CN108204325B - Integrated ignition coil - Google Patents
Integrated ignition coil Download PDFInfo
- Publication number
- CN108204325B CN108204325B CN201810176445.3A CN201810176445A CN108204325B CN 108204325 B CN108204325 B CN 108204325B CN 201810176445 A CN201810176445 A CN 201810176445A CN 108204325 B CN108204325 B CN 108204325B
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- Prior art keywords
- ignition
- resistor
- pin
- module
- chip
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 239000003990 capacitor Substances 0.000 claims description 45
- 238000010586 diagram Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/06—Other installations having capacitive energy storage
- F02P3/08—Layout of circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses an integrated ignition coil, which comprises an interface module, a power module, an ignition pre-driving module, an ignition driving module, an overcurrent detection module, an over-temperature detection module, an indicator lamp and an ignition coil, wherein the interface module is respectively connected with the power module and the ignition pre-driving module, the power module is also respectively connected with the ignition pre-driving module, the indicator lamp, the overcurrent detection module and the over-temperature detection module, and the ignition pre-driving module is also respectively connected with the ignition driving module, the overcurrent detection module and the over-temperature detection module. The integrated ignition coil can work normally only by introducing a power supply and an ignition signal, and the driving circuit automatically filters out under the interference of external large pulses; when the ignition coil works abnormally, the protection circuit is automatically started to enable the ignition coil to return to normal work; in addition, whether the ignition coil works normally can be judged through the flickering of the ignition indicator lamp.
Description
Technical Field
The invention relates to an ignition coil, in particular to an integrated ignition coil.
Background
The integrated ignition coil in the existing market is generally a single-drive tube direct-drive ignition coil, and has no large pulse signal protection, and the ignition coil is basically overcharged and burnt out after one large pulse signal is interfered; without the ignition indicator lamp, whether the ignition coil works normally cannot be intuitively judged.
Disclosure of Invention
The present invention is directed to an integrated ignition coil, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an integrated ignition coil, includes interface module, power module, ignition pre-drive module, ignition drive module, overflow detection module, excess temperature detection module, pilot lamp and ignition coil, power module and ignition pre-drive module are connected respectively to interface module, and power module still connects ignition pre-drive module, pilot lamp, overflow detection module and excess temperature detection module respectively, and ignition pre-drive module still connects ignition drive module, overflow detection module and excess temperature detection module respectively, and ignition drive module still connects ignition coil, overflow detection module and excess temperature detection module respectively, and ignition coil is still connected to the pilot lamp.
As a further technical scheme of the invention: the interface module comprises an interface J1, a diode D1 and a diode D2, wherein a pin 5 of the interface J1 is connected with the cathode of the diode D1, and a pin 4 of the interface J1 is connected with the cathode of the diode D2.
As a further technical scheme of the invention: the interface module comprises a power input interface and an ignition signal input interface, wherein the power input interface is connected with the power module, and the ignition signal input interface is connected with the ignition pre-driving module.
As a further technical scheme of the invention: the power module comprises a chip U1, a resistor R1, a capacitor C1 and a diode D4, wherein a pin 1 of the chip U1 is connected with the capacitor C1, the capacitor C2, the resistor R1 and VCC3V, the other end of the resistor R1 is connected with the cathode of the diode D3, the other end of the capacitor C1 is connected with the other end of the capacitor C2, the capacitor C3, the capacitor C4 and the ground, the pin 3 of the chip U1 is connected with the other end of the capacitor C3, the cathode of the diode D3 and the capacitor C4, and the anode of the diode D4 is connected with the 5 pin of the interface J1.
As a further technical scheme of the invention: the ignition pre-driving module comprises a chip U2B, a capacitor C6 and a resistor R2, one end of the resistor R2 is connected with a pin 4 of the interface J1, the other end of the resistor R2 is connected with a capacitor C5 and a capacitor C6, the other end of the capacitor C6 is connected with a resistor R3 and a pin 5 of the chip U2B, the other end of the capacitor C5 is connected with the other end of the resistor R3 and is grounded, the pin 6 of the chip U2B is connected with a cathode of the diode D3, and the pin 7 of the chip U2B is connected with the resistor R4.
As a further technical scheme of the invention: the over-temperature detection module comprises a chip U2A, a resistor R9 and a thermistor RT1, wherein one end of the resistor R9 is connected with the thermistor RT1, a capacitor C8 and a pin 3 of the chip U2A, a pin 2 of the chip U2A is connected with a cathode of a diode D3, a pin 1 of the chip U2A is connected with a resistor R10, and the other end of the thermistor RT1 is grounded.
As a further technical scheme of the invention: the ignition driving module comprises a chip U3, a switch Z1, a resistor R5 and a resistor R6, wherein one end of the resistor R5 is connected with a pin 4 of the interface J1, the other end of the resistor R5 is connected with a pin 1 of the chip U3, one end of the resistor R6 is connected with a pin 7 of the chip U2B, the other end of the resistor R6 is connected with a pin 3 of the chip U3, the pin 4 of the chip U3 is connected with a resistor R8, the other end of the resistor R8 is connected with a pin 1 of the switch Z1, the pin 3 of the switch Z1 is connected with a cathode of the diode D6 and an ignition coil L1, an anode of the diode D6 is connected with an indicator lamp D5, and the other end of the indicator lamp D5 can be grounded through the resistor R7, and the pin 2 of the switch Z1 is grounded.
Compared with the prior art, the invention has the beneficial effects that: the integrated ignition coil can work normally only by introducing a power supply and an ignition signal, and the driving circuit automatically filters out under the interference of external large pulses; when the ignition coil works abnormally, the protection circuit is automatically started to enable the ignition coil to return to normal work; in addition, whether the ignition coil works normally can be judged through the flickering of the ignition indicator lamp.
Drawings
Fig. 1 is a circuit diagram of an interface module.
Fig. 2 is a circuit diagram of a power module.
Fig. 3 is a circuit diagram of an ignition pre-drive module.
Fig. 4 is a circuit diagram of the over-temperature detection module.
Fig. 5 is a circuit diagram of an ignition drive, indicator lamp and ignition coil.
Fig. 6 is an overall block diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, an integrated ignition coil includes an interface module, a power module, an ignition pre-driving module, an ignition driving module, an overcurrent detection module, an overtemperature detection module, an indicator light and an ignition coil, wherein: the interface module comprises an interface J1, a diode D1 and a diode D2, wherein a pin 5 of the interface J1 is connected with the cathode of the diode D1, and a pin 4 of the interface J1 is connected with the cathode of the diode D2; the power module comprises a chip U1, a resistor R1, a capacitor C1 and a diode D4, wherein a pin 1 of the chip U1 is connected with the capacitor C1, the capacitor C2, the resistor R1 and VCC3V, the other end of the resistor R1 is connected with the cathode of the diode D3, the other end of the capacitor C1 is connected with the other end of the capacitor C2, the capacitor C3, the capacitor C4 and the ground, a pin 3 of the chip U1 is connected with the other end of the capacitor C3, the cathode of the diode D3 and the capacitor C4, and the anode of the diode D4 is connected with the 5 pin of the interface J1. The ignition pre-driving module comprises a chip U2B, a capacitor C6 and a resistor R2, wherein one end of the resistor R2 is connected with a pin 4 of the interface J1, the other end of the resistor R2 is connected with a capacitor C5 and a capacitor C6, the other end of the capacitor C6 is connected with a resistor R3 and a pin 5 of the chip U2B, the other end of the capacitor C5 is connected with the other end of the resistor R3 and is grounded, the pin 6 of the chip U2B is connected with a cathode of the diode D3, and the pin 7 of the chip U2B is connected with the resistor R4. The over-temperature detection module comprises a chip U2A, a resistor R9 and a thermistor RT1, wherein one end of the resistor R9 is connected with the thermistor RT1, a capacitor C8 and a pin 3 of the chip U2A, a pin 2 of the chip U2A is connected with a cathode of a diode D3, a pin 1 of the chip U2A is connected with a resistor R10, and the other end of the thermistor RT1 is grounded; the ignition driving module comprises a chip U3, a switch Z1, a resistor R5 and a resistor R6, wherein one end of the resistor R5 is connected with a pin 4 of the interface J1, the other end of the resistor R5 is connected with a pin 1 of the chip U3, one end of the resistor R6 is connected with a pin 7 of the chip U2B, the other end of the resistor R6 is connected with a pin 3 of the chip U3, the pin 4 of the chip U3 is connected with a resistor R8, the other end of the resistor R8 is connected with a pin 1 of the switch Z1, the pin 3 of the switch Z1 is connected with a cathode of the diode D6 and an ignition coil L1, an anode of the diode D6 is connected with an indicator lamp D5, and the other end of the indicator lamp D5 can be grounded through the resistor R7, and the pin 2 of the switch Z1 is grounded.
