CN222582179U - Permanent magnet generator - Google Patents
Permanent magnet generator Download PDFInfo
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- CN222582179U CN222582179U CN202421020332.1U CN202421020332U CN222582179U CN 222582179 U CN222582179 U CN 222582179U CN 202421020332 U CN202421020332 U CN 202421020332U CN 222582179 U CN222582179 U CN 222582179U
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Abstract
The utility model discloses a permanent magnet generator, which relates to the technical field of generators and comprises a shell, wherein a fan housing is fixedly arranged at the tail end of the shell, a fan is arranged in the fan housing, a plurality of air outlet nets are fixedly arranged at the connecting part of the front end of the fan housing and the shell, and a cooling pipe is arranged on the inner wall of the shell. According to the utility model, through a mode of combining air cooling heat dissipation and water cooling heat dissipation, the heat dissipation efficiency is improved, the stable operation of the generator in a high-temperature environment is ensured, the heat dissipation structure adopts the design of the fan housing, the fan and the air outlet net, the air duct structure is simplified, the manufacturing and mounting difficulties are reduced, the cooling pipe is arranged on the inner wall of the shell, the water inlet port and the water outlet port are respectively positioned at two ends outside the shell, the circulation and the replacement of cooling water are convenient, the stator core is arranged inside the rotor, and the rotor is wrapped outside the stator core.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a permanent magnet generator.
Background
The permanent magnet generator is a power generation device and is characterized in that a permanent magnet is utilized to generate an excitation magnetic field, and the excitation magnetic field is not generated through excitation current. The permanent magnet generator mainly comprises a stator, a rotor, a rotating speed sensor, a shell, cooling parts and the like. Like an alternator, it uses the principle of electromagnetic induction that the wire cuts magnetic lines of force to induce electric potential to convert the mechanical energy of the prime mover into electric energy for output.
The heat dissipation modes of the permanent magnet generator mainly comprise air cooling heat dissipation, water cooling heat dissipation, liquid metal cooling, phase change material cooling, thermocouple heat dissipation, radiation heat dissipation and the like.
The existing permanent magnet generator air-cooling heat dissipation structure has higher air duct design requirements, and air flow needs to be ensured to smoothly flow in the generator, so that air flow short circuit or dead angle is avoided. The complexity of the duct design increases manufacturing and installation difficulties.
Therefore, it is necessary to invent a permanent magnet generator to solve the above problems.
Disclosure of Invention
The utility model aims to provide a permanent magnet generator to solve the defects in the technology.
In order to achieve the above purpose, the utility model provides a permanent magnet generator, which comprises a casing, wherein a fan housing is fixedly arranged at the tail end of the casing, a fan is arranged in the fan housing, a plurality of air outlet nets are fixedly arranged at the connecting part of the front end of the fan housing and the casing, and the permanent magnet generator further comprises:
The cooling pipe is arranged on the inner wall of the shell, and a water inlet port and a water outlet port of the cooling pipe are respectively positioned at two ends outside the shell;
The two frames are respectively and fixedly arranged on two sides of the outer part of the shell, the inner part of each frame is of a hollow structure, the two ends of each frame are provided with radiating openings, the joint of the shell and each frame is provided with a through groove, and the through grooves are connected with the radiating openings at one end of each frame.
As a preferable scheme of the utility model, a plurality of radiating fins are fixedly arranged outside the shell, and notches matched with ports of the cooling pipes are formed at two ends of the radiating fins.
As a preferable mode of the utility model, a rotor is arranged in the casing, a stator core is arranged in the casing, the stator core is wrapped outside the rotor, and the cooling pipe is wound outside the stator core.
As a preferable scheme of the utility model, a bearing is fixedly arranged at the middle part of the front end of the shell, the front end shaft body of the rotor is connected with the inner ring of the bearing, and the tail end shaft body of the rotor is connected with the middle part of the fan.
As a preferable scheme of the utility model, the center of the tail end of the fan housing is provided with the air outlet which is in a fan-shaped structure, and the front end of the fan housing is fixedly connected with the tail end connecting piece of the shell through bolts.
As a preferable scheme of the utility model, the two ends of the same side of the shell are provided with pipeline ports, and the water inlet port and the water outlet port of the cooling pipe are respectively positioned in the pipeline ports at the two ends of the shell.
In the technical scheme, the utility model has the technical effects and advantages that:
The cooling pipe is arranged on the inner wall of the shell, the water inlet port and the water outlet port are respectively positioned at two ends outside the shell, so that cooling water circulation and replacement are facilitated, a stator iron core is arranged inside the rotor, and the rotor is wrapped outside the stator iron core, so that the structure is beneficial to reducing the volume of the motor and improving the efficiency of the motor;
The permanent magnet generator has reasonable integral structure design, reduces the volume of the generator, saves the space, is suitable for various occasions, adopts various heat dissipation modes to combine together, ensures the stable operation of the generator under the conditions of high temperature and high load, improves the reliability of the motor, and is convenient for daily maintenance due to the fact that the cooling pipe and other parts are designed to be easy to detach and replace.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for those skilled in the art.
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is an exploded view of the overall structure of the present utility model;
FIG. 3 is a cross-sectional view of the overall structure of the present utility model;
FIG. 4 is a cross-sectional view of the housing of the present utility model;
Fig. 5 is an enlarged view of area a of fig. 2 in accordance with the present utility model.
Reference numerals illustrate:
1. The device comprises a shell, a fan cover, a fan, an air outlet net, a stator core, a rotor, a cooling pipe, a cooling fin, a bearing, a base, a cooling opening, a pipeline opening and a cooling pipe, wherein the shell, the fan cover, the fan, the air outlet net, the stator core, the cooling fin, the cooling pipe and the pipeline opening are arranged in sequence, and the cooling pipe is arranged in sequence.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a permanent magnet generator as shown in figures 1-5, which comprises a shell 1, wherein a fan housing 2 is fixedly arranged at the tail end of the shell 1, a fan 3 is arranged in the fan housing 2, a plurality of air outlet nets 4 are fixedly arranged at the connecting part of the front end of the fan housing 2 and the shell 1, the design is beneficial to smooth airflow in the generator, airflow short circuit or dead angle is avoided, and the heat dissipation effect is improved, and the permanent magnet generator further comprises:
The cooling pipe 7 is arranged on the inner wall of the shell 1, and a water inlet port and a water outlet port of the cooling pipe 7 are respectively positioned at two ends outside the shell 1;
The two frames 10 are respectively and fixedly arranged on two sides of the outer part of the machine shell 1, the inner part of the frame 10 is of a hollow structure, the two ends of the frame 10 are provided with heat dissipation openings 11, the joint of the machine shell 1 and the frame 10 is provided with through grooves, and the through grooves are connected with the heat dissipation openings 11 at one end of the frame 10, the structure of the frame 10 is beneficial to improving the stability of the generator, increasing the heat dissipation area and improving the heat dissipation effect, and the heat inside the machine shell 1 can be effectively dissipated.
Furthermore, in the above technical solution, the outer portion of the casing 1 is fixedly provided with a plurality of heat dissipation fins 8, so as to increase the heat dissipation area of the outer portion of the casing 1, improve the heat dissipation effect, and two ends of the plurality of heat dissipation fins 8 are provided with notches adapted to the ports of the cooling tube 7.
Further, in the above technical scheme, the inside of casing 1 is provided with rotor 6, and the inside of casing 1 is provided with stator core 5, and stator core 5 parcel is in the outside of rotor 6, and cooling tube 7 twines in the outside of stator core 5, and this structural design is favorable to in the power generation in-process, heat transfer between stator core 5 and the rotor 6 improves the radiating effect.
Further, in the above technical solution, the bearing 9 is fixedly mounted at the middle part of the front end of the casing 1, the front end shaft body of the rotor 6 is connected with the inner ring of the bearing 9, and the rear end shaft body of the rotor 6 is connected with the middle part of the fan 3.
Further, in the above technical scheme, the tail end center of the fan housing 2 is provided with the air outlet, and the air outlet is in a fan-shaped structure, and the front end of the fan housing 2 is fixedly connected with the tail end connecting piece of the machine shell 1 through bolts.
Furthermore, in the above technical scheme, the two ends of the same side of the casing 1 are both provided with the pipeline ports 12, the water inlet port and the water outlet port of the cooling pipe 7 are respectively located in the pipeline ports 12 at the two ends of the casing 1, and the pipeline ports 12 facilitate the installation of the water inlet port and the water outlet port of the cooling pipe 7.
When the permanent magnet generator provided by the utility model is used, the working process is as follows:
When the permanent magnet generator is installed, the components such as the casing 1, the fan housing 2, the rotor 6, the stator core 5 and the like are assembled together. Ensuring a stable connection of the casing 1 and the fan housing 2, the fan 3 inside the fan housing 2 is aligned with the axis of the rotor 6. Before the stator core 5 and the rotor 6 are installed, the cooling pipe 7 is installed on the inner wall of the casing 1, and the water inlet port and the water outlet port at two ends of the cooling pipe 7 are respectively positioned at two ends outside the casing 1. Finally, the stand 10 is welded and fixed on two sides of the outer part of the shell 1, and the permanent magnet generator can be started under the condition that all components are installed and wiring is correct. During starting, please note whether the fan 3 is running normally, whether the cooling tube 7 is running smoothly, and whether the generator is running smoothly, and the permanent magnet generator can run normally after starting. In the running process, the parameters such as the temperature, the current, the voltage and the like of the generator are closely concerned, so that the generator is ensured to be in a normal range, and if abnormality is found, the generator is immediately stopped for inspection;
When the permanent magnet generator works, the fan 3 in the fan housing 2 sucks outside air, and the inside of the generator is cooled through the air duct. The cooling air flows through the stator core 5 and the rotor 6, taking heat away. Meanwhile, the water flow in the cooling pipe 7 circulates, heat in the generator is transferred to the outside through heat exchange, heat dissipation is achieved, the hollow structure in the engine base 10 is beneficial to air flow, the heat dissipation effect is improved, and the heat dissipation opening 11 in the engine base 10 enables air to flow in the engine base 10, and heat in the generator is taken away. In addition, the heat radiating fins 8, the air outlet net 4 at the front end of the fan housing 2 and the fan-shaped air outlet at the tail end are also beneficial to enlarging the heat radiating area and improving the heat radiating efficiency.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The permanent magnet generator comprises a casing (1) and is characterized in that a fan housing (2) is fixedly arranged at the tail end of the casing (1), a fan (3) is arranged in the fan housing (2), a plurality of air outlet nets (4) are fixedly arranged at the connecting part of the front end of the fan housing (2) and the casing (1), and the permanent magnet generator further comprises:
The cooling pipe (7) is arranged on the inner wall of the shell (1), and a water inlet port and a water outlet port of the cooling pipe (7) are respectively positioned at two ends outside the shell (1);
The two frames (10) are respectively and fixedly arranged on two sides of the outer part of the machine shell (1), the inner part of the frame (10) is of a hollow structure, heat dissipation openings (11) are formed in two ends of the frame (10), through grooves are formed in the connecting positions of the machine shell (1) and the machine frame (10), and the through grooves are connected with the heat dissipation openings (11) at one end of the machine frame (10).
2. The permanent magnet generator according to claim 1, wherein a plurality of heat radiation fins (8) are fixedly arranged outside the shell (1), and notches matched with ports of the cooling pipes (7) are formed at two ends of the plurality of heat radiation fins (8).
3. A permanent magnet generator according to claim 1, wherein a rotor (6) is arranged in the casing (1), a stator core (5) is arranged in the casing (1), the stator core (5) is wrapped outside the rotor (6), and the cooling pipe (7) is wound outside the stator core (5).
4. A permanent magnet generator according to claim 3, wherein the bearing (9) is fixedly mounted at the middle part of the front end of the casing (1), the front end shaft body of the rotor (6) is connected with the inner ring of the bearing (9), and the tail end shaft body of the rotor (6) is connected with the middle part of the fan (3).
5. The permanent magnet generator of claim 1, wherein the center of the tail end of the fan housing (2) is provided with an air outlet, the air outlet is in a fan-shaped structure, and the front end of the fan housing (2) is fixedly connected with a tail end connecting piece of the machine shell (1) through bolts.
6. The permanent magnet generator according to claim 1, wherein the two ends of the same side of the casing (1) are provided with pipeline ports (12), and the water inlet port and the water outlet port of the cooling pipe (7) are respectively positioned in the pipeline ports (12) at the two ends of the casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421020332.1U CN222582179U (en) | 2024-05-11 | 2024-05-11 | Permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421020332.1U CN222582179U (en) | 2024-05-11 | 2024-05-11 | Permanent magnet generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222582179U true CN222582179U (en) | 2025-03-07 |
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ID=94783763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421020332.1U Active CN222582179U (en) | 2024-05-11 | 2024-05-11 | Permanent magnet generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222582179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120185280A (en) * | 2025-03-24 | 2025-06-20 | 江苏中奕和创智能科技有限公司 | A generator |
-
2024
- 2024-05-11 CN CN202421020332.1U patent/CN222582179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120185280A (en) * | 2025-03-24 | 2025-06-20 | 江苏中奕和创智能科技有限公司 | A generator |
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