CN202926562U - Fan assembly - Google Patents

Fan assembly Download PDF

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Publication number
CN202926562U
CN202926562U CN 201220379720 CN201220379720U CN202926562U CN 202926562 U CN202926562 U CN 202926562U CN 201220379720 CN201220379720 CN 201220379720 CN 201220379720 U CN201220379720 U CN 201220379720U CN 202926562 U CN202926562 U CN 202926562U
Authority
CN
China
Prior art keywords
air
fan component
main body
air outlet
outlet slit
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.)
Expired - Fee Related
Application number
CN 201220379720
Other languages
Chinese (zh)
Inventor
K.J.西蒙斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dyson Technology Ltd
Dyson Ltd
Original Assignee
Dyson Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB201016640A external-priority patent/GB2484276A/en
Priority claimed from GB201016639A external-priority patent/GB2484275A/en
Application filed by Dyson Ltd filed Critical Dyson Ltd
Application granted granted Critical
Publication of CN202926562U publication Critical patent/CN202926562U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow

Abstract

The utility model discloses a fan assembly which comprises a main body and an air outlet portion. The main body comprises an air inlet, an impeller and a motor which is used for driving the impeller to suck air flow to enable the air flow to pass through the air inlet. The air outlet portion comprises an air passageway, an air outlet and an opening, wherein the air passageway is used for receiving the air flow from the main body, the air outlet is used for sending out the air flow from the fan assembly, and the air outside the fan assembly is sucked to pass through the opening by the air flow sent out from the air outlet. The fan assembly further comprises an input terminal and a power supply circuit, wherein the input terminal is used for receiving direct-current voltage, which is in a range between 4 volts and 12 volts, from an external power supply, and the power supply circuit is connected to the input terminal and used for providing driving voltage for the motor.

Description

Fan component
The application is to be that on September 30th, 2011 and model utility name are called the dividing an application of Chinese utility model patent application No.201120372697.7 of " fan component " applying date.
Technical field
The utility model relates to a kind of fan component.In its preferred implementation, the utility model relates to the fan component of a kind of low-power, civil power operation (mains-operated).
Background technique
WO2009/030879 has described a kind of fan component, it comprises cylindrical base and ring nozzle, this cylindrical base holds city's electric drive motor, this city's electric drive motor is used for rotary blade so that main air flow is drawn into pedestal, this ring nozzle is connected to pedestal and comprises annular mouth, and main air flow sends from fan by this annular mouth.Nozzle definition opening, the air in the local environment of fan component is passed this opening by the main air flow suction that mouth sends, and has amplified main air flow.Nozzle comprises that coanda (Coanda) surface, mouth are arranged as the guiding main air flow to this coanda surface.Extend symmetrically about the central shaft of opening on the coanda surface, and the air-flow that makes fan component produce is the form with annular spray fluid of cylindrical or frusto-conical profile.
The model utility content
In first aspect, the utility model relates to a kind of fan component, comprising: main body comprises air inlet, impeller and is used for drives impeller and passes the motor of air inlet with suction airstream; Air outlet slit section, comprise for the air passageways that receives air-flow from main body, be used for sending from fan component at least one air outlet slit and the opening of air-flow, passed this opening from the air of fan component outside by the air-flow suction that at least one air outlet slit sends; Input terminal is used for receiving direct current (DC) voltage from external power supply, preferably in 4 to 12V scopes; And power circuit, be connected to input terminal and be used for providing driving voltage to motor.
Input terminal can be configured to be used to being connected to one of a plurality of different external power supplys.In preferred embodiment, input terminal can be connected to ABAP Adapter, and this ABAP Adapter is used for exchanging (AC) voltage, and 110 or 220AC voltage such as mains supply provides are converted to dc voltage, for example the 4.8V dc voltage.Perhaps, input terminal can be connected to by suitable cable 6V or the 12V power supply of Motor Vehicle, for example igniter (lighter socket).Or input terminal can be the form of USB (USB) port, is used for being received in voltage in 4.4 to 5.25V scopes by USB cable from computer.Under latter event, fan component can comprise for the storage of storage from the data of USB port reception.
Fan component is preferably the low-power fan component, and wherein in use, motor extracts the power less than 10W, preferably less than the power of 5W.
Preferably, in order to minimize manufacture cost, fan component has the parts of relatively low quantity.For example, the air outlet slit section of part can be integral with the main body of part.In preferred embodiment, air outlet slit section comprises the outside that defines air passageways and inner, air outlet slit and opening, and main body comprises the sidewall that holds motor and impeller.In the case, the outside of air outlet slit section can be integral with the sidewall of main body.Input terminal is preferably placed in the hole that forms in main body wall.
Main body can comprise for the pedestal of supporting fan component.Sidewall is preferably tubular, more preferably has in the top the cylindrical wall of opening, and air-flow enters the air outlet slit section of fan component by this opening.Pedestal preferably is integral with sidewall, so can stretch out to improve from the lower open end of sidewall the stability of fan component.Pedestal can have substantially circular periphery, and the diameter that this periphery has is at least 1.5 times of diameter of the sidewall of main body, preferably twice at least.Perhaps, pedestal can have the shape of any other expectation, such as ellipse or polygonal shape.Pedestal can be positioned on rotatable base plate, is used for allowing user's rotary fan assembly again to guide the air-flow that is produced by fan component.Base plate can be swung by swing mechanism (oscillate) thus with the inswept air-flow of angle of for example 90 ° of left and right.
Fan component preferably includes the support for support motor and described impeller.Sidewall preferably includes the hole, the support patchhole.For example, support can comprise frame, and the lower open end of this frame by sidewall can be inserted in the hole of sidewall of main body.The lower end of frame is preferably the lower surface with basic continous that fan component is provided of sealing.Frame is preferably the coaxial tubular frame of sidewall of basic and main body.Frame preferably includes a plurality of holes, and air-flow passes between air inlet and impeller by this hole.
Power circuit is preferably mounted on support, so insert simultaneously main body with support.In assembly process, before support was inserted in main body, motor and impeller can be inserted in main body by the lower open end of sidewall.Then, break can for example be connected to power circuit by the hole in the sidewall that is formed on main body, makes optionally opening and closing motor of user.Circular diffuser can be controlled its fluid characteristics enter air outlet slit section between impeller and air outlet slit section with the air-flow that is sending from impeller before.Diffuser can be integral with the shell of motor, can be perhaps independent parts.
Outside and inner each is preferably annular shape, makes opening have circular cross-section substantially.Fan component preferably has relatively little size; The diameter of opening is preferably less than 150mm, and the height of fan component is preferably less than 250mm.Therefore, fan component can be the Portable fan assembly, be fit to be positioned on desk, bench or other furniture, perhaps at automobile, paulin truck (caravan) is arranged or has other Motor Vehicle that suitable external power supply is used for the motor of drive fan assembly.
Air inlet can comprise the one or more holes in the sidewall that is formed on main body, and air-flow enters main body by this hole.Air outlet slit section can be included in the single air outlet slit that around openings is extended (preferably around opening).Perhaps, air outlet slit section can comprise and gets around mouthful isolated a plurality of air outlet slits.For example, air outlet slit section can comprise a pair of air outlet slit on the opposite side that is positioned at opening, and each air outlet slit sends the appropriate section of air-flow.
