CN108301928A - Fuel heating system - Google Patents
Fuel heating system Download PDFInfo
- Publication number
- CN108301928A CN108301928A CN201810200658.5A CN201810200658A CN108301928A CN 108301928 A CN108301928 A CN 108301928A CN 201810200658 A CN201810200658 A CN 201810200658A CN 108301928 A CN108301928 A CN 108301928A
- Authority
- CN
- China
- Prior art keywords
- super capacitor
- switch
- super
- fuel
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/224—Heating fuel before feeding to the burner
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to aero-engine fuel oils to spray field, and in particular to a kind of fuel oil heater.A kind of fuel heating system, it include the oil temperature sensor for measuring fuel oil temperature, accessory system and super capacitor for extracting power from engine rotor braking process and the voltage sensor for measuring super-capacitor voltage, the accessory system, super capacitor are connected in parallel, and are equipped with first switch on connection circuit；Further include having heating device, heating device is connected in parallel with super capacitor, and is equipped with second switch on connection circuit；Further include the controller for being useful for control super capacitor charge and discharge, controller controls the folding of first switch and the second switch, realizes the control to super capacitor charge and discharge.The present invention can be converted into engine rotation kinetic energy the energy of super capacitor, and when ground starts and high-altitude is lighted a fire again to fuel Heating, the configuration of the present invention is simple is light-weight, be not necessarily to additional energy.
Description
Technical field
The present invention relates to aero-engine fuel oils to spray field, and in particular to a kind of fuel oil heater.
Background technology
Fuel oil is not easy to be atomized when the temperature is low, and evaporation causes to be not easy to start when ground and high-altitude are lighted a fire again.It is existing to start
Some uses of machine cold start-up technology only add a part of nozzle very high pressure, keep the speed oil that this portion nozzle sprays fast.Only
It lights this portion nozzle, then is ignited other nozzles by this portion nozzle.Some are preheated to fuel oil, are allowed to be easy mist
Change, evaporation.
The utility model of 201155390 Y of Publication No. CN proposes a kind of vehicle fuel heating device, and essence is one
Kind heat exchanger, program heating rod is to fuel Heating.But the program refers only to be used for automotive field, and the structure of the program is placed on
It is complex in aero-engine, extra flow resistance is will produce when not heating.And the source of energy is not said
It is bright.
The super capacitor auxiliary power on a kind of electric vehicle is proposed in the patent of invention of 1490193 A of Publication No. CN
System.Energy storage when brake of electric vehicle is in super capacitor, and in climbing and acceleration, super capacitor is to motor.
The patent pertains only to electric automobiles, and the patent formula only has control system, does not illustrate concrete structure.
A kind of oil bath type fuel oil heater, the invention are proposed in the patent of invention of 106568101 A of Publication No. CN
It is complicated using telescoping structure, and unnecessary flow resistance is had when not used.It is mainly used for testing, is not suitable for navigating
Empty engine.
As can be seen that existing fuel Heating scheme is not particularly suited for aero-engine, it is even more impossible to meet aero-engine
The requirement of fuel Heating can not ensure fuel engines in the action on ground and high-altitude ignition.
Invention content
It is a kind of simple in structure it is an object of the invention to avoid the deficiencies in the prior art from providing, it is light-weight, it is not necessarily to additional energy
The fuel heating system of amount.
To achieve the above object, the technical solution that the present invention takes is：A kind of fuel heating system, including be used to measure combustion
The oil temperature sensor of oil temperature, for from engine rotor braking process extract power accessory system and super capacitor and
Voltage sensor for measuring super-capacitor voltage, the accessory system, super capacitor are connected in parallel, and in connection circuit
It is equipped with first switch；Further include having heating device, heating device is connected in parallel with super capacitor, and is equipped on connection circuit
Second switch；Further include the controller for being useful for control super capacitor charge and discharge, controller controls first switch and the second switch
Folding, realize the control to super capacitor charge and discharge；The super capacitor and controller is electric with voltage sensor respectively
Connection, the heating device and controller are electrically connected with oil temperature sensor respectively；The controller according to oil temperature sensor,
The fuel oil temperature and super-capacitor voltage data of voltage sensor acquisition judge and control first switch closure, and second switch is disconnected
It opens, at this point, accessory system charges to super capacitor, ensures voltage when engine ignition；Or judge and control second switch to close
It closes, first switch disconnects, at this point, super capacitor discharges to heating device, ensures engine ignition oil temperature temperature.
The heating device includes the heating wire that winding is arranged on petroleum pipeline, is set on the petroleum pipeline at heating wire winding
Having prevents the insulated paint of heating wire short circuit, and heat-insulated covering is equipped on the heating wire, and heater housing is by the heating wire
It fixes and is wrapped in enclosure cavity with heat-insulated covering, rubber pad for fixing is equipped between heater housing and petroleum pipeline
Circle, the electric lead connected on heating wire pass through the wire guide being equipped on heater housing to be pierced by shell, and electric with super capacitor
Connection.
For the electric heater shell including two to filling shell, two are fixed dress shell by bolt presses.Electric heater
The forward and backward end of cavity of shell is equipped with and the matched cylindrical surface in rubber washer outer ring.Ensure that heating device is fixed on petroleum pipeline
It cannot be moved forward and backward.
The heat-insulated covering is asbestos gauge or aerogel blanket or super glass wool or foamed plastics, and also there are many shapes for material
Formula, what is listed is only preferred material.
The super capacitor is fixed on petroleum pipeline, and is arranged close to combustion chamber, and the resistance of conducting wire, super capacitor are reduced
Capacitance rated voltage 40-60V, energy storage 80-100kJ, weight 100-120g.
The beneficial effects of the invention are as follows：The present invention can be converted into engine rotor rotational kinetic energy the energy of super capacitor,
Further according to actual demand, when ground starts and high-altitude is lighted a fire again to fuel Heating.These processes are controlled by control system, this hair
It is bright simple in structure, it is light-weight, it is not necessarily to additional energy, does not increase fuel flow resistance.The present invention only combustion to engine ignition
Oil burner nozzle is heated, only the nozzle of heating 1/10.It is 80kg/s, the hair that oil-gas ratio is 0.03 to a design point air mass flow
For motivation, fuel flow 2.4kg/s, heated fuel oil flow is that the energy of 0.24kg/s. super capacitors releases one in 5s
Half, fuel oil temperature can be allowed to rise general 15 DEG C.
Description of the drawings
Fig. 1 is the principle schematic diagram of present system；
Fig. 2 is the structural schematic diagram of heating device of the present invention；
Fig. 3 is the schematic cross-sectional view of heating device of the present invention.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1：See that Fig. 1, a kind of fuel heating system of Fig. 2, Fig. 3 include being sensed for measuring the oil temperature of fuel oil temperature
Device 2, for from engine rotor braking process extract power accessory system 3 and super capacitor 4 and for measuring it is super
The voltage sensor 6 of capacitance voltage, the accessory system 3, super capacitor 4 are connected in parallel, and are equipped with the on connection circuit
One switch 1；Further include having heating device 7, heating device 7 is connected in parallel with super capacitor 4, and is equipped with second on connection circuit
Switch 5；Further include the controller 8 for being useful for control super capacitor charge and discharge, controller 8 controls first switch 1 and second switch
5 folding realizes the control to 4 charge and discharge of super capacitor；The super capacitor 4 and controller 8 respectively with voltage sensor
Device 6 is electrically connected, and the heating device 7 and controller 8 are electrically connected with oil temperature sensor 2 respectively；The controller 8 is according to oil
The fuel oil temperature and super-capacitor voltage data that temperature sensor 2, voltage sensor 6 acquire, judge and control first switch 1 to close
It closes, second switch 5 disconnects, at this point, accessory system 3 charges to super capacitor 4, ensures voltage when engine ignition；Or judge
And the closure of second switch 5 is controlled, first switch 1 disconnects, at this point, super capacitor 4 discharges to heating device 7, ensures engine point
Kerosene temperature temperature.
The heating device 7 includes the heating wire 72 that winding is arranged on petroleum pipeline 71, defeated at 72 winding of heating wire
Oil pipe 71, which is equipped with, prevents the insulated paint of the short circuit of heating wire 72, equipped with heat-insulated covering 73 on the heating wire 72, outside heater
The heating wire 72 and heat-insulated covering 73 are fixed and are wrapped in enclosure cavity by shell 74, heater housing 74 and petroleum pipeline 71
Between be equipped with rubber washer 75 for fixing, the electric lead connected on heating wire 72 passes through to be equipped on heater housing 74
Wire guide 76 is pierced by shell, and is electrically connected with super capacitor 4.The electric heater shell 74 include two to fill shell, two
Dress shell is fixed by bolt 77, the forward and backward end of cavity of electric heater shell 74 is equipped with and 75 outer ring of rubber washer
The cylindrical surface matched, ensureing that heating device is fixed on petroleum pipeline cannot be moved forward and backward.The heat-insulated covering 73 be asbestos gauge or
Aerogel blanket or super glass wool or foamed plastics.The super capacitor 4 is fixed on petroleum pipeline, and is set close to combustion chamber
It sets, reduces the resistance of conducting wire, capacitance the rated voltage 40-60V, energy storage 80-100kJ, weight 100-120g of super capacitor.
Controller is connected by a kind of fuel heating system with engine control system when in use, controller collection voltages
The signal of sensor and oil temperature sensor, when engine start work and oil temperature is less than -50 DEG C, by engine control system to control
Device signal processed is closed first switch 1 in several seconds before ignition, disconnects second switch 5, and super capacitor is powered to heating device, heating
Fuel oil is closed second switch 5 when engine work and super-capacitor voltage are less than 20V, disconnects first switch 1, attachment
System charges to super capacitor.In high-altitude flight, as long as oil temperature is less than -50 DEG C, it is closed first switch 1, second is disconnected and opens
5 are closed, super capacitor is powered to heating device, heated fuel oil, when super-capacitor voltage is less than 20V, is closed second switch 5, is disconnected
First switch 1, accessory system 3 charge to super capacitor 4.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of fuel heating system includes the oil temperature sensor for measuring fuel oil temperature, for being braked from engine rotor
The accessory system of extraction power and super capacitor and the voltage sensor for measuring super-capacitor voltage in the process, feature
It is, the accessory system, super capacitor are connected in parallel, and are equipped with first switch on connection circuit；Further include having heating
Device, heating device are connected in parallel with super capacitor, and are equipped with second switch on connection circuit；Further include being useful for control to surpass
Grade capacitance charge and discharge controller, controller control first switch and the second switch folding, realize super capacitor is filled,
The control of electric discharge；The super capacitor and controller is electrically connected with voltage sensor respectively, the heating device and control
Device is electrically connected with oil temperature sensor respectively；The fuel oil temperature that the controller is acquired according to oil temperature sensor, voltage sensor
With super-capacitor voltage data, first switch closure is judged and controlled, second switch disconnects, at this point, accessory system is to super electricity
Capacity charge ensures voltage when engine ignition；Or judging and control second switch closure, first switch disconnects, at this point, super
Capacitance discharges to heating device, ensures engine ignition oil temperature temperature.
2. fuel heating system as described in claim 1, which is characterized in that the heating device includes that winding is arranged defeated
Heating wire on oil pipe, the petroleum pipeline at heating wire winding is equipped with the insulated paint for preventing heating wire short circuit, in the heating wire
It is equipped with heat-insulated covering, the heating wire and heat-insulated covering are fixed and be wrapped in enclosure cavity by heater housing, are heated
Rubber washer for fixing is equipped between device shell and petroleum pipeline, the electric lead connected on heating wire passes through heater housing
The wire guide being equipped with is pierced by shell, and is electrically connected with super capacitor.
3. fuel heating system as claimed in claim 2, which is characterized in that the electric heater shell includes two to filling shell
Body, two are fixed dress shell by bolt presses.
4. fuel heating system as claimed in claim 2, which is characterized in that the heat-insulated covering is asbestos gauge or aeroge
Felt or super glass wool or foamed plastics.
5. the fuel heating system as described in Claims 1-4 is any, which is characterized in that the super capacitor is fixed on defeated
On oil pipe, and it is arranged close to combustion chamber, capacitance the rated voltage 40-60V, energy storage 80-100kJ, weight 100- of super capacitor
120g。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200658.5A CN108301928B (en) | 2018-03-12 | 2018-03-12 | Fuel heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200658.5A CN108301928B (en) | 2018-03-12 | 2018-03-12 | Fuel heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108301928A true CN108301928A (en) | 2018-07-20 |
| CN108301928B CN108301928B (en) | 2023-08-22 |
Family
ID=62849595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810200658.5A Active CN108301928B (en) | 2018-03-12 | 2018-03-12 | Fuel heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108301928B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239269A (en) * | 1997-02-21 | 1998-09-11 | Toyota Motor Corp | Heater control device for air/fuel ratio sensor for internal combustion engine |
| CN203257586U (en) * | 2013-03-28 | 2013-10-30 | 中国人民解放军军事交通学院 | Diesel engine low-pressure low-temperature starting auxiliary device |
| CN203308618U (en) * | 2013-06-13 | 2013-11-27 | 中国民航大学 | Rapid heating device for aviation piston engine fuel |
| CN203332006U (en) * | 2013-05-24 | 2013-12-11 | 山推工程机械股份有限公司 | Bulldozer starting auxiliary system based on super capacitor |
| CN208040542U (en) * | 2018-03-12 | 2018-11-02 | 西北工业大学 | Fuel heating system |
-
2018
- 2018-03-12 CN CN201810200658.5A patent/CN108301928B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239269A (en) * | 1997-02-21 | 1998-09-11 | Toyota Motor Corp | Heater control device for air/fuel ratio sensor for internal combustion engine |
| CN203257586U (en) * | 2013-03-28 | 2013-10-30 | 中国人民解放军军事交通学院 | Diesel engine low-pressure low-temperature starting auxiliary device |
| CN203332006U (en) * | 2013-05-24 | 2013-12-11 | 山推工程机械股份有限公司 | Bulldozer starting auxiliary system based on super capacitor |
| CN203308618U (en) * | 2013-06-13 | 2013-11-27 | 中国民航大学 | Rapid heating device for aviation piston engine fuel |
| CN208040542U (en) * | 2018-03-12 | 2018-11-02 | 西北工业大学 | Fuel heating system |
Non-Patent Citations (1)
| Title |
|---|
| 范刚;朱云江;: "基于超级电容的汽车冷起动辅助电源系统研究", 汽车电器, no. 12 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108301928B (en) | 2023-08-22 |
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