Electrolytic water preparation device for laundry washing and sterilization

Abstract

The present application relates to the technical fields of electrolysis water preparation, and discloses an electrolysis water preparation device for clothes washing and sterilization and disinfection, which comprises a shell, a flow follow-up assembly, a variable-area electrolysis assembly and a quality separation output assembly. A pressure follower is displaced under the action of water inlet pressure difference, and drives an insulating shielding member to move axially through a transmission rod, so that the effective electrolysis area of an anode cylinder and a cathode cylinder changes with flow; the same transmission rod drives a compensation valve core through a reversing linkage, to adjust the compensation amount of cathode water entering the anode water side. A scraping and washing lip at the end of the insulating shielding member cleans electrode attachments when reciprocating, the cathode water main body is used for clothes washing, the anode water and part of the cathode water are mixed and then enter a disinfection water separation area below a separation plate, and are output through a disinfection water interface for sterilization and disinfection. The present application can reduce the electrolysis water concentration drift caused by flow fluctuation, and slow down electrode fouling.

Description

Technical Field

[0001] This invention relates to the field of electrolyzed water preparation technology, and in particular to an electrolyzed water preparation device for washing and sterilizing clothing. Background Technology

[0002] Electrolyzed water utilizes the electrolytes contained in water to form treated water with different pH levels, redox properties, and active chlorine content under the action of electrodes. The alkaline electrolyzed water formed on the cathode side can assist in the emulsification of grease stains and the removal of dirt from the surface of fibers, while the electrolyzed water containing hypochlorous acid or hypochlorite formed on the anode side can be used for rinsing clothes, deodorizing, and sterilizing. Therefore, it has certain application value in household laundry equipment, medical linen washing equipment, and public textile disinfection equipment.

[0003] In the prior art, Chinese invention patent application with publication number CN112875809A discloses an "electrolysis device and clothing treatment equipment", which sets up a buffer chamber, an electrolysis chamber and fixed electrolysis electrodes in the housing. It improves the electrolysis effect and the odor problem after long-term shutdown by buffering the water flow and draining residual water. Such devices can complete the basic flow electrolysis process, but the electrode working area and electrolysis flow channel are usually kept fixed. When the washing equipment uses different flow rates during the water injection, water replenishment, rinsing and disinfection stages, or when the flow rate fluctuates due to changes in water supply pressure, the amount of electrolysis obtained by a unit volume of water in the electrolysis chamber is easily changed.

[0004] If the influent flow rate increases while the electrode working area remains unchanged, the time it takes for the water to pass through the electrode area is shortened, and the effective chlorine content or pH of the prepared electrolyzed water may be lower than the set value. If the influent flow rate decreases while the electrode continues to work with the original working area, it may cause excessive electrolysis per unit volume of water, increasing the risk of clothing fading, fiber damage, and high residual active chlorine. Although the current or dilution ratio can be changed using flow sensors, residual chlorine sensors, and electronic regulators, this method requires more detection and control components, and electrode scaling, bubble coverage, and sensor response lag may still cause long-term output drift. Therefore, an electrolyzed water preparation device is needed that can directly use the water flow itself to complete the electrolysis amount matching and synchronize the subsequent acid-base adjustment amount. Summary of the Invention

[0005] The purpose of this invention is to solve the problem that the fixed electrode's effective area is difficult to adapt to the intermittent water supply and flow rate changes in laundry washing equipment, resulting in fluctuations in the electrolysis effect per unit volume of water and the pH of the disinfectant water. The invention provides an electrolytic water preparation device that uses water flow pressure difference as a mechanical driving force and simultaneously adjusts the effective effective area of ​​the electrode and the amount of cathode water to compensate for mixing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an electrolyzed water preparation device for washing and sterilizing clothing, comprising a shell, on which a water inlet and a water outlet assembly are provided, the water outlet assembly including a washing water inlet and a disinfection water inlet; the device further includes a flow follower assembly disposed downstream of the water inlet, a variable area electrolysis assembly disposed within the shell, and a fractional output assembly disposed downstream of the variable area electrolysis assembly; the flow follower assembly has a pressure-driven follower element whose displacement changes with the water flow rate, driven by the water pressure difference; the variable area electrolysis assembly has mutually insulated components and electrically connected to a DC power supply module via a polarity switching module. The anode and cathode cylinders, along with an insulating shielding component capable of moving axially along the anode and cathode cylinders, are equipped with a pressure follower that drives the insulating shielding component to move via a transmission rod, so that the effective electrolysis areas of the corresponding anode and cathode cylinders increase with the increase of the inlet water flow rate. The fractional output component has an anode outlet channel connected to the anode side and a proportional mixing chamber. The cathode outlet channel on the cathode side forms a main branch leading to the washing water interface and a compensation branch leading to the proportional mixing chamber via a compensation throttling port. The compensation valve core is linked to the transmission rod via a reversing linkage component and is used to change the flow area of ​​the compensation throttling port to synchronously adjust the effective area of ​​the electrode and the compensation mixing amount of the cathode water.

[0007] Preferably, the flow follower assembly includes a follower cavity formed in the housing, a conical metering sleeve fixedly disposed in the follower cavity, and a pressure follower slidably disposed in the conical metering sleeve. The conical metering sleeve has an inner conical surface that gradually expands in the downstream direction. The pressure follower has a conical metering section that extends into the conical metering sleeve and cooperates with the inner conical surface. An annular metering gap is formed between the conical metering section and the inner conical surface for water supply flow. The effective flow area of ​​the annular metering gap increases as the pressure follower moves downstream. A return spring is provided on the side of the pressure follower away from the water inlet.

[0008] Preferably, the insulating shielding component includes an inner shielding cylinder sleeved on the outside of the anode cylinder and an outer shielding cylinder sleeved on the inside of the cathode cylinder. The inner shielding cylinder and the outer shielding cylinder are connected to each other at the end near the pressure follower. The transmission rod is connected to the inner shielding cylinder and the outer shielding cylinder respectively through a connecting plate and a radial connecting arm, and the two move synchronously under the drive of the transmission rod, so that the anode cylinder and the cathode cylinder expose an electrolytic action zone of corresponding length along the axial direction.

[0009] Preferably, the variable area electrolysis assembly includes an electrolysis shell fixed inside the shell, an anode cylinder located in the middle of the electrolysis shell, a cathode cylinder arranged around the anode cylinder, and an ion separator cylinder arranged between the anode cylinder and the cathode cylinder. The ion separator cylinder divides the interior of the electrolysis shell to form an anode flow channel and a cathode flow channel. The anode flow channel is connected to the anode liquid outlet channel, and the cathode flow channel is connected to the cathode liquid outlet channel.

[0010] Preferably, the end of the inner shielding cylinder away from the pressure follower is provided with a scraping lip that elastically abuts against the outer surface of the anode cylinder, and the end of the outer shielding cylinder away from the pressure follower is provided with a scraping lip that elastically abuts against the inner surface of the cathode cylinder. The scraping lip is used to scrape off the deposits on the surfaces of the anode cylinder and the cathode cylinder when the insulating shielding component moves back and forth with the change of the water flow rate.

[0011] Preferably, the cathode outlet channel forms a main branch and a compensation branch. The main branch is connected to the washing water interface, and the compensation branch is connected to the proportional mixing chamber through the compensation throttling orifice. The anode outlet channel is directly connected to the proportional mixing chamber. The compensation valve core is located at the compensation throttling orifice and is connected to the transmission rod through a reversing linkage to convert the axial displacement of the transmission rod into the valve port adjustment displacement of the compensation valve core.

[0012] Preferably, the fractional output component is provided with an isolation plate, which divides the interior of the fractional output component into a washing water separation zone and a disinfection water separation zone that are separated from each other. The main branch of the cathode outlet channel is connected to the washing water separation zone, the outlet of the proportioning mixing chamber is connected to the disinfection water separation zone, the washing water separation zone is connected to the washing water interface, the disinfection water separation zone is connected to the disinfection water interface, and a hydrophobic venting device is provided on the upper part of the fractional output component.

[0013] Preferably, the water inlet is provided with an electrolyte supply component, which includes a storage box for storing chloride electrolyte, an ejector throat formed in the water inlet, and a metering channel connecting the storage box and the ejector throat. The ejector throat forms a negative pressure when water is introduced, and electrolyte that increases with the increase of water flow is introduced through the metering channel.

[0014] Preferably, the DC power supply module is connected to a position detection element triggered by a pressure follower or transmission rod. The position detection element is used to control the DC power supply module to be turned on or off. The polarity switching module is electrically connected between the DC power supply module and the anode and cathode cylinders, and is used to briefly reverse the polarity of the anode and cathode cylinders within a preset maintenance cycle. After the reverse cleaning is completed, the normal working polarity is restored. During the reverse cleaning, the liquid supply to the garment processing equipment is stopped.

[0015] The present invention has the following beneficial effects: 1. This invention utilizes the pressure difference generated when the influent flows through the conical metering sleeve to drive the movement of the pressure-bearing follower. By changing the exposed length of the anode and cathode cylinders through the same transmission rod, the effective electrolysis area increases synchronously when the influent flow rate increases and decreases synchronously when the influent flow rate decreases. From the hydraulic structure level, this makes the electrolysis effect per unit volume of water tend to be stable within the design operating range, reducing the dependence on residual chlorine sensors and high-speed electronic feedback control.

[0016] 2. This invention uses the same transmission rod to drive the insulating shielding component, and then drives the compensation valve core through the reversing linkage component. While changing the effective area of ​​the electrode, it also changes the compensation amount of cathode water entering the proportional mixing chamber, so that the amount of active chlorine generated on the anode side and the amount of acid-base compensation on the cathode side are correlated and regulated. This reduces the fluctuation of effective chlorine content and pH of disinfectant water with the influent flow rate, while taking into account both the sterilization effect on clothing and the requirements for fiber protection.

[0017] 3. The present invention provides scraping lips at the ends of the inner shielding cylinder and the outer shielding cylinder. The insulating shielding component moves along the electrode surface during normal flow changes, start-up and stop, so that the flow adjustment stroke simultaneously forms a mechanical scraping effect on the electrode surface. Combined with periodic polarity switching, it reduces the continuous adhesion of deposits, thereby slowing down the electrolysis efficiency drift caused by scaling and bubble coverage. Attached Figure Description

[0018] To clearly illustrate the structure and working relationship in the embodiments of the present invention, the accompanying drawings used are briefly described below; the drawings are used to explain the technical solutions of the present invention and do not constitute a limitation on the scope of protection.

[0019] Figure 1 A schematic diagram of the overall three-dimensional structure of the water electrolysis preparation device; Figure 2 This is a longitudinal cross-sectional view of the water electrolysis preparation device. Figure 3 A cross-sectional structural diagram of the mechanical linkage under high-flow operating conditions; Figure 4 This is a schematic diagram of the cross-sectional structure of a variable area electrolysis unit. Figure 5 This is a schematic diagram of a partially cut-off three-dimensional structure of a variable area electrolysis unit; Figure 6 This is a cross-sectional view of the fractional output component. Figure 7 This is a schematic diagram showing the operation of the electrolyzed water preparation device after it is connected to the clothing processing equipment.

[0020] The diagram is marked as follows: 1. Housing; 2. Water inlet; 3. Washing water inlet; 4. Disinfectant water inlet; 5. Flow follower assembly; 6. Follower cavity; 7. Conical metering sleeve; 8. Pressure-bearing follower; 9. Return spring; 10. Transmission rod; 11. Variable area electrolysis assembly; 12. Electrolysis housing; 13. Anode cylinder; 14. Cathode cylinder; 15. Ion membrane cylinder; 16. Anode flow channel; 17. Cathode flow channel; 18. Insulating shield; 19. Inner shield 20. Shielding cylinder; 21. Scraping lip; 22. Anode outlet channel; 23. Cathode outlet channel; 24. Separate output assembly; 25. Compensating valve core; 26. Proportional mixing chamber; 27. Compensating throttling port; 28. Isolation plate; 29. ​​Hydrophobic venting component; 30. Electrolyte supply assembly; 31. Liquid storage box; 32. Injector throat; 33. Metering channel; 34. DC power supply module; 35. Polarity switching module. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0022] In the description of this invention, it should be understood that the terms "upstream", "downstream", "inner", "outer", "axial", "radial", etc., indicate the orientation or positional relationship based on the direction of medium flow and the positional relationship shown in the drawings, and are used only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the corresponding structure must have a specific orientation or be installed and operated in a specific orientation.

[0023] like Figures 1 to 7As shown, an electrolyzed water preparation device for washing and sterilizing clothing includes a housing 1, on which a water inlet 2 and a water outlet assembly are provided. The water outlet assembly includes a washing water inlet 3 and a disinfection water inlet 4. The device also includes a flow follower assembly 5 located downstream of the water inlet 2, a variable area electrolysis assembly 11 located inside the housing 1, and a fractional output assembly 24 located downstream of the variable area electrolysis assembly 11. The flow follower assembly 5 has a pressure follower 8 driven by the water flow pressure difference and whose displacement changes with the inlet water flow. The variable area electrolysis assembly 11 has an anode cylinder 13 and a cathode cylinder 14 that are insulated from each other and electrically connected to a DC power supply module 34 via a polarity switching module 35, and a flow path that can flow along the water flow path. The insulating shielding member 18, which moves axially between the anode cylinder 13 and the cathode cylinder 14, is moved by the pressure follower member 8 via the transmission rod 10, so that the effective electrolysis area of ​​the corresponding anode cylinder 13 and cathode cylinder 14 increases with the increase of the inlet water flow rate. The fractional output assembly 24 has an anode outlet channel 22 connected to the anode side and a proportional mixing chamber 26. The cathode outlet channel 23 on the cathode side forms a main branch leading to the washing water interface 3 and a compensation branch leading to the proportional mixing chamber 26 via the compensation throttling port 27. The compensation valve core 25 is linked with the transmission rod 10 via a reversing linkage member and is used to change the flow area of ​​the compensation throttling port 27 to synchronously adjust the effective area of ​​the electrode and the compensation mixing amount of the cathode water. It should be noted that "disinfection and washing" as referred to in this article includes stain removal washing of clothes and cleaning treatment in conjunction with sterilization and disinfection.

[0024] The housing 1 is preferably configured as a cylindrical or rectangular sealed structure extending along the water flow direction. The water inlet 2 is located at the upstream end of the housing 1, and the washing water inlet 3 and the disinfection water inlet 4 are located at the downstream end of the housing 1, so that the raw water passes sequentially through the electrolyte supply component 30, the flow follower component 5, the variable area electrolysis component 11, and the fractional output component 24. The housing 1 can be made of polypropylene, polyvinylidene fluoride, reinforced polyamide, or other chlorine-resistant, corrosion-resistant, and insulating materials. The flow follower component 5 is located on the water inlet side of the variable area electrolysis component 11. The pressure-bearing follower 8 can convert the change in water inlet flow rate into axial displacement. The transmission rod 10 extends along the axial direction of the housing 1 and transmits this displacement. The effective electrolysis area refers to the area where the anode cylinder 13 and cathode cylinder 14 simultaneously contact the electrolyte in the corresponding flow channel and can form a relative electrolysis effect. When the electrode length covered by the insulating shield 18 decreases, the effective electrolysis area increases; when the electrode length covered by the insulating shield 18 increases, the effective electrolysis area decreases. Since the DC power supply module 34 adopts constant voltage or basically constant voltage output, when the electrolyte concentration and inter-electrode distance are kept within the set range, the electrolysis current can increase accordingly with the increase of the effective electrolysis area. Therefore, the mechanical structure can be used to match the trend of electrolysis current change with the trend of influent flow rate change. In the device design, the correspondence between influent flow rate, effective electrode area and cathode water compensation amount is jointly calibrated by the taper of the conical metering sleeve 7, the elastic coefficient of the return spring 9, the effective stroke of the insulating shield 18, and the valve orifice profile of the compensation throttle port 27.

[0025] like Figures 2 to 5As shown, the flow follower assembly 5 includes a follower cavity 6 formed within the housing 1, a conical metering sleeve 7 fixedly disposed within the follower cavity 6, and a pressure-receiving follower 8 slidably disposed within the conical metering sleeve 7. The conical metering sleeve 7 has an inner conical surface that gradually expands in the downstream direction. The pressure-receiving follower 8 has a conical metering section that extends into the conical metering sleeve 7 and cooperates with the inner conical surface. An annular metering gap is formed between the conical metering section and the inner conical surface for water supply flow. The effective flow area of ​​the annular metering gap increases as the pressure-receiving follower 8 moves downstream. A return spring 9 is provided on the side of the pressure-receiving follower 8 away from the water inlet 2. The insulating shielding component 18 includes an inner shielding cylinder 19 sleeved on the outside of the anode cylinder 13 and an outer shielding cylinder 20 sleeved on the inside of the cathode cylinder 14. The inner shielding cylinder 19 and the outer shielding cylinder 20 are connected to each other at the end near the pressure follower 8. The transmission rod 10 is connected to the inner shielding cylinder 19 and the outer shielding cylinder 20 respectively through the connecting plate and the radial connecting arm, and the two move synchronously under the drive of the transmission rod 10. The variable area electrolysis assembly 11 includes an electrolysis shell 12, an anode cylinder 13, a cathode cylinder 14 and an ion membrane cylinder 15, which are formed in the radial direction from the inside to the outside in sequence: anode cylinder 13, inner shielding cylinder 19, anode flow channel 16, ion membrane cylinder 15, cathode flow channel 17, outer shielding cylinder 20, cathode cylinder 14 and electrolysis shell 12. The scraping lip 21 at the end of the inner shielding cylinder 19 elastically abuts against the outer surface of the anode cylinder 13, and the scraping lip 21 at the end of the outer shielding cylinder 20 elastically abuts against the inner surface of the cathode cylinder 14. Figure 3 The high flow rate working state is shown only with solid lines, and the movement direction of the inner shielding cylinder 19, outer shielding cylinder 20 and scraping lip 21 is indicated by axial movement arrows; when the flow rate is low or the water supply is interrupted, the inner shielding cylinder 19, outer shielding cylinder 20 and scraping lip 21 return to the starting position in the opposite direction under the action of the return spring 9.

[0026] The inner diameter of the follower cavity 6 can be set to 20 to 60 mm. The pressure-bearing follower 8 can be configured as a flow float with a conical metering section and a central connecting hole. An annular metering gap is formed between the outer periphery of the pressure-bearing follower 8 and the conical metering sleeve 7. The conical metering sleeve 7 gradually expands in diameter along the downstream direction, and its single-sided cone angle can be set to 1 to 5 degrees. The effective stroke of the pressure-bearing follower 8 can be set to 8 to 40 mm. The return spring 9 is sleeved on the outside of the transmission rod 10 or set between the pressure-bearing follower 8 and the downstream end wall of the follower cavity 6. By selecting the conical metering section... The taper of sleeve 7, the pressure-bearing area of ​​the pressure-bearing follower 8, and the elastic coefficient of the return spring 9 allow the axial displacement of the pressure-bearing follower 8 to correspond to a predetermined working flow range. For example, within a water flow range of two to fifteen liters per minute, the insulating shielding member 18 can be gradually moved from the maximum shielding position to the minimum shielding position. The anode cylinder 13 is preferably a titanium cylinder with a ruthenium-iridium oxide catalytic coating on its surface. The cathode cylinder 14 can be made of titanium, stainless steel, or nickel-based corrosion-resistant materials. The ion exchange membrane cylinder 15 can be formed by rolling a cation exchange membrane. The anode cylinder 13, ion membrane cylinder 15, and cathode cylinder 14 are coaxially arranged so that the anode flow channel 16 and cathode flow channel 17 form an annular flow channel with a basically constant thickness. The inner shielding cylinder 19 and the outer shielding cylinder 20 are made of polytetrafluoroethylene, polyvinylidene fluoride, or polyetheretherketone insulating material. They are connected by an annular connection outside the upstream end of the ion membrane cylinder 15, thereby avoiding passing through the ion membrane cylinder 15. The inner shielding cylinder 19 and the outer shielding cylinder 20 are respectively located between the corresponding electrode and the ion membrane cylinder 15 and maintain a sliding contact with the ion membrane cylinder 15. The moving gap ensures that the fixed inter-electrode distance between the anode cylinder 13, cathode cylinder 14, and ion membrane cylinder 15 remains unchanged during movement; only the axial length in direct contact with the electrolyte changes. The scraping lip 21 can be made of flexible polytetrafluoroethylene, silicone rubber, or chlorine-resistant elastic composite material, and contacts the corresponding electrode surface with a preload of 0.05 to 0.3 mm. This allows the insulating shield 18 to gently scrape the electrode surface during water flow initiation, flow rate changes, and water stoppage reset without significantly damaging the anode catalytic coating. During design, the hydraulic driving force on the pressure-driven follower 8 should be greater than the sum of the spring force of the return spring 9, the frictional force of the scraping lip 21, the sealing frictional force, and the resistance of the reversing linkage, with sufficient operating margin to ensure reliable reciprocating motion of the flow follower assembly 5.

[0027] like Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, the cathode outlet channel 23 forms a main branch and a compensation branch. The main branch is connected to the washing water interface 3, and the compensation branch is connected to the proportional mixing chamber 26 via the compensation throttling port 27. The anode outlet channel 22 is directly connected to the proportional mixing chamber 26. The compensation valve core 25 is located at the compensation throttling port 27. The reversing linkage includes an input connection part connected to the transmission rod 10, a rocker arm rotatably mounted on the fractional output assembly 24, and an output connection part connected to the compensation valve core 25. The input connection part is hinged to one end of the rocker arm, and the other end of the rocker arm is hinged to the output connection part, so as to convert the axial displacement of the transmission rod 10 into the axial displacement of the compensation valve core 25 along the axis of the compensation throttling port 27. The valve port is adjusted for displacement; an isolation plate 28 is installed inside the fractional output component 24, which divides the interior of the fractional output component 24 into a washing water separation zone and a disinfection water separation zone that are separated from each other. The main branch of the cathode outlet channel 23 is connected to the washing water separation zone, the outlet of the proportioning mixing chamber 26 is connected to the disinfection water separation zone, the washing water separation zone is connected to the washing water interface 3, and the disinfection water separation zone is connected to the disinfection water interface 4. A hydrophobic venting device 29 is installed on the upper part of the fractional output component 24, which is connected to the gas phase space of the washing water separation zone; the disinfection water separation zone does not have a separate venting channel, and the entrained gas is discharged with the disinfection water through the disinfection water interface 4. An electrolyte supply component 30 is installed on the water inlet interface 2. The electrolyte supply component 30 includes a storage box 31, an ejector throat 32, and a metering channel 33. When water is introduced, the ejector throat 32 forms a negative pressure and introduces electrolyte that increases with the increase of the water flow rate through the metering channel 33.

[0028] When the raw water passes through the ejector throat 32, the flow velocity increases and a local negative pressure is formed, causing the chloride electrolyte in the storage box 31 to enter the inlet port 2 through the metering channel 33. The metering channel 33 can be a fixed-diameter capillary tube, a replaceable throttling core, or a micro throttling channel with an adjusting screw sleeve. The storage box 31 can store a sodium chloride solution, potassium chloride solution, or a mixture of both with a mass concentration of 5% to 20%. By adjusting the size of the ejector throat 32 and the metering channel 33, the chloride concentration in the mixed water entering the variable area electrolysis unit 11 is preferably maintained at a certain mass concentration. The amount is 0.05% to 0.3%. After entering the electrolytic shell 12, the mixed water flows into the anode channel 16 and the cathode channel 17 respectively. Chloride ions in the anode channel 16 form anolyte containing active chlorine components under the action of the anode cylinder 13. Water in the cathode channel 17 forms alkaline cathode water with a higher pH value under the action of the cathode cylinder 14. The main body of the cathode water is output through the cathode outlet channel 23, the washing water separation zone and the washing water interface 3 and used for pre-washing or main washing of clothes. Anode water enters the proportioning mixing chamber 26 through the anode outlet channel 22. At the same time, a portion of the cathode water is compensated. The throttling orifice 27 enters the proportional mixing chamber 26 to compensate for the acid and alkali levels of the anolyte. The compensation valve core 25 can be configured as a plunger structure with a conical metering section or an axial metering groove. When the transmission rod 10 moves the compensation valve core 25 via the reversing linkage, the flow area of ​​the compensation throttling orifice 27 increases or decreases synchronously with the effective area of ​​the electrode. Thus, as the amount of active chlorine generated on the anode side increases with the increase in flow rate, the amount of catholyte water compensation increases synchronously. The proportional mixing chamber 26 can be equipped with spiral guide ribs or staggered guide vanes that are not individually numbered to promote uniform mixing of the two water streams. The mixed disinfectant water... The pH value can be adjusted according to the type of clothing, applicable disinfection standards, and usage requirements. For example, the effective chlorine concentration can be controlled between 6.0 and 7.5 and between 10 and 100 mg / L. This range is only an example of implementation parameters. The disinfectant then enters the disinfectant water separation zone below the isolation plate 28 and is output from the disinfectant water interface 4. In this embodiment, the hydrophobic venting device 29 is connected to the gas phase space of the washing water separation zone above the isolation plate 28 and prevents liquid from overflowing from the venting position. The disinfectant water separation zone does not have a separate venting channel. The entrained gas is discharged from the disinfectant water interface 4 along with the disinfectant water.

[0029] like Figure 1 and Figure 7 As shown, the DC power supply module 34 is electrically connected to the anode cylinder 13 and the cathode cylinder 14 respectively through the polarity switching module 35. The DC power supply module 34 is connected to a position detection element triggered by the pressure follower 8 or the transmission rod 10. The position detection element is used to control the DC power supply module 34 to be turned on or off. The polarity switching module 35 is used to briefly reverse the polarity of the anode cylinder 13 and the cathode cylinder 14 within a preset maintenance cycle, and restore the normal working polarity after the reverse cleaning is completed.

[0030] The DC power supply module 34 may include a rectifier step-down power supply disposed on the outside of the housing 1 and a position detection part disposed at the starting position of the pressure follower 8. The position detection part may adopt a sealed magnetic switch, a Hall effect detection structure, or a waterproof micro-motion structure triggered by the transmission rod 10. When no water enters or the water flow rate is lower than the starting value, the reset spring 9 keeps the pressure follower 8 in the starting position, and the insulating shield 18 shields most of the working area of ​​the anode cylinder 13 and the cathode cylinder 14. At the same time, the DC power supply module 34 stops supplying power. When the water flow pushes the pressure follower 8 away from the starting position, the DC power supply module 34 is turned on and supplies power to the anode cylinder 13 and the cathode cylinder 14 with a set voltage. The polarity switching module 35 may enter a short-term reverse cleaning mode according to the cumulative working time, cumulative water volume, or preset number of washes, so that the original cathode area forms an acidic environment during the reverse cleaning to promote the loosening of inorganic deposits. During the reverse cleaning, the fractional output component 24 stops supplying liquid to the garment processing equipment and discharges the transition water. After the reverse cleaning is completed, the normal working polarity is restored, thereby avoiding the long-term reversal of the output paths of the anode water and the cathode water.

[0031] During operation, the water supply valve connected to the water inlet 2 is first opened. Raw water flows through the injection throat 32 and is proportionally drawn into the electrolyte in the storage box 31. The mixed water enters the follower chamber 6 and flows through the annular metering gap between the pressurized follower 8 and the conical metering sleeve 7. The water flow creates a pressure difference on both sides of the pressurized follower 8 and pushes the pressurized follower 8 to move against the reset spring 9. After the pressurized follower 8 leaves the starting position, the DC power supply module 34 is turned on. At the same time, the transmission rod 10 drives the insulating shielding part 18 to move in the direction of reducing the shielding amount, so that the anode cylinder 13 and the cathode cylinder 14 expose an effective electrolysis area that matches the current flow rate. Subsequently, the mixed water enters the anode flow channel 16 and the cathode flow channel 17 respectively to form anode water and cathode water. Most of the cathode water is output through the main branch of the cathode outlet channel 23 to the pre-wash or main wash water inlet pipe of the garment processing equipment through the washing water interface 3 to utilize its alkaline properties to assist in stain removal. The anode water enters the proportional mixing chamber 26 directly through the anode outlet channel 22. While adjusting the effective area of ​​the electrode, the moving rod 10 drives the compensation valve core 25 via the reversing linkage, so that a portion of the cathode water matching the current anode water generation enters the proportional mixing chamber 26 through the compensation branch of the cathode outlet channel 23 and the compensation throttling port 27. After the mixed water enters the disinfectant water separation zone below the isolation plate 28, it is output to the rinsing or sterilization inlet pipe of the clothing processing equipment through the disinfectant water interface 4. A small amount of gas entrained in it is discharged along with the disinfectant water. When the water supply flow increases, the displacement of the pressure follower 8 increases, and the effective area of ​​the electrode and the flow area of ​​the compensation throttling port 27 increase synchronously. When the water supply flow decreases, both decrease synchronously, so that the electrolysis effect and the mixing ratio are linked with the flow rate. When the water supply stops, the reset spring 9 pushes the pressure follower 8 and the insulating shield 18 back to the starting position, the DC power supply module 34 is de-energized, and the scraping lip 21 scrapes the electrode surface again during the reset stroke and carries the loose attached material into the subsequent drainage, completing one water production process.

[0032] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An electrolyzed water preparation device for washing and sterilizing clothing, comprising a housing (1), wherein the housing (1) is provided with a water inlet (2) and a water outlet assembly, wherein the water outlet assembly includes a washing water inlet (3) and a disinfection water inlet (4), characterized in that, The system includes a flow follower component (5) located downstream of the water inlet (2), a variable area electrolysis component (11) located inside the housing (1), and a fractional output component (24) located downstream of the variable area electrolysis component (11). The flow follower component (5) has a pressure follower (8) driven by the water flow pressure difference and whose displacement changes with the water flow rate. The variable area electrolysis component (11) has an anode cylinder (13) and a cathode cylinder (14) that are mutually insulated and electrically connected to a DC power supply module (34) via a polarity switching module (35), and an insulating shield (18) that can move axially along the anode cylinder (13) and the cathode cylinder (14). The pressure follower (8) The transmission rod (10) drives the insulating shield (18) to move so that the effective electrolysis area of ​​the anode cylinder (13) and the cathode cylinder (14) increases with the increase of the inlet water flow rate. The fractional output component (24) has an anode liquid outlet channel (22) connected to the anode side and a proportional mixing chamber (26). The cathode liquid outlet channel (23) on the cathode side forms a main branch leading to the washing water interface (3) and a compensation branch leading to the proportional mixing chamber (26) through the compensation throttling port (27). The compensation valve core (25) is linked with the transmission rod (10) through the reversing linkage and is used to change the flow area of ​​the compensation throttling port (27) to synchronously adjust the effective area of ​​the electrode and the compensation mixing amount of the cathode water.

2. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 1, characterized in that: The flow follower assembly (5) includes a follower cavity (6) formed in the housing (1), a conical metering sleeve (7) fixedly disposed in the follower cavity (6), and a pressure follower (8) slidably disposed in the conical metering sleeve (7). The conical metering sleeve (7) has an inner conical surface that gradually expands in the downstream direction. The pressure follower (8) has a conical metering section that extends into the conical metering sleeve (7) and cooperates with the inner conical surface. An annular metering gap is formed between the conical metering section and the inner conical surface for water to flow through. The effective flow area of ​​the annular metering gap increases as the pressure follower (8) moves downstream. A return spring (9) is provided on the side of the pressure follower (8) away from the water inlet (2).

3. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 2, characterized in that: The insulating shielding component (18) includes an inner shielding cylinder (19) sleeved on the outside of the anode cylinder (13) and an outer shielding cylinder (20) sleeved on the inside of the cathode cylinder (14). The inner shielding cylinder (19) and the outer shielding cylinder (20) are connected to each other at one end near the pressure follower (8). The transmission rod (10) is connected to the inner shielding cylinder (19) and the outer shielding cylinder (20) respectively through a connecting plate and a radial connecting arm. The two move synchronously under the drive of the transmission rod (10) so that the anode cylinder (13) and the cathode cylinder (14) expose electrolysis action zones of corresponding length along the axial direction.

4. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 3, characterized in that: The variable area electrolysis assembly (11) includes an electrolysis shell (12) fixed inside the shell (1), an anode cylinder (13) located in the middle of the electrolysis shell (12), a cathode cylinder (14) arranged around the anode cylinder (13), an ion separator cylinder (15) arranged between the anode cylinder (13) and the cathode cylinder (14), the ion separator cylinder (15) dividing the interior of the electrolysis shell (12) to form an anode flow channel (16) and a cathode flow channel (17), the anode flow channel (16) communicating with the anode liquid outlet channel (22), and the cathode flow channel (17) communicating with the cathode liquid outlet channel (23).

5. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 3, characterized in that: The inner shielding cylinder (19) is provided with a scraping lip (21) that elastically abuts against the outer surface of the anode cylinder (13) at one end away from the pressure follower (8), and the outer shielding cylinder (20) is provided with a scraping lip (21) that elastically abuts against the inner surface of the cathode cylinder (14) at one end away from the pressure follower (8). The scraping lip (21) is used to scrape off the deposits on the surfaces of the anode cylinder (13) and the cathode cylinder (14) when the insulating shielding member (18) moves back and forth with the change of water flow.

6. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 4, characterized in that: The cathode outlet channel (23) forms a main branch and a compensation branch. The main branch is connected to the washing water interface (3). The compensation branch is connected to the proportional mixing chamber (26) via the compensation throttle port (27). The anode outlet channel (22) is directly connected to the proportional mixing chamber (26). The compensation valve core (25) is located at the compensation throttle port (27) and is connected to the transmission rod (10) via a reversing linkage to convert the axial displacement of the transmission rod (10) into the valve port adjustment displacement of the compensation valve core (25).

7. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 1, characterized in that: The fractional output component (24) is provided with an isolation plate (28), which divides the interior of the fractional output component (24) into a washing water separation zone and a disinfection water separation zone that are separated from each other. The main branch of the cathode outlet channel (23) is connected to the washing water separation zone. The outlet of the proportional mixing chamber (26) is connected to the disinfection water separation zone. The washing water separation zone is connected to the washing water interface (3). The disinfection water separation zone is connected to the disinfection water interface (4). The upper part of the fractional output component (24) is provided with a hydrophobic exhaust device (29).

8. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 2, characterized in that: An electrolyte supply component (30) is provided on the water inlet (2). The electrolyte supply component (30) includes a storage box (31) for storing chloride electrolyte, an ejector throat (32) formed in the water inlet (2), and a metering channel (33) connecting the storage box (31) and the ejector throat (32). The ejector throat (32) forms a negative pressure when water is introduced, and the electrolyte increases with the increase of water flow rate through the metering channel (33).

9. The electrolyzed water preparation device for washing and sterilizing clothing according to claim 4, characterized in that: The DC power supply module (34) is connected to a position detection device triggered by a pressure follower (8) or a transmission rod (10). The position detection device is used to control the DC power supply module (34) to be turned on or off. The polarity switching module (35) is electrically connected between the DC power supply module (34) and the anode cylinder (13) and the cathode cylinder (14). It is used to reverse the connection of the anode cylinder (13) and the cathode cylinder (14) for a short time within a preset maintenance cycle. After the reverse cleaning is completed, the normal working polarity is restored. During the reverse cleaning, the liquid supply from the washing water interface (3) and the disinfectant water interface (4) to the clothing processing equipment is stopped.

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