WO2022089262A1 - 贯流风扇及空调器 - Google Patents

贯流风扇及空调器 Download PDF

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Publication number
WO2022089262A1
WO2022089262A1 PCT/CN2021/124837 CN2021124837W WO2022089262A1 WO 2022089262 A1 WO2022089262 A1 WO 2022089262A1 CN 2021124837 W CN2021124837 W CN 2021124837W WO 2022089262 A1 WO2022089262 A1 WO 2022089262A1
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WO
WIPO (PCT)
Prior art keywords
cross
moving
support plate
flow fan
fan blades
Prior art date
Application number
PCT/CN2021/124837
Other languages
English (en)
French (fr)
Inventor
曹高华
樊明敬
郝本华
李国行
王宪强
李学瑞
孟静
崔凯
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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
Application filed by 青岛海尔空调器有限总公司, 青岛海尔空调电子有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2022089262A1 publication Critical patent/WO2022089262A1/zh

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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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the present application relates to the technical field of air conditioning equipment, and in particular, to a cross-flow fan and an air conditioner.
  • Air conditioner is a household equipment commonly used in our daily life. It can adjust parameters such as temperature, humidity, cleanliness and air flow rate of the air in the room (or closed space, area) to meet the requirements of human comfort or process.
  • the cross-flow fan of the air conditioner indoor unit is widely used in air conditioners and small air supply equipment due to its excellent characteristics such as large flow, low noise, and stable air supply.
  • the impeller of the cross-flow fan is multi-blade, long cylindrical, and has fixed forward multi-blade blades.
  • one end of the cross-flow fan is rotatably installed on the casing, and the other end is driven by the main motor to rotate.
  • the change of the air volume during the operation of the air conditioner is controlled by controlling the speed of the main motor.
  • the high-speed cross-flow fan is often accompanied by noise, which affects the overall performance of the air conditioner.
  • Embodiments of the present application provide a cross-flow fan and an air conditioner, which are used to solve the problem that noise is easily caused when the existing air conditioner controls the air volume by changing the rotational speed.
  • An embodiment of the present application provides a cross-flow fan, which includes at least two support discs arranged at intervals, wherein one of the support discs is rotatably connected with a diverter coaxially; the support discs are spaced and swingable in the circumferential direction A plurality of moving fan blades are installed, and the plurality of moving fan blades are all connected to the diverter so as to swing relative to the support plate with the rotation of the diverter.
  • the diverter includes a turntable rotatably connected to the support disc, the turntable and the support disc are coaxially arranged; the turntable is fixed with the support disc in the circumferential direction There is a one-to-one corresponding rotating rod of the moving fan blades, and the rotating rod is connected to the moving fan blade.
  • the rotating rod is provided with a clamping claw
  • the moving fan blade is provided with a swing rod
  • the clamping claw is connected to the swing rod to drive the moving fan blade to swing.
  • the clamping claw is clamped to the side wall of the swing rod along the axial direction of the swing rod, and the end of the swing rod facing away from the moving fan blade is provided with a stopper. stopper.
  • the cross-flow fan according to an embodiment of the present application further includes a motor, the casing of the motor is fixed to the support plate, and the output shaft of the motor is coaxially arranged with the axis of the support plate; The center is also provided with a shaft hole matched with the output shaft of the motor.
  • a position sensor is further provided on the output shaft of the motor.
  • the support plate is further fixed with fixed fan blades corresponding to the moving fan blades one-to-one.
  • the fan blade is provided with a clamping shaft in the longitudinal direction, and the clamping shaft is swivelably embedded in the clamping groove.
  • the support plate is provided with limit openings corresponding to the moving fan blades one-to-one in the circumferential direction, and the moving fan blades are arranged in the limit openings to limit all the The swing angle of the moving fan blade.
  • the support plate is further fixed with an end cover, and a side of the end cover facing away from the support plate is further provided with a support shaft.
  • Embodiments of the present application further provide an air conditioner, including the cross-flow fan as described above.
  • the cross-flow fan is provided with a plurality of moving fan blades that are swingably connected to the support plate, and then the moving fan is driven by a diverter that is rotatably and coaxially connected to the support plate.
  • the blade swings, thereby changing the air outlet angle of the moving fan blade.
  • the air outlet angle is different, and the air outlet volume is also different.
  • the angle of the fan blade can be changed to achieve the purpose of changing the air volume.
  • the cross-flow fan improves the existing fixed fan blade structure, and can adjust the air outlet angle of the fan blade in real time according to the air volume demand, reduces the power waste of the main motor in adjusting the speed of rotation, and prevents noise caused by excessive rotation speed.
  • FIG. 1 is a schematic structural diagram of a cross-flow fan provided by an embodiment of the present application.
  • Fig. 2 is a partial enlarged schematic view of the cross-flow fan in Fig. 1;
  • FIG. 3 is a front view of a cross-flow fan provided by an embodiment of the present application.
  • FIG. 4 is a side view of a cross-flow fan provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of the cross-flow fan provided by the embodiment of the present application after removing the end cover;
  • Fig. 6 is a partial enlarged schematic view of the cross-flow fan in Fig. 5;
  • FIG. 7 is a schematic structural diagram of a diverter provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of the cross-flow fan provided by the embodiment of the present application after removing the end cover, the diverter and the motor;
  • Fig. 9 is a partial enlarged schematic view of the support plate in Fig. 8.
  • FIG. 10 is a schematic structural diagram of a moving fan blade and a fixed fan blade provided by an embodiment of the present application;
  • FIG. 11 is a schematic structural diagram of a wireless power supply motor provided by an embodiment of the present application.
  • FIG. 12 is a schematic cross-sectional schematic diagram of a wireless power supply motor provided by an embodiment of the present application.
  • connection should be understood in a broad sense, for example, it may be directly connected or indirectly connected through an intermediate medium.
  • connection should be understood in a broad sense, for example, it may be directly connected or indirectly connected through an intermediate medium.
  • a cross-flow fan provided by an embodiment of the present application includes at least two supporting disks 1 arranged at intervals, and one of the supporting disks 1 is rotatably connected to a diverter 3 coaxially.
  • the support plate 1 is provided with a plurality of moving blades 2 in a circumferentially spaced and swingable manner, and the plurality of moving blades 2 are all connected to the diverter 3 to swing relative to the support plate 1 with the rotation of the diverter 3 .
  • the support plate 1 can be a disc-shaped plate, and a plurality of support plates 1 are arranged in parallel at intervals in the axial direction.
  • the number of the support plates 1 can be reasonably selected according to the length required by the cross-flow fan.
  • the four supporting disks 1 are mainly used as an example for description, which is not limited here.
  • the support plates 1 at both ends mainly play the role of connecting other equipment components.
  • the leftmost support plate 1 is provided with a driving shaft 7, and the external main motor can be connected through the driving shaft 7, and then Drive the entire cross-flow fan to rotate.
  • the support plate 1 in the middle mainly plays a supporting role, preventing uneven force in the middle due to the excessive length of the moving fan blades 2, resulting in vibration noise and affecting the stability of the air outlet.
  • a plurality of moving fan blades 2 are installed at intervals in the circumferential direction of the support disk 1 , and the moving fan blades 2 can be evenly distributed along the circumferential direction of the support disk 1 .
  • Each moving fan blade 2 is swingably connected to each supporting disk 1 , and the swing axis of the moving fan blade 2 is parallel to the axis of the supporting disk 1 .
  • the angle between the side surface of the moving fan blade 2 and the rotation direction of the support plate 1 can be changed, that is, the air outlet angle of the moving fan blade 2, and then the The air volume can be changed without changing the speed of the flow fan.
  • a diverter 3 is coaxially and rotatably mounted on the rightmost support plate 1, and the diverter 3 can rotate together with the support plate 1, At this time, the diverter 3 and the support plate 1 are relatively stationary; at the same time, the diverter 3 can also independently perform another rotational movement when the outlet angle of the moving fan blade 2 needs to be changed, so that the diverter 3 is relatively relative to the support plate 1. Rotation, because the diverter 3 is connected to each moving fan blade 2, and the connection point deviates from the swing axis of the moving fan blade 2, and when the diverter 3 rotates relatively, it can drive the moving fan blade 2 to swing relative to the support plate 1. .
  • the diverter 3 can also be mounted on the intermediate support disk 1 . If the diverter 3 is installed on the support discs 1 at both ends, the moving fan blade 2 is connected to the diverter 3 through its ends; if the diverter 3 is installed on the middle support disc 1, the moving fan blade 2 passes through Its side is connected to the steering gear 3 . No matter which connection method is adopted, it is only necessary to make the connection point of the diverter 3 and the moving fan blade 2 deviate from the swing axis of the moving fan blade 2 .
  • the cross-flow fan provided in this embodiment, a plurality of moving blades 2 swivelably connected to the support plate 1 are provided, and then the diverter 3 rotatably coaxially connected to the support plate 1 is used to drive the moving blades 2 to swing, Then, the air outlet angle of the moving fan blade 2 is changed.
  • the air outlet angle is different, and the air outlet volume is also different.
  • the angle of the fan blade can be changed to achieve the purpose of changing the air volume.
  • the cross-flow fan improves the existing fixed fan blade structure, and can adjust the air outlet angle of the fan blade in real time according to the air volume demand, reduces the power waste of the main motor in adjusting the speed of rotation, and prevents noise caused by excessive rotation speed.
  • the diverter 3 includes a turntable 31 rotatably connected to the support disc 1 , and the turntable 31 is coaxially arranged with the support disc 1 .
  • the rotating plate 31 is fixedly connected with the rotating rods 32 corresponding to the moving fan blades 2 one-to-one in the circumferential direction, and the rotating rods 32 are connected to the moving fan blades 2 .
  • the turntable 31 may be a disc-shaped plate coaxial with the support disc 1 .
  • the center of the support disc 1 is provided with a steering gear installation position 11 , and the turntable 31 may be connected to the steering gear installation position 11 .
  • the bosses are butted to realize coaxial rotation connection.
  • a rotating rod 32 is provided at a position corresponding to each moving fan blade 2 in the circumferential direction of the rotating disk 31 . More specifically, as shown in FIG. 7 , the length direction of the rotating rod 32 can be arranged along the radial direction of the turntable 31 , and with the rotation of the turntable 31 , the moving fan blade 2 can be driven to swing around its swing axis.
  • the end of the rotating rod 32 can be provided with a claw 33
  • the moving fan blade 2 is provided with a swing rod 21
  • the claw 33 is connected to the swing rod 21 to drive the moving fan blade 2 to swing.
  • the clamping claw 33 can be clamped on the side wall of the swing rod 21
  • the clamping claw 33 is provided with a clamping groove that is adapted to the outer wall surface of the pendulum rod 21
  • the clamping groove has an opening through which the pendulum rod 21 can pass through. It can be pressed into the snap-fit slot, and can be pulled out from the opening in reverse during disassembly, thereby facilitating the quick disassembly and assembly between the rotating rod 32 and the swing rod 21 .
  • a stopper 22 is provided at the end of the swing rod 21 away from the moving fan blade 2 .
  • the size of the stopper 22 may be larger than the size of the engaging groove of the claws 33 , and the stopper 22 may be a sphere, a block, a cylinder or other shapes, which are not limited here.
  • FIG. 3 it also includes a motor 4 , the casing 41 of the motor 4 is fixed to the support plate 1 , and the output shaft 431 of the motor 4 is coaxially arranged with the axis of the support plate 1 .
  • the center of the turntable 31 is also provided with a shaft hole 34 which is matched with the output shaft of the motor 4 .
  • the casing 41 of the motor 4 can be fixed at the motor fixing position 12 of the support plate 1, which can be bonded, welded, or detachable connection (such as bolted connection), etc.
  • the bolted connection is used as an example for description.
  • two mounting flanges 411 are symmetrically arranged on the casing 41 of the motor 4, and at the same time, two bolt connection columns are correspondingly arranged on the support plate 1, and the two bolt connection columns are symmetrical with respect to the axis of the support plate 1, so through
  • the motor 4 can be coaxially mounted on the support plate 1 with bolts.
  • the center of the turntable 31 is further provided with a shaft hole 34 , and the output shaft 431 of the motor 4 can be inserted into the shaft hole 34 to drive the turntable 31 to rotate.
  • the shaft hole 34 is a square hole, which can prevent the output shaft 431 of the motor 4 from slipping off the turntable 31 .
  • the casing 41 of the motor 4 can rotate synchronously with the rotation of the support plate 1.
  • the output shaft 431 of the motor 4 does not rotate, and the moving fan blade 2 does not occur. Swing; when the outlet angle of the moving fan blade 2 needs to be changed, the output shaft 431 of the motor 4 outputs an independent rotational motion, which drives the moving fan blade 2 to swing relative to the support plate 1 .
  • the motor 4 can use a wireless power supply motor, or use a brush power supply or a slip ring or a rotating power supply shaft to supply power to the motor 4, so as to realize the supply of electric energy from the fixed end (the housing of the air conditioner) to the rotating end.
  • 11 and 12 show a schematic structural diagram of a wireless power supply motor
  • the wireless power supply motor includes a casing 41 for connecting the support plate 1 and a power supply transmitting coil 42 for connecting to the air conditioner casing. Inside the casing 41 A rotating electrical machine 43 and a power supply receiving coil 44 are mounted, and the power supply receiving coil 44 is electrically connected to the rotating electrical machine 43 .
  • the output shaft 431 of the rotating electrical machine 43 extends out of the casing 41 , and the power supply receiving coil 44 and the power supply transmitting coil 42 are arranged in parallel and opposite to each other for wireless power supply.
  • the power supply transmitting coil 42 can be electrically connected to an external power supply. More specifically, the power supply transmitting coil 42 can be detachably connected to an external power supply through an electrical connector, which is convenient for disassembly and replacement.
  • the rotating motor 43 and the power supply receiving coil 44 can be respectively installed at both ends of the casing 41, the rotating motor 43 is installed at one end away from the power supply transmitting coil 42, and the output shaft 431 of the rotating motor 43 extends out of the casing 41 to connect to the outside of the rotating load to be driven.
  • the power supply receiving coil 44 is installed at one end facing the power supply transmitting coil 42.
  • the power supply receiving coil 44 can be arranged mirror-symmetrically with the power supply transmitting coil 42, that is, the power supply receiving coil 44 and the power supply transmitting coil 42 are arranged parallel to each other and facing each other, so that the power supply receiving coil 44 and the power supply transmitting coil 42 are aligned with each other at a small distance, so as to realize Efficient transmission of electromagnetic energy, and greatly reduce the generation of eddy currents.
  • Both the power supply receiving coil 44 and the power supply transmitting coil 42 may be flat coils.
  • a photoelectric induction receiver 45 is also installed in the casing 41 , and the casing 41 is provided with a first light-passing hole 461 facing the photoelectric induction receiver 45 .
  • the photoelectric induction receiver 45 is electrically connected to the rotating motor 43 .
  • a light source transmitter (not shown in the figure) is also provided on the housing of the air conditioner (eg, in the air duct of the housing), and the light source transmitter's outgoing end faces the photoelectric induction receiver 45 .
  • the light intensity of the light source emitter can be adjusted according to requirements, so as to realize the adjustment and control of the rotating motor 43 .
  • the light source transmitter transmits light signals to the photoelectric induction receiver 45 , and the photoelectric induction receiver 45 converts the received light signal into a corresponding electrical signal based on the photoelectric effect, and then controls the rotation of the rotary motor 43 .
  • a second light-passing hole 462 is provided in the middle of the power supply transmitting coil 42 , and the second light-passing hole 462 is coaxially arranged with the first light-passing hole 461 to avoid obstructing the light emitted by the light source emitter. transmission of signals.
  • a controller 47 is also installed in the casing 41 , and the power supply receiving coil 44 , the rotating motor 43 and the photoelectric induction receiver 45 are all electrically connected to the controller 47 .
  • the controller 47 can be a microcomputer board, such as an MCU or the like.
  • the controller 47 can rectify, filter and stabilize the current received by the power supply receiving coil 44, and then supply it to the rotating motor 43 for use, and can also output corresponding control electrical signals according to the optical signal received by the photoelectric induction receiver 45.
  • the rotary electric machine 43 is given to control the rotation angle of the rotary electric machine 43 .
  • a position sensor (not shown in the figure) is also provided on the output shaft 431 of the motor 4 , and the position sensor can be electrically connected to the controller 47 .
  • the real-time rotation angle of the rotary motor 43 can be detected by the position sensor, and then the controller 47 controls the rotation of the rotary motor 43 based on the real-time rotation angle and the set rotation angle, wherein the set rotation angle can be obtained by the light received by the photoelectric induction receiver 45 signal is converted.
  • the support plate 1 is also fixed with fixed fan blades 5 corresponding to the moving fan blades 2 one-to-one.
  • the fixed fan blades 5 are provided with a slot 51 in the length direction, and the moving fan blades 2.
  • a clamping shaft 23 is provided in the longitudinal direction, and the clamping shaft 23 is swivelably embedded in the clamping slot 51.
  • the fixed fan blade 5 can be embedded in the support plate 1, and the angle between the fixed fan blade 5 and the rotation direction of the support plate 1 remains unchanged, and the fixed fan blade 5 is closer to the axis of the support plate 1 than the moving fan blade 2. , that is, the fixed fan blade 5 faces inward, and the moving fan blade 2 faces outward.
  • the fixed fan blade 5 is provided with a C-shaped clamping slot 51 in the longitudinal direction.
  • the moving fan blade 2 is provided with a clamping shaft 23 in the longitudinal direction that is adapted to the clamping groove 51.
  • the clamping shaft 23 can be inserted into the card slot 51 from the opening of the card slot 51 to realize the snap connection.
  • the moving fan blade 2 can rotate around the clamping shaft 23, thereby realizing the swing.
  • the support plate 1 is provided with limit openings corresponding to the moving fan blades 2 one-to-one in the circumferential direction, and the moving fan blades 2 are arranged in the limiting openings to limit the moving fan blades 2 .
  • swing angle Specifically, the limit opening can be a V-shaped opening, and the included angle of the limit opening can be selected according to actual needs.
  • the support plate 1 is further fixed with an end cover 6 , and the side of the end cover 6 away from the support plate 1 is further provided with a support shaft 61 .
  • the end cover 6 can be rotatably mounted on the casing of the air conditioner through the support shaft 61 .
  • the end cover 6 can be fixed at the end cover fixing position 13 of the support plate 1, which can be bonded, welded or detachable connection (such as bolt connection), etc.
  • the end cover 6 is symmetrically arranged on the end cover 6.
  • the three positioning holes are symmetrical about the axis of the support plate 1. Therefore, the end cover 6 can be installed coaxially through the matching of the positioning columns and the positioning holes.
  • the end cover 6 can rotate together with the cross-flow fan driven by the main motor.
  • Embodiments of the present application further provide an air conditioner, including the above-mentioned cross-flow fan.
  • the cross-flow fan is provided with a plurality of moving fan blades 2 which are swingably connected to the support plate 1, and then are rotatably connected coaxially to the support plate 1.
  • the diverter 3 of the support plate 1 drives the moving fan blade 2 to swing, thereby changing the air outlet angle of the moving fan blade 2.
  • the air outlet angle is different, and the air outlet volume is also different.
  • the angle of the fan blade can achieve the purpose of changing the air volume.
  • the cross-flow fan improves the existing fixed fan blade structure, and can adjust the air outlet angle of the fan blade in real time according to the air volume demand, reduces the power waste of the main motor in adjusting the speed, and prevents the noise caused by the excessive speed.

Abstract

一种贯流风扇，其中贯流风扇包括至少两个间隔设置的支承盘（1），其中一个支承盘（1）可旋转地同轴连接有转向器（3）；支承盘（1）在周向上间隔且可摆动地安装有多个运动扇叶（2），多个运动扇叶（2）均连接于转向器（3），以随转向器（3）的转动而相对支承盘（1）摆动。这种贯流风扇改进了现有的固定式扇叶结构，可以根据风量需求实时调节扇叶的出风角度，减少了主电机调节转速的功率浪费，防止转速过大引起的噪音。还涉及一种空调器。

Description

贯流风扇及空调器
相关申请的交叉引用
本申请要求于2020年10月28日提交的申请号为202011173921.X，名称为“贯流风扇及空调器”的中国专利申请的优先权，其通过引用方式全部并入本文。
技术领域
本申请涉及空调设备技术领域，尤其涉及一种贯流风扇及空调器。
背景技术
空调是我们的日常生活中常用的家庭设备，其能够对房间(或封闭空间、区域)内空气的温度、湿度、洁净度和空气流速等参数进行调节，以满足人体舒适或工艺过程的要求。目前，空调室内机的贯流风扇以其流量大、低噪声、送风平稳等优良特性在空调设备和小型送风设备中广为应用。贯流风扇的叶轮为多叶式、长圆筒形，具有固定式的前向多翼形叶片。在空调工作的过程当中，贯流风扇的一端可转动地安装于机壳，而另一端则依靠主电机带动旋转，空调运行当中对风量的改变是依靠控制主电机转速的快慢控制的。转速高的贯流风扇常常伴随着噪音的产生，影响空调的整体性能。
发明内容
本申请实施例提供一种贯流风扇及空调器，用以解决现有空调通过改变转速来控制风量时易引起噪音的问题。
本申请实施例提供一种贯流风扇，包括至少两个间隔设置的支承盘，其中一个所述支承盘可转动地同轴连接有转向器；所述支承盘在周向上间隔地且可摆动地安装有多个运动扇叶，多个所述运动扇叶均连接于所述转向器，以随所述转向器的转动而相对所述支承盘摆动。
根据本申请一个实施例的贯流风扇，所述转向器包括转动连接于所述支承盘的转盘，所述转盘与所述支承盘同轴设置；所述转盘在周向上固接 有与所述运动扇叶一一对应的转杆，所述转杆连接于所述运动扇叶。
根据本申请一个实施例的贯流风扇，所述转杆设有卡爪，所述运动扇叶设有摆杆，所述卡爪连接于所述摆杆，以带动所述运动扇叶摆动。
根据本申请一个实施例的贯流风扇，所述卡爪沿所述摆杆的轴向卡接于所述摆杆的侧壁，所述摆杆背离所述运动扇叶的端部设有止挡件。
根据本申请一个实施例的贯流风扇，还包括电机，所述电机的机壳固接于所述支承盘，所述电机的输出轴与所述支承盘的轴线同轴设置；所述转盘的中心还设有与所述电机的输出轴相配合的轴孔。
根据本申请一个实施例的贯流风扇，所述电机的输出轴上还设有位置传感器。
根据本申请一个实施例的贯流风扇，所述支承盘还固接有与所述运动扇叶一一对应的固定扇叶，所述固定扇叶在长度方向上开设有卡槽，所述运动扇叶在长度方向上设有卡轴，所述卡轴可摆动地嵌入所述卡槽内。
根据本申请一个实施例的贯流风扇，所述支承盘在周向上开设有与所述运动扇叶一一对应的限位口，所述运动扇叶设于所述限位口中，以限制所述运动扇叶的摆动角度。
根据本申请一个实施例的贯流风扇，所述支承盘还固接有端盖，所述端盖背离所述支承盘的一侧还设有支撑转轴。
本申请实施例还提供一种空调器，包括如上述所述的贯流风扇。
本申请实施例提供的贯流风扇及空调器，其中贯流风扇通过设置多个可摆动地连接于支承盘的运动扇叶，再利用可转动地同轴连接于支承盘的转向器带动运动扇叶摆动，进而改变运动扇叶的出风角度，出风角度不同，出风量也不同，进而在支承盘转速不变的条件下，可以通过改变扇叶的角度从而达到改变风量大小的目的。该贯流风扇改进了现有的固定式扇叶结构，可以根据风量需求实时调节扇叶的出风角度，减少了主电机调节转速的功率浪费，防止转速过大引起的噪音。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的一种贯流风扇的结构示意图；
图2是图1中的贯流风扇的局部放大示意图；
图3是本申请实施例提供的一种贯流风扇的主视图；
图4是本申请实施例提供的一种贯流风扇的侧视图；
图5是本申请实施例提供的移除端盖后的贯流风扇的结构示意图；
图6是图5中的贯流风扇的局部放大示意图；
图7是本申请实施例提供的一种转向器的结构示意图；
图8是本申请实施例提供的贯流风扇移除端盖、转向器和电机后的结构示意图；
图9是图8中支承盘处的局部放大示意图；
图10是本申请实施例提供的一种运动扇叶和固定扇叶的结构示意图；
图11是本申请实施例提供的一种无线供电电机的结构示意图；
图12是本申请实施例提供的一种无线供电电机的截面示意简图。
附图标记：
1、支承盘；       11、转向器安装位；   12、电机固定位；
13、端盖固定位；  2、运动扇叶；        21、摆杆；
22、止挡件；      23、卡轴；           3、转向器；
31、转盘；        32、转杆；           33、卡爪；
34、轴孔；        4、电机；            41、机壳；
411、安装凸缘；   42、供电发射线圈；   43、旋转电机；
431、输出轴；     44、供电接收线圈；   45、光电感应接收器；
461、第一通光孔； 462、第二通光孔；    47、控制器；
5、固定扇叶；     51、卡槽；           6、端盖；
61、支撑转轴；    7、驱动转轴。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提 下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请实施例的描述中，需要说明的是，除非另有明确的规定和限定，术语“第一”“第二”是为了清楚说明产品部件进行的编号，不代表任何实质性区别。“上”“下”“左”“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。
需要说明的是，除非另有明确的规定和限定，术语“连接”应做广义理解，例如，可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在发明实施例中的具体含义。
如图1至图4所示，本申请实施例提供的一种贯流风扇，包括至少两个间隔设置的支承盘1，其中一个支承盘1可转动地同轴连接有转向器3。支承盘1在周向上间隔地且可摆动地安装有多个运动扇叶2，多个运动扇叶2均连接于转向器3，以随转向器3的转动而相对支承盘1摆动。
具体地，支承盘1可以为圆盘形板件，多个支承盘1在轴向上间隔平行的设置，支承盘1的数量可以根据贯流风扇所需的长度进行合理选择，本实施例中主要以四个支承盘1为例进行说明，此处不做限制。其中，位于两端的支承盘1主要起到连接其他设备组件作用，例如，如图3所示的最左端的支承盘1上设有驱动转轴7，通过驱动转轴7可以连接外部的主电机，进而带动整个贯流风扇旋转。位于中间的支承盘1则主要起到支撑作用，防止由于运动扇叶2过长导致中部受力不均匀，产生振动噪音，影响出风的稳定性。
在支承盘1的周向上间隔地安装有多个运动扇叶2，运动扇叶2可以沿支承盘1的周向均匀分布，运动扇叶2的长度方向与支承盘1的轴向平行。每个运动扇叶2均可摆动地连接于每个支承盘1，运动扇叶2的摆动轴线平行于支承盘1的轴线。如图2和图4所示，随着运动扇叶2的摆动，可以改变运动扇叶2的侧面与支承盘1的旋转方向的夹角，即运动扇叶2的出风角，进而在贯流风扇的转速不变的情况下改变出风量。
在一个具体的实施例中，如图2和图3所示，最右端的支承盘1上同 轴地、可转动地安装有转向器3，转向器3既可以随着支承盘1一起旋转，此时转向器3与支承盘1相对静止；同时转向器3也可以在需要改变运动扇叶2的出风角时，独立地进行另一路旋转运动，使得转向器3相对于支承盘1发生相对转动，由于转向器3连接于每个运动扇叶2，且连接点偏离运动扇叶2的摆动轴线，进而当转向器3发生相对转动时，可以带动运动扇叶2相对于支承盘1进行摆动。此外，转向器3也可以安装在位于中间的支承盘1上。若转向器3安装在两端部的支承盘1上时，运动扇叶2通过其端部和转向器3相连；若转向器3安装在中间的支承盘1上时，运动扇叶2则通过其侧面与转向器3相连。无论是哪种连接方式，只需使转向器3和运动扇叶2的连接点偏离运动扇叶2的摆动轴线即可。
本实施例提供的贯流风扇，通过设置多个可摆动地连接于支承盘1的运动扇叶2，再利用可转动地同轴连接于支承盘1的转向器3带动运动扇叶2摆动，进而改变运动扇叶2的出风角度，出风角度不同，出风量也不同，进而在支承盘1转速不变的条件下，可以通过改变扇叶的角度从而达到改变风量大小的目的。该贯流风扇改进了现有的固定式扇叶结构，可以根据风量需求实时调节扇叶的出风角度，减少了主电机调节转速的功率浪费，防止转速过大引起的噪音。
进一步地，如图5至图7所示，转向器3包括转动连接于支承盘1的转盘31，转盘31与支承盘1同轴设置。转盘31在周向上固接有与运动扇叶2一一对应的转杆32，转杆32连接于运动扇叶2。
具体地，转盘31可以为与支承盘1同轴的圆盘形板件，如图8所示，支承盘1的中心处设有转向器安装位11，转盘31可以与转向器安装位11的凸台对接，实现同轴地转动连接。在转盘31的周向上对应每个运动扇叶2的位置设置转杆32。更具体地，如图7所示，转杆32的长度方向可以沿转盘31的径向设置，随着转盘31的转动，可以带动运动扇叶2绕其摆动轴线进行摆动。
进一步地，如图6和图7所示，转杆32的端部可以设置卡爪33，运动扇叶2设有摆杆21，卡爪33连接于摆杆21，以带动运动扇叶2摆动。具体地，卡爪33可以卡接于摆杆21的侧壁，卡爪33设有与摆杆21的外壁面相适配的卡接槽，卡接槽具有一开口，摆杆21可以从该开口处压入 卡接槽内，拆卸时则可以反向从该开口中拔出，进而方便转杆32与摆杆21之间的快速拆装。
更进一步地，如图6和图10所示，摆杆21背离运动扇叶2的端部设有止挡件22。止挡件22的大小大于卡爪33的卡接槽的大小即可，止挡件22可以为球体、块体、圆柱体或者其他形状，此处不做限制。
进一步地，如图3、图5至图7所示，还包括电机4，电机4的机壳41固接于支承盘1，电机4的输出轴431与支承盘1的轴线同轴设置。转盘31的中心还设有与电机4的输出轴相配合的轴孔34。具体地，电机4的机壳41可以固定于支承盘1的电机固定位12处，可以是粘接、焊接或者可拆卸连接(如螺栓连接)等，本实施例中以螺栓连接为例进行说明，电机4的机壳41上对称地设有两个安装凸缘411，同时在支承盘1上对应地设有两个螺栓连接柱，两个螺栓连接柱关于支承盘1的轴线对称，因而通过螺栓即可将电机4同轴安装于支承盘1上。如图7所示，转盘31的中心还设有轴孔34，电机4的输出轴431可以插入轴孔34中，带动转盘31转动。具体地，该轴孔34为方孔，可以防止电机4的输出轴431与转盘31出现滑脱。使用时，电机4的机壳41可以随支承盘1的旋转而同步旋转，当无需调节运动扇叶2的出风角度时，电机4的输出轴431不发生转动，运动扇叶2也不发生摆动；当需要改变运动扇叶2的出风角度时，电机4的输出轴431输出一路独立的旋转运动，带动运动扇叶2相对于支承盘1摆动。
更具体地，电机4可以采用无线供电电机，或者采用电刷供电或者滑环或者旋转供电轴的供电方式给电机4进行供电，实现电能从固定端(空调器的壳体)到旋转端的供应。图11和图12示出了一种无线供电电机的结构示意图，该无线供电电机包括用于连接支承盘1的机壳41以及用于连接空调器壳体的供电发射线圈42，机壳41内安装有旋转电机43和供电接收线圈44，供电接收线圈44电连接于旋转电机43。旋转电机43的输出轴431伸出机壳41，供电接收线圈44与供电发射线圈42平行相对设置，以进行无线供电。
具体地，供电发射线圈42可以电连接于外部供电电源，更具体地，供电发射线圈42可以通过电性接头可拆卸地连接于外部供电电源，便于 拆装更换。旋转电机43和供电接收线圈44可以分别安装于机壳41的两端，旋转电机43安装于背离供电发射线圈42的一端，且旋转电机43的输出轴431伸出机壳41外，以连接外部的待驱动的旋转负载。供电接收线圈44则安装于朝向供电发射线圈42的一端，基于电磁共振原理，通过供电接收线圈44与供电发射线圈42实现电磁能量传递，实现无线供电。供电接收线圈44可以与供电发射线圈42镜像对称设置，即供电接收线圈44与供电发射线圈42相互平行且正对设置，使供电接收线圈44与供电发射线圈42以较小的间距相互对齐，实现电磁能量的高效传输，并大幅度地降低涡流的产生。供电接收线圈44与供电发射线圈42均可以为扁平状的线圈。
进一步地，如图12所示，机壳41内还安装有光电感应接收器45，机壳41开设有朝向光电感应接收器45的第一通光孔461。光电感应接收器45电连接于旋转电机43。具体地，在空调器的壳体上(例如壳体的风道内)还设有光源发射器(图中未示出)，光源发射器的出射端朝向光电感应接收器45。光源发射器的光强可以根据需求进行调节，进而实现对旋转电机43的调控。通过光源发射器向光电感应接收器45发射光信号，光电感应接收器45基于光电效应，将接收到的光信号转换为相应的电信号，然后控制旋转电机43的旋转运动。
更进一步地，如图12所示，供电发射线圈42的中部设置有第二通光孔462，第二通光孔462与第一通光孔461同轴设置，避免阻碍光源发射器发出的光信号的传递。
更进一步地，如图12所示，机壳41内还安装有控制器47，供电接收线圈44、旋转电机43和光电感应接收器45均电连接于控制器47。具体地，控制器47可以采用微型电脑板，如MCU等。控制器47可以对供电接收线圈44接收到的电流进行整流、滤波及稳压等处理，然后供给旋转电机43使用，同时还可以根据光电感应接收器45接收到的光信号输出相应的控制电信号给旋转电机43，以控制旋转电机43的旋转角度。
更进一步地，电机4的输出轴431上还设有位置传感器(图中未示出)，位置传感器可以电连接于控制器47。通过位置传感器可以检测旋转电机43的实时旋转角度，然后控制器47基于该实时旋转角度以及设定旋转角 度来控制旋转电机43转动，其中设定旋转角度可以由光电感应接收器45接收到的光信号转换而来。
进一步地，如图8至图10所示，支承盘1还固接有与运动扇叶2一一对应的固定扇叶5，固定扇叶5在长度方向上开设有卡槽51，运动扇叶2在长度方向上设有卡轴23，卡轴23可摆动地嵌入卡槽51内。具体地，固定扇叶5可以嵌设于支承盘1中，其与支承盘1的转动方向的夹角始终保持不变，且固定扇叶5比运动扇叶2更靠近支承盘1的轴心，即固定扇叶5朝内，运动扇叶2朝外。如图10所示，固定扇叶5在长度方向上开设有C形的卡槽51，相应地，运动扇叶2在长度方向上设有与卡槽51相适配的卡轴23，卡轴23可以从卡槽51的开口中插入卡槽51，实现卡接。当摆杆21受力时，运动扇叶2可以绕卡轴23旋转，进而实现摆动。
更进一步地，如图4和图9所示，支承盘1在周向上开设有与运动扇叶2一一对应的限位口，运动扇叶2设于限位口中，以限制运动扇叶2的摆动角度。具体地，限位口可以为V形口，限位口的夹角可以根据实际需求进行选择。
进一步地，如图1至图4所示，支承盘1还固接有端盖6，端盖6背离支承盘1的一侧还设有支撑转轴61。端盖6可以通过支撑转轴61可转动地安装于空调器的机壳上。具体地，如图8所示，端盖6可以固定于支承盘1的端盖固定位13处，可以是粘接、焊接或者可拆卸连接(如螺栓连接)等，端盖6上对称地设有三个定位柱，同时在支承盘1上对应地设有三个定位孔，三个定位孔关于支承盘1的轴线对称，因而通过定位柱和定位孔相配合，即可将端盖6同轴安装于支承盘1上，端盖6可以随贯流风扇在主电机的驱动下一起旋转。
本申请实施例还提供一种空调，包括如上述的贯流风扇。
通过以上实施例可以看出，本申请提供的贯流风扇及空调器，其中贯流风扇通过设置多个可摆动地连接于支承盘1的运动扇叶2，再利用可转动地同轴连接于支承盘1的转向器3带动运动扇叶2摆动，进而改变运动扇叶2的出风角度，出风角度不同，出风量也不同，进而在支承盘1转速不变的条件下，可以通过改变扇叶的角度从而达到改变风量大小的目的。该贯流风扇改进了现有的固定式扇叶结构，可以根据风量需求实时调节扇 叶的出风角度，减少了主电机调节转速的功率浪费，防止转速过大引起的噪音。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (10)

  1. 一种贯流风扇，其特征在于，包括至少两个间隔设置的支承盘，其中一个所述支承盘可转动地同轴连接有转向器；所述支承盘在周向上间隔地且可摆动地安装有多个运动扇叶，多个所述运动扇叶均连接于所述转向器，以随所述转向器的转动而相对所述支承盘摆动。
  2. 根据权利要求1所述的贯流风扇，其特征在于，所述转向器包括转动连接于所述支承盘的转盘，所述转盘与所述支承盘同轴设置；所述转盘在周向上固接有与所述运动扇叶一一对应的转杆，所述转杆连接于所述运动扇叶。
  3. 根据权利要求2所述的贯流风扇，其特征在于，所述转杆设有卡爪，所述运动扇叶设有摆杆，所述卡爪连接于所述摆杆，以带动所述运动扇叶摆动。
  4. 根据权利要求3所述的贯流风扇，其特征在于，所述卡爪沿所述摆杆的轴向卡接于所述摆杆的侧壁，所述摆杆背离所述运动扇叶的端部设有止挡件。
  5. 根据权利要求2所述的贯流风扇，其特征在于，还包括电机，所述电机的机壳固接于所述支承盘，所述电机的输出轴与所述支承盘的轴线同轴设置；所述转盘的中心还设有与所述电机的输出轴相配合的轴孔。
  6. 根据权利要求5所述的贯流风扇，其特征在于，所述电机的输出轴上还设有位置传感器。
  7. 根据权利要求1至6中任一项所述的贯流风扇，其特征在于，所述支承盘还固接有与所述运动扇叶一一对应的固定扇叶，所述固定扇叶在长度方向上开设有卡槽，所述运动扇叶在长度方向上设有卡轴，所述卡轴可摆动地嵌入所述卡槽内。
  8. 根据权利要求7所述的贯流风扇，其特征在于，所述支承盘在周向上开设有与所述运动扇叶一一对应的限位口，所述运动扇叶设于所述限位口中，以限制所述运动扇叶的摆动角度。
  9. 根据权利要求1至6中任一项所述的贯流风扇，其特征在于，所述支承盘还固接有端盖，所述端盖背离所述支承盘的一侧还设有支撑转轴。
  10. 一种空调器，其特征在于，包括如权利要求1至9中任一项所述 的贯流风扇。
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