CN103426589A - High response electromagnetic actuator for GDI system - Google Patents
High response electromagnetic actuator for GDI system Download PDFInfo
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- CN103426589A CN103426589A CN2013104067947A CN201310406794A CN103426589A CN 103426589 A CN103426589 A CN 103426589A CN 2013104067947 A CN2013104067947 A CN 2013104067947A CN 201310406794 A CN201310406794 A CN 201310406794A CN 103426589 A CN103426589 A CN 103426589A
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Abstract
The invention relates to a high response electromagnetic actuator for a GDI system. The high response electromagnetic actuator for the GDI system comprises a cover and a framework arranged inside the cover, wherein an enameled wire is evenly wound around the framework, and a magnetic flux ring is arranged at the upper end of the framework. The high response electromagnetic actuator for the GDI system is characterized in that a plastic package cover is arranged between the framework, the magnetic flux ring and the cover, the outer side face of the plastic package cover is in close fit with the inner side face of the cover, the inner side face of the plastic package cover is in close fit with the framework and the magnetic flux ring; a straight plug bush is formed at the upper end of the plastic package cover, a left contact pin cavity and a right contact pin cavity are formed in the framework, a left contact pin is arranged in the left contact pin cavity, a right contact pin is arranged in the right contact pin cavity, the left contact pin and the right contact pin stretch out of the straight plug bush, the left contact pin is connected with one end of the enameled wire, and the right contact pin is connected with the other end of the enameled wire. The high response electromagnetic actuator for the GDI system is simple, compact and reasonable in structure, small in size, low in cost, suitable for automated mass production, high in mechanical strength, not prone to damage, reliable in operation, stable in magnetic flux, high in electromagnetic response speed, and low in temperature rise; the technology of the high response electromagnetic actuator reaches advanced levels home and abroad.
Description
Technical field
The present invention relates to a kind of electromagnetic actuator, high response electromagnetic actuator for especially a kind of GDI system, belong to the automatic control technology field.
Background technology
At present, along with the development of modern science and technology, the application of solenoid is increasingly extensive, relates to each automatic control technology field.It is widely applied in the automatic control systems such as Aero-Space, automobile, naval vessel, petrochemical industry, metallurgy, jumbo.After the solenoid energising, its electromagnet can produce magnetic field, and converts electrical energy into magnetic energy, further is converted to mechanical energy.
High response electromagnetic actuator is gasoline in-cylinder direct-jet (Gasoline Direct Injection, GDI) critical component in the requisite actuator of system stable operation, guarantee that by fast opening and closing engine is to injection timing, the accurately requirement of the aspect such as distributive value and desirable fuel injection rate.Now; because environmental pollution is day by day serious; energy crisis is more and more fiery, thereby automobile uses that low to pollute energy-saving engine be government and professional person's target always, therefore reduce engine discharge, improve its fuel economy and also just become current internal combustion engine person's the task of top priority.Improving the flame process in combustion chamber and adopting novel substitute fuel or fuel additive is the common method overcome the above problems.As a kind of novel lean combustion mode, the GDI engine combines compression-ignited and advantage spark-ignition engine, realized the lean burn in the cylinder by the modes such as air motion in fuel oil inner cylinder direct injection, variable injection timing and master cylinder, engine is all had outstanding performance at fuel economy or at aspects such as reducing discharge.
And the direct fuel injection system is as the core of gasoline in-cylinder direct fuel-injection engine, the quality of its performance directly affects the performance of engine, the exploitation of GDI high-pressure pump is one of the key of gasoline direct fuel injection system exploitation and difficult point, particularly the performance of high-pressure pump electromagnetically operated valve has directly determined the realization of high-pressure pump function, and its impact on the high-pressure pump performance is most important.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, high response electromagnetic actuator for a kind of GDI system is provided, dependability and magnetic flux stability are strong, have met the requirement of the severe environment for use of automobile, have guaranteed that engine is to injection timing, distributive value and desirable fuel injection rate
According to technical scheme provided by the invention, high response electromagnetic actuator for described GDI system, comprise case and the skeleton that is arranged on case inside, even winding enamelled wire on skeleton, in the skeleton upper end, flux ring is set, it is characterized in that: between described skeleton, flux ring and case, plastic package sleeve is set, the lateral surface of plastic package sleeve and the medial surface of case closely cooperate, and the medial surface of plastic package sleeve and skeleton and flux ring closely cooperate; The upper end of described plastic package sleeve forms the straight cutting cover, left pin cavity and right pin cavity are set on described skeleton, left contact pin and right contact pin are set in left pin cavity and right pin cavity, left contact pin and right contact pin are stretched out by the straight cutting cover, left contact pin is connected with an end of enamelled wire, and right contact pin is connected with the other end of enamelled wire.
Described flux ring is positioned at the stage casing of plastic package sleeve inner chamber.
Described skeleton outer circumference surface is provided with the high accuracy helical flute, and the enamelled wire winding is on this high accuracy helical flute.
Compared with the prior art the present invention has the following advantages: the present invention is simple, compact and reasonable for structure; Volume is little, cost is low, be applicable to automatic batch production; Mechanical strength is high, not fragile; Reliable operation, magnetic flux is stable; Electromagnetic response speed is fast, low-temperature-rise, and technology has reached domestic and international advanced level.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the figure that partly cuts open of the present invention.
The left view that Fig. 3 is Fig. 1.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in FIG. 1 to 3: described GDI system comprises case 1, enamelled wire 2, skeleton 3, flux ring 4, plastic package sleeve 5, left contact pin 6, right contact pin 7, left pin cavity 8, right pin cavity 9, high accuracy helical flute 10, straight cutting cover 11 etc. with high response electromagnetic actuator.
As shown in Figure 1 and Figure 2, the present invention includes case 1 and the skeleton 3 that is arranged on case 1 inside, even winding enamelled wire 2 on skeleton 3, in skeleton 3 upper ends, flux ring 4 is set, between skeleton 3, flux ring 4 and case 1, plastic package sleeve 5 is set, the medial surface of the lateral surface of plastic package sleeve 5 and case 1 closely cooperates, the medial surface of plastic package sleeve 5 and skeleton 3 and flux ring 4 closely cooperate, thereby can under the powerful vibrations of vehicle, keep working reliably, fully meet the requirement of GDI system high pressure pump to the various parameters of solenoid; Described case 1 surface adopts galvanizing technique to process; Described flux ring 4 is positioned at the stage casing of plastic package sleeve 5 inner chambers, can effectively to flux ring 4, play a protective role;
As shown in Figure 3, the upper end of described plastic package sleeve 5 forms straight cutting cover 11, and straight cutting cover 11 can carry out direct insertion the connection with GDI high pressure pump system circuit board; Left pin cavity 8 and right pin cavity 9 are set on described skeleton 3, left contact pin 6 and right contact pin 7 are set in left pin cavity 8 and right pin cavity 9, left contact pin 6 and right contact pin 7 are stretched out by straight cutting cover 11; One end of described enamelled wire 2 adopts the electric resistance welding mode to be welded on left contact pin 6, and the other end of enamelled wire 2 adopts the electric resistance welding mode to be welded on right contact pin 7; Described enamelled wire 2 adopts 200 grades of polyamidoimide materials to make;
As shown in Figure 2, described skeleton 3 outer circumference surfaces are provided with high accuracy helical flute 10, and enamelled wire 2 windings are on this high accuracy helical flute 10, and this high accuracy nut groove 10 has guaranteed precision and the consistency of solenoid inductance and resistance value.
In use, electromagnetic pads row device of the present invention carries out direct insertion the connection by left contact pin 6 and right contact pin 7 with GDI high pressure pump system circuit board; Closely fixing by plastic package sleeve 5 between case 1 and flux ring 4, solved the shock problem of 3 pairs of GDI high-pressure pump circuit boards of skeleton, the factors such as buffering extraneous vibration cause the impact to the high-pressure pump circuit board, can meet the magnetic circuit requirement of solenoid, make solenoid can meet the environmental test requirement of automobile product; Dependability of the present invention and magnetic flux stability are high, can meet the requirement of the severe environment for use of automobile.
Claims (3)
1. a GDI system responds electromagnetic actuator with height, comprise case (1) and be arranged on the inner skeleton (3) of case (1), the upper even winding enamelled wire (2) of skeleton (3), in skeleton (3) upper end, flux ring (4) is set, it is characterized in that: between described skeleton (3), flux ring (4) and case (1), plastic package sleeve (5) is set, the medial surface of the lateral surface of plastic package sleeve (5) and case (1) closely cooperates, and the medial surface of plastic package sleeve (5) and skeleton (3) and flux ring (4) closely cooperate; The upper end of described plastic package sleeve (5) forms straight cutting cover (11), left pin cavity (8) and right pin cavity (9) are set on described skeleton (3), left contact pin (6) and right contact pin (7) are set in left pin cavity (8) and right pin cavity (9), left contact pin (6) and right contact pin (7) are stretched out by straight cutting cover (11), left contact pin (6) is connected with an end of enamelled wire (2), and right contact pin (7) is connected with the other end of enamelled wire (2).
2. GDI system as claimed in claim 1 responds electromagnetic actuator with height, and it is characterized in that: described flux ring (4) is positioned at the stage casing of plastic package sleeve (5) inner chamber.
3. GDI system as claimed in claim 1 responds electromagnetic actuator with height, and it is characterized in that: described skeleton (3) outer circumference surface is provided with high accuracy helical flute (10), and enamelled wire (2) winding is on this high accuracy helical flute (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104067947A CN103426589A (en) | 2013-09-09 | 2013-09-09 | High response electromagnetic actuator for GDI system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104067947A CN103426589A (en) | 2013-09-09 | 2013-09-09 | High response electromagnetic actuator for GDI system |
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| Publication Number | Publication Date |
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| CN103426589A true CN103426589A (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013104067947A Pending CN103426589A (en) | 2013-09-09 | 2013-09-09 | High response electromagnetic actuator for GDI system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3188979B2 (en) * | 1991-09-17 | 2001-07-16 | 株式会社ケーヒン | Fuel injection valve |
| US20050258266A1 (en) * | 2004-05-07 | 2005-11-24 | Mimmo Elia | Multiple capillary fuel injector for an internal combustion engine |
| CN102003317A (en) * | 2010-11-16 | 2011-04-06 | 亚新科南岳（衡阳）有限公司 | Gasoline direct spray oil sprayer |
| CN102252124A (en) * | 2010-05-21 | 2011-11-23 | 北京亚新科天纬油泵油嘴股份有限公司 | Electromagnetic valve applied to common rail fuel injector |
| CN102751068A (en) * | 2012-07-26 | 2012-10-24 | 无锡晶晟汽车电子有限公司 | Automobile ESP (Electronic Stability Program) electromagnetic coil |
| CN203456218U (en) * | 2013-09-09 | 2014-02-26 | 无锡晶晟汽车电子有限公司 | High-response electromagnetic actuator for GDI |
-
2013
- 2013-09-09 CN CN2013104067947A patent/CN103426589A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3188979B2 (en) * | 1991-09-17 | 2001-07-16 | 株式会社ケーヒン | Fuel injection valve |
| US20050258266A1 (en) * | 2004-05-07 | 2005-11-24 | Mimmo Elia | Multiple capillary fuel injector for an internal combustion engine |
| CN102252124A (en) * | 2010-05-21 | 2011-11-23 | 北京亚新科天纬油泵油嘴股份有限公司 | Electromagnetic valve applied to common rail fuel injector |
| CN102003317A (en) * | 2010-11-16 | 2011-04-06 | 亚新科南岳（衡阳）有限公司 | Gasoline direct spray oil sprayer |
| CN102751068A (en) * | 2012-07-26 | 2012-10-24 | 无锡晶晟汽车电子有限公司 | Automobile ESP (Electronic Stability Program) electromagnetic coil |
| CN203456218U (en) * | 2013-09-09 | 2014-02-26 | 无锡晶晟汽车电子有限公司 | High-response electromagnetic actuator for GDI |
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Application publication date: 20131204 |