CN217305141U

CN217305141U - Water quality monitoring device of tailwater tunnel

Info

Publication number: CN217305141U
Application number: CN202220639645.XU
Authority: CN
Inventors: 袁超义; 袁鹏; 闫生存; 杜奇龙; 蒲平新; 刘凯峰
Original assignee: Sichuan Huaneng Luding Hydropower Co Ltd
Current assignee: Sichuan Huaneng Luding Hydropower Co Ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-08-26
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a water quality monitoring device of tailwater tunnel relates to water quality monitoring technical field, the utility model discloses a device shell, the device shell is provided with the weight gain mechanism, the solid fixed ring of top fixedly connected with of device shell, the surface of device shell is provided with control mechanism, gu fixed ring's top is provided with the installation cavity, one side fixedly connected with servo motor of installation cavity, servo motor's output runs through the inside that extends to the installation cavity, and terminal surface fixedly connected with pivot, the outer fixed surface of pivot is connected with the rolling wheel, the one end and the wire rope fixed connection of rolling wheel, the weight gain mechanism includes the electro-magnet, peg graft post and counter weight ring, control mechanism is including the activity cavity, the mount pad, compression spring, pressure sensor and push pedal. The utility model relates to a water quality monitoring device of tailwater tunnel supports through water promotion push pedal and holds on pressure sensor to make pressure sensor experience pressure, and control servo motor through the pressure size.

Description

Water quality monitoring device of tailwater tunnel

Technical Field

The utility model relates to a water quality monitoring technology field, in particular to water quality monitoring device of tailwater tunnel.

Background

The tail water tunnel is a tunnel constructed by sending out waste water discharged by a hydropower station generator set. When the wastewater is sent out, the water quality detection needs to be carried out on the wastewater, and the water quality is short for water quality. It marks the physical (such as chroma, turbidity, odor, etc.), chemical (content of inorganic and organic matters) and biological (bacteria, microbe, plankton, benthos) characteristics and their composition conditions of water, and the water quality monitoring is generally carried out by a water quality monitoring device.

In the water quality monitoring device in the market at present, a balancing weight is generally locked in a balancing weight box to adjust the weight of the device, so that the descending depth is controlled, but the addition or removal of the balancing weight is troublesome, and the weight of the device cannot be quickly adjusted; the existing water quality monitoring device cannot automatically adjust the height of the device according to the water level.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a water quality monitoring device for tailwater tunnels, which can effectively solve the problems of the weight of the adjusting device which can not be rapidly adjusted in the background art, and the height of the automatic adjusting device which can not be adjusted according to the water level.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a water quality monitoring device of a tail water tunnel comprises a device shell, wherein a weight increasing mechanism is arranged on the device shell, a fixing ring is fixedly connected to the top of the device shell, a control mechanism is arranged on the outer surface of the device shell, an installation cavity is arranged on the top of the fixing ring, a servo motor is fixedly connected to one side of the installation cavity, the output end of the servo motor penetrates through the installation cavity and extends into the installation cavity, a rotating shaft is fixedly connected to the end face of the servo motor, a winding wheel is fixedly connected to the outer surface of the rotating shaft, and one end of the winding wheel is fixedly connected with a steel wire rope;

the weight increasing mechanism comprises an electromagnet, an insertion column and a counterweight ring, an internal top plate of a device shell is fixedly connected with one side of the electromagnet, the top of the device shell is fixedly connected with one end of the insertion column, the outer surface of the other end of the insertion column is provided with a threaded groove, the insertion column is in threaded connection with a nut through the threaded groove, the counterweight ring is arranged at the top of the insertion column, a movable groove penetrates through the top of the counterweight ring, and the inner diameter size of the movable groove is matched with the outer surface size of the insertion column;

control mechanism is including activity cavity, mount pad, compression spring, pressure sensor and push pedal, the surface of device shell and the fixed surface of activity cavity are connected, the lateral wall of activity cavity and one side fixed connection of mount pad, the inside roof of activity cavity and compression spring's one end fixed connection, compression spring's inside is provided with pressure sensor, compression spring's the other end and the one end fixed connection of push pedal.

Preferably, the bottom of the device shell is fixedly connected with a filter screen and a monitoring probe, and the monitoring probe is located inside the filter screen.

Preferably, the bottom plate inside the device shell is fixedly connected with a storage battery and a microprocessor, the storage battery is electrically connected with the microprocessor, and the microprocessor is electrically connected with the monitoring probe.

Preferably, the outer surface of the device shell is fixedly connected with a control switch, and the control switch is electrically connected with the electromagnet through a storage battery.

Preferably, the center department of counter weight ring runs through and is provided with circular recess, the internal diameter size of circular recess is greater than solid fixed ring's surface size, the inside wall of circular recess runs through and is provided with the through-hole, the internal diameter size of through-hole is greater than wire rope's surface size.

Preferably, the number of the installation bases is four, the installation bases are distributed on the outer surface of the movable cavity in a rectangular mode, and threaded installation holes are formed in the top of each installation base in a penetrating mode.

Preferably, the pressure sensor is in signal connection with the servo motor.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through fixing wire rope mutually with solid fixed ring, then will install the top of cavity fixed connection at the tailwater tunnel, later start servo motor, thereby transfer the certain distance with the device shell, peg graft the spliced pole with the activity groove of the counter weight ring of a certain amount this moment on, then start the electro-magnet, thereby adsorb the top of device shell with the counter weight ring, with this weight that improves the device, thereby realize the sunken degree of depth of controlling means, the counter weight ring when increasing or reducing, only need control the switch of electro-magnet alright, its operation is very convenient.

2. The utility model discloses in, the activity cavity passes through mount pad fixed mounting at the surface of device shell, then place the device shell in water, and monitor the quality of water condition through the monitor probe, water will promote the push pedal this moment, support and hold on pressure sensor, when the water level descends, the pressure that pressure sensor experienced this moment is less than the setting value, thereby make pressure sensor control servo motor reversal, make the device move down with this, until the pressure value of sensing equals the setting value, the device stop motion, when the water level rises, the pressure that pressure sensor experienced this moment is greater than the setting value, thereby make pressure sensor control servo motor corotation, make the device rebound with this, until the pressure value of sensing equals the setting value, the device stop motion.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a water quality monitoring device of a tailwater tunnel of the present invention;

FIG. 2 is a schematic view of the overall plane structure of the water quality monitoring device of the tailwater tunnel of the present invention;

fig. 3 is a schematic view of the internal structure of the device shell and the filtering net cover of the water quality monitoring device of the tailwater tunnel of the utility model;

FIG. 4 is a schematic view of the internal structure of the installation chamber of the water quality monitoring device of the tailwater tunnel of the present invention;

figure 5 is the utility model relates to a water quality monitoring devices movable cavity internal structure schematic diagram of tailwater tunnel.

In the figure: 1. a device housing; 2. filtering a net cover; 3. a storage battery; 4. a microprocessor; 5. an electromagnet; 6. monitoring the probe; 7. a fixing ring; 8. inserting the column; 9. a counterweight ring; 10. a movable groove; 11. a movable chamber; 12. a mounting seat; 13. a compression spring; 14. a pressure sensor; 15. pushing the plate; 16. installing a chamber; 17. a servo motor; 18. a rotating shaft; 19. a winding wheel; 20. a steel cord.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-5, the utility model relates to a water quality monitoring device of tail water tunnel, including device shell 1, device shell 1 is provided with the weight gain mechanism, the top fixedly connected with solid fixed ring 7 of device shell 1, the surface of device shell 1 is provided with control mechanism, the top of solid fixed ring 7 is provided with installation cavity 16, one side fixedly connected with servo motor 17 of installation cavity 16, the output of servo motor 17 runs through and extends to the inside of installation cavity 16, and the terminal surface fixedly connected with pivot 18, the surface fixedly connected with wind-up wheel 19 of pivot 18, one end and wire rope 20 fixed connection of wind-up wheel 19;

the weight increasing mechanism comprises an electromagnet 5, an inserting column 8 and a counterweight ring 9, an internal top plate of a device shell 1 is fixedly connected with one side of the electromagnet 5, the top of the device shell 1 is fixedly connected with one end of the inserting column 8, a threaded groove is formed in the outer surface of the other end of the inserting column 8, the inserting column 8 is in threaded connection with a nut through the threaded groove, the counterweight ring 9 is arranged at the top of the inserting column 8, a movable groove 10 penetrates through the top of the counterweight ring 9, and the inner diameter of the movable groove 10 is matched with the outer surface of the inserting column 8;

the control mechanism comprises a movable chamber 11, a mounting seat 12, a compression spring 13, a pressure sensor 14 and a push plate 15, the outer surface of the device shell 1 is fixedly connected with the outer surface of the movable chamber 11, the outer side wall of the movable chamber 11 is fixedly connected with one side of the mounting seat 12, an inner top plate of the movable chamber 11 is fixedly connected with one end of the compression spring 13, the pressure sensor 14 is arranged inside the compression spring 13, and the other end of the compression spring 13 is fixedly connected with one end of the push plate 15.

The bottom fixedly connected with of device shell 1 filters screen panel 2 and monitor 6, and monitor 6 is located the inside of filtering screen panel 2, through the filter screen panel 2 that sets up, prevents that debris from striking monitor 6.

The device shell 1's inside bottom plate fixedly connected with battery 3 and microprocessor 4, battery 3 and microprocessor 4 electric connection, microprocessor 4 and monitoring probe 6 electric connection, supply power for microprocessor 4 through battery 3, microprocessor 4 handles the data of monitoring probe 6 monitoring.

The outer surface of the device shell 1 is fixedly connected with a control switch, the control switch is electrically connected with the electromagnet 5 through the storage battery 3, and the electromagnet 5 is controlled through the control switch.

The center department of counter weight ring 9 runs through and is provided with the circular recess, and the internal diameter size of circular recess is greater than the outer surface size of solid fixed ring 7, and the inside wall of circular recess runs through and is provided with the through-hole, and the internal diameter size of through-hole is greater than wire rope 20's outer surface size, and counter weight ring 9 passes wire rope 20 through the through-hole, pegs graft solid fixed ring 7's surface.

The quantity of mount pad 12 has four groups, and is the rectangle and distributes at the surface of activity cavity 11, and the top of every group mount pad 12 all runs through and is provided with the screw thread mounting hole, fixes activity cavity 11 at the surface of device shell 1 through mount pad 12.

The pressure sensor 14 is in signal connection with a servo motor 17, and the servo motor 17 is controlled by the pressure sensor 14.

The utility model discloses a theory of operation does: the steel wire rope 20 is fixed with the fixing ring 7, the mounting cavity 16 is fixedly connected to the top of the tail water tunnel, the servo motor 17 is started, the device shell 1 is lowered for a certain distance, the movable grooves 10 of a certain number of counterweight rings 9 are inserted into the insertion columns 8 at the moment, the electromagnet 5 is started, the counterweight rings 9 are adsorbed to the top of the device shell 1, the weight of the device is improved, the sinking depth of the device is controlled, the movable cavity 11 is fixedly mounted on the outer surface of the device shell 1 through the mounting seat 12, the device shell 1 is placed in water, the water quality condition is monitored through the monitoring probe 6, the water pushes the push plate 15 to abut against the pressure sensor 14, when the water level drops, the pressure sensed by the pressure sensor 14 is smaller than a set value, and the servo motor 17 is controlled to rotate reversely by the pressure sensor 14, therefore, the device moves downwards until the sensed pressure value is equal to the set value, the device stops moving, when the water level rises, the pressure sensed by the pressure sensor 14 is larger than the set value, the pressure sensor 14 controls the servo motor 17 to rotate forwards, the device moves upwards, and the device stops moving until the sensed pressure value is equal to the set value.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water quality monitoring device of tailwater tunnel which characterized in that: the device comprises a device shell (1), wherein a weight increasing mechanism is arranged on the device shell (1), a fixing ring (7) is fixedly connected to the top of the device shell (1), a control mechanism is arranged on the outer surface of the device shell (1), an installation cavity (16) is arranged on the top of the fixing ring (7), a servo motor (17) is fixedly connected to one side of the installation cavity (16), the output end of the servo motor (17) penetrates through the installation cavity (16) and extends into the installation cavity (16), a rotating shaft (18) is fixedly connected to the end face of the servo motor, a winding wheel (19) is fixedly connected to the outer surface of the rotating shaft (18), and one end of the winding wheel (19) is fixedly connected with a steel wire rope (20);

the weight increasing mechanism comprises an electromagnet (5), an inserting column (8) and a balance weight ring (9), an internal top plate of the device shell (1) is fixedly connected with one side of the electromagnet (5), the top of the device shell (1) is fixedly connected with one end of the inserting column (8), a threaded groove is formed in the outer surface of the other end of the inserting column (8), the inserting column (8) is in threaded connection with a nut through the threaded groove, the balance weight ring (9) is arranged at the top of the inserting column (8), a movable groove (10) penetrates through the top of the balance weight ring (9), and the inner diameter of the movable groove (10) is matched with the outer surface size of the inserting column (8);

control mechanism is including activity cavity (11), mount pad (12), compression spring (13), pressure sensor (14) and push pedal (15), the surface of device shell (1) and the fixed surface of activity cavity (11) are connected, the lateral wall of activity cavity (11) and one side fixed connection of mount pad (12), the inside roof of activity cavity (11) and the one end fixed connection of compression spring (13), the inside of compression spring (13) is provided with pressure sensor (14), the other end of compression spring (13) and the one end fixed connection of push pedal (15).

2. The water quality monitoring device of the tailwater tunnel according to claim 1, wherein: the device is characterized in that the bottom of the device shell (1) is fixedly connected with a filter screen (2) and a monitoring probe (6), and the monitoring probe (6) is located inside the filter screen (2).

3. The water quality monitoring device of the tailwater tunnel according to claim 2, wherein: the device is characterized in that a storage battery (3) and a microprocessor (4) are fixedly connected to an inner bottom plate of the device shell (1), the storage battery (3) is electrically connected with the microprocessor (4), and the microprocessor (4) is electrically connected with the monitoring probe (6).

4. The water quality monitoring device of the tailwater tunnel according to claim 3, wherein: the device is characterized in that a control switch is fixedly connected to the outer surface of the device shell (1), and the control switch is electrically connected with the electromagnet (5) through a storage battery (3).

5. The water quality monitoring device of the tailwater tunnel according to claim 4, wherein: the center department of counter weight ring (9) runs through and is provided with the circular recess, the internal diameter size of circular recess is greater than the surface size of solid fixed ring (7), the inside wall of circular recess runs through and is provided with the through-hole, the internal diameter size of through-hole is greater than the surface size of wire rope (20).

6. The water quality monitoring device of the tailwater tunnel according to claim 5, wherein: the quantity of mount pad (12) has four groups, and is the rectangle and distributes at the surface of activity cavity (11), every group the top of mount pad (12) all runs through and is provided with the screw thread mounting hole.

7. The water quality monitoring device of the tailwater tunnel according to claim 6, wherein: the pressure sensor (14) is in signal connection with the servo motor (17).