Variable-frequency grating type infrared oil measuring instrument

Abstract

The utility model relates to the technical field of infrared oil measuring instruments, and discloses a frequency conversion grating type infrared oil measuring instrument which comprises a machine body, a side frame is arranged on the right side of the lower end in the machine body, a telescopic rod is installed in the lower end of the side frame, and the two ends of the telescopic rod are fixedly connected with the side frame and the machine body respectively. The fixing frame is arranged on the right side of the upper end of the machine body, a storage barrel is rotationally installed on the left side in the fixing frame, a driving motor is installed on the portion, located on the right side of the lower end of the storage barrel, in the side frame, an oval disc is installed at the output end of the driving motor, and a reset spring is installed on one side of the lower end of the storage barrel. The two ends of the reset spring are fixedly connected with the storage barrel and the side frame correspondingly. An automatic shaking structure is integrated on one side in the instrument, so that a sample is more convenient to shake, and the overall working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of infrared oil measuring instruments, in particular to a variable frequency grating type infrared oil measuring instrument. Background Art

[0002] The infrared oil tester is an oil quality testing instrument based on infrared spectroscopy technology, which is mainly used to measure and analyze the oil components in substances. It uses the absorption characteristics of substances to infrared light of a specific wavelength to analyze and judge the composition, concentration and quality of substances by measuring the absorption of infrared light.

[0003] The variable frequency grating infrared oil tester uses variable frequency technology to control the number of rotation steps of the motor. When approaching the required wavelength, the number of rotation steps is gradually reduced, so that the wavelength of the grating spectrometry is closer to the required wavelength, making the wavelength accuracy higher and the repeatability better, achieving a more accurate spectrum and making the signal more precise.

[0004] When using a variable frequency grating infrared oil meter, it is necessary to add an extractant to the water sample to be tested, shake it, and then let it stand, so that the oil sample is extracted at the bottom of the water surface. This operation wastes manpower and affects work progress. For this reason, a variable frequency grating infrared oil meter is proposed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a variable frequency grating infrared oil meter to solve the problem raised in the above background technology that when using the variable frequency grating infrared oil meter, it is necessary to add an extractant to the water sample to be tested, shake it and then let it stand, so that the oil sample is extracted at the bottom of the water surface, and this operation wastes manpower and affects work progress.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model provides the following technical solutions: a variable frequency grating infrared oil measuring instrument, comprising:

[0009] A machine body, wherein a side frame is arranged on the right side of the lower end of the machine body, a telescopic rod is installed inside the lower end of the side frame, and both ends of the telescopic rod are fixedly connected to the side frame and the machine body respectively;

[0010] A fixed frame is arranged on the right side of the upper end of the machine body, a storage barrel is rotatably installed on the left side inside the fixed frame, a driving motor is installed on the right side of the lower end of the storage barrel inside the side frame, an elliptical disk is installed on the output end of the driving motor, a return spring is installed on one side of the lower end of the storage barrel, and the two ends of the return spring are respectively fixedly connected to the storage barrel and the side frame;

[0011] A measuring port is arranged on the left side of the upper end of the machine body, a control display screen is arranged on the right side of the measuring port at the upper end of the machine body, and a thermistor, a monochromator, a colorimetric cell, a signal processor, a central processor, a voltage-stabilized power supply, a scanning controller, a light source voltage stabilizer, a light source bulb and a variable frequency grating module are arranged inside the machine body;

[0012] The variable frequency grating module comprises a variable frequency motor and a grating component coaxially connected to the rotor of the variable frequency motor.

[0013] Preferably, a placement groove is provided on the right side of the upper end of the body, and the placement groove is integrally formed with the body, and the placement groove is used to accommodate a disposable straw to absorb the oil sample.

[0014] Preferably, a flap is installed at the upper end of the placement slot, and the flap is rotatably connected to the body, and the flap is used to close the placement slot.

[0015] Preferably, side rods are installed at both front and rear ends of the left and right sides of the exterior of the body, and the side rods are rotatably connected to the body. Suction cups are installed at the lower ends of the side rods, and the suction cups are used to improve the stability of the body.

[0016] Preferably, a magnet is installed at one end of the outside of the side rod, and metal blocks are provided at the front and rear ends of the left and right sides of the outside of the body. The magnet and the metal block are adsorbed under the action of magnetic force, so that the side rod is adsorbed and fixed.

[0017] Preferably, anti-skid pads are provided at the four corners of the lower end of the body, and the anti-skid pads are fixedly connected to the body, so that the anti-skid pads improve the anti-skid property of the bottom of the body.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a variable frequency grating infrared oil measuring instrument, which has the following features:

[0020] Beneficial effects:

[0021] The utility model pulls the side frame outward to pull it out from the inside of the machine body, then inserts the sample tube into the storage barrel, starts the driving motor to rotate the elliptical disk, and when the elliptical disk rotates, it continuously hits one side of the lower end of the storage barrel to cooperate with the reset spring to automatically reset it, thereby causing the storage barrel to shake, and the sample to which the tetrachloroethylene extractant is added is shaken for two minutes and then left to stand for two minutes, so that the oil sample in the water sample is extracted at the bottom of the sample, so that subsequent work can be carried out, thereby solving the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0023] Figure 2 This is a cross-sectional view of the internal structure of the machine body of the utility model;

[0024] Figure 3 For the utility model Figure 2 A partial enlarged view of the middle A area;

[0025] Figure 4 It is a three-dimensional diagram of the frequency conversion grating module structure of the utility model.

[0026] In the figure: 1. body; 2. measuring port; 3. control display screen; 4. placement slot; 5. flip cover; 6. side rod; 7. magnet; 8. suction cup; 9. thermistor; 10. monochromator; 11. colorimetric cell; 12. signal processor; 13. reset spring; 14. central processor; 15. voltage-stabilized power supply; 16. scanning controller; 17. light source voltage stabilizer; 18. light source bulb; 19. variable frequency grating module; 191. variable frequency motor; 192. grating assembly; 20. metal block; 21. side frame; 22. telescopic rod; 23. fixed frame; 24. storage tube; 25. drive motor; 26. elliptical disk. DETAILED DESCRIPTION

[0027] 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.

[0028] The utility model provides a technical solution, a variable frequency grating type infrared oil measuring instrument, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,include:

[0029] The machine body 1 is provided with a side frame 21 on the right side of the lower end inside the machine body 1, a telescopic rod 22 is installed inside the lower end of the side frame 21, and both ends of the telescopic rod 22 are fixedly connected to the side frame 21 and the machine body 1 respectively;

[0030] The fixed frame 23 is arranged on the right side of the upper end of the machine body 1, and a storage cylinder 24 is rotatably installed on the left side inside the fixed frame 23. A driving motor 25 is installed on the right side of the lower end of the storage cylinder 24 inside the side frame 21, and an elliptical disk 26 is installed at the output end of the driving motor 25. A return spring 13 is installed on one side of the lower end of the storage cylinder 24, and the two ends of the return spring 13 are fixedly connected to the storage cylinder 24 and the side frame 21 respectively.

[0031] A measuring port 2 is arranged on the left side of the upper end of the machine body 1, a control display screen 3 is arranged on the right side of the measuring port 2 at the upper end of the machine body 1, and a thermistor 9, a monochromator 10, a colorimetric cell 11, a signal processor 12, a central processor 14, a voltage-stabilized power supply 15, a scanning controller 16, a light source stabilizer 17, a light source bulb 18 and a frequency conversion grating module 19 are arranged inside the machine body 1;

[0032] The variable frequency grating module 19 includes a variable frequency motor 191 and a grating assembly 192 coaxially connected to the rotor of the variable frequency motor 191. The variable frequency motor 191 has an adjustable power supply frequency and voltage, so that precise speed control can be achieved. It is a common prior art. Combined with the grating assembly 192, when approaching the required wavelength, the number of rotation steps is gradually reduced, so that the wavelength of the grating spectrometry is closer to the required wavelength, the wavelength accuracy is higher, and the repeatability is better.

[0033] When in use, pull the side frame 21 outward to pull it out from the inside of the body 1, then insert the sample tube into the storage tube 24, start the drive motor 25 to rotate the elliptical disk 26, and when the elliptical disk 26 rotates, it continuously hits one side of the lower end of the storage tube 24 to cooperate with the reset spring 13 to automatically reset it, thereby shaking the storage tube 24, shaking the sample for two minutes and then letting it stand for two minutes, so that the oil sample in the water sample with the tetrachloroethylene extractant added is extracted at the bottom of the sample. It should be noted that in order to save space and highlight the innovative elements of this patent, this solution is based on the existing variable frequency grating infrared oil measuring instrument, and improves its related structures, such as the control display screen 3, thermistor 9, monochromator 10, colorimetric cell 11, variable frequency motor 191, grating assembly 192 and other conventional equipment, which will not be repeated in this patent.

[0034] See also Figure 1 and Figure 2 A placement slot 4 is provided on the right side of the upper end of the body 1, and the placement slot 4 is integrally formed with the body 1, and the placement slot 4 is used to receive a disposable straw to absorb the oil sample.

[0035] See also Figure 1 and Figure 2 A flip cover 5 is installed at the upper end of the placement slot 4, and the flip cover 5 is rotatably connected to the body 1, and the flip cover 5 is used to close the placement slot 4.

[0036] See also Figure 1 , Figure 2 and Figure 3 Side rods 6 are installed at both ends of the left and right sides of the body 1, and the side rods 6 are rotatably connected to the body 1. Suction cups 8 are installed at the lower ends of the side rods 6 to improve the stability of the body 1.

[0037] See also Figure 1 , Figure 2 and Figure 3A magnet 7 is installed at one end of the side rod 6, and metal blocks 20 are set at the front and rear ends of the left and right sides of the body 1. The magnet 7 and the metal block 20 are adsorbed under the action of magnetic force, so that the side rod 6 is adsorbed and fixed.

[0038] See also Figure 1 Anti-skid pads are arranged at the four corners of the lower end of the body 1, and the anti-skid pads are fixedly connected to the body 1, and the anti-skid pads improve the anti-skid property of the bottom of the body 1.

[0039] This solution: flip the side rod 6 downward to make the metal block 20 separate from the magnet 7, and the suction cup 8 is adsorbed on the table to improve the stability of the instrument placement, pull the side frame 21 outward to pull it out from the inside of the body 1, and then insert the sample tube into the storage tube 24, start the drive motor 25 to make the elliptical disk 26 rotate, and when the elliptical disk 26 rotates, it continuously hits one side of the lower end of the storage tube 24 and cooperates with the reset spring 13 to automatically reset it, thereby causing the storage tube 24 to shake, shake the sample for two minutes and then let it stand for two minutes, so that the oil sample in the water sample is extracted at the bottom of the sample, so as to carry out subsequent work.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] 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. Frequency conversion grating infrared oil measuring instrument, characterized in that: include: A machine body (1), wherein a side frame (21) is arranged on the right side of the lower end of the machine body (1), a telescopic rod (22) is installed inside the lower end of the side frame (21), and two ends of the telescopic rod (22) are respectively fixedly connected to the side frame (21) and the machine body (1); A fixed frame (23) is arranged on the right side of the upper end of the machine body (1); a storage barrel (24) is rotatably mounted on the left side inside the fixed frame (23); a driving motor (25) is mounted on the right side of the lower end of the storage barrel (24) inside the side frame (21); an elliptical disc (26) is mounted on the output end of the driving motor (25); a return spring (13) is mounted on one side of the lower end of the storage barrel (24); and two ends of the return spring (13) are respectively fixedly connected to the storage barrel (24) and the side frame (21); A measuring port (2) is arranged on the left side of the upper end of the machine body (1); a control display screen (3) is arranged on the upper end of the machine body (1) on the right side of the measuring port (2); and a thermistor (9), a monochromator (10), a colorimetric cell (11), a signal processor (12), a central processor (14), a voltage-stabilized power supply (15), a scanning controller (16), a light source voltage stabilizer (17), a light source bulb (18) and a variable frequency grating module (19) are arranged inside the machine body (1); The variable frequency grating module (19) comprises a variable frequency motor (191) and a grating assembly (192) coaxially connected to the rotor of the variable frequency motor (191).

2. The variable frequency grating infrared oil measuring instrument according to claim 1 is characterized in that: A placement groove (4) is provided on the right side of the upper end of the machine body (1), and the placement groove (4) and the machine body (1) are integrally formed.

3. The variable frequency grating infrared oil measuring instrument according to claim 2 is characterized in that: A flip cover (5) is installed at the upper end of the placement groove (4), and the flip cover (5) is rotatably connected to the machine body (1).

4. The variable frequency grating infrared oil measuring instrument according to claim 1 is characterized in that: Side rods (6) are installed at both front and rear ends of the left and right sides of the exterior of the machine body (1), and the side rods (6) are rotatably connected to the machine body (1). Suction cups (8) are installed at the lower ends of the side rods (6).

5. The variable frequency grating infrared oil measuring instrument according to claim 4 is characterized in that: A magnet (7) is installed at one end of the outside of the side rod (6), and metal blocks (20) are provided at both the front and rear ends of the left and right sides of the outside of the body (1).

6. The variable frequency grating infrared oil measuring instrument according to claim 1 is characterized in that: Anti-skid pads are provided at the four corners of the lower end of the machine body (1), and the anti-skid pads are fixedly connected to the machine body (1).

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