CN110259612B - Gasoline engine - Google Patents

Gasoline engine Download PDF

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Publication number
CN110259612B
CN110259612B CN201910551847.1A CN201910551847A CN110259612B CN 110259612 B CN110259612 B CN 110259612B CN 201910551847 A CN201910551847 A CN 201910551847A CN 110259612 B CN110259612 B CN 110259612B
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Prior art keywords
resistor
combustion chamber
exhaust
matrix
chamber
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CN201910551847.1A
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CN110259612A (en
Inventor
卞明
项达尚
姜斌
刘文斌
张婧
魏登惠
王成存
徐仪
殷志航
游维华
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Shichuan Jule Innovation Technology Wuhan Co ltd
Jiangsu Jianghuai Power Co ltd
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Shichuan Jule Innovation Technology Wuhan Co ltd
Jiangsu Jianghuai Power Co ltd
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Publication of CN110259612A publication Critical patent/CN110259612A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/04—Arrangements for cooling pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/06—Arrangements for cooling other engine or machine parts
    • F01P1/08—Arrangements for cooling other engine or machine parts for cooling intake or exhaust valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10249—Electrical or electronic devices fixed to the intake system; Electric wiring
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10255—Arrangements of valves; Multi-way valves
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/1038—Sensors for intake systems for temperature or pressure
    • 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
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Silencers (AREA)

Abstract

The invention provides a gasoline engine, comprising: engine and fuel intellectual detection system device, the engine is provided with the air flue, and the air flue includes: a combustion chamber, the two opposite sides of which are respectively provided with an air inlet part and an exhaust part; the air intake portion includes: the two intake valves are arranged on the side wall of the first side of the combustion chamber; the air inlet channel is provided with a first air inlet at the air inlet end, two first exhaust ports at the exhaust end, the first air inlet is communicated with one ends of the two first exhaust ports, and the other ends of the two first exhaust ports are respectively communicated with the two inlet valves; the exhaust part includes: the two exhaust valves are arranged on the side wall of the second side of the combustion chamber, the first side of the combustion chamber is opposite to the second side of the combustion chamber, and the two exhaust valves are respectively arranged opposite to the two intake valves; the air passage has the advantage of reasonable structural arrangement.

Description

Gasoline engine
Technical Field
The invention relates to the technical field of gasoline engines, in particular to a gasoline engine.
Background
Opposed piston engines include a combustion chamber located between two pistons. As combustion occurs in the combustion chamber, the piston is driven outward. The air passage connected with the combustion chamber of the existing opposed piston engine has the defect of unreasonable structural arrangement.
Disclosure of Invention
The invention provides a gasoline engine, which is used for solving the problem that an air passage structure connected with a combustion chamber of the existing opposed piston engine is unreasonable in arrangement.
The present invention provides an airway comprising:
the combustion chamber is provided with an air inlet part and an exhaust part on two opposite sides respectively;
the air intake portion includes: the two intake valves are arranged on the first side wall of the combustion chamber;
the air inlet end of the air inlet channel is provided with a first air inlet, the air outlet end of the air inlet channel is provided with two first air outlets, the first air inlets are communicated with one ends of the two first air outlets, and the other ends of the two first air outlets are respectively communicated with the two inlet valves;
the exhaust portion includes: the two exhaust valves are arranged on the side wall of the second side of the combustion chamber, the first side of the combustion chamber is opposite to the second side of the combustion chamber, and the two exhaust valves are respectively arranged opposite to the two intake valves; and the air inlet end of the exhaust passage is provided with two second air inlets, one ends of the two second air inlets are respectively communicated with the two exhaust valves, the exhaust end of the exhaust passage is provided with a second exhaust port, and the second exhaust port is communicated with the other ends of the two second air inlets.
Preferably, the first side wall of the combustion chamber is provided with a first piston hole which is communicated with the first side wall of the combustion chamber and used for installing a first piston, the second side wall of the combustion chamber is provided with a second piston hole which is communicated with the second side wall of the combustion chamber and used for installing a second piston, and the first piston hole and the second piston hole are oppositely arranged.
Preferably, the intake portion and the exhaust portion are symmetrical to each other.
Preferably, the combustion chamber is formed by splicing a first combustion chamber and a second combustion chamber which are arranged oppositely, the side of the first combustion chamber opposite to the splicing side of the first combustion chamber is the first side of the combustion chamber, the side of the second combustion chamber opposite to the splicing side of the second combustion chamber is the second side of the combustion chamber, the first combustion chamber is arranged on the first connecting part, the second combustion chamber is arranged on the second connecting part, the air inlet channel is arranged on the first connecting part, and the air outlet channel is arranged on the second connecting part.
Preferably, the first connecting part and the second connecting part are detachably connected.
Preferably, a pressure sensor is arranged in the first piston hole or the second piston hole and close to the inner side of the combustion chamber, the air inlet end of the air inlet channel is connected with an air inlet pipe, the air outlet end of the air outlet channel is connected with a first air outlet pipe, the air inlet pipe is connected with a flow control valve, and a flow sensor is arranged in the air inlet pipe; the first controller is electrically connected with the flow sensor and the pressure sensor, and is provided with a pressure control circuit which is connected with the flow control valve;
the pressure control circuit includes:
a third integrated operational amplifier having a non-inverting input grounded;
the inverting input end of the third integrated operational amplifier is connected with one end of a third resistor, and the other end of the third resistor is connected with the output end of the third integrated operational amplifier;
one end of the first resistor is connected with the inverting input end of the third integrated operational amplifier, and the other end of the first resistor is connected with a signal source sent by the first controller;
the inverting input end of the second integrated operational amplifier is connected with a fourth resistor, and the other end of the fourth resistor is connected with the output end of the third integrated operational amplifier;
the anode of the Zener diode is connected with the output end of the second integrated operational amplifier;
one end of the second capacitor is connected with the output end of the second integrated operational amplifier and the anode of the Zener diode, and the other end of the second capacitor is connected with the inverting input end of the second integrated operational amplifier;
one end of the sixth resistor is connected with the cathode of the Zener diode;
the base electrode of the PNP type triode is connected with the other end of the sixth resistor;
one end of the second resistor is connected with an emitting electrode of the PNP type triode, and the other end of the second resistor is connected with a negative electrode of the Zener diode;
one end of the eighteenth resistor is connected with the base electrode of the PNP type triode, and the other end of the eighteenth resistor is connected with the emitting electrode of the PNP type triode;
one end of the first capacitor is grounded, and the other end of the first capacitor is connected with an emitting electrode of the PNP type triode;
one end of the third capacitor is grounded, and the other end of the third capacitor is connected with an emitting electrode of the PNP type triode;
the non-inverting input end of the second integrated operational amplifier is connected with the output end of the first integrated operational amplifier;
one end of the ninth resistor is grounded, and the other end of the ninth resistor is connected with the non-inverting input end of the first integrated operational amplifier;
one end of the fifth resistor is connected with the non-inverting input end of the second integrated operational amplifier, and the other end of the fifth resistor is connected with the inverting input end of the first integrated operational amplifier;
one end of the eighth resistor is connected with a collector of the PNP type triode, and the other end of the eighth resistor is connected with a non-inverting input end of the first integrated operational amplifier;
one end of the fifth capacitor is grounded;
one end of the seventh resistor is connected with the other end of the fifth capacitor, and the other end of the seventh resistor is connected with the inverting input end of the first integrated operational amplifier;
one end of the seventeenth resistor is connected with the other end of the fifth capacitor, and the other end of the seventeenth resistor is connected with a collector of the PNP triode;
the pressure sensor is connected with a detection circuit, the detection circuit includes:
the circuit comprises a tenth resistor and a twelfth resistor, wherein one end of the tenth resistor is connected with one end of the twelfth resistor in series, and the other end of the twelfth resistor is grounded;
the anode of the second diode is connected with a power supply, and the cathode of the second diode is connected with the other end of the tenth resistor;
one end of the eleventh resistor is connected with one end of the thirteenth resistor in series, the other end of the thirteenth resistor is grounded, and the other end of the eleventh resistor is connected with the cathode of the second diode;
a base electrode of the second crystal triode is respectively connected with the eleventh resistor and the thirteenth resistor;
one end of the fifteenth resistor is connected with the power supply, and the other end of the fifteenth resistor is connected with the collector of the second transistor;
the anode of the first diode is connected with the emitter of the second crystal triode, and the cathode of the first diode is grounded through a sixteenth resistor;
the anode of the first diode is connected with the emitter of the first transistor;
one end of the fourteenth resistor is connected with a collector of the first transistor, and the other end of the fourteenth resistor is connected with a power supply;
and one end of the fourth capacitor is connected with the base electrode of the first transistor, and the other end of the fourth capacitor is respectively connected with the tenth resistor and the twelfth resistor.
Preferably, still include waste gas recovery device, the exhaust end of exhaust passage is connected with first exhaust pipe, waste gas recovery device includes:
the bottom end of the box body is provided with a waste gas inlet, the top end of the box body is provided with a clean gas outlet, and the waste gas inlet is communicated with the gas outlet end of the first exhaust pipe;
the air introducing chamber is arranged at the bottom in the box body;
the first induced draft fan is arranged on the inner wall of the top end of the induced draft chamber;
the cleaning chamber is arranged above the air introducing chamber in the box body, and a vertical partition plate is arranged in the middle of the cleaning chamber and divides the cleaning chamber into a left cleaning chamber and a right cleaning chamber;
the two opposite outer side walls of the box body, which are positioned at the cleaning chamber, are respectively provided with a protective cover, a motor is arranged in the protective covers, and a motor shaft of the motor is horizontally arranged and penetrates through the side walls of the box body to extend into the cleaning chamber;
the rotating shaft is horizontally arranged, penetrates through the vertical partition plate, two ends of the rotating shaft are respectively positioned in the left cleaning chamber and the right cleaning chamber, two ends of the rotating shaft are respectively fixedly connected with one ends, positioned in the cleaning chambers, of motor shafts of the two motors, and blades are arranged on the inner periphery of the rotating shaft positioned in the left cleaning chamber and the left cleaning chamber;
the fourth exhaust pipe is horizontally arranged at the bottom of the cleaning chamber, penetrates through the vertical partition plate, two ends of the fourth exhaust pipe are respectively positioned in the left cleaning chamber and the right cleaning chamber, and a plurality of exhaust through holes are formed in the lower ends of the parts, positioned in the left cleaning chamber and the right cleaning chamber, of the fourth exhaust pipe;
a second exhaust pipe is arranged at the upper end of the left cleaning chamber, a third exhaust pipe is arranged at the upper end of the right cleaning chamber, the second exhaust pipe and the third exhaust pipe are arranged in a crossed manner, and the second exhaust pipe and the third exhaust pipe exhaust waste gas exhausted from the cleaning chamber to the upper side of the cleaning chamber in the box body;
a plurality of filter layers, a plurality of filter layers set up in the purge chamber top, a plurality of filter layers include: the electrostatic adsorption layer and the nanometer activated carbon filter layer are arranged at intervals from bottom to top, and are connected with the periphery of the inner wall of the box body;
a second induced draft fan is arranged at the top end in the box body and used for guiding the waste gas discharged by the second exhaust pipe and the third exhaust pipe to the filter layer for filtering and then discharging the filtered waste gas through the clean gas outlet;
the two U-shaped pipes are respectively provided with an air inducing chamber air outlet at two opposite sides of the air inducing chamber, the two U-shaped pipes are respectively arranged on two opposite outer side walls of the box body, one ends of the two U-shaped pipes are respectively communicated with the two air inducing chamber air outlets, and the other ends of the two U-shaped pipes are respectively communicated with two ends of a fourth exhaust pipe;
and the second controller is arranged in the induced draft chamber and is respectively electrically connected with the first induced draft fan, the second induced draft fan and the motor.
Preferably, the side wall of the box body is also provided with a first liquid inlet pipe communicated with the liquid inlet of the left cleaning chamber and a second liquid inlet pipe communicated with the liquid inlet of the right cleaning chamber, the first liquid inlet pipe and the second liquid inlet pipe are both connected with an electromagnetic valve, liquid level sensors are arranged in the left cleaning chamber and the right cleaning chamber, and the electromagnetic valve and the liquid level sensors are both electrically connected with a second controller;
the clean gas outlet in the box body is also provided with a gas sensor, the gas sensor is used for detecting concentration value information of toxic and harmful gases at the clean gas outlet, and the input end of the second controller is connected with the signal output end of the gas sensor;
a liquid crystal display screen is further arranged outside the box body and connected with the output end of the second controller, an alarm is further arranged on the liquid crystal display screen, and the output end of the second controller is connected with the alarm;
and standard values of the concentrations of the toxic and harmful gases are preset in the second controller.
The invention also provides a gasoline engine, which comprises an engine, wherein the engine is provided with the air passage, the gasoline engine is also provided with an intelligent fuel oil detection device, the intelligent fuel oil detection device can automatically detect whether the current fuel oil entering the combustion chamber meets the preset standard, and early warning processing is carried out when the current fuel oil does not meet the preset standard, wherein the intelligent fuel oil detection device comprises the following specific steps:
the intelligent fuel oil detection device is arranged outside the engine host, a detection database and a camera are arranged in the intelligent fuel oil detection device, Q images of the surfaces of fuel oil with different qualities exist in the detection database, the images are M pixel points by N, M is N, the Q images are subjected to graying processing to obtain Q grayed images, Q pixel point matrixes are formed according to the pixel point composition of each grayed image, and whether the quality of the fuel oil corresponding to each grayed image meets a preset standard or not is marked;
extracting current fuel oil from an oil tank connected with a combustion chamber, shooting a current image of the surface of the current fuel oil by using the camera to form an image to be detected, carrying out graying processing on the image to be detected, and forming a pixel matrix B corresponding to the image to be detected according to pixel points of the image to be detected after graying processing;
calculating a tolerance ratio between the pixel matrix B and Q grayed images in the detection database by using formula (1);
Figure GDA0002395797980000061
wherein D isiIs the tolerance ratio of matrix B to the ith greyed image in the detection database,
Figure GDA0002395797980000062
the pixel point of the position of the s-th row and t-th column of the ith gray image in the detection databaseValue of (A), Bs,tThe value of a pixel point in the s-th row and t-th column of the matrix B is 1, 2, 3 … … Q;
extracting the P gray images with the minimum tolerance ratio, obtaining pixel point matrixes A corresponding to the P gray images, and obtaining P matrixes A; respectively calculating the corresponding singular eigenvalue of each matrix in the P matrixes A and B by using a formula (2);
|LL*LLT-λE|＝0
Figure GDA0002395797980000071
wherein LL is a matrix of singular eigenvalues to be solved, the value of LL is one of P +1, namely one of P matrixes A and B, and LL isTThe method comprises the steps that a matrix LL is transposed, E is an M-order identity matrix, lambda is a value obtained by solving the middle, singular eigenvalues obtained by solving the P +1 matrixes LL are all M values, sigma is a singular eigenvalue obtained by solving the final, sigma of each matrix LL is a vector containing M values, and the M values are sequenced from large to small to form a vector CC;
defining the vector CC corresponding to the matrix B as a vector C, making a row of P vectors CC corresponding to P matrixes A according to each vector to form a matrix F, wherein the matrix F is a matrix with P rows and M columns, and each row represents a singular eigenvalue corresponding to the matrix A;
then, the distance between the vector C and the singular eigenvalue of each row in the matrix F is calculated by using the formula (3)
Figure GDA0002395797980000072
Where ρ isjIs the distance between the vector C and the singular eigenvalue of the j-th line in F, e is a natural constant, C is the vector C, CiIs the ith value of vector C, CtIs the t-th value, F, of vector CjiIs the value of the jth row and ith column of the matrix F, FjqIs the value of the jth row and qth column of the matrix F, Fj TIs the transpose of the jth row of the matrix F, and M is for each row in the matrix FThe number of values, i 1, 2, 3 … … M, J1, 2, 3 … … P, t 1, 2, 3 … … M, and q 1, 2, 3 … … M, is extracted to obtain all ρjMinimum value of (1)sS is less than or equal to j, the minimum value ρsAnd (3) solving the obtained value for the S-th row of the matrix F by using a formula (3), wherein the S-th matrix A in the P matrixes A corresponding to the singular characteristic value vector of the S-th row of the matrix F is a corresponding matrix A, the gray image in the detection database corresponding to the S-th matrix A is a gray image corresponding to the image to be detected, whether the quality of the fuel oil marked by the gray image in the detection database corresponding to the S-th matrix A meets a preset standard or not is judged, namely whether the finally confirmed current fuel oil quality meets the preset standard or not, and if not, early warning processing is carried out.
Preferably, in order to make the fuel burn sufficiently and make efficient use of the engine, the gasoline engine is further provided with an automatic energy-saving device, and the automatic energy-saving device determines the intelligent fuel consumption of the combustion chamber per hour by using a formula (4) on the fuel with qualified quality;
Figure GDA0002395797980000081
the fuel consumption per hour is finally determined, PZ is preset fuel consumption per hour of the combustion chamber, R is the engine power, MM is the pressure of the combustion chamber and is measured in bar, Py is the temperature of the combustion chamber and is measured in K, and Pk is the temperature of the environment where the engine is located and is measured in K;
and finally, intelligently controlling the fuel quantity introduced into the engine according to the obtained YL.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is an exploded view of the airway of the present invention.
Fig. 2 is a top view of the first connecting part of the air duct according to the invention.
Fig. 3 is a sectional view B-B of fig. 2.
Fig. 4 is a top view of a second connecting member of the air duct of the present invention.
Fig. 5 is a sectional view B-B of fig. 4.
Fig. 6 is a schematic structural view showing the connection of the first and second connection parts of the air duct of the present invention.
Fig. 7 is a schematic structural view of an exhaust gas recovery device of an air duct of the present invention.
Fig. 8 is a circuit diagram of the connection of the pressure control circuit of the airway of the present invention with the first controller, the pressure sensor, and the detection circuit.
FIG. 9 is a circuit diagram of the detection circuit of the present invention.
In the figure: 1. a combustion chamber; 11. a first combustion chamber; 111. a first combustion chamber splice side; 12. a second combustion chamber; 121. a second combustion chamber splice side; 21. an intake valve; 22. an air inlet channel; 221. a first air inlet; 222. a first exhaust port; 223. an air inlet end of the air inlet channel; 31. an exhaust valve; 32. an exhaust passage; 321. a second air inlet; 322. a second exhaust port; 323. an exhaust end of the exhaust passage; 41. a first piston bore; 42. a second piston bore; 5. a first connecting member; 6. a second connecting member; 71. a third integrated operational amplifier; 72. a second integrated operational amplifier; 73. a Zener diode; 74. a PNP type triode; 75. a first integrated operational amplifier; 76. a first transistor; 77. a second transistor; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; r10, tenth resistor; r11, eleventh resistor; r12, twelfth resistor; r13, thirteenth resistor; r14, fourteenth resistance; r15, fifteenth resistor; r16, sixteenth resistor; r17, seventeenth resistor; r18, eighteenth resistor; c1, a first capacitance; c2, a second capacitor; c3, a third capacitance; c4, a fourth capacitance; c5, a fifth capacitance; d1, a first diode; d2, a second diode; 8. a first exhaust pipe; 9. an exhaust gas recovery device; 91. a box body; 92. an air induction chamber; 93. a first induced draft fan; 94. a cleaning chamber; 941. a left cleaning chamber; 942. a right cleaning chamber; 943. a vertical partition plate; 95. a protective cover; 96. a motor; 97. a rotating shaft; 971. a blade; 98. a fourth exhaust pipe; 981. an exhaust through hole; 99. a second exhaust pipe; 910. a third exhaust pipe; 911. an electrostatic adsorption layer; 912. a nano activated carbon filter layer; 913. a U-shaped tube; 914. a supporting seat; 915. and a second induced draft fan.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1-6, embodiments of the present invention provide an airway including:
the combustion chamber 1, the relative both sides of said combustion chamber 1 have air inlet portion and exhaust portion separately;
the air intake portion includes: two intake valves 21, the two intake valves 21 are arranged on the first side wall of the combustion chamber 1;
the air inlet passage 22 is provided with a first air inlet 221 at an air inlet end 223, two first exhaust ports 222 are arranged at an exhaust end of the air inlet passage 22, the first air inlet 221 is communicated with one ends of the two first exhaust ports 222, and the other ends of the two first exhaust ports 222 are respectively communicated with the two inlet valves 21;
the exhaust portion includes: two exhaust valves 31, the two exhaust valves 31 are arranged on the side wall of the second side of the combustion chamber, the first side of the combustion chamber is opposite to the second side of the combustion chamber, and the two exhaust valves 31 are respectively arranged opposite to the two intake valves 21; and the air inlet end of the exhaust passage 32 is provided with two second air inlets 321, one ends of the two second air inlets 321 are respectively communicated with the two exhaust valves 31, the air outlet end 323 of the exhaust passage is provided with a second air outlet 322, and the second air outlet 322 is communicated with the other ends of the two second air inlets 321.
The invention may be applied to opposed piston engines comprising a combustion chamber between two pistons, the pistons being driven outwardly as combustion occurs in the combustion chamber; preferably, the first side wall of the combustion chamber is provided with a first piston hole 41 for mounting a first piston, the second side wall of the combustion chamber is provided with a second piston hole 42 for mounting a second piston, and the first piston hole 41 and the second piston hole 42 are arranged oppositely. Other parts related to the combustion chamber of the opposed piston engine and the combustion driving piston are in the prior art and are not described in detail herein; the invention may also be used with other types of engines that can use the air duct of the invention, and other devices than engines that can use the air duct of the invention.
The working principle and the beneficial effects of the technical scheme are as follows: in the above technical solution, the exhaust valves are arranged in a side-mounted valve arrangement manner, all the two valves arranged on the first side of the combustion chamber are the intake valves 21, all the valves arranged on the second side of the combustion chamber opposite to the first side are the exhaust valves 31, and the intake valves and the exhaust valves are arranged oppositely. The two intake valves 21 or the two exhaust valves 31 are arranged on one side at the same time and share one intake passage 22 or one exhaust passage 32, and by the arrangement, more intake and exhaust passage cross sections can be obtained under the condition of the same intake and exhaust valve area, the structure is reasonable in arrangement, the engine is enabled to intake air more fully, and exhaust is enabled to be smoother. Meanwhile, the intake valve and the exhaust valve 31 are oppositely arranged, and a part of fresh air entering from the intake passage 22 directly impacts the exhaust valve 31 to cool the exhaust valve 31, and most of the fresh air impacts the piston to cool the piston, so that the structure is reasonably arranged, the temperatures of the exhaust valve 31 and the piston can be reduced, the air charge in a combustion chamber is improved, the reliability of the exhaust valve 31 is also improved, and on the other hand, the higher requirement on the material performance of the exhaust valve 31 is also reduced.
In one embodiment, the intake and exhaust portions are symmetrical to each other.
The working principle and the beneficial effects of the technical scheme are as follows: the air inlet part and the air outlet part are mutually symmetrical, so that the air passage is convenient to install.
In one embodiment, as shown in fig. 1, the combustion chamber is formed by splicing a first combustion chamber 11 and a second combustion chamber 21 which are oppositely arranged, wherein the side of the first combustion chamber 11 opposite to the first combustion chamber splicing side 111 is the first side of the combustion chamber, the side of the second combustion chamber 21 opposite to the second combustion chamber splicing side 121 is the second side of the combustion chamber, the first combustion chamber 11 is arranged on the first connecting part 5, the second combustion chamber 21 is arranged on the second connecting part 6, the air inlet passage 22 is arranged on the first connecting part 5, and the air outlet passage 32 is arranged on the second connecting part 6.
The working principle and the beneficial effects of the technical scheme are as follows: the above structure facilitates the connection of the combustion chamber with other components, and facilitates the provision of the intake port 22 and the exhaust port 32.
In one embodiment, the first and second connection parts 6 are detachably connected.
The working principle and the beneficial effects of the technical scheme are as follows: the first connecting part and the second connecting part 6 are detachably connected, and the connecting device has the advantage of convenience in connection.
In one embodiment, a pressure sensor is disposed in the first piston hole 41 or the second piston hole 42 near the inner side of the combustion chamber, the intake port intake end 223 is connected with an intake pipe, the exhaust port exhaust end 323 is connected with a first exhaust pipe 8, a flow control valve is connected to the intake pipe, and a flow sensor is disposed in the intake pipe; the first controller is electrically connected with the flow sensor and the pressure sensor, and is provided with a pressure control circuit which is connected with the flow control valve;
as shown in fig. 8-9, the pressure control circuit includes:
a third integrated operational amplifier 71, a non-inverting input of the third integrated operational amplifier 71 being grounded;
a third resistor R3, wherein the inverting input terminal of the third integrated operational amplifier 71 is connected with one end of the third resistor R3, and the other end of the third resistor R3 is connected with the output terminal of the third integrated operational amplifier 71;
one end of the first resistor R1 is connected to the inverting input terminal of the third integrated operational amplifier 71, and the other end of the first resistor R1 is connected to a signal source sent by the first controller;
the third integrated operational amplifier 71, the third resistor R3 and the first resistor R1 form an amplifying circuit, and the output end of the third integrated operational amplifier 71 is the output end of the amplifying circuit;
a second integrated operational amplifier 72, wherein an inverting input terminal of the second integrated operational amplifier 72 is connected with a fourth resistor R4, and the other end of the fourth resistor R4 is connected with an output terminal of the third integrated operational amplifier 71;
a zener diode 73, wherein the anode of the zener diode 73 is connected with the output end of the second integrated operational amplifier 72;
a second capacitor C2, one end of the second capacitor C2 is connected to the output end of the second integrated operational amplifier 72 and the anode of the zener diode 73, and the other end of the second capacitor C2 is connected to the inverting input end of the second integrated operational amplifier 72;
a sixth resistor R6, one end of the sixth resistor R6 is connected with the cathode of the Zener diode 73;
a PNP type triode 74, wherein the base of the PNP type triode 74 is connected with the other end of the sixth resistor R6;
a second resistor R2, one end of the second resistor R2 is connected with the emitter of the PNP type triode 74, and the other end of the second resistor R2 is connected with the cathode of the Zener diode 73;
one end of the eighteenth resistor R18 is connected with the base electrode of the PNP type triode 74, and the other end of the eighteenth resistor R18 is connected with the emitting electrode of the PNP type triode;
a first capacitor C1, one end of the first capacitor C1 is grounded, and the other end of the first capacitor C1 is connected to the emitter of the PNP transistor 74;
one end of the third capacitor C3 is grounded, and the other end of the third capacitor C3 is connected to the emitter of the PNP triode 74; the second capacitor C2, the second integrated operational amplifier 72, the fourth resistor R4, the zener diode 73, the sixth resistor R6, the second resistor R2 and the eighteenth resistor R18 form an integration circuit to form an integration circuit;
a first integrated operational amplifier 75, wherein the non-inverting input terminal of the second integrated operational amplifier 72 is connected to the output terminal of the first integrated operational amplifier 75;
a ninth resistor R9, one end of the ninth resistor R9 is grounded, and the other end is connected to the non-inverting input terminal of the first integrated operational amplifier 75;
a fifth resistor R5, wherein one end of the fifth resistor R5 is connected to the non-inverting input terminal of the second integrated operational amplifier 72, and the other end is connected to the inverting input terminal of the first integrated operational amplifier 75;
an eighth resistor R8, wherein one end of the eighth resistor R8 is connected to the collector of the PNP transistor 74, and the other end is connected to the non-inverting input terminal of the first integrated operational amplifier 75;
a fifth capacitor C5, wherein one end of the fifth capacitor C5 is grounded;
a seventh resistor R7, one end of the seventh resistor R7 is connected to the other end of the fifth capacitor C5, and the other end of the seventh resistor R7 is connected to the inverting input terminal of the first integrated operational amplifier 75;
a seventeenth resistor R17, one end of the seventeenth resistor R17 is connected to the other end of the fifth capacitor C5, and the other end of the seventeenth resistor R17 is connected to the collector of the PNP transistor 74;
the first integrated operational amplifier 75, the ninth resistor R9, the eighth resistor R8, the seventh resistor R7, and the seventeenth resistor R17 are connected to form a differential circuit; the pressure control circuit comprises the amplifying circuit, an integrating circuit, a differential circuit, a PNP type triode 74 and a fifth capacitor C5, a signal source reaches the integrating circuit after being amplified by the amplifying circuit, is transmitted to the PNP type triode 74 after being integrated, is connected with a non-inverting input end of the integrating circuit through the differential circuit after being amplified by the PNP type triode 74 to form a closed-loop control network, one end of the fifth capacitor C5 is grounded, and the other end of the fifth capacitor C5 is respectively connected with the differential circuit and the PNP type triode 74 and outputs a voltage control source to control the flow control valve;
the pressure sensor is connected with a detection circuit, the detection circuit includes:
a tenth resistor R10 and a twelfth resistor R12, wherein one end of the tenth resistor R10 is connected with one end of the twelfth resistor R12 in series, and the other end of the twelfth resistor R12 is grounded;
a second diode D2, the anode of the second diode D2 is connected with the power supply (VDD in FIG. 9), and the cathode of the second diode D2 is connected with the other end of the tenth resistor R10;
an eleventh resistor R11 and a thirteenth resistor R13, wherein one end of the eleventh resistor R11 is connected in series with one end of the thirteenth resistor R13, the other end of the thirteenth resistor R13 is grounded, and the other end of the eleventh resistor is connected with the cathode of a second diode D2;
a second transistor 77, the base of which is connected with an eleventh resistor R11 and a thirteenth resistor R13 respectively;
a fifteenth resistor R15, one end of the fifteenth resistor R15 is connected to the power supply, and the other end is connected to the collector of the second transistor 77;
a first diode D1, an anode of the first diode D1 is connected with an emitter of the second transistor 77, and a cathode of the first diode D1 is grounded through a sixteenth resistor R16;
a first transistor 76, an anode of the first diode D1 being connected to an emitter of the first transistor 76;
a fourteenth resistor R14, one end of the fourteenth resistor R14 is connected to the collector of the first transistor 76, and the other end of the fourteenth resistor R14 is connected to the power supply;
one end of a fourth capacitor C4, one end of the fourth capacitor C4 is connected to the base of the first transistor 76, and the other end of the fourth capacitor C4 is connected to a tenth resistor R10 and a twelfth resistor R12, respectively.
The working principle and the beneficial effects of the technical scheme are as follows: in the technical scheme, the flow sensor is used for acquiring the gas flow value information of the gas inlet pipe and sending the information to the first controller; the pressure sensor is used for collecting the pressure value of the gas in the combustion chamber and transmitting the pressure value to the first controller, and the first controller controls the flow control valve to work according to the pressure value of the gas in the combustion chamber; the first controller is provided with a pressure standard value, and when the gas pressure value in the combustion chamber reaches the pressure standard value, the first controller closes the flow control valve and stops introducing air into the combustion chamber;
the first controller generates a control signal source for the pressure control circuit and transmits the control signal source to the pressure control circuit, the pressure control circuit controls the flow control valve to work, and the pressure sensor acquires the information of the gas pressure value in the combustion chamber through the detection circuit;
the pressure control circuit comprises the amplifying circuit, an integrating circuit, a differential circuit, a PNP type triode 74 and a fifth capacitor C5, the signal source sent by the first controller reaches the integrating circuit after being amplified by the amplifying circuit, the signal source is transmitted to the PNP type triode 74 after being integrated, the signal source is connected with a non-inverting input end of the integrating circuit through the differential circuit after being amplified by the PNP type triode 74 to form a closed-loop control network, one end of the fifth capacitor C5 is grounded, the other end of the fifth capacitor C5 is connected with the differential circuit and the PNP type triode 74 respectively and outputs a voltage control source, and the circuit can output a precise voltage control source.
In the pressure detection circuit, the tenth resistor R10, the eleventh resistor R11, the twelfth resistor R12 and the thirteenth resistor R13 form an H bridge, temperature change can be reduced to the minimum, meanwhile, temperature compensation is formed through the first diode D2, differential pressure change generated by temperature change of the tenth resistor R10, the eleventh resistor R11, the twelfth resistor R12 and the thirteenth resistor R13 is compensated, the anti-interference capability of the circuit on temperature is further reduced, and therefore the reliability of pressure detection is improved.
In one embodiment, as shown in fig. 7, the exhaust gas recovery device 9 is further included, the exhaust end 323 of the exhaust passage is connected with the first exhaust pipe 8, and the exhaust gas recovery device 9 includes:
the bottom end of the box body 91 is provided with a waste gas inlet, the top end of the box body 91 is provided with a clean gas outlet, and the waste gas inlet is communicated with the gas outlet end of the first exhaust pipe 8;
an air inducing chamber 92, wherein the air inducing chamber 92 is arranged at the bottom in the box body 91;
the first induced draft fan 93 is arranged on the inner wall of the top end of the induced draft chamber 92;
a cleaning chamber 94, wherein the cleaning chamber 94 is arranged above the air intake chamber 92 in the box body 91, a vertical partition 943 is arranged in the middle of the cleaning chamber 94, and the cleaning chamber 94 is divided into a left cleaning chamber 941 and a right cleaning chamber 942; cleaning liquids in the left cleaning chamber 941 and the right cleaning chamber 942 are arranged according to the type of the discharged waste gas and are used for carrying out absorption reaction with toxic and harmful gases in the waste gas;
two opposite outer side walls of the box body 91 at the position of the cleaning chamber 94 are respectively provided with a protective cover 95, a motor 96 is arranged in the protective cover 95, and a motor shaft of the motor 96 is horizontally arranged and penetrates through the side wall of the box body 91 to extend into the cleaning chamber 94; specifically, the motor shaft of the motor that the left side lateral wall set up stretches into left cleaning chamber, and the motor shaft of the motor that the right side lateral wall set up stretches into right cleaning chamber, and this structural symmetry is equipped with 2 motors 96, has improved structural stability.
The rotating shaft 97 is horizontally arranged, the rotating shaft 97 penetrates through the vertical partition 943, two ends of the rotating shaft 97 are respectively located in the left cleaning chamber 941 and the right cleaning chamber 942, two ends of the rotating shaft 97 are respectively fixedly connected with one ends, located in the cleaning chambers, of motor shafts of the two motors 96, and blades 971 are arranged on the inner periphery sides of the rotating shaft 97, located in the left cleaning chamber 941 and the left cleaning chamber 941;
the fourth exhaust pipe 98 is horizontally arranged at the bottom of the cleaning chamber 94, the fourth exhaust pipe 98 penetrates through the vertical partition plate 943, two ends of the fourth exhaust pipe 98 are respectively positioned in the left cleaning chamber 941 and the right cleaning chamber 942, and a plurality of exhaust through holes 981 are formed in the lower ends of the inner parts of the fourth exhaust pipe 98, which are positioned in the left cleaning chamber 941 and the right cleaning chamber 942;
a second exhaust pipe 99 is installed at the upper end of the left cleaning chamber 941, a third exhaust pipe 910 is installed at the upper end of the right cleaning chamber 942, the second exhaust pipe 99 and the third exhaust pipe 910 are arranged in a crossed manner, and the second exhaust pipe 99 and the third exhaust pipe 910 discharge the exhaust gas discharged from the cleaning chamber 94 to the upper part of the cleaning chamber 94 in the tank body 91;
a plurality of filter layers disposed above the cleaning chamber 94, the plurality of filter layers including: the electrostatic absorption layer 911 and the nanometer activated carbon filter layer 912 are arranged from bottom to top at intervals, and the electrostatic absorption layer 911 and the nanometer activated carbon filter layer 912 are both connected with the periphery of the inner wall of the box body 91; the electrostatic adsorption layer 911 is used for collecting charged particulate pollutants in the exhaust gas, and the nano activated carbon has the advantages of high adsorption speed, large adsorption capacity and easy regeneration;
a second induced draft fan 915 is arranged at the top end in the box body 91 and used for guiding the waste gas discharged by the second exhaust pipe 99 and the third exhaust pipe 910 to the filter layer for filtering and then discharging the filtered waste gas through the clean gas outlet;
two U-shaped pipes 913, air outlets of the air induction chamber 92 are respectively arranged on two opposite sides of the air induction chamber 92, the two U-shaped pipes 913 are respectively arranged on two opposite outer side walls of the box body 91, one end of each U-shaped pipe 913 is respectively communicated with the air outlets of the two air induction chambers 92, and the other end of each U-shaped pipe 913 is respectively communicated with two ends of the fourth exhaust pipe 98;
and the second controller is arranged in the induced draft chamber 92 and is respectively and electrically connected with the first induced draft fan 93, the second induced draft fan 915 and the motor 96.
The working principle and the beneficial effects of the technical scheme are as follows: the second controller controls the first induced draft fan 93, the second induced draft fan 915 and the motor 96 to work, the waste gas discharged by the exhaust passage 32 is sucked into the induced draft chamber 92 through the first exhaust pipe 8, then enters the fourth exhaust pipe 98 through the U-shaped pipe 913, enters the left and right cleaning chambers 941 and 942 through the exhaust through hole 981 of the fourth exhaust pipe 98, absorbing reaction with the cleaning liquid in the left cleaning chamber 941 and the cleaning chamber 94, the motor 96 drives the rotating shaft 97 to rotate, the blades 971 on the rotating shaft 97 stir the cleaning liquid to accelerate the reaction between the waste gas and the cleaning liquid, the waste gas after reaction is discharged to the upper part of the cleaning chamber 94 through the second exhaust pipe 99 and the third exhaust pipe 910 respectively, then the gas passes through the electrostatic adsorption layer 911 and the nano activated carbon adsorption layer above the cleaning chamber 94 in sequence for filtration, and the filtered clean gas is discharged through the clean gas outlet at the top end of the box body 91. According to the technical scheme, the two cleaning chambers 94 and the blades 971 are arranged to stir the cleaning liquid, so that the full reaction of the waste gas and the cleaning liquid can be accelerated, and the waste gas purification efficiency is improved; and the waste gas is absorbed through reaction and filtered by two filter layers, so that the waste gas can be fully purified.
In one embodiment, the sidewall of the box 91 is further provided with a first liquid inlet pipe connected to the liquid inlet of the left cleaning chamber 941 and a second liquid inlet pipe connected to the liquid inlet of the right cleaning chamber 942, the first and second liquid inlet pipes are connected to each other by an electromagnetic valve, the left and right cleaning chambers 941, 942 are provided with liquid level sensors therein, and the electromagnetic valves and the liquid level sensors are electrically connected to the second controller.
