CN202549532U - Electromagnet rapidly responding to electric control fuel oil injection - Google Patents
Electromagnet rapidly responding to electric control fuel oil injection Download PDFInfo
- Publication number
- CN202549532U CN202549532U CN2011205690804U CN201120569080U CN202549532U CN 202549532 U CN202549532 U CN 202549532U CN 2011205690804 U CN2011205690804 U CN 2011205690804U CN 201120569080 U CN201120569080 U CN 201120569080U CN 202549532 U CN202549532 U CN 202549532U
- Authority
- CN
- China
- Prior art keywords
- iron core
- armature
- magnetic flux
- inner housing
- electromagnet
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses an electromagnet rapidly responding to electric control fuel oil injection, aims to provide the electromagnet capable of eliminating '' viscosity '' in armature releasing, thereby enabling the electromagnet to have a faster releasing speed. The electromagnet rapidly responding to the electric control fuel oil injection is realized through the following technical scheme: a magnet-separate ring (5) is arranged at a position with a distance L from a gap[be]1 end face, and the gap is formed between an iron core (1) lower terrace end face and an inner housing (7) waist, generated total magnetic flux [phi] is divided into two loops, one loop passes through the iron core (1), a middle housing (12), an outer housing (6), a gap[be]2 formed between an internal diameter of the inner housing (7) and an external diameter of an armature (4), the armature (4), and the gap[be]1 formed between an upper surface of the armature (4) and the lower end face of the iron core (1) to form a first loop magnetic flux [phi] 2; and the other loop passes the iron core (1), the middle housing (12), the outer housing (6), the inner housing (7) bypassing the armature (4), and directly passes an inner cylindrical surface of the inner housing (7) and an outer cylindrical surface of the iron core (1) back to the iron core (1) to from a second loop magnetic flux [phi]1.
Description
Technical field
The related a kind of automatically controlled fuel oil injection electromagnet that is mainly used in of the utility model is in particular for the electromagnet in the gasoline engine inner cylinder direct injection technical field.
Background technology
The effect of gasoline engine inner cylinder direct injection is to accomplish opening and cutting off of fuel oil oil circuit through the adhesive of quick response electromagnet with discharging.Accelerating electromagnet armature adhesive and rate of release is the key that automatically controlled fuel oil sprays.Electromagnet structure in the prior art is an end-surface type; Because the upper surface of magnetism-isolating loop 5 flushes with the lower surface of iron core 1, so the last plane of iron core 1, middle casing 12, shell body 6, inner housing 7, armature 4 and said armature 4 and the formation loop, lower surface of iron core 1 are passed in the magnetic field
that electromagnet coil 2 energising backs are produced.There is not one road magnetic flux
branch road.Because prior art is not enough for the dispose procedure attention that electromagnet is accelerated in the outage back, cause the remanent magnetism of electromagnet in " 0 " air gap lower electromagnet iron core to make the release of armature " viscous " phenomenon occur, electromagnet response closing speed is affected.
Summary of the invention
The purpose of the utility model is the weak point to prior art, and a kind of " viscous " phenomenon when helping eliminating armature and discharging is provided, and makes the rate of release of electromagnet respond electromagnet faster fast.
The above-mentioned purpose of the utility model can reach through following measure; The electromagnet that the automatically controlled fuel oil of a kind of quick response sprays; Comprise; Be called as iron core 1, coil 2, coil rack 3, armature 4, magnetism-isolating loop 5, shell body 6, inner housing 7, valve rod 8, valve seat 9, armature annex 10, valve rod spring 11 and middle casing 12; It is characterized in that; Said magnetism-isolating loop 5 is arranged between iron core 1 below step end face and inner housing 7 open ends; And be the position of
at a distance of above-mentioned step end face and inner housing 7 waist gap delta 1 end face distance; The total magnetic flux
that coil 2 energising backs are produced is divided into two-way via above-mentioned inner housing 7; One the tunnel forms the first loop magnetic flux
via the gap delta 1 between the lower surface of the last plane of gap delta 2, armature 4 and said armature 4 between the external diameter of the internal diameter of iron core 1, middle casing 12, shell body 6, inner housing 7 and armature 4 and iron core 1, and this road magnetic flux also is called as work magnetic flux
; One the tunnel walks around armature 4 via iron core 1, middle casing 12, shell body 6, inner housing 7 directly gets back to the iron core 1 formation second loop magnetic flux
via the inner cylinder face of inner housing 7 and the external cylindrical surface of iron core 1, and this road magnetic flux
also is called as the bypass magnetic flux.
The utility model is sawed following beneficial effect than prior art,
The utility model is placed in the position of distance for
apart from iron core 1 lower surface with magnetism-isolating loop 5, constitutes two branch's magnetic circuits of the main magnetic circuit (work magnetic circuit) and the remanent magnetism bypass of releasing.Second remanent magnetism bypass branch magnetic circuit of releasing directly forms bypass without armature work magnetic pole gap for residual flux, can accelerate the closing velocity of armature and avoids producing " viscous " phenomenon.When electromagnet after outage under " 0 " air gap, the remanent magnetism in electromagnet core can have a bleed-off circuit, and said iron core 1 lower surface is rapidly disappeared to the electromagnetic attraction of armature 4 upper surfaces, thereby accelerates the dispose procedure of armature 4.
Description of drawings
Fig. 1 is that the utility model is the structure cutaway view of the automatically controlled fuel oil injection of response fast electromagnet.
Among the figure: 1 iron core, 2 coils, 3 coil racks, 4 armature, 5 magnetism-isolating loops, 6 shell bodies, 7 inner housings, 8 valve rods, 9 valve seats, 10 armature keepers, 11 valve rod springs, 12 middle casings.
The total for the magnetic flux,
to bypass flux,
main flux,
as the working flux,
for the pole gap,
for the pole radial clearance,
as every bead core 5 with respect to a lower end of the distance.
Embodiment
Consult Fig. 1.Mainly constitute by being called as iron core 1, coil 2, coil rack 3, armature 4, magnetism-isolating loop 5, shell body 6, inner housing 7, valve rod 8, valve seat 9, armature annex 10, valve rod spring 11 and middle casing 12.They are assembled together by illustrated mode, form an electromagnet apparatus of the automatically controlled fuel oil injection of response fast.
Magnetism-isolating loop 5 is assemblied on the below step axial end of iron core 1 with inner housing 7, and this magnetism-isolating loop 5 is between step end face below the iron core 1 and inner housing 7 open ends.Be close on the face of cylinder, top of above-mentioned inner housing 7 around the cylindrical coil 2 of said iron core 1 step through coil rack 3.Coil rack 3 is positioned in the annular slot of middle casing 12 lower surfaces, is assemblied in the cylindrical shell of shell body 6.The armature 4 that opening makes progress is positioned at iron core 1 step axial end lower end, and is fixed in the inner housing 7 big end cylindrical shells by armature keeper 10.The total magnetic flux
that coil 2 energising backs produce is divided into two-way via above-mentioned inner housing 7; One the tunnel forms the first loop magnetic flux
via the last plane of gap delta 1, armature 4 and said armature 4 between the lower surface of the last plane of gap delta 2, armature 4 and said armature 4 between the external diameter of the internal diameter of iron core 1, middle casing 12, shell body 6, inner housing 7, inner housing 7 and armature 4 and iron core 1 and the lower surface of iron core 1; This first flux circuit
will pass the magnetic pole gap between the lower surface of upper surface and iron core 1 of armature 4; Magnetic flux between iron core 1 and armature 4
also is called as and is called work magnetic flux
, its to act on be to produce electromagnetic attraction; Inner housing 7 downward circular cones shrink and form to the step cylindrical shell that extends below.Step cylindrical shell bottom is fixedly connected with a valve seat 9 that is assemblied in the inner housing 7 lower end cylindrical shells, and the bulb 81 on valve rod 8 bottoms falls within the arc groove of valve seat.The shaft 82 of valve rod 8 is through the centre bore of armature 4, stretches in a valve rod spring 11 that is complementary with electromagnetic force.Valve rod spring 11 is assemblied in the center stepped hole of armature 4 and iron core 1.
In the electromagnet of the automatically controlled fuel oil injection apparatus of quick response of the utility model, the magnetic flux that coil 2 energising backs produce is called that total magnetic flux is
.Iron core 1 below step end face and inner housing 7 waist gap delta 1 end face distance is
for 4mm to 4.5mm.The magnetism-isolating loop 5 that is positioned at
has been divided into two-way with the total magnetic flux
that coil 2 energising back produces via above-mentioned inner housing 7, and one the tunnel forms the first loop magnetic flux
via the last plane of iron core 1, middle casing 12, shell body 6, inner housing 7, armature 4 and said armature 4 and the lower surface of iron core 1.When first flux circuit
passes the magnetic pole gap between the lower surface of upper surface and iron core 1 of armature 4; Between iron core 1 and armature 4, produce electromagnetic attraction; The first loop magnetic flux
is commonly referred to main flux or work magnetic flux, i.e.
.One the tunnel walks around armature 4 via iron core 1, middle casing 12, shell body 6, inner housing 7, directly gets back to the iron core 1 formation second loop magnetic flux
via the inner cylinder face of inner housing 7 with the external cylindrical surface of iron core 1.
Total magnetic flux energized coil 2
and the two branches flux
and
the relationship can be expressed as:
In the process of electromagnetic actuation, the electric current in the coil 2 increases after energising gradually.Increase along with electric current; State reaches capacity rapidly as the second loop magnetic flux
that discharges the loop; Cause the recruitment of the second loop magnetic flux
to reduce rapidly; Cause the first loop magnetic flux
to increase sharply; After this; Pass the magnetic pole gap between the lower surface of upper surface and iron core 1 of armature 4 along with total magnetic flux
major part of the increase of the electric current in the coil 2; Thereby work magnetic flux
is increased sharply; Electromagnetic force also increases sharply thereupon, and the electromagnetic force that armature 1 increases sharply drives valve rod 8 and lifts the oil spout of operation electromagnetically operated valve rapidly.
When coil 2 outages; Electromagnet begins dispose procedure; Electric current in the coil 2 can not suddenly change; Minimizing along with electric current; Total magnetic flux
also reduces; Even yet the electric current in the coil of outage back is 0 o'clock; Magnetic flux in the magnetic circuit still is not 0; This is because the cause that in iron core, still has remanent magnetism to exist; At this moment the branch road of the second loop magnetic flux in the magnetic circuit
withdraws from the saturation region already, and the remanent magnetism in the magnetic circuit can pass through the bypass of the second loop magnetic flux
branch road, and does not pass the magnetic pole gap between the lower surface of upper surface and iron core 1 of armature 4; The electromagnetic force of 1 pair of armature 4 of iron core is reduced rapidly, and then avoid the generation of " viscous " phenomenon between the magnetic pole.
Claims (4)
1. quick electromagnet of response electronic fuel injection; Comprise; Be called as iron core (1), coil (2), coil rack (3), armature (4), magnetism-isolating loop (5), shell body (6), inner housing (7), valve rod (8), valve seat (9), armature annex (10), valve rod spring (11) and middle casing (12); It is characterized in that; Said magnetism-isolating loop (5) is arranged between iron core (1) below step end face and inner housing (7) open end; And be the position of L at a distance of above-mentioned step end face and inner housing (7) waist gap delta 1 end face distance; The total magnetic flux Φ that coil (2) energising back is produced is divided into two-way via above-mentioned inner housing (7), and one the tunnel via the gap delta 1 formation first loop magnetic flux Φ between the lower surface of the last plane of gap delta 2, armature (4) and said armature (4) between the external diameter of the internal diameter of iron core (1), middle casing (12), shell body (6), inner housing (7) and armature (4) and iron core (1)
2, this road magnetic flux also is called as work magnetic flux Φ
WOne the tunnel walks around armature (4) via iron core (1), middle casing (12), shell body (6), inner housing (7) directly gets back to iron core (1) the formation second loop magnetic flux Φ via the inner cylinder face of inner housing (7) and the external cylindrical surface of iron core (1)
1, this road magnetic flux Φ
1Be called as the bypass magnetic flux.
2. the electromagnet of quick response electronic fuel injection as claimed in claim 1 is characterized in that, iron core (1) below step end face and inner housing (7) waist gap delta 1 end face distance are that L is 4mm to 4.5mm.
3. the electromagnet of quick response electronic fuel injection as claimed in claim 1 is characterized in that, in the process of electromagnetic actuation, the electric current in the coil (2) increases after energising gradually, makes as the second loop magnetic flux Φ that discharges the loop
1The state that reaches capacity rapidly causes the second loop magnetic flux Φ
1Recruitment reduce rapidly, cause the first loop magnetic flux Φ
2Increase sharply; Total magnetic flux Φ major part with coil (2) electric current increases is passed the upper surface of armature (4) and the magnetic pole gap between iron core (1) lower surface, and the electromagnetic force that armature (1) is increased sharply drives valve rod (8) and lifts the oil spout of operation electromagnetically operated valve rapidly.
4. the electromagnet of quick response electronic fuel injection as claimed in claim 1 is characterized in that, begins in the dispose procedure at electromagnet, and total magnetic flux Φ reduces along with the minimizing of electric current, and the residual flux in the magnetic circuit is crossed the second loop magnetic flux Φ
1, and do not pass the magnetic pole gap between the lower surface of armature (4) upper surface and iron core (1), reduce the electromagnetic force of iron core (1) rapidly to armature (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205690804U CN202549532U (en) | 2011-12-30 | 2011-12-30 | Electromagnet rapidly responding to electric control fuel oil injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205690804U CN202549532U (en) | 2011-12-30 | 2011-12-30 | Electromagnet rapidly responding to electric control fuel oil injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549532U true CN202549532U (en) | 2012-11-21 |
Family
ID=47170124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205690804U Expired - Fee Related CN202549532U (en) | 2011-12-30 | 2011-12-30 | Electromagnet rapidly responding to electric control fuel oil injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693813A (en) * | 2011-12-30 | 2012-09-26 | 成都威特电喷有限责任公司 | Electronic fuel injection (EFI) rapid electromagnet |
| CN108138714A (en) * | 2015-10-12 | 2018-06-08 | 大陆汽车有限公司 | Electromagnetic injection valve and the method for assembling electromagnetic injection valve |
| CN109196212A (en) * | 2017-01-20 | 2019-01-11 | 斯坦蒂内有限责任公司 | Direct magnetic control inlet valve for fuel pump |
| CN109923295A (en) * | 2016-10-13 | 2019-06-21 | 世倍特集团有限责任公司 | For adjusting method and control device, the high-pressure injection system and motor vehicles of the decay current of the injection valve of the high-pressure injection system of motor vehicles |
-
2011
- 2011-12-30 CN CN2011205690804U patent/CN202549532U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102693813A (en) * | 2011-12-30 | 2012-09-26 | 成都威特电喷有限责任公司 | Electronic fuel injection (EFI) rapid electromagnet |
| CN108138714A (en) * | 2015-10-12 | 2018-06-08 | 大陆汽车有限公司 | Electromagnetic injection valve and the method for assembling electromagnetic injection valve |
| US10641221B2 (en) | 2015-10-12 | 2020-05-05 | Continental Automotive Gmbh | Electromagnetic injection valve and method for assembling an electromagnetic injection valve |
| CN108138714B (en) * | 2015-10-12 | 2020-05-19 | 大陆汽车有限公司 | Electromagnetic injection valve and method for assembling an electromagnetic injection valve |
| CN109923295A (en) * | 2016-10-13 | 2019-06-21 | 世倍特集团有限责任公司 | For adjusting method and control device, the high-pressure injection system and motor vehicles of the decay current of the injection valve of the high-pressure injection system of motor vehicles |
| CN109923295B (en) * | 2016-10-13 | 2022-01-14 | 世倍特集团有限责任公司 | Method for adjusting the damping current of an inlet valve of a high-pressure injection system of a motor vehicle, control device, high-pressure injection system and motor vehicle |
| CN109196212A (en) * | 2017-01-20 | 2019-01-11 | 斯坦蒂内有限责任公司 | Direct magnetic control inlet valve for fuel pump |
| CN109196212B (en) * | 2017-01-20 | 2021-02-09 | 斯坦蒂内有限责任公司 | Direct magnetically controlled inlet valve for fuel pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202549532U (en) | Electromagnet rapidly responding to electric control fuel oil injection | |
| JP6409131B2 (en) | Composite magnetic circuit double permanent magnet electromagnet and composite magnetic circuit double permanent magnet high speed solenoid valve | |
| WO2015043109A1 (en) | Electromagnetic structure comprising permanent magnets | |
| JP2014141924A (en) | Fuel injection device | |
| CN104465251B (en) | Electromagnetic tripping apparatus and the chopper equipped with this electromagnetic tripping apparatus | |
| CN110911084B (en) | Series-parallel permanent magnet and electromagnetic hybrid excitation high-speed electromagnetic actuator | |
| CN108679085A (en) | Radial stator core structure, bearing stator and hybrid radial magnetic suspension bearing | |
| CN102693813A (en) | Electronic fuel injection (EFI) rapid electromagnet | |
| CN105161325A (en) | Dynamic repulsion disk and repulsion mechanism using same | |
| CN108916454B (en) | Big stroke armature closed type energy-saving electromagnetic valve | |
| CN110953397A (en) | Series-parallel permanent magnet and electromagnetic hybrid excitation high-speed electromagnetic actuator with vibration reduction function | |
| CN105448459A (en) | Multi-permanent magnet high-speed two-way electromagnet | |
| CN103375453B (en) | A kind of lightweight fast-response solenoid valve | |
| CN103311051B (en) | Direct Action Type is put the T-shaped armature structure of permanent magnetism | |
| CN204204546U (en) | High solar heat protection and operate stable electromagnet | |
| CN202301549U (en) | Flight control system electric actuator electromagnetic clutch | |
| CN105888904B (en) | Non-crystaline amorphous metal composite iron core electromagnetic control oil sprayer | |
| CN106300881A (en) | Spacecraft separator based on electromagnetic force | |
| CN105448458B (en) | The many adhesive face high-speed electro-magnets of radial direction multi-coil parallel circuits | |
| CN103050218A (en) | Parallel coil based high-response and high-thrust electromagnet | |
| CN207268963U (en) | A kind of solenoid type valve-used electromagnet | |
| JP6501222B2 (en) | solenoid | |
| CN104766688B (en) | Novel combined type connecting structure for high-speed electromagnet core and shell | |
| CN203456216U (en) | Structure of magnetic circuit | |
| CN114458508B (en) | Electromagnetic-permanent magnet coupled high-speed electromagnetic valve for realizing high dynamic response based on permanent magnet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |