CN220707401U - Dual-purpose device of integral bipolar ignition needle and ignition gun - Google Patents
Dual-purpose device of integral bipolar ignition needle and ignition gun Download PDFInfo
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- CN220707401U CN220707401U CN202322299755.3U CN202322299755U CN220707401U CN 220707401 U CN220707401 U CN 220707401U CN 202322299755 U CN202322299755 U CN 202322299755U CN 220707401 U CN220707401 U CN 220707401U
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- ignition
- air inlet
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- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 abstract description 5
- 238000010892 electric spark Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an integrated bipolar ignition needle and ignition gun dual-purpose device, which comprises: one end of the air inlet pipe is provided with an air inlet, and the other end of the air inlet pipe is provided with an air outlet; the ignition gun head is detachably connected with the air outlet, and one end far away from the air outlet is provided with a gas jet hole; the bipolar ignition needle comprises a ceramic shell fixedly connected with an air inlet pipe through an ignition gun support and two ignition needles which are arranged in the ceramic shell and integrally formed with the ceramic shell, wherein one end of each ignition needle is an electrode end, the other end of each ignition needle is a high-voltage wire terminal, and the electrode ends are arranged at the ignition gun heads. According to the utility model, the problem that no spark is generated between electrodes due to deviation of the optimal distance for generating electric arcs between ignition electrodes is solved by the integrally formed bipolar ignition needle, and meanwhile, the bipolar ignition needle is obtained by integrally forming the ceramic shell and the ignition needle, so that the problem of short circuit caused by falling of ceramic powder at a spliced part in long-term use is solved, and the probability of successful ignition and the electric spark strength can be ensured while the service life is prolonged.
Description
Technical Field
The utility model relates to an ignition device, in particular to an integrated dual-purpose device for a bipolar ignition needle and an ignition gun.
Background
For ignition devices in industrial boiler burners, according to market research, the ignition devices with single poles are adopted, the ignition performance is good, the overall structure of the ignition device with high ignition success rate is relatively large (the diameter is not less than 42), and the installation space requirement is relatively large; the electric spark and the air pipe wall are established, and the ignition failure is caused because the water vapor in the flue gas is easy to cause short circuit; the ignition device adopted in the market has the advantages that most of the spray holes adopt single spray holes, gas is concentrated, flame shapes are clustered, and the establishment of main flames is not facilitated. In addition, a bipolar ignition needle is adopted to directly ignite main flame in many markets, and the mode of directly igniting the main flame has poor safety.
In order to solve the problem of too concentrated ignition flame, the patent publication No. CN209130924U proposes an ignition gun head and an ignition device thereof, which comprises a bipolar ignition device, but the ignition device still has the following problems: (1) The ignition needle used in the bipolar ignition device has an integrated structure, but is actually fixed by pouring and insulating spliced ceramic powder, and the ceramic powder at the spliced part falls off after long-time use, so that the problem of low ignition success rate is easily caused by short circuit; (2) Natural gas at the nozzle position is easy to be interfered by combustion air, and the ignition success rate is also influenced; (3) The high-voltage wire connection of the ignition needle is arranged in the limiting piece, the material is easy to age after long-time use, and the problem of breakdown short circuit is caused, so that the problem of low ignition success rate is caused.
Disclosure of Invention
The present utility model has been made to solve the above-described problems, and an object of the present utility model is to provide an integrated dual-purpose device for a bipolar ignition needle and an ignition gun.
The utility model provides an integrated bipolar ignition needle and ignition gun dual-purpose device, which has the characteristics that: one end of the air inlet pipe is provided with an air inlet, and the other end of the air inlet pipe is provided with an air outlet; the ignition gun head is detachably connected with the air outlet, and one end far away from the air outlet is provided with a gas jet hole; the bipolar ignition needle comprises a ceramic shell fixedly connected with an air inlet pipe through an ignition gun support and two ignition needles which are arranged in the ceramic shell and integrally formed with the ceramic shell, wherein one end of each ignition needle is an electrode end, the other end of each ignition needle is a high-voltage wire terminal, and the electrode ends are arranged at the ignition gun heads.
In the integrated bipolar ignition needle and ignition gun dual-purpose device provided by the utility model, the device can also have the following characteristics: the distance between the top ends of the two electrode ends of the two ignition needles is 3mm-4mm, the electrode ends are aligned to the gas injection hole, the distance between the top ends of the electrode ends and the top end of the ignition gun head in the horizontal direction is 1mm-2.5mm, after the ignition gun head is disassembled, the distance between the top ends of the electrode ends and the horizontal direction of the air inlet is 10mm-20mm, and the distance between the top ends of the electrode ends and the vertical direction of the center of the air inlet is 6mm-11mm.
In the integrated bipolar ignition needle and ignition gun dual-purpose device provided by the utility model, the device can also have the following characteristics: the ignition gun support is sleeved on the air inlet pipe, corresponding screw holes are formed in the ignition gun support and the ceramic shell, and the ignition gun support is fixedly connected with the ceramic shell through the matched connection of the screws and the screw holes.
In the integrated bipolar ignition needle and ignition gun dual-purpose device provided by the utility model, the device can also have the following characteristics: the high-voltage terminal of the ignition needle is connected with a high-voltage cap, the high-voltage cap is connected with a high-voltage wire, and the high-voltage cap is connected with an external ignition transformer through the high-voltage wire.
In the integrated bipolar ignition needle and ignition gun dual-purpose device provided by the utility model, the device can also have the following characteristics: and one side of the air outlet is also provided with a wind shield which is matched with the air inlet pipe and the outer side of the electrode end.
In the integrated bipolar ignition needle and ignition gun dual-purpose device provided by the utility model, the device can also have the following characteristics: wherein, the air inlet department of intake pipe is equipped with single silk, and the intake pipe passes through single silk head and is connected with outside air inlet pipeline.
Effects and effects of the utility model
According to the integrated bipolar ignition needle and ignition gun dual-purpose device, the used bipolar ignition needle adopts the structure that the ceramic shell and the ignition needle are integrally formed, no splicing part exists between ceramics, the problem of short circuit caused by the falling of ceramic powder at the splicing part when the device is used for a long time can be avoided, and the service life is prolonged, and meanwhile, the probability of successful ignition and the electric spark strength are ensured.
And the bipolar ignition needle is fixedly arranged on the air inlet pipe through the ignition gun support, so that the relative position between the bipolar ignition needle and the air inlet pipe can be ensured, the relative position of the front end injection hole or the air outlet of the ignition gun head, which is aligned to the double electrode ends (3-4 mm intervals) of the ignition needle, can be ensured, and the problems of ignition failure caused by the deviation of front, rear, left and right positions can be avoided.
Therefore, the integrated bipolar ignition needle and ignition gun dual-purpose device not only solves the potential safety hazard caused by directly igniting main flame, but also prolongs the service life while ensuring high ignition success rate, and has the advantages of strong applicability, wide application, simple structure and low cost.
Drawings
FIG. 1 is a schematic structural view of an integrated dual-pole ignition needle gun dual-purpose device in an embodiment of the utility model;
FIG. 2 is a side view of an integrated dual pole ignition needle gun dual purpose device in an embodiment of the present utility model;
FIG. 3 is a top view of an integrated dual pole ignition needle gun dual purpose device in an embodiment of the present utility model;
FIG. 4 is an enlarged view at A of FIG. 3;
FIG. 5 is a schematic view of the overall structure of a bipolar ignition needle in an embodiment of the present utility model;
FIG. 6 is a schematic view of the structure of a bipolar ignition needle in an embodiment of the present utility model;
FIG. 7 is a schematic view of the structure of a flame holder according to an embodiment of the utility model;
FIG. 8 is a schematic view of the structure of a wind deflector in an embodiment of the present utility model;
FIG. 9 is a schematic view of the structure of an integrated dual-pole ignition needle and ignition gun dual-purpose device ignition gun head after disassembly in an embodiment of the utility model;
FIG. 10 is a side view of an integrated dual-pole needle ignition gun dual-purpose device ignition gun head in an embodiment of the utility model with the ignition gun head removed;
FIG. 11 is a top view of an integrated dual-pole needle ignition gun dual-purpose device ignition gun head disassembled in an embodiment of the utility model;
FIG. 12 is an enlarged view at B of FIG. 11;
fig. 13 is a schematic view of the structure of the ignition gun according to the embodiment of the present utility model at the air outlet after the ignition gun is disassembled.
Detailed Description
In order to make the technical means, creation features, achievement of the purposes and effects achieved by the present utility model easy to understand, the following embodiments specifically describe the integrated dual-purpose device for dual-pole ignition needle and ignition gun of the present utility model with reference to the accompanying drawings.
< example >
FIG. 1 is a schematic structural view of an integrated dual-pole ignition needle gun dual-purpose device in an embodiment of the utility model; FIG. 2 is a side view of an integrated dual pole ignition needle gun dual purpose device in an embodiment of the present utility model; FIG. 3 is a top view of an integrated dual pole ignition needle gun dual purpose device in an embodiment of the present utility model; fig. 4 is an enlarged view at a of fig. 3.
As shown in fig. 1 to 4, the integrated dual-purpose device for a dual-purpose ignition gun for a dual-pole ignition needle of the present embodiment includes an air inlet pipe 10, an ignition gun head 20, and a dual-pole ignition needle 30.
One end of the air inlet pipe 10 is an air inlet, and the other end is an air outlet.
The air inlet of the air inlet pipe 10 is provided with a single-end wire 11, and the air inlet pipe 10 is connected with an external air inlet pipeline through the single-end wire 11.
The ignition gun head 20 is detachably connected with the air outlet, and one end far away from the air outlet is provided with a gas injection hole.
In this embodiment, the ignition gun head 20 used has an injection part and a body connected with the injection part, at least one layer of injection holes are arranged on the injection part, each injection hole comprises a fuel gas outlet, the fuel gas outlets of each layer of injection holes are uniformly distributed on the surface of the injection part, and the axis of each injection hole is inclined to the central axis of the gun head; the body is connected with the air outlet of the air inlet pipe 10, and is provided with a body passage having a gas inlet, which communicates with each injection hole to form a gas passage.
Fig. 5 is a schematic view of the overall structure of a bipolar ignition needle according to an embodiment of the present utility model, and fig. 6 is a schematic view of the structure of a bipolar ignition needle according to an embodiment of the present utility model. Fig. 6 (a) is a schematic structural view of the ceramic case, (b) is a schematic plan view of the case where no electrode is provided at the electrode terminal, (c) is a schematic plan view of the case where no connection cap is provided at the high-voltage terminal, (d) is a plan view of the electrode terminal when the electrode is provided, and (e) is a front view of the electrode terminal when the electrode is provided.
As shown in fig. 5 and 6, the bipolar ignition needle 30 includes a ceramic housing 31 fixedly connected to the intake pipe 10 by a ignition gun holder 40, and two ignition needles provided in the ceramic housing 31 and integrally formed with the ceramic housing 31.
One end of the ignition needle is an electrode end 321, the other end is a high-voltage terminal 322, the electrode end 321 is arranged at the ignition gun head 20, and the electrode end 321 is aligned with a gas injection hole of the ignition gun head 20.
In this embodiment, the height of the electrode tip is 12-20mm, the distance between the tips of the two electrode tips 321 of the two ignition pins is 3-4mm, and the distance between the tip of the electrode tip and the tip of the ignition gun head in the horizontal direction is 1-2.5 mm.
The high voltage terminal 322 of the ignition needle is connected to the high voltage cap 50, and the high voltage cap 50 is connected to the high voltage wire 60 and is connected to an external ignition transformer through the high voltage wire 60.
In this embodiment, the outer shell of the high-voltage cap 50 is made of ceramic to achieve the insulation function, and the inner part of the high-voltage cap 50 is made of brass to achieve the conductive function.
In this embodiment, the high-voltage wire 60 is also fixed in position by a fixing clip.
The ignition gun support 40 is sleeved on the air inlet pipe 10, and corresponding screw holes are formed in the ignition gun support 40 and the ceramic shell 31, and the ignition gun support 40 and the ceramic shell 31 are fixedly connected through the matched connection of screws and the holes.
Fig. 7 is a schematic structural view of an ignition gun stand according to an embodiment of the present utility model.
As shown in fig. 7, the top structure of the ignition gun supporter 40 includes supporter projections provided in the middle and supporter grooves provided at both sides of the supporter projections, and screw holes are provided in the supporter projections.
The ceramic shell 31 is provided with a lower end groove matched with the bracket lug of the ignition gun bracket 40, a through screw hole is arranged in the vertical direction of the lower end groove, and lower end lugs are formed on two sides of the lower end groove.
When the ignition gun support 40 and the ceramic shell 31 are fixedly connected, the support lugs are correspondingly arranged in the lower end grooves, the lower end lugs on the two sides are correspondingly arranged in the support grooves, and the screws penetrate through screw holes above the lower end grooves and enter the screw holes of the support lugs, so that the fixed connection between the ignition gun support 40 and the ceramic shell 31 is completed.
Fig. 8 is a schematic view of the structure of a wind deflector in an embodiment of the present utility model.
As shown in fig. 8, a wind guard 70 is further disposed at the air outlet side, and the wind guard 70 is sleeved on the air inlet pipe 10 and the outer side of the electrode end 321 in a matching manner. In this embodiment, the wind deflector 70 is mounted 35mm to 80mm from the air outlet.
FIG. 9 is a schematic view of the structure of an integrated dual-pole ignition needle and ignition gun dual-purpose device ignition gun head after disassembly in an embodiment of the utility model; FIG. 10 is a side view of an integrated dual-pole needle ignition gun dual-purpose device ignition gun head in an embodiment of the utility model with the ignition gun head removed; FIG. 11 is a top view of an integrated dual-pole needle ignition gun dual-purpose device ignition gun head disassembled in an embodiment of the utility model; FIG. 12 is an enlarged view at B of FIG. 11; fig. 13 is a schematic view of the structure of the ignition gun according to the embodiment of the present utility model at the air outlet after the ignition gun is disassembled.
As shown in fig. 9-13, the ignition gun head 20 can be disassembled, and the integrated dual-purpose device for the bipolar ignition needle and the ignition gun can be used as an ignition gun only, in this embodiment, the inner diameter of the air inlet pipe 10 is 10-20mm, after the ignition gun head 20 is disassembled, the distance between the top end of the electrode tip 321 and the horizontal direction of the air inlet is 10-20mm, the distance between the top end of the electrode tip 321 and the vertical direction of the center of the air inlet is 6-11 mm, and the electrode tip 321 is ensured to be positioned at the optimal ignition position.
Effects and effects of the examples
According to the integrated bipolar ignition needle and ignition gun dual-purpose device, the used bipolar ignition needle adopts the structure that the ceramic shell and the ignition needle are integrally formed, no splicing part exists between ceramics, the problem of short circuit caused by the falling of ceramic powder at the splicing part when the device is used for a long time can be avoided, and the service life is prolonged, and meanwhile, the probability of successful ignition and the electric spark strength are ensured.
And the bipolar ignition needle is fixedly arranged on the air inlet pipe through the ignition gun support, so that the relative position between the bipolar ignition needle and the air inlet pipe can be ensured, the relative position of the front end injection hole or the air outlet of the ignition gun head, which is aligned to the double electrode ends (3-4 mm intervals) of the ignition needle, can be ensured, and the problems of ignition failure caused by the deviation of front, rear, left and right positions can be avoided.
Further, through set up the deep bead that matches the pair and locate intake pipe and electrode tip outside in gas outlet one side, can prevent combustion-supporting air from disturbing the natural gas of spout position, guarantee the ignition success rate when improving the suitability.
Further, be provided with high-voltage cap connection ignition needle's high-voltage terminal and high-voltage wire for high-voltage wire junction separates with the intake pipe through the high-voltage cap, and the installation is simple and insulating effectual, and the high-voltage cap material selection is thicker difficult broken simultaneously, has solved long-time use material ageing, causes the problem of puncture short circuit, improves the ignition success rate in the improvement life.
Further, by the detachable ignition gun head, the ignition gun head can be used as an ignition gun and a center gun at the same time when the ignition gun head is used, so that the multifunctional use is realized; when the ignition gun head is detached, the ignition gun head can be used as an ignition gun, so that the structure can be simplified, and the production cost can be reduced.
In summary, the integrated bipolar ignition needle and ignition gun dual-purpose device not only solves the potential safety hazard caused by directly igniting main flame, but also prolongs the service life while ensuring high ignition success rate, and has the advantages of strong applicability, wide application, simple structure and low cost.
The above embodiments are preferred examples of the present utility model, and are not intended to limit the scope of the present utility model.
Claims (6)
1. Double-purpose device of bipolar ignition needle ignition rifle of integral type, its characterized in that includes:
one end of the air inlet pipe is provided with an air inlet, and the other end of the air inlet pipe is provided with an air outlet;
the ignition gun head is detachably connected with the air outlet, and one end far away from the air outlet is provided with a gas injection hole;
the bipolar ignition needle comprises a ceramic shell fixedly connected with the air inlet pipe through an ignition gun bracket and two ignition needles which are arranged in the ceramic shell and integrally formed with the ceramic shell,
one end of the ignition needle is an electrode end, the other end of the ignition needle is a high-voltage wire connection end, and the electrode end is arranged at the ignition gun head.
2. The dual-purpose device of an integrated bipolar ignition needle ignition gun of claim 1, wherein:
wherein the distance between the top ends of the two electrode ends of the two ignition needles is 3mm-4mm, the electrode ends are aligned with the gas injection hole, the distance between the top ends of the electrode ends and the top end of the ignition gun head in the horizontal direction is 1mm-2.5mm,
after the ignition gun head is disassembled, the distance between the top end of the electrode end and the horizontal direction of the air inlet is 10mm-20mm, and the distance between the top end of the electrode end and the vertical direction of the center of the air inlet is 6mm-11mm.
3. The dual-purpose device of an integrated bipolar ignition needle ignition gun of claim 1, wherein:
the ignition gun support is sleeved on the air inlet pipe, corresponding screw holes are formed in the ignition gun support and the ceramic shell, and the ignition gun support is fixedly connected with the ceramic shell through the cooperation of screws and the screw holes.
4. The dual-purpose device of an integrated bipolar ignition needle ignition gun of claim 1, wherein:
the high-voltage wire connecting end of the ignition needle is connected with a high-voltage cap, the high-voltage cap is connected with a high-voltage wire, and the high-voltage cap is connected with an external ignition transformer through the high-voltage wire.
5. The dual-purpose device of an integrated bipolar ignition needle ignition gun of claim 1, wherein:
and one side of the air outlet is also provided with a wind shield, and the wind shield is matched with the air inlet pipe and the outer side of the electrode end.
6. The dual-purpose device of an integrated bipolar ignition needle ignition gun of claim 1, wherein:
the air inlet of the air inlet pipe is provided with a single-head wire, and the air inlet pipe is connected with an external air inlet pipeline through the single-head wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299755.3U CN220707401U (en) | 2023-08-25 | 2023-08-25 | Dual-purpose device of integral bipolar ignition needle and ignition gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299755.3U CN220707401U (en) | 2023-08-25 | 2023-08-25 | Dual-purpose device of integral bipolar ignition needle and ignition gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220707401U true CN220707401U (en) | 2024-04-02 |
Family
ID=90438320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322299755.3U Active CN220707401U (en) | 2023-08-25 | 2023-08-25 | Dual-purpose device of integral bipolar ignition needle and ignition gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220707401U (en) |
-
2023
- 2023-08-25 CN CN202322299755.3U patent/CN220707401U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Evergrande Control Valve Co.,Ltd. Assignor: Shanghai NTFB Combustion Equipment Co.,Ltd. Contract record no.: X2024980006031 Denomination of utility model: Integrated bipolar ignition needle ignition gun dual-purpose device Granted publication date: 20240402 License type: Common License Record date: 20240521 |