CN1590848A - Electrical discharge ignition device for combustor - Google Patents
Electrical discharge ignition device for combustor Download PDFInfo
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- CN1590848A CN1590848A CN 200410087428 CN200410087428A CN1590848A CN 1590848 A CN1590848 A CN 1590848A CN 200410087428 CN200410087428 CN 200410087428 CN 200410087428 A CN200410087428 A CN 200410087428A CN 1590848 A CN1590848 A CN 1590848A
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Abstract
To improve the reliability and durability of an electrical discharge ignition device for a combustor by restraining breaking of a coil of an ignition transformer due to a heat shock. A high-voltage generator has an ignition transformer 13 for boosting the power supply voltage to a predetermined high voltage. The ignition transformer 13 has a primary coil 20 and a secondary coil 18. A connecting part 26 to an output pin 22 of the secondary coil 18 and an earth pin 23 has a first winding part 27 where the secondary coil 18 is wound round the root part of the pin and a second winding part 28 where the coil is wound round the tip part of the pin. In the second winding part 28, the secondary coil 18 is wound with higher density than in the first winding part 27. The output pin 22 of the ignition transformer 13 is connected to an output terminal. A discharge electrode of an ignition plug is electrically connected to an output terminal of the high voltage generator, thereby constituting this electrical discharge ignition device for a combustor.
Description
Technical field
The present invention relates to be used for the discharge ignition apparatus of the various combustion apparatus of gas combustion apparatus and oil combustion equipment etc.
Background technology
In the various combustion apparatus of gas burner (ガ ス コ Application ロ) and hot water supplier etc., utilize discharge ignition apparatus as incendiary source.Discharge ignition apparatus as the combustion apparatus use, general use device for generating high voltage and be arranged near the device of the igniter plug combination of gas burner etc., wherein device for generating high voltage has the high-tension ignition transformer (for example referring to patent documentation 1-2) that supply voltage is boosted to regulation.This discharge ignition apparatus, the secondary-side voltage after utilizing ignition transformer to boost make the sparking electrode of igniter plug produce spark, and gas burner etc. is caught fire.
In the ignition transformer of discharge ignition apparatus, use to have the transformer that for example in the centre bore of the bobbin winder bracket that outer circumferential side is twined by secondary windings, inserts the structure of the magnetic core that twines by elementary winding.Bobbin winder bracket is provided with the connection needle-like terminal and output needle-like terminal that is connected secondary windings and ground connection needle-like terminal that connects elementary winding.Ignition transformer is contained in the outside framework, externally is sealed with resin-sealing material in the framework.In this ignition transformer, make spark discharge in order to ensure the sufficient number of turn of secondary windings, the superfine copper cash that is coated with resin about using diameter for example as 0.05mm.
Twine respectively to high-density in the root side that is arranged at output needle-like terminal on the bobbin winder bracket and ground connection needle-like terminal the end of above-mentioned secondary windings.The wound portion of secondary windings is flooded by scolding tin and is electrically connected to and exports needle-like terminal and ground connection needle-like terminal.Wound portion corresponding to the output needle-like terminal and the ground connection needle-like terminal of this secondary windings, when scolding tin floods and is encapsulated into resin-sealing material, when when the use of discharge ignition apparatus, applying thermal shock in addition, has the problem that in secondary windings, is easy to generate broken string.Particularly, the device for generating high voltage of discharge ignition apparatus for example is arranged under near the situation of position of burner in the big environment of temperature difference, and the thermal shock that is caused by the temperature difference of environment for use causes secondary windings to be easy to generate broken string.The broken string of the secondary windings that this thermal shock causes is to make the reliability of discharge ignition apparatus and the main cause that durability reduces.
[patent documentation 1] spy opens flat 11-248155 communique
[patent documentation 2] spy opens flat 11-294766 communique
As mentioned above, in the ignition transformer of the discharge ignition apparatus that existing combustion apparatus is used, has the problem that winding breaks easily when applying thermal shock.Particularly, be the copper cash of superfine coated with resins because secondary windings uses, because of thermal shock is easy to generate broken string.The broken string of the broken string of the winding of ignition transformer, particularly secondary windings is to make the reliability of discharge ignition apparatus and the main cause that durability reduces.Therefore, strong winding broken string of wishing that the inhibition thermal shock causes.
Summary of the invention
The present invention be directed to the problems referred to above proposes.The object of the present invention is to provide the winding broken string of the ignition transformer that causes by the reason that suppresses thermal shock etc., make the burner discharge ignition apparatus of raisings such as reliability and durability.
The invention provides a kind of burner discharge ignition apparatus, it is characterized in that comprising: high pressure generating apparatus possesses: have ignition transformer elementary winding, secondary windings, the output needle-like terminal that is connected with above-mentioned secondary windings and ground connection needle-like terminal, that be used to raise supply voltage; The lead-out terminal that is connected with the above-mentioned output needle-like terminal of above-mentioned ignition transformer; And the outside framework of accommodating above-mentioned ignition transformer, and igniter plug, possesses the sparking electrode that has fore-end that works as the spark discharge terminal and the terminal part that is electrically connected with above-mentioned lead-out terminal, the coupling part of above-mentioned secondary windings and above-mentioned output needle-like terminal and ground connection needle-like terminal has: the root side first winding part afterwards that above-mentioned secondary windings is wrapped in above-mentioned output needle-like terminal and ground connection needle-like terminal, and above-mentioned secondary windings is wrapped in second after the fore-end side of above-mentioned output needle-like terminal and ground connection needle-like terminal twines part, above-mentioned secondary windings is compared with the above-mentioned first wound portion branch and is wrapped in above-mentioned second more to high-density and twines part.
The invention provides a kind of burner discharge ignition apparatus, it is characterized in that comprising: high pressure generating apparatus possesses: have elementary winding, secondary windings, the output needle-like terminal that is connected with above-mentioned secondary windings and ignition transformer ground connection needle-like terminal, that be used to improve supply voltage; The lead-out terminal that is connected with the above-mentioned output needle-like terminal of above-mentioned ignition transformer; And the outside framework of accommodating above-mentioned ignition transformer, and igniter plug possesses the sparking electrode of the terminal part that has near the fore-end the port that will be arranged on burner and be electrically connected with above-mentioned lead-out terminal; The coupling part of above-mentioned secondary windings and above-mentioned output needle-like terminal and ground connection needle-like terminal has: above-mentioned secondary windings is wrapped in the first second winding part of twining part and above-mentioned secondary windings being wrapped in the fore-end rear flank of above-mentioned output needle-like terminal and ground connection needle-like terminal of the root rear flank of above-mentioned output needle-like terminal and ground connection needle-like terminal, above-mentioned secondary windings is compared with the above-mentioned first wound portion branch and is wrapped in the above-mentioned second winding part more to high-density.
Combustion apparatus of the present invention by the coupling part of secondary windings with output needle-like terminal and ground connection needle-like terminal, is wrapped in first winding part of needle-like terminal root side and the second winding part formation of at needle-like terminal fore-end twining with secondary windings with discharge ignition apparatus.Compare with the first wound portion branch, in the second winding part secondary windings is twined to high-density.The first winding part that the secondary windings low-density is twined has the effect of dispersion, the stress when relaxing thermal shock.And the second winding part that the secondary windings high density is twined has the good effect that is electrically connected of guaranteeing secondary windings and output needle-like terminal and ground connection needle-like terminal.According to such combination, not only suppressed significantly because the broken string of the secondary windings that thermal shock causes but also can make is electrically connected good.
A combustion apparatus of the present invention embodiment of discharge ignition apparatus, be included in above-mentioned first and twine the above-mentioned secondary windings of part and be wrapped in above-mentioned output needle-like terminal and ground connection needle-like terminal, be wrapped in the ignition transformer of above-mentioned output needle-like terminal and ground connection needle-like terminal at the above-mentioned secondary windings of the above-mentioned second winding part with the density of 1.35～5.55 circle/mm with the density of 1.2～6 circle/mm.But, compare with the first wound portion branch, second twines secondary windings high density winding in the part.By twining amount is suitable for, can twine the effect that part obtains stress dispersion repeatedly well, relaxes by first.Also have, twine the electrical connection of guaranteeing secondary windings and output needle-like terminal and ground connection needle-like terminal that part can be good by second.
Combustion apparatus of the present invention is with another embodiment of discharge ignition apparatus, the ignition transformer that the coupling part that comprises above-mentioned secondary windings and above-mentioned output needle-like terminal and ground connection needle-like terminal is covered by scolding tin till from the fore-end of above-mentioned output needle-like terminal and ground connection needle-like terminal to above-mentioned second wound portion branch.Thus, preferably be impregnated into second wound portion and divide corresponding to the scolding tin of output needle-like terminal and ground connection needle-like terminal till.In other words, preferably the first winding part is flooded without scolding tin.For such formation, can twine dispersion, the alleviation effects that part further improves stress by first.
Combustion apparatus according to the present invention can guarantee and suppress over and over again the broken string of the winding of the ignition transformer that thermal shock causes with discharge ignition apparatus.Therefore, can provide good combustion apparatus discharge ignition apparatus such as reliability and durability.
Description of drawings
Fig. 1 is the formation of discharge ignition apparatus is used in expression according to the combustion apparatus of the first embodiment of the present invention a profile.
Fig. 2 is the front view that combustion apparatus shown in Figure 1 is used ignition transformer in the discharge ignition apparatus.
Fig. 3 is the side view that combustion apparatus shown in Figure 1 is used ignition transformer in the discharge ignition apparatus.
Fig. 4 is expression for the figure of the expansion of the formation of the wound portion of the secondary windings of the output needle-like terminal of Fig. 2 and ignition transformer shown in Figure 3 and ground connection needle-like terminal.
Fig. 5 is the expression of the figure state of scolding tin dipping is carried out in to(for) the wound portion of the secondary windings of output needle-like terminal shown in Figure 4 and ground connection needle-like terminal.
Fig. 6 is the front view of the formation of ignition transformer in the expression second embodiment of the present invention.
Fig. 7 is the side view of ignition transformer shown in Figure 6.
Description of reference numerals
1 combustion apparatus discharge ignition apparatus, 2 device for generating high voltage, 3 igniter plugs,
11 outside frameworks, 13,51 ignition transformers, 18,52,53 secondary windings
19 bobbin winder brackets, 20 elementary windings, 21 magnetic cores, 22,54,55 output needle-like terminals
23 ground connection needle-like terminals, 26 coupling parts, 27 first twine part, and 28 second twine part
29 scolding tin cover, 31 lead-out terminals, 41 sparking electrodes, 42 fore-ends (spark discharge end), 43 terminal parts (link), 44 insulators
The specific embodiment
Describe at embodiments of the invention below.Fig. 1 represents to use with discharge according to the combustion apparatus of the first embodiment of the present invention formation of igniter.Biao Shi combustion apparatus comprises high pressure generating apparatus 2 and igniter plug 3 with discharge ignition apparatus 1 in the figure.This combustion apparatus is with discharge ignition apparatus 1, for example is used for the various combustion apparatus of the such oil combustion equipment of such gas combustion apparatus of gas burner (ガ ス コ Application ロ) and hot water supplier and petroleum fan heater etc.
High pressure generating apparatus 2 has the outside framework 11 that is made of insulating materials such as resins.Outside framework 11 comprises the mounting portion 12 that is used for device for generating high voltage 2 and then discharge ignition apparatus 1 are arranged on the combustion apparatus main body.Externally hold somewhat fiery transformer 13 in the framework 11 and electronic components such as diode and resistance 14 are installed to circuit unit 16 on the printed circuit board (PCB) 15.Circuit unit 16 is electrically connected with the power supply terminal 17 of the lower surface that is arranged on outside framework 11.In addition, though omit in diagram, externally the inner sealing urethanes of framework 11 etc. is resin-sealed dose, with ignition transformer 13 and circuit unit 16 sealings.
Ignition transformer (step-up transformer) 13 as shown in Figures 2 and 3, has the bobbin winder bracket 19 that twines secondary windings 18 at outer circumferential side.Bobbin winder bracket 19 has centre bore, is inserted with the magnetic cores such as iron core 21 that twine elementary winding 20 in this centre bore.According to the number of turn of such elementary winding 20 and secondary windings 18, supply voltage boosts and is the high voltage of regulation.What the output needle-like terminal 22 of secondary windings 18 usefulness and ground connection needle-like terminal 23 and elementary winding 20 usefulness were set at bobbin winder bracket 19 is connected needle-like terminal 24,24.As each needle- like terminal 22,23,24 of this splicing ear, for example use the stone dead wire that is electroplate with scolding tin.
The elementary winding 20 of above-mentioned ignition transformer 13, the number of turn that is wrapped in usually on the magnetic core 21 is about 20～60 circles.Therefore, elementary winding 20 for example uses the line footpath to be the such coated wire of the copper conductor that is coated with urethanes about 0.3mm.Two ends of this elementary winding 20 are wrapped in respectively and are connected on the needle-like terminal 22,24.Utilization is carried out the scolding tin dipping to wound portion 25, makes elementary winding 20 and is connected 24 electrical connections of needle-like terminal.Elementary winding 20 is connected to power supply terminal 17 by connecting needle-like terminal 24 and circuit unit 16.
On the other hand, secondary windings 18 number of turn that need be wrapped on the bobbin winder bracket 19 is about 2000～6000 circles.Therefore, secondary windings 18 for example uses the line footpath to be the such coated wire of the copper conductor that is coated with urethanes about 0.05mm.Two ends of this secondary windings 18 are wrapped in respectively on output needle-like terminal 22 and the ground connection needle-like terminal 23, and realize being electrically connected by wound portion 26 being carried out the scolding tin dipping.But,, when applying thermal shock, have the danger that produces broken string owing to use the intensity of secondary windings 18 of superfine coating copper cash etc. low.Particularly, easily secondary windings 18 is applied tension force corresponding to the output needle-like terminal 22 of secondary windings 18 and the wound portion 26 of ground connection needle-like terminal.This is the reason that produces broken string in the existing ignition transformer.
Therefore, with in the discharge ignition apparatus 1, as shown in Figure 4, secondary windings 18 low-density ground is wrapped in the root side of output needle-like terminal 22 (and ground connection needle-like terminals 23) at the combustion apparatus of present embodiment, the while is wrapped in fore-end to high-density.Promptly, the coupling part 26 of secondary windings 18 and output needle-like terminal 22 (and ground connection needle-like terminals 23) has and secondary windings 18 is wrapped in first of needle-like terminal root side twines part 27 and secondary windings 18 is wrapped in second of needle-like terminal fore-end and twine part 28, compare with the first winding part 27, second twines part 28 twines secondary windings 18 high density.
Second winding part (the high density wound portion) 28 that secondary windings 18 high density are twined has the function of the reliability of electrical connection that improves secondary windings 18 and output needle-like terminal 22 and ground connection needle-like terminal 23.On the other hand, the first winding part 17 is that secondary windings 18 low-density are twined part.First twines part (low-density wound portion) 27 can help to suppress the broken string of secondary windings 18.The winding working procedure of secondary windings 18 is so implemented, and for example twines in needle-like terminal root side low-density, after needle-like terminal fore-end high density is twined, twines in needle-like terminal root side low-density more subsequently.
Also have, scolding tin dipping for the secondary windings 18 and the coupling part 26 of output needle-like terminal 22 (and ground connection needle-like terminals 23), as shown in Figure 5, the fore-end to the second from output needle-like terminal 22 (and ground connection needle-like terminals 23) twines part 28 by scolding tin 29 enforcement coatings.That is, first twines part 27 does not carry out the scolding tin coating, and secondary windings 18 can move more freely.In addition, to twine part 27 also passable though scolding tin dipping more or less arrives first, preferably stay first at least a portion of twining part 27 as the part that does not apply scolding tin in order to adjust.Utilize this scolding tin dipping, secondary windings 18 and output needle-like terminal 22 and ground connection needle-like terminal 23 are electrically connected respectively.In addition, ground connection needle-like terminal 23 is by the main body ground connection of combustion apparatus.
In the coupling part 26 of above-mentioned secondary windings 18 and output needle-like terminal 22 and ground connection needle-like terminal 23, the first winding part 27 that secondary windings 18 low-density are twined makes because the stress of thermal shock disperses, relaxes.The broken string that therefore, can suppress the secondary windings 18 that causes by thermal shock.That is,, also can twine part 27 and prevent that stress from focusing on a bit by first even coupling part 26 is when applying thermal shock, can dispersive stress.Carry out the scolding tin dipping owing to do not twine part 27, can further improve dispersion, the alleviation effects of this stress first.Therefore, can suppress significantly because secondary windings 18 broken strings of the ignition transformer 13 that thermal shock causes.
First twines part 27 preferably is wound into output needle-like terminal 22 and ground connection needle-like terminal 23 with secondary windings 18 with 1.2～6 circles/mm.1.4～4 circles/mm more preferably.Particularly, 1.5～3 circles/mm most preferably.When the twining amount of secondary windings 18 exceeded 6 circles/mm, the tension force of secondary windings 18 increased, and has the danger that can not obtain the dispersion effect of stress fully.If the twining amount less than 1.2 circles/mm of secondary windings 18, the dispersion effect of stress also can reduce.That is, utilize the first winding part 27 that constitutes by above-mentioned twining amount, can repeatability suppress secondary windings 18 well because the broken string that thermal shock causes.On the other hand, the second winding part 28 preferably is wound into output needle-like terminal 22 and ground connection needle-like terminal 23 with secondary windings 18 with 1.35～5.55 circles/mm.2～4.5 circles/mm more preferably.2.5～4.5 circles/mm most preferably particularly.By carrying out such twining amount, can improve the reliability of the electrical connection of secondary windings 18 and output needle-like terminal 22 and ground connection needle-like terminal 23.
Specific embodiment as above-mentioned ignition transformer 13, the elementary winding 20 that will be made of the urethanes coating copper cash of line footpath 0.3mm twines with 55 circles, simultaneously, the secondary windings 18 that will be made of the urethanes coating copper cash of line footpath 0.05mm twines and the manufacturing ignition transformer with 800 circles * 8.After twining for the root side low-density of output needle-like terminal 22 and ground connection needle-like terminal 23 respectively, twine the fore-end high density at the two ends of secondary windings 18.First twining amount that twines part 27 be 2 circle/mm (5 enclose/2.5mm).Second twining amount that twines part 28 be 3.33 circle/mm (5 enclose/1.5mm).The scolding tin dipping is fore-end to the second winding part 28 from the needle-like terminal.On the other hand, as comparative example of the present invention, secondary windings twined for the whole high density of root of output needle-like terminal and ground connection needle-like terminal make ignition transformer.
For the ignition transformer of the foregoing description and comparative example, carry out the heatproof impact test of method as follows.Then, measure, estimate the broken string that has or not secondary windings.Heatproof impact test is to carry out under the situation of each ignition transformer for embodiment and comparative example thermal cycle of applying-25 ℃ * 1hr+85 ℃ * 1hr.In addition, for heatproof impact test prepare respectively embodiment and comparative example ignition transformer each 100, these ignition transformers are tested.The result is, in the moment that 1000 circulations finish, 100 ignition transformer interrupt lines of embodiment be 0,100 ignition transformer interrupt lines of comparative example be 14.By this measurement, evaluation result, use the discharge ignition apparatus reliability and the good endurance of ignition transformer as can be known with above-mentioned coupling part structure.
In addition, twine the ignition transformer 13 that part (high density wound portion) 28 constitutes for twining part (low-density wound portion) 27 and second, only the output needle-like terminal 22 of the secondary windings 18 of present embodiment and the coupling part 26 of ground connection needle-like terminal 23 are described by first.But the present invention is not limited to such formation.Coupling part 25 for the connection needle-like terminal 24 of elementary winding 20 can have same formation.But because elementary winding 20 is thicker than the line footpath of secondary windings 18, with respect to secondary windings 18, it is because anxious heat causes that the danger of broken string is also little.Therefore, even adopt the structure that elementary winding 20 only is wrapped in needle-like terminal root side, also can keep the reliability and the durability of discharge ignition apparatus 1.
On the outside framework 11 of above-mentioned ignition transformer 13, the tubular bossing 30 that the mounting portion by igniter plug 3 constitutes is set.The internal communication of tubular bossing 30 and outside framework 11.In this tubular bossing 30, lead-out terminal 31 is set.The output needle-like terminal 22 of lead-out terminal 31 and ignition transformer 13 is electrically connected.The fore-end of lead-out terminal 31 is arranged in the tubular bossing 30, exposes the space outerpace of outside framework 11.The fore-end of lead-out terminal 31 is equipped with matching connector 32.Connector 32 uses plug connector in the present embodiment.
On the other hand, igniter plug 3 has the sparking electrode 41 by the heating resisting metal bar construction.The fore-end 42 of sparking electrode 41 can set in advance near the burner of combustion apparatus, has the function as the spark discharge end.The neighboring of sparking electrode 41 covers insulator 44 but exposes its fore-end 42 and terminal part 43.Sparking electrode 41 is by insulator 44 protections.Insulator 44 uses the ceramic material of heat-resisting and insulation such as aluminium oxide.In addition, the end of the terminal part 43 of insulator 44 is provided with the recess 45 of the mounting portion that constitutes device for generating high voltage 2.The terminal part 43 of sparking electrode 41 is exposed in the recess 45.
The terminal part of sparking electrode 41 (link) 43 is used as and 31 direct being connected of connecing in succession of lead-out terminal of device for generating high voltage 2 uses spark plug, and its fore-end for example is processed into taper shape.Therefore, the terminal part 43 of sparking electrode 41 inserts in the connector 32 that is linked and packed on lead-out terminal 31.Meanwhile, the recess 45 that is arranged on the end of insulator 44 is installed on the tubular bossing 30 of device for generating high voltage 20.Utilize such structure, with device for generating high voltage 2 and igniter plug 3 mechanical bond and electrical connection.For the direct syndeton of this plug-in type type of attachment, can prevent the generation of the capacitive component that causes by middle high-tension cable etc.And, can freely dismantle for sparking electrode 41 and lead-out terminal 31, can improve the reliability of electrical connection.
In addition, present embodiment connects such connector 32 to using to insert, and is illustrated at the direct syndeton that connects sparking electrode 41 and lead-out terminal 31.The present invention is not limited to this direct syndeton, for example can use compression-type or crimp type splicing ear etc., also sparking electrode 41 directly can be connected with lead-out terminal 31.And, be not limited to direct connected mode that sparking electrode 41 is connected with lead-out terminal 31, realize being electrically connected by the high-tension cable between sparking electrode 41 and the lead-out terminal 31 etc. and also can.
And, though use the neighboring of sparking electrode 41 to be insulated the igniter plug 3 that son 44 covers in the present embodiment, also can omit insulator 44.That is, igniter plug 3 only is made of also passable sparking electrode 41.In this case, the support sector that installs and uses the sparking electrode 41 that for example is arranged on the combustion apparatus main body for the main body of the combustion apparatus of igniter plug 3 realizes.Be arranged on the support sector of combustion apparatus main body side, not only guarantee the insulation of sparking electrode 41 and combustion apparatus main body, and use the body support structure of mechanically supporting sparking electrode 41.
With in the discharge ignition apparatus 1, will boost to the voltage of regulation by the ignition transformer 13 of device for generating high voltage 2 at this combustion apparatus, and make lead-out terminal 31 produce high voltages thus by the voltage of power supply terminal 17 inputs.This high voltage imposes on the sparking electrode 41 of igniter plug 3 by lead-out terminal 31, makes the fore-end (spark discharge end) 42 of sparking electrode 41 produce sparks.Discharge ignition apparatus 1 is lighted gas burner and petroleum burner etc. by the spark of fore-end 42 generations of sparking electrode 41.
As mentioned above, the combustion apparatus of present embodiment discharge ignition apparatus 1 is by the secondary windings 18 in the first winding part (low-density wound portion), the 27 and second winding part (high density wound portion), 28 formation ignition transformers 13 and the coupling part 26 of output needle-like terminal 22 and ground connection needle-like terminal 23.This coupling part 26 can be twined part 28 by second and fully be guaranteed to be electrically connected, and disperses, relaxes the stress that is caused by thermal shock by the first winding part 27 of not flooded by scolding tin.Thereby, can suppress because the broken string of the secondary windings 18 that thermal shock causes.Therefore, can improve reliability and the durability of combustion apparatus with discharge ignition apparatus 1.
Particularly, even under the device for generating high voltage 2 with discharge ignition apparatus 1 is arranged on situation in the big environment of temperature difference, the reliability of discharge ignition apparatus 1 and durability etc. also can improve.The combustion apparatus of present embodiment goes in the big environment of temperature difference with discharge ignition apparatus 1.As the big environment of this temperature difference (device for generating high voltage 2 be provided with place), for example be near the position the burner of main body of combustion apparatus mostly.
Secondly, with reference to Fig. 6 and Fig. 7 second embodiment of combustion apparatus of the present invention with discharge ignition apparatus is described.In addition, use identical symbol, omit its explanation with Fig. 1 identical part in Fig. 5.
Ignition transformer 51 as shown in Figure 6 and Figure 7 uses to have the discharge ignition apparatus of a plurality of igniter plugs, and has a plurality of secondary windings and output needle-like terminal.That is, be provided with ground connection needle-like terminal 23, twine first secondary windings 52 and second subprime winding 53 in its both sides respectively in the central authorities of bobbin winder bracket 19.Corresponding to this first and second secondary windings 52,53, be provided with the first output needle-like terminal 54 and the second output needle-like terminal 55 in the both sides of bobbin winder bracket 19.
And, corresponding to this first and second output needle-like terminal 54,55 first and second secondary windings 52,53 coupling part 26 is identical with first embodiment shown in Figure 4, have with secondary windings 52,53 low-density be wrapped in the second winding part 28 that first of needle-like terminal root side is twined part 27 and is wrapped in fore-end to high-density.The end of first and second secondary windings 52,53 is wrapped in ground connection needle-like terminal 23 respectively, and the formation of this coupling part 26 is also identical.Also carry out the scolding tin dipping for output needle-like terminal 54,55 and ground connection needle-like terminal 23, identical with the first above-mentioned embodiment, till fore-end to the second winding part 28 of needle-like terminal.In addition, the formation of ignition transformer 51 in addition is identical with the above embodiments.
This ignition transformer 51 with a plurality of secondary windings 52,53 and a plurality of output needle-like terminals 54,55 though do not illustrate identically with above-mentioned first embodiment in the drawings, is contained in the outside framework.Each output needle-like terminal 54,55 connects lead-out terminal respectively.And, connect igniter plug respectively by these a plurality of lead-out terminals, constitute the combustion apparatus discharge ignition apparatus of present embodiment.In addition, also identical for the formation of in addition discharge ignition apparatus and first embodiment.
For above-mentioned this discharge ignition apparatus the present invention that a plurality of igniter plugs are connected to device for generating high voltage also is effective.That is, can suppress respectively because the broken string of the secondary windings 52,53 that causes of thermal shock, and can improve combustion apparatus with the reliability of discharge ignition apparatus and durability etc. with a plurality of igniter plugs.In addition, be not limited to two, even self-evident 3 or also can obtain same effect more than it for the linking number of device for generating high voltage igniter plug.
Claims (7)
1. burner discharge ignition apparatus is characterized in that comprising:
High pressure generating apparatus possesses: have ignition transformer elementary winding, secondary windings, the output needle-like terminal that is connected with above-mentioned secondary windings and ground connection needle-like terminal, that be used to raise supply voltage; The lead-out terminal that is connected with the above-mentioned output needle-like terminal of above-mentioned ignition transformer; And the outside framework of accommodating above-mentioned ignition transformer, and
Igniter plug possesses the sparking electrode that has fore-end that works as the spark discharge terminal and the terminal part that is electrically connected with above-mentioned lead-out terminal,
The coupling part of above-mentioned secondary windings and above-mentioned output needle-like terminal and ground connection needle-like terminal has: the root side first fore-end side second winding part afterwards of twining part and above-mentioned secondary windings being wrapped in above-mentioned output needle-like terminal and ground connection needle-like terminal afterwards that above-mentioned secondary windings is wrapped in above-mentioned output needle-like terminal and ground connection needle-like terminal
Above-mentioned secondary windings is compared with the above-mentioned first wound portion branch and is wrapped in the above-mentioned second winding part more to high-density.
