CN111594870A

CN111594870A - Telescopic electric spark igniter under high pressure

Info

Publication number: CN111594870A
Application number: CN202010305065.2A
Authority: CN
Inventors: 胡东平; 曹永辉; 黄绎霖
Original assignee: Hebei Bit Power Technology Co ltd
Current assignee: Hebei Bit Power Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-08-28

Abstract

A telescopic electric spark igniter under high pressure comprises a rack, wherein a fuel tank is arranged on the rack, a fuel port is arranged at the top of the fuel tank, a first fixing hole and a second fixing hole are formed in the rack, an igniter frame, a clamping sleeve and an ignition rod are arranged in the first fixing hole, a through hole is formed in the igniter frame, an opening is formed in one end, facing the fuel port, of the igniter frame, the ignition rod is located in the through hole, the ignition rod comprises a rod body and a piston body, one end of the rod body is fixed with the piston body, an electrode frame is arranged in the second fixing hole and comprises a spark plug and a flexible electrode, the other end of the flexible electrode is fixed to the other end, extending out of the opening, of the rod body, the end of the flexible electrode is driven to move back and forth through the back and forth movement of the ignition rod, the end of, the flexible electrode can return under the driving of the ignition rod, and flame combustion is not interfered.

Description

Telescopic electric spark igniter under high pressure

Technical Field

The invention relates to the technical field of igniters, in particular to a telescopic electric spark igniter under high pressure.

Background

The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The burners are classified into industrial burners, civil burners and special burners according to types and application fields.

The traditional ignition mode is a fixed type igniter, and the igniter is operated at low pressure, although the igniter can also ignite the fuel at the fuel port, the ignition electricity is arranged beside the fuel port, so that interference can occur during flame combustion, the flame stability is poor, and the traditional low-pressure type igniter can not be used in a high-pressure environment any more, and the effect is not ideal.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the telescopic electric spark igniter which is simple in structure, convenient to operate and free from influencing flame.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the invention relates to a high-pressure telescopic electric spark igniter, which comprises a rack, wherein a fuel tank is arranged on the rack, a fuel port is arranged at the top of the fuel tank, a first fixing hole and a second fixing hole are arranged on the rack and are positioned at the side of the fuel port, the second fixing hole is arranged above the first fixing hole, an igniter frame, a clamping sleeve and an ignition rod are arranged in the first fixing hole, a through hole is arranged in the igniter frame, one end of the igniter frame, which faces the fuel port, is provided with an opening, the opening is connected with the through hole, the ignition rod is positioned in the through hole and comprises a rod body and a piston body, one end of the rod body is fixed with the piston body, the other end of the rod body extends out of the opening, the clamping sleeve is fixed at one end, which is far away from the fuel port, the clamping sleeve is provided with an air through hole, the air hole is connected, and an electrode frame is arranged in the second fixing hole, the electrode frame comprises a spark plug and a flexible electrode, the spark plug is fixed in the second fixing hole, one end of the flexible electrode is fixed on the spark plug, and the other end of the flexible electrode is fixed at the other end of the rod body extending out of the opening.

In order to firmly fix the whole igniter frame, the invention improves that the outer surface of the igniter frame is provided with external threads, the first fixing hole is provided with internal threads, and the igniter frame is fixed in the first fixing hole through the matching of the internal threads and the external threads.

In order to firmly fix the flexible electrode and ensure insulation, the invention has the improvement that the rod body is provided with an insulation clamp, and the flexible electrode is fixed on the insulation clamp.

In order to ensure insulation and prolong the service life of the whole clamp, the invention has the improvement that the insulation clamp is made of ceramic.

In order to facilitate disassembly and fixation, the invention has the improvement that the insulation clamp comprises an upper clamp and a lower clamp, one side of the upper clamp and one side of the lower clamp are hinged with each other, first clamp teeth are axially arranged on the other side of the upper clamp, second clamp teeth matched with the first clamp teeth are axially arranged on the other side of the lower clamp, a channel for a flexible electrode to pass through is formed between the upper clamp and the lower clamp, through holes are axially arranged on the upper clamp and the lower clamp, the insulation clamp further comprises a fixing pin, and the fixing pin sequentially penetrates through the through holes of the upper clamp and the lower clamp to fix the upper clamp and the lower clamp.

(III) advantageous effects

Compared with the prior art, the invention provides a telescopic electric spark igniter under high pressure, which has the following beneficial effects:

according to the high-voltage telescopic electric spark igniter, the end part of the flexible electrode is driven to move back and forth through the back and forth movement of the ignition rod and reaches an ignition point in the moving process, after flame is ignited, the flexible electrode can return under the driving of the ignition rod without interfering the combustion of the flame, a high-voltage driving spark plug can be adopted, the adaptability is high, the operation is convenient, and the use is simple.

Drawings

FIG. 1 is a diagram of the high-pressure retractable electric spark igniter of the invention in a use state 1;

FIG. 2 is a diagram of the high-pressure retractable spark igniter of the invention in use state 2;

FIG. 3 is a state diagram 1 of the insulating clamp of the retractable electric spark igniter under high voltage according to the invention;

fig. 4 is a state diagram 2 of the insulation clamp of the telescopic electric spark igniter under high voltage.

In the figure: 1. a frame; 2. a fuel port; 3. a first fixing hole; 4. a second fixing hole; 5. an igniter frame; 6. a card sleeve; 7. a through hole; 8. opening a hole; 9. a rod body; 10. a piston body; 11. air passing holes; 12. a spark plug; 13. a flexible electrode; 14. an insulating clamp; 15. clamping; 16. clamping; 17. a first latch; 18. a second latch; 19. and fixing the pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the retractable electric spark igniter under high pressure according to the present invention includes a frame 1, a fuel tank is disposed on the frame 1, a fuel port 2 is disposed at the top of the fuel tank, a first fixing hole 3 and a second fixing hole 4 are disposed at a side of the fuel port 2 of the frame 1, the second fixing hole 4 is disposed above the first fixing hole 3, an igniter holder 5, a ferrule 6 and an ignition rod are disposed in the first fixing hole 3, a through hole 7 is disposed in the igniter holder 5, an opening 8 is disposed at an end of the igniter holder 5 facing the fuel port 2, the opening 8 is connected to the through hole 7, the ignition rod is disposed in the through hole 7, the ignition rod includes a rod body 9 and a piston body 10, one end of the rod body 9 is fixed to the piston body 10, the other end of the rod body 9 extends out of the opening 8, the ferrule 6 is fixed at an end of the ignition 5 away from the fuel port 2, the electrode holder is characterized in that an air hole 11 is formed in the clamping sleeve 6, the air hole 11 is connected with the through hole 7, the air hole 11 is connected with an external air box, an electrode holder is arranged in the second fixing hole 4 and comprises a spark plug 12 and a flexible electrode 13, the spark plug is fixed in the second fixing hole 4, one end of the flexible electrode 13 is fixed on the spark plug 12, and the other end of the flexible electrode 13 is fixed at the other end, extending out of the opening, of the rod body 9.

Retractable electric spark ignition ware under high pressure of novel structure, spark plug 12 adopts welded fastening with flexible electrode 13's contact, when fuel mouth 2 is lighted to needs, through the removal of gas tank control piston body 10, when piston body 10 inwards removed, drive the body of rod 9 and remove towards fuel mouth 2, drive flexible electrode 13 on the body of rod 9 and remove, in-process that removes is close fuel mouth 2, make spark plug 12 begin to move through the high pressure, send the pulse high-voltage electricity discharge that the high-voltage wire sent, puncture flexible electrode 13 air between, light fuel mouth 2, light the corresponding activity of back gas tank, pull back piston body 10, light the pole return, avoid influencing the flame of whole fuel mouth 2, it is steady to remove, and the reaction is rapid, flame burning is stable, can adaptation 25 MPa's high pressure, good adaptability.

In this embodiment, the outer surface of the igniter holder 5 is provided with an external thread, the first fixing hole 3 is provided with an internal thread, the igniter holder 5 is fixed in the first fixing hole 3 by the matching of the internal thread and the external thread, and the igniter holder 5 is firmly fixed by the threaded connection and is convenient to detach.

In this embodiment, the rod body 9 is provided with an insulating clamp 14, the flexible electrode 13 is fixed on the insulating clamp 14, and specifically, the insulating clamp 14 is made of ceramic, so that the heat resistance is improved while the insulating clamp is insulating.

In this embodiment, referring to fig. 3 and 4, the insulating clip 14 includes an upper clip 15 and a lower clip 16, one side of the upper clip 15 and one side of the lower clip 16 are hinged to each other, a first latch 17 is axially disposed on the other side of the upper clip 15, a second latch 18 matched with the first latch 17 is axially disposed on the other side of the lower clip 16, a channel for the flexible electrode 13 to pass through is formed between the upper clip 15 and the lower clip 16, both the upper clip 15 and the lower clip 16 are axially provided with through holes, the insulating clip 14 further includes a fixing pin 19, and the fixing pin 19 sequentially passes through the through holes of the upper clip 15 and the lower clip 16 to fix the upper clip 15 and the lower clip 16.

Through the setting of upper and lower clamping 16, make things convenient for placing of flexible electrode 13, sufficient clamp force has made things convenient for drive flexible electrode 13 to remove moreover, and the effect is ideal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-pressure telescopic electric spark igniter comprises a rack (1) and is characterized in that a fuel tank is arranged on the rack (1), a fuel port (2) is arranged at the top of the fuel tank, a first fixing hole (3) and a second fixing hole (4) are formed in the rack (1) and located beside the fuel port (2), the second fixing hole (4) is formed above the first fixing hole (3), an igniter frame (5), a clamping sleeve (6) and an ignition rod are arranged in the first fixing hole (3), a through hole (7) is formed in the ignition frame (5), an opening (8) is formed in one end, facing the fuel port (2), of the igniter frame (5), the opening (8) is connected with the through hole (7), the ignition rod is located in the through hole (7), the ignition rod comprises a rod body (9) and a piston body (10), one end of the rod body (9) is fixed with the piston body (10), the other end of the rod body (9) extends out of the opening (8), the clamping sleeve (6) is fixed at one end, far away from the fuel port (2), of the igniter frame (5), the clamping sleeve (6) is provided with the air hole (11), the air hole (11) is connected with the through hole (7), the air hole (11) is connected with an external air box, the electrode frame is arranged in the second fixing hole (4), the electrode frame comprises a spark plug (12) and a flexible electrode (13), the spark plug is fixed in the second fixing hole (4), one end of the flexible electrode (13) is fixed on the spark plug (12), and the other end of the flexible electrode (13) is fixed at the other end, far out of the opening, of the rod body (9).

2. The telescopic electric spark igniter under high pressure according to claim 1, wherein the outer surface of the igniter frame (5) is provided with an external thread, the first fixing hole (3) is provided with an internal thread, and the igniter frame (5) is fixed in the first fixing hole (3) through the matching of the internal thread and the external thread.

3. A telescopic electric spark igniter under high voltage as claimed in claim 1, wherein said rod (9) is provided with an insulating clamp (14), and said flexible electrode (13) is fixed on said insulating clamp (14).

4. The telescopic electric spark igniter under high voltage as claimed in claim 1, wherein the insulating clamp (14) is made of ceramic.

5. The retractable electric spark igniter under high pressure as claimed in claim 1, the insulation clip (14) comprises an upper clip (15) and a lower clip (16), one side of the upper clamp (15) is hinged with one side of the lower clamp (16), the other side of the upper clamp (15) is axially provided with a first clamp tooth (17), the other side of the lower clamp (16) is axially provided with a second clamp tooth (18) matched with the first clamp tooth (17), a channel for the flexible electrode (13) to pass through is formed between the upper clamp (15) and the lower clamp (16), the upper clamp (15) and the lower clamp (16) are provided with through holes in the axial direction, the insulation clamp (14) further comprises a fixing pin (19), the fixing pin (19) penetrates through the through holes of the upper clamp (15) and the lower clamp (16) in sequence to fix the upper clamp (15) and the lower clamp (16).

6. A telescopic spark igniter at high voltage as claimed in claim 1, wherein the contact between the spark plug (12) and the flexible electrode (13) is fixed by welding.