CN106205968A - Ignition coil silicon steel sheet - Google Patents
Ignition coil silicon steel sheet Download PDFInfo
- Publication number
- CN106205968A CN106205968A CN201610704320.4A CN201610704320A CN106205968A CN 106205968 A CN106205968 A CN 106205968A CN 201610704320 A CN201610704320 A CN 201610704320A CN 106205968 A CN106205968 A CN 106205968A
- Authority
- CN
- China
- Prior art keywords
- stage casing
- silicon steel
- hypomere
- steel sheet
- epimere
- 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.)
- Granted
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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
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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
- F02P3/02—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
Abstract
The invention discloses a kind of ignition coil silicon steel sheet, it includes epimere, stage casing, hypomere;Upper end, stage casing connects with epimere one end, and lower end, stage casing connects with hypomere one end;Epimere, hypomere are in the same side in stage casing, and are perpendicular to stage casing;The thickness in stage casing is less than thickness and the thickness of hypomere of epimere;The height in stage casing is more than height and the height of hypomere of epimere.The ignition coil silicon steel sheet of the present invention, uprise owing to stage casing is thinning, add the c-type silicon steel sheet stage casing distance to secondary windings, can be on the premise of guarantee silicon steel sheet constancy of volume and coil outer border be constant, and ensure in the case of magnetic circuit saturation point is not affected, increase reliable insulation distance, be effectively improved the insulation endurance quality of ignition coil.
Description
Technical field
The present invention relates to ignition coil, particularly to a kind of ignition coil silicon steel sheet.
Background technology
The internal silicon steel sheet of ignition coil acts primarily as magnetic conduction effect, and common silicon steel sheet has c-type, O type and D type etc..Silicon steel sheet
It is made up of the silicon steel material stamping riveting between 0.35-0.5mm thickness, embedding ring after joining with whole wire wrapping in ignition coil
Epoxy resins.
The high pressure of about 35kV can be produced in the course of the work, exhausted in ignition coil work process due to ignition coil
Edge design is most important.
Chinese patent 201020502663.0 discloses a kind of engine igniting coil, as it is shown in figure 1, include housing 1, core
Heart magnetic circuit module 2, plug 3;Described housing 1 side has a plug hole, described plug hole week side be provided with draw-in groove;Described plug 3 weeks
While be provided with the draw-in groove matched with the draw-in groove of side of described plug hole week;Described core magnetic circuit module 2 includes two c-types of symmetrical pairing
Plastic silicon steel sheet, described core magnetic circuit module 2 one end is fixed with a socket, be provided with in described socket armature winding, secondary around
The binding post of group, in described core magnetic circuit module, the socket of 2 is placed in described housing 1 towards described plug hole, described plug 3
It is fastened togather with described housing 1 in assigning into described socket and by draw-in groove, draws terminals for described core magnetic circuit module 2
And described core magnetic circuit module 2 is fixed on described housing 1.
As shown in Figure 2, Figure 3, Figure 4.Core magnetic circuit module 2 includes that the two plastic silicon steel sheets of c-type 23, of symmetrical pairing are primary
Winding 22, one secondary windings 21, I type silicon steel sheet 24, permanent magnet 26, a socket 25;The skeleton of described armature winding 22
One end is provided with a groove, and the described groove left and right sides is provided with grab 29, and described groove about 27 both sides are provided with guide rail 28,
The other end of the skeleton of described armature winding 22 is also equipped with guide rail, and described permanent magnet 26 is placed in described groove, described I type silicon
Steel disc 24 is fixed in the skeleton of described armature winding 22, one end be resisted against described in the permanent magnet 26 that is placed in groove, the other end
Protruding from the other end of the skeleton of described armature winding 22, skeleton one end of described secondary windings 21 is provided with draw-in groove, the other end
Being provided with guide rail, described armature winding 22 is set in the grab in the skeleton of described secondary windings 21, on described armature winding 22
29 are fastened togather with the draw-in groove on described secondary windings 21, make armature winding 22 and secondary windings 21 be fixed together, described
The two plastic silicon steel sheets of c-type 23, one end is placed between the guide rail 28 of described groove about 27 both sides, and makes the two plastic silicon steel sheets of c-type 23
The laminating of this end face, the other end is placed between the guide rail that the other end of the skeleton of described armature winding 22 is arranged, and makes two c-types plastic
This other end of silicon steel sheet 23 fits in the part that described I type silicon steel sheet protrudes from the skeleton of described armature winding 22 respectively,
Due to the magneticaction of permanent magnet, the two plastic silicon steel sheets of c-type 23 of symmetry pairing, I type silicon steel sheet 24 can be coordinated closely
Together.
Voltage's distribiuting as shown in Figure 5 understands, the electromotive force between secondary windings 21 high-pressure side to the plastic silicon steel sheet of c-type 23
Difference maximum, needs reserved enough insulation distances in design core magnetic circuit module 2 internal structure.Simultaneously because ignition coil needs
It is arranged on cylinder cover of engine, the volume of ignition coil is had strict requirements, define the maximum limit that ignition coil is peripheral
Boundary's profile (as shown in phantom in FIG.).So the insulation distance solving core magnetic circuit module 2 high-pressure side is always a comparison and is stranded
Difficult problem.
Silicon steel sheet effect in real work is magnetic conduction, therefore to ensure that sufficiently large magnetic flux can be by necessary
Ensure the sectional area of silicon steel sheet.Common c-type silicon steel sheet 23 structure as shown in Figure 6, including epimere 231, stage casing 232, hypomere 233,
The thickness of epimere 231, stage casing 232 and hypomere 233 is identical, width is identical, and the length of epimere 231 is more than the length of hypomere 233.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of ignition coil silicon steel sheet, can ensure silicon steel sheet constancy of volume
And on the premise of coil outer border is constant, in the case of ensureing that magnetic circuit saturation point is not affected, increase reliably
Insulation distance, is effectively improved the insulation endurance quality of ignition coil.
For solving above-mentioned technical problem, the ignition coil silicon steel sheet that the present invention provides, it includes epimere, stage casing, hypomere;
Upper end, stage casing connects with epimere one end, and lower end, stage casing connects with hypomere one end;
Epimere, hypomere are in the same side in stage casing, and are perpendicular to stage casing;
The thickness t2 in stage casing is less than the thickness t1 and the thickness t3 of hypomere of epimere;
The height h2 in stage casing is more than the height h1 and the height h3 of hypomere of epimere.
It is also preferred that the left the junction that stage casing is with epimere and with hypomere is curved excessively.
It is also preferred that the left the top in stage casing exceeds the top of epimere and hypomere, the bottom in stage casing is with epimere and the end of hypomere
Portion flushes.
It is also preferred that the left the top in stage casing exceeds the top of epimere and hypomere, the bottom in stage casing is less than epimere and hypomere
Bottom.
It is also preferred that the left t1=t3, h1=h3, t2 are 50% to the 70% of t1, and h1 is 50% to the 70% of h2.
It is also preferred that the left t1=t3, h1=h3, t2 are the 60%% of t1, and h1 is the 60% of h2.
It is also preferred that the left the length of epimere is more than the length of hypomere.
The ignition coil silicon steel sheet of the present invention, for c-type silicon steel sheet, the thickness in stage casing is thin compared with epimere and hypomere, the height in stage casing
Spending relatively epimere and hypomere is high, i.e. add boss at silicon steel sheet interlude, the ignition coil silicon steel sheet of this structure, owing to stage casing becomes
Thin uprise, add the c-type silicon steel sheet stage casing distance to secondary windings, silicon steel sheet constancy of volume and coil outer can ensured
On the premise of border is constant, and ensure, in the case of magnetic circuit saturation point is not affected, to increase reliable insulation distance, have
Effect improves the insulation endurance quality of ignition coil.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, below the accompanying drawing used required for the present invention is made simple
Introduce, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying 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 the signal fixing with primary and secondary winding of the core magnetic circuit plastic silicon steel sheet of module c-type in engine igniting coil
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 the ignition coil silicon steel sheet one example structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme in the present invention is carried out clear, complete description, it is clear that described
Embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is general
All other embodiments that logical technical staff is obtained on the premise of not making creative work, broadly fall into present invention protection
Scope.
Embodiment one
Ignition coil silicon steel sheet, as it is shown in fig. 7, comprises epimere 231, stage casing 232, hypomere 233, upper end, stage casing 232 is ibid
Section 231 one end connect, lower end, stage casing 232 with hypomere 233 one end connect, epimere 231, hypomere 233 in the same side in stage casing 232,
And it is perpendicular to stage casing 232;
Thickness (distance between the interior outside) t2 in stage casing 232 is less than the thickness (distance between interior outside) of epimere 231
Thickness (distance between the interior outside) t3 of t1 and hypomere 233;
Height (bottom is with the distance between the top) h2 in stage casing 232 is more than the height of epimere 231 (between bottom is with top
Distance) h1 and height (bottom is with the distance between the top) h3 of hypomere 233.
The ignition coil silicon steel sheet of embodiment one, for c-type silicon steel sheet, the thickness in stage casing 232 relatively epimere 231 and hypomere 233
Thin, the height in stage casing 232 relatively epimere 231 and hypomere 233 are high, i.e. add boss at silicon steel sheet interlude, the igniting of this structure
Coil silicon steel sheet, uprises owing to stage casing 232 is thinning, adds c-type silicon steel sheet stage casing 232 distance to secondary windings 21, can be
Ensure silicon steel sheet constancy of volume and coil outer border constant on the premise of, and ensure not to be affected in magnetic circuit saturation point
In the case of, increase reliable insulation distance, be effectively improved the insulation endurance quality of ignition coil.The ignition coil of embodiment one
Silicon steel sheet, reduces coil magnetic field intensity by step design thus increases insulating properties, only needs to increase in silicon steel sheet punching course
The drift adding a kind of specification can meet condition, it is simple to processing and fabricating.
Embodiment two
Ignition coil silicon steel sheet based on embodiment one, the junction with epimere 231 and with hypomere 233, the stage casing 232 is arc
Shape is excessive.
Embodiment three
Ignition coil silicon steel sheet based on embodiment one, the top in stage casing 232 exceeds epimere 231 and the top of hypomere 233
Portion, the bottom in stage casing 232 flushes with the bottom of epimere 231 and hypomere 233, and i.e. stage casing 232 is with epimere 231 and hypomere 233
Boss is formed at top.
Embodiment four
Ignition coil silicon steel sheet based on embodiment one, the top in stage casing 232 exceeds epimere 231 and the top of hypomere 233
Portion, the bottom in stage casing 232 exists with epimere 231 and hypomere 233 less than epimere 231 and the bottom of hypomere 233, i.e. 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 the 70% of t1, and h1 is h2
50% to 70%.
It is also preferred that the left t1=t3, h1=h3, t2 are the 60%% of t1, and h1 is the 60% of h2.
It is also preferred that the left the length of epimere 231 is more than the length of hypomere 233.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. done, within should be included in the scope of protection of the invention.
Claims (7)
1. an ignition coil silicon steel sheet, it is characterised in that include epimere, stage casing, hypomere;
Upper end, stage casing connects with epimere one end, and lower end, stage casing connects with hypomere one end;
Epimere, hypomere are in the same side in stage casing, and are perpendicular to stage casing;
The thickness t2 in stage casing is less than the thickness t1 and the thickness t3 of hypomere of epimere;
The height h2 in stage casing is more than the height h1 and the height h3 of hypomere of epimere.
Ignition coil silicon steel sheet the most according to claim 1, it is characterised in that
The junction with epimere and with hypomere, the stage casing is curved excessively.
Ignition coil silicon steel sheet the most according to claim 1, it is characterised in that
The top in stage casing exceeds the top of epimere and hypomere, and the bottom in stage casing flushes with the bottom of epimere and hypomere.
Ignition coil silicon steel sheet the most according to claim 1, it is characterised in that
The top in stage casing exceeds the top of epimere and hypomere, and the bottom in stage casing is less than epimere and the bottom of hypomere.
Ignition coil silicon steel sheet the most according to claim 1, it is characterised in that
T1=t3, h1=h3, t2 are 50% to the 70% of t1, and h1 is 50% to the 70% of h2.
Ignition coil silicon steel sheet the most according to claim 1, it is characterised in that
T1=t3, h1=h3, t2 are the 60%% of t1, and h1 is the 60% of h2.
Ignition coil silicon steel sheet the most according to claim 1, it is characterised in that
The length of epimere is more than the length of hypomere.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201610704320.4A CN106205968B (en) | 2016-08-22 | 2016-08-22 | Ignition coil silicon steel sheet |
Publications (2)
Publication Number | Publication Date |
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CN106205968A true CN106205968A (en) | 2016-12-07 |
CN106205968B CN106205968B (en) | 2018-10-09 |
Family
ID=57524692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610704320.4A Active CN106205968B (en) | 2016-08-22 | 2016-08-22 | Ignition coil silicon steel sheet |
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CN (1) | CN106205968B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107134353A (en) * | 2017-06-28 | 2017-09-05 | 安徽盛洲汽车部件有限公司 | Ignition coil low-voltage framework location 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 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4208706C2 (en) * | 1992-03-18 | 1996-11-28 | Beru Werk Ruprecht Gmbh Co A | Ignition coil for an ignition system of an internal combustion engine |
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
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107134353A (en) * | 2017-06-28 | 2017-09-05 | 安徽盛洲汽车部件有限公司 | Ignition coil low-voltage framework location 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 |
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 |
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CN106205968B (en) | 2018-10-09 |
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