CN207691714U - A kind of high-precision automobile current generator voltage control set for adjusting - Google Patents
A kind of high-precision automobile current generator voltage control set for adjusting Download PDFInfo
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- CN207691714U CN207691714U CN201721688724.5U CN201721688724U CN207691714U CN 207691714 U CN207691714 U CN 207691714U CN 201721688724 U CN201721688724 U CN 201721688724U CN 207691714 U CN207691714 U CN 207691714U
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Abstract
The utility model discloses a kind of high-precision automobile current generator voltage control set for adjusting, including detection circuit, the output voltage for detecting generator and export to PWM controller；PWM controller, the voltage levels for determining output according to the error size of the output voltage and reference voltage and generation PWM waveform；Switching tube, for controlling the switching being switched off and on according to the PWM waveform；LC filters, for filtering the ripple voltage in the voltage that PWM controller exports when the switching tube is connected and exporting to generator excitation winding；The energy storage of itself is exported to generator excitation winding for keeping the electric current of itself continuous when the switching tube ends；Generator excitation winding, the voltage for being exported according to the LC filters generate magnetic field；Generator main winding, the magnetic field for being generated according to the generator excitation winding generate output voltage.The utility model is efficient, and fever is minimum, is not necessarily to radiator, reliable and stable, long lifespan.
Description
Technical field
The utility model belongs to car generator voltage controller technical field, and in particular to a kind of high-precision automobile hair
Electric moter voltage control set for adjusting.
Background technology
Traditional voltage regulator for automobile, because using linear switch, triode adjusts the electric current of Exciting Windings for Transverse Differential Protection, and efficiency is very
It is low, it is changed between 10-70% according to different situations efficiency, triode seriously generates heat.If using the side of hundreds of hertz of break-makes
Formula controls Exciting Windings for Transverse Differential Protection, improved efficiency, but the current ripples at Exciting Windings for Transverse Differential Protection both ends are again very big, and magnetic field is also unstable therewith,
Output voltage is also unstable, and car electrics can be by different degrees of interference.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of high-precision automobile current generator voltages to adjust control
Device processed.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
The utility model embodiment provides a kind of high-precision automobile current generator voltage control set for adjusting, which includes
PWM controller, detection circuit, switching tube, LC filters, generator excitation winding, generator main winding；
The detection circuit, output voltage for detecting generator and exports to PWM controller；
The PWM controller, the voltage for determining output according to the error size of the output voltage and reference voltage
Height and generation PWM waveform；
The switching tube, for controlling the switching being switched off and on according to the PWM waveform；
The LC filters, the ripple voltage in voltage for filtering PWM controller output when the switching tube is connected
And it exports to generator excitation winding；The energy storage of itself is exported to generator excitation winding when the switching tube ends and is used
It is continuous in the electric current of holding itself；
The generator excitation winding, the voltage for being exported according to the LC filters generate magnetic field；
The generator main winding, the magnetic field for being generated according to the generator excitation winding generate output voltage.
In said program, which specifically includes PWM controller, input power filter capacitor C1, the output of the first generator
Voltage sampling resistor R1, the second generator output voltage sample resistance R2, generator excitation winding L2, switching tube Q1, afterflow two
Pole pipe D1, afterflow inductance L1, the second filter capacitor C2, generator main winding, automobile starting battery BT1, power switch S1；
The positive and negative end of the automobile starting battery BT1 is connect simultaneously with the positive and negative end of input power filter capacitor C1
And power switch S1, the first generator output voltage sample resistance R1, second wherein are set between one end of anode connection
After the R2 series connection of generator output voltage sample resistance and PWM controller is connected in parallel on automobile starting battery BT1 and input electricity successively
Between the filter capacitor C1 of source and it is located at the sides input power filter capacitor C, the first end of the PWM controller is connected to automobile and opens
Anode connection one end of dynamic battery BT1 and input power filter capacitor C1, the second end is connected to the sampling of the first generator output voltage
Between resistance R1, the second generator output voltage sample resistance R2, third section is connected to automobile starting battery BT1 and input power filter
The cathode of wave capacitance C1 connects one end, and the 4th end is connected to the first end of switching tube Q1；The second end of the switching tube Q1 is through afterflow
Diode D1 is connected to anode connection one end of automobile starting battery BT1 and input power filter capacitor C1, and third is terminated at automobile
Start battery BT1 and connects one end with the cathode of input power filter capacitor C1；The second end of the switching tube Q1 also passes through power generation
Machine Exciting Windings for Transverse Differential Protection L2 is connected to anode connection one end of automobile starting battery BT1 and input power filter capacitor C1；The generator
Main winding is also connected in parallel between automobile starting battery BT1 and input power filter capacitor C1 and is located at automobile starting battery BT1
Side；The second end of the switching tube Q1 passes sequentially through afterflow inductance L1, generator excitation winding L2 is connected to automobile starting battery
Anode connection one end of BT1 and input power filter capacitor C1；An end of the second filter capacitor C2 be connected to afterflow inductance L1,
Between generator excitation winding L2, another anode connection for being terminated at automobile starting battery BT1 and input power filter capacitor C1
One end.
