CN102748185A - EMS (Engine Management System) and PEPS (Passive Entry Passive Start) single-relay starter control system and implementation method - Google Patents
EMS (Engine Management System) and PEPS (Passive Entry Passive Start) single-relay starter control system and implementation method Download PDFInfo
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- CN102748185A CN102748185A CN2012102140214A CN201210214021A CN102748185A CN 102748185 A CN102748185 A CN 102748185A CN 2012102140214 A CN2012102140214 A CN 2012102140214A CN 201210214021 A CN201210214021 A CN 201210214021A CN 102748185 A CN102748185 A CN 102748185A
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Abstract
The invention discloses an EMS (Engine Management System) and PEPS (Passive Entry Passive Start) single-relay starter control system and an implementation method. The EMS and PEPS single-relay starter control system comprises a starting button/switch, a starting relay, an EMS controller, a PEPS controller and a starter, wherein the starter is connected with power voltage through the switch of the starting relay; the default state of the starting relay is off; high end voltage of a coil of the starting relay is controlled by the PEPS controller, and low end voltage of the coil of the starting relay is controlled by the EMS controller; a signal of the starting button/switch is monitored by the PEPS controller; and the PEPS controller communicates with the EMS controller to control closing or opening of the starting relay together. According to the EMS and PEPS single-relay starter control system, the single relay is controlled to realize starting by cooperatively using the EMS controller and the PEPS controller, quick, safe and reliable starting of the starter is finished through mutual logic matching of the two controllers, the comfort is considered, one relay is saved, and the cost is saved.
Description
Technical field
The present invention relates to a kind of start control system of vehicle, also relate to the implementation method of this start control system.
Background technique
Automotive electronic technology has developed into polytechnic fourth-generation systems such as comprising electronic technology, control theory, sensor technology, network technique, electromechanical integration coupling interleaving techniques at present.The electronic equipment of limousine has accounted for more than 1/3 of car load cost especially.
Traditional starter motor control realizes through mechanical key all that generally it mainly adopts electromagnetically-operated formula control gear.It is generally by the ignition switch control relay, and the main switch by relay control starter motor switches on or off main circuit again, also claims the electromagnetic control type starter motor.This control mode starting steadily, and is simple and convenient, extensively adopts on the automobile in modern times.
Along with growth in the living standard, people require increasingly high to the automobile ride comfort, particularly in the vehicle starting process, not only require starting steadily, also require to have certain driving enjoyment.Traditional mechanical key starting system can't satisfy this requirement; And it is sometimes flame-out easily in starting process; The appearance of no key entering starting system (PEPS) not only can remedy the defective of mechanical key starting system; And can increase comfortable driving enjoyment, safety and reliability to the driver.
Existing at present a lot of method that gets into starting system control starter motor to no key; Engine management system (Engine Management System is for example arranged; Abbreviation EMS) independent control, EMS and car body control module (Body Control Module; Be called for short BCM) control etc. separately of Collaborative Control, BCM, these methods generally all adopt the logic of two relays to cooperate the break-make of control starting circuit, make starting safe and reliable.But, adopt two relays can cause the increase of development cost and volume production cost, Economy is bad.
Summary of the invention
Technical problem to be solved by this invention provides single relay starter control system and the implementation method of a kind of EMS+PEPS, can replace existing double relay start control system, realizes quick, safe and reliable starting, and reduces cost.
For solving the problems of the technologies described above, single relay starter control system of EMS+PEPS provided by the invention comprises starting button/switch, starter relay, EMS controller, PEPS controller and starter motor;
Said starter motor links to each other with supply voltage through the switch of starter relay;
The default conditions of said starter relay are for opening circuit, and the high terminal voltage of its coil is by the control of PEPS controller, and low terminal voltage is controlled by the EMS controller;
The signal of said PEPS monitoring control devices starting button/switch, and be connected the closed of common control starter relay with the communication of EMS controller or break off.
Further, pass through the CAN bus communication between said EMS controller and the PEPS controller.
Wherein, said EMS controller includes the under-voltage protection circuit.
For solving the problems of the technologies described above; The present invention also provides the implementation method of single relay starter control system of a kind of EMS+PEPS; The high terminal voltage of PEPS controller control starter relay; The low terminal voltage of EMS controller control starter relay, the two carries out communication and controls starter motor through starter relay.
Further, when the vehicle launch demand, starting button/switch on; After the PEPS controller receives the closure signal of starting button/switch; The high terminal voltage of control starter relay is drawn high, and the PEPS controller sends the start request signal to the EMS controller simultaneously, and the EMS controller carries out the starting conditions judgement after receiving said start request signal; When starting conditions satisfies; The low terminal voltage of EMS controller control starter relay drags down, the switch adhesive of starter relay, and starter motor obtains the power supply entry into service and drives engine start; After motor successfully starts; The EMS controller breaks off the low terminal voltage of starter relay; Send to the PEPS controller simultaneously and start into function signal; The PEPS controller receives said starting the into behind the function signal the high terminal voltage of starter relay is broken off, and the switch of starter relay breaks off, and starter motor loses power supply and shuts down.
Wherein, said PEPS controller sends the start request signal through the CAN bus to the EMS controller, and the EMS controller sends to the PEPS controller through the CAN bus and starts into function signal.
Wherein, said EMS controller is gathered the tach signal of motor, and the transmitter rotating speed reaches corresponding rated engine speed under different temperatures, and the EMS controller judges that motor successfully starts.
Further, said PEPS controller receives the closure signal of starting button/switch, carries out internal logic and judges back control starter relay is high-end and draw high; Wherein, the condition of passing through of PEPS controller internal logic judgement is to be in P/N shelves, normal, the no fault generation of high-end control circuit diagnosis.
Further, the starting conditions of said EMS controller comprises that engine speed is zero, motor starting last time is passed through greater than threshold value, engine anti-theft authentication with this starting blanking time.
Further; Drive in the engine start process at starter motor; The EMS controller judges according to starter motor control command signal, starter motor feedback of status line signal, engine rotational speed signal, battery tension signal whether starter motor stall takes place; When stall took place, the EMS controller stopped starting process immediately with the protection starter motor.
The present invention adopts EMS controller and the single relay of PEPS controller Collaborative Control to realize starting; Cooperate quick, the safe and reliable starting of completion starter motor through the mutual logic between two controllers; Not only take into account travelling comfort, and saved a relay, practiced thrift cost.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Wherein description of reference numerals is following:
1 is starting button/switch; 2 is starter relay; 3 is the EMS controller; 4 is the PEPS controller; 5 is starter motor; 6 is motor; 7 is the CAN bus.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Consult accompanying drawing, be the schematic representation of single relay starter control system of EMS+PEPS of the present invention, it comprises starting button/switch 1, starter relay 2, EMS controller 3, PEPS controller 4 and starter motor 5.Wherein, starter motor 5 links to each other with UBD (directly link to each other with power supply, the centre does not have load) through the switch of starter relay 2; The default conditions of starter relay 2 are for opening circuit, and the high terminal voltage of its coil is by 4 controls of PEPS controller, and low terminal voltage is by 3 controls of EMS controller; PEPS controller 4 connection UBR (through the power supply of starter relay), it monitors the signal of starting button/switch 1, and passes through 7 communications of CAN bus with EMS controller 3, controls the closed or disconnection of starter relay 2 jointly.
When the starting vehicle needs; The driver steps on braking pedal and presses starting button/switch 1, after PEPS controller 4 receives this signal, judges (for example whether to be in the P/N shelves through internal logic; High-end control circuit diagnostic result is normal; Fault etc. does not take place), control starter relay 2 high terminal voltages then and draw high, PEPS controller 4 sends the start request signal through CAN bus 7 to EMS controller 3 simultaneously.After EMS controller 3 receives this start request signal; Judge at first whether starting conditions satisfies; Comprising engine speed be zero, motor starting last time satisfies condition (must beat tooth to prevent starter motor blanking time greater than certain threshold value) with this starting blanking time, the engine anti-theft authentication is passed through etc., if above full terms all satisfies, EMS control starter relay 2 hangs down terminal voltages and drags down; Starter relay 2 adhesives, starter motor 5 obtain the power supply entry into service and drag motor 6 startings.
EMS controller 3 is judged whether success of starting through the rotating speed of motor 6, and when the rotating speed of motor 6 reaches the rated engine speed (under the different temperatures, starting successful rated engine speed difference) of different water temperature, EMS controller 3 is thought and started successfully.After 3 judgements of EMS controller are started successfully; The low terminal voltage of breaking off starter relay 2 on the one hand; Send to PEPS controller 4 through CAN bus 7 on the other hand and start into function signal, after PEPS controller 4 receives and starts into function signal, break off the high terminal voltage of starter relay 2.So just accomplished control to the starter motor starting process.
In starting process; EMS controller 3 judges whether stall takes place starter motor 5 (EMS output control command signal, starter motor feedback of status line output high level, storage battery have voltage drop and engine speed is 0 or less than certain threshold value according to starter motor control command signal, starter motor feedback of status line signal, engine rotational speed signal, battery tension signal etc.; Then think starter motor generation stall fault); Because stall may damage starter motor 5, cause serious consequence, therefore in case detect the generation stall; EMS controller 3 can stop starting process immediately, with protection starter motor 5.
Except that starter motor 5 stalls; The sticking together, open a way of 3 pairs of starter relaies 2 of EMS controller; The short ground of driving stage, short power supply, open circuit; And there is corresponding Fault Diagnosis Strategy on the short ground of starter motor feedback line, short power supply, in case find fault, EMS controller 3 can be recorded in corresponding fault type in the failure memory.Above-mentioned Fault Diagnosis Strategy has different priority and safety class in EMS controller 3 inside; EMS controller 3 can judge whether this fault can have influence on safe starting when taking place according to different fault types; If the stall fault (takes place in influence; Burn out starter motor easily if continue starting) then stop starting process at once, then continue starting as not influencing, guarantee driver's starting wish to greatest extent; Record trouble in internal memory has guaranteed the Security of starting process and the integrity of strategy so simultaneously.
When vehicle under cryogenic conditions; Starting process possibly cause battery tension to descend rapidly; And might let EMS controller 3 reset; So hardware driving of the present invention (being arranged in the ECU control unit of EMS controller 3) has adopted the under-voltage protection circuit, the control pin pin of EMS controller 3 still drags down like this, has guaranteed the starting under low temperature even the utmost point cryogenic conditions to greatest extent.
The single relay Collaborative Control starter motor of EMS+PEPS and corresponding Fault Diagnosis Strategy have guaranteed the safe and reliable of starter motor control among the present invention; Realized the effect of double relay control starter motor equally; And saved a relay, reduced cost, certain economic benefits has been arranged.
More than through specific embodiment the present invention has been carried out detailed explanation, this embodiment only is preferred embodiment of the present invention, it is not to limit the invention.Under the situation that does not break away from the principle of the invention, equivalent replacement and improvement that those skilled in the art makes the structure of control system and control strategy etc. are in the technological category that all should be regarded as protecting in the present invention.
Claims (10)
1. single relay starter control system of an EMS+PEPS is characterized in that: comprise starting button/switch, starter relay, EMS controller, PEPS controller and starter motor;
Said starter motor links to each other with supply voltage through the switch of starter relay;
The default conditions of said starter relay are for opening circuit, and the high terminal voltage of its coil is by the control of PEPS controller, and low terminal voltage is controlled by the EMS controller;
The signal of said PEPS monitoring control devices starting button/switch, and be connected the closed of common control starter relay with the communication of EMS controller or break off.
2. single relay starter control system of EMS+PEPS according to claim 1 is characterized in that: pass through the CAN bus communication between said EMS controller and the PEPS controller.
3. single relay starter control system of EMS+PEPS according to claim 1, it is characterized in that: said EMS controller includes the under-voltage protection circuit.
4. the implementation method of single relay starter control system of EMS+PEPS as claimed in claim 1; It is characterized in that: the high terminal voltage of PEPS controller control starter relay; The low terminal voltage of EMS controller control starter relay, the two carries out communication and controls starter motor through starter relay.
5. the implementation method of single relay starter control system of EMS+PEPS according to claim 4 is characterized in that:
When the vehicle launch demand; Starting button/switch on, after the PEPS controller received the closure signal of starting button/switch, the high terminal voltage of control starter relay was drawn high; The PEPS controller sends the start request signal to the EMS controller simultaneously; The EMS controller carries out the starting conditions judgement after receiving said start request signal, and when starting conditions satisfied, the low terminal voltage of EMS controller control starter relay dragged down; The switch adhesive of starter relay, starter motor obtains the power supply entry into service and drives engine start;
After motor successfully starts; The EMS controller breaks off the low terminal voltage of starter relay; Send to the PEPS controller simultaneously and start into function signal; The PEPS controller receives said starting the into behind the function signal the high terminal voltage of starter relay is broken off, and the switch of starter relay breaks off, and starter motor loses power supply and shuts down.
6. the implementation method of single relay starter control system of EMS+PEPS according to claim 5; It is characterized in that: said PEPS controller sends the start request signal through the CAN bus to the EMS controller, and the EMS controller sends to the PEPS controller through the CAN bus and starts into function signal.
7. the implementation method of single relay starter control system of EMS+PEPS according to claim 5; It is characterized in that: said EMS controller is gathered the tach signal of motor; The transmitter rotating speed reaches corresponding rated engine speed under different temperatures, and the EMS controller judges that motor successfully starts.
8. the implementation method of single relay starter control system of EMS+PEPS according to claim 5; It is characterized in that: said PEPS controller receives the closure signal of starting button/switch, carries out internal logic and judges back control starter relay is high-end and draw high; Wherein, the condition of passing through of PEPS controller internal logic judgement is to be in P/N shelves, normal, the no fault generation of high-end control circuit diagnosis.
9. the implementation method of single relay starter control system of EMS+PEPS according to claim 5 is characterized in that: the starting conditions of said EMS controller comprises that engine speed is zero, motor starting last time is passed through greater than threshold value, engine anti-theft authentication with this starting blanking time.
10. the implementation method of single relay starter control system of EMS+PEPS according to claim 5; It is characterized in that: drive in the engine start process at starter motor; The EMS controller judges according to starter motor control command signal, starter motor feedback of status line signal, engine rotational speed signal, battery tension signal whether starter motor stall takes place; When stall took place, the EMS controller stopped starting process immediately with the protection starter motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102140214A CN102748185A (en) | 2012-06-26 | 2012-06-26 | EMS (Engine Management System) and PEPS (Passive Entry Passive Start) single-relay starter control system and implementation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102140214A CN102748185A (en) | 2012-06-26 | 2012-06-26 | EMS (Engine Management System) and PEPS (Passive Entry Passive Start) single-relay starter control system and implementation method |
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| CN102748185A true CN102748185A (en) | 2012-10-24 |
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| CN2012102140214A Withdrawn CN102748185A (en) | 2012-06-26 | 2012-06-26 | EMS (Engine Management System) and PEPS (Passive Entry Passive Start) single-relay starter control system and implementation method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103324099A (en) * | 2013-04-26 | 2013-09-25 | 福建龙湖环保科技有限公司 | Control method for electromagnetic hammer relay |
| CN103821653A (en) * | 2013-01-11 | 2014-05-28 | 安徽省智纯动力科技有限公司 | Starter starting protection logic controller |
| CN105298709A (en) * | 2015-09-25 | 2016-02-03 | 重庆长安汽车股份有限公司 | Engine starting control system and control method |
| CN106194541A (en) * | 2016-08-31 | 2016-12-07 | 东风汽车公司 | One-touch automobile starting protection circuit and method thereof |
| CN106894899A (en) * | 2015-12-17 | 2017-06-27 | 北汽福田汽车股份有限公司 | Vehicle launch control method and control system with PEPS |
| CN108583468A (en) * | 2018-04-08 | 2018-09-28 | 东风柳州汽车有限公司 | The control of motor vehicle starting device and method for diagnosing faults |
| CN110206672A (en) * | 2019-05-06 | 2019-09-06 | 浙江吉利控股集团有限公司 | A kind of starter overload protection method, system and vehicle |
| CN110700983A (en) * | 2018-07-10 | 2020-01-17 | 联合汽车电子有限公司 | Starter control method and relay diagnosis method |
| CN114537138A (en) * | 2022-04-26 | 2022-05-27 | 杭叉集团股份有限公司 | Control method and control system for safe starting of static pressure transmission industrial vehicle |
| CN115596589A (en) * | 2021-07-08 | 2023-01-13 | 北京福田康明斯发动机有限公司（Cn） | Starter protection method, system and device of starter |
| CN116653854A (en) * | 2023-07-11 | 2023-08-29 | 浙江春风动力股份有限公司 | motorcycle |
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2012
- 2012-06-26 CN CN2012102140214A patent/CN102748185A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821653A (en) * | 2013-01-11 | 2014-05-28 | 安徽省智纯动力科技有限公司 | Starter starting protection logic controller |
| CN103821653B (en) * | 2013-01-11 | 2016-02-03 | 安徽省智纯动力科技有限公司 | Starter motor start protection logic controller |
| CN103324099B (en) * | 2013-04-26 | 2016-12-28 | 福建龙湖环保科技有限公司 | A kind of control method for electromagnetic hammer relay |
| CN103324099A (en) * | 2013-04-26 | 2013-09-25 | 福建龙湖环保科技有限公司 | Control method for electromagnetic hammer relay |
| CN105298709A (en) * | 2015-09-25 | 2016-02-03 | 重庆长安汽车股份有限公司 | Engine starting control system and control method |
| CN106894899A (en) * | 2015-12-17 | 2017-06-27 | 北汽福田汽车股份有限公司 | Vehicle launch control method and control system with PEPS |
| CN106194541A (en) * | 2016-08-31 | 2016-12-07 | 东风汽车公司 | One-touch automobile starting protection circuit and method thereof |
| CN106194541B (en) * | 2016-08-31 | 2018-06-26 | 东风汽车公司 | One-touch automobile starting protection circuit and its method |
| CN108583468A (en) * | 2018-04-08 | 2018-09-28 | 东风柳州汽车有限公司 | The control of motor vehicle starting device and method for diagnosing faults |
| CN110700983A (en) * | 2018-07-10 | 2020-01-17 | 联合汽车电子有限公司 | Starter control method and relay diagnosis method |
| CN110206672A (en) * | 2019-05-06 | 2019-09-06 | 浙江吉利控股集团有限公司 | A kind of starter overload protection method, system and vehicle |
| CN115596589A (en) * | 2021-07-08 | 2023-01-13 | 北京福田康明斯发动机有限公司（Cn） | Starter protection method, system and device of starter |
| CN114537138A (en) * | 2022-04-26 | 2022-05-27 | 杭叉集团股份有限公司 | Control method and control system for safe starting of static pressure transmission industrial vehicle |
| CN116653854A (en) * | 2023-07-11 | 2023-08-29 | 浙江春风动力股份有限公司 | motorcycle |
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Application publication date: 20121024 |