CN210669669U - Generator rotor - Google Patents
Generator rotor Download PDFInfo
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- CN210669669U CN210669669U CN201921578992.0U CN201921578992U CN210669669U CN 210669669 U CN210669669 U CN 210669669U CN 201921578992 U CN201921578992 U CN 201921578992U CN 210669669 U CN210669669 U CN 210669669U
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- rotor
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Abstract
The utility model provides a generator rotor, which comprises a rotor core, a winding and a winding supporting plate, wherein the winding supporting plate comprises a first plate and a second plate which form an angle with each other, and the first plate and the second plate are both provided with ventilation holes; the winding supporting plate is arranged on the rotor iron core, so that an air channel is formed between the winding supporting plate and the rotor iron core; the winding is wound on the rotor iron core, and the side surface of the winding is contacted with the winding supporting plate. The utility model directly winds the winding on the rotor iron core, reduces the heat transfer link and increases the heat dissipation area; the winding supporting plate is additionally provided with the air holes, so that heat is directly taken away, and efficient heat dissipation is realized; gaps are reserved among different layers of the winding, so that the ventilation area is increased, and efficient heat dissipation is realized; and a coil frame is eliminated, so that the structure is simple and the implementation is easy.
Description
Technical Field
The utility model relates to a generator rotor, concretely relates to be favorable to radiating generator rotor.
Background
Along with the development of mobile equipment, the power supply equipment and the automobile chassis are required to be integrated, so that the transportation unit is reduced, and the cost is saved. The generator in the power supply equipment is required to be installed under the automobile chassis, and the height of the automobile chassis from the ground is limited, so that the generator under the automobile chassis can be submerged when the automobile runs in rainy days, particularly travels in a low-lying area. Based on the requirement of driving in rainy days, the generator needs to be designed in a totally-enclosed manner, and the heat of the totally-enclosed generator is converted into heat energy from the loss generated in the operation process and mainly and intensively distributed on a winding and an iron core. In order to prevent the temperature rise of the generator from exceeding a certain value, the loss generated by the generator must be reduced on one hand, and the heat dissipation capacity of the generator must be increased on the other hand, and particularly, the rotor is required to have high-efficiency heat dissipation capacity.
Disclosure of Invention
In order to improve the heat dissipation capacity of the generator rotor, the utility model provides a new generator rotor.
The utility model provides a generator rotor, which comprises a rotor core, a winding and a winding supporting plate, wherein the winding supporting plate comprises a first plate and a second plate which form an angle with each other, and the first plate and the second plate are both provided with ventilation holes; the winding supporting plate is arranged on the rotor iron core, so that an air channel is formed between the winding supporting plate and the rotor iron core; the winding is wound on the rotor iron core, and the side surface of the winding is contacted with the winding supporting plate. Because the winding fagging with rotor core between form the ventiduct, the air can flow through in the ventiduct to take away the heat that the winding produced, realize high-efficient heat dissipation.
Further, the first plate and the second plate are at right angles to each other.
Further, the winding is provided with gaps among different layers. And gaps are reserved in the windings, so that heat dissipation is facilitated.
Furthermore, the rotor comprises a positioning rod, wherein a positioning rod hole is formed in the rotor iron core, and the positioning rod is inserted into the positioning rod hole.
Further, the device also comprises a balance ring, and the balance ring is connected with the positioning rod.
The utility model discloses technical effect includes: the winding is directly wound on the rotor iron core, so that the heat transfer link is reduced, and the heat dissipation area is increased; the winding supporting plate is additionally provided with the air holes, so that heat is directly taken away, and efficient heat dissipation is realized; gaps are reserved among different layers of the winding, so that the ventilation area is increased, and efficient heat dissipation is realized; and a coil frame is eliminated, so that the structure is simple and the implementation is easy.
Drawings
Fig. 1 is a schematic structural diagram of a generator rotor according to the present invention.
Fig. 2 is an assembly schematic diagram of the rotor core and the winding supporting plate of the present invention.
Fig. 3 is an assembly schematic view (side view) of the rotor core and the winding supporting plate of the present invention.
Fig. 4 is a schematic structural diagram of the winding supporting plate of the present invention.
The reference signs explain: 100. a rotor iron core 101, a positioning rod insertion hole 102 and a central hole; 200. winding, 201, air gap; 300. a positioning rod; 400. a gimbal ring 401, a hole; 500. a winding supporting plate 501, a first plate 502, a second plate 503 and a vent hole; 600. an air duct.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the embodiments are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, a generator rotor includes a rotor core 100, a winding 200, a positioning rod 300, a balance ring 400, and a winding support plate 500.
The rotor core 100 is formed by laminating integral punching sheets, a coil frame is omitted, namely the rotor punching sheets are designed to be integral and the rotor core 100 is formed by laminating. The rotor core 100 is provided with four positioning rod insertion holes 101 and a center hole 102.
The winding supporting plate 500 is composed of a first plate 501 and a second plate 502 which are mutually at right angles, the sides of the first plate 501 and the second plate 502 are connected together, and a plurality of vent holes 503 are arranged on the first plate 501 and the second plate 502. The four winding support plates 500 are respectively disposed between two poles of the rotor core 100, so that four air ducts 600 are formed between the winding support plates 500 and the rotor core 100, and air flows through the air ducts 600 to take heat away.
The four groups of windings 200 are directly wound on the rotor core 100, so that heat transfer links are reduced, and the direct contact increases the heat dissipation area. The four positioning rods 300 are respectively inserted into the four positioning rod insertion holes 101, the end portions of the windings 200 are bound by the positioning rods 300, and gaps are reserved among different layers of the windings 200 when the windings 200 are off-line according to levels, so that heat dissipation is accelerated. The side surfaces of the windings 200 are in contact with the winding support plate 500, and the heat of the windings 200 can be conducted away through the winding support plate 500.
The gimbal 400 is provided with a plurality of holes 401, and can be connected with the positioning rods 300 through the holes 401.
The utility model discloses a theory of operation does: the generator rotor punching is designed as an integral punching, a coil frame can be omitted, an excitation winding is directly wound on an integral iron core, and the heat dissipation area is increased; meanwhile, the winding supporting plate is additionally provided with a vent hole, so that heat is directly dissipated; and fixing the end part by using a positioning rod, shaping the end part, and keeping a gap between every two layers of the winding end part to increase the ventilation area. Through the design, the efficient heat dissipation of the generator rotor is realized, the heat dissipation capacity of the generator is improved, and the temperature rise is reduced.
Claims (5)
1. A generator rotor, characterized by: the winding supporting plate comprises a first plate and a second plate which form an angle with each other, and ventilation holes are formed in the first plate and the second plate; the winding supporting plate is arranged on the rotor iron core, so that an air channel is formed between the winding supporting plate and the rotor iron core; the winding is wound on the rotor iron core, and the side surface of the winding is contacted with the winding supporting plate.
2. Generator rotor according to claim 1, wherein: the first plate and the second plate are at right angles to each other.
3. Generator rotor according to claim 1, wherein: the winding is provided with gaps among different layers.
4. Generator rotor according to any of claims 1-3, wherein: the rotor core is provided with a positioning rod hole, and the positioning rod is inserted into the positioning rod hole.
5. Generator rotor according to claim 4, wherein: the balance ring is connected with the positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578992.0U CN210669669U (en) | 2019-09-23 | 2019-09-23 | Generator rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578992.0U CN210669669U (en) | 2019-09-23 | 2019-09-23 | Generator rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669669U true CN210669669U (en) | 2020-06-02 |
Family
ID=70814605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921578992.0U Active CN210669669U (en) | 2019-09-23 | 2019-09-23 | Generator rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640204A (en) * | 2022-03-29 | 2022-06-17 | 江西清华泰豪三波电机有限公司 | Motor end coil anti-throwing device with heat dissipation air duct |
-
2019
- 2019-09-23 CN CN201921578992.0U patent/CN210669669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114640204A (en) * | 2022-03-29 | 2022-06-17 | 江西清华泰豪三波电机有限公司 | Motor end coil anti-throwing device with heat dissipation air duct |
| CN114640204B (en) * | 2022-03-29 | 2023-06-09 | 江西清华泰豪三波电机有限公司 | Motor end coil anti-swing device with heat dissipation air duct |
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