Insulation frame structure, stator, motor and air conditioner
By setting fixing grooves on the positioning components and using an insulating skeleton structure with piercing and conductive components, the risk of wire damage and complicated wiring problems caused by non-fixed wire ends during the transportation and assembly of conventional modular stators are solved, thus achieving stable fixing and efficient wiring of the stator windings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-08-23
- Publication Date
- 2026-03-13
AI Technical Summary
During the transportation and assembly of conventional modular stators, the numerous and unfixed enameled wire ends can easily lead to wire damage, and the wiring process is cumbersome, affecting production efficiency.
An insulating frame structure is adopted, and multiple protrusions are set on the positioning component to form a fixing groove to fix the end of the stator winding. The piercing component and conductive component are used to achieve stable fixing and conduction of the winding, simplifying the wiring process.
It improves the stability and production efficiency of stator windings, reduces the risk of wire damage, simplifies the wiring process, reduces material waste, and improves production and wiring efficiency.
Smart Images

Figure CN115473368B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of motor technology, and in particular to an insulating frame structure, a stator, a motor, and an air conditioner. Background Technology
[0002] Modular stators offer high material utilization and effectively address the production challenges associated with high slot fill rates. They also significantly improve winding efficiency and are widely used due to their low production cost. However, conventional modular stators involve assembling the components into a circle before wiring, resulting in numerous and complex enameled wires. While conventional wiring processes connect all necessary wires sequentially according to wiring logic, the numerous and unfixed wire ends can easily interfere with operations during transport and assembly, posing a risk of wire damage. Summary of the Invention
[0003] The purpose of this application is to provide an insulating frame structure, a stator, a motor, and an air conditioner. This insulating frame structure is easy to assemble and transport, and can also prevent wire damage.
[0004] Therefore, in a first aspect, embodiments of this application provide an insulating frame structure, the insulating frame structure comprising:
[0005] A body, the body being used to mate with a stator core, the body having winding mounting positions formed thereon for mate with stator windings; and
[0006] Two positioning elements are provided at intervals at the ends of the main body. The two positioning elements are respectively used to cooperate with the two ends of the stator winding. The positioning elements include a plurality of protrusions arranged at equal intervals, and a fixing groove is formed between adjacent protrusions.
[0007] In one possible implementation, the width of the fixing slot is smaller than the wire diameter of the stator winding.
[0008] In one possible implementation, the body includes a first stop and a second stop arranged at intervals, a connector is provided between the first stop and the second stop, and the outer peripheral side of the connector forms the winding mounting position;
[0009] The first stop has a first connecting part extending toward the side opposite to the second stop, and a second connecting part is vertically provided on the first connecting part. The positioning member is provided at the end of the second connecting part, and two winding posts are spaced apart on the side of the second connecting part toward the second stop.
[0010] In one possible implementation, the winding post has a teardrop-shaped, circular, or elliptical cross-section in a direction perpendicular to its own axis.
[0011] Secondly, embodiments of this application provide a stator, including:
[0012] The insulating frame structure as described in the first aspect;
[0013] Stator core, which mates with the body; and
[0014] The stator winding is installed at the winding mounting position.
[0015] In one possible implementation, an insulating mounting component connected to the main body is further included, the insulating mounting component being provided with a plurality of piercing elements for piercing the insulation of the stator winding to achieve conductivity.
[0016] In one possible implementation, each of the puncturing elements is respectively embedded in each of the fixing grooves.
[0017] In one possible implementation, the insulating skeleton structure includes a winding post, the piercing element is arranged in a Z-shape, the piercing element includes a horizontal plate, both ends of the horizontal plate are provided with side edges, and the end of the side edge facing away from the horizontal plate is provided with a folded edge; the piercing element is used to fasten onto the winding post, and piercing terminals are provided on the opposite side of both sides.
[0018] In one possible implementation, the insulating mounting component is further provided with a positioning block, which is used to wrap the outer periphery of each of the puncture parts, and the positioning block is also provided with a positioning connection groove for engaging with the folded edge.
[0019] In one possible implementation, the side has a through-hole, one end of the piercing terminal is disposed on the wall of the piercing hole, and the other end of the piercing terminal is disposed toward the winding post; the positioning block is configured to cooperate with the side and has a through-hole in the height direction of the piercing member.
[0020] In one possible implementation, each of the puncturing elements is divided into a common group and three phase groups. One of the puncturing elements in each phase group is connected to a insert. The common group and the remaining puncturing elements in each phase group are connected according to wiring continuity logic. The puncturing elements used for connection are connected to each other through conductive elements.
[0021] In one possible implementation, an electrical connector is further provided between the conductive element and the puncturing element, with one end of the electrical connector connected to the conductive element in the height direction of the puncturing element and the other end connected to the puncturing element; the heights of all electrical connectors belonging to the same group are the same, while the heights of the electrical connectors in different groups are different.
[0022] In one possible implementation, the insulating mounting component is provided with a plurality of limiting members at intervals, and the main body is provided with vertically extending limiting holes, the limiting members being used to engage with the limiting holes.
[0023] Thirdly, embodiments of this application provide an electric motor, including: a stator as described in the second aspect.
[0024] Fourthly, embodiments of this application provide an air conditioner, including: a motor as described in the third aspect.
[0025] According to the insulating frame structure, stator, motor and air conditioner provided in the embodiments of this application, the insulating frame structure forms a fixing groove between multiple protrusions, so that the end of the winding can be bent and set in the fixing groove to fix the end, which facilitates subsequent splicing and transportation and improves production efficiency. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In addition, in the drawings, the same parts use the same reference numerals, and the drawings are not drawn to scale.
[0027] Figure 1 This diagram shows the wiring schematic of a 12-slot motor.
[0028] Figure 2 The wiring logic diagram for a 12-slot motor is shown.
[0029] Figure 3 This diagram illustrates the structure of a modular stator in the prior art.
[0030] Figure 4 This diagram illustrates the structure of a modular stator after assembly in the prior art.
[0031] Figure 5 This illustration shows an axial side view (I) of an embodiment of an insulating frame structure provided in this application;
[0032] Figure 6 This illustration shows a second axial side view of an insulating frame structure provided in an embodiment of this application.
[0033] Figure 7 This illustration shows an axonal schematic diagram of a stator according to an embodiment of this application;
[0034] Figure 8 This illustration shows a schematic diagram of the structure of a stator after splicing according to an embodiment of this application (I);
[0035] Figure 9 This illustration shows a structural schematic diagram (I) of a conductive component in a stator according to an embodiment of this application;
[0036] Figure 10 Show Figure 9 A magnified view of part A in the middle;
[0037] Figure 11 This document shows a schematic diagram (II) of the structure of a conductive component in a stator according to an embodiment of this application;
[0038] Figure 12 This illustration shows a structural diagram of a stator used to embody conductive elements, according to an embodiment of this application.
[0039] Figure 13 This illustration shows a structural diagram of an electrical connection body in a stator according to an embodiment of this application.
[0040] Figure 14 This illustration shows a structural diagram of a stator for embodying a piercing terminal according to an embodiment of this application;
[0041] Figure 15 Show Figure 14 The stator shown is a cross-sectional view along the BB direction;
[0042] Figure 16 This illustration shows a schematic diagram (II) of the structure of a stator after splicing, according to an embodiment of this application;
[0043] Figure 17 This illustration shows a structural diagram of a stator used to embody a limiting member, according to an embodiment of this application.
[0044] Figure 18 This illustration shows a schematic diagram of a stator structure used to embody through holes, according to an embodiment of this application.
[0045] Explanation of reference numerals in the attached figures:
[0046] 1. Body; 101. First stop block; 102. Second stop block; 103. Connector; 104. Winding mounting position; 105. First connecting part; 106. Second connecting part; 107. Positioning hole;
[0047] 2. Positioning component; 201. Protrusion; 202. Fixing groove; 203. Winding post;
[0048] 3. Stator core; 4. Stator windings; 5. Insulation mounting components;
[0049] 6. Piercing parts; 601. Horizontal plate; 602. Side edge; 603. Folded edge; 604. Piercing terminal; 605. Piercing hole;
[0050] 7. Positioning block; 701. Positioning connecting groove; 702. Through hole;
[0051] 8. Phase group insert; 801. U-phase insert; 802. V-phase insert; 803. W-phase insert;
[0052] 9. Conductive components; 901. U-phase conductive components; 902. V-phase conductive components; 903. W-phase conductive components; 904. Common conductive components;
[0053] 10. Electrical connector; 11. Limiting element; P. Common point;
[0054] 1', Iron core; 2', Skeleton; 3', Winding. Detailed Implementation
[0055] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0056] Figure 1 This shows the wiring diagram of a 12-slot motor. Figure 2 The wiring logic diagram of a 12-slot motor is shown. For ease of description, this application uses the stator of a 12-slot star-connected motor as an example for detailed description. However, in actual use, the structure provided in this application is not limited to the stator of a 12-slot star-connected motor.
[0057] like Figures 1-2 As shown, the stator of a 12-slot star-connected motor has four coil windings for each of the U, V, and W phases. According to the wiring logic, the U1 head is the U phase, the U1 tail is connected to the U4 head, the U4 tail is connected to the U7 head, the U7 tail is connected to the U10 head, and the U10 tail is connected to the common point. The connection method of the V and W phases is the same as that of the U phase. Each of the three phases has 3 connectors, plus 1 common point P, so the entire motor stator needs to complete 10 wiring connections.
[0058] Figure 3 This diagram illustrates the structure of a modular stator in the prior art, such as... Figure 3As shown, a conventional modular stator consists of a core 1', a frame 2', and a winding 3'. The core 1' is a commonly used I-shaped modular core 1'. The frame 2' provides insulation between the core 1' and the winding 3'. The winding 3' is wound around the frame 2' and has one wire start and one wire end. When winding the winding 3' of the modular stator, the wire start and end should be long enough for convenient subsequent wiring to avoid insufficient length and increased wiring difficulty. However, excessively long enameled wire needs to be cut after wiring, resulting in wasted costs. In addition, the non-fixed enameled wire during the transfer and splicing of the stator affects the operation, poses a risk of wire damage, and affects production efficiency.
[0059] Figure 4 This diagram illustrates the structure of a pre-existing modular stator after assembly, in conjunction with... Figure 4 The 12-slot motor stator is formed by assembling 12 modular stator blocks. The entire stator has 24 wires, including both start and end wires, meaning there are 24 non-fixed enameled wires. The stator wiring process requires connecting these 24 wires at 10 points according to a wiring logic, ensuring each wire is connected in an orderly manner. First, for ease of wiring, the start and end wires on each modular stator block need to be of sufficient length, which is inconvenient during transportation and stator assembly, and can easily damage the wires. Second, completing 10 connections for 24 wires involves time-consuming and labor-intensive conventional procedures such as distinguishing enameled wires, organizing enameled wires, routing wires, secondary cutting, removing enamel, splicing enameled wires, insulating the joints, and fixing them. In addition, for easier assembly, one of the modular stator blocks' windings 3' needs to be defined as U1, and V2-W12 need to be defined sequentially to distinguish the enameled wires and connections according to the wiring logic. The assembly process involves numerous procedures and is time-consuming.
[0060] Figure 5 This illustration shows an axial side view (I) of an embodiment of an insulating frame structure provided in this application, as shown. Figure 5 As shown, this application embodiment provides an insulating frame structure, including a body 1 and positioning members 2. The body 1 is used to cooperate with the stator core 3. A winding mounting position 104 is formed on the body 1, and the winding mounting position 104 is used to cooperate with the stator winding 4. Two positioning members 2 are provided at intervals at the ends of the body 1. The two positioning members 2 are respectively used to cooperate with the two ends of the stator winding 4. The positioning member 2 includes a plurality of protrusions 201 arranged at equal intervals, and a fixing groove 202 is formed between adjacent protrusions 201.
[0061] The end of the stator winding 4 is bent and wound in the fixing groove 202, and the stator winding 4 is fixed by the fixing groove 202. This solves the problem that the stator winding 4 is not fixed at the end, which makes it easy to affect the operation and production efficiency during assembly and transportation.
[0062] Specifically, the plurality of protrusions 201 includes at least two protrusions 201. Two spaced protrusions 201 form a fixing groove 202 between them, thereby limiting and fixing the end of the stator winding 4. Optionally, at least three protrusions 201 are provided. These three spaced protrusions form two spaced fixing grooves 202, allowing the end of the stator winding 4 to bend and wrap around the two fixing grooves in an S-shaped curve, ensuring the reliability of the fixing of the end of the stator winding 4. Furthermore, to improve the fixing effect, four, five, or even more protrusions 201 can be provided. This application only describes an example with three protrusions 201.
[0063] Optionally, when three or more protrusions 201 are provided, the height of each protrusion 201 is the same. For example, the two protrusions 201 located at the two edges are at the same height, and the height of the remaining protrusions 201 located in the middle part is lower than the height of the protrusions 201 located at the two edges. This ensures the reliability of fixing the end of the stator winding 4 while facilitating the winding of the end of the stator winding 4 in the fixing groove 202.
[0064] Optionally, the width of the fixing slot 202 is smaller than the wire diameter of the stator winding 4 to ensure the fixing effect of the fixing slot 202 on the stator winding 4. It should be noted that the width of the fixing slot 202 mentioned here is the distance between two adjacent protrusions 201.
[0065] Reference Figure 5 and Figure 6 As shown, the main body 1 includes a first stop 101 and a second stop 102 spaced apart, with a connector 103 between the first stop 101 and the second stop 102. The outer periphery of the connector 103 forms the winding mounting position 104. In specific installation, the main body 1 can be fitted onto the stator core 3 vertically to achieve a mating with the stator core 3. Alternatively, the main body 1 can be directly molded onto the stator core 3 with plastic coating to achieve a mating with the stator core 3. The specific connection method between the main body 1 and the stator core 3 is not limited in this application. The stator winding 4 is wound around the outer periphery of the connector 103 to fix the stator winding 4 to the winding mounting position 104.
[0066] The main body 1 is provided with a mounting position component, which is located on the side of the first stop 101 away from the second stop 102. The positioning member 2 is provided on the mounting position component to realize that the end of the stator winding 4 is avoided from the stator winding 4, so as to facilitate the installation and winding of the stator winding 4 on the winding mounting position 104.
[0067] Specifically, the mounting assembly includes a first connecting portion 105 and a second connecting portion 106 connected to each other. The first connecting portion 105 is disposed at the end of the first stop 101 and extends toward the side opposite to the second stop 102. The second connecting portion 106 is disposed perpendicular to the first connecting portion 105. The positioning member 2 is disposed at the end of the second connecting portion 106. Two winding posts 203 are spaced apart on the side of the second connecting portion 106 facing the second stop 102. By setting the winding posts 203, after the end of the stator winding 4 is positioned and fixed in the fixing groove 202, a certain length of winding is wound on the winding posts 203 before winding on the winding mounting position 104, so that the stator winding 4 can withstand a certain tension, ensuring stability and reliability during the winding process.
[0068] Optionally, the winding post 203 is disposed on the side of the first connecting portion 105 facing the second stop 102, so that after the end of the stator winding 4 is fixed, the stator winding 4 can be easily disposed on the winding mounting position 104. Preferably, the length of the winding post 203 does not exceed the length of the first connecting portion 105, so as to avoid interference of the winding post 203 with the positioning winding during the winding process.
[0069] Specifically, the winding post 203 has a closed cross-section without angles in the direction perpendicular to its own axis, thereby effectively preventing wire damage after the stator winding 4 is wound. Optionally, the cross-section of the winding post 203 in the direction perpendicular to its own axis is teardrop-shaped, circular, or elliptical.
[0070] Figure 7 This illustration shows an isometric view of a stator according to an embodiment of this application. Figure 8 This illustration shows a schematic diagram (I) of a stator spliced according to an embodiment of this application, with reference to... Figures 7-8 As shown in the embodiments of this application, a stator is also provided, which includes a stator core 3, a stator winding 4, and the insulating frame structure described in the foregoing embodiments. The stator core 3 cooperates with the body 1, while the stator winding 4 is mounted on the winding mounting position 104. Since this stator has the insulating frame structure provided in the foregoing embodiments, it also has the effects of the aforementioned insulating frame structure, which will not be elaborated further in this application.
[0071] Reference Figures 7-9In some embodiments, the stator further includes an insulating mounting member 5 connected to the body 1. The insulating mounting member 5 is provided with multiple piercing elements 6, which are used to pierce the insulation of the stator winding 4 to achieve conductivity. Conductivity is achieved by piercing the insulation of the enameled wire in the stator winding 4, facilitating connection between wire ends and improving wiring efficiency. Specifically, the number of piercing elements 6 should be at least the same as the number of ends of the stator winding 4, and each piercing element 6 is connected to each end of the stator winding 4 to achieve stator wiring conductivity. Optionally, the number of piercing elements 6 is a multiple of the number of ends of the stator winding 4, and the number of piercing elements 6 is at least twice the number of ends of the stator winding 4 to ensure connection effectiveness.
[0072] Optionally, each of the piercing elements 6 is embedded in each of the fixing grooves 202, and the piercing element 6 pierces the stator winding 4 located in the fixing groove 202.
[0073] Reference Figure 14 Optionally, when the insulating frame structure includes a winding post 203, the piercing member 6 is used to cooperate with the upper half of the winding post 203. In this case, by fastening the piercing member 6 above the winding post 203, the piercing member 6 can pierce the stator winding 4 wire sheath when installed downwards. Similarly, the piercing member 6 can also be used to cooperate with the outer periphery of the winding post 203, so that the piercing member 6 is fastened to the winding post 203 along the axial direction of the winding post 203 and pierces the stator winding 4 wire sheath during installation, thereby achieving conductivity.
[0074] It should be noted that the piercing element 6 can be any structure that cooperates with the winding post 203, and the piercing element 6 can also achieve the effect of piercing the wire sheath of the stator winding 4 during the installation process. Those skilled in the art can choose any structure of the piercing element 6 that cooperates with the winding post 203 based on the structure in the prior art. Since the structure of the winding post 203 is not unique, this embodiment does not limit the structure of the piercing element 6.
[0075] Optionally, the piercing element 6 is shaped like a "Z" and includes a horizontal plate 601. Both ends of the horizontal plate 601 have side edges 602, and the end of each side edge 602 facing away from the horizontal plate 601 has a folded edge 603. The piercing element 6 is used to fasten onto the winding post 203, and each of the two side edges 602 has a piercing terminal 604 on its opposite side. The piercing element 6 engages vertically with the winding post 203. When the piercing element 6 is installed with the winding post 203, the piercing element 6 moves downwards from directly above the winding post 203, thus fastening the piercing element 6 onto the top of the winding post 203. Simultaneously, the piercing terminal 604 is inserted into the stator winding 4 located within the winding post 203, thereby piercing the insulation of the stator winding 4.
[0076] Optionally, the side 602 is provided with two piercing terminals 604 at intervals in its own extending direction. Each side 602 is provided with two piercing terminals 604 facing the winding post 203, which can pierce the wire sheath of the stator winding 4 when assembled with the winding post 203. The left and right sides below the piercing member 6 are provided with outward folded sides to increase the structural strength of the piercing terminal 604.
[0077] Reference Figure 14 and Figure 18 The insulating mounting component 5 is further provided with a positioning block 7, which is used to wrap around the outer periphery of each of the piercing parts 6. The positioning block 7 is also provided with a positioning connecting groove 701 for engaging with the folded edge 603. The positioning block 7 increases the strength of the piercing part 6, ensuring the force exerted by the piercing part 6 when it moves downward and engages with the winding post 203, and ensuring that the piercing terminal 604 can be stably inserted into the stator winding 4. The positioning connecting groove 701 wraps around the folded edge 603 to ensure the installation strength of the folded edge 603. The positioning block 7 also supports the piercing part 6 to withstand the installation pressure and ensures that the piercing part 6 will not deform under pressure and fail to pierce the wire sheath of the stator winding 4.
[0078] The insulating frame structure is installed on the stator core 3, and the stator winding 4 is installed in the winding mounting position 104 on the body 1 through the winding wire. During production, the end of the enameled wire of the stator winding 4 is first bent into a Z-shape and fixed in the two fixing slots 202 of one of the positioning parts 2 on the main body 1. The end of the stator winding 4 located on this positioning part 2 is defined as the end of the stator winding 4. The protrusion 201 can effectively hold the end of the enameled wire of the stator winding 4. Then, the enameled wire of the stator winding 4 is wound around one of the winding posts 203. At this time, the stator winding 4 can withstand a certain amount of tension due to the fixing slots 202 and the winding posts 203. Next, the winding machine completes the winding of the stator winding 4 in the winding mounting position 104. Then, the other end of the stator winding 4, that is, the end of the stator winding 4, is wound around another winding post 203. Finally, the end of the stator winding 4 is also bent into a Z-shape and fixed in the fixing slot 202 in another positioning part 2, thereby completing the production of one stator.
[0079] A stator serves as the smallest assembly unit for the next process of assembling multiple stators into a circle. Compared to conventional stator blocks with long, irregular wire ends in existing technologies, the stator provided in this application not only reduces the risk of damage to the enameled wire of the stator windings and decreases the difficulty of transportation, but also effectively avoids the impact of excess wire length on the stator assembly process, and eliminates the need for secondary cutting, thus avoiding material waste. Figure 8As shown, in the overall structure after the stator is spliced into a circle, the stator is neat and beautiful, with no fixed stator windings 4. At this time, the stator does not distinguish between phases, and each stator is the same. There is no need to define or distinguish them, and there is no need to manage the stator windings 4.
[0080] Reference Figures 7-18 In some embodiments, the side 602 has a through-hole 605, one end of the piercing terminal 604 is disposed on the wall of the piercing hole 605, and the other end of the piercing terminal 604 is disposed towards the winding post 203; the positioning block 7, which is used to cooperate with the side 602, has a through-hole 702 in the height direction of the piercing member 6. During the process of piercing the stator winding 4, metal shavings may be generated. With the setting of the piercing hole 605 and the through-hole 702, the metal shavings will move towards the through-hole 702 through the piercing hole 605, and the top of the through-hole 702 can remove the metal shavings located in the through-hole 702. Specifically, conventional high-pressure air guns can be used on the production line to easily remove shavings and other foreign objects that may be generated, solving the hidden danger of metal shavings affecting the quality of the stator.
[0081] Reference Figures 12-16 In some embodiments, each of the piercing elements 6 is divided into a common group and three phase groups. One of the piercing elements 6 in each phase group is connected to a phase group insert 8. The common group and the remaining piercing elements 6 in each phase group are connected according to wiring continuity logic. The piercing elements 6 used for connection are connected to each other through conductive elements 9. As an example, the conductive elements 9 are arranged in an arc shape so that the conductive elements 9 used to connect the piercing elements 6 in the same group can form a circle or a similar circular structure, thereby facilitating cooperation with the stator spliced into a circle.
[0082] Specifically, the phase group insert 8 includes a U-phase insert 801, a V-phase insert 802, and a W-phase insert 803. The U-phase insert 801, V-phase insert 802, and W-phase insert 803 have the same structure. The phase group insert 8 is provided with a protruding insulating mounting piece 5 for subsequent connection of a power line with a horizontal or vertical insertion terminal. The piercing piece 6 connected to the U-phase insert 801 is defined as the u1 head, the piercing piece 6 connected to the V-phase insert 802 is defined as the v2 head, and the piercing piece 6 connected to the W-phase insert 803 is defined as the w3 head.
[0083] Similarly, the conductive element 9 includes a U-phase conductive element 901, a V-phase conductive element 902, a W-phase conductive element 903, and a common conductive element 904. The U-phase conductive element 901, the V-phase conductive element 902, and the W-phase conductive element 903 have the same structure. As an example, in a 12-slot motor, there are three of each of the U-phase conductive element 901, the V-phase conductive element 902, and the W-phase conductive element 903. The three U-phase conductive elements 901 are respectively the first U-phase conductive element, the second U-phase conductive element, and the third U-phase conductive element. The three V-phase conductive elements 902 are respectively the first V-phase conductive element, the second V-phase conductive element, and the third V-phase conductive element. The three W-phase conductive elements 903 are respectively the first W-phase conductive element, the second W-phase conductive element, and the third W-phase conductive element. The piercing elements 6 connected to the first U-phase conductive element are defined as u1 tail and u4 head, the piercing elements 6 connected to the second U-phase conductive element are defined as u4 tail and u7 head, and the piercing elements 6 connected to the third U-phase conductive element are defined as u7 tail and u10 head; similarly, the V-phase conductive element 902 and the W-phase conductive element 903 are defined as follows, such as Figure 12 As shown. Furthermore, the common conductive component 904 also has an arc-shaped structure. Three piercing components 6 are connected to the common conductive component 904 at intervals, namely the U10 tail, V11 tail, and W12 tail. The connection logic of each conductive component 9 is consistent with the motor wiring connection logic, which can be referred to... Figure 1 and Figure 2 .
[0084] Specifically, the conductive component 9 is located inside the insulating mounting component 5, which protects it. The phase group insert 8 and the piercing component 6, connected to the conductive component 9, protrude from the insulating mounting component 5 to facilitate their connection with other components. Both the phase group insert 8 and the conductive component 9 are manufactured by stamping sheet metal parts, a mature and cost-effective production process. The conductive component 9 and the insulating mounting component 5 are then injection molded into corresponding molds to produce an integrated component structure. The insulating mounting component 5 exhibits orderly internal conductivity and external insulation, a mature and cost-effective encapsulation and injection molding process.
[0085] Optionally, an electrical connector 10 is further provided between the conductive element 9 and the puncture element 6. One end of the electrical connector 10 is connected to the conductive element 9 in the height direction of the puncture element 6, and the other end is connected to the puncture element 6. The heights of all electrical connectors 10 within the same group are the same, while the heights of electrical connectors 10 in different groups are different. Due to the different heights of the electrical connectors 103 in different groups, when multiple puncture elements 6 are located at the same height on the insulating mounting 5, the conductive elements 9 belonging to different groups are staggered and insulated from each other inside the insulating mounting 5. Similarly, the thicknesses of the electrical connectors 10 in different groups are also different. The thickness of the electrical connector 10 refers to the dimension of the electrical connector 10 in the radial direction of the stator assembly when the various stators are spliced together to form a circular stator assembly. This allows multiple conductive elements 9 to be staggered on the insulating mounting 5, making the internal structure of the insulating mounting 5 more compact and reducing the volume of the insulating mounting 5. It should be noted that there are a total of 24 piercing pieces 6 connected to the 10 conductive parts 9 and the 3 phase group inserts 8. All the piercing pieces 6 are distributed radially in a ring on the same horizontal plane. The spacing and position correspond to the winding posts 203 on the 24 stator windings 4 spliced from the wound stator for cooperating with the wire ends and the winding posts 203 for cooperating with the wire ends.
[0086] Reference Figures 9-11 In some embodiments, the insulating mounting member 5 is provided with a plurality of limiting members 11 at intervals, and the body 1 is provided with vertically extending limiting holes. The limiting members 11 are used to engage with the limiting holes so that the insulating mounting member 5 moves vertically to engage the limiting members 11 in the limiting holes, thereby installing the insulating mounting member 5 on the body 1. During the vertical movement, the piercing member 6 can also be positioned on the winding post 203 to achieve conduction between the conductive member 9 and the stator winding 4.
[0087] Combination Figure 6 and Figure 17Specifically, a limiting hole is vertically formed in the first connecting portion 105. The first connecting portion 105 extends towards the side of the first stop 101 away from the second stop 102. The second connecting portion 106 is located at the end of the first connecting portion 105 away from the first stop 101 and extends upward, forming a groove-shaped space between the lower part of the first connecting portion 105 and the first stop 101. The insulating mounting member 5 is installed above the first connecting portion 105, and the end of the limiting member 11 on the insulating mounting member 5 engages with the limiting hole through vertical movement, allowing the end of the limiting member 11 to pass through the limiting hole and reside within the aforementioned groove-shaped space, thereby achieving a snap-fit engagement between the limiting member 11 and the limiting hole. For example, the limiting member 11 can be a snap-fit structure, such as a buckle, to achieve connection and fixation between the insulating mounting member 5 and the body 1. Optionally, the limiting member 11 is an elastic member, facilitating installation and disassembly and improving work efficiency.
[0088] Optionally, multiple limiting members 11 are evenly distributed around the periphery of the insulating mounting member 5, and the arrangement of multiple limiting members 11 ensures the reliability of the connection between the insulating mounting member 5 and the body 1. For example, four limiting members 11 are provided.
[0089] In summary, the stator provided in this application uses a mechanically automated production method to fix the two ends of the stator winding 4, replacing the original modular stator with a section of enameled wire ends attached. This solution not only solves the problems of inconvenient transportation and modular assembly, but also, after aligning the limiting member 11 with the limiting hole, only the insulating mounting member 5 needs to be pressed horizontally downwards to engage each limiting member 11 with the limiting hole. The insulating mounting member 5 and the main body 1 are assembled into a reliable and stable stator assembly. The piercing terminal 604 of the piercing member 6 pierces the enameled wire wound on the winding post 203, achieving orderly conduction of all stator windings 4 according to the motor wiring logic in one step. The overall installation is simple and reliable, and the corresponding winding, stamping, and injection molding processes are mature. This reduces the number of originally 24 non-fixed enameled wire ends of the stator winding 4, and connects the enameled wire ends of 10 stator windings 4 that require wiring in one go, simplifying the process and reducing working time.
[0090] Reference Figures 1-18 As shown in the figure, this application embodiment also provides an electric motor, which includes a stator as described above.
[0091] Reference Figures 1-18 As shown in the figure, this application embodiment also provides an air conditioner, which includes the motor as described above.
[0092] It should be noted that the terms "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., mentioned in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.
[0093] It should be readily understood that the terms “on,” “above,” and “on top of” in this disclosure should be interpreted in the broadest possible sense, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on something” but also “on something” without an intermediate feature or layer therebetween (i.e., directly on something).
[0094] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.
