WO2019174632A1 - Laser cigarette lighter - Google Patents

Abstract

A laser cigarette lighter, comprising: a housing (1) and a cigarette lighting cylinder (2) separately arranged inside the housing (1). The cigarette lighting cylinder (2) is provided with a cavity for accommodating a cigarette. At least one laser ignition device is arranged on the periphery of the cigarette lighting cylinder (2), the laser spot produced by the laser ignition device converging on the interior of the cavity. The present lighter uses multiple laser ignition devices distributed around the cigarette lighting cylinder (2). When a cigarette is inserted into the cigarette lighting cylinder (2), multiple points around the front and back of the cigarette can be lit at the same time, increasing cigarette lighting efficiency and decreasing the laser power required from a semiconductor laser (3), improving the heat-dissipation efficiency of the housing (1), and preventing the housing (1) from becoming hot. Cigarette lighting can be accomplished manually by pressing a button, or automatically.

Description

Laser cigarette lighter

Cross-reference to related applications

The present application claims priority to Chinese Patent Application No. 201102362, 392, filed on March 16, 2018, the entire disclosure of which is incorporated herein by reference. .

Technical field

The present application relates to the field of semiconductor laser applications, and in particular to a laser cigarette lighter.

Background technique

Semiconductor lasers have the advantages of small size, light weight, high electro-optical conversion efficiency, long working life and high reliability. They are widely used in laser processing, laser illumination, laser medical treatment and laser ignition. The advantages of small size of the semiconductor laser can be used as a cigarette lighter. Compared with the traditional lighter fueled by oil and gas, it is energy-saving and environmentally friendly, and has no explosion hazard. Compared with the electric wire and the arc cigarette lighter, it is more energy-saving and has no high-voltage short-circuit hazard.

Summary of the invention

The application proposes a laser cigarette lighter, which does not use organic fuel, is energy-saving and environmentally friendly, and is safe and convenient to use.

To achieve the above objectives, the specific scheme of the present application is as follows:

A laser cigarette lighter comprising: a casing and a cigarette lighter disposed inside the casing; the cigarette cylinder is provided with a cavity for accommodating cigarettes, and at least one laser ignition device is disposed at a periphery of the cigarette cartridge, the laser The laser spot generated by the ignition device converges into the cavity.

Further, the laser ignition device is a semiconductor laser.

Further, in order to improve the efficiency of the cigarette, the laser ignition device may further be: a semiconductor laser and a laser lens arranged in sequence; the laser lens converges the laser spot of the semiconductor laser into the cavity of the cigarette lighter for igniting the cigarette.

Further, the laser lens of the laser ignition device is a positive lens, preferably a cylindrical lens, which converges the laser spot into a thin strip type spot to increase the laser spot area.

Further, the laser ignition device surrounds the periphery of the cigarette lighter, and the laser light spots generated by the laser ignition device are located on the same plane. This ensures that the ignition point is at the same height of the cigarette but avoids igniting different locations of the cigarette at the same time.

Further, the method further includes: a power supply unit, the power supply unit being connected to the laser ignition device.

Further, the power supply unit includes: a battery and a constant current source circuit connected to the battery.

Further, the method further includes: a photodetecting unit disposed on an inner wall of the cigarette lighter, wherein the photodetecting unit is coupled to a switch of the laser ignition device.

The beneficial effects of the application are:

The present application uses a plurality of laser ignition devices distributed around the cigarette chimney to generate a plurality of laser spots on the same plane in the cigarette chimney. After the cigarette is inserted into the chimney, the laser spot can simultaneously smoke cigarettes at multiple points before and after the cigarette, increasing the number of cigarettes. Cigarette efficiency. The laser power requirement of the semiconductor laser is reduced, which is beneficial to improving the heat dissipation efficiency of the housing and does not cause the housing to generate heat. You can use the manual button to smoke or automatically smoke.

DRAWINGS

Figure 1 is a schematic view of the structure of the device of the present application;

2 is a schematic structural view 2 of the device of the present application;

Figure 3 is a schematic structural view of the device of the present application;

Figure 4 is a top view of the apparatus of the present application;

Figure 5 is a schematic structural diagram 5 of the apparatus of the present application;

Among them, 1. housing, 2. cigarette lighter, 3. semiconductor laser, 4. laser lens, 5. constant current source circuit, 6. battery, 7. photoelectric detection unit, 8. cigarette, 9. power button, 10. The laser converges the spot.

detailed description

The present application is further described below in conjunction with the accompanying drawings.

A portable multifunctional laser cigarette lighter, as shown in FIG. 1 , comprises: a housing 1 , a cigarette lighter 2 , a laser ignition device and a power supply unit;

The cigarette unit 2 is located in the middle of the housing 1 and can be inserted into the cigarette 8. The plurality of laser ignition devices are distributed around the cigarette holder in the housing, and the power supply unit supplies power to the laser ignition device. It should be noted that the cigarette unit 2 is disposed in the housing 1. The position is not limited to the middle of the housing, but can be adjusted as needed.

As shown in FIG. 2, the laser ignition device includes a semiconductor laser.

Further, as shown in FIG. 3, in order to improve the cigarette light efficiency, the laser ignition device may be: a semiconductor laser 3 and a laser lens 4 disposed in sequence; the laser lens 4 is a positive lens, preferably a cylindrical lens, and the laser spot is concentrated into A thin strip of light increases the area of the laser cigarette.

The laser lens 4 converges the laser spot of the semiconductor laser into the cigarette holder 2 for igniting the cigarette, and the cigarette head is ignited after it hits the laser converging spot 10.

Further, the power supply unit is electrically connected to the laser ignition device to supply power to the semiconductor laser, including the constant current source circuit 5 and the battery 6.

Embodiment 1

As shown in Figures 1 and 3, in the housing 1, two laser ignition devices are distributed around the cigarette in the housing, and the laser convergence spot generated by the laser ignition device is located in the same horizontal plane in the cigarette chimney, thus ensuring that the laser converging spot ignites the cigarette butt. At the same height, instead of igniting cigarette butts, some ignite the middle of the cigarette.

The laser ignition device comprises a semiconductor laser 3 and a laser lens 4 placed in a front direction of the laser, wherein the laser lens 4 is a cylindrical lens, and a linear laser converging spot 10 is generated in the cigarette holder, and the cigarette 8 is inserted into the chimney 2 and hits the laser. After the spot 10 is concentrated, the power supply unit is powered by the laser ignition device; the power supply unit includes the constant current source circuit 5 and the battery 6. As shown in FIG. 3, the power button 9 is provided on the outer casing. When the cigarette is smoked, the cigarette 8 is inserted downward into the cigarette holder 2, and the cigarette light button 9 on the housing 1 is pressed, and the laser 3 is activated to perform cigarette light. After releasing button 9, the cigarette is over.

Embodiment 2

As shown in FIG. 5, the three laser ignition devices are distributed in parallel around the cigarette unit 2 in the housing 1 or the laser converging spots are located in the same horizontal plane, so that the laser converging spot can ignite the same height of the cigarette but not some of the ignition. Some cigarette butts ignite the middle of the cigarette.

The laser ignition device comprises a vertical cavity surface emitting semiconductor laser 3, and a laser lens 4 placed in front of the laser, wherein the laser lens 4 is a positive lens, the laser ignition device produces a circular laser converging spot 10 in the cigarette cylinder 2, and the cigarette 8 insertion point After the chimney 2, it can be ignited after hitting the laser converging spot 10, and the power supply unit supplies power to the laser ignition device; the power supply unit includes the constant current source circuit 5 and the battery 6. There is a power button 9 on the outer casing. When the cigarette is smoked, the cigarette head 8 is inserted downward into the cigarette holder 2, and the cigarette light button 9 on the housing 1 is pressed, the laser 3 is activated, the cigarette is smoked, and the button 9 is released after the click. The cigarette is over.

Embodiment 3

On the basis of the first embodiment or the second embodiment, the cigarette lighter 2 has a photoelectric detecting unit 7 as shown in FIG. 3. When the cigarette 8 is inserted, the photoelectric detecting unit detects the cigarette 8, turns on the laser 3, and performs laser light cigarette. After the cigarette is pulled out of the chimney, the photodetector does not detect the cigarette, turns off the laser, and ends the cigarette.

For the embodiment in which the photodetector 7 is mounted on the cigarette wall, the insertion of the cigarette 8 can be automatically detected, the laser is started to perform laser lighting, and after the cigarette 8 is pulled out, the laser is automatically turned off to complete the cigarette smoking process.

The above description of the specific embodiments of the present application is described in conjunction with the accompanying drawings, but is not intended to limit the scope of the application, and those skilled in the art should understand that those skilled in the art do not need to work creatively on the basis of the technical solutions of the present application. Various modifications or variations that can be made are still within the scope of the present application.

Claims (9)

A laser cigarette lighter, comprising: a housing and a cigarette lighter disposed inside the housing; the cigarette light cylinder is provided with a cavity for accommodating cigarettes, and at least one laser is disposed on a periphery of the cigarette holder An ignition device, the laser spot generated by the laser ignition device converges into the cavity. A laser cigarette lighter according to claim 1, wherein said laser ignition device is a semiconductor laser. A laser cigarette lighter according to claim 1, wherein said laser ignition device comprises: a semiconductor laser and a laser lens arranged in sequence; said laser lens concentrating a laser spot of said semiconductor laser to said Inside the cavity of the cigarette holder for igniting the cigarette. A laser cigarette lighter according to claim 3, wherein said laser lens of said laser ignition device is a positive lens. A laser cigarette lighter according to claim 4, wherein said positive lens is a cylindrical lens. A laser cigarette lighter according to claim 1, wherein said laser ignition means surrounds a periphery of said cigarette lighter, and said laser light generating means generates a laser spot focus on the same plane in said cigarette holder on. A laser cigarette lighter according to claim 1, further comprising: a power supply unit, said power supply unit being coupled to said laser ignition device. A laser cigarette lighter according to claim 7, wherein said power supply unit comprises: a battery and a constant current source circuit connected to said battery. A laser cigarette lighter according to claim 1, further comprising: a photodetecting unit, said photodetecting unit being disposed on an inner wall of said cigarette lighter, said photodetecting unit and said laser ignition device Switch connection.

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