CN203491034U - High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems - Google Patents
High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems Download PDFInfo
- Publication number
- CN203491034U CN203491034U CN201320558529.6U CN201320558529U CN203491034U CN 203491034 U CN203491034 U CN 203491034U CN 201320558529 U CN201320558529 U CN 201320558529U CN 203491034 U CN203491034 U CN 203491034U
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- contact pin
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- plastic package
- pressure pump
- gdi
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Abstract
The utility model relates to a high pressure pump electromagnetic coil for GDI (gasoline direct injection) systems. The high pressure pump electromagnetic coil for the GDI systems comprises a housing and a skeleton arranged inside the housing, wherein a varnished wire is evenly wound around the skeleton, and a magnetic flow ring is arranged at the upper end of the skeleton. The high pressure pump electromagnetic coil for the GDI systems is characterized in that a plastic package sleeve is arranged among the skeleton, the magnetic flow ring and the housing, the outer side face of the plastic package sleeve is in close fit with the inner side face of the housing, the inner side face of the plastic package sleeve is in close fit with the skeleton and the magnetic flow ring, the upper end of the plastic package sleeve forms a straight inserting sleeve, a left contact pin cavity and a right contact pin cavity are arranged on the skeleton, a left contact pin and a right contact pin are respectively arranged in the left contact pin cavity and the right contact pin cavity, and stretch out of the straight inserting sleeve, the left contact pin is connected with one end of the varnished wire, the right contact pin is connected with the other end of the varnished wire, and the magnetic flow ring is located on an opening at the upper end of the plastic package sleeve. The high pressure pump electromagnetic coil for the GDI systems is simple and compact in structure, small in size, low in cost, applicable to automatic volume production, high in mechanical strength, difficult to damage, reliable in working, stable in magnetic flow, fast in electromagnetic response speed, and low in temperature rise.
Description
Technical field
The utility model relates to a kind of solenoid, and especially a kind of automobile engine GDI system high-pressure pump solenoid, belongs to 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 solenoid energising, its electromagnet can produce magnetic field, and converts electrical energy into magnetic energy, is further 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, thus automobile to use low pollution 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 overcoming the above problems.As a kind of novel lean combustion mode, GDI engine combines compression-ignited and advantage spark-ignition engine, by the modes such as air motion in fuel oil inner cylinder direct injection, variable injection timing and master cylinder, realized the lean burn in cylinder, engine is all had outstanding performance at fuel economy or at aspects such as reducing discharge.
And 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 high-pressure pump performance is most important.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of GDI system high-pressure pump solenoid is provided, and dependability and magnetic flux stability are strong, has met the severe environment for use requirement of automobile, and has reached the functions such as fuel-economizing and environmental protection.
The technical scheme providing according to the utility model, 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 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 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 straight cutting cover, left contact pin is connected with one 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 high accuracy helical flute, and enamelled wire winding is on this high accuracy helical flute.
Compared with the prior art the utility model has the following advantages: the utility model 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; Electromagnetic response speed ratio is very fast, low-temperature-rise, and technology has reached domestic and international advanced level.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram that partly cuts open of the present utility model.
Embodiment
Below in conjunction with concrete accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1～Fig. 2: as described in GDI system with high-pressure pump solenoid, 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.
As shown in Figure 1 and Figure 2, the utility model comprises case 1 and is arranged on the skeleton 3 of 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 3, the upper end of described plastic package sleeve 5 connects straight cutting cover 11, and straight cutting cover 11 can carry out direct insertion 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 electric resistance welding mode to be welded on left contact pin 6, and the other end of enamelled wire 2 adopts 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 described in the utility model carries out direct insertion 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 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 utility model 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 one 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, 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 |
|---|---|---|---|
| CN201320558529.6U CN203491034U (en) | 2013-09-09 | 2013-09-09 | High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558529.6U CN203491034U (en) | 2013-09-09 | 2013-09-09 | High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491034U true CN203491034U (en) | 2014-03-19 |
Family
ID=50261846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320558529.6U Withdrawn - After Issue CN203491034U (en) | 2013-09-09 | 2013-09-09 | High pressure pump electromagnetic coil for GDI (gasoline direct injection) systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474192A (en) * | 2013-09-09 | 2013-12-25 | 无锡晶晟汽车电子有限公司 | High-pressure pump electromagnetic coil for gasoline direct injection (GDI) system |
-
2013
- 2013-09-09 CN CN201320558529.6U patent/CN203491034U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474192A (en) * | 2013-09-09 | 2013-12-25 | 无锡晶晟汽车电子有限公司 | High-pressure pump electromagnetic coil for gasoline direct injection (GDI) system |
| CN103474192B (en) * | 2013-09-09 | 2016-08-24 | 无锡晶晟汽车电子有限公司 | GDI system high-pressure pump solenoid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20160824 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |