CN107448342A - A kind of engine startup method and system - Google Patents
A kind of engine startup method and system Download PDFInfo
- Publication number
- CN107448342A CN107448342A CN201710625111.5A CN201710625111A CN107448342A CN 107448342 A CN107448342 A CN 107448342A CN 201710625111 A CN201710625111 A CN 201710625111A CN 107448342 A CN107448342 A CN 107448342A
- Authority
- CN
- China
- Prior art keywords
- control unit
- signal
- pickup signal
- relay
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 system, this method comprises the following steps：The first enabling signal is obtained, is sent respectively to control unit for vehicle, electronic control unit and starting relay；The first pickup signal is produced after starting relay adhesive, and is sent to electronic control unit；When the first enabling signal is correct, the first relay and the second relay adhesive are controlled successively, the second pickup signal and the 3rd pickup signal are respectively obtained, and the second pickup signal is sent to electronic control unit, the 3rd pickup signal is sent respectively to control unit for vehicle and electronic control unit；When the 3rd pickup signal is correct, produces 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, there is the advantages of safe, to be 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 method and system.
Background technology
At present, ECU (Electronic Control Unit, electronics are generally passed through for the Starting mode of tractor vehicle
Control unit) start, ECU is after the signal of starting relay is connected to, can be to start tractor with reference to the manipulation of driver.
But above-mentioned startup method has the shortcomings that security difference, during tractor is actually used, maloperation be present
Hidden danger.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of engine startup method and
System.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of engine startup method, comprises 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 is according to producing the first pickup signal after the first enabling signal adhesive, and by institute
State the first pickup signal and be sent to the electronic control unit；
Step 3, judge whether first enabling signal is correct by the control unit for vehicle；
Step 4, when first enabling signal is correct, the first relay and the second relay adhesive are controlled successively, point
The second pickup signal and the 3rd pickup signal are not obtained, and second pickup signal is sent to the electronic control unit,
3rd pickup signal is sent respectively to the control unit for vehicle and the electronic control unit；
Step 5, judge whether the 3rd pickup signal is correct by the control unit for vehicle, when the 3rd adhesive
When signal is correct, produces 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 three pickup signal, start engine.
The beneficial effects of the invention are as follows：A kind of engine startup method provided by the invention, pass 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 the 3rd pickup signal, when point
When not receiving this 5 signals, just start engine, there is the advantages of safe, to be not easy maloperation, and start engine
Speed is fast.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, in step 6, specifically include：
When the electronic control unit is respectively received first enabling signal, second enabling signal, described
When one pickup signal, second pickup signal and three pickup signal, the engine that generation starts the engine opens
Dynamic instruction, is sent to the engine, makes the engine start.
Further, in step 4, following steps are specifically included：
Step 4.1, when first enabling signal is correct, produce and control the first of the first relay adhesive to enable
Signal, and it is sent to first relay；
Step 4.2, after first relay is according to the first enable signal adhesive, the second pickup signal is produced, 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
State the second pickup signal and produce the second enable signal for controlling the second relay adhesive, and be sent to second relay
Device；
Step 4.4, after second relay is according to the second enable signal adhesive, the 3rd pickup signal is produced, will
3rd pickup signal is sent respectively to the control unit for vehicle and the electronic control unit.
Further, before step 1, it is further comprising the steps of：
Step 7, the 3rd enabling signal is obtained, and the control unit for vehicle is started according to the 3rd enabling signal.
Further, step 1 specifically includes：Start the pre- of shelves when detecting that the car key for starting the engine rotates to
If behind position, produce 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, including：
Start shelves, for obtaining 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 will after according to the first enabling signal adhesive caused by the first pickup signal be sent to
The electronic control unit；
Control unit for vehicle, for judging whether first enabling signal is correct, and work as first enabling signal just
When true, the first relay and the second relay adhesive are controlled successively；
First relay, for producing the second pickup signal after adhesive, and second pickup signal is sent to described
Electronic control unit；
Second relay, for producing the 3rd pickup signal after adhesive, and the 3rd pickup signal is sent respectively to
The control unit for vehicle and the electronic control unit；
The control unit for vehicle is additionally operable to judge the 3rd pickup signal, when the 3rd pickup signal just
When true, produce the second enabling signal and be sent to the electronic control unit；
Electronic control unit, for being respectively received first enabling signal, described when the electronic control unit
When two enabling signals, first pickup signal, second pickup signal and three pickup signal, start engine.
Further, the electronic control unit is specifically used for when the electronic control unit is respectively received described first
Enabling signal, second enabling signal, first pickup signal, second pickup signal and the 3rd pickup signal
When, generation starts the engine start instruction of the engine, is sent to the engine, makes the engine start.
Further, the control unit for vehicle is specifically used for when first enabling signal is correct, produces control institute
The first enable signal of the first relay adhesive is stated, and is sent to first relay；
After first relay is specifically used for according to the first enable signal adhesive, the second pickup signal is produced, and
Second pickup signal is sent to the electronic control unit；
First relay is additionally operable to obtain first pickup signal, and according to first pickup signal and described
Second pickup signal produces the second enable signal for controlling the second relay adhesive, and is sent to second relay；
After second relay is specifically used for according to the second enable signal adhesive, the 3rd pickup signal is produced, will
3rd pickup signal is sent respectively to the control unit for vehicle and the electronic control unit.
Further, it is described to have started activation system also to include：
Control unit for vehicle starter, start institute for obtaining the 3rd enabling signal, and according to the 3rd enabling signal
State control unit for vehicle.
Further, the startup 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 produced.
The advantages of aspect that the present invention adds, will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by present invention practice.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of engine startup method provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart for engine startup method that another embodiment of the present invention provides；
Fig. 3 is a kind of structural framing figure for engine starting system that another embodiment of the present invention provides.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, be a kind of schematic flow sheet of engine startup method provided in an embodiment of the present invention, the startup side
Method comprises the following steps：
S101, the first enabling signal is obtained, the first enabling signal is sent respectively to control unit for vehicle, Electronic Control list
Member and starting relay, wherein, control unit for vehicle VCU, electronic control unit ECU, starting relay is any type
Relay, the original state of starting relay is non-adhesive, and the first enabling signal is starts control unit for vehicle, Electronic Control
The signal of unit and starting relay.
S102, starting relay are believed the first adhesive according to producing the first pickup signal after the first enabling signal adhesive
Number it is sent to electronic control unit.
S103, judge whether the first enabling signal is correct by control unit for vehicle, for example, it may be judged whether receiving correct
The first enabling signal.
S104, when the first enabling signal is correct, control the first relay and the second relay adhesive successively, when first after
After electrical equipment and the second relay adhesive, the second pickup signal and the 3rd pickup signal are respectively obtained, and the second pickup signal is sent out
Electronic control unit is given, the 3rd pickup signal is sent respectively to control unit for vehicle and electronic control unit.
S105, judge whether the 3rd pickup signal is correct by control unit for vehicle, when the 3rd pickup signal is correct, production
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 three pickup signals, start engine.
It should be noted that electronic control unit starts engine by starter.
A kind of engine startup method that the present embodiment provides, obtain the first startup letter respectively by electronic control unit
Number, the second enabling signal, the first pickup signal, the second pickup signal and the 3rd pickup signal, when being respectively received this 5 signals
When, just start engine, there is the advantages of safe, to be not easy maloperation, and the speed for starting engine is fast.
As shown in Fig. 2 a kind of flow chart of the engine startup method provided for another embodiment of the present invention, the startup side
Method can include following steps：
S201, the 3rd enabling signal is obtained, and control unit for vehicle is started according to the 3rd enabling signal, for example, user presses
The lower power on buttons being connected with control unit for vehicle, produces the 3rd enabling signal, starts control unit for vehicle.
S202, after detecting that the car key for starting engine rotates to the predeterminated position for starting shelves, produce first and start
Signal, the first enabling signal is obtained, the first enabling signal is sent respectively to control unit for vehicle, electronic control unit and startup
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 non-adhesive, and the first enabling signal is startup control unit for vehicle, electronic control unit and opens
The signal of motor type relay.
It should be noted that car key here, which rotates to, starts shelves predeterminated position, refer to car key with starting on shelves
Key hole matching, key hole can be rotated to unlatching start shelves, make startup shelves produce the first enabling signal position,
Then start shelves and the first enabling signal is sent respectively to control unit for vehicle, electronic control unit and starting relay.
S203, starting relay are believed the first adhesive according to producing the first pickup signal after the first enabling signal adhesive
Number it is sent to electronic control unit.
S204, judge whether the first enabling signal is correct by control unit for vehicle, for example, it may be judged whether receiving correct
The first enabling signal.
S205, when the first enabling signal is correct, control the first relay and the second relay adhesive successively, when first after
After electrical equipment and the second relay adhesive, the second pickup signal and the 3rd pickup signal are respectively obtained, and the second pickup signal is sent out
Electronic control unit is given, the 3rd pickup signal is sent respectively to control unit for vehicle and electronic control unit.
Specifically, step S205 can be refined as following steps：
S2051, when the first enabling signal is correct, the first enable signal of the first relay adhesive of control is produced, concurrently
Give the first relay；
S2052, after the first relay is according to the first enable signal adhesive, the second pickup signal is produced, and by the second adhesive
Signal is sent to electronic control unit；
S2053, the first relay obtains the first pickup signal, and is produced according to the first pickup signal and the second pickup signal
The second enable signal of the second relay adhesive 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 produced.
S2054, after the second relay is according to the second enable signal adhesive, the 3rd pickup signal is produced, the 3rd adhesive is believed
Number it is sent respectively to control unit for vehicle and electronic control unit.
S206, judge whether the 3rd pickup signal is correct by control unit for vehicle, when the 3rd pickup signal is correct, production
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 three pickup signals, generation starts the engine start instruction of engine, is sent to engine, makes hair
Motivation starts.
As shown in figure 3, a kind of structural framing figure of the engine starting system provided for another embodiment of the present invention, this is opened
Dynamic system includes following components：
Control unit for vehicle starter 301, start vehicle for obtaining the 3rd enabling signal, and according to the 3rd enabling signal
Control unit 304.
Start shelves 302, for when detect start engine car key rotate to startup shelves 302 predeterminated position after,
Produce first and start letter, and the first enabling signal is sent respectively to control unit for vehicle 304, electronic control unit 307 and opened
Motor type relay 303；
Starting relay 303, for will after according to the first enabling signal adhesive caused by the first pickup signal 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,
The first relay 305 and the adhesive of the second relay 306 are controlled successively；
First relay 305, electron control is sent for producing the second pickup signal after adhesive, and by the second pickup signal
Unit 307 processed；
Second relay 306, for producing the 3rd pickup signal after adhesive, and the 3rd pickup signal is sent respectively to car
Control unit 304 and electronic control unit 307；
Control unit for vehicle 304 is additionally operable to judge the 3rd pickup signal, when the 3rd pickup signal is correct, produces
Second enabling signal is sent to electronic control unit 307；
Electronic control unit 307, for being respectively received the first enabling signal, the second startup when electronic control unit 307
When signal, the first pickup signal, the second pickup signal and three pickup signals, the engine start that generation starts engine refers to
Order, is sent to engine, makes engine start.
Preferably, control unit for vehicle 304 is specifically used for when the first enabling signal is correct, produces the first relay of control
First enable signal of 305 adhesives, and it is sent to the first relay 305；
After first relay 305 is specifically used for according to the first enable signal adhesive, the second pickup signal is produced, and by second
Pickup signal is sent to electronic control unit 307；
First relay 305 is additionally operable to obtain the first pickup signal, and according to the first pickup signal and the second pickup signal
The second enable signal of the control adhesive of the second relay 306 is produced, and is sent to the second relay 306；
After second relay 306 is specifically used for according to the second enable signal adhesive, the 3rd pickup signal is produced, the 3rd is inhaled
Close signal and be 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 ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure,
Material or feature are contained at least one embodiment or example of the present invention.In this manual, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description
It can be combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this
The technical staff in field can be by the different embodiments or example described in this specification and the spy of different embodiments or example
Sign is combined and 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 put, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.
The unit illustrated as separating component can be or may not be physically separate, be shown as unit
Part can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple networks
On unit.Some or all of unit therein can be selected to realize the mesh of scheme of the embodiment of the present invention according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
It is that unit is individually physically present or two or more units are integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can
To be stored in a computer read/write memory medium.Based on such understanding, technical scheme substantially or
Say that the part to be contributed to prior art, or all or part of the technical scheme can be embodied in the form of software product
Out, the computer software product is stored in a storage medium, including some instructions are causing a computer equipment
(can be personal computer, server, or network equipment etc.) performs all or part of each embodiment method of the present invention
Step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-OnlyMemory), deposit at random
Access to memory (RAM, RandomAccessMemory), magnetic disc or CD etc. are various can be with the medium of store program codes.
More than, it is only embodiment of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, various equivalent modifications or substitutions can be readily occurred in,
These modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
The protection domain asked is defined.
Claims (10)
1. a kind of engine startup method, it is characterised in that comprise 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 is according to producing the first pickup signal after the first enabling signal adhesive, and by described
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, when first enabling signal is correct, the first relay and the second relay adhesive are controlled successively, respectively
The electronic control unit is sent to the second pickup signal and the 3rd pickup signal, and by second pickup signal, by institute
State the 3rd pickup signal and be sent respectively to the control unit for vehicle and the electronic control unit；
Step 5, judge whether the 3rd pickup signal is correct by the control unit for vehicle, when the 3rd pickup signal
When correct, produce 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 three pickup signal, start engine.
2. engine startup method according to claim 1, it is characterised 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 three pickup signal, the engine start that generation starts the engine refers to
Order, is sent to the engine, makes the engine start.
3. engine startup method according to claim 1, it is characterised in that in step 4, specifically include following steps：
Step 4.1, when first enabling signal is correct, the first enabled letter for controlling the first relay adhesive is produced
Number, and it is sent to first relay；
Step 4.2, after first relay is according to the first enable signal adhesive, the second pickup signal is produced, and by institute
State the second pickup signal and be 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 produce the second enable signal for controlling the second relay adhesive, and are sent to second relay；
Step 4.4, after second relay is according to the second enable signal adhesive, the 3rd pickup signal is produced, by described in
3rd 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, it is characterised in that before step 1, also
Comprise the following steps：
Step 7, the 3rd enabling signal is obtained, and the control unit for vehicle is started according to the 3rd enabling signal.
5. engine startup method according to claim 4, it is characterised in that step 1 specifically includes：Start when detecting
After the car key of the engine rotates to the predeterminated position for starting shelves, first enabling signal is produced.
A kind of 6. engine starting system, it is characterised in that including：
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, for will after according to the first enabling signal adhesive caused by described in the first pickup signal is sent to
Electronic control unit；
Control unit for vehicle, for judging whether first enabling signal is correct, and when first enabling signal is correct,
The first relay and the second relay adhesive are controlled successively；
First relay, the electronics is sent to for producing the second pickup signal after adhesive, and by second pickup signal
Control unit；
Second relay, for producing the 3rd pickup signal after adhesive, and the 3rd pickup signal is sent respectively to described
Control unit for vehicle and the electronic control unit；
The control unit for vehicle is additionally operable to judge the 3rd pickup signal, when the 3rd pickup signal is correct
When, produce the second enabling signal and be 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 three pickup signal, start engine.
7. engine starting system according to claim 6, it is characterised 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 three pickup signal, generation starts the engine start instruction of the engine, sends
To the engine, make the engine start.
8. engine starting system according to claim 6, it is characterised in that the control unit for vehicle is specifically used for working as
When first enabling signal is correct, the first enable signal for controlling the first relay adhesive is produced, and is sent to described
First relay；
After first relay is specifically used for according to the first enable signal adhesive, the second pickup signal is produced, and by institute
State the second pickup signal and be sent to the electronic control unit；
First relay is additionally operable to obtain first pickup signal, and according to first pickup signal and described second
Pickup signal produces the second enable signal for controlling the second relay adhesive, and is sent to second relay；
After second relay is specifically used for according to the second enable signal adhesive, the 3rd pickup signal is produced, by described in
3rd 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, it is characterised in that also include：
Control unit for vehicle starter, start the car for obtaining the 3rd enabling signal, and according to the 3rd enabling signal
Control unit.
10. engine starting system according to claim 9, it is characterised in that the startup shelves are specifically used for when detection
After the predeterminated position of the startup shelves is rotated to the car key for starting the engine, first enabling signal is produced.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107448342A true CN107448342A (en) | 2017-12-08 |
| CN107448342B CN107448342B (en) | 2019-02-26 |
Family
ID=60489594
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625111.5A Active CN107448342B (en) | 2017-07-27 | 2017-07-27 | A kind of engine startup method and system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107448342B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111042970A (en) * | 2019-12-11 | 2020-04-21 | 浙江锋锐发动机有限公司 | Vehicle cold start control method and device |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107448342B (en) | 2019-02-26 |
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