CN107939730A - Through-flow fan blade and air-conditioning - Google Patents
Through-flow fan blade and air-conditioning Download PDFInfo
- Publication number
- CN107939730A CN107939730A CN201711371365.5A CN201711371365A CN107939730A CN 107939730 A CN107939730 A CN 107939730A CN 201711371365 A CN201711371365 A CN 201711371365A CN 107939730 A CN107939730 A CN 107939730A
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- blade
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- game
- flow fan
- angle
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- 238000004378 air conditioning Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of air conditioner parts.Through-flow fan blade, including a steel shaft end wheel, more dry middle wind wheel and a rubber ends impeller, the inner of mid-game are equipped with circular groove；Rubber ends impeller includes wheel disc and rubber axis sleeve assembly, rubber axis sleeve assembly inlays the middle part for being fixed on wheel disc, the diameter of wheel disc and the diameter matches of circular groove, the front end of wheel disc is welded and fixed with circular groove, and rubber ends impeller is fixed on by wheel disc at the circular groove in the mid-game of the middle wind wheel of rearmost end；The angle of the blade pitch angle of arbitrary neighborhood blade is different, and the central angle angle between adjacent blades is different.The through-flow fan blade advantage is structure novelty, and production cost is low, with small vibration, low noise, and outlet air sound is natural.
Description
Technical field
The present invention relates to a kind of air conditioner parts, especially a kind of through-flow fan blade.
Background technology
Through-flow fan blade is one of accessory important in air-conditioning.As shown in Figure 1, existing through-flow fan blade is usually by a steel shaft
End wheel 1, wind wheel 2 and a rubber ends impeller 3 are formed by ultrasonic bonding in several.Steel shaft end wheel 1 is as shown in Fig. 2, bag
Steel shaft disk 11 and metal steel shaft 12 are included, welding groove, steel shaft disk centre embedded with metal steel shaft, steel shaft connection sky are provided with steel shaft disk
Adjust the bearing in air passage.Middle wind wheel 2 circular mid-game 21 and 22 integrated injection molding of more blades as shown in figure 3, be made of, after blade
End is connected as a single entity with circular mid-game front end, and back-end disk is equipped with multiple blades with vane nose shape and quantity Matching in circle
Mounting groove, the vane nose of wind wheel is inserted into the blade mounting groove of previous middle wind wheel in the latter, the middle wind wheel of foremost
In welding groove on vane nose insertion steel shaft disk.Rubber ends impeller 3 is as shown in figure 4, including rubber ends wheel disc 31 and thereon one
The more blades 32 of body injection, vane nose are inserted into the welding groove of rearmost middle wind wheel, inlay rubber among rubber ends wheel disc
Glue sleeve combination part 33, rubber axis sleeve assembly connect the motor of the air-conditioning duct other end, and motor drives whole through-flow fan blade to turn
Dynamic, the connection precision of rubber axis sleeve assembly and rubber ends wheel disc has been largely fixed the concentricity of whole through-flow fan blade,
Vibration, reduction noise and complete machine effect of jitter when being operated for through-flow fan blade is big.Existing for the through-flow fan blade of existing structure
Deficiency is：1. injection mold amount is big, 1 diameter specifications needs 3 secondary injection molds to complete, be respectively steel shaft end wheel mould,
Middle wind turbine mould and rubber ends impeller mold, n diameter specifications need 3n pair injection molds, and production cost is high；2. rubber axle sleeve
The welding positioning accuracy of sub-assembly and rubber ends wheel disc is difficult to control, and is influenced the concentricity of through-flow fan blade, is caused through-flow fan blade to shake
Dynamic and noise is big.In addition, each mid-game blade angle of inclination and identical adjacent blades central angle angle on existing through-flow fan blade
Degree, crossing current fan blade air-flow passes twice through the air pressure height before and after blade, unnatural using the air conditioning exhausting sound of above-mentioned through-flow fan blade,
Blade impacts greatly the same frequency of volute tongue, and fan blade rotational noise is big.
The content of the invention
Insufficient existing for above-mentioned existing through-flow fan blade in order to solve, it is an object of the present invention to provide a kind of outlet air sound
Through-flow fan blade natural, fan blade rotational noise is low；It is a further object to provide the air-conditioning using above-mentioned through-flow fan blade.
In order to realize above-mentioned purpose, present invention employs following technical solution：Through-flow fan blade, including a steel shaft end
Wheel, more dry middle wind wheel and a rubber ends impeller, steel shaft end wheel include steel shaft disk and metal steel shaft, weldering are provided with steel shaft disk
Access slot, metal steel shaft inlay the centre for being fixed on steel shaft disk；Middle wind wheel includes mid-game and the more blades being connected as a single entity with it, often
The middle part of a mid-game is equipped with through hole, and blade rear end is connected as a single entity with mid-game front end, and middle back-end disk is equipped with multiple and vane nose
The blade mounting groove of shape and quantity Matching, the vane nose of wind wheel is inserted into the blade mounting groove of previous middle wind wheel in the latter
In and be welded and fixed, in the welding groove on the vane nose of the middle wind wheel of front end insertion steel shaft disk and be welded and fixed；Mid-game
The inner is equipped with circular groove；Rubber ends impeller includes wheel disc and rubber axis sleeve assembly, and rubber axis sleeve assembly, which inlays, to be fixed on
The middle part of wheel disc, the diameter of wheel disc and the diameter matches of circular groove, front end and the circular groove of wheel disc are welded and fixed, rubber ends
Impeller is fixed on by wheel disc at the circular groove in the mid-game of the middle wind wheel of rearmost end；The blade pitch angle of arbitrary neighborhood blade
Angle it is different, the angle of blade pitch angle is between 2.5 °~7.5 °, and blade pitch angle is blade rear end in mid-game plane
Projection and vane nose be projected in corresponding central angle in mid-game in mid-game plane；Central angle angle between adjacent blades
Degree is different, and the central angle angle of arbitrary neighborhood blade is between 7.5 °~12.5 °, and blade central angle is circumference of the blade in mid-game
On distribution angle.
Preferably, steel shaft disk, mid-game and wheel disc are circular injection molding part.
Preferably, blade is 31-39 pieces.
Preferably, be equipped with the sealing wire that is connected as a single entity with mid-game in circular groove, the front end face of wheel disc is and sealing wire
Matched welding surface, rubber ends impeller and middle wind wheel welding positioning accuracy are high, improve through-flow fan blade concentricity, reduce through-flow fan blade
Vibration during operating, can reduce noise and complete machine shake, improve user experience.
Preferably, being equipped with the second welding groove in circular groove, the front end of wheel disc is equipped with and welding groove matched second
Sealing wire, rubber ends impeller and middle wind wheel welding positioning accuracy are high, through-flow fan blade concentricity are improved, when reducing through-flow fan blade operating
Vibration, can reduce noise and complete machine shake, improve user experience.
A kind of air-conditioning, it is characterised in that including the through-flow fan blade described in claim 1-3.
The through-flow fan blade of above-mentioned technical solution is employed, the inner of mid-game is equipped with circular groove, and rubber ends impeller includes
Wheel disc and rubber axis sleeve assembly, rubber axis sleeve assembly inlay the middle part for being fixed on wheel disc, the diameter and circular groove of wheel disc
Diameter matches, front end and the circular groove of wheel disc be welded and fixed, and rubber ends impeller is fixed on the apoplexy of rearmost end by wheel disc
At circular groove in the mid-game of wheel.Compared with existing through-flow fan blade, the structure and rubber ends of rubber ends impeller are improved
The connection mode of impeller and middle wind wheel, can not only reduce the usage amount of mould, reduce the cost of production, and rubber ends
Impeller improves the welding positioning accuracy of rubber ends impeller, that is, improves the same of through-flow fan blade equivalent to sinking in circular groove
Heart degree is high, therefore reduces vibration when through-flow fan blade operates, and can reduce noise and complete machine shake, improve user experience.
The angle of the blade pitch angle of arbitrary neighborhood blade is different, and the angle of blade pitch angle is between 2.5 °~7.5 °, reduces crossing current
Fan blade air-flow passes twice through the draught head before and after blade, makes air-flow smooth fluctuation, using the air conditioning exhausting sound of the through-flow fan blade
It is more naturally comfortable.Central angle angle between adjacent blades is different, and the central angle angle of arbitrary neighborhood blade is 7.5 °~
Between 12.5 °, using not decile angle of distribution arrangement adjacent blades, upset adjacent blades and the same frequency of volute tongue is impacted, reduce fan blade
Rotational noise.The through-flow fan blade advantage is structure novelty, and production cost is low, with small vibration, low noise, and outlet air sound is natural.
Brief description of the drawings
Fig. 1：The schematic diagram of existing through-flow fan blade in background technology.
