CN208057266U - A kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device - Google Patents

Abstract

A kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, including three-way connection, electrothermal tube, the first and second petroleum pipeline, oil sump tank, appendix, 3-position-3-way solenoid directional control valve, temperature sensor, exhaust fan, control panel, control panel is ECU smart circuit control systems, and fuel tank connects the first and second petroleum pipeline through oil pump by two oil outlets of three-way connection；Petroleum pipeline connects two oil inlets of 3-position-3-way solenoid directional control valve；Control panel connect electrothermal tube, solenoid valve, 3-position-3-way solenoid directional control valve, exhaust fan by electric wire with data signal line；Control panel works according to the state-of-charge SOC control diesel power generations of power battery, electrothermal tube is controlled to heat for the first petroleum pipeline, control exhaust fan carries out taking out hot wind work according to reversed hysteresis output characteristics Schmidt trigger control principle, for the fuel Heating in oil sump tank and the second petroleum pipeline, improve mobility, the combustibility of diesel oil, fuel oil transfer efficiency is improved, it is energy saving, reduce fuel cost.

Description

A kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device

Technical field

The utility model is related to a kind of diesel engine petroleum pipeline heating and heat-insulating devices, more particularly to a kind of electric vehicle Distance increasing unit diesel engine petroleum pipeline Automatic-heating warm-keeping device.

Background technology

Application No. is CN201510483732.5, entitled " a kind of diesel engine of vehicle petroleum pipeline attemperator " it is special Profit, discloses a kind of diesel engine of vehicle petroleum pipeline attemperator, including vehicle power supply, first flow valve, petroleum pipeline, heat preservation pipe, Water tank, cooling water pump, cooling water pipe, temperature sensor, automobile controller, heating resistance wire, second flow valve, heat preservation pipe are set It sets on the outside of petroleum pipeline, heating resistance wire, temperature sensor are placed between heat preservation pipe and petroleum pipeline, keep the temperature the cooling of pipe Water in-out end connects and composes cooling water pipe circuit with cooling water pipe, and the both ends of cooling water pump are arranged in cooling water pipe circuit, the One flow valve is positioned close on the cooling water pipe of heat preservation tube ends；Be connected with cooling water pipe on the left of water tank, water tank right side and Cooling tube in diesel engine cooling system is connected, and is communicated by second flow valve between left and right sides；Vehicle power supply, first flow Valve, second flow valve, cooling water pump, temperature sensor, heating resistance wire are connected with automobile controller respectively.The present invention effectively protects Hinder diesel engine oil pipeline heat insulation effect, improves fuel oil service efficiency.

Application No. is the patents of CN87210342, entitled " the electronically electric heat attemperator of oil pipeline ", open A kind of electronically electric heat attemperator of oil pipeline, is that one kind is easily installed, is easy to automatic control, be easy to maintenance can replace costliness Electric heating rubber carries out the newest device of electricity-saving heating and heat preservation for petroleum pipeline.It is bonded using electronically electric heat tile multiple process Make heat source on oil pipeline and with the foaming halfround bar slice ligation of poly- ammonia Xi semi-rigids in oil pipe external thermal insulation.

Application No. is CN201720511281.6, utility models entitled " automatic constant-temperature-heating keeps the temperature diesel oil petroleum pipeline " Patent discloses a kind of diesel oil petroleum pipeline for the heat preservation of motor vehicle diesel pipeline road automatic constant-temperature-heating, including high temperature resistant resistance Fire nylon petroleum pipeline, PTC semiconductive plastics heated at constant temperature band, asbestos insulating layer etc., the PTC semiconductive plastics heated at constant temperature Band is arranged on the outside of heat-resistant fireproof nylon petroleum pipeline, and asbestos insulating layer is set in PTC semiconductives plastics heated at constant temperature band and resistance to The outside of high temperature flame-proof nylon petroleum pipeline, fire-retardant nylon protective layer are set on the outside of asbestos insulating layer；Heating belt electrode is PTC Semiconductive plastics heated at constant temperature band provides power supply.The utility model has automatic constant-temperature-heating diesel oil petroleum pipeline, has safety can It leans on, is easy to operate, feature easy for installation.

