CN101858282A - Oil supply system of heat preservation oil tank of diesel engine - Google Patents
Oil supply system of heat preservation oil tank of diesel engine Download PDFInfo
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- CN101858282A CN101858282A CN 201010194537 CN201010194537A CN101858282A CN 101858282 A CN101858282 A CN 101858282A CN 201010194537 CN201010194537 CN 201010194537 CN 201010194537 A CN201010194537 A CN 201010194537A CN 101858282 A CN101858282 A CN 101858282A
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Abstract
The invention discloses an oil supply system of a heat preservation oil tank of a diesel engine, which comprises an oil supply pipe, an oil return pipe and an oil tank for storing diesel oil; the diesel engine comprises an engine and an engine water pump and is characterized in that the oil supply system also comprises an electric control unit and a heat preservation device used for supply heat energy for the oil tank, the heat preservation device comprises a water inlet of the heat preservation device and a water outlet of the heat preservation device, the water inlet of the heater preservation device is communicated with a water outlet pipe of the water pump through a water inlet pipe, and the water outlet of the heat preservation device is communicated with the water inlet pipe of the water pump through a water return pipe; and the oil tank comprises a main oil tank for storing high-grade diesel oil and an auxiliary oil tank for storing low-grade diesel oil. Through designing the oil tank to be the auxiliary oil tank for storing the low-grade diesel oil and the main oil tank for storing the high-grade diesel oil and arranging the heat preservation device for heating the main oil tank or the main and the auxiliary oil tank, the invention effectively avoids problem that an oil line system of a diesel car can not work normally due to over-low temperature.
Description
Technical field
The present invention relates to a kind of oil supply system of heat preservation oil tank of diesel engine, in particular, relate in particular to a kind of oil supply system of heat preservation oil tank of diesel engine that utilizes the circulating water of engine water pump as thermal source.
Background technique
In car industry highly developed today, huge change has taken place because automobile has been arranged in our life, but in the north one of China to winter, concerning the fuel oil of diesel-powered car and oil supply system is exactly a huge test, because when the diesel oil of automobile adding high grade ran into the weather of low temperature in the winter time, thickness freezed to such an extent as to diesel oil will become.The diesel-powered car that travels is cast anchor on the way, cause very large hidden danger.If relief in time will have the certain economic loss, open-air consequence is hardly imaginable in the wilderness if vehicle casts anchor.Often have because of the report of departing from the world in the operator cabin of driver that cast anchor of vehicle in northwest and northeast winter in cold.In the winter time in the accident that vehicle casts anchor, having over half is because temperature is low excessively, and the accident that causes problem appearred and in the oil supply system that causes vehicle.The diesel oil machine can only be by the low-grade diesel oil of filling in northerly winter, it is unusual just to make diesel oil that oil supply system is occurred, adding low-grade diesel oil, will the operation cost of vehicle be raise significantly, also be unfavorable for the principles and policies that energy-saving and emission-reduction are big in addition.
Summary of the invention
The present invention provides a kind of oil supply system of heat preservation oil tank of diesel engine that utilizes the circulating water of engine water pump as thermal source in order to overcome the shortcoming of above-mentioned technical problem.
Oil supply system of heat preservation oil tank of diesel engine of the present invention comprises fuel supply line, return tube and is used to store the fuel tank of diesel oil; Described diesel engine comprises motor and engine water pump, described motor comprises filler opening and oil outlet, described engine water pump comprises pumping line and pump water inlet, its specialization is: described oil supply system also comprises electric control unit and is used for the thermal insulation apparatus that oil dropping apparatus provides heat, this thermal insulation apparatus comprises thermal insulation apparatus water intake and thermal insulation apparatus water outlet, described thermal insulation apparatus water intake is connected with pumping line by intake pipe, and described thermal insulation apparatus water outlet is connected with pump water inlet by return pipe; Described fuel tank comprises the auxilliary fuel tank that is used to store the main fuel tank of high grade diesel oil and is used to store low grade diesel oil, described main fuel tank and auxilliary fuel tank are communicated with the fuel supply line selectivity by three-way magnetic valve, described fuel supply line is connected with filler opening, and described oil outlet is connected with main fuel tank by return tube; Described electric control unit is realized the control to three-way magnetic valve.Auxilliary fuel tank is used for storing low-grade diesel oil, as-No. 30 or-No. 50 diesel oil, because the condensation point of low grade diesel oil is lower, even the temperature of external environment is lower, also can not make its wax deposition.When motor has just brought into operation or be out of service, should guarantee in the oil supply system to be the low grade diesel oil of assisting in the fuel tank.Main fuel tank is used for storing the diesel oil of high grade, because the price of high grade diesel oil is relatively more cheap comparatively speaking, it helps saving as main energy source.Described thermal insulation apparatus is used for to main fuel tank heating, makes diesel oil in the main fuel tank oil supply system of flowing through smoothly; Certainly it also can give auxilliary fuel tank heating in to the main fuel tank heating, to avoid the heat radiation of auxilliary fuel tank.Described thermal insulation apparatus utilization be circulating water in the engine water pump, this can not only reach the heat insulation effect to fuel tank, but also makes the temperature of engine water pump circulating water be reduced, and has realized making full use of the purpose of the energy.Electric control unit is by the control to three-way magnetic valve, can select auxilliary fuel tank still is that main fuel tank is communicated with fuel supply line, return tube is communicated with main fuel tank and gets final product, even the low grade diesel oil in the auxilliary fuel tank refluxes enters in the main fuel tank, also can not influence the normal use of diesel oil in the main fuel tank.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, the distribution form of described main fuel tank and auxilliary fuel tank is:
Main fuel tank and auxilliary fuel tank are that front and back distribute;
Main fuel tank and auxilliary fuel tank are for distributing up and down; Or
Auxilliary fuel tank is arranged on the inside of main fuel tank.According to the vehicle difference of automobile, fuel tank can be selected different structural type.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, described fuel tank are single layer structure, and described thermal insulation apparatus is heating pipeline or the radiating fin that is wound in fuel tank outer wall or inner wall of oil tank.At fuel tank is under the circumstances of single layer structure, as the outside that the heating pipeline or the radiating fin of heat transmission can be arranged at oil tank wall, also can be arranged at the inboard of oil tank wall, all can realize the purpose to the fuel tank heating.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, described fuel tank is a double layer construction, described thermal insulation apparatus is heating pipeline or radiating fin, and described thermal insulation apparatus is arranged between the internal surface or fuel tank internal layer and skin of the outer field outer surface of fuel tank, fuel tank internal layer.If fuel tank is a double layer construction, provide the heating pipeline of heat or the mounting point of radiating fin just to have three so, the one, at the outer surface of fuel tank, it is the outer field outer surface of fuel tank recited above, heating pipeline or radiating fin are installed simply in this method, but can make the heat of heating pipeline or radiating fin be dispersed into the external world; The 2nd, in the internal cavities of fuel tank, the internal surface of fuel tank internal layer promptly recited above, in this structure, though the utilization of heat is more abundant, the installation of heating pipeline or radiating fin is provided with cumbersome; Besides in the inner layer wall and the cavity between the outer wall of fuel tank.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, described heating equipment are cavity between main fuel tank and the auxilliary fuel tank or the cavity that is arranged at the main fuel tank bottom.When main fuel tank and auxilliary fuel tank are designed to up-down structure or left and right sides structure, the cavity of a storage circulating water can be set between main fuel tank and auxilliary fuel tank, be used for the oil dropping apparatus heating; When fuel tank is designed to up-down structure and main fuel tank in the bottom, the cavity of a storage circulating water can be set below main fuel tank, be used for the oil dropping apparatus heating.
Be set under the double-deck condition at fuel tank, can be the cavity between the fuel tank two layers of walls as heating equipment, this structure not only is easy to realize, but also can reaches heats preferably.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, described intake pipe is provided with two three-way electromagnetic valves, and the break-make of this two three-way electromagnetic valve is controlled by electric control unit.The purpose that two three-way electromagnetic valves are set is for the conducting that realizes intake pipe and ends, and under the external temperature condition with higher, can come by intake pipe by the control of electric control unit to two three-way electromagnetic valves.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, also comprise cooling system, this cooling system comprises temperature-dropping fan, radiator, cooling intake pipe, the outlet pipe of lowering the temperature, is arranged at the temperature transducer in the main fuel tank, the water intake of described radiator is connected on the intake pipe between two three-way electromagnetic valves and the thermal insulation apparatus water intake by the cooling intake pipe, and the water outlet of described radiator links to each other with return pipe by the outlet pipe of lowering the temperature; The data-in port of described temperature transducer and electric control unit is electrically connected.Cooling device is set can be realized in summer when the temperature in temperature transducer detects main fuel tank is elevated to the temperature value of setting, by the acting in conjunction of radiator and temperature-dropping fan, can the heat that fuel tank is delivered on the radiator being dissipated cooling to fuel tank.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, the central processing unit (CPU) of described electric control unit are the PLC controller; Electric control unit is connected with temperature transducer, three-way magnetic valve, two three-way electromagnetic valves, temperature-dropping fan respectively by temperature detection circuit, three-way magnetic valve control wiring, two three-way electromagnetic valve control wirings, blower fan control wiring; Described electric control unit also comprises main fuel tank oil level monitor, auxilliary fuel level in tank display device, oily temperature display device and carries out main fuel tank and the diverter switch of auxilliary fuel tank switching.Electric control unit is mainly realized signal measurement, data display and Equipment Control; Electric control unit control three-way magnetic valve can realize that the fuel feeding of main fuel tank and auxilliary fuel tank switches, and can control thermal insulation apparatus by controlling two three-way electromagnetic valves.Liquid level sensor is set in main fuel tank and auxilliary fuel tank can realizes oil-level measurement in the corresponding fuel tank, and show by main fuel tank oil level monitor and auxilliary fuel level in tank display device.Electric control unit can be realized the measurement that oil is warm by temperature transducer, and shows by oil temperature display device; Temperature-dropping fan is also controlled by electric control unit.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, described intake pipe is provided with the diesel fuel filter core retainer plate, and described fuel supply line is provided with diesel-oil filter element; In use, diesel-oil filter element is arranged in the diesel fuel filter core retainer plate.Diesel-oil filter element is set on the intake pipe and diesel-oil filter element is arranged in the diesel fuel filter core retainer plate, can make the temperature of water in the temperature of diesel oil in the diesel-oil filter element and fuel tank or the intake pipe be consistent, effectively avoided the generation of diesel oil wax deposition phenomenon in filter core.
Oil supply system of heat preservation oil tank of diesel engine of the present invention, described fuel supply line, return tube, intake pipe and return pipe abut against together mutually, and the periphery of described fuel supply line, return tube, intake pipe and return pipe is enclosed with thermal insulation layer.This structural type promptly is close together fuel supply line, return tube, intake pipe and return pipe and is provided with, and one thermal insulation layer is set at the outside face, this has not only been avoided intake pipe and return pipe the scattering and disappearing of heat in transmittance process, but also make the temperature of diesel oil in fuel supply line and return tube equal or approach in the fuel tank temperature of oil, make oil supply system more stable.
The invention has the beneficial effects as follows: (1) is by being designed to fuel tank store the auxilliary fuel tank of low grade oil and the main fuel tank of storage high grade oil, and be provided with owing to give the thermal insulation apparatus of main fuel tank or the heating of major and minor fuel tank, avoided the oil-way system of diesel car effectively because temperature is crossed low and the generation cisco unity malfunction situation; (2), not only make simplicity of design of the present invention, but also reached the purpose that makes full use of the energy by utilizing circulating water in the diesel automobile engine water pump as the thermal source of thermal insulation apparatus; (3), can make that the control of system is more succinct by electric control unit is set; (4) transport pipe among the present invention and conduit pipe also can be set together, and have guaranteed the stability of fuel transfer system.
Description of drawings
Fig. 1 is the schematic diagram of oil supply system of heat preservation oil tank of diesel engine of the present invention;
Fig. 2 is first kind of embodiment's of a fuel tank of the present invention structural representation;
Fig. 3 is second kind of embodiment's of a fuel tank of the present invention structural representation;
Fig. 4 is the third embodiment's of a fuel tank of the present invention structural representation;
Fig. 5 is the schematic representation of first kind of mounting type of thermal insulation apparatus of the present invention;
Fig. 6 is the schematic representation of second kind of mounting type of thermal insulation apparatus of the present invention;
Fig. 7 is the schematic representation of the third mounting type of thermal insulation apparatus of the present invention;
Fig. 8 is the schematic representation of the 4th kind of mounting type of thermal insulation apparatus of the present invention;
Fig. 9 is the schematic representation of the 5th kind of mounting type of thermal insulation apparatus of the present invention;
Figure 10 is the schematic representation of the 6th kind of mounting type of thermal insulation apparatus of the present invention;
Figure 11 is the cross sectional representation after fuel supply line of the present invention, return tube, intake pipe, the return pipe installation.
Among the figure: 1 main fuel tank, 2 auxilliary fuel tanks, 3 fuel supply lines, 4 motors, 5 engine water pumps, 6 return tubes, 7 auxilliary fuel tank oil outlet tubes, 8 main fuel tank oil outlet tubes, 9 three-way magnetic valves, 10 filler openings, 11 oil outlets, 12 pumping lines, 13 pump water inlets, 14 electric control units, 15 temperature detection circuits, 16 three-way magnetic valve control wirings, 17 liang of three-way electromagnetic valve control wirings, 18 blower fan control wirings, 19 liang of three-way electromagnetic valves, 20 manually operated valves, 21 intake pipes, 22 return pipes, 23 cooling intake pipes, 24 cooling outlet pipes, 25 temperature-dropping fans, 26 radiators, 27 main fuel tank oil level monitors, 28 auxilliary fuel level in tank display devices, 29 oily temperature display devices, 30 diverter switches, 31 diesel fuel filter core retainer plates, 32 diesel-oil filter elements, 33 temperature transducers, 34 thermal insulation apparatus water intakes, 35 thermal insulation apparatus water outlets, 36 thermal insulation layers.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, oil supply system of heat preservation oil tank of diesel engine of the present invention comprises main fuel tank 1, auxilliary fuel tank 2, fuel supply line 3, return tube 6, auxilliary fuel tank oil outlet tube 7, main fuel tank oil outlet tube 8, three-way magnetic valve 9, electric control unit 14, two three-way electromagnetic valves 19, intake pipe 21, return pipe 22, diesel fuel filter core retainer plate 31, diesel-oil filter element 32, thermal insulation apparatus, cooling system.Diesel engine comprises motor 4, engine water pump 5, filler opening 10, oil outlet 11, pumping line 12, pump water inlet 13; Electric control unit comprises temperature detection circuit 15, three-way magnetic valve control wiring 16, two three-way electromagnetic valve control wirings 17, blower fan control wiring 18, main fuel tank oil level monitor 27, auxilliary fuel level in tank display device 28, oily temperature display device 29, diverter switch 30; Thermal insulation apparatus is used for oil dropping apparatus heating and its heating pipeline or radiating fin that comprises thermal insulation apparatus water intake 34, thermal insulation apparatus water outlet 35 and be used for the oil dropping apparatus heating; Cooling device comprises manually operated valve 20, cooling intake pipe 23, cooling outlet pipe 24, temperature-dropping fan 25, radiator 26.
Fuel tank is divided into main fuel tank 1 and auxilliary fuel tank 2, and main fuel tank 1 is used to store high grade oil, and as No. 0 diesel oil, high grade oil helps saving cost as the main oil sources of diesel car.Auxilliary fuel tank 2 is used to store low grade oil, and as-No. 30 or-No. 50 diesel oil, low grade oil is wax deposition not at low temperatures, has effectively prevented the obstruction of oil supply system.During use, also a thermal insulation layer should be set at the outer surface of fuel tank, thermal insulation layer can effectively prevent the fuel tank heat dissipation.The outer wall that main fuel tank 1 shown in Fig. 1 and auxilliary fuel tank 2 are is structure as a whole, and their outer wall is a double layer construction, be provided with the heating pipeline that is used for the oil dropping apparatus heating in the cavity between internal layer and skin, the water intake of this heating pipeline and water outlet are respectively thermal insulation apparatus water intake 34 and thermal insulation apparatus water outlet 35, thermal insulation apparatus water intake 34 is connected by the outlet pipe of intake pipe 21 with engine water pump 5, and thermal insulation apparatus water outlet 35 is connected by the intake pipe of return pipe 22 with engine water pump 5.In reality connects, the simplest method is exactly thermal insulation apparatus water intake 34 is connected in warm-air drier by intake pipe 21 water inlet, thermal insulation apparatus water outlet 35 is connected with the return pipe of warm-air drier by return pipe 22, and this connecting means does not need that motor is done any improvement and just can realize.Be disposed with diesel fuel filter core retainer plate 31 and two three-way electromagnetic valves 19 in intake pipe 21 upper edge water (flow) directions, diesel fuel filter core retainer plate 31 can match with diesel-oil filter element and merge the effect of playing to the diesel-oil filter element insulation.By the control of electric control unit to two three-way electromagnetic valves 19, and then realization is to the control of thermal insulation apparatus.
Auxilliary fuel tank oil outlet tube 7 all is connected with the input port of three-way magnetic valve 9 with main fuel tank oil outlet tube 8, the output port of three-way magnetic valve 9 is connected with fuel supply line 3, the output port of fuel supply line 3 is connected with the filler opening 10 of motor 4, fuel supply line 3 is provided with diesel-oil filter element 32, in the process of installing, diesel-oil filter element 32 is arranged on the inside of diesel fuel filter core retainer plate 31, has realized the good insulation of diesel-oil filter element.The oil outlet 11 of motor is connected with main fuel tank 1 by return tube 6, and in the process of using, electric control unit 14 can enter oil supply loop to the diesel oil in the still auxilliary fuel tank of main fuel tank and select by the control to three-way magnetic valve 9.Be provided with temperature transducer 33 in the main fuel tank 1, electric control unit is realized the warm measurement of oil in the main fuel tank by temperature transducer 33; Be connected with cooling intake pipe 23 on the pipeline of the intake pipe 21 between two three-way electromagnetic valves 19 and the thermal insulation apparatus water intake, intake pipe 23 is connected with the water intake of radiator 26, and the water outlet of radiator 26 is connected with return pipe 22 by cooling outlet pipe 24.When ambient temperature is higher, two three-way electromagnetic valves 19 are closed, thermal insulation apparatus does not carry out work, if at this moment the temperature of diesel oil has reached the maximum temperature values of setting in the main fuel tank, then electric control unit 14 control temperature-dropping fans 25 change together, carry out cooling, should guarantee that at this moment manually operated valve 20 opens, so that the heat transfer of fuel tank is to radiator 26 to radiator 26.
The central processing unit (CPU) of electric control unit 14 is the PLC controller, and electric control unit 14 is connected with temperature-dropping fan 25 with temperature transducer 33, three-way magnetic valve 9, two three-way electromagnetic valves 19 respectively by temperature detection circuit 15, three-way magnetic valve control wiring 16, two three-way electromagnetic valve control wirings 17, blower fan control wiring 18.The main fuel tank oil level monitor 27 and the auxilliary fuel level in tank display device 28 that are provided with on the electric control unit 14 show the oil level in main fuel tank and the auxilliary fuel tank respectively; Diverter switch 30 can directly be controlled three-way magnetic valve 9, realizes the switching between main fuel tank and the auxilliary fuel tank.Shown in oily temperature display device be three bit digital LED nixie tubes, can the oily temperature in the main fuel tank be shown.
Oil supply system of heat preservation oil tank of diesel engine of the present invention as shown in Figure 1, do not provide the schematic representation after the installation of fuel supply line 3, return tube 6, intake pipe 21 and return pipe 22, as shown in figure 11, structural representation when having provided as installed, the pipeline of fuel supply line 3, return tube 6, intake pipe 21 and return pipe 22 moves towards identical, and promptly fuel supply line 3, return tube 6, intake pipe 21 and return pipe 22 abut against together.Adopt this structural type, can make intake pipe 21 and return pipe 22 and fuel supply line 3 and return tube 6 that heat exchange takes place, make the diesel oil in fuel supply line 3 and the return tube 6 that a higher temperature be arranged, guarantee the proper functioning of oil supply system.Diesel fuel filter core retainer plate 31 is arranged on the intake pipe 21, and in the process of using, diesel-oil filter element 32 is arranged in the diesel fuel filter core retainer plate 31, has realized the insulation to diesel-oil filter element 32.
Fig. 2, Fig. 3 and Fig. 4 have provided the structural type of fuel tank among the present invention, and as shown in Figure 2, main fuel tank 1 and auxilliary fuel tank 2 are left and right sides structural distribution, and main fuel tank 1 and auxilliary fuel tank 2 can be single layer structure, also can be double layer construction; In the fuel tank shown in Figure 3,2 one-tenth up-down structure forms of main fuel tank 1 and auxilliary fuel tank distribute, and in the mailbox shown in Figure 4, auxilliary fuel tank 2 is arranged at the inside of main fuel tank 1.Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 give and have located the distribution form of heating pipeline among the present invention; Main fuel tank shown in Figure 51 be the double layer construction of integral type with auxilliary fuel tank 2, heats pipeline and is arranged in the internal cavities in the double layer construction; As shown in Figure 6, shown main fuel tank 1 and auxilliary fuel tank 2 also are double-deck integrative-structure, and the heating pipeline is arranged at the outside of fuel tank outer wall, and this distribution form is provided with conveniently, but heat has certain loss; As shown in Figure 7, shown main fuel tank 1 and auxilliary fuel tank 2 also are double layer construction, and at this moment adopting the cavity between the two-layer oil tank wall is heating equipment, realize the heating to main fuel tank 1 and auxilliary fuel tank 2, adopt this mode, and be relatively simple for structure; As shown in Figure 8, shown main fuel tank 1 and auxilliary fuel tank 2 are left and right sides structure, are cavity between main fuel tank 1 and the auxilliary fuel tank 2, and this cavity is used to store circulating water and this cavity is connected with thermal insulation apparatus water intake and thermal insulation apparatus water outlet; Main fuel tank 1 as shown in Figure 9 and auxilliary fuel tank 2 are up-down structure, and the below of main fuel tank 1 is set to cavity, and this cavity is used to store circulating water and this cavity is connected with thermal insulation apparatus water intake 34 and thermal insulation apparatus water outlet 35; As shown in figure 10, shown main fuel tank 1 and auxilliary fuel tank 2 are structure as a whole, and constitute main fuel tank 1 and auxilliary fuel tank 2 by layer of material, and the heating pipeline is arranged in main fuel tank 1 and auxilliary fuel tank 2 internal cavities.
Adopt the working procedure of the diesel car of oil supply system of heat preservation oil tank of diesel engine of the present invention:
When outside air temperature is low, before ato unit, at first should be connected to auxilliary fuel tank 2 on the oil supply system by diverter switch 30, what assurance entered oil supply system is low-grade diesel oil, also manually operated valve 20 should be screwed to closing state; Ato unit 4 then, and engine water pump 5 is also started working, and the cooling water of motor just enters into the heating pipeline by pumping line 12, and fuel tank is heated; At this moment, the temperature transducer that is arranged in the main fuel tank 1 detects the oily temperature in the main fuel tank, oily temperature in detecting main fuel tank reaches the minimum operating temperature of default (under this minimum temperature, diesel oil in can true main conservator reaches user mode) time, electric control unit 14 switches to main fuel tank to auxilliary fuel tank by the switching of three-way magnetic valve 9; Because the temperature of the circulating water in the engine water pump can reach more than 50 ℃, when electric control unit 14 detects temperature in the main fuel tank and reaches the setting temperature upper limit (can be made as 50 ℃), then by two three-way electromagnetic valves 19 intake pipe 21 is closed, the failure of oil feed case provides heat; When the temperature that the oily temperature in detecting main fuel tank drops to default rolls off the production line, then solenoid valve 19 is opened, continued the oil dropping apparatus heating; When automobile is reached home, it is supply reservoir that the driver will assist the fuel tank manual switchover by diverter switch 30, and move 5-10 minute, make the low grade oil in the auxilliary fuel tank enter into fuel supply line 3 and return tube 6, thereby make automobile in parking for a long time, in-engine oil supply system is broken down.
When the temperature of external environment was higher, two three-way electromagnetic valves 19 were closed, and did not carry out heat transfer with fuel tank, and at this moment the manual unlocking manually operated valve 20; At this moment, though the intake pipe of thermal insulation apparatus and body disconnect, but also has circulating water in heating pipeline or the radiating fin, when the finished product oil temperature reaches the highest setting value, temperature-dropping fan 25 in the electric control unit 14 control ring cooling systems is started working, thereby reduces by the temperature of transmission of heat with diesel oil in the main fuel tank.
Claims (10)
1. oil supply system of heat preservation oil tank of diesel engine comprises fuel supply line (3), return tube (6) and is used to store the fuel tank of diesel oil; Described diesel engine comprises motor (4) and engine water pump (5), described motor (4) comprises filler opening (10) and oil outlet (11), described engine water pump (5) comprises pumping line (12) and pump water inlet (13), it is characterized in that: described oil supply system also comprises electric control unit (14) and is used for the thermal insulation apparatus that oil dropping apparatus provides heat, this thermal insulation apparatus comprises thermal insulation apparatus water intake (34) and thermal insulation apparatus water outlet (35), described thermal insulation apparatus water intake (34) is connected with pumping line (12) by intake pipe (21), and described thermal insulation apparatus water outlet (34) is connected with pump water inlet (13) by return pipe (22); Described fuel tank comprises the main fuel tank (1) that is used to store high grade diesel oil and is used to store the auxilliary fuel tank (2) of low grade diesel oil, described main fuel tank (1) and auxilliary fuel tank (2) are communicated with fuel supply line (3) selectivity by three-way magnetic valve (9), described fuel supply line (3) is connected with filler opening (10), and described oil outlet (11) is connected with main fuel tank by return tube (6); Described electric control unit (14) is realized the control to three-way magnetic valve (9).
