WO2022007780A1 - Impeller assembly, airflow introduction device, airflow guide device, correction device, and bladeless fan - Google Patents

Impeller assembly, airflow introduction device, airflow guide device, correction device, and bladeless fan Download PDF

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Publication number
WO2022007780A1
WO2022007780A1 PCT/CN2021/104683 CN2021104683W WO2022007780A1 WO 2022007780 A1 WO2022007780 A1 WO 2022007780A1 CN 2021104683 W CN2021104683 W CN 2021104683W WO 2022007780 A1 WO2022007780 A1 WO 2022007780A1
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WO
WIPO (PCT)
Prior art keywords
guide
airflow
impeller
air
vertical direction
Prior art date
Application number
PCT/CN2021/104683
Other languages
French (fr)
Chinese (zh)
Inventor
黄振杰
Original Assignee
追觅科技(上海)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202021297180.1U external-priority patent/CN213116856U/en
Priority claimed from CN202021298259.6U external-priority patent/CN212615608U/en
Priority claimed from CN202010640098.2A external-priority patent/CN111795008B/en
Priority claimed from CN202021298223.8U external-priority patent/CN213511363U/en
Priority claimed from CN202021297224.0U external-priority patent/CN213511277U/en
Application filed by 追觅科技(上海)有限公司 filed Critical 追觅科技(上海)有限公司
Publication of WO2022007780A1 publication Critical patent/WO2022007780A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers

Definitions

  • the present invention relates to the technical field of fans. More specifically, the present invention relates to an impeller assembly, a flow guiding device, a flow guiding device, a guiding device and a bladeless fan.
  • the bladeless fan can generate natural and continuous cool air, and has no blades, and has a peculiar shape, the appearance is streamlined, simple and beautiful, and the continuous air flow makes people feel cool and windy, without any impact, more stable and more comfortable, Favored by the majority of consumers.
  • the structure of the guide part of the impeller assembly of the existing bladeless fan is complex, the guide structure is complex, it is inconvenient to install and disassemble, the assembly strength and production cost are increased, and the use effect is poor, and the user experience effect is poor. It is necessary to develop an impeller assembly and a bladeless fan to solve the above problems.
  • the purpose of the present invention is to provide an impeller assembly with a simple structure of a flow guiding device, which is used to introduce air flow to the air inlet end of the impeller rotating at a high speed, so that the impeller runs smoothly, and at the same time It also plays the role of noise reduction;
  • the structure of the drainage device is simple, which is convenient for the assembly of parts, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, which is convenient for high-pressure airflow.
  • the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to the state parallel to the axial direction of the impeller, thereby improving the high-pressure airflow. performance, in order to facilitate the smooth entry of high-pressure airflow into other devices, and at the same time reduce system noise.
  • an impeller assembly comprising: a flow guide means for introducing an air flow;
  • a drainage device which generates high-pressure airflow and smoothly circulates the airflow introduced by the airflow guide device;
  • a guiding device which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device, and approximately corrects the airflow generated by the high-speed rotation of the drainage device to a state parallel to the axial direction of the drainage device;
  • the diversion device, the diversion device and the straightening device are communicated in sequence.
  • the flow guiding device comprises: a flow guiding part, the interior of which is hollow and both upper and lower ends are open to form an upper opening and a lower opening respectively;
  • the cross-sectional diameter of the flow guide portion is gradually decreasing in the vertical direction.
  • At least one upper skirt portion extends upward along the vertical direction on the surface of the guide portion;
  • the upper skirts are in a regular array with a circle centered along the axis of the guide portion, and a clamping space is defined between two adjacent upper skirts;
  • the surface of the guide portion also extends upward along the vertical direction with a first snap portion, at least one of the first snap portions is provided, and the first snap portion is arranged in the snap space.
  • the flow guiding device comprises: a fan casing with a hollow interior, and an air cavity for guiding airflow is formed inside; and a power system, which is arranged inside the fan casing and is used to generate high-pressure airflow;
  • the fan casing includes, from bottom to top, a first fixing part, a widening part and a second fixing part; the cross-sectional diameter of the widening part is gradually expanding in the vertical direction.
  • At least one second snap portion is disposed on the outer circumference of the first fixing portion, the second snap portions are regularly arrayed along the outer circumference of the first fixing portion, and the second snap portion There are guide strips on both sides;
  • the bottom end of the first fixing part is provided with a limiting rib, and the limiting rib extends downward along the vertical direction.
  • the power system comprises: a hollow base with a conical cross-section and a power chamber inside;
  • the impeller drivingly connected with the driving device, the impeller is provided with an air inlet end and an air outlet end along the axial direction;
  • the power output shaft of the driving device is drivingly connected with the impeller.
  • the base includes: a hub portion;
  • two adjacent first guide vanes are arranged at intervals to define a first air guide channel between the two first guide vanes.
  • the guide device comprises: a guide vane housing, the interior of which is hollow and both upper and lower ends are open to form an upper opening and a lower opening respectively; and a guide member disposed inside the guide vane housing;
  • the guide member includes: a fixing part; at least two second guide vanes arranged in a spiral shape on the outer circumference of the fixing part, and the outer circumference of the second guide vanes is in contact with the inner side of the guide vane casing
  • two adjacent second guide vanes are arranged at intervals to define a second air guide channel between the two second guide vanes and the guide vane casing.
  • it further comprises: a control device, the control device controls the operation of the impeller assembly.
  • the present invention also provides a bladeless fan, which is characterized in that it includes the impeller assembly according to any one of the above.
  • the present invention includes at least the following beneficial effects:
  • the present invention provides an impeller assembly, which
  • the structure of the diversion device is simple, and it is used to introduce air flow to the intake end of the high-speed rotating impeller, so that the impeller runs smoothly, and it also plays a role in noise reduction;
  • the structure of the drainage device is simple, which is convenient for the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, so that the high-pressure airflow can flow smoothly. in the air duct;
  • the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to the state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow to facilitate the high-pressure airflow. Smooth access to other devices while reducing system noise.
  • the present invention also provides a flow guide device, which has a simple structure and is used to introduce air flow to the intake end of the high-speed rotating impeller, so that the impeller runs smoothly and also reduces noise. effect.
  • a flow guide device comprising: a flow guide portion, the interior of which is hollow and the upper and lower ends are open to form an upper opening and a lower opening, respectively;
  • the cross-sectional diameter of the flow guide portion is gradually decreasing in the vertical direction.
  • At least one upper skirt portion extends upward along the vertical direction on the surface of the guide portion;
  • the upper skirts are in a regular array with a circle centered along the axis of the air guide, and a clamping space is defined between two adjacent upper skirts.
  • the surface of the air guide portion further extends upward along the vertical direction with a snap portion, at least one snap portion is provided, and the snap portion is arranged in the snap space.
  • a surface of the snap portion is provided with a snap groove.
  • a guide groove is defined between the side end of the buckle portion and the side end of the upper skirt portion.
  • the top surface of the guide portion is provided with a limiting portion, and a limiting groove is defined between the limiting portion and the top end of the guide portion.
  • the present invention also provides an impeller assembly, which includes the flow guiding device according to any one of the above; and a flow guiding device that is clamped with the flow guiding device.
  • the present invention includes at least the following beneficial effects: the present invention provides a flow guide device, which has a simple structure and is used to introduce air flow to the air inlet end of the impeller rotating at high speed, so that the impeller runs smoothly and also plays a noise reduction effect.
  • the present invention also provides a drainage device, which has a simple structure, is convenient for the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the power system generates an air duct.
  • the airflow has a relatively large wind pressure, so that the high-pressure airflow can smoothly circulate in the air duct.
  • a flow guiding device comprising: a fan casing with a hollow interior, an air cavity for guiding the air flow is formed in the interior; and a power system, which is provided in the fan Inside the housing for generating high pressure airflow;
  • the fan casing includes, from bottom to top, a first fixing part, a widening part and a second fixing part; the cross-sectional diameter of the widening part is gradually expanding in the vertical direction.
  • At least one second snap portion is disposed on the outer circumference of the first fixing portion, the second snap portions are regularly arrayed along the outer circumference of the first fixing portion, and the second snap portion There are guide strips on both sides.
  • the bottom end of the first fixing portion is provided with a limiting rib, and the limiting rib extends downward along the vertical direction.
  • the power system includes: a hollow base with a conical cross-section and a power chamber inside;
  • an impeller connected to the drive device, the impeller is provided with an air inlet end and an air outlet end in the axial direction;
  • the power output shaft of the driving device is drivingly connected with the impeller.
  • the base includes: a hub portion;
  • two adjacent first guide vanes are arranged at intervals to define a first air guide channel between the two first guide vanes.
  • At least two ventilation holes are formed on the outer peripheral surface of the hub portion to guide airflow to cool the driving device.
  • the base is clamped with the fan casing through the support portion.
  • the present invention also provides an impeller assembly, which includes the flow guiding device according to any one of the above; and a flow guiding device that is clamped with the flow guiding device.
  • the present invention includes at least the following beneficial effects: the present invention provides a drainage device, which has a simple structure, facilitates the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has relatively Large wind pressure, so that the high-pressure airflow can smoothly circulate in the air duct.
  • the present invention also provides a directing device, which can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and correct the airflow generated by the high-speed rotation of the impeller to approximately the same as the impeller shaft.
  • a directing device which can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and correct the airflow generated by the high-speed rotation of the impeller to approximately the same as the impeller shaft.
  • a guide device comprising: a guide vane casing, the interior of which is hollow and the upper and lower ends are open to form an upper opening and a lower opening respectively; a guide member inside the guide vane housing;
  • the guide member includes: a fixing part; at least two second guide vanes arranged in a spiral shape on the outer circumference of the fixing part, and the outer circumference of the second guide vanes is in contact with the inner side of the guide vane casing
  • two adjacent second guide vanes are arranged at intervals to define a second air guide channel between the two second guide vanes and the guide vane casing.
  • the guide vane housing comprises: a wind catcher, the cross-sectional diameter of which is gradually reduced in the vertical direction; and
  • At least two clamping parts are arranged on the outer circumference of the wind collecting part, and the clamping parts are regularly arrayed along the outer circumference of the wind collecting part.
  • the bottom end of the wind catcher is provided with an outer flange extending downward in the axial direction, so as to be able to be clamped with other devices in a limited position.
  • the surface of the outer flange is provided with at least one positioning stopper, and the position of the positioning stopper is provided with a first threaded through hole to facilitate positioning and locking of other components.
  • the fixing portion is tapered and has a hollow interior, at least one fixing column is arranged inside the fixing portion, the fixing column extends downward in a vertical direction, and a first fixing column is clamped inside the fixing column. Two threaded through holes, so that the guide piece can be locked with other components.
  • the bottom end of the fixing portion is provided with a positioning portion extending downward along the vertical direction, so as to facilitate the positioning of the alignment member when assembling with other components.
  • the present invention also provides an impeller assembly, which is characterized in that it includes the straightening device according to any one of the above.
  • the present invention includes at least the following beneficial effects: the present invention provides a straightening device, which can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to be parallel to the axial direction of the impeller. state, thereby improving the performance of the high-pressure air flow, so that the high-pressure air flow can enter other devices smoothly, and at the same time, it can also reduce the noise of the system.
  • FIG. 1 is a cross-sectional view of an impeller assembly in one embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an impeller assembly in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a flow guiding device in an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of a flow guide device in an embodiment of the present invention.
  • FIG. 5 is a top view of a flow guiding device in an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a drainage device in an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a fan casing in an embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of a fan casing in an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a base in an embodiment of the present invention.
  • FIG. 10 is a cross-sectional view of an impeller according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a guiding device in an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a guiding device in an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a guide vane housing in an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of the guide vane housing from another perspective according to an embodiment of the present invention.