Application No. is CN200520033134.X, utility model, entitled " included insulating layer temp auto-controlled oil pipeline electricity adds The patent of hot equipment " discloses a kind of included insulating layer temp auto-controlled oil pipeline electric heating equipment, belongs to for oil temperature control in petroleum pipeline The electric heater unit of system, including microcontroller, temperature sensor, temperature indicator, electrical heating elements also have two blocks of bearing shell shape gold Belong to inner casing；The electrical heating elements are electric heating tube；An electric heating tube is respectively fixed on two inner metal shell internal faces；Also have There are two making bearing shell shape for being linked on petroleum pipeline by Heat Conduction Material to be molded heat-conducting layer, be molded the outside wall surface of heat-conducting layer with Two inner metal shell internal faces fit；The bearing shell shape molded heat insulation layer being also bonded with two inner metal shell outside wall surfaces there are two tool, two Bearing shell shape shell there are two being set on molded heat insulation layer outer surface；Also have and is used as above-mentioned heat-transferring assembly being connected on petroleum pipeline Fixing component.It has the thermal efficiency high, easy for assemble or unload, the characteristics of can automatically adjusting heating temperature according to oil temperature.

Currently, in order to solve under conditions of weather cold, diesel oil is also easy to produce wax deposition, has the phenomenon that solidification, makes diesel oil not Water easily in oil transportation Bottomhole pressure, petroleum pipeline mutually mixed with sundries easily lead to oil circuit is obstructed, it is difficult to easily cause engine start, in Cut-off oil is forced phenomena such as parking, these phenomenons not only reduce the performance of the diesel engine of range extender of electric vehicle, also affect The problem of normal trip of people；Also for solve under the low environment of temperature, diesel combustion is insufficient, causes the energy indirectly It wastes and leads to the problem of exhaust emission, increase greenhouse gases, the major way for solving described problem is to select corresponding gas The diesel oil of warm lower label, or select and heating and thermal insulation is carried out to petroleum pipeline by storage battery heating electrothermal tube, not only power consumption is high, Er Qiejia The thermal efficiency is low.The range extender of electric vehicle diesel engine petroleum pipeline Automatic-heating warm-keeping device of the utility model design, if Two sets of petroleum pipeline systems are counted, in the case of weather cold, heating and thermal insulation are first carried out with the first petroleum pipeline of electrothermal tube pair, diesel oil obtains With flowing, diesel engine starting；Then the flowing gas that the heat generated with diesel engine work is provided by wind turbine, generates heat Gas introduces the hot gas in the insulating layer of oil sump tank and the second petroleum pipeline and is heated and kept the temperature, improves fuel oil Combustibility energy, it is energy saving, improve efficient energy conversion.

Invention content

The purpose of the utility model is to provide a kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping dresses It sets, the distance increasing unit is stand-by power energy resource system, and only too low in on-vehicle battery state-of-charge SOC and while needing uses, because This, can fill the high diesel oil of label, under conditions of weather cold, first carry out heating guarantor with the first petroleum pipeline of electrothermal tube pair Temperature, diesel engine are started, and the heat then generated with diesel engine work introduces in the insulating layer of the second petroleum pipeline and oil sump tank Heating and thermal insulation is carried out, control panel set temperature is reached, closes electrothermal tube, realization is recycled to diesel engine by discarded energy The heating and thermal insulation of petroleum pipeline realizes automatic control function, not only increases mobility, the combustibility energy of diesel oil, and save The energy, improves the energy conversion efficiency of fuel oil, reduces fuel cost.

