CN205605348U - Cold moving point thermoelectricity way of opening of methanol engine - Google Patents
Cold moving point thermoelectricity way of opening of methanol engine Download PDFInfo
- Publication number
- CN205605348U CN205605348U CN201620196923.3U CN201620196923U CN205605348U CN 205605348 U CN205605348 U CN 205605348U CN 201620196923 U CN201620196923 U CN 201620196923U CN 205605348 U CN205605348 U CN 205605348U
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Abstract
The utility model relates to a methanol engine technical field, specific theory relates to a cold moving point thermoelectricity way of opening of methanol engine. The utility model discloses a: a main circuit that steps up for inciting somebody to action battery voltage risees to predetermined high voltage, boost control circuit and ignition coil, boost control circuit is connected with the switch circuit electricity, the main circuit that steps up is including step up mutual -inductor, electric capacity CA05 and switch circuit, and primary, electric capacity CA05 and the switch circuit of the mutual -inductor that steps up constitute chopper circuit, and the secondary coil's of the mutual -inductor that steps up output is connected with and is used for the boostrap circuit that steps up, and the output of boostrap circuit is connected with ignition coil is electric. The utility model discloses a set up the effectively voltage of lifting point live wire circle of boost circuit and boostrap circuit, can successfully ignite to the methyl alcohol under the low temperature.
Description
Technical field
This utility model relates to methanol engine technical field；Specifically, a kind of methanol engine cold start-up firing circuit is related to.
Background technology
Along with the development of society, the energy is increasingly paid attention to by people, the continuous Environment energy, sustainable development；Methanol engine is used widely, in order to substitute pure petrol engine at present；But in north cold area, when particularly winter, temperature reached below minus 20 degrees, methanol engine is difficult to ignition trigger；Cause a lot of electromotor to warm up cylinder in advance, then light a fire；Complex operation and dangerous.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, it is provided that a kind of methanol engine cold start-up firing circuit, and this firing circuit can provide high voltage, ionized air moment, produce huge energy smooth ignition.
Methanol engine cold start-up firing circuit, including:
For cell voltage being increased to predetermined high-tension boosting main circuit；
Boost control circuit, on-off circuit and ignition coil；
Boost control circuit electrically connects with on-off circuit, described boosting main circuit includes boost transformer, electric capacity CA05 and on-off circuit, the boosting primary coil of transformer, electric capacity CA05 and on-off circuit composition chopper circuit, the outfan of the secondary coil of boosting transformer connects the boostrap circuit having for boosting, and the outfan of boostrap circuit electrically connects with ignition coil.
Further, boostrap circuit includes diode DA06, electric capacity CA07, the electric capacity CA08 being sequentially connected in series；The input of diode DA06 is connected with the outfan of described secondary coil, and electric capacity CA07 is connected with ignition coil with electric capacity CA08 junction point.
Further, on-off circuit includes two metal-oxide-semiconductors being connected in parallel, and the D pole of each metal-oxide-semiconductor outfan with described primary coil respectively is connected, and the S pole of each metal-oxide-semiconductor is respectively by a resistance eutral grounding；The G of each metal-oxide-semiconductor is the most all connected with a control output end signal of boost control circuit.
Further; boost control circuit includes processor U8; boost control circuit includes power supply over-current detection protection circuit; power supply over-current detection protection circuit includes current detection circuit; the test side of current detection circuit is connected with the S pole of two metal-oxide-semiconductors respectively, and the outfan of current detection circuit electrically connects with processor U8.
Yet further, described current detection circuit includes resistance RB07；One end of resistance RB07 electrically connects with processor U8, and the other end of resistance RB07 is connected with the S pole of two metal-oxide-semiconductors respectively.
Further, boost control circuit includes a liter voltage protection circuit, rises voltage protection circuit and includes voltage detecting circuit, and the test side of voltage detecting circuit is connected with the outfan of described secondary coil, and the outfan of voltage detecting circuit is connected with processor U8 signal.
Yet further, voltage detecting circuit includes the bleeder circuit being in series by resistance RB05 and resistance RB06, and one end of bleeder circuit is connected with the outfan of secondary coil, the other end ground connection of bleeder circuit；The junction point of resistance RB05 and resistance RB06 is connected with processor U8 signal.
Further, boost control circuit includes starting control circuit, starts control circuit and includes that metal-oxide-semiconductor QB04 and metal-oxide-semiconductor QB03, the power end of processor U8 are connected with the D pole of metal-oxide-semiconductor QB04, and the S pole of metal-oxide-semiconductor QB04 is connected with power supply by resistance RB15；The S pole of metal-oxide-semiconductor QB04 passes sequentially through resistance RB13, resistance RB14 and is connected with the S pole of metal-oxide-semiconductor QB04, the junction point of resistance RB13 and resistance RB14 is connected with the D pole of metal-oxide-semiconductor QB03, the S pole ground connection of metal-oxide-semiconductor QB03, the G pole of metal-oxide-semiconductor QB03 is electrically connected with enabling signal end by resistance RB11, and the G pole of metal-oxide-semiconductor QB03 is by resistance RB12 ground connection.
Further, boost control circuit also includes ignition control circuit, and ignition control circuit includes that the G pole of metal-oxide-semiconductor QB01, metal-oxide-semiconductor QB01 is connected with ignition signal end by resistance RB01, and resistance RB02 ground connection, the S pole ground connection of metal-oxide-semiconductor QB01 are passed through in the G pole of metal-oxide-semiconductor QB01；The D pole of metal-oxide-semiconductor QB01 is connected with the signal end of processor U8, and the D pole of metal-oxide-semiconductor QB01 is connected with the outfan of voltage detecting circuit by resistance RB03.
What this utility model obtained have the beneficial effect that this utility model by arrange booster circuit and boostrap circuit can the voltage of effective increasing ignition coil, can be to the methanol successful ignition under low temperature.
Accompanying drawing explanation
Fig. 1 is boosting main circuit schematic diagram of the present utility model.
Fig. 2 is boost control circuit schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
Embodiment 1: see Fig. 1 to Fig. 2.
Methanol engine cold start-up firing circuit, including:
For cell voltage being increased to predetermined high-tension boosting main circuit；
Boost control circuit, on-off circuit and ignition coil；
Described boosting main circuit includes boost transformer TA01, electric capacity CA05 and on-off circuit, boost control circuit electrically connects with on-off circuit, the boosting primary coil of transformer TA01, electric capacity CA05 and on-off circuit composition chopper circuit, the outfan of the secondary coil of boosting transformer TA01 connects the boostrap circuit having for boosting, and the outfan of boostrap circuit electrically connects with ignition coil.
This utility model uses chopper circuit and boosting transformer TA01 that the output voltage of battery is carried out boosting process, after tentatively boosting, by boostrap circuit, the voltage of ignition coil being risen to predetermined high voltage again, predetermined high voltage is chosen according to actual environment, is typically not less than 300V；Be preferably 500V and more than.The technical program is mainly characterized by: uses boostrap circuit, is boosted by output voltage, it is to avoid prime booster circuit boosting multiple causes more greatly circuit complicated, and safety is low.Meanwhile, this firing circuit, so that ignition coil obtains high voltage, lights methanol.Boost control circuit can use single-chip microcomputer switch tube to carry out break-make control.
Further, boostrap circuit includes diode DA06, electric capacity CA07, the electric capacity CA08 being sequentially connected in series；The input of diode DA06 is connected with the outfan of described secondary coil, and electric capacity CA07 is connected with ignition coil with electric capacity CA08 junction point.
The electric capacity CA07 of boostrap circuit, electric capacity CA08 are when externally exporting, and electric capacity CA07 forms an energy-storage battery, externally output of connecting with secondary coil, promote output voltage.
Further, on-off circuit includes two metal-oxide-semiconductors QA01, the QA02 being connected in parallel, and the D pole of each metal-oxide-semiconductor outfan with described primary coil respectively is connected, and the S pole of each metal-oxide-semiconductor is respectively by a resistance eutral grounding；As it is shown in figure 1, resistance RA18 ground connection is passed through by resistance RA17 ground connection, the S pole of metal-oxide-semiconductor QA02 in the S pole of metal-oxide-semiconductor QA01, the G of each metal-oxide-semiconductor is the most all connected with a control output end signal of boost control circuit.
Use two metal-oxide-semiconductor parallel connections so that it is the switch time of on-off circuit shortens, and can improve work efficiency.
Further; boost control circuit includes processor U8; boost control circuit includes power supply over-current detection protection circuit; power supply over-current detection protection circuit includes current detection circuit; the test side of current detection circuit is connected with the S pole of two metal-oxide-semiconductors respectively, and the outfan of current detection circuit electrically connects with processor U8.
After arranging current detection circuit, for power boost electric circuit inspection, whether detection boosting transformer TA01, metal-oxide-semiconductor work overloadingly；Processor U8 thus chopping frequency is controlled.Processor U8 can be single-chip microcomputer, can also be to control IC etc..
Yet further, described current detection circuit includes resistance RB07；One end of resistance RB07 electrically connects with processor U8, and the other end of resistance RB07 is connected with the S pole of two metal-oxide-semiconductors respectively.
As in figure 2 it is shown, processor U8 uses model to be the IC of SC8NB, one end of resistance RB07 is connected with the CS end signal of processor U8.
As shown in Figure 1 and Figure 2; further, boost control circuit includes a liter voltage protection circuit, rises voltage protection circuit and includes voltage detecting circuit; the test side of voltage detecting circuit is connected with the outfan of described secondary coil, and the outfan of voltage detecting circuit is connected with processor U8 signal.
Voltage detecting circuit is set, is used for detecting output voltage and has reached a liter pressure request；If reaching requirement, controlling metal-oxide-semiconductor QA01, QA02 and closing.
Yet further, voltage detecting circuit includes the bleeder circuit being in series by resistance RB05 and resistance RB06, and one end of bleeder circuit is connected with the outfan of secondary coil, the other end ground connection of bleeder circuit；The junction point of resistance RB05 and resistance RB06 is connected with processor U8 signal.
As in figure 2 it is shown, when the main circuit that boosts works, processor U8 obtains the voltage of resistance RB06 in bleeder circuit, according to the ratio of dividing potential drop, and then obtains the output voltage of secondary coil.Preferably, resistance RB06 is parallel with electric capacity CB04；Electric capacity CB04 is used for removing harmonic wave.
Further, boost control circuit includes starting control circuit, starts control circuit and includes that metal-oxide-semiconductor QB04 and metal-oxide-semiconductor QB03, the power end of processor U8 are connected with the D pole of metal-oxide-semiconductor QB04, and the S pole of metal-oxide-semiconductor QB04 is connected with power supply by resistance RB15；The S pole of metal-oxide-semiconductor QB04 passes sequentially through resistance RB13, resistance RB14 and is connected with the S pole of metal-oxide-semiconductor QB04, the junction point of resistance RB13 and resistance RB14 is connected with the D pole of metal-oxide-semiconductor QB03, the S pole ground connection of metal-oxide-semiconductor QB03, the G pole of metal-oxide-semiconductor QB03 is electrically connected with enabling signal end by resistance RB11, and the G pole of metal-oxide-semiconductor QB03 is by resistance RB12 ground connection.
Start control circuit to be used for starting boost control circuit, it is powered；Here enabling signal end is key enabling signal end, when automobile starting, first inserting a key into, and trigger enabling signal end, enabling signal end sends high level signal to the G pole of metal-oxide-semiconductor QB03, through resistance RB11 and the dividing potential drop of resistance RB12, the G pole of metal-oxide-semiconductor QB03 and S pole form pressure reduction, and metal-oxide-semiconductor QB03 forms path, power supply, resistance RB15, resistance RB14 and metal-oxide-semiconductor constitute loop, the G pole of metal-oxide-semiconductor QB04 and S pole form pressure reduction, and metal-oxide-semiconductor QB04 forms path；Processor U8 is powered by resistance RB15, metal-oxide-semiconductor QB04, and is started boost control circuit by power supply.
Further, boost control circuit also includes ignition control circuit, and ignition control circuit includes that the G pole of metal-oxide-semiconductor QB01, metal-oxide-semiconductor QB01 is connected with ignition signal end by resistance RB01, and resistance RB02 ground connection, the S pole ground connection of metal-oxide-semiconductor QB01 are passed through in the G pole of metal-oxide-semiconductor QB01；The D pole of metal-oxide-semiconductor QB01 is connected with the signal end of processor U8, and the D pole of metal-oxide-semiconductor QB01 is connected with the outfan of voltage detecting circuit by resistance RB03.
Ignition signal end is for sending ignition signal to boost control circuit；When ignition signal end does not sends signal, not having pressure reduction between G pole and the S pole of metal-oxide-semiconductor QB01, metal-oxide-semiconductor QB01 closes, and the D pole of metal-oxide-semiconductor QB01 is suitable with the output end voltage of voltage detecting circuit, and the signal end of processor U8 is in high level；When ignition signal end sends ignition signal (high level), ignition signal end, resistance RB01, resistance RB02 and ground constitute loop, pressure reduction (i.e. the voltage of resistance RB02) is formed between G pole and the S pole of metal-oxide-semiconductor QB01, metal-oxide-semiconductor QB01 forms path, and the outfan of voltage detecting circuit passes through resistance RB03, metal-oxide-semiconductor QB01 ground connection；Owing to the voltage drop of metal-oxide-semiconductor is less, therefore the signal end COMP of processor U8 becomes low level, thus receives the ignition signal that ignition signal end sends.
Below being only the preferred embodiment of the application, equivalent technical solutions on this basis still falls within application protection domain.
Claims (9)
1. methanol engine cold start-up firing circuit, it is characterised in that: including:
For cell voltage being increased to predetermined high-tension boosting main circuit；
Boost control circuit, on-off circuit and ignition coil；
Boost control circuit electrically connects with on-off circuit, described boosting main circuit includes boost transformer, electric capacity CA05 and on-off circuit, the boosting primary coil of transformer, electric capacity CA05 and on-off circuit composition chopper circuit, the outfan of the secondary coil of boosting transformer connects the boostrap circuit having for boosting, and the outfan of boostrap circuit electrically connects with ignition coil.
Methanol engine cold start-up firing circuit the most according to claim 1, it is characterised in that: boostrap circuit includes diode DA06, electric capacity CA07, the electric capacity CA08 being sequentially connected in series；The input of diode DA06 is connected with the outfan of described secondary coil, and electric capacity CA07 is connected with ignition coil with electric capacity CA08 junction point.
Methanol engine cold start-up firing circuit the most according to claim 2, it is characterized in that: on-off circuit includes two metal-oxide-semiconductors being connected in parallel, the D pole of each metal-oxide-semiconductor outfan with described primary coil respectively is connected, and the S pole of each metal-oxide-semiconductor is respectively by a resistance eutral grounding；The G of each metal-oxide-semiconductor is the most all connected with a control output end signal of boost control circuit.
Methanol engine cold start-up firing circuit the most according to claim 3; it is characterized in that: boost control circuit includes processor U8; boost control circuit includes power supply over-current detection protection circuit; power supply over-current detection protection circuit includes current detection circuit; the test side of current detection circuit is connected with the S pole of two metal-oxide-semiconductors respectively, and the outfan of current detection circuit electrically connects with processor U8.
Methanol engine cold start-up firing circuit the most according to claim 4, it is characterised in that: described current detection circuit includes resistance RB07；One end of resistance RB07 electrically connects with processor U8, and the other end of resistance RB07 is connected with the S pole of two metal-oxide-semiconductors respectively.
Methanol engine cold start-up firing circuit the most according to claim 5; it is characterized in that: boost control circuit includes a liter voltage protection circuit; rise voltage protection circuit and include voltage detecting circuit; the test side of voltage detecting circuit is connected with the outfan of described secondary coil, and the outfan of voltage detecting circuit is connected with processor U8 signal.
Methanol engine cold start-up firing circuit the most according to claim 6, it is characterized in that: voltage detecting circuit includes the bleeder circuit being in series by resistance RB05 and resistance RB06, one end of bleeder circuit is connected with the outfan of secondary coil, the other end ground connection of bleeder circuit；The junction point of resistance RB05 and resistance RB06 is connected with processor U8 signal.
Methanol engine cold start-up firing circuit the most according to claim 7, it is characterized in that: boost control circuit includes starting control circuit, start control circuit and include metal-oxide-semiconductor QB04 and metal-oxide-semiconductor QB03, the power end of processor U8 is connected with the D pole of metal-oxide-semiconductor QB04, and the S pole of metal-oxide-semiconductor QB04 is connected with power supply by resistance RB15；The S pole of metal-oxide-semiconductor QB04 passes sequentially through resistance RB13, resistance RB14 and is connected with the S pole of metal-oxide-semiconductor QB04, the junction point of resistance RB13 and resistance RB14 is connected with the D pole of metal-oxide-semiconductor QB03, the S pole ground connection of metal-oxide-semiconductor QB03, the G pole of metal-oxide-semiconductor QB03 is electrically connected with enabling signal end by resistance RB11, and the G pole of metal-oxide-semiconductor QB03 is by resistance RB12 ground connection.
Methanol engine cold start-up firing circuit the most according to claim 8, it is characterized in that: boost control circuit also includes ignition control circuit, ignition control circuit includes metal-oxide-semiconductor QB01, the G pole of metal-oxide-semiconductor QB01 is connected with ignition signal end by resistance RB01, resistance RB02 ground connection, the S pole ground connection of metal-oxide-semiconductor QB01 are passed through in the G pole of metal-oxide-semiconductor QB01；The D pole of metal-oxide-semiconductor QB01 is connected with the signal end of processor U8, and the D pole of metal-oxide-semiconductor QB01 is connected with the outfan of voltage detecting circuit by resistance RB03.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196923.3U CN205605348U (en) | 2016-03-15 | 2016-03-15 | Cold moving point thermoelectricity way of opening of methanol engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196923.3U CN205605348U (en) | 2016-03-15 | 2016-03-15 | Cold moving point thermoelectricity way of opening of methanol engine |
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| Publication Number | Publication Date |
|---|---|
| CN205605348U true CN205605348U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620196923.3U Expired - Fee Related CN205605348U (en) | 2016-03-15 | 2016-03-15 | Cold moving point thermoelectricity way of opening of methanol engine |
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| CN (1) | CN205605348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102599A (en) * | 2020-01-19 | 2020-05-05 | 深圳市未雨绸缪技术合作有限公司 | Portable electronic flame lighter |
-
2016
- 2016-03-15 CN CN201620196923.3U patent/CN205605348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102599A (en) * | 2020-01-19 | 2020-05-05 | 深圳市未雨绸缪技术合作有限公司 | Portable electronic flame lighter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20190315 |