CN209896859U - Generator with heat dissipation ribs - Google Patents
Generator with heat dissipation ribs Download PDFInfo
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- CN209896859U CN209896859U CN201920668961.8U CN201920668961U CN209896859U CN 209896859 U CN209896859 U CN 209896859U CN 201920668961 U CN201920668961 U CN 201920668961U CN 209896859 U CN209896859 U CN 209896859U
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- punching
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Abstract
The utility model discloses a generator with heat dissipation ribs, which comprises a generator body, a stator core, a rotor core and a rotor support block which are arranged in the generator body, the fan and the rotating shaft, the fan, the rotor core sets gradually in the rotating shaft, the rotor core includes rotor punching and sets up the rotor winding inside the rotor punching, be equipped with the through-hole on the rotor punching, be equipped with four axial recesses on the rotor core, be equipped with the rotor punching heat dissipation muscle that the unnecessary part that utilizes the punching material directly formed in the recess, the rotor kicking block sets up in the recess, be equipped with the rotor kicking block heat dissipation muscle that the unnecessary part that utilizes the punching material directly formed on the rotor kicking block, the stator core is including the stator punching that encircles the rotor punching setting and the stator winding that sets up in the stator punching, the surface of stator punching is equipped with the stator punching heat dissipation muscle that the unnecessary part that the axial utilization punched the material directly formed. The utility model discloses the radiating effect of generator is good to the utilization ratio of material has been improved.
Description
Technical Field
The utility model relates to a generator technical field, concretely relates to generator of area heat dissipation muscle.
Background
In a small and medium-sized synchronous generator, the heat dissipation design of a winding is a very important part of the design of the generator, and the heat dissipation effect of the winding directly influences the temperature rise of the winding and influences the reliability and the economy of the generator. The air-cooled generator is generally provided with a centrifugal fan at one end of a generator rotor, air enters the generator from one end of the generator through the fan, and heat generated by the stator and the rotor of the generator is taken out from the other end of the generator through the surface of the stator and the surface of the rotor of the generator, so that the purpose of heat dissipation of the stator winding and the rotor winding is achieved. Generally, no heat dissipation rib is arranged on the outer surface of the stator core and inside the rotor core, and the rotor support block is composed of a plurality of small blocks. In the generator radiating in the mode, the contact area of air with the outer surfaces of the stator core, the rotor core, the stator winding and the rotor winding is relatively small, and the radiating effect is poor.
Disclosure of Invention
The utility model discloses the problem that will solve is: the generator with the heat dissipation ribs utilizes redundant materials, is convenient to use, increases the heat dissipation areas of the rotor core, the stator winding and the rotor winding, improves the heat dissipation effect of the generator, and improves the utilization rate of the materials.
The utility model discloses a solve the technical scheme that above-mentioned problem provided and do: a generator with heat dissipation ribs comprises a generator body, and a stator core, a rotor support block, a fan and a rotating shaft which are arranged in the generator body, wherein the rotating shaft is horizontally arranged in the generator body in a rotating manner, the stator core is fixedly arranged in the generator body, the fan and the rotor core are sequentially arranged on the rotating shaft and synchronously rotate along with the rotating shaft, the rotor core comprises a rotor punching sheet and a rotor winding arranged in the rotor punching sheet, through holes matched with the rotating shaft are arranged on the rotor punching sheet, four axial grooves are arranged on the rotor core, the grooves are internally provided with rotor punching sheet heat dissipation ribs directly formed by utilizing redundant parts of punching sheet materials, the rotor support block is arranged in the grooves, and the rotor support block is provided with rotor support block heat dissipation ribs directly formed by utilizing the redundant parts of the punching sheet materials, the stator core comprises a stator punching sheet arranged around the rotor punching sheet and a stator winding arranged in the stator punching sheet, and the surface of the stator punching sheet is provided with stator punching sheet heat dissipation ribs which are formed by directly utilizing the redundant parts of punching sheet materials in the axial direction.
Preferably, the generator body comprises a front end cover, a rear end cover and a base, wherein the front end cover and the rear end cover are detachably arranged at two ends of the base through bolts respectively.
Preferably, the rotor supporting block and the rotor punching sheet have the same length.
Preferably, the stator punching heat dissipation ribs are distributed on the surface of the stator punching at intervals in a zigzag manner.
Preferably, the stator punching heat dissipation ribs are the same as the stator punching in length.
Preferably, the rotor punching heat dissipation ribs are the same as the rotor punching in length.
Compared with the prior art, the utility model has the advantages that: the utility model discloses simple structure utilizes towards unnecessary some punching of sheet material, does not need the incremental cost, and the last casting of rotor bracer has heat dissipation muscle, convenient to use's advantage. The axial fan enables cold air to pass through the heat dissipation ribs on the outer surface of the stator core, the heat dissipation ribs inside the rotor core and the heat dissipation ribs on the rotor support block, so that the heat dissipation areas of the rotor core, the stator core, the rotor winding and the stator winding are increased, and the heat dissipation effects of the rotor core, the stator core, the rotor winding and the stator winding are improved. The reliability and the economical efficiency of the generator are improved.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.
Fig. 1 is a front view of the generator of the present invention;
fig. 2 is a left side view of the generator of the present invention;
fig. 3 is a front view of the stator punching sheet of the present invention;
fig. 4 is a front view of the rotor sheet of the present invention;
FIG. 5 is a front view of the supporting block of the present invention;
fig. 6 is a left side view of the supporting block of the present invention.
The attached drawings are marked as follows: 1. the motor comprises a rotating shaft 2, a front end cover 3, a fan 4, a stator winding 5, a rotor winding 6, a stator core 7, a rotor core 8, a rotor support block 9, a machine base 10, a rear end cover 11, a stator punching sheet 12, a rotor punching sheet 13, a rotor support block heat dissipation rib 14, a stator punching sheet heat dissipation rib 15, a rotor punching sheet heat dissipation rib 16, through holes, 17 and grooves.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
A generator with heat dissipation ribs comprises a generator body, a stator core 6, a rotor core 7, a rotor support block 8, a fan 3 and a rotating shaft 1, wherein the stator core 6, the rotor core 7, the rotor support block 8, the fan 3 and the rotating shaft 1 are arranged in the generator body, the rotating shaft 1 is horizontally arranged in the generator body in a rotating mode, the stator core 6 is fixedly arranged in the generator body, the fan 3 and the rotor core 7 are sequentially arranged on the rotating shaft 1 and rotate synchronously along with the rotating shaft 1, the rotor core 7 comprises a rotor punching sheet 12 and a rotor winding 5 arranged inside the rotor punching sheet 12, a through hole 16 matched with the rotating shaft 1 is formed in the rotor punching sheet 12, four axial grooves 17 are formed in the rotor core 7, heat dissipation ribs of the rotor punching sheet 12 directly formed by utilizing redundant parts of punching sheet materials are arranged in the grooves 17, the rotor support block 8 is arranged in the, the stator core structure is characterized in that a rotor supporting block heat dissipation rib 13 which is directly formed by utilizing the redundant part of the punching sheet material is arranged on the rotor supporting block 8, the stator core 6 comprises a stator punching sheet 11 which is arranged around the rotor punching sheet 12 and a stator winding 4 which is arranged in the stator punching sheet 11, and the surface of the stator punching sheet 11 is provided with a stator punching sheet heat dissipation rib which is directly formed by utilizing the redundant part of the punching sheet material in the axial direction.
The generator body comprises a front end cover 2, a rear end cover 10 and a base 9, wherein the front end cover 2 and the rear end cover 10 are detachably arranged at two ends of the base 9 through bolts respectively.
The rotor supporting block 8 and the rotor punching sheet 12 are the same in length.
The stator punching heat dissipation ribs are distributed on the surface of the stator punching 11 at intervals in a zigzag manner.
The stator punching heat dissipation ribs are the same as the stator punching 11 in length.
The rotor punching heat dissipation ribs 15 are the same as the rotor punching 12 in length.
As shown in fig. 3, when the stator lamination 11 is punched by using a square material, four groups of stator lamination heat dissipation ribs 14 are punched by directly using redundant materials at four corners, and then the stator lamination 11 is laminated to the stator core 6 shown in fig. 1, so that the stator core 6 is formed with axial ventilation heat dissipation ribs.
As shown in fig. 4, when the rotor sheet 12 is punched, the heat dissipation ribs 15 of the rotor sheet are punched by using the excess material of the non-magnetic conduction part between the two poles, and then the rotor sheet 12 is laminated to the rotor core 7 shown in fig. 1, so that the axial ventilation and heat dissipation ribs are formed on the rotor core 7.
As shown in fig. 5 and 6, the rotor brace 8 is cast to have the same length as the rotor core 7, and the rotor brace heat dissipation ribs 13 are cast.
As shown in fig. 1 and 2, the stator core 6 embedded with the stator winding 4 is pressed into the base 9; a rotor winding 5 is wound on the rotor iron core 7, and the rotor winding 5 is tightly pressed by a rotor supporting block 8; air inlet windows are arranged on the engine base 9 and the rear end cover 10; an air outlet window is arranged on the front end cover 2; casting the centrifugal fan 3; and finally, assembling the parts and other parts to form the generator 1.
As shown in fig. 1, the heat generated by the stator winding 4 is transferred to the surface of the stator core 6 and the stator lamination heat dissipation ribs 14 by heat conduction, and then the heat is taken out by the contact of the flowing cold air with the end of the stator winding 4, the surface of the stator core 6 and the stator lamination heat dissipation ribs 14. The heat generated by the rotor winding 5 is transferred to the surface of the rotor core 7, the rotor sheet heat dissipation ribs 15 and the rotor support block heat dissipation ribs 13 through heat conduction, and then the heat is brought out through the contact of the flowing cold air with the end part of the rotor winding 5, the surface of the rotor core 7, the rotor sheet heat dissipation ribs 15 and the rotor support block heat dissipation ribs 13.
The flow direction of the cold air when the generator 1 is operated is shown by the arrow direction in fig. 1. Cold air is sucked into the generator 1 from the rear end of the base 9 and the rear end cover 10 through the fan 3, the flowing cold air is respectively contacted with the end part of the stator winding 4, the surface of the stator core 6, the radiating ribs 14 of the radiating stator punching sheet, the end part of the rotor winding 5, the surface of the rotor core 7, the radiating ribs 15 of the rotor punching sheet and the radiating ribs 13 of the rotor supporting block, and heat of the flowing cold air is taken out through an air outlet window of the front end cover 2.
Because the rotor supporting block heat radiation 13, the stator punching heat radiation rib 14 and the rotor punching heat radiation rib 15 are arranged, the heat radiation areas of the stator winding 4, the rotor winding 5, the stator iron core 6 and the rotor iron core 7 are increased, and the heat radiation effect of the generator 1 is improved. The reliability and the economy of the generator 1 are improved.
The utility model has the advantages that: the utility model discloses simple structure utilizes towards unnecessary some punching of sheet material, does not need the incremental cost, and the last casting of rotor bracer has heat dissipation muscle, convenient to use's advantage. The axial fan enables cold air to pass through the heat dissipation ribs on the outer surface of the stator core, the heat dissipation ribs inside the rotor core and the heat dissipation ribs on the rotor support block, so that the heat dissipation areas of the rotor core, the stator core, the rotor winding and the stator winding are increased, and the heat dissipation effects of the rotor core, the stator core, the rotor winding and the stator winding are improved. The reliability and the economical efficiency of the generator are improved.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.
Claims (6)
1. The utility model provides a generator of area heat dissipation muscle which characterized in that: the wind driven generator comprises a generator body, and a stator core (6), a rotor core (7), a rotor supporting block (8), a fan (3) and a rotating shaft (1) which are arranged in the generator body, wherein the rotating shaft (1) is horizontally arranged in the generator body, the stator core (6) is fixedly arranged in the generator body, the fan (3) and the rotor core (7) are sequentially arranged on the rotating shaft (1) and synchronously rotate along with the rotating shaft (1), the rotor core (7) comprises a rotor punching sheet (12) and a rotor winding (5) arranged in the rotor punching sheet (12), through holes (16) matched with the rotating shaft (1) are formed in the rotor punching sheet (12), four axial grooves (17) are formed in the rotor core (7), and rotor (12) radiating ribs which are directly formed by utilizing redundant parts of punching sheet materials are arranged in the grooves (17), rotor kicking block (8) set up in recess (17), be equipped with rotor kicking block heat dissipation muscle (13) that the unnecessary part that utilizes the punching sheet material directly formed on rotor kicking block (8), stator core (6) are in including stator punching sheet (11) and the setting that encircle rotor punching sheet (12) and set up stator winding (4) in stator punching sheet (11), the surface of stator punching sheet (11) is equipped with the stator punching sheet heat dissipation muscle that the unnecessary part of axial utilization punching sheet material directly formed.
2. The generator with the heat dissipation ribs as claimed in claim 1, wherein: the generator body comprises a front end cover (2), a rear end cover (10) and a base (9), wherein the front end cover (2) and the rear end cover (10) are detachably arranged at two ends of the base (9) through bolts respectively.
3. The generator with the heat dissipation ribs as claimed in claim 1, wherein: the rotor supporting block (8) and the rotor punching sheet (12) are the same in length.
4. The generator with the heat dissipation ribs as claimed in claim 1, wherein: the stator punching heat dissipation ribs are distributed on the surface of the stator punching (11) at intervals in a sawtooth shape.
5. The generator with the heat dissipation ribs as claimed in claim 4, wherein: the stator punching heat dissipation ribs are the same as the stator punching (11) in length.
6. The generator with the heat dissipation ribs as claimed in claim 1, wherein: the rotor punching heat dissipation ribs (15) are the same as the rotor punching (12) in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668961.8U CN209896859U (en) | 2019-05-10 | 2019-05-10 | Generator with heat dissipation ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668961.8U CN209896859U (en) | 2019-05-10 | 2019-05-10 | Generator with heat dissipation ribs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896859U true CN209896859U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920668961.8U Active CN209896859U (en) | 2019-05-10 | 2019-05-10 | Generator with heat dissipation ribs |
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| Country | Link |
|---|---|
| CN (1) | CN209896859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138143A (en) * | 2019-05-10 | 2019-08-16 | 康富科技股份有限公司 | A kind of generator with radiating ribs |
-
2019
- 2019-05-10 CN CN201920668961.8U patent/CN209896859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138143A (en) * | 2019-05-10 | 2019-08-16 | 康富科技股份有限公司 | A kind of generator with radiating ribs |
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