CN114290895A - Oil supply system and control method thereof - Google Patents
Oil supply system and control method thereof Download PDFInfo
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- CN114290895A CN114290895A CN202210002825.1A CN202210002825A CN114290895A CN 114290895 A CN114290895 A CN 114290895A CN 202210002825 A CN202210002825 A CN 202210002825A CN 114290895 A CN114290895 A CN 114290895A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003921 oil Substances 0.000 claims abstract description 215
- 239000007788 liquid Substances 0.000 claims abstract description 80
- 239000000446 fuel Substances 0.000 claims abstract description 73
- 230000009471 action Effects 0.000 claims abstract description 17
- 239000000295 fuel oil Substances 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 6
- 239000002828 fuel tank Substances 0.000 claims description 96
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The invention relates to an oil supply system and a control method thereof, wherein the oil supply system is connected with an engine to supply oil to the engine, and comprises the following components: the main oil tank is used for connecting an engine; the auxiliary oil tank is connected with the main oil tank through a pipeline; the gas supply module is connected to the auxiliary oil tank through a pipeline; the control unit is in communication connection with the gas supply module; the air supply module supplies air to the auxiliary oil tank under the control of the control unit so as to change the air pressure in the auxiliary oil tank, and fuel oil in the auxiliary oil tank can enter the main oil tank under the action of the air pressure. Above-mentioned oil feeding system, main oil tank connect in the engine, and main oil tank passes through the pipeline with the bellytank and establishes ties, through setting up air feed module and the control unit, when the fuel liquid level in the main oil tank is less than the minimum liquid level value of predetermineeing, gaseous in the steerable air feed module of control unit inputs in to the bellytank to make the fuel in the bellytank input for the engine fuel feeding in the main oil tank, so alright realize in the bellytank fuel input main oil tank through the control unit, the operation of being convenient for.
Description
Technical Field
The invention relates to the technical field of low-pressure oil supply systems, in particular to an oil supply system and a control method thereof.
Background
Along with the development of the domestic transportation industry, long-distance transportation gradually becomes a trend, the volume demand of a whole vehicle on an oil tank is increased, and due to the limitation of the wheelbase space of the whole vehicle, the demand of the whole vehicle on the volume of the oil tank by adopting a single oil tank faces a lot of difficulties, so that the adoption of a double oil tank becomes one of effective schemes for meeting the volume demand of the whole vehicle on the oil tank.
In the prior art, two oil tanks are often connected in parallel to form a double-oil-tank oil supply system, in the parallel connection mode, an engine fuel oil pipeline is respectively connected with the two oil tanks, the two oil tanks are switched by utilizing a three-way valve, and when one oil tank is used up, the three-way valve is operated to switch the engine fuel oil pipeline to the other oil tank for continuous use.
Disclosure of Invention
Therefore, it is necessary to provide an oil supply system convenient to operate and a control method thereof for solving the problem that the existing parallel double-oil-tank oil supply system is inconvenient to operate.
According to an aspect of the present application, there is provided an oil supply system connected to an engine to supply oil to the engine, the oil supply system including:
the main oil tank is used for connecting the engine;
the auxiliary oil tank is connected with the main oil tank through a pipeline;
the gas supply module is connected to the auxiliary oil tank through a pipeline; and
the control unit is in communication connection with the gas supply module;
the air supply module supplies air to the auxiliary oil tank under the control of the control unit so as to change the air pressure in the auxiliary oil tank, and fuel oil in the auxiliary oil tank can enter the main oil tank under the action of the air pressure.
In one embodiment, the oil supply system further comprises a first liquid level detection unit, which is installed in the main oil tank and is communicatively connected to the control unit, and is used for monitoring the liquid level in the main oil tank and sending a first liquid level signal to the control unit; and the control unit controls the gas supply module to supply gas to the auxiliary oil tank according to the first liquid level signal.
In one embodiment, the oil supply system further comprises a pressure monitoring unit, the pressure monitoring unit is mounted in the auxiliary oil tank and is in communication connection with the control unit, and the pressure monitoring unit is used for monitoring the pressure in the auxiliary oil tank and sending a pressure signal to the control unit; and the control unit controls the air supply module to supply air to the auxiliary oil tank according to the pressure signal.
In one embodiment, the oil supply system further comprises a second liquid level monitoring unit, the second liquid level monitoring unit is installed in the auxiliary oil tank and is in communication connection with the control unit, the second liquid level monitoring unit is used for monitoring the liquid level in the auxiliary oil tank and sending a second liquid level signal to the control unit, and the control unit controls the air supply module to stop supplying air to the auxiliary oil tank according to the second liquid level signal.
In one embodiment, the gas supply module comprises a gas storage unit, a gas filter and a gas inlet electromagnetic valve which are sequentially connected, the gas outlet end of the gas inlet electromagnetic valve is connected to the auxiliary oil tank through a pipeline, the gas inlet electromagnetic valve is in communication connection with the control unit, and the gas inlet electromagnetic valve is opened or closed under the control of the control unit.
In one embodiment, the oil supply system further comprises an exhaust solenoid valve connected to the secondary oil tank through a pipe and communicatively connected to the control unit, the exhaust solenoid valve being opened or closed under the control of the control unit to discharge the gas in the secondary oil tank.
In one embodiment, the oil supply system further comprises a fuel oil filtering unit, and the fuel oil filtering unit is connected to the liquid outlet end of the main oil tank through a pipeline and is used for filtering water and impurities in the fuel oil.
In one embodiment, the oil supply system further includes an oil inlet pipe and an oil return pipe, an inlet end of the oil inlet pipe is connected to an outlet end of the fuel filter unit, and an outlet end of the oil return pipe is connected to an inlet end of the oil inlet pipe.
According to another aspect of the present application, there is provided a control method of the oil supply system as claimed in any one of the above claims, comprising the steps of:
acquiring the liquid level of the main oil tank;
when the liquid level of the main oil tank is lower than the preset lowest liquid level value, delivering gas to the auxiliary oil tank to enable the fuel oil in the auxiliary oil tank to flow into the main oil tank under the action of air pressure;
and when the liquid level of the main oil tank is higher than the preset highest liquid level value, stopping conveying gas to the auxiliary oil tank. In one embodiment, after the step of supplying gas to the secondary fuel tank to cause the fuel in the secondary fuel tank to flow into the main fuel tank under the action of the gas pressure, the method further comprises the following steps:
acquiring the air pressure in the auxiliary oil tank, and stopping conveying air to the auxiliary oil tank when the air pressure value in the auxiliary oil tank is higher than a preset maximum air pressure value;
and when the air pressure value in the auxiliary oil tank is lower than the preset minimum air pressure, conveying air to the auxiliary oil tank.
Above-mentioned oil feeding system, main oil tank connect in the engine, and main oil tank passes through the pipeline with the bellytank and establishes ties, through setting up air feed module and the control unit, when the fuel liquid level in the main oil tank is less than the minimum liquid level value of predetermineeing, gaseous in the steerable air feed module of control unit inputs in to the bellytank to make the fuel in the bellytank input for the engine fuel feeding in the main oil tank, so alright realize in the bellytank fuel input main oil tank through the control unit, the operation of being convenient for.
Drawings
Fig. 1 is a schematic view of an oil supply system of the present invention.
The reference numbers illustrate:
100. an oil supply system; 200. an engine; 210. an oil inlet; 220. an oil outlet; 110. a main oil tank; 111. a liquid outlet end; 112. a liquid inlet end; 120. a secondary fuel tank; 121. a liquid outlet; 122. an air inlet; 123. an exhaust port; 130. a gas supply module; 131. an air inlet solenoid valve; 132. a gas filter; 133. a gas storage unit; 140. a control unit; 151. a display; 152. an exhaust solenoid valve; 153. a fuel oil filtering unit; 154. a pressure monitoring unit; 155. an oil guide pipe; 156. an oil inlet pipe; 157. an oil return pipe.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to, or interacting with, two elements unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 is a schematic view illustrating an oil supply system according to an embodiment of the present invention, and an oil supply system 100 according to the present invention includes a main oil tank 110, a sub-oil tank 120, an air supply module 130, and a control unit 140. The main oil tank 110 is connected with the engine 200 to supply oil to the engine 200, the secondary oil tank 120 is connected with the main oil tank 110 through a pipeline, and the control unit 140 can control the air supply module 130 to input air into the secondary oil tank 120, so that the fuel oil in the secondary oil tank 120 enters the main oil tank 110 under the action of air pressure, and thus, the dual-tank oil supply is realized.
Specifically, the main fuel tank 110 is a hollow shell structure, and has a receiving cavity therein, and the fuel is received in the receiving cavity of the main fuel tank 110. The main oil tank 110 comprises a liquid outlet end 111 and a liquid inlet end 112 which are respectively communicated with the accommodating cavity, the liquid outlet end 111 is connected with an oil inlet 210 of the engine 200 through a pipeline to supply oil to the engine 200, and the liquid inlet end 112 of the main oil tank 110 is connected with the auxiliary oil tank 120 through a pipeline so as to input the fuel oil in the auxiliary oil tank 120 into the main oil tank 110 for the use of the engine 200.
The secondary fuel tank 120 is a hollow shell structure, and has a cavity therein, and fuel is accommodated in the cavity of the secondary fuel tank 120. The secondary oil tank 120 comprises a liquid outlet 121, an air inlet 122 and an air outlet 123 which are respectively communicated with the accommodating cavity, the liquid outlet 121 of the secondary oil tank 120 is connected with the liquid inlet 112 of the main oil tank 110 through an oil conduit 155, the air inlet 122 of the secondary oil tank 120 is communicated with the air supply module 130 through a pipeline, and the air outlet 123 of the secondary oil tank 120 is communicated with the ambient atmosphere through a pipeline. One end of the oil conduit 155 extends into the bottom of the auxiliary oil tank 120 through the liquid outlet 121 of the auxiliary oil tank 120, and the other end extends into the liquid inlet 112 of the main oil tank 110.
Thus, the air supply module 130 can supply air into the secondary fuel tank 120 to change the air pressure in the secondary fuel tank 120, and the fuel in the secondary fuel tank 120 can enter the main fuel tank 110 under the action of the air pressure for the engine 200 to use.
The gas supply module 130 is connected to the auxiliary fuel tank 120 through a pipe to supply gas to the auxiliary fuel tank 120, and the gas supply module 130 includes a gas inlet solenoid valve 131, a gas filter 132, and a gas storage unit 133, which are sequentially connected. The gas storage unit 133 is a hollow shell structure, and has a receiving cavity therein, the receiving cavity is used for receiving gas, the gas outlet end of the gas storage unit 133 is connected to the gas inlet end of the gas filter 132 through a pipeline, the gas outlet end of the gas filter 132 is connected to the gas inlet end of the gas inlet solenoid valve 131 through a pipeline, and the gas outlet end of the gas inlet solenoid valve 131 is connected to the gas inlet 122 of the auxiliary oil tank 120 through a pipeline so as to input gas into the auxiliary oil tank 120.
Thus, the gas in the gas storage unit 133 can sequentially pass through the gas filter 132 and the gas inlet solenoid valve 132 and be input into the secondary fuel tank 120 by opening the gas inlet solenoid valve 132, the gas filter 132 can filter impurities and moisture in the gas to output dry and pure gas into the secondary fuel tank 120, the gas input into the secondary fuel tank 120 can change the pressure in the secondary fuel tank, and the fuel in the secondary fuel tank 120 enters the main fuel tank 110 under the action of the pressure to be used by the engine 200.
The control unit 140 is communicatively connected to the air supply module 130 to control the air supply module 130. The control unit 140 is communicatively connected to one end of the intake solenoid valve 131, and controls opening or closing of the intake solenoid valve 131. When the control unit 140 controls the air inlet solenoid valve 131 to open, the air supply module 130 can input air into the secondary oil tank 120; when the control unit 140 controls the air inlet solenoid valve 131 to be closed, the air supply module 130 stops the input of air into the secondary oil tank 120.
In some embodiments, the oil supply system 100 further includes a first liquid level detection unit (not shown in the figures). The first liquid level detecting unit is installed in the main oil tank 110 and is communicatively connected to the control unit 140, and the first liquid level detecting unit may contact the bottom of the main oil tank 110 to monitor the fuel level in the main oil tank 110 and send a first liquid level signal to the control unit 140, and the control unit 140 may control the air supply module 130 to supply air to the secondary oil tank 120 according to the first liquid level signal.
In this way, when the first liquid level signal of the main oil tank 110 is lower than the preset lowest liquid level value, the control unit 140 controls the air intake solenoid valve 131 to open, and the air supply module 130 supplies air to the secondary oil tank 120 so that the fuel in the secondary oil tank 120 flows into the main oil tank 110 under the action of air pressure; when the first liquid level signal of the main oil tank 110 is higher than the preset maximum liquid level value, the control unit 140 controls the air intake solenoid valve 131 to close, and the air supply module 130 stops supplying air to the secondary oil tank 120.
In some embodiments, the oil supply system 100 further includes a pressure monitoring unit 154. The pressure monitoring unit 154 is installed in the auxiliary fuel tank 120 and is communicatively connected to the control unit 140, the pressure monitoring unit 154 is configured to monitor the air pressure in the auxiliary fuel tank 120 and send an air pressure signal to the control unit 140, and the control unit 140 may control the air supply module 130 to supply air to the auxiliary fuel tank 120 or stop supplying air to the auxiliary fuel tank 120 according to the air pressure signal.
In this way, when the air pressure value in the secondary fuel tank 120 is lower than the preset minimum air pressure, the control unit 140 controls the air inlet solenoid valve 131 to open, and the air supply module 130 supplies air to the secondary fuel tank 120 so that the fuel in the secondary fuel tank 120 flows into the main fuel tank 110 under the action of the air pressure; when the air pressure value in the secondary oil tank 120 is higher than the preset maximum air pressure value, the control unit 140 controls the air inlet solenoid valve 131 to be closed, and the air supply module 130 stops supplying air to the secondary oil tank 120.
In some embodiments, the oil supply system 100 further includes a second liquid level detection unit (not shown). The second liquid level detecting unit is installed in the secondary fuel tank 120 and is communicatively connected to the control unit 140, and the second liquid level detecting unit may contact the bottom of the secondary fuel tank 120 to monitor the fuel level in the secondary fuel tank 120 and send a second liquid level signal to the control unit 140, and the control unit 140 controls the air supply module 130 to stop supplying air to the secondary fuel tank 120 according to the second liquid level signal.
In this way, when the second level signal of the secondary fuel tank 120 is not zero, that is, when there is fuel in the secondary fuel tank 120, the control unit 140 controls the intake solenoid valve 131 to open, and the air supply module 130 supplies air to the secondary fuel tank 120 so that the fuel in the secondary fuel tank 120 flows into the main fuel tank 110 under the action of air pressure; when the second level signal of the secondary fuel tank 120 is zero, that is, when there is no fuel in the secondary fuel tank 120, the control unit 140 controls the intake solenoid valve 131 to be closed, and the air supply module 130 stops supplying air to the secondary fuel tank 120.
In some embodiments, the oil supply system 100 further includes a display 151. The display 151 is communicatively connected to the control unit 140, the control unit 140 processes the first level signal of the main fuel tank 110 and the second level signal of the auxiliary fuel tank 120 and outputs the sum of the level values of the main fuel tank 110 and the auxiliary fuel tank 120 to the display 151, and a user can obtain the total amount of fuel in the main fuel tank 110 and the auxiliary fuel tank 120 according to the sum of the level values displayed on the display 151 so as to add fuel in time.
In some embodiments, the oil supply system 100 further includes an exhaust solenoid valve 152. The air-bleed solenoid valve 152 is connected to the secondary fuel tank 120 through a pipe and is communicatively connected to the control unit 140, and when the pressure monitoring unit 154 detects that the air pressure in the secondary fuel tank 120 is higher than the preset maximum air pressure value, the control unit 140 controls the air-bleed solenoid valve 152 to open to bleed air from the secondary fuel tank 120 until the air pressure in the secondary fuel tank 120 is restored to the atmospheric pressure.
In some embodiments, the oil supply system 100 further includes a fuel filter unit 153, an oil inlet pipe 156, and an oil return pipe 157. The inlet end of the fuel filtering unit 153 is connected to the liquid outlet end 111 of the main fuel tank 110 through a pipeline, and the outlet end of the fuel filtering unit 153 is connected to the inlet end of the fuel inlet pipe 156 for filtering water and impurities in the fuel. The outlet end of the oil inlet pipe 156 is connected to an oil inlet 210 of the engine 200 to input the filtered fuel to the engine 200. The inlet end of the oil return pipe 157 is connected to the oil outlet 220 of the engine 200, the outlet end of the oil return pipe 157 is connected to the inlet end of the oil inlet pipe 156, and fuel that is not consumed in the engine 200 can be output to the outlet end of the fuel filter unit 153 through the oil return pipe 157 and can be circularly input to the engine 200 through the oil inlet pipe 156 again for use by the engine 200.
Therefore, the fuel output from the main fuel tank 110 can pass through the fuel filtering unit 153 to filter moisture and impurities in the fuel, and the filtered fuel is input to the oil inlet 210 of the engine 200 through the oil inlet pipe 156, because the oil pumping amount of the oil pumping pump of the engine 200 is much larger than the oil consumption amount of the engine 200, the excess fuel in the engine 200 can be output to the outlet end of the fuel filtering unit 153 from the oil outlet 220 of the engine 200 through the oil return pipe 157, and then the filtered fuel is input to the engine 200 through the oil inlet pipe 156 in a circulating manner for use by the engine 200, so that the filtered fuel is prevented from being filtered repeatedly after returning to the main fuel tank 110, and the service life of the fuel filtering unit 153 is prolonged.
The present application further provides a control method of the oil supply system 100, which includes the following steps:
s110: acquiring the liquid level of the main oil tank 110 through a first liquid level detection unit, and when the liquid level of the main oil tank 110 is lower than a preset lowest liquid level value, delivering gas to the auxiliary oil tank 120 to enable the fuel oil in the auxiliary oil tank 120 to flow into the main oil tank 110 under the action of air pressure; when the liquid level of the main oil tank 110 is higher than the preset highest liquid level value, the gas delivery to the auxiliary oil tank 120 is stopped.
In some embodiments, the step S110 specifically includes the following steps:
the fuel in the main fuel tank 110 sequentially passes through the pipeline, the fuel filtering unit 153 and the fuel inlet pipe 156 and is input into the engine 200, the first liquid level detecting unit is in communication connection with the control unit 140 and detects the fuel liquid level in the main fuel tank 110 so as to send a first liquid level signal to the control unit 140, when the first liquid level signal of the main fuel tank 110 is lower than a preset lowest liquid level value, the control unit 140 controls the air inlet electromagnetic valve 131 to be opened, and the air supply module 130 supplies air to the auxiliary fuel tank 120 so that the fuel in the auxiliary fuel tank 120 flows into the main fuel tank 110 under the action of air pressure; when the first liquid level signal of the main oil tank 110 is higher than the preset maximum liquid level value, the control unit 140 controls the air intake solenoid valve 131 to close, and the air supply module 130 stops supplying air to the secondary oil tank 120.
S120: acquiring the air pressure in the auxiliary oil tank 120 through the pressure monitoring unit 154, and stopping conveying the gas to the auxiliary oil tank 120 when the air pressure value in the auxiliary oil tank 120 is higher than a preset maximum air pressure value; when the pressure in the secondary tank 120 is lower than the preset minimum pressure, the gas is delivered to the secondary tank 120.
In some embodiments, the step S120 specifically includes the following steps:
after delivering gas to the secondary fuel tank 120 to allow the fuel in the secondary fuel tank 120 to flow into the main fuel tank 120 under the action of the gas pressure, the pressure monitoring unit 154 is communicatively connected to the control unit 140 and monitors the gas pressure in the secondary fuel tank 120 to send a gas pressure signal to the control unit 140, when the gas pressure value in the secondary fuel tank 120 is lower than a preset minimum gas pressure, the control unit 140 controls the air intake solenoid valve 131 to open, and the air supply module 130 supplies air to the secondary fuel tank 120 to allow the fuel in the secondary fuel tank 120 to flow into the main fuel tank 110 under the action of the gas pressure; when the air pressure value in the secondary oil tank 120 is higher than the preset maximum air pressure value, the control unit 140 controls the air inlet solenoid valve 131 to be closed, and the air supply module 130 stops supplying air to the secondary oil tank 120.
In a preferred control method, the method further includes step S130: the liquid level in the secondary fuel tank 120 is obtained through a second liquid level detection unit, the second liquid level detection unit is in communication connection with the control unit 140 and detects the fuel liquid level in the secondary fuel tank 120 so as to send a second liquid level signal to the control unit 140, when the second liquid level signal of the secondary fuel tank 120 is not zero, namely when fuel exists in the secondary fuel tank 120, the control unit 140 controls the air inlet electromagnetic valve 131 to be opened, and the air supply module 130 supplies air to the secondary fuel tank 120 so that the fuel in the secondary fuel tank 120 flows into the main fuel tank 110 under the action of air pressure; when the second level signal of the secondary fuel tank 120 is zero, that is, when there is no fuel in the secondary fuel tank 120, the control unit 140 controls the intake solenoid valve 131 to be closed, and the air supply module 130 stops supplying air to the secondary fuel tank 120.
Accordingly, the present invention provides a fuel supply system 100 in which a main fuel tank 110 and a sub-fuel tank 120 are connected in series through a fuel line 155, a fuel level in the main fuel tank 110 and a fuel level and a pressure in the sub-fuel tank 120 are monitored in real time through a first level detecting unit, a second level detecting unit, and a pressure monitoring unit 154 communicatively connected to a control unit 140, fuel in the sub-fuel tank 120 is supplied to the sub-fuel tank 120 through a gas supply module 130 under the control of the control unit 140 to flow fuel in the sub-fuel tank 120 into the main fuel tank 110 under the air pressure, gas in the sub-fuel tank 120 is discharged to the atmospheric pressure through an exhaust solenoid valve 152 when the air pressure in the sub-fuel tank 120 is higher than a preset maximum air pressure value, fuel output from the main fuel tank 110 is filtered through a fuel filtering unit 153 and the filtered fuel is input to an engine 200 for use by the engine 200, gas output from a gas storage unit 133 is filtered through a gas filter 132 and the filtered gas is input to the sub-fuel tank 120 to change the sub-fuel tank 120 The filtered fuel is circulated into the engine 200 through the fuel inlet pipe 156 and the fuel return pipe 157 to increase the service life of the hot oil filter unit 153. In this way, the fuel in the secondary fuel tank 120 can be automatically delivered to the main fuel tank 110 to supply fuel to the engine 200 through the air supply unit 130 and the control unit 140 which are connected in communication, so that the operation is convenient.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An oil supply system for connection to an engine for supplying oil to the engine, the oil supply system comprising:
the main oil tank is used for connecting the engine;
the auxiliary oil tank is connected with the main oil tank through a pipeline;
the gas supply module is connected to the auxiliary oil tank through a pipeline; and
the control unit is in communication connection with the gas supply module;
the air supply module supplies air to the auxiliary oil tank under the control of the control unit so as to change the air pressure in the auxiliary oil tank, and fuel oil in the auxiliary oil tank can enter the main oil tank under the action of the air pressure.
2. The oil supply system of claim 1, further comprising a first liquid level detection unit mounted to the main tank and communicatively connected to the control unit for monitoring a liquid level within the main tank and sending a first liquid level signal to the control unit; and the control unit controls the gas supply module to supply gas to the auxiliary oil tank according to the first liquid level signal.
3. The oil supply system of claim 1, further comprising a pressure monitoring unit mounted to the secondary oil tank and communicatively connected to the control unit, the pressure monitoring unit configured to monitor a pressure in the secondary oil tank and send a pressure signal to the control unit; and the control unit controls the air supply module to supply air to the auxiliary oil tank according to the pressure signal.
4. The oil supply system of claim 1, further comprising a second liquid level monitoring unit, wherein the second liquid level monitoring unit is installed in the auxiliary oil tank and is in communication connection with the control unit, and is configured to monitor a liquid level in the auxiliary oil tank and send a second liquid level signal to the control unit, and the control unit controls the air supply module to stop supplying air to the auxiliary oil tank according to the second liquid level signal.
5. The oil supply system of claim 1, wherein the air supply module comprises an air storage unit, an air filter and an air inlet solenoid valve which are sequentially connected, an air outlet end of the air inlet solenoid valve is connected to the auxiliary oil tank through a pipeline, the air inlet solenoid valve is in communication connection with the control unit, and the air inlet solenoid valve is opened or closed under the control of the control unit.
6. A fuel supply system as claimed in claim 1, further comprising a gas exhaust solenoid valve connected to the sub-tank by a pipe and communicatively connected to the control unit, the gas exhaust solenoid valve being opened or closed under the control of the control unit to exhaust gas in the sub-tank.
7. The fuel supply system of claim 1, further comprising a fuel filter unit connected to the outlet end of the main fuel tank through a pipe for filtering water and impurities in the fuel.
8. The fuel supply system of claim 7, further comprising an inlet pipe and an outlet pipe, wherein an inlet end of the inlet pipe is connected to an outlet end of the fuel filter unit, and an outlet end of the outlet pipe is connected to an inlet end of the inlet pipe.
9. A method for controlling a fuel supply system according to any one of claims 1 to 8, comprising the steps of:
acquiring the liquid level of the main oil tank;
when the liquid level of the main oil tank is lower than the preset lowest liquid level value, delivering gas to the auxiliary oil tank to enable the fuel oil in the auxiliary oil tank to flow into the main oil tank under the action of air pressure;
and when the liquid level of the main oil tank is higher than the preset highest liquid level value, stopping conveying gas to the auxiliary oil tank.
10. The control method according to claim 9, characterized by, after the step of supplying gas to the secondary fuel tank to cause the fuel in the secondary fuel tank to flow into the main fuel tank by the gas pressure, further comprising the step of:
acquiring the air pressure in the auxiliary oil tank, and stopping conveying air to the auxiliary oil tank when the air pressure value in the auxiliary oil tank is higher than a preset maximum air pressure value;
and when the air pressure value in the auxiliary oil tank is lower than the preset minimum air pressure, conveying air to the auxiliary oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210002825.1A CN114290895B (en) | 2022-01-04 | 2022-01-04 | Oil supply system and control method thereof |
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| CN202210002825.1A CN114290895B (en) | 2022-01-04 | 2022-01-04 | Oil supply system and control method thereof |
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| CN114290895B CN114290895B (en) | 2024-04-09 |
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Citations (23)
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|---|---|
| CN114290895B (en) | 2024-04-09 |
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