CN203118747U - Small-sized closed magnetic circuit ignition coil - Google Patents
Small-sized closed magnetic circuit ignition coil Download PDFInfo
- Publication number
- CN203118747U CN203118747U CN 201320158755 CN201320158755U CN203118747U CN 203118747 U CN203118747 U CN 203118747U CN 201320158755 CN201320158755 CN 201320158755 CN 201320158755 U CN201320158755 U CN 201320158755U CN 203118747 U CN203118747 U CN 203118747U
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- iron core
- magnetic circuit
- closed magnetic
- small
- ignition coil
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Abstract
The utility model discloses a small-sized closed magnetic circuit ignition coil. The small-sized closed magnetic circuit ignition coil comprises a plurality of sets of coil assemblies. Each set of the coil assemblies mainly comprises primary windings, secondary windings, primary skeletons, secondary skeletons and an iron core, wherein the secondary windings are wound on the secondary skeletons, the iron core is formed by an I-shaped body arranged in the center and two C-shaped bodies arranged on two wings in a matching combination mode, the primary windings are wound on the primary skeletons, the primary skeletons are arranged on the outer side of the I-shaped body in a sleeved mode, and the secondary skeletons are arranged on the outer sides of the primary skeletons in a sleeved mode. According to the small-sized closed magnetic circuit ignition coil, due to the fact that the structure of the iron core is redesigned to form a closed magnetic circuit mode, the size of the small-sized closed magnetic circuit ignition coil can be effectively reduced, and the energy usage ratio can be improved.
Description
Technical field
The utility model relates to a kind of ignition coil of engine, is specially a kind of small-sized closed magnetic circuit ignition coil.
Technical background
The coil block of traditional automobile-used high-voltage ignition coil adopts the open-flux structure setting, its structure as shown in Figure 1, arrange in the coil block single strip iron core 1 ', this iron core 1 ' form in conjunction with iron core air gap open-flux path pattern of " iron core-air ".
During work, elementary winding 2 ' connection low-tension supply along with the growth of electric current, produces high-intensity magnetic field all around, magnetic field energy be stored in iron core 1 ' and elementary winding 2 ' in.When control circuit disconnects primary circuit, decay rapidly in elementary winding 2 ' interior magnetic field, by " iron core 1 '-iron core air gap " this closed-loop path, to secondary winding 3 ' induce high voltage.
There is the defective that volume is big, energy loss is high in the ignition coil of above structure setting, and the volume of ignition coil directly influences wiring setting and the installing space of engine, can't satisfy the demand of family car compact conformation, low energy consumption.
The utility model content
At the problems referred to above, the utility model has designed a kind of small-sized closed magnetic circuit ignition coil, has redesigned the magnetic circuit pattern, and effectively reduced point fire coil volume improves capacity usage ratio.
For achieving the above object, the utility model is by the following technical solutions:
A kind of small-sized closed magnetic circuit ignition coil, comprise some groups of coil blocks, every group of coil block mainly is made up of elementary winding, secondary winding, elementary skeleton, secondary skeleton and iron core, wherein secondary winding is wound on the secondary skeleton, it is characterized in that: described iron core is formed by " I " type body that is positioned at the center and two classes " C " type body matched combined that is positioned at both wings; Described elementary winding is wound on the elementary skeleton, and elementary skeleton is nested with in the outside of " I " body, and described secondary skeleton is nested with the outside at elementary skeleton.
Further, the tail end side seamless link of above-mentioned two classes " C " body tail end and " I " body, the top of two classes " C " body hold mutually together and and the top of " I " body between leave the gap and form iron core air gap, in the described iron core air gap magnet steel is installed.
Further, above-mentioned iron core adopts the DW310 silicon steel sheet.
Further, above-mentioned magnet steel adopts samarium-cobalt material.
The utility model has redesigned core structure, whole iron core is made of " I " type body collocation two classes " C " type body, in iron core air gap, fill magnet steel simultaneously and form the closed magnetic circuit pattern, " iron core-air " open-flux path pattern compared to traditional single strip iron core formation, the closed magnetic circuit pattern has prolonged the length of magnetic path, energy is carried in iron core and magnet steel conductor all the time, conversion, capacity usage ratio effectively improves, structure is compacter, and whole ignition coil reduction in bulk is about half of conventional point fire coil.
During work, the elementary winding in the coil block is connected power supply, along with the growth of electric current, produces high-intensity magnetic field all around, and magnetic field energy is stored in iron core, magnet steel and the elementary winding.When control circuit disconnected primary circuit, decaying rapidly in the magnetic field in the elementary winding, by the closed magnetic circuit iron core, induces high voltage to secondary winding.
At this, fill iron core air gap with magnet steel in the utility model, play the effect that connects iron core on the one hand, also increased winding inductance quantity on the other hand, and then reached to prolong and magnetize the time, increase the purpose of input and output energy.
Description of drawings
The coil block structural representation of Fig. 1, conventional point fire coil;
The decomposing schematic representation of Fig. 2, the utility model coil block;
The iron circuit figure of Fig. 3, the utility model coil block.
Embodiment
Shown in Fig. 2 and 3, a kind of small-sized closed magnetic circuit ignition coil comprises some groups of coil blocks, and every group of coil block mainly is made up of elementary winding 1, secondary winding 2, elementary skeleton 3, secondary skeleton 4 and iron core 5,
Described iron core 5 adopts the DW310 silicon steel sheet, and whole iron core 5 is formed by one " I " type body 51 that is positioned at the center and two classes " C " type body, 52 matched combined that are positioned at both wings.The tail end side seamless link of two classes " C " body, 52 tail ends and " I " body 51, the top of two classes " C " body 52 holds mutually together and leaves the gap and form iron core air gap 53 with the top of " I " body 51, and the magnet steel 6 that samarium-cobalt material is made is installed in the described iron core air gap 53.
Described elementary winding 1 is made up of the enamelled wire of diameter 0.5-0.9mm, and it is wound on the elementary skeleton 3.Secondary winding 2 is made up of the enamelled wire of diameter 0.05-0.09mm, and it is wound on the secondary skeleton 4.At this, elementary skeleton 3 is nested with in the outside of " I " body 51, and secondary skeleton 4 is nested with the outside at elementary skeleton 3.
The utility model has redesigned iron core 5 structures, whole iron core 5 is made of " I " type body 51 collocation two classes " C " type bodies 52, in iron core air gap 53, fill magnet steel 6 simultaneously and form the closed magnetic circuit pattern, " iron core-air " open-flux path pattern compared to traditional single strip iron core formation, the closed magnetic circuit pattern has prolonged the length of magnetic path, energy is carried in iron core 5 and magnet steel 6 conductors all the time, conversion, capacity usage ratio effectively improves, structure is compacter, and whole ignition coil reduction in bulk is about half of conventional point fire coil.
During work, the elementary winding 1 in the coil block is connected power supply, along with the growth of electric current, produces high-intensity magnetic field all around, and magnetic field energy is stored in iron core 5, magnet steel 6 and the elementary winding 1.When control circuit disconnected primary circuit, decaying rapidly in the magnetic field in the elementary winding 1, by closed magnetic circuit iron core 5, magnet steel 6, induces high voltage to secondary winding 2.
At this, fill iron core air gaps 53 with magnet steel 6 in the utility model, play the effect that connects iron core 5 on the one hand, also increased winding inductance quantity on the other hand, and then reached to prolong and magnetize the time, increase the purpose of input and output energy.
To sum up, the utility model is a kind of small-sized closed magnetic circuit ignition coil, and it has redesigned the magnetic circuit pattern, and effectively reduced point fire coil volume improves capacity usage ratio.The above, it only is preferred embodiments of the present utility model, be not that utility model is done any pro forma restriction, every foundation know-why of the present utility model still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations or modification that above embodiment does.
Claims (4)
1. small-sized closed magnetic circuit ignition coil, comprise some groups of coil blocks, every group of coil block mainly is made up of elementary winding, secondary winding, elementary skeleton, secondary skeleton and iron core, wherein secondary winding is wound on the secondary skeleton, it is characterized in that: described iron core is formed by " I " type body that is positioned at the center and two classes " C " type body matched combined that is positioned at both wings; Described elementary winding is wound on the elementary skeleton, and elementary skeleton is nested with in the outside of " I " body, and described secondary skeleton is nested with the outside at elementary skeleton.
2. small-sized closed magnetic circuit ignition coil as claimed in claim 1, it is characterized in that: the tail end side seamless link of described two classes " C " body tail end and " I " body, the top of two classes " C " body hold mutually together and and the top of " I " body between leave the gap and form iron core air gap, in the described iron core air gap magnet steel is installed.
3. small-sized closed magnetic circuit ignition coil as claimed in claim 1 or 2 is characterized in that: described iron core employing DW310 silicon steel sheet.
4. small-sized closed magnetic circuit ignition coil as claimed in claim 2 is characterized in that: described magnet steel employing samarium-cobalt material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158755 CN203118747U (en) | 2013-04-02 | 2013-04-02 | Small-sized closed magnetic circuit ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158755 CN203118747U (en) | 2013-04-02 | 2013-04-02 | Small-sized closed magnetic circuit ignition coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118747U true CN203118747U (en) | 2013-08-07 |
Family
ID=48899070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320158755 Expired - Fee Related CN203118747U (en) | 2013-04-02 | 2013-04-02 | Small-sized closed magnetic circuit ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545098A (en) * | 2013-10-08 | 2014-01-29 | 太仓康茂电子有限公司 | Ignition coil with closed magnetic circuit |
| CN106205968B (en) * | 2016-08-22 | 2018-10-09 | 联合汽车电子有限公司 | Ignition coil silicon steel sheet |
-
2013
- 2013-04-02 CN CN 201320158755 patent/CN203118747U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545098A (en) * | 2013-10-08 | 2014-01-29 | 太仓康茂电子有限公司 | Ignition coil with closed magnetic circuit |
| CN106205968B (en) * | 2016-08-22 | 2018-10-09 | 联合汽车电子有限公司 | Ignition coil silicon steel sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140402 |