CN220511954U - Testing device for preference flow velocity of stream-like fish - Google Patents

Abstract

The utility model relates to the technical field of fish culture, in particular to a device for testing preferential flow rate of stream-type fishes, which comprises a water tank, wherein the bottom end of the water tank is provided with a water pump, the water outlet end of the water pump is connected with a water pipe.

Description

Testing device for preference flow velocity of stream-like fish

Technical Field

The utility model relates to the technical field of fish culture, in particular to a device for testing preference flow velocity of stream-like fish.

Background

The fish in the flowing water evolves different swimming capacities for coping with the impact of the water, meanwhile, the difference of the abundance of bait resources in different water flows and the difference of the pressure of water bodies on fish bodies also affect the physiology and life of the fish, so that the selection preference of different fish on specific water flow speeds directly affects the predation, enemy avoidance and propagation effects of the fish, the fish is very important for survival and propagation, and the research of the preference flow rate of the fish is very important for fish culture.

The utility model patent such as publication No. CN216979045U provides a test device for testing preference flow velocity of fish, which comprises a transparent water tank, wherein a wave generator, a guide plate, a flow velocity gradient decreasing water channel and a water quality monitor probe are sequentially arranged in the transparent water tank; the flow velocity gradient decreasing water channel is a double-layer organic glass circular tube, and the double-layer organic glass circular tube is provided with overflow holes which are circumferentially distributed at equal intervals along the axial direction of the double-layer organic glass circular tube, and a part of water flows out of the overflow holes when the water flows through the flow velocity gradient decreasing water channel so as to realize flow velocity decreasing; the double-layer organic glass round tube consists of a water channel inner tube and a water channel outer tube which are tightly nested and can rotate relatively, and the opening quantity of overflow holes and the descending amplitude of flow velocity are controlled by rotating the water channel outer tube.

According to the test device for testing the preference flow rate of the fish, when the preference flow rate test is carried out on the fish, only one fish can be tested at a time, and the problem that the test result is inaccurate is easily caused by large difference of the far and near flow rates.

Disclosure of Invention

The utility model aims to solve or at least alleviate the problem that the existing test device for testing the preference flow rate of fish can only test one fish at a time when the preference flow rate is tested on the fish, and the inaccurate test result is easy to cause.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a testing arrangement of stream nature fish preference velocity of flow, includes the water tank, the water tank bottom is equipped with the water pump, water pump play water end fixedly connected with water pipe, a plurality of holes have been seted up to one side that water tank lateral wall was kept away from to the vertical part of water pipe, the inboard lateral wall fixedly connected with mounting panel in water tank top, surface mounting has the controller on the mounting panel, the controller with water pump electric connection, the controller top is equipped with the governing valve.

Through adopting above technical scheme, when the user needs to carry out preference velocity of flow test to fish, through starting the water pump and discharging water from the hole on the water pipe, make the water in the water tank flow at the uniform velocity, put into the same device water tank of multiunit again with the shoal of fish, according to rotating the governing valve, change the water pump power of drawing water, change the water velocity of flow, observe the growth condition of comparison shoal of fish to can test out the preference velocity of flow of fish

Optionally, a filter layer is arranged in the water tank, the height of the filter layer is equal to that of the water tank, and the bottom end of the filter layer is fixedly connected with the bottom end of the water tank.

Optionally, the water pipe height is set according to the depth of water in the water tank.

Optionally, the water pump wire junction cover is equipped with the insulating tube, the one end that the water pump was kept away from to the insulating tube runs through the mounting panel, the controller with the water pump connecting wire is established inside the insulating tube.

Optionally, a digital thermometer is installed at one end of the upper surface of the mounting plate, and the temperature measuring end of the digital thermometer is immersed in water flow of the water tank.

Optionally, the holes are provided with a filter screen.

Optionally, the water tank bottom lateral wall is connected with the outlet pipe in a penetrating way, the outlet pipe top is equipped with the rotary valve.

Compared with the prior art, the utility model has the beneficial effects that: this application sets up through cooperation among structures such as water pump, water pipe and controller, when the user needs to carry out preference velocity of flow test to fish, through the hole discharge that starts the water pump with water from the water pipe, make the water in the water tank circulate, put into the water tank with the fish bowl again, according to nearer rivers more urgent apart from the hole, more water flow is slower apart from the hole, when the fish bowl is concentrated in the water flow department that is urgent or slowest, can improve or reduce the velocity of flow of rivers through rotating the governing valve, the power of drawing water of change water pump, observe the living place of fish bowl, thereby can test out fish preference velocity of flow, when having avoided carrying out preference velocity of flow test to fish, once only can test one fish, lead to the inaccurate problem of test result easily.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic plan view of the present utility model;

fig. 3 is a schematic view of a water pipe structure according to the present utility model.

In the figure: 1. a water tank; 2. a water pump; 3. a U-shaped water pipe; 4. a hole; 5. a controller; 6. a regulating valve; 7. a filter layer; 8. an insulating tube; 9. a digital display thermometer; 10. a water outlet pipe; 11. a rotary valve; 12. a mounting plate; 13-aerator.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1-3, a testing device for preference flow rate of a stream-like fish comprises a water tank 1, a water pump 2 is arranged at the bottom end of the water tank 1, a water pipe 3 is fixedly connected to the water outlet end of the water pump 2, a plurality of holes 4 are formed in one side, far away from the side wall of the water tank 1, of the water pipe 3, a mounting plate 12 is fixedly connected to the inner side wall of the top end of the water tank 1, a controller 5 is mounted on the upper surface of the mounting plate 12, the controller 5 is electrically connected with the water pump 2, a regulating valve 6 is arranged at the top end of the controller 5, when a user needs to test preference flow rate of the fish, the water pump 2 is started to discharge water from the holes 4 on the water pipe 3, an aerator 13 is arranged near the water pump 2, water in the water tank 1 circulates, fish is put into the water tank 1 again, the fish is more rapidly moved away from the holes 4 according to the closer water to the holes 4, the water is more slowly moved away from the holes 4, when the fish is concentrated at the place of the highest or slowest water flow, the water pumping power of the water pump 2 can be changed through rotating the regulating valve 6, the water pumping power of the water pump 2 is increased or lowered, and the place of the fish is observed, so that preference flow rate of the fish can be tested.

Specifically, referring to fig. 2, a dense net 7 is arranged in the water tank 1, the height of the dense net 7 is equal to that of the water tank 1, the bottom end of the filter layer 7 is fixedly connected with the bottom end of the water tank 1, fish can be prevented from entering the water pump 2 through the dense net 7, fish can be kept to swim in relatively uniform water, and feed can be effectively prevented from entering the water pump to hinder fish ingestion.

Specifically, referring to fig. 3, the height of the water pipe 3 is set according to the depth of water in the water tank 1, and water outlets on two sides ensure that water can flow relatively at a constant speed, so that the phenomenon that water flow on the upper layer is calm due to too short water pipe 3 is avoided.

Specifically, referring to fig. 2, an insulating tube 8 is sleeved at the connection position of the electric wire of the water pump 2, one end of the insulating tube 8 far away from the water pump 2 penetrates through the mounting plate 12, and the controller 5 and the water pump 2 are connected inside the insulating tube 8, so that the temperature of line damage caused by direct contact of the connecting wire and water is avoided.

Specifically, referring to fig. 2, one end of the upper surface of the mounting plate 12 is provided with a digital thermometer (model XMD-200) 9, and the temperature measuring end of the digital thermometer 9 is immersed in the water flow in the water tank 1, so that the state change of the fish shoal caused by too high or too low water temperature is avoided by observing the water temperature displayed on the digital thermometer 9.

Specifically, referring to fig. 3, the holes 4 are provided with a filter screen, so that the problem of blockage caused by drilling the water pipe 3 when the fish school moves is avoided.

Specifically, referring to fig. 1, a water outlet pipe 8 is connected to a side wall of a bottom end of a water tank 1 in a penetrating manner, a rotary valve 11 is arranged at a top end of the water outlet pipe 8, and net-shaped small holes are arranged at a bottom of the water outlet pipe, so that water in the water tank can be continuously discharged, and an effect of circularly purifying water quality is achieved.

When the water in the water tank 1 needs to be replaced, the water in the water tank 1 can be discharged by opening the rotary valve 11. Specifically, referring to fig. 2, the aeration balloon is connected with the inner side of the dense net 7 to increase dissolved oxygen in the water body, so as to achieve the living condition of fish, and meanwhile, the rising gas effectively prevents the feed from flowing into the dense net, so that the fish cannot ingest.

Specifically, referring to fig. 2, the water inlet is connected with a purified water source, and the water flow can be regulated through a valve, so that the volume of the water body in the water tank can be effectively controlled.

Working principle: when the fish-farming water tank is used, water is discharged from the holes 4 on the water pipe 3 through the water pump 2, water in the water tank 1 flows, fish shoal is put into the water tank 1, water flows more rapidly near the holes 4 and more slowly far the holes 4, when the fish shoal is concentrated at the sharpest or slowest water flow, the water pumping power of the water pump 2 can be changed through the rotation regulating valve 6, the water flow speed of the water flow is improved or reduced, and the living place of the fish shoal is observed, so that the preference flow speed of fish can be tested, the problem that when the preference flow speed test is carried out on fish, only one fish can be tested at a time, the difference between the flow speed and the flow speed is larger in a far-near section, and the inaccurate test result is easily caused is avoided.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides a testing arrangement of stream nature fish preference velocity of flow, includes water tank (1), its characterized in that: the water tank is characterized in that a water pump (2) is arranged at the bottom end of the water tank (1), a water pipe (3) is fixedly connected to the water outlet end of the water pump (2), a plurality of holes (4) are formed in one side, far away from the side wall of the water tank (1), of the vertical portion of the water pipe (3), a mounting plate (12) is fixedly connected to the inner side wall of the top end of the water tank (1), a controller (5) is mounted on the upper surface of the mounting plate (12), the controller (5) is electrically connected with the water pump (2), and a regulating valve (6) is arranged at the top end of the controller (5).

2. A device for testing preferred flow rates of streaming fish as claimed in claim 1 wherein: the water tank (1) is internally provided with a filter layer (7), the height of the filter layer (7) is equal to that of the water tank (1), and the bottom end of the filter layer (7) is fixedly connected with the bottom end of the water tank (1).

3. A device for testing preferred flow rates of streaming fish as claimed in claim 1 wherein: the height of the water pipe (3) is set according to the depth of water in the water tank (1).

4. A device for testing preferred flow rates of streaming fish as claimed in claim 1 wherein: the electric wire connection part of the water pump (2) is sleeved with an insulating tube (8), one end, far away from the water pump (2), of the insulating tube (8) penetrates through the mounting plate (12), and the connecting wire of the controller (5) and the water pump (2) is arranged inside the insulating tube (8).

5. A device for testing preferred flow rates of streaming fish as claimed in claim 1 wherein: one end of the upper surface of the mounting plate (12) is provided with a digital thermometer (9), and the temperature measuring end of the digital thermometer (9) is immersed in water flow of the water tank (1).

6. A device for testing preferred flow rates of streaming fish as claimed in claim 1 wherein: the holes (4) are provided with filter screens.

7. A device for testing preferred flow rates of streaming fish as claimed in claim 1 wherein: the side wall of the bottom end of the water tank (1) is connected with a water outlet pipe (10) in a penetrating way, and a rotary valve (11) is arranged at the top end of the water outlet pipe (10).