Universal analysis device for rotary cuvette and colorimetric tube

Abstract

The utility model belongs to the technical field of colorimetric analysis devices, and particularly discloses a universal analysis device for a rotary cuvette and a colorimetric tube, which comprises a motor fixing plate, a rotary disc base and an analysis groove, the rotary disc base is arranged above the motor fixing plate, a rotary disc fixing hole is arranged in the middle of the rotary disc base, and the rotary disc fixing hole is communicated with the analysis groove. A stepping motor is arranged below the motor fixing plate, a driving shaft of the stepping motor is connected with a motor bearing, the motor bearing penetrates through the rotating disc fixing hole and is connected with a cylindrical fixing piece, and the rotating disc base is connected with the motor bearing through the cylindrical fixing piece. A plurality of analysis grooves are uniformly formed above the rotating disc base, light holes are formed in the side edges of the analysis grooves, and stainless steel elastic pieces are arranged in the analysis grooves; the cuvette or the colorimetric tube is inserted into the analysis tank, and the stainless steel elastic sheet is used for extruding and limiting the cuvette or the colorimetric tube; the stepping motor drives the rotating disc base to rotate, and the positions of different analysis grooves are changed.

Description

Technical Field

[0001] The utility model relates to the technical field of colorimetric analysis devices, in particular to a universal analysis device for a rotary cuvette and colorimetric tube. Background Art

[0002] Colorimetric tubes and cuvettes are the primary instruments used in colorimetric analysis in chemistry experiments. They can be used to roughly measure solution concentrations. Colorimetric analysis uses the color of the solution itself, or the color it exhibits after adding a reagent, to determine the concentration of the substance being measured by observing and comparing the color depth of the solution with the eye (or a visual colorimeter), or by measuring with a photoelectric colorimeter. Colorimetry includes visual colorimetry and photoelectric colorimetry.

[0003] Existing spectral analysis devices can generally only perform spectral analysis on one of the cuvettes or colorimetric tubes, and are difficult to adapt to both cuvettes and colorimetric tubes. In addition, existing analysis devices are difficult to perform continuous analysis of multiple samples, which greatly reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a universal analysis device for a rotating cuvette and colorimetric tube, so as to solve the problems that the existing spectral analysis device can generally only perform spectral analysis on one of the cuvette or colorimetric tube, it is difficult to adapt to the cuvette and colorimetric tube at the same time, and the existing analysis device is difficult to perform continuous analysis of multiple samples.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a universal analysis device for rotating cuvettes and colorimetric tubes, comprising a motor fixing plate, a rotating disk base, and an analysis slot, wherein the rotating disk base is arranged above the motor fixing plate, a rotating disk fixing hole is opened in the middle of the rotating disk base, a stepping motor is arranged below the motor fixing plate, a motor bearing is connected to the driving shaft of the stepping motor, the motor bearing passes through the rotating disk fixing hole and is connected to a cylindrical fixing piece, and the rotating disk base is connected to the motor bearing via the cylindrical fixing piece; a plurality of analysis slots for mounting cuvettes or colorimetric tubes are evenly arranged above the rotating disk base, the analysis slots are square, light-transmitting holes are opened on the sides of the analysis slots, and stainless steel springs are arranged inside the analysis slots; by inserting the cuvette or colorimetric tube into the analysis slot, the stainless steel springs are used to squeeze the cuvette or colorimetric tube, thereby restraining the cuvette or colorimetric tube; the rotating disk base is driven to rotate by the stepping motor to change the positions of different analysis slots to meet the requirements of continuous analysis of the cuvettes or colorimetric tubes in different analysis slots.

[0006] As a preferred embodiment of the present invention, a position signal is provided near the side of the motor fixing plate, and an L-shaped induction metal sheet that cooperates with the position signal is provided on the base of the rotating disk, a signal control cable is provided on the position signal, and a motor control cable is provided on the stepping motor. The signal control cable and the motor control cable are both electrically connected to the control main board to achieve centralized control.

[0007] As a preferred embodiment of the present invention, a plurality of screws are provided on the motor fixing plate, and the stepping motor is connected to the motor fixing plate via the screws to facilitate later disassembly and assembly.

[0008] As a preferred embodiment of the present invention, the analysis tank is equipped with a signal light source, a signal receiver and a condenser. The signal light source and the signal receiver are respectively located on both sides of the rotating disk base. The condenser is located at the output end of the signal light source. The signal light source emits a specific wavelength, which is focused by the condenser into a bright line through the light-transmitting hole and received by the signal receiver.

[0009] As a preferred embodiment of the present invention, the analysis tank is connected to the rotating disk base by bolts to facilitate subsequent disassembly and maintenance.

[0010] As a preferred embodiment of the present invention, six analysis slots are provided, and the six analysis slots are distributed in a circular array, with one fixed every 60°.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model provides a square analysis slot and a stainless steel spring in the analysis slot to meet the installation requirements of a cuvette or a colorimetric tube, thereby improving the applicability of the device; by providing multiple analysis slots fixed on a rotating disk base, and driving the rotating disk base to rotate by a stepping motor, the cuvettes or colorimetric tubes in different analysis slots can be replaced for analysis, thereby realizing continuous detection and analysis and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the top view of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model with the rotating disk base removed;

[0015] Figure 3 This is a schematic diagram of the structure of the cuvette installed in the utility model;

[0016] Figure 4 This is a schematic diagram of the colorimetric tube structure installed in the utility model.

[0017] In the figure: 1. Motor fixing plate; 2. Motor bearing; 3. Position signal; 4. Motor control cable; 5. Signal control cable; 6. Rotating disk base; 7. Rotating disk fixing hole; 8. Analysis slot; 9. Stainless steel spring; 10. L-shaped sensing metal sheet; 11. Signal light source; 12. Signal receiver; 13. Condenser; 14. Light transmission hole; 15. Cuvette; 16. Cylindrical fixing piece; 17. Cuvette; 18. Screw; 19. Stepper motor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0020] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0021] See also Figure 1-4The utility model provides a technical solution: a universal analysis device for a rotary cuvette and colorimetric tube, comprising a motor fixing plate 1, a rotating disk base 6 and an analysis tank 8, wherein the rotating disk base 6 is arranged above the motor fixing plate 1, a rotating disk fixing hole 7 is opened in the middle of the rotating disk base 6, a stepping motor 19 is arranged below the motor fixing plate 1, a motor bearing 2 is connected to the driving shaft of the stepping motor 19, the motor bearing 2 passes through the rotating disk fixing hole 7 and is connected to a cylindrical fixing piece 16, and the rotating disk base 6 is connected to the motor bearing 2 via the cylindrical fixing piece 16; above the rotating disk base 6 There are multiple analysis slots 8 evenly arranged for installing cuvettes 15 or colorimetric tubes 17. The analysis slots 8 are square, and a light-transmitting hole 14 is opened on the side of the analysis slots 8. A stainless steel spring 9 is arranged inside the analysis slots 8. By inserting the cuvette 15 or colorimetric tube 17 into the analysis slot 8, the stainless steel spring 9 is used to squeeze the cuvette 15 or colorimetric tube 17, thereby restricting the cuvette 15 or colorimetric tube 17. The rotating disk base 6 is driven to rotate by the stepping motor 19 to change the position of different analysis slots 8 to meet the needs of continuous analysis of the cuvettes 15 or colorimetric tubes 17 in different analysis slots 8.

[0022] Furthermore, a position signal 3 is provided near the side of the motor fixing plate 1, and an L-shaped induction metal sheet 10 that cooperates with the position signal 3 is provided on the rotating disk base 6. A signal control cable 5 is provided on the position signal 3, and a motor control cable 4 is provided on the stepping motor 19. The signal control cable 5 and the motor control cable 4 are both electrically connected to the control main board to achieve centralized control.

[0023] Furthermore, a plurality of screws 18 are provided on the motor fixing plate 1 , and the stepping motor 19 is connected to the motor fixing plate 1 via the screws 18 , so as to facilitate disassembly and assembly at a later stage.

[0024] Furthermore, the analysis slot 8 is equipped with a signal light source 11, a signal receiver 12 and a condenser 13. The signal light source 11 and the signal receiver 12 are respectively located on both sides of the rotating disk base 6. The condenser 13 is located at the output end of the signal light source 11. The signal light source 11 emits a specific wavelength, which is focused by the condenser 13 into a bright line and passes through the light-transmitting hole 14 to be received by the signal receiver 12.

[0025] Furthermore, the analysis tank 8 is connected to the rotating disk base 6 by bolts to facilitate subsequent disassembly and maintenance.

[0026] Furthermore, six analysis slots 8 are provided, and the six analysis slots 8 are distributed in a circular array, with one fixed every 60°.

[0027] Working principle: When in use, just insert the cuvette 15 or colorimetric tube 17 into the analysis slot 8, and use the stainless steel shrapnel 9 in the analysis slot 8 to squeeze the cuvette 15 or colorimetric tube 17 so that the cuvette 15 or colorimetric tube 17 remains taut in the analysis slot 8, and then start the detection project. The stepper motor 19 drives the rotating disk base 6 to rotate, and the position signal 3 controls the stepper motor 19 to rotate to the specified position, and rotates the analysis slot 8 to the middle of the specific wavelength and signal reception. Then the signal light source 11 emits a specific wavelength and focuses the incident light into a bright line through the condenser 13 through the light-transmitting hole 14 on the analysis slot 8. It is then received by the signal receiver 12 and sent to the operational amplifier for calculation and AD conversion for calculation, and the analysis results are calculated for data analysis. The same is true for other analysis slots 8, and multiple samples can be analyzed simultaneously.

[0028] It is worth noting that the entire device is controlled by a master control button. Since the devices matched with the control button are commonly used devices and belong to existing mature technologies, their electrical connection relationships and specific circuit structures will not be described in detail here.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal analysis device for a rotating cuvette and colorimetric tube, characterized in that: The invention comprises a motor fixing plate (1), a rotating disk base (6) and an analysis slot (8), wherein the rotating disk base (6) is arranged above the motor fixing plate (1), a rotating disk fixing hole (7) is opened in the middle of the rotating disk base (6), a stepping motor (19) is arranged below the motor fixing plate (1), a motor bearing (2) is connected to the driving shaft of the stepping motor (19), the motor bearing (2) passes through the rotating disk fixing hole (7) and is connected to a cylindrical fixing member (16), and the rotating disk base (6) is connected to the motor bearing (2) through the cylindrical fixing member (16); a plurality of analysis slots (8) for mounting a cuvette (15) or a colorimetric tube (17) are evenly arranged above the rotating disk base (6), the analysis slots (8) are square, a light-transmitting hole (14) is opened on the side of the analysis slot (8), and a stainless steel spring (9) is arranged inside the analysis slot (8).

2. The universal analysis device for a rotary cuvette and colorimetric tube according to claim 1, characterized in that: The motor fixing plate (1) is provided with a position signal (3) near the side, and the rotating disk base (6) is provided with an L-shaped induction metal sheet (10) that cooperates with the position signal (3), the position signal (3) is provided with a signal control cable (5), and the stepping motor (19) is provided with a motor control cable (4), and the signal control cable (5) and the motor control cable (4) are both electrically connected to the control main board.

3. The universal analysis device for a rotary cuvette and colorimetric tube according to claim 1, characterized in that: The motor fixing plate (1) is provided with a plurality of screws (18), and the stepping motor (19) is connected to the motor fixing plate (1) via the screws (18).

4. The universal analysis device for a rotary cuvette and colorimetric tube according to claim 1, characterized in that: The analysis tank (8) is equipped with a signal light source (11), a signal receiver (12) and a condenser (13). The signal light source (11) and the signal receiver (12) are respectively located on both sides of the rotating disk base (6). The condenser (13) is located at the output end of the signal light source (11). The signal light source (11) emits a specific wavelength, which is focused by the condenser (13) into a bright line and passes through the light-transmitting hole (14) to be received by the signal receiver (12).

5. The universal analysis device for a rotary cuvette and colorimetric tube according to claim 1, characterized in that: The analysis tank (8) is connected to the rotating disk base (6) via bolts.

6. The universal analysis device for a rotary cuvette and colorimetric tube according to claim 1, characterized in that: Six analysis slots (8) are provided, and the six analysis slots (8) are distributed in a circular array.

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