CN110762035A - Centrifugal fan with adjustable air-out direction - Google Patents
Centrifugal fan with adjustable air-out direction Download PDFInfo
- Publication number
- CN110762035A CN110762035A CN201910966554.XA CN201910966554A CN110762035A CN 110762035 A CN110762035 A CN 110762035A CN 201910966554 A CN201910966554 A CN 201910966554A CN 110762035 A CN110762035 A CN 110762035A
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- China
- Prior art keywords
- centrifugal fan
- rotating chassis
- air outlet
- volute
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005096 rolling process Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
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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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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- 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
- F24F1/0022—Centrifugal or radial 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 invention provides a centrifugal fan with an adjustable air outlet direction, relates to the technical field of centrifugal fans, and solves the technical problem that the air outlet range of a centrifugal fan is small in the prior art. The centrifugal fan with the adjustable air outlet direction comprises a centrifugal fan body and an air guide device; the air guide device is rotatably connected with the centrifugal fan body, so that the air outlet direction of air flow generated by the centrifugal fan body is changed. The invention is used for providing the air outlet direction adjustable centrifugal fan which can realize the air sweeping function and has a larger air outlet range.
Description
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a centrifugal fan with an adjustable air outlet direction.
Background
The centrifugal fan is widely applied to electrical equipment such as a mobile air conditioner, a fresh air fan, an air processor and the like, and the centrifugal fan is mainly used for providing kinetic energy for air and forming flowing air flow in the electrical equipment, so that the air flow can quickly pass through an air processing device (such as an evaporator of the air conditioner, a total heat exchange core body of the fresh air fan, a filter screen of the air purifier and the like) to perform refrigeration, heat exchange, air purification, humidification, dehumidification and the like on the air. The centrifugal fan in the prior art generally comprises a motor, a motor support, centrifugal fan blades and a volute, the air outlet direction of the centrifugal fan is determined by the air outlet direction of the volute, and the air outlet direction of the centrifugal fan cannot be changed and the air outlet range is smaller due to the fact that the volute is fixedly connected with a centrifugal fan body.
Disclosure of Invention
The invention aims to provide a centrifugal fan with an adjustable air outlet direction, and aims to solve the technical problems that the air outlet direction of the centrifugal fan cannot be changed and the air outlet range is small in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes of the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a centrifugal fan with adjustable air outlet direction, which comprises a centrifugal fan body and an air guide device; wherein the content of the first and second substances,
the air guide device is rotatably connected with the centrifugal fan body, so that the air outlet direction of air flow generated by the centrifugal fan body is changed.
In a preferred or optional embodiment, the air guiding device includes a driving mechanism and a volute, an air outlet is provided on the volute, the volute is rotatably connected with the centrifugal fan body, and the driving mechanism can drive the volute to rotate around an axis of the volute.
In a preferred or alternative embodiment, the driving mechanism comprises a driving motor and a driving gear, and the volute is provided with teeth meshed with the driving gear.
In a preferred or optional embodiment, the air guiding device further comprises a rotating chassis, the volute is fixedly connected with the rotating chassis, and the rotating chassis is rotatably connected with the centrifugal fan body.
In a preferred or optional embodiment, the centrifugal fan body further comprises a mounting plate and a fixing frame, the mounting plate is fixedly connected with the fixing frame, and the fixing frame is sleeved outside the rotating chassis.
In a preferred or alternative embodiment, a sliding and rolling device is further arranged on the rotating chassis; the sliding and rolling device is arranged on the circumferential outer surface of the rotating chassis; and/or the sliding and rolling device is arranged at the bottom of the rotating chassis.
In a preferred or alternative embodiment, the roller assembly is a roller assembly.
In a preferred or optional embodiment, at least three sliding and rolling devices are uniformly distributed on the circumferential outer surface of the rotating chassis; and/or at least three sliding and rolling devices are uniformly distributed at the bottom of the rotating chassis along the circumferential direction of the rotating chassis.
In a preferred or optional embodiment, the air guiding device further comprises a photoelectric encoder, the photoelectric encoder is fixedly arranged on the centrifugal fan body, a rack is arranged on the rotating chassis, and the photoelectric encoder is arranged corresponding to the rack in position and can detect the number of teeth passing through a detection area of the photoelectric encoder on the rack.
In a preferred or alternative embodiment, the rack is arranged at the bottom of the rotating chassis and teeth of the rack are distributed at equal intervals around the circumferential direction of the rotating chassis.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:
the centrifugal fan with the adjustable air outlet direction comprises a centrifugal fan body and an air guide device, wherein the air guide device is rotatably connected with the centrifugal fan body, after the centrifugal fan body forms air flow, the air guide device can guide the air flow out of the centrifugal fan body, and the air guide device is rotatably connected with the centrifugal fan body, so that the rotation of the air guide device can change the direction of the air flow flowing out of the centrifugal fan body, the air flow can realize a wind sweeping function, and the air outlet range is larger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of a centrifugal fan with an adjustable air outlet direction provided by the invention;
fig. 2 is an explosion structure schematic diagram of the centrifugal fan with adjustable air outlet direction provided by the invention;
FIG. 3 is a cross-sectional view of the rotating chassis mounting illustrated in FIG. 2;
FIG. 4 is a schematic view of the rotating chassis mechanism shown in FIG. 2;
fig. 5 is a schematic view of the volute structure shown in fig. 2.
In the figure, 1, a centrifugal fan body; 11. mounting a plate; 12. a fixed mount; 13. a centrifugal fan blade; 14. a fan blade motor; 15. a motor bracket; 2. an air guide device; 21. a drive mechanism; 211. a drive motor; 212. a drive gear; 22. a volute; 221. an air outlet; 23. rotating the chassis; 231. a slide and roll device; 232. a rack; 24. a photoelectric encoder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides the air outlet direction adjustable centrifugal fan which can realize the air sweeping function and has a larger air outlet range.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the centrifugal fan with adjustable air outlet direction provided by the present invention includes a centrifugal fan body 1 and an air guide device 2; wherein the content of the first and second substances,
rotatable coupling between air ducting 2 and the centrifugal fan body 1 to change the air-out direction that centrifugal fan body 1 produced the air current.
The centrifugal fan with the adjustable air outlet direction comprises a centrifugal fan body 1 and an air guide device 2, wherein the air guide device 2 is rotatably connected with the centrifugal fan body 1, after air flow is formed in the centrifugal fan body 1, the air guide device 2 can guide the air flow out of the centrifugal fan body 1, and the air guide device 2 is rotatably connected with the centrifugal fan body 1, so that the air flow flowing out of the centrifugal fan body 1 can be changed by the rotation of the air guide device 2, the air sweeping function can be realized, and the air outlet range is larger.
In a preferred or alternative embodiment, the air guiding device 2 includes a driving mechanism 21 and a volute 22, an air outlet 221 is provided on the volute 22, the volute 22 is rotatably connected with the centrifugal fan body 1, and the driving mechanism 21 can drive the volute 22 to rotate around the axis thereof.
Specifically, as shown in fig. 2, the centrifugal fan body 1 further includes a centrifugal fan blade 13, a fan blade motor 14 and a motor support 15, the fan blade motor 14 is mounted on the motor support 15, the fan blade motor 14 can drive the centrifugal fan blade 13 to rotate, the centrifugal fan blade 13 rotates to generate an air flow, the volute casing 22 is sleeved outside the centrifugal fan blade 13, the air flow generated by the centrifugal fan blade 13 flows out of the centrifugal fan body 1 through an air outlet 221 on the volute casing 22, the driving mechanism 21 drives the volute casing 22 to rotate, so that the air outlet 221 on the volute casing can rotate, and thus the wind sweeping function is realized.
In a preferred or alternative embodiment, the driving mechanism 21 includes a driving motor 211 and a driving gear 212, and the spiral casing 22 is provided with teeth engaged with the driving gear 212.
Specifically, the driving mechanism 21 may be disposed outside the spiral casing 22, a power output end of the driving motor 211 is connected to the driving gear 212 to drive the driving gear 212 to rotate, and the driving gear 212 is engaged with the teeth on the spiral casing 22 to drive the spiral casing 22 to rotate.
In a preferred or optional embodiment, the air guiding device 2 further includes a rotating chassis 23, the volute casing 22 is fixedly connected to the rotating chassis 23, and the rotating chassis 23 is rotatably connected to the centrifugal fan body 1. The rotating chassis 23 may serve as a rotational connection of the volute casing 22 to the centrifugal fan body 1.
As a preferred or optional embodiment, the centrifugal fan body 1 further includes a mounting plate 11 and a fixing frame 12, the mounting plate 11 is fixedly connected to the fixing frame 12, and the fixing frame 12 is sleeved outside the rotating base plate 23.
Specifically, the fixed frame 12 and the mounting plate 11 may be connected by a threaded fastener, and a placing space for the rotating chassis 23 is provided inside the fixed frame 12, so that the rotating chassis 23 can be placed in the placing space, the rotating chassis 23 can rotate around an axis of the rotating chassis 23, and axial movement of the rotating chassis 23 can be limited.
