A water quality flow analyzer

Abstract

The present invention discloses a water quality flow analyzer, comprising: a sampling module and several reagent modules, and an analysis module, wherein the analysis modules are symmetrically distributed on both sides of the sampling module, and the reagent modules are symmetrically distributed on both sides of the sampling module and the analysis module, and the sampling module and the reagent module are respectively connected to the analysis module; the analysis module comprises: an analyzer host, a reaction container and an analyzer rack, wherein the analyzer host is provided with several and is placed on the analyzer rack in a layered manner, and the reaction container is respectively connected to the sampling tube of the sampling module and the sampling needle of the reagent module through a feeding hose, and is connected to the analyzer host through the feeding hose, and the sample and the reagent are mixed and reacted in the reaction container and then transported to the analyzer host through the feeding hose for analysis. The present invention improves the efficiency of water quality detection and analysis by realizing the automation of water quality analysis.

Description

Technical Field

[0001] The invention relates to the technical field of water quality analysis, in particular to a water quality flow analyzer. Background Art

[0002] With the development of social economy, scientific progress and the improvement of people's living standards, people's requirements for water quality are constantly increasing, whether it is domestic water or production water, and different water quality standards are also constantly developing and improving accordingly. When testing and analyzing different water qualities, different reagents are usually required to be added, and the reagents and samples are analyzed after they are fully mixed and reacted. At this stage, with the continuous improvement of production efficiency requirements, it is very important to realize the automation of water quality analysis to improve the efficiency of water quality testing and analysis. At the same time, the accuracy of water quality testing and analysis should also be guaranteed. Summary of the invention

[0003] The purpose of the present invention is to provide a water quality flow analyzer, which can improve the efficiency of water quality detection and analysis by realizing the automation of water quality analysis. To achieve the above purpose, the present invention adopts the following technical solutions: The present invention discloses a water quality flow analyzer, comprising: a sample injection module, a plurality of reagent modules and an analysis module, wherein the analysis modules are symmetrically distributed on both sides of the sample injection module, the reagent modules are symmetrically distributed on both sides of the sample injection module and the analysis module, and the sample injection module and the reagent module are respectively connected to the analysis module.

[0004] The analysis module includes: an analyzer mainframe, a reaction container and an analyzer rack. There are several analyzer mainframes, which are placed in layers on the analyzer rack. The reaction container is connected to the sampling tube of the injection module and the sampling needle of the reagent module through a delivery hose, and is connected to the analyzer mainframe through a delivery hose. After the sample and the reagent are mixed and reacted in the reaction container, they are transported to the analyzer mainframe through the delivery hose for analysis.

[0005] Furthermore, the sampling module further comprises: a sampling module frame and a three-axis motion platform, wherein the three-axis motion platform is mounted on the sampling module frame, and a placement table is provided on the sampling module frame to place the sample bottle. The sampling tube is mounted on the Z-axis slide of the three-axis motion platform and is arranged above the placement table, and the sampling tube moves up and down under the control of the Z-axis slide to sample the sample bottle.

[0006] The sampling tube includes: an outer tube body, a plurality of inner tube bodies, a carbon fiber tube disposed between the outer tube body and the inner tube body, and an upper joint and a lower joint respectively installed above and below the outer tube body. The upper joint and the lower joint are both provided with a plurality of through holes, and the two ends of the inner tube body are respectively connected to the through holes of the upper joint and the lower joint.

[0007] Furthermore, a liquid blocking device is installed on the back of the end of the Z-axis slide, and the liquid blocking device includes: a liquid blocking plate and a micro motor, one end of the micro power device is installed on the Z-axis slide through a second boss, and the other end is provided with a telescopic connecting shaft; one end of the liquid blocking plate is installed on the Z-axis slide through a rotating shaft, and the other end is provided with a first boss, the first boss is embedded in the telescopic connecting shaft, and the liquid blocking plate is rotated out or retracted around the rotating shaft under the action of the micro power device; at the same time, a liquid holding tank is provided on the liquid blocking plate to hold the residual liquid dripping from the sampling tube.

[0008] Wherein, the liquid blocking device further includes: a sensor, the sensor is installed on the Z-axis slide and is located on the side of the liquid blocking plate, and the liquid blocking plate is provided with a protrusion, and the sensor senses the position of the protrusion.

[0009] Preferably, a sample bottle rack is provided on the placement table to place sample bottles in batches for batch sampling; at the same time, a sampling tube cleaning box is provided on one side of the sampling module frame, and when the sampling tube completes sampling, it is inserted into the sampling tube cleaning box for cleaning.

[0010] Preferably, the outer tube body, the inner tube body, the upper joint and the lower joint are all made of PDFE tubes, and a necking structure is used above the upper joint.

[0011] Furthermore, the reagent module further comprises: a reagent module frame, a transmission device and a lifting device, wherein two sets of the transmission device and the lifting device are respectively provided and installed on both sides of the reagent module frame. A movable platform is provided on the transmission device to place the reagent bottle, and the movable platform moves outward under the control of the transmission device to replace the reagent bottle.

[0012] The lifting device is provided with a lifting platform, the lifting platform is installed directly above the movable platform, and the sampling needle is installed on the lifting platform, and the sampling needle moves up and down under the control of the lifting platform to sample the reagent bottle.

[0013] Wherein, a reagent bottle rack is arranged on the movable platform to place the reagent bottles in batches; meanwhile, a plurality of sampling needles are arranged to perform batch sampling corresponding to the reagent bottles placed in batches.

[0014] Furthermore, a sampling needle inlet is provided at the bottle cap of the reagent bottle so that the sampling needle can be inserted into the reagent bottle for sampling; at the same time, a sealing block is provided on the top of the sampling needle, and when the sampling needle is inserted into the reagent bottle for sampling, the sealing block can seal the gap between the sampling needle and the sampling needle inlet.

[0015] Preferably, the sealing block is connected to the lifting platform via a spring to increase the downward pressure of the sealing block during sampling.

[0016] After adopting the above technical solution, the present invention has the following effects: 1. The present invention is provided with a sampling module, a reagent module and an analysis module, and realizes the automation of water quality analysis through the interaction between the modules, thereby improving the efficiency of water quality detection and analysis on the basis of ensuring the accuracy of water quality detection and analysis.

[0017] 2. The sampling module of the present invention reduces the contamination of the sample in the sample bottle by improving the structure and material of the sampling tube, and ensures the accuracy of water quality detection and analysis by setting a liquid blocking device. At the same time, a three-axis motion platform is set to improve the operating efficiency of the automatic sampling device, thereby improving the overall operating efficiency of water quality detection and analysis. The efficiency of water quality detection and analysis is improved on the basis of ensuring the accuracy of water quality detection and analysis.

[0018] 3. The present invention is provided with a transmission device and a lifting device in the reagent module. The transmission device can improve the efficiency of replacing the reagent bottle. At the same time, through the synergistic effect between the transmission device and the lifting device, the sampling speed of the reagent extraction can be improved, thereby improving the overall operation efficiency of the reagent sampling device, thereby improving the overall operation efficiency of water quality detection and analysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 It is a three-dimensional structural diagram of the sample injection module of the present invention.

[0021] Figure 3 This is a diagram of the internal structure of the three-axis transmission device of the injection module of the present invention.

[0022] Figure 4 for Figure 3 Enlarged view of point A.

[0023] Figure 5 for Figure 3 B view.

[0024] Figure 6 This is an exploded view of the liquid retaining device of the injection module of the present invention.

[0025] Figure 7 This is a state diagram in which the liquid blocking plate of the sampling module of the present invention does not block the outlet end of the sampling tube.

[0026] Figure 8 This is a state diagram of the liquid plate of the sampling module of the present invention shielding the outlet end of the sampling tube.

[0027] Fig. 9 It is a three-dimensional structural diagram of the sampling tube of the present invention.

[0028] Fig.10 It is a top view of the sampling tube of the present invention.

[0029] Fig.11 for Figure 8 CC section view.

[0030] Fig.12 for Fig. 9 Enlarged view of point D.

[0031] Fig.13 for Fig. 9 Enlarged view of point E.

[0032] Fig.14 It is a three-dimensional structural diagram of the reagent module of the present invention.

[0033] Fig.15 This is a diagram of the outward movement state of the reagent module movable platform of the present invention.

[0034] Fig.16 This is a sampling state diagram of the reagent module of the present invention.

[0035] Main component symbols: 1: injection module, 11: injection module rack, 111: placement table, 112: sample bottle rack, 12: three-axis motion platform, 121: Z-axis slide, 13: sampling tube, 131: outer tube body, 132: inner tube body, 133: carbon fiber tube, 134: upper joint, 135: lower joint, 136: through hole, 14: liquid blocking device, 141: liquid blocking plate, 1411: first convex column, 1412: rotating shaft, 1413: liquid tank, 1414: protrusion, 142: micro motor , 1421: telescopic connecting shaft, 1422: second boss, 143: sensor, 15: sampling tube cleaning box, 2: reagent module, 21: reagent module rack, 22: transmission device, 221: movable platform, 222: reagent bottle rack, 23: lifting device, 231: lifting platform, 24: sampling needle, 241: sealing block, 3: analysis module, 31: analyzer mainframe, 32: reaction container, 33: analyzer rack, 4: sample bottle, 5: reagent bottle, 51: sampling needle inlet. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0037] like Figure 1 , Figure 2 and Fig.14As shown, the present invention discloses a water quality flow analyzer, comprising: an injection module 1 and a plurality of reagent modules 2 and an analysis module 3, wherein the analysis modules 3 are symmetrically distributed on both sides of the injection module 1, and the reagent modules 2 are symmetrically distributed on both sides of the injection module 1 and the analysis module 3, and the injection module 1 and the reagent module 2 are respectively connected to the analysis module 3.

[0038] The analysis module 3 includes: an analyzer mainframe 31, a reaction container 32 and an analyzer rack 33. There are several analyzer mainframes 31, which are placed in layers on the analyzer rack 33. The reaction containers 32 are respectively connected to the sampling tube 13 in the injection module 1 and the sampling needle 24 in the reagent module 2 through a delivery hose, and are connected to the analyzer mainframe 31 through a delivery hose. After the sample and the reagent are mixed and reacted in the reaction container 32, they are transported to the analyzer mainframe 31 through the delivery hose for analysis.

[0039] Combination Figures 3 to 6 As shown, in this embodiment, the sampling module 1 also includes: a sampling module frame 11, a three-axis motion platform 12, the three-axis motion platform 12 is installed on the sampling module frame 11, and a placement table 111 is provided on the sampling module frame 11 to place the sample bottle 4.

[0040] The sampling tube 13 is mounted on the Z-axis slide 121 of the three-axis motion platform 12 and is disposed above the placement table 111 . The sampling tube 13 moves up and down under the control of the Z-axis slide 121 to sample the sample bottle 4 .

[0041] Among them, Figures 9 to 13 As shown, the sampling tube 13 includes: an outer tube body 131, a plurality of inner tube bodies 132, a carbon fiber tube 133 arranged between the outer tube body 131 and the inner tube body 132, and an upper joint 134 and a lower joint 135 respectively installed above and below the outer tube body 131. The carbon fiber tube 133 with high hardness is arranged between the outer tube body 131 and the inner tube body 132 to ensure the strength and verticality of the sampling tube 13. In addition, the upper joint 134 and the lower joint 135 are both provided with a plurality of through holes 136, and the two ends of the inner tube body 132 are respectively connected to the through holes 136 of the upper joint 134 and the lower joint 135. In this embodiment, the number of through holes 136 on the upper joint 134 and the lower joint 135 is the same as the number of the analyzer host 31 in the analysis module 3. When the analyzer host 31 is provided with 8 units, the upper joint 134 and the lower joint 135 are provided with 8 through holes 136, corresponding to the connection of 8 inner tube bodies 132, so as to inject samples respectively.

[0042] The outer tube body 131, the inner tube body 132, the upper joint 134, and the lower joint 135 are all made of PDFE tubes, which can reduce the residual liquid dripping on the sampling tube 13 to a certain extent. In addition, the upper joint 134 adopts a constricted structure, which can make the upper joint 134 basically flush with the material delivery hose when connected to the material delivery hose, and will not increase the resistance during the material delivery process.

[0043] In addition, in this embodiment, a liquid blocking device 14 is installed on the back of the end of the Z-axis slide 121, and the liquid blocking device 14 includes: a liquid blocking plate 141 and a micro motor 142, one end of the micro motor 142 is installed on the Z-axis slide 121 through a second convex column 1422, and its end can rotate along the second convex column 1422; the other end of the micro motor 142 is provided with a telescopic connecting shaft 1421. One end of the liquid blocking plate 141 is installed on the Z-axis slide 121 through a rotating shaft 1412, and its end can rotate along the rotating shaft 1412; the other end of the liquid blocking plate 141 is provided with a first convex column 1411, and the first convex column 1411 is embedded in the telescopic connecting shaft 1421.

