CN216016645U - Rotary rectifier bridge structure of aviation motor - Google Patents
Rotary rectifier bridge structure of aviation motor Download PDFInfo
- Publication number
- CN216016645U CN216016645U CN202121771190.9U CN202121771190U CN216016645U CN 216016645 U CN216016645 U CN 216016645U CN 202121771190 U CN202121771190 U CN 202121771190U CN 216016645 U CN216016645 U CN 216016645U
- Authority
- CN
- China
- Prior art keywords
- rectifier
- bridge structure
- rectifier bridge
- lug
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Synchronous Machinery (AREA)
Abstract
The utility model belongs to the technical field of structural design of an aviation motor, and relates to a rotary rectifier bridge structure of the aviation motor. The rectifier bridge structure consists of 3 groups of bridge arms, wherein the 3 groups of bridge arms are fixed on the end face of an exciter rotor core, and each group of bridge arms comprises a rectifier tube bracket (1), 2 rotary rectifier tubes (2), a winding lug plate (4), an insulating gasket (6) and a lug plate (7); the utility model adopts threaded connection, can save axial structural space, can omit welding process, improves the reliability of rectifier tube installation, and avoids the failure of arranging tubes caused by the welding process.
Description
Technical Field
The utility model belongs to the technical field of structural design of an aviation motor, and relates to a rotary rectifier bridge structure of the aviation motor.
Background
The aviation brushless alternating current synchronous generator realizes brushless excitation through a rotating rectifier bridge, and converts alternating current output by an excitation generator into direct current to be supplied to a main generator as excitation current. Because of the special working environment of the aviation motor, the general rotating speed of the aviation motor is higher, and the rotor needs to bear severe vibration, impact and the like, the damage of the rectifier tube often occurs. Therefore, how to provide a structure that can be easily assembled and disassembled and has a firm and reliable structure is a technical problem that needs to be solved urgently by those skilled in the art. The rotary rectifier bridge is divided into a half-wave rectifier bridge and a full-wave rectifier bridge, and the structure design of the full-wave rotary rectifier bridge is provided.
Disclosure of Invention
The purpose of the utility model is: the structure of the rotary rectifier bridge is provided, the axial installation space is reduced, and the installation efficiency and reliability are improved. The potential damage to the rectifier tube in installation caused by the tensile force of the welding lead is avoided, and the failure rate is reduced.
The technical scheme of the utility model is as follows: a motor rotating rectifier bridge structure is composed of 3 groups of bridge arms, wherein the 3 groups of bridge arms are fixed on the end face of an exciter rotor core, and each group of bridge arms comprises a rectifier tube bracket 1, 2 rotating rectifier tubes 2, a winding lug 4, an insulating gasket 6 and a lug 7; 2 rotatory rectifying tube 2 are fixed respectively at the both ends of rectifying tube support 1, and winding lug 4 is fixed at the middle part of rectifying tube support 1, and a utmost point of rotatory rectifying tube 2 is fixed on rectifying tube support 1, and lug 7 is fixed on another utmost point of rotatory rectifying tube 2, is equipped with insulating gasket 6 between lug 7 and the rotatory rectifying tube 2.
The rotary rectifying tube 2 is in a bolt and internal thread type structure.
The rectifier tube bracket 1 is fixed with a positive rotary rectifier tube 2 and a negative rotary rectifier tube 2.
The rectifier tube support 1 is fixed on the end face of the exciter rotor core through a rivet 3.
And the lug plate 7 is an output end of the rectifier bridge structure.
And the winding lug 4 is a three-phase input end of a rectifier bridge structure.
The utility model has the advantages that: the full-wave rotating rectifier bridge structure is in threaded connection, axial structural space can be saved, a welding process can be omitted, reliability of rectifier tube installation is improved, and faults of the rectifier tube due to the welding process are avoided.
Drawings
FIG. 1 is a schematic diagram of the electrical coupling of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
Wherein: 1-rectifier tube support, 2-rotary rectifier tube, 3-rivet, 4-winding lug, 5-first screw, 6-insulating gasket, 7-lug and 8-second screw.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 2-3, a rotary rectifier bridge structure of an electric machine, the rectifier bridge structure is composed of 3 sets of bridge arms, each set of bridge arms includes a rectifier tube support 1, 2 rotary rectifier tubes 2 and rivets 3, a winding lug 4, a first screw 5, an insulating gasket 6, a lug 7, and a second screw 8; the rotary rectifier tube 2 is bolt and internal thread formula appearance, fix on rectifier tube support 1, two positive and negative rotary rectifier tubes 2 are fixed on the rectifier tube support 1, 3 groups of bridge arms are riveted on exciter rotor core terminal surface through rivet 3, three rectifier tube supports of circumference total distribute inside the steel bushing of exciter winding tip, three lead-out wires and three lug 7 are welded respectively to main generator excitation winding positive and negative poles, six lug 7 total are fixed in on another pole of six rotary rectifier tubes 2 through second screw 8, the middle short circuit through 6 isolated lug 7 of insulating gasket and rotary rectifier tube 2 casing. A three-phase lead-out wire of an exciter armature winding is welded with a lug plate 4 and then fixed on 3 rectifier tube brackets 1 by first screws 5. One end of the positive electrode and the negative electrode of the rotary rectifying tube 2 is fixed on the rectifying tube support to realize electrical connection, and the other end of the rotary rectifying tube is directly fastened with a main generator excitation winding outgoing line lug 7 through a second screw 8.
As shown in fig. 1, the input end of the rectifier bridge structure is an exciter three-phase armature winding and has three junctions, and the output end of the rectifier bridge structure has six junctions and is connected to the main generator excitation winding.
Claims (6)
1. A motor rotating rectifier bridge structure is characterized in that the rectifier bridge structure consists of 3 groups of bridge arms, the 3 groups of bridge arms are fixed on the end face of an exciter rotor core, and each group of bridge arms comprises a rectifier tube bracket (1), 2 rotating rectifier tubes (2), a winding lug (4), an insulating gasket (6) and a lug (7); 2 rotatory rectifying tube (2) are fixed respectively at the both ends of rectifying tube support (1), and winding lug (4) are fixed at the middle part of rectifying tube support (1), and one utmost point of rotatory rectifying tube (2) is fixed on rectifying tube support (1), and lug (7) are fixed in on the other utmost point of rotatory rectifying tube (2), are equipped with insulating gasket (6) between lug (7) and rotatory rectifying tube 2.
2. The rotating rectifier bridge structure of an electric machine according to claim 1, characterized in that the rotating rectifier tube (2) is a bolt and internal thread type structure.
3. The rotating rectifier bridge structure of the motor according to claim 1, characterized in that a positive rotating rectifier tube (2) and a negative rotating rectifier tube (2) are fixed on the rectifier tube support (1).
4. The rotating rectifier bridge structure of the motor according to claim 1, characterized in that the rectifier tube support (1) is fixed on the end face of the exciter rotor core by a rivet (3).
5. The rotating rectifier bridge structure of an electric machine according to claim 1, characterized in that said lug (7) is the output of the rectifier bridge structure.
6. An electric machine rotating rectifier bridge structure according to claim 1, characterized in that said winding lug (4) is the three-phase input of the rectifier bridge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771190.9U CN216016645U (en) | 2021-07-30 | 2021-07-30 | Rotary rectifier bridge structure of aviation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121771190.9U CN216016645U (en) | 2021-07-30 | 2021-07-30 | Rotary rectifier bridge structure of aviation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216016645U true CN216016645U (en) | 2022-03-11 |
Family
ID=80589760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121771190.9U Active CN216016645U (en) | 2021-07-30 | 2021-07-30 | Rotary rectifier bridge structure of aviation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216016645U (en) |
-
2021
- 2021-07-30 CN CN202121771190.9U patent/CN216016645U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113241864B (en) | Stator structure for efficient canned motor pump and canned motor pump | |
| CN216016645U (en) | Rotary rectifier bridge structure of aviation motor | |
| CN204156697U (en) | A kind of direct-drive permanent magnet wind power generator of bimorph transducer split-type structure | |
| CN201113716Y (en) | Large-capacity synchronizing generator brushless exciter | |
| CN109217712B (en) | Electrostatic induction brushless alternating-current generator | |
| CN212875498U (en) | Damping winding structure suitable for electrodeless damping connection of hydraulic generator | |
| CN210867433U (en) | Direct current motor capable of connecting alternating current | |
| CN201022176Y (en) | A fixing clamp for coiling rotor lead out cable | |
| CN101483371A (en) | Speed regulating electricity generator with constant frequency | |
| CN204772291U (en) | Single -phase frequency conversion driven impacted style electric spanner | |
| CN201549984U (en) | Excitation slip-ring for brush waterwheel generator | |
| CN210724484U (en) | Device for releasing rotor high-frequency voltage of low-voltage 400V and high-power variable-frequency motor | |
| CN1805249A (en) | Intelligent permanent magnet generator | |
| CN202957731U (en) | Brushless excitation hydraulic generator | |
| CN207910573U (en) | A kind of easy-to-mount battery plate motor assembly | |
| CN218482716U (en) | Novel leading-out fixing structure of pole coil | |
| CN111564931A (en) | Three-stage brushless AC synchronous generator and rotary rectifier | |
| CN112688494B (en) | Three-phase full-wave rectification mounting structure for aviation motor | |
| CN201868969U (en) | Wave winding of brushless exciter | |
| CN204835749U (en) | Large -scale synchronous motor excitation coil connection structure | |
| CN107634599A (en) | A kind of novel three phase asynchronous motor method of winding stator | |
| CN216530880U (en) | Substitute motor termination | |
| CN219999168U (en) | Connection structure of conducting rod in sectional type rotor | |
| CN202183651U (en) | Mounting structure of rectifying module of low-power synchronous generator | |
| CN117458760A (en) | Three-stage power generation system without rotary rectifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |