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Lighting device for graphite furnace atomic absorption spectrometer and method

A technology of graphite furnace atoms and lighting devices, which is applied in lighting devices, lighting devices, lighting auxiliary devices, etc., can solve problems such as inconvenience of operation, and achieve the effect of prolonging service life, improving regional lighting, and improving regional lighting of graphite furnace body.

Active Publication Date: 2019-03-26
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a graphite furnace atomic absorption spectrometer lighting device and method in order to overcome the inconvenient operation of the graphite furnace atomic absorption spectrometer in the prior art.

Method used

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  • Lighting device for graphite furnace atomic absorption spectrometer and method
  • Lighting device for graphite furnace atomic absorption spectrometer and method
  • Lighting device for graphite furnace atomic absorption spectrometer and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 , figure 2 The illustrated embodiment is a lighting device for a graphite furnace atomic absorption spectrometer, comprising a suction top cover 2 arranged above the graphite furnace body 1 of the graphite furnace atomic absorption spectrometer, and a helical spiral in the air duct 21 of the suction top cover. Blade 22, the plane mirror 23 that is located in the air suction top cover, the connecting rod 24 that is connected with the rotating shaft of spiral blade, the worm gear structure 25 that is connected with connecting rod, the swing rod 26 that is located on the lower surface of the plane mirror is connected with the worm gear structure 2 rubber strips 261 are arranged on the surface where the swing bar contacts with the lower surface of the plane mirror, and 4 lighting lamps 3 are arranged on the periphery of the graphite furnace atomic absorption spectrometer, and the graphite furnace atomic absorption spectrometer is provided with a blower fan...

Embodiment 2

[0040] Embodiment 2 includes all structure and method parts of embodiment 1, such as Figure 4 As shown, the swing rod of embodiment 2 is provided with a cavity 262, the cavity is provided with detergent diluted with water, a plurality of through holes 2621 are provided on the upper end plate of the cavity, and a heating wire 2622 is provided in the cavity , the heating wire is electrically connected to the controller.

[0041] Also include the following steps:

[0042] The electric heating wire is controlled to energize, the electric heating wire heats the detergent, and the detergent is evaporated to the lower surface of the flat mirror, and the detergent provides lubrication between the swing rod and the lower surface of the flat mirror, and enhances the cleaning efficiency during wiping.

Embodiment 3

[0044] Embodiment 3 includes all structure and method parts of embodiment 1, as figure 1 As shown, each lighting lamp in Embodiment 3 is located on the support frame 6, and the support frame is provided with 4 motors 8, and the 4 motors respectively drive each lighting lamp to rotate relative to the support frame, as shown in FIG. Figure 5 As shown, each motor is electrically connected to the controller.

[0045] Also include the following steps:

[0046] The controller controls each motor to drive each lighting lamp to rotate, adjusts the light reflected by the plane mirror, and ensures that there is no dead angle of light in the graphite furnace body.

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Abstract

The invention discloses a lighting device for a graphite furnace atomic absorption spectrometer and a method. The lighting device comprises an air suction top cover arranged above a graphite furnace body of the graphite furnace atomic absorption spectrometer, spiral blades arranged in an air duct of the air suction top cover, a plane mirror arranged in the air suction top cover, a connecting rod connected with a rotating shaft of the spiral blades, a worm and worm wheel structure connected with the connecting rod and a swing rod arranged on the lower surface of the plane mirror and connected with the worm and worm wheel structure. Two rubber strips are arranged on the surface, in contact with the lower surface of the plane mirror, of the swing rod, M illuminating lamps are arranged on theperiphery of the graphite furnace atomic absorption spectrometer, a fan is arranged on the graphite furnace atomic absorption spectrometer, and the fan and each illuminating lamp are electrically connected with a controller. The lighting device and the method have the beneficial effects that the illumination of a graphite furnace body area can be remarkably improved, the internal space of the graphite furnace body does not need to be occupied, and various operations are convenient for workers.

Description

technical field [0001] The invention relates to the technical field of a graphite furnace atomic absorption spectrometer, in particular to a lighting device and method for a graphite furnace atomic absorption spectrometer. Background technique [0002] The graphite furnace atomic absorption spectrometer is an instrument used for the analysis and determination of trace elements. The graphite furnace body of the existing graphite furnace atomic absorption spectrometer is generally located in a concave area surrounded by three vertical side walls. The graphite furnace A suction top cover must be installed above the graphite furnace body to facilitate the timely removal of exhaust gas generated during the operation of the instrument. Therefore, in the laboratory where the graphite furnace atomic absorption spectrometer is placed, lighting fixtures cannot be installed on the ceiling above the graphite furnace body. The oblique light irradiation of lighting fixtures in other posit...

Claims

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Application Information

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IPC IPC(8): F27B17/02F27D17/00F21V7/05F21V14/02F21V21/30F21V23/04F21V33/00G01N21/31B08B1/04B08B3/10
CPCF21V7/05F21V14/02F21V21/30F21V23/04F21V33/00F27B17/02F27D17/001G01N21/3103B08B3/10B08B1/32
Inventor 刘琴王范盛李子孟祝银宋凯杨承虎
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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