WO2022089298A1 - Tangential fan assembly, air conditioner and method for adjusting air volume of air conditioner - Google Patents

Abstract

A tangential fan assembly, an air conditioner and a method for adjusting the air volume of the air conditioner. The tangential fan assembly comprises a tangential fan (700), a rotating motor (500), a power supply shaft (400), an electrode mounting base (100), and a first electrode (200) and a second electrode (300) which are embedded in the electrode mounting base at an interval; the tangential fan comprises supporting discs (710) arranged at intervals, wherein a plurality of moving fan blades (720) are mounted on the supporting discs at intervals in a circumferential direction in a swingable mode, and the plurality of moving fan blades are all connected to an output shaft (510) of the rotating motor; and an inner electrode shaft (421) of the power supply shaft is rotatably electrically abutted against the first electrode, and an outer electrode shaft sleeve (422) is rotatably electrically inserted into a columnar through hole (321) of the second electrode, the inner electrode shaft and the outer electrode shaft sleeve being both electrically connected to the rotating motor. The tangential fan assembly improves the existing fixed fan blade structure, can adjust an air outlet angle of fan blades in real time according to the requirements for air volume, prevents noise caused by a high rotation speed, and also solves the problem that the rotating motor cannot be powered.

Description

Cross-flow fan assembly, air conditioner and method for adjusting air volume thereof

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 202011173895.0, filed on October 28, 2020, entitled "Tubular Fan Assembly, Air Conditioner and Air Volume Adjustment Method", which is fully incorporated herein by reference.

technical field

The present application relates to the technical field of air conditioning equipment, and in particular, to a cross-flow fan assembly, an air conditioner and a method for adjusting the air volume thereof.

Background technique

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. At present, 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. During the operation of the air conditioner, one end of the cross-flow fan is rotatably installed on the casing, while 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 speed. The strength or weakness of cooling and heating is achieved by changing the compressor. In the process of changing the operating state of the components, there will be air supply noise and functional weakening, which will affect the overall performance of the air conditioner.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a cross-flow fan assembly, an air conditioner, and an air volume adjustment method thereof, so as to solve the problem that noise is easily caused when the existing air conditioner controls the air volume by changing the rotational speed.

The embodiment of the present application provides a cross-flow fan assembly, including a cross-flow fan, a rotating motor, a power supply shaft, an electrode mounting seat, and a first electrode and a second electrode embedded in the electrode mounting seat at intervals;

The cross-flow fan includes at least two supporting discs arranged at intervals, and the housing of the rotating electrical machine is fixed to one of the supporting discs; fan blades, a plurality of the moving fan blades are all connected to the output shaft of the rotating electrical machine to swing relative to the support plate with the rotation of the output shaft of the rotating electrical machine;

The power supply shaft includes an electrode shaft assembly, one end of the electrode shaft assembly is fixedly connected to the support plate, and the other end of the electrode shaft assembly is inserted into the electrode mounting seat; the electrode shaft assembly includes sequentially the same The inner electrode shaft, the insulating shaft sleeve and the outer electrode shaft sleeve are connected by the shaft. inside the columnar through hole of the second electrode; the inner electrode shaft and the outer electrode shaft sleeve are both electrically connected to the rotating electrical machine.

According to the cross-flow fan assembly of an embodiment of the present application, the output shaft of the rotating electrical machine is provided with a rotating rod corresponding to the moving fan blade one-to-one in the circumferential direction, and the rotating rod is connected to the moving fan blade.

According to the cross-flow fan assembly of an embodiment of the present application, the rotating rod is provided with a clamping claw, the moving fan blade is provided with a swing rod, and the clamping claw is connected to the swing rod to drive the moving fan blade to swing .

According to the cross-flow fan assembly of an embodiment of the present application, the support plate is further fixed with fixed fan blades corresponding to the moving fan blades one-to-one, the fixed fan blades are provided with a slot in the length direction, and the The moving fan blade is provided with a clamping shaft in the longitudinal direction, and the clamping shaft is swivelably embedded in the clamping groove.

According to the cross-flow fan assembly of an embodiment of the present application, 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 restrict The swing angle of the moving fan blade.

According to the cross-flow fan assembly of an embodiment of the present application, the second electrode includes an insulating sphere with a cylindrical through hole therein and at least one conductive clip, the conductive clip is clamped on the insulating sphere along an axial direction of the insulating sphere. The insulating ball; the conductive clip includes an inner conductive sheet and an outer conductive sheet connected at one end, one side of the inner conductive sheet is attached to the inner wall surface of the insulating ball, and the outer electrode bushing is rotatable. connected to the other side of the inner conductive sheet; one side of the outer conductive sheet is attached to the outer wall surface of the insulating sphere, and the other side of the outer conductive sheet is clamped to the electrode mounting seat.

According to the cross-flow fan assembly of an embodiment of the present application, the power supply shaft further includes a power supply shaft mounting seat fixed to the support plate, and the inner electrode shaft and the outer electrode bushing pass through corresponding conductive clamping shafts. It is clamped in the power supply shaft mounting seat; a controller is also installed in the power supply shaft mounting seat, and the conductive clamping shaft of the inner electrode shaft, the conductive clamping shaft of the outer electrode shaft sleeve and the rotating motor are all installed. is electrically connected to the controller.

An embodiment of the present application further provides an air conditioner, including the cross-flow fan assembly as described above, and a frame, the end of the cross-flow fan facing away from the rotating motor is rotatably mounted on the frame, and the electrode mounting seat is fixed to the frame. skeleton.

