CN110980839A - A medicament dispensing device for quality of water is administered - Google Patents
A medicament dispensing device for quality of water is administered Download PDFInfo
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- CN110980839A CN110980839A CN201911379060.8A CN201911379060A CN110980839A CN 110980839 A CN110980839 A CN 110980839A CN 201911379060 A CN201911379060 A CN 201911379060A CN 110980839 A CN110980839 A CN 110980839A
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- 239000003814 drug Substances 0.000 title claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000007667 floating Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 30
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 6
- 238000003756 stirring Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000012377 drug delivery Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Reciprocating Pumps (AREA)
Abstract
A medicament dispensing device for water quality treatment is characterized by comprising a floating piece, a dispensing barrel fixedly connected with the floating piece and an electric cover, wherein a cam is fixed on an output shaft of a motor, a medicament cavity and a piston hole are arranged in the dispensing barrel, a piston is arranged in the piston hole, a piston rod is arranged at the top of the piston rod, a rotating wheel is arranged at the top of the piston rod, and a piston spring is sleeved on the piston rod; the lower part of the piston hole is provided with a sealing plug, the piston hole is communicated with a water inlet pipe connected with an external water source at the position between the sealing plug and the piston, and is provided with a medicine discharging hole communicated with the medicine cavity; a diversion trench 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 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, the sealing plug moves downwards, the flow guide groove is communicated with the piston hole through the opening of the sealing plug, and the sucked liquid is discharged out of the medicine cavity.
Description
Technical Field
The invention relates to a water quality treatment technology, in particular to a medicament feeding device for water quality treatment.
Background
In some water areas with polluted water quality, corresponding medicaments are generally required to be put in to adjust the water quality and supplement nutrients in the water quality. For example, weak base and weak acid are generally needed to be put into some water areas with acid bias and alkali bias to adjust the pH value, thereby providing conditions for pollution treatment. Or for a water area with serious insufficient dissolved oxygen, chemical agents for increasing the dissolved oxygen are required to be added, so that the dissolved oxygen in the water is improved, organisms in the water survive and breed, and the purpose of treatment is achieved.
There are two main modes of drug delivery, one is manual, which is too deficient and therefore delivery through equipment has occurred. The other is equipment administration, which has the main defect that concentrated medicament is administered at one time, so that the local medicament concentration in a water area is higher, and the opposite effect is achieved, and the secondary pollution of the water area is caused.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a drug delivery device for water quality control, which can inhale external water during delivery to dilute the drug, thereby preventing local drug concentration from being high.
In order to achieve the purpose, the invention provides the following technical scheme:
a medicament feeding device for water quality treatment is characterized by comprising a floating piece, a feeding barrel fixedly connected with the floating piece and an electric cover, wherein the electric cover is sleeved and fixed at the top of the feeding barrel, a motor is installed in the electric cover, and a cam is fixed on an output shaft of the motor;
a medicine cavity and a piston hole are arranged in the putting barrel, the top of the medicine cavity is provided with an injection port, the piston hole is positioned in the center of the medicine cavity and penetrates through the medicine cavity, a piston is arranged in the piston hole, the top of the piston is provided with a piston rod, the top of the piston rod is provided with a rotating wheel matched with the cam, a piston spring is sleeved on the piston rod, and the piston spring is positioned between a limiting ring fixedly connected with the inner wall of the piston hole and the piston;
the lower part of the piston hole is hermetically and axially slidably provided with a sealing plug, the piston hole is communicated with a water inlet pipe connected with an external water source at the position between the sealing plug and the piston, and is provided with a medicine discharge hole communicated with the medicine cavity; a diversion trench is arranged on the side wall of the piston hole below the sealing plug, and the height of the diversion trench is greater than that 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, the sealing plug overcomes the spring force to move downwards until the sealing plug is lower than the diversion trench, and the liquid in the piston hole is discharged out of the medicine cavity from the diversion trench.
Preferably, the water inlet pipe is connected with the second one-way valve in series and then is connected into an external water source; the medicine discharging hole is communicated with an outlet of the first one-way valve, and an inlet of the first one-way valve is communicated with liquid medicine stored in the medicine cavity.
Preferably, the bottom of the sealing plug is rotatably assembled with a first rotating shaft, the bottom of the piston hole is provided with a second fixing ring, the first rotating shaft is sleeved with a sealing spring, the sealing spring is positioned 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 matched with the first spiral groove; the first rotating shaft penetrates through the second fixing ring, and the bottom end of the first rotating shaft is assembled with the first impeller.
Preferably, a mixing drum is installed outside the first impeller, the mixing drum is used for protecting the first impeller, and the mixing drum is fixed at the bottom of the throwing barrel.
Preferably, a streamer pore plate is fixed below the filling port in the medicine cavity, the streamer pore plate and the top surface of the medicine cavity are respectively connected and fixed with the top of the streamer, the bottom of the streamer is an open end, and the streamer is made of flexible materials.
Preferably, a second impeller is arranged in the medicine cavity and at an inlet of the first one-way valve, the second impeller is arranged at one end of a second rotating shaft, the other end of the second rotating shaft is arranged in a rotating hole of the rotating shell and is assembled and fixed with a rotating disc, and the rotating disc and the rotating hole can rotate circumferentially and move axially and are assembled in a sealing manner; the second rotating shaft is provided with second spiral grooves distributed along the axial direction of the second rotating shaft, the rotating shell is provided with second spiral protrusions, and the second spiral grooves are clamped with the second spiral protrusions and can be assembled in a sliding mode;
a return spring is sleeved on the part of the second rotating shaft, which is positioned between the rotating disc and the rotating hole; a second air bag is arranged between the rotating disc and the bottom of the rotating hole and is communicated with the interior of the first air bag through an air pipe; the piston is characterized in that a first fixing ring is arranged in the piston hole and located above the piston, the piston spring is located between the limiting ring and the first fixing ring, and the first air bag is sleeved outside the piston rod and located between the bottom surface of the first fixing ring and the top surface of the piston.
Preferably, the bottom of the medicine cavity is provided with a detection cavity, the top of the detection cavity is also provided with a detection frame, a penetrating limit groove is formed in the detection frame, a connecting column capable of axially sliding is arranged in the limit groove, and the top of the connecting column is provided with a floating plate capable of floating in medicine in the medicine cavity; first magnet is installed to the connecting column bottom, detect the intracavity and install a detection section of thick bamboo, but install the second magnet piece in the detection section of thick bamboo endwise slip, the second magnet piece with detect and be equipped with the detection spring between the chamber bottom, and detect the chamber bottom and still install micro-gap switch, micro-gap switch's trigger end is just to the second magnet, and micro-gap switch's signal end and PLC's signal end communication are connected. The invention has the beneficial effects that: the invention has simple structure, realizes the output of the medicament, the suction of the dilution water, the dilution of the medicament and the discharge of the diluted medicament solution by intermittently driving the piston rod through the motor and the cam, and has high integration level, so the cost is relatively low and the invention is more practical. In addition, when the agent is discharged, the agent can be quickly pushed into a target water body by stirring through the first stirring wheel, so that the pollution caused by too high concentration of the local agent in the water body is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at F1 in FIG. 1;
FIG. 3 is an enlarged view at F2 in FIG. 1;
FIG. 4 is an enlarged view at F3 in FIG. 1;
fig. 5 is an enlarged view at F4 in fig. 1.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a medicament dispensing device for water quality control includes a floating member 110, the floating member 110 floats on the water surface, the upper and lower sides of the floating member 110 are respectively clamped by a clamp plate 120, one clamp plate 120 is fixed on a dispensing barrel 140, the other clamp plate 120 is fixed on an electrical cover 130, the electrical cover 130 is fixed on the top of the dispensing barrel 140 in a sleeving manner, a hollow electrical cavity 131 is formed inside the electrical cover 130, an electrical box 410 and a motor 420 are installed in the electrical cavity 131, a PLC is installed inside the electrical box 410, a cam 220 is fixed on an output shaft 421 of the motor 420, and the cam can be driven to rotate circumferentially after the motor 420 is powered on, so that the piston rod 610 is pressed down intermittently. The top of the piston rod 610 is circumferentially and rotatably assembled with the rotating wheel 230 through the first shaft body 510, and the friction force between the piston rod 610 and the cam can be reduced through the rotating wheel 230, so that the cam and the piston rod 610 are prevented from being excessively worn.
The dispensing barrel 140 is internally provided with a medicine cavity 141, a detection cavity 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 discharging hole 144, wherein the first fixing ring 145 and the second fixing ring 142 are fixed in the piston hole 146 respectively, and the medicine discharging hole 144 communicates the bottom of the medicine cavity 141 with the piston hole 146 between the first fixing ring 145 and the second fixing ring 142;
the piston hole 146 between the first fixing ring 145 and the second fixing ring 142 is sealed and assembled with the piston 630 in an axial sliding manner, 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 penetrates through the first fixing ring 145, a limiting ring 611 is fixed on the part of the piston rod 610 between the first fixing ring 145 and the rotating wheel 230, a piston spring 620 is sleeved on the part of the piston rod 610 between the limiting ring 611 and the first fixing ring 145, and the piston spring 620 is used for generating axial thrust for pushing the piston rod to the cam;
the piston hole 146 between the first fixing ring 145 and the second fixing ring 142 is further communicated with one end of a water inlet pipe 440, and the water inlet pipe 440 is connected with a second one-way valve in series and then is connected into an external water source, so that external water is sucked into the piston cavity;
the medicine discharging 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;
a ribbon orifice plate 720 is fixed below the filling port in the medicine cavity 141, the top surfaces of the ribbon orifice plate 720 and the medicine cavity 141 are respectively connected and fixed with the top of the ribbon 210, the bottom of the ribbon 210 is an open end, and the ribbon 210 is made of flexible materials, such as nylon cloth tapes. The whole device is mainly suspended on the water surface to shake during the design, and the ribbon and the medicament move relatively by shaking, so that the medicament is prevented from being layered or precipitated by stirring the medicament.
A second impeller 250 is arranged in the medicine cavity 141 and at the inlet of the first one-way valve 430, the second impeller 250 is arranged at one end of a second rotating shaft 530, the other end of the second rotating shaft 530 is arranged in a rotating hole 841 of the rotating shell 840 and is assembled and fixed with a rotating disc 860, and the rotating disc 860 and the rotating hole 841 can rotate in a circumferential direction, move in an axial direction and are assembled in a sealing way; the second rotating shaft 530 is provided with second spiral grooves 531 distributed along the axial direction thereof, and the second spiral grooves 531 are engaged with the second spiral protrusions 842 and slidably assembled, so that when the second rotating shaft 530 moves axially, the second rotating shaft 530 is driven to rotate circumferentially by the engagement of the second spiral grooves 531 and the second spiral protrusions 842;
the second spiral protrusion 842 is arranged on the rotating shell 840, a part of the second rotating shaft 530 between the rotating disc 860 and the rotating hole 841 is sleeved with a return spring 850, the return spring 850 is used for generating an elastic force for the rotating disc 860 to push towards the second airbag 820, the rotating disc 860 is attached to one side of the second airbag 820, the other side of the second airbag 820 is fixed on the inner wall of the rotating hole 841, the inside of the second airbag 820 is communicated with the inside of the first airbag 810 through the air pipe 830, one end face of the first airbag 810 is fixed with the bottom face of the first fixing ring 145, the other end face is attached to the top face of the piston 630, and the first airbag 810 is sleeved outside the piston rod 610; the first airbag 810 and the second airbag 820 have high elasticity and are filled with gas, respectively, and in this embodiment, the first airbag 810 and the second airbag 820 have gas with 1.2-1.5 atmospheres.
The first air cell is pressed when the piston moves in the axial direction, so that the air in the first air cell is pressed into the second air cell 820 through the air pipe 830, the second air cell is expanded to push the rotating disc 860 to rotate towards the second impeller 250 against the elastic force of the return spring, so that the second rotating shaft 530 is driven to move in the axial direction, the second rotating shaft moves in the axial direction, the second spiral groove 531 and the second spiral protrusion 842 are matched to rotate synchronously and circumferentially, so that the second impeller 250 rotates to stir the medicament, so that the medicament entering the one-way valve is stirred, and the medicament is more uniform. When the piston moves downwards axially, the pressing force of the first air bag disappears, and the return spring drives the rotating disk 860 to press the second air bag, so that the first air bag and the second air bag are reset. Reciprocating in such a way to realize intermittent rotation of the second impeller.
A sealing plug 640 is hermetically and axially slidably mounted on a portion of the piston hole 146 located between the piston 630 and the second fixing ring 142, the sealing plug 640 is circumferentially and rotatably assembled with one end of the first rotating shaft 520, the other end of the first rotating shaft 520 passes through the sealing spring 760 and the second fixing ring 142 and then is assembled with the limit nut 530 and the first impeller 240, a first spiral groove 521 is formed in the first rotating shaft 520, the first spiral groove 521 is clamped with and slidably assembled with a 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 is matched with the first spiral groove 521 to drive the first rotating shaft 520 to rotate circumferentially, that is, the first impeller rotates circumferentially to stir the target water body, so that the discharged medicament is quickly dissolved in the water body and is dispersed by stirring, and the local concentration of the medicament can be prevented from being too high, and the influence on treatment can be avoided. The limiting nut 530 is used for limiting the maximum displacement of the first rotating shaft 520 moving upwards.
A mixing drum 150 is installed outside the first impeller, the mixing drum 150 is used for protecting the first impeller, and the mixing drum is fixed at the bottom of the throwing barrel 140. The side wall of the piston hole below the sealing plug is provided with a diversion trench 148, the height of the diversion trench is greater than that of the sealing plug, and the diversion trench is used for communicating the piston holes on the two sides of the sealing plug (when the sealing plug overcomes the spring force to move downwards until the sealing plug is shorter than the diversion trench, liquid in the piston hole is discharged out of the medicine cavity from the diversion trench).
During the use, the motor starts to drive the piston to move down intermittently, and the piston constantly moves up under the effect of piston spring to make the piston reciprocating motion, and during initial state, the piston is located the minimum, and figure 1 shows that the piston is located the highest state. When the piston moves upwards, negative pressure is generated in the piston hole, so that external water and the medicament in the medicament cavity 141 are pumped into the piston hole, the piston gradually reaches the state shown in the figure 1, then the cam drives the piston to move downwards, so that the sealing plug is pushed to move downwards by the water in the piston hole until the sealing plug is positioned at the diversion trench, and at the moment, the water in the piston cavity is discharged into the water body at the bottommost part of the piston hole through the diversion trench. When the sealing plug moves downwards, the first rotating shaft rotates to enable the first impeller to rotate and stir so that the medicine can be quickly dissolved in the water body, and the local concentration is prevented from being too high; when the piston moves upwards again, the sealing spring drives the sealing plug to move upwards and return, the first impeller rotates reversely, the water body is stirred again, and the operation is repeated.
The bottom of the medicine cavity 141 and the position corresponding to the detection cavity 147 are also provided with a detection frame 920, the detection frame 920 is provided with a penetrating limit groove 921, a limit pin 930 penetrates through the limit groove 921 and then is assembled and fixed with a connecting column 731, the connecting column 731 is fixed at the bottom of the floating plate 730, and the connecting column 731 can axially slide with the detection frame 920 through the limit pin; the floating plate 730 is suspended in the medicament;
a first magnet 741 is arranged at the bottom of the connecting column 731; the detection cavity 147 is internally provided with a detection barrel 910, the detection barrel 910 is internally provided with a hollow detection slide hole 911, a second magnet block 742 is axially slidably arranged in the detection slide hole 911, the second magnet block 742 is fixed at one end of a detection spring 750, the other end of the detection spring 750 is fixedly assembled with the bottom of the detection cavity 147, a microswitch 450 is further arranged at the position corresponding to the bottom of the detection cavity 147 in the detection slide hole 911, and the trigger end of the microswitch 450 is in communication connection with the signal end of the PLC just opposite to the second magnet 742 and the signal end of the microswitch. When the second magnet moves downwards to the lowest point, the micro switch can be triggered, and the PLC judges that the liquid level is low and the medicine needs to be supplemented. The first magnet and the second magnet are made of permanent magnets, and the same poles of the first magnet and the second magnet are opposite to each other to generate repulsive force. When the liquid level drops below the floating plate, the floating plate moves downwards under the action of gravity, so that the driving magnet overcomes the elastic force of the detection spring to move downwards until the microswitch is triggered.
Preferably, a battery is further installed in the electric cavity, and the battery supplies power to the electric equipment.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A medicament feeding device for water quality treatment is characterized by comprising a floating piece, a feeding barrel fixedly connected with the floating piece and an electric cover, wherein the electric cover is sleeved and fixed at the top of the feeding barrel, a motor is installed in the electric cover, and a cam is fixed on an output shaft of the motor;
a medicine cavity and a piston hole are arranged in the putting barrel, the top of the medicine cavity is provided with an injection port, the piston hole is positioned in the center of the medicine cavity and penetrates through the medicine cavity, a piston is arranged in the piston hole, the top of the piston is provided with a piston rod, the top of the piston rod is provided with a rotating wheel matched with the cam, a piston spring is sleeved on the piston rod, and the piston spring is positioned between a limiting ring fixedly connected with the inner wall of the piston hole and the piston;
the lower part of the piston hole is hermetically and axially slidably provided with a sealing plug, the piston hole is communicated with a water inlet pipe connected with an external water source at the position between the sealing plug and the piston, and is provided with a medicine discharge hole communicated with the medicine cavity; a diversion trench is arranged on the side wall of the piston hole below the sealing plug, and the height of the diversion trench is greater than that 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, the sealing plug overcomes the spring force to move downwards until the sealing plug is lower than the diversion trench, and the liquid in the piston hole is discharged out of the medicine cavity from the diversion trench.
2. A chemical delivery device for water treatment as claimed in claim 1, wherein the water inlet pipe is connected in series with the second one-way valve and then connected to an external water source; the medicine discharging hole is communicated with an outlet of the first one-way valve, and an inlet of the first one-way valve is communicated with liquid medicine stored in the medicine cavity.
3. A chemical feeding device for water treatment according to claim 1, wherein the bottom of the sealing plug is rotatably assembled with a first rotating shaft, the bottom of the piston hole is provided with a second fixing ring, the first rotating shaft is sleeved with a sealing spring, the sealing spring is positioned 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 matched with the first spiral groove; the first rotating shaft penetrates through the second fixing ring, and the bottom end of the first rotating shaft is assembled with the first impeller.
4. A chemical dispensing device for water treatment as claimed in claim 3, wherein a mixing drum is mounted outside the first impeller for protecting the first impeller, and the mixing drum is fixed to the bottom of the dispensing tub.
5. A chemical feeding device for water treatment according to claim 1, wherein a streamer orifice plate is fixed in the chemical cavity below the filling port, the streamer orifice plate and the top surface of the chemical cavity are respectively connected and fixed with the top of the streamer, the bottom of the streamer is an open end, and the streamer is made of flexible materials.
6. A medicament delivery device for water treatment according to claim 2, wherein a second impeller is mounted in the medicament chamber and at the inlet of the first one-way valve, the second impeller is mounted at one end of a second rotating shaft, the other end of the second rotating shaft is mounted in the rotating hole of the rotating shell and is fixedly assembled with the rotating disc, and the rotating disc and the rotating hole can rotate circumferentially and move axially and are assembled in a sealing manner; the second rotating shaft is provided with second spiral grooves distributed along the axial direction of the second rotating shaft, the rotating shell is provided with second spiral protrusions, and the second spiral grooves are clamped with the second spiral protrusions and can be assembled in a sliding mode;
a return spring is sleeved on the part of the second rotating shaft, which is positioned between the rotating disc and the rotating hole; a second air bag is arranged between the rotating disc and the bottom of the rotating hole and is communicated with the interior of the first air bag through an air pipe; the piston is characterized in that a first fixing ring is arranged in the piston hole and located above the piston, the piston spring is located between the limiting ring and the first fixing ring, and the first air bag is sleeved outside the piston rod and located between the bottom surface of the first fixing ring and the top surface of the piston.
7. A medicament feeding device for water quality treatment according to claim 1, wherein a detection chamber is arranged at the bottom of the medicament chamber, a detection frame is further arranged at the top of the detection chamber, a through limiting groove is arranged on the detection frame, a connecting column capable of axially sliding is arranged in the limiting groove, and a floating plate capable of floating in the medicament chamber is arranged at the top of the connecting column; first magnet is installed to the connecting column bottom, detect the intracavity and install a detection section of thick bamboo, but install the second magnet piece in the detection section of thick bamboo endwise slip, the second magnet piece with detect and be equipped with the detection spring between the chamber bottom, and detect the chamber bottom and still install micro-gap switch, micro-gap switch's trigger end is just to the second magnet, and micro-gap switch's signal end and PLC's signal end communication are connected.
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