A kind of medicine delivery device for water quality treatment

Abstract

A medicine delivery device for water quality treatment, characterized in that it includes a floating part, a delivery bucket fixedly connected to the floating part, and an electrical cover, a cam is fixed on the output shaft of a motor, a medicine chamber and a piston hole are arranged in the delivery bucket, a piston is arranged in the piston hole, a piston is arranged on the top of the piston rod, a rotating wheel is arranged on the top of the piston rod, and a piston spring is sleeved on the piston rod; a sealing plug is installed at the lower part of the piston hole, the piston hole is connected to a water inlet pipe connected to an external water source at a position between the sealing plug and the piston, and is provided with a medicine discharge hole connected to the medicine chamber; a guide groove is arranged on the side wall of the piston hole below the sealing plug, and a notch is arranged on the side wall of the sealing plug; the motor intermittently drives the piston rod to move up and down through the cam, so that the piston hole sucks liquid from the water inlet pipe and the medicine discharge hole, and moves the sealing plug downward, so that the guide groove is connected to the piston hole through the sealing plug notch, and the sucked liquid is discharged out of the medicine chamber.

Description

Technical Field

[0001] The invention relates to water quality treatment technology, in particular to a drug delivery device for water quality treatment. Background Art

[0002] In some waters where the water quality is polluted, it is generally necessary to add corresponding chemicals to adjust the water quality and replenish the nutrients in the water. For example, in some acidic or alkaline waters, it is generally necessary to add weak alkali or weak acid to adjust the pH, thereby providing conditions for pollution control. Or in some waters where the dissolved oxygen is seriously insufficient, it is necessary to add chemical agents that increase the dissolved oxygen, thereby increasing the dissolved oxygen in the water, so that the aquatic organisms can survive and reproduce, thereby achieving the purpose of control.

[0003] There are two main ways to put the agent in the water. One is manual placement, which has too many defects, so the method of putting it in the water by equipment has emerged. The other is equipment placement, which has the main defect of putting concentrated agents in one go, resulting in a high concentration of agents in the local area of ​​the water, which will have the opposite effect and cause secondary pollution of the water. Summary of the invention

[0004] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a drug delivery device for water quality treatment, which can absorb external water during delivery, thereby diluting the drug to prevent the local drug concentration from being too high.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A medicine delivery device for water quality treatment, characterized in that it comprises a floating part, a delivery bucket fixedly connected to the floating part, and an electrical cover, wherein the electrical cover is fixedly mounted on the top of the delivery bucket, and a motor is installed in the electrical cover, and a cam is fixed on the output shaft of the motor;

[0007] The delivery barrel is provided with a medicine chamber and a piston hole, a filling port is provided on the top of the medicine chamber, the piston hole is located at the center of the medicine chamber and penetrates the medicine chamber, a piston is provided in the piston hole, a piston rod is provided on the top of the piston, a rotating wheel matched with a cam is provided on the top of the piston rod, a piston spring is sleeved on the piston rod, and the piston spring is located between a limiting ring fixed to the inner wall of the piston hole and the piston;

[0008] The piston hole is sealed at the bottom and is axially slidably installed with a sealing plug, the piston hole is connected to a water inlet pipe connected to an external water source at a position between the sealing plug and the piston, and is provided with a medicine discharge hole connected to the medicine cavity; a guide groove is provided on the side wall of the piston hole below the sealing plug, and the height of the guide groove is greater than the height of the sealing plug;

[0009] The motor drives the piston rod to move up and down intermittently through the cam, so that the piston hole sucks liquid from the water inlet pipe and the medicine discharge hole, and the sealing plug overcomes the spring force and moves downward until the sealing plug is lower than the guide groove, and the liquid in the piston hole is discharged from the guide groove outside the medicine cavity.

[0010] Preferably, the water inlet pipe is connected in series with the second one-way valve and then connected to an external water source; the medicine discharge hole is connected to the outlet of the first one-way valve, and the inlet of the first one-way valve is connected to the liquid medicine stored in the medicine cavity.

[0011] Preferably, the bottom of the sealing plug is rotatably equipped with a first rotating shaft, the bottom of the piston hole is provided with a second fixing ring, the first rotating sleeve is provided with a sealing spring, the sealing spring is located between the sealing plug and the second fixing ring, the outer wall of the first rotating shaft is provided with a first spiral groove, and the second fixing ring is provided with a first spiral protrusion that cooperates with the first spiral groove; the first rotating shaft passes through the outside of the second fixing ring, and its bottom end is assembled with the first impeller.

[0012] Preferably, a mixing drum is installed outside the first impeller, the mixing drum is used to protect the first impeller, and the mixing drum is fixed at the bottom of the delivery barrel.

[0013] Preferably, a ribbon orifice plate is fixed in the medicine cavity below the filling port, the ribbon orifice plate and the top surface of the medicine cavity are respectively connected and fixed to the top of the ribbon, the bottom of the ribbon is an open end, and the ribbon is made of flexible material.

[0014] Preferably, a second impeller is installed in the medicine cavity and at the inlet of the first one-way valve, the second impeller is installed on one end of the second rotating shaft, the other end of the second rotating shaft is inserted into the rotating hole of the rotating shell and fixedly assembled with the rotating disk, the rotating disk and the rotating hole can rotate in a circular manner, move axially, and be sealed and assembled; the second rotating shaft is provided with a second spiral groove distributed along its axial direction, the rotating shell is provided with a second spiral protrusion, the second spiral groove is engaged with the second spiral protrusion, and can be slidably assembled;

[0015] A return spring is mounted on the portion of the second rotating shaft between the rotating disk and the rotating hole; a second airbag is arranged between the rotating disk and the bottom of the rotating hole, and the second airbag is connected to the inside of the first airbag through an air pipe; a first fixing ring is arranged in the piston hole, and the first fixing ring is located above the piston, the piston spring is located between the limit ring and the first fixing ring, and the first airbag is mounted on the outside of the piston rod and is located between the bottom surface of the first fixing ring and the top surface of the piston.

[0016] Preferably, a detection chamber is provided at the bottom of the medicine chamber, and a detection frame is also installed at the top of the detection chamber. A through-limiting groove is provided on the detection frame, and a connecting column that can slide axially is provided in the limiting groove. A floating plate that can float in the medicine in the medicine chamber is provided at the top of the connecting column; a first magnet is installed at the bottom of the connecting column, a detection cylinder is installed in the detection chamber, and a second magnet block is installed axially and slidably in the detection cylinder, and a detection spring is provided between the second magnet block and the bottom of the detection chamber, and a micro switch is also installed at the bottom of the detection chamber, and the trigger end of the micro switch is directly opposite to the second magnet, and the signal end of the micro switch is connected to the signal end of the PLC for communication. The beneficial effects of the present invention are: the present invention has a simple structure, and the piston rod is intermittently driven by a motor and a cam to realize the output of the medicine, the inhalation of the dilution water, the dilution of the medicine, and the discharge of the diluted medicine solution, and the integration is high, so the cost is relatively low and it is more practical. In addition, the present invention can quickly push the medicine into the target water body by stirring the first stirring wheel when discharging the medicine, thereby preventing the local medicine concentration in the water body from being too high and causing pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 yes Figure 1 Enlarged view of F1 in the middle;

[0019] Figure 3 yes Figure 1 Enlarged view of F2 in the middle;

[0020] Figure 4 yes Figure 1 Enlarged image at F3 in the middle;