[0044] When the telescopic connecting shaft 1421 of the micro motor 142 performs telescopic movement, one end thereof slightly rotates around the second protruding column 1422, and the other end acts on the liquid baffle 141. Under the limiting pulling action of the telescopic connecting shaft 1421 of the micro power device 142, the other end of the first protruding column 1411 at the end of the liquid baffle 141 performs a rotational movement along the rotating shaft 1412, thereby realizing the two states of rotating out or retracting the liquid baffle 141. Figure 7 The liquid baffle 141 is retracted in the middle, and the sampling tube 13 is extended to perform sampling normally. Figure 8 The middle shows the state of the liquid baffle plate 141 being rotated out. At this time, the sampling tube 13 moves to the retracted state along the Z-axis slide 121. The liquid baffle plate 141 is located below the sampling tube 13 and rotates out to the bottom of the sampling tube 13 to shield the sampling tube 13. At the same time, a liquid storage tank 1413 is provided on the liquid baffle plate 141 to hold the residual liquid dripping from the sampling tube 13 to prevent the residual liquid from falling into the sample bottle 4 on the placement table 111.

[0045] In this embodiment, a sensor 143 is provided on one side of the liquid baffle plate 141, the sensor 143 is mounted on the Z-axis slide 121, and the liquid baffle plate 141 is provided with a protrusion 1414, and the sensor 143 senses the position of the protrusion 1414 to sense the position of the liquid baffle plate 141. The sensor 143 is a displacement sensor, such as an existing capacitive proximity switch, a photoelectric proximity switch, etc.

[0046] A sample bottle rack 112 is provided on the placement table 111 to place sample bottles 4 in batches for batch sampling; at the same time, a sampling tube cleaning box 15 is provided on one side of the sampling module frame 11. When the sampling tube 13 completes sampling, it is inserted into the sampling tube cleaning box 15 for cleaning.

[0047] Combination Fig.15 and Fig.16 As shown, in this embodiment, the reagent module 2 further includes: a reagent module frame 21, a transmission device 22 and a lifting device 23, and two sets of the transmission device 22 and the lifting device 23 are respectively provided and installed on both sides of the reagent module frame 21.

[0048] A movable platform 221 is provided on the transmission device 22 to place the reagent bottle 5 , and the movable platform 221 moves outward under the control of the transmission device 22 to replace the reagent bottle 5 .

[0049] The lifting device 23 is provided with a lifting platform 231 , which is installed directly above the movable platform 221 , and the sampling needle 24 is installed on the lifting platform 231 , and the sampling needle 24 moves up and down under the control of the lifting platform 231 to sample the reagent bottle 5 .

[0050] The movable platform 221 is provided with a reagent bottle rack 222 for placing reagent bottles 5 in batches. Meanwhile, a plurality of sampling needles 24 are provided for batch sampling corresponding to the reagent bottles 5 placed in batches.

[0051] In addition, in this embodiment, a sampling needle inlet 51 is provided at the bottle cap of the reagent bottle 5, so that the sampling needle 24 can be inserted into the reagent bottle 5 for sampling. At the same time, a sealing block 241 is provided on the top of the sampling needle 24. When the sampling needle 24 is inserted into the reagent bottle 5 for sampling, the sealing block 241 can block the gap between the sampling needle 24 and the sampling needle inlet 51 to prevent the volatilization of volatile reagents and cause safety problems. Secondly, the sealing block 241 is connected to the lifting platform 231 through a spring, which can increase the downward pressure of the sealing block 241 during sampling and improve the sealing performance.

[0052] The above description is only a preferred specific implementation of the present invention. Any changes or substitutions that can be easily conceived by a technician familiar with the technical field within the technical scope disclosed by the present invention should be included in the protection scope of the present invention.

Claims

1. A water quality flow analyzer, characterized in that: include: An injection module (1), a plurality of reagent modules (2), and an analysis module (3), wherein the analysis modules (3) are symmetrically distributed on both sides of the injection module (1), and the reagent modules (2) are symmetrically distributed on both sides of the injection module (1) and the analysis module (3), and the injection module (1) and the reagent module (2) are respectively connected to the analysis module (3); The analysis module (3) comprises: an analyzer mainframe (31), a reaction container (32) and an analyzer rack (33). The analyzer mainframe (31) is provided with a plurality of them and placed in a layered manner on the analyzer rack (33). The reaction container (32) is connected to the sampling tube (13) in the injection module (1) and the sampling needle (24) in the reagent module (2) through a delivery hose, and is connected to the analyzer mainframe (31) through a delivery hose. After the sample and the reagent are mixed and reacted in the reaction container (32), they are transported to the analyzer mainframe (31) through the delivery hose for analysis.

2. A water quality flow analyzer as claimed in claim 1, characterized in that: The injection module (1) further comprises: an injection module frame (11) and a three-axis motion platform (12), wherein the three-axis motion platform (12) is mounted on the injection module frame (11), and a placement table (111) is provided on the injection module frame (11) for placing a sample bottle (4); The sampling tube (13) is mounted on the Z-axis slide (121) of the three-axis motion platform (12) and is arranged above the placement table (111). The sampling tube (13) moves up and down under the control of the Z-axis slide (121) to sample the sample bottle (4).

3. A water quality flow analyzer as claimed in claim 2, characterized in that: The sampling tube (13) comprises: an outer tube body (131), a plurality of inner tube bodies (132), a carbon fiber tube (133) arranged between the outer tube body (131) and the inner tube body (132), and an upper joint (134) and a lower joint (135) respectively installed above and below the outer tube body (131); The upper joint (134) and the lower joint (135) are both provided with a plurality of through holes (136), and the two ends of the inner tube body (132) are respectively connected to the through holes (136) of the upper joint (134) and the lower joint (135).

4. A water quality flow analyzer as claimed in claim 2, characterized in that: A liquid blocking device (14) is installed on the back of the end of the Z-axis slide table (121), and the liquid blocking device (14) comprises: a liquid blocking plate (141) and a micro motor (142). One end of the micro-power device (142) is mounted on the Z-axis slide (121) via a second convex column (1422), and the other end is provided with a telescopic connecting shaft (1421); one end of the liquid baffle plate (141) is mounted on the Z-axis slide (121) via a rotating shaft (1412), and the other end is provided with a first convex column (1411), the first convex column (1411) is embedded in the telescopic connecting shaft (1421), and the liquid baffle plate (141) is rotated out or retracted around the rotating shaft (1412) under the action of the micro-power device (142); at the same time, a liquid storage tank (413) is provided on the liquid baffle plate (141) to hold residual liquid dripping from the sampling tube (13).

5. A water quality flow analyzer as claimed in claim 4, characterized in that: The liquid blocking device (14) further comprises: a sensor (143), wherein the sensor (143) is mounted on the Z-axis slide (121) and is located on the side of the liquid blocking plate (141), and the liquid blocking plate (141) is provided with a protrusion (1414), and the sensor (143) senses the position of the protrusion (1414).

6. A water quality flow analyzer as claimed in claim 2, characterized in that: The placement table (111) is provided with a sample bottle rack (112) for placing sample bottles (4) in batches for batch sampling. At the same time, a sampling tube cleaning box (15) is provided on one side of the sampling module rack (11). After the sampling tube (13) completes sampling, it is inserted into the sampling tube cleaning box (15) for cleaning.

7. A water quality flow analyzer according to any one of claims 1 to 6, characterized in that: The outer tube body (131), the inner tube body (132), the upper joint (134), and the lower joint (135) are all made of PDFE tubes, and a necking structure is used above the upper joint (134).

8. A water quality flow analyzer as claimed in claim 1, characterized in that: The reagent module (2) further comprises: a reagent module frame (21), a transmission device (22) and a lifting device (23), wherein two sets of the transmission device (22) and the lifting device (23) are respectively provided and installed on both sides of the reagent module frame (21); The transmission device (22) is provided with a movable platform (221) for placing a reagent bottle (5), and the movable platform (221) moves outwards under the control of the transmission device (22) to replace the reagent bottle (5); The lifting device (23) is provided with a lifting platform (231), the lifting platform (231) is installed directly above the movable platform (221), and the sampling needle (24) is installed on the lifting platform (231), and the sampling needle (24) moves up and down under the control of the lifting platform (231) to sample the reagent bottle (5).

9. A water quality flow analyzer as claimed in claim 8, characterized in that: The movable platform (221) is provided with a reagent bottle rack (222) for placing the reagent bottles (5) in batches; at the same time, a plurality of sampling needles (24) are provided to correspond to the reagent bottles (5) placed in batches and perform batch sampling.

10. A water quality flow analyzer as claimed in claim 8 or 9, characterized in that: The bottle cap of the reagent bottle (5) is provided with a sampling needle inlet (51) so that the sampling needle (24) can be inserted into the reagent bottle (5) for sampling; at the same time, a sealing block (241) is provided on the top of the sampling needle (24) so ​​that when the sampling needle (24) is inserted into the reagent bottle (5) for sampling, the sealing block (241) can block the gap between the sampling needle (24) and the sampling needle inlet (51).

11. A water quality flow analyzer as claimed in claim 10, characterized in that: The sealing block (241) is connected to the lifting platform (231) via a spring, thereby increasing the downward pressure of the sealing block (241) during sampling.

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