Fig. 2：The schematic diagram of existing steel shaft end wheel in background technology.
Fig. 3：The schematic diagram of existing middle wind wheel in background technology.
Fig. 4：The schematic diagram of existing rubber ends impeller in background technology.
Fig. 5：The schematic diagram of the through-flow fan blade of the embodiment of the present invention.
Fig. 6：The schematic diagram of the steel shaft end wheel of the embodiment of the present invention.
Fig. 7：The diagrammatic cross-section of the middle wind wheel of the embodiment of the present invention.
Fig. 8：The schematic diagram one of the middle wind wheel of the embodiment of the present invention.
Fig. 9：The schematic diagram of the rubber ends impeller of the embodiment of the present invention.
Figure 10：The schematic diagram two of the middle wind wheel of the embodiment of the present invention.
Figure 11：The schematic diagram three of the middle wind wheel of the embodiment of the present invention.
Embodiment
One is done in detail to the embodiment of the present invention with reference to Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11
Thin explanation.
Embodiment 1
Through-flow fan blade as shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, including it is steel shaft end wheel 4, how dry
A middle wind wheel 5 and a rubber ends impeller 6.
Steel shaft end wheel 4 includes steel shaft disk 41 and metal steel shaft 42, and welding groove 43, metal steel shaft 42 are provided with steel shaft disk 41
Inlay in the centre of steel shaft disk 41, metal steel shaft 42 is used to connect the bearing in air-conditioning duct.
Middle wind wheel 5 includes mid-game 51 and the more blades 52 that are connected as a single entity with it, and blade 52 is 31-39 pieces, after blade 52
End is connected as a single entity with 51 front end integrated injection molding of mid-game, and the middle part of each mid-game 51 is equipped with through hole 54,51 card of mid-game it is interior
End is equipped with circular groove 53, and circular groove 53 is in step-like.51 rear end of mid-game is equipped with multiple and 52 front end geometry sum number of blade
Flux matched blade mounting groove 56,52 front end of blade of wind wheel is inserted into the blade mounting groove 56 of previous middle wind wheel in the latter
And fixed by ultrasonic bonding, in the welding groove 43 on 52 front end of the blade insertion steel shaft disk of the middle wind wheel of front end and weld
It is fixed.
The angle of the blade pitch angle A of any adjacent blades is different in mid-game 51, and the angle of blade pitch angle A is 2.5 °~
Between 7.5 °, blade pitch angle A is projection and vane nose 521 of the blade rear end 522 in mid-game plane in mid-game plane
Be projected in corresponding central angle in mid-game.The angle of adjacent blades central angle B is different, and the central angle B angles of any blade are
Between 7.5 °~12.5 °, blade central angle B is distribution angle of the blade in a circle on the circumference of disk.It is distributed using not decile
Angle arrangement adjacent blades 52, upset adjacent blades 52 and the same frequency of volute tongue are impacted, reduce fan blade rotational noise.
Rubber ends impeller 6 includes wheel disc 62 and rubber axis sleeve assembly 61, and rubber axis sleeve assembly 61, which inlays, is fixed on wheel
The middle part of disk 62, the diameter of wheel disc 62 and the diameter matches of circular groove 53, the front end of wheel disc 62 passes through with circular groove 53 to surpass
Sound wave is welded and fixed, and rubber ends impeller 6 is fixed on by wheel disc 62 at the circular groove 53 in the mid-game of the middle wind wheel of rearmost end.
Wheel disc 62 can be that the welding being connected as a single entity with mid-game is equipped with circular groove 53 with 53 welding structure of circular groove in mid-game
Line 55, the front end face of wheel disc 62 is with being equipped with the second welding in 55 matched welding surface of sealing wire or circular groove 53
Groove, the front end of wheel disc 62 are equipped with and matched second sealing wire of welding groove.
Above-mentioned steel shaft disk, middle wind wheel and wheel disc are mouldings.Wheel disc 62 and 53 side of being welded and fixed of circular groove in mid-game
Formula, for wheel disc 62 equivalent to sinking in step-like circular groove 53, welding positioning accuracy is high, and it is concentric to improve through-flow fan blade
Degree, reduces vibration during through-flow fan blade operating, can reduce noise and complete machine shake, improve user experience.
