CN203920462U - A kind of electronlmobil electric drive electronic control package - Google Patents
A kind of electronlmobil electric drive electronic control package Download PDFInfo
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- CN203920462U CN203920462U CN201420303020.1U CN201420303020U CN203920462U CN 203920462 U CN203920462 U CN 203920462U CN 201420303020 U CN201420303020 U CN 201420303020U CN 203920462 U CN203920462 U CN 203920462U
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- electric drive
- electronlmobil
- electronic control
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Abstract
A kind of electronlmobil electric drive electronic control package belongs to Vehicle Electronic Control field, it is the technological development direction that country advocates and supports energetically, formed by target setting tach signal input media (1), the current tachogen of electric drive (2), electric drive electronic control unit (3), electric drive rotating output shaft load torque sensor (4), electric drive speed governing driver module (5), when regulating electronlmobil electric drive rotating speed, realize and regulate and control electronlmobil electric drive driving power all the time and loading demand power matches.In electronlmobil electric drive speed regulation process, electronlmobil electric drive electronic control package regulates electronlmobil electric drive coil winding power-on time according to rotating speed of target, load torque, indirect realization the current speed adjustment of electronlmobil electric drive realized electronlmobil electric drive driving power simultaneously and loading demand power matches.
Description
One, technical field
This case belongs to Vehicle Electronic Control field, is the technological development direction that country advocates and supports energetically.
Two, background technology
Now, the world faces earth environment and worsens a difficult problem, and whole world social elite is paying close attention to this difficult problem, and jointly makes energy-saving and emission-reduction, low-carbon economy countermeasure.
Traditional automotive engine uses fuel oil to make energy feedstuff, the tail gas discharging in operation process, destroy natural environment, for this situation, electronlmobil is shown one's talent, entire society just drops into a large amount of manpowers, material resources, financial resources make a search, and make certain gains, also there is thriving gratifying scene in electronlmobil electric drive electronic control package (ECU) achievement in research, but electronlmobil electric drive electronic control package (ECU) is related to the utilization of electrokinetic cell store electrical energy, also be related to the power-handling capability of electronlmobil, the dynamic property of concentrated reflection electronlmobil, the economy of electric energy energy consumption, braking ability, road-holding property, ride comfort, crossing ability and driver comfort.This case considers above-mentioned factor, a kind of electronlmobil electric drive electron steering new approaches are proposed, mate angle from electronlmobil electric drive horsepower input with bearing power demand and consider, design electronlmobil electric drive electron steering scheme, i.e. a kind of electronlmobil electric drive electronic control package.
Three, summary of the invention
The purpose of this utility model is to provide a kind of new electronlmobil electric drive electron steering design plan---a kind of electronlmobil electric drive electronic control package, realizes regulating and controlling electronlmobil electric drive driving power all the time and loading demand power matches when regulating electronlmobil electric drive rotating speed.
This case is a kind of electronlmobil electric drive electronic control package, is made up of target setting tach signal input media (1), the current tachogen of electric drive (2), electric drive electronic control unit (3), electric drive rotating output shaft load torque sensor (4), electric drive speed governing driver module (5).
In figure, target setting tach signal input media (1) is by the control of electronlmobil navigating mate, its function, as the Das Gaspedal of traditional EFI fuel-engined vehicle, is set electric drive rotating speed of target signal for electric drive electronic control unit (3) provides electronlmobil navigating mate; The current tachogen of electric drive (2) gathers the current actual speed of electronlmobil electric drive, for electric drive electronic control unit (3) provides electronlmobil electric drive current actual speed signal; The load of electric drive rotating output shaft load torque sensor (4) sampling electronlmobil electric drive, offers electric drive electronic control unit (3) with the physical quantity of load torque; Electric drive speed governing driver module (5) is power electronics actuating unit, receives the dutycycle instruction that electric drive electronic control unit (3) sends, and controls electronlmobil electric drive coil winding power-on time and power-off time.
This utility model can realize at work and regulate and control electronlmobil electric drive driving power all the time and loading demand power matches.
Four, brief description of the drawings
Accompanying drawing is a kind of electronlmobil electric drive electronic control package principle of work schematic diagram.
Five, detailed description of the invention
This case is applicable to switch power supply type electric drive, 201010171217.0), switched reluctance motor, brushless direct current motor etc. as the electric motor (patent No.:, the type electric drive feature is current constant in working process, by regulating, electric drive coil winding power-on time is realized and regulates electric drive horsepower output.Concrete calculating: suppose that the current rotating speed of electric drive is n, unit is rev/min that electrically operated swing circle ζ is
unit is second, if be t (0≤t≤ζ) to the power-on time of electric drive coil winding in electrically operated swing circle ζ, unit is second, and the merit W acting in electrically operated swing circle ζ in load is U*I* η * t, and unit is joule, wherein, U is electric drive operating voltage, and unit is volt, and I is working current in electric drive coil winding, unit is ampere, and η is the efficiency that electric drive electric energy is converted to mechanical energy; In electrically operated swing circle ζ, electric drive driving power P is
or
unit is watt, order
for D, in electrically operated swing circle ζ, electric drive driving power P can be expressed as U*I* η * D.
D is dutycycle, codomain is 0≤D≤1, by above-mentioned known, dutycycle D is in electrically operated swing circle ζ to be t and the ratio of electrically operated swing circle ζ to the power-on time of electric drive coil winding, in other words, as long as know that the current rotating speed of dutycycle D and electric drive is n (electrically operated swing circle ζ), can know in electrically operated swing circle ζ to be t to the power-on time of electric drive coil winding, for D* ζ or
Dutycycle D can be calculated by electronlmobil electric drive driving power and the loading demand power condition that matches, and dutycycle D is by loading demand power decision, and model mapping process is as follows:
When electronlmobil electric drive drives electric automobile during traveling, electric drive electronic control unit (3) is by the expectations of control rotating speed of target n of target setting tach signal input media (1) Real-time Collection electronlmobil navigating mate manipulation
t, unit is rev/min; Electric drive electronic control unit (3) is by the current rotation speed n of the current tachogen of electric drive (2) Real-time Collection electronlmobil electric drive
c, unit is rev/min; Electric drive electronic control unit (3) drags load torque T by electric drive rotating output shaft load torque sensor (4) Real-time Collection electronlmobil electric drive, and unit is ox rice.Meanwhile, the most economical driving conditions that electric drive electronic control unit (3) matches according to electronlmobil electric drive driving power and loading demand power is passed the data n of electric drive electronic control unit (3) Real-time Collection in principle
t, n
c, T computed duty cycle D (0≤D≤1), be specifically calculated as follows:
Electronlmobil electric drive driving power P
d, unit is watt
P
d＝U*I*η*D
Loading demand power P
l, unit is kilowatt
Electronlmobil electric drive driving power and loading demand power match,
Computed duty cycle D
In like manner, calculate current dutycycle D ＇
Electric drive electronic control unit (3) is according to D, D ＇, n
t, n
c, T control electric drive speed governing driver module (5) carry out powered operation and the power operation to electronlmobil electric drive coil winding, and then electronlmobil electric drive is carried out to speed governing operation and the operation of transfer drive kinetic power, make electronlmobil electric drive rotating speed reach rotating speed of target, electronlmobil electric drive driving power and loading demand power are matched.Detailed process is as follows:
First, calculate current dutycycle D ＇ and target duty than D absolute difference and current rotation speed n
cwith rotating speed of target n
tabsolute difference.
ΔD＝|D＇-D|
Δn＝|n
C-n
T|
Secondly, according to the disposable speed adjustment class interval Δ n ＇ allowing in the disposable duty cycle adjustment class interval Δ D ＇ allowing in T calculating electric automobile during traveling process and electric automobile during traveling process.
ΔD＇∝K
d*T
K
dduty cycle adjustment class interval coefficient, K
nspeed adjustment class interval coefficient, K
d, K
nall demarcate in (calibration), Bench calibration and car load demarcation and accurately determine gradually in table-top model.
Again, relatively Δ D and Δ D ＇, relatively Δ n and Δ n ＇ simultaneously, as long as Δ D≤Δ D ＇, and Δ n≤Δ n ＇, need be on current dutycycle D ＇ basis and with current rotation speed n
con basis, the disposable target duty that is adjusted to is than D and rotating speed of target n
t; If Δ D > Δ D is ＇, on current dutycycle D ＇ basis, be adjusted to several times target duty and compare D, in control process, duty cycle adjustment class interval must be less than or equal to Δ D ＇ each time, and after regulating each time, need the whole calculating control process of the above-mentioned enforcement of circulation, approach target duty with multiple gradual and regulate than the mode of D, total adjusting number of times is right
round numbers business adds 1; If Δ n > Δ n is ＇, in current rotation speed n
con basis, be adjusted to several times rotating speed of target n
t, control process medium speed governing stage is apart from being less than or equal to Δ n ＇ each time, and after regulating each time, needs the whole calculating control process of the above-mentioned enforcement of circulation, approaches rotating speed of target n with multiple gradual
tmode regulate, total adjusting number of times is right
round numbers business adds 1; If Δ D > Δ D is ＇, and Δ n > Δ n ＇, regulate by above-mentioned Δ D > Δ D ＇ and Δ n > Δ n ＇ regulative mode respectively.
Finally, regulate duty when based on current rotation speed n according to this calculating based on current dutycycle D
cthe current swing circle of electronlmobil electric drive calculating, calculating in the current swing circle of electronlmobil electric drive is electronlmobil electric drive coil winding power-on time (computation process is consulted above-mentioned related content), and electric drive electronic control unit (3) is according to being that electronlmobil electric drive coil winding power-on time control electric drive speed governing driver module (5) is carried out powered operation and the power operation to electronlmobil electric drive coil winding in the current swing circle of electronlmobil electric drive.
Claims (6)
1. an electronlmobil electric drive electronic control package, it is characterized in that: formed by target setting tach signal input media (1), the current tachogen of electric drive (2), electric drive electronic control unit (3), electric drive rotating output shaft load torque sensor (4), electric drive speed governing driver module (5), target setting tach signal input media (1), by the control of electronlmobil navigating mate, is set electric drive rotating speed of target signal for electric drive electronic control unit (3) provides electronlmobil navigating mate; The current tachogen of electric drive (2) gathers the current actual speed of electronlmobil electric drive, for electric drive electronic control unit (3) provides electronlmobil electric drive current actual speed signal; The load of electric drive rotating output shaft load torque sensor (4) sampling electronlmobil electric drive, offers electric drive electronic control unit (3) with the physical quantity of load torque; Electric drive speed governing driver module (5) is power electronics actuating unit, receives the dutycycle instruction that electric drive electronic control unit (3) sends, and controls electronlmobil electric drive coil winding power-on time and power-off time.
2. electronlmobil electric drive electronic control package as claimed in claim 1, it is characterized in that: described electric drive electronic control unit (3) is arranged described target setting tach signal input media (1) around simultaneously, the current tachogen of described electric drive (2), described electric drive rotating output shaft load torque sensor (4), described electric drive speed governing driver module (5), and described electric drive electronic control unit (3) and described target setting tach signal input media (1), the current tachogen of described electric drive (2), described electric drive rotating output shaft load torque sensor (4), between described electric drive speed governing driver module (5), connect with wire respectively.
3. electronlmobil electric drive electronic control package as claimed in claim 1, is characterized in that: described electric drive electronic control unit (3) is by the expectations of control rotating speed of target n of described target setting tach signal input media (1) Real-time Collection electronlmobil navigating mate manipulation
t, unit is rev/min; Described electric drive electronic control unit (3) is by the current rotation speed n of the current tachogen of described electric drive (2) Real-time Collection electronlmobil electric drive
c, unit is rev/min; Described electric drive electronic control unit (3) drags load torque T by described electric drive rotating output shaft load torque sensor (4) Real-time Collection electronlmobil electric drive, unit is ox rice, meanwhile, the most economical driving conditions that described electric drive electronic control unit (3) matches according to electronlmobil electric drive driving power and loading demand power is passed the data n of described electric drive electronic control unit (3) Real-time Collection in principle
t, n
c, T computed duty cycle D (0≤D≤1) and D ＇ (0≤D ＇≤1), dutycycle D computing formula is
dutycycle D ＇ computing formula is
4. electronlmobil electric drive electronic control package as claimed in claim 1, is characterized in that: described electric drive electronic control unit (3) is according to D, D ＇, n
t, n
c, T controls described electric drive speed governing driver module (5) and carries out powered operation and the power operation to electronlmobil electric drive coil winding, and then electronlmobil electric drive is carried out to speed governing operation and the operation of transfer drive kinetic power, make electronlmobil electric drive rotating speed reach rotating speed of target, electronlmobil electric drive driving power and loading demand power are matched.
5. electronlmobil electric drive electronic control package as claimed in claim 1, it is characterized in that: described electric drive electronic control unit (3) completes each time to be adjusted electronlmobil electric drive rotating speed and complete after tune electronlmobil electric drive driving power, must continue the whole calculating control process of cycle control model mapping, approach rotating speed of target n with multiple gradual
tregulate with the mode of loading demand power.
6. electronlmobil electric drive electronic control package as claimed in claim 1, is characterized in that: described electric drive electronic control unit (3) regulates duty when based on current rotation speed n according to this calculating based on current dutycycle D
cthe current swing circle of electronlmobil electric drive calculating, calculate in the current swing circle of electronlmobil electric drive is electronlmobil electric drive coil winding power-on time, for this regulates the product of dutycycle and the current swing circle of electronlmobil electric drive, and described electric drive electronic control unit (3) is according to being that electric drive speed governing driver module (5) is carried out powered operation and the power operation to electronlmobil electric drive coil winding described in the control of electronlmobil electric drive coil winding power-on time in the current swing circle of electronlmobil electric drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303020.1U CN203920462U (en) | 2014-06-02 | 2014-06-02 | A kind of electronlmobil electric drive electronic control package |
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|---|---|---|---|
| CN201420303020.1U CN203920462U (en) | 2014-06-02 | 2014-06-02 | A kind of electronlmobil electric drive electronic control package |
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| CN203920462U true CN203920462U (en) | 2014-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015631A (en) * | 2014-06-02 | 2014-09-03 | 贾立进 | Electric drive electronic control device of electric car |
-
2014
- 2014-06-02 CN CN201420303020.1U patent/CN203920462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015631A (en) * | 2014-06-02 | 2014-09-03 | 贾立进 | Electric drive electronic control device of electric car |
| CN104015631B (en) * | 2014-06-02 | 2019-04-16 | 贾立进 | A kind of electric car electric drive electronic control unit |
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