CN213063768U - Engine adaptable to various fuels - Google Patents
Engine adaptable to various fuels Download PDFInfo
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- CN213063768U CN213063768U CN202021770983.4U CN202021770983U CN213063768U CN 213063768 U CN213063768 U CN 213063768U CN 202021770983 U CN202021770983 U CN 202021770983U CN 213063768 U CN213063768 U CN 213063768U
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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
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses an engine which can adapt to various fuels, belonging to the technical field of gas engines and comprising an air inlet pipe and an engine, the air inlet pipe is provided with a control valve for adjusting the air inlet pressure, the control valve comprises a valve plate, the surface of the valve plate is provided with a plurality of air inlets, the control valve is electrically connected with a PLC controller, by adjusting the rotation angle of the valve plate of the control valve, further controlling the flow rate of air intake and the pressure of the air intake, when a large rotating speed and a large output power are required, the gas engine sends out an instruction through the PLC, the servo motor drives the valve plate to rotate through the rotation of the servo motor, the flow and the pressure of air inlet are improved, and then improve the air-fuel ratio, the PLC controller is connected with and is used for rotational speed measuring apparatu and temperature, and rotational speed measuring apparatu is used for detecting the rotational speed of gas engine flywheel, and temperature sensor is used for detecting the temperature of gas engine blast pipe.
Description
Technical Field
The utility model belongs to the technical field of gas engine, specifically relate to an engine of adaptable multiple fuel.
Background
The gas burnt by the gas engine is the mixed gas of air and gas, the mixed proportion (air-fuel ratio for short) has larger influence on the parts of the gas engine, and the mixed gas amount is different under the conditions of different rotating speeds and different output powers, so that the air inflow is required to be adjustable, and the synchronous adjustment is required to be matched with the gas amount.
The gas is various, mainly including natural gas, artificial gas, liquefied petroleum gas, biogas and coal gas, wherein after the supply of the artificial gas is greatly increased in 1990, the artificial gas is in a slow increasing stage due to the defects of high pollution, high toxicity and the like; the liquefied petroleum gas is influenced by the rising of the petroleum price, and the supply quantity is kept stable; compared with gasoline and diesel oil, the price of the natural gas with the same heat value is 30-50% lower, the natural gas has obvious economy, meanwhile, the country pays more and more attention to environmental protection, the market continuously increases the demand of clean energy, and the natural gas is used as clean, efficient and cheap energy, so that the consumption of the natural gas is rapidly developed.
Different fuel gases are different greatly, but the change of the heat value of a certain combustible gas is relatively stable in a certain period, and in order to ensure the operation stability and the working condition of the gas engine in a certain time, the gas pressure of the gas engine needs to be monitored and controlled within a certain range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the operating stability and the operating mode in the definite time of in order to guarantee gas engine among the prior art are good, the difficult problem of adjusting of gas pressure, aim at provides the engine of an adaptable multiple fuel.
The utility model discloses a following technical scheme realizes:
the utility model provides an engine of adaptable multiple fuel, including air intake pipe and engine, be provided with the control valve that is used for adjusting inlet pressure in the air intake pipe, the control valve includes the valve block, a plurality of inlet ports have been seted up on the valve block surface, the control valve electricity is connected with the PLC controller, rotation angle through adjusting the control valve block, and then the flow that the control air admitted, the pressure that the control air admitted, when needs great rotational speed, during great output, gas engine passes through the PLC controller and gives an instruction, it is rotatory through the servo motor of execution, servo motor drives the valve block rotatory, improve the flow and the pressure that the air admitted, and then improve the air-fuel ratio.
The PLC is connected with a rotating speed measuring instrument and a temperature sensor, the rotating speed measuring instrument is used for detecting the rotating speed of a flywheel of the gas engine, and the temperature sensor is used for detecting the temperature of an exhaust pipe of the gas engine.
The utility model discloses a further preferred, the PLC controller is connected with servo motor, because servo motor is the motor commonly used among the precision control, control speed, position are very accurate. In an automatic control system, the actuator is used as an actuator, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into an angular displacement or an angular velocity on a motor shaft for output. Compared with a common motor, the motor can basically stop when stopping and walk when walking, has quick response, basically has no inertia, and does not need to consider the rotating speed error during starting. Compared with a stepping motor, the stepping motor has no step-out phenomenon. Therefore, the air inflow of the control valve is finely adjusted by the servo motor, and as a result, the servo motor is very accurately connected with a rotary pull rod for rotating the valve plate, and the rotary pull rod is connected with the valve plate.
The utility model discloses a further preferred, the outer end of air intake pipe is provided with the air cleaner who is used for filtered air, and the air that gets into gas engine like this is cleaner, can not influence gas engine's impurity and big dust.
The utility model discloses a further preferred, the department of admitting air of air intake pipe is provided with air flow meter, and air flow meter is connected with the PLC controller electricity, and air flow meter establishes in the air valve the inside of air intake pipe, also gathers the air input that enters into gas engine in real time exactly, can carry out further fine setting to air input, as an auxiliary method.
The utility model discloses a further preferred, the rotational speed measuring apparatu is a photoelectric speedometer, and photoelectric speedometer as an optimal electronic component, for the common electronic component in this field, the utility model people do not describe here in detail.
The utility model discloses a further preferred, temperature sensor is a thermocouple, and the thermocouple is the temperature sensor of common contact, establishes the thermocouple at gas engine exhaust pipe inner wall, just can measure the exhaust temperature of engine in real time. Those skilled in the art will appreciate that other temperature sensors, including non-contact, are possible.
The working principle is as follows: the utility model discloses an adjusting the rotation angle of valve block, and a plurality of inlet ports have been seted up on the valve block of control valve, through above-mentioned two kinds of modes, the inlet pressure of air conditioning intake pipe, and control through the PLC controller, the PLC controller passes through rotational speed measuring apparatu and temperature sensor data such as gas engine's rotational speed and exhaust temperature in real time collection, then finely tune the air intake volume of air valve two, control the change volume in the unit interval of feeding air, and then control air-fuel ratio, reach control gas engine operating mode and the stable purpose of operation, can realize the accurate regulation of gas engine air-fuel ratio, improve gas engine work efficiency, and then increase the output of unit gas, and it is safer.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses an adjusting the rotation angle of valve block, and set up a plurality of inlet ports on the valve block of control valve, through above-mentioned two kinds of modes, adjust the inlet pressure of air intake pipe, and control through the PLC controller, the PLC controller gathers data such as the rotational speed of gas engine and exhaust temperature through rotational speed measuring apparatu and temperature sensor in real time, then finely tune the air intake flow of air valve two, control the change volume in the unit interval of feed air, and then control the air-fuel ratio, reach the purpose of controlling gas engine operating mode and operation stability, compared with the prior art, the utility model discloses simple structure, the rotation angle of control valve, and set up the inlet port on the valve block surface, carry out a dynamic deviation rectification process, can realize the accurate regulation of gas engine air-fuel ratio, improve gas engine work efficiency, thereby increasing the output power of unit gas and being safer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Reference numbers and corresponding part names:
1-air filter, 2-air inlet pipe, 3-engine, 4-PLC controller, 5-valve plate, 51-air inlet hole, 6-rotating speed measuring instrument, 7-temperature sensor, 8-servo motor, 9-rotary pull rod and 51-air inlet hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The present invention will be described in detail with reference to fig. 1.
The first embodiment is as follows: the utility model provides a gas engine 3's gas pressure governing system, including air intake pipe 2 and engine 3, be provided with the control valve that is used for adjusting inlet pressure in air intake pipe 2, the control valve includes valve block 5, a plurality of inlet ports 51 have been seted up on 5 surfaces of valve block, the control valve electricity is connected with PLC controller 4, rotation angle through adjusting control valve block 5, and then the flow that the control air admitted, the pressure that the control air admitted, when needs great rotational speed, during great output, gas engine 3 passes through PLC controller 4 and gives an instruction, servo motor 8 through the execution is rotatory, servo motor 8 drives valve block 5 rotatoryly, the flow and the pressure that the improvement air admitted, and then improve the air-fuel ratio.
The PLC controller 4 is connected with a rotating speed measuring instrument 6 and a temperature sensor 7, the rotating speed measuring instrument 6 is used for detecting the rotating speed of a flywheel of the gas engine 3, and the temperature sensor 7 is used for detecting the temperature of an exhaust pipe of the gas engine 3.
The PLC controller 4 is connected with a servo motor 8, and the servo motor 8 is a motor commonly used in precision control, so that the control speed and the position are very accurate. In an automatic control system, the actuator is used as an actuator, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into an angular displacement or an angular velocity on a motor shaft for output. Compared with a common motor, the motor can basically stop when stopping and walk when walking, has quick response, basically has no inertia, and does not need to consider the rotating speed error during starting. Compared with a stepping motor, the stepping motor has no step-out phenomenon. The air intake of the valve is finely controlled by the servo motor 8, with the result that the very precise servo motor 8 is connected with the rotary pull rod 9 for rotating the valve plate 5, the rotary pull rod 9 being connected with the valve plate 5.
The outer end of the air inlet pipe 2 is provided with an air filter 1 for filtering air, so that the air entering the gas engine 3 is clean, and impurities and large dust influencing the gas engine 3 can be avoided.
The working principle is as follows: the utility model discloses an adjusting valve block 5's rotation angle, and a plurality of inlet ports 51 have been seted up on the valve block 5 of control valve, through above-mentioned two kinds of modes, the inlet pressure of air-conditioning intake pipe 2, and control through PLC controller 4, PLC controller 4 gathers gas engine 3's rotational speed and data such as exhaust temperature through rotational speed measuring apparatu 6 and temperature sensor 7 in real time, then finely tune control valve's air intake volume, control the change volume in the unit interval of feeding air, and then control air-fuel ratio, reach control gas engine 3 operating mode and the stable purpose of operation, can realize the accurate regulation of 3 air-fuel ratios of gas engine, improve gas engine 3 work efficiency, and then increase the output of unit gas, and it is safer.
The second embodiment: an air flow meter is arranged at the air inlet of the air inlet pipe 2 and is electrically connected with the PLC 4, the air flow meter is arranged in an air valve of the air inlet pipe 2, namely, the air flow meter collects the air inflow entering the gas engine 3 in real time, and the air inflow can be further finely adjusted to serve as an auxiliary method.
The third embodiment is as follows: the tachometer 6 is a photoelectric tachometer, which is a preferred electronic component, and is a common electronic component in the field, and the utility model person does not describe in detail here.
The temperature sensor 7 is a thermocouple, which is a common contact type temperature sensor 7, and the exhaust temperature of the engine 3 can be measured in real time by arranging the thermocouple on the inner wall of the exhaust pipe of the gas engine 3. It will be appreciated by those skilled in the art that other temperature sensors 7, including non-contact, are possible.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. An engine capable of adapting to various fuels comprises an air inlet pipe (2) and an engine (3), and is characterized in that a control valve for adjusting inlet pressure is arranged on the air inlet pipe (2), the control valve comprises a valve plate (5), a plurality of air inlets (51) are formed in the surface of the valve plate (5), and the control valve is electrically connected with a PLC (programmable logic controller) (4);
the PLC (4) is connected with a rotating speed measuring instrument (6) and a temperature sensor (7), the rotating speed measuring instrument (6) is used for detecting the rotating speed of a flywheel of the gas engine (3), and the temperature sensor (7) is used for detecting the temperature of an exhaust pipe of the gas engine (3).
2. The engine capable of adapting to multiple fuels according to claim 1, wherein the PLC is connected with a servo motor (8), the servo motor (8) is connected with a rotary pull rod (9) for rotating the valve plate (5), and the rotary pull rod (9) is connected with the valve plate (5).
3. The engine capable of adapting to multiple fuels according to claim 1, characterized in that the outer end of the air inlet pipe (2) is provided with an air filter (1) for filtering air.
4. The engine capable of adapting to multiple fuels is characterized in that an air flow meter is arranged at the air inlet of the air inlet pipe (2), and the air flow meter is electrically connected with the PLC (4).
5. The multi-fuel adaptable engine according to claim 1, characterized in that the tachometer (6) is an electro-optical tachometer.
6. The multi-fuel adaptable engine of claim 1, characterized in that the temperature sensor (7) is a thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770983.4U CN213063768U (en) | 2020-08-21 | 2020-08-21 | Engine adaptable to various fuels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770983.4U CN213063768U (en) | 2020-08-21 | 2020-08-21 | Engine adaptable to various fuels |
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| Publication Number | Publication Date |
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| CN213063768U true CN213063768U (en) | 2021-04-27 |
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| CN202021770983.4U Active CN213063768U (en) | 2020-08-21 | 2020-08-21 | Engine adaptable to various fuels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028039A (en) * | 2023-07-14 | 2023-11-10 | 宁海县博宇翔鹰汽车部件有限公司 | Automatic control system of electric control valve for exhaust |
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2020
- 2020-08-21 CN CN202021770983.4U patent/CN213063768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028039A (en) * | 2023-07-14 | 2023-11-10 | 宁海县博宇翔鹰汽车部件有限公司 | Automatic control system of electric control valve for exhaust |
| CN117028039B (en) * | 2023-07-14 | 2024-04-16 | 宁海县博宇翔鹰汽车部件有限公司 | Automatic control system of electric control valve for exhaust |
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