CN-121994539-A - Water quality sampler for environmental monitoring

CN121994539ACN 121994539 ACN121994539 ACN 121994539ACN-121994539-A

Abstract

The invention provides a water quality sampler for environmental monitoring, which relates to the technical field of water quality sampling and comprises a servo motor, a pressure control water inlet mechanism, a sampling disc, a water sample collecting mechanism and a water sample collecting mechanism, wherein the lower end face of the servo motor is detachably connected with a connecting cylinder, the pressure control water inlet mechanism is provided with three groups in an up-down equidistant arrangement mode and comprises a mounting frame, four groups of water storage boxes are arranged in the mounting frame, a plurality of groups of extrusion strips are arranged in the water storage boxes, the mounting frame is coaxially provided with two groups of fixing rings, the side wall of each fixing ring is fixedly connected with the side wall of each water storage box, the uppermost fixing ring is fixedly connected with the inner side wall of the connecting cylinder, the sampling mechanism and the pressure control water inlet mechanism are correspondingly provided with three groups, the sampling disc is rotatably connected in the mounting frame, and the outer surface of the sampling disc is abutted against the lower end faces of the water storage boxes and the extrusion strips.

Inventors

ZHUANG PING
QIN QIANG
LU JUAN
YANG XIYUE
Jiang Rudong
KONG FANFAN
YIN XIAOYANG

Assignees

南京富阆环境科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260410

Claims (10)

1. The water quality sampler for environment monitoring comprises a servo motor (11), and is characterized in that the lower end face of the servo motor (11) is detachably connected with a connecting cylinder (12), the water quality sampler further comprises a pressure control water inlet mechanism, three groups of water storage boxes (22) are arranged in an up-down equidistant mode and comprise a mounting frame (21), a plurality of groups of extrusion strips (23) are arranged in the mounting frame (21), two groups of fixing rings (24) are arranged on the coaxial center of the mounting frame (21), the side walls of the fixing rings (24) are fixedly connected with the side walls of the water storage boxes (22), the uppermost fixing rings (24) are fixedly connected with the inner side walls of the connecting cylinder (12), the water quality sampler further comprises a sampling mechanism, three groups of sampling plates (31) are correspondingly arranged with the pressure control water inlet mechanism, the sampling plates (31) are rotatably connected in the mounting frame (21), and the outer surfaces of the sampling plates (31) are abutted against the lower end faces of the water storage boxes (22) and the extrusion strips (23).
2. The water quality sampler for environmental monitoring according to claim 1 is characterized in that a plurality of groups of inserting rods (25) are arranged on the upper end face of the mounting frame (21), a plurality of groups of fixing sleeves (26) matched with the inserting rods (25) are arranged on the lower end face of the mounting frame (21), and the three groups of mounting frames (21) are connected up and down through the inserting rods (25) and the fixing sleeves (26).
3. The water quality sampler for environmental monitoring according to claim 2 is characterized in that a threaded ring (27) is connected to the water storage box (22) on the upper side in a threaded manner, two groups of water inlet pipes (28) are arranged on the threaded ring (27), and a threaded sleeve (29) is connected to the water storage box (22) on the lower side in a threaded manner.
4. The water quality sampler for environmental monitoring according to claim 3 wherein two groups of water inlets (210) are formed in the upper side of the water inlet pipe (28), two groups of water outlets (211) are formed in the lower side of the water inlet pipe, and the water outlets (211) are communicated with the water storage box (22).
5. The water quality sampler for environmental monitoring according to claim 4, wherein an intermediate ring (212) is arranged in the water inlet pipe (28), a limiting rod (213) is arranged at the center of the intermediate ring (212), two groups of stop blocks (214) are symmetrically and slidably connected in the water inlet pipe (28) relative to the intermediate ring (212), a push spring (215) is arranged between the stop blocks (214) and the intermediate ring (212), one end of the push spring (215) is fixedly connected with the side wall of the intermediate ring (212), and the other end of the push spring is fixedly connected with the side wall of the stop block (214).
6. The water quality sampler for environmental monitoring according to claim 5 is characterized in that two ends of the water inlet pipe (28) are rotatably connected with a threaded rod (216), a tension spring (217) is connected to the threaded rod (216) in a threaded manner, and the other end of the tension spring (217) is fixedly connected with the other side wall of the stop block (214).
7. The water quality sampler for environmental monitoring according to claim 6 wherein a rotary cylinder (32) is connected to the central position of the sampling disc (31), the rotary cylinder (32) is arranged in the fixed ring (24) and is rotationally connected with the fixed ring (24), the uppermost rotary cylinder (32) is fixedly connected with the output end of the servo motor (11), the upper and lower three groups of rotary cylinders (32) are fixedly connected, and a plurality of groups of sampling grooves (33) are arranged in the sampling disc (31).
8. The water quality sampler for environmental monitoring according to claim 7 is characterized in that a plurality of groups of communicating pipes (34) are arranged in the sampling disc (31), and a plurality of groups of flow holes (35) are formed in the communicating pipes (34).
9. The water quality sampler for environmental monitoring according to claim 8, wherein an upper sliding sleeve (36) and a lower sliding sleeve (36) are slidably connected to the communicating pipe (34), the two sliding sleeves (36) are connected through a sliding rod (37), the two sliding sleeves (36) are slidably connected with the sliding rod (37), a pressure spring (38) is sleeved on the outer surface of the sliding rod (37), and two ends of the pressure spring (38) are fixedly connected with the side walls of the two sliding sleeves (36) respectively.
10. The water quality sampler for environmental monitoring according to claim 9, wherein the side wall of the sliding sleeve (36) is connected with a squeeze ball (39), the squeeze ball (39) is slidably connected with the sampling disc (31), a limiting ring (310) is sleeved on the outer surface of the sliding sleeve (36), the limiting ring (310) is abutted against the inner side wall of the communicating pipe (34), the limiting ring (310) is slidably connected with the inner side wall of the communicating pipe (34), and a circle of limiting groove (311) is formed in the limiting ring (310).

Description

Water quality sampler for environmental monitoring Technical Field The invention relates to the field of water quality sampling, in particular to a water quality sampler for environmental monitoring. Background The water quality sampler in the prior art has certain defects in terms of sampling strategies and technical realization, mainly, the unified collection of water samples with different depths and water samples with different depths in the same time period cannot be realized, the traditional sampling equipment generally adopts a single-point sequence sampling mode, the water samples can only be obtained layer by layer through repeated lifting operation, key indexes such as various pollutant concentrations, dissolved oxygen, pH values, temperatures and the like are dynamically changed in the time-sharing sampling mode due to time-varying characteristics of physical and chemical properties of a water body, when the sampler works layer by layer in the sequence mode, sampling time difference between different depths can reach a plurality of minutes or longer, the time difference causes that the sampled water samples actually represent the conditions of the depths at different moments, rather than the actual vertical distribution at the same moment, the layering rule of the pollutants cannot be accurately reflected, and particularly, the sampling introduced by the time difference has larger errors in dynamic environments such as rapid diffusion of pollutants, tidal change, thermocline fluctuation and the like. The water environment is used as a complex dynamic ecological system, the water quality condition is comprehensively influenced by multiple factors such as intermittent emission of a pollution source, circadian rhythm of a living being, fluctuation of a climate period, hydrologic seasonal variation and the like, so that the concentration and distribution of pollutants are obvious in time variation characteristics, different time periods of continuous sampling are required to be carried out on the same point to accurately evaluate the water quality, a concentration time variation curve is obtained, and a migration and transformation rule is analyzed. Disclosure of Invention (One) solving the technical problems Aiming at the problems in the prior art, the invention provides a water quality sampler for environmental monitoring, which aims to solve the technical problems in the background art. (II) technical scheme In order to achieve the above purpose, the present invention provides the following technical solutions: The water quality sampler for environment monitoring comprises a servo motor, a connecting cylinder, a pressure control water inlet mechanism, a mounting frame, a sampling mechanism and a sampling mechanism, wherein the lower end face of the servo motor is detachably connected with the connecting cylinder, three groups of pressure control water inlet mechanisms are arranged up and down at equal intervals, the pressure control water inlet mechanism comprises the mounting frame, four groups of water storage boxes are arranged in the mounting frame, a plurality of groups of extrusion strips are arranged in the water storage boxes, two groups of fixing rings are coaxially arranged in the mounting frame, the side walls of the fixing rings are fixedly connected with the side walls of the water storage boxes, the uppermost fixing rings are fixedly connected with the inner side walls of the connecting cylinder, the sampling mechanism and the pressure control water inlet mechanism are correspondingly provided with three groups of sampling mechanisms, the sampling mechanism comprises sampling plates, the sampling plates are rotationally connected in the mounting frame, and the outer surfaces of the sampling plates are in butt joint with the lower end faces of the water storage boxes and the extrusion strips. Preferably, the mounting frame up end is equipped with multiunit inserted bar, the mounting frame lower terminal surface is equipped with multiunit and the fixed cover of inserted bar adaptation, and three sets of the mounting frame passes through inserted bar and fixed cover and connects from top to bottom. Preferably, the upper side is connected with a threaded ring in a threaded manner on the water storage box, two groups of water inlet pipes are arranged on the threaded ring, and a threaded sleeve is connected with the lower side on the water storage box in a threaded manner. Preferably, the upper side of the water inlet pipe is provided with two groups of water inlets, the lower side of the water inlet pipe is provided with two groups of water outlets, and the water outlets are communicated with the water storage box. Preferably, the water inlet pipe is internally provided with a middle ring, the center position of the middle ring is provided with a limiting rod, two groups of stop blocks are symmetrically and slidably connected in the water inlet pipe relative to the middle ring, a push spr