CN104022601A - Low-noise vehicle AC generator - Google Patents
Low-noise vehicle AC generator Download PDFInfo
- Publication number
- CN104022601A CN104022601A CN201410274800.2A CN201410274800A CN104022601A CN 104022601 A CN104022601 A CN 104022601A CN 201410274800 A CN201410274800 A CN 201410274800A CN 104022601 A CN104022601 A CN 104022601A
- Authority
- CN
- China
- Prior art keywords
- blade
- flabellum
- central angle
- matrix
- datum mark
- 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.)
- Pending
Links
Landscapes
- Synchronous Machinery (AREA)
Abstract
The invention discloses a low-noise vehicle AC generator. The low-noise vehicle AC generator comprises a stator, a rotor and a three-phase rectifier ridge connected with a generator body. An iron core of the stator is made of silicon steel sheets. A rectifier diode on the three-phase rectifier bridge is a germanium tube. A claw pole is installed on a rotor shaft and is an oblique claw. The rotor shaft is provided with a front blade located at the front of the generator body and a rear blade located at the back of the generator body respectively. The generator is high in efficiency and low in noise.
Description
Technical field
The present invention relates to a kind of low noise vehicle alternator.
Background technology
The stator material of existing alternator for vehicle generally adopts 08 steel, the mild steel such as 08F, the not oblique utmost point of the rotor claw utmost point, fan leaf adopts even number sheet equal angles distributed architecture more, during due to generator high speed, frequency is higher, due to eddy current and magnetic hysteresis loss larger, and rectifies loss (diode has 0.5V～0.7V pressure drop) causes more greatly current vehicle alternator efficiency lower, the efficiency that generally can only reach 55%～58% left and right, the conversion ratio of energy is not ideal enough; Because being designed to circumferencial direction even angle between even number sheet and sheet and sheet more, rotor fan leaf blade distributes, more than alternating current generator is generally all operated in the rotating speed of 3000rpm/min on engine, the fan noise being produced by obstructed blade so easily produces resonance, and machinery noise measured value is larger; Rotor claw mostly is straight pawl structure (as not skewed slot of asychronous dynamo cage rotor) before looking as far as the eye can, motor is because the electromagnetic noise that slot ripples produces is fairly obvious so; Before and after electric machine built-in, fan leaf all designs to such an extent that have solder joint, whole manufacture process need to have this operation of welding flabellum, and operation is more loaded down with trivial details, and welds and need to drop into percussion welder, and welding process power supply expends larger.In prior art, electric efficiency is low, wastes energy, and economy is bad; Noise is larger.
Summary of the invention
For the defect existing in prior art, the invention provides a kind of low noise vehicle alternator.
A kind of low noise vehicle alternator, described generator comprises stator, rotor and the three-phase commutation bridge being connected with generator; Described stator core is made up of silicon steel sheet, and on three-phase commutation bridge, rectifier diode is germanium tube, and the pawl utmost point is installed on armature spindle, and pawl is tapered jaw very, is separately installed with front flabellum and the rear flabellum of the front and rear that is positioned at generator by described armature spindle.
Optionally, described rear flabellum comprises rear matrix (1.1), rear matrix is provided with multiple blades on (1.1), the datum mark that the intersection point of each blade and flabellum pitch circle (1.2) is this blade, blade is upper by counterclockwise sequentially arranging at rear matrix (1.1), by facing mutually the central angle that two angles corresponding to the arc length between datum mark are blade in each datum mark of counterclockwise arranging, the central angle of two blades that the central angle of each blade is adjacent is different.
Optionally, described front flabellum, comprise front matrix (2.1), front matrix is provided with multiple blades on (2.1), the datum mark that the intersection point of each blade and flabellum pitch circle (2.2) is this blade, blade is upper by counterclockwise sequentially arranging at front matrix (2.1), by facing mutually the central angle that two angles corresponding to the arc length between datum mark are blade in each datum mark of counterclockwise arranging, the central angle of two blades that the central angle of each blade is adjacent is different, each blade all has the first tapered plane (2.12) and the second tapered plane (2.13) that are connected with front matrix (2.1), between the first tapered plane (2.12) and the second tapered plane (2.13), be acute angle.
Optionally, the described pawl utmost point, include yoke (3.3), there is axis hole (3.4) center of yoke (3.3), the periphery of yoke (3.3) is evenly distributed with 6 ratchets (3.1), is formed with circular groove (3.2) between each ratchet (3.1), and the corresponding central angle of cambered surface of groove is 60 degree, angle between the center line of the center line of groove (3.2) and corresponding ratchet (3.1) is 30 degree, and ratchet (3.1) is for having the helical teeth of trapezoid cross section.
Compared with prior art, a technical scheme in technique scheme has the following advantages or beneficial effect: efficiency is high, and noise is low.
brief description of the drawings
Fig. 1 is the structural representation of the rear flabellum of generator of the present invention;
Fig. 2 is the structural representation of the front flabellum of generator of the present invention;
Fig. 3 is the structural representation of the pawl utmost point of generator of the present invention;
Fig. 4 is the profile of the pawl utmost point of the present invention along A-A direction.
Embodiment
Below in conjunction with accompanying drawing, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
A kind of low noise vehicle alternator, generator comprises stator, rotor and the three-phase commutation bridge being connected with generator, stator core is made up of 50WW800 silicon steel sheet, on three-phase commutation bridge, rectifier diode is that pressure drop is the germanium tube of 0.3V, the pawl utmost point is installed on armature spindle, pawl is tapered jaw very, and radiator fan is installed on respectively front flabellum and the rear flabellum of the front and rear of generator by armature spindle, is equal angles odd number sheet mechanism not.When installation, by the rotor shaft shoulder, flabellum is fixed.
Consult Fig. 1, rear flabellum of the present invention comprises rear matrix 1.1, on rear matrix 11, be provided with 11 blades, the intersection point of each blade and flabellum pitch circle 1.2 is the datum mark of this blade, and 11 blades by anticlockwise arrangement mode are on rear matrix 1.1: the first blade 1.3, the second blades 1.4, the 3rd blade 1.5,, the tenth blade 1.12, the 11 blades 1.13; Taking the datum mark on the first blade 1.3 as starting point, be its central angle by facing mutually two angles corresponding to the arc length between datum mark in each datum mark of counterclockwise arranging, two central angles that each central angle is adjacent are different, for example central angle can be followed successively by: 33 degree, 31 degree, 30 degree, 28 degree, 34 degree, 24 degree, 35 degree, 28 degree, 43 degree, 46 degree, 28 degree.Each blade all has anticlockwise cambered surface 1.14.
Consult Fig. 2, front flabellum of the present invention comprises front matrix 2.1, on front matrix 2.1, be provided with 9 blades, the intersection point of each blade and flabellum pitch circle 2.2 is the datum mark of this blade, and 9 blades by anticlockwise arrangement mode are on matrix 2.1: the first blade 2.3, the second blades 2.4, the 3rd blade 2.5,, the 9th blade 2.10, the ten blades 2.11; Taking the datum mark on the first blade 2.3 as starting point, be its central angle by facing mutually two angles corresponding to the arc length between datum mark in each datum mark of counterclockwise arranging, two central angles that each central angle is adjacent are different, and for example central angle can be followed successively by: 30 degree, 51 degree, 34 degree, 27 degree, 58 degree, 35 degree, 46 degree, 41 degree, 38 degree.Each blade all has between the first tapered plane 2.12 of being connected with front matrix 2.1 and the second tapered plane 2.13, the first tapered planes 2.12 and the second tapered plane 2.13 and is acute angle.
Consult Fig. 3,4, the described pawl utmost point, include yoke 3.3, there is axis hole 3.4 center of yoke 3.3, the periphery of yoke 3.3 is evenly distributed with some ratchets 3.1,3.1 of each ratchets are formed with circular groove 3.2, and the corresponding central angle of cambered surface of groove is 60 degree, and the angle between the center line of groove 3.2 and the center line of corresponding ratchet 3.1 is 30 degree.The cross section of ratchet 3.1 can be trapezoidal, and the number of ratchet 3.1 can be 6, and ratchet 3.1 is for having the helical teeth of trapezoid cross section.
Generator of the present invention, magnetic hysteresis and eddy current loss reduce greatly; The rectifier loss being caused by three phase rectifier reduces greatly; Electromagnetic noise reduces greatly; Fan noise reduces greatly.
Above the present invention is described in detail, has applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (4)
1. a low noise vehicle alternator, is characterized in that, described generator comprises stator, rotor and the three-phase commutation bridge being connected with generator; Described stator core is made up of silicon steel sheet, and on three-phase commutation bridge, rectifier diode is germanium tube, and the pawl utmost point is installed on armature spindle, and pawl is tapered jaw very, is separately installed with front flabellum and the rear flabellum of the front and rear that is positioned at generator by described armature spindle.
2. alternating current generator according to claim 1, it is characterized in that, described rear flabellum comprises rear matrix (1.1), rear matrix is provided with multiple blades on (1.1), the datum mark that the intersection point of each blade and flabellum pitch circle (1.2) is this blade, blade is upper by counterclockwise sequentially arranging at rear matrix (1.1), by facing mutually the central angle that two angles corresponding to the arc length between datum mark are blade in each datum mark of counterclockwise arranging, the central angle of two blades that the central angle of each blade is adjacent is different.
3. alternating current generator according to claim 1, it is characterized in that, described front flabellum, comprise front matrix (2.1), front matrix is provided with multiple blades on (2.1), the datum mark that the intersection point of each blade and flabellum pitch circle (2.2) is this blade, blade is upper by counterclockwise sequentially arranging at front matrix (2.1), by facing mutually the central angle that two angles corresponding to the arc length between datum mark are blade in each datum mark of counterclockwise arranging, the central angle of two blades that the central angle of each blade is adjacent is different, each blade all has the first tapered plane (2.12) and the second tapered plane (2.13) that are connected with front matrix (2.1), between the first tapered plane (2.12) and the second tapered plane (2.13), be acute angle.
4. alternating current generator according to claim 1, it is characterized in that, the described pawl utmost point, include yoke (3.3), there is axis hole (3.4) center of yoke (3.3), the periphery of yoke (3.3) is evenly distributed with 6 ratchets (3.1), between each ratchet (3.1), be formed with circular groove (3.2), the corresponding central angle of cambered surface of groove is 60 degree, angle between the center line of the center line of groove (3.2) and corresponding ratchet (3.1) is 30 degree, and ratchet (3.1) is for having the helical teeth of trapezoid cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274800.2A CN104022601A (en) | 2014-06-19 | 2014-06-19 | Low-noise vehicle AC generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274800.2A CN104022601A (en) | 2014-06-19 | 2014-06-19 | Low-noise vehicle AC generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104022601A true CN104022601A (en) | 2014-09-03 |
Family
ID=51439219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410274800.2A Pending CN104022601A (en) | 2014-06-19 | 2014-06-19 | Low-noise vehicle AC generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949979A (en) * | 2015-09-15 | 2018-04-20 | 三菱电机株式会社 | Vehicle alternator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080048530A1 (en) * | 2006-08-25 | 2008-02-28 | Industrial Technology Research Institute | Electric generator |
| CN101285482A (en) * | 2008-05-22 | 2008-10-15 | 永济新时速电机电器有限责任公司 | Electric motor fan |
| CN201918872U (en) * | 2011-01-17 | 2011-08-03 | 田振荣 | Electric excitation brushless generator provided with permanent magnet |
| CN203660688U (en) * | 2014-01-13 | 2014-06-18 | 宁海县满益汽配有限公司 | Automotive generator claw pole |
-
2014
- 2014-06-19 CN CN201410274800.2A patent/CN104022601A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080048530A1 (en) * | 2006-08-25 | 2008-02-28 | Industrial Technology Research Institute | Electric generator |
| CN101285482A (en) * | 2008-05-22 | 2008-10-15 | 永济新时速电机电器有限责任公司 | Electric motor fan |
| CN201918872U (en) * | 2011-01-17 | 2011-08-03 | 田振荣 | Electric excitation brushless generator provided with permanent magnet |
| CN203660688U (en) * | 2014-01-13 | 2014-06-18 | 宁海县满益汽配有限公司 | Automotive generator claw pole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949979A (en) * | 2015-09-15 | 2018-04-20 | 三菱电机株式会社 | Vehicle alternator |
| US20180183297A1 (en) * | 2015-09-15 | 2018-06-28 | Mitsubishi Electric Corporation | Vehicular ac power generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015161668A1 (en) | Permanent magnet synchronous motor and rotor thereof | |
| JP2006254638A (en) | Rotating electric machine and wind force power generating system | |
| CN204030760U (en) | The rotor structure of permagnetic synchronous motor | |
| EP2733832A1 (en) | Power generating device | |
| CN202513786U (en) | Stator core of motor | |
| EP3202020B1 (en) | Magnetless rotary electric machine | |
| CN104393731B (en) | A kind of new-energy automobile and its permagnetic synchronous motor | |
| CN105990929B (en) | Rotating electric machine | |
| JP6424729B2 (en) | Electric rotating machine | |
| JP5805046B2 (en) | Vehicle motor and vehicle generator | |
| CN104022601A (en) | Low-noise vehicle AC generator | |
| RU2568646C1 (en) | COMBINED WINDING FOR ELECTRIC MACHINE DESIGNED PER 2p=12, z=36 | |
| CN203687860U (en) | Apparatus for determining position of brushes of DC motor | |
| CN207603313U (en) | It has synchronized and has brushed hair motor quadrupole stator-rotor iron core punching | |
| CN205017122U (en) | Stator core and motor | |
| CN105262246A (en) | Long strip-shaped silicon steel punching sheet of brushless DC motor and stator comprising same | |
| JP2016158460A (en) | Rotary electric machine | |
| CN204145114U (en) | A kind of efficiency utilization dust core material is to reduce the claw-pole motor rotor structure of iron loss | |
| JP6344144B2 (en) | Reluctance motor | |
| CN202444354U (en) | Special generator for internal combustion engine | |
| CN201403005Y (en) | Low-cost current excitation motor | |
| CN109038875B (en) | Motor and stator core thereof | |
| CN106130204A (en) | Motor, stator core and stator punching sheet thereof | |
| JP2016189697A (en) | Permanent magnet power generator | |
| CN104362779A (en) | Claw pole motor rotor structure efficiently utilizing compressed-powder iron core material to lower iron loss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140903 |
|
| RJ01 | Rejection of invention patent application after publication |