CN104753160B - A kind of automobile start generator and its control device - Google Patents
A kind of automobile start generator and its control device Download PDFInfo
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- CN104753160B CN104753160B CN201510188217.4A CN201510188217A CN104753160B CN 104753160 B CN104753160 B CN 104753160B CN 201510188217 A CN201510188217 A CN 201510188217A CN 104753160 B CN104753160 B CN 104753160B
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- inverter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The present invention proposes a kind of automobile start generator and its control device, including middle three phase electric machine, the first inverter, the second inverter and double contact switch with tap.It is characterized in that：When the engine is started, three centre taps suspension of three-phase windings, the three negative switch pipes or three positive switch pipes of the second bridge converter are simultaneously turned on, and the end of three-phase windings is shorted together.After engine is started, starter-generator is in high-speed power generation state, and now the three of three-phase windings centre tap is shorted together by electromagnetic switch, and equivalent to two threephase generators of starter-generator are run.The technology of the present invention can effectively realize weak magnetism speed expansion problem during high speed operation of motor.
Description
Technical field
The present invention relates to a kind of automobile start generator and its control device, belong to car electrics technical field.
Background technology
Vapour vehicle-mounted starting engine can be as motor running, again can be as generator operation, with after activation for use
Electric equipment is powered, or reclaims braking energy after driving automobile.
In existing document, permagnetic synchronous motor, non-brush permanent-magnet DC motor and electric excitation synchronous motor are many
Scholar thinks can be as starter-generator.Three-phase windings being used these motors more.In the case where magnetic field size is constant, it is felt
Electromotive force (or back-emf) is answered to be directly proportional to the rotating speed of motor.
By taking traditional petrol engine as an example, the starting speed of engine is 200r/min or so, and starts rear engine
Idling speed for 700r/min or so, rated speed is more than 1500r/min after starting.Motor is to rely on induced electromotive force
(or back-emf) carries out energy converting between mechanical, and the induced electromotive force (or back-emf) of motor is different under different rotating speeds, and this is just
The automobile power source of constant voltage is not adapted to.By taking 12V power-supply systems as an example, if engine can reach in 200r/min or so
10V or so back-emf, then will produce 100V or so induced electromotive force in 2000r/min or so, and 4000r/min can be produced
About 200V induced electromotive force, this charges the battery for being unable to bio-occlusion 12V.
Therefore, starter-generator needs to use the winding of the different numbers of turn in starting state and generating state, can make starting
Generator can play optimum performance under two states.
In prior art, the patent of invention of mandate：A kind of ZL200780042653.4, vehicle is aided in hybrid engine
System, including a converter being connected by distribution with the three-phase power terminal of generator motor and whirler, in the electricity that generates electricity
In the case that motivation side is connected, the three-phase alternating current that generator motor is produced is converted into direct current, with rotating pusher side
In the case of connection, the direct current of battery is converted into three-phase alternating current and supplied to whirler.
The present inventor also proposes to use two kinds of mode of operations of switching magnetic-resistance and double-salient-pole once for this problem
The switching for starting and generating electricity is realized, and has applied for patent of invention：A kind of bimodulus dynamotor, application number：
2014105380702。
In addition, it is worth mentioning at this point that invention disclosed patent application：A kind of permagnetic synchronous motor driving of changeable winding
System, application number：201310581305.1, a kind of PMSM Drive System of changeable winding is disclosed, it is utilized
Twin inverter coordinates control and weak magnetic controls to realize the winding work switching of low speed and high speed, significantly widens drive system work and turns
Fast scope.The difference of this application and the present patent application is：
The technical purpose of this application is primarily to weak magnetism speed expansion during motor running first, and the mesh of the present patent application
Be improve the motor performance started and during generating state；
Secondly, this application coordinates control using twin inverter and weak magnetic controls the winding work for realizing low speed and high speed to cut
Change, and second inverter of the present patent application is used for the short circuit for realizing three-phase windings, is not used in and is used as common inverter；
Again, this application winding short circuit has used a kind of winding switch change-over device, and the application uses more easy and effective
Double-contact electromagnetic switch, the voltage drop without rectifier cell；
In addition, this application also has this significant difference with the application in the connected mode of two inverters.
Finally, this application technology is applied to permagnetic synchronous motor, and the technology of the present invention is all suitable for for most of motor.
In a word, applicant realizes cutting for umber of turn to retrieve using two inverters and a double contact switch so far
Change, to adapt to the starter-generator technology of two kinds of working condition requirements of low speed starting state and high-speed power generation state.
The content of the invention
In order to invent a kind of automobile start generator and its control device, participate in starting to work with whole numbers of turn, start
Torque is big；Power generation operation is participated in the part number of turn, overtension during high-speed power generation operation is solved, the problems such as resistance is excessive, improves
The efficiency of motor.
The present invention is adopted the following technical scheme that：
A kind of automobile start generator and its control device, it is characterised in that：
Including three phase electric machine, the first inverter (1), the second inverter (4), double contact switch (3), switching switch (5) and
Controller；
There is tap, the two ends of three-phase windings are connected on first respectively in the middle of the threephase stator winding (2) of the three phase electric machine
Three bridge arm midpoints of inverter (1) and the second inverter (4)；Three taps in the middle of threephase stator winding (2) are connected to double
On three joints of contact switch (3), it can be linked together or be fully disconnected by double contact switch (3)；
The positive pole and negative pole of first inverter (1) connect the positive pole and negative pole of battery, the second inverter (4) and switching respectively
It is connected on respectively on the positive pole and negative pole of battery again after switch (5) series connection；
Controller can control the first inverter (1) and the switching tube of the second inverter (4), double contact switch (3) and cut
Change switch (5).
A kind of automobile start generator and its control device as described above, when the engine is started, double contact switch (3)
Disconnect, the suspension of three centre taps of threephase stator winding (2), three negative switch pipes of the second inverter (4) or three are just
Pole switching tube is simultaneously turned on, and the end of three-phase windings is shorted together；
After engine is started, automobile start generator is in high-speed power generation state, three of threephase stator winding (2)
Between tap be shorted together by double contact switch (3), the switching tube on the first inverter (1) and the second inverter (4) is all closed
Close, now equivalent to two threephase generators of automobile start generator are run.
A kind of automobile start generator and its control device, it is characterised in that：
Including three phase electric machine, the first inverter (1), the second inverter (4), three-phase commutation bridge, switching switch (5) and control
Device；
There is tap, the two ends of three-phase windings are connected on first respectively in the middle of the threephase stator winding (2) of the three phase electric machine
Three bridge arm midpoints of inverter (1) and the second inverter (4)；Three taps in the middle of threephase stator winding (2) connect three respectively
Three bridge arm midpoints of commutating phase bridge；
The positive pole and negative pole of first inverter (1) connect the positive pole and negative pole of battery, the second inverter (4) and switching respectively
It is connected on respectively on the positive pole and negative pole of battery again after switch (5) series connection；
Controller can control the first inverter (1) and the switching tube of the second inverter (4), double contact switch (3) and cut
Change switch (5).
A kind of automobile start generator and its control device as described above, it is characterised in that：
When the engine is started, controller control switching switch (5) disconnects, three negative switch of the second inverter (4)
Pipe or three positive switch pipes are simultaneously turned on, and the end of three-phase windings is shorted together；
After engine is started, automobile start generator is in high-speed power generation state, the first inverter (1) and the second inversion
Rectifying tube composition H bridge rectifiers on rectifying tube and three-phase commutation bridge on device (4), make starter-generator externally export direct current
Electricity.
Beneficial effects of the present invention are as follows：
(1) when starting, all coils are involved in work, and starting torque is big.Because the starting time is short, therefore start function
Enough bear the overcurrent of short time；
(2) when generating electricity, only coil sections participation work solves the problems, such as weak magnetism speed expansion during high-speed power generation operation, motor
Internal resistance it is small, the efficiency high of motor.
Brief description of the drawings
Fig. 1 is a kind of automobile start generator of the invention and its control device schematic diagram.Wherein：1st, the first inverter, 2,
Threephase stator winding, 3, double contact switch, the 4, second inverter, 5, switching switch.
Fig. 2 is a kind of automobile start generator of the invention and its control device starting state A-B energization mode map of current.Its
In：1st, the first inverter, 2, threephase stator winding, 3, double contact switch, the 4, second inverter, 5, switching switch.Overstriking in figure
Black line is current direction when A-B is powered.
Fig. 3 is a kind of automobile start generator and its control device of the invention.Wherein：1st, the first inverter, 2, three-phase it is fixed
Sub- winding, 3, double contact switch, the 4, second inverter, 5, switching switch.Switching tube is dotted line in figure, represents that Triggerless is opened
Close pipe to be closed, the voltage that winding is sent externally is exported after the diode rectification on inverter.
Fig. 4 is the scheme that a kind of automobile start generator and its control device of the invention use three-phase commutation bridge.1st, first
Inverter, 2, threephase stator winding, 3, three-phase commutation bridge, the 4, second inverter, 5, switching switch.
Embodiment
The invention is described in further details below in conjunction with the accompanying drawings.
A kind of automobile start generator and its control device schematic diagram of the invention shown in Fig. 1.A kind of automobile start generator
And its control device includes three phase electric machine, the first inverter (1), the second inverter (4), double contact switch (3), switching switch
And controller (5).
Tap is carried in the middle of the threephase stator winding of the three phase electric machine, threephase armature winding is divided into by loop A 1, line
Enclose a part of three-phase windings of B1, coil C1 composition, and the Part II three-phase being made up of loop A 2, coil B2, coil C2
Winding.
The two ends of three-phase windings are connected on three bridge arm midpoints of the first inverter (1) and the second inverter (4) respectively；Three-phase
Three taps in the middle of stator winding (2) are connected on three joints of double contact switch (3), can be by double contact switch (3)
Link together or be fully disconnected.
The positive pole and negative pole of first inverter (1) connect the positive pole and negative pole of battery, the second inverter (4) and switching respectively
It is connected on respectively on the positive pole and negative pole of battery again after switch (5) series connection；
Controller can control the first inverter (1) and the switching tube of the second inverter (4), double contact switch (3) and cut
Change switch (5).
In addition, it is worthy of note that, it is, in principle, that the second inverter (4) can use a three-phase half controlled bridge completely
Substitution.But due to the development of current IPM technologies, an IPM is purchased as the cost of inverter more than building a three-phase half-controlled
Bridge is low, therefore taking cost into account, the technology of the application is using two inverters.
Fig. 2 is a kind of automobile start generator of the invention and its control device starting state A-B energization mode map of current, figure
In three negative switch pipes all turn on.When the engine is started, double contact switch (3) and switching switch (5) disconnect, three-phase
Three centre taps suspension of stator winding (2).
When switching switch (5) is connected between the negative pole of the first inverter (1) and the second inverter (4), controller control
Three negative switch pipes for making the second inverter (4) are simultaneously turned on；When switching switch (5) is connected to the first inverter (1) and the
When between the positive pole of two inverters (4), controller controls three positive switch pipes of the second inverter (4) to simultaneously turn on.So
Just the end of three-phase windings can be shorted together.Overstriking black line is current direction when A-B is powered in figure, it can be seen that A phases
Winding and B phase windings are linked together by the T2 switching tubes and D4 diodes on the second inverter (4).
Fig. 3 is a kind of automobile start generator and its control device of the invention.After engine is started, at starter-generator
In high-speed power generation state, three centre taps of threephase stator winding (2) are shorted together by double contact switch (3), and first is inverse
The switching tube become on device (1) and the second inverter (4) is closed entirely, and now equivalent to two threephase generators of starter-generator are transported
OK.Switching tube is dotted line in figure, represents that Triggerless switching tube is closed, the voltage that winding is sent is by two on inverter
Externally exported after pole pipe rectification.
Fig. 4 is the scheme that a kind of automobile start generator and its control device use three-phase commutation bridge.
Including three phase electric machine, the first inverter (1), the second inverter (4), three-phase commutation bridge, switching switch (5) and control
Device；There is tap, the two ends of three-phase windings are connected on the first inverter respectively in the middle of the threephase stator winding (2) of the three phase electric machine
(1) and the second inverter (4) three bridge arm midpoints；Three taps in the middle of threephase stator winding (2) connect three phase rectifier respectively
Three bridge arm midpoints of bridge.
The positive pole and negative pole of first inverter (1) connect the positive pole and negative pole of battery, the second inverter (4) and switching respectively
It is connected on respectively on the positive pole and negative pole of battery again after switch (5) series connection.
Controller can control the first inverter (1) and the switching tube of the second inverter (4), double contact switch (3) and cut
Change switch (5).
When the engine is started, controller control switching switch (5) disconnects, three negative switch of the second inverter (4)
Pipe or three positive switch pipes are simultaneously turned on, and the end of three-phase windings is shorted together.
After engine is started, starter-generator is in high-speed power generation state, the first inverter (1) and the second inverter
(4) the rectifying tube composition H bridge rectifiers on the rectifying tube and three-phase commutation bridge on, make starter-generator externally export direct current.
The explanation of principle is operated to starter-generator proposed by the present invention below.
When the dynamotor of the present invention is operated in generating state, armature winding has magnetic linkage to pass through.When outer rotor rotates,
The magnetic linkage of armature winding coupling changes, therefore the magnetic linkage of armature winding will change, so as to produce induced electromotive force.
Because now threephase armature winding centre tap is shorted together, therefore armature coil A1, armature coil B1 and armature coil
The induced electromotive force that C1 is produced externally is exported after the diode rectification on the first inverter.Armature coil A2, armature coil
The induced electromotive force that B2 and armature coil C2 is produced externally is exported after the diode rectification on the second inverter.Due to armature
The number of turn of loop A 1 is the half of A phase totals number of turns, therefore it is compared with traditional scheme, its output voltage also drop by half.
When the starter-generator of the present invention is operated in starting state, if passing to positive electricity to the increased phase winding of magnetic linkage
Stream, the phase winding reduced to magnetic linkage passes to forward current, then motor can produce positive torque, and motor is rotated forward.Due to three
The end of phase armature winding is dexterously shorted together by the second inverter, therefore all windings can be all energized, and it, which is exported, turns
Square is big.
Due to engine starting speed be 200r/min, and start with the rotating speed of rear engine can be raised to 700r/min with
On, therefore engine has an accelerator in the meantime, starter-generator is idle running without externally output in the process
Electric current, now double contact switch and switching switch closure, and big electric spark and voltage pulsation will not be produced.
It is pointed out that the foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not
Be confined to this, any one skilled in the art the invention discloses technical scope in, the change that can be readily occurred in
Change and replace, should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the claim
Protection domain is defined.
Claims (1)
1. a kind of automobile start generator and its control device, it is characterised in that：
Including three phase electric machine, the first inverter (1), the second inverter (4), double contact switch (3), switching switch (5) and control
Device；There is tap, the two ends of threephase stator winding (2) are connected on the respectively in the middle of the threephase stator winding (2) of the three phase electric machine
Three bridge arm midpoints of one inverter (1) and the second inverter (4)；Three taps in the middle of threephase stator winding (2) are connected to
On three joints of double contact switch (3), it can be linked together or be fully disconnected by double contact switch (3)；
The positive pole and negative pole of first inverter (1) connect the positive pole and negative pole of battery respectively, and the second inverter (4) is switched with switching
(5) it is connected on respectively on the positive pole and negative pole of battery again after connecting；
Controller can control the switching tube, double contact switch (3) and switching of the first inverter (1) and the second inverter (4) to open
Close (5)；When the engine is started, controller control double contact switch (3) and switching switch (5) disconnect, threephase stator winding (2)
Three centre taps suspension, the three negative switch pipes or three positive switch pipes of the second inverter (4) are simultaneously turned on, by three
The end of phase stator winding (2) is shorted together；
After engine is started, automobile start generator is in high-speed power generation state, and three centres of threephase stator winding (2) are taken out
Head is shorted together by double contact switch (3), and the positive pole and negative pole of the first inverter (1) and the second inverter (4) are connected on respectively
On the positive pole and negative pole of battery, the switching tube on the first inverter (1) and the second inverter (4) is all closed, now automobile
Equivalent to two threephase generators of starter-generator are run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188217.4A CN104753160B (en) | 2015-04-21 | 2015-04-21 | A kind of automobile start generator and its control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188217.4A CN104753160B (en) | 2015-04-21 | 2015-04-21 | A kind of automobile start generator and its control device |
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| CN104753160A CN104753160A (en) | 2015-07-01 |
| CN104753160B true CN104753160B (en) | 2017-07-21 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180302019A1 (en) * | 2017-04-18 | 2018-10-18 | Ford Global Technologies, Llc | Series-parallel electric vehicle drive system |
| CN107425616B (en) * | 2017-05-08 | 2019-08-09 | 深圳供电局有限公司 | A kind of binary channels servo motor |
| CN111769663B (en) * | 2020-07-09 | 2021-11-30 | 河北工业大学 | Dual-mode drive control system of switched reluctance motor and implementation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5396920B2 (en) * | 2009-03-05 | 2014-01-22 | 株式会社安川電機 | Winding switching device for three-phase AC motor drive system |
| CN202737673U (en) * | 2012-09-05 | 2013-02-13 | 张远谋 | DC output circuit of AC generator |
| CN103684196B (en) * | 2013-11-19 | 2016-02-17 | 南京航空航天大学 | A kind of PMSM Drive System of changeable winding |
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Effective date of registration: 20190717 Address after: 214000 Standard Workshop of Changhui Road, Wind Power Park, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi Henghe Environmental Protection Technology Co., Ltd. Address before: 255086 Zibo high tech Industrial Development Zone, Shandong Province, Chuang Chuang A block, 313 Patentee before: Shandong University of Technology |