CN106205968B - Ignition coil silicon steel sheet - Google Patents
Ignition coil silicon steel sheet Download PDFInfo
- Publication number
- CN106205968B CN106205968B CN201610704320.4A CN201610704320A CN106205968B CN 106205968 B CN106205968 B CN 106205968B CN 201610704320 A CN201610704320 A CN 201610704320A CN 106205968 B CN106205968 B CN 106205968B
- Authority
- CN
- China
- Prior art keywords
- stage casing
- silicon steel
- hypomere
- epimere
- steel sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 56
- 238000004804 winding Methods 0.000 abstract description 23
- 238000009413 insulation Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
-
- 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
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
- H01F2038/127—Ignition, e.g. for IC engines with magnetic circuit including permanent magnet
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (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 a kind of ignition coil silicon steel sheets comprising epimere, stage casing, hypomere；Stage casing upper end is connected with epimere one end, and stage casing lower end is connected with hypomere one end；Epimere, hypomere are in the same side in stage casing, and perpendicular to stage casing；The thickness in stage casing is less than the thickness of epimere and the thickness of hypomere；The height in stage casing is more than the height of epimere and the height of hypomere.The ignition coil silicon steel sheet of the present invention, it is got higher since stage casing is thinning, increase c-type silicon steel medium film section to secondary windings distance, it can be under the premise of ensureing silicon steel sheet constancy of volume and constant coil outer boundary, and ensure in the case where magnetic circuit saturation point is not affected, increase reliable insulation distance, effectively improves the insulation endurance quality of ignition coil.
Description
Technical field
The present invention relates to ignition coil, more particularly to a kind of ignition coil silicon steel sheet.
Background technology
Silicon steel sheet mainly plays magnetic conduction inside ignition coil, and common silicon steel sheet has c-type, O-shaped and D types etc..Silicon steel sheet
It is made of the silicon steel material stamping riveting between 0.35-0.5mm thickness, matches rear embedding ring with entire wire wrapping in ignition coil
Oxygen resin.
It is exhausted in the ignition coil course of work since ignition coil will produce the high pressure of about 35kV during the work time
Edge design is most important.
Chinese patent 201020502663.0 discloses a kind of engine igniting coil, as shown in Figure 1, including shell 1, core
Heart magnetic circuit module 2, plug 3；1 side of the shell is provided with plug hole, and the plug hole side is equipped with card slot；The plug 3 weeks
Side is equipped with the card slot to match with the card slot of the plug hole side；The core magnetic circuit module 2 includes two c-types symmetrically matched
Plastic silicon steel sheet, described 2 one end of core magnetic circuit module are fixed with a socket, be provided in the socket armature winding, it is secondary around
The connecting terminal of group, 2 socket is placed in towards the plug hole in the shell 1 in the core magnetic circuit module, the plug 3
It assigns into the socket and is fastened togather with the shell 1 by card slot, terminals are drawn for the core magnetic circuit module 2
And the core magnetic circuit module 2 is fixed on the shell 1.
As shown in Figure 2, Figure 3, Figure 4.Core magnetic circuit module 2 includes plastic 23, one primary of silicon steel sheet of two c-types symmetrically matched
Winding 22, a secondary windings 21, an I types silicon steel sheet 24, a permanent magnet 26, a socket 25；The skeleton of the armature winding 22
One end is provided with a groove, and grab 29 is provided at left and right sides of the groove, and the groove is provided with guide rail 28, institute in both sides up and down
The other end for stating the skeleton of armature winding 22 is also equipped with guide rail, and the permanent magnet 26 is placed in the groove, the I types silicon steel
Piece 24 is fixed in the skeleton of the armature winding 22, and one end is resisted against the permanent magnet 26 being placed in groove, and the other end is convex
For the other end of the skeleton of the armature winding 22, skeleton one end of the secondary windings 21 is provided with card slot, and the other end is set
It is equipped with guide rail, the armature winding 22 is set in the skeleton of the secondary windings 21, the grab 29 on the armature winding 22
It is fastened togather with the card slot on the secondary windings 21, armature winding 22 and secondary windings 21 is made to be fixed together, two C
The plastic silicon steel sheet 23 of type, one end is placed in the groove up and down between the guide rail 28 of both sides, and makes the end of the plastic silicon steel sheet of two c-types 23
Face paste is closed, and the other end is placed between the guide rail of other end setting of the skeleton of the armature winding 22, and makes the plastic silicon steel sheet of two c-types
23 other end fits in the part that the I types silicon steel sheet protrudes from the skeleton of the armature winding 22 respectively, due to forever
The magneticaction of magnet can closely be combined together the plastic silicon steel sheet 23 of two c-types, the I types silicon steel sheet 24 symmetrically matched.
Voltage's distribiuting as shown in Figure 5 is it is found that in 21 high-pressure side of secondary windings to the potential between the plastic silicon steel sheet of c-type 23
It is poor maximum, reserved enough insulation distances are needed in designing 2 internal structure of core magnetic circuit module.Simultaneously because ignition coil needs
On cylinder cover of engine, there are strict requirements to the volume of ignition coil, defines the maximum side of ignition coil periphery
Boundary's profile (as shown in phantom in FIG.).So the insulation distance for solving 2 high-pressure side of core magnetic circuit module is always that a comparison is tired
Difficult problem.
The effect of silicon steel sheet in actual operation is magnetic conduction, therefore in order to ensure that sufficiently large magnetic flux can be by necessary
Ensure the sectional area of silicon steel sheet.Common 23 structure of c-type silicon steel sheet as shown in fig. 6, including epimere 231, stage casing 232, hypomere 233,
The thickness of epimere 231, stage casing 232 and hypomere 233 is identical, of same size, and the length of epimere 231 is more than the length of hypomere 233.
Invention content
The technical problem to be solved in the present invention is to provide a kind of ignition coil silicon steel sheets, can ensure silicon steel sheet constancy of volume
And under the premise of coil outer boundary is constant, in the case where ensureing that magnetic circuit saturation point is not affected, increase reliable
Insulation distance effectively improves the insulation endurance quality of ignition coil.
In order to solve the above technical problems, ignition coil silicon steel sheet provided by the invention comprising epimere, stage casing, hypomere；
Stage casing upper end is connected with epimere one end, and stage casing lower end is connected with hypomere one end；
Epimere, hypomere are in the same side in stage casing, and perpendicular to stage casing；
The thickness t2 in stage casing is less than the thickness t1 of the epimere and thickness t3 of hypomere；
The height h2 in stage casing is more than the height h1 of the epimere and height h3 of hypomere.
Preferably, junction of the stage casing with epimere and with hypomere is arc-shaped excessively.
Preferably, exceed the top of epimere and hypomere at the top of stage casing, the bottom of the bottom in stage casing with epimere and hypomere
Portion flushes.
Preferably, exceed the top of epimere and hypomere at the top of stage casing, the bottom in stage casing is less than epimere and hypomere
Bottom.
Preferably, 50% to 70%, the h1 that t1=t3, h1=h3, t2 are t1 is 50% to the 70% of h2.
Preferably, 60%%, the h1 that t1=t3, h1=h3, t2 are t1 is the 60% of h2.
Preferably, the length of epimere is more than the length of hypomere.
The ignition coil silicon steel sheet of the present invention is c-type silicon steel sheet, and the thickness in stage casing is thin compared with epimere and hypomere, the height in stage casing
Degree is high compared with epimere and hypomere, i.e., increases boss in silicon steel sheet interlude, the ignition coil silicon steel sheet of the structure, since stage casing becomes
It is thin to get higher, c-type silicon steel medium film section is increased to the distance of secondary windings, can ensure silicon steel sheet constancy of volume and coil outer
Under the premise of boundary is constant, and ensure, in the case where magnetic circuit saturation point is not affected, to increase reliable insulation distance, have
Effect improves the insulation endurance quality of ignition coil.
Description of the drawings
In order to illustrate more clearly of technical scheme of the present invention, the required attached drawing of the present invention is made below simple
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of engine igniting coil；
Fig. 2 is the core magnetic circuit module cross-sectional view in engine igniting coil；
Fig. 3 is that the core magnetic circuit module armature winding in engine igniting coil fixes schematic diagram with secondary windings；
Fig. 4 is that the core plastic silicon steel sheet of magnetic circuit module c-type in engine igniting coil fixes signal with primary and secondary winding
Figure；
Fig. 5 is the voltage's distribiuting schematic diagram of core magnetic circuit module；
Fig. 6 is existing c-type coiled silicon steel sheet structure schematic diagram；
Fig. 7 is one example structure schematic diagram of ignition coil silicon steel sheet of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, clear, complete description is carried out to the technical solution in the present invention, it is clear that described
Embodiment is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
All other embodiment that logical technical staff is obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment one
Ignition coil silicon steel sheet, as shown in fig. 7, comprises epimere 231, stage casing 232, hypomere 233,232 upper end of stage casing is same as above
The connection of 231 one end of section, 232 lower end of stage casing are connected with 233 one end of hypomere, epimere 231, hypomere 233 in the same side in stage casing 232,
And perpendicular to stage casing 232；
Thickness (the distance between the interior outside) t2 in stage casing 232 is less than the thickness (the distance between interior outside) of epimere 231
Thickness (the distance between interior outside) t3 of t1 and hypomere 233；
Height (bottom is with the distance between top) h2 in stage casing 232 be more than epimere 231 height (bottom is the same as between top
Distance) h1 and hypomere 233 height (bottom is with the distance between top) h3.
The ignition coil silicon steel sheet of embodiment one is c-type silicon steel sheet, and the thickness in stage casing 232 is compared with epimere 231 and hypomere 233
Thin, the height in stage casing 232 is high compared with epimere 231 and hypomere 233, i.e., increases boss in silicon steel sheet interlude, the igniting of the structure
Coil silicon steel sheet is got higher since stage casing 232 is thinning, increases the distance that c-type silicon steel medium film section 232 arrives secondary windings 21, can be
Under the premise of ensureing that silicon steel sheet constancy of volume and coil outer boundary are constant, and ensure not to be affected in magnetic circuit saturation point
In the case of, increase reliable insulation distance, effectively improves the insulation endurance quality of ignition coil.The ignition coil of embodiment one
Silicon steel sheet reduces coil magnetic field intensity to increase insulation performance by step design, only needs to increase in silicon steel sheet punching course
Add a kind of punch of specification that can meet condition, making easy to process.
Embodiment two
Ignition coil silicon steel sheet based on embodiment one, junction of the stage casing 232 with epimere 231 and with hypomere 233 are in arc
Shape is excessive.
Embodiment three
Ignition coil silicon steel sheet based on embodiment one, the top in stage casing 232 exceed the top of epimere 231 and hypomere 233
The bottom in portion, stage casing 232 is flushed with the bottom of epimere 231 and hypomere 233, i.e., stage casing 232 is the same as epimere 231 and hypomere 233
Boss is formed at top.
Example IV
Ignition coil silicon steel sheet based on embodiment one, the top in stage casing 232 exceed the top of epimere 231 and hypomere 233
Portion, less than the bottom of epimere 231 and hypomere 233, i.e. stage casing 232 exists with epimere 231 and hypomere 233 for the bottom in stage casing 232
Top and bottom are respectively formed boss.
Embodiment five
Ignition coil silicon steel sheet based on embodiment one, t1=t3, h1=h3, t2 are 50% to 70%, the h1 h2 of t1
50% to 70%.
Preferably, 60%%, the h1 that t1=t3, h1=h3, t2 are t1 is the 60% of h2.
Preferably, the length of epimere 231 is more than the length of hypomere 233.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (6)
1. a kind of ignition coil silicon steel sheet, which is characterized in that including epimere, stage casing, hypomere；
Stage casing upper end is connected with epimere one end, and stage casing lower end is connected with hypomere one end；
Epimere, hypomere are in the same side in stage casing, and perpendicular to stage casing；
The thickness t2 in stage casing is less than the thickness t1 of the epimere and thickness t3 of hypomere；
The height h2 in stage casing is more than the height h1 of the epimere and height h3 of hypomere；
T1=t3, h1=h3, t2 are that 50% to 70%, the h1 of t1 is 50% to the 70% of h2.
2. ignition coil silicon steel sheet according to claim 1, which is characterized in that
Junction of the stage casing with epimere and with hypomere is arc-shaped excessively.
3. ignition coil silicon steel sheet according to claim 1, which is characterized in that
Exceed the top of epimere and hypomere at the top of stage casing, the bottom in stage casing is flushed with the bottom of epimere and hypomere.
4. ignition coil silicon steel sheet according to claim 1, which is characterized in that
Exceed the top of epimere and hypomere at the top of stage casing, the bottom in stage casing is less than the bottom of epimere and hypomere.
5. ignition coil silicon steel sheet according to claim 1, which is characterized in that
T1=t3, h1=h3, t2 are that 60%%, the h1 of t1 is the 60% of h2.
6. ignition coil silicon steel sheet according to claim 1, which is characterized in that
The length of epimere is more than the length of hypomere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610704320.4A CN106205968B (en) | 2016-08-22 | 2016-08-22 | Ignition coil silicon steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610704320.4A CN106205968B (en) | 2016-08-22 | 2016-08-22 | Ignition coil silicon steel sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106205968A CN106205968A (en) | 2016-12-07 |
| CN106205968B true CN106205968B (en) | 2018-10-09 |
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ID=57524692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610704320.4A Active CN106205968B (en) | 2016-08-22 | 2016-08-22 | Ignition coil silicon steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106205968B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134353B (en) * | 2017-06-28 | 2024-01-30 | 安徽盛洲汽车部件有限公司 | Ignition coil low-voltage framework positioning structure |
| CN107146699A (en) * | 2017-06-28 | 2017-09-08 | 安徽盛洲汽车部件有限公司 | Ignition coil high pressure framework positioning structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4208706A1 (en) * | 1992-03-18 | 1993-09-23 | Beru Werk Ruprecht Gmbh Co A | Ignition coil for IC engine - has circular inner core on which primary and secondary windings are wound |
| CN202084413U (en) * | 2011-05-06 | 2011-12-21 | 重庆建兴智能仪表有限责任公司 | Ignition coil of motorcycle |
| CN203118747U (en) * | 2013-04-02 | 2013-08-07 | 宁波家琦电子有限公司 | Small-sized closed magnetic circuit ignition coil |
| CN205984572U (en) * | 2016-08-22 | 2017-02-22 | 联合汽车电子有限公司 | Ignition coil blade of silicon steel |
-
2016
- 2016-08-22 CN CN201610704320.4A patent/CN106205968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4208706A1 (en) * | 1992-03-18 | 1993-09-23 | Beru Werk Ruprecht Gmbh Co A | Ignition coil for IC engine - has circular inner core on which primary and secondary windings are wound |
| CN202084413U (en) * | 2011-05-06 | 2011-12-21 | 重庆建兴智能仪表有限责任公司 | Ignition coil of motorcycle |
| CN203118747U (en) * | 2013-04-02 | 2013-08-07 | 宁波家琦电子有限公司 | Small-sized closed magnetic circuit ignition coil |
| CN205984572U (en) * | 2016-08-22 | 2017-02-22 | 联合汽车电子有限公司 | Ignition coil blade of silicon steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106205968A (en) | 2016-12-07 |
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