CN220342113U - Stator structure of direct current motor - Google Patents
Stator structure of direct current motor Download PDFInfo
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- CN220342113U CN220342113U CN202321879013.1U CN202321879013U CN220342113U CN 220342113 U CN220342113 U CN 220342113U CN 202321879013 U CN202321879013 U CN 202321879013U CN 220342113 U CN220342113 U CN 220342113U
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- stator yoke
- stator
- electromagnetic wire
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- yoke
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a stator structure of a direct current motor, which relates to the technical field of direct current motors and comprises an expanded iron core, an electromagnetic wire U, an electromagnetic wire V and an electromagnetic wire W, wherein the expanded iron core comprises a plurality of stator yokes, and the plurality of stator yokes comprise a first stator yoke, a second stator yoke, a third stator yoke, a fourth stator yoke, a fifth stator yoke, a sixth stator yoke, a seventh stator yoke, an eighth stator yoke and a ninth stator yoke which are sequentially connected from one end of the expanded iron core; the three-phase electromagnetic wire U, the electromagnetic wire V and the electromagnetic wire W are respectively arranged in the bottom groove, the middle groove and the top groove in a penetrating way, the bottom groove, the middle groove and the top groove are arranged in parallel and are connected with the corresponding electromagnetic coils through the wire holes on the arc wire-running table, the electromagnetic wire U, the electromagnetic wire V and the electromagnetic wire W do not cross, and the groove walls of the bottom groove, the middle groove and the top groove are isolated, so that the creepage distance among the three-phase electromagnetic wire U, the electromagnetic wire V and the electromagnetic wire W and the electric insulation strength among turns are improved.
Description
Technical Field
The utility model relates to the technical field of direct current motors, in particular to a stator structure of a direct current motor.
Background
A dc motor refers to a rotating electrical machine that can convert dc electric energy into mechanical energy (a dc motor) or convert mechanical energy into dc electric energy (a dc generator). The motor can realize the mutual conversion of direct-current electric energy and mechanical energy. When the motor is operated as a DC motor, the motor converts electric energy into mechanical energy; when the generator operates as a direct current generator, mechanical energy is converted into electric energy.
The main structure of the direct current motor comprises a stator and a rotor, wherein the stator is in a static state when the motor operates, three-phase electromagnetic wires U, V and W of the existing stator structure are all arranged in a wire passing groove, the three-phase electromagnetic wires are mutually staggered and lapped together, so that the inter-turn electrical insulation strength between the creepage distance and the phase lines is reduced, when the three-phase electromagnetic wires are electrified, the three-phase electromagnetic wires can generate heat at high temperature when higher current flows in the three-phase electromagnetic wires, the current between the phase lines is easy to interfere with each other, and inter-turn short circuit between the phase lines is caused when the current is severe.
Disclosure of Invention
The present utility model solves the problems of the prior art with the following technical structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the stator structure of the direct current motor comprises an expanded iron core, an electromagnetic wire U, an electromagnetic wire V and an electromagnetic wire W, wherein the expanded iron core comprises a plurality of stator yokes, the plurality of stator yokes comprise a first stator yoke, a second stator yoke, a third stator yoke, a fourth stator yoke, a fifth stator yoke, a sixth stator yoke, a seventh stator yoke, an eighth stator yoke and a ninth stator yoke which are sequentially connected from one end of the expanded iron core, and the first stator yoke is connected with the ninth stator yoke;
electromagnetic coils are arranged on the inner sides of the stator yokes;
the arc-shaped wire-walking tables are arranged on the same side end surfaces of the plurality of stator yokes, bottom grooves are formed in the outer annular surfaces of the arc-shaped wire-walking tables on the first stator yoke, the second stator yoke, the third stator yoke, the fourth stator yoke, the fifth stator yoke, the sixth stator yoke, the seventh stator yoke and the eighth stator yoke, middle grooves are formed in the outer annular surfaces of the arc-shaped wire-walking tables on the third stator yoke, the fourth stator yoke, the fifth stator yoke, the sixth stator yoke, the seventh stator yoke, the eighth stator yoke and the ninth stator yoke, and top grooves are formed in the outer annular surfaces of the arc-shaped wire-walking tables on the third stator yoke, the fourth stator yoke, the fifth stator yoke, the sixth stator yoke, the seventh stator yoke and the eighth stator yoke;
the electromagnetic wire U sequentially passes through all bottom grooves and is connected with electromagnetic coils on the first stator yoke, the fourth stator yoke and the seventh stator yoke, the electromagnetic wire V sequentially passes through all middle grooves and is connected with electromagnetic coils on the second stator yoke, the fifth stator yoke and the eighth stator yoke, and the electromagnetic wire W sequentially passes through all top grooves and is connected with electromagnetic coils on the third stator yoke, the sixth stator yoke and the ninth stator yoke.
It is further characterized in that,
the stator yoke comprises an outer arc plate, an inner arc plate and a connecting plate, wherein the outer arc plate and the inner arc plate are respectively arranged on two sides of the connecting plate, the electromagnetic coil is wound on the connecting plate, the arc-shaped wiring table is arranged on the outer arc plate, and a plurality of outer arc plates are sequentially connected to form a complete stator ring.
The bottom grooves are all located on the same plane, the middle grooves are all located on the same plane, and the top grooves are all located on the same plane.
The bottom groove, the middle groove and the top groove are all arranged in parallel.
And the arc-shaped wiring platforms are provided with wire passing holes.
The arc-shaped wiring table is arranged on the stator yoke through injection molding.
The outer arc plate suspension end on the first stator yoke is provided with a bump, the outer arc plate suspension end on the ninth stator yoke is provided with a groove, and the bump is clamped in the groove and fixed through welding.
The structure of the utility model can achieve the following beneficial effects:
(1) Three-phase electromagnetic wire U, electromagnetic wire V and electromagnetic wire W set up respectively at a plurality of undercut, intermediate tank, roof groove wears to establish, undercut, intermediate tank, roof groove parallel arrangement to walk the line hole on the line platform through the arc and be connected with corresponding solenoid, electromagnetic wire U, electromagnetic wire V and electromagnetic wire W do not cross, and in addition undercut, intermediate tank, roof groove's cell wall is isolated, has consequently improved the creepage distance and the electric insulation intensity between turn-to-turn between three-phase electromagnetic wire U, electromagnetic wire V and the electromagnetic wire W.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present embodiment;
fig. 2 is a schematic structural view of the embodiment after the end face of one side is unfolded;
FIG. 3 is a schematic view of the structure of the outer side annulus after being expanded;
fig. 4 is a schematic structural view of a plurality of stator yokes in the present embodiment;
fig. 5 is a schematic structural view of a stator yoke in the present embodiment.
In the figure: 1. a first stator yoke; 11. a bump; 2. a second stator yoke; 3. a third stator yoke; 4. a fourth stator yoke; 5. a fifth stator yoke; 6. a sixth stator yoke; 7. a seventh stator yoke; 8. an eighth stator yoke; 9. a ninth stator yoke; 91. a groove; 100. a bottom groove; 110. a middle groove; 120. and a top groove.
Detailed Description
In the first embodiment, referring to the stator structure of the dc motor shown in fig. 1 to 5, the stator structure includes an expanded iron core, an electromagnetic wire U, an electromagnetic wire V, and an electromagnetic wire W, the expanded iron core includes a plurality of stator yokes including a first stator yoke 1, a second stator yoke 2, a third stator yoke 3, a fourth stator yoke 4, a fifth stator yoke 5, a sixth stator yoke 6, a seventh stator yoke 7, an eighth stator yoke 8, and a ninth stator yoke 9 sequentially connected from one end of the expanded iron core, and the first stator yoke 1 is connected to the ninth stator yoke 9;
electromagnetic coils are arranged on the inner sides of the stator yokes;
the same side end surfaces of the plurality of stator yokes are respectively provided with an arc-shaped wiring table, the outer side annular surfaces of the arc-shaped wiring tables on the first stator yoke 1, the second stator yoke 2, the third stator yoke 3, the fourth stator yoke 4, the fifth stator yoke 5, the sixth stator yoke 6 and the seventh stator yoke 7 are respectively provided with a bottom groove 100, the outer side annular surfaces of the arc-shaped wiring tables on the second stator yoke 2, the third stator yoke 3, the fourth stator yoke 4, the fifth stator yoke 5, the sixth stator yoke 6, the seventh stator yoke 7 and the eighth stator yoke 8 are respectively provided with a middle groove 110, the outer side annular surfaces of the arc-shaped wiring tables on the third stator yoke 3, the fourth stator yoke 4, the fifth stator yoke 5, the sixth stator yoke 6, the seventh stator yoke 7, the eighth stator yoke 8 and the ninth stator yoke 9 are respectively provided with a top groove 120, the plurality of bottom slots 100 are all positioned on the same plane, the plurality of middle slots 110 are all positioned on the same plane, the plurality of top slots 120 are all positioned on the same plane, the bottom slots 100, the middle slots 110 and the top slots 120 are all arranged in parallel, the arc-shaped wiring table is provided with a wire passing hole 160, the wire passing hole 160 is used for connecting a magnetic induction wire with a magnetic induction coil (as shown in fig. 3, only the wire passing hole 160 on one stator yoke is marked in the drawing, and in the actual use process, the shape of the wire passing hole 160 on each stator yoke and the position on the arc-shaped wiring table are all selected to be the optimal shape and position according to the actual situation);
the electromagnetic wire U sequentially passes through all bottom slots 100 and is connected with electromagnetic coils on the first stator yoke 1, the fourth stator yoke 4 and the seventh stator yoke 7, the electromagnetic wire V sequentially passes through all middle slots 110 and is connected with electromagnetic coils on the second stator yoke 2, the fifth stator yoke 5 and the eighth stator yoke 8, and the electromagnetic wire W sequentially passes through all top slots 120 and is connected with electromagnetic coils on the third stator yoke 3, the sixth stator yoke 6 and the ninth stator yoke 9.
Based on the above structure, three-phase electromagnetic wire U, electromagnetic wire V and electromagnetic wire W are respectively arranged in a plurality of bottom slots 100, middle slots 110 and top slots 120 in a penetrating way, bottom slots 100, middle slots 110 and top slots 120 are arranged in parallel, and are connected with corresponding electromagnetic coils through wire holes on an arc wire-laying table, electromagnetic wire U, electromagnetic wire V and electromagnetic wire W are not crossed, and the walls of bottom slots 100, middle slots 110 and top slots 120 are isolated, so that the creepage distance and the inter-turn electrical insulation strength between three-phase electromagnetic wire U, electromagnetic wire V and electromagnetic wire W are improved.
The stator yoke includes an outer arc plate 130, an inner arc plate 150, and a connecting plate 140, the outer arc plate 130 and the inner arc plate 150 are respectively disposed at two sides of the connecting plate 140, the electromagnetic coil is wound on the connecting plate 140, the arc-shaped wiring table is mounted on the outer arc plate 130, the plurality of outer arc plates 130 are sequentially connected to form a complete stator ring, and the outer arc plates 130 and the inner arc plates 150 on two sides are used for fixing the electromagnetic coil by winding the electromagnetic coil on the connecting plate 140.
The arc-shaped wiring table is arranged on the stator yoke through injection molding, and is connected through injection molding, so that the connection is more fastened.
Wherein, the outer arc plate 130 suspension end on the first stator yoke 1 is provided with a bump 11, the outer arc plate 130 suspension end on the ninth stator yoke 9 is provided with a groove 91, the bump 11 is clamped in the groove 91 and is welded and fixed in the groove 91 by welding, and the bump 11 is welded in the groove 91 by welding, so that the connection is fastened, and the appearance integrity of the stator is not damaged.
The working principle of the utility model is as follows: three-phase electromagnetic wire U, electromagnetic wire V and electromagnetic wire W set up respectively at a plurality of base tank 100, intermediate tank 110, roof tank 120 wears to establish, base tank 100, intermediate tank 110, roof tank 120 parallel arrangement to walk the line hole on the line platform through the arc and be connected with corresponding solenoid, electromagnetic wire U, electromagnetic wire V and electromagnetic wire W do not cross, and in addition base tank 100, intermediate tank 110, roof tank 120's cell wall is isolated, has consequently improved creepage distance and turn-to-turn electric insulation intensity between three-phase electromagnetic wire U, electromagnetic wire V and the electromagnetic wire W.
The above are only preferred embodiments of the present application, and the present utility model is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present utility model are deemed to be included within the scope of the present utility model.
Claims (7)
1. The stator structure of the direct current motor is characterized by comprising an expanded iron core, an electromagnetic wire U, an electromagnetic wire V and an electromagnetic wire W, wherein the expanded iron core comprises a plurality of stator yokes, the plurality of stator yokes comprise a first stator yoke (1), a second stator yoke (2), a third stator yoke (3), a fourth stator yoke (4), a fifth stator yoke (5), a sixth stator yoke (6), a seventh stator yoke (7), an eighth stator yoke (8) and a ninth stator yoke (9) which are sequentially connected from one end of the expanded iron core, and the first stator yoke (1) is connected with the ninth stator yoke (9);
electromagnetic coils are arranged on the inner sides of the stator yokes;
the arc-shaped wire-walking tables are arranged on the same side end surfaces of the plurality of stator yokes, bottom grooves (100) are formed in the outer annular surfaces of the arc-shaped wire-walking tables on the first stator yoke (1), the second stator yoke (2), the third stator yoke (3), the fourth stator yoke (4), the fifth stator yoke (5), the sixth stator yoke (6) and the seventh stator yoke (7), top grooves (120) are formed in the outer annular surfaces of the arc-shaped wire-walking tables on the second stator yoke (2), the third stator yoke (3), the fourth stator yoke (4), the fifth stator yoke (5), the sixth stator yoke (6), the seventh stator yoke (7), the eighth stator yoke (8) and the ninth stator yoke (9);
the electromagnetic wire U sequentially passes through all bottom grooves (100) and is connected with electromagnetic coils on the first stator yoke (1), the fourth stator yoke (4) and the seventh stator yoke (7), the electromagnetic wire V sequentially passes through all middle grooves (110) and is connected with electromagnetic coils on the second stator yoke (2), the fifth stator yoke (5) and the eighth stator yoke (8), and the electromagnetic wire W sequentially passes through all top grooves (120) and is connected with electromagnetic coils on the third stator yoke (3), the sixth stator yoke (6) and the ninth stator yoke (9).
2. A stator structure of a direct current motor according to claim 1, characterized in that: the stator yoke comprises an outer arc plate (130), an inner arc plate (150) and a connecting plate (140), wherein the outer arc plate (130) and the inner arc plate (150) are respectively arranged on two sides of the connecting plate (140), the electromagnetic coil is wound on the connecting plate (140), the arc-shaped wiring table is arranged on the outer arc plate (130), and a plurality of outer arc plates (130) are sequentially connected to form a complete stator ring.
3. A stator structure of a direct current motor according to claim 1, characterized in that: the plurality of bottom grooves (100) are all on the same plane, the plurality of middle grooves (110) are all on the same plane, and the plurality of top grooves (120) are all on the same plane.
4. A stator structure of a direct current motor according to claim 3, characterized in that: the bottom groove (100), the middle groove (110) and the top groove (120) are all arranged in parallel.
5. A stator structure of a direct current motor according to claim 1, characterized in that: and the arc-shaped wiring platforms are provided with wire through holes (160).
6. A stator structure of a direct current motor according to claim 2, characterized in that: the arc-shaped wiring table is arranged on the stator yoke through injection molding.
7. A stator structure of a direct current motor according to claim 2, characterized in that: the outer arc plate (130) suspension end on the first stator yoke (1) is provided with a bump (11), the outer arc plate (130) suspension end on the ninth stator yoke (9) is provided with a groove (91), and the bump (11) is clamped in the groove (91) and fixed through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879013.1U CN220342113U (en) | 2023-07-17 | 2023-07-17 | Stator structure of direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321879013.1U CN220342113U (en) | 2023-07-17 | 2023-07-17 | Stator structure of direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220342113U true CN220342113U (en) | 2024-01-12 |
Family
ID=89445939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321879013.1U Active CN220342113U (en) | 2023-07-17 | 2023-07-17 | Stator structure of direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220342113U (en) |
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2023
- 2023-07-17 CN CN202321879013.1U patent/CN220342113U/en active Active
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