CN103644143A - Air purifying machine and fan thereof - Google Patents
Air purifying machine and fan thereof Download PDFInfo
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- CN103644143A CN103644143A CN201310697854.5A CN201310697854A CN103644143A CN 103644143 A CN103644143 A CN 103644143A CN 201310697854 A CN201310697854 A CN 201310697854A CN 103644143 A CN103644143 A CN 103644143A
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Abstract
The invention discloses an air purifying machine and a fan thereof, and provides a fan. The fan comprises a housing, an impeller mounted in the housing, a motor driving the impeller to rotate and an air guiding device which surrounds the periphery of the impeller and is located in the housing, wherein the impeller comprises a plurality of blades which are all distributed on a first circle and rotate and incline in a first clock direction; the air guiding device comprises a plurality of air guiding pieces which are all distributed on a second circle and rotate and incline in a second clock direction; the second circle is located outside the first circle and concentric with the first circle; and a plurality of air outlets are formed between adjacent air guiding pieces, and a plurality of exhaust outlets are formed in the periphery, corresponding to the air outlets, of the housing. The invention further provides the air purifying machine, and the housing is mounted at the top of a casing. By means of the fan, a volute with a larger size is removed, the air guiding pieces with smaller sizes are adopted, the plurality of air outlets are formed between adjacent air guiding pieces, so that air flows are equally distributed through the plurality of air outlets, then pass the air outlets and are uniformly discharged through the exhaust outlets in the housing, the air pressure is reduced, the air speed becomes more appropriate and meets requirements of a human body, and air outlet amount is increased.
Description
Technical field
The invention belongs to air purification field, relate in particular to a kind of blower fan and apply the air cleaner of this blower fan.
Background technique
Refer to Fig. 1, common air cleaner 100 comprises fore shell 101 and back cover 102, fore shell 101 and the common containing space that forms of back cover 102, the purification plant 103 of air cleaner 100 and blower fan 104 are installed in this containing space, purification plant 103 and blower fan 104 lay respectively at top and the bottom of this containing space, blower fan 104 comprises impeller, the motor of drives impeller and spiral case 105, this spiral case 105 offers an exhaust outlet 106, this exhaust outlet 106 is over against described purification plant 103, impeller rotates under motor drives, and air-flow is sent into purification plant 103 by exhaust outlet 106, air-flow is sent into indoor after the purification of purification plant 103.
The air-flow of bringing into due to wheel rotation only concentrates on an exhaust outlet 106, blast is larger, the air-flow of being discharged by the exhaust outlet 106 of spiral case 105 is patted on purification plant 103, can produce larger noise, in addition, after the air-flow that blast is larger is discharged by this air cleaning unit 103, its wind speed is larger, this air-flow blows on the indoor person, can allow indoor people feel uncomfortable, and, this air cleaner 100 is because blower fan 104 only has an exhaust outlet 106, air output is little, makes indoor people feel that wind is less, is not enough to meet the demand of air purification.The air-flow that larger 105 pairs of wheel rotation of spiral case of employing of this air cleaner 100 are brought into carries out afflux and discharges, and the shared volume of spiral case 105 is larger, makes the volume of this air cleaner 100 larger.
Summary of the invention
The object of the present invention is to provide a kind of blower fan, be intended to solve the blower fan existing in prior art be applied in air cleaner and make the noise of air cleaner large, air-out speed is fast, air output is inadequate and bulky problem.
The present invention realizes like this, a kind of blower fan, it comprises case, be installed on the impeller in described case and drive the motor of described wheel rotation, described blower fan also comprises the wind-guiding device that is located in the peripheral of described impeller and is positioned at described case, described impeller comprises that being arranged in same the first circle above and along the first clockwise rotates some blades of inclination, described wind-guiding device comprises that being arranged in same the second circle the second clockwise upper and that edge is contrary with described the first clockwise rotates some air guide members of inclination, described second circle be positioned at described first circle outside and described second circle with described first circle concentric, between adjacent described air guide member, form an exhaust outlet, described some air guide members form some described exhaust outlets between adjacent described air guide member, and the periphery of described case offers some exhaust ports corresponding to described exhaust outlet.
