Water feeder

Abstract

The utility model discloses a water feeder, which relates to the technical field of water feeding equipment and comprises a water tank (1), a water pump (2), a water disc (3), a filtering device (4) and a sterilizing device (5), the water pump (2) is provided with a first water inlet (21), a second water inlet (22) and a water outlet, the first water inlet (21) is communicated with the water tank (1), a water outlet (31) of the water disc (3) is communicated with one end of the filtering device (4), and the other end of the filtering device (4) is communicated with the sterilizing device (5). The other end of the filtering device (4) is communicated with the second water inlet (22), a water outlet of the water pump (2) is connected with an upper water opening of the water disc (3) through a water outlet pipeline (6), and the sterilization device (5) can sterilize water flowing back from a lower water opening (31) of the water disc (3). The water feeder ensures that water in the water disc (3) does not directly flow back to the water tank (1) to cause secondary pollution, improves the filtering and sterilizing efficiency, and provides continuous clean drinking water for pets.

Description

Technical Field

[0001] This utility model relates to the field of water feeding equipment technology, and in particular to a water feeder. Background Technology

[0002] A water dispenser is typically an automated device used to provide a continuous supply of clean water for pets such as cats and dogs. This device is designed to ensure that pets have access to fresh water even when their owners are not home or are busy.

[0003] The water feeder is designed with circulating water, mimicking natural flowing water to continuously provide a fresh water source, encouraging pets to drink more water while reducing bacterial growth. In existing technology, the water circulation in a water feeder involves a pump passing water from the tank through a sterilizing lamp to a water tray for the pet to drink. Water in the water tray that becomes contaminated flows directly back to the tank, where it undergoes sterilization and purification before returning to the water tray for further circulation, forming a continuous water loop.

[0004] However, the water in the water tray directly enters the water tank, causing secondary pollution of the entire water tank. Due to the large capacity of the water tank, the filtration and sterilization time will be very long. Water that has not been completely purified and sterilized may be directly pumped to the water tray for drinking, failing to achieve the effect of complete purification and sterilization.

[0005] In conclusion, how to effectively solve the problem of water flowing directly back into the water tank from the water pan, causing secondary pollution of the water tank, is an urgent problem that needs to be solved by those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a water feeder that can effectively solve the problem of secondary pollution caused by water from the water tray directly entering the water tank, and improve the efficiency of filtration and sterilization, ensuring the hygiene and safety of pet drinking water.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] A water feeder includes a water tank, a water pump, a water tray, a filter, and a sterilization device. The water pump has a first inlet, a second inlet, and an outlet. The first inlet is connected to the water tank. The outlet of the water tray is connected to one end of the filter, and the other end of the filter is connected to the second inlet. The outlet of the water pump is connected to the upper outlet of the water tray via an outlet pipe. The sterilization device is capable of sterilizing the water flowing back from the outlet of the water tray.

[0009] Optionally, the water flow cross-section of the first water inlet is smaller than that of the second water inlet.

[0010] Optionally, the height of the first water inlet is lower than the height of the second water inlet.

[0011] Optionally, the filter, the water pump, and the outlet pipe are located inside the water tank, with the water pump located below the filter, the first inlet located on the side wall of the water pump, and the second inlet located on the upper surface of the water pump.

[0012] Optionally, the sterilization device is a germicidal lamp, which is installed below the water outlet pipe, and the germicidal lamp is directed upwards to sterilize the liquid in the water outlet pipe.

[0013] Optionally, it also includes a base, on which the water tank is mounted, and in which the sterilization device is mounted.

[0014] Optionally, the bottom of the water tank and the base are provided with mutually cooperating wireless coils, which are used to supply power to the various electrical components in the water tank.

[0015] Optionally, the sterilization device is installed inside the water outlet pipe and is used to sterilize the liquid flowing out of the water pump outlet.

[0016] Optionally, the sterilization device is disposed between the lower port of the filter device and the second inlet of the water pump, and is used to sterilize the liquid flowing into the water pump from the filter device.

[0017] Optionally, at least two baffles are connected to the inner wall of the water outlet pipe. The baffles are distributed along the axial direction of the water outlet pipe and are offset in the radial direction of the water outlet pipe. The baffles are located above the sterilization device. Each baffle has a notch in the inner wall of the water outlet pipe. The radial projection of all the baffles in the water outlet pipe covers the radial section of the water outlet pipe.

[0018] Optionally, it also includes a control valve, which is located at the first water inlet and is used to control the opening or closing of the first water inlet.

[0019] Optionally, it also includes a control device connected to the control valve for detecting the water level in the water pump. When the water level in the water tank is insufficient, the control device controls the control valve to open.

[0020] Optionally, the control device includes a water replenishment control mechanism, which is used to control the control valve to open when the water level in the water pump is detected to be lower than a preset water level line or the operating current of the water pump motor is lower than a set current value.

[0021] Optionally, the water replenishment control mechanism includes:

[0022] A weighing unit for weighing the water tank;

[0023] A duration control unit connected to the weighing unit, used to control the opening duration of the control valve based on the detected weight change value.

[0024] Optionally, the water replenishment control mechanism includes:

[0025] A temperature sensor used to detect the water temperature inside the water pump;

[0026] A heater connected to the temperature sensor for heating the water in the water pump when the water temperature in the pump is detected to be lower than a set temperature value;

[0027] A water replenishment temperature control unit connected to the temperature sensor and the heater, used to control the water pump to pump water to the water pan when the water temperature in the water pump is detected to reach a set temperature value.

[0028] The water feeder provided by this utility model has a water pump whose first inlet is connected to a water tank and whose second inlet is connected to a filter device. When the water level in the pump falls below a set level, the filter device and / or the water tank replenish the pump. The water pump's outlet is connected to the upper outlet of the water tray via an outlet pipe, allowing the pump to deliver sterilized and purified water to the water tray for drinking. The upper port of the filter device is connected to the lower outlet of the water tray, filtering contaminated water. The lower port of the filter device is connected to the second inlet of the water pump, allowing filtered water to enter the pump chamber for sterilization and circulation. The sterilization device sterilizes the water returning from the lower outlet of the water tray.

[0029] During normal operation, most of the water will pass through the filter device from the water tray and enter the water pump through the second inlet. The water pump will then pump the sterilized purified water back into the water tray for drinking, thus achieving a circulating water supply to the water tray. The sterilization device can circulate and sterilize the water in the outlet pipe, water tray, water pump, and filter device, which can greatly improve the sterilization rate and achieve efficient sterilization and purification.

[0030] By applying the technical solution provided in this utility model embodiment, the contaminated water in the water tray enters the filtration device, and the water filtered by the filtration device directly enters the water pump. The contaminated water in the water tray will not enter the water tank, thus avoiding secondary pollution of the water in the water tank. The purified water in the water tank does not pass through the filtration device, which improves the filtration rate and shortens the filtration time. The purified water in the water pump is sterilized, which can greatly improve the sterilization rate and shorten the sterilization time. The water in the water tray is continuously circulated, sterilized, and purified, ensuring that the drinking water is in a clean state and providing pets with a continuous supply of clean drinking water. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is an exploded view of a water feeder provided in a specific embodiment of the present invention;

[0033] Figure 2 This is a cross-sectional view of a water feeder provided in a specific embodiment of the present invention;

[0034] Figure 3 This is a schematic diagram illustrating the working principle of the water feeder in the first embodiment;

[0035] Figure 4 This is a schematic diagram illustrating the working principle of the water feeder in the second embodiment;

[0036] Figure 5 This is a schematic diagram illustrating the working principle of the water feeder in the third embodiment.

[0037] Figure label:

[0038] 1. Water tank; 2. Water pump; 3. Water tray; 4. Filter device; 5. Sterilization device; 6. Water outlet pipe; 7. Coarse filter screen; 8. Base; 9. Rotor; 10. Water outlet; 11. Preset water level line; 12. Weighing unit; 13. Control device; 14. Stator; 15. Control valve; 16. Wireless coil; 17. Baffle; 21. First water inlet; 22. Second water inlet; 31. Water outlet. Detailed Implementation

[0039] The core of this invention is to provide a water feeder that ensures that the water in the water tray does not flow back into the water tank and cause secondary pollution, thereby improving the efficiency of filtration and sterilization and providing pets with a continuous supply of clean drinking water.

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] Please refer to Figures 1 to 5 The diagram shows the structure of a water feeder and various working principle diagrams provided in a specific embodiment of this utility model.

[0042] In one specific embodiment, the water feeder provided by this utility model includes a water tank 1, a water pump 2, a water tray 3, a filter device 4, and a sterilization device 5. The water pump 2 has a first inlet 21, a second inlet 22, and an outlet. The first inlet 21 is connected to the water tank 1. The outlet 31 of the water tray 3 is connected to one end of the filter device 4, and the other end of the filter device 4 is connected to the second inlet 22. The outlet of the water pump 2 is connected to the upper outlet of the water tray 3 through an outlet pipe 6. The sterilization device 5 can sterilize the water returning from the outlet 31 of the water tray 3.

[0043] In the above structure, the water pump 2 has two inlets and one outlet. The first inlet 21 is connected to the water tank 1, and the second inlet 22 is connected to the filter device 4. When the water in the water pump 2 is lower than the set amount, the filter device 4 or / and the water tank 1 replenish the water pump 2.

[0044] The outlet of water pump 2 is connected to the inlet of water tray 3 via water outlet pipe 6. Water pump 2 delivers sterilized purified water to water tray 3 for drinking. The upper end of water outlet pipe 6 passes through water tray 3 and extends beyond it. The upper end of water outlet pipe 6 is connected to water outlet 10. Water from water outlet 10 overflows from the edge of the outlet and flows into water tray 3, preventing water from water tray 3 from flowing back into water outlet pipe 6 and contaminating the water in water outlet pipe 6.

[0045] The filter device 4 has two ports. The upper port is connected to the drain outlet 31 of the water tray 3. Water in the water tray 3, after being contaminated, passes through the filter device 4 for filtration. The filter device 4 includes a coarse filter screen 7 connected to the water tray 3 and a filter element connected to the water pump 2. Water in the water tray 3 passes through the coarse filter screen 7, removing most of the particles, before entering the filter element. The filter element performs a finer filtration of the water inside, removing fine particles and purifying the water to remove odors.

[0046] The lower port of the filter device 4 is connected to the second inlet 22 of the water pump 2. The water filtered by the filter device 4 enters the chamber of the water pump 2 through the second inlet 22, waiting for sterilization and circulation.

[0047] The sterilization device 5 can sterilize the water returning from the drain outlet 31 of the water pan 3. The sterilization device 5 can be installed on the base 8, inside the water pump 2, or inside the outlet pipe 6, ensuring that the water entering the water pan 3 is sterile. The sterilization device 5 can circulate and sterilize the water in the outlet pipe 6, water pan 3, water pump 2, and filter device 4, greatly improving the sterilization rate and achieving highly efficient sterilization and purification.

[0048] Based on the above structure, during normal operation, most of the water will pass through the filter device 4 from the water tray 3 and enter the water pump 2 through the second water inlet 22. The sterilized purified water will then be pumped by the water pump 2 to the water tray 3 for drinking, thereby realizing the circulation of water supply to the water tray 3.

[0049] Applying the technical solution provided in this utility model embodiment, the contaminated water in the water tray 3 enters the filter device 4, and the water filtered by the filter device 4 directly enters the water pump 2. The contaminated water in the water tray 3 will not enter the water tank 1, thus avoiding secondary pollution of the water in the water tank 1. The purified water in the water tank 1 does not pass through the filter device 4, thereby improving the filtration rate and shortening the filtration time. Sterilization is performed on the purified water in the water pump 2, which can greatly improve the sterilization rate and shorten the sterilization time. This achieves continuous circulation, sterilization, and purification of the water in the water tray 3, ensuring that the drinking water is in a clean state and providing pets with continuous clean drinking water.

[0050] Based on the above specific embodiments, the water passage cross section of the first water inlet 21 is smaller than that of the second water inlet 22.

[0051] In one specific embodiment, in the design of the water pump 2, both the first inlet 21 and the second inlet 22 are normally open, and the cross-sectional dimensions of the two inlets have a significant impact on the flow characteristics of the water. The water passage cross-section of the second inlet 22 is larger than that of the first inlet 21. Since the larger water passage cross-section can reduce the resistance when the water flows in, it can increase the flow velocity and flow rate. Therefore, when both inlets are normally open, water tends to enter the water pump 2 through the path with less resistance and faster flow velocity, that is, through the second inlet 22.

[0052] Preferably, the water flow cross-section of the first water inlet 21 is in a ratio of 1:4 to the water flow cross-section of the second water inlet 22, so that the water from the water pan 3 first enters the water pump 2 to achieve continuous circulation, sterilization and purification of the water in the water pan 3, and then the water in the water tank 1 is used as an auxiliary supplement to meet the water volume requirements of the water pump 2.

[0053] Specifically, the first inlet 21 of the water pump 2, which receives water from the water tank 1, primarily serves to replenish the water supply in the circulating water system. The water in the water tray 3 may decrease due to pet drinking, evaporation, or splashing. When this water level falls below the water pump 2's requirements, water from the water tank 1 enters the water pump 2 through the first inlet 21 to replenish the lost water, maintaining a stable water volume in the system and keeping the water level in the water tray 3 stable. Furthermore, the water pump 2 requires sufficient water pressure to maintain water circulation, and the water supplied from the water tank 1 ensures that the motor of the water pump 2 has sufficient operating current.

[0054] Since water naturally flows from high to low, the height of the first inlet 21 is lower than the height of the second inlet 22, which makes the water flow more inclined to enter the water pump 2 through the second inlet 22. That is, the water in the water pump 2 preferentially enters from the filter device 4. When the water pump 2 is still short of water after receiving all the water in the water pan 3, the water tank 1 replenishes the water pump 2.

[0055] Based on the above specific embodiments, the filter device 4, the water pump 2 and the water outlet pipe 6 are located inside the water tank 1. The water pump 2 is located below the filter device 4. The first water inlet 21 is located on the side wall of the water pump 2, and the second water inlet 22 is located on the upper end face of the water pump 2.

[0056] In one specific embodiment, the water pump 2 is located below the filter device 4, facilitating the connection between the lower port of the filter device 4 and the second inlet 22 on the upper part of the water pump 2. Preferably, the water pump 2 is located directly below the filter element, the lower port of the filter device 4 is located on the lower end face, and the second inlet 22 is located on the upper end face of the water pump 2. The second inlet 22 of the water pump 2 is perpendicular to the lower port of the filter device 4, and the two are directly connected. The water supply path is direct, the connection distance is short, and there are few bends, ensuring that the second inlet 22 of the water pump 2 can efficiently draw in water.

[0057] The first inlet 21 is located on the side wall of the water pump 2, and the water tank 1 surrounds the outer periphery of the first inlet 21 of the water pump 2, eliminating the need for connecting pipes and simplifying the structure. Due to the small water flow cross-section of the first inlet 21 and the water flow circulation disturbance in the water tank 1, the water resistance entering the water pump 2 from the first inlet 21 is relatively large. Therefore, when the water pump 2 starts, the water will seek the easiest path to enter the pump body, that is, it will preferentially choose to enter through the second inlet 22.

[0058] The inlet of the water pan 3 is connected to the upper end of the outlet pipe 6, and the water in the outlet pipe 6 serves as a replenishment source for the water pan 3. When the water level in the water pan 3 drops, water automatically replenishes the water pan 3 from the outlet pipe 6. Preferably, the outlet pipe 6 is vertical, with the outlet of the water pump 2 located at the upper end, directly connected to the lower end of the outlet pipe 6. The water output from the water pump 2 flows into the lower end of the outlet pipe 6 and then upwards to replenish the water pan 3. The outlet pipe 6 is short and has few connecting bends, ensuring high pumping power from the water pump 2, thereby improving the performance and efficiency of the water pump 2.

[0059] Considering that the second inlet 22 of the water pump 2 is perpendicular to the lower port of the filter device 4, the water flow cross section of the second inlet 22 is large, and under the action of gravity, the water of the water pump 2 enters preferentially from the second inlet 22. The first inlet 21 serves as a supplementary water source and is used when the water supply provided by the filter element is insufficient, so as to ensure the continuous operation of the system.

[0060] Based on the above specific embodiments, the sterilization device 5 is a sterilization lamp, which is set below the water outlet pipe 6. The sterilization lamp shines upward to sterilize the liquid in the water outlet pipe 6.

[0061] In practical applications, water filtered through the filter cartridge is concentrated and sterilized by the sterilization device 5 before entering the water pump 2. The water entering the water pump 2 from the water tank 1 is purified water, uncontaminated, and can be consumed directly without sterilization. The sterilization device 5 can be a sterilizing lamp, which concentrates its light from bottom to top onto the water outlet pipe 6, sterilizing the water in the outlet pipe 6. Since sterilization primarily targets the water in the outlet pipe 6 at the end of the water supply, which is close to the final water supply tray 3, the probability of contamination during water supply is reduced. Furthermore, the relatively small amount of water in the outlet pipe 6 significantly shortens the sterilization time, improving sterilization efficiency.

[0062] In circulating water systems, germicidal lamps can be ultraviolet (UV) lamps, using UVC wavelengths of 200–280 nm for disinfection. UV light with a wavelength of 253.7 nm is particularly effective at killing microorganisms. The effectiveness of UV sterilization is determined by the irradiation dose received by the microorganisms; the higher the dose, the higher the disinfection efficiency. UV sterilization has advantages such as strong bactericidal power and rapid speed, achieving a sterilization efficiency of up to 99.9%.

[0063] Preferably, the device also includes a base 8, on which the water tank 1 is mounted, and in which the sterilization device 5 is mounted. Electrical components such as the sterilization lamp are centrally mounted on the base 8, separate from water-conducting components such as the water tank 1 and water pump 2, reducing the possibility of short circuits and electric shocks caused by liquid contact with the sterilization lamp and other electrical components, thus ensuring greater safety and reliability.

