CN105156691B - A kind of gas engine gas flow control valve - Google Patents
A kind of gas engine gas flow control valve Download PDFInfo
- Publication number
- CN105156691B CN105156691B CN201510621761.3A CN201510621761A CN105156691B CN 105156691 B CN105156691 B CN 105156691B CN 201510621761 A CN201510621761 A CN 201510621761A CN 105156691 B CN105156691 B CN 105156691B
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- Prior art keywords
- main body
- valve
- gas
- valve element
- flow control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0233—Details of actuators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
- F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Fluid-Driven Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of gas engine gas flow control valve, including main body and the driving source being arranged in main body, fuel gas inlet and gas outlet are offered in main body, the valve and valve element of air tight contact are provided with main body, the space of body interior is divided into inlet plenum and outlet chamber by valve, inlet plenum communicates with fuel gas inlet, outlet chamber communicates with gas outlet, valve element is arranged in valve, the upper end of valve element contacts with driving source fuse moving up and down, the lower end of valve element and one end of spring connect, the other end of spring is connected with the bottom of outlet chamber.The gas flow control valve of the present invention, suitable for all types of gas engines, and gas output size controllable adjustable, continual and steady supply, make that engine operation is more stable, and combustion gas utilization ratio is higher；Life-span is longer, and the demand of peripheral condition is lower than the demand of nozzle, and holistic cost is lower；Securely and reliably, good airproof performance, there is good market application value.
Description
Technical field
The invention belongs to gas engine gas burning system technical field, and in particular to a kind of gas output size it is controllable and
The gas engine gas flow control valve of stability of flow.
Background technology
Natural gas as clean energy resource with its good economy and it is relatively low discharge pollutants, turn into it is automobile-used, peculiar to vessel and
The comparatively ideal substitute fuel of generating set gas engine, is widely applied.But existing gas engine is more
Supplied using gas nozzle, as gas engine gas burning system product key components and parts, domestic market rely primarily on into
Mouth product, general gas engine is electromagnetic type structure with direct-acting fuel gas nozzle, and prior art gas nozzle has
Technical disadvantages are：1st, firing current is big；2nd, the life-span is low；3rd, it is small to go out throughput；4th, use in groups；5th, the factor pair such as makings of combustion gas
Properties of product influence big；6th, poor reliability；7th, outlet is discontinuous；8th, it is high to manufacture use cost.
The content of the invention
Present invention aim to address above mentioned problem, there is provided a kind of high gas engine of reliability is controlled with gas flow
Valve.
In order to solve the above technical problems, the technical scheme is that：A kind of gas engine gas flow control valve,
Including main body and the driving source being arranged in main body, fuel gas inlet and gas outlet are offered in main body, is provided with main body airtight
The space of body interior is divided into inlet plenum and outlet chamber by the valve and valve element of contact, valve, the inlet plenum with
Fuel gas inlet communicates, and outlet chamber communicates with gas outlet, and valve element is arranged in valve, the upper end of valve element and driving source can on move down
Dynamic fuse contact, the lower end of valve element and one end of spring are connected, and the other end of spring is connected with the bottom of outlet chamber.
Preferably, circular seal membrane, the inner circle connection of valve element and seal membrane, seal membrane are provided with the main body
It is cylindrical be connected with the inwall of main body, the seal membrane be located at inlet plenum top.
Preferably, the spring leaf of annular is provided with the main body, valve element is fixedly connected with the inner circle of spring leaf, spring leaf
It is cylindrical to be connected with the inwall of main body.
Preferably, the spring leaf is included respectively positioned at upper spring leaf and the lower spring piece of both sides above and below valve, Ta Menfen
It is not connected with the epimere and hypomere of valve element.
Preferably, be provided with from top to bottom in the main body Shang Gai, it is upper balance lid and lower balance base, Shang Gai, it is upper balance lid,
Lower balance base is annular shape, the Shang Gai and it is upper balance lid the excircle part of upper spring leaf is fixedly clamped, it is upper balance lid and
The excircle part of seal membrane is fixedly clamped by lower balance base, and lower balance base is provided with the through hole of up/down perforation.
Preferably, the main body is provided with pressure sensor and pressure-temperature sensor, and pressure sensor is used for what is detected
One end is located in outlet chamber room, and one end that pressure-temperature sensor is used to detect is located in inlet plenum.
Preferably, the valve element includes joint bolt, core body and the core body seat connected from top to bottom, the upper end of joint bolt
Contacted with the fuse of driving source, core body is arranged in valve, and the lower end of core body seat is connected with spring, the upper surface of core body seat and valve
Air tight contact.
Preferably, the upper end of the joint bolt is provided with steel ball, and steel ball contacts with the fuse of driving source.
Preferably, inlet suction port is provided with the fuel gas inlet of the main body, gas outlet is provided with air outlet adapter.
The beneficial effects of the invention are as follows：Gas engine gas flow control valve provided by the present invention, suitable for each
Type is automobile-used, peculiar to vessel, generating set gas engine, and gas output size controllable adjustable, continual and steady supply, makes hair
Motivation operation is more stable, and combustion gas utilization ratio is higher；Life-span is longer, and the demand of peripheral condition is lower than the demand of nozzle, overall
Cost is lower；Securely and reliably, good airproof performance, there is good market application value.
Brief description of the drawings
Fig. 1 is the normal axomometric drawing of gas engine gas flow control valve of the present invention；
Fig. 2 is Fig. 1 overhead, partial cut-away view；
Fig. 3 is Fig. 1 backsight partial sectional view；
Fig. 4 is that gas flow control valve of the present invention goes out throughput and spool position and driving source current relationship curve
Figure.
Description of reference numerals：1st, driving source；2nd, joint bolt；3rd, upper spring leaf；4th, seal membrane；5th, core body；6th, air inlet
Joint；7th, core body seat；8th, spring；9th, lower spring piece；10th, lower cover；11st, main body；12nd, pressure sensor；13rd, pressure and temp senses
Device；14th, valve；15th, lower balance base；16th, upper balance lid；17th, upper lid；18th, air outlet adapter.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 3, gas engine gas flow control valve of the invention, including main body 11, main body 11 are
The cylinder of up/down perforation, the upper end open of main body 11 is vertically-mounted driving source 1, and lower ending opening seals provided with lower cover 10, main body
Fuel gas inlet and gas outlet are offered in 11 side wall, wherein, the position where fuel gas inlet is higher than where gas outlet
Position, inlet suction port 6 is provided with fuel gas inlet, gas outlet is provided with air outlet adapter 18；Provided with air tight contact in main body 11
Valve 14 and valve element, valve 14 are annular, and the space inside main body 11 is divided into inlet plenum and outlet chamber by valve 14,
Inlet plenum communicates with fuel gas inlet, and outlet chamber communicates with gas outlet, and valve element is arranged in the center of circle of valve 14, valve element 14 with
On same axial line, the upper end of valve element contacts inlet, outlet chamber in main body 11 with 1 fuse moving up and down of driving source,
The lower end of valve element is connected with one end of spring 8, and the other end of spring 8 is connected with the lower cover 10 of outlet cavity bottom, and driving source 1 is wrapped
Current control straight-line electric magnet is included, it is selectable to have voice coil motor, stepper motor etc., by the fuse of driving source 1 to valve element
Driving, so that valve 14 and valve element are formed and opened, fuel gas supply is realized, is changed by the big I for changing valve 14 and valve element
Become the maximum stream flow of outlet.
Circular seal membrane 4 is provided with main body 11, seal membrane 4 is flexible material and can completely cut off combustion gas, valve element with it is close
The inner circle connection of sealer piece 4, the inwall of the cylindrical and main body 11 of seal membrane 4 are connected, and seal membrane 4 is upper located at inlet plenum
Portion, prevent the natural gas of inlet plenum from being leaked by the junction of driving source 1 and main body 11.The spring of annular is provided with main body 11
Piece, there is through hole on spring leaf, valve element is fixedly connected with the inner circle of spring leaf, the inwall phase of the cylindrical and main body 11 of spring leaf
Even, spring leaf includes the upper spring leaf 3 and lower spring piece 9 for being located at valve both sides about 14 respectively, and they are upper with valve element respectively
Section connects with hypomere, and upper spring leaf 3 and lower spring piece 9 mating reaction makes valve element Automatic-searching center so that valve element and valve 14
Between the service life more stable, and that control valve can be extended that is tightly connected.
It is provided with lid 17, upper balance lid 16 and lower balance base 15 on the inwall of main body 11 from top to bottom, it is upper lid 17, upper flat
Weighing apparatus lid 16 and lower balance base 15 are annular shape, and the excircle part of upper spring leaf 3 is fixedly clamped by upper lid 17 and upper balance lid 16,
The excircle part of seal membrane 4 is fixedly clamped by upper balance lid 16 and lower balance base 15, and the lower end of lower balance base 15 is by valve 14
Withstand on the step set in main body 11；Aperture is additionally provided with lower balance base 15 by inlet plenum up/down perforation, holding diaphragm seal
The pressure balance in space and inlet plenum between piece 4 and lower balance base 15, so as to reduce the resistance of motion of valve element.
Main body 11 is provided with pressure sensor 12 and pressure-temperature sensor 13, and pressure-temperature sensor 13 is used for what is detected
One end is located in inlet plenum, and the pressure of inlet chamber indoor fuel gas, temperature signal are inputted host computer by pressure-temperature sensor 13；
One end that pressure sensor 12 is used to detect is located in outlet chamber, and pressure sensor 12 believes the pressure of outlet chamber indoor fuel gas
Number input host computer；Calculating amendment is carried out to the actual mass flow of combustion gas by host computer, reaches more accurate flow control.
Valve element includes joint bolt 2, core body 5 and the core body seat 7 connected from top to bottom, the upper end of joint bolt 2 and driving
The fuse contact in source 1, core body 5 are arranged in valve 14, and the lower end of core body seat 7 is connected with spring 8, the upper surface of core body seat 7 and valve
14 air tight contacts of door；The upper end of joint bolt 2 is provided with steel ball, and steel ball contacts with the fuse of driving source 1, and steel ball hardness is higher, from
And increase the service life, the use optimization camber line design of core body 5, the interval area between core body 5 and valve 14 is with the upper and lower of valve element
Move and linearly increase and decrease, core body seat 7 is made up of polymer composite, and upper surface is provided with flexible gasket, strengthens and valve 14
The air-tightness of contact.
Above-mentioned gas engine is described in further detail with the course of work of gas flow control valve below, with table
Show its operation principle and advantage：
During original state, valve element forms closure in the presence of spring 8 between valve 14, and during energization, driving source 1 starts
Work, band movable valve plug are moved downward, opened so as to be formed between core body seat 7 and valve 14, and combustion gas is entered from inlet suction port 6
Gas chamber, outlet chamber is turned on into by what is formed between core body seat 7 and valve 14, then flowed out by air outlet adapter 18；
During this, the pressure of inlet chamber indoor fuel gas, temperature signal are inputted host computer, pressure sensor by pressure-temperature sensor 13
The pressure signal of outlet chamber indoor fuel gas is inputted host computer by 12, and host computer passes through the pressure between inlet, outlet chamber is calculated
Power difference and combustion gas density, Lift value between core body seat 7 and valve 14 is calculated further according to the current value of driving source, meter
The actual mass flow value by valve is calculated, this value is fed back into host computer and checks whether it is required value, so as to reach
The purpose of accurate control gas outlet mass flow.
Fig. 4 is that gas flow control valve of the present invention goes out throughput and spool position and driving source current relationship curve
Figure, as can be seen that it is positive correlation to drive ource electric current and spool position and go out throughput from figure, throughput need to be such as adjusted out,
Change the position that the control electric current of driving source 1 promotes valve element to the gas quantity needed, after in place, surveyed by pressure sensor 12
Fixed pressure feedback completes the regulation of gas output size.
The gas engine gas flow control valve of the present invention, fired suitable for all types of automobile-used, peculiar to vessel, generating sets
Gas engine, and gas output size controllable adjustable, continual and steady supply, make engine operation more stable, and combustion gas, which utilizes, imitates
Rate is higher；Life-span is longer, and the demand of peripheral condition is lower than the demand of nozzle, and holistic cost is lower；Securely and reliably, sealing
It is good, there is good market application value.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
The specific deformation of kind and combination, these deform and combined still within the scope of the present invention.
Claims (7)
- A kind of 1. gas engine gas flow control valve, it is characterised in that：Including main body (11) and it is arranged on main body (11) On driving source (1), fuel gas inlet and gas outlet are offered in main body (11), the valve of air tight contact is provided with main body (11) (14) and the internal space of main body (11) is divided into inlet plenum and outlet chamber, the inlet plenum by valve element, valve (14) Communicated with fuel gas inlet, outlet chamber communicates with gas outlet, and valve element is arranged in valve (14), the upper end of valve element and driving source (1) fuse contact moving up and down, the lower end of valve element are connected with one end of spring (8), the other end and outlet chamber of spring (8) The bottom connection of room；Valve element includes joint bolt (2), core body (5) and the core body seat (7) connected from top to bottom, joint bolt (2) Upper end contacted with the fuse of driving source (1), core body (5) is arranged in valve (14), the lower end of core body seat (7) with spring (8) even Connect, upper surface and valve (14) air tight contact of core body seat (7), the interval area between core body (5) and valve (14) is with valve element Up and down motion and linearly increase and decrease；Circular seal membrane (4), valve element and seal membrane (4) are provided with the main body (11) Inner circle connection, the inwall of the cylindrical and main body (11) of seal membrane (4) is connected, and the seal membrane (4) is located at inlet plenum Top.
- 2. gas flow control valve according to claim 1, it is characterised in that：The bullet of annular is provided with the main body (11) Reed, valve element are fixedly connected with the inner circle of spring leaf, and the inwall of the cylindrical and main body (11) of spring leaf is connected.
- 3. gas flow control valve according to claim 2, it is characterised in that：The spring leaf includes being located at valve respectively (14) the upper spring leaf (3) and lower spring piece (9) of both sides up and down, they are connected with the epimere and hypomere of valve element respectively.
- 4. gas flow control valve according to claim 3, it is characterised in that：Set from top to bottom in the main body (11) There are upper lid (17), upper balance lid (16) and lower balance base (15), upper lid (17), upper balance lid (16), lower balance base (15) are The excircle part of upper spring leaf (3) is fixedly clamped by annular shape, the upper lid (17) and upper balance lid (16), upper balance lid (16) The excircle part of seal membrane (4) is fixedly clamped with lower balance base (15), lower balance base (15) is provided with the logical of up/down perforation Hole.
- 5. gas flow control valve according to claim 1, it is characterised in that：The main body (11) is provided with pressure sensing Device (12) and pressure-temperature sensor (13), one end that pressure sensor (12) is used to detect are located in outlet chamber room, pressure temperature One end that degree sensor (13) is used to detect is located in inlet plenum.
- 6. gas flow control valve according to claim 1, it is characterised in that：The upper end of the joint bolt (2) is provided with Steel ball, steel ball contact with the fuse of driving source (1).
- 7. gas flow control valve according to claim 1, it is characterised in that：Set at the fuel gas inlet of the main body (11) There is inlet suction port (6), gas outlet is provided with air outlet adapter (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621761.3A CN105156691B (en) | 2015-09-25 | 2015-09-25 | A kind of gas engine gas flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621761.3A CN105156691B (en) | 2015-09-25 | 2015-09-25 | A kind of gas engine gas flow control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156691A CN105156691A (en) | 2015-12-16 |
| CN105156691B true CN105156691B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510621761.3A Active CN105156691B (en) | 2015-09-25 | 2015-09-25 | A kind of gas engine gas flow control valve |
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| CN (1) | CN105156691B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242443B (en) * | 2018-03-07 | 2024-04-02 | 浙江星月实业有限公司 | Dual-purpose engine of oil gas |
| CN109990123A (en) * | 2019-03-12 | 2019-07-09 | 陕西柴油机重工有限公司 | A kind of check-valves of anti-reverse impact and engine pipeline component comprising it |
| CN110953398B (en) * | 2019-12-02 | 2021-08-13 | 厚力德机器（杭州）有限公司 | Vacuum drainage non-electric mechanical micro-air pressure opening structure and using method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19702917A1 (en) * | 1997-01-28 | 1998-07-30 | Pierburg Ag | Valve for exhaust gas piping of IC engine |
| JP5933210B2 (en) * | 2011-09-22 | 2016-06-08 | 株式会社不二工機 | Valve device |
| CN203051865U (en) * | 2012-12-04 | 2013-07-10 | 重庆三鼎通用动力机械有限公司 | Multipurpose combustion gas pressure-reducing valve |
| CN204985752U (en) * | 2015-09-25 | 2016-01-20 | 成都耐尔特科技有限公司 | Gas flow control valve for gas engine |
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2015
- 2015-09-25 CN CN201510621761.3A patent/CN105156691B/en active Active
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| CN105156691A (en) | 2015-12-16 |
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