Ozone water generating device, control method and water heater

Abstract

The present application discloses an ozone water generating device, a control method and a water heater, wherein an ozone water generating device comprises: a housing provided with a water inlet and a water outlet; an electrolysis module is provided between the water inlet and the water outlet so that the water flowing through the electrolysis module forms ozone water; a flow sensor for detecting the water flow through the electrolysis module; wherein, according to the signal of the flow sensor, the electrolysis module makes the ozone concentration of the ozone water output from the water outlet be 0.03-0.2ppm; the relationship between the water flow Q detected by the flow sensor and the current I of the electrolysis module is: I takes values ​​between I1 and I2, wherein I1=0.05Q+0.02; I2=0.16Q+1.5. The ozone water generating device and the control method can provide ozone water of suitable concentration suitable for daily use.

Description

Technical Field

[0001] The present application relates to an ozone water generating device, a control method and a water heater. Background Art

[0002] Ozone generators can be used to generate ozone in water. Ozone can perform a sterilization function by killing bacteria and pathogens in water. However, the ozone generated by existing ozone generators is generally suitable for industrial production and difficult to be used in life, which limits the popularity of ozone generators. Summary of the invention

[0003] In view of the above-mentioned deficiencies, an object of the present application is to provide an ozone water generating device, a control method and a water heater, so as to provide ozone water of suitable concentration for daily use.

[0004] In order to achieve the above objectives, this application adopts the following technical solutions:

[0005] An ozone water generating device, comprising:

[0006] A housing provided with a water inlet and a water outlet;

[0007] An electrolysis module is arranged between the water inlet and the water outlet, so that water flowing through the electrolysis module forms ozone water;

[0008] a flow sensor for detecting the flow of water passing through the electrolysis module;

[0009] Among them, according to the signal of the flow sensor, the electrolysis module makes the ozone concentration of the ozone water output from the water outlet be 0.03-0.2ppm; the relationship between the water flow Q detected by the flow sensor and the current I of the electrolysis module is: I takes values ​​between I1 and I2, wherein I1=0.05Q+0.02; I2=0.16Q+1.5.

[0010] As a preferred embodiment, the ozone water generating device is further provided with: a temperature sensor for detecting the temperature of water flowing through the electrolysis module; the electrolysis module makes the ozone concentration of the ozone water output from the water outlet be 0.03-0.2ppm according to the signals of the flow sensor and the temperature sensor.

[0011] As a preferred implementation, when the water inlet temperature is 5-45°C, the current range of the electrolysis module is 0.1-3A and the voltage range is 2-36V.

[0012] As a preferred implementation, when the flow rate detected by the flow sensor is in the range of 1-3L, the current range of the electrolysis module is in the range of 0.1-1.2A.

[0013] As a preferred implementation, when the flow rate detected by the flow sensor is in the range of 3-8L, the current range of the electrolysis module is in the range of 0.4-2.1A.

[0014] As a preferred implementation, when the flow rate detected by the flow sensor is in the range of 8-15L, the current range of the electrolysis module is in the range of 0.7-3A.

[0015] As a preferred implementation, the temperature sensor is disposed upstream of the electrolysis module.

[0016] As a preferred implementation, the flow sensor is disposed upstream of the electrolysis module.

[0017] As a preferred embodiment, the electrolysis module includes: a first electrode, a second electrode, and a proton membrane located between the first electrode and the second electrode.

[0018] As a preferred embodiment, the first electrode and the second electrode have a boron-doped diamond coating.

[0019] As a preferred embodiment, the first electrode, the second electrode, and the proton membrane form an electrode assembly; the electrolysis module also includes a flushing channel located on at least one side of the electrode assembly; when the flushing channel extends from one end to the other end of the electrode assembly, at least part of the water flow flows toward the electrode surface of the electrode assembly.

[0020] As a preferred embodiment, the first electrode, the second electrode, and the proton membrane form an electrode assembly; the electrolysis module also includes a flushing channel located on at least one side of the electrode assembly; the flushing channel has a first position away from the electrode surface in a direction perpendicular to the proton membrane, and a second position contacting the electrode surface; the first position is located upstream of the second position.

[0021] As a preferred embodiment, the electrolysis module is detachably located on the shell.

[0022] As a preferred embodiment, the shell has an electrolytic cell; the electrolytic module is detachably installed in the electrolytic cell.

[0023] As a preferred embodiment, the electrolysis module also includes: a containing chamber communicated with the electrolytic cell; the first electrode, the second electrode and the proton membrane are located in the containing chamber; the first electrode has a first buffer pressing piece on the side facing away from the second electrode; the second electrode has a second buffer pressing piece on the side facing away from the first electrode.

[0024] As a preferred implementation, the first buffer pressing member and the second buffer pressing member are made of rubber.

[0025] As a preferred embodiment, the electrolysis module has an end cover and a tray; the end cover and the tray are covered to form the accommodating chamber;

[0026] The electrolysis module also includes a fixed limiting member; the first electrode and the second electrode are respectively limited on both sides of the fixed limiting member; the first buffer pressing member and the second buffer pressing member are respectively fixed on both sides of the fixed limiting member and respectively press and limit the first electrode and the second electrode.

[0027] As a preferred embodiment, the first electrode, the second electrode, and the proton membrane form an electrode assembly; and the cross-sectional area of ​​the flow channel where the electrode assembly is located is less than 300 square millimeters.

[0028] As a preferred embodiment, the ozone water generating device includes a main body and a command input part for inputting control commands; the shell and the electrolysis module are located in the main body; the command input part is electrically connected or signal-connected to the main body; and the command input part is located outside the main body.

[0029] As a preferred implementation, the instruction input unit includes at least one of a button, a sound input unit, and a touch unit.

[0030] An ozone water generating device comprises: a housing provided with a water inlet and a water outlet; an electrolysis module is provided between the water inlet and the water outlet, so that water flowing through the electrolysis module forms ozone water;

[0031] The electrolysis module comprises an electrode assembly and a flushing channel located at at least one side of the electrode assembly; when the flushing channel extends from one end to the other end of the electrode assembly, at least part of the water flow is directed toward the electrode surface of the electrode assembly.

[0032] An ozone water generating device comprises: a housing provided with a water inlet and a water outlet; an electrolysis module is provided between the water inlet and the water outlet, so that water flowing through the electrolysis module forms ozone water;

[0033] Wherein, the electrolysis module has an electrode assembly and a flushing channel located on at least one side of the electrode assembly; the flushing channel has a first position of the electrode surface away from the flushing channel in a direction perpendicular to the electrode assembly, and a second position contacting the electrode surface; the first position is located upstream of the second position.

[0034] As a preferred embodiment, at least one side of the electrode assembly along the length direction is further provided with a first gap flow channel communicating with the flushing flow channel; the side wall surface of the electrode assembly participates in forming the flow channel wall of the first gap flow channel.

[0035] As a preferred embodiment, at least one side of the electrode assembly along the width direction is further provided with a second gap flow channel communicating with the flushing flow channel; the side wall surface of the electrode assembly participates in forming the flow channel wall of the second gap flow channel.

[0036] As a preferred implementation, the flushing channel is further provided with a turbulent flow structure.

[0037] As a preferred implementation manner, the turbulent structure is arranged opposite to the electrode surface.

[0038] As a preferred embodiment, the turbulent flow structure includes a concave-convex structure arranged on the wall of the scouring channel.

[0039] An ozone water generating device comprises: a shell provided with a water inlet and a water outlet, and an electrolysis module arranged between the water inlet and the water outlet, so that water flowing through the electrolysis module forms ozone water; the electrolysis module comprises: an electrode assembly located in the shell and a buffer pressing member for pressing the electrode assembly to limit the position.

[0040] As a preferred embodiment, the shell has an electrolytic cell; the electrolytic module is detachably installed in the electrolytic cell.

[0041] As a preferred embodiment, the electrolysis module comprises: a containing chamber communicated with the electrolytic cell, and an electrode assembly located in the containing chamber; and a buffer pressing member for pressing and limiting the electrode assembly is provided in the containing chamber.

[0042] As a preferred embodiment, the electrode assembly comprises: a first electrode, a second electrode, and a proton membrane located between the first electrode and the second electrode;

[0043] The buffer pressing member includes: a first buffer pressing member located on a side of the first electrode facing away from the second electrode, and a second buffer pressing member located on a side of the second electrode facing away from the first electrode.

[0044] As a preferred implementation, the first buffer pressing member and the second buffer pressing member are made of rubber.

[0045] As a preferred embodiment, the electrolysis module has an end cover and a tray; the end cover and the tray are covered to form the accommodating chamber;

[0046] The electrolysis module also includes a fixed limiting member; the first electrode and the second electrode are respectively limited on both sides of the fixed limiting member; the first buffer pressing member and the second buffer pressing member are respectively fixed on both sides of the fixed limiting member and respectively press and limit the first electrode and the second electrode.

[0047] As a preferred embodiment, the ozone water generating device is used to be connected upstream of a faucet, or upstream and / or downstream of a water heater.

[0048] As a preferred implementation, the water heater is a small kitchen water heater.

[0049] A water heater, comprising: an ozone water generating device as described in any one of the above.

[0050] A control method for an ozone water generating device, the control method comprising the following steps:

[0051] Obtaining the water flow rate flowing through the electrolysis module;

[0052] When the water flow rate is greater than a predetermined flow rate, a predetermined current is applied to the electrolysis module according to the water flow rate to form ozone water with an ozone concentration of 0.03-0.2ppm; wherein the relationship between the water flow rate Q and the current I applied to the electrolysis module is: I takes values ​​between I1 and I2, wherein I1=0.05Q+0.02; I2=0.16Q+1.2.

[0053] As a preferred embodiment, the method further comprises the following steps: obtaining the temperature of water flowing through the electrolysis module;

[0054] Accordingly, when the water flow rate is greater than the predetermined flow rate, a predetermined current is applied to the electrolysis module according to the water flow rate and the water temperature to form ozone water with an ozone concentration of 0.03-0.2 ppm.

[0055] As a preferred embodiment, when the water temperature is 5-45°C, the current range of the electrolysis module is 0.1-3A and the voltage range is 2-36V.

[0056] As a preferred implementation, when the water flow rate is in the range of 1-3 L, the current applied to the electrolysis module is in the range of 0.1-1.2 A.

[0057] As a preferred implementation, when the water flow rate is in the range of 3-8 L, the current applied to the electrolysis module is in the range of 0.4-2.1 A.

[0058] As a preferred implementation, when the water flow rate is in the range of 8-15 L, the current applied to the electrolysis module is in the range of 0.7-3 A.

[0059] As a preferred implementation, the predetermined flow rate is greater than 0.5 L / min.

[0060] Beneficial effects:

[0061] The ozone water provided by the ozone water generating device provided in this embodiment has an ozone concentration of 0.03-0.2ppm, which not only has a better effect in removing pesticide residues, but also has an appropriate ozone concentration, does not increase safety risks, and is convenient for users to operate safely.

[0062] With reference to the following description and the accompanying drawings, the specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope thereby.

[0063] Features described and / or illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments.

[0064] It should be emphasized that the term “include / comprises” when used herein refers to the presence of features, integers, steps or components, but does not exclude the presence or addition of one or more other features, integers, steps or components. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying creative labor.

[0066] Figure 1 This is a schematic diagram of the structure of an ozone water generating device provided in one embodiment of the present application;

[0067] Figure 2 yes Figure 1 Another view of;

[0068] Figure 3 yes Figure 1 A schematic diagram of the electrode assembly structure;

[0069] Figure 4 yes Figure 1 Schematic diagram of the flow channel;

[0070] Figure 5 is a schematic diagram of a flow path of an ozone water generating device in another embodiment;

[0071] Figure 6is a schematic diagram of a flow path of an ozone water generating device in another embodiment;

[0072] Figure 7 is a schematic diagram of a flow path of an ozone water generating device in another embodiment;

[0073] Figure 8 yes Figure 1 A schematic diagram of the main body is formed;

[0074] Fig. 9 yes Figure 8 A partial schematic diagram of

[0075] Fig.10 yes Fig. 9 Exploded diagram of the electrolysis module. DETAILED DESCRIPTION

[0076] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0077] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be another element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be another element centered thereon at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0078] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0079] Ozone is an allotrope of oxygen and a strong oxidant. It can decay naturally into oxygen at room temperature. The decay period is 15 to 25 minutes. Ozone is quickly converted into "ecological oxygen" in water without any residue. Ozone water destroys the chemical bonds of organic pesticides through strong oxidation, making them lose their medicinal properties, and kills various bacteria and viruses on the surface of food materials. Ozone is 1.5 times more effective in removing bacteria than chlorine, and its sterilization speed is 600-3000 times faster than chlorine.

[0080] Ozone is an efficient and fast pesticide removal agent. It can quickly dissolve pesticide residues in a short time and effectively degrade pesticide residues in rice, vegetables, fruits and melons. It can also quickly eliminate bacteria and viruses and extend the shelf life. Moreover, ozone disinfection takes a short time and does not require cleaning after disinfection. There is no harmful residue or secondary pollution after ozone disinfection. Ozone decomposes into oxygen by itself after disinfection, with no odor or pollution. It is comprehensive, effective and low cost.

[0081] Although ozone has the above advantages, it is very difficult to maintain an appropriate concentration of ozone in water that does not exceed the standard because ozone will escape from the water. Especially considering that ozone is a strong oxidant that can react with almost any biological tissue, it is even more necessary to maintain ozone at an appropriate concentration that does not exceed the standard in domestic water.

[0082] Since ozone is difficult to store, it can only be used as it is produced. The current way of generating ozone is basically to use high-voltage ionization to convert part of the oxygen in the air into ozone. The current way of mixing it into water is basically to first prepare ozone by high-voltage ionization of air, and then send the ozone into the water through an air supply pipe to dissolve. This requires a special and complex dissolved gas structure, a high dissolved gas pressure, and the problem of dealing with undissolved ozone. Taking into account the flow rate of water and the time required for dissolution, the ozone concentration in the current ozone water varies greatly, making it impossible to control the ozone concentration in the water, thereby limiting the further development and application of ozone in daily life.

[0083] Although there are some products that use ozone for sterilization and disinfection, most of them are mixed with ozone before heating. After heating to high temperature, the ozone in the water basically escapes, so the output water basically loses the effect of removing pesticide residues. Accordingly, such products also mainly use ozone for sterilization and disinfection. Even if some products mix ozone into cold water to remove pesticide residues, the inability to control the ozone concentration in the output water limits their further development.

[0084] The ozone concentration can be understood as the content of ozone per unit volume of water. Ozone exists in the form of dissolved in water and / or in the form of bubbles.

[0085] See also Figures 1 to 10 In one embodiment of the present application, an ozone water generating device is provided, comprising: a housing 1 provided with a water inlet 10 and a water outlet 20; an electrolysis module 30 is provided between the water inlet 10 and the water outlet 20, so that water flowing through the electrolysis module 30 forms ozone water.

[0086] Wherein, the ozone water generating device can be used to be connected to the upstream of the faucet, or the upstream and / or downstream of the water heater. The ozone water generating device can also be used as a pesticide residue removal device in daily life. For example, the ozone water generating device is connected to the faucet, and tap water is input into the water inlet 10, so that the user can directly use the ozone water containing the appropriate concentration of ozone through the faucet, which is not only safe to use, but also can be used to wash fruits and vegetables, so as to achieve the purpose of removing pesticide residues. In addition, the ozone water generating device can also be integrated in a water heater.

[0087] Preferably, the water heater can be a small kitchen appliance. The ozone water generating device can be integrated in the small kitchen appliance or connected to the outside of the small kitchen appliance. In the embodiment where the ozone water generating device is integrated or connected to the water heater, the ozone water provided by the ozone water generating device has sterilization or other functions, for example: a function reserved for brushing and cleaning.

[0088] The ozone water generating device may further include a flow sensor 50 for detecting the water flow rate flowing through the electrolysis module 30. According to the signal of the flow sensor 50, the electrolysis module 30 makes the ozone concentration of the ozone water outputted from the water outlet 20 be 0.03-0.2 ppm.