Above-mentioned in order to realize, the utility model uses following technical scheme：

A kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, including fuel tank, oil pump, three connect Head, electrothermal tube, the first petroleum pipeline, the second petroleum pipeline, oil sump tank, solenoid valve, insulating layer, the first appendix, the second appendix, section Air valve, 3-position-3-way solenoid directional control valve, fuel temperature sensor, diesel engine, exhaust fan, control panel, it is characterised in that：Fuel tank connects Connect oil pump, oil pump connects three-way connection oil inlet, and two oil outlets of three-way connection are separately connected the first petroleum pipeline and second defeated Oil pipe；First petroleum pipeline and the second petroleum pipeline are separately connected two oil inlets of 3-position-3-way solenoid directional control valve, 3-position-3-way electricity It is Fuel Injection Mechanism of Diesel Engine that the oil outlet of magnetic reversal valve connects injection pump by fuel filter；Control panel passes through electric wire and data-signal Line connects electrothermal tube, solenoid valve, 3-position-3-way solenoid directional control valve, exhaust fan；Electrothermal tube receives diesel engine according to control panel Start signal receives temperature sensor signal progress intelligent work；Control panel intelligent control exhaust fan work handle is Reduction for Diesel Engines Warm and generation hot blast pumping is delivered to oil sump tank and the second petroleum pipeline guarantor to the first appendix, air throttle, the second appendix It is the fuel Heating in oil sump tank and the second petroleum pipeline, and kept the temperature by insulating layer in warm layer；The air throttle by control panel according to According to the opening size of fuel temperature sensor intelligent control air throttle, open or close；It is electric when the air throttle is not turned off Magnet valve is in the open state, can carry out hot wind circulation, and when the air throttle is closed, solenoid valve is closed, and hot wind does not flow It is logical, coordinate the closing of door leaf and be in off position, plays as the fuel oil insulation effect in oil sump tank and the second petroleum pipeline；Control State-of-charge SOC of the making sheet according to power battery is passed when the state-of-charge SOC of power battery is less than 30% according to each temperature The information of sensor, control panel generate range extender of electric vehicle diesel engine starting signal, carry out intelligent operation and handle, described in starting Diesel engine, so that distance increasing unit is worked and is generated electricity.

According to the range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, the control panel is ECU smart circuit control systems, including：Signal acquisition input system, ECU micro treatment modules system and RAM/ROM storage units System, data output and power range system.

According to the range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, the intelligence of the electrothermal tube Work is that control panel receives diesel engine start signal, when fuel oil temperature is less than 10 DEG C, electrothermal tube is made to work, generate heat Amount heats the first petroleum pipeline, and the temperature of the fuel oil in the first petroleum pipeline is made to be increased to 10 DEG C or more, starts diesel engine work Make.

According to the range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, distance increasing unit work And generate electricity, the distance increasing unit electricity, it is power battery charging, increases continual mileage.

According to the range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, distance increasing unit work And generate electricity, the distance increasing unit electricity, as the work of electrical energy drive motor, increase continual mileage.

According to the range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, control panel intelligence Exhaust fan work is controlled, according to the principle of reversed hysteresis output characteristics Schmidt trigger, when fuel oil temperature is less than 65 DEG C, exhausting Machine works, and the aperture of air throttle is maximum, and the Hot-blast Heating of circulation makes fuel oil temperature rise, and the aperture of air throttle becomes according to linear Law and reduce, when fuel oil temperature is more than 75 DEG C, the aperture of air throttle is minimum, and exhaust fan is stopped；In fuel oil temperature During decline, when 65 DEG C when fuel oil temperature being reduced to by 75 DEG C, exhaust fan does not work, and the aperture of air throttle keeps minimum, When fuel oil temperature is down to 65 DEG C, the aperture of exhaust fan work, air throttle is maximum, by the Hot-blast Heating of circulation, makes fuel oil temperature Rise.

The utility model has the beneficial effects that：

A kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, the range extender of electric vehicle are To the insufficient supplement of electric vehicle course continuation mileage, can when on-vehicle battery state-of-charge SOC is less than 30% described in distance increasing unit work And generate electricity, distance increasing unit work power generation can be battery charging, vehicle can be realized after continuing directly as electrical energy drive motor The function of sailing increases the course continuation mileage of vehicle, and the distance increasing unit selects diesel engine as engine, in the item of weather cold Under part, diesel oil is also easy to produce wax deposition, has the phenomenon that solidification, is not easy in oil transportation Bottomhole pressure；Water in petroleum pipeline mutually mixes easy with sundries Phenomena such as causing oil circuit obstructed, easily causing difficult engine start, interruption fuel feeding, be forced to stop, not only reduce electric vehicle The performance of the diesel engine of distance increasing unit also affects the normal trip of people, on the other hand, under the low environment of temperature, diesel oil combustion It burns insufficient, causes the waste of the energy indirectly, and generate exhaust emission, increase greenhouse gases, since electric vehicle increases journey Device is back-up power source system, is only used when needed, and therefore, the diesel engine that such as distance increasing unit is selected can not be alternative The diesel oil of corresponding label could can only preferably make institute when temperature is low by carrying out heating and thermal insulation to the fuel oil in petroleum pipeline State distance increasing unit diesel engine normal work.The utility model devises two sets of oil circuit systems of the first petroleum pipeline and the second petroleum pipeline System, the two kinds of different modes of heat generated respectively by electrothermal tube and diesel engine carry out heating and thermal insulation, and two kinds of oil piping systems are not Intelligent control conversion is carried out under the conditions of synthermal, not only solves the problems, such as that diesel engine is lowly not easy to start in temperature, but also help In energy saving, promote the reasonable utilization for discarding the energy, improve the energy conversion efficiency of fuel oil, reduce fuel cost, more The function of range extender of electric vehicle has been played well.

Description of the drawings：

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is that the three-way connection structural diagrams of the utility model are intended to；

Fig. 3 is the oil sump tank structural schematic diagram of the utility model；

Fig. 4 is the electromagnetic valve structure figure of the utility model；

Fig. 5 is the 3-position-3-way solenoid directional control valve structure chart of the utility model；

Fig. 6 is the air throttle structure chart of the utility model；

Fig. 7 is the control panel schematic diagram of the utility model.

In attached drawing：1. fuel tank, 2. oil pumps, 3. three-way connections, 3A. oil outlets, 3B. oil outlets, 3P. oil inlets, 4. oil-collectings Case and the second petroleum pipeline insulating layer, 5. oil sump tanks, 5A. oil-collectings tank inlet, the outlet of 5B. oil sump tanks, 6. electrothermal tubes, 7. second oil transportations Pipe, 8. heating tubes, 9. solenoid valves, the gas outlets 9A., 9P. air inlets, 10. second appendixs, 11. air throttles, 12. 3-position-3-ways Solenoid directional control valve, 12A. oil inlets, 12B. oil inlets, 12P. oil outlets, 13. fuel filters, 14. petroleum pipeline insulating layers, 15. Injection pump, 16. petroleum pipelines, 17. fuel pressure regulators, 18. atomizers, the fuel temperature sensor at 19. fuel injectors, 20. Diesel engine, 21. first appendixs, the temperature sensor of 22. exhaust fan air inlets, 23. exhaust fans, 24. control panels, 25. electricity It is bottle, the fuel temperature sensor of 26. first petroleum pipelines, the fuel temperature sensor of 27. oil sump tanks, 28. door leafs, 29. first defeated Oil pipe, 30. information collection input systems, 31.RAM/ROM memory cell arrangements, 32.ECU micro treatment modules system, 33. data Output and power range system, 34. gas outlets, 35. air inlets.

Specific implementation mode：

The utility model is described further in the following with reference to the drawings and specific embodiments.

A kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device of the utility model, such as attached drawing 1, figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, including：Fuel tank 1, oil pump 2, three-way connection 3, oil outlet 3A, oil outlet 3B, into Hydraulic fluid port 3P, oil sump tank and the second petroleum pipeline insulating layer 4, oil sump tank 5, oil-collecting tank inlet 5A, oil sump tank outlet 5B, electrothermal tube 6, the Two petroleum pipelines 7, heating tube 8, solenoid valve 9, gas outlet 9A, air inlet 9P, the second appendix 10, air throttle 11,3-position-3-way electricity Magnetic reversal valve 12, oil inlet 12A, oil inlet 12B, oil outlet 12P, fuel filter 13, petroleum pipeline insulating layer 14, injection pump 15, petroleum pipeline 16, fuel pressure regulator 17, atomizer 18, the fuel temperature sensor 19 at fuel injector, diesel engine 20, One appendix 21, the temperature sensor 22 of exhaust fan air inlet, exhaust fan 23, control panel 24, storage battery 25, the first petroleum pipeline Fuel temperature sensor 26, the fuel temperature sensor 27 of oil sump tank, door leaf 28, the first petroleum pipeline 29, information collection input system System 30, RAM/ROM memory cell arrangements 31, ECU micro treatment modules system 32, data output and power range system 33, outlet Mouth 34, air inlet 35.

Assembly relation：

Fuel tank 1 is connected to oil pump 2 by petroleum pipeline, and oil pump 2 connects the oil inlet 3P of three-way connection 3, and described three connect First 3 include oil outlet 3A, oil outlet 3B, oil inlet 3P, and the first petroleum pipeline of oil outlet 3A connections 29, oil outlet 3B is connected by oil pipe Connect the entrance 5A of oil sump tank 5, the second petroleum pipeline of outlet 5B connections 7 of oil sump tank 5；Exhaust fan 23 absorbs the heat by diesel engine 20 Wind, the hot wind by the first appendix 21, air throttle 11, the second appendix 10, protect into oil sump tank and the second petroleum pipeline It is that oil sump tank 5 and the second petroleum pipeline 7 heat, the oil sump tank and the second petroleum pipeline insulating layer 4 are enclosed in oil sump tank 5 in warm layer 4 And second petroleum pipeline 7 outside, oil sump tank and the second petroleum pipeline insulating layer 4 are that oil sump tank 5 and the second petroleum pipeline 7 are kept the temperature；Exhausting Machine 23 is connected through a screw thread the first appendix 21, and the first appendix 21 is connected through a screw thread air throttle 11, and air throttle 11 passes through spiral shell Line connects the second appendix 10, and the second appendix 10 is connected through a screw thread the air inlet 9P of solenoid valve 9, the gas outlet of solenoid valve 9 9A is connected through a screw thread heating tube 8, and heating tube 8 is connected through a screw thread the air inlet of the insulating layer 4 of oil sump tank and the second petroleum pipeline 35, the hot wind is discharged from gas outlet 34；The outer layer of first petroleum pipeline 29 winds electrothermal tube 6；First petroleum pipeline 29 and second Petroleum pipeline 7 is connected by 3-position-3-way solenoid directional control valve 12, the first petroleum pipeline of oil inlet 12A connections 29, oil inlet 12B connections the Two petroleum pipelines 7, oil outlet 12P connect fuel filter 13 by oil pipe, and fuel filter 13 connects injection pump 15, injection pump 15 By petroleum pipeline 16 diesel engine 20 is connected through fuel pressure regulator 17；Control panel 24 is connected to by electric wire and data signal line Electrothermal tube 6, solenoid valve 9,3-position-3-way solenoid directional control valve 12, exhaust fan 23 are connected by electrical wiring to storage battery 25 by control panel 24； Exhaust fan 23 connects diesel engine 20 by air duct.

The design principle of the utility model is as follows：

Range extender of electric vehicle is less than in the state-of-charge SOC of battery to the insufficient supplement of electric vehicle course continuation mileage It when 30%, is worked and generated electricity by distance increasing unit, can be power battery charging, can realize vehicle directly as electrical energy drive motor The function of continuing traveling, increases the course continuation mileage of vehicle；Since distance increasing unit is spare energy system, small-power can be selected Distance increasing unit, in order to reduce cost, also for reducing volume and weight, since the power of distance increasing unit is small, selected diesel engine Power is also small, so, it works and electricity in distance increasing unit, can only provide electric vehicle runs at a low speed, if needed powerful Distance increasing unit, and electric vehicle is enable to run at high speed when distance increasing unit provides big electric energy, it is proposed that electric vehicle Scheme Choice plug-in Formula mixed power electric car.The range extender of electric vehicle of the utility model is to select diesel engine as engine, cold in weather Under conditions of cold, diesel oil be also easy to produce wax deposition, solidification the phenomenon that, be not easy in oil transportation Bottomhole pressure；Water in petroleum pipeline and sundries phase The mixed oil circuit that easily leads to is obstructed, phenomena such as easily causing difficult engine start, interruption fuel feeding, be forced to stop, not only reduces electronic The performance of automobile travel increasing apparatus also affects the normal trip of people；On the other hand, under the low environment of temperature, diesel combustion is not Fully, the waste of the energy is caused indirectly, and generates exhaust emission, increases greenhouse gases.The utility model designs electronic Automobile travel increasing apparatus diesel engine petroleum pipeline Automatic-heating warm-keeping device designs two sets of petroleum pipeline systems, in the situation of weather cold Under, heating and thermal insulation is carried out by two kinds of different modes of electrothermal tube and diesel engine heat respectively, two kinds of oil piping systems are in different temperatures Under the conditions of converted, not only solve the problems, such as that diesel engine is lowly not easy to start in temperature, and contribute to it is energy saving, promote The reasonable utilization of the discarded energy.When fuel oil temperature is less than 10 DEG C in fuel tank and petroleum pipeline, before diesel engine starting, electric heating is connected Pipe be the first petroleum pipeline heat, oil liquid temperature be more than 8 DEG C when, start diesel engine and distance increasing unit works and generates electricity, pass through exhausting Power traction, which enters the hot gas generated by diesel engine and enters in the insulating layer of oil sump tank and the second petroleum pipeline, to be heated and is kept the temperature, when When diesel fuel temperature in oil sump tank is higher than 10 DEG C, electrothermal tube stops heating, and the hot wind for being utilized as diesel engine cooling and generating continues It is energy saving to carry out heating and thermal insulation in the insulating layer of oil sump tank and the second petroleum pipeline, improve mobility, the incendivity of fuel oil Performance can not be limited in the selection of diesel oil by the label of fuel oil, due to range extender of electric vehicle diesel engine be not through It is often used, only spare energy system, so, it can be worked normally using spare 5# or 0# diesel oil, even if in the cold winter Season 5# or 0# diesel oil can be still used, the energy conversion efficiency of fuel oil is improved, reduces fuel cost.

Oil sump tank and the function of the second petroleum pipeline insulating layer 4 and petroleum pipeline insulating layer 14 are to prevent heat from passing when temperature is low Go out, radiate and keeping temperature not reduces, prevents heat incoming when temperature is high and temperature is kept not increase.

Oil sump tank is the small fuel tank of an intermediate transition, has certain volume, entrance to connect three-way connection connection second Petroleum pipeline, the outlet of oil sump tank and entrance are all in the lower part of oil sump tank, and at normal vehicle operation parking stall, oil sump tank is that level is put It sets.Oil sump tank has certain volume, can store fuel oil, and oil temperature is conducive to heat.

Control panel is ECU smart circuit control systems, including：Signal acquisition input system, ECU micro treatment modules system and RAM/ROM memory cell arrangements, data output and power range system.

The function of control panel：When the state-of-charge SOC of power battery is less than 30%, distance increasing unit diesel engine starting letter is generated Number, it acquires the information of each temperature sensor, according to integrated informations such as the demands of diesel engine, carries out intelligent operation and processing, it is real Existing data output and power output；Each temperature sensor includes fuel temperature sensor, exhaust fan at fuel injector The fuel temperature sensor of the temperature sensor of air inlet, the fuel temperature sensor of the first petroleum pipeline, oil sump tank.

The intelligent control process of control panel is to control the work of electrothermal tube, exhaust fan, 3-position-3-way solenoid directional control valve, is shown Show that the information that diesel engine can start, the information that can be started only show that the temperature of fuel oil meets diesel engine Working performance does not have control motor hand work energy.When diesel engine has working signal demand, control panel controls three three Electric change valve is in the position communicated, oil inlet 12A is communicated with oil outlet 12P or oil inlet 12B goes out not in centre position Hydraulic fluid port 12P is communicated.

3-position-3-way solenoid directional control valve normality is in centre position, and Median Function is that two oil inlets of M types communicate, described Two oil inlets be oil inlet 12A and oil inlet 12B, described two oil inlet and outlet 12P are not communicated with.

The intelligent control process of control panel 24：

When starting diesel engine, the signal acquisition input system of ECU smart circuit control systems has received starting letter Number, meanwhile, have received each temperature sensor signal.When the fuel oil temperature that sensor 19 is shown is less than 10 DEG C, storage battery is connected With electrothermal tube circuit, electrothermal tube is made to work, generate heat, heated the first petroleum pipeline, make the temperature of the fuel oil in the first petroleum pipeline It increases, when fuel oil temperature is increased to 10 DEG C or more, is conducive to flowing, the burning of fuel oil, due to fuel oil temperature transmission process Temperature step difference, when the fuel oil temperature that sensor is shown still is below 10 DEG C；3-position-3-way solenoid directional control valve is controlled first Position makes the first petroleum pipeline and fuel filter, 16 unicom state of petroleum pipeline, is Fuel Injection Mechanism of Diesel Engine, starts diesel engine work, institute The first position stated is that oil inlet 12A is communicated with oil outlet 12P, and the fuel oil is the diesel oil of diesel engine；In exhausting When machine intake air temperature is higher than 10 DEG C, ECU smart circuit control systems control exhaust fan work, solenoid valve is opened, and are oil sump tank And the second petroleum pipeline insulating layer blowing hot-air, heat the fuel oil in oil sump tank and the second petroleum pipeline；Electrothermal tube and exhaust fan work simultaneously Make, fuel oil and the fuel oil in oil sump tank and the second petroleum pipeline of the first petroleum pipeline heat simultaneously.

When showing that the fuel oil temperature of the fuel temperature sensor of oil sump tank is higher than 8 DEG C in ECU smart circuit control systems, control Making sheet control electrothermal tube is stopped, and exhaust fan works on, and ECU smart circuit control systems control 3-position-3-way electromagnetic switch Valve makes the second petroleum pipeline and fuel filter, petroleum pipeline unicom state in the third place, is Fuel Injection Mechanism of Diesel Engine, and diesel engine continues Work.

When showing that the fuel oil temperature of the fuel temperature sensor of oil sump tank is higher than 75 DEG C on control panel 24, solenoid valve is closed, Control panel 24 controls exhaust fan and is stopped, and is not pumped as fuel Heating in for the insulating layer of oil sump tank and the second petroleum pipeline Hot wind, control temperature increase, and control panel 24 controls door leaf and closes, by oil sump tank and the second petroleum pipeline insulating layer to oil sump tank and Second petroleum pipeline is kept the temperature, and slows down working oil temperature decline；The fuel oil temperature of the fuel temperature sensor of oil sump tank is shown on control panel 24 When degree is less than 65 DEG C, control panel 24 controls exhaust fan work, and control panel 24 controls door leaf and opens, and is conducive to the exhaust fan to transmit Hot air flow is all smooth, is the fuel Heating in oil sump tank and the second petroleum pipeline, and oil temperature increases.

The optimum igniting temperature of diesel oil is 65-75 DEG C, and diesel fuel temperature is increased to 65 DEG C, and fuel consumption can reduce 6-10%, temperature Low oil-saving effect is poor, and meeting unstable wear when temperature is more than 75 DEG C, oil-saving effect is deteriorated, or even increases the fuel consumption of fuel oil.

Control panel 24 controls the course of work of exhaust fan, uses the original of reversed hysteresis output characteristics Schmidt trigger Reason, setting upper limit threshold temperature is 75 DEG C, and lower limit threshold temperature is 65 DEG C, and return difference temperature is 75 DEG C-lower limit of upper limit threshold temperature 65 DEG C=10 DEG C of threshold temperature, return difference temperature is 10 DEG C, and exhaust fan is worked, the hot blast pumping of cooling diesel engine is extremely collected In fuel tank and the second petroleum pipeline insulating layer, heated fuel oil as exhaust fan working condition, the state of exhaust fan is divided into exhaust fan work Make state and exhaust fan off position.

Principle according to reversed hysteresis output characteristics Schmidt trigger：

(1) the exhaust fans course of work：The fuel oil temperature uphill process that sensor 27 is shown is the fuel oil temperature of sensor 27 When degree is less than 65 DEG C, exhaust fan 23 works, and the aperture of air throttle is maximum, and the fuel oil temperature of sensor 27 is from when being increased to for 65 DEG C 75 DEG C when, exhaust fan 23 works, and the aperture of air throttle is gradually reduced according to linear variability law, sensor 27 fuel oil temperature not When more than 65 DEG C, the aperture of air throttle is maximum, and when the fuel oil temperature of sensor 27 is higher than 75 DEG C, the aperture of air throttle is minimum, When the fuel oil temperature of sensor 27 is higher than 75 DEG C, exhaust fan does not work, and the aperture of air throttle is transformed into maximum.

(2) the exhaust fans not course of work：It is the fuel oil of sensor 27 that the fuel oil temperature that sensor 27 is shown, which declines process, When temperature is higher than 75 DEG C, exhaust fan does not work, and when the fuel oil temperature of sensor 27 is from 65 DEG C when dropping to for 75 DEG C, exhaust fan 23 is not Work；The fuel oil temperature of sensor 27 drops when 65 DEG C, and exhaust fan 23 works, and the aperture of air throttle is transformed into maximum.

(3) exhaust fans state keeps process：At 65 DEG C -75 DEG C, exhaust fan is kept the fuel oil temperature that sensor 27 is shown The display fuel oil temperature difference of original work or off position, the sensor 27 that exhaust fan state is kept is 10 DEG C.

The effect of door leaf is opened when being ventilation, is closed when stuffy and is played insulation effect, the state of door leaf is divided into door leaf 28 Working condition and door leaf off position.The state of solenoid valve is divided into solenoid valve and opens and electromagnetism valve closing state.The electricity Magnet valve opening is in running order with the door leaf, can carry out hot wind circulation, is that oil sump tank and the second petroleum pipeline heat；It is described Solenoid valve close and be in off position with the door leaf, oil sump tank and the second petroleum pipeline insulating layer are interior without gas stream It is logical, it is oil sump tank and the second petroleum pipeline insulation effect.

The above is the utility model specific embodiment and the technical principle used, if according to the structure of the utility model Want done change, the spirit that the function generated is still covered without departing from specification and attached drawing, in the utility model Within the protection domain of patent.

Claims (2)

1. a kind of range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device, including fuel tank, oil pump, three-way connection, Electrothermal tube, the first petroleum pipeline, the second petroleum pipeline, oil sump tank, solenoid valve, insulating layer, the first appendix, the second appendix, solar term Valve, 3-position-3-way solenoid directional control valve, fuel temperature sensor, diesel engine, exhaust fan, control panel, it is characterised in that：Fuel tank connects Oil pump, oil pump connect three-way connection oil inlet, and two oil outlets of three-way connection are separately connected the first petroleum pipeline and the second oil transportation Pipe；First petroleum pipeline and the second petroleum pipeline are separately connected two oil inlets of 3-position-3-way solenoid directional control valve, 3-position-3-way electromagnetism It is Fuel Injection Mechanism of Diesel Engine that the oil outlet of reversal valve connects injection pump by fuel filter；Control panel passes through electric wire and data signal line Connect electrothermal tube, solenoid valve, 3-position-3-way solenoid directional control valve, exhaust fan；Electrothermal tube receives diesel engine according to control panel and rises Dynamic signal receives temperature sensor signal progress intelligent work；Control panel intelligent control exhaust fan work handle is that diesel engine cools down And generate hot blast pumping to the first appendix, air throttle, the second appendix, and be delivered to oil sump tank and the second petroleum pipeline heat preservation It is the fuel Heating in oil sump tank and the second petroleum pipeline, and kept the temperature by insulating layer in layer；The air throttle passes through control panel foundation The opening size of fuel temperature sensor intelligent control air throttle opens or closes.

2. range extender of electric vehicle diesel engine oil pipeline Automatic-heating warm-keeping device according to claim 1, the control Making sheet is ECU smart circuit control systems, including：Signal acquisition input system, ECU micro treatment modules system and RAM/ROM are deposited Storage unit system, data output and power range system.