According to through-flow fan blade diameter range, it is designed to that the size of C, D, E are big according to the through-flow fan blade of applicable diameter range
Small, the rubber ends impeller 6 of C diameters can be general on the fan blade of below 100mm, the rubber ends impellers 6 of D diameters can it is general
On the fan blade of 100mm~130mm, the rubber ends impeller 6 of E diameters can be general on the fan blade of more than 130mm.In the range of C
Diameter specifications have 20, it is necessary to injection mold be：Secondary rubber ends impeller=41 of wind wheel+1 are secondary in 20 secondary+20 pairs of steel shaft disk；
And the through-flow fan blade of traditional structure needs the mold number to be：Secondary rubber ends impeller=60 of wind wheel+20 are secondary in 20 secondary+20 pairs of steel shaft disk,
The through-flow fan blade of this patent can save 19 secondary moulds.
The through-flow fan blade of this patent is compared with existing through-flow fan blade, although being additionally arranged circle in the mid-game of each middle wind wheel
The structure of connected in star, which can conveniently realize in Shooting Technique, but rubber ends impeller not only eliminates blade, but also
Wheel diameter is greatly reduced because rubber ends blade wheel structure can simply make rubber ends impeller die life lifted 80% with
On.
The through-flow fan blade of this patent is upset blade and the same frequency of volute tongue is impacted, dropped using not decile angle of distribution arrangement blade
Low fan blade rotational noise, the blade of differing tilt angles are set, and reduction crossing current fan blade air-flow passes twice through the air pressure before and after blade
Difference, air-flow smooth fluctuation, makes the reduction of rotational noise peak value, makes air-conditioning sound of the wind more naturally comfortable.In noise pattern, noise
Peak value is smaller, and tonequality is better, and highest preceding 5 peak values influence maximum to tonequality, and the size of peak value can embody the excellent shape of tonequality
State.
Table 1 below is the through-flow fan blade of 98 length 629 of diameter, the circle between the blade pitch angles of adjacent blades, adjacent blades
The different through-flow fan blade of central angle between the blade pitch angles of the identical through-flow fan blade in heart angle and adjacent blades, adjacent blades
Noise peak reduced value, peak value take preceding 5 big peak values.
Table 1：
Table 2 below is the through-flow fan blade of 92 length 630 of diameter, the circle between the blade pitch angles of adjacent blades, adjacent blades
The different through-flow fan blade of central angle between the blade pitch angles of the identical through-flow fan blade in heart angle and adjacent blades, adjacent blades
Noise peak reduced value, peak value take preceding 5 big peak values.
Table 2：
Embodiment 2
A kind of air-conditioning, using the through-flow fan blade of above-described embodiment 1, reduces vibration during through-flow fan blade operating, can reduce
Noise and complete machine shake, low noise, air conditioning exhausting sound are more naturally comfortable.
Claims (6)
1. through-flow fan blade, including a steel shaft end wheel, more dry middle wind wheel and a rubber ends impeller, steel shaft end wheel include steel shaft
Disk and metal steel shaft, are provided with welding groove on steel shaft disk, metal steel shaft inlays the centre for being fixed on steel shaft disk；During middle wind wheel includes
Disk and the more blades being connected as a single entity with it, the middle part of each mid-game are equipped with through hole, and blade rear end is connected as a single entity with mid-game front end,
Middle back-end disk be equipped with it is multiple with vane nose shape and quantity Matching blade mounting grooves, the vane nose of wind wheel in the latter
It is inserted into the blade mounting groove of previous middle wind wheel and is welded and fixed, on the vane nose insertion steel shaft disk of the middle wind wheel of front end
Welding groove in and be welded and fixed；It is characterized in that the inner of mid-game is equipped with circular groove；Rubber ends impeller includes wheel disc and rubber
Glue sleeve combination part, rubber axis sleeve assembly inlay the middle part for being fixed on wheel disc, the diameter of wheel disc and the diameter of circular groove
Match somebody with somebody, front end and the circular groove of wheel disc are welded and fixed, and rubber ends impeller is fixed on the mid-game of the middle wind wheel of rearmost end by wheel disc
On circular groove at；The angle of the blade pitch angle of arbitrary neighborhood blade is different, and the angle of blade pitch angle is 2.5 °~
Between 7.5 °, blade pitch angle is projection and vane nose being projected on mid-game plane of the blade rear end in mid-game plane
Corresponding central angle in mid-game；Central angle angle between adjacent blades is different, and the central angle angle of arbitrary neighborhood blade is
Between 7.5 °~12.5 °, blade central angle is distribution angle of the blade on the circumference of mid-game.
2. through-flow fan blade according to claim 1, it is characterised in that steel shaft disk, mid-game and wheel disc are circular injection molding part.
3. through-flow fan blade according to claim 1, it is characterised in that blade is 31-39 pieces.
4. through-flow fan blade according to claim 1, it is characterised in that the weldering being connected as a single entity with mid-game is equipped with circular groove
Wiring, the front end face of wheel disc are and the matched welding surface of sealing wire.
5. through-flow fan blade according to claim 1, it is characterised in that the second welding groove is equipped with circular groove, before wheel disc
End is equipped with and matched second sealing wire of welding groove.
6. a kind of air-conditioning, it is characterised in that including the through-flow fan blade described in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371365.5A CN107939730B (en) | 2017-12-19 | 2017-12-19 | Cross-flow fan blade and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371365.5A CN107939730B (en) | 2017-12-19 | 2017-12-19 | Cross-flow fan blade and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939730A true CN107939730A (en) | 2018-04-20 |
| CN107939730B CN107939730B (en) | 2024-02-09 |
Family
ID=61941249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711371365.5A Active CN107939730B (en) | 2017-12-19 | 2017-12-19 | Cross-flow fan blade and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939730B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757557A (en) * | 2018-07-20 | 2018-11-06 | 中山市山竹电器科技有限公司 | A kind of tubular wine wheel and its manufacturing method |
| CN111174280A (en) * | 2020-02-26 | 2020-05-19 | 广东美的制冷设备有限公司 | Wind-guiding stationary blade, wind channel part and air conditioner |
| CN112762010A (en) * | 2021-02-08 | 2021-05-07 | 宁波朗迪叶轮机械有限公司 | Cross-flow fan blade |
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| CN2297573Y (en) * | 1996-01-12 | 1998-11-18 | 南海市桂城三保电器设备厂 | Cross flow cooling fan |
| CN201771854U (en) * | 2010-08-31 | 2011-03-23 | 广东美的电器股份有限公司 | Tubular wind wheel capable of effectively reducing noise and air equipment provided with same |
| CN202732462U (en) * | 2012-07-26 | 2013-02-13 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall-mounted air conditioner |
| CN202833285U (en) * | 2012-08-27 | 2013-03-27 | 广东美的暖通设备有限公司 | Tubular wind wheel and air-conditioner including same |
| CN205714935U (en) * | 2016-06-06 | 2016-11-23 | 中山市朗迪电器有限公司 | A kind of through-flow fan blade |
| CN207647838U (en) * | 2017-12-19 | 2018-07-24 | 宁波朗迪叶轮机械有限公司 | Through-flow fan blade and air-conditioning |
-
2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2297573Y (en) * | 1996-01-12 | 1998-11-18 | 南海市桂城三保电器设备厂 | Cross flow cooling fan |
| CN201771854U (en) * | 2010-08-31 | 2011-03-23 | 广东美的电器股份有限公司 | Tubular wind wheel capable of effectively reducing noise and air equipment provided with same |
| CN202732462U (en) * | 2012-07-26 | 2013-02-13 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall-mounted air conditioner |
| CN202833285U (en) * | 2012-08-27 | 2013-03-27 | 广东美的暖通设备有限公司 | Tubular wind wheel and air-conditioner including same |
| CN205714935U (en) * | 2016-06-06 | 2016-11-23 | 中山市朗迪电器有限公司 | A kind of through-flow fan blade |
| CN207647838U (en) * | 2017-12-19 | 2018-07-24 | 宁波朗迪叶轮机械有限公司 | Through-flow fan blade and air-conditioning |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757557A (en) * | 2018-07-20 | 2018-11-06 | 中山市山竹电器科技有限公司 | A kind of tubular wine wheel and its manufacturing method |
| CN111174280A (en) * | 2020-02-26 | 2020-05-19 | 广东美的制冷设备有限公司 | Wind-guiding stationary blade, wind channel part and air conditioner |
| CN112762010A (en) * | 2021-02-08 | 2021-05-07 | 宁波朗迪叶轮机械有限公司 | Cross-flow fan blade |
| CN112762010B (en) * | 2021-02-08 | 2022-05-24 | 宁波朗迪叶轮机械有限公司 | Cross-flow fan blade |
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| Publication number | Publication date |
|---|---|
| CN107939730B (en) | 2024-02-09 |
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