CN109973268A - A kind of rotary opening and closing formula electric-controlled fuel injector of controllable temperature heated fuel oil - Google Patents
A kind of rotary opening and closing formula electric-controlled fuel injector of controllable temperature heated fuel oil Download PDFInfo
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- CN109973268A CN109973268A CN201910372195.5A CN201910372195A CN109973268A CN 109973268 A CN109973268 A CN 109973268A CN 201910372195 A CN201910372195 A CN 201910372195A CN 109973268 A CN109973268 A CN 109973268A
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- Prior art keywords
- oil
- fuel
- fuel injector
- temperature
- control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The purpose of this patent, which is to provide, a kind of in internal heated fuel oil and can control the rotary opening and closing formula electric-controlled fuel injector of fuel oil temperature.The fuel injector is related to a rotating mechanism and an internal fuel heating system.Inside fuel injector, solenoid circuit in due course on-off under control of the ecu allows the rotating mechanism being made of armature, key and fuel injector core a certain angle of reciprocating rotary under the control of electromagnet.With rotating mechanism between position 1 and position 2 reciprocating rotary, each spray orifice below fuel injector core and oil injector body also can back and forth change between communicating state and staggeredly closed state, to realize the opening and closing of injection process.This control mode can make the control of injection process be detached from the influence of oil pressure, realize the controllable precise of course of injection.Internal fuel heating system is installed around fuel injector core oil pocket, including the temperature sensor in core oil pocket, the heater around oil pocket and the ECU being connected with the two.Fuel oil temperature in temperature sensor measurement oil pocket simultaneously passes data to ECU, ECU needs the temperature that heats according to the judgement of the information such as operating condition and command adapted thereto is passed to the heater around oil pocket to execute, and is improved and the accurate fuel oil temperature in control core oil pocket with this.Atomization and the mixed effect of fuel oil can not only be improved, while the operating temperature range of fuel injector can be expanded.
Description
Technical field
This patent is related to a kind of in internal heated fuel oil and to control the rotary opening and closing formula electric-controlled fuel injector of fuel oil temperature.
The control opened and closed to injection process is realized by way of rotating fuel injector internal rotating mechanism, can solve needle-valve
Formula fuel injector is since needle-valve inertia bring injection process is unstable, uncontrollable problem, to obtain more stable, more flexible
Jeting effect；Simultaneously by way of internal fuel heating system is installed inside fuel injector, the injection of fuel oil is improved and controlled
Temperature even realizes the atomization that can not only improve fuel oil across/overcritical injection or mixed effect, reaches the mesh for promoting burning
, while can also realize the normal combustion under low temperature, expand operating temperature range.
Background technique
The key for influencing the characteristics such as combustion in IC engine and discharge is being mutually matched in terms of oil, gas, room three.And improve
The burning of diesel engine and emission performance, other than optimization charge motion and charge, optimizing the geometry of combustion chamber, most
It is important that controlling fuel-injection pressure.Many electronic control injection technologies have been applied on diesel engines at present.With electricity
For controlling high-pressure common rail fuel injection technic (hereinafter referred to as high-pressure common rail technology), gradually replacing traditional mechanical fuel system
System is current newest electronic control injection technology, gradually occupies the leading position of diesel fuel injection system.Its internal high pressure
Oil pump delivers fuel into common rail pipe and constantly puts aside high pressure, and fuel oil is directly injected in cylinder by control fuel injector.High pressure
Common-rail technology is completely separable by course of injection and oil pressure generation process, makes charge oil pressure not and will receive the influence of engine speed,
To which the flexibility for realizing injection pressure in high pressure co-rail system is adjustable, different operating conditions can determine with required best jet pressure
Power, thus the comprehensive performance of Optimization of Diesel Engine.
However, current high pressure common rail injector does not adapt to the development of high-pressure common rail technology but, what is used is still
Original Injection Control mode: needle-valve is pushed open by high pressure fuel and opens course of injection, and acts on ShiShimonoseki in needle valve spring pretightning force
It closes spray orifice, terminate course of injection.There is an insoluble contradictions for this control mode: when needle-valve quality is big, inertia is big
When, the injection pressure that can choose is high, but the difficulty of needle-valve response control improves, control is difficult；And when needle-valve quality is small, used
Property hour, control needle valve movement becomes easy, but the pressure of oil spout reduces, and is unable to meet demand.This contradiction is total in high pressure
The high pressure fuel effect of rail technology is lower to be deteriorated, so that the injection process of current high pressure common rail injector is more and more unstable, no
Controllable: since the fuel pressure in common rail pipe is huge, and the needle-valve of fuel injector has certain inertia, so actual needle-valve is opened
It is uncontrollable for opening moment, oil injection duration, circulating fuel injection quantity and fuel injection characteristic all；The fuel injection characteristic and distributive value of each cylinder are uneven
Even property is very big, and each circulation is also different；Since there is serious pressure fluctuations, it is easy to produce secondary injection, cannot sprays
Abnormal phenomenon.
Since there is the above injection process, unstable, uncontrollable problem, the optimization of high-pressure common rail technology enter bottle
Neck, is badly in need of that a kind of control difficulty is smaller, can flexibly control and the sufficiently stable fuel injector that works.
As the series of new techniques of field of internal combustion engine is extensively studied and is applied, the mean effective pressure in IC engine cylinder
The indexs such as power, fuel-injection pressure are continuously improved, and have been over the critical pressure of fuel, cause the injection of fuel very possible
It is carried out under Trans-critical cycle even supercritical environment.When the fuel of Pressurized-heated under across/supercriticality when being sprayed, fuel
Can have the low viscosity of gas and two kinds of characteristics of high density of liquid simultaneously, be conducive to air-fuel mixture and burning.Therefore, to will
The liquid fuel temperature-pressure of injection is conducive to preferably match Gang Nei oil-gas room, to obtain preferably burning effect
Fruit.
Other than better combustion efficiency may be implemented, internal combustion engine can inherently be improved in low temperature ring to fuel heating
Working characteristics under border, so that the operating temperature range of internal combustion engine be made to become broader.
This patent proposes a kind of in internal heated fuel oil and to control the rotary opening and closing formula electric-controlled fuel injector of fuel oil temperature.
This fuel injector can both realize the accurate control to injection process by way of rotating inner part rotating mechanism, due to being not required to
Consider the huge inertia of needle-valve in needle type injector, it is possible to obtain more stable, more flexible jeting effect；Simultaneously
By way of directly heating fuel oil inside fuel injector and controlling fuel oil temperature, the injection temperation for improving fuel oil is even realized
Across/overcritical injection, it can not only improve the atomization of fuel oil or mixed effect, achieve the purpose that promote burning, while can be with
It realizes the normal injection under low temperature, expand operating temperature range.
It should be noted that this patent is applicable not only to high-pressure common rail technology.By improving, this patent is also applied for other
Electronic control injection technology, such as electrically-controlled pump nozzle, electronically controlled unit pump.
Summary of the invention
The purpose of this patent, which is to provide, a kind of in internal heated fuel oil and can control the rotary opening and closing formula electricity of fuel oil temperature
Fuel injector is controlled, keeps internal combustion oil of cylinder injection more flexible, more stable, while improving atomization or the mixed effect of fuel oil, reaches promotion combustion
The purpose of burning expands operating temperature range.
In order to realize the purpose of this patent, by taking high-pressure common rail technology as an example, original high pressure common rail injector is carried out
Some improvement and innovation, comprising:, can be in electricity by the rotating mechanism that armature, key and fuel injector core form inside fuel injector
The a certain angle of reciprocating rotary under the control of magnet.As rotating mechanism is rotated in place 2 by position 1, below fuel injector core with
Each spray orifice that cooperation communicates below oil injector body can be rotated to staggeredly closed state by communicating state, to realize spray orifice
Close the closing with injection process；Position 1 is rotated back to by position 2, is staggeredly closed below fuel injector core with oil injector body lower section
Each spray orifice communicating state can be rotated to by the closed state that interlocks, the unlatching of spray orifice and the unlatching of injection process may be implemented.
This control mode avoids that the course of injection that needle type injector is generated due to needle-valve inertia is unstable, uncontrollable problem,
Realize the accurate, flexible, stable of course of injection.Installation internal fuel adds around the oil pocket of fuel injector core inside the fuel injector
Hot systems carry out heating to the fuel oil that will be sprayed in oil pocket and temperature control.This internal fuel heating system includes temperature
Sensor, heater and the ECU for controlling their work.Around mounting temperature sensor in oil pocket, temperature sensor and oil pocket
Heater is all connected with ECU and receives ECU control.Fuel oil temperature in temperature sensor measurement oil pocket simultaneously passes data to
ECU, ECU need the temperature heated according to the judgement of the information such as operating condition and distributive value and command adapted thereto are passed to adding around oil pocket
Hot device executes, and carrys out the intracavitary fuel oil temperature of Precise Control of Oil with this.Installing this internal fuel heating system can be more convenient, more
Heating accurately is carried out to the fuel oil that will be sprayed in oil pocket and temperature controls, wherein heater can make fuel oil spray
Temperature is improved before, or even reaches fuel oil across/supercriticality；Mounting temperature sensor can monitor at any time inside oil pocket
The temperature of fuel oil in oil pocket avoids too high or too low for temperature to need to adjust the temperature of fuel oil according to operating condition；It is controlled using ECU
The work of heater and temperature sensor processed.
Below with reference to attached drawing and specific implementation technology, this patent is described in detail.
Detailed description of the invention
Fig. 1 is electric-controlled fuel injector of embodiment of the present invention structural schematic diagram
Fig. 2 is the structural schematic diagram of oil injector body in the embodiment of the present invention
Fig. 3 is the structural schematic diagram of fuel injector core in the embodiment of the present invention
Fig. 4 is the structural schematic diagram of fuel injector intermediate in the embodiment of the present invention
Fig. 5 is the structural schematic diagram of armature in the embodiment of the present invention
Fig. 6 is the structural schematic diagram of electromagnet and shell in the embodiment of the present invention
Fig. 7 is the schematic diagram of armature and electromagnet and shell matching relationship in the embodiment of the present invention
Fig. 8 is the operation schematic diagram of control system in the embodiment of the present invention
In figure:
1-2-electromagnet of socket and shell 3-armature, 4-fuel injector, 5-key of intermediate
6-spring 7-fuel injector core 8-rubber pad, 9-oil injector body, 10-temperature sensors
11-heater, 21,22,23,24-electromagnet
Master control 31-armature contact of drawing lines on 25-electromagnet and shell
Master control drawing lines 41-fuel injector intermediate inner surface in 32-armature
The heater drawing lines in master control drawing lines 72-fuel injector core in 71-fuel injector cores
Temperature sensor drawing lines 74-fuel injector core fuel feed hole in 73-fuel injector cores
75-fuel injector core oil pocket 76-fuel injector core nozzle opening 77-fuel injector core keyways
91-oil injector body oil input channel 92-oil injector body nozzle opening 93-oil injector body back oil roads
94-oil injector body oil-recovery tanks
Specific implementation technology
This patent is described further with reference to the accompanying drawing:
As shown in Figure 1, present embodiment is related to a kind of in internal heated fuel oil and to control the rotary opening and closing formula of fuel oil temperature
Electric-controlled fuel injector, the structure of the fuel injector is by socket 1, electromagnet and shell 2, armature 3, fuel injector intermediate 4, key 5, spring
6, fuel injector core 7, rubber pad 8, oil injector body 9, temperature sensor 10, heater 11 form.Socket 1 be placed on electromagnet and
On the top surface of shell 2, fixation, armature 3 and fuel injector core 7 is bolted in electromagnet and shell 2 and fuel injector intermediate 4
It is connected and fixed by key 5, fuel injector intermediate 4 is tightened with oil injector body 9 by screw thread, and fuel injector core 7 passes through spring 6
It is pressed on rubber pad 8 and oil injector body 9, temperature sensor 10 is mounted on the top of fuel injector core oil pocket 75, heater 11
It is mounted in the groove around fuel injector core oil pocket 75.
As shown in Figures 2 and 3, for the application by the present invention in high-pressure common rail technology, in specific implementation of the invention
In example, the high pressure fuel in common rail pipe is sprayed into cylinder, need by following path: high pressure fuel flows through oil injector body oil inlet
Road 91 flows into fuel injector core oil pocket 75 from fuel injector core fuel feed hole 74.The lower part of fuel injector core 7 and oil injector body 9
There are a circle nozzle opening (76 and 92), since fuel injector core 7 is pressed in oil injector body 9 by spring 6, so only when two
When nozzle opening being divided to communicate, fuel oil could be sprayed from the nozzle opening of fuel injector core and oil injector body.Otherwise in staggeredly closing
State is unable to oil spout.After injection process starts a period of time, under the high pressure effect of fuel oil, fuel injector core 7 and fuel injector
Fuel oil can be full of in gap between body 9, these fuel oils are concentrated in oil injector body oil-recovery tank 94, and are returned along oil injector body
Oil duct 93 flows back to fuel tank, realizes the reflux of fuel oil, fuel oil is avoided to spill into environment along gap.
As shown in Figure 5 and Figure 6, in a specific embodiment of the present invention, it is provided with a keyway on the cylinder of 3 lower section of armature, used
To fix with the cooperation of keyway 77 on key 5 and the top of fuel injector core 7, forms a rotating mechanism.On the thin plate above armature 3
Front and back two sides is dispersed with 8 pieces of armature contacts 31 altogether, per vertical two be one group, totally four groups, be used to in electromagnet and shell 2
The electromagnet in portion matches.There are 4 groups of electromagnet 21,22,23,24 inside electromagnet and shell 2, totally 8 magnetic poles.Due to will be to rotation
It is controlled, so wherein two groups of electromagnet 21,24 have been made into inclined surface, is convenient for and the touching on armature corresponding position in this way
Point cooperation, preferably controls the rotary motion of rotating mechanism.
As shown in Figure 3 and Figure 5, a temperature sensor 10 is installed on 75 top of fuel injector core oil pocket, temperature sensor
Control line enters in the master control drawing lines 71 in fuel injector core by the temperature sensor drawing lines 73 on fuel injector core.
Meanwhile having a circle groove outside fuel injector core oil pocket 75, for installing heater 11, the control line of heater passes through fuel injector
Heater drawing lines 72 on core enters in the master control drawing lines 71 in fuel injector core, and herein with temperature sensor
Control line form it is a branch of, master control drawing lines 71 in core, enter in fuel injector core keyway 77 it is total in armature
Control drawing lines 32.For the ease of installation, while enough length is reserved to control line, the master control drawing lines 32 in armature designs
At curved, the control line of temperature sensor 10 and heater 11 is guided to enter vacant between electromagnet and shell 2 and armature 3
In space, form herein with the control line of electromagnet a branch of, by the master control drawing lines 25 on electromagnet and shell, is connected to
On socket 1.Control line all in fuel injector is connected on a socket, convenient in a manner of most labor-saving with ECU phase
Connect and receives ECU control.
As shown in figure 4, in a specific embodiment of the present invention, fuel injector intermediate 4 is screwed by screw thread with oil injector body 9
Afterwards, 6 one end of spring is contacted with the upper surface of rotary table prominent on fuel injector core 7, and one end connects with fuel injector intermediate inner surface 41
Touching.Spring 6 be used to compress fuel injector core 7, avoid fuel injector core 7 under the action of fuel oil high pressure in oil injector body 9 on
Lower movement, influences leak tightness of fuel oil.Meanwhile it being installed between the lower surface and oil injector body 9 of prominent rotary table on fuel injector core 7
One rubber pad 8, is advantageously implemented fuel sealing, fuel oil is avoided to spill into environment by gap.Adjust rotating mechanism and
Behind the position of electromagnet and shell 2, electromagnet and shell 2 are fixed with fuel injector intermediate 4 with bolt.
The above is the preferred embodiment that the present invention applies in high-pressure common rail technology, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the principles of the present invention, can also make several improvements and
Retouching, these modifications and embellishments should also be considered as the scope of protection of the present invention.The present invention is technical in other electronic control injections simultaneously
Using also should be regarded as protection scope of the present invention.
The assembling process of this implementation technology is as follows:
Rubber pad 8 is inserted in below fuel injector core 7 and is against on the lower surface of the prominent rotary table of fuel injector core, then will be added
Hot device 11 is installed in the groove around fuel injector core oil pocket 75, while temperature sensor 10 is encased in fuel injector core oil
Top of chamber.By the control line of heater 11 and temperature sensor 10 by heater in core and temperature sensor drawing lines 72,
73 and master control drawing lines 71 be sent into core keyway 77 after, by the related rubber pad 8 of fuel injector core 7, temperature sensor 10 and add
Hot device 11 is fitted into together in oil injector body 9.Fuel injector core 7 be packed into oil injector body 9 after, by spring 6 be packed into fuel injector core 7 with
In gap between oil injector body 9, contact one end and the upper surface of the prominent rotary table of fuel injector core 7, the other end is against spray
On oily device intermediate inner surface.After fuel injector intermediate 4 is tightened by screw thread and oil injector body 9, spring 6 can compress oil spout
Device core 7, while fuel injector core 7 can be fixed by keyway 77 and key 5 and armature 3 cooperation of upper part.It at this time will heating
The control line of device and temperature sensor forms a branch of, to be sent in armature master control drawing lines 32, and is sent into armature and electromagnetism
In spare space between iron and shell.The control line of the control line and electromagnet of heater and temperature sensor is formed a branch of
Afterwards, it is connected by the master control drawing lines 25 on electromagnet and shell with socket 1.Again by electromagnet and shell 2 according to its inside
It adjusts and armature 3 spray orifice position below electromagnet arrangement, the position of its screw hole and fuel injector core and oil injector body
It is with bolt that electromagnet and shell 2 and fuel injector intermediate 4 is fixed after cooperating orientation.It is related to automatically controlled spray to complete this patent
The overall assembling of oily device.
The working principle of this patent is as described below:
As shown in figure 8, ECU controls the work of electromagnet in specific implementation of the patent example.It is sprayed to realize in this patent
The function of oily device rotary opening and closing, needs the on-off of ECU control solenoid circuit, to make the electromagnet needed at the corresponding moment
Energization, band are magnetic, and make unwanted electromagnet power-off, lose magnetism, the rotation of rotating mechanism in fuel injector is controlled with this
Movement, to control injection process.
As shown in fig. 7, in specific implementation of the patent example, the cooperation of electromagnet and armature 3 in electromagnet and shell 2
Form two kinds of specific positions.Under control of the ecu, when the electromagnet 21,24 in electromagnet and shell 2 powers off, 22,23 are powered
When, the magnetic force of generation can attract the contact of corresponding position on armature 3 to contact with electromagnet 22,23, be at this time position 1, at this time
The nozzle opening of 7 lower part of fuel injector core and the nozzle opening of 9 lower part of oil injector body are in face communicating state, from oil injector body oil inlet
The high pressure fuel that road 91, fuel injector core fuel feed hole 74 enter fuel injector core oil pocket 75 can be with normal injection；When electromagnet and
Electromagnet 22,23 in shell 2 powers off, and when electromagnet 21,24 is powered, the magnetic force of generation attracts the touching of corresponding position on armature 3
Point is contacted with electromagnet 21,24, is at this time position 2, although oil injector body oil input channel 91 and fuel injector core fuel feed hole 74 at this time
Still some area communicated, but the nozzle opening of 7 lower part of fuel injector core and the spray orifice of 9 lower part of oil injector body are in staggeredly
Closed state, the high pressure fuel in oil pocket cannot spray into cylinder.Injection process is controlled by the way of this rotation, can be made
The control of injection process is detached from the influence of oil pressure, and only related with the control of electromagnet, avoids the occurrence of and causes because of needle-valve inertia
The oil spout open and close moment is uncontrollable, the control in the injection process such as oil injection duration is uncontrollable, fuel injection characteristic is uncontrollable is asked
Topic also avoids uneven, the unstable problem of other injections, can obtain more precise and stable, flexible jeting effect.
As shown in figure 8, being collectively constituted in specific implementation of the patent example by temperature sensor 10, heater 11 and ECU
Internal fuel heating system be responsible for heat fuel injector core oil pocket 75 in fuel oil and control its temperature.Temperature sensor 10 is surveyed
It measures the fuel oil temperature in fuel injector core oil pocket 75 and passes data to ECU, ECU judges according to information such as operating condition and distributive values
Command adapted thereto is simultaneously passed to the heater 11 around fuel injector core oil pocket and executed by the temperature that needs to heat, is accurately controlled with this
Fuel oil temperature in fuel injector core oil pocket 75 processed.Installation internal fuel heating system can make fuel oil improve before ejecting
And its temperature is controlled, or even reach fuel oil across/supercriticality, fuel oil not only can be improved by improving temperature
Atomization and mixed effect, and promote the matched well of oil-gas room, while the operating temperature range of fuel injector can also be expanded, make to spray
Oily device can also be worked normally in low temperature.
Claims (2)
1. a kind of control mode using rotary course control oil spout opening and closing, for realizing more flexible stable course of injection；Its
Be characterized in that: inside fuel injector, the rotating mechanism being made of armature, key and fuel injector core can be under the control of electromagnet
The a certain angle of reciprocating rotary；As rotating mechanism is rotated in place 2 by position 1, below fuel injector core and below oil injector body
Cooperate each spray orifice communicated that can rotate to staggeredly closed state by communicating state, to realize the closing and oil spout of spray orifice
The closing of journey；Position 1, each spray orifice meeting staggeredly closed below fuel injector core with oil injector body lower section are rotated back to by position 2
By interlocking, closed state rotates to communicating state, and the unlatching of spray orifice and the unlatching of injection process may be implemented；This control mode
It avoids that the course of injection that needle type injector is generated due to needle-valve inertia is unstable, uncontrollable problem, realizes and sprayed
Journey it is accurate, flexible, stable.
2. a kind of carry out heating and temperature controlled method to the fuel oil that will be sprayed inside fuel injector；It is characterized by: this
One method needs an internal fuel heating system, this system includes temperature sensor, heater and the ECU for controlling their work；
Mounting temperature sensor in oil pocket, temperature sensor are all connected with ECU with the heater around oil pocket and receive ECU control；Temperature
Degree sensor measurement oil pocket in fuel oil temperature and pass data to ECU, ECU judges need according to information such as operating condition and distributive values
Command adapted thereto is simultaneously passed to the execution of the heater around oil pocket by the temperature to be heated, and carrys out the intracavitary fuel oil of Precise Control of Oil with this
Temperature；Installing this internal fuel heating system can be more convenient, more accurately add to the fuel oil that will be sprayed in oil pocket
Heat and temperature control, wherein heater can make fuel oil improve temperature before ejecting, or even make fuel oil reach across/super face
Boundary's state；Mounting temperature sensor can monitor the temperature of fuel oil in oil pocket at any time inside oil pocket, so as to according to operating condition needs
The temperature for adjusting fuel oil, avoids too high or too low for temperature；Using the work of ECU control heater and temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372195.5A CN109973268A (en) | 2019-05-06 | 2019-05-06 | A kind of rotary opening and closing formula electric-controlled fuel injector of controllable temperature heated fuel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372195.5A CN109973268A (en) | 2019-05-06 | 2019-05-06 | A kind of rotary opening and closing formula electric-controlled fuel injector of controllable temperature heated fuel oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973268A true CN109973268A (en) | 2019-07-05 |
Family
ID=67073049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910372195.5A Pending CN109973268A (en) | 2019-05-06 | 2019-05-06 | A kind of rotary opening and closing formula electric-controlled fuel injector of controllable temperature heated fuel oil |
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| CN (1) | CN109973268A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305535Y (en) * | 1997-03-27 | 1999-01-27 | 胡忠高 | Micro-power consumption rotary electromagnetic valve |
| CN2428645Y (en) * | 2000-01-08 | 2001-05-02 | 胡彬 | Rotary conical core pulse electromagnetic valve |
| JP2001263201A (en) * | 2000-03-15 | 2001-09-26 | Bosch Automotive Systems Corp | Variable nozzle port type fuel injection nozzle for common rail |
| CN106368870A (en) * | 2016-08-31 | 2017-02-01 | 上海交通大学 | Temperature control system of in-cylinder direct injection gasoline injector |
| CN109595110A (en) * | 2018-12-28 | 2019-04-09 | 南通理工学院 | Rotary oil sprayer |
-
2019
- 2019-05-06 CN CN201910372195.5A patent/CN109973268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305535Y (en) * | 1997-03-27 | 1999-01-27 | 胡忠高 | Micro-power consumption rotary electromagnetic valve |
| CN2428645Y (en) * | 2000-01-08 | 2001-05-02 | 胡彬 | Rotary conical core pulse electromagnetic valve |
| JP2001263201A (en) * | 2000-03-15 | 2001-09-26 | Bosch Automotive Systems Corp | Variable nozzle port type fuel injection nozzle for common rail |
| CN106368870A (en) * | 2016-08-31 | 2017-02-01 | 上海交通大学 | Temperature control system of in-cylinder direct injection gasoline injector |
| CN109595110A (en) * | 2018-12-28 | 2019-04-09 | 南通理工学院 | Rotary oil sprayer |
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Application publication date: 20190705 |