Fishpond oxygenation device
Technical Field
The utility model belongs to the technical field of fish culture equipment, and particularly relates to a fishpond oxygenation device.
Background
An oxygen increasing machine is a machine commonly used in fish culture and mainly used for increasing oxygen content in water to ensure that fish in water cannot die due to oxygen deficiency. Through oxygenation, the growth of anaerobic bacteria in water can be inhibited, and the deterioration of pool water is prevented. The existing aerator is usually arranged on a floating plate, the floating plate floats on the water surface, and the impeller is driven by a motor to rotate so as to pump air into water, thereby increasing the oxygen content of the water. However, the existing aerator can only aerate surface water, and the aeration effect is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fishpond oxygen increasing device which can increase oxygen in the deep part of pond water.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the fishpond oxygenation device comprises a shell, wherein an installation chamber and a piston cavity which are arranged up and down are arranged in the shell, and the installation chamber is communicated with the piston cavity;
the shell is provided with an air inlet, a water inlet and a water outlet which are sequentially arranged from top to bottom; the air inlet and the water inlet are communicated with the mounting chamber; the water outlet is communicated with the piston cavity and is spaced from the opening at the upper end of the piston cavity;
a driving device is installed in the shell, an impeller is installed in the installation cavity, and a piston is installed in the piston cavity; the driving device drives the impeller to rotate and drives the piston to reciprocate up and down;
a flow guide channel with openings at the upper end and the lower end is arranged in the piston; the piston is provided with a first one-way valve, and the first one-way valve closes or opens the flow guide channel to enable the oxygen-enriched water to flow in a one-way mode from top to bottom through the flow guide channel.
Further, the driving device comprises a driving motor and a spring;
the driving motor is installed through the shell and is positioned in the installation cavity; a wired stick is arranged in the installation cavity;
the impeller, the wire rod and the output shaft of the driving motor are coaxially arranged, and the impeller and the wire rod are in transmission connection with the output shaft of the driving motor;
the wire rod is connected with the top of the piston through a cable;
the bottom of the piston is connected with the bottom of the shell through a spring, and the spring is located in the piston cavity.
The piston further comprises a first limiting piece and a second limiting piece which are arranged on the inner wall of the shell, wherein the first limiting piece and the second limiting piece are both positioned in the piston cavity and are arranged at intervals from top to bottom;
the first limiting piece is positioned at an opening at the upper end of the piston cavity, and the second limiting piece is positioned above the water outlet;
the piston is located between the first limiting piece and the second limiting piece.
Furthermore, the system also comprises a first waterproof infrared distance measuring sensor and a second waterproof infrared distance measuring sensor;
the first waterproof infrared distance measuring sensor is arranged on the first limiting piece, and the second waterproof infrared distance measuring sensor is arranged on the second limiting piece;
the first waterproof infrared distance measuring sensor and the second waterproof infrared distance measuring sensor are electrically connected with the driving motor.
Furthermore, a water outlet pipe communicated with the water outlet is installed on the shell.
Furthermore, a second one-way valve is installed at the end part, far away from the water outlet, of the water outlet pipe, so that the oxygen-enriched water flows out of the water outlet pipe in one way.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a fishpond oxygenation device which can oxygenate deep water in a pond. Has the advantages of good oxygenation effect, simple structure, easy implementation and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram of the positional relationship of the drive motor, impeller and wire rod of the present invention;
reference numerals: 1-a shell; 101-an air inlet; 102-a water inlet; 103-a water outlet; 2-installing a chamber; 3-a piston cavity; 4-driving the motor; 5-an impeller; 6-a piston; 601-a flow guide channel; 7-a first one-way valve; 8-line stick; 9-a cable; 10-a first limit stop; 11-a second stop; 12-a first waterproof infrared ranging sensor; 13-a second waterproof infrared ranging sensor; 14-a water outlet pipe; 15-a second one-way valve; 16-spring.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in the attached drawings, the fishpond oxygenation device comprises a shell 1, wherein an installation chamber 2 and a piston cavity 3 which are arranged up and down are arranged in the shell 1, and the installation chamber 2 is communicated with the piston cavity 3; the shell 1 is provided with an air inlet 101, a water inlet 102 and a water outlet 103 which are sequentially arranged from top to bottom; the air inlet 101 and the water inlet 102 are communicated with the installation chamber 2; the water outlet 103 is communicated with the piston cavity 3 and is spaced from the opening at the upper end of the piston cavity 3; a driving device is installed in the shell 1, an impeller 5 is installed in the installation chamber 2, and a piston 6 is installed in the piston cavity 3; the driving device drives the impeller 5 to rotate and drives the piston 6 to reciprocate up and down; a flow guide channel 601 with openings at the upper end and the lower end is arranged in the piston 6; the piston 6 is provided with a first one-way valve 7, and the first one-way valve 7 closes or opens the flow guide channel 601 to enable the oxygen-enriched water to flow in a one-way manner from top to bottom through the flow guide channel 601.
The housing 1 is mounted in the pond by a frame so that the air inlet 101 is above the water level line L and the water inlet 102 and outlet 103 are both below the water level line L. The water outlet 103 is positioned in the depth of the pool water, such as: located 1.5m below the water line L. Part of the impeller 5 extends below the water line L. The water in the pond flows into the mounting chamber 2 in the shell 1 through the water inlet 102, the driving device drives the impeller 5 to rotate, and the pond water in the mounting chamber 2 forms oxygen-enriched water under the stirring action of the impeller 5. Oxygen-enriched water is water with high oxygen content. The driving device drives the piston 6 to move upwards in the piston cavity 3, the first one-way valve 7 is opened, and the oxygen-enriched water flows to the space below the piston 6 through the diversion channel 601. The driving device drives the piston 6 to move downwards in the piston cavity 3, the first one-way valve 7 is closed, and the piston 6 presses the oxygen-enriched water in the space below the piston 6 out of the water outlet 103, so that the oxygen content in the deep part of the pool water is increased.
The driving device drives the impeller 5 to rotate and drives the piston 6 to reciprocate up and down, and has various specific embodiments:
the first embodiment is as follows: the driving device comprises a driving motor 4 and a meshed gear rack structure. The driving motor 4 is installed through the shell 1, the gear is installed in the installation chamber 2 through the rotating shaft, the impeller 5, the gear and the output shaft of the driving motor 4 are coaxially arranged, and the impeller 5 and the gear are in transmission connection with the output shaft of the driving motor 4. The top of the piston 6 is provided with a connecting rod which is vertically arranged, and the rack is vertically arranged on the connecting rod. The driving motor 4 drives the impeller 5 to rotate, and simultaneously drives the gear to rotate, and the piston 6 is driven to reciprocate up and down under the coordination of the rack. The conventional drive motor 4 can realize forward and reverse rotation.
Example two: the driving device comprises a driving motor 4 and a spring 16; the driving motor 4 is installed through the shell 1 and is positioned in the installation chamber 2; a wired roller 8 is arranged in the mounting chamber 2; the impeller 5 and the wire rod 8 are coaxially arranged with an output shaft of the driving motor 4, and the impeller 5 and the wire rod 8 are in transmission connection with the output shaft of the driving motor 4; the wire rod 8 is connected with the top of the piston 6 through a cable 9; the bottom of the piston 6 is connected with the bottom of the shell 1 through a spring 16, and the spring 16 is positioned in the piston cavity 3. The drive motor 4 drives the impeller 5 in rotation and simultaneously the drive shaft 8 in rotation, tightening the cable 9 to pull the piston 6 upwards, at which point the spring 16 is stretched. When the piston 6 moves upward for a certain distance, the driving motor 4 stops driving. The spring 16 contracts to drive the piston 6 a distance downwards. The timer of the driving motor 4 can control the working mode of the driving motor 4, namely, the driving of the driving motor 4 is stopped after the set working time, and the driving is automatically recovered after the driving is stopped for a certain time. The driving motor with the timer module is widely applied to the field of automatic control of the motor, and is the prior art.
In order to limit the up-and-down movement of the piston 6, preferably, the piston further includes a first limiting member 10 and a second limiting member 11 disposed on an inner wall of the housing 1, and the first limiting member 10 and the second limiting member 11 are both located in the piston cavity 3 and are arranged at intervals up and down; the first limiting piece 10 is positioned at an opening at the upper end of the piston cavity 3, and the second limiting piece 11 is positioned above the water outlet 103; the piston 6 is located between the first limiting member 10 and the second limiting member 11. It should be ensured that the distance between the first retaining element 10 and the second retaining element 11 is greater than the height of the piston 6. Through setting up first locating part 10 and second locating part 11, avoid piston 6 to rush out piston chamber 3 when upward movement, ensure that the lowest of piston 6 downward movement is located the top of delivery port 103 all the time, improve the reliability of device. The first limiting member 10 and the second limiting member 11 may be block-shaped structures, and the first limiting member 10 and the second limiting member 11 may also be ring-shaped plate structures arranged along the circumferential direction of the piston cavity 3.
Preferably, the system further comprises a first waterproof infrared distance measuring sensor 12 and a second waterproof infrared distance measuring sensor 13; the first waterproof infrared distance measuring sensor 12 is installed on the first limiting member 10, and the second waterproof infrared distance measuring sensor 13 is installed on the second limiting member 11; the first waterproof infrared distance measuring sensor 12 and the second waterproof infrared distance measuring sensor 13 are both electrically connected with the driving motor 4. The first waterproof infrared distance measuring sensor 12 detects the distance between the piston 6 and the first limiting part 10 in real time, and the second waterproof infrared distance measuring sensor 13 detects the distance between the piston 6 and the second limiting part 11 in real time. When the piston 6 moves upwards to the first limiting part 10, the first waterproof infrared distance measuring sensor 12 sends a first detection signal to the driving motor 4, and the driving motor 4 stops lifting the piston 6; when the piston 6 moves downwards to the second limiting part 11, the second waterproof infrared distance measuring sensor 13 sends a second detection signal to the driving motor 4, and the driving motor 4 works to lift the piston 6. Waterproof infrared distance measuring sensors have been widely used in the field of distance measuring technology, and are the prior art.
Preferably, the shell 1 is provided with a water outlet pipe 14 communicated with the water outlet 103. The oxygen-enriched water flows out through the water outlet pipe 14.
Preferably, a second one-way valve 15 is installed at the end of the water outlet pipe 14 far away from the water outlet 103, so that the oxygen-enriched water flows out of the water outlet pipe 14 in one way. By arranging the second one-way valve 15, when the piston 6 moves downwards, the first one-way valve 7 is closed, the second one-way valve 15 is opened, and the oxygen-enriched water flows out from the water outlet pipe 14 in one way; when the piston 6 moves upwards, the second one-way valve 15 is closed, the first one-way valve 7 is opened, and negative pressure is formed in the space below the piston 6, so that more oxygen-enriched water flows to the space below the piston 6 through the flow guide channel 601. The second one-way valve 15 is closed and the pond water is prevented from flowing back into the space below the piston 6 through the water outlet pipe 14.
The above is a specific implementation manner of the utility model, and it can be seen from the implementation process that the utility model provides a fishpond oxygenation device which can oxygenate deep in the pond water. Has the advantages of good oxygenation effect, simple structure, easy implementation and the like.