CN204783827U - Centrifugal air wheel - Google Patents
Centrifugal air wheel Download PDFInfo
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- CN204783827U CN204783827U CN201520282085.7U CN201520282085U CN204783827U CN 204783827 U CN204783827 U CN 204783827U CN 201520282085 U CN201520282085 U CN 201520282085U CN 204783827 U CN204783827 U CN 204783827U
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Abstract
The utility model discloses a centrifugal air wheel, it includes hub and a plurality of blade. A plurality of blades certainly the hub is along being on a parallel with the direction ranging back of centrifugal air wheel's pivot, a plurality of blades are that parabola is radial arranges, every the rear end outline line of blade includes certainly thereby the first segmental arc of the outside ranging back of pivot is in form the collection wind zone between a plurality of blades. Because with centrifugal air wheel complex spiral case is formed with back air intake and two preceding air outlets, has increased air -out point when changing the position of air inlet and air -out to improve air -out efficiency. Correspondingly, centrifugal air wheel is formed with the correspondence back air intake the collection wind zone, so can collect more air currents the blade effect is discharged to centrifugal direction down, guarantees air -out efficiency.
Description
Technical field
The utility model relates to centrifugal wind wheel technology, particularly a kind of centrifugal wind wheel.
Background technique
Intake grill central axis and the exhaust outlet central axis of centrifugal blower are in the past two mutual vertical and disjoint space lines, the air intake direction of centrifugal blower is mutually vertical with air-out direction, and this seriously constrains the application of centrifugal blower in the specific environment such as air-out direction requirement is consistent with air intake direction.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model needs to provide a kind of centrifugal wind wheel.
The centrifugal wind wheel of the utility model mode of execution comprises:
Wheel hub; And
Multiple blades that direction from described wheel hub along the rotating shaft being parallel to described centrifugal wind wheel extends back, the parabolically radial arrangement of described multiple blade, the rear end profile line of each described blade comprises the first arcuate segment of outwards extending back from described rotating shaft thus form Ji Fengqu between described multiple blade.
In some embodiments, the front end profile line of each described blade comprises the second arcuate segment of outwards extending forward from described rotating shaft thus form reduced-pressure zone between described multiple blade.
In some embodiments, the front end profile line of each described blade also comprises that be connected with described first arcuate segment, outward extending first straightway, and the rear end profile line of rear each described blade also comprises that be connected with described second arc tips, outward extending second straightway.
In some embodiments, the radial length of described first arcuate segment and described second arcuate segment is substantially identical, and the radial distance of described first straightway and described second straightway is substantially identical.
In some embodiments, described wheel hub is the sheet material of the contoured fit of the front end of shape and described blade, and the front end of described blade is connected with described wheel hub.
In some embodiments, described centrifugal wind wheel comprises the wind scooper being arranged at described blade rear end, and described wind scooper comprises the second annular lamina and from described second ring segment inwardly and backward bending the second annular guide plate extended.
In some embodiments, the external diameter of described wind scooper is less than the external diameter of described blade, and the internal diameter of described wind scooper is greater than the external diameter of described Ji Fengqu.
In some embodiments, the spiral case be arranged at outside described centrifugal wind wheel includes air-ducting ring air-ducting ring, described air-ducting ring comprise the first ring segment and from described first ring segment forward and curve inwardly extend the first annular guide plate, described air-ducting ring and described wind scooper are coaxially arranged, and described first annular guide plate stretches into described second annular guide plate.
In some embodiments, described centrifugal wind wheel by with spiral case matched design, the air-out direction of centrifugal blower can be made parallel with air intake direction.
Additional aspect of the present utility model 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 utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of mode of execution, wherein:
Fig. 1 is the schematic perspective view of the cabinet air-conditioner of the utility model mode of execution.
Fig. 2 is the floor map of the cabinet air-conditioner of the utility model mode of execution.
Fig. 3 is the generalized section of the hatching III-III along Fig. 2.
Fig. 4 is the generalized section of the hatching IV-IV along Fig. 2.
Fig. 5 is the generalized section of the hatching V-V along Fig. 2.
Fig. 6 is the generalized section of the hatching VI-VI along Fig. 2.
Fig. 7 is the schematic perspective view of the air-conditioning system of the cabinet air-conditioner of the utility model mode of execution.
Fig. 8 is the decomposing schematic representation of the air cleaning system of the cabinet air-conditioner of the utility model mode of execution.
Fig. 9 is the schematic perspective view of the air cleaning system of the cabinet air-conditioner of the utility model mode of execution.
Figure 10 is the schematic perspective view of the centrifugal wind wheel of the cabinet air-conditioner of the utility model mode of execution.
Figure 11 is the schematic perspective view of the spiral case of the cabinet air-conditioner of the utility model mode of execution.
Figure 12 is the schematic perspective view of another angle of the spiral case of the cabinet air-conditioner of the utility model mode of execution.
Figure 13 is the schematic perspective view of the electric machine support of the cabinet air-conditioner of the utility model mode of execution.
Figure 14 is the working principle schematic diagram of the cabinet air-conditioner of the utility model mode of execution.
Embodiment
Be described below in detail mode of execution of the present utility model, the example of described mode of execution 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 mode of execution be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " upper ", " under ", " front ", " after ", " left ", " right ", " vertically ", " level ", " top ", " end ", " in ", " outer ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.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 described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, 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 or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature in second feature it " go up " or it " under " the first and second features can be comprised directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different mode of executions or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various mode of execution and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
The centrifugal wind wheel of mode of execution of the present utility model comprises:
Wheel hub; And
Multiple blades that direction from described wheel hub along the rotating shaft being parallel to described centrifugal wind wheel extends back, the parabolically radial arrangement of described multiple blade, the rear end profile line of each described blade comprises the first arcuate segment of outwards extending back from described rotating shaft thus form Ji Fengqu between described multiple blade.
Because the spiral case coordinated with described centrifugal wind wheel is formed with rear air inlet and two front air outlets, while changing the position of air intake and air-out, add air-out point, thus improve air-out efficiency.Corresponding, described centrifugal wind wheel is formed with the described Ji Fengqu of corresponding described rear air inlet, so can collect more air-flow, discharges under described blade effect to centrifugal direction, ensures air-out efficiency.
In some embodiments, the front end profile line of each described blade comprises the second arcuate segment of outwards extending forward from described rotating shaft thus form reduced-pressure zone between described multiple blade.
Due to the header board restriction that described reduced-pressure zone is described spiral case, and see due to the existence of described reduced-pressure zone, the blast in described reduced-pressure zone is reduced, thus avoids impacting described header board, cause noise.
In some embodiments, the front end profile line of each described blade also comprises that be connected with described first arcuate segment, outward extending first straightway, and the rear end profile line of rear each described blade also comprises that be connected with described second arc tips, outward extending second straightway.
In other words, the axial width of each described blade outwards becomes large (corresponding described first arcuate segment and described second arcuate segment) gradually from described rotating shaft and then remains unchanged, setting like this, is conducive to being collected from described rotating shaft by air-flow and discharging to centrifugal wind direction, improves air-out efficiency.
In some embodiments, the radial length of described first arcuate segment and described second arcuate segment is substantially identical, and the radial distance of described first straightway and described second straightway is substantially identical.
So, each described blade has harmony diametrically, can reduce noise while improving air-out efficiency.
In some embodiments, described wheel hub is the sheet material of the contoured fit of the front end of shape and described blade, and the front end of described blade is connected with described wheel hub.
So, described wheel hub is connected diametrically entirely with described multiple blade, improves the join strength of described multiple blade, thus can reduce noise while raising air-out efficiency.
In some embodiments, described centrifugal wind wheel comprises the wind scooper being arranged at described blade rear end, and described wind scooper comprises the second annular lamina and from described second ring segment inwardly and backward bending the second annular guide plate extended.
So can improve air-out efficiency.
In some embodiments, the external diameter of described wind scooper is less than the external diameter of described blade, and the internal diameter of described wind scooper is greater than the external diameter of described Ji Fengqu.
So, described wind scooper does not affect the air intake of described Ji Fengqu, thus ensures air-out efficiency.
In some embodiments, the spiral case be arranged at outside described centrifugal wind wheel includes air-ducting ring, described air-ducting ring comprise the first ring segment and from described first ring segment forward and curve inwardly extend the first annular guide plate, described air-ducting ring and described wind scooper are coaxially arranged, and described first annular guide plate stretches into described second annular guide plate.
So, air-out efficiency can be improved.
Concrete, refer to Fig. 1, in the present embodiment, described centrifugal wind wheel is applied to cabinet air-conditioner 100.
Cabinet air-conditioner 100 comprises housing 10, support frame 20, air-conditioning system 30, electrically-controlled component 40 and air cleaning system 50.Support frame 20, air-conditioning system 30, electrically-controlled component 40 and air cleaning system 50 are arranged in housing 10.Air-conditioning system 30, electrically-controlled component 40 and air cleaning system 50 are supported on support frame 20.
See also Fig. 2 and Fig. 5-6, housing 10 comprises chassis 11, rear plate 12, side plate 13, header board 14, sliding door and upper cover 16.Rear plate 12, side plate 13 and header board 14 are installed on chassis 11.Upper cover 16 is located on rear plate 12, side plate 13, header board 14, thus limits containing space.
Housing 10 is formed with upper chamber 10a, lower chambers 10b, run through the upper air duct 10c of upper chamber 10a and run through the lower air duct 10d of lower chambers 10b.Upper chamber 10a and lower chambers 10b is formed between header board 14 and rear plate 12, rear plate 12 is formed with the enterprising air port 121 be communicated with upper chamber 10a and the lower intake grill 122 be communicated with lower chambers 10b, header board 14 is formed with the upper air blowing opening 141 be communicated with upper chamber 10a and the lower air blowing opening 142 be communicated with lower chambers 10b, and upper air duct 10c is formed between enterprising air port 121 and upper air blowing opening 141.Lower air duct 10b is formed between lower intake grill 122 and lower air blowing opening 142.
Upper air blowing opening 141 comprises upper left air blowing opening 1411 and upper right air blowing opening 1412, and lower air blowing opening 142 comprises lower-left air blowing opening 1421 and bottom right air blowing opening 1422.
Sliding door comprises left sliding door 151 and right sliding door 152, and left sliding door 151 and right sliding door 152 slide respectively and be located on header board 14, and the left and right sides being positioned at header board 14 hides for slip or exposes upper air blowing opening 141 and lower air blowing opening 142.
So, air blowing opening 141 and lower air blowing opening 142 can be hidden when not using, preventing contamination by dust, or the animal such as insect or mouse such as cockroach enters and builds nest, harms cabinet air-conditioner 100.
Rear plate 12 convex shaped forming V-shape backward.The position of lower intake grill 122 is provided with enterprising lower air intake grid 1221.
So, cabinet air-conditioner 100 is put when corner, can utilize coordinating of rear plate 12 and corner, make space availability ratio higher.
Support frame 20 comprises demarcation strip 21 and dunnage 22, and demarcation strip 21 is divided into upper chamber 10a and lower chambers 10b housing 10.Air-conditioning system 30 is located in the upper chamber 10a of housing 10, and air cleaning system 50 is located in the lower chambers 10b of housing 10.Electrically-controlled component 40 is located between air-conditioning system 30 and air cleaning system 50, and is installed on dunnage 22.
So, cabinet air-conditioner 100 more effectively can remove indoor harmful air pollutant, such as dust, pollen, formaldehyde.The density of air pollutant is generally large than air, and the air pollutant of ground surface are than concentrating above ground surface.Air cleaning system 50 is installed on lower position, can more effectively purify air.
Please refer to the drawing 3 and Fig. 5-7, air-conditioning system 30 comprises filter screen 31, indoor heat exchanger 32, indoor fan 33, air channel 34 and supporting frame 35.
Filter screen 31 is located between rear plate 12 and indoor heat exchanger 32.Heat exchanger 33 and rear plate 12 form fit, namely raise into V shape.Separated by a distance between indoor fan 33 and indoor heat exchanger 32.
Indoor fan 33 comprises left cross flow fan 331 and right cross flow fan 332, and left cross flow fan 331 is vertical with right cross flow fan 332 to be arranged.Right cross flow fan 332 comprises right motor 3321, right tubular wine wheel 3322 and right electric machine support 3323, the lower end of right tubular wine wheel 3322 is located at by right motor 3321, the axle of right motor 3321 is connected with the hole of right tubular wine wheel 3322, and right motor 3321 is installed with on right electric motor stand 3323.The position of left cross flow fan 331 is identical with right cross flow fan 332 with mounting type
Air channel 34 is jointly limited by component such as spiral case 343, wind guiding blade 344 and intermediate clapboards 345 and forms, and one end, air channel 341 is provided with intake grill 341, and intake grill 341 communicates with enterprising air port 121.Air channel 34 the other end is provided with exhaust outlet 342, and exhaust outlet 342 comprises left exhaust outlet 3421 and right exhaust outlet 3422, and left exhaust outlet 3421 and right exhaust outlet 3422 communicate with upper left air blowing opening 1411 and upper right air blowing opening 1412 respectively.
The position of left exhaust outlet 3421 and right exhaust outlet 3422 is respectively equipped with left wind guiding blade 3441 and right wind guiding blade 3442.Left wind guiding blade 3441 and right wind guiding blade 3442 can regulate the wind direction of air-out respectively.
Supporting frame 35 comprises top board 351 and base plate 352.Upper cover 16 is located on top board 351, and top board 351 is provided with multiple groove and hole, and upper cover 16 fastens with top board 351 and/or is threaded.Base plate 352 lower surface is provided with bearing pin 3521, and base plate 352 passes through bearing pin 3521 location and installation on demarcation strip 21.
Air-conditioning system 30 is for refrigeration or heat.Air-conditioning system 30 is freezed, the low pressure steam of refrigeration agent is sucked by compressor (not shown) and drains into outdoor heat exchanger (not shown) after boil down to high pressure steam, now outdoor heat exchanger is condenser, the outdoor air that the axial fan (not shown) of outdoor fan sucks simultaneously flows through outdoor heat exchanger, take away refrigeration agent liberated heat, make high pressure refrigerant vapor be condensed into highly pressurised liquid.Highly pressurised liquid sprays into indoor heat exchanger 32 after filter (not shown), throttle mechanism (not shown), and now indoor heat exchanger 32 is vaporizer, and evaporates under corresponding low pressure, draws heat around.The air turned cold after indoor fan 33 makes heat release is simultaneously sent to indoor by air channel 34.Indoor air like this constantly circulates, and reaches the object reducing temperature or dehumidifying.The heating operations of air conditioning system 30 is contrary with process of refrigerastion.
Certainly, air-conditioning system 30 can be not limited to present embodiment, in other embodiments, can adopt the air-conditioning system of axial-flow blower formula.
Electrically-controlled component 40 is connected with air-conditioning system 20 and air purifier system 50, for controlling both operations.
Refer to Fig. 4, Fig. 5-6 and Fig. 8-9 air purifier system 50 comprises filtration system 51 and fan system, and air purifier system 50 is installed on chassis 11.Fan system comprises centrifugal blower 521, and filtration system 51 is located between centrifugal blower 521 and lower air intake grid 1221.
Filtration system 51 comprises antibacterial and mouldproof just filter screen, sponge active carbon layer, cellular activated carbon layer and efficient filter screen (HighEfficiencyParticularAirFilter, HEPA) (not shown), antibacterial and mouldproof just filter screen, sponge active carbon layer, cellular activated carbon layer and efficient filter screen (HEPA, HighEfficiencyParticularAirFilter) is set gradually to the direction of centrifugal blower 521 by lower air intake grid 1221.
Refer to Figure 10, centrifugal blower 521 comprises centrifugal wind wheel 5211 and motor 5212.Centrifugal wind wheel 5211 comprises wheel hub 5211a and is installed on the blade 5211b on wheel hub 5211a.
Blade 5211b is multiple, and multiple blade 5211b extends back along the direction of the rotating shaft being parallel to centrifugal wind wheel 521 from wheel hub 5211a, and parabolically radial arrangement.
Blade 5211b is formed with rear end profile line 5211c and front end profile line 5211d.The rear end profile line 5211c of each blade 5211b comprises the first arcuate segment 5211e outwards extended back from the rotating shaft of centrifugal wind wheel, and the first arcuate segment 5211e forms Ji Fengqu between multiple blade 5211b.
The front end profile line 5211d of each blade 5211b comprises the second arcuate segment 5211g outwards extended forward from the rotating shaft of centrifugal wind wheel, and the second arcuate segment 5211g forms reduced-pressure zone between multiple blade 5211b.
The front end profile line 5211d of blade 5211b also comprises the first straightway 5211h, and the first straightway 5211h is connected with first outward extending one end of arcuate segment 5211e211e.The rear end profile of blade 5211b also comprises the second straightway 5211f, and the stretch out one end in direction of the second straightway 5211f and the second arcuate segment 5211g is connected.First arcuate segment 5211e is substantially identical with the radial length of the second arcuate segment 5211g.Second straightway 5211f is substantially identical with the radial distance of the second straightway 5211f.Wheel hub 5211a is sheet material and the front end contoured fit of shape and blade 5211b, and the front end of each blade 5211b is connected with wheel hub 5211a.
Centrifugal wind wheel 521 also comprises wind scooper 5211i.Wind scooper 5211i is arranged at the rear end of blade 5211b.Wind scooper 5211i comprises the second ring segment 5211k and the second annular guide plate 5211k.Second annular guide plate 5211k from the second ring segment 5211k forward and the extension that curves inwardly form.The external diameter of wind scooper 5211i is less than the external diameter of blade 5211b, and the internal diameter of wind scooper 5211i is greater than the external diameter of Ji Fengqu.
Motor 5212 is installed on electric machine support 524, and electric motor stand 524 is connected with chassis 11.
Please refer to the drawing 13, electric machine support 524 comprises vertical support frame 5241 and horizontal fixing frame 5242.Vertical support frame 5241 is arranged on the chassis 11 of cabinet air-conditioner, and vertical support frame 5241 is formed with motor holding part 5241a.Horizontal fixing frame 5242 is connected with the top of vertical support frame 5241, and horizontal fixing frame 5242 is for being connected with the rear plate of cabinet air-conditioner.
Vertical support frame 5241 comprises bottom bar 5241b and vertical rod 5241c.The quantity of vertical rod 5241c is two, and is vertically connected on bottom bar 5241b.Motor holding part 5241a is formed between two vertical rod 5241c.The two ends of bottom bar 5241b are extended with the first fixed tab 5241d, and the first fixed tab 5241d is formed with the first screw 5241e, and the first screw 5241e is used for, with screw fit, bottom bar 5241b is fixed to chassis.
Vertical support frame 5241 also comprises central sill 5241f and back timber 5241g.Central sill 5241f and back timber 5241g is connected between two vertical rod 5241c, and motor holding part 5241a is formed between central sill 5241f and back timber 5241g.
Horizontal fixing frame 5242 is connected with back timber 5241g, and the triangle sheet material for extending back from back timber 5241g.Horizontal fixing frame 5242 is formed with leg-of-mutton groove 5242a.Horizontal fixing frame 5242 comprises flanging 5242b, and flanging 5242b is connected with horizontal fixing frame 5242 one end away from vertical support frame 5241.Flanging 5242a is formed with the second screw 5242c, and the second screw 5242c is used for, with screw fit, horizontal fixing frame 5242 is fixed on rear plate 12.
Motor holding part 5241a is the arc notch 5241h be formed on two vertical rod 5241c, and arc notch 5241h mates with the body shape of motor 5212, for accommodating body.Motor 5212 also comprises from the outward extending fixed tab 5252a of motor body.Fixed tab 5252a is formed with the 3rd screw, and two vertical rod 5241c are formed with the four screw 5241i corresponding with the 3rd screw.3rd screw is used for coordinating with the 4th screw 5241i and motor 5212 is fixed on motor holding part 5241a by screw fit.
The motor shaft of motor 5212 coordinates with the center hole of wheel hub 5211a, to drive centrifugal wind wheel 5211 to rotate when motor 5212 starts.Be provided with central diaphragm 522 between motor 5212 and centrifugal wind wheel 5211, central diaphragm 522 is vertically connected on base 11.
Fan system also comprises spiral case 5231.
Please refer to the drawing 11-12, spiral case 5231 comprises snail shape portion 5231a and outlet section 5231b.Snail shape portion 5231a is for accommodating centrifugal wind wheel 5211, and snail shape portion 5231a forms rear air inlet 5231c.Outlet section 5231b is formed at the both sides of snail shape portion 5231a, and each outlet section 5231b is formed with the front air outlet 5231h be communicated with snail shape portion 5231a.
Snail shape portion 5231a comprises header board 5231d and the first side plate 5231e.First side plate 5231e extends back from the edge of header board 5231d.Header board 5231d comprises central part 5231f and snail tongue 5231g, and central part 5231f is substantially rounded, snail tongue 5231g centrally tangentially the stretching out of portion 5231f.The width of snail tongue 5231g is greater than the radius of central part 5231f.
The rear end that spiral case 5231 also comprises snail shape portion 5231a forms outside flanging 5231k.The external frame of flanging 5231k is substantially rectangular, and size is substantially identical with the diameter of central part 5231f, and the length of flanging 5231k is substantially identical with outlet section 5231b.Flanging 5231k is formed with the screw for installing.
The second side plate 5231j that the edge that outlet section 5231b comprises rectangular base plate 5231i and the base plate 5231i extended from flanging extends forward.The connection mouth of snail tongue 5231g connection is formed near the second side plate 5231j of snail tongue 5231g.Front air outlet 5231h is formed at the second side plate 5231j front end.The first arc guide face 5231p is formed between base plate 5231i and the second side plate 5231j away from snail shape portion 5231a.The joint of the first side plate 5231e and the second side plate 5231j is formed with the second arc guide face 5231q.
Spiral case 5231 also comprises air-ducting ring 5231l, and air-ducting ring 5231l is arranged at rear air inlet 5231c place.Air-ducting ring 5231l comprises the first ring segment 5231m and the first annular guide plate 5231n.First annular guide plate 5231n from the first ring segment 5231m forward and the extension that curves inwardly form.Air-ducting ring 5231l and wind scooper 5211i is coaxially arranged, and the first annular guide plate 5231n stretches into the second annular guide plate 5211k.
Front air outlet 5231h is two, communicates respectively with lower-left air blowing opening 1421 and bottom right air blowing opening 1422.
In the description of this specification, specific features, structure, material or feature that the description of reference term " mode of execution ", " some mode of executions ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described mode of execution or example are contained at least one mode of execution of the present utility model or example.In this manual, identical mode of execution 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 mode of execution or example.
Although illustrate and described mode of execution of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these mode of executions when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (8)
1. a centrifugal wind wheel, is characterized in that, comprising:
Wheel hub; And
Multiple blades that direction from described wheel hub along the rotating shaft being parallel to described centrifugal wind wheel extends back, the parabolically radial arrangement of described multiple blade, the rear end profile line of each described blade comprises the first arcuate segment of outwards extending back from described rotating shaft thus form Ji Fengqu between described multiple blade.
2. centrifugal wind wheel as claimed in claim 1, is characterized in that, the front end profile line of each described blade comprises the second arcuate segment of outwards extending forward from described rotating shaft thus form reduced-pressure zone between described multiple blade.
3. centrifugal wind wheel as claimed in claim 2, it is characterized in that, the front end profile line of each described blade also comprises that be connected with described first arcuate segment, outward extending first straightway, and the rear end profile line of rear each described blade also comprises that be connected with described second arc tips, outward extending second straightway.
4. centrifugal wind wheel as claimed in claim 3, it is characterized in that, the radial length of described first arcuate segment and described second arcuate segment is substantially identical, and the radial distance of described first straightway and described second straightway is substantially identical.
5. centrifugal wind wheel as claimed in claim 2, it is characterized in that, described wheel hub is the sheet material of the contoured fit of the front end of shape and described blade, and the front end of described blade is connected with described wheel hub.
6. centrifugal wind wheel as claimed in claim 1, it is characterized in that, described centrifugal wind wheel comprises the wind scooper being arranged at described blade rear end, and described wind scooper comprises the second annular lamina and from described second ring segment inwardly and backward bending the second annular guide plate extended.
7. centrifugal wind wheel as claimed in claim 6, it is characterized in that, the external diameter of described wind scooper is less than the external diameter of described blade, and the internal diameter of described wind scooper is greater than the external diameter of described Ji Fengqu.
8. centrifugal wind wheel as claimed in claim 7, its feature is being, the spiral case be arranged at outside described centrifugal wind wheel includes air-ducting ring, described air-ducting ring comprise the first ring segment and from described first ring segment forward and curve inwardly extend the first annular guide plate, described air-ducting ring and described wind scooper are coaxially arranged, and described first annular guide plate stretches into described second annular guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282085.7U CN204783827U (en) | 2015-04-30 | 2015-04-30 | Centrifugal air wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282085.7U CN204783827U (en) | 2015-04-30 | 2015-04-30 | Centrifugal air wheel |
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| Publication Number | Publication Date |
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| CN204783827U true CN204783827U (en) | 2015-11-18 |
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| CN201520282085.7U Active CN204783827U (en) | 2015-04-30 | 2015-04-30 | Centrifugal air wheel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929977A (en) * | 2015-04-30 | 2015-09-23 | 广东美的制冷设备有限公司 | Centrifugal wind wheel |
| WO2019179055A1 (en) * | 2018-03-20 | 2019-09-26 | 中山大洋电机股份有限公司 | Wind rotor and blower using same |
-
2015
- 2015-04-30 CN CN201520282085.7U patent/CN204783827U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929977A (en) * | 2015-04-30 | 2015-09-23 | 广东美的制冷设备有限公司 | Centrifugal wind wheel |
| WO2019179055A1 (en) * | 2018-03-20 | 2019-09-26 | 中山大洋电机股份有限公司 | Wind rotor and blower using same |
| US11371524B2 (en) | 2018-03-20 | 2022-06-28 | Zhongshan Broad-Ocean Motor Co., Ltd. | Windmill and blower comprising the same |
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