CN205983065U - LIN communication car voltage regulator based on singlechip - Google Patents
LIN communication car voltage regulator based on singlechip Download PDFInfo
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- CN205983065U CN205983065U CN201620513946.2U CN201620513946U CN205983065U CN 205983065 U CN205983065 U CN 205983065U CN 201620513946 U CN201620513946 U CN 201620513946U CN 205983065 U CN205983065 U CN 205983065U
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Abstract
The utility model discloses a LIN communication car voltage regulator based on singlechip belongs to generator adjusting technical field, including singlechip master control reason module, mains operated module, B+ end voltage acquisition module, PWM excitation current drive module, 2 voltage -multiplying modules, looks signal processing module, temperature sampling module, excitation current sampling module and LIN communication module, its characterized in that: mains operated module, B+ end voltage acquisition module, PWM excitation current drive module, 2 voltage -multiplying modules, looks signal processing module, temperature sampling module, excitation current sampling module and LIN communication module link to each other with singlechip master control reason module. The beneficial effects of the utility model are that: circuit design structure modularization, portability is strong, and control chip uses the monolithic to realize, and the programming flexibility is high, under the unchangeable condition of hardware circuit, can be through the adjustment of change software program realization function. Make development period shorten, reduce development cost, improve market competition.
Description
Technical field
This utility model is related to a kind of regulator of AC generator for car, specifically a kind of SCM Based LIN communication
Voltage regulator for automobile, belongs to AC generator for vehicle regulation technology field.
Background technology
LIN is the abbreviation of Local Interconnect Network, is based on UART/SCI（UART Universal Asynchronous Receiver Transmitter/
Serial communication interface）Inexpensive serial communication protocol, can be used for the multiple fields such as automobile, household electrical appliances, office equipment.LIN communicates
Voltage regulator for automobile is a kind of intelligent regulator meeting LIN communication protocol, and it can be with the phase of real-time monitoring automobile current generator
Related parameter, such as exciter current of generator, generator operation temperature, generator operation rotating speed, generator operation voltage etc., and by this
A little real-time data transmissions, to ECU, facilitate ECU according to the effective and reasonable adjustment generator operation state of car load working condition.So
The comfortableness of car load not only can be improved, and the efficiency of car load can be improved, and can be integrated with Local Interconnect Network LIN,
Improve enhancement mode control function for AC generator for vehicle.
Automobile use during, often due to extraneous factor and inner parameter change impact and lead to car speed
Unstable, the running quality of impact automobile, also can produce adverse consequencess when serious.For this, friendship should be installed in automobile supply line
Stream electromotor manostat, has improved and has eliminated above-mentioned linear, and effective control battery has adjusted voltage, so that in automobile really
Life cycle optimizes overall performance and battery.
This kind of actuator technology is had by some international big factories at present, as Freescale, BOSCH, Infineon, Rhizoma Sparganii and
Denso etc..Such actuator is made function single-chip it is impossible to modification circuit or adjustment corresponding function by them, and technology is closed, and answers
Low with motility, and such chip price is high, increased holistic cost.Low and middle-end with automobile and China's minicar
Development, cost is lower, can greatly improve competitiveness.A can meet functional requirement, reliability requirement, construction cycle
Short, low-cost LIN communication voltage actuator, the weapon getting the upper hand of beyond doubt.
Content of the invention
For the technical problem of above-mentioned LIN communication adjustment device present situation and presence, this utility model provides one kind to be based on monolithic
The LIN communication voltage regulator for automobile of machine.Single-chip microcomputer is general chip, and selectable scope is very wide, and can pass through
Different software designs realizes different functions, and flexibly, the construction cycle is short, low cost for application.This utility model selects
The PIC16F1829LIN of Microchip, be capable of that the LIN terminal regulator chip such as Freescale, BOSCH has is all
Function.
