Plasma activated water generating device for pet cleaning and nursing

Abstract

The invention relates to the technical field of pet equipment, in particular to a plasma activated water generating device for pet cleaning and nursing, which comprises a plasma gas generating system for generating plasma gas, the plasma gas generating system comprises an oscilloscope, a DBD generator, a gas generating box body, a discharge electrode and a power receiving electrode; the plasma activated water generation system is used for producing plasma activated water, and plasma gas prepared by the plasma gas generation system is input into the plasma activated water generation system; the spraying system is used for spraying out the plasma activated water prepared by the plasma activated water generation system, the input end of the spraying system is connected with the output end of the plasma activated water generation system, and the plasma activated water is generated by taking water and air as raw materials and is rich in active substances such as active oxygen and hydrogen peroxide. The pet fur cleaning agent has efficient sterilization and decontamination capabilities, can quickly remove bacteria, fungi and viruses on pet fur, and ensures thorough cleaning.

Description

Technical Field

[0001] This invention relates to the field of pet equipment technology, and in particular to a plasma-activated water generating device for pet cleaning and care. Background Technology

[0002] With the increasing number of pets and the growing demand for pet care, cleaning and grooming pets' fur and skin has become an important daily task. However, traditional pet cleaning methods often use chemical detergents, which may remain in the pet's fur, causing skin irritation, allergic reactions, and even long-term adverse effects on the pet's health. Therefore, finding a safe, efficient, and environmentally friendly pet cleaning and grooming technology is particularly important.

[0003] Traditional pet cleaning relies primarily on chemical detergents, which pose problems such as residual toxicity, skin irritation for pets, and environmental pollution. While plasma-activated water technology has applications in medical disinfection, it suffers from several drawbacks: unstable DBD discharge, large fluctuations in the concentration of active particles (such as ozone and hydroxyl radicals), and low gas activation efficiency; conventional gas injection methods result in short gas-water contact time, insufficient concentration of active ingredients in the activated water, and inadequate gas-liquid mixing; the separate design of gas generation, activated water generation, and spraying systems leads to bulky components that are difficult to adapt to mobile pet cleaning scenarios, resulting in poor equipment integration; and the lack of real-time pH and temperature monitoring may cause skin damage due to excessive acidity or heat, raising safety concerns. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the problems of unstable DBD discharge, large fluctuations in the concentration of active particles (such as ozone and hydroxyl radicals), low gas activation efficiency, short contact time between gas and water, insufficient concentration of active ingredients in activated water, and inadequate gas-liquid mixing caused by conventional gas injection methods in the prior art. The present invention provides a plasma activated water generating device for pet cleaning and care.

[0005] The technical solution adopted by this invention to solve its technical problem is: a plasma-activated water generating device for pet cleaning and care, comprising: A plasma gas generation system is used to generate plasma gas. The plasma gas generation system includes an oscilloscope, a DBD generator, a gas production chamber, a discharge electrode, and a receiving electrode. The discharge electrode and the receiving electrode are arranged inside the gas production chamber and are spaced apart. The output terminal of the oscilloscope is connected to the input terminal of the DBD generator. The high voltage output terminal of the DBD generator is connected to the discharge electrode, and the receiving electrode is grounded. A plasma-activated water generation system is used to produce plasma-activated water. The plasma gas generated by the plasma gas generation system is input into the plasma-activated water generation system. The system also includes a spray system for spraying out plasma-activated water generated by the plasma-activated water generation system. The input end of the spray system is connected to the output end of the plasma-activated water generation system. The plasma-activated water is generated using water and air as raw materials and is rich in active substances such as active oxygen and hydrogen peroxide. It has highly efficient sterilization and decontamination capabilities, and can quickly remove bacteria, fungi, and viruses from pet fur to ensure thorough cleaning. At the same time, its production process does not require the addition of chemical cleaning agents, and it does not irritate pet skin and fur during cleaning. It avoids allergies or other health problems that may be caused by traditional cleaning agents, making it safer and suitable for long-term use.

[0006] To address the problem of how to precisely control gas flow and pressure to optimize plasma yield, a plasma gas generation system is further included, comprising a gas pump, a mass flow controller, and an air compressor. The air compressor is fixedly connected to the inner top surface of the gas production chamber, the output end of the gas pump is connected to the input end of the air compressor, and the mass flow controller is arranged on the connecting pipeline between the gas pump and the air compressor.

[0007] To address the issue of preventing electrode arc discharge damage and extending its lifespan, a dielectric barrier layer is further installed on both the end face of the discharge electrode near the receiving electrode and the end face of the receiving electrode near the discharge electrode.

[0008] To address the issue of uneven distribution of active particles caused by turbulent airflow in the discharge zone, an insulating guide plate is further provided between the discharge electrode and the receiving electrode. The insulating guide plate includes a connecting part and a diffusion part. The connecting part has a columnar structure and is located above the diffusion part. The diffusion part has a conical structure that expands outward from top to bottom.

[0009] To address the issue of enhancing the mass transfer efficiency between plasma gas and water, a further step is to install a porous dielectric layer inside the gas production chamber, with the porous dielectric layer located below the discharge electrode.

[0010] To address the issue of achieving a full reaction between low-temperature plasma and water, a plasma-activated water generation system is further included, comprising an activated water generation chamber, a heating pipe, a water inlet pipe, and a gas injection pipe. The water inlet pipe is installed at the top of the activated water generation chamber, and the input end of the gas injection pipe is connected to the gas production chamber. The gas injection pipe has several gas injection holes and a spiral structure. The heating pipe is arranged inside the activated water generation chamber.

[0011] To address the issues of preventing clogging and secondary water pollution in the sprinkler system, the system further includes a sprinkler system comprising water pipes, a water pump, a check valve, a filter, and sprinkler heads. The inlet end of the water pipe extends into the activated water generating tank, and the outlet end of the water pipe is located outside the activated water generating tank. The sprinkler heads are installed on the outlet end of the water pipe. The water pump, check valve, and filter are arranged sequentially and at intervals along the water pipe from the inlet end to the outlet end.

[0012] To address the issue of real-time monitoring of the safety of activated water, the plasma activated water generating device further includes a monitoring system. The monitoring system comprises a display screen, a buzzer, a microcontroller, a signal converter, a pH sensor, and a temperature sensor. The detection ends of the pH sensor and the temperature sensor are located inside the activated water generating chamber. The microcontroller is connected to the pH sensor and the temperature sensor via the signal converter. The buzzer is connected to the microcontroller, and the display screen is also connected to the microcontroller. An alarm indicator light is installed on the display screen.

[0013] The beneficial effects of this invention are as follows: The plasma-activated water generating device for pet cleaning and care provided by this invention generates plasma-activated water using water and air as raw materials. It is rich in active substances such as active oxygen and hydrogen peroxide, and has highly efficient sterilization and decontamination capabilities. It can quickly remove bacteria, fungi, and viruses from pet fur, ensuring thorough cleaning. At the same time, its production process does not require the addition of chemical cleaning agents, and it does not irritate pet skin and fur during cleaning. It avoids allergies or other health problems that may be caused by traditional cleaning agents, making it safer and suitable for long-term use. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the structure of the present invention.

