Portable multi-parameter water quality detector for field comparison and measurement of ocean water quality monitoring equipment

Abstract

The invention discloses a portable multi-parameter water quality detector for field comparison and measurement of ocean water quality monitoring equipment in the technical field of ocean water quality detection, which comprises a detector main body and a control screen, the control screen is rotatably connected to the detector main body, and a mounting groove is formed in one side of the detector main body on the control screen. The optical detection assembly is provided with three illumination modes of long-wave light, fluorescence and astigmatism, and the optical detection assembly can detect the turbidity, solute and fluorescence special effect of water; the oxygen content detection assembly can detect the oxygen demand of water quality through chemistry, a feeding assembly is arranged in the oxygen content detection assembly, and the feeding assembly can automatically mix a water sample with a chemical reagent; according to the water quality detection device, through cooperation of optical detection and cod detection, water quality detection data are more comprehensive and accurate, and multi-numerical-value detection of water quality can be achieved on site.

Description

Technical Field

[0001] The invention relates to the technical field of ocean water quality detection, in particular to a portable multi-parameter water quality detector for on-site comparative testing of ocean water quality monitoring equipment. Background Art

[0002] As the earth's environment becomes increasingly harsh, the protection of marine water quality is becoming more and more important. One of the important steps to protect marine water quality is to test marine water quality. High-precision water quality testing is mostly carried out in laboratories, which requires the use of a variety of experimental instruments and the comparison of multiple sets of experimental data to obtain accurate and comprehensive water quality data. However, laboratory testing is inefficient and the transportation cost of samples is high. In existing marine protection, there is a lack of equipment for on-site surveys of seawater. Most of the existing portable water quality detectors can only perform single-value testing, and the accuracy of the test data is limited. The number of effective test values ​​obtained is small, and it is impossible to conduct a comprehensive analysis of water quality. Summary of the invention

[0003] The technical problem of the present invention is to provide a portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment, so as to make the water quality detection data more comprehensive and accurate through the combination of optical detection and COD detection, so as to realize multi-value detection of water quality on-site.

[0004] To achieve the above object, the present invention provides the following technical solution: a portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment, comprising a detector body and a control screen, wherein the control screen is rotatably connected to the detector body, and a mounting groove is provided on one side of the control screen on the detector body, wherein the mounting groove is provided with: An optical detection component, wherein the optical detection component is provided with three illumination modes: long-wave light, fluorescence and scattered light, and the optical detection component can detect the turbidity, dissolved matter and fluorescence effects of water quality; An oxygen content detection component, which can detect the oxygen demand of water quality through chemistry, and a feeding component is arranged inside the oxygen content detection component, and the feeding component can automatically mix the water sample with the chemical reagent; An electrode detection component is arranged on one side of the installation groove, and the electrode detection component can detect the metal content in the water sample.

[0005] As a further solution of the present invention, the optical detection assembly includes an optical detection box, which is fixedly installed in the mounting groove, and a plurality of detection lights are fixedly installed on the bottom of the optical detection box, a light shielding cover is rotatably installed on the upper end of the optical detection box, a side extension tube is fixedly installed on one side of the lower end of the optical detection box, a plurality of colorimetric grooves are evenly arranged below the mounting groove corresponding to the side extension tube, and drip holes are opened at positions on the side extension tube corresponding to the colorimetric grooves.

[0006] As a further solution of the present invention, the oxygen content detection component includes a rotating seat and a COD detector, the COD detector is fixedly installed at the bottom of the mounting groove, the rotating seat is rotatably installed in the mounting groove, the lower end of the rotating seat is fixedly connected to the COD detector through a connecting hose, and a material guide seat is provided at the upper end of the rotating seat, and an introduction tube is clamped at the upper end of the material guide seat, and the sample in the introduction tube can enter the COD detector through the rotating seat and the connecting hose.

[0007] As a further solution of the present invention, the loading assembly includes a side mounting plate, the side mounting plate is fixedly mounted on the upper surface of the mounting groove on one side of the rotating seat, a rotating part is rotatably mounted on the side mounting plate, a rotating motor is fixedly mounted on the end of the rotating part away from the side mounting plate, a connecting frame is fixedly mounted on the output end of the rotating motor, a clamping member is fixedly mounted on the end of the connecting frame away from the rotating motor, the clamping member can clamp and fix the inlet tube, and the connecting frame can telescope and drive the clamping member away from and close to the rotating member.

[0008] As a further solution of the present invention, a storage tank is fixedly installed on one end of the mounting groove corresponding to the colorimetric groove, and an output nozzle is fixedly installed on one side of the storage tank close to the side mounting plate. A sensing component is fixedly installed on the outer surface of the storage tank below the output nozzle. When the feeding assembly drives the introduction tube close to the output nozzle, the chemical reagent in the storage tank will automatically flow out of the output nozzle and enter the introduction tube. A snap-fit ​​seat is provided between the side mounting plate and the storage tank, and a snap-fit ​​groove is provided on the snap-fit ​​seat, which fits with the introduction tube. A connecting seat is provided between the snap-fit ​​seat and the rotating seat, and the introduction tube can be snapped to the upper end of the connecting seat.

[0009] As a further solution of the present invention, the electrode detection assembly includes a traction wire, one end of which is connected to the inside of the detector body, and the other end is led out from the upper end of the detector body and fixedly installed with a detection electrode, which can be pulled into the optical detection box.

[0010] As a further solution of the present invention, a movable cover is fixedly installed on the detector body at a position corresponding to the installation slot, and the movable cover can be rotatably covered on the upper end of the installation slot. Holding pieces are fixedly installed on both sides of the detector body.

[0011] As a further solution of the present invention, a control valve is provided on the output nozzle, and the control valve is electrically connected to the control panel. The control panel can control the output amount flowing out of the storage tank by operating the control valve. The lower end of the control panel is rotatably connected to the mounting base, and the mounting base is fixedly installed on the upper surface of the detector body.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The detector body provided in the present invention is a rectangular block for easy carrying, and can enable three detection methods to monitor data simultaneously, thereby realizing multi-mode and multi-dimensional detection of a single water sample, so that users can obtain more comprehensive water quality data during field surveys, increase the accuracy and representativeness of the acquired detection data, and multiple groups of detection equipment can cooperate with each other at the same time to increase detection efficiency, and the data obtained in different detection modes can be compared and verified to avoid errors that may occur during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the structure of the present invention from a front side perspective; Figure 2 This is a schematic diagram of the structure of the present invention from a rear side perspective; Figure 3 For the present invention Figure 2 A partial schematic diagram of the structure at A in the middle; Figure 4 It is a structural schematic diagram of the introduction pipe in the present invention when it is in a docking state; Figure 5 For the present invention Figure 4 A partial schematic diagram of the structure at B in the middle; Figure 6 This is a schematic diagram of the structure of the introduction tube in the natural state of the present invention; Figure 7 For the present invention Figure 6 A partial schematic diagram of the structure at C in the middle; Figure 8 For the present invention Figure 6 A partial schematic diagram of the structure at D in the middle; Fig. 9 It is a schematic diagram of the structure of the present invention from a top view perspective.

[0015] In the attached drawings: 1. detector body; 2. holding piece; 3. movable cover; 4. control panel; 5. mounting seat; 6. mounting slot; 7. storage tank; 8. output nozzle; 9. induction piece; 10. traction line; 11. detection electrode; 12. colorimetric slot; 13. optical detection box; 14. light shielding cover; 15. rotating seat; 16. snap-fit ​​seat; 17. clamping piece; 18. rotating piece; 19. rotating motor; 20. connecting frame; 21. introduction tube; 22. snap-fit ​​slot; 23. side extension tube; 24. detection light; 25. connecting seat; 26. side mounting plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 9 The present invention provides a technical solution: a portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment, comprising a detector body 1 and a control screen 4, the control screen 4 is rotatably connected to the detector body 1, and a mounting groove 6 is provided on one side of the control screen 4 on the detector body 1, and the mounting groove 6 is provided with: Optical detection component: The optical detection component is equipped with three illumination modes: long-wave light, fluorescence and diffuse light. The optical detection component can detect the turbidity, dissolved matter and fluorescence effects of water quality; An oxygen content detection component, which can detect the oxygen demand of water quality through chemistry. A feeding component is provided in the oxygen content detection component, which can automatically mix the water sample with the chemical reagent; The electrode detection component is arranged on one side of the installation groove 6, and the electrode detection component can detect the metal content in the water sample.

[0018] When working, the upper control screen 4 of the present invention can be folded and stored. After storage, the detector body 1 is a rectangular block, which is convenient for users to carry to the marine water quality survey site. When the marine water quality needs to be tested, the staff can place the collected water sample into the optical detection component, and detect the turbidity, solubility and fluorescence effects of the water sample through the three light distributions of scattered light, long wave light and fluorescence of the optical detection component. At the same time, the optical detection can be performed by directly collecting the water sample from the optical detection component and fixing it in the feeding component. The feeding component collects the chemical reagents required for the corresponding detection, and after mixing, the water sample is transported to the oxygen content detection component for oxygen demand detection. At the same time, the electrode detection component can be placed in the optical detection component to detect the metal element content in the water quality, thereby realizing multiple and multi-dimensional detection of a single water sample. Detection (the compounds and metal elements in the water sample are detected by the oxygen content detection component and the electrode detection component, and the turbidity and fluorescence of the water quality are detected by the optical detection component) so that users can obtain more comprehensive water quality data during field surveys, increase the accuracy and representativeness of the detection data, and multiple sets of detection equipment can cooperate with each other at the same time, and the inspection values ​​obtained by different detection methods can be compared with each other to avoid the problem that a single detection method in the past easily leads to collective errors in the detection values. The data obtained by different detection modes can be compared and verified to avoid errors that may occur during the detection process. Multiple detection methods are carried out simultaneously and are carried together with the equipment, avoiding the trouble of carrying multiple sets of detection equipment in the past, facilitating staff operation and increasing detection efficiency.

[0019] As a further solution of the present invention, the optical detection assembly includes an optical detection box 13, which is fixedly installed in the mounting groove 6, and a plurality of detection lights 24 are fixedly installed on the bottom of the optical detection box 13. A light shielding cover 14 is rotatably installed on the upper end of the optical detection box 13, and a side extension tube 23 is fixedly installed on one side of the lower end of the optical detection box 13. A plurality of colorimetric grooves 12 are evenly arranged below the side extension tubes 23 corresponding to the mounting groove 6, and drip holes are provided at positions corresponding to the colorimetric grooves 12 on the side extension tubes 23.

[0020] During operation, the water sample in the present invention is injected into the optical detection box 13. During actual detection, the light shielding cover 14 is closed and the detection light 24 at the bottom is turned on. The detection light 24 is placed in a scattered light state through the control screen to detect the turbidity of the water in the optical detection box 13. When adjusted to the long-wave light state, the solubility of specific substances in the water sample is determined by adjusting the special wave length. During fluorescence, the fluorescence emitted by the substance under laser irradiation is used for analysis, so as to detect specific components in the water sample according to the fluorescence characteristics of different substances. The water sample in the optical detection box 13 flows out from the side extension tube 23, falls out from the drip hole into the colorimetric tank, and different chemical reagents are dripped into the colorimetric tank to detect the content of different substances in the water.

[0021] As a further solution of the present invention, the oxygen content detection component includes a rotating seat 15 and a COD detector. The COD detector is fixedly installed at the bottom of the mounting groove 6. The rotating seat 15 is rotatably installed in the mounting groove 6. The lower end of the rotating seat 15 is fixedly connected to the COD detector through a connecting hose. A material guide seat is provided at the upper end of the rotating seat 15. An introduction tube 21 is clamped at the upper end of the material guide seat. The sample in the introduction tube 21 can enter the COD detector through the rotating seat 15 and the connecting hose.

[0022] During operation, the rotating seat 15 of the present invention rotates to make the sample in the introduction tube 21 fall into the connecting hose, and then enter the COD detector through the connecting hose, and the oxygen demand of the water quality is detected by the COD detector.

[0023] As a further solution of the present invention, the loading assembly includes a side mounting plate 26, which is fixedly mounted on the upper surface of the mounting groove 6 on one side of the rotating seat 15, and a rotating member 18 is rotatably mounted on the side mounting plate 26. A rotating motor 19 is fixedly mounted on the end of the rotating member 18 away from the side mounting plate 26, and a connecting frame 20 is fixedly mounted on the output end of the rotating motor 19. A clamping member 17 is fixedly mounted on the end of the connecting frame 20 away from the rotating motor 19. The clamping member 17 can clamp and fix the inlet tube 21, and the connecting frame 20 can telescopically drive the clamping member 17 to move away from and closer to the rotating member 18.

[0024] During operation, the water sample in the present invention is placed in the introduction tube 21, and the introduction tube 21 is fixed in the clamping member 17. The rotating member 18 and the connecting frame 20 can drive the introduction tube 21 on the clamping member 17 to move, thereby adjusting the position of the introduction tube 21. The rotating member 18 rotates to adjust the position of the rotating motor 19, and at the same time, the connecting frame 20 is driven to rotate by the rotating motor 19, thereby driving the clamping member 17 to rotate. The rotation of the clamping member 17 drives the introduction tube 21 to rotate around the upper end of the rotating member 18, and the connecting frame 20 extends to drive the introduction tube 21 to move away and closer.

[0025] As a further solution of the present invention, a storage tank 7 is fixedly installed on one end of the mounting groove 6 corresponding to the colorimetric groove 12, and an output nozzle 8 is fixedly installed on one side of the storage tank 7 close to the side mounting plate 26. A sensing component 9 is fixedly installed on the outer surface of the storage tank 7 below the output nozzle 8. When the feeding assembly drives the inlet pipe 21 close to the output nozzle 8, the chemical reagent in the storage tank 7 will automatically flow out of the output nozzle 8 and enter the inlet pipe 21. A clamping seat 16 is provided between the side mounting plate 26 and the storage tank 7, and a clamping groove 22 is provided on the clamping seat 16. The clamping groove 22 is matched with the inlet pipe 21, and a connecting seat 25 is provided between the clamping seat 16 and the rotating seat 15, and the inlet pipe 21 can be clamped to the upper end of the connecting seat 25.

[0026] During operation, the present invention adjusts the position of the introduction tube 21 through the feeding component, thereby adjusting the position of the introduction tube 21 and the storage tank 7. The introduction tube 21 is adjusted to the position of the storage tank 7 storing the specified chemical reagent through the feeding component, and then when the introduction tube 21 is close to the sensing element 9, the chemical reagent in the corresponding storage tank 7 automatically falls into the introduction tube 21, and the chemical reagent is mixed with the water sample in the introduction tube 21. After the sample in the introduction tube 21 is mixed, the feeding component drives the introduction tube 21 to rotate onto the connecting seat 25, and the rotating seat 15 rotates close to the connecting seat 25. After the introduction tube 21 is clamped on the connecting group 25, the lower end is automatically embedded in the material guide seat of the rotating seat 15, thereby avoiding the trouble of manually carrying a metering instrument for water quality testing, and outputting a quantitative reagent through the storage tank 7, thereby avoiding the trouble of manually preparing the sample dosage, reducing the number of instruments required for field testing, and improving the detection efficiency.

[0027] As a further solution of the present invention, the electrode detection assembly includes a traction wire 10, one end of which is connected to the inside of the detector body 1, and the other end is led out from the upper end of the detector body 1 and fixedly installed with a detection electrode 11, which can be pulled into the optical detection box 13.

[0028] During operation, when the metal element content needs to be detected in the present invention, the traction line 10 can be pulled out, the detection electrode 11 can be placed in the optical detection box 13, and the detection electrode 11 can be driven to operate through the control screen 4, so that the metal element flows between the electrodes to complete the detection of the amount of metal elements.

[0029] As a further solution of the present invention, a movable cover 3 is fixedly installed on the detector body 1 at a position corresponding to the mounting groove 6 , and the movable cover 3 can rotate to cover the upper end of the mounting groove 6 , and holding pieces 2 are fixedly installed on both sides of the detector body 1 .

[0030] During operation, the present invention can detect the detection device in the installation slot 6 through the movable cover 3, thereby protecting the detection device, and the holding piece 2 is convenient for holding the device.

[0031] As a further solution of the present invention, a control valve is provided on the output nozzle 8, and the control valve is electrically connected to the control panel 4. The control panel 4 can control the output amount flowing out of the storage tank 7 by operating the control valve. The lower end of the control panel 4 is rotatably connected to the mounting seat 5, and the mounting seat 5 is fixedly installed on the upper surface of the detector body 1.

[0032] During operation, the present invention cooperates with the control valve and the control panel 4 to control the dosage input into the introduction tube 21, thereby avoiding the trouble of dosage adjustment.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment, comprising a detector body (1) and a control panel (4), characterized in that: The control panel (4) is rotatably connected to the detector body (1); a mounting groove (6) is provided on one side of the control panel (4) on the detector body (1); and the mounting groove (6) is provided with: An optical detection component, wherein the optical detection component is provided with three illumination modes: long-wave light, fluorescence and scattered light, and the optical detection component can detect the turbidity, dissolved matter and fluorescence effects of water quality; An oxygen content detection component, which can detect the oxygen demand of water quality through chemistry, and a feeding component is arranged inside the oxygen content detection component, and the feeding component can automatically mix the water sample with the chemical reagent; An electrode detection component, wherein the electrode detection component is arranged on one side of the installation groove (6), and the electrode detection component can detect the metal content in the water sample.

2. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 1 is characterized by: The optical detection assembly comprises an optical detection box (13), the optical detection box (13) being fixedly mounted in the mounting groove (6), a plurality of detection lights (24) being fixedly mounted on the bottom of the optical detection box (13), a light shielding cover (14) being rotatably mounted on the upper end of the optical detection box (13), a side extension tube (23) being fixedly mounted on one side of the lower end of the optical detection box (13), a plurality of colorimetric grooves (12) being evenly arranged below the mounting groove (6) corresponding to the side extension tube (23), and drip holes being provided on the side extension tube (23) at positions corresponding to the colorimetric grooves (12).

3. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 2 is characterized by: The oxygen content detection assembly comprises a rotating seat (15) and a COD detector, wherein the COD detector is fixedly mounted at the bottom of the mounting groove (6), the rotating seat (15) is rotatably mounted in the mounting groove (6), the lower end of the rotating seat (15) is fixedly connected to the COD detector via a connecting hose, the upper end of the rotating seat (15) is provided with a material guide seat, the upper end of the material guide seat is clamped with an introduction tube (21), and the sample in the introduction tube (21) can enter the COD detector through the rotating seat (15) and the connecting hose.

4. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 3 is characterized by: The loading assembly comprises a side mounting plate (26), wherein the side mounting plate (26) is fixedly mounted on the upper surface of the mounting groove (6) on one side of the rotating seat (15), a rotating member (18) is rotatably mounted on the side mounting plate (26), a rotating motor (19) is fixedly mounted on the end of the rotating member (18) away from the side mounting plate (26), a connecting frame (20) is fixedly mounted on the output end of the rotating motor (19), a clamping member (17) is fixedly mounted on the end of the connecting frame (20) away from the rotating motor (19), the clamping member (17) is capable of clamping and fixing the introduction tube (21), and the connecting frame (20) is capable of telescopically driving the clamping member (17) to move away from and toward the rotating member (18).

5. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 4 is characterized by: A storage tank (7) is fixedly mounted on one end of the mounting groove (6) corresponding to the colorimetric groove (12); an output nozzle (8) is fixedly mounted on one side of the storage tank (7) close to the side mounting plate (26); a sensing element (9) is fixedly mounted on the outer surface of the storage tank (7) below the output nozzle (8); when the loading assembly drives the introduction tube (21) close to the output nozzle (8), the chemical reagent in the storage tank (7) automatically flows out from the output nozzle (8) and enters the introduction tube (21); a clamping seat (16) is arranged between the side mounting plate (26) and the storage tank (7); a clamping groove (22) is arranged on the clamping seat (16); the clamping groove (22) is matched with the introduction tube (21); a connecting seat (25) is arranged between the clamping seat (16) and the rotating seat (15); the introduction tube (21) can be clamped to the upper end of the connecting seat (25).

6. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 5, characterized in that: The electrode detection assembly comprises a traction line (10), one end of which is connected to the inside of the detector body (1), and the other end of which is led out from the upper end of the detector body (1) and fixedly mounted with a detection electrode (11), and the detection electrode (11) can be pulled into the optical detection box (13).

7. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 6 is characterized by: A movable cover (3) is fixedly mounted on the detector body (1) at a position corresponding to the mounting groove (6); the movable cover (3) is rotatable to cover the upper end of the mounting groove (6); and holding pieces (2) are fixedly mounted on both sides of the detector body (1).

8. The portable multi-parameter water quality detector for on-site comparison of marine water quality monitoring equipment according to claim 7, characterized in that: The output nozzles (8) are each provided with a control valve, the control valve being electrically connected to the control panel (4), the control panel (4) being capable of controlling the output amount flowing out of the storage tank (7) by operating the control valve, the lower end of the control panel (4) being rotatably connected to the mounting seat (5), and the mounting seat (5) being fixedly mounted on the upper surface of the detector body (1).

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