CN107448342B - A kind of engine startup method and system - Google Patents
A kind of engine startup method and system Download PDFInfo
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- CN107448342B CN107448342B CN201710625111.5A CN201710625111A CN107448342B CN 107448342 B CN107448342 B CN 107448342B CN 201710625111 A CN201710625111 A CN 201710625111A CN 107448342 B CN107448342 B CN 107448342B
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- control unit
- signal
- relay
- pickup signal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
Abstract
The present invention relates to a kind of engine startup method and systems, method includes the following steps: obtaining the first enabling signal, are sent respectively to control unit for vehicle, electronic control unit and starting relay；Starting relay generates the first pickup signal after being attracted, and is sent to electronic control unit；When the first enabling signal is correct, it successively controls the first relay and the second relay is attracted, the second pickup signal and third pickup signal are respectively obtained, and the second pickup signal is sent to electronic control unit, third pickup signal is sent respectively to control unit for vehicle and electronic control unit；When third pickup signal is correct, generates the second enabling signal and be sent to electronic control unit；Engine is started by electronic control unit.A kind of engine startup method and system provided by the invention, with high security, the advantages of being not easy maloperation, and the speed for starting engine is fast.
Description
Technical field
The present invention relates to engine art more particularly to a kind of engine startup methods and system.
Background technique
Currently, usually passing through ECU (Electronic Control Unit, electronics for the Starting mode of tractor vehicle
Control unit) start, ECU, in conjunction with the manipulation of driver, can start tractor after being connected to the signal of starting relay.
However above-mentioned starting method has the shortcomings that safety is poor, during actually using tractor, there are maloperations
Hidden danger.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of engine startup method and
System.
The technical scheme to solve the above technical problems is that
A kind of engine startup method, comprising the following steps:
Step 1, the first enabling signal is obtained, first enabling signal is sent respectively to control unit for vehicle, electronics
Control unit and starting relay；
Step 2, the starting relay generates the first pickup signal after being attracted according to first enabling signal, and by institute
It states the first pickup signal and is sent to the electronic control unit；
Step 3, judge whether first enabling signal is correct by the control unit for vehicle；
Step 4, it when first enabling signal is correct, successively controls the first relay and the second relay is attracted, point
The second pickup signal and third pickup signal are not obtained, and second pickup signal is sent to the electronic control unit,
The third pickup signal is sent respectively to the control unit for vehicle and the electronic control unit；
Step 5, judge whether the third pickup signal is correct by the control unit for vehicle, when the third is attracted
When signal is correct, generates the second enabling signal and be sent to the electronic control unit；
Step 6, when the electronic control unit be respectively received first enabling signal, second enabling signal,
When first pickup signal, second pickup signal and the third pickup signal, start engine.
The beneficial effects of the present invention are: a kind of engine startup method provided by the invention, passes through electronic control unit point
Do not obtain the first enabling signal, the second enabling signal, the first pickup signal, the second pickup signal and third pickup signal, when point
When not receiving this 5 signals, just start engine, with high security, the advantages of being not easy maloperation, and start engine
Speed is fast.
Based on the above technical solution, the present invention can also be improved as follows.
Further, it in step 6, specifically includes:
When the electronic control unit is respectively received first enabling signal, second enabling signal, described
When one pickup signal, second pickup signal and the third pickup signal, the engine for generating the starting engine is opened
Dynamic instruction, is sent to the engine, makes the engine start.
Further, in step 4, specifically includes the following steps:
Step 4.1, when first enabling signal is correct, it is enabled to generate control first relay is attracted first
Signal, and it is sent to first relay；
Step 4.2, after first relay is attracted according to first enable signal, the second pickup signal is generated, and
Second pickup signal is sent to the electronic control unit；
Step 4.3, first relay obtains first pickup signal, and according to first pickup signal and institute
It states the second pickup signal and generates the second enable signal for controlling the second relay actuation, and be sent to second relay
Device；
Step 4.4, after second relay is attracted according to second enable signal, third pickup signal is generated, it will
The third pickup signal is sent respectively to the control unit for vehicle and the electronic control unit.
Further, before step 1, further comprising the steps of:
Step 7, third enabling signal is obtained, and the control unit for vehicle is started according to the third enabling signal.
Further, step 1 specifically includes: starting the pre- of shelves when detecting that the car key for starting the engine rotates to
If behind position, generating first enabling signal.
The another technical solution that the present invention solves above-mentioned technical problem is as follows:
A kind of engine starting system, comprising:
Start shelves, for obtain the first enabling signal, by first enabling signal be sent respectively to control unit for vehicle,
Electronic control unit and starting relay；
Starting relay, for the first pickup signal generated after being attracted according to first enabling signal to be sent to
The electronic control unit；
Control unit for vehicle for judging whether first enabling signal is correct, and works as first enabling signal just
When true, successively control the first relay and the second relay is attracted；
First relay for generating the second pickup signal after being attracted, and second pickup signal is sent to described
Electronic control unit；
Second relay for generating third pickup signal after being attracted, and the third pickup signal is sent respectively to
The control unit for vehicle and the electronic control unit；
The control unit for vehicle is also used to judge the third pickup signal, when the third pickup signal just
When true, generate the second enabling signal and be sent to the electronic control unit；
Electronic control unit, for being respectively received first enabling signal, described the when the electronic control unit
When two enabling signals, first pickup signal, second pickup signal and the third pickup signal, start engine.
Further, the electronic control unit is specifically used for being respectively received described first when the electronic control unit
Enabling signal, second enabling signal, first pickup signal, second pickup signal and the third pickup signal
When, the engine start instruction for starting the engine is generated, the engine is sent to, makes the engine start.
Further, the control unit for vehicle is specifically used for when first enabling signal is correct, generates control institute
The first enable signal of the first relay actuation is stated, and is sent to first relay；
First relay is specifically used for after being attracted according to first enable signal, generates the second pickup signal, and
Second pickup signal is sent to the electronic control unit；
First relay is also used to obtain first pickup signal, and according to first pickup signal and described
Second pickup signal, which generates, controls the second enable signal that second relay is attracted, and is sent to second relay；
Second relay is specifically used for after being attracted according to second enable signal, generates third pickup signal, will
The third pickup signal is sent respectively to the control unit for vehicle and the electronic control unit.
It is further, described to have started activation system further include:
Control unit for vehicle starter starts institute for obtaining third enabling signal, and according to the third enabling signal
State control unit for vehicle.
Further, the starting shelves, which are specifically used for working as, detects that the car key for starting the engine rotates to described open
After the predeterminated position of dynamic shelves, first enabling signal is generated.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of engine startup method provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of engine startup method flow chart；
Fig. 3 be another embodiment of the present invention provides a kind of engine starting system structural framing figure.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, being a kind of flow diagram of engine startup method provided in an embodiment of the present invention, the starting side
Method the following steps are included:
S101 obtains the first enabling signal, and it is single that the first enabling signal is sent respectively to control unit for vehicle, electronic control
Member and starting relay, wherein control unit for vehicle VCU, electronic control unit ECU, starting relay are any type
Relay, the original state of starting relay is not to be attracted, and the first enabling signal is starting control unit for vehicle, electronic control
The signal of unit and starting relay.
S102, starting relay generates the first pickup signal after being attracted according to the first enabling signal, and first is attracted and is believed
Number it is sent to electronic control unit.
Whether correct S103 judges the first enabling signal by control unit for vehicle, for example, it may be judged whether receiving correct
The first enabling signal.
S104 successively controls the first relay and the second relay and is attracted when the first enabling signal is correct, when first after
After electric appliance and the second relay are attracted, the second pickup signal and third pickup signal are respectively obtained, and the second pickup signal is sent out
Electronic control unit is given, third pickup signal is sent respectively to control unit for vehicle and electronic control unit.
S105 judges whether third pickup signal is correct by control unit for vehicle, when third pickup signal is correct, produces
Raw second enabling signal is sent to electronic control unit.
S106, when electronic control unit be respectively received the first enabling signal, the second enabling signal, the first pickup signal,
When the second pickup signal and third pickup signal, start engine.
It should be noted that electronic control unit starts engine by starter.
A kind of engine startup method provided in this embodiment obtains the first starting letter by electronic control unit respectively
Number, the second enabling signal, the first pickup signal, the second pickup signal and third pickup signal, when being respectively received this 5 signals
When, just start engine, with high security, the advantages of being not easy maloperation, and the speed for starting engine is fast.
As shown in Fig. 2, for another embodiment of the present invention provides a kind of engine startup method flow chart, the starting side
Method may include following steps:
S201 obtains third enabling signal, and starts control unit for vehicle according to third enabling signal, for example, user presses
The lower power on buttons connecting with control unit for vehicle, generates third enabling signal, starts control unit for vehicle.
S202 generates the first starting after the car key for detecting starting engine rotates to the predeterminated position of starting shelves
Signal obtains the first enabling signal, the first enabling signal is sent respectively to control unit for vehicle, electronic control unit and starting
Relay, wherein control unit for vehicle VCU, electronic control unit ECU, starting relay are any type of relay,
The original state of starting relay is not to be attracted, and the first enabling signal is starting control unit for vehicle, electronic control unit and opens
The signal of motor type relay.
It should be noted that car key here rotates to starting shelves predeterminated position, refer on car key and starting shelves
Key hole matching, key hole can be rotated to unlatching starting shelves, make start shelves generate the first enabling signal position,
Then the first enabling signal is sent respectively to control unit for vehicle, electronic control unit and starting relay by starting shelves.
S203, starting relay generates the first pickup signal after being attracted according to the first enabling signal, and first is attracted and is believed
Number it is sent to electronic control unit.
Whether correct S204 judges the first enabling signal by control unit for vehicle, for example, it may be judged whether receiving correct
The first enabling signal.
S205 successively controls the first relay and the second relay and is attracted when the first enabling signal is correct, when first after
After electric appliance and the second relay are attracted, the second pickup signal and third pickup signal are respectively obtained, and the second pickup signal is sent out
Electronic control unit is given, third pickup signal is sent respectively to control unit for vehicle and electronic control unit.
Specifically, step S205 can be refined as following steps:
S2051 generates the first enable signal that the first relay of control is attracted, concurrently when the first enabling signal is correct
Give the first relay；
S2052 after the first relay is attracted according to the first enable signal, generates the second pickup signal, and second is attracted
Signal is sent to electronic control unit；
S2053, the first relay obtains the first pickup signal, and is generated according to the first pickup signal and the second pickup signal
The second enable signal of the second relay actuation is controlled, and is sent to the second relay；
It should be noted that after the first relay only receives the first pickup signal and the second letter conjunction signal at the same time,
The second enable signal can just be generated.
S2054 after the second relay is attracted according to the second enable signal, generates third pickup signal, third is attracted and is believed
Number it is sent respectively to control unit for vehicle and electronic control unit.
S206 judges whether third pickup signal is correct by control unit for vehicle, when third pickup signal is correct, produces
Raw second enabling signal is sent to electronic control unit.
S207, when electronic control unit be respectively received the first enabling signal, the second enabling signal, the first pickup signal,
When the second pickup signal and third pickup signal, the engine start instruction of starting engine is generated, engine is sent to, makes to send out
Motivation starting.
As shown in figure 3, for another embodiment of the present invention provides a kind of engine starting system structural framing figure, this is opened
Dynamic system includes following components:
Control unit for vehicle starter 301 starts vehicle for obtaining third enabling signal, and according to third enabling signal
Control unit 304.
Start shelves 302, after for rotating to the predeterminated position of starting shelves 302 when the car key for detecting starting engine,
The first starting letter is generated, and the first enabling signal is sent respectively to control unit for vehicle 304, electronic control unit 307 and is opened
Motor type relay 303；
Starting relay 303, for the first pickup signal generated after being attracted according to the first enabling signal to be sent to
Electronic control unit 307；
Control unit for vehicle 304, for judging whether the first enabling signal is correct, and when the first enabling signal is correct,
It successively controls the first relay 305 and the second relay 306 is attracted；
First relay 305 sends electron control for generating the second pickup signal after being attracted, and by the second pickup signal
Unit 307 processed；
Third pickup signal for generating third pickup signal after being attracted, and is sent respectively to vehicle by the second relay 306
Control unit 304 and electronic control unit 307；
Control unit for vehicle 304 is also used to judge third pickup signal, when third pickup signal is correct, generates
Second enabling signal is sent to electronic control unit 307；
Electronic control unit 307, for being respectively received the first enabling signal, the second starting when electronic control unit 307
When signal, the first pickup signal, the second pickup signal and third pickup signal, the engine start for generating starting engine refers to
It enables, is sent to engine, makes engine start.
Preferably, control unit for vehicle 304 is specifically used for when the first enabling signal is correct, generates the first relay of control
305 the first enable signals being attracted, and it is sent to the first relay 305；
First relay 305 is specifically used for after being attracted according to the first enable signal, generates the second pickup signal, and by second
Pickup signal is sent to electronic control unit 307；
First relay 305 is also used to obtain the first pickup signal, and according to the first pickup signal and the second pickup signal
The second enable signal that the second relay 306 of control is attracted is generated, and is sent to the second relay 306；
Second relay 306 is specifically used for after being attracted according to the second enable signal, generates third pickup signal, third is inhaled
It closes signal and is sent respectively to control unit for vehicle 304 and electronic control unit 307.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of the embodiment of the present invention
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes all or part of each embodiment method of the present invention
Step.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-OnlyMemory), deposits at random
The various media that can store program code such as access to memory (RAM, RandomAccessMemory), magnetic or disk.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of engine startup method, which comprises the following steps:
Step 1, the first enabling signal is obtained, first enabling signal is sent respectively to control unit for vehicle, electronic control
Unit and starting relay；
Step 2, the starting relay generates the first pickup signal after being attracted according to first enabling signal, and by described the
One pickup signal is sent to the electronic control unit；
Step 3, judge whether first enabling signal is correct by the control unit for vehicle；
Step 4, it when first enabling signal is correct, successively controls the first relay and the second relay is attracted, respectively
It is sent to the electronic control unit to the second pickup signal and third pickup signal, and by second pickup signal, by institute
It states third pickup signal and is sent respectively to the control unit for vehicle and the electronic control unit；
Step 5, judge whether the third pickup signal is correct by the control unit for vehicle, when the third pickup signal
When correct, generate the second enabling signal and be sent to the electronic control unit；
Step 6, when the electronic control unit is respectively received first enabling signal, second enabling signal, described
When the first pickup signal, second pickup signal and the third pickup signal, start engine.
2. engine startup method according to claim 1, which is characterized in that in step 6, specifically include:
When the electronic control unit is respectively received first enabling signal, second enabling signal, first suction
When closing signal, second pickup signal and the third pickup signal, the engine start for generating the starting engine refers to
It enables, is sent to the engine, makes the engine start.
3. engine startup method according to claim 1, which is characterized in that in step 4, specifically includes the following steps:
Step 4.1, it when first enabling signal is correct, generates and controls the first relay is attracted first enabled letter
Number, and it is sent to first relay；
Step 4.2, after first relay is attracted according to first enable signal, the second pickup signal is generated, and by institute
It states the second pickup signal and is sent to the electronic control unit；
Step 4.3, first relay obtains first pickup signal, and according to first pickup signal and described the
Two pickup signals, which generate, controls the second enable signal that second relay is attracted, and is sent to second relay；
Step 4.4, after second relay is attracted according to second enable signal, third pickup signal is generated, it will be described
Third pickup signal is sent respectively to the control unit for vehicle and the electronic control unit.
4. engine startup method according to any one of claim 1 to 3, which is characterized in that before step 1, also
The following steps are included:
Step 7, third enabling signal is obtained, and the control unit for vehicle is started according to the third enabling signal.
5. engine startup method according to claim 4, which is characterized in that step 1 specifically includes: starting when detecting
After the car key of the engine rotates to the predeterminated position of starting shelves, first enabling signal is generated.
6. a kind of engine starting system characterized by comprising
Start shelves, for obtaining the first enabling signal, first enabling signal is sent respectively to control unit for vehicle, electronics
Control unit and starting relay；
Starting relay, it is described for the first pickup signal generated after being attracted according to first enabling signal to be sent to
Electronic control unit；
Control unit for vehicle, for judging whether first enabling signal is correct, and when first enabling signal is correct,
It successively controls the first relay and the second relay is attracted；
Second pickup signal for generating the second pickup signal after being attracted, and is sent to the electronics by the first relay
Control unit；
Second relay for generating third pickup signal after being attracted, and the third pickup signal is sent respectively to described
Control unit for vehicle and the electronic control unit；
The control unit for vehicle is also used to judge the third pickup signal, when the third pickup signal is correct
When, it generates the second enabling signal and is sent to the electronic control unit；
Electronic control unit, for being respectively received first enabling signal when the electronic control unit, described second opening
When dynamic signal, first pickup signal, second pickup signal and the third pickup signal, start engine.
7. engine starting system according to claim 6, which is characterized in that the electronic control unit is specifically used for working as
The electronic control unit be respectively received first enabling signal, second enabling signal, first pickup signal,
When second pickup signal and the third pickup signal, the engine start instruction for starting the engine is generated, is sent
To the engine, make the engine start.
8. engine starting system according to claim 6, which is characterized in that the control unit for vehicle is specifically used for working as
It when first enabling signal is correct, generates and controls the first enable signal that first relay is attracted, and be sent to described
First relay；
First relay is specifically used for after being attracted according to first enable signal, generates the second pickup signal, and by institute
It states the second pickup signal and is sent to the electronic control unit；
First relay is also used to obtain first pickup signal, and according to first pickup signal and described second
Pickup signal, which generates, controls the second enable signal that second relay is attracted, and is sent to second relay；
Second relay is specifically used for after being attracted according to second enable signal, generates third pickup signal, will be described
Third pickup signal is sent respectively to the control unit for vehicle and the electronic control unit.
9. the engine starting system according to any one of claim 6 to 8, which is characterized in that further include:
Control unit for vehicle starter starts the vehicle for obtaining third enabling signal, and according to the third enabling signal
Control unit.
10. engine starting system according to claim 9, which is characterized in that the starting shelves are specifically used for when detection
After rotating to the predeterminated position of the starting shelves to the car key for starting the engine, first enabling signal is generated.
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| CN201710625111.5A CN107448342B (en) | 2017-07-27 | 2017-07-27 | A kind of engine startup method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625111.5A CN107448342B (en) | 2017-07-27 | 2017-07-27 | A kind of engine startup method and system |
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| CN107448342B true CN107448342B (en) | 2019-02-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109253012A (en) * | 2018-10-15 | 2019-01-22 | 襄阳全系康动力机械有限责任公司 | A kind of comprehensive protective device for electric starting of engine and its application method |
| CN111042970B (en) * | 2019-12-11 | 2021-11-30 | 浙江锋锐发动机有限公司 | Vehicle cold start control method and device |
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| JP2007177657A (en) * | 2005-12-27 | 2007-07-12 | Toyota Motor Corp | Start control device and start control method for vehicle |
| DE102008043563A1 (en) * | 2008-11-07 | 2010-05-12 | Robert Bosch Gmbh | Starter controller for starting device of internal combustion engine in motor vehicle, comprises micro computer and program memory, where controller is provided for starter engine for current supply to starter engine |
| CN103967679A (en) * | 2013-01-25 | 2014-08-06 | 广州汽车集团股份有限公司 | Method for controlling starter through starter control system and starter control system thereof |
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| Publication number | Publication date |
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| CN107448342A (en) | 2017-12-08 |
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