Electric motor and air conditioner having same

Abstract

An electric motor and an air conditioner having same. The electric motor (100) comprises: an plastic-overmolded housing (1), which comprises a body (11), a mating portion (12) and a lead-out wire portion (13), wherein the mating portion (12) and the lead-out wire portion (13) are arranged on the same end face of the body (11) in the axial direction, the mating portion (12) is arranged on the radial inner side of the body (11), and the lead-out wire portion (13) is located on the radial outer side of the mating portion (12); a stator assembly (4), which is arranged inside the plastic-overmolded housing (1) and has winding wires; and lead-out pins (2), which pass through the lead-out portion (13), wherein one end of each lead-out pin (2) is electrically connected to the winding wires; and a power cord, which is electrically connected to the end of each lead-out pin (2) away from the winding wires.

Description

Motor and air conditioner with same

[0001] Cross-reference to related applications

[0002] The present application is based on Chinese Patent Application No. 202411133901.8, 202422001498.5, filed on August 16, 2024, and claims priority to the Chinese Patent Application No. 202411133901.8, 202422001498.5, filed on August 16, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of motors, in particular to a motor and an air conditioner with the same. BACKGROUND

[0004] In related technologies, as an important device for converting electrical energy into mechanical energy, the motor plays a key role in compressors, refrigeration equipment, household appliances and other fields. In the prior art, during the process of welding the power line, tin welding is prone to burst and fly into the gap between the stator and the rotor, causing poor motor operation. In order to avoid the power line scratching the rotor, additional limiting structures are usually needed to avoid risks, thereby increasing the cost. SUMMARY

[0005] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a motor which can realize externalization of the power line, reduce the risk of scratching between the power line and the rotor assembly, and does not need to increase additional limiting design, thereby reducing the production and processing cost and improving the reliability and stability.

[0006] The present application also provides an air conditioner, which comprises the above motor.

[0007] The motor according to the embodiments of the present application comprises a plastic-coated shell, a stator assembly, and a power line. The plastic-coated shell comprises a body, a fitting portion and a lead wire portion. The fitting portion and the lead wire portion are arranged on the same end surface of the body in the axial direction. The fitting portion is arranged on the inner side of the body in the radial direction, and the lead wire portion is located on the outer side of the fitting portion in the radial direction. The stator assembly is arranged in the plastic-coated shell and has a winding wire. The lead pin is arranged on the lead wire portion in the axial direction of the body. One end of the lead pin is electrically connected to the winding wire. The power line is electrically connected to the end of the lead pin away from the winding wire.

[0008] According to the motor of the embodiment of the present application, by locating the lead-out wire part at the radial outer side of the matching part, the power supply wire is connected with the winding wire of the stator assembly through the lead-out pin, which can realize the externalization of the power supply wire. On the one hand, the power supply wire is isolated from the cavity defined by the body, which reduces the risk of scratching between the power supply wire and the rotor assembly, and avoids the additional design of the heat-shrinkable tube on the power supply wire or the design of the wire blocking column on the plastic-encased shell in the prior art, thereby reducing the production and processing cost of the plastic-encased shell. On the other hand, the soldering tin can be prevented from flying everywhere into the cavity defined by the body when connecting the power supply wire, thereby avoiding the blocking problem or the need for additional cleaning of the soldering tin, and improving the reliability and stability of the motor to ensure the normal operation of the motor.

[0009] In addition, the motor according to the present application can also have the following additional technical features:

[0010] In some embodiments, the side of the lead-out wire part away from the body is provided with a first stop opening extending along the edge of the lead-out wire part, the lead-out pin is located inside the first stop opening, and the side of the first stop opening away from the body axis has an opening for the power supply wire to lead out.

[0011] In some embodiments, the motor further comprises a cover plate arranged on the side of the lead-out wire part away from the body, and the side of the cover plate facing the lead-out wire part is provided with a second stop opening extending along the edge of the cover plate and located outside the first stop opening and abutting the peripheral wall of the first stop opening.

[0012] In some embodiments, the side of the lead-out wire part away from the body is provided with a wire guide groove, the wire guide groove is arranged adjacent to the opening and has one end in communication with the opening and the other end extending towards the lead-out pin, and part of the power supply wire is adapted to be located in the wire guide groove.

[0013] In some embodiments, the side of the lead-out wire part away from the body is provided with a positioning protrusion, the positioning protrusion is arranged adjacent to the opening, and the wire guide groove is arranged on the positioning protrusion.

[0014] In some embodiments, the side of the cover plate facing the lead-out wire part has a stop protrusion opposite to the region of the lead-out wire part provided with the wire guide groove and abutting.

[0015] In some embodiments, the lead-out pins are a plurality of lead-out pins arranged at intervals in the circumferential direction of the body, and the wire guide grooves are a plurality of wire guide grooves corresponding to the plurality of lead-out pins one by one.

[0016] In some embodiments, a water-blocking boss is arranged on the side of the lead-out wire portion away from the body, and extends along the width direction of the opening and is arranged in the radial direction of the body and spaced from the opening.

[0017] In some embodiments, the plastic-coated shell further comprises: mounting ears arranged on the outer peripheral wall of the body and spaced in the circumferential direction of the body.

[0018] In some embodiments, the lead-out wire portion is arranged between two adjacent mounting ears of the plurality of mounting ears.

[0019] In some embodiments, the power supply wire is welded to the lead-out pin; or, the power supply wire is connected to the lead-out pin through a plug-in terminal.

[0020] The application also provides an air conditioner having the above-mentioned embodiments.

[0021] According to the air conditioner of the application, by arranging the above-mentioned motor, by arranging the lead-out wire portion on the radial outer side of the matching portion, and by connecting the power supply wire to the winding wire of the stator assembly through the lead-out pin, the power supply wire can be arranged externally, on the one hand, the power supply wire is isolated from the cavity defined by the body, the risk of scratching between the power supply wire and the rotor assembly is reduced, and the additional design of the heat-shrinkable tube on the power supply wire or the blocking column on the plastic-coated shell in the prior art is avoided, thereby reducing the production and processing cost of the plastic-coated shell; on the other hand, the soldering tin scattered during the connection of the power supply wire can be prevented from entering the cavity defined by the body, thereby avoiding the blocking problem or the need for additional cleaning of the soldering tin, thereby improving the reliability and stability of the motor and ensuring the normal operation of the motor.

[0022] Additional aspects and advantages of the application will be made apparent by the following description and the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the application will become apparent and be readily understood by considering the following detailed description, including the accompanying drawings, in which:

[0024] Fig. 1 is a front view of a stator assembly according to an embodiment of the application;

[0025] Fig. 2 is a cross-sectional view of a stator assembly according to an embodiment of the application;

[0026] Fig. 3 is a cross-sectional view of a motor according to an embodiment of the application;

[0027] Fig. 4 is an enlarged view of A in Fig. 3.

[0028] REFERENCE NUMERALS:

[0029] 100. motor;

[0030] 1. plastic package; 11. body; 12. fitting part; 13. lead-out wire part; 131. first stopper; 132. opening; 133. wire groove; 134. positioning protrusion; 135. water-blocking boss; 14. mounting ear;

[0031] 2. lead-out pin;

[0032] 3. cover plate; 31. second stopper; 32. stop protrusion;

[0033] 200. stator assembly;

[0034] 4. stator assembly;

[0035] 5. rotor assembly; 51. rotor core; 52. rotor magnet;

[0036] 6. rotating shaft;

[0037] 7. bearing end cover. Embodiments of the present application

[0038] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, for the purpose of explanation of the present application, and are not to be understood as a limitation of the present application.

[0039] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0040] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0041] In this application, unless specifically defined otherwise, the terms "mounting", "connected", "connection", "fixed", and the like should be construed broadly and do not necessarily mean fixed connection, but can also mean detachable connection, or integral; can be mechanical connection, or electrical connection, or communication; can be direct connection, or indirect connection through an intermediate medium; can be the internal communication of two elements, or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0042] The motor 100 according to the embodiments of the present application is described below with reference to the accompanying drawings.

[0043] As shown in FIG. 2, the motor 100 according to the embodiments of the present application includes a plastic-encased shell 1, a stator assembly 4, a lead pin 2, and a power supply wire.

[0044] Specifically, referring to FIG. 3, the plastic-encased shell 1 includes a body 11, a fitting portion 12, and a lead wire portion 13, the fitting portion 12 and the lead wire portion 13 are arranged on the same end surface of the body 11 in the axial direction (the a direction shown in FIG. 3), the fitting portion 12 is arranged on the radially inner side of the body 11 and extends along the circumferential direction of the body 11 to be annular, for cooperating with the bearing end cover 7 of the motor 100, and the lead wire portion 13 is located on the radially outer side of the fitting portion 12.

[0045] Referring to FIGS. 2 and 3, the stator assembly 4 is arranged in the plastic-encased shell 1, the plastic-encased shell 1 can be formed by covering the stator assembly 4 with an insulating material through a process such as injection molding, the plastic-encased shell 1 and the stator assembly 4 form a stator assembly 200, the plastic-encased shell 1 has the functions of insulation and protection, and can also enhance the mechanical strength of the stator assembly 200, improve the electrical performance and safety of the stator assembly 200.

[0046] Referring to FIG. 3, the stator assembly 4 has winding wires, and further includes a stator core, the winding wires are wound on the stator core, and the stator core can generate a rotating magnetic field when the winding wires are energized. The plastic-encased shell 1 can be formed by covering the stator assembly 4 with an insulating material through a process such as injection molding.

[0047] The lead pin 2 is arranged on the lead wire portion 13 in the axial direction of the body 11, one end of the lead pin 2 is electrically connected with the winding wires, and the power supply wire is electrically connected with the end of the lead pin 2 away from the winding wires, the power supply wire is used to transmit electrical energy from the power supply to the lead pin 2, and then to the winding wires of the stator assembly 4 through the lead pin 2, to realize driving the motor 100 to work, so that the plastic-encased shell 1 does not need to be injection molded together with the power supply wire, thereby improving the manufacturability of the plastic-encased shell 1, reducing the failure rate of the plastic-encased shell 1, reducing the difficulty of the plastic-encased shell 1, improving the injection molding efficiency of the plastic-encased shell 1, and facilitating the production and processing of the motor 100.

[0048] It should be noted that, as shown in FIG. 3, the rotor assembly 5 is rotatably arranged in the stator assembly 200, the rotating shaft 6 is arranged in and connected with the rotor assembly 5, the rotor assembly 5 includes a rotor core 51 and a rotor magnet 52, the rotor magnet 52 can be a permanent magnet or an electromagnet, the stator assembly 4 can generate a rotating magnetic field after being energized, the rotor magnet 52 can respond to the rotating magnetic field generated by the stator assembly 4 to generate a magnetic force, so that the rotor core 51 rotates to provide a torque to drive the rotating shaft 6 to rotate.

[0049] It can be understood that, by arranging the lead-out wire portion 13 on the radial outer side of the matching portion 12, the power supply wire is connected with the winding wire of the stator assembly 4 through the lead-out pin 2, which can realize the externalization of the power supply wire. On the one hand, the power supply wire is away from the gap between the stator assembly 4 and the rotor assembly 5, which realizes the isolation of the power supply wire from the cavity defined by the body 11, reduces the risk of scratching between the power supply wire and the rotor assembly 5, and avoids the additional design of sleeving a heat-shrinkable tube on the power supply wire or designing a wire blocking column on the plastic shell in the prior art, thereby reducing the production and processing cost of the plastic shell 1. On the other hand, the soldering tin during the connection of the power supply wire can be prevented from flying everywhere into the cavity defined by the body 11, thereby avoiding the blocking problem or the need for additional cleaning of the soldering tin, so as to ensure the normal operation of the motor 100 and reduce the production and processing cost and the maintenance cost of the motor 100.

[0050] According to the motor 100 of the embodiment of the present application, by arranging the lead-out wire portion 13 on the radial outer side of the matching portion 12, the power supply wire is connected with the winding wire of the stator assembly 4 through the lead-out pin 2, which can realize the externalization of the power supply wire. On the one hand, the power supply wire is away from the gap between the stator assembly 4 and the rotor assembly 5, which realizes the isolation of the power supply wire from the cavity defined by the body 11, reduces the risk of scratching between the power supply wire and the rotor assembly 5, and avoids the additional design of sleeving a heat-shrinkable tube on the power supply wire or designing a wire blocking column on the plastic shell in the prior art, thereby reducing the production and processing cost of the plastic shell 1. On the other hand, the soldering tin during the connection of the power supply wire can be prevented from flying everywhere into the cavity defined by the body 11, thereby avoiding the blocking problem or the need for additional cleaning of the soldering tin, so as to improve the reliability and stability of the motor 100 and ensure the normal operation of the motor 100.

[0051] In some embodiments of the present application, referring to FIG. 2, the side of the lead-out wire portion 13 away from the body 11 is provided with a first stopper 131 extending along the edge of the lead-out wire portion 13, and the lead-out pin 2 is located inside the first stopper 131. The first stopper 131 can protect the lead-out pin 2 to some extent. The side of the first stopper 131 away from the axis of the body 11 has an opening 132 for the power cord to lead out in the radial direction of the body 11 instead of the axial direction of the body 11, which can reduce the occupation of the axial space of the plastic package shell 1 by the power cord, and facilitate the structural layout inside the plastic package shell 1.

[0052] In the embodiments of the present application, referring to FIG. 1, the motor 100 further comprises a cover plate 3 covering the side of the lead-out wire portion 13 away from the body 11. The cover plate 3 and the lead-out wire portion 13 jointly define a placement space in which the lead-out pin 2 and part of the power cord are located, so that the cover plate 3 can protect the lead-out pin 2 and the power cord. Referring to FIGS. 2 and 4, the side of the cover plate 3 facing the lead-out wire portion 13 is provided with a second stopper 31 extending along the edge of the cover plate 3 and located outside the first stopper 131 and abutting the peripheral wall of the first stopper 131. Through the cooperation of the first stopper 131 and the second stopper 31, the cover plate 3 can be prevented from being misaligned or having a gap during assembly, ensuring the accuracy and stability of the assembly of the cover plate 3 and the lead-out wire portion 13, and preventing dust or other impurities from entering the placement space to some extent, avoiding the influence of dust or other impurities on the normal connection of the lead-out pin 2 and the power cord.

[0053] It should be noted that, as shown in FIGS. 2 and 4, the second stopper 31 is located outside the first stopper 131, which can better protect the lead-out wire portion 13 and avoid reducing the placement space defined by the lead-out wire portion 13 and the cover plate 3 due to the presence of the second stopper 31, thereby ensuring the normal placement of the lead-out pin 2 and the power cord.

[0054] In the embodiments of the present application, referring to FIGS. 2 and 4, the side of the lead-out wire portion 13 away from the body 11 is provided with a wire groove 133 adjacent to the opening 132 and communicating with the opening 132 at one end and extending toward the lead-out pin 2 at the other end. Part of the power cord is adapted to be located in the wire groove 133. The wire groove 133 can limit the power cord, allowing the power cord to extend along the extension direction of the wire groove 133 (direction b shown in FIG. 4), which provides a basis for the neat arrangement of the power cord and is conducive to improving the reliability and manufacturability of the plastic package shell 1.

[0055] In the embodiment of the present application, referring to FIG. 2, the side of the lead-out wire part 13 away from the body 11 is provided with a positioning protrusion 134, the positioning protrusion 134 is arranged adjacent to the opening 132, and the wire groove 133 is arranged on the positioning protrusion 134. It can be understood that the positioning protrusion 134 has the following advantages. Firstly, the positioning protrusion 134 can strengthen the structural strength of the lead-out wire part 13 and ensure the structural reliability of the lead-out wire part 13. Secondly, the wire groove 133 is arranged on the positioning protrusion 134, so that the inner bottom wall of the wire groove 133 is flush with the part of the lead-out wire part 13 that is not provided with the positioning protrusion 134, thereby avoiding the occupation of the space inside the plastic shell 1 due to the existence of the wire groove 133 and avoiding affecting the structural reliability of the body 11. Thirdly, the positioning protrusion 134 can increase the depth of the wire groove 133 and improve the limiting effect of the wire groove 133 on the power cord, thereby ensuring the stability of the power cord.

[0056] In the embodiment of the present application, referring to FIG. 4, the side of the cover plate 3 facing the lead-out wire part 13 is provided with a stop protrusion 32, the stop protrusion 32 is opposite to and abuts against the region of the lead-out wire part 13 provided with the wire groove 133. It can be understood that the side of the lead-out wire part 13 away from the body 11 is provided with the wire groove 133, and the arrangement of the wire groove 133 increases the gap between the lead-out wire part 13 and the cover plate 3. By arranging the stop protrusion 32 on the side of the cover plate 3 facing the lead-out wire part 13, the gap between the lead-out wire part 13 and the cover plate 3 can be reduced, the stop protrusion 32 can stop the power cord in the wire groove 133, the power cord can be prevented from coming out of the wire groove 133, and the limiting effect of the wire groove 133 on the power cord can be further improved. For example, referring to FIG. 2 and FIG. 4, the side of the lead-out wire part 13 away from the body 11 is provided with the positioning protrusion 134, the wire groove 133 is arranged on the positioning protrusion 134, the stop protrusion 32 abuts against the part of the positioning protrusion 134 that is not provided with the wire groove 133, and is spaced apart from the inner bottom wall of the wire groove 133, so as to ensure the arrangement space of the power cord.

[0057] In the embodiment of the present application, referring to FIG. 2, the lead-out pins 2 are arranged at intervals along the circumferential direction of the body 11, and the wire grooves 133 are one-to-one corresponding to the plurality of lead-out pins 2. The plurality of wire grooves 133 can separate and limit the plurality of sub-wires of the power cord, thereby ensuring the correct wiring of the plurality of sub-wires. In one specific example, referring to FIG. 2, the lead-out pins 2 are arranged at intervals along the circumferential direction of the body 11, and are electrically connected to the U wire, the V wire and the W wire of the power cord, respectively. The wire grooves 133 are one-to-one corresponding to the three lead-out pins 2, and can be used to place the U wire, the V wire and the W wire of the power cord, respectively, so as to separate and limit the U wire, the V wire and the W wire, thereby ensuring the correct wiring of the power cord.

[0058] It should be noted that the power line is arranged on the lead-out wire part 13, which can reduce the length of the power line, improve the convenience of operation, reduce the use amount of the lead-out wire part 13, and further reduce the production and processing cost of the motor 100.

[0059] In the embodiment of the present application, as shown in FIGS. 2 and 4, the side of the lead-out wire part 13 away from the body 11 is provided with a water blocking boss 135, which extends along the width direction of the opening 132 (the c direction shown in FIG. 2) and is arranged in the radial direction of the body 11 and spaced from the opening 132, which can reduce the probability of water, dust or other impurities entering the lead-out wire part 13 from the opening 132, and can play a protective role for the motor 100, improve the reliability and stability of the motor 100, and thus avoid affecting the effectiveness of the lead-out pin 2.

[0060] In a specific example, as shown in FIG. 4, the stop protrusion 32 is located on the side of the water blocking boss 135 away from the axis of the body 11. It can be understood that the power line extends from the lead-out pin 2 to the opening 132. First, due to the presence of the water blocking boss 135, the part of the power line located in the wire groove 133 is bent towards the direction close to the cover plate 3, so that the surfaces of the cover plate 3 and the water blocking boss 135 facing each other together fix the power line. Then, due to the presence of the stop protrusion 32, the part of the power line located in the wire groove 133 is bent towards the direction away from the cover plate 3, so that the surfaces of the stop protrusion 32 and the guide groove facing each other together fix the power line. By bending the power line multiple times, a labyrinth structure can be formed, which can improve the fixing effect of the power line and ensure the protective effect of the cover plate 3 and the lead-out wire part 13 on the power line and the lead-out pin 2.

[0061] In some embodiments of the present application, as shown in FIGS. 1 and 2, the plastic-coated shell 1 further comprises mounting ears 14, which are arranged on the outer peripheral wall of the body 11 and are spaced apart in the circumferential direction of the body 11. The mounting ears 14 can provide convenience for the fixation and installation of the motor 100. The arrangement of multiple mounting ears 14 can form multiple mounting positions in the circumferential direction of the body 11, so that the stator assembly 200 provided with the plastic-coated shell 1 can be fixed and installed at multiple positions in the circumferential direction of the body 11, thereby enhancing the connection stability between the stator assembly 200 and the connected member. At the same time, the stress between the plastic-coated shell 1 and the connected member can be dispersed to multiple mounting ears 14, thereby reducing the stress generated by each mounting ear 14, reducing the risk of damage to the mounting ear 14, and prolonging the service life of the motor 100.

[0062] In the embodiment of the present application, as shown in FIG. 2, the lead-out wire part 13 is arranged between two adjacent mounting ears 14 among the multiple mounting ears 14, which can provide a wire outlet space for the power line led out in the radial direction of the body 11, and facilitate the lead-out of the power line.

[0063] In some embodiments of the present application, referring to Fig. 1, the plastic-encased shell 1 is an integral piece, which can be integrally processed by a process such as injection molding, thereby reducing the production process and improving the production efficiency. Meanwhile, the connection strength between the main body 11, the matching portion 12 and the lead wire portion 13 can be enhanced, thereby enhancing the structural stability and reliability of the plastic-encased shell 1 as a whole.

[0064] In some embodiments of the present application, the power cord and the lead pin 2 are connected by welding. After the low-melting-point metal solder (usually a tin-based alloy) is heated and melted, it penetrates and fills the gap between the metal parts to realize the connection. The melting of the solder, the wetting and diffusion of the metal surface can form a firm welding connection. The device is simple, easy to operate, has good manufacturability, and can ensure the connection reliability of the power cord and the lead pin 2.

[0065] In some embodiments of the present application, the power cord and the lead pin 2 are connected by a plug-in terminal. The plug-in terminal structure is compact, easy to install and disassemble, can save space, and can ensure the firm and reliable connection between the power cord and the lead pin 2.

[0066] It should be noted that the lead pin 2 and the winding wire of the stator assembly 200 can also be connected by welding or by a plug-in terminal to ensure the connection reliability between the lead pin 2 and the winding wire of the stator assembly 200 and to ensure the manufacturability.

[0067] The present application also proposes an air conditioner having the motor 100 of the above-mentioned embodiments.

[0068] The air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit. The motor 100 described above can be a motor 100 for driving a fan to rotate in the air conditioner outdoor unit, or a motor 100 for driving a fan wheel to rotate in the air conditioner indoor unit. Since the motor 100 adopts all the technical solutions of the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

[0069] According to the air conditioner of the embodiment of the present application, by means of the motor 100, by arranging the lead-out wire part 13 on the radial outside of the matching part 12, and by connecting the power supply wire with the winding wire of the stator assembly 4 through the lead-out pin 2, the power supply wire can be arranged externally, on one hand, the power supply wire is isolated from the cavity defined by the body 11, the risk of scratching between the power supply wire and the rotor assembly 5 is reduced, and at the same time, the additional design of the heat shrink tube on the power supply wire or the design of the wire blocking column on the plastic coated shell in the prior art is avoided, the production and processing cost of the plastic coated shell 1 is reduced; on the other hand, the soldering tin during the connection of the power supply wire is prevented from flying into the cavity defined by the body 11, the problem of blockage or the need for additional cleaning of the soldering tin is avoided, thereby improving the reliability and stability of the motor 100, and ensuring the normal operation of the motor 100.

[0070] The motor 100 and the other configurations and operations of the air conditioner according to the embodiment of the present application are known to those skilled in the art, and will not be described in detail here.

[0071] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0072] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An electric machine, wherein, The motor comprises: a plastic-encased shell, the plastic-encased shell comprising a body, a mating portion, and a lead portion, the mating portion and the lead portion being provided on the same end surface of the body in an axial direction, the mating portion being provided on a radially inner side of the body, and the lead portion being located on a radially outer side of the mating portion; a stator assembly provided in the plastic-encased shell and having a winding wire; a lead pin penetrating the lead portion in the axial direction of the body, one end of the lead pin being electrically connected to the winding wire; a power supply wire electrically connected to the other end of the lead pin away from the winding wire.

2. The electric machine of claim 1, wherein, The side of the lead portion away from the body is provided with a first stopper extending along the edge of the lead portion, the lead pin is located on the inner side of the first stopper, and the side of the first stopper away from the body axis has an opening for the lead of the power supply wire.

3. The electric machine of claim 2, wherein, The motor further comprises: a cover plate provided on the side of the lead portion away from the body, the side of the cover plate facing the lead portion is provided with a second stopper extending along the edge of the cover plate and located on the outer side of the first stopper and abutting the peripheral wall of the first stopper.

4. The electric machine of claim 3, wherein, The side of the lead portion away from the body is provided with a wire groove, the wire groove is located adjacent to the opening and has one end in communication with the opening and the other end extending towards the lead pin, and a part of the power supply wire is adapted to be located in the wire groove.

5. The electric machine of claim 4, wherein, The side of the lead portion away from the body is provided with a positioning protrusion, the positioning protrusion is located adjacent to the opening, and the wire groove is provided on the positioning protrusion.

6. The electric machine of claim 4, wherein, The side of the cover plate facing the lead portion has a stop protrusion, the stop protrusion is opposite to the area of the lead portion provided with the wire groove and abuts.

7. The electric machine of claim 4, wherein, The lead pin is a plurality of lead pins spaced apart in the circumferential direction of the body, and the wire groove is a plurality of wire grooves corresponding to the plurality of lead pins.

8. The electric machine of any of claims 2-7, wherein, The side of the lead portion away from the body is provided with a water-blocking boss, the water-blocking boss extends along the width direction of the opening and is spaced apart from the opening in the radial direction of the body.

9. The electric machine of any of claims 1-8, wherein, The plastic-encased shell further comprises: a plurality of mounting ears provided on the peripheral wall of the body and spaced apart in the circumferential direction of the body.

10. The electric machine of claim 9, wherein, The lead portion is provided between any two adjacent mounting ears among the plurality of mounting ears.

11. The electric machine of any of claims 1-10, wherein, The power supply wire is welded to the lead pin; Or, the power supply wire is connected to the lead pin through a plug-in terminal.

12. An air conditioner, wherein, The motor comprises the motor according to any one of claims 1-11.

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