CN204406076U - A kind of automobile current generator intelligent control system - Google Patents
A kind of automobile current generator intelligent control system Download PDFInfo
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- CN204406076U CN204406076U CN201520058127.9U CN201520058127U CN204406076U CN 204406076 U CN204406076 U CN 204406076U CN 201520058127 U CN201520058127 U CN 201520058127U CN 204406076 U CN204406076 U CN 204406076U
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Abstract
The utility model discloses a kind of automobile current generator intelligent control system, relate to field of automobile control, described system comprises: automobile handrail box, automobile instrument panel, engine management system EMS, car body controller BCM, electric stabilizing system ESP, also comprise: the battery sensor being used for gathering battery condition signal; Be used for powering and to the generator of charge in batteries to automobile electrical equipment; Generator intelligent controller, it connects described EMS, BCM, ESP by CAN, described battery sensor, intelligent generator is connected by LIN bus, thus according to the engine status signal from described EMS, the vehicle condition signal from BCM and ESP, battery condition signal, send corresponding control signal to generator.The utility model reliability is high, security good, oil-saving effect is obvious, can obvious increasing storage battery service life, also has certain improvement to car steering performance and starting performance etc. simultaneously.
Description
Technical field
The utility model relates to field of automobile control, particularly a kind of automobile current generator intelligent control system.
Background technology
Automobile industry is key pillars of the national economy industries, plays an important role in national economy and social development.Along with China sustain economic is fast-developing and Development of China's Urbanization accelerates propelling, from now on longer one period automobile demand amount will keep growth, the energy shortage brought thus and problem of environmental pollution will be more outstanding.Accelerate to cultivate and develop energy-saving automobile and new-energy automobile, be effectively alleviate the energy and environmental pressure, the urgent task of propelling vehicle industry sustainable development is also accelerate automobile industry transition and upgrade, tap new sources of economic growth and the strategic measure of international competitive advantage.
Country's " energy-conservation with new-energy automobile industrial development planning " proposes in the fuel consume target of 2015 ~ the year two thousand twenty to passenger car, by 2015, the passenger car average fuel consumption of current year's production is down to 6.9 liters/hundred kilometers, to the year two thousand twenty, the passenger car average fuel consumption of current year's production is down to 5.0 liters/hundred kilometers.
Strengthening capacity for technological innovation is cultivate and develop key link that is energy-conservation and new-energy automobile industry, need the principal status of public economy of strengthening enterprise in technological innovation, improve with enterprises as principal components, market orientation, the production, teaching & research technological innovation system combined, break through key core technology, promote industrial competitiveness.For this reason, energy-saving automobile technical research dynamics must be strengthened, carry out the research and development of advanced electron controls technology.
The current automobile overwhelming majority still adopts traditional multifunction regulator generator, and the type generator cannot be accomplished to export for the intelligent alterable of generator power, causes the waste of the energy under Part load.And intelligent generator is owing to can monitor Generator Status according to different operating mode Intelligent adjustment generated output power simultaneously, the electric energy consumption reached under Part load suppresses to export, thus realizes economize energy.The variable control technology of power stage of intelligent generator is becoming one of mainstream technology of automotive electronics electric appliance energy-saving technology.According to international market investigation, by 2015, the market share of automobile intelligent generator will reach 70%, and the control technology research application of domestic independent brand automobile to intelligent generator will become more and more urgent.
Fig. 1 is the typical automotive power source management control system Organization Chart that prior art provides, generator management system (Engine Manegement System as shown in Figure 1, EMS) current battery condition is gathered by battery sensor, engine condition is judged in conjunction with EMS self, then width modulation (Pulse Width Modulation is sent by rigid line to intelligent generator, PWM) control signal, realizes the control to intelligent generator output voltage by the mode of adjustment PWM ripple dutycycle.
Power source management control system shown in Fig. 1 only can realize carrying out simplex with intelligent generator, the current state of generator cannot be known, only can realize opened loop control to power-supply management system, such as: temperature and the excited state that can not obtain generator, the temperature compensation to generator and engine speed adjustment function cannot be realized, cannot make Accurate Prediction to Generator Status and accurately control, energy-saving effect cannot maximize.Simultaneously, this power source management control system produces mutual and untapped load management steering logic not by CAN and other controller of automobile, do not possess the function that other load of access CAN is managed, when battery is in power shortage state or automobile electrical network is in heavy load opening, the power consumption of active adjustment comfortableness load the Minimum requirements of starting system to battery capacity and the stability of electrical network cannot be ensured.
Utility model content
The purpose of this utility model is to provide a kind of automobile current generator intelligent control system, can solve the energy dissipation problem caused because of automobile current generator excessive electrical generation better.
According to an aspect of the present utility model, provide a kind of automobile current generator intelligent control system, comprising: automobile handrail box, automobile instrument panel, EMS, BCM, ESP, also comprise:
Be used for gathering the battery sensor of battery condition signal;
Be used for powering and to the generator of charge in batteries to automobile electrical equipment;
Generator intelligent controller, it connects described EMS, BCM, ESP by CAN, described battery sensor, intelligent generator is connected by LIN bus, thus according to the engine status signal from described EMS, the vehicle condition signal from BCM and ESP, battery condition signal, send corresponding control signal to generator.
Preferably, also comprise:
Lamp dimmer, it connects described generator intelligent controller by CAN, thus according to the lamp control signal from described generator intelligent controller, controls automobile lamp.
Preferably, described generator intelligent controller is placed in described automobile handrail box.
Preferably, described generator is placed on the engine wheel system of engine management system.
Preferably, described battery sensor is placed on storage battery negative pole.
Preferably, described lamp dimmer is placed near automobile instrument panel.
Preferably, also comprise:
The direct current transducer be connected with described lamp dimmer, is placed near automobile handrail box.
Compared with prior art, the beneficial effects of the utility model are:
The utility model reliability is high, security good, oil-saving effect is obvious, can obvious increasing storage battery service life, also has certain improvement to car steering performance and starting performance etc. simultaneously.
Accompanying drawing explanation
Fig. 1 is the typical automotive power source management control system Organization Chart that prior art provides;
Fig. 2 is the structural representation of the automobile current generator intelligent control system that the utility model embodiment provides;
Fig. 3 is the workflow diagram of the automobile current generator intelligent control system that the utility model embodiment provides.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Fig. 2 is the structural representation of the automobile current generator intelligent control system that the utility model embodiment provides, as shown in Figure 2, comprising: battery sensor 1, intelligent generator 2, generator intelligent controller 3, lamp dimmer 4, ESP5, BCM6, EMS7, direct current transducer DCDC8.
Be used for gathering the battery sensor 1 of battery condition signal, be arranged on storage battery negative pole, send battery condition signal by access LIN bus to generator intelligent controller 3.
Be used for powering and to the intelligent generator 2 of charge in batteries to automobile electrical equipment when normal working of engine, be arranged on the engine wheel system of engine management system, send intelligent generator status signal by access LIN bus to generator intelligent controller 3, and receive the corresponding control signal of generator intelligent controller 3 transmission.
Lamp dimmer 4, is arranged near automobile instrument panel, by access CAN, receives the lamp control signal that generator intelligent controller 3 sends.
ESP5, by access CAN, sends the vehicle condition signal such as gas pedal aperture and brake pedal aperture to generator intelligent controller 3.
BCM6, by access CAN, sends the vehicle condition signals such as Start enable signal, ACC enable signal, ON enable signal to generator intelligent controller 3.
EMS7, by access CAN, sends the engine status signals such as engine speed to generator intelligent controller 3.
Generator intelligent controller 3, LIN bus is adopted to be connected with battery sensor 1 and intelligent generator 2 as host node, CAN is adopted to be connected with lamp dimmer 4, ESP5, BCM6 and EMS7, thus according to the engine status signal from described EMS, the vehicle condition signal from BCM and ESP, battery condition signal, send corresponding control signal to generator.Further, generator intelligent controller 3 accesses CAN, gathers engine and vehicle condition signal, and engine and vehicle condition signal come from ESP5, BCM6 and EMS7 of access CAN respectively; Access CAN, sends lamp control signal to lamp dimmer 4; Access LIN bus, receives the Generator Status signal that intelligent generator 2 sends, and sends corresponding control signal to intelligent generator 2; Access LIN bus, receives the battery condition signal that battery sensor 1 sends.Further, generator intelligent controller 3 realizes based on MicroAutoBox, and it can be microprocessor (such as ACCESS4000X), also can be programmable logic array etc.
Specifically, the CAN interface of generator intelligent controller 3 is connected with vehicle body CAN bus, and the LIN interface of generator intelligent controller 3 is connected with the LIN interface of the LIN interface of intelligent generator 2 and battery sensor 1; The CAN interface of lamp dimmer 4, ESP5, BCM6, EMS7 is connected with vehicle body CAN bus.Generator intelligent controller 3 gathers engine and motoring condition signal by vehicle body CAN, the status signal of battery sensor 1 and intelligent generator 2 is gathered by LIN bus, and after receiving the status signal of needs, status signal is calculated and Logic judgment, lamp control signal is sent to lamp dimmer 4 by CAN, control the light on and off of automobile room lamp, transmitted control signal to intelligent generator 2 by LIN bus, control output power and other state parameter of intelligent generator 2.
First the automobile current generator intelligent control system that the utility model provides operationally gathers the electric source modes state of current automobile, with judge automobile power source mode state be in standing, start or driving model, under different electric source modes states, different control is carried out to generator.Wherein, under driving condition, generator intelligent controller 3 can gather the signals such as rotating speed, the speed of a motor vehicle, gas pedal, battery temp, accumulator SOC, generator-temperature detection, generator speed, judge the different driving condition of vehicle under driving model, and intelligent generator 2 and automobile room lamp are controlled.Particularly, changing the output power of generator when judging that automobile and engine are in low energy consumption operating mode, reaching the object of energy regenerating; Changing the output power of generator when judging that automobile and engine are in high energy consumption operating mode, reaching the object of saving energy consumption; When accumulator is in high-capacity state, change the output power of generator, reach the object of saving energy consumption; When accumulator is in low capacity state, change the output power of generator and closing automobile indoor lamp, reach the object ensureing starting performance.Visible, under whole service operating mode, generator intelligent controller 3 can in conjunction with the electrical load to change in voltage sensitivity, the voltage output range of reasonable adjusting intelligent generator 2, the fluctuation range of car load line voltage is controlled, avoids affecting electric complicated reliability because of the change of voltage under different mode.Such as: after detecting that headlight for vehicles is opened; generator intelligent controller 3 controls intelligent generator 2 and enters into load protection pattern; control intelligent generator output voltage interval at 12.5-13.0V; ensure the illumination power requirement of headlight for vehicles, simultaneously at the life voltage operated within range of headlight for vehicles the best.
The automobile current generator intelligent control system that the utility model provides safely, reliably, can the output power of Intelligent adjustment intelligent generator 2, solve the energy dissipation problem caused because of automobile current generator excessive electrical generation, combine the Based Intelligent Control to electric appliance load simultaneously, improve the starting performance of automobile.
Fig. 3 is the workflow diagram of the automobile current generator intelligent control system that the utility model embodiment provides, as shown in Figure 3, on the hardware system structure basis that Fig. 2 provides, corresponding software can be aided with, perform following flow process to realize corresponding function, concrete steps comprise:
Step 2-1: the intelligent generator controling parameters of generator intelligent controller 3 initialization acquiescence.
Step 2-2: generator intelligent controller 3 receives the signal from BCM6 and EMS7 by CAN, judges the electric source modes of current automobile.
Specifically, the signal received comprises the ignition lock state signal such as Start enable signal, ACC enable signal, ON enable signal from BCM6, from the engine status signal such as engine speed of EMS7.If automobile power source is in ACC or ON shelves (namely receiving ACC or ON enable signal) and engine speed is 0, then perform step 2-3; If automobile power source is in Start shelves (namely receiving Start enable signal), then perform step 2-6; If automobile power source is in ON shelves (namely receiving ON enable signal) and engine speed is not 0, then perform step 2-8.
Step 2-3: enter into standing pattern.
Step 2-4: generator intelligent controller 3 receives the signal from battery sensor 1, judges the state of current accumulator by electric current, voltage, SOC, SOH etc.
Specifically, when accumulator SOC capacity is greater than 80%, battery discharging electric current is greater than-10A, and when voltage is greater than 12.7V, generator intelligent controller 3 judges that accumulator capacity is full state; When accumulator SOC capacity is less than 60%, battery discharging electric current is less than-20A, and when voltage is less than 12.0V, generator intelligent controller 3 judges that accumulator capacity is power shortage state.
Step 2-5: according to current battery condition, generator intelligent controller 3 judges whether to need to control automobile room lamp, such as, battery condition is in power shortage state, then indoor light inhibitory control signal is sent in CAN and is received by lamp dimmer 4, control the illumination of indoor light, reduce power consumption.
Step 2-6: enter into originate mode.
Step 2-7: in a start-up mode, control signal is sent to intelligent generator 2 by LIN bus by generator intelligent controller 3.
Step 2-8: enter into driving model.
Step 2-9: issue intelligent motor controller 3 at driving model and receive signal from intelligent engine 2, BCM6 and ESP5, judge the driving condition residing for Current vehicle.
The driving condition residing for Current vehicle is judged by following steps:
2.1: when gas pedal aperture is greater than 60% and rotating speed is greater than 3000rpm maybe when there is initiating signal (starting enable), automobile and engine are in high power consumption state, enter acceleration, start control model, perform step 2-10;
2.2: when gas pedal aperture is less than 5% and rotating speed is less than 1500rpm maybe when there is brake signal (braking enable), automobile and engine are in low power consumpting state, enter deceleration control model, perform step 2-13;
2.3: when accumulator SOC capacity is greater than 95%, and when vehicle condition does not belong to 2.1 and 2.2, enter ordinary control mode, perform step 2-16, suppress generator output voltage to 12.0V.
2.4: when accumulator SOC capacity is less than 60%, and when vehicle condition does not belong to 2.1 and 2.2, enter ordinary control mode, perform step 2-16, promote generator output voltage to 14.5V.
Step 2-10: if gas pedal is stepped on, enter into acceleration mode.
Step 2-11: generator intelligent controller 3 receives the signal from battery sensor 1, intelligent generator 2, through calculating and Logic judgment, determines that whether will carry out acceleration to intelligent generator 2 controls.
Step 2-12: under acceleration controls, generator intelligent controller 3 will speed up control signal and sends to intelligent generator 2 by LIN bus, suppresses intelligent generator 2 output voltage to 11.0V.
Step 2-13: if brake pedal is stepped on, enter into deceleration regime.
Step 2-14: generator intelligent controller 3 receives the signal from battery sensor 1, intelligent generator 2, enters calculating and Logic judgment, determines that whether will carry out deceleration to intelligent generator 2 controls.
Step 2-15: under deceleration controls, deceleration control signal is sent to intelligent generator 2 by LIN bus by generator intelligent controller 2, promotes intelligent generator 2 output voltage to 14.0V.
Step 2-16: whether generator intelligent controller 2 enters into general mode by throttle and the analysis of brake pedal opening amount signal.
Step 2-17: generator intelligent controller 2 receives the signal from battery sensor 1, intelligent generator 2, enters calculating and Logic judgment, determines whether will carry out general mode control to intelligent generator.
Step 2-18: under general mode controls, general mode control signal is sent to intelligent generator 2 by LIN bus by generator intelligent controller 3.
In step 2-9, when accumulator SOC capacity is greater than 95%, and when vehicle condition does not belong to 2.1 and 2.2, enter ordinary control mode, now suppress intelligent generator 2 output voltage to 12.0V.
In step 2-9, when accumulator SOC capacity is less than 60%, and when vehicle condition does not belong to 2.1 and 2.2, enter ordinary control mode, now promote intelligent generator 2 output voltage to 14.5V.
Step 2-19: if automobile power source is in OFF shelves (namely receiving OFF enable signal), control system terminates.
In step 2-12, step 2-15, step 2-17, generator intelligent controller 3 is determined to send to intelligent generator 2 voltage control signal by following steps:
3.1: judge present battery capacity by accumulator SOC signal, current generator load condition is judged according to generator voltage and exciting current, judge Current vehicle electric appliance load state by battery current signal, provided the basic output voltage signal of a generator by controller;
3.2: the output voltage compensation signal being provided a generator by the internal resistance-temperature characterisitic of battery temp and SOC signal combination battery by controller;
3.3: controller calculates according to output voltage signal and output voltage compensation signal and provides final voltage control signal.
Although be described in detail the utility model above, the utility model has been not limited thereto, and those skilled in the art of the present technique can carry out various amendment according to principle of the present utility model.Therefore, all amendments done according to the utility model principle, all should be understood to fall into protection domain of the present utility model.
Claims (7)
1. an automobile current generator intelligent control system, comprising: automobile handrail box, automobile instrument panel, engine management system EMS, car body controller BCM, electric stabilizing system ESP, is characterized in that, also comprise:
Be used for gathering the battery sensor of battery condition signal;
Be used for powering and to the generator of charge in batteries to automobile electrical equipment;
Generator intelligent controller, it connects described EMS, BCM, ESP by CAN, described battery sensor, intelligent generator is connected by LIN bus, thus according to the engine status signal from described EMS, the vehicle condition signal from BCM and ESP, battery condition signal, send corresponding control signal to generator.
2. system according to claim 1, is characterized in that, also comprises:
Lamp dimmer, it connects described generator intelligent controller by CAN, thus according to the lamp control signal from described generator intelligent controller, controls automobile lamp.
3. system according to claim 1 and 2, is characterized in that, described generator intelligent controller is placed in described automobile handrail box.
4. system according to claim 1 and 2, is characterized in that, described generator is placed on the engine wheel system of engine management system.
5. system according to claim 1 and 2, is characterized in that, described battery sensor is placed on storage battery negative pole.
6. system according to claim 2, is characterized in that, described lamp dimmer is placed near automobile instrument panel.
7. system according to claim 2, is characterized in that, also comprises:
The direct current transducer be connected with described lamp dimmer, is placed near automobile handrail box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058127.9U CN204406076U (en) | 2015-01-28 | 2015-01-28 | A kind of automobile current generator intelligent control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058127.9U CN204406076U (en) | 2015-01-28 | 2015-01-28 | A kind of automobile current generator intelligent control system |
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| CN204406076U true CN204406076U (en) | 2015-06-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738815A (en) * | 2017-10-30 | 2019-05-10 | 现代自动车株式会社 | Cloud Server, vehicle and method for controlling a vehicle |
| CN113511153A (en) * | 2021-05-31 | 2021-10-19 | 江苏银燕房车科技有限公司 | Numerical control generator system suitable for car as a house |
| CN114006452A (en) * | 2022-01-04 | 2022-02-01 | 深圳市聚能优电科技有限公司 | Energy storage management method, device and equipment for EMS to generator and storage medium |
-
2015
- 2015-01-28 CN CN201520058127.9U patent/CN204406076U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738815A (en) * | 2017-10-30 | 2019-05-10 | 现代自动车株式会社 | Cloud Server, vehicle and method for controlling a vehicle |
| CN109738815B (en) * | 2017-10-30 | 2022-03-29 | 现代自动车株式会社 | Cloud server, vehicle, and method for controlling vehicle |
| CN113511153A (en) * | 2021-05-31 | 2021-10-19 | 江苏银燕房车科技有限公司 | Numerical control generator system suitable for car as a house |
| CN114006452A (en) * | 2022-01-04 | 2022-02-01 | 深圳市聚能优电科技有限公司 | Energy storage management method, device and equipment for EMS to generator and storage medium |
| CN114006452B (en) * | 2022-01-04 | 2022-04-01 | 深圳市聚能优电科技有限公司 | Energy storage management method, device and equipment for EMS to generator and storage medium |
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| 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: 20150617 Termination date: 20180128 |