[0089] The ozone water generating device may have a controller, which is connected to the flow sensor 50 and the electrolysis module 30, and controls the current applied to the electrolysis module 30 according to the water flow detected by the flow sensor 50, so that the ozone concentration in the output ozone water is constant, that is, maintained in the range of 0.03-0.2ppm. Among them, the ozone concentration of the ozone water in the range of 0.03-0.2ppm can not only have a better pesticide residue removal effect, but also have a suitable ozone concentration, will not increase safety risks, and is convenient for users to operate safely.

[0090] Considering that when the ozone concentration is too high, it will cause safety risks such as increased escape, and when the ozone concentration is too low, it will not have the effect of removing pesticide residues and sterilizing. In addition, considering that there is no sensor for quickly detecting the ozone concentration in water, in this embodiment, the flow sensor 50 is used to monitor the water flow to apply a suitable current, so as to obtain ozone water of appropriate concentration.

[0091] In order to more accurately control the ozone concentration in the water and obtain ozone water of suitable concentration, the ozone water generating device is further provided with a temperature sensor 40 for detecting the temperature of water flowing through the electrolysis module 30. Accordingly, according to the signal (water flow signal) of the flow sensor 50 and the signal (water temperature signal) of the temperature sensor 40, the electrolysis module 30 makes the ozone concentration of the ozone water outputted from the water outlet 20 be between 0.03-0.2ppm.

[0092] The temperature sensor 40 is disposed upstream of the electrolysis module 30. This can prevent the ozone water from passing through the temperature sensor 40 and damaging the temperature sensor 40. In addition, the flow sensor 50 is disposed upstream of the electrolysis module 30. This can also prevent the ozone water from passing through the flow sensor 50 and damaging the flow sensor 50, thereby ensuring the service life of the flow sensor 50. Of course, in some other embodiments, the temperature sensor 40 and the flow sensor 50 can also be disposed downstream of the electrolysis module 30.

[0093] In this embodiment, in order to output ozone water of suitable concentration, the relationship between the water flow Q detected by the flow sensor 50 and the current I of the electrolysis module 30 is: I takes values ​​between I1 and I2, where I1=0.05Q+0.02; I2=0.16Q+1.5. Based on the relationship between the water flow Q and the current I, the current applied to the electrolysis module 30 can be accurately regulated to obtain ozone water of suitable concentration, which not only has the effect of removing pesticide residues, but also has a low ozone escape rate, ensuring safety in use.

[0094] Specifically, in order to output ozone water of suitable concentration, when the water inlet temperature of the water inlet 10 or the water temperature flowing through the electrolysis module 30 is 5-45°C, the current range of the electrolysis module 30 is 0.1-3A and the voltage range is 2-36V. In the actual control of ozone water generation, when the flow range detected by the flow sensor 50 is 1-3L, the current range of the electrolysis module 30 is 0.1-1.2A. When the flow range detected by the flow sensor 50 is 3-8L, the current range of the electrolysis module 30 is 0.4-2.1A. When the flow range detected by the flow sensor 50 is 8-15L, the current range of the electrolysis module 30 is 0.7-3A.

[0095] Since it is used for household pesticide removal, users have a short time to drain water, and need to ensure continuous use of pesticide-removed water in a short period of time. The ozone water generating device provided in this embodiment generates ozone directly in water by electrolyzing water, and the ozone is quickly carried away by the water flow to avoid aggregation, so that the escape rate is low and ozone water of suitable concentration is generated.

[0096] Specifically, Figure 3 As shown, the electrolysis module 30 includes: a first electrode 332, a second electrode 333, and a proton membrane 331 located between the first electrode 332 and the second electrode 333. The proton membrane 331 is spaced between the first electrode 332 and the second electrode 333 to form an electrode assembly 33 of the electrolysis module 30. In order to enhance the impact on the electrode assembly 33, increase the water flow rate, and ensure the electrolysis ozone effect, the cross-sectional area of ​​the flow channel where the electrode assembly 33 is located is less than 300 square millimeters.

[0097] In this embodiment, the first electrode 332 and the second electrode 333 have a boron-doped diamond coating. The first electrode 332 and the second electrode 333 are BDD electrodes, and the electrode material of the BDD electrode is boron-doped diamond, not a normal oxide electrode, and can be used as a cathode, capable of reverse polarity, avoiding scaling and extending service life.

[0098] like Figure 4 As shown, in one embodiment of the present application, in order to ensure that the water flow can flush the electrode surface 3320, reduce scale accumulation, and ensure the efficiency of electrolytic ozone, the electrolysis module 30 also includes a flushing channel 32 located on at least one side of the electrode assembly 33. Among them, at least one side of the electrode assembly 33 has a flushing channel 32. The flushing channel 32 is located on at least one side of the electrode assembly 33 along a direction F perpendicular to the proton membrane 331. When the flushing channel 32 extends from one end (along the length direction L) of the electrode assembly 33 to the other end, at least part of the water flow is directed toward the electrode surface 3320 of the electrode assembly 33.

[0099] The electrode assembly 33 has two electrode surfaces 3320 facing each other along a direction F perpendicular to the proton membrane 331, wherein one electrode surface 3320 is located on the first electrode 332 and the other electrode surface 3320 is located on the second electrode 333. The electrode surface 3320 of the first electrode 332 and the electrode surface 3320 of the second electrode 333 face each other.