As a preferred or alternative embodiment, the rotating chassis 23 is further provided with a sliding and rolling device 231; the sliding and rolling device 231 is arranged on the circumferential outer surface of the rotating chassis 23; and/or the skimming device 231 is arranged at the bottom of the rotating chassis 23.
Specifically, since the centrifugal fan body 1 is not fixed in the direction of installation on the electrical equipment, and may be installed vertically or horizontally, the sliding and rolling device 231 is provided on the circumferential outer surface and the bottom of the rotating chassis 23, and the friction between the rotating chassis 23 and the fixed frame 12 or the installation plate 11 can be reduced regardless of whether the centrifugal fan body 1 is installed vertically or horizontally.
In a preferred or alternative embodiment, the roller assembly 231 is a roller assembly. The roller assembly can change the sliding friction between the rotating chassis 23 and the fixed frame 12 and the mounting plate 11 into rolling, so as to reduce the friction force therebetween.
As a preferred or alternative embodiment, at least three of the sliding and rolling devices 231 are uniformly distributed on the circumferential outer surface of the rotating chassis 23; and/or, at least three sliding and rolling devices 231 are uniformly distributed at the bottom of the rotating chassis 23 along the circumferential direction thereof.
Specifically, at least three sliding and rolling devices 231 are uniformly distributed on the circumferential outer surface of the rotating chassis 23, so that the rotating chassis 23 and the fixed frame 12 are coaxial; at least three sliding and rolling devices 231 are uniformly distributed at the bottom of the rotating chassis 23 along the circumferential direction of the rotating chassis, so that the bottom surface of the rotating chassis 23 is parallel to the mounting plate 11, and the rotating chassis 23 can run more stably.
In a preferred or alternative embodiment, the air guiding device 2 further includes a photoelectric encoder 24, the photoelectric encoder 24 is fixedly disposed on the centrifugal fan body 1, a rack 232 is disposed on the rotating chassis 23, and the photoelectric encoder 24 is disposed in correspondence to the rack 232 and is capable of detecting the number of teeth on the rack 232 passing through a detection area of the photoelectric encoder 24.
Specifically, the photoelectric encoder 24 is fixed on the mounting plate 11, when the rotary chassis 23 rotates, the rack 232 can just pass through between the light emitter and the light receiver of the photoelectric encoder 24 to shield the emitted light, each tooth can generate a pulse signal through the photoelectric encoder 24, and the rotating angle is obtained through the detected number of the teeth.
As a preferred or alternative embodiment, the rack 232 is disposed at the bottom of the rotating chassis 23 and the teeth of the rack 232 are equally spaced around the circumferential direction of the rotating chassis 23.
Specifically, the arc radian of the rack 232 is consistent with the arc radian of the teeth on the volute 22, so that each angle of rotation of the volute 22 can be measured, and the precision of the measured angle is influenced by the size of the space on the rack 232; in addition, the arc radian of the teeth on the volute 22 determines the rotation angle of the air outlet, preferably 180 degrees, so that the size of the volute can be reduced; the arrangement position of the teeth can be started from the volute tongue, and the radius of the existing volute is shortest at the volute tongue and then gradually expands, so that the influence on the size of the volute caused by the arrangement of the teeth on the rack 232 from the volute tongue is minimum, and the arc radian of the teeth on the rack 232 is determined according to the requirement of an air outlet corner.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated. Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. A centrifugal fan with adjustable air outlet direction is characterized by comprising a centrifugal fan body and an air guide device; wherein the content of the first and second substances,
the air guide device is rotatably connected with the centrifugal fan body, so that the air outlet direction of air flow generated by the centrifugal fan body is changed.
2. The centrifugal fan with the adjustable air-out direction according to claim 1, wherein the air guiding device includes a driving mechanism and a volute, an air outlet is formed in the volute, the volute is rotatably connected with the centrifugal fan body, and the driving mechanism can drive the volute to rotate around an axis of the volute.
3. The centrifugal fan with the adjustable air outlet direction according to claim 2, wherein the driving mechanism comprises a driving motor and a driving gear, and the volute is provided with teeth engaged with the driving gear.
4. The centrifugal fan with the adjustable air-out direction according to claim 2, wherein the air guiding device further comprises a rotating chassis, the volute is fixedly connected with the rotating chassis, and the rotating chassis is rotatably connected with the centrifugal fan body.
5. The centrifugal fan with the adjustable air-out direction according to claim 4, wherein the centrifugal fan body further comprises a mounting plate and a fixing frame, the mounting plate is fixedly connected with the fixing frame, and the fixing frame is sleeved outside the rotating chassis.
6. The centrifugal fan with the adjustable air outlet direction according to claim 5, wherein a sliding and rolling device is further arranged on the rotating chassis; the sliding and rolling device is arranged on the circumferential outer surface of the rotating chassis; and/or the sliding and rolling device is arranged at the bottom of the rotating chassis.
7. The centrifugal fan with the adjustable air-out direction according to claim 6, wherein the sliding and rolling device is a roller assembly.
8. The centrifugal fan with the adjustable air outlet direction according to claim 6, wherein at least three sliding and rolling devices are uniformly distributed on the circumferential outer surface of the rotating chassis; and/or at least three sliding and rolling devices are uniformly distributed at the bottom of the rotating chassis along the circumferential direction of the rotating chassis.
9. The centrifugal fan with the adjustable air outlet direction according to claim 4, wherein the air guiding device further comprises a photoelectric encoder, the photoelectric encoder is fixedly arranged on the centrifugal fan body, a rack is arranged on the rotating chassis, and the photoelectric encoder is arranged corresponding to the rack in position and can detect the number of teeth on the rack passing through a detection area of the photoelectric encoder.
10. The centrifugal fan with the adjustable air-out direction according to claim 9, wherein the rack is disposed at the bottom of the rotating chassis and teeth of the rack are distributed at equal intervals around the circumferential direction of the rotating chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910966554.XA CN110762035A (en) | 2019-10-12 | 2019-10-12 | Centrifugal fan with adjustable air-out direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910966554.XA CN110762035A (en) | 2019-10-12 | 2019-10-12 | Centrifugal fan with adjustable air-out direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110762035A true CN110762035A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910966554.XA Pending CN110762035A (en) | 2019-10-12 | 2019-10-12 | Centrifugal fan with adjustable air-out direction |
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| Country | Link |
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| CN (1) | CN110762035A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637073A (en) * | 2020-06-10 | 2020-09-08 | 安徽庐风风机有限公司 | Numerical control fan convenient to adjust wind-force gear |
| CN112833035A (en) * | 2021-01-11 | 2021-05-25 | 重庆工程职业技术学院 | Multifunctional centrifugal ventilator and operation method thereof |
| CN113565777A (en) * | 2021-06-30 | 2021-10-29 | 惠州市银新鹏科技有限公司 | Bladeless fan |
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| CN101907515A (en) * | 2010-06-26 | 2010-12-08 | 董海鹰 | Fully-digital functional experiment table of electric variable pitch system |
| CN103776091A (en) * | 2012-10-18 | 2014-05-07 | 广东美的制冷设备有限公司 | Split wall-mounted air-conditioner indoor unit adjustable in air outlet direction |
| CN206145828U (en) * | 2016-10-31 | 2017-05-03 | 邯郸美的制冷设备有限公司 | Mobile air -conditioner |
| CN109209958A (en) * | 2018-10-25 | 2019-01-15 | 珠海格力电器股份有限公司 | Oscillating assembly and tower fan comprising same |
| CN211082334U (en) * | 2019-10-12 | 2020-07-24 | 珠海格力电器股份有限公司 | Centrifugal fan with adjustable air-out direction |
-
2019
- 2019-10-12 CN CN201910966554.XA patent/CN110762035A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907515A (en) * | 2010-06-26 | 2010-12-08 | 董海鹰 | Fully-digital functional experiment table of electric variable pitch system |
| CN103776091A (en) * | 2012-10-18 | 2014-05-07 | 广东美的制冷设备有限公司 | Split wall-mounted air-conditioner indoor unit adjustable in air outlet direction |
| CN206145828U (en) * | 2016-10-31 | 2017-05-03 | 邯郸美的制冷设备有限公司 | Mobile air -conditioner |
| CN109209958A (en) * | 2018-10-25 | 2019-01-15 | 珠海格力电器股份有限公司 | Oscillating assembly and tower fan comprising same |
| CN211082334U (en) * | 2019-10-12 | 2020-07-24 | 珠海格力电器股份有限公司 | Centrifugal fan with adjustable air-out direction |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637073A (en) * | 2020-06-10 | 2020-09-08 | 安徽庐风风机有限公司 | Numerical control fan convenient to adjust wind-force gear |
| CN111637073B (en) * | 2020-06-10 | 2021-09-24 | 安徽庐风风机有限公司 | Numerical control fan convenient to adjust wind-force gear |
| CN112833035A (en) * | 2021-01-11 | 2021-05-25 | 重庆工程职业技术学院 | Multifunctional centrifugal ventilator and operation method thereof |
| CN113565777A (en) * | 2021-06-30 | 2021-10-29 | 惠州市银新鹏科技有限公司 | Bladeless fan |
| CN113565777B (en) * | 2021-06-30 | 2024-05-03 | 瑞航科技(广东)有限公司 | Bladeless fan |
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