This air outlet slit or each air outlet slit are preferably form of slots, preferably have the width in 0.5 to 5mm scope.In preferred embodiment, this slit or each slit have the width of 3mm left and right.Spacer can be formed on the inside that is used for engaging air outlet slit section on the outside of air outlet slit section with the relative interval uniformly between the inside that keeps air outlet slit section and outside.Perhaps, Spacer can be formed on the inside of air outlet slit section.
The air outlet slit preferred orientation is at the rear portion of air outlet slit section, and preferred arrangements is that steering flow passes the hole by the outer surface definition of the inside of air outlet slit section.This air outlet slit or each air outlet slit are preferably by overlapping the definition with outside internal surface of the outer surface of the inside of air outlet slit section.
The choosing of air outlet slit quality award from the ministry comprises the surface of contiguous air outlet slit, and air outlet slit is arranged on this surface to guide by its air-flow that sends.Preferably, this surface is curved surface, more preferably the coanda surface.Preferably, the outer surface of the inside of air outlet slit section is configured as definition coanda surface.The coanda surface is known surface type, demonstrates Coanda effect from the fluid that sends near this surperficial delivery outlet on this surface.Fluid trends towards near this surface, almost " is close to " this surface or " embracing " this surperficial surface and flows.Coanda effect be confirmed, the record of a lot of documents arranged entrainment (entrainment) method, wherein main air flow is directed into the coanda surface.The effect of the fluid of the description of the feature on coanda surface and coanda surface can find in the literature, Reba for example, Scientific American, Volume214, in June, 1966, the 84th to 92 page.By using coanda surperficial, the air that is sent by air outlet slit passes opening from the air quantity of the external suction increase of fan component.
In preferred embodiment, produce air-flow, this air-flow sends from the air outlet slit section of fan component.In the following description, this air-flow will be called as main air flow.Main air flow is in coanda surface process.Main air flow entrainments around the air of air outlet slit section, and it serves as the air of air amplifier main air flow to be provided to the user and to be entrainmented.The air that is entrainmented will be called as time air-flow here.Inferior air-flow is from the interior space, zone or around the external environment condition suction of the mouth of nozzle, and other zone suctions around the fan component by shifting, and main flow ground passes the opening that is defined by air outlet slit section.Be directed to main air flow that the inferior air-flow with being entrainmented of coanda surface is combined and equal the total air flow that sends forward or launch from the air outlet slit section of fan component.
Preferably, air outlet slit section comprises the diffuser surface that is positioned at downstream, coanda surface.The air-flow that the guiding of diffuser surface is sent towards user's position is held stationary, output uniformly simultaneously.
In second aspect of the present utility model, a kind of fan component is provided, comprising: main body comprises air inlet, impeller and is used for drives impeller and passes the motor of air inlet with suction airstream; Air outlet slit section, comprise for the air passageways that receives air-flow from main body, be used for sending from fan component at least one air outlet slit and the coanda surface of air-flow, this at least one air outlet slit is arranged as guiding and flows to the coanda surface by its gas that sends; Input terminal is used for receiving preferred VDC in 4 to 12V scopes from external power supply; And power circuit, be connected to input terminal and be used for providing driving voltage to motor.
Coanda surface is preferably about extending with the axle of the planar quadrature of opening.Angle folded between coanda surface and this axle is preferably in 5 to 30 ° of scopes, more preferably in 15 to 25 ° of scopes.
Main body and the choosing of air outlet slit quality award from the ministry are formed by plastic materials.For example, inside and outside can formation by polycarbonate (PC) material of main body and air outlet slit section is such as PC/ acrylonitrile-butadiene-styrene (ABS) (ABS, acrylonitrile butadiene styrene) mixture.Impeller and the diffuser that is located immediately at the impeller downstream are also preferably formed by plastic materials, and the PC/ABS mixture also can be used to form these parts.Support also can be formed by plastic materials, but because these parts mainly are positioned at main body, it can be formed by more fragile plastic materials, such as polypropylene/talcum (talc) mixture.
In the third aspect, the utility model provides a kind of fan component, comprising: main body comprises air inlet, impeller and is used for drives impeller and passes the motor of air inlet with suction airstream; Air outlet slit section, comprise first ring shaped part, the second ring part, air outlet slit and opening, the part of first ring shaped part and main body is integral, the second ring part is connected to the first ring shaped part, first ring shaped part and the definition of the second ring part are used for receiving from main body the air passageways of air-flow, air outlet slit is used for sending air-flow from fan component, passes this opening from the air-flow suction that the air of fan component outside is sent by air outlet slit.Preferably, air outlet slit section comprises the outside that defines air passageways and inner, air outlet slit and opening, and main body comprises the sidewall that holds motor and impeller, and this sidewall preferably is integral with the outside of the air outlet slit section of fan component.Sidewall preferably includes the air inlet of main body.
In fourth aspect, the utility model provides a kind of fan component, comprising: main body comprises air inlet, impeller and is used for driving described impeller and passes the motor of described air inlet with suction airstream; Air outlet slit section, comprise with the part described main body one the outside and be positioned at described outside with inside, described inside and described external definition be used for from described main body receive air-flow air passageways, be used for sending from described fan component air outlet slit and the opening of air-flow, passed described opening from the air of described fan component outside by the air-flow suction that described air outlet slit sends.
