CN207989209U - Motor start-up control device based on threephase generator - Google Patents
Motor start-up control device based on threephase generator Download PDFInfo
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- CN207989209U CN207989209U CN201820418541.XU CN201820418541U CN207989209U CN 207989209 U CN207989209 U CN 207989209U CN 201820418541 U CN201820418541 U CN 201820418541U CN 207989209 U CN207989209 U CN 207989209U
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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
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Abstract
The utility model provides a kind of motor start-up control device based on threephase generator, wherein device includes：Engine, the motor being connect with engine, the three phase full bridge circuit being electrically connected with motor, the modulation controller being electrically connected with three phase full bridge circuit, and the accumulator that is electrically connected with three phase full bridge circuit.Wherein, engine is used under the drive of motor drive electric power generation after starting；Motor is for consuming electric energy startup engine or being produced electricl energy under the drive of engine；Three phase full bridge circuit is for adjusting the input current of motor to control the rotating speed of motor or the output current of commutating machine；Modulation controller is for controlling three phase full bridge circuit to adjust the input current of motor or the output current of commutating machine；Accumulator is used to provide electric energy to motor or receives the electric energy that motor generates.The utility model saves the arrangement space of vehicle, keeps the electrical power generators range of speeds wider, generating efficiency higher.
Description
Technical field
The utility model is related to hybrid power system and internal combustion engine start technical field of power generation, more particularly to one kind is with internal combustion
Machine and the hybrid power system that battery is the energy are exactly specifically a kind of motor start-up control dress based on threephase generator
It sets.
Background technology
With persistently riseing for China's car ownership, the serious crisis of traditional energy, while vehicle exhaust are not only caused
Discharge also brings huge harm to environment.Energy saving, emission reduction becomes the theme that new century global energy utilizes.With the energy
Worsening shortages require people to research and develop new power technology, and in this context, new-energy automobile comes into being, but due to new
The charging problems of energy automobile, course continuation mileage problem so that the development of new-energy automobile shoulders heavy responsibilities, in contrast, mixing
Dynamical system can preferably solve the problems, such as fuel consumption and air pollution problems inherent, and China promotes the space of new-energy automobile
Very big, therefore, research and development have prodigious necessity with China's new-energy automobile technology is promoted.
In numerous new-energy automobile solutions, the mixing for combining conventional fuel oil automobile and pure electric automobile advantage is dynamic
Power automobile, not substantially changes existing automobile industry structure, does not also change existing energy system and user's use habit, becomes most
The energy-saving and environment-friendly automobile of the real development significance of tool and industrialization prospect.So-called hybrid vehicle refers to same on an automobile
Shi Peibei power-driven systems and auxiliary power unit, at present hybrid vehicle typically refer to fuel engines and motor form
Oil-electric vehicle.As government is to the input of hybrid vehicle and continuing to increase for exploitation dynamics, China's mixing
Power vehicle has welcome important opportunity to develop.The research in the fields such as basic research, the key technique of hybrid vehicle is
Industry development provides strong technical support, develops and has become future automobile industrial development using hybrid vehicle
Inevitable direction.
It is existing as shown in FIG. 1, FIG. 1 is the structural schematic diagram of the internal combustion engine start control device of existing hybrid vehicle
When the engine 10 of hybrid vehicle needs to start, powered first to internal combustion engine start control device by accumulator 20, motor
30 are used as electric motor operation, by controlling six power tubes V1, V2, V3, V4, V5, V6 inside three phase full bridge circuit 40 successively
On off state and make-and-break time control rotation and the rotating speed of motor 30, six power tubes switchings are primary, motor 30 just rotates
One circle, the rotation of motor 30 is controlled with this principle.If each second switches 100 times, the rotating speed of motor 30 is exactly 100r/s,
Three phase full bridge circuit 40 plays the role of driving motor 30 at this time, so that motor 30 is dragged engine work, when reaching engine 10
After rotating speed being started, engine 10 starts, and internal combustion engine start control device stops powering to motor 30.
When engine 10 reaches the rotating speed that motor 30 can generate electricity, motor 30 is used as generator operation, motor 30 to start
Power generation, the electric energy issued need through rectifier bridge 50, come rectification, electric energy to be provided to motor or accumulator.But existing skill
Art scheme has the following problems：1. because increasing an independent rectification part, to arrangement space and heat dissipation performance requirement more
It is harsh；2. because component is more, assembly technology is cumbersome, and internal combustion engine start control device and rectifier bridge are all high power devices, defeated
Enter the bad fixation of the bundle of outputs, and mounting process is complicated, wastes production technology；3. using existing structure scheme, electrical power generators
The range of speeds is narrow, and generator is unable to Power Regulation, and generator efficiency is low；4. existing scheme is complicated, of high cost, total system
Functional reliability is relatively poor.
Start the control mode and its feature of power-generating control system for available engine, the utility model is intended to design one
Money disclosure satisfy that hybrid electric vehicle engine startup, electrical power generators rectification and electricity generation system are capable of the integration of regulation power
Internal combustion engine start control device improves the safety of hybrid power system, reliability, craftsmanship, reduces the complexity of production assembly
Degree saves the arrangement space of vehicle, keeps the electrical power generators range of speeds wider, generating efficiency higher.
Utility model content
In view of this, the technical problem to be solved by the present invention is to provide a kind of motor based on threephase generator
Start control device, solves that existing internal combustion engine start control device is complicated, the range of speeds is narrow for power generation, generating efficiency is low
Problem.
In order to solve the above-mentioned technical problem, specific embodiment of the present utility model provides a kind of based on threephase generator
Motor start-up control device, including：Engine, the motor being connected with the engine, the three-phase being electrically connected with the motor
Full-bridge circuit, the modulation controller being electrically connected with the three phase full bridge circuit, and be electrically connected with the three phase full bridge circuit
Accumulator.Wherein, the engine is used under the drive of the motor drive the electric power generation after starting；The motor is used
Start the engine in consumption electric energy or is produced electricl energy under the drive of the engine；The three phase full bridge circuit is used for
Adjust the input current of the motor to control the motor rotating speed or rectification described in motor output current；The tune
Controller processed is used to control the three phase full bridge circuit come the defeated of motor described in the input current for adjusting the motor or rectification
Go out electric current；The accumulator is used to provide electric energy to the motor or receives the electric energy that the motor generates.
In another specific implementation mode of the utility model, the motor start-up control device based on threephase generator also wraps
It includes：Sensor is electrically connected with the stator of the motor and the modulation controller, the output current for incuding the motor.
Wherein, the sensor is current inductor.
Wherein, the three phase full bridge circuit specifically includes：First field-effect transistor has the first source electrode, first grid
With the first drain electrode, wherein first source electrode is electrically connected with the poles U of the motor, the first grid and the modulation control
Device is electrically connected, and first drain electrode is electrically connected with the anode of the accumulator；First diode, it is negative with the first anode and first
Pole, wherein first anode is electrically connected with first source electrode, and first cathode is electrically connected with first drain electrode；The
Two field-effect transistors have the second source electrode, second grid and the second drain electrode, wherein second source electrode and the accumulator
Cathode electrical connection, the second grid is electrically connected with the modulation controller, described second drain it is extremely electric with the U of the motor
Connection；Second diode has the second anode and the second cathode, wherein and second anode is electrically connected with second source electrode,
Second cathode is electrically connected with second drain electrode；Third field-effect transistor has third source electrode, third grid and third
Drain electrode, wherein the third source electrode is electrically connected with the poles V of the motor, and the third grid is electrically connected with the modulation controller
It connects, the third drain electrode is electrically connected with the anode of the accumulator；Third diode has third anode and third cathode,
In, the third anode is electrically connected with the third source electrode, and the third cathode is electrically connected with third drain electrode；4th effect
Transistor is answered, there is the 4th source electrode, the 4th grid and the 4th drain electrode, wherein the cathode of the 4th source electrode and the accumulator
Electrical connection, the 4th grid are electrically connected with the modulation controller, and the 4th drain electrode is electrically connected with the poles V of the motor；
4th diode has the 4th anode and the 4th cathode, wherein the 4th anode is electrically connected with the 4th source electrode, described
4th cathode is electrically connected with the 4th drain electrode；5th field-effect transistor has the 5th source electrode, the 5th grid and the 5th leakage
Pole, wherein the 5th source electrode is electrically connected with the poles W of the motor, and the 5th grid is electrically connected with the modulation controller,
5th drain electrode is electrically connected with the anode of the accumulator；5th diode has the 5th anode and the 5th cathode, wherein
5th anode is electrically connected with the 5th source electrode, and the 5th cathode is electrically connected with the 5th drain electrode；6th field-effect
Transistor has the 6th source electrode, the 6th grid and the 6th drain electrode, wherein the negative electricity of the 6th source electrode and the accumulator
Connection, the 6th grid are electrically connected with the modulation controller, and the 6th drain electrode is electrically connected with the poles W of the motor；The
Six diodes have the 6th anode and the 6th cathode, wherein and the 6th anode is electrically connected with the 6th source electrode, and described the
Six cathode are electrically connected with the 6th drain electrode.
Wherein, first field-effect transistor, second field-effect transistor, the third field-effect transistor,
4th field-effect transistor, the 5th field-effect transistor and the 6th field-effect transistor are cmos fet
Transistor.
Wherein, first field-effect transistor, second field-effect transistor, the third field-effect transistor,
The switching frequency of 4th field-effect transistor, the 5th field-effect transistor and the 6th field-effect transistor is equal to
The rotating speed of the motor.
Wherein, the accumulator is lithium battery or lead-acid battery.
Wherein, the modulation controller is control circuit for pulse-width modulation.
Wherein, the engine is internal combustion engine.
Above-mentioned specific implementation mode according to the present utility model is it is found that the motor start-up control dress based on threephase generator
It sets and at least has the advantages that：Using motor not only can as electric motor operation, but also can be as generator operation can
Inverse principle, can be mutual by topology of the three phase full bridge circuit under driving or rectification state inside motor start-up control device
For reversed principle, the double action of same three phase full bridge circuit full bridge driving and rectification is realized, to realize to existing whole
The saving of stream unit (rectifier bridge)；Motor is used as electric motor operation to drive engine rotation before an engine is started, is sent out when reaching
Engine commencement of fuel injection is lighted a fire after the rotating speed that motivation can start, engine start, and after engine start, engine drags in turn
Dynamic motor rotation, motor converts the mechanical energy of engine to electric energy, meets vehicle to electric energy as generator operation at this time
It needs；The startup, the power generation rectification of generator and the power regulation of electricity generation system that hybrid electric vehicle engine may be implemented, carry
The safety of high hybrid power system, functional reliability, mounting process reduce the complexity of production assembly, save vehicle
Arrangement space, keep the electrical power generators range of speeds wider, generating efficiency higher.
It is to be understood that above-mentioned general description and detailed description below are merely illustrative and illustrative, not
The range to be advocated of the utility model can be limited.
Description of the drawings
Following appended attached drawing is the part of specification of the utility model, and the example for depicting the utility model is real
Example is applied, appended attached drawing is used for illustrating the principles of the present invention together with the description of specification.
Fig. 1 is the structural schematic diagram of the internal combustion engine start control device of existing hybrid vehicle；
Fig. 2 is a kind of motor start-up control dress based on threephase generator that specific embodiment of the present invention provides
The structural schematic diagram for the embodiment one set；
Fig. 3 is a kind of motor start-up control dress based on threephase generator that specific embodiment of the present invention provides
The structural schematic diagram for the embodiment two set.
Fig. 4 is a kind of motor start-up control dress based on threephase generator that specific embodiment of the present invention provides
The structural schematic diagram for the embodiment three set.
Symbol description：
10 engine, 20 accumulator
30 motor, 40 three phase full bridge circuit
50 rectifier bridges
1 engine, 2 motor
3 three phase full bridge circuit, 4 modulation controller
5 accumulator, 6 sensor
Q1 the first field-effect transistor the first diodes of D1
Q2 the second field-effect transistor the second diodes of D2
Q3 third field-effect transistor D3 third diodes
The 4th diodes of the 4th field-effect transistor D4 of Q4
The 5th diodes of the 5th field-effect transistor D5 of Q5
The 6th diodes of the 6th field-effect transistor D6 of Q6
Specific implementation mode
To make the purpose, technical scheme and advantage of the utility model embodiment be more clearly understood, below will with attached drawing and
Narration clearly illustrates that the spirit of the utility model disclosure, any skilled artisan are understanding this reality in detail
After the embodiment of new content, when the technology that can be taught by the utility model content, it is changed and modifies, do not take off
Spirit and scope from the utility model content.
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, but is not intended as to this practicality
Novel restriction.In addition, in the drawings and embodiments the use of element/component of same or like label is for representing phase
Same or similar portions.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
It is non-to limit the utility model, only for distinguishing the element described with same technique term or operation.
About direction term used herein, such as：Upper and lower, left and right, front or rear etc. are only the sides of refer to the attached drawing
To.Therefore, the direction term used is intended to be illustrative and not intended to limit this creation.
It is the term of opening, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", include the things any or all combinations.
Include " two " and " two or more " about " multiple " herein；Include " two groups " about " multigroup " herein
And " more than two ".
About term used herein " substantially ", " about " etc., to modify it is any can be with the quantity or mistake of microvariations
Difference, but this slight variations or error can't change its essence.In general, microvariations that such term is modified or error
Range in some embodiments can be 20%, in some embodiments can be 10%, can be in some embodiments 5% or its
His numerical value.It will be understood by those skilled in the art that the aforementioned numerical value referred to can be adjusted according to actual demand, it is not limited thereto.
It is certain describing the word of the application by lower or discuss in the other places of this specification, to provide art technology
Personnel's guiding additional in relation to the description of the present application.
Fig. 2 is a kind of motor start-up control dress based on threephase generator that specific embodiment of the present invention provides
The structural schematic diagram for the embodiment one set, as shown in Fig. 2, engine for motor provides driving after starting under the drive of motor
Power drives electric power generation, and when engine is not actuated, battery is powered to motor, and motor works in electric motor mode, consumes electric energy
Start motor；After engine start, motor rotation, motor is driven to work in generator mode, produce electricl energy and filled to accumulator
Electricity.
In the specific implementation mode shown in the drawings, the motor start-up control device based on threephase generator includes：Hair
Motivation 1, motor 2, three phase full bridge circuit 3, modulation controller 4 and accumulator 5.Wherein, engine 1 is used in the motor 2
The motor 2 is driven to generate electricity after driving lower start；Motor 2 is connect with the engine 1, and motor 2 starts institute for consuming electric energy
It states engine 1 or is produced electricl energy under the drive of the engine 1；Three phase full bridge circuit 3 is electrically connected with the motor 2, and three
Phase full-bridge circuit 3 be used for adjust the input current of the motor 2 to control the motor 2 rotating speed or rectification described in motor
2 output current；Modulation controller 4 is electrically connected with the three phase full bridge circuit 3, and modulation controller 4 is for controlling the three-phase
Full-bridge circuit 3 come adjust the motor input current or rectification described in motor output current；Accumulator 5 and the three-phase
Full-bridge circuit 3 is electrically connected, and accumulator 5 is used to provide electric energy to the motor 2 or receives the electric energy that the motor 2 generates.This
In the embodiment of utility model, the model MBC-IQ- of Beijing Bo Wei Science and Technology Ltd.s production may be used in modulation controller 4
02 modulation controller；The rotating speed when motor 2 consumes electric energy is V1, rotating speed is V after the engine 1 starts2, V2It can be with
More than V1, might be less that V1；Under normal conditions, V2More than V1When, 2 high power generation of motor, V2Less than V1When, 2 idling of motor
Power generation, motor 2 is wide as the electrical power generators range of speeds, generator can Power Regulation, generating efficiency is high.Accumulator 5 is supplied to motor 2
Electricity, motor 2 are used as motor operation, motor 2 to drive engine 1 to rotate together, after the startup rotating speed for reaching engine 1, start
Machine 1 starts, and engine 1 drives motor 2 to rotate at this time, and motor 2 is used as generator operation, the power storage that motor 2 is sent out storing
In battery 5；The accumulator 5 can be lithium battery or lead-acid battery；The modulation controller 4 can be pulse width modulation controlled
Circuit；The engine 1 is internal combustion engine.
Referring to Fig. 2, motor 2 can be generated electricity with the slow-speed of revolution, improve the generating efficiency of motor 2；Drive control is total with current rectification
With a three phase full bridge circuit 3 and radiator structure, saving space, arrangement are convenient, flexible, reduce cost, mitigate hybrid vehicle
Overall weight, contribute for vehicle lightweight.Integral motor provided by the utility model starts control device structure letter
It is single, it is convenient and practical, additionally it is possible to which that new energy industry is played in stability, the safety for improving the operation of motor start-up control device
Very big effect.
Fig. 3 is a kind of motor start-up control dress based on threephase generator that specific embodiment of the present invention provides
The structural schematic diagram for the embodiment two set, as shown in figure 3, being electrically connected with the stator of motor using sensor, whether detection-sensitive motor
Power generation carries out rectification so that modulation controller is modulated appropriately three phase full bridge circuit to the output current of motor.
In the specific implementation mode shown in the drawings, the motor start-up control device based on threephase generator further includes passing
Sensor 6.Wherein, sensor 6 is electrically connected with the stator of the motor 2 and the modulation controller 4, and sensor 6 is for incuding institute
State the output current of motor 2.In the embodiments of the present invention, the sensor 6 is current inductor, for example, can be electricity
Feel coil.
Referring to Fig. 3, the output current of 6 induction machine 2 of sensor can precisely determine that motor 2 works in generator mode
The case where, so that modulation controller 4 adjusts three phase full bridge circuit 3 in time, rectification is carried out to the output current of motor 2, by three-phase
AC rectification is electronically stored at direct current in accumulator 5, is realized simple, of low cost.
Fig. 4 is a kind of motor start-up control dress based on threephase generator that specific embodiment of the present invention provides
The structural schematic diagram for the embodiment three set, as shown in figure 4, three phase full bridge circuit is made of three groups of bridge circuits, every group of bridge-type electricity
It route two field-effect transistors and two diode compositions.
In the specific implementation mode shown in the drawings, the three phase full bridge circuit 3 specifically includes：First field-effect transistor
Q1, the first diode D1, the second field-effect transistor Q2, the second diode D2, third field-effect transistor Q3, third diode
D3, the 4th field-effect transistor Q4, the 4th diode D4, the 5th field-effect transistor Q5, the 5th diode D5, the 6th field-effect
Transistor Q6 and the 6th diode D6.Wherein, the first field-effect transistor Q1 has the first source electrode, first grid and the first leakage
Pole, wherein first source electrode is electrically connected with the poles U of the motor 2, and the first grid is electrically connected with the modulation controller 4
It connects, first drain electrode is electrically connected with the anode of the accumulator 5；First diode D1 has the first anode and the first cathode,
Wherein, first anode is electrically connected with first source electrode, and first cathode is electrically connected with first drain electrode；Second
Effect transistor Q2 has the second source electrode, second grid and the second drain electrode, wherein second source electrode and the accumulator 5
Cathode is electrically connected, and the second grid is electrically connected with the modulation controller 4, and second drain electrode is extremely electric with the U of the motor 2
Connection；Second diode D2 has the second anode and the second cathode, wherein second anode is electrically connected with second source electrode
It connects, second cathode is electrically connected with second drain electrode；Third field-effect transistor Q3 have third source electrode, third grid and
Third drains, wherein the third source electrode is electrically connected with the poles V of the motor 2, the third grid and the modulation controller
4 electrical connections, the third drain electrode are electrically connected with the anode of the accumulator 5；Third diode D3 has third anode and third
Cathode, wherein the third anode is electrically connected with the third source electrode, and the third cathode is electrically connected with third drain electrode；
4th field-effect transistor Q4 has the 4th source electrode, the 4th grid and the 4th drain electrode, wherein the 4th source electrode and the electric power storage
The cathode in pond 5 is electrically connected, and the 4th grid is electrically connected with the modulation controller 4, the 4th drain electrode and the motor 2
The poles V are electrically connected；4th diode D4 has the 4th anode and the 4th cathode, wherein the 4th anode and the 4th source electrode
Electrical connection, the 4th cathode are electrically connected with the 4th drain electrode；5th field-effect transistor Q5 has the 5th source electrode, the 5th grid
Pole and the 5th drain electrode, wherein the 5th source electrode is electrically connected with the poles W of the motor 2, and the 5th grid is controlled with the modulation
Device 4 processed is electrically connected, and the 5th drain electrode is electrically connected with the anode of the accumulator 5；5th diode D5 have the 5th anode and
5th cathode, wherein the 5th anode is electrically connected with the 5th source electrode, and the 5th cathode is electrically connected with the 5th drain electrode
It connects；6th field-effect transistor Q6 have the 6th source electrode, the 6th grid and the 6th drain electrode, wherein the 6th source electrode with it is described
The cathode of accumulator 5 is electrically connected, and the 6th grid is electrically connected with the modulation controller 4, the 6th drain electrode and the electricity
The poles W of machine 2 are electrically connected；6th diode D6 has the 6th anode and the 6th cathode, wherein the 6th anode and the described 6th
Source electrode is electrically connected, and the 6th cathode is electrically connected with the 6th drain electrode.In the embodiments of the present invention, first effect
Answer transistor Q1, the second field-effect transistor Q2, the third field-effect transistor Q3, the 4th field-effect transistor
Q4, the 5th field-effect transistor Q5 and the 6th field-effect transistor Q6 are cmos fet transistor；Described
One field-effect transistor Q1, the second field-effect transistor Q2, the third field-effect transistor Q3, the 4th field-effect
The switching frequency of transistor Q4, the 5th field-effect transistor Q5 and the 6th field-effect transistor Q6 are equal to the motor
2 rotating speed.For example, when motor 2 works in generator mode, by controlling the first field-effect transistor Q1, described successively
Second field-effect transistor Q2, the third field-effect transistor Q3, the 4th field-effect transistor Q4, the 5th effect
On off state and the make-and-break time of transistor Q5 and the 6th field-effect transistor Q6 are answered to control the rotation of motor 2 and turn
Speed, Q1, Q2, Q3, Q4, Q5 and Q6 switching are primary, and motor 2 just enclose by rotation one, and the rotation of motor 2 is controlled with this principle, if
Each second, Q1, Q2, Q3, Q4, Q5 and Q6 switched 100 times, then the rotating speed of motor 2 is exactly 100r/s；Motor 2 works in motor mould
When formula, the first field-effect transistor Q1, the second field-effect transistor Q2, institute are controlled according to the rotating speed of motor 2 successively
State third field-effect transistor Q3, the 4th field-effect transistor Q4, the 5th field-effect transistor Q5 and the described 6th
The on off state and make-and-break time of field-effect transistor Q6, one circle of the rotation of motor 2, Q1, Q2, Q3, Q4, Q5 and Q6 switching are primary,
It is exactly each second Q1, Q2, Q3, Q4, Q5 and Q6 switching 150 times if the rotating speed of motor 2 is 150r/s.
Referring to Fig. 4, it can realize that the startup control of motor and motor 2 export electricity using a set of three phase full bridge circuit 3
The rectification of stream need not additionally configure rectifier bridge, save space, simple in structure, of low cost, be conducive to hybrid vehicle
Integrated development, while contributing for vehicle lightweight.
The utility model specific embodiment provides a kind of motor start-up control device based on threephase generator, utilizes electricity
Machine can not only be used as electric motor operation, but also can pass through motor start-up control device as the principle of reversibility of generator operation
Topological principle that can each other reversed of the internal three phase full bridge circuit under driving or rectification state, realizes that the same three-phase is complete
Bridge circuit full-bridge drives and the double action of rectification, to realize the saving to existing rectification part (rectifier bridge)；Motor is being sent out
Motivation is used as electric motor operation to drive engine rotation before starting, and engine starts after reaching the rotating speed that engine can start
Oil spout is lighted a fire, engine start, and after engine start, dragging motor rotates engine in turn, and motor is as generator at this time
Work, converts the mechanical energy of engine to electric energy, meets needs of the vehicle to electric energy；Hybrid vehicle may be implemented to start
The startup of machine, the power generation rectification of generator and the power regulation of electricity generation system, improve the safety of hybrid power system, work can
By property, mounting process, the complexity of production assembly is reduced, the arrangement space of vehicle is saved, makes electrical power generators rotating speed model
Enclose wider, generating efficiency higher.
The above descriptions are merely exemplary embodiments of the present utility model, in the design that does not depart from the utility model and
Under the premise of principle, the equivalent variations and modification that any those skilled in the art is made should all belong to the utility model guarantor
The range of shield.
Claims (9)
1. a kind of motor start-up control device based on threephase generator, which is characterized in that the device includes：Engine (1),
The motor (2) that is connect with the engine (1), the three phase full bridge circuit (3) being electrically connected with the motor (2), with the three-phase
The modulation controller (4) of full-bridge circuit (3) electrical connection, and the accumulator (5) that is electrically connected with the three phase full bridge circuit (3),
Wherein,
The engine (1) is used under the drive of the motor (2) after starting that the motor (2) to be driven to generate electricity；
The motor (2) starts the engine (1) or the generation electricity under the drive of the engine (1) for consuming electric energy
Energy；
The three phase full bridge circuit (3) is for adjusting the input current of the motor (2) to control the rotating speed of the motor (2)
Or the output current of motor described in rectification (2)；
The modulation controller (4) be used for control the three phase full bridge circuit (3) adjust the motor input current or
The output current of motor described in rectification；And
The accumulator (5) is used to provide electric energy to the motor (2) or receives the electric energy that the motor (2) generates.
2. the motor start-up control device based on threephase generator as described in claim 1, which is characterized in that the device is also
Including：
Sensor (6) is electrically connected with the stator of the motor (2) and the modulation controller (4), for incuding the motor
(2) output current.
3. the motor start-up control device based on threephase generator as claimed in claim 2, which is characterized in that the sensing
Device (6) is current inductor.
4. the motor start-up control device based on threephase generator as described in claim 1, which is characterized in that the three-phase
Full-bridge circuit (3) specifically includes：
First field-effect transistor (Q1), have the first source electrode, first grid and first drain electrode, wherein first source electrode with
The poles U of the motor (2) are electrically connected, and the first grid is electrically connected with the modulation controller (4), first drain electrode and institute
State the anode electrical connection of accumulator (5)；
First diode (D1) has the first anode and the first cathode, wherein first anode is electrically connected with first source electrode
It connects, first cathode is electrically connected with first drain electrode；
Second field-effect transistor (Q2), have the second source electrode, second grid and second drain electrode, wherein second source electrode with
The cathode of the accumulator (5) is electrically connected, and the second grid is electrically connected with the modulation controller (4), second drain electrode
It is electrically connected with the poles U of the motor (2)；
Second diode (D2) has the second anode and the second cathode, wherein second anode is electrically connected with second source electrode
It connects, second cathode is electrically connected with second drain electrode；
Third field-effect transistor (Q3), have third source electrode, third grid and third drain electrode, wherein the third source electrode with
The poles V of the motor (2) are electrically connected, and the third grid is electrically connected with the modulation controller (4), the third drain electrode and institute
State the anode electrical connection of accumulator (5)；
Third diode (D3) has third anode and third cathode, wherein the third anode is electrically connected with the third source electrode
It connects, the third cathode is electrically connected with third drain electrode；
4th field-effect transistor (Q4), have the 4th source electrode, the 4th grid and the 4th drain electrode, wherein the 4th source electrode with
The cathode of the accumulator (5) is electrically connected, and the 4th grid is electrically connected with the modulation controller (4), the 4th drain electrode
It is electrically connected with the poles V of the motor (2)；
4th diode (D4) has the 4th anode and the 4th cathode, wherein the 4th anode is electrically connected with the 4th source electrode
It connects, the 4th cathode is electrically connected with the 4th drain electrode；
5th field-effect transistor (Q5), have the 5th source electrode, the 5th grid and the 5th drain electrode, wherein the 5th source electrode with
The poles W of the motor (2) are electrically connected, and the 5th grid is electrically connected with the modulation controller (4), the 5th drain electrode and institute
State the anode electrical connection of accumulator (5)；
5th diode (D5) has the 5th anode and the 5th cathode, wherein the 5th anode is electrically connected with the 5th source electrode
It connects, the 5th cathode is electrically connected with the 5th drain electrode；
6th field-effect transistor (Q6), have the 6th source electrode, the 6th grid and the 6th drain electrode, wherein the 6th source electrode with
The cathode of the accumulator (5) is electrically connected, and the 6th grid is electrically connected with the modulation controller (4), the 6th drain electrode
It is electrically connected with the poles W of the motor (2)；And
6th diode (D6) has the 6th anode and the 6th cathode, wherein the 6th anode is electrically connected with the 6th source electrode
It connects, the 6th cathode is electrically connected with the 6th drain electrode.
5. the motor start-up control device based on threephase generator as claimed in claim 4, which is characterized in that described first
It is field-effect transistor (Q1), second field-effect transistor (Q2), the third field-effect transistor (Q3), 4th described
Effect transistor (Q4), the 5th field-effect transistor (Q5) and the 6th field-effect transistor (Q6) are CMOS effects
Answer transistor.
6. the motor start-up control device based on threephase generator as claimed in claim 4, which is characterized in that described first
It is field-effect transistor (Q1), second field-effect transistor (Q2), the third field-effect transistor (Q3), 4th described
Effect transistor (Q4), the 5th field-effect transistor (Q5) and the 6th field-effect transistor (Q6) switching frequency etc.
Rotating speed in the motor (2).
7. the motor start-up control device based on threephase generator as described in claim 1, which is characterized in that the electric power storage
Pond (5) is lithium battery or lead-acid battery.
8. the motor start-up control device based on threephase generator as described in claim 1, which is characterized in that the modulation
Controller (4) is control circuit for pulse-width modulation.
9. the motor start-up control device based on threephase generator as described in claim 1, which is characterized in that described to start
Machine (1) is internal combustion engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820418541.XU CN207989209U (en) | 2018-03-26 | 2018-03-26 | Motor start-up control device based on threephase generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418541.XU CN207989209U (en) | 2018-03-26 | 2018-03-26 | Motor start-up control device based on threephase generator |
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| Publication Number | Publication Date |
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| CN207989209U true CN207989209U (en) | 2018-10-19 |
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ID=63829220
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820418541.XU Active CN207989209U (en) | 2018-03-26 | 2018-03-26 | Motor start-up control device based on threephase generator |
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| Country | Link |
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| CN (1) | CN207989209U (en) |
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2018
- 2018-03-26 CN CN201820418541.XU patent/CN207989209U/en active Active
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