CN101943099B - Engine ignition coil and primary winding thereof - Google Patents
Engine ignition coil and primary winding thereof Download PDFInfo
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- CN101943099B CN101943099B CN 201010250452 CN201010250452A CN101943099B CN 101943099 B CN101943099 B CN 101943099B CN 201010250452 CN201010250452 CN 201010250452 CN 201010250452 A CN201010250452 A CN 201010250452A CN 101943099 B CN101943099 B CN 101943099B
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Abstract
The invention discloses an engine ignition coil which comprises a primary winding and a secondary winding, wherein the secondary winding is characterized in that a lacquered wire is wound on a secondary frame to be used as a secondary coil; two ends of the lacquered wire wound on the secondary frame are led out of two ends of the secondary frame to be used as ignition voltage output ends of the secondary coil; the primary winding is characterized in that a lacquered wire is wound on a primary frame to be used as a primary coil; the primary coil is arranged in a cavity formed by the inner wall of the secondary frame of the secondary winding, and an insulation distance is reserved between the primary coil and the inner wall of the secondary frame; and the insulation distance between the middle part of the primary coil and the inner wall of the secondary frame is less than the insulation distance between each of the two ends of the primary coil and the inner wall of the secondary frame. The invention discloses a primary winding of an engine ignition coil. The engine ignition coil of the invention can increase the insulation strength under the condition of effectively ensuring that the ignition voltage output of the secondary coil is constant.
Description
Technical field
The present invention relates to automotive electronic technology, particularly a kind of engine igniting coil and armature winding thereof.
Background technique
Common engine igniting coil as shown in Figure 1, comprises secondary windings, armature winding; Secondary windings comprises secondary framework 22, secondary winding 21, secondary windings is to twine enameled cable as secondary winding 21 at secondary framework 22, and draw from the two ends of secondary framework 22 as secondary winding ignition voltage output terminal at the two ends of the enameled cable that twines on the secondary framework 22; Armature winding as shown in Figure 2, comprise elementary skeleton 12, primary air 11, be on elementary skeleton 12 the uniform winding enameled cable as primary air 11, the two end portions of elementary skeleton 12 is identical with the number of plies of the enameled cable that the intermediate portion branch twines, elementary skeleton 12 is cylindricality, its outer rim cross section is similar figures with secondary inboard wall of skeleton cross section, usually all be square or rectangular, primary air place in the formed cavity of secondary framework inwall and primary air with leaving insulation distance between secondary inboard wall of skeleton, embedding has insulating resin 31 between this insulation distance that leaves, since armature winding be on elementary skeleton the uniform winding enameled cable as primary air 11, so secondary framework 22 inwalls equate to the insulation distance of primary air 11.
When engine igniting coil is worked, 21 liang of ignition voltage output terminals of secondary winding alternately produce the ignition voltage of about 30kV, so being positioned at 21 liang of ignition voltage output terminals of secondary winding with primary air 11 potential difference maximum points, secondary winding 21 is about 30kV, the potential difference smallest point is positioned at the coil middle part and is about 15kV, can better not utilize the spark coil internal structure, if increase insulation distance, then cause easily 21 liang of ignition voltage output terminals of secondary winding and primary air 11 potential differences excessive, produce high-voltage breakdown, cause coil failure.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of engine igniting coil, can effectively guarantee to increase insulating strength in the constant situation of secondary winding ignition voltage output.
For solving the problems of the technologies described above, engine igniting coil of the present invention, comprise armature winding, secondary windings, secondary windings is to twine enameled cable as secondary winding at secondary framework, draw from the two ends of secondary framework as secondary winding ignition voltage output terminal at the two ends of the enameled cable that twines on the secondary framework, armature winding is to twine enameled cable as primary air at elementary skeleton, primary air place in the formed cavity of secondary framework inwall of secondary windings and primary air with leaving insulation distance between secondary inboard wall of skeleton, it is characterized in that the primary air intermediate portion arrives the insulation distance of secondary framework inwall less than the primary air two end portions to the insulation distance of secondary framework inwall.
Elementary skeleton outer rim cross section can be similar figures with secondary inboard wall of skeleton cross section, and the number of plies of the enameled cable that elementary skeleton intermediate portion branch twines is greater than the number of plies of the enameled cable of elementary skeleton two end part branch winding.
Elementary skeleton intermediate portion can be 1/4th to 1/2nd of elementary skeleton length.
Elementary skeleton intermediate portion can be 1/4th, 1/2nd or 1/3rd of elementary skeleton length.
Described elementary skeleton outer rim cross section and secondary framework cross section of inboard wall can be all square or rectangular.
Can insulating resin be arranged embedding between described insulation distance.
For solving the problems of the technologies described above, the invention also discloses a kind of engine igniting coil armature winding, twine enameled cable as primary air at elementary skeleton, described elementary skeleton is cylindricality, and the number of plies of the enameled cable that elementary skeleton intermediate portion branch twines is greater than the number of plies of the enameled cable of elementary skeleton two end part branch winding.
Described elementary skeleton outer rim cross section can be square or rectangular.
Elementary skeleton intermediate portion can be 1/4th to 1/2nd of elementary skeleton length.
Elementary skeleton intermediate portion can be 1/4th, 1/2nd or 1/3rd of elementary skeleton length.
Engine igniting coil of the present invention, draw from the two ends of secondary framework as secondary winding ignition voltage output terminal at the two ends of the enameled cable that twines on the secondary framework, the primary air intermediate portion of armature winding arrives the insulation distance of secondary framework inwall less than the primary air two end portions to the insulation distance of secondary framework inwall, when armature winding winds the line at the elementary skeleton of cylindricality, can adopt the intermediate coat envelope curve number of plies many, the winding mode that the two ends number of plies is few, in the situation of guaranteeing coil middle part insulation distance, can increase to a greater extent the insulation distance of secondary winding ignition voltage output terminal and primary air, can effectively guarantee in the constant situation of secondary winding ignition voltage output, increase the product insulating strength, improve stability, increase the service life.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
Fig. 1 is common engine igniting coil schematic representation;
Fig. 2 is the armature winding schematic representation of common engine igniting coil;
Fig. 3 is engine igniting coil one mode of execution schematic representation of the present invention;
Fig. 4 is engine igniting coil one embodiment's of the present invention armature winding schematic representation.
Embodiment
Engine igniting coil one mode of execution of the present invention comprises armature winding, secondary windings as shown in Figure 3;
Secondary windings comprises secondary framework 22, secondary winding 21, secondary windings is to twine enameled cable as secondary winding 21 at secondary framework 22, and draw from the two ends of secondary framework 22 as secondary winding ignition voltage output terminal at the two ends of the enameled cable that twines on the secondary framework 22;
Armature winding comprises elementary skeleton 12, primary air 11, armature winding is to twine enameled cable as primary air 11 at elementary skeleton 12, primary air 11 place in the formed cavity of secondary framework 22 inwalls of secondary windings and primary air 11 with leaving insulation distance between secondary skeleton 22 inwalls, embedding has insulating resin 31 between described insulation distance;
One preferred embodiment as shown in Figure 4, elementary skeleton outer rim cross section is similar figures with secondary inboard wall of skeleton cross section, the number of plies of the enameled cable that elementary skeleton intermediate portion branch twines is greater than the number of plies of the enameled cable of elementary skeleton two end part branch winding, for example described elementary skeleton is cylindricality, and described elementary skeleton outer rim cross section and secondary framework cross section of inboard wall are all square or rectangular.Elementary skeleton intermediate portion can be 1/4th to 1/2nd of elementary skeleton length, as being 1/4th, 1/2nd or 1/3rd.
Engine igniting coil of the present invention, draw from the two ends of secondary framework as secondary winding ignition voltage output terminal at the two ends of the enameled cable that twines on the secondary framework, the primary air intermediate portion of armature winding arrives the insulation distance of secondary framework inwall less than the primary air two end portions to the insulation distance of secondary framework inwall, when armature winding winds the line at the elementary skeleton of cylindricality, can adopt the intermediate coat envelope curve number of plies many, the winding mode that the two ends number of plies is few, in the situation of guaranteeing coil middle part insulation distance, can increase to a greater extent the insulation distance of secondary winding ignition voltage output terminal and primary air, can effectively guarantee in the constant situation of secondary winding ignition voltage output, increase the product insulating strength, improve stability, increase the service life.
Claims (9)
1. engine igniting coil, comprise armature winding, secondary windings, secondary windings is on secondary framework, to be wound around enamel-covered wire as secondary coil, draw from the two ends of secondary framework as secondary coil ignition voltage output at the two ends of the enamel-covered wire that is wound around on secondary framework, armature winding is on elementary skeleton, to be wound around enamel-covered wire as primary coil, primary coil be placed in the formed cavity of secondary framework inwall of secondary windings and primary coil with between secondary inboard wall of skeleton, leaving insulation distance, it is characterized in that
The primary air intermediate portion arrives the insulation distance of secondary framework inwall less than the primary air two end portions to the insulation distance of secondary framework inwall;
Elementary skeleton outer rim cross section is similar figures with secondary inboard wall of skeleton cross section, and the number of plies of the enameled cable that elementary skeleton intermediate portion branch twines is greater than the number of plies of the enameled cable of elementary skeleton two end part branch winding.
2. engine igniting coil according to claim 1 is characterized in that, elementary skeleton intermediate portion is 1/4th to 1/2nd of elementary skeleton length.
3. engine igniting coil according to claim 1 is characterized in that, elementary skeleton intermediate portion is 1/4th, 1/2nd or 1/3rd of elementary skeleton length.
4. engine igniting coil according to claim 1 is characterized in that, described elementary skeleton outer rim cross section and secondary framework cross section of inboard wall are all square or rectangular.
5. engine igniting coil according to claim 1 is characterized in that, embedding has insulating resin between described insulation distance.
6. engine igniting coil armature winding, comprise elementary skeleton, primary air, twine enameled cable as primary air at elementary skeleton, it is characterized in that, described elementary skeleton is cylindricality, and the number of plies of the enameled cable that elementary skeleton intermediate portion branch twines is greater than the number of plies of the enameled cable of elementary skeleton two end part branch winding.
7. engine igniting coil armature winding according to claim 6 is characterized in that, described elementary skeleton outer rim cross section is square or rectangular.
8. engine igniting coil armature winding according to claim 6 is characterized in that, elementary skeleton intermediate portion is 1/4th to 1/2nd of elementary skeleton length.
9. engine igniting coil armature winding according to claim 6 is characterized in that, elementary skeleton intermediate portion is 1/4th, 1/2nd or 1/3rd of elementary skeleton length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010250452 CN101943099B (en) | 2010-08-11 | 2010-08-11 | Engine ignition coil and primary winding thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010250452 CN101943099B (en) | 2010-08-11 | 2010-08-11 | Engine ignition coil and primary winding thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101943099A CN101943099A (en) | 2011-01-12 |
| CN101943099B true CN101943099B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010250452 Active CN101943099B (en) | 2010-08-11 | 2010-08-11 | Engine ignition coil and primary winding thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878124A (en) * | 2018-08-28 | 2018-11-23 | 嘉兴德科发动机部件有限公司 | The powered down position such as a kind of arranges pen type ignition coil |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2818001A1 (en) * | 2000-12-13 | 2002-06-14 | Sagem | Car engine ignition coil having constant ferromagnetic section with primary/secondary winding and ferromagnetic material return path with constant distance gap two central core faces |
| CN2534382Y (en) * | 2002-03-27 | 2003-02-05 | 郭锋 | Iron-corn withstand voltage ignition coil for motorcycle |
| CN201025215Y (en) * | 2007-04-30 | 2008-02-20 | 重庆市恒丰塑胶电器有限公司 | A high airproof high-pressure package for igniting system of gasoline engine |
| CN101305431A (en) * | 2005-09-12 | 2008-11-12 | 普尔斯有限公司 | Rod ignition transformer for supplying an ignition element, especially a spark plug of an internal combustion engine, with high voltage |
| CN201402734Y (en) * | 2009-04-03 | 2010-02-10 | 楼甜甜 | Ignition coil with magnetic steel installed inside |
| CN101055794B (en) * | 2006-03-09 | 2010-05-26 | 株式会社电装 | Ignition coil |
| CN201853569U (en) * | 2010-08-11 | 2011-06-01 | 联合汽车电子有限公司 | Ignition coil of engine and primary winding of ignition coil of engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20005821U1 (en) * | 2000-03-29 | 2001-08-02 | Bosch Gmbh Robert | Ignition system for internal combustion engines |
-
2010
- 2010-08-11 CN CN 201010250452 patent/CN101943099B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2818001A1 (en) * | 2000-12-13 | 2002-06-14 | Sagem | Car engine ignition coil having constant ferromagnetic section with primary/secondary winding and ferromagnetic material return path with constant distance gap two central core faces |
| CN2534382Y (en) * | 2002-03-27 | 2003-02-05 | 郭锋 | Iron-corn withstand voltage ignition coil for motorcycle |
| CN101305431A (en) * | 2005-09-12 | 2008-11-12 | 普尔斯有限公司 | Rod ignition transformer for supplying an ignition element, especially a spark plug of an internal combustion engine, with high voltage |
| CN101055794B (en) * | 2006-03-09 | 2010-05-26 | 株式会社电装 | Ignition coil |
| CN201025215Y (en) * | 2007-04-30 | 2008-02-20 | 重庆市恒丰塑胶电器有限公司 | A high airproof high-pressure package for igniting system of gasoline engine |
| CN201402734Y (en) * | 2009-04-03 | 2010-02-10 | 楼甜甜 | Ignition coil with magnetic steel installed inside |
| CN201853569U (en) * | 2010-08-11 | 2011-06-01 | 联合汽车电子有限公司 | Ignition coil of engine and primary winding of ignition coil of engine |
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| Publication number | Publication date |
|---|---|
| CN101943099A (en) | 2011-01-12 |
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