CN204425155U - Airborne photoelectric radar permagnetic synchronous motor - Google Patents
Airborne photoelectric radar permagnetic synchronous motor Download PDFInfo
- Publication number
- CN204425155U CN204425155U CN201520008043.4U CN201520008043U CN204425155U CN 204425155 U CN204425155 U CN 204425155U CN 201520008043 U CN201520008043 U CN 201520008043U CN 204425155 U CN204425155 U CN 204425155U
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- synchronous motor
- permagnetic synchronous
- hollow axle
- casing
- airborne photoelectric
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Abstract
The utility model provides a kind of airborne photoelectric radar permagnetic synchronous motor, this permagnetic synchronous motor adopts the structure of hollow axle, hollow axle is provided with opto-electronic testing apparatus and rotor, stator press-loading is on casing, admittedly, rotating part and the hollow axle of grating encoder are fixed, and the standing part of grating encoder is fixed on casing by encoder basement for casing and end cap spiral shell, bearing drives hollow axle to rotate, thus the relative rotation of rotor driven and stator.The utility model has the advantages that effective transmission of guaranteeing to survey and draw light path, reduce electric system volume and weight; Good reliability, running speed are high, input power is little, the speed stability of motor is good.
Description
Technical field
The utility model relates to permagnetic synchronous motor, particularly a kind of airborne photoelectric radar permagnetic synchronous motor being applicable to electro-optic radar.
Background technology
Along with the development of China's aeronautical technology, current onboard radar system is faced with the problems such as electronic jamming, anti-radiation weapon attack, electromagnetism stealth, the extreme low-altitude invasion in low latitude day by day.Therefore, fighter plane is when hidden closing with the enemy, and use electro-optic radar mapping to provide the azimuth information of target, the kinematicchain element such as position, speed accurately obtaining target completes combat mission tool to modern opportunity of combat and is of great significance.In the radar navigator of aircraft, adopt the photoelectricity mapping system of high-speed cruising to carry out location identification, need driver part by load operation to relatively high rotating speed so that the positional information of Real-Time Monitoring operational objective.
Permanent magnet synchronous motor is mainly used in the photoelectricity mapping system in fighter plane electro-optic radar system, is the main driving dynamical element in system.
Utility model content
Technical problem to be solved in the utility model to provide the airborne photoelectric radar permagnetic synchronous motor that a kind of volume compact, good reliability, running speed are high, input power is little.
In order to solve above technical problem, the utility model provides a kind of airborne photoelectric radar permagnetic synchronous motor, this permagnetic synchronous motor adopts the structure of hollow axle, hollow axle is provided with opto-electronic testing apparatus and rotor, stator press-loading is on casing, and casing and end cap spiral shell are admittedly, rotating part and the hollow axle of grating encoder are fixed, the standing part of grating encoder is fixed on casing by encoder basement, and bearing drives hollow axle to rotate, thus the relative rotation of rotor driven and stator.
The embedded magnet steel of described rotor, effectively reduces cogging torque when motor runs, improves high speed operation of motor stability.
Described magnet steel adopts the punching material of the low iron loss of high magnetic conduction, effectively reduces iron loss during high-speed cruising, reduces input power when motor runs.
The light of described opto-electronic testing apparatus transmits from the hollow space of hollow axle, guarantees effective transmission of surveying and drawing light path, reduces electric system volume and weight.
Described electric machine assembly adopts 4 pole 15 groove winding distribution forms, improves winding sine, reduces cogging torque, improves steady speed precision.
Described electric machine assembly adopts high-precision grating encoder as position transducer.
Superior effect of the present utility model is:
1) the utility model adopts the structure of hollow axle, guarantees effective transmission of surveying and drawing light path, reduces electric system volume and weight;
2) rotor adopts the structure of embedded magnet steel, effectively reduces cogging torque when motor runs, improves high speed operation of motor stability;
3) adopt the punching material of the low iron loss of high magnetic conduction, effectively reduce iron loss during high-speed cruising, reduce input power when motor runs;
4) electric machine assembly adopts 4 pole 15 groove winding distribution forms, improves winding sine, reduces cogging torque, improves steady speed precision;
5) the utility model has volume compact, good reliability, running speed is high, input power is little, the speed stability of motor is good advantage, motor rated speed is 6000r/min, input power is 50W, mean speed precision is then stabilized in about 0.0005, and have a wide range of applications value in various civilian mapping system.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model;
Number in the figure explanation
1-grating encoder; 2-encoder basement;
3-casing; 4-stator;
5-end cap; 6-rotor;
7-bearing; 8-hollow axle.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Embodiment of the present utility model is described in detail below in conjunction with Fig. 1.
Fig. 1 shows structural representation of the present utility model.As shown in Figure 1, the utility model provides a kind of airborne photoelectric radar permagnetic synchronous motor, this permagnetic synchronous motor adopts the structure of hollow axle 8, hollow axle 8 is provided with opto-electronic testing apparatus and rotor 6, stator 4 is fitted on casing 3, casing 3 and end cap 5 are integrally fixed by screw, rotating part and the hollow axle 8 of grating encoder 1 are fixed, the standing part of grating encoder 1 is fixed on casing 3 by encoder basement 2, bearing 7 drives hollow axle 8 to rotate, thus the relative rotation of rotor driven 6 and stator 4.
The embedded magnet steel of described rotor 6, effectively reduces cogging torque when motor runs, improves high speed operation of motor stability.
Described magnet steel adopts the punching material of the low iron loss of high magnetic conduction, effectively reduces iron loss during high-speed cruising, reduces input power when motor runs.
The light of described opto-electronic testing apparatus transmits from the hollow space of hollow axle 8, guarantees effective transmission of surveying and drawing light path, reduces electric system volume and weight.
Described electric machine assembly adopts 4 pole 15 groove winding distribution forms, improves winding sine, reduces cogging torque, improves steady speed precision.
Described electric machine assembly adopts high-precision grating encoder as position transducer.
Important technological parameters of the present utility model is as follows: motor rated speed is 6000r/min, input power is 50W, mean speed precision is then stabilized in about 0.0005.
The foregoing is only preferred embodiments of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. an airborne photoelectric radar permagnetic synchronous motor, it is characterized in that: this permagnetic synchronous motor adopts the structure of hollow axle, hollow axle is provided with opto-electronic testing apparatus and rotor, stator press-loading is on casing, admittedly, rotating part and the hollow axle of grating encoder are fixed, and the standing part of grating encoder is fixed on casing by encoder basement for casing and end cap spiral shell, bearing drives hollow axle to rotate, thus the relative rotation of rotor driven and stator.
2. airborne photoelectric radar permagnetic synchronous motor according to claim 1, is characterized in that: the embedded magnet steel of described rotor.
3. airborne photoelectric radar permagnetic synchronous motor according to claim 2, is characterized in that: described magnet steel adopts the punching material of the low iron loss of high magnetic conduction.
4. airborne photoelectric radar permagnetic synchronous motor according to claim 1, is characterized in that: the light of described opto-electronic testing apparatus transmits from the hollow space of hollow axle.
5. airborne photoelectric radar permagnetic synchronous motor according to claim 1, is characterized in that: described electric machine assembly adopts 4 pole 15 groove winding distribution forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008043.4U CN204425155U (en) | 2015-01-07 | 2015-01-07 | Airborne photoelectric radar permagnetic synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008043.4U CN204425155U (en) | 2015-01-07 | 2015-01-07 | Airborne photoelectric radar permagnetic synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425155U true CN204425155U (en) | 2015-06-24 |
Family
ID=53475483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520008043.4U Active CN204425155U (en) | 2015-01-07 | 2015-01-07 | Airborne photoelectric radar permagnetic synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204425155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112236649A (en) * | 2019-11-04 | 2021-01-15 | 深圳市大疆创新科技有限公司 | Sensor, movable platform and microwave radar sensor |
-
2015
- 2015-01-07 CN CN201520008043.4U patent/CN204425155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112236649A (en) * | 2019-11-04 | 2021-01-15 | 深圳市大疆创新科技有限公司 | Sensor, movable platform and microwave radar sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |