CN206638571U - A kind of spark direct-reading spectrometer - Google Patents

Abstract

The utility model discloses a spark direct reading spectrometer, which comprises an upper body, a lower body and a spectroscopic chamber. A workbench is installed at the edge of the front side of the lower body, and a vertical lifting column is fixed on the upper end of the workbench. Fixtures are installed on the lifting column, a spectroscopic chamber is installed inside the upper body, and a concave diffraction grating is installed at the left end of the spectroscopic chamber, and the excitation platform on the right side of the spectroscopic chamber is electrically connected to the light source generator through wires. connected, and the photomultiplier inside the spectroscopic chamber is electrically connected to the photometer through wires, the photometer is arranged on the lower side of the spectroscopic chamber, and the vacuum pump is sealed and connected to the spectroscopic chamber through a conduit. In the utility model, the switch button and the workbench are arranged on the left and right sides of the person respectively, which conforms to people's operating habits and is convenient for the staff to operate. service life.

Description

A spark direct reading spectrometer

technical field

The utility model relates to the technical field of detection equipment, in particular to a spark direct reading spectrometer.

Background technique

Spark direct reading spectrometer is a rapid quantitative analysis instrument for analyzing ferrous and non-ferrous metal components. The instrument is widely used in metallurgy, machinery and other industrial sectors. It is one of the effective means to control product quality for on-line analysis before the smelting furnace and product inspection in the central laboratory. Due to the unreasonable structure design of today's spark direct reading spectrometer, It violates people's normal operating habits and brings some troubles to people's operations. At the same time, the use of a fixed-frequency light source narrows the working range of the device and does not have universal performance. This traditional spark direct reading spectrometer can no longer Meet today's people's requirements for testing equipment.

Utility model content

The purpose of this utility model is to provide a spark direct reading spectrometer to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a spark direct reading spectrometer, including an upper body, a lower body and a spectroscopic chamber, characterized in that: a workbench is installed at the edge of the front side of the lower body, and the working The upper end of the platform is fixed with a vertical lifting column, the lifting column is equipped with a fixture, and a supporting column is installed on the workbench directly below the fixture, the inside of the upper body is provided with a spectroscopic chamber, and the interior of the spectroscopic chamber A concave diffraction grating is installed at the left end, the excitation table on the right side of the spectroscopic chamber is electrically connected to the light source generator through wires, and the photomultiplier inside the spectroscopic chamber is electrically connected to the photometer through wires, and the photometer It is arranged on the lower side of the spectroscopic chamber, and the vacuum pump is sealed and connected with the spectroscopic chamber through a conduit.

Preferably, the upper body and the lower body are fixedly connected by welding, and the lower body on the left side of the workbench is provided with switch buttons.

Preferably, the photometer is composed of a sensitivity adjuster, an integrator and an A/D converter.

Preferably, the excitation table is fixedly connected to the wall on the right side of the spectroscopic chamber.

Compared with the prior art, the beneficial effect of the utility model is that the switch button and the worktable are respectively arranged on the left and right sides of the person, which conforms to people's operating habits and is convenient for the staff to operate. The device adopts the excitation type At the same time, a sensitivity adjuster is set in the photometer, which makes the frequency of the light source adjustable, suitable for the detection of different materials, and has a wide range of applications. The workbench is made of copper material and has good heat dissipation And strong performance, prolong the service life of the equipment, the analysis of the device has a wide range of applications, compared with traditional instruments, it is not limited by the channel and basic conditions, the overall structure of the device is simple, the performance is excellent, it has a wide range of applications, and is suitable for popularization and use.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the structure inside the upper body of the utility model.

In the figure: 1. Upper body; 2. Lifting column; 3. Fixture; 4. Switch button; 5. Support column; 6. Workbench; 7. Lower body; 8. Concave diffraction grating; 9. Vacuum pump; 11. Photometer; 12. Photomultiplier; 13. Exciting table; 14. Wire; 15. Light source generator.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a spark direct reading spectrometer, including an upper body 1, a lower body 7 and a spectroscopic chamber 10, a workbench 6 is installed at the front edge of the lower body 1, And the upper end of workbench 6 is fixed with the lifting column 2 of vertical direction, is convenient to adjust, and fixture 3 is installed on the lifting column 2, and support column 5 is installed on the workbench 6 directly below fixture 3, and the inside of upper body 1 is provided with There is a spectroscopic chamber 10, and a concave diffraction grating 8 is installed at the left end of the spectroscopic chamber 10. The excitation table 13 on the right side of the spectroscopic chamber 10 is electrically connected to the light source generator 15 through a wire 14, and the photomultiplier inside the spectroscopic chamber 10 12 is electrically connected to the photometer 11 through the wire 14, the photometer 11 is arranged on the lower side of the spectroscopic chamber 10, and the vacuum pump 9 is sealed and connected to the spectroscopic chamber 10 through a conduit, and the upper body 1 and the lower body 7 are fixedly connected by welding, And the lower body 7 on the left side of the workbench 6 is provided with a switch button 4, and the switch button 4 and the workbench 6 are respectively arranged on the left hand side and the right hand side of the person, which conforms to people's operating habits and is convenient for the staff to operate. 11 is composed of a sensitivity adjuster, an integrator and an A/D converter. The photometer 11 is provided with a sensitivity adjuster, so that the frequency of the light source becomes adjustable, and is suitable for the detection of different materials. The excitation table 13 and the spectroscopic chamber 10 Fixed connection to the wall on the right.

Working principle: when in use, place the item to be detected on the workbench 6, and then control the light source generator 15 to generate a light source through the control panel, and then the excitation table 13 on the spectroscopic chamber 10 generates a beam, and the high temperature of the beam makes each element in the sample The characteristic wavelengths of each element are emitted from the solid state directly vaporized and excited, and after being split by 8 concave diffraction gratings, it becomes a "spectrum" arranged by wavelength. The characteristic spectral lines of these elements pass through the exit slit and enter their respective photoelectric In the multiplier 12, the optical signal is converted into an electrical signal, and the control and measurement system of the photometer 11 integrates the electrical signal and performs analog/digital conversion, and then is processed by a computer, and the percentage content of each element is printed out.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. A spark direct reading spectrometer, comprising an upper body (1), a lower body (7) and a spectroscopic chamber (10), characterized in that: a workbench (6) is installed at the edge of the front side of the lower body (1) ), and the upper end of the worktable (6) is fixed with a vertical lifting column (2), the lifting column (2) is equipped with a clamp (3), and the workbench (6) directly below the clamp (3) A support column (5) is installed on it, a spectroscopic chamber (10) is arranged inside the upper body (1), and a concave diffraction grating (8) is installed at the left end of the spectroscopic chamber (10), the spectroscopic chamber ( 10) The excitation platform (13) on the right side is electrically connected to the light source generator (15) through the wire (14), and the photomultiplier (12) inside the spectroscopic chamber (10) is connected to the photometer ( 11) Electrical connection, the photometer (11) is arranged on the lower side of the spectroscopic chamber (10), and the vacuum pump (9) is sealed and connected with the spectroscopic chamber (10) through a conduit. 2. A kind of spark direct reading spectrometer according to claim 1, is characterized in that: described upper body (1) and lower body (7) are fixedly connected by welding, and the lower body on the left side of workbench (6) ( 7) A switch button (4) is arranged on the top. 3. A spark direct reading spectrometer according to claim 1, characterized in that: the photometer (11) is composed of a sensitivity adjuster, an integrator and an A/D converter. 4. A spark direct reading spectrometer according to claim 1, characterized in that: the excitation table (13) is fixedly connected to the wall on the right side of the spectroscopic chamber (10).