CN2747479Y

CN2747479Y - Laser ignition gun

Info

Publication number: CN2747479Y
Application number: CN 200420036682
Authority: CN
Inventors: 王金祥
Original assignee: SHANGHAI TONGJI HIGH-TECH DEVELOPMENT Co Ltd
Current assignee: SHANGHAI TONGJI HIGH-TECH DEVELOPMENT Co Ltd
Priority date: 2004-06-23
Filing date: 2004-06-23
Publication date: 2005-12-21
Anticipated expiration: 2014-06-23

Abstract

The utility model discloses a laser ignition gun, comprising an ignition gun and a laser ignitor. The ignition gun comprises a gun body, a mixing device and a firing cover, the laser ignitor comprises a laser ignition nozzle that is used for firing the mixing combustible gas in the firing cover, the gun body is fixedly provided with a laser generator whose laser ejection end points to one side of the firing cover, and the laser ignition nozzle is arranged between the laser generator and the firing cover and extends into the firing cover. The central line of the laser beam emitted by the laser generator and the central line of the laser ignition nozzle are in the same straight line. The laser ignition gun of the utility model utilizes the laser energy to ignite, and solves the problem that the electric ignition type electrode is corroded, damaged, charred, etc. at high temperature to cause that the ignition system is unable to normally work. The laser ignition gun improves the reliability of the ignition and the lifespan of the ignition system, has simple ignition process and simple structure, and is favorable for mount and maintenance.

Description

Laser Igniting Gun

Affiliated technical field

The utility model relates to a kind of igniter, particularly a kind of Laser Igniting Gun that utilizes laser as ignition energy.

Background technology

All need igniter to light these equipment in many occasions such as boiler, burner, industrial furnace, torch, coal gas diffusion systems.Existing igniter mainly is electric ignition, utilizes high-tension electricity igniting, arc ignition and the red-hot three kinds of modes of electricity to come pilot flame.A kind of form commonly used is a burning torch in the igniter, is made up of firing gun body and electric igniting part, and electric igniting part includes electric igniting element and electrode, wherein electric igniting element produces electric spark by electrode, the point of ignition firelock forms stable ignition flame, thereby finishes the igniting task.But the electrode of above-mentioned burning torch is among the high temperature of ignition flame, tie carbon, corrosion and damage easily, thereby possibility loss of ignition, cause the ignition system cisco unity malfunction, there is weak point in existing this series products to some extent at aspects such as IGNITION CONTROL, installation, reliability, maintainability and life-spans simultaneously.

Summary of the invention

Technical problem to be solved by this invention is the present situation at prior art, and a kind of Laser Igniting Gun that utilizes laser as ignition energy is provided, the reliability height, be convenient to install, control is simple, and is applied widely and the life-span is longer.

The technical scheme that its technical problem that solves the utility model adopts is: this Laser Igniting Gun comprises the rifle body, blender, the cover of igniting, laser power supply, laser generator and laser point nozzles; Described blender is installed on an end of rifle body, form burning mixture, the described cover of igniting is installed on the other end of described rifle body, be used to form and give birth to and keep ignition flame, described laser power supply is the laser generator power supply, described laser generator is fixed on the rifle body, and its laser ejecting end is towards described cover one side of igniting; Described laser point nozzles are installed on described generating laser and ignite between the cover, and stretch in the cover of igniting; The center line of described laser generator emitted laser bundle and the center line of laser point nozzles point-blank, by these laser point nozzles ignite described ignite the cover in the mixed combustible gas body, thereby light Laser Igniting Gun.

Described laser point nozzles comprise beam condensing unit; ignitor electrode; high temperature resistance and high strength pottery protection piece; upper conduit and downcomer; described high temperature resistance and high strength pottery protection piece is installed in the head end of the upper conduit of laser point nozzles; and there is a hole in central authorities; described ignitor electrode is installed in this hole; downcomer is installed in the tail end of upper conduit; towards laser generator; described beam condensing unit is installed between upper conduit and the downcomer; and and the axial distance between the ignitor electrode is the focal length of beam condensing unit, and described laser generator emitted laser bundle is concentrated on ignitor electrode behind beam condensing unit.Last downcomer is equipped with high temperature resistant pad by the coaxial connection of connector between upper conduit and beam condensing unit.Described beam condensing unit is a condenser.

Laser generator and laser point nozzles can be installed on the rifle external body, and both common center line are parallel with rifle body center line; Also can be installed on rifle body inside, both common center line and rifle body central lines.

Described laser point nozzles are installed on the cover of igniting by being threaded, and stretch in the cover of igniting.Described blender forms burning mixture by injection or Forced Mixing.Described Laser Igniting Gun comprises also laser generator is fixed in fixed mount on the burning torch rifle body that this fixed mount is divided into upper holder and lower fixed frame, lays respectively at the two ends of described laser generator.

The beneficial effects of the utility model are, utilize the laser energy igniting, solved the problem that reasons such as the high temperature bottom electrode corrosion and damage that exists under the electric ignition mode, knot carbon cause the ignition system cisco unity malfunction, the reliability of igniting and the life-span of ignition system have been improved, and the ignition process process is simple, help using automatic control technology to realize automatic igniting, whole device simple in structure helps installation and maintenance.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a laser tube outlet structure schematic diagram of the present utility model;

Fig. 2 is the built-in structural representation of laser tube of the present utility model;

Fig. 3 is a laser ignition mouth structure schematic diagram of the present utility model.

The specific embodiment

In Fig. 1, one end of Laser Igniting Gun rifle body 6 is equipped with blender 8, this blender forms burning mixture by injection or Forced Mixing, the other end of rifle body 6 is equipped with the cover 7 of igniting, this hood-shaped one-tenth and keep ignition flame of igniting, laser point nozzles 5 stretch in the cover 7 of igniting and are fixed on the rifle body 6 by being threaded, laser generator 4 is fixed in the middle part of rifle body 6 by upper holder 3 and lower fixed frame 2, and by laser power supply 1 power supply.Laser generator 4 and laser point nozzles 5 are installed on rifle body 6 outsides, and the laser beam center line that laser generator 4 sends and the center line of laser point nozzles 5 are in alignment, and parallel with the center line of rifle body 6.Laser generator 4 does not directly contact mutually with laser point nozzles 5.

Fig. 2 has provided and has realized another structure of the present utility model, wherein laser generator 4 and laser point nozzles 5 also can be installed on rifle body 6 inside, the laser beam center line that laser generator 4 sends and the center line of laser point nozzles 5 are in alignment, and with the central lines of rifle body 6.

Laser generator 4 and laser point nozzles 5 can contactlessly be installed, and also can contact install.

Referring to shown in Figure 3; laser point nozzles 5 are made up of ignitor electrode 9, high temperature resistance and high strength pottery protection piece 10, upper conduit 11, high temperature resistant pad 12, condenser 13 and the coaxial successively installation of downcomer 14; wherein high temperature resistance and high strength pottery protection piece 10 central authorities have a hole vertically; ignitor electrode 9 is installed in this hole; high temperature resistance and high strength pottery protection piece 10 is installed in the head end of upper conduit 11; the tail end of upper conduit 11 is connected with downcomer 14 through high temperature resistant pad 12, condenser 13 successively, and ignitor electrode 9 equates with the focal length of condenser with the axial distance of condenser 13.Last downcomer can connect by bolt and nut or other modes.

Details are as follows for the course of work of the present utility model: after receiving the signal of lighting Laser Igniting Gun, laser power supply 1 work, be powered at laser generator 4, laser generator 4 gives off laser beam, behind condenser 13 optically focused in the laser point nozzles 5, directive ignitor electrode 9, the ignitor electrode 9 instantaneous high density energies of gathering, light the burning mixture in the cover 7 of igniting, form some flame, the burning mixture of rifle body 6 ejections of igniting forms stable flame, disconnect Laser Power Devices 1 subsequently, Laser Igniting Gun keeps the fired state of continous-stable; Stop the supply of Laser Igniting Gun fuel gas and can extinguish burning torch flame.

Claims

1. Laser Igniting Gun, partly form by burning torch part and Laser Igniter, described burning torch partly comprises the rifle body, blender, the cover of igniting, described blender is installed on an end of rifle body, form burning mixture, the described cover of igniting is installed on the other end of described rifle body, be used to form and keep ignition flame, described Laser Igniter partly comprises laser power supply and laser generator, and laser power supply is the laser generator power supply, it is characterized in that: described Laser Igniter part also comprises being used to ignite ignite covers the laser point nozzles of interior mixed combustible gas body; Described laser generator is fixed on the rifle body, and its laser ejecting end is towards described cover one side of igniting; Described laser point nozzles are installed on described generating laser and ignite between the cover, and stretch in the cover of igniting; The center line of described laser generator emitted laser bundle and the center line of laser point nozzles are point-blank.

2. Laser Igniting Gun according to claim 1; it is characterized in that: described laser point nozzles comprise beam condensing unit; ignitor electrode; high temperature resistance and high strength pottery protection piece; upper conduit and downcomer; described high temperature resistance and high strength pottery protection piece is installed in the head end of the upper conduit of laser point nozzles; and there is a hole in central authorities; described ignitor electrode is installed in the hole of high temperature resistance and high strength pottery protection piece; described downcomer is installed in the tail end of upper conduit; towards laser generator; described beam condensing unit is installed between upper conduit and the downcomer; and and the axial distance between the described ignitor electrode is the focal length of beam condensing unit, and described laser generator emitted laser bundle is concentrated on ignitor electrode behind beam condensing unit.

3. Laser Igniting Gun according to claim 1 and 2 is characterized in that: described laser generator and laser point nozzles are installed on the rifle external body, and both common center line are parallel with rifle body center line.

4. Laser Igniting Gun according to claim 1 and 2 is characterized in that: described laser generator and laser point nozzles are installed on rifle body inside, both common center line and rifle body central lines.

5. Laser Igniting Gun according to claim 1 and 2 is characterized in that: described laser point nozzles are installed on the cover of igniting by being threaded, and stretch in the cover of igniting.

6. Laser Igniting Gun according to claim 1 and 2 is characterized in that: described blender forms burning mixture by injection or Forced Mixing.

7. Laser Igniting Gun according to claim 1 and 2 is characterized in that: described Laser Igniting Gun comprises a fixed mount, and described laser generator is fixed on the burning torch rifle body by this fixed mount.

8. Laser Igniting Gun according to claim 7 is characterized in that: described fixed mount comprises upper holder and lower fixed frame, lays respectively at the two ends of described laser generator.

9. Laser Igniting Gun according to claim 2 is characterized in that: the described downcomer of going up is equipped with high temperature resistant pad by the coaxial connection of connector between upper conduit and beam condensing unit.

10. Laser Igniting Gun according to claim 2 is characterized in that: described beam condensing unit can be condenser.