Motor and electric appliance

Abstract

The motor comprises a stator assembly and a connector assembly, the number of plugging positions of the connector assembly is N, N is larger than or equal to 4, the connector assembly comprises connecting pieces, the number of the connecting pieces is M, M is smaller than or equal to N. The connecting pieces are provided with connecting ends and plugging ends, the connecting ends are electrically connected with the stator assembly and / or electronic components, and the plugging ends are electrically connected with the stator assembly and / or electronic components. The plugging end is located in the connector assembly and extends to the plugging position, and the plugging end is used for being electrically connected with an external interface. According to the motor provided by the utility model, the number of the connecting pieces can be flexibly configured according to actual requirements, the expandability and compatibility of the connector assembly are increased, and only the stator assembly needs to be connected with the connecting pieces, so that the assembly process of the motor is simplified, the number of connecting points is reduced, and the cost is reduced. According to the motor provided by the utility model, the risk of faults caused by poor contact or looseness is reduced, the overall size of the motor is more compact, space waste caused by a plurality of independent components is avoided, and the problem of space interference possibly occurring during installation is solved.

Description

Technical Field

[0001] This utility model relates to the field of motor manufacturing technology, and in particular to a motor and an electrical appliance. Background Technology

[0002] In the existing technology, the stator winding is first electrically connected to the connector, then electrically connected to the terminal through multiple insulated wires, and finally connected to the motor interface connector. The whole process involves four independent electrical connections, which increases the number of parts used, complicates the manufacturing process, and reduces production efficiency. Multiple connections also affect the reliability of the connection, increase the possibility of failure, increase costs, and make some areas of the motor larger, which can easily cause spatial interference problems during installation. Summary of the Invention

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model provides an electric motor that is low in manufacturing difficulty and cost, and has a stable and reliable structure.

[0004] This utility model also proposes a connector assembly.

[0005] According to a first aspect of the present invention, a motor includes: a stator assembly; a connector assembly having mating positions, the number of mating positions being N, N≥4; the connector assembly including connecting members, the number of connecting members being M, M≤N; the connecting members having connecting ends and mating ends; the connecting ends being electrically connected to the stator assembly and / or electronic components; the mating ends being located within the connector assembly and extending to the mating positions; and the mating ends being used for electrical connection to an external interface.

[0006] According to the present invention, the motor has a limit on the number of connectors M to no more than the number of plug positions N and the number of plug positions to no less than 4. Each connector can be individually located in a plug position, and there are empty and spare plug positions. The number of connectors can be flexibly configured according to actual needs. It also supports the connection of various components, increasing the scalability and compatibility of the connector assembly. The connector has a connection end for connecting to the stator assembly and a plug end for connecting to external interfaces, reducing the need for multiple electrical connections in traditional designs. Only the stator assembly needs to be connected to the connector, thus simplifying the motor assembly process, reducing the number of connection points, lowering the risk of failure due to poor contact or looseness, making the overall size of the motor more compact, avoiding space waste caused by multiple independent components, and helping to solve potential space interference problems during installation.

[0007] In some embodiments, the connection end is connected to the stator assembly and / or the electronic components by welding.

[0008] In some embodiments, the connector assembly comprises a connector base, the connecting member is a power connecting member, the stator assembly has a stator winding, the stator winding has a connecting lead, and the connecting lead is connected to and in electrical communication with the connecting end of the power connecting member.

[0009] In some embodiments, a periphery of the connecting end forms a limiting flange, and a wire passing groove is formed on the limiting flange.

[0010] In some embodiments, an intermediate portion is formed between the connecting end and the plug-in end, the connector base forms a fixing groove, and the intermediate portion is arranged in the fixing groove.

[0011] In some embodiments, the connector base forms a placing portion, and the connecting end is arranged on the placing portion.

[0012] In some embodiments, the connector base forms a lead fixing portion, and the lead fixing portion is arranged on opposite sides of the placing portion.

[0013] In some embodiments, the connector base forms a cutting fixing portion, and the cutting fixing portion is arranged at a free end of the connecting lead.

[0014] In some embodiments, the cutting fixing portion is connected to the free end of the connecting lead in a clamping manner.

[0015] In some embodiments, the connector base comprises a seat body and a connecting body, and the seat body and the connecting body are integrally formed, or the seat body and the connecting body are detachably connected.

[0016] In some embodiments, the power connecting member comprises a plurality of power connecting members, the plurality of power connecting members are arranged on the seat body in a spaced manner, and the fixing groove and the placing portion are arranged in a one-to-one correspondence with the power connecting members.

[0017] In some embodiments, the connector assembly comprises a connector base, the connecting member is a ground connecting member, the connecting end of the ground connecting member is connected to a stator core of the stator assembly, a reinforcing portion is formed between the connecting end of the ground connecting member and the plug-in end of the ground connecting member, the connector base forms a ground through hole, and the reinforcing portion is arranged in the ground through hole.

[0018] In some embodiments, the connector base forms a first boss, and the ground through hole penetrates the first boss.

[0019] In some embodiments, the connector assembly further comprises a housing which is arranged on the connector base, a periphery of the fixing groove is formed with a first sealing surface, the housing is formed with a second sealing surface, and the first sealing surface is in contact with the second sealing surface.

[0020] In some embodiments, the connector base is formed with a second boss, the fixing groove is formed on the second boss, a side surface of the second boss away from the connector base is formed as the first sealing surface, the housing is formed with a third boss, a side surface of the third boss away from the housing is formed as the second sealing surface, and the second boss and the third boss are arranged correspondingly.

[0021] In some embodiments, the third boss is formed with a fixing protrusion, the fixing protrusion extends into the fixing groove and abuts against the intermediate portion.

[0022] In some embodiments, the fixing groove is formed with a first guide surface, the first guide surface is arranged in connection with the first sealing surface, the fixing protrusion is formed with a second guide surface, and the fixing protrusion and the fixing groove are guided by the first guide surface and the second guide surface.

[0023] In some embodiments, the housing is formed with a sealing recess, the sealing recess is arranged correspondingly to the placement portion in the arrangement direction of the housing and the connector base.

[0024] In some embodiments, the sealing recess is filled with injection material.

[0025] In some embodiments, the connector base is formed as a piece of insulating material.

[0026] In some embodiments, the housing is formed with a plurality of accommodating grooves, the plurality of accommodating grooves are arranged at intervals, bottoms of M accommodating grooves of the plurality of accommodating grooves are formed with terminal through holes, and the plug-in end extends into the terminal through holes.

[0027] In some embodiments, at least one of the plurality of accommodating grooves is formed with a fool-proof portion.

[0028] In some embodiments, the housing is formed with a connector boss, the plurality of accommodating grooves are formed on the connector boss, and a clamping portion is formed on an outer peripheral wall of the connector boss.

[0029] In some embodiments, at least a part of the periphery of the housing is formed with a connector sealing surface.

[0030] In some embodiments, the housing is formed with a receiving cavity, the terminal through hole is communicated with the receiving cavity, the electronic component is a resistance terminal, the resistance terminal is arranged in the receiving cavity and extends into the terminal through hole, and the connector assembly further comprises: a resistance element, the resistance element is located in the receiving cavity, and two ends of the resistance element are connected with the resistance terminal respectively.

[0031] The electric appliance according to the second aspect of the utility model comprises the motor according to the first aspect of the utility model.

[0032] According to the electric appliance of the utility model, by limiting that the number M of the connecting pieces is not more than the number N of the plug-in positions and the number of the plug-in positions is not less than 4, each connecting piece can be arranged in a plug-in position, and the plug-in positions are empty or spare, the number of the connecting pieces can be flexibly configured according to actual needs, meanwhile, a plurality of components can be connected, the extensibility and the compatibility of the connector assembly are improved; the connecting piece has a connecting end connected with the stator assembly and a plug-in end connected with an external interface, the connecting requirement in the traditional design is reduced, the stator assembly and the connecting piece are connected, the assembly process of the motor is simplified, the number of the connecting points is reduced, the risk of failure caused by poor contact or looseness is reduced, and the yield of the electric appliance is improved, and the installation space of the electric appliance is reduced.

[0033] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 is a schematic view of the motor shown in FIG.

[0035] Figure 2 is Figure 1 is a schematic view of the motor shown in FIG.

[0036] Figure 3 is Figure 1 is a schematic view of the stator assembly of the motor shown in FIG.

[0037] Figure 4 is Figure 3 is an exploded schematic view of the connector assembly shown in FIG.

[0038] Figure 5 is Figure 3 is an assembly schematic view of the connector assembly shown in FIG.

[0039] Figure 6 is Figure 5 is an assembly schematic view of the connector base and the connecting lead shown in FIG.

[0040] Figure 7 is Figure 6 a schematic view of a connector base shown in FIG. 1;

[0041] Figure 8 is Figure 7 a partial enlarged schematic view at A shown in FIG. 1;

[0042] Figure 9 is Figure 4 a schematic view of a connecting piece shown in FIG. 1;

[0043] Figure 10 is Figure 4 a schematic view of a housing shown in FIG. 1;

[0044] Figure 11 is Figure 10 a schematic view of the housing from another angle shown in FIG. 1;

[0045] Figure 12 is Figure 11 a partial enlarged schematic view at B shown in FIG. 1.

[0046] Reference signs:

[0047] 1000, motor;

[0048] 100, connector assembly;

[0049] 10, connector base; 101, fixing groove; 1011, first sealing surface; 1012, first guide surface;

[0050] 102, placing portion; 1021, placing surface;

[0051] 103, lead wire fixing portion; 1031, lead wire groove;

[0052] 104, cutting fixing portion; 1041, cutting wire groove;

[0053] 105, first boss; 1051, ground through hole; 106, second boss;

[0054] 20, connecting piece; 201, connecting end; 2011, limiting flange; 2012, wire passing groove; 202, plug-in end;

[0055] 301, power supply connecting piece; 3011, intermediate portion; 302, ground connecting piece; 3021, reinforcing portion; 303, resistance terminal;

[0056] 40, housing; 401, third boss; 402, second sealing surface; 403, fixed rib; 4031, second guide surface; 404, sealing groove; 405, sealing partition; 406, accommodating groove; 4061, foolproof part; 407, connector boss; 4071, clamping part; 408, connector sealing surface; 409, accommodating cavity; 4091, terminal through hole; 4010, cover; 40101, avoiding groove;

[0057] 50, resistance; 60, seat body; 70, connecting body;

[0058] 200, stator assembly; 2001, stator winding; 2002, connecting lead; 2003, stator core. DETAILED DESCRIPTION

[0059] The embodiments of the present application are described in detail below, 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 and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0060] Reference is made below to Figures 1-12 The motor 1000 according to the first aspect of the present application is described.

[0061] As Figures 1-12 shown, the motor 1000 according to the first aspect of the present application includes a stator assembly 200 and a connector assembly 100.

[0062] Specifically, the connector assembly 100 has a plurality of N plug-in positions, N≥4, and includes a plurality of M connecting pieces 20, M≤N, the connecting pieces 20 have connecting ends 201 and plug-in ends 202, the connecting ends 201 are electrically connected with the stator assembly 200 and / or electronic components, the plug-in ends 202 are located inside the connector assembly 100 and extend to the plug-in positions, and the plug-in ends 202 are used to electrically connect with external interfaces. It can be understood that the above-mentioned connector assembly 100 has at least four plug-in positions, so that the connector assembly 100 can be used for simultaneous connection of multiple external interfaces, the number M of the connecting pieces 20 is not more than the number N of the plug-in positions, so that each connecting piece 20 can be individually arranged in a plug-in position, and there is a situation of vacancy and backup of the plug-in positions; the connecting pieces 20 are formed with the connecting ends 201 and the plug-in ends 202, the connecting ends 201 are used to electrically connect with the stator assembly 200 and / or electronic components, that is, the connecting ends 201 of the connecting pieces 20 can be connected with the stator assembly 200, the connecting ends 201 of the connecting pieces 20 can also be connected with the electronic components, and the connecting ends 201 of the connecting pieces 20 can also be connected with the stator assembly 200 and the electronic components; the plug-in ends 202 are located inside the connector assembly 100, and one end of the plug-in ends 202 extends to the plug-in positions, so as to facilitate electrical connection with external interfaces. In this way, the current can be efficiently and reliably transmitted from the stator assembly 200 to the plug-in ends 202, the connecting ends 201 and the plug-in ends 202 are integrated on the connecting pieces 20, reducing the assembly steps of the plug-in ends 202 and the connecting ends 201, and improving the connection stability and reliability between components.

[0063] That is, in the prior art, the stator assembly is first electrically connected with the connecting piece, then electrically connected with the plug-in end through a plurality of insulated wires, and finally connected with the external interface, the whole process includes four independent electrical connections, which increases the number of parts used, complicates the manufacturing process, and thus reduces the production efficiency; multiple connections also affect the reliability of the connection, increase the possibility of failure, increase the cost, and make the size of part of the motor area larger, which is easy to cause space interference problem during installation. In the present application, the connecting ends 201 and the plug-in ends 202 are integrated on the connecting pieces 20, reducing the need for multiple electrical connections in the traditional design, only the stator assembly 200 needs to be connected with the connecting piece 20, reducing the number of connection points, and realizing small space and large integration.

[0064] Furthermore, the number M of the connecting pieces 20 is not more than the number N of the plug-in positions, so that each connecting piece 20 can be individually arranged in a plug-in position, and there is a situation of vacancy and backup of the plug-in positions, the number of connecting pieces can be flexibly configured according to actual needs, at the same time, supporting the connection of multiple components, increasing the expandability and compatibility of the connector assembly 100.

[0065] According to the motor 1000, the number M of the connecting pieces 20 is limited to be not more than the number N of the plug-in positions, and the number of the plug-in positions is not less than 4, so that each connecting piece 20 can be arranged in one plug-in position, and the number of the connecting pieces 20 can be flexibly configured according to actual requirements, meanwhile, the connection of various components is supported, the expandability and compatibility of the connector assembly 100 are improved, the connecting end 201 of the connecting piece 20 is connected with the stator assembly 200, and the plug-in end 202 is connected with the external interface, the multiple electrical connection requirements in the traditional design are reduced, and the stator assembly 200 only needs to be connected with the connecting piece 20, so that the assembly process of the motor 1000 is simplified, the number of the connecting points is reduced, the risk of faults caused by poor contact or looseness is reduced, the overall size of the motor 1000 is more compact, the space waste caused by multiple independent assemblies is avoided, and the space interference problem that may occur during installation is solved.

[0066] It should be noted that the number N of the plug-in positions can be any integer from 4 to 10, that is, the number of the plug-in positions can be 4, 5, 6, 7, 8, 9 or 10, and the number M of the connecting pieces 20 can be any integer from 4 to 6, that is, the number of the connecting pieces 20 can be 4, 5 or 6.

[0067] When the number M of the connecting pieces 20 is 4, the connector assembly 100 has three-phase output ends and one ground end, and the number N of the plug-in positions can be any integer from 4 to 10, each plug-in position is provided with one connecting piece 20, and when the number N of the plug-in positions is greater than the number M of the connecting pieces 20 (that is, when the number N of the plug-in positions is greater than 4), the plug-in positions have standby positions.

[0068] When the number M of the connecting pieces 20 is 5, the connector assembly 100 has three-phase output ends and one identification resistor (the two ends of the identification resistor are respectively connected with one connecting piece 20, that is, has three-phase output ends and two resistor terminals 303), and the number N of the plug-in positions can be any integer from 4 to 10, each plug-in position is provided with one connecting piece 20, and when the number N of the plug-in positions is greater than the number M of the connecting pieces 20 (that is, when the number N of the plug-in positions is greater than 5), the plug-in positions have standby positions.

[0069] When the number M of the connecting pieces is 6, the connector assembly 100 has three-phase output ends, one ground end and one identification resistor (the two ends of the identification resistor are respectively connected with one connecting piece 20, that is, has three-phase output ends and two resistor terminals 303), and the number N of the plug-in positions can be any integer from 4 to 10, each plug-in position is provided with one connecting piece 20, and when the number N of the plug-in positions is greater than the number M of the connecting pieces 20 (that is, when the number N of the plug-in positions is greater than 6), the plug-in positions have standby positions.

[0070] And, it can be understood that the connecting piece 20 is integrally formed.

[0071] Referring to Figure 3 As shown in the figure, the number of the connector assembly 100 is 10, and the 10 connecting positions are arranged in two rows, and each row is provided with 5 plug-in positions.

[0072] In some embodiments of the utility model, the connecting end 201 is connected with the stator assembly 200 and / or electronic components through welding. Specifically, the connecting end 201 is connected with the stator assembly 200 and / or electronic components through resistance welding, soldering, cold welding. Thus, the small space of the connector assembly 100 is integrated, so that the structure of the connector assembly 100 is more compact, and the integration degree is higher.

[0073] In some embodiments of the utility model, as shown in Figure 9 As shown in the figure, the connector assembly 100 includes a connector base 10, the connecting piece 20 is a power connecting piece 301, the stator assembly 200 has a stator winding 2001, the stator winding 2001 has a connecting lead 2002, and the connecting lead 2002 is connected with the connecting end 201 and electrically communicated. That is, the plug-in end 202 is connected with the external interface, the plug-in end 202 is integrally formed with the connecting end 201, and the required power input of the motor 1000 is provided, the power access process of the motor 1000 is simplified, and the overall efficiency and reliability of the system are improved.

[0074] In some embodiments of the utility model, as shown in Figure 9 As shown in the figure, the connecting end 201 and the plug-in end 202 form an intermediate part 3011, the connector base 10 forms a fixing groove 101, and the intermediate part 3011 is arranged in the fixing groove 101. It can be understood that the connecting end 201 and the plug-in end 202 are connected through the intermediate part 3011, the connecting end 201, the plug-in end 202 and the intermediate part 3011 are integrally formed, the intermediate part 3011 is arranged in the fixing groove 101, the structure strength of the connecting end 201 and the plug-in end 202 is improved, the intermediate part 3011 is arranged in the fixing groove 101, the assembly difficulty is reduced, and the connecting end 201 and the plug-in end 202 are stably supported, so as to prevent the intermediate part 3011 from moving under the action of vibration or other external force, thereby avoiding the movement between the connecting end 201 and the plug-in end 202.

[0075] In some embodiments of the utility model, as shown in Figure 7As shown, the connector base 10 is formed with a placing part 102, and the connecting end 201 is arranged on the placing part 102. It can be understood that the placing part 102 is used for bearing the connecting end 201, and the placing part 102 cooperates with the fixing groove 101 to fix the power connecting piece 301 on the connector base 10, which facilitates assembly, improves assembly accuracy of the power connecting piece 301, avoids displacement of the connecting end 201 and the plug-in end 202 during use, and improves reliability and durability of the connector assembly 100.

[0076] In a specific embodiment, the placing part 102 is formed as a placing table, and a placing surface 1021 is formed on a side surface of the placing table away from the connector base 10, and the connecting end 201 is placed on the placing surface 1021. The connecting end 201 has a large contact area with the placing table, and the connecting structure is stable.

[0077] In some embodiments of the utility model, the connector base 10 is formed with a lead fixing part 103 arranged on opposite sides of the placing part 102. It can be understood that the lead fixing part 103 is used for fixing the connecting lead 2002 of the stator winding 2001 at the lead-in end and the lead-out end of the placing part 102, which facilitates positioning of the relative position between the connecting lead 2002 and the connecting end 201, improves assembly efficiency and assembly accuracy, and enhances mechanical stability and reliability of electrical connection. Moreover, by arranging the placing part 102, the fixing groove 101 and the lead fixing part 103, the structure of the connector base 10 is compact, the overall size of the motor 1000 is reduced, and the problem of space interference during installation is avoided.

[0078] Referring to Figure 6 and Figure 7 As shown, the lead fixing part 103 is formed as a lead groove 1031, and the connecting lead 2002 penetrates into and out of the lead groove 1031. Specifically, the connecting lead 2002 first penetrates into and out of one of the lead grooves 1031, and then the connecting lead 2002 contacts the connecting end 201. After penetrating through the connecting end 201, the connecting lead 2002 penetrates into and out of the other lead groove 1031. In this way, the connecting lead 2002 is connected to the connecting end 201, the assembly difficulty is reduced, the lead fixing part 103 orderly arranges the connecting lead 2002 on the connector base 10, and space interference during installation is avoided.

[0079] In some embodiments of the utility model, the connector base 10 is formed with a cutting fixing part 104, and the cutting fixing part 104 is arranged at the free end of the connecting lead 2002. It can be understood that the cutting fixing part 104 is arranged at the end part of the connecting lead 2002, used for fixing the connecting lead 2002 when assembling the connecting lead 2002 and the connecting wire, and after the connecting end 201 is assembled with the connecting lead 2002, the excess connecting lead 2002 can be cut, which is beneficial to speed up the production speed and reduce the production cost.

[0080] Referring to Figure 6 And Figure 7 As shown in the figure, the cutting fixing part 104 is formed as a wire cutting groove 1041, and the end of the connecting lead 2002 is located in the wire cutting groove 1041. The fixing mode of the connecting lead 2002 and the wire cutting groove 1041 is simple, which reduces the production difficulty and is convenient for the production personnel to operate.

[0081] In some embodiments of the utility model, the cutting fixing part 104 is connected with the free end of the connecting lead 2002 in a clamping mode. It can be understood that the clamping connection mode is simple, and the free end of the connecting lead 2002 can be clamped firmly. After the excess connecting lead 2002 is cut, the lead segment can be taken out from the wire cutting groove 1041, which reduces the difficulty of clamping and taking out, thereby improving the production efficiency.

[0082] In some embodiments of the utility model, the periphery of the connecting end 201 is formed with a limiting flange 2011, and the limiting flange 2011 is formed with a wire passing groove 2012. It can be understood that the limiting flange 2011 is formed on the periphery of the connecting end 201, so that when the connecting end 201 is tin soldered with the connecting lead 2002, the surface tension of the tin liquid is large. When the tin liquid flows to the limiting flange 2011, the tin liquid cannot continue to flow due to the blockage of the limiting flange 2011, and more and more tin liquid accumulates in the thickness direction of the connecting end 201, so that the connecting end 201 and the connecting lead 2002 can be stably connected.

[0083] In some embodiments of the utility model, the connector base 10 comprises a seat body 60 and a connecting body 70, and the seat body 60 and the connecting body 70 are integrally formed, or the seat body 60 and the connecting body 70 are detachably connected. It can be understood that the seat body 60 and the connecting body 70 are integrally formed, which reduces the number of parts and improves the stability and reliability of the structure. The seat body 60 and the connecting body 70 are detachably connected, which is convenient for assembly, maintenance and replacement, and is suitable for the case that the parts need to be frequently maintained or replaced, and provides greater flexibility.

[0084] In some embodiments of the utility model, power connecting piece 301 includes a plurality, a plurality of power connecting piece 301 interval arrangement is on the seat body 60, fixed groove 101 and placement part 102 all with power connecting piece 301 one one correspondence arrangement. Can understand, a plurality of power connecting piece 301 interval arrangement is on the seat body 60, ensure that every power connecting piece 301 electrical connection has independent mechanical support and path, improved the reliability and the convenience of assembly of connector assembly 100, the one one correspondence arrangement of fixed groove 101 and placement part 102 makes every power connecting piece 301 all correspond a fixed placement part 102 and fixed groove 101, ensure that every power connecting piece 301 can be accurately installed in the corresponding position, and with the electrical connection of corresponding power connecting piece 301, in this way, effectively avoid the electrical interference and short circuit condition occurs, improved the security of motor 1000.

[0085] In some embodiments of the utility model, connecting piece 20 is ground connecting piece 302, connecting end 201 is connected with stator core 2003 of stator assembly 200, and the reinforcing portion 3021 is formed between the connecting end 201 and the plug-in end 202, the connector base 10 is formed with the grounding through hole 1051, and the reinforcing portion 3021 is located in the grounding through hole 1051. Can understand, plug-in end 202 is connected with connecting end 201 through reinforcing portion 3021, for enhancing the mechanical structure strength of ground connection, connecting end 201 and plug-in end 202 are integrally formed, and the connection stability and reliability are improved.

[0086] In summary, the shape and size of the fixed groove 101 match the shape and size of the intermediate portion 3011, including but not limited to this.

[0087] In some embodiments of the utility model, the connector base 10 is formed with a first boss 105, and the grounding through hole 1051 penetrates the first boss 105. Referring to Figure 7 As shown, the first boss 105 is formed on the connector base 10, the first boss 105 is arranged apart from the fixed groove 101, and the grounding through hole 1051 penetrates the connector base 10 and the first boss 105, so that the first boss 105 is provided to enhance the structural strength and stability of the grounding through hole 1051.

[0088] In some embodiments of the utility model, connector assembly 100 still includes: shell 40, shell 40 cover is established on connector base 10, the peripheral edge of fixed groove 101 is formed with first sealing surface 1011, the second sealing surface 402 is formed on shell 40, first sealing surface 1011 and second sealing surface 402 are pasted. It can be understood that first sealing surface 1011 is established on the peripheral edge of fixed groove 101, is used for pasting with second sealing surface 402 on shell 40, ensures good sealing effect, shell 40 cover is established on connector base 10, protects internal components from the influence of external environment;Second sealing surface 402 is equipped with on shell 40, and first sealing surface 1011 is pasted, and the sealing effect is ensured, and second sealing surface 402 is equipped with on shell 40, and first sealing surface 1011 on connector base 10 is pasted, and effective sealing structure is formed, prevents injection plastic, moisture and dust from entering the inside of connector. Thus, the sealing property of connector assembly 100 is improved, and the reliability and durability of connector assembly 100 are enhanced.

[0089] In some embodiments of the utility model, as shown in Figure 7 The second boss 106 is formed on the connector base 10, the fixed groove 101 is formed on the second boss 106, the first sealing surface 1011 is formed on the side surface of the second boss 106 away from the connector base 10, the third boss 401 is formed on the shell 40, the second sealing surface 402 is formed on the side surface of the third boss 401 away from the shell 40, and the second boss 106 and the third boss 401 are correspondingly arranged. It can be understood that the second boss 106 is arranged on the connector base 10, the fixed groove 101 is formed on the second boss 106, the first sealing surface 1011 is arranged on the side surface of the second boss 106 away from the connector base 10, and is used for pasting with the second sealing surface 402 on the shell 40, so as to ensure good sealing effect, the shell 40 cover is established on the connector base 10, and the internal components are protected from the influence of external environment;The third boss 401 is equipped with on shell 40, and the second sealing surface 402 is formed on the side surface of the third boss 401 away from the shell 40, and is pasted with the first sealing surface 1011, so as to ensure the sealing effect, and the third boss 401 is arranged on the shell 40 and correspondingly arranged with the second boss 106, and the second sealing surface 402 is arranged on the side surface of the third boss 401 away from the shell 40 and pasted with the first sealing surface 1011 on the connector base 10, so as to form effective sealing structure, prevent injection plastic, moisture and dust from entering the inside of connector. Thus, the sealing property of connector assembly 100 is improved, and the reliability and durability of connector assembly 100 are enhanced, and the electrical interference between plug-in ends 202 is avoided.

[0090] In some embodiments of the utility model, fixed convex rib 403 is formed on third boss 401, fixed convex rib 403 extends into fixed groove 101 and abuts with middle part 3011. It can be understood that fixed convex rib 403 is arranged on third boss 401, fixed groove 101 is arranged on second boss 106, fixed convex rib 403 extends into fixed groove 101 and abuts with middle part 3011, which enhances the mechanical structure locking effect of middle part 3011, avoids loosening or displacement of middle part 3011 during use, thereby ensuring the stability of power connecting piece 301 and connecting piece 20.

[0091] In some embodiments of the utility model, first guide surface 1012 is formed on fixed groove 101, first guide surface 1012 is arranged in connection with first sealing surface 1011, second guide surface 4031 is formed on fixed convex rib 403, and fixed convex rib 403 and fixed groove 101 are guided by first guide surface 1012 and second guide surface 4031. Figure 7 、 Figure 8 、 Figure 11 And Figure 12 As shown in the figure, first guide surface 1012 is arranged in fixed groove 101 and arranged in connection with first sealing surface 1011, which is used for guiding the correct installation position of fixed convex rib 403, second guide surface 4031 is arranged on fixed convex rib 403 and guided by first guide surface 1012, which ensures that fixed convex rib 403 can be accurately inserted into fixed groove 101 and abut with middle part 3011. Therefore, fixed convex rib 403 and fixed groove 101 are guided by first guide surface 1012 and second guide surface 4031, so that fixed convex rib 403 is smoothly assembled into fixed groove 101, the assembly difficulty of fixed groove 101 and fixed convex rib 403 is reduced, the assembly accuracy is ensured, and the assembly efficiency is improved.

[0092] In some embodiments of the utility model, sealing sink 404 is formed on shell 40, and sealing sink 404 is arranged in correspondence with placing part 102 in the arrangement direction of shell 40 and connector base 10. It can be understood that sealing sink 404 has the function of avoiding the solder block on connecting piece 20, and then filling plastic material in sealing sink 404 after shell 40 is completely assembled on connector base 10, so as to seal sealing sink 404, ensure the waterproof and dustproof performance of the inside of connector assembly 100, prevent water and dust from entering the inside of connector assembly 100, and the filling plastic material can avoid displacement of connecting piece 20, so that the connection between connecting lead 2002 and connecting piece 20 is more stable and not easy to break.

[0093] Further, a sealing partition plate 405 is arranged between any two adjacent sealing grooves 404, and the sealing partition plate 405 is used to insulate and separate the two adjacent connecting pieces 20, so as to ensure the safety of the electrical connection of the connector assembly 100.

[0094] In some embodiments of the utility model, the sealing groove 404 is filled with injection material. It can be understood that the injection material can fill any small gap in the sealing groove 404, which helps to prevent moisture, dust and other contaminants from entering the inside of the connector assembly 100, thereby improving the overall reliability and durability, ensuring the consistency and reliability of the sealing effect, improving production efficiency and product quality, the injection material usually has good weather resistance and anti-aging performance, can maintain its sealing properties during long-term use, prolong the service life of the connector assembly 100, and the injection material has a damping effect, absorbs external impact and vibration, and protects the internal key components from damage.

[0095] In some embodiments of the utility model, the connector base 10 is formed as an insulating material piece to ensure electrical isolation and safety, prevent current leakage and other electrical faults.

[0096] In some embodiments of the utility model, a plurality of accommodating grooves 406 are formed on the shell 40, the plurality of accommodating grooves 406 are arranged at intervals, the bottom of M of the plurality of accommodating grooves 406 is formed with a terminal through hole 4091, and the plug-in end 202 extends into the terminal through hole 4091. It can be understood that the accommodating groove 406 is arranged on the shell 40, the plurality of accommodating grooves 406 are arranged at intervals, the bottom of M of the plurality of accommodating grooves 406 is formed with a terminal through hole 4091, for accommodating the plug-in end 202, the plug-in end 202 is arranged in the terminal through hole 4091, which ensures that the plug-in end 202 remains stable and reliable during use, reduces interference between the plug-in ends 202, and improves the safety of electrical connection.

[0097] Referring to Figure 10 As shown in the figure, the number of plug-in positions of the connector assembly 100 is 10, and the 10 connecting positions are arranged in two rows, 5 plug-in positions are arranged in each row, the accommodating grooves 406 are 10, each accommodating groove 406 is formed as a plug-in position, the bottom of six of the ten accommodating grooves 406 is formed with a terminal through hole 4091, one plug-in end 202 is arranged in each terminal through hole 4091, and the connecting piece 20 can be a power connecting piece 301, a grounding connecting piece 302 and a resistance terminal 303.

[0098] In some embodiments of the utility model, at least one of the plurality of accommodating grooves 406 is formed with a foolproof part 4061. It can be understood that the foolproof part 4061 is arranged in at least one of the accommodating grooves 406 to prevent incorrect assembly, and the connector assembly 100 can be correctly aligned and fixed during the installation of the motor 1000 and the device, avoiding assembly problems caused by human operation errors, helping to reduce the error rate during assembly, improving production efficiency and product quality.

[0099] Referring to Figure 10 As shown in the figure, the foolproof part 4061 is formed as a foolproof groove.

[0100] In some embodiments of the utility model, the connector boss 407 is formed on the shell 40, the plurality of accommodating grooves 406 are formed on the connector boss 407, and the clamping part 4071 is formed on the outer peripheral wall of the connector boss 407. Referring to Figure 10 As shown in the figure, the connector boss 407 is formed on the shell 40, the accommodating grooves 406 are formed on the connector boss 407, and the terminal through hole 4091 penetrates the bottom of the connector boss 407 and communicates with the accommodating grooves 406, so that the connector boss 407 is provided to enhance the structural strength and stability of the accommodating grooves 406 and the terminal through hole 4091, and the motor 1000 and the device are conveniently plugged, and the plugging strength is improved.

[0101] In some embodiments of the utility model, at least part of the circumference of the shell 40 is formed with a connector sealing surface 408. It can be understood that the connector sealing surface 408 is arranged on the circumference of the shell 40, the connector sealing surface 408 can be a continuous sealing surface, and the connector sealing surface 408 can also be a sealing surface arranged at intervals. The connector sealing surface 408 provides an additional sealing layer on the circumference of the shell 40 after the motor 1000 and the device are assembled, preventing moisture, dust and other pollutants from entering the inside of the connector assembly 100, thereby improving the overall sealing effect, and the connector sealing surface 408 also helps to simplify the assembly process. Take the connector sealing surface 408 as a reference plane to ensure that each component can be correctly aligned and fixed during assembly, avoiding unnecessary adjustment and rework.

[0102] In some embodiments of the utility model, the shell 40 is formed with a containing cavity 409, the terminal through hole 4091 is communicated with the containing cavity 409, the connecting piece 20 is resistance terminal 303, the resistance terminal 303 is arranged in the containing cavity 409 and extends into the terminal through hole 4091, and the connector assembly 100 further comprises: resistance piece 50, the resistance piece 50 is located in the containing cavity 409, and the both ends of the resistance piece 50 are connected with the resistance terminal 303 respectively. That is to say, by integrating the resistance piece 50 into the shell 40, the structure of the existing motor 1000 connector is simplified, the number of components and the process complexity are reduced, the shell 40 is provided with the containing cavity 409 and the terminal through hole 4091, the containing cavity 409 is used for placing the resistance piece 50, the terminal through hole 4091 is used for inserting the resistance terminal 303, the resistance terminal 303 passes through the containing cavity 409 and extends into the terminal through hole 4091, which ensures electrical connection and also plays a role of mechanical fixation, the resistance piece 50 is located in the containing cavity 409, and the both ends of the resistance piece 50 are connected with the corresponding resistance terminal 303, realizing the resistance function.

[0103] It can be understood that, since the resistance piece 50 is directly integrated into the inside of the connector assembly 100, the external welding, heat shrink sleeve protection and other steps are reduced, the assembly process is greatly simplified, and no additional insulated wires, heat shrink sleeves and cable ties and other components are required, thereby reducing the overall production cost of the connector, the integrated design reduces the number of connection points, thereby reducing the risk of poor contact, avoiding the influence of the external environment on the resistance piece 50, improving the reliability of the connector, and the overall structure is more compact and occupies less space.

[0104] Further, as shown in Figure 4 The connector assembly 100 further comprises a cover body 4010, the cover body 4010 cooperates with the shell 40 to define the containing cavity 409, the side of the cover body 4010 facing the containing cavity 409 is formed with a avoiding recess 40101, and the avoiding recess 40101 is used for avoiding the resistance piece 50. It can be understood that the cover body 4010 is used for closing the containing cavity 409, ensuring the safety and stability of the internal components, the avoiding recess 40101 is located on the side of the cover body 4010 facing the containing cavity 409, is used for containing the resistance piece 50, provides additional space and protection for the resistance piece 50, and the shape and size of the avoiding recess 40101 are matched with the shape and size of the resistance piece 50, ensuring that the resistance piece 50 can be stably placed. Therefore, not only the structural layout inside the shell 40 is optimized, but also better protection and support are provided for the resistance piece 50.

[0105] The electric appliance according to the second aspect of the utility model comprises the motor 1000 according to the first aspect of the utility model.

[0106] According to the electric appliance of the embodiment of the utility model, through limiting the quantity M of connecting piece 20 is not more than the quantity N of plug-in position and the quantity of plug-in position is not less than 4, like this each connecting piece 20 can be individually arranged in a plug-in position, and, there is the case of plug-in position vacancy and backup, can be according to actual demand flexible configuration the quantity of connecting piece 20, simultaneously, support the connection of multiple components, increased the expansibility and compatibility of connector assembly 100, connecting piece 20 has the connecting end 201 connected with stator assembly 200 and the plug-in end 202 connected with external interface, reduced the multiple electrical connection demand in traditional design, only need to connect stator assembly 200 with connecting piece 20 to can, thereby simplified the assembly process of motor 1000, reduced the quantity of connecting point, reduced the risk of failure due to poor contact or looseness, further improve the yield of electric appliance, reduce the installation space of electric appliance.

[0107] In the description of the utility model, it is understood that the orientation or positional relationship indicated by 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" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0108] In addition, the terms "first" and "second" are only for descriptive purposes, 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" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0109] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0110] In the description of the present specification, the description referring to 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. Furthermore, 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 mutual contradiction.

[0111] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An electric machine characterized in that, include: Stator assembly; A connector assembly having mating positions of N, N≥4, the connector assembly including connectors of M, M≤N, each connector having a connecting end and a mating end, the connecting end being electrically connected to a stator assembly and / or electronic components, the mating end being located within the connector assembly and extending to the mating position, the mating end being used for electrical connection to an external interface.

2. The electric machine of claim 1, wherein, The connection end is connected to the stator assembly and / or the electronic components by welding.

3. The electric machine of claim 2, wherein, The connector assembly includes a connector base, the connector is a power connector, the stator assembly has a stator winding, the stator winding has a connecting lead, and the connecting lead is connected to and electrically connected to the connecting end of the power connector.

4. The electric machine of claim 3, wherein, A limiting flange is formed around the periphery of the connecting end, and a wire groove is formed on the limiting flange.

5. The electric machine of claim 3, wherein, An intermediate portion is formed between the connecting end and the plug-in end, and a fixing groove is formed on the connector base, with the intermediate portion disposed within the fixing groove.

6. The electric machine of claim 5, wherein, The connector base has a placement portion, and the connection end is disposed on the placement portion.

7. The electric machine of claim 6, wherein, The connector base has a lead wire fixing part, which is located on opposite sides of the placement part.

8. The electric machine of claim 7, wherein, The connector base has a cutting and fixing part, which is located at the free end of the connecting lead.

9. The electric machine of claim 8, wherein, The cutting and fixing part is snapped into place with the free end of the connecting lead.

10. The electric machine of claim 8, wherein, The connector base includes a base body and a connector body, which are integrally formed, or the base body and the connector body are detachably connected.

11. The electric machine of claim 10, wherein, The power connectors include multiple components, which are arranged at intervals on the base. The fixing slots and the placement parts are arranged in a one-to-one correspondence with the power connectors.

12. The electric machine of claim 2, wherein, The connector assembly includes a connector base, the connector is a grounding connector, the connecting end of the grounding connector is connected to the stator core of the stator assembly, a reinforcing portion is formed between the connecting end of the grounding connector and the plug-in end of the grounding connector, the connector base has a grounding through hole, and the reinforcing portion is located in the grounding through hole.

13. The electric machine of claim 12, wherein, The connector base has a first boss, and the grounding through hole passes through the first boss.

14. The electric machine of claim 6, wherein, The connector assembly further includes: a housing, which is disposed on the connector base, a first sealing surface is formed around the periphery of the fixing groove, and a second sealing surface is formed on the housing, wherein the first sealing surface and the second sealing surface are in contact.

15. The electric machine of claim 14, wherein, The connector base has a second boss, the fixing groove is formed on the second boss, the side surface of the second boss away from the connector base is formed as a first sealing surface, the housing has a third boss, the side surface of the third boss away from the housing is formed as a second sealing surface, and the second boss and the third boss are arranged correspondingly.

16. The electric machine of claim 15, wherein, A fixing rib is formed on the third protrusion, and the fixing rib extends into the fixing groove and abuts against the middle part.

17. The electric machine of claim 16, wherein, The fixed groove is formed with a first guide surface, the first guide surface is arranged in connection with the first sealing surface, the fixed protruding rib is formed with a second guide surface, and the fixed protruding rib and the fixed groove are guided by the first guide surface and the second guide surface.

18. The electric machine of claim 14, wherein, The housing is formed with a sealing groove, and the sealing groove is arranged corresponding to the placing portion in the arrangement direction of the housing and the connector base.

19. The electric machine of claim 18, wherein, The sealing groove is filled with injection molding material.

20. The electric machine of any of claims 3-19, wherein, The connector base is formed of an insulating material.

21. The electric machine of any of claims 14-19, wherein, The housing is formed with a plurality of accommodating grooves, the plurality of accommodating grooves are arranged at intervals, the bottom of M accommodating grooves of the plurality of accommodating grooves is formed with a terminal through hole, and the plug-in end extends into the terminal through hole.

22. The electric machine of claim 21, wherein, At least one of the plurality of accommodating grooves is formed with a fool-proof portion.

23. The electric machine of claim 21, wherein, The housing is formed with a connector boss, the plurality of accommodating grooves are formed on the connector boss, and the outer peripheral wall of the connector boss is formed with a clamping portion.

24. The electric machine of claim 23, wherein, At least part of the circumference of the housing is formed with a connector sealing surface.

25. The electric machine of claim 21, wherein, The housing is formed with an accommodating cavity, the terminal through hole is communicated with the accommodating cavity, the electronic component is a resistance terminal, the resistance terminal is arranged in the accommodating cavity and extends into the terminal through hole, and the connector assembly further comprises: a resistance element, the resistance element is located in the accommodating cavity, and two ends of the resistance element are respectively connected with the resistance terminal.

26. An electrical appliance characterized by The electric machine comprises the electric machine according to any one of claims 1-25. The fixed groove is formed with a first guide surface, the first guide surface is arranged in connection with the first sealing surface, the fixed protruding rib is formed with a second guide surface, and the fixed protruding rib and the fixed groove are guided by the first guide surface and the second guide surface. The housing is formed with a sealing groove, and the sealing groove is arranged corresponding to the placing portion in the arrangement direction of the housing and the connector base. The sealing groove is filled with injection molding material. The connector base is formed of an insulating material. The housing is formed with a plurality of accommodating grooves, the plurality of accommodating grooves are arranged at intervals, the bottom of M accommodating grooves of the plurality of accommodating grooves is formed with a terminal through hole, and the plug-in end extends into the terminal through hole. At least one of the plurality of accommodating grooves is formed with a fool-proof portion. The housing is formed with a connector boss, the plurality of accommodating grooves are formed on the connector boss, and the outer peripheral wall of the connector boss is formed with a clamping portion. At least part of the circumference of the housing is formed with a connector sealing surface. The housing is formed with an accommodating cavity, the terminal through hole is communicated with the accommodating cavity, the electronic component is a resistance terminal, the resistance terminal is arranged in the accommodating cavity and extends into the terminal through hole, and the connector assembly further comprises: a resistance element, the resistance element is located in the accommodating cavity, and two ends of the resistance element are respectively connected with the resistance terminal. The electric machine comprises the electric machine according to any one of claims 1-25.

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