An embodiment of the present application further provides a method for adjusting the air volume of an air conditioner. The method is applied to the air conditioner as described above, and the method includes:

Obtain the operating mode and room temperature of the air conditioner;

Based on the operating mode and the room temperature, the rotary motor is driven to rotate, so as to drive the moving fan blades to swing relative to the support plate by a preset angle.

According to the method for adjusting the air volume of an air conditioner according to an embodiment of the present application, the rotating motor is driven to rotate based on the operating mode and the room temperature, so as to drive the moving fan blade to swing a preset angle relative to the support plate, further comprising:

In the heating mode, when the room temperature is greater than or equal to the preset heating temperature, the moving fan blade swings to a first preset angle relative to the support plate; when the room temperature is lower than the preset heating temperature When , the moving fan blade swings to a second preset angle relative to the support plate; wherein, the first preset angle is smaller than the second preset angle;

In the cooling mode, when the room temperature is greater than the preset cooling temperature, the moving fan blade swings to a third preset angle relative to the support plate; when the room temperature is less than or equal to the preset cooling temperature, the The moving fan blade swings to a fourth preset angle relative to the support plate; wherein, the third preset angle is greater than the fourth preset angle.

The cross-flow fan assembly, the air conditioner, and the method for adjusting the air volume thereof provided in the embodiments of the present application, wherein the cross-flow fan assembly is provided with a plurality of swingable moving fan blades on the support plate of the cross-flow fan, and then uses a rotating motor to drive the moving fan blades Swing, and then change the air outlet angle of the moving fan blade, the air outlet angle is different, the air outlet volume is also different, and then under the condition that the speed of the support plate remains unchanged, the angle of the fan blade can be changed to achieve the purpose of changing the air volume; due to the rotation The casing of the motor is fixed on the support plate, so it can rotate together with the cross-flow fan. A power supply structure is formed by the power supply shaft, the electrode mounting seat, and the first electrode and the second electrode, which realizes the stable power supply from the fixed end to the rotating end. , so that the rotary motor can output another way of rotary motion to drive the moving fan blade to swing while it rotates with it. When in use, the first electrode and the second electrode are embedded in the electrode mounting seat together to form a pair of positive and negative electrodes. The electrode mounting seat can be fixed on the skeleton of the air conditioner as a fixed part, and at the same time, it will rotate with the cross-flow fan. The power supply shaft is inserted into the electrode mounting seat, the inner electrode shaft is rotatably abutted against the first electrode, and the outer electrode shaft sleeve is rotatably and electrically inserted into the column-shaped through hole of the second electrode, thereby connecting the external power supply equipment. The electrical energy is transmitted to the rotary motor that rotates with the cross-flow fan. The cross-flow fan assembly 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 to adjust the speed, prevents the noise caused by the excessive speed, and solves the problem. The problem of not being able to power the rotating motor. The air volume adjustment method of the air conditioner is realized by changing the angle of the fan blades of the cross-flow fan, without changing the operating states of other components, and the adjustment is more direct and rapid.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of a cross-flow fan assembly provided by an embodiment of the present application;

Fig. 2 is a partial enlarged schematic view of the cross-flow fan in Fig. 1;

3 is a schematic structural diagram of a rotating electrical machine and a power supply structure provided by an embodiment of the present application;

Fig. 4 is a partial cross-sectional view of the rotating electrical machine and power supply structure in Fig. 3;

5 is a schematic structural diagram of a steering gear provided by an embodiment of the present application;

6 is a schematic diagram of the installation of a support plate, a moving fan blade and a fixed fan blade provided by an embodiment of the present application;

7 is a schematic diagram of a connection between a moving fan blade and a fixed fan blade provided by an embodiment of the present application;

8 is a schematic structural diagram of a spherical electrode provided by an embodiment of the present application;

9 is a schematic structural diagram of a conductive clip provided by an embodiment of the present application;

10 is a schematic structural diagram of a ring-shaped conductive sheet provided by an embodiment of the present application;

11 is a schematic structural diagram of an insulating sphere provided by an embodiment of the present application;

FIG. 12 is a schematic structural diagram of the insulating sphere in FIG. 11 from another viewing angle;

13 is a schematic structural diagram of a conductive device provided by an embodiment of the present application;

Figure 14 is a partial cross-sectional view of the conductive device in Figure 13;

15 is a schematic structural diagram of an electrode mounting seat provided by an embodiment of the present application;

FIG. 16 is a schematic structural diagram of the electrode mount in FIG. 15 from another viewing angle;

17 is a cross-sectional view of an electrode mounting seat provided by an embodiment of the present application;

18 is a schematic structural diagram of a power supply shaft provided by an embodiment of the present application;

19 is a schematic structural diagram of an electrode shaft assembly provided by an embodiment of the present application;

20 is a cross-sectional view of a power supply shaft provided by an embodiment of the present application;

21 is a schematic diagram of the installation of a cross-flow fan assembly provided by an embodiment of the present application;

FIG. 22 is an installation schematic diagram of a cross-flow fan assembly provided by an embodiment of the present application from another perspective.

Reference number:

100, electrode mounting seat; 110, insulating seat body; 111, first cylinder;

112, the second cylinder; 113, the third cylinder; 120, the first accommodating cavity;

121, the first terminal hole; 130, the second accommodating cavity; 131, the second terminal hole;

140, the third accommodating cavity; 150, the annular groove; 151, the annular flange;

160, the first rib; 170, the second rib; 180, the groove;

200, the first electrode; 210, the first terminal;

300, the second electrode; 310, the second terminal; 320, the insulating sphere;

321, cylindrical through hole; 322, arc groove; 330, conductive clip;

331, inner conductive sheet; 332, outer conductive sheet; 340, annular conductive sheet;

400, power supply shaft; 410, power supply shaft mounting seat; 411, first chamber;

412, the second chamber; 413, the partition plate; 414, the wiring hole;

415, mounting flange; 416, wire management hole; 420, electrode shaft assembly;

421, inner electrode shaft; 422, outer electrode shaft sleeve; 423, insulating shaft sleeve;

431, the first conductive card shaft; 432, the second conductive card shaft; 440, the card board;

450, insulating gasket;

500, rotating motor; 510, output shaft;

600, controller; 610, wire;

700, cross-flow fan; 710, support plate; 720, motion fan blade;

721, pendulum rod; 722, stopper; 723, card shaft;

730, steering gear; 731, turntable; 732, turning lever;

733, jaw; 734, shaft hole; 740, fixed fan blade;

741, card slot; 750, end cover; 760, drive shaft;

800. Skeleton.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that, unless otherwise expressly specified and limited, the terms "first" and "second" are used to clearly describe the numbering of product components and do not represent any substantial difference. "Up", "Down", "Left", "Right", etc. are only used to indicate relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present application according to specific situations.

It should be noted that, unless otherwise expressly specified and limited, the term "connection" should be understood in a broad sense, for example, it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the invention can be understood in specific situations.

As shown in FIGS. 1 to 4 , a cross-flow fan assembly provided by an embodiment of the present application includes a cross-flow fan 700 , a rotary motor 500 , a power supply shaft 400 , an electrode mounting seat 100 , and is embedded in the electrode mounting seat 100 at intervals Inside the first electrode 200 and the second electrode 300 . The electrode mount can be installed on the frame of the air conditioner as a fixed end.

As shown in FIGS. 1 and 2 , the cross-flow fan 700 includes at least two supporting plates 710 arranged at intervals, and the casing of the rotating electrical machine 500 is fixed to one of the supporting plates 710 . The support plate 710 is provided with a plurality of moving fan blades 720 in a circumferentially spaced and swingable manner, and the plurality of moving fan blades 720 are all connected to the output shaft 510 of the rotary electric machine 500 to rotate with the rotation of the output shaft 510 of the rotary electric machine 500 . It swings relative to the support plate 710 .

As shown in FIG. 3 and FIG. 4 , the power supply shaft 400 includes an electrode shaft assembly 420 , one end of the electrode shaft assembly 420 is fixed to the support plate 710 , and the other end of the electrode shaft assembly 420 is inserted into the electrode mounting seat 100 . The electrode shaft assembly 420 includes an inner electrode shaft 421, an insulating shaft sleeve 423 and an outer electrode shaft sleeve 422 that are coaxially sleeved in sequence. It is rotatably and electrically inserted into the columnar through hole of the second electrode 300 . Both the inner electrode shaft 421 and the outer electrode shaft sleeve 422 are electrically connected to the rotating electrical machine 500 .

Specifically, as shown in FIG. 1 and FIG. 2 , the support plate 710 of the cross-flow fan 700 can be a disc-shaped plate, and a plurality of support plates 710 are arranged in parallel and spaced apart in the axial direction. The required length of the flow fan can be reasonably selected. In this embodiment, four supporting disks 710 are mainly used as an example for description, which is not limited here. Among them, the support plates 710 at both ends mainly play the role of connecting other equipment components. For example, as shown in FIG. 1, the lowermost support plate 710 is provided with a drive shaft 760, and the drive shaft 760 can be connected to an external main motor, and then The entire cross-flow fan 700 is driven to rotate. The support plate 710 located in the middle mainly plays a supporting role to prevent uneven force on the middle part due to the excessive length of the moving fan blades 720, resulting in vibration noise and affecting the stability of the air outlet. The uppermost support plate 710 is fixed to the casing of the rotating electrical machine 500 through the end cover 750 . The end cover 750 is coaxially mounted on the support plate 710 , so that the end cover 750 can drive the casing of the rotary motor 500 to rotate together with the cross-flow fan 700 driven by the main motor. The end cover 750 and the casing of the rotating electrical machine 500 may be bonded, welded, or detachably connected (such as bolted connection), etc. In this embodiment, the bolted connection is used as an example for description. The casing of the rotating electrical machine 500 is symmetrically connected. Two mounting flanges are provided, and at the same time, two bolt connection columns are correspondingly provided on the support plate 710. The two bolt connection columns are symmetrical with respect to the axis of the support plate 710, so that the rotating electrical machine 500 can be coaxially installed on the support plate 710 through bolts. on the support plate 710.

A plurality of moving fan blades 720 are installed at intervals in the circumferential direction of the support plate 710 , and the plurality of moving fan blades 720 are all connected to the output shaft 510 of the rotary electric machine 500 so as to be relative to the support plate with the rotation of the output shaft 510 of the rotary electric machine 500 . 710 swing. The moving fan blades 720 may be uniformly distributed along the circumferential direction of the support disk 710 , and the length direction of the moving fan blades 720 is parallel to the axial direction of the support disk 710 . Each moving fan blade 720 is swingably connected to each supporting plate 710 , and the swing axis of the moving fan blade 720 is parallel to the axis of the supporting plate 710 . As shown in FIG. 2 , with the swing of the moving fan blade 720 , the angle between the side surface of the moving fan blade 720 and the rotation direction of the support plate 710 , that is, the air outlet angle of the moving fan blade 720 , can be changed. Change the air volume without changing the speed.

