Permanent magnet synchronous generator for vehicle

By introducing a vibration-damping and heat-dissipating mechanism into an automotive permanent magnet synchronous generator, the problem of component shedding caused by vibration is solved, and stable operation of the generator and cost reduction are achieved.

CN223462861UActive Publication Date: 2025-10-21BAOTOU CHANGAN PERMANENT MAGENT MASCH CO LTD
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Patent Information

Application Number
CN202422832823.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing automotive permanent magnet synchronous generators vibrate greatly during use, causing internal electronic components to easily fall off, increasing the use and maintenance costs of the generator.

Method used

A shock-absorbing mechanism is set inside the generator, including a first fixed block, a first spring, a second spring, a connecting rod, a slide, a second fixed block and a connecting plate, and these components absorb the vibration of the generator; at the same time, a heat dissipation mechanism is set, including a water tank, a water storage block, a cooling tank, heat dissipation fins, a fan, a water pump, a water pump pipe, a drain pipe, and a connecting pipe, to achieve effective heat dissipation and temperature reduction.

Benefits of technology

It can effectively buffer the vibration of the generator, prevent the internal electronic components from falling off, reduce the use and maintenance costs of the generator, and reduce the temperature of the generator through continuous heat dissipation, thereby improving the reliability and service life of the generator.

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Abstract

The utility model relates to the related technical field of vehicle permanent magnet synchronous generators, in particular to a vehicle permanent magnet synchronous generator which comprises a generator body, and a damping mechanism is arranged on the surface of a supporting plate. According to the permanent magnet synchronous generator for the vehicle, through the arrangement of the damping mechanism, when a generator body is damped during power generation, vibration generated by the generator body is transmitted to a first fixing block and an upper plate firstly, then the first fixing block is stressed to drive one end of a connecting plate to move, and then the connecting plate drives a sliding seat to move along a connecting rod and compress a second spring; therefore, vibration force generated by the generator body is absorbed through the continuously compressed second springs, and meanwhile, the upper plate continuously compresses the first springs, so that the vibration force generated by the generator body is synchronously absorbed, and vibration generated when the generator body works is effectively buffered; and the phenomenon that electronic components in the generator body fall off due to vibration when the generator body works for a long time is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of vehicle permanent magnet synchronous generator especially relates to a vehicle permanent magnet synchronous generator. BACKGROUND

[0002] The vehicle permanent magnet synchronous generator is a kind of generator equipment applied to vehicle, it utilizes the magnetic field generated by permanent magnet and the current in stator winding to interact, produces rotating magnetic field, to drive generator rotor rotation, realizes the generation of electric energy, compared with traditional excitation synchronous generator, permanent magnet synchronous generator does not need external excitation power supply, with higher efficiency and reliability, therefore, especially need a kind of vehicle permanent magnet synchronous generator.

[0003] But the existing vehicle permanent magnet synchronous generator, in the actual use process, vibration is big, the electronic components inside generator are subjected to vibration for a long time, easily lead to internal components to fall off due to vibration, so that generator failure occurs, increase the use and maintenance cost of generator. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of vehicle permanent magnet synchronous generators, to solve the problem that the existing vehicle permanent magnet synchronous generator in the actual use process in the above background technology, vibration is big, the electronic components inside generator are subjected to vibration for a long time, easily lead to internal components to fall off due to vibration, so that generator failure occurs, increase the use and maintenance cost of generator.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of vehicle permanent magnet synchronous generator, including generator body, the inside of the generator body is provided with heat dissipation mechanism, the surface of the generator body is connected with connecting shaft and is penetrated, the surface one side of the generator body is connected with upper plate, one end of the upper plate is connected with lower plate, one end of the lower plate is connected with support plate, the surface of the support plate is provided with damping mechanism;

[0006] The damping mechanism includes first fixed block, first spring, second spring, connecting rod, sliding seat, second fixed block and connecting plate, the surface one side of the generator body is connected with first fixed block, the inner side of the upper plate is connected with first spring, the inner side of the support plate is embedded with second spring, the inner side of the support plate is connected with connecting rod, one end of the connecting rod is connected with sliding seat and is penetrated, the surface of the sliding seat is connected with second fixed block, one end of the second fixed block is connected with connecting plate and is penetrated.

[0007] Preferably, one end of the first fixed block is connected with the connecting plate and is penetrated, the connecting plate is provided with two groups.

[0008] Preferably, one end of the connecting rod is connected with the second spring, and one end of the first spring is connected with the lower plate.

[0009] Preferably, the heat dissipation mechanism comprises a water tank, a water storage block, a cooling groove, a heat dissipation fin, a fan, a water pump, a water pumping pipe, a drainage pipe, a first connecting pipe and a second connecting pipe, one side of the surface of the generator body is provided with the water tank, the surface of the generator body is connected with the water storage block, the inside of the generator body is provided with the cooling groove, the surface of the generator body is connected with the heat dissipation fin, one end of the connecting shaft is connected with the fan, one end of the connecting shaft is connected with the water pump, one side of the surface of the water tank is connected with the water pumping pipe, one side of the surface of the water tank is connected with the drainage pipe, one side of the surface of the water storage block is connected with the first connecting pipe, and one side of the surface of the water pump is connected with the second connecting pipe.

[0010] Preferably, one end of the second connecting pipe is connected with the generator body, and one end of the first connecting pipe is connected with the generator body.

[0011] Preferably, one end of the drainage pipe is connected with the water storage block, and the water storage block is a hollow structure.

[0012] Preferably, one end of the water pumping pipe is connected with the water pump, and one end of the heat dissipation fin is embedded in the inside of the cooling groove.

[0013] Compared with the prior art, the car-mounted permanent magnet synchronous generator can effectively absorb the vibration generated by the generator body during work through the compression of the first spring and the second spring, effectively buffers the vibration generated by the generator body during work, and effectively avoids the phenomenon that the internal electronic elements of the generator body fall off due to vibration caused by long-time work of the generator body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view appearance structure schematic view of the utility model;

[0015] Figure 2 It is a heat dissipation mechanism cross section structure schematic view of the utility model;

[0016] Figure 3 It is a damping mechanism cross section structure schematic view of the utility model;

[0017] Figure 4 It is a side view appearance structure schematic view of the utility model Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0018] Figure 5 It is a side view appearance structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of B in the utility model.

[0019] In the figure: 1, the generator body; 2, the heat dissipation mechanism; 201, the water tank; 202, the water storage block; 203, the cooling groove; 204, the heat dissipation fin; 205, the fan; 206, the water pump; 207, the water suction pipe; 208, the drain pipe; 209, the first connecting pipe; 210, the second connecting pipe; 3, the connecting shaft; 4, the upper plate; 5, the lower plate; 6, the support plate; 7, the damping mechanism; 701, the first fixed block; 702, the first spring; 703, the second spring; 704, the connecting rod; 705, the sliding seat; 706, the second fixed block; 707, the connecting plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of vehicle permanent magnet synchronous generator, including generator body 1, the inside of generator body 1 is provided with heat dissipation mechanism 2, generator body 1 surface is connected with connecting shaft 3 and penetrates, the surface side of generator body 1 is connected with upper plate 4, one end of upper plate 4 is connected with lower plate 5, one end of lower plate 5 is connected with support plate 6, the surface of support plate 6 is provided with damping mechanism 7;

[0022] The damping mechanism 7 comprises a first fixed block 701, a first spring 702, a second spring 703, a connecting rod 704, a sliding seat 705, a second fixed block 706 and a connecting plate 707, the surface side of the generator body 1 is connected with the first fixed block 701, the inner side of the upper plate 4 is connected with the first spring 702, the inner side of the supporting plate 6 is embedded with the second spring 703, the inner side of the supporting plate 6 is connected with the connecting rod 704, one end of the connecting rod 704 is connected with the sliding seat 705, the surface of the sliding seat 705 is connected with the second fixed block 706, one end of the second fixed block 706 is connected with the connecting plate 707, when the generator body 1 is damped during power generation, the vibration generated by the generator body 1 is first transmitted to the first fixed block 701 and the upper plate 4, then the first fixed block 701 is forced to move one end of the connecting plate 707, then the connecting plate 707 moves the sliding seat 705 along the connecting rod 704 and compresses the second spring 703, so that the vibration generated by the generator body 1 is absorbed by the second spring 703 which is continuously compressed, at the same time, the upper plate 4 continuously compresses the first spring 702, so as to synchronously absorb the vibration generated by the generator body 1, thereby effectively buffering the vibration generated by the generator body 1 during operation, and avoiding the phenomenon that the internal electronic elements of the generator body 1 fall off due to vibration caused by long-time operation.

[0023] Further, one end of the first fixed block 701 is connected with the connecting plate 707, the connecting plate 707 is provided with two groups, through the arrangement of the connecting plate 707, in use, the connecting plate 707 is driven to move the sliding seat 705 and compress the second spring 703, and the first spring 702 is cooperated to absorb the vibration generated by the generator body 1.

[0024] Further, one end of the connecting rod 704 is connected with the second spring 703, one end of the first spring 702 is connected with the lower plate 5, through the arrangement of the connecting rod 704, in use, the connecting rod 704 is connected to the inner side of the supporting plate 6 to provide a moving track for the sliding seat 705, so as to ensure that the sliding seat 705 can move in a predetermined direction when affected by vibration, so that the second spring 703 can be effectively compressed to play a damping role.

[0025] Further, the heat dissipation mechanism 2 comprises a water tank 201, a water storage block 202, a cooling groove 203, a heat dissipation fin 204, a fan 205, a water pump 206, a water pumping pipe 207, a drainage pipe 208, a first connecting pipe 209 and a second connecting pipe 210, the surface of the generator body 1 is provided with the water tank 201, the surface of the generator body 1 is connected with the water storage block 202, the inside of the generator body 1 is provided with the cooling groove 203, the surface of the generator body 1 is connected with the heat dissipation fin 204, one end of the connecting shaft 3 is connected with the fan 205, one end of the connecting shaft 3 is connected with the water pump 206, the surface of the water tank 201 is connected with the water pumping pipe 207, the surface of the water tank 201 is connected with the drainage pipe 208, the surface of the water storage block 202 is connected with the first connecting pipe 209, the surface of the water pump 206 is connected with the second connecting pipe 210, through the arrangement of the water tank 201, the water storage block 202, the cooling groove 203, the heat dissipation fin 204, the fan 205, the water pump 206, the water pumping pipe 207, the drainage pipe 208, the first connecting pipe 209 and the second connecting pipe 210, when the generator body 1 generates electricity, the connecting shaft 3 drives the fan 205 and the water pump 206, then the fan 205 blows the heat generated in the center of the generator body 1 to the inner wall, reduces the heat gathered in the center, and transfers the heat to the inner wall of the generator body 1, at the same time, the water pump 206 pumps the cooling liquid in the water tank 201 into the second connecting pipe 210 through the water pumping pipe 207, then the cooling liquid enters the cooling groove 203 through the second connecting pipe 210, at this time, the cooling liquid absorbs the heat transferred to the inner wall of the generator body 1, thereby reducing the temperature of the generator body 1 when generating electricity, and the cooling liquid after absorbing heat is quickly cooled through the heat dissipation fin 204, then the cooling liquid enters the inside of the water storage block 202 through the first connecting pipe 209, and then the cooling liquid in the inside of the water storage block 202 returns to the water tank 201 through the drainage pipe 208, under the continuous circulation, the temperature of the generator body 1 is significantly reduced.

[0026] Further, one end of the second connecting pipe 210 is sealingly connected with the generator body 1, and one end of the first connecting pipe 209 is sealingly connected with the generator body 1, through the arrangement of the second connecting pipe 210, in use, the second connecting pipe 210 sealingly connects the water pump 206 and the generator body 1, and can transport the cooling liquid pumped by the water pump 206 into the cooling groove 203.

[0027] Further, one end of the drainage pipe 208 is sealingly connected with the water storage block 202, and the water storage block 202 is a hollow structure, through the arrangement of the drainage pipe 208, in use, the drainage pipe 208 sealingly connects the water tank 201 and the water storage block 202, and can send the cooling liquid in the water storage block 202 back to the water tank 201 after heat dissipation.

[0028] Further, one end of the water pump 207 is sealingly connected with the water pump 206, and one end of the heat dissipation fin 204 is embedded in the inside of the cooling groove 203, through the arrangement of the heat dissipation fin 204, in use, the heat dissipation fin 204 penetrates the surface of the generator body 1, when the cooling liquid after absorbing heat flows through the heat dissipation fin 204, the heat dissipation fin 204 quickly dissipates the heat in the cooling liquid to the external environment, and the cooling liquid is cooled.

[0029] Working principle: first, when the generator body 1 generates electricity, the connecting shaft 3 in the inside drives the fan 205 and the water pump 206, then the fan 205 blows the heat generated in the center of the generator body 1 to the inner wall, reduces the heat gathered in the center, and transmits the heat to the inner wall of the generator body 1, at the same time, the water pump 206 draws the cooling liquid in the water tank 201 into the second connecting pipe 210 through the water pump 207, then the cooling liquid enters the cooling groove 203 through the second connecting pipe 210, at this time, the cooling liquid absorbs the heat transmitted to the inner wall of the generator body 1, thereby reducing the temperature of the generator body 1 when generating electricity, and the cooling liquid after absorbing heat is quickly cooled through the heat dissipation fin 204, then the cooling liquid enters the inside of the water storage block 202 through the first connecting pipe 209, and then the cooling liquid in the inside of the water storage block 202 returns to the water tank 201 through the drain pipe 208, under the continuous circulation, the temperature of the generator body 1 is significantly reduced, then when the generator body 1 is damped during power generation, the vibration of the generator body 1 is first transmitted to the first fixed block 701 and the upper plate 4, then the first fixed block 701 drives one end of the connecting plate 707 to move, then the connecting plate 707 drives the sliding seat 705 to move along the connecting rod 704 and compresses the second spring 703, thereby absorbing the vibration force generated by the generator body 1 through the second spring 703 which is continuously compressed, at the same time, the upper plate 4 continuously compresses the first spring 702, thereby synchronously absorbing the vibration force generated by the generator body 1, thereby effectively buffering the vibration generated by the generator body 1 during work, avoiding the phenomenon that the internal electronic elements of the generator body 1 fall off due to vibration caused by long-time work.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A permanent magnet synchronous generator for vehicles, comprising a generator body (1), characterized in that: The inside of the generator body (1) is provided with a heat dissipation mechanism (2), the surface of the generator body (1) is connected through a connecting shaft (3), one side of the surface of the generator body (1) is connected with an upper plate (4), one end of the upper plate (4) is connected with a lower plate (5), one end of the lower plate (5) is connected with a support plate (6), and the surface of the support plate (6) is provided with a damping mechanism (7). The damping mechanism (7) comprises a first fixed block (701), a first spring (702), a second spring (703), a connecting rod (704), a sliding seat (705), a second fixed block (706) and a connecting plate (707), one side of the surface of the generator body (1) is connected with the first fixed block (701), the inner side of the upper plate (4) is connected with the first spring (702), the inner side of the support plate (6) is embedded with the second spring (703), the inner side of the support plate (6) is connected with the connecting rod (704), one end of the connecting rod (704) is connected through the sliding seat (705), the surface of the sliding seat (705) is connected with the second fixed block (706), and one end of the second fixed block (706) is connected through the connecting plate (707).

2. The permanent magnet synchronous generator for vehicle according to claim 1, characterized in that: One end of the first fixed block (701) is connected through the connecting plate (707), and the connecting plate (707) is provided with two groups.

3. The permanent magnet synchronous generator for vehicle according to claim 1, characterized in that: One end of the connecting rod (704) is connected through the second spring (703), and one end of the first spring (702) is connected with the lower plate (5).

4. The permanent magnet synchronous generator for vehicle according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises a water tank (201), a water storage block (202), a cooling groove (203), a heat dissipation fin (204), a fan (205), a water pump (206), a water pumping pipe (207), a drainage pipe (208), a first connecting pipe (209) and a second connecting pipe (210), one side of the surface of the generator body (1) is mounted with the water tank (201), one side of the surface of the generator body (1) is connected with the water storage block (202), the inside of the generator body (1) is provided with the cooling groove (203), the surface of the generator body (1) is connected through the heat dissipation fin (204), one end of the connecting shaft (3) is connected through the fan (205), one end of the connecting shaft (3) is connected through the water pump (206), one side of the surface of the water tank (201) is connected with the water pumping pipe (207) in a sealing manner, one side of the surface of the water tank (201) is connected with the drainage pipe (208) in a sealing manner, one side of the surface of the water storage block (202) is connected with the first connecting pipe (209) in a sealing manner, and one side of the surface of the water pump (206) is connected with the second connecting pipe (210) in a sealing manner.

5. The permanent magnet synchronous generator for vehicle according to claim 4, characterized in that: One end of the second connecting pipe (210) is connected with the generator body (1) in a sealing manner, and one end of the first connecting pipe (209) is connected with the generator body (1) in a sealing manner.

6. The permanent magnet synchronous generator for vehicle according to claim 4, characterized in that: One end of the drainage pipe (208) is connected with the water storage block (202) in a sealing manner, and the water storage block (202) is a hollow structure.

7. The permanent magnet synchronous generator for vehicle according to claim 4, characterized in that: One end of the water pumping pipe (207) is in sealing connection with the water pump (206), and one end of the radiating fin (204) is embedded in the inside of the cooling groove (203).