  • the present invention provides an impeller assembly, which includes: a flow guiding device 15, which can introduce airflow;
  • a drainage device which generates a high-pressure airflow and smoothly circulates the airflow introduced by the airflow guide device 15;
  • a guiding device which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device, and approximately corrects the airflow generated by the high-speed rotation of the drainage device to a state parallel to the axial direction of the drainage device;
  • the diversion device 15 the diversion device and the straightening device are communicated in sequence.
  • the flow guiding device 15 includes: a flow guiding portion 151 , which is hollow inside and open at the upper and lower ends to form an upper opening and a lower opening, respectively;
  • the cross-sectional diameter of the flow guiding portion 151 is gradually decreasing in the vertical direction.
  • At least one upper skirt 152 extends upward along the vertical direction on the surface of the guide portion 151;
  • the upper skirt portions 152 are in a regular array with a circle centered along the axis of the air guide portion 151, and a clamping space is defined between two adjacent upper skirt portions 152;
  • the surface of the guide portion 151 also extends upward along the vertical direction with a first snap portion 153 . within the connection space.
  • a snap groove 1531 is defined on the surface of the first snap portion 153 .
  • a guide groove 154 is defined between the side end of the first buckle portion 153 and the side end of the upper skirt portion 152 .
  • a limiting portion 155 is defined on the top surface of the guide portion 151 , and a limiting groove 156 is defined between the limiting portion 155 and the top of the guide portion 151 .
  • the guide portion 151 is used to introduce air flow to the intake end of the high-speed rotating impeller, and the cross-sectional diameter of the guide portion 151 is gradually decreasing in the vertical direction, which has the effect of expanding the air intake.
  • the advantage of air volume enables a large amount of airflow to gather at the upper opening of the guide portion 151 to enter the high-speed rotating impeller, so that the airflow at the outlet end of the impeller is enhanced and the user experience is improved.
  • the guide device 15 can be positioned and locked with other devices through the locking groove 1531 on the surface of the first locking portion 153 , and the side end of the first locking portion 153 is connected to the upper skirt at the same time.
  • a guide groove 154 is defined between the side ends of the portion 152 , and the guide groove 154 plays a guiding role to facilitate the snap-on operation of the first snap portion 153 and other devices.
  • the limiting groove 156 is limited when the flow guiding device 15 is engaged with other devices, so as to facilitate the positioning and locking of the flow guiding device 15 .
  • the drainage device includes: a fan casing 14 that is hollow inside, and an air cavity for guiding airflow is formed inside; and a power system, which is arranged inside the fan casing 14 for generating high pressure airflow;
  • the fan casing 14 includes, from bottom to top, a first fixing portion 141 , a widening portion 142 and a second fixing portion 143 ; the cross-sectional diameter of the widening portion 142 is gradually expanding in the vertical direction. .
  • the power system is arranged in the air cavity, the power system and the air cavity together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, In order to facilitate the smooth circulation of high-pressure airflow in the air duct.
  • At least one second locking portion 144 is disposed on the outer periphery of the first fixing portion 141 , and the second locking portions 144 are regularly arrayed along the outer periphery of the first fixing portion 141 , and the second locking portion 144 is arranged in a regular array along the outer periphery of the first fixing portion 141 . Both sides of the buckle portion 144 are provided with guide strips 145;
  • the bottom end of the first fixing portion 141 is provided with a limiting rib 146 , and the limiting rib 146 extends downward along the vertical direction.
  • the fan casing 14 can be clamped with the air guide device through the limiting rib 146 at the bottom end of the first fixing portion 141 , and can be further connected to the air guiding device through the second clamping portion 144 .
  • the buckle parts of the flow guide device cooperate with each other for clamping and fixing, and at the same time, both sides of the second buckle part 144 are provided with guide strips 145, which can guide the second buckle part 144, which is convenient for the The second latching portion 144 is latched with the flow guiding device.
  • the bottom end of the fan casing 14 is provided with a limiting rib 146
  • the top surface of the air guide portion 151 of the air guide device 15 is provided with a limiting portion 155
  • the limiting portion 155 is connected with the limiting portion 155
  • a limit groove 156 is defined between the top ends of the guide portion 151 , and the limit rib 146 is matched with the limit groove 156 .
  • the fan casing 14 When the fan casing 14 is assembled with the guide device 15 , Preliminary positioning is performed through the cooperation of the limiting rib 146 and the limiting groove 156 , while the outer periphery of the fan casing 14 is provided with a second buckle portion 144 , and the surface of the air guide device 15 is provided with a first buckle. 153, the surface of the first snap portion 153 is provided with a snap slot 1531, the snap slot 1531 is adapted to the second snap portion 144, the fan housing 14 and the guide device 15 pass through The clamping slot 1531 is fitted with the second buckle portion 144 for clamping and fixing. Further, the flow guiding device is provided with a guiding groove 154, and the fan casing 14 is provided with a guiding strip 145. The guiding strip 145 The guide groove 154 plays a guiding role in the assembly of the fan casing 14 and the air guide device 15 , which facilitates the assembly of the fan casing 14 and the air guide device 15 .
  • the power system includes: a hollow base 11 with a conical cross-section and a power chamber inside;
  • an impeller 13 connected to the driving device 12 in a driving manner, the impeller 13 is provided with an air inlet end and an air outlet end in the axial direction;
  • the power output shaft of the driving device 12 is connected with the impeller 13 in a driving manner.
  • a positioning insert 121 is provided on the surface of the power output shaft of the driving device 12 , a positioning groove 1211 is formed at the bottom end of the positioning insert 121 , and the air outlet end of the impeller 13 There is a positioning flange 131 matched with the positioning groove 1211, the driving device 12 and the impeller 13 are assembled through the cooperation of the positioning groove 1211 and the positioning flange 131, and there is anti-skid It is convenient for the impeller 13 to rotate at a high speed along with the power output shaft of the driving device 12 .
  • the surface of the power output shaft of the driving device 12 is provided with a threaded portion 122, and the intake end of the impeller 13 is provided with a locking portion 132. After the assembly of the driving device 12 and the impeller 13 is completed, the threaded portion can pass through the threaded portion. 122 lock the nut at the position of the locking portion 132 to prevent the impeller from falling off during high-speed rotation.
  • the base 11 includes: a hub portion 111;
  • two adjacent first guide vanes 112 are arranged at intervals to define a first air guide channel between the two first guide vanes 112 .
  • the first air guide channel is communicated with the air outlet end of the impeller 13, so as to perform preliminary wind direction correction on the airflow generated by the high-speed rotation of the impeller 13, and the airflow generated by the high-speed rotation of the impeller 13. It is approximately corrected to the state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow, so as to facilitate the smooth entry of the high-pressure airflow into other devices, and at the same time, the system noise can be reduced.
  • At least two ventilation holes 1111 are formed on the outer peripheral surface of the hub portion 111 to guide airflow to cool the driving device 12 .
  • the driving device 12 will generate high temperature during operation, and the long-term operation of the driving device 12 at a high temperature will affect the service life of the driving device 12.
  • the outer peripheral surface of the hub portion 111 is provided with There are at least two ventilation holes 1111 , the ventilation holes 1111 can guide the airflow to cool down the driving device and prolong the service life of the driving device 12 .
  • the base 11 is clamped with the fan casing through the support portion 113 .
  • a top end of the first fixing portion 143 extends upward along a vertical direction with a first annular wall 147 , and at least two stop openings 1471 are defined on the surface of the first annular wall 147 .
  • the stop 1471 is provided with a first threaded post 1472
  • the bottom end of the support portion 113 extends downward along the vertical direction with a second ring wall 1131, the second ring wall 1131 and the first ring wall 1131
  • the second ring wall 1131 is provided with a second threaded post 1132 on the outer circumference.
  • the base 11 and the fan casing 14 pass through the first ring wall 147 and the second ring wall 1131
  • the stop 1471 is used to limit the position of the base 11
  • the first threaded post 1472 and the second threaded post 1132 are used for the base 11 and the fan housing 14 . Lock and fix.
  • the guiding device includes: a guide vane housing 17 , which is hollow inside and open at the upper and lower ends to form an upper opening and a lower opening respectively;
  • the guiding member 16 includes: a fixing part 161; at least two second guide vanes 162 arranged in a spiral shape on the outer circumference of the fixing part 161, the outer circumference of the second guiding vane 162 and the guiding
  • the inner sides of the vane casings 17 are connected in contact, and two adjacent second guide vanes 162 are arranged at intervals to define a second air guide channel between the two second guide vanes 162 and the guide vane casing 17 .
  • the first air guide channel is communicated with the second air guide channel, and the second air guide channel corrects the wind direction of the airflow generated by the high-speed rotation of the impeller, and corrects the airflow generated by the high-speed rotation of the impeller.
  • the airflow is approximately corrected to a state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow, facilitating the smooth entry of the high-pressure airflow into other devices, and reducing system noise.
  • the guide vane housing 17 includes: a wind collecting portion 171, the cross-sectional diameter of which is gradually reduced in the vertical direction; and
  • At least two engaging portions 172 are provided on the outer circumference of the wind collecting portion 171 , and the engaging portions 172 are regularly arrayed along the outer circumference of the wind collecting portion 171 .
  • the cross-sectional diameter of the wind collecting portion 171 is gradually decreasing in the vertical direction, which has the advantage of expanding the air volume of the air flow, so that a large amount of air flow can be gathered at the upper opening of the guide vane housing 17, Therefore, other devices of the bladeless fan are entered, so that the airflow at the upper opening of the guide vane housing 17 is enhanced, and the user experience is improved.
  • the outer periphery of the wind collecting portion 171 is provided with a plurality of engaging portions 172, and the engaging portions 172 are used for flexibly connecting with other components to fix and dampen the impeller assembly.
  • the bottom end of the wind collecting portion 171 is provided with an outer flange 173 extending downward in the axial direction, so as to be limited and clamped with other devices.
  • the surface of the outer flange 173 is provided with at least one positioning stopper 174 , and the position of the positioning stopper 174 is provided with a first threaded through hole 175 to facilitate positioning and locking of other components.
  • the outer flange 173 can be used for preliminary positioning of the guide vane shell 17 during assembly, the positioning stop 174 can be further positioned, and the first threaded through hole 175 can be used for the guide vane shell. 17 is screwed with other components to position and lock the guide vane housing 17 .
  • the fixing portion 161 is tapered and hollow inside, at least one fixing post 163 is provided inside the fixing portion 161 , the fixing post 163 extends downward in the vertical direction, and the interior of the fixing post 163 is clamped A second threaded through hole 164 is provided to facilitate the locking of the guide member 16 with other components.
  • a positioning portion 165 extends downward from the bottom end of the fixing portion 161 in the vertical direction, so as to facilitate the positioning of the guiding member 16 when assembling with other components.
  • the positioning portion 165 can perform preliminary positioning during the assembly of the guide member 16, which is convenient for subsequent operations during assembly, and the second threaded through hole 164 can connect the guide member 16 with other components. Screw connection to position and lock the guide member 16 .
  • control device 18 controls the operation of the impeller assembly.
  • control device 18 is fixed on the top of the guide member 16 , and the control device 18 is electrically connected with the driving device 12 to control the operation of the driving device 12 .
  • the present invention also provides a bladeless fan, which is characterized in that it includes the impeller assembly according to any one of the above.
