CN203548256U - Ventilation device and centrifugal cross-flow fan - Google Patents
Ventilation device and centrifugal cross-flow fan Download PDFInfo
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- CN203548256U CN203548256U CN201320555406.7U CN201320555406U CN203548256U CN 203548256 U CN203548256 U CN 203548256U CN 201320555406 U CN201320555406 U CN 201320555406U CN 203548256 U CN203548256 U CN 203548256U
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Abstract
The utility model provides a centrifugal cross-flow fan. The centrifugal cross-flow fan comprises a centrifugal cross-flow wind wheel and a motor which is used for driving the centrifugal cross-flow wind wheel to rotate, wherein the centrifugal cross-flow wind wheel comprises a cross-flow part and a centrifugal part which are connected with the same motor driving axis; the cross-flow part and the centrifugal part are driven by the same motor; the centrifugal cross-flow fan also comprises a centrifugal volute and a cross-flow volute; the centrifugal volute is mounted on the centrifugal part and used for guiding airflow outwards to the front of an upper part of the centrifugal cross-flow fan; and the cross-flow volute is mounted on the cross-flow part and used for guiding the airflow outwards to the front of a lower part of the centrifugal cross-flow fan; the centrifugal cross-flow fan is driven by one motor to realize cross-flow air supply and centrifugal air supply at the same time; an air supply distance is further than that of a normal cross-flow wind wheel; and the centrifugal cross-flow fan has the characteristic of low noise of a cross-flow wind wheel. The centrifugal cross-flow fan is driven by only one motor, so that total efficiency of the centrifugal cross-flow fan is higher than that of the normal cross-flow wind wheel; and the centrifugal cross-flow fan is compact in structure, convenient to use, far in air supply distance, good in air supply comfort and multi-dimensional in air supply.
Description
Technical field
The utility model belongs to ventilation field, relates in particular to a kind of ventilation device and centrifugal cross flow blower thereof.
background technique
Conventional wind wheel, is generally several forms such as centrifugal, tubular or axial flow, and the wind wheel of these several forms all only has single air supply mode.
Wherein, the air-flow of centrifugal type wind wheel enters from wind wheel center, after blade path acting, under the effect of centrifugal force, by centrifugal direction, sent, there is pressure large, the feature that flow is little, generally be applied in the occasion that pressure is higher or air supplying distance is far away, such as: central hollow is heightened static pressure flue pipe, air cleaner etc.
The air-flow of axial flow wind wheel enters blade path vertically, after blade acting, then flows out along axis, has air quantity large, and the feature that pressure is low is generally applied in the occasion of short distance air-supply, Wind Volume.Such as: air conditioner outdoor machine, various domestic electric fans etc.
Tubular wind wheel is generally squirrel-cage galleyproof type, air-flow enters impeller along the direction vertical with impeller axis, at blade path after twice acting, flow out, there is air-flow steady, the features such as pressure is low, noise is little, due to the air current flow mode of tubular wine wheel uniqueness, its stream pressure is low, send not farly, efficiency is also lower than axial flow and centrifugal wind wheel.Be generally used for wall-hanging indoor unit of air conditioner.
Investigation is found, a lot of families are when being used wall-hanging air conditioner, in order to improve, conventional indoor suspension air conditioner air supplying distance is not far, airflow homogeneity and the poor problem of travelling comfort, often adopt and opened after air-conditioning, open again the electric fan of family simultaneously, to improve the travelling comfort of air-conditioning, the more uniform temperature of seeking to allow room.But, this kind of method need prepare an electric fan and improve air-supply cost, increased use inconvenience, make air conditioner lose its consequence as the electrical equipment of cooling and heating.
model utility content
The utility model embodiment's object is to provide a kind of centrifugal cross flow blower, be intended to solve passing through of existing in prior art with the wall-hanging air conditioner of cross flow blower and electric fan the two in conjunction with realizing the high and awkward problem of air-supply cost that air-supply travelling comfort brings.
The utility model embodiment realizes like this, a kind of centrifugal cross flow blower, the motor that it comprises centrifugal tubular wind wheel and drives described centrifugal tubular wind wheel to rotate, described centrifugal tubular wind wheel comprises the through-flow portion and the centrifugal portion that are connected on same motor driving shaft line, described through-flow portion and described centrifugal portion are driven by same described motor, described centrifugal cross flow blower also comprise be installed on described centrifugal portion sentence by air-flow export to described centrifugal tubular wind wheel front, top anticentripetal spiral casing and be installed on described through-flow portion air-flow is exported to the through-flow spiral case in front, bottom of described centrifugal tubular wind wheel.
Further, described centrifugal portion is one and single admission, described through-flow portion is one, described centrifugal portion has the first end face of being connected with described through-flow portion and relative the second end face with described the first end face, the outer part of described the first end face exceeds the periphery of described through-flow portion, and the intake grill of described centrifugal portion is positioned at the middle part of described the second end face or is positioned at the described outer part of described the first end face.
Further, described centrifugal portion is one and two-way air intake, described through-flow portion is one, described centrifugal portion has the first end face of being connected with described through-flow portion and relative the second end face with described the first end face, the outer part of described the first end face exceeds the periphery of described through-flow portion, and two intake grills of described centrifugal portion lay respectively at the middle part of described the second end face and are positioned at the described outer part of described the first end face.
