CN206845367U - A kind of metal-oxide-semiconductor integrated circuit direct-current ignitor - Google Patents
A kind of metal-oxide-semiconductor integrated circuit direct-current ignitor Download PDFInfo
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- CN206845367U CN206845367U CN201720576576.1U CN201720576576U CN206845367U CN 206845367 U CN206845367 U CN 206845367U CN 201720576576 U CN201720576576 U CN 201720576576U CN 206845367 U CN206845367 U CN 206845367U
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Abstract
The utility model discloses a kind of metal-oxide-semiconductor integrated circuit direct-current ignitor, including input (1), control circuit (2), enter angle circuit (3) and output circuit (4), the input (1) and the control circuit (2), enter angle circuit (3) and be connected；The control circuit (2) with it is described enter angle circuit (3) be connected；The output circuit (4) and the control circuit (2), enter angle circuit (3) and be connected, the control circuit (2), enter angle circuit (3) and output circuit (4) cooperating realizes ignition function.The utility model is simple in construction, and conduction voltage drop is low, and heating is few, and loss is small.
Description
Technical field
It the utility model is related to engine ignition technology, more particularly to a kind of metal-oxide-semiconductor integrated circuit direct-current ignitor.
Background technology
Motor cycle ignitor is a kind of servicing unit for starting motorcycle engine, and outward appearance is mostly black square thing shape motor
Below car cushion.Common method of ignition and starting up is divided into hand by method of ignition and starting up and foot-operated two kinds of Starting mode, in operation side
Face is compared, and hand is more convenient and swift than traditional foot-operated Starting mode by method of ignition and starting up.
The existing sub- igniter of motorcycle engine electric, generally existing problems with：1) most of motor cycle ignitor is all
It is made of a large amount of discrete electronic devices (being no less than 70 discrete electronic devices), because component number is more, so producing
Production efficiency can be caused not high in manufacturing process, and it is poor product is entered angular dimensions comparison of coherence.2) present motor
The power tube for being used to light a fire in car igniter is all triode type, causes the conduction voltage drop of motor cycle ignitor big, overall losses
Greatly, caloric value is big, easily influences the service life of igniter.
Utility model content
The utility model provides a kind of metal-oxide-semiconductor integrated circuit direct current igniting for the above technological deficiency of prior art
Device, simple in construction by control circuit and the mutual cooperation work for entering angle circuit, production efficiency is high, and conduction voltage drop is low, loss and
Caloric value is small.
The purpose of this utility model is achieved through the following technical solutions：
A kind of metal-oxide-semiconductor integrated circuit direct-current ignitor, including input 1, control circuit 2, enter angle circuit 3 and output circuit
4, the input 1 and the control circuit 2, enter angle circuit 3 and be connected；The control circuit 2 with it is described enter angle circuit 3 be connected；
The output circuit 4 and the control circuit 2, enter angle circuit 3 and be connected, the control circuit 2, enter angle circuit 3 and output circuit 4
Cooperating realizes ignition function.
Preferably, the control circuit 2 is SX688 direct current CDI inverter control circuits.
Preferably, the control circuit 2 includes power supply sub-circuit 201, SX688 chips 202, metal-oxide-semiconductor sub-circuit 203, mistake
Pressure detection sub-circuit 204 and overvoltage protection sub-circuit 205；The metal-oxide-semiconductor sub-circuit 203, overvoltage detection sub-circuit 204, overvoltage
Protection sub-circuit 205 is connected with the SX688 chips 202 respectively.
Preferably, the power supply sub-circuit 201 includes resistance R22, triode Q3 and the electrochemical capacitor C10 being sequentially connected；
The metal-oxide-semiconductor sub-circuit 203 includes the transformer T1 and metal-oxide-semiconductor Q1 being sequentially connected；The overvoltage detection sub-circuit 204 includes electricity
Hinder R6, resistance R9 and electric capacity C17, the resistance R6 both ends respectively with transformer T1 and and resistance R9, electric capacity C17 company even
Connect；The overvoltage protection sub-circuit 205 includes the resistance R10 and resistance R8 being sequentially connected.
Preferably, it is described enter angle circuit 3 include filtering sub-circuit 301, pulse sub-circuit 302 and SX195 chips 303, institute
State filtering sub-circuit 301, pulse sub-circuit 302 is connected with the SX195 chips 303 respectively, the pulse sub-circuit 302 and institute
Filtering sub-circuit 301 is stated to connect；The SX195 chips 303 are connected with electronic circuit 201.
Preferably described filtering sub-circuit 301 includes RC filter circuits；The pulse sub-circuit 302 includes two-way parallel connection
RC circuits.
Preferably, it is described enter angle circuit 3 also include adjustable resistance RX1 and adjustable resistance RY1, the adjustable resistance RX1 and
Adjustable resistance RX2 is connected with the SX195 chips 303 respectively.
Preferably, the output circuit 4 includes electric capacity C9 and IGCT SCR2, the electric capacity C9 and the control circuit 2
Connection, the IGCT SCR2 with it is described enter angle circuit 3 be connected.
Preferably, the input 1 includes power supply positive 101, power supply minus 102 and triggering end 103.
Preferably, the power supply is positive 101, power supply minus 102 is connected with control circuit 2；The triggering end 103 and filtering son electricity
Road 301 connects.
Compared with prior art, the utility model metal-oxide-semiconductor integrated circuit direct-current ignitor at least has the advantages that：
The utility model includes input 1, control circuit 2, enters angle circuit 3 and output circuit 4, wherein, control circuit 2 is adopted
With SX688 chips and peripheral circuit, enter angle circuit 3 and use SX195 chips and its peripheral circuit, control circuit 2 and enter angle circuit 3
IC chip is used, simple in construction, device used is relative many less, improves the manufacturing efficiency of firearm,
So as to also make the product parameters comparison of coherence of igniter good.Using SX688 chips as control chip in control circuit 2,
SX688 soc conversion efficiencies are high, have overvoltage protection and short-circuit protection function；Power tube of the metal-oxide-semiconductor as igniter, compared to
Existing triode is as power tube, and its conduction voltage drop is low, and caloric value is small, and loss is low.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model metal-oxide-semiconductor integrated circuit direct-current ignitor；
Fig. 2 is the circuit theory schematic diagram of the utility model metal-oxide-semiconductor integrated circuit direct-current ignitor.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, following examples be it is descriptive,
It is not limited, it is impossible to which the scope of protection of the utility model is limited with this.
Make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described
Embodiment be the utility model part of the embodiment, rather than whole embodiment.Described in usual accompanying drawing here and show
The component of the utility model embodiment gone out can be configured to arrange and design with a variety of.Therefore, below in accompanying drawing
The detailed description of the embodiment of the present utility model of middle offer is not intended to limit claimed the scope of the utility model, and
It is to be merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belong to the scope of the utility model protection.
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
As shown in figure 1, metal-oxide-semiconductor integrated circuit direct-current ignitor of the present utility model, mainly includes input 1, control electricity
Road 2, enter angle circuit 3 and output circuit 4.Wherein：
The input 1 is respectively with control circuit 2 and entering angle circuit 3 and being connected, and control circuit 2 is connected with entering angle circuit 3, control
Circuit 2 processed is to provide power supply into angle circuit 3, control circuit 2 and enters angle circuit 3 and is connected respectively with output circuit 4.The control electricity
Road 2, specially SX688 control circuits.It is described enter angle circuit 3, specially SX195 enters angle circuit.
Fig. 2 is the circuit theory schematic diagram of the utility model embodiment metal-oxide-semiconductor integrated circuit direct-current ignitor.
(Fig. 1 is please also refer to) as shown in Figure 2, as a kind of optimum embodiment, input 1, the control electricity of the igniter
Road 2, enter angle circuit 3 and output circuit 4 and can be realized respectively in a manner of circuit in the utility model：I.e. described input 1, can
Be include power supply is positive 101, power supply 102 and triggering end 103 three inputs 1；The control circuit 2, can include
The control circuit 2 of SX688 chips and its peripheral circuit composition；It is described enter angle circuit 3, can include SX195 chips and its outer
That encloses circuit composition enters angle circuit 3；The output circuit 4, can be the output circuit 4 for including IGCT SCR2 and electric capacity C9.
Wherein：
The input 1 include power supply is positive 101, power supply 102 and triggering end 103.Power supply positive 101 connects electric power storage in motorcycle
The positive pole of pond power supply, 102 connect the negative pole of battery feed or ground connection in motorcycle, power supply is just with power supply to whole power supply
Igniter provides power supply.Triggering end 103 is magneto trigger signal end, and magneto trigger signal is that motorcycle engine drives magnetic
The voltage that motor coil is sent, triggering end 103 provide input signal for igniter.
The control circuit 2 is SX688 direct current CDI inverter control circuits, and it is inverse that it can increase substantially direct-current ignitor
Become the conversion efficiency of circuit, reduce inverter circuit loss, improve direct-current ignitor charging reliability, be easily adjusted filling for igniter
Electric speed and charging voltage, while also there is overvoltage protection, charging voltage limitation, output short circuit protection function.
The control circuit 2 includes power supply sub-circuit 201, SX688 chips 202, metal-oxide-semiconductor sub-circuit 203, overvoltage detection
Circuit 204 and overvoltage protection sub-circuit 205；The metal-oxide-semiconductor sub-circuit 203, overvoltage detection sub-circuit 204, overvoltage protection electricity
Road 205 is connected with the SX688 chips 202 respectively.Also include commutation diode D1, diode D2, electric capacity in control circuit 2
C1, resistance R1, resistance R2, resistance R15, resistance R11, electric capacity C2, electric capacity C13 and electric capacity C5.
The power supply sub-circuit 201 includes resistance R22, triode Q3 and the electrochemical capacitor C10 being sequentially connected, triode Q3
Play voltage-regulator diode, electrochemical capacitor C10 is used for voltage stabilizing and filtering.Diode D1 is connected with power supply positive 101, and diode D1 is used
Carry out rectification.The power supply sub-circuit 201 is connected with the diode D1, electrochemical capacitor C10 negative pole ground connection, sub-circuit of powering
201 are used for being to provide voltage into angle circuit 3.
Electric capacity C1 is electrochemical capacitor, and electrochemical capacitor C1 positive pole is connected with diode D1, negative pole ground connection, electrochemical capacitor C1 devices
Buffer action, for filtering.Resistance R1 one end is connected with electric capacity C1 positive pole, and 1 pin VDD of the other end and SX688 chips 202 connects
Connect, resistance R1 is used for powering to SX688 chips 202.
The overvoltage protection sub-circuit 205 includes the resistance R10 and resistance R8 being sequentially connected.Resistance R10 one end and electricity
Hold C1 positive pole connection, the other end is connected with resistance R8, resistance R8 other end ground connection.Resistance R8 and resistance R10 respectively with
4 pin OVG connections in SX688 chips 202, it is equal to resistance R10, resistance the R8 4 pin OVG in parallel with SX688 chips 202, rises
The effect of partial pressure detection, if overtension is by starting protection circuit.
The metal-oxide-semiconductor sub-circuit 203 includes the transformer T1 and metal-oxide-semiconductor Q1 being sequentially connected.Transformer T1 primary side one
End is connected with electric capacity C1 positive pole, and the other end is connected with metal-oxide-semiconductor Q1 drain electrode；One end ground connection of secondary side, one end connects two poles
It is connected after pipe D2 with overvoltage detection sub-circuit 204 and output circuit 4.Metal-oxide-semiconductor Q1 grid and 2 pin OUT of SX688 chips 202
Pin connects；Metal-oxide-semiconductor Q1 source electrode is connected with resistance R11, resistance R11 other end ground connection.Electric capacity C2 both ends are with metal-oxide-semiconductor Q1's
Drain electrode connects with source electrode, resistance R15 one end connection metal-oxide-semiconductor Q1 source electrode, 3 pin ILIM of other end connection SX688 chips 202
Pin；6 pin RT pin of resistance R2 one end connection SX688 chips 202, other end ground connection.
The overvoltage detection sub-circuit 204 includes resistance R6, resistance R9 and electric capacity C17, resistance R6 one end and transformer
T1 secondary side connection, the other end is connected with 8 pin HV pin of SX688 chips 202, and one end is again after resistance R9 is in parallel with electric capacity C17
Connected with resistance R6, other end ground connection.
After power supply is just powered, SX688 is powered (pin of SX 688d 1 are connecing power supply just, 5 pin ground connection) by R1, by diode D1
After rectification, isolation capacitance C1 filtering, power supply sub-circuit 201 is powered, and power supply sub-circuit 201 is powered to SX195 chips 303.Simultaneously
Power supply reaches metal-oxide-semiconductor Q1 by transformer T1 primary side primary coils, and electric current passes through resistance R11, resistance after metal-oxide-semiconductor Q1 conductings
R11 plays metering function, and metal-oxide-semiconductor sub-circuit 203 carries out charging to transformer T1 primary side primary coil makes its energy storage.Metal-oxide-semiconductor
After Q1 conductings, as ON time increases, the voltage on resistance R11 is gradually increasing, and the voltage at resistance R11 both ends exceedes certain value
Afterwards, oscillator stops concussion in SX688 chips 202.The pin of output pin 2 exports a low level, turns off metal-oxide-semiconductor Q1, transformation
Energy in the primary coil of device T1 primary sides is output to secondary.Low level duration is by 2 pin outer meeting resistance R2 and integrates
Internal capacitance determines that after low level time terminates, 2 pin export high level again, metal-oxide-semiconductor Q1 is turned on again, entrance is next
Conversion cycle.The energy of transformer T1 outputs reaches secondary after diode D2 rectifications, high by overvoltage detection sub-circuit 204
Detection is pressed through, if after voltage is higher than internal reference voltage or less than certain value, 2 pin all export low level, and oscillator stops
Shake, to prevent output voltage too high or too low.Supply voltage enters 4 pin after the detection of the partial pressure of overvoltage protection sub-circuit 205,
Overvoltage protection is provided for SX688, if supply voltage is too high, SX688 internal oscillators are stopped.
It is described enter angle circuit 3 include filtering sub-circuit 301, pulse sub-circuit 302 and SX195 chips 303.Also include resistance
R5 and resistance R16.The filtering sub-circuit 301, pulse sub-circuit 302 are connected with the SX195 chips 303 respectively, the arteries and veins
Punching pin circuit 302 is connected with the filtering sub-circuit 301；The SX195 chips 303 are connected with electronic circuit 201.It is described enter angle
Circuit 3 also include adjustable resistance RX1 and adjustable resistance RY1, adjustable resistance RX1 and adjustable resistance RX2 respectively with the SX195 cores
Piece 303 connects.The filtering sub-circuit 301 includes resistance R29, resistance C19, resistance R33, resistance R19 and electric capacity C14, resistance
R29 is in parallel with electric capacity C19, and one end is connected with triggering end 103, other end ground connection；Resistance R19 is in parallel with resistance R33, and both are in parallel
Circuit connected in series after in parallel with electric capacity C19 with resistance R29 afterwards；Electric capacity C14 one end with it is in parallel after resistance R19, resistance R33 connect
Connect, other end ground connection.
The pulse sub-circuit 302 includes resistance R20, resistance C16, resistance R21 and electric capacity C15, resistance R20 and resistance
One end is connected with electric capacity C14 after C16 parallel connections, and the other end is connected with 1 pin IN1 of SX195 chips 303.Resistance R21 and electric capacity C15
One end is connected with electric capacity C14 after parallel connection, and the other end is connected with 2 pin IN2 pin of SX195 chips 303.Adjustable resistance RX1 one end with
The 13 pin RI pin connection of SX195 chips 303, other end ground connection；Adjustable resistance RY1 power supplying from one direction sub-circuit 201, SX195 chips
303 14 pin connection, the other end are connected with 12 pin RF pin of SX195 chips 303.The 6 pin OC pin connection of SX195 chips 303
7 pin IN pin of SX688 chips, 7 pin OUT pin connection resistance R5 are followed by output circuit 4.Resistance R5 is metering function, and resistance R16 resists
Interference.
Enter angle circuit 3 mainly by SX195 integrated circuits and other element groups into.SX195 integrated circuits use CMOS technology,
Integrated level is high, and outward element is few, and driving force is strong, and trigger signal uses amplitude limiter circuit, strong antijamming capability, plays variable speed, end
Variable speed is only debugged by two adjustable resistances.And traditional circuit is in addition to debugging resistance, it is also necessary to debug electric capacity, technique
It is complicated.After motorcycle initiating, with the rotation of magneto, trigger winding will produce the exchange directly proportional with engine speed
Voltage signal.The signal by be made up of resistance R29, electric capacity C19, electric capacity C14, resistance R19, R33 filter circuit filtering after,
The 4 pin NC pin into SX195 chips 303 carry out signal peak amplitude limit；Positive pulse filters laggard through electric capacity C16, resistance R20 simultaneously
Entering 1 pin IN1 pin of SX195 chips 303, negative pulse enters 2 pin of SX195 chips 303 after electric capacity C15, resistance R21 filtering,
Supply voltage is inputted by 14 pin and 8 pin, and 12 pin pick up beginning rotating speed adjustable resistance RY1, and 13 pin meet whole variable speed adjustable resistance RX1.
Positive negative pulse stuffing signal enter SX195 chips 303 after, the integrated circuit by the calculating to magneto start pulse signal at
Reason, a phase is exported with the SCR trigger pulse of rotation speed change according to 7 pin of parameter request SX195 chips 303, this is touched
Hair pulse reaches the IGCT SCR2 of igniting output after resistance R5 current limlitings, resistance R16 are anti-interference, control IGCT SCR2's
Conducting and shut-off, so as to control time of ignition, reach the purpose that automatic angling coordinates engine acting.
The output circuit 4 includes electric capacity C9 and IGCT SCR2, and the electric capacity C9 is connected with the control circuit 2, institute
State IGCT SCR2 controllable pole with it is described enter angle circuit 3 be connected, anode is connected with electric capacity C9, minus earth.Transformer T1 times
The energy of level output gives electric capacity C9 charging energy-storings, if SX195 chips 303 after electric capacity C9 energy storage after diode D2 rectifications
The pin of pulse output end 7 has firing pulse output, and IGCT SCR2 will be turned on, what the electric charge stored on electric capacity C9 will discharge,
Reach the purpose of igniting, engine is completed once to light a fire.
More than, the only preferable embodiment of the utility model, but the protection domain of utility model is not limited to
This, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with right
The protection domain of claim is defined.
Claims (10)
1. a kind of metal-oxide-semiconductor integrated circuit direct-current ignitor, it is characterised in that including input (1), control circuit (2), enter angle electricity
Road (3) and output circuit (4)；The input (1) and the control circuit (2), enter angle circuit (3) and be connected；The control electricity
Road (2) with it is described enter angle circuit (3) be connected；The output circuit (4) and the control circuit (2), enter angle circuit (3) and be connected,
The control circuit (2), enter angle circuit (3) and output circuit (4) cooperating realizes ignition function.
2. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 1, it is characterised in that the control circuit (2) is
SX688 direct current CDI inverter control circuits.
3. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 2, it is characterised in that control circuit (2) bag
Power supply sub-circuit (201), SX688 chips (202), metal-oxide-semiconductor sub-circuit (203), overvoltage detection sub-circuit (204) and overvoltage is included to protect
Protect sub-circuit (205)；The metal-oxide-semiconductor sub-circuit (203), overvoltage detection sub-circuit (204), overvoltage protection sub-circuit (205) point
It is not connected with the SX688 chips (202).
4. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 3, it is characterised in that the power supply sub-circuit
(201) resistance R22, triode Q3 and the electrochemical capacitor C10 being sequentially connected are included；The metal-oxide-semiconductor sub-circuit (203) is included successively
The transformer T1 and metal-oxide-semiconductor Q1 of connection；The overvoltage detection sub-circuit (204) includes resistance R6, resistance R9 and electric capacity C17, institute
State resistance R6 both ends respectively with transformer T1 and and resistance R9, electric capacity C17 even be connected；The overvoltage protection sub-circuit
(205) the resistance R10 and resistance R8 being sequentially connected are included.
5. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 1, it is characterised in that it is described enter angle circuit (3) bag
Include filtering sub-circuit (301), pulse sub-circuit (302) and SX195 chips (303)；The filtering sub-circuit (301), pulse
Circuit (302) is connected with the SX195 chips (303) respectively, the pulse sub-circuit (302) and the filtering sub-circuit
(301) connect；The SX195 chips (303) are connected with electronic circuit (201).
6. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 5, it is characterised in that the filtering sub-circuit
(301) RC filter circuits are included；The pulse sub-circuit (302) includes two-way RC circuits in parallel.
7. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 5, it is characterised in that it is described enter angle circuit (3) also
Including adjustable resistance RX1 and adjustable resistance RY1, the adjustable resistance RX1 and adjustable resistance RY1 respectively with the SX195 chips
(303) connect.
8. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 1, it is characterised in that output circuit (4) bag
Include electric capacity C9 and IGCT SCR2, the electric capacity C9 is connected with the control circuit (2), the IGCT SCR2 with it is described enter angle
Circuit (3) connects.
9. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 1, it is characterised in that the input (1) includes
Power supply just (101), power supply bear (102) and triggering end (103).
10. metal-oxide-semiconductor integrated circuit direct-current ignitor according to claim 9, it is characterised in that the power supply just (101),
Power supply is born (102) and is connected with control circuit (2)；The triggering end (103) is connected with filtering sub-circuit (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576576.1U CN206845367U (en) | 2017-05-23 | 2017-05-23 | A kind of metal-oxide-semiconductor integrated circuit direct-current ignitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720576576.1U CN206845367U (en) | 2017-05-23 | 2017-05-23 | A kind of metal-oxide-semiconductor integrated circuit direct-current ignitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845367U true CN206845367U (en) | 2018-01-05 |
Family
ID=60796732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720576576.1U Active CN206845367U (en) | 2017-05-23 | 2017-05-23 | A kind of metal-oxide-semiconductor integrated circuit direct-current ignitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845367U (en) |
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2017
- 2017-05-23 CN CN201720576576.1U patent/CN206845367U/en active Active
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