[0100] The flushing channel 32 is located on at least one side of the electrode assembly 33 along a direction F perpendicular to the electrode assembly 33. The electrode assembly 33 has two opposite sides along a direction perpendicular to the electrode assembly 33 or the proton membrane 331. Preferably, both sides of the electrode assembly 33 are flushing channels 32. In order to have a common flushing effect on the first electrode 332 and the second electrode 333, the flushing channels 32 on both sides of the electrode assembly 33 can be symmetrically designed.

[0101] In this embodiment, the first electrode 332, the second electrode 333 and the proton membrane 331 form an electrode assembly 33 of the electrolysis module 30. The electrode assembly 33 is located in the flow channel inside the housing 1, and the wall surface of the electrode assembly 33 facing the flow channel can be a non-planar wall surface, thereby forming a flushing flow channel 32 between the electrode surface 3320. In other embodiments, the electrode surface 3320 can also be a concave-convex surface (for example, having a wavy structure), so as to form a curved flushing flow channel 32 with the flow channel wall, thereby flushing the electrode surface 3320 to prevent scaling.

[0102] In another embodiment, the flushing channel 32 has a first position 321 away from the electrode surface 3320 along a direction F perpendicular to the electrode assembly 33, and a second position 322 contacting the electrode surface 3320. The first position 321 is located upstream of the second position 322.

[0103] When the water flows from the first position 321 to the second position 322, an oblique flow is formed, with part of the flow directed toward the electrode surface 3320, thereby flushing the electrode surface 3320. At the second position 322, the electrode surface 3320 participates in forming the wall of the flushing flow channel 32. Accordingly, in this embodiment, the electrode surface 3320 at the first position 321 does not participate in forming the wall of the flushing flow channel 32, and is isolated by the fixed stopper 34 and away from the electrode assembly 33. In other embodiments, the electrode surface 3320 at the first position 321 may also participate in forming the wall of the flushing flow channel 32, and this application does not make the sole limitation.

[0104] In the embodiment of the present application, the electrode assembly 33 of the electrolysis module 30 is a flat plate structure as a whole, and accordingly, the direction F perpendicular to the electrode assembly 33 can also be a direction perpendicular to the proton membrane 331, and a direction perpendicular to the electrode surface 3320. Among them, the flushing channel 32 can be a curved channel, so that a flow direction for flushing the electrode surface 3320 can be formed. The surface of the flushing channel 32 facing the electrode assembly 33 is a concave-convex surface, and the parts corresponding to the two ends of the electrode assembly 33 are far away from the electrode assembly 33, and the middle part is close to the electrode assembly 33. The electrode assembly 33 has fixed stoppers 34 at both ends along the overall flow direction of the water flow, so as to form a curved channel.

[0105] In order to increase the flushing area of ​​the flow channel, increase more flow-facing surfaces, and provide more comprehensive scale prevention (avoid scaling) for the electrode, the electrode assembly 33 is also provided with a first gap flow channel 371 that is connected to the flushing flow channel 32 on at least one side along the length direction L; the side wall surface of the electrode assembly 33 participates in forming the flow channel wall of the first gap flow channel 371. The upstream end of the first gap flow channel 371 is connected to the same input port as the flushing flow channel 32 (for example, the input port at the upstream end of the electrode assembly 33), and the downstream end of the first gap flow channel 371 is connected to the flushing flow channel 32 and flows out together with the flushing flow channel 32. The electrode assembly 33 has an intermediate flow channel, which can be connected to the first gap flow channel 371, so as to more fully impact the flow-facing surface of the electrode.

[0106] like Figure 6As shown, in one embodiment, the electrode assembly 33 has first gap channels 371 on both sides along its length direction L, and the first gap channels 371 on both sides are symmetrically arranged. Among them, the first conductor 37 is attached to the side where the electrode surface 3320 of the first electrode 332 is located, and conductive contact is made. The long side of the first electrode 332 overlaps with the conductive frame of the first conductor 37, and the first gap channel 371 is formed between the short side and the inner side of the conductive frame of the first conductor 37, so that the water flow can not only flush the electrode surface 3320 but also flush the short side wall 3321. Correspondingly, the second electrode 333 and the second conductor 38 can refer to the bonding form of the first electrode 332 and the second conductor 38, which will not be repeated here.

[0107] like Figure 7 As shown, in one embodiment, at least one side of the electrode assembly 33 along the width direction T is further provided with a second gap flow channel 372 communicating with the flushing flow channel 32; the side wall surface of the electrode assembly 33 participates in forming the flow channel wall of the second gap flow channel 372. The upstream end of the second gap flow channel 372 is connected to the same input port as the flushing flow channel 32 (for example, the input port at the upstream end of the electrode assembly 33), and the downstream end of the second gap flow channel 372 is connected to the flushing flow channel 32 and flows out together with the flushing flow channel 32. The electrode assembly 33 has an intermediate flow channel, which can be connected to the second gap flow channel 372, so as to more fully impact the electrode frontal surface.

[0108] The first conductor 37 is attached to the side where the electrode surface 3320 of the first electrode 332 is located to make conductive contact, the short side of the first electrode 332 and the conductive frame of the first conductor 37 are overlapped, and the first gap flow channel 371 is formed between the long side and the inner side of the conductive frame of the first conductor 37, so that the water flow can not only flush the electrode surface 3320 but also flush the long side wall 3322. Correspondingly, the second electrode 333 and the second conductor 38 can refer to the bonding form of the first electrode 332 and the second conductor 38, which will not be repeated here.