Further, described through-flow portion is one; Described centrifugal portion is two and equal unidirectional air intakes, and is arranged at respectively the opposite end of described through-flow portion; Described in each, centrifugal portion has the end face being connected with described through-flow portion, and the outer part of described end face exceeds the periphery of described through-flow portion, and described in each, the intake grill of centrifugal portion is positioned at the described outer part of described end face.
Further, described through-flow portion is two; Described centrifugal portion is one and unidirectional air intake, described centrifugal portion is arranged at the centre of described two through-flow portions, the first end face that described centrifugal portion has with wherein described in one, through-flow portion is connected and the second end face being connected with through-flow portion described in other, the outer part of described the first end face exceeds the periphery of corresponding described through-flow portion, the outer part of described the second end face exceeds the periphery of corresponding described through-flow portion, and the intake grill of described centrifugal portion is positioned at the outer part of described the first end face or the outer part of described the second end face.
Further, described through-flow portion is two; Described centrifugal portion is one and two-way air intake, described centrifugal portion is arranged at the centre of described two through-flow portions, the first end face that described centrifugal portion has with wherein described in one, through-flow portion is connected and the second end face being connected with through-flow portion described in other, the outer part of described the first end face exceeds the periphery of corresponding described through-flow portion, the outer part of described the second end face exceeds the periphery of corresponding described through-flow portion, and two intake grills of described centrifugal portion lay respectively at the outer part of described the first end face and the outer part of described the second end face.
Further, the axle sleeve that described centrifugal cross flow blower comprises axle and is fixedly connected with the output shaft of described motor, described axle and described axle sleeve are arranged at respectively the Huo Youzuo two ends, two ends, left and right of described centrifugal tubular wind wheel.
Further, described through-flow portion comprises first group of through-flow blade, some second group of through-flow blades, the 3rd group of through-flow blade, end cap and be arranged side by side the some middle joint demarcation strip in described end cap one side, described first group of through-flow blade be arranged at described end cap and wherein described in one in joint demarcation strip between, described some second group of through-flow blades be arranged at described in each between joint demarcation strip, described the 3rd group of through-flow blade is arranged between corresponding described middle joint demarcation strip and described centrifugal portion, described centrifugal portion comprises chassis and is distributed in some centrifugal blades of the circumferential part on described chassis.
Further, one end integral molded plastic of described first group of through-flow blade takes shape on described end cap, the other end ultrasonic welding takes shape on described middle joint demarcation strip, or, one end integral molded plastic of described first group of through-flow blade takes shape on described middle joint demarcation strip, and the other end ultrasonic welding takes shape on described end cap.
Another object of the utility model embodiment is to provide a kind of ventilation device, and it comprises housing and is arranged at the above-mentioned centrifugal cross flow blower in order to air-supply in described housing.
Centrifugal cross flow blower of the present utility model is driven and is realized tubular air-supply and centrifugal air-supply simultaneously by a motor, and air supplying distance is far away than conventional tubular wine wheel, also has the low noise characteristic of tubular wine wheel.Due to only, with a motor driving, total efficiency is higher than conventional tubular wine wheel, has compact structure, feature easy to use.By centrifugal cross flow blower of the present utility model for room air conditioner, can significantly improve air conditioner travelling comfort, improve cooling or heating effect.Have air supplying distance far away, the advantage that room cooling and heating speed is fast, travelling comfort is good, can also realize various dimensions air-supply neatly.
Accompanying drawing explanation
Fig. 1 is the stereogram of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the first embodiment.
Fig. 2 is the cross-sectional schematic of the centrifugal tubular wind wheel of Fig. 1.
Fig. 3 is the cross-sectional schematic of the centrifugal tubular wind wheel A-A along the line of Fig. 2.
Fig. 4 is the cross-sectional schematic of the centrifugal tubular wind wheel B-B along the line of Fig. 2.
Fig. 5 is the cross-sectional schematic of the centrifugal cross flow blower of Fig. 2, wherein shows anticentripetal spiral casing.
Fig. 6 is the cross-sectional schematic of the centrifugal cross flow blower C-C along the line of Fig. 5.
Fig. 7 is the cross-sectional schematic of the centrifugal cross flow blower D-D along the line of Fig. 5.
Fig. 8 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the second embodiment.
Fig. 9 is the cross-sectional schematic of the centrifugal tubular wind wheel E-E along the line of Fig. 8.
Figure 10 is the cross-sectional schematic of the centrifugal tubular wind wheel F-F along the line of Fig. 8.
Figure 11 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 3rd embodiment.
Figure 12 is the cross-sectional schematic of the centrifugal tubular wind wheel G-G along the line of Figure 11.
Figure 13 is the cross-sectional schematic of the centrifugal tubular wind wheel H-H along the line of Figure 11.
Figure 14 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 4th embodiment.
Figure 15 is the cross-sectional schematic of the centrifugal tubular wind wheel I-I along the line of Figure 14.
Figure 16 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 5th embodiment.
Figure 17 is the cross-sectional schematic of the centrifugal tubular wind wheel J-J along the line of Figure 16.
Figure 18 is the cross-sectional schematic of the centrifugal tubular wind wheel K-K along the line of Figure 16.
Figure 19 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 6th embodiment.
Figure 20 is the cross-sectional schematic of the centrifugal tubular wind wheel L-L along the line of Figure 19.
Figure 21 is the cross-sectional schematic of the centrifugal tubular wind wheel M-M along the line of Figure 19.
Figure 22 is the cross-sectional schematic of the centrifugal tubular wind wheel N-N along the line of Figure 19.
Figure 23 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 7th embodiment.
Figure 24 is the cross-sectional schematic of the centrifugal tubular wind wheel O-O along the line of Figure 23.
Figure 25 is the cross-sectional schematic of the centrifugal tubular wind wheel P-P along the line of Figure 23.
Figure 26 is the cross-sectional schematic of the centrifugal tubular wind wheel Q-Q along the line of Figure 23.
Figure 27 is the cross-sectional schematic of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 8th embodiment.
Figure 28 is the cross-sectional schematic of the centrifugal tubular wind wheel R-R along the line of Figure 27.
Figure 29 is the cross-sectional schematic of the centrifugal tubular wind wheel S-S along the line of Figure 27.
Figure 30 is the cross-sectional schematic of the centrifugal tubular wind wheel T-T along the line of Figure 27.
Figure 31 is the stereogram of the centrifugal tubular wind wheel of the centrifugal cross flow blower that provides of the utility model the 9th embodiment.
Figure 32 is the stereogram of another angle of the centrifugal tubular wind wheel of Figure 31.
Figure 33 be Figure 31 centrifugal tubular wind wheel cross-sectional schematic.
Figure 34 is the cross-sectional schematic of the centrifugal tubular wind wheel U-U along the line of Figure 33.
Figure 35 is the cross-sectional schematic of the centrifugal tubular wind wheel V-V along the line of Figure 33.
Figure 36 is the cross-sectional schematic of the centrifugal tubular wind wheel W-W along the line of Figure 33.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 to Fig. 4, the motor (not shown) that the centrifugal cross flow blower that the utility model the first embodiment provides comprises centrifugal tubular wind wheel 10 and drives described centrifugal tubular wind wheel 10 to rotate, described centrifugal tubular wind wheel 10 comprises the through-flow portion 12 and the centrifugal portion 13 that are connected on same motor driving shaft line 11.Described through-flow portion 12 and described centrifugal portion 13 are driven by same described motor.
Please refer to figure
2 to Fig. 7, described centrifugal cross flow blower also comprise be installed on described centrifugal portion 13 sentence by air-flow export to described centrifugal tubular wind wheel 10 front, top anticentripetal spiral casing 14 and be installed on described through-flow portion 12 air-flow is exported to the through-flow spiral case 15 in front, bottom of described centrifugal tubular wind wheel 10.
Above-mentioned centrifugal tubular wind wheel 10 has identical running shaft 11 and drives by same motor, there are two kinds of diverse air current flow patterns, wherein the air-flow of centrifugal portion 13 be centrifugal flow, the air-flow of through-flow portion 12 is to run through mobile, be also referred to as through-flow flow, crossing current flow etc.The airflow characteristic of centrifugal portion 13 and through-flow portion 12 is not identical, and pressure, the air quantity of its generation are not identical yet.The pressure that the air-flow of centrifugal portion 13 produces is large, and air quantity is little, and air supplying distance is far away, plays rough air, while using in air conditioner, mainly with centrifugal portion 13, improves the travelling comfort that air-conditioning is used, and reduces the vertical temperature-difference of room temperature field.The air-flow of through-flow portion 12 is steady, and pressure is low, and noise is low, and its air quantity is proportional with the length of through-flow portion 12 impellers, while using in air conditioner, mainly with through-flow portion 12, realizes the most cooling or heating effect of air-conditioning.That is, according to centrifugal portion 13 and through-flow portion 12 separately different air current flow pattern realize different functions.Centrifugal portion 13 is driven by same motor with through-flow portion 12, reduce air-supply cost, and compact structure is reasonable, use more convenient, because anticentripetal spiral casing 14 exports to air-flow the front, top of described centrifugal tubular wind wheel 10 and through-flow spiral case 15 air-flow is exported to the front, bottom of described centrifugal tubular wind wheel 10, and in conjunction with centrifugal portion 13 and through-flow portion 12 air-supply feature separately, make air-supply more make people feel comfortably cool.
In the first embodiment, described centrifugal portion 13 is one and single admission, and described through-flow portion 12 is one.Centrifugal portion 13 is arranged at one end of through-flow portion 12, and described centrifugal portion 13 has the first end face 16 of being connected with described through-flow portion 12 and relative the second end face 17 with described the first end face 16.The intake grill 18 of described centrifugal portion 13 is positioned at the middle part of described the second end face 17, and the intake grill 18 of centrifugal portion 13 is arranged at the outermost of whole centrifugal tubular wind wheel 10.
The axle sleeve 20 that described centrifugal cross flow blower comprises axle 19 and is fixedly connected with the output shaft 19 of described motor.Described axle 19 and described axle sleeve 20 are arranged at respectively the two ends, left and right of described centrifugal tubular wind wheel 10, that is, described axle 19 is arranged at the left end of described centrifugal tubular wind wheel 10, and described axle sleeve 20 is arranged at the right-hand member of described centrifugal tubular wind wheel 10.The outermost end connecting bushing 20 of through-flow portion 12.Axle 19 is generally metal processing, is mainly used in supporting above-mentioned centrifugal tubular wind wheel 10, and axle 19 outer is with cross knurled, for strengthening injection moulding join strength.
Described through-flow portion 12 comprises first group of through-flow blade 21, some second group of through-flow blades 22, the 3rd group of through-flow blade 23, end cap 24 and be arranged side by side the some middle joint demarcation strip 25 in described end cap 24 1 sides, described first group of through-flow blade 21 be arranged at described end cap 24 and wherein described in one in joint demarcation strip 25 between, described some second group of through-flow blades 22 be arranged at described in each between joint demarcation strip 25, described the 3rd group of through-flow blade 23 is arranged between corresponding described middle joint demarcation strip 25 and described centrifugal portion 13, described centrifugal portion 13 comprises chassis 26 and is distributed in some centrifugal blades 27 of the circumferential part on described chassis 26.
Described centrifugal portion 13 also comprises reinforcing frame 28, and reinforcing frame 28 is positioned at the excircle end face of centrifugal blade 27, for fixing and strengthen the hoop strength of centrifugal blade 27.Reinforcing frame 28, centrifugal blade 27, centrifugal portion 13 such as common composition such as chassis 26 grades.
Each through-flow blade 21 in described first group of through-flow blade 21 at regular intervals along circumference be distributed in annularly described end cap 24 and wherein described in one in joint demarcation strip 25 between, each through-flow blade 23 in described the 3rd group of through-flow blade 23 is distributed between corresponding described middle joint demarcation strip 25 and described centrifugal portion 13 annularly along circumference at regular intervals, and each through-flow blade 22 in second group of through-flow blade 22 is distributed on middle joint demarcation strip 25 annularly along circumference at regular intervals.Middle joint demarcation strip 25 is solid discoid.Middle joint demarcation strip 25 plays the effect of strengthening wind wheel 10 axial rigidities and fixing through-flow blade.One end of saving between demarcation strip 25 each through-flow blade 22 in the second group of through-flow blade 22 forming in each is integral molded plastic moulding with corresponding middle joint demarcation strip 25, and the other end is formed in axial another and is saved on a side end face of demarcation strip 25 by ultrasonic welding.
One end integral molded plastic of described first group of through-flow blade 21 takes shape on described end cap 24, the other end ultrasonic welding takes shape on described middle joint demarcation strip 25, or, one end integral molded plastic of described first group of through-flow blade 21 takes shape on described middle joint demarcation strip 25, and the other end ultrasonic welding takes shape on described end cap 24.
Be close to the through-flow blade (i.e. the 3rd group of through-flow blade 23) of centrifugal portion 13, if the chassis of its one end and centrifugal portion 13 26 integral molded plastics are shaped, its other end is axially being welded and fixed by the mode of the ultrasonic welding middle joint demarcation strip 25 axial with it; If being close to through-flow blade and the middle joint demarcation strip 25 of centrifugal portion 13 is integral molded plastic moulding, the chassis 26 of its other end and centrifugal portion 13 is axially being welded and fixed by ultrasound.
Near a side of the through-flow blade (being described first group of through-flow blade 21) of axle sleeve 20 sides can with end cap 24, axle sleeve 20 integral molded plastic moulding, near the through-flow blade of axle sleeve 20 sides, are sides that are distributed in annularly at regular intervals end cap 24 along circumference, with end cap 24 global formations, the opposite side of the through-flow blade of close axle sleeve 20 sides adopts the mode of ultrasonic welding to be axially fixed in one end of the middle joint demarcation strip 25 being adjacent; Or, through-flow blade near axle sleeve 20 sides is a side that is distributed in annularly at regular intervals end cap 24 along circumference, integral by ultrasonic welding with end cap 24, the opposite side of the through-flow blade of close axle sleeve 20 sides adopts integral molded plastic moulding to be axially fixed in one end of the middle joint demarcation strip 25 being adjacent; Or, through-flow blade near axle sleeve 20 sides is a side that is distributed in annularly at regular intervals middle joint demarcation strip 25 along circumference, opposite side adopts the mode of ultrasonic welding to be axially fixed in the end face that saves demarcation strip 25 1 sides in another being adjacent, then, with the end cap 24 of axle sleeve 20, adopt the mode entirety of ultrasonic welding to be axially fixed on the middle joint demarcation strip 25 with the moulding of through-flow blade integral.
In a word, the structure of above-mentioned centrifugal tubular wind wheel 10 forms mainly that the combination of the mode by molding and forming and ultrasonic welding completes.
Please again consult Fig. 6 and Fig. 7, centrifugal portion 13 has diverse air current flow mode with through-flow portion 12, the air-flow of centrifugal portion 13 is along entering wind wheel center with the axial identical direction of running shaft 11, under the effect of centrifugal force, air-flow is radially through each centrifugal blade 27, after centrifugal blade 27 actings, from anticentripetal spiral casing 14 air outlets 29, flow out, then flow out after anticentripetal spiral casing 14 is collected air-flow.And the air-flow of through-flow portion 12 is perpendicular to running shaft 11, flow through wind wheel, air-flow passes in and out the blade path of through-flow blade 8 for twice, and air-flow traverses behind the impeller center of whole through-flow portion 12, at opposite side, flows out.Through through-flow ducting system 30, collect after air-flow, from air outlet, through-flow air channel 31, outwards flow out.That is to say that same wind wheel has identical running shaft 11 and same drive motor, share identical axle 19, axle sleeve 20, have two kinds of diverse air current flow patterns, the air-flow of centrifugal portion 13 is centrifugal flowing, and the air-flow of through-flow portion 12 is to run through mobile.The airflow characteristic of centrifugal portion 13 and through-flow portion 12 is not identical, and pressure, the air quantity of its generation are not identical yet.The pressure that the air-flow of centrifugal portion 13 produces is large, and air quantity is little, and air supplying distance is far away, while using in air conditioner, mainly with centrifugal portion 13, improves the travelling comfort that air-conditioning is used, and reduces the vertical temperature-difference of room temperature field.The air-flow of through-flow portion 12 is steady, and pressure is low, and noise is low, and its air quantity is proportional with the length of through-flow portion 12 impellers, while using in air conditioner, mainly with through-flow portion 12, realizes the most cooling or heating effect of air-conditioning.That is, according to centrifugal portion 13 and through-flow portion 12 separately different air current flow pattern realize different functions.
Please refer to Fig. 8 to Figure 10, the centrifugal cross flow blower that the centrifugal cross flow blower that the utility model the second embodiment provides and the first embodiment provide is roughly the same, its difference is: the outer part 32 of described the first end face 16 exceeds the periphery of described through-flow portion 12, and the intake grill 18 of described centrifugal portion 13 is positioned at the described outer part 32 of described the first end face 16; Joint between centrifugal portion 13 and through-flow portion 12 is provided with securing cover plate 33 and supporting rib 34; The chassis 26 of centrifugal portion 13 is to be positioned at exterior edge face, and reinforcing frame 28 is positioned at inner side end, and securing cover plate 33 is connected on reinforcing frame 28 by supporting rib 34, and the end of the through-flow blade 23 of close centrifugal portion 13 is connected on securing cover plate 33.
Particularly, axle 19 is at the left end of centrifugal tubular wind wheel 10a, and axle sleeve 20 is at the right-hand member of centrifugal tubular wind wheel 10a.Centrifugal portion 13 is positioned at axle 19 place ends, and through-flow portion 12 is positioned at axle sleeve 20 place ends, and the intake grill 18 of centrifugal portion 13 is towards through-flow portion 12, and through-flow portion 12 is communicated with the intake grill 18 of centrifugal portion 13.The chassis 26 of centrifugal portion 13 is to be positioned at exterior edge face.Axle 19 is connected on chassis 26 by injection molding.Centrifugal blade 27 is by certain interval circumferentially in the inner side on chassis 26, and reinforcing frame 28 is positioned at the excircle end face of centrifugal blade 27, for fixing and strengthen the hoop strength of centrifugal blade 27.
Together with the mode integral solder that securing cover plate 33, supporting rib 34 adopt ultrasonic welding with the reinforcing frame 28 of centrifugal portion 13.Securing cover plate 33, supporting rib 34 with near the through-flow blade 23 of centrifugal portion 13, be integral molded plastic out, that is to say a side of securing cover plate 33 in the middle of through-flow blade is distributed in annularly along circumference.The periphery of middle securing cover plate 33 is supporting rib 34, is to adopt the moulding of macromolecular material integral molded plastic, forms one in joint, and then adopt the mode of ultrasonic welding, the reinforcing frame 28 of supporting rib 34 and centrifugal portion 13 is welded together.For guaranteeing the intensity of ultrasonic welding, also can there is one to weld the annulus of use with reinforcing frame 28 in the periphery of supporting rib 34, the welding diameter of annulus is suitable with the diameter of reinforcing frame 28.In general, while adopting the embodiment of centrifugal portion 13 middle part air inlets, generally take the diameter of the through-flow blade of through-flow portion 12 to be less than the diameter of the centrifugal blade 27 of centrifugal portion 13, simultaneously, the excircle diameter of securing cover plate 33 is less than the inner diameter of centrifugal blade 27, with the centrifugal blade 27 that guarantees centrifugal portion 13, has sufficient air intake space.
Figure 11 to Figure 13 simultaneously, the centrifugal cross flow blower that the centrifugal cross flow blower that the utility model the 3rd embodiment provides and the first embodiment provide is roughly the same, its difference is: described axle 19 and described axle sleeve 20 are arranged at respectively the right left two ends of described centrifugal tubular wind wheel 10b, be that axle 19 is positioned at right-hand member, and axle sleeve 20 is positioned at left end, that is to say, the 3rd embodiment and the first embodiment are not both the location swap of axle 19 and axle sleeve 20.
Please refer to Figure 14 and Figure 15, the centrifugal cross flow blower that the centrifugal cross flow blower that the utility model the 4th embodiment provides and the second embodiment provide is roughly the same, its difference is: described axle 19 and described axle sleeve 20 are arranged at respectively the right left two ends of described centrifugal tubular wind wheel 10c, be that axle 19 is positioned at right-hand member, and axle sleeve 20 is positioned at left end, that is to say, the 4th embodiment and the second embodiment are not both the location swap of axle 19 and axle sleeve 20.
Please refer to Figure 16 to Figure 18, the centrifugal cross flow blower that the centrifugal cross flow blower that the utility model the 5th embodiment provides and the second embodiment provide is roughly the same, its difference is: described centrifugal portion 13 is two and equal unidirectional air intakes, and is arranged at respectively the opposite end of described through-flow portion 12; Described in each, centrifugal portion 13 has the end face being connected with described through-flow portion 12, and the outer part 32 of described end face exceeds the periphery of described through-flow portion 12, and described in each, the intake grill 18 of centrifugal portion 13 is positioned at the described outer part 32 of described end face; Two centrifugal portions 13 are symmetrical set with respect to the transverse center of through-flow portion 12, and axle 19 is connected with the chassis 26 of a centrifugal portion 13 wherein, and axle sleeve 20 is connected with the chassis 26 of an other centrifugal portion 13.
In the present embodiment, axle 19 is at the left end of centrifugal tubular wind wheel 10d, and axle sleeve 20 is at the right-hand member of centrifugal tubular wind wheel 10d, and understandably, axle 19 and axle sleeve 20 can transpositions, can realize equally identical function.
Please refer to Figure 19 to Figure 22, the centrifugal cross flow blower that the centrifugal cross flow blower that the utility model the 6th embodiment provides and the 4th embodiment provide is roughly the same, and its difference is: described through-flow portion 12 is two, described centrifugal portion 13 is one and unidirectional air intake, described centrifugal portion 13 is arranged at the centre of described two through-flow portions 12, the first end face 16 that described centrifugal portion 13 has with wherein described in one, through-flow portion 12 is connected and the second end face 17 being connected with through-flow portion 12 described in other, the outer part 32 of described the first end face 16 exceeds the periphery of corresponding described through-flow portion 12, the outer part 32 of described the second end face 17 exceeds the periphery of corresponding described through-flow portion 12, the intake grill 18 of described centrifugal portion 13 is positioned at the outer part 32 of described the first end face 16, understandably, the intake grill 18 of described centrifugal portion 13 can be positioned at the outer part 32 of described the second end face 17.
The 6th embodiment's centrifugal cross flow blower is to develop on the basis of the centrifugal cross flow blower in the 4th embodiment, particularly, on the chassis 26 of the 4th embodiment's centrifugal portion 13, axle sleeve 20 is not set, and connect another one through-flow portion 12 in the outside on chassis 26, now axle sleeve 20 is connected on the end cap 24 of this other through-flow portion 12.Two through-flow portions 12 are symmetrical arranged with respect to the centrifugal portion 13 of centre.
In the 6th embodiment, axle 19 is positioned on the end cap 24 of through-flow portion 12 on the right, and axle sleeve 20 is positioned on the end cap 24 of through-flow portion 12 on the left side, and understandably, axle 19 can exchange with the position of axle sleeve 20.
Please refer to Figure 23 to Figure 26, the centrifugal cross flow blower that the centrifugal cross flow blower that the utility model the 7th embodiment provides and the 6th embodiment provide is roughly the same, and its difference is: described through-flow portion 12 is two, described centrifugal portion 13 is one and two-way air intake, described centrifugal portion 13 is arranged at the centre of described two through-flow portions 12, the first end face 16 that described centrifugal portion 13 has with wherein described in one, through-flow portion 12 is connected and the second end face 17 being connected with through-flow portion 12 described in other, the outer part 32 of described the first end face 16 exceeds the periphery of corresponding described through-flow portion 12, the outer part 32 of described the second end face 17 exceeds the periphery of corresponding described through-flow portion 12, two intake grills 18 of described centrifugal portion 13 lay respectively at the outer part 32 of described the first end face 16 and the outer part 32 of described the second end face 17.
Please refer to Figure 27 to Figure 30, the centrifugal tubular wind wheel 10 of the centrifugal tubular wind wheel 10e of the centrifugal cross flow blower that the utility model the 8th embodiment provides and the first embodiment's centrifugal cross flow blower is roughly the same, its difference is: described centrifugal portion 13 is one and two-way air intake, described through-flow portion 12 is one, described centrifugal portion 13 has the first end face 16 of being connected with described through-flow portion 12 and relative the second end face 17 with described the first end face 16, the outer part 32 of described the first end face 16 exceeds the periphery of described through-flow portion 12, two intake grills 18 of described centrifugal portion 13 lay respectively at the middle part of described the second end face 17 and are positioned at the described outer part 32 of described the first end face 16.
Particularly, centrifugal portion 13 is positioned at axle 19 place ends, and through-flow portion 12 is positioned at axle sleeve 20 place ends, and centrifugal portion 13 is both sides air inlet.The centrifugal tubular wind wheel 10e of the eighth embodiment of the present invention is the backward centrifugal impeller with wheel cap 35, even the object of the present embodiment is the centrifugal portion 13 that explanation is positioned at axle 19 ends, also can adopt two-way air intake structure, it is leaf that the blade shape of centrifugal blade 27 is not only also circular arc, also can be wing blade, straight line type, can be both forward-type, also can be backward type, radial etc.The both sides of centrifugal portion 13 can air intake, and an intake grill 18 is positioned at the middle part of exterior edge face, free air intake; An intake grill 18 is positioned at one end of through-flow portion 12.Through-flow portion 12 is connected with the intaking air at middle part mouth 18 of centrifugal portion 13, and through-flow portion 12 is by middle securing cover plate 33, together with the mode integral solder that supporting rib 34 adopts ultrasonic welding with the wheel cap 35 of centrifugal portion 13.; securing cover plate 33, supporting rib 34 with near the through-flow blade of centrifugal portion 13, be integral molded plastic out; that is to say; a side of securing cover plate 33 in the middle of through-flow blade is distributed in annularly along circumference; the periphery of middle securing cover plate 33 is supporting rib 34, is to adopt the moulding of macromolecular material integral molded plastic, saves in forming one; and then the mode of employing ultrasonic welding, supporting rib 34 and the wheel cap 35 of centrifugal portion 13 are welded together.For guaranteeing the intensity of ultrasonic welding, also can there is one to weld the annulus of use with wheel cap 35 in the periphery of supporting rib 34, welding annulus is integrally welded on the outer wall of wheel cap 35, can promote the soundness of welding.
In the 8th embodiment, axle 19 is positioned at the left end of wind wheel, and axle sleeve 20 is positioned at the right-hand member of wind wheel, and understandably, axle 19 can exchange with the position of axle sleeve 20.
Please refer to Figure 31 to Figure 36, the centrifugal tubular wind wheel 10e of the centrifugal tubular wind wheel 10f of the centrifugal cross flow blower that the utility model the 9th embodiment provides and the 8th embodiment's centrifugal cross flow blower is roughly the same, its difference is: the free end of the centrifugal blade 27 that the relative both sides on chassis 26 connect is achieved a fixed connection by reinforcing frame 28, rather than the wheel cap 35 in the 8th embodiment.
Particularly, centrifugal portion 13 is positioned at axle 19 place ends, and through-flow portion 12 is positioned at axle sleeve 20 place ends, and centrifugal portion 13 is both sides air inlet, and the blade profile of centrifugal blade 27 is leafy curved blade.The both sides of centrifugal portion 13 can air intake, and an intake grill 18 is positioned at the middle part of exterior edge face, free air intake; An intake grill 18 is positioned at one end of through-flow portion 12.Through-flow portion 12 is connected with the intaking air at middle part mouth 18 of centrifugal portion 13, and through-flow portion 12 is by middle securing cover plate 33, together with the mode integral solder that supporting rib 34 adopts ultrasonic welding with the reinforcing frame 28 of centrifugal portion 13.That is: securing cover plate 33, supporting rib 34 with near the through-flow blade of centrifugal portion 13, be integral molded plastic out, that is to say, a side of securing cover plate 33 in the middle of through-flow blade is distributed in annularly along circumference, the periphery of middle securing cover plate 33 is supporting rib 34, for adopting the moulding of macromolecular material integral molded plastic, joint in forming one, and then the mode of employing ultrasonic welding, weld together supporting rib 34 and the reinforcing frame 28 of centrifugal portion 13.For guaranteeing the intensity of ultrasonic welding, also can there is one to weld the annulus of use with reinforcing frame 28 in the periphery of supporting rib 34, welding annulus is integrally connected on the outside end face of reinforcing frame 28 with ultrasonic welding again, thereby has promoted the soundness of welding.
In above-mentioned each embodiment, the output shaft of motor is by offer mounting hole on axle sleeve 20 with being connected of axle sleeve 20, then by fastening screw trip bolt (fastening screw trip bolt 36 as shown in Fig. 1, Figure 31, Figure 32) through this mounting hole and then lock and realize in the output shaft of motor.
In above-mentioned each embodiment, in the position at centrifugal portion 13 places, be provided with anticentripetal spiral casing 14, the air-flow being entered by centrifugal portion 13 intake grills 18 is exported to the front, top of centrifugal tubular wind wheel; Position at through-flow portion 12 places is provided with through-flow spiral case 15, air-flow is exported to the front, bottom of described centrifugal tubular wind wheel.
Above-mentioned each embodiment's centrifugal cross flow blower has advantages of tubular air-supply and centrifugal air-supply simultaneously, and air supplying distance is far away than conventional tubular wine wheel, also has the low noise characteristic of tubular wine wheel.Adopt motor to drive, total efficiency is higher than conventional tubular wine wheel, has compact structure, feature easy to use.By each embodiment's of the present invention centrifugal cross flow blower for room air conditioner, can significantly improve air conditioner travelling comfort, improve cooling or heating effect.Have air supplying distance far away, the advantage that room cooling and heating speed is fast, travelling comfort is good, can also realize various dimensions air-supply neatly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a centrifugal cross flow blower, it is characterized in that: the motor that described centrifugal cross flow blower comprises centrifugal tubular wind wheel and drives described centrifugal tubular wind wheel to rotate, described centrifugal tubular wind wheel comprises the through-flow portion and the centrifugal portion that are connected on same motor driving shaft line, described through-flow portion and described centrifugal portion are driven by same described motor, described centrifugal cross flow blower also comprise be installed on described centrifugal portion sentence by air-flow export to described centrifugal tubular wind wheel front, top anticentripetal spiral casing and be installed on described through-flow portion air-flow is exported to the through-flow spiral case in front, bottom of described centrifugal tubular wind wheel.
2. centrifugal cross flow blower as claimed in claim 1, it is characterized in that: described centrifugal portion is one and single admission, described through-flow portion is one, described centrifugal portion has the first end face of being connected with described through-flow portion and relative the second end face with described the first end face, the outer part of described the first end face exceeds the periphery of described through-flow portion, and the intake grill of described centrifugal portion is positioned at the middle part of described the second end face or is positioned at the described outer part of described the first end face.
3. centrifugal cross flow blower as claimed in claim 1, it is characterized in that: described centrifugal portion is one and two-way air intake, described through-flow portion is one, described centrifugal portion has the first end face of being connected with described through-flow portion and relative the second end face with described the first end face, the outer part of described the first end face exceeds the periphery of described through-flow portion, and two intake grills of described centrifugal portion lay respectively at the middle part of described the second end face and are positioned at the described outer part of described the first end face.
4. centrifugal cross flow blower as claimed in claim 1, is characterized in that: described through-flow portion is one; Described centrifugal portion is two and equal unidirectional air intakes, and is arranged at respectively the opposite end of described through-flow portion; Described in each, centrifugal portion has the end face being connected with described through-flow portion, and the outer part of described end face exceeds the periphery of described through-flow portion, and described in each, the intake grill of centrifugal portion is positioned at the described outer part of described end face.
5. centrifugal cross flow blower as claimed in claim 1, is characterized in that: described through-flow portion is two; Described centrifugal portion is one and unidirectional air intake, described centrifugal portion is arranged at the centre of described two through-flow portions, the first end face that described centrifugal portion has with wherein described in one, through-flow portion is connected and the second end face being connected with through-flow portion described in other, the outer part of described the first end face exceeds the periphery of corresponding described through-flow portion, the outer part of described the second end face exceeds the periphery of corresponding described through-flow portion, and the intake grill of described centrifugal portion is positioned at the outer part of described the first end face or the outer part of described the second end face.
6. centrifugal cross flow blower as claimed in claim 1, is characterized in that: described through-flow portion is two; Described centrifugal portion is one and two-way air intake, described centrifugal portion is arranged at the centre of described two through-flow portions, the first end face that described centrifugal portion has with wherein described in one, through-flow portion is connected and the second end face being connected with through-flow portion described in other, the outer part of described the first end face exceeds the periphery of corresponding described through-flow portion, the outer part of described the second end face exceeds the periphery of corresponding described through-flow portion, and two intake grills of described centrifugal portion lay respectively at the outer part of described the first end face and the outer part of described the second end face.
7. the centrifugal cross flow blower as described in claim 2-6 any one, it is characterized in that: the axle sleeve that described centrifugal cross flow blower comprises axle and is fixedly connected with the output shaft of described motor, described axle and described axle sleeve are arranged at respectively the Huo Youzuo two ends, two ends, left and right of described centrifugal tubular wind wheel.
8. the centrifugal cross flow blower as described in claim 1-6 any one, it is characterized in that: described through-flow portion comprises first group of through-flow blade, some second group of through-flow blades, the 3rd group of through-flow blade, end cap and be arranged side by side the some middle joint demarcation strip in described end cap one side, described first group of through-flow blade be arranged at described end cap and wherein described in one in joint demarcation strip between, described some second group of through-flow blades be arranged at described in each between joint demarcation strip, described the 3rd group of through-flow blade is arranged between corresponding described middle joint demarcation strip and described centrifugal portion, described centrifugal portion comprises chassis and is distributed in some centrifugal blades of the circumferential part on described chassis.
9. centrifugal cross flow blower as claimed in claim 8, it is characterized in that: one end integral molded plastic of described first group of through-flow blade takes shape on described end cap, the other end ultrasonic welding takes shape on described middle joint demarcation strip, or, one end integral molded plastic of described first group of through-flow blade takes shape on described middle joint demarcation strip, and the other end ultrasonic welding takes shape on described end cap.
10. a ventilation device, it comprises housing, it is characterized in that: described ventilation device also comprises and is arranged at the centrifugal cross flow blower as described in claim 1-9 any one in order to air-supply in described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555406.7U CN203548256U (en) | 2013-09-06 | 2013-09-06 | Ventilation device and centrifugal cross-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555406.7U CN203548256U (en) | 2013-09-06 | 2013-09-06 | Ventilation device and centrifugal cross-flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548256U true CN203548256U (en) | 2014-04-16 |
Family
ID=50466380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320555406.7U Expired - Lifetime CN203548256U (en) | 2013-09-06 | 2013-09-06 | Ventilation device and centrifugal cross-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843603A (en) * | 2018-07-24 | 2018-11-20 | 大连碧蓝节能环保科技有限公司 | Centrifugal blower arranged side by side |
| CN108980079A (en) * | 2018-07-24 | 2018-12-11 | 大连碧蓝节能环保科技有限公司 | Through-flow is centrifuged hybrid blower |
-
2013
- 2013-09-06 CN CN201320555406.7U patent/CN203548256U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843603A (en) * | 2018-07-24 | 2018-11-20 | 大连碧蓝节能环保科技有限公司 | Centrifugal blower arranged side by side |
| CN108980079A (en) * | 2018-07-24 | 2018-12-11 | 大连碧蓝节能环保科技有限公司 | Through-flow is centrifuged hybrid blower |
| CN108843603B (en) * | 2018-07-24 | 2020-01-21 | 威海市豪顿风机股份有限公司 | Parallel centrifugal fan |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
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