The working principle of the invention is as follows: the flashing light type protection integrated ignition coil product specifically comprises the following 5 parts:
1. the interface circuit is composed of a power supply and an ignition signal, the power supply and the signal interface have antistatic protection functions, and the interface circuit is specifically realized by D1 and D2 antistatic diodes, and when static electricity is input, D1 and D2 break down to realize the protection of a later-stage circuit;
2. (FIG. 2) a power circuit providing power to the internal circuitry and providing a reference voltage source;
3. (fig. 3) an ignition pre-drive module, RC filtering is realized through R2 and C5,
carrying out hardware filtering on the interference signals, and filtering direct current signal components through C6;
4. the over-temperature detection module is used for detecting the internal temperature of the ignition coil by RT1, and outputting a protection signal when the temperature exceeds a design value (the over-temperature is caused by abnormal ignition to cause the over-current of the ignition coil, and the protection circuit indirectly realizes the over-current protection of the ignition coil);
5. (fig. 5) indicator light and ignition coil, ignition drive circuit select external ignition signal or the ignition signal that the jam-proof process limited pulse width by U3 drives Z1 to realize ignition coil L1 charges: when the temperature of the ignition coil is normal, U3 selects an external ignition signal to directly drive Z1 to charge the ignition coil L1; when the ignition coil is over-heated, U3 selects an ignition signal defining a pulse width at a later stage to drive Z1 to charge the ignition coil L1. The ignition detection circuit consists of R7, D5 and D6, when Z1 is turned on, D5 is turned on, namely the ignition coil L1 is charged, when Z1 is turned off, D5 is turned off, namely the ignition coil L1 is discharged, when D5 is normally on, namely Z1 is failed, and when D5 is normally off, namely the driving circuit is failed or no ignition signal is input (the function is convenient for overhauling the ignition coil).
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The integrated ignition coil comprises an interface module, a power module, an ignition pre-driving module, an ignition driving module, an overcurrent detection module, an over-temperature detection module, an indicator lamp and an ignition coil, and is characterized in that the interface module is respectively connected with the power module and the ignition pre-driving module, the indicator lamp, the overcurrent detection module and the over-temperature detection module, the ignition pre-driving module is respectively connected with the ignition driving module, the overcurrent detection module and the over-temperature detection module, the ignition driving module is respectively connected with the ignition coil, the overcurrent detection module and the over-temperature detection module, and the indicator lamp is also connected with the ignition coil;
the interface module comprises an interface J1, a diode D1 and a diode D2, wherein a pin 5 of the interface J1 is connected with the cathode of the diode D1, and a pin 4 of the interface J1 is connected with the cathode of the diode D2;
the power module comprises a chip U1, a resistor R1, a capacitor C1 and a diode D4, wherein a pin 1 of the chip U1 is connected with the capacitor C1, the capacitor C2, the resistor R1 and VCC3V, the other end of the resistor R1 is connected with the cathode of the diode D3, the other end of the capacitor C1 is connected with the other end of the capacitor C2, the capacitor C3, the capacitor C4 and the ground, the pin 3 of the chip U1 is connected with the other end of the capacitor C3, the cathode of the diode D3 and the capacitor C4, and the anode of the diode D4 is connected with the 5 pin of the interface J1.
2. An integrated ignition coil as claimed in claim 1, wherein the interface module comprises a power input interface and an ignition signal input interface, the power input interface being connected to the power module, the ignition signal input interface being connected to the ignition pre-drive module.
3. An integrated ignition coil according to claim 1, wherein the ignition pre-driving module comprises a chip U2B, a capacitor C6 and a resistor R2, one end of the resistor R2 is connected to a pin 4 of the interface J1, the other end of the resistor R2 is connected to a capacitor C5 and a capacitor C6, the other end of the capacitor C6 is connected to a resistor R3 and a pin 5 of the chip U2B, the other end of the capacitor C5 is connected to the other end of the resistor R3 and grounded, a pin 6 of the chip U2B is connected to a cathode of the diode D3, and a pin 7 of the chip U2B is connected to the resistor R4.
4. An integrated ignition coil according to claim 3, wherein the over-temperature detection module comprises a chip U2A, a resistor R9 and a thermistor RT1, one end of the resistor R9 is connected to the thermistor RT1, a capacitor C8 and a pin 3 of the chip U2A, the pin 2 of the chip U2A is connected to the cathode of the diode D3, the pin 1 of the chip U2A is connected to a resistor R10, and the other end of the thermistor RT1 is grounded.
5. The integrated ignition coil of claim 4, wherein the ignition driving module comprises a chip U3, a switch Z1, a resistor R5 and a resistor R6, wherein one end of the resistor R5 is connected to a pin 4 of the interface J1, the other end of the resistor R5 is connected to a pin 1 of the chip U3, one end of the resistor R6 is connected to a pin 7 of the chip U2B, the other end of the resistor R6 is connected to a pin 3 of the chip U3, the pin 4 of the chip U3 is connected to a resistor R8, the other end of the resistor R8 is connected to a pin 1 of the switch Z1, the pin 3 of the switch Z1 is connected to a cathode of the diode D6 and the ignition coil L1, an anode of the diode D6 is connected to an indicator lamp D5, the other end of the indicator lamp D5 is grounded through the resistor R7, and the pin 2 of the switch Z1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176445.3A CN108204325B (en) | 2018-03-03 | 2018-03-03 | Integrated ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176445.3A CN108204325B (en) | 2018-03-03 | 2018-03-03 | Integrated ignition coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108204325A CN108204325A (en) | 2018-06-26 |
| CN108204325B true CN108204325B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810176445.3A Active CN108204325B (en) | 2018-03-03 | 2018-03-03 | Integrated ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108204325B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241670A (en) * | 1998-02-26 | 1999-09-07 | Kokusan Denki Co Ltd | Ignition device for internal combustion engine |
| US6204693B1 (en) * | 1997-04-04 | 2001-03-20 | Siemens Aktiengesellschaft | Apparatus for regulating the flow of current through a load |
| CN2927444Y (en) * | 2006-04-10 | 2007-07-25 | 徐州燃烧控制研究院有限公司 | Large-power plasma ignition switch power supply |
| CN202417778U (en) * | 2011-12-08 | 2012-09-05 | 天津斯巴克瑞汽车电子有限公司 | Multifunctional electronic ignition controller for automobile |
| CN206234040U (en) * | 2016-11-08 | 2017-06-09 | 东莞传动电喷科技有限公司 | A kind of BBG ignition control circuit |
| CN207920758U (en) * | 2018-03-03 | 2018-09-28 | 东莞传动电喷科技有限公司 | A kind of integration ignition coil |
-
2018
- 2018-03-03 CN CN201810176445.3A patent/CN108204325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6204693B1 (en) * | 1997-04-04 | 2001-03-20 | Siemens Aktiengesellschaft | Apparatus for regulating the flow of current through a load |
| JPH11241670A (en) * | 1998-02-26 | 1999-09-07 | Kokusan Denki Co Ltd | Ignition device for internal combustion engine |
| CN2927444Y (en) * | 2006-04-10 | 2007-07-25 | 徐州燃烧控制研究院有限公司 | Large-power plasma ignition switch power supply |
| CN202417778U (en) * | 2011-12-08 | 2012-09-05 | 天津斯巴克瑞汽车电子有限公司 | Multifunctional electronic ignition controller for automobile |
| CN206234040U (en) * | 2016-11-08 | 2017-06-09 | 东莞传动电喷科技有限公司 | A kind of BBG ignition control circuit |
| CN207920758U (en) * | 2018-03-03 | 2018-09-28 | 东莞传动电喷科技有限公司 | A kind of integration ignition coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108204325A (en) | 2018-06-26 |
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