CN209642586U - Motor control unit, electric machine and vehicle - Google Patents
Motor control unit, electric machine and vehicle Download PDFInfo
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- CN209642586U CN209642586U CN201920662885.XU CN201920662885U CN209642586U CN 209642586 U CN209642586 U CN 209642586U CN 201920662885 U CN201920662885 U CN 201920662885U CN 209642586 U CN209642586 U CN 209642586U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
This application discloses a kind of motor control unit, electric machine and vehicle, which includes: processor, the control signal for output pulse width modulation (PWM) signal and the pwm signal；Enable signal control module, wherein at least two input terminals of the enable signal control module are connect at least two control signal outputs of the processor respectively；Output buffer, wherein, the control terminal of the output buffer is connect with the output end of the enable signal control module, the pwm signal input terminal of the output buffer is connect with the pwm signal output end of the processor, and the output end of the output buffer is for exporting the pwm signal to power switch tube drives circuit.By motor control unit provided by the present application, can reduce because single control signal failure leads to the probability that cannot turn off pwm signal, and then improve the safety of vehicle driving.
Description
Technical field
This application involves vehicular field more particularly to a kind of motor control units, electric machine and vehicle.
Background technique
The motor control unit of electric car, by the way that the direct current of high tension battery is converted to motor in electric automobile (such as
Driving motor) needed for three-phase alternating current, realize to the torque of motor, speed and the control of direction of rotation, thus for vehicle
Safe operation has vital effect.And PWM (Pulse Width Modulation, pulse width modulation) signal be by
Direct current is converted to the key control signal of three-phase alternating current, once the case where pwm signal appearance can not turn off in time, will lead to
Vehicle power exports uncontrollable, even can cause vehicle interruption of service when serious, threaten the personal safety of driver and passenger, because
This controls the output of pwm signal, especially pwm signal shutdown control, becomes the key link for vehicle safety operation.
As it can be seen that existing in the prior art because vehicle power exports the uncontrollable problem for causing travel safety lower.
Utility model content
The embodiment of the present application provides a kind of motor control unit, electric machine and vehicle, to solve to export because of vehicle power
The uncontrollable problem for causing travel safety lower.
In a first aspect, this application provides a kind of motor control unit, which includes:
Processor, including pwm signal output end and at least two control signal outputs；
Enable signal control module, wherein at least two input terminals of the enable signal control module respectively with it is described
At least two control signal outputs of processor connect；
Output buffer, wherein the output end of the control terminal of the output buffer and the enable signal control module
Connection, the pwm signal input terminal of the output buffer are connect with the pwm signal output end of the processor.
Optionally, the response time of the enable signal control module is less than or equal to the first preset duration, wherein described
First preset duration was in for 10 nanoseconds between 100 nanoseconds.
Optionally, the output buffer is the effective buffer of low level, and the enable signal control module is or door.
Optionally, the output buffer is the effective buffer of high level, and the enable signal control module is and door.
Optionally, further includes:
Programmable logic device, wherein the pwm signal output end of the processor via the programmable logic device with
The pwm signal input terminal of the output buffer connects, at least two control signal outputs of the processor at least
One control signal output, via at least two inputs of the programmable logic device and the enable signal control module
At least one input terminal connection in end.
Optionally, the pwm signal output end of the programmable logic device is via pwm signal control module and the output
The pwm signal input terminal of buffer connects, wherein the first input end connection of the pwm signal control module is described programmable
The pwm signal output end of logical device, the second input terminal of the pwm signal control module connect the PWM letter of the processor
Number output end, the output end of the pwm signal control module connect the pwm signal input terminal of the output buffer.
Optionally, the pwm signal control module is or door.
Optionally, the response time of the programmable logic device is less than or equal to the second preset duration, wherein described the
Two preset durations were in for 10 nanoseconds between 100 nanoseconds.
Second aspect, the embodiment of the present application also provide a kind of electric machine, which includes motor, power supply,
And above-mentioned motor control unit；
The power supply is electrically connected with the motor and the motor control unit respectively, the motor control unit
Power switch tube drives circuit is connect with the motor control.
Optionally, the motor is driving motor.
The third aspect, the embodiment of the present application also provide a kind of vehicle, which includes above-mentioned motor control unit, or
Above-mentioned electric machine.
Motor control unit provided by the embodiments of the present application includes following circuit structure: processor, including PWM signal is defeated
Outlet and at least two control signal outputs；Enable signal control module, wherein the enable signal control module is at least
Two input terminals are connect at least two control signal outputs of the processor respectively；The output buffer, wherein institute
The control terminal for stating output buffer is connect with the output end of the enable signal control module, the PWM letter of the output buffer
Number input terminal is connect with the pwm signal output end of the processor.Since enable signal control module can be defeated based on processor
Multi-way control signals out control pwm signal, so as to reduce because single control signal failure leads to that pwm signal cannot be turned off
Probability, and then improve vehicle driving safety.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to required in the embodiment of the present application description
Attached drawing to be used is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of motor control unit provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram for the motor control unit that the another embodiment of the application provides；
Fig. 3 is the structural schematic diagram for the motor control unit that the another embodiment of the application provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is some embodiments of the present application, instead of all the embodiments.Based on this Shen
Please in embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of motor control unit.It is motor provided by the embodiments of the present application referring to Fig. 1, Fig. 1
The structural schematic diagram of control unit, as shown in Figure 1, motor control unit 1 include: processor 10, enable signal control module 20,
Output buffer 30 and power switch tube drives circuit 40, in which:
Processor 10, including pwm signal output end and at least two control signal outputs；
Enable signal control module 20, wherein at least two input terminals of the enable signal control module respectively with institute
State at least two control signal outputs connection of processor；
Output buffer 30, wherein the output of the control terminal of the output buffer and the enable signal control module
End connection, the pwm signal input terminal of the output buffer are connect with the pwm signal output end of the processor.
In the embodiment of the present application, (Pulse Width Modulation, pulse are wide for exporting PWM for above-mentioned processor 10
Degree modulation) signal and pwm signal control signal.Wherein, above-mentioned pwm signal can be the PWM letter for driving motor control
Number.The control signal of above-mentioned pwm signal can be used for controlling shutdown pwm signal, or control output pwm signal, specifically, on
At least two path control signal can be exported by stating processor 10, for example, output two-way is for turning off when needing to turn off pwm signal
The control signal of pwm signal.It should be noted that above-mentioned processor 10 can also be used to execute other function, the embodiment of the present application
It does not limit this.
Above-mentioned enable signal control module 20 is used to export based on 10 at least two control signal output of processor
At least two path control signal, determine the control signal of output buffer 30.Specifically, above-mentioned enable signal control module 20 can
To be logical device, for example, with door or door, programmable logic array (Programmable Logic Array, referred to as
PLA) or programmable logic device (Programmable Logic Device, referred to as PLD) etc., above-mentioned processing can be based on
The two path control signal that device 10 exports carries out logical operation, to obtain the control letter of the control terminal of input to output buffer 30
Number.
Above-mentioned output buffer 30 can be the effective output buffer of low level, namely in control terminal input low level
In the case of work, output pwm signal, in the case where control terminal input high level, forbid PWM signal export；It can also high electricity
Effective output buffer is put down, namely is worked in the case where control terminal input high level, output pwm signal is defeated in control terminal
Enter in low level situation, pwm signal is forbidden to export.Specifically, the output end of above-mentioned output buffer 30 can be used for institute
Pwm signal is stated to export to power switch tube drives circuit 40.
Above-mentioned power switch tube can be configured according to actual needs, for example, it may be IGBT (Insulated Gate
Bipolar Transistor, insulated gate bipolar transistor).Above-mentioned power switch tube drives circuit 40 is used for driving power
Switching tube.
Below by taking output buffer 30 is the effective output buffer of low level as an example, the embodiment of the present application is said
It is bright:
Processor 10 determine need output pwm signal in the case where, control signal end mouth A (namely Fig. 1 institute can be passed through
The port I/OA shown) and control signal end mouth B (namely port I/OB shown in FIG. 1) output low level signal, enable signal control
The two-way low level signal that molding block 20 is inputted based on control signal end mouth A and control signal end mouth B, export low level signal to
The control terminal (namely shown in FIG. 1/port OE) of output buffer 30, output buffer 30 work, and output pwm signal is to power
Switch tube driving circuit 40 further controls driving motor, output power so as to driving power switching tube.
Processor 10 can pass through control signal end mouth A and control signal in the case where determination needs to turn off pwm signal
Port B exports high level signal, and enable signal control module 20 is inputted based on control signal end mouth A and control signal end mouth B
Two-way high level signal exports high level signal to the control terminal of output buffer 30, and output buffer 30 is forbidden exporting PWM letter
Number give power switch tube drives circuit 40, so as to cut off the power output of driving motor.
Processor 10 is in the case where determination needs to turn off pwm signal, if control signal end mouth A or control signal end mouth B
It breaks down, exports low level signal, then the control signal that enable signal control module 20 can be inputted in processor 10 exists
In the case where high level signal, high level signal is exported to the control terminal of output buffer 30, output buffer 30 is forbidden exporting
Pwm signal is to power switch tube drives circuit 40, so as to cut off the power output of driving motor.So as to certain all the way
In the case where controlling Signal Fail, pwm signal can also be turned off immediately, cuts off the power output of driving motor, improve driving peace
Quan Xing.
Motor control unit provided by the embodiments of the present application, since enable signal control module can be exported based on processor
Multi-way control signals control pwm signal, so as to reduce because single control signal failure lead to that pwm signal cannot be turned off
Probability, and then improve the safety of vehicle driving.
Optionally, the response time of the enable signal control module 20 is less than or equal to the first preset duration, wherein institute
It states the first preset duration and was in for 10 nanoseconds between 100 nanoseconds.
The embodiment of the present application is less than or equal to the enable signal control module of the first preset duration by the Response to selection time,
The speed that shutdown pwm signal can be improved, further increases the safety of vehicle driving.
Optionally, the output buffer 30 is the effective buffer of low level, and the enable signal control module 20 is
Or door.
In the embodiment of the present application, in the case where output buffer buffer effective for low level, enable signal
Control module can be or door that can carry out to the multi-way control signals that processor exports or operation, thus simply by the presence of all the way
Control signal is that high level signal can export high level signal to output buffer, to turn off pwm signal.
In the embodiment of the present application, enable signal control module is or door that not only response speed is very fast, and circuit structure letter
It is single, cost can be reduced.
Optionally, the output buffer 30 is the effective buffer of high level, and the enable signal control module 20 is
With door.
In the embodiment of the present application, in the case where output buffer buffer effective for high level, enable signal
Control module be with door, can to processor export multi-way control signals carry out and operation, thus simply by the presence of controlling all the way
Signal is that low level signal can export low level signal to output buffer, to turn off pwm signal.
In the embodiment of the present application, enable signal control module be with door, not only response speed is very fast, and circuit structure letter
It is single, cost can be reduced.
Optionally, as shown in Fig. 2, motor control unit 1 further include:
Programmable logic device 50, wherein the pwm signal output end of the processor 10 is via the programmable logic device
Part 50 is connect with the pwm signal input terminal of the output buffer 30, at least two control signal outputs of the processor 10
At least one control signal output in end, via the programmable logic device 50 and the enable signal control module 20
At least two input terminals at least one input terminal connection.
In the embodiment of the present application, above-mentioned programmable logic device 50 can be Complex Programmable Logic Devices ((Complex
Programmable Logic Device, referred to as CPLD) or field programmable gate array (Field Programmable
Gate Array, referred to as FPGA) etc..
For example, with reference to Fig. 2, the pwm signal output port of processor 10 and the pwm signal of programmable logic device 50 are defeated
Inbound port connection, the control signal output mouth A of processor 10 and programmable logic device 50 control signal end mouth a (namely
The port I/Oa) connection, the control signal output mouth B of processor 10 and the first input end of enable signal control module 20 connect
It connects, the second of the control signal end mouth b (namely the port I/Ob) of programmable logic device 50 and enable signal control module 20 is defeated
Enter end connection, the pwm signal output end of programmable logic device 50 is connect with the pwm signal input terminal of output buffer 30.
It should be noted that above-mentioned programmable logic device 50 can it is some in emergency circumstances, for example, detecting
Stream, three-phase shortcircuit, collision etc. export the control signal for turning off pwm signal, to turn off PWM signal.For example, with reference to Fig. 2,
Programmable logic device 50 is exported in the case where receiving over-current signal by control signal end mouth b (namely the port I/Oa)
For turning off the control signal of pwm signal to enable signal control module 20.Due to programmable logic device response time compared with
It is short, it is thus possible to improve the speed of shutdown PWM signal.
The embodiment of the present application can in emergency circumstances be exported some for turning off by setting programmable logic device
The control signal of pwm signal further increases the safety of driving to rapidly switch off pwm signal.
Optionally, as shown in figure 3, the pwm signal output end of the programmable logic device 50 is controlled via PWM signal
Module 60 is connect with the pwm signal input terminal of the output buffer 30, wherein the first of the PWM signal control module 60
Input terminal connects the pwm signal output end of the programmable logic device 50, the second input of the pwm signal control module 60
End connects the pwm signal output end of the processor 10, and the output end connection output of the pwm signal control module 60 is slow
Rush the pwm signal input terminal of device 30.
Specifically, above-mentioned pwm signal may include six way pwm signals, wherein there may be at least all the way first son
The second corresponding sub- pwm signal of pwm signal is input to the output buffer via pwm signal control module, and above-mentioned
One sub- pwm signal is the sub- pwm signal of programmable logic device output, and above-mentioned second sub- pwm signal is the processor
Output sub- pwm signal, the pwm signal control module 60 be used for based on the described first sub- pwm signal it is corresponding second
Sub- pwm signal determines output to the sub- pwm signal of the output buffer.
Wherein, above-mentioned pwm signal control module 60 can be logical device, for example, or door, PLA or PLD etc., can be with base
Logical operation is carried out in the two path control signal of above-mentioned processor 10 output, to obtain the PWM letter of input to output buffer 30
Number.The corresponding second sub- pwm signal of above-mentioned first sub- pwm signal can be to determine based on above-mentioned first sub- pwm signal the
Two sub- pwm signals.For example, PWM1b is the sub- pwm signal based on determined by PWM1a, then PWM1b is the corresponding sub- PWM of PWM1a
Signal.
For example, with reference to Fig. 3, the six way pwm signals that processor 10 exports are respectively PWM1a to PWM6a, programmable logic
Six way pwm signals of device 50 (e.g., CPLD) output are respectively PWM1b to PWM6b.PWM1a and PWM1b is input to or door
After progress or operation, output PWM1 to output buffer 30；PWM2a and PWM2b be input to or Men Jinhang or operation after, output
PWM2 is to output buffer 30；PWM3a and PWM3b be input to or Men Jinhang or operation after, output PWM3 to output buffer
30；PWM4a and PWM4b be input to or Men Jinhang or operation after, output PWM4 to output buffer 30；PWM5a and PWM5b is inputted
Extremely or after Men Jinhang or operation, output PWM5 to output buffer 30；PWM6a and PWM6b be input to or Men Jinhang or operation after,
PWM6 is exported to output buffer 30.
It should be noted that above-mentioned PWM1b to PWM6b can be inputted for programmable logic device 50 based on processor 10
The six way pwm signals that are exported of PWM1a to PWM6a.
In the embodiment of the present application, due to pwm signal control module can based on processor export sub- pwm signal and can compile
The sub- pwm signal of journey logical device output determines pwm signal, exports out so as to the pwm signal in programmable logic device
In the case where existing problem, guarantee pwm signal output, and then reduces because the pwm signal output of programmable logic device is asked
Topic causes pwm signal to be lost, the probability for causing the power of vehicle to be lost.
Optionally, the pwm signal control module is or door.
In the embodiment of the present application, pwm signal control module is or door the pwm signal that can be exported to processor and can compile
The pwm signal of journey logical device output carries out or operation, to can export in the case where simply by the presence of pwm signal all the way
Pwm signal is to output buffer.
In the embodiment of the present application, pwm signal control module is or door that not only response speed is very fast, and circuit structure letter
It is single, cost can be reduced.
Optionally, the response time of the programmable logic device is less than or equal to the second preset duration, wherein described the
Two preset durations were in for 10 nanoseconds between 100 nanoseconds.
The embodiment of the present invention is less than or equal to the programmable logic device of the second preset duration by the Response to selection time, no
The speed that the control signal of output pwm signal only can be improved, further increases the safety of vehicle driving, can also improve defeated
The speed of pwm signal out, and then improve the speed of driving motor output power.
The utility model embodiment is illustrated below in conjunction with Fig. 3:
For the pwm signal that processor generates by CPLD, 6 tunnels or door and output buffer are transferred to power switch tube drives electricity
Road.The port I/OA and the port I/OB are respectively two different input/output interfaces of processor, and simultaneously as output buffering
Device/port OE control signal.
The control signal of the port I/OA output is transferred to the port I/O1 of CPLD first, and it is defeated that CPLD receives the port I/OA
A control signal is generated by the port I/O2 again after control signal out, is passed through with the I/OB of the processor control signal exported
Cross or door and then control output buffer /port OE, wherein the port /OE be high level when output buffer forbid PWM
Signal output.The 6 way pwm signals that the 6 way pwm signals and processor of CPLD output export are input to or door, carry out or transport
Output buffer is calculated and then be input to, gives power switch tube drives circuit by exporting Buffer output pwm signal.
In normal vehicle operation, the pwm signal of processor output is input to CPLD, the pwm signal of CPLD output
It is carried out with the pwm signal of processor output or operation, then inputs to output buffer, output buffer is by received pwm signal
It exports to the driving circuit of power switch tube.
In the case where vehicle needs to stop, processor is simultaneously emitted by PWM by the port I/OA and the port I/OB and forbids letter
Number, namely the control signal for turning off pwm signal, for example, high level signal, the pwm signal of simultaneous processor output is whole
Become low level.CPLD receives the PWM disable signal from the port I/OA by the port I/O1, and output buffering is given in shutdown output
The pwm signal of device, the output pwm signal of CPLD also all becomes low level at this time, while issuing PWM by the port I/O2 and forbidding
Signal.The PWM disable signal of the port the I/O2 output and PWM disable signal of the port I/OB output passes through or Men Jinhang or operation,
PWM disable signal is exported to output buffer, to forbid output buffer output pwm signal, the PWM of output buffer output
Signal all becomes low level.
The embodiment of the present application is by way of the control signal redundancy of pwm signal, in the failure of any single control signal
In the case of, will not it cause uncontrollable on pwm signal hardware transport.As logical device, movement is executed for CPLD and/or door
Time is ns grades, and the most short execution time is that 50ns is avoided through program and turned off much smaller than the program execution time of processor
The motor control unit that software caused by pwm signal executed in the time is uncontrollable.In addition, pwm signal and place to CPLD output
The pwm signal for managing device output carries out or operation, and guaranteeing will not be because of the pwm signal of CPLD itself during normal vehicle operation
It goes wrong and pwm signal is caused to be lost, the power of vehicle is caused to be lost.The embodiment of the present application can make motor control list
Member is more stable and reliable, and crash rate is lower, so that vehicle operation is more reliable, more stable and safer.
The embodiment of the present application also provides a kind of electric machine, including motor, and power supply and any of the above-described embodiment mention
The motor control unit of confession；
The power supply is electrically connected with the motor and the motor control unit respectively, the motor control unit
Power switch tube drives circuit is connect with the motor control.
In the embodiment of the present application, above-mentioned power supply is electrically connected with the motor and the motor control unit respectively, with
It powers to motor and motor control unit.Above-mentioned power switch tube drives circuit is connect with motor control, to control motor operation.
It should be noted that the motor of any of the above-described embodiment may be implemented in the motor control list for including in the electric machine
Each process that control unit is realized, and identical technical effect can be reached, to avoid repeating, which is not described herein again.
Electric machine provided by the embodiments of the present application, since the enable signal control module in motor control list can be based on
The multi-way control signals of processor output control pwm signal, so as to reduce because single control signal failure causes to close
The probability of disconnected pwm signal, and then improve the safety of vehicle driving.
Optionally, above-mentioned motor can be driving motor.
For example, above-mentioned motor can be the driving motor for electric car.
The embodiment of the present application also provides a kind of vehicle, which includes the motor control list that any of the above-described embodiment provides
The electric machine that member or any of the above-described embodiment provide.Wherein, which may be implemented any of the above-described embodiment
Each process for being realized of motor control unit, and identical technical effect can be reached, it is no longer superfluous here to avoid repeating
It states.Each process that the electric machine that any of the above-described embodiment may be implemented in the electric machine is realized, and can reach identical
Technical effect, to avoid repeating, which is not described herein again.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be subject to the protection scope in claims.
Claims (11)
1. a kind of motor control unit characterized by comprising
Processor, including pwm signal output end and at least two control signal outputs；
Enable signal control module, wherein at least two input terminals of the enable signal control module respectively with the processing
At least two control signal outputs of device connect；
Output buffer, wherein the control terminal of the output buffer is connect with the output end of the enable signal control module,
The pwm signal input terminal of the output buffer is connect with the pwm signal output end of the processor.
2. motor control unit according to claim 1, which is characterized in that when the response of the enable signal control module
Between be less than or equal to the first preset duration, wherein first preset duration was in for 10 nanoseconds between 100 nanoseconds.
3. motor control unit according to claim 2, which is characterized in that the output buffer is that low level is effective
Buffer, the enable signal control module are or door.
4. motor control unit according to claim 2, which is characterized in that the output buffer is that high level is effective
Buffer, the enable signal control module are and door.
5. motor control unit according to any one of claim 1 to 4, which is characterized in that further include:
Programmable logic device, wherein the pwm signal output end of the processor via the programmable logic device with it is described
The pwm signal input terminal of output buffer connects, at least one of at least two control signal outputs of the processor
Control signal output, via at least two input terminals of the programmable logic device and the enable signal control module
At least one input terminal connection.
6. motor control unit according to claim 5, which is characterized in that the pwm signal of the programmable logic device
Output end is connect via pwm signal control module with the pwm signal input terminal of the output buffer, wherein the pwm signal
The first input end of control module connects the pwm signal output end of the programmable logic device, the pwm signal control module
The second input terminal connect the pwm signal output end of the processor, described in the output end connection of the pwm signal control module
The pwm signal input terminal of output buffer.
7. motor control unit according to claim 6, which is characterized in that the pwm signal control module is or door.
8. motor control unit according to claim 5, which is characterized in that the response time of the programmable logic device
Less than or equal to the second preset duration, wherein second preset duration was in for 10 nanoseconds between 100 nanoseconds.
9. a kind of electric machine, including motor, which is characterized in that further include any one of power supply and claim 1-8
The motor control unit；
The power supply is electrically connected with the motor and the motor control unit respectively, the power of the motor control unit
Switch tube driving circuit is connect with the motor control.
10. electric machine according to claim 9, which is characterized in that the motor is driving motor.
11. a kind of vehicle, which is characterized in that including motor control unit described in any item of the claim 1 to 8, or packet
Include electric machine described in claim 9 or 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662885.XU CN209642586U (en) | 2019-05-09 | 2019-05-09 | Motor control unit, electric machine and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662885.XU CN209642586U (en) | 2019-05-09 | 2019-05-09 | Motor control unit, electric machine and vehicle |
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| CN209642586U true CN209642586U (en) | 2019-11-15 |
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| CN201920662885.XU Active CN209642586U (en) | 2019-05-09 | 2019-05-09 | Motor control unit, electric machine and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064452A (en) * | 2019-12-20 | 2020-04-24 | 浙江大华技术股份有限公司 | Enabling signal generating circuit |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064452A (en) * | 2019-12-20 | 2020-04-24 | 浙江大华技术股份有限公司 | Enabling signal generating circuit |
| CN111064452B (en) * | 2019-12-20 | 2023-04-25 | 浙江大华技术股份有限公司 | Enabling signal generation circuit |
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