CN111146892B - Contact pin winding type motor stator and motor - Google Patents
Contact pin winding type motor stator and motor Download PDFInfo
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- CN111146892B CN111146892B CN201911358704.5A CN201911358704A CN111146892B CN 111146892 B CN111146892 B CN 111146892B CN 201911358704 A CN201911358704 A CN 201911358704A CN 111146892 B CN111146892 B CN 111146892B
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- 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
- H02K3/28—Layout of windings or of connections between windings
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- 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
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention relates to the technical field of motors and discloses a contact pin winding type motor stator and a motor. The pin-winding type motor stator includes: the stator core comprises a plurality of layers of stator slots and a stator yoke part; the contact pin winding is wound in the stator slot and provided with three phases, each phase of contact pin winding comprises two parallel winding units, each winding unit is formed by connecting in series in a forward and reverse wave winding mode, and each winding unit penetrates through the multilayer stator slot. The pin winding of the pin winding type motor stator provided by the invention adopts forward and reverse wave winding modes, so that the current distribution of the conductor in the stator slot forms a certain phase difference, the skin effect of the motor in high-speed operation is effectively inhibited, meanwhile, the connection arrangement of the windings is optimized, the half-turn length of all coils in the windings is shortened, the sectional area of a bus bar is increased, the alternating current resistance and the loss of the windings are obviously reduced, and the working efficiency of the motor is improved. The winding scheme with the phase difference reduces 30W compared with the alternating current loss without the phase difference.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a pin winding type motor stator and a motor.
Background
The motor is provided with a stator and a mover that moves relative to the stator. The stator of the motor may be configured with a stator core having a plurality of stator slots with stator windings wound thereon. In the prior art, when a pin winding type motor runs at a high speed, the alternating current loss of a winding is large, so that the motor generates heat seriously, and the working efficiency of the motor is low. Therefore, it is desirable to provide a pin-wound motor stator to solve the above problems.
Disclosure of Invention
The invention aims to provide a contact pin winding type motor stator and a motor, which reduce the alternating current loss of a winding and improve the working efficiency of the motor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pin-wound electric machine stator comprising:
a stator core including a plurality of layers of stator slots and a stator yoke portion;
the pin winding is wound in the stator slot and provided with three phases, each phase of the pin winding comprises two parallel winding units, each winding unit is formed by connecting the two winding units in series in a forward and reverse wave winding mode, and each winding unit penetrates through multiple layers of the stator slot.
Preferably, the winding unit is formed by connecting a plurality of coils in series, the coils are U-shaped, two ends of the coils are respectively inserted into the stator slots, and a plurality of slot pitches of the stator slots are arranged between the two ends of the coils at intervals.
Preferably, one end of the stator core is set to be a wire outlet end, the other end of the stator core is set to be a non-wire outlet end, the non-wire outlet end is provided with a welding point, and the wire outlet end is provided with a lead-out wire.
Preferably, the pitch of the outlet ends and the non-outlet ends is set to be a pitch.
Preferably, the outgoing lines include a connection line and a power supply outgoing line, the power supply outgoing line is disposed at a position close to the stator slot of the stator yoke, and the connection line is disposed at a position far away from the stator slot of the stator yoke.
Preferably, the stator slot is provided with four layers, and the first stator slot layer, the second stator slot layer, the third stator slot layer and the fourth stator slot layer are sequentially set from the stator yoke portion to the center of the stator core.
Preferably, the winding unit includes:
the coils of the first coil group are inserted in the first stator slot layer and the second stator slot layer in the forward direction, and two ends of each coil are respectively inserted in the stator slots of the first stator slot layer and the second stator slot layer;
the coils of the second coil group are inserted in the third stator slot layer and the fourth stator slot layer in the forward direction, and two ends of each coil are respectively inserted in the stator slots of the third stator slot layer and the stator slots of the fourth stator slot layer;
the coils of the third coil group are reversely inserted into the third stator slot layer and the fourth stator slot layer, and two ends of each coil are respectively inserted into the stator slots of the third stator slot layer and the fourth stator slot layer;
the coils of the fourth coil group are reversely inserted into the first stator slot layer and the second stator slot layer, and two ends of each coil are respectively inserted into the stator slots of the first stator slot layer and the second stator slot layer;
the first coil group, the second coil group, the third coil group and the fourth coil group are sequentially connected in series.
Preferably, two winding units of each phase of the pin winding are symmetrically wound in the stator slot.
Preferably, the two ends of the coil are spaced apart by a slot pitch of six stator slots.
A motor comprises the pin winding type motor stator.
The invention has the beneficial effects that:
the pin winding of the pin winding type motor stator provided by the invention adopts forward and reverse wave winding modes, so that the current distribution of the conductor in the stator slot forms a certain phase difference, the skin effect of the motor in high-speed operation is effectively inhibited, meanwhile, the connection arrangement of the windings is optimized, the half-turn length of all coils in the windings is shortened, the sectional area of a bus bar is increased, the alternating current resistance and the loss of the windings are obviously reduced, and the working efficiency of the motor is improved. Through simulation analysis, the winding scheme with the phase difference is reduced by 30W compared with the alternating current loss without the phase difference.
Drawings
Fig. 1 is a schematic structural diagram of a pin-winding type motor stator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a stator core according to an embodiment of the present invention;
FIG. 3 is a schematic connection diagram of a three-phase pin winding provided by an embodiment of the present invention;
FIG. 4 is a comparative analysis chart of AC loss with phase difference of the winding of the contact pin according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a coil according to an embodiment of the present invention;
fig. 6 is a schematic development of a pin winding provided by an embodiment of the present invention.
In the figure:
1. a stator core; 11. a stator slot; 111. a first stator slot layer; 112. a second stator slot layer; 113. a third stator slot layer; 114. a fourth stator slot layer; 12. a stator yoke;
2. inserting a pin winding; 21. a winding unit; 22. a coil;
3. a wire outlet end;
4. a non-outgoing line end;
5. an outgoing line;
6. and (7) welding points.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, 2 and 3, the present embodiment provides a pin-winding type motor stator, including a stator core 1 and a pin winding 2, where the stator core 1 includes a plurality of layers of stator slots 11 and stator yokes 12, the pin winding 2 is wound in the stator slots 11, the pin winding 2 has three phases, each phase of pin winding 2 includes two parallel winding units 21, and each winding unit 21 is formed by connecting in series in a forward and reverse wave winding manner, and each winding unit 21 penetrates through the plurality of layers of stator slots 11. The pin winding 2 adopts a forward and reverse wave winding mode to ensure that the current distribution of the conductors in the stator slot 11 forms a certain phase difference, effectively inhibits the skin effect of the motor during high-speed operation, simultaneously optimizes the winding connection arrangement to ensure that the half-turn length of all coils 22 in the winding unit 21 is shortened and the sectional area of a bus bar is increased, obviously reduces the alternating current resistance and the loss of the winding and improves the working efficiency of the motor. As shown in fig. 4, the winding scheme with phase difference is reduced by 30W compared with the ac loss without phase difference by simulation analysis.
In the present embodiment, with continued reference to fig. 1 and 2, one end of the stator core 1 is provided as a leading end 3, the other end is provided as a non-leading end 4, the non-leading end 4 is provided with a welding point 6, the leading end 3 is provided with a leading wire 5, and the leading wire 5 includes a connecting wire and a power supply leading wire. The welding point 6 is regularly positioned at the non-outgoing line end 4, so that a welding tool of a connecting line is cancelled, the welding point 6 is reduced, the interference of the outgoing line 5 to a welding coating process is avoided, the manufacturing difficulty is reduced, and the reliability and the production efficiency are improved. Furthermore, the pitch of the outgoing line end 3 and the non-outgoing line end 4 is set to be the integral pitch, the twisting process after the line plugging is favorable for realizing shorter bevel edge and projection height, the half-turn length of the winding is further shortened, and the alternating current resistance and the loss of the winding are obviously reduced.
In the present embodiment, the power supply lead wires are disposed at the stator slots 11 close to the stator yoke 12, and the connection wires are disposed at the stator slots 11 far from the stator yoke 12, so as to facilitate connection of the power supply lead wires with other external devices.
