Water quality monitoring sensor with protection mechanism

Abstract

The utility model relates to a water quality monitoring sensor with a protection mechanism, which comprises a buoy box (10) and a detection probe (11), the detection probe (11) is arranged at the bottom of the buoy box (10), an inner cylinder (21) and an outer cylinder (22) are arranged outside the detection probe (11), the bottom of the inner cylinder (21) is closed, a plurality of through holes (23) are formed in the side wall of the inner cylinder (21) at intervals along the circumferential direction of the inner cylinder (21), and baffles (24) are rotatably arranged in the through holes (23); a plurality of filter holes (25) are formed in the outer cylinder (22); algae and dirt in water are filtered through filter holes (25) in the outer cylinder (22), impact of the algae, the dirt and water flow on the detection probe (11) is relieved, the water entering the outer cylinder (22) enters along through holes (23) in the inner cylinder (21), impact of the water flow is further relieved through a baffle (24), the damage probability of the detection probe is reduced, and the service life is prolonged. The influence on water quality monitoring is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality monitoring technical field especially a water quality monitoring sensor with protection mechanism. BACKGROUND

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water, the concentrations of various pollutants and their trends, and evaluating water quality. Currently, water quality monitoring is usually carried out by using a buoy type water quality monitoring device with various sensors. Generally, a detection probe integrated with multiple sensors is installed at the bottom of a buoy and immersed in water, but there is no mechanism for effectively protecting the detection probe. Therefore, when the water flow is fast, the detection probe will be impacted, leading to easy damage of the detection probe and reduced service life, thereby affecting the water quality monitoring. SUMMARY

[0003] The utility model wants to solve the technical problem that the prior art water quality monitoring device lacks a mechanism for effectively protecting the detection probe, so when the water flow is fast, the detection probe will be impacted, leading to easy damage of the detection probe and reduced service life, thereby affecting the water quality monitoring.

[0004] To solve the above problems, the utility model provides a water quality monitoring sensor with a protection mechanism, which comprises a buoy box and a detection probe. The detection probe is arranged at the bottom of the buoy box. The detection probe is externally provided with an inner cylinder and an outer cylinder. The bottom of the inner cylinder is closed. A plurality of through holes are formed in the side wall of the inner cylinder and spaced apart in the circumferential direction. A baffle is rotatably arranged in each through hole. A plurality of filter holes are formed in the outer cylinder.

[0005] The water quality monitoring sensor with a protection mechanism provided by the utility model also has the following technical features:

[0006] A rotating shaft is fixed on the baffle in the radial direction. The end of the rotating shaft is rotatably arranged in the through hole. A torsional spring is sleeved on the rotating shaft. One end of the torsional spring is fixed to the rotating shaft, and the other end is fixed to the inner cylinder.

[0007] The through holes are downwardly inclined from the outside to the inside.

[0008] The through holes are located below the detection probe.

[0009] A motor is fixed to the bottom of the buoy box. A gear is fixed to the output shaft of the motor. The gear is engaged with an outer gear ring. The outer gear ring is fixed to the outer surface of the outer cylinder. The bottom of the outer cylinder is rotatably sealed to the inner cylinder. The top of the outer cylinder is rotatably sealed to the buoy box. A plurality of filter holes are formed in the outer cylinder and spaced apart in the circumferential direction. A dredging rod is fixed to the outer surface of the inner cylinder.

[0010] A groove is formed in the bottom of the buoy box. The motor, the gear and the outer gear ring are arranged in the groove. The top of the outer cylinder and the top of the inner cylinder are both installed in the groove.

[0011] The bottom of the buoy tank is fixed with a scraper, and one side of the scraper is in contact with the outer surface of the outer cylinder.

[0012] The end of the dredging rod close to the outer cylinder is provided with a round corner, and the diameter of the dredging rod is smaller than the diameter of the filter hole.

[0013] The utility model has the advantages that the algae and dirt in the water are filtered through the filter hole on the outer cylinder, the impact of the algae, dirt and water flow on the detection probe is slowed down, the water entering the outer cylinder will enter the through hole on the inner cylinder and further slow down the impact of the water flow through the baffle, the damage probability of the detection probe is reduced, the service life is prolonged, and the water quality monitoring is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a partial sectional view of the utility model;

[0015] Figure 2 It is a structural schematic view of the baffle;

[0016] Figure 3 It is a structural schematic view of the inner cylinder;

[0017] Figure 4 It is a structural schematic view of the outer cylinder. DETAILED DESCRIPTION

[0018] Hereinafter, the utility model will be described in detail with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0019] As shown in the drawings, Figures 1 to 4 The water quality monitoring sensor with a protection mechanism comprises a buoy tank 10 and a detection probe 11. The detection probe 11 is arranged at the bottom of the buoy tank 10, and the detection probe 11 is externally provided with an inner cylinder 21 and an outer cylinder 22. The bottom of the inner cylinder 21 is closed, and a plurality of through holes 23 are arranged on the side wall of the inner cylinder 21 in a circumferential direction. A baffle 24 is arranged in the through hole 23. A plurality of filter holes 25 are arranged on the outer cylinder 22.

[0020] The algae and dirt in the water are filtered through the filter hole 25 on the outer cylinder 22, and the impact of the algae, dirt and water flow on the detection probe 11 is slowed down. The water entering the outer cylinder 22 will enter the through hole 23 on the inner cylinder 21, and the impact of the water flow is further slowed down through the baffle 24. The damage probability of the detection probe is reduced, the service life is prolonged, and the water quality monitoring is not affected.

[0021] The buoy tank 10 is hollow to float on the water surface.

[0022] The detection probe 11 is integrated with multiple sensors for detecting multiple parameters of water, such as temperature, chroma, turbidity, pH value, conductivity, suspended solids, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand, and other toxic substances such as phenol, cyanide, arsenic, lead, chromium, cadmium, mercury, and organic pesticides. The working principle and specific structure of the detection probe 11 are known in the art and will not be described here.

[0023] Preferably, referring to Figure 1 、 2 , the baffle 24 is fixed with a rotating shaft 26 along its radial direction, the end of the rotating shaft 26 is rotatably arranged in the through hole 23, a torsional spring 27 is sleeved on the rotating shaft 26, one end of the torsional spring 27 is fixed with the rotating shaft 26, and the other end is fixed with the inner cylinder 21, so that the baffle 24 has a restoring ability, that is, after the water flow impacts the baffle 24, the baffle 24 can return to the initial state.

[0024] Preferably, the through hole 23 is in a normally closed state, that is, the baffle 24 is arranged in close contact with the inner wall of the through hole 23, and the plane where the baffle 24 is located is arranged along the radial direction of the through hole 23, so that the baffle 24 can slow down the impact of the water flow to the greatest extent.

[0025] Preferably, the through hole 23 is arranged downwardly inclined from outside to inside.

[0026] Preferably, the through hole 23 is located below the detection probe 11.

[0027] The water flow through the through hole 23 flows below the detection probe 11, further slowing down the impact of the water flow.

[0028] Preferably, the bottom of the float box 10 is fixed with a motor 31, the output shaft of the motor 31 is fixed with a gear 32, the gear 32 is engaged with an outer gear ring 33, the outer gear ring 33 is fixed on the outer surface of the outer cylinder 22, the bottom of the outer cylinder 22 is rotatably sealed with the inner cylinder 21, and the top of the outer cylinder 22 is rotatably sealed with the float box 10; a plurality of filter holes 25 are arranged on the outer cylinder 22 along the circumferential direction thereof at intervals, and a dredging rod 34 is fixed on the outer surface of the inner cylinder 21 correspondingly.

[0029] The output shaft of the motor 31 drives the gear 32 to rotate intermittently, and drives the outer gear ring 33 and the outer cylinder 22 to rotate intermittently, so that the dredging rod 34 on the inner cylinder 21 intermittently dredges the filter holes 25 on the outer cylinder 22, and the algae and dirt attached in the filter holes 25 are dredged to the outside of the outer cylinder 22, avoiding affecting the filtering capacity of the outer cylinder 22 and the passing property of water.

[0030] The output shaft of the motor 31 can rotate intermittently, and the angle of each rotation is equal to half of the included angle of adjacent filter holes 25, i.e. equal to half of the included angle of adjacent dredging rods 34, so that the dredging rod 34 moves into the filter hole 25, then moves between two filter holes 25, then moves into the adjacent filter hole 25, and the cycle is repeated; in addition, when the motor 31 stops running, the dredging rod 34 is located between the adjacent two filter holes 25.

[0031] The specific mode that the bottom of the outer cylinder 22 is rotationally sealed with the inner cylinder 21 is that the outer cylinder 22 is rotationally connected with the inner cylinder 21 through a bearing, and sealing rings are arranged on the upper and lower sides of the bearing; the specific mode that the top of the outer cylinder 22 is rotationally sealed with the buoy tank 10 is that the outer cylinder 22 is rotationally connected with the buoy tank 10 through a bearing, and sealing rings are arranged on the left and right sides of the bearing.

[0032] The filter holes 25 and the dredging rods 34 can be correspondingly arranged in multiple layers in the up-down direction.

[0033] The top of the buoy tank 10 is provided with a solar panel and a battery, which are electrically connected with the motor 31, and is provided with a control module for controlling the motor 31 to start at a regular time.

[0034] Preferably, the bottom of the buoy tank 10 is provided with a recess 35, and the motor 31, the gear 32 and the outer gear ring 33 are arranged in the recess 35, and the top of the outer cylinder 22 and the top of the inner cylinder 21 are mounted in the recess 35, so that the motor 31, the gear 32 and the outer gear ring 33 run above the water surface and are not affected by water.

[0035] The bottom of the buoy tank 10 is further provided with a mounting groove in communication with the recess 35, and the motor 31 is arranged in the mounting groove, and a waterproof layer covers the end of the mounting groove to protect the motor 31.

[0036] Preferably, the bottom of the buoy tank 10 is fixedly provided with a scraper 36, and one side of the scraper 36 is in contact with the outer surface of the outer cylinder 22 to scrape and clean algae and dirt attached to the outer surface of the outer cylinder 22.

[0037] Preferably, the end of the dredging rod 34 close to the outer cylinder 22 is provided with a rounded corner, and the diameter of the dredging rod 34 is smaller than the diameter of the filter hole 25.

[0038] The working principle of the utility model is as follows:

[0039] The algae and dirt in the water are filtered through the filter holes 25 on the outer cylinder 22, and the impact of the algae and dirt and water flow on the detection probe 11 is slowed down; the water entering the outer cylinder 22 will enter along the through holes 23 on the inner cylinder 21 and further slow down the impact of the water flow through the baffle 24, thereby reducing the damage probability of the detection probe and prolonging the service life, and avoiding affecting the water quality monitoring; the motor 31 is started regularly, the output shaft of the motor 31 drives the gear 32 to rotate intermittently, drives the outer gear ring 33 and the outer cylinder 22 to rotate intermittently, so that the dredging rod 34 on the inner cylinder 21 intermittently dredges the filter holes 25 on the outer cylinder 22, and the algae and dirt attached in the filter holes 25 are dredged to the outside of the outer cylinder 22, thereby avoiding affecting the filtering capacity of the outer cylinder 22 and the water passing property; at the same time, the scraper 36 scrapes and cleans the algae and dirt attached on the outer surface of the outer cylinder 22.

[0040] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A water quality monitoring sensor having a protection mechanism, comprising a buoy tank (10), a detection probe (11), characterized in that, The detection probe (11) is arranged at the bottom of the buoy tank (10), and the detection probe (11) is externally provided with an inner cylinder (21) and an outer cylinder (22). The bottom of the inner cylinder (21) is closed, a plurality of through holes (23) are arranged on the side wall of the inner cylinder (21) and are spaced apart along the circumference of the inner cylinder (21), and a baffle (24) is rotatably arranged in each through hole (23). A plurality of filter holes (25) are arranged on the outer cylinder (22). The through holes (23) are downwardly inclined from outside to inside, and the through holes (23) are located below the detection probe (11).

2. The water quality monitoring sensor with protection mechanism according to claim 1, characterized in that, A rotating shaft (26) is fixed on the baffle (24) along the radial direction of the baffle (24), the end of the rotating shaft (26) is rotatably arranged in the through hole (23), a torsional spring (27) is sleeved on the rotating shaft (26), one end of the torsional spring (27) is fixed to the rotating shaft (26), and the other end of the torsional spring (27) is fixed to the inner cylinder (21).

3. The water quality monitoring sensor with protection mechanism according to claim 1, wherein, A motor (31) is fixed to the bottom of the buoy tank (10), a gear (32) is fixed to the output shaft of the motor (31), the gear (32) is engaged with an outer gear ring (33), the outer gear ring (33) is fixed to the outer surface of the outer cylinder (22), the bottom of the outer cylinder (22) is rotatably sealed to the inner cylinder (21), the top of the outer cylinder (22) is rotatably sealed to the buoy tank (10), a plurality of filter holes (25) are arranged on the outer cylinder (22) and are spaced apart along the circumference of the outer cylinder (22), and a dredging rod (34) is fixed to the outer surface of the inner cylinder (21).

4. The water quality monitoring sensor with protection mechanism according to claim 3, characterized in that, A groove (35) is arranged at the bottom of the buoy tank (10), the motor (31), the gear (32) and the outer gear ring (33) are arranged in the groove (35), and the top of the outer cylinder (22) and the top of the inner cylinder (21) are mounted in the groove (35).

5. The water quality monitoring sensor with protection mechanism according to claim 3, wherein, A scraper (36) is fixed to the bottom of the buoy tank (10), and one side of the scraper (36) is in contact with the outer surface of the outer cylinder (22).

6. The water quality monitoring sensor with protection mechanism according to claim 3, wherein, The end of the dredging rod (34) close to the outer cylinder (22) is provided with a rounded corner, and the diameter of the dredging rod (34) is smaller than the diameter of the filter hole (25).

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