CN104863870A - Fan - Google Patents
Fan Download PDFInfo
- Publication number
- CN104863870A CN104863870A CN201410073708.XA CN201410073708A CN104863870A CN 104863870 A CN104863870 A CN 104863870A CN 201410073708 A CN201410073708 A CN 201410073708A CN 104863870 A CN104863870 A CN 104863870A
- Authority
- CN
- China
- Prior art keywords
- wind wheel
- centrifugal wind
- back cover
- exhaust outlet
- plate
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan which comprises a front casing, a rear casing, a centrifugal wind wheel and a motor driver, wherein air outlets are formed in the front casing; the rear casing is arranged on the rear side of the front casing, a cavity is defined between the rear casing and the front casing, and air inlets are formed in the rear casing; the centrifugal wind wheel is rotationally arranged in the cavity around the axis in the front-back-direction, and the air outlets and the air inlets are formed in the front side and rear side of the centrifugal wind wheel; the motor driver is connected with the centrifugal wind wheel so as to drive the centrifugal wind wheel to rotate; air produced by the centrifugal wind wheel is guided to the air outlets by a cavity wall, opposite to wind blades of the centrifugal wind wheel, of the cavity. According to the fan, the centrifugal wind wheel is arranged in the cavity, the blades are invisible from outside of the fan, the attractiveness of appearance is guaranteed, dust can be prevented, and the use risks caused by high-speed rotation of a traditional fan are eliminated. Besides, the air guided centrifugally by the centrifugal wind wheel flows at a high speed, and accordingly, the noise is reduced greatly while the effect of the fan is realized.
Description
Technical field
The present invention relates to household appliance technical field, especially relate to a kind of fan.
Background technique
Traditional fan can see the blade in housing from outside, may bring certain application risk during blade High Rotation Speed to user, blade is easy to assemble dust and bad cleaning in addition.In prior art known for inventor, existing Dai Sen company without blade fan.The air-flow of Dai Senwu blade fan enters from bottom, is compressed in the chamber of bottom by motor, and sprays from the small gaps the ring head on top, wherein, the air entered from bottom jet flow cavity can be divided into two strands, so easy formation turbulent flow, thus produces noise.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind ofly conceal blade and reduce the fan of noise.According to a kind of fan of the embodiment of the present invention, comprising: fore shell, described fore shell has exhaust outlet; Back cover, described back cover be located at fore shell rear side and and limit chamber between described fore shell, described back cover has intake grill; Centrifugal wind wheel, described centrifugal wind wheel is located in described chamber around the axis of fore-and-aft direction rotationally, and described exhaust outlet and described intake grill are positioned at the both sides, front and back of described centrifugal wind wheel; And motor driver, described motor driver is connected with described centrifugal wind wheel to drive described centrifugal wind wheel to rotate; Wherein, the wind that described centrifugal wind wheel produces leads described exhaust outlet by the chamber wall that described chamber is relative with the fan blade of described centrifugal wind wheel.
According to the fan of the embodiment of the present invention, centrifugal wind wheel is located in chamber, can't see blade in fan outside, ensure that the aesthetic property of outward appearance and can prevent dust, and solves the application risk that conventional fan brings due to fan High Rotation Speed.In addition, because the air velocity of the centrifugal guiding of centrifugal wind wheel is high, thus considerably reduce noise while the effect obtaining fan.
According to one embodiment of present invention, described exhaust outlet is ringwise, and coaxial with described centrifugal wind wheel.
According to one embodiment of present invention, described exhaust outlet is multiple, and distributes from the inside to the outside on described fore shell.
According to one embodiment of present invention, described exhaust outlet is that multiple and along described fore shell circumference is uniformly distributed.
Alternatively, each described exhaust outlet is formed as rectangle or arcuate shape.
According to one embodiment of present invention, the center of described fore shell is formed with barge board, and described exhaust outlet is arranged around described barge board.Air-out is even thus, and fore shell manufactures easy.
According to one embodiment of present invention, described back cover has reentrant part recessed forward, wherein said intake grill is located on the perisporium in the female portion.Like this in centrifugal wind wheel rotation process, directly can enter into High Rotation Speed region that centrifugal wind wheel drives when air enters from intake grill with high-speed motion thereupon, back cover is simple for structure, easily manufactured in addition.
Preferably, the diapire in the female portion is formed with baffle plate, described intake grill is around described baffle plate.
According to one embodiment of present invention, the female portion is formed as circular, and coaxial with described centrifugal wind wheel, and the external diameter in the female portion is less than the external diameter of described centrifugal wind wheel.
Alternatively, described intake grill comprises multiple, and described multiple intake grill is uniformly distributed on the perisporium in the female portion.Make air intake even thus, further increase air intake efficiency and reduce noise.
According to one embodiment of present invention, on described back cover, on inwall, corresponding each described air inlet all has the guide plate extended in described chamber.Thus, by arranging guide plate, can prevent user when finger stretches in chamber by back cover, be centrifuged the rotation blade injury of wind wheel on the one hand, the flow direction entering the air in chamber from intake grill can be guided on the other hand.
Alternatively, described guide plate is formed as arc plate or swash plate, or is formed by connecting by the straight plate of multistage and/or arc plate.
According to one embodiment of present invention, described back cover comprises rear plate and the peripheral plate being connected plate periphery in the rear, and wherein said reentrant part is recessed into forward by a part for described rear plate and is formed, surface blending between described peripheral plate and described rear plate.Thus, by arranging surface blending, the air that centrifugal wind wheel throws away can be directed to exhaust outlet place, reduce the energy loss in chamber, thus further increase air flow efficiency, and reduce noise.
Alternatively, cambered surface or parabola transition between described peripheral plate and described rear plate.
Particularly, described motor driver comprises: motor, and wherein said centrifugal wind wheel is connected on the main shaft of described motor; Motor casing, described motor casing is set in outside described motor.
Alternatively, described fan comprises motor accommodating part further, and described motor accommodating part is arranged in the female portion, and described motor driver is contained in described motor accommodating part.By arranging reentrant part and motor accommodating part, simplifying the structure of back cover, reduced integral product weight and save manufacture cost.
Alternatively, described motor accommodating part is formed as hollow barrel-type, and extends back from the diapire in the female portion.
Further, described back cover also comprises electrical machinery cover, the rear end open of described motor accommodating part, and described electrical machinery cover is removably connected to the rear end of described motor accommodating part to be enclosed in described motor accommodating part by described motor.Fan
According to one embodiment of present invention, described fan comprises hinge luffing mechanism further, joint, and described joint is removably connected to described back cover; Hinge bracket, wherein said joint is connected on described hinge bracket pivotly, can change the upper and lower air-out direction of fan thus.
According to one embodiment of present invention, described fan comprises oscillating mechanism further, and described oscillating mechanism is connected with described hinge bracket to drive described hinge bracket can swing around vertical direction; Base; Supporting rod, described supporting rod is connected on described base, and have holding space in described supporting rod top, wherein said oscillating mechanism is located in described holding space.
Particularly, the rear surface of described fore shell have multiple first buckles circumferentially distributed, the front surface of described back cover has multiple second buckles circumferentially distributed, described second buckle and described first is clasped that described back cover buckle is connected to described fore shell.
According to one embodiment of present invention, at described centrifugal wind wheel in the radial direction, the blade of described centrifugal wind wheel is positioned at the outside of described intake grill and is positioned at the inner side of described exhaust outlet.
According to one embodiment of present invention, the air flow chamber of looping between the sidewall relative with the fan blade of described centrifugal wind wheel of described chamber and described centrifugal wind wheel, the wind that described intake grill enters to be introduced in described air flow chamber by described centrifugal wind wheel and is discharged from described exhaust outlet.
Thus, according to the fan of the embodiment of the present invention, conceal blade, appearance looks elegant and noise is low, air-out efficiency is high, and can adjust air-out direction as requested.In addition, structure is simple, easily manufactured and cost is low.
A kind of fan of embodiment, comprising: fore shell according to a second aspect of the present invention; Back cover, described back cover be located at fore shell rear side and and limit chamber between described fore shell, described back cover has forward recessed reentrant part, the perisporium in the female portion has multiple intake grill; Centrifugal wind wheel, described centrifugal wind wheel is located in described chamber rotationally around the axis of fore-and-aft direction, and described centrifugal wind wheel is set in the female portion coaxially; Motor driver, described motor driver is arranged on place of the female portion and is connected with described centrifugal wind wheel to drive described centrifugal wind wheel to rotate; The air flow chamber of looping between the sidewall relative with the fan blade of described centrifugal wind wheel of wherein said chamber and described centrifugal wind wheel, the front panel of described air flow chamber has multiple exhaust outlet, and described air flow chamber is configured to the wind that described centrifugal wind wheel produces to lead described exhaust outlet.
According to the fan of the embodiment of the present invention, centrifugal wind wheel is located in chamber, can't see blade in fan outside, ensure that the aesthetic property of outward appearance and can prevent dust, and solves the application risk that conventional fan brings due to fan High Rotation Speed.In addition, because the air velocity of the centrifugal guiding of centrifugal wind wheel in air flow chamber is high, thus considerably reduce noise while the effect obtaining fan.
According to one embodiment of present invention, at described centrifugal wind wheel in the radial direction, the blade of described centrifugal wind wheel is positioned at the outside of described intake grill and is positioned at the inner side of described exhaust outlet.
According to one embodiment of present invention, described exhaust outlet is the annular exhaust outlet be located on described fore shell, and described exhaust outlet is coaxial with described centrifugal wind wheel.
According to one embodiment of present invention, described exhaust outlet is multiple and is uniformly distributed along the circumference of described fore shell or radial direction, and each described exhaust outlet is formed as rectangle or arcuate shape.
According to one embodiment of present invention, on the inwall of described back cover, corresponding each described air inlet all has the guide plate extended in described chamber.
Alternatively, described guide plate is formed as arc plate or swash plate, or is formed by connecting by the straight plate of multistage and/or arc plate.
According to one embodiment of present invention, described back cover comprises: rear plate and the peripheral plate being connected plate periphery in the rear, wherein said reentrant part is recessed into forward by a part for described rear plate and is formed, by cambered surface or parabola transition between described peripheral plate and described rear plate.Thus, by arranging guide plate, can prevent user when finger stretches in chamber by back cover, be centrifuged the rotation blade injury of wind wheel on the one hand, the flow direction entering the air in chamber from intake grill can be guided on the other hand.
According to one embodiment of present invention, described fan comprises further: motor accommodating part, and described motor accommodating part is arranged in the female portion, and described motor driver is contained in described motor accommodating part.
Alternatively, described motor accommodating part is formed as hollow barrel-type, and extends back from the diapire in the female portion.
Alternatively, described back cover also comprises electrical machinery cover, and the rear end of described motor accommodating part is open, and described electrical machinery cover is removably connected to the rear end of described motor accommodating part to be enclosed in described motor accommodating part by described motor.
According to the fan of the embodiment of the present invention, conceal blade, appearance looks elegant and noise is low, air-out efficiency is high.In addition, structure is simple, easily manufactured and cost is low.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the plan view of fan according to an embodiment of the invention;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the explosive view of the fan shown in Fig. 1;
Fig. 4 is the explosive view of another angle of the fan shown in Fig. 1;
Fig. 5 is the schematic diagram of the back cover of fan in accordance with another embodiment of the present invention, illustrated therein is guide plate;
Fig. 6 a is the plan view of the back cover shown in Fig. 5;
Fig. 6 b be in Fig. 6 a A '-A ' to sectional view;
Fig. 7 is the plan view of fan according to yet another embodiment of the invention, illustrated therein is base and supporting rod;
Fig. 8 a is that A in Fig. 7 "-A " is to sectional view;
Fig. 8 b is B portion enlarged view in Fig. 8 a;
Fig. 9 is the rear view of the fan shown in Fig. 7;
Figure 10 is the stereogram of centrifugal wind wheel in the fan according to the embodiment of the present invention.
Reference character:
Fan 100;
Fore shell 1; Exhaust outlet 11; First buckle 12; Barge board 13;
Back cover 2; Rear plate 201; Peripheral plate 202; Cambered surface 203; Intake grill 21; Reentrant part 22; Guide plate 23; Second buckle 24;
Chamber 3;
Centrifugal wind wheel 4; Circular discs 41; Hollow part 411; Blade part 42; Annular frame 421; Blade 422;
Motor driver 5; Motor 50; Main shaft 501; Motor casing 52; Electrical machinery cover 51; Radiation hole 511;
Hinge luffing mechanism 6; Joint 61; Hinge bracket 62;
Oscillating mechanism 7; Gear 71; Bi-directional synchronization motor 72;
Base 8; Supporting rod 9
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 9, the fan 100 according to the embodiment of the present invention is described.
According to a kind of fan 100 of the embodiment of the present invention, comprising: fore shell 1, back cover 2, centrifugal wind wheel 4 and motor driver 5.As depicted in figs. 1 and 2, fore shell 1 has exhaust outlet 11, the outward edge of the contiguous fore shell 1 of exhaust outlet 11 is arranged, back cover 2 be located at fore shell 1 rear side and and limit chamber 3 between fore shell 1, back cover 2 has intake grill 21, centrifugal wind wheel 4 is located in chamber 3 around the axis of fore-and-aft direction rotationally, and exhaust outlet 11 and intake grill 21 are positioned at inside the both sides, front and back of centrifugal wind wheel 4.Motor driver 5 is connected with centrifugal wind wheel 4 and drives centrifugal wind wheel 4 to rotate, and wherein when motor driver 5 drives centrifugal wind wheel 4, the air entered by intake grill 21 is centrifuged that wind wheel 4 is centrifugal guides to exhaust outlet 11.Centrifugal wind wheel 4 comprises circular discs 41 and is located at the blade part 42 of circular discs 41 periphery, and this blade part 42 comprises annular frame 421 and to be located in annular frame 421 and the multiple blades 422 extended vertically, and multiple blade is uniformly distributed circumferentially.Optional, circular discs 41 is provided with multiple hollow part 411, to reduce the overall weight of centrifugal wind wheel 4.Preferably, at centrifugal wind wheel 4 in the radial direction, the blade of centrifugal wind wheel 4 is positioned at the outside of intake grill 21 and is positioned at the inner side of exhaust outlet 11.In the following description, equal reference drawing 1-Fig. 9 and be all formed as toroidal shell for fore shell 1 and back cover 2 and be described.Certainly, those skilled in the art are appreciated that, the fore shell of fan that the present invention describes and back cover substantially can also be formed as rectangle, ellipse or be greater than the shape such as polygonal on four limits, and namely in the present invention, the fore shell of fan 100 and the shape of back cover are not specifically limited.
Thus, during work, wind enters in chamber 3 from the intake grill 21 of back cover 2, by centrifugal wind wheel 4 fast rotational, air is at a high speed thrown on the perisporium of back cover 2, at fore shell 1, between back cover 2 and the outward edge of centrifugal wind wheel 4, form air zone of high pressure, then the air of zone of high pressure is from the ejection at a high speed of the exhaust outlet 11 fore shell 1, and the high-speed air now sprayed drives fore shell 1 and the blowout of shell 2 ambient air.In a preferred exemplary, form enclosed construction between the sidewall relative with the blade 422 of centrifugal wind wheel 4 of chamber 3 and centrifugal wind wheel 4, namely above-mentioned air zone of high pressure is formed in this enclosed construction.
According to the fan of the embodiment of the present invention, centrifugal wind wheel 4 is located in chamber 3, can't see blade in fan outside, ensure that the aesthetic property of outward appearance and can prevent dust, and solves the application risk that conventional fan brings due to fan High Rotation Speed.In addition, the air entered in chamber 3 is centrifuged wind wheel 4 and drives at a high speed and blow out from the outer peripheral exhaust outlet 11 of contiguous fore shell 1, and air velocity is high, and considerably reduces noise.
Preferably, back cover 2 comprises rear plate 201 and is connected to the peripheral plate 202 of rear plate 201 periphery, and wherein reentrant part 22 is recessed into forward by a part for rear plate 201 and is formed, surface blending between peripheral plate 202 and rear plate 201.Alternatively, cambered surface or parabola transition is passed through between peripheral plate 202 and rear plate 201.Such as shown in Figure 2, by cambered surface 203 transition between peripheral plate 202 and rear plate 201.Thus, by arranging surface blending, the air that centrifugal wind wheel 4 throws away can be directed to exhaust outlet 11 place, reduce the energy loss in chamber 3, thus further increase air flow efficiency, and reduce noise.
In alternate exemplary more of the present invention, exhaust outlet 11 ringwise, and coaxial with centrifugal wind wheel 4 (scheming not shown).That is, exhaust outlet 11 also can be the annular exhaust outlet 11 extended along the circumference of fore shell 1, and can be such as ring, also can be oval ring.In other alternate exemplary of the present invention, as shown in Figure 1, Figure 3 and Figure 4, exhaust outlet 11 is that multiple and along fore shell 1 circumference is evenly arranged, and air-out is even thus, and fore shell 1 manufactures easy.Alternatively, as shown in Figure 1, each exhaust outlet 11 is formed as arcuate shape, and multiple like this exhaust outlet 11 can around formation general toroidal, and this annular is positioned at the edge of fore shell 1 to improve air-out efficiency.Or alternatively, each exhaust outlet 11 can also be formed as rectangular shape (scheming not shown).Certainly, the present invention is not limited to this, and in some examples more of the present invention, exhaust outlet 11 also can be multiple radially from distribution outside interior, schemes not shown
In other example of the present invention, be also formed with barge board 13 at the center of fore shell 1, exhaust outlet 11 is arranged around barge board 13, schemes not shown.
As shown in figs 2-4, back cover 2 has reentrant part 22 recessed forward, wherein intake grill 21 is located on the perisporium of reentrant part 22, like this in centrifugal wind wheel 4 rotation process, High Rotation Speed region that centrifugal wind wheel 4 drives directly can be entered into high-speed motion thereupon when air enters from intake grill 21, back cover 2 is simple for structure, easily manufactured in addition.Alternatively, the center of reentrant part 22 is coaxial with centrifugal wind wheel 4.Preferably, reentrant part 22 is formed as circular, and the external diameter of reentrant part 22 is less than the external diameter of centrifugal wind wheel 4, as shown in figs 2-4.Due to the cause of reentrant part 22 that back cover 2 constructs, chamber 3 is divided into general toroidal structure, thus when conducting on back cover or fore shell by centrifugal wind wheel 4 institute is centrifugal, namely in chamber 3, zone of high pressure is formed, and due to the physical isolation of reentrant part 22, air in zone of high pressure can not crosstalk mutually, thus more promptly can leave this fan from exhaust outlet 21, obtains better cooling effect thus.
Further, as shown in Figure 3 and Figure 4, intake grill 21 comprises multiple, and multiple intake grill 21 is uniformly distributed on the perisporium of reentrant part 22, makes air intake even thus, further increases air intake efficiency and reduce noise.
In further embodiment of the present invention, as as shown in Fig. 5-Fig. 6 b, on the inwall of back cover 2, corresponding each intake grill 21 place all has the guide plate 23 extended in chamber 3, thus, by arranging guide plate 23, can prevent user when finger stretches in chamber 3 by back cover 2, be centrifuged the rotation blade injury of wind wheel 3 on the one hand, the flow direction entering the air in chamber 3 from intake grill 21 can be guided on the other hand.In some alternate exemplary wherein, guide plate 23 is formed as arc plate.Preferably, multiple guide plate 23 shape is all identical with bending direction, air can be made thus to enter in chamber 3 along the bending direction (direction of arrow such as shown in Fig. 5 and Fig. 6 a) of guide plate 23, thus further increase air intake and the air-out efficiency of fan.In other alternate exemplary, guide plate 23 can also be formed as swash plate (scheming not shown), and wherein swash plate is relative to the radial skew of centrifugal wind wheel, i.e. limit acute angle or obtuse angle (being not equal to 90 degree and 180 degree) between the radial direction of swash plate and centrifugal wind wheel 4.Certainly wherein preferably by consistent for the true dip direction of swash plate.The present invention is not limited to such scheme, such as, in some examples more of the present invention, and the multistage plate that guide plate 23 can also be formed by connecting by the straight plate of multistage and/or arc plate.
Be described to the setting of motor driver 5 and structure below.Motor driver 5 is arranged to drive centrifugal wind wheel 4 to rotate around the axis of its fore-and-aft direction, and namely the main shaft 501 of motor driver 5 drives centrifugal wind wheel 4 to rotate.Specifically, as shown in figs 2-4, the motor casing 52 that motor driver 5 comprises motor 50 and is set in outside described motor 50, wherein said centrifugal wind wheel 4 is connected on the main shaft 501 of motor 50, and motor casing 52 is set in outside motor 50.
As shown in figs 2-4, fan 100 also comprises motor accommodating part 221 further, and motor accommodating part 221 is located on the recessed portion (namely) of reentrant part 22, and motor driver 5 to be contained in reentrant part 22 and to drive centrifugal wind wheel 4 to rotate.Particularly, motor accommodating part 221 is formed as hollow barrel-type and extends in the longitudinal direction, and the front end of motor accommodating part 221 is communicated with chamber 3, and wherein motor driver 5 is contained in motor accommodating part 221.By arranging reentrant part 22 and motor accommodating part 221, simplifying the structure of back cover 2, having reduced integral product weight and saving manufacture cost.
Alternatively, back cover 2 can also comprise electrical machinery cover 51, the rear end open of motor accommodating part 221, electrical machinery cover 51 is removably connected to the rear end of motor accommodating part 221 to be enclosed in motor accommodating part 221 by motor 50, as shown in Figure 2 and Figure 4, and electrical machinery cover 51 has at least one radiation hole 511 for dispelling the heat to motor driver 5, such as multiple radiation hole 511 can be arranged multiple row more and arrange, certainly, also can with circumference arranged (scheming not shown) regularly.Further, electrical machinery cover 51 is removably connected with motor accommodating part 221, such as, for screw connects.
In certain embodiments, fan 100, except above-mentioned parts, can also comprise base 8 and supporting rod 9, as shown in figs. 7 to 9, supporting rod 9 is connected on base 8, and now, above-mentioned motor driver 5, centrifugal wind wheel 4, fore shell 1 and the back cover 2 mentioned will form the nose assembly of fan 100.
In order to the upper and lower air-out direction of fan can be changed, in some embodiments of the invention, fan 100 can comprise hinge luffing mechanism 6 further, as shown in Figure 3 and Figure 4, hinge luffing mechanism 6 comprises joint 61 and hinge bracket 62, joint 61 is connected on hinge bracket 62 pivotly, and such as shown in Figure 1, joint 61 is connected to hinge bracket 62 pivotly by bearing pin 63.Joint 61 is removably connected on back cover 2, such as, fixed by screw and back cover 2.Alternatively, as shown in Figure 2, joint 61 screw is connected on the motor casing 52 of motor.Like this, when joint 61 rotates around bearing pin 63 relative to hinge bracket 62, drive motor cover 51 rotates thus drives above-mentioned nose assembly to rotate together, namely can change the air-out direction up and down of fan.Alternatively, joint 61 screw is connected to electrical machinery cover 51.
In addition, the for a change left and right air-out direction of fan, oscillating mechanism 7 can also be comprised in further embodiment of the present invention, oscillating mechanism 7 is connected to drive hinge bracket can swing around the axial direction of hinge bracket 62 with hinge bracket 62, namely drive motor driver 5, centrifugal wind wheel 4, fore shell 1 and back cover 2 swing.Specifically, as figures 8 a and 8 b show, in supporting rod 9 top, have holding space 91, wherein oscillating mechanism 7 is located in holding space 91.Alternatively, hinge bracket 62 is connected to the top of oscillating mechanism 7.Alternatively, oscillating mechanism 7 comprises the bi-directional synchronization motor 72 of gear 71 and actuation gear gear motion.Wherein because the oscillating mechanism 7 be made up of gear 71 and bi-directional synchronization motor 72 is known by those skilled in the art, the concrete structure of oscillating mechanism will be not described in detail at this.
Preferably, the center of gravity of the nose assembly be made up of motor driver 5, centrifugal wind wheel 4, fore shell 1 and back cover 2 and base 8, roughly on same vertical curve, ensure the shelf-stability of fan 100 thus.Such as in some alternate exemplary, the thickness at the rear portion of base 8 is greater than the thickness of its front portion, contributes to the steadily of centre of gravity of whole fan like this.
The back cover 2 of simple declaration fan 100 and the connection of fore shell 1 below.
In some embodiments of the invention, as shown in Figure 2, back cover 2 snaps into fore shell 1.Specifically, the rear surface of fore shell 1 has multiple first buckles 12 circumferentially distributed, the front surface of back cover 2 has multiple second buckle 24, second buckles 24 circumferentially distributed and coordinate that back cover 2 buckle is connected to fore shell 1 with the first buckle 12.Alternatively, one of them in the first buckle 12 and the second buckle 24 is block tongue and another is draw-in groove.Such as in the illustrated example shown in fig. 2, the first buckle 12 is for being located at the draw-in groove on fore shell 1, and the second buckle 24 is formed by the rear end structure of the peripheral plate 202 of back cover 2, and this rear end is inserted in corresponding draw-in groove 12 so that back cover 2 is snapped into fore shell 1.Certainly, back cover 2 is being snapped on the basis of fore shell 1, by screw, back cover 2 can also be connected further with fore shell 1.In another alternate exemplary, above-mentioned draw-in groove can also for rotating draw-in groove, and that is, block tongue is inserted into rotate after in draw-in groove and rotates predetermined angle, block tongue and draw-in groove can be fixed (scheming not shown), and then fore shell 1 and back cover 2 be fixed.
Certainly, in other embodiments of the present invention, back cover 2 and fore shell 1 can directly be connected by screw.
Next, with reference to figure 1-Fig. 9, the working principle according to the fan of the embodiment of the present invention is described.
As shown in figs. 7 to 9, base 8 and supporting rod 9 support the nose assembly comprising motor driver 5, centrifugal wind wheel 4, fore shell 1 and back cover 2, and hold in supporting rod 9 and connect for regulating the hinge luffing mechanism 6 of the luffing angle of described nose assembly and for regulating the oscillating mechanism of the angle that swings of described nose assembly.
Operationally, as shown in Figure 2, air enters in chamber 3 from the intake grill 21 of back cover 2, by guide plate 23, the air entered is introduced in chamber with predetermined direction, its ambient air High Rotation Speed is made by centrifugal wind wheel 4 fast rotational, and by centrifugal action, the air of High Rotation Speed is thrown in the cambered surface 203 of back cover 2, at fore shell 1, between back cover 2 and the outward edge of centrifugal wind wheel 4, form air zone of high pressure, then the air of zone of high pressure is from the ejection at a high speed of the exhaust outlet 11 fore shell 1, and the high-speed air now sprayed drives fore shell 1 and the blowout of shell 2 ambient air.
Thus, according to the fan of the embodiment of the present invention, conceal blade, appearance looks elegant and noise is low, air-out efficiency is high, and can adjust air-out direction as requested.In addition, structure is simple, easily manufactured and cost is low.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (32)
1. a fan, is characterized in that, comprising:
Fore shell, described fore shell has exhaust outlet;
Back cover, described back cover be located at fore shell rear side and and limit chamber between described fore shell, described back cover has intake grill;
Centrifugal wind wheel, described centrifugal wind wheel is located in described chamber around the axis of fore-and-aft direction rotationally, and described exhaust outlet and described intake grill are positioned at the both sides, front and back of described centrifugal wind wheel; And
Motor driver, described motor driver is connected with described centrifugal wind wheel to drive described centrifugal wind wheel to rotate;
Wherein, the wind that described centrifugal wind wheel produces leads described exhaust outlet by the chamber wall that described chamber is relative with the fan blade of described centrifugal wind wheel.
2. fan according to claim 1, is characterized in that, described exhaust outlet is ringwise, and coaxial with described centrifugal wind wheel.
3. fan according to claim 2, is characterized in that, described exhaust outlet is multiple, and distributes from the inside to the outside on described fore shell.
4. fan according to claim 1, is characterized in that, described exhaust outlet is multiple, and is uniformly distributed along the circumference of described fore shell.
5. fan according to claim 4, is characterized in that, each described exhaust outlet is formed as rectangle or arcuate shape.
6. fan according to claim 1, is characterized in that, the center of described fore shell is formed with barge board, and described exhaust outlet is arranged around described barge board.
7. the fan according to any one of claim 1-6, is characterized in that, described back cover has reentrant part recessed forward, described intake grill is located on the perisporium in the female portion.
8. fan according to claim 7, is characterized in that, the diapire in the female portion is formed with baffle plate, and described intake grill is around described baffle plate.
9. fan according to claim 7, is characterized in that, the female portion is formed as circular, and coaxial with described centrifugal wind wheel, and the external diameter in the female portion is less than the external diameter of described centrifugal wind wheel.
10. fan according to claim 7, is characterized in that, described intake grill comprises multiple, and described multiple intake grill is uniformly distributed on the perisporium in the female portion.
11. fans according to claim 10, is characterized in that, on the inwall of described back cover, corresponding each described air inlet all has the guide plate extended in described chamber.
12. fans according to claim 11, is characterized in that, described guide plate is formed as arc plate or swash plate, or are formed by connecting by the straight plate of multistage and/or arc plate.
13. fans according to claim 7, it is characterized in that, described back cover comprises: rear plate and the peripheral plate being connected plate periphery in the rear, and wherein said reentrant part is recessed into forward by a part for described rear plate and is formed, surface blending between described peripheral plate and described rear plate.
14. fans according to claim 13, is characterized in that, cambered surface or parabola transition between described peripheral plate and described rear plate.
15. fans according to claim 7, is characterized in that, comprise further: motor accommodating part, and described motor accommodating part is arranged in the female portion, and described motor driver is contained in described motor accommodating part.
16. fans according to claim 15, is characterized in that, described motor accommodating part is formed as hollow barrel-type, and extends back from the diapire in the female portion.
17. fans according to claim 16, it is characterized in that, described back cover also comprises electrical machinery cover, the rear end open of described motor accommodating part, and described electrical machinery cover is removably connected to the rear end of described motor accommodating part to be enclosed in described motor accommodating part by described motor.
18. fans according to any one of claim 1-6, it is characterized in that, comprise further: hinge luffing mechanism, described hinge luffing mechanism comprises:
Joint, described joint is removably connected to described back cover;
Hinge bracket, wherein said joint is connected on described hinge bracket pivotly.
19. fans according to claim 18, is characterized in that, comprise further:
Oscillating mechanism, described oscillating mechanism is connected with described hinge bracket to drive described hinge bracket can swing around vertical direction;
Base; And
Supporting rod, described supporting rod is connected on described base, and have holding space in described supporting rod top, wherein said oscillating mechanism is located in described holding space.
20. fans according to any one of claim 1-6, it is characterized in that, the rear surface of described fore shell have multiple first buckles circumferentially distributed, the front surface of described back cover has multiple second buckles circumferentially distributed, described second buckle and described first is clasped that described back cover buckle is connected to described fore shell.
21. fans according to any one of claim 1-6, is characterized in that, at described centrifugal wind wheel in the radial direction, the blade of described centrifugal wind wheel is positioned at the outside of described intake grill and is positioned at the inner side of described exhaust outlet.
22. fans according to any one of claim 1-6, it is characterized in that, the air flow chamber of looping between the sidewall relative with the fan blade of described centrifugal wind wheel of described chamber and described centrifugal wind wheel, the wind that described intake grill enters to be introduced in described air flow chamber by described centrifugal wind wheel and is discharged from described exhaust outlet.
23. 1 kinds of fans, is characterized in that, comprising:
Fore shell;
Back cover, described back cover be located at fore shell rear side and and limit chamber between described fore shell, described back cover has forward recessed reentrant part, the perisporium in the female portion has multiple intake grill;
Centrifugal wind wheel, described centrifugal wind wheel is located in described chamber rotationally around the axis of fore-and-aft direction, and described centrifugal wind wheel is set in the female portion coaxially;
Motor driver, described motor driver is arranged on place of the female portion and is connected with described centrifugal wind wheel to drive described centrifugal wind wheel to rotate;
Between the sidewall relative with the fan blade of described centrifugal wind wheel of wherein said chamber and described centrifugal wind wheel, the air flow chamber of looping, the front panel of described air flow chamber has exhaust outlet.
24. fans according to claim 23, is characterized in that, at described centrifugal wind wheel in the radial direction, the blade of described centrifugal wind wheel is positioned at the outside of described intake grill and is positioned at the inner side of described exhaust outlet.
25. fans according to claim 24, is characterized in that, described exhaust outlet is the annular exhaust outlet be located on described fore shell, and described exhaust outlet is coaxial with described centrifugal wind wheel.
26. fans according to claim 24, is characterized in that, described exhaust outlet is multiple and is uniformly distributed along the circumference of described fore shell or radial direction, and each described exhaust outlet is formed as rectangle or arcuate shape.
27. fans according to claim 23, is characterized in that, on the inwall of described back cover, corresponding each described air inlet all has the guide plate extended in described chamber.
28. fans according to claim 27, is characterized in that, described guide plate is formed as arc plate or swash plate, or are formed by connecting by the straight plate of multistage and/or arc plate.
29. fans according to claim 23, it is characterized in that, described back cover comprises: rear plate and the peripheral plate being connected plate periphery in the rear, wherein said reentrant part is recessed into forward by a part for described rear plate and is formed, by cambered surface or parabola transition between described peripheral plate and described rear plate.
30. fans according to any one of claim 23-29, it is characterized in that, comprise further: motor accommodating part, described motor accommodating part is arranged in the female portion, and described motor driver is contained in described motor accommodating part.
31. fans according to claim 30, is characterized in that, described motor accommodating part is formed as hollow barrel-type, and extends back from the diapire in the female portion.
32. fans according to claim 31, it is characterized in that, described back cover also comprises electrical machinery cover, and the rear end of described motor accommodating part is open, and described electrical machinery cover is removably connected to the rear end of described motor accommodating part to be enclosed in described motor accommodating part by described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073708.XA CN104863870B (en) | 2014-02-28 | 2014-02-28 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073708.XA CN104863870B (en) | 2014-02-28 | 2014-02-28 | Fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104863870A true CN104863870A (en) | 2015-08-26 |
| CN104863870B CN104863870B (en) | 2017-07-28 |
Family
ID=53909950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410073708.XA Active CN104863870B (en) | 2014-02-28 | 2014-02-28 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104863870B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879308A (en) * | 2014-06-30 | 2015-09-02 | 广东美的环境电器制造有限公司 | Fan |
| CN105351227A (en) * | 2015-11-24 | 2016-02-24 | 珠海格力电器股份有限公司 | Electric fan machine head assembly and electric fan |
| CN106168232A (en) * | 2016-09-30 | 2016-11-30 | 广东美的环境电器制造有限公司 | Head and bladeless fan for bladeless fan |
| CN107747558A (en) * | 2017-10-10 | 2018-03-02 | 格力电器（中山）小家电制造有限公司 | Wind shielding structure, guard coil assembly and the fan for including guard coil assembly |
| CN108730240A (en) * | 2018-03-28 | 2018-11-02 | 珠海格力电器股份有限公司 | Bladeless fan |
| CN110566479A (en) * | 2019-09-16 | 2019-12-13 | 续客商城（深圳）有限公司 | Fan with cooling device |
| CN114688050A (en) * | 2020-12-25 | 2022-07-01 | 义乌市鼎邦文体用品有限公司 | Combined fan device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090110553A1 (en) * | 2007-10-30 | 2009-04-30 | Min-I Wu | Omnidirectional electric fan and fan blade structure |
| CN101825107A (en) * | 2010-02-08 | 2010-09-08 | 张�育 | Safe and silent annular fan |
| CN202789730U (en) * | 2012-05-25 | 2013-03-13 | 符井然 | Low noise fan device capable of hiding blade |
| CN103452816A (en) * | 2013-01-07 | 2013-12-18 | 胡晓存 | Bladeless fan structure |
| CN203783926U (en) * | 2014-02-28 | 2014-08-20 | 广东美的环境电器制造有限公司 | Fan |
-
2014
- 2014-02-28 CN CN201410073708.XA patent/CN104863870B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090110553A1 (en) * | 2007-10-30 | 2009-04-30 | Min-I Wu | Omnidirectional electric fan and fan blade structure |
| CN101825107A (en) * | 2010-02-08 | 2010-09-08 | 张�育 | Safe and silent annular fan |
| CN202789730U (en) * | 2012-05-25 | 2013-03-13 | 符井然 | Low noise fan device capable of hiding blade |
| CN103452816A (en) * | 2013-01-07 | 2013-12-18 | 胡晓存 | Bladeless fan structure |
| CN203783926U (en) * | 2014-02-28 | 2014-08-20 | 广东美的环境电器制造有限公司 | Fan |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879308A (en) * | 2014-06-30 | 2015-09-02 | 广东美的环境电器制造有限公司 | Fan |
| CN104879308B (en) * | 2014-06-30 | 2018-01-30 | 广东美的环境电器制造有限公司 | Fan |
| CN105351227A (en) * | 2015-11-24 | 2016-02-24 | 珠海格力电器股份有限公司 | Electric fan machine head assembly and electric fan |
| CN105351227B (en) * | 2015-11-24 | 2019-01-18 | 珠海格力电器股份有限公司 | Electric fan head component and electric fan |
| CN106168232A (en) * | 2016-09-30 | 2016-11-30 | 广东美的环境电器制造有限公司 | Head and bladeless fan for bladeless fan |
| CN107747558A (en) * | 2017-10-10 | 2018-03-02 | 格力电器（中山）小家电制造有限公司 | Wind shielding structure, guard coil assembly and the fan for including guard coil assembly |
| CN107747558B (en) * | 2017-10-10 | 2024-03-08 | 格力电器（中山）小家电制造有限公司 | Wind shielding structure, net cover ring assembly and fan comprising net cover ring assembly |
| CN108730240A (en) * | 2018-03-28 | 2018-11-02 | 珠海格力电器股份有限公司 | Bladeless fan |
| CN110566479A (en) * | 2019-09-16 | 2019-12-13 | 续客商城（深圳）有限公司 | Fan with cooling device |
| CN114688050A (en) * | 2020-12-25 | 2022-07-01 | 义乌市鼎邦文体用品有限公司 | Combined fan device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104863870B (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863870A (en) | Fan | |
| CN203783926U (en) | Fan | |
| KR102043068B1 (en) | Mechanical fan and Air conditioner comprising the same | |
| EP2607807B1 (en) | Air conditioner | |
| KR102341015B1 (en) | fan head assembly and fan | |
| EP3613989B1 (en) | Fan | |
| EP3163178B1 (en) | Air conditioner | |
| CN106015031A (en) | Centrifugal fan | |
| CN104879308B (en) | Fan | |
| CN104879307A (en) | Fan | |
| EP3704385B1 (en) | Fan | |
| US10835007B2 (en) | Hair dryer | |
| CN203962432U (en) | Fan | |
| CN203835759U (en) | Fan | |
| JP3178828U (en) | Fan with gas flow structure | |
| EP2980304A1 (en) | Centrifugal fan and clothes dryer having same | |
| CN108309093A (en) | Food cooking machine | |
| CN202746226U (en) | Lighting fan | |
| US11905970B2 (en) | Diffuser, centrifugal compression power system and bladeless fan | |
| CN105937118B (en) | Fan blade for motor for washer and the rotary drum washing machine with it | |
| CN210484189U (en) | Fan | |
| CN209244914U (en) | A kind of centrifugal impeller for motor radiating | |
| CN208769614U (en) | Aerofoil fan, frame component and food cooking machine | |
| KR20110114502A (en) | A hair drier | |
| CN207777233U (en) | Centrifugal fan and cooking machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |