CN205647327U - Machine controller's drive circuit and have its vehicle - Google Patents
Machine controller's drive circuit and have its vehicle Download PDFInfo
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- CN205647327U CN205647327U CN201620273495.XU CN201620273495U CN205647327U CN 205647327 U CN205647327 U CN 205647327U CN 201620273495 U CN201620273495 U CN 201620273495U CN 205647327 U CN205647327 U CN 205647327U
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Abstract
The utility model discloses a machine controller's drive circuit and have its vehicle, drive circuit includes: firstly should receive six way control signal to the 6th signal reception terminal pair, first input and output to the 6th signal modulation module links to each other with the power switch unit that corresponds with the signal reception end that corresponds respectively to the power switch unit that the drive corresponds according to received control signal is opened or is turn -offed, switching power supply module's input links to each other with DC power supply, six outputs of switching power supply module correspond with first feeder ear to the 6th signal modulation module respectively and link to each other, a voltage conversion be six mutually independent second voltages with correspond offer first to the 6th signal modulation module for inciting somebody to action DC power supply provides, thereby every signal modulation module is all supplied power by independent source of power, prevent power supply interference, each looks that can the independent control motor, and driving method is safe more convenient, messenger's motor can be steady, the efficient rotates.
Description
Technical field
This utility model relates to electric vehicle engineering field, and drive circuit and one particularly to a kind of electric machine controller have
Its vehicle.
Background technology
For direct current generator, speed regulation is mainly realized by the size changing armature voltage.In the related, logical
The speed of direct current generator is regulated frequently with pulsewidth modulation modulation (PWM) signal.But, the pwm signal produced due to single-chip microcomputer
Voltage and current less, be only used for driving such as tens watts of low power motor or the motor of hundreds of watts, and cannot drive
The motor that dynamic heavy-duty motor is such as more than 2 kilowatts, so needing to be amplified pwm signal by drive circuit.But,
Correlation technique has the drawback that, the matching degree of the pwm signal ripple group ultimately generated and less stable, it is easy to cause electricity
Degree is shaken violent during machine high-speed rotation.
Therefore, correlation technique needs to improve.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
One purpose of type is to propose the drive circuit of a kind of electric machine controller, and this drive circuit can provide continual and steady PWM
Signal wave group, the work efficiency of lifting motor.
Another purpose of the present utility model is to propose a kind of vehicle.
For reaching above-mentioned purpose, the drive circuit of a kind of electric machine controller that on the one hand this utility model proposes, described motor control
Device processed includes that power switching modules, described power switching modules have the first to the 6th power switch unit, described drive circuit
Including: the first to the 6th signal receiving end, described first to the 6th signal receiving end correspondence receives six tunnel control signals；First
To the 6th signal modulation module, the input of each signal modulation module in described first to the 6th signal modulation module is with right
The signal receiving end answered is connected, and the outfan of each signal modulation module in described first to the 6th signal modulation module is with right
The power switch unit answered is connected, and described each signal modulation module drives corresponding power to open according to the control signal received
Pass unit is switched on or off；Switch power module, the input of described switch power module is connected with DC source, described in open
Close power module there are six outfans, six outfans of described switch power module respectively with described first to the 6th signal
The feeder ear correspondence of modulation module is connected, and described switch power module is for the first voltage conversion provided by described DC source
It is that six the second separate voltages are supplied to described first to the 6th signal modulation module with correspondence.
According to the drive circuit of the electric machine controller that the utility model proposes, by switch power module, DC source is provided
First voltage is converted to six the second separate voltages and is supplied to the first to the 6th signal modulation module, and with correspondence
One to the 6th signal modulation module drives corresponding power switch unit to be switched on or off according to the control signal received, thus
Each signal modulation module is powered by independent current source, prevents power supply disturbance, can independently control each phase of motor, and drive
Flowing mode more safe and convenient, enables motor steadily, rotate efficiently.
Further, described switch power module includes: power conversion unit, the input of described power conversion unit and institute
State DC source to be connected, so that described first voltage is converted to tertiary voltage；First to the 6th output unit, described first to
The outfan of each output circuit in the 6th output unit is connected with the feeder ear of corresponding signal modulation module；Voltage transformation unit,
Described voltage transformation unit has main coil, the first to the 6th secondary coil and feedback coil, described main coil and described Power convert
The outfan of unit is connected, and described first to the 6th secondary coil is corresponding with the input of the first to the 6th output unit to be connected, institute
Stating feedback coil to be connected with the feedback end of described power conversion unit, described voltage transformation unit is for being transformed to described tertiary voltage
Described six the second separate voltages are with by described first to the 6th described first to the 6th letter of output unit correspondence supply
The feeder ear of number modulation module.
Further, each output unit includes: the first diode, the anode of described first diode and corresponding secondary coil
One end be connected；First electric capacity, one end of described first electric capacity is connected with the negative electrode of described first diode；Second electric capacity,
One end of described second electric capacity is connected with the other end of described first electric capacity, the other end of described second electric capacity and corresponding by-pass
The other end of circle is connected, and has primary nodal point between described second electric capacity and described first electric capacity；First resistance, described first
One end of resistance is connected with one end of described first electric capacity；First stabilivolt, the negative electrode of described first stabilivolt is respectively with described
The other end of the first resistance is connected with described primary nodal point, the anode of described first stabilivolt and the other end of described second electric capacity
It is connected；Second resistance, one end of described second resistance is connected with one end of described first resistance；3rd electric capacity, the described 3rd
One end of electric capacity is connected with the other end of described second resistance, and the other end of described 3rd electric capacity is connected with described primary nodal point；
4th electric capacity, one end of described 4th electric capacity is connected with described primary nodal point, the other end ground connection of described 4th electric capacity；3rd
Resistance, one end of described 3rd resistance is connected with the other end of described 4th electric capacity, and the other end of described 3rd resistance is with described
The anode of the first stabilivolt is connected；Second stabilivolt, the negative electrode of described second stabilivolt is connected with one end of described 3rd electric capacity,
The anode of described second stabilivolt is connected with the other end of described 3rd electric capacity, and the negative electrode of described second stabilivolt is as described defeated
The feeder ear of the outfan and corresponding signal modulation module that go out unit is connected.
Further, each signal modulation module includes driver element and is connected to described driver element and connects with corresponding signal
Light-coupled isolation unit between receiving end, described driver element is isolated by described light-coupled isolation unit with described signal receiving end.
Further, described light-coupled isolation unit includes light-coupled isolation chip, the power pins of described light-coupled isolation chip and institute
State outfan corresponding in switch power module to be connected.
Further, described driver element includes: the 4th resistance, one end of described 4th resistance and described light-coupled isolation chip
Output pin be connected；First audion, defeated corresponding with described switch power module of the colelctor electrode of described first audion
Going out end to be connected, the base stage of described first audion is connected with the other end of described 4th resistance；Second audion, described second
The colelctor electrode of audion and ground connection, the base stage of described second audion is connected with the other end of described 4th resistance；5th resistance,
One end of described 5th resistance is connected with the emitter stage of described first audion；6th resistance, one end of described 6th resistance with
The other end of described 5th resistance is connected, and has secondary nodal point between described 6th resistance and described 5th resistance, and described second
Node is connected with corresponding power switch unit；Second diode, the anode of described second diode and described 6th resistance
The other end is connected, and the negative electrode of described second diode is connected with the emitter stage of described second audion.
Further, in described first signal modulation module, the first input pin of light-coupled isolation chip connects with described first signal
Receiving end is connected, the second input pin of light-coupled isolation chip and described secondary signal receiving terminal in described first signal modulation module
It is connected；In described secondary signal modulation module, the first input pin of light-coupled isolation chip is connected with described secondary signal receiving terminal,
In described secondary signal modulation module, the second input pin of light-coupled isolation chip is connected with described first signal receiving end；Described
In 3rd signal modulation module, the first input pin of light-coupled isolation chip is connected with described 3rd signal receiving end, and the described 3rd
In signal modulation module, the second input pin of light-coupled isolation chip is connected with described 4th signal receiving end；Described 4th signal
In modulation module, the first input pin of light-coupled isolation chip is connected with described 4th signal receiving end, described 4th signal modulation
In module, the second input pin of light-coupled isolation chip is connected with described 3rd signal receiving end；Described 5th signal modulation module
First input pin of middle light-coupled isolation chip is connected with described 5th signal receiving end, light in described 5th signal modulation module
Second input pin of coupling isolating chip is connected with described 6th signal receiving end；In described 6th signal modulation module optocoupler every
First input pin of off-chip sheet is connected with described 6th signal receiving end, light-coupled isolation core in described 6th signal modulation module
Second input pin of sheet is connected with described 5th signal receiving end.
Further, there is the 7th resistance, to suppress between described first signal receiving end and described secondary signal receiving terminal
State the differential mode interference between the first signal receiving end and described secondary signal receiving terminal；Described 3rd signal receiving end and described the
There is the 8th resistance, to suppress between described 3rd signal receiving end and described 4th signal receiving end between four signal receiving ends
Differential mode interference；Between described 5th signal receiving end and described 6th signal receiving end, there is the 9th resistance, described with suppression
Differential mode interference between 5th signal receiving end and described 6th signal receiving end.
Further, described first power switch unit includes the first metal-oxide-semiconductor, the drain electrode of described first metal-oxide-semiconductor and default electricity
Source is connected, and the grid of described first metal-oxide-semiconductor is connected with the driver element in described first signal modulation module by the tenth resistance；
Described second power switch unit includes the second metal-oxide-semiconductor, the drain electrode of described second metal-oxide-semiconductor and the source electrode of described first metal-oxide-semiconductor
Being connected, the grid of described second metal-oxide-semiconductor is connected with the driver element in described secondary signal modulation module by the 11st resistance,
The source ground of described second metal-oxide-semiconductor, has the 3rd node between described second metal-oxide-semiconductor and described first metal-oxide-semiconductor, described
3rd node is connected with the U phase terminal of described motor；Described 3rd power switch unit includes the 3rd metal-oxide-semiconductor, the described 3rd
The drain electrode of metal-oxide-semiconductor is connected with described default power supply, and the grid of described 3rd metal-oxide-semiconductor is by the 12nd resistance and described 3rd letter
Driver element in number modulation module is connected；Described 4th power switch unit includes the 4th metal-oxide-semiconductor, described 4th metal-oxide-semiconductor
Drain electrode be connected with the source electrode of described 3rd metal-oxide-semiconductor, the grid of described 4th metal-oxide-semiconductor pass through the 13rd resistance and the described 4th
Driver element in signal modulation module is connected, the source ground of described 4th metal-oxide-semiconductor, described 4th metal-oxide-semiconductor and described the
Having fourth node between three metal-oxide-semiconductors, described fourth node is connected with the V phase terminal of described motor；Described 5th power is opened
Close unit and include that the 5th metal-oxide-semiconductor, the drain electrode of described 5th metal-oxide-semiconductor are connected with described default power supply, described 5th metal-oxide-semiconductor
Grid is connected with the driver element in described 5th signal modulation module by the 14th resistance；Described 6th power switch unit
Including the 6th metal-oxide-semiconductor, the drain electrode of described 6th metal-oxide-semiconductor is connected with the source electrode of described 5th metal-oxide-semiconductor, described 6th metal-oxide-semiconductor
Grid be connected with the driver element in described 6th signal modulation module by the 15th resistance, the source of described 6th metal-oxide-semiconductor
Pole ground connection, has the 5th node, described 5th node and described motor between described 6th metal-oxide-semiconductor and described 5th metal-oxide-semiconductor
W phase terminal be connected.
For reaching above-mentioned purpose, a kind of vehicle that on the other hand this utility model proposes, including driving of described electric machine controller
Galvanic electricity road.
According to the vehicle that the utility model proposes, by the drive circuit of above-mentioned electric machine controller, each signal modulation module
All powered by independent current source, prevent power supply disturbance, can independently control each phase of motor, type of drive more safe and convenient,
Enable motor steadily, rotate efficiently.
Accompanying drawing explanation
Fig. 1 a is the block diagram of the drive circuit of the electric machine controller according to this utility model embodiment；
Fig. 1 b is the block diagram of the drive circuit of the electric machine controller according to one embodiment of this utility model；
Fig. 2 is the circuit theory diagrams of the drive circuit of the electric machine controller according to this utility model embodiment；
Fig. 3 is the circuit theory diagrams of the output unit of the drive circuit of the electric machine controller according to one embodiment of this utility model；
Fig. 4 is the circuit of the signal modulation module of the drive circuit of the electric machine controller according to another embodiment of this utility model
Schematic diagram；
Fig. 5 is the circuit theory diagrams of the drive circuit of the electric machine controller according to another embodiment of this utility model；And
Fig. 6 is that the circuit of the power isolation circuit of the drive circuit of the electric machine controller according to one embodiment of this utility model is former
Reason figure.
Reference:
First power switch unit M1 to the 6th power switch unit M6, the first signal receiving end A1 to the 6th signal receiving end
A6, power switching modules 2, drive circuit 3 and switch power module 4；
Power conversion unit the 40, first output unit P1 to the 6th output unit P6 and voltage transformation unit T；
UC2843 chip 41, driver element 51 and light-coupled isolation unit 52；
First diode D1, the first electric capacity C1, the second electric capacity C2, the first resistance R1, the first stabilivolt ZD1, the second resistance
R2, the 3rd electric capacity C3, the 4th electric capacity C4, the 3rd resistance R3 and the second stabilivolt ZD2；
Light-coupled isolation chip U-1, light-coupled isolation chip U-2, light-coupled isolation chip U-3, light-coupled isolation chip U-4, optocoupler
Isolating chip U-5, light-coupled isolation chip U-6, the 4th resistance R4, the first audion Q1, the second audion Q2, the 5th electricity
Resistance R5, the 6th resistance R6 and the second diode D2.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
Below with reference to the accompanying drawings describe the drive circuit of the electric machine controller that this utility model embodiment proposes in detail and there is it
Vehicle.
Fig. 1 a is the block diagram of the drive circuit of the electric machine controller according to this utility model embodiment.Such as Fig. 1 a and figure
Shown in 1b, electric machine controller includes that power switching modules 2, power switching modules 2 have the first power switch unit M1 to
Six power switch unit M6, power switching modules 2 is used for driving motor rotation, drive circuit 3 to include: the first signal receives
End A1 to the 6th signal receiving end A6, the first signal modulation module N1 to the 6th signal modulation module N6 and Switching Power Supply
Module 4.
Wherein, the first signal receiving end A1 to the 6th signal receiving end A6 correspondence receives six tunnel control signal PWM1 to PWM6,
Six tunnel control signals can be six road pwm control signals of microprocessor output；First signal modulation module N1 to the 6th signal is adjusted
The input of each signal modulation module in molding block N6 is connected with corresponding signal receiving end, the first signal modulation module
The outfan of each signal modulation module in N1 to the 6th signal modulation module N6 is connected with corresponding power switch unit,
Each signal modulation module drives corresponding power switch unit to be switched on or off according to the control signal received；Switching Power Supply
The input of module 4 is connected with DC source BATT, and switch power module 4 has six outfans, switch power module 4
Six outfans respectively with the feeder ear VCC1 to VCC6 of the first signal modulation module N1 to the 6th signal modulation module N6
Corresponding connected, switch power module 4 is separate for the first voltage V1 that DC source BATT provides is converted to six
The second voltage V2 be supplied to the first signal modulation module N1 to the 6th signal modulation module N6 with correspondence, wherein, the second electricity
Pressure V2 is less than the first voltage V1.
Specifically, as illustrated in figs. ia and ib, when drive circuit 3 is operated, switch power module 4 is by direct current
The first voltage V1 of power supply BATT is converted to six the second separate voltage V2, thinks the first signal modulation module N1
Separate supply voltage, and the first signal modulation module N1 to the 6th signal is provided to the 6th signal modulation module N6
The control signal received is amplified exporting the pwm control signal after six tunnels are amplified respectively, to pass through by modulation module N6
Pwm signal after the most wrong half period amplification drives the first power switch unit M1 to the 6th power switch unit M6, and then control
Motor rotation processed.
According to an embodiment of the present utility model, as in figure 2 it is shown, switch power module 4 includes: power conversion unit 40,
First output unit P1 to the 6th output unit P6 and voltage transformation unit T.
Wherein, the input of power conversion unit 40 is connected with DC source BATT, so that the first voltage V1 is converted to the 3rd
Voltage V3；The outfan of each output circuit in the first output unit P1 to the 6th output unit P6 is adjusted with corresponding signal
The feeder ear of molding block is connected；Voltage transformation unit T has main coil L, the first to the 6th secondary coil L1 to L6 and feedback line
Circle L0, main coil L are connected with the outfan of power conversion unit 40, the first secondary coil L1 to the 6th secondary coil L6 and the
The input correspondence of one output unit P1 to the 6th output unit P6 is connected, feedback coil L0 and power conversion unit 40
Feedback end is connected, and voltage transformation unit T for being transformed to six the second separate voltage V2 with by the by tertiary voltage V3
One output unit P1 to the 6th output unit P6 correspondence supplies the first signal modulation module N1 to the 6th signal modulation module N6
Feeder ear.
Specifically, the first voltage V1 magnitude of voltage that DC source BATT provides is relatively big, by power conversion unit 40 by the
One voltage V1 is converted to stablize controlled tertiary voltage V3, and tertiary voltage V3 is converted to six road magnitudes of voltage by voltage transformation unit T
The second less voltage V2, and exported respectively by the first output unit P1 to the 6th output unit P6.So, first to
The feeder ear of the 6th signal modulation module N1 to N6 can obtain separate power supply, to avoid the letter from power supply
Number interference.
Preferably, according to a concrete example of the present utility model, voltage transformation unit T can be selected for SX-EF1601.
According to a concrete example of the present utility model, power conversion unit 40 can include UC2843 chip 41 and peripheral electricity thereof
Road.DC source BATT is connected by 7 feet of R70 with UC2843 chip, thinks that UC2843 chip 41 provides and starts electricity
Pressure, UC2843 chip 41 is that UC2843 chip 41 is powered by feedback coil L0 through ZD40, D40 after starting；Resistance R42,
R43 will access 2 feet of UC2843 chip 41,6 feet of UC2843 chip 41 after the feedback voltage division of feedback coil L0
Exporting the first pwm signal, be switched on or off with the switching tube SW1 controlling to be connected with main coil L, R44 will flow through switching tube
The electric current of SW1 is converted to voltage and is input to 3 feet of UC2843 chip 41, to adopt the electric current flowing through switching tube SW1
Sample.
When UC2843 chip 41 is operated, if 2 foot voltages of UC2843 chip 41 are higher than predeterminated voltage such as 2.5V,
Then UC2843 chip 41 can reduce the higher limit of sampled voltage of 3 feet, and reduces the accounting for of the first pwm signal of 6 feet outputs
Empty ratio, to reduce the feedback voltage of feedback coil L0, makes the voltage of 2 feet reduce；If 2 foot electricity of UC2843 chip 41
Force down in 2.5V, then UC2843 chip 41 can improve the higher limit of sampled voltage of 3 feet, increases a PWM of 6 feet outputs
The dutycycle of signal, to improve feedback voltage, makes the voltage of 2 feet raise.
So, 2 foot voltages of UC2843 chip 41 can be controlled in about 2.5V, is come by the resistance of regulation R42, R43
The feedback voltage of regulation feedback coil L0, and then the voltage of regulation voltage transformation unit T output.
It should be noted that as in figure 2 it is shown, R41, C40 are connected with 4 feet and 8 feet of UC2843 chip 41, to determine
The oscillator frequency of UC2843 chip 41 and dead zone time；The feedback voltage of feedback coil L0 is after ZD41, D41 voltage stabilizing
3 feet of supply UC2843 chip 41, to prevent the appearance of the excessive situation of feedback voltage.
According to an embodiment of the present utility model, as it is shown on figure 3, each output unit includes: the first diode D1,
One electric capacity C1, the second electric capacity C2, the first resistance R1, the first stabilivolt ZD1, the second resistance R2, the 3rd electric capacity C3,
Four electric capacity C4, the 3rd resistance R3 and the second stabilivolt ZD2.
Wherein, the anode of the first diode D1 is connected with one end of corresponding secondary coil；One end and first of first electric capacity C1
The negative electrode of diode D1 is connected；One end of second electric capacity C2 is connected with the other end of the first electric capacity C1, the second electric capacity C2's
The other end is connected with the other end of corresponding secondary coil, has primary nodal point between the second electric capacity C2 and the first electric capacity C1；The
One end of one resistance R1 is connected with one end of the first electric capacity C1；The negative electrode of the first stabilivolt ZD1 is respectively with the first resistance R1's
The other end is connected with primary nodal point, and the anode of the first stabilivolt and the other end of the second electric capacity C2 are connected；Second resistance R2's
One end is connected with one end of the first resistance R1；One end of 3rd electric capacity C3 is connected with the other end of the second resistance R2, the 3rd electricity
The other end holding C3 is connected with primary nodal point；One end of 4th electric capacity C4 is connected with primary nodal point, another of the 4th electric capacity C4
End ground connection；One end of 3rd resistance R3 is connected with the other end of the 4th electric capacity C4, the other end of the 3rd resistance R3 and first steady
The anode of pressure pipe ZD1 is connected；The negative electrode of the second stabilivolt ZD2 and one end of the 3rd electric capacity C3 are connected, the second stabilivolt ZD1
Anode and the other end of the 3rd electric capacity C3 be connected, the negative electrode of the second stabilivolt ZD2 as the outfan of output unit with corresponding
Signal modulation module feeder ear be connected.
Specifically, the first output unit P1 to the 6th output unit P6 is electric to six tunnels second of voltage transformation unit T output respectively
Pressure V2 carries out rectification, filtering, voltage stabilizing process, to export the confession to the first to the 6th signal modulation module of the identical voltage in six tunnels
Electricity end VCC1 to VCC6, thus for providing the first to the 6th signal modulation module six tunnel separate supply voltage.
According to an embodiment of the present utility model, as shown in Figure 4, each signal modulation module include driver element 51 and
The light-coupled isolation unit 52 being connected between driver element 51 and corresponding signal receiving end, light-coupled isolation unit 52 will drive
Unit 51 is isolated with signal receiving end, thus prevents from electrically connecting the interference caused.
Specifically, as shown in Figure 4, the light-coupled isolation unit 52 of each signal modulation module includes light-coupled isolation chip, optocoupler
The power pins 8 of the isolating chip outfan corresponding with switch power module 4 is connected.Wherein, with the first signal modulation mould
As a example by block N1, light-coupled isolation unit 52 include the power pins 8 of light-coupled isolation chip U-1, light-coupled isolation chip U-1 with
Outfan corresponding in switch power module 4 is connected and i.e. says, the outfan of the first output unit P1 and the first signal modulation module
In N1, the power pins 8 of light-coupled isolation chip U-1 is connected, and thinks that the light-coupled isolation chip U-1 of correspondence powers.
According to a concrete example of the present utility model, light-coupled isolation chip can be photoelectric coupling chip TLP350X6.
More specifically, as shown in Figure 4, the driver element 51 of each signal modulation module includes: the 4th resistance R4, the one or three
Pole pipe Q1, the second audion Q2, the 5th resistance R5, the 6th resistance R6 and the second diode D2.
Wherein, one end of the 4th resistance R4 is connected with the output pin 6 of light-coupled isolation chip；The current collection of the first audion Q1
The pole outfan corresponding with switch power module 4 is connected, the base stage of the first audion Q1 and the other end of the 4th resistance R4
It is connected；The colelctor electrode of the second audion Q2 and ground connection, the base stage of the second audion Q2 is connected with the other end of the 4th resistance R4；
One end of 5th resistance R5 is connected with the emitter stage of the first audion Q1；One end of 6th resistance R6 is with the 5th resistance R5's
The other end is connected, and has secondary nodal point, secondary nodal point and corresponding power switch between the 6th resistance R6 and the 5th resistance R5
Unit is connected；The anode of the second diode D2 and the other end of the 6th resistance R6 are connected, the negative electrode of the second diode D2 and the
The emitter stage of two audion Q2 is connected.
As a example by the first signal modulation module N1, one end of the 4th resistance R4 and the output pin 6 of light-coupled isolation chip U-1
It is connected；The colelctor electrode of the first audion Q1 and the outfan of the first output unit P1 are connected, so that switch power module 4 leads to
Cross the driver element 51 that the first output unit P1 is the first signal modulation module N1 to power；Secondary nodal point and the first power switch
Unit M1 is connected.In an example of the present utility model, the first audion Q1 can be NPN pipe, and the second audion Q2 can
For PNP pipe.
It should be appreciated that as shown in Figure 4, in the first signal modulation module N1 to the 6th signal modulation module N6 optocoupler every
The most essentially identical from unit 52 and the circuit structure of driver element 51, operation principle etc..Further, as shown in Figure 4,
In first signal modulation module N1, first input pin 1 of light-coupled isolation chip U-1 is connected with the first signal receiving end A1,
In first signal modulation module N1, the second input pin 2 of light-coupled isolation chip is connected with secondary signal receiving terminal A2；Second
In signal modulation module N2, first input pin 1 of light-coupled isolation chip U-2 is connected with secondary signal receiving terminal A2, and second
In signal modulation module N2, second input pin 2 of light-coupled isolation chip U-2 is connected with the first signal receiving end A1；3rd
In signal modulation module N3, first input pin 1 of light-coupled isolation chip U-3 is connected with the 3rd signal receiving end A3, and the 3rd
In signal modulation module N3, second input pin 2 of light-coupled isolation chip U-3 is connected with the 4th signal receiving end A4；4th
In signal modulation module N4, first input pin 1 of light-coupled isolation chip U-4 is connected with the 4th signal receiving end A4, and the 4th
In signal modulation module N4, second input pin 2 of light-coupled isolation chip U-4 is connected with the 3rd signal receiving end A3；5th
In signal modulation module N5, first input pin 1 of light-coupled isolation chip U-5 is connected with the 5th signal receiving end A5, and the 5th
In signal modulation module N5, second input pin 2 of light-coupled isolation chip U-5 is connected with the 6th signal receiving end A6；6th
In signal modulation module N6, first input pin 1 of light-coupled isolation chip U-6 is connected with the 6th signal receiving end A6, and the 6th
In signal modulation module N6, second input pin 2 of light-coupled isolation chip U-6 is connected with the 5th signal receiving end A5.
Specifically, as a example by light-coupled isolation chip U-1, control signal PWM1 signal is defeated by the first signal receiving end A1
Entering first input pin 1 of light-coupled isolation chip U-1, control signal PWM2 signal is inputted by secondary signal receiving terminal A2
Second input pin 2 of light-coupled isolation chip U-1, the magnitude of voltage of PWM1 signal is believed by light-coupled isolation chip U-1 with PWM2
Number magnitude of voltage compare, if the magnitude of voltage of PWM1 signal is more than the magnitude of voltage of PWM2 signal, then light-coupled isolation chip
The output pin 6 of U-1 exports high level；If the magnitude of voltage of PWM2 signal is more than the magnitude of voltage of PWM1 signal, then optocoupler
Output pin 6 output low level of isolating chip U-1.
Further, as shown in Figure 4, between the first signal receiving end A1 and secondary signal receiving terminal A2, there is the 7th resistance
R7, to suppress the differential mode interference between the first signal receiving end A1 and secondary signal receiving terminal A2；3rd signal receiving end A3
And between the 4th signal receiving end A4, there is the 8th resistance R8, to suppress the 3rd signal receiving end A3 and the 4th signal receiving end
Differential mode interference between A4；Between 5th signal receiving end A5 and the 6th signal receiving end A6, there is the 9th resistance R9, to press down
Make the differential mode interference between the 5th signal receiving end A5 and the 6th signal receiving end A6.
So, each light-coupled isolation chip can receive stable control signal, and according to the control signal output received
Corresponding low and high level, to control the break-make of corresponding power switch unit.
Specifically, when light-coupled isolation chip U-1 exports high level, the first audion Q1 is open-minded, the second audion Q2
Turning off, the outfan of the first signal modulation module N1 is connected with feeder ear VCC1, the i.e. first signal modulation module N1 output height
Level；When light-coupled isolation chip U-1 output low level, the first audion Q1 turns off, and the second audion Q2 is open-minded, the
The outfan of one signal modulation module N1 is connected with earth terminal GND1, the i.e. first signal modulation module N1 output low level.By
This, the pwm control signal PWM_H1 after the driver element 51 output amplification of the first signal modulation module N1, to drive first
Power switch unit M1 is switched on or off.
In like manner, the pwm control signal PWM_H2 after the driver element 51 output amplification of secondary signal modulation module N2, to drive
Dynamic second power switch unit M2 is switched on or off；After driver element 51 output of the 3rd signal modulation module N3 is amplified
Pwm control signal PWM_H3, to drive being switched on or off of the 3rd power switch unit M3；4th signal modulation module N4
Driver element 51 output amplify after pwm control signal PWM_H4, with drive the 4th power switch unit M4 open or
Turn off；Driver element 51 output of the 5th signal modulation module N5 amplify after pwm control signal PWM_H5, to drive the
Five power switch unit M5 are switched on or off；PWM after the driver element 51 output amplification of the 6th signal modulation module N6
Control signal PWM_H6, to drive being switched on or off of the 6th power switch unit M6.Motor is controlled thus, it is possible to independent
The electric current of each phase and voltage, to drive motor rotation, and by light-coupled isolation chip, it is also possible to prevent driver element it
Between influence each other.
According to an embodiment of the present utility model, as it is shown in figure 5, the first power switch unit M1 includes the first metal-oxide-semiconductor
MOSFET1, the drain electrode of the first metal-oxide-semiconductor MOSFET1 is connected with default power vd D, and the grid of the first metal-oxide-semiconductor MOSFET1 leads to
The driver element 51 crossed in the tenth resistance R10 and the first signal modulation module N1 is connected；Second power switch unit M2 includes
The drain electrode of the second metal-oxide-semiconductor MOSFET2, the second metal-oxide-semiconductor MOSFET2 is connected with the source electrode of the first metal-oxide-semiconductor MOSFET1, the
The grid of two metal-oxide-semiconductor MOSFET2 passes through the 11st resistance R11 and driver element 51 phase in secondary signal modulation module N2
Even, the source ground of the second metal-oxide-semiconductor MOSFET2, have between the second metal-oxide-semiconductor MOSFET2 and the first metal-oxide-semiconductor MOSFET1
The 3rd node, the 3rd node is had to be connected with the U phase terminal of motor；3rd power switch unit M3 includes the 3rd metal-oxide-semiconductor
MOSFET3, the drain electrode of the 3rd metal-oxide-semiconductor MOSFET3 is connected with default power vd D, and the grid of the 3rd metal-oxide-semiconductor MOSFET3 leads to
The driver element 51 crossed in the 12nd resistance R12 and the 3rd signal modulation module is connected；4th power switch unit M4 includes
The drain electrode of the 4th metal-oxide-semiconductor MOSFET4, the 4th metal-oxide-semiconductor MOSFET4 is connected with the source electrode of the 3rd metal-oxide-semiconductor MOSFET3, the
The grid of four metal-oxide-semiconductor MOSFET4 is connected by the driver element 51 in the 13rd resistance R13 and the 4th signal modulation module,
The source ground of the 4th metal-oxide-semiconductor MOSFET4, has between the 4th metal-oxide-semiconductor MOSFET4 and the 3rd metal-oxide-semiconductor MOSFET3
Four nodes, fourth node is connected with the V phase terminal of motor；
5th power switch unit M5 includes the 5th metal-oxide-semiconductor MOSFET5, the drain electrode of the 5th metal-oxide-semiconductor MOSFET5 and default electricity
Source VDD is connected, and the grid of the 5th metal-oxide-semiconductor MOSFET5 is by driving in the 14th resistance R14 and the 5th signal modulation module
Moving cell 51 is connected；6th power switch unit M6 includes the 6th metal-oxide-semiconductor MOSFET6, the 6th metal-oxide-semiconductor MOSFET6's
Drain electrode is connected with the source electrode of the 5th metal-oxide-semiconductor MOSFET5, and the grid of the 6th metal-oxide-semiconductor MOSFET6 passes through the 15th resistance R15
It is connected with the driver element 51 in the 6th signal modulation module, the source ground of the 6th metal-oxide-semiconductor MOSFET6, the 6th metal-oxide-semiconductor
Having the 5th node between MOSFET6 and the 5th metal-oxide-semiconductor MOSFET5, the 5th node is connected with the W phase terminal of motor.
Specifically, the pwm control signal PWM_H1 after the driver element 51 output amplification of the first signal modulation module N1,
Pwm control signal PWM_H2 after the driver element 51 output amplification of secondary signal modulation module N2, and PWM_H1 letter
Number contrary with the waveform of PWM_H2 signal.When PWM_H1 signal is high level and PWM_H2 signal is low level, first
Metal-oxide-semiconductor MOSFET1 is open-minded, and the second metal-oxide-semiconductor MOSFET2 turns off, and the U phase terminal of motor receives high level；Work as PWM_H1
Signal is low level and time PWM_H2 signal is high level, and the first metal-oxide-semiconductor MOSFET1 turns off, the second metal-oxide-semiconductor MOSFET2
Open-minded, the U phase terminal of motor receives low level.
In like manner, the pwm control signal PWM_H3 and the 4th after driver element 51 output of the 3rd signal modulation module N3 is amplified
Signal modulation module N4 driver element 51 output amplify after pwm control signal PWM_H4, and PWM_H3 signal with
The waveform of PWM_H4 signal is contrary, controls the 3rd metal-oxide-semiconductor MOSFET3 and the 4th metal-oxide-semiconductor by PWM_H3 Yu PWM_H4
The break-make of MOSFET4, since adjust the level signal that the V phase terminal of motor receives；5th signal modulation module N5 drives
Pwm signal PWM_H5 and driver element 51 output of the 6th signal modulation module N6 after moving cell 51 output amplification are amplified
After pwm signal PWM_H6, and PWM_H5 signal is contrary with the waveform of PWM_H6 signal, by PWM_H5 and PWM_H6
Control the 5th metal-oxide-semiconductor MOSFET5 and the break-make of the 6th metal-oxide-semiconductor MOSFET6, to adjust what the W phase terminal of motor received
Voltage.
Wherein, all can be by same dynamic according to an embodiment of the present utility model, DC source BATT and default power vd D
Power battery provides, and DC source BATT is isolated by the circuit shown in Fig. 6 with default power vd D.
As it has been described above, the specific works process of the drive circuit of the electric machine controller of this utility model embodiment is as follows:
The first voltage V1 of DC source BATT is converted to six the second separate voltage V2 by switch power module 4,
Bing Dui six road voltage signal is filtered, rectification, voltage stabilizing process, think that the first signal modulation module N1 to the 6th signal is modulated
Module N6 provides six separate supply voltages, and the first signal modulation module N1 to the 6th signal modulation module N6
It is amplified the six tunnel control signal PWM1 to PWM6 received exporting the pwm control signal that six tunnels are amplified respectively
PWM_H1 to PWM_H6, to drive corresponding power switch unit to be switched on or off, thus drives motor rotation.
It should be noted that electric current and the voltage of each phase of motor can be regulated by the dutycycle of regulation pwm control signal.
To sum up, according to the drive circuit of the electric machine controller that this utility model embodiment proposes, will be straight by switch power module
The first voltage that stream power supply provides is converted to six the second separate voltages and is supplied to the first to the 6th signal modulation with correspondence
Module, and the first to the 6th signal modulation module is open-minded according to the power switch unit that the control signal driving received is corresponding
Or turn off, thus each signal modulation module is powered by independent current source, prevents power supply disturbance, can independently control motor every
One phase, and type of drive more safe and convenient, enable motor steadily, rotate efficiently.
This utility model also proposed a kind of vehicle, including the drive circuit of the electric machine controller of above-described embodiment.
To sum up, the vehicle proposed according to this utility model embodiment, by the drive circuit of above-mentioned electric machine controller, each
Signal modulation module is all powered by independent current source, prevents power supply disturbance, can independently control each phase of motor, and the side of driving
Formula more safe and convenient, enables motor steadily, rotate efficiently.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end "
The orientation of the instruction such as " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " or position relationship
For based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And,
Fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature
Or oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term
Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature
Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (10)
1. the drive circuit of an electric machine controller, it is characterised in that described electric machine controller includes power switching modules, institute
Stating power switching modules and have the first to the 6th power switch unit, described drive circuit includes:
First to the 6th signal receiving end, described first to the 6th signal receiving end correspondence receives six tunnel control signals；
First to the 6th signal modulation module, each signal modulation module in described first to the 6th signal modulation module defeated
Enter end connected with corresponding signal receiving end, each signal modulation module in described first to the 6th signal modulation module defeated
Going out end to be connected with corresponding power switch unit, described each signal modulation module drives correspondence according to the control signal received
Power switch unit be switched on or off；And
Switch power module, the input of described switch power module is connected with DC source, and described switch power module has
Six outfans, six outfans of described switch power module respectively with the power supply of described first to the 6th signal modulation module
End correspondence is connected, described switch power module for the first voltage that described DC source is provided be converted to six separate
The second voltage be supplied to described first to the 6th signal modulation module with correspondence.
The drive circuit of electric machine controller the most according to claim 1, it is characterised in that described switch power module bag
Include:
Power conversion unit, the input of described power conversion unit is connected with described DC source, with by described first voltage
Be converted to tertiary voltage；
First to the 6th output unit, the outfan of each output circuit in described first to the 6th output unit is with corresponding
The feeder ear of signal modulation module is connected；
Voltage transformation unit, described voltage transformation unit has main coil, the first to the 6th secondary coil and feedback coil, described main coil
It is connected with the outfan of described power conversion unit, described first to the 6th secondary coil and the input of the first to the 6th output unit
End correspondence is connected, and described feedback coil is connected with the feedback end of described power conversion unit, and described voltage transformation unit is for by described
Tertiary voltage is transformed to described six the second separate voltages to supply institute by described first to the 6th output unit correspondence
State the feeder ear of the first to the 6th signal modulation module.
The drive circuit of electric machine controller the most according to claim 2, it is characterised in that each output unit includes:
First diode, the anode of described first diode is connected with one end of corresponding secondary coil；
First electric capacity, one end of described first electric capacity is connected with the negative electrode of described first diode；
Second electric capacity, one end of described second electric capacity is connected with the other end of described first electric capacity, another of described second electric capacity
Hold the other end with corresponding secondary coil to be connected, between described second electric capacity and described first electric capacity, there is primary nodal point；
First resistance, one end of described first resistance is connected with one end of described first electric capacity；
First stabilivolt, the negative electrode of described first stabilivolt respectively with the other end of described first resistance and described primary nodal point phase
Even, the anode of described first stabilivolt is connected with the other end of described second electric capacity；
Second resistance, one end of described second resistance is connected with one end of described first resistance；
3rd electric capacity, one end of described 3rd electric capacity is connected with the other end of described second resistance, another of described 3rd electric capacity
End is connected with described primary nodal point；
4th electric capacity, one end of described 4th electric capacity is connected with described primary nodal point, the other end ground connection of described 4th electric capacity；
3rd resistance, one end of described 3rd resistance is connected with the other end of described 4th electric capacity, another of described 3rd resistance
End is connected with the anode of described first stabilivolt；
Second stabilivolt, the negative electrode of described second stabilivolt is connected with one end of described 3rd electric capacity, described second stabilivolt
Anode is connected with the other end of described 3rd electric capacity, the negative electrode of described second stabilivolt as described output unit outfan with
The feeder ear of corresponding signal modulation module is connected.
4. according to the drive circuit of the electric machine controller according to any one of claim 1-3, it is characterised in that each signal
Modulation module includes driver element and the light-coupled isolation list being connected between described driver element and corresponding signal receiving end
Unit, described driver element is isolated by described light-coupled isolation unit with described signal receiving end.
The drive circuit of electric machine controller the most according to claim 4, it is characterised in that described light-coupled isolation unit bag
Including light-coupled isolation chip, the power pins of the described light-coupled isolation chip outfan corresponding with described switch power module is connected.
The drive circuit of electric machine controller the most according to claim 5, it is characterised in that described driver element includes:
4th resistance, one end of described 4th resistance is connected with the output pin of described light-coupled isolation chip；
First audion, the outfan that the colelctor electrode of described first audion is corresponding with described switch power module is connected, institute
The other end of the base stage and described 4th resistance of stating the first audion is connected；
Second audion, the colelctor electrode of described second audion and ground connection, the base stage of described second audion and described 4th electricity
The other end of resistance is connected；
5th resistance, one end of described 5th resistance is connected with the emitter stage of described first audion；
6th resistance, one end of described 6th resistance is connected with the other end of described 5th resistance, and described 6th resistance is with described
Having secondary nodal point between 5th resistance, described secondary nodal point is connected with corresponding power switch unit；
Second diode, the anode of described second diode is connected with the other end of described 6th resistance, described second diode
Negative electrode be connected with the emitter stage of described second audion.
The drive circuit of electric machine controller the most according to claim 6, it is characterised in that wherein, described first signal
In modulation module, the first input pin of light-coupled isolation chip is connected with described first signal receiving end, described first signal modulation
In module, the second input pin of light-coupled isolation chip is connected with described secondary signal receiving terminal；
In described secondary signal modulation module, the first input pin of light-coupled isolation chip is connected with described secondary signal receiving terminal,
In described secondary signal modulation module, the second input pin of light-coupled isolation chip is connected with described first signal receiving end；
In described 3rd signal modulation module, the first input pin of light-coupled isolation chip is connected with described 3rd signal receiving end,
In described 3rd signal modulation module, the second input pin of light-coupled isolation chip is connected with described 4th signal receiving end；
In described 4th signal modulation module, the first input pin of light-coupled isolation chip is connected with described 4th signal receiving end,
In described 4th signal modulation module, the second input pin of light-coupled isolation chip is connected with described 3rd signal receiving end；
In described 5th signal modulation module, the first input pin of light-coupled isolation chip is connected with described 5th signal receiving end,
In described 5th signal modulation module, the second input pin of light-coupled isolation chip is connected with described 6th signal receiving end；
In described 6th signal modulation module, the first input pin of light-coupled isolation chip is connected with described 6th signal receiving end,
In described 6th signal modulation module, the second input pin of light-coupled isolation chip is connected with described 5th signal receiving end.
The drive circuit of electric machine controller the most according to claim 7, it is characterised in that
Between described first signal receiving end and described secondary signal receiving terminal, there is the 7th resistance, to suppress described first signal
Differential mode interference between receiving terminal and described secondary signal receiving terminal；
Between described 3rd signal receiving end and described 4th signal receiving end, there is the 8th resistance, to suppress described 3rd signal
Differential mode interference between receiving terminal and described 4th signal receiving end；
Between described 5th signal receiving end and described 6th signal receiving end, there is the 9th resistance, to suppress described 5th signal
Differential mode interference between receiving terminal and described 6th signal receiving end.
The drive circuit of electric machine controller the most according to claim 7, it is characterised in that wherein,
Described first power switch unit includes that the first metal-oxide-semiconductor, the drain electrode of described first metal-oxide-semiconductor are connected with default power supply, institute
The grid stating the first metal-oxide-semiconductor is connected with the driver element in described first signal modulation module by the tenth resistance；
Described second power switch unit includes the second metal-oxide-semiconductor, the drain electrode of described second metal-oxide-semiconductor and described first metal-oxide-semiconductor
Source electrode is connected, and the grid of described second metal-oxide-semiconductor is by the 11st resistance and the driver element in described secondary signal modulation module
It is connected, the source ground of described second metal-oxide-semiconductor, between described second metal-oxide-semiconductor and described first metal-oxide-semiconductor, there is the 3rd node,
Described 3rd node is connected with the U phase terminal of described motor；
Described 3rd power switch unit includes that the 3rd metal-oxide-semiconductor, the drain electrode of described 3rd metal-oxide-semiconductor are connected with described default power supply,
The grid of described 3rd metal-oxide-semiconductor is connected with the driver element in described 3rd signal modulation module by the 12nd resistance；
Described 4th power switch unit includes the 4th metal-oxide-semiconductor, the drain electrode of described 4th metal-oxide-semiconductor and described 3rd metal-oxide-semiconductor
Source electrode is connected, and the grid of described 4th metal-oxide-semiconductor is by the 13rd resistance and the driver element in described 4th signal modulation module
It is connected, the source ground of described 4th metal-oxide-semiconductor, between described 4th metal-oxide-semiconductor and described 3rd metal-oxide-semiconductor, there is fourth node,
Described fourth node is connected with the V phase terminal of described motor；
Described 5th power switch unit includes that the 5th metal-oxide-semiconductor, the drain electrode of described 5th metal-oxide-semiconductor are connected with described default power supply,
The grid of described 5th metal-oxide-semiconductor is connected with the driver element in described 5th signal modulation module by the 14th resistance；
Described 6th power switch unit includes the 6th metal-oxide-semiconductor, the drain electrode of described 6th metal-oxide-semiconductor and described 5th metal-oxide-semiconductor
Source electrode is connected, and the grid of described 6th metal-oxide-semiconductor is by the 15th resistance and the driver element in described 6th signal modulation module
It is connected, the source ground of described 6th metal-oxide-semiconductor, between described 6th metal-oxide-semiconductor and described 5th metal-oxide-semiconductor, there is the 5th node,
Described 5th node is connected with the W phase terminal of described motor.
10. a vehicle, it is characterised in that include driving according to the electric machine controller according to any one of claim 1-9
Galvanic electricity road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273495.XU CN205647327U (en) | 2016-03-31 | 2016-03-31 | Machine controller's drive circuit and have its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273495.XU CN205647327U (en) | 2016-03-31 | 2016-03-31 | Machine controller's drive circuit and have its vehicle |
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| Publication Number | Publication Date |
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| CN205647327U true CN205647327U (en) | 2016-10-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418404A (en) * | 2018-03-29 | 2018-08-17 | 深圳茂硕电子科技有限公司 | It is a kind of to enter the controllable circuit of interval point and its method |
| CN111338244A (en) * | 2020-02-26 | 2020-06-26 | 佛山市斯特美光电科技有限公司 | Power signal processing circuit and power utilization system |
| WO2024113178A1 (en) * | 2022-11-29 | 2024-06-06 | Siemens Aktiengesellschaft | Driving apparatus for sic-mosfet device |
-
2016
- 2016-03-31 CN CN201620273495.XU patent/CN205647327U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418404A (en) * | 2018-03-29 | 2018-08-17 | 深圳茂硕电子科技有限公司 | It is a kind of to enter the controllable circuit of interval point and its method |
| CN108418404B (en) * | 2018-03-29 | 2024-01-30 | 深圳茂硕电子科技有限公司 | Circuit capable of controlling intermittent point entering and method thereof |
| CN111338244A (en) * | 2020-02-26 | 2020-06-26 | 佛山市斯特美光电科技有限公司 | Power signal processing circuit and power utilization system |
| WO2024113178A1 (en) * | 2022-11-29 | 2024-06-06 | Siemens Aktiengesellschaft | Driving apparatus for sic-mosfet device |
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