As shown in FIG. 3 and FIG. 4 , one end of the electrode shaft assembly 420 of the power supply shaft 400 can be fixedly connected to the support plate 710 through the power supply shaft mounting seat 410 and electrically connected to the rotating electrical machine 500 at the same time. The power supply shaft mounting seat 410 may be provided with a plurality of mounting flanges 415 for the cross-flow fan 700 in the circumferential direction, and mounting holes may be opened on the mounting flanges 415 to be connected with the rotating components by bolts. In addition, the mounting flanges 415 It can also be clamped or welded with the rotating component, which is not limited here. The other end of the electrode shaft assembly 420 extends out of the power supply shaft mounting seat 410 and is inserted into the electrode mounting seat 100 to be rotatably electrically connected with the first electrode 200 and the second electrode 300 . The support plate 710 can drive the electrode shaft assembly 420 to rotate together through the power supply shaft mounting seat 410 . The inner electrode shaft 421 , the insulating shaft sleeve 423 and the outer electrode shaft sleeve 422 of the electrode shaft assembly 420 are coaxially sleeved in sequence, and are fixedly connected to each other as a whole. As shown in FIG. 4 , the inner electrode shaft 421 has the longest length, and the outer electrode shaft sleeve 422 has the shortest length. The insulating sleeve 423 is provided between the inner electrode shaft 421 and the outer electrode shaft sleeve 422 for insulation.

When in use, the positive and negative electrodes of the external power supply device are electrically connected to the first electrode 200 and the second electrode 300 through the first connection terminal 210 and the second connection terminal 310 respectively, and the inner electrode shaft 421 is rotatably electrically connected to the first electrode 200 and the second electrode 300 . For an electrode 200, the outer electrode shaft sleeve 422 is rotatably plugged into the cylindrical through hole of the second electrode 300, and the inner electrode shaft 421 and the outer electrode shaft sleeve 422 transmit the electric energy to the rotating motor 500, thereby realizing the fixed Stable power supply from end to rotating end.

In the cross-flow fan assembly provided in this embodiment, a plurality of swingable moving blades 720 are arranged on the support plate 710 of the cross-flow fan 700, and then the rotating motor 500 is used to drive the moving blades 720 to swing, thereby changing the moving blades 720. The air outlet angle is different, the air outlet volume is also different, and under the condition that the rotation speed of the support plate 710 is constant, the angle of the fan blade can be changed to achieve the purpose of changing the air volume; It is connected to the support plate 710, so it can rotate together with the cross-flow fan 700, and a power supply structure is formed by the power supply shaft 400, the electrode mounting base 100, the first electrode 200 and the second electrode 300, which realizes the stability from the fixed end to the rotating end. Power is supplied, so that the rotary motor 500 can output another way of rotary motion to drive the moving fan blade 720 to swing while it rotates with it. When in use, the first electrode 200 and the second electrode 300 are embedded in the electrode mounting seat 100 together to form a positive and negative electrode pair. The electrode mounting seat 100 can be fixed on the skeleton of the air conditioner as a fixed part, and at the same time, the cross-flow fan The power supply shaft 400 that rotates at the same time 700 is inserted into the electrode mounting base 100 , the inner electrode shaft 421 is rotatably abutted against the first electrode 200 , and the outer electrode shaft sleeve 422 is rotatably and electrically inserted into the second electrode 300 . In the column-shaped through hole, the electric power of the external power supply device is further transmitted to the rotary motor 500 that rotates together with the cross-flow fan 700 . The cross-flow fan assembly 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 to adjust the speed, prevents the noise caused by the excessive speed, and solves the problem. The problem of not being able to power the rotating motor.

Further, as shown in FIG. 1 , FIG. 2 and FIG. 5 , a diverter 730 is coaxially and rotatably mounted on the support plate 710 , and the rotary motor 500 is connected to each moving fan blade 720 through the diverter 730 . The diverter 730 includes a turntable 731 rotatably connected to the support disc 710 , and the turntable 731 is coaxial with the support disc 710 . The rotating plate 731 is fixedly connected with a rotating rod 732 corresponding to the moving fan blade 720 one-to-one in the circumferential direction, and the rotating rod 732 is connected to the moving fan blade 720 . The center of the turntable 731 is further provided with a shaft hole 734 , and the output shaft 510 of the rotary motor 500 can be inserted into the shaft hole 734 to drive the turntable 731 to rotate. Specifically, the shaft hole 734 is a square hole, which can prevent the output shaft 510 of the rotating electrical machine 500 from slipping off from the turntable 731 .

The turntable 731 can be a disc-shaped plate that is coaxial with the support disc 710. As shown in FIG. 6, the center of the support disc 710 is provided with a boss docking with the turntable 731, so as to realize the coaxial rotational connection between the two. . A rotating rod 732 is provided at a position corresponding to each moving fan blade 720 in the circumferential direction of the rotating disk 731 . More specifically, as shown in FIG. 5 , the length direction of the rotating rod 732 can be arranged along the radial direction of the turntable 731 , and as the turntable 731 rotates, the moving fan blade 720 can be driven to swing around its swing axis.

The diverter 730 can rotate together with the support plate 710, at this time the diverter 730 and the support plate 710 are relatively stationary; at the same time, when the outlet angle of the moving fan blade 720 needs to be changed, the diverter 730 can also be rotated at the output of the motor 500. Driven by the shaft 510, relative rotation occurs relative to the support plate 710. Since the diverter 730 is connected to each moving fan blade 720, and the connection point deviates from the swing axis of the moving fan blade 720, when the diverter 730 rotates relatively, it can be The moving fan blades 720 are driven to swing relative to the support plate 710 . In addition, the diverter 730 can also be mounted on the support plate 710 located in the middle. If the diverter 730 is installed on the support discs 710 at both ends, the moving fan blades 720 are connected to the diverter 730 through its ends; if the diverter 730 is installed on the middle support disc 710, the moving fan blades 720 pass through Its side is connected to the diverter 730 . Regardless of the connection method, it is only necessary to make the connection point of the diverter 730 and the moving fan blade 720 deviate from the swing axis of the moving fan blade 720 .

Further, as shown in FIG. 5 and FIG. 6 , the end of the rotating rod 732 can be provided with a claw 733, the moving fan blade 720 is provided with a swing rod 721, and the claw 733 is connected to the swing rod 721 to drive the moving fan blade 720 to swing . Specifically, the clamping claw 733 can be clamped on the side wall of the swing rod 721, and the clamping claw 733 is provided with a clamping groove which is adapted to the outer wall surface of the swing rod 721, and the clamping groove has an opening through which the pendulum rod 721 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 732 and the swing rod 721 .

Furthermore, as shown in FIG. 7 , a stopper 722 is provided at the end of the swing rod 721 away from the moving fan blade 720 . The size of the stopper 722 may be larger than the size of the engaging groove of the claws 733 , and the stopper 722 may be a sphere, a block, a cylinder or other shapes, which are not limited here.

Further, as shown in FIG. 1 , FIG. 2 , FIG. 6 and FIG. 7 , the support plate 710 is also fixed with fixed fan blades 740 corresponding to the moving fan blades 720 one-to-one, and the fixed fan blades 740 are provided with a card in the length direction. In the slot 741 , the moving fan blade 720 is provided with a clamping shaft 723 in the longitudinal direction, and the clamping shaft 723 is swivelably embedded in the clamping slot 741 . Specifically, the fixed fan blade 740 can be embedded in the support plate 710, and the angle between the fixed fan blade 740 and the rotation direction of the support plate 710 remains unchanged, and the fixed fan blade 740 is closer to the axis of the support plate 710 than the moving fan blade 720. , that is, the fixed fan blade 740 faces inward, and the moving fan blade 720 faces outward. As shown in FIG. 7 , the fixed fan blade 740 is provided with a C-shaped clamping slot 741 in the longitudinal direction. Correspondingly, the moving fan blade 720 is provided with a clamping shaft 723 in the longitudinal direction that is adapted to the clamping groove 741. The clamping shaft 723 can be inserted into the card slot 741 from the opening of the card slot 741 to realize the snap connection. When the swing rod 721 is stressed, the moving fan blade 720 can rotate around the clamping shaft 723, thereby realizing the swing.

Further, as shown in FIG. 2 and FIG. 6 , the support plate 710 is provided with limit openings corresponding to the moving fan blades 720 one-to-one in the circumferential direction, and the moving fan blades 720 are arranged in the limiting openings to limit the moving fan blades 720. 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.

On the basis of the above embodiment, as shown in FIG. 8 to FIG. 12 , the second electrode 300 may adopt a spherical electrode, and may specifically include an insulating sphere 320 with a column-shaped through hole 321 and at least one conductive clip 330 , which is electrically conductive. The clip 330 is clamped on the inner wall surface and the outer wall surface of the insulating sphere 320 along the axial direction of the insulating sphere 320 . The conductive clip 330 includes an inner conductive sheet 331 and an outer conductive sheet 332 connected at one end, one side of the inner conductive sheet 331 is attached to the inner wall surface of the insulating sphere 320, the other side of the inner conductive sheet 331 is cylindrical, and the outer conductive sheet 331 is cylindrical. One side of the sheet 332 is attached to the outer wall surface of the insulating ball 320 .

Specifically, the insulating sphere 320 can be a sphere or an ellipsoid, the upper and lower ends of the sphere (or ellipsoid) are cut off by planes, and a cylindrical through hole is opened at the center of the sphere (or ellipsoid) to form a spherical outer wall and a spherical inner wall. A cylindrical spherical shell. The conductive clip 330 is clamped on the insulating sphere 320 , and the conductive clip 330 can be an integral annular clip arranged around the circumference of the insulating sphere 320 , or can be a plurality of separate arc clips. Each conductive clip 330 has the same shape and size, and includes an inner conductive sheet 331 and an outer conductive sheet 332. The lower ends of the inner conductive sheet 331 and the outer conductive sheet 332 are connected to form an integral part. During assembly, the conductive clip 330 can be removed from the The lower end of the insulating sphere 320 moves upward and clamps the wall surface of the insulating sphere 320 . One side of the inner conductive sheet 331 is attached to the inner wall surface of the insulating sphere 320, and the other side of the inner conductive sheet 331 is cylindrical, so a cylindrical conductive chamber can be formed inside the second electrode 300 for rotatable The ground is electrically connected to the power supply shaft 400 . The inner side of the inner conductive sheet 331 may also be coated with conductive lubricating oil or conductive lubricating glue. The outer conductive sheet 332 of at least one conductive clip 330 is provided with a second connection terminal 310 . By arranging the second terminal 310 , it can pass out of the electrode mounting base 100 . When in use, the outer conductive sheet 332 can be electrically connected to the external power supply device located at the fixed end, and then the electric energy can be transmitted to the inner conductive sheet 331 , and then transmitted to the power supply shaft 400 .

Further, as shown in FIG. 8 , FIG. 9 and FIG. 10 , the number of conductive clips 330 is multiple, and the plurality of conductive clips 330 are distributed at intervals along the circumferential direction of the insulating sphere 320 , specifically, a plurality of conductive clips 330 The insulating spheres 320 may be distributed at equal intervals along the circumference of the insulating spheres 320 . It also includes a ring-shaped conductive sheet 340. The ring-shaped conductive sheet 340 is installed at one end of the insulating sphere 320 toward the connecting part of the inner conductive sheet 331 and the outer conductive sheet 332, that is, the upper side of the ring-shaped conductive sheet 340 is in contact with the lower end of the insulating sphere 320. The lower side of the sheet 340 is in contact with the upper end of the connecting portion of the inner conductive sheet 331 and the outer conductive sheet 332 . By arranging the annular conductive sheet 340 , a plurality of spaced conductive clips 330 can be electrically connected to each other, so only one second connection terminal 310 is required to energize all the inner conductive sheets 331 .

Further, as shown in FIG. 8 and FIG. 9 , the outer conductive sheet 332 is arc-shaped. As shown in FIG. 11 and FIG. 12 , the outer wall surface of the insulating ball 320 is provided with an arc-shaped groove 322 adapted to the outer conductive sheet 332 . Specifically, the thickness of the outer conductive sheet 332 is greater than the depth of the arc-shaped groove 322 of the insulating sphere 320 , so after the outer conductive sheet 332 is embedded in the arc-shaped groove 322 , the outer wall surface of the outer conductive sheet 332 will be higher than the outer wall surface of the insulating sphere 320 Furthermore, it can be clamped with the mounting slot of the electrode mounting seat 100 to prevent the second electrode 300 from being rotated and displaced in the electrode mounting seat 100 .

Further, the insulating sphere 320 can be made of rubber material. After the insulating sphere 320 is assembled with the conductive clip 330 and the annular conductive sheet 340, it can be processed at a high temperature so that the rubber material can be slightly melted, and then welded with each component as a whole.

FIG. 13 and FIG. 14 show a schematic structural diagram of a conductive device composed of an electrode mounting base 100 , a first electrode 200 and a second electrode 300 , and FIGS. 15 to 17 show a structural schematic diagram of an electrode mounting base 100 . The electrode mounting seat 100 is provided with a power supply shaft accommodating cavity (ie, the third accommodating cavity 140 ) for connecting the power supply shaft 400 . The columnar through holes 321 of the insulating sphere 320 are then penetrated to the first electrode 200 . In this embodiment, the first electrode 200 can be a disk-shaped electrode.

As shown in FIG. 15 to FIG. 17 , the electrode mounting base 100 includes an insulating base body 110 . The insulating base body 110 is provided with a first accommodating cavity 120 for installing the first electrode 200 and a second accommodating cavity 120 for installing the second electrode 300 . The cavity 130 and the third accommodating cavity 140 for installing the power supply shaft (ie, the power supply shaft accommodating cavity), the first accommodating cavity 120 and the second accommodating cavity 130 are spaced apart and communicated through the third accommodating cavity 140 . Specifically, the first connection terminal hole 121 and the second connection terminal hole 131 may be located on the same side of the insulating base body 110 so as to be connected with an external power supply device also mounted on the fixed part. The insulating base 110 can be installed on a fixed component, such as a frame of an air conditioner. The insulating base body 110 may be integrally formed with insulating materials such as rubber. The first accommodating cavity 120 can directly use the head space of the third accommodating cavity 140. Since the insulating base 110 has a certain elasticity, the first electrode 200 can be inserted from the lower end opening of the third accommodating cavity 140, and finally clamped in the third accommodating cavity 140. The top of the accommodating cavity 140 . Similarly, the second electrode 300 can also be put into the opening at the lower end of the third accommodating cavity 140 , and finally clamped in the second accommodating cavity 130 .

As shown in FIG. 15 to FIG. 17 , the insulating base 110 is composed of a plurality of cylinders whose diameters are successively increased. Further, the insulating base 110 includes a first cylinder 111 , a second cylinder 112 and a third cylinder 113 whose diameters increase in sequence, and the second cylinder 112 and the third cylinder 113 are formed radially inwardly. Annular groove 150 . The annular groove 150 can be matched with the annular protrusion on the fixing part, so that the insulating base 110 can be positioned and installed on the fixing part more accurately, and axial displacement can be prevented.

Further, as shown in FIGS. 15 and 16 , an annular flange 151 is provided on one side of the annular groove 150 close to the second cylindrical body 112 . By arranging the annular flange 151, the heights of the two sides of the annular groove 150 can be made similar or equal, so as to avoid insufficient depth of the annular groove 150 due to the diameter difference between the second cylindrical body 112 and the third cylindrical body 113, which is beneficial to increase the positioning efficiency. stability. The outer wall of the second cylinder 112 is provided with a plurality of outwardly protruding first ribs 160 in the circumferential direction, and the outer wall of the third cylinder 113 is provided with a plurality of outwardly protruding second ribs 170 in the circumferential direction. Specifically, the first protruding rib 160 and the second protruding rib 170 may be cylindrical protruding ribs extending along the axial direction of the second cylindrical body 112 , and correspondingly, the first protruding rib 160 and the second protruding rib 170 may be connected with the fixing member The concave part on the upper part is adapted to fit, so as to prevent rotational displacement of the insulating base body 110 . Furthermore, the plurality of first protruding ribs 160 and the second protruding ribs 170 can also be distributed evenly and equally spaced along the circumferential direction, so that the force of the insulating seat body 110 is more uniform. At the same time, the first rib 160 and the second rib 170 may also be arranged at a mutual dislocation.

Further, as shown in FIGS. 16 and 17 , the end surface of the third cylindrical body 113 facing away from the second cylindrical body 112 is provided with a plurality of recessed grooves 180 in the axial direction. Specifically, the grooves 180 may be uniformly distributed along the circumferential direction of the third cylinder 113 . By arranging the groove 180, when the cross-flow fan rotates, a vortex airflow can be formed in the groove 180, and the vortex airflow and the airflow generated by the impeller of the cross-flow fan collide with each other, changing the direction of the impeller airflow and avoiding the impeller airflow. Strike the snail tongue, generate airflow noise, and improve the sound quality of the air conditioner.

As shown in FIG. 18 to FIG. 20 , the inner electrode shaft 421 and the outer electrode shaft sleeve 422 of the power supply shaft 400 are both clamped in the power supply shaft mounting seat 410 through the corresponding conductive clamp shafts, and the conductive clamp shaft of the inner electrode shaft 421 and the outer electrode shaft The conductive card shaft of the electrode bushing 422 is electrically connected to the rotating electrical machine 500 .

Specifically, the length of the inner electrode shaft 421 in the power supply shaft mounting seat 410 is greater than the length of the outer electrode shaft sleeve 422 in the power supply shaft mounting seat 410, and the inner electrode shaft 421 passes through the first conductive clamping shaft 431, the outer electrode shaft sleeve 422 The second conductive clamping shaft 432 is clamped in the power supply shaft mounting seat 410 . The first conductive card shaft 431 and the second conductive card shaft 432 may be conductive rods extending outward along the radial direction of the inner electrode shaft 421 . Furthermore, a plurality of the first conductive card shafts 431 and the second conductive card shafts 432 may also be provided along the circumferential direction of the inner electrode shaft 421 . The positions of the first conductive card shaft 431 and the second conductive card shaft 432 may be parallel to each other, or may be staggered. The power supply shaft mounting seat 410 is provided with a card plate 440 corresponding to the conductive card shaft, and the conductive card shaft is locked in the card slot of the card plate 440 . The card board 440 may be disposed in the cavity wall of the power supply shaft mounting seat 410 . An insulating gasket 450 is also installed between the first conductive clip shaft 431 and the second conductive clip shaft 432 to prevent the positive and negative electrodes from contacting.

By arranging the conductive card shaft, not only can the electrode shaft assembly 420 be confined in the power supply shaft mounting seat 410, so that the electrode shaft assembly 420 can rotate synchronously with the power supply shaft mounting seat 410, and the conductive card shaft can also function as a connection terminal, In use, the first conductive card shaft 431 and the second conductive card shaft 432 can be connected to the positive and negative poles of the rotating electrical machine 500 with wires respectively, so as to facilitate wiring.

Further, as shown in FIG. 4 , a controller 600 is also installed in the power supply shaft mounting seat 410 , and the conductive clamping shaft of the inner electrode shaft 421 , the conductive clamping shaft of the outer electrode shaft sleeve 422 and the rotating motor 500 are all electrically connected to the controller. 600.

Specifically, the power supply shaft mounting base 410 includes a first chamber 411 and a second chamber 412 separated by a partition plate 413 , and the first conductive clamping shaft 431 and the second conductive clamping shaft 432 are clamped to the first chamber 411 Inside, the controller 600 is installed in the second chamber. A wiring hole 414 is formed on the partition plate 413 at a position corresponding to the card slot. The side wall of the second chamber 412 is provided with a cable management hole 416 . The first conductive card shaft 431 and the second conductive card shaft 432 are electrically connected to the controller 600 through the wire 610 passing through the wiring hole 414 , and the controller 600 is electrically connected to the rotating motor 500 through the wire 610 passing through the wire management hole 416 .

More specifically, the first chamber 411 and the second chamber 412 may be cylindrical chambers with increasing diameters, and the first chamber 411 , the second chamber 412 and the electrode shaft assembly 420 are coaxially arranged. During installation, the bottom of the inner electrode shaft 421 can abut against the separator 413 to ensure axial positioning, and at the same time, the circumferential positioning of the electrode shaft assembly 420 is ensured by the conductive clamping shaft. The controller 600 can be a micro computer board, such as an MCU. The controller 600 can rectify, filter and stabilize the current received by the electrode shaft assembly 420, and then supply it to the rotating electrical machine 500 for use.

Furthermore, the output shaft 510 of the rotary electric machine 500 is also installed with an angle sensor electrically connected to the controller 600 . The real-time rotation angle of the rotary motor 500 can be detected by the angle sensor, and then the controller 600 controls the rotary motor 500 to rotate based on the real-time rotation angle and the set rotation angle.

As shown in FIGS. 21 and 22 , an embodiment of the present application further provides an air conditioner, which includes the cross-flow fan assembly described above, and also includes a frame 800 , and the end of the cross-flow fan 700 facing away from the rotary motor 500 is rotatably mounted on The skeleton 800 and the electrode mounting base 100 are fixedly connected to the skeleton 800 .

An embodiment of the present application further provides a method for adjusting the air volume of an air conditioner. The method is applied to the air conditioner as described above, and the method includes:

First, get the operating mode of the air conditioner and the room temperature. The room temperature can be detected by the temperature sensor built in the air conditioner. The temperature sensor will transmit the measured temperature data through the air conditioner computer board after data processing, together with the current operating mode signal, and transmit it to the control rotating motor 500 by wireless transmission such as Bluetooth. the controller 600.

Then, the rotary motor 500 is driven to rotate based on the current operating mode and the room temperature, so as to drive the moving fan blades 720 to swing relative to the support plate 710 by a preset angle.

In the heating mode, when the room temperature is greater than or equal to the preset heating temperature, the moving fan blade 720 swings to the first preset angle relative to the support plate 710; when the room temperature is lower than the preset heating temperature, the moving fan blade 720 The relative support plate 710 swings to a second preset angle; wherein, the first preset angle is smaller than the second preset angle. The preset heating temperature can be between 23°C and 27°C, the first preset angle can be between 17° and 21°, and the second preset angle can be between 22° and 26°. In a specific embodiment, the preset heating temperature is 25°C, the first preset angle is 19°, and the second preset angle is 24°.

In the cooling mode, when the room temperature is greater than the preset cooling temperature, the moving fan blade 720 swings to a third preset angle relative to the support plate 710; when the room temperature is less than or equal to the preset cooling temperature, the moving fan blade 720 is relative to the support plate. 710 Swing to a fourth preset angle; wherein the third preset angle is greater than the fourth preset angle. The preset cooling temperature may be between 18°C and 22°C, the third preset angle may be between 22° and 26°, and the fourth preset angle may be between 17° and 21°. In a specific embodiment, the preset refrigeration temperature is 20°C, the third preset angle is 24°, and the fourth preset angle is 19°.

It can be seen from the above embodiments that in the cross-flow fan assembly, the air conditioner and the air volume adjustment method provided by the present application, the cross-flow fan assembly improves the existing fixed fan blade structure, and can adjust the output of the fan blade in real time according to the air volume demand. The wind angle reduces the power waste of the main motor to adjust the speed, prevents the noise caused by the excessive speed, and solves the problem that the rotating motor cannot be powered. The air volume adjustment method of the air conditioner is realized by changing the angle of the fan blades of the cross-flow fan, without changing the operating states of other components, and the adjustment is more direct and rapid.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present application.

Claims (10)

1. A cross-flow fan assembly is characterized in that it comprises a cross-flow fan, a rotating motor, a power supply shaft, an electrode mounting seat, and a first electrode and a second electrode embedded in the electrode mounting seat at intervals;

   The cross-flow fan includes at least two supporting discs arranged at intervals, and the housing of the rotating electrical machine is fixed to one of the supporting discs; fan blades, a plurality of the moving fan blades are all connected to the output shaft of the rotating electrical machine to swing relative to the support plate with the rotation of the output shaft of the rotating electrical machine;

   The power supply shaft includes an electrode shaft assembly, one end of the electrode shaft assembly is fixedly connected to the support plate, and the other end of the electrode shaft assembly is inserted into the electrode mounting seat; the electrode shaft assembly includes sequentially the same The inner electrode shaft, the insulating shaft sleeve and the outer electrode shaft sleeve are connected by the shaft. inside the columnar through hole of the second electrode; the inner electrode shaft and the outer electrode shaft sleeve are both electrically connected to the rotating electrical machine.
2. The cross-flow fan assembly according to claim 1, wherein the output shaft of the rotating electrical machine is provided with a rotating rod corresponding to the moving fan blades one-to-one in the circumferential direction, and the rotating rod is connected to the moving fan blade. fan blade.
3. The cross-flow fan assembly according to claim 2, wherein the rotating rod is provided with a clamping claw, the moving fan blade is provided with a swing rod, and the clamping claw is connected to the swing rod to drive the Motion fan blades swing.
4. The cross-flow fan assembly according to claim 1, wherein the support plate is further fixed with fixed fan blades corresponding to the moving fan blades one-to-one, and the fixed fan blades are provided with clips in the length direction. The moving fan blade is provided with a clamping shaft in the longitudinal direction, and the clamping shaft is swivelably embedded in the clamping groove.
5. The cross-flow fan assembly according to claim 4, wherein 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 at the limit positions mouth to limit the swing angle of the moving fan blades.
6. The cross-flow fan assembly according to any one of claims 1 to 5, wherein the second electrode comprises an insulating sphere with a cylindrical through hole therein and at least one conductive clip, the conductive clip along the The insulating ball is axially clamped on the insulating ball; the conductive clip includes an inner conductive sheet and an outer conductive sheet connected at one end, and one side of the inner conductive sheet is attached to the inner wall surface of the insulating ball , the outer electrode bushing is rotatably connected to the other side of the inner conductive sheet; one side of the outer conductive sheet is attached to the outer wall surface of the insulating sphere, and the other side of the outer conductive sheet It is clamped on the electrode mounting seat.
7. The cross-flow fan assembly according to any one of claims 1 to 5, wherein the power supply shaft further comprises a power supply shaft mounting seat fixed on the support plate, the inner electrode shaft and the outer electrode shaft The electrode shaft sleeves are all clamped in the power supply shaft mounting seat through corresponding conductive clamping shafts; a controller is also installed in the power supply shaft installation seat, the conductive clamping shaft of the inner electrode shaft, the outer electrode shaft sleeve The conductive card shaft and the rotating motor are both electrically connected to the controller.
8. An air conditioner, characterized in that it includes the cross-flow fan assembly according to any one of claims 1 to 7, and further comprises a frame, and the end of the cross-flow fan facing away from the rotating electrical machine is rotatably mounted on the frame, and the electrode is mounted on the frame. The seat is fixedly connected to the frame.
9. A method for adjusting air volume of an air conditioner, wherein the method is applied to the air conditioner according to claim 8, and the method comprises:

   Obtain the operating mode and room temperature of the air conditioner;

   Based on the operating mode and the room temperature, the rotary motor is driven to rotate, so as to drive the moving fan blades to swing relative to the support plate by a preset angle.
10. The method for adjusting the air volume of an air conditioner according to claim 9, wherein the rotating motor is driven to rotate based on the operating mode and the room temperature to drive the moving fan blades to swing a preset angle relative to the support plate, further comprising:

    In the heating mode, when the room temperature is greater than or equal to the preset heating temperature, the moving fan blade swings to a first preset angle relative to the support plate; when the room temperature is lower than the preset heating temperature When , the moving fan blade swings to a second preset angle relative to the support plate; wherein, the first preset angle is smaller than the second preset angle;

    In the cooling mode, when the room temperature is greater than the preset cooling temperature, the moving fan blade swings to a third preset angle relative to the support plate; when the room temperature is less than or equal to the preset cooling temperature, the The moving fan blade swings to a fourth preset angle relative to the support plate; wherein, the third preset angle is greater than the fourth preset angle.

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