CN112688494B - Three-phase full-wave rectification mounting structure for aviation motor - Google Patents
Three-phase full-wave rectification mounting structure for aviation motor Download PDFInfo
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- CN112688494B CN112688494B CN202011485998.0A CN202011485998A CN112688494B CN 112688494 B CN112688494 B CN 112688494B CN 202011485998 A CN202011485998 A CN 202011485998A CN 112688494 B CN112688494 B CN 112688494B
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- 238000004804 winding Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 4
- 230000005284 excitation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The application belongs to the field of aero-generators, and particularly relates to a three-phase full-wave rectification mounting structure for an aero-motor, which comprises a bus plate and a rectification bracket, wherein the rectification bracket comprises a main body part with a hollow cylinder structure and a plurality of fixing plates which are arranged on the outer circumference of the main body part and extend along the radial direction, and the rectification bracket is sleeved on a hollow shaft of the motor; the bus plate comprises two mutually isolated parts, namely a cathode end and an anode end, each part is fixedly provided with three rectifier diodes, and the bus plate is fixed on a fixing plate of the rectifier bracket; one end of the rectifier diode is connected with the exciting motor rotor, the other end of the rectifier diode is an output end, and the output end is connected with the main generator rotor through a wire after being rectified through the bus plate. The three-phase full-wave rectification mounting structure can be suitable for mounting a small-size exciter structure, is mounted separately from excitation, reduces the axial mounting length and size, and reduces the external dimension and weight requirements of a motor.
Description
Technical Field
The application belongs to the field of aero-generators, and particularly relates to a three-phase full-wave rectification mounting structure for an aero-motor.
Background
At present, an exciter and a main generator in the aviation electric excitation three-stage motor adopt a mounting structure in which a rectifying plate and the exciter are fixed into a whole. The exciter has the advantages that the exciter is influenced by the size of the rotary rectifying diode, the radial size and the axial size of the exciter are required to be large, the exciter structure with small size cannot be installed, the axial length size can be increased, and the weight of the product is increased.
Disclosure of Invention
In order to solve the above technical problems, the present application provides a three-phase full-wave rectification mounting structure for an aero-motor, comprising:
the rectifying support comprises a main body part with a hollow cylinder structure and a plurality of fixing plates which are arranged on the outer circumference of the main body part and extend along the radial direction, and the rectifying support is sleeved on a hollow shaft of the motor;
the bus plate comprises two mutually isolated parts, namely a cathode end and an anode end, each part is fixedly provided with three rectifier diodes, and the bus plate is fixed on a fixing plate of the rectifier bracket;
One end of the rectifier diode is connected with the exciting motor rotor, the other end of the rectifier diode is an output end, and the output end is connected with the main generator rotor through a wire after being rectified through the bus plate.
Preferably, the main body of the rectifying support is provided with a ring groove for winding a protection resistor, the output end of the rectifying diode is connected with the protection resistor after being rectified by the bus plate, and then a wire of the protection resistor is led out through a notch arranged on the ring groove to be connected with the main generator rotor.
Preferably, through holes are formed in the bus plate and the fixing plate of the rectifying support, and the bus plate is fixed to the fixing plate of the rectifying support through rivets.
Preferably, the rivet is isolated from the fixing plate of the rectifying support through an insulating assembly when passing through the through hole on the fixing plate of the rectifying support, the insulating assembly comprises an insulating gasket, an insulating bush and an insulating plate, the insulating gasket is arranged between the head of the rivet and the first face of the fixing plate, the insulating bush is sleeved on the rivet and is arranged in the through hole of the fixing plate, and the insulating plate is arranged between the bus plate and the second face of the fixing plate.
Preferably, an elastic washer is further arranged between the insulating washer and the head of the rivet.
Preferably, the fixing plates of the rectifying support are provided with two groups, each group is provided with two fixing plates, each part of the bus plate is fixed through the two fixing plates, and three mounting holes are formed in the bus plate between the two fixing plates and on two sides of the two fixing plates in total and are used for mounting three rectifying diodes of three-phase full-wave rectification.
