On-line monitoring device for water quality of expressway

Abstract

The utility model provides an expressway water quality on-line monitoring device which comprises a floating body and an on-line monitor, the floating body is fixedly installed at the top of the on-line monitor, the bottom of the floating body is fixedly connected with a monitoring box, a water quality sensor is fixedly installed in the monitoring box, and the water quality sensor is fixedly connected with the on-line monitor. The two sides of the monitoring box fixedly communicate with drainage pipes through first one-way valves, the bottom of the monitoring box fixedly communicates with three water inlet pipes through second one-way valves, and telescopic pipes are slidably connected to the surfaces of the water inlet pipes. The utility model relates to the technical field of water quality on-line monitoring. By arranging the sampling mechanism, a hydraulic rod can be started to drive a pushing block and a piston plate to move backwards, at the moment, negative pressure exists in a piston box and a monitoring box, water in water areas with different depths enters a telescopic pipe and then enters the monitoring box through a water inlet pipe, and monitoring is conducted through a water quality sensor at the same time; therefore, the monitoring accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water quality on -line monitoring, concretely is a kind of highway water quality on -line monitoring device. BACKGROUND

[0002] Water quality on-line monitoring refers to the process of monitoring and measuring the types of pollutants in water bodies, the concentrations of various pollutants and their trends, and evaluating water quality. The monitoring range is very wide, including natural water (rivers, lakes, seas and underground water) and various industrial wastewater. Highway service area discharges a large amount of wastewater every year, which will affect the surrounding environment if not properly discharged. Therefore, water quality on-line monitoring devices are installed in surrounding lakes to monitor water quality.

[0003] The "CN207020166U" disclosed a kind of highway water quality on-line monitoring system, by on-line monitoring station, the on-line monitoring station includes automatic water sampler and water quality on-line monitoring instrument;The water quality on-line monitoring instrument includes liquid chromatograph, atomic absorption spectrophotometer and infrared oil measuring instrument;The main body of the automatic water sampler is unmanned aerial vehicle, unmanned aerial vehicle is connected with multiple h-shaped sampling tubes below, upper movable piece and lower fixed piece are arranged on the right side branch pipe thereof, and the upper movable piece is connected with the top by flexible rope or spring;Upper movable piece and lower fixed piece are provided with holes in different positions, and upper movable piece is lowered and sealed with lower fixed piece when subjected to pressure.

[0004] However, the above device still has the following problems in the implementation process:

[0005] The existing water quality on-line monitoring instrument is by putting water quality sensor into lake, judges whether water quality meets standard by the information monitored by water quality sensor, but after water quality sensor is placed in lake, generally only single depth water area can be monitored, and the water quality composition of different depth water area in lake is not same, and only monitoring single depth water area cannot ensure the accuracy of monitoring. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of highway water quality on-line monitoring device to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model provides an expressway water quality on -line monitoring device, including the float and on -line monitoring appearance, the float fixed installation is in on -line monitoring appearance's top, the bottom of float is connected with the monitoring box, the inside fixed mounting of monitoring box has water quality sensor, the both sides of monitoring box all are through first check valve fixedly linked with the drain pipe, the bottom of monitoring box is through second check valve fixedly linked with three water inlet pipes, the surface of water inlet pipe is connected with telescopic pipe,

[0009] The sampling mechanism is fixedly arranged on one side of the monitoring box, and can draw water of different depths into the monitoring box through the three water inlet pipes.

[0010] The sampling mechanism includes a piston box fixedly connected to one side of the monitoring box, a hydraulic rod fixedly installed inside the piston box, a push block fixedly connected to the output end of the hydraulic rod, a piston plate fixedly connected to one side of the push block, and a mixing mechanism arranged inside the monitoring box.

[0011] Preferably, the mixing mechanism includes a rotating block arranged inside the monitoring box, three stirring blades fixedly connected to the circumferential side of the rotating block, a rotating rod fixedly connected to the bottom of the rotating block, a gear fixedly connected to the bottom of the rotating rod, and a shaft rotatably connected to the inner wall of the housing at the bottom of the gear.

[0012] One side of the gear is meshingly connected to a toothed plate, one side of the toothed plate is fixedly connected to a tension spring, the other end of the toothed plate is fixedly connected to a traction rope, one end of the tension spring is rotatably connected to the inner wall of the monitoring box, and one end of the traction rope is fixedly connected to one side of the piston plate.

[0013] Preferably, the adjusting mechanism is fixedly arranged on the telescopic pipe and can adjust the position of the telescopic pipe.

[0014] The adjusting mechanism includes a support frame fixedly connected to one side of the telescopic pipe, an arc-shaped clamping plate arranged inside the support frame, a rubber pad fixedly connected to the inner wall of the arc-shaped clamping plate, a threaded rod threadedly connected to one side of the support frame, a twisting block fixedly connected to one end of the threaded rod, and a shaft rotatably connected to one side of the arc-shaped clamping plate at the other end of the threaded rod.

[0015] Preferably, the bottom of the arc-shaped clamping plate is fixedly connected to a sliding block, and the inner wall of the support frame is provided with a sliding groove matched with the sliding block.

[0016] Preferably, the inner wall of the monitoring box is rotatably connected to a guide wheel through a shaft, and the guide wheel is matched with the traction rope.

[0017] Preferably, the surface of the telescopic pipe is fixedly connected to a sealing ring, and the inner wall of the sealing ring is in contact with the outer surface of the water inlet pipe.

[0018] Preferably, the bottom of the telescopic tube is fixedly connected to a protective cover, and the inner wall of the protective cover is fixedly connected to a filter.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The utility model is provided with a sampling mechanism. By activating the hydraulic rod, the hydraulic rod will drive the push block and the piston plate to move backward. At this time, the piston box and the monitoring box are under negative pressure. Water from waters of different depths enters the telescopic tube and then enters the monitoring box through the water inlet pipe. The water quality sensor monitors the water quality at the same time, thereby improving the accuracy of monitoring.

[0021] 2. The utility model is provided with a mixing mechanism. When the piston plate moves backward, it will drive the traction rope to move, and the traction rope will drive the tooth plate to move. During the movement of the tooth plate, the gear will be driven to rotate, and the rotating rod, rotating block and stirring blade will also rotate synchronously. The rotation of the stirring blade will fully mix the water of different depths, further improving the monitoring effect. When the piston plate moves forward, the tension generated by the tension spring will drive the tooth plate to reset;

[0022] 3. The utility model is provided with an adjustment mechanism, which can be achieved by rotating the twisting block, which will drive the threaded rod to rotate, and the threaded rod will drive the arc-shaped clamping block and the rubber pad to move to the side away from the water inlet pipe, thereby releasing the restriction on the telescopic tube. At this time, the position of the telescopic tube can be adjusted. After reaching the appropriate position, the twisting block is rotated in the opposite direction to drive the threaded rod to rotate, and the threaded rod will drive the arc-shaped clamping plate to move to the side close to the water inlet pipe until the rubber pad is in close contact with the surface of the water inlet pipe, thereby completing the adjustment of the water intake depth and further improving the accuracy of monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 A perspective view of a cutaway view of the present invention;

[0025] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of a cross-section of the monitoring box of the utility model;

[0027] Figure 5 It is a three-dimensional diagram of the sampling mechanism and mixing mechanism of the utility model;

[0028] Figure 6 It is a three-dimensional diagram of the adjustment mechanism of the utility model.

[0029] Fig. 1, floating body; 2, online monitor; 3, monitoring box; 4, water quality sensor; 5, drain pipe; 6, water inlet pipe; 7, telescopic pipe; 8, piston box; 9, hydraulic rod; 10, push block; 11, piston plate; 12, rotating block; 13, stirring blade; 14, rotating rod; 15, gear; 16, toothed plate; 17, tension spring; 18, traction rope; 19, support frame; 20, arc clamping plate; 21, rubber pad; 22, threaded rod; 23, twisting block; 24, sliding block; 25, sliding groove; 26, guide wheel; 27, sealing ring; 28, protective cover; 29, filter screen. DETAILED DESCRIPTION

[0030] 1The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0032] Embodiment one:

[0033] A highway water quality online monitoring device, including floating body 1 and online monitor 2, floating body 1 is fixedly installed at the top of online monitor 2, the bottom of floating body 1 is fixedly connected with monitoring box 3, the inside of monitoring box 3 is fixedly installed with water quality sensor 4, the both sides of monitoring box 3 are fixedly communicated with drain pipe 5 through first check valve, the bottom of monitoring box 3 is fixedly communicated with three water inlet pipes 6 through second check valve, the surface of water inlet pipe 6 is slidably connected with telescopic pipe 7;

[0034] The sampling mechanism is fixedly arranged at one side of the monitoring box 3, and can draw water of different depths into the monitoring box 3 through the three water inlet pipes 6.

[0035] The sampling mechanism includes a piston box 8 fixedly communicated with one side of the monitoring box 3, a hydraulic rod 9 fixedly installed inside the piston box 8, a push block 10 fixedly connected to the output end of the hydraulic rod 9, a piston plate 11 fixedly connected to one side of the push block 10, and a mixing mechanism arranged inside the monitoring box 3.

[0036] In this embodiment, considering that the water quality sensor 4 is placed in the lake, it can only monitor the water area of a single depth, and the water quality composition of different depths in the lake is not the same, and only monitoring the water area of a single depth cannot ensure the accuracy of the monitoring, therefore, by setting the sampling mechanism, the hydraulic rod 9 can be started to Figure 4 andFigure 5 As shown, the hydraulic rod 9 will drive the push block 10 and the piston plate 11 to move backward, at this time, the piston box 8 and the monitoring box 3 are in negative pressure, and the water in the water area of different depths enters the inside of the telescopic pipe 7, and then enters the inside of the monitoring box 3 through the water inlet pipe 6, and is monitored at the same time through the water quality sensor 4, thereby improving the accuracy of monitoring.

[0037] When the hydraulic rod 9 drives the push block 10 and the piston plate 11 to move forward, the water in the piston box 8 and the monitoring box 3 is extruded, and the water in the monitoring box 3 is discharged from the drain pipe 5.

[0038] It should be noted that the first one-way valve is a valve that can only discharge water outward from the drain pipe 5, and the second one-way valve is a valve that can only enter water into the monitoring box 3, so when the monitoring box 3 is in negative pressure, the water will enter the inside of the monitoring box 3 through the water inlet pipe 6, and when the water in the monitoring box 3 is extruded, it will be discharged from the drain pipe 5.

[0039] The surface of the telescopic pipe 7 is fixedly connected with a sealing ring 27, and the inner wall of the sealing ring 27 is in contact with the outer surface of the water inlet pipe 6.

[0040] In the embodiment, the sealing ring 27 is arranged, so that the sealing property between the telescopic pipe 7 and the water inlet pipe 6 can be improved, and leakage during water pumping can be avoided.

[0041] Preferably, the bottom of the telescopic pipe 7 is fixedly connected with a protective cover 28, and the inner wall of the protective cover 28 is fixedly connected with a filter screen 29.

[0042] In the embodiment, the protective cover 28 and the filter screen 29 are arranged, so that impurities can be prevented from entering the inside of the monitoring box 3 when the telescopic pipe 7 and the water inlet pipe 6 pump water, and the protection effect is achieved.

[0043] Embodiment two:

[0044] On the basis of embodiment one, the sampling mechanism in the embodiment can pump the water in three different depth areas into the inside of the monitoring box 3 through water pumping, and the water quality is monitored through the water quality sensor 4, so that the accuracy of monitoring is improved, but considering that the water in different depths enters the inside of the monitoring box 3 at the same time, if it cannot be fully mixed together, the monitoring effect will also be affected, and the mixing mechanism in the application comprises a rotating block 12 arranged in the inside of the monitoring box 3, the circumferential side of the rotating block 12 is fixedly connected with three stirring blades 13, the bottom of the rotating block 12 is fixedly connected with a rotating rod 14, the bottom of the rotating rod 14 is fixedly connected with a gear 15, and the bottom of the gear 15 is rotatably connected with the inner wall of the shell through a rotating shaft.

[0045] The gear 15 is meshingly connected with a toothed plate 16, one side of the toothed plate 16 is fixedly connected with a tension spring 17, the other end of the toothed plate 16 is fixedly connected with a traction rope 18, one end of the tension spring 17 is rotatably connected with the inner wall of the monitoring box 3, one end of the traction rope 18 is fixedly connected with one side of the piston plate 11.

[0046] In the embodiment, the piston plate 11 is provided with the mixing mechanism, when the piston plate 11 moves backward, the traction rope 18 is driven to move, the traction rope 18 drives the toothed plate 16 to move, the toothed plate 16 drives the gear 15 to rotate in the moving process, the rotating rod 14, the rotating block 12 and the stirring blade 13 are also synchronously rotated, the stirring blade 13 rotates to fully mix the water of different depths, and the monitoring effect is further improved, when the piston plate 11 moves forward, the tension of the tension spring 17 drives the toothed plate 16 to reset.

[0047] The inner wall of the monitoring box 3 is rotatably connected with a guide wheel 26 through a rotating shaft, and the guide wheel 26 is used in cooperation with the traction rope 18.

[0048] In the embodiment, the guide wheel 26 is arranged, the tension of the traction rope 18 is changed, the toothed plate 16 is horizontally moved, and the guiding effect is achieved.

[0049] Embodiment three:

[0050] Based on the embodiment one, the sampling mechanism in the embodiment can draw the water of three different depth areas into the monitoring box 3 through the water pumping mode, and the water quality sensor 4 is used for simultaneous measurement, so that the monitoring accuracy is improved, but considering that the depth of the lake is different, if the water depth cannot be reasonably adjusted, the monitoring accuracy is also affected, and the adjusting mechanism is fixedly arranged on the telescopic pipe 7 and can adjust the position of the telescopic pipe 7.

[0051] The adjusting mechanism comprises a supporting frame 19 fixedly connected to one side of the telescopic pipe 7, an arc-shaped clamping plate 20 arranged in the supporting frame 19, a rubber pad 21 fixedly connected to the inner wall of the arc-shaped clamping plate 20, a threaded rod 22 threadedly connected to one side of the supporting frame 19, a twisting block 23 fixedly connected to one end of the threaded rod 22, and the other end of the threaded rod 22 is rotatably connected to one side of the arc-shaped clamping plate 20 through a rotating shaft.

[0052] In this embodiment, by setting the adjusting mechanism, the position of the telescopic pipe 7 can be adjusted by rotating the twisting block 23. When the telescopic pipe 7 reaches the appropriate position, the twisting block 23 is rotated in the reverse direction, the threaded rod 22 is rotated, the arc-shaped clamping plate 20 is moved to the side close to the water inlet pipe 6, and the rubber pad 21 is in close contact with the surface of the water inlet pipe 6, thereby completing the adjustment of the water depth and further improving the monitoring accuracy.

[0053] The bottom of the arc-shaped clamping plate 20 is fixedly connected with a sliding block 24, and the inner wall of the support frame 19 is provided with a sliding groove 25 matched with the sliding block 24.

[0054] In this embodiment, when the threaded rod 22 rotates to drive the arc-shaped clamping plate 20, the sliding block 24 and the sliding groove 25 can limit the movement of the arc-shaped clamping plate 20 along the track of the sliding block 24 and the sliding groove 25, thereby limiting the movement track.

[0055] Working principle: during monitoring, the hydraulic rod 9 is started, as shown in Figure 4 and Figure 5 , the hydraulic rod 9 drives the pushing block 10 and the piston plate 11 to move backward, at this time, the piston box 8 and the monitoring box 3 are in negative pressure, the water in the water area of different depths enters the inside of the telescopic pipe 7, and then enters the inside of the monitoring box 3 through the water inlet pipe 6, and is monitored at the same time through the water quality sensor 4, thereby improving the monitoring accuracy.

[0056] When the piston plate 11 moves backward, the traction rope 18 is driven to move, the traction rope 18 drives the gear plate 16 to move, the gear plate 16 drives the gear 15 to rotate in the process of moving, the rotating rod 14, the rotating block 12 and the stirring blade 13 are also rotated synchronously, the stirring blade 13 is rotated to fully mix the water of different depths, thereby further improving the monitoring effect, when the piston plate 11 moves forward, the tension of the tension spring 17 drives the gear plate 16 to reset.

[0057] The position of the telescopic pipe 7 can be adjusted by rotating the twisting block 23. When the telescopic pipe 7 reaches the appropriate position, the twisting block 23 is rotated in the reverse direction, the threaded rod 22 is rotated, the arc-shaped clamping plate 20 is moved to the side close to the water inlet pipe 6, and the rubber pad 21 is in close contact with the surface of the water inlet pipe 6, thereby completing the adjustment of the water depth and further improving the monitoring accuracy.

[0058] It should be noted that the online monitor 2, the water quality sensor 4 and the hydraulic rod 9 are devices or equipment existing in the prior art or devices or equipment that can be realized in the prior art, and the power supply specific composition and principle of the online monitor 2, the water quality sensor 4 and the hydraulic rod 9 are clear to those skilled in the art, and therefore will not be described in detail.

[0059] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A highway water quality on-line monitoring device, comprising a floating body (1) and an on-line monitor (2), the floating body (1) is fixedly installed on the top of the on-line monitor (2), characterized in that: The bottom of the floating body (1) is fixedly connected with a monitoring box (3), the inside of the monitoring box (3) is fixedly installed with a water quality sensor (4), the two sides of the monitoring box (3) are fixedly communicated with a drain pipe (5) through a first one-way valve, the bottom of the monitoring box (3) is fixedly communicated with three water inlet pipes (6) through a second one-way valve, the surface of the water inlet pipe (6) is slidably connected with an extension pipe (7). A sampling mechanism is fixedly arranged on one side of the monitoring box (3), which can draw water at different depths into the monitoring box (3) through the three water inlet pipes (6). The sampling mechanism comprises a piston box (8) fixedly communicated with one side of the monitoring box (3), the inside of the piston box (8) is fixedly installed with a hydraulic rod (9), the output end of the hydraulic rod (9) is fixedly connected with a push block (10), one side of the push block (10) is fixedly connected with a piston plate (11), and the inside of the monitoring box (3) is provided with a mixing mechanism.

2. The online monitoring device for water quality of expressway according to claim 1, characterized in that: The mixing mechanism comprises a rotating block (12) arranged in the monitoring box (3), the circumferential side of the rotating block (12) is fixedly connected with three stirring blades (13), the bottom of the rotating block (12) is fixedly connected with a rotating rod (14), the bottom of the rotating rod (14) is fixedly connected with a gear (15), and the bottom of the gear (15) is rotatably connected with the inner wall of the shell through a rotating shaft. One side of the gear (15) is meshingly connected with a toothed plate (16), one side of the toothed plate (16) is fixedly connected with a tension spring (17), the other end of the toothed plate (16) is fixedly connected with a traction rope (18), one end of the tension spring (17) is rotatably connected with the inner wall of the monitoring box (3), and one end of the traction rope (18) is fixedly connected with one side of the piston plate (11).

3. The online monitoring device for water quality of expressway according to claim 2, characterized in that: Further comprising an adjusting mechanism fixedly arranged on the extension pipe (7), which can adjust the position of the extension pipe (7); The adjusting mechanism comprises a support frame (19) fixedly connected to one side of the extension pipe (7), the inside of the support frame (19) is provided with an arc-shaped clamping plate (20), the inner wall of the arc-shaped clamping plate (20) is fixedly connected with a rubber pad (21), one side of the support frame (19) is threadedly connected with a threaded rod (22), one end of the threaded rod (22) is fixedly connected with a twisting block (23), and the other end of the threaded rod (22) is rotatably connected with one side of the arc-shaped clamping plate (20) through a rotating shaft.

4. The online monitoring device for water quality of expressway according to claim 3, characterized in that: The bottom of the arc-shaped clamping plate (20) is fixedly connected with a sliding block (24), and the inner wall of the support frame (19) is provided with a sliding groove (25) matched with the sliding block (24).

5. The online water quality monitoring device for expressway of claim 2, wherein: The inner wall of the monitoring box (3) is rotatably connected with a guide wheel (26) through a rotating shaft, and the guide wheel (26) is matched with the traction rope (18).

6. The online water quality monitoring device for expressway of claim 1, wherein: The surface of the extension pipe (7) is fixedly connected with a sealing ring (27), and the inner wall of the sealing ring (27) is in contact with the outer surface of the water inlet pipe (6).

7. The online water quality monitoring device for expressway of claim 1, wherein: The bottom of the extension pipe (7) is fixedly communicated with a protective cover (28), and the inner wall of the protective cover (28) is fixedly connected with a filter screen (29).

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