CN200964899Y - General mini gas engine electrically-controlled adjustment type gas mixer - Google Patents
General mini gas engine electrically-controlled adjustment type gas mixer Download PDFInfo
- Publication number
- CN200964899Y CN200964899Y CN 200620047735 CN200620047735U CN200964899Y CN 200964899 Y CN200964899 Y CN 200964899Y CN 200620047735 CN200620047735 CN 200620047735 CN 200620047735 U CN200620047735 U CN 200620047735U CN 200964899 Y CN200964899 Y CN 200964899Y
- Authority
- CN
- China
- Prior art keywords
- gas
- air
- diaphragm
- blast tube
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to a general small-type gas engine electric-control adjusting gas mixer which is characterized in that the utility model consists of a mixing device of air and gas, an electric control device, a starting and safety air stopping device and a gas pressure control device; the stepping motor of the electric control device is arranged on the upper part of the mixing device of the air and the gas and is connected with the throttle of the mixing device of the air and the gas; the gas inlet pipe of the mixing device of the air and the gas is connected with the gas passage of the starting and safety air stopping device; the outlet of the mixing gas at one side of the mixing device of the air and the gas is connected with the air inlet of the cylinder of the engine; the other side is provided with an air inlet; the gas passage of the starting and safety air stopping device is connected with the stabilivolt of the gas pressure control device whose gas inlet nozzle is connected with the environmental gas source. The utility model has the advantages of that the gas ratio between the air and the gas under full work condition is perfect, the air supply quantity is precise, the rotation speed of the engine is stable, the cost is moderated, the usage is convenient, safe and reliable, and the utility model is suitable for a plurality of gas types and a plurality of gas source users.
Description
Technical field
The utility model relates to the automatically controlled regulating type gas mixer of a kind of general small-size gas engine, the mixed gas that relates in particular to a kind of automatically controlled automatic adjusting air and combustion gas mixing ratio forms device, can be used as the power on the equipment such as generator set, belong to the gas mixer technical field.
Background technique
At present, the general small-size motor of developing, manufacturing nearly all adopts petrol engine and diesel engine two class types both at home and abroad, under the environment of worldwide petroleum resources critical shortage, national governments all actively advocate and promote the use of clean energy resourcies such as rock gas, and the design of gas engine, exploitation and extensive use have become historical certainty.After the China joined WTO, the machine-building processing industry has special advantages, and the gas resource of many countries and regions is very abundant, to being in great demand of gas engine, will quicken the development of mini engine.The key of development gas engine is exactly the mixed gas formation device of air and combustion gas, and promptly gas mixer is imperative.
Summary of the invention
The purpose of this utility model provides a kind of safe and reliable control combustion gas, accurately realize the optimal air-fuel ratio of air and combustion gas mixing, satisfy the full operating mode of motor interior air and combustion gas stoichiometric(al), the fluctuation of speed is little, air demand is accurate, simple and practical, cost is moderate, be easy to make, the automatically controlled regulating type gas mixer of general small-size gas engine easy to use.
For realizing above purpose, the technical solution of the utility model provides the automatically controlled regulating type gas mixer of a kind of general small-size gas engine, it is characterized in that, mixing arrangement by air and combustion gas, electric controller, start and safe gas stopping device, the gaseous-pressure control gear is formed, the stepper motor of electric controller places the top of air and gas mixing unit, be connected with the closure of air with the mixing arrangement of combustion gas, air is connected with the blast tube of startup and safe gas stopping device with the gas inlet pipe of gas mixing unit, air is connected with the engine cylinder-body suction port with the mixed gas outlet of mixing arrangement one side of combustion gas, opposite side is provided with air inlet, the blast tube of startup and safe gas stopping device is connected with the voltage-stabiliser tube of gaseous-pressure control gear, and the combustion gas air inlet nozzle of gaseous-pressure control gear is connected with extraneous gas source.
The utility model is for realizing air and combustion gas proportioning ideal in the full operating mode of motor, and engine speed is stable, and accurately supplies with gas quantity, has adopted air and fuel gas mixture to form device and automatically controlled controlling device; For preventing gas leakage, adopted a cover to start and safe gas stopping device; In order to be suitable for different components, the source of the gas of different pressures has adopted a cover gaseous-pressure control gear, through the gaseous-pressure control gear, combustion gas enters and starts and safe gas stopping device, and this device is an opening state when engine operation, is closed condition when motor quits work.Combustion gas is inhaled into the mixed gas that the trunnion place can form air and combustion gas with the air that is inhaled into, and satisfies the use of motor.The required electrical signal of stepper motor in the automatically controlled controlling device is provided by controller, controller offers outside electric consumer after can adjusting the output power of generator again, according to the demand size of outside electric consumer to generated output power, controller feeds back to stepper motor to electrical signal, rotation by stepper motor drives throttle system and moves and regulate mixed gas delivery volume size, make motor stabilization of speed under ideal air-fuel ratio, guarantee that the output power of generator and the watt level of electric consumer are complementary.
The utility model has the advantages that motor air and combustion gas proportioning ideal in full operating mode, air demand is accurate, engine speed is stable, cost is moderate, esy to use, safe and reliable, applicable to multiple combustion gas type and different source of the gas users.
Description of drawings:
Fig. 1 is the automatically controlled regulating type gas mixer structural representation that is used for the general small-size gas engine;
Fig. 2 is air and gas mixing unit structural representation;
Fig. 3 is closure trunnion and suction tude spray orifice full closing state schematic representation;
Fig. 4 is closure trunnion and suction tude spray orifice part opening state schematic representation;
Fig. 5 is the whole opening state schematic representation of closure trunnion and suction tude spray orifice;
Fig. 6,7 is the electric controller schematic representation;
Fig. 8 is for starting and the safe gas stopping device structural representation;
Fig. 9,10 is a gaseous-pressure control gear structural representation.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 1, be the automatically controlled regulating type gas mixer of general small-size gas engine structural representation, the automatically controlled regulating type gas mixer of described general small-size gas engine is by the mixing arrangement 31 of air and combustion gas, electric controller 32, start and safe gas stopping device 33, gaseous-pressure control gear 34 is formed, the stepper motor 35 of electric controller 32 is installed in the top of air and gas mixing unit 31, be connected with the closure 3 of air with the mixing arrangement 31 of combustion gas, air is connected with the blast tube 12 of startup and safe gas stopping device 33 with the gas inlet pipe 7 of gas mixing unit 31, air is connected with the engine cylinder-body suction port with the mixed gas outlet 8 of mixing arrangement 31 1 sides of combustion gas, opposite side is provided with air inlet 2, the blast tube 12 of startup and safe gas stopping device 33 is connected with the voltage-stabiliser tube 28 of gaseous-pressure control gear 34, and the combustion gas air inlet nozzle 29 of gaseous-pressure control gear 34 is connected with extraneous gas source.
As shown in Figure 2, be air and gas mixing unit structural representation, described air and fuel gas mixture form device, it is by housing 1, air inlet 2, closure 3, venturi 4, main nozzle 5, main jet 6, gas inlet pipe 7, mixed gas outlet 8 is formed, the air intlet 2 of housing 1 one sides communicates with ambient atmosphere, the opposite side of housing 1 is provided with mixed gas outlet 8, between air intlet 2 and mixed gas outlet 8, be provided with venturi 4, central vertical at venturi 4 is provided with gas inlet pipe 7, closure 3 places the upper end of gas inlet pipe 7, middle and lower end is respectively equipped with idle metering jet 7-1, spray orifice 7-2 and main jet 6, the bottom is provided with main nozzle 5.
When air produces suction when venturi 4 flows, combustion gas flows into venturi 4 from idle metering jet 7-1 and gas inlet pipe 7 after main nozzle 5 sucks, form inflammable mixture with air mixing, increase along with air velocity, combustion gas is inhaled into many more, make air and combustion gas proportioning in the full operating mode of motor, all be in perfect condition by stepper motor 35 drive closures 3 rotations change blast tubes 7 and venturi 4 cross-sectional sizes how much to regulate air-fuel mixture amount, to reach.
As Fig. 3,4, shown in 5, be closure trunnion and suction tude spray orifice different conditions schematic representation, closure trunnion and closure are fixed as integral body, rotate with closure 3, the gas quantity that enters gas inlet pipe 7 is flowed out by idle metering jet 7-1 and spray orifice 7-2, closure trunnion 3-1 is enclosed within gas inlet pipe 7 outsides, when closure trunnion 3-1 rotates with closure, the change of combustion gas through hole on the closure trunnion 3-1 and suction tude spray orifice 7-2 relative position can change the size in blast tube cross section, and then the supply of change combustion gas, Fig. 3 is closure trunnion and suction tude spray orifice full closing state schematic representation, Fig. 4 is closure trunnion and suction tude spray orifice part opening state schematic representation, and Fig. 5 is the whole opening state schematic representation of closure trunnion and suction tude spray orifice.
Shown in Fig. 6,7, be the electric controller schematic representation, described electric controller 32 is made up of controller 35, stepper motor 36, main shaft driving lever 37, spring 38, closure driving lever 39, controller 35 is connected with stepper motor 36, and the main shaft driving lever 37 of stepper motor 36 is connected with the closure driving lever 39 of closure 3 by spring 38.
The power signal Out let is fixed on the controller 35, be convenient to link to each other with external electric equipment, the SC sigmal control circuit of controller communicates with stepper motor 36, convert to high-quality after the arrangement of the output power signal via controller 35 of stepper motor 36, and the output terminal of the power signal slave controller 35 that is complementary with outside electric consumer watt level output, satisfy the reasonable demand of external electric equipment to electricity, controller 35 provides the action electrical signal for stepper motor, stepper motor 36 main shaft driving levers 37 rotate together, promoting closure driving lever 39 through spring 38 rotates, can change closure 3 aperture sizes, and then control enter cylinder air-fuel mixture amount, reach the stable purpose of engine speed, stepper motor main shaft driving lever 37 moment of rotation are pressed onto on the spring 38, promote closure driving lever 39 through spring 38, be in order to absorb the impact moment that main shaft driving lever 37 rotates closure driving lever 39 with spring 38, when shortening closure 3 and being rotated by stepper motor 36 main shaft drives to response time of stepper motor 36 main shaft amounts of rotation, guarantee the accuracy of 36 pairs of engine governed speeds of stepper motor, stability makes engine speed highly stable.
As shown in Figure 8, for starting and the safe gas stopping device structural representation, must guarantee strict sealing when using combustion gas, danger appears in order to avoid produce gas leakage, for this reason, adopt a cover to start and safe gas stopping device, described startup and safe gas stopping device 33 are by housing 9, guide pin bushing 10, envelope gas column 11, blast tube 12,13, upper diaphragm chamber 14, diaphragm 15, lower membrane chamber 16, spring 17, spring seat 18, negative pressure hole 19, gross blow hole 20 is formed, blast tube 12 is vertically opened the centre at housing 9, guide pin bushing 10 is installed in the blast tube 12, envelope gas column 11 moving up and down is installed in the guide pin bushing 10, blast tube 12 1 sides have blast tube 13, blast tube 13 lower ends have upper diaphragm chamber 14 and lower membrane chamber 16, diaphragm 15 is installed between upper diaphragm chamber 14 and the lower membrane chamber 16, diaphragm 15 upper ends are connected with envelope gas column 11, lower end mounting spring 17 and spring seat 18, upper diaphragm chamber 14 is connected with the gross blow hole of opening in housing 9 20, gross blow hole 20 is connected with outside atmosphere, lower membrane chamber 16 is connected with the negative pressure hole of opening in housing 9 19, and negative pressure hole 19 is connected with outside atmosphere.
The vacuum that produces during engine running reaches lower membrane chamber 16 through negative pressure hole 19, diaphragm 15 is inhaled down, it is descending along guide pin bushing 10 endoporus that diaphragm 15 drives envelope gas column 11, make combustion gas 12 and 13 conductings, combustion gas is by passage 13 flow channels 12, flow in the main jet and suction tude 7 of main nozzle 6 by passage 12 again, when motor does not turn round, motor does not produce vacuum, under the effect of spring 17, promote diaphragm 15 and envelope gas column 11 along horizontal reset on guide pin bushing 10 endoporus, close blast tube 12, combustion gas can not enter venturi 4, just can not produce gas leakage.
Shown in Fig. 9,10, be gaseous-pressure control gear structural representation, the function of this device is that the gaseous-pressure that ensures to motor and provide can be stabilized in a very little excursion, and can regulate and control the requirement of gaseous-pressure according to the different displacements motor.Described gaseous-pressure control gear is by housing 21; rocker arm body 22; gaseous-pressure control diaphragm 23; spring 24; lower shell body 25; pressure regulating screw 26; locking nut 27; plenum 28; combustion gas air inlet nozzle 29; gas outlet hole 30 is formed; plenum 28 is located at the centre of housing 21; upper end of plenum 28 connects blast tube 13; constitute the open and close type passage with the upper end blast tube 12 of startup and safe gas stopping device 33; lower end of plenum 28 is provided with gaseous-pressure control diaphragm 23; pressure regulating spring 24 is by pressure regulating screw 26; locking nut 27; lower shell body 25 is fixed in the lower end of gaseous-pressure control diaphragm 23; upper end of diaphragm 23 is provided with rocker arm body 22, and plenum 28 is provided with combustion gas air inlet nozzle 29 and gas outlet hole 30.
During work, combustion gas enters plenum 28 from combustion gas air inlet nozzle 29, enter the variation of gaseous-pressure in the plenum 28, can cause the action of gaseous-pressure control diaphragm 23, and then the action of drive rocker arm body 22, change the aperture size of rocking arm one side and gas outlet 30, to realize the pressure in adjusting and the stable plenum 28, satisfy the requirement of motor to gaseous-pressure, combustion gas is by passage 13 flow channels 12, flow in the main jet and suction tude 7 of main nozzle 6 by passage 12 again, combustion gas flows into venturi 4 from idle metering jet 7-1 and gas inlet pipe 7 after main nozzle 5 sucks, form inflammable mixture with air mixing, increase along with air velocity, combustion gas is inhaled into many more, makes air and combustion gas proportioning all be in perfect condition by stepper motor 35 drive closures 3 rotations change blast tubes 7 and venturi 4 cross-sectional sizes in the full operating mode of motor how much to regulate air-fuel mixture amount, to reach.
Claims (5)
1. automatically controlled regulating type gas mixer of general small-size gas engine, it is characterized in that, mixing arrangement (31) by air and combustion gas, electric controller (32), start and safe gas stopping device (33), gaseous-pressure control gear (34) is formed, the stepper motor (36) of electric controller (32) places the top of air and gas mixing unit (31), be connected with the closure (3) of air with the mixing arrangement (31) of combustion gas, air is connected with the blast tube (12) of startup and safe gas stopping device (33) with the gas inlet pipe (7) of gas mixing unit (31), air is connected with the engine cylinder-body suction port with the mixed gas outlet (8) of mixing arrangement (31) one sides of combustion gas, opposite side is provided with air inlet (2), and the blast tube (13) of startup and safe gas stopping device (33) is connected with the voltage-stabiliser tube (28) of gaseous-pressure control gear (34).
2. the automatically controlled regulating type gas mixer of general small-size gas engine according to claim 1, it is characterized in that, the mixing arrangement of described air and combustion gas (31) is by housing (1), air inlet (2), closure (3), venturi (4), main nozzle (5), main jet (6), gas inlet pipe (7), mixed gas outlet (8) is formed, the air intlet (2) of housing (1) one side communicates with ambient atmosphere, the opposite side of housing (1) is provided with mixed gas outlet (8), between air intlet (2) and mixed gas outlet (8), be provided with venturi (4), central vertical at venturi (4) is provided with gas inlet pipe (7), closure (3) places the upper end of gas inlet pipe (7), middle and lower end is respectively equipped with idle metering jet (7-1), spray orifice (7-2) and main jet (6), the bottom is provided with main nozzle (5).
3. the automatically controlled regulating type gas mixer of general small-size gas engine according to claim 1, it is characterized in that, described electric controller (32) is made up of controller (35), stepper motor (36), main shaft driving lever (37), spring (38), closure driving lever (39), controller (35) is connected with stepper motor (36), and the main shaft driving lever (37) of stepper motor (36) is connected with the closure driving lever (39) of closure (3) by spring (38).
4. the automatically controlled regulating type gas mixer of general small-size gas engine according to claim 1, it is characterized in that, described startup and safe gas stopping device (33) are by housing (9), guide pin bushing (10), envelope gas column (11), blast tube (12,13), upper diaphragm chamber (14), diaphragm (15), lower membrane chamber (16), spring (17), spring seat (18), negative pressure hole (19), gross blow hole (20) is formed, blast tube (12) is vertical at the centre of housing (9), guide pin bushing (10) is located in the blast tube (12), envelope gas column moving up and down (11) is located in the guide pin bushing (10), blast tube (12) one sides are provided with blast tube (13), blast tube (13) lower end is provided with upper diaphragm chamber (14) and lower membrane chamber (16), diaphragm (15) is located between upper diaphragm chamber (14) and the lower membrane chamber (16), diaphragm (15) upper end is connected with envelope gas column (11), be provided with spring (17) and spring seat (18) in diaphragm (15) lower end, upper diaphragm chamber (14) is connected with gross blow hole (20), and lower membrane chamber (16) is connected with negative pressure hole (19).
5. the automatically controlled adjustable type gas mixer of universal small size gas engine according to claim 1; It is characterized in that; Described gaseous-pressure control device (34) is by housing (21); Rocker arm body (22); Gaseous-pressure control diaphragm (23); Spring (24); Lower house (25); Pressure regulating screw (26); Locking nut (27); Pressure stabilizing chamber (28); Gas inlet mouth (29); Gas outlet hole (30) forms; Pressure stabilizing chamber (28) is located at the centre of housing (21); The upper end of pressure stabilizing chamber (28) connects blast tube (13); Consist of the open and close type passage with the upper end blast tube (12) of startup and safe gas stopping device (33); The lower end of pressure stabilizing chamber (28) is provided with gaseous-pressure control diaphragm (23); Pressure regulating spring (24) is by pressure regulating screw (26); Locking nut (27); Lower house (25) is fixed in the lower end of gaseous-pressure control diaphragm (23); The upper end of diaphragm (23) is provided with rocker arm body (22), and pressure stabilizing chamber (28) is provided with gas inlet mouth (29) and gas outlet hole (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620047735 CN200964899Y (en) | 2006-11-13 | 2006-11-13 | General mini gas engine electrically-controlled adjustment type gas mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620047735 CN200964899Y (en) | 2006-11-13 | 2006-11-13 | General mini gas engine electrically-controlled adjustment type gas mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200964899Y true CN200964899Y (en) | 2007-10-24 |
Family
ID=38868914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620047735 Expired - Lifetime CN200964899Y (en) | 2006-11-13 | 2006-11-13 | General mini gas engine electrically-controlled adjustment type gas mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200964899Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464318A (en) * | 2021-08-23 | 2021-10-01 | 浙江瑞星化油器制造有限公司 | Full-electric control gas mixer |
-
2006
- 2006-11-13 CN CN 200620047735 patent/CN200964899Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464318A (en) * | 2021-08-23 | 2021-10-01 | 浙江瑞星化油器制造有限公司 | Full-electric control gas mixer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU568598B2 (en) | Apparatus and method, including control valve, for dual fuel operation of an internal combustion engine | |
| CN200964899Y (en) | General mini gas engine electrically-controlled adjustment type gas mixer | |
| CN207393343U (en) | Power modified form diaphragm type carburator | |
| CN113279862B (en) | Multi-fuel mixer control system and multi-fuel engine | |
| CN107461280B (en) | Dynamic improved diaphragm carburetor | |
| CN102828854B (en) | Simple starting carburetor | |
| CN2830672Y (en) | Gas mixer for general small verticle shaft outputting gas combustion engine | |
| CN204386766U (en) | The step motion control choke of Carburetor | |
| CN102536477A (en) | Multi-fuel multi-rail type engine fuel supply control system and control method thereof | |
| CN201003438Y (en) | General minisize gas engine gas mixer | |
| CN206694123U (en) | A kind of throttle body of non-rice habitats ignition internal combustion engine electric injection system | |
| CN201574843U (en) | Multi-purpose oil/gas carburetor | |
| CN106401797A (en) | Novel electromobile stroke increasing power generating power diaphragm type carburetor | |
| CN201280983Y (en) | Fuel conveying device for small-sized gas engine | |
| CN201221415Y (en) | Air controlling and metering mechanism of electric spraying type engine | |
| CN205805759U (en) | A kind of carburetor automatically control choke | |
| CN202851195U (en) | Gas supplying system for motor | |
| CN201794681U (en) | Automatic gas pressure regulator | |
| CN220487734U (en) | Butterfly valve type electronic gas flow control three-fuel supply system | |
| CN201461143U (en) | Regulating valve for gas internal combustion engine | |
| CN205117543U (en) | Automatically controlled gas mixing arrangement of thickened degree | |
| CN201090320Y (en) | Economizing valve of carburetor for motorcycle | |
| CN217501805U (en) | Universal gasoline engine and electronic injection throttle valve and multi-fuel control device thereof | |
| CN213899135U (en) | Diaphragm type carburetor | |
| CN2499595Y (en) | Integrated gas supply device for IC engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071024 |
|
| EXPY | Termination of patent right or utility model |