Automatic dosing device

Abstract

An automatic dosing device relates to the technical field of water treatment equipment, and comprises a tank body for containing water, and the tank body is provided with a closed inner cavity; the tablet collecting box is located in the tank body and is of a net-shaped structure; the automatic water replenishing system is connected with the tank body and is used for replenishing water into the tank body when the water level in the tank body is lower than a low water level and stopping water replenishing when the water level reaches a high water level; the automatic medicine feeding unit is configured to feed tablets into the tablet collecting box in the tank body before the automatic water replenishing system stops replenishing water to the tank body; the inlet part of the chlorine adsorption unit is communicated with the upper end of the tank body, and the outlet part of the chlorine adsorption unit is communicated with the atmosphere. According to the automatic dosing unit, the tank body is set to be closed, chlorine gas leakage can be avoided, the tank body can be kept closed in the dosing process, and chlorine gas leakage in the dosing process is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of water treatment equipment, and in particular to an automatic dosing device. Background Art

[0002] Swimming pools and other places need to use chlorine disinfection to disinfect water. In the prior art, a combination of a dosing cylinder and a dosing pump is usually used. When in use, chlorine tablets need to be put into the dosing cylinder. After the chlorine tablets are completely dissolved, the dosing pump is used to transport the solution in the dosing cylinder to the swimming pool for disinfection. As a result, many swimming pool water treatment equipment rooms have leaked chlorine gas, which can cause damage to human respiratory tracts and corneas, and corrode equipment. Summary of the invention

[0003] In view of the above-mentioned prior art, the present invention provides an automatic medication dispensing device, which can solve the above-mentioned technical problems.

[0004] The present invention provides an automatic drug dispensing device, comprising:

[0005] A tank body for containing water, the tank body having a closed inner cavity;

[0006] A pill collecting box located in the tank and having a mesh structure, the pill collecting box being connected to a buoyancy body so that the pill collecting box is in a suspended state when immersed in water;

[0007] an automatic water replenishing system, the automatic water replenishing system being connected to the tank body and being used to replenish water into the tank body when the water level in the tank body is lower than a low water level, and to stop replenishing water when the water level reaches a high water level;

[0008] an automatic medication dispensing unit, the automatic medication dispensing unit being configured to dispense tablets into a tablet collecting box in the tank body before the automatic water replenishing system stops replenishing water to the tank body; and

[0009] A chlorine gas adsorption unit, wherein the inlet of the chlorine gas adsorption unit is communicated with the upper end of the tank body, and the outlet of the chlorine gas adsorption unit is communicated with the atmosphere.

[0010] Preferably, the automatic water replenishment system comprises a water inlet pipe for conveying water into the tank body; the upper side of the tank body is provided with a drug injection port;

[0011] The automatic medication dispensing unit comprises:

[0012] A water flow sensor for detecting the flow of water in the water inlet pipe;

[0013] A medicine chamber for containing tablets;

[0014] A screw conveyor connected to the medication port, wherein the inlet of the screw conveyor is connected to the medication bin, and the outlet of the screw conveyor is connected to the medication port; and

[0015] A controller is connected to the water flow sensor and the screw conveyor respectively, and is configured to send a signal to the screw conveyor to control the screw conveyor to put tablets into the tablet collection box in the tank body when the water flow sensor detects that there is water flow in the water inlet pipe.

[0016] Preferably, the outer contour of the tablet collection box is slightly smaller than the inner cavity of the can body.

[0017] Preferably, it further comprises a water output system, wherein the water output system comprises a delivery pump, and the suction end of the delivery pump is connected to the tank body.

[0018] Preferably, the chlorine adsorption unit comprises a cylinder and a filter layer located inside the cylinder.

[0019] Preferably, the filter layer comprises a first porous material layer, an activated carbon layer, an activated adsorption material layer and a second porous material layer which are arranged in sequence from the inlet to the outlet.

[0020] Preferably, the automatic medication dispensing device further comprises an upper cover detachably connected to the cylinder.

[0021] Preferably, a detachable observation cover is provided on the top of the tank body.

[0022] Preferably, the outlet of the screw conveyor extends downwardly and obliquely toward the interior of the tank body to form a sliding channel, and the end of the sliding channel extends downward to form a medicine storage portion;

[0023] A blocking cover plate capable of closing the lower port of the medicine storage portion is provided at the lower port of the medicine storage portion, and an elastic element is provided to hold the blocking cover plate in the closed position of the lower port;

[0024] A pull rope is provided between the pill collecting box and the blocking cover plate, and before the pill collecting box falls to the lowest position, the blocking cover plate can be pulled downward by the pull rope to open the lower port to allow the pills in the medicine storage part to fall.

[0025] Preferably, the free end of the valve stem of the float valve is connected to the buoyancy body.

[0026] According to the present invention, the tank body is set to be closed, which can prevent chlorine gas from leaking out, and the automatic dosing unit of the present application can keep the tank body closed during the dosing process, thereby preventing chlorine gas from leaking out during the dosing process.

[0027] Furthermore, the present application further provides a chlorine adsorption unit, and the chlorine volatilized from the solution will be filtered out by the chlorine adsorption unit, thereby completely solving the adverse corrosive effects of chlorine on the environment of the swimming place.

[0028] Furthermore, the tablet collection box is located inside the tank body, and the tablets put into the above-mentioned medicine feeding port will fall into the tablet collection box, and the above-mentioned tablet collection box has a mesh structure, which is convenient for water to flow into the tablet collection box to contact the tablets and dissolve them. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of an automatic medication dispensing device according to an embodiment of the present invention;

[0030] Figure 2 is an enlarged view of the chlorine gas adsorption unit of the automatic dosing device of the present invention;

[0031] Figure 3 It is a schematic diagram of the dosing process of the automatic dosing device of the present invention;

[0032] Figure 4 Schematic diagram of the chlorine adsorption process of the automatic dosing device of the present invention;

[0033] Figure 5 is a structural principle diagram of an automatic medication dispensing device according to another embodiment of the present invention;

[0034] Figure 6 It is a partial structural schematic diagram of an automatic medication dispensing device according to another embodiment of the present invention.

[0035] Explanation of symbols

[0036] 1. Tank body; 101. Dosing port; 102. Waste residue discharge port; 103. Observation cover; 104. Insert plate; 2. Tablet collection box; 3. Buoyancy body; 4. Automatic water replenishment system; 401. Float valve; 4011. Valve stem; 402. Water inlet pipe; 5. Chlorine adsorption unit; 51. Inlet; 52. Upper cover; 53. Cylinder body; 531. Outlet; 54. Filter layer; 541. First porous material layer; 542. Activated carbon layer; 543. Activated carbon layer Adsorption material layer; 544, second porous material layer; 6, water output system; 601, delivery pump; 7, tablets; 8, base; 91, high water level; 92, low water level; 10, automatic dosing unit; 1001, water flow sensor; 1002, controller; 1003, medicine bin; 1004, screw conveyor; 1005, sliding channel; 1006, medicine storage unit; 1007, sealing cover; 1008, pull rope; 1009, elastic element. DETAILED DESCRIPTION

[0037] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0038] Example 1

[0039] like Figure 1 As shown, an automatic medication device includes a tank body 1 for containing water, a pill collecting box 2 located in the tank body 1 and having a mesh structure, the pill collecting box 2 being connected to a buoyancy body 3 so that the pill collecting box 2 is in a suspended state when immersed in water; and a closable medication port 101 located on the upper side of the tank body 1.

[0040] A drug injection port 101 is provided at the upper portion of the tank body 1, through which tablets 7 can be injected into the tank body 1. The drug injection port 101 may have a cover to close the tank body 1 after drug injection is completed, so as to prevent leakage of chlorine gas inside the tank body 1. In some embodiments, the cover may be realized by providing an openable and closable plug plate 104 at the drug injection port 101. The plug plate 104 may be slidably connected to the tank body 1, for example. When drug injection is required, the drug injection port 101 is opened by pulling the plug plate 104, and after drug injection is completed, the drug injection port 101 is closed by pushing the plug plate 104. The cover of the drug injection port 101 of the present invention may also be connected to the drug injection port 101 in an openable / closable manner by other means such as rotation.

[0041] The tablet collection box 2 is located inside the can body 1 , and the tablets 7 put into the above-mentioned medication port 101 will fall into the tablet collection box 2 , and the above-mentioned tablet collection box 2 has a mesh structure, which is convenient for water to flow into the tablet collection box 2 to contact the tablets 7 and dissolve them.

[0042] The tank body 1 may have, for example, a circular horizontal cross section, and an inner cavity for containing water is formed inside the tank body 1. Preferably, a conical bottom is formed at the lower part of the tank body 1, that is, the cross-sectional area of ​​the lower part of the tank body 1 gradually decreases from top to bottom, which is conducive to the accumulation of impurities at the bottom of the tank body 1. Furthermore, a waste residue discharge port 102 may be provided at the lower end of the tank body 1, and the conical bottom may be used to collect the impurities, and a valve may be installed on the waste residue discharge port 102, and the waste residue may be discharged by opening the valve.

[0043] A detachable observation cover 103 is provided on the top of the tank body 1. The observation cover 103 may be made of a transparent material such as glass. The condition inside the tank body 1 can be checked through the observation cover 103, and the observation cover 103 can be removed when necessary to repair or replace components inside the tank body 1.

[0044] The outer contour of the tablet collection box 2 is slightly smaller than the inner cavity of the tank 1, so as to prevent the tablets 7 from falling outside the tablet collection box 2. Preferably, the buoyancy body 3 is located on the upper side of the tablet collection box 2, so that the tablet collection box 2 can be completely immersed in water.

[0045] In some embodiments, a base 8 for supporting the tank body 1 may be provided at the lower side of the tank body 1. Preferably, the tank body 1 and the base 8 have a separable structure to facilitate installation, cleaning of the interior of the tank body 1 and equipment maintenance.

[0046] In some embodiments, Figure 1 and Figure 3 As shown, the automatic dosing device also includes an automatic water replenishing system 4, which is connected to the tank body 1 and is used to replenish water into the tank body 1 when the water level in the tank body 1 is lower than the low water level 92, and stop replenishing water when the water level reaches the high water level 91. Preferably, the automatic water replenishing system 4 includes a float valve 401, which is located in the tank body 1 and connected to the water pipe outlet of the automatic water replenishing system 4, for realizing automatic control of water replenishment. The tablet collection box 2 of the present invention is connected to the buoyancy body 3, and can rise and fall with the rise and fall of the water level in the tank body 1, so as to avoid obstruction to the operation of the float valve 401. The above-mentioned buoyancy body 3 preferably has an annular structure with greater buoyancy, and the annular hole is conducive to the tablets falling into the tablet collection box 2.

[0047] like Figure 1 As shown, the automatic dosing device also includes a water output system 6, and the water output system 6 includes a delivery pump 601. The suction end of the delivery pump 601 is connected to the tank body 1, and the output end of the delivery pump 601 can be connected to the swimming pool through a pipeline to deliver the solution into the swimming pool.

[0048] In actual work, many equipment, stairs, etc. in the swimming pool water treatment equipment room will be corroded after being used for a period of time. The inventor of the present application has found through continuous exploration that the fundamental reason for this phenomenon is that the agent in the dosing barrel will continue to release chlorine to the outside.

[0049] In order to solve the above problems, in some embodiments, Figure 1 As shown, the tank body 1 has a sealed inner cavity, which can reduce the diffusion of chlorine into the outside air and reduce the corrosion to the environment.

[0050] However, the inventors of the present application have discovered that even if the tank body 1 is designed to be airtight and the chlorine gas can only be temporarily sealed in the inner cavity of the tank body 1, when the medication operation is performed, the medication port 101 needs to be opened, and the chlorine gas sealed in the inner cavity of the tank body 1 will diffuse into the air at this time, and there is still the problem of causing corrosion to the environment.

[0051] In order to further solve the above technical problems, the inventors of the present application creatively designed a chlorine adsorption unit 5, wherein the inlet 51 of the chlorine adsorption unit 5 is connected to the upper end of the tank body 1, and the outlet 531 of the chlorine adsorption unit 5 is connected to the atmosphere. The chlorine volatilized from the solution will be filtered out by the chlorine adsorption unit 5, thereby solving the adverse corrosive effects of chlorine on the environment of the swimming place.

[0052] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, the chlorine adsorption unit 5 includes a cylinder 53 and a filter layer 54 located inside the cylinder 53. The filter layer 54 includes a first porous material layer 541, an activated carbon layer 542, an active adsorption material layer 543 and a second porous material layer 544 arranged in sequence from the inlet 51 of the chlorine adsorption unit 5 to the outlet 531 thereof. After the above-mentioned multi-layer filtration and adsorption, chlorine can be effectively removed, and the corrosion of chlorine to the swimming pool environment is effectively reduced. The above-mentioned active adsorption material layer 543 can be, for example, activated alumina.

[0053] Figure 4 The chlorine filtration process is further indicated in Figure 4 As shown, chlorine gas is volatilized from the solution in the tank body 1. Since other positions of the tank body 1 are designed to be closed, the chlorine gas can only be discharged through the above-mentioned chlorine gas adsorption unit 5. When flowing through the chlorine gas adsorption unit 5, it passes through the first porous material layer 541, the activated carbon layer 542, the active adsorption material layer 543 and the second porous material layer 544 in sequence. After the above-mentioned filtering process, the chlorine gas in the discharged gas is effectively removed, and finally discharged into the swimming pool environment through the outlet portion 531.

[0054] like Figure 2 As shown, further, the automatic medication dispensing device also includes an upper cover 52 detachably connected to the barrel 53, and the filter layer 54 in the barrel 53 can be replaced by opening the upper cover 52, thereby improving the convenience of maintenance.

[0055] Example 2

[0056] This embodiment is further improved on the basis of the embodiment 1. In this embodiment, a closed automatic medication unit 10 is added.

[0057] Specifically, in Example 1, when tablets are put into the tank body 1 through the injection port 101, the cover of the injection port 101 must be opened. At this time, the chlorine gas enclosed in the tank body 1 will diffuse outward, affecting the swimming pool environment.

[0058] To solve the above problems, the present embodiment adds an automatic dosing unit 10, which includes a water flow sensor 1001, a controller 1002, a medicine bin 1003 and a screw conveyor 1004. The medicine bin 1003 is used to accommodate tablets, the inlet of the screw conveyor 1004 is connected to the medicine bin 1003, and the outlet of the screw conveyor 1004 is connected to the tank body 1, for conveying tablets into the tank body 1. In the present embodiment, since the medicine bin 1003 and the screw conveyor 1004 are not connected to the outside world, the leakage of chlorine gas during dosing is avoided.

[0059] The water flow sensor 1001 is used to detect the water flow signal in the water inlet pipe of the automatic water replenishment system 4. When there is water flow in the water inlet pipe 402, that is, when the automatic water replenishment system 4 replenishes water into the tank body 1, the water flow sensor 1001 sends a signal to the controller 1002. After receiving the water neglect signal, the controller 1002 further controls the screw conveyor 1004 to work, put tablets into the tank body 1, and stops putting tablets when the amount of tablets put in reaches a preset amount.

[0060] The automatic dosing device of this embodiment determines whether it is in the water replenishment state through the water flow signal of the water inlet pipe 402, and then controls the screw conveyor 1004 to dosing medicine into the tank body 1. During the whole process, the space in the tank body 1 is in a closed state, thereby completely solving the problem of chlorine leakage.

[0061] Example 3

[0062] In the structure of Example 2, the water vapor in the solution easily enters the screw conveyor 1004 and the medicine bin 1003, causing the stored tablets 7 to be damp. In order to prevent the tablets 7 from being damp, this embodiment is further improved on the basis of Example 2. Specifically, in this embodiment, the outlet of the screw conveyor 1004 passes through the wall of the tank body 1 and extends obliquely downward toward the inside of the tank body 1 to form a sliding channel 1005, and the end of the sliding channel 1005 extends downward to form a medicine storage portion 1006. The tablets discharged from the screw conveyor 1004 can slide along the sliding channel 1005 toward the medicine storage portion 1006.

[0063] A blocking cover plate 1007 capable of closing the lower port of the medicine storage portion 1006 and an elastic element 1009 for keeping the blocking cover plate 1007 closed at the lower port are provided at the lower port of the medicine storage portion 1006. Thus, in a natural state, the elastic element 1009 provides an elastic force to keep the blocking cover plate 1007 closed at the lower port, preventing water vapor from entering the screw conveyor 1004 and the medicine bin 1003 to make the tablets damp. The elastic element 1009 is preferably a coil spring. In a state where the lower port is closed, the coil spring can not only play a role in tightening the blocking cover plate 1007, but the spiral structure is also conducive to keeping the tablets in the medicine storage portion 1006.

[0064] A pull rope 1008 is provided between the tablet collection box 2 and the blocking cover plate 1007. Before the tablet collection box 2 falls to the lowest position, the blocking cover plate 1007 can be pulled downward by the pull rope 1008 to open the lower port to allow the tablets in the medicine storage part 1006 to fall. At this time, the automatic dosing device is in a water replenishing state, and the replenished water erodes the tablets, which is conducive to the rapid and uniform dissolution of the tablets. In addition, when the lower port is open, the pitch of the coil spring is increased due to the stretching, and the holding effect on the tablets is reduced, which is conducive to the tablets falling evenly and gradually, rather than falling suddenly.

[0065] In some embodiments, the free end of the valve stem 4011 of the float valve 401 is connected to the buoyancy body 3. The buoyancy body 3 is used instead of the float, which increases the buoyancy and reduces the number of parts, thereby reducing the manufacturing cost.

[0066] The above is a detailed description of the automatic medication dispensing device according to the preferred embodiment of the present invention. However, those skilled in the art can make various modifications, changes, combinations, etc. on this basis, and these modifications, changes, combinations all fall within the protection scope of the claims of this application.

Claims

1. An automatic drug delivery device, characterized in that: include: A tank body (1) for containing water, the tank body (1) having a closed inner cavity; A tablet collection box (2) located in the tank body (1) and having a mesh structure, wherein the tablet collection box (2) is connected to a buoyancy body (3) so that the tablet collection box (2) is in a suspended state when immersed in water; an automatic water replenishing system (4), the automatic water replenishing system (4) being connected to the tank body (1) and being used to replenish water into the tank body (1) when the water level in the tank body (1) is lower than a low water level (92), and to stop replenishing water when the water level reaches a high water level (91); An automatic dosing unit (10), the automatic dosing unit (10) being configured to put tablets into a tablet collecting box (2) in the tank body (1) before the automatic water replenishing system (4) stops replenishing water to the tank body (1); as well as A chlorine adsorption unit (5), wherein the inlet portion (51) of the chlorine adsorption unit (5) is connected to the upper end of the tank body (1), and the outlet portion (531) of the chlorine adsorption unit (5) is connected to the atmosphere.

2. The automatic drug delivery device according to claim 1, characterized in that: The automatic water replenishment system (4) comprises a water inlet pipe (402) for conveying water into the tank body (1); the upper side of the tank body (1) is provided with a drug injection port (101); The automatic medication dispensing unit (10) comprises: A water flow sensor (1001) for detecting the flow of water in the water inlet pipe (402); A medicine bin (1003) for containing medicine tablets; a screw conveyor (1004) connected to the drug injection port (101), wherein the inlet of the screw conveyor (1004) is connected to the drug storage bin (1003), and the outlet of the screw conveyor (1004) is connected to the drug injection port (101); and A controller (1002), the controller (1002) being connected to the water flow sensor (1001) and the screw conveyor (1004) respectively, and the controller (1002) being configured to send a signal to the screw conveyor (1004) to control the screw conveyor (1004) to drop tablets into the tablet collection box (2) in the tank body (1) when the water flow sensor (1001) detects that there is water flow in the water inlet pipe (402).

3. The automatic drug delivery device according to claim 1, characterized in that: The outer contour of the tablet collection box (2) is slightly smaller than the inner cavity of the can body (1).

4. The automatic drug delivery device according to claim 1, characterized in that: It also includes a water output system (6), wherein the water output system (6) includes a delivery pump (601), and the suction end of the delivery pump (601) is connected to the tank body (1).

5. The automatic drug dispensing device according to claim 1, characterized in that: The chlorine gas adsorption unit (5) comprises a cylinder (53) and a filter layer (54) located inside the cylinder (53).

6. The automatic drug dispensing device according to claim 5, characterized in that: The filter layer (54) comprises a first porous material layer (541), an activated carbon layer (542), an active adsorption material layer (543), and a second porous material layer (544) which are sequentially arranged in a direction from the inlet (51) to the outlet (531).

7. The automatic drug delivery device according to claim 6, characterized in that: The automatic medication dispensing device further comprises an upper cover (52) detachably connected to the cylinder (53).

8. The automatic drug dispensing device according to claim 1, characterized in that: A detachable observation cover (103) is provided on the top of the tank body (1).

9. The automatic drug dispensing device according to claim 2, characterized in that: The outlet of the screw conveyor (1004) extends obliquely downward toward the interior of the tank body (1) to form a sliding channel (1005), and the end of the sliding channel (1005) extends downward to form a medicine storage portion (1006); A blocking cover plate (1007) capable of closing the lower port of the medicine storage portion (1006) is provided at the lower port of the medicine storage portion (1006), and an elastic element (1009) is provided to hold the blocking cover plate (1007) in the closed position of the lower port; A pull rope (1008) is provided between the pill collecting box (2) and the blocking cover plate (1007), and before the pill collecting box (2) falls to the lowest position, the blocking cover plate (1007) can be pulled downward by the pull rope (1008) so that the lower port is opened to allow the pills in the pill storage portion (1006) to fall.

10. The automatic drug dispensing device according to claim 9, characterized in that: The free end of the valve stem (4011) of the float valve (401) is connected to the buoyancy body (3).

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