CN102645912A - Pure electric vehicle controller with anti-electromagnetic interference capability - Google Patents
Pure electric vehicle controller with anti-electromagnetic interference capability Download PDFInfo
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- CN102645912A CN102645912A CN2011100389266A CN201110038926A CN102645912A CN 102645912 A CN102645912 A CN 102645912A CN 2011100389266 A CN2011100389266 A CN 2011100389266A CN 201110038926 A CN201110038926 A CN 201110038926A CN 102645912 A CN102645912 A CN 102645912A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a pure electric vehicle controller with an anti-electromagnetic interference capability, which comprises a power source interface module, an input interface module, an analog-to-digital converting interface module, a digital-to-analog converting interface module, a K-wire interface module, a CAN (Control Area Network) communication interface module and an output interface module, and is characterized in that an anti-electromagnetic interference circuit is arranged in each interface module. According to the controller disclosed by the invention, interference of electromagnetic conduction and electromagnetic radiation on the vehicle controller under the environment of an electric vehicle can be effectively resisted, and reliability and safety of the vehicle controller in use are improved.
Description
Technical field
The present invention relates to a kind of pure electric automobile entire car controller, particularly a kind of pure electric automobile entire car controller with anti-electromagnetic interference capability.
Background technology
The entire car controller ECU of orthodox car is mainly used in the electronic equipment control of 12 volts of low-tension supplies, and producing electromagnetic interference source mainly is high-tension ignition system, various inductive load (like the electric machinery electric component), various Switch parts (like flashing relay), various electronic control unit ECU even various light fixture, wireless device etc.; The interference that these parts produce also can cause at automotive interior and influence each other, relative orthodox car, and the electromagnetic interference problem of electric automobile is even more serious; Because electric automobile not only has the low-voltage electronic product, and high-tension high-power automotive electronics parts are arranged, also will carry out variable frequency regulating speed control; Like drive motor and controller etc., power supply voltage level is all possible from 36 volts to 600 volts, under this abominable electromagnetic pollution environment; The main interference channel of automobile high and low pressure electronic equipment interference source is: inductive load produces along the interference of power lead conduction, and the various inductive loads that use in the automobile are when power supply is cut off suddenly; Can produce adverse transients voltage; The initial energy storage of coil is big more, and turn-off speed is fast more, and transient over-voltage is just high more; Though this type do not have continuity in disturbing; But the amplitude of its transient voltage is quite big, can cause electronic module to have a strong impact on, even damage; Static discharge is to the interference of electronic unit in the car; After static is stored into to a certain degree, can passes through atmospherical discharges, even have the spark generation; This static discharge disturbs characteristics high voltage, short time, Weak current; Its disturbing effect degree is huge, can make some electronic control units produce misoperation, and serious meeting damages electronic unit; The interference that intercouples between parts or cable often is bundled into various cables in the automobile and a branch ofly arranges that along automobile inner side the transition interference in the power lead can bring disaster upon and be incorporated in signal wire or the control line, forms difference mode signal, can exert an influence to electronic modules such as ECU in the car; Radiation interference, the electromagenetic wave radiation form of interfering energy.Increase at the electric automobile electromagnetic interference source, interference strength is wide on a large scale, interference channel is widely under the rugged surroundings, entire car controller reliability and poor stability.
Summary of the invention
The object of the present invention is to provide a kind of pure electric automobile entire car controller, to improve reliability and the security in the entire car controller use under abominable electromagnetic interference environment to pure electric automobile with anti-electromagnetic interference capability.
In order to achieve the above object; The invention provides a kind of pure electric automobile entire car controller with anti-electromagnetic interference capability; Comprise power supply interface module, input interface module, analog to digital conversion interface module, digital-to-analog conversion interface module, K line interface module, CAN communication interface module, output interface module; It is characterized in that, be provided with anti-electromagnetic interference (EMI) circuit in said each interface module.
Entire car controller of the present invention; Wherein in said power supply interface module; Behind TVS pipe, anti-reverse power supply diode circuit; Between positive source and negative pole, add common mode, the anti-high-frequency interferencing circuit of differential mode inductance, pass through capacitor filter again, supply power to subsequent conditioning circuit through the insulating power supply modular circuit at last.
Entire car controller of the present invention; Wherein in said input interface module; Automotive electronics switching value input signal at first gets into the optical coupling isolator input end through resistance current limliting, capacitor filter, is input to one-chip machine port through the coupling of isolator high speed optoelectronic, amplification, filtering.