[0064] Based on the above specific embodiments, the bottom of the water tank 1 and the base 8 are provided with mutually cooperating wireless coils 16, which are used to supply power to the various electrical components in the water tank 1.

[0065] In practical applications, the bottom of the water tank 1 and the base 8 are equipped with mutually cooperating wireless coils 16, which are used for power supply. These coils achieve energy transfer through the principle of electromagnetic induction, eliminating the need for a cable connection to the power source, thus powering the various electrical components in the water tank 1 and simplifying installation and maintenance. Preferably, the water pump 2 is a submersible pump 2 with a built-in stator 14, and the rotor 9 is located at the bottom of the water pump 2. The bottom of the submersible pump 2 and the base 8 are equipped with mutually cooperating wireless coils 16. The submersible pump 2 with a built-in stator 14 is powered by the wireless coils 16, which is simple in structure and not only improves the safety and convenience of the system, but also enhances the overall performance and user experience through intelligent control.

[0066] In another specific embodiment, the sterilization device 5 is installed inside the water outlet pipe 6 to sterilize the liquid flowing out of the water pump 2 outlet. The sterilization device 5 is close to the water source to be sterilized, and the sterilization intensity is greater, thus improving the sterilization efficiency. It also targets the water at the end of the water supply pipe 6, and is close to the final water supply pan 3, which reduces the probability of contamination during the water supply process.

[0067] In another specific embodiment, the sterilization device 5 is disposed between the outlet of the filter device 4 and the second inlet 22 of the water pump 2, and is used to sterilize the liquid flowing from the filter device 4 into the water pump 2. The sterilization device 5 sterilizes the water passing through the second inlet 22, but does not sterilize the water passing through the first inlet 21. In other words, it only sterilizes the water entering the water pump 2 from the water tray 3. The purified water in the water tank 1 can enter the chamber of the water pump 2 directly without sterilization. The sterilization device 5 circulates and sterilizes the water in the outlet pipe 6, water tray 3, water pump 2 and filter device 4, reducing the amount of sterilization water and greatly improving the sterilization rate, thus achieving efficient sterilization and purification.

[0068] Based on the above specific embodiments, at least two baffles 17 are connected to the inner wall of the water outlet pipe 6. The baffles 17 are distributed along the axial direction of the water outlet pipe 6 and are offset in the radial direction of the water outlet pipe 6. The baffles 17 are located above the sterilization device 5. Each baffle 17 has a notch with the inner wall of the water outlet pipe 6. The radial projection of all the baffles 17 in the water outlet pipe 6 covers the radial section of the water outlet pipe 6.

[0069] In one specific embodiment, although ultraviolet light is used for sterilization in water treatment, excessive exposure to ultraviolet light is harmful to human health. Installing a baffle 17 in the outlet pipe 6 can effectively block ultraviolet light, preventing leakage from the outlet pipe 6 and protecting the surrounding environment and personnel from ultraviolet radiation.

[0070] The baffles 17 are distributed along the axial direction of the outlet pipe 6 and are offset radially from the outlet pipe 6. This ensures that ultraviolet rays are uniformly blocked within the outlet pipe 6, reducing the risk of ultraviolet leakage. Each baffle 17 has a notch in its inner wall to reduce water flow resistance while ensuring smooth water flow, effectively blocking ultraviolet rays. The radial projection of all baffles 17 covers the radial cross-section of the outlet pipe 6, ensuring that the entire cross-section of the pipe is covered by baffles 17. This minimizes ultraviolet leakage from the outlet pipe 6, protecting the environment and personnel safety.

[0071] In a preferred embodiment, when selecting the material of the baffle 17, materials that can absorb or reflect ultraviolet rays can be considered, such as certain metal particle coatings or ultraviolet-resistant polymer materials, such as polytetrafluoroethylene, which have good resistance to ultraviolet degradation.

[0072] In a preferred embodiment, there are two baffles 17, one at the inlet and one at the outlet of the water outlet pipe 6. The baffles 17 are inclined upward from the inlet to the outlet. The water in the water outlet pipe 6 flows upward along the inclined baffles 17. The inclined baffles 17 have a guiding effect on the water, forming a more uniform water flow distribution in the water outlet pipe 6 and reducing the situation where the local water flow is too fast or too slow.

[0073] Based on the above specific embodiments, a control valve 15 is also included. The control valve 15 is located at the first water inlet 21 and is used to control the opening or closing of the first water inlet 21.

[0074] In practical applications, the first inlet 21 and the second inlet 22 of the water pump 2 selectively receive water from the water tank 1 or the filter device 4. In other words, the control valve 15 controls the water intake priority of the second inlet 22 to be higher than that of the first inlet 21.

[0075] Before initial use, open control valve 15, opening the first inlet 21. Water from water tank 1 enters water pump 2 through the first inlet 21. Close control valve 15, closing the first inlet 21, and the water supply is normal. Water filtered by the filter cartridge first enters water pump 2. When all the filtered water has entered water pump 2, and water pump 2 is still low on water, open control valve 15, opening the first inlet 21. Water from water tank 1 enters water pump 2 to replenish it, thus supplementing the water flow and ensuring normal operation and sufficient water supply for water pump 2.

[0076] The above structure enables continuous water circulation, sterilization, and purification in the water tray 3, ensuring that the drinking water remains clean and providing pets with a continuous supply of clean drinking water.

[0077] Based on the above specific embodiments, a control device 13 is also included. The control device 13 is connected to the control valve 15 and is used to detect the water volume in the water pump 2. When the water volume in the water tank 1 is insufficient, the control valve 15 is opened.

[0078] In practical applications, control device 13 is used to intelligently control the water intake of water pump 2, ensuring that water pump 2 receives sufficient water at different water circulation stages. Control device 13 follows the water flow priority of water pump 2's inlet; that is, under normal operating conditions, water pump 2 preferentially receives water from the second inlet 22, which is filtered water from the filter element. When insufficient water is detected in water tank 1, control device 13 controls control valve 15 to open, thereby opening the first inlet 21, allowing water to flow from water tank 1 into the water pump 2 chamber to replenish the water level.

[0079] Based on the above specific embodiments, the control device 13 includes a water replenishment control mechanism, which is used to control the control valve 15 to open when the water level in the water pump 2 is detected to be lower than the preset water level line 11 or the operating current of the motor of the water pump 2 is lower than the set current value.

[0080] In practical applications, an automated water pump 2 water inlet control system is provided. This system can automatically adjust the water inlet according to the water level in the water pump 2 chamber to ensure that the water pump 2 will not be damaged due to lack of water, while ensuring that the water pan 3 always has a sufficient water supply.

[0081] Control valve 15 is connected to the first inlet 21 of water pump 2, controlling the opening and closing of the first inlet 21. When water needs to be added from water tank 1 to water pump 2, control valve 15 opens; when the water level in the chamber of water pump 2 reaches an appropriate level, control valve 15 closes. Control valve 15 can be an electric valve, a solenoid valve, or other type of automatic valve, used to control the opening and closing of the first inlet 21.

[0082] The above embodiment can automatically respond to changes in the water level within the water pump 2 chamber without manual intervention, thus improving the safety and reliability of the system. Simultaneously, it ensures that the water pump 2 prioritizes the use of water filtered by the filter element, guaranteeing that the water in the water pan 3 is completely returned to the water pump 2.

[0083] In a preferred embodiment, the water replenishment control mechanism may include:

[0084] A level sensor used to detect the water level inside water pump 2;

[0085] A first control unit connected to a liquid level sensor, used to control the opening of the control valve 15 when the water level in the chamber of the water pump 2 is detected to be lower than the preset water level line 11 after water return from the water pan 3.

[0086] A level sensor is installed inside the water pump 2 chamber to monitor the water level in real time. When the water level in the water pan 3 drops, after the return water process, if the water level in the water pump 2 chamber is lower than the preset water level line, the level sensor will detect this water level change.

[0087] The first control unit is connected to the control valve 15 and the liquid level sensor. As the brain of the system, it receives signals from the liquid level sensor and makes logical judgments. When the liquid level sensor detects that the water level in the chamber of water pump 2 is lower than the preset water level line, the control unit will issue a command to control the control valve 15 to open, thereby allowing water to flow from the water tank 1 into the first inlet 21 of water pump 2.

[0088] The workflow of the water replenishment control mechanism is as follows:

[0089] Before the water pan 3 returns water, the water level in the chamber of the water pump 2 is at the normal operating level, and the first water inlet 21 is closed.

[0090] After the water pan 3 returns water, the level sensor monitors the water level in the water pump 2 chamber. If the water level drops below the preset minimum water level line, the level sensor transmits this information to the first control unit. Upon receiving the signal, the first control unit controls the control valve 15 to open, thereby opening the first water inlet 21 and allowing water to flow from the water tank 1 into the water pump 2 chamber to replenish the water level.

[0091] Once the water level in the pump chamber 2 returns to the preset normal operating level, the level sensor will detect this change and transmit the signal back to the first control unit. The first control unit will then control the control valve 15 to close, and the first inlet 21 will close accordingly.

[0092] In another preferred embodiment, the water replenishment control mechanism may include:

[0093] A current meter used to detect the operating current of the motor of water pump 2;

[0094] A second control unit connected to an ammeter, used to control the opening of control valve 15 when the operating current of the motor of water pump 2 is detected to be lower than the set current value.

[0095] The second control unit is connected to an ammeter. When the ammeter detects that the operating current of the water pump 2 motor is lower than the set current value, the second control unit controls valve 15 to open, starting the first inlet 21 to allow water to enter. The opening of the first inlet 21 allows water to be replenished from the water tank 1 into the chamber of the water pump 2, supplementing the water source when the water volume is low, until the water volume reaches the preset value, enabling the operating current of the water pump 2 motor to reach the set current value. Once the operating current of the water pump 2 motor reaches the set current value, the second control unit controls valve 15 to close, that is, the first inlet 21 is closed, and the water pump 2 continues to draw water filtered by the filter element through the second inlet 22.

[0096] Based on the above embodiments, it is ensured that if the water level in the water pump 2 is insufficient after the water pan 3 returns water, or if the water level in the water pump 2 is lower than the preset water level line 11, or if the operating current of the motor of the water pump 2 is lower than the set current value, the water source can be automatically replenished. This prevents the water pump 2 from running dry or reducing its operating efficiency, thereby improving the reliability of the water pump 2 and the automation level of the system. At the same time, precise control of the water intake of the water pump 2 also helps to save water resources and avoid unnecessary water waste.

[0097] Furthermore, this automated control system can be expanded with more functions, such as remote monitoring and fault alarms, further improving the system's intelligence level.

[0098] Based on the above specific embodiments, the water replenishment control mechanism includes:

[0099] Weighing unit 12 for weighing water tank 1;

[0100] A duration control unit connected to the weighing unit 12 is used to control the opening duration of the control valve 15 based on the detected weight change value.

[0101] In practical applications, the water replenishment control mechanism may include a weighing unit 12 that weighs the water tank 1 during the water inlet and outlet cycles, and a duration control unit that controls the opening duration of the control valve 15 based on the difference between the two weighings during a cycle. This system can achieve precise control of the water inlet of the water pump 2, ensuring that the water pump 2 receives an appropriate amount of water at different water circulation stages, while optimizing the use of water resources.

[0102] The weighing unit 12 can measure and record the weight change of the water tank 1 during the water inlet pan 3 and water return process, providing accurate information on the water volume change in the water tank 1 during water inlet and water return.

[0103] The duration control unit receives data input from the weighing unit 12 and calculates the amount of water that needs to be added to the chamber of the water pump 2 based on this data. Then, it determines the opening duration of the control valve 15 based on the calculated water volume, ensuring that the water volume in the water pump 2 reaches the preset amount during the time the control valve 15 is open, thus achieving precise water volume management.

[0104] The above embodiments demonstrate that the control method based on weighing difference can effectively reduce excessive or insufficient water intake, thereby improving system efficiency and water resource utilization, reducing energy consumption, and ensuring the stable operation of water pump 2.

[0105] Based on the above specific embodiments, the water replenishment control mechanism includes:

[0106] Temperature sensor used to detect the water temperature inside water pump 2;

[0107] A heater connected to a temperature sensor for heating the water in pump 2 when the water temperature in pump 2 is detected to be lower than a set temperature value;

[0108] A water replenishment temperature control unit connected to a temperature sensor and a heater, used to control the pumping of water from the water pump 2 to the water pan 3 when the water temperature inside the water pump 2 is detected to reach the set temperature value.

[0109] In practical applications, the water replenishment control mechanism also includes a temperature sensor, a heater, and a water replenishment temperature control unit. This system can regulate the operation of the water pump 2 to ensure that the water temperature in the water pump 2 is kept within the ideal temperature range, providing a suitable water temperature for pets to drink.

[0110] A temperature sensor is installed inside water pump 2 to monitor the water temperature in real time. The temperature sensor can detect any changes in water temperature and transmit this data to the water supply temperature control unit. The water supply temperature control unit performs logical judgments based on the data provided by the temperature sensor.

[0111] The water pump 2 is equipped with a heater for heating the water inside the water pump 2. When it is detected that the water temperature inside the water pump 2 has not reached the set temperature value, the heater is activated to cool or heat the water to maintain a suitable water temperature.

[0112] When the temperature sensor detects that the water temperature in the water pump 2 has reached the set temperature value, the water supply temperature control unit will open the outlet of the water pump 2 and control the water pump 2 to pump water into the water pan 3.

[0113] The above embodiments provide pets with a continuous supply of safe drinking water by intelligently controlling the water temperature; reduce the need for manual monitoring and intervention, and improve the automation level of the system.

[0114] By applying the technical solution provided in this utility model embodiment, the contaminated water in the water tray 3 will not enter the water tank 1, thus avoiding secondary pollution of the water in the water tank 1; the water in both the water tank 1 and the water tray 3 is filtered and sterilized, so as to achieve continuous circulation filtration and sterilization of the water in the water tray 3, ensuring that the drinking water is in a clean state and providing pets with continuous clean drinking water.

[0115] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0116] The water feeder provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model. Therefore, this utility model is not limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A water feeder, characterized in that, The system includes a water tank (1), a water pump (2), a water tray (3), a filter device (4), and a sterilization device (5). The water pump (2) has a first inlet (21), a second inlet (22), and an outlet. The first inlet (21) is connected to the water tank (1). The outlet (31) of the water tray (3) is connected to one end of the filter device (4). The other end of the filter device (4) is connected to the second inlet (22). The outlet of the water pump (2) is connected to the upper outlet of the water tray (3) through an outlet pipe (6). The sterilization device (5) can sterilize the water returning from the outlet (31) of the water tray (3).

2. The water feeder according to claim 1, characterized in that, The cross-sectional area of ​​the first inlet (21) is smaller than that of the second inlet (22).

3. The water feeder according to claim 1, characterized in that, The height of the first water inlet (21) is lower than the height of the second water inlet (22).

4. The water feeder according to claim 1, characterized in that, The filter device (4), the water pump (2) and the water outlet pipe (6) are located inside the water tank (1). The water pump (2) is located below the filter device (4). The first water inlet (21) is located on the side wall of the water pump (2), and the second water inlet (22) is located on the upper surface of the water pump (2).

5. The water feeder according to claim 1, characterized in that, The sterilization device (5) is a sterilization lamp, which is located below the water outlet pipe (6). The sterilization lamp is directed upwards to sterilize the liquid in the water outlet pipe (6).

6. The water feeder according to claim 5, characterized in that, It also includes a base (8), the water tank (1) is installed on the base (8), and the sterilization device (5) is installed in the base (8).

7. The water feeder according to claim 6, characterized in that, The bottom of the water tank (1) and the base (8) are provided with mutually cooperating wireless coils (16), which are used to supply power to the various electrical components in the water tank (1).

8. The water feeder according to claim 1, characterized in that, The sterilization device (5) is installed inside the water outlet pipe (6) and is used to sterilize the liquid flowing out of the water pump (2).

9. The water feeder according to claim 1, characterized in that, The sterilization device (5) is located between the lower port of the filter device (4) and the second inlet (22) of the water pump (2) for sterilizing the liquid flowing from the filter device (4) into the water pump (2).

10. The water feeder according to claim 1, characterized in that, At least two baffles (17) are connected to the inner wall of the water outlet pipe (6). The baffles (17) are distributed along the axial direction of the water outlet pipe (6) and are offset in the radial direction of the water outlet pipe (6). The baffles (17) are located above the sterilization device (5). Each baffle (17) has a notch with the inner wall of the water outlet pipe (6). The radial projection of all the baffles (17) in the water outlet pipe (6) covers the radial section of the water outlet pipe (6).

11. The water feeder according to claim 1, characterized in that, It also includes a control valve (15), which is located at the first water inlet (21) and is used to control the opening or closing of the first water inlet (21).

12. The water feeder according to claim 11, characterized in that, It also includes a control device (13), which is connected to the control valve (15) and is used to detect the amount of water in the water pump (2). When it is detected that the amount of water in the water tank (1) is insufficient, the control valve (15) is controlled to open.

13. The water feeder according to claim 12, characterized in that, The control device (13) includes a water replenishment control mechanism, which is used to control the control valve (15) to open when the water level in the water pump (2) is detected to be lower than the preset water level line (11) or the operating current of the motor of the water pump (2) is lower than the set current value.

14. The water feeder according to claim 13, characterized in that, The water replenishment control mechanism includes: Weighing unit (12) for weighing the water tank (1); A duration control unit connected to the weighing unit (12) for controlling the opening duration of the control valve (15) based on the detected weight change value.

15. The water feeder according to claim 13, characterized in that, The water replenishment control mechanism includes: A temperature sensor is used to detect the water temperature inside the water pump (2); A heater connected to the temperature sensor and used to heat the water in the water pump (2) when the water temperature in the water pump (2) is detected to be lower than the set temperature value; A water replenishment temperature control unit connected to the temperature sensor and the heater, used to control the water pump (2) to pump water to the water pan (3) when the water temperature in the water pump (2) is detected to reach the set temperature value.

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