CN206302296U - Composite excitation automobile current generator - Google Patents
Composite excitation automobile current generator Download PDFInfo
- Publication number
- CN206302296U CN206302296U CN201621308926.8U CN201621308926U CN206302296U CN 206302296 U CN206302296 U CN 206302296U CN 201621308926 U CN201621308926 U CN 201621308926U CN 206302296 U CN206302296 U CN 206302296U
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- stator
- rectifier bridge
- current generator
- gripper
- automobile current
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Abstract
The utility model is related to a kind of generator.More specifically, the utility model is related to a kind of composite excitation automobile current generator, including：The rotor of magnet steel is inlayed, it passes through rotating shaft and is separately fixed on the front casing and rear casing of the generator；Stator and rectifier bridge, the stator is set on the periphery of the rotor of the edge magnet steel, the rectifier bridge is arranged on the side of the stator, and the stator and rectifier bridge are divided into two parts, each section stator includes three-phase coil, each section rectifier bridge includes at least three groups rectifying tubes, and each phase coil lead of the stator is connected to one group of rectifying tube of the rectifier bridge；Belt pulley, its one end for being arranged on the rotating shaft.The utility model improves the fan-out capability of automobile generator rectifier bridge, reduces rectifier bridge loss, and output waveform is more steady, substantially reduces the interference to storage battery and vehicle electrical equipment；Real-time control is carried out to output voltage simultaneously, it is ensured that the stabilization of output voltage.
Description
Technical field
The utility model is related to a kind of generator.More specifically, the utility model is related to a kind of composite excitation automobile to send out
Motor.
Background technology
Traditional automobile current generator excitation is to carry out excitation by providing the electric current of the magnet exciting coil on rotor, by excitation
The electric energy of coil only sub-fraction is converted to the magnetic energy for generating electricity, and utilization rate of electrical is low, and the consumption of electric energy is big；Generator is low
Fast poor performance, the universal people Duo Che of existing country's road is squeezed, and numerous traffic lights and bus stop, causes generator often in low
The even overburden operation of fast heavy load, is easily caused generator stator-rotator coil scaling loss, triggers failure.And frequently storage battery is filled
Discharge and shorten storage battery service life.New and effective composite excitation automobile current generator is removed and passes through field coil current excitation on rotor
Outward, also permanent magnet provides excitation, and both synthesize in air gap, and the electric current in regulation magnet exciting coil is adjustable air-gap field,
With reference to electronic voltage controller, the size in magnetic field can just be adjusted, and magnetic field control is easier to realize but this composite excitation automobile
Generator is due to adding permanent magnet so that rotor volume increase, corresponding weight in itself increases, and installing space is limited.
On stator and rectifier bridge, conventional electric generators rectifier bridge, but this can be matched using orthodox car generator unit stator
Plant combination and be adapted to the relatively small generator of output current (output-current rating is less than 90A).When composite excitation automobile generating
When the output current of machine is more than 90A, the fan-out capability reduction of rectifier bridge.
The content of the invention
A purpose of the present utility model is to solve at least the above, and provides the advantage that at least will be described later.
The utility model is it is also an object that improve the fan-out capability of automobile generator rectifier bridge, reduction rectifier bridge is damaged
Consumption, output waveform is more steady, greatly reduces the interference to storage battery and vehicle electrical equipment；Output voltage is carried out in real time simultaneously
Control, it is ensured that the stabilization of output voltage.
In order to realize these purposes of the present utility model and further advantage, there is provided a kind of composite excitation automobile current generator,
Including：
The rotor of magnet steel is inlayed, it passes through rotating shaft and is separately fixed on the front casing and rear casing of the generator；
Stator and rectifier bridge, the stator are set on the periphery of the rotor of the edge magnet steel, and the rectifier bridge is arranged on
The side of the stator, and the stator and rectifier bridge are divided into two parts, each section stator includes three-phase coil, often
A part of rectifier bridge includes at least three groups rectifying tubes, and each phase coil lead of the stator is connected to the rectifier bridge
One group of rectifying tube；
Belt pulley, its one end for being arranged on the rotating shaft.
Two parts stator corresponds to two parts rectifier bridge respectively, i.e., each phase stator lead all corresponds to one group of rectifying tube, rectification
Pipe quantity is doubled, and improves the fan-out capability of rectifier bridge, reduces the loss of rectifier bridge.
Preferably, in described composite excitation automobile current generator, each section rectifier bridge includes three groups of rectifying tubes, often
The three-phase coil of a part of stator is delta connection, and the lead of three end points of three-phase coil is respectively connecting to one group of rectification
Pipe.Delta connection is conducive to improving the power output of generator.
Preferably, in described composite excitation automobile current generator, each section rectifier bridge includes four groups of rectifying tubes, often
The three-phase coil of a part of stator is wye connection, and three end points of three-phase coil and the lead of neutral point are respectively connecting to one
Group rectifying tube.Wye connection is applied to most of motor of automobile, and the scope of application is wider.
Preferably, in described composite excitation automobile current generator, each group of rectifying tube is two commutation diode strings
Connection is formed, and reduces the pressure drop of rectifier bridge.
Preferably, in described composite excitation automobile current generator, also including an electronic controller, the electronic controller
It is connected with the rotor of the edge magnet steel by a switching tube, it is ensured that the stabilization of output voltage.
Preferably, in described composite excitation automobile current generator, the rotor of the edge magnet steel is installed by rotating shaft two ends
Fore bearing and rear bearing fixed with the front casing and rear casing of the generator, connect it is more firm.
Preferably, in described composite excitation automobile current generator, the rotor of the edge magnet steel includes：
Rotating shaft；
A pair of electrical excitation pawl poles, it is set in the rotating shaft in opposite directions, is arranged at intervals with each electrical excitation pawl pole many
Individual gripper, the gripper of a pair of electrical excitation pawl poles is mutually inserted setting；
Multiple permanent magnetic steels, each permanent magnetic steel be separately mounted to a pair of adjacent two grippers of electrical excitation pawl pole it
Between, and multiple permanent magnetic steel is distributed in a pair of electrical excitation pawl poles in sinusoidal wave shape.
Multiple permanent magnetic steels and a pair of electrical excitation pawl poles form integral structure, both reduce spatial volume, alleviate vapour
Car generator amature quality in itself, and ensure that power output with the waveform exported when being powered close to sine wave simultaneously.
Preferably, in described composite excitation automobile current generator, each electrical excitation pawl pole is including a sleeved part and vertically
Multiple grippers on the sleeved part periphery are arranged on, each gripper is disposed as a big, small wedge shape, and a pair of electricity are encouraged
The arrangement mode of adjacent two gripper of magnetic pawl pole is：
One stub end of the gripper of electrical excitation pawl pole is adjacent with the small head end of the gripper of another electrical excitation pawl pole, one
The small head end of the gripper of electrical excitation pawl pole is adjacent with the stub end of the gripper of another electrical excitation pawl pole.
Multiple grippers of two such electrical excitation pawl pole also form sinusoidal wave shape distribution, and a pair of electrical excitation pawl poles are after powered up
The waveform of output is also close to sine wave.
Preferably, in described composite excitation automobile current generator, the sidepiece of the gripper of the electrical excitation pawl pole is offered
One groove, the sidepiece of a pair of adjacent two grippers of electrical excitation pawl pole complements each other to form the accommodating sky of the permanent magnetic steel
Between.Permanent magnetic steel is placed in the accommodation space, and generator amature is farthest reduced on the premise of power output is improved
Overall volume.
Preferably, in described composite excitation automobile current generator, the stub end of the gripper is fixed with the sleeved part,
The small head end of the gripper stretches out away from the sleeved part, in order to being mutually inserted for two electrical excitation pawl poles.
The utility model at least includes following beneficial effect：Two parts stator corresponds to two parts rectifier bridge respectively, i.e., each
Phase stator lead all corresponds to one group of rectifying tube, and rectifying tube quantity is doubled, and improves the fan-out capability of rectifier bridge, is reduced whole
Flow the loss of bridge.The electronic controller is connected by a switching tube with the rotor of the edge magnet steel, is set when output voltage reaches
After putting voltage, switching tube is opened, and electronic controller is clamped down on output voltage by small load, it is ensured that the stabilization of output voltage.
It is fixed in a pair of accommodation spaces of the gripper formation of electrical excitation pawl pole by by multiple permanent magnetic steels, and causes multiple forever
Magnetic magnet steel and a pair of multiple grippers of electrical excitation pawl pole are distributed in sinusoidal wave shape, on the premise of power output is improved, reduce
The volume of whole automobile generator rotor so that the compact conformation of the automobile generator rotor, installing space is more flexibly just
It is prompt.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of composite excitation automobile current generator of the present utility model；
Fig. 2 is the connection circuit diagram of delta connection stator of the present utility model and rectifier bridge；
Fig. 3 is the connection circuit diagram of wye connection stator of the present utility model and rectifier bridge；
Fig. 4 is the circuit theory of electronic controller in composite excitation automobile current generator of the present utility model；
Fig. 5 is the structural representation of the rotor of edge magnet steel of the present utility model；
Fig. 6 is the schematic diagram of electrical excitation pawl pole of the present utility model；
Fig. 7 is the installation arrangement schematic diagram of a pair of electrical excitations pawl pole of the present utility model and multiple permanent magnetic steels.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
As shown in figure 1, the utility model provides a kind of composite excitation automobile current generator, including：The rotor 1 of magnet steel is inlayed, its
It is separately fixed on the front casing 2 and rear casing 3 of the generator by rotating shaft 11, front casing and rear casing constitute an encapsulation
Housing.Stator 4 and rectifier bridge 5, the stator are set on the periphery of the rotor of the edge magnet steel, and the rectifier bridge is arranged on
The side of the stator, and stator is placed in the enclosure interior of encapsulation, rectifier bridge is placed in the hull outside of encapsulation.The stator and whole
Stream bridge is divided into two parts, and each section stator includes three-phase coil 41, and each section rectifier bridge includes at least three
Group rectifying tube 51, each phase coil lead of the stator is connected to one group of rectifying tube of the rectifier bridge.Traditional stator point
Be three groups of coils, be respectively U, V, W three-phase, the utility model stator is divided into two parts, be then changed into six groups of coils, be respectively U1,
V1, W1 and U2, V2, W2, after rectifier bridge is divided into two parts, the quantity of rectifying tube is also doubled.Belt pulley 6, it is arranged on institute
One end of rotating shaft is stated, belt pulley is fixed by locking nut 61 with one end of rotating shaft.Engine is turned by belt pulley drive shaft
It is dynamic, and then the rotor rotation for inlaying magnet steel, i.e. magnetic field rotating, stator coil cutting magnetic line are driven, friendship is produced in the stator coils
Stream electricity.
In described composite excitation automobile current generator, as shown in Fig. 2 each section rectifier bridge includes three groups of rectifying tubes,
The three-phase coil of each section stator is delta connection, the lead of three end points of three-phase coil be respectively connecting to one group it is whole
Flow tube.A part of rectifier bridge of a part of stator correspondence, another part stator correspondence another part rectifier bridge.
In described composite excitation automobile current generator, as shown in figure 3, each section rectifier bridge includes four groups of rectifying tubes,
The three-phase coil of each section stator is wye connection, and three end points of three-phase coil and the lead of neutral point are respectively connecting to
One group of rectifying tube.A part of rectifier bridge of a part of stator correspondence, another part stator correspondence another part rectifier bridge.
In described composite excitation automobile current generator, each group of rectifying tube is two commutation diodes and is in series.
In described composite excitation automobile current generator, also including an electronic controller 7, the electronic controller is opened by one
The rotor connection of magnet steel is inlayed described in Guan Guanyu.Because composite excitation automobile generator rotor of the present utility model increased magnet steel,
Conventional regulator cannot be adjusted to the high voltage that permanent magnet generator is produced when generator is unloaded, electronics of the present utility model
Adjuster carries out real-time control by switching tube to output voltage, and after output voltage reaches setting voltage, switching tube is opened, electricity
Sub- adjuster is clamped down on output voltage by small load, it is ensured that the stabilization of output voltage.The circuit theory of above-mentioned electronic controller
As shown in Figure 4.
In described composite excitation automobile current generator, the fore bearing 8 that the rotor for inlaying magnet steel is installed by rotating shaft two ends
Fixed with the front casing and rear casing of the generator with rear bearing 9.Fore bearing is set in one end of rotating shaft, and with generator
Front casing is fixed；Bearing holder (housing, cover) is located at the other end of rotating shaft afterwards, and is fixed with the rear casing of generator.
In described composite excitation automobile current generator, as shown in figure 5, the rotor of the edge magnet steel includes：Rotating shaft.A pair of electricity
Excitation pawl pole 12, it is set in the rotating shaft in opposite directions, and multiple grippers 121, one are arranged at intervals with each electrical excitation pawl pole
Gripper to electrical excitation pawl pole is mutually inserted the gripper of the electrical excitation pawl pole of setting, i.e., one and the gripper of another electrical excitation pawl pole
It is dislocatedly distributed, the two forms clamping shape.Multiple permanent magnetic steels 13, each permanent magnetic steel is separately mounted to a pair of electrical excitation pawl poles
Between two adjacent grippers, and multiple permanent magnetic steels are distributed in a pair of electrical excitation pawl poles in sinusoidal wave shape, each permanent-magnet magnetic
Steel is obliquely installed, and two neighboring permanent magnetic steel forms analog-U shaped, and multiple permanent magnetic steel annular spreads are formed in the periphery of rotating shaft and connected
Continuous sinusoidal wave shape curve, to export sine wave after powered up.
In described composite excitation automobile current generator, each electrical excitation pawl pole includes a sleeved part 122 and is vertically set on
Multiple grippers on the sleeved part periphery, each gripper is disposed as big, a small wedge shape, a pair of electrical excitation pawl poles
Multiple grippers be oppositely arranged, be mutually inserted, formed fasten shape.A pair of arrangement sides of adjacent two gripper of electrical excitation pawl pole
Formula is：The phase of small head end 1212 of one stub end of the gripper of electrical excitation pawl pole 1211 and the gripper of another electrical excitation pawl pole
Neighbour, the small head end of a gripper for electrical excitation pawl pole is adjacent with the stub end of the gripper of another electrical excitation pawl pole, i.e., multiple is grabbed
Pawl forms large and small, big ... being spaced apart after grafting.
In described composite excitation automobile current generator, the sidepiece of the gripper of the electrical excitation pawl pole offers a groove 123,
The groove of two neighboring gripper is oppositely arranged, and the sidepiece of a pair of adjacent two grippers of electrical excitation pawl pole complements each other to form institute
State the accommodation space of permanent magnetic steel.When permanent magnetic steel is not installed, reserved between two adjacent grippers of a pair of electrical excitation pawl poles
There is space, the groove that the space opens up with the sidepiece of two neighboring gripper is collectively forming the accommodation space of permanent magnetic steel.
In described composite excitation automobile current generator, the stub end of the gripper is fixed with the sleeved part, the gripper
Small head end stretch out away from the sleeved part, formed divergent shape.I.e. the sharp parts of gripper outwardly, are easy to a pair of electrical excitations
The mutual installation of pawl pole coordinates, and stub end and the sleeved part of gripper are integrally formed, be easy to processing, and the whole device of raising is firm
Property.
As shown in fig. 6, in described composite excitation automobile current generator, the sleeved part of the electrical excitation pawl pole is to be opened in the middle of one
The disk of through hole is provided with, the size of the through hole is consistent with the diameter of the rotating shaft, rotating shaft passes through a pair of sets of electrical excitation pawl pole
If the through hole in portion is connected with other components, the thickness of the thickness more than periphery in sleeved part center increases the contact surface with rotating shaft
Product.
As shown in fig. 7, in described composite excitation automobile current generator, each permanent magnetic steel and two adjacent magnetic of gripper
Collude and be distributed to superposition.After energization, the gripper of an electrical excitation pawl pole is N poles, and the gripper of another electrical excitation pawl pole is S
Pole, then one end that the permanent magnetic steel between two adjacent grippers of two electrical excitation pawl poles is fixed with the gripper grafting of S poles
Also it is S poles, the one end fixed with the gripper grafting of N poles is also N poles, to ensure magnetic flux in the same direction, beneficial to two superposition synthesis in magnetic field.
In described composite excitation automobile current generator, each permanent magnetic steel is disposed as strip, during installation, by permanent-magnet magnetic
Steel is inserted from one end of the groove of gripper, and is finally fixed in groove, so as to two adjacent grippers be coupled together.
In described composite excitation automobile current generator, the side of the pair of electrical excitation pawl pole is additionally provided with a slip ring 14,
The slip ring is set in the rotating shaft, and a pair of electrical excitation pawl poles are connected by slip ring with electronic controller, by Electronic Control
Device adjusts the size in magnetic field.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and implementation method
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (10)
1. a kind of composite excitation automobile current generator, it is characterised in that including：
The rotor of magnet steel is inlayed, it passes through rotating shaft and is separately fixed on the front casing and rear casing of the generator；
Stator and rectifier bridge, the stator are set on the periphery of the rotor of the edge magnet steel, and the rectifier bridge is arranged on described
The side of stator, and the stator and rectifier bridge are divided into two parts, each section stator includes three-phase coil, each portion
Rectifier bridge is divided to include at least three groups rectifying tubes, each phase coil lead of the stator is connected to the one of the rectifier bridge
Group rectifying tube；
Belt pulley, its one end for being arranged on the rotating shaft.
2. composite excitation automobile current generator as claimed in claim 1, it is characterised in that each section rectifier bridge includes three groups
Rectifying tube, the three-phase coil of each section stator is delta connection, and the lead of three end points of three-phase coil is connected respectively
To one group of rectifying tube.
3. composite excitation automobile current generator as claimed in claim 1, it is characterised in that each section rectifier bridge includes four groups
Rectifying tube, the three-phase coil of each section stator is wye connection, three end points of three-phase coil and the lead of neutral point point
One group of rectifying tube is not connected to.
4. composite excitation automobile current generator as claimed in claim 2 or claim 3, it is characterised in that each group of rectifying tube is two
Commutation diode is in series.
5. composite excitation automobile current generator as claimed in claim 1, it is characterised in that described also including an electronic controller
Electronic controller is connected by a switching tube with the rotor of the edge magnet steel.
6. composite excitation automobile current generator as claimed in claim 1, it is characterised in that the rotor of the edge magnet steel passes through rotating shaft
The fore bearing and rear bearing that two ends are installed are fixed with the front casing and rear casing of the generator.
7. composite excitation automobile current generator as claimed in claim 1, it is characterised in that the rotor of the edge magnet steel includes：
Rotating shaft；
A pair of electrical excitation pawl poles, it is set in the rotating shaft in opposite directions, and being arranged at intervals with multiple in each electrical excitation pawl pole grabs
Pawl, the gripper of a pair of electrical excitation pawl poles is mutually inserted setting；
Multiple permanent magnetic steels, each permanent magnetic steel is separately mounted between a pair of adjacent two grippers of electrical excitation pawl pole, and
Multiple permanent magnetic steels are distributed in a pair of electrical excitation pawl poles in sinusoidal wave shape.
8. composite excitation automobile current generator as claimed in claim 7, it is characterised in that each electrical excitation pawl pole is arranged including
Portion and the multiple grippers for being vertically set on the sleeved part periphery, each gripper are disposed as a big, small wedge shape,
The arrangement mode of a pair of adjacent two grippers of electrical excitation pawl pole is：
One stub end of the gripper of electrical excitation pawl pole is adjacent with the small head end of the gripper of another electrical excitation pawl pole, and an electricity is encouraged
The small head end of the gripper of magnetic pawl pole is adjacent with the stub end of the gripper of another electrical excitation pawl pole.
9. composite excitation automobile current generator as claimed in claim 8, it is characterised in that the side of the gripper of the electrical excitation pawl pole
Portion offers a groove, and the sidepiece of a pair of adjacent two grippers of electrical excitation pawl pole complements each other to form the permanent magnetic steel
Accommodation space.
10. composite excitation automobile current generator as claimed in claim 8, it is characterised in that the stub end of the gripper with it is described
Sleeved part is fixed, and the small head end of the gripper stretches out away from the sleeved part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308926.8U CN206302296U (en) | 2016-11-29 | 2016-11-29 | Composite excitation automobile current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308926.8U CN206302296U (en) | 2016-11-29 | 2016-11-29 | Composite excitation automobile current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302296U true CN206302296U (en) | 2017-07-04 |
Family
ID=59211997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308926.8U Active CN206302296U (en) | 2016-11-29 | 2016-11-29 | Composite excitation automobile current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385139A (en) * | 2016-11-29 | 2017-02-08 | 北京奥博汽车电子电器有限公司 | Mixed excitation automobile generator |
| CN110739801A (en) * | 2019-11-15 | 2020-01-31 | 浙江安美德汽车配件有限公司 | A.C. generator for car with improved low-speed output |
-
2016
- 2016-11-29 CN CN201621308926.8U patent/CN206302296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385139A (en) * | 2016-11-29 | 2017-02-08 | 北京奥博汽车电子电器有限公司 | Mixed excitation automobile generator |
| CN110739801A (en) * | 2019-11-15 | 2020-01-31 | 浙江安美德汽车配件有限公司 | A.C. generator for car with improved low-speed output |
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