CN213775743U - Power supply shaft and air conditioner - Google Patents

Abstract

The embodiment of the utility model provides a power supply axle and air conditioner, wherein the power supply axle is including the power supply axle mount pad and the rigid coupling that are used for connecting rotary part in the electrode shaft subassembly of power supply axle mount pad, and the electrode shaft subassembly is including the inner electrode axle, insulating axle sleeve and the outer electrode shaft sleeve that coaxial cup jointed in proper order, and outside the electrode shaft subassembly stretches out the power supply axle mount pad, and the extension length of inner electrode axle is greater than the extension length of outer electrode shaft sleeve. The power supply shaft is arranged on the rotating part through the power supply shaft mounting seat, and the electrode shaft assembly and the power supply shaft mounting seat can rotate along with the rotating part; 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, and the inner electrode shaft and the outer electrode shaft sleeve can be respectively connected with an external positive electrode pair and an external negative electrode pair so as to transmit electric energy. The power supply shaft is simple in structure, and stable power supply from the fixed end to the rotating end is achieved.

Description

Power supply shaft and air conditioner

Technical Field

The utility model relates to an air conditioning equipment technical field especially relates to a power supply shaft and air conditioner.

Background

The air conditioner mainly comprises four parts, namely a compressor, a condenser, a throttling device and an evaporator, wherein a refrigerant circulates in the four parts in sequence to realize the adjustment of the temperature in a room. During refrigeration, low-pressure steam of the refrigerant is sucked by the compressor and compressed into high-pressure steam and then discharged to the condenser, and outdoor air sucked by the outdoor axial flow fan flows through the condenser to take away heat emitted by the refrigerant, so that the high-pressure refrigerant steam is condensed into high-pressure liquid; the high-pressure liquid passes through the filter and the throttling mechanism and then is sprayed into the evaporator, and is evaporated under corresponding low pressure to absorb the heat around; meanwhile, the indoor cross-flow fan enables air to continuously enter fins of the evaporator for heat exchange, and the air which becomes cold after heat release is sent to the indoor, so that the indoor air continuously circularly flows to achieve the purpose of reducing the temperature.

Among them, the cross flow fan of the indoor unit is widely used in air conditioning equipment and small-sized air supply equipment due to its 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 forward multi-wing blades. In the process of the work of the existing air conditioner, one end of the cross-flow fan is rotatably arranged on the shell, and the other end of the cross-flow fan is driven to rotate by the main motor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a power supply shaft and air conditioner for solve the problem that the through-flow fan among the prior art can't install additional follow-up motor additional.

An embodiment of the utility model provides a power supply shaft, including power supply shaft mount pad and the rigid coupling that is used for connecting rotary part in the electrode shaft subassembly of power supply shaft mount pad, the electrode shaft subassembly is including coaxial interior electrode shaft, insulating axle sleeve and the outer electrode shaft sleeve that cup joints in proper order, the electrode shaft subassembly stretches out outside the power supply shaft mount pad, just the extension length of interior electrode shaft is greater than the extension length of outer electrode shaft sleeve.

According to the utility model discloses a power supply shaft, the inner electrode axle is located length in the power supply shaft mount pad is greater than the outer electrode axle sleeve is located length in the power supply shaft mount pad, just the inner electrode axle with the outer electrode axle sleeve all through corresponding electrically conductive calorie of axle joint in the power supply shaft mount pad.

According to the utility model discloses a power supply shaft, be equipped with in the power supply shaft mount pad with the cardboard that electrically conductive calorie of axle corresponds, electrically conductive calorie of axle joint in the draw-in groove of cardboard.

According to the utility model discloses a power supply shaft, power supply shaft mount pad includes first cavity and the second cavity that forms by the partition, electrically conductive card axle joint in the first cavity, correspond on the baffle the wiring hole has been seted up to the position of draw-in groove.

According to the utility model discloses a power supply shaft of embodiment, the wire arrangement hole is seted up to the lateral wall of second cavity.

According to the utility model discloses a power supply shaft of embodiment, first cavity with the second cavity is the column cavity that the diameter increases gradually, just first cavity the second cavity with the coaxial setting of electrode shaft subassembly.

According to the utility model discloses a power supply shaft, the electrically conductive card axle of inner electrode axle with the electrically conductive card axle of outer electrode axle sleeve is all followed the circumference of inner electrode axle is provided with a plurality ofly.

According to the utility model discloses a power supply shaft, the electrically conductive card axle of inner electrode axle with still install insulating pad between the electrically conductive card axle of outer electrode axle sleeve.

