CN102930613B - A kind of engine electric spray system ECU and voice service method - Google Patents
A kind of engine electric spray system ECU and voice service method Download PDFInfo
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Abstract
A kind of electric injection system ECU and voice service method, comprise the ECU microprocessor for controlling combustion engine oil spout and igniting, it is characterized in that: ECU also comprises speech information processor and voice message memory, voice message memory stores to be waited to report content, reports content by ECU Microprocessor S3C44B0X; Comprise the following steps: a) using through the associated engine of classifying and numbering and the state of electric injection system thereof and maintenance service information as waiting to report classifying content numbering and stored in voice message memory; B) ECU microprocessor produces at least one classifying and numbering according to fault diagnosis result and COS, and be that relevant report content is called in speech information processor by index successively with classifying and numbering, speech information processor is converted into sound signal.The present invention can allow maintenance personal or user are convenient obtains engine and electric injection system defect content thereof and disposal route timely and accurately, and self-maintain, reduce maintenance cost.
Description
Technical field
The present invention relates to ECU (Electrical Control Unit) (ECU) and the related voice service technology of the engine carrying electronic fuel injection system (electric injection system), be especially applied to fault diagnosis and the maintenance service of the electronic fuel injection engine of the types such as motorcycle, small general dynamic machinery, all-terrain vehicle (ATV), Small Universal space shuttle and water borne motorboat.
Background technology
The EFI popularity rate of automobile especially car has very high ratio in worldwide, and its after sale service networking is more sound, and after sale service staff training is fairly proper.
By contrast, motorcycle, small general dynamic machinery, all-terrain vehicle (ATV), Small Universal space shuttle with water borne motorboat about the after service network of electric injection system is unsound, even lack the after sale service personnel of specialty, traditional after sale service technology is difficult to the demand meeting this market, therefore, the engine carrying electric injection system, once break down, is difficult to on-call maintenance, brings very large trouble to user, seriously hinder the promotion and application of electric jet technology in above-mentioned field.
But electric jet technology is the important technology of explosive motor energy-saving and emission-reduction, the application of electric injection system is the only way that explosive motor moves towards energy-saving and emission-reduction, widelys popularize this kind of technology and to resolve its after sale service problem very important.
Classic method for service engine and electric injection system thereof is with diagnostic device, and these devices are difficult to grasp on the one hand, and cost is higher on the other hand.Also the method that some more simplify is had, as MIL(MalfunctionIndicatingLamp) flashing mode display fault, but because the quantity of information that can show is little, and need other printing material aid illustration, also pathfinder information is lacked, also be difficult to man-machine generation interactive, user and maintenance personal often produce erroneous judgement.Therefore assist with voice server and mode, greatly will reduce the difficulty of maintenance job.
About the speech prompting system of vehicle, the earliest just like taking vehicle safety as the vehicle-state sound prompt device of core disclosed in Chinese invention patent 96112284.6, and a kind of motorcycle state voice warning circuit etc. disclosed in Chinese utility model patent 200420105694.3, not the solution for engine and electric injection system maintenance service thereof.For another example disclosed in Chinese invention patent 200610163908.X include engine disclosed in interior vehicle diagnostic test voice method for reporting and device be a set of include receive teleinstruction and the vehicle diagnostic test voice of voice answer-back report method and system, wherein ad hoc telematics unit receives the request of remote call center or driver, then information is exchanged with the mode of communication and onboard diagnostic system, again reporting to driver or remote call center in the mode of voice for information about, systematic comparison complexity is huge, its invention essence is dealt with problems at low cost not by electric injection system ECU own resources advantage, neither attempt to adopt existing social resources: such as mobile phone and PC are dealt with problems at low cost, therefore be not suitable for promoting on a large scale in application involved in the present invention.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of voice service device and method of succinct low cost is provided, with electric injection system ECU (Electrical Control Unit) (ECU) for core, and make full use of social available resources, for solving the maintenance service problem of carrying electric injection system engine.Object be to allow maintenance personal or user is convenient obtains engine and electric injection system defect content thereof and disposal route timely and accurately, reduce or avoid the professional training of after sale service, be convenient to user's self-maintain, reduce the popularization of maintenance cost and promotion electric jet technology.
The object of the present invention is reached by following technical proposal, that is:
A kind of electric injection system ECU and voice service method, comprise the ECU microprocessor for controlling combustion engine oil spout and igniting, it is characterized in that: ECU also comprises speech information processor and voice message memory, voice message memory stores to be waited to report content, reports content by ECU Microprocessor S3C44B0X; Comprise the following steps: a) using through the associated engine of classifying and numbering and the state of electric injection system thereof and maintenance service information as waiting to report classifying content numbering and stored in voice message memory; B) ECU microprocessor produces at least one classifying and numbering according to fault diagnosis result and COS, and be that relevant report content is called in speech information processor by index successively with classifying and numbering, speech information processor is converted into sound signal.
According to technique scheme, internal combustion engine electric injection system ECU will have the function of the information content of its storage inside of voice broadcast, can allow maintenance personal or user are convenient obtains engine and electric injection system defect content thereof and disposal route timely and accurately, and self-maintain, reduce maintenance cost.User especially for vast rural area is meaningful in this voice service, because in rural area, existing much can not precise knowledge or understand written explanation or the user of instruction, the such as motorcycle user of a lot of outlying mountain area.
Following technical scheme is improved the present invention further or is limited:
The internal combustion engine electric injection system ECU of the present invention, it reports content, mainly voice broadcast content, comprises maintenance service and the status information of engine and electric injection system thereof.Current or the average running speed of the system failure information that such as ECU diagnoses out, engine, current or average fuel consumption rate, reminding user may be that what parts has problem, etc. information.
The internal combustion engine electric injection system ECU of the present invention, comprises at least one and reports device, reports device and is connected with speech information processor.Reporting device can be loudspeaker or various loudspeaker, and also can comprise earphone jack, earphone etc., earphone can be various earphone, the earphone of such as wired adjusting sound volume or wireless bluetooth earphone etc.Such user just can hear the information that ECU reports at any time, under the environment that interference noise is stronger, when such as engine runs, earphone can be selected to listen to for information about.
The internal combustion engine electric injection system ECU of the present invention, can also be divided into the first encapsulation and the second encapsulation, and wherein the first encapsulation comprises ECU microprocessor, and the second encapsulation comprises speech processor and speech memory.This will be conducive to control section (the first encapsulation) and phonological component (the second encapsulation) is arranged on the most rational position respectively.
The internal combustion engine electric injection system ECU of the present invention, described ECU second encapsulate and also can comprise communication microprocessor, public network communication module, and ECU microprocessor and communication microprocessor are interconnected in the mode of communication.Like this, the communication of the first encapsulation and the second encapsulation just can be realized by wired mode, such as, and the data in ECU by the node switching numerical information on public network communication module and public network, can be sent to the computing machine of the after sale service call center be connected on public network by the second encapsulation at any time.
The internal combustion engine electric injection system ECU of the present invention, described second encapsulation also can comprise local area radio communication device, so just can utilize the local area radio connected mode of mobile phone etc. and described second encapsulation communication, then by the node switching numerical information in the digital communication functions of mobile phone and public network.This is more convenient for needing the occasion of test engine at the scene, such as the motorcycle of electric injection system being equipped with the present invention, if on the way in ride, easily the data in the ECU of ride can be sent immediately to the computing machine of motorcycle after sale service call center.
The internal combustion engine electric injection system ECU of the present invention, described first encapsulation also can comprise local area radio communication device, and is interconnected by this local area radio communication device with the second encapsulation.
Public network communication module in described second encapsulation can also be wireless device, can also comprise global pick device.So just directly can not carry out message exchange with the computing machine of the after sale service call center be connected on public network by mobile phone by electric injection system ECU.
Voice service method of the present invention, further comprising the steps of: c) ECU microprocessor internal program has judged whether voice broadcast handoff request; If d) have voice broadcast handoff request and from communication microprocessor, then preferentially report the content provided by communication microprocessor.
According to the present invention, Pertinent internal information will be reported in the mode of voice by engine electric spray system ECU at any time, the instruction of call center can also be reported immediately when the computer remote of servicing call center after sale sends voice instruction, this understands the important information such as state, fault, problem-solving approach of engine in time by being greatly convenient to user, so that self-maintain fast, and solve the worry of user, also will significantly reduce engine failure maintenance cost.
Accompanying drawing explanation
Fig. 1 is one of ECU embodiment of the present invention.
Fig. 2 is the ECU embodiment two of the present invention.
Fig. 3 is the ECU embodiment three of the present invention.
Fig. 4 is the ECU embodiment four of the present invention.
Fig. 5 is the ECU embodiment five of the present invention.
Fig. 6 is the voice broadcast handoff procedure logical diagram of the voice service method of the present invention.
Fig. 7 applies the present invention to the schematic diagram on a gas-liquid-liquid three-phase flow.
Fig. 8 is the operational process figure applying gas-liquid-liquid three-phase flow of the present invention.
Fig. 9 is the schematic diagram applying the present invention to a motorcycle with electronic fuel injection system.
Figure 10 is the process logic figure of a kind of method of operating realizing voice broadcast handoff request.
Number description is as follows, and same numbering represents same parts or step:
1-ECU output circuit 2-ECU microprocessor (control MCU) 3-ECU communication interface
4-ECU communicating circuit 5-loudspeaker (loudspeaker) 6-earphone
7-earphone socket plug 8-speech information processor 9-voice message memory
Communication microprocessor (communication MCU) in 10-ECU input circuit 11-ECU wire and cable connector 12-ECU
LAN module in GPS module 15-ECU in GPRS module 14-ECU in 13-ECU
16 and 17-ECU cable
21-ECU waits for the preliminary step of motorcycle ignition key switch closed (ON)
22-compute switch closes number of times and makes the step of stand-by time return-to-zero
23-calculates the step of the cumulative time first after closed (ON) of ignition key switch after return-to-zero
24-judges the step of cumulative time whether within setting-up time limit
25-judges the step that ignition key switch closes number of times and whether is more than or equal to prespecified number of times
The step 27-switch of 26-change current speech report state closes the step of number of times return-to-zero
28-judges whether ignition key switch turns off the step of (OFF)
29-ECU enters standby (Standby) pattern and calculates the step of standby duration
30-judges whether stand-by time is greater than the step 31-return-to-zero of preset value and the step of other standby process
32-judges whether ignition key switch closes the step of (ON) again
33-ECU carries out the normal process controlled
Power on step 44-that the step 42-that brings into operation judges whether that the step 43-ECU of voice broadcast handoff request continues to run of 41-ECU judges handoff request whether from the step of communication microprocessor
45-judges that current speech is reported and serves the step that the step 46-whether closed opens the service of ECU voice broadcast
47-closes the step of ECU voice broadcast service
48-preferentially reports the step of the voice messaging from communication microprocessor
The standby step 52-of 51-ECU judges whether the step starting request
The step of the step 54-indication mechanism state of 53-diagnostic system fault
The step 56-of 55-voice broadcasting system state and safety instruction judges whether the step meeting entry condition
The step 58-of 57-starting engine runs the step of genset
59-judges whether that the step 60-of the request of running abort closes down the step of engine
61-voice broadcast runs abort the step of reason
62-repeats voice broadcast fault and can not start the step of explanation
100-electronic fuel injection engine ECU101-ECU first encapsulates 102-ECU second and encapsulates
103-Bluetooth local communication signal 114-mobile phone 150-remote service call center
151-common wireless communication 3G signal
200-engine sensor (general name) 201-engine temperature sensing unit 202-lambda sensor
203-pressure transducer 204-throttle position sensor (TPS)
205-engine air inlet temperature sensor 206-engine speed (footmark) sensor
230-manipulation of switches (general name) 231-motorcycle key switch 232-voice broadcast change-over switch
300-engine electric spray system actuator (general name) 301-fueling injection equipment 302-portfire
303-idling device 304-malfunction indicator lamp (MIL) 305-electronic throttle 310-fuel tank
311-fuel filter and gas and oil separating plant
400-electrical load 401-generator 402-explosive motor 403-transformation device
404-charging accumulator 405-ignition control switch 406-standby power line
Energy control in 407-ECU and testing circuit
Engine in 408-ECU runs control, fault detect, instruction control circuit
500-genset instrument face plate
In figure, symbol description is as follows:
After KN-return-to-zero ignition key switch close number of times KNt-prespecified open key frequency threshold value
After Ton-return-to-zero ignition key switch closed first after cumulative time
Ignition key switch break time after Toff-return-to-zero
The cumulative time threshold value that DT0-is prespecified
The stand-by time threshold value that Tsd-is prespecified
The present invention is described in detail below by these accompanying drawings.
Embodiment
In the embodiment sketch of the electric injection system ECU of the present invention shown in Fig. 1, ECU100 is the structure of overall package, circuit part wherein includes: the output circuit 1 controlling the work of all actuators 300, carry out the ECU microprocessor (control MCU) 2 of controlling calculation process, ECU and outside communication interface 3, ECU communicating circuit 4, connect the earphone socket plug 7 being separated the earphone 6 arranged, speech information processor 8, voice message memory 9, process the ECU input circuit 10 of various input signal, and ECU wire and cable connector 11, can external loudspeaker (loudspeaker) 5 additionally by ECU wire and cable connector 11.Here, earphone 6, earphone socket plug 7 and loudspeaker (loudspeaker) 5 etc. are all voice announcers, the signal being input to ECU100 comprises various manipulation of switches 230 and all the sensors 200, and sensor 200 has generally comprised: temperature (air, air inlet, engine cylinder cover or water temperature etc.) sensor 201, lambda sensor 202, pressure (air, inlet manifold) sensor 203, throttle position sensor 204, etc.And actuator 300 can include: fueling injection equipment (fuel injector, electronic oil pump etc.) 301, portfire (lighter or ignition coil) 302, idling device (ISCV valve) 303, SES Service Engine Soon (MIL) 304, electronic throttle 305, etc.In figure ... expression can also have a lot of other sensor or actuator, will not enumerate.Manipulation of switches 230 comprises such as ignition switch, voice handover request button etc.
The embodiment course of work shown in Fig. 1 is as follows:
Switch on power and ECU100 is worked on power, the embedded Control software be stored in ECU microprocessor 2 just starts to circulate and measures the input signal of each sensor, obtain current working and the state parameter of engine (not shown) and running environment thereof, such as atmospheric temperature pressure, intake air temperature pressure, engine cylinder cover or cooling water temperature, throttle position, engine revolution, current crank phase, oxygen concentration in exhaust, Deng, then computing is carried out according to the logic preset and spotting parameter etc., obtain output time and the output pulse width of the signal controlling each actuator in this engine operational cycle, and send corresponding control signal in the corresponding moment to output circuit 1, such as fuel injector trigger pulse (comprising moment and width), firing pulse (comprising moment and width), idling regulator valve (ISCV) gating pulse, Electronic Throttle Control pulse, Deng.Usually, each operation cycle of engine at least calculates once, and some parameter also can with some fixed cycle cycle calculations (background calculating).
In the embedded Control software of ECU, also include the process of each sensor and actuator and current controling parameters being carried out to fault diagnosis, and result is exported the process of instruction.Information instruction comprises visual information instruction and voice messaging instruction, visual information instruction is realized by malfunction indicator lamp (MIL), such as, MIL bright light or flicker when a fault is found, even comprise certain blinking coding, such as find injector failures circulation flicker 3 times, find that lambda sensor fault cycles glimmers 6 times, etc.
Voice messaging instruction comprises the information content of more horn of plenty, such as diagnostic result, status information and maintenance suggestion or instruction.Speech information content is stored in voice message memory 9 by classifying and numbering in advance, the voice messaging numbering needing to carry out voice broadcast determined by ECU microprocessor 2 according to diagnostic result, voice messaging numbering is not limited to one, can be the combination of several arbitrarily, play successively in order.Voice message memory 9 can comprise not erasable electronics or photoelectron memory storage, also comprises erasable electronic storage device.Voice messaging can be prerecording electronic speech file or electronic synthesis voice document, and the storage of voice messaging can adopt any known digital file format, such as wav, mp3 etc.The voice messaging numbering that ECU microprocessor 2 will be play sends to speech information processor 8, speech information processor 8 reads the voice messaging of corresponding numbering successively from voice message memory 9, then be converted to sound signal and output to earphone 6 by headset plug 7, output to loudspeaker 5 by the loudspeaker connecting line in ECU wire and cable connector 11.
The information of voice broadcast could be divided into information and indication information two kinds, and such as in system, without any reporting during problem, " all are normal for your electric injection system for information! " and indication information is generally when having diagnosed out certain fault or certain several fault; the fault handling reported together with information and maintenance instruction; as " your Injection Control is abnormal, please check fuel injector connecting line, plug, fuse etc., or check that whether oil circuit not smooth further? " " your engine idle rotational is too high; please idle screw is regulated half-turn to the inside, or checks that draft tube has gas leakage? " Deng.
Manipulation of switches 230 can have multiple, for carrying out scene manipulation to some function of ECU, such as, can be used for opening or closing voice broadcast, regulate voice broadcast volume, checks different MIL instructions (when failure modes is a lot of paging classification display fault) etc.Manipulation of switches can be ON-OFF switch, such as toggle switch, also can be the button producing pulse signal.
Fig. 2 is the ECU embodiment two of the present invention.In the present embodiment, ECU100 divide into 2 parts and encapsulates, and be namely made up of the first encapsulation 101 and the second encapsulation 102, both are coupled together by cable 16.Include in first encapsulation 101: control the output circuit 1 of all actuators 300 work, the ECU microprocessor (control MCU) 2 carrying out controlling calculation process, ECU and outside communication interface 3, ECU communicating circuit 4, the ECU input circuit 10 processing various input signal and ECU wire and cable connector 11.Second encapsulation 102 includes: speech information processor 8, voice message memory 9 and loudspeaker device (loudspeaker) 5.
The advantage of the ECU embodiment two of the present invention shown in Fig. 2 is, first encapsulation and the second encapsulation at engine or can carry that the device (such as motorcycle, gas-liquid-liquid three-phase flow etc.) of this engine is upper freely to be arranged respectively, be conducive to meeting requirements different separately, such as the first encapsulation will go hidden anti-electromagnetic interference (EMI) so be preferably enclosed in certain space, and the second encapsulation requires that sound can not spread out of so will open to the outside world with being shielded.
In the ECU embodiment three of the present invention shown in Fig. 3, ECU100 also divide into 2 parts and encapsulates, wherein the first encapsulation 101 is substantially identical with embodiment two, but the second encapsulation 102 includes: speech information processor 8, voice message memory 9, earphone socket plug 7, communication microprocessor 12, GPRS network module 13 and GPS module 14.First encapsulation is connected by ECU cable 17 with the second encapsulation, both-way communication between the two.GPRS network module 13 can realize wireless digital communication with public wireless network (as 3G151), and the position that GPS module can be determined residing for ECU according to GPS at any time, can be used for measuring the operating range, the speed of a motor vehicle etc. of the motorcycle of the ECU carrying the present invention etc., oil consumption.
The ECU embodiment three of the present invention shown in Fig. 3 is except realizing the function of above-described embodiment one and two, ECU can also be realized and realize communication with the computing machine of the long-range after sale service call center be connected on public network (such as internet) at any time, after sale service call center will be sent to for information about in ECU, or receive the instruction from after sale service call center.Wherein ECU microprocessor 2 still controls the work of speech information processor 8, and exchange information with communication microprocessor 12 both-way communication, know the indication information of long-range after sale service call center 150, and ECU information is sent to after sale service call center 150 by GPRS network module 13.ECU microprocessor 2, in the selection of broadcast voice information, can carry out logical process as shown in Figure 6.The course of work is as follows:
After step 41 powers on, ECU microprocessor 2 judges whether voice broadcast handoff request (comprising from communication microprocessor 12 and the handoff request by gauge tap 230) in step 42, judge if handoff request is from communication microprocessor 12 in step 44, so switch to the preferential voice messaging pattern reported from communication microprocessor in step 48, and opening voice reports service immediately, if handoff request is from gauge tap 230, so judge that current speech is reported service and whether is in closed condition in step 45, if be in closed condition, opening voice reports service so immediately, if not being in closed condition (=be in opening), close voice broadcast service so immediately." voice system is opened first can to report a bar state information when voice broadcast function is switched to opening! " when voice broadcast function will be switched to closed condition, can " voice system be closed, and please care for appearances instruction more in report one bar state information! " after be switched to closed condition again.
In the ECU embodiment four of the present invention shown in Fig. 4, ECU100 also divide into 2 parts and encapsulates, from embodiment illustrated in fig. 3 three to be differently, wherein the first encapsulation 101 further comprises local area radio communicating circuit 15, as bluetooth or Wi-Fi, second encapsulation 102 also comprises local area radio communicating circuit, and as bluetooth or Wi-Fi, therefore the first encapsulation and the second encapsulation just can by mode (the such as Bluetooth signal 103) both-way communications of local area radio communication.In embodiment illustrated in fig. 4, the second encapsulation 102 one can be adopted can to go up mobile phone 114 that public wireless net carries out data communication, as long as write and run one section of special application program in mobile phone.Second encapsulation 102(mobile phone 114) by public wireless net (such as 3G network 151) can with long-range after sale service call center 150 communications exchange information.
Fig. 5 is the ECU embodiment five of the present invention.Wherein ECU100 also divide into 2 parts and encapsulates, first encapsulation 101 is identical with Fig. 3, but the second encapsulation 102 includes speech information processor 8, voice message memory 9, earphone socket plug 7, communication microprocessor 12 and local local area radio communicating circuit 15.Therefore, ECU can be connected with a mobile phone 114 by local wireless communication, and mobile phone 114, again by public wireless net (such as 3G151) and long-range after sale service call center 150 communication, realizes exchanging information with ECU.
Fig. 7 is the schematic diagram ECU of the present invention being applied in an EFI gas-liquid-liquid three-phase flow.Engine electronic control system circuit 408 wherein includes ECU microprocessor and imput output circuit, and Energy control and testing circuit 407 are used for the power supply of control ECU, are particularly used for realizing standby self-checking function described later.Speech information processor 8, voice message memory 9, earphone socket plug 7 is also included in ECU100, can an external loudspeaker 5 by earphone socket plug 7.ECU100 is connected to various sensors 200 on engine 402 and actuator by cable, and actuator comprises: fuel injector 301, lighter 302 and electronic throttle 305.Be arranged on the voice broadcast change-over switch 232 on genset instrument face plate 500 and malfunction indicator lamp (MIL) 304 in addition in addition, be also connected to ECU100 by cable.
As shown in Figure 7, generator 401 drives generating by petrol engine 402, charges through the supply electrical load 400 of transformation device 403 output AC electricity and accumulators 404.Accumulator 404 is by two-way to engine electric-controlled unit (ECU) power supply, and Energy control is accessed and Energy control and testing circuit 407 are directly accessed in testing circuit 407, tunnel 406 through ignition control switch 405 in a road.By manipulation ignition control switch 405, can start at any time or close down genset.
In the control program of ECU100, include fault diagnosis and instruction program code, instruction comprises to be carried out visual instruction by MIL304 and carries out voice instruction by voice announcer (loudspeaker) 5.Voice instruction content could comprise the fault such as engine condition and breakdown maintenance suggestion to the significant information of user, and such as, when ECU100 will start starting engine, voice message " note that engine is about to start! " can also close or reopen language version service by manipulation voice broadcast change-over switch 232.
The ECU of the present invention as shown in Figure 7, also comprises the program code that standby self-inspection runs engine.Its course of work as shown in Figure 8.When ignition control switch 405 is in off-state, ECU100 at holding state (step 51) and will judge whether to start circulation between request (step 52), and when ignition control switch 405 connects accumulator 404, or when ECU judges to need starting engine to run certain hour (such as genset standing time more than 30 days) voluntarily, acquisition one is started request by ECU100, thus enter step 53 pair engine system and carry out fault diagnosis, the system state of fault diagnosis result is comprised in step 54 instruction, system state is reported by voice in step 55, and voice broadcast safety instruction, such as " please note, engine is about to start! " if discovery system meets the condition (step 56) that engine can start, then enter step 57 starting engine immediately.If but found that there is fault and can not starting engine in step 56, would so enter step 62, repeat voice broadcast fault, and the situation that can not start is described.The number of times of repeatedly broadcasting can be preset in ECU program.Such as, start in set-up procedure and find that fuel injector 301 connects and break down, can circulate and play voice for 4 times " your engine has fault, and fuel injector may not connect, cannot starting engine.Please check fuel injector connector or fuse, rerun after reparation." in the genset normal course of operation of step 58; whether circular test has the engine request of running abort (step 59); the request of running abort may come from ignition control switch 405 and disconnect suddenly; also may come from engine self-inspection running time counter; as long as there is the engine request of running abort, just enters step 60 and close down engine, then voice broadcast information; as " engine self-inspection runs and terminates, and will enter holding state." or " genset normal operation terminates, and please tidy up related articles, is pulled up by genset institute bringing onto load from out-put supply socket.Genset will enter holding state." then enter holding state (step 51).
Fig. 9 is the schematic diagram be applied in by the ECU of the present invention on a motorcycle with electronic fuel injection system.ECU first encapsulates and 101 encapsulates 102 by cable and ECU second, earphone 6, pulsed fuel injector 301, be connected without nearly angle CDI lighter 302, MIL304, cylinder head temperature sensor 201, exhaust gas oxygen sensor 202, rotating speed footmark sensor 206, intake air temperature sensor 205, throttle position sensor (TPS) 204, motorcycle key switch 231 and storage battery (charging accumulator) 404.Pulsed fuel injector 301 provides fuel oil by fuel tank 310 through fuel oil filter and oil-gas separator 311, fuel oil is sprayed into (near inlet valve seat) in engine inlets under control of the ecu.Motorcycle after sale service remote call center 150 can encapsulate 102 communications with ECU second by public wireless network (3G network).ECU can show fault diagnosis result by MIL304, and report dependent voice information by earphone 6, comprise the fault diagnosis result of ECU to electric injection system and the report of status information, and to the indication information how fault processes, also comprise the voice indication information from motorcycle after sale service remote call center 150.
In order to realize the switching of voice broadcast state, namely close or open the voice broadcast function of motorcycle electric spraying system ECU, step shown in Figure 10 can be comprised, namely by the logic of engine ignition key switch Schema control voice broadcast function switching at the control program code of ECU.Its mentality of designing is when ECU inside has temporary transient power down maintenance or idle power supply, certain operator scheme of ignition key switch 231 is utilized to be used as voice broadcast handoff request, if number of operations namely within a certain period of time reaches prespecified number of times, just obtain a voice broadcast handoff request.
In Fig. 10, it is KNt>1 that prespecified voice broadcast function handoff request opens key frequency threshold value, such as, can specify KNt=3; The maximum duration that prespecified voice broadcast function handoff request completes and cumulative time threshold value are DT0, such as, can specify DT0=4 second; The prespecified the shortest standby duration T sd recalculating out key number of times, such as, can specify Tsd=1.5 second.
In preliminary step 21, ECU waits for ignition key closed (ON), step 22 compute switch closes number of times KN and makes stand-by time return-to-zero, step 23 calculates the cumulative time Ton first after closed (ON) of ignition key after return-to-zero, step 24 judges cumulative time Ton whether within setting-up time threshold value DT0, i.e. whether Ton<DT0? if just enter step 25, step 25 judges that ignition key closes number of times KN and whether is more than or equal to prespecified frequency threshold value KNt, if just enter step 26, step 26 pair current speech is reported state and is switched, then switch is made to close number of times KN return-to-zero in step 27, and enter step 28.More than judge if there is one also directly to enter step 28 as no.Step 28 judges whether ignition key turns off, if just enter step 29, calculates standby duration T off, just enters normal control step 33 if not, and turn back to step 23.Step 30 is entered after step 29 completes, judge whether stand-by time is greater than preset value Tsd, i.e. whether Toff>Tsd, if just enter step 31, carry out return-to-zero and other standby process, and return step 21, just enter step 32 if not, judge that whether again closed (ON) ignition key, if closed, returns step 22, keep off state then to return step 29.
The object of above-described embodiment is in order to the present invention is described, but does not limit the present invention.The design of all the present invention of utilization and Spirit Essence carry out, apparent change design for the those of ordinary skill of this area, still belongs to the protection domain of the claim of the present invention.
Claims (12)
1. a compact internal combustion engine electric injection system ECU, comprise the ECU microprocessor for controlling combustion engine oil spout and igniting, it is characterized in that: comprise communication microprocessor, speech information processor and voice message memory, voice message memory store digital file format wait report content, report content and comprise the maintenance service of engine and electric injection system thereof and status information or the indication information from communication microprocessor, wherein service and the speech information content of state are stored in voice message memory by classifying and numbering in advance, according to self diagnosis result, ECU microprocessor determines that the voice messaging needing to carry out voice broadcast is numbered and numbering combination, and send to speech information processor, speech information processor reads the voice messaging of corresponding numbering successively from voice message memory, play successively in order, or the voice indication information obtained from communication microprocessor sends to speech information processor to play by ECU microprocessor.
2. compact internal combustion engine electric injection system ECU as claimed in claim 1, is characterized in that: comprise report device, reports device and is connected with speech information processor.
3. compact internal combustion engine electric injection system ECU as claimed in claim 2, is characterized in that: report device and comprise loudspeaker.
4. compact internal combustion engine electric injection system ECU as claimed in claim 2, is characterized in that: report device and comprise an earphone.
5. the compact internal combustion engine electric injection system ECU as described in claim 3 or 4, it is characterized in that: described electric injection system ECU comprises the first encapsulation and the second encapsulation, wherein the first encapsulation comprises ECU microprocessor, and the second encapsulation comprises speech processor and speech memory.
6. compact internal combustion engine electric injection system ECU as claimed in claim 5, is characterized in that: described ECU second encapsulation comprises communication microprocessor and public network communication module, and described ECU microprocessor and described communication microprocessor are interconnected in the mode of communication.
7. compact internal combustion engine electric injection system ECU as claimed in claim 6, is characterized in that: described first encapsulation comprises local area radio communication device, and is interconnected by this local area radio communication device with the second encapsulation.
8. compact internal combustion engine electric injection system ECU as claimed in claim 6, is characterized in that: described first encapsulation and the second encapsulation are interconnected by wired mode, and the second encapsulation comprises local area radio communication device.
9. the compact internal combustion engine electric injection system ECU as described in claim 6 or 8, is characterized in that: the public network communication module in described second encapsulation is wireless device.
10. the compact internal combustion engine electric injection system ECU as described in claim 6 or 8, is characterized in that: described second encapsulation comprises global pick device.
The voice service method of 11. 1 kinds of compact internal combustion engines, for help engine user or maintenance personal understand in time machine state and break down or need service time take correct measure, comprise the ECU microprocessor for controlling combustion engine oil spout and igniting, communication microprocessor, speech information processor and voice message memory, voice message memory store digital file format wait report content, report content by ECU Microprocessor S3C44B0X, it is characterized in that, comprise the following steps: a) using through the associated engine of classifying and numbering and the state of electric injection system thereof and maintenance service information as waiting to report classifying content numbering and stored in voice message memory, b) ECU microprocessor produces at least one classifying and numbering according to fault diagnosis result and COS, and be that index processes relevant report content successively to speech information processor issuing command with classifying and numbering, speech information processor is converted into sound signal.
The voice service method of 12. compact internal combustion engines as claimed in claim 11, it is characterized in that, comprise and utilize the operator scheme of the ignition key switch preset to determine the method for voice broadcast state handoff request, and receive outside voice indication information by communication microprocessor, and select by ECU Microprocessor S3C44B0X the method playing this information, comprise the following steps: c) ECU microprocessor internal program has judged whether voice broadcast handoff request; If d) have voice broadcast handoff request and from communication microprocessor, then preferentially report the content provided by communication microprocessor.
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| CN103745512B (en) * | 2013-12-31 | 2017-02-15 | 深圳坚朗海贝斯智能科技有限公司 | Voice navigation method of intelligent electronic lock system with voice navigation function |
| CN104564480B (en) * | 2014-12-30 | 2016-07-06 | 浙江锋龙电气股份有限公司 | A kind of device with miniature gasoline engine lighter communication |
| CN108252809B (en) * | 2017-12-27 | 2020-07-24 | 深圳常锋信息技术有限公司 | Power control system and aircraft |
| CN109035736A (en) * | 2018-08-27 | 2018-12-18 | 洛阳天唯电子有限公司 | A kind of pronunciation type motor control method and system |
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Effective date of registration: 20160901 Address after: 550003, Guizhou, Guiyang province new security zone, high-end equipment manufacturing industry Park South Park (Building 8) Patentee after: To electronic (Guizhou) Co. Ltd. Address before: Hangzhou City, Zhejiang province Yuhang District 311121 West Street warehouse before No. 1500 Building 1 room 110 Patentee before: Zhejiang FAI Electronics Co., Ltd. |