CN113970626A - Water quality detection equipment and detection method - Google Patents
Water quality detection equipment and detection method Download PDFInfo
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- CN113970626A CN113970626A CN202111163256.0A CN202111163256A CN113970626A CN 113970626 A CN113970626 A CN 113970626A CN 202111163256 A CN202111163256 A CN 202111163256A CN 113970626 A CN113970626 A CN 113970626A
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- 238000001514 detection method Methods 0.000 title claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 116
- 230000029087 digestion Effects 0.000 claims abstract description 87
- 238000002156 mixing Methods 0.000 claims abstract description 50
- 238000003860 storage Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 61
- 238000003825 pressing Methods 0.000 description 8
- 238000012372 quality testing Methods 0.000 description 8
- 238000001467 acupuncture Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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Abstract
The invention provides water quality detection equipment and a detection method, the water quality detection equipment comprises a base, a digestion bottle, a transportation device, a reagent sample carrying device, a sample carrying driving device, a mixing driving device and a detection unit, wherein the transportation device is fixedly arranged on the surface of the base, the reagent sample carrying device is movably arranged on the surface of the base, the transportation device is used for selectively transporting the digestion bottle to the reagent sample carrying device, the sample carrying driving device is fixedly arranged on the surface of the base, the sample carrying driving device is used for driving different detection stations in the reagent sample carrying device to be close to or far away from the transportation device, the mixing driving device is fixedly arranged on the surface of the base, the mixing driving device is used for driving a reagent in the reagent sample carrying device to be discharged or a sample in the digestion bottle in the reagent sample carrying device to be discharged, the detection unit is fixedly arranged on the surface of the base and is used for detecting the sample in the reagent sample carrying device, the invention can automatically carry out rapid water quality detection on site, and has good application prospect and value.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to water quality detection equipment and a water quality detection method.
Background
Water quality is an important index in environmental detection, environmental protection departments or water treatment enterprises need to detect water quality regularly so as to judge whether the water quality meets the requirements, the conventional water quality detection at present depends on a specific chemical examination department, the detection process is to sample on site by sampling personnel, and then the sample is conveyed to a chemical examination unit to complete corresponding index detection in a laboratory.
The main indexes of water quality detection comprise total phosphorus, total nitrogen, ammonia nitrogen, COD and the like, the detection of the indexes usually adopts a spectrophotometry method, but the detection process is relatively complicated and tedious from sampling to detection result, the sample is transported back and forth, the cost is greatly increased, the period is prolonged, and meanwhile, the detection result is inaccurate due to the fact that the water quality has the problem of deterioration in the transportation process.
In the prior art, portable detection equipment for a single item is infinite, but multifunctional detection cannot be realized, and if multifunctional detection is realized, a large amount of equipment for different detection items needs to be carried, which does not meet the actual working requirements of detection personnel.
Based on this, it is urgently needed to optimize the water quality detection method and corresponding flow, and on the premise of shortening the detection period and reducing the detection difficulty, the simultaneous detection of multiple items is realized.
Disclosure of Invention
In view of the above, the present invention provides a water quality detecting apparatus and a water quality detecting method that can be used for multiple different projects.
The technical scheme of the invention is realized as follows: the invention provides water quality detection equipment which comprises a base, a digestion bottle, a transportation device, a reagent sample carrying device, a sample carrying driving device, a mixing driving device and a detection unit, wherein the digestion bottle is arranged on the base;
the transportation device is fixedly arranged on the surface of the base;
the reagent sample loading device is movably arranged on the surface of the base, the transportation device is used for selectively transporting the digestion bottle to the reagent sample loading device, and the reagent sample loading device is used for providing a reagent storage space and a reagent reaction space;
the sample loading driving device is fixedly arranged on the surface of the base and is used for driving different detection stations in the reagent sample loading device to be close to or far away from the conveying device;
the mixing driving device is fixedly arranged on the surface of the base and is used for driving the reagent in the reagent sample loading device to be discharged or the sample in the digestion bottle in the reagent sample loading device to be discharged, so that the sample and the reagent are mixed in the reagent sample loading device;
the detection units are fixedly arranged on the surface of the base, the number of the detection units is not less than two, and the detection units are used for detecting samples in the reagent sample loading device.
On the basis of above technical scheme, it is preferred, conveyer includes first driving motor, driving belt, track and clamping jaw, the equal fixed mounting in base surface of first driving motor and track, driving belt rotates and sets up on the base surface, and driving belt's partly and the mutual coincidence of track, first driving motor is connected with the driving belt transmission, and the clamping jaw slides and sets up in the track and clamping jaw and driving belt fixed connection, and orbital one end is close to reagent and carries appearance device, thereby the other end is kept away from reagent and is carried appearance device and be convenient for put into the clamping jaw or take out from the clamping jaw with clearing up the bottle.
On the basis of the above technical solution, preferably, a heating device is installed on the surface of the grabbing part of the clamping jaw.
On the basis of above technical scheme, it is preferred, the reagent carries appearance device includes tray storehouse and tray, and the tray storehouse is installed on the base surface, and the rotatable setting of tray is in the tray storehouse, and the surface of tray is provided with a plurality of detection station along circumference array, is provided with one in every detection station and clears up a bottle station, a plurality of reagent station and mixed station, clears up a bottle station and is used for holding and clears up the bottle, and the reagent station is used for holding the storage unit that the parcel has the reagent, and mixed station all communicates each other with each reagent station and clears up a bottle station.
Further preferably, carry appearance drive arrangement includes second driving motor and tenon, second driving motor fixed mounting is on the base surface, and second driving motor's output fixed mounting has the tenon, the bottom of tray is provided with the mortise, the tenon matches each other with the mortise, and the tenon embedding is in the mortise.
On the basis of the technical scheme, preferably, the sample loading driving device further comprises a first driving cylinder, the reagent sample loading device further comprises a sliding groove and a guide post, the first driving cylinder and the guide post are fixedly mounted on the surface of the base, the sliding groove is slidably mounted on the guide post, the output end of the first driving cylinder is fixedly connected with the sliding groove, the driving direction of the first driving cylinder is parallel to the length direction of the guide post, the tray bin is slidably mounted in the sliding groove, and the tenon is selectively embedded into the tenon in the sliding process of the sliding groove along the guide post.
On the basis of the above technical scheme, preferably, the mixing driving device includes a second driving cylinder, a first puncturing needle and a pressure rod, the second driving cylinder is fixedly installed on the surface of the base, the output end of the second driving cylinder is fixedly installed with the first puncturing needle and the pressure rod, the second driving cylinder drives the first puncturing needle and the pressure rod to reciprocate, so that the pressure rod selectively presses the digestion bottles in the digestion bottle station, and thus the sample liquid in the digestion bottles flows out, and simultaneously the first puncturing needle selectively punctures the storage units of the reagents in the reagent station, and thus the reagents in the storage units flow out.
On the basis of the technical scheme, it is preferred that the digestion bottle comprises a bottle body, a bottle cap and a sealing sheet, wherein the bottle cap is provided with an opening opposite to the opening of the bottle body, the sealing sheet is embedded into the opening in the bottle cap and seals the opening, the bottle cap is tightly installed on the opening of the bottle body, the bottle cap of the digestion bottle is selectively embedded downwards into a digestion bottle station, a second puncture needle is installed inside the digestion bottle station, and the second puncture needle is opposite to the sealing sheet.
On the basis of the above technical solution, preferably, the detecting unit includes a light emitting element and a receiving element opposite to the light emitting element, the mixing station is selectively located between the light emitting element and the receiving element, the mixing station is made of a transparent material, and the plurality of detecting units are circumferentially arrayed around the reagent sample loading device.
The invention also provides a detection method of the water quality detection equipment, which comprises the following steps:
placing a digestion bottle filled with a sample to be detected into a clamping jaw of a transportation device, heating the digestion bottle by the clamping jaw to enable the digestion bottle to meet the temperature requirement of detection processing, and transporting the clamping jaw with the digestion bottle to the position of a reagent sample carrying device by the transportation device;
secondly, the second driving motor drives the tray to move to a corresponding detection station to face the transportation device, at the moment, the first driving cylinder drives the sliding groove to move so as to drive the tray to move to the digestion bottle to be embedded into the digestion bottle station, and the first driving cylinder drives the sliding groove to move again and drives the tray to move until the tenon is embedded into the mortise;
driving the sample in the digestion bottle and the reagent in the storage unit corresponding to the reagent in the detection station to extrude and mix in the mixing station by the mixing driving device;
and step four, after the mixing is finished, the sample loading driving device drives the mixing station to move to the corresponding detection unit position, and the result is obtained through the detection of the detection unit.
On the basis of the above technical solution, preferably, a plurality of different item detections can be performed simultaneously, specifically including:
and step five, driving the clamping jaw to move to the position of the reagent sample loading device by the conveying device, driving the sliding groove to move by the first driving cylinder so as to drive the tray to move to the digestion bottle embedded in the clamping jaw, clamping the clamping jaw tightly, driving the sliding groove to move again by the first driving cylinder so as to drive the digestion bottle to separate from the tray, repeating the step two to the step four again at the moment, and completing detection of other items.
Compared with the prior art, the water quality detection equipment and the detection method have the following beneficial effects:
(1) the invention provides portable water quality detection equipment, wherein after field sampling, a sample is stored in a digestion bottle, and the digestion bottle is placed in the water quality detection equipment, so that the corresponding detection steps are automatically completed, the sample does not need to be carried to a laboratory for detection, the detection efficiency of the equipment is high, the same sample can be used for detecting various items, the working intensity of technicians in the field is reduced, the detection period is shortened, the automation degree of the detection process is high, manual operation is not needed, and the operation error can be effectively avoided; (2) the invention has compact structure, can control the temperature of the sample in the sample feeding process, can overcome the influence of environmental factors, can take out and replace the corresponding digestion bottle and tray structure after the detection is finished, is convenient for repeated detection on site, can realize various detection items by one device, has high integration degree and has good application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an isometric view of the water quality testing apparatus of the present invention in use;
FIG. 2 is an isometric view of the water quality testing apparatus of the present invention;
FIG. 3 is an isometric view of another perspective of the water quality testing apparatus of the present invention;
FIG. 4 is an isometric view of a transport device in the water quality testing apparatus of the present invention;
FIG. 5 is an isometric view of a hybrid drive unit in the water quality testing apparatus of the present invention;
FIG. 6 is an isometric view of a portion of a reagent loading device of the water quality testing apparatus of the present invention;
FIG. 7 is a front view of a reagent loading device of the water quality detecting apparatus according to the present invention;
FIG. 8 is an isometric view of another perspective of a portion of the reagent loading device of the water quality testing apparatus of the present invention;
FIG. 9 is an isometric view of a tray portion of the water quality testing apparatus of the present invention;
FIG. 10 is a partial sectional view of a digestion bottle in the water quality detecting apparatus according to the present invention.
In the figure: 1-base, 2-digestion bottle, 3-transportation device, 4-reagent sample carrying device, 5-sample carrying driving device, 6-mixing driving device, 7-detection unit, 8-protective shell, 9-handle, 21-bottle body, 22-bottle cap, 23-sealing sheet, 221-opening, 31-first driving motor, 32-driving belt, 33-rail, 34-clamping jaw, 41-tray bin, 42-tray, 43-detection station, 44-chute, 45-guide column, 421-mortise, 431-digestion bottle station, 4311-second puncture needle, 431-reagent station, 433-mixing station, 51-second driving motor, 52-tenon, 53-first driving cylinder, 61-second driving cylinder, 62-first spike, 63-plunger, 71-light emitting element, 72-receiving element.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, in conjunction with fig. 2-10, the water quality detecting apparatus of the present invention comprises a base 1, a digestion bottle 2, a transporting device 3, a reagent sample loading device 4, a sample loading driving device 5, a mixing driving device 6 and a detecting unit 7;
the transportation device 3 is fixedly arranged on the surface of the base 1;
the reagent sample loading device 4 is movably arranged on the surface of the base 1, the transportation device 3 is used for selectively transporting the digestion bottle 2 to the reagent sample loading device 4, and the reagent sample loading device 4 is used for providing a reagent storage space and a reagent reaction space;
the sample loading driving device 5 is fixedly arranged on the surface of the base 1, and the sample loading driving device 5 is used for driving different detection stations 43 in the reagent sample loading device 4 to be close to or far away from the transportation device 3;
the mixing driving device 6 is fixedly arranged on the surface of the base 1, and the mixing driving device 6 is used for driving the reagent in the reagent loading device 4 to be discharged or the sample in the digestion bottle 2 in the reagent loading device to be discharged, so that the sample and the reagent are mixed in the reagent loading device;
the detecting unit 7 is fixedly arranged on the surface of the base 1, the number of the detecting units 7 is not less than two, and the detecting units 7 are used for detecting samples in the reagent sample loading device 4.
In the above embodiment, as preferred, still include protection casing 8 and handle 9, base 1, conveyer 3, reagent year appearance device 4, year appearance drive arrangement 5, mix drive arrangement 6 and detecting element 7 and all install at the inboard of protection casing 8, and handle 9 is installed at the outside surface of protection casing 8, is provided with the opening on the protection casing 8 for provide the reagent and carry the passageway of appearance device 4 transportation between protection casing 8 inside and outside, the one end of conveyer 3 is close to reagent year appearance device 4, and the other end is close to protection casing 8, and the position that protection casing 8 is close to conveyer 3 is provided with the feed inlet, is used for carrying on the clamping jaw 34 of conveyer 3 digestion bottle 2.
In a specific embodiment, the transportation device 3 includes a first driving motor 31, a driving belt 32, a rail 33 and a clamping jaw 34, the first driving motor 31 and the rail 33 are both fixedly mounted on the surface of the base 1, the driving belt 32 is rotatably disposed on the surface of the base 1, a part of the driving belt 32 coincides with the rail 33, the first driving motor 31 is in transmission connection with the driving belt 32, the clamping jaw 34 is slidably disposed in the rail 33, the clamping jaw 34 is fixedly connected with the driving belt 23, one end of the rail 33 is close to the reagent sample loading device 4, and the other end of the rail 33 is far away from the reagent sample loading device 4, so that the digestion bottle 2 can be conveniently placed into the clamping jaw 34 or taken out of the clamping jaw 34.
In the above embodiment, the rail 33 is used to limit the moving position of the clamping jaw 34 and the posture during the transportation process, so that when the digestion bottle 2 is transported to the reagent sample carrier 4, the opening of the digestion bottle 2 faces the reagent sample carrier 4, in the specific embodiment, the rail includes a vertical section and a horizontal section connected to the vertical section, one end of the horizontal section, which is far away from the vertical section, is close to the reagent sample carrier, a sliding groove is arranged in the rail 33, one end of the clamping jaw 34, which is close to the rail 33, is provided with a sliding block, and one end of the clamping jaw 34, which is close to the rail 33, further includes a first guide wheel set and a second guide wheel, the first guide wheel set includes two first guide wheels, the two first guide wheels are respectively clamped at two sides of the horizontal section in the width direction, the second guide wheel is at one side of the horizontal section in the width direction, and the rolling rails of the first guide wheels, the rolling rails and the rolling rails of the second guide wheels are not intersected and parallel to each other, the end and the side of the vertical section close to the horizontal section are provided with openings, the first guide wheel can roll into the chute of the vertical section through the openings, and the rolling tracks of the second guide wheel are all positioned on the outer side surface of the track 33, so that when the clamping jaw 34 rolls between the horizontal section and the vertical section, the space postures of the clamping jaw 34 are all consistent, and as a preferred scheme, the clamping jaw 34 is horizontally clamped.
In a specific embodiment, the gripping portion of the gripping jaw 34 is surface mounted with a heating device.
In the above embodiment, as preferred, heating device can be the film heating piece, installs and clears up the surface of bottle 2 at the clamping jaw 34 centre gripping, can heat bottle 2 in the in-process of centre gripping, makes it reach the temperature that detects the requirement, as further preferred, still includes temperature sensor, and temperature sensor installs the portion of snatching at clamping jaw 34 for bottle 2's heating temperature is cleared up in the detection, carries out temperature feedback, thereby is convenient for judge whether to open and stop heating device.
In a specific embodiment, the reagent sample loading device 4 comprises a tray bin 41 and a tray 42, the tray bin 41 is installed on the surface of the base 1, the tray 42 is rotatably arranged in the tray bin 41, a plurality of detection stations 43 are arranged on the surface of the tray 42 along a circumferential array, a digestion bottle station 431, a plurality of reagent stations 432 and a mixing station 433 are arranged in each detection station 43, the digestion bottle station 431 is used for accommodating the digestion bottles 2, the reagent stations 432 are used for accommodating storage units wrapped with reagents, and the mixing station 433 is communicated with each reagent station 432 and the digestion bottle station 431.
In the above embodiment, the tray 42 is preferably disc-shaped, a groove with a corresponding shape is arranged in the tray bin 41, the bottom of the groove is provided with a through hole, the digestion bottle 2 is selectively inserted into the digestion bottle station 431 of different detection stations 43, so that different detection items can be performed, different detection reagent storage units are correspondingly placed in each detection station 43, each storage unit is a capsule structure capable of being punctured by acupuncture, for example, a cavity wrapped by a rubber shell, when the acupuncture is performed, reagents in the storage units are extruded and overflow from the acupuncture opening, and when the acupuncture is withdrawn, the opening is sealed along with the resilience of the cavity.
In the above embodiment, the liquids flowing out from the digestion bottle station 431 and the reagent station 432 are mixed at the mixing station 433, and it is preferable that the horizontal height of the mixing station 433 is the lowest, and the reagent and the sample automatically flow to the mixing station 433 due to gravity to be mixed, or the mixing station 433 is disposed at a position where the tray 42 is farther close to the center of the tray 42, and the reagent flows to the mixing tube station 433 to be mixed by generating centrifugal force by rotating the tray 42, as a preferable embodiment, the passages of the digestion bottle station 431 and the reagent station 432 flowing to the mixing station 433 are provided with check structures, such as check valve plates.
In a specific embodiment, the sample loading driving device 5 includes a second driving motor 51 and a tenon 52, the second driving motor 51 is fixedly installed on the surface of the base 1, the tenon 52 is fixedly installed at an output end of the second driving motor 51, a mortise 421 is provided at the bottom of the tray 42, the tenon 52 is matched with the mortise 421, and the tenon 52 is embedded in the mortise 421.
In the above embodiment, the second driving motor 51 is in transmission connection with the tray 42 through the tenon 52, so that the driving tray 42 can be rotated, the rotating tray 42 can be connected with the conveying device 3 in a butt joint mode through the conversion detection station 43, the digestion bottles 2 are conveyed to different detection stations 43 for detection, and high-speed rotation can be realized to achieve the centrifugal mixing effect.
In a specific embodiment, the sample loading driving device 5 further comprises a first driving cylinder 53, the reagent sample loading device 4 further comprises a sliding chute 44 and a guiding column 45, the first driving cylinder 53 and the guiding column 45 are both fixedly mounted on the surface of the base 1, the sliding chute 44 is slidably mounted on the guiding column 45, the output end of the first driving cylinder 53 is fixedly connected with the sliding chute 44, the driving direction of the first driving cylinder 53 is parallel to the length direction of the guiding column 45, the tray bin 41 is slidably mounted in the sliding chute 44, and the tenon 52 is selectively embedded in the mortise 421 during the sliding process of the sliding chute 44 along the guiding column 45.
In the above embodiment, the tray magazine 41 slides in the sliding slot 44 along the horizontal direction, the tray magazine 41 reciprocates along the guiding column 45 along with the sliding slot 44, preferably, the guiding column 45 is vertically arranged, the tray 42 can be selectively separated from the tenon 52 by driving the tray magazine 41 to move in the vertical direction, and meanwhile, the tray 42 is selectively close to or away from the transportation device 3 during the movement of the tray 42 in the vertical direction, specifically, when the clamping jaw 34 moves to the position of the reagent sample loading device 4, if the tray 42 ascends, the clamping jaw 34 is close to the tray 42, if the clamping jaw 34 clamps the digestion bottle 2, the digestion bottle 2 can be selectively inserted into the digestion bottle station 431 in the tray 42, and similarly, by the lifting of the tray 42, the rotation of the tray 42 and the clamping loosening of the clamping jaw 34, the digestion bottle 2 can be transferred to different detection stations 43 in the tray 42, so as to realize the detection of a plurality of detection items at the same time.
In a specific embodiment, the mixing driving device 6 comprises a second driving cylinder 61, a first puncturing needle 62 and a pressing rod 63, the second driving cylinder 61 is fixedly arranged on the surface of the base 1, the output end of the second driving cylinder 61 is fixedly provided with the first puncturing needle 62 and the pressing rod 63, the second driving cylinder 61 drives the first puncturing needle 62 and the pressing rod 63 to reciprocate, so that the pressing rod 63 selectively presses the digestion bottle 2 in the digestion bottle station 431, and the sample liquid in the digestion bottle 2 flows out, and simultaneously, the first puncturing needle 62 selectively punctures the storage unit of the reagent in the reagent station 432, and the reagent in the storage unit flows out.
In the above embodiment, the mixing driving device 6 is arranged above the tray 42, the first puncturing needles 62 are used for performing puncturing processing on the reagent stations 432 in the same detection station 43, the number and the positions of the first puncturing needles 62 are matched with those of the reagent stations 432 in the same detection station 43, the positions of the pressing rods 63 are matched with those of the digestion bottle stations 431, the pressing rods 63 are used for pressing the digestion bottles 2 so as to extrude the detection samples in the digestion bottles 2, and the first puncturing needles 62 are used for puncturing and pressing the storage units in the reagent stations 432 so as to extrude the reagents.
In a specific embodiment, the digestion bottle 2 comprises a bottle body 21, a bottle cap 22 and a sealing sheet 23, wherein the bottle cap 22 is provided with an opening 221 at a position opposite to the opening of the bottle body 21, the sealing sheet 23 is embedded and installed at the opening 221 in the bottle cap 22 and seals the opening 221, the bottle cap 22 is tightly installed on the opening of the bottle body 21, the bottle cap 22 of the digestion bottle 2 is selectively embedded in a digestion bottle station 431 downwards, a second puncture needle 4311 is installed inside the digestion bottle station 431, and the second puncture needle 4311 is opposite to the sealing sheet 23.
In the above embodiment, the digestion bottle 2 presses out the sample in such a manner that the second pricking pin 4311 is driven by pressure to prick the sealing sheet 23, thereby causing the sample part inside the digestion bottle 2 to flow out.
In a specific embodiment, the detecting unit 7 includes a light emitting element 71 and a receiving element 72 disposed opposite to the light emitting element 71, the mixing station 433 is selectively disposed between the light emitting element 71 and the receiving element 72, the mixing station 433 is made of a transparent material, and a plurality of detecting units 7 are circumferentially arrayed around the reagent loading device 4.
In the above embodiment, the sample solution processed by the reagent may generally be detected by a spectrophotometric method, specifically, the light emitting element 71 emits specific light, and the receiving element 72 receives and detects the specific light, and calculates according to a preset algorithm to obtain a detection result.
In a specific embodiment, the method for single item detection of the present invention comprises the steps of:
step one, placing a digestion bottle 2 filled with a sample to be detected into a clamping jaw 34 of a transportation device 3, heating the digestion bottle 2 by the clamping jaw 34 to enable the digestion bottle 2 to meet the temperature requirement of detection processing, and transporting the clamping jaw 34 with the digestion bottle 2 to the position of a reagent sample carrying device 4 by the transportation device 3;
step two, the second driving motor 51 drives the tray 42 to move to the corresponding detection station 43 and face the transportation device 3, at this time, the first driving cylinder 53 drives the sliding chute 44 to move so as to drive the tray 42 to move to the digestion bottle 2 to be embedded into the digestion bottle station 431, and the first driving cylinder 53 drives the sliding chute 44 to move again and drives the tray 42 to move until the tenon 52 is embedded into the mortise 421;
driving the sample in the digestion bottle 2 and the reagent in the storage unit corresponding to the reagent in the detection station 43 to extrude and mix in the mixing station 433 by using the mixing driving device 6;
and step four, after the mixing is finished, the sample loading driving device 5 drives the mixing station 433 to move to the position of the corresponding detection unit 7, and the result is obtained through the detection of the detection unit 7.
In the above embodiment, in step three, the mixing method includes directly performing gravity mixing or driving the tray 42 to rotate by the second driving motor 51, so as to achieve material mixing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The water quality detection equipment is characterized by comprising a base (1), a digestion bottle (2), a transportation device (3), a reagent sample carrying device (4), a sample carrying driving device (5), a mixing driving device (6) and a detection unit (7);
the conveying device (3) is fixedly arranged on the surface of the base (1);
the reagent sample loading device (4) is movably arranged on the surface of the base (1), the transportation device (3) is used for selectively transporting the digestion bottle (2) to the reagent sample loading device (4), and the reagent sample loading device (4) is used for providing a reagent storage space and a reagent reaction space;
the sample loading driving device (5) is fixedly arranged on the surface of the base (1), and the sample loading driving device (5) is used for driving different detection stations (43) in the reagent sample loading device (4) to be close to or far away from the conveying device (3);
the mixing driving device (6) is fixedly arranged on the surface of the base (1), and the mixing driving device (6) is used for driving the reagent in the reagent sample loading device (4) to be discharged or the sample in the digestion bottle (2) in the reagent sample loading device to be discharged, so that the sample and the reagent are mixed in the reagent sample loading device;
the detection unit (7) is fixedly arranged on the surface of the base (1), the number of the detection unit (7) is not less than two, and the detection unit (7) is used for detecting samples in the reagent sample loading device (4).
2. A water quality detecting apparatus according to claim 1, wherein the transporting means (3) includes a first driving motor (31), a driving belt (32), a rail (33), and a jaw (34), the first driving motor (31) and the track (33) are both fixedly arranged on the surface of the base (1), the driving belt (32) is rotationally arranged on the surface of the base (1), and partly and the track (33) of driving belt (32) coincide each other, first driving motor (31) is connected with driving belt (32) transmission, and clamping jaw (34) slide and set up in track (33) and clamping jaw (34) and driving belt (23) fixed connection, and the one end of track (33) is close to reagent year appearance device (4), thereby the other end is kept away from reagent year appearance device (4) and is convenient for put into clamping jaw (34) or take out from clamping jaw (34) with dispelling bottle (2).
3. A water quality detecting apparatus according to claim 2, wherein a heating device is installed on the surface of the grasping portion of the gripping jaw (34).
4. The water quality detection equipment according to claim 1, wherein the reagent sample loading device (4) comprises a tray bin (41) and a tray (42), the tray bin (41) is installed on the surface of the base (1), the tray (42) is rotatably arranged in the tray bin (41), a plurality of detection stations (43) are arranged on the surface of the tray (42) along the circumferential array, a digestion bottle station (431), a plurality of reagent stations (432) and a mixing station (433) are arranged in each detection station (43), the digestion bottle station (431) is used for accommodating a digestion bottle (2), the reagent station (432) is used for accommodating a storage unit wrapped with a reagent, and the mixing station (433) is communicated with each reagent station (432) and the digestion bottle station (431).
5. The water quality detection device according to claim 4, wherein the sample loading driving device (5) comprises a second driving motor (51) and a tenon (52), the second driving motor (51) is fixedly installed on the surface of the base (1), the tenon (52) is fixedly installed at the output end of the second driving motor (51), a mortise (421) is arranged at the bottom of the tray (42), the tenon (52) is matched with the mortise (421), and the tenon (52) is embedded in the mortise (421).
6. The water quality detection device according to claim 5, wherein the sample loading driving device (5) further comprises a first driving cylinder (53), the reagent sample loading device (4) further comprises a sliding chute (44) and a guide post (45), the first driving cylinder (53) and the guide post (45) are fixedly arranged on the surface of the base (1), the sliding chute (44) is slidably arranged on the guide post (45), the output end of the first driving cylinder (53) is fixedly connected with the sliding chute (44), the driving direction of the first driving cylinder (53) is parallel to the length direction of the guide post (45), the tray bin (41) is slidably arranged in the sliding chute (44), and the tenon (52) is selectively embedded in the mortise (421) in the sliding process of the sliding chute (44) along the guide post (45).
7. A water quality detection device according to claim 4, wherein the mixing driving device (6) comprises a second driving cylinder (61), a first puncturing needle (62) and a pressure rod (63), the second driving cylinder (61) is fixedly arranged on the surface of the base (1), the output end of the second driving cylinder (61) is fixedly provided with the first puncturing needle (62) and the pressure rod (63), the second driving cylinder (61) drives the first puncturing needle (62) and the pressure rod (63) to reciprocate, so that the pressure rod (63) selectively presses the digestion bottle (2) in the digestion bottle station (431) to make the sample liquid in the digestion bottle (2) flow out, and simultaneously, the first puncturing needle (62) selectively needles the storage unit of the reagent in the reagent station (432) to make the reagent in the storage unit flow out.
8. The water quality detection device according to claim 7, wherein the digestion bottle (2) comprises a bottle body (21), a bottle cap (22) and a sealing sheet (23), an opening (221) is formed in a position, opposite to the opening of the bottle body (21), of the bottle cap (22), the sealing sheet (23) is embedded in the opening (221) of the bottle cap (22) and seals the opening (221), the bottle cap (22) is tightly installed on the opening of the bottle body (21), the bottle cap (22) of the digestion bottle (2) is downwards selectively embedded in the digestion bottle station (431), a second puncture needle (4311) is installed inside the digestion bottle station (431), and the second puncture needle (4311) is opposite to the sealing sheet (23).
9. A water quality detecting apparatus according to claim 4, wherein the detecting unit (7) comprises a light emitting element (71) and a receiving element (72) disposed opposite to the light emitting element, the mixing station (433) is selectively disposed between the light emitting element (71) and the receiving element (72), the mixing station (433) is made of transparent material, and a plurality of detecting units (7) are circumferentially arrayed around the reagent sample loading device (4).
10. The detection method of water quality detection equipment according to any one of claims 1 to 9, comprising the steps of:
step one, placing a digestion bottle (2) filled with a sample to be detected into a clamping jaw (34) of a transportation device (3), heating the digestion bottle (2) by the clamping jaw (34) to enable the digestion bottle (2) to meet the temperature requirement of detection processing, and transporting the clamping jaw (34) with the digestion bottle (2) to the position of a reagent sample carrying device (4) by the transportation device (3);
secondly, the second driving motor (51) drives the tray (42) to move to the corresponding detection station (43) and is opposite to the conveying device (3), at the moment, the first driving cylinder (53) drives the sliding groove (44) to move so as to drive the tray (42) to move until the digestion bottles (2) are embedded into the digestion bottle station (431), and the first driving cylinder (53) drives the sliding groove (44) to move again and drives the tray (42) to move until the tenon (52) are embedded into the mortise (421);
driving the sample in the digestion bottle (2) and the reagent in the storage unit corresponding to the reagent in the detection station (43) to be extruded out by the mixing driving device (6) and mixing in the mixing station (433);
and step four, after mixing, the sample loading driving device (5) drives the mixing station (433) to move to the position of the corresponding detection unit (7), and the result is obtained through detection of the detection unit (7).
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