[0016] In the figure: 1. Plasma gas generation system, 11. Oscilloscope, 12. DBD generator, 13. Gas production chamber, 14. Discharge electrode, 15. Receiving electrode, 16. Air pump, 17. Mass flow controller, 18. Air compressor, 19. Dielectric barrier layer, 110. Insulating guide plate, 1101. Connecting part, 1102. Diffusion part, 111. Porous dielectric layer; 2. Plasma activated water generation system, 21. Activated water generation box, 22. Heating tube, 23. Water inlet pipe, 24. Air injection pipe, 241. Air injection hole; 3. Sprinkler system; 31. Water pipe; 32. Water pump; 33. Check valve; 34. Filter; 35. Sprinkler head; 4. Monitoring system; 41. Display screen; 42. Buzzer; 43. Microcontroller; 44. Signal converter; 45. pH sensor; 46. Temperature sensor. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0018] like Figure 1 This is a schematic diagram of the structure of the present invention, a plasma-activated water generating device for pet cleaning and care, comprising: Plasma gas generation system 1 is used to generate plasma gas. The plasma gas generation system 1 includes an oscilloscope 11, a DBD generator 12, a gas production chamber 13, a discharge electrode 14, and a receiving electrode 15. The discharge electrode 14 and the receiving electrode 15 are arranged inside the gas production chamber 13 and are spaced apart. The output terminal of the oscilloscope 11 is connected to the input terminal of the DBD generator 12. The high voltage output terminal of the DBD generator 12 is connected to the discharge electrode 14. The receiving electrode 15 is grounded. The DBD generator 12 drives the discharge electrode 14 and the grounded receiving electrode 15 to generate uniform plasma. The pipelines for gas, activated water, and spray are directly connected to reduce the attenuation of active ingredients. The grounding design avoids the risk of high voltage leakage. The discharge electrode 14 is a rectangular copper plate with a length of 0.08-0.15m, a width of 0.04-0.1m, and a thickness of 0.5-2mm. The receiving electrode 15 is a rectangular copper plate connected to the ground wire via a wire. The plate has a length of 0.08-0.15m, a width of 0.04-0.1m, and a thickness of 0.5-2mm. The discharge electrode 14 / receiving electrode 15 is connected and fixed to the gas production chamber 13 via a fixed electrode holder made of polytetrafluoroethylene.

[0019] Plasma-activated water generation system 2 is used to produce plasma-activated water. The plasma gas prepared by plasma gas generation system 1 is input into plasma-activated water generation system 2. Plasma gas generation system 1 includes an air pump 16, a mass flow controller 17, and an air compressor 18. The air compressor 18 is fixedly connected to the inner top surface of the gas production chamber 13. The output end of the air pump 16 is connected to the input end of the air compressor 18. The mass flow controller 17 is arranged on the connecting pipeline between the air pump 16 and the air compressor 18. The mass flow controller 17 stabilizes the gas flow rate, the air compressor 18 improves the discharge efficiency, and the air pump 16 provides a continuous gas source to avoid discharge interruption caused by gas pressure fluctuations.

[0020] A dielectric barrier layer 19 is installed on both the end face of the discharge electrode 14 near the receiving electrode 15 and the end face of the receiving electrode 15 near the discharge electrode 14. The dielectric barrier layer 15 and the insulating current guide plate 110 structure suppress arc discharge. The dielectric barrier layer 19 limits the discharge to a micro-current mode, suppresses electrode metal evaporation, and reduces ozone oxidation and corrosion of the electrode. The dielectric barrier layer 15 is 0.04m longer than the copper rectangular plate used as the electrode.

[0021] An insulating guide plate 110 is arranged between the discharge electrode 14 and the receiving electrode 15. The insulating guide plate 110 includes a connecting part 1101 and a diffusion part 1102. The connecting part 1101 has a columnar structure and is located above the diffusion part 1102. The diffusion part 1102 has a conical structure that expands from top to bottom and outward. The conical diffusion part 1102 guides the gas to be radially and uniformly dispersed, while the columnar connecting part 1101 maintains the axial stability of the airflow and improves the plasma uniformity. The bottom corner of the diffuser 1102 is 85°, the height of the diffuser 1102 is 0.1-0.15m, the included angle between the connecting part 1101 and the diffuser 1102 is 175°, the fillet of the connecting part between the two is 10°, the fillet radius is 0.03m, the height of the connecting part 1101 is 0.05-0.1m, and the width is 0.01-0.03m.

[0022] The discharge gap between the discharge electrode 14 and the receiving electrode 15 is 2-6 mm, and the effective discharge radius is 0.065-0.12 m. To optimize the discharge characteristics and prevent breakdown between the electrodes, an insulating guide plate 110 made of PTFE material is placed in the discharge area between the discharge electrode 14 and the receiving electrode 15.

[0023] A porous dielectric layer 111 is installed inside the gas production chamber 13. The porous dielectric layer 111 is located below the discharge electrode 14. The design of the spiral gas injection pipe 24 and the porous dielectric layer 111 increases the gas-liquid contact area and residence time. The porous dielectric layer 111 breaks the gas into microbubbles, increases the gas-liquid contact area, prolongs the gas residence time, and improves the water solubility of active ingredients. The porous dielectric layer 111 is made of quartz and has a thickness of 2-6 mm. The height difference between the bottom of the insulating guide plate 110 and the bottom of the dielectric barrier layer 19 is 0.04-0.08 m.

[0024] And a spray system 3, which is used to spray out the plasma-activated water prepared by the plasma-activated water generation system 2, with the input end of the spray system 3 connected to the output end of the plasma-activated water generation system 2.

[0025] The plasma activated water generation system 2 includes an activated water generation chamber 21, a heating pipe 22, a water inlet pipe 3123, and a gas injection pipe 24. The water inlet pipe 3123 is installed on the upper part of the activated water generation chamber 21. The input end of the gas injection pipe 24 is connected to the gas production chamber 13. The gas injection pipe 24 has several gas injection holes 241 and has a spiral structure. The heating pipe 22 is arranged inside the activated water generation chamber 21. The spiral gas injection pipe 24 increases the gas movement path, and the gas injection holes 241 realize multi-point injection. The heating pipe 22 maintains the optimal reaction temperature of 35-39℃, promoting the dissolution and release of active oxygen species.

[0026] The activated water generating tank 21 is made of stainless steel, with a water capacity of 30-80L, a length of 0.4-0.6m, a width of 0.3-0.5m, and a height of 0.3-0.6m. The heating element 22 is also made of stainless steel, with a U-shaped cylindrical structure, a diameter of 0.02-0.04m, and a total length of 0.45-0.65m. The outer surface of the heating element 22 is coated with epoxy resin, and the interior contains a nickel-chromium alloy heating wire with a heating power between 1000-4500W. The spray system 3 includes a water pipe 31, a water pump 32, a check valve 33, a filter 34, and a nozzle 35. The inlet end of the water pipe 31 extends into the activated water generating tank 21, and the outlet end of the water pipe 31 is located outside the activated water generating tank 21. The nozzle 35 is installed on the outlet end of the water pipe 31. The water pump 32, the check valve 33, and the filter 34 are arranged sequentially and at intervals along the water pipe 31 from the inlet end to the outlet end. The filter 34 traps solid impurities, the check valve 33 prevents sewage backflow, and the water pump 32 provides stable water pressure to ensure atomization effect. The flow rate of the water pump 32 is between 3-10 L / min, and the power is between 15W-100W.

[0027] The nozzle 35 has a circular, bowl-shaped structure with an outer diameter of 0.06-0.1m. This nozzle combines clear water spray, skin massage, and noise and vibration reduction functions. The outer shell is made of silicone, approximately 1.5-3mm thick, providing excellent cushioning and a soft touch. During spraying, it significantly reduces noise and vibration from water impact, preventing discomfort or resistance in pets due to sound or stimulation. The nozzle 35 features a central, flat water outlet plate with multiple rows of radially arranged small water outlets, each 0.8-1mm in diameter, totaling 50-120 outlets with a spacing of 2.5-4mm. This perforation pattern ensures even spray coverage and gentle water pressure, facilitating cleaning without irritating the pet's skin. Massage columns are arranged in a ring around the center of the nozzle; for optimal massage effect, the tops of the massage columns have a hemispherical, obtuse angle design. Multiple ring-shaped massage columns, numbering 8-16 in total, surround the central water outlet. These columns are 5-10mm in diameter and 10-20mm in height, protruding approximately 2mm above the outer spherical shell to ensure clear contact and a prominent structure. The tops of the massage columns are hemispherical with obtuse angles, better conforming to the pet's skin and hair growth direction, preventing scratches or irritation. To achieve effective support without causing stinging, each massage column is encased in a dual-layer structure. The inner skeleton is made of polypropylene (PP) or polycarbonate (PC), providing sufficient support rigidity and morphological stability; the outer layer is made of thermoplastic rubber (TPR) or silicone, achieving high bonding strength through a secondary injection molding process, resulting in a soft, skin-friendly surface with good fatigue resistance. This dual-layer structure allows the massage columns to gently oscillate or vibrate under water flow impact or pressure, further enhancing the soothing massage experience and effectively reducing stress during pet grooming. The plasma-activated water generating device also includes a monitoring system 4, which includes a display screen 41, a buzzer 42, a microcontroller 43, a signal converter 44, a pH sensor 45, and a temperature sensor 46. The detection ends of the pH sensor 45 and the temperature sensor 46 are located inside the activated water generating chamber 21. The microcontroller 43 is connected to the pH sensor 45 and the temperature sensor 46 through the signal converter 44. The buzzer 42 is connected to the microcontroller 43, and the display screen 41 is connected to the microcontroller 43. An alarm indicator light is installed on the display screen 41. The pH sensor 45, the temperature sensor 46, and the microcontroller 43 trigger an alarm to prevent corrosive or high-temperature water spray. The check valve 33 and the filter 34 prevent pipe blockage.

[0028] Work process: Plasma gas production: gas pump 16 supplies gas, mass flow controller 17 stabilizes pressure, air compressor 18 boosts the input gas production chamber 13, DBD generator 12 outputs high frequency and high voltage, low temperature plasma is generated between discharge electrode 14 and grounded receiving electrode 15, gas diffuses evenly through insulating guide plate 110, and passes through porous medium layer 111 to refine bubbles. The gas input through the air compressor 18 needs to pass through the discharge electrode 14 and the receiving electrode 15. The power supply system, consisting of a high-voltage AC power supply, a voltage regulator and an oscilloscope 11, supplies electrical energy to ionize the gas between the electrodes to form a low-temperature plasma. The discharge voltage of the high-voltage AC power supply is adjustable from 0 to 35KV and the frequency is adjustable from 1KHz to 100KHz. Activated water production: Plasma gas is injected into the activated water tank 21 through the injection hole 241 via the spiral injection pipe 24. It mixes and reacts with the water injected through the water inlet pipe 23 at a temperature of 35-37°C maintained by the heating pipe 22 to generate activated water containing active oxygen species. The activated water contains active particles such as hydrogen peroxide, nitrate, and peroxynitrite. The water pump 32 draws activated water, which is prevented from flowing back by the check valve 33, impurities are removed by the filter 34, and the nozzle 35 atomizes and sprays the water. The temperature sensor 46 and pH sensor 45 monitor the water in real time. In case of an abnormality, the microcontroller 43 triggers the buzzer 42 to sound an alarm and illuminates the indicator light. If the temperature exceeds 39°C or the pH value is below 5.6, the microcontroller 43 will trigger an alarm mechanism. When the temperature or pH value is abnormal, the microcontroller 43 will control the indicator light to light up (such as a red light) and activate the buzzer 42 to emit an audible alarm, prompting the operator to handle the situation in time. In addition, the numerical display screen 41 displays the current temperature and pH value in real time, making it convenient for the operator to monitor the operating status of the system.

[0029] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A plasma-activated water generating device for pet cleaning and grooming, characterized in that, include: A plasma gas generating system (1) is used to generate plasma gas. The plasma gas generating system (1) includes an oscilloscope (11), a DBD generator (12), a gas production chamber (13), a discharge electrode (14), and a receiving electrode (15). The discharge electrode (14) and the receiving electrode (15) are arranged inside the gas production chamber (13) and are spaced apart. The output terminal of the oscilloscope (11) is connected to the input terminal of the DBD generator (12). The high voltage output terminal of the DBD generator (12) is connected to the discharge electrode (14). The receiving electrode (15) is grounded. Plasma-activated water generation system (2) is used to produce plasma-activated water, wherein the plasma gas prepared by the plasma gas generation system (1) is input into the plasma-activated water generation system (2); And a spray system (3) for spraying out the plasma-activated water prepared by the plasma-activated water generation system (2), wherein the input end of the spray system (3) is connected to the output end of the plasma-activated water generation system (2).

2. The plasma-activated water generating device for pet cleaning and grooming as described in claim 1, characterized in that: The plasma gas generation system (1) includes an air pump (16), a mass flow controller (17), and an air compressor (18). The air compressor (18) is fixedly connected to the inner top surface of the gas production chamber (13). The output end of the air pump (16) is connected to the input end of the air compressor (18). The mass flow controller (17) is arranged on the connecting pipeline between the air pump (16) and the air compressor (18).

3. The plasma-activated water generating device for pet cleaning and grooming as described in claim 1, characterized in that: A dielectric barrier layer (19) is installed on the end face of the discharge electrode (14) near the receiving electrode (15) and on the end face of the receiving electrode (15) near the discharge electrode (14).

4. The plasma-activated water generating device for pet cleaning and grooming as described in claim 1, characterized in that: An insulating guide plate (110) is arranged between the discharge electrode (14) and the receiving electrode (15). The insulating guide plate (110) includes a connecting part (1101) and a diffusion part (1102). The connecting part (1101) has a columnar structure and is located above the diffusion part (1102). The diffusion part (1102) has a conical structure that expands outward from top to bottom.

5. The plasma-activated water generating device for pet cleaning and grooming as described in claim 1, characterized in that: A porous dielectric layer (111) is installed inside the gas production chamber (13), and the porous dielectric layer (111) is located below the discharge electrode (14).

6. The plasma-activated water generating device for pet cleaning and grooming as described in claim 1, characterized in that: The plasma activated water generation system (2) includes an activated water generation box (21), a heating pipe (22), a water inlet pipe (31) (23) and a gas injection pipe (24). The water inlet pipe (31) (23) is installed on the upper part of the activated water generation box (21). The input end of the gas injection pipe (24) is connected to the gas production box (13). The gas injection pipe (24) has several gas injection holes (241). The gas injection pipe (24) has a spiral structure. The heating pipe (22) is arranged inside the activated water generation box (21).

7. The plasma-activated water generating device for pet cleaning and grooming as described in claim 6, characterized in that: The spray system (3) includes a water pipe (31), a water pump (32), a check valve (33), a filter (34), and a nozzle (35). The input end of the water pipe (31) extends into the activated water generating tank (21), and the output end of the water pipe (31) is located outside the activated water generating tank (21). The nozzle (35) is installed on the output end of the water pipe (31). The water pump (32), the check valve (33), and the filter (34) are arranged sequentially and at intervals along the water pipe (31) from the input end to the output end.

8. The plasma-activated water generating device for pet cleaning and care as described in claim 6, characterized in that: The plasma activated water generating device also includes a monitoring system (4), which includes a display screen (41), a buzzer (42), a microcontroller (43), a signal converter (44), a pH sensor (45), and a temperature sensor (46). The detection ends of the pH sensor (45) and the temperature sensor (46) are located inside the activated water generating chamber (21). The microcontroller (43) is connected to the pH sensor (45) and the temperature sensor (46) through the signal converter (44). The buzzer (42) is connected to the microcontroller (43). The display screen (41) is connected to the microcontroller (43). An alarm indicator light is installed on the display screen (41).

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