[0095] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. An insulating frame structure, characterized in that, include: Body (1), the body (1) is used to cooperate with stator core (3), and a winding mounting position (104) is formed on the body (1), the winding mounting position (104) is used to cooperate with stator winding (4); The main body (1) includes a first stop (101) and a second stop (102) spaced apart, and a connector (103) is provided between the first stop (101) and the second stop (102). The outer periphery of the connector (103) forms the winding mounting position (104). The first stop (101) has a first connecting portion (105) extending toward the side opposite to the second stop (102) at its end. A second connecting portion (106) is vertically arranged on the first connecting portion (105). A positioning member (2) is disposed at the end of the second connecting portion (106). Two winding posts (203) are spaced apart on the side of the second connecting portion (106) facing the second stop (102). Positioning member (2) is provided at two intervals at the end of the body (1). The two positioning members (2) are respectively used to cooperate with the two ends of the stator winding (4). The positioning member (2) includes a plurality of protrusions (201) arranged at equal intervals. A fixing groove (202) is formed between adjacent protrusions (201). The fixing groove is used to fix the end of the winding.
2. The insulating frame structure according to claim 1, characterized in that, The width of the fixed slot (202) is smaller than the wire diameter of the stator winding (4).
3. The insulating frame structure according to claim 2, characterized in that, The winding post (203) has a teardrop-shaped, circular, or elliptical cross-section perpendicular to its own axis.
4. A stator, characterized in that, include: The insulating skeleton structure as described in any one of claims 1-3; The stator core (3) is fitted with the body (1); as well as The stator winding (4) is installed on the winding mounting position (104).
5. The stator according to claim 4, characterized in that, It also includes an insulating mounting component (5) connected to the main body (1), the insulating mounting component (5) being provided with a plurality of piercing components (6), the piercing components (6) being used to pierce the insulation of the stator winding (4) to achieve conduction.
6. The stator according to claim 5, characterized in that, Each of the puncturing elements (6) is respectively embedded in each of the fixing grooves (202).
7. The stator according to claim 5, characterized in that, The insulating frame structure includes a winding post (203), and the piercing element (6) is arranged in a Z-shape. The piercing element (6) includes a horizontal plate (601), and both ends of the horizontal plate (601) are provided with side edges (602). The side edge (602) facing away from the horizontal plate (601) is provided with a folded edge (603). The piercing element (6) is used to fasten onto the winding post (203), and both sides (602) are provided with piercing terminals (604) on opposite sides.
8. The stator according to claim 7, characterized in that, The insulating mounting component (5) is also provided with a positioning block (7), which is used to wrap the outer periphery of each of the puncture parts (6). The positioning block (7) is also provided with a positioning connecting groove (701) for fitting and cooperating with the folded edge (603).
9. The stator according to claim 8, characterized in that, The side (602) is provided with a piercing hole (605), one end of the piercing terminal (604) is disposed on the wall surface of the piercing hole (605), and the other end of the piercing terminal (604) is disposed towards the winding post (203); the positioning block (7) is used to cooperate with the side (602) and is provided with a through hole (702) in the height direction of the piercing member (6).
10. The stator according to claim 5, characterized in that, Each of the piercing elements (6) is divided into a common group and three phase groups. One of the piercing elements (6) in each phase group is connected to a phase group insert (8). The common group and the remaining piercing elements (6) in each phase group are connected according to the wiring connection logic. The piercing elements (6) used for connection are connected to each other through conductive elements (9).
11. The stator according to claim 10, characterized in that, An electrical connector (10) is also provided between the conductive element (9) and the piercing element (6). One end of the electrical connector (10) is connected to the conductive element (9) in the height direction of the piercing element (6), and the other end is connected to the piercing element (6). The heights of the electrical connectors (10) in the same group are the same, and the heights of the electrical connectors (10) in different groups are different.
12. The stator according to any one of claims 5-11, characterized in that, The insulating mounting component (5) is provided with a plurality of limiting components (11) at intervals, and the main body (1) is provided with vertical limiting holes, and the limiting components (11) are used to engage with the limiting holes.
13. An electric motor, characterized in that, include: The stator as described in any one of claims 4-12.
14. An air conditioner, characterized in that, include: The motor as described in claim 13.
Citation Information
Patent Citations
Stator wiring assembly, stator assembly and motor
CN113381546A
Coil framework structure
CN210136773U
Stator structure and lifting actuator using same
CN216904483U
Insulation framework structure, stator, motor and air conditioner
CN218301059U