CN206191578U - Fuel injection device - Google Patents
Fuel injection device Download PDFInfo
- Publication number
- CN206191578U CN206191578U CN201621238765.XU CN201621238765U CN206191578U CN 206191578 U CN206191578 U CN 206191578U CN 201621238765 U CN201621238765 U CN 201621238765U CN 206191578 U CN206191578 U CN 206191578U
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- CN
- China
- Prior art keywords
- injection device
- generating tube
- fuel
- fuel injection
- nozzle
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a fuel injection device, include transfer line, vaporizing tube preheating unit, burning mechanism, fan with fuel source intercommunication, vaporizing tube preheating unit is including oil transportation valve, a dish, some firearm, oil transportation valve intercommunication drips the dish and fixes the end at above -mentioned transfer line on the transfer line, and the some duration and degree of heating of some firearm corresponds the position at dripping the dish top, burning mechanism is including vaporizing tube, nozzle, spray tube, the vaporizing tube is fixed in rear and drop dish top corresponding position of spray tube along the direction of supplying air. The utility model discloses can solve and how utilize self fuel to preheat the vaporizing tube and carry out the pressure boost through the spray tube to gaseous fuel and improve the technical problem that injection apparatus sprays the effect.
Description
Technical field
The utility model is related to a kind of fuel injection device for belonging to the fields of F02M 21/00, and it utilizes the fuel pair of itself
Generating tube is preheated and is strengthened combustion efficiency by jet pipe, so that vaporization of liquid fuel in generating tube and being sprayed by nozzle
Go out and again by the ignited fuel of itself so as to the lasting vaporization of liquid fuel made in generating tube.
Background technology
There is a liquid to enter for the general curl of generating tube and inner hollow in fuel injection device, generating tube one end
Liquid mouthful, the other end has a gas outlet, and liquid fuel such as liquid alcohol is flowed into from liquid inlet, received in generating tube
Hot vapour sprays from gas outlet, and the mode of heating to generating tube typically uses electric heater for heating at present, in fuel injection
In the device course of work, electric heater additional configuration and must be constantly in working condition, so more waste the energy.
Chinese Patent Application No. 932128246 discloses a kind of liquefied synthetic gas stove, and generating tube therein is fixed on spray
Mouth left side front, wherein combustion gas are not directly fierce so as to cause firepower not by pressure process from nozzle ejection.
Utility model content
The purpose of this utility model is to provide a kind of fuel injection device, and how solution is entered using itself fuel to generating tube
Row preheating and by jet pipe to gaseous full combustion of fuel so as to improve the technical problem of injection apparatus jeting effect.
Fuel injection device, including woven hose, generating tube preheating mechanism, combustion mechanism, the blower fan connected with fuels sources；Vapour
Change pipe preheating mechanism, including fuel delivery valve, drip tray, igniter；Fuel delivery valve is connected on woven hose, and drip tray is fixed on above-mentioned woven hose
End, igniter head of igniter is in drip tray top correspondence position；Combustion mechanism, including generating tube, nozzle, jet pipe；Vaporization
Pipe is fixed on jet pipe along the rear of air supply direction and drip tray top correspondence position, and the generating tube includes that liquid-inlet and gas go out
Mouthful, liquid-inlet is connected by fuel delivery valve and woven hose with fuels sources, and gas vent is connected with nozzle, and nozzle sprays towards jet pipe
There is air inlet, jet pipe in front of air supply direction along being provided with blower fan on pipe；The jet pipe includes nozzle body, fire-spraying plate, spray
Pipe main body includes contraction section, narrow aditus laryngis, expansion segment, and contraction section is tapered into along the bore of air supply direction and is transitioned into narrow aditus laryngis, expands
Section is opened gradually to increase since narrow aditus laryngis along the bore of air supply direction；Fire-spraying plate is fixed on end of the expansion segment along air supply direction.
The nozzle is in inside contraction section inside or narrow aditus laryngis inside or expansion segment.
The drip tray is square or bowl-type, and it is internal with liquid fuel storage tank.
The horizontal area of the drip tray is 1/5-2 times of size of the horizontal area of generating tube.
The generating tube is the U-tube of helical form generating tube or the snakelike connection of multistage.
The jet pipe also includes air intake plate, has air inlet and nozzle fixing hole on air intake plate, and nozzle is fixed on above-mentioned spray
On mouth fixing hole；Air intake plate is fixed on front end of the contraction section along air supply direction.
There is fire jetting hole, above-mentioned fire jetting hole flue, the fire-spraying plate bottom has on the fire-spraying plate of the nozzle body
Discharge port.
The fuel injection device also includes temperature sensor, controller；Temperature sensor is in drip tray top and spray
The rear of pipe edge air-supply wind direction；Controller is connected with fuel delivery valve, igniter, air blower, temperature sensor control respectively.
Reinforcement is fixed with the helical form generating tube.
The fuel delivery valve is one, and it is two that the fuel delivery valve has the oil-out or fuel delivery valve of composition logic NOT relation,
One of fuel delivery valve is connected to drip tray by petroleum pipeline, and another fuel delivery valve connects the liquid-inlet of generating tube by petroleum pipeline.
The beneficial effects of the utility model are：By setting woven hose, fuel delivery valve, drip tray, igniter, system is so used
The fuel of itself is preheated to generating tube, so without using heating tube, so as to reduce the overall configuration of system, makes its structure
Simple operations are convenient, and utilization ratio is high.By increased a jet pipe between nozzle and generating tube, jet pipe front end is used to fix
Firmly nozzle and setting air inlet make outside air enter into nozzle body；Jet pipe middle part is nozzle body partially due to pipe
Footpath tapers into and then becomes larger, and the jet pipe is first pressurized and then diffusion to air, is so made using the principle of Laval nozzle
The firepower that must be sprayed is fierce, and jet pipe fixes its burning tunnel also lighted to the fuel gas that nozzle sprays simultaneously after not disorderly；
So cause that the firepower for spraying is fierce using the principle of Laval nozzle；Generating tube is arranged on front of the jet pipe along air supply direction
And other positions, vaporization of liquid fuel is fully so improved into the utilization rate of fuel.
Brief description of the drawings
Fig. 1 is the schematic diagram of generating tube preheating mechanism；
Fig. 2 is the schematic diagram of combustion mechanism；
Fig. 3 is the schematic diagram of the jet pipe in Fig. 2 combustion mechanisms；
Fig. 4 is the front view of the air intake plate in Fig. 2 combustion mechanisms；
Fig. 5 is the front view of the fire-spraying plate in Fig. 2 combustion mechanisms；
Fig. 6 is the fire-spraying plate schematic internal view in Fig. 5；
Fig. 7 is internal part connection and the arrangement schematic diagram of fuel injection device；
Fig. 8 is the external component and the schematic diagram that is connected with internal part of fuel injection device；
Fig. 9 is the schematic diagram of hanging plate；
Figure 10 is the front view that another kind enters fiery plate；
Figure 11 is the schematic diagram of the combustion mechanism of another fuel injection device；
1. woven hoses, 2. the first fuel delivery valve, 21. inlets, 3. 22. liquid outlets, drip tray, 31. storages in figure
Groove, 4. igniter, 5. 41. igniter head, fuel tank, 6. the second fuel delivery valve, 7. jet pipe, 71. air intake plates, 711. air intakes
Mouth, 712. nozzle fixing holes, 72. nozzle bodies, 721. contraction sections, 722. narrow aditus laryngis, 723. expansion segments, 73. flames
Plate, 731. fire jetting holes, 8. 732. discharge ports, generating tube, 81. gas vents, 82. liquid-inlets, 83. reinforcements, 9.
Nozzle, 10. air blower, 11. temperature sensors, 12. controllers, 13. shell bodies, 14. flanges, 15. hanging plates, 151. sprays
Pipe fixing hole.
Specific embodiment
Fig. 1 to Figure 11 is refer to, the fuel injection device in figure, including woven hose 1, generating tube preheating mechanism, combustor
Structure, blower fan 10, temperature sensor 11, controller 12.
Liquid fuel is imported into drip tray by woven hose 1 from fuel tank 5 in the presence of an oil pump by the first fuel delivery valve 2
In 3.Liquid fuel is liquid alcohols or lighter hydrocarbons class A fuel A, specifically from which kind of fuel as needed depending on, preferred liquid alcohol
Class A fuel A such as industrial alcohol.
Generating tube preheating mechanism, including an igniter 4 of drip tray 3, of fuel delivery valve 2,.Fuel delivery valve 2 not only has
Switching function, the function can also with control input flow, it is also referred to as flowmeter or other titles.The fuel delivery valve 2 has
There are an inlet 21 and a liquid outlet 22, inlet 21 and liquid outlet 22 are respectively connected with liquid fuel woven hose 1, and go out liquid
The terminal position of the liquid fuel woven hoses 1 of the connection of mouth 22 is provided with drip tray 3, can thus hand over and liquid fuel is led from fuel tank
Enter in drip tray 3.Drip tray 3 is in the lower section of generating tube 8, and the drip tray 3 can be square or disc or bowl-type；Drip tray 3
Igniter head 41 that inside has liquid fuel storage tank 31, such as pulse igniter of igniter 4 is located at the top of drip tray 3, so works as a little
Duration and degree of heating 41 just can light liquid fuel when lighting a fire.The horizontal area of drip tray 3 is 1/5-2 times of size of the horizontal area of generating tube,
In order to efficiently utilize fuel, the horizontal area of drip tray 3 is 1/3 size of the horizontal area of generating tube.
Combustion mechanism, including jet pipe 7, generating tube 8, the nozzle 9 of cone.Jet pipe 7 includes air intake plate 71, nozzle body
72nd, fire-spraying plate 73.
There is air inlet 711 and nozzle fixing hole 712 on air intake plate 71；So by air inlet 711, air blower 10 is discharged
Wind can just enter into nozzle body 72 and be pressurized, nozzle 9 can just be fixed by nozzle fixing hole 712.Wherein air intake
Mouth 711 can select 2-6, preferably 2 convenient processing.Nozzle fixing hole 712 can select 1-3, preferably 1 convenient processing.
Nozzle body 72 includes contraction section 721, narrow aditus laryngis 722, expansion segment 723；Contraction section 721 along air supply direction bore
Taper into and be transitioned into narrow aditus laryngis 722, expansion segment 723 gradually increases along the bore of air supply direction since narrow aditus laryngis 722；Air intake
Plate 71 is fixed on front end of the contraction section 721 along air supply direction, and fire-spraying plate 73 is fixed on end of the expansion segment 723 along air supply direction；
Can will just go out wind pressure by such design to increase so that the flame for spraying is fierce.Generating tube 8 is fixed on jet pipe 7 along air-supply
The rear in direction, has gas vent 81 on generating tube 8, the gas vent 81 is connected with nozzle 9, and such generating tube 8 is using spray
The flame that pipe 9 sprays carries out heating to the liquid fuel in it vaporizes it.There is fire jetting hole 731, above-mentioned spray on fire-spraying plate 73
The flue of fire hole 731, so may also function as the effect of supercharging.When in use, equipment fault is such as encountered, when liquid fuel does not fill
When dividing vaporization, a discharge port 732 is installed in the bottom of fire-spraying plate 73 that can be on nozzle body 72, so derives liquid fuel.
Nozzle body 72 also can select other patterns, such as Chinese Patent Application No. 200680050483.X, proprietary term in actual applications
Jet pipe referred to as described in fuel nozzle；Or Chinese Patent Application No. 201510247096.6 is selected, patent name is drainage
Supersonic diffuser+ structure described in device jet pipe.
Generating tube 8 is the U-tube of helical form generating tube or the snakelike connection of multistage, and wherein helical form generating tube 8 is helical form
Annular generating tube or helical form ellipse generating tube or helical form square generating tube or helical form rectangle generating tube or
Person's helical form rhombus generating tube or helical form regular polygon generating tube or helical form irregular polygon generating tube.Helical form
Generating tube 2 is provided with least two circle generating tubes；The diameter or the length of side of the often circle helical form generating tube are identical；It is described often to enclose helical form
Spacing between generating tube is identical；The diameter of the generating tube is identical.Such as Chinese Patent Application No. 201220269328.X, patent
Shown in Fig. 6 to Figure 11 in a kind of entitled biological alcohol oil combustion device.In order to increase the intensity of helical form generating tube, can be in spiral shell
Increase a reinforcement 83 on rotation shape generating tube.
In order to the flame temperature that the ignition temperature to drip tray in heating process 3, jet pipe 7 spray is detected, in drip tray 3
The jet pipe 7 of top is provided with a temperature sensor 11 along the rear of air supply direction, and the probe of the temperature sensor 11 can not be with
Miscellaneous part contact avoids influenceing actual test temperature.In order to oil pump, the first fuel delivery valve 2, igniter 4, the second fuel delivery valve 6,
Air blower 10, temperature sensor 11 are controlled, and a controller 12 is increased herein.In order to protect all parts, can will be upper
State part and be fixed on a shell body 13 either internally or externally；In order to whole burner is fixed on holding furnace, can be
One flange 14 is installed, generating tube preheating mechanism, combustion mechanism pass through the flange 14 on shell body 13.In order to fix jet pipe 7 and
Woven hose 1, can install a hanging plate 15 in shell body 13, have jet pipe fixing hole 151 on the hanging plate 15, so as to prevent its pine
It is dynamic.
Fig. 9 and Figure 10 is refer to, its air inlet 711 of the air intake plate 71 of display is larger in figure, is so conducive to air intake, nozzle
9 lateral mid-points in narrow aditus laryngis 722 in nozzle body 72, its flame rod effect can be significantly improved by such setting.
Above-described embodiment employs two fuel delivery valves, in actual applications, also can only select one, on the fuel delivery valve have two or
More than two oil-outs, these fuel delivery valves constitute logic NOT relation, i.e., when working for one, another does not work then.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, above in conjunction with the utility model
Accompanying drawing in embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The component of the utility model embodiment for showing can be arranged and designed with a variety of configurations.
Therefore, the detailed description of of the present utility model embodiment of the above to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
Claims (10)
1. fuel injection device, including the woven hose connected with fuels sources, it is characterised in that：Also include generating tube preheating mechanism,
Combustion mechanism, blower fan；Generating tube preheating mechanism, including fuel delivery valve, drip tray, igniter；Fuel delivery valve is connected on woven hose, drip tray
The end of above-mentioned woven hose is fixed on, igniter head of igniter is in drip tray top correspondence position；Combustion mechanism, including vaporization
Pipe, nozzle, jet pipe；Generating tube is fixed on jet pipe along the rear of air supply direction and drip tray top correspondence position, and the generating tube includes
Liquid-inlet and gas vent, liquid-inlet are connected by fuel delivery valve and woven hose with fuels sources, and gas vent is connected with nozzle,
Nozzle has air inlet towards jet pipe on jet pipe, jet pipe in front of air supply direction along being provided with blower fan；The jet pipe includes jet pipe
Main body, fire-spraying plate, nozzle body include contraction section, narrow aditus laryngis, expansion segment, and contraction section was tapered into along the bore of air supply direction
Cross to narrow aditus laryngis, expansion segment gradually increases along the bore of air supply direction since narrow aditus laryngis；Fire-spraying plate is fixed on expansion segment edge and send
The end in wind direction.
2. the fuel injection device according to claim 1, it is characterised in that：The nozzle be in contraction section inside or
Inside narrow aditus laryngis inside or expansion segment.
3. the fuel injection device according to claim 1, it is characterised in that：The drip tray is square or bowl-type, its
Inside has liquid fuel storage tank.
4. the fuel injection device according to claim 1, it is characterised in that：The horizontal area of the drip tray is generating tube
Horizontal area 1/5-2 times of size.
5. the fuel injection device according to claim 1, it is characterised in that：The generating tube be helical form generating tube or
The U-tube of the snakelike connection of multistage.
6. the fuel injection device according to claim 1, it is characterised in that：The jet pipe also includes air intake plate, air intake
There is air inlet and nozzle fixing hole, nozzle is fixed on said nozzle fixing hole on plate；Air intake plate is fixed on contraction section edge and send
The front end in wind direction.
7. the fuel injection device according to claim 1, it is characterised in that：Have on the fire-spraying plate of the nozzle body
Fire jetting hole, above-mentioned fire jetting hole flue, fire-spraying plate bottom has discharge port.
8. the fuel injection device according to claim 1, it is characterised in that：The fuel injection device also includes temperature
Degree sensor, controller；Temperature sensor is in the rear of drip tray top and jet pipe along air-supply wind direction；Controller respectively with oil transportation
Valve, igniter, air blower, temperature sensor control connection.
9. the fuel injection device according to claim 1, it is characterised in that：Reinforcement is fixed with the generating tube.
10. the fuel injection device according to claim 1, it is characterised in that：The fuel delivery valve is one, the fuel delivery valve
Oil-out or fuel delivery valve with composition logic NOT relation are two, and one of fuel delivery valve is connected to drip tray by petroleum pipeline,
Another fuel delivery valve connects the liquid-inlet of generating tube by petroleum pipeline.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620433361 | 2016-05-15 | ||
| CN201620433361X | 2016-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191578U true CN206191578U (en) | 2017-05-24 |
Family
ID=58725987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621238765.XU Withdrawn - After Issue CN206191578U (en) | 2016-05-15 | 2016-11-19 | Fuel injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206191578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051760A (en) * | 2016-05-15 | 2016-10-26 | 浙江明新风机有限公司 | Fuel injection device |
| CN107990307A (en) * | 2017-12-18 | 2018-05-04 | 蔡悦胜 | INVENTIONLiquid-fueled combustion device and combustion system |
-
2016
- 2016-11-19 CN CN201621238765.XU patent/CN206191578U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051760A (en) * | 2016-05-15 | 2016-10-26 | 浙江明新风机有限公司 | Fuel injection device |
| CN106051760B (en) * | 2016-05-15 | 2018-01-30 | 浙江明新能源科技有限公司 | Fuel injection device |
| CN107990307A (en) * | 2017-12-18 | 2018-05-04 | 蔡悦胜 | INVENTIONLiquid-fueled combustion device and combustion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170901 Address after: 99 No. 312300 Zhejiang province Shaoxing city Shangyu District Cao'e streets Chunhui Industrial Avenue Patentee after: Zhejiang New Energy Technology Co., Ltd. Address before: Chunhui No. 118 Industrial Avenue Shangyu District 312300 in Zhejiang city of Shaoxing Province Patentee before: Zhejiang Mingxin Fan Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20180130 |