CN106016363A - Igniter - Google Patents
Igniter Download PDFInfo
- Publication number
- CN106016363A CN106016363A CN201610326246.7A CN201610326246A CN106016363A CN 106016363 A CN106016363 A CN 106016363A CN 201610326246 A CN201610326246 A CN 201610326246A CN 106016363 A CN106016363 A CN 106016363A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- hole
- lighter
- division board
- end cap
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/02—Lighters with liquid fuel fuel which is fluid at atmospheric pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighters Containing Fuel (AREA)
Abstract
The invention provides an igniter and belongs to the technical field of engine ignition. According to the igniter, the scramjet engine ignition problem can be effectively solved. A through hole is formed in the circle center of an end cover, the longitudinal section of the end cover is in a transverse H shape, and four air inlets are uniformly distributed in the periphery of the end cover. A step in the middle of a nozzle is provided with a thread and connected with an opening in the right end of the through hole through the thread. An O-shaped sealing ring is arranged between the left shoulder of the nozzle and the through hole. The left end of the nozzle is a closed end. Four micro through holes tangent to the inner diameter are formed in the position close to the closed end and located in a space of an opening in the left end of the through hole. An igniter body left chamber is formed between the left end of an isolation plate and the right side of the end cover. A concentric pipeline is arranged at the left end of the isolation plate. A clearance between the pipeline and the nozzle forms an annular air circuit. An opening in the right end of the isolation plate is in a trumpet shape. Through holes are uniformly distributed in the periphery of the end surface of the isolation plate. A combustion chamber is arranged on the right side of the isolation plate. A spark plug is arranged on the side wall of the combustion chamber and provided with a circumferential flame stabilization groove. The neck of the combustion chamber is a sound speed outlet. The igniter is mainly used for engine ignition.
Description
Technical field
The invention belongs to engine ignition technical field.
Background technology
Electromotor operation is typically necessary lighter and realizes igniting.At present conventional lighter includes: pyrotechnic igniter, etc. from
Daughter lighter and hot-shot ignition device etc..Pyrotechnic igniter utilizes gunpowder explosion to form high temperature gas flow, but this lighter can not weigh
Multiple use, it is difficult to realize electromotor repeats igniting.Plasma igniter utilizes plasma jet to light a fire, but this lighter
Bulky, and need powerful power supply to produce plasma, significantly increase system burden.
Hot-shot ignition device utilizes fuel and oxidant burning, produces high temperature gas flow and realizes igniting.The most common thermojet point
Firearm has hydrogen/oxygen lighter, ethanol/oxygen lighter, kerosene/oxygen lighter, nitrous oxide/hydrogen igniter etc.,
But above-mentioned lighter is generally used for Test System for Rocket Engine Test field, it is applied to scramjet engine igniting and also faces some and ask
Topic: the fuel of (1) above-mentioned lighter is many is not kerosene, needs to increase a single lighter fuel system；(2)
Although the fuel of some lighter is kerosene, but oxidant is oxygen or liquid oxygen rather than safer air, adds
The danger of system.
If a kind of lighter can be designed, using kerosene and air as fuel and oxidant, after burning, discharge high-octane high temperature
Combustion gas, recycles the kerosene in this combustion gas ignition engine combustor and air mixture, then lighter and electromotor can share
A set of fuel system, thus cost and the complexity of pilot system is greatly reduced.The difficult point of this lighter is how to design
Kerosene nozzle and lighter combustor, just can ensure that kerosene is effectively atomized, it is possible to be sufficiently mixed with air, and kerosene flame energy
Enough stable existences.There is no the open report of this type of kerosene air igniter at present.
Summary of the invention
It is an object of the invention to provide a kind of lighter, it can efficiently solve scramjet engine ignition problem.
It is an object of the invention to be achieved through the following technical solutions: a kind of lighter, including end cap, nozzle, spark plug and
Lighter body.End cap circle centre position is provided with through hole, and its longitudinal profile is horizontal H-shaped, around uniform four air intakes；Nozzle
The step at middle part is provided with screw thread, is threaded connection with the right-end openings of through hole, is provided with O type between left shoulder and the through hole of nozzle
Sealing ring, nozzle left end is Guan Bi end, is provided with four micro-shape through holes tangent with internal diameter at Guan Bi end, and micro-shape through hole is positioned at
In the left end open space of through hole；It is provided with division board in the middle part of lighter body, on the right side of the left end of division board and end cap, forms lighter
Body left chamber, division board left end is provided with concentric pipes, and the gap between this pipeline and nozzle forms annular air loop, isolation
Plate right-end openings flare, the uniform through hole of division board end face, is combustor on the right side of division board, and sidewall of combustion chamber is provided with fire
Hua Sai, is provided with the steady flame groove of circumference at spark plug；Combustor cervical region is velocity of sound outlet.
Described end cap is provided with O-ring seals, is fixed with lighter body by screw.
Four through holes, 90 ° of layouts each other that described internal diameter is tangent.
Described first nozzle is the annulus of an internal diameter 6mm external diameter 10mm.
Described secondary spout is the circular hole of 48 Ф 1mm.
A diameter of 8mm of described velocity of sound outlet.
Described nozzle total length 32mm, through-hole diameter Ф 0.3mm, through hole distance of center circle nozzle center of circle 1.4mm.
Described steady flame groove is a rectangular channel circumferentially, and groove width is 20mm, and groove depth is 5mm.
Eight Ф 6mm through holes being evenly arranged are had on end cap.Corresponding therewith, lighter body is machined with eight screwed holes.
Connected by the screw of eight M6 between end cap and body portion.Being provided with four air intakes on end cap, air intake is Ф 5mm
Circular hole.The through hole of end cap central is kerosene entrance, and kerosene inlet diameter is Ф 8mm.At end cap and the chien shih of lighter body
Seal with an O.
Air, by end cap inlet point firearm body left chamber, is then divided into two-way to flow, occurs mixed according to air and kerosene
The time sequencing closed, is respectively designated as first nozzle and secondary spout.First nozzle is the circle of an internal diameter 6mm external diameter 10mm
Ring, this annulus is a part for the division board left end concentric pipes of lighter body, is just enclosed within this concentric pipes after nozzle assembling
Inside, gap therebetween forms first nozzle.Make air and kerosene collide atomization in first nozzle, formed for the first time
Gaseous mixture.Secondary spout is the uniform through hole of surrounding of division board end face, a diameter of Ф 1mm, totally four ten eight.Function is so that
Partial air flows into the combustor on the right side of lighter body by this through hole, and secondary collision occurs between first time gaseous mixture, enters
One step atomization kerosene, to combustion reaction supplemental oxidant so that kerosene fully burns.Meanwhile, high-speed air is along chamber wall
Surface current moves, and plays and prevents spark plug by the risk of flame ablation.
Room temperature liquid kerosene after the through hole of end cap circle centre position injects, the Ф 0.3mm being evenly arranged by four circumferences on nozzle
Whirl hole produces tangential swirl, and then collide atomization with first nozzle leaked-in air, and the mixture of the two flows into a little together
Combustor on the right side of firearm body, burns under the igniting of spark plug.An O is employed between nozzle and end cap
Seal.
Being combustor on the right side of lighter body, spark plug is arranged on sidewall of combustion chamber by screwed hole, function be light air and
The gaseous mixture of kerosene.Being machined with steady flame groove on the circumference at spark plug place, this groove can play the effect of stable flame,
Prevent flame from being blown out by high velocity air.The form of steady flame groove is a rectangular channel circumferentially, and groove width is 20mm, groove depth
For 5mm.Product after kerosene and air burning flows out with velocity of sound from the round exit of combustor cervical region, sends out for ultra-combustion ramjet
Motivation is lighted a fire.A diameter of 8mm of velocity of sound outlet.
Nozzle is the core component of this lighter, and overall length 32mm is attached by the end cap of the screw thread of M10x1 with lighter.
Nozzle interior is the Ф 3mm circular channel that one end open is closed in one end, in the circumferential wall of blind end, machined for four weeks
To be evenly arranged and with the interior through hole through tangent Ф 0.3mm, through hole centre-to-centre spacing circular channel center 1.4mm.Outside opening
Footpath is Ф 5mm, just can be enclosed in the concentric pipes of lighter body division board left end after assembling, forms air first nozzle.
The four directions of length of side 6mm is machined, instrument clamping when being used for installing at opening.
Present invention advantage compared with prior art and effect:
The present invention has the injection pressure of the widest working range, i.e. kerosene and air, flow and equivalent proportion can be at the widest model
Choosing in enclosing, through experimental verification, this lighter can be such as
Reliably working in scope shown in table 1.
Table 1 lighter running parameter
Accompanying drawing explanation
Fig. 1 is the integrally-built sectional view of the present invention
Fig. 2 is the A-A view of Fig. 1 of the present invention
Fig. 3 is the nozzle sectional view of the present invention
Fig. 4 is the B-B view of Fig. 3 of the present invention
Detailed description of the invention
Embodiment
Below against accompanying drawing, the invention will be further described: a kind of lighter, including end cap 3, nozzle 7, spark plug
10 and lighter body 11.End cap 3 circle centre position is provided with through hole 4, and its longitudinal profile is horizontal H-shaped, around uniform four air
Entrance 2；Step in the middle part of nozzle 7 is provided with screw thread, is threaded connection with the right-end openings of through hole 4, the left shoulder of nozzle 7
And be provided with O RunddichtringO 6 between through hole 4, nozzle 7 left end for Guan Bi end, near Guan Bi end at be provided with four tangent with internal diameter
Micro-shape through hole 14, micro-shape through hole 14 is positioned at the left end open space of through hole 4；It is provided with division board in the middle part of lighter body 11,
Forming lighter body 11 left chamber on the right side of the left end of division board and end cap 3, division board left end is provided with concentric pipes, this pipeline with
Gap between nozzle 7 forms annular air loop 8, division board right-end openings flare, and division board end face is uniform logical
Hole 9, is combustor on the right side of division board, and sidewall of combustion chamber is provided with spark plug 10, is provided with the steady flame groove of circumference at spark plug 10
13；Combustor cervical region is velocity of sound outlet 12.
Described end cap 3 is provided with O-ring seals 5, is fixed with lighter body 11 by screw 1.
Four through holes 14,90 ° of layouts each other that described internal diameter is tangent.
Described first nozzle 8 is the annulus of an internal diameter 6mm external diameter 10mm
Described secondary spout 9 is the circular hole of 48 Ф 1mm
A diameter of 8mm of described velocity of sound outlet 12.
Described nozzle 7 overall length 32mm, through hole 14 diameter Ф 0.3mm, through hole 14 distance of center circle nozzle 7 center of circle 1.4mm.
Described steady flame groove 13 is a rectangular channel circumferentially, and groove width is 20mm, and groove depth is 5mm.
Eight Ф 6mm through holes being evenly arranged are had on end cap 3.Corresponding therewith, lighter body 11 is machined with eight spiral shells
Pit.Connected by the screw 1 of eight M6 between end cap and body portion.Being provided with four through holes 2 on end cap is air intake,
A diameter of Ф 5mm.The through hole 4 at end cap 3 center is kerosene entrance, a diameter of Ф 8mm.At end cap 3 and lighter body 11
Between employ an O-ring seals 5 and seal.
Air passes through the left chamber of end cap 3 inlet point firearm body 11, is then divided into two-way to flow, and occurs with kerosene according to air
The time sequencing of mixing, is respectively designated as first nozzle 8 and secondary spout 9.First nozzle 8 is an internal diameter 6mm external diameter 10mm
Annulus, this annulus is a part for lighter body 11 division board left end pipeline, nozzle 7 assembling after be just enclosed within channel interior,
Therebetween gap forms first nozzle 8.Air and kerosene collide atomization in first nozzle, form gaseous mixture for the first time.
Secondary spout 9 is the uniform through hole around division board, a diameter of Ф 1mm, totally four ten eight.Function is so that partial air leads to
Cross this through hole and flow into the combustor on the right side of lighter body 11, and secondary collision occurs between first time gaseous mixture, be atomized further
Kerosene, to combustion reaction supplemental oxidant so that kerosene fully burns.Meanwhile, high-speed air flows along combustion chamber wall surface,
Play and prevent spark plug 10 by the risk of flame ablation.
Room temperature liquid kerosene, after the through hole 4 of end cap 3 circle centre position injects, is evenly arranged by four circumferences on nozzle 7
Ф 0.3mm through hole 14 produces tangential swirl, and then collide atomization with first nozzle 8 leaked-in air, the mixture of the two
Flow into the combustor on the right side of lighter body together, burn under the igniting of spark plug 10.Between nozzle 7 and end cap 3
Employ an O-ring seals 6 to seal.
Being combustor on the right side of lighter body 11, spark plug 10 is arranged on sidewall of combustion chamber by screwed hole, and function is to light
Air and the gaseous mixture of kerosene.Being machined with steady flame groove 13 on the circumference at spark plug 10 place, this groove can play stable
The effect of flame, prevents flame from being blown out by high velocity air.Steady flame groove 13 is a rectangular channel circumferentially, and groove width is 20mm,
Groove depth is 5mm.Product after kerosene and air burning flows out with velocity of sound from the round exit of combustor cervical region, rushes for super burn
Hydraulic motor is lighted a fire.A diameter of 8mm of velocity of sound outlet 12.
Claims (8)
1. a lighter, including end cap (3), nozzle (7), spark plug (10) and lighter body (11), it is special
Levying and be: end cap (3) circle centre position is provided with through hole (4), its longitudinal profile is horizontal H-shaped, around uniform four air intakes
(2)；The step at nozzle (7) middle part is provided with screw thread, is threaded connection with the right-end openings of through hole (4), nozzle (7)
Left shoulder and through hole (4) between be provided with O RunddichtringO (6), nozzle (7) left end for Guan Bi end, near Guan Bi end at set
Having four micro-shape through holes (14) tangent with internal diameter, micro-shape through hole (14) is positioned at the left end open space of through hole (4)；Point
Firearm body (11) middle part is provided with division board, and the left end of division board forms lighter body (11) left chamber with end cap (3) right side
Room, division board left end is provided with concentric pipes, and the gap between this pipeline and nozzle (7) forms annular air loop (8), every
From plate right-end openings flare, the uniform through hole of division board end face (9), it is combustor on the right side of division board, sidewall of combustion chamber
It is provided with spark plug (10), is provided with steady flame groove (13) at spark plug (10) place；Combustor cervical region is that velocity of sound exports (12).
A kind of lighter the most according to claim 1, it is characterised in that: described end cap (3) is provided with O-ring seals (5),
Fixed with lighter body (11) by screw (1).
A kind of lighter the most according to claim 1, it is characterised in that: four through holes (14) that described internal diameter is tangent
90 ° of layouts each other.
A kind of lighter the most according to claim 1, it is characterised in that: described first nozzle (8) is an internal diameter 6mm
The annulus of external diameter 10mm.
A kind of lighter the most according to claim 1, it is characterised in that: described secondary spout (9) is 48 Ф 1mm
Through hole.
A kind of lighter the most according to claim 1, it is characterised in that: a diameter of 8mm of described velocity of sound outlet (12).
A kind of lighter the most according to claim 1, it is characterised in that: described nozzle (7) overall length 32mm, four
Through hole (14) diameter Ф 0.3mm, through hole (14) distance of center circle nozzle (7) center of circle 1.4mm.
A kind of lighter the most according to claim 1, it is characterised in that: described steady flame groove (13) is a circumferential cloth
The rectangular channel put, groove width is 20mm, and groove depth is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326246.7A CN106016363B (en) | 2016-05-17 | 2016-05-17 | A kind of lighter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326246.7A CN106016363B (en) | 2016-05-17 | 2016-05-17 | A kind of lighter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106016363A true CN106016363A (en) | 2016-10-12 |
| CN106016363B CN106016363B (en) | 2017-03-15 |
Family
ID=57098563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610326246.7A Expired - Fee Related CN106016363B (en) | 2016-05-17 | 2016-05-17 | A kind of lighter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106016363B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306575A (en) * | 2018-12-12 | 2020-06-19 | 通用电气公司 | Fuel injector assembly for a heat engine |
| CN112303665A (en) * | 2020-11-02 | 2021-02-02 | 西北工业大学 | Mixed combustion visual combustor |
| CN114963237A (en) * | 2022-06-28 | 2022-08-30 | 重庆科技学院 | Opposed high-pressure combustion chamber with annular nozzle |
| CN115435338A (en) * | 2022-11-09 | 2022-12-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Large-flow combustion heating injector adopting mixing nozzle |
| CN115628449A (en) * | 2022-12-20 | 2023-01-20 | 中国空气动力研究与发展中心超高速空气动力研究所 | Gas-liquid coaxial centrifugal nozzle in assembly structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1440560A (en) * | 1967-11-27 | 1976-06-23 | Imp Metal Ind Kynoch Ltd | Rocket motors |
| SU1229394A1 (en) * | 1976-04-20 | 1986-05-07 | Институт Механики Машин Ан Гсср | Method of internal combustion engine operation |
| CN102175041B (en) * | 2010-12-23 | 2012-06-27 | 中国航天科技集团公司第六研究院第十一研究所 | Dividing wall type regenerative cooling air oxygen alcohol torch type igniter |
| CN101975124B (en) * | 2010-11-02 | 2013-04-03 | 北京航空航天大学 | Spark plug type electric ignition coaxial nozzle shearing device |
| CN103422970B (en) * | 2013-07-17 | 2015-09-30 | 广州柴油机厂股份有限公司 | A kind of ignition mechanism adopting the gas engine of precombustion chamber |
| CN204783247U (en) * | 2015-07-01 | 2015-11-18 | 江苏盛源燃气动力机械有限公司 | Antechamber system of big discharge capacity gas internal -combustion engine |
-
2016
- 2016-05-17 CN CN201610326246.7A patent/CN106016363B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1440560A (en) * | 1967-11-27 | 1976-06-23 | Imp Metal Ind Kynoch Ltd | Rocket motors |
| SU1229394A1 (en) * | 1976-04-20 | 1986-05-07 | Институт Механики Машин Ан Гсср | Method of internal combustion engine operation |
| CN101975124B (en) * | 2010-11-02 | 2013-04-03 | 北京航空航天大学 | Spark plug type electric ignition coaxial nozzle shearing device |
| CN102175041B (en) * | 2010-12-23 | 2012-06-27 | 中国航天科技集团公司第六研究院第十一研究所 | Dividing wall type regenerative cooling air oxygen alcohol torch type igniter |
| CN103422970B (en) * | 2013-07-17 | 2015-09-30 | 广州柴油机厂股份有限公司 | A kind of ignition mechanism adopting the gas engine of precombustion chamber |
| CN204783247U (en) * | 2015-07-01 | 2015-11-18 | 江苏盛源燃气动力机械有限公司 | Antechamber system of big discharge capacity gas internal -combustion engine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306575A (en) * | 2018-12-12 | 2020-06-19 | 通用电气公司 | Fuel injector assembly for a heat engine |
| CN112303665A (en) * | 2020-11-02 | 2021-02-02 | 西北工业大学 | Mixed combustion visual combustor |
| CN112303665B (en) * | 2020-11-02 | 2022-06-14 | 西北工业大学 | Mixed combustion visual combustor |
| CN114963237A (en) * | 2022-06-28 | 2022-08-30 | 重庆科技学院 | Opposed high-pressure combustion chamber with annular nozzle |
| CN115435338A (en) * | 2022-11-09 | 2022-12-06 | 中国空气动力研究与发展中心超高速空气动力研究所 | Large-flow combustion heating injector adopting mixing nozzle |
| CN115435338B (en) * | 2022-11-09 | 2023-01-03 | 中国空气动力研究与发展中心超高速空气动力研究所 | Large-flow combustion heating injector adopting mixing nozzle |
| CN115628449A (en) * | 2022-12-20 | 2023-01-20 | 中国空气动力研究与发展中心超高速空气动力研究所 | Gas-liquid coaxial centrifugal nozzle in assembly structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106016363B (en) | 2017-03-15 |
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Granted publication date: 20170315 |
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