Blower fan of the present invention is limited to wind-guiding device in one case, and do not need spiral case as wind guide component, but the larger spiral case of volume is removed, adopt some air guide members that are located in impeller periphery of small volume, between all air guide members, form some exhaust outlets, the air-flow of bringing into by some exhaust outlet mean allocation impellers, then by these exhaust outlets, by the exhaust port on case, evenly discharged again, blast reduces, the wind speed more suitable human body needs that become, by some air guide members, be located in the periphery of impeller, under the prerequisite of volume that does not at least increase blower fan, increased the quantity of exhaust outlet, improved air output, meet the demand of people to air purification.
Further, described in each, air guide member is guide vane in the form of sheets, and described in each, guide vane has wind inlet end and outlet air end, and the wind inlet end of some described guide vanes is all positioned on same round line, and the outlet air end of some described guide vanes is all positioned on same round line.
Further, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is all identical, and between the vertical line of the line described in each between the center of circle of the described outlet air end of guide vane and described second circle at this guide vane place and the direction that this guide vane place tilts, formed acute angle is all identical.
Further, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle scope is 5-20 degree, and between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described outlet air end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle scope is 36-45 degree.
Preferably, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is 10 degree, and between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described outlet air end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is 38 degree.
Or, described in each, air guide member comprises that the first guide vane, the second guide vane and arc are connected in the transition guide vane between described the first guide vane and described the second guide vane, described the first air guide member has the first wind inlet end and the first outlet air end, and described the second guide vane comprises the second wind inlet end and the second outlet air end; One end of described transition guide vane is connected in the first wind inlet end of described the first guide vane, the other end is connected in the second wind inlet end of described the second guide vane, the first wind inlet end of described first air guide member of all described air guide members is positioned on same the first circle line, the second wind inlet end of described second air guide member of all described air guide members is positioned on same the second circle line, and described the second circle line is positioned at outside described the first circle line with concentric and described the second circle line of a described circle line.
Further, between the vertical line of line described in each between the center of circle of described second circle at the first wind inlet end of described first guide vane of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle scope is 5-20 degree, between the vertical line of line described in each between the center of circle of described second circle at the first outlet air end of described first air guide member of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle scope is 36-45 degree, between the vertical line of line described in each between the center of circle of described second circle at the second wind inlet end of described second guide vane of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle scope is 5-20 degree, between the vertical line of line described in each between the center of circle of described second circle at the second outlet air end of described second air guide member of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle scope is 36-45 degree.
Preferably, between the vertical line of line described in each between the center of circle of described second circle at the first wind inlet end of described first guide vane of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle is 16 degree, between the vertical line of line described in each between the center of circle of described second circle at the first outlet air end of described first air guide member of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle is 45 degree, between the vertical line of line described in each between the center of circle of described second circle at the second wind inlet end of described second guide vane of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle is 12 degree, between the vertical line of line described in each between the center of circle of described second circle at the second outlet air end of described second air guide member of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle is 42 degree.
Further, described in each, described first outlet air end of described first guide vane of air guide member extends to the periphery of described case, and described in each, described second outlet air end of described second guide vane of air guide member extends to the periphery of described case.
Another object of the present invention is to provide a kind of air cleaner, it comprises housing, is arranged at purification plant and blower fan in described housing, and described blower fan is arranged at the top of described housing, and described case is installed on the top of described housing.
Blower fan of the present invention is arranged at the top of the housing of air cleaner, air-flow is entering in blower fan in housing after purification plant purifies again, by a plurality of exhaust outlets of blower fan, discharged again the large problem of noise of having avoided blower fan of the prior art to bring towards purification plant blowing.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the air cleaner that provides of prior art.
Fig. 2 is the stereogram of the air cleaner that provides of first embodiment of the invention.
Fig. 3 is the sectional view of the air cleaner of Fig. 2.
Fig. 4 is the three-dimensional exploded view of blower fan of the air cleaner of Fig. 2.
Fig. 5 is the front view of blower fan of the air cleaner of Fig. 4, has wherein removed case.
Fig. 6 and Fig. 5 are identical views.
Fig. 7 is the view of removing some air guide members in Fig. 6.
Fig. 8 is the three-dimensional exploded view of the air cleaner that provides of second embodiment of the invention.
Fig. 9 is the front view of blower fan of the air cleaner of Fig. 8, has wherein removed case.
Figure 10 shows the schematic diagram that moves towards of air-flow.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 2 to Fig. 5, the air cleaner 10 that first embodiment of the invention provides comprises housing 11, is arranged at purification plant 12 and blower fan 13 in described housing 11, and described blower fan 13 is arranged at the top of described housing 11.
Described blower fan 13 comprises case 14, the motor 16 that is installed on the impeller 15 in described case 14 and drives described impeller 15 to rotate, described blower fan 13 also comprises the wind-guiding device 17 that is located in the peripheral of described impeller 15 and is positioned at described case 14, described impeller 15 comprises that being arranged in same the first circle (not indicating) above and along the first clockwise rotates some blades 18 of inclination, described wind-guiding device 17 comprises that being arranged in same the second circle (not indicating) the second clockwise upper and that edge is contrary with described the first clockwise rotates some air guide members 19 of inclination, described second circle be positioned at described first circle outside and described second circle with described first circle concentric, between adjacent described air guide member 19, form an exhaust outlet 20, described some air guide members 19 form some described exhaust outlets 20 between adjacent described air guide member 19, and the periphery of described case 14 offers some exhaust ports 21 corresponding to described exhaust outlet 20.Described case 14 is installed on the top of described housing 11
On described housing 11, offer intake grill (not shown), air-flow is entered in housing 11 by this intake grill, and enters blower fan 13 inside through the purification of purification plant 12 is laggard, and then several exhaust outlets 20 by blower fan 13 are expelled to indoor.
The bottom of the corresponding described blower fan 13 of described housing 11 offers some ventilated port (not shown), and the existence of this ventilated port makes air-flow after purification plant 12 purifies by this ventilated port, be entered impeller 15 places of blower fan 13.
Please again consult Fig. 4 and Fig. 5, described in each, air guide member 19 comprises that the first guide vane 22, the second guide vane 23 and arc are connected in the transition guide vane 24 between described the first guide vane 22 and described the second guide vane 23.
Described the first guide vane 22 has the first wind inlet end 25 and the first outlet air end 26, and described the second guide vane 23 comprises the second wind inlet end 27 and the second outlet air end 28.One end of described transition guide vane 24 is connected in the first wind inlet end 25 of described the first guide vane 22, and the other end is connected in the second wind inlet end 27 of described the second guide vane 23.The first wind inlet end 25 of described first air guide member 19 of all described air guide members 19 is positioned on same the first circle line 29, the second wind inlet end 27 of described second air guide member 19 of all described air guide members 19 is positioned on same the second circle line 30, and described the second circle line 30 is positioned at outside described the first circle line 29 with concentric and described the second circle line 30 of described the first circle line 29.
Please refer to Fig. 6, in the present embodiment, between the vertical line of line described in each between the center of circle of described second circle at the first wind inlet end 25 of described first guide vane 22 of air guide member 19 and these the first guide vane 22 places and the true dip direction at these the first guide vane 22 places, formed sharp angle α scope is 5-20 degree, and the Inlet cone angle α scope of the first guide vane 22 is 5-20 degree.Between the vertical line of line described in each between the center of circle of described second circle at the first outlet air end 26 of described first air guide member 19 of air guide member 19 and these the first guide vane 22 places and the true dip direction at these the first guide vane 22 places, formed acute angles beta scope is 36-45 degree, and the exit angle β scope of the first guide vane 22 is 36-45 degree.Between the vertical line of line described in each between the center of circle of described second circle at the second wind inlet end 27 of described second guide vane 23 of air guide member 19 and these the second guide vane 23 places and the true dip direction at these the second guide vane 23 places, formed acute angle gamma scope is 5-20 degree, and the Inlet cone angle γ scope of the second guide vane 23 is 5-20 degree.Between the vertical line of line described in each between the center of circle of described second circle at the second outlet air end 28 of described second air guide member 19 of air guide member 19 and these the second guide vane 23 places and the true dip direction at these the second guide vane 23 places, formed internal acute angle delta scope is 36-45 degree, and the exit angle δ scope of the second guide vane 23 is 36-45 degree.
Preferably, between the vertical line of line described in each between the center of circle of described second circle at the first wind inlet end 25 of described first guide vane 22 of air guide member 19 and these the first guide vane 22 places and the true dip direction at these the first guide vane 22 places, formed sharp angle α is 16 degree, and the Inlet cone angle of the first guide vane 22 is 16 degree.Between the vertical line of line described in each between the center of circle of described second circle at the first outlet air end 26 of described first air guide member 19 of air guide member 19 and these the first guide vane 22 places and the true dip direction at these the first guide vane 22 places, formed acute angles beta is 45 degree, and the exit angle β of the first guide vane 22 is 45 degree.Between the vertical line of line described in each between the center of circle of described second circle at the second wind inlet end 27 of described second guide vane 23 of air guide member 19 and these the second guide vane 23 places and the true dip direction at these the second guide vane 23 places, formed acute angle gamma is 12 degree, and the Inlet cone angle γ of the second guide vane 23 is 12 degree.Between the vertical line of line described in each between the center of circle of described second circle at the second outlet air end 28 of described second air guide member 19 of air guide member 19 and these the second guide vane 23 places and the true dip direction at these the second guide vane 23 places, formed internal acute angle delta is 42 degree, and the exit angle δ of the second guide vane 23 is 42 degree.
Wherein between the second guide vane 23 of an air guide member 19 and the first guide vane 22 of adjacent air guide member 19, formed acute angle scope is 15-45 degree.Wherein between the second guide vane 23 of an air guide member 19 and the first guide vane 22 of adjacent air guide member 19, formed exhaust outlet 20 is flaring shape.
Further, described in each, described first outlet air end 26 of described first guide vane 22 of air guide member 19 extends to the periphery of described case 14, described in each, described second outlet air end 28 of described second guide vane 23 of air guide member 19 extends to the periphery of described case 14, thus, air guide member 19 makes full use of the space in case 14, increase the length in air-out air channel, reach the object of better wind-guiding.
In the present embodiment, described blower fan 13 also comprises that mounting plate 31, described motor 16 and described impeller 15 are installed on the relative both sides of described mounting plate 31, and the output shaft of motor 16 is installed through this mounting plate 31 and impeller 15, with the rotation of drives impeller 15.The corresponding described impeller 15 of described mounting plate 31 offers port, makes under the driving of motor 16, and the rotation meeting of impeller 15 is brought air-flow in impeller 15 into, then by the exhaust outlet 20 forming between adjacent air guide member 19, is expelled to indoor.
Each air guide member 19 at right angle settings are in the outer part of described mounting plate 31.The Outside Dimensions of the Outside Dimensions of described mounting plate 31 and described case 14 adapts, and mounting plate 31 is installed together with described case 14, and impeller 15 and air guide member 19 covers are established in it.
Please refer to Fig. 7, in the present embodiment, the dimensional parameters of the impeller 15 that described air cleaner 10 uses is as follows: wheel blade diameter D:250mm, inlet diameter d:200mm, Inlet cone angle σ: 40 degree, exit angle ρ: 50 degree, wheel blade height h:80mm, blade 18 quantity: 36, said wheel blade height refers to the length of blade 18 here.For wheel blade diameter D, set according to the size that can allow for 14 times at identical case with inlet diameter d, not necessarily as the dimensional parameters of the present embodiment.Similarly, Inlet cone angle σ and exit angle ρ can be according to requiring to set at air quantity, not necessarily as the dimensional parameters of the present embodiment.
In the present embodiment, the quantity of the exhaust outlet 20 of blower fan 13 is four, and understandably, in other embodiments, the quantity of the exhaust outlet 20 of blower fan 13 can increase, the quantity of arranging of corresponding increase air guide member 19.
Please refer to Fig. 8 and Fig. 9, the air cleaner 10 that the air cleaner 40 that second embodiment of the invention provides and the first embodiment provide is roughly the same, and its difference is as follows:
Described in each, air guide member 19 is guide vane in the form of sheets, described in each, guide vane has wind inlet end 41 and outlet air end 42, the wind inlet end 41 of some described guide vanes is all positioned on same the first circle line 43, and the outlet air end 42 of some described guide vanes is all positioned on same the second circle line 44.
Further, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end 41 of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is all identical, and between the vertical line of the line described in each between the center of circle of the described outlet air end 42 of guide vane and described second circle at this guide vane place and the direction that this guide vane place tilts, formed acute angle is all identical.
Further, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end 41 of guide vane and this guide vane place and this guide vane place tilt, formed acute angle ω scope is 5-20 degree, and the Inlet cone angle ω scope of guide vane is 5-20 degree; Formed acute angle between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described outlet air end 42 of guide vane and this guide vane place and this guide vane place tilt
scope is 36-45 degree, i.e. the exit angle of guide vane
scope is 36-45 degree.
Preferably, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end 41 of guide vane and this guide vane place and this guide vane place tilt, formed acute angle ω is 10 degree, and the Inlet cone angle ω of guide vane is 10 degree; Formed acute angle between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described outlet air end 42 of guide vane and this guide vane place and this guide vane place tilt
be 38 degree, i.e. the exit angle of guide vane
be 38 degree.
In the present embodiment, described in each, the diameter of first of guide vane place the circle line 43 is 270mm, described in each, the diameter of second of guide vane place the circle line 44 is 340mm, described in each, the height of guide vane is 100mm, here the height of said guide vane refers to the length of guide vane, and the quantity of applied guide vane is 15.
Understandably, the sheet number of specifically arranging of guide vane and size can decide according to the interior described space that can arrange guide vane of case 14.
In the present embodiment, the quantity of the exhaust outlet 20 of blower fan 13 is more than four, the air-flow that impeller 15 is brought into is discharged by exhaust outlet 20 more equably, be appreciated that, the exhaust port 21 of case 14 is also distributed in the periphery of case 14, so that the air-flow of being discharged by exhaust outlet 20 is discharged to indoor by exhaust port 21 again.
In the various embodiments described above (comprising the first embodiment and the second embodiment) of blower fan 13 of the present invention, blower fan 13 adopts the respective outer side edges impeller 15 of air guide member 19 to complete the distribution of air-flow, in related domain, for the impeller 15 existing in prior art and coordinating of spiral case, realize the distribution of air-flow, because the design of spiral case is to have certain design specification, for same impeller 15, adopt the volume that the spiral case of an exhaust outlet can be more shared than 13 li of air guide members that use 19 of blower fan of the present invention large, therefore, blower fan 13 of the present invention adopts the design of air guide member 19 that the volume of whole blower fan 13 is reduced, and then whole air cleaner 10, 40 volume is corresponding reducing also.
Above-mentioned each embodiment's air cleaner 10,40 adopts air guide member 19 to coordinate impeller 15 to realize the design of a plurality of exhaust outlets 20, the air output of blower fan 13 is increased, although, now air output increases or how can lack the blast that all can reduce exhaust outlet 20, but for air cleaner 10,40, the blast increasing after air output is enough used.
In order to describe better useful suburb of the present invention fruit, to the blower fan 13(that has an air guide member 19 the second embodiment as shown in Figure 9) and the test comparison of carrying out without the blower fan (as shown in Figure 7) of air guide member, specific as follows:
Environmental conditions: temperature: 27 ℃; Humidity: 71%.
Testing location: technology experiment chamber
Test instrument: frequency-voltage stabilized power source, electronics Air Flow Rate Instrument, draft gauge, JH11 clearing machine 1 (220V/50Hz),, noise meter, wherein, impeller 15 parameters that JH11 air cleaner is used are wheel blade diameter: 250mm; Inlet diameter: 200mm; Inlet cone angle: 40 degree; Exit angle: 50 degree; Wheel blade height: 80mm; Blade 18 quantity: the parameter of the air guide member 19 in the second embodiment that 36, JH11 air cleaner is used is as follows: described in each, the diameter of first of guide vane place the circle line 43 is 270mm; Described in each, the diameter of second of guide vane place the circle line 44 is 340mm; Described in each, the length of guide vane is 100mm, and the quantity of applied guide vane is 15, and the Inlet cone angle of guide vane is 10 degree, and the exit angle of guide vane is 38 degree.
Testing procedure:
Lead to 220V under the condition without inducer JH11 clearing machine, 50HZ power supply, tests corresponding motor 16 power, motor 16 rotating speeds, air output.And be recorded to corresponding form.
To clearing machine, load onto air guide member 19, adjust input voltage, make motor speed consistent with the motor speed of the test without inducer, the power of motor of test under this condition, air output.And be recorded to corresponding form.
Test data is as follows:
| Test event | Without inducer | There is inducer |
| Motor speed (RPM) | 1588 | 1588 |
| Power of motor (W) | 132 | 135 |
| Air output (m/h) | 410 | 490 |
| Noise (dB) | 67 | 69 |
Test result:
After using air guide member 19, the air output of blower fan 13 is not than having the air output of the blower fan of air guide member to promote 20%, and electric efficiency has promoted 16.8%, and wherein electric efficiency is the percent value of motor air output and power of motor.
In order to describe better useful suburb of the present invention fruit, to the blower fan 13(that has an air guide member 19 the first embodiment as shown in Figure 5) and the test comparison of carrying out without the blower fan (as shown in Figure 7) of air guide member, specific as follows:
Testing location: technology experiment chamber
Environmental conditions: temperature: 27 ℃; Humidity: 71%
Test instrument: frequency-voltage stabilized power source, electronics Air Flow Rate Instrument, draft gauge, JH11 air cleaner 101 (220V/50Hz), noise meters, wherein, impeller 15 parameters that JH11 air cleaner is used are wheel blade diameter: 250mm; Inlet diameter: 200mm; Inlet cone angle: 40 degree; Exit angle: 50 degree; Wheel blade height: 80mm; Blade 18 quantity: it is the air guide member 19 in the first embodiment that 36, JH11 air cleaner is used air guide member 19.
Testing procedure:
Under the condition without air guide member.Give JH11 air cleaner logical upper 220V, 50HZ power supply, tests corresponding power of motor, motor speed, and air output, noise, and be recorded to corresponding form.
Load onto 4 air guide members 19 to JH11 air cleaner, adjust input voltage, until motor speed is with consistent without the motor speed of air guide member test, test the power of motor under this condition, air output, noise, and be recorded to corresponding form.
Test data is as follows:
| Test event | Without inducer | There is inducer |
| Motor speed (RPM) | 1588 | 1588 |
| Power of motor (W) | 132 | 131.5 |
| Air output (m/h) | 410 | 480 |
| Noise (dB) | 67 | 69 |
Test result:
When using 4 air guide members 19, have 4 exhaust outlets 20, the air output of blower fan 13 promotes 17%, and electric efficiency promotes 17.5% left and right.
Above-mentioned two groups of laboratory datas are all to test ground for concrete impeller, and concrete impeller 15 parameters are wheel blade diameter: 250mm; Inlet diameter: 200mm; Inlet cone angle: 40 degree; Exit angle: 50 degree; Wheel blade height: 80mm; Blade 18 quantity: 36, but wheel blade diameter D can set according to the size that can allow for 14 times at identical case with inlet diameter d, designed dimensional parameters not necessarily as in above-mentioned two groups of experiments.Similarly, Inlet cone angle σ and exit angle ρ can be according to requiring to set at air quantity, the dimensional parameters not necessarily as in above-mentioned two groups of experiments.In specific experiment process, also for different impeller size, to test, its test data and test result are suitable with above-mentioned two groups of laboratory datas, at this, do not add and repeat.
Please refer to Figure 10, when those of ordinary skill in the art sees Figure 10, can assume as a matter of course and think that air-flow direction when leaving blade 18 outer ring of impeller 15 changes, actual is because impeller 15 is rotating, so the air-flow in impeller 15 has a relative circular movement with the air-flow outside impeller 15, this wind-guiding mode after both direction stack is suitable.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a blower fan, it comprises case, be installed on the impeller in described case and drive the motor of described wheel rotation, it is characterized in that: described blower fan also comprises the wind-guiding device that is located in the peripheral of described leaf impeller and is positioned at described case, described impeller comprises that being arranged in same the first circle above and along the first clockwise rotates some blades of inclination, described wind-guiding device comprises that being arranged in same the second circle the second clockwise upper and that edge is contrary with described the first clockwise rotates some air guide members of inclination, described second circle be positioned at described first circle outside and described second circle with described first circle concentric, between adjacent described air guide member, form an exhaust outlet.Described some air guide members form some described exhaust outlets between adjacent described air guide member, and the periphery of described case offers some exhaust ports corresponding to described exhaust outlet.
2. blower fan as claimed in claim 1, it is characterized in that: described in each, air guide member is guide vane in the form of sheets, described in each, guide vane has wind inlet end and outlet air end, and the wind inlet end of some described guide vanes is all positioned on same round line, and the outlet air end of some described guide vanes is all positioned on same round line.
3. blower fan as claimed in claim 2, it is characterized in that: between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is all identical, between the vertical line of the line described in each between the center of circle of the described outlet air end of guide vane and described second circle at this guide vane place and the direction that this guide vane place tilts, formed acute angle is all identical.
4. blower fan as claimed in claim 3, it is characterized in that: between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle scope is 5-20 degree, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described outlet air end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle scope is 36-45 degree.
5. blower fan as claimed in claim 4, it is characterized in that: between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described wind inlet end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is 10 degree, between the direction that the vertical line of the line described in each between the center of circle of described second circle at the described outlet air end of guide vane and this guide vane place and this guide vane place tilt, formed acute angle is 38 degree.
6. blower fan as claimed in claim 1, it is characterized in that: described in each, air guide member comprises that the first guide vane, the second guide vane and arc are connected in the transition guide vane between described the first guide vane and described the second guide vane, described the first guide vane has the first wind inlet end and the first outlet air end, and described the second guide vane comprises the second wind inlet end and the second outlet air end; One end of described transition guide vane is connected in the first wind inlet end of described the first guide vane, the other end is connected in the second wind inlet end of described the second guide vane, the first wind inlet end of described first air guide member of all described air guide members is positioned on same the first circle line, the second wind inlet end of described second air guide member of all described air guide members is positioned on same the second circle line, and described the second circle line is positioned at outside described the first circle line with concentric and described the second circle line of a described circle line.
7. blower fan as claimed in claim 6, it is characterized in that: between the vertical line of line described in each between the center of circle of described second circle at the first wind inlet end of described first guide vane of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle scope is 5-20 degree, between the vertical line of line described in each between the center of circle of described second circle at the first outlet air end of described first air guide member of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle scope is 36-45 degree, between the vertical line of line described in each between the center of circle of described second circle at the second wind inlet end of described second guide vane of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle scope is 5-20 degree, between the vertical line of line described in each between the center of circle of described second circle at the second outlet air end of described second air guide member of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle scope is 36-45 degree.
8. blower fan as claimed in claim 7, it is characterized in that: between the vertical line of line described in each between the center of circle of described second circle at the first wind inlet end of described first guide vane of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle is 16 degree, between the vertical line of line described in each between the center of circle of described second circle at the first outlet air end of described first air guide member of air guide member and this first guide vane place and the true dip direction at this first guide vane place, formed acute angle is 45 degree, between the vertical line of line described in each between the center of circle of described second circle at the second wind inlet end of described second guide vane of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle is 12 degree, between the vertical line of line described in each between the center of circle of described second circle at the second outlet air end of described second air guide member of air guide member and this second guide vane place and the true dip direction at this second guide vane place, formed acute angle is 42 degree.
9. blower fan as claimed in claim 6, it is characterized in that: described in each, described first outlet air end of described first guide vane of air guide member extends to the periphery of described case, described in each, described second outlet air end of described second guide vane of air guide member extends to the periphery of described case.
10. an air cleaner, it comprises housing and is arranged at the purification plant in described housing, it is characterized in that: described air cleaner also comprises the blower fan as described in claim 1-9 any one, and described blower fan is arranged at the top of described housing, and described case is installed on the top of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697854.5A CN103644143A (en) | 2013-12-18 | 2013-12-18 | Air purifying machine and fan thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697854.5A CN103644143A (en) | 2013-12-18 | 2013-12-18 | Air purifying machine and fan thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103644143A true CN103644143A (en) | 2014-03-19 |
Family
ID=50249408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310697854.5A Pending CN103644143A (en) | 2013-12-18 | 2013-12-18 | Air purifying machine and fan thereof |
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| Country | Link |
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| CN (1) | CN103644143A (en) |
Cited By (8)
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| WO2015089752A1 (en) * | 2013-12-18 | 2015-06-25 | 赵兵 | Air purifier and fan thereof |
| WO2015172386A1 (en) * | 2014-05-16 | 2015-11-19 | 赵兵 | Air purifier and blower thereof |
| CN105333516A (en) * | 2015-07-20 | 2016-02-17 | 深圳奇滨科技开发有限公司 | Air purification device |
| CN106765642A (en) * | 2016-12-28 | 2017-05-31 | 广东美的环境电器制造有限公司 | Air purifier |
| CN107497206A (en) * | 2017-09-14 | 2017-12-22 | 上海赛菲环境科技股份有限公司 | A kind of air purifier |
| CN110566513A (en) * | 2019-09-24 | 2019-12-13 | 珠海格力电器股份有限公司 | Air ducting and air purifier |
| CN110916521A (en) * | 2019-12-09 | 2020-03-27 | 珠海格力电器股份有限公司 | Airflow generation device and oven |
| CN112360762A (en) * | 2020-09-22 | 2021-02-12 | 东风汽车集团有限公司 | Turbocharger |
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Application publication date: 20140319 |