CN107534409A - Motor/generator unit - Google Patents
Motor/generator unit Download PDFInfo
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- CN107534409A CN107534409A CN201680020674.5A CN201680020674A CN107534409A CN 107534409 A CN107534409 A CN 107534409A CN 201680020674 A CN201680020674 A CN 201680020674A CN 107534409 A CN107534409 A CN 107534409A
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- Prior art keywords
- motor
- unit
- battery
- turn
- control unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/18—Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
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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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The electric rotating machine (4) of motor/generator unit (1) in winding (7U~7W) is respective by setting transition joint (8U~8W), to make the actual number of turn by every mutually variable.Drive circuit (5) has the multiple inverter circuits (5a, 5b) being connected with winding (7U~7W).In addition, control unit (6) changes the actual number of turn by performing inverter operation, by every phase.Thereby, it is possible to make the actual number of turn increase and decrease at high speed by every phase, therefore it can make to change or make the action of electric rotating machine (4) to switch at high speed between motor and generator at high speed as the output of motor or generator.Therefore, in motor/generator unit (1), it is possible to increase specific fuel consumption reducing effect.
Description
Association request it is cross-referenced
The application is hereby incorporated in its record based on Japanese publication 2015-078197 filed in 7 days April in 2015
Hold.
Technical field
This disclosure relates to a kind of output for being configured to possess electric rotating machine and auxiliary engine or be charged to battery
For motor vehicle motor/generator unit.
Background technology
In the past, the motor dress for making electric rotating machine be acted to be driven driven object as motor be present
Put.In this electronic device, following structure is disclosed：In order to carry out optimal control, energy according to the load of driven object
Enough by relay switch by (following and the number of turn for the part being energized by the power supply from battery in every phase change winding
The referred to as actual number of turn) (referring for example to patent document 1,2).
Thus, such as in the output of the torque under needing low speed, the actual number of turn per phase is increased to be set to high torque (HT)
Output, in the output of the torque under needing high speed, the actual number of turn per phase is reduced to allow for as motor
Action.
Moreover, in for motor vehicle motor/generator unit, in order to which the output of auxiliary engine helps to reduce fuel
Consumption rate, also electric rotating machine is set to be acted as motor.In this case, it is contemplated that introducing makes the actual number of turn of every phase can
The structure for becoming to operate the actual number of turn of every phase.
In addition, in the operating of vehicle, the factor that the load of internal combustion engine, voltage of battery etc. influence specific fuel consumption is more.
The numerical value of these factors is the substantial amounts of disturbing factor such as operation according to condition of road surface, driver and extremely mobility and mobility
's.In addition, in for motor vehicle motor/generator unit, it is also necessary to make the action of electric rotating machine between motor and generator
Switching.
Therefore, in the mode for using relay switch as described above when being operated to the actual number of turn of every phase,
Life-span number due to on/off etc. and relay switch can not be made to act at high speed, the response for operational order
Property step-down.Accordingly, there exist following problem：The operating that the action of relay switch can not be made to change with following mobility and mobility
State, it is unable to reach sufficient specific fuel consumption reducing effect.
In addition, in patent document 3, disclose as the starter motor of electric rotating machine in engine starting gear
Torque capacity is set as less than 60% structure of " compressive overload maximum starting torque ".But the structure is to reduce inertia
Quality is come for the purpose of improving cornering ability, it is believed that less contributes to reduce specific fuel consumption.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2014-058825 publications
Patent document 2：No. 3968673 publications of Japanese Patent No.
Patent document 3：No. 4039604 publications of Japanese Patent No.
The content of the invention
The purpose of the disclosure is for motor vehicle dynamoelectric and power generation in the variable electric rotating machine of the actual number of turn for possessing every phase
Specific fuel consumption reducing effect is improved in machine device.
In the first method of the disclosure, motor/generator unit produces output so as to auxiliary by the power supply from battery
Help the output of internal combustion engine or utilize the voltage (hereinafter sometimes referred to induced voltage) that the output by internal combustion engine induces to electricity
Pond is charged, for vehicle.In addition, motor/generator unit possesses following electric rotating machine, drive circuit and control list
Member.
First, electric rotating machine enters as the motor of the output of auxiliary engine or the generator that is charged to battery
Action is made.Electric rotating machine in the winding of each phase by setting transition joint, enabling is changed by every phase by from battery
The i.e. actual number of turn of the number of turn of part that is energized of power supply.In addition, drive circuit is multiple inverse with being connected with the winding of each phase
Become device circuit, the inverter circuit being connected with transition joint in inverter circuit be present.
Also, control unit controls the action of electric rotating machine by performing following inverter operation.That is, inverter operation
Refer to, the switch being switched on or switched off gradually is selected from semiconductor switch possessed by multiple inverter circuits, and gradually become
The semiconductor switch that should more select.Moreover, control unit changes the actual number of turn by performing inverter operation by every phase.
Thereby, it is possible to make the actual number of turn increase and decrease at high speed by every phase, therefore can make as the defeated of motor or generator
Go out and change or make the action of electric rotating machine to switch at high speed between motor and generator at high speed.Therefore, used in vehicle
Motor/generator unit in, the operating condition of the vehicle changed while mobility and mobility can be followed, it is possible to increase fuel
Consumption rate reducing effect.
Brief description of the drawings
By referring to accompanying drawing and following detailed retouched on the above-mentioned purpose of the disclosure and other purposes, feature, advantage
State, can become more apparent.In the figure：
Fig. 1 is the overall structure figure for the motor/generator unit for representing first embodiment.
Fig. 2A is the transition diagram of the passage of the on-off of the switch in the action for the large model for representing first embodiment,
Fig. 2 B be represent in the inverter operation of first embodiment switch in the switch being switched on or switched off combination and
The table of one of the size of output.
Fig. 3 (a) be represent rotating speed when making the electric rotating machine of first embodiment be acted as motor with
The related figure of torque, Fig. 3 (b) are represented when making the electric rotating machine of first embodiment be acted as generator
The rotating speed figure related to generation current.
Fig. 4 is the performance plot of the action example for the motor/generator unit for representing first embodiment.
Fig. 5 is the overall structure figure of the motor/generator unit of second embodiment.
Fig. 6 is the sequential of the switching passage of the motor and generator for the stroke by internal combustion engine for representing second embodiment
Figure.
Fig. 7 is the block diagram of a part for the function of illustrating the control unit in first embodiment.
Fig. 8 is the block diagram of a part for the function of illustrating the control unit in second embodiment.
Embodiment
Below, the mode for carrying out an invention is illustrated using embodiment.In addition, embodiment is used to disclose specific one
Example, the present invention are not limited to embodiment, and this is self-evident.
Embodiment
(first embodiment)
Illustrate the structure of the motor/generator unit 1 of first embodiment using Fig. 1.
Motor/generator unit (hereinafter referred to as system) 1 is arranged at vehicle, by from on-vehicle battery (hereinafter referred merely to as electricity
Pond) 2 power supply produces output so as to start internal combustion engine 3, the either output of auxiliary engine 3 or using passing through internal combustion engine 3
The voltage that induces of output battery 2 is charged.
Moreover, as shown in figure 1, system 1 possesses electric rotating machine 4, drive circuit 5 and control unit 6 (as control unit hair
Wave function).
First, electric rotating machine 4 is as the motor for the output for starting internal combustion engine 3 or auxiliary engine 3 or to battery 2
The generator to be charged is acted.Electric rotating machine 4 is, for example, by the winding of U phases, V phases and W phases this 3 phase for stator
The motor of built-in permanent magnet in 7U, 7V, 7W star-star connection and rotor.In addition, the bent axle of the rotor of electric rotating machine 4 and internal combustion engine 3
Directly in conjunction with.
In addition, in electric rotating machine 4, make actual circle by setting transition joint 8U, 8V, 8W in winding 7U, 7V, 7W
Number is pressed per mutually variable.
Here, the actual number of turn refers to, winding 7U, 7V, 7W each in the action as motor by from battery 2
The power supply number of turn of part that is energized or induced voltage is supplied to the part of battery 2 in the action as generator
The number of turn.
In addition, in winding 7U~7W of electric rotating machine 4, pass through the confession from battery 2 in the action as motor
Part that electricity is energized or induced voltage is supplied in the action as generator battery 2 part resistance value by every
Mutually variable, current value is variable.
Specifically, in winding 7U, two windings 7U1,7U2 are connected in series, in winding 7U1 and winding 7U2 connection
Portion is provided with transition joint 8U.Similarly, in winding 7V, two windings 7V1,7V2 are connected in series, in winding 7V1 and winding
7V2 connecting portion is provided with transition joint 8V.In winding 7W, two windings 7W1,7W2 are connected in series, winding 7W1 with around
Group 7W2 connecting portion is provided with transition joint 8W.Thus, in electric rotating machine 4, the actual number of turn is pressed per mutually variable, as be described hereinafter that
Sample can change the actual number of turn of full phase by drive circuit 5.
In addition, winding 7U2,7V2,7W2 each in, do not formed transition joint 8U, 8V, 8W a side terminal be used as in
Property point be connected and carry out star-star connection.
In addition, in the following description, by winding 7U1,7V1,7W1 each in do not form transition joint 8U, 8V, 8W
The terminal of one side is referred to as U terminal 9U, V terminal 9V, W terminals 9W.In addition, in order that explanation is simple, if winding 7U1,7U2,7V1,
The respective number of turn of 7V2,7W1,7W2 is all identical Integer n, is set to identical resistance value.
In addition, the position sensor 4a of the magnet positions of detection rotor is attached in electric rotating machine 4.In addition, position passes
Sensor 4a includes interpolar 3 Hall sensors PU, PV, the PW every configuration for pressing stator.
Then, drive circuit 5 has two inverter circuits 5a, 5b.
This two Fang Jun of inverter circuit 5a, 5b is that two semiconductor switch S are connected in series and by two semiconductor switch S
Be connected in series be connected in parallel 33 phase bridge circuits formed (below by semiconductor switch S be referred to as switch S).
Moreover, in the inverter circuit 5a of a side, the terminal for the side being connected in series is connected to the positive pole of battery 2, and
And the terminal of the opposing party is connected to ground.Also, 3 midpoints being connected in series are connected to U terminal 9U, V terminal 9V, W terminals
9W.In addition, in the inverter circuit 5b of the opposing party, the terminal for the side being connected in series is connected to the positive pole of battery 2, and separately
The terminal of one side is connected to ground.Also, 3 midpoints being connected in series are connected to transition joint 8U, 8V, 8W.
In addition, smoothing capacity device 10 is connected in parallel on inverter circuit 5a, 5b.In addition, switch S is, for example, N-channel
The power MOSFET of type.
In the following description, in being connected in series at 3 of inverter circuit 5a, it is connected to U terminals 9U's on midpoint
Included in being connected in series two switch S, sometimes by the switch S of hot side, low potential side be referred to as switch Sup1,
Sun1.In addition, midpoint is connected to the two switch S included in being connected in series of V terminals 9V, sometimes by hot side, low potential
The switch S of side is referred to as switch Svp1, Svn1.Also, it is connected to included in being connected in series of W terminals 9W two on midpoint
Individual switch S, the switch S of hot side, low potential side is referred to as switch Swp1, Swn1 sometimes.
Similarly, in being connected in series at 3 of inverter circuit 5b, the series connection that transition joint 8U is connected on midpoint connects
The two switch S included in connecing, are referred to as switch Sup2, Sun2 by the switch S of hot side, low potential side sometimes.In addition,
On midpoint two included in being connected in series of transition joint 8V switch S are connected to, sometimes by hot side, low potential side
Switch S is referred to as switch Svp2, Svn2.Also, it is connected to included in being connected in series of transition joint 8W two on midpoint
Individual switch S, the switch S of hot side, low potential side is referred to as switch Swp2, Swn2 sometimes.
Then, control unit 6 (control unit) is the electronic control unit (ECU for the action for controlling electric rotating machine 4：
Electronic Control Unit).Input circuit 6A that control unit 6 is for example handled with the signal to input, it is based on
The signal inputted is controlled CPU (the Central Processing Unit of processing and calculation process：Central processing unit)
6B, storage and the various memory 6C, the processing based on CPU that keep control process and data and program etc. needed for calculation process
As a result output circuit 6D of required signal etc. is exported.
Moreover, control unit 6 according to position sensor 4a output by performing following inverter operation to control rotation
The action of motor 4.That is, inverter operation refers to, gradually determines to connect from 12 switch S possessed by inverter circuit 5a, 5b
Logical (ON) or the switch for disconnecting (OFF), and gradually drive the switch S that should be switched on or switched off.
Moreover, control unit 6 changes the actual number of turn by performing inverter operation by every phase.More specifically, control unit 6
In inverter operation, on the actual number of turn of full phase, selected from 2n, 3n, 4n this 3 numerical value.
Such as in the case of being powered in the action as motor to winding 7U, 7V, selected when by switch Sup1, Svn1
For should connect switch when, winding 7U1,7U2,7V1,7V2 are powered from battery 2, therefore the respective actual number of turn of U phases, V phases is
2n, 2n, the actual number of turn of full phase is 4n.
In addition, when will switch Sup2, Svn2 selection is the switch that should be connected, winding 7U2,7V2 are powered from battery 2,
Therefore U phases, the respective actual number of turn of V phases are n, n, and the actual number of turn of full phase is 2n.
In addition, when will switch Sup1, Svn2 selection is the switch that should be connected, winding 7U1,7U2,7V2 are supplied from battery 2
Electricity, therefore the respective actual number of turn of U phases, V phases is 2n, n, the actual number of turn of full phase is 3n.
Also, when will switch Svn1, Sup2 selection is the switch that should be connected, winding 7U2,7V1,7V2 are supplied from battery 2
Electricity, therefore the respective actual number of turn of U phases, V phases is n, 2n, the actual number of turn of full phase is 3n.
Below, in inverter operation, using as from 2 phases of the battery 2 into winding 7U~7W of 3 phases apply voltage or
Induced voltage is supplied to the actual number of turn of full phase during battery 2 from 2 phases and selects 4n, 2n, 3n pattern to be referred to as greatly by person
Pattern, small mode, middle pattern.
Here, Fig. 2A is shown as in the action of the large model of motor using the rotating speed Ne of internal combustion engine 3 as transverse axis
The passage of S on-off is switched, Fig. 2 B represent to connect on-off in 12 switch S under each pattern of large and small, middle pattern
One of the combination for the switch opened.
That is, in the action as motor under large model, small mode, according to position sensor 4a signal respectively according to
Secondary 1st~the 3rd pattern, the 4th~the 6th pattern repeatedly.In addition, under middle pattern, successively repeatedly the 7th~the 9th pattern or the 10th~
12nd pattern.In addition, under middle pattern, the pattern of the pattern of the pattern of such as the 7th pattern → the 11st → the 9th → the 10th → like that alternately
The group of 7th~the 9th pattern and the group of the 10th~the 12nd pattern repeatedly, thus enable that winding 7U~7W, switch S heating disperse
To suppress.
In addition, on the rotating speed when making electric rotating machine 4 be acted as motor it is related to torque and
Rotating speed when making the electric rotating machine 4 be acted as generator is related to generation current, by each of large, medium and small pattern
Pattern for example represents in figure 3.
According to Fig. 3, in the action as motor, when large model is suitable to the startup of internal combustion engine 3, the rotating speed of internal combustion engine 3
Auxiliary during in low speed rotation domain (such as untill near 2500rpm).In addition, middle pattern is suitable at the rotating speed of internal combustion engine 3
Auxiliary when middling speed rotational domain (such as from 2000rpm to 3500rpm near untill).Also, small mode is suitable to internal combustion engine 3
Rotating speed is in auxiliary during high rotational domain (such as from 3000rpm to 5500rpm near untill).In addition, on winding 7U~7W
In middle pattern, small mode the action as motor in induced voltage in the winding do not powered by battery 2, can also
The charging of battery 2 is used in as described later or makes its short circuit.
In addition, according to Fig. 3, in the action as generator, large model is from the low rotating speed domain (example of the rotating speed of internal combustion engine 3
Near 800rpm) rise and battery 2 can be charged.In addition, middle pattern due to the actual number of turn reduction and generation current reduce, because
This is suitable to the charging of the battery 2 from middling speed rotational domain (such as near 3000rpm).In addition, small mode is entered due to the actual number of turn
One step reduces and generation current further reduces, and is consequently adapted to filling for the battery 2 from high rotational domain (such as near 5000rpm)
Electricity.
Also, system 1 possesses following revolution detector 12 (playing function as rotation speed detection unit) and voltage detecting
Device 13 (playing function as voltage detection unit) (reference picture 1).
First, revolution detector 12 is used for the rotating speed for detecting internal combustion engine 3, e.g. detects the week of the crankangle of internal combustion engine 3
Know the crank angle sensor of construction.That is, revolution detector 12 is used for the protrusion detection crankangle using the periphery for being arranged at bent axle,
It is used in IGNITION CONTROL, the fuel injection control of internal combustion engine 3.
Then, voltage detector 13 is used for the voltage for detecting battery 2, such as is set as the A/D translation circuits of known construction
Put.
Moreover, control unit 6 selects according to the detected value of revolution detector 12 and voltage detector 13 from large and small, middle pattern
A pattern is selected to perform inverter operation, electric rotating machine 4 is acted as motor or generator.
First, control unit 6 according to the rheological parameters' change with time of the detected value using voltage detector 13 come the charging of battery 2 predicted
Revenue and expenditure or based on start internal combustion engine 3 when voltage detector 13 detected value judge battery 2 charged state, decide whether
Electric rotating machine 4 is set to be acted (reference picture 7, block S1) as motor.Fig. 7 is used for the function that explanation is performed by control unit 6
A part, by reading the control program that provides in this first embodiment from memory 6C by CPU 6B and execution is come in function
Upper realization.
Specifically, in the case where the charging revenue and expenditure of the battery 2 of prediction is negative, or the electricity when starting internal combustion engine 3
In the case that the detected value of the voltage in pond 2 is less than a reference value, control unit 6 is considered as the necessity height to be charged to battery 2, so that
Electric rotating machine 4 is controlled in specified time limit as the mode that generator is acted, and electric rotating machine 4 is entered as motor
Action is made.That is, control unit 6 is determined in a manner of voltage of the voltage higher than battery 2 for making to induce in winding 7U~7W
The fixed actual number of turn.
Then, control unit 6 has two threshold values (first threshold C1, second set in advance of the rotating speed for internal combustion engine 3
Threshold value C2).Wherein, on first threshold C1, electric rotating machine 4 is made to be acted as motor shown in (a) such as Fig. 3
In the case of, as one, it is set as the rotating speed of torque=0 for the torque curve for making large model.First threshold C1 can also
It is to present below the rotating speed of torque=0.In addition, on Second Threshold C2, similarly, as one, it is set as making middle mould
The rotating speed of torque=0 of the torque curve of formula.Second Threshold C2 can also be presented below the rotating speed of torque=0.In addition,
The rotating speed that torque=0 is presented under small mode is the limit speed for being capable of rotation driving.
Therefore, control unit 6 be CPU 6B by perform from memory 6C read control program, come carry out inverter 5a,
The Schema control B1 of 5b driving, play the decision function per the mutual actual number of turn.Therefore, control unit 6 makes electric rotating machine 4
In the case of being acted as motor, the detected value of revolution detector 12 and the comparison of first, second threshold value C1, C2 are carried out
Judge (reference picture 7, threshold value multilevel iudge B11), the actual number of turn (reference picture 7, pattern are mutually determined by every according to the result of the judgement
Selection instruction B12).
Specifically, control unit 6 has first, second two threshold value C1, C2 (C1 for the rotating speed of internal combustion engine 3<C2).And
And control unit 6 selects large model, middle pattern and small mode when the detected value of revolution detector 12 is less than first threshold C1
In some pattern the electric rotating machine 4 is acted as motor, aid in internal combustion using the output of low-speed high-torque
The output of machine 3.
In addition, control unit 6 for more than first threshold C1 and is less than Second Threshold C2 in the detected value of revolution detector 12
When, pattern or small mode make the electric rotating machine 4 be acted as motor in selection, using the output of torque in middling speed come auxiliary
Help the output of internal combustion engine 3.
Also, control unit 6 uses when the detected value of revolution detector 12 is below more than threshold value C2 and limiting frequency
Small mode makes the electric rotating machine 4 be acted as motor.Thus, using the output of high speed low torque come auxiliary engine 3.
In addition, control unit 6 in the inverter operation beyond large model, controls opening for the switch for being not selected for connecting
Close charging (reference picture 7, charge control B2) of the parasitic diode attached in S to battery 2.Such as it have selected the 4th pattern
In the case of, the switch S of the switch for being selected as connecting is switch Sup2, Swp2, Svn2, from battery 2 to winding 7U2,7V2,
7W2 powers.Thus, for example the voltage induced in winding 7U1 carries out on-off operation to switch Sun1, thus, it is possible to
Control battery 2 voltage, while by accompany switch Sup1 parasitic diode battery 2 is charged (referring for example to
The part surrounded in Fig. 2A with circle).
Here, illustrate the one of the acting characteristic of system 1 using Fig. 4.
Fig. 4 exemplified with internal combustion engine 3 rotating speed N1 (>First threshold C1) and N2 (>Second Threshold C2) between the feelings that elapse
Acting characteristic under condition.In Fig. 4, transverse axis represents the rotating speed Ne of internal combustion engine 3, the longitudinal axis represent to flow through battery 2 and drive circuit 5 it
Between electric current I, the direction flowed through in the case where being acted as generator is set to just.In addition, generating will be used as mechanical, electrical
The electric current that motivation flows through is referred to as generation current, motor current and indicated by the solid line.Also, other electrical loads will be flowed through
Electric current is referred to as electrical load electric current and is indicated by a dotted line.
According to Fig. 4, in the action as generator, large model is selected to cause generation current to be more than electrical load electric current.
In addition, in the action as motor, it is less than in the range of Second Threshold C2 mould in such as selection in the rotating speed of internal combustion engine 3
Formula, small mode is selected in the range of more than Second Threshold C2.
Moreover, over time by observation action when, the solid line and motor current of rotating speed Ne and electric current I in generation current
Come and gone between solid line.
(effect of first embodiment)
According to the system 1 of first embodiment, electric rotating machine 4 by winding 7U~7W each in set transition joint 8U~
8W makes the actual number of turn by every mutually variable.
In addition, control unit 6 is by performing, from being switched possessed by inverter circuit 5a, 5b in S, gradually selection connects on-off
The switch opened, and the gradually inverter operation for the switch S that change should select, to control the action of electric rotating machine 4.Also, control
The actual number of turn is mutually changed by performing inverter operation, by every in portion 6 processed.
Thereby, it is possible to make the actual number of turn increase and decrease at high speed by every phase, therefore can make as the defeated of motor or generator
Go out and change or make the action of electric rotating machine 4 to switch at high speed between motor and generator at high speed.Therefore, in system 1
In, it is possible to increase specific fuel consumption reducing effect.Such as passed through in the past in induced voltage caused by height rotation by reducing
Short circuit increases the charge volume to battery 2 to be discharged into the amount on ground, thus, it is possible to improving specific fuel consumption reducing effect.
In addition, system 1 possesses the revolution detector 12 of the rotating speed of detection internal combustion engine 3, control unit 6, which has, is directed to internal combustion engine 3
Rotating speed threshold value C1, C2 (C1<C2), according to the detected value of revolution detector 12 and the result of the comparison of threshold value C1, C2, by every
Mutually change the actual number of turn.
Load change accordingly, for internal combustion engine 3 etc., the output of electric rotating machine 4 can be changed at high speed.
In addition, system 1 possesses the voltage detector 13 of the voltage of detection battery 2.Moreover, control unit 6 is based on using voltage
Voltage detector 13 when the charging revenue and expenditure or startup internal combustion engine 3 of the battery 2 of the rheological parameters' change with time prediction of the detected value of detector 13
Detected value, decide whether to make electric rotating machine 4 to be acted as motor.
Thereby, it is possible to reduce the variation in voltage pair of the battery 2 caused by making electric rotating machine 4 be acted as motor
Influenceed caused by other electrical loads.
Also, control unit 6 controls that attaches in the switch S for the switch for being not selected for connecting in inverter operation to post
The charging of raw diode pair battery 2.Thereby, it is possible to improve charge efficiency.
(second embodiment)
Illustrate the system 1 of second embodiment.In this second embodiment, with the knot different from the system 1 of first embodiment
Illustrated centered on structure, identical symbol pair used with the structure identical structure illustrated in the first embodiment, omit or
Simplify its explanation.
In the control unit 6 of the system 1 of second embodiment, CPU 6B are read involved by memory 6C second embodiment
Control program and execution, thus as shown in Figure 8 provide control unit 6 function.Internal combustion engine 3 is also included determining whether in the function
Stroke stroke determination unit 15 (reference picture 5, Fig. 8：Function is played as stroke identifying unit).
Control unit 3 decides whether to make electric rotating machine 4 according to the result of the judgement of stroke determination unit 15 according to the position of stroke
Acted (reference picture 8, block B21) as motor.Stroke determination unit 15 is for example according to the letter exported from revolution detector 12
Number the signal of crankangle (represent) and represent that signal of pressure of inspiration(Pi) of internal combustion engine 3 etc. judges the stroke of internal combustion engine 3.
Moreover, for example, control unit 6 the stroke for being determined as internal combustion engine 3 by stroke determination unit 15 be at least compression travel or
When breaking out stroke, electric rotating machine 4 is set to be acted as motor.Such as shown in Fig. 6, thinking the auxiliary of the output of internal combustion engine 3
Help the latter half of particularly effective compression travel, break out the first half of stroke entirety and instroke, make electric rotating machine 4
Acted as motor, the traveling of vehicle is felt optimal.
In addition, in the period of beyond during making electric rotating machine 4 be acted as motor, control unit 6 makes electric rotating
Machine 4 is acted (reference picture 8, block B22) as generator.In addition, control unit 6 extends or contracted according to the charging revenue and expenditure of battery 2
During short conduct motor is acted (reference picture 8, block S23).If that is, it is being expected as motor to be acted
In the case that then the charge volume of battery 2 is too low, during the shortening of control unit 6 is acted as motor, expand as generating
During machine is acted.
According to the above, according to the system 1 of second embodiment, according to the stroke of internal combustion engine 3, more specifically make electric rotating machine 4
Action switch between motor and generator, thus, it is possible to further improve specific fuel consumption reducing effect, and can
The traveling for improving vehicle is felt.
(variation)
The present application mode is not limited to embodiment, it can be considered that various modifications example.
For example, according to the system 1 of embodiment, transition joint 8U, 8V, 8W are respectively arranged 1 by every phase, still, such as
Transition joint 8U~8W can also respectively be set to more than 2, and correspondingly increased with transition joint 8U~8W number increase
Inverter circuit.
In addition, according to winding 7U~7W of embodiment, such as winding 7U1,7U2 are connected in series in winding 7U, by winding
7U1,7U2 actual number of turn are set to identical n to be illustrated, but winding 7U~7W mode is not limited to this side
Formula.For example, it is also possible to two winding parallels that the actual number of turn is n are connected to set winding 7U1.
In addition, the number of poles of the rotor of electric rotating machine 4 and the number of poles of stator are not limited to for the dynamotor as 3 phases
The pole of in general 12,18 poles, the mode of connection as winding can also use triangle (Δ) wiring.
In addition, embodiment is not limited in the period of the action of electric rotating machine 4 is switched between motor and generator,
Can be according to the appropriate change such as the traveling of vehicle sensation.
Alternatively, it is also possible to slow down when etc. in order to increase engine braking, control unit 6 is performed following short-circuit mode.
That is, short-circuit mode refers to, the control model of winding 7U~7W induced voltage and ground short circuit is made by inverter operation, different
In the control model for making electric rotating machine 4 be acted as motor, generator.
Such as in the short-circuit mode, both with ON switch Sun1, Svn1, Swn1 the generation current can be made short-circuit, can also
ON switch Sun2, Svn2, Swn2 are gone back in addition to switching Sun1, Svn1, Swn1.
Now, such as in the case of caused generation current short circuit in making winding 7U1,7U2,7V1,7V2, connection is passed through
Switch Sun1, Svn1 to carry out short circuit, and by going back ON switch Sun2, Svn2, energy in addition to switching Sun1, Svn1
Enough disperse heating during short circuit, and the short-circuit degree of winding can be improved to provide stopping power.
In addition, on generating electricity, travelling auxiliary and engine braking, its degree suitably can also be adjusted by PWM controls etc.
To optimize.In addition, short-circuit mode can also independently press set time or set interval with the stroke of internal combustion engine 3
Perform.
The disclosure is described according to embodiment, it should be understood that the disclosure is not limited to the embodiment, construction.The disclosure
Also including the deformation in various modifications example, equivalency range.In addition, various combinations, mode and in these combinations, in modes
Other combinations, mode only comprising a key element or more than it or below it are also included within the category of the disclosure, thought range
It is interior.
Claims (9)
1. a kind of for motor vehicle motor/generator unit (1), it is interior so as to aid in that output is produced by the power supply from battery (2)
The output of combustion engine (3), or the battery (2) is filled the voltage that induces using the output by internal combustion engine (3)
Electricity, the motor/generator unit (1) possess：
Electric rotating machine (4), as the output that aids in the internal combustion engine (3) motor or the battery (2) is charged
Generator is acted, by setting transition joint (8U~8W) in the winding (7U~7W) of each phase, enabling by every phase
Change is supplied to described by the power supply from the battery (2) and the number of turn of part that is energized or by the voltage induced
The number of turn of the part of battery (2) is the actual number of turn；
Drive circuit (5), there are the multiple inverter circuits (5a, 5b) being connected with the winding (7U~7W) of each phase, at this
The inverter circuit being connected with the transition joint (8U~8W) in inverter circuit (5a, 5b) be present；And
Control unit (6), by perform from semiconductor switch (S) possessed by the multiple inverter circuit (5a, 5b) by
The secondary switch for selecting to be switched on or switched off and the gradually inverter operation for the semiconductor switch (S) that change should select, to control
The action of the electric rotating machine (4) is made,
The control unit (6) mutually changes the actual number of turn by performing the inverter operation, by every.
2. motor/generator unit (1) according to claim 1, wherein,
Possessing rotation speed detection unit (12), the rotation speed detection unit (12) detects the rotating speed of the internal combustion engine (3),
Described control unit (6) has the threshold value (C1, C2) of the rotating speed for the internal combustion engine (3), according to the Rotating speed measring
The detected value of unit (12) and the result of the comparison of the threshold value (C1, C2), the actual number of turn is mutually changed by every.
3. motor/generator unit (1) according to claim 2, wherein,
The threshold value has first threshold (C1) and the Second Threshold (C2) more than the first threshold (C1), described control unit
(6) electric rotating machine (4) conduct is made when the detected value of the rotation speed detection unit (12) is less than the first threshold (C1)
Motor is acted the output to utilize the output of low-speed high-torque come auxiliary engine (3), is more than institute in the detected value
Using the output of torque in middling speed come auxiliary engine (3) when stating first threshold (C1) and being less than the Second Threshold (C2)
Output, or when the detected value is more than the Second Threshold (C2) using the output of high speed low torque come auxiliary engine
(3)。
4. the motor/generator unit (1) according to any one of claims 1 to 3, wherein,
Possessing stroke identifying unit (15), the trip identifying unit (15) judges the stroke of the internal combustion engine (3),
Described control unit (6) decides whether to make the electric rotating according to the result of the judgement of the stroke identifying unit (15)
Machine (4) is acted as the motor.
5. motor/generator unit (1) according to claim 4, wherein,
The electric rotating machine (4) is set to include during being acted as the motor by the stroke identifying unit (15)
It is determined as the period in compression travel.
6. the motor/generator unit (1) according to any one of Claims 1 to 5, wherein,
Described control unit (6) from more than 3 kinds of numerical value (2n, 3n, 4n) by by per the actual number of turn is mutually changed, selecting
The actual number of turn of full phase.
7. the motor/generator unit (1) according to any one of claim 1~6, wherein,
Possessing voltage detection unit (13), the voltage detection unit (13) detects the voltage of the battery (2),
Described control unit (6) is based on described come what is predicted using the rheological parameters' change with time of the detected value of the voltage detection unit (13)
The detected value of the voltage detection unit (13) when the charging revenue and expenditure of battery (2) or startup internal combustion engine (3), decision are
It is no the electric rotating machine (4) is acted as the motor.
8. the motor/generator unit (1) according to any one of claim 1~7, wherein,
The semiconductor for the switch that described control unit (6) control is not selected for connecting in the inverter operation is opened
Close charging of the parasitic diode attached in (S) to the battery (2).
9. the motor/generator unit (1) according to any one of claim 1~8, wherein,
Described control unit (6) have make to induce in the winding (7U~7W) of each phase by the inverter operation
Voltage short circuit short-circuit mode.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015078197A JP6421681B2 (en) | 2015-04-07 | 2015-04-07 | Motor generator equipment |
| JP2015-078197 | 2015-04-07 | ||
| PCT/JP2016/061400 WO2016163458A1 (en) | 2015-04-07 | 2016-04-07 | Electromotive power-generator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107534409A true CN107534409A (en) | 2018-01-02 |
| CN107534409B CN107534409B (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201680020674.5A Active CN107534409B (en) | 2015-04-07 | 2016-04-07 | Motor generator device |
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| JP (1) | JP6421681B2 (en) |
| CN (1) | CN107534409B (en) |
| WO (1) | WO2016163458A1 (en) |
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| CA3129793A1 (en) * | 2020-09-20 | 2022-03-20 | The Boeing Company | Protection system for aircraft electric propulsion motor and motor controller |
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| CN1725626A (en) * | 2004-07-12 | 2006-01-25 | 株式会社日立制作所 | Driving/electric-power generating system for a vehicle |
| CN101355341A (en) * | 2007-07-27 | 2009-01-28 | 通用汽车环球科技运作公司 | Electric motor systems |
| JP2011199984A (en) * | 2010-03-18 | 2011-10-06 | Tokyo Institute Of Technology | Motor driving system |
| US20130175954A1 (en) * | 2009-01-16 | 2013-07-11 | International Business Machines Corporation | Dynamic reconfiguration-switching of windings in an electric motor used as a generator in an electric vehicle |
| CN103281034A (en) * | 2013-05-03 | 2013-09-04 | 哈尔滨工业大学 | Multi-phase motor winding switching circuit |
| JP2013207919A (en) * | 2012-03-28 | 2013-10-07 | Asmo Co Ltd | Coil changeover device provided to 3-phase ac electric motor, method of detecting short circuit failures of changeover switching element of coil changeover device provided to 3-phase ac electric motor, and method of detecting open circuit failures of changeover switching element of coil changeover device provided to 3-phase ac electric motor |
| JP2014058825A (en) * | 2012-09-18 | 2014-04-03 | Hitachi Constr Mach Co Ltd | Construction machine |
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2015
- 2015-04-07 JP JP2015078197A patent/JP6421681B2/en active Active
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2016
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| CN1725626A (en) * | 2004-07-12 | 2006-01-25 | 株式会社日立制作所 | Driving/electric-power generating system for a vehicle |
| CN101355341A (en) * | 2007-07-27 | 2009-01-28 | 通用汽车环球科技运作公司 | Electric motor systems |
| US20130175954A1 (en) * | 2009-01-16 | 2013-07-11 | International Business Machines Corporation | Dynamic reconfiguration-switching of windings in an electric motor used as a generator in an electric vehicle |
| JP2011199984A (en) * | 2010-03-18 | 2011-10-06 | Tokyo Institute Of Technology | Motor driving system |
| JP2013207919A (en) * | 2012-03-28 | 2013-10-07 | Asmo Co Ltd | Coil changeover device provided to 3-phase ac electric motor, method of detecting short circuit failures of changeover switching element of coil changeover device provided to 3-phase ac electric motor, and method of detecting open circuit failures of changeover switching element of coil changeover device provided to 3-phase ac electric motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6421681B2 (en) | 2018-11-14 |
| WO2016163458A1 (en) | 2016-10-13 |
| JP2016201860A (en) | 2016-12-01 |
| CN107534409B (en) | 2020-03-03 |
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