Preferably, the inner wall of the main body part of the rectifying support is provided with a guide groove which is arranged along the axial direction and is used for guiding the rectifying support to be sleeved on the hollow shaft.
Preferably, a limiting device is arranged on the main body part of the rectifying support, and is used for adjusting the axial position of the rectifying support on the hollow shaft.
The three-phase full-wave rectification mounting structure can be suitable for mounting a small-size exciter structure, is mounted separately from excitation, reduces the axial mounting length and size, and reduces the external dimension and weight requirements of a motor.
Drawings
Fig. 1 is a schematic diagram of a three-phase full-wave rectification mounting structure for an aero-motor.
Fig. 2 is a right side view of the embodiment of the application shown in fig. 1.
Fig. 3 is a perspective view of the rectifying support of the embodiment of fig. 1 according to the present application.
Fig. 4 is a schematic diagram of a three-phase full-wave rectification mounting structure with rectification diodes mounted in accordance with the embodiment of fig. 1.
Fig. 5 is a schematic diagram of an application of the three-phase full-wave rectification mounting structure of the embodiment shown in fig. 1 of the present application.
The device comprises a 1-bus plate, a 2-rectifying support, a 21-main body part, 211-annular grooves, 212-guiding grooves, 22-fixing plates, 3-rivets, 4-washers, 5-insulating washers, 6-insulating bushings, 7-insulating plates, 8-rectifying diodes, 9-hollow shafts, 10-excitation motor rotors and 11-main generator rotors.
For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; further, the drawings are for illustrative purposes, wherein the terms describing the positional relationship are limited to the illustrative description only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application become more apparent, the technical solutions in the embodiments of the present application will be described in more detail with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the drawings are exemplary and intended to illustrate the present application and should not be construed as limiting the application.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description of the present application are used in a broad sense, and for example, the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The invention aims to provide a three-phase full-wave rectification mounting structure for an aero-motor, which is suitable for a mounting structure of a small-size motor, reduces the mounting requirement of an axial size and improves the space utilization rate.
As shown in fig. 1 to 5, the present application provides a three-phase full-wave rectification mounting structure for an aero-motor, comprising:
The rectifying support 2 comprises a main body part 21 with a hollow cylinder structure and a plurality of fixing plates 22 which are arranged on the outer circumference of the main body part 21 and extend along the radial direction, and the rectifying support 2 is sleeved on the hollow shaft 9 of the motor;
The bus plate 1 comprises two mutually isolated parts, namely a cathode end and an anode end, wherein each part is fixedly provided with three rectifier diodes 8, and the bus plate 1 is fixed on a fixed plate 22 of the rectifier bracket 2;
One end of the rectifier diode 8 is connected with the exciting motor rotor 10, the other end of the rectifier diode is an output end, and the output end is connected with the main generator rotor 11 through a wire after being rectified through a bus plate.
The bus plate 1 of the present application includes two parts for fixing the anode terminal and the cathode terminal of the three-phase full-wave rectification, respectively. The two bus plate parts are fixed with the rectifying support into a whole, separation is realized through the insulating component, and the connection of the cathode and the anode is prevented.
Referring to fig. 3 and 5, in some alternative embodiments, a ring groove 211 is provided on the main body of the rectifying support 2, for winding a protection resistor, the output end of the rectifying diode 8 is rectified by a bus plate and then connected to the protection resistor, and then a wire of the protection resistor is led out through a notch provided on the ring groove 211 to connect to the main generator rotor 11.
In some alternative embodiments, through holes are provided on the fixing plates 22 of the rectifying support 2 and the bus plate 1, and the bus plate 1 is fixed on the fixing plates 22 of the rectifying support 2 by rivets 3.
In some alternative embodiments, the rivet 3 is isolated from the fixing plate 22 of the rectifying support 2 by an insulating assembly when passing through the through hole of the fixing plate 22 of the rectifying support 2, the insulating assembly comprises an insulating washer 5, an insulating bush 6 and an insulating plate 7, the insulating washer 5 is arranged between the head of the rivet 3 and the first face of the fixing plate 22, the insulating bush 6 is sleeved on the rivet 3 and is arranged in the through hole of the fixing plate 22, and the insulating plate 7 is arranged between the bus plate 1 and the second face of the fixing plate 22.
In some alternative embodiments, a resilient washer 4 is also provided between the insulating washer 5 and the head of the rivet 3. In this embodiment, the gasket 4 is generally a metallic, resilient structure.
In some alternative embodiments, the fixing plates 22 of the rectifying support 2 are provided with two groups, each group is provided with two fixing plates 22, each part of the bus plate 1 is fixed by the two fixing plates 22, and three mounting holes are provided in total between the two fixing plates 22 and on both sides of the two fixing plates 22 of the bus plate 1 for mounting three rectifying diodes of the three-phase full-wave rectification.
As shown in fig. 2 and 3, the rectifying support adopts a six-tooth star structure, 360 ° is uniformly distributed, 2 holes are formed in the tooth parts to realize mounting rivets, a mounting nut for fixing a rotary rectifying diode is realized in the space part between two teeth, the rectifying diode 8 is fixed on the bus plate 1 through the mounting nut, the rectifying diode 8 is provided with a connecting end, and the connecting end is connected with the exciting motor rotor 10 through a wire.
As shown in fig. 3, in some alternative embodiments, the inner wall of the main body portion 21 of the rectifying support 2 has a guiding groove 212 disposed along an axial direction for guiding the rectifying support 2 to be sleeved on the hollow shaft 9, and it is understood that the guiding groove 212 is used for preventing the rectifying support 2 from rotating relative to the hollow shaft 9 in a circumferential direction.
In some alternative embodiments, limiting means are provided on the main body portion 21 of the rectifying support 2 for adjusting the axial position of the rectifying support 2 on the hollow shaft 9. In this embodiment, the limiting device may be a compression structure, or may be a clamping structure, or other fixing methods, taking the compression structure as an example, a screw hole penetrating through the inner wall and the outer wall may be provided on the main body portion 21 of the rectifying support 2, a bolt is provided in the screw hole, and the head of the bolt passes through the screw hole and then is extruded on the hollow shaft 9 by rotating the bolt, so that the rectifying support 2 is fixed along the axial direction of the hollow shaft.
When in installation, as shown in fig. 5, the rectifying support 2 loaded with the bus plate 1 is fixed on the hollow shaft, then the exciting motor rotor 10 is installed, the rectifying support 2 and the excitation are installed separately and separated from the exciting motor pivot assembly, the axial position of the rectifying support is adjustable, the diode installation can be close to the protection resistor end, and the overall axial installation size requirement of the motor is reduced.
The present application can be applied to various types of ac generators, as well as various types of ac brushless generators.
Having thus described the technical aspects of the present application with reference to the preferred embodiments shown in the drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the related technical features without departing from the principle of the present application, and those changes or substitutions will fall within the scope of the present application.
Claims (5)
1. The utility model provides a three-phase full wave rectification mounting structure for aero-motor which characterized in that includes:
the rectifying support (2) comprises a main body part (21) with a hollow cylinder structure and a plurality of fixing plates (22) which are arranged on the outer circumference of the main body part (21) and extend along the radial direction, and the rectifying support (2) is sleeved on a hollow shaft (9) of the motor;
The bus plate (1) comprises two mutually isolated parts, namely a cathode end and an anode end, wherein three rectifier diodes (8) are fixed on each part, and the bus plate (1) is fixed on a fixed plate (22) of the rectifier bracket (2);
One end of the rectifying diode (8) is connected with the exciting motor rotor (10), the other end of the rectifying diode is an output end, and the output end is connected with the main generator rotor (11) through a wire after being rectified through a bus plate;
The main body part of the rectifying support (2) is provided with a ring groove (211) for winding a protection resistor, the output end of the rectifying diode (8) is connected with the protection resistor after being rectified by a bus plate, and then a lead of the protection resistor is led out through a notch arranged on the ring groove (211) so as to be connected with the main generator rotor (11);
Through holes are formed in the bus plate (1) and the fixing plate (22) of the rectifying support (2), and the bus plate (1) is fixed on the fixing plate (22) of the rectifying support (2) through rivets (3);
the fixed plates (22) of the rectification support (2) are provided with two groups, each group is provided with two fixed plates (22), each part of the bus plate (1) is fixed through the two fixed plates (22), and three mounting holes are formed in the bus plate (1) between the two fixed plates (22) and at two sides of the two fixed plates (22) for mounting three rectification diodes of three-phase full-wave rectification.
2. The three-phase full-wave rectification mounting structure for an aero-motor according to claim 1, wherein:
Rivet (3) when through the through-hole on fixed plate (22) of rectification support (2), through insulation component with fixed plate (22) of rectification support (2) keep apart, insulation component includes insulating washer (5), insulating bush (6) and insulation board (7), insulating washer (5) set up between the first face of head and fixed plate (22) of rivet (3), insulating bush (6) cover is established on rivet (3), and arrange in the through-hole of fixed plate (22), insulation board (7) set up between the second face of busbar (1) and fixed plate (22).
3. The three-phase full-wave rectification mounting structure for an aero-motor according to claim 2, wherein:
An elastic gasket (4) is further arranged between the insulating gasket (5) and the head of the rivet (3).
4. The three-phase full-wave rectification mounting structure for an aero-motor according to claim 1, wherein:
The inner wall of the main body part (21) of the rectifying support (2) is provided with a guide groove (212) which is arranged along the axial direction and used for guiding the rectifying support (2) to be sleeved on the hollow shaft (9).
5. The three-phase full-wave rectification mounting structure for an aero-motor according to claim 1, wherein:
and a limiting device is arranged on the main body part (21) of the rectifying support (2) and used for adjusting the axial position of the rectifying support (2) on the hollow shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011485998.0A CN112688494B (en) | 2020-12-16 | 2020-12-16 | Three-phase full-wave rectification mounting structure for aviation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011485998.0A CN112688494B (en) | 2020-12-16 | 2020-12-16 | Three-phase full-wave rectification mounting structure for aviation motor |
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| Publication Number | Publication Date |
|---|---|
| CN112688494A CN112688494A (en) | 2021-04-20 |
| CN112688494B true CN112688494B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011485998.0A Active CN112688494B (en) | 2020-12-16 | 2020-12-16 | Three-phase full-wave rectification mounting structure for aviation motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951076A (en) * | 2010-09-14 | 2011-01-19 | 国营北京曙光电机厂 | Bracket assembly of exciter rotor of aero alternator |
| CN105305727A (en) * | 2015-10-14 | 2016-02-03 | 北京曙光航空电气有限责任公司 | Protection structure of high-speed alternating-current generator rotation half-wave rectifier bridge |
| CN207677583U (en) * | 2017-12-19 | 2018-07-31 | 湘潭电机股份有限公司 | A kind of excitation generator rectification module fixing device and excitation generator |
| CN108418329A (en) * | 2018-03-23 | 2018-08-17 | 南京航空航天大学 | A kind of novel brushless exciter rotor field spider component for aerogenerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0704552D0 (en) * | 2007-03-09 | 2007-04-18 | Goodrich Control Sys Ltd | Rotating rectifier |
-
2020
- 2020-12-16 CN CN202011485998.0A patent/CN112688494B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951076A (en) * | 2010-09-14 | 2011-01-19 | 国营北京曙光电机厂 | Bracket assembly of exciter rotor of aero alternator |
| CN105305727A (en) * | 2015-10-14 | 2016-02-03 | 北京曙光航空电气有限责任公司 | Protection structure of high-speed alternating-current generator rotation half-wave rectifier bridge |
| CN207677583U (en) * | 2017-12-19 | 2018-07-31 | 湘潭电机股份有限公司 | A kind of excitation generator rectification module fixing device and excitation generator |
| CN108418329A (en) * | 2018-03-23 | 2018-08-17 | 南京航空航天大学 | A kind of novel brushless exciter rotor field spider component for aerogenerator |
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| Publication number | Publication date |
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| CN112688494A (en) | 2021-04-20 |
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