[0021] Figure 5 yes Figure 1 Enlarged view of F4 in the middle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] See also Figure 1-Figure 5A drug delivery device for water quality treatment includes a floating member 110, which floats on the water surface. The upper and lower sides of the floating member 110 are clamped by a clamping plate 120 respectively, one of which is fixed on a delivery bucket 140, and the other clamping plate 120 is fixed on an electrical cover 130. The electrical cover 130 is fixed on the top of the delivery bucket 140, and the interior of the electrical cover 130 is a hollow electrical cavity 131. An electrical box 410 and a motor 420 are installed in the electrical cavity 131. A PLC is installed in the electrical box 410. A cam 220 is fixed on the output shaft 421 of the motor 420. When the motor 420 is energized, it can drive the cam to rotate in a circle, thereby intermittently pressing down the piston rod 610. The top of the piston rod 610 is assembled to rotate in a circle with the rotating wheel 230 through the first shaft 510 . The rotating wheel 230 can reduce the friction between the piston rod 610 and the cam, thereby preventing the cam and the piston rod 610 from excessive wear.

[0025] The delivery barrel 140 is provided with a medicine chamber 141, a detection chamber 147, a piston hole 146, a first fixing ring 145, a second fixing ring 142, a filling port 143, a cover 710 matched with the filling port, and a medicine discharge hole 144. The first fixing ring 145 and the second fixing ring 142 are fixed in the piston hole 146 respectively, and the medicine discharge hole 144 connects the bottom of the medicine chamber 141 with the piston hole 146 located between the first fixing ring 145 and the second fixing ring 142;

[0026] The piston 630 is sealed and axially slidably assembled in the piston hole 146 between the first fixing ring 145 and the second fixing ring 142. The top of the piston 630 is assembled and fixed with one end of the piston rod 610. The other end of the piston rod 610 passes through the first fixing ring 145. A limit ring 611 is fixed on the portion of the piston rod 610 between the first fixing ring 145 and the rotating wheel 230. A piston spring 620 is sleeved on the portion of the piston rod 610 between the limit ring 611 and the first fixing ring 145. The piston spring 620 is used to generate an axial thrust for the piston rod to push the cam.

[0027] The piston hole 146 located between the first fixing ring 145 and the second fixing ring 142 is also connected to one end of the water inlet pipe 440. The water inlet pipe 440 is connected in series with the second one-way valve and then connected to an external water source, thereby sucking external water into the piston cavity;

[0028] The medicine discharge hole 144 is communicated with the outlet of the first one-way valve 430, the inlet of the first one-way valve is communicated with the liquid medicine stored in the medicine cavity 141, and the top of the medicine cavity 141 is communicated with the filling port 143, so that the medicine can be filled through the filling port 143;

[0029] A ribbon orifice plate 720 is fixed below the filling port in the medicine chamber 141. The ribbon orifice plate 720 and the top surface of the medicine chamber 141 are respectively connected and fixed to the top of the ribbon 210. The bottom of the ribbon 210 is an open end. The ribbon 210 is made of a flexible material, such as a nylon cloth belt. This design mainly utilizes the shaking of the entire device when it is suspended on the water surface, which causes the ribbon and the medicine to move relative to each other, thereby stirring the medicine to prevent the medicine from being layered or precipitated.

[0030] A second impeller 250 is installed in the medicine cavity 141 and at the inlet of the first one-way valve 430. The second impeller 250 is installed on one end of the second rotating shaft 530. The other end of the second rotating shaft 530 is inserted into the rotating hole 841 of the rotating shell 840 and is fixedly assembled with the rotating disk 860. The rotating disk 860 and the rotating hole 841 can rotate in a circular manner, move in an axial direction, and be sealed. The second rotating shaft 530 is provided with a second spiral groove 531 distributed along its axial direction. The second spiral groove 531 is engaged with the second spiral protrusion 842 and can be slidably assembled, so that when the second rotating shaft 530 moves in the axial direction, the second spiral groove 531 cooperates with the second spiral protrusion 842 to drive the second rotating shaft 530 to rotate in a circular manner.

[0031] The second spiral protrusion 842 is arranged on the rotating shell 840, and the part of the second rotating shaft 530 located between the rotating disk 860 and the rotating hole 841 is covered with a return spring 850, and the return spring 850 is used to generate an elastic force for the rotating disk 860 to push the second airbag 820, and the rotating disk 860 is tightly attached to one side of the second airbag 820, and the other side of the second airbag 820 is fixed on the inner wall of the rotating hole 841, and the interior of the second airbag 820 is connected to the interior of the first airbag 810 through the air pipe 830, one end face of the first airbag 810 is fixed to the bottom surface of the first fixing ring 145, and the other end face is tightly attached to the top surface of the piston 630, and the first airbag 810 is mounted on the outside of the piston rod 610; the first airbag 810 and the second airbag 820 have high elasticity and are respectively filled with gas. In this embodiment, the first airbag 810 and the second airbag 820 have 1.2-1.5 atmospheres of gas.

[0032] When the piston moves axially upward, it squeezes the first airbag, so that the gas in the first airbag is squeezed into the second airbag 820 through the air pipe 830. The second airbag expands and pushes the rotating disk 860 to overcome the elastic force of the reset spring and rotate toward the second impeller 250, thereby driving the second rotating shaft 530 to move axially. When the second rotating shaft moves axially, it will rotate synchronously in a circle through the second spiral groove 531 and the second spiral protrusion 842, so that the second impeller 250 rotates and stirs the medicine, so that the medicine entering the one-way valve is stirred and made more uniform. When the piston moves axially downward, the squeezing force of the first airbag disappears. At this time, the reset spring drives the rotating disk 860 to squeeze the second airbag, so that the first and second airbags are reset. This reciprocating process realizes the intermittent rotation of the second impeller.

[0033] A sealing plug 640 is installed on the piston hole 146 between the piston 630 and the second fixing ring 142 in a sealed and axially slidable manner. The sealing plug 640 is assembled with one end of the first rotating shaft 520 to be rotatable in a circle. The other end of the first rotating shaft 520 passes through the sealing spring 760 and the second fixing ring 142 and is assembled with the limit nut 530 and the first impeller 240. A first spiral groove 521 is provided on the first rotating shaft 520. The first spiral groove 521 is engaged with and slidably assembled with the first spiral protrusion 1421, and the first spiral protrusion 1421 is fixed on the second fixing ring 142. When the first rotating shaft 520 moves axially, the first spiral protrusion 1421 cooperates with the first spiral groove 521 to drive the first rotating shaft 520 to rotate in a circle, that is, the first impeller rotates in a circle to stir the target water body, so that the discharged agent is quickly dissolved in the water body and dispersed by stirring, which can prevent the local concentration of the agent from being too high and affecting the treatment. The limiting nut 530 is used to limit the maximum upward displacement of the first rotating shaft 520 .

[0034] A mixing drum 150 is installed outside the first impeller, and the mixing drum 150 is used to protect the first impeller, and the mixing drum is fixed to the bottom of the delivery barrel 140. A guide groove 148 is provided on the side wall of the piston hole below the sealing plug, and the height of the guide groove is greater than the height of the sealing plug. The guide groove is used to connect the piston holes on both sides of the sealing plug (when the sealing plug overcomes the spring force and moves downward until the sealing plug is shorter than the guide groove, the liquid in the piston hole is discharged from the medicine cavity through the guide groove).

[0035] When in use, the motor starts, thereby driving the piston to move down intermittently. The piston moves up continuously under the action of the piston spring, thereby causing the piston to move back and forth. In the initial state, the piston is at the lowest position. Figure 1 The piston is shown at the highest position. When the piston moves upward, negative pressure is generated in the piston hole, thereby pumping the external water and the medicine in the medicine chamber 141 into the piston hole. The piston gradually reaches Figure 1state, and then the cam drives the piston to move downward, thereby pushing the sealing plug downward through the water in the piston hole until the sealing plug is located at the guide groove. At this time, the water in the piston cavity is discharged through the guide groove to the water body at the bottom of the piston hole. When the sealing plug moves downward, the first rotating shaft rotates to make the first impeller rotate and stir so that the medicine is quickly dissolved in the water body to prevent the local concentration from being too high; when the piston moves up again, the sealing spring drives the sealing plug to move up and reset, and the first impeller reverses to stir the water body again, and so on.

[0036] A detection frame 920 is also installed at the bottom of the medicine cavity 141, corresponding to the detection cavity 147. The detection frame 920 is provided with a through-limiting groove 921. The limiting pin 930 passes through the limiting groove 921 and is assembled and fixed with the connecting column 731. The connecting column 731 is fixed to the bottom of the floating plate 730 and the connecting column 731 can slide axially with the detection frame 920 through the limiting pin; the floating plate 730 is suspended in the medicine;

[0037] A first magnet 741 is installed at the bottom of the connecting column 731; a detection cylinder 910 is installed in the detection cavity 147, and the detection cylinder 910 has a hollow detection slide hole 911 inside. A second magnet block 742 is installed in the detection slide hole 911 so as to be axially slidable. The second magnet block 742 is fixed to one end of the detection spring 750, and the other end of the detection spring 750 is assembled and fixed to the bottom of the detection cavity 147. A micro switch 450 is also installed at the corresponding position of the detection slide hole 911 and the bottom of the detection cavity 147. The trigger end of the micro switch 450 is directly opposite to the second magnet 742, and the signal end of the micro switch is connected to the signal end of the PLC. When the second magnet moves down to the lowest point, the micro switch can be triggered. At this time, the PLC determines that the liquid level is low and needs to be supplemented with medicine. The first magnet and the second magnet are made of permanent magnets and their same poles are opposite to each other to generate repulsive force. When the liquid level drops below the floating plate, the floating plate moves down under the action of gravity, thereby driving the magnet to overcome the elastic force of the detection spring and move down until the micro switch is triggered.

[0038] Preferably, a battery is installed in the electrical cavity to supply power to the electrical equipment.

[0039] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0040] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A method for delivering a drug for water quality treatment, comprising a drug delivery device, characterized in that: The medicine delivery device comprises a floating member (110), a delivery bucket (140) fixedly connected to the floating member (110), and an electrical cover (130); the electrical cover (130) is fixedly mounted on the top of the delivery bucket (140), and a motor (420) is installed in the electrical cover (130); a cam (220) is fixed on the output shaft of the motor (420); The delivery barrel (140) is provided with a medicine chamber (141) and a piston hole (146); a filling port (143) is provided at the top of the medicine chamber (141); the piston hole (146) is located at the center of the medicine chamber (141) and penetrates the medicine chamber (141); a piston (630) is provided in the piston hole (146); a piston rod (610) is provided at the top of the piston (630); a rotating wheel (230) matched with a cam (220) is provided at the top of the piston rod (610); a piston spring (620) is sleeved on the piston rod (610); the piston spring (620) is located between a limiting ring (611) fixed to the inner wall of the piston hole (146) and the piston (630); The piston hole (146) is sealed at the bottom and a sealing plug is installed axially slidably. The piston hole (146) is connected to a water inlet pipe connected to an external water source at a position between the sealing plug and the piston, and is provided with a medicine discharge hole connected to the medicine cavity (141). A guide groove is provided on the side wall of the piston hole (146) below the sealing plug, and the height of the guide groove is greater than the height of the sealing plug. The motor (420) drives the piston rod (610) to move up and down intermittently via the cam (220), so that the piston hole (146) absorbs liquid from the water inlet pipe and the medicine discharge hole, and the sealing plug overcomes the spring force and moves downward until the sealing plug is lower than the guide groove, and the liquid in the piston hole (146) is discharged from the guide groove to the outside of the medicine cavity (141); The bottom of the sealing plug is rotatably mounted with a first rotating shaft, the bottom of the piston hole (146) is provided with a second fixing ring (142), the first rotating shaft sleeve is provided with a sealing spring, the sealing spring is located between the sealing plug and the second fixing ring (142), the outer wall of the first rotating shaft is provided with a first spiral groove, and the second fixing ring (142) is provided with a first spiral protrusion that matches the first spiral groove; the first rotating shaft passes through the outside of the second fixing ring (142), and the bottom end thereof is assembled with the first impeller; A mixing drum is installed outside the first impeller, the mixing drum is used to protect the first impeller, and the mixing drum is fixed to the bottom of the delivery barrel (140); The water inlet pipe is connected in series with the second one-way valve and then connected to an external water source; the medicine discharge hole is connected to the outlet of the first one-way valve, and the inlet of the first one-way valve is connected to the liquid medicine stored in the medicine cavity (141); A second impeller is installed in the medicine cavity (141) and at the inlet of the first one-way valve. The second impeller is installed on one end of a second rotating shaft. The other end of the second rotating shaft is inserted into the rotating hole of the rotating shell and fixedly assembled with the rotating disk. The rotating disk and the rotating hole can rotate in a circular manner, move axially, and be sealed. The second rotating shaft is provided with a second spiral groove distributed along its axial direction. The rotating shell is provided with a second spiral protrusion. The second spiral groove and the second spiral protrusion are engaged and can be slidably assembled. A return spring is sleeved on the portion of the second rotating shaft located between the rotating disk and the rotating hole; a second airbag is provided between the rotating disk and the bottom of the rotating hole, and the second airbag is connected to the inside of the first airbag through an air pipe; a first fixing ring (145) is provided in the piston hole (146), the first fixing ring (145) is located above the piston, the piston spring is located between the limiting ring and the first fixing ring (145), and the first airbag is sleeved on the outside of the piston rod and is located between the bottom surface of the first fixing ring (145) and the top surface of the piston; When in use, the motor starts, thereby driving the piston to move downward intermittently, and the piston continuously moves upward under the action of the piston spring, so that the piston moves back and forth. In the initial state, the piston is at the lowest point; when the piston moves upward, negative pressure is generated in the piston hole, thereby pumping external water and medicine in the medicine cavity into the piston hole, and then the cam drives the piston to move downward, thereby pushing the sealing plug downward through the water in the piston hole until the sealing plug is located at the guide groove. At this time, the water in the piston cavity is discharged into the water body at the bottom of the piston hole through the guide groove; and when the sealing plug moves downward, the first rotating shaft will rotate to make the first impeller rotate and stir so that the medicine can be quickly dissolved in the water body to prevent local concentration from being too high; when the piston moves upward again, the sealing spring drives the sealing plug to move upward and reset, and the first impeller reverses to stir the water body again, and so on.

2. A method for administering a drug for water quality management as claimed in claim 1, characterized in that: A ribbon orifice plate is fixed inside the medicine cavity (141) below the filling port (143); the ribbon orifice plate and the top surface of the medicine cavity (141) are respectively connected and fixed to the top of the ribbon; the bottom of the ribbon is an open end; and the ribbon is made of a flexible material.

3. A method for administering a drug for water quality management as claimed in claim 1, characterized in that: A detection cavity is provided at the bottom of the medicine cavity (141), and a detection frame is also installed on the top of the detection cavity. A through-limiting groove is provided on the detection frame, and an axially slidable connecting column is provided in the limit groove. A floating plate that can float in the medicine of the medicine cavity (141) is provided on the top of the connecting column; a first magnet is installed at the bottom of the connecting column, and a detection cylinder is installed in the detection cavity. A second magnet block is axially slidably installed in the detection cylinder, and a detection spring is provided between the second magnet block and the bottom of the detection cavity. A micro switch is also installed at the bottom of the detection cavity, and a trigger end of the micro switch faces the second magnet, and a signal end of the micro switch is communicatively connected to a signal end of the PLC.

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