Entire car controller of the present invention; Wherein in said analog to digital conversion interface module; Current limliting, voltage stabilizing amplitude limit, rc filter circuit are at first passed through in the simulating signal input, pass through linear optical coupling isolation, amplification, filtering circuit then, get into single-chip microcomputer collection, processing at last.
Entire car controller of the present invention; Wherein in said digital-to-analog conversion interface module; The digital signal of coming out from single-chip microcomputer through D/A chip conversion process after, drive amplification, filtering circuit, TVS protection of pipe, linear optical coupling buffer circuit output analog quantity through amplifier and give external interface.
Entire car controller of the present invention; Wherein in said K line interface module; After the K communication sending and receiving signal of single-chip microcomputer is isolated through optical coupling isolator; Be sent to the Transmitting and Receiving End of K transceiving chip, the K line end carries out K through capacitance-resistance filter, TVS tube protective circuit with external interface communicates by letter, and the power supply of SCM system and K transceiving chip adopts isolation module.
Entire car controller of the present invention; Wherein said CAN communication interface module comprises power system CAN communication interface module and infosystem CAN communication interface module; In said power system CAN communication interface module and infosystem CAN communication interface module; After the CAN communication sending and receiving signal of single-chip microcomputer is isolated through optical coupling isolator; Be sent to the Transmitting and Receiving End of CAN transceiving chip, the high and low end of CAN carries out CAN through common mode inductance, electric capacity capacitor filter, TVS tube protective circuit with external interface communicates by letter, and the power supply of SCM system and CAN transceiving chip adopts isolation module.
Entire car controller of the present invention; Wherein in said output interface module; From the control signal of single-chip microcomputer output through current limliting, high speed photo coupling isolator drive amplify, filtering circuit, realize control external unit break-make, driving, high speed photo coupling is isolated and is used external power source, loop externally.
Entire car controller of the present invention also comprises a house dog circuit module; In said watchdog circuit module; Give the watchdog chip feeding-dog signal from the feeding-dog signal that single-chip microcomputer sends through logic chip; Watchdog chip is monitored supply voltage, power-on reset signal simultaneously; Whether watchdog circuit judges that the output reset signal to the single-chip microcomputer reseting port, realizes that hardware watchdog resets through regularly exporting after reset signal, voltage monitoring signal, dog signal are handled to logic chip.
The present invention is through adding anti-jamming circuit in each interface module circuit of entire car controller; Take to suppress interference source, cut off the interferencing propagation path, improve the interfering effective measures of Sensitive Apparatus; Effectively resist electromagnetism conduction under the electric automobile environment, electromagnetic radiation interference, improve reliability and the security of entire car controller in using entire car controller.
Description of drawings
Fig. 1 is the synoptic diagram of entire car controller among the present invention and each interface module thereof;
Fig. 2 is for having added the circuit diagram of power supply interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 3 is for having added the circuit diagram of input interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 4 is for having added the circuit diagram of analog to digital conversion interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 5 is for having added the circuit diagram of digital-to-analog conversion interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 6 is for having added the circuit diagram of K line interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 7 is for having added the circuit diagram of power system CAN communication interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 8 is for having added the circuit diagram of infosystem CAN communication interface module one embodiment of anti-jamming circuit among the present invention;
Fig. 9 is for having added the circuit diagram of output interface module one embodiment of anti-jamming circuit among the present invention;
Figure 10 is the circuit diagram of watchdog circuit module one embodiment among the present invention.
Figure elements meets explanation
1. 2. 3. analog to digital conversion interface module of input interface module of power supply interface module
4. digital-to-analog conversion interface module is K line interface module 5.
6. 7. infosystem CAN communication interface module of power system CAN communication interface module
8. 9. watchdog circuit module of output interface module
Embodiment
To describe specific embodiment of the present invention in detail below.Should be noted that the embodiments described herein only is used to illustrate, be not limited to the present invention.
Please with reference to Fig. 1; Be the synoptic diagram of entire car controller among the present invention and each interface module thereof, wherein 9 interface modules are respectively: power supply interface module 1., input interface module 2., the analog to digital conversion interface module 3., the digital-to-analog conversion interface module 4., K line interface module 5., power system CAN communication interface module 6., infosystem CAN communication interface module 7., 9. 8. output interface module reach the watchdog circuit module.
Please with reference to Fig. 2-Figure 10; Explain respectively that according to 9 interface module circuit theory diagrams of entire car controller each module that has added anti-electromagnetic interference (EMI) circuit reaches method how to implement anti-electromagnetic interference (EMI): 1, power interface circuit anti-interference method; At first through behind TVS pipe, the anti-reverse power supply diode circuit; At positive source and negative pole through adding common mode, the anti-high-frequency interferencing circuit of differential mode inductance; Pass through capacitor filter again; Give mimic channel, digital circuitry power supply through the insulating power supply modular circuit at last, can resist the high-frequency interferencing signal that seals in radiation such as thunder and lightning, electric arc, broadcasting station from power lead like this, and also can cut off the crosstalk signal that gets into through power lead; 2, input interface circuit anti-interference method; Automotive electronics switching value input signal at first gets into the optical coupling isolator input end through resistance current limliting, capacitor filter; Be input to one-chip machine port through the coupling of isolator high speed optoelectronic, amplification, filtering; Realize the insulation blocking of external switch amount signal and SCM system like this, effectively cut off input signal through the crosstalk path of SCM system of lead, enhancing antijamming capability; 3, analog to digital conversion interface circuit anti-interference method; Current limliting, voltage stabilizing amplitude limit, rc filter circuit are at first passed through in the simulating signal input; Pass through linear optical coupling isolation, amplification, filtering circuit then, get into single-chip microcomputer collection, processing at last, realize the insulation blocking of external analog amount input signal and SCM system like this; Effectively cut off the analog quantity input signal through the crosstalk path of SCM system of lead, strengthen antijamming capability; 4, digital-to-analog conversion interface circuit anti-interference method; The digital signal of coming out from single-chip microcomputer through D/A chip conversion process after; Drive amplification, filtering circuit, TVS protection of pipe, linear optical coupling buffer circuit output analog quantity to external interface through amplifier; Realize the insulation blocking of output analog quantity and SCM system like this, effectively cut off external signal through the crosstalk path of SCM system of lead, enhancing antijamming capability; 5, K line interface circuit anti-interference method; After the K communication sending and receiving signal of single-chip microcomputer is isolated through optical coupling isolator; Be sent to the Transmitting and Receiving End of K transceiving chip, the K line end carries out K through capacitance-resistance filter, TVS tube protective circuit with external interface communicates by letter, and the power supply of SCM system and K transceiving chip adopts isolation module; Adopt Signal Spacing, power isolation circuit can effectively cut off outside K signal of communication like this, strengthen antijamming capability through the crosstalk path of SCM system of lead; 6, power system CAN communication interface circuit anti-interference method; After the CAN communication sending and receiving signal of single-chip microcomputer is isolated through optical coupling isolator; Be sent to the Transmitting and Receiving End of CAN transceiving chip; The high and low end of CAN carries out CAN with external interface and communicates by letter through common mode inductance, electric capacity capacitor filter, TVS tube protective circuit; The power supply of SCM system and CAN transceiving chip adopts isolation module, adopts Signal Spacing, power isolation circuit can effectively cut off outside CAN signal of communication through the crosstalk path of SCM system of lead like this, strengthens antijamming capability; 7, infosystem CAN communication interface circuit anti-interference method is identical with 6.; 8, output interface circuit anti-interference method; Control signal process current limliting, the amplification of high speed photo coupling isolator drive, filtering circuit from single-chip microcomputer output; Realize control external unit break-make, driving; High speed photo coupling isolate to use external power source, loop externally, adopts Signal Spacing, power isolation circuit can effectively cut off external signal through the crosstalk path of SCM system of lead like this, strengthens antijamming capability; 9, watchdog circuit module and anti-interference method thereof; Give the watchdog chip feeding-dog signal from the feeding-dog signal that single-chip microcomputer sends through logic chip; Watchdog chip is monitored supply voltage, power-on reset signal simultaneously; Whether watchdog circuit judges that the output reset signal to the single-chip microcomputer reseting port, realizes that hardware watchdog resets through regularly exporting after reset signal, voltage monitoring signal, dog signal are handled to logic chip, can realize SCM system electrification reset, power-down data protection, voltage monitoring, the anti-deadlock function of program run like this; The assurance system is reliable, the stability operation, strengthens antijamming capability.
Though described the present invention with reference to above-mentioned exemplary embodiments, should be appreciated that used term is explanation and exemplary and nonrestrictive term.Because the present invention's practical implementation and do not break away from the spirit or the essence of invention in a variety of forms; So be to be understood that; The foregoing description is not limited to any aforesaid details; And should in enclose spirit that claim limited and scope, explain widely, therefore fall into whole variations and remodeling in claim or its equivalent scope and all should be the claim of enclosing and contain.
Claims (9)
1. pure electric automobile entire car controller with anti-electromagnetic interference capability; Comprise power supply interface module, input interface module, analog to digital conversion interface module, digital-to-analog conversion interface module, K line interface module, CAN communication interface module, output interface module; It is characterized in that, be provided with anti-electromagnetic interference (EMI) circuit in said each interface module.
2. entire car controller as claimed in claim 1; It is characterized in that; In said power supply interface module, behind TVS pipe, anti-reverse power supply diode circuit, between positive source and negative pole, add common mode, the anti-high-frequency interferencing circuit of differential mode inductance; Pass through capacitor filter again, supply power to subsequent conditioning circuit through the insulating power supply modular circuit at last.
3. entire car controller as claimed in claim 1; It is characterized in that; In said input interface module; Automotive electronics switching value input signal at first gets into the optical coupling isolator input end through resistance current limliting, capacitor filter, is input to one-chip machine port through the coupling of isolator high speed optoelectronic, amplification, filtering.
4. entire car controller as claimed in claim 1; It is characterized in that in said analog to digital conversion interface module, current limliting, voltage stabilizing amplitude limit, rc filter circuit are at first passed through in the simulating signal input; Pass through linear optical coupling isolation, amplification, filtering circuit then, get into single-chip microcomputer collection, processing at last.
5. entire car controller as claimed in claim 1; It is characterized in that; In said digital-to-analog conversion interface module; The digital signal of coming out from single-chip microcomputer through D/A chip conversion process after, drive amplification, filtering circuit, TVS protection of pipe, linear optical coupling buffer circuit output analog quantity through amplifier and give external interface.
6. entire car controller as claimed in claim 1; It is characterized in that; In said K line interface module, after the K of single-chip microcomputer communication sending and receiving signal is isolated through optical coupling isolator, be sent to the Transmitting and Receiving End of K transceiving chip; The K line end carries out K through capacitance-resistance filter, TVS tube protective circuit with external interface communicates by letter, and the power supply of SCM system and K transceiving chip adopts isolation module.
7. entire car controller as claimed in claim 1; It is characterized in that; Said CAN communication interface module comprises power system CAN communication interface module and infosystem CAN communication interface module; In said power system CAN communication interface module and infosystem CAN communication interface module, after the CAN of single-chip microcomputer communication sending and receiving signal is isolated through optical coupling isolator, be sent to the Transmitting and Receiving End of CAN transceiving chip; The high and low end of CAN carries out CAN through common mode inductance, electric capacity capacitor filter, TVS tube protective circuit with external interface communicates by letter, and the power supply of SCM system and CAN transceiving chip adopts isolation module.
8. entire car controller as claimed in claim 1; It is characterized in that; In said output interface module; From the control signal of single-chip microcomputer output through current limliting, high speed photo coupling isolator drive amplify, filtering circuit, realize control external unit break-make, driving, high speed photo coupling is isolated and is used external power source, loop externally.
9. entire car controller as claimed in claim 1 is characterized in that, also comprises a house dog circuit module; In said watchdog circuit module; Give the watchdog chip feeding-dog signal from the feeding-dog signal that single-chip microcomputer sends through logic chip; Watchdog chip is monitored supply voltage, power-on reset signal simultaneously; Whether watchdog circuit judges that the output reset signal to the single-chip microcomputer reseting port, realizes that hardware watchdog resets through regularly exporting after reset signal, voltage monitoring signal, dog signal are handled to logic chip.
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| CN2011100389266A CN102645912A (en) | 2011-02-16 | 2011-02-16 | Pure electric vehicle controller with anti-electromagnetic interference capability |
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| CN2011100389266A CN102645912A (en) | 2011-02-16 | 2011-02-16 | Pure electric vehicle controller with anti-electromagnetic interference capability |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458569A (en) * | 2013-07-29 | 2013-12-18 | 兰州吉利汽车工业有限公司 | Automobile optical fiber illumination engine |
| CN105304018A (en) * | 2015-11-13 | 2016-02-03 | 苏州扬佛自动化设备有限公司 | Interaction display screen control circuit |
| CN106647427A (en) * | 2015-11-04 | 2017-05-10 | 江苏嘉钰新能源技术有限公司 | Intelligent I/O card applied to detection equipment |
| CN107340439A (en) * | 2017-05-18 | 2017-11-10 | 扬子江汽车集团有限公司 | A kind of off-grid detection means of trolleybus |
| CN108073110A (en) * | 2017-12-28 | 2018-05-25 | 上海神力科技有限公司 | A kind of multifunctional fuel battery testing platform controller |
| CN108279656A (en) * | 2018-03-27 | 2018-07-13 | 杭州泓创新能源有限公司 | Vehicle traction intelligent controlling device |
| CN108716319A (en) * | 2018-08-01 | 2018-10-30 | 珠海格力电器股份有限公司 | Intelligent door lock, and power supply method and device for intelligent door lock |
| CN109521719A (en) * | 2019-01-14 | 2019-03-26 | 深圳灿态信息技术有限公司 | Intelligent collector |
| CN110837237A (en) * | 2019-10-17 | 2020-02-25 | 北京南瑞怡和环保科技有限公司 | Fire collection control device |
| CN111781916A (en) * | 2020-07-01 | 2020-10-16 | 东风越野车有限公司 | Anti-electromagnetic interference integrated controller for whole vehicle |
| CN112564848A (en) * | 2020-11-26 | 2021-03-26 | 珠海格力电器股份有限公司 | Interference signal filtering device, automobile and interference signal filtering method of automobile |
| CN112838574A (en) * | 2020-12-01 | 2021-05-25 | 东风越野车有限公司 | Anti-electromagnetic interference vehicle-mounted controller circuit |
| CN114338566A (en) * | 2021-12-27 | 2022-04-12 | 天津聚芯光禾科技有限公司 | Exchange control system with high reliability and electromagnetic compatibility |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458569A (en) * | 2013-07-29 | 2013-12-18 | 兰州吉利汽车工业有限公司 | Automobile optical fiber illumination engine |
| CN106647427A (en) * | 2015-11-04 | 2017-05-10 | 江苏嘉钰新能源技术有限公司 | Intelligent I/O card applied to detection equipment |
| CN105304018A (en) * | 2015-11-13 | 2016-02-03 | 苏州扬佛自动化设备有限公司 | Interaction display screen control circuit |
| CN107340439A (en) * | 2017-05-18 | 2017-11-10 | 扬子江汽车集团有限公司 | A kind of off-grid detection means of trolleybus |
| CN108073110A (en) * | 2017-12-28 | 2018-05-25 | 上海神力科技有限公司 | A kind of multifunctional fuel battery testing platform controller |
| CN108073110B (en) * | 2017-12-28 | 2024-04-23 | 上海神力科技有限公司 | Multifunctional fuel cell test board controller |
| CN108279656B (en) * | 2018-03-27 | 2023-07-25 | 杭州泓创新能源有限公司 | Intelligent control device for vehicle driving |
| CN108279656A (en) * | 2018-03-27 | 2018-07-13 | 杭州泓创新能源有限公司 | Vehicle traction intelligent controlling device |
| CN108716319A (en) * | 2018-08-01 | 2018-10-30 | 珠海格力电器股份有限公司 | Intelligent door lock, and power supply method and device for intelligent door lock |
| CN109521719A (en) * | 2019-01-14 | 2019-03-26 | 深圳灿态信息技术有限公司 | Intelligent collector |
| CN109521719B (en) * | 2019-01-14 | 2023-09-26 | 深圳灿态信息技术有限公司 | Intelligent collector |
| CN110837237A (en) * | 2019-10-17 | 2020-02-25 | 北京南瑞怡和环保科技有限公司 | Fire collection control device |
| CN111781916A (en) * | 2020-07-01 | 2020-10-16 | 东风越野车有限公司 | Anti-electromagnetic interference integrated controller for whole vehicle |
| CN112564848A (en) * | 2020-11-26 | 2021-03-26 | 珠海格力电器股份有限公司 | Interference signal filtering device, automobile and interference signal filtering method of automobile |
| CN112838574A (en) * | 2020-12-01 | 2021-05-25 | 东风越野车有限公司 | Anti-electromagnetic interference vehicle-mounted controller circuit |
| CN114338566A (en) * | 2021-12-27 | 2022-04-12 | 天津聚芯光禾科技有限公司 | Exchange control system with high reliability and electromagnetic compatibility |
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Application publication date: 20120822 |