Rapid cooling sample tray for direct-reading spectrometer

Abstract

The utility model discloses a rapid cooling sample tray for a direct-reading spectrometer, which comprises a sample tray, the middle position of the sample tray is provided with a through hole, a support rod is fixedly connected in the through hole, the middle position of the support rod is fixedly connected with a mounting seat, the mounting seat is internally provided with a push type switch, and the push type switch is fixedly connected with the support rod. The lower side of the sample tray is fixedly connected with a motor box, the bottom in the motor box is fixedly connected with a motor, the output end of the motor is fixedly connected with fan blades, the fan blades are located under the through hole, the lower side of the sample tray located on the periphery of the motor box is fixedly connected with an aluminum sheet, and the lower side of the sample tray is provided with supporting legs. The supporting legs penetrate through the aluminum sheet to be fixedly connected with the sample tray, and the bottoms of the supporting legs are fixedly connected with cushion blocks. Through the structure, the metal sample of the direct-reading spectrometer can be rapidly cooled, the analysis efficiency and accuracy are improved, the deviation of analysis results is reduced, and the device has a wide application prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of direct-reading spectrometers, in particular to a fast-cooling sample tray for direct-reading spectrometers. Background Art

[0002] Direct reading spectrometers are widely used in the field of metal analysis. However, during use, metal samples will heat up rapidly during the excitation process, causing the distance (pole distance) between the spark plate and the tungsten electrode to change, affecting the excitation effect and light intensity, resulting in deviations in the analysis results. Although the analysis results can be stabilized after cooling for a period of time, frequent temperature changes seriously affect the analysis efficiency and accuracy. Therefore, how to achieve rapid cooling of samples has become an urgent problem to be solved. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a fast cooling sample tray for a direct reading spectrometer, aiming to solve the above problems.

[0004] The utility model also provides a fast cooling sample tray for a direct-reading spectrometer as described above, comprising: a sample tray, a through hole is provided in the middle position of the sample tray, a support rod is fixedly connected in the through hole, a mounting seat is fixedly connected in the middle position of the support rod, a push-type switch is installed in the mounting seat, a motor box is fixedly connected to the lower side of the sample tray, a motor is fixedly connected to the bottom of the motor box, a fan blade is fixedly connected to the output end of the motor, the fan blade is located directly below the through hole, an aluminum sheet is fixedly connected to the lower side of the sample tray located at the periphery of the motor box, a leg is provided on the lower side of the sample tray, the leg passes through the aluminum sheet and is fixedly connected to the sample tray, and a pad is fixedly connected to the bottom of the leg.

[0005] According to the fast cooling sample tray for direct reading spectrometer, the sample tray is disc-shaped and has a thickness of 3 cm.

[0006] According to the fast cooling sample tray for direct reading spectrometer, the sample tray, support rod, mounting seat and motor box are all made of copper.

[0007] According to the fast cooling sample tray for a direct reading spectrometer, ventilation holes are provided on the periphery of the motor box.

[0008] According to the fast cooling sample tray for a direct-reading spectrometer, the push-type switch is welded on a main board, a motor controller is provided on the main board, the motor and the controller are connected via a signal line, and an external power line is provided.

[0009] The utility model has the following beneficial effects:

[0010] 1. In the utility model, through the sample tray, support rod and mounting seat made of copper, when the sample is placed on the sample tray, the sample contacts the mounting seat and squeezes the push switch. At this time, the motor receives the signal and starts, and the motor drives the fan blades to rotate to cool the sample, thereby achieving rapid cooling of the sample and effectively solving the problem of deviation in analysis results caused by increased sample temperature.

[0011] 2. In the utility model, an aluminum sheet is provided under the sample tray, and the sample conducts heat to the sample tray through the mounting seat and the support rod, and the aluminum sheet dissipates heat, thereby further improving the cooling effect and the analysis efficiency.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a structural diagram of a fast cooling sample tray for a direct reading spectrometer according to the utility model;

[0015] Figure 2 This is a side view of a fast cooling sample tray for a direct reading spectrometer according to the utility model;

[0016] Figure 3 The utility model is a diagram showing the internal structure of a motor box of a fast cooling sample tray for a direct-reading spectrometer.

[0017] Legend:

[0018] 1. Sample tray; 2. Support rod; 3. Mounting base; 31. Push-type opening; 4. Motor box; 41. Ventilation port; 5. Motor; 6. Fan blades; 7. Legs; 8. Pads; 9. Aluminum sheet; 10. Power cord; 11. Through hole. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] Reference Figure 1-3, the utility model embodiment is a fast cooling sample tray for a direct reading spectrometer, which includes a sample tray 1, the sample tray 1 is disc-shaped and has a thickness of 3 cm, the sample tray 1, the support rod 2, the mounting seat 3 and the motor box 4 are all made of copper, a through hole 11 is provided in the middle of the sample tray 1, the support rod 2 is fixedly connected in the through hole 11, the mounting seat 3 is fixedly connected in the middle of the support rod 2, a push switch 31 is installed in the mounting seat 3, the push switch 31 is welded on the main board, the main board is located in the mounting seat 3, a motor 5 controller is provided on the main board, the motor 5 is connected to the controller through a signal line, and an external power line 10 is connected, when the sample is placed on the sample tray 1, the sample contacts the mounting seat 3, and squeezes the push switch 31, at this time the motor 5 receives the signal and starts, and the motor 5 drives the fan blade 6 to rotate to cool the sample;

[0021] A motor box 4 is fixedly connected to the lower side of the sample tray 1, and a motor 5 is fixedly connected to the bottom of the motor box 4. The motor 5 is a micro motor. A vent 41 is provided on the periphery of the motor box 4, and a fan blade 6 is fixedly connected to the output end of the motor 5. The fan blade 6 is located directly below the through hole 11. An aluminum sheet 9 is fixedly connected to the lower side of the sample tray 1 located on the periphery of the motor box 4, and a leg 7 is provided on the lower side of the sample tray 1. The leg 7 passes through the aluminum sheet 9 and is fixedly connected to the sample tray 1, and a pad 8 is fixedly connected to the bottom of the leg 7. The sample conducts heat to the sample tray 1 through the mounting seat 3 and the support rod 2, and the aluminum sheet 9 dissipates heat, thereby achieving rapid cooling of the sample, improving analysis efficiency and accuracy, and reducing the deviation of the analysis results. The sample has broad application prospects.

[0022] Working principle: When in use, place the sample on the sample tray 1, the sample contacts the mounting seat 3, and the push switch 31 is squeezed. At this time, the motor 5 receives the signal and starts, and the motor 5 drives the fan blade 6 to rotate to cool the sample. At the same time, the sample conducts heat to the sample tray 1 through the mounting seat 3 and the support rod 2, and then the aluminum sheet 9 dissipates the heat to achieve rapid cooling of the sample. After the sample is cooled to a stable state, spectral analysis can be performed; it can achieve rapid cooling of metal samples of direct reading spectrometers, improve analysis efficiency and accuracy, and reduce the deviation of analysis results, and has broad application prospects.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A rapid cooling sample tray for a direct reading spectrometer, characterized in that: include: A sample tray (1), wherein a through hole (11) is provided in the middle of the sample tray (1), a support rod (2) is fixedly connected in the through hole (11), a mounting seat (3) is fixedly connected in the middle of the support rod (2), a push-type switch (31) is installed in the mounting seat (3), a motor box (4) is fixedly connected to the lower side of the sample tray (1), a motor (5) is fixedly connected to the bottom of the motor box (4), a fan blade (6) is fixedly connected to the output end of the motor (5), the fan blade (6) is located directly below the through hole (11), an aluminum sheet (9) is fixedly connected to the lower side of the sample tray (1) located at the outer periphery of the motor box (4), a support leg (7) is provided on the lower side of the sample tray (1), the support leg (7) passes through the aluminum sheet (9) and is fixedly connected to the sample tray (1), and a cushion block (8) is fixedly connected to the bottom of the support leg (7).

2. A rapid cooling sample tray for a direct reading spectrometer according to claim 1, characterized in that: The sample tray (1) is in the shape of a disc and has a thickness of 3 cm.

3. A rapid cooling sample tray for direct reading spectrometer according to claim 2, characterized in that: The sample tray (1), the support rod (2), the mounting seat (3) and the motor box (4) are all made of copper.

4. A rapid cooling sample tray for a direct reading spectrometer according to claim 3, characterized in that: A vent (41) is provided on the outer periphery of the motor box (4).

5. A rapid cooling sample tray for direct reading spectrometer according to claim 4, characterized in that: The push switch (31) is welded on a main board, a motor (5) controller is provided on the main board, the motor (5) and the controller are connected via a signal line, and an external power line (10) is provided.

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