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Deuterium lamp with striking resistance

A resistance and deuterium lamp technology, applied in the field of deuterium lamps, can solve the problems of poor excitation effect of deuterium lamps, low power supply current energy, low power supply power, etc., and achieve the effect of improving the qualification rate, increasing energy, and ensuring triggering performance.

Inactive Publication Date: 2007-08-08
殷尧平
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Because the triggering of the deuterium lamp requires a large current energy between the cathode and the anode, but the domestic traditional ultraviolet spectrophotometer (the main instrument using the deuterium lamp) is designed to trigger the power supply of the deuterium lamp due to consideration of the service life of the deuterium lamp. It is always relatively low, the voltage is about 300V, and the international general trigger voltage standard is 500V, so the current energy of the domestic power supply is low, and the excitation effect on the deuterium lamp with the current structure is poor

Method used

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  • Deuterium lamp with striking resistance

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Embodiment Construction

[0013] As shown in the accompanying drawing 1, there is a deuterium lamp cross-sectional structure with a starting resistance, which has a cylindrical transparent glass bulb 4, anode 1, cathode 2, nickel shell 3 and a nickel shell fixing rod 6 for supporting and fixing the nickel shell 3. , extend the nickel shell fixing rod 6 and extend it out of the bulb shell 4, and connect the extension end with the anode 1 at the connection outside the bulb shell 4 with a resistor 5, and the resistance value of the resistor 5 can be selected to be 10-15 kohm .

[0014] In a word, the inventive point of the present invention is only to connect a resistor in series between the anode of the deuterium lamp and the nickel shell, so that the nickel shell is also charged with a positive potential, so that the entire nickel shell becomes a grid, thereby accelerating electrons from the cathode to the nickel shell. The speed of the anode increases the momentum of the electrons, which makes the deut...

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Abstract

The invention relates to one analysis experiment device light source Deuterium lamp with glow resistance, which comprises anode electrode, cathode, nickel shell, bubble shell and nickel shell fix bar, wherein, the anode is connected to nickel shell through one resistance and extending the fix bar into bulb shell connected with resistance between anode wires. The invention connects one resistance between anode and nickel shell with positive level to change whole nickel shell into one grating electrode.

Description

technical field [0001] The invention relates to a deuterium lamp used as a light source for analytical test instruments, in particular to a deuterium lamp with glow resistance. Background technique [0002] Deuterium lamp is a light source of arc discharge type in gas discharge lamp. When it works, it can radiate 160nm~400nm continuous distribution of ultraviolet spectrum from the light window, so it is an ideal ultraviolet light source for ultraviolet spectrophotometer. The lamp is filled with Deuterium gas (~10mmHg), filament voltage Vf<2~10V, AC or DC. Starting voltage Vs ~ 300V DC stabilized current power supply, working voltage Va = 70 ~ 100V after starting. Working current ~ 300mA. The luminescent mechanism of the deuterium lamp is: the thermal electrons emitted by the cathode of the filament move towards the anode under the acceleration of the electric field and are excited by the inelastic collision with the deuterium gas molecules, thereby radiating the continu...

Claims

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Application Information

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IPC IPC(8): H01J61/54H01J61/12
Inventor 殷尧平
Owner 殷尧平
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