Be applied in the same manner second, third and fourth aspect of the present utility model according to the above-mentioned feature of first aspect of the present utility model, vice versa.
In one aspect, the utility model provides a kind of fan component, and this fan component comprises: main body comprises air inlet, impeller and is used for driving described impeller and passes the motor of described air inlet with suction airstream; Air outlet slit section, comprise with the part described main body one annular, outer and be positioned at described annular, outer with ring-shaped inner part, described ring-shaped inner part and described annular, outer defined be used for from described main body receive air-flow annular air channel, be used for sending from described fan component air outlet slit and the opening of air-flow, passed described opening from the air of described fan component outside by the air-flow suction that described air outlet slit sends.
Described main body comprises sidewall, and described sidewall comprises the described air inlet of described main body.
Described sidewall extends on every side at described motor and the described impeller of described main body.
The described annular, outer of described air outlet slit section and the described sidewall one of described main body.
This fan component comprises that be used to the support that supports described motor and described impeller, wherein said sidewall comprises the hole, and described support inserts described hole.
Described support comprises frame.
Described frame has the lower end of sealing.
The described sidewall of described frame and described main body is substantially coaxial.
Described frame comprises a plurality of holes, and described air-flow passes between described air inlet and described impeller by described hole.
This fan component comprises and is arranged on described support the power circuit that is used for providing to described motor driving voltage.
Described main body comprises be used to the pedestal that supports described fan component, and wherein said pedestal and described sidewall are integral.
Described main body comprises for receive the input terminal of the VDC in 4V to 13V scope from external power supply.
Described opening has circular cross-section substantially.
The diameter of described opening is less than 150mm.
Described fan component has the height less than 250mm.
Description of drawings
Referring now to accompanying drawing, preferred feature of the present utility model is only described by way of example, in the accompanying drawings:
Fig. 1 is that fan component is from the isometric front view of top;
Fig. 2 is the front view of fan component;
Fig. 3 is that fan component is along the side cross-sectional view of the line A-A intercepting of Fig. 2;
Fig. 4 is the impeller of motor and impeller units and the exploded view of motor;
Fig. 5 is the rear view of fan component.
Embodiment
Fig. 1 and Fig. 2 illustrate fan component 10.Fan component 10 comprises the main body with air inlet part 12 and air outlet slit section 14.Air inlet part 12 comprises the sidewall 16 of substantial cylindrical, is formed with the air inlet 18 that is a plurality of hole forms in sidewall 16, and main air flow passes this air inlet 18 and is drawn into air inlet part 12 from external environment condition.Air outlet slit section 14 comprises for send the air outlet slit 20 of main air flow from fan component 10.
Air outlet slit section 14 comprises the annular, outer 22 that is connected to ring-shaped inner part 24 and extends around ring-shaped inner part 24.The ring part 22 of air outlet slit section 14,24 extends around opening 26 and defines opening 26.Each of these parts can be formed by the part of a plurality of connections, but in the present embodiment, each of outside 22 and inner 24 formed by single molded part separately.In this example, outside 22 are integral with the sidewall 16 of air inlet part 12, but outside 22 can be for example by buckle (snap-fit) connect, bayonet socket is installed (bayonet fitting), screw installation, bonding, ultrasonic welding or any other suitable connection are connected to sidewall 16.Between erecting stage, inner 24 front ends 28 that open wide by outside 22 are inserted into outside 22.As shown in Figure 3, front end 28 be received in be arranged in inner 24 place, front towards after narrow annular slot 30.Outside 22 can use the tackiness agent that is incorporated into slit 30 to connect together with inner 24.
Outside 22 is shown in Figure 3 to the ring-shaped inner part passage 32(of air outlet slit 20 for transmitting main air flow with inside 24 definition together).Inner passage 32 is defined by the internal surface of outside 22 and inner 24 internal surface.The sidewall 16 of air inlet part 12 has unlimited upper end 34, these upper end of opening wide 34 definition one holes, and main air flow enters inner passage 32 by this hole from air inlet part 12.
Air outlet slit 20 is positioned at the rear portion of air outlet slit section 14, and is arranged as by opening 26 and sends main air flow towards the front of fan component 10.Air outlet slit 20 extends around opening 26 at least in part, and preferably around opening 26.The part of air outlet slit 20 by making outside 22 internal surface is overlapping with the part of inner 24 outer surface or in the face of defining respectively, and is the form of narrow annular slot, preferably has the relatively constant width in 0.5 to 5mm scope.In this example, air outlet slit has the width of 3mm left and right.Spacer 35 can be spaced apart around air outlet slit 20, remains on the level of expectation with the width with air outlet slit 20 for the overlapping section that pushes outside 22 and inner 24 open.These Spacers 35 can be integral with outside 22 or inner 24, are to be integral with outside 22 in this example.
Air outlet slit 20 is configured as the guiding main air flow above inner 24 outer surface.Inner 24 outer surface comprises coanda surface 36 and diffuser surface 38, contiguous air outlet slit 20 location, coanda surface 36, the air that air outlet slit 20 guiding is sent from fan component 10 is to these 36 tops, coanda surface, and diffuser surface 38 is positioned at the downstream on coanda surface 36.Diffuser surface 38 is arranged along with tapered away from the central shaft X of opening 26, thus the flowing of the auxiliary air that sends from fan component 10.Angle folded between the central shaft X of diffuser surface 38 and opening 26 is about 24 ° of left and right in this example in the scope of 5 to 30 °.
As mentioned above, air inlet part 12 comprises the sidewall 16 with outside 22 one of air outlet slit section 14.Sidewall 16 is roughly cylindrical, and the lower end 40 and the hole 42 that have unlimited upper end 34, open wide.Sidewall 16 comprises air inlet 18, and primary airstream passes this air inlet 18 and enters fan component 10.In this mode of execution, air inlet 18 comprises the array that is formed on the hole in sidewall 16.Perhaps, air inlet 18 can comprise one or more grids or the sieve that is arranged in the window that is formed in sidewall 16.
