CN103887712A - Electromagnetic shielding material and spark plug cap - Google Patents
Electromagnetic shielding material and spark plug cap Download PDFInfo
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- CN103887712A CN103887712A CN201310431740.6A CN201310431740A CN103887712A CN 103887712 A CN103887712 A CN 103887712A CN 201310431740 A CN201310431740 A CN 201310431740A CN 103887712 A CN103887712 A CN 103887712A
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- spark plug
- plug cap
- shielding material
- magnetic conduction
- electromagnetic shielding
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Abstract
The invention provides an electromagnetic shielding material and a spark plug cap. The shielding material is at least made of a framework material and a magnetic-conductive and non-electric conductive material which are mixed together. The spark plug cap comprises a spark plug cap shell and a connecting unit which is fixedly arranged in the spark plug cap shell and used for connecting a high-voltage coil and a spark plug. The spark plug cap shell is made of the aforementioned electromagnetic shielding material. The structure and the manufacturing technology of the spark plug cap can be effectively simplified, production efficiency is substantially enhanced, and the finished spark plug cap does not generate electromagnetic vulnerability so that great electromagnetic shielding effect and insulation effect can be realized, and influence on a petrol engine power system and the surrounding environment can be avoided. Besides, the spark plug cap is high in intensity and high-voltage resistant so that EMC test requirements are met.
Description
Technical field
The present invention relates to a kind of shielding material and petrolic igniting accessory, relate in particular to a kind of electromagnetic shielding material and spark plug cap.
Background technology
Spark plug cap is the very important parts of gasoline engine ignition system, and the stable operation of gasoline engine ignition system is played to vital effect, and the electromagnetic radiation that ignition system is produced has suitable shielding action.Existing spark plug cap structure is generally the insulation shell that insulating material (such as phenolic aldehyde, PPS, PBT etc.) is made, in insulation shell, be provided with the linkage unit for connecting petrol engine high-tension coil and spark plug, and the screen of the electromagnetic radiation producing in insulation shell outer wrapping one deck shielding high-tension ignition.This spark plug cap, due to complex structure, affect production efficiency, and due in the process of parcel screen, easily occur that screen distortion and parcel sternly do not wait the electromagnetism leak occurring, and this leak is difficult to after spark plug cap finished product detect, especially in batch production, performance is obvious, cause the electromagnetic radiation leakage that high-tension ignition produces to exert an influence to petrol engine using electricity system and environment, and affect personal safety.
Therefore, need to propose a kind of spark plug cap, not only can effectively simplify structure and the production technology of spark plug cap, enhance productivity, and can effectively prevent the generation of electromagnetism leak, good shield effectiveness is played in the electromagnetic radiation that high-tension ignition is produced.
Summary of the invention
In view of this, a kind of spark plug cap provided by the invention, not only can effectively simplify structure and the production technology of spark plug cap, greatly enhances productivity, and can effectively prevent the generation of electromagnetism leak, good shield effectiveness is played in the electromagnetic radiation that high-tension ignition is produced.
A kind of electromagnetic shielding material provided by the invention, described shielding material at least comprises that framework material and magnetic conduction electrically non-conductive material are mixed;
Further, described framework material is high temperature resistant and high voltage bearing insulating material;
Further, the mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 60%-85%, magnetic conduction electrically non-conductive material 15%-40%;
Further, the mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 70%-80%, magnetic conduction electrically non-conductive material 20%-30%;
Further, the mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 75%, magnetic conduction electrically non-conductive material 25%.
A kind of spark plug cap provided by the invention, comprise spark plug cap housing and be fixedly installed in spark plug cap housing for the high-tension coil of connecting engine and the linkage unit of spark plug, described spark plug cap housing is made up of above-mentioned electromagnetic shielding material;
Further, described linkage unit comprises the high-voltage line connector that is fixedly connected sequentially, current-limiting resistance, elastic connecting component and the conductive cap for being connected with spark plug;
Further, described elastic connecting component comprises the power spring I and the power spring II that are fixedly connected with;
Further, described conductive cap is provided with the jump ring for fixing spark plug;
Further, described high-voltage line connector is attachment screw.
Beneficial effect of the present invention: the spark plug cap of being made by electromagnetic shielding material provided by the invention, not only can effectively simplify structure and the manufacturing process of spark plug cap, greatly enhance productivity, and the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and surrounding environment is exerted an influence; And spark plug cap intensity is high, high pressure resistant, meet EMC test request.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is spark plug cap structural representation of the present invention.
Embodiment
Fig. 1 is spark plug cap structural representation of the present invention, as shown in the figure.
A kind of electromagnetic shielding material provided by the invention, described shielding material at least comprises that framework material and magnetic conduction electrically non-conductive material are mixed; Described framework material is high temperature resistant and high voltage bearing insulating material; The mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 60%-85%, magnetic conduction electrically non-conductive material 15%-40%, described insulating material all adopts phenolic aldehyde in the present embodiment, a kind of spark plug cap provided by the invention, comprise spark plug cap housing 1 be fixedly installed in spark plug cap housing for being connected the linkage unit of petrolic high-tension coil and spark plug, described spark plug cap housing 1 is made up of above-mentioned electromagnetic shielding material; The spark plug cap of being made by electromagnetic shielding material provided by the invention, not only can effectively simplify structure and the manufacturing process of spark plug cap, greatly enhance productivity, and the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and surrounding environment is exerted an influence; And spark plug cap intensity is high, high pressure resistant, meet EMC test request.
In the present embodiment, described linkage unit comprises the high-voltage line connector 2 that is fixedly connected sequentially, current-limiting resistance 3, elastic connecting component and the conductive cap 6 for being connected with spark plug, described linkage unit can stably be connected high-tension coil with spark plug, the ignition performance of guarantee point ignition system, certainly,, under some application scenario, the electric current itself producing during due to igniting is also little, therefore, also can not adopt current-limiting resistance 3.
In the present embodiment, described elastic connecting component comprises the power spring I 4 and the power spring II 5 that are fixedly connected with, by the anti-seismic performance of power spring, can guarantee the structural stability of spark plug cap, avoid declining because vibrations cause the loosening ignition performance that makes in inside of linkage unit in petrol engine is advanced.
In the present embodiment, described conductive cap 6 is provided with the jump ring 7 for fixing spark plug; Described high-voltage line connector 2 is attachment screw, the stability of guarantee point ignition system.
In following examples, composition takes according to mass ratio × 1Kg at the trial.
Embodiment mono-
The mass ratio of the insulating material of described electromagnetic shielding material and magnetic conduction electrically non-conductive material is: insulating material 75%, magnetic conduction electrically non-conductive material 25%, described magnetic conduction electrically non-conductive material adopts high magnetic conduction Ferrite Material or existing composite material, finished product spark plug cap is in EMC test, in same distance, spark plug cap is tested, and four radiation frequency scopes that are respectively 30-80MHz, 90-150MHz, 400-500MHz and 750-850MHz take radiation frequency are illustrated as example, and test result is as follows:
In the present embodiment, the value that above-mentioned middle test obtains is the mean value of obtaining after repeatedly testing, by above-mentioned test result, spark plug cap not only can meet EMC test request, and the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and environment to be affected, effectively simplify structure and the manufacturing process of spark plug, greatly enhance productivity, and spark plug cap intensity is high, high pressure resistant.
Embodiment bis-
The mass ratio of the insulating material of described electromagnetic shielding material and magnetic conduction electrically non-conductive material is: insulating material 80%, magnetic conduction electrically non-conductive material 20%, described magnetic conduction electrically non-conductive material adopts high magnetic conduction Ferrite Material or existing composite material, finished product spark plug cap is in EMC test, in same distance, spark plug cap is tested, and four radiation frequency scopes that are respectively 30-80MHz, 90-150MHz, 400-500MHz and 750-850MHz take radiation frequency are illustrated as example, and test result is as follows:
In the present embodiment, the value that above-mentioned middle test obtains is the mean value of obtaining after repeatedly testing, by above-mentioned test result, spark plug cap not only can meet EMC test request, and the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and environment to be affected, effectively simplify structure and the manufacturing process of spark plug, greatly enhance productivity, and spark plug cap intensity is high, high pressure resistant.
Embodiment tri-
The mass ratio of the insulating material of described electromagnetic shielding material and magnetic conduction electrically non-conductive material is: insulating material 70%, magnetic conduction electrically non-conductive material 30%, described magnetic conduction electrically non-conductive material adopts high magnetic conduction Ferrite Material or existing composite material, finished product spark plug cap is in EMC test, in same distance, spark plug cap is tested, and four radiation frequency scopes that are respectively 30-80MHz, 90-150MHz, 400-500MHz and 750-850MHz take radiation frequency are illustrated as example, and test result is as follows:
In the present embodiment, the value that above-mentioned middle test obtains is the mean value of obtaining after repeatedly testing, by above-mentioned test result, spark plug cap not only can meet EMC test request, and the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and environment to be affected, effectively simplify structure and the manufacturing process of spark plug, greatly enhance productivity, and spark plug cap intensity is high, high pressure resistant.
Embodiment tetra-
The mass ratio of the insulating material of described electromagnetic shielding material and magnetic conduction electrically non-conductive material is: insulating material 85%, magnetic conduction electrically non-conductive material 15%, described magnetic conduction electrically non-conductive material adopts high magnetic conduction Ferrite Material or existing composite material, finished product spark plug cap is in EMC test, in same distance, spark plug cap is tested, and four radiation frequency scopes that are respectively 30-80MHz, 90-150MHz, 400-500MHz and 750-850MHz take radiation frequency are illustrated as example, and test result is as follows:
In the present embodiment, the value that above-mentioned middle test obtains is the mean value of obtaining after repeatedly testing, by above-mentioned test result, spark plug cap not only can meet EMC test request, and the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and environment to be affected, effectively simplify structure and the manufacturing process of spark plug, greatly enhance productivity, and spark plug cap intensity is high, high pressure resistant.
Embodiment five
The mass ratio of the insulating material of described electromagnetic shielding material and magnetic conduction electrically non-conductive material is: insulating material 60%, magnetic conduction electrically non-conductive material 40%, described magnetic conduction electrically non-conductive material adopts high magnetic conduction Ferrite Material or existing composite material, finished product spark plug cap is in EMC test, in same distance, spark plug cap is tested, and four radiation frequency scopes that are respectively 30-80MHz, 90-150MHz, 400-500MHz and 750-850MHz take radiation frequency are illustrated as example, and test result is as follows:
In the present embodiment, the value that above-mentioned middle test obtains is the mean value of obtaining after repeatedly testing, by above-mentioned test result, spark plug cap not only can meet EMC test request, the spark plug cap of finished product can not produce electromagnetism leak, can play good effectiveness and insulation effect, avoid petrol engine using electricity system and environment to be affected, effectively simplify structure and the manufacturing process of spark plug, greatly enhance productivity, and spark plug cap intensity is high, high pressure resistant, for the technique effect in above embodiment, the shield effectiveness of the spark plug cap housing that the proportioning of embodiment mono-is made is better, obviously be better than other embodiment, for the best, therefore, the electromagnetic shielding material of being made up of the proportioning of embodiment mono-is obviously better than other embodiment, for the best.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. an electromagnetic shielding material, is characterized in that: described shielding material at least comprises that framework material and magnetic conduction electrically non-conductive material are mixed.
2. electromagnetic shielding material according to claim 1, is characterized in that: described framework material is high temperature resistant and high voltage bearing insulating material.
3. electromagnetic shielding material according to claim 2, is characterized in that: the mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 60%-85%, magnetic conduction electrically non-conductive material 15%-40%.
4. electromagnetic shielding material according to claim 3, is characterized in that: the mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 70%-80%, magnetic conduction electrically non-conductive material 20%-30%.
5. electromagnetic shielding material according to claim 4, is characterized in that: the mass ratio of the insulating material of described shielding material and magnetic conduction electrically non-conductive material is: insulating material 75%, magnetic conduction electrically non-conductive material 25%.
6. a spark plug cap, comprise spark plug cap housing and be fixedly installed in spark plug cap housing for the high-tension coil of connecting engine and the linkage unit of spark plug, it is characterized in that: described spark plug cap housing is made up of the electromagnetic shielding material described in the arbitrary claim of claim 1 to 5.
7. spark plug cap according to claim 6, is characterized in that: described linkage unit comprises the high-voltage line connector that is fixedly connected sequentially, current-limiting resistance, elastic connecting component and the conductive cap for being connected with spark plug.
8. spark plug cap according to claim 7, is characterized in that: described elastic connecting component comprises the power spring I and the power spring II that are fixedly connected with.
9. spark plug cap according to claim 8, is characterized in that: described conductive cap is provided with the jump ring for fixing spark plug.
10. spark plug cap according to claim 9, is characterized in that: described high-voltage line connector is attachment screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431740.6A CN103887712B (en) | 2013-09-22 | 2013-09-22 | electromagnetic shielding material and spark plug cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431740.6A CN103887712B (en) | 2013-09-22 | 2013-09-22 | electromagnetic shielding material and spark plug cap |
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| Publication Number | Publication Date |
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| CN103887712A true CN103887712A (en) | 2014-06-25 |
| CN103887712B CN103887712B (en) | 2016-04-13 |
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| CN201310431740.6A Active CN103887712B (en) | 2013-09-22 | 2013-09-22 | electromagnetic shielding material and spark plug cap |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158089A (en) * | 2014-08-12 | 2014-11-19 | 何淑琼 | Anti-radiation spark plug used for mower |
| CN104242067A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Method for assembling general engine spark plug cap |
| CN104242063A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Winding resistance type universal engine spark plug cap |
| CN104242061A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Spark plug cap of motorcycle |
| CN106289445A (en) * | 2015-06-03 | 2017-01-04 | 江阴市全盛自动化仪表有限公司 | A kind of current transducer for measuring oil level |
| CN112610077A (en) * | 2019-09-18 | 2021-04-06 | 南京南瑞继保电气有限公司 | Wireless radio frequency identification mechanical lock |
| CN114927941A (en) * | 2022-05-23 | 2022-08-19 | 刘铁城 | High-voltage cap of automobile spark plug |
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| US20040216723A1 (en) * | 2003-02-03 | 2004-11-04 | Markus Weimert | Ignition coil having a connecting device for contacting a spark plug |
| CN101692385A (en) * | 2009-09-01 | 2010-04-07 | 吴卫生 | Inductor and manufacturing method thereof |
| CN201518387U (en) * | 2009-09-01 | 2010-06-30 | 常州士林电机有限公司 | Spark plug cover |
| CN102326307A (en) * | 2009-02-23 | 2012-01-18 | 日本特殊陶业株式会社 | Plug cap and method for producing plug cap |
| CN102634177A (en) * | 2012-05-07 | 2012-08-15 | 杭州千石科技有限公司 | Composite electromagnetic shielding material for cables |
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2013
- 2013-09-22 CN CN201310431740.6A patent/CN103887712B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040216723A1 (en) * | 2003-02-03 | 2004-11-04 | Markus Weimert | Ignition coil having a connecting device for contacting a spark plug |
| CN102326307A (en) * | 2009-02-23 | 2012-01-18 | 日本特殊陶业株式会社 | Plug cap and method for producing plug cap |
| CN101692385A (en) * | 2009-09-01 | 2010-04-07 | 吴卫生 | Inductor and manufacturing method thereof |
| CN201518387U (en) * | 2009-09-01 | 2010-06-30 | 常州士林电机有限公司 | Spark plug cover |
| CN102634177A (en) * | 2012-05-07 | 2012-08-15 | 杭州千石科技有限公司 | Composite electromagnetic shielding material for cables |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158089A (en) * | 2014-08-12 | 2014-11-19 | 何淑琼 | Anti-radiation spark plug used for mower |
| CN104242067A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Method for assembling general engine spark plug cap |
| CN104242063A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Winding resistance type universal engine spark plug cap |
| CN104242061A (en) * | 2014-08-22 | 2014-12-24 | 重庆从仁机电有限公司 | Spark plug cap of motorcycle |
| CN106289445A (en) * | 2015-06-03 | 2017-01-04 | 江阴市全盛自动化仪表有限公司 | A kind of current transducer for measuring oil level |
| CN112610077A (en) * | 2019-09-18 | 2021-04-06 | 南京南瑞继保电气有限公司 | Wireless radio frequency identification mechanical lock |
| CN114927941A (en) * | 2022-05-23 | 2022-08-19 | 刘铁城 | High-voltage cap of automobile spark plug |
| CN114927941B (en) * | 2022-05-23 | 2024-01-23 | 刘铁城 | High-voltage cap of automobile spark plug |
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| Publication number | Publication date |
|---|---|
| CN103887712B (en) | 2016-04-13 |
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