WO2021218747A1 - Ensemble stator et moteur électrique utilisant ce dernier - Google Patents

Ensemble stator et moteur électrique utilisant ce dernier Download PDF

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Publication number
WO2021218747A1
WO2021218747A1 PCT/CN2021/088815 CN2021088815W WO2021218747A1 WO 2021218747 A1 WO2021218747 A1 WO 2021218747A1 CN 2021088815 W CN2021088815 W CN 2021088815W WO 2021218747 A1 WO2021218747 A1 WO 2021218747A1
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WO
WIPO (PCT)
Prior art keywords
stator assembly
terminal
hub
armature
terminals
Prior art date
Application number
PCT/CN2021/088815
Other languages
English (en)
Chinese (zh)
Inventor
孙宁
秦锐锋
李勇杰
赵淑丹
Original Assignee
广东德昌电机有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东德昌电机有限公司 filed Critical 广东德昌电机有限公司
Publication of WO2021218747A1 publication Critical patent/WO2021218747A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles

Definitions

  • the invention relates to the technical field of motors, and in particular to a stator assembly of a motor.
  • a motor is usually composed of a stator and a rotor assembly that rotates relative to the stator.
  • the rotor assembly is provided with permanent magnets and the stator is provided with coils.
  • the stator coil is energized to generate a changing magnetic field, which interacts with the magnetic field of the permanent magnet of the rotor assembly to push the rotor assembly to continuously rotate.
  • connection between the stator coil and the external electronic device is to draw the head and tail ends of the coil and connect to a female connector, which is plugged into the male connector of the external electronic device.
  • the lead wire of the coil and the female connector are usually movably placed on the coil, which not only easily causes the coil to wear and short circuit, but also cannot be automated in production, which greatly affects the production efficiency of the motor.
  • the present invention aims to provide a motor stator, a motor having the motor stator, and an electric compressor having the motor that can solve the above-mentioned problems.
  • the present invention provides a stator assembly, which includes an armature and a concentrating unit connected to the armature.
  • the armature includes an iron core, an insulating frame covering the iron core, and a coil wound on the insulating frame.
  • a number of first connection terminals are integrally connected to the frame, and the first connection terminals are correspondingly connected to the coils.
  • the line-collecting unit includes a line-hub and a male connector integrally connected to the line-hub.
  • the male connector is composed of a number of external terminals.
  • the stator assembly also includes a number of transfer terminals. When the hub unit is mounted to one end of the armature along the axis of the stator assembly, the first connection terminal passes The transfer terminal is electrically connected to the external terminal correspondingly.
  • the present invention also provides a motor, which includes a rotor assembly and the above-mentioned stator assembly.
  • each first connection terminal is provided with a pin extending along the axial direction of the stator assembly for connection with the transfer terminal.
  • the external terminal passes through the hub, and includes an outer end that extends beyond the hub and an inner end facing the armature;
  • the transfer terminal includes a ring-shaped body And a connecting portion extending outward from the body; the transfer terminal is fixed to the hub so that the inner end of the external terminal is correspondingly inserted into the annular body of the transfer terminal; when the When the hub unit is installed at one end of the armature, the pins of the first connection terminal are correspondingly connected to the connecting portion of the transfer terminal.
  • the connecting portion of the transfer terminal is a crimp contact.
  • each of the connecting portions includes a base plate and flanges extending oppositely from two sides of the base plate, and a slot is formed between the flange and the base plate; the pin is press-fitted in the slot to achieve The connection between the pin and the connecting portion.
  • the annular body of the adapter terminal extends an elastic piece obliquely inward, and when the inner end of the external terminal is inserted into the annular body, the elastic piece is squeezed to deform it, and the elastic piece presses against the inner end of the external terminal to make The external terminal is electrically connected with the transfer terminal.
  • the adapter terminal further includes a fixing portion, the fixing portion and the hub base are formed with corresponding assembly holes, and the fixing member connects the adapter terminal to the hub base through the assembly holes.
  • the transfer terminals are respectively integrally formed with the corresponding first connection terminals.
  • the hub base is integrally injection molded, and the external terminals are integrally embedded in the hub base when the hub base is formed.
  • the insulating frame is integrally molded by injection molding, and the first connection terminal is integrally embedded on the insulating frame by insert molding.
  • the iron core includes a ring-shaped yoke portion and a plurality of tooth portions extending radially inward from the yoke portion;
  • a number of outlet slots are formed on the outer wall surface, and the transition wires of the coils between the respective teeth are fixed in the outlet slots.
  • the outer diameter of the connection part of the insulating frame is smaller than the outer diameter of the iron core
  • the hub is stacked on the iron core and surrounds the connection part
  • the hub is formed with a positioning block
  • the iron core is formed with a positioning groove corresponding to the positioning block, and the positioning block is inserted into the positioning groove to position the armature and the line-collecting unit in the circumferential direction.
  • the first connection terminal further includes a first hook
  • the coil is divided into a plurality of phases, the coils of the same phase are connected in series, and the head end of the coil of each phase is connected to the first terminal of one of the first connection terminals.
  • the hooks are connected, and the tail ends of the coils of each phase are electrically connected to each other.
  • a plurality of second connection terminals are also fixed on the insulating frame of the armature, these second connection terminals are electrically connected to each other, and the tail ends of the coils of each phase are respectively connected to one of the second connection terminals .
  • the stator assembly of the motor of the present invention is integrally equipped with a first terminal and a second terminal on its insulating frame, and at the same time is equipped with a male connector and a rotary connecting the male connector and the first terminal on the collecting unit. Terminal, so the connection between the coil of the stator assembly and the external electronic device is a fixed structure, which not only avoids the short circuit problem caused by the wear of the coil, but also enables the production and assembly of the stator assembly to be fully automated, which greatly improves Increased production efficiency.
  • Fig. 1 is a schematic diagram of a motor according to an embodiment of the present invention.
  • Fig. 2 is another angle view of the stator assembly of the motor shown in Fig. 1.
  • Fig. 2a is an exploded view of the stator assembly shown in Fig. 2.
  • Fig. 3 is a further exploded view of the armature of the stator assembly shown in Fig. 2a.
  • Fig. 4 is a schematic diagram of the structure of the insulating frame of the armature shown in Fig. 3.
  • FIG. 5 is a schematic diagram of the structure of the first connection terminal of the armature shown in FIG. 3.
  • FIG. 6 is a schematic diagram of the structure of the second connection terminal of the armature shown in FIG. 3.
  • Fig. 7 is a further exploded view of the hub unit of the stator assembly shown in Fig. 2a.
  • Fig. 8 is another angle view of Fig. 7.
  • Fig. 9 is an assembly diagram of external terminals and transfer terminals of the hub unit shown in Fig. 7.
  • a motor according to an embodiment of the present invention includes a stator assembly 100 and a rotor assembly 200.
  • the rotor assembly 200 is rotatably disposed in the stator assembly 100 to jointly form an inner rotor motor.
  • the stator assembly 100 includes an armature 10 and a hub unit 20, and the armature 10 is mechanically connected to the hub unit 20 and forms an electrical connection.
  • the armature 10 includes an iron core 11, a coil 12 wound on the iron core 11, an insulating frame 13 that isolates the iron core 11 and the coil 12, and an insulating frame 13 The first connection terminal 14 and the second connection terminal 15 on the upper side.
  • the iron core 11 is formed by stacking a number of silicon steel sheets, including a ring-shaped yoke 110, and a number of teeth 112 extending radially inward from the yoke 110. The teeth 112 extend along the iron core.
  • stator assembly 100 of the present invention is used in a three-phase motor, and the number of the teeth 112 is 3N, where N is an integer greater than 1. In this embodiment, the number of teeth 112 is twelve.
  • the coil 12 is wound on each tooth 112.
  • a magnetic field is generated to polarize each tooth 112, thereby forming a magnetic field and acting on the motor rotor assembly 200.
  • the coils 12 of the same phase are respectively wound on the N teeth 112 and are connected in series.
  • one-phase coil 12 is wound on the first, fourth, seventh, and tenth teeth 112; On the second, fifth, eighth, and eleventh teeth 112; one-phase coil 12 is wound on the third, sixth, ninth, and twelfth teeth 112.
  • the three-phase coil 12 is connected in a star shape, that is, the three head ends of the three-phase coil 12 are led out to form a live wire 120, and the three ends are led out to form a neutral wire 122, and the neutral wires 122 are connected together. .
  • each first connection terminal 14 is connected to one of the live wires 120, that is, connected to the head end of one of the phase coils 12.
  • the three first connection terminals 14 are arranged separately, and are isolated from each other by the insulating frame 13.
  • Each of the first connection terminals 14 includes a first body 140, and a first hook 142 and a pin 144 extending from the first body 140.
  • the first body 140 is approximately a hollow square shape, the bottom of which is fixedly inserted into the insulating frame 13, and the top of the first body 140 extends out of the insulating frame 13.
  • the pin 144 extends vertically upward from the top of the first body 140 along the axial direction of the stator assembly 100 and serves as a connection terminal of the entire armature 10 and is electrically connected to the hub unit 20.
  • the first hook 142 extends laterally outward from the top of the first body 140, and a space is formed between the first hook 142 and the first body 140 for inserting a corresponding live wire 120, that is, one of the phase coils 12 The head end.
  • the first hook 142 is opened to a certain angle relative to the first body 140 to facilitate the insertion of the live wire 120 into the first hook 142.
  • a force is applied to close the first hook 142 toward the first body 140 to clamp the live wire 120 and preliminarily fix the live wire 120 on the first connection terminal 14.
  • welding such as resistance welding, the live wire 120 and the first hook 142 are fixedly connected as a whole, and the live wire 120 is mechanically connected to the first connection terminal 14 and an electrical connection is formed.
  • each second connection terminal 15 is connected to one of the neutral wires 122.
  • the second connecting terminal 15 and the first connecting terminal 14 are spaced apart and separated from each other by the insulating frame 13.
  • Each of the second connection terminals 15 includes a second body 150 and a second hook 152 extending from the second body 150.
  • the second body 150 is roughly hollow and square, the bottom of which is fixedly inserted into the insulating frame 13, and the top of the second body 150 extends out of the insulating frame 13.
  • connection piece 154 is formed between the three second bodies 150, and the connection piece 154 is integrally connected to the three second connection terminals 15 so as to be respectively connected to the three second connection terminals 15
  • the three neutral wires 122 on the upper side are electrically connected together.
  • the second hook 152 extends laterally outward from the top of the second body 150, and a space is formed between the second hook 152 and the second body 150 for inserting a corresponding center line 122.
  • the second hook 152 is opened at a certain angle relative to the second body 150 to facilitate the insertion of the center line 122 into the second hook 152.
  • a force is applied to close the second hook 152 toward the second body 150 to clamp the center line 122 to form a preliminary fixation.
  • welding such as resistance welding, the center line 122 and the second hook 152 are fixedly connected into one body, and the center line 122 is mechanically connected to the second connection terminal 15 and electrically connected.
  • the insulating frame 13 is an integral plastic part made by injection molding.
  • the iron core 11, the first connection terminal 14, and the second connection terminal 15 are fixed at a predetermined position of the mold during the molding process.
  • the frame 13 is integrally connected to the iron core 11, the first connection terminal 14, and the second connection terminal 15 while being molded, that is, the first connection terminal 14 and the second connection terminal 15 are fixed to the insulation by insert molding. ⁇ 13.
  • the insulating frame 13 includes an isolation portion 130 covering each tooth portion 112 of the iron core 11 and a ring-shaped connecting portion 132 formed on the axial side end of the yoke portion 110.
  • the coil 12 is wound on the isolation portion 130 and is insulated from the iron core 11.
  • the wiring part 132 is used for the lead-out and fixation of the live wire 120 and the neutral wire 122.
  • the connecting portion 132 is formed with a plurality of protrusions 134 protruding upward in the axial direction, and the number and positions of the protrusions 134 respectively correspond to the teeth 112 of the iron core 11.
  • the bumps 134 are arranged at intervals in the circumferential direction, and an interval is formed between adjacent bumps 134.
  • the first connection terminal 14 and the second connection terminal 15 are respectively inserted into one of the bumps 134 of the connection portion 132.
  • Each outlet slot 136 is formed on the radially outer wall surface of each protrusion 134, and the three outlet grooves 136 are arranged in sequence along the axial direction of the protrusion 134, and each outlet groove 136 is used for winding the coil 12 of one phase. .
  • Each coil 12 in each phase is sequentially wound on N teeth 112 at intervals. After winding one of the teeth 112, the coil 12 passes out from the interval at the corresponding bump 134, and runs along the corresponding After one of the outlet grooves 136 extends over the teeth 112 of the remaining two-phase coils 12, the gap at the corresponding protrusion 134 penetrates inward to the next tooth 112 for winding. In this way, the transition lines between the N tooth portions 112 of the respective phase coils 12 will not cross the transition lines of other phase coils 12, effectively avoiding winding, wear and the like of the coils 12 of each phase.
  • the hub unit 20 includes a hub base 22 and an external terminal 24 and a transfer terminal 26 fixedly disposed on the hub base 22.
  • each external terminal 24 is electrically connected to a transfer terminal 26.
  • Each of the external terminals 24 is in the shape of a longitudinally long column, one end (hereinafter referred to as the inner end) is located in the hub 22 and connected to the transfer terminal 26; the other end (hereinafter referred to as the outer end) extends out of the hub 22 , Connect with external electronic devices.
  • the three external terminals 24 are arranged side by side to form a male connector.
  • the male connector 24 serves as the connection terminal of the entire stator assembly 100 and can be directly plugged into a female connector of an external electronic device.
  • the hub base 22 is an integral plastic part formed by injection molding, the external terminal 24 is fixed at a predetermined position of the mold during molding, and the hub base 22 is embedded and integrally fixed to the external terminal 24 during molding. Inside the hub 22, that is, the external terminals 24 are fixed to the hub 22 by insert molding.
  • the hub 22 has a substantially annular structure as a whole, and is covered on the connection portion 132 of the insulating frame 13, and each transfer terminal 26 is electrically connected to a pin 144 of a first connection terminal 14.
  • the outer diameter of the connecting portion 132 of the insulating frame 13 is smaller than the outer diameter of the iron core 11, and the hub 22 is disposed on the iron core 11 and surrounds the connecting portion 132.
  • a positioning block 28 is formed extending downward from the hub base 22, and a positioning groove 116 corresponding to the positioning block 28 is formed on the outer peripheral surface of the iron core 11.
  • Each transfer terminal 26 is connected to a corresponding first connection terminal 14 and an external terminal 24, so that the three live wires 120 of the coil 12 are respectively connected to the three external terminals 24 of the male connector.
  • the transfer terminal 26 includes a hollow ring-shaped body 260, and a fixing portion 261 and a connecting portion 262 extending outward from the ring-shaped body 260.
  • the annular body 260 of the transfer terminal 26 is a square ring, which is inserted into the inner end of the external terminal 24 to form an electrical connection.
  • an elastic piece 263 is arranged in the annular body 260, and the elastic piece 263 is inclined at a certain angle with respect to the axial direction of the external terminal 24, and the inner end of the external terminal 24 is squeezed during insertion into the annular body 260 The elastic piece 263 deforms and expands, and the elastic piece 263 is pressed tightly against the inner end of the external terminal 24 to ensure stable contact between the transfer terminal 26 and the external terminal 24.
  • the elastic piece 263 extends obliquely downward from the top end of one side of the annular body 260 toward the center of the annular body 260, and the space between the elastic piece 263 and the annular body 260 is along the direction in which the external terminal 24 is inserted.
  • the size of is gradually reduced, and a minimum space size is formed between the bottom end of the elastic piece 263 and the annular body 260, which is smaller than the size of the inner end of the external terminal 24.
  • the connecting portion 262 and the fixing portion 261 are respectively formed on opposite ends of the ring body 260 and are respectively located on opposite sides of the ring body 260.
  • the connecting portion 262 is formed at the top end of the annular body 260 and is located radially outside of the annular body 260.
  • the connecting portion 262 is a crimp contact, which is formed with a slot 264 corresponding to the pin 144 of the corresponding first connection terminal 14.
  • the size of the slot 264 is smaller than the size of the pin 144, and the pin 144 is inserted into the slot 264 by pressing, and the two form a tight fit to ensure the connection between the first connection terminal 14 and the transfer terminal 26 Stable contact.
  • the connecting portion 262 includes a base plate 265 and flanges 266 bent at opposite sides of the base plate 265.
  • the slot 264 is formed between the flange 266 and the base plate 265, and the pin 144 is inserted into the slot.
  • the folded edge 266 is slightly deformed to open and clamp the pin 144.
  • the fixing portion 261 is formed at the bottom end of the annular body 260 and located at the radial inner side of the annular body 260 for connecting with the hub base 22.
  • a first fixing hole 23 is formed on the hub 22, and a second fixing hole 267 is formed on the fixing portion 261 correspondingly.
  • the transfer terminal 26 is first fixed on the hub 22 so that the external terminal 24 is plugged into the annular body 260 of the transfer terminal 26, and then the hub When the unit 20 is installed on the armature 10, the connection between the transfer terminal 26 and the first connection terminal 24 is realized.
  • the transfer terminal 26 can also be fixed to the armature 10 first.
  • the transfer terminal 26 and the corresponding first connection terminal 24 are respectively integrally formed, and then the assembly line When the unit 20 is installed on the armature 10, the external terminal 24 is plugged into the transfer terminal 26 to realize electrical connection.
  • the hub base 22 is further formed with a first assembling hole 29, and correspondingly, a second assembling hole 139 is formed on the bump 134 of the insulating frame 13 of the armature 10.
  • the hub unit 20 and the armature 10 are assembled, they are first positioned in the circumferential direction through the positioning block 28 and the positioning slot 116 to ensure that the pin 144 of each first connection terminal 14 is inserted into the mating transfer terminal 26 In the slot 264 of the connecting portion 262, then fixing members such as screws, rivets, etc. are connected to the armature 10 and the hub unit 20 as a whole through the first assembly hole 29 and the second assembly hole 139 to form an integral part of the present invention.
  • Motor stator assembly 100 It should be understood that the hub base 22 and the armature 10 may also have other fixing methods, such as snaps, etc., which are not limited to this embodiment.
  • the stator assembly 100 of the present invention is integrally configured with a first terminal 14 connected to the live wire 120 of the coil 12 and a second terminal 15 connected to the neutral line 122 on the insulating frame 13 of its armature 10; at the same time, the stator assembly 100 of the present invention
  • the connection between the terminals 24, such as the connection between the coil 12 of the stator assembly 100 and external electronic devices, includes the lead wire of the coil 12, the first/second connection terminals 14, 15, the transfer terminal 26, and the external terminal 24.
  • the lead wires and other components will not move relative to each other, which not only avoids the short circuit problem caused by coil wear, but also enables the production and assembly of the stator assembly 100 to be fully automated, which greatly improves the production efficiency .
  • the outer wall surface of the protrusion 134 of the insulating frame 13 is formed with outlet grooves 136 corresponding to the three-phase coils 12, and the transition lines between the teeth 112 of each phase coil 12 are fixed in the outlet grooves 136 and along the outlet grooves 136. Extension can effectively prevent the transition wires of each phase coil 12 from crossing, winding, or relative movement, and avoiding short circuits caused by wear of each phase coil 12. There is no need to install additional fixed structures or insulating structures between the phase coils 12, which further simplifies the structure , Save process.
  • the lead wire of the coil 12 is electrically connected to the male connector 24 through the first/second connection terminals 14, 15 and the transfer terminal 26.
  • the male connector 24 serves as the connecting part of the entire stator assembly 100. That is to say, the stator assembly 100 of the present invention has its own male connector, which can be directly plugged into the female connector of an external electronic device, which facilitates the connection of the motor stator assembly 100 of the present invention with other electronic devices.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

Est décrit un moteur électrique comprenant un ensemble rotor et un ensemble stator. L'ensemble stator comprend une armature et une unité de concentration de lignes connectée à l'armature ; l'armature comprend un noyau de fer, un cadre isolant recouvrant le noyau de fer et une bobine enroulée autour du cadre isolant, le cadre isolant étant connecté d'un seul tenant à une pluralité de premières bornes de câblage, et les premières bornes de câblage étant connectées de manière correspondante à la bobine ; l'unité de concentration de lignes comprend un siège de concentration de lignes et un connecteur mâle connecté d'un seul tenant au siège de concentration de lignes ; le connecteur mâle est composé d'une pluralité de bornes externes ; et l'ensemble stator comprend en outre une pluralité de bornes d'adaptation. Lorsque l'unité de concentration de lignes est installée au niveau d'une extrémité de l'armature dans la direction axiale de l'ensemble stator, les premières bornes de câblage sont connectées de manière correspondante et électriquement aux bornes externes au moyen des bornes d'adaptation, de sorte que le problème de court-circuit provoqué par l'abrasion de la bobine est évité, l'ensemble stator peut également être automatiquement produit et assemblé et l'efficacité de production est considérablement améliorée.
PCT/CN2021/088815 2020-04-29 2021-04-21 Ensemble stator et moteur électrique utilisant ce dernier WO2021218747A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010359389.4 2020-04-29
CN202010359389.4A CN113572280A (zh) 2020-04-29 2020-04-29 定子组件及使用该定子组件的电机

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Publication Number Publication Date
WO2021218747A1 true WO2021218747A1 (fr) 2021-11-04

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PCT/CN2021/088815 WO2021218747A1 (fr) 2020-04-29 2021-04-21 Ensemble stator et moteur électrique utilisant ce dernier

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WO (1) WO2021218747A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115694032A (zh) * 2022-11-14 2023-02-03 佛山市威灵洗涤电机制造有限公司 定子组件及电机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110080062A1 (en) * 2009-10-01 2011-04-07 Donghee Industrial Co., Ltd. Brushless dc motor for fuel pump
CN104218699A (zh) * 2014-08-19 2014-12-17 广东威灵电机制造有限公司 电机及电机的制造方法
CN208461570U (zh) * 2018-05-26 2019-02-01 宁波贞观电器有限公司 一种牵引器电机端子
CN110890826A (zh) * 2019-11-25 2020-03-17 江苏朗信电气有限公司 一种汽车散热风扇用无刷电机定子总成

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110080062A1 (en) * 2009-10-01 2011-04-07 Donghee Industrial Co., Ltd. Brushless dc motor for fuel pump
CN104218699A (zh) * 2014-08-19 2014-12-17 广东威灵电机制造有限公司 电机及电机的制造方法
CN208461570U (zh) * 2018-05-26 2019-02-01 宁波贞观电器有限公司 一种牵引器电机端子
CN110890826A (zh) * 2019-11-25 2020-03-17 江苏朗信电气有限公司 一种汽车散热风扇用无刷电机定子总成

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