CN103474192A - High-pressure pump electromagnetic coil for gasoline direct injection (GDI) system - Google Patents
High-pressure pump electromagnetic coil for gasoline direct injection (GDI) system Download PDFInfo
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- CN103474192A CN103474192A CN2013104071209A CN201310407120A CN103474192A CN 103474192 A CN103474192 A CN 103474192A CN 2013104071209 A CN2013104071209 A CN 2013104071209A CN 201310407120 A CN201310407120 A CN 201310407120A CN 103474192 A CN103474192 A CN 103474192A
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- plastic package
- pressure pump
- package sleeve
- skeleton
- insertion pin
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Abstract
The invention relates to a high-pressure pump electromagnetic coil for a gasoline direct injection (GDI) system. The high-pressure pump electromagnetic coil comprises a casing and a framework arranged in the casing, the framework is evenly wrapped with an enameled wire, and a magnetic flux ring is arranged at the top end of the framework. The high-pressure pump electromagnetic coil is characterized in that a plastic package sleeve is arranged among the framework, the magnetic flux ring and the casing, the outer side of the plastic package sleeve is in close fit with the inner side of the casing, and the inner side of the plastic package sleeve is in close fit with the framework and the magnetic flux ring, a direct insertion sleeve is formed at the upper end of the plastic package sleeve, a left insertion pin cavity and a right insertion pin cavity are arranged on the framework, a left insertion pin and a right insertion pin are arranged in the left insertion pin cavity and the right insertion pin cavity and extend out of the direct insertion sleeve, the left insertion pin is connected with one end of the enameled wire, the right insertion pin is connected with the other end of the enameled wire, and the magnetic flux ring is located at the position of an opening at the upper end of the plastic package sleeve. The high-pressure pump electromagnetic coil is simple and compact in structure, small in size, low in cost, suitable for automated mass production and high in mechanical strength, does not damage easily, works reliably and is stable in magnetic flux, quick in electromagnetic response speed and low in temperature rise.
Description
Technical field
The present invention relates to a kind of solenoid, especially a kind of automobile engine GDI system high-pressure pump solenoid, 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.
Electromagnetic force coil is the critical component in gasoline in-cylinder direct-jet (Gasoline Direct Injection, GDI) the requisite actuator of system stable operation.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, a kind of GDI system high-pressure pump solenoid is provided, dependability and magnetic flux stability are strong, have met the severe environment for use requirement of automobile, and have reached the functions such as fuel-economizing and environmental protection.
According to technical scheme provided by the invention, described GDI system high-pressure pump solenoid, 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 upper end open place of plastic package sleeve.
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, and cost is low, is applicable to automatic batch production; Mechanical strength is high, not fragile; Reliable operation, magnetic flux is stable; The electromagnetic response speed ratio is very 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 schematic diagram that partly cuts open of the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Fig. 1～Fig. 2: as described in the GDI system comprise case 1, enamelled wire 2, skeleton 3, flux ring 4, plastic packaging 5, right contact pin 6, left contact pin 7, left pin cavity 8, right pin cavity 9, high accuracy helical flute 10, straight cutting cover 11 etc. with the high-pressure pump solenoid.
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 plastic package sleeve 5 upper port places, can easily flux ring 4 be taken out;
As shown in Figure 2, the upper end of described plastic package sleeve 5 connects 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, high-pressure pump solenoid 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 (2)
1. a GDI system high-pressure pump solenoid, 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); Described flux ring (4) is positioned at the upper end open place of plastic package sleeve (5).
2. GDI system high-pressure pump solenoid as claimed in claim 1, 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 |
|---|---|---|---|
| CN201310407120.9A CN103474192B (en) | 2013-09-09 | 2013-09-09 | GDI system high-pressure pump solenoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407120.9A CN103474192B (en) | 2013-09-09 | 2013-09-09 | GDI system high-pressure pump solenoid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103474192A true CN103474192A (en) | 2013-12-25 |
| CN103474192B CN103474192B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310407120.9A Active CN103474192B (en) | 2013-09-09 | 2013-09-09 | GDI system high-pressure pump solenoid |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020145125A1 (en) * | 2001-04-06 | 2002-10-10 | Shinichiro Tomoda | Solenoid valve |
| JP2010135430A (en) * | 2008-12-02 | 2010-06-17 | Sumida Corporation | Solenoid coil |
| CN102003317A (en) * | 2010-11-16 | 2011-04-06 | 亚新科南岳（衡阳）有限公司 | Gasoline direct spray oil sprayer |
| CN202220661U (en) * | 2011-08-11 | 2012-05-16 | 浙江博力机电制造有限公司 | Socket connector structure of automobile intake exhaust brake solenoid valve |
| 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 |
| CN203491034U (en) * | 2013-09-09 | 2014-03-19 | 无锡晶晟汽车电子有限公司 | High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems |
-
2013
- 2013-09-09 CN CN201310407120.9A patent/CN103474192B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020145125A1 (en) * | 2001-04-06 | 2002-10-10 | Shinichiro Tomoda | Solenoid valve |
| JP2010135430A (en) * | 2008-12-02 | 2010-06-17 | Sumida Corporation | Solenoid coil |
| CN102003317A (en) * | 2010-11-16 | 2011-04-06 | 亚新科南岳（衡阳）有限公司 | Gasoline direct spray oil sprayer |
| CN202220661U (en) * | 2011-08-11 | 2012-05-16 | 浙江博力机电制造有限公司 | Socket connector structure of automobile intake exhaust brake solenoid valve |
| 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 |
| CN203491034U (en) * | 2013-09-09 | 2014-03-19 | 无锡晶晟汽车电子有限公司 | High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems |
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| Publication number | Publication date |
|---|---|
| CN103474192B (en) | 2016-08-24 |
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Address after: 214028 No. nine Hanjiang Road, New District, Jiangsu, Wuxi Patentee after: Wuxi Jing Sheng Polytron Technologies Inc Address before: 214028 No. nine Hanjiang Road, New District, Jiangsu, Wuxi Patentee before: Wuxi Jingsheng Automotive Electronics Co., Ltd. |