CN110907617A

CN110907617A - A quality of water developments sampling device for aquaculture

Info

Publication number: CN110907617A
Application number: CN201911047851.0A
Authority: CN
Inventors: 牛晓君; 张冬青
Original assignee: Guangzhou Natural Legend Ecological Environment Technology Co ltd
Current assignee: Guangzhou Natural Legend Ecological Environment Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-03-24
Anticipated expiration: 2039-10-30
Also published as: CN110907617B

Abstract

The invention discloses a water quality dynamic sampling device for aquaculture industry, and belongs to the technical field of water quality sampling. Mainly comprises a mounting frame body, a water quality dynamic acquisition element, an intelligent control cabinet, a biological driving element and a power supply; through the arrangement of the water quality dynamic acquisition element, the sampling requirements of different water layers can be met, and the accuracy of water quality detection is improved; through the arrangement of the biological driving element, the driving force on organisms is increased, and the damage to the organisms which can not be driven by partial ultrasonic waves in the culture water body is avoided; the culture water samples are collected simultaneously through the plurality of dynamic collecting heads, the sample collecting efficiency is improved, and the area of a collecting area among the dynamic collecting heads is enlarged by adjusting the circular area formed by the arc-shaped adjusting blocks, so that the accuracy of the collected sample detection is improved; the device has the advantages of stable operation and high acquisition efficiency, and is suitable for mass popularization.

Description

A quality of water developments sampling device for aquaculture

Technical Field

The invention belongs to the technical field of water quality sampling, and particularly relates to a water quality dynamic sampling device for aquaculture industry.

Background

Along with the continuous development of economy, the pollution problem of environment is also more serious, especially to the pollution problem in waters, seriously influences the going on of aquaculture, in order to do benefit to going on of aquaculture, need monitor the quality of water in waters in real time to guarantee that aquaculture's safety goes on.

In the period of converting the traditional fishery into the modern fishery in China, the requirements of a large amount of aquaculture on pond water are higher, and when the area for using the aquaculture is too large, the aquaculture can not be observed only by aquaculture personnel on water quality, so that the workload of the aquaculture personnel is increased.

To realize the real-time detection of the aquaculture water quality, a sampling device is needed to sample the water body, and a special water quality measuring and controlling instrument is used to detect corresponding indexes in the aquaculture water body, so that the safety of the water quality is ensured. The collection of water samples is an important link of water quality analysis during preservation, and accurate sampling method and water sample preservation method must be used and timely sample delivery analysis and assay are required to obtain accurate and comprehensive water quality analysis data.

The existing water quality acquisition device for the aquaculture industry has the defects that the sampling water body depth is single, the sampling can not be respectively carried out according to different water layers, the water body sampling is not accurate enough, a plurality of acquisition devices can not be simultaneously carried out on the water body of the same water layer, and the acquisition efficiency is low; after the collecting device enters the water body, the sampling device can not stably run due to the buoyancy of the water body; when carrying out the water quality sampling, the device body causes mechanical injury to the biology in the aquaculture water body easily, influences biological survival rate.

Disclosure of Invention

Aiming at the problems, the invention provides the dynamic water quality sampling device for the aquaculture industry, which has stable operation and high acquisition efficiency.

The invention provides a water quality dynamic sampling device for aquaculture industry, which mainly comprises an installation frame body, a water quality dynamic acquisition element for dynamically sampling the water quality of aquaculture, an intelligent control cabinet and a power supply, wherein the intelligent control cabinet is arranged at the upper end of the installation frame body and is electrically connected with the water quality dynamic acquisition element;

quality of water developments collection component including locate installation support body upper end and through the rotatory regulation drawing drum of receiving and releasing the line of motor drive, through the connecting wire with adjust the collar of drawing drum, locate the dynamic acquisition head that collar end just, dynamic acquisition head includes that the lateral wall evenly is equipped with vertical sliding tray one and the bottom inner wall is equipped with the internal thread and the lateral wall is equipped with the collection section of thick bamboo of getting and putting the door along the circumferencial direction, locates in the collection section of thick bamboo and the outer wall be equipped with the installation inner tube of vertical sliding tray two of vertical sliding tray position one-to-one, from top to bottom align to grid in both ends all are equipped with the regulation mounting panel that runs through vertical sliding tray one and vertical sliding tray two and extend to the collection section of thick bamboo outside the collection section of thick bamboo, locate adjust the mounting panel bottom and through hydraulic telescoping rod height-adjusting's scissors alignment frame, locate adjust mounting panel upper end and be connected and the junction is equipped with the collection section The sample temporary storage tank is provided with a liquid outlet, the upper end of the sample temporary storage tank is provided with an external thread connecting cylinder connected with the internal thread, the bottom end of the sample temporary storage tank is provided with a bearing block, and the liquid outlet is provided with a sealing cover;

