CN110439712A - A kind of high-pressure gas injection control driving valve, gas injection system and engine - Google Patents

A kind of high-pressure gas injection control driving valve, gas injection system and engine Download PDF

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Publication number
CN110439712A
CN110439712A CN201910858183.3A CN201910858183A CN110439712A CN 110439712 A CN110439712 A CN 110439712A CN 201910858183 A CN201910858183 A CN 201910858183A CN 110439712 A CN110439712 A CN 110439712A
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China
Prior art keywords
valve
control block
gas
gas injection
oil
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Granted
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CN201910858183.3A
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Chinese (zh)
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CN110439712B (en
Inventor
王慧珺
杨丽
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China Shipbuilding Power Engineering Institute Co Ltd
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China Shipbuilding Power Engineering Institute Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/023Valves; Pressure or flow regulators in the fuel supply or return system
    • F02M21/0233Details of actuators therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0245High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248Injectors
    • F02M21/0251Details of actuators therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0293Safety devices; Fail-safe measures
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

The invention belongs to marine engine technical field, a kind of high-pressure gas injection control driving valve, gas injection system and engine are disclosed.Air storing cavity, air storing cavity and external high pressure gas connection are provided in the combustion gas control block of high-pressure gas injection control driving valve;Intake valve is installed in combustion gas control block, and one end of intake valve is connected to air storing cavity, and the other end is connected to the snifting valve in gas injection system;Drive control block is installed on intake valve, and drive control block is connected to external high pressure hydraulic oil;Accumulator connection is set in combustion gas control block, and accumulator is connected to by the 4th oil pipe with drive control block for storing high pressure liquid pressure oil, accumulator;Scavenging air valve is set in combustion gas control block, and scavenging air valve is connected to by oil pipe with accumulator.Being kept completely separate for gas circuit and oil circuit is realized, security performance is improved;By setting combustion gas control block and intake valve, realizes and the function of storage pressure stabilizing and control injection is carried out to gas, it can be achieved that supply gas level pressure is quantitative.

Description

A kind of high-pressure gas injection control driving valve, gas injection system and engine
Technical field
The present invention relates to marine engine technical fields more particularly to a kind of high-pressure gas injection control to drive valve, combustion gas Spraying system and engine.
Background technique
With the sustainable development of global economy, demand of the people to the energy is still being constantly increasing, and current world wide Interior oil shortage and global problem of environmental pollution becomes increasingly conspicuous so that various countries one after another turn to sight using gas as fuel Gas machine and double fuel machine.And fuel gas injection control driving valve directly controls element and just need not set as what gaseous fuel sprayed The doubtful part one of most crucial as gas machine and double fuel machine.Engine spray valve realize injection fuel functional, need according to Driving valve is controlled by fuel gas injection, and high-pressure gas and high pressure liquid pressure oil are provided.
Fuel gas injection control driving valve need to provide high-pressure gas and high pressure liquid pressure oil simultaneously, therefore, avoid at work Air-fuel mixture to avoid danger.High-pressure gas has inflammable and explosive characteristic, will lead to excess when lacking combustion gas protective device Combustion gas sprays into cylinder and causes the safety problems such as detonation.So needing accurately to control fuel gas injection amount in gas injection system.
Summary of the invention
It is an object of the present invention to provide a kind of high-pressure gas injection control drive valve, can stabilizing gas pressure, Gas supply, stable high voltage hydraulic oil and control high pressure liquid Pressure oil feeder are controlled, and is able to achieve Oil-gas Separation.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of high-pressure gas injection control driving valve, comprising:
Combustion gas control block is provided with air storing cavity, the air storing cavity and external high pressure gas connection in the combustion gas control block;
Intake valve is installed in the combustion gas control block, and one end of the intake valve is connected to the air storing cavity, the other end It is connected to the snifting valve in gas injection system;
Drive control block is installed on the intake valve, and the drive control block is connected to external high pressure hydraulic oil;
Accumulator, connection are set in the combustion gas control block, and the accumulator is for storing high pressure liquid pressure oil, the storage Depressor is connected to by oil pipe with the drive control block;
Scavenging air valve is set in the combustion gas control block, and the scavenging air valve is connected to by oil pipe with the accumulator.
It further include the injection valve drive magnetic valve and combustion gas being mounted on the drive control block as optimal technical scheme Injection control drive magnetic valve, the fuel gas injection control drive magnetic valve and the drive control block are connected by internal pipeline Logical, the high pressure liquid pressure oil can circulate in the internal pipeline, the fuel gas injection control drive magnetic valve can with it is described into Air valve is connected to the injection valve drive magnetic valve, and the high pressure liquid pressure oil can drive the intake valve after entering the intake valve It opens, so that the high pressure gas in the air storing cavity flow to the snifting valve;The injection valve drive magnetic valve can drive Injection valve of the high-pressure and hydraulic oil stream into gas injection system.
As optimal technical scheme, oil outlet, one end of the oil outlet are provided on the side wall of the combustion gas control block It is connected to the drive control block, the other end is connected to the injection valve.
Further include gas concentration monitoring assembly as optimal technical scheme, reveals gas concentration for real-time monitoring.
As optimal technical scheme, the gas concentration monitoring assembly includes multiple gas concentrations that each leakage point is arranged in Sensor.
As optimal technical scheme, there are two the scavenging air valve settings, is respectively arranged in the top of the combustion gas control block And lower part, two scavenging air valves pass through the first oil pipe respectively and the second oil pipe is connected to the accumulator.
As optimal technical scheme, it is provided with the first pipe fitting and the second pipe fitting in the combustion gas control block, is located at institute It states and is provided with third pipe fitting on the scavenging air valve on the top of combustion gas control block, the institute positioned at the lower part of the combustion gas control block It states and is provided with the 4th pipe fitting on scavenging air valve, first pipe fitting and the third pipe fitting are connected by first oil pipe It connects, second pipe fitting is connected with the 4th pipe fitting by second oil pipe.
It further include the air inlet pipe connecting flange for being installed on combustion gas control block bottom as optimal technical scheme, it is described High pressure gas is connected by the air inlet pipe connecting flange with the air storing cavity.
It is yet a further object of the present invention to provide a kind of gas injection system, which can realize gas injection The accurate control for the amount of penetrating, it is highly-safe.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of gas injection system, including high-pressure gas injection control as described above drive valve.
Yet another object of the invention is that providing a kind of engine, the usage safety performance of the engine is higher.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of engine, including gas injection system as described above.
Compared with prior art, advantages of the present invention and beneficial effect are:
High-pressure gas injection control provided by the invention drives valve, is provided with air storing cavity in combustion gas control block, air storing cavity with External high pressure gas connection;Intake valve is installed in combustion gas control block, and one end of intake valve is connected to air storing cavity, the other end and combustion Snifting valve connection in gas jet system;Drive control block is installed on intake valve, drive control block and external high pressure hydraulic oil Connection;Accumulator connection is set in combustion gas control block, and accumulator passes through the 4th oil pipe for storing high pressure liquid pressure oil, accumulator It is connected to drive control block;Scavenging air valve is set in combustion gas control block, and scavenging air valve is connected to by oil pipe with accumulator.By above-mentioned Structure realizes being kept completely separate for gas circuit and oil circuit, improves security performance;It is real by setting combustion gas control block and intake valve Show and the function of storage pressure stabilizing and control injection is carried out to gas, it can be achieved that supply gas level pressure is quantitative, has guaranteed safety in utilization.
Gas injection system provided by the invention drives valve, the fuel gas injection including above-mentioned high-pressure gas injection control System can realize the accurate control of fuel gas injection amount, and highly-safe.
Engine provided by the invention, including above-mentioned gas injection system, the usage safety performance of the engine is higher.
Detailed description of the invention
Fig. 1 is that the structure at a visual angle of the high-pressure gas injection control driving valve that the specific embodiment of the invention provides is shown It is intended to;
Fig. 2 is that the structure at another visual angle for the high-pressure gas injection control driving valve that the specific embodiment of the invention provides is shown It is intended to;
Fig. 3 is that the structure at the another visual angle for the high-pressure gas injection control driving valve that the specific embodiment of the invention provides is shown It is intended to;
Fig. 4 is the cross-sectional view for the high-pressure gas injection control driving valve that the specific embodiment of the invention provides;
Fig. 5 is the top view for the high-pressure gas injection control driving valve that the specific embodiment of the invention provides.
In figure:
1, combustion gas control block;11, air storing cavity;12, oil outlet;13, the first pipe fitting;14, the second pipe fitting;15, the 7th Pipe fitting;16, gas outlet;17, the first gas monitoring mouth;18, the second gas monitoring mouth;19, scavenging port;
2, intake valve;
3, drive control block;31, the 5th pipe fitting;32, the 6th pipe fitting;
4, accumulator;
5, scavenging air valve;51, third pipe fitting;52, the 4th pipe fitting;
6, injection valve drive magnetic valve;
7, fuel gas injection controls drive magnetic valve;
8, air inlet pipe connecting flange;81, third gas monitoring mouth.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral;It can be mechanical connection, It can be electrical connection;It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower" It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above " Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of First feature horizontal height is less than second feature.
In the description of the present embodiment, term " on ", "lower", " right side ", etc. orientation or positional relationships be based on shown in attached drawing Orientation or positional relationship, be merely for convenience of description and simplification operation, rather than the device or element of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, Term " first ", " second " are only used to distinguish between description, and have no special meaning.
Present embodiment discloses a kind of high-pressure gas injection control driving valve, has stabilizing gas pressure, control gas The functions such as supply, stable high voltage hydraulic oil and control high pressure liquid Pressure oil feeder, and realize Oil-gas Separation and safeguard protection.
As Figure 1-Figure 5, high-pressure gas injection control driving valve mainly includes combustion gas control block 1, air inlet pipe connection Flange 8, scavenging air valve 5, drive control block 3, accumulator 4, injection valve drive magnetic valve 6, intake valve 2 and fuel gas injection control driving Solenoid valve 7.
Wherein, air inlet pipe connecting flange 8, scavenging air valve 5 and accumulator 4 are mounted in combustion gas control block 1.Specifically, The inner hollow of combustion gas control block 1 has air storing cavity 11, and air inlet pipe connecting flange 8 is installed on the bottom of combustion gas control block 1, outside Portion's high pressure gas is connected by air inlet pipe connecting flange 8 with air storing cavity 11, and extraneous gas enters pressure stabilizing servo after air storing cavity 11 For use.High pressure liquid pressure oil can be stored in accumulator 4, scavenging air valve 5 is used to purge the combustion gas of 1 internal leakage of combustion gas control block, scavenging Valve 5 and accumulator 4 are separately mounted to the side wall of combustion gas control block 1, and accumulator 4 is connected to scavenging air valve 5 by oil pipe.Intake valve 2 are installed on the top of combustion gas control block 1, and are connected with air storing cavity 11.Gas outlet is additionally provided on the side wall of combustion gas control block 1 16, one end of gas outlet 16 is connected with intake valve 2, and the other end is connected with the snifting valve in gas injection system.Driving control Clamp dog 3 is mounted on intake valve 2, and injection valve drive magnetic valve 6 and fuel gas injection control drive magnetic valve 7 are mounted on drive control On block 3.Drive control block 3 is connected to fuel gas injection control drive magnetic valve 7 by internal pipeline, fuel gas injection control driving electricity Magnet valve 7 can be connected to intake valve 2 and injection valve drive magnetic valve 6.Oil outlet 12 is additionally provided on the side wall of combustion gas control block 1, One end of oil outlet 12 is connected to drive control block 3, and the other end is connected to the injection valve in gas injection system.
Once it is more than safety value that leakage gas concentration, which is crossed up to, explosion can be generated by contacting with air.To prevent leakage combustion gas Excessive concentration causes safety problem, and the high-pressure gas injection control driving valve in present embodiment further includes gas concentration monitoring group Part.Gas concentration monitoring assembly includes multiple gas concentration sensors that each leakage point is arranged in.Specifically, combustion gas control block 1 It is equipped with gas monitoring mouth at each leakage point of air inlet pipe connecting flange 8, gas concentration is installed at each gas monitoring mouth and is passed Sensor is used to real-time monitoring gas concentration, improves safety.In the present embodiment, the bottom of combustion gas control block 1 and combustion gas The top of control block 1 is respectively equipped with the first gas monitoring mouth 17 and the second gas monitoring mouth 18, the side wall of air inlet pipe connecting flange 8 On be provided with third gas monitoring mouth 81.
In the present embodiment, there are two the settings of scavenging air valve 5, it is respectively arranged in the upper and lower part of combustion gas control block 1.For Realize being connected to for accumulator 4 and scavenging air valve 5, be respectively arranged with pipe fitting in combustion gas control block 1 and scavenging air valve 5, pipe fitting it Between pass through oil pipe be connected to.Specifically, the upper and lower part of combustion gas control block 1 is respectively arranged with the first pipe fitting 13 and the second pipe Connector 14 is provided with third pipe fitting 51 on the scavenging air valve 5 on the top of combustion gas control block 1, under combustion gas control block 1 The 4th pipe fitting 52 is provided on the scavenging air valve 5 in portion, the first pipe fitting 13 and third pipe fitting 51 pass through the first oil pipe (in figure not Show) it connects, the second pipe fitting 14 is connected with the 4th pipe fitting 52 by the second oil pipe (not shown).Pass through above structure It is arranged, the high pressure liquid pressure oil in accumulator 4 can pass through the first oil pipe and the second oil pipe reaches scavenging air valve 5.
If the leakage combustion gas in combustion gas control block 1 is accumulated to a certain concentration, it may occur that explosion, it is therefore necessary to purge out and leak Combustion gas.In consideration of it, being provided with scavenging port 19 in combustion gas control block 1, scavenging port 19 is connected to scavenging air valve 5.Specifically, by sweeping The leakage combustion gas that air valve 5 purges out is connected to scavenging port 19 by internal air flue, flows out to external treatment by scavenging port 19.
The 5th pipe fitting 31 and the 6th pipe fitting 32 are provided on drive control block 3, the top of combustion gas control block 1 is provided with 7th pipe fitting 15.External high pressure liquid pressure oil enters drive control block 3 from the 5th pipe fitting 31 by third oil pipe.6th pipe Connector 32 is connected with the 7th pipe fitting 15 by the 4th oil pipe, and the high pressure liquid pressure oil in drive control block 3 is arrived by the 4th oil pipe Accumulator 4.
The course of work of the high-pressure gas injection control driving valve in present embodiment is briefly described below.
High pressure liquid pressure oil enters drive control block 3 from the 5th pipe fitting 31, then enters accumulator 4 by the 4th oil pipe In;High pressure liquid pressure oil in accumulator 4 reaches scavenging air valve 5 by the first oil pipe and the second oil pipe, while high pressure liquid pressure oil passes through The internal pipeline of drive control block 3 enters fuel gas injection control drive magnetic valve 7, and fuel gas injection controls drive magnetic valve 7 and receives Access is opened after electric signal, and high pressure liquid pressure oil is made to enter intake valve 2 and injection valve drive magnetic valve 6;High pressure hydraulic oil driver into Air valve 2 acts, and intake valve 2 is opened, and the gas in air storing cavity 11 is flowed out by intake valve 2 from gas outlet 16, goes to fuel gas injection Snifting valve in system provides high-pressure gas for it;After injection valve drive magnetic valve 6 obtains electric signal, in drive control block 3 High pressure liquid pressure oil provides high pressure liquid pressure oil by the injection valve that hydraulic fluid port is gone in gas injection system for it.
The high-pressure gas injection control that present embodiment provides drives valve, and gas flows in combustion gas control block 1, high pressure liquid Pressure oil flows in the first oil pipe, the second oil pipe and the 4th oil pipe, and gas circuit is kept completely separate with oil circuit, avoid air-fuel mixture and because Air-fuel mixture bring is dangerous.Using injection valve drive magnetic valve 6 and the fuel gas injection control this bivalve of drive magnetic valve 7 control Mode realizes the accurate control to fuel gas injection amount, can be avoided excessive combustion gas and the safety such as sprays into cylinder and cause detonation and asks Topic has double protection.Combustion gas control block 1 and intake valve 2, which are realized, carries out storage pressure stabilizing to gas, and directly controls gas Body enters snifting valve to spray, it can be achieved that the level pressure of supply gas is quantitative.By the way that gas concentration monitoring assembly is arranged in leakage point, Can effectively avoid leakage, gas concentration is exceeded explodes.
Present embodiment additionally provides a kind of gas injection system, drives valve including above-mentioned high-pressure gas injection control, The gas injection system can realize the accurate control of fuel gas injection amount, and highly-safe.
Present embodiment additionally provides a kind of engine, and including above-mentioned gas injection system, the use of the engine is pacified Full performance is higher.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention Protection scope within.

Claims (10)

1. a kind of high-pressure gas injection control drives valve characterized by comprising
Combustion gas control block (1), the combustion gas control block (1) is interior to be provided with air storing cavity (11), and the air storing cavity (11) and outside are high Press gas connection;
Intake valve (2) is installed on the combustion gas control block (1), and one end and the air storing cavity (11) of the intake valve (2) are even Logical, the other end is connected to the snifting valve in gas injection system;
Drive control block (3) is installed on the intake valve (2), and the drive control block (3) and external high pressure hydraulic oil connect It is logical;
Accumulator (4), connection are set on the combustion gas control block (1), and the accumulator (4) is used to store high pressure liquid pressure oil, The accumulator (4) is connected to by oil pipe with the drive control block (3);
Scavenging air valve (5) is set on the combustion gas control block (1), and the scavenging air valve (5) passes through oil pipe and the accumulator (4) Connection.
2. high-pressure gas injection control according to claim 1 drives valve, which is characterized in that further include being mounted on the drive Injection valve drive magnetic valve (6) and fuel gas injection control drive magnetic valve (7) on dynamic control block (3), the fuel gas injection control Drive magnetic valve (7) processed is connected to the drive control block (3) by internal pipeline, and the high pressure liquid pressure oil can be in the inside It circulates in pipeline, fuel gas injection control drive magnetic valve (7) can drive electromagnetism with the intake valve (2) and the injection valve Valve (6) connection, the high pressure liquid pressure oil can drive the intake valve (2) to open after entering the intake valve (2), so that described High pressure gas in air storing cavity (11) flow to the snifting valve;The injection valve drive magnetic valve (6) can drive the high pressure Hydraulic oil flow to the injection valve in gas injection system.
3. high-pressure gas injection control according to claim 2 drives valve, which is characterized in that the combustion gas control block (1) Side wall on be provided with oil outlet (12), one end of the oil outlet (12) is connected to the drive control block (3), the other end with The injection valve connection.
4. high-pressure gas injection control according to claim 1 drives valve, which is characterized in that further include gas concentration monitoring Component reveals gas concentration for real-time monitoring.
5. high-pressure gas injection control according to claim 4 drives valve, which is characterized in that the gas concentration monitoring group Part includes multiple gas concentration sensors that each leakage point is arranged in.
6. high-pressure gas injection control according to claim 1 drives valve, which is characterized in that scavenging air valve (5) setting There are two, it is respectively arranged in the upper and lower part of the combustion gas control block (1), two scavenging air valves (5) pass through first respectively Oil pipe and the second oil pipe are connected to the accumulator (4).
7. high-pressure gas injection control according to claim 6 drives valve, which is characterized in that the combustion gas control block (1) On be provided with the first pipe fitting (13) and the second pipe fitting (14), be located at the combustion gas control block (1) top the scavenging It is provided with third pipe fitting (51) on valve (5), is located on the scavenging air valve (5) of the lower part of the combustion gas control block (1) and is arranged There is the 4th pipe fitting (52), first pipe fitting (13) is connected with the third pipe fitting (51) by first oil pipe, Second pipe fitting (14) is connected with the 4th pipe fitting (52) by second oil pipe.
8. high-pressure gas injection control according to claim 3 drives valve, which is characterized in that further include being installed on the combustion The air inlet pipe connecting flange (8) of gas control clamp dog (1) bottom, the high pressure gas pass through the air inlet pipe connecting flange (8) and institute Air storing cavity (11) is stated to be connected.
9. a kind of gas injection system, which is characterized in that including the described in any item high-pressure gas injection controls of such as claim 1-8 System driving valve.
10. a kind of engine, which is characterized in that including gas injection system as claimed in claim 9.
CN201910858183.3A 2019-09-11 2019-09-11 High-pressure gas injection control driving valve, gas injection system and engine Active CN110439712B (en)

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CN1605741A (en) * 2004-11-12 2005-04-13 原泽 Hybrid power system using cleaning fuel
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CN210460898U (en) * 2019-09-11 2020-05-05 中船动力研究院有限公司 High-pressure gas injection control driving valve, gas injection system and engine

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* Cited by examiner, † Cited by third party
Title
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