CN2812396Y - Co-pivot AC/DC brushless generator - Google Patents
Co-pivot AC/DC brushless generator Download PDFInfo
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- CN2812396Y CN2812396Y CN 200520097218 CN200520097218U CN2812396Y CN 2812396 Y CN2812396 Y CN 2812396Y CN 200520097218 CN200520097218 CN 200520097218 CN 200520097218 U CN200520097218 U CN 200520097218U CN 2812396 Y CN2812396 Y CN 2812396Y
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Abstract
A kind of Coarmature type AC-DC brushless electric generator is characterized in that being distributed with alternating current-direct current two cover windings, the coaxial brushless exciter that is provided with in single armature.The utility model can provide the AC power and the less DC power supply of direct voltage ripple value of certain frequency simultaneously, collection alternative electric generation and DC generation are one, realize non-brushing, have cancelled commutator and brush, the no-spark High-frequency Interference, commutatorless and carbon brush wearing and tearing; Alternating voltage and direct voltage do not disturb mutually during generating, and the alternating voltage waveform sine is good, and direct voltage ripple value is less, and power supply quality is good; Do not need step-down transformer can directly be rectified into low-voltage dc power supply; Generator reliability height is safeguarded simply, realizes the intelligent automation control in power station easily.
Description
Technical field
The utility model relates to a kind of Coarmature type AC-DC brushless electric generator.
Background technology
AC power can be provided by single alternating current generator, and DC power supply can be provided by single DC generator, and AC power and DC power supply are provided simultaneously, and having only by an alternating current generator and a DC generator provides.And traditional DC generator has commutator and brush, and this kind generator is the commutator structure, produces spark during operation, radio interference is big, the wearing and tearing easily of sliding, maintenance and repair difficulty, exciting current is big, and Excitation Controller is big and complicated, is difficult to realize automation control.The another kind of way of obtaining DC power supply is: adopt common alternating current generator, with alternating voltage step-down, rectification then.So just need step-down transformer, and direct voltage ripple value is bigger.
Summary of the invention
The purpose of this utility model is to provide a kind of Coarmature type AC-DC brushless electric generator, and the AC power and the less DC power supply of direct voltage ripple value of certain frequency can be provided simultaneously.
The utility model is achieved like this, it comprises brushless exciter, rotating rectifier, fan, support, front end housing, rear end cap and bearing, be furnished with the band winding stator core of main generator in the support, the corresponding band wound rotor iron core that is furnished with stator core on the armature spindle, connect front end housing on the seam before the support, connect fan in the rotating shaft in the front end housing, connect rear end cap behind the support on the seam, the brushless exciter stator core of connecting band winding in the rear end cap, be connected the brushless exciter rotor core of connecting band winding in the rotating shaft in the rear end cap between rear end cap and rotating shaft by bearing.The stator core slot of main generator is embedded with AC Windings, the harmonious wave winding of direct current winding, AC Windings can be single-phase or three-phase, export the AC power of certain frequency, be connected to ac voltage regulator between the excitation winding of AC side and exciter, the direct current winding is that six phases or 12 equate, and join the output DC source with polyphase rectifier.The rotor core of main generator has main excitation winding and damping winding.The brushless exciter stator core is embedded with excitation winding, and the AC exciter rotor core is embedded with AC Windings, and a side of brushless exciter rotor core connects rotating rectifier.
Advantage of the present utility model is: Coarmature type AC-DC brushless electric generator can provide the AC power and the less DC power supply of direct voltage ripple value of certain frequency simultaneously.Generator collection alternative electric generation and DC generation are one, realize non-brushing, have cancelled commutator and brush, no-spark High-frequency Interference, commutatorless and carbon brush wearing and tearing; Alternating voltage and direct voltage do not disturb mutually during generating, and the alternating voltage waveform sine is good, and direct voltage ripple value is less, and power supply quality is good; Do not need step-down transformer can directly be rectified into low-voltage dc power supply; Generator reliability height is safeguarded simply, realizes the intelligent automation control in power station easily.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a fundamental diagram of the present utility model.
Fig. 3 is an AC Windings expanded view of the present utility model.
Fig. 4 is a direct current developed winding diagram of the present utility model.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises compositions such as brushless exciter 7, rotating rectifier 6, fan 2, support 3, front end housing 1, rear end cap 8 and bearing 9.Be furnished with the stator core 4 of the band winding of main generator in the support 3, corresponding rotor 5 iron cores of arranging the band winding with stator core on the armature spindle, connect front end housing 1 before the support 3 on the seam, connect fan 2 in the front end housing in the rotating shaft, connect rear end cap 8 behind the support on the seam, the AC exciter stator core of connecting band winding in the rear end cap, be connected by bearing 9 between rear end cap and rotating shaft, stator core slot is embedded with AC Windings W, the harmonious wave winding Ws of direct current winding Wd, rotor core has main excitation winding Wf and damping winding, the AC exciter stator core is embedded with excitation winding We, the AC exciter rotor core is embedded with AC Windings WJ, one side of AC exciter rotor core connects rotating rectifier XQ, and AC Windings W can be single-phase or three-phase, exports the AC power of certain frequency, be connected to ac voltage regulator between the excitation winding of AC Windings and exciter, direct current winding Wd is that six phases or 12 equate, and joins the output DC source with polyphase rectifier D.AC Windings W and direct current winding Wd omnidirectional distribution.
Its operation principle: after engine driven generators reaches rated speed, the humorous wave winding WS of generator remanent magnetism voltage is through voltage regulator AVR rectification, supply with exciter excitation winding WE and strengthen exciter excitation magnetic field, exciter armature winding WJ responds to alternating voltage, through rotating rectifier XQ rectification, supply with main field winding WF and strengthen main field, AC Windings W responds to alternating voltage, direct current winding Wd induction polyphase ac voltage, the many phase alternating current straightening connects through polyphase rectifier D and is rectified into direct voltage, and this voltage constantly raises stable up to rated voltage.The regulation voltage adjuster AVR alternating voltage of can adjusting.
Sent out AC power by making Coarmature type AC-DC brushless electric generator, can directly be rectified into the DC power supply of required voltage value, direct voltage ripple value is again little simultaneously, therefore, this generator output voltage is low, electric current is big, the number of phases is many, its main winding number of turn is few, lead and many around radical, the winding number of phases is many, so that main winding distributes is extremely important.If the generator of one two magnetic pole, three phase windings that distribute under every magnetic pole are divided into cloth six phase windings under two magnetic poles, and every phase winding Sine distribution then forms low-voltage six commutating phases.
Polyphase rectifier is made up of a plurality of rectifying tubes or three phase rectifier module.When forming N commutating phase device by a plurality of rectifying tubes, the positive pole of N rectifying tube is connected together as the negative pole of DC power supply, the negative pole of N rectifying tube connects together as the positive pole of DC power supply, an other end of these two groups of rectifying tubes is linked to be N rectification brachium pontis one by one, respectively being connected together of each rectification brachium pontis and generator formed polyphase rectifier.Polyphase rectifier can be connected in the motor, also can be connected outside the motor.
Claims (3)
1, a kind of Coarmature type AC-DC brushless electric generator, it comprises brushless exciter, rotating rectifier, fan, support, front end housing, rear end cap and bearing, it is characterized in that being furnished with in the support band winding stator core of main generator, the corresponding band wound rotor iron core that is furnished with stator core on the armature spindle, connect front end housing on the seam before the support, connect fan in the rotating shaft in the front end housing, connect rear end cap behind the support on the seam, the brushless exciter stator core of connecting band winding in the rear end cap, be connected the brushless exciter rotor core of connecting band winding in the rotating shaft in the rear end cap between rear end cap and rotating shaft by bearing.
2, Coarmature type AC-DC brushless electric generator according to claim 1 is characterized in that the electricity generator stator core groove is embedded with three cover windings, and a cover is direct current winding Wd for the AC Windings W of single-phase or three-phase a, cover, and a cover is single-phase humorous wave winding W
S
3, Coarmature type AC-DC brushless electric generator according to claim 1 is characterized in that the rotor core groove is embedded with two kinds of windings, a kind of squirrel-cage short-circuited winding of damping cage, and second kind of winding is that salient pole is directly around excitation winding W
F
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097218 CN2812396Y (en) | 2005-07-15 | 2005-07-15 | Co-pivot AC/DC brushless generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097218 CN2812396Y (en) | 2005-07-15 | 2005-07-15 | Co-pivot AC/DC brushless generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2812396Y true CN2812396Y (en) | 2006-08-30 |
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ID=36938783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520097218 Expired - Fee Related CN2812396Y (en) | 2005-07-15 | 2005-07-15 | Co-pivot AC/DC brushless generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2812396Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532291A (en) * | 2012-07-03 | 2014-01-22 | 福建福安闽东亚南电机有限公司 | Generator with fan and driving sheet integrated |
| CN107528412A (en) * | 2017-09-18 | 2017-12-29 | 台州市查里曼新能源科技有限公司 | A kind of two-phase electric machine of AC permanent magnet four-quadrant ten |
-
2005
- 2005-07-15 CN CN 200520097218 patent/CN2812396Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532291A (en) * | 2012-07-03 | 2014-01-22 | 福建福安闽东亚南电机有限公司 | Generator with fan and driving sheet integrated |
| CN107528412A (en) * | 2017-09-18 | 2017-12-29 | 台州市查里曼新能源科技有限公司 | A kind of two-phase electric machine of AC permanent magnet four-quadrant ten |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060830 |