CN111122244B - Water quality monitoring water sample collection device - Google Patents

Abstract

The invention relates to a water sample collecting device for water quality monitoring, which relates to the field of collection, and comprises a collecting box body, a motor and a movable plate, wherein a plurality of storage cavities are arranged in the collecting box body, a channel communicated with the outside is arranged at the position, close to the edge of the upper end, of each storage cavity, a through hole is formed in the body of the movable plate, the output shaft of the motor is connected with a supporting plate in a key mode, the supporting plate is fixedly connected with one end of a cylinder body, a boss is arranged on the other end face of the cylinder body, the movable plate seals the channel in the sampling process, a water sample in the storage cavities is isolated from the outside, so that the water sample in the storage cavities is protected, after the sampling is finished, the device sinks to the next specified depth for sampling, when the sampling is carried out on different depths in the same water area, the sampling work on different depths can be finished at one time after the device is released, the sampling efficiency is improved, and when the water sample is taken through a partition plate, after the channel is opened under the effect of the boss, the water sample is polluted by the external environment, so that the precision of the detection result is higher.

Description

A device for collecting water samples for water quality monitoring

technical field

The invention belongs to the field of collection, and in particular relates to a device for collecting water samples for water quality monitoring.

Background technique

Water sample monitoring refers to the monitoring of physical properties of environmental water bodies (rivers, rivers, lakes, reservoirs and groundwater, etc.) and water pollution sources (domestic sewage, hospital sewage and industrial sewage, etc.), monitoring of metal compounds, monitoring of non-metallic inorganic substances. Monitoring, monitoring of organic compounds, biological monitoring and determination of hydrological and meteorological parameters, and geological monitoring. In order to monitor water quality, the collection and analysis of water samples is an essential process.

In the prior art, the water sample collection device can only perform one sampling after launching. If the same water area is to be sampled at different depths, the collection device needs to be released and recovered continuously, resulting in cumbersome operation and low sampling efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a water quality monitoring water sample collection device, so as to solve the problem that the water sample collection device in the prior art can only perform sampling once after launching. If the same water area is to be sampled at different depths, the collection device and Recycling the collection device causes the technical problems of cumbersome operation and low sampling efficiency.

In order to solve the above technical problems, the technical solution adopted in the present invention is: a water quality monitoring water sample collection device, comprising a collection box, a motor and a movable plate, and a plurality of storage cavities are arranged inside the collection box for the collection box Water samples of different depths are collected in the same water area. The storage cavity is provided with a channel that communicates with the outside near the edge of the upper end. The channel is provided with an upper chute on one side near the outlet, and a slide on the other side. The body of the movable plate is provided with a through hole, the movable plate passes through the channel, and the two ends of the movable plate are respectively slidably connected with the upper chute and the lower chute, and the motor is fixedly connected to the bottom of the collection box. The output shaft is keyed to the support plate, the support plate is fixedly connected to one end of the column body, the other end surface of the column body is provided with a boss, and the end surface of the column body is in contact with the bottom end surface of the movable plate, used for When the motor rotates, after the boss lifts up a movable plate, the through hole makes the corresponding channel pass through, and the external water sample enters the storage cavity for storage.

Further, it also includes a partition, one side of the storage cavity is provided with an inner cavity, the side wall of the inner cavity close to the channel is provided with a side groove, and the bottom of the inner cavity is provided with a connecting hole that communicates with the storage cavity. , the bottom end of the partition plate is fixedly connected with the bottom plate, the top of the partition plate passes through the top surface of the inner cavity and extends into the channel, and the two ends of the bottom plate are slidably connected with the side grooves for storing in the storage cavity When storing water samples, the water flowing into the inner cavity through the connecting hole makes the floating ball push the partition plate to gradually close the channel under the action of buoyancy. The channel is gradually opened by attracting the separator by the electromagnet.

Further, the bottom of the collection box is evenly provided with a plurality of stabilizing blocks, which are used to keep the collection box in a vertical downward state all the time when the collection box is in the water.

Further, it also includes a stabilizing plate, the side of the collecting box close to the bottom is provided with a T-shaped circular groove, the inner side wall of the column is fixedly connected with one end of the stabilizing plate, and the T-shaped end of the stabilizing plate is It is fixedly connected with the T-shaped round groove to keep the cylinder rotating smoothly when the motor rotates.

Further, the part of the movable plate close to the cylinder is covered with a spring, one end of the spring is fixedly connected with the outer side surface of the collection box, and the other end of the spring is fixedly connected with the bottom end of the movable plate, which is used in the collection box. When the body is artificially inverted, under the action of the spring, the movable plate is normally driven by the cylinder.

Further, the outlet of the channel is provided with a filter screen, which is used to prevent water organisms from entering the storage cavity when the collection box collects water samples.

Further, a sealing groove is provided on the side wall of the channel, the sealing groove is located directly above the partition plate, and a sealing rubber is provided inside the sealing groove.

Further, the bottom plate is provided with a plurality of bottom plate holes, and the bottom plate holes are used to not be affected by the pressure of the water sample when the bottom plate moves.

Further, the boss is an arc-shaped boss, and an arc transition is adopted at the contact point between the boss and the upper end surface of the cylinder.

The beneficial effects of the present invention are: using the water quality monitoring water sample collection device of the present invention, when water samples need to be collected, the device is fixed at one end of the collection boat through a rope, and when the collection box sinks to a predetermined depth, the motor Rotate, so that the boss will lift up one of the movable plates, the through hole will penetrate the corresponding channel, and the water sample will be poured into the corresponding storage cavity. After the water sample fills the storage cavity, the motor will rotate again, and the boss will be separated from the movable plate. The movable plate will seal the channel, and the water sample in the storage chamber is isolated from the outside world, so as to protect the water sample in the storage chamber. After completion, make the device sink to the next specified depth, and perform the above operation again. When sampling at different depths in the same water area, the sampling at different depths can be completed at one time after the device is released, which improves the sampling efficiency. The buoyancy pushes the baffle upward, so that the baffle closes the channel, so that two closed walls are formed in the channel. When the corresponding movable plate is used, it is possible that multiple movable plates are lifted up during the rotation process, so that the channel is opened, and through the partition plate, the water sample is prevented from being polluted by the external environment after the channel is opened by the boss, so that the detection result is more accurate. higher.

Description of drawings

The following is a brief description of the content expressed in the drawings of this specification and the symbols in the drawings:

Fig. 1 is a front sectional view of a water quality monitoring water sample collection device;

Fig. 2 is a sectional view along line A-A in Fig. 1;

Fig. 3 is the top view of the cylinder in Fig. 2;

Fig. 4 is a sectional view along line B-B in Fig. 3;

Fig. 5 is the front view of the movable plate in Fig. 1;

FIG. 6 is a top view of the bottom plate of FIG. 1 .

Among them, 1-collection box, 2-storage cavity, 3-channel, 4-motor, 5-support plate, 6-cylinder, 7-boss, 8-movable plate, 9-through hole, 10-spring, 11-Inner cavity, 12-Partition plate, 13-Bottom plate, 14-Side groove, 15-Electromagnet, 16-Float ball, 17-Connecting hole, 18-Stable block, 19-Stable plate, 20-T-shaped circle Groove, 21-screen, 22-sealing groove, 23-upper chute, 24-downstream chute, 25-bottom plate hole.

Detailed ways

The following describes the embodiments of the present invention, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the function and working principle of each part, the manufacturing process and the operation and use method. etc., further detailed descriptions are provided to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present invention.

Based on the above purpose, as an embodiment of the present invention, a water sample collection device for water quality monitoring, as shown in FIG. 1 , includes a collection box 1 , a motor 4 and a movable plate 8 , and the collection box 1 is provided with several Storage cavity 2, the top view of the storage cavity 2 is shown in Figure 2, it is used for collecting water samples of different depths in the same water area by the collecting box 1. The storage cavity 2 is provided with a channel 3 that communicates with the outside near the edge of the upper end. One side of the channel 3 close to the outlet is provided with an upper chute 23, and the other side is provided with a lower chute 24. The body of the movable plate 8 is provided with a through hole 9 as shown in FIG. 5, and the movable plate 8 passes through it. Pass the channel 3, and the two ends of the movable plate 8 are respectively slidably connected with the upper chute 23 and the lower chute 24, the motor 4 is fixedly connected to the bottom of the collection box 1, and the output shaft of the motor 4 is connected with the support plate 5 by key, The support plate 5 is fixedly connected with one end of the column body 6, the other end surface of the column body 6 is provided with a boss 7, and the end surface of the column body 6 is in contact with the bottom end surface of the movable plate 8, and the boss 7 is connected. The three-dimensional shape is shown in Figures 3 and 4. When the motor 4 rotates, when the boss 7 lifts a movable plate 8, the through hole 9 makes the corresponding channel 3 pass through, and the external water sample enters the storage chamber 2 store. When the water sample needs to be collected, the device is fixed to one end of the collection boat through a rope. When the collection box 1 sinks to the predetermined depth for the first collection of water samples, the motor 4 is started, and the column 6 is driven by the support plate 5 During the rotation of the cylinder 6, the boss 7 will gradually cause one of the movable plates 8 to be lifted up against the elastic force of the spring 10 with the rotation of the cylinder 6. During the lifting process, the through hole 9 will make the channel 3 Completely through, at this time, the water sample will enter the storage chamber 2 along the channel 3. After the storage chamber 2 is filled, the motor 4 continues to rotate. At this time, the bottom of the movable plate 8 gradually separates from the boss 7. The through hole 9 on the movable plate 8 shrinks to the inside of the collection box 1 to isolate the water sample in the storage chamber 2 . At this time, after the water sample collection at this depth is completed, since there are multiple storage cavities 2 in the collection box 1, the collection box 1 continues to sink. After sinking to the next depth, the motor 4 rotates again, and then the boss 7 The next movable plate 8 is jacked up, and the above operation is repeated to collect the next depth water sample, so that the collection box can be recovered after collecting water samples of multiple depths at one time. During the entire collection process, keep the rotation direction of the motor 4 in the same direction, and the reverse rotation of the motor 4 will cause the boss 7 to lift up the upper movable plate 8, causing the water sample in the storage chamber 2 to be polluted. When sampling at different depths in the same water area, the sampling work of different depths can be completed at one time after the device is released, and the sampling efficiency is improved.

As an embodiment of the present invention, in the above-mentioned embodiment, as shown in FIG. 1 , a partition 12 is further included, and an inner cavity 11 is provided on one side of the storage cavity 2 , and the inner cavity 11 is close to the inner cavity of the channel 3 . The side wall is provided with a side groove 14, the bottom of the inner cavity 11 is provided with a connecting hole 17 that communicates with the storage cavity 2, the bottom end of the partition plate 12 is fixedly connected with the bottom plate 13, and the top of the partition plate 12 passes through the inner cavity. 11, and extends into the channel 3. The two ends of the bottom plate 13 are slidably connected with the side grooves 14. When the water sample is stored in the storage chamber 2, the water flowing into the inner chamber 11 through the connecting hole makes the Under the action of buoyancy, the floating ball 16 pushes the partition plate 12 to gradually close the channel 3. The bottom of the side groove 14 is provided with an electromagnet 15, which is used to attract the partition plate 12 through the electromagnet 15 when the channel 3 needs to be opened. Turn channel 3 on. During sampling, after the water sample enters the storage chamber 2, due to the connection of the connecting hole 17, the water sample will pass through the connecting hole, so that the inner chamber 11 is also filled with the water sample, so that the floating ball 16 pushes the bottom plate 13 upward due to the buoyancy of the water sample. , and then move the partition plate 12 upward to gradually close the channel 3. At this time, when the storage chamber 2 is filled with water samples, the channel 3 is closed by the partition plate 12. After the boss 7 is separated from the movable plate 8, it forms in the channel. After completing the sampling work and recovering the collection box 1, it is necessary to detect the water sample in a certain storage cavity 2. When detecting the water sample in a certain storage cavity 2, the boss 7 rotates to the corresponding position. When the corresponding movable plate is not sampled sequentially, it is possible that multiple movable plates 8 are lifted up during the rotation process, so that the channel 3 is opened, and the partition plate 12 is used to avoid the water sample after the channel 3 is opened by the boss. It is polluted by the external environment, which makes the detection result more accurate. In addition, the bottom plate 13 is provided with a plurality of bottom plate holes 25, and the bottom plate holes 25 are used to not be affected by the pressure of the water sample when the bottom plate 13 moves. The boss 7 is an arc-shaped boss, and an arc transition is adopted at the contact point between the boss 7 and the upper end surface of the cylinder 6 .

As an embodiment of the present invention, in any of the above-mentioned embodiments, as shown in FIG. 1 , the bottom of the collection box 1 is evenly provided with a number of stabilizing blocks 18, which are used to keep the collection box 1 in water all the time. vertical downward state. The stabilizing block 18 can keep the collection box 1 in a vertical downward state all the time when it sinks underwater, maintain the stability of the whole device, and prevent the channel 3 from being shortened due to inertia when the collection box 1 receives a collision. The time is turned on, causing the water sample to enter the individual storage chamber 2.

As an embodiment of the present invention, in any of the above-mentioned embodiments, as shown in FIG. 1 , a stabilization plate 19 is further included, and a T-shaped circular groove 20 is provided on the side of the collection box 1 near the bottom. The inner side wall of 6 is fixedly connected to one end of the stabilization plate 19 , and the T-shaped end of the stabilization plate 19 is fixedly connected to the T-shaped circular groove 20 to keep the cylinder 6 rotating smoothly when the motor 4 rotates.

As an embodiment of the present invention, in any of the above-mentioned embodiments, as shown in FIG. 1 , the part of the movable plate 8 close to the cylinder 6 is covered with a spring 10 , and one end of the spring 10 is connected to the collecting box 1 . The outer side is fixedly connected, and the other end of the spring 10 is fixedly connected to the bottom end of the movable plate 8 , which is used to make the movable plate 8 normally driven by the cylinder 6 under the action of the spring 10 when the collection box 1 is artificially inverted.

As an embodiment of the present invention, in any of the above-mentioned embodiments, as shown in FIG. 1 , a filter screen 21 is provided at the outlet of the channel 3 to isolate water organisms when the collection box 1 collects water samples into storage chamber 2.

As an embodiment of the present invention, in any of the above embodiments, as shown in FIG. 1 , a sealing groove 22 is provided on the side wall of the channel 3 , and the sealing groove 22 is located directly above the partition plate 12 , Sealing rubber is provided inside the sealing groove 22 .

Based on the above, a water sample collection device for water quality monitoring of the present invention is adopted. When water samples need to be collected, the device is fixed at one end of the collection boat through a rope. When the collection box sinks to a predetermined depth, the motor rotates to make The boss lifts up one of the movable plates, the through hole connects the corresponding channel, and the water sample is poured into the corresponding storage cavity. After the water sample fills the storage cavity, the motor rotates again, and the boss is separated from the movable plate, making the movable plate The channel will be closed, and the water samples in the storage chamber will be isolated from the outside world, so as to protect the water samples in the storage chamber. After completion, the device will sink to the next specified depth, and the above operations will be performed again. When sampling at different depths, the sampling work of different depths can be completed at one time after the device is released, which improves the sampling efficiency. In addition, during sampling, the water sample passes through the connecting hole to fill the inner cavity with water samples, and the floating ball pushes upward due to buoyancy. The partition plate is used to close the channel, so that two closed walls are formed in the channel. When the water sample is taken for testing, when the water sample in a storage cavity is detected, the boss rotates to the corresponding activity. When the plate is installed, it is possible to push up multiple movable plates during the rotation process, so that the channel is opened, and through the partition plate, the water sample is prevented from being polluted by the external environment after the channel is opened by the boss, and the detection result is more accurate.

The present invention has been exemplarily described above, and it is obvious that the specific implementation of the present invention is not limited by the above-mentioned manner, as long as various insubstantial improvements made by the method concept and technical solution of the present invention are adopted, or the present invention is not improved without improvement. It is within the protection scope of the present invention that the ideas and technical solutions of the invention are directly applied to other occasions. The protection scope of the present invention should be based on the protection scope defined by the claims.

Claims (9)

1. The utility model provides a water quality monitoring water sample collection device which characterized in that: comprises a collection box body (1), a motor (4) and a movable plate (8), wherein a plurality of storage cavities (2) are arranged in the collection box body (1) and are used for collecting water samples with different depths in the same water area by the collection box body (1), the storage cavities (2) are close to the upper end edge position and are provided with passages (3) communicated with the outside, one side of the passage (3) close to the outlet position is provided with an upper chute (23), the other side of the passage is provided with a lower chute (24), the body of the movable plate (8) is provided with a through hole (9), the movable plate (8) penetrates through the passages (3), the two ends of the movable plate (8) are respectively in sliding connection with the upper chute (23) and the lower chute (24), the motor (4) is fixedly connected with the bottom of the collection box body (1), the output shaft of the motor (4) is in key connection with a support plate (5), and the support plate (5) is fixedly connected with one end of a cylinder (6), the other end face of the column body (6) is provided with a boss (7), the end face of the column body (6) is in contact connection with the bottom end face of the movable plate (8), when the motor (4) rotates, after the movable plate (8) is jacked up by the boss (7), the through hole (9) enables the corresponding channel (3) to be communicated, and an external water sample enters the storage cavity (2) for storage.

2. The water quality monitoring water sample collection device according to claim 1, characterized in that: also comprises a clapboard (12), an inner cavity (11) is arranged inside one side of the storage cavity (2), the side wall of the inner cavity (11) close to the channel (3) is provided with a side groove (14), the bottom of the inner cavity (11) is provided with a connecting hole (17) communicated with the storage cavity (2), the bottom end of the clapboard (12) is fixedly connected with the bottom plate (13), the top of the clapboard (12) passes through the top end surface of the inner cavity (11), and extends into the channel (3), the two ends of the bottom plate (13) are connected with the side groove (14) in a sliding way, when water samples are stored in the storage cavity (2), water flowing into the inner cavity (11) through the connecting hole enables the floating ball (16) to push the partition plate (12) to gradually close the channel (3) under the action of buoyancy, the bottom of the side groove (14) is provided with an electromagnet (15), when the channel (3) needs to be opened, the electromagnet (15) attracts the partition plate (12) to gradually open the channel (3).

3. The water quality monitoring water sample collecting device according to claim 1, wherein: the bottom of the collection box body (1) is uniformly provided with a plurality of stabilizing blocks (18) which are used for always keeping the collection box body (1) in a vertical and downward state in water.

4. The water quality monitoring water sample collecting device according to claim 1, wherein: still include stabilizer plate (19), it is equipped with T shape circular slot (20) to gather side that box (1) is close to the bottom, the inside wall of cylinder (6) with the one end fixed connection of stabilizer plate (19), the T shape end and the T shape circular slot (20) fixed connection of stabilizer plate (19) for when motor (4) rotate, keep cylinder (6) to rotate steadily.

5. The water quality monitoring water sample collecting device according to claim 1, wherein: the part of the movable plate (8) close to the cylinder (6) is sleeved with a spring (10), one end of the spring (10) is fixedly connected with the outer side face of the collection box body (1), and the other end of the spring (10) is fixedly connected with the bottom end part of the movable plate (8) and used for enabling the movable plate (8) to be normally driven by the cylinder (6) under the action of the spring (10) when the collection box body (1) is inverted artificially.

6. The water quality monitoring water sample collection device according to claim 1, characterized in that: the outlet of the channel (3) is provided with a filter screen (21) for isolating water organisms from entering the storage cavity (2) when the water sample is collected by the collection box body (1).

7. The water quality monitoring water sample collection device according to claim 2, characterized in that: be equipped with seal groove (22) on the lateral wall of passageway (3), seal groove (22) are located baffle (12) the position directly over, and the inside of seal groove (22) is equipped with sealing rubber.

8. The water quality monitoring water sample collecting device according to claim 2, wherein: bottom plate (13) are equipped with a plurality of bottom plate holes (25), bottom plate hole (25) are used for when bottom plate (13) remove, do not receive the influence of water appearance pressure.

9. The water quality monitoring water sample collection device according to claim 2, characterized in that: the boss (7) is an arc-shaped boss, and the contact part of the boss (7) and the upper end face of the column body (6) adopts arc transition.

Images