[0109] like Figure 5 As shown, in order to promote the removal and dissolution of ozone, the flushing channel 32 is also provided with a turbulent structure 40. The turbulent structure 40 can change the flow state of the water on the electrode surface 3320, promote the electrolysis of the water by the electrode assembly 33 and the dissolution of ozone. The turbulent structure 40 is arranged opposite to the electrode surface 3320. The turbulent structure 40 is located between the two ends of the electrode assembly 33 along the length direction L. Figure 5As shown, the turbulent structure 40 includes a concave-convex structure arranged on the wall of the flushing channel 32. The concave-convex structure faces the electrode surface 3320 and is wave-shaped and concave-convex. When the water flows along the electrode surface 3320 and passes through the concave-convex structure, the flow state changes, forming turbulence. Of course, in other embodiments, the turbulent structure 40 can also be a plurality of convex hulls or even a plurality of grooves, and can also be an irregular shape, and the present application does not make the sole limitation.

[0110] In a possible embodiment, if Fig.10 As shown, the electrolysis module 30 includes: an electrode assembly 33 located in the shell 1 and a buffer pressing member that compresses and limits the electrode assembly 33. The buffer pressing member can not only realize the fixed and limited installation of the electrode assembly 33, but also prevent the electrode from being crushed and damaged. The buffer pressing member is made of a flexible material, and in the process of compressing the electrode assembly 33, it avoids crushing the electrode by deforming itself. Among them, the buffer pressing member includes: a first buffer pressing member 35 located on the side of the first electrode 332 facing away from the second electrode 333, and a second buffer pressing member 36 located on the side of the second electrode 333 facing away from the first electrode 332.

[0111] In a specific embodiment of the present application, in order to facilitate the replacement of the electrolysis module 30, the electrolysis module 30 is detachably located in the shell 1. When the electrolysis module 30 is damaged or reaches the end of its service life, it is only necessary to replace the electrolysis module 30, thereby reducing the user's use cost and facilitating maintenance. Specifically, the shell 1 has an electrolytic cell 60. The electrolytic cell 60 participates in forming the flow channel inside the shell 1. The electrolysis module 30 is detachably installed in the electrolytic cell 60. The electrolytic cell 60 as a whole can be a rectangular cell structure, and the electrolysis module 30 is removably embedded in the electrolytic cell 60 in a covered form.

[0112] like Figure 8 , Fig. 9 As shown, the ozone water generating device may further include a shell 100, on which the shell 1 and the electrolysis module 30 are installed. The area on the shell 100 corresponding to the electrolysis module 30 has a detachable maintenance cover 101. By removing the maintenance cover 101 and removing the electrolysis module 30 from the shell 1, the replacement of the electrolysis module 30 can be completed.

[0113] For the convenience of user control, the ozone water generating device includes a main body and a command input part for inputting control commands. The housing 1 and the electrolysis module 30 are located in the main body. Figure 8The structure shown. The command input unit is electrically connected or signal-connected to the main body. The command input unit is located outside the main body. The command input unit includes at least one of a button, a sound input unit, and a touch unit. In this embodiment, the command input unit can be a remote control or a control panel installed on a countertop of a cabinet or on a sink, and the command input unit can be connected to the main body via a cable. The main body can be installed inside the cabinet and connected upstream of the faucet to avoid occupying external space.

[0114] Further, see Fig.10 , the electrolysis module 30 also includes: a accommodating chamber communicated with the electrolytic cell 60. The first electrode 332, the second electrode 333 and the proton membrane 331 are located in the accommodating chamber. The accommodating chamber has a buffer pressing member for pressing and limiting the electrode assembly 33. Specifically, the first electrode 332 has a first buffer pressing member on the side facing away from the second electrode 333; the second electrode 333 has a second buffer pressing member on the side facing away from the first electrode 332. The first electrode 332, the second electrode 333 and the proton membrane 331 form the electrode assembly 33 of the electrolysis module 30. The first buffer pressing member and the second buffer pressing member are made of rubber.

[0115] Specifically, the electrolysis module 30 has an end cover 31 and a tray 39. The end cover 31 and the tray 39 are covered to form the accommodation chamber. The end cover 31 has a cover body 311 and a side wall 312 located inside the cover body. The tray 39 is covered on the side wall 312 to form an accommodation chamber with the end cover 31.

[0116] In this embodiment, the electrolysis module 30 also includes a fixed limiter 34. The first electrode 332 and the second electrode 333 are respectively limited on both sides of the fixed limiter 34; the first buffer pressing member 35 and the second buffer pressing member 36 are respectively fixed on both sides of the fixed limiter 34 and respectively press and limit the first electrode 332 and the second electrode 333. The fixed limiter 34 is a rectangular frame structure, and there are limit columns on both sides of the rectangular frame structure. The first electrode 332 and the second electrode 333 are positioned and supported by the fixed limiter 34 under the limiting action of multiple limit columns, and the proton membrane 331 is located between the first electrode 332 and the second electrode 333. The fixed limiter 34 is an insulating member, and its material can be plastic.

[0117] The electrolysis module 30 has a first conductor 37 and a second conductor 38 for supplying power to the first electrode 332 and the second electrode 333, respectively. The first conductor 37 and the second conductor 38 can be connected to a controller. The controller controls the magnitude of the current applied to the electrode assembly 33 through the first conductor 37 and the second conductor 38. The first conductor 37 and the first buffer pressing member 35 are integrated, and the second conductor 38 and the second buffer pressing member 36 are integrated, and are tightly fitted with the corresponding first electrode 332 and the second electrode 333 from both sides of the electrode assembly 33. The first buffer pressing member 35 and the second buffer pressing member 36 are flexible materials, so as to prevent the electrodes from being crushed and damaged while pressing the first electrode 332 and the second electrode 333. The limiting columns on both sides of the fixed limiting member 34 are respectively interference-fitted with the first buffer pressing member 35 and the second buffer pressing member 36. The end cover 31 and the tray 39 are fixed by screws to press the internal components, thereby forming a replaceable electrolysis module 30.

[0118] In one embodiment of the present application, a control method for an ozone water generating device is further provided. The control method can be applied to, but is not limited to, the control of the ozone water generating device in the above embodiment. Specifically, the control method comprises the following steps:

[0119] S100, obtaining the water flow rate flowing through the electrolysis module;

[0120] S200. When the water flow rate is greater than a predetermined flow rate, a predetermined current is applied to the electrolysis module according to the water flow rate to form ozone water with an ozone concentration of 0.03-0.2ppm; wherein the relationship between the water flow rate Q and the current I applied to the electrolysis module is: I takes values ​​between I1 and I2, I1=0.05Q+0.02; I2=0.16Q+1.2.

[0121] The control method may further include the following steps: S150, obtaining the water temperature flowing through the electrolysis module. Step S150 and step S100 are not necessarily executed in sequence, and may be performed simultaneously or not simultaneously, and the present application does not limit this. The ozone water generating device may detect the water flow rate through a flow sensor and detect the water temperature through a temperature sensor.

[0122] Accordingly, in the step S200, when the water flow rate is greater than a predetermined flow rate, a predetermined current is applied to the electrolysis module according to the water flow rate and the water temperature to form ozone water with an ozone concentration of 0.03-0.2 ppm.

[0123] In this embodiment, the current applied to the electrolysis module is positively correlated with the water flow rate through the electrolysis module. When the water temperature is 5-45°C, the current range applied to the electrolysis module is 0.1-3A and the voltage range is 2-36V. When the water flow rate range is 1-3L, the current range applied to the electrolysis module is 0.1-1.2A. When the water flow rate range is 3-8L, the current range applied to the electrolysis module is 0.4-2.1A. When the water flow rate range is 8-15L, the current range applied to the electrolysis module is 0.7-3A.

[0124] In this embodiment, in order to ensure the safety of users, the predetermined flow rate is above 0.5L / min. For example, when the water flow rate is greater than 1L / min (liters per minute), current is applied to the electrolysis module to generate ozone by electrolysis, and the ozone generation is started only when there is a flow signal, so as to prevent the electrode from working without water, causing damage and safety problems, such as short circuit, burning and other problems.

[0125] Any numerical value cited herein includes all values ​​of lower and upper values ​​that increase by one unit from the lower limit to the upper limit, and there is at least a two-unit interval between any lower value and any higher value. For example, if the value of the quantity of a component or a process variable (such as temperature, pressure, time, etc.) is stated to be from 1 to 90, preferably from 20 to 80, and more preferably from 30 to 70, the purpose is to illustrate that values ​​such as 15 to 85, 22 to 68, 43 to 51, 30 to 32 are also explicitly listed in the specification. For values ​​less than 1, one unit is appropriately considered to be 0.0001, 0.001, 0.01, 0.1. These are merely examples that are intended to be clearly expressed, and it can be considered that all possible combinations of numerical values ​​listed between the lowest value and the highest value are clearly stated in the specification in a similar manner.

[0126] Unless otherwise indicated, all ranges include the endpoints and all numbers between the endpoints. "About" or "approximately" used with a range applies to both endpoints of the range. Thus, "about 20 to 30" is intended to cover "about 20 to about 30", including at least the specified endpoints.

[0127] All articles and references disclosed, including patent applications and publications, are incorporated herein by reference for all purposes. The term "consisting essentially of..." to describe a combination should include the identified elements, ingredients, parts or steps and other elements, ingredients, parts or steps that do not substantially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe a combination of elements, ingredients, parts or steps herein also contemplates embodiments that consist essentially of these elements, ingredients, parts or steps. By using the term "may", it is intended to indicate that any attribute described that "may" include is optional.

[0128] Multiple elements, ingredients, parts or steps can be provided by a single integrated element, ingredient, part or step. Alternatively, a single integrated element, ingredient, part or step can be divided into separate multiple elements, ingredients, parts or steps. The disclosure "one" or "an" used to describe an element, ingredient, part or step is not intended to exclude other elements, ingredients, parts or steps.

[0129] It should be understood that the above description is for illustration and not for limitation. Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of the present teachings should not be determined with reference to the above description, but should be determined with reference to the appended claims and the full scope of equivalents possessed by such claims. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to be a waiver of the subject matter, nor should it be considered that the inventors did not consider the subject matter to be part of the disclosed inventive subject matter.

Claims

1. A control method for an ozone water generating device, characterized in that: The ozone water generating device comprises: A housing provided with a water inlet and a water outlet; An electrolysis module is arranged between the water inlet and the water outlet, so that water flowing through the electrolysis module forms ozone water; a flow sensor for detecting the flow of water passing through the electrolysis module; Wherein, according to the signal of the flow sensor, the electrolysis module makes the ozone concentration of the ozone water output from the water outlet be 0.03-0.2ppm; The control method comprises the following steps: Obtaining the water flow rate flowing through the electrolysis module; When the water flow rate is greater than a predetermined flow rate, a predetermined current is applied to the electrolysis module according to the water flow rate to form ozone water with an ozone concentration of 0.03-0.2ppm; wherein the relationship between the water flow rate Q and the current I applied to the electrolysis module is: I takes values ​​between I1 and I2, wherein I1=0.05Q+0.02; I2=0.16Q+1.

2.

2. The control method of the ozone water generating device according to claim 1, characterized in that: The ozone water generating device is further provided with: a temperature sensor for detecting the water temperature of water flowing through the electrolysis module; the electrolysis module makes the ozone concentration of the ozone water output from the water outlet be 0.03-0.2ppm according to the signals of the flow sensor and the temperature sensor.

3. The control method of the ozone water generating device according to claim 1, characterized in that: When the water inlet temperature is 5-45° C., the current range of the electrolysis module is 0.1-3A and the voltage range is 2-36V.

4. The control method of the ozone water generating device according to claim 1, characterized in that: When the flow rate detected by the flow sensor is in the range of 1-3L, the current range of the electrolysis module is in the range of 0.1-1.2A.

5. The control method of the ozone water generating device according to claim 1, characterized in that: When the flow rate detected by the flow sensor is in the range of 3-8L, the current range of the electrolysis module is in the range of 0.4-2.1A.

6. The control method of the ozone water generating device according to claim 1, characterized in that: When the flow rate detected by the flow sensor is in the range of 8-15L, the current range of the electrolysis module is in the range of 0.7-3A.

7. The control method of the ozone water generating device according to claim 2, characterized in that: The temperature sensor is disposed upstream of the electrolysis module.

8. The control method of the ozone water generating device according to claim 1, characterized in that: The flow sensor is arranged upstream of the electrolysis module.

9. The control method of the ozone water generating device according to claim 1, characterized in that: The electrolysis module includes: a first electrode, a second electrode, and a proton membrane located between the first electrode and the second electrode.

10. The control method of the ozone water generating device according to claim 9, characterized in that: The first electrode and the second electrode have a boron-doped diamond coating.

11. The control method of the ozone water generating device according to claim 9, characterized in that: The first electrode, the second electrode, and the proton membrane form an electrode assembly; the electrolysis module also includes a flushing channel located on at least one side of the electrode assembly; when the flushing channel extends from one end of the electrode assembly to the other end, at least part of the water flow flows toward the electrode surface of the electrode assembly.

12. The control method of the ozone water generating device according to claim 9, characterized in that: The first electrode, the second electrode, and the proton membrane form an electrode assembly; the electrolysis module also includes a flushing channel located on at least one side of the electrode assembly; the flushing channel has a first position away from the electrode surface in a direction perpendicular to the proton membrane, and a second position contacting the electrode surface; the first position is located upstream of the second position.

13. The control method of the ozone water generating device according to claim 9, characterized in that: The electrolysis module is detachably located on the housing.

14. The control method of the ozone water generating device according to claim 13, characterized in that: The shell has an electrolytic tank; the electrolytic module is detachably installed in the electrolytic tank.

15. The control method of the ozone water generating device according to claim 14, characterized in that: The electrolysis module also includes: a containing chamber communicated with the electrolytic cell; the first electrode, the second electrode and the proton membrane are located in the containing chamber; the first electrode has a first buffer pressing piece on the side facing away from the second electrode; the second electrode has a second buffer pressing piece on the side facing away from the first electrode.

16. The control method of the ozone water generating device according to claim 15, characterized in that: The first buffer pressing member and the second buffer pressing member are made of rubber.

17. The control method of the ozone water generating device according to claim 15, characterized in that: The electrolysis module has an end cover and a tray; the end cover and the tray are covered to form the accommodating chamber; The electrolysis module also includes a fixed limiting member; the first electrode and the second electrode are respectively limited on both sides of the fixed limiting member; the first buffer pressing member and the second buffer pressing member are respectively fixed on both sides of the fixed limiting member and respectively press and limit the first electrode and the second electrode.

18. The control method of the ozone water generating device according to claim 9, characterized in that: The first electrode, the second electrode, and the proton membrane form an electrode assembly; the cross-sectional area of ​​the flow channel where the electrode assembly is located is less than 300 square millimeters.

19. The control method of the ozone water generating device according to claim 1, characterized in that: The ozone water generating device comprises a main body and a command input part for inputting control commands; the shell and the electrolysis module are located in the main body; the command input part is electrically connected or signal-connected to the main body; and the command input part is located outside the main body.

20. The control method of the ozone water generating device according to claim 19, characterized in that: The instruction input unit includes at least one of a key, a sound input unit, and a touch unit.

21. The control method of the ozone water generating device according to claim 1, characterized in that: The control method further comprises the following steps: obtaining the temperature of water flowing through the electrolysis module; Accordingly, when the water flow rate is greater than a predetermined flow rate, a predetermined current is applied to the electrolysis module according to the water flow rate and the water temperature to form ozone water with an ozone concentration of 0.03-0.2 ppm.

22. The control method of the ozone water generating device according to claim 21, characterized in that: When the water temperature is between 5 and 45° C., the current range is between 0.1 and 3A and the voltage range is between 2 and 36V applied to the electrolysis module.

23. The control method of the ozone water generating device according to claim 1, characterized in that: When the water flow rate is in the range of 1-3 L, the current applied to the electrolysis module is in the range of 0.1-1.2 A.

24. The control method according to claim 1, characterized in that: When the water flow rate ranges from 3L to 8L, the current applied to the electrolysis module ranges from 0.4A to 2.1A.

25. The control method according to claim 1, characterized in that: When the water flow rate is in the range of 8-15 L, the current applied to the electrolysis module is in the range of 0.7-3 A.

26. The control method according to claim 1, characterized in that: The predetermined flow rate is greater than 0.5 L / min.

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