2. burner discharge ignition apparatus is characterized in that comprising:
High pressure generating apparatus possesses: have elementary winding, secondary windings, the output needle-like terminal that is connected with above-mentioned secondary windings and ignition transformer ground connection needle-like terminal, that be used to improve supply voltage; The lead-out terminal that is connected with the above-mentioned output needle-like terminal of above-mentioned ignition transformer; And the outside framework of accommodating above-mentioned ignition transformer, and
Igniter plug possesses near have the port that will be arranged on burner the fore-end and the sparking electrode of the terminal part that is electrically connected with above-mentioned lead-out terminal;
The coupling part of above-mentioned secondary windings and above-mentioned output needle-like terminal and ground connection needle-like terminal has: the first second winding part of twining part and above-mentioned secondary windings being wrapped in the fore-end rear flank of above-mentioned output needle-like terminal and ground connection needle-like terminal that above-mentioned secondary windings is wrapped in the root rear flank of above-mentioned output needle-like terminal and ground connection needle-like terminal
Above-mentioned secondary windings is compared with the above-mentioned first wound portion branch and is wrapped in the above-mentioned second winding part more to high-density.
3. burner discharge ignition apparatus according to claim 1 and 2, it is characterized in that: twine the above-mentioned secondary windings of part above-mentioned first and be wrapped in above-mentioned output needle-like terminal and ground connection needle-like terminal, be wrapped in above-mentioned output needle-like terminal and ground connection needle-like terminal with the density of 1.35～5.55 circle/mm at the above-mentioned secondary windings of the above-mentioned second winding part with the density of 1.2～6 circle/mm.
4. according to each described burner discharge ignition apparatus in the claim 1 to 3, it is characterized in that: the coupling part of above-mentioned secondary windings and above-mentioned output needle-like terminal and ground connection needle-like terminal is covered by scolding tin till above-mentioned second wound portion is divided from the fore-end of above-mentioned output needle-like terminal and ground connection needle-like terminal.
5. according to each described burner discharge ignition apparatus in the claim 1 to 4, it is characterized in that: above-mentioned ignition transformer has the bobbin winder bracket that is running through the magnetic core that is wound with above-mentioned elementary winding when peripheral side is being twined above-mentioned secondary windings at centre bore, upright above-mentioned output needle-like terminal and the ground connection needle-like terminal established on this bobbin winder bracket.
6. according to each described burner discharge ignition apparatus in the claim 1 to 5, it is characterized in that: above-mentioned igniter plug has the insulator of the above-mentioned sparking electrode of protection.
7. according to each described burner discharge ignition apparatus in the claim 1 to 6, it is characterized in that: enclosed resin-sealed dose in the said external framework.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003100074 | 2003-04-03 | ||
| JP100074/2003 | 2003-04-03 | ||
| JP087810/2004 | 2004-03-24 | ||
| JP2004087810A JP2004317114A (en) | 2003-04-03 | 2004-03-24 | Electrical discharge ignition device for combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1590848A true CN1590848A (en) | 2005-03-09 |
Family
ID=33478853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410087428 Pending CN1590848A (en) | 2003-04-03 | 2004-04-02 | Electrical discharge ignition device for combustor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004317114A (en) |
| CN (1) | CN1590848A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008270695A (en) * | 2007-03-23 | 2008-11-06 | Hanshin Electric Co Ltd | Ignition coil for internal combustion engine |
| ITTO20070215A1 (en) | 2007-03-26 | 2008-09-27 | Itw Ind Components S R L Co N | LIGHTER LIGHTER COMPACT FOR A APPLIANCE, IN PARTICULAR A COOKTOP |
| KR101365377B1 (en) | 2012-12-27 | 2014-02-19 | 삼성전기주식회사 | Transformer of multi output switching mode power supply and bobbin winding method |
-
2004
- 2004-03-24 JP JP2004087810A patent/JP2004317114A/en not_active Withdrawn
- 2004-04-02 CN CN 200410087428 patent/CN1590848A/en active Pending
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| Publication number | Publication date |
|---|---|
| JP2004317114A (en) | 2004-11-11 |
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