  • the present invention provides an impeller assembly, which
  • the structure of the diversion device is simple, and it is used to introduce air flow to the intake end of the high-speed rotating impeller, so that the impeller runs smoothly, and it also plays a role in noise reduction;
  • the structure of the drainage device is simple, which is convenient for the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, so that the high-pressure airflow can flow smoothly. in the air duct;
  • the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to the state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow to facilitate the high-pressure airflow. Smooth access to other devices while reducing system noise.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

An impeller assembly, comprising: an airflow introduction device (15) used to introduce an airflow; an airflow guide device used to convert the airflow introduced from the airflow introduction device (15) into a high-pressure airflow and circulate same smoothly; and a correction device used to correct the airflow direction of an airflow generated by high-speed rotation of the airflow guide device, such that the airflow is corrected to be approximately parallel to an axial direction of the airflow guide device, wherein the airflow introduction device (15), the airflow guide device, and the correction device communicate with each other in sequence. The airflow direction of an airflow generated by high-speed rotation of an impeller can be corrected, such that the corrected airflow is approximately parallel to an axial direction of the impeller, thereby improving the performance of a high-pressure airflow, and facilitating smooth entry of the high-pressure airflow into other devices while reducing system noise.

Description

叶轮组件、导流装置、引流装置、导正装置及无叶风扇Impeller assembly, guide device, guide device, guide device and bladeless fan 【技术领域】【Technical field】
本发明涉及风扇技术领域。更具体地说，本发明涉及一种叶轮组件、导流装置、引流装置、导正装置及无叶风扇。The present invention relates to the technical field of fans. More specifically, the present invention relates to an impeller assembly, a flow guiding device, a flow guiding device, a guiding device and a bladeless fan.
【背景技术】【Background technique】
无叶风扇因为能产生自然持续的凉风，且没有叶片，且造型奇特，外表流线型设计，简洁美观，通过持续的空气流让人感觉凉爽风感，无一丝冲击性，更平稳和更舒适，受到广大消费者的喜爱。Because the bladeless fan can generate natural and continuous cool air, and has no blades, and has a peculiar shape, the appearance is streamlined, simple and beautiful, and the continuous air flow makes people feel cool and windy, without any impact, more stable and more comfortable, Favored by the majority of consumers.
现有的无叶风扇的叶轮组件的导流部分结构复杂，导流结构复杂、不便于安装拆卸，增加装配强度及生产成本，且使用效果较差，用户体验效果较差，有鉴于此，实有必要开发一种叶轮组件及无叶风扇，用以解决上述问题。The structure of the guide part of the impeller assembly of the existing bladeless fan is complex, the guide structure is complex, it is inconvenient to install and disassemble, the assembly strength and production cost are increased, and the use effect is poor, and the user experience effect is poor. It is necessary to develop an impeller assembly and a bladeless fan to solve the above problems.
【发明内容】[Content of the invention]
针对现有技术中存在的不足之处，本发明的目的是提供一种叶轮组件，其导流流装置结构简单，用于向高速旋转的叶轮的进气端导入气流，使叶轮顺畅运行，同时还起到降噪作用；引流装置结构简单，便于零部件额组装，且动力***与风机外壳共同形成供气流流通的风道，且动力***产生的气流具有较大的风压，以便于高压气流顺畅的流通于所述风道内；导正装置可对叶轮高速旋转产生的气流进行风向修正，将叶轮高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳进入其他装置，同时还可降低***噪音。In view of the deficiencies in the prior art, the purpose of the present invention is to provide an impeller assembly with a simple structure of a flow guiding device, which is used to introduce air flow to the air inlet end of the impeller rotating at a high speed, so that the impeller runs smoothly, and at the same time It also plays the role of noise reduction; the structure of the drainage device is simple, which is convenient for the assembly of parts, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, which is convenient for high-pressure airflow. It flows smoothly in the air duct; the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to the state parallel to the axial direction of the impeller, thereby improving the high-pressure airflow. performance, in order to facilitate the smooth entry of high-pressure airflow into other devices, and at the same time reduce system noise.
为了实现根据本发明的这些目的和其它优点，提供了一种叶轮组件，包括： 导流装置，其可导入气流；In order to achieve these objects and other advantages in accordance with the present invention, there is provided an impeller assembly comprising: a flow guide means for introducing an air flow;
引流装置，其将所述导流装置导入的气流生成高压气流并顺畅流通；以及A drainage device, which generates high-pressure airflow and smoothly circulates the airflow introduced by the airflow guide device; and
导正装置，其对所述引流装置高速旋转产生的气流进行风向修正，将所述引流装置高速旋转产生的气流近似的修正到与所述引流装置轴向平行的状态；A guiding device, which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device, and approximately corrects the airflow generated by the high-speed rotation of the drainage device to a state parallel to the axial direction of the drainage device;
其中，所述导流装置、所述引流装置以及所述导正装置依次连通。Wherein, the diversion device, the diversion device and the straightening device are communicated in sequence.
优选的是，所述导流装置包括：导流部，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；Preferably, the flow guiding device comprises: a flow guiding part, the interior of which is hollow and both upper and lower ends are open to form an upper opening and a lower opening respectively;
其中，所述导流部的截面直径在竖直方向上呈逐渐缩小之势。Wherein, the cross-sectional diameter of the flow guide portion is gradually decreasing in the vertical direction.
优选的是，所述导流部的表面沿竖直方向向上延伸有至少一个的上裙部；Preferably, at least one upper skirt portion extends upward along the vertical direction on the surface of the guide portion;
其中，所述上裙部以沿所述导流部轴线为圆心的圆周规则阵列，且相邻两所述上裙部之间限定出一卡接空间；Wherein, the upper skirts are in a regular array with a circle centered along the axis of the guide portion, and a clamping space is defined between two adjacent upper skirts;
所述导流部的表面沿竖直方向向上还延伸有第一卡扣部，所述第一卡扣部至少设有一个，且所述第一卡扣部设于所述卡接空间内。The surface of the guide portion also extends upward along the vertical direction with a first snap portion, at least one of the first snap portions is provided, and the first snap portion is arranged in the snap space.
优选的是，所述引流装置包括：内部中空的风机外壳，其内部形成用于导引气流的风腔；以及动力***，其设于所述风机外壳内部，用于产生高压气流；Preferably, the flow guiding device comprises: a fan casing with a hollow interior, and an air cavity for guiding airflow is formed inside; and a power system, which is arranged inside the fan casing and is used to generate high-pressure airflow;
其中，所述风机外壳从下到上依次包括：第一固定部、渐阔部及第二固定部；所述渐阔部的截面直径在竖直方向上呈逐渐扩大之势。Wherein, the fan casing includes, from bottom to top, a first fixing part, a widening part and a second fixing part; the cross-sectional diameter of the widening part is gradually expanding in the vertical direction.
优选的是，所述第一固定部的外周设有至少一个的第二卡扣部，所述第二卡扣部沿所述第一固定部的外周规则阵列，且所述第二卡扣部的两侧均设有导向条；Preferably, at least one second snap portion is disposed on the outer circumference of the first fixing portion, the second snap portions are regularly arrayed along the outer circumference of the first fixing portion, and the second snap portion There are guide strips on both sides;
所述第一固定部的底端设有限位筋，所述限位筋沿竖直方向向下延伸。The bottom end of the first fixing part is provided with a limiting rib, and the limiting rib extends downward along the vertical direction.
优选的是，所述动力***包括：内部中空的基座，其横截面呈锥形，且内 部设有一动力室；Preferably, the power system comprises: a hollow base with a conical cross-section and a power chamber inside;
固接于所述动力室内部的驱动装置；以及a drive unit fixed inside the powerhouse; and
与所述驱动装置传动连接的叶轮，所述叶轮延轴向方向上设有进气端及出气端；an impeller drivingly connected with the driving device, the impeller is provided with an air inlet end and an air outlet end along the axial direction;
其中，所述驱动装置的动力输出轴与所述叶轮传动连接。Wherein, the power output shaft of the driving device is drivingly connected with the impeller.
优选的是，所述基座包括：轮毂部；Preferably, the base includes: a hub portion;
至少两片在所述轮毂部的外周上呈螺旋状布置的第一导叶；以及at least two first guide vanes spirally arranged on the outer circumference of the hub portion; and
设于所述第一导叶外周的支撑部；a support part arranged on the outer periphery of the first guide vane;
其中，相邻两片所述第一导叶间隔布置以限定出位于两片所述第一导叶之间的第一导风通道。Wherein, two adjacent first guide vanes are arranged at intervals to define a first air guide channel between the two first guide vanes.
优选的是，所述导正装置包括：导叶外壳，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；以及设于所述导叶外壳内部的导正件；Preferably, the guide device comprises: a guide vane housing, the interior of which is hollow and both upper and lower ends are open to form an upper opening and a lower opening respectively; and a guide member disposed inside the guide vane housing;
其中，所述导正件包括：固定部；至少两片在所述固定部的外周上呈螺旋状布置的第二导叶，所述第二导叶的外周与所述导叶外壳的内侧接触连接，相邻两片所述第二导叶间隔布置以限定出位于两片所述第二导叶及所述导叶外壳之间的第二导风通道。Wherein, the guide member includes: a fixing part; at least two second guide vanes arranged in a spiral shape on the outer circumference of the fixing part, and the outer circumference of the second guide vanes is in contact with the inner side of the guide vane casing In connection, two adjacent second guide vanes are arranged at intervals to define a second air guide channel between the two second guide vanes and the guide vane casing.
优选的是，还包括：控制装置，所述控制装置控制所述叶轮组件的运行。Preferably, it further comprises: a control device, the control device controls the operation of the impeller assembly.
本发明还提供了一种无叶风扇，其特征在于，其包含有根据上述中任一项所述的叶轮组件。The present invention also provides a bladeless fan, which is characterized in that it includes the impeller assembly according to any one of the above.
本发明至少包括以下有益效果：本发明的提供了一种叶轮组件，其The present invention includes at least the following beneficial effects: The present invention provides an impeller assembly, which
1)、导流流装置结构简单，用于向高速旋转的叶轮的进气端导入气流，使叶轮顺畅运行，同时还起到降噪作用；1) The structure of the diversion device is simple, and it is used to introduce air flow to the intake end of the high-speed rotating impeller, so that the impeller runs smoothly, and it also plays a role in noise reduction;
2)、引流装置结构简单，便于零部件额组装，且动力***与风机外壳共同形成供气流流通的风道，且动力***产生的气流具有较大的风压，以便于高压气流顺畅的流通于所述风道内；2) The structure of the drainage device is simple, which is convenient for the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, so that the high-pressure airflow can flow smoothly. in the air duct;
3)、导正装置可对叶轮高速旋转产生的气流进行风向修正，将叶轮高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳进入其他装置，同时还可降低***噪音。3) The guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to the state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow to facilitate the high-pressure airflow. Smooth access to other devices while reducing system noise.
针对现有技术中存在的不足之处，本发明还提供一种导流装置，其结构简单，用于向高速旋转的叶轮的进气端导入气流，使叶轮顺畅运行，同时还起到降噪作用。Aiming at the deficiencies in the prior art, the present invention also provides a flow guide device, which has a simple structure and is used to introduce air flow to the intake end of the high-speed rotating impeller, so that the impeller runs smoothly and also reduces noise. effect.
为了实现根据本发明的这些目的和其它优点，提供了一种导流装置，包括：导流部，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；In order to achieve these objects and other advantages according to the present invention, there is provided a flow guide device, comprising: a flow guide portion, the interior of which is hollow and the upper and lower ends are open to form an upper opening and a lower opening, respectively;
其中，所述导流部的截面直径在竖直方向上呈逐渐缩小之势。Wherein, the cross-sectional diameter of the flow guide portion is gradually decreasing in the vertical direction.
优选的是，所述导流部的表面沿竖直方向向上延伸有至少一个的上裙部；Preferably, at least one upper skirt portion extends upward along the vertical direction on the surface of the guide portion;
其中，所述上裙部以沿所述导流部轴线为圆心的圆周规则阵列，且相邻两所述上裙部之间限定出一卡接空间。Wherein, the upper skirts are in a regular array with a circle centered along the axis of the air guide, and a clamping space is defined between two adjacent upper skirts.