The working principle and the beneficial effects of the technical scheme are as follows: the liquid level sensor in the left cleaning chamber 941 is used for acquiring information of a liquid level value in the left cleaning chamber 941 and sending the information to the second controller, the second controller compares the information of the liquid level value in the left cleaning chamber 941 with a preset liquid level standard value of the left cleaning chamber 941, and when the information of the liquid level value in the left cleaning chamber 941 reaches the preset liquid level standard value of the left cleaning chamber 941, the second controller closes the electromagnetic valve connected to the first liquid inlet pipe to prevent the liquid level in the left cleaning chamber 941 from being too high and affecting work;
the liquid level sensor in the right cleaning chamber 942 is used for collecting the information of the liquid level value in the right cleaning chamber 942 and sending the information to the second controller, the second controller compares the liquid level value in the first cleaning chamber 94 with the liquid level standard value in the right cleaning chamber 942, and when the liquid level value in the right cleaning chamber 942 reaches the liquid level standard value in the right cleaning chamber 942, the second controller closes the electromagnetic valve connected to the second liquid inlet pipe to prevent the liquid level in the right cleaning chamber 942 from being too high and influencing the work.
In one embodiment, a gas sensor is further disposed at a clean gas outlet in the box 91, the gas sensor is used for detecting concentration value information of toxic and harmful gases at the clean gas outlet, and an input end of the second controller is connected to a signal output end of the gas sensor;
a liquid crystal display screen is further arranged outside the box body 91 and is connected with the output end of the second controller, an alarm is further arranged on the liquid crystal display screen, and the output end of the second controller is connected with the alarm;
and standard values of the concentrations of the toxic and harmful gases are preset in the second controller.
The working principle and the beneficial effects of the technical scheme are as follows: the gas sensor detects clean gas outlet has poison, harmful gas concentration value information to the poisonous, harmful gas concentration value information transmission who detects gives the second controller, and the second controller compares it with poisonous, harmful gas concentration standard value, and when the poisonous, harmful gas concentration value that detects surpassed poisonous, harmful gas concentration standard value, the second controller control alarm was reported to the police, and will: alarm information, the poisonous and harmful gas concentration value that detects, poisonous and harmful gas concentration standard value pass through liquid crystal display and show to laboratory staff can in time discover that clean gas outlet has the poison, harmful gas concentration value unusual, thereby can in time overhaul waste gas recovery device 9, guarantee waste gas recovery device 9's purifying effect.
The embodiment of the invention also provides a gasoline engine, which comprises an engine, wherein the engine is provided with the air passage, the gasoline engine is also provided with an intelligent fuel oil detection device, the intelligent fuel oil detection device can automatically detect whether the current fuel oil entering the combustion chamber meets the preset standard, and early warning processing is carried out when the current fuel oil does not meet the preset standard, wherein the intelligent fuel oil detection device comprises the following specific steps:
the intelligent fuel oil detection device is arranged outside the engine host, a detection database and a camera are arranged in the intelligent fuel oil detection device, Q images of the surfaces of fuel oil with different qualities exist in the detection database, the images are M pixel points by N, M is N, the Q images are subjected to graying processing to obtain Q grayed images, Q pixel point matrixes are formed according to the pixel point composition of each grayed image, and whether the quality of the fuel oil corresponding to each grayed image meets a preset standard or not is marked;
extracting current fuel oil from an oil tank connected with a combustion chamber, shooting a current image of the surface of the current fuel oil by using the camera to form an image to be detected, carrying out graying processing on the image to be detected, and forming a pixel matrix B corresponding to the image to be detected according to pixel points of the image to be detected after graying processing;
calculating a tolerance ratio between the pixel matrix B and Q grayed images in the detection database by using formula (1);
Figure GDA0002395797980000191
wherein D isiIs the tolerance ratio of matrix B to the ith greyed image in the detection database,
Figure GDA0002395797980000192
is the value of the pixel point at the position of the s-th row and t-th column of the ith gray image in the detection database, BsT is the value of the pixel point in the s-th row and t-th column of the matrix B, i is 1, 2 and 3 … … Q;
extracting the P gray images with the minimum tolerance ratio, obtaining pixel point matrixes A corresponding to the P gray images, and obtaining P matrixes A; respectively calculating the corresponding singular eigenvalue of each matrix in the P matrixes A and B by using a formula (2);
|LL*LLT-λE|＝0
Figure GDA0002395797980000193
wherein LL is a matrix of singular eigenvalues to be solved, the value of LL is one of P +1, namely one of P matrixes A and B, and LL isTThe method comprises the steps that a matrix LL is transposed, E is an M-order identity matrix, lambda is a value obtained by solving the middle, singular eigenvalues obtained by solving the P +1 matrixes LL are all M values, sigma is a singular eigenvalue obtained by solving the final, sigma of each matrix LL is a vector containing M values, and the M values are sequenced from large to small to form a vector CC;
defining the vector CC corresponding to the matrix B as a vector C, making a row of P vectors CC corresponding to P matrixes A according to each vector to form a matrix F, wherein the matrix F is a matrix with P rows and M columns, and each row represents a singular eigenvalue corresponding to the matrix A;
then, the distance between the vector C and the singular eigenvalue of each row in the matrix F is calculated by using the formula (3)
Figure GDA0002395797980000201
Where ρ isjIs the distance between the vector C and the singular eigenvalue of the j-th line in F, e is a natural constant, C is the vector C, CiIs the ith value of vector C, CtIs the t-th value, F, of vector CjiIs the value of the jth row and ith column of the matrix F, FjqIs the value of the jth row and qth column of the matrix F, Fj TFor the transpose of the J-th row of the matrix F, M is the number of values in each row of the matrix F, i is 1, 2, 3 … … M, J is 1, 2, 3 … … P, t is 1, 2, 3 … … M, q is 1, 2, 3 … … M, and all solved ρ is extractedjMinimum value of (1)sS is less than or equal to j, the minimum value ρsAnd (3) solving the obtained value for the S-th row of the matrix F by using a formula (3), wherein the S-th matrix A in the P matrixes A corresponding to the singular characteristic value vector of the S-th row of the matrix F is a corresponding matrix A, the gray image in the detection database corresponding to the S-th matrix A is a gray image corresponding to the image to be detected, whether the quality of the fuel oil marked by the gray image in the detection database corresponding to the S-th matrix A meets a preset standard or not is judged, namely whether the finally confirmed current fuel oil quality meets the preset standard or not, and if not, early warning processing is carried out.
The beneficial effects of the above technical scheme are: by utilizing the technology, the quality of the fuel can be clearly obtained only by utilizing the shot fuel photos under the condition of not carrying out chemical inspection or a large amount of physical inspection on the fuel, so that whether the quality of the fuel is qualified or not is obtained, an alarm is given out when the quality is not qualified, in the inspection process, the inspection process is staged by utilizing a formula (1), a small amount of images with matching performance can be taken out from a database with a large amount of data by utilizing a tolerance rate to carry out subsequent operation, the calculated amount is greatly reduced, P matrixes in the database can be converted into a matrix with P rows and M columns by utilizing a formula (2), the information content contained in the data cannot be reduced, the calculation is greatly optimized, and the quality of the fuel to be inspected can be clearly obtained by utilizing a formula (3), and the fuel which does not accord with the combustion quality is discharged, so that the combusted fuel not only has better combustion effect, but also can better protect the quality of an engine and the environment.
In one embodiment, in order to make the fuel burn sufficiently and make efficient use of the engine, the gasoline engine is also provided with an automatic energy-saving device, and the automatic energy-saving device determines the intelligent fuel consumption of the combustion chamber per hour by using a formula (4) for qualified fuel;
Figure GDA0002395797980000211
the fuel consumption per hour is finally determined, PZ is preset fuel consumption per hour of the combustion chamber, R is the engine power, MM is the pressure of the combustion chamber and is measured in bar, Py is the temperature of the combustion chamber and is measured in K, and Pk is the temperature of the environment where the engine is located and is measured in K;
and finally, intelligently controlling the fuel quantity introduced into the engine according to the obtained YL.
The beneficial effects of the above technical scheme are: the fuel consumption required in the combustion chamber per hour is intelligently adjusted by calculating the formula (4) in consideration of the quality of fuel, the condition of the engine and the environment condition, so that the fuel can be fully utilized under the condition of the best working efficiency of the engine, and the waste condition is avoided.
It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and that the above-described embodiments may be combined with each other without conflict.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. A gasoline engine, comprising: engine and fuel intellectual detection system device, the engine is provided with the air flue, the air flue includes:
the combustion chamber is provided with an air inlet part and an exhaust part on two opposite sides respectively;
the air intake portion includes: the two intake valves are arranged on the first side wall of the combustion chamber; the air inlet end of the air inlet channel is provided with a first air inlet, the air outlet end of the air inlet channel is provided with two first air outlets, the first air inlets are communicated with one ends of the two first air outlets, and the other ends of the two first air outlets are respectively communicated with the two inlet valves;
the exhaust portion includes: the two exhaust valves are arranged on the side wall of the second side of the combustion chamber, the first side of the combustion chamber is opposite to the second side of the combustion chamber, and the two exhaust valves are respectively arranged opposite to the two intake valves; the air inlet end of the exhaust passage is provided with two second air inlets, one ends of the two second air inlets are respectively communicated with the two exhaust valves, the exhaust end of the exhaust passage is provided with a second exhaust port, and the second exhaust port is communicated with the other ends of the two second air inlets;
the intelligent fuel oil detection device can automatically detect whether the current fuel oil entering the combustion chamber meets a preset standard or not, and carries out early warning processing when the current fuel oil does not meet the preset standard, wherein the intelligent fuel oil detection device comprises the following specific steps:
the intelligent fuel oil detection device is arranged outside the engine host, a detection database and a camera are arranged in the intelligent fuel oil detection device, Q images of the surfaces of fuel oil with different qualities exist in the detection database, the images are M pixel points by N, M is N, Q images are subjected to graying processing to obtain Q grayed images, Q pixel point matrixes are formed according to the pixel point composition of each grayed image, and whether the quality of the fuel oil corresponding to each grayed image meets a preset standard or not is marked;
extracting current fuel oil from an oil tank connected with a combustion chamber, shooting a current image of the surface of the current fuel oil by using the camera to form an image to be detected, carrying out graying processing on the image to be detected, and forming a pixel matrix B corresponding to the image to be detected according to pixel points of the image to be detected after graying processing;
calculating a tolerance ratio between the pixel matrix B and Q grayed images in the detection database by using formula (1);
Figure FDA0002395797970000021
wherein D isiIs the tolerance ratio of matrix B to the ith greyed image in the detection database,
Figure FDA0002395797970000022
is the value of the pixel point at the position of the s-th row and t-th column of the ith gray image in the detection database, Bs,tThe value of a pixel point in the s-th row and t-th column of the matrix B is 1, 2, 3 … … Q;
extracting the P gray images with the minimum tolerance ratio, obtaining pixel point matrixes A corresponding to the P gray images, and obtaining P matrixes A; respectively calculating the corresponding singular eigenvalue of each matrix in the P matrixes A and B by using a formula (2);
|LL*LLT-λE|＝0
Figure FDA0002395797970000023
wherein LL is a matrix of singular eigenvalues to be solved, the value of LL is one of P +1, namely one of P matrixes A and B, and LL isTThe method comprises the steps that a matrix LL is transposed, E is an M-order identity matrix, lambda is a value obtained by solving the middle, singular eigenvalues obtained by solving the P +1 matrixes LL are all M values, sigma is a singular eigenvalue obtained by solving the final, sigma of each matrix LL is a vector containing M values, and the M values are sequenced from large to small to form a vector CC;
defining the vector CC corresponding to the matrix B as a vector C, making a row of P vectors CC corresponding to P matrixes A according to each vector to form a matrix F, wherein the matrix F is a matrix with P rows and M columns, and each row represents a singular eigenvalue corresponding to the matrix A;
then, the distance between the vector C and the singular eigenvalue of each row in the matrix F is calculated by using the formula (3)
Figure FDA0002395797970000031
Where ρ isjIs the distance between the vector C and the singular eigenvalue of the j-th line in F, e is a natural constant, C is the vector C, CiIs the ith value of vector C, CtIs the t-th value, F, of vector CjiIs the value of the jth row and ith column of the matrix F, FjqIs the value of the jth row and qth column of the matrix F, Fj TFor the transpose of the J-th row of the matrix F, M is the number of values in each row of the matrix F, i is 1, 2, 3 … … M, J is 1, 2, 3 … … P, t is 1, 2, 3 … … M, q is 1, 2, 3 … … M, and all solved ρ is extractedjMinimum value of (1)sS is less than or equal to j, the minimum value ρsSolving values obtained by using a formula (3) for the S-th row of the matrix F, wherein the S-th matrix A in the P matrixes A corresponding to the singular eigenvalue vector of the S-th row of the matrix F is the corresponding matrix A, and the gray-scale map in the detection database corresponding to the S-th matrix A isAnd if the current fuel quality meets the preset standard, performing early warning processing on the fuel quality if the current fuel quality does not meet the preset standard.
2. The gasoline engine of claim 1 wherein the first side wall of the combustion chamber is provided with a first piston hole therethrough for receiving a first piston, and the second side wall of the combustion chamber is provided with a second piston hole therethrough for receiving a second piston, the first piston hole and the second piston hole being disposed opposite to each other.
3. The gasoline engine of claim 1 wherein the intake and exhaust portions are symmetrical to each other.
4. The gasoline engine of claim 1, wherein the combustion chamber is formed by splicing a first combustion chamber and a second combustion chamber which are oppositely arranged, the side of the first combustion chamber opposite to the splicing side of the first combustion chamber is the first side of the combustion chamber, the side of the second combustion chamber opposite to the splicing side of the second combustion chamber is the second side of the combustion chamber, the first combustion chamber is arranged on a first connecting part, the second combustion chamber is arranged on a second connecting part, the air inlet channel is arranged on the first connecting part, and the air outlet channel is arranged on the second connecting part.
5. The gasoline engine as defined in claim 4, wherein the first connecting part and the second connecting part are detachably connected.
6. The gasoline engine of claim 2, wherein a pressure sensor is arranged in the first piston hole or the second piston hole near the inner side of the combustion chamber, an air inlet pipe is connected to the air inlet end of the air inlet channel, a first exhaust pipe is connected to the exhaust end of the exhaust pipe, a flow control valve is connected to the air inlet pipe, and a flow sensor is arranged in the air inlet pipe; the first controller is electrically connected with the flow sensor and the pressure sensor, and is provided with a pressure control circuit which is connected with the flow control valve;
the pressure control circuit includes:
a third integrated operational amplifier having a non-inverting input grounded;
the inverting input end of the third integrated operational amplifier is connected with one end of a third resistor, and the other end of the third resistor is connected with the output end of the third integrated operational amplifier;
one end of the first resistor is connected with the inverting input end of the third integrated operational amplifier, and the other end of the first resistor is connected with a signal source sent by the first controller;
the inverting input end of the second integrated operational amplifier is connected with a fourth resistor, and the other end of the fourth resistor is connected with the output end of the third integrated operational amplifier;
the anode of the Zener diode is connected with the output end of the second integrated operational amplifier;
one end of the second capacitor is connected with the output end of the second integrated operational amplifier and the anode of the Zener diode, and the other end of the second capacitor is connected with the inverting input end of the second integrated operational amplifier;
one end of the sixth resistor is connected with the cathode of the Zener diode;
the base electrode of the PNP type triode is connected with the other end of the sixth resistor;
one end of the second resistor is connected with an emitting electrode of the PNP type triode, and the other end of the second resistor is connected with a negative electrode of the Zener diode;
one end of the eighteenth resistor is connected with the base electrode of the PNP type triode, and the other end of the eighteenth resistor is connected with the emitting electrode of the PNP type triode;
one end of the first capacitor is grounded, and the other end of the first capacitor is connected with an emitting electrode of the PNP type triode;
one end of the third capacitor is grounded, and the other end of the third capacitor is connected with an emitting electrode of the PNP type triode;
the non-inverting input end of the second integrated operational amplifier is connected with the output end of the first integrated operational amplifier;
one end of the ninth resistor is grounded, and the other end of the ninth resistor is connected with the non-inverting input end of the first integrated operational amplifier;
one end of the fifth resistor is connected with the non-inverting input end of the second integrated operational amplifier, and the other end of the fifth resistor is connected with the inverting input end of the first integrated operational amplifier;
one end of the eighth resistor is connected with a collector of the PNP type triode, and the other end of the eighth resistor is connected with a non-inverting input end of the first integrated operational amplifier;
one end of the fifth capacitor is grounded;
one end of the seventh resistor is connected with the other end of the fifth capacitor, and the other end of the seventh resistor is connected with the inverting input end of the first integrated operational amplifier;
one end of the seventeenth resistor is connected with the other end of the fifth capacitor, and the other end of the seventeenth resistor is connected with a collector of the PNP triode;
the pressure sensor is connected with a detection circuit, the detection circuit includes:
the circuit comprises a tenth resistor and a twelfth resistor, wherein one end of the tenth resistor is connected with one end of the twelfth resistor in series, and the other end of the twelfth resistor is grounded;
the anode of the second diode is connected with a power supply, and the cathode of the second diode is connected with the other end of the tenth resistor;
one end of the eleventh resistor is connected with one end of the thirteenth resistor in series, the other end of the thirteenth resistor is grounded, and the other end of the eleventh resistor is connected with the cathode of the second diode;
a base electrode of the second crystal triode is respectively connected with the eleventh resistor and the thirteenth resistor;
one end of the fifteenth resistor is connected with the power supply, and the other end of the fifteenth resistor is connected with the collector of the second transistor;
the anode of the first diode is connected with the emitter of the second crystal triode, and the cathode of the first diode is grounded through a sixteenth resistor;
the anode of the first diode is connected with the emitter of the first transistor;
one end of the fourteenth resistor is connected with a collector of the first transistor, and the other end of the fourteenth resistor is connected with a power supply;
and one end of the fourth capacitor is connected with the base electrode of the first transistor, and the other end of the fourth capacitor is respectively connected with the tenth resistor and the twelfth resistor.
7. The gasoline engine of claim 1, further comprising an exhaust gas recovery device, wherein a first exhaust pipe is connected to an exhaust end of the exhaust pipe, and the exhaust gas recovery device comprises:
the bottom end of the box body is provided with a waste gas inlet, the top end of the box body is provided with a clean gas outlet, and the waste gas inlet is communicated with the gas outlet end of the first exhaust pipe;
the air introducing chamber is arranged at the bottom in the box body;
the first induced draft fan is arranged on the inner wall of the top end of the induced draft chamber;
the cleaning chamber is arranged above the air introducing chamber in the box body, and a vertical partition plate is arranged in the middle of the cleaning chamber and divides the cleaning chamber into a left cleaning chamber and a right cleaning chamber;
the two opposite outer side walls of the box body, which are positioned at the cleaning chamber, are respectively provided with a protective cover, a motor is arranged in the protective covers, and a motor shaft of the motor is horizontally arranged and penetrates through the side walls of the box body to extend into the cleaning chamber;
the rotating shaft is horizontally arranged, penetrates through the vertical partition plate, two ends of the rotating shaft are respectively positioned in the left cleaning chamber and the right cleaning chamber, two ends of the rotating shaft are respectively fixedly connected with one ends, positioned in the cleaning chambers, of motor shafts of the two motors, and blades are arranged on the inner periphery of the rotating shaft positioned in the left cleaning chamber and the left cleaning chamber;
the fourth exhaust pipe is horizontally arranged at the bottom of the cleaning chamber, penetrates through the vertical partition plate, two ends of the fourth exhaust pipe are respectively positioned in the left cleaning chamber and the right cleaning chamber, and a plurality of exhaust through holes are formed in the lower ends of the parts, positioned in the left cleaning chamber and the right cleaning chamber, of the fourth exhaust pipe;
a second exhaust pipe is arranged at the upper end of the left cleaning chamber, a third exhaust pipe is arranged at the upper end of the right cleaning chamber, the second exhaust pipe and the third exhaust pipe are arranged in a crossed manner, and the second exhaust pipe and the third exhaust pipe exhaust waste gas exhausted from the cleaning chamber to the upper side of the cleaning chamber in the box body;
a plurality of filter layers, a plurality of filter layers set up in the purge chamber top, a plurality of filter layers include: the electrostatic adsorption layer and the nanometer activated carbon filter layer are arranged at intervals from bottom to top, and are connected with the periphery of the inner wall of the box body;
a second induced draft fan is arranged at the top end in the box body and used for guiding the waste gas discharged by the second exhaust pipe and the third exhaust pipe to the filter layer for filtering and then discharging the filtered waste gas through the clean gas outlet;
the two U-shaped pipes are respectively provided with an air inducing chamber air outlet at two opposite sides of the air inducing chamber, the two U-shaped pipes are respectively arranged on two opposite outer side walls of the box body, one ends of the two U-shaped pipes are respectively communicated with the two air inducing chamber air outlets, and the other ends of the two U-shaped pipes are respectively communicated with two ends of a fourth exhaust pipe;
and the second controller is arranged in the induced draft chamber and is respectively electrically connected with the first induced draft fan, the second induced draft fan and the motor.
8. The gasoline engine as defined in claim 7, wherein the side wall of the tank body is further provided with a first liquid inlet pipe communicated with the liquid inlet of the left cleaning chamber and a second liquid inlet pipe communicated with the liquid inlet of the right cleaning chamber, the first liquid inlet pipe and the second liquid inlet pipe are both connected with electromagnetic valves, liquid level sensors are both arranged in the left cleaning chamber and the right cleaning chamber, and the electromagnetic valves and the liquid level sensors are both electrically connected with a second controller;
the clean gas outlet in the box body is also provided with a gas sensor, the gas sensor is used for detecting concentration value information of toxic and harmful gases at the clean gas outlet, and the input end of the second controller is connected with the signal output end of the gas sensor;
a liquid crystal display screen is further arranged outside the box body and connected with the output end of the second controller, an alarm is further arranged on the liquid crystal display screen, and the output end of the second controller is connected with the alarm;
and standard values of the concentrations of the toxic and harmful gases are preset in the second controller.
9. The gasoline engine of claim 1,
in order to make the fuel burn fully and make efficient use of the engine, the gasoline engine is also provided with an automatic energy-saving device, and the automatic energy-saving device determines the intelligent fuel consumption of the combustion chamber per hour by using a formula (4) on the fuel with qualified quality;
Figure FDA0002395797970000081
the fuel consumption per hour is finally determined, PZ is preset fuel consumption per hour of the combustion chamber, R is the engine power, MM is the pressure of the combustion chamber and is measured in bar, Py is the temperature of the combustion chamber and is measured in K, and Pk is the temperature of the environment where the engine is located and is measured in K;
and finally, intelligently controlling the fuel quantity introduced into the engine according to the obtained YL.
CN201910551847.1A 2019-06-25 2019-06-25 Gasoline engine Active CN110259612B (en)

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