To achieve these goals, this utility model is achieved through the following technical solutions：A kind of SCM Based LIN leads to
Letter voltage regulator for automobile, including Single-chip Controlling processing module, power supply module, B+ terminal voltage acquisition module, PWM excitation
Electric current drive module, 2 times of die blocks, phase signals processing module, temperature sampling module, exciting current sampling module and LIN communication
Module it is characterised in that：Power supply module, B+ terminal voltage acquisition module, PWM exciting current drive module, 2 times of die blocks,
Phase signals processing module, temperature sampling module, exciting current sampling module and LIN communication module and Single-chip Controlling processing module
It is connected.
It is control chip that described control process module selects single-chip microcomputer.
Described single-chip microcomputer also selects Microchip PIC16F1829LIN single-chip microcomputer, and it supports 10,9 tunnel ADC, 2 road ratios
Relatively device, FVR reference voltage module, 2 tunnel enhancement mode 10 PWM, 48 bit timing devices, 1 16 bit timing device, T1G gate control function,
Super low-power consumption manages, enhanced general synchronous/asynchronous transceiver, hardware supported LIN1.3, LIN2.1 agreement.
Power supply module is made up of diode D2 and C1, and diode D2 connects positive source B+ end, and diode D2 is unidirectional
Electricity, C1 is filter capacitor, and C1 improves capacity of resisting disturbance, filter capacitor C1 and the diode D2 public termination integrated circuit of single-chip microcomputer
The PIN11 foot of IC1.PIN10 foot meets electric capacity C2 to E, and PIN10 foot exports 5V voltage, is IC1 and other circuit offer 5V voltage,
Electric capacity C2 improves degree of stability and the capacity of resisting disturbance of 5V voltage output.
In PWM exciting current drive module, the PIN5 foot output pwm signal of IC 1, the frequency of its pwm signal
It is designed as 200HZ, dutycycle size changes with generator loading and B+ terminal voltage, PIN5 foot signal passes through switching tube Q3 and Q4
Control the grid of metal-oxide-semiconductor Q1, the drain electrode of Q1 is F end output pwm signal, control exciter current of generator, D1 is exciting current
Backflow diode.
In B+ terminal voltage acquisition module, resistance R1, resistance R2, electric capacity C4 and Zener diode ZD1 composition B+ voltage are processed
Circuit, resistance R1 and resistance R2 carry out partial pressure to B+ voltage, and electric capacity C4 is filtered to B+ voltage processing, Zener diode ZD1
Voltage stabilizing is carried out to the voltage beyond 5V, the signal handled well sends into PIN14 foot.
2 times of die blocks are by resistance R18, resistance R19, resistance R20, resistance R21, electric capacity C9, electric capacity C10 and diode D3 group
Become, PIN2 foot output high frequency square wave controls audion Q5 high-speed switch, using unilateral conduction and the electric capacity C9 two of diode D3
The feature that terminal voltage can not be mutated, 2 times that the voltage of electric capacity C10 is raised as B+ terminal voltage, the grid for Q1 provides enough
Driving voltage.
Described in Single-chip Controlling processing module, single-chip microcomputer uses the PIC16F1829LIN of Microchip.
PIC16F1829LIN foot VDD is powered using 5V, and PIN20 foot VSS is grounded, and RA2, RA3, RC1 foot does not use.Setting inside RC3 foot
For C1 comparator module negative pole, the F terminal voltage sampled signal of RC3 foot input PWM exciting current control module.Setting inside RA4
For ADC channel, input the F terminal voltage sampled signal of PWM exciting current control module.RA5 exports digital level, exports high frequency side
Ripple signal.RC5 foot output pwm signal is to PWM exciting current control module.RC4 exports digital level, supplies to IC 3
Electricity.PIN9 foot connects LINbus communication interface.It is set to ADC channel, the voltage signal of input B+ voltage sample module inside RC2.
It is set to ADC channel, the voltage signal of input temp sampling module inside RC0 foot.It is set to Digital I/O inside RA0 and RA1 foot
Mouth interrupts, RA0 and RA1 foot connects Phase signal processing module.
In phase signals processing module, resistance R16, resistance R15, resistance R17, resistance R12, resistance R13, resistance R14, electricity
Resistance R11, electric capacity C6, electric capacity C7, electric capacity C8 and IC 2 component frequency process part, sample phase signals frequently by RA0 mouth
Rate, resistance R23, audion Q2, electric capacity C12 and voltage regulation resistance ZD3 composition voltage process part, by RA1 mouth sampling phase signals
Voltage.
Described in temperature sampling module, bleeder circuit is formed by critesistor R22 and conventional, electric-resistance R8, by RC0
Foot sampling branch pressure voltage.
In exciting current sampling module, resistance RS, IC 3, resistance R10 and electric capacity C11 composition current/voltage
Change-over circuit, RA4 foot does overvoltage judgement, and RC3 foot does voltage and adopts.
In LIN communication module, LINbus bus connects PIN9 foot, and C3 electric capacity does filtering and filters spike interference, maintains
The stablizing of LINbus bus.
The beneficial effects of the utility model are：Circuit design structure modularity, portable strong, control chip uses monolithic
Realize, programming flexibility is high, the tune of function in the case that hardware circuit is constant, can be realized by changing software program
Whole.So that the construction cycle is shortened, reduce development cost, improve the market competitiveness.
Brief description
Below in conjunction with accompanying drawing, this utility model is described further.
Fig. 1 is circuit theory diagrams of the present utility model.
In figure：1st, Single-chip Controlling processing module, 2, power supply module, 3, B+ terminal voltage acquisition module, 4, PWM excitation
Electric current drive module, 5,2 times of die blocks, 6, phase signals processing module, 7, temperature sampling module, 8, exciting current sampling module,
9th, LIN communication module.
Specific embodiment
The voltage regulator for automobile as shown in figure 1, a kind of SCM Based LIN communicates, processes mould including Single-chip Controlling
Block（1）, power supply module（2）, B+ terminal voltage acquisition module（3）, PWM exciting current drive module（4）, 2 times of die blocks
（5）, phase signals processing module（6）, temperature sampling module（7）, exciting current sampling module（8）With LIN communication module（9）.Electricity
Source supply module（2）, B+ terminal voltage acquisition module（3）, PWM exciting current drive module（4）, 2 times of die blocks（5）, phase signals
Processing module（6）, temperature sampling module（7）, exciting current sampling module（8）With LIN communication module（9）With single-chip microcomputer master control reason
Module（1）It is connected.Single-chip Controlling processing module（1）In, single-chip microcomputer uses the PIC16F1829LIN of Microchip.
PIC16F1829LIN foot VDD is powered using 5V, and PIN20 foot VSS is grounded, and RA2, RA3, RC1 foot does not use.Setting inside RC3 foot
For C1 comparator module negative pole, the F terminal voltage sampled signal of RC3 foot input PWM exciting current control module.Setting inside RA4
For ADC channel, input the F terminal voltage sampled signal of PWM exciting current control module.RA5 exports digital level, exports high frequency side
Ripple signal.RC5 foot output pwm signal is to PWM exciting current control module.RC4 exports digital level, powers to IC3.PIN9 foot
Connect LINbus communication interface.It is set to ADC channel, the voltage signal of input B+ voltage sample module inside RC2.Inside RC0 foot
It is set to ADC channel, the voltage signal of input temp sampling module.It is set to digital I/O port inside RA0 and RA1 foot to interrupt, RA0
Connect Phase signal processing module with RA1 foot.
In power supply processing module（2）In, power supply module is made up of diode D2 and C1, and diode D2 connects positive source
B+ end, diode D2 unilateal conduction, C1 is filter capacitor, and C1 improves the capacity of resisting disturbance of single-chip microcomputer, and C1 and diode D2 is public
The PIN11 foot of termination IC 1.PIN10 foot meets electric capacity C2 to E, and PIN10 foot exports 5V voltage, is IC1 and other circuit
There is provided 5V voltage, C2 improves degree of stability and the capacity of resisting disturbance of 5V voltage output.
In B+ terminal voltage acquisition module（3）In, resistance R1, resistance R2, electric capacity C4 and Zener diode ZD1 composition B+ electricity
Pressure process circuit, resistance R1 and resistance R2 carries out partial pressure to B+ voltage, and electric capacity C4 is filtered to B+ voltage processing, voltage stabilizing two pole
Pipe ZD1 carries out voltage stabilizing to the voltage beyond 5V, and the signal handled well sends into PIN14 foot.
In PWM exciting current drive module（4）In, the PIN5 foot output pwm signal of IC 1, its pwm signal
Frequency Design be 200HZ, dutycycle size changes with generator loading and B+ terminal voltage, and PIN5 foot signal passes through switching tube
Q3 and Q4 controls the grid of metal-oxide-semiconductor Q1, and the drain electrode of Q1 is F end output pwm signal, controls exciter current of generator, and D1 is excitation
The backflow diode of electric current.
In 2 times of die blocks（5）In, 2 times of die blocks by resistance R18, resistance R19, resistance R20, resistance R21, electric capacity C9,
Electric capacity C10 and diode D3 composition, PIN2 foot output high frequency square wave controls audion Q5 high-speed switch, using the list of diode D3
The feature can not being mutated to electric conductivity and electric capacity C9 both end voltage, 2 times that the voltage of electric capacity C10 is raised as B+ terminal voltage, be
The grid of Q1 provides enough driving voltages.
In phase signals processing module（6）In, resistance R16, resistance R15, resistance R17, resistance R12, resistance R13, resistance
R14, resistance R11, electric capacity C6, electric capacity C7, electric capacity C8 and IC 2 component frequency process part, by RA0 mouth sampling phase
Signal frequency, resistance R23, audion Q2, electric capacity C12 and Zener diode ZD3 composition voltage process part, adopted by RA1 mouth
Sample phase signals voltage.
In temperature sampling module（7）In, bleeder circuit is formed by critesistor R22 and conventional, electric-resistance R8, is adopted by RC0 foot
Sample branch pressure voltage.
In exciting current sampling module（8）In, resistance RS, IC 3, resistance R10 and electric capacity C11 composition electric current electricity
Voltage conversion circuit, RA4 foot does overvoltage judgement, and RC3 foot does voltage and adopts.
In LIN communication module（9）In, LINbus bus connects PIN9 foot, and C3 electric capacity does filtering and filters spike interference, maintains
The stablizing of LINbus bus.
The operation principle of this single-chip microcomputer LIN communication adjustment device is：
Actuator can be activated by LINbus wake-up signal.When electromotor is inoperative, if no logical in LIN bus
News, actuator will enter holding state.
After activation and during generator operation, then actuator will enter pre-excitation state.In this condition, output stage will be with
Certain dutycycle carries out impulse modulation, so that it is guaranteed that having enough excitations to induce detectable tach signal.Thus ensureing
The accurate detection of rotating speed, and when rotating speed exceedes threshold value, actuator enters into adjustment state.In pre-excitation state, export
Level carries out impulse modulation with the dutycycle of the frequency of 25Hz and 25%.
When setting value Uset ≠ 10,6 V, and when rotating speed exceedes startup rotation speed threshold values, actuator can proceed to regulation shape
State.Dutycycle initial value is equal to the blind area value sending by LIN.Then dutycycle will be according on adjusted load response
The time of liter is adjusted（In the case of load response activation）.
In order to ensure the correct detection in startup stage phase signals, dutycycle will be adjusted by phase voltage regulatory function
Section（Phase voltage regulatory function will have precedence over load response function）.This function can be by duty cycle adjustment to 50%, to ensure to produce foot
Enough phase voltage amplitudes.After reaching this threshold value, dutycycle will be adjusted again through load response function.
If actuator is the number of being believed（By rotor remanence）Activate and detect rotating speed and already exceed limit value
When, then actuator can enter emergency start program.In emergency start program process, phase voltage can be adjusted to a regulation
Value, to guarantee to monitor emergency start speed.When rotating speed is detected and alreading exceed emergency start rotary speed threshold value, actuator
Enter adjustment state and press the work of default setting value.
Claims (2)
1. a kind of SCM Based LIN communicates voltage regulator for automobile, powers mould including Single-chip Controlling processing module, power supply
Block, B+ terminal voltage acquisition module, PWM exciting current drive module, 2 times of die blocks, phase signals processing module, temperature sampling moulds
Block, exciting current sampling module and LIN communication module it is characterised in that：Power supply module, B+ terminal voltage acquisition module, PWM
Exciting current drive module, 2 times of die blocks, phase signals processing module, temperature sampling module, exciting current sampling module and LIN
Communication module is connected with Single-chip Controlling processing module；Power supply module is made up of diode D2 and C1, and diode D2 connects electricity
Source positive pole B+ end, diode D2 unilateal conduction, C1 is filter capacitor, C1 and diode D2 public termination IC 1
PIN11 foot；PIN10 foot meets electric capacity C2 to E, and PIN10 foot exports 5V voltage；
In described PWM exciting current drive module, the PIN5 foot output pwm signal of IC 1, its pwm signal
Frequency Design is 200HZ, and dutycycle size changes with generator loading and B+ terminal voltage, and PIN5 foot signal passes through switching tube Q3
Control the grid of metal-oxide-semiconductor Q1 with Q4, the drain electrode of Q1 is F end output pwm signal, control exciter current of generator；
In B+ terminal voltage acquisition module, resistance R1, resistance R2, electric capacity C4 and voltage stabilizing ZD1 composition B+ voltage processing circuitry, resistance
R1 and resistance R2 carries out partial pressure to B+ voltage, and electric capacity C4 is filtered to B+ voltage processing, and Zener diode ZD1 is to beyond 5V's
Voltage carries out voltage stabilizing, and the signal handled well sends into PIN14 foot；
In 2 times of die blocks by resistance R18, resistance R19, resistance R20, resistance R21, electric capacity C9, electric capacity C10 and diode D3 group
Become, PIN2 foot output high frequency square wave controls audion Q5 high-speed switch, by unilateral conduction and the electric capacity C9 two of diode D3
Terminal voltage can not be mutated, 2 times that the voltage of electric capacity C10 is raised as B+ terminal voltage, and the grid for Q1 provides driving voltage；
In Single-chip Controlling processing module, single-chip microcomputer uses the PIC16F1829LIN of Microchip, PIC16F1829LIN foot
VDD is powered using 5V, and PIN20 foot VSS is grounded, and RA2, RA3, RC1 foot does not use, and is set to C1 comparator module inside RC3 foot
Negative pole, RC3 foot inputs the F terminal voltage sampled signal of PWM exciting current control module, is set to ADC channel inside RA4, input
The F terminal voltage sampled signal of PWM exciting current control module, RA5 exports digital level, exports high-frequency square-wave signal；RC5 foot is defeated
Go out pwm signal to PWM exciting current control module, RC4 exports digital level, powers to IC 3, PIN9 foot connects
LINbus communication interface, is set to ADC channel, the voltage signal of input B+ voltage sample module, sets inside RC0 foot inside RC2
Be set to ADC channel, the voltage signal of input temp sampling module, be set to inside RA0 and RA1 foot digital I/O port interrupt, RA0 and
RA1 foot connects Phase signal processing module；
In phase signals processing module, resistance R16, resistance R15, resistance R17, resistance R12, resistance R13, resistance R14, resistance
R11, electric capacity C6, electric capacity C7, electric capacity C8 and IC 2 component frequency process part, sample phase signals frequently by RA0 mouth
Rate, resistance R23, audion Q2, electric capacity C12 and Zener diode ZD3 composition voltage process part, believed by the sampling of RA1 mouth
Number voltage；
In temperature sampling module, bleeder circuit is formed by critesistor R22 and conventional, electric-resistance R8, by RC0 foot sampling partial pressure
Voltage；
In exciting current sampling module, resistance RS, IC 3, resistance R10 and electric capacity C11 composition current/voltage conversion
Circuit, RA4 foot does overvoltage judgement, and RC3 foot does voltage and adopts；
In LIN communication module, LINbus bus connects PIN9 foot, and C3 electric capacity does filtering and filters spike interference, maintains LINbus total
The stablizing of line.
2. a kind of SCM Based LIN communication voltage regulator for automobile according to claim 1 is it is characterised in that described
Microchip PIC16F1829LIN single-chip microcomputer selected by single-chip microcomputer, and it supports 10,9 tunnel ADC, 2 road comparators, and FVR is with reference to electricity
Die block, 2 tunnel enhancement mode 10 PWM, 48 bit timing devices, 1 16 bit timing device, T1G gate control function, hardware supported
LIN1.3, LIN2.1 agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513946.2U CN205983065U (en) | 2016-05-31 | 2016-05-31 | LIN communication car voltage regulator based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620513946.2U CN205983065U (en) | 2016-05-31 | 2016-05-31 | LIN communication car voltage regulator based on singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205983065U true CN205983065U (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620513946.2U Expired - Fee Related CN205983065U (en) | 2016-05-31 | 2016-05-31 | LIN communication car voltage regulator based on singlechip |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938340A (en) * | 2016-05-31 | 2016-09-14 | 江苏云意电气股份有限公司 | LIN communication automobile voltage regulator based on single-chip microcomputer |
| CN109379010A (en) * | 2018-10-30 | 2019-02-22 | 江苏云意电气股份有限公司 | One kind being based on BSS communication type intelligent power controller chip |
| CN110426557A (en) * | 2019-08-14 | 2019-11-08 | 江苏云意电气股份有限公司 | A kind of IGBT drive circuit and detection method of integrated Insulation monitoring |
| CN111525856A (en) * | 2020-05-27 | 2020-08-11 | 江苏云意电气股份有限公司 | Generator voltage regulator based on P-channel MOSFET control |
| CN112234885A (en) * | 2020-11-03 | 2021-01-15 | 江苏云意电气股份有限公司 | 24V permanent magnet synchronous generator voltage regulator |
| CN112286271A (en) * | 2020-10-28 | 2021-01-29 | 江苏云意电气股份有限公司 | BSS communication low-drive voltage regulator based on single chip microcomputer |
-
2016
- 2016-05-31 CN CN201620513946.2U patent/CN205983065U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938340A (en) * | 2016-05-31 | 2016-09-14 | 江苏云意电气股份有限公司 | LIN communication automobile voltage regulator based on single-chip microcomputer |
| CN105938340B (en) * | 2016-05-31 | 2018-06-15 | 江苏云意电气股份有限公司 | A kind of SCM Based LIN communications voltage regulator for automobile |
| CN109379010A (en) * | 2018-10-30 | 2019-02-22 | 江苏云意电气股份有限公司 | One kind being based on BSS communication type intelligent power controller chip |
| CN110426557A (en) * | 2019-08-14 | 2019-11-08 | 江苏云意电气股份有限公司 | A kind of IGBT drive circuit and detection method of integrated Insulation monitoring |
| CN111525856A (en) * | 2020-05-27 | 2020-08-11 | 江苏云意电气股份有限公司 | Generator voltage regulator based on P-channel MOSFET control |
| CN112286271A (en) * | 2020-10-28 | 2021-01-29 | 江苏云意电气股份有限公司 | BSS communication low-drive voltage regulator based on single chip microcomputer |
| CN112234885A (en) * | 2020-11-03 | 2021-01-15 | 江苏云意电气股份有限公司 | 24V permanent magnet synchronous generator voltage regulator |
| CN112234885B (en) * | 2020-11-03 | 2022-06-07 | 江苏云意电气股份有限公司 | 24V permanent magnet synchronous generator voltage regulator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20210531 |