the intelligent control cabinet is internally provided with a PLC for controlling each electrical element to normally operate, a timer which is electrically connected with the PLC and records sampling time, an alarm which is connected with the PLC, and a touch operation screen which is connected with the PLC and is used for operating each electrical element by a worker; the power supply provides power for the micro pump, the timer, the alarm and the touch operation screen.

Further, the installation ring center is equipped with solid fixed ring, gu fixed ring all has along the circumferencial direction to be equipped with a plurality of telescopic links through motor drive, every the telescopic link is kept away from solid fixed ring one side and is equipped with the arc regulating block, and adjacent two connect through the arc pole between the arc regulating block, and dynamic collection head has a plurality ofly, locates arc regulating block bottom respectively, gathers breed water sample simultaneously through a plurality of dynamic collection heads, improves sample collection efficiency, and through the flexible of motor drive telescopic link, the circular area that each arc regulating block constitutes can be adjusted to enlarge the regional area of collection between each dynamic collection head, improve the sample detection's of collection accuracy.

The device further comprises a biological driving element for driving organisms in the aquaculture pond, wherein the biological driving element comprises mounting seats, an ultrasonic generator and a plurality of ultrasonic nozzles, the mounting seats are arranged at the upper end and the lower end of the collecting cylinder, the diameter of the mounting seats is larger than that of the collecting cylinder, the ultrasonic generator is arranged in the mounting seats, and the ultrasonic nozzles are uniformly arranged along the circumference of the mounting seats and are connected with the ultrasonic generator; ultrasonic wave that supersonic generator took place spouts to breeding in the water body through each ultrasonic nozzle, drives through the organism of ultrasonic wave in to the water body, causes the injury to the organism when avoiding gathering the water body.

Further, the biological element of driving still includes the swivel becket, the ultrasonic nozzle periphery is located to the swivel becket, and the swivel becket outer wall evenly is equipped with a plurality of stirring paddle leaf along the circumferencial direction, is equipped with the rotation motor of being connected through axis of rotation and swivel becket in the mount pad, rotates through rotating motor drive swivel becket to make stirring paddle leaf drive water around stir the increase to biological driving force, avoid causing the injury to the biological of the unable driving of part ultrasonic wave in the aquaculture water.

Furthermore, a plurality of fixed contact pins are uniformly arranged at the bottom end of the fixed base plate, the fixed contact pins are made of stainless steel, and are inserted to the bottom of the aquaculture pond through the fixed contact pins and matched with the bearing block, so that the stability of the dynamic collecting head during collection is improved.

Furthermore, gather and be equipped with the filter screen that is arranged in filtering the water impurity in the head periphery, the filter screen is detachable construction, filters the impurity in the water through the filter screen, avoids causing the jam to gathering the head, influences the collection effect of aquaculture water.

Further, be equipped with the visual probe that is used for monitoring submarine water quality sampling condition on the collection section of thick bamboo, visual probe and PLC electric connection, and visual probe outer wall cover is equipped with transparent safety cover, conveniently knows the inside sample collection condition of water in real time through visual probe, avoids taking place to gather the abnormal conditions, increases the reliability of device operation.

Furthermore, the inside solenoid that is equipped with of collar bottom, the inside top of mount pad that is located the upper end be equipped with the magnet of the corresponding actuation of solenoid, solenoid and PLC electric connection through the actuation or the disconnection of solenoid and magnet, make things convenient for being connected or separating of dynamic collecting head and mount pad, do not need the extra operation of staff, reduce staff's work load, increase the intelligence of device.

