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High-strength discharge point light source

A discharge point and light source technology, which is applied in the direction of discharge lamps, gas discharge lamps, parts of gas discharge lamps, etc., can solve the problems of short life, shortened life, low light efficiency, etc., and achieve long life, fast start, and beam range far effect

Inactive Publication Date: 2007-04-04
广东星光发展股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, incandescent lamps with relatively compact structures were used. This kind of light has low efficiency, small luminous flux, and large optical center size. It is impossible to obtain an ideal beam, and its life is short and energy consumption is high. Usually, it can only be used as a portable ordinary light source.
After changing the halogen tungsten lamp, the situation has improved, but the above disadvantages still exist
In recent years, the situation has been improved after switching to a low-power (35--50) W metal halide lamp, but because it is filled with low-pressure argon, the luminous flux rises slowly after starting up, and it takes at least 5 minutes before it can be turned on. Close to stability, the lamp cannot be started immediately after it is turned off, and it needs to be cooled for 5 minutes before it can be ignited again. At the same time, the distance between the electrodes is large, resulting in poor focusing effect. If the distance between the electrodes is shortened, the service life will be severely shortened. satisfy

Method used

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  • High-strength discharge point light source
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  • High-strength discharge point light source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The lamp of this embodiment is provided with a spherical or ellipsoidal arc tube 1, and the two ends of the arc tube are respectively provided with a first sealing neck 2a and a second sealing neck 2b which are mutually contracted and sealed at an angle of 180 degrees. The arc tube of the lamp is filled with xenon gas above 6 atmospheres, and the mercury vapor pressure is 100 atmospheres. The distance between electrodes was set to 0.5mm. A mixed halogen circulation agent composed of 50% iodide and 50% bromide is added to the arc tube to make the concentration in the bulb reach 2ppm; NaI is also added to the arc tube to reach a concentration of 0.2 per cubic centimeter in the bulb. mg. The power of the lamp is 10W. In this embodiment, a parabolic reflector can be used to form a long-range light beam emitted forward. The range is greater than 1.5Km, and the divergence angle of the light is less than 3 degrees. At the rear of the parabolic reflector, a ballast and a high...

Embodiment 2

[0021] The lamp of this embodiment is provided with a spherical or ellipsoidal arc tube 1, and the two ends of the arc tube are respectively provided with a first sealing neck 2a and a second sealing neck 2b which are mutually contracted and sealed at an angle of 180 degrees. The arc tube of this lamp is filled with 4 atmospheres of xenon gas, and the mercury vapor pressure is 80 atmospheres. The distance between electrodes was set to 2.5mm. A mixed halogenating agent composed of 30% I and 70% Br is added to the arc tube to make the concentration in the bulb reach more than 3ppm; DyI is also added to the arc tube 3 , the concentration is 1 mg per cubic centimeter in the bulb. The power of this lamp is 70W. This embodiment etc. can be equipped with an ellipsoidal reflector (as shown in Figure 2), the light beam is focused on another focal point of the ellipsoid, is coupled through an optical coupler and an optical fiber and transmits the light to any desired location, the pow...

Embodiment 3

[0023] The lamp of this embodiment is provided with a spherical or ellipsoidal arc tube 1, and the two ends of the arc tube are respectively provided with a first sealing neck 2a and a second sealing neck 2b which are mutually contracted and sealed at an angle of 180 degrees. The arc tube of this lamp is filled with 2 atmospheres of xenon gas and the mercury vapor pressure is 80 atmospheres. The distance between electrodes was set to 3mm. Add a mixed halogenating agent composed of 70% I and 30% Br in the mass ratio to the arc tube, so that the concentration in the bulb reaches 10 ppm; TlI is also added in the arc tube, and the concentration reaches 2 mg per cubic centimeter in the bulb. The power of this lamp is 150W. This embodiment can be equipped with an ellipsoidal reflector, the light beam is focused on another focal point of the ellipsoid, and the light is coupled and transmitted through an optical coupler and an optical fiber. In this example, the power supply can be a...

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Abstract

The invention discloses a high strength spot light source and includes the spherical or axiolitic arc tube. The two ends of the arc tube have first neck body and second neck body with the inclination of 180 degree, whose diameters are contractive and sealed. There are the first end electrode and the second end electrode in the arc tube, which connect with the corresponding outer lead wires through the electric conductors in the corresponding neck bodies. The distance between the two electrodes is fixed between 0.5mm and 5mm. There are high voltage inert gases, an amount of mercury, mixed halogen circulation agent and metal halide in the arc tube. The spot light source of the invention can produce the light with high intensity and small angle of divergence, has the advantages of quick start-up, long useful life, long cannon-shot, convenient schleppingb high efficiency and energy saving and is adaptable to be applied to the illumination in the military affairs, frontier defense, public security, diving, coast defense, ocean exploration, field work in the night and mines.

Description

technical field [0001] The invention relates to a discharge point light source, in particular to a high-pressure xenon metal halide discharge point light source. technical background [0002] A point source is a must for producing a long-range beam. In the past, incandescent lamps with relatively compact structures were used. This kind of light has low efficiency, small luminous flux, and large optical center size. After changing the tungsten halogen lamp, the situation has improved, but the above disadvantages still exist. In recent years, the situation has been improved after switching to a low-power (35--50) W metal halide lamp, but because it is filled with low-pressure argon, the luminous flux rises slowly after starting up, and it takes at least 5 minutes before it can be turned on. Close to stability, the lamp cannot be started immediately after it is turned off, and it needs to be cooled for 5 minutes before it can be ignited again. At the same time, the distance b...

Claims

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Application Information

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IPC IPC(8): H01J61/073H01J61/12H01J61/82
Inventor 杨正名高光义张明柴国生
Owner 广东星光发展股份有限公司
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