CN221978695U - Stator assembly, outer rotor motor and heating ventilation equipment - Google Patents

Abstract

The utility model discloses a stator assembly, an outer rotor motor and heating and ventilation equipment, wherein the stator assembly comprises a bearing seat, an iron core assembly and a power line assembly, the bearing seat is provided with a plurality of wire passing holes, the iron core assembly is arranged on the bearing seat, the power line assembly and the iron core assembly are respectively arranged on two opposite sides of the bearing seat, and an outgoing line structure of the iron core assembly passes through the wire passing holes and is electrically connected with the power line assembly. According to the stator assembly provided by the embodiment of the utility model, the outgoing line of the outer rotor motor of the stator assembly is realized through the power line assembly, so that the stability of the outgoing line is improved, and the assembly efficiency of the outer rotor motor is improved.

Description

Stator assembly, external rotor motor and HVAC equipment

Technical Field

The utility model relates to the technical field of HVAC equipment, in particular to a stator assembly, an outer rotor motor and HVAC equipment.

Background Art

An outer rotor motor is an electric motor in which the rotor is located outside the motor and the stator is located inside the rotor. This design is the opposite of a traditional inner rotor motor, in which the stator is located outside the motor and the rotor is located inside. An outer rotor motor is usually composed of an outer rotor, a stator, windings, magnets and other components. Its working principle is to use the interaction of the magnetic field between the stator and the rotor to generate a rotational force to drive the motor.

In the related art, the stator assembly in the outer rotor motor is fixed by binding wires after the wires are output. This method is complicated and cumbersome to operate, has low fixing strength and poor reliability.

Utility Model Content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

To this end, an object of the utility model is to provide a stator assembly, which realizes the output of the stator assembly through a power line component, improves the reliability of the output, and improves the assembly efficiency of the outer rotor motor.

Another object of the present invention is to provide an outer rotor motor, which includes the aforementioned stator assembly.

Another object of the present invention is to provide a HVAC device, which includes the aforementioned outer rotor motor.

According to the stator assembly in the embodiment of the utility model, the stator assembly includes a bearing seat, a core assembly and a power cord assembly, the bearing seat has a plurality of wire passing holes, the core assembly is installed on the bearing seat, the power cord assembly and the core assembly are arranged on opposite sides of the bearing seat, and the lead wire structure of the core assembly passes through the wire passing holes and is electrically connected to the power cord assembly.

According to the stator assembly in the embodiment of the utility model, the output line of the outer rotor motor of the stator assembly is realized through the power line assembly, the stability of the output line is improved, and the assembly efficiency of the outer rotor motor is improved.

In addition, the stator assembly according to the above embodiment of the utility model may also have the following additional technical features:

Optionally, the stator assembly further includes a cover shell, which covers the bearing seat, and the power cord assembly includes a circuit board, which is disposed in the cover shell, and a wiring harness of the power cord assembly extends from the cover shell.

Optionally, the bearing seat includes a plate portion and a sleeve portion, the plate portion having a first side surface and a second side surface opposite to each other along an axis, the sleeve portion is connected to the plate portion and extends along the axis of the plate portion in a direction away from the first side surface, the first side surface of the plate portion is provided with an annular rib, and the annular rib is assembled with the opening periphery of the cover shell.

Optionally, an annular groove is provided on the inner circumference of the annular rib, and a latching protrusion is provided on the outer circumference of the cover shell, and the latching protrusion is snap-connected to the annular groove.

Optionally, the plurality of wire holes are provided on the plate portion and are located on the inner side of the annular rib;

Optionally, the core assembly is interference fit with the sleeve portion;

Optionally, the first side surface of the plate portion is provided with radial ribs, the peripheral wall of the cover shell has a first notch, and the radial ribs pass through the first notch.

Optionally, the annular rib is not closed to construct a second gap for leading out a wire harness of the power cord assembly.

Optionally, the peripheral wall of the cover shell has a third notch for leading out the wiring harness of the power cord assembly.

Optionally, the annular rib is not closed to construct a second gap, the peripheral wall of the cover shell has a third gap, the cover shell has positioning ribs on opposite sides of the third gap along the circumferential direction, and the positioning ribs pass through the inner side of the second gap.

Optionally, the peripheral wall of the housing has a clearance space, and the power cord assembly further includes a wire harness and a wire outlet nozzle, and the wire outlet nozzle is assembled with the edge of the clearance space.

Optionally, the outlet nozzle includes a first laminated portion and a second laminated portion, the first laminated portion and the second laminated portion are arranged along the radial direction of the housing and are respectively laminated on the inner circumferential surface of the housing and the outer circumferential surface of the housing.

Optionally, the cover shell includes an inner ring, an outer ring and a top plate, the outer ring surrounds the inner ring, the inner periphery of the top plate is connected to the inner ring, the outer periphery is connected to the outer ring, the inner ring is passed through the inner side of the sleeve portion, and the outer ring is assembled with the annular rib.

Optionally, the core assembly has a pin, and the pin passes through the wire hole to be electrically connected to the power cord assembly.

Optionally, the stator assembly further includes a pin fixing plate, at least a portion of which is passed through the wire hole, and the pin is passed through the pin fixing plate and is electrically connected to the power cord assembly.

Optionally, the number of the wire-passing holes is not less than the number of the plug-in pins, and the plug-in pins include a plurality of plug-in pins, and the plurality of plug-in pins are respectively inserted into the plurality of wire-passing holes.

Optionally, the core assembly includes pins, an upper insulating frame, a stator winding, a stator core and a lower insulating frame, the upper insulating frame and the lower insulating frame are respectively arranged at two ends of the stator core, the stator winding is wound on the stator core, and the pins are fixed on the upper insulating frame.

Optionally, the power cord assembly is fixed to the bearing seat via a fixing member.

According to the outer rotor motor in the embodiment of the utility model, the outer rotor motor includes an outer rotor assembly and the above-mentioned stator assembly, and the stator assembly is rotatably connected to the outer rotor assembly.

According to the outer rotor motor in the embodiment of the utility model, by applying the aforementioned stator assembly, the line output method of the stator assembly is firm and reliable, which can improve the working stability of the outer rotor motor, and is simple and fast, which can improve the assembly efficiency of the outer rotor motor.

According to the HVAC equipment in the embodiment of the utility model, the HVAC equipment includes the outer rotor motor mentioned above.

According to the HVAC equipment in the embodiment of the utility model, the working stability of the HVAC equipment can be improved by applying the aforementioned outer rotor motor.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a stator assembly in some embodiments of the present invention.

FIG. 2 is a cross-sectional view of a stator assembly in some embodiments of the present invention.

FIG. 3 is an exploded view of a stator assembly in some embodiments of the present invention.

FIG. 4 is a schematic diagram of a cover shell in some embodiments of the present invention.

FIG. 5 is a schematic diagram of a power cord assembly in some embodiments of the present invention.

FIG. 6 is a schematic diagram of a wire outlet nozzle in some embodiments of the present invention.

FIG. 7 is an axonometric view of the bearing seat in some embodiments of the present invention.

FIG8 is a cross-sectional view of a bearing seat in some embodiments of the present invention.

FIG. 9 is a front view of the bearing seat in some embodiments of the utility model

Reference numerals:

Outer rotor motor 1000, stator assembly 100, bearing seat 10, wire hole 11, plate portion 12, mounting port 121, sleeve portion 13, annular rib 14, annular groove 141, second notch 142, radial rib 15, core assembly 20, pin 21, upper insulating frame 22, stator winding 23, stator core 24, lower insulating frame 25, power cord assembly 30, circuit board 31, wiring harness 32, outlet nozzle 33, first laminated portion 331, second laminated portion 332, lead channel 333, cover 40, inner ring 41, outer ring 42, top plate 43, opening 44, cam 45, first notch 46, third notch 47, positioning rib 48, pin fixing plate 50, outer rotor assembly 200, axial direction A-A.

DETAILED DESCRIPTION

The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

The utility model proposes a stator assembly 100, an outer rotor motor 1000 and HVAC equipment, wherein the stator assembly 100 realizes the output of the stator assembly 100 through a power line component 30, improves the reliability of the output, and improves the assembly efficiency of the outer rotor motor 1000.

1 to 9 , according to the stator assembly 100 in the embodiment of the present invention, the stator assembly 100 includes a bearing seat 10 , a core assembly 20 and a power line assembly 30 .

Among them, the bearing seat 10 has a plurality of wire holes 11, the core assembly 20 is installed on the bearing seat 10, the power cord assembly 30 and the core assembly 20 are arranged on opposite sides of the bearing seat 10, and the lead-out wire structure of the core assembly 20 passes through the wire holes 11 and is electrically connected to the power cord assembly 30; such an arrangement can realize the output of the stator assembly 100, improve the stability of the output, and improve the assembly efficiency of the outer rotor motor 1000.

Specifically, according to relevant technologies, in the outer rotor motor 1000, the stator assembly 100 leads out the wires through the hole on the bearing seat 10 at its end. After the wire harness 32 leads out, it needs to be electrically connected to the electric control box to facilitate the electric control box to adjust and control the outer rotor motor 1000. After the wire harness 32 leads out, it needs to be fixed on the outer rotor motor 1000 by binding wires to ensure the stable connection between the outer rotor motor 1000 and the electric control box. However, the aforementioned binding wire method is cumbersome to operate and has poor connection stability. Therefore, in an embodiment of the utility model, a power cord assembly 30 is provided on the bearing seat 10, and the power cord assembly 30 is used to lead out the wires stably, thereby improving the wire leading efficiency of the stator assembly 100 and improving the connection stability of the wire harness 32.

More specifically, the power cord assembly 30 and the core assembly 20 are respectively arranged on opposite sides of the bearing seat 10, and a plurality of wire holes 11 are provided on the bearing seat 10. The lead wire structure of the core assembly 20 can pass through the wire hole 11 from one side of the bearing seat 10 and pass through the wire hole 11 from the other side of the bearing seat 10 to be electrically connected to the power cord assembly 30 arranged on the other side of the bearing seat 10, and the power cord assembly 30 can be used to be electrically connected to the electric control box, so that the electrical connection between the stator assembly 100 and the electric control box can be achieved, and the power cord assembly 30 is arranged on the bearing seat 10, has a high connection strength, and can improve the connection stability of the wiring harness 32; in addition, during assembly, the power cord assembly 30 is connected to the lead wire structure of the core assembly 20 and the electric control box, that is, the stator assembly 100 is connected through the power cord assembly 30, which is more efficient than fixing the wiring harness 32 by binding wires, thereby improving the production rhythm of the outer rotor motor 1000 during the production process.

Therefore, according to the stator assembly 100 in the embodiment of the utility model, the output line of the stator assembly 100 is realized through the power line assembly 30, the stability of the output line is improved, and the assembly efficiency of the outer rotor motor 1000 is improved.

1 to 4 , in some embodiments of the present invention, the stator assembly 100 further includes a cover shell 40, which covers the bearing seat 10, and the power cord assembly 30 includes a circuit board 31, which is disposed in the cover shell 40, and a wiring harness 32 of the power cord assembly 30 extends from the cover shell 40; in this way, the line output stability of the stator assembly 100 can be improved, and the assembly efficiency of the outer rotor motor 1000 can be improved.

In detail, the power cord assembly 30 includes a circuit board 31, and the circuit board 31 is provided with wiring terminals or welding points, so that the lead wire structure of the core assembly 20 can pass through the wire hole 11 and be quickly plugged into the wiring terminals on the circuit board 31, or be quickly welded at the welding points to achieve the electrical connection between the core assembly 20 and the circuit board 31, and then the wiring harness 32 of the power cord assembly 30 can be connected to the electrical control box to complete the electrical connection between the stator assembly 100 and the electrical control box; in short, the output wire of the stator assembly 100 can be fixed by the power cord assembly 30, and the assembly efficiency of the outer rotor motor 1000 can be improved by the switching function of the power cord assembly 30.

In addition, a cover shell 40 is provided on the bearing seat 10, and the cover shell 40 can cover the circuit board 31 to protect the circuit board 31, prevent the circuit board 31 from being damaged by external impact, improve the connection strength between the electric control box and the stator assembly 100, and prevent external dust and other pollutants from corroding the circuit board 31; and in some specific examples, the box body of the electric control box is covered on the outside of the cover shell 40 to install the electric control box on the outer rotor motor 1000. The cover shell 40 can be made of insulating materials such as plastic. The circuit board 31 can be separated from the electronic components in the electric control box by a predetermined safety distance through the cover shell 40 to provide insulation protection for the circuit board 31.

Referring to Figures 1 to 3 and Figures 7 to 9, in some embodiments of the present utility model, the bearing seat 10 includes a plate portion 12 and a sleeve portion 13, the plate portion 12 has a first side surface and a second side surface opposite to each other along the axis, the sleeve portion 13 is connected to the plate portion 12 and extends along the axis of the plate portion 12 in a direction away from the first side surface, the first side surface of the plate portion 12 is provided with an annular rib 14, and the annular rib 14 is assembled with the periphery of the opening 44 of the cover shell 40; in this way, the installation strength of the cover shell 40 on the bearing seat 10 can be improved.

Specifically, the bearing seat 10 is a part of the stator assembly 100, and is used to install the bearing so that the outer rotor assembly 200 can rotate relative to the stator assembly 100. The outer rotor assembly 200 has a rotation axis, which is the axis of the plate portion 12 of the bearing seat 10. During assembly, the sleeve portion 13 is arranged on the second side of the plate portion 12, the core assembly 20 is arranged on the second side of the plate portion 12 and sleeved on the sleeve portion 13, the first side of the plate portion 12 is provided with an annular rib 14, the cover 40 has an opening 44, the annular rib 14 is assembled with the periphery of the opening 44 of the cover 40, and the circuit board 31 on the first side is covered in the cover 40, so that the installation strength of the cover 40 on the bearing seat 10 can be improved, and the lead wire structure of the core assembly 20 passes through the wire hole 11 from the second side and passes out from the first side to connect to the circuit board 31 on the first side. In addition, it should be understood that the annular rib 14 extends around the axis of the plate portion 12. (The extending direction of the axis can refer to the axis direction A-A in Figures 1 to 3)

More specifically, referring to Figures 1 to 4 and Figures 7 to 9, in some embodiments of the utility model, the inner circumferential surface of the annular rib 14 is provided with an annular groove 141, and the outer circumferential surface of the cover shell 40 is provided with a snap-on protrusion 45, which is snap-connected to the annular groove 141 to improve the installation strength of the cover shell 40 on the bearing seat 10.

Among them, the inner circumference of the annular rib 14 is adapted to the outer circumference structure of the cover shell 40 to limit the cover shell 40, and when the structures of the annular rib 14 and the cover shell 40 are matched, the annular groove 141 on the inner circumference of the annular rib 14 can be snap-connected with the protrusion 45 on the outer circumference of the cover shell 40 to further improve the installation strength of the cover shell 40 on the bearing seat 10.

In addition, since the annular groove 141 is arranged on the inner circumferential surface of the annular rib 14, in other words, the annular groove 141 extends in the same direction as the annular rib 14. In this way, when the cover shell 40 is assembled, the cover shell 40 is rotated at any angle relative to the annular rib 14, and the latching protrusion 45 on the outer circumferential surface of the cover shell 40 can still be matched with the annular groove 141 on the inner circumferential surface of the annular rib 14, thereby facilitating the assembly of the external rotor motor 1000.

1 to 4 and 7 to 9, in some embodiments of the utility model, a plurality of wire holes 11 are provided on the plate portion 12 and are located on the inner side of the annular rib 14; with such a configuration, the plurality of wire holes 11 can be covered by the cover shell 40, thereby improving the sealing performance of the stator assembly 100, thereby preventing pollutants from the external environment from entering the interior of the stator assembly 100, and also preventing the lubricating oil in the stator assembly 100 from volatilizing.

1 and 2 , in some embodiments of the present invention, the core assembly 20 is interference fit with the sleeve portion 13 to improve the connection strength between the core assembly 20 and the bearing seat 10 , so as to improve the working reliability of the outer rotor motor 1000 .

1 to 4 and 7 to 9, in some embodiments of the utility model, the first side surface of the plate portion 12 is provided with radial ribs 15, the peripheral wall of the cover shell 40 has a first notch 46, and the radial ribs 15 are passed through the first notch 46; specifically, the radial ribs 15 extend vertically along the axis of the plate portion 12, and during assembly, the cover shell 40 can be set on the bearing seat 10, wherein the radial ribs 15 of the plate portion 12 can be embedded in the first notch 46 of the peripheral wall of the cover shell 40 to limit the cover shell 40 in the axial direction around the plate portion 12 (i.e., the circumferential direction of the plate portion 12), thereby improving the installation strength of the cover shell 40 on the bearing seat 10, so as to further improve the output stability of the stator assembly 100.

In addition, the plate portion 12 has a plurality of wire passing holes 11, and the radial ribs 15 may include a plurality of them. A radial rib 15 may be provided between two adjacent wire passing holes 11. In other words, the radial ribs 15 are used to separate two adjacent wire passing holes 11 to avoid excessive concentration of the wire passing holes 11 and weakening the structural strength of the plate portion 12, thereby improving the reliability of the stator assembly 100.

7 to 9 , in some embodiments of the present invention, the annular rib 14 is not closed to form a second notch 142 , and the second notch 142 can be used to lead out the wiring harness 32 of the power cord assembly 30 , so as to facilitate electrical connection between the power cord assembly 30 and the electric control box.

1 to 4 , in some embodiments of the present invention, the peripheral wall of the cover 40 has a third notch 47 , and the third notch 47 is used to lead out the wiring harness 32 of the power cord assembly 30 , so as to facilitate the electrical connection between the power cord assembly 30 and the electric control box.

1 to 4 and 7 to 9, in some embodiments of the utility model, the annular rib 14 is not closed to construct the second notch 142, the peripheral wall of the cover shell 40 has a third notch 47, and the cover shell 40 has positioning ribs 48 on opposite sides of the third notch 47 along the circumferential direction, and the positioning ribs 48 are passed through the inner side of the second notch 142; in this way, through the cooperation between the positioning ribs 48 and the second notch 142, the circumferential positioning of the cover shell 40 on the bearing seat 10 can be achieved, so as to improve the installation strength of the cover shell 40 on the bearing seat 10, thereby improving the output stability of the stator assembly 100.

In this embodiment, the circumferential direction can be understood as the direction around the axis of the plate portion 12 .

In detail, the positioning rib 48 can extend vertically along the axis of the plate portion 12. During assembly, the cover shell 40 can be set on the bearing seat 10, wherein the positioning rib 48 on the cover shell 40 can be passed through the inner side of the second notch 142. In other words, the positioning rib 48 on one side of the third notch 47 can abut against the inner side of one side of the second notch 142, and the positioning rib 48 on the other side of the third notch 47 can abut against the inner side of the other side of the second notch 142. In this way, the second notch 142 can cooperate with the positioning rib 48 to achieve circumferential limitation of the cover shell 40, so that the second notch 142 can correspond to the third notch 47, forming a yield structure that is convenient for leading out the wiring harness 32 of the power cord assembly 30.

1 to 4 and 7 to 9, in some embodiments of the utility model, the peripheral wall of the cover 40 has a clearance space, and the power cord assembly 30 also includes a wiring harness 32 and a wire outlet nozzle 33, and the wire outlet nozzle 33 is assembled with the edge of the clearance space; in this way, the wire outlet stability of the stator assembly 100 can be improved, and the sealing performance of the stator assembly 100 can be improved, and the working stability of the outer rotor motor 1000 can be improved.

In detail, in combination with the above-mentioned embodiment, the outer circumferential surface of the housing 40 is provided with a third notch 47, and the third notch 47 can form the clearance space. During assembly, the outlet nozzle 33 can be assembled on the edge of the third notch 47 by means of embedding, clamping, bonding, etc., and the outlet nozzle 33 can have an outlet channel 333 that runs through the opposite sides. The wire harness 32 of the power cord assembly 30 can be inserted into the outlet channel 333 of the outlet nozzle 33, and the wire harness 32 is fixed in the third notch 47 of the housing 40 by the outlet nozzle 33, so as to improve the outlet stability of the stator assembly 100. The outlet nozzle 33 can close the third notch 47, and can provide a space with good sealing performance for the interior of the housing 40, so as to prevent the interior of the stator assembly 100 from being affected by the external environment, so as to improve the working stability of the outer rotor motor 1000.

2, 3, 5 and 6, in some embodiments of the present invention, the wire outlet nozzle 33 includes a first stacking portion 331 and a second stacking portion 332, and the first stacking portion 331 and the second stacking portion 332 are arranged along the radial direction of the cover shell 40, and are respectively stacked on the inner circumferential surface of the cover shell 40 and the outer circumferential surface of the cover shell 40; in this way, the connection strength between the wire outlet nozzle 33 and the cover shell 40 can be improved, thereby improving the lead-out stability of the wire harness 32 of the power cord assembly 30.

In detail, when the wire outlet nozzle 33 is assembled with the edge of the clearance space, the first stacking portion 331 of the wire outlet nozzle 33 can be stacked on the inner circumference of the cover shell 40, and the second stacking portion 332 can be stacked on the outer circumference of the cover shell 40 to increase the connection area between the wire outlet nozzle 33 and the cover shell 40, thereby increasing the connection strength between the wire outlet nozzle 33 and the cover shell 40, and the first stacking portion 331 and the second stacking portion 332 are arranged along the radial direction of the cover shell 40, so that the wire outlet nozzle 33 is limited in the radial direction of the cover shell 40, thereby improving the stability of the lead-out of the wire harness 32 of the power cord assembly 30.

In addition, the wire outlet channel 333 of the wire outlet nozzle 33 can penetrate the first stacking portion 331 and the second stacking portion 332 respectively to realize the outlet of the power cord assembly 30 .

4 , in some embodiments of the present invention, the cover 40 includes an inner ring 41, an outer ring 42 and a top plate 43. The outer ring 42 surrounds the inner ring 41. The inner periphery of the top plate 43 is connected to the inner ring 41, and the outer periphery is connected to the outer ring 42. The inner ring 41 is passed through the inner side of the sleeve portion 13, and the outer ring 42 is assembled with the annular rib 14. In this way, the sealing performance of the stator assembly 100 can be further improved, and the working reliability of the outer rotor motor 1000 can be improved.

Specifically, the outer ring 42 of the cover shell 40 can be understood as the outer peripheral wall portion of the cover shell 40; the inner ring 41 of the cover shell 40 can be understood as the inner peripheral wall portion of the cover shell 40, and the outer ring 42 is located on the outside of the inner ring 41. In combination with the aforementioned embodiment, the cam 45, the first notch 46 and the third notch 47 are all arranged on the outer ring 42 of the cover shell 40; that is, the first notch 46 and the third notch 47 can be opened on the outer peripheral wall of the cover shell 40, and the first notch 46 runs through the opposite sides of the outer peripheral wall of the cover shell 40, so that the radial rib 15 is conveniently arranged in the first notch 46 to realize the circumferential limitation of the cover shell 40; the third notch 47 runs through the cover shell 40 The opposite sides of the outer circumferential wall are used to connect the internal space and the external space of the cover shell 40, so as to facilitate the power cord assembly 30 to be led out from the cover shell 40 through the third notch 47; and a latching protrusion 45 may be provided on the outer circumferential edge of the outer circumferential wall of the cover shell 40. When the cover shell 40 is assembled with the annular rib 14, the outer circumferential edge of the cover shell 40 is adapted to the inner circumferential edge of the annular rib 14, wherein the latching protrusion 45 on the outer ring of the cover shell 40 can be engaged with the annular groove 141 of the annular rib 14 to realize the assembly connection between the cover shell 40 and the annular rib 14; in short, the assembly of the cover shell 40 on the bearing seat 10 is realized by assembling and cooperating the outer ring 42 of the cover shell 40 with the annular rib 14.

In addition, the bearing seat 10 also has an installation opening 121, which is opposite to the sleeve portion 13 along the axial direction of the plate portion 12. The bearing can be installed in the sleeve portion 13 through the installation opening 121, and the rotating shaft of the outer rotor assembly 200 can extend into the sleeve portion 13 and be set on the bearing seat 10 to facilitate the operation of the outer rotor motor 1000; when the cover shell 40 is assembled on the bearing seat 10, the inner ring 41 of the cover shell 40 can be embedded in the installation opening 121 to seal the interior of the sleeve portion 13, thereby improving the sealing performance of the stator assembly 100 and preventing dust and other pollutants from entering the interior of the sleeve portion 13 and contaminating the bearing.

3 , in some embodiments of the present invention, the core assembly 20 has a plug pin 21 , and the plug pin 21 passes through the wire hole 11 and is electrically connected to the power cord assembly 30 ; thus, the stator assembly 100 can be easily connected to the wires, thereby improving the assembly efficiency of the stator assembly 100 .

Specifically, the pin 21 is a hard structure. During assembly, the assembler can easily pass the pin 21 of the core assembly 20 through the wire hole 11 to connect with the circuit board 31 of the power cord assembly 30. The pin 21 can be electrically connected to the circuit board 31 by welding, and of course, it can also be electrically connected by plugging and other connection methods. Compared with passing the wire hole 11 through the flexible wiring harness 32, the use of the pin 21 can improve the assembly efficiency of the stator assembly 100.

Referring to Figure 3, in some embodiments of the present invention, the stator assembly 100 also includes a pin fixing plate 50, at least a portion of the pin fixing plate 50 is passed through the wire hole 11, and the pin 21 is passed through the pin fixing plate 50 and is electrically connected to the power cord assembly 30 to improve the structural stability of the outer rotor motor 1000.

Specifically, the pin fixing plate 50 can be set on the second side surface of the bearing seat 10 and sleeved on the outer side of the sleeve portion 13. Then, the core assembly 20 can be sleeved on the outer side of the sleeve portion 13, and the pins 21 of the core assembly 20 can be inserted into the pin fixing plate 50. At least a portion of the pin fixing plate 50 is inserted into the wire hole 11. In other words, the pins 21 of the core assembly 20 can be inserted into the wire hole 11 via the pin fixing plate 50 to achieve electrical connection with the circuit board 31 of the power cord assembly 30. The pin fixing plate 50 can be used to position the pins 21 and protect the pins 21 to stabilize the electrical connection between the core assembly 20 and the circuit board 31, thereby improving the structural stability of the outer rotor motor 1000.

3 , in some embodiments of the present invention, the number of the wire holes 11 is not less than the number of the pins 21, and the pins 21 include a plurality of wire holes 11, and the plurality of pins 21 are respectively inserted into the plurality of wire holes 11; in this way, the position of the power cord assembly 30 on the bearing seat 10 can be adjusted according to actual assembly requirements so that the power cord assembly 30 corresponds to the electronic components in the electric control box, which facilitates the electrical connection between the stator assembly 100 and the electric control box through the power cord assembly 30 after the bearing seat 10 is connected, thereby improving the flexibility of assembly.

Referring to Figure 3, in some embodiments of the utility model, the core assembly 20 may include a pin 21, an upper insulating frame 22, a stator winding 23, a stator core 24 and a lower insulating frame 25, the upper insulating frame 22 and the lower insulating frame 25 are respectively arranged at both ends of the stator core 24, the stator winding 23 is wound on the stator core 24, and the pin 21 is fixed on the upper insulating frame 22; in this way, the normal operation of the outer rotor motor 1000 can be achieved.

In detail, the stator winding 23 is wound on the stator core 24 to form a magnetic field. The upper insulating frame 22 and the lower insulating frame 25 are respectively arranged at the two ends of the stator core 24. After the outer rotor motor 1000 is assembled, the upper insulating frame 22 and the lower insulating frame 25 can separate the stator core 24 from the surrounding structural parts to provide insulation protection for the stator core 24. The upper insulating frame 22 and the lower insulating frame 25 can support and fix the stator core 24 to improve the working stability of the outer rotor motor 1000. The upper insulating frame 22 is located at the end of the stator core 24, and the pin 21 can be fixed on the upper insulating frame 22 to facilitate the electrical connection between the core assembly 20 and the circuit board 31.

And in some specific examples, the lower end of the pin fixing plate 50 (i.e., the end close to the core assembly 20) is provided with a plurality of undercuts, and the corresponding core assembly 20 forms a whole after winding the winding, and the inner circle 41 of the upper insulating frame 22 in the core assembly 20 is provided with a plurality of notches corresponding to the undercuts, the width dimension of the undercuts is consistent with the width dimension of the notches, and the end faces of the undercuts abut against the end faces of the notches, and there are a plurality of bosses on the top of the pin fixing plate 50, and the bosses are provided with through holes, and the pins 21 pass through the pin fixing plate 50 through the through holes, and the plurality of bosses correspond to the plurality of wire holes 11 one by one, and the plurality of bosses can be passed through the wire holes 11. In other words, the pin fixing plate 50 and the core assembly 20 are fixed by the cooperation of the undercuts and the notches, and are fastened to the pins 21 through the through holes, so that the pins 21 can be electrically connected to the circuit board 31 through the pin fixing plate 50. During assembly: the upper and lower insulating frames 25 are fixed to the upper and lower end surfaces of the stator core 24 through the hole columns, and then the coil is wound. After the winding is completed, the pins 21 are inserted and fixed to the upper insulating frame 22, and then the pin fixing plate 50 is moved from top to bottom so that the through holes of the pin fixing plate 50 cooperate with the pins 21 to achieve the installation of the pin fixing plate 50.

2 and 3, in some embodiments of the utility model, the power cord assembly 30 is fixed to the bearing seat 10 by a fixing member; specifically, a first threaded hole is provided on the bearing seat 10, and a corresponding second threaded hole is also provided on the circuit board 31 in the power cord assembly 30, and the fasteners can be respectively penetrated into the first threaded hole and the second threaded hole to realize threaded cooperation, so that the circuit board 31 is installed on the first side surface of the bearing seat 10, thereby improving the installation strength of the circuit board 31 on the bearing seat 10, and compared with the aforementioned method of fixing the output line of the stator assembly 100 by binding wires, the power cord assembly 30 is rigidly connected to the bearing seat 10 through the circuit board 31, which can greatly improve the output line stability of the stator assembly 100 and improve the working stability of the outer rotor motor 1000.

In combination with the aforementioned embodiment, the plate portion 12 has an installation opening 121, and the periphery of the installation opening 121 may be provided with an annular reinforcement rib, that is, the reinforcement rib extends along the circumference of the installation opening 121, and a plurality of bosses may be provided on the reinforcement rib, and at least one of the plurality of bosses has a first threaded hole; optionally, the first threaded hole includes a plurality of first threaded holes, and the plurality of first threaded holes are arranged along the circumference of the installation opening 121; and a plurality of wire holes 11 are arranged around the installation opening 121, and in the radial direction of the installation opening 121, the plurality of wire holes 11 are staggered with the bosses to form an avoidance, so as to facilitate the installation of the circuit board 31 on the plate portion 12, and facilitate the electrical connection between the pins 21 of the core assembly 20 and the circuit board 31.

1 to 9 , an outer rotor motor 1000 according to an embodiment of the present invention includes an outer rotor assembly 200 and the stator assembly 100 in the above embodiment.

Among them, the stator assembly 100 is rotatably connected to the outer rotor assembly 200. By applying the aforementioned stator assembly 100, the line output method of the stator assembly 100 is firm and reliable, which can improve the working stability of the outer rotor motor 1000. It is simple and fast, which can improve the assembly efficiency of the outer rotor motor 1000.

Specifically, the core assembly 20 has a pin 21, and the bearing seat 10 is provided with a wire hole 11. The pin 21 of the core assembly 20 can pass through the wire hole 11 from one side of the bearing seat 10 and extend from the other side of the bearing seat 10 to be electrically connected to the power cord assembly 30, and then the power cord assembly 30 is electrically connected to the electrical control box. In other words, the stator assembly 100 can be electrically connected to the electrical control box through the conversion of the power cord assembly 30, wherein the electrical connection between the power cord assembly 30 and the pin 21 can be achieved by welding, thereby improving the wire output stability of the stator assembly 100 and the wire output efficiency is higher.

Furthermore, the bearing seat 10 includes a plate portion 12 and a sleeve portion 13, and the cover shell 40 can cooperate with the annular rib 14 on the plate portion 12, wherein the outer circumferential surface of the cover shell 40 is structurally adapted to the inner circumferential surface of the annular rib 14, and the cover shell 40 can be limited by the annular rib 14; and the outer circumferential surface of the cover shell 40 is provided with a clamping protrusion 45, and the inner circumferential surface of the annular rib 14 is provided with an annular groove 141, and the clamping protrusion 45 is snap-connected with the annular groove 141 to realize the assembly of the cover shell 40 on the bearing seat 10; and the peripheral wall of the cover shell 40 has There is a first notch 46, and the first notch 46 can cooperate with the radial ribs 15 on the plate portion 12 to achieve circumferential limitation of the cover shell 40, so as to improve the installation strength of the cover shell 40 on the bearing seat 10; in addition, the annular rib 14 has a second notch 142, and the peripheral wall of the cover shell 40 has a third notch 47. The second notch 142 can be opposite to the third notch 47 to form a space for leading out the wiring harness 32 of the power cord assembly 30, so as to facilitate the electrical connection between the power cord assembly 30 and the electronic components in the electric control box.

In addition, the cover shell 40 includes an inner ring 41, an outer ring 42 and a top plate 43. The aforementioned latch 45, the first notch 46 and the third notch 47 are all arranged on the outer ring 42 of the cover shell 40. The plate portion 12 has an installation opening 121, and the installation opening 121 corresponds to the sleeve portion 13. When the cover shell 40 is installed on the bearing seat 10, the inner ring 41 of the cover shell 40 can be embedded in the installation opening 121 to close the installation opening 121, thereby preventing dust from entering the sleeve portion 13 from the installation opening 121, thereby improving the sealing performance of the stator assembly 100.

Furthermore, the power cord assembly 30 includes a wire outlet nozzle 33, and the wire outlet nozzle 33 has a wire outlet channel 333, which is used for the wire harness 32 to pass through the wire outlet channel 333, and the wire outlet nozzle 33 can cooperate with the edge of the third notch 47 to be fixed on the cover 40, thereby fixing the wire harness 32 leading out of the cover 40. The wire outlet nozzle 33 includes a first laminated portion 331 and a second laminated portion 332, and the first laminated portion 331 and the second laminated portion 332 are respectively laminated on the inner circumference of the cover 40 and the outer circumference of the cover 40, so as to improve the connection strength between the wire outlet nozzle 33 and the cover 40, thereby improving the stability of the wire outlet of the power cord assembly 30.

Furthermore, the stator assembly 100 also includes a pin fixing plate 50, which can be arranged on the second side surface of the plate portion 12, and at least a portion of the pin fixing plate 50 is passed through the wire hole 11 and is sleeved on the outside of the sleeve portion 13, and the pin fixing plate 50 can be arranged at the end of the core assembly 20 to position the pin 21 of the core assembly 20, thereby improving the electrical connection strength between the power cord assembly 30 and the circuit board 31, and improving the working reliability of the outer rotor motor 1000.

According to the HVAC equipment in the embodiment of the utility model, the HVAC equipment includes the outer rotor motor 1000 in the above embodiment, which can improve the working stability of the HVAC equipment.

Optionally, the HVAC equipment may be an air conditioner, in which a fan assembly may be provided, the outer rotor motor 1000 is connected to the fan assembly, and the operation of the outer rotor motor 1000 is controlled by the electric control box, thereby controlling the operation of the fan assembly. The outer rotor motor 1000 realizes the output of the stator assembly 100 by means of the power line assembly 30, so that the working stability of the outer rotor motor 1000 is improved, thereby improving the working reliability of the HVAC equipment.

In the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims (13)

1. A stator assembly, characterized by comprising: A bearing seat (10), wherein the bearing seat (10) has a plurality of wire holes (11); An iron core assembly (20), wherein the iron core assembly (20) is mounted on the bearing seat (10), A power cord assembly (30), wherein the power cord assembly (30) and the iron core assembly (20) are arranged on opposite sides of the bearing seat (10), and the lead wire structure of the iron core assembly (20) passes through the wire hole (11) to be electrically connected to the power cord assembly (30). 2. The stator assembly according to claim 1 is characterized in that the stator assembly also includes a cover shell (40), the cover shell (40) covers the bearing seat (10), the power cord assembly (30) includes a circuit board (31), the circuit board (31) is arranged in the cover shell (40), and the wiring harness (32) of the power cord assembly (30) extends from the cover shell (40). 3. The stator assembly according to claim 2 is characterized in that the bearing seat (10) includes a plate portion (12) and a sleeve portion (13), the plate portion (12) having a first side surface and a second side surface opposite to each other along an axis, the sleeve portion (13) connecting the plate portion (12) and extending along the axis of the plate portion (12) in a direction away from the first side surface, the first side surface of the plate portion (12) is provided with an annular rib (14), and the annular rib (14) is assembled with the periphery of the opening (44) of the cover shell (40). 4. The stator assembly according to claim 3, characterized in that an annular groove (141) is provided on the inner circumference of the annular rib (14), and a clamping protrusion (45) is provided on the outer circumference of the cover shell (40), and the clamping protrusion (45) is snap-connected to the annular groove (141); And/or, the plurality of wire holes (11) are provided on the plate portion (12) and are located on the inner side of the annular rib (14); And/or, the core assembly (20) and the sleeve portion (13) are interference fit; And/or, the first side surface of the plate portion (12) is provided with radial ribs (15), the peripheral wall of the cover shell (40) has a first notch (46), and the radial ribs (15) are passed through the first notch (46). 5. The stator assembly according to claim 3, characterized in that the annular rib (14) is not closed to form a second notch (142) for leading out a wire harness (32) of the power cord assembly (30); Alternatively, the peripheral wall of the housing (40) has a third notch (47) for leading out the wire harness (32) of the power cord assembly (30); Alternatively, the annular rib (14) is not closed to form a second notch (142), the peripheral wall of the cover shell (40) has a third notch (47), and the cover shell (40) has positioning ribs (48) on opposite sides of the third notch (47) along the circumferential direction, and the positioning ribs (48) are arranged on the inner side of the second notch (142). 6. The stator assembly according to claim 2 is characterized in that the peripheral wall of the cover shell (40) has a clearance space, and the power cord assembly (30) further includes a wire harness (32) and a wire outlet nozzle (33), and the wire outlet nozzle (33) is assembled with the edge of the clearance space. 7. The stator assembly according to claim 6 is characterized in that the outlet nozzle (33) includes a first stacked portion (331) and a second stacked portion (332), and the first stacked portion (331) and the second stacked portion (332) are arranged along the radial direction of the cover shell (40) and are respectively stacked on the inner circumferential surface of the cover shell (40) and the outer circumferential surface of the cover shell (40). 8. The stator assembly according to claim 3 is characterized in that the cover shell (40) includes an inner ring (41), an outer ring (42) and a top plate (43), the outer ring (42) surrounds the inner ring (41), the inner periphery of the top plate (43) is connected to the inner ring (41), and the outer periphery is connected to the outer ring (42), the inner ring (41) is passed through the inner side of the sleeve portion (13), and the outer ring (42) is assembled with the annular rib (14). 9. The stator assembly according to claim 1, characterized in that the core assembly (20) has a plug pin (21), and the plug pin (21) passes through the wire hole (11) to be electrically connected to the power cord assembly (30). 10. The stator assembly according to claim 9, characterized in that the stator assembly further comprises a pin fixing plate (50), at least a portion of the pin fixing plate (50) is passed through the wire hole (11), and the pin (21) is passed through the pin fixing plate (50) and is electrically connected to the power cord assembly (30); And/or, the number of the wire-passing holes (11) is not less than the number of the plug pins (21), the plug pins (21) include a plurality, and the plurality of plug pins (21) are respectively inserted into the plurality of wire-passing holes (11). 11. The stator assembly according to claim 1, characterized in that the core assembly (20) comprises a pin (21), an upper insulating frame (22), a stator winding (23), a stator core (24) and a lower insulating frame (25), the upper insulating frame (22) and the lower insulating frame (25) are respectively arranged at two ends of the stator core (24), the stator winding (23) is wound on the stator core (24), and the pin (21) is fixed on the upper insulating frame (22); And/or, the power cord assembly (30) is fixed to the bearing seat (10) via a fixing member. 12. An outer rotor motor, comprising: Outer rotor assembly (200); According to the stator assembly according to any one of claims 1 to 11, the stator assembly is rotatably connected to the outer rotor assembly (200). 13. A HVAC equipment, characterized by comprising the outer rotor motor according to claim 12.