The working principle of the invention is as follows: when the device is used for dynamically sampling the water quality of the aquaculture industry, the specific operation is as follows:

(1) the motor is started to rotate in a forward rotation mode to enable the pay-off reel to pay off, the dynamic collecting head is placed in the aquaculture water body, the dynamic collecting head is sunk to the water bottom through the bearing block, and meanwhile the dynamic collecting head is inserted to the bottom of the aquaculture pond through the fixing insertion needle to be fixed;

(2) the motor is started to drive each telescopic rod to extend, and each telescopic rod extends outwards, so that each arc-shaped adjusting block is driven to move outwards, the circular area formed by each arc-shaped adjusting block is increased, and the area of an acquisition area between each dynamic acquisition head is enlarged;

(3) according to the requirements of collecting water samples of different water layers, the height of a scissor adjusting frame is adjusted through a hydraulic telescopic rod, so that the height of a corresponding adjusting mounting plate is adjusted, the height of each adjusting mounting plate meets the requirements of sampling of different water layers, then a micro pump is started, the micro pump pumps a water sample into a sample temporary storage tank through each collecting branch head, the sampling time is recorded through a timer, when the sampling time is up, the timer sends a signal to a PLC (programmable logic controller), the PLC controls an alarm to give an alarm, meanwhile, the PLC controls a motor to rotate reversely, the PLC drives a rotating adjusting pay-off reel to take up the water, and a dynamic collecting head is lifted out of the water surface;

(4) open and get and put the door, deposit the sample jar of keeping in of different water layers respectively to different outside sample test tubes through the liquid outlet and detect.

(5) During the sampling, start supersonic generator transmission ultrasonic wave, the ultrasonic wave is spouted to breeding in the water body through each ultrasonic nozzle, drives through the organism of ultrasonic wave in to the water body, starts the rotation motor, rotates the rotation of motor drive rotating ring to the messenger stirs the paddle and drives water stirring increase around and to biological driving force.

Compared with the prior art, the invention has the beneficial effects that: the invention provides a water quality dynamic sampling device for aquaculture industry, which can meet the sampling requirements of different water layers and increase the accuracy of water quality detection by adjusting different heights between adjacent adjusting mounting plates; the driving force to organisms is increased by sending ultrasonic interference to the entity and stirring the surrounding water body by the stirring paddle, so that the organisms which cannot be driven by partial ultrasonic in the aquaculture water body are prevented from being damaged; the fixed spiles are inserted to the bottom of the aquaculture pond and matched with the bearing blocks, so that the stability of the dynamic collecting head during collection is improved; the culture water samples are collected simultaneously through the plurality of dynamic collecting heads, the sample collecting efficiency is improved, and the area of a collecting area among the dynamic collecting heads is enlarged by adjusting the circular area formed by the arc-shaped adjusting blocks, so that the accuracy of the collected sample detection is improved; the device has the advantages of stable operation and high acquisition efficiency, and is suitable for mass popularization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the external configuration of the dynamic pick head of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the dynamic pick head of the present invention;

FIG. 4 is a top view of the dynamic pick head of the present invention;

FIG. 5 is a schematic structural view of the stationary base plate of the present invention;

FIG. 6 is a schematic view of the construction of the mounting ring of the present invention;

FIG. 7 is a schematic structural view of a biological driving element of the invention;

fig. 8 is an electrical connection diagram of the present invention.

Wherein, 1-an installation frame body, 2-a water quality dynamic acquisition element, 20-an adjusting pay-off reel, 21-an installation ring, 210-a fixed ring, 211-a telescopic rod, 212-an arc-shaped adjusting block, 213-an electromagnetic coil, 22-a dynamic acquisition head, 220-an acquisition barrel, 2200-a vertical sliding groove I, 2201-an internal thread, 2202-a taking and placing door, 221-an installation inner barrel, 2210-a vertical sliding groove II, 222-an adjusting installation plate, 2220-an acquisition branch head, 2221-a micropump, 2225-a filter screen, 223-a scissor adjusting frame, 224-a sample temporary storage tank, 2240-a liquid outlet, 225-a fixed chassis, 2250-an external thread connecting barrel, 2251-a bearing block, 2252-a fixed contact pin, 226-a visible probe, 2260-a transparent protective cover, 3-intelligent control cabinet, 30-PLC, 31-timer, 32-alarm, 33-touch operation screen, 4-biological driving element, 40-mounting seat, 401-magnet, 41-ultrasonic generator, 42-ultrasonic nozzle, 43-rotating ring, 430-stirring paddle and 44-rotating motor.

Detailed Description

Example (b): as shown in fig. 1, a water quality dynamic sampling device for aquaculture mainly comprises a mounting frame body 1, a water quality dynamic acquisition element 2 for dynamically sampling the water quality of aquaculture, an intelligent control cabinet 3 arranged at the upper end of the mounting frame body 1 and electrically connected with the water quality dynamic acquisition element 2, a biological driving element 4 for driving organisms in an aquaculture pond, and a power supply;

the dynamic water quality acquisition element 2 comprises an adjusting pay-off reel 20 which is arranged at the upper end of the installation frame body 1 and rotationally receives and releases water through the driving of a motor, an installation ring 21 which is connected with the adjusting pay-off reel 20 through a connecting wire, and a dynamic acquisition head 22 which is arranged at the bottom end of the installation ring 21, wherein the dynamic acquisition head 22 comprises an acquisition barrel 220, the side wall of which is uniformly provided with a first vertical sliding groove 2200 in the circumferential direction, the inner wall of the bottom end of which is provided with an internal thread 2201, the side wall of which is provided with an access door 2202, an installation inner barrel 221 which is arranged in the acquisition barrel 220 and the outer wall of which is provided with a second vertical sliding groove 2210 in one-to-one correspondence with the first vertical sliding groove 2200, an adjustment installation plate 222 which is uniformly arranged from top to bottom and the left end and the right end of which is provided with an acquisition branch 2220 which penetrates through the first vertical sliding, The sample temporary storage tank 2224 is arranged at the upper end of the adjusting and mounting plate 222, is connected with the collecting branch 2220 through a connecting pipe, is provided with a micro pump 2221 at the connecting position, is provided with a liquid outlet 2240 on the side wall, and is provided with a fixed chassis 225 which is provided with an external thread connecting cylinder 2250 connected with an internal thread 2201 at the upper end and is provided with a bearing block 2251 at the bottom end, and is provided with a sealing cover at the liquid outlet 2240; the center of the mounting ring 21 is provided with a fixing ring 210, the fixing ring 210 is provided with 4 telescopic rods 211 driven by a motor along the circumferential direction, one side, away from the fixing ring 210, of each telescopic rod 211 is provided with an arc-shaped adjusting block 212, two adjacent arc-shaped adjusting blocks 212 are connected through an arc-shaped rod, 4 dynamic collecting heads 22 are arranged at the bottom ends of the arc-shaped adjusting blocks 212 respectively, the culture water samples are collected simultaneously through the 4 dynamic collecting heads 22, the sample collecting efficiency is improved, and the circular area formed by the arc-shaped adjusting blocks 212 can be adjusted through the extension and retraction of the motor-driven telescopic rods 211, so that the area of a collecting area among the dynamic collecting heads 22 is enlarged, and the accuracy of the collected sample detection is improved; the bottom end of the fixed chassis 225 is uniformly provided with 8 fixed contact pins 2252, the fixed contact pins 2252 are made of stainless steel, and the fixed contact pins 2252 are inserted into the bottom of the aquaculture pond and used in cooperation with the bearing block 2251 to increase the stability of the dynamic collection head 22 during collection; a filter screen 2225 for filtering impurities in the water body is arranged on the periphery of the collecting sub-head 2220, the filter screen 2225 is of a detachable structure, and the impurities in the water body are filtered through the filter screen 2225, so that the phenomenon that the collecting effect of aquaculture water is influenced due to blockage of the collecting sub-head 222 is avoided; the collecting cylinder 220 is provided with a visible probe 226 for monitoring the sampling condition of the water quality at the bottom, the visible probe 226 is electrically connected with the PLC30, and the outer wall of the visible probe 226 is covered with a transparent protective cover 2260, so that the sample collecting condition in the water body can be conveniently known in real time through the visible probe 226, the abnormal collecting condition is avoided, and the running reliability of the device is improved; the electromagnetic coil 213 is arranged inside the bottom end of the mounting ring 21, the magnet 401 correspondingly attracted to the electromagnetic coil 213 is arranged at the top end inside the mounting seat 40 positioned at the upper end, the electromagnetic coil 213 is electrically connected with the PLC30, and the dynamic collecting head 22 is conveniently connected with or separated from the mounting seat 40 by attraction or disconnection of the electromagnetic coil 213 and the magnet 401, so that extra operation of workers is not needed, the workload of the workers is reduced, and the intelligence of the device is improved;

a PLC30 for controlling each electrical element to normally operate, a timer 31 electrically connected with a PLC30 and recording sampling time, an alarm 32 connected with the PLC30 and a touch operation screen 33 connected with the PLC30 and used for operating each electrical element by a worker are arranged in the intelligent control cabinet 3;

the biological driving element 4 comprises a mounting seat 40 which is arranged at the upper end and the lower end of the collecting cylinder 220 and has a diameter larger than that of the collecting cylinder 220, an ultrasonic generator 41 which is arranged in the

mounting seat

40, 4 ultrasonic nozzles 42 which are uniformly arranged along the circumference of the mounting seat 40 and are connected with the ultrasonic generator 41, and a rotating ring 43; ultrasonic waves generated by the ultrasonic generator 41 are sprayed into the culture water body through the ultrasonic nozzles 42, and organisms in the water body are driven by the ultrasonic waves, so that the organisms are prevented from being damaged when the water body is collected; the rotating ring 43 is arranged at the periphery of the

ultrasonic nozzle

42, 4 stirring blades 430 are uniformly arranged on the outer wall of the rotating ring 43 along the circumferential direction, a rotating motor 44 connected with the rotating ring 43 through a rotating shaft is arranged in the mounting seat 40, and the rotating ring 43 is driven to rotate through the rotating motor 44, so that the stirring blades 430 drive the surrounding water body to stir to increase the driving force on organisms, and the organisms which cannot be driven by part of ultrasonic waves in the aquaculture water body are prevented from being damaged; the power supply provides power for the electromagnetic coil 213, the micropump 2221, the visual probe 226, the timer 31, the alarm 32, the touch operation screen 33, the ultrasonic generator 41 and the rotating motor 44, wherein the micropump 2221 is of a type of Prandy 1201-12062201-2203, the visual probe 226 is of a type of RER-USBFHD06H, the timer 31 is of a type of KG316T, the alarm 32 is of a type of XBJ-150J, the touch operation screen 33 is of a type of 6AV6648-0CC11-3AX0, the ultrasonic generator 41 is of a type of DENE/6600C, the rotating motor 44 adopts a Y-series three-phase asynchronous motor, and the PLC30 adopts an STM32 single chip microcomputer.

When the device is used for dynamically sampling the water quality of the aquaculture industry, the specific operation is as follows:

(1) the motor is started to rotate in a forward rotation mode to drive the pay-off reel 20 to pay off, the dynamic collecting head 22 is placed in the aquaculture water body, the dynamic collecting head 22 is sunk to the bottom of the water through the bearing block 2251, and meanwhile the dynamic collecting head 22 is fixed by being inserted to the bottom of the aquaculture pond through the fixing insertion pins 2252;

(2) the motor is started to drive each telescopic rod 211 to extend, and each telescopic rod 211 extends outwards, so that each arc-shaped adjusting block 212 is driven to move outwards, the circular area formed by each arc-shaped adjusting block 212 is increased, and the area of the collecting area among the dynamic collecting heads 22 is enlarged;

(3) according to the requirements of collecting water samples of different water layers, the height of the scissor adjusting frame 223 is adjusted through the hydraulic telescopic rod, so that the height of the corresponding adjusting mounting plate 222 is adjusted, the height of each adjusting mounting plate 222 meets the requirements of sampling of different water layers, then the micro pump 2221 is started, the micro pump 2221 pumps a water sample into the sample temporary storage tank 2224 through each collecting branch 2220, the sampling time is recorded through the timer 31, after the sampling time is reached, the timer 31 sends a signal to the PLC30, the PLC30 controls the alarm 32 to give an alarm, meanwhile, the PLC30 controls the motor to rotate reversely, the adjusting pay-off reel 20 is driven to take up wires, and the dynamic collecting head 22 is lifted out of the water surface;

(4) open and get and put door 2202, deposit the sample jar of keeping in 2224 of different water layers to different outside sample test tubes respectively through liquid outlet 2240 and detect.

(5) During sampling, the ultrasonic generator 41 is started to emit ultrasonic waves, the ultrasonic waves are sprayed into the culture water body through the ultrasonic nozzles 42, organisms in the water body are driven through the ultrasonic waves, the rotating motor 44 is started, the rotating motor 44 drives the rotating ring 43 to rotate, and therefore the stirring blades 430 drive the surrounding water body to stir, and the driving force of the organisms is increased.

Claims

1. A water quality dynamic sampling device for aquaculture industry is characterized by mainly comprising an installation frame body (1), a water quality dynamic acquisition element (2) for dynamically sampling the water quality of aquaculture, an intelligent control cabinet (3) arranged at the upper end of the installation frame body (1) and electrically connected with the water quality dynamic acquisition element (2), and a power supply;

quality of water developments collection component (2) including locate installation support body (1) upper end and through the rotatory regulation drawing drum (20) of receiving and releasing the line of motor drive, through the connecting wire with install ring (21) of adjusting drawing drum (20), locate install ring (21) bottom just dynamic collection head (22), dynamic collection head (22) include that the lateral wall evenly is equipped with vertical sliding tray one (2200) and bottom inner wall along the circumferencial direction and is equipped with internal thread (2201) and the lateral wall is equipped with the collection section of thick bamboo (220) of getting and putting door (2202), locate collection section of thick bamboo (220) interior and outer wall be equipped with installation inner tube (221) of vertical sliding tray two (2210) that vertical sliding tray one (2200) position one-to-one from top to bottom evenly arrange in installation inner tube (221) and control both ends all are equipped with and run through vertical sliding tray one (2200) and vertical sliding tray two (2210) and extend to the regulation mounting panel (222) of collection section of collection head (2220) outside collection section of thick bamboo (220), The device comprises a scissor adjusting frame (223) which is arranged at the bottom end of an adjusting mounting plate (222) and is adjusted in height through a hydraulic telescopic rod, a sample temporary storage tank (224) which is arranged at the upper end of the adjusting mounting plate (222), is connected with a collecting branch head (2220) through a connecting pipe, is provided with a micropump (2221) at the joint, is provided with a liquid outlet (2240) on the side wall, and a fixing chassis (225) which is provided with an external thread connecting cylinder (2250) connected with the internal thread (2201) at the upper end and is provided with a bearing block (2251) at the bottom end, wherein a sealing cover is arranged at the liquid;

a PLC (30) used for controlling each electrical element to normally operate, a timer (31) electrically connected with the PLC (30) and used for recording sampling time, an alarm (32) connected with the PLC (30), and a touch operation screen (33) connected with the PLC (30) and used for operating each electrical element by a worker are arranged in the intelligent control cabinet (3); the power supply provides power for the micro pump (2221), the timer (31), the alarm (32) and the touch operation screen (33).

2. The water quality dynamic sampling device for the aquaculture industry according to claim 1, wherein a fixing ring (210) is arranged in the center of the mounting ring (21), the fixing ring (210) is provided with a plurality of telescopic rods (211) driven by a motor along the circumferential direction, an arc-shaped adjusting block (212) is arranged on one side, away from the fixing ring (210), of each telescopic rod (211), two adjacent arc-shaped adjusting blocks (212) are connected through an arc-shaped rod, and a plurality of dynamic collecting heads (22) are arranged and are respectively arranged at the bottom ends of the arc-shaped adjusting blocks (212).

3. The dynamic water quality sampling device for the aquaculture industry according to claim 1, further comprising a biological driving element (4) for driving organisms in the aquaculture pond, wherein the biological driving element (4) comprises a mounting seat (40) arranged at the upper end and the lower end of the collecting cylinder (220) and with a diameter larger than that of the collecting cylinder (220), an ultrasonic generator (41) arranged in the mounting seat (40), and a plurality of ultrasonic nozzles (42) uniformly arranged along the circumference of the mounting seat (40) and connected with the ultrasonic generator (41).

4. The water quality dynamic sampling device for the aquaculture industry according to claim 3, wherein the biological driving element (4) further comprises a rotating ring (43), the rotating ring (43) is arranged at the periphery of the ultrasonic nozzle (42), a plurality of stirring blades (430) are uniformly arranged on the outer wall of the rotating ring (43) along the circumferential direction, and a rotating motor (44) connected with the rotating ring (43) through a rotating shaft is arranged in the mounting seat (40).

5. The dynamic water quality sampling device for the aquaculture industry of claim 1, wherein a plurality of fixing pins (2252) are uniformly arranged at the bottom end of the fixing chassis (225), and the fixing pins (2252) are made of stainless steel.

6. The dynamic water quality sampling device for the aquaculture industry according to claim 1, wherein a filter screen (2225) for filtering impurities in a water body is arranged on the periphery of the collecting branch head (2220), and the filter screen (2225) is of a detachable structure.

7. The dynamic water quality sampling device for the aquaculture industry of claim 1, wherein the collection cylinder (220) is provided with a visible probe (226) for monitoring the water bottom water quality sampling condition, the visible probe (226) is electrically connected with the PLC (30), and the outer wall of the visible probe (226) is covered with a transparent protective cover (2260).