CN220705810U - Three-fuel generator set - Google Patents
Three-fuel generator set Download PDFInfo
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- CN220705810U CN220705810U CN202322146214.7U CN202322146214U CN220705810U CN 220705810 U CN220705810 U CN 220705810U CN 202322146214 U CN202322146214 U CN 202322146214U CN 220705810 U CN220705810 U CN 220705810U
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- 239000000446 fuel Substances 0.000 title claims abstract description 260
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 142
- 239000002737 fuel gas Substances 0.000 claims abstract description 79
- 239000003345 natural gas Substances 0.000 claims abstract description 71
- 239000003915 liquefied petroleum gas Substances 0.000 claims abstract description 69
- 239000000295 fuel oil Substances 0.000 claims abstract description 64
- 230000001105 regulatory effect Effects 0.000 claims abstract description 40
- 239000003921 oil Substances 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 91
- 230000001276 controlling effect Effects 0.000 claims description 22
- 239000002828 fuel tank Substances 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 12
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of power supply equipment, in particular to a three-fuel generator set, which comprises a multi-fuel mixing device, a fuel gas conveying component, a fuel oil supply component, a fuel oil switching device and a control module, wherein the fuel oil supply component is connected with the multi-fuel mixing device to form an oil supply system, one end of the fuel oil conveying component is connected with the multi-fuel mixing device, the other end of the fuel oil conveying component is externally connected with a natural gas storage unit or a liquefied petroleum gas storage unit to form a natural gas supply system or a liquefied petroleum gas supply system, the multi-fuel mixing device comprises a fuel chamber, a fuel oil part, an air inlet pipe, an air inlet cavity, a fuel gas spray pipe, a fuel gas flow regulating component, a pressure sensor and an ECU (electronic control unit), the fuel oil switching device selects fuel, the control module controls the on-off of the fuel oil conveying component or the ECU electronic control unit controls the fuel oil part and the fuel oil supply component to work, three fuels such as flexibly select fuel oil, natural gas or liquefied petroleum gas are realized, and the economy and environmental friendliness of the generator set are improved.
Description
Technical Field
The utility model relates to the technical field of power supply equipment, in particular to a three-fuel generator set.
Background
At present, a large amount of generator sets, water pumps, cleaning machines, marine power and the like are used in the market, and fuel used by an engine is mainly fuel oil, and the portable energy-saving type energy-saving device is characterized by good portability. Along with the continuous enhancement of people's environmental awareness and the continuous development and utilization of natural gas resources, and in addition to the increasingly strict environmental emission regulations, the economy of the engine using liquefied petroleum gas and natural gas fuel is better.
Along with the increasingly severe requirements of engine or generator set emission, the existing electric injection control technology is a better scheme, but the technology is only suitable for fuel oil at present, and the technology does not exist for three fuels at the same time, and the natural gas and liquefied petroleum gas are more economical and environment-friendly than the fuel oil, so the existing generator set with the electric injection control technology is poorer in economical efficiency and environment-friendly, and the generator set with the electric injection control technology and capable of flexibly using the fuel oil, the natural gas and the liquefied petroleum gas is needed to meet the requirements of economy and environment protection of the generator set.
Disclosure of Invention
An object of the embodiment of the application is to provide a three-fuel generator set for solve among the prior art have the electric spray control technique the generating set unable three kinds of fuel of flexible use fuel, natural gas and liquefied petroleum gas, lead to generating set's economic nature and environmental protection nature relatively poor technical problem.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme:
the embodiment of the application provides a three-fuel generator set, which comprises a multi-fuel mixing device, a fuel gas conveying assembly, a fuel oil supply assembly, a fuel gas and fuel oil switching device and a control module;
the fuel oil supply assembly is connected with the multi-fuel mixing device to form an oil supply system;
one end of the fuel gas conveying assembly is connected with the multi-fuel mixing device, and the other end of the fuel gas conveying assembly is externally connected with a natural gas storage unit or a liquefied petroleum gas storage unit;
when the other end of the fuel gas conveying assembly is externally connected with the natural gas storage unit, the multi-fuel mixing device, the fuel gas conveying assembly and the natural gas storage unit form a natural gas supply system;
when the other end of the fuel gas conveying assembly is externally connected with the liquefied petroleum gas storage unit, the multi-fuel mixing device, the fuel gas conveying assembly and the liquefied petroleum gas storage unit form a liquefied petroleum gas supply system;
the fuel gas conveying component is used for conveying natural gas or liquefied petroleum gas and controlling the on-off of the natural gas supply system or the liquefied petroleum gas supply system;
the multi-fuel mixing device comprises a fuel chamber, a fuel oil part, an air inlet pipe, an air inlet cavity, a fuel gas spray pipe, a fuel gas flow regulating component, a pressure sensor and an ECU (electronic control unit);
one end of the fuel chamber is communicated with the engine, and the other end of the fuel chamber is provided with a throttle valve;
the ECU is electrically connected with the pressure sensor, the gas flow regulating assembly, the fuel part and the fuel supply assembly respectively;
the fuel oil part is connected with the fuel oil supply assembly and is used for controlling the on-off of the fuel oil supply system;
one end of the gas spray pipe is communicated with the fuel chamber, and the other end of the gas spray pipe is communicated with the air inlet cavity;
the gas flow regulating assembly is arranged at the top of the multi-fuel mixing device, and the lower end of the gas flow regulating assembly is arranged at the communication position of the gas inlet cavity and the gas spray pipe;
one end of the air inlet pipe is connected with the fuel gas conveying assembly, and the other end of the air inlet pipe is communicated with the air inlet cavity;
the pressure sensor is used for collecting the air pressure in the air inlet cavity;
the control module is electrically connected with the gas-fuel switching device, the ECU and the gas conveying assembly respectively;
the fuel gas and fuel oil switching device is provided with an electric switch, and the electric switch is used for converting fuel types selected by the fuel gas and fuel oil switching device into electric signals and transmitting the electric signals to the control module.
In the three-fuel generator set described in the embodiment of the present application, the gas flow adjustment assembly includes a first driving motor and an adjustment seat;
the first driving motor is arranged at the top of the multi-fuel mixing device, the output end of the first driving motor is connected with the adjusting seat, and the first driving motor is electrically connected with the ECU;
the adjusting seat is arranged at the communication part of the air inlet cavity and the gas spray pipe, and is movably embedded into the gas spray pipe under the driving of the first driving motor.
In the three-fuel generator set described in the embodiment of the present application, the multi-fuel mixing device further includes a second driving motor;
the output end of the second driving motor is connected with the throttle valve, and the second driving motor is electrically connected with the ECU and used for controlling the throttle valve to rotate.
In the three-fuel generator set described in the embodiment of the present application, the fuel gas delivery assembly includes an air intake device and a fuel gas delivery pipe;
the air inlet device comprises an air inlet, an air outlet and an electromagnetic valve;
the air inlet is externally connected with the natural gas storage unit or the liquefied petroleum gas storage unit;
the air outlet is connected with one end of the fuel gas conveying pipe, and the other end of the fuel gas conveying pipe is connected with the air inlet pipe;
the electromagnetic valve is arranged between the air inlet and the air outlet, is electrically connected with the control module and is used for controlling the on-off of the natural gas supply system or the liquefied petroleum gas supply system.
In the three-fuel generator set described in the embodiment of the present application, the fuel oil portion includes an oil inlet pipe and an oil nozzle;
one end of the oil inlet pipe is communicated with the fuel chamber, and the other end of the oil inlet pipe is connected with the fuel supply assembly;
the oil nozzle is arranged at one end of the oil inlet pipe, which is close to the fuel chamber, and is used for controlling the on-off of the oil inlet pipe;
the oil nozzle is electrically connected with the ECU.
In the three-fuel generator set described in the embodiments of the present application, the fuel supply assembly includes a fuel tank, a fuel pump, and a fuel pipe;
one end of the fuel pump is connected with the fuel tank;
one end of the fuel pipe is connected with the other end of the fuel pump, and the other end of the fuel pipe is connected with the fuel inlet pipe;
the fuel pump is electrically connected with the ECU.
In the three-fuel generator set according to the embodiment of the application, when the generator set is supplied with fuel, the electromagnetic valve is in a blocking state, the fuel nozzle is in a conducting state, and the fuel pump is in a working state so that fuel enters the multi-fuel mixing device from the fuel tank through the fuel pipe.
In the three-fuel generator set according to the embodiment of the application, when the generator set is supplied with natural gas, the air inlet is externally connected with the natural gas storage unit, the electromagnetic valve is in a conducting state, the oil nozzle and the fuel pump are in a closing state, and natural gas enters the multi-fuel mixing device through the air inlet device and the fuel gas conveying pipe, and the flow of the natural gas is regulated through the fuel flow regulating assembly.
In the three-fuel generator set according to the embodiment of the application, when the generator set is supplied with liquefied petroleum gas, the air inlet is externally connected with the liquefied petroleum gas storage unit, the electromagnetic valve is in a conducting state, the oil nozzle and the fuel pump are in a closing state, the liquefied petroleum gas enters the multi-fuel mixing device through the air inlet device and the fuel gas conveying pipe, and the flow of the liquefied petroleum gas is regulated through the fuel flow regulating assembly.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
as can be seen from the above technical solution, the three-fuel generator set provided in the embodiments of the present application includes a multi-fuel mixing device, a fuel gas delivery assembly, a fuel supply assembly, a fuel gas/fuel switching device, and a control module, where the multi-fuel mixing device includes a fuel chamber, a fuel portion, an air intake pipe, an air intake chamber, a fuel gas nozzle, a fuel gas flow regulating assembly, a pressure sensor, and an ECU electronic control unit, the control module is electrically connected to the fuel gas/fuel switching device, the ECU electronic control unit, and the fuel gas delivery assembly, the ECU electronic control unit is electrically connected to the pressure sensor, the fuel portion, and the fuel supply assembly, the multi-fuel mixing device and the fuel supply assembly form an oil supply system, the fuel portion is used for controlling on-off of the oil supply system, when the fuel gas delivery assembly is externally connected to the natural gas storage unit, the fuel gas delivery assembly is used for delivering natural gas, and controlling on-off of the natural gas supply system, when the fuel gas delivery assembly is externally connected to the liquefied petroleum gas storage unit, the fuel gas delivery assembly and the multi-fuel gas mixing device form a liquefied petroleum gas supply system, the fuel gas delivery assembly is used for delivering petroleum gas, and controlling on-off of the liquefied gas, and controlling the petroleum gas delivery system, and the fuel gas delivery assembly is in a common state when the fuel gas flow regulating assembly is in a power generation state, and the fuel gas supply unit is in a power generation state when the fuel gas supply unit is in a power mode, or a fuel gas supply state, the fuel oil part is in a blocking state, the fuel oil supply assembly is in a closing state, the natural gas or liquefied petroleum gas is realized to work, the technical problem that three fuels of fuel oil, natural gas and liquefied petroleum gas cannot be flexibly used by a generator set with an electronic injection control technology in the prior art, and the economical efficiency and the environmental protection performance are poor is solved, so that a user can flexibly select to use the three fuels of fuel oil, natural gas or liquefied petroleum gas, the economical efficiency and the environmental protection performance of the generator set are improved, and the unification of the economical efficiency and the environmental protection performance is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required for the description of the embodiments will be briefly introduced below, the drawings are not intended to be drawn to scale, and in the interest of clarity, not every component is labeled in every drawing. The drawings in the following description are only examples of embodiments of the present application and other drawings may be made from these drawings by those skilled in the art without undue burden. Wherein:
fig. 1 is a schematic structural diagram of a three-fuel generator set according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an oil supply system in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a natural gas supply system according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a liquefied petroleum gas supply system according to an embodiment of the present application.
Fig. 5 is a front view of a multi-fuel mixing device in an embodiment of the present application.
Fig. 6 is a cross-sectional view of a multi-fuel mixing device in an embodiment of the present application.
Fig. 7 is a schematic structural diagram of an air intake device in an embodiment of the present application.
Reference numerals illustrate:
10-Multi-Fuel mixing device 11-Fuel Chamber 12-air intake pipe
13-air inlet cavity 14-gas spray pipe 15-pressure sensor
16-ECU electronic control unit 17-oil inlet pipe 18-oil nozzle
19-first drive motor 20-adjusting seat 21-second drive motor
22-throttle valve 30-gas-fuel switching device 40-control module
50-air intake device 51-solenoid valve 52-air intake
53-air outlet 54-gas delivery pipe 60-fuel tank
61-Fuel Pump 62-Fuel pipe 70-Natural gas storage Unit
80-liquefied petroleum gas storage unit
100-three fuel generator set
Detailed Description
The embodiment of the application is used for solving the technical problems that the generator set with the electronic injection control technology in the prior art cannot flexibly use three fuels of fuel oil, natural gas and liquefied petroleum gas, so that the economy and environmental protection of the generator set are poor.
The conception of the embodiment of the application is that by arranging a multi-fuel mixing device, a fuel gas conveying component, a fuel oil supply component, a fuel gas and fuel oil switching device and a control module, the multi-fuel mixing device comprises a fuel chamber, a fuel oil part, an air inlet pipe, an air inlet cavity, a fuel gas spray pipe, a fuel gas flow regulating component, a pressure sensor and an ECU (electronic control unit), the control module is respectively and electrically connected with the fuel gas and fuel oil switching device, the ECU and the fuel oil conveying component, the ECU is respectively and electrically connected with the pressure sensor, the fuel gas flow regulating component, the fuel oil part and the fuel oil supply component to form an oil supply system, the fuel oil part is used for controlling the on-off of the oil supply system, when the fuel oil conveying component is externally connected with a natural gas storage unit, the fuel oil conveying component and the multi-fuel mixing device form a natural gas supply system, the fuel gas conveying component is used for conveying natural gas and controlling the on-off of a natural gas supply system, when the fuel gas conveying component is externally connected with the liquefied petroleum gas storage unit, the fuel gas conveying component and the multi-fuel mixing device form the liquefied petroleum gas supply system, the fuel gas conveying component is used for conveying liquefied petroleum gas and controlling the on-off of the liquefied petroleum gas supply system, the ECU electronic control unit, the pressure sensor and the fuel gas flow regulating component are used for regulating the natural gas or liquefied petroleum gas flow together, when the fuel gas is used by the generator set, the fuel gas conveying component is in a blocking state, the fuel oil part is in a conducting state, the fuel oil supplying component is in a working state, the fuel oil work is realized, when the natural gas or the liquefied petroleum gas is used by the generator set, the fuel oil part is in a blocking state, the fuel oil supplying component is in a closing state, the natural gas or liquefied petroleum gas working is realized, and the technical problems that in the prior art, a generator set with an electronic injection control technology cannot flexibly use three fuels of fuel oil, natural gas and liquefied petroleum gas, so that the economy and environmental protection performance are poor are solved.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
The present embodiments provide a three-fuel power generator set 100. As shown in fig. 1 to 7, the three-fuel power generation unit 100 includes a multi-fuel mixing device 10, a gas delivery assembly, a fuel supply assembly, a gas-fuel switching device 30, and a control module 40.
The fuel supply assembly is connected to the multi-fuel mixing device 10 to form an oil supply system.
One end of the fuel gas delivery assembly is connected with the multi-fuel mixing device 10, and the other end is externally connected with the natural gas storage unit 70 or the liquefied petroleum gas storage unit 80.
When the other end of the gas delivery assembly is externally connected to the natural gas storage unit 70, the multi-fuel mixing device 10, the gas delivery assembly and the natural gas storage unit 70 form a natural gas supply system.
When the other end of the fuel gas delivery assembly is externally connected to the liquefied petroleum gas storage unit 80, the multi-fuel mixing device 10, the fuel gas delivery assembly and the liquefied petroleum gas storage unit 80 form a liquefied petroleum gas supply system.
The fuel gas conveying component is used for conveying natural gas or liquefied petroleum gas and controlling the on-off of a natural gas supply system or a liquefied petroleum gas supply system.
The multi-fuel mixing device 10 includes a fuel chamber 11, a fuel portion, an intake pipe 12, an intake chamber 13, a gas nozzle 14, a gas flow rate adjustment assembly, a pressure sensor 15, an ECU electronic control unit 16, and a second drive motor 21.
The fuel chamber 11 penetrates through the middle of the multi-fuel mixing device 10, one end of the fuel chamber is communicated with the combustion chamber of the engine, and the other end of the fuel chamber is provided with a throttle valve 22.
The fuel oil part is arranged on one side of the multi-fuel mixing device 10, the fuel oil part comprises an oil inlet pipe 17 and a fuel spray nozzle 18, one end of the oil inlet pipe 17 is communicated with the fuel chamber 11, the other end of the oil inlet pipe is connected with the fuel oil supply assembly, and the fuel spray nozzle 18 is arranged at one end of the oil inlet pipe 17, which is close to the fuel chamber 11, and is used for controlling the on-off of the oil inlet pipe 17 and further controlling the on-off of an oil supply system.
The air inlet pipe 12 is arranged on one side of the multi-fuel mixing device 10 opposite to the fuel oil part, one end of the air inlet pipe 12 is connected with the fuel gas conveying assembly, and the other end is communicated with the air inlet cavity 13.
One end of the gas spray pipe 14 is communicated with the fuel chamber 11 and is arranged at one end of the fuel chamber 11 close to the combustion chamber of the engine, the other end of the gas spray pipe 14 is communicated with the air inlet cavity 13, and the gas spray pipe 14 is vertically arranged.
The gas flow regulating assembly comprises a first driving motor 19 and a regulating seat 20, wherein the first driving motor 19 is arranged at the top of the multi-fuel mixing device 10, the first driving motor 19 is vertically arranged, the output end of the first driving motor 19 is arranged in the gas inlet cavity 13, the output end of the first driving motor 19 is connected with the regulating seat 20, the regulating seat 20 is arranged at the position where the gas inlet cavity 13 is communicated with the gas spray pipe 14, the regulating seat 20 is movably embedded into the gas spray pipe 14 under the driving of the first driving motor 19, the regulating seat 20 is driven by the first driving motor 19 to axially move along the output end of the first driving motor 19, the depth of the regulating seat 20 embedded into the gas spray pipe 14 is regulated, so that the passage area of the gas spray pipe 14 for gas flow can be regulated to achieve the effect of regulating the gas flow, namely, when the first driving motor 19 drives the regulating seat 20 to axially upwards move along the output end of the first driving motor 19 to completely leave the gas spray pipe 14, the gas flow through the gas spray pipe 14 is maximum, when the first driving motor 19 drives the regulating seat 20 to axially downwards move completely along the output end of the first driving motor 19, the gas spray pipe 14 is embedded into the gas spray pipe 14, the gas flow through the gas spray pipe 14 is minimum, the gas flow through the gas spray pipe 14 can be zero, the first driving motor can be a stepping motor, and the gas flow can also be regulated by a stepping motor.
A pressure sensor 15 is disposed on the multi-fuel mixing device 10 on the same side as the intake pipe 12, and the pressure sensor 15 is used to collect the air pressure in the intake chamber 13.
The gas conveying assembly comprises a gas inlet device 50 and a gas conveying pipe 54, wherein the gas inlet device 50 comprises a gas inlet 52, a gas outlet 53 and an electromagnetic valve 51, the gas inlet 52 is externally connected with a natural gas storage unit 70 or a liquefied petroleum gas storage unit 80, the gas outlet 53 is connected with one end of the gas conveying pipe 54, the other end of the gas conveying pipe 54 is connected with a gas inlet pipe 12, the electromagnetic valve 51 is arranged between the gas inlet 52 and the gas outlet 53, the electromagnetic valve 51 is used for controlling the on-off of the gas inlet device 50 so as to further control the on-off of a natural gas supply system or a liquefied petroleum gas supply system, when the gas inlet 52 is externally connected with the natural gas storage unit 70, the gas inlet device 50, the gas conveying pipe 54 and the multi-fuel mixing device 10 form the natural gas supply system, and when the gas inlet 52 is externally connected with the liquefied petroleum gas storage unit 80, the gas inlet device 50, the gas conveying pipe 54 and the multi-fuel mixing device 10 form the liquefied petroleum gas supply system.
The fuel supply assembly comprises a fuel tank 60, a fuel pump 61 and a fuel pipe 62, wherein one end of the fuel pump 61 is connected with the fuel tank 60, one end of the fuel pipe 62 is connected with the other end of the fuel pump 61, the other end of the fuel pipe 62 is connected with the fuel inlet pipe 17, and the fuel tank 60, the fuel pump 61, the fuel pipe 52 and the multi-fuel mixing device 10 form a fuel supply system which is controlled to be on-off through a fuel nozzle 18.
The control module 40 is electrically connected to the gas-fuel switching device 30, the ECU electronic control unit 16, and the solenoid valve 51, respectively.
The gas-fuel switching device 30 is provided with an electric switch, and the electric switch is used for converting the fuel type selected by the gas-fuel switching device 30 into electric signals and transmitting the electric signals to the control module 40.
The second driving motor 21 is disposed at the bottom end of the multi-fuel mixing device 10, and the output end of the second driving motor 21 is connected with the throttle 22 through a connecting rod, and the second driving motor 21 is used for driving the throttle 20 to rotate, and may be a stepper motor or a servo motor.
The ECU electronic control unit 16 is disposed in the control box of the multi-fuel mixing device 10, and the ECU electronic control unit 16 is electrically connected to the pressure sensor 15, the fuel injector 18, the first drive motor 19, the second drive motor 21, and the fuel pump 61, respectively.
When fuel supply is required, an operator transmits an electric signal for selecting fuel as fuel to the control module 40 through the electric switch of the fuel-gas-fuel switching device 30, the control module 40 transmits an electric signal for starting the fuel supply system to the ECU electronic control unit 16, the ECU electronic control unit 16 controls the fuel nozzle 18 and the fuel pump 61 to work, the fuel nozzle 18 is in a conducting state at this time, the electromagnetic valve 51 is in a blocking state, the fuel pump 61 pumps the fuel from the fuel tank 60, and the fuel enters the fuel chamber 11 of the multi-fuel mixing device 10 through the fuel pipe 62, the fuel inlet pipe 17 and the fuel nozzle 18.
When natural gas supply is required to be selected, the air inlet 52 is externally connected with the natural gas storage unit 70, the air inlet device 50, the gas conveying pipe 54 and the multi-fuel mixing device 10 are sequentially communicated, an operator transmits an electric signal for selecting natural gas as fuel to the control module 40 through an electric switch of the gas-fuel switching device 30, the control module 40 controls the electromagnetic valve 51 to be opened, the fuel injection nozzle 18 is in a blocking state, the fuel pump 61 is in a closing state, the electromagnetic valve 51 is in a conducting state, natural gas enters an air inlet cavity 13 of the multi-fuel mixing device 10 through the air inlet device 50, the gas conveying pipe 54 and the air inlet pipe 12, at the moment, the pressure sensor 15 collects air pressure parameters in the air inlet cavity 13 and transmits the air pressure parameters to the ECU electric control unit 16, the ECU electric control unit 16 controls the first driving motor 19 to rotate forwards or backwards to control the adjusting seat 20 to move upwards and downwards along the axial direction of the first driving motor 19 so as to adjust the flow of the natural gas at the junction of the air inlet cavity 13 and the gas injection pipe 14, thereby adjust the flow of the natural gas entering the fuel cavity 11, the fuel injection pipe 14 is in a blocking state, the fuel injection pipe 18 is in the fuel injection pipe 11, the natural gas is mixed with air to form natural gas fuel for combustion in the engine combustion chamber through the air injection pipe 11, and the air throttle valve 22 is simultaneously, the air is controlled by the driving the air motor 16 to rotate to control the second driving motor 21, and the throttle 22 is controlled to change the air flow to adjust the air flow, and the throttle valve 22.
When the supply of the liquefied petroleum gas is required, the air inlet 52 is externally connected with the liquefied petroleum gas storage unit 80, the air inlet device 50, the gas delivery pipe 54 and the multi-fuel mixing device 10 are sequentially communicated, an operator transmits an electric signal for selecting the liquefied petroleum gas as fuel to the control module 40 through an electric switch of the gas-fuel switching device 30, the control module 40 controls the electromagnetic valve 51 to be opened, the fuel injection nozzle 18 is in a blocking state, the fuel pump 61 is in a closing state, the electromagnetic valve 51 is in a conducting state, the liquefied petroleum gas enters the air inlet cavity 13 of the multi-fuel mixing device 10 through the air inlet device 50, the gas delivery pipe 54 and the air inlet pipe 12, at the moment, the pressure sensor 15 collects air pressure parameters in the air inlet cavity 13 and transmits the air pressure parameters to the ECU electric control unit 16, the ECU electric control unit 16 controls the first driving motor 19 to move up and down along the axial direction of the first driving motor 19 so as to adjust the flow cross section of the liquefied petroleum gas at the joint of the air inlet cavity 13 and the gas injection pipe 14, thereby adjusting the flow of the liquefied petroleum gas entering the fuel cavity 11, the liquefied petroleum gas enters the fuel cavity 11 through the gas injection pipe 14 to be mixed with air to form the liquefied petroleum gas fuel for the combustion chamber of the engine, and simultaneously, the throttle valve 22 is controlled by the second driving motor 16 is controlled to rotate so as to adjust the air flow of the throttle valve 22, and the throttle valve 22 is controlled to adjust the air flow.
In summary, in the three-fuel generator set 100 provided in the embodiment of the present application, through setting the multi-fuel mixing device 10, the gas delivery assembly, the fuel supply assembly, the fuel switching device 30 and the control module 40, the multi-fuel mixing device 10 includes the fuel chamber 11, the fuel portion, the air inlet pipe 12, the air inlet cavity 13, the gas nozzle 14, the gas flow regulating assembly, the pressure sensor 15 and the ECU electronic control unit 16, the control module 40 is electrically connected to the fuel switching device 30, the ECU electronic control unit 16 and the gas delivery assembly respectively, the ECU electronic control unit 16 is electrically connected to the pressure sensor 15, the gas flow regulating assembly, the fuel portion and the fuel supply assembly respectively, the multi-fuel mixing device 10 and the fuel supply assembly form an oil supply system, the fuel portion is used for controlling the on-off of the fuel supply system, when the gas delivery assembly is externally connected to the natural gas storage unit 70, the gas delivery assembly and the natural gas supply system are formed by the multi-fuel mixing device 10, when the gas delivery assembly is externally connected to the liquefied storage unit 80, the liquefied petroleum storage unit 80, the gas delivery assembly and the fuel supply assembly are electrically connected to the multi-fuel gas storage unit 10 form an on-off state, when the fuel gas delivery assembly and the fuel supply assembly is in a power generation state, the liquefied petroleum gas supply system is in a power generation state, or the fuel supply state when the fuel supply assembly is jointly connected to the liquefied gas delivery assembly is in a power generation state, the fuel gas conveying component is in a conducting state, the fuel oil part is in a blocking state, the fuel oil supplying component is in a closing state, natural gas or liquefied petroleum gas is realized, the technical problem that three fuels of fuel oil, natural gas and liquefied petroleum gas cannot be flexibly used by a generator set with an electronic injection control technology in the prior art, so that economy and environmental protection performance are poor is solved, a user can flexibly select to use the three fuels of fuel oil, natural gas or liquefied petroleum gas, the economy and environmental protection performance of the generator set are improved, the uniformity of the economy and the environmental protection performance is realized, meanwhile, the throttle 22 is driven by the second driving motor 21 to rotate so as to change the opening of the throttle 22, the flow of air entering the fuel chamber 11 is regulated, the air-fuel ratio is further regulated, and the fuel combustion is more sufficient.
The three-fuel generator set provided by the embodiment of the present application is described in detail, and specific examples are applied to illustrate the principle and implementation of the present application, and the description of the above embodiments is only used for helping to understand the technical scheme and core idea of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. The three-fuel generator set is characterized by comprising a multi-fuel mixing device, a fuel gas conveying assembly, a fuel oil supply assembly, a fuel gas and fuel oil switching device and a control module;
the fuel oil supply assembly is connected with the multi-fuel mixing device to form an oil supply system;
one end of the fuel gas conveying assembly is connected with the multi-fuel mixing device, and the other end of the fuel gas conveying assembly is externally connected with a natural gas storage unit or a liquefied petroleum gas storage unit;
when the other end of the fuel gas conveying assembly is externally connected with the natural gas storage unit, the multi-fuel mixing device, the fuel gas conveying assembly and the natural gas storage unit form a natural gas supply system;
when the other end of the fuel gas conveying assembly is externally connected with the liquefied petroleum gas storage unit, the multi-fuel mixing device, the fuel gas conveying assembly and the liquefied petroleum gas storage unit form a liquefied petroleum gas supply system;
the fuel gas conveying component is used for conveying natural gas or liquefied petroleum gas and controlling the on-off of the natural gas supply system or the liquefied petroleum gas supply system;
the multi-fuel mixing device comprises a fuel chamber, a fuel oil part, an air inlet pipe, an air inlet cavity, a fuel gas spray pipe, a fuel gas flow regulating component, a pressure sensor and an ECU (electronic control unit);
one end of the fuel chamber is communicated with the engine, and the other end of the fuel chamber is provided with a throttle valve;
the ECU is electrically connected with the pressure sensor, the gas flow regulating assembly, the fuel part and the fuel supply assembly respectively;
the fuel oil part is connected with the fuel oil supply assembly and is used for controlling the on-off of the fuel oil supply system;
one end of the gas spray pipe is communicated with the fuel chamber, and the other end of the gas spray pipe is communicated with the air inlet cavity;
the gas flow regulating assembly is arranged at the top of the multi-fuel mixing device, and the lower end of the gas flow regulating assembly is arranged at the communication position of the gas inlet cavity and the gas spray pipe;
one end of the air inlet pipe is connected with the fuel gas conveying assembly, and the other end of the air inlet pipe is communicated with the air inlet cavity;
the pressure sensor is used for collecting the air pressure in the air inlet cavity;
the control module is electrically connected with the gas-fuel switching device, the ECU and the gas conveying assembly respectively;
the fuel gas and fuel oil switching device is provided with an electric switch, and the electric switch is used for converting fuel types selected by the fuel gas and fuel oil switching device into electric signals and transmitting the electric signals to the control module.
2. The three fuel power generation assembly of claim 1 wherein said gas flow regulation assembly comprises a first drive motor and a regulation seat;
the first driving motor is arranged at the top of the multi-fuel mixing device, the output end of the first driving motor is connected with the adjusting seat, and the first driving motor is electrically connected with the ECU;
the adjusting seat is arranged at the communication part of the air inlet cavity and the gas spray pipe, and is movably embedded into the gas spray pipe under the driving of the first driving motor.
3. The three-fuel generator set of claim 1, wherein the multi-fuel mixing device further comprises a second drive motor;
the output end of the second driving motor is connected with the throttle valve, and the second driving motor is electrically connected with the ECU and used for controlling the throttle valve to rotate.
4. The three-fuel power generator set of claim 1, wherein the gas delivery assembly comprises an air intake device and a gas delivery tube;
the air inlet device comprises an air inlet, an air outlet and an electromagnetic valve;
the air inlet is externally connected with the natural gas storage unit or the liquefied petroleum gas storage unit;
the air outlet is connected with one end of the fuel gas conveying pipe, and the other end of the fuel gas conveying pipe is connected with the air inlet pipe;
the electromagnetic valve is arranged between the air inlet and the air outlet, is electrically connected with the control module and is used for controlling the on-off of the natural gas supply system or the liquefied petroleum gas supply system.
5. The three-fuel generator set of claim 4, wherein the fuel section comprises an inlet pipe and a fuel nozzle;
one end of the oil inlet pipe is communicated with the fuel chamber, and the other end of the oil inlet pipe is connected with the fuel supply assembly;
the oil nozzle is arranged at one end of the oil inlet pipe, which is close to the fuel chamber, and is used for controlling the on-off of the oil inlet pipe;
the oil nozzle is electrically connected with the ECU.
6. The three-fuel power generation assembly of claim 5 wherein said fuel supply assembly comprises a fuel tank, a fuel pump, and a fuel line;
one end of the fuel pump is connected with the fuel tank;
one end of the fuel pipe is connected with the other end of the fuel pump, and the other end of the fuel pipe is connected with the fuel inlet pipe;
the fuel pump is electrically connected with the ECU.
7. The three-fuel generator set of claim 6, wherein when the generator set is fuel fed, the solenoid valve is in a blocked state, the fuel injector is in a conductive state, and the fuel pump is in an operational state to allow fuel from the fuel tank to enter the multi-fuel mixing device through the fuel line.
8. The three-fuel generator set of claim 6, wherein when the generator set is supplied with natural gas, the air inlet is externally connected with the natural gas storage unit, the electromagnetic valve is in a conducting state, the oil nozzle and the fuel pump are in a closing state, natural gas enters the multi-fuel mixing device through the air inlet device and the fuel gas conveying pipe, and the flow rate of the natural gas is regulated through the fuel oil flow regulating assembly.
9. The three-fuel generator set of claim 6, wherein when the generator set is supplied with liquefied petroleum gas, the air inlet is externally connected with the liquefied petroleum gas storage unit, the electromagnetic valve is in a conducting state, the oil nozzle and the fuel pump are in a closing state, the liquefied petroleum gas enters the multi-fuel mixing device through the air inlet device and the fuel gas conveying pipe, and the flow of the liquefied petroleum gas is regulated through the fuel flow regulating assembly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146214.7U CN220705810U (en) | 2023-08-10 | 2023-08-10 | Three-fuel generator set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146214.7U CN220705810U (en) | 2023-08-10 | 2023-08-10 | Three-fuel generator set |
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| CN220705810U true CN220705810U (en) | 2024-04-02 |
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| CN202322146214.7U Active CN220705810U (en) | 2023-08-10 | 2023-08-10 | Three-fuel generator set |
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| CN (1) | CN220705810U (en) |
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