2. oil supply system of heat preservation oil tank of diesel engine according to claim 1 is characterized in that: the distribution form of described main fuel tank (1) and auxilliary fuel tank (2) is:
Main fuel tank (1) and auxilliary fuel tank (2) distribute for front and back;
Main fuel tank (1) and auxilliary fuel tank (2) are for distributing up and down; Or
Auxilliary fuel tank (2) is arranged on the inside of main fuel tank (1).
3. oil supply system of heat preservation oil tank of diesel engine according to claim 1 and 2 is characterized in that: described fuel tank is a single layer structure, and described thermal insulation apparatus is heating pipeline or the radiating fin that is wound in fuel tank outer wall or inner wall of oil tank.
4. oil supply system of heat preservation oil tank of diesel engine according to claim 1 and 2, it is characterized in that: described fuel tank is a double layer construction, described thermal insulation apparatus is heating pipeline or radiating fin, and described thermal insulation apparatus is arranged between the internal surface or fuel tank internal layer and skin of the outer field outer surface of fuel tank, fuel tank internal layer.
5. oil supply system of heat preservation oil tank of diesel engine according to claim 1 and 2 is characterized in that: described heating equipment is cavity between main fuel tank and the auxilliary fuel tank or the cavity that is arranged at the main fuel tank bottom.
6. oil supply system of heat preservation oil tank of diesel engine according to claim 1 and 2 is characterized in that: described intake pipe (21) is provided with two three-way electromagnetic valves (19), and the break-make of this two three-way electromagnetic valve (19) is controlled by electric control unit (14).
7. oil supply system of heat preservation oil tank of diesel engine according to claim 6, it is characterized in that: also comprise cooling system, this cooling system comprises temperature-dropping fan (25), radiator (26), cooling intake pipe (23), cooling outlet pipe (24), be arranged at the temperature transducer (33) in the main fuel tank (1), the water intake of described radiator (26) is connected on the intake pipe (21) between two three-way electromagnetic valves (19) and the thermal insulation apparatus water intake (34) by cooling intake pipe (23), and the water outlet of described radiator (26) links to each other with return pipe (22) by the outlet pipe (24) of lowering the temperature; The data-in port of described temperature transducer and electric control unit (14) is electrically connected.
8. oil supply system of heat preservation oil tank of diesel engine according to claim 7 is characterized in that: the central processing unit (CPU) of described electric control unit (14) is the PLC controller; Electric control unit (14) is connected with temperature transducer (33), three-way magnetic valve (9), two three-way electromagnetic valves (19), temperature-dropping fan (25) respectively by temperature detection circuit (15), three-way magnetic valve control wiring (16), two three-way electromagnetic valve control wirings (17), blower fan control wiring (18); Described electric control unit (14) also comprises main fuel tank oil level monitor (27), auxilliary fuel level in tank display device (28), oily temperature display device (29) and carries out main fuel tank and the diverter switch (30) of auxilliary fuel tank switching.
9. oil supply system of heat preservation oil tank of diesel engine according to claim 1 and 2 is characterized in that: described intake pipe (21) is provided with diesel fuel filter core retainer plate (31), and described fuel supply line (3) is provided with diesel-oil filter element (32); In use, diesel-oil filter element (32) is arranged in the diesel fuel filter core retainer plate (31).
10. oil supply system of heat preservation oil tank of diesel engine according to claim 1 and 2, it is characterized in that: described fuel supply line (3), return tube (6), intake pipe (21) and return pipe (22) abut against together mutually, and the periphery of described fuel supply line (3), return tube (6), intake pipe (21) and return pipe (22) is enclosed with thermal insulation layer (36).
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| CN 201010194537 CN101858282A (en) | 2010-06-08 | 2010-06-08 | Oil supply system of heat preservation oil tank of diesel engine |
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| CN 201010194537 CN101858282A (en) | 2010-06-08 | 2010-06-08 | Oil supply system of heat preservation oil tank of diesel engine |
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| CN103061926A (en) * | 2013-02-07 | 2013-04-24 | 辽宁工业大学 | System for preheating fuel oil of automotive diesel engine in winter and control method of system |
| CN103615340A (en) * | 2013-12-17 | 2014-03-05 | 刘凤德 | Number zero oil device for diesel engine in winter |
| CN103670840A (en) * | 2013-12-18 | 2014-03-26 | 山东蓬翔汽车有限公司 | Oil supplying system of wide-body dump truck |
| CN104196656A (en) * | 2014-08-15 | 2014-12-10 | 徐州徐工挖掘机械有限公司 | Low-temperature energy-saving system for engineering machinery |
| CN104314720A (en) * | 2014-08-25 | 2015-01-28 | 中外合资沃得重工（中国）有限公司 | Engineering mechanical fuel tank device used in high and cold area and oil supplying method |
| CN104863764A (en) * | 2014-02-20 | 2015-08-26 | 丹东威凯工程液压机械有限公司 | Anti-theft double-fuel tank |
| CN105128657A (en) * | 2015-09-11 | 2015-12-09 | 韩井冈 | Vehicle oil tank control system |
| CN105840361A (en) * | 2016-05-17 | 2016-08-10 | 内蒙古包钢钢联股份有限公司 | Fuel oil pre-heating system for diesel type automobile |
| CN106907276A (en) * | 2017-04-27 | 2017-06-30 | 盘锦兴工晟顺实业有限公司 | Diesel equipment environmental protection and energy saving work system and its operating method |
| CN107448333A (en) * | 2017-08-17 | 2017-12-08 | 三重型装备有限公司 | Double oil supply systems and quarry tipper |
| CN109113902A (en) * | 2018-08-13 | 2019-01-01 | 湖北赛恩斯科技股份有限公司 | A kind of different labels oil tank fuel switching device and method |
| CN110273795A (en) * | 2019-06-28 | 2019-09-24 | 三一重机有限公司 | Oil supply system and vehicle |
| CN111946421A (en) * | 2020-08-28 | 2020-11-17 | 江西昌盛宇航科技有限公司 | Engine lubricating oil heating equipment |
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| CN103061926A (en) * | 2013-02-07 | 2013-04-24 | 辽宁工业大学 | System for preheating fuel oil of automotive diesel engine in winter and control method of system |
| CN103615340A (en) * | 2013-12-17 | 2014-03-05 | 刘凤德 | Number zero oil device for diesel engine in winter |
| CN103615340B (en) * | 2013-12-17 | 2016-06-08 | 刘凤德 | A kind of number zero oil device for diesel engine in winter |
| CN103670840A (en) * | 2013-12-18 | 2014-03-26 | 山东蓬翔汽车有限公司 | Oil supplying system of wide-body dump truck |
| CN104863764A (en) * | 2014-02-20 | 2015-08-26 | 丹东威凯工程液压机械有限公司 | Anti-theft double-fuel tank |
| CN104196656B (en) * | 2014-08-15 | 2017-04-26 | 徐州徐工挖掘机械有限公司 | Low-temperature energy-saving system for engineering machinery |
| CN104196656A (en) * | 2014-08-15 | 2014-12-10 | 徐州徐工挖掘机械有限公司 | Low-temperature energy-saving system for engineering machinery |
| CN104314720A (en) * | 2014-08-25 | 2015-01-28 | 中外合资沃得重工（中国）有限公司 | Engineering mechanical fuel tank device used in high and cold area and oil supplying method |
| CN105128657B (en) * | 2015-09-11 | 2018-12-11 | 韩井冈 | Oil tank of vehicle control system |
| CN105128657A (en) * | 2015-09-11 | 2015-12-09 | 韩井冈 | Vehicle oil tank control system |
| CN105840361A (en) * | 2016-05-17 | 2016-08-10 | 内蒙古包钢钢联股份有限公司 | Fuel oil pre-heating system for diesel type automobile |
| CN106907276A (en) * | 2017-04-27 | 2017-06-30 | 盘锦兴工晟顺实业有限公司 | Diesel equipment environmental protection and energy saving work system and its operating method |
| CN107448333A (en) * | 2017-08-17 | 2017-12-08 | 三重型装备有限公司 | Double oil supply systems and quarry tipper |
| CN109113902A (en) * | 2018-08-13 | 2019-01-01 | 湖北赛恩斯科技股份有限公司 | A kind of different labels oil tank fuel switching device and method |
| CN110273795A (en) * | 2019-06-28 | 2019-09-24 | 三一重机有限公司 | Oil supply system and vehicle |
| CN111946421A (en) * | 2020-08-28 | 2020-11-17 | 江西昌盛宇航科技有限公司 | Engine lubricating oil heating equipment |
| CN111946421B (en) * | 2020-08-28 | 2021-06-25 | 江西昌盛宇航科技有限公司 | Engine lubricating oil heating equipment |
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Application publication date: 20101013 |