CN216744448U - Ignition electrode for linear combustor and linear combustor - Google Patents
Ignition electrode for linear combustor and linear combustor Download PDFInfo
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- CN216744448U CN216744448U CN202123373364.9U CN202123373364U CN216744448U CN 216744448 U CN216744448 U CN 216744448U CN 202123373364 U CN202123373364 U CN 202123373364U CN 216744448 U CN216744448 U CN 216744448U
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Abstract
The utility model discloses an ignition electrode for a linear combustor and the linear combustor, wherein the ignition electrode comprises: the device comprises a positive metal rod, a clamping sleeve joint component, a protective sleeve and a negative metal pipe; the two ends of the positive metal rod are respectively a wiring end and a positive ignition end, and an insulating layer is arranged outside the metal rod; the two ends of the negative metal tube are respectively a connecting end and a negative ignition end; the protective sleeve is sleeved on the positive metal rod, and the wiring end and the positive ignition end extend out of the protective sleeve; one end of the protective sleeve is connected with the anode metal rod through the ferrule connector component; one end of the protective sleeve, which is close to the anode ignition end of the anode metal rod, is connected with the connecting end of the cathode metal tube; the cathode ignition end of the cathode metal tube is close to but not in contact with the anode ignition end of the anode metal rod for discharging and igniting. The device not only prevents electric leakage, but also plays a role in heat insulation protection, thereby effectively avoiding the problem of ignition electrode failure caused by that the conducting wire is scalded by high temperature in the process air duct.
Description
Technical Field
The utility model relates to the technical field of combustion equipment, in particular to an ignition electrode for a linear combustor and the linear combustor.
Background
The combustion process of the linear combustor is mainly carried out in a combustion chamber, the hot air outlet end of the linear combustor is connected with a combustor head, the combustor head is communicated with a hot air inlet on a drying medium circulating pipeline, and the combustor head is made of heat-resistant metal. The linear burner has the advantages of full combustion and energy conservation, and is applied to the material drying process in various fields such as electroceramics, building materials, refractory materials, daily ceramics, sanitary wares and the like.
And the ignition electrode is used as a component of the combustion system and is used for realizing the automatic ignition of the combustion system on the linear combustor.
Although the ignition electrode is widely applied, most of the existing products in the market are installed on a burner body, and for a linear burner, a high-voltage lead is exposed to a high-temperature environment in an air duct for a long time and is easy to lose efficacy after long-term use. How to solve the problems of stability and service life of the ignition electrode at high temperature and meet the requirements of users becomes a problem to be solved urgently.
Therefore, there is a need in the art for an ignition electrode that is simple in construction, has a high ignition success rate in high temperature environments, and is stable.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the ignition electrode which is simple in structure, long in service life in a high-temperature environment, high in ignition success rate, stable and reliable.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
in one aspect, the present invention discloses an ignition electrode for a linear burner, comprising: the device comprises a positive metal rod, a clamping sleeve joint assembly, a protective sleeve and a negative metal tube; the two ends of the positive metal rod are respectively a wiring end and a positive ignition end, and an insulating layer is arranged outside the metal rod;
the two ends of the negative metal tube are respectively a connecting end and a negative ignition end;
the protective sleeve is sleeved on the positive electrode metal rod, and the wiring end and the positive electrode ignition end of the positive electrode metal rod extend out of the protective sleeve;
one end of the protective sleeve, which is close to the wiring end of the positive metal rod, is connected with the positive metal rod through the ferrule adapter assembly; one end of the protective sleeve, which is close to the positive ignition end of the positive metal rod, is connected with the connecting end of the negative metal tube;
the cathode ignition end of the cathode metal tube is close to but not in contact with the anode ignition end of the anode metal rod for discharging and igniting.
The beneficial effects of the above technical scheme are that: the problem that the ignition electrode is prone to scalding the lead and causing the ignition electrode to lose efficacy in a high-temperature environment in the prior art is fully considered, the insulating layer is arranged outside the positive metal tube, on one hand, electric leakage is prevented, on the other hand, the heat insulation protection effect is achieved, therefore, the fact that the wiring of the ignition electrode is arranged in the air duct is avoided, and the problem that the ignition electrode loses efficacy due to the fact that the lead is scalded and damaged in the air duct at high temperature in the process is effectively avoided.
Furthermore, the ferrule assembly comprises a first ferrule and a second ferrule, and the first ferrule is arranged on one side of the protective sleeve close to the wiring end of the positive metal rod and used for connecting the protective sleeve and the positive metal rod; the second clamping sleeve joint is arranged on the outer surface of the protective sleeve and used for installing the ignition electrode on the linear combustor.
The beneficial effects of the above technical scheme are that: the first clamping sleeve joint is arranged, so that the protective sleeve and the positive metal rod can be conveniently and quickly disassembled and assembled; the arrangement of the second clamping sleeve joint is convenient for adjusting the installation position of the ignition electrode and the linear burner.
Still further, the ignition electrode still includes interior screwed joint, interior screwed joint be equipped with welding end and screw thread end, interior screwed joint pass through welding end with the protective case is close to the one end welded connection of the wiring end of anodal metal rod.
The beneficial effects of the above technical scheme are that: the arrangement of the internal thread joint is convenient for the processing and forming of the protective sleeve, and the processing cost is effectively reduced; in addition, the threaded end of the internal thread joint is convenient for being in threaded connection with the first ferrule joint.
Still further, the positive pole metal rod comprises a positive pole solid needle and a positive pole hollow tube, the positive pole solid needle penetrates through the positive pole hollow tube, and the positive pole hollow tube is the insulating layer.
Furthermore, the positive solid needle and the positive hollow tube can slide relatively; the first clamping sleeve joint is an adjustable clamping sleeve joint, and the adjustable clamping sleeve joint is in threaded connection with the threaded end of the inner thread joint and is used for adjusting and fixing the relative connection position between the positive metal rod and the protective sleeve.
The beneficial effects of the above technical scheme are that: the solid needle of positive pole sets up to can slide relatively with anodal hollow tube, helps realizing that the whole length of ignition electrode is adjustable under the prerequisite that does not influence the insulating thermal-insulated protection to the solid needle of positive pole, easily makes the standard component, is applicable to the ignition user demand of the linear combustor of different wind channel installation types.
And furthermore, more than two ignition contacts are arranged at the negative ignition end of the negative metal tube, the ignition contacts are uniformly distributed along the circumferential direction by using the central axis of the negative metal tube, and a gap exists between every two adjacent ignition contacts.
The beneficial effects of the above technical scheme are that: more than two ignition contacts are uniformly arranged along the circumferential direction of the cathode metal tube and are annularly arranged, so that the discharge area is effectively increased, and the ignition success rate is improved.
Still further, the ignition electrode further comprises a threaded connector, and the threaded connector sequentially penetrates through the protective sleeve and the cathode metal tube from outside to inside to connect the protective sleeve and the cathode metal tube.
Still further, the threaded connecting piece is a positioning threaded connecting piece, and the tail end of the positioning threaded connecting piece is pressed against the positive metal rod.
The beneficial effects of the above technical scheme are that: set up threaded connection spare for location threaded connection spare, when realizing connecting protective case and negative pole tubular metal resonator, fix a position between two parties positive pole metal rod, avoid setting up alone positioning component.
Still further, the positioning threaded connector is an inner hexagonal threaded connector.
The beneficial effects of the above technical scheme are that: and the threaded connection mode is adopted, so that the installation and maintenance are convenient, the replacement of spare parts is convenient, and the cost is economic.
On the other hand, the utility model further discloses a linear combustor, which comprises the ignition electrode for the linear combustor, which is disclosed by any one of the technical schemes.
The beneficial effects of the above technical scheme are that: the high-temperature combustor comprising any one of the ignition electrodes in the technical scheme can effectively solve the problems of poor stability and short service life of the ignition rod at high temperature, so that the wiring of the ignition electrode is prevented from being arranged in the air duct, and the failure of the ignition electrode caused by the fact that a lead is scalded by high temperature in the air duct is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic front view of an ignition electrode of the present invention;
FIG. 2 is a schematic cross-sectional view of the ignition electrode of FIG. 1 taken along the line A-A;
the corresponding part names indicated by the numbers in the figures are as follows:
a positive electrode metal rod 1; a terminal 11; a positive firing end 12; a positive electrode solid needle 13; a positive pole hollow tube 14; a ferrule fitting assembly 2; a first ferrule fitting 21; a second ferrule fitting 22; a protective sleeve 3; a negative electrode metal tube 4; a connection end 41; a negative ignition terminal 42; an ignition contact 43; an internal thread joint 5; a welding end 51; a threaded end 52; a threaded connection 6; the threaded connector 61 is positioned.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the purpose of the utility model, the technical scheme provided by the utility model is as follows:
in some embodiments, as shown in fig. 1 and 2, an ignition electrode for a linear burner is disclosed, comprising: the device comprises a positive metal rod 1, a clamping sleeve joint component 2, a protective sleeve 3 and a negative metal tube 4; the two ends of the positive metal rod 1 are respectively a wiring end 11 and a positive ignition end 12, and an insulating layer is arranged outside the metal rod; the two ends of the negative metal tube 4 are respectively a connecting end 41 and a negative ignition end 42; the protective sleeve 3 is sleeved on the positive metal rod 1, and the wiring end 11 and the positive ignition end 12 of the positive metal rod 1 extend out of the protective sleeve 3; one end of the protective sleeve 3, which is close to the wiring terminal 11 of the positive metal rod 1, is connected with the positive metal rod 1 through the ferrule connector component 2; one end of the protective sleeve 3 close to the positive ignition end 12 of the positive metal rod 1 is connected with the connecting end 41 of the negative metal tube 4; the negative ignition end 42 of the negative metal tube 4 is close to but not in contact with the positive ignition end 12 of the positive metal rod 1 for discharge ignition.
The beneficial effects of the above technical scheme are that: the problem that the ignition electrode is prone to scalding the lead and causing the ignition electrode to lose efficacy in a high-temperature environment in the prior art is fully considered, the insulating layer is arranged outside the positive metal tube, on one hand, electric leakage is prevented, on the other hand, the heat insulation protection effect is achieved, therefore, the fact that the wiring of the ignition electrode is arranged in the air duct is avoided, and the problem that the ignition electrode loses efficacy due to the fact that the lead is scalded and damaged in the air duct at high temperature in the process is effectively avoided.
In other embodiments, as shown in fig. 1, the ferrule holder assembly 2 comprises a first ferrule holder 21 and a second ferrule holder 22, the first ferrule holder 21 is disposed on the side of the protection sleeve 3 close to the terminal 11 of the positive metal rod 1 for connecting the protection sleeve 3 and the positive metal rod 1; a second ferrule fitting 22 is provided on the outer surface of the protective sleeve 3 for mounting the ignition electrode on the linear burner.
The beneficial effects of the above technical scheme are that: the first clamping sleeve joint 21 is arranged, so that the protective sleeve 3 and the positive metal rod 1 can be conveniently and quickly assembled and disassembled; the second ferrule 22 is provided to facilitate adjustment of the mounting position for mounting the ignition electrode to the linear burner.
In other embodiments, as shown in fig. 1, the ignition electrode further comprises an inner wire joint 5, the inner wire joint 5 is provided with a welding end 51 and a threaded end 52, and the inner wire joint 5 is connected with the end of the protection sleeve 3 close to the terminal 11 of the positive electrode metal bar 1 through the welding end 51 in a welding manner.
The beneficial effects of the above technical scheme are that: the arrangement of the internal thread joint 5 is convenient for the processing and forming of the protective sleeve 3, and the processing cost is effectively reduced; additionally, the threaded end 52 of the internal thread fitting 5 facilitates threading the first ferrule fitting 21.
In other embodiments, as shown in fig. 2, the positive electrode metal rod 1 includes a positive electrode solid needle 13 and a positive electrode hollow tube 14, the positive electrode solid needle 13 is inserted into the positive electrode hollow tube 14, and the positive electrode hollow tube 14 is an insulating layer.
In other embodiments, as shown in fig. 2, the positive solid needle 13 and the positive hollow tube 14 can slide relatively; the first ferrule connector 21 is an adjustable ferrule connector, and the adjustable ferrule connector is in threaded connection with the threaded end 52 of the internal thread connector 5 to adjust and fix the relative connection position between the positive metal rod 1 and the protective sleeve 3.
The beneficial effects of the above technical scheme are that: the solid needle 13 of positive pole sets up to sliding relatively with anodal hollow tube 14, helps realizing that the whole length of ignition electrode is adjustable under the prerequisite that does not influence the insulating and heat-insulating protection to the solid needle 13 of positive pole, easily makes the standard component, is applicable to the ignition user demand of the linear combustor of different wind channel installation types.
In other embodiments, as shown in fig. 1 and 2, the negative firing end 42 of the negative metal tube 4 is provided with more than two firing contacts 43, the firing contacts 43 are uniformly arranged along the circumferential direction with the central axis of the negative metal tube 4, and a gap exists between two adjacent firing contacts 43.
The beneficial effects of the above technical scheme are that: more than two ignition contacts 43 are uniformly arranged along the circumferential direction of the cathode metal tube 4 and are annularly arranged, so that the discharge area is effectively increased, and the ignition success rate is improved.
In other embodiments, as shown in fig. 1 and 2, the ignition electrode further comprises a threaded connector 6, and the threaded connector 6 sequentially penetrates through the protective sleeve 3 and the negative metal tube 4 from outside to inside to connect the protective sleeve 3 and the negative metal tube 4.
Still further, the threaded connector 6 is a positioning threaded connector 61, and the end of the positioning threaded connector 61 is pressed against the positive electrode metal rod 1.
The beneficial effects of the above technical scheme are that: set up threaded connection spare 6 for location threaded connection spare 61, when realizing connecting protective sleeve 3 and negative pole tubular metal resonator 4, carry out the location placed in the middle to anodal metal rod 1, avoid setting up alone positioning component.
In other embodiments, as shown in FIG. 2, the positioning threaded connector 61 is a socket head connector.
The beneficial effects of the above technical scheme are that: and the threaded connection mode is adopted, so that the installation and maintenance are convenient, the replacement of spare parts is convenient, and the cost is economic.
In other embodiments, a linear burner is further disclosed, comprising the ignition electrode for a linear burner of any of the above-mentioned aspects.
The beneficial effects of the above technical scheme are that: the high-temperature combustor comprising any one of the ignition electrodes in the technical scheme can effectively solve the problems of poor stability and short service life of the ignition rod at high temperature, so that the wiring of the ignition electrode is prevented from being arranged in the air duct, and the failure of the ignition electrode caused by the fact that a lead is scalded by high temperature in the air duct is effectively avoided.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. An ignition electrode for a linear burner, comprising: the device comprises a positive metal rod, a clamping sleeve joint component, a protective sleeve and a negative metal pipe;
the two ends of the positive metal rod are respectively a wiring end and a positive ignition end, and an insulating layer is arranged outside the metal rod;
the two ends of the negative metal tube are respectively a connecting end and a negative ignition end;
the protective sleeve is sleeved on the positive electrode metal rod, and the wiring end and the positive electrode ignition end of the positive electrode metal rod extend out of the protective sleeve;
one end of the protective sleeve, which is close to the wiring end of the positive metal rod, is connected with the positive metal rod through the ferrule adapter assembly; one end of the protective sleeve, which is close to the positive ignition end of the positive metal rod, is connected with the connecting end of the negative metal tube;
the cathode ignition end of the cathode metal tube is close to but not in contact with the anode ignition end of the anode metal rod for discharging and igniting.
2. The ignition electrode for a linear burner of claim 1, wherein said ferrule assembly includes a first ferrule and a second ferrule, said first ferrule being disposed on a side of said protective sleeve proximate to said terminal end of said positive metal rod for connecting said protective sleeve to said positive metal rod; the second clamping sleeve joint is arranged on the outer surface of the protective sleeve and used for installing the ignition electrode on the linear combustor.
3. The ignition electrode for a linear combustor as claimed in claim 2, further comprising an inner wire joint having a welding end and a threaded end, wherein the inner wire joint is welded to an end of the protection sleeve near the terminal end of the positive electrode metal rod through the welding end.
4. The ignition electrode for the linear combustor according to claim 3, wherein the positive electrode metal rod comprises a positive electrode solid needle and a positive electrode hollow tube, the positive electrode solid needle is arranged in the positive electrode hollow tube in a penetrating mode, and the positive electrode hollow tube is the insulating layer.
5. The ignition electrode for the linear combustor as claimed in claim 4, wherein the positive solid needle and the positive hollow tube are relatively slidable; the first clamping sleeve joint is an adjustable clamping sleeve joint, and the adjustable clamping sleeve joint is in threaded connection with the threaded end of the inner thread joint and is used for adjusting and fixing the relative connection position between the positive metal rod and the protective sleeve.
6. The ignition electrode for the linear combustor according to claim 5, wherein the negative ignition end of the negative metal tube is provided with more than two ignition contacts, the ignition contacts are uniformly arranged along the circumferential direction around the central axis of the negative metal tube, and a gap exists between every two adjacent ignition contacts.
7. The ignition electrode for a linear burner as claimed in claim 1, further comprising a threaded connector passing through the protective sleeve and the negative electrode metal tube in sequence from outside to inside for connecting the protective sleeve and the negative electrode metal tube.
8. The ignition electrode for a linear burner as claimed in claim 7, wherein the threaded connection is a positioning threaded connection, the tip of which is pressed against the positive-pole metal rod.
9. The ignition electrode for a linear burner of claim 8, wherein the positioning threaded connector is a socket head threaded connector.
10. A linear burner comprising an ignition electrode for a linear burner as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123373364.9U CN216744448U (en) | 2021-12-29 | 2021-12-29 | Ignition electrode for linear combustor and linear combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123373364.9U CN216744448U (en) | 2021-12-29 | 2021-12-29 | Ignition electrode for linear combustor and linear combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216744448U true CN216744448U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123373364.9U Active CN216744448U (en) | 2021-12-29 | 2021-12-29 | Ignition electrode for linear combustor and linear combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216744448U (en) |
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2021
- 2021-12-29 CN CN202123373364.9U patent/CN216744448U/en active Active
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