CN216521786U - Ignition device with single-pole flame detection structure - Google Patents
Ignition device with single-pole flame detection structure Download PDFInfo
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- CN216521786U CN216521786U CN202122603368.5U CN202122603368U CN216521786U CN 216521786 U CN216521786 U CN 216521786U CN 202122603368 U CN202122603368 U CN 202122603368U CN 216521786 U CN216521786 U CN 216521786U
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Abstract
The utility model belongs to the technical field of combustion, and particularly relates to a single-pole ignition device with a flame detection structure. According to the ignition device with the single-pole flame detection structure, the ignition device comprises the ion probe, the air inlet pipe, the ignition needle assembly, the gas-electricity separation assembly and the fixing assembly, wherein the ignition needle assembly is provided with the anode ignition needle and the cathode ignition needle, the anode ignition needle, the cathode ignition needle and the ion probe are all close to the air outlet of the air inlet pipe, the anode ignition needle and the cathode ignition needle are matched to generate electric sparks and then ignite fuel gas at the air outlet to generate flame, the ion probe detects the flame, the success rate of flame detection can be further improved, the phenomenon that the main flame cannot be established due to the fact that the flame of the ignition gun is too small is avoided, and the relative positions of all parts can be adjusted according to actual use conditions through the movable connection mode of the fixing assembly.
Description
Technical Field
The utility model belongs to the technical field of combustion, and particularly relates to a single-pole ignition device with a flame detection structure.
Background
With the market demand, the national environmental protection requirement is met, the low-nitrogen burner is developed (NOx is less than 30mg/Nm3), and the FGR technology and the FIR technology are adopted. The application of FGR technology is accompanied with the generation of condensed water, and because the generation of the condensed water causes the water vapor in the ignition gun, the short circuit is easily established by electric sparks which are established everywhere and are not successfully established at the electrode, so that the success rate of establishing flame by the ignition gun is very low; the fan parameters of the equipment adopting the FIR technology are relatively high, so that the ignition device can not establish flame or the flame is too small due to high air volume and high air pressure, and further the small flame detection failure can not establish main flame.
Therefore, the following technical problems exist in the prior art: firstly, ignition of an ignition device is a power difference; secondly, the moisture is easy to cause short circuit, so that no electric spark is generated on the electrode; third, the air volume is high enough to not establish a flame or the flame is too small.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of poor ignition success rate of the ignition device, the utility model provides the ignition device with the flame detection structure, which is used for generating high-energy electric sparks, and adopts the following technical scheme:
the utility model provides a single-pole ignition device with a flame detection structure, which is characterized by comprising the following components: ion probe, the intake pipe, the ignition needle subassembly, gas electricity separating subassembly and fixed subassembly, wherein, the intake pipe is used for providing the gas, this intake pipe has air inlet and gas outlet, the air inlet setting of intake pipe is on gas electricity separating subassembly, the ignition needle subassembly has positive pole ignition needle and negative pole ignition needle, positive pole ignition needle is connected with gas electricity separating subassembly electricity, the intake pipe, positive pole ignition needle, negative pole ignition needle and ion probe all set up on fixed subassembly, positive pole ignition needle, negative pole ignition needle and ion probe all are close to the gas outlet, the gas that ignites the gas outlet after positive pole ignition needle cooperatees with negative pole ignition needle and produces the electric spark and then produces flame, ion probe is used for detecting flame.
The unipolar ignition device with the flame detection structure provided by the utility model can be further characterized in that the gas-electric separation assembly comprises a shell, a first ignition electrode, a second ignition electrode, a wiring unit and a high-voltage lead, wherein the wiring unit is arranged in a cavity inside the shell, the high-voltage lead is arranged on the wiring unit, one end of the first ignition electrode is electrically connected with the anode ignition needle, the other end of the first ignition electrode is electrically connected with the high-voltage lead through the wiring unit, and the second ignition electrode is electrically connected with the ion probe.
The single-pole ignition device with the flame detection structure provided by the utility model can also have the characteristic that a nylon plug and a single-end wire are arranged at the air inlet.
The single-pole ignition device with the flame detection structure provided by the utility model can also be characterized in that the fixing assembly is provided with a first fixing unit, the first fixing unit is close to the air outlet, the first fixing unit is provided with a first fixer, a second fixer and a plurality of first positioning ceramics, the first fixer and the second fixer are connected through bolts, the first positioning ceramics are nested on the first fixer and the second fixer, the negative electrode ignition needle is nested on the first fixer and the second fixer, and the anode ignition needle, the ion probe and the air inlet pipe are respectively nested on a cavity in the corresponding first positioning ceramics.
The single-pole ignition device with the flame detection structure provided by the utility model can also have the characteristics that the fixing assembly is also provided with a second fixing unit, the second fixing unit is close to the middle part of the air inlet pipe, the second fixing unit is provided with a third fixer, a fourth fixer and a plurality of second positioning ceramics, the third fixer and the fourth fixer are connected through bolts, the second positioning ceramics are nested on the third fixer and the fourth fixer, and the anode ignition needle, the ion probe and the air inlet pipe are respectively sleeved on the corresponding cavities in the second positioning ceramics.
The ignition device with the flame detection structure provided by the utility model can also have the following characteristics that: and the wind-proof pipe is sleeved on the peripheries of the ion probe, the air inlet pipe, the ignition needle assembly and the fixing assembly and is connected with the shell.
The single-pole ignition device with the flame detection structure provided by the utility model can also have the characteristic that the gap between the anode ignition needle and the cathode ignition needle is 3-5 mm.
The single-pole ignition device with the flame detection structure provided by the utility model can also have the characteristic that the distance between the first ignition electrode and the windproof pipe and the distance between the second ignition electrode and the windproof pipe are both more than or equal to 10mm, and the distance between the first ignition electrode and the air inlet pipe and the distance between the second ignition electrode and the air inlet pipe are both more than or equal to 10 mm.
Utility model with the functions and effects
According to the ignition device with the single-pole flame detection structure, the ignition device comprises the ion probe, the air inlet pipe, the ignition needle assembly, the gas-electricity separation assembly and the fixing assembly, wherein the ignition needle assembly is provided with the anode ignition needle and the cathode ignition needle, the anode ignition needle, the cathode ignition needle and the ion probe are all close to the air outlet of the air inlet pipe, the anode ignition needle and the cathode ignition needle are matched to generate electric sparks and then ignite fuel gas at the air outlet to generate flame, the ion probe detects the flame, the success rate of flame detection can be further improved, the phenomenon that the main flame cannot be established due to the fact that the flame of the ignition gun is too small is avoided, and the relative positions of all parts can be adjusted according to actual use conditions through the movable connection mode of the fixing assembly.
Drawings
FIG. 1 is a first block diagram of an ignition device in an embodiment of the present invention;
FIG. 2 is a second block diagram of the ignition device in the embodiment of the present invention;
FIG. 3 is a schematic view of the structure of an ignition gun body in an embodiment of the present invention;
FIG. 4 is a partially enlarged view of an intake port of an intake pipe in an embodiment of the utility model;
FIG. 5 is a first cross-sectional view of an ignition gun body in accordance with an embodiment of the present invention;
FIG. 6 is a second cross-sectional view of the ignition gun body in accordance with an embodiment of the present invention;
FIG. 7 is a third cross-sectional view of an ignition gun body in an embodiment of the present invention;
FIG. 8 is an enlarged fragmentary view at I of a cross-sectional view of an igniter gun body according to an embodiment of the utility model;
FIG. 9 is an enlarged fragmentary view at II of a cross-sectional view of an igniter gun body according to an embodiment of the utility model;
FIG. 10 is an enlarged fragmentary view at III of one cross-sectional view of an igniter gun body according to an embodiment of the utility model;
FIG. 11 is an enlarged fragmentary view at IV of a second cross-sectional view of an ignition gun body in accordance with an embodiment of the present invention;
FIG. 12 is an enlarged fragmentary view at V in section three of the firing gun body in accordance with an embodiment of the present invention;
fig. 13 is an enlarged fragmentary view at VI of the third cross-sectional view of the firearm body in accordance with an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
< example >
The present embodiment provides a single-pole ignition device 100 with a flame sensing structure for generating a high energy electrical spark to establish a main flame.
FIG. 1 is a first block diagram of an ignition device in an embodiment of the present invention; fig. 2 is a second structural diagram of the ignition device in the embodiment of the present invention.
As shown in fig. 1 and 2, the ignition device 100 of the single-pole ignition device with flame detection structure includes an ignition gun body 10 and an ignition gun case 20. The firearm body 10 is connected to the firearm magazine 20 by a communicator 30.
Fig. 3 is a schematic view of the structure of the ignition gun body in the embodiment of the present invention.
The ignition gun body 10 has an air intake tube 11, an ignition needle assembly 12, an ion probe 13, an air-electricity separation assembly 14, a fixing assembly 15, and an air-tight tube 16.
An intake pipe 11 is provided on the fixing assembly 15 for supplying gas. The intake pipe 11 has an intake port 111 and an outlet port 112.
Fig. 4 is a partially enlarged view of an intake port of an intake pipe in an embodiment of the present invention.
As shown in fig. 4, the air inlet pipe 11 is fixedly disposed on the gas-electric separation assembly 14 and the fixing assembly 15 by a set screw 1113. A nylon plug 1111 and a single-end filament 1112 are arranged at the air inlet 111. Gas may be delivered to gas outlet 112 through gas inlet 111.
FIG. 5 is a first cross-sectional view of an ignition gun body in accordance with an embodiment of the present invention; FIG. 6 is a second cross-sectional view of the ignition gun body in accordance with an embodiment of the present invention; fig. 7 is a third cross-sectional view of the firing gun body in an embodiment of the present invention.
As shown in fig. 5 to 7, the ignition needle assembly 12 is provided on the fixing assembly 15 for generating an electric spark. The ignition needle assembly 12 has an anode ignition needle 121 and a cathode ignition needle 122. The anode firing pin 121 is electrically connected to the gas-electric separation assembly 14. The anode ignition needle 121 and the cathode ignition needle 122 are both close to the air outlet 112. The gap between the anode ignition needle and the cathode ignition needle is 3mm-5 mm. The anode ignition needle 121 and the cathode ignition needle 122 are matched to generate electric sparks and then ignite the fuel gas at the gas outlet 112 to generate flame.
Ion probe 13 is disposed on a stationary assembly 15. The ion probe 13 is connected to an external signal transmission device (not shown in the figure). Ion probe 13 is positioned adjacent to outlet port 112 for detecting the resulting flame. The distance between the ion probe 13 and the ignition needle assembly 12 is a safe distance to avoid a power connection, and the distance is shortened as much as possible to ensure that the size of the whole ignition device is reduced.
FIG. 8 is an enlarged fragmentary view at I of a cross-sectional view of an igniter gun body according to an embodiment of the utility model; FIG. 9 is an enlarged fragmentary view at II of a cross-sectional view of an igniter gun body according to an embodiment of the utility model; FIG. 10 is an enlarged fragmentary view at III of one cross-sectional view of an igniter gun body according to an embodiment of the utility model; FIG. 11 is an enlarged fragmentary view at IV of a second cross-sectional view of an ignition gun body in accordance with an embodiment of the present invention; FIG. 12 is an enlarged fragmentary view at V in section three of the firing gun body in accordance with an embodiment of the present invention; fig. 13 is an enlarged fragmentary view at VI of the third cross-sectional view of the firearm body in accordance with an embodiment of the present invention.
As shown in fig. 8-11, the gas and electric separation assembly 14 is located at the end of the firearm frame 10 and is connected to the firearm magazine 20. The gas-electric separation assembly 14 has a housing 141, a first ignition electrode 142, a second ignition electrode 144, a wiring unit 143, and a high voltage wire (not shown). An O-ring 1411 is provided on the housing 141. The wiring unit 143 is disposed in a cavity inside the housing 141, as shown in fig. 10 and 13, and in this embodiment, the wiring unit 143 is a wiring stub. A high voltage wire (not shown in the drawing) is provided on the wiring unit 143. One end of the first ignition electrode 142 is electrically connected to the anode ignition needle 121, and the other end is electrically connected to a high voltage wire through the wiring unit 142. The distance between the first ignition electrode 142 and the windproof pipe 16 is more than or equal to 10mm, and the distance between the first ignition electrode 142 and the air inlet pipe 11 is more than or equal to 10 mm. The second ignition electrode 144 has one end connected to the ion probe 13 and the other end connected to a connection line (not shown) of a control system of an external device for receiving a flame signal through the wiring unit 143. The distance between the second ignition electrode 144 and the air-proof pipe 16 is more than or equal to 10mm, and the distance between the second ignition electrode 144 and the air inlet pipe 11 is more than or equal to 10 mm.
The fixing assembly 15 is used for fixing and connecting the air inlet pipe 11, the ignition needle assembly 12, the ion probe 13 and the gas-electric separation assembly 14 into a whole. The fixing assembly 15 has a first fixing unit 151 and a second fixing unit 152.
The first fixing unit 151 is adjacent to the air outlet 112. The first fixing unit 151 has a first holder 1511, a second holder 1512, a plurality of first positioning ceramics 1513, a positioning pin 1514, an inner hexagonal bolt 1515, an elastic washer 1516, and a first nut 1517.
In this embodiment, the first retainer 1511 and the second retainer 1512 are both circular structures, and the first retainer 1511 and the second retainer 1512 are both provided with mounting holes for fixing the first positioning ceramic 1513, the air inlet pipe 11, and the negative ignition needle 122.
As shown in fig. 8 and 11, the first retainer 1511 and the second retainer 1512 are coupled to each other by a hexagon socket head cap screw 1515. The negative ignition needle 122 is fixed to the first holder 1511 and the second holder 1512 by an elastic washer 1516 and a nut 1517. The anode ignition needle 121 and the cathode ignition needle 122 are integrally connected by a first holder 1511, a second holder 1512, a first positioning ceramic 1513, and a positioning pin. The first positioning ceramic 1513 is nested on the first retainer 1511 and the second retainer 1512. A fixing slot is arranged on the first positioning ceramic 1513. The negative ignition needle 122 is nested on the first holder 1511 and the second holder 1512. The anode ignition needle 121, the ion probe 13 and the air inlet pipe 11 are respectively sleeved on the corresponding cavity inside the first positioning ceramic 1513.
As shown in fig. 9 and 12, the second fixing unit 152 is located near the middle of the air inlet pipe 11, and the second fixing unit 152 has a third fixer 1521, a fourth fixer 1522, a plurality of second positioning ceramics 1523, a positioning pin 1524, a hexagon socket head cap screw 1525, and a second nut 1526. The third fastener 1521 and the fourth fastener 1522 are connected by a hexagon socket head screw 1525. The second positioning ceramic 1523 is nested on the third holder 1521 and the fourth holder 1522. The anode ignition needle 121, the ion probe 13 and the air inlet pipe 11 are respectively sleeved on the corresponding cavities inside the second positioning ceramics 1523.
The wind-proof pipe 16 is sleeved on the peripheries of the ion probe 13, the air inlet pipe 11, the ignition needle assembly 12 and the fixing assembly 15, and is connected with the ignition gun box 20 through a communicating vessel 161.
The operation of the ignition device of the present embodiment is as follows:
when the ignition device 100 is needed to ignite the combustion equipment, after the high-voltage conducting wire in the ignition gun box 20 is powered on, the high-voltage conducting wire is electrically connected with the ignition electrode 142 through the wiring unit 142 (wiring pile) in the gas-electricity separation assembly 14, current is transmitted to the anode ignition needle 121 through the ignition electrode 142, and at the moment, the anode ignition needle 121 is matched with the cathode ignition needle 122 to ignite the fuel gas at the air outlet 112 of the air inlet pipe 11, so as to generate combustion flame. Ion probe 13 can detect flame to transmit the result that detects to outside control system through signal transmission equipment, and then can improve the success rate of detecting flame, promptly: because the ion probe is arranged beside the ignition needle assembly, the vertical axis distance is 15mm, the ion probe can be burnt (surrounded) as long as the small flame is established, and then the ion probe generates an ion signal, so that the signal established by the small flame is transmitted to the control system. If no device for detecting the flame by the ion probe is arranged, whether the flame of the small flame is completely detected by the flame detector arranged on the combustion equipment or not is detected, the distance from the flame detector to the flame establishment position of the ignition needle of the ignition gun is far, and the detection visual angle can also be blocked by accessories in the combustion equipment, so that the embodiment increases the dual detection of the ion probe, ensures 100 percent of flame detection, and avoids the condition that the flame generated by the ignition device 100 is too small to establish main flame.
Examples effects and effects
According to the monopole area flame detects structure ignition, because including ion probe, the intake pipe, ignition needle subassembly, gas-electricity separation subassembly and fixed subassembly, the ignition needle subassembly has positive pole ignition needle and negative pole ignition needle, positive pole ignition needle, negative pole ignition needle and ion probe all are close to the gas outlet of intake pipe, the gas that ignites the gas outlet after positive pole ignition needle and negative pole ignition needle cooperate and produce the electric spark and then produce flame, ion probe detects flame, can further improve the success rate that detects flame, avoid ignition gun flame undersize and can't establish main flame, and the mode of live connection through fixed subassembly, can adjust the relative position of each spare part according to the in-service use condition.
In addition, according to the ignition device with the single-pole flame detection structure, the windproof pipe is arranged on the periphery of the ignition needle assembly, and is fixed and positioned through the gas-electricity separation unit and the air inlet nylon plug, so that transitional interference caused by combustion air volume and wind pressure to gas sprayed out of the ignition gun pipe and electric sparks established between ignition needles is avoided, and the ignition success rate is improved; the windproof pipe protects the ignition assembly (in the installation and transportation process) from being damaged and dislocated due to the friction and the collision of external accessories, so that ignition flowers cannot be built.
In addition, the ignition device with the flame detection structure of the monopole of the embodiment is movably connected with each part in the fixed assembly, and each part can be replaced independently, so that the ignition device is convenient to maintain and replace.
In addition, the single-pole ignition device with the flame detection structure has the advantages that the outer side of the ignition electrode is not wrapped by ceramic, the problem of ceramic breakage is greatly reduced, and the distance between the periphery of the ignition electrode and a conductor (an air prevention pipe and an air inlet pipe) is more than 10mm, so that short circuit is avoided.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.
Claims (8)
1. A single-pole ignition device with a flame detection structure, comprising:
an ion probe, an air inlet pipe, an ignition needle assembly, an pneumoelectric separation assembly and a fixing assembly,
wherein the air inlet pipe is used for providing fuel gas and is provided with an air inlet and an air outlet,
the air inlet of the air inlet pipe is arranged on the gas-electricity separation component,
the ignition needle assembly is provided with an anode ignition needle and a cathode ignition needle,
the anode ignition needle is electrically connected with the gas-electric separation component,
the air inlet pipe, the anode ignition needle, the cathode ignition needle and the ion probe are all arranged on the fixing component,
the anode ignition needle, the cathode ignition needle and the ion probe are close to the gas outlet, the anode ignition needle and the cathode ignition needle are matched to generate electric sparks and then ignite fuel gas at the gas outlet to generate flame, and the ion probe is used for detecting the flame.
2. The single-pole ignition device with flame detection structure of claim 1, wherein:
wherein the gas-electric separation component is provided with a shell, a first ignition electrode, a second ignition electrode, a wiring unit and a high-voltage lead,
the wiring unit is disposed in a cavity inside the housing,
the high-voltage wire is disposed on the wiring unit,
one end of the first ignition electrode is electrically connected with the anode ignition needle, the other end of the first ignition electrode is electrically connected with the high-voltage lead through the wiring unit,
the second ignition electrode is electrically connected to the ion probe.
3. The single-pole ignition device with flame detection structure of claim 1, wherein:
wherein, air inlet department is provided with nylon stopper and single-end silk.
4. The single-pole ignition device with flame detection structure of claim 1, wherein:
wherein the fixing assembly has a first fixing unit,
the first fixing unit is close to the air outlet and is provided with a first fixer, a second fixer and a plurality of first positioning ceramics,
the first and second anchors are connected by a bolt,
the first positioning ceramic is nested on the first holder and the second holder,
the negative ignition needle is nested on the first fixer and the second fixer,
the anode ignition needle, the ion probe and the air inlet pipe are respectively sleeved on the corresponding cavities in the first positioning ceramics.
5. The single-pole ignition device with flame detection structure of claim 4, wherein:
wherein the fixing assembly further has a second fixing unit,
the second fixing unit is close to the middle of the air inlet pipe and is provided with a third fixer, a fourth fixer and a plurality of second positioning ceramics,
the third and fourth anchors are connected by bolts,
the second positioning ceramic is nested on the third holder and the fourth holder,
the anode ignition needle, the ion probe and the air inlet pipe are respectively sleeved on the corresponding cavities in the second positioning ceramics.
6. The single-pole ignition device with flame detection structure of claim 2, further comprising:
and the wind-proof pipe is sleeved on the ion probe, the air inlet pipe, the ignition needle assembly and the periphery of the fixed assembly and is connected with the shell.
7. The ignition device with a flame detection structure of the monopole as claimed in claim 1, wherein:
wherein, the clearance between the anode ignition needle and the cathode ignition needle is 3mm-5 mm.
8. The single-pole ignition device with flame detection structure of claim 6, wherein:
wherein the distance between the first ignition electrode and the air-proof pipe and the distance between the second ignition electrode and the air-proof pipe are both more than or equal to 10mm,
the distance between the first ignition electrode and the air inlet pipe and the distance between the second ignition electrode and the air inlet pipe are both more than or equal to 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603368.5U CN216521786U (en) | 2021-10-28 | 2021-10-28 | Ignition device with single-pole flame detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603368.5U CN216521786U (en) | 2021-10-28 | 2021-10-28 | Ignition device with single-pole flame detection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216521786U true CN216521786U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122603368.5U Active CN216521786U (en) | 2021-10-28 | 2021-10-28 | Ignition device with single-pole flame detection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216521786U (en) |
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2021
- 2021-10-28 CN CN202122603368.5U patent/CN216521786U/en active Active
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