CN211741081U - Automatic colorimetric analyzer - Google Patents

Abstract

The utility model discloses an automatic color comparison analyzer, its technical scheme main points are including the box, the operation mouth has been seted up to one side of box, the inside articulated carousel that has of box, be equipped with drive carousel pivoted driving piece in the box, a plurality of cups have been placed on the carousel, the cup uses the rotation axis of carousel as center along circumference evenly distributed, be equipped with drive carousel pivoted driving piece in the box, the inside reagent pump that has set firmly external kit intercommunication of box, be equipped with the reagent pipe rather than the intercommunication on the reagent pump, box inside has set firmly the determine module through photoelectricity colorimetry detect solution, the determine module is last to set firmly the transport subassembly of solution from cup internal pump to determine module inside, the inside drive reagent pipe that is equipped with of box and transport subassembly are simultaneously along the lifting unit of vertical direction removal, be equipped with on the determine module and be used for arranging external blowdown subassembly with the inside solution of determine module. The utility model discloses reached can be high-efficient, stable detection's effect, be applied to among the water quality testing.

Description

Automatic colorimetric analyzer

Technical Field

The utility model relates to a photoelectric colorimetric detection quality of water field, more specifically the utility model relates to an automatic colorimetric analyzer.

Background

The photoelectric colorimetry measures the absorbance of a series of standard solutions by means of a photoelectric colorimeter, draws a standard curve, and then calculates the content of the measured substance from the standard curve according to the absorbance of the measured solution.

In the prior art, a photoelectric colorimeter is generally used for detecting components in sample water, the photoelectric colorimeter is composed of a light source, a light filter, a cuvette and a photoelectric detector (a photoelectric cell and a galvanometer) which are distributed along a straight line, and according to the lambert-beer law, when the thickness (L) -of a measured solution liquid layer is determined, the concentration (c) of a substance in a solution is in direct proportion to the absorbance (E). I.e. the greater the concentration, the darker the colour, the greater the extent of light absorption, and in this case the lesser the intensity of the light. The light intensity is converted into current through a photocell, the absorbance of the measured substance is indicated according to the magnitude of the current, and then the concentration of the measured solution can be known by comparing the current with the standard solution, so that the content of the measured substance in the sample water can be known.

The existing photoelectric colorimeter can only detect one sample water at a time, when test detection is carried out in a laboratory, multiple data are generally needed for comparison, if a detection mode that the photoelectric colorimeter is placed on the existing technology one by one is adopted, the efficiency is low, the workload of work such as sample water placement, data recording and the like is large, along with the increase of the sample amount, the workload required to be paid is greatly increased when a worker keeps the detection process orderly, the possibility that data are difficult to match with a sample after detection is increased due to mixed data, meanwhile, in order to guarantee high precision, the user needs to accurately control the contents of the sample water and a detection reagent in a cup body, once the content ratio of the sample water and the detection reagent has errors, the precision is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic color comparison analyzer, it is through placing a plurality of cups that are equipped with sample water on the carousel to realized fast and orderly's the orderly detection to a large amount of samples through transporting subassembly, determine module, blowdown subassembly and lifting unit, reduced the possibility of making muddy data when improving the efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automatic colorimetric analyzer, the power distribution box comprises a box body, the operation mouth with its inside and external intercommunication is seted up to one side of box, the inside articulated carousel that has the vertical setting of axis of rotation of box, be equipped with drive carousel pivoted driving piece in the box, place a plurality of cups that are used for holding solution on the carousel, the cup uses the axis of rotation of carousel as center along circumference evenly distributed, the inside reagent pump that has set firmly external kit intercommunication of box, be equipped with the reagent pipe rather than the intercommunication on the reagent pump, box inside sets firmly the determine module that detects solution through the photoelectricity colorimetry, the determine module is last to set firmly the transport subassembly with solution from cup internal pump to determine module inside, the inside drive reagent pipe that is equipped with of box and transport subassembly are simultaneously along the lifting unit that vertical direction removed, the determine module is last to be equipped with and is used for arranging external blowdown subassembly.

By adopting the technical scheme, when the device is used, the cup body filled with the sample water is placed on the rotary table, the rotary table is started, when one cup body rotates to the position below the reagent tube, the lifting assembly is controlled to enable the transfer assembly to extend into the cup body, the transfer assembly is controlled to suck the redundant sample water in the cup body into the detection assembly, the redundant sample water can wash the detection assembly, the residue of the detection assembly in the detection of the previous sample can be washed, the content ratio of the sample water in the detection assembly to the substance to be detected is kept consistent in the subsequent detection, the error is reduced, then the reagent for detection is input into the cup body through the reagent pump, the mixed solution of the detection reagent in the cup body and the sample water is sucked into the detection assembly through the transfer assembly, the mixed solution is detected through the photoelectric colorimetry, and the content of the substance to be detected in the sample water is obtained, then the mixed solution in the detection component is discharged through the pollution discharge component, and the turntable is rotated to detect the sample water in the next cup body.

Preferably, the following steps: a plurality of mounting grooves matched with the cup body are formed in the top surface of the rotary table, and the cup body is placed inside the mounting grooves.

Through adopting above-mentioned technical scheme, can make stable the placing on the carousel of cup through setting up the mounting groove, reduced the carousel and rotated in-process cup and receive centrifugal force to produce the displacement, lead to transporting subassembly and reagent pipe to be difficult to smooth and easy, accurate stretching into the inside possibility of cup, improved job stabilization nature.

Preferably, the following steps: the lifting assembly comprises a linear motor fixedly arranged inside the box body, the reagent pipe is fixedly arranged on the linear motor, the end part, which is not connected with the reagent pump, of the reagent pipe is located below the linear motor, and when the linear motor moves downwards to the maximum degree, one end of the reagent pipe is located inside the cup body.

Through adopting above-mentioned technical scheme, inside control reagent pipe that can be stable through linear electric motor stretched into the cup with determine module, and then realized extracting the inside too much sample water of cup to inside the mixed liquid suction determine module of reagent and sample water that will detect usefulness later, the technology is mature, is convenient for maintain.

Preferably, the following steps: the transportation assembly comprises a transportation pump fixedly arranged inside the box body and a transportation pipe fixedly connected with the transportation pump, the transportation pipe is communicated with the detection assembly, the transportation pump and the outside, one end of the transportation pipe is detachably connected with the end part of the reagent pipe, which is opposite to the reagent pump, and the lifting assembly drives the transportation pipe to move simultaneously with the end part of the reagent pipe.

Through adopting above-mentioned technical scheme, stretch into sample water liquid level below in the cup with the one end of transporting the pipe, can absorb the detection subassembly inside with the sample water of cup inside or the mixed liquid of sample water-reagent for the detection through the transportation pump for the testing process is smooth and easy stable going on.

Preferably, the following steps: the detection assembly comprises a mounting box fixedly arranged inside the box body, a cuvette fixedly arranged inside the mounting box, a photocell fixedly arranged inside the mounting box, an optical filter fixedly arranged inside the mounting box, a light source fixedly arranged inside the mounting box and a galvanometer fixedly arranged inside the mounting box, the transfer pipe is communicated with the cuvette, and the bottom end of the cuvette is communicated with the sewage discharge assembly.

By adopting the technical scheme, the mixed solution of the sample water and the detection reagent can be detected by a photoelectric colorimetric method, and the content of the substance to be detected in the sample water can be detected by the Lambert-beer law.

Preferably, the following steps: the blowdown subassembly is including setting firmly the blow off pipe in the cell bottom and setting firmly the dredge pump on the box inside wall.

Through adopting above-mentioned technical scheme, can discharge the solution that the inside has been detected to the determine module through blow off pipe and dredge pump for can stably go on the testing process to next cup.

Preferably, the following steps: and an overflow pipe for communicating the cuvette with the outside is fixedly arranged at the top end of the side wall of the cuvette.

Through adopting above-mentioned technical scheme, can make the liquid of excessive in the cell flow out to the external world through the overflow pipe when the cell inside holds excessive liquid, reduced the influence to detecting the precision.

Preferably, the following steps: the vertical setting of axis of rotation's the magnetic rotor that has is placed to cup inside, the fan of the vertical setting of axis of rotation is placed to the box inside of carousel below, two magnets towards the carousel setting of fixedly connected with in the pivot of fan, and two magnets are just to the opposite setting of magnetic pole of carousel, and the axis of rotation of fan is on a parallel with the axis of rotation of carousel.

Through adopting above-mentioned technical scheme, the rotation through the fan drives two magnet rotations, and then pivoted magnet can drive the inside magnetic rotor rotation that has of cup, through the mixture of the inside sample water of acceleration cup and reagent for detection, reduces the inhomogeneous great possibility that leads to the testing result error of sample water and reagent for detection mixture.

Preferably, the following steps: the cup is sleeved with a reflector, the inside fixedly connected with infrared switch of box on one side of the turntable is located below the connecting end of the reagent tube and the transfer tube.

Through adopting above-mentioned technical scheme, reflector panel and infrared switch can rotate the cup and manage with transporting stable accurate judgement when managing the below, can make cup on the carousel orderly detect in proper order, make the testing process regulation clear, convenient to use person's record.

Preferably, the following steps: the end part of the transfer pipe connected with the reagent pipe is positioned below one end of the reagent pipe, which is back to the reagent pump.

Through adopting above-mentioned technical scheme, the transport pipe need inhale determine module with the inside excessive sample water of cup inside, wash determine module, walk the back with the inside excessive sample water of cup at the transport pipe, the reagent pipe can be located the inside liquid level top of cup, injects into the inside reagent for the detection of cup through the reagent pipe this moment, inserts in the liquid level below can be convenient for detect in the quick stable entering cup of reagent relatively in the bottom of reagent pipe.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the cup bodies filled with sample water are placed on the rotary table, and ordered detection of a large number of samples is realized rapidly and orderly through the transfer assembly, the detection assembly, the pollution discharge assembly and the lifting assembly, so that the efficiency is improved, and the possibility of data mixing is reduced;

2. the transfer pipe is used for sucking excessive sample water in the cup body into the detection assembly and cleaning the detection assembly, after the transfer pipe sucks the excessive sample water in the cup body away, the reagent pipe can be positioned above the liquid level in the cup body, and at the moment, the detection reagent is injected into the cup body through the reagent pipe, so that the detection reagent can conveniently and stably enter the cup body when being inserted below the liquid level compared with the bottom end of the reagent pipe;

3. the rotation through the fan drives two magnet rotations, and then pivoted magnet can drive the inside magnetic rotor rotation that has of cup, through the mixture of the inside sample water of acceleration cup and reagent for the detection, reduces the inhomogeneous great possibility that leads to the testing result error of sample water and reagent for the detection misce bene.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic diagram showing the position of a reagent pump in the embodiment;

FIG. 3 is a schematic diagram illustrating the position of a linear motor in an embodiment;

FIG. 4 is an enlarged view of a portion A of the detecting unit shown in FIG. 2;

fig. 5 is an enlarged view of a portion B showing the position of the magnet in fig. 3.

Reference numerals: 1. a box body; 11. an operation port; 12. a drive member; 121. a motor; 2. a turntable; 21. mounting grooves; 22. a cup body; 23. a reflector; 24. a fan; 25. a rotor; 26. a magnet; 3. a lifting assembly; 31. a linear motor; 4. a reagent pump; 41. a reagent tube; 5. a blowdown assembly; 51. a sewage pump; 52. a blow-off pipe; 6. a transfer assembly; 61. a transfer pump; 62. a transfer pipe; 63. clamping a hoop; 7. an overflow pipe; 8. a detection component; 81. mounting a box; 82. a light source; 83. an optical filter; 84. a cuvette; 85. a photovoltaic cell; 86. a galvanometer; 9. an infrared switch.

Detailed Description

Example (b): an automatic colorimetric analyzer, see fig. 1 and fig. 2, comprises a case 1, an operation port 11 provided along a horizontal direction is provided on one side wall of the case 1, and the inside of the case 1 is communicated with the outside through the operation port 11. Be equipped with the carousel 2 of the vertical setting of axis of rotation on the inside bottom surface of box 1, 2 levels of carousel set up and are discoid, the bottom fixedly connected with drive carousel 2 pivoted driving piece 12 of box 1, driving piece 12 includes the motor 121 of fixed connection in the box 1 bottom, the vertical upwards setting of output shaft of motor 121, and the top fixed connection of the output shaft of motor 121 is in the central point department of putting of 2 bottoms surfaces of carousel, motor 121 in this embodiment is step motor 121. A plurality of mounting grooves 21 have been seted up on the top surface of carousel 2, and mounting groove 21 is along circumference evenly distributed on carousel 2, and the inside cup 22 that places the opening and set up of mounting groove 21, and the cover is equipped with the opaque reflector panel 23 rather than the coaxial line setting on the lateral wall of cup 22. The reagent pump 4 capable of obtaining the detection reagent from the outside is fixedly connected to the inner side wall of the box body 1, and the reagent tube 41 communicated with the reagent pump 4 is fixedly connected to the reagent pump 4. The side wall of the box body 1 is fixedly connected with a lifting component 3 which drives the end part of the reagent tube 41 back to the reagent pump 4 to move along the vertical direction, and the lifting component 3 in the embodiment comprises a linear motor 31 fixedly connected on the inner side wall of the box body 1. The inner side wall of the box body 1 is fixedly connected with a detection component 8 for detecting the sample water in the cup body 22 by a photoelectric colorimetric method. Fixedly connected with can let in the inside sample water of determine module 8 transport subassembly 6 on the inside wall of box 1, transport subassembly 6 including set firmly transport pump 61 on the box 1 inside wall and with transport pump 61 fixed connection's transfer tube 62, transfer tube 62 has two, the one end and the transfer pump 61 intercommunication of a transfer tube 62, the other end is located linear electric motor 31 below, and this one end is gone up the hoop and is equipped with clamp 63, clamp 63 is in the same place this transfer tube 62 tip and the reagent pipe 41 end connection of being dorsad reagent pump 4 of transfer pump 61, and clamp 63 sets firmly on linear electric motor 31, linear electric motor 31 can drive the tip of reagent pipe 41 dorsad reagent pump 4 and the tip of transfer tube 62 dorsad transfer pump 61 goes up and down simultaneously. The two ends of the other transfer pipe 62 are fixedly connected with the transfer pump 61 and the top of the detection assembly 8 respectively, and the transfer pump 61 is communicated with the detection assembly 8 through the transfer pipe 62. Fixedly connected with can get rid of the external blowdown subassembly 5 with the sample water after 8 inside detections of determine module accomplish on the inside wall of box 1, blowdown subassembly 5 is including setting firmly dredge pump 51 on the box 1 inside wall and setting firmly blow off pipe 52 on dredge pump 51, and blow off pipe 52 has two. Two ends of one sewage discharge pipe 52 are respectively fixedly connected with the sewage discharge pump 51 and the bottom of the detection component 8, one end of the other sewage discharge pipe is fixedly connected with the sewage discharge pump 51, and the other end of the other sewage discharge pipe extends out of the box body 1 through the operation opening 11. An overflow pipe 7 is fixedly connected to the side wall of the detection component 8. Fixedly connected with on the box 1 inside wall of carousel 2 one side of linear electric motor 31 below is infrared switch 9 towards cup 22 setting, and infrared switch 9 passes through reflector 23 and judges cup 22 position rather than the cooperation.

Referring to fig. 3 and 4, the detecting assembly 8 includes a mounting box 81 fixed on the inner side wall of the box 1 (see fig. 1), a light source 82 fixed on the inner side wall of the mounting box 81, a filter 83 fixed inside the mounting box 81, a cuvette 84 fixed inside the mounting box 81, a photocell 85 fixed inside the mounting box 81, and a galvanometer 86 fixed on the inner side wall of the mounting box 81, wherein the galvanometer 86 is electrically connected to the photocell 85. Light source 82, optical filter 83, cell 84, photocell 85 and galvanometer 86 distribute in proper order and do not mutually support along the length direction of mounting box 81, and detection subassembly 8 realizes detecting the sample water inside contrast cell 84 through the photoelectricity colorimetry. The end of the transfer tube 62 that is connected to the detection assembly 8 is located directly above the cuvette 84 and is in communication with the cuvette 84. The end of the drain pipe 52 connected to the detection assembly 8 is located at the bottom of the side wall of the cuvette 84 and is in communication with the cuvette 84. The end of the overflow tube 7 connected to the detection module 8 is located at a middle position of the side wall of the cuvette 84 and communicates with the cuvette 84.

Referring to fig. 4 and 5, a fan 24 with a vertically arranged rotation axis is arranged inside the box body 1 (see fig. 1) below the turntable 2, the fan 24 is positioned below the linear motor 31 (see fig. 3), the rotation axis of the fan 24 is parallel to the rotation axis of the turntable 2, and the fan 24 is not arranged coaxially with the turntable 2. Two magnets 26 which are not mutually abutted are fixedly connected to the top end of the rotating shaft of the fan 24, the two magnets 26 are arranged right opposite to the bottom surface of the rotating disc 2, and the magnetism of the two magnets 26 right opposite to the end surface of the rotating disc 2 is opposite. Rotor 25 of spindle form has been placed to cup 22 inside, and rotor 25 has magnetism, and along with the transferring of carousel 2, each cup 22 can both rotate to the position department that is located directly over between two magnets 26, through the mode of magnetic stirring promptly, rotates through two magnets 26 of the rotatory drive of fan 24, and then makes the inside magnetic rotor 25 that has of cup 22 of two magnets 26 top rotate, realizes the stirring to the inside liquid of cup 22.

The working principle of the automatic colorimetric analyzer during use is as follows: when the device is used, the cup body 22 filled with sample water is placed on the rotary table 2, the rotary table 2 is started, when one cup body 22 rotates to the position below the reagent tube 41, the lifting component 3 is controlled to enable the transfer component 6 to extend into the cup body 22, the transfer component 6 is controlled to suck redundant sample water in the cup body 22 into the detection component 8, redundant sample water can wash the detection component 8, residues of the detection component 8 in the detection of a previous sample can be washed, the content ratio of the sample water in the detection component 8 to substances to be detected in the subsequent detection is ensured to be consistent, errors are reduced, then a reagent for detection is input into the cup body 22 through the reagent pump 4, a mixed solution of the detection reagent in the cup body 22 and the sample water is sucked into the detection component 8 through the transfer component 6, the mixed solution is detected through a photoelectric colorimetry, and the content of the substances to be detected in the sample water is obtained, the mixed solution in the detection assembly 8 is then discharged through the drainage assembly 5, and the turntable 2 is rotated to detect the sample water in the next cup 22.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. An automatic colorimetric analyzer, comprising: including box (1), operation mouth (11) with its inside and external intercommunication is seted up to one side of box (1), box (1) inside articulated have carousel (2) of the vertical setting of axis of rotation, be equipped with drive carousel (2) pivoted driving piece (12) in box (1), place a plurality of cups (22) that are used for holding solution on carousel (2), cup (22) use the axis of rotation of carousel (2) to follow circumference evenly distributed as the center, box (1) inside has set firmly reagent pump (4) of external reagent intercommunication, be equipped with on reagent pump (4) rather than reagent pipe (41) that communicate, box (1) inside sets firmly detection module (8) through the photoelectric colorimetry detection solution, set firmly on detection module (8) and follow cup (22) internal pump to inside transportation subassembly (6) of detection module (8) with solution, box (1) inside is equipped with drive reagent pipe (41) and transports subassembly (6) and moves along vertical direction simultaneously and move The lifting assembly (3), the detection assembly (8) is provided with a pollution discharge assembly (5) for discharging the solution in the detection assembly (8) to the outside.

2. The automated colorimetric analyzer of claim 1, wherein: a plurality of mounting grooves (21) matched with the cup bodies (22) are formed in the top surface of the rotary plate (2), and the cup bodies (22) are placed in the mounting grooves (21).

3. The automated colorimetric analyzer of claim 1, wherein: the lifting assembly (3) comprises a linear motor (31) fixedly arranged in the box body (1), a reagent pipe (41) is fixedly arranged on the linear motor (31), the end part, which is not connected with the reagent pump (4), of the reagent pipe (41) is positioned below the linear motor (31), and when the linear motor (31) moves downwards to the maximum degree, one end of the reagent pipe (41) is positioned in the cup body (22).

4. The automated colorimetric analyzer of claim 1, wherein: transport subassembly (6) including set firmly in transport pump (61) inside box (1) and with transport pump (61) fixed connection's transport pipe (62), transport pipe (62) with determine module (8), transport pump (61) and external intercommunication, the one end of transport pipe (62) can be dismantled with reagent pipe (41) the tip of being connected dorsad reagent pump (4), the tip that lifting unit (3) drive transport pipe (62) and reagent pipe (41) are connected removes simultaneously.

5. The automated colorimetric analyzer of claim 1, wherein: detection element (8) including set firmly in inside mounting box (81) of box (1), set firmly in inside cell (84) of mounting box (81), set firmly in inside photocell (85) of mounting box (81), set firmly in inside light filter (83) of mounting box (81), set firmly in inside light source (82) of mounting box (81) and set firmly in inside galvanometer (86) of mounting box (81), transfer pipe (62) and cell (84) intercommunication, the bottom and the blowdown subassembly (5) intercommunication of cell (84).

6. The automated colorimetric analyzer of claim 1, wherein: the sewage discharge assembly (5) comprises a sewage discharge pipe (52) fixedly arranged at the bottom of the cuvette (84) and a sewage discharge pump (51) fixedly arranged on the inner side wall of the box body (1).

7. The automated colorimetric analyzer of claim 5 or 6, wherein: and an overflow pipe (7) for communicating the cuvette (84) with the outside is fixedly arranged at the top end of the side wall of the cuvette.

8. The automated colorimetric analyzer of any one of claims 1, 2, 3, 4, 5, and 6, wherein: cup (22) inside has placed the vertical magnetic rotor (25) that has of axis of rotation, fan (24) of the vertical setting of axis of rotation have been placed to box (1) inside below carousel (2), and two magnet (26) that set up towards carousel (2) of fixedly connected with in the pivot of fan (24), two magnet (26) just set up to the magnetic pole of carousel (2) is opposite, and the axis of rotation of fan (24) is on a parallel with the axis of rotation of carousel (2).

9. The automated colorimetric analyzer of any one of claims 1, 2, 3, 4, 5, and 6, wherein: cup (22) are gone up the cover and are equipped with reflector panel (23), the inside fixedly connected with infrared switch (9) of box (1) of carousel (2) one side, infrared switch (9) are located the below of reagent pipe (41) and transfer pipe (62) link.

10. The automated colorimetric analyzer of claim 4, wherein: the end part of the transfer pipe (62) connected with the reagent pipe (41) is positioned below one end of the reagent pipe (41) back to the reagent pump (4).

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