In the present embodiment, the stator slots 11 are provided in four layers, and the first stator slot layer 111, the second stator slot layer 112, the third stator slot layer 113, and the fourth stator slot layer 114 are set in this order from the stator yoke 12 toward the center of the stator core 1. The winding unit 21 is formed by connecting a plurality of coils 22 in series, as shown in fig. 5, the coils 22 are U-shaped, two ends of the coils 22 are respectively inserted into the stator slots 11, and the two ends of the coils 22 are spaced by a plurality of slot pitches of the stator slots 11. And the winding unit 21 includes a first coil group, a second coil group, a third coil group and a fourth coil group, the first coil group, the second coil group, the third coil group and the fourth coil group each include a plurality of coils 22, and the first coil group, the second coil group, the third coil group and the fourth coil group are sequentially connected in series.
The forward and reverse winding modes of the winding unit 21 are as follows: the coils 22 of the first coil group are inserted in the first stator slot layer 111 and the second stator slot layer 112 in the forward direction, and two ends of each coil 22 are respectively inserted in the stator slots 11 of the first stator slot layer 111 and the stator slots 11 of the second stator slot layer 112; the coils 22 of the second coil group are inserted in the third stator slot layer 113 and the fourth stator slot layer 114 in the forward direction, and two ends of each coil 22 are respectively inserted in the stator slots 11 of the third stator slot layer 113 and the stator slots 11 of the fourth stator slot layer 114; the coils 22 of the third coil group are reversely inserted into the third stator slot layer 113 and the fourth stator slot layer 114, and two ends of each coil 22 are respectively inserted into the stator slots 11 of the third stator slot layer 113 and the stator slots 11 of the fourth stator slot layer 114; the coils 22 of the fourth coil group are reversely inserted into the first stator slot layer 111 and the second stator slot layer 112, and two ends of each coil 22 are respectively inserted into the stator slots 11 of the first stator slot layer 111 and the stator slots 11 of the second stator slot layer 112. The molded coil 22 in the pin winding 2 provided by the embodiment has few types, including 7 types of molded lines in total for the neutral point connecting line, and the types of the molded coil 22 in the prior art generally reach more than 10 types, so that the method has the advantages of improving the production efficiency, reducing the complexity of a mold and being beneficial to large-scale production.
The winding units 21 are wound according to the above mode, and the two winding units 21 of each phase of pin winding 2 are symmetrically wound in the stator slot 11, so that the electromagnetic consistency of the motor stator is good, and the accessory alternating current loss caused by the circulation generated by the parallel branch of the winding is avoided.
As shown in fig. 6, the three-phase pin-wound motor stator in which the pin winding 2 of the present embodiment has U, V, W three phases, and the two ends of the coil 22 are separated by a slot pitch of six stator slots 11 with 8-pole 48 slots, and each stator slot 11 accommodates four layers of coils is taken as an example, and a specific winding manner of the pin winding 2 of each phase is specifically described below, but is not limited thereto.
U-phase pin winding:
the first winding unit 21 is embedded in the stator slot 11 from the first stator slot layer 111 of the 16-slot, the non-outgoing end 4 is wound to cross over 6 stator slots 11 to enter the second stator slot layer 112 of the 22-slot, the outgoing end 3 is connected to the 28-slot first stator slot layer 111 to cross over 6 stator slots 11, and the waves are wound to the 10-slot second stator slot layer 112 in sequence; the outgoing end 3 winds forward waves to cross 5 stator slots 11 to enter a third stator slot layer 113 of 15 slots, the non-outgoing end 4 crosses 6 stator slots 11 to enter a fourth stator slot layer 114 of 21 slots, and the like, and the waves wind to a 4 th layer of 9 slots; leading-out terminal 3 reversely crosses 7 stator slots 11 to enter a third stator slot layer 113 of 2 slots, and leading-out terminal 4 continuously reversely crosses 6 stator slots 11 to enter a fourth stator slot layer 114 of 44 slots, and the like, reversely wave to wind to the third stator slot layer 113 of 8 slots; the outlet end 3 crosses in reverse 5 stator slots 11 into the 3 slot second stator slot layer 112, the non-outlet end 4 crosses in reverse 6 stator slots 11 into the 45 slot first stator slot layer 111, and so on the reverse wave to the 9 slot first stator slot layer 111 from the outlet end 3 to the neutral point.
The second winding unit 21 is embedded into the stator slot 11 from the first stator slot layer 111 of slot number 15, the non-outgoing end 4 winds forward waves to cross over 6 stator slots 11 and enter the second stator slot layer 112 of slot number 21, the outgoing end 3 crosses over 6 stator slots 11 and is connected to the first stator slot layer 111 of slot number 27, and the waves wind to the second stator slot layer 112 of slot number 9; the outgoing end 3 winds around to cross 5 stator slots 11 to enter a third stator slot layer 113 of 14 slots, the non-outgoing end 4 crosses 6 stator slots 11 to enter a fourth stator slot layer 114 of 20 slots, and the like, winds around to a fourth stator slot layer 114 of 8 slots; leading-out terminal 3 reversely crosses 5 stator slots 11 to enter a third stator slot layer 113 of 3 slots, leading-out terminal 4 continuously reversely crosses 6 stator slots 11 to enter a fourth stator slot layer 114 of 45 slots, and the like, reversely wave to the third stator slot layer 113 of 9 slots; the outlet end 3 crosses in reverse 5 stator slots 11 into the 4 slot second stator slot layer 112, the non-outlet end 4 crosses in reverse 6 stator slots 11 into the 46 slot first stator slot layer 111, and so on the reverse wave to the 10 slot first stator slot layer 111 from the outlet end 3 to the neutral point.
As can be seen from the above winding manner, the two winding units 21 are symmetrically wound in the stator slot 11.
V-phase pin winding:
the first winding element 21 is embedded in stator slot 11 from the first stator slot layer 111 of slot number 32, the non-outgoing end 4 is forward waved across 6 stator slots 11 into the second stator slot layer 112 of 38 slots, the outgoing end 3 is again connected across 6 stator slots 11 to the first stator slot layer 111 of 44 slots, and so on to the second stator slot layer 112 of 26 slots, the outgoing end 3 is forward waved across 5 stator slots 11 into the third stator slot layer 113 of 31 slots, the non-outgoing end 4 is reverse waved across 6 stator slots 11 into the fourth stator slot layer 114 of 37 slots, and so on to the fourth stator slot layer 114 of 25 slots, the outgoing end 3 is reverse waved across 7 stator slots 11 into the third stator slot layer 113 of 18 slots, the non-outgoing end 4 continues reverse waved across 6 stator slots 11 into the fourth stator slot layer 114 of 12 slots, and so on to the third stator slot layer 113 of 24 slots, the outgoing end 3 is reverse waved across 5 stator slots 11 into the second stator slot layer 112, the non-outgoing terminal 4 crosses back over 6 stator slots 11 into the 13 slot first stator slot layer 111 and so on the reverse wave goes around to the 25 slot first stator slot layer 111 connecting from the outgoing terminal 3 to the neutral point.
The second winding element 21 is embedded in stator slot 11 from the first stator slot layer 111 of slot number 31, the non-outgoing end 4 is forward waved across 6 stator slots 11 into the second stator slot layer 112 of 37 slots, the outgoing end 3 is again connected across 6 stator slots 11 to the 43 slot first stator slot layer 111, and so on to the 25 slot second stator slot layer 112, the outgoing end 3 is forward waved across 5 stator slots 11 into the third stator slot layer 113 of 30 slots, the non-outgoing end 4 is reverse waved across 6 stator slots 11 into the fourth stator slot layer 114 of 36 slots, and so on to the 24 slot fourth stator slot layer 114, the outgoing end 3 is reverse waved across 5 stator slots 11 into the third stator slot layer 113 of 19 slots, the non-outgoing end 4 continues reverse waved across 6 stator slots 11 into the fourth stator slot layer 114 of 13 slots, and so on to the 25 slot third stator slot layer 113, the outgoing end 3 is reverse waved across 5 stator slots 11 into the 20 stator slot second stator slot layer 112, the non-outgoing terminal 4 crosses over 6 stator slots 11 in reverse into the 14-slot first stator slot layer 111 and so on the reverse wave is routed to the 26-slot first stator slot layer 111 from the outgoing terminal 3 to the neutral point.
As can be seen from the above winding manner, the two winding units 21 are symmetrically wound in the stator slot 11.
W-phase pin winding:
the first winding element 21 is embedded in the stator slots 11 from the first stator slot layer 111 of 24 slots, the non-outgoing end 4 is forward-waved across 6 stator slots 11 into the second stator slot layer 112 of 30 slots, the outgoing end 3 is again connected to the 36-slot first stator slot layer 111 across 6 stator slots 11, and so on to the 18-slot second stator slot layer 112, the outgoing end 3 is forward-waved across 5 stator slots 11 into the third stator slot layer 113 of 23 slots, the non-outgoing end 4 is across 6 stator slots 11 into the fourth stator slot layer 114 of 29 slots, and so on to the 17-slot fourth stator slot layer 114, the outgoing end 3 is backward-waved across 7 stator slots 11 into the third stator slot layer 113 of 10 slots, the non-outgoing end 4 continues backward-waved across 6 stator slots 11 into the fourth stator slot layer 114 of 4 slots, and so on to the third stator slot layer 113 of 16 slots, the outgoing end 3 is backward-waved across 5 stator slots 11 into the stator slot layer 112, the non-outgoing terminal 4 crosses back over 6 stator slots 11 into the 5-slot first stator slot layer 111 and so on the reverse wave goes around to the 17-slot first stator slot layer 111 connecting from the outgoing terminal 3 to the neutral point.
The second winding element 21 is embedded in the stator slot 11 from the first stator slot layer 111 of slot number 23, the non-outgoing end 4 is forward-waved across 6 stator slots 11 into the second stator slot layer 112 of slot number 29, the outgoing end 3 is again connected to the 35-slot first stator slot layer 111 across 6 stator slots 11, and so on to the 17-slot second stator slot layer 112, the outgoing end 3 is forward-waved across 5 stator slots 11 into the third stator slot layer 113 of slot number 22, the non-outgoing end 4 is reverse-waved across 6 stator slots 11 into the fourth stator slot layer 114 of slot number 28, and so on to the 16-slot fourth stator slot layer 114, the outgoing end 3 is reverse-waved across 5 stator slots 11 into the third stator slot layer 113 of slot number 11, the non-outgoing end 4 continues reverse-waved across 6 stator slots 11 into the fourth stator slot layer 114 of slot number 5, and so on to the third stator slot layer 113 of slot number 17, the outgoing end 3 is reverse-waved across 5 stator slots 11 into the stator slot layer 112, the non-outgoing terminal 4 crosses over 6 stator slots 11 in reverse into the 6 slot first stator slot layer 111 and so on the reverse wave is wound around to the 18 slot first stator slot layer 111 connecting from the outgoing terminal 3 to the neutral point.
As can be seen from the above winding manner, the two winding units 21 are symmetrically wound in the stator slot 11.
The embodiment also provides a motor which comprises the pin winding type motor stator. When the motor runs at high speed, the alternating current loss of the winding is low, the heat productivity of the motor is reduced, and the working efficiency of the motor is improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A pin-wound motor stator, comprising:
a stator core (1), the stator core (1) comprising a plurality of layers of stator slots (11) and a stator yoke (12);
the pin winding (2) is wound in the stator slot (11), three phases are arranged in the pin winding (2), each phase of the pin winding (2) comprises two parallel winding units (21), each winding unit (21) is formed by connecting in series in a forward and reverse wave winding mode, and each winding unit (21) penetrates through a plurality of layers of the stator slot (11);
the winding unit (21) is formed by connecting a plurality of coils (22) in series, the coils (22) are U-shaped, two ends of each coil (22) are respectively inserted into the stator slots (11), and the two ends of each coil (22) are spaced by the slot pitch of the corresponding stator slot (11);
the stator slots (11) are provided with four layers, and a first stator slot layer (111), a second stator slot layer (112), a third stator slot layer (113) and a fourth stator slot layer (114) are sequentially arranged from the stator yoke part (12) to the center of the stator core (1);
the winding unit (21) includes:
a first coil group, wherein the coils (22) of the first coil group are inserted into the first stator slot layer (111) and the second stator slot layer (112) in a forward direction, and two ends of each coil (22) are respectively inserted into the stator slots (11) of the first stator slot layer (111) and the stator slots (11) of the second stator slot layer (112);
the coils (22) of the second coil group are inserted into the third stator slot layer (113) and the fourth stator slot layer (114) in the forward direction, and two ends of each coil (22) are respectively inserted into the stator slots (11) of the third stator slot layer (113) and the stator slots (11) of the fourth stator slot layer (114);
a third coil group, wherein the coils (22) of the third coil group are reversely inserted into the third stator slot layer (113) and the fourth stator slot layer (114), and two ends of each coil (22) are respectively inserted into the stator slot (11) of the third stator slot layer (113) and the stator slot (11) of the fourth stator slot layer (114);
a fourth coil group, wherein the coils (22) of the fourth coil group are reversely inserted into the first stator slot layer (111) and the second stator slot layer (112), and two ends of each coil (22) are respectively inserted into the stator slot (11) of the first stator slot layer (111) and the stator slot (11) of the second stator slot layer (112);
the first coil group, the second coil group, the third coil group and the fourth coil group are sequentially connected in series.
2. A pin-wound motor stator according to claim 1, wherein one end of the stator core (1) is provided as a leading-out terminal (3) and the other end is provided as a non-leading-out terminal (4), the non-leading-out terminal (4) is provided with a welding point (6), and the leading-out terminal (3) is provided with a leading-out wire (5).
3. A pin-wound motor stator according to claim 2, wherein the pitch of the outlet terminals (3) and the non-outlet terminals (4) is set at a pitch.
4. A pin-wound motor stator according to claim 2, characterized in that the lead-out wires (5) comprise connection wires and power supply lead-out wires, the power supply lead-out wires being arranged at the stator slots (11) close to the stator yoke (12), the connection wires being arranged at the stator slots (11) remote from the stator yoke (12).
5. A pin-wound motor stator according to claim 1, wherein the two winding units (21) of the pin winding (2) of each phase are symmetrically wound in the stator slot (11).
6. A pin-wound motor stator according to claim 1, wherein the ends of the coil (22) are spaced apart by a slot pitch of six stator slots (11).
7. An electrical machine comprising a pin-wound electrical machine stator according to any of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911358704.5A CN111146892B (en) | 2019-12-25 | 2019-12-25 | Contact pin winding type motor stator and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358704.5A CN111146892B (en) | 2019-12-25 | 2019-12-25 | Contact pin winding type motor stator and motor |
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| CN111146892B true CN111146892B (en) | 2021-03-23 |
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| CN113675965B (en) * | 2020-12-07 | 2023-04-18 | 博格华纳动力驱动系统(天津)有限公司 | Motor stator and motor |
| CN112928836B (en) * | 2021-01-25 | 2022-06-21 | 中国第一汽车股份有限公司 | Pin winding type stator and motor |
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| JP2010183741A (en) * | 2009-02-05 | 2010-08-19 | Aisin Aw Co Ltd | Armature |
| CN207265764U (en) * | 2017-09-20 | 2018-04-20 | 中国第一汽车股份有限公司 | A kind of stator of winding electric machine |
| DE102017218078A1 (en) * | 2017-10-11 | 2019-04-11 | Robert Bosch Gmbh | Stator for an electric machine |
| CN209282963U (en) * | 2018-11-22 | 2019-08-20 | 中国第一汽车股份有限公司 | A kind of three-phase flat wire motor stator winding |
| CN209282964U (en) * | 2018-12-26 | 2019-08-20 | 中国第一汽车股份有限公司 | A kind of flat wire motor stator winding |
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