In said program, fuse F1 is provided between the power switch S1 and input power filter capacitor C1.
In said program, the generator main winding include the first generator main winding L3, the second generator main winding L4,
Third generator main winding L5, the first generator commutation diode D2, the second generator commutation diode D3, third generator are whole
Flow diode D4, the 4th generator commutation diode D5, the 5th generator commutation diode D6, the 6th generator commutation diode
D7, concatenated first generator commutation diode D2 and the second generator commutation diode D3, concatenated third generator commutation
Diode D4 and the 4th generator commutation diode D5 and concatenated 5th generator commutation diode D6 and the 6th generator
Rectifier diode D7 is connected in parallel on successively between automobile starting battery BT1 and input power filter capacitor C1, first generator
Main winding L3, the second generator main winding L4, third generator main winding L5 one end be connected to the first generator commutation two respectively
Pole pipe D2 and the second generator commutation diode D3, third generator commutation diode D4 and the 4th generator commutation diode
Between D5, the 5th generator commutation diode D6 and the 6th generator commutation diode D7, the other end connects altogether.
Compared with prior art, the beneficial effects of the utility model：
The utility model uses built-in reference voltage, samples, compares amplification, high-frequency PWM controlling unit, finally realizes
The stabilization of generator output voltage；The utility model uses high-frequency PWM converter, the working frequency of switching tube to reach 100KHz
More than, then by supplying Exciting Windings for Transverse Differential Protection after LC filtering, the ripple of the voltage and current in Exciting Windings for Transverse Differential Protection is exported less than 1%
The ripple of voltage can be accomplished to be less than 0.1V completely also less than 1%；The efficiency of the utility model can reach any situation and be higher than
90%, thus it is minimum to generate heat, and is not necessarily to radiator, thus reliable and stable, long lifespan.
Description of the drawings
Fig. 1 provides a kind of circuit of high-precision automobile current generator voltage control set for adjusting for the utility model embodiment
Figure.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of high-precision automobile current generator voltage control set for adjusting, which includes
PWM controller, detection circuit, switching tube, LC filters, generator excitation winding, generator main winding；
The detection circuit, output voltage for detecting generator and exports to PWM controller；
The PWM controller, the voltage for determining output according to the error size of the output voltage and reference voltage
Height and generation PWM waveform；
The switching tube, for controlling the switching being switched off and on according to the PWM waveform；
The LC filters, the ripple voltage in voltage for filtering PWM controller output when the switching tube is connected
And it exports to generator excitation winding；The energy storage of itself is exported to generator excitation winding when the switching tube ends and is used
It is continuous in the electric current of holding itself；
The generator excitation winding, the voltage for being exported according to the LC filters generate magnetic field；
The generator main winding, the magnetic field for being generated according to the generator excitation winding generate output voltage.
Specifically, the LC filters include afterflow inductance L1, the second filter capacitor C2, the second end of the switching tube Q1
Pass sequentially through afterflow inductance L1, generator excitation winding L2 is connected to automobile starting battery BT1 and input power filter capacitor C1
Anode connection one end；An end of the second filter capacitor C2 is connected between afterflow inductance L1, generator excitation winding L2, another
It is terminated at anode connection one end of automobile starting battery BT1 and input power filter capacitor C1.
As shown in Figure 1, the device specifically includes PWM controller, input power filter capacitor C1, the first generator output electricity
Press sample resistance R1, the second generator output voltage sample resistance R2, generator excitation winding L2, switching tube Q1, two pole of afterflow
Pipe D1, afterflow inductance L1, the second filter capacitor C2, generator main winding, automobile starting battery BT1, power switch S1；
The positive and negative end of the automobile starting battery BT1 is connect simultaneously with the positive and negative end of input power filter capacitor C1
And power switch S1, the first generator output voltage sample resistance R1, second wherein are set between one end of anode connection
After the R2 series connection of generator output voltage sample resistance and PWM controller is connected in parallel on automobile starting battery BT1 and input electricity successively
Between the filter capacitor C1 of source and it is located at the sides input power filter capacitor C, the first end of the PWM controller is connected to automobile and opens
Anode connection one end of dynamic battery BT1 and input power filter capacitor C1, the second end is connected to the sampling of the first generator output voltage
Between resistance R1, the second generator output voltage sample resistance R2, third section is connected to automobile starting battery BT1 and input power filter
The cathode of wave capacitance C1 connects one end, and the 4th end is connected to the first end of switching tube Q1；The second end of the switching tube Q1 is through afterflow
Diode D1 is connected to anode connection one end of automobile starting battery BT1 and input power filter capacitor C1, and third is terminated at automobile
Start battery BT1 and connects one end with the cathode of input power filter capacitor C1；The second end of the switching tube Q1 also passes through power generation
Machine Exciting Windings for Transverse Differential Protection L2 is connected to anode connection one end of automobile starting battery BT1 and input power filter capacitor C1；The generator
Main winding is also connected in parallel between automobile starting battery BT1 and input power filter capacitor C1 and is located at automobile starting battery BT1
Side.
It is the ripple for filtering out the utility model power supply that C1, which is used to act on,；
R1, R2 are used to the height of the output voltage of detection generator；
D1 is used for when Q1 ends, and L1 energy storage continues through D1 and discharged to Exciting Windings for Transverse Differential Protection, keeps the continuous of L1 electric currents.
L2 is for generating magnetic field；
Q1 is used to adjust the voltage at Exciting Windings for Transverse Differential Protection both ends；Field-effect tube is used as main switch, passes through regulating switch
The duty ratio of pipe realizes the adjusting of Exciting Windings for Transverse Differential Protection both end voltage, current regulation and flux control.
PWM controller is for generating PWM waveform control Q1 switches；
BT1 is used to power to car electrics when generator does not work.
Further, be provided between the power switch S1 and input power filter capacitor C1 fuse F1 for when send out
Cut-out power supply avoids causing fire when raw abnormal.
Specifically, the generator main winding includes the first generator main winding L3, the second generator main winding L4, third
Generator main winding L5, the first generator commutation diode D2, the second generator commutation diode D3, third generator commutation two
Pole pipe D4, the 4th generator commutation diode D5, the 5th generator commutation diode D6, the 6th generator commutation diode D7,
Concatenated first generator commutation diode D2 and the second generator commutation diode D3, concatenated two pole of third generator commutation
Pipe D4 and the 4th generator commutation diode D5 and concatenated 5th generator commutation diode D6 and the 6th generator commutation
Diode D7 is connected in parallel on successively between automobile starting battery BT1 and input power filter capacitor C1, it is described first power generation owner around
Group L3, the second generator main winding L4, third generator main winding L5 one end be connected to the first generator commutation diode respectively
D2 and the second generator commutation diode D3, third generator commutation diode D4 and the 4th generator commutation diode D5,
Between five generator commutation diode D6 and the 6th generator commutation diode D7, the other end connects altogether.
The AC rectification that D2-D7 is used to generator send out is at direct current；
L3-L5 is for generating alternating voltage.
The utility model, which is compared by detection generator output voltage with reference voltage, generates error voltage control PWM controls
Device processed reaches the steady of generator output voltage using suitable DC current is provided to Exciting Windings for Transverse Differential Protection after LC smothing filterings
It is fixed.
The control process of the utility model：
If generator output voltage can reduce higher than setting voltage, the duty ratio of PWM controller, Exciting Windings for Transverse Differential Protection both ends
Voltage can also reduce, and the output voltage of generator will decline., whereas if generator output voltage is less than setting voltage, PWM
The duty ratio of controller can increase, and the voltage at Exciting Windings for Transverse Differential Protection both ends can also increase, and the output voltage of generator will rise.So
Pass through the stabilization of present apparatus energy automatic, high precision regulator generator output voltage.
Specifically, after turning on the power switch S1, start generator, if R1, R2 partial pressure are less than the benchmark of PWM controller
Voltage illustrates that the serious power shortages of BT1, PWM controller output duty cycle maximum control Q1, and the voltage at the both ends L2 is also maximum, generator
The voltage sent out also maximum output.Battery is charged with maximum current；If R1, R2 partial pressure are controlled higher than in PWM after a period of time
The reference voltage of device processed illustrates that battery fills with, and PWM controller reduces duty ratio, and the voltage at the both ends L2 declines, generator
Output voltage also declines, and generator is made to maintain output voltage；
The utility model can be recorded and constantly detect generator output voltage in real time, by adjusting accounting for for PWM controller
Sky adjusts the voltage at the both ends L2 than control Q1, so as to adjust the stabilization of output voltage.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (4)
1. a kind of high-precision automobile current generator voltage control set for adjusting, which is characterized in that the device include PWM controller,
Detection circuit, switching tube, LC filters, generator excitation winding, generator main winding；
The detection circuit, output voltage for detecting generator and exports to PWM controller；
The PWM controller, the voltage levels for determining output according to the error size of the output voltage and reference voltage
And generate PWM waveform；
The switching tube, for controlling the switching being switched off and on according to the PWM waveform；
The LC filters, for when the switching tube be connected filter PWM controller export voltage in ripple voltage and
It exports to generator excitation winding；The energy storage of itself is exported to generator excitation winding for protecting when the switching tube ends
The electric current for holding itself is continuous；
The generator excitation winding, the voltage for being exported according to the LC filters generate magnetic field；
The generator main winding, the magnetic field for being generated according to the generator excitation winding generate output voltage.
2. a kind of high-precision automobile current generator voltage control set for adjusting according to claim 1, which is characterized in that should
Device specifically includes PWM controller, input power filter capacitor C1, the first generator output voltage sample resistance R1, the second hair
Motor output voltage sample resistance R2, generator excitation winding L2, switching tube Q1, sustained diode 1, afterflow inductance L1, second
Filter capacitor C2, generator main winding, automobile starting battery BT1, power switch S1；
The positive and negative end of the automobile starting battery BT1 is connect with the positive and negative end of input power filter capacitor C1 and it
Setting power switch S1, the first generator output voltage sample resistance R1, the second power generation between one end of middle anode connection
After the R2 series connection of machine output voltage sample resistance and PWM controller is connected in parallel on automobile starting battery BT1 and input power filter successively
Between wave capacitance C1 and it is located at the sides input power filter capacitor C, the first end of the PWM controller is connected to automobile starting electricity
Anode connection one end of pond BT1 and input power filter capacitor C1, the second end is connected to the first generator output voltage sample resistance
Between R1, the second generator output voltage sample resistance R2, third section is connected to automobile starting battery BT1 and input power filtered electrical
The cathode for holding C1 connects one end, and the 4th end is connected to the first end of switching tube Q1；The second end of the switching tube Q1 is through two pole of afterflow
Pipe D1 is connected to anode connection one end of automobile starting battery BT1 and input power filter capacitor C1, and third is terminated at automobile starting
Battery BT1 connects one end with the cathode of input power filter capacitor C1；The second end of the switching tube Q1 is also encouraged by generator
Magnetic winding L2 is connected to anode connection one end of automobile starting battery BT1 and input power filter capacitor C1；The power generation owner around
Group is also connected in parallel between automobile starting battery BT1 and input power filter capacitor C1 and is located at the sides automobile starting battery BT1；
The second end of the switching tube Q1 passes sequentially through afterflow inductance L1, generator excitation winding L2 is connected to automobile starting battery BT1 and
Anode connection one end of input power filter capacitor C1；An end of the second filter capacitor C2 is connected to afterflow inductance L1, power generation
Between machine Exciting Windings for Transverse Differential Protection L2, another anode connection one end for being terminated at automobile starting battery BT1 and input power filter capacitor C1.
3. a kind of high-precision automobile current generator voltage control set for adjusting according to claim 2, which is characterized in that institute
It states and is provided with fuse F1 between power switch S1 and input power filter capacitor C1.
4. a kind of high-precision automobile current generator voltage control set for adjusting according to claim 2 or 3, feature exist
In the generator main winding includes the first generator main winding L3, the second generator main winding L4, third generator main winding
L5, the first generator commutation diode D2, the second generator commutation diode D3, third generator commutation diode D4, the 4th
Generator commutation diode D5, the 5th generator commutation diode D6, the 6th generator commutation diode D7, concatenated first hair
Motor rectifier diode D2 and the second generator commutation diode D3, concatenated third generator commutation diode D4 and the 4th hair
Motor rectifier diode D5 and concatenated 5th generator commutation diode D6 and the 6th generator commutation diode D7 are successively
It is connected in parallel between automobile starting battery BT1 and input power filter capacitor C1, the first generator main winding L3, the second power generation
Owner's winding L4, third generator main winding L5 one end be connected to the first generator commutation diode D2 and the second generator respectively
Rectifier diode D3, third generator commutation diode D4 and the 4th generator commutation diode D5, the 5th generator commutation two
Between pole pipe D6 and the 6th generator commutation diode D7, the other end connects altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688724.5U CN207691714U (en) | 2017-12-07 | 2017-12-07 | A kind of high-precision automobile current generator voltage control set for adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688724.5U CN207691714U (en) | 2017-12-07 | 2017-12-07 | A kind of high-precision automobile current generator voltage control set for adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207691714U true CN207691714U (en) | 2018-08-03 |
Family
ID=62996756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721688724.5U Active CN207691714U (en) | 2017-12-07 | 2017-12-07 | A kind of high-precision automobile current generator voltage control set for adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207691714U (en) |
-
2017
- 2017-12-07 CN CN201721688724.5U patent/CN207691714U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 6001, Shangji Road, caotan eco industrial park, Xi'an Economic and Technological Development Zone, Shaanxi 710018 Patentee after: HUAYI MICROELECTRONICS Co.,Ltd. Address before: No. 6001, Shangji Road, caotan eco industrial park, Xi'an Economic and Technological Development Zone, Shaanxi 710018 Patentee before: XI'AN HUAYI MICROELECTRONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |