CN112031968A - Three-cavity oil tank, oil supply device of engine hydrocarbon injection system and vehicle - Google Patents
Three-cavity oil tank, oil supply device of engine hydrocarbon injection system and vehicle Download PDFInfo
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- CN112031968A CN112031968A CN202010899156.3A CN202010899156A CN112031968A CN 112031968 A CN112031968 A CN 112031968A CN 202010899156 A CN202010899156 A CN 202010899156A CN 112031968 A CN112031968 A CN 112031968A
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- Prior art keywords
- oil
- cavity
- chamber
- hydrocarbon injection
- injection system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
- F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a three-cavity oil tank, an oil supply device of a hydrocarbon injection system of an engine and a vehicle, wherein the three-cavity oil tank comprises a tank body, an inner cavity of the tank body is divided into a main cavity and an auxiliary cavity through a first partition plate, the auxiliary cavity is divided into an oil storage cavity and an oil supply cavity through a second partition plate, the second partition plate is provided with a first one-way valve used for inputting fuel oil in the oil storage cavity into the oil supply cavity, and the tank body is provided with a second one-way valve used for outputting the fuel oil in the oil supply cavity to external equipment and a loading port communicated with the oil supply cavity. The invention can directly utilize low-temperature fuel oil in the oil tank to supply oil to the hydrocarbon injection device under the condition of not increasing external heating equipment, thereby realizing the normal work of the hydrocarbon injection device under the condition of low environmental temperature.
Description
Technical Field
The invention discloses an oil tank, an oil supply device of a hydrocarbon injection system and a vehicle, belongs to the technical field of oil supply devices of hydrocarbon injection systems, and particularly discloses a three-cavity oil tank, an oil supply device of an engine hydrocarbon injection system and a vehicle.
Background
The fuel tank is a device for storing fuel oil of an automobile, the fuel tank equipped on the existing automobile is a single-cavity fuel tank, in northern areas, the average temperature in winter is about minus 10-30 ℃, common fuel tanks cannot meet the use requirements, the phenomena that diesel oil is frozen and paraffin is hung can be frequently seen when some vehicles use low-grade diesel oil, so that the vehicles are difficult to atomize after entering an engine, the utilization rate of the diesel oil is seriously reduced, when high-grade diesel oil is used, the use cost is improved, the device for heating the zero-grade diesel oil by using the fuel oil in the automobiles in cold areas can reduce the use cost, but the traditional fuel oil heating is an electric fuel oil heating device, electric sparks are easily generated, the potential safety hazard is higher, and when a strap used by the fuel tank is damaged, the replacement is difficult, and a fixed structure.
To solve the above technical problems, chinese patent CN109878328A discloses a water heating type dual-chamber fuel tank based on intelligent control, comprising a fuel tank assembly, an ambient temperature sensor and a strap fixing and limiting device, wherein the fuel tank assembly comprises a main fuel tank and an auxiliary fuel tank, one side of the main fuel tank is provided with the auxiliary fuel tank, the top side wall of the main fuel tank is provided with a first fuel filler near the edge, a six-way electromagnetic directional valve and a direct-acting electromagnetic directional valve are intelligently controlled by a controller, when the fuel temperature of the main fuel tank does not reach a preset standard, the fuel is taken from the auxiliary fuel tank, the engine is started by low-grade diesel in the auxiliary fuel tank, when the fuel temperature of the main fuel tank reaches the preset standard, the fuel is taken from the main fuel tank directly, the engine is started by No. 0 diesel in the main fuel tank, thereby solving the problem of high cost caused by using high-grade fuel in the whole driving process of an, the low-grade fuel oil is prevented from being used in the whole process of the automobile, the utilization rate is low, and the phenomena that the low-grade fuel oil is easy to freeze and hang wax in northern cold areas are avoided.
However, the above solution has the following disadvantages: the structure is complex, the cost is high, and external heating equipment needs to be added to heat the fuel in the mailbox.
For a vehicle comprising the hydrocarbon injection system, the hydrocarbon injection system is generally directly connected with a main oil tank, when the hydrocarbon injection device works, 0# diesel oil of the main oil tank is basically used, after the hydrocarbon injection device works, the 0# diesel oil can be remained in the hydrocarbon injection device and an oil inlet and outlet pipe of the hydrocarbon injection device, when the environment temperature is low, the hydrocarbon injection device cannot be heated, the 0# diesel oil can be waxed, and when the hydrocarbon injection device needs to be injected again, the 0# diesel oil can not work normally because the 0# diesel oil is waxed. This would result in a waste of resources if the hydrocarbon injection system were matched to the fuel tank in CN 109878328A.
Disclosure of Invention
In order to solve the technical problems, the invention provides a three-cavity oil tank, an oil supply device of an engine hydrocarbon injection system and a vehicle, which can directly supply oil to the hydrocarbon injection device by using low-temperature fuel oil in the oil tank under the condition of not increasing external heating equipment, thereby realizing the normal work of the hydrocarbon injection device under the condition of low environmental temperature.
The invention discloses a three-cavity oil tank which comprises a tank body, wherein an inner cavity of the tank body is divided into a main cavity and an auxiliary cavity through a first partition plate, the auxiliary cavity is divided into an oil storage cavity and an oil supply cavity through a second partition plate, a first one-way valve used for inputting fuel oil in the oil storage cavity into the oil supply cavity is arranged on the second partition plate, and a second one-way valve used for outputting the fuel oil in the oil supply cavity to external equipment and a loading port communicated with the oil supply cavity are arranged on the tank body.
In a preferred embodiment of the invention, the secondary chamber stores low temperature fuel therein.
In a preferred embodiment of the present invention, the volume of the oil storage chamber is larger than the volume of the oil supply chamber.
The invention also discloses an oil supply device of the engine hydrocarbon injection system, which comprises vehicle-mounted air supply equipment, an oil tank and the hydrocarbon injection system, wherein the oil tank is a three-cavity oil tank as claimed, a loading port of the three-cavity oil tank is connected with the vehicle-mounted air supply equipment, and a second one-way valve of the three-cavity oil tank is connected with the hydrocarbon injection system.
In a preferred embodiment of the present invention, the loading port of the three-cavity oil tank is connected to the vehicle-mounted air supply device through a pipeline, and an electrically controlled switch valve is disposed on the pipeline.
In a preferred embodiment of the present invention, when the electrically controlled on-off valve is turned on, the vehicle-mounted air supply device is operated, the hydrocarbon injection system supplies compressed air to the fuel supply chamber, the first check valve is closed, the second check valve is opened, and the fuel in the fuel supply chamber is output to the hydrocarbon injection system through the second check valve.
In a preferred embodiment of the present invention, when the electrically controlled on-off valve is turned off, the vehicle-mounted gas supply apparatus is stopped, the oil supply chamber is connected to the atmosphere, the first check valve is opened, the second check valve is closed, and the oil storage chamber is supplied to the oil supply chamber.
In a preferred embodiment of the invention, the electrically controlled on-off valve 7 is a two-position three-way valve.
The invention also discloses a vehicle which uses the oil supply device of the engine hydrocarbon injection system.
The invention has the beneficial effects that: the low-temperature fuel oil supply device is simple in structure and convenient to use, direct supply of low-temperature fuel oil to the hydrocarbon injection device is achieved by means of the pressure of compressed air of the whole vehicle on the premise that no external equipment is added, meanwhile, fuel oil supply can be automatically carried out on the oil supply cavity when the hydrocarbon injection device does not work, and working efficiency of the hydrocarbon injection system is effectively improved.
Drawings
In order to more clearly illustrate the technical solution in implementation, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are embodiments of the present invention, and those skilled in the art can also obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic gas circuit diagram of an oil supply device of a hydrocarbon injection system of an engine according to the present invention;
FIG. 2 is a schematic diagram of the operation of the fuel supply apparatus of the engine hydrocarbon injection system of the present invention; (dotted line-compressed air flow; solid line-fuel flow);
FIG. 3 is a schematic illustration of a fuel supply apparatus for the hydrocarbon injection system of the engine of the present invention in a stopped condition; (dotted line-compressed air flow; solid line-fuel flow)
In the figure: 1-a main chamber; 2-a secondary chamber; 3-a first one-way valve; 4-a second one-way valve; 5-a loading port; 6-pipeline; 7-an electrically controlled switch valve; a-vehicle-mounted gas supply equipment; b-a hydrocarbon injection system; 2.1-oil storage chamber; 2.2-oil supply chamber.
Detailed Description
The invention will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings, which illustrate some alternative embodiments of the invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The invention discloses a three-cavity oil tank, which comprises a tank body, wherein the inner cavity of the tank body is divided into a closed main cavity 1 and a closed auxiliary cavity 2 by a first partition plate, the auxiliary cavity 2 is divided into a closed oil storage cavity 2.1 and a closed oil supply cavity 2.2 by a second partition plate, the second partition plate is provided with a first one-way valve 3 for inputting fuel oil in the oil storage cavity 2.1 into the oil supply cavity 2.2, and the tank body is provided with a second one-way valve 4 for outputting the fuel oil in the oil supply cavity 2.2 to external equipment and a loading port 5 communicated with the oil supply cavity 2.2.
Preferably, the main chamber 1 stores 0# fuel oil therein.
Preferably, the sub-chamber 2 stores therein low-temperature fuel.
Preferably, the volume of the primary chamber 1 is greater than the volume of the secondary chamber 2.
Preferably, the volume of the oil storage chamber 2.1 is larger than the volume of the oil feeding chamber 2.2.
The invention also discloses an oil supply device of the engine hydrocarbon injection system, which comprises vehicle-mounted air supply equipment, an oil tank and the hydrocarbon injection system, wherein the oil tank is a three-cavity oil tank of the claim, a loading port 5 of the three-cavity oil tank is connected with the vehicle-mounted air supply equipment, and a second check valve 4 of the three-cavity oil tank is connected with the hydrocarbon injection system.
Preferably, the loading port 5 of the three-cavity oil tank is connected with a vehicle-mounted air supply device through a pipeline 6, and an electronic control switch valve 7 is arranged on the pipeline 6.
Preferably, when the electrically controlled switch valve 7 is switched on, the vehicle-mounted air supply device works, the hydrocarbon injection system inputs compressed air into the oil supply chamber 2.2, the first check valve 3 is closed, the second check valve 4 is opened, and fuel in the oil supply chamber 2.2 is output to the hydrocarbon injection system through the second check valve 4.
Preferably, when the electronic switch valve 7 is turned off, the vehicle-mounted gas supply device stops, the oil supply chamber 2.2 is communicated with the atmosphere, the first check valve 3 is opened, the second check valve 4 is closed, and the oil storage chamber 2.1 is input into the oil supply chamber 2.2.
Preferably, the electrically controlled on-off valve 7 is a two-position three-way valve.
When the hydrocarbon injection system works:
the electric control switch valve 7 is opened, the vehicle-mounted air supply device A is communicated with the oil supply cavity 2.2, the compressed air pressurizes the fuel oil in the oil supply cavity 2.2, the first one-way valve 3 is closed, the second one-way valve 4 is opened, and the pressurized fuel oil enters the hydrocarbon injection device.
After the hydrocarbon injection system is stopped:
the electric control switch valve 7 is closed, the vehicle-mounted air supply device A is disconnected with the oil supply cavity 2.2, compressed air in the oil supply cavity 2.2 is communicated with the atmosphere through the electric control switch valve 7, the first one-way valve 3 is opened, the second one-way valve 4 is closed, and fuel oil in the oil storage cavity 2.1 is supplied to the oil supply cavity (2.2).
The invention also discloses a vehicle which uses the oil supply device of the engine hydrocarbon injection system.
The vehicle-mounted gas supply device and the hydrocarbon injection system of the invention are both in the prior art, and the structure of the hydrocarbon injection system can be seen in the patent CN 107387207A.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (9)
1. The utility model provides a three chamber oil tanks, includes the box, the inner chamber of box is separated for main cavity room (1) and auxiliary chamber (2) through first baffle, its characterized in that: the oil storage tank is characterized in that the auxiliary chamber (2) is divided into an oil storage chamber (2.1) and an oil supply chamber (2.2) through a second partition plate, a first one-way valve (3) used for inputting fuel oil in the oil storage chamber (2.1) into the oil supply chamber (2.2) is arranged on the second partition plate, and a second one-way valve (4) used for outputting the fuel oil in the oil supply chamber (2.2) to external equipment and a loading port (5) communicated with the oil supply chamber (2.2) are arranged on the tank body.
2. Three-chamber fuel tank according to claim 1, characterized in that: the auxiliary chamber (2) stores low-temperature fuel oil.
3. Three-chamber fuel tank according to claim 1, characterized in that: the volume of the oil storage chamber (2.1) is larger than that of the oil supply chamber (2.2).
4. The utility model provides an engine hydrocarbon injection system's oil supply unit, includes on-vehicle air feeder, oil tank and hydrocarbon injection system, its characterized in that: the oil tank is a three-cavity oil tank as claimed in the claim, a loading port (5) of the three-cavity oil tank is connected with the vehicle-mounted air supply equipment, and a second one-way valve (4) of the three-cavity oil tank is connected with the hydrocarbon injection system.
5. The oil supply apparatus of the engine hydrocarbon injection system according to claim 4, characterized in that: the loading port (5) of the three-cavity oil tank is connected with the vehicle-mounted air supply equipment through a pipeline (6), and an electric control switch valve (7) is arranged on the pipeline (6).
6. The fuel supply apparatus of the engine hydrocarbon injection system according to claim 5, characterized in that: when the electric control switch valve (7) is conducted, the vehicle-mounted air supply equipment works, the hydrocarbon injection system inputs compressed air to the oil supply cavity (2.2), the first one-way valve (3) is closed, the second one-way valve (4) is opened, and fuel oil in the oil supply cavity (2.2) is output to the hydrocarbon injection system through the second one-way valve (4).
7. The fuel supply apparatus of the engine hydrocarbon injection system according to claim 5, characterized in that: when the electric control switch valve (7) is cut off, the vehicle-mounted gas supply equipment stops, the oil supply chamber (2.2) is communicated with the atmosphere, the first one-way valve (3) is opened, the second one-way valve (4) is closed, and the oil storage chamber (2.1) inputs the gas into the oil supply chamber (2.2).
8. The fuel supply apparatus of the engine hydrocarbon injection system according to claim 5, characterized in that: the electric control switch valve (7) is a two-position three-way valve.
9. A vehicle, characterized in that: an oil supply device for an engine hydrocarbon injection system according to any one of claims 4 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899156.3A CN112031968A (en) | 2020-08-31 | 2020-08-31 | Three-cavity oil tank, oil supply device of engine hydrocarbon injection system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010899156.3A CN112031968A (en) | 2020-08-31 | 2020-08-31 | Three-cavity oil tank, oil supply device of engine hydrocarbon injection system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112031968A true CN112031968A (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010899156.3A Pending CN112031968A (en) | 2020-08-31 | 2020-08-31 | Three-cavity oil tank, oil supply device of engine hydrocarbon injection system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112031968A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08261087A (en) * | 1995-03-23 | 1996-10-08 | Nissan Diesel Motor Co Ltd | Starting auxiliary device of diesel engine fuel device |
| CN2576988Y (en) * | 2002-10-14 | 2003-10-01 | 郑顺利 | Pressure fuel tank for diesel engine |
| CN205277647U (en) * | 2015-12-04 | 2016-06-01 | 李长和 | Oil tank of diesel vehicle |
| CN109026466A (en) * | 2018-08-01 | 2018-12-18 | 汽解放汽车有限公司 | A kind of diesel vehicle Han Qu positive pressure oil supply system and its fuel supply method |
-
2020
- 2020-08-31 CN CN202010899156.3A patent/CN112031968A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08261087A (en) * | 1995-03-23 | 1996-10-08 | Nissan Diesel Motor Co Ltd | Starting auxiliary device of diesel engine fuel device |
| CN2576988Y (en) * | 2002-10-14 | 2003-10-01 | 郑顺利 | Pressure fuel tank for diesel engine |
| CN205277647U (en) * | 2015-12-04 | 2016-06-01 | 李长和 | Oil tank of diesel vehicle |
| CN109026466A (en) * | 2018-08-01 | 2018-12-18 | 汽解放汽车有限公司 | A kind of diesel vehicle Han Qu positive pressure oil supply system and its fuel supply method |
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Application publication date: 20201204 |
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| RJ01 | Rejection of invention patent application after publication |