Water quality total nitrogen rapid analysis device based on spectrum technology

Abstract

The utility model relates to the technical field of spectrum water quality measurement, in particular to a water quality total nitrogen rapid analysis device based on a spectrum technology, which comprises a base, and a test tube rack is arranged on one side of the top of the base and is used for placing a colorimetric tube; the two adjusting assemblies are both fixed to the top of the base; the two storage boxes are fixed between the two adjusting assemblies, and a quantitative conveying assembly is arranged on the side wall of each storage box; the transmission assembly is connected with the two quantitative conveying assemblies, the quantitative conveying assemblies can be driven to work by the two rotating shafts at a rotating speed of a certain proportion through the diameter proportion of the first belt pulley and the second belt pulley, and then a water sample and a reagent are output at a fixed volume proportion.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spectral water quality measurement, and specifically relates to a water quality total nitrogen rapid analysis device based on spectral technology. BACKGROUND

[0002] In the process of measuring water quality total nitrogen by ultraviolet visible spectrum, water samples need to be digested and treated to oxidize nitrogen compounds in the water samples into nitrate, so as to facilitate the analysis of water quality total nitrogen by ultraviolet visible spectrum. Before digestion and treatment, a digestion reagent (usually an alkaline potassium persulfate solution) needs to be prepared, and then injected into a colorimetric tube at a specific ratio (usually, the ratio of the volume of the water sample to the volume of the alkaline potassium persulfate solution is 10:5), and then digested and treated.

[0003] In the above process, the ratio of water sample to reagent usually needs to be titrated, which is time-consuming and labor-intensive, and is not conducive to the rapid analysis of water quality total nitrogen, thus leading to a decrease in the overall efficiency of water quality total nitrogen analysis. In order to improve the efficiency of digestion work, a water quality total nitrogen rapid analysis device based on spectral technology is proposed. SUMMARY

[0004] The utility model aims at providing a water quality total nitrogen rapid analysis device based on spectral technology to solve the problems raised in the background.

[0005] The technical scheme of the utility model is: a water quality total nitrogen rapid analysis device based on spectral technology, comprising:

[0006] A base is provided with a test tube rack on the top side, and the test tube rack is used to place a colorimetric tube.

[0007] Two adjusting assemblies are fixed on the top of the base.

[0008] Two storage boxes are fixed between the two adjusting assemblies, and each storage box is provided with a quantitative conveying assembly on the side wall.

[0009] A transmission assembly is connected with the two quantitative conveying assemblies.

[0010] The quantitative conveying assembly comprises:

[0011] Two supporting plates are fixed on the side wall of the storage box.

[0012] A rotating shaft is rotatably arranged between the two supporting plates.

[0013] A plurality of conveying units are fixed on the side wall of the storage box, and each conveying unit is in transmission cooperation with the rotating shaft.

[0014] The transmission assembly comprises:

[0015] The first pulley and the second pulley are respectively rotatably connected to the two supporting plates on the same side of the test tube rack, and are respectively fixed to the nearest rotating shafts.

[0016] The transmission belt is sleeved on the first pulley and the second pulley.

[0017] Preferably, the adjusting assembly comprises:

[0018] The motor is fixed to the side wall of one of the supporting plates, and the output shaft of the motor is fixed to the nearest rotating shaft.

[0019] Preferably, the adjusting assembly comprises:

[0020] The electric sliding table is fixed to the top of the base;

[0021] The electric push rod is fixed to the moving end of the electric sliding table;

[0022] The bracket is fixed to the telescopic end of the electric push rod, and the bracket is fixed to the two storage boxes.

[0023] Preferably, the top of each of the two storage boxes is hinged with a cover.

[0024] Preferably, the conveying unit comprises:

[0025] The cylinder is fixed to the storage box;

[0026] The piston is slidably arranged on the inner wall of the cylinder, the top of the piston is fixed with a transmission rod, and the transmission rod penetrates the top of the cylinder;

[0027] The first one-way valve is arranged through the side wall of the cylinder;

[0028] The first pipe body is in communication with the storage box at one end, and is in communication with the first one-way valve at the other end;

[0029] The second one-way valve is arranged through the bottom of the cylinder, and the second pipe body is arranged at the output end of the second one-way valve.

[0030] Preferably, the conveying unit further comprises:

[0031] The connecting frame is fixedly sleeved on the rotating shaft;

[0032] The oval ring is fixed to the connecting frame, and the two side walls of the oval ring are both provided with a sliding groove;

[0033] A connecting seat is fixed to the top of the transmission rod. Connecting rods are rotatably connected to both side walls of the connecting seat, and the two connecting rods are respectively located in two sliding grooves.

[0034] This invention provides a rapid water quality total nitrogen analysis device based on spectral technology, which has the following improvements and advantages compared with the prior art:

[0035] This invention, through the arrangement of a first pulley, a second pulley, a transmission belt shaft, and a quantitative conveying component, enables the two shafts to rotate at a certain ratio based on the diameter ratio of the first and second pulleys, thereby driving the quantitative conveying component to work and outputting water samples and reagents at a fixed volume ratio. Attached Figure Description

[0036] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0037] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0038] Figure 2 This is a schematic diagram of the support plate and motor structure of this utility model;

[0039] Figure 3 This is a front view structural diagram of the cylinder, the first check valve, and the second check valve of this utility model;

[0040] Figure 4 This is a schematic cross-sectional view of the cylindrical body of this utility model;

[0041] Figure 5 This is the utility model Figure 4 A magnified schematic diagram of the structure at point A in the middle.

[0042] Explanation of reference numerals in the attached figures:

[0043] 1. Base; 2. Electric slide; 3. Electric push rod; 4. Bracket; 5. Storage box; 6. Cover; 7. Test tube rack; 8. Support plate; 9. Motor; 10. Rotating shaft; 11. Connecting frame; 12. Elliptical ring; 13. First pulley; 14. Second pulley; 15. Transmission belt; 16. Cylinder; 17. First check valve; 18. First tube; 19. Second check valve; 20. Second tube; 21. Transmission rod; 22. Piston; 23. Connecting seat; 24. Connecting rod. Detailed Implementation

[0044] The utility model discloses below make detailed instructions to the utility model, clear, complete to the technical scheme of the embodiment of the utility model is described, obviously, the described embodiment is only a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor are within the range of the utility model protection.

[0045] The utility model discloses a kind of water quality total nitrogen rapid analysis devices based on spectral technology provided by improvement, and the technical scheme of the utility model is:

[0046] As Figures 1-5 Indicated, a kind of water quality total nitrogen rapid analysis devices based on spectral technology, comprising:

[0047] Base 1, base 1 top side is provided with test tube rack 7, test tube rack 7 is used to place colorimetric tube;

[0048] Two adjusting assemblies, two adjusting assemblies are all fixed on base 1 top;

[0049] Two storage boxes 5, two storage boxes 5 are fixed between two adjusting assemblies, and the side wall of each storage box 5 is provided with quantitative conveying assembly;

[0050] Transmission assembly, transmission assembly and two quantitative conveying assemblies are connected;

[0051] Among them, quantitative conveying assembly includes:

[0052] Two supporting plates 8, two supporting plates 8 are all fixed on the side wall of storage box 5;

[0053] Shaft 10, shaft 10 rotationally arranged between two supporting plates 8;

[0054] Multiple conveying units, multiple conveying units are all fixed on the side wall of storage box 5, and each conveying unit is and shaft 10 transmission cooperation is formed;

[0055] Among them, transmission assembly includes:

[0056] First pulley 13 and second pulley 14, first pulley 13 and second pulley 14 are respectively rotationally connected with two supporting plates 8 on the same side of test tube rack 7, and first pulley 13 and second pulley 14 are respectively fixed with the nearest shaft 10;

[0057] Transmission belt 15, transmission belt 15 is sleeved on first pulley 13 and second pulley 14.

[0058] By selecting the appropriate first pulley 13 and the second pulley 14, the diameter ratio of which is 10:5, the rotation shaft 10 connected with the first pulley 13 rotates ten times, and the rotation shaft 10 connected with the second pulley 14 rotates five times, that is, the two quantitative conveying assemblies convey ten portions of water samples and five portions of reagents respectively, and the volume ratio of the water sample and the reagent in the colorimetric tube is 10:5, so as to avoid the cumbersome work of sampling, adding reagents and titration.

[0059] Further, it also includes:

[0060] The motor 9 is fixed on the side wall of one of the support plates 8, and the output shaft of the motor 9 is fixed with the nearest rotation shaft 10.

[0061] One of the rotation shafts 10 is driven to rotate by the motor 9 to drive the quantitative conveying assembly to work, and then the water sample and the reagent are output.

[0062] Further, the adjusting assembly includes:

[0063] The electric sliding table 2 is fixed on the top of the base 1;

[0064] The electric push rod 3 is fixed on the moving end of the electric sliding table 2;

[0065] The bracket 4 is fixed with the telescopic end of the electric push rod 3, and the bracket 4 is fixed with the two storage boxes 5.

[0066] The height of the storage box 5 is adjusted by the electric push rod 3, and the position of the storage box 5 is adjusted by the electric sliding table 2, so that the storage box 5 can be moved above the colorimetric tube to facilitate the addition of the water sample and the reagent.

[0067] Further, the top of each of the two storage boxes 5 is hinged with a cover body 6.

[0068] Further, the conveying unit includes:

[0069] The cylinder body 16 is fixed with the storage box 5;

[0070] The piston 22 is slidably arranged on the inner wall of the cylinder body 16, the top of the piston 22 is fixed with the transmission rod 21, and the transmission rod 21 penetrates the top of the cylinder body 16;

[0071] The first one-way valve 17 is penetratingly arranged on the side wall of the cylinder body 16;

[0072] The first pipe body 18 is in communication with one end of the storage box 5, and the other end of the first pipe body 18 is in communication with the first one-way valve 17;

[0073] A second one-way valve 19 is arranged through the bottom of the cylinder 16, and the output end of the second one-way valve 19 is provided with a second pipe body 20.

[0074] During the rising of the piston 22, the corresponding liquid in the storage tank 5 enters the cylinder 16 through the first pipe body 18 and the first one-way valve 17, and when the piston 22 descends, the liquid in the cylinder 16 is output through the second one-way valve 19 and the second pipe body 20 by the piston 22.

[0075] Further, the conveying unit further comprises:

[0076] A connecting frame 11 is fixedly sleeved on the rotating shaft 10;

[0077] An oval ring 12 is fixed with the connecting frame 11, and the two side walls of the oval ring 12 are provided with sliding grooves;

[0078] A connecting seat 23 is fixed on the top of the transmission rod 21, and the two side walls of the connecting seat 23 are rotatably connected with connecting rods 24, and the two connecting rods 24 are respectively located in the two sliding grooves.

[0079] During the rotation of the rotating shaft 10, the oval ring 12 is driven to rotate through the connecting frame 11, and due to the shape of the oval ring 12 and the sliding grooves on the oval ring 12, the transmission of the connecting rod 24 and the connecting seat 23 makes the transmission rod 21 move up and down, thereby driving the piston 22 to rise and descend.

[0080] Specifically, the working principle is: when in use, first pour the water sample into one of the storage tanks 5, and pour the prepared reagent into the other storage tank 5;

[0081] Put the cuvettes into the holes on the test tube rack 7 in turn, and turn on the switch of the electric push rod 3, and realize the height rising of the two storage tanks 5 through the cooperation of the electric push rod 3 and the support 4, and drive the end of the second pipe body 20 to rise, then turn on the switch of the electric sliding platform 2, and move the two storage tanks 5 to the upper side of the test tube rack 7 through the work of the electric sliding platform 2, and make the end of the second pipe body 20 on the two storage tanks 5 be above the cuvettes, and then adjust the height of the second pipe body 20 through the electric push rod 3, so that the second pipe body 20 on the two storage tanks 5 is lowered into the cuvettes;

[0082] Turn on the switch of the motor 9, and when the motor 9 works, drive one of the rotating shafts 10 to rotate, and through the action of the first belt pulley 13, the second belt pulley 14 and the transmission belt 15, synchronously drive the other rotating shaft 10 to rotate;

[0083] The rotating shaft 10 rotates the oval ring 12 through the connecting frame 11. Due to the shape of the oval ring 12 and the sliding groove on the oval ring 12, the transmission of the connecting rod 24 and the connecting seat 23 makes the transmission rod 21 move up and down, thereby driving the piston 22 to rise and fall. In the process of the piston 22 rising, the corresponding liquid in the storage tank 5 enters the cylinder 16 through the first pipe body 18 and the first one-way valve 17. When the piston 22 falls, the liquid in the cylinder 16 is output through the second one-way valve 19 and the second pipe body 20.

[0084] Since the two storage tanks 5 contain different liquids, the reagent and water sample can be injected into the colorimetric tube at the same time. In addition, through the diameter ratio of the first pulley 13 and the second pulley 14, the piston 22 near the second pulley 14 moves a corresponding proportion of the cycle in the process of the piston 22 near the first pulley 13 moving one cycle. Since each cylinder 16 has the same specifications, the volume ratio of the reagent and water sample injected into the colorimetric tube is the same as the diameter ratio of the first pulley 13 and the second pulley 14, thereby realizing the work of sampling, adding reagent, titration, etc. without repeating;

[0085] Finally, the colorimetric tube is sealed, and the digestion is performed. After the digestion is completed, the water sample can be analyzed by the spectral analysis equipment to analyze the total nitrogen of the water quality.

Claims

1. A device for rapid analysis of total nitrogen in water based on spectroscopic technology, characterized in that, The utility model relates to a colorimetric tube automatic feeding device, including: Base (1), one side of the top of base (1) is equipped with test tube rack (7) for placing colorimetric tube; Two adjusting assemblies, two adjusting assemblies are fixed on the top of base (1); Two storage boxes (5), two storage boxes (5) are fixed between two adjusting assemblies, and the side wall of each storage box (5) is provided with a quantitative conveying assembly; Transmission assembly, transmission assembly and two quantitative conveying assemblies are connected; Wherein, the quantitative conveying assembly includes: Two support plates (8), two support plates (8) are fixed on the side wall of storage box (5); Rotating shaft (10), rotating shaft (10) is rotationally arranged between two support plates (8); A plurality of conveying units, a plurality of conveying units are fixed on the side wall of storage box (5), and each conveying unit is in transmission cooperation with rotating shaft (10); Wherein, the transmission assembly includes: First pulley (13) and second pulley (14), first pulley (13) and second pulley (14) are rotatably connected with two support plates (8) on the same side of test tube rack (7) respectively, and first pulley (13) and second pulley (14) are fixed with the nearest rotating shaft (10) respectively; Transmission belt (15), transmission belt (15) is sleeved on first pulley (13) and second pulley (14).

2. The rapid water quality total nitrogen analysis device based on spectral technology according to claim 1, characterized in that, Still include: Motor (9), motor (9) is fixed on the side wall of one of support plates (8), and the output shaft of motor (9) is fixed with the nearest rotating shaft (10).

3. The rapid water quality total nitrogen analysis device based on spectral technology according to claim 1, characterized in that, The adjusting assembly includes: Electric sliding table (2), electric sliding table (2) is fixed on the top of base (1); Electric push rod (3), electric push rod (3) is fixed on the moving end of electric sliding table (2); Support (4), support (4) is fixed with the telescopic end of electric push rod (3), and support (4) is fixed with two storage boxes (5).

4. The rapid water quality total nitrogen analysis device based on spectral technology according to claim 1, characterized in that, Two storage boxes (5) are hinged with cover (6) on the top.

5. The rapid water quality total nitrogen analysis device based on spectral technology according to claim 1, characterized in that, The conveying unit includes: Cylinder (16), cylinder (16) is fixed with storage box (5); Piston (22), piston (22) is slidably arranged on the inner wall of cylinder (16), the top of piston (22) is fixed with transmission rod (21), and transmission rod (21) penetrates the top of cylinder (16); First check valve (17), first check valve (17) is arranged through the side wall of cylinder (16); First pipe body (18), one end of first pipe body (18) is communicated with storage box (5), and the other end of first pipe body (18) is communicated with first check valve (17); Second check valve (19), second check valve (19) is arranged through the bottom of cylinder (16), and the output end of second check valve (19) is provided with second pipe body (20).

6. The rapid water quality total nitrogen analysis device based on spectral technology according to claim 5, characterized in that, The conveying unit further includes: Connecting frame (11), connecting frame (11) is fixedly sleeved on rotating shaft (10); Elliptical ring (12), elliptical ring (12) is fixed with connecting frame (11), and the two side walls of elliptical ring (12) are provided with sliding grooves; A connecting seat (23) is fixed on the top of the transmission rod (21), two side walls of the connecting seat (23) are rotationally connected with connecting rods (24), and the two connecting rods (24) are respectively located in two sliding grooves.

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