Novel cooling mechanism of graphite furnace atomic absorption spectrometer

Abstract

The utility model relates to the technical field of graphite furnace atomic absorption spectrometer cooling devices, in particular to a novel cooling mechanism of a graphite furnace atomic absorption spectrometer, which comprises a graphite furnace atomic absorption spectrometer body and a heat dissipation box, and a positioning mechanism is arranged between the heat dissipation box and the graphite furnace atomic absorption spectrometer. The positioning mechanism comprises a guide rail, a sliding groove and a positioning box, the guide rail is installed on the rear side of the graphite furnace atomic absorption spectrometer, the sliding groove is formed in one side of the heat dissipation box, the guide rail penetrates through the sliding groove, the guide rail and the sliding groove are each of a T-shaped structure, the positioning box is installed at the top end of the heat dissipation box, and the positioning box is installed on the top end of the heat dissipation box. A positioning hole is formed in the top end of the positioning box, the graphite furnace atomic absorption spectrometer body can be efficiently cooled through the heat dissipation box, the heat dissipation box can be rapidly assembled or disassembled through the positioning mechanism, and the working efficiency of personnel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling devices for graphite furnace atomic absorption spectrometers, in particular to a novel cooling mechanism for graphite furnace atomic absorption spectrometers. Background Art

[0002] As we all know, graphite furnace atomic absorption spectrometer is a highly sensitive and high-precision atomic absorption spectrometer. It is mainly used for the determination of trace elements, such as trace metals, harmful elements, etc. The principle of graphite furnace atomic absorption spectrometer is to mix the sample, reducing agent and flux, heat the sample to evaporate it and generate atoms in the graphite furnace, then use a monochromatic light source to irradiate the sample, measure the intensity of light absorbed in the sample, and finally calculate the content of the element. Graphite furnace atomic absorption spectrometer consists of light source system, graphite furnace system, detection system, control system and spectroscopic system. Graphite furnace atomic absorption spectrometer will generate a lot of heat during high-temperature heating. If the heat cannot be effectively controlled, it will affect the measurement accuracy and stability of the instrument. Therefore, it is necessary to propose a solution to this technical problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides a novel cooling mechanism for a graphite furnace atomic absorption spectrometer.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new cooling mechanism for a graphite furnace atomic absorption spectrometer, comprising a graphite furnace atomic absorption spectrometer body and a heat sink, a positioning mechanism is arranged between the heat sink and the graphite furnace atomic absorption spectrometer, the positioning mechanism comprises a guide rail, a slide groove and a positioning box, the guide rail is installed at the rear side of the graphite furnace atomic absorption spectrometer, the slide groove is opened at one side of the heat sink, the guide rail passes through the slide groove, the guide rail and the slide groove are both T-shaped structures, the positioning box is installed at the top end of the heat sink, and a positioning hole is opened at the top end of the positioning box. The positioning hole is connected to the slide slot, a positioning iron column is provided on the positioning hole, an opening is provided on the guide rail, the positioning iron column passes through the opening, a fastening hole is provided on one side of the positioning iron column, a plurality of fastening holes are provided, an electromagnetic lock is provided on one side of the positioning hole, a fixing hole is provided between the positioning hole and one side of the positioning box, a fastening column is provided on the fixing hole, a fastening groove is provided on one side of the fixing hole, a fastening plate is provided between the fastening groove and the fastening column, an elastic component is provided between the fastening plate and the fastening groove, a radiator is provided inside the heat dissipation box, and a water inlet pipe and a water outlet pipe are provided on one side of the heat dissipation box.

[0007] The radiator is provided with a heat conducting pipe, and a plurality of the heat conducting pipes are provided.

[0008] Furthermore, the utility model is improved in that two radiators are provided and are symmetrically arranged.

[0009] Furthermore, the utility model is improved in that the guide rail and the slide groove are provided with two groups.

[0010] Furthermore, the utility model is improved in that one end of the guide rail is provided with a docking bevel groove.

[0011] Furthermore, the utility model is improved in that a limiting plate is provided at the other end of the guide rail.

[0012] Furthermore, the utility model is improved in that flanges are provided on the water inlet pipe and the water outlet pipe.

[0013] Furthermore, the utility model is improved in that a liquid level sensor is provided inside the heat dissipation box.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a new cooling mechanism for a graphite furnace atomic absorption spectrometer, which has the following beneficial effects:

[0016] The novel cooling mechanism of the graphite furnace atomic absorption spectrometer is that when the graphite furnace atomic absorption spectrometer body is in use, the heat generated by the graphite furnace atomic absorption spectrometer body is conducted to the radiator inside the heat dissipation box, the radiator absorbs the heat, and cooling water is injected into the heat dissipation box through the water inlet pipe, so that the heat of the radiator is cooled by the cooling water, thereby achieving the effect of cooling the graphite furnace atomic absorption spectrometer body, and the cooling water re-enters the cooling water supply equipment through the water outlet pipe for circulating cooling, thereby achieving the purpose of efficiently cooling the graphite furnace atomic absorption spectrometer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0019] Figure 3 For this utility model Figure 1 A half-section top view of the enlarged structure of the middle heat sink;

[0020] Figure 4 For this utility model Figure 1 Enlarged front view of the heat sink.

[0021] In the figure: 1. Graphite furnace atomic absorption spectrometer body; 2. Heat sink; 3. Guide rail; 4. Positioning box; 5. Positioning iron column; 6. Fastening hole; 7. Electromagnetic lock; 8. Fastening column; 9. Fastening plate; 10. Elastic component; 11. Radiator; 12. Water inlet pipe; 13. Water outlet pipe; 14. Heat pipe; 15. Limiting plate; 16. Flange. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model is a new cooling mechanism for a graphite furnace atomic absorption spectrometer, comprising a graphite furnace atomic absorption spectrometer body 1 and a heat sink 2, a positioning mechanism is arranged between the heat sink 2 and the graphite furnace atomic absorption spectrometer, the positioning mechanism comprises a guide rail 3, a slide groove and a positioning box 4, the guide rail 3 is installed at the rear side of the graphite furnace atomic absorption spectrometer, the slide groove is arranged on one side of the heat sink 2, the guide rail 3 passes through the slide groove, the guide rail 3 and the slide groove are both T-shaped structures, the positioning box 4 is installed at the top end of the heat sink 2, a positioning hole is arranged at the top end of the positioning box 4, the positioning hole is connected to the slide groove, a positioning iron column 5 is arranged on the positioning hole, an opening is arranged on the guide rail 3, the positioning The positioning iron column 5 passes through the opening, a fastening hole 6 is provided on one side of the positioning iron column 5, a plurality of fastening holes 6 are provided, an electromagnetic lock 7 is provided on one side of the positioning hole, a fixing hole is provided between the positioning hole and one side of the positioning box 4, a fastening column 8 is provided on the fixing hole, a fastening groove is provided on one side of the fixing hole, a fastening plate 9 is provided between the fastening groove and the fastening column 8, an elastic component 10 is provided between the fastening plate 9 and the fastening groove, a radiator 11 is provided inside the heat dissipation box 2, a water inlet pipe 12 and a water outlet pipe 13 are provided on one side of the heat dissipation box 2, in this embodiment, a person aligns the slide groove of the heat dissipation box 2 with the guide rail 3 and pushes the heat dissipation box 2, and the heat dissipation box 2 is assembled on the graphite furnace atomic absorption spectrometer by passing the slide groove through the guide rail 3 The rear side of the instrument body 1, the positioning iron column 5 is pushed downward in the process of pushing the heat dissipation box 2, when the positioning iron column 5 is aligned with the opening on the guide rail 3, the positioning iron column 5 passes through the opening, so that the heat dissipation box 2 is fastened to the guide rail 3, when the fastening column 8 is aligned with a fastening hole 6 of the positioning iron column 5, the fastening plate 9 is supported by the elastic component 10 in the fastening groove, so that the fastening column 8 is against the fastening hole 6, at this time, the positioning iron column 5 is fixed, which can effectively prevent the positioning iron column 5 from loosening, and the positioning iron column 5 is adsorbed by opening the electromagnetic lock 7, so that the positioning iron column 5 is fixed more firmly, and there will be no shaking, etc. When the graphite furnace atomic absorption spectrometer body 1 is used, the heat generated by the graphite furnace atomic absorption spectrometer body 1 is conducted to the radiator 11 inside the heat dissipation box 2, and the heat dissipation The radiator 11 absorbs heat, and the water inlet pipe 12 and the water outlet pipe 13 are connected to the equipment pipeline for providing cooling water. The equipment for supplying cooling water injects cooling water into the heat sink 2 through the water inlet pipe 12, so that the heat of the radiator 11 is cooled by the cooling water, thereby achieving the effect of cooling the graphite furnace atomic absorption spectrometer body 1. The cooling water re-enters the equipment for supplying cooling water through the water outlet pipe 13 for circulation cooling, thereby achieving the purpose of efficiently cooling the graphite furnace atomic absorption spectrometer body 1. After long-term use, when the heat sink 2 needs to be removed for cleaning and maintenance, the electromagnetic lock 7 is closed, and then the fastening column 8 is pulled, one end of the fastening column 8 leaves the fastening hole 6, and then the positioning iron plate is lifted upward, and the positioning iron column 5 leaves the opening of the guide rail 3.The fastening column 8 is aligned with the fastening hole 6 at other positions and then pressed against, so that the positioning iron plate is fixed, and then the heat sink 2 is pulled to make the guide rail 3 leave the slide slot, so that the heat sink 2 can be quickly taken out, which is convenient for maintenance and cleaning of the heat sink 2. This structure can realize the rapid assembly or removal of the heat sink 2 through the positioning mechanism, thereby improving the work efficiency of the personnel.

[0024] In this embodiment, a heat pipe 14 is provided on the radiator 11, and a plurality of heat pipes 14 are provided. Through the plurality of heat pipes 14 on the radiator 11, the heat dissipation efficiency of the radiator 11 can be improved, and the contact area between the heat and the cooling water inside the heat dissipation box 2 can be increased, thereby improving the heat dissipation efficiency.

[0025] In this solution, two radiators 11 are provided and are symmetrically arranged. By providing two symmetrically arranged radiators 11, it is convenient to conduct the heat of the graphite furnace atomic absorption spectrometer body 1 to the inside of the heat dissipation box 2, thereby improving the heat dissipation efficiency.

[0026] In this solution, two groups of the guide rails 3 and the slide grooves are provided. By providing two groups of guide rails 3 and slide grooves, the heat sink 2 can be more stably assembled on the rear side of the graphite furnace atomic absorption spectrometer body 1.

[0027] In this solution, a docking bevel is provided at one end of the guide rail 3 , and the docking bevel can facilitate personnel to align the slide groove of the heat dissipation box 2 with the guide rail 3 .

[0028] In this solution, a limit plate 15 is provided at the other end of the guide rail 3, and the limit plate 15 can facilitate the limiting effect on the heat sink 2. When the heat sink 2 is against one side of the limit plate 15, the positioning iron column 5 can be just aligned with the opening on the guide rail 3, thereby facilitating the insertion of the positioning iron column 5 into the opening.

[0029] In this solution, flanges 16 are provided on the water inlet pipe 12 and the water outlet pipe 13, and the flanges 16 facilitate the water inlet pipe 12 and the water outlet pipe 13 to be connected to external pipes. The flanges 16 can improve the connection strength and sealing between the water inlet pipe 12 and the water outlet pipe 13 and the external pipes.

[0030] In this solution, a liquid level sensor is provided inside the heat sink 2, and the amount of cooling water inside the heat sink 2 is conveniently detected by the liquid level sensor.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel cooling mechanism for a graphite furnace atomic absorption spectrometer, comprising a graphite furnace atomic absorption spectrometer body (1) and a heat sink (2), characterized in that: A positioning mechanism is provided between the heat dissipation box (2) and the graphite furnace atomic absorption spectrometer, the positioning mechanism comprising a guide rail (3), a slide groove and a positioning box (4), the guide rail (3) is installed on the rear side of the graphite furnace atomic absorption spectrometer, the slide groove is provided on one side of the heat dissipation box (2), the guide rail (3) passes through the slide groove, the guide rail (3) and the slide groove are both in a T-shaped structure, the positioning box (4) is installed on the top of the heat dissipation box (2), a positioning hole is provided at the top of the positioning box (4), the positioning hole is connected to the slide groove, a positioning iron column (5) is provided on the positioning hole, an opening is provided on the guide rail (3), and the positioning An iron column (5) passes through the opening, a fastening hole (6) is provided on one side of the positioning iron column (5), a plurality of fastening holes (6) are provided, an electromagnetic lock (7) is provided on one side of the positioning hole, a fixing hole is provided between the positioning hole and one side of the positioning box (4), a fastening column (8) is provided on the fixing hole, a fastening groove is provided on one side of the fixing hole, a fastening plate (9) is provided between the fastening groove and the fastening column (8), an elastic component (10) is provided between the fastening plate (9) and the fastening groove, a radiator (11) is provided inside the heat dissipation box (2), and a water inlet pipe (12) and a water outlet pipe (13) are provided on one side of the heat dissipation box (2).

2. The novel cooling mechanism of a graphite furnace atomic absorption spectrometer according to claim 1, characterized in that: The radiator (11) is provided with a heat conducting pipe (14), and a plurality of the heat conducting pipes (14) are provided.

3. The novel cooling mechanism of a graphite furnace atomic absorption spectrometer according to claim 2, characterized in that: The radiators (11) are provided with two and are symmetrically arranged.

4. The novel cooling mechanism of a graphite furnace atomic absorption spectrometer according to claim 3, characterized in that: The guide rail (3) and the slide groove are both provided with two groups.

5. The novel cooling mechanism of a graphite furnace atomic absorption spectrometer according to claim 4, characterized in that: One end of the guide rail (3) is provided with a butt-jointing inclined groove.

6. The novel cooling mechanism of a graphite furnace atomic absorption spectrometer according to claim 5, characterized in that: A limiting plate (15) is provided at the other end of the guide rail (3).

7. The novel cooling mechanism of a graphite furnace atomic absorption spectrometer according to claim 6, characterized in that: The water inlet pipe (12) and the water outlet pipe (13) are both provided with flanges (16).

8. The novel cooling mechanism for graphite furnace atomic absorption spectrometer according to claim 7, characterized in that: A liquid level sensor is arranged inside the heat dissipation box (2).

Images