CN205714329U - electromagnetic control air distribution system - Google Patents
electromagnetic control air distribution system Download PDFInfo
- Publication number
- CN205714329U CN205714329U CN201620395028.4U CN201620395028U CN205714329U CN 205714329 U CN205714329 U CN 205714329U CN 201620395028 U CN201620395028 U CN 201620395028U CN 205714329 U CN205714329 U CN 205714329U
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- valve
- control
- valve body
- electromagnetic
- low pressure
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- Withdrawn - After Issue
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- Magnetically Actuated Valves (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The purpose of this utility model is to provide Electromagnetic Control air distribution system, including high pressure oil rail, Electromagnetic Control part, valve body, fuel tank etc..This utility model use high pressure oil rail to significantly reduce valve opening that pressure oscillation in system causes and close unstability, it is ensured that the reliability of air distribution system work and concordance；Hydraulic circuit is opened and closed by Electromagnetic Control part high-speed electromagnetic valve control system of switching on or off electricity control valve, thus realize the break-make between valve and blow vent, can effectively control valve timing and distribution duration angle, be conducive to the realization of distribution mode flexibly under internal combustion engine difference operating mode, significantly improve valve control freedom degree, economy and the engine exhaust of fuel can be improved further, be conducive to improving the power performance of internal combustion engine.
Description
Technical field
The utility model relates to a kind of internal combustion engine, specifically Valve System of Internal Combustion Engine.
Background technology
The Main Function of IC engine gas distribution device is, within the time of regulation, the waste gas after burning is discharged cylinder,
And suck the fresh air of q.s, valve timing and distribution duration angle to the economy of fuel oil, internal combustion engine merit
Rate, burn and the impact such as discharge is great.Conventional camshaft-actuated mechanical valve valve actuating mechanism, the fortune of valve
It is dynamic by the machine driving control valve timing between bent axle and camshaft and camshaft and each cylinder gate,
Its valve opening time, persistent period and lift etc. immobilize on structural parameters, can only guarantee internal combustion engine
Under specific operation, performance reaches optimal, is unfavorable for that applying working condition changes internal combustion engine frequently.Application No.
200910184400.1 patent disclose a kind of internal-combustion engine continuous variable distribution control system, this system is permissible
Rotating speed according to internal combustion engine and workload demand optimal control inlet valve and the open and close timing of exhaust valve, open and close
Speed and stroke, the coincidence angle of open and close duration and inlet and exhaust valve, but its toggle is with piston even
Connect, still fall within cam and control air distribution system.The patent of Application No. 201010120223.3 discloses one
Engine variable power distribution control system, including the cam in cylinder with as the cam of valve actuating mechanism
Axle, the cam of diesel fuel injection system and the camshaft of injection pump, cam is provided with a bracer,
Bracer is work surface at the contact surface of inblock cylinder valve tappet Yu rocking arm, and its valve actuating mechanism also drives for conventional cam
Dynamic formula.
Summary of the invention
The purpose of this utility model is to provide that port timing is easily controllable, distribution duration angle and valve stroke just
Electromagnetic Control air distribution system in flexible.
The purpose of this utility model is achieved in that
This utility model Electromagnetic Control air distribution system, is characterized in that: include distribution unit, high pressure oil rail, oil
Case, described distribution unit includes valve body, Electromagnetic Control part, controls piston, valve；Described electromagnetism control
Part processed includes that electromagnetic valve body, control valve, electromagnetic valve body and control valve are respectively positioned in valve body, electromagnetic valve body
Including valve body, coil, armature, coil is wrapped in valve body, and armature is positioned at below valve body, control valve and rank
Ferrum is connected, and the upper end of control valve connects control valve back-moving spring, and the end of control valve back-moving spring withstands on valve
In body, the middle part of control valve arranges bossing, and the width of bossing is wider than the width of its upper and lower adjoining part
Degree, the valve body part at bossing place arranges bossing chamber, above bossing adjoining part with
Valve body forms oil back chamber, and below bossing, adjoining part and valve body form oil suction chamber, bossing
Matching with valve body respectively in upper and lower end face, is the first sealing with the bossing upper surface place of cooperation in valve body
Seat surface, is the second sealed seat surface with the bossing lower surface place of cooperation in valve body；Control piston and be arranged on gas
In door body and be positioned at the lower section of Electromagnetic Control part, control to be formed between piston and Electromagnetic Control part to control chamber,
Being respectively provided with high pressure fuel feed hole, low pressure spill port, high-low pressure through hole in valve body, high pressure fuel feed hole connects respectively
Logical high pressure oil rail and oil suction chamber, low pressure spill port is respectively communicated with fuel tank and oil back chamber, and high-low pressure through hole connects respectively
Logical bossing chamber and control chamber, control to connect below piston valve, valve be cased with valve return springs,
Valve seating is installed in valve end, and shell is arranged on below valve body, and valve seating is positioned at outer side；Described
The quantity of distribution unit is consistent with the quantity of engine cylinder.
This utility model can also include:
1, when control valve is pressed on the second sealed seat surface, the connection of high-low pressure through hole controls chamber and low pressure spill port；
When control valve is pressed on the first sealed seat surface, the connection of high-low pressure through hole controls chamber and high pressure fuel feed hole.
Advantage of the present utility model is: this utility model uses high pressure oil rail to significantly reduce due to electromagnetism control
The valve opening that the hydraulic oil pressure fluctuation caused during part high speed electromagnetic Vavle switching high-low pressure oil circuit processed causes and
Close unstability, it is ensured that the reliability of air distribution system work and concordance；High by Electromagnetic Control part
Speed electromagnetic valve control system of switching on or off electricity control valve displacement, it is achieved flexible to the break-make of high-low pressure oil circuit and uninterrupted
Control, and then control quantity delivered and the amount of releasing of intraluminal fluid force feed, make to act on the liquid controlled on piston
Pressure changes flexibly, utilizes and acts on control piston and laterostigmatal pressure differential to realize valve motion controlled, from
And realize the break-make between valve and blow vent, can effectively control valve timing and distribution duration angle, in being conducive to
The realization of flexible distribution mode under combustion engine difference operating mode, significantly improves valve control freedom degree, can be further
Improve economy and the engine exhaust of fuel, be conducive to improving the power performance of internal combustion engine.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Electromagnetic Control part-structure schematic diagram of the present utility model.
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings and this utility model be described in more detail:
In conjunction with Fig. 1～2, this utility model one Electromagnetic Control air distribution system, it is by high pressure oil rail 1, high pressure
Oil pipe 2, Electromagnetic Control part 3, control chamber 4, to control piston 5, valve body 6, spring base 7, valve multiple
Position spring 8, valve 9, shell 10, blow vent 11, valve seating 12, oil return pipe 13, fuel tank 14, filter
Device 15 and high-pressure oil pump 16 form.It is characterized in that: high pressure oil rail 1 left end by hydraulic oil pipe respectively with height
Pressure oil pump 16, filter 15 are connected with fuel tank 14, and high pressure oil rail 1 has multiple hydraulic oil outlet, liquid
The number of force feed outlet determines according to the number of cylinder of internal-combustion engine, and hydraulic oil outlet passes through high-pressure oil pipe 2 and gas
The high pressure oil-in having in door body 6 is connected, and the low pressure oil return opening that valve body 6 has passes through oil return pipe
13 connection fuel tanks 14.Electromagnetic Control part 3 by electrical connector 17, control valve back-moving spring 18, coil 19,
Control valve the 20, first sealed seat surface the 21, second sealed seat surface 22, high pressure fuel feed hole 23, high-low pressure through hole
24, low pressure spill port 25 and armature 26 form.Be respectively designed with on valve body 6 first sealed seat surface 21,
Second sealed seat surface 22, high pressure fuel feed hole 23, high-low pressure through hole 24 and low pressure spill port 25, high pressure oil-feed
Hole 23 is connected with high pressure oil-in by the high-pressure oil passage on valve body 6, and low pressure spill port 25 passes through
Low pressure drainback passage on valve body 6 is connected with low pressure oil return opening, is compacted to the second sealing in control valve 20
Time on seat surface 22, high-low pressure through hole 24 connection controls chamber 4 and low pressure spill port 25, presses in control valve 20
Tightly to time on the first sealed seat surface 21, high-low pressure through hole 24 connection controls chamber 4 and high pressure fuel feed hole 23, line
Circle 19 is connected with internal-combustion engine electronic control unit by electrical connector 17, and then controls lifting and falling of control valve 20
Seat, armature 26 is fixed in control valve 20 by locating snap ring, and moves the most together, and control valve 20 is passed through
Control valve back-moving spring 18 is compacted on the second sealed seat surface 22.Control piston 5 to be arranged on valve 9
Portion and and valve body 6 between formed control chamber 4, control piston 5 open and close with valve 9 and with valve 9
Being synchronized with the movement, spring base 7 is fixed on valve 9 by locating snap ring, and moves the most together, valve return
Spring 8 is pressed between spring base 7 and shell 10, and the motion lift of valve 9 is limited by valve seating 12
System.
Fig. 1 is the overall structure schematic diagram of this utility model Electromagnetic Control air distribution system, including high pressure oil rail 1,
High-pressure oil pipe 2, Electromagnetic Control part 3, control chamber 4, control piston 5, valve body 6, spring base 7, gas
Door back-moving spring 8, valve 9, shell 10, blow vent 11, valve seating 12, oil return pipe 13, fuel tank 14,
Filter 15 and high-pressure oil pump 16.High pressure oil rail 1 left end by hydraulic oil pipe respectively with high-pressure oil pump 16, filter
Device 15 is connected with fuel tank 14, and high pressure oil rail 1 has multiple hydraulic oil outlet, hydraulic oil outlet
Several numbers according to cylinder of internal-combustion engine determine, during as it is shown in figure 1, be used for four-cylinder internal combustion engine for this utility model
Schematic diagram, hydraulic oil outlet is connected with the high pressure oil-in having on valve body 6 by high-pressure oil pipe 2,
The low pressure oil return opening having on valve body 6 connects fuel tank 14 by oil return pipe 13.Electrical connector 17, control
Valve back-moving spring 18, coil 19, control valve the 20, first sealed seat surface the 21, second sealed seat surface 22, height
It is pressed into oilhole 23, high-low pressure through hole 24, low pressure spill port 25 and armature 26 to together constitute Electromagnetic Control and join
The Electromagnetic Control part 3 of gas system, as shown in Figure 2.The first sealed seat surface it is respectively designed with on valve body 6
21, the second sealed seat surface 22, high pressure fuel feed hole 23, high-low pressure through hole 24 and low pressure spill port 25, high pressure
Fuel feed hole 23 is connected with high pressure oil-in by the high-pressure oil passage on valve body 6, low pressure spill port 25
It is connected with low pressure oil return opening by the low pressure drainback passage on valve body 6, is compacted to second in control valve 20
Time on sealed seat surface 22, high-low pressure through hole 24 connection controls chamber 4 and low pressure spill port 25, in control valve 20
When being compacted on the first sealed seat surface 21, high-low pressure through hole 24 connection controls chamber 4 and high pressure fuel feed hole 23,
Coil 19 is connected with internal-combustion engine electronic control unit by electrical connector 17, so control control valve 20 lift with
Taking a seat, armature 26 is fixed in control valve 20 by locating snap ring, and moves the most together, and control valve 20 is led to
Cross control valve back-moving spring 18 to be compacted on the second sealed seat surface 22.Control piston 5 and be arranged on valve 9
Top and and valve body 6 between formed control chamber 4, control piston 5 open and close with valve 9 and with gas
Door 9 is synchronized with the movement, and spring base 7 is fixed on valve 9 by locating snap ring, and moves the most together, valve
Back-moving spring 8 is pressed between spring base 7 and shell 10, and the motion lift of valve 9 is entered by valve seating 12
Row limits.As it is shown in figure 1, this utility model is when four-cylinder internal combustion engine, the hydraulic oil flow warp in fuel tank 14
Hydraulic oil pipe flows into filter 15, and the hydraulic oil after filtering flows into high-pressure oil pump 16 by hydraulic oil pipe, and at height
Being supercharged to certain pressure in pressure oil pump 16, the high pressure liquid force feed flowed out in high-pressure oil pump 16 is through hydraulic pressure
Oil pipe flows into high pressure oil rail 1, and keeps storage of higher pressures high pressure in high pressure oil rail 1, in high pressure oil rail 1
Hydraulic oil flow flows into valve body 6 inner high voltage through high-pressure oil pipe 2 via the high pressure oil-in having on valve body 6
Oil inlet passage, when Electromagnetic Control air distribution system Electromagnetic Control part 3 is not powered on, control valve back-moving spring 18
Compressing control valve 20 to the second sealed seat surface 22, the high pressure liquid force feed flowed in valve body 6 is pressed into via height
In the ring-shaped chamber that oilhole 23 inflow control valve the 20, second sealed seat surface 22 and valve body 6 are formed, due to
Control valve 20 suffered hydraulic resultant force up and down in this cavity volume is zero, and control valve 20 is still resetted bullet by control valve
Spring 18 is compacted on the second sealed seat surface 22, and now, the first sealed seat surface 21 is opened, high-low pressure through hole
24 connections control chamber 4 and low pressure spill port 25, thus control chamber 4 and fuel tank 14 by oil return pipe 13 connection,
Valve 9 is compacted on valve seating 12 under the spring-force driven dual of valve return springs 8, blow vent 11 with
Cylinder does not connects；Receive from internal-combustion engine electronic control at Electromagnetic Control air distribution system Electromagnetic Control part 3 coil 19
After the control electric current of unit, armature 26 is moved upward by electromagnetic attracting force, pulls control valve 20 fast simultaneously
Speed moves upward, and control valve 20 seals the first sealed seat surface 21, high-low pressure through hole 24 and low pressure spill port 24
Disconnecting, the second sealed seat surface 22 is opened, and high-low pressure through hole 24 connects with high pressure fuel feed hole 23, high pressure oil rail
High pressure liquid force feed in 1 flows through high-pressure oil pipe 2 and flows into control chamber 4, and in controlling chamber 4, pressure raises rapidly, this
Time to control hydraulic coupling suffered by piston 5 intrinsic pressure more than cylinder suffered by the spring force of valve return springs 8 and valve 9
Making a concerted effort of power, controlling piston 5 and move downwardly together with valve 9, valve 9 leaves valve seating 12 and opens,
Blow vent 11 connects with cylinder, opens distribution；At Electromagnetic Control air distribution system Electromagnetic Control part 3 coil
19 again power-off time, electromagnetic force disappear, control valve 20 is under the spring-force driven dual of control valve back-moving spring 18
Moving downward and be again sealed off the second sealed seat surface 22, high-low pressure through hole 24 disconnects with high pressure fuel feed hole 23, the
One sealed seat surface 21 is opened, and controls chamber 4 and is connected with low pressure spill port 25 by high-low pressure through hole 24, control
High pressure liquid force feed in chamber 4 processed flows through high-low pressure through hole 25 and is back to fuel tank 14, and in controlling chamber 4, pressure is fast
Speed declines, valve 9 move upward under the spring-force driven dual of valve return springs 8 be compacted to valve seating 12 and
Close, complete a distribution cyclic process.Shown in Fig. 1, for this utility model for four-cylinder internal combustion engine time
Schematic diagram, can be adjusted flexibly the electricity of this utility model Electromagnetic Control air distribution system according to cylinder of internal-combustion engine number
Magnetic control part 3, control chamber 4, control piston 5, valve body 6, spring base 7, valve return springs 8,
The number of valve 9, shell 10, blow vent 11 and valve seating 12 etc..This utility model uses high pressure oil rail
1 hydraulic oil caused when significantly reducing due to Electromagnetic Control part 3 high speed electromagnetic Vavle switching high-low pressure oil circuit
The valve 9 that pressure oscillation causes opens and closes unstability, it is ensured that air distribution system work reliability and
Concordance；By Electromagnetic Control part 3 high-speed electromagnetic valve control system of switching on or off electricity control valve 20 displacement, it is achieved to height
The break-make of low pressure oil way and the flexible control of uninterrupted, it is possible to achieve different distribution modes, both can root
According to different regulating working conditions valve timings, distribution duration angle can be controlled again flexibly, significantly improve valve 9 and control
Degree of freedom, can improve economy and the engine exhaust of fuel further, is conducive to improving the power of internal combustion engine
Performance.
This utility model Electromagnetic Control air distribution system include high pressure oil rail, high-pressure oil pipe, Electromagnetic Control part,
Control chamber, control piston, valve body, spring base, valve return springs, valve, shell, blow vent,
Valve seating, oil return pipe, fuel tank, filter and high-pressure oil pump.The high pressure oil-in having on valve body is by height
Pressuring oil pipe is connected with high pressure oil rail, and the low pressure oil return opening that valve body has connects fuel tank by oil return pipe.
The first sealed seat surface, the second sealed seat surface, high pressure fuel feed hole, high-low pressure through hole it is respectively designed with on valve body
With low pressure spill port.Control piston is arranged on valve top and also and forms control chamber, spring base between valve body
Being fixed on valve by locating snap ring, valve return springs is pressed between spring base and shell.
Electromagnetic Control part includes electrical connector, control valve back-moving spring, coil, control valve, the first sealing
Seat surface, the second sealed seat surface, high pressure fuel feed hole, high-low pressure through hole, low pressure spill port and armature.Height is pressed into
Oilhole is connected with high pressure oil-in by the high-pressure oil passage on valve body, and low pressure spill port passes through valve body
On low pressure drainback passage be connected with low pressure oil return opening, when control valve is compacted on the second sealed seat surface,
The connection of high-low pressure through hole controls chamber and low pressure spill port, when control valve is compacted on the first sealed seat surface, high
The connection of low pressure through hole controls chamber and high pressure fuel feed hole, and coil is connected with internal-combustion engine electronic control unit by electrical connector,
Armature is fixed in control valve by locating snap ring, and it is close that control valve is compacted to second by control valve back-moving spring
On envelope seat surface.High-pressure oil pipe, Electromagnetic Control part, control chamber, control piston, valve body, spring base,
Valve return springs, valve, shell, blow vent are identical with cylinder of internal-combustion engine quantity with the quantity of valve seating.
Claims (2)
1. Electromagnetic Control air distribution system, is characterized in that: include distribution unit, high pressure oil rail, fuel tank, described
Distribution unit includes valve body, Electromagnetic Control part, controls piston, valve；Described Electromagnetic Control part bag
Include electromagnetic valve body, control valve, electromagnetic valve body and control valve to be respectively positioned in valve body, electromagnetic valve body include valve body,
Coil, armature, coil is wrapped in valve body, and armature is positioned at below valve body, and control valve is connected with armature, control
The upper end of valve processed connects control valve back-moving spring, and the end of control valve back-moving spring withstands in valve body, controls
The middle part of valve arranges bossing, and the width of bossing is wider than the width of its upper and lower adjoining part, lobe
The valve body part at point place arranges bossing chamber, and above bossing, adjoining part and valve body are formed
Oil back chamber, below bossing, adjoining part and valve body form oil suction chamber, and the upper and lower end face of bossing is divided
Do not match with valve body, be the first sealed seat surface with the bossing upper surface place of cooperation in valve body, valve
It is the second sealed seat surface with the bossing lower surface place of cooperation in body；Control piston to be arranged in valve body and position
In the lower section of Electromagnetic Control part, control to be formed between piston and Electromagnetic Control part to control chamber, in valve body
Being respectively provided with high pressure fuel feed hole, low pressure spill port, high-low pressure through hole, high pressure fuel feed hole is respectively communicated with hydraulic oil
Rail and oil suction chamber, low pressure spill port is respectively communicated with fuel tank and oil back chamber, and high-low pressure through hole is respectively communicated with lobe
Sub-chamber and control chamber, control to connect below piston valve, valve be cased with valve return springs, valve end
Valve seating is installed in portion, and shell is arranged on below valve body, and valve seating is positioned at outer side；Described distribution list
The quantity of unit is consistent with the quantity of engine cylinder.
Electromagnetic Control air distribution system the most according to claim 1, is characterized in that: control valve is pressed in second
Time on sealed seat surface, the connection of high-low pressure through hole controls chamber and low pressure spill port；Control valve is pressed in the first seal receptacle
Time on face, the connection of high-low pressure through hole controls chamber and high pressure fuel feed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395028.4U CN205714329U (en) | 2016-05-04 | 2016-05-04 | electromagnetic control air distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620395028.4U CN205714329U (en) | 2016-05-04 | 2016-05-04 | electromagnetic control air distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714329U true CN205714329U (en) | 2016-11-23 |
Family
ID=57331474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620395028.4U Withdrawn - After Issue CN205714329U (en) | 2016-05-04 | 2016-05-04 | electromagnetic control air distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781659A (en) * | 2016-05-04 | 2016-07-20 | 哈尔滨工程大学 | Electromagnetic control air distribution system |
-
2016
- 2016-05-04 CN CN201620395028.4U patent/CN205714329U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781659A (en) * | 2016-05-04 | 2016-07-20 | 哈尔滨工程大学 | Electromagnetic control air distribution system |
| CN105781659B (en) * | 2016-05-04 | 2018-08-17 | 哈尔滨工程大学 | electromagnetic control air distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180817 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180817 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |