CN113925431A - Disinfectant fluid generating device and dish washing machine - Google Patents
Disinfectant fluid generating device and dish washing machine Download PDFInfo
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- CN113925431A CN113925431A CN202111341783.6A CN202111341783A CN113925431A CN 113925431 A CN113925431 A CN 113925431A CN 202111341783 A CN202111341783 A CN 202111341783A CN 113925431 A CN113925431 A CN 113925431A
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- 239000012530 fluid Substances 0.000 title claims abstract description 33
- 239000000645 desinfectant Substances 0.000 title abstract description 24
- 238000004851 dishwashing Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 236
- 238000003860 storage Methods 0.000 claims abstract description 96
- 230000001954 sterilising effect Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000004888 barrier function Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 25
- 230000007935 neutral effect Effects 0.000 claims description 5
- 239000008223 sterile water Substances 0.000 claims 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 40
- