CN107100689A - A kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air - Google Patents
A kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air Download PDFInfo
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- CN107100689A CN107100689A CN201710508329.2A CN201710508329A CN107100689A CN 107100689 A CN107100689 A CN 107100689A CN 201710508329 A CN201710508329 A CN 201710508329A CN 107100689 A CN107100689 A CN 107100689A
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- Prior art keywords
- valve
- pressure oil
- control valve
- oil duct
- low pressure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/04—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for starting by means of fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L2013/10—Auxiliary actuators for variable valve timing
- F01L2013/101—Electromagnets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention belongs to technical field of engines, it is related to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air.The present invention is made up of control valve bottom, valve element, automatically controlled choke valve, control valve top, magnet coil, automatically controlled pressure regulator valve, valve, low pressure oil way system and high-pressure oil passage system etc.；Magnet coil is powered, and opens high-pressure oil passage system valve element adhesive, and low pressure oil way system is closed, hydraulic oil driving valve opening；Magnet coil is powered off, and valve element return closes high-pressure oil passage system, and low pressure oil way system is opened, air valve drop；Magnet coil is powered moment and energization period controllable valve timing and unlatching duration；Automatically controlled pressure regulation valve regulation high-pressure oil passage system oil pressure can control valve stroke；The valid circulation area of automatically controlled throttle valve adjustment low pressure oil way system can control valve crash speed, reduce impact.Full variable valve movements state modulator can be achieved in the present invention, optimizes engine working process, and control is flexible；It is simple in construction, it is easily manufactured, it is easy to promote.
Description
Technical field
The invention belongs to technical field of engines, and in particular to a kind of full changeable air valve machine of solenoid-operated hydraulic drive-type
Structure.
Background technology
Valve actuating mechanism is one of important component of internal combustion engine, and it, which carries, realizes each cylinder inlet and outlet of engine
The open and close timing of door and the important function for controlling the valve stroke characteristics of motion, are to realize engine breathing process, it is ensured that internal combustion
The working cycles of machine heat to power output are able to go round and begin again the basis constantly gone on.Therefore, engine whether can reliably working,
Can its dynamic property and economy be protected, with control close phase of the valve actuating mechanism in scavenging period to valve motion rule
Close.
Traditional engine is fixed due to structure, in engine operation process, valve motion rule be it is changeless,
The determination of conventional engines trim analysis is to be carried out under the various different operating modes of engine after lot of experiments, what design was chosen
A kind of compromise proposal, is typically only capable to ensure to make the best performance of internal combustion engine in a certain operating mode.Obviously, this inferior position prevented its from
Meet at this stage to engine high-efficiency rate, low oil consumption, low emission general requirement.Therefore, it is different under different operating modes in order to meet
Valve timing, open the demand of duration and lift, improve internal combustion engine economy and dynamic property, reduce hazardous emission, can
Air valve variation technology is arisen at the historic moment.Changeable air valve technology can realize valve stroke from zero to maximum according to the changes of engine conditions
Design lift and valve timing and open the continuous variable of duration.
The realization of current engine variable-valve technology mainly has variable cam phase, changeable cam molded line, variable convex
Several forms such as driven member and electromagnetism, electro-hydraulic driving of wheel.The problem of existing mainly realizes that valve variable control parameters are single；Machine
Structure too complex so that manufacturing cost is greatly increased；The mechanical component of large amount of complex has been installed additional so that reliability is reduced；Magnetic valve
Response speed is not enough and air valve drop shock problem is serious etc..
The content of the invention
It is an object of the invention to overcome available engine valve motion rule to immobilize and above-mentioned changeable air valve technology
Can not flexibly change the technical barriers such as valve motion parameter there is provided one kind it is simple and reliable for structure and can flexibly control valve timing,
Valve duration phase and the solenoid-operated hydraulic drive-type fully variable valve actuator for air of valve stroke.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization：
A kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air of the present invention is by control valve bottom 1, buffering ring
The stifled a3 of a2, oil, sealing ring a4, buffering ring b5, valve element 6, automatically controlled choke valve 7, oil stifled b8, control valve top 9, valve core reseting spring
10th, magnet coil 11, insulating materials 12, automatically controlled pressure regulator valve 13, sealing ring b14, valve 15, valve return springs 16 are constituted, its
Middle valve element 6 is placed between control valve bottom 1 and control valve top 9；Valve core reseting spring 10 is placed in valve element 6 and control valve top 9
Between；Control valve bottom 1 and control valve top 9 pass through the external screw thread 109 of control valve bottom 1 and the internal thread on control valve top 9
906 are connected；Valve 15 is placed in the lower section of control valve bottom 1, and its top is placed in the circular hole a102 of the bottom of control valve bottom 1
It is interior；Magnet coil 11 is placed in the circular hole c905 on control valve top 9, and by being wrapped in the insulating materials 12 and circular hole of outside
C905 walls are affixed；Automatically controlled pressure regulator valve 13 is placed in the pressure regulator valve mounting hole 110 of the porch of high-pressure oil duct 111 of control valve bottom 1
It is interior, the hydraulic oil pressure for entering high-pressure oil duct 111 can be adjusted；Automatically controlled choke valve 7 is positioned over the choke valve on control valve top 9
In mounting hole 901, low pressure oil duct c902 valid circulation area can be adjusted；The stifled a3 of oil is placed in the low pressure of control valve bottom 1
On the outside of oil duct a103；The stifled b8 of oil is placed on the outside of the low pressure oil duct d903 of control valve top 9；Buffering ring a2 is placed in the ring at the top of valve 15
In groove d1502；Buffering ring b5 is placed in the annular groove b107 at the top of control valve bottom 1；Sealing ring a4 is placed in control valve bottom 1 and control
In the annular groove a105 of the junction of valve top 9 processed；Sealing ring b14 is placed in the bottom circular hole on the top of valve 15 and control valve bottom 1
In the annular groove c1501 of a102 walls junction；Control valve bottom 1, control valve top 9, valve element 6 and the axial line of valve 15 are overlapped.
It is characterized in that described control valve bottom 1 is by lower house 101, circular hole a102, low pressure oil duct a103, low pressure oil duct
B104, annular groove a105, circular hole b106, annular groove b107, land 108, external screw thread 109, pressure regulator valve mounting hole 110, high-pressure oil duct 111
Composition, wherein land 108 are located at the top of lower house 101, and its outer surface is disposed with external screw thread 109, can with control valve top 9
Screw thread 906 is connected；Circular hole b106 is placed in the center of lower house 101, is connected sideways with high-pressure oil duct 111, bottom and circle
Hole a102 is connected；Low pressure oil duct a (103) sides are connected with the stifled a3 of oil, and opposite side is connected with circular hole a102, meanwhile, low pressure
Oil duct a (103) is also connected with low pressure oil duct b104；Lower house 101 is opened respectively with control valve top 9 and the joint of valve element 6
There are annular groove a105 and annular groove b107；Circular hole a102, circular hole b106 and the axial line of lower house 101 are overlapped.
Described valve element 6 is made up of round platform a601, disk 602, round platform b603, wherein disk 602 be located at round platform a601 with
Between round platform b603, round platform a601 is located at the lower surface of disk 602, and round platform b603 is located at the upper surface of disk 602, round platform a601
It is affixed with disk 602 respectively with round platform b603；Round platform a601 is connected with the circular hole b106 of control valve bottom 1；Round platform b603 and control
The oil outlet 904 on valve top 9 processed is connected；The upper surface of disk 602 is also connected with valve core reseting spring 10.
Described control valve top 9 is by choke valve mounting hole 901, low pressure oil duct c902, low pressure oil duct d903, oil outlet
904th, circular hole c905, internal thread 906, upper shell 907 are constituted, and wherein low pressure oil duct d903 sides are connected with oil outlet 904, separately
Side is connected with the stifled b8 of oil；Low pressure oil duct c902 is connected with low pressure oil duct d903, at the same its also with the phase of choke valve mounting hole 901
Connection；Upper shell 907, oil outlet 904 and circular hole c905 three axial line are overlapped.
The described top of valve 15 is provided with annular groove c1501, annular groove d1502.
After low pressure oil duct b104 on described control valve bottom 1 is assembled with the low pressure oil duct c902 on control valve top 9
Need connection.
Described low pressure oil duct a103, low pressure oil duct b104, low pressure oil duct c902, automatically controlled choke valve 7, low pressure oil duct d903
Low pressure oil way system is constituted with oil outlet 904；Automatically controlled pressure regulator valve 13, high-pressure oil duct 111 and the top of valve 15 and circular hole a102 walls
The oil pocket that face is surrounded constitutes high-pressure oil passage system.
Described magnet coil 11, when that can produce magnetic force after energization, adhesive is carried out to valve element 6, magnetic force disappears after power-off.
When described valve element 6 moves to the top, round platform b603 will make low pressure oil duct d903 be blocked completely, round platform
A601 will make high-pressure oil duct 111 export complete opening, be connected completely with circular hole b106；When valve element 6 moves to bottom, circle
Platform a601 will export high-pressure oil duct 111 to block completely, and round platform b603 will be such that low pressure oil duct d903 opens completely, and fuel-displaced
Hole 904 is connected completely.
There need to be certain pretightning force when described valve core reseting spring 10 and the assembling of valve return springs 16.
The course of work of apparatus of the present invention is as follows：
When engine valve needs to open, magnet coil 11 is powered, and valve element 6 is moved upwards under the attraction of electromagnetic force,
Round platform a601 is removed from the outlet of high-pressure oil duct 111, and high-pressure oil duct 111 is connected with circular hole b106, and low pressure oil duct d903 is justified outlet
Platform b603 is blocked；Hydraulic oil enters what the top of valve 15 was surrounded with circular hole a102 walls by high-pressure oil duct 111 and circular hole b106
In oil pocket；Oil pressure rise in the top oil pocket of valve 15, promotion valve 15 is descending, and valve return springs 16 are compressed, valve
Open；When the oil pressure on the top of valve 15 reaches balance with the power collective effect of valve return springs 16, valve is reached and most risen higher
Journey.
When engine valve needs to close, magnet coil 11 is de-energized, and valve element 6 is under the active force of valve core reseting spring 10
Move downward, high-pressure oil duct 111 is exported to be blocked by round platform a601, low pressure oil duct d903 is opened outlet, is connected with oil outlet 904,
Oil pressure reduction in the top oil pocket of valve 15, valve 15 is up under the thrust of valve return springs 16, valve-closing.
When needing valve opening timing in advance, magnet coil 11 is powered the moment in advance；When needing to postpone valve opening timing,
Magnet coil 11 is postponed to be powered the moment.
When needing the increase valve duration phase, increase the conduction time of magnet coil 11；Need to reduce valve duration
During the phase, the conduction time of magnet coil 11 is reduced.
When needing increase valve stroke, the pressure regulation pressure of the automatically controlled pressure regulator valve 13 in the porch of high-pressure oil duct 111, Jin Erzeng are improved
The decrement of oil pressure and valve return springs 16 suffered by 15 tops of aerating door；When needing to reduce valve stroke, reduction is high
The pressure regulation pressure of the automatically controlled pressure regulator valve 13 in the porch of road 111 is pressed oil, and then reduces the oil pressure and valve suffered by the top of valve 15
The decrement of back-moving spring 16.
Compared with prior art the beneficial effects of the present invention are：
1. the solenoid-operated hydraulic drive-type fully variable valve actuator for air that the present invention is provided can realize valve timing, valve opening
Duration and the continuous variable of valve stroke, control are flexible；
2. the solenoid-operated hydraulic drive-type fully variable valve actuator for air that the present invention is provided can be taken into account under Different Work Condition of Engine
Performance, optimizes engine working process, effectively improves engine power performance and economy；
3. the solenoid-operated hydraulic drive-type fully variable valve actuator for air that the present invention is provided can realize that gasoline engine non-air throttle is born
Lotus controls, and reduces pumping loss, improves charging efficiency and can realize Miller cycle, reaches the effect of energy-saving and emission-reduction.
4. the solenoid-operated hydraulic drive-type fully variable valve actuator for air that the present invention is provided is simple in construction, easily manufactured, it is easy to
Promote.
Brief description of the drawings
Fig. 1 is the structural representation of solenoid-operated hydraulic drive-type fully variable valve actuator for air
Fig. 2 is the structural representation of control valve bottom 1 in Fig. 1
Fig. 3 is the structural representation of valve element 6 in Fig. 1
Fig. 4 is the structural representation on control valve top 9 in Fig. 1
Fig. 5 is the structural representation of valve 15 in Fig. 1
Wherein, stifled 4. sealing ring a of a, 5. buffering ring b, 6. valve elements 7. of the oil of 1. control valve bottom, 2. buffering ring a 3. are automatically controlled
The automatically controlled tune of stifled 9. control valve tops of b, 10. valve core reseting spring, 11. magnet coil, 12. insulating materials 13. of the oil of choke valve 8.
The low pressure oil duct a of 102. circular hole a of pressure valve 14. sealing ring b, 15. valve, 16. valve return springs, 101. lower houses 103.
104. the pressure regulator valve of 109. external screw thread of low pressure oil duct b 105. annular groove a, 106. circular hole b, 107. annular groove b, 108. land 110. is pacified
Fill the low pressure oil duct c of hole 111. high-pressure oil duct, 601. round platform a, 602. disk, 603. round platform b, 901. choke valve mounting holes 902.
The upper shell of 903. 906. internal threads of low pressure oil duct d 904. oil outlet, 905. circular hole c 907.
Embodiment
1-5 is described in detail to the present invention below in conjunction with the accompanying drawings：
Referring to the drawings 1,2,3,4,5：
The present invention is by control valve bottom 1, buffering ring a2, oil stifled a3, sealing ring a4, buffering ring b5, valve element 6, automatically controlled throttling
The stifled b8 of valve 7, oil, control valve top 9, valve core reseting spring 10, magnet coil 11, insulating materials 12, automatically controlled pressure regulator valve 13, sealing
Circle b14, valve 15, valve return springs 16 are constituted.
Wherein, the external screw thread 109 and control valve top 9 of control valve bottom 1 and control valve top 9 by control valve bottom 1
Internal thread 906 be connected；
Buffering ring a2 is placed in the annular groove d1502 at the top of valve 15, is the offer cushioning effect of taking a seat of valve 15；
The stifled a3 of oil is placed on the outside of the low pressure oil duct a103 of control valve bottom 1, and it is acted on to going out on the outside of low pressure oil duct a103
Mouth is sealed；
Sealing ring a4 is placed in the annular groove a105 of control valve bottom 1 and the junction of control valve top 9, to low pressure oil duct b104
Sealed with low pressure oil duct c902 junction, prevent hydraulic oil from revealing；
Buffering ring b5 is placed in the annular groove b107 at the top of control valve bottom 1, is the offer cushioning effect of taking a seat of valve element 6, is kept away
Exempt from impact shock；
Valve element 6 is placed between control valve bottom 1 and control valve top 9, can be in the circular hole c905 on control valve top 9 above and below
Motion；When valve element 6 moves to the top, round platform b603 will make low pressure oil duct d903 be blocked completely, and round platform a601 will
High-pressure oil duct 111 is exported complete opening, connected completely with circular hole b106；When valve element 6 moves to bottom, round platform a601 will
It can export high-pressure oil duct 111 to block completely, round platform b603 will be such that low pressure oil duct d903 opens completely, complete with oil outlet 904
Full-mesh；
Automatically controlled choke valve 7 is positioned in the choke valve mounting hole 901 on control valve top 9, can be had to low pressure oil duct c902
Effect circulation area is adjusted, and to control the discharge velocity of low pressure oil, and then the seating velocity of valve 15 is adjusted；
The stifled b8 of oil is placed on the outside of the low pressure oil duct d903 of control valve top 9, and it is acted on to going out on the outside of low pressure oil duct d903
Mouth is sealed；
Valve core reseting spring 10 is placed between valve element 6 and control valve top 9, and certain pretightning force is provided for the installation of valve element 6,
And the returning quickly of valve element 6 can be made when magnet coil 11 is powered off；
Magnet coil 11 is placed in the circular hole c905 on control valve top 9, and by be wrapped in outside insulating materials 12 with
Circular hole c905 walls are affixed；Magnet coil 11, which is powered, produces magnetic force, the adhesive of valve element 6 can be powered off magnetic force and be disappeared, valve element 6 is in valve
Returning quickly is moved downward under the active force of core back-moving spring 10；
Automatically controlled pressure regulator valve 13 is placed in the pressure regulator valve mounting hole 110 of the porch of high-pressure oil duct 111 of control valve bottom 1, can
The hydraulic oil pressure for entering high-pressure oil duct 111 is adjusted, so that change the thrust of the opening movement of valve 15, regulation valve 15
Lift；
Sealing ring b14 is placed in the annular groove c1501 on the top of valve 15 and the bottom circular hole a102 walls junction of control valve bottom 1
It is interior, sealing function is played to entering the hydraulic oil in the oil pocket that the top of valve 15 and circular hole a102 walls are surrounded, hydraulic oil is prevented
Leakage；
Valve 15 is placed in the lower section of control valve bottom 1, and its top is placed in the circular hole a102 of the bottom of control valve bottom 1；
Valve return springs 16 provide certain pretightning force for the installation of valve 15, and are provided when the return of valve 15 is taken a seat
Certain restoring force, it is ensured that the reliability that valve 15 is moved；
Control valve bottom 1, control valve top 9, valve element 6 and the axial line of valve 15 are overlapped；
Low pressure oil duct a103, low pressure oil duct b104, low pressure oil duct c902, automatically controlled choke valve 7, low pressure oil duct d903 and fuel-displaced
Hole 904 constitutes low pressure oil way system；
The oil pocket that automatically controlled pressure regulator valve 13, high-pressure oil duct 111 and the top of valve 15 and circular hole a102 walls are surrounded constitutes high pressure
Oil piping system.
Referring to the drawings 1,2：
Described control valve bottom 1 is by lower house 101, circular hole a102, low pressure oil duct a103, low pressure oil duct b104, annular groove
A105, circular hole b106, annular groove b107, land 108, external screw thread 109, pressure regulator valve mounting hole 110, high-pressure oil duct 111 are constituted.
Wherein lower house 101 is having annular groove a105 and annular groove b107 with control valve top 9 and the joint of valve element 6；
Annular groove a105 provides installation site for sealing ring a4, and annular groove b107 provides installation site for buffering ring b5；
Circular hole a102 coordinates with the upper gap of valve 15, and the up and down motion for valve 15 provides guide effect；
Low pressure oil duct a (103) sides are connected with the stifled a3 of oil, and opposite side is connected with circular hole a102, meanwhile, low pressure oil duct a
(103) also it is connected with low pressure oil duct b104；
Circular hole b106 is placed in the center of lower house 101, is connected sideways with high-pressure oil duct 111, bottom and circular hole a102
It is connected；
Land 108 is located at the top of lower house 101, and its outer surface is disposed with external screw thread 109, can with control valve top 9
Screw thread 906 is connected；
Circular hole a102, circular hole b106 and the axial line of lower house 101 are overlapped.
Referring to the drawings 1,3：
Described valve element 6 is made up of round platform a601, disk 602, round platform b603.
Wherein disk 602 is located between round platform a601 and round platform b603, and round platform a601 is located at the lower surface of disk 602, circle
Platform b603 is located at the upper surface of disk 602；
Round platform a601 and round platform b603 are affixed with disk 602 respectively；
Round platform a601 is connected with the circular hole b106 of control valve bottom 1, round platform b603 and the oil outlet 904 on control valve top 9
It is connected；Circular hole b106 and oil outlet 904 are respectively that round platform a601 and round platform b603 up and down motion provides guide effect；
The upper surface of disk 602 is connected with valve core reseting spring 10.
Referring to the drawings Isosorbide-5-Nitrae：
Described control valve top 9 is by choke valve mounting hole 901, low pressure oil duct c902, low pressure oil duct d903, oil outlet
904th, circular hole c905, internal thread 906, upper shell 907 are constituted.
Wherein choke valve mounting hole 901 is that automatically controlled choke valve 7 provides installation site；
Low pressure oil duct c902 is connected with low pressure oil duct d903, while it is also connected with choke valve mounting hole 901；In control
Low pressure oil duct c902 and low pressure oil duct b104 is connected after valve top 9 processed is assembled with control valve bottom 1；
Low pressure oil duct d903 sides are connected with oil outlet 904, and opposite side is connected with the stifled b8 of oil；
Upper shell 907, oil outlet 904 and circular hole c905 three axial line are overlapped.
Referring to the drawings 1,5：
The described top of valve 15 is provided with annular groove c1501 and annular groove d1502.
Annular groove c1501 provides installation site for sealing ring b14；
Annular groove d1502 provides installation site for buffering ring a2.
With reference to each component of apparatus of the present invention and its installation site relation, the full changeable air valve machine of the solenoid-operated hydraulic drive-type
The specific work process and control principle of structure technical scheme are as follows：
When engine valve needs to open, magnet coil 11 is powered, and valve element 6 is moved upwards under the attraction of electromagnetic force,
Round platform a601 is removed from the outlet of high-pressure oil duct 111, and high-pressure oil duct 111 is connected with circular hole b106, and low pressure oil duct d903 is justified outlet
Platform b603 is blocked；Hydraulic oil enters what the top of valve 15 was surrounded with circular hole a102 walls by high-pressure oil duct 111 and circular hole b106
In oil pocket；Oil pressure rise in the top oil pocket of valve 15, promotion valve 15 is descending, and valve return springs 16 are compressed, valve
Open；When the oil pressure on the top of valve 15 reaches balance with the power collective effect of valve return springs 16, valve is reached and most risen higher
Journey.
When engine valve needs to close, magnet coil 11 is de-energized, and valve element 6 is under the active force of valve core reseting spring 10
Move downward, high-pressure oil duct 111 is exported to be blocked by round platform a601, low pressure oil duct d903 is opened outlet, is connected with oil outlet 904,
Oil pressure reduction in the top oil pocket of valve 15, valve 15 is up under the thrust of valve return springs 16, valve-closing.
When needing valve opening timing in advance, magnet coil 11 is powered the moment in advance；When needing to postpone valve opening timing,
Magnet coil 11 is postponed to be powered the moment.
When needing the increase valve duration phase, increase the conduction time of magnet coil 11；Need to reduce valve duration
During the phase, the conduction time of magnet coil 11 is reduced.
When needing increase valve stroke, the pressure regulation pressure of the automatically controlled pressure regulator valve 13 in the porch of high-pressure oil duct 111, Jin Erzeng are improved
The decrement of oil pressure and valve return springs 16 suffered by 15 tops of aerating door；When needing to reduce valve stroke, reduction is high
The pressure regulation pressure of the automatically controlled pressure regulator valve 13 in the porch of road 111 is pressed oil, and then reduces the oil pressure and valve suffered by the top of valve 15
The decrement of back-moving spring 16.
Claims (10)
1. a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air, by control valve bottom (1), buffering ring a (2), the stifled a of oil
(3), the stifled b (8) of sealing ring a (4), buffering ring b (5), valve element (6), automatically controlled choke valve (7), oil, control valve top (9), valve element are multiple
Position spring (10), magnet coil (11), insulating materials (12), automatically controlled pressure regulator valve (13), sealing ring b (14), valve (15), valve
Back-moving spring (16) is constituted；Wherein valve element (6) is placed between control valve bottom (1) and control valve top (9)；Valve core reseting spring
(10) it is placed between valve element (6) and control valve top (9)；Control valve bottom (1) and control valve top (9) pass through control valve bottom
(1) external screw thread (109) is connected with the internal thread (906) of control valve top (9)；Valve (15) is placed in control valve bottom (1)
Lower section, and its top is placed in the circular hole a (102) of control valve bottom (1) bottom；Magnet coil (11) is placed in control valve top
(9) in circular hole c (905), and it is affixed by the insulating materials (12) and circular hole c (905) wall for being wrapped in outside；Automatically controlled pressure regulation
Valve (13) is placed in the pressure regulator valve mounting hole (110) of high-pressure oil duct (111) porch of control valve bottom (1), can be high to entering
The hydraulic oil pressure of force feed road (111) is adjusted；Automatically controlled choke valve (7) is positioned over the choke valve mounting hole on control valve top (9)
(901) in, low pressure oil duct c (902) valid circulation area can be adjusted；It is low that the stifled a (3) of oil is placed in control valve bottom (1)
Press oil on the outside of road a (103)；The stifled b (8) of oil is placed on the outside of control valve top (9) low pressure oil duct d (903)；Buffering ring a (2) is placed in gas
In annular groove d (1502) at the top of door (15)；In the annular groove b (107) that buffering ring b (5) is placed at the top of control valve bottom (1)；Sealing
Circle a (4) is placed in the annular groove a (105) of control valve bottom (1) and control valve top (9) junction；Sealing ring b (14) is placed in gas
The annular groove c (1501) on door (15) top and bottom circular hole a (102) wall junction of control valve bottom (1) is interior；Control valve bottom
(1), control valve top (9), valve element (6) and valve (15) axial line are overlapped.
2. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Control valve bottom (1) by lower house (101), circular hole a (102), low pressure oil duct a (103), low pressure oil duct b (104), annular groove a
(105), circular hole b (106), annular groove b (107), land (108), external screw thread (109), pressure regulator valve mounting hole (110), high-pressure oil duct
(111) constitute；Wherein land (108) is located at the top of lower house (101), and its outer surface is disposed with external screw thread (109), can be with control
The internal thread (906) on valve top (9) is connected；Circular hole b (106) is placed in lower house (101) center, side and high-pressure oil duct
(111) it is connected, bottom is connected with circular hole a (102)；Low pressure oil duct a (103) sides are connected with the stifled a (3) of oil, opposite side and
Circular hole a (102) is connected, meanwhile, low pressure oil duct a (103) is also connected with low pressure oil duct b (104)；Lower house (101) with
Control valve top (9) and valve element (6) joint have annular groove a (105) and annular groove b (107)；Circular hole a (102), circular hole b
(106) overlapped with lower house (101) axial line.
3. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Valve element (6) be made up of round platform a (601), disk (602), round platform b (603), wherein disk (602) be located at round platform a (601) with
Between round platform b (603), round platform a (601) is located at the lower surface of disk (602), and round platform b (603) is located at the upper table of disk (602)
Face, round platform a (601) and round platform b (603) are affixed with disk (602) respectively；Round platform a (601) and the circular hole b of control valve bottom (1)
(106) it is connected；Round platform b (603) is connected with the oil outlet (904) of control valve top (9)；Disk (602) upper surface also with valve element
Back-moving spring (10) is connected.
4. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Control valve top (9) by choke valve mounting hole (901), low pressure oil duct c (902), low pressure oil duct d (903), oil outlet (904),
Circular hole c (905), internal thread (906), wherein upper shell (907) composition, low pressure oil duct d (903) sides and oil outlet (904) phase
Connection, opposite side is connected with the stifled b (8) of oil；Low pressure oil duct c (902) is connected with low pressure oil duct d (903), at the same its also with throttling
Valve mounting hole (901) is connected；Upper shell (907), oil outlet (904) and circular hole c (905) three's axial line are overlapped.
5. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Valve (15) top be provided with annular groove c (1501), annular groove d (1502).
6. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Control valve bottom (1) on low pressure oil duct b (104) and control valve top (9) on low pressure oil duct c (902) assemblings after the company of need
It is logical.
7. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Low pressure oil duct a (103), low pressure oil duct b (104), low pressure oil duct c (902), automatically controlled choke valve (7), low pressure oil duct d (903) and
Oil outlet (904) constitutes low pressure oil way system；Automatically controlled pressure regulator valve (13), high-pressure oil duct (111) and valve (15) top and circular hole a
(102) oil pocket that wall is surrounded constitutes high-pressure oil passage system.
8. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Magnet coil (11), when magnetic force can be produced after energization, adhesive is carried out to valve element (6), magnetic force disappears after power-off.
9. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Valve element (6) when moving to the top, round platform b (603) will make low pressure oil duct d (903) be blocked completely, and round platform a (601) will
It can make high-pressure oil duct (111) outlet is complete to open, be connected completely with circular hole b (106)；When valve element (6) moves to bottom, circle
Platform a (601) will be such that high-pressure oil duct (111) outlet blocks completely, and round platform b (603) will be such that low pressure oil duct d (903) beats completely
Open, connected completely with oil outlet (904).
10. according to a kind of solenoid-operated hydraulic drive-type fully variable valve actuator for air described in claim 1, it is characterised in that described
Valve core reseting spring (10) and valve return springs (16) assembling when need to have certain pretightning force.
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| CN107355277A (en) * | 2017-08-31 | 2017-11-17 | 吉林大学 | A kind of engine variable discharge capacity variable lift valve operating mechanism |
| CN107676142A (en) * | 2017-11-13 | 2018-02-09 | 吉林大学 | A kind of hydraulic-driven variable valve actuator for air of low voltage control high pressure |
| CN110700916A (en) * | 2019-11-08 | 2020-01-17 | 江苏科技大学 | Control system and control method for compound electromagnetic drive fully-variable valve actuating mechanism |
| CN111535894A (en) * | 2020-04-28 | 2020-08-14 | 一汽解放汽车有限公司 | Electric control hydraulic type air valve system and engine |
| CN112377282A (en) * | 2020-12-02 | 2021-02-19 | 博鼎汽车科技(山东)有限公司 | Hydraulic tappet and compression release type engine in-cylinder braking system |
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| CN111535894B (en) * | 2020-04-28 | 2021-02-19 | 一汽解放汽车有限公司 | Electric control hydraulic type air valve system and engine |
| CN112377282A (en) * | 2020-12-02 | 2021-02-19 | 博鼎汽车科技(山东)有限公司 | Hydraulic tappet and compression release type engine in-cylinder braking system |
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