According to the utility model discloses a power supply shaft, power supply shaft mount pad is equipped with a plurality ofly in week and is used for connecting rotary part's mounting flange.

The embodiment of the utility model provides a still provide an air conditioner, include as above-mentioned the power supply axle.

The embodiment of the utility model provides a power supply shaft and air conditioner, wherein the power supply shaft is installed in rotary part through the power supply shaft mount pad, and the electrode shaft subassembly and the power supply shaft mount pad can rotate along with rotary part; 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 and the outer electrode shaft sleeve can be respectively connected with an external positive electrode pair and an external negative electrode pair so as to transmit electric energy, and the insulating shaft sleeve is positioned between the inner electrode shaft and the outer electrode shaft sleeve and plays an insulating role. When the cross flow fan is used, the power supply shaft is arranged on the cross flow fan of the air conditioner to rotate along with the cross flow fan, then the power supply shaft is inserted into the electrode mounting seat fixed on the shell of the air conditioner, the first electrode and the second electrode are embedded into the electrode mounting seat and used as a positive electrode pair and a negative electrode pair, the inner electrode shaft sleeve and the outer electrode shaft sleeve of the power supply shaft can respectively keep rotating contact with the first electrode and the second electrode, and then electric energy is transmitted to an additional rotating motor which rotates along with the cross flow fan. The power supply shaft is simple in structure, stable power supply from the fixed end to the rotating end is achieved, the additional rotating motor can output another path of rotating motion to drive the corresponding component to complete additional rotating motion while rotating in a follow-up mode, and the working stability and reliability of the additional motor are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a power supply shaft according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an electrode shaft assembly according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a power supply shaft according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an electric machine according to an embodiment of the present invention;

fig. 5 is a partial cross-sectional view of an electric machine according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an electrical conduction device according to an embodiment of the present invention;

FIG. 7 is a partial cross-sectional view of the conductive assembly of FIG. 6;

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

FIG. 9 is a schematic view of the electrode mount of FIG. 8 from another perspective;

fig. 10 is a cross-sectional view of an electrode mounting base according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a spherical electrode according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a conductive clip according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of an annular conductive sheet according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of an insulating sphere according to an embodiment of the present invention;

FIG. 15 is a schematic view of the insulating sphere of FIG. 14 from another perspective;

fig. 16 is a schematic view illustrating the installation and cooperation of a motor and a cross flow fan 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 disk-shaped electrode; 210. A first connection terminal;

300. a spherical 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.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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 clearly indicating the numbering of the product parts 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. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled 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. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

As shown in fig. 1 to fig. 3, the embodiment of the utility model provides a pair of power supply axle 400, including power supply axle mount pad 410 and the rigid coupling that is used for connecting rotary part in the electrode axle subassembly 420 of power supply axle mount pad 410, electrode axle subassembly 420 includes interior electrode shaft 421, insulating axle sleeve 423 and the outer electrode shaft sleeve 422 of coaxial cup jointing in proper order, and electrode axle subassembly 420 stretches out outside power supply axle mount pad 410, and the extension length of interior electrode shaft 421 is greater than the extension length of outer electrode shaft sleeve 422.

Specifically, the power supply shaft mounting base 410 may be a hollow housing, and the power supply shaft mounting base 410 is mounted to the rotating member to rotate therewith and drive the electrode shaft assembly 420 to rotate together. The lower portion of the electrode shaft assembly 420 is inserted into the power supply shaft mount 410 to be connected with the device to be powered; the upper portion of the electrode shaft assembly 420 extends out of the power supply shaft mounting block 410 to be connected to a conductive device or power supply apparatus. The inner electrode shaft 421, the insulating shaft sleeve 423 and the outer electrode shaft sleeve 422 are sequentially coaxially sleeved and fixedly connected with each other to form a whole. As shown in fig. 2, the inner electrode shaft 421 and the outer electrode shaft sleeve 422 are respectively used for electrically connecting the positive electrode and the negative electrode of a conductive device (or a power supply device), wherein the inner electrode shaft 421 has the longest length, the outer electrode shaft sleeve 422 has the shortest length, 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, the length of the insulating shaft sleeve 423 is less than the length of the inner electrode shaft 421, and may be equal to or slightly greater than the length of the outer electrode shaft sleeve 422, so that a portion of the side wall of the inner electrode shaft 421 is exposed while a good insulating effect between the inner electrode shaft 421 and the outer electrode shaft sleeve 422 is ensured.

In the power supply shaft 400 provided in this embodiment, the power supply shaft mounting base 410 is mounted on the rotating component, and the electrode shaft assembly 420 and the power supply shaft mounting base 410 can rotate together with the rotating component; the electrode shaft assembly 420 comprises an inner electrode shaft 421, an insulating shaft sleeve 423 and an outer electrode shaft sleeve 422 which are coaxially sleeved in sequence, the inner electrode shaft 421 and the outer electrode shaft sleeve 422 can be respectively connected with an external positive electrode pair and an external negative electrode pair to transmit electric energy, and the insulating shaft sleeve 423 is positioned between the inner electrode shaft 421 and the outer electrode shaft sleeve 422 to play an insulating role.

Further, as shown in fig. 2 and 3, 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 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.

Specifically, the first conductive chuck shaft 431 and the second conductive chuck shaft 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. 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 the positive negative pole of treating power supply unit 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. 3, the power supply shaft mounting base 410 includes a first cavity 411 and a second cavity 412 separated by a partition 413, the conductive card shaft is clamped in the first cavity 411, and a wiring hole 414 is formed on the partition 413 at a position corresponding to the clamping groove. The sidewall of the second chamber 412 is formed with a wire management hole 416. Specifically, the first chamber 411 and the second chamber 412 are 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 first conductive clamping shaft 431 and the second conductive clamping shaft 432 lead out wires, and the wires are electrically connected to the equipment to be powered through the wire connection hole 414 and the wire arranging hole 416 in sequence.

Further, as shown in fig. 2 and 3, an insulating spacer 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.

Further, as shown in fig. 1, the power supply shaft mounting base 410 is further provided with a plurality of mounting flanges 415 for connecting the rotating members in the circumferential direction. The mounting flange 415 may be provided with a mounting hole for connecting with the rotating component by a bolt, and the mounting flange 415 may also be clamped or welded with the rotating component, which is not limited herein.

As shown in fig. 4 and 5, the embodiment of the present invention further provides a motor, including the power supply shaft 400 as described above, the power supply shaft mounting base 410 is fixedly connected to the rotating electrical machine 500, the inner electrode shaft 421 and the outer electrode shaft sleeve 422 are electrically connected to the rotating electrical machine 500, and the output shaft 510 of the rotating electrical machine 500 deviates from the extending end of the electrode shaft assembly 420. The electrode mounting seat 100 is used for connecting a fixed part, a first electrode and a second electrode with a through hole are embedded in the electrode mounting seat 100 at intervals, the extending end of the electrode shaft assembly 420 is inserted into the electrode mounting seat 100, the inner electrode shaft 421 can be rotationally and electrically abutted against the first electrode, and the outer electrode shaft sleeve 422 can be rotationally and electrically inserted into the through hole of the second electrode. Specifically, the first electrode may be a disk electrode 200, the second electrode may be an electrode having another shape such as a spherical electrode 300 with a through hole therein, a truncated cone electrode, or a ring electrode, and the first electrode is mainly the disk electrode 200, and the second electrode is the spherical electrode 300 with a through hole therein in this embodiment.

Fig. 16 shows an assembly diagram of the motor and the cross flow fan 700, when in use, the power supply shaft 400 is mounted on the cross flow fan 700 to rotate together with the cross flow fan 700, then the power supply shaft 400 is inserted into the electrode mounting base 100 fixed on the casing of the air conditioner, the electrode mounting base 100 is embedded with a first electrode and a second electrode as a positive and negative electrode pair, the inner electrode shaft 421 and the outer electrode shaft sleeve 422 of the power supply shaft 400 can respectively keep rotating contact with the first electrode and the second electrode, and further transmit electric energy to the rotating motor 500 rotating together with the cross flow fan 700, so that stable power supply from a fixed end to a rotating end is realized, the rotating motor 500 can output another path of rotating motion to drive corresponding components to complete additional rotating motion while rotating along with the rotating, and the stability and reliability of the rotating motor 500 are enhanced.

Further, as shown in fig. 5, a controller 600 is further installed in the power supply shaft mounting seat 410, the first conductive card shaft 431 and the second conductive card shaft 432 are electrically connected to the controller 600 through a wire 610 passing through the wire connection hole 414, and the controller 600 is electrically connected to the rotary electric machine 500 through a wire 610 passing through the wire arrangement hole 416. Specifically, 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 rotating electric machine 500 is also mounted with an angle sensor and/or a rotational speed sensor (neither shown) 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. Likewise, the real-time rotation speed of the rotary electric machine 500 may be detected by the rotation speed sensor, and then the controller 600 controls the rotary electric machine 500 to rotate based on the real-time rotation speed and the set rotation speed.

Further, as shown in fig. 4 and 5, the connection terminal of the first electrode and the connection terminal of the second electrode both extend out of the electrode mounting base 100 from a side away from the power supply shaft mounting base 410 to electrically connect with an external power supply device, so as to facilitate the wiring and installation of the external power supply device.

The embodiment of the utility model provides a still provide an air conditioner, include as above the motor, still include casing (not shown in the figure) and rotate to connect in the cross-flow fan 700 of casing, the electrode mount pad 100 rigid coupling of motor in the casing, the power supply shaft 400 mount pad rigid coupling of motor in cross-flow fan 700.

To better illustrate the use and installation of the power shaft 400 and motor in this embodiment, the conducting means (consisting of the electrode mount 100 and the first and second electrodes) are further described below, wherein the first electrode is exemplified by the disk-shaped electrode 200 and the second electrode is exemplified by the spherical electrode 300.

Fig. 6 and 7 show an electrically conductive device comprising an electrode mount 100, a disk electrode 200 and a ball electrode 300, the ball electrode 300 and the disk electrode 200 being embedded in the electrode mount 100 at a distance. A power supply shaft accommodating cavity is formed in the electrode mounting base 100, one end of the power supply shaft accommodating cavity penetrates through the lower end of the electrode mounting base 100, and the other end of the power supply shaft accommodating cavity penetrates through the cylindrical through hole 321 of the insulating sphere 320 and then penetrates through the disc-shaped electrode 200. The electrode shaft assembly 420 of the power supply shaft 400 may be inserted into the power supply shaft receiving cavity to form a current path. The first connection terminal 210 (i.e., the connection terminal of the disc electrode 200) and the second connection terminal 310 (i.e., the connection terminal of the ball electrode 300) may extend out of the electrode mount 100 to electrically connect with an external power supply.

Specifically, as shown in fig. 8 to 10, the electrode mounting base 100 includes an insulating base body 110, a first accommodating cavity 120 for mounting the disk electrode 200, a second accommodating cavity 130 for mounting the ball electrode 300, and a third accommodating cavity 140 (i.e., a power supply shaft accommodating cavity) for mounting the power supply shaft are provided in the insulating base body 110, and the first accommodating cavity 120 and the second accommodating cavity 130 are spaced apart and communicated with each other through the third accommodating cavity 140. One end of the third accommodating cavity 140 penetrates through to the lower end of the insulating base 110, the first accommodating cavity 120 is disposed at the upper end of the third accommodating cavity 140, and the second accommodating cavity 130 surrounds the periphery of the third accommodating cavity 140. The insulating base 110 further defines a first connection terminal hole 121 communicating with the first accommodating cavity 120 and a second connection terminal hole 131 communicating with the second accommodating cavity 130.

The insulation housing 110 may be installed on a fixed part, such as a cabinet 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 use the top space of the third accommodating cavity 140, and the disk-shaped electrode 200 can be put into the lower opening of the third accommodating cavity 140 and finally clamped on the top of the third accommodating cavity 140 due to the elasticity of the insulating base 110. Similarly, the ball electrode 300 can be inserted into the lower opening of the third accommodating cavity 140 and finally clamped in the second accommodating cavity 130.

The insulation housing 110 may be composed of a plurality of cylinders with sequentially 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. 8 and 9, 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.

Further, as shown in fig. 8 and 9, the outer wall of the second cylinder 112 is provided with a plurality of first ribs 160 protruding outward in the circumferential direction, and the outer wall of the third cylinder 113 is provided with a plurality of second ribs 170 protruding outward in the circumferential direction. 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. 9 and 10, an 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.

Fig. 11 to 15 show a spherical electrode 300, which includes an insulating sphere 320 with a cylindrical through hole 321 therein, and at least one conductive clip 330, wherein the conductive 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 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 spherical electrode 300 for being electrically connected to a power supply shaft in a rotatable manner. The inner side of the inner conductive sheet 331 may also be coated with conductive grease or conductive gel. When the power supply device is used, the outer conductive sheet 332 can be electrically connected to a power supply device, so that electric energy is transmitted to the inner conductive sheet 331 and then to the power supply shaft.

Further, as shown in fig. 11 and 12, the outer conductive strip 332 of the at least one conductive clip 330 is provided with the second connection terminal 310. Specifically, the second connection terminal 310 may be a conductive rod extending upward. Through setting up second binding post 310, can make it wear out to the electrode mount pad outside, the convenient electricity is connected in outside power supply unit.

Further, as shown in fig. 11, 12 and 13, the number of the conductive clips 330 is plural, and the plural conductive clips 330 are spaced apart along the circumference of the insulating sphere 320, and specifically, the plural conductive clips 330 may be spaced apart at equal intervals along the circumference of the insulating sphere 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. 11 and 12, the outer conductive sheet 332 has an arc shape. As shown in fig. 9 and 10, 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 clamping groove in the second accommodating cavity 130 of the electrode mounting base 100, so as to prevent the spherical 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.

As can be seen from the above embodiments, the utility model provides a power supply shaft 400, motor and air conditioner, wherein power supply shaft 400 is installed in rotary part through power supply shaft mount 410, and electrode shaft subassembly 420 and power supply shaft mount 410 can rotate along with rotary part. The electrode shaft assembly 420 comprises an inner electrode shaft 421, an insulating shaft sleeve 423 and an outer electrode shaft sleeve 422 which are coaxially sleeved in sequence, the inner electrode shaft 421 and the outer electrode shaft sleeve 422 can be respectively connected with an external positive electrode pair and an external negative electrode pair to transmit electric energy, and the insulating shaft sleeve 423 is positioned between the inner electrode shaft 421 and the outer electrode shaft sleeve 422 to play an insulating role. When in use, the power supply shaft 400 is arranged on the cross flow fan 700 to rotate along with the cross flow fan, then the power supply shaft 400 is inserted into a conductive device fixed on a shell of the air conditioner, a first electrode and a second electrode are embedded in the conductive device to be used as a positive electrode pair and a negative electrode pair, an inner electrode shaft 421 and an outer electrode shaft sleeve 422 of the power supply shaft 400 can respectively keep rotating contact with the first electrode and the second electrode, and then electric energy is transmitted to the rotating motor 500 which rotates together with the cross flow fan 700. This power supply shaft 400 simple structure has realized by the stable power supply of stiff end to rotatory end for rotating electrical machines 500 can also export another way rotary motion and drive corresponding part and accomplish extra rotation action when the follow-up is rotatory, has strengthened the stability and the reliability of rotating electrical machines 500 work.

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

Claims (10)

1. The utility model provides a power supply shaft, its characterized in that, including power supply shaft mount pad and the rigid coupling that is used for connecting rotary part in the electrode shaft subassembly of power supply shaft mount pad, the electrode shaft subassembly is including coaxial interior electrode shaft, insulating axle sleeve and the outer electrode shaft sleeve that cup joints in proper order, the electrode shaft subassembly stretches out outside the power supply shaft mount pad, just the extension length of interior electrode shaft is greater than the extension length of outer electrode shaft sleeve.

2. The power supply shaft according to claim 1, wherein the length of the inner electrode shaft in the power supply shaft mounting seat is greater than the length of the outer electrode shaft sleeve in the power supply shaft mounting seat, and the inner electrode shaft and the outer electrode shaft sleeve are both clamped in the power supply shaft mounting seat through corresponding conductive clamping shafts.

3. The power supply shaft according to claim 2, wherein a clamping plate corresponding to the conductive clamping shaft is arranged in the power supply shaft mounting seat, and the conductive clamping shaft is clamped in a clamping groove of the clamping plate.

4. The power supply shaft according to claim 3, wherein the power supply shaft mounting seat comprises a first cavity and a second cavity which are partitioned by a partition plate, the conductive clamping shaft is clamped in the first cavity, and a wiring hole is formed in the partition plate corresponding to the clamping groove.

5. The power supply shaft according to claim 4, wherein the side wall of the second chamber is provided with a wire management hole.

6. The powered shaft of claim 4, wherein the first and second chambers are cylindrical chambers of increasing diameter, and the first chamber, the second chamber and the electrode shaft assembly are coaxially disposed.

7. The power supply shaft according to claim 2, wherein the conductive clamping shaft of the inner electrode shaft and the conductive clamping shaft of the outer electrode shaft sleeve are arranged in plurality along the circumferential direction of the inner electrode shaft.

8. The power supply shaft according to any one of claims 2 to 7, wherein an insulating gasket is further mounted between the conductive clamping shaft of the inner electrode shaft and the conductive clamping shaft of the outer electrode shaft sleeve.

9. The power supply shaft according to any one of claims 1 to 7, wherein the power supply shaft mount is provided with a plurality of mounting flanges for connecting the rotating member in a circumferential direction.

10. An air conditioner characterized by comprising the power supply shaft according to any one of claims 1 to 9.

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