A multi-station parallel light reflection instrument

Abstract

The application discloses a multi-station parallel light reflection instrument, which comprises a light control main body, a plurality of installation grooves which are circumferentially arranged and are vertically arranged in the light control main body, a light irradiation unit which is arranged in the light control main body and is distributed in one-to-one correspondence with the installation grooves, a control unit which is installed on the outer wall of the light control main body, a temperature control unit which is arranged at the inner center position of the light control main body, and a stirring unit which is installed in the light control main body and is used for providing solution stirring for a reaction tube placed in each installation groove. The application can provide a uniform and dense light field, can reduce the influence of heat generated by each light irradiation unit on the solution temperature during operation, and realizes accurate control on the temperature of a reaction solution.

Description

Technical Field

[0001] This invention belongs to the field of optical control technology, specifically a multi-station parallel optical reflector. Background Technology

[0002] Currently, traditional parallel photochemical reactors employ eight parallel reaction components and are equipped with Wi-Fi modules. In practical use, these reactors are bulky, complex, and prone to interference between components. Furthermore, most parallel photochemical reactors use a bottom-light source (i.e., a single planar light source is placed below the reactor array and shines upwards). While this method is simple, the light entering from the bottom must penetrate the entire reaction solution column. The light intensity decreases exponentially with the penetration depth (solution height), resulting in extremely strong light intensity at the bottom of the reaction tube and very weak light intensity at the top. In addition, high-power bottom light sources (such as LED arrays) generate a large amount of heat, and since the heat source is close to the bottom of the reactor, this causes severe overheating at the bottom of the reaction system, creating a large temperature gradient.

[0003] In addition, traditional parallel photochemical reactors do not have stirring functions, and the few parallel photochemical reactors equipped with stirrers (such as vertical magnetic stirrers) mainly generate laminar or vortex flows in the horizontal direction. The centrifugal force on the fluid is much greater than the axial lifting force, which causes the solid catalyst in the reaction tube to easily settle and accumulate at the bottom, making it difficult for fluids at different heights to exchange effectively.

[0004] Therefore, it is necessary to provide a multi-station parallel optical reflector to solve the problems mentioned in the background art. Summary of the Invention

[0005] To achieve the above objectives, the present invention provides the following technical solution: a multi-station parallel optical reflector, comprising:

[0006] Light control main body;

[0007] The mounting slots are multiple and arranged in a circle, with each mounting slot vertically opened inside the light control body;

[0008] The illumination unit is located inside the light control body and is distributed one-to-one with the mounting slots;

[0009] The control unit is installed on the outer wall of the light control body;

[0010] The temperature control unit is located at the center of the interior of the light control unit;

[0011] A stirring unit, installed inside the light control body, is used to provide solution stirring for the reaction tubes placed in each mounting slot.

[0012] Furthermore, preferably, the temperature control unit includes:

[0013] A liquid guide seat is coaxially fixed inside the optical control body, and each of the mounting slots is disposed through the liquid guide seat;

[0014] The liquid guiding cavity is centrally located in the middle of the liquid guiding seat, and a liquid-separating end cap is sealed and fitted above the liquid guiding seat.

[0015] The liquid inlet is located on the side wall of the liquid guide seat and communicates with the liquid guide cavity;

[0016] The drain port is located on the side wall of the liquid guide seat, and both the inlet and the drain port are sealed with pipe fittings at one end.

[0017] Furthermore, preferably, the control unit includes:

[0018] The liquid crystal display screen is mounted on the outer wall of the light control body;

[0019] An adjustment knob is located below the LCD screen and is electrically connected to the illumination unit.

[0020] Furthermore, preferably, the illumination unit includes:

[0021] A metal sleeve is coaxially installed in the mounting slot;

[0022] The assembly slots are multiple and located within the liquid guide seat, and the assembly slots are circumferentially distributed around the mounting slot.

[0023] The lamp holes are formed on the side wall of the metal sleeve and are corresponding to each of the assembly slots. The multiple lamp holes are arranged at equal intervals along the straight direction of the assembly slots, and one end of the lamp hole is connected to the assembly slot.

[0024] An LED light strip is disposed in the assembly slot, and LED beads are provided on the LED light strip, with each LED bead installed in a corresponding lamp hole.

[0025] Furthermore, as a preferred embodiment, the upper inner wall of the metal sleeve is provided with an annular groove, and a rubber sleeve is snapped and fixed in the annular groove, the rubber sleeve being fitted over the reaction tube.

[0026] Furthermore, as a preferred embodiment, the lamp holes located on the same metal sleeve sidewall are distributed at non-equal heights;

[0027] The light control unit is equipped with a circuit control board, which has multiple electrical connectors arranged in a circular pattern. One end of each LED light strip is connected to the corresponding electrical connector via an adapter.

[0028] Furthermore, preferably, the stirring unit includes:

[0029] The base is coaxially fixed below the light control body;

[0030] The fixing base consists of multiple circumferentially distributed bases, each corresponding to a mounting slot, and each fixing base is embedded and fixed within the base.

[0031] The first rotating shaft is vertically rotatably connected to each of the aforementioned fixed seats;

[0032] A central shaft is rotatably connected to the middle of the base, and a main gear is fixed to the outside of the central shaft;

[0033] Driven teeth are fixed on each of the first rotating shafts, and each driven tooth meshes with the main gear;

[0034] A first magnet is fixed at the upper end of each of the first rotating shafts, and two magnetic poles are symmetrically fixed on the first magnet;

[0035] The rotor is placed inside the reaction tube.

[0036] Furthermore, as a preferred embodiment, a second rotating shaft is rotatably connected to the fixed base, and a second magnet is fixed to the upper end of the second rotating shaft;

[0037] Both the first and second rotating shafts are fixed with bevel gears, and the two bevel gears mesh with each other;

[0038] A bushing is coaxially fitted inside the fixed base outside the first rotating shaft and the second rotating shaft. The bushing is rotatably connected to the fixed base through a bearing, and both the first rotating shaft and the second rotating shaft are slidably connected inside the bushing.

[0039] Furthermore, as a preferred embodiment, a pivot is rotatably disposed within the fixed base, and straight slots are provided at both ends of the pivot; an outer guide sleeve is rotatably fitted onto the lower ends of the first and second pivots, and a guide pin is fixed on the outer guide sleeve, with the two guide pins slidably connected in each of the straight slots.

[0040] Furthermore, as a preferred embodiment, a hydraulic chamber is provided in the fixed base directly below the first rotating shaft, and a piston is slidably connected in the hydraulic chamber, with the upper end of the piston connected to the outer guide sleeve below the first rotating shaft.

[0041] Compared with the prior art, the beneficial effects of the present invention are:

[0042] In this invention, metal sleeves are fixedly installed in each mounting slot within the light control body. Multiple sets of lamp holes are distributed on the sidewalls of the metal sleeves, and each lamp hole is located at a different height. This allows the corresponding LED beads to simultaneously illuminate the reaction tube from multiple angles and axes from different heights, thereby forming a uniform and dense light field around the reaction tube. The temperature control unit within the light control body can effectively control the solution temperature of each reaction tube by supplying coolant at different temperatures. In addition, it can further reduce the impact of the heat generated by each illumination unit during operation on the solution temperature in the reaction tube, achieving precise control of the reaction solution temperature.

[0043] The stirring unit in this invention also includes a rotor placed inside each reaction tube. The rotor is driven to rotate by the magnetic attraction between the first magnet on the first shaft and the rotor, thereby stirring the solution in each reaction tube. The second shaft, which is also configured, can be magnetically connected to the rotor through the second magnet. The tilted second shaft further enhances the flow of the solution in the reaction tube during rotation, generating strong turbulence and axial flow circulation. This allows the reactants in the solution to periodically circulate through the irradiation areas of all LED beads at different heights, thus providing a corresponding stirring effect according to the reaction characteristics (such as viscosity, density difference, etc.) in the reaction tube. Attached Figure Description

[0044] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0045] Figure 2 This is a schematic diagram of the temperature control unit in this invention;

[0046] Figure 3 This is a schematic diagram of the structure of the illumination unit in this invention;

[0047] Figure 4 This is a schematic diagram of the stirring unit in this invention;

[0048] Figure 5 This is a cross-sectional view of the internal structure of the fixing base in this invention;

[0049] Figure 6 This is a schematic diagram of the rotor structure in this invention;

[0050] In the diagram: 1. Light control unit; 11. Control unit; 12. LCD screen; 13. Adjustment knob; 2. Illumination unit; 21. Metal sleeve; 22. Lamp hole; 23. LED light strip; 24. LED lamp bead; 25. Circular groove; 26. Circuit control board; 27. Electrical connector; 3. Temperature control unit; 31. Liquid guide seat; 32. Liquid guide chamber; 33. Liquid septum end cap; 34. Liquid inlet; 35. Liquid outlet; 36. Pipe connector; 4. Stirring unit; 41. Base; 42. First rotating shaft; 43. Central shaft; 44. Main gear; 45. Driven gear; 46. First magnet; 47. Rotor; 5. Fixed seat; 51. Second rotating shaft; 52. Second magnet; 53. Bevel gear; 54. Bushing; 55. Hydraulic chamber; 6. Dial shaft; 61. Straight groove; 62. Outer guide sleeve. Detailed Implementation

[0051] Please see Figures 1-6 In this embodiment of the invention, a multi-station parallel optical reflector includes:

[0052] Light control main body 1;

[0053] The mounting slots are arranged in a circle, and each mounting slot is vertically opened in the light control body 1, while each reaction tube is vertically inserted into the mounting slot.

[0054] The illumination unit 2 is set inside the light control body 1 and is distributed one-to-one with the mounting slots, so that each illumination unit 2 can provide illumination to the corresponding reaction tube.

[0055] The control unit 11 is installed on the outer wall of the light control body 1. It is responsible for unified programming and control of all parameters such as light, temperature, and stirring to achieve automated operation.

[0056] Temperature control unit 3 is located at the center of the interior of the light control unit;

[0057] The stirring unit 4 is installed inside the light control body 1 and is used to provide solution stirring for the reaction tubes placed in each mounting slot.

[0058] In this embodiment, the temperature control unit 3 includes:

[0059] The liquid guide seat 31 is coaxially fixed inside the optical control body 1, and each of the mounting slots is disposed through the liquid guide seat 31.

[0060] The liquid guiding cavity 32 is centrally located in the middle of the liquid guiding seat 31, and a liquid-blocking end cap 33 is sealed and fitted above the liquid guiding seat 31.

[0061] The liquid inlet 34 is provided on the side wall of the liquid guide seat 31 and communicates with the liquid guide cavity 32;

[0062] The drain port 35 is located on the side wall of the liquid guide seat 31. One end of the liquid inlet 34 and the drain port 35 are sealed with a pipe joint 36. The pipe joint 36 outside the liquid inlet 34 is connected to the coolant delivery pipe, which can deliver coolant at the corresponding temperature. The coolant flows into the liquid guide cavity 32, which can effectively regulate the solution temperature of each reaction tube and absorb the heat generated by the light unit 2 during operation, thereby reducing the negative impact of the light unit 2 on the solution temperature of each reaction tube during operation.

[0063] In a preferred embodiment, the control unit 11 includes:

[0064] The liquid crystal display screen 12 is mounted on the outer wall of the light control body 1;

[0065] An adjustment knob 13 is located below the LCD screen 12. The adjustment knob 13 is electrically connected to the illumination unit 2 and can be used to adjust the illumination intensity of the LED beads in each illumination unit 2.

[0066] In this embodiment, the illumination unit 2 includes:

[0067] Metal sleeve 21 is coaxially installed in the mounting groove;

[0068] The assembly slots are multiple and located in the liquid guide seat 31, and the assembly slots are circumferentially distributed around the mounting slot.

[0069] Lamp holes 22 are formed on the side wall of the metal sleeve 21 and are corresponding to each of the assembly slots. Multiple lamp holes 22 are arranged at equal intervals along the straight direction of the assembly slots, and one end of each lamp hole 22 is connected to the assembly slot.

[0070] An LED light strip 23 is disposed within the assembly groove. LED beads 24 are mounted on the LED light strip 23 and are respectively installed in corresponding lamp holes 22. In this invention, the LED beads 24 are circumferentially distributed on the sidewall of the reaction tube, allowing light to directly and horizontally enter from the sidewall without penetrating the entire liquid column. This completely eliminates the fundamental defects of traditional bottom-light-source illumination, such as extremely weak light intensity at the top and overexposure at the bottom, achieving uniform axial illumination. Furthermore, the circumferentially distributed light source provides uniform radial illumination without dead angles, ensuring consistent illumination intensity across any cross-section of the reaction tube. Additionally, the heat generated by the illumination unit 2 is no longer concentrated at a single point but is evenly distributed on the metal sleeve surrounding the reaction tube. Combined with the temperature control unit 3, efficient cooling minimizes the negative impact of multiple LED beads operating simultaneously on the solution temperature in the reaction tube, resulting in higher system reliability.

[0071] In this embodiment, an annular groove 25 is formed on the upper inner wall of the metal sleeve 21, and a rubber sleeve is snapped and fixed in the annular groove 25. The rubber sleeve is fitted over the reaction tube. In addition, multiple symmetrically distributed positioning holes can be formed on the rubber sleeve, and each positioning hole corresponds to the insertion of a small-diameter reaction tube. In this way, the user can quickly replace rubber sleeves of different specifications according to experimental needs to transform an installation slot originally used to place a single standard reaction tube into a "micro reactor array" carrier that can simultaneously place multiple small-diameter reaction tubes.

[0072] In this embodiment, the lamp holes 22 on the side wall of the same metal sleeve 21 are distributed at different heights; the light source generated by the LED beads 24 corresponding to the multiple lamp holes 22 can simultaneously cover different height positions of the reaction tube, and with the solution stirring effect generated when the stirring unit 4 is working, the uniformity of its photochemical reaction is higher.

[0073] The light control body 1 is equipped with a circuit control board 26, and multiple electrical connectors 27 are arranged in a circular pattern on the circuit control board 26. One end of each LED light strip 23 is connected to the corresponding electrical connector 27 through an adapter.

[0074] In a preferred embodiment, the stirring unit 4 includes:

[0075] The base 41 is coaxially fixed below the light control body 1;

[0076] The fixing base 5 is a plurality of circumferentially distributed and is set one by one with the mounting slot, and each fixing base 5 is embedded and fixed in the base 41;

[0077] The first rotating shaft 42 is vertically rotatably connected to each of the fixed seats 5;

[0078] A central shaft 43 is rotatably connected to the middle of the base 41, and a main gear 44 is fixed to the outside of the central shaft 43;

[0079] Driven gear 45 is fixed on each of the first rotating shafts 42, and each driven gear 45 meshes with the main gear 44;

[0080] The first magnet 46 is fixed at the upper end of each of the first rotating shafts 42, and two magnetic poles are symmetrically fixed on the first magnet 46;

[0081] Rotor 47 is placed inside the reaction tube. The two magnetic poles symmetrically fixed on the first magnet 46 can attract the opposite poles of the rotor 47. When the first shaft 42 rotates, the first magnet 46 rotates synchronously with the first shaft 42, thereby realizing the rotation of the rotor 47 in the reaction tube to stir the solution. Specifically, the central shaft 43 can rotate at a constant speed under the drive of the control motor. At this time, the rotor 47 in each reaction tube is attracted to the opposite poles of the first magnet 46. During the rotation of the central shaft 43, the meshing action of the main gear 44 and the driven gear 45 drives each first shaft 42 to rotate synchronously, thereby using the rotor 47 in each reaction tube to stir the solution.

[0082] In this embodiment, a second rotating shaft 51 is rotatably connected inside the fixed base 5, and a second magnet 52 is fixed at the upper end of the second rotating shaft 51.

[0083] Both the first rotating shaft 42 and the second rotating shaft 51 are fixed with bevel gears 53, and the two bevel gears 53 mesh with each other; in this way, when the first rotating shaft 42 rotates, the second rotating shaft 51 can rotate synchronously in the meshing transmission of the bevel gears 53, and its rotation direction is opposite to that of the first rotating shaft 42.

[0084] A bushing 54 is coaxially sleeved inside the fixed base 5 outside the first rotating shaft 42 and the second rotating shaft 51. The bushing 54 is rotatably connected to the fixed base 5 through a bearing, and the first rotating shaft 42 and the second rotating shaft 51 are both slidably connected inside the bushing 54.

[0085] In this embodiment, a pivot shaft 6 is rotatably disposed inside the fixed base 5, and straight slots 61 are provided at both ends of the pivot shaft 6; an outer guide sleeve 62 is rotatably sleeved on the lower ends of the first rotating shaft 42 and the second rotating shaft 51, and a guide pin is fixed on the outer guide sleeve 62, and the two guide pins are slidably connected in each of the straight slots 61; specifically, each bushing 54 rotates synchronously with the corresponding first rotating shaft 42 and second rotating shaft 51. When the first rotating shaft 42 slides out of the bushing 54, the second rotating shaft 51 can slide and retract into the bushing under the deflection and pulling of the pivot shaft 6. Inside the sleeve 54, the first magnet 46 on the first rotating shaft 42 approaches the rotor 47 in the reaction tube and is attracted by opposite charges. The rotor 47 rotates with the first magnet 46 to stir the solution. When the second rotating shaft 51 slides out of the sleeve 54, the first rotating shaft 42 can slide and retract into the sleeve 54 under the deflection of the pivot 6. The first magnet 46 is separated from the rotor 47 in the reaction tube, while the second magnet 52 on the second rotating shaft 51 approaches the rotor 47 in the reaction tube and is attracted by opposite charges. Thus, the rotor 47 rotates in the opposite direction with the second magnet 52 to stir the solution.

[0086] This configuration allows the rotor 47 to rotate and stir at the center of the bottom of the reaction tube by rotating each vertically set first rotating shaft 42, which can form a horizontal laminar flow or vortex, resulting in good solution flow and mixing. On the other hand, the rotor 47 can be rotated and stirred at the bottom of the reaction tube by rotating each inclined second rotating shaft 51, which can generate strong turbulence and axial flow circulation in the reaction tube, completely solving the problems of bottom sedimentation and top stagnation.

[0087] Therefore, based on the reaction characteristics of the solution in each reaction tube (such as viscosity, density difference, etc.), the first rotating shaft 42 can be used in conjunction with the rotation of the second rotating shaft 51, for example: "every 5 minutes of reaction, start the second rotating shaft to stir vigorously for 30 seconds, and then resume the first rotating shaft 42 to stir gently", in order to periodically break the microscopic concentration gradient or agglomerates formed in the solution.

[0088] It should be noted that the selection of the rotor 47 specifications is extremely important, as it must be able to rotate and stir at multiple angles on the arc-shaped bottom wall of the reaction tube. For example, an arc-shaped rotor 47 that is compatible with the arc-shaped bottom wall can be used. The middle part of the rotor 47 can be designed with a slight protrusion to reduce the contact friction with the inner wall of the reaction tube during rotation. In addition, in order to further adapt to the rotational motion of the rotor 47, the bottom wall of the reaction tube can be contoured so that the rotor 47 can rotate and stir at horizontal and inclined angles in the reaction tube.

[0089] A hydraulic chamber 55 is provided inside the fixed base 5 directly below the first rotating shaft 42. A piston is slidably connected in the hydraulic chamber 55. The upper end of the piston is connected to the outer guide sleeve 62 below the first rotating shaft 42. A hydraulic channel is connected to the outside of the hydraulic chamber 55 for hydraulically controlling the axial sliding of the piston, so as to realize the magnetic switching between the first rotating shaft 42 and the second rotating shaft 51 and the rotor 47 in the stirring unit 4.

[0090] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A multi-station parallel light reflector, characterized in that, It includes: Light control body (1); Mounting groove, a plurality of circumferentially arranged, each of the mounting groove is vertically opened in the light control body (1); Illumination unit (2), arranged in the light control body (1) and corresponding to the distribution of the mounting groove; Control unit (11), mounted on the outer wall of the light control body (1); Temperature control unit (3), arranged in the inner center position of the light control body; Stirring unit (4), mounted in the light control body (1), for providing solution stirring for the reaction tube placed in each mounting groove; The stirring unit (4) comprises: Base (41), coaxially fixed below the light control body (1); Fixed seat (5), a plurality of circumferentially arranged and corresponding to the mounting groove, each of the fixed seat (5) is embedded in the base (41); First rotating shaft (42), vertically connected in each of the fixed seat (5); Center shaft (43), rotatably connected in the middle of the base (41), the center shaft (43) is fixed with the main gear (44) outside; Driven tooth (45), fixed on each of the first rotating shaft (42), each of the driven tooth (45) is engaged with the main gear (44); First magnet (46), fixed on the upper end of each of the first rotating shaft (42), the first magnet (46) is symmetrically fixed with two magnetic poles on the upper end; Rotor (47), placed in the reaction tube; The fixed seat (5) is inclinedly rotatably connected with the second rotating shaft (51), the upper end of the second rotating shaft (51) is fixed with the second magnet (52); The first rotating shaft (42) and the second rotating shaft (51) are fixed with the bevel gear (53), and the two bevel gears (53) are engaged with each other; The fixed seat (5) is coaxially sleeved with the shaft sleeve (54) outside the first rotating shaft (42) and the second rotating shaft (51), the shaft sleeve (54) is rotatably connected with the fixed seat (5) through the bearing, and the first rotating shaft (42) and the second rotating shaft (51) are slidably connected in the shaft sleeve (54); The fixed seat (5) is rotatably provided with a driving shaft (6), and the two ends of the driving shaft (6) are provided with straight slots (61); the lower end of the first rotating shaft (42) and the second rotating shaft (51) is rotatably sleeved with an outer guide sleeve (62), the outer guide sleeve (62) is fixed with a guide pin, and the two guide pins are slidably connected in each of the straight slots (61).

2. A multiple station parallel light reflector according to claim 1, wherein, The illumination unit (2) comprises: Metal sleeve (21), coaxially mounted in the mounting groove; Assembly groove, a plurality of arranged and located in the liquid guide seat (31), the assembly groove is circumferentially distributed in the periphery of the mounting groove; Lamp hole (22), opened on the side wall of the metal sleeve (21) and corresponding to each of the assembly groove, a plurality of the lamp holes (22) are equidistantly arranged along the assembly groove, one end of the lamp hole (22) is communicated with the assembly groove; LED lamp strip (23), arranged in the assembly groove, the LED lamp strip (23) is provided with LED lamp beads (24), the LED lamp beads (24) are respectively mounted in the corresponding lamp hole (22). The upper inner wall of the metal sleeve (21) is provided with an annular groove (25), and a rubber sleeve is fixedly engaged in the annular groove (25). The rubber sleeve is fitted outside the reaction tube, and the lamp holes (22) on the same side wall of the metal sleeve (21) are distributed at different heights.

3. A multiple station parallel light reflector according to claim 1, wherein, The control unit (11) includes: A liquid crystal display screen (12) is mounted on the outer wall of the light control body (1); An adjustment knob (13) is located below the LCD screen (12) and is electrically connected to the illumination unit (2).

4. A multiple station parallel light reflector according to claim 2, wherein: The light control body (1) is equipped with a circuit control board (26), and the circuit control board (26) is provided with a plurality of circumferentially distributed electrical connectors (27). One end of each LED light strip (23) is connected to the corresponding electrical connector (27) through an adapter.

5. A multiple station parallel light reflector according to claim 1, wherein: A hydraulic chamber (55) is provided in the fixed seat (5) directly below the first rotating shaft (42). A piston is slidably connected in the hydraulic chamber (55), and the upper end of the piston is connected to the outer guide sleeve (62) below the first rotating shaft (42).

6. A multiple station parallel light reflector according to claim 1, wherein: The temperature control unit (3) includes: The liquid guide seat (31) is coaxially fixed inside the optical control body (1), and each of the mounting slots is disposed through the liquid guide seat (31); A liquid guiding cavity (32) is centrally located in the middle of the liquid guiding seat (31), and a liquid-blocking end cap (33) is sealed and fitted above the liquid guiding seat (31). The liquid inlet (34) is provided on the side wall of the liquid guide seat (31) and communicates with the liquid guide cavity (32); The drain port (35) is located on the side wall of the liquid guide seat (31), and one end of the inlet port (34) and the drain port (35) are sealed with a pipe joint (36).

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