CN112412848A

CN112412848A - Cross flow fan assembly, air conditioner and air volume adjusting method thereof

Info

Publication number: CN112412848A
Application number: CN202011173895.0A
Authority: CN
Inventors: 曹高华; 樊明敬; 郝本华; 李国行; 王宪强; 李学瑞; 孟静; 崔凯
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-02-26
Anticipated expiration: 2040-10-28
Also published as: CN112412848B; WO2022089298A1

Abstract

The embodiment of the invention provides a cross-flow fan assembly, an air conditioner and an air volume adjusting method thereof, wherein the cross-flow fan assembly comprises a cross-flow fan, a rotating motor, a power supply shaft, an electrode mounting seat, a first electrode and a second electrode which are embedded in the electrode mounting seat at intervals; the cross-flow fan comprises a supporting disc arranged at intervals, a plurality of moving blades are arranged on the supporting disc at intervals in the circumferential direction in a swinging mode, and the moving blades are all connected to an output shaft of the rotary motor; the inner electrode shaft of the power supply shaft can be rotationally and electrically abutted against the first electrode, and the outer electrode shaft sleeve can be rotationally and electrically inserted into the columnar through hole of the second electrode; the inner electrode shaft and the outer electrode shaft sleeve are electrically connected to the rotating motor. This cross-flow fan assembly has improved current fixed flabellum structure, can adjust the air-out angle of flabellum in real time according to the amount of wind demand, prevents the noise that the rotational speed too big arouses, has solved the problem that can't supply power to the rotating electrical machines simultaneously.

Description

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

Technical Field

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

Background

Air conditioners are household devices commonly used in our daily life, and can adjust parameters such as temperature, humidity, cleanliness, air flow rate and the like of air in a room (or a closed space or a region) so as to meet the requirements of human comfort or technological processes. At present, cross-flow fans of indoor units of air conditioners are widely used in air conditioners and small-sized air supply devices due to their excellent characteristics of large flow rate, low noise, smooth air supply, and the like. The impeller of the cross-flow fan is multi-blade type and long cylindrical, and is provided with fixed forward multi-wing blades. During the working process of the air conditioner, one end of the cross-flow fan is rotatably arranged on the shell, the other end of the cross-flow fan is driven to rotate by the main motor, the change of the air volume during the operation of the air conditioner is controlled by controlling the rotating speed of the main motor, and the strength and the weakness of the refrigeration and the heating of the air conditioner are realized by changing the compressor. In the process of changing the running state of the components, the phenomena of air supply noise and function weakness can occur, and the overall performance of the air conditioner is influenced.

Disclosure of Invention

The embodiment of the invention provides a cross-flow fan assembly, an air conditioner and an air volume adjusting method thereof, which are used for solving the problem that noise is easily caused when the air volume is controlled by changing the rotating speed of the conventional air conditioner.

The embodiment of the invention provides a cross-flow fan assembly, which comprises a cross-flow fan, a rotating motor, a power supply shaft, an electrode mounting seat, a first electrode and a second electrode, wherein the first electrode and the second electrode are embedded in the electrode mounting seat at intervals;

the cross-flow fan comprises at least two supporting disks arranged at intervals, and a shell of the rotating motor is fixedly connected with one of the supporting disks; a plurality of moving fan blades are arranged on the supporting disc at intervals in the circumferential direction in a swinging manner, and are all connected to an output shaft of the rotating motor so as to swing relative to the supporting disc along with the rotation of the output shaft of the rotating motor;

the power supply shaft comprises an electrode shaft assembly, one end of the electrode shaft assembly is fixedly connected to the supporting disc, and the other end of the electrode shaft assembly is inserted into the electrode mounting seat; the electrode shaft assembly comprises an inner electrode shaft, an insulating shaft sleeve and an outer electrode shaft sleeve which are coaxially sleeved in sequence, the inner electrode shaft can be rotatably and electrically abutted against the first electrode, and the outer electrode shaft sleeve can be rotatably and electrically inserted into the columnar through hole of the second electrode; the inner electrode shaft and the outer electrode shaft sleeve are electrically connected to the rotating motor.

According to the cross-flow fan assembly of one embodiment of the invention, the output shaft of the rotating motor is circumferentially provided with the rotating rods which are in one-to-one correspondence with the moving fan blades, and the rotating rods are connected with the moving fan blades.

According to the cross-flow fan assembly provided by the embodiment of the invention, the rotating rod is provided with the clamping jaw, the moving fan blade is provided with the swing rod, and the clamping jaw is connected to the swing rod so as to drive the moving fan blade to swing.

According to the cross-flow fan assembly provided by one embodiment of the invention, the supporting disc is further fixedly connected with fixed fan blades which correspond to the moving fan blades one by one, clamping grooves are formed in the fixed fan blades in the length direction, clamping shafts are arranged on the moving fan blades in the length direction, and the clamping shafts can be embedded into the clamping grooves in a swinging mode.

According to the cross-flow fan assembly provided by the embodiment of the invention, the supporting disc is circumferentially provided with the limiting openings which are in one-to-one correspondence with the moving fan blades, and the moving fan blades are arranged in the limiting openings so as to limit the swinging angles of the moving fan blades.

According to the cross-flow fan assembly of one embodiment of the invention, the second electrode comprises an insulating sphere with a cylindrical through hole therein and at least one conductive clamp, and the conductive clamp is clamped on the insulating sphere along the axial direction of the insulating sphere; the conductive clamping piece comprises an inner conductive piece and an outer conductive piece, one end of the inner conductive piece is connected with the inner wall surface of the insulating sphere, and the outer electrode shaft sleeve is rotatably connected to the other end of the inner conductive piece; one side of the outer conducting strip is attached to the outer wall surface of the insulating sphere, and the other side of the outer conducting strip is clamped to the electrode mounting seat.

According to the cross-flow fan assembly provided by one embodiment of the invention, the power supply shaft further comprises a power supply shaft mounting seat fixedly connected to the supporting disc, and the inner electrode shaft and the outer electrode shaft sleeve are clamped in the power supply shaft mounting seat through corresponding conductive clamping shafts; the power supply shaft mounting seat is internally provided with a controller, 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 electrically connected with the controller.

The embodiment of the invention also provides an air conditioner, which comprises the cross-flow fan assembly and a framework, wherein one end of the cross-flow fan, which is far away from the rotating motor, is rotatably arranged on the framework, and the electrode mounting seat is fixedly connected to the framework.

The embodiment of the invention also provides an air conditioner air volume adjusting method, which is applied to the air conditioner and comprises the following steps:

acquiring an operation mode and room temperature of the air conditioner;

and driving the rotating motor to rotate based on the operation mode and the room temperature so as to drive the moving fan blades to swing by a preset angle relative to the supporting disc.

According to an embodiment of the present invention, the method for adjusting an air volume of an air conditioner, wherein the rotating motor is driven to rotate based on the operation mode and the room temperature so as to drive the moving fan blades to swing by a preset angle relative to the supporting plate, further includes:

in the heating mode, when the room temperature is greater than or equal to a preset heating temperature, the moving fan blades swing to a first preset angle relative to the supporting disc; when the room temperature is lower than the preset heating temperature, the moving fan blades swing to a second preset angle relative to the supporting disc; wherein the first preset angle is smaller than the second preset angle;

in a refrigeration mode, when the room temperature is higher than a preset refrigeration temperature, the moving fan blades swing to a third preset angle relative to the supporting disc; when the room temperature is lower than or equal to the preset refrigeration temperature, the moving fan blades swing to a fourth preset angle relative to the supporting disc; wherein the third preset angle is larger than the fourth preset angle.

The cross-flow fan assembly, the air conditioner and the air volume adjusting method thereof provided by the embodiment of the invention have the advantages that the cross-flow fan assembly is provided with a plurality of movable fan blades capable of swinging on a supporting disc of the cross-flow fan, then the rotating motor is utilized to drive the movable fan blades to swing, so that the air outlet angles of the movable fan blades are changed, the air outlet angles are different, the air outlet volumes are also different, and further, under the condition that the rotating speed of the supporting disc is not changed, the purpose of changing the air volume can be achieved by changing the angles of the fan blades; because the casing of the rotating motor is fixedly connected with the supporting disc, the rotating motor can rotate along with the cross-flow fan, a power supply structure is formed by the power supply shaft, the electrode mounting seat, the first electrode and the second electrode together, stable power supply from the fixed end to the rotating end is realized, and the rotating motor can output another path of rotating motion to drive the moving fan blades to swing while rotating along with the rotating. When the cross-flow fan is used, the first electrode and the second electrode are embedded in the electrode mounting seat together to form a positive electrode pair and a negative electrode pair, the electrode mounting seat can be fixed on a framework of an air conditioner and used as a fixing part, meanwhile, a power supply shaft rotating along with the cross-flow fan is inserted into the electrode mounting seat, the inner electrode shaft can be rotationally and electrically abutted against the first electrode, the outer electrode shaft sleeve can be rotationally and electrically inserted into the columnar through hole of the second electrode, and then the electric energy of external power supply equipment is transmitted to a rotating motor rotating together with the cross-flow fan. The cross-flow fan assembly improves the existing fixed fan blade structure, can adjust the air outlet angle of the fan blades in real time according to the air volume demand, reduces the power waste of the main motor for adjusting the rotating speed, prevents the noise caused by the overlarge rotating speed, and solves the problem that the power supply to the rotating motor cannot be realized. The air volume adjusting method of the air conditioner is realized by changing the angle of the fan blades of the cross flow fan, the operating state of other components is not required to be changed, and the adjustment is more direct and rapid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a crossflow fan assembly provided in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of the crossflow fan of FIG. 1;

fig. 3 is a schematic structural diagram of a rotating electrical machine and a power supply structure according to an embodiment of the present invention;

fig. 4 is a partial sectional view of the rotary electric machine and the power supply structure in fig. 3;

FIG. 5 is a schematic structural diagram of a steering gear provided in an embodiment of the present invention;

FIG. 6 is a schematic view of the mounting of the support plate, the moving blades and the fixed blades according to the embodiment of the present invention;

