CN105373113A - Electric vehicle body control system - Google Patents
Electric vehicle body control system Download PDFInfo
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- CN105373113A CN105373113A CN201510767368.5A CN201510767368A CN105373113A CN 105373113 A CN105373113 A CN 105373113A CN 201510767368 A CN201510767368 A CN 201510767368A CN 105373113 A CN105373113 A CN 105373113A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses an electric vehicle body control system, which comprises an input signal acquisition module, an electronic control unit, a load driving module, a central control module, and a power module, wherein the central control module processes voltage signals of the input signal acquisition module, electric signals of the electronic control unit and CAN signals to control the load driving module. According to the electric vehicle body control system, integration is high; a BCM control module can directly load according to the received signals; through adopting a BCM integrated control mode, the use amount of a vehicle body wire harnesses can be greatly reduced; the vehicle space and the overall weight are saved; fault self diagnosis and over current protection functions are provided; the fault rate of the overall vehicle is greatly reduced; and the BCM control module and the electronic control unit together manage the power module, thereby enhancing safety of the overall vehicle.
Description
Technical field
The present invention relates to Body Control and automotive safety technology, particularly relate to a kind of electric automobile body control system.
Background technology
Automobile is modern instrument, and along with the development of auto industry, people require more and more higher to the comfortableness of automobile, and in automobile, corresponding electronic control module and wire harness increase, and make the reliability decrease of automotive control system, cost increases and needs more multiple resource.Body control system mainly adopts the central control module centered by car body controller and distributed Body Control mode both at home and abroad at present.
For distributed Body Control mode, its each load (hardware module) is controlled by independent control corresponding thereto, although this kind of control mode comparatively can be easy to maintenance when it breaks down, but, the hardware cost of this control mode is higher, and be unfavorable for the simplifying of vehicle body, the development space of restricting vehicle comfortableness.
At present, the central control module centered by car body controller, although preferably can save hardware cost, once break down, fault is not easily investigated, cumbersome to the location of fault, makes maintenance cost higher.If software aspect goes wrong, after software maintenance completes, components supplying business also needs to carry out hardware testing to all functions of car body controller, and car load factory also will carry out car load integration testing, makes maintenance cycle longer, further increase maintenance cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, design a kind of electric automobile body control system, solve automotive wire bundle complexity, fault and not easily to investigate and power supply the situation of improper power down occurs thus affects the problem of vehicle security.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of electric automobile body control system, comprise the input signal acquisition module for generation of voltage signal and lamp failure feedback signal, for identifying the operation of Intelligent key and being converted into electric signal and the electronic control unit detecting power module power supply state, load driver module, for processing the central control module of control load driver module to the voltage signal of input signal acquisition module and the electric signal of electronic control unit and CAN signal, for providing the power module of power supply to electric automobile, described lamp failure feedback signal sends into central control module, fault feedback signal stores and by CAN, fault feedback signal is sent to CAN network by central control module, described CAN network is connected with central control module by CAN, the power supply state of power module is converted to handshake and sends central control module to by described electronic control unit, central control module controls power module according to the handshake received.
Further, also comprise sensor assembly, it is induced signal that described sensor assembly is used for the State Transferring of load, and central control module controls load driver module according to the induced signal received.
Further, described sensor assembly comprises the door lock sensor for detecting door lock motor status, for detecting the vehicle window sensor of vehicle window motor status, for detecting the rain sensor of extraneous rainfall power.
Further, described input signal acquisition module comprises wiper switch, rearview mirror folding switch, lamp switch, car window switch, boot switch, central controlled lock switch, bonnet switch, a key starting switch, hydropac lamp switch, described lamp failure feedback signal comprise steering indicating light, daytime portable lighter, backup lamp, Rear Fog Lamp fault feedback signal, described steering indicating light fault feedback signal imports central control module into, and central control module controls corresponding load driver module while it is sent to CAN network by CAN.
Further, described central control module is BCM control module.
Further, described load driver module comprises rain shaving electrical machine, door-lock motor, rearview mirror motor, light fixture motor, Car window electric machine, baggage compartment lock motor, loudspeaker driving, fills lid motor, hydropac lamp soon.
Positive beneficial effect of the present invention:
1, integrated level of the present invention is high, and BCM control module can directly load according to the signal received, and by the use amount adopting the central controlled mode of BCM to greatly reduce body harness, saves the weight of motor space and car load.
2, the present invention has the function of fault self-diagnosis, overcurrent protection; greatly reduce the failure rate of car load, can help and point out maintenance personal to diagnose in the very first time reason that is out of order by the memory of the memory to Self-fault diagnosis code, lamp failure feedback information code.
3, the present invention has power management function, and BCM control module and electronic control unit manage power module jointly, reduces the possibility of improper power down in vehicle traveling, adds the security of car load.
Accompanying drawing explanation
Fig. 1 is one of system principle diagram of the present invention
Fig. 2 is system principle diagram two of the present invention.
Embodiment
Specific embodiments of the invention are illustrated below in conjunction with accompanying drawing.
Embodiment one, see Fig. 1, a kind of electric automobile body control system, comprise the input signal acquisition module for generation of voltage signal and lamp failure feedback signal, for identifying the operation of Intelligent key and being converted into electric signal and the electronic control unit detecting power module power supply state, load driver module, for processing the central control module of control load driver module to the voltage signal of input signal acquisition module and the electric signal of electronic control unit and CAN signal, for providing the power module of power supply to electric automobile, described lamp failure feedback signal sends into central control module, fault feedback signal stores and by CAN, fault feedback signal is sent to CAN network by central control module, described CAN network is connected with central control module by CAN, the power supply state of power module is converted to handshake and sends central control module to by described electronic control unit, central control module controls power module according to the handshake received.
Further, described input signal acquisition module comprises wiper switch, rearview mirror folding switch, lamp switch, car window switch, boot switch, central controlled lock switch, bonnet switch, a key starting switch, hydropac lamp switch, described lamp failure feedback signal comprise steering indicating light, daytime portable lighter, backup lamp, Rear Fog Lamp fault feedback signal, described steering indicating light fault feedback signal imports central control module into, and central control module controls corresponding load driver module while it is sent to CAN network by CAN.
Further, described load driver module comprises rain shaving electrical machine, door-lock motor, rearview mirror motor, light fixture motor, Car window electric machine, baggage compartment lock motor, loudspeaker driving, fills lid motor, hydropac lamp soon.
Lamp switch comprises left and right, front and back turning indicator control, left and right portable lighter in daytime switch, left and right BLS, left and right rear fog lamp switch, front fog lamp switch, main furnace building light switch, dipped headlights switch, position lamp switch, each functional switch is vacant state when access failure, when contacting, BCM can recognize low level signal (each dwell time need continue more than 40ms BCM and just think that operation effectively for this reason).
Car window switch comprises left front, left back, right front, right back car window switch, and each shift knob is divided into three gears, is respectively rising, decline, automatically declines.BCM, by judging that the resistance of turn on-switch judges the operation of switch, drives the rotating of Car window electric machine, thus drives the rising of glass for vehicle window, decline and automatically decline.When there is the less situation of overvoltage, overcurrent, short circuit, open circuit, electric current, BCM can judge it rapidly and the malfunction of motor is dealt in CAN network.
Rearview mirror folding switch comprises left and right rearview mirror folding switch, when pressing rearview mirror folding switch button, the both positive and negative polarity of switch contact can switch, will send a different magnitude of voltage (each dwell time need continue more than 40ms BCM and just think that operation effectively for this reason) to BCM, BCM can drive according to different magnitudes of voltage rearview mirror to fold motor and operate accordingly.When rearview mirror is folding or launch to put in place, the control circuit of inside rear-view mirrors can be about to dump certainly.
Boot switch is from return switch, when the contacting of switch, a low level trigger pip (each dwell time need continue more than 40ms BCM and just think that operation effectively for this reason) can be sent to BCM, BCM can according to the low level signal received, drive luggage case motor, open luggage case.Central controlled lock switch is also from return switch, when left front door door lock is at lockup state, presses middle control switch, and four door locks can unlock by BCM; When left front door door lock is at released state, press middle control switch, BCM can by four door lock lockings.
Bonnet switch is used for controlling the unlatching of bonnet, and when bonnet is closed, bonnet switch is vacant state, and when bonnet is opened, bonnet switch is low level state.One key starting switch is from return switch, switch is vacant state when access failure, when contacting, can send a low level trigger pip (each dwell time need continue more than 40ms BCM and just think that operation effectively for this reason) to BCM, BCM can operate accordingly according to the low level signal received.
During the contacting of hydropac switch, send a low level trigger pip to BCM.When pressing this button in hydropac lamp extinguishing situation, hydropac lamp can be opened; Open situation Xi'an when hydropac lamp and press this button, hydropac lamp can be closed.
Lamp failure feedback signal comprises left and right, front and back steering indicating light, left and right portable lighter in daytime, left and right backup lamp, left and right Rear Fog Lamp, light fixture self is with fault diagnosis functions, when light fixture non-fault, fault feedback pin exports the low level signal of 0-3V, when light fixture has fault, fault feedback pin exports the high level signal of 10-12V, BCM collects the change of level value, fault-signal can be stored and by CAN, fault feedback signal is sent to CAN network, then failure message can be sent to instrument, corresponding pilot lamp in instrument is bright, maintenance personal can be reminded to overhaul.When left and right, front and back steering indicating light break down, while fault-signal is sent in CAN network by BCM, BCM also can control left and right turn signal, changes its flicker frequency, and when after trouble shooting, the flicker frequency of left and right, front and back steering indicating light recovers normal.
PEPSECU is the abbreviation of ElectronicControlUnit, means electronic control unit, and function carries out identification to Intelligent key, if key is legal, then by CAN, corresponding operational order sent to BCM, then performs corresponding operation; If key is illegal, BCM then can enter sleep pattern, refuses the operation requests that this key sends.When BCM receives the control signal that PEPSECU sends, can control load driver module.PEPSECU also can control the power supply of power module, and power supply state is detected, PEPSECU can send handshake to BCM with the fixing cycle, when BCM continuous 3 cycles do not receive the handshake that PEPSECU sends, will take over and power module is controlled, namely to the control of ACC, IG1, IG2 relay, also can detect the electric power thus supplied of ACC, IG1, IG2 relay simultaneously, reduce car improper power down phenomenon in the process of moving.BCM is that bottom drives to the driving of ACC, IG1, IG2 relay.
Integrated level of the present invention is high, and BCM control module can directly load according to the signal received, and by the use amount adopting the central controlled mode of BCM to greatly reduce body harness, saves the weight of motor space and car load.And there is the function of fault self-diagnosis, overcurrent protection, greatly reduce the failure rate of car load, can help and point out maintenance personal to diagnose in the very first time reason that is out of order by the memory of the memory to Self-fault diagnosis code, lamp failure feedback information code.BCM control module and electronic control unit manage power module jointly, too increase the security of car load.
Embodiment two, participate in Fig. 2, the difference of the present embodiment and embodiment one is: in the present embodiment, autobody control system also comprises sensor assembly, it is induced signal that described sensor assembly is used for the State Transferring of load, and central control module controls load driver module according to the induced signal received.Described sensor assembly comprises the door lock sensor for detecting door lock motor status, and for detecting the vehicle window sensor of vehicle window motor status, for detecting the rain sensor of extraneous rainfall power, other embodiments are identical with embodiment one, specifically repeat no more.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that; Still can modify to the specific embodiment of the present invention or equivalent replacement is carried out to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (6)
1. an electric automobile body control system, it is characterized in that: comprise the input signal acquisition module for generation of voltage signal and lamp failure feedback signal, for identifying the operation of Intelligent key and being converted into electric signal and controlling power module and detect the electronic control unit of its power supply state, load driver module, for processing the central control module of control load driver module to the voltage signal of input signal acquisition module and the electric signal of electronic control unit and CAN signal, for providing the power module of power supply to electric automobile, described lamp failure feedback signal sends into central control module, fault feedback signal stores and by CAN, fault feedback signal is sent to CAN network by central control module, described CAN network is connected with central control module by CAN, the power supply state of power module is converted to handshake and sends central control module to by described electronic control unit, central control module controls power module according to the handshake received.
2. electric automobile body control system according to claim 1, it is characterized in that: also comprise sensor assembly, it is induced signal that described sensor assembly is used for the State Transferring of load, and central control module controls load driver module according to the induced signal received.
3. electric automobile body control system according to claim 2, it is characterized in that: described sensor assembly comprises the door lock sensor for detecting door lock motor status, for detecting the vehicle window sensor of vehicle window motor status, for detecting the rain sensor of extraneous rainfall power.
