CN117803506A - Intelligent multi-oil-tank fuel conversion control system and control method - Google Patents
Intelligent multi-oil-tank fuel conversion control system and control method Download PDFInfo
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- 239000003921 oil Substances 0.000 claims abstract description 305
- 239000002828 fuel tank Substances 0.000 claims abstract description 179
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Abstract
The invention provides an intelligent multi-fuel tank fuel conversion control system and a control method, comprising the following steps: a main oil tank, an auxiliary oil tank and a central processing unit; an oil suction hole is formed in the top of the main oil tank, and an oil suction pipe is inserted into the oil suction hole; the electromagnetic valve is arranged on the fuel oil communicating pipe of the fuel tank; the central processing unit is connected with the main oil level sensor to acquire the oil level information in the main oil tank; the central processing unit is connected with the auxiliary oil level sensor to acquire the oil level information in the auxiliary oil tank; the central processing unit also obtains the opening state of the main fuel tank cover and the opening state of the auxiliary fuel tank cover through the main fuel tank cover opening and closing sensor and the auxiliary fuel tank cover opening and closing sensor respectively, and when the main fuel tank cover is obtained to be in the opening state or the auxiliary fuel tank cover is obtained to be in the opening state, the central processing unit is connected with the electromagnetic valve to control the electromagnetic valve to be opened, so that the auxiliary fuel tank is communicated with the main fuel tank. The automatic conversion control of the multi-oil tank fuel under various scenes can be realized, and the problems caused by untimely manual operation and misoperation are solved.
Description
Technical Field
The invention belongs to the technical field of fuel control of heavy automobiles, and particularly relates to an intelligent multi-tank fuel conversion control system and a control method.
Background
Heavy-duty vehicles refer to vehicles having a maximum total mass greater than 3500 Kg. The heavy-duty car is a train of heavy-duty tractors and heavy-duty trailers.
Large-sized special vehicles currently used for special works require a large amount of fuel to be loaded at a time due to work demands and environmental restrictions, which requires a large-capacity fuel tank to be provided in the vehicle design.
The large-sized special vehicle is affected by the arrangement of the whole vehicle, the arrangement scheme of multiple oil tanks is adopted, the multiple oil tanks can be configured by arranging the main oil tank and the auxiliary oil tank, and fuel oil in the main oil tank can be used for supplying fuel to the heavy-duty vehicle. When the fuel in the main fuel tank is insufficient, the fuel in the auxiliary fuel tank needs to be introduced into the main fuel tank to meet the running requirement of the vehicle.
In the prior art, the front-back interval distance of the main and auxiliary fuel tanks is longer, when a vehicle runs on an uphill section and a downhill section, the phenomenon that the height difference of the fuel liquid level in the main and auxiliary fuel tanks is larger easily occurs, so that the problem that the fuel oil in the fuel tank at the higher end of the liquid level overflows, and the problem that the fuel oil in the fuel tank at the lower end of the liquid level is insufficient in oil absorption occurs, and further the system is failed.
In addition, two methods for switching fuel in multiple fuel tanks exist at present, one method is to manually switch fuel in a main fuel tank and a secondary fuel tank outside a vehicle by adopting a mechanical valve; the other is to control the electromagnetic valve in the cab by the driver so as to complete the switching work of the fuel. The two modes all need manual operation, the degree of automation is lower, and the system is easy to damage due to manual misoperation.
Disclosure of Invention
The invention provides an intelligent multi-tank fuel conversion control system which can guide fuel of an auxiliary tank into a main tank according to the fuel quantity of the main tank so as to meet the requirement of vehicle running oil.
The intelligent multi-tank fuel conversion control system comprises: a main oil tank, an auxiliary oil tank and a central processing unit;
a main oil level sensor is arranged on the main oil tank, and a main oil tank cover opening and closing sensor is arranged at the position of the oil tank cover of the main oil tank; an oil suction hole is formed in the top of the main oil tank, and an oil suction pipe is inserted into the oil suction hole;
the auxiliary oil tank is provided with an auxiliary oil level sensor, and the position of the oil tank cover of the auxiliary oil tank is provided with an auxiliary oil tank cover opening and closing sensor;
the main oil tank is communicated with the auxiliary communication hole through an oil tank fuel communicating pipe, and an electromagnetic valve is arranged on the oil tank fuel communicating pipe;
the central processing unit is connected with the main oil level sensor to acquire the oil level information in the main oil tank; the central processing unit is connected with the auxiliary oil level sensor to acquire the oil level information in the auxiliary oil tank; the central processing unit also obtains the opening state of the main fuel tank cover and the opening state of the auxiliary fuel tank cover through the main fuel tank cover opening and closing sensor and the auxiliary fuel tank cover opening and closing sensor respectively, and when the main fuel tank cover is obtained to be in the opening state or the auxiliary fuel tank cover is obtained to be in the opening state, the central processing unit is connected with the electromagnetic valve to control the electromagnetic valve to be opened, so that the auxiliary fuel tank is communicated with the main fuel tank.
It is further noted that the main oil level sensor is provided with a main high oil level sensor and a main low high oil level sensor;
the main high oil level sensor is arranged close to the top of the main oil tank; the main low-high oil level sensor is arranged close to the low part of the main oil tank;
the central processing unit is respectively connected with the main high oil level sensor and the main low high oil level sensor.
Further, the secondary oil level sensor is provided with a secondary high oil level sensor and a secondary low high oil level sensor;
the auxiliary high oil level sensor is arranged close to the top of the auxiliary oil tank; the auxiliary low-high oil level sensor is arranged close to the low part of the auxiliary oil tank;
the central processing unit is respectively connected with the auxiliary high oil level sensor and the auxiliary low high oil level sensor.
It should be further noted that the fuel tank further comprises a plurality of auxiliary fuel tanks, each auxiliary fuel tank is respectively communicated with the main fuel tank through a fuel tank fuel communicating pipe, and each fuel tank fuel communicating pipe is provided with an electromagnetic valve.
It should be further noted that the method further includes: an electric pump; the central processing unit is connected with the electric pump, and when the oil level information in the main oil tank reaches the oil level sensed by the auxiliary low-high oil level sensor and the oil level of the auxiliary oil tank is higher than a preset threshold value, the electromagnetic valve is controlled to be opened, and the electric pump is controlled to operate, so that the fuel of the auxiliary oil tank flows into the main oil tank.
The invention also provides an intelligent multi-fuel tank fuel conversion control method, which comprises the following steps:
s11: the main fuel tank cover opening and closing sensor monitors the main fuel tank cover opening state and the auxiliary fuel tank cover opening and closing sensor monitors the auxiliary fuel tank cover opening state, if the main fuel tank cover opening or the auxiliary fuel tank cover opening is monitored, the step S12 is carried out, and otherwise, the step S13 is carried out;
s12: after receiving the oil tank cover opening signal, the central processing unit sends an opening control instruction to the electromagnetic valve, and transmits the opening control instruction to the electromagnetic valve through an electromagnetic valve control line, and after receiving the instruction signal, the electromagnetic valve is opened, so that the main oil tank and the auxiliary oil tank are in a communicating state;
s13: after the central processing unit receives the closing signals of the fuel tank cover, the central processing unit sends closing control instructions to the electromagnetic valve, the closing control instructions are transmitted to the electromagnetic valve through an electromagnetic valve control line, and the electromagnetic valve closes the valve after receiving the signals, so that the communication between the main fuel tank and the auxiliary fuel tank is disconnected.
Further, S21: the method comprises the steps that a main oil level sensor in a main oil tank and an auxiliary oil level sensor in an auxiliary oil tank monitor the height of the fuel level in the oil tank in real time in the running process of a vehicle, and a central processing unit acquires main oil level information sensed by the main oil level sensor and auxiliary oil level information sensed by the auxiliary oil level sensor in real time;
s22: the central processing unit carries out logic judgment according to the fuel liquid level states in the main fuel tank and the auxiliary fuel tank and gives out control strategies under different conditions;
s23: the central processing unit transmits the control strategy to the electromagnetic valve, the electric pump and the oil quantity indicator lamp respectively in a signal form through each control line, and fuel oil switching and oil quantity state prompting between the main oil tank and the auxiliary oil tank are completed.
It should be further noted that the control strategy of the method includes: when the liquid level of the fuel in the main fuel tank and the auxiliary fuel tank are in the threshold value range of the highest liquid level and the lowest liquid level, the fuel indicator lamp displays a green light to indicate that the fuel in the main fuel tank is sufficient, the electromagnetic valve and the electric pump are closed, and the main fuel tank and the auxiliary fuel tank are in a disconnected state;
the control strategy further comprises: when the fuel liquid level in the main fuel tank and the auxiliary fuel tank reach the minimum liquid level threshold, the fuel quantity indicator lamp displays a red light to prompt a driver that nearby refueling is needed, and the electromagnetic valve and the electric pump are both closed at the moment.
It should be further noted that the control strategy further includes: when the fuel level in the main fuel tank reaches the minimum level threshold value and the fuel level in the auxiliary fuel tank is higher than the minimum level threshold value, the fuel indicator lamp displays a yellow lamp, the main fuel tank is insufficient in fuel quantity, the electromagnetic valve is opened, the main auxiliary fuel tank is in a communicating state, the electric pump is opened, the auxiliary fuel tank absorbs fuel into the main fuel tank, and at the moment, the central processing unit receives feedback signals of the opening of the electromagnetic valve and the electric pump and then executes the following steps;
when the fuel level in the main fuel tank reaches the highest threshold value of the liquid level or the fuel level in the auxiliary fuel tank reaches the lowest threshold value of the liquid level, the electric pump is closed, the oil suction work is stopped, the electromagnetic valve is closed at the same time, the main auxiliary fuel tank is in a disconnected state, and the oil quantity indicator lamp displays a green light.
From the above technical scheme, the invention has the following advantages:
the intelligent multi-tank fuel conversion control system provided by the invention judges the working states of the fuel level sensor and the fuel tank cover opening and closing sensor, and carries out logic control on the electromagnetic valve and the electric pump through the central processing unit, so that the automatic switching of fuel in the main and auxiliary fuel tanks under various conditions such as stopping, filling, running and the like is realized. The invention can realize the automatic conversion control of the multi-tank fuel under various scenes, and solves the problems caused by untimely manual operation and misoperation.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an intelligent multi-tank fuel conversion control system.
FIG. 2 is a control schematic diagram of an intelligent multi-tank fuel conversion control system.
FIG. 3 is a logic diagram of the control method of the present invention under a parking and fueling condition.
FIG. 4 is a logic diagram of a control method of the present invention under vehicle driving conditions.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.
As shown in fig. 1 to 2, the intelligent multi-tank fuel conversion control system provided by the present invention includes: a main oil tank 1, an auxiliary oil tank 2 and a central processing unit 7; a plurality of auxiliary fuel tanks 2 may be installed according to actual needs. Each auxiliary tank 2 is individually connected to the main tank 1. The central processor 7 may be mounted inside the cab.
The main oil tank 1 is provided with a main oil level sensor 3, the main oil level sensor 3 senses the oil level of the main oil tank 1, and the main oil level sensor 3 is provided with a main high oil level sensor and a main low high oil level sensor; the main high oil level sensor is arranged close to the top of the main oil tank 1; the main low-high oil level sensor is arranged near the low part of the main oil tank 1; the main oil level sensor 3 is capable of sensing a full state and a low state of the main oil tank 1. The central processing unit 7 is connected with the main high oil level sensor and the main low high oil level sensor respectively, and can display the oil level state of the main oil tank 1 on an instrument panel of a cab.
A main fuel tank cover opening and closing sensor 5 is arranged at the fuel tank cover position of the main fuel tank 1; the main tank cap opening/closing sensor 5 can sense opening/closing of the tank cap of the main tank 1, and the main tank cap opening/closing sensor 5 can use a photoelectric sensor or a position sensor. The top of the main oil tank 1 is provided with an oil suction hole, and the oil suction hole is inserted with an oil suction pipe, so that the main oil tank 1 can supply oil to a vehicle through the oil suction pipe.
The auxiliary oil level sensor 4 is arranged on the auxiliary oil tank 2, the auxiliary oil level sensor 4 senses the oil level of the auxiliary oil tank 2, and the auxiliary oil level sensor 4 is provided with an auxiliary high oil level sensor and an auxiliary low high oil level sensor; the auxiliary high oil level sensor is arranged near the top of the auxiliary oil tank 2; the auxiliary low-high oil level sensor is arranged near the low position of the auxiliary oil tank 2; the central processing unit 7 is respectively connected with the auxiliary high oil level sensor and the auxiliary low high oil level sensor. The sub-level sensor 4 is capable of sensing a full state and a low state of the sub-tank 2. The central processing unit 7 is connected with the auxiliary high oil level sensor and the auxiliary low high oil level sensor respectively, and can display the oil level state of the auxiliary oil tank 2 on an instrument panel of the cab. The sub tank cover opening/closing sensor 6 is attached to the sub tank 2 at the tank cover position.
The main oil tank 1 is communicated with the auxiliary communication hole through an oil tank fuel communication pipe, and an electromagnetic valve and an electric pump are arranged on the oil tank fuel communication pipe; the central processing unit 7 is connected with the main oil level sensor 3 to acquire oil level information in the main oil tank 1; the central processing unit 7 acquires oil level information inside the auxiliary oil tank 2 by being connected with the auxiliary oil level sensor 4; the central processing unit 7 also obtains the opening state of the main oil tank 1 cover and the opening state of the auxiliary oil tank 2 cover through the main oil tank cover opening and closing sensor 5 and the auxiliary oil tank cover opening and closing sensor 6 respectively, and when the main oil tank 1 cover is obtained to be in the opening state or the auxiliary oil tank 2 cover is obtained to be in the opening state, the central processing unit 7 is connected with the electromagnetic valve 8 to control the electromagnetic valve 8 to be opened, so that the auxiliary oil tank 2 is communicated with the main oil tank 1.
The invention can also be connected with the electric pump 9 based on the CPU 7, when the oil level information in the main oil tank 1 reaches the oil level sensed by the auxiliary low-high oil level sensor, and the oil level of the auxiliary oil tank 2 is higher than a preset threshold value, the electromagnetic valve 8 is controlled to be opened, and the electric pump 9 is controlled to operate, so that the fuel of the auxiliary oil tank 2 flows into the main oil tank 1.
Illustratively, to enable control of the central processor 7, the central processor 7 may be connected to the electric pump through a motor control circuit, and the central processor 7 may be connected to the solenoid valve through a solenoid valve drive circuit.
In order to facilitate the driver to know the oil quantity information, the system also comprises an oil quantity indicator lamp 10 arranged on the instrument panel of the cab; the central processing unit 7 is connected with the oil quantity indicator lamp 10, and controls the oil quantity indicator lamp to display the oil level information in the main oil tank 1. The oil quantity indicator lamp is provided with a green LED lamp, a yellow LED lamp and a red LED lamp.
Based on the intelligent multi-tank fuel conversion control system provided by the invention, the main fuel level sensor 3 is mainly used for monitoring the fuel level of the fuel in the main fuel tank 1 in real time and is provided with the highest and lowest fuel level measurement thresholds, wherein the highest measurement threshold is lower than the height of a vent hole of the fuel tank, and the lowest measurement threshold is higher than the height of an oil suction port of the oil suction pipe 19. The main fuel tank cover opening and closing sensor 5 transmits signals through 0-1 logic, namely when the main fuel tank cover is opened, the main fuel tank cover is closed, the signal of 1 is transmitted, one end of the fuel suction pipe 19 is arranged at the bottom in the fuel tank and is used for sucking fuel in the main fuel tank 1, and the other end of the fuel suction pipe is connected with a series of oil filtering devices such as a fuel filter and the like to supply fuel to the engine finally. The auxiliary tank 2 shown in fig. 1 differs from the main tank 1 only in that there is no oil suction pipe 19, and the rest of the sensors are installed and function the same as the main tank 1.
The main fuel tank is communicated with the auxiliary communication hole through a fuel tank fuel communicating pipe 11, the fuel tank fuel communicating pipe 11 can be divided into a plurality of sections, a specific connection mode is shown in fig. 1, one end of the first section of communicating pipe is connected with a fuel inlet and outlet at the bottom of the main fuel tank 1, the other end of the first section of communicating pipe is connected with an electromagnetic valve 8, one end of the second section of communicating pipe is connected with the electromagnetic valve 8, the other end of the second section of communicating pipe is connected with an electric pump 9, one end of the third section of communicating pipe is connected with the electric pump 9, and the other end of the third section of communicating pipe is connected with a fuel inlet and outlet at the bottom of the auxiliary fuel tank 2, so that a communication relation between the main fuel tank and the auxiliary fuel tank is established. The number of the main oil tank 1 is 1, namely, the oil tank for directly supplying oil to the engine, and the auxiliary oil tank 2 can be 2, 3 or other numbers.
The number of the auxiliary fuel tanks 2 in the present embodiment is 1; the electromagnetic valve 8, the electric pump 9 and the fuel tank fuel connecting pipe 11 form a group of main and auxiliary fuel tank communication modules, and the number of the groups of the modules is equal to that of the auxiliary fuel tanks; the arrangement mode of the main oil tank 1 and the auxiliary oil tank 2 can be that the main oil tank is behind the front auxiliary oil tank or that the main oil tank is behind the rear auxiliary oil tank, and the arrangement mode of the oil tanks which only satisfies the longer interval distance of the main oil tank and the auxiliary oil tank is within the protection scope of the invention.
The sensor, electromagnetic valve, electric pump and oil indicator lamp in the system are all communicated with the CPU by electric signals. The main oil level sensor, the main oil tank cover opening and closing sensor, the auxiliary oil level sensor and the auxiliary oil tank cover opening and closing sensor transmit monitoring signals to the central processing unit 7 through information wires respectively, the central processing unit 7 makes control decisions in different states according to set judgment logic after receiving input signals, and the control of the electromagnetic valve 8, the electric pump 9 and the oil quantity indicator lamp 10 is realized through control wires. The control states of the electromagnetic valve 8 and the electric pump 9 are divided into an on state and a off state, the control states of the oil quantity indicator lamps are divided into a green lamp display when the oil quantity of the oil tank is sufficient, a yellow lamp display when the oil quantity of the main oil tank is insufficient, and a red lamp display when the oil quantity of the main oil tank is insufficient, and the oil quantity indicator lamps 10 are arranged on a meter panel of a cab and used for prompting a driver in real time.
The following is an embodiment of an intelligent multi-tank fuel conversion control method provided by an embodiment of the present disclosure, which belongs to the same inventive concept as the intelligent multi-tank fuel conversion control system of the above embodiments, and details of which are not described in detail in the embodiment of the intelligent multi-tank fuel conversion control method may refer to the embodiment of the above intelligent multi-tank fuel conversion control system.
The method comprises the following steps:
s11: the main fuel tank cover opening and closing sensor monitors the main fuel tank cover opening state and the auxiliary fuel tank cover opening and closing sensor monitors the auxiliary fuel tank cover opening state, if the main fuel tank cover opening or the auxiliary fuel tank cover opening is monitored, the step S12 is carried out, and otherwise, the step S13 is carried out;
s12: after receiving the oil tank cover opening signal, the central processing unit sends an opening control instruction to the electromagnetic valve, and transmits the opening control instruction to the electromagnetic valve through an electromagnetic valve control line, and after receiving the instruction signal, the electromagnetic valve is opened, so that the main oil tank and the auxiliary oil tank are in a communicating state;
s13: the central processing unit sends a closing control instruction to the electromagnetic valve after receiving the closing signal of the oil tank cover, and transmits the closing control instruction to the electromagnetic valve through the electromagnetic valve control line, and the electromagnetic valve closes the valve after receiving the signal, so that the communication between the main oil tank and the auxiliary oil tank is disconnected, and the process achieves the effect of filling oil from the main oil tank or filling oil from the auxiliary oil tank to fully fill the main oil tank and the auxiliary oil tank.
The invention also relates to a method for effectively regulating the oil level of the oil tank in the running process of the vehicle, so as to meet the running requirement of the vehicle.
Specifically, S21: the method comprises the steps that a main oil level sensor in a main oil tank and an auxiliary oil level sensor in an auxiliary oil tank monitor the height of the fuel level in the oil tank in real time in the running process of a vehicle, and a central processing unit acquires main oil level information sensed by the main oil level sensor and auxiliary oil level information sensed by the auxiliary oil level sensor in real time;
s22: the central processing unit carries out logic judgment according to the fuel liquid level states in the main fuel tank and the auxiliary fuel tank and gives out control strategies under different conditions;
s23: the central processing unit transmits the control strategy to the electromagnetic valve, the electric pump and the oil quantity indicator lamp respectively in a signal form through each control line, and fuel oil switching and oil quantity state prompting between the main oil tank and the auxiliary oil tank are completed.
The method mainly relates to the following control strategies, wherein the strategy I is as follows: when the fuel liquid levels in the main fuel tank 1 and the auxiliary fuel tank 2 are in the range of the threshold value of the highest liquid level and the lowest liquid level, the fuel quantity indicator lamp 10 displays a green light, which indicates that the fuel quantity of the main fuel tank is sufficient, the electromagnetic valve 8 and the electric pump 9 are closed, and the main fuel tank and the auxiliary fuel tank are in a disconnected communication state.
Strategy II: when the fuel level in the main fuel tank 1 reaches the minimum level threshold value and the fuel level in the auxiliary fuel tank 2 is higher than the minimum level threshold value, the fuel quantity indicator lamp 10 displays a yellow lamp, the fuel quantity of the main fuel tank is insufficient, the electromagnetic valve 8 is opened, the main auxiliary fuel tank is in a communicating state, the electric pump 9 is opened, the auxiliary fuel tank 2 absorbs the fuel into the main fuel tank 1, and at the moment, the CPU 7 enters the strategy III after receiving feedback signals of the opening of the electromagnetic valve 8 and the electric pump 9.
Strategy III: when the fuel level in the main fuel tank 1 reaches the highest threshold value of the liquid level or the fuel level in the auxiliary fuel tank 2 reaches the lowest threshold value of the liquid level, the electric pump 9 is closed, the oil suction work is stopped, the electromagnetic valve 8 is closed at the same time, the main fuel tank and the auxiliary fuel tank are in the disconnected state, and the oil quantity indicator lamp 10 displays a green light.
Strategy IV: when the fuel liquid level in the main fuel tank 1 and the auxiliary fuel tank 2 reach the minimum liquid level threshold value, the fuel quantity indicator lamp displays a red light to prompt a driver that nearby refueling is needed, and at the moment, the electromagnetic valve 8 and the electric pump 9 are both closed.
The embodiment can also relate to the following process based on the control method, wherein the control method is mainly implemented under two working conditions of vehicle parking and refueling and vehicle running. As shown in fig. 2, when the vehicle is parked for refueling, any fuel tank cover is opened, at this time, the fuel tank cover opening and closing sensors on the main fuel tank and the auxiliary fuel tank transmit the opening and closing states of the fuel tank cover to the central processing unit in a form of 0-1 signals, after the central processing unit detects that the input signals have 1 signals, a decision for opening the electromagnetic valve is made, and the opening signals are transmitted to the electromagnetic valve through the electromagnetic valve control line, at this time, the electromagnetic valve is opened, the main fuel tank and the auxiliary fuel tank are in a communicating state, and fuel can circulate in the main fuel tank and the auxiliary fuel tank; when the fuel is filled, the fuel cover is closed, at the moment, signals transmitted to the central processing unit by the fuel cover opening and closing sensor are all 0 signals of the fuel cover closing state, at the moment, the central processing unit makes a decision of closing the electromagnetic valve according to the input signals, and transmits the closing signals to the electromagnetic valve through the electromagnetic valve control line, at the moment, the electromagnetic valve is closed, the main and auxiliary fuel tanks are in a disconnected communication state, and the fuel in the main and auxiliary fuel tanks cannot circulate mutually.
As shown in fig. 3, when the vehicle is running, the fuel level sensor in the main and auxiliary fuel tanks monitors the fuel level in the fuel tanks in real time, and transmits the sensing result to the central processing unit through the fuel level sensor information lines, and the central processing unit logically judges according to the fuel level state in the main and auxiliary fuel tanks to give the following control strategies.
When the liquid level of the fuel in the main fuel tank and the auxiliary fuel tank is in the threshold value range of the highest liquid level and the lowest liquid level, the fuel indicator lamp displays a green light, the fuel in the main fuel tank is sufficient, the electromagnetic valve and the electric pump are closed, and the main fuel tank and the auxiliary fuel tank are in a disconnected state.
When the fuel level in the main fuel tank reaches the lowest liquid level threshold value, and the fuel level in the auxiliary fuel tank is higher than the lowest liquid level threshold value, the fuel indicator lamp displays a yellow lamp, the main fuel tank is insufficient in fuel quantity, the electromagnetic valve is opened, the main auxiliary fuel tank is in a communicating state, the electric pump is opened, the auxiliary fuel tank absorbs fuel into the main fuel tank, at the moment, the central processing unit continuously carries out logic judgment on the fuel level of the main auxiliary fuel tank after receiving feedback signals of the electromagnetic valve and the electric pump which are opened, when the fuel level in the main fuel tank reaches the highest liquid level threshold value or the fuel level in the auxiliary fuel tank reaches the lowest liquid level threshold value, the electric pump is closed, the oil absorption work is stopped, the electromagnetic valve is simultaneously closed, the main auxiliary fuel tank is in a disconnected communicating state, and the fuel indicator lamp displays a green light at the moment.
When the fuel liquid level in the main fuel tank and the auxiliary fuel tank reach the minimum liquid level threshold, the fuel quantity indicator lamp displays a red light to prompt a driver that nearby refueling is needed, and the electromagnetic valve and the electric pump are both closed at the moment.
Based on the method, full-automatic switching of the fuel oil of the multiple fuel tanks under two states of vehicle fuel oil filling and vehicle running is realized, the whole hardware system is simple to construct, logic control is accurate, and the degree of automation is high.
The intelligent multi-tank fuel conversion control system of the present invention may be implemented in hardware, software, firmware, or any combination thereof. The various features described are modules, units, or components that may be implemented together in an integrated logic device or separately as discrete but interoperable logic devices or other hardware devices. In some cases, various features of the electronic circuit may be implemented as one or more integrated circuit devices, such as an integrated circuit chip or chipset.
In some embodiments, the computer-readable storage medium may include a non-volatile medium. The term "non-transitory" storage medium may indicate not included in a carrier wave or propagated signal. In some embodiments, a non-transitory storage medium may store data, which may change over time (e.g., RAM or cache).
The code or instructions may be software and/or firmware executed by a processing circuit that may include one or more processors, such as one or more Digital Signal Processors (DSPs), general purpose microprocessors, application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs), or other integrated circuits, or discrete logic circuitry. Thus, the term "processor" as used herein may refer to any of the foregoing structure or any other structure as being better suited for implementation of the techniques described herein. Additionally, in some aspects, the functionality described in this disclosure may be provided in software modules and hardware modules.
Illustratively, the central processing unit adopts an STM32F051C8T6 singlechip, or adopts a TM4C123GH6PZ17R singlechip, or adopts an ARM microprocessor.
Of course, the main oil level sensor, the main oil tank cover opening and closing sensor, the auxiliary oil level sensor, the auxiliary oil tank cover opening and closing sensor, the motor control circuit and the electromagnetic valve driving circuit related to the invention can all adopt a circuit form and a common model in the field, the specific model is not limited by the invention, and the corresponding circuit form and specific model can be expected based on the knowledge scope of the person skilled in the field to realize the functions of the invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An intelligent multi-tank fuel conversion control system, comprising: a main oil tank, an auxiliary oil tank and a central processing unit;
a main oil level sensor is arranged on the main oil tank, and a main oil tank cover opening and closing sensor is arranged at the position of the oil tank cover of the main oil tank; an oil suction hole is formed in the top of the main oil tank, and an oil suction pipe is inserted into the oil suction hole;
the auxiliary oil tank is provided with an auxiliary oil level sensor, and the position of the oil tank cover of the auxiliary oil tank is provided with an auxiliary oil tank cover opening and closing sensor;
the main oil tank is communicated with the auxiliary communication hole through an oil tank fuel communicating pipe, and an electromagnetic valve is arranged on the oil tank fuel communicating pipe;
the central processing unit is connected with the main oil level sensor to acquire the oil level information in the main oil tank; the central processing unit is connected with the auxiliary oil level sensor to acquire the oil level information in the auxiliary oil tank; the central processing unit also obtains the opening state of the main fuel tank cover and the opening state of the auxiliary fuel tank cover through the main fuel tank cover opening and closing sensor and the auxiliary fuel tank cover opening and closing sensor respectively, and when the main fuel tank cover is obtained to be in the opening state or the auxiliary fuel tank cover is obtained to be in the opening state, the central processing unit is connected with the electromagnetic valve to control the electromagnetic valve to be opened, so that the auxiliary fuel tank is communicated with the main fuel tank.
2. The intelligent multi-tank fuel transfer control system of claim 1, wherein,
the main oil level sensor is provided with a main high oil level sensor and a main low high oil level sensor;
the main high oil level sensor is arranged close to the top of the main oil tank; the main low-high oil level sensor is arranged close to the low part of the main oil tank;
the central processing unit is respectively connected with the main high oil level sensor and the main low high oil level sensor.
3. The intelligent multi-tank fuel transfer control system of claim 1 or 2, wherein,
the auxiliary oil level sensor is provided with an auxiliary high oil level sensor and an auxiliary low high oil level sensor;
the auxiliary high oil level sensor is arranged close to the top of the auxiliary oil tank; the auxiliary low-high oil level sensor is arranged close to the low part of the auxiliary oil tank;
the central processing unit is respectively connected with the auxiliary high oil level sensor and the auxiliary low high oil level sensor.
4. The intelligent multi-tank fuel transfer control system according to claim 1 or 2, further comprising a plurality of auxiliary tanks, each of which is respectively communicated with the main tank through a tank fuel communication pipe, each of which is provided with an electromagnetic valve.
5. The intelligent multi-tank fuel transfer control system of claim 2, further comprising: an electric pump; the central processing unit is connected with the electric pump, and when the oil level information in the main oil tank reaches the oil level sensed by the auxiliary low-high oil level sensor and the oil level of the auxiliary oil tank is higher than a preset threshold value, the electromagnetic valve is controlled to be opened, and the electric pump is controlled to operate, so that the fuel of the auxiliary oil tank flows into the main oil tank.
6. The intelligent multi-tank fuel transfer control system of claim 1 or 2, further comprising a fuel quantity indicator mounted on a dashboard of the cab;
the central processing unit is connected with the oil quantity indicator lamp and used for controlling the oil quantity indicator lamp to display the oil level information in the main oil tank; the oil quantity indicator lamp is provided with a green LED lamp, a yellow LED lamp and a red LED lamp.
7. An intelligent multi-tank fuel conversion control method, characterized in that the method adopts the intelligent multi-tank fuel conversion control system according to any one of claims 1 to 6;
the method comprises the following steps:
s11: the main fuel tank cover opening and closing sensor monitors the main fuel tank cover opening state and the auxiliary fuel tank cover opening and closing sensor monitors the auxiliary fuel tank cover opening state, if the main fuel tank cover opening or the auxiliary fuel tank cover opening is monitored, the step S12 is carried out, and otherwise, the step S13 is carried out;
s12: after receiving the oil tank cover opening signal, the central processing unit sends an opening control instruction to the electromagnetic valve, and transmits the opening control instruction to the electromagnetic valve through an electromagnetic valve control line, and after receiving the instruction signal, the electromagnetic valve is opened, so that the main oil tank and the auxiliary oil tank are in a communicating state;
s13: after the central processing unit receives the closing signals of the fuel tank cover, the central processing unit sends closing control instructions to the electromagnetic valve, the closing control instructions are transmitted to the electromagnetic valve through an electromagnetic valve control line, and the electromagnetic valve closes the valve after receiving the signals, so that the communication between the main fuel tank and the auxiliary fuel tank is disconnected.
8. The intelligent multi-tank fuel conversion control method according to claim 7, wherein,
s21: the method comprises the steps that a main oil level sensor in a main oil tank and an auxiliary oil level sensor in an auxiliary oil tank monitor the height of the fuel level in the oil tank in real time in the running process of a vehicle, and a central processing unit acquires main oil level information sensed by the main oil level sensor and auxiliary oil level information sensed by the auxiliary oil level sensor in real time;
s22: the central processing unit carries out logic judgment according to the fuel liquid level states in the main fuel tank and the auxiliary fuel tank and gives out control strategies under different conditions;
s23: the central processing unit transmits the control strategy to the electromagnetic valve, the electric pump and the oil quantity indicator lamp respectively in a signal form through each control line, and fuel oil switching and oil quantity state prompting between the main oil tank and the auxiliary oil tank are completed.
9. The intelligent multi-tank fuel conversion control method according to claim 8, wherein,
the control strategy of the method comprises the following steps: when the liquid level of the fuel in the main fuel tank and the auxiliary fuel tank are in the threshold value range of the highest liquid level and the lowest liquid level, the fuel indicator lamp displays a green light to indicate that the fuel in the main fuel tank is sufficient, the electromagnetic valve and the electric pump are closed, and the main fuel tank and the auxiliary fuel tank are in a disconnected state;
the control strategy further comprises: when the fuel liquid level in the main fuel tank and the auxiliary fuel tank reach the minimum liquid level threshold, the fuel quantity indicator lamp displays a red light to prompt a driver that nearby refueling is needed, and the electromagnetic valve and the electric pump are both closed at the moment.
10. The intelligent multi-tank fuel conversion control method according to claim 8, wherein,
the control strategy further comprises: when the fuel level in the main fuel tank reaches the minimum level threshold value and the fuel level in the auxiliary fuel tank is higher than the minimum level threshold value, the fuel indicator lamp displays a yellow lamp, the main fuel tank is insufficient in fuel quantity, the electromagnetic valve is opened, the main auxiliary fuel tank is in a communicating state, the electric pump is opened, the auxiliary fuel tank absorbs fuel into the main fuel tank, and at the moment, the central processing unit receives feedback signals of the opening of the electromagnetic valve and the electric pump and then executes the following steps;
when the fuel level in the main fuel tank reaches the highest threshold value of the liquid level or the fuel level in the auxiliary fuel tank reaches the lowest threshold value of the liquid level, the electric pump is closed, the oil suction work is stopped, the electromagnetic valve is closed at the same time, the main auxiliary fuel tank is in a disconnected state, and the oil quantity indicator lamp displays a green light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311531255.6A CN117803506A (en) | 2023-11-16 | 2023-11-16 | Intelligent multi-oil-tank fuel conversion control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311531255.6A CN117803506A (en) | 2023-11-16 | 2023-11-16 | Intelligent multi-oil-tank fuel conversion control system and control method |
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| CN202311531255.6A Pending CN117803506A (en) | 2023-11-16 | 2023-11-16 | Intelligent multi-oil-tank fuel conversion control system and control method |
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| CN (1) | CN117803506A (en) |
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