Fan component 10 comprises pedestal 44, and this pedestal 44 is used for engaging the surface that is provided with fan component 10.Pedestal 44 is connected to the sidewall 16 of air inlet part 12 and the sidewall 16 of preferred and air inlet part 12 is integral.Pedestal 44 stretches out from the lower end 40 of sidewall 16.In this example, pedestal 44 is for having the annular slab form of rounded outer edge, and the diameter of this rounded outer edge is the twice left and right of the diameter of sidewall 16.
The height of fan component 10 in 150 to 250mm scopes, is the 210mm left and right in this example.The diameter of pedestal 44 in 100 to 200mm scopes, is the 130mm left and right in this example.Front portion towards fan component 10 increases from the rear portion of fan component 10 by the diameter of the opening 26 of air outlet slit section 14 definition, and this diameter changes to the 130mm left and right in the front portion of fan component 10 from the 90mm left and right at fan component rear portion in this example.Therefore the size of fan component 10 forms and can easily be positioned on desk or other working surfaces, perhaps on shelf, bump (ledge) or other similar surfaces.
With reference now to Fig. 3,, air inlet part 12 holds motor and impeller units, briefly by 46 indications, be used for to drive main air flow and passes air inlet 18 hand-hole 42 of going forward side by side in Fig. 3.As shown in Figure 4, motor and impeller units 46 comprise the impeller 48 that is connected to running shaft 50, and this running shaft 50 stretches out from motor 52.In this mode of execution, in use, motor 52 extracts the power less than 10W, preferably less than the power of 5W.The unlimited lower end 40 that impeller 48, axle 50 and motor 52 preferably are contained in by sidewall 16 is inserted in the motor and impeller units 46 of air inlet part 12.Air inlet part 12 comprises the circular diffuser 54 with a plurality of blades, and these a plurality of blades be used for to receive the main air flow of discharging from impeller 48 and are used for this air-flow of guiding and enter air outlet slit section 14.Diffuser 54 can be integral with motor and impeller units 46, perhaps the same in example like this, diffuser 54 can be to be inserted into the independent parts of air inlet part 12 before motor and impeller units 46, make upper open end 34 location of its adjacent sidewall 16, and supported by the upper end of motor and impeller units 46.The main body of fan component 10 can comprise that the bump 55 that extends internally from the internal surface of main body surpasses the open upper 34 of sidewall 16 to prevent diffuser 54.
Motor and impeller units 46 are supported by support 56 in air inlet part 12.Support 56 comprises the frame 58 of general tube shape, and this frame 58 and sidewall 16 are coaxial and comprise a plurality of holes 60, and main air flow passes between air inlet 18 and impeller 48 by this hole 60.Motor and impeller units 46 are supported by the upper end of support 56.Support 56 is gone back Positioning Power circuit 62, and this power circuit 62 is connected to motor 52 and is used for providing driving voltage to motor 52.Be similar to motor and impeller units 46, support 56 is inserted into air inlet part 12 by the unlimited lower end 40 of sidewall 16.Support 56 preferably has support pedestal 64, and this support pedestal 64 is used for the unlimited lower end 40 of closed side wall 16 when support 56 inserts the hole 42 of sidewall 16 fully.Perhaps, support pedestal 64 can be the independent parts that are inserted into the hole 42 of sidewall 16 after support 56.The outer surface of support pedestal 64 can connect by buckle and is connected to sidewall 16.Perhaps, support pedestal 64 can use screw or other fastening pieces to be fixed to sidewall 16 or pedestal 44.
Support 56 preferably includes a plurality of elastic positioners 66 for positioning circuit 62.Circuit 62 comprises for receive the input terminal 68 of preferred direct current (DC) voltage in 4 to 13V scopes from external power supply.In this example, input terminal 68 is configured to be connected to the ABAP Adapter (not shown), and this ABAP Adapter is used for exchanging (AC) voltage, and 110 or 220AC voltage such as mains supply provides are converted to dc voltage, for example the 4.8V dc voltage.With reference to figure 5, input terminal 68 is positioned on circuit 62, in the slit 70 that forms in the unlimited lower end 40 that is located at sidewall 16 when support 56 is inserted into air inlet part 12.Slit 70 is preferably placed at the rear portion of fan component 10 or near the rear portion of fan component 10.
Circuit 62 also comprises for allowing the user optionally to open or the switch 72 of disable motor 52.Switch 72 can pass the hole 74 of the front portion that is positioned at sidewall 16 and give prominence to, and is roughly relative with input terminal 68, and can be connected to circuit 62 after circuit 62 is inserted into air inlet part 12.Switch 72 can be for pressing or the form of rotatable on/off switch, perhaps can change the form of rotating disk of the rotational speed of impeller 48 for allowing the user.Circuit 62 can comprise light emitting diode (LED) or other lighting sets, is used for illuminating the part around switch 72 of sidewall 16 when fan component 10 is unlocked.
In order to operate fan component 10, the user uses ABAP Adapter that input terminal 68 is connected to mains supply, and presses switch 72.As response, circuit 62 is opened motor 52 with rotary blade 48.The rotation of impeller 48 causes main air flow to pass air inlet 18 being sucked into air inlet part 12.Main air flow is in the open upper 34 of passing sidewall 16 and hole 60 and motor and impeller units 46 that before entering air outlet slit section 14, order is passed support 56.
In air outlet slit section 14, main air flow is divided into two strands of air-flows, and these two strands of air-flows are advanced in opposite direction around the opening 26 of air outlet slit section 14.When air-flow passed inner passage 32, air sent by air outlet slit 20.The main air flow that sends from air outlet slit 20 is directed into 36 tops, coanda surface of air outlet slit section 14, thereby cause time air-flow, this time air-flow is by the generation of entrainmenting from the air of external environment condition (particularly, from the zone around air outlet slit 20 with from the zone around the rear portion of air outlet slit section 14).This time air-flow passes the opening 26 of air outlet slit section 14, be combined at this place's time air-flow total air flow or the air-flow of launching forward from air outlet slit section 14 with generation with main air flow.

Claims (15)

1. a fan component, is characterized in that, this fan component comprises:
Main body comprises air inlet, impeller and is used for driving described impeller and passes the motor of described air inlet with suction airstream;
Air outlet slit section, comprise with the part described main body one annular, outer and be positioned at described annular, outer with ring-shaped inner part, described ring-shaped inner part and described annular, outer defined be used for from described main body receive air-flow annular air channel, be used for sending from described fan component air outlet slit and the opening of air-flow, passed described opening from the air of described fan component outside by the air-flow suction that described air outlet slit sends.
2. fan component according to claim 1, is characterized in that, described main body comprises sidewall, and described sidewall comprises the described air inlet of described main body.
3. fan component according to claim 2, is characterized in that, described sidewall extends on every side at described motor and the described impeller of described main body.
4. fan component according to claim 2, is characterized in that, the described annular, outer of described air outlet slit section and the described sidewall one of described main body.
5. fan component according to claim 2, is characterized in that, comprises that be used to the support that supports described motor and described impeller, wherein said sidewall comprises the hole, and described support inserts described hole.
6. fan component according to claim 5, is characterized in that, described support comprises frame.
7. fan component according to claim 6, is characterized in that, described frame has the lower end of sealing.
8. fan component according to claim 6, is characterized in that, the described sidewall of described frame and described main body is substantially coaxial.
9. fan component according to claim 6, is characterized in that, described frame comprises a plurality of holes, and described air-flow passes between described air inlet and described impeller by described hole.
10. fan component according to claim 5, is characterized in that, comprises being arranged on the power circuit that is used for providing to described motor driving voltage on described support.
11. according to claim 2 to 10, arbitrary described fan component, is characterized in that, described main body comprises be used to the pedestal that supports described fan component, and wherein said pedestal and described sidewall are integral.
12. according to claim 2 to 10, arbitrary described fan component, is characterized in that, described main body comprises for receive the input terminal of the VDC in 4V to 13V scope from external power supply.
13. according to claim 1 to 10, arbitrary described fan component, is characterized in that, described opening has circular cross-section substantially.
14. fan component according to claim 13 is characterized in that, the diameter of described opening is less than 150mm.
15. according to claim 1 to 10, arbitrary described fan component, is characterized in that, described fan component has the height less than 250mm.
CN 201220379720 2010-10-04 2011-09-30 Fan assembly Expired - Fee Related CN202926562U (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB201016640A GB2484276A (en) 2010-10-04 2010-10-04 A bladeless portable fan
GB1016639.5 2010-10-04
GB1016640.3 2010-10-04
GB201016639A GB2484275A (en) 2010-10-04 2010-10-04 A portable bladeless fan comprising input terminal for direct current power input source

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN 201120372697 Division CN202431622U (en) 2010-10-04 2011-09-30 Fan assembly

Publications (1)

Publication Number Publication Date
CN202926562U true CN202926562U (en) 2013-05-08

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Family Applications (3)

Application Number Title Priority Date Filing Date
CN2011103009856A Pending CN102444627A (en) 2010-10-04 2011-09-30 Fan assembly
CN 201220379720 Expired - Fee Related CN202926562U (en) 2010-10-04 2011-09-30 Fan assembly
CN 201120372697 Expired - Fee Related CN202431622U (en) 2010-10-04 2011-09-30 Fan assembly

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WO (1) WO2012046022A1 (en)

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WO2012046022A1 (en) * 2010-10-04 2012-04-12 Dyson Technology Limited Fan supplied by external dc power source
JP6515328B2 (en) * 2015-03-26 2019-05-22 パナソニックＩｐマネジメント株式会社 Air blower
CN106194856B (en) * 2016-09-30 2019-04-30 广东美的环境电器制造有限公司 The head of bladeless fan and bladeless fan with it
TW202348668A (en) 2022-06-10 2023-12-16 美商陶氏全球科技有限責任公司 Rigid polyurethane foam formulation and method to make fiber reinforced polyurethane foam suitable for cryogenic applications
WO2024049936A1 (en) 2022-08-31 2024-03-07 Dow Global Technologies Llc Method for making molded polymer foam

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US20050128698A1 (en) * 2003-12-10 2005-06-16 Huang Cheng Y. Cooling fan
CN201011346Y (en) * 2006-10-20 2008-01-23 何华科技股份有限公司 Programmable information displaying fan
GB2452593A (en) 2007-09-04 2009-03-11 Dyson Technology Ltd A fan
GB2452490A (en) * 2007-09-04 2009-03-11 Dyson Technology Ltd Bladeless fan
GB2464736A (en) * 2008-10-25 2010-04-28 Dyson Technology Ltd Fan with a filter
CN201507461U (en) * 2009-09-28 2010-06-16 黄露艳 Floor fan provided with DC motor
CN201568337U (en) * 2009-12-15 2010-09-01 叶建阳 Electric fan without blade
WO2012046022A1 (en) * 2010-10-04 2012-04-12 Dyson Technology Limited Fan supplied by external dc power source

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TWM428649U (en) 2012-05-01
WO2012046022A1 (en) 2012-04-12
CN202431622U (en) 2012-09-12

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