4. electric automobile body control system according to claim 1, it is characterized in that: described input signal acquisition module comprises wiper switch, rearview mirror folding switch, lamp switch, car window switch, boot switch, central controlled lock switch, bonnet switch, one key starting switch, hydropac lamp switch, described lamp failure feedback signal comprises steering indicating light, daytime portable lighter, backup lamp, Rear Fog Lamp fault feedback signal, described steering indicating light fault feedback signal imports central control module into, central control module controls corresponding load driver module while it is sent to CAN network by CAN.
5. the electric automobile body control system according to any one of claim 1,2,4, is characterized in that: described central control module is BCM control module.
6. electric automobile body control system according to claim 1, is characterized in that: described load driver module comprises rain shaving electrical machine, door-lock motor, rearview mirror motor, light fixture motor, Car window electric machine, baggage compartment lock motor, loudspeaker driving, fills lid motor, hydropac lamp soon.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510767368.5A CN105373113A (en) | 2015-11-11 | 2015-11-11 | Electric vehicle body control system |
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| CN201510767368.5A CN105373113A (en) | 2015-11-11 | 2015-11-11 | Electric vehicle body control system |
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Cited By (8)
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| CN105955244A (en) * | 2016-06-13 | 2016-09-21 | 宁波市鄞州雪利曼电子仪表有限公司 | Can bus system and control method thereof |
| CN106054863A (en) * | 2016-06-28 | 2016-10-26 | 芜湖莫森泰克汽车科技股份有限公司 | Automobile sunroof remote control function detection tool |
| CN106114418A (en) * | 2016-06-29 | 2016-11-16 | 北京兴科迪科技有限公司 | A kind of electrical control unit method and system |
| CN106193879A (en) * | 2016-07-26 | 2016-12-07 | 深圳市金证卡尔电子有限公司 | A kind of control device and method of the multi-functional anti-pinch of vehicle window Hall |
| CN106585562A (en) * | 2016-12-30 | 2017-04-26 | 昌辉汽车电气系统（安徽）有限公司 | Vehicular one-key baby comfortable locking system and control method thereof |
| CN108638951A (en) * | 2018-05-15 | 2018-10-12 | 重庆长安汽车股份有限公司 | A kind of automobile ushers in and out guest's system and method |
| CN111255334A (en) * | 2019-12-24 | 2020-06-09 | 浙江零跑科技有限公司 | Door controller based on high integration level and control system thereof |
| CN111706192A (en) * | 2020-06-24 | 2020-09-25 | 广州车马仕汽车配件有限责任公司 | Intelligent pneumatic switch of automobile engine cover |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955244A (en) * | 2016-06-13 | 2016-09-21 | 宁波市鄞州雪利曼电子仪表有限公司 | Can bus system and control method thereof |
| CN105955244B (en) * | 2016-06-13 | 2019-07-30 | 宁波市海曙雪利曼电子仪表有限公司 | CAN bus system |
| CN106054863A (en) * | 2016-06-28 | 2016-10-26 | 芜湖莫森泰克汽车科技股份有限公司 | Automobile sunroof remote control function detection tool |
| CN106114418A (en) * | 2016-06-29 | 2016-11-16 | 北京兴科迪科技有限公司 | A kind of electrical control unit method and system |
| CN106193879A (en) * | 2016-07-26 | 2016-12-07 | 深圳市金证卡尔电子有限公司 | A kind of control device and method of the multi-functional anti-pinch of vehicle window Hall |
| CN106585562A (en) * | 2016-12-30 | 2017-04-26 | 昌辉汽车电气系统（安徽）有限公司 | Vehicular one-key baby comfortable locking system and control method thereof |
| CN108638951A (en) * | 2018-05-15 | 2018-10-12 | 重庆长安汽车股份有限公司 | A kind of automobile ushers in and out guest's system and method |
| CN108638951B (en) * | 2018-05-15 | 2020-07-10 | 重庆长安汽车股份有限公司 | Automobile welcome and delivery system and method |
| CN111255334A (en) * | 2019-12-24 | 2020-06-09 | 浙江零跑科技有限公司 | Door controller based on high integration level and control system thereof |
| CN111706192A (en) * | 2020-06-24 | 2020-09-25 | 广州车马仕汽车配件有限责任公司 | Intelligent pneumatic switch of automobile engine cover |
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