CN109083794A - A kind of starter - Google Patents
A kind of starter Download PDFInfo
- Publication number
- CN109083794A CN109083794A CN201811072842.2A CN201811072842A CN109083794A CN 109083794 A CN109083794 A CN 109083794A CN 201811072842 A CN201811072842 A CN 201811072842A CN 109083794 A CN109083794 A CN 109083794A
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- China
- Prior art keywords
- relay
- normally opened
- contactor
- opened contact
- battery
- 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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Links
- 239000007858 starting material Substances 0.000 title claims abstract description 36
- 239000000203 mixture Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of starters, involve starting up apparatus field.Starter includes battery, controller, switching module, starting module, and starting module includes the first motor, the second motor, first contactor and second contactor, and switching module includes the first relay and the second relay.It can be realized by the first relay, the second relay, first contactor, second contactor and controller and be switched fast the first motor or the second motor starting, another motor of starting can be switched fast after the failure of one of motor starting, it can ensure the stability of starting device, so as to reduce the risk that equipment cannot start, the reliability of starter is increased.
Description
Technical field
The present invention relates to starting device fields, in particular to a kind of starter.
Background technique
With society develop generator using more and more extensive, but as the universal consequent of generator is asked
It inscribes also more and more.
The reliable industry of powered stable is required in nuclear power etc. at present, diesel generating set is powered reliable as backup power source
Property is more demanding.In diesel generating set start-up course, when there is starting failure, need to check the starting of diesel generating set
System: motor, starting contactor, starting control output and connecting cable etc. are electrically activated.In activation system failure, need replacing
Equipment, especially when electrically activating motor failure, the time for solving failure and recovery is longer, is unfavorable for meeting client's power supply
Uninterrupted and reliable requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of starter, it is intended to improve the existing above problem.
The present invention provides a kind of starter, including battery, controller, switching module, starting module, the battery
It is electrically connected with the controller, the starting module includes at least: the first motor, the second motor, first contactor and second
Contactor, the normally opened contact of the first contactor, first motor and the battery form series loop；Described
The normally opened contact of two contactors, second motor and the battery form series loop；The first contactor it is normal
Open the series circuit of contact and first motor composition and normally opened contact and second groups of motors of the second contactor
At series circuit it is in parallel；The switching module includes at least: the first relay and the second relay；First relay
Normally opened contact, the coil of the first contactor and battery formation are connected into circuit；Second relay it is normal
It opens contact, the coil of the second contactor and the battery and is connected into circuit；The normally opened contact of first relay
The normally opened contact of the series circuit and second relay that form with the coil of the first contactor is contacted with described second
The series circuit of the coil composition of device is in parallel；The both ends of the coil of first relay are connected to the negative of the battery
Pole, the controller；The both ends of the coil of second relay are connected to the cathode of the battery, the control
Device.
Further, the switching module further includes third relay, and the third relay includes coil, first normally opened
Contact and the second normally opened contact；The both ends of the coil of the third relay are connected to the cathode of the battery, institute
State controller；First normally opened contact of the third relay is in parallel with the normally opened contact of first relay, the third
First normally opened contact of relay, the coil of the first contactor and battery formation are connected into circuit；Described
Second normally opened contact of three relays is in parallel with the normally opened contact of second relay, and the second of the third relay is normally opened
Contact, the coil of the second contactor and battery formation are connected into circuit.
Further, the starter further includes alarm, and the alarm is electrically connected with the controller.
Further, the alarm uses buzzer siren or combined aural and visual alarm.
Further, the switching module further includes starting relay, the both ends difference of the coil of the starting relay
It is connected to cathode, the controller of the battery；One end of the normally opened contact of the starting relay and the battery
Anode connection；The other end of the normally opened contact of the starting relay respectively with the normally opened contact of first relay one
End, one end of normally opened contact of second relay, one end of the first normally opened contact of the third relay and described
One end of second normally opened contact of third relay connects.
Further, the switching module at least further includes third contactor, and the starting module is at least further include: third
Motor；The battery, the normally opened contact of the third contactor and the third groups of motors are at series loop, the third
The normally opened contact and described the of the series circuit of the normally opened contact of contactor and third motor composition, the first contactor
The series circuit of the series circuit of one motor composition and the normally opened contact of the second contactor and second motor composition is simultaneously
Connection；The both ends of the coil of the third contactor are connected to the cathode of the battery, the controller.
Further, the first contactor, the second contactor and the third contactor be respectively the 4th after
Electric appliance, the 5th relay and the 6th relay.
Further, the starter further includes charging module, and the charging module is electrically connected with the battery.
Further, the charging module includes float recharger for accumulating, rectifier diode, the float recharger for accumulating, the rectification two
Pole pipe and the battery are sequentially connected in series.
Further, the starter further includes Peripheral Interface, and the Peripheral Interface is electrically connected with the controller.
The beneficial effect of starter provided by the invention is: starter include battery, controller, switching module,
Starting module, starting module include that the first motor, the second motor, first contactor and second contactor, switching module include
First relay and the second relay.The normally opened contact of first contactor, the first motor and battery form series loop；The
The normally opened contact of two contactors, the second motor and battery form series loop；The normally opened contact of first contactor and first
The series circuit of motor composition and the normally opened contact of second contactor are in parallel with the series circuit that the second motor forms；First relay
The normally opened contact of device, the coil of first contactor and battery formation are connected into circuit；The normally opened contact of second relay,
The coil and battery of two contactors are connected into circuit；The normally opened contact of first relay and the coil of first contactor form
Series circuit and the second relay the series circuit that forms of coil of normally opened contact and second contactor it is in parallel；First relay
The both ends of the coil of device are connected to the cathode of battery, controller；The both ends of the coil of second relay are connected to
Cathode, the controller of battery.The first relay, the second relay, first contactor, second contactor and control can be passed through
Device realization processed is switched fast the first motor or the second motor starting, can be switched fast and open after the failure of one of motor starting
Another motor is moved, can ensure the stability of starting device, so as to reduce the risk that equipment cannot start, increases and opens
The reliability of dynamic device.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the circuit connection block diagram of starter provided in an embodiment of the present invention；
Fig. 2 is the circuit diagram of starter provided in an embodiment of the present invention；
Fig. 3 be starter provided in an embodiment of the present invention circuit in work as S6Circuit connection when being connected with battery is shown
It is intended to；
Fig. 4 is that the live part of starter provided in an embodiment of the present invention connects block diagram.
Icon: 10- starter；101- battery；102- controller；103- switching module；104- starting module；105-
Charging module；106- Peripheral Interface；107- alarm；108- rectifier diode；109- float recharger for accumulating.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or element are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment
Referring to Fig. 1, present embodiments providing a kind of starter 10, starter 10 can be applied to opening for generator
It is dynamic, such as diesel-driven generator.Starter 10 include battery 101, controller 102, switching module 103, starting module 104,
Charging module 105, Peripheral Interface 106 and alarm 107.Controller 102 respectively with battery 101, switching module 103, report
Alert device 107 and Peripheral Interface 106 are electrically connected, and starting module 104 is electrically connected with switching module 103, charging module 105 and electric power storage
Pond 101 is electrically connected.
Charging module 105 is used to charge to battery 101.Battery 101 is used to provide electric energy to controller 102.Control
Device 102 is for controlling switching module 103.Switching module 103 is for controlling starting module 104.Starting module 104 is cut for receiving
The control of block 103 is changed the mold, start-up operation is executed.Alarm 107 is used to issue alarm signal after starting failure.Peripheral Interface
106 can connect with external equipment, the instruction of external equipment input is used for transmission, so as to adjust controller 102.
Starting module 104 includes first contactor, second contactor, the first motor M1, the second motor M2And third motor
M3.First contactor includes the coil S of first contactor1, first contactor normally opened contact K1.Second contactor includes second
The coil S of contactor2, second contactor normally opened contact K2。
Switching module 103 includes that the first relay, the second relay, third relay, starting relay and third connect
Tentaculum.First relay includes the coil S of the first relay4, the first relay normally opened contact K4.Second relay includes the
The coil S of two relays5, the second relay normally opened contact K5.Third relay includes the coil S of third relay6, third
First normally opened contact K of relay6, third relay the first normally opened contact K7.Starting relay includes the line of starting relay
Enclose S7, starting relay normally opened contact K8.Third contactor includes the coil S of third contactor3, third contactor it is normally opened
Contact S3。
As shown in Fig. 2, the coil S of the first relay4Both ends be connected to the cathode of battery 101, controller
102。
The coil S of second relay5Both ends be connected to the cathode of battery 101, controller 102.
The coil S of third relay6, both ends be connected to the cathode of battery 101, controller 102.
The coil S of starting relay7Both ends be connected to the cathode of battery 101, controller 102.
The coil S of third contactor3Both ends be connected to the cathode of battery 101, controller 102.
The normally opened contact K of starting relay8The anode of one end and battery 101 connect；The normally opened touching of starting relay
Point K8The other end respectively with the normally opened contact K of the first relay4One end, the second relay normally opened contact K5One end,
First normally opened contact K of three relays6One end and third relay the second normally opened contact K7One end connection.
The normally opened contact K of first relay4The other end and third relay the first normally opened contact K6The other end connect
It is connected to the coil S of first contactor1One end.
The normally opened contact K of second relay5The other end and third relay the second normally opened contact K7One end be all connected with
In the coil S of second contactor2One end.
The coil S of first contactor1Other end connection and the cathode of battery 101.
The coil S of second contactor2Other end connection and the cathode of battery 101.
The normally opened contact K of battery 101, first contactor1, the first motor M1Form series loop.
The normally opened contact K of battery 101, second contactor2, the second motor M2Form series loop.
The normally opened contact K of battery 101, third contactor3, third motor M3Form series loop.
The normally opened contact K of third contactor3With the series circuit M of third motor composition3, first contactor normally opened contact
K1With the first motor M1The series circuit of composition and the normally opened contact K of second contactor2With the second motor M2The series circuit of composition
It is in parallel.
First contactor, second contactor and third contactor are respectively the 4th relay, the 5th relay and
Six relays.
Above-mentioned first relay, the second relay, third relay, the 4th relay, the 5th relay, the 6th relay
And starting relay is all made of electromagnetic relay, electromagnetic relay includes coiler part and normally opened contact.When above-mentioned coil has
When electric current flows through, magnetic field is generated, normally opened contact closing or opening is controlled by magnetic field.
The coil S of the control starting relay of controller 1027It is connected with battery 101, the coil S of starting relay7In have
Electric current flows through, to make the normally opened contact K of starting relay8Closure.
In the normally opened contact K of starting relay8In the case where closure, controller 102 controls the coil S of the first relay4With
Battery 101 is connected, the coil S of the first relay4In there is electric current to flow through, to make the normally opened contact K of the first relay4Closure.
At this point, the coil S of first contactor1It is connected with battery 101, the coil S of first contactor1There is electric current to flow through, to make first
The normally opened contact K of contactor1Closure.At this point, the first motor M1It is connected with battery 101.
As the first motor M1Inactive, controller 102 disconnects the coil S of the first relay4With the access of battery 101, together
When controller 102 control the second relay coil S5It is connected with battery 101, the coil S of the second relay5In have electric current stream
It crosses, to make the normally opened contact K of the second relay5Closure.At this point, the coil S of second contactor2It is connected with battery 101, the
The coil S of two contactors2There is electric current to flow through, to make the normally opened contact K of second contactor2Closure.At this point, the second motor M2With
Battery 101 is connected.
As the second motor M2Inactive, controller 102 disconnects the coil S of the second relay5With the access of battery 101, together
When controller 102 control third relay coil S6It is connected with battery 101, as shown in figure 3, the coil S of third relay6
In there is electric current to flow through, to make the first normally opened contact K of third relay6With the second normally opened contact K of third relay7Closure.
At this point, the coil S of first contactor1, second contactor coil S2It is connected with battery 101, the coil of first contactor
S1, second contactor coil S2There is electric current to flow through, to make the normally opened contact K of first contactor1, second contactor it is normal
Open contact K2It is closed at.First motor M1, the second motor M2Be connected with battery 101.
When controller 102 controls the coil S of third relay6It is connected with battery 101, being separated by certain time, (equipment is anti-
Between seasonable), the first motor M1, the second motor M2When inactive, controller 102 disconnects the coil S of starting relay7With electric power storage
The access in pond 101；Meanwhile controller 102 controls alarm 107 and alarms, so that " there is event to alert device maintenance personnel in equipment
Barrier ", on-call maintenance, to reduce loss.
As in case of emergency, the coil S of third contactor can be controlled with controller 1023It is connected with battery 101,
The coil S of third contactor3There is electric current to flow through, to make the normally opened contact K of third contactor3Closure.At this point, third motor M3
It is connected with battery 101.Promote third motor M3Emergency start improves the emergency capability of equipment to cope with emergency.
As shown in figure 4, charging module 105 includes float recharger for accumulating 109, rectifier diode 108.Float recharger for accumulating 109, rectification two
Pole pipe 108 and battery 101 are sequentially connected in series, while being applicable in AC charging and DC charging, for supplementing electricity to battery 101
Energy.
Alarm 107 can use buzzer siren or combined aural and visual alarm.
In conclusion starter provided in this embodiment: firstly, starter includes battery, controller, switching mould
Block, starting module, starting module include the first motor, the second motor, first contactor and second contactor, switching module packet
The first relay and the second relay are included, the first relay, the second relay, first contactor, second contactor can be passed through
And controller realization is switched fast the first motor or the second motor starting, it can be quick after the failure of one of motor starting
Switching starts another motor, can ensure the stability of starting device, so as to reduce the risk that equipment cannot start, increases
The reliable letter of starting device is added；Secondly, switching module further include third relay, third relay include coil, first often
Contact and the second normally opened contact are opened, can quickly control the first motor, the second motor starting simultaneously by third relay, it is double
Motor starts simultaneously increases a possibility that starting successfully；Then, switching module further includes starting relay, total as one
Switch control guarantees the stability of equipment open circuit, avoids equipment error starting, cause unnecessary loss；Finally, switching module is also
Including third contactor, starting module further includes third motor, in case of emergency interim starting, increases answering for equipment
Anxious ability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of starter, which is characterized in that including battery, controller, switching module, starting module, the battery
It is electrically connected with the controller, the starting module includes at least: the first motor, the second motor, first contactor and second
Contactor, the normally opened contact of the first contactor, first motor and the battery form series loop；Described
The normally opened contact of two contactors, second motor and the battery form series loop；The first contactor it is normal
Open the series circuit of contact and first motor composition and normally opened contact and second groups of motors of the second contactor
At series circuit it is in parallel；The switching module includes at least: the first relay and the second relay；First relay
Normally opened contact, the coil of the first contactor and battery formation are connected into circuit；Second relay it is normal
It opens contact, the coil of the second contactor and the battery and is connected into circuit；The normally opened contact of first relay
The normally opened contact of the series circuit and second relay that form with the coil of the first contactor is contacted with described second
The series circuit of the coil composition of device is in parallel；The both ends of the coil of first relay are connected to the negative of the battery
Pole, the controller；The both ends of the coil of second relay are connected to the cathode of the battery, the control
Device.
2. starter according to claim 1, which is characterized in that the switching module further includes third relay, institute
Stating third relay includes coil, the first normally opened contact and the second normally opened contact；The both ends of the coil of the third relay
It is connected to cathode, the controller of the battery；First normally opened contact of the third relay and described first
The normally opened contact of relay is in parallel, the first normally opened contact of the third relay, the coil of the first contactor and institute
It states battery formation and is connected into circuit；The normally opened contact of second normally opened contact of the third relay and second relay
Parallel connection, the second normally opened contact of the third relay, the coil of the second contactor and the battery form series connection
At circuit.
3. starter according to claim 2, which is characterized in that the starter further includes alarm, the report
Alert device is electrically connected with the controller.
4. starter according to claim 3, which is characterized in that the alarm uses buzzer siren or acousto-optic report
Alert device.
5. starter according to claim 2, which is characterized in that the switching module further includes starting relay, institute
The both ends for stating the coil of starting relay are connected to the cathode of the battery, the controller；The starting relay
The anode of one end and the battery of normally opened contact connect；The other end of the normally opened contact of the starting relay respectively with
One end of the normally opened contact of first relay, one end of the normally opened contact of second relay, the third relay
The first normally opened contact one end and the third relay the second normally opened contact one end connection.
6. starter according to claim 1, which is characterized in that the switching module at least further includes third contact
Device, the starting module is at least further include: third motor；The battery, the normally opened contact of the third contactor and institute
Third groups of motors is stated into series loop, the series circuit of the normally opened contact of the third contactor and third motor composition,
The normally opened touching of the series circuit and the second contactor of the normally opened contact of the first contactor and first motor composition
Point is in parallel with the series circuit that second motor forms；The both ends of the coil of the third contactor are connected to the storage
The cathode of battery, the controller.
7. starter according to claim 6, which is characterized in that the first contactor, the second contactor with
And the third contactor is respectively the 4th relay, the 5th relay and the 6th relay.
8. starter according to claim 1, which is characterized in that the starter further includes charging module, described
Charging module is electrically connected with the battery.
9. starter according to claim 8, which is characterized in that the charging module includes float recharger for accumulating, rectification two
Pole pipe, the float recharger for accumulating, the rectifier diode and the battery are sequentially connected in series.
10. starter according to claim 1, which is characterized in that the starter further includes Peripheral Interface, described
Peripheral Interface is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811072842.2A CN109083794B (en) | 2018-09-14 | 2018-09-14 | Starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811072842.2A CN109083794B (en) | 2018-09-14 | 2018-09-14 | Starting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083794A true CN109083794A (en) | 2018-12-25 |
| CN109083794B CN109083794B (en) | 2024-05-24 |
Family
ID=64841399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811072842.2A Active CN109083794B (en) | 2018-09-14 | 2018-09-14 | Starting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109083794B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707551A (en) * | 2018-12-28 | 2019-05-03 | 深圳东风汽车有限公司 | A kind of assistant engine starting protection control system and method |
| CN113241843A (en) * | 2021-05-26 | 2021-08-10 | 河南柴油机重工有限责任公司 | Double-electric-start control system for ship engine |
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| CN208870731U (en) * | 2018-09-14 | 2019-05-17 | 上海泰豪智能节能技术有限公司 | A kind of starter |
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| CN2594487Y (en) * | 2002-12-17 | 2003-12-24 | 徐州重型机械厂 | Engine starter of vehicle crane |
| CN101508277A (en) * | 2009-03-26 | 2009-08-19 | 刘晓敬 | Motor vehicle line-interference anti-theft alarm device |
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| CN109707551A (en) * | 2018-12-28 | 2019-05-03 | 深圳东风汽车有限公司 | A kind of assistant engine starting protection control system and method |
| CN113241843A (en) * | 2021-05-26 | 2021-08-10 | 河南柴油机重工有限责任公司 | Double-electric-start control system for ship engine |
| CN113241843B (en) * | 2021-05-26 | 2023-02-03 | 河南柴油机重工有限责任公司 | Double-electric-start control system for ship engine |
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