CN206922193U - A kind of igniter - Google Patents
A kind of igniter Download PDFInfo
- Publication number
- CN206922193U CN206922193U CN201720257010.2U CN201720257010U CN206922193U CN 206922193 U CN206922193 U CN 206922193U CN 201720257010 U CN201720257010 U CN 201720257010U CN 206922193 U CN206922193 U CN 206922193U
- Authority
- CN
- China
- Prior art keywords
- spark plug
- ignition
- combustion
- detonation chamber
- supporting mechanism
- 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.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of igniter, including battery, ignition switch, ignition coil, high-pressure ignition wire and spark plug, the battery, ignition switch, ignition coil, high-pressure ignition wire and spark plug sequentially concatenate, characterized in that, also include high-voltage line shielded tube, spark plug radome and choke coil；The choke coil concatenates with the high-pressure ignition wire, the spark plug radome is wrapped in the spark plug, the high-voltage line shielded tube is set in outside the high-pressure ignition wire and choke coil, its one end and the ignition coil output end are affixed, and the other end is with stretching into the spark plug radome and affixed with spark plug；The spark plug end is additionally provided with combustion-supporting mechanism, and separating in the combustion-supporting mechanism has detonation chamber and air storing cavity.While spark plug in the utility model igniter has corrosion resistance, also there is the advantages of efficiently igniting, energy-saving and emission-reduction.
Description
Technical field
Automotive ignition field is the utility model is related to, more particularly to a kind of igniter.
Background technology
In engine operation principle, air inlet, compression, igniting and exhaust, this is that a program is indispensable, lacks and wherein appoints
What one, engine will be unable to start.
As shown in figure 1, the ignition system in engine generally comprises battery 100, ignition switch 200, ignition coil
300th, high-pressure ignition wire 400 and spark plug 500.Battery is to supply electric current, and the electric energy that can store ignition system work comes
Source；Ignition switch, engine is set to operate or stop working, and as purposes such as electric accessories master switch on starting switch, car；Ignition lead
For example same transformer of role is enclosed, the voltage of battery can be changed into thousands of~ten thousand volts of high-tension electricity；High-pressure ignition wire function is
Conduct high tension electricity；Spark plug is the role for serving as igniting blast, the function of above-mentioned part be to conduct voltage, as the term suggests should
Spark plug is that the combustion chamber of engine is completely closely sealed, so that high-tension electricity has one by the spark plug body, the spark plug tip
Clearance electrode, after bearing high-tension electricity, spark can be produced in the clearance electrode at the spark plug tip, by the mixed steam compressed point
Combustion, is allowed to conflagration, and gas expands rapidly, promotes piston, just produces power.
Referring to Fig. 3, it is the structural representation of prior art spark plug 13.The spark plug 13 includes a central electrode
132nd, insulator 134, housing 136 and grounding electrode 138.The insulator 134 is ceramics insulator, has and extends in the axial direction
Axis hole, the central electrode 132 is inserted through the axis hole of the insulator 134.The housing 136 is arranged on the outer of the insulator 134
Week, the surface of housing 136 have screw thread.The grounding electrode 138 is connected with the end of the housing 136, and bends extension and center
Electrode 132 is relative, and the gap of spark discharge is formed between central electrode 132.The central electrode 132 and grounding electrode 138 it
Between form firing end portion, the firing end portion produces electric arc by the effect of pulse power, and then produces spark ignition electrode week
The mixed gas enclosed, reach the purpose of automatic ignition.Because the working environment of spark plug is exceedingly odious, the He of central electrode 132
Grounding electrode 138 needs igniting many times in combustion chamber under high-temperature and high-pressure conditions, and deposit occurs on the electrode and leads
Its corrosion is caused, causes being worse off for spark plug.
In order to slow down the speed of worsening of spark plug, technical staff has carried out various improvement to spark plug.Such as by improving electricity
The corrosion resistance of pole material increases number of electrodes to overcome the etching problem of electrode.But improve the anti-corruption of electrode material
Corrosion can need to propose new electrode material, can not change the etching problem of electrode in the case of using existing electrode material；
For setting multiple electrodes simultaneously, because the plurality of electrode equally exposes to the open air in a combustion chamber, it will suffer erosion simultaneously, can not
Fundamentally solve the anticorrosive problem of electrode, in addition, this kind of spark plug fires chamber due to no relative closure, can only be with biography
The defects of mode of leading discharges kindling material, and efficiency is low.
Utility model content
Based on this, the purpose of this utility model is, there is provided a kind of rational in infrastructure, the igniter of energy electromagnetism interference.
A kind of igniter, including battery, ignition switch, ignition coil, high-pressure ignition wire and spark plug, the electric power storage
Pond, ignition switch, ignition coil, high-pressure ignition wire and spark plug sequentially concatenate, it is characterised in that also including high-voltage line housing
Pipe, spark plug radome and choke coil；The choke coil is concatenated with the high-pressure ignition wire, and the spark plug radome is wrapped in
The spark plug, the high-voltage line shielded tube are set in outside the high-pressure ignition wire and choke coil, its one end and the point
Fiery coil output is affixed, and the other end is with stretching into the spark plug radome and affixed with spark plug；The spark plug end is also
Combustion-supporting mechanism is provided with, separating in the combustion-supporting mechanism has detonation chamber and air storing cavity.
Further, the combustion-supporting mechanism includes lateral wall and madial wall；Storage is formed between the lateral wall and madial wall
Air cavity, forms detonation chamber between the madial wall and the central electrode bared end, the central electrode stretches into the detonation chamber, institute
State grounding electrode to be arranged on the inside of madial wall, and ignition gap is formed with central electrode；The lateral wall offers air storing cavity and entered
Stomata, the madial wall offer detonation chamber air admission hole.
Further, the combustion-supporting mechanism is additionally provided with connection detonation chamber and outside flow-guiding channel, the flow-guiding channel
Stretched out centered on detonation chamber.
Further, the high-voltage line shielded tube includes interlude and is located at the linkage section at interlude both ends respectively.
Further, the high-voltage line shielded tube includes insulating barrier, wire netting and aluminium foil layer from the inside to surface.The shielding
Pipe has triple layer designs, plays a part of shielding electromagnetic wave while protection circuit.
Further, the high-voltage line shielded tube also includes hard shell.The high-voltage line shielded tube can be protected to meet with
To destruction.
Further, the igniter also includes a ground wire, and one end of the ground wire is connected with the high-pressure ignition wire,
The other end is grounded.Its function of the ground wire is burning voltage and reduction electromagnetic interference, has obvious help to the circuit of automobile in itself.
Further, the ignition switch includes switch case, lock core and closing cap；The built-in lock pin is in switch case
And the tapered end of the lock core exposes to housing；The closing cap is covered in outside the tapered end.Set closing cap igniting can be avoided to open
Customs director's phase is exposed, causes to be etched and into dust.
Further, it is semicircular first closing cap and the second closing cap that the closing cap, which includes, first envelope
Close lid and one end of the second closing cap is hinged in the switch case jointly, first closing cap and the second closing cap can be around
The hinged place rotates to closure or opened.The closure cap structure of the structure is simple, easy folding, and sealing effect is good.
Compared to prior art, the spark plug of igniter described in the utility model, which is arranged on the firing tip of central electrode, to be helped
In combustion engine structure, erosion-resisting performance is made it have.The detonation chamber of a relative closure is formd in combustion-supporting mechanism, forms one
Efficient to ignite space, when explosion happens, spark quickly can also outwards be sprayed by flow-guiding channel, add spark release
Efficiency, in addition also respectively from the electromagnetic interference of inside and outside elimination igniter, outside has added high-voltage line shielded tube and fire
Flower plug radome, masks electromagnetic interference caused by high-pressure ignition wire and spark plug；And concatenate one from portion side in high-pressure ignition wire
Individual choke coil, the series resistor inside spark plug, it is suppressed that the generation of electromagnetic interference, the combination of inner and outside, reached splendid anti-electricity
Magnetic disturbance effect.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the principle schematic of igniter in the prior art；
The structural representation of Fig. 2 igniters described in the utility model；
Fig. 3 is the structural representation of spark plug in the prior art；
Fig. 4 is the structural representation of spark plug described in the utility model；
Fig. 5 is the top view of the ignition switch.
Embodiment
As shown in Fig. 2 Fig. 2 is the structural representation of igniter described in the utility model.A kind of igniter, including including storing
Battery 1, ignition switch 2, ignition coil 3, high-pressure ignition wire 4 and spark plug 5, in addition to spark plug radome 6 and high-voltage line screen
Cover sleeve pipe 7.The battery 1, ignition switch 2, ignition coil 3, high-pressure ignition wire 4 and spark plug 5 sequentially concatenate.The electric power storage
Pond 1 provides electric power, starts to deliver power to the ignition coil 3 after starting ignition switch 2, the ignition coil 3 can be by electric power storage
The voltage in pond 1 is changed into high-tension electricity and exported again, and high-tension electricity is sent to the spark plug 5, spark plug by high-pressure ignition wire 4
5 bear high-tension electricity after can produce spark between the gap motor of the spark plug 5, so as to light gasoline.The spark plug radome
Outside the spark plug；The high-voltage line shielded tube is set in outside the high-pressure ignition wire.
As shown in figure 4, Fig. 4 is the structural representation of spark plug described in the utility model.The spark plug 5 includes metal
Shell 51, grounding electrode 52, ceramics insulator 53, central electrode 54, resistance 55, wiring screw rod 57 and combustion-supporting mechanism 58.It is described
Ceramics insulator 53 is arranged in metal-back 51, and the both ends of ceramics insulator 53 are exposed independent from outside metal-back 51.The ceramics
There is axis hole on axis direction of the insulator 53 along metal-back 51.The central electrode 54 is interspersed in the one of ceramics insulator 53
End, and exposed end (i.e. firing tip), wiring screw rod 57 are interspersed in the other end (i.e. terminals) of ceramics insulator 53.It is described
Resistance 55 is located in the through hole, and between central electrode 54 and wiring screw rod 57.The combustion-supporting mechanism 58 is set in institute
One end of metal shell 51 is stated, and around the exposed junction of central electrode 54.
The combustion-supporting mechanism 58 includes lateral wall 581 and madial wall 582, and the lateral wall 571 is set in outside the metal
On shell 51, air storing cavity is formed between lateral wall 581 and madial wall 582, the lateral wall 581 offers some air storing cavity air admission holes
583；The madial wall 582 is set on ceramics insulator 53, and detonation chamber is formed between ceramics insulator 53, the center
Electrode 54 stretches into the detonation chamber, and grounding electrode 52 is arranged on the inner side of madial wall 582, and forms gap with central electrode 54, this
In embodiment, grounding electrode 52 is ring-type, around the central electrode 54.The grounding electrode 52 and ceramics insulator 53 it
Between madial wall on offer detonation chamber air admission hole 584.The combustion-supporting mechanism 58 offers some connection detonation chambers and outside
Flow-guiding channel 585, the flow-guiding channel 585 are stretched out centered on detonation chamber.
In cylinder charge, due to pressure difference, mixed gas can be advanced the air storing cavity and detonation chamber.
When spark plug 5 is lighted a fire, between the central electrode 54 and grounding electrode 52 in detonation chamber in electric discharge ignition and blasting chamber
Mixed gas, now the gas in detonation chamber expand rapidly, pressure increase, and then promote spark released along flow-guiding channel 585
Put.At the same time, the gas of air storing cavity can flow into from detonation chamber air admission hole 584, add in detonation chamber, hold spark plug 5
Continuous work.And gas storage intracavity gas are reduced, pressure difference is formed with outside, i.e., gaseous mixture can be introduced by air storing cavity air admission hole 583
Body, supplement fuel.
Spark plug of the present utility model is arranged on the firing tip of central electrode 54 in combustion-supporting mechanism 58, makes it have anti-corruption
The performance of erosion.The detonation chamber of a relative closure is formd in combustion-supporting mechanism 58, forms an efficient ignition space, when
When blast occurs, spark by the quick outwards injection of flow-guiding channel 585, can also add the efficiency of spark release.
Specifically, the spark plug radome 6 is the hollow circular cylinder of both ends open, and its cover body offers some uniformly rows
The fin of row.
The high-voltage line shielded tube 7 includes a layer insulating, layer of metal net and one layer of aluminium foil successively from inside to outside
Layer, and the high-voltage line shielded tube 7 be three-stage, including interlude 70 and the linkage section positioned at interlude both ends, respectively
First linkage section 71 and the second linkage section 72.Described one end of first linkage section 71 is detachably connected with the interlude 70, another
End is detachably connected with the output end of ignition coil 3；Described one end of second linkage section 72 detachably connects with the interlude 70
Connect, the other end is detachably connected with the input of spark plug 5.The connected mode of the interlude 70 and both ends connection end can be with
For grafting, threaded connection, clamp connection.Two linkage section and the output end of ignition coil 3 or the connection side of the input of spark plug 5
Formula can be grafting, be threadedly coupled, snap connection.Because the high-voltage line shielded tube 7 is combined by multilayer material, but wherein
A bit of by destroying, whole high-voltage line shielded tube 7 can lose the effect of shielding electromagnetic interference, if whole sleeve pipe is changed
Unnecessary waste can be caused, and the high-voltage line shielded tube 7 is divided into three sections, the linkage section positioned at both ends is due to the inspection of schedule
Repair and safeguard, impaired probability is higher, when wherein one section impaired, need to only be replaced.
Further, the outermost of high-voltage line shielded tube 7 also includes one layer of hard shell 10, the hard shell 10
Effective high-voltage line shielded tube 7 can be protected, avoid high-voltage line shielded tube 7 from being destroyed so as to lose function of shielding.
In the present embodiment, the wire netting is copper wire netting.The ignition coil is wrapped up by coil housing, the high-voltage line screen
Cover its one end of sleeve pipe 7 and the output end of ignition coil 3 is affixed, the other end is with stretching into the spark plug radome 6 and and spark
It is affixed to fill in 5.Optionally, the both ends of the high-voltage line shielded tube 7 respectively have a connector be respectively and fixedly connected to the output end of ignition coil 3 and
On spark plug radome 6, high-voltage line shielded tube 7 is threadedly coupled with the connector at both ends respectively.The setting makes the high-voltage line
Shielded tube is easy to assemble, is easy to the maintenance and replacing of high-voltage line.
The high-pressure ignition wire 4 is also serially connected with choke coil 8, and choke coil 8 can suppress or eliminate because electromagnetism is done caused by high pressure
Disturb, the low high-tension electric current of internal resistance can be produced, thus igniting blasting action in cylinder can be made complete, draw so as to reduce and suppress
The generation of the waste gas such as carbon monoxide and hydrocarbon when quick-fried.
Igniter described in the utility model also includes a ground wire 9, one end of the ground wire 9 and the high pressure spot
Live wire 5 connects, and other end ground connection, ground connection place includes valve, engine, gearbox, generator, refrigerating compressor, car body
Itself etc..Its function of ground wire 9 is burning voltage and reduction electromagnetic interference, has obvious help to the circuit of automobile in itself, adds
The efficiency of conduct high tension electricity can be improved by filling the ground wire 9, and the ground wire 9 is connected to above-mentioned properly grounded place, made in high pressure
The high-tension electricity of the spark plug 5 is delivered in ignition lead 4, its frequency it is more stable and light a fire interval will not be excessively slow so that the fire
The firing action of flower plug 5 can be smooth, and the burning of mixed steam is complete, reduces the carbon distribution of the clearance electrode, extends making for the spark plug 5
Use the life-span.
As shown in figure 5, Fig. 5 is the top view of the ignition switch.The ignition switch 2 includes switch case 21, lock core
22 and closing cap；The lock core 22 is built in switch case 21 and the tapered end of the lock core 22 exposes to switch case 21；It is described
Closing cap is covered in outside the tapered end, and it is the semicircular closing cap of first closing cap 231 and second that the closing cap, which includes,
232, one end of the closing cap 232 of the first closing cap 231 and second is hinged in the switch case 21 jointly, and described first
The closing cap 232 of closing cap 231 and second can rotate to closure or open around the hinged place.
Compared to prior art, the spark plug 5 of igniter described in the utility model sets the firing tip of central electrode
In combustion-supporting mechanism 58, erosion-resisting performance is made it have.The detonation chamber of a relative closure is formd in combustion-supporting mechanism 58,
An efficient ignition space is formed, when explosion happens, spark can also pass through the quick outwards injection of flow-guiding channel 585, increase
The efficiency of spark release.And respectively from the electromagnetic interference of inside and outside elimination igniter, outside has added high-voltage line screen
Sleeve pipe 7 and spark plug radome 6 are covered, masks electromagnetic interference caused by high-pressure ignition wire 4 and spark plug 5；And from portion side in height
Pressure point 4 lines of fire concatenate a choke coil 8, resistance 55 of good performance are concatenated inside spark plug 5, it is suppressed that the production of electromagnetic interference
It is raw, the combination of inner and outside, reach splendid electromagnetism interference effect, and the high-voltage line shielded tube designs for three-stage, is easy to
Maintenance, it is more cost-effective during replacing.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.
Claims (10)
1. a kind of igniter, including battery, ignition switch, ignition coil, high-pressure ignition wire and spark plug, the battery,
Ignition switch, ignition coil, high-pressure ignition wire and spark plug sequentially concatenate, it is characterised in that also including high-voltage line shielded tube,
Spark plug radome and choke coil；The choke coil concatenates with the high-pressure ignition wire, and the spark plug radome is wrapped in institute
Spark plug is stated, the high-voltage line shielded tube is set in outside the high-pressure ignition wire and choke coil, its one end and the igniting
Coil output is affixed, and the other end is with stretching into the spark plug radome and affixed with spark plug；The spark plug end is also set
Combustion-supporting mechanism is equipped with, separating in the combustion-supporting mechanism has detonation chamber and air storing cavity.
2. igniter according to claim 1, it is characterised in that：The spark plug include insulating ceramics body, central electrode,
Metal shell, combustion-supporting mechanism and grounding electrode；The insulating ceramics ladder has axis hole in the axial direction；The central motor is worn
Insert in the axis hole and exposed end；To be wrapped in insulating ceramics external for middle control housing for the metal shell；The combustion-supporting mechanism
It is set in the metal shell end and surrounds the central electrode bared end, separating in the combustion-supporting mechanism has detonation chamber and storage
Air cavity, the central electrode stretch into the detonation chamber, and the grounding electrode is arranged in detonation chamber and forms point with central electrode
Fiery gap.
3. igniter according to claim 2, it is characterised in that：The combustion-supporting mechanism includes lateral wall and madial wall；Institute
State and air storing cavity formed between lateral wall and madial wall, detonation chamber is formed between the madial wall and the central electrode bared end,
The central electrode stretches into the detonation chamber, and the grounding electrode is arranged on the inside of madial wall, and is formed with central electrode between igniting
Gap；The lateral wall offers air storing cavity air admission hole, and the madial wall offers detonation chamber air admission hole.
4. igniter according to claim 3, it is characterised in that：The combustion-supporting mechanism is additionally provided with connection detonation chamber and outer
The flow-guiding channel in portion, the flow-guiding channel are stretched out centered on detonation chamber.
5. according to the igniter described in Claims 1-4 any one, it is characterised in that：The high-voltage line shielded tube includes
Interlude and the linkage section for being located at interlude both ends respectively.
6. igniter according to claim 5, it is characterised in that：The high-voltage line shielded tube includes insulation from the inside to surface
Layer, wire netting and aluminium foil layer.
7. igniter according to claim 6, it is characterised in that：The high-voltage line shielded tube also includes hard shell.
8. igniter according to claim 7, it is characterised in that：Also include one ground wire, one end of the ground wire with
The high-pressure ignition wire connection, other end ground connection.
9. igniter according to claim 8, it is characterised in that：The ignition switch includes switch case, lock core and envelope
Close lid；The built-in lock pin exposes to housing in the tapered end of switch case and the lock core；The closing cap is covered in the lock
Head is outer.
10. igniter according to claim 9, it is characterised in that：It is semicircular first envelope that the closing cap, which includes,
Lid and the second closing cap are closed, one end of first closing cap and the second closing cap is hinged in the switch case jointly, institute
Stating the first closing cap and the second closing cap can rotate to closure or open around the hinged place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257010.2U CN206922193U (en) | 2017-03-16 | 2017-03-16 | A kind of igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257010.2U CN206922193U (en) | 2017-03-16 | 2017-03-16 | A kind of igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922193U true CN206922193U (en) | 2018-01-23 |
Family
ID=61309631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720257010.2U Expired - Fee Related CN206922193U (en) | 2017-03-16 | 2017-03-16 | A kind of igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872836A (en) * | 2018-07-09 | 2018-11-23 | 深圳市合信达控制系统有限公司 | A kind of detection method and device of control panel anti-electromagnetic-radiation ability |
| CN115680652A (en) * | 2022-09-07 | 2023-02-03 | 山东省煤田地质局物探测量队 | Gas explosion focus ignition spark plug and remote control ignition device |
-
2017
- 2017-03-16 CN CN201720257010.2U patent/CN206922193U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872836A (en) * | 2018-07-09 | 2018-11-23 | 深圳市合信达控制系统有限公司 | A kind of detection method and device of control panel anti-electromagnetic-radiation ability |
| CN115680652A (en) * | 2022-09-07 | 2023-02-03 | 山东省煤田地质局物探测量队 | Gas explosion focus ignition spark plug and remote control ignition device |
| CN115680652B (en) * | 2022-09-07 | 2023-08-15 | 山东省煤田地质局物探测量队 | Gas explosion focus ignition spark plug and remote control ignition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |