CN101619698B - Dual-mode power supply circuit of digital igniter - Google Patents
Dual-mode power supply circuit of digital igniter Download PDFInfo
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- CN101619698B CN101619698B CN2009101045526A CN200910104552A CN101619698B CN 101619698 B CN101619698 B CN 101619698B CN 2009101045526 A CN2009101045526 A CN 2009101045526A CN 200910104552 A CN200910104552 A CN 200910104552A CN 101619698 B CN101619698 B CN 101619698B
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Abstract
The invention provides a dual-mode power supply circuit of a digital igniter, which can utilize a magnetogenerator to supply power for the digital igniter under the condition of insufficient jar voltage or bad contact. The dual-mode power supply circuit of the digital igniter comprises a power supply circuit, a capacitor charge and discharge circuit and a magnetogenerator voltage pulse distribution circuit, wherein the power supply circuit is used for receiving voltage pulse output by the magnetogenerator or the output voltage of a jar and outputting the working voltage of the digital igniter; the capacitor charge and discharge circuit is used for receiving the voltage pulse output by the magnetogenerator for charge and energy storage and discharging an ignition coil according to the ignition pulse signal of the digital igniter; and the magnetogenerator voltage pulse distribution circuit is used for receiving the voltage pulse of the magnetogenerator and respectively distributing the positive half cycle and the negative half cycle of the voltage pulse of the magnetogenerator to the power supply circuit and the capacitor charge and discharge circuit.
Description
Technical field
The present invention relates to a kind of power supply and accumulator of digital igniter, particularly the power supply of motorcycle digital igniter and accumulator.
Background technique
At present, the igniter of motorcycle from the simulation points firearm to the digital igniter transition, and the present generally employing of the power supply of digital igniter is the storage battery power supply that motorcycle carries, because the effect of external conditions such as motorcycle Environmental Conditions, particularly, influence the proper functioning of igniter because violent shake is easy to make power cable and storage battery bad connection, run out of steam when causing motorcycle to run at high speed, cause security incident easily suddenly; And, not use under the situation of motorcycle for a long time, the battery voltage deficiency can not be lighted a fire normally, and when this situation occurring, the driver is difficult for discovering the particular location of fault, directly influences the normal use of motorcycle; Simultaneously, in the ignition mechanism of existing motorcycle, use be that the positive half cycle voltage that magnetogenerator produces comes igniting electric capacity is charged, the direct ground connection of negative half period, the energy that magnetogenerator is produced utilizes efficiently, has caused the huge waste of the energy.
As notice of authorization number is the disclosed a kind of motorcycle DC speed-governing igniter of Chinese utility model patent specification of CN281135Y, promptly is to be the igniter power supply by storage battery.
Summary of the invention
In view of this,, the present invention proposes a kind of dual-mode power supply circuit of digital igniter, under the situation of battery voltage deficiency or bad connection, can utilize the voltage pulse of magnetogenerator output to power in order to address the above problem.
The object of the present invention is achieved like this: dual-mode power supply circuit of digital igniter comprises
Power circuit receives the voltage pulse of magnetogenerator output or the output voltage of storage battery, output digital igniter operating voltage;
The energy storage of charging of capacitor charge and discharge circuit, the voltage pulse that receives magnetogenerator output, and according to the ignition pulse signal of digital igniter, discharge to spark coil; And
Magnetogenerator voltage pulse distributor circuit, the voltage pulse of reception magnetogenerator is distributed to power circuit and capacitor charge and discharge circuit respectively with the positive half cycle and the negative half period of magnetogenerator voltage pulse.
Further, described power circuit comprises
The battery voltage mu balanced circuit receives the storage battery output voltage, exports after the voltage stabilizing;
The magnetogenerator voltage stabilizing circuit receives the magnetogenerator voltage pulse that magnetogenerator voltage pulse distributor circuit is distributed, and exports in battery voltage under the situation of low or the bad connection of storage battery cable and exports after the voltage stabilizing; And
Output voltage stabilizing circuit receives the voltage that magnetogenerator voltage stabilizing circuit or battery voltage mu balanced circuit are exported, after the voltage stabilizing, as the working power output of digital igniter;
Further, magnetogenerator voltage pulse distributor circuit is assigned to power circuit with the positive half cycle of magnetogenerator voltage pulse, and the negative half period of magnetogenerator voltage pulse is assigned to capacitor charge and discharge circuit;
Further, described capacitor charge and discharge circuit is made up of first bidirectional triode thyristor and storage capacitor C4, the control utmost point of the described first bidirectional triode thyristor SCR1 is used for being electrically connected with the ignition pulse signal output terminal of digital igniter, the first anode of the first bidirectional triode thyristor SCR1 is electrically connected with the end of storage capacitor C4, the other end of storage capacitor C4 is electrically connected with the pulse output end of magnetogenerator, the second plate ground connection of the first bidirectional triode thyristor SCR1;
Further, magnetogenerator voltage pulse distributor circuit comprises the 4th diode D4 and the 3rd diode D3, the positive pole of described the 4th diode D4 and magnetogenerator pulse output end are electrically connected, the negative pole of the 4th diode D4 is electrically connected with the input end of magnetogenerator voltage stabilizing circuit, the positive pole of the 3rd diode D3 is electrically connected with the end of storage capacitor C4 and the first anode of the first bidirectional triode thyristor SCR1 respectively, positive half cycle at the magnetogenerator voltage pulse, the 4th diode D4 conducting, voltage pulse is imported the magnetogenerator voltage stabilizing circuit, negative half period at the magnetogenerator voltage pulse, the 3rd diode D3 conducting is storage capacitor C4 charging;
Further, described magnetogenerator voltage stabilizing circuit comprises the first voltage-stabiliser tube ZD1, second resistance R 2, the first diode D1, the 6th capacitor C 6 and second controllable silicon SCR 2; The positive pole of the first voltage-stabiliser tube ZD1 extremely links to each other with an end of second resistance R 2, the control of second controllable silicon SCR 2 respectively, the other end ground connection of second resistance R 2, the negative pole of the first voltage-stabiliser tube ZD1 is connected with the positive electrical of the 4th diode D4, the minus earth of second controllable silicon SCR 2, the positive pole of the first diode D1 links to each other with the negative pole of the 4th diode D4;
Further, described battery voltage mu balanced circuit comprises triode Q1, the second voltage-stabiliser tube ZD2, the 5th resistance R 5, the 5th diode D5 and the 3rd capacitor C 3, the base stage of triode Q1 is electrically connected with the voltage output end of storage battery by the 5th resistance R 5, the negative pole of the second voltage-stabiliser tube ZD2 is electrically connected with the base stage of triode Q1, the plus earth of the second voltage-stabiliser tube ZD2, the collector electrode of triode Q1 is electrically connected with the voltage output end of storage battery, triode Q1 emitter be connected with an end of the 3rd capacitor C 3 and the positive pole of the 5th diode D5, the other end ground connection of described the 3rd capacitor C 3, the negative pole of the 5th diode D5 is connected with the negative electricity of the first diode D1;
Further, described output voltage stabilizing circuit comprises voltage stabilizing chip U3 and peripheral circuit thereof;
Further, described voltage stabilizing chip U3 model is MP2359, described peripheral circuit comprises first resistance R 1, the 3rd resistance R 3, the 4th resistance R 4, first capacitor C 1, second capacitor C 2, the 5th capacitor C 5, diode D2 and inductance L 1, the EN pin of described voltage stabilizing chip U3 is connected with the negative electricity of the first diode D1 by first resistance R 1, the VIN pin of voltage stabilizing chip U3 is connected with the negative electricity of the first diode D1, the SW pin of voltage stabilizing chip U3 is connected with the negative electrode of the second diode D2, the plus earth of the described second diode D2, the SW pin of voltage stabilizing chip U3 also is connected with the BST pin of voltage stabilizing chip U3 by second capacitor C 2, the SW pin of voltage stabilizing chip U3 is connected with the output end of pressure-stabilizing of output voltage stabilizing circuit by L1, the GND pin ground connection of voltage stabilizing chip U3, the FB pin of voltage stabilizing chip U3 is by the 3rd resistance R 3 ground connection, connect the output end of pressure-stabilizing of output voltage stabilizing circuit simultaneously by resistance R 4, the output end of pressure-stabilizing of described output voltage stabilizing circuit is respectively by first capacitor C 1 and the 5th capacitor C 5 ground connection.
Digital igniter of the present invention, when battery voltage deficiency or ignition are connected with storage battery when going wrong, can power to igniter by magnetogenerator, the stability and the reliability of igniter work have been improved, avoid because the flame-out situation that reasons such as storage battery and line cause, simultaneously, a half cycle of the voltage pulse that magnetogenerator produces charges to storage capacitor ignition energy is provided, made full use of the electric energy that magnetogenerator produces, improved capacity usage ratio, even at not charged bottle and not by under the situation of pressure governor, only by pedaling just initial igniter work easily of starting bar, can cutoff after the work yet.
Other advantages of the present invention, target, to set forth in the following description to a certain extent with feature, and to a certain extent,, perhaps can obtain instruction from the practice of the present invention based on being conspicuous to those skilled in the art to investigating hereinafter.Target of the present invention and other advantages can be passed through following specification, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing:
Fig. 1 shows the dual-mode power supply circuit of digital igniter high-level schematic functional block diagram;
Fig. 2 shows the dual-mode power supply circuit of digital igniter structural representation.
Embodiment
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described.
Referring to Fig. 1, the dual-mode power supply circuit of digital igniter of present embodiment comprises power circuit, capacitor charge and discharge circuit and magnetogenerator voltage pulse distributor circuit
Wherein power circuit receives the voltage pulse of magnetogenerator output or the output voltage of storage battery, output digital igniter operating voltage; Specifically comprise battery voltage mu balanced circuit, magnetogenerator voltage stabilizing circuit and output voltage stabilizing circuit;
The energy storage of charging of capacitor charge and discharge circuit, the voltage pulse that receives magnetogenerator output, and according to the ignition pulse signal of digital igniter, discharge to spark coil; And
Magnetogenerator voltage pulse distributor circuit, receive the voltage pulse (being the EXT signal) of magnetogenerator, the voltage pulse of positive half cycle of magnetogenerator and negative half period is distributed to power circuit and capacitor charge and discharge circuit respectively, in the present embodiment, magnetogenerator voltage pulse distributor circuit is assigned to power circuit with the voltage pulse of the positive half cycle of magnetogenerator, the voltage pulse of magnetogenerator negative half period is assigned to capacitor charge and discharge circuit, also it will be appreciated by those skilled in the art that and the distribution of positive and negative half cycle can be exchanged.
Referring to Fig. 2, described capacitor charge and discharge circuit is made up of the first bidirectional triode thyristor SCR1 and storage capacitor C4, the control utmost point of the described first bidirectional triode thyristor SCR1 is used for being electrically connected with the ignition pulse signal output terminal of digital igniter, the first anode of the first bidirectional triode thyristor SCR1 is electrically connected with the end of storage capacitor C4, the other end of storage capacitor C4 is electrically connected with the pulse output end of magnetogenerator, the second plate ground connection of the first bidirectional triode thyristor SCR1.
Described magnetogenerator voltage pulse distributor circuit receives the magnetogenerator voltage pulse that magnetogenerator voltage pulse distributor circuit is distributed, exported in battery voltage under the situation of low or the bad connection of storage battery cable and exported after the voltage stabilizing, described magnetogenerator voltage pulse distributor circuit comprises the 4th diode D4 and the 3rd diode D3, the positive pole of described the 4th diode D4 and magnetogenerator pulse output end are electrically connected, the negative pole of the 4th diode D4 is electrically connected with the input end of magnetogenerator voltage stabilizing circuit, the positive pole of the 3rd diode D3 is electrically connected with the end of storage capacitor C4 and the first anode of the first bidirectional triode thyristor SCR1 respectively, positive half cycle at the magnetogenerator voltage pulse, the 4th diode D4 conducting, voltage pulse is imported the magnetogenerator voltage stabilizing circuit, negative half period at the magnetogenerator voltage pulse, the 3rd diode D3 conducting is storage capacitor C4 charging.
Described magnetogenerator voltage stabilizing circuit receives the storage battery output voltage, exports after the voltage stabilizing, and described battery voltage mu balanced circuit comprises the first voltage-stabiliser tube ZD1, second resistance R 2, the first diode D1, the 6th capacitor C 6 and second controllable silicon SCR 2; The positive pole of the first voltage-stabiliser tube ZD1 extremely links to each other with an end of second resistance R 2, the control of second controllable silicon SCR 2 respectively, the other end ground connection of second resistance R 2, the negative pole of the first voltage-stabiliser tube ZD1 is connected with the positive electrical of the 4th diode D4, the minus earth of second controllable silicon SCR 2, the positive pole of the first diode D1 links to each other with the negative pole of the 4th diode D4; The voltage magnitude of the magnetogenerator output of the 4th diode D4 positive pole is between 0～400V, when the voltage of the 4th diode D4 negative electrode during greater than the voltage stabilizing value 15V of the first voltage-stabiliser tube ZD1, on second resistance R 2 voltage difference is arranged, trigger 2 conductings of second controllable silicon SCR, making the anodal current potential of the first voltage-stabiliser tube ZD1 instantaneous is 0, thereby after making voltage through the first voltage-stabiliser tube ZD1, second controllable silicon SCR 2 and 2 voltage stabilizings of second resistance R, the cathode voltage of D4 is stabilized in 15V, the negative pole end of the first diode D1 meets C6 simultaneously and realizes filtering voltage regulation.When the circuit proper functioning, battery voltage 12V power supply is powered as primary power supply, this moment, the first diode D1 can prevent the crosstalking of 1 5V voltage of magnetogenerator signal voltage stabilizing output, and when circuit bad connection of storage battery part or circuit disconnection, the positive half cycle of magnetogenerator signal can provide the double shield of power supply so then as power supply.
Described battery voltage mu balanced circuit comprises triode Q1, the second voltage-stabiliser tube ZD2, the 5th resistance R 5, the 5th diode D5 and the 3rd capacitor C 3, the base stage of triode Q1 is electrically connected with the voltage output end of storage battery by the 5th resistance R 5, the negative pole of the second voltage-stabiliser tube ZD2 is electrically connected with the base stage of triode Q1, the plus earth of the second voltage-stabiliser tube ZD2, the collector electrode of triode Q1 is electrically connected with the voltage output end of storage battery, triode Q1 emitter be connected with an end of the 3rd capacitor C 3 and the positive pole of the 5th diode D5, the other end ground connection of described the 3rd capacitor C 3, the negative pole of the 5th diode D5 is connected with the negative electricity of the first diode D1; During the circuit proper functioning, behind the storage battery 12V power supply process battery voltage mu balanced circuit, obtain stable 12V voltage at the second diode D2 negative pole.
Described output voltage stabilizing circuit receives the voltage of magnetogenerator voltage stabilizing circuit or the output of battery voltage mu balanced circuit, after the voltage stabilizing, as the working power output of digital igniter; Described output voltage stabilizing circuit is made up of voltage stabilizing chip U3 and peripheral circuit thereof, described voltage stabilizing chip U3 model is MP2359, described peripheral circuit comprises first resistance R 1, the 3rd resistance R 3, the 4th resistance R 4, first capacitor C 1, second capacitor C 2, the 5th capacitor C 5, diode D2 and inductance L 1, the EN pin of described voltage stabilizing chip U3 is connected with the negative electricity of the first diode D1 by first resistance R 1, the VIN pin of voltage stabilizing chip U3 is connected with the negative electricity of the first diode D1, the SW pin of voltage stabilizing chip U3 is connected with the negative electrode of the second diode D2, the plus earth of the described second diode D2, the SW pin of voltage stabilizing chip U3 also is connected with the BST pin of voltage stabilizing chip U3 by second capacitor C 2, the SW pin of voltage stabilizing chip U3 is connected with the output end of pressure-stabilizing of output voltage stabilizing circuit by L1, the GND pin ground connection of voltage stabilizing chip U3, the FB pin of voltage stabilizing chip U3 is by the 3rd resistance R 3 ground connection, connect the output end of pressure-stabilizing of output voltage stabilizing circuit simultaneously by resistance R 4, described the 3rd resistance R 3 and the 4th resistance R 4 are used for voltage is carried out dividing potential drop, the output end of pressure-stabilizing of described output voltage stabilizing circuit is respectively by first capacitor C 1 and the 5th capacitor C 5 ground connection, C1 and C5 carry out voltage stabilizing and filtering to the 5V of output, provide stable 5V power supply for digital igniter at last.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. dual-mode power supply circuit of digital igniter is characterized in that: comprise
Power circuit receives the voltage pulse of magnetogenerator output or the output voltage of storage battery, output digital igniter operating voltage;
The energy storage of charging of capacitor charge and discharge circuit, the voltage pulse that receives magnetogenerator output, and according to the ignition pulse signal of digital igniter, discharge to spark coil; And
Magnetogenerator voltage pulse distributor circuit, the voltage pulse of reception magnetogenerator is distributed to power circuit and capacitor charge and discharge circuit respectively with the positive half cycle and the negative half period of magnetogenerator voltage pulse;
Described power circuit specifically comprises
The battery voltage mu balanced circuit receives the storage battery output voltage, exports after the voltage stabilizing;
The magnetogenerator voltage stabilizing circuit receives the magnetogenerator voltage pulse that magnetogenerator voltage pulse distributor circuit is distributed, and exports in battery voltage under the situation of low or the bad connection of storage battery cable and exports after the voltage stabilizing;
Output voltage stabilizing circuit receives the voltage that magnetogenerator voltage stabilizing circuit or battery voltage mu balanced circuit are exported, after the voltage stabilizing, as the working power output of digital igniter.
2. dual-mode power supply circuit of digital igniter as claimed in claim 1, it is characterized in that: magnetogenerator voltage pulse distributor circuit is assigned to power circuit with the positive half cycle of magnetogenerator voltage pulse, and the negative half period of magnetogenerator voltage pulse is assigned to capacitor charge and discharge circuit.
3. dual-mode power supply circuit of digital igniter as claimed in claim 2, it is characterized in that: described capacitor charge and discharge circuit is made up of the first bidirectional triode thyristor SCR1 and storage capacitor C4, the control utmost point of the described first bidirectional triode thyristor SCR1 is used for being electrically connected with the ignition pulse signal output terminal of digital igniter, the first anode of the first bidirectional triode thyristor SCR1 is electrically connected with the end of storage capacitor C4, the other end of storage capacitor C4 is electrically connected with the voltage pulse output terminal of magnetogenerator, the second plate ground connection of the first bidirectional triode thyristor SCR1.
4. the dual-mode power supply circuit of digital igniter described in claim 3, it is characterized in that: magnetogenerator voltage pulse distributor circuit comprises the 4th diode D4 and the 3rd diode D3, the voltage pulse output terminal of the positive pole of described the 4th diode D4 and magnetogenerator is electrically connected, the negative pole of the 4th diode D4 is electrically connected with the input end of magnetogenerator voltage stabilizing circuit, the positive pole of the 3rd diode D3 is electrically connected with the end of storage capacitor C4 and the first anode of the first bidirectional triode thyristor SCR1 respectively, positive half cycle at the magnetogenerator voltage pulse, the 4th diode D4 conducting, voltage pulse is imported the magnetogenerator voltage stabilizing circuit, negative half period at the magnetogenerator voltage pulse, the 3rd diode D3 conducting is storage capacitor C4 charging.
5. dual-mode power supply circuit of digital igniter as claimed in claim 4 is characterized in that: described magnetogenerator voltage stabilizing circuit comprises the first voltage-stabiliser tube ZD1, second resistance R 2, the first diode D1, the 6th capacitor C 6 and second controllable silicon SCR 2; The positive pole of the first voltage-stabiliser tube ZD1 extremely links to each other with an end of second resistance R 2, the control of second controllable silicon SCR 2 respectively, the other end ground connection of second resistance R 2, the negative pole of the first voltage-stabiliser tube ZD1 is connected with the negative electricity of the 4th diode D4, the minus earth of second controllable silicon SCR 2, the positive pole of the first diode D1 links to each other with the negative pole of the 4th diode D4; The positive pole of the 6th capacitor C 6 connects the negative pole of first diode, the other end ground connection.
6. the dual-mode power supply circuit of digital igniter described in claim 5, it is characterized in that: described battery voltage mu balanced circuit comprises triode Q1, the second voltage-stabiliser tube ZD2, the 5th resistance R 5, the 5th diode D5 and the 3rd capacitor C 3, the base stage of triode Q1 is electrically connected with the voltage output end of storage battery by the 5th resistance R 5, the negative pole of the second voltage-stabiliser tube ZD2 is electrically connected with the base stage of triode Q1, the plus earth of the second voltage-stabiliser tube ZD2, the collector electrode of triode Q1 is electrically connected with the voltage output end of storage battery, the emitter of triode Q1 is connected with an end of the 3rd capacitor C 3 and the positive electrical of the 5th diode D5, the other end ground connection of described the 3rd capacitor C 3, the negative pole of the 5th diode D5 is connected with the negative electricity of the first diode D1.
7. the dual-mode power supply circuit of digital igniter described in claim 6, it is characterized in that: output voltage stabilizing circuit comprises voltage stabilizing chip U3 and peripheral circuit thereof.
8. the dual-mode power supply circuit of digital igniter described in claim 6, it is characterized in that: described voltage stabilizing chip U3 model is MP2359, described peripheral circuit comprises first resistance R 1, the 3rd resistance R 3, the 4th resistance R 4, first capacitor C 1, second capacitor C 2, the 5th capacitor C 5, diode D2 and inductance L 1, the EN pin of described voltage stabilizing chip U3 is connected with the negative electricity of the first diode D1 by first resistance R 1, the VIN pin of voltage stabilizing chip U3 is connected with the negative electricity of the first diode D1, the SW pin of voltage stabilizing chip U3 is connected with the negative electricity of the second diode D2, the plus earth of the described second diode D2, the SW pin of voltage stabilizing chip U3 also is connected with the BST pin of voltage stabilizing chip U3 by second capacitor C 2, the SW pin of voltage stabilizing chip U3 is connected with the output end of pressure-stabilizing of output voltage stabilizing circuit by inductance L 1, the GND pin ground connection of voltage stabilizing chip U3, the FB pin of voltage stabilizing chip U3 is by the 3rd resistance R 3 ground connection, connect the output end of pressure-stabilizing of output voltage stabilizing circuit simultaneously by resistance R 4, the output end of pressure-stabilizing of described output voltage stabilizing circuit is respectively by first capacitor C 1 and the 5th capacitor C 5 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101045526A CN101619698B (en) | 2009-08-06 | 2009-08-06 | Dual-mode power supply circuit of digital igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101045526A CN101619698B (en) | 2009-08-06 | 2009-08-06 | Dual-mode power supply circuit of digital igniter |
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| CN101619698A CN101619698A (en) | 2010-01-06 |
| CN101619698B true CN101619698B (en) | 2011-04-27 |
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| CN2009101045526A Expired - Fee Related CN101619698B (en) | 2009-08-06 | 2009-08-06 | Dual-mode power supply circuit of digital igniter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103744327B (en) * | 2013-12-24 | 2016-06-08 | 温州市万盛电器有限公司 | Intervalometer |
| CN107226065A (en) * | 2014-12-20 | 2017-10-03 | 湖南科技大学 | A kind of automobile door lock status monitoring and control device |
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Granted publication date: 20110427 Termination date: 20130806 |