FIG. 7 is a schematic view of a connection between a moving blade and a fixed blade according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a spherical electrode according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a conductive clip according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an annular conductive sheet according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of an insulating sphere according to an embodiment of the present invention;

FIG. 12 is a schematic view of the insulating sphere of FIG. 11 from another perspective;

FIG. 13 is a schematic structural diagram of an electrical conduction device according to an embodiment of the present invention;

FIG. 14 is a partial cross-sectional view of the conductive assembly of FIG. 13;

FIG. 15 is a schematic structural diagram of an electrode mounting base according to an embodiment of the present invention;

FIG. 16 is a schematic view of the electrode mount of FIG. 15 from another perspective;

FIG. 17 is a cross-sectional view of an electrode mount provided by an embodiment of the present invention;

fig. 18 is a schematic structural diagram of a power supply shaft according to an embodiment of the present invention;

FIG. 19 is a schematic structural view of an electrode shaft assembly provided in accordance with an embodiment of the present invention;

fig. 20 is a cross-sectional view of a power supply shaft provided in an embodiment of the present invention;

FIG. 21 is a schematic view of the installation of a crossflow fan assembly provided by an embodiment of the present invention;

FIG. 22 is a schematic view of a cross flow fan assembly installed from another perspective according to an embodiment of the present invention.

Reference numerals:

100. an electrode mount; 110. An insulating base body; 111. A first cylinder;

112. a second cylinder; 113. A third cylinder; 120. A first accommodating chamber;

121. a first wiring terminal hole; 130. A second accommodating chamber; 131. A second wiring terminal hole;

140. a third accommodating chamber; 150. An annular groove; 151. An annular flange;

160. a first rib; 170. A second rib; 180. A groove;

200. a first electrode; 210. A first connection terminal;

300. a second electrode; 310. A second connection terminal; 320. An insulating sphere;

321. a columnar through hole; 322. An arc-shaped groove; 330. A conductive clip;

331. an inner conductive sheet; 332. An outer conductive sheet; 340. An annular conductive sheet;

400. a power supply shaft; 410. A power supply shaft mounting base; 411. A first chamber;

412. a second chamber; 413. A partition plate; 414. A wiring hole;

415. a mounting flange; 416. A wire arranging hole; 420. An electrode shaft assembly;

421. an inner electrode shaft; 422. An outer electrode shaft sleeve; 423. An insulating shaft sleeve;

431. a first conductive clip shaft; 432. A second conductive clip shaft; 440. Clamping a plate;

450. an insulating spacer;

500. a rotating electric machine; 510. An output shaft;

600. a controller; 610. A wire;

700. a cross-flow fan; 710. A support tray; 720. Moving fan blades;

721. a swing rod; 722. A stopper; 723. Clamping a shaft;

730. a diverter; 731. A turntable; 732. A rotating rod;

733. a claw; 734. A shaft hole; 740. Fixing the fan blades;

741. a card slot; 750. An end cap; 760. Driving the rotating shaft;

800. and (3) a framework.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. Specific meanings of the above terms in the embodiments of the invention will be understood to those of ordinary skill in the art in specific cases.

As shown in fig. 1 to 4, a cross-flow fan assembly according to an embodiment of the present invention includes a cross-flow fan 700, a rotating electrical machine 500, a power supply shaft 400, an electrode mount 100, and a first electrode 200 and a second electrode 300 embedded in the electrode mount 100 at intervals. The electrode mounting base can be mounted on a framework of the air conditioner and serves as a fixed end.

As shown in fig. 1 and 2, the cross-flow fan 700 includes at least two supporting plates 710 spaced apart from each other, and a casing of the rotary electric machine 500 is fixed to one of the supporting plates 710. The support plate 710 has a plurality of moving blades 720 mounted thereon at intervals in the circumferential direction and swingably, and the moving blades 720 are connected to the output shaft 510 of the rotary electric machine 500 so as to swing with respect to the support plate 710 in accordance with the rotation of the output shaft 510 of the rotary electric machine 500.

As shown in fig. 3 and 4, the power supply shaft 400 includes an electrode shaft assembly 420, one end of the electrode shaft assembly 420 is fixed to the supporting plate 710, and the other end of the electrode shaft assembly 420 is inserted into the electrode mounting base 100. The electrode shaft assembly 420 includes an inner electrode shaft 421, an insulating sleeve 423 and an outer electrode sleeve 422 coaxially sleeved in sequence, the inner electrode shaft 421 is rotatably and electrically abutted against the first electrode 200, and the outer electrode sleeve 422 is rotatably and electrically inserted into the cylindrical through hole of the second electrode 300. The inner electrode shaft 421 and the outer electrode sleeve 422 are electrically connected to the rotating electrical machine 500.

Specifically, as shown in fig. 1 and fig. 2, the supporting plate 710 of the cross flow fan 700 may be a disc-shaped plate, a plurality of supporting plates 710 are arranged in parallel at intervals in the axial direction, the number of the supporting plates 710 may be reasonably selected according to the length required by the cross flow fan, and in this embodiment, four supporting plates 710 are mainly used as an example for description, which is not limited herein. For example, as shown in fig. 1, the support plate 710 at the lowermost end is provided with a driving shaft 760, and the driving shaft 760 may be connected to an external main motor, so as to drive the entire crossflow fan 700 to rotate. The supporting plate 710 in the middle mainly plays a supporting role, so as to prevent the influence on the stability of the air outlet due to the vibration noise caused by uneven stress at the middle part caused by too long moving fan blades 720. The uppermost support plate 710 is fixed to the housing of the rotating electric machine 500 by an end cover 750. The end cap 750 is coaxially installed on the support plate 710 so that the end cap 750 can drive the casing of the rotary electric machine 500 to rotate together with the cross flow fan 700 driven by the main motor. The end cap 750 and the housing of the rotating electrical machine 500 may be bonded, welded, or detachably connected (e.g., bolted), and in this embodiment, the bolt connection is taken as an example, and two mounting flanges are symmetrically disposed on the housing of the rotating electrical machine 500, and two bolt connection columns are correspondingly disposed on the supporting disk 710, and the two bolt connection columns are symmetric about the axis of the supporting disk 710, so that the rotating electrical machine 500 can be coaxially mounted on the supporting disk 710 by bolts.

A plurality of moving blades 720 are installed at intervals in the circumferential direction of the support plate 710, and the plurality of moving blades 720 are connected to the output shaft 510 of the rotary electric machine 500 so as to swing with respect to the support plate 710 in accordance with the rotation of the output shaft 510 of the rotary electric machine 500. The moving blades 720 may be uniformly distributed along the circumferential direction of the support plate 710, and the length direction of the moving blades 720 is parallel to the axial direction of the support plate 710. Each moving blade 720 is swingably connected to each support plate 710, and the swing axis of the moving blade 720 is parallel to the axis of the support plate 710. As shown in fig. 2, with the swing of the moving blades 720, an included angle between the side surface of the moving blades 720 and the rotation direction of the support plate 710, that is, an air outlet angle of the moving blades 720, can be changed, and further, the air outlet amount is changed under the condition that the rotation speed of the cross flow fan 700 is not changed.

As shown in fig. 3 and 4, one end of the electrode shaft assembly 420 of the power supply shaft 400 may be fixed to the support plate 710 by the power supply shaft mount 410 and electrically connected to the rotary electric machine 500. The power supply shaft mounting base 410 may be provided with a plurality of mounting flanges 415 for the cross flow fan 700 in the circumferential direction, the mounting flanges 415 may be provided with mounting holes to be connected with the rotating member by bolts, and the mounting flanges 415 may be clamped or welded to the rotating member, which is not limited herein. 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 and electrically connected with the first electrode 200 and the second electrode 300. The support disk 710 may rotate the electrode shaft assembly 420 with the supply shaft mount 410. The inner electrode shaft 421, the insulating sleeve 423 and the outer electrode sleeve 422 of the electrode shaft assembly 420 are sequentially coaxially sleeved and fixedly connected with each other to form a whole. As shown in fig. 4, the inner electrode shaft 421 has the longest length, the outer electrode shaft sleeve 422 has the shortest length, and the insulating shaft sleeve 423 is disposed between the inner electrode shaft 421 and the outer electrode shaft sleeve 422 to perform an insulating function.

When the power supply device is used, the positive electrode and the negative electrode of the external power supply device are respectively and electrically connected to the first electrode 200 and the second electrode 300 through the first connection terminal 210 and the second connection terminal 310, the inner electrode shaft 421 can be rotationally and electrically abutted against the first electrode 200, the outer electrode shaft sleeve 422 can be rotationally and electrically inserted into the columnar through hole of the second electrode 300, and the inner electrode shaft 421 and the outer electrode shaft sleeve 422 transmit electric energy to the rotating motor 500, so that stable power supply from the fixed end to the rotating end is realized.

According to the cross flow fan assembly provided by the embodiment, the plurality of swingable moving fan blades 720 are arranged on the supporting disc 710 of the cross flow fan 700, and the rotating motor 500 is used for driving the moving fan blades 720 to swing, so that the air outlet angles of the moving fan blades 720 are changed, the air outlet angles are different, the air outlet amount is also different, and the purpose of changing the air amount can be achieved by changing the angles of the fan blades under the condition that the rotating speed of the supporting disc 710 is not changed; because the casing of the rotating electrical machine 500 is fixedly connected to the supporting disc 710, the rotating electrical machine 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 together, so that stable power supply from a fixed end to a rotating end is realized, and the rotating electrical machine 500 can output another path of rotating motion to drive the moving fan blade 720 to swing while rotating along with the rotating. When the air conditioner is used, the first electrode 200 and the second electrode 300 are embedded in the electrode mounting seat 100 together to form a positive electrode pair and a negative electrode pair, the electrode mounting seat 100 can be fixed on a framework of an air conditioner to be used as a fixing part, meanwhile, the power supply shaft 400 rotating along with the cross flow fan 700 is inserted into the electrode mounting seat 100, the inner electrode shaft 421 can be rotatably and electrically abutted against the first electrode 200, the outer electrode shaft sleeve 422 can be rotatably and electrically inserted into the columnar through hole of the second electrode 300, and further, the electric energy of external power supply equipment is transmitted to the rotating motor 500 rotating together with the cross flow fan 700. The cross-flow fan assembly improves the existing fixed fan blade structure, can adjust the air outlet angle of the fan blades in real time according to the air volume demand, reduces the power waste of the main motor for adjusting the rotating speed, prevents the noise caused by the overlarge rotating speed, and solves the problem that the power supply to the rotating motor cannot be realized.

Further, as shown in fig. 1, 2 and 5, a steering gear 730 is coaxially and rotatably installed on the support plate 710, and the rotary electric machine 500 is connected to each of the moving blades 720 through the steering gear 730. The steering gear 730 includes a rotatable plate 731 rotatably coupled to the support plate 710, the rotatable plate 731 being disposed coaxially with the support plate 710. The rotary plate 731 has rotary rods 732 fixed to the circumferential direction thereof, the rotary rods 732 corresponding to the moving blades 720 one by one, and the rotary rods 732 are connected to the moving blades 720. The center of the rotation plate 731 is further provided with a shaft hole 734, and the output shaft 510 of the rotating motor 500 can be inserted into the shaft hole 734 to drive the rotation plate 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 the rotating plate 731.

The rotatable plate 731 may be a disc-shaped plate member coaxial with the supporting plate 710, and as shown in fig. 6, a boss is provided at the center of the supporting plate 710 for abutting against the rotatable plate 731, so as to realize coaxial rotatable connection therebetween. A rotary bar 732 is provided at a position corresponding to each of the moving blades 720 in the circumferential direction of the rotary plate 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 rotating disc 731, and the rotating disc 731 rotates to drive the moving fan 720 to swing around the swing axis.

The steering gear 730 can rotate with the support plate 710, and the steering gear 730 is relatively static with the support plate 710; meanwhile, when the wind outlet angle of the moving blades 720 needs to be changed, the steering gear 730 can also rotate relatively to the supporting plate 710 under the driving of the output shaft 510 of the rotating electrical machine 500, and since the steering gear 730 is connected to each moving blade 720 and the connection point deviates from the swing axis of the moving blade 720, when the steering gear 730 rotates relatively, the moving blades 720 can be driven to swing relatively to the supporting plate 710. In addition, the diverter 730 may also be mounted on the centrally located support plate 710. When the steering gear 730 is mounted on the support plates 710 at both ends, the moving blades 720 are connected to the steering gear 730 through the ends thereof; if the steering gear 730 is mounted on the central support plate 710, the moving blades 720 are connected to the steering gear 730 via their lateral surfaces. In any connection method, the connection point between the steering gear 730 and the moving blade 720 may be deviated from the pivot axis of the moving blade 720.

Further, as shown in fig. 5 and fig. 6, a claw 733 may be disposed at an end of the rotating rod 732, and the moving blade 720 is provided with a swing rod 721, and the claw 733 is connected to the swing rod 721 to drive the moving blade 720 to swing. Specifically, the claw 733 may be fastened to a side wall of the swing rod 721, the claw 733 is provided with a fastening groove adapted to an outer wall surface of the swing rod 721, the fastening groove has an opening, the swing rod 721 may be pressed into the fastening groove from the opening, and the claw may be reversely pulled out from the opening during detachment, thereby facilitating the quick detachment between the rotating rod 732 and the swing rod 721.

Further, as shown in fig. 7, the end of the swing link 721 facing away from the moving blades 720 is provided with a stopper 722. The size of the stop part 722 is larger than that of the clamping groove of the claw 733, and the stop part 722 may be a sphere, a block, a cylinder or other shapes, which is not limited herein.

Further, as shown in fig. 1, 2, 6 and 7, the support plate 710 is further fixedly connected with fixed blades 740 corresponding to the moving blades 720 one by one, the fixed blades 740 are provided with slots 741 in the length direction, the moving blades 720 are provided with clamping shafts 723 in the length direction, and the clamping shafts 723 are swingably embedded in the slots 741. Specifically, the fixed blades 740 may be embedded in the supporting disk 710, and the included angle between the fixed blades 740 and the rotating direction of the supporting disk 710 is always kept constant, and the fixed blades 740 are closer to the axis of the supporting disk 710 than the moving blades 720, that is, the fixed blades 740 face inward, and the moving blades 720 face outward. As shown in fig. 7, the fixed blade 740 is provided with a C-shaped slot 741 in the length direction, and correspondingly, the moving blade 720 is provided with a shaft 723 adapted to the slot 741 in the length direction, and the shaft 723 can be inserted into the slot 741 through the opening of the slot 741 to achieve the engagement. When the swing link 721 is stressed, the moving fan 720 can rotate around the clamping shaft 723, and swing is achieved.

Further, as shown in fig. 2 and fig. 6, the supporting disc 710 is circumferentially provided with a limiting opening corresponding to the moving blades 720 one by one, and the moving blades 720 are disposed in the limiting opening to limit the swing angle of the moving blades 720. Specifically, the limiting port can be a V-shaped port, and the included angle of the limiting port can be selected according to actual requirements.

On the basis of the above embodiments, as shown in fig. 8 to 12, the second electrode 300 may be a spherical electrode, and specifically, may include an insulating sphere 320 having a cylindrical through hole 321 therein, and at least one conductive clip 330, where the conductive clip 330 is clamped on an inner wall surface and an outer wall surface of the insulating sphere 320 along an 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 one side of the outer conductive sheet 332 is attached to the outer wall surface of the insulating sphere 320.

Specifically, the insulating sphere 320 may be a sphere or an ellipsoid, the upper and lower ends of the sphere (or the ellipsoid) are cut off by a plane, and a cylindrical through hole is formed at the center thereof to form a spherical shell with a spherical outer wall surface and a cylindrical inner wall surface. The conductive clip 330 is clamped on the insulating sphere 320, and the conductive clip 330 may be an integral annular clip wound around the circumference of the insulating sphere 320 or a plurality of separate arc-shaped clips. Each of the conductive clips 330 has the same shape and size, and includes an inner conductive sheet 331 and an outer conductive sheet 332, the inner conductive sheet 331 and the outer conductive sheet 332 are connected at their lower ends to form an integral component, and the conductive clips 330 can be moved up from the lower ends of the insulating spheres 320 and hold the wall surfaces of the insulating spheres 320 during assembly. 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 that a cylindrical conductive chamber is formed inside the second electrode 300 for being electrically connected to the power supply shaft 400 in a rotatable manner. The inner side of the inner conductive sheet 331 may also be coated with conductive grease or conductive gel. The outer conductive strip 332 of the at least one conductive clip 330 is provided with the second wire terminal 310. The second connection terminal 310 is disposed to penetrate out of the electrode mounting base 100, and when the electrode mounting base is used, the outer conductive sheet 332 is electrically connected to a power supply device disposed at the fixed end, so that electric energy is transmitted to the inner conductive sheet 331 and then transmitted to the power supply shaft 400.

Further, as shown in fig. 8, 9 and 10, the number of the conductive clips 330 is plural, and the plural conductive clips 330 are spaced apart along the circumference of the insulation ball 320, and specifically, the plural conductive clips 330 may be spaced apart at equal intervals along the circumference of the insulation ball 320. The conductive ball further comprises an annular conductive sheet 340, the annular conductive sheet 340 is mounted at one end of the insulating ball 320 facing the connection part of the inner conductive sheet 331 and the outer conductive sheet 332, that is, the upper side of the annular conductive sheet 340 abuts against the lower end of the insulating ball 320, and the lower side of the annular conductive sheet 340 abuts against the upper end of the connection part of the inner conductive sheet 331 and the outer conductive sheet 332. By providing the annular conductive strip 340, a plurality of spaced conductive clips 330 can be electrically connected to each other, so that only one second connection terminal 310 is needed to energize all of the inner conductive strips 331.

Further, as shown in fig. 8 and 9, the outer conductive sheet 332 has an arc shape. As shown in fig. 11 and 12, the outer wall surface of the insulating sphere 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 that after the outer conductive sheet 332 is inserted into the arc-shaped groove 322, the outer wall surface of the outer conductive sheet 332 is higher than the outer wall surface of the insulating sphere 320, and can be clamped with the mounting slot of the electrode mounting base 100, thereby preventing the second electrode 300 from rotating and shifting in the electrode mounting base 100.

Further, the insulating ball 320 may be made of rubber, and after the insulating ball 320 is assembled with the conductive clip 330 and the annular conductive sheet 340, the rubber may be slightly melted by high temperature processing, so as to be welded with each component into a whole.

Fig. 13 and 14 show a schematic configuration of a conductive device composed of the electrode mount 100, the first electrode 200, and the second electrode 300, and fig. 15 to 17 show a schematic configuration of the electrode mount 100. A power supply shaft accommodating cavity (namely, the third accommodating cavity 140) for connecting the power supply shaft 400 is formed in the electrode mounting base 100, one end of the power supply shaft accommodating cavity penetrates through to the lower end of the electrode mounting base 100, and the other end of the power supply shaft accommodating cavity penetrates through to the first electrode 200 after penetrating through the columnar through hole 321 of the insulating sphere 320. The first electrode 200 in this embodiment may be a disk-shaped electrode.

As shown in fig. 15 to 17, the electrode mounting base 100 includes an insulating base body 110, a first accommodating cavity 120 for mounting a first electrode 200, a second accommodating cavity 130 for mounting a second electrode 300, and a third accommodating cavity 140 for mounting a power supply shaft (i.e., a power supply shaft accommodating cavity) are disposed in the insulating base body 110, and the first accommodating cavity 120 and the second accommodating cavity 130 are disposed at an interval and are communicated with each other through the third accommodating cavity 140. Specifically, the first and second

terminal holes

121 and 131 may be located at the same side of the insulation base body 110 so as to be wired with an external power supply device also mounted to the fixing part. The insulation housing 110 may be mounted on a fixed member, such as a frame of an air conditioner. The insulation base 110 may be integrally formed by using an insulation material such as rubber. The first accommodating cavity 120 can directly adopt the top space of the third accommodating cavity 140, and the first electrode 200 can be put into the insulating base 110 from the lower opening of the third accommodating cavity 140 and finally clamped on the top of the third accommodating cavity 140. Similarly, the second electrode 300 may be inserted into the lower opening of the third accommodating cavity 140 and finally clamped in the second accommodating cavity 130.

As shown in fig. 15 to 17, the insulation housing 110 is composed of a plurality of cylinders with gradually increasing diameters. Furthermore, the insulation base 110 includes a first cylinder 111, a second cylinder 112 and a third cylinder 113 with increasing diameters, and an annular groove 150 is formed between the second cylinder 112 and the third cylinder 113 along the radial direction. The annular groove 150 can be matched with the annular protrusion on the fixing component, so that the insulation seat body 110 can be positioned and installed on the fixing component more accurately, and axial displacement is prevented.

Further, as shown in fig. 15 and 16, the annular groove 150 is provided with an annular flange 151 on a side thereof adjacent to the second cylindrical body 112. The heights of the two sides of the annular groove 150 can be close to or equal by arranging the annular flange 151, so that the insufficient depth of the annular groove 150 caused by the diameter difference of the second cylinder 112 and the third cylinder 113 is avoided, and the stability of positioning is improved. The outer wall of the second cylinder 112 is circumferentially provided with a plurality of first ribs 160 protruding outward, and the outer wall of the third cylinder 113 is circumferentially provided with a plurality of second ribs 170 protruding outward. Specifically, the first rib 160 and the second rib 170 may be cylindrical ribs extending along the axial direction of the second cylinder 112, and accordingly, the first rib 160 and the second rib 170 may be adapted to the concave portion on the fixing component, so as to prevent the insulation base 110 from rotating and shifting. Furthermore, the first ribs 160 and the second ribs 170 may be evenly distributed along the circumferential direction at equal intervals, so that the stress on the insulation base 110 is more even. Meanwhile, the first ribs 160 and the second ribs 170 may be disposed to be offset from each other.

Further, as shown in fig. 16 and 17, the end surface of the third cylinder 113 facing away from the second cylinder 112 is provided with a plurality of axially concave grooves 180. Specifically, the grooves 180 may be uniformly distributed along the circumference of the third cylinder 113. By arranging the groove 180, when the cross flow fan rotates, vortex air flow can be formed in the groove 180, the vortex air flow collides with air flow generated by an impeller of the cross flow fan, the direction of the impeller air flow is changed, the phenomenon that the impeller air flow strikes a volute tongue to generate air flow noise is avoided, and the sound quality of the air conditioner is improved.

As shown in fig. 18 to 20, the inner electrode shaft 421 and the outer electrode shaft sleeve 422 of the power supply shaft 400 are respectively clamped in the power supply shaft mounting seat 410 by corresponding conductive clamping shafts, and the conductive clamping shafts of the inner electrode shaft 421 and the outer electrode shaft sleeve 422 are electrically connected to the rotating electrical machine 500.

Specifically, the length of the inner electrode shaft 421 located in the power supply shaft mounting seat 410 is greater than the length of the outer electrode shaft sleeve 422 located in the power supply shaft mounting seat 410, and the inner electrode shaft 421 is clamped in the power supply shaft mounting seat 410 through the first conductive clamping shaft 431 and the outer electrode shaft sleeve 422 through the second conductive clamping shaft 432. The first and second

conductive pins

431 and 432 may be conductive rods extending outward in a radial direction of the inner electrode shaft 421. Further, the first conductive chuck shaft 431 and the second conductive chuck shaft 432 may be further provided in plurality in the circumferential direction of the inner electrode shaft 421. The first conductive shaft 431 and the second conductive shaft 432 may be positioned in parallel to each other or may be positioned in a staggered manner. The power supply shaft mounting base 410 is provided with a clamping plate 440 corresponding to the conductive clamping shaft, and the conductive clamping shaft is clamped in a clamping groove of the clamping plate 440. The catch plate 440 may be disposed within a cavity wall of the supply shaft mount 410. An insulating gasket 450 is further installed between the first conductive chuck shaft 431 and the second conductive chuck shaft 432 to prevent the positive and negative electrodes from contacting.

Through setting up electrically conductive card axle, not only can be spacing in power supply shaft mount pad 410 with electrode shaft subassembly 420, make electrode shaft subassembly 420 can rotate along with power supply shaft mount pad 410 is synchronous, electrically conductive card axle can also play binding post's effect simultaneously, can be connected to rotating electrical machines 500's positive negative pole with first electrically conductive card axle 431 and the electrically conductive card axle 432 of second respectively with the wire during the use, convenient wiring.

Further, as shown in fig. 4, a controller 600 is further installed in the power supply shaft mounting seat 410, and the conductive chuck shaft of the inner electrode shaft 421, the conductive chuck shaft of the outer electrode shaft sleeve 422 and the rotating electrical machine 500 are electrically connected to the controller 600.

Specifically, the power supply shaft mounting base 410 includes a first cavity 411 and a second cavity 412 partitioned by a partition 413, a first conductive shaft 431 and a second conductive shaft 432 are clamped in the first cavity 411, and the controller 600 is mounted in the second cavity. The partition 413 is provided with a wiring hole 414 corresponding to the card slot. The sidewall of the second chamber 412 is formed with a wire management hole 416. The first conductive chuck shaft 431 and the second conductive chuck shaft 432 are electrically connected to the controller 600 through the wire 610 passing through the wire connection hole 414, and the controller 600 is electrically connected to the rotary electric machine 500 through the wire 610 passing through the wire arrangement hole 416.

More specifically, the first chamber 411 and the second chamber 412 may be cylindrical chambers having increasing diameters, and the first chamber 411, the second chamber 412, and the electrode shaft assembly 420 are coaxially disposed. During installation, the bottom of the inner electrode shaft 421 can abut against the partition 413 to ensure axial positioning, and meanwhile, the circumferential positioning of the electrode shaft assembly 420 is ensured through the conductive clamping shaft. The controller 600 may be a microcomputer board, such as an MCU. The controller 600 may rectify, filter, and stabilize the current received by the electrode shaft assembly 420, and then supply the current to the rotating electrical machine 500 for use, and may also control the start/stop, the rotation speed, or the rotation angle of the rotating electrical machine 500.

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

As shown in fig. 21 and 22, an air conditioner according to an embodiment of the present invention further includes a cross flow fan assembly as described above, and further includes a frame 800, wherein an end of the cross flow fan 700 facing away from the rotating electrical machine 500 is rotatably mounted on the frame 800, and the electrode mounting base 100 is fixedly connected to the frame 800.

first, an operation mode of an air conditioner and a room temperature are acquired. The room temperature can be detected by a temperature sensor arranged in the air conditioner, and the temperature sensor transmits the detected temperature data to the controller 600 for controlling the rotating motor 500 in a wireless transmission mode such as Bluetooth and the like together with the current operation mode signal after the data processing is carried out on the temperature data by the computer board of the air conditioner.

Then, the rotating motor 500 is driven to rotate based on the current operation mode and the room temperature to swing the moving fan 720 by a preset angle with respect to the support plate 710.

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

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

According to the cross-flow fan assembly, the air conditioner and the air volume adjusting method of the cross-flow fan assembly, the cross-flow fan assembly improves the existing fixed fan blade structure, the air outlet angle of the fan blades can be adjusted in real time according to the air volume requirement, the power waste of the main motor in adjusting the rotating speed is reduced, the noise caused by overlarge rotating speed is prevented, and the problem that the power cannot be supplied to the rotating motor is solved. The air volume adjusting method of the air conditioner is realized by changing the angle of the fan blades of the cross flow fan, the operating state of other components is not required to be changed, and the adjustment is more direct and rapid.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A cross flow fan component is characterized by comprising a cross flow fan, a rotating motor, a power supply shaft, an electrode mounting seat, a first electrode and a second electrode, wherein the first electrode and the second electrode are embedded in the electrode mounting seat at intervals;

2. The crossflow fan assembly of claim 1 wherein the output shaft of the rotary motor is circumferentially provided with rotary rods in one-to-one correspondence with the moving blades, the rotary rods being connected to the moving blades.

3. The crossflow fan assembly of claim 2 wherein the rotary rod is provided with a pawl and the moving fan blade is provided with a rocker, the pawl being connected to the rocker to drive the moving fan blade to oscillate.

4. The cross-flow fan assembly according to claim 1, wherein the supporting plate is further fixedly connected with fixed blades corresponding to the moving blades one to one, the fixed blades are provided with clamping grooves in the length direction, the moving blades are provided with clamping shafts in the length direction, and the clamping shafts are embedded into the clamping grooves in a swinging manner.

5. The crossflow fan assembly of claim 4 wherein the support plate is circumferentially provided with limiting openings corresponding to the moving blades one to one, and the moving blades are arranged in the limiting openings to limit the swing angles of the moving blades.

6. The crossflow fan assembly of 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 clamped to the insulating sphere along an axial direction of the insulating sphere; the conductive clamping piece comprises an inner conductive piece and an outer conductive piece, one end of the inner conductive piece is connected with the inner wall surface of the insulating sphere, and the outer electrode shaft sleeve is rotatably connected to the other end of the inner conductive piece; one side of the outer conducting strip is attached to the outer wall surface of the insulating sphere, and the other side of the outer conducting strip is clamped to the electrode mounting seat.

7. The crossflow fan assembly of any one of claims 1 to 5 wherein the power supply shaft further comprises a power supply shaft mounting seat fixedly connected to the support plate, the inner electrode shaft and the outer electrode shaft sleeve are clamped in the power supply shaft mounting seat through corresponding conductive clamping shafts; the power supply shaft mounting seat is internally provided with a controller, 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 electrically connected with the controller.

8. An air conditioner, characterized by comprising the cross-flow fan assembly as recited in any one of claims 1 to 7, and further comprising a framework, wherein one end of the cross-flow fan, which is far away from the rotating motor, is rotatably mounted on the framework, and the electrode mounting seat is fixedly connected to the framework.

9. An air conditioning air volume adjusting method, applied to the air conditioner according to claim 8, comprising:

acquiring an operation mode and room temperature of the air conditioner;

10. The air-conditioning air volume adjusting method according to claim 9, wherein the driving of the rotation motor to rotate based on the operation mode and the room temperature to swing the moving blades by a preset angle with respect to the supporting plate, further comprises: