CN207715271U - A kind of vehicle intelligent start control system - Google Patents
A kind of vehicle intelligent start control system Download PDFInfo
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- CN207715271U CN207715271U CN201721416700.4U CN201721416700U CN207715271U CN 207715271 U CN207715271 U CN 207715271U CN 201721416700 U CN201721416700 U CN 201721416700U CN 207715271 U CN207715271 U CN 207715271U
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- current control
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Abstract
The utility model provides a kind of vehicle intelligent start control system, is related to automobile starter technical field.The system includes microcontroller, AD conversion module, power module, current control module, protection module and PCB circuit board.Include three welding holes in PCB circuit board, is positive (+) bonding wire hole, cathode () bonding wire hole and ground connection (G) bonding wire hole respectively.The system can be mounted on starter with the assembly after starter relay assembly, analyze the dynamic voltage signal of engine start moment, corresponding intelligent response is made in real time, the break-make of automatic control relay wire loop, starter failure caused by effectively reducing manual operation and circuit problem improves the reliability and service life of starter.
Description
Technical field
The utility model is related to automobile starter technical field more particularly to a kind of vehicle intelligent start control systems.
Background technology
Automobile starter be one kind during car engine start, by starter driving gear drag engine fly
Wheel gear ring makes engine reach the direct current generator for starting rotating speed and entering autonomous operation, is a crucial attachment on engine,
It is also one of the vulnerable part on automobile.In existing technology, firing key is typically manually controlled on vehicle by driver to control
The starting and disconnection of starter processed work such as driver's operating habit, and are started mechanical, electrical by a variety of causes in actual use
The influence of the factors such as road, oil circuit, accumulator, fuel oil label, environment temperature, is susceptible to：1) igniting conduction time is beyond starting
The machine nominal operation time causes starter ablation failure；2) after engine start, firing key cannot disconnect immediately for some reason, rise
Motivation is dragged by high engine speeds are counter, is caused starter grueling wear or is damaged immediately；3) when there is apical tooth failure, starter is opened
Coil load high current for a long time is closed, is easy to burn switch coil；4) when engine work, firing key misconnection is led to or point
The reasons such as firewire road accidental short circuit, starter are once again powered up rotation, damage engine flywheel ring gear and starter driving gear etc.
A variety of unexpected use caused starter failure or damages.One is open to start control in automobile ECU for existing solution
Policy authorization processed, but its is with high costs；Another kind is also referred to as risen starter relay is inscribed or an external starting control module
Dynamic protector, it is most of there was only simple function, such as inoperative delay cut-off although cost is relatively low, far from meeting user's
It is required that.
Utility model content
In view of the drawbacks of the prior art, the utility model provides a kind of vehicle intelligent start control system.
A kind of vehicle intelligent start control system, including microcontroller, AD conversion module, power module, current control module,
Protection module and PCB circuit board；The AD conversion module, power module, current control module and protection module are integrated in PCB electricity
Further include three bonding wire holes on the plate of road, in PCB circuit board, is positive bonding wire hole, cathode bonding wire hole and ground connection bonding wire hole respectively；AD
The input terminal of conversion module and the input terminal of power module are connected with positive (+) bonding wire hole, the output end of current control module
It is connected with cathode (-) bonding wire hole with the output end of protection module, microcontroller, AD conversion module, current control module and protection
Module is connected with ground connection (G) bonding wire hole；The output end of AD conversion module is connected with the input terminal of microcontroller, the output of microcontroller
End is connected with the input terminal of current control module, and the output end of current control module is connected with the input terminal of protection module；Institute
The output end of power module is stated with the power access end of microcontroller and the power access end of current control module to be connected；It is described
Intelligent start control system is with the assembly after starter relay assembly on starter.
Preferably, the AD conversion module includes 10 A/D chips and voltage ratio of an included precision voltage reference
Conversion circuit.
Preferably, the current control module includes field-effect tube and protective resistance.
Preferably, the protection module includes fly-wheel diode and capacitance.
As shown from the above technical solution, the beneficial effects of the utility model are：One kind provided by the utility model is automobile-used
Intelligent start control system, the assembly after being assembled with starter relay can be mounted on starter, analysis engine start moment
Dynamic voltage signal, makes corresponding intelligent response in real time, and the break-make of automatic control relay wire loop effectively reduces people
For starter failure caused by operation and circuit problem, the reliability and service life of starter are improved.Meanwhile it is corresponding meeting
When condition, which can also realize that apical tooth powers off, mill teeth powers off, the function of inoperative delay cut-off automatically.When engine is sent out
When dynamic, ignition circuit misconnection is logical, automatic trigger cold function when system voltage is more than setting value.
Description of the drawings
Fig. 1 is a kind of vehicle intelligent start control system block diagram that the utility model embodiment provides；
Fig. 2 is that a kind of vehicle intelligent start control system that utility model embodiment provides is connect with relay, starter
Circuit diagram.
In figure：1, microcontroller；2, AD conversion module；3, power module；4, current control module；5, protection module；6、PCB
Circuit board；7, vehicle intelligent start control system；8, starter relay；9, starter；10, firing key；11,24V accumulators.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
A kind of vehicle intelligent start control system is applied on the starter of 24V full-sized cars by the present embodiment, realization pair
The intelligent control of starter.
A kind of vehicle intelligent start control system, as shown in Figure 1, including microcontroller 1, AD conversion module 2, power module 3,
Current control module 4, protection module 5, PCB circuit board 6；AD conversion module 2, power module 3, current control module 4 and protection
Module 5 is integrated in PCB circuit board 6, further includes three bonding wire holes in PCB circuit board, is positive (+) bonding wire hole, cathode respectively
(-) bonding wire hole and ground connection (G) bonding wire hole.The input terminal of AD conversion module 2 is connect with positive (+) bonding wire hole, by an included height
10 A/D chips and voltage ratio conversion circuit of precision voltage reference form, by the 10-30V between positive (+), cathode (-)
Voltage presses 8 by voltage ratio conversion circuit:1 ratio is converted to the analog voltage of 1.25-3.75V, and A/D chip is by analog voltage
It is converted to digital signal and gives microcontroller 1.Microcontroller 1 can be realized by STC15 series monolithics, be analyzed through AD conversion module 2
The dynamic voltage signal of processing judges the working condition of starter, and sending out corresponding intelligently connecting or disconnecting to current control module 4 refers to
It enables.Current control module 4 is made of field-effect tube and protective resistance, and control cathode (-) and the break-make on ground (G) control relay
Coil break-make, the current range between cathode (-) and ground connection (G) are 0-5A.It is instructed and is controlled according to 1 intelligently connecting or disconnecting of microcontroller of reception
The break-make in relay coil circuit processed, when 1 failure of microcontroller, current control module 4 always remains on state, that is, keeps negative
The on-state of pole (-) and ground connection (G).Protection module 5 is made of fly-wheel diode and capacitance, for eliminating or reducing relay
The high pressure reverse induction electromotive force that generates when coil is closed, electronic component damages from high pressure and reduces igniting in protection module
The spark erosion of key contact.The input terminal of power module 3 is connect with positive (+) bonding wire hole, by the input electricity of external 10-30V
Pressure is adjusted by rectifier diode and filter capacitor conversion to the 5V burning voltages for being suitble to microcontroller work, while giving current control
Module provides stable 5V operating voltages, and output end is connected with microcontroller 1 and the input terminal of current control module 4.AD turns
The ground wire for changing the mold block 2, microcontroller 1, current control module 4 and protection module 5 is connected with bonding wire hole ground connection (G).
Vehicle intelligent start control system provided in this embodiment is used cooperatively with starter relay and starter, connection electricity
Road is as shown in Fig. 2, anode (+) bonding wire hole in PCB circuit board 6 is connect with 8 coil of relay igniting terminal, in PCB circuit board 6
Cathode (-) bonding wire hole connect with 8 coil cathode of relay, ground connection (G) the bonding wire hole in PCB circuit board 6 and one wire system relay
Device shell or the connection of double wire system relay cathode.The B termination terminals that one contact of relay 8 is switched with starter 9 are connect,
The ends S that another contact of relay 8 switchs coil with starter 9 are connect.The positive main line of accumulator 11 is switched with starter 9
B termination terminal connections, 11 cathode main line of accumulator connects automobile chassis crossbeam.One end of firing key 10 connects accumulator 11,
The firing tip of other end connection 8 coil of relay of firing key 10.
When automobile starting, firing key 10 is connected, the anode of vehicle intelligent start control system 7 used by this example
8 coil firing tip of (+) and relay simultaneously it is electric, due to 8 coil of relay loop current by vehicle intelligent start control system
Current control module 4 in system 7 controls, and there is no electric currents, vehicle intelligent to start AD in control system 7 for 8 coil of relay at this time
Conversion module analyzes collected voltage signal, judges voltage value whether between 18V to 28V, if between 18V to 28V,
Microcontroller 1 sends out turn-on command to current control module 4, and current control module 4 is connected, and 8 coil of relay has electric current, relay
8 contactings, the switch of starter 9 are powered on, and switch contact is closed, and high current flows through the motor in starter, motor rotation
And driving gear dragging engine flywheel ring gear is driven, flywheel ring gear reaches engine knock when starting rotating speed, and engine enters
Autonomous operation state.In engine start moment, vehicle intelligent startup control system 7, which collects, meets the voltage for surmounting power-off letter
Number, the instruction of turn-off current is sent out to current control module 4,8 coil of relay loses electric current, and 8 contact of relay disconnects, and starts
The switch of machine 9 loses electric current, and switch contact disengages, and starter stops rotating, and driving gear returns to resting position, starts and surmounts
Power-off is completed, and waiting is powered next time.This power process is that program executes automatically, is not necessarily to driver's intervention.
Vehicle intelligent starts control system 7 when meeting voltage within the scope of 18V-28V, automated system operation, moreover it is possible to real
The function of existing apical tooth power-off, mill teeth power-off and delay cut-off.Work as engine start, ignition circuit misconnection is logical, and system voltage is more than
18V-28 ranges, the obstructed Electricity Functional of automatic trigger.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify to the technical solution recorded in previous embodiment, either to which part or all technical features
Carry out equivalent replacement；And these modifications or replacements, it does not separate the essence of the corresponding technical solution, and the utility model right is wanted
Seek limited range.
Claims (4)
1. a kind of vehicle intelligent start control system, it is characterised in that：Including microcontroller, AD conversion module, power module, electric current
Control module, protection module and PCB circuit board；The AD conversion module, power module, current control module and protection module collection
It is positive bonding wire hole, cathode bonding wire hole and ground connection respectively at further including three bonding wire holes in PCB circuit board, in PCB circuit board
Bonding wire hole；The input terminal of AD conversion module and the input terminal of power module are connected with positive bonding wire hole, current control module
Output end and the output end of protection module are connected with cathode bonding wire hole, microcontroller, AD conversion module, current control module and guarantor
Shield module is connected with ground connection bonding wire hole；The output end of AD conversion module is connected with the input terminal of microcontroller, the output of microcontroller
End is connected with the input terminal of current control module, and the output end of current control module is connected with the input terminal of protection module；Institute
The output end of power module is stated with the power access end of microcontroller and the power access end of current control module to be connected；It is described
Intelligent start control system is with the assembly after starter relay assembly on starter.
2. a kind of vehicle intelligent start control system according to claim 1, it is characterised in that：The AD conversion module packet
Include 10 A/D chips and voltage ratio conversion circuit of an included precision voltage reference.
3. a kind of vehicle intelligent start control system according to claim 1, it is characterised in that：The current control module
Including field-effect tube and protective resistance.
4. a kind of vehicle intelligent start control system according to claim 1, it is characterised in that：The protection module includes
Fly-wheel diode and capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416700.4U CN207715271U (en) | 2017-10-30 | 2017-10-30 | A kind of vehicle intelligent start control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416700.4U CN207715271U (en) | 2017-10-30 | 2017-10-30 | A kind of vehicle intelligent start control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715271U true CN207715271U (en) | 2018-08-10 |
Family
ID=63060634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416700.4U Active CN207715271U (en) | 2017-10-30 | 2017-10-30 | A kind of vehicle intelligent start control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715271U (en) |
-
2017
- 2017-10-30 CN CN201721416700.4U patent/CN207715271U/en active Active
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