CN103277214A - Efficient self-adaptive gas device of gas engine - Google Patents
Efficient self-adaptive gas device of gas engine Download PDFInfo
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- CN103277214A CN103277214A CN2013101770555A CN201310177055A CN103277214A CN 103277214 A CN103277214 A CN 103277214A CN 2013101770555 A CN2013101770555 A CN 2013101770555A CN 201310177055 A CN201310177055 A CN 201310177055A CN 103277214 A CN103277214 A CN 103277214A
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- 239000000446 fuel Substances 0.000 claims abstract description 56
- 230000001105 regulatory effect Effects 0.000 claims abstract description 56
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 110
- 239000000567 combustion gas Substances 0.000 claims description 50
- 239000000428 dust Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The invention belongs to the technical field of gas engines, and discloses an efficient self-adaptive gas device of a gas engine. The efficient self-adaptive gas device of the gas engine comprises an air chamber, a pressure regulating chamber, a mixing chamber, gas pipes and a combined regulating disc. The air chamber is communicated with an air inlet, the mixing chamber is provided with a mixed gas outlet capable of being connected with an engine, and the air chamber and the mixing chamber are opened and closed through the combined regulating disc. The device is mounted on the air inlet portion of the engine, can provide mixed gas for the engine according to optimum air inflow and optimum air-fuel mixing ratio needed by the engine in an air suction stage, and therefore combustion efficiency is improved by 20% to 30% compared with a traditional gas device. Due to the fact that the device is provided with a CNC control system, the combustion efficiency can be further improved by 10%. The device has the advantage of self-adaption, and therefore when air supply pressure is instable and fluctuates, the device can carry out self-adaptive regulation to maintain mixed gas to be output stably. In addition, due to the fact that the device is of an annular large-channel design structure, the device can adapt to impure gas or gas with large dust load or poor quality.
Description
Technical field
The invention belongs to the gas engine technical field, be specifically related to the efficient self-adapted gas combustion apparatus of a kind of gas engine.
Background technique
Existing gas combustion apparatus generally adopts pressure reducing regulator and mixer to form (venturi or proportion expression), this gas combustion apparatus, combustion gas for steady pressure can mix with air after the decompression voltage stabilizing more accurately in proportion, gas concentration remains unchanged substantially, can provide comparatively stable mixed gas for motor.The problem that these gas combustion apparatus exist is: 1. can not provide combination gas according to the air inlet demand of motor, the direct result that causes is exactly the efficient reduction of mixture combustion; 2. the unstable timing device of inlet air source can not be adjusted air demand and air inlet proportions of ingredients automatically, and the direct result that causes shakes exactly or dead fire is shut down; 3. the big or not high fuel of quality for unclean, dust loading, conventional apparatus is very responsive, can not stable operation, and then cause maximum discharge and high oil consumption.
Summary of the invention
The technical problem that the present invention mainly solves is that existing gas combustion apparatus can not provide mixed gas according to the demand of motor, can not guarantee the stability of mixed gas.Also solve the supply unstable problem of low-rank fuel.
In order to solve the problems of the technologies described above, the invention provides following technological scheme: the efficient self-adapted gas combustion apparatus of gas engine comprises air cavity, pressure regulating cavity, mixing chamber, fuel tube and combination adjustment disk, air cavity is communicated with air inlet, mixing chamber is provided with the mixed gas delivery outlet that can be connected with motor, and air cavity and mixing chamber open and close by the combination adjustment disk; Described combination adjustment disk comprises diskware, diaphragm, platen, fastening piece, diskware is columniation structure ringwise, the diskware upper-end surface connects the diaphragm of keeping dynamically balanced air pressure, diaphragm is isolated pressure regulating cavity and air cavity, the upper-end surface of diaphragm connects platen, and diskware, diaphragm, platen are fixed as a whole by fastening piece, and the platen upper-end surface is provided with spring, the other end of spring is provided with adjusting element, and adjusting element is connected with the chamber wall of pressure regulating cavity; Be provided with fuel tube and the vent that can supply combustion gas to enter in the internal cavities of described diskware, vent is communicated with pressure regulating cavity and mixing chamber; Diskware outer surface and mixing chamber inwall form the air passageways that enters mixing chamber for air, and the outer wall of diskware internal surface and fuel tube forms the blast tube that enters mixing chamber for combustion gas.
Adopt technique scheme, among the present invention, air cavity is communicated with air inlet, makes air enter air cavity by air inlet, and diskware outer surface and mixing chamber inwall form the air passageways that enters mixing chamber for air simultaneously, and air enters the mixing chamber from air passageways.Because diskware is the annulus columniation structure, so air passageways also forms the passage that is similar to annular, guarantee that air evenly feeds mixing chamber, just guarantee that also air evenly distributes in mixing chamber.
Combustion gas is from the fuel tube input of diskware inside, the blast tube that forms from the outer wall of diskware internal surface and fuel tube enters the mixing chamber, diskware is the annulus columniation structure simultaneously, so blast tube also forms the passage that is similar to annular, guarantee that combustion gas evenly feeds mixing chamber, just guarantee that also combustion gas evenly distributes in mixing chamber.
Air, combustion gas all evenly enter in mixing chamber ringwise, so can evenly mix, enter engine intake again.Guarantee the concentration of mixed gas by said structure, reached the stability of mixed gas.Because the gap, annular pass is bigger, low-quality combustion gas also can normally feed, the work of provisioning engine simultaneously.
Motor is in expiratory phase, because " vacuumizing " effect, in mixing chamber, can produce " negative pressure ", air in the pressure regulating cavity arranges the vent that is communicated with pressure regulating cavity, mixing chamber by diskware inside and enters mixing chamber, meanwhile the pressure in the pressure regulating cavity sharply reduces, causing diskware to promote spring moves up, force diskware outer surface and mixing chamber inwall to form the air passageways area increase that enters mixing chamber for air, the blast tube area that the outer wall of diskware internal surface and fuel tube forms increases, and the air and the combustion gas while equal proportion that enter in the mixing chamber increase.Negative pressure is more big, and the air and the combustion gas that enter mixing chamber are more many, and negative pressure is more little, and the air and the combustion gas that enter mixing chamber are more few.Can carry out " self adaption " and regulate according to the demand of motor by said structure.
In addition, the moving up of diskware will drive whole combination adjustment disk and move up, and guarantees that the gas in air cavity, the fuel tube enters in the mixing chamber simultaneously; Wherein diskware moves down, and drives whole combination adjustment disk and moves down, and makes the upper end of diskware complete closed fuel tube, and air cavity and mixing chamber complete closed have only the gas in the pressure regulating cavity can enter mixing chamber.Thereby reach the keying purpose of combination adjustment disk.
Further, the combination adjustment disk also comprises guide rod and the guide sleeve that is positioned at pressure regulating cavity inside, and guide rod one end connects platen, and guide rod and guide sleeve are slidingly matched, and the top of guide sleeve is connected with the chamber wall of pressure regulating cavity.When diskware moves up, by being slidingly matched between guide rod and the guide sleeve, guarantee the movement direction of diskware with above-mentioned structure, prevent from vibrating, waving owing to the eddy current that the air in the air cavity produces, prevent scratch and the collision of component.
Further, the entrance of air inlet, fuel tube and mixed gas delivery outlet are equipped with the rotary valve of adjustments of gas size, can pass through rotary valve, regulate the inlet that the angle between rotary valve and the port is regulated air, combustion gas, the discharge capacity that can also regulate mixed gas in the mixing chamber.
Further, also comprise CNC control system, air pick-up transducers, mixed gas pick-up transducers, first actuating motor, second actuating motor and the 3rd actuating motor.The CNC control system is connected with air pick-up transducers, mixed gas pick-up transducers, first actuating motor, second actuating motor and the 3rd actuating motor respectively, the air pick-up transducers is arranged in the air cavity, the mixed gas pick-up transducers is arranged in the mixing chamber, first actuating motor is arranged on the fuel tube place, second actuating motor is arranged on the air inlet place, and the 3rd actuating motor is arranged on the mixed gas delivery outlet of mixing chamber.Control the air of whole device, the amount of feed of combustion gas by the CNC system, the output quantity of mixed gas in the mixing chamber.Control mode is: the air pick-up transducers is with pressure, temperature, the composition of air in the air cavity, the mixed gas pick-up transducers is gathered relevant parameters such as composition, pressure in the mixing chamber, after collection is finished, all parameters are passed to the CNC system, by its analysis, compare with canonical parameter, carry out and send instruction to first actuating motor, second actuating motor and the 3rd according to need of work, make first actuating motor, second actuating motor and the 3rd actuating motor according to the instruction action, make its parameter that is near the mark.Can gather relevant parameter at any time at the needs of motor by above-mentioned structure, convenient monitoring and accurately adjustment reach higher combustion efficiency.
Further, diskware is provided with guiding piece radially, leads in the process that diskware moves.
Further, fuel tube is provided with guiding piece radially, when combustion gas is exported, prevent fuel tube vibration, wave, prevent scratch and the collision of component.
Further, the air inlet place is provided with air filter, the air that enters in the air cavity can be filtered, and makes air reach certain degree of purity.
Further, described mixing chamber is provided with the micrometer adjusting screw of regulating the air inlet, and the air in air cavity is inadequate, but the volume of air that needs is not for a long time, can accurately regulate air inlet in the mixing chamber by micrometer adjusting screw.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the efficient self-adapted gas combustion apparatus embodiment's 1 of gas engine of the present invention structural representation;
Fig. 2 is the efficient self-adapted gas combustion apparatus embodiment's 1 of gas engine of the present invention plan view;
Fig. 3 is the efficient self-adapted gas combustion apparatus embodiment's 2 of gas engine of the present invention structural representation;
Fig. 4 is the efficient self-adapted gas combustion apparatus embodiment's 2 of gas engine of the present invention plan view;
Fig. 5 is the efficient self-adapted gas combustion apparatus embodiment's 3 of gas engine of the present invention structural representation;
Fig. 6 is the efficient self-adapted gas combustion apparatus embodiment's 3 of gas engine of the present invention plan view.
Embodiment
Embodiment 1:
As shown in Figure 1, 2: the efficient self-adapted gas combustion apparatus of gas engine comprises air cavity 1, pressure regulating cavity 2, mixing chamber 3, fuel tube 4 and combination adjustment disk, air cavity 1 is communicated with air inlet 5, mixing chamber 3 is provided with the mixed gas delivery outlet 6 that can be connected with motor, and air cavity 1 and mixing chamber 3 open and close by the combination adjustment disk; Described combination adjustment disk comprises diskware 7, diaphragm 8, platen 9, fastening piece 24, diskware 7 is columniation structure ringwise, diskware 7 upper-end surfaces connect the diaphragm 8 of keeping dynamically balanced air pressure, diaphragm 8 is isolated pressure regulating cavity 2 and air cavity 1, the upper-end surface of diaphragm 8 connects platen 9, and diskware 7, diaphragm 8, platen 9 are fixed as a whole by fastening piece 24, and platen 9 upper-end surfaces are provided with spring 10, the other end of spring 10 is provided with adjusting element 11, and adjusting element 11 is connected with the chamber wall of pressure regulating cavity 2; Described diskware 7 is provided with guiding piece 12 radially, and the inside of diskware 7 is provided with fuel tube 4 and the vent 14 that exportable combustion gas enters, and vent 14 is communicated with pressure regulating cavity 1 and mixing chamber 3, and fuel tube 4 is provided with guiding piece 13 radially; Diskware 7 outer surfaces and mixing chamber 3 inwalls form the air passageways that enters mixing chamber 3 for air, and the outer wall of diskware 7 internal surfaces and fuel tube 4 forms the blast tube that enters mixing chamber 3 for combustion gas.Described air inlet 5, fuel tube 4 and mixed gas delivery outlet 6 are equipped with rotary valve 15.
During work, air cavity 1 is communicated with air inlet 5, makes air enter air cavity 1 by air inlet 5, and diskware 7 outer surfaces and mixing chamber 3 inwalls form the air passageways that enters mixing chamber 3 for air simultaneously, and air enters the mixing chamber 3 from air passageways.Because diskware 7 is the annulus columniation structure, so air passageways also forms the passage that is similar to annular, guarantee that air evenly feeds mixing chamber 3, just guarantee that also air evenly distributes in mixing chamber 3.Combustion gas is from fuel tube 4 inputs of diskware 7 inside, the blast tube that forms from the outer wall of diskware 7 internal surfaces and fuel tube 4 enters the mixing chamber 3, diskware 7 is the annulus columniation structure simultaneously, so blast tube also forms the passage that is similar to annular, guarantee that combustion gas evenly feeds mixing chamber 3, just guarantee that also combustion gas evenly distributes in mixing chamber 3; Air, combustion gas all evenly enter in mixing chamber 3 ringwise, so can evenly mix, enter engine intake again.Guarantee the concentration of mixed gas by said structure, reached the stability of mixed gas.
Motor is in expiratory phase, because " vacuumizing " effect, in mixing chamber 3, can produce " negative pressure ", air in the pressure regulating cavity 2 arranges the vent 14 that is communicated with pressure regulating cavity 1, mixing chamber 3 by diskware 7 inside and enters mixing chamber 3, meanwhile the pressure in the pressure regulating cavity 2 sharply reduces, cause diskware 7 to promote spring 10 and move up, force air passageways and blast tube area to increase simultaneously, the air and the combustion gas while equal proportion that enter in the mixing chamber 3 increase.Negative pressure is more big, and the air and the combustion gas that enter mixing chamber 3 are more many, and negative pressure is more little, and the air and the combustion gas that enter mixing chamber 3 are more few.Can carry out " self adaption " and regulate according to the demand of motor by said structure.
In addition, the moving up of diskware 7 will drive whole combination adjustment disk and move up, and guarantees that the gas in air cavity 1, the fuel tube 4 enters in the mixing chamber 3 simultaneously; Wherein diskware 7 moves down, and drives whole combination adjustment disk and moves down, and makes the upper end of diskware 7 complete closed fuel tube 4, and air cavity 1 and mixing chamber 3 complete closed have only the gas in the pressure regulating cavity 2 can enter mixing chamber 3.Thereby reach the keying purpose of combination adjustment disk.
Embodiment 2:
Shown in Fig. 3,4: the efficient self-adapted gas combustion apparatus of gas engine comprises air cavity 1, pressure regulating cavity 2, mixing chamber 3, fuel tube 4 and combination adjustment disk, air cavity 1 is communicated with air inlet 5, mixing chamber 3 is provided with the mixed gas delivery outlet 6 that can be connected with motor, and air cavity 1 and mixing chamber 3 open and close by the combination adjustment disk; Described combination adjustment disk comprises diskware 7, diaphragm 8, platen 9, fastening piece 24, diskware 7 is columniation structure ringwise, diskware 7 upper-end surfaces connect the diaphragm 8 of keeping dynamically balanced air pressure, diaphragm 8 is isolated pressure regulating cavity 2 and air cavity 1, the upper-end surface of diaphragm 8 connects platen 9, and diskware 7, diaphragm 8, platen 9 are fixed as a whole by fastening piece 24, and platen 9 upper-end surfaces are provided with spring 10, the other end of spring 10 is provided with adjusting element 11, and adjusting element 11 is connected with the chamber wall of pressure regulating cavity 2; The inside of diskware 7 is provided with fuel tube 4 and the vent 14 that exportable combustion gas enters, and vent 14 is communicated with pressure regulating cavity 1 and mixing chamber 3; Diskware 7 outer surfaces and mixing chamber 3 inwalls form the air passageways that enters mixing chamber 3 for air, and the outer wall of diskware 7 internal surfaces and fuel tube 4 forms the blast tube that enters mixing chamber 3 for combustion gas.Described combination adjustment disk also comprises guide rod 16 and the guide sleeve 17 that is positioned at pressure regulating cavity 2 inside, and guide rod 16 1 ends connect platen 9, and guide rod 16 is slidingly matched with guide sleeve 17, and the top of guide sleeve 17 is connected with the chamber wall of pressure regulating cavity 2.Described air inlet 5, fuel tube 4 and mixed gas delivery outlet 6 are equipped with rotary valve 15.
During work, air cavity 1 is communicated with air inlet 5, makes air enter air cavity 1 by air inlet 5, and diskware 7 outer surfaces and mixing chamber 3 inwalls form the air passageways that enters mixing chamber 3 for air simultaneously, and air enters the mixing chamber 3 from air passageways.Because diskware 7 is the annulus columniation structure, so air passageways also forms the passage that is similar to annular, guarantee that air evenly feeds mixing chamber 3, just guarantee that also air evenly distributes in mixing chamber 3.Combustion gas is from fuel tube 4 inputs of diskware 7 inside, the blast tube that forms from the outer wall of diskware 7 internal surfaces and fuel tube 4 enters the mixing chamber 3, diskware 7 is the annulus columniation structure simultaneously, so blast tube also forms the passage that is similar to annular, guarantee that combustion gas evenly feeds mixing chamber 3, just guarantee that also combustion gas evenly distributes in mixing chamber 3; Air, combustion gas all evenly enter in mixing chamber 3 ringwise, so can evenly mix, enter engine intake again.Guarantee the concentration of mixed gas by said structure, reached the stability of mixed gas.
Motor is in expiratory phase, because " vacuumizing " effect, in mixing chamber 3, can produce " negative pressure ", air in the pressure regulating cavity 2 enters mixing chamber 3 by the vent 14 of diskware 7 internal communication pressure regulating cavities 1, mixing chamber 3, meanwhile the pressure in the pressure regulating cavity 2 sharply reduces, cause diskware 7 to promote spring 10 and move up, force air passageways and blast tube area to increase simultaneously, the air and the combustion gas while equal proportion that enter in the mixing chamber 3 increase.Negative pressure is more big, and the air and the combustion gas that enter mixing chamber 3 are more many, and negative pressure is more little, and the air and the combustion gas that enter mixing chamber 3 are more few.Can carry out " self adaption " and regulate according to the demand of motor by said structure.
Air inlet 5, fuel tube 4 and mixed gas delivery outlet 6 are equipped with rotary valve 15 can pass through rotary valve 15, regulates the inlet that the angle between rotary valve 15 and the port is regulated air, combustion gas, the discharge capacity that can also regulate mixed gas in the mixing chamber 3; The combination adjustment disk also comprises guide rod 16 and the guide sleeve 17 that is positioned at pressure regulating cavity 2 inside, and guide rod 16 1 ends connect platen 9, and guide rod 16 is slidingly matched with guide sleeve 17, and the top of guide sleeve 17 is connected with the chamber wall of pressure regulating cavity 2.When diskware 7 moves up, by being slidingly matched between guide rod 16 and the guide sleeve 17, guarantee the movement direction of diskware 7 with above-mentioned structure, prevent from waving owing to the eddy current that the air in the air cavity 1 produces, prevent scratch and the collision of component; Mixing chamber 3 is provided with the micrometer adjusting screw 25 of regulating the air inlet, and the air in air cavity 1 is inadequate, but the volume of air that needs is not for a long time, can accurately regulate air inlet in the mixing chamber 3 by micrometer adjusting screw 25; Air inlet 5 places are provided with air filter, the air that enters in the air cavity 1 can be filtered, and make air reach certain degree of purity.
In addition, the moving up of diskware 7 will drive whole combination adjustment disk and move up, and guarantees that the gas in air cavity 1, the fuel tube 4 enters in the mixing chamber 3 simultaneously; Wherein diskware 7 moves down, and drives whole combination adjustment disk and moves down, and makes the upper end of diskware 7 complete closed fuel tube 4, and air cavity 1 and mixing chamber 3 complete closed have only the gas in the pressure regulating cavity 2 can enter mixing chamber 3.Thereby reach the keying purpose of combination adjustment disk.
Embodiment 3:
Shown in Fig. 5,6: the efficient self-adapted gas combustion apparatus of gas engine comprises air cavity 1, pressure regulating cavity 2, mixing chamber 3, fuel tube 4 and combination adjustment disk, air cavity 1 is communicated with air inlet 5, mixing chamber 3 is provided with the mixed gas delivery outlet 6 that can be connected with motor, and air cavity 1 and mixing chamber 3 open and close by the combination adjustment disk; Described combination adjustment disk comprises diskware 7, diaphragm 8, platen 9, fastening piece 24, diskware 7 is columniation structure ringwise, diskware 7 upper-end surfaces connect the diaphragm 8 of keeping dynamically balanced air pressure, diaphragm 8 is isolated pressure regulating cavity 2 and air cavity 1, the upper-end surface of diaphragm 8 connects platen 9, and diskware 7, diaphragm 8, platen 9 are fixed as a whole by fastening piece 24, and platen 9 upper-end surfaces are provided with spring 10, the other end of spring 10 is provided with adjusting element 11, and adjusting element 11 is connected with the chamber wall of pressure regulating cavity 2; Described diskware 7 is provided with guiding piece 12 radially, and the inside of diskware 7 is provided with fuel tube 4 and the vent 14 that exportable combustion gas enters, and vent 14 is communicated with pressure regulating cavity 1 and mixing chamber 3, and fuel tube 4 is provided with guiding piece 13 radially; Diskware 7 outer surfaces and mixing chamber 3 inwalls form the air passageways that enters mixing chamber 3 for air, and the outer wall of diskware 7 internal surfaces and fuel tube 4 forms the blast tube that enters mixing chamber 3 for combustion gas.Described air inlet 5, fuel tube 4 and mixed gas delivery outlet 6 are equipped with rotary valve 15.The present invention also comprises CNC control system 18, air pick-up transducers 19, mixed gas pick-up transducers 20, first actuating motor 21, second actuating motor 22 and the 3rd actuating motor 23, CNC control system 18 respectively with air pick-up transducers 19, mixed gas pick-up transducers 20, first actuating motor 21, second actuating motor 22 is connected with the 3rd actuating motor 23, air pick-up transducers 19 is arranged in the air cavity 1, mixed gas pick-up transducers 20 is arranged in the mixing chamber 3, first actuating motor 21 is arranged on fuel tube 4 places, second actuating motor 22 is arranged on air inlet 5 places, and the 3rd actuating motor 23 is arranged on the mixed gas delivery outlet 6 of mixing chamber 3.
During work, air cavity 1 is communicated with air inlet 5, makes air enter air cavity 1 by air inlet 5, and diskware 7 outer surfaces and mixing chamber 3 inwalls form the air passageways that enters mixing chamber 3 for air simultaneously, and air enters the mixing chamber 3 from air passageways.Because diskware 7 is the annulus columniation structure, so air passageways also forms the passage that is similar to annular, guarantee that air evenly feeds mixing chamber 3, just guarantee that also air evenly distributes in mixing chamber 3.Combustion gas is from fuel tube 4 inputs of diskware 7 inside, the blast tube that forms from the outer wall of diskware 7 internal surfaces and fuel tube 4 enters the mixing chamber 3, diskware 7 is the annulus columniation structure simultaneously, so blast tube also forms the passage that is similar to annular, guarantee that combustion gas evenly feeds mixing chamber 3, just guarantee that also combustion gas evenly distributes in mixing chamber 3; Air, combustion gas all evenly enter in mixing chamber 3 ringwise, so can evenly mix, enter engine intake again.Guarantee the concentration of mixed gas by said structure, reached the stability of mixed gas.
Owing to set up CNC control system 18, air pick-up transducers 19, mixed gas pick-up transducers 20, first actuating motor 21, second actuating motor 22 and the 3rd actuating motor 23 in the present embodiment.CNC control system 18 is connected with air pick-up transducers 19, mixed gas pick-up transducers 20, first actuating motor 21, second actuating motor 22 and the 3rd actuating motor 23 respectively, air pick-up transducers 19 is arranged in the air cavity 1, mixed gas pick-up transducers 20 is arranged in the mixing chamber 3, first actuating motor 21 is arranged on fuel tube 4 places, second actuating motor 22 is arranged on air inlet 5 places, and the 3rd actuating motor 23 is arranged on the mixed gas delivery outlet 6 of mixing chamber 3.Control the air of whole device, the amount of feed of combustion gas by the CNC system, the output quantity of mixed gas in the mixing chamber 3.Control mode is: air pick-up transducers 19 is with pressure, temperature, the composition of air in the air cavity 1, mixed gas pick-up transducers 20 is gathered relevant parameters such as composition, pressure in the mixing chamber 3, after collection is finished, all parameters are passed to the CNC system, by its analysis, compare with canonical parameter, carry out and send instruction to first actuating motor 21, second actuating motor 22 and the 3rd according to need of work, make first actuating motor 21, second actuating motor 22 and the 3rd actuating motor 23 according to the instruction action, make its parameter that is near the mark.Can gather relevant parameter at any time at the needs of motor by above-mentioned structure, convenient monitoring and accurately adjustment reach higher combustion efficiency.。
Motor is in expiratory phase, because " vacuumizing " effect, in mixing chamber 3, can produce " negative pressure ", air in the pressure regulating cavity 2 arranges the vent 14 that is communicated with pressure regulating cavity 1, mixing chamber 3 by diskware 7 inside and enters mixing chamber 3, meanwhile the pressure in the pressure regulating cavity 2 sharply reduces, cause diskware 7 to promote spring 10 and move up, force air passageways and blast tube area to increase simultaneously, the air and the combustion gas while equal proportion that enter in the mixing chamber 3 increase.Negative pressure is more big, and the air and the combustion gas that enter mixing chamber 3 are more many, and negative pressure is more little, and the air and the combustion gas that enter mixing chamber 3 are more few.Can carry out " self adaption " and regulate according to the demand of motor by said structure.
In addition, the moving up of diskware 7 will drive whole combination adjustment disk and move up, and guarantees that the gas in air cavity 1, the fuel tube 4 enters in the mixing chamber 3 simultaneously; Wherein diskware 7 moves down, and drives whole combination adjustment disk and moves down, and makes the upper end of diskware 7 complete closed fuel tube 4, and air cavity 1 and mixing chamber 3 complete closed have only the gas in the pressure regulating cavity 2 can enter mixing chamber 3.Thereby reach the keying purpose of combination adjustment disk.
Diaphragm 8 described in above-mentioned 3 embodiments is preferably the diaphragm 8 of softwood matter, can compare sensitivity like this when experiencing the pressure variation.
This device is installed on the engine intake place, can provide combination gas in expiratory phase required " best air inflow " and " best empty combustion proportions of ingredients " to motor according to motor, thereby make efficiency gas improve 20～30% than traditional gas combustion apparatus, this device is equipped with a cover CNC control system 18, and efficiency gas also can improve about 10%; It is exactly " self adaption " function that this device has another function, and when the bleed pressure erratic fluctuations, but the also self adaption adjusting of this device keeps the stable output of mixed gas; In addition, because this device is the project organization of annular major path, make it can adapt to unclean, dust loading greatly or the not high combustion gas of quality.
Above-described only is preferred implementation of the present invention; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from structure of the present invention; can also make some distortion and improvement; these also should be considered as protection scope of the present invention, and these can not influence effect of the invention process and practical applicability.
Claims (8)
1. the efficient self-adapted gas combustion apparatus of gas engine, it is characterized in that, comprise air cavity, pressure regulating cavity, mixing chamber, fuel tube and combination adjustment disk, air cavity is communicated with air inlet, mixing chamber is provided with the mixed gas delivery outlet that can be connected with motor, and air cavity and mixing chamber open and close by the combination adjustment disk;
Described combination adjustment disk comprises diskware, diaphragm, platen, fastening piece, diskware is columniation structure ringwise, the diskware upper-end surface connects the diaphragm of keeping dynamically balanced air pressure, diaphragm is isolated pressure regulating cavity and air cavity, the upper-end surface of diaphragm connects platen, and diskware, diaphragm, platen are fixed as a whole by fastening piece, and the platen upper-end surface is provided with spring, the other end of spring is provided with adjusting element, and adjusting element is connected with the chamber wall of pressure regulating cavity;
Be provided with fuel tube and the vent that can supply combustion gas to enter in the described diskware internal cavities, vent is communicated with mixing chamber and pressure regulating cavity, diskware outer surface and mixing chamber inwall form the air passageways that enters mixing chamber for air, and the outer wall of diskware internal surface and fuel tube forms the blast tube that enters mixing chamber for combustion gas.
2. the efficient self-adapted gas combustion apparatus of gas engine according to claim 1, it is characterized in that, described combination adjustment disk also comprises guide rod and the guide sleeve that is positioned at pressure regulating cavity inside, guide rod one end connects platen, guide rod and guide sleeve are slidingly matched, and the top of guide sleeve is connected with the chamber wall of pressure regulating cavity.
3. the efficient self-adapted gas combustion apparatus of gas engine according to claim 1 is characterized in that, described air inlet, fuel tube and mixed gas delivery outlet are equipped with the rotary valve of adjustments of gas size.
4. the efficient self-adapted gas combustion apparatus of gas engine according to claim 3, it is characterized in that, also comprise the CNC control system, the air pick-up transducers, the mixed gas pick-up transducers, first actuating motor, second actuating motor and the 3rd actuating motor, the CNC control system respectively with the air pick-up transducers, the mixed gas pick-up transducers, first actuating motor, second actuating motor is connected with the 3rd actuating motor, the air pick-up transducers is arranged in the air cavity, the mixed gas pick-up transducers is arranged in the mixing chamber, first actuating motor is arranged on the fuel tube place, second actuating motor is arranged on the air inlet place, and the 3rd actuating motor is arranged on the mixed gas delivery outlet of mixing chamber.
5. the efficient self-adapted gas combustion apparatus of gas engine according to claim 1 is characterized in that, described diskware is provided with guiding piece radially.
6. the efficient self-adapted gas combustion apparatus of gas engine according to claim 1 is characterized in that, described fuel tube is provided with guiding piece radially.
7. according to claim 1,2, the efficient self-adapted gas combustion apparatus of 3 or 4 described gas engines, it is characterized in that described air inlet place is provided with air filter.
8. according to claim 1, the efficient self-adapted gas combustion apparatus of 2 or 4 described gas engines, it is characterized in that described mixing chamber is provided with the micrometer adjusting screw of regulating the air inlet.
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| CN201310177055.5A CN103277214B (en) | 2013-05-14 | 2013-05-14 | The efficient self-adapted gas combustion apparatus of gas engine |
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| CN201310177055.5A CN103277214B (en) | 2013-05-14 | 2013-05-14 | The efficient self-adapted gas combustion apparatus of gas engine |
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| CN103277214B CN103277214B (en) | 2016-06-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN203308608U (en) * | 2013-05-14 | 2013-11-27 | 重庆金之川动力机械有限公司 | Efficient self-adaptive gas device of gas engine |
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| US4039043A (en) * | 1975-03-17 | 1977-08-02 | Vdo Adolf Schindling Ag | Apparatus for controlling the traveling speed of a motor vehicle |
| CN101004155A (en) * | 2007-01-19 | 2007-07-25 | 合肥工业大学 | Electric controlled bivalve type mixer of fuel gas |
| CN201003438Y (en) * | 2007-01-24 | 2008-01-09 | 孟荣水 | General minisize gas engine gas mixer |
| CN201090323Y (en) * | 2007-10-22 | 2008-07-23 | 重庆市海嘉燃气汽车设备制造有限公司 | Proportional regulating type mixer |
| CN202117797U (en) * | 2011-06-11 | 2012-01-18 | 张海辉 | Gas mixer with gas compensation branch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402049A (en) * | 2015-12-17 | 2016-03-16 | 重庆红江机械有限责任公司 | Air-fuel premixing mixer used for engine |
| CN105402049B (en) * | 2015-12-17 | 2018-02-09 | 重庆红江机械有限责任公司 | A kind of engine air-gas premixing blender |
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| Publication number | Publication date |
|---|---|
| CN103277214B (en) | 2016-06-22 |
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