CN221009950U - Rectifying device for permanent magnet synchronous generator - Google Patents
Rectifying device for permanent magnet synchronous generator Download PDFInfo
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- CN221009950U CN221009950U CN202322975595.XU CN202322975595U CN221009950U CN 221009950 U CN221009950 U CN 221009950U CN 202322975595 U CN202322975595 U CN 202322975595U CN 221009950 U CN221009950 U CN 221009950U
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- rectifying device
- motor
- permanent magnet
- magnet synchronous
- synchronous generator
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 28
- 238000009423 ventilation Methods 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a rectifying device for a permanent magnet synchronous generator, which comprises: the rectifying device body, the motor and the fan are fixedly arranged at the front end of the motor; the exhaust fan is arranged at the rear end of the motor; the rectifying device body comprises a shell, and the shell shape of the rectifying device body is matched with the shell shape of the motor; ventilating structures are uniformly arranged at the front end of the motor along the edge; the motor is communicated with the rectifying device body through a ventilation structure. The rectifying device for the permanent magnet synchronous generator enables the permanent magnet synchronous motor to be combined with the rectifying device, and is beneficial to improving the efficiency and performance of the motor; and utilize the air exhauster, make motor and fairing ventilate the heat dissipation through the wind channel structure, can take the heat that this internal and motor of fairing produced effectively, maintain the stability of during operation temperature, avoid the too high performance to cause the influence to motor and fairing.
Description
Technical Field
The utility model relates to the technical field of permanent magnet synchronous generators, in particular to a rectifying device for a permanent magnet synchronous generator.
Background
In the dc power supply of the prior art, a dc generator is basically not used, but an ac generator is used to generate an ac power, and then the ac power is converted into a dc power by a rectifying device.
In the related art, due to the change of the environment temperature and the load when the rectifying device works, the size of the rectifying device is small, the internal space is limited, heat emitted by the rectifying bridge, the environment temperature and the load dissipate heat, and the heat energy dissipated by the generator during work is added, so that excessive accumulation exists in the heat energy, and therefore, the electronic elements inside the rectifying device are easy to damage, and the stability of the rectifying device during work is reduced.
Disclosure of utility model
The present utility model is directed to a rectifying device for a permanent magnet synchronous generator, which solves at least one of the problems and disadvantages set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A rectifying device for a permanent magnet synchronous generator, comprising: a rectifying device body, a motor and a fan,
The rectifying device body is fixedly arranged at the front end of the motor;
The exhaust fan is arranged at the rear end of the motor;
the rectifying device body comprises a shell, and the shell shape of the rectifying device body is matched with the shell shape of the motor;
the front end of the motor is uniformly provided with ventilation structures along the edge;
the motor is communicated with the rectifying device body through the ventilation structure.
The rectifying device for the permanent magnet synchronous generator has at least the following technical effects:
According to the rectifying device for the permanent magnet synchronous generator, as the rectifying device body is fixedly arranged at the front end of the motor, the shell shape of the rectifying device body is matched with the shell shape of the motor, so that the permanent magnet synchronous motor is combined with the rectifying device, the main purpose is that the motor converts alternating current into direct current through the rectifying device, the efficiency and the performance of the motor are improved, the motor and the rectifying device are integrated, and the motor can operate more reliably and efficiently; and because the front end of the motor is uniformly provided with the ventilation structure along the edge, the motor is communicated with the rectifying device body through the ventilation structure; the exhaust fan at the rear end of the motor is utilized, so that the motor and the rectifying device can ventilate and dissipate heat through the air duct structure, heat generated in the rectifying device body and the motor can be effectively taken away, the stability of the temperature during operation is maintained, and the influence of overhigh temperature on the performance of the motor and the rectifying device is avoided.
As a further aspect of the present utility model: the ventilation structure is a ventilation groove.
Because the motor passes through ventilation groove and fairing body intercommunication for the during operation of the air exhauster of motor rear end, can take away the heat that produces in the fairing body and the motor through ventilation groove effectively.
As a further aspect of the present utility model: the rectifying device is characterized in that a framework is arranged in the rectifying device body, partition plates are arranged on the periphery and the bottom of the framework, and the top of the framework is provided with an opening.
As a further aspect of the present utility model: the top of the framework is provided with a radiator, and the top of the radiator is provided with radiating fins.
Because the radiator is arranged at the top of the framework, the radiating fins are arranged at the top of the radiator, the diode module is tightly attached to the radiator, and the radiator and the radiating fins are preferably made of aluminum alloy materials; the heat generated by the working of the diode module of the rectifying device is rapidly transferred to the surface of the radiator by utilizing the excellent heat conducting property of the aluminum alloy, the heat is dissipated into the air through the radiating fins on the surface of the radiator, and then the radiating speed is accelerated by the wind power of the exhaust fan, so that the heat is rapidly taken away.
As a further aspect of the present utility model: and a temperature sensor is arranged on the radiator.
The temperature sensor is arranged on the radiator, so that the temperature sensor can monitor the temperature change inside the rectifying device body, and is helpful to grasp the working temperature of the rectifying device in time, so as to prevent damage or failure of electronic elements caused by overheating inside the rectifying device body.
As a further aspect of the present utility model: and an idle resistor is arranged outside the framework bottom partition board.
Because the outside of the partition plate at the bottom of the framework is provided with the no-load resistor, the no-load resistor can emit a large amount of heat in the working process, and a large space is reserved between the framework and the end part of the motor by the rectifying device, so that the air quantity entering from the ventilation groove has enough space to flow into the air channel of the motor, the no-load resistor dissipates heat by flowing air in the space, the efficiency and the reliability of the rectifying device are improved, the no-load resistor is used as a protective element, and other elements in the circuit are prevented from being damaged or overloaded by current.
As a further aspect of the present utility model: and ventilation openings are formed in two sides of the upper part of the front cover plate of the shell.
Because the ventilation openings are formed in the two sides of the upper portion of the front cover plate of the shell, the air quantity pumped by the exhaust fan enters the rectifying device from the ventilation openings in the two sides of the upper portion of the front cover plate of the shell at first, heat dissipated by the radiating fins is taken away, the thermal stress of main heating components in the rectifying device is lightened, the working stability and safety of the rectifying device are improved, the air quantity of the exhaust fan passes through the motor, the heat of the motor is taken away, the overall operation stability is improved, faults and damages caused by temperature fluctuation are reduced, and accordingly the safety and stability of the whole permanent magnet synchronous generator are improved.
As a further aspect of the present utility model: a filter screen is arranged in the ventilation opening.
Because the filter screen is arranged in the ventilation opening, the dust is prevented from being sucked from the ventilation opening when the exhaust fan is exhausting, and the dust is prevented from being adsorbed by the motor and the electronic components in the rectifying device body.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of a rectifying device for a permanent magnet synchronous generator;
FIG. 2 is a schematic diagram of a part of the rectifying device for a permanent magnet synchronous generator;
fig. 3 is a schematic diagram of the internal structure of a rectifying device for a permanent magnet synchronous generator.
Reference numerals:
10. A rectifying device body; 101. a housing; 102. a skeleton; 103. a heat sink; 1031. a heat sink; 104. a no-load resistor; 105. a vent; 20. a motor; 201. a ventilation groove.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
As shown in fig. 1-3, a rectifying device for a permanent magnet synchronous generator according to an embodiment of the present utility model includes: the rectifying device comprises a rectifying device body 10, a motor 20 and an exhaust fan 30, wherein the rectifying device body 10 is fixedly arranged at the front end of the motor 20; the exhaust fan 30 is arranged at the rear end of the motor 20; the rectifying device body 10 comprises a shell 101, and the shape of the shell 101 of the rectifying device body 10 is matched with that of the motor 20; the front end of the motor 20 is uniformly provided with ventilation structures along the annular edge; the motor 20 communicates with the rectifying device body 10 through a ventilation structure.
Specifically, in the rectifying device for the permanent magnet synchronous generator, since the rectifying device body 10 is fixedly arranged at the front end of the motor 20, the shape of the shell 101 of the rectifying device body 10 is matched with that of the shell of the motor 20, so that the permanent magnet synchronous motor is combined with the rectifying device, the main purpose is that the motor converts alternating current into direct current through the rectifying device, the efficiency and performance of the motor are improved, the motor and the rectifying device have integrity, and the motor 20 operates more reliably and efficiently; and because the front end of the motor 20 is uniformly provided with the ventilation structure along the edge, the motor 20 is communicated with the rectifying device body 10 through the ventilation structure. By using the exhaust fan 30 at the rear end of the motor 20, the motor 20 and the rectifying device can ventilate and dissipate heat through the air duct structure, heat generated in the rectifying device body 10 and the motor 20 can be effectively taken away, the stability of temperature during operation is maintained, and the influence of overhigh temperature on the performance of the motor 20 and the rectifying device is avoided.
As shown in fig. 2, the ventilation structure is a ventilation slot 201. Specifically, since the motor 20 is communicated with the rectifying device body 10 through the ventilation groove 201, when the exhaust fan 30 at the rear end of the motor 20 works, heat generated in the rectifying device body 10 and the motor 20 can be effectively taken away through the ventilation groove 201.
As shown in fig. 2 and 3, a framework 102 is arranged in the rectifying device body 10, and partition plates are arranged at the periphery and the bottom of the framework 102, and the top of the framework is open; the top of the framework 102 is provided with a radiator 103, the top of the radiator 103 is provided with a radiating fin 1031, and the radiator 103 and the radiating fin 1031 are preferably made of aluminum alloy materials.
Specifically, as the radiator 103 is arranged at the top of the framework 102, the radiating fins 1031 are arranged at the top of the radiator 103, the diode modules are tightly attached to the radiator, the radiator 103 and the radiating fins 1031 are preferably made of aluminum alloy, heat generated during the operation of the diode modules in the rectifying device is rapidly transferred to the surface of the radiator 103 by utilizing the excellent heat conducting property of the aluminum alloy, the heat is dissipated into the air through the radiating fins on the surface of the radiator 103, and then the radiating speed is accelerated by means of wind power of the exhaust fan 30, and the heat is rapidly taken away.
The heat sink 103 is provided with a temperature sensor (not shown). Specifically, since the heat sink 103 is provided with a temperature sensor, the temperature sensor can monitor the temperature change inside the rectifying device body 10, so as to help to grasp the working temperature of the rectifying device in time, and prevent damage or failure of electronic components caused by overheating inside the rectifying device body 10.
As shown in fig. 3, the outer side of the bottom partition of the framework 102 is provided with a no-load resistor 104. Specifically, because the outside of the partition plate at the bottom of the framework 102 is provided with the no-load resistor 104, the no-load resistor 104 can emit a large amount of heat in the working process, and a larger space is reserved between the framework 102 and the end part of the motor by the rectifying device, so that enough space is reserved for the air quantity entering from the ventilation groove 201 to flow into the motor air channel, the no-load resistor 104 dissipates heat by utilizing flowing air in the space, and the no-load resistor 104 is used as a protection element to prevent other elements in the circuit from being damaged or overloaded by current.
As shown in fig. 1, ventilation openings 105 are provided on both sides of the upper portion of the front cover plate of the housing 101. Specifically, since the ventilation openings 105 are formed on two sides of the upper part of the front cover plate of the shell 101, the air quantity pumped by the exhaust fan 30 enters the rectifying device from the ventilation openings 105 on two sides of the upper part of the front cover plate of the shell 101, so that the heat emitted by the cooling fins 1031 is taken away, the thermal stress of main heating components in the rectifying device is reduced, and the stability and safety of the working of the rectifying device are improved; the air quantity of the exhaust fan 30 passes through the motor 20, so that the heat of the motor 20 is taken away, the overall operation stability is improved, faults and damages caused by overhigh temperature are reduced, and the safety and stability of the whole permanent magnet synchronous generator are improved.
A filter screen (not shown) is provided in the vent 105. Specifically, since the filter screen is disposed in the ventilation opening, the exhaust fan 30 prevents dust from being sucked from the ventilation opening 105 during the exhaust process, and prevents the motor 20 and the electronic components in the rectifying device body 10 from adsorbing the dust.
The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. A rectifying device for a permanent magnet synchronous generator, comprising: a rectifying device body (10), a motor (20) and an exhaust fan (30), characterized in that,
The rectifying device body (10) is fixedly arranged at the front end of the motor (20);
the exhaust fan (30) is arranged at the rear end of the motor (20);
The rectifying device body (10) comprises a shell (101), and the shape of the shell (101) of the rectifying device body (10) is matched with the shape of the shell of the motor (20);
The front end of the motor (20) is uniformly provided with ventilation structures along the edge;
the motor (20) is communicated with the rectifying device body (10) through the ventilation structure.
2. Rectifying device for permanent magnet synchronous generator according to claim 1, characterized in that said ventilation structure is a ventilation slot (201).
3. The rectifying device for the permanent magnet synchronous generator according to claim 2, wherein a framework (102) is arranged in the rectifying device body (10), and partition plates are arranged on the periphery and the bottom of the framework (102) and are open at the top.
4. A rectifying device for a permanent magnet synchronous generator according to claim 3, characterized in that a radiator (103) is provided on top of said skeleton (102), and a heat radiation fin (1031) is provided on top of said radiator (103).
5. The rectifying device for a permanent magnet synchronous generator according to claim 4, characterized in that a temperature sensor is provided on said heat sink (103).
6. The rectifying device for a permanent magnet synchronous generator according to claim 5, wherein an idle resistor (104) is provided outside a bottom partition plate of the skeleton (102).
7. Rectifying device for permanent magnet synchronous generator according to one of claims 1 to 6, characterized in that the front end of the upper part of the front cover plate of the housing (101) is provided with ventilation openings (105) on both sides.
8. The rectifying device for a permanent magnet synchronous generator according to claim 7, wherein a filter screen is provided in said ventilation opening (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975595.XU CN221009950U (en) | 2023-11-03 | 2023-11-03 | Rectifying device for permanent magnet synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975595.XU CN221009950U (en) | 2023-11-03 | 2023-11-03 | Rectifying device for permanent magnet synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221009950U true CN221009950U (en) | 2024-05-24 |
Family
ID=91089040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322975595.XU Active CN221009950U (en) | 2023-11-03 | 2023-11-03 | Rectifying device for permanent magnet synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221009950U (en) |
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2023
- 2023-11-03 CN CN202322975595.XU patent/CN221009950U/en active Active
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