优选的是，所述导流部的表面沿竖直方向向上还延伸有卡扣部，所述卡扣部至少设有一个，且所述卡扣部设于所述卡接空间内。Preferably, the surface of the air guide portion further extends upward along the vertical direction with a snap portion, at least one snap portion is provided, and the snap portion is arranged in the snap space.
优选的是，所述卡扣部的表面开设有卡槽。Preferably, a surface of the snap portion is provided with a snap groove.
优选的是，所述卡扣部的侧端与所述上裙部的侧端之间限定出一导向槽。Preferably, a guide groove is defined between the side end of the buckle portion and the side end of the upper skirt portion.
优选的是，所述导流部的顶端表面设有一限位部，所述限位部与所述导流部的顶端之间限定出一限位槽。Preferably, the top surface of the guide portion is provided with a limiting portion, and a limiting groove is defined between the limiting portion and the top end of the guide portion.
本发明还提供了一种叶轮组件，其包含有根据上述任一项所述的导流装置； 以及与所述导流装置相卡接的引流装置。The present invention also provides an impeller assembly, which includes the flow guiding device according to any one of the above; and a flow guiding device that is clamped with the flow guiding device.
本发明至少包括以下有益效果：本发明提供了一种导流装置，其结构简单，用于向高速旋转的叶轮的进气端导入气流，使叶轮顺畅运行，同时还起到降噪作用。The present invention includes at least the following beneficial effects: the present invention provides a flow guide device, which has a simple structure and is used to introduce air flow to the air inlet end of the impeller rotating at high speed, so that the impeller runs smoothly and also plays a noise reduction effect.
针对现有技术中存在的不足之处，本发明还提供一种引流装置，其结构简单，便于零部件额组装，且动力***与风机外壳共同形成供气流流通的风道，且动力***产生的气流具有较大的风压，以便于高压气流顺畅的流通于所述风道内。In view of the deficiencies in the prior art, the present invention also provides a drainage device, which has a simple structure, is convenient for the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the power system generates an air duct. The airflow has a relatively large wind pressure, so that the high-pressure airflow can smoothly circulate in the air duct.
为了实现根据本发明的这些目的和其它优点，还提供了一种引流装置，包括：内部中空的风机外壳，其内部形成用于导引气流的风腔；以及动力***，其设于所述风机外壳内部，用于产生高压气流；In order to achieve these objects and other advantages according to the present invention, a flow guiding device is also provided, comprising: a fan casing with a hollow interior, an air cavity for guiding the air flow is formed in the interior; and a power system, which is provided in the fan Inside the housing for generating high pressure airflow;
其中，所述风机外壳从下到上依次包括：第一固定部、渐阔部及第二固定部；所述渐阔部的截面直径在竖直方向上呈逐渐扩大之势。Wherein, the fan casing includes, from bottom to top, a first fixing part, a widening part and a second fixing part; the cross-sectional diameter of the widening part is gradually expanding in the vertical direction.
优选的是，所述第一固定部的外周设有至少一个的第二卡扣部，所述第二卡扣部沿所述第一固定部的外周规则阵列，且所述第二卡扣部的两侧均设有导向条。Preferably, at least one second snap portion is disposed on the outer circumference of the first fixing portion, the second snap portions are regularly arrayed along the outer circumference of the first fixing portion, and the second snap portion There are guide strips on both sides.
优选的是，所述第一固定部的底端设有限位筋，所述限位筋沿竖直方向向下延伸。Preferably, the bottom end of the first fixing portion is provided with a limiting rib, and the limiting rib extends downward along the vertical direction.
优选的是，所述动力***包括：内部中空的基座，其横截面呈锥形，且内部设有一动力室；Preferably, the power system includes: a hollow base with a conical cross-section and a power chamber inside;
固接于所述动力室内部的驱动装置；以及a drive unit fixed inside the powerhouse; and
与所述驱动装置传动连接的叶轮，所述叶轮延轴向方向上设有进气端及出 气端；an impeller connected to the drive device, the impeller is provided with an air inlet end and an air outlet end in the axial direction;
其中，所述驱动装置的动力输出轴与所述叶轮传动连接。Wherein, the power output shaft of the driving device is drivingly connected with the impeller.
优选的是，所述基座包括：轮毂部；Preferably, the base includes: a hub portion;
至少两片在所述轮毂部的外周上呈螺旋状布置的第一导叶；以及at least two first guide vanes spirally arranged on the outer circumference of the hub portion; and
设于所述第一导叶外周的支撑部；a support part arranged on the outer periphery of the first guide vane;
其中，相邻两片所述第一导叶间隔布置以限定出位于两片所述第一导叶之间的第一导风通道。Wherein, two adjacent first guide vanes are arranged at intervals to define a first air guide channel between the two first guide vanes.
优选的是，所述轮毂部的外周表面开设有至少2个的通气孔，以引导气流对所述驱动装置降温。Preferably, at least two ventilation holes are formed on the outer peripheral surface of the hub portion to guide airflow to cool the driving device.
优选的是，所述基座通过所述支撑部与所述风机外壳相卡接。Preferably, the base is clamped with the fan casing through the support portion.
本发明还提供了一种叶轮组件，其包含有根据上述任一项所述的引流装置；以及与所述引流装置相卡接的导流装置。The present invention also provides an impeller assembly, which includes the flow guiding device according to any one of the above; and a flow guiding device that is clamped with the flow guiding device.
本发明至少包括以下有益效果：本发明提供了一种引流装置，其结构简单，便于零部件额组装，且动力***与风机外壳共同形成供气流流通的风道，且动力***产生的气流具有较大的风压，以便于高压气流顺畅的流通于所述风道内。The present invention includes at least the following beneficial effects: the present invention provides a drainage device, which has a simple structure, facilitates the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has relatively Large wind pressure, so that the high-pressure airflow can smoothly circulate in the air duct.
针对现有技术中存在的不足之处，本发明还提供一种导正装置，其可对叶轮高速旋转产生的气流进行风向修正，将叶轮高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳进入其他装置，同时还可降低***噪音。In view of the deficiencies in the prior art, the present invention also provides a directing device, which can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and correct the airflow generated by the high-speed rotation of the impeller to approximately the same as the impeller shaft. In parallel, the performance of the high-pressure airflow is improved, so that the high-pressure airflow can smoothly enter other devices, and the system noise can also be reduced.
为了实现根据本发明的这些目的和其它优点，还提供了一种导正装置，包括：导叶外壳，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；以及设于所述导叶外壳内部的导正件；In order to achieve these objects and other advantages according to the present invention, there is also provided a guide device, comprising: a guide vane casing, the interior of which is hollow and the upper and lower ends are open to form an upper opening and a lower opening respectively; a guide member inside the guide vane housing;
其中，所述导正件包括：固定部；至少两片在所述固定部的外周上呈螺旋状布置的第二导叶，所述第二导叶的外周与所述导叶外壳的内侧接触连接，相邻两片所述第二导叶间隔布置以限定出位于两片所述第二导叶及所述导叶外壳之间的第二导风通道。Wherein, the guide member includes: a fixing part; at least two second guide vanes arranged in a spiral shape on the outer circumference of the fixing part, and the outer circumference of the second guide vanes is in contact with the inner side of the guide vane casing In connection, two adjacent second guide vanes are arranged at intervals to define a second air guide channel between the two second guide vanes and the guide vane casing.
优选的是，所述导叶外壳包括：拢风部，其截面直径在竖直方向上呈逐渐缩小之势；以及Preferably, the guide vane housing comprises: a wind catcher, the cross-sectional diameter of which is gradually reduced in the vertical direction; and
设于所述拢风部外周的至少2个的卡接部，所述卡接部沿所述拢风部的外周规则阵列。At least two clamping parts are arranged on the outer circumference of the wind collecting part, and the clamping parts are regularly arrayed along the outer circumference of the wind collecting part.
优选的是，所述拢风部的底端沿轴向方向向下延伸有外部凸缘，以便于与其他装置限位卡接。Preferably, the bottom end of the wind catcher is provided with an outer flange extending downward in the axial direction, so as to be able to be clamped with other devices in a limited position.
优选的是，所述外部凸缘的表面设有至少1个的定位止口，所述定位止口的位置设有第一螺纹过孔，以便于其他部件定位锁接。Preferably, the surface of the outer flange is provided with at least one positioning stopper, and the position of the positioning stopper is provided with a first threaded through hole to facilitate positioning and locking of other components.
优选的是，所述固定部呈锥形且内部中空，所述固定部内部设有至少一个的固定柱，所述固定柱沿竖直方向向下延伸，所述固定柱的内部卡设有第二螺纹过孔，以便于所述导正件与其他部件相锁接。Preferably, the fixing portion is tapered and has a hollow interior, at least one fixing column is arranged inside the fixing portion, the fixing column extends downward in a vertical direction, and a first fixing column is clamped inside the fixing column. Two threaded through holes, so that the guide piece can be locked with other components.
优选的是，所述固定部的底端沿竖直方向向下延伸有定位部，以便于所述导正件与其他部件装配时进行定位。Preferably, the bottom end of the fixing portion is provided with a positioning portion extending downward along the vertical direction, so as to facilitate the positioning of the alignment member when assembling with other components.
本发明还提供了一种叶轮组件，其特征在于，其包含有根据上述任一项所述的导正装置。The present invention also provides an impeller assembly, which is characterized in that it includes the straightening device according to any one of the above.
本发明至少包括以下有益效果：本发明提供了一种导正装置，其可对叶轮高速旋转产生的气流进行风向修正，将叶轮高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳 进入其他装置，同时还可降低***噪音。The present invention includes at least the following beneficial effects: the present invention provides a straightening device, which can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to be parallel to the axial direction of the impeller. state, thereby improving the performance of the high-pressure air flow, so that the high-pressure air flow can enter other devices smoothly, and at the same time, it can also reduce the noise of the system.
本发明的其它优点、目标和特征将部分通过下面的说明体现，部分还将通过对本发明的研究和实践而为本领域的技术人员所理解Other advantages, objects, and features of the present invention will appear in part from the description that follows, and in part will be understood by those skilled in the art from the study and practice of the invention
【附图说明】【Description of drawings】
图1为本发明的一个实施方式中叶轮组件的剖视图；1 is a cross-sectional view of an impeller assembly in one embodiment of the present invention;
图2为本发明的一个实施方式中叶轮组件的结构示意图；2 is a schematic structural diagram of an impeller assembly in an embodiment of the present invention;
图3为本发明的一个实施方式中导流装置的结构示意图；3 is a schematic structural diagram of a flow guiding device in an embodiment of the present invention;
图4为本发明的一个实施方式中导流装置的剖视图；4 is a cross-sectional view of a flow guide device in an embodiment of the present invention;
图5为本发明的一个实施方式中导流装置的俯视图；5 is a top view of a flow guiding device in an embodiment of the present invention;
图6为本发明的一个实施方式中引流装置的结构示意图；6 is a schematic structural diagram of a drainage device in an embodiment of the present invention;
图7为本发明的一个实施方式中风机外壳的结构示意图；7 is a schematic structural diagram of a fan casing in an embodiment of the present invention;
图8为本发明的一个实施方式中风机外壳的剖视图；8 is a cross-sectional view of a fan casing in an embodiment of the present invention;
图9为本发明的一个实施方式中基座的结构示意图；9 is a schematic structural diagram of a base in an embodiment of the present invention;
图10为本发明的一个实施方式叶轮的剖视图；10 is a cross-sectional view of an impeller according to an embodiment of the present invention;
图11为本发明的一个实施方式中导正装置的结构示意图；11 is a schematic structural diagram of a guiding device in an embodiment of the present invention;
图12为本发明的一个实施方式中导正装置的结构示意图；12 is a schematic structural diagram of a guiding device in an embodiment of the present invention;
图13为本发明的一个实施方式中导叶外壳的结构示意图；13 is a schematic structural diagram of a guide vane housing in an embodiment of the present invention;
图14为本发明的一个实施方式中导叶外壳另一视角的结构示意图。FIG. 14 is a schematic structural diagram of the guide vane housing from another perspective according to an embodiment of the present invention.
【具体实施方式】【detailed description】
下面结合附图对本发明做进一步的详细说明，本发明的前述和其它目的、 特征、方面和优点将变得更加明显，以令本领域技术人员参照说明书文字能够据以实施。The present invention will be further described in detail below with reference to the accompanying drawings. The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent, so that those skilled in the art can implement them with reference to the description.
在附图中，为清晰起见，可对形状和尺寸进行放大，并将在所有图中使用相同的附图标记来指示相同或相似的部件。In the drawings, the shapes and dimensions may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to refer to the same or like parts.
在下列描述中，诸如中心、厚度、高度、长度、前部、背部、后部、左边、右边、顶部、底部、上部、下部等用词为基于附图所示的方位或位置关系。特别地，“高度”相当于从顶部到底部的尺寸，“宽度”相当于从左边到右边的尺寸，“深度”相当于从前到后的尺寸。这些相对术语是为了说明方便起见并且通常并不旨在需要具体取向。In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the size from top to bottom, "width" corresponds to the size from left to right, and "depth" corresponds to the size from front to back. These relative terms are for convenience of description and are generally not intended to require a specific orientation.
涉及附接、联接等的术语(例如，“连接”和“附接”)是指这些结构通过中间结构彼此直接或间接固定或附接的关系、以及可动或刚性附接的关系，除非以其他方式明确地说明。Terms referring to attached, coupled, etc. (eg, "connected" and "attached") refer to the fixed or attached relationship, as well as the movable or rigidly attached relationship, of the structures, directly or indirectly, to each other through intervening structures, unless The other way is explicitly stated.
根据本发明一实施方式，结合图1～2，本发明提供了一种叶轮组件，其包括：导流装置15，其可导入气流；According to an embodiment of the present invention, with reference to FIGS. 1-2, the present invention provides an impeller assembly, which includes: a flow guiding device 15, which can introduce airflow;
引流装置，其将所述导流装置15导入的气流生成高压气流并顺畅流通；以及A drainage device, which generates a high-pressure airflow and smoothly circulates the airflow introduced by the airflow guide device 15; and
导正装置，其对所述引流装置高速旋转产生的气流进行风向修正，将所述引流装置高速旋转产生的气流近似的修正到与所述引流装置轴向平行的状态；A guiding device, which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device, and approximately corrects the airflow generated by the high-speed rotation of the drainage device to a state parallel to the axial direction of the drainage device;
其中，所述导流装置15、所述引流装置以及所述导正装置依次连通。Wherein, the diversion device 15 , the diversion device and the straightening device are communicated in sequence.
进一步，结合图3～5，所述导流装置15包括：导流部151，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；Further, with reference to FIGS. 3 to 5 , the flow guiding device 15 includes: a flow guiding portion 151 , which is hollow inside and open at the upper and lower ends to form an upper opening and a lower opening, respectively;
其中，所述导流部151的截面直径在竖直方向上呈逐渐缩小之势。Wherein, the cross-sectional diameter of the flow guiding portion 151 is gradually decreasing in the vertical direction.
所述导流部151的表面沿竖直方向向上延伸有至少一个的上裙部152；At least one upper skirt 152 extends upward along the vertical direction on the surface of the guide portion 151;
其中，所述上裙部152以沿所述导流部151轴线为圆心的圆周规则阵列，且相邻两所述上裙部152之间限定出一卡接空间；Wherein, the upper skirt portions 152 are in a regular array with a circle centered along the axis of the air guide portion 151, and a clamping space is defined between two adjacent upper skirt portions 152;
所述导流部151的表面沿竖直方向向上还延伸有第一卡扣部153，所述第一卡扣部153至少设有一个，且所述第一卡扣部153设于所述卡接空间内。The surface of the guide portion 151 also extends upward along the vertical direction with a first snap portion 153 . within the connection space.
在优选的实施方式中，所述第一卡扣部153的表面开设有卡槽1531。所述第一卡扣部153的侧端与所述上裙部152的侧端之间限定出一导向槽154。所述导流部151的顶端表面设有一限位部155，所述限位部155与所述导流部151的顶端之间限定出一限位槽156。In a preferred embodiment, a snap groove 1531 is defined on the surface of the first snap portion 153 . A guide groove 154 is defined between the side end of the first buckle portion 153 and the side end of the upper skirt portion 152 . A limiting portion 155 is defined on the top surface of the guide portion 151 , and a limiting groove 156 is defined between the limiting portion 155 and the top of the guide portion 151 .
可以理解的是，所述导流部151用于向高速旋转的叶轮的进气端导入气流，且所述导流部151的截面直径在竖直方向上呈逐渐缩小之势，具有扩大气流进风量的优势，可使大量气流聚集在所述导流部151的上敞口处，从而进入高速旋转的叶轮，使得叶轮出口端的气流增强，提高用户的体验度。It can be understood that the guide portion 151 is used to introduce air flow to the intake end of the high-speed rotating impeller, and the cross-sectional diameter of the guide portion 151 is gradually decreasing in the vertical direction, which has the effect of expanding the air intake. The advantage of air volume enables a large amount of airflow to gather at the upper opening of the guide portion 151 to enter the high-speed rotating impeller, so that the airflow at the outlet end of the impeller is enhanced and the user experience is improved.
可以理解的是，所述导流装置15可通过所述第一卡扣部153表面的卡槽1531与其他装置进行定位锁定，同时所述第一卡扣部153的侧端与所述上裙部152的侧端之间限定出一导向槽154，所述导向槽154起导向作用，便于所述第一卡扣部153与其他装置进行卡接操作。It can be understood that the guide device 15 can be positioned and locked with other devices through the locking groove 1531 on the surface of the first locking portion 153 , and the side end of the first locking portion 153 is connected to the upper skirt at the same time. A guide groove 154 is defined between the side ends of the portion 152 , and the guide groove 154 plays a guiding role to facilitate the snap-on operation of the first snap portion 153 and other devices.
可以理解的是，所述限位槽156在所述导流装置15与其他装置进行卡接操作时进行限位，便于所述导流装置15的定位锁定。It can be understood that, the limiting groove 156 is limited when the flow guiding device 15 is engaged with other devices, so as to facilitate the positioning and locking of the flow guiding device 15 .
进一步，结合图6～10，所述引流装置包括：内部中空的风机外壳14，其内部形成用于导引气流的风腔；以及动力***，其设于所述风机外壳14内部，用于产生高压气流；Further, with reference to FIGS. 6 to 10 , the drainage device includes: a fan casing 14 that is hollow inside, and an air cavity for guiding airflow is formed inside; and a power system, which is arranged inside the fan casing 14 for generating high pressure airflow;
其中，所述风机外壳14从下到上依次包括：第一固定部141、渐阔部142及第二固定部143；所述渐阔部142的截面直径在竖直方向上呈逐渐扩大之势。The fan casing 14 includes, from bottom to top, a first fixing portion 141 , a widening portion 142 and a second fixing portion 143 ; the cross-sectional diameter of the widening portion 142 is gradually expanding in the vertical direction. .
可以理解的是，所述动力***设于所述风腔内，所述动力***与所述风腔共同形成供气流流通的风道，且所述动力***产生的气流具有较大的风压，以便于高压气流顺畅的流通于所述风道内。It can be understood that the power system is arranged in the air cavity, the power system and the air cavity together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, In order to facilitate the smooth circulation of high-pressure airflow in the air duct.
进一步，所述第一固定部141的外周设有至少一个的第二卡扣部144，所述第二卡扣部144沿所述第一固定部141的外周规则阵列，且所述第二卡扣部144的两侧均设有导向条145；Further, at least one second locking portion 144 is disposed on the outer periphery of the first fixing portion 141 , and the second locking portions 144 are regularly arrayed along the outer periphery of the first fixing portion 141 , and the second locking portion 144 is arranged in a regular array along the outer periphery of the first fixing portion 141 . Both sides of the buckle portion 144 are provided with guide strips 145;
所述第一固定部141的底端设有限位筋146，所述限位筋146沿竖直方向向下延伸。The bottom end of the first fixing portion 141 is provided with a limiting rib 146 , and the limiting rib 146 extends downward along the vertical direction.
可以理解的是，所述风机外壳14可通过所述第一固定部141底端的限位筋146与导流装置限位卡接，且可在进一步通过所述第二卡扣部144与所述导流装置的卡扣部件相配合进行卡接固定，同时所述第二卡扣部144的两侧均设有导向条145，可对所述第二卡扣部144进行导向作用，便于所述第二卡扣部144与导流装置卡接。It can be understood that the fan casing 14 can be clamped with the air guide device through the limiting rib 146 at the bottom end of the first fixing portion 141 , and can be further connected to the air guiding device through the second clamping portion 144 . The buckle parts of the flow guide device cooperate with each other for clamping and fixing, and at the same time, both sides of the second buckle part 144 are provided with guide strips 145, which can guide the second buckle part 144, which is convenient for the The second latching portion 144 is latched with the flow guiding device.
在本发明一实施例中，所述风机外壳14的底端设有限位筋146，所述导流装置15的导流部151的顶端表面设有一限位部155，所述限位部155与所述导流部151的顶端之间限定出一限位槽156，所述限位筋146与所述限位槽156相适配，所述风机外壳14与所述导流装置15装配时，通过所述限位筋146与所述限位槽156的配合初步定位，同时所述风机外壳14的外周设有第二卡扣部144，所述导流装置15的表面设有第一卡扣部153，所述第一卡扣部153的表面开设有卡槽1531，所述卡槽1531与所述第二卡扣部144相适配，所述风机外壳 14与所述导流装置15通过所述卡槽1531与所述第二卡扣部144的配合进行卡接固定，进一步，所述导流装置设有导向槽154，所述风机外壳14设有导向条145，所述导向条145与所述导向槽154在所述风机外壳14与所述导流装置15装配起导向作用，便于所述风机外壳14与所述导流装置15的装配。In an embodiment of the present invention, the bottom end of the fan casing 14 is provided with a limiting rib 146 , and the top surface of the air guide portion 151 of the air guide device 15 is provided with a limiting portion 155 , and the limiting portion 155 is connected with the limiting portion 155 . A limit groove 156 is defined between the top ends of the guide portion 151 , and the limit rib 146 is matched with the limit groove 156 . When the fan casing 14 is assembled with the guide device 15 , Preliminary positioning is performed through the cooperation of the limiting rib 146 and the limiting groove 156 , while the outer periphery of the fan casing 14 is provided with a second buckle portion 144 , and the surface of the air guide device 15 is provided with a first buckle. 153, the surface of the first snap portion 153 is provided with a snap slot 1531, the snap slot 1531 is adapted to the second snap portion 144, the fan housing 14 and the guide device 15 pass through The clamping slot 1531 is fitted with the second buckle portion 144 for clamping and fixing. Further, the flow guiding device is provided with a guiding groove 154, and the fan casing 14 is provided with a guiding strip 145. The guiding strip 145 The guide groove 154 plays a guiding role in the assembly of the fan casing 14 and the air guide device 15 , which facilitates the assembly of the fan casing 14 and the air guide device 15 .
进一步，所述动力***包括：内部中空的基座11，其横截面呈锥形，且内部设有一动力室；Further, the power system includes: a hollow base 11 with a conical cross-section and a power chamber inside;
固接于所述动力室内部的驱动装置12；以及a drive unit 12 fixed inside the powerhouse; and
与所述驱动装置12传动连接的叶轮13，所述叶轮13延轴向方向上设有进气端及出气端；an impeller 13 connected to the driving device 12 in a driving manner, the impeller 13 is provided with an air inlet end and an air outlet end in the axial direction;
其中，所述驱动装置12的动力输出轴与所述叶轮13传动连接。Wherein, the power output shaft of the driving device 12 is connected with the impeller 13 in a driving manner.
在本发明一优选的实施方式中，所述驱动装置12的动力输出轴表面设有定位镶件121，所述定位镶件121的底端开设有定位凹槽1211，所述叶轮13的出气端设有与所述定位凹槽1211相适配的定位凸缘131，所述驱动装置12及所述叶轮13通过所述定位凹糟1211及所述定位凸缘131的配合进行装配，同时有防滑作用，便于所述叶轮13随着所述驱动装置12的动力输出轴高速旋转。In a preferred embodiment of the present invention, a positioning insert 121 is provided on the surface of the power output shaft of the driving device 12 , a positioning groove 1211 is formed at the bottom end of the positioning insert 121 , and the air outlet end of the impeller 13 There is a positioning flange 131 matched with the positioning groove 1211, the driving device 12 and the impeller 13 are assembled through the cooperation of the positioning groove 1211 and the positioning flange 131, and there is anti-skid It is convenient for the impeller 13 to rotate at a high speed along with the power output shaft of the driving device 12 .
所述驱动装置12的动力输出轴表面设有螺纹部122，所述叶轮13的进气端设有锁止部132，所述驱动装置12与所述叶轮13装配完成后可通过所述螺纹部122在所述锁止部132的位置锁上螺帽，防止所述叶轮高速旋转过程中脱落。The surface of the power output shaft of the driving device 12 is provided with a threaded portion 122, and the intake end of the impeller 13 is provided with a locking portion 132. After the assembly of the driving device 12 and the impeller 13 is completed, the threaded portion can pass through the threaded portion. 122 lock the nut at the position of the locking portion 132 to prevent the impeller from falling off during high-speed rotation.
进一步，所述基座11包括：轮毂部111；Further, the base 11 includes: a hub portion 111;
至少两片在所述轮毂部111的外周上呈螺旋状布置的第一导叶112；以及at least two first guide vanes 112 spirally arranged on the outer circumference of the hub portion 111; and
设于所述第一导叶112外周的支撑部113；a support portion 113 disposed on the outer periphery of the first guide vane 112;
其中，相邻两片所述第一导叶112间隔布置以限定出位于两片所述第一导 叶112之间的第一导风通道。Wherein, two adjacent first guide vanes 112 are arranged at intervals to define a first air guide channel between the two first guide vanes 112 .
可以理解的是，所述第一导风通道与所述叶轮13的出气端相连通，以对所述叶轮13高速旋转产生的气流进行初步的风向修正，将所述叶轮13高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳进入其他装置，同时还可降低***噪音。It can be understood that the first air guide channel is communicated with the air outlet end of the impeller 13, so as to perform preliminary wind direction correction on the airflow generated by the high-speed rotation of the impeller 13, and the airflow generated by the high-speed rotation of the impeller 13. It is approximately corrected to the state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow, so as to facilitate the smooth entry of the high-pressure airflow into other devices, and at the same time, the system noise can be reduced.
在本发明一优选的实施方式中，所述轮毂部111的外周表面开设有至少2个的通气孔1111，以引导气流对所述驱动装置12降温。In a preferred embodiment of the present invention, at least two ventilation holes 1111 are formed on the outer peripheral surface of the hub portion 111 to guide airflow to cool the driving device 12 .
可以理解的是，所述驱动装置12在运行过程中会产生高温，所述驱动装置12长时间在高温下运行会影响所述驱动装置12的使用寿命，所述轮毂部111的外周表面开设有至少2个的通气孔1111，所述通气孔1111可引导气流对所述驱动装置降温，延长所述驱动装置12的使用寿命。It can be understood that the driving device 12 will generate high temperature during operation, and the long-term operation of the driving device 12 at a high temperature will affect the service life of the driving device 12. The outer peripheral surface of the hub portion 111 is provided with There are at least two ventilation holes 1111 , the ventilation holes 1111 can guide the airflow to cool down the driving device and prolong the service life of the driving device 12 .
所述基座11通过所述支撑部113与所述风机外壳相卡接。The base 11 is clamped with the fan casing through the support portion 113 .
在本发明一优选的实施例中，所述第一固定部143的顶端沿竖直方向向上延伸有第一环壁147，所述第一环壁147的表面开设有至少2个的止口1471，所述止口1471的设有第一螺纹柱1472，所述支撑部113的底端沿竖直方向向下延伸有第二环壁1131，所述第二环壁1131与所述第一环壁147相适配，所述第二环壁1131的外周设有第二螺纹柱1132，所述基座11及所述风机外壳14通过所述第一环壁147及所述第二环壁1131的配合进行定位装配，所述止口1471用于对所述基座11进行限位，所述第一螺纹柱1472及第二螺纹柱1132用于对所述基座11及所述风机外壳14锁止固定。In a preferred embodiment of the present invention, a top end of the first fixing portion 143 extends upward along a vertical direction with a first annular wall 147 , and at least two stop openings 1471 are defined on the surface of the first annular wall 147 . , the stop 1471 is provided with a first threaded post 1472, the bottom end of the support portion 113 extends downward along the vertical direction with a second ring wall 1131, the second ring wall 1131 and the first ring wall 1131 The second ring wall 1131 is provided with a second threaded post 1132 on the outer circumference. The base 11 and the fan casing 14 pass through the first ring wall 147 and the second ring wall 1131 The stop 1471 is used to limit the position of the base 11 , and the first threaded post 1472 and the second threaded post 1132 are used for the base 11 and the fan housing 14 . Lock and fix.
进一步，结合图11～14，所述导正装置包括：导叶外壳17，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；以及设于所述导叶外壳17内部 的导正件16；Further, with reference to FIGS. 11 to 14 , the guiding device includes: a guide vane housing 17 , which is hollow inside and open at the upper and lower ends to form an upper opening and a lower opening respectively; The guide piece 16;
其中，所述导正件16包括：固定部161；至少两片在所述固定部161的外周上呈螺旋状布置的第二导叶162，所述第二导叶162的外周与所述导叶外壳17的内侧接触连接，相邻两片所述第二导叶162间隔布置以限定出位于两片所述第二导叶162及所述导叶外壳17之间的第二导风通道。Wherein, the guiding member 16 includes: a fixing part 161; at least two second guide vanes 162 arranged in a spiral shape on the outer circumference of the fixing part 161, the outer circumference of the second guiding vane 162 and the guiding The inner sides of the vane casings 17 are connected in contact, and two adjacent second guide vanes 162 are arranged at intervals to define a second air guide channel between the two second guide vanes 162 and the guide vane casing 17 .
在本发明一实施例中，所述第一导风通道与所述第二导风通道相连通，所述第二导风通道对叶轮高速旋转产生的气流进行风向修正，将叶轮高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳进入其他装置，同时还可降低***噪音。In an embodiment of the present invention, the first air guide channel is communicated with the second air guide channel, and the second air guide channel corrects the wind direction of the airflow generated by the high-speed rotation of the impeller, and corrects the airflow generated by the high-speed rotation of the impeller. The airflow is approximately corrected to a state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow, facilitating the smooth entry of the high-pressure airflow into other devices, and reducing system noise.
在本发明一优选的实施方式中，所述导叶外壳17包括：拢风部171，其截面直径在竖直方向上呈逐渐缩小之势；以及In a preferred embodiment of the present invention, the guide vane housing 17 includes: a wind collecting portion 171, the cross-sectional diameter of which is gradually reduced in the vertical direction; and
设于所述拢风部171外周的至少2个的卡接部172，所述卡接部172沿所述拢风部171的外周规则阵列。At least two engaging portions 172 are provided on the outer circumference of the wind collecting portion 171 , and the engaging portions 172 are regularly arrayed along the outer circumference of the wind collecting portion 171 .
可以理解的是，所述拢风部171截面直径在竖直方向上呈逐渐缩小之势，具有扩大气流出风量的优势，可使大量气流聚集在所述导叶外壳17的上敞口处，从而进入无叶风扇的其他装置，使得所述导叶外壳17的上敞口处的气流增强，提高用户的体验度。It can be understood that the cross-sectional diameter of the wind collecting portion 171 is gradually decreasing in the vertical direction, which has the advantage of expanding the air volume of the air flow, so that a large amount of air flow can be gathered at the upper opening of the guide vane housing 17, Therefore, other devices of the bladeless fan are entered, so that the airflow at the upper opening of the guide vane housing 17 is enhanced, and the user experience is improved.
同时所述拢风部171的外周设有多个卡接部172，所述卡接部172用于与其他部件挠性连接，以对叶轮组件进行固定及减震。At the same time, the outer periphery of the wind collecting portion 171 is provided with a plurality of engaging portions 172, and the engaging portions 172 are used for flexibly connecting with other components to fix and dampen the impeller assembly.
进一步，所述拢风部171的底端沿轴向方向向下延伸有外部凸缘173，以便于与其他装置限位卡接。Further, the bottom end of the wind collecting portion 171 is provided with an outer flange 173 extending downward in the axial direction, so as to be limited and clamped with other devices.
所述外部凸缘173的表面设有至少1个的定位止口174，所述定位止口174 的位置设有第一螺纹过孔175，以便于其他部件定位锁接。The surface of the outer flange 173 is provided with at least one positioning stopper 174 , and the position of the positioning stopper 174 is provided with a first threaded through hole 175 to facilitate positioning and locking of other components.
可以理解的是，所述外部凸缘173可对所述导叶外壳17装配时进行初步定位，所述定位止口174进行进一步定位，所述第一螺纹过孔175可将所述导叶外壳17与其他部件螺接，以对所述导叶外壳17进行定位锁定。It can be understood that, the outer flange 173 can be used for preliminary positioning of the guide vane shell 17 during assembly, the positioning stop 174 can be further positioned, and the first threaded through hole 175 can be used for the guide vane shell. 17 is screwed with other components to position and lock the guide vane housing 17 .
进一步，所述固定部161呈锥形且内部中空，所述固定部161内部设有至少一个的固定柱163，所述固定柱163沿竖直方向向下延伸，所述固定柱163的内部卡设有第二螺纹过孔164，以便于所述导正件16与其他部件相锁接。Further, the fixing portion 161 is tapered and hollow inside, at least one fixing post 163 is provided inside the fixing portion 161 , the fixing post 163 extends downward in the vertical direction, and the interior of the fixing post 163 is clamped A second threaded through hole 164 is provided to facilitate the locking of the guide member 16 with other components.
所述固定部161的底端沿竖直方向向下延伸有定位部165，以便于所述导正件16与其他部件装配时进行定位。A positioning portion 165 extends downward from the bottom end of the fixing portion 161 in the vertical direction, so as to facilitate the positioning of the guiding member 16 when assembling with other components.
可以理解的是，所述定位部165可在所述导正件16装配时进行初步定位，便于装配时的后续操作，所述第二螺纹过孔164可将所述导正件16与其他部件螺接，以对所述导正件16进行定位锁定。It can be understood that the positioning portion 165 can perform preliminary positioning during the assembly of the guide member 16, which is convenient for subsequent operations during assembly, and the second threaded through hole 164 can connect the guide member 16 with other components. Screw connection to position and lock the guide member 16 .
进一步，在结合图2，还包括：控制装置18，所述控制装置18控制所述叶轮组件的运行。Further, in conjunction with FIG. 2 , it also includes: a control device 18 , the control device 18 controls the operation of the impeller assembly.
在本发明一实施例中，所述控制装置18固接于所述导正件16的顶端，所述控制装置18与所述驱动装置12电性连接，以控制所述驱动装置12的运行。In an embodiment of the present invention, the control device 18 is fixed on the top of the guide member 16 , and the control device 18 is electrically connected with the driving device 12 to control the operation of the driving device 12 .
本发明还提供了一种无叶风扇，其特征在于，其包含有根据上述任一项所述的叶轮组件。The present invention also provides a bladeless fan, which is characterized in that it includes the impeller assembly according to any one of the above.
综上所述，本发明的提供了一种叶轮组件，其To sum up, the present invention provides an impeller assembly, which
1)、导流流装置结构简单，用于向高速旋转的叶轮的进气端导入气流，使叶轮顺畅运行，同时还起到降噪作用；1) The structure of the diversion device is simple, and it is used to introduce air flow to the intake end of the high-speed rotating impeller, so that the impeller runs smoothly, and it also plays a role in noise reduction;
2)、引流装置结构简单，便于零部件额组装，且动力***与风机外壳共同形 成供气流流通的风道，且动力***产生的气流具有较大的风压，以便于高压气流顺畅的流通于所述风道内；2) The structure of the drainage device is simple, which is convenient for the assembly of parts and components, and the power system and the fan casing together form an air duct for airflow, and the airflow generated by the power system has a large wind pressure, so that the high-pressure airflow can flow smoothly. in the air duct;
3)、导正装置可对叶轮高速旋转产生的气流进行风向修正，将叶轮高速旋转产生的气流近似的修正到与所述叶轮轴向平行的状态，进而改善高压风流的性能，以利于高压风流平稳进入其他装置，同时还可降低***噪音。3) The guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and approximately correct the airflow generated by the high-speed rotation of the impeller to the state parallel to the axial direction of the impeller, thereby improving the performance of the high-pressure airflow to facilitate the high-pressure airflow. Smooth access to other devices while reducing system noise.
这里说明的设备数量和处理规模是用来简化本发明的说明的。对本发明的应用、修改和变化对本领域的技术人员来说是显而易见的。The number of apparatuses and processing scales described here are intended to simplify the description of the present invention. Applications, modifications and variations to the present invention will be apparent to those skilled in the art.
尽管本发明的实施方案已公开如上，但其并不仅仅限于说明书和实施方式中所列运用。它完全可以被适用于各种适合本发明的领域。对于熟悉本领域的人员而言，可容易地实现另外的修改。因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里示出与描述的图例。Although embodiments of the present invention have been disclosed above, they are not limited to the applications set forth in the specification and embodiments. It can be fully adapted to various fields suitable for the present invention. Additional modifications can readily be implemented by those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations herein shown and described, without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (32)

  1. 一种叶轮组件，其特征在于，包括：An impeller assembly, characterized in that, comprising:
    导流装置(15)，其可导入气流；a flow guiding device (15), which can introduce air flow;
    引流装置，其将所述导流装置(15)导入的气流生成高压气流并顺畅流通；以及A drainage device, which generates high-pressure airflow and smoothly circulates the airflow introduced by the airflow guide device (15); and
    导正装置，其对所述引流装置高速旋转产生的气流进行风向修正，将所述引流装置高速旋转产生的气流近似的修正到与所述引流装置轴向平行的状态；A guiding device, which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device, and approximately corrects the airflow generated by the high-speed rotation of the drainage device to a state parallel to the axial direction of the drainage device;
    其中，所述导流装置(15)、所述引流装置以及所述导正装置依次连通。Wherein, the diversion device (15), the diversion device and the straightening device are communicated in sequence.
  2. 如权利要求1所述的叶轮组件，其特征在于，所述导流装置(15)包括：导流部(151)，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；The impeller assembly according to claim 1, wherein the flow guiding device (15) comprises: a flow guiding part (151), the interior of which is hollow and the upper and lower ends are open to form an upper opening and a lower opening respectively ;
    其中，所述导流部(151)的截面直径在竖直方向上呈逐渐缩小之势。Wherein, the cross-sectional diameter of the flow guiding portion (151) is gradually decreasing in the vertical direction.
  3. 如权利要求2所述的叶轮组件，其特征在于，所述导流部(151)的表面沿竖直方向向上延伸有至少一个的上裙部(152)；The impeller assembly according to claim 2, characterized in that, at least one upper skirt (152) extends upward along the surface of the guide portion (151) along the vertical direction;
    其中，所述上裙部(152)以沿所述导流部(151)轴线为圆心的圆周规则阵列，且相邻两所述上裙部(152)之间限定出一卡接空间；Wherein, the upper skirt portions (152) are in a regular array with a circle centered along the axis of the air guide portion (151), and a clamping space is defined between two adjacent upper skirt portions (152);
    所述导流部(151)的表面沿竖直方向向上还延伸有第一卡扣部(153)，所述第一卡扣部(153)至少设有一个，且所述第一卡扣部(153)设于所述卡接空间内。The surface of the guide portion (151) also extends upward along the vertical direction with a first snap portion (153), the first snap portion (153) is provided with at least one, and the first snap portion (153) (153) is arranged in the clamping space.
  4. 如权利要求1所述的叶轮组件，其特征在于，所述引流装置包括：内部中空的风机外壳(14)，其内部形成用于导引气流的风腔；以及动力***，其设于所述风机外壳(14)内部，用于产生高压气流；The impeller assembly according to claim 1, characterized in that, the flow guiding device comprises: an inner hollow fan casing (14), an air cavity for guiding the air flow is formed in the inner part; and a power system, which is provided in the Inside the fan casing (14) for generating high-pressure airflow;
    其中，所述风机外壳(14)从下到上依次包括：第一固定部(141)、渐阔部(142)及第二固定部(143)；所述渐阔部(142)的截面直径在竖直方向上呈逐渐扩大之势。Wherein, the fan casing (14) includes sequentially from bottom to top: a first fixing portion (141), a widening portion (142) and a second fixing portion (143); the cross-sectional diameter of the widening portion (142) It gradually expands in the vertical direction.
  5. 如权利要求4所述的叶轮组件，其特征在于，所述第一固定部(141)的外周设有至少一个的第二卡扣部(144)，所述第二卡扣部(144)沿所述第一固定部(141)的外周规则阵列，且所述第二卡扣部(144)的两侧均设有导向条(145)；The impeller assembly according to claim 4, characterized in that, at least one second snap portion (144) is provided on the outer periphery of the first fixing portion (141), and the second snap portion (144) extends along the The outer circumference of the first fixing portion (141) is regularly arrayed, and both sides of the second snap portion (144) are provided with guide strips (145);
    所述第一固定部(141)的底端设有限位筋(146)，所述限位筋(146)沿竖直方 向向下延伸。The bottom end of the first fixing portion (141) is provided with a limiting rib (146), and the limiting rib (146) extends downward along the vertical direction.
  6. 如权利要求4所述的叶轮组件，其特征在于，所述动力***包括：内部中空的基座(11)，其横截面呈锥形，且内部设有一动力室；The impeller assembly according to claim 4, wherein the power system comprises: a base (11) with a hollow interior, the cross section of which is tapered, and a power chamber is provided inside;
    固接于所述动力室内部的驱动装置(12)；以及a drive unit (12) fixed inside the powerhouse; and
    与所述驱动装置(12)传动连接的叶轮(13)，所述叶轮(13)延轴向方向上设有进气端及出气端；an impeller (13) drivingly connected with the driving device (12), the impeller (13) is provided with an air inlet end and an air outlet end in the axial direction;
    其中，所述驱动装置(12)的动力输出轴与所述叶轮(13)传动连接。Wherein, the power output shaft of the driving device (12) is connected with the impeller (13) in a transmission manner.
  7. 如权利要求6所述的叶轮组件，其特征在于，所述基座(11)包括：轮毂部(111)；The impeller assembly according to claim 6, wherein the base (11) comprises: a hub portion (111);
    至少两片在所述轮毂部(111)的外周上呈螺旋状布置的第一导叶(112)；以及at least two first guide vanes (112) spirally arranged on the outer circumference of the hub portion (111); and
    设于所述第一导叶(112)外周的支撑部(113)；a support portion (113) provided on the outer periphery of the first guide vane (112);
    其中，相邻两片所述第一导叶(112)间隔布置以限定出位于两片所述第一导叶(112)之间的第一导风通道。Wherein, two adjacent first guide vanes (112) are arranged at intervals to define a first air guide channel between the two first guide vanes (112).
  8. 如权利要求1所述的叶轮组件，其特征在于，所述导正装置包括：导叶外壳(17)，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；以及设于所述导叶外壳(17)内部的导正件(16)；The impeller assembly according to claim 1, wherein the guiding device comprises: a guide vane casing (17), the interior of which is hollow and the upper and lower ends are open to form an upper opening and a lower opening respectively; A guide member (16) inside the guide vane housing (17);
    其中，所述导正件(16)包括：固定部(161)；至少两片在所述固定部(161)的外周上呈螺旋状布置的第二导叶(162)，所述第二导叶(162)的外周与所述导叶外壳(17)的内侧接触连接，相邻两片所述第二导叶(162)间隔布置以限定出位于两片所述第二导叶(162)及所述导叶外壳(17)之间的第二导风通道。Wherein, the guiding member (16) comprises: a fixing part (161); at least two second guide vanes (162) arranged in a spiral shape on the outer circumference of the fixing part (161), the second guiding The outer circumference of the vane (162) is in contact with the inner side of the guide vane casing (17), and two adjacent second guide vanes (162) are arranged at intervals to define the two second guide vanes (162) and the second air guide channel between the guide vane casings (17).
  9. 如权利要求1所述的叶轮组件，其特征在于，还包括：控制装置(18)，所述控制装置(18)控制所述叶轮组件的运行。The impeller assembly of claim 1, further comprising: a control device (18), the control device (18) controlling the operation of the impeller assembly.
  10. 一种无叶风扇，其特征在于，其包含有根据权利要求1～9中任一项所述的叶轮组件。A bladeless fan, characterized in that it includes the impeller assembly according to any one of claims 1 to 9.
  11. 一种导流装置，其特征在于，包括：导流部(151)，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；A guide device, characterized in that it comprises: a guide part (151), the interior of which is hollow and both upper and lower ends are open to form an upper opening and a lower opening respectively;
    其中，所述导流部(151)的截面直径在竖直方向上呈逐渐缩小之势。Wherein, the cross-sectional diameter of the flow guiding portion (151) is gradually decreasing in the vertical direction.
  12. 如权利要求11所述的导流装置，其特征在于，所述导流部(151)的表面沿竖直方向向上延伸有至少一个的上裙部(152)；The air guide device according to claim 11, characterized in that, the surface of the air guide portion (151) extends upward along the vertical direction with at least one upper skirt portion (152);
    其中，所述上裙部(152)以沿所述导流部(151)轴线为圆心的圆周规则阵列，且相邻两所述上裙部(152)之间限定出一卡接空间。Wherein, the upper skirt parts (152) are in a regular array with a circle centered along the axis of the air guide part (151), and a clamping space is defined between two adjacent upper skirt parts (152).
  13. 如权利要求12所述的导流装置，其特征在于，所述导流部(151)的表面沿竖直方向向上还延伸有第一卡扣部(153)，所述第一卡扣部(153)至少设有一个，且所述第一卡扣部(153)设于所述卡接空间内。The air guide device according to claim 12, characterized in that, a surface of the air guide portion (151) further extends upward along a vertical direction with a first snap portion (153), and the first snap portion ( 153) At least one is provided, and the first snap portion (153) is provided in the snap space.
  14. 如权利要求13所述的导流装置，其特征在于，所述第一卡扣部(153)的表面开设有卡槽(1531)。The flow guiding device according to claim 13, characterized in that, a snap groove (1531) is formed on the surface of the first snap portion (153).
  15. 如权利要求13所述的导流装置，其特征在于，所述第一卡扣部(153)的侧端与所述上裙部(152)的侧端之间限定出一导向槽(154)。The air guide device according to claim 13, wherein a guide groove (154) is defined between the side end of the first snap portion (153) and the side end of the upper skirt portion (152). .
  16. 如权利要求11所述的导流装置，其特征在于，所述导流部(151)的顶端表面设有一限位部(155)，所述限位部(155)与所述导流部(151)的顶端之间限定出一限位槽(156)。The air guide device according to claim 11, characterized in that, a top end surface of the air guide portion (151) is provided with a limiting portion (155), and the limiting portion (155) is connected to the air guide portion (155). A limit groove (156) is defined between the top ends of 151).
  17. 一种叶轮组件，其特征在于，其包含有根据权利要求11～16中任一项所述的导流装置(15)；以及与所述导流装置(15)相卡接的引流装置。An impeller assembly, characterized in that it includes the flow guiding device (15) according to any one of claims 11 to 16; and a flow guiding device that is clamped to the flow guiding device (15).
  18. 一种引流装置，其特征在于，包括：内部中空的风机外壳(14)，其内部形成用于导引气流的风腔；以及动力***，其设于所述风机外壳(14)内部，用于产生高压气流；A drainage device, characterized in that it comprises: a fan casing (14) with a hollow interior, an air cavity for guiding airflow is formed in the interior; and a power system, which is arranged inside the fan casing (14) and used for generate high pressure airflow;
    其中，所述风机外壳(14)从下到上依次包括：第一固定部(141)、渐阔部(142)及第二固定部(143)；所述渐阔部(142)的截面直径在竖直方向上呈逐渐扩大之势。Wherein, the fan casing (14) includes sequentially from bottom to top: a first fixing portion (141), a widening portion (142) and a second fixing portion (143); the cross-sectional diameter of the widening portion (142) It gradually expands in the vertical direction.
  19. 如权利要求18所述的引流装置，其特征在于，所述第一固定部(141)的外周设有至少一个的第二卡扣部(144)，所述第二卡扣部(144)沿所述第一固定部(141)的外周规则阵列，且所述第二卡扣部(144)的两侧均设有导向条(145)。The drainage device according to claim 18, characterized in that, at least one second snap portion (144) is provided on the outer periphery of the first fixing portion (141), and the second snap portion (144) extends along the The outer circumference of the first fixing portion (141) is regularly arrayed, and guide strips (145) are provided on both sides of the second locking portion (144).
  20. 如权利要求19所述的引流装置，其特征在于，所述第一固定部(141)的 底端设有限位筋(146)，所述限位筋(146)沿竖直方向向下延伸。The drainage device according to claim 19, wherein the bottom end of the first fixing portion (141) is provided with a limiting rib (146), and the limiting rib (146) extends downward in a vertical direction.
  21. 如权利要求18所述的引流装置，其特征在于，所述动力***包括：内部中空的基座(11)，其横截面呈锥形，且内部设有一动力室；The drainage device according to claim 18, wherein the power system comprises: a base (11) with a hollow interior, the cross section of which is tapered, and a power chamber is provided inside;
    固接于所述动力室内部的驱动装置(12)；以及a drive unit (12) fixed inside the powerhouse; and
    与所述驱动装置(12)传动连接的叶轮(13)，所述叶轮(13)延轴向方向上设有进气端及出气端；an impeller (13) drivingly connected with the driving device (12), the impeller (13) is provided with an air inlet end and an air outlet end in the axial direction;
    其中，所述驱动装置(12)的动力输出轴与所述叶轮(13)传动连接。Wherein, the power output shaft of the driving device (12) is connected with the impeller (13) in a transmission manner.
  22. 如权利要求21所述的引流装置，其特征在于，所述基座(11)包括：轮毂部(111)；The drainage device according to claim 21, wherein the base (11) comprises: a hub portion (111);
    至少两片在所述轮毂部(111)的外周上呈螺旋状布置的第一导叶(112)；以及at least two first guide vanes (112) spirally arranged on the outer circumference of the hub portion (111); and
    设于所述第一导叶(112)外周的支撑部(113)；a support portion (113) provided on the outer periphery of the first guide vane (112);
    其中，相邻两片所述第一导叶(112)间隔布置以限定出位于两片所述第一导叶(112)之间的第一导风通道。Wherein, two adjacent first guide vanes (112) are arranged at intervals to define a first air guide channel between the two first guide vanes (112).
  23. 如权利要求22所述的引流装置，其特征在于，所述轮毂部(111)的外周表面开设有至少2个的通气孔(1111)，以引导气流对所述驱动装置(12)降温。The drainage device according to claim 22, wherein at least two ventilation holes (1111) are formed on the outer peripheral surface of the hub portion (111) to guide airflow to cool the driving device (12).
  24. 如权利要求22所述的引流装置，其特征在于，所述基座(11)通过所述支撑部(113)与所述风机外壳相卡接。The drainage device according to claim 22, characterized in that, the base (11) is clamped with the fan casing through the support portion (113).
  25. 一种叶轮组件，其特征在于，其包含有根据权利要求18～24中任一项所述的引流装置；以及与所述引流装置相卡接的导流装置。An impeller assembly, characterized in that it includes the flow guiding device according to any one of claims 18 to 24; and a flow guiding device that is clamped with the flow guiding device.
  26. 一种导正装置，其特征在于，包括：导叶外壳(17)，其内部中空并且上下两端均敞开以分别形成上敞口与下敞口；以及设于所述导叶外壳(17)内部的导正件(16)；A guiding device, characterized in that it comprises: a guide vane casing (17), the interior of which is hollow and both upper and lower ends are open to form an upper opening and a lower opening respectively; Internal guide (16);
    其中，所述导正件(16)包括：固定部(161)；至少两片在所述固定部(161)的外周上呈螺旋状布置的第二导叶(162)，所述第二导叶(162)的外周与所述导叶外壳(17)的内侧接触连接，相邻两片所述第二导叶(162)间隔布置以限定出位于两片所述第二导叶(162)及所述导叶外壳(17)之间的第二导风通道。Wherein, the guiding member (16) comprises: a fixing part (161); at least two second guide vanes (162) arranged in a spiral shape on the outer circumference of the fixing part (161), the second guiding The outer circumference of the vane (162) is in contact with the inner side of the guide vane casing (17), and two adjacent second guide vanes (162) are arranged at intervals to define the two second guide vanes (162) and the second air guide channel between the guide vane casings (17).
  27. 如权利要求26所述的导正装置，其特征在于，所述导叶外壳(17)包括：拢风部(171)，其截面直径在竖直方向上呈逐渐缩小之势；以及The straightening device according to claim 26, wherein the guide vane housing (17) comprises: a wind-gathering portion (171), the cross-sectional diameter of which is gradually reduced in the vertical direction; and
    设于所述拢风部(171)外周的至少2个的卡接部(172)，所述卡接部(172)沿所述拢风部(171)的外周规则阵列。At least two clamping parts (172) are provided on the outer circumference of the wind collecting part (171), and the clamping parts (172) are regularly arrayed along the outer circumference of the wind collecting part (171).
  28. 如权利要求27所述的导正装置，其特征在于，所述拢风部(171)的底端沿轴向方向向下延伸有外部凸缘(173)，以便于与其他装置限位卡接。The straightening device according to claim 27, characterized in that, an outer flange (173) extends downward from the bottom end of the wind catcher (171) in the axial direction, so as to facilitate the limit clamping with other devices .
  29. 如权利要求28所述的导正装置，其特征在于，所述外部凸缘(173)的表面设有至少1个的定位止口(174)，所述定位止口(174)的位置设有第一螺纹过孔(175)，以便与其他部件定位锁接。The alignment device according to claim 28, characterized in that, the surface of the outer flange (173) is provided with at least one positioning stopper (174), and the position of the positioning stopper (174) is provided with The first threaded through hole (175) is used for positioning and locking with other components.
  30. 如权利要求26所述的导正装置，其特征在于，所述固定部(161)呈锥形且内部中空，所述固定部(161)内部设有至少一个的固定柱(163)，所述固定柱(163)沿竖直方向向下延伸，所述固定柱(163)的内部卡设有第二螺纹过孔(164)，以便于所述导正件(16)与其他部件相锁接。The alignment device according to claim 26, wherein the fixing portion (161) is tapered and hollow inside, and at least one fixing column (163) is provided inside the fixing portion (161), and the The fixing column (163) extends downward in a vertical direction, and a second threaded through hole (164) is clamped inside the fixing column (163), so as to facilitate the locking of the guiding member (16) with other components .
  31. 如权利要求30所述的导正装置，其特征在于，所述固定部(161)的底端沿竖直方向向下延伸有定位部(165)，以便于所述导正件(16)与其他部件装配时进行定位。The alignment device according to claim 30, characterized in that, a positioning portion (165) extends downward along the vertical direction at the bottom end of the fixing portion (161), so as to facilitate the alignment of the alignment element (16) with Positioning of other components during assembly.
  32. 一种叶轮组件，其特征在于，其包含有根据权利要求26～31中任一项所述的导正装置。An impeller assembly, characterized in that it includes the straightening device according to any one of claims 26-31.
PCT/CN2021/104683 2020-07-06 2021-07-06 Impeller assembly, airflow introduction device, airflow guide device, correction device, and bladeless fan WO2022007780A1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
CN202021297180.1U CN213116856U (en) 2020-07-06 2020-07-06 Guiding device and impeller assembly
CN202021297180.1 2020-07-06
CN202010640098.2 2020-07-06
CN202021298223.8 2020-07-06
CN202021298259.6U CN212615608U (en) 2020-07-06 2020-07-06 Impeller assembly and bladeless fan
CN202010640098.2A CN111795008B (en) 2020-07-06 2020-07-06 Impeller assembly and bladeless fan
CN202021297224.0 2020-07-06
CN202021298223.8U CN213511363U (en) 2020-07-06 2020-07-06 Guide device and impeller assembly
CN202021297224.0U CN213511277U (en) 2020-07-06 2020-07-06 Drainage device and impeller subassembly
CN202021298259.6 2020-07-06

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WO2022007780A1 true WO2022007780A1 (en) 2022-01-13

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2010101282A4 (en) * 2009-03-04 2010-12-16 Dyson Technology Limited A fan assembly
GB2502105B (en) * 2012-05-16 2016-01-27 Dyson Technology Ltd A fan
CN107461346A (en) * 2016-06-03 2017-12-12 德昌电机(深圳)有限公司 Drive device and the bladeless fan with the drive device
CN111795008A (en) * 2020-07-06 2020-10-20 追觅科技(上海)有限公司 Impeller assembly and bladeless fan
CN212615608U (en) * 2020-07-06 2021-02-26 追觅科技(上海)有限公司 Impeller assembly and bladeless fan
CN213116856U (en) * 2020-07-06 2021-05-04 追觅科技(上海)有限公司 Guiding device and impeller assembly
CN213511363U (en) * 2020-07-06 2021-06-22 追觅科技(上海)有限公司 Guide device and impeller assembly
CN213511277U (en) * 2020-07-06 2021-06-22 追觅科技(上海)有限公司 Drainage device and impeller subassembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2010101282A4 (en) * 2009-03-04 2010-12-16 Dyson Technology Limited A fan assembly
GB2502105B (en) * 2012-05-16 2016-01-27 Dyson Technology Ltd A fan
CN107461346A (en) * 2016-06-03 2017-12-12 德昌电机(深圳)有限公司 Drive device and the bladeless fan with the drive device
CN111795008A (en) * 2020-07-06 2020-10-20 追觅科技(上海)有限公司 Impeller assembly and bladeless fan
CN212615608U (en) * 2020-07-06 2021-02-26 追觅科技(上海)有限公司 Impeller assembly and bladeless fan
CN213116856U (en) * 2020-07-06 2021-05-04 追觅科技(上海)有限公司 Guiding device and impeller assembly
CN213511363U (en) * 2020-07-06 2021-06-22 追觅科技(上海)有限公司 Guide device and impeller assembly
CN213511277U (en) * 2020-07-06 2021-06-22 追觅科技(上海)有限公司 Drainage device and impeller subassembly

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