CN102079307B - Complete controller assembly device for general mild hybrid vehicle and control method - Google Patents
Complete controller assembly device for general mild hybrid vehicle and control method Download PDFInfo
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Abstract
The invention discloses a complete controller assembly device for a general mild hybrid vehicle and a control method, and belongs to the technical field of mild hybrid vehicles. A communication module exchanges data with other control units through a controller area network (CAN) bus, state information of the complete vehicle is acquired through signals processed by connector wire harnesses and acquisition circuits of analog signals, digital signals and pulse signals, the working state of the vehicle and the driving awareness of a driver are judged, and meanwhile, control commands are sent to the control unit of each executor so as to realize communication and information sharing among the parts of a system and realize cooperative work and control steps among the parts of the vehicle; and a control panel comprises a double-output power supply module, a voltage stabilizing module, a bus communication module with two CAN transceivers and a K wire transceiver, a 7-channel low side driving module, a 6-chanenl analog signal acquisition circuit, a 5-channel digital signal acquisition circuit, a 2-channel pulse signal acquisition circuit, a main control singlechip and peripheral circuits comprising a reset circuit and a debugging interface and circuit.
Description
Technical field
The present invention relates to the automobile-used entire car controller assembly apparatus of a kind of general light hybrid and control method, belong to light hybrid driving skills art field.
Background technology
In the function sample car of light hybrid vehicle design R﹠D process, most important with engine electric-controlled system (EMS) supplier's cooperation, comprise the modification of realization, demarcation of the modification of part software, new function and optimization etc.This needs the long cycle to carry out technology negotiation and commercial affairs consultation, can need simultaneously a large number of expense to complete whole modification.In its tangible function sample car design process, because target positioning is realized checking in conceptual design and function, can be the temporarily not urgent retrofit work of completing electric-control system, design that equally can the practical function sample car.The invention provides a kind of general light hybrid sample car of realizing this scheme design plan and the description of entire car controller assembly hardware configuration.
Along with growing to even greater heights and the impact aggravation of motor vehicle exhaust emission on environment of oil price, electronlmobil has entered the period of high speed development in worldwide.The electronlmobils such as pure electric automobile, hybrid vehicle, fuel cell powered vehicle are being brought into play advantage separately, and the scale of obtaining is applied.
Because technology is relatively ripe, energy-conservation obvious with environment protecting, hybrid vehicle is rapidly developed, and under the encouragement of various countries' preferential policy, progressively enters commercialization and apply the stage.U.S.'s hybrid vehicle sales volume was 31.4 ten thousand in 2008.
In the development of Technology of Hybrid Electric Vehicle, show obvious modularization and hardware and software platform trend, the modularization of car hybrid power system is further obvious, the electrification of iterative method automobile power.From " the little mixing " that only possess automatic start-stop, idling shut-off function, " mixing " and " strong mixing " take series parallel type as feature take the parallel type hybrid dynamic driving engine as main body, along with the ratio of electric power progressively improves, mixability improves constantly, and finally is transitioned into tandem " the full mixing " mode of rechargeable type.
Among all kinds of hybrid electric vehicles, although mild hybrid electric vehicle is reducing oil consumption and improving limited in one's ability aspect discharging, because it is minimum to improvement cost of having internal-combustion engines vehicle now, successful is fit to introduce to the market.The integrated BSG of the starting/generator of belt drive uses the belt drive technology on the basis of ISG (Integrated Started Generator) micro hybrid vehicle technology, have its unique operating characteristic and advantage.The BSG technology adopts belt drive starting/generator integrated electric motor (BSG motor), and is little to existing automobile power assembly structural modification amount, improved the index of the each side such as automobile fuel ecomomy, discharging.
In the various light hybrid vehicles of research and development, the scheme of entire car controller assembly is a lot of at present.Some companies integrate this assembly and BSG electric machine controller, although this mode has reduced by a control assembly, but need the supplier's of electric machine controller cooperation energetically, the cycle that implements is long, difficulty is large, overall expenses is high, is less compliant in product development and in earlier stage carries out the exploitation of function sample car.
Summary of the invention
In view of the above problems, the hardware scheme of relatively existing other entire car controller assembly, the solution of the present invention realizes simple, and the time-to-market that needs is shorter, and expense is also lower.Based on the uncertainty of design plan and the defective that may exist and the needed fast cycle of function sample car exploitation, the present invention possesses good commonality and practicality simultaneously.It is relatively simple for structure, the interface of considered Design of Compatibility simultaneously a lot of redundancies and reservation, adjustment and compatibility when facilitating different automobile types to use also facilitate the upgrading in later stage simultaneously, more flexible and changeable, be fit to very much carry out sample car and design and develop with functional verification and use.
The object of the present invention is to provide the automobile-used entire car controller assembly apparatus of a kind of general light hybrid and control method.
the automobile-used control method of finished of a kind of general light hybrid, comprise the following steps: main control singlechip is by obtaining the data of sharing on the CAN bus, carry out data exchange by CAN bus communication module and other control unit, by connector wire harness and each analog signal, the signal of digital signal and pulse signal acquisition processing of circuit, obtain whole vehicle state information, judgement vehicle operation state and chaufeur are driven consciousness, send control command for simultaneously the control unit of each actr, communication and information sharing between various parts have been realized, realize the collaborative work between each parts of vehicle and control step,
The first, when chaufeur is remembered motor vehicle, by the whole vehicle state information that gathers, according to the integrated vehicle control tactics judgement, control BSG motor output high pulling torque and drag fast driving engine, at short notice driving engine is dragged to rotating speed of target;
The second, control the function that the BSG motor realizes replacing former car electrical generator, according to different motor speeds, accumulator electric-quantity, car load load electricity condition, regulate the excitation amount of BSG motor, send enough electric weight, satisfy the electric need for electricity of car load and guarantee that the comparision of quantity of electricity of 12V storage battery is sufficient, in order to fire an engine next time.
The automobile-used entire car controller assembly apparatus of a kind of general light hybrid, comprise a control desk in a shell box body, connector and box body, control desk comprises dual output power module and Voltage stabilizing module, possesses the bus communication module of two CAN transceivers and a K line transceiver, 7 passages hang down limit driver module, 6 road analogue signal acquisition circuits, 5 railway digital signal acquisition circuits, 2 road pulse signal acquisition circuit, main control singlechip and peripheral circuit thereof and comprise reset circuit, debugging interface and circuit.
Analogue signal acquisition circuit, digital signal acquiring circuit and pulse signal acquisition circuit are connected waterproof connector; Main control singlechip connecting analog signal acquisition circuit, digital signal acquiring circuit, mu balanced circuit, power circuit, A/D sampling reference voltage circuit, low limit driving circuit, debugging interface and circuit, clock circuit, reset circuit and bus communication module; Analogue signal acquisition circuit connects mu balanced circuit; Power circuit connects storage battery; Bus communication module connecting communication module; Debugging interface is connected debugging PC computing machine with circuit.
Commonality of the present invention and advantage are mainly reflected in:
The first, the bus communication module that possesses CAN function and K line communication function, can be suitable for various vehicles, the diagnostic system that comprises the employing CAN diagnosis of the vehicle of more low-grade employing K line Communication diagnostic system and higher gears, as long as slightly do to change and can realize on software, hardware does not need to do any change;
The second, design separately because of this assembly hardware, software, not as the application scheme of a lot of other companies, be integrated in the controller of other module, its exploitation is more independent like this, this is in the sample car development phase, guarantee greatly the smooth enforcement of project, reduced the complexity of project and failed possibility;
Three, this assembly is when design, the interface of considered Design of Compatibility a lot of redundancies and reservation, adjustment and compatibility when facilitating different automobile types to use also facilitate the upgrading in later stage simultaneously, more flexible and changeable, be fit to very much carry out sample car and design and develop with functional verification and use;
Four, considering, adopt this assembly to reduce greatly development difficulty, reduce expense, can be used as simultaneously a platform and come use, can expand in the application of other products, is also very useful in the long run.
Description of drawings
When considered in conjunction with the accompanying drawings, by the following detailed description of reference, can more completely understand better the present invention and easily learn wherein many advantages of following, but accompanying drawing described herein is used to provide a further understanding of the present invention, consist of a part of the present invention, illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of to improper restriction of the present invention, wherein:
Fig. 1 means the control system hardware architecture schematic diagram as the embodiment of the present invention.
Fig. 2 means the analogue signal acquisition circuit structural representation as the embodiment of the present invention;
Fig. 3 means the digital signal acquiring circuit structural representation as the embodiment of the present invention;
Fig. 4 means the pulse signal acquisition electrical block diagram as the embodiment of the present invention;
Fig. 5 means the voltage regulator circuit structure schematic diagram as the embodiment of the present invention;
Fig. 6 means one of power circuit as embodiment of the present invention structural representation;
Fig. 7 means the low limit driving circuit structure schematic diagram as the embodiment of the present invention;
Fig. 8 means as the debugging interface of the embodiment of the present invention and electrical block diagram;
Fig. 9 means the clock circuit structural representation as the embodiment of the present invention;
Figure 10 means the circuit reset electrical block diagram as the A/D sampling reference voltage circuit of the embodiment of the present invention;
Figure 11 means one of the bus communication module structure as embodiment of the present invention schematic diagram;
Figure 12 means two schematic diagrams as the bus communication module structure of the embodiment of the present invention;
Figure 13 means the reset circuit structural representation as the embodiment of the present invention.
The specific embodiment
Referring to figs. 1 through Figure 13, embodiments of the invention are described.
Embodiment:
Obviously, the many modifications and variations done based on aim of the present invention of those skilled in the art belong to protection scope of the present invention.
The automobile-used control method of finished of a kind of general light hybrid of the present invention, comprise the following steps: universal entire car controller assembly is orientated car load the highest orchestration center as, radical function is to gather whole vehicle state, judgement chaufeur consciousness, according to integrated vehicle control tactics, realize by the CAN bus protocol:
The first, when chaufeur is remembered motor vehicle, by the whole vehicle state information that gathers, according to the integrated vehicle control tactics judgement, control BSG motor output high pulling torque and drag fast driving engine, at short notice driving engine is dragged to rotating speed of target;
The second, control the function that the BSG motor realizes replacing former car electrical generator, according to different motor speeds, accumulator electric-quantity, car load load electricity condition, regulate the excitation amount of BSG motor, send enough electric weight, satisfy the electric need for electricity of car load and guarantee that the comparision of quantity of electricity of 12V storage battery is sufficient, in order to fire an engine next time.
This assembly carries out data exchange by CAN bus communication module and other control unit, send control command for simultaneously the control unit of each actr, communication and information sharing between various parts have been realized, in collaborative work and the control that can realize under the control of this assembly between each parts of vehicle, guarantee that car load has good dynamic property, economy and emission behavior; Bus communication module has increased choke coil and transient voltage suppresses the TVS diode, thereby has increased the stability of communication module, and the photoelectricity isolation optocoupler chip that the later stage considers to increase AVAGO company improves the reliability of communication again; CAN transceiver in the CAN bus communication module is mainly used in completing the bus differential level to the conversion of CAN bus, and these work are mainly completed in the hardware of transceiver automatically, does not need concrete programming to realize in the software application layer algorithm.
K line communication module has mainly adopted a special communication chip based on the KWP2000 agreement.
The function of this bus communication module is mainly to embody a concentrated reflection of on application layer software, and the commonality of this control assembly is also embodied on the concrete software application of this module simultaneously.
The invention provides a kind of general light hybrid sample car hardware configuration of entire car controller assembly, this assembly comprises a control desk in a shell box body, connector and box body, and control desk comprises dual output power module and Voltage stabilizing module, possesses the bus communication module of two CAN transceivers and a K line transceiver, 7 passages hang down limit driver module, 6 road analogue signal acquisition circuits, 5 railway digital signal acquisition circuits, 2 road pulse signal acquisition circuit, main control singlechip and peripheral circuit thereof and comprise reset circuit, debugging interface and circuit.
Main control singlechip is by obtaining the data of sharing on the CAN bus, signal by connector wire harness and each analog signal, digital signal and pulse signal acquisition processing of circuit, obtain whole vehicle state information, judgement vehicle operation state and chaufeur are driven consciousness, coordinate and the work of each execution module of management BSG system; Described main control singlechip peripheral circuit comprises A/D sampling VREF (Voltage Reference) mu balanced circuit, reset circuit, debugging interface and circuit etc., can guarantee the stable operation of the inner modules of micro controller system, and main control singlechip can in time reset when breaking down simultaneously.Debugging interface is mainly used to be connected software debugging aids to PC with circuit, the time write with a brush dipped in Chinese ink the interface channel of program and debugging;
In the dual output power module and Voltage stabilizing module of control desk, dual output is mainly the Voltage-output of positive 5V and positive 2.5V, adopted the Tle7469 chip of Infineon company to realize in the design, this is a special chip of this control desk of coupling main control singlechip, take this chip as core, mate by peripheral circuit, the two voltages of output, in circuit, the voltage of all positive 5V and positive 2.5V is by this module supply; Voltage stabilizing module output 12V voltage, being mainly used to provides one to draw voltage or need to provide the module of accurate 12V voltage to other on stable to some signal acquisition circuits, thereby improves the precision of acquisition of signal, and this point is extremely important.
The low limit driver module of control desk is mainly used to drive the actr of some little electric currents or is connected to and lights some instrument panel lamps on instrument carrier panel and come indicating status.Control the relay of large electric current such as little relay of driving, the state of the charging indicator light on operation panel, BSG fault-indicating lamp etc.The output interface of this module reality has reservation, newly increases the expansion of function after can facilitating.
The box body of this assembly and connector have all adopted waterproofing design, satisfy classification of waterproof IP56.
This assembly hardware configuration coordinates software application layer control policy and algorithm, realize BSG start stop system control function, mainly comprise: quick start engine (need not the driving engine oil spout, directly drag engine speed to the above 500RPM-800RPM of idling speed that demarcates).System controls minute two kinds of mode operations: during starting duty, the motor powered mode operation provides the engine starting moment of torsion, and during generating operation mode, the electric power generation mode operation generates electricity to traditional 12V battery charge.Coordinate engine electric-controlled system to realize: the first, can be when the of short duration parking of vehicle, automatic fuel cut-off during stops the work of driving engine, thus fuel oil consumption and reduction discharging when eliminating idling operation with the elimination idling; The second, when starting, controlling the BSG motor provides high pulling torque quick (200ms is interior) that engine speed is dragged to 500-800RPM, thereby oil consumption and discharging when the transient condition minimizing when effectively shortening starting oil spout enriching is started realize energy-saving and emission-reduction.
The particular circuit configurations connection diagram of this assembly hardware is as shown in Figure 1:
As shown in Figure 2, analogue signal acquisition circuit structural representation, an end contact resistance R32 of resistance R 31 and an end of resistance R 51; The other end that resistance R 32 is connected with resistance R connects an end of capacitor C 25; The other end ground connection of capacitor C 25;
As shown in Figure 3, an end of resistance R 44 connects capacitor C 32 and resistance R 39 and resistance R 39 " an end, the other end of resistance R 44 connects capacitor C 33, the other end ground connection of capacitor C 32 and capacitor C 33; The other end of resistance R 39 connects the VBB end; Resistance R 39 " other end ground connection.
As shown in Figure 4, an end contact resistance R49 and the diode D2 of resistance R 50, the other end of resistance R 50 connects capacitor C 41, and capacitor C 41 other ends connect capacitor C 40 and ground connection; The other end of resistance R 49 connects the VBB end; Capacitor C 40 other ends connect the diode D2 other end.
As shown in Figure 5, the port one of integrated circuit block LM3488 connects capacitor C sn, and port 2 connects capacitor C c, capacitor C c other end contact resistance Rc, port 3 contact resistance Rf2 and resistance R _ f 1, port 5 and port 4 ground connection; Port 6 connects power field effect pipe IRF7807, the end of power field effect pipe IRF7807 connects inductance L 1 and capacitor C s, end contact resistance Rsn and the port one of power field effect pipe IRF7807, inductance L 1 other end connectivity port 8 and resistance R cc and capacitor C bypass, the resistance R cc other end connects capacitor C in, port 7 contact resistance Rfa, the capacitor C s other end connects inductance L 2 and schottky diode D, the schottky diode D other end connects capacitor C out and resistance R _ f 1, resistance R _ f 1 other end connectivity port 3.
As shown in Figure 6, the port I1 connectivity port I2 of integrated circuit block TLE469 and resistance R 1, capacitor C 1, capacitor C 2 and diode D3, capacitor C 1 and capacitor C 2 also ground connection in parallel; Port/INH contact resistance R1 other end, port DT contact resistance R4, port R0 contact resistance R6, port Q2 connects capacitor C 3 and capacitor C 4 in parallel, and port Q1 connects capacitor C 5 and capacitor C 6 in parallel.
As shown in Figure 7, the port OUT1 contact resistance 12 of integrated circuit block U4, port OUT2 contact resistance 13, port OUT3 contact resistance 14.
As shown in Figure 8, integrated circuit block P2 port P3.4 contact resistance R15, port P3.2 contact resistance R16, port/TRST contact resistance R17, port P3.1 contact resistance R18, port P3.7 contact resistance R19.
As shown in Figure 9, crystal resonator X1 one end contact resistance R20 and capacitor C 11, the crystal resonator X1 other end connects capacitor C 12.
As shown in figure 10, resistance R 24 is in parallel with capacitor C 14, and the one end connects 5 volts of voltages, other end connectivity port VaREF.
As shown in figure 11, integrated circuit block U2 port TXD contact resistance R7, port VCC connects capacitor C 7, port Rs contact resistance R8, port CANH connects capacitor C 8 and resistance R 9, and port CANL connects capacitor C 9 and resistance R 10, and the other end that resistance R 10 is connected with resistance R connects capacitor C 10 and port Vref.
As shown in figure 12, integrated circuit block U3 port VBB contact resistance R11, the other end of port ISO contact resistance R11, port CEN is connected capacitor C 42 with port VDD, capacitor C 43 connectivity port VBB.
As shown in figure 13, resistance R 21 connects capacitor C 13 and signal wire (SW)/RSTIN.
The invention provides a kind of general light hybrid sample car hardware configuration of entire car controller assembly, this assembly comprises a control desk in a shell box body, connector and box body, and control desk comprises dual output power module and Voltage stabilizing module, possesses the bus communication module of two CAN transceivers and a K line transceiver, 7 passages hang down limit driver module, 6 road analogue signal acquisition circuits, 5 railway digital signal acquisition circuits, 2 road pulse signal acquisition circuit, main control singlechip and peripheral circuit thereof and comprise reset circuit, debugging interface and circuit.
As mentioned above, embodiments of the invention are explained, but as long as not breaking away from fact inventive point of the present invention and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation also all is included in protection scope of the present invention.
Terminological interpretation:
1. the abbreviation of BSG:Belt Driven Starter Generator, refer to the belt drive start stop system, is a light hybrid technology.This hybrid power system has installed belt drive actuating motor (the Belt alternator Starter Generator that namely often says, abbreviation BSG system) usually additional.This motor is starting and generating (Stop-Start) integral motor, be used for control engine starting and stop, thereby cancelled the idling of driving engine, reduced oil consumption and discharging.
2. the abbreviation of ISG:Integrated Starter and Generator, it is the starting-generating all-in-one that directly is integrated on the automotive engine main shaft, be exactly directly to substitute traditional actuating motor with the larger motor of certain transient power, substitute in short-term engine-driven car in the starting stage, and play simultaneously the effect of fire an engine, reduce idling loss and the pollution of driving engine, during normal the enforcement, motor-powered vehicle, this motor disconnects or plays the effect of electrical generator, during brake, this motor can also play regenerative electric power, reclaim the energy-saving effect of braking energy.
Claims (3)
1. automobile-used entire car controller assembly apparatus of general light hybrid, it is characterized in that: comprise a control desk in a shell box body, connector and box body, control desk comprises dual output power module and Voltage stabilizing module, possesses the bus communication module of two CAN transceivers and a K line transceiver, 7 passages low limits driver module, 6 road analogue signal acquisition circuits, 5 railway digital signal acquisition circuits, 2 road pulse signal acquisition circuit, main control singlechip and peripheral circuit thereof, and wherein peripheral circuit comprises reset circuit, debugging interface and circuit; Analogue signal acquisition circuit, digital signal acquiring circuit and pulse signal acquisition circuit are connected waterproof connector; Main control singlechip connecting analog signal acquisition circuit, digital signal acquiring circuit, mu balanced circuit, power circuit, A/D sampling reference voltage circuit, low limit driving circuit, debugging interface and circuit, clock circuit, reset circuit and bus communication module; Analogue signal acquisition circuit connects mu balanced circuit; Power circuit connects storage battery; Debugging interface is connected the debugging PC with circuit;
Main control singlechip is by obtaining the data of sharing on the CAN bus, signal by connector wire harness and each analog signal, digital signal and pulse signal acquisition processing of circuit, obtain whole vehicle state information, judgement vehicle operation state and chaufeur are driven consciousness, coordinate and the work of each execution module of management BSG system; Described main control singlechip peripheral circuit can be guaranteed the stable operation of the inner modules of micro controller system, main control singlechip can in time reset when breaking down simultaneously, debugging interface is mainly used to be connected software debugging aids to PC with circuit, is the interface channel of writing with a brush dipped in Chinese ink program and debugging;
In the dual output power module and Voltage stabilizing module of control desk, dual output is mainly the Voltage-output of positive 5V and positive 2.5V, adopted the Tle7469 chip of Infineon company to realize, take this chip as core, mate by peripheral circuit, the two voltages of output, in circuit, the voltage of all positive 5V and positive 2.5V is by this module supply; Voltage stabilizing module output 12V voltage, being mainly used to provides one to draw voltage or need to provide the module of accurate 12V voltage to other on stable to some signal acquisition circuits, thereby improves the precision of acquisition of signal.
2. the automobile-used entire car controller assembly apparatus of a kind of general light hybrid according to claim 1 is characterized in that: sample reference voltage circuit and actr of waterproof connector, main control singlechip, analogue signal acquisition circuit, digital signal acquiring circuit, pulse signal acquisition circuit, mu balanced circuit, power circuit, low limit driving circuit, debugging interface and circuit, clock circuit, reset circuit, bus communication module, A/D is arranged on the assembly control desk.
3. the automobile-used entire car controller assembly apparatus of a kind of general light hybrid according to claim 1, it is characterized in that: the low limit driver module of control desk is used for driving the actr of some little electric currents or is connected to and lights some instrument panel lamps on instrument carrier panel and come indicating status.
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| CN103448545B (en) * | 2013-09-12 | 2016-09-14 | 南京奥特佳新能源科技有限公司 | Automobile-used energy regenerating based on wheel axle generator and Application way |
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| CN115469575A (en) * | 2022-08-23 | 2022-12-13 | 乐歌人体工学科技股份有限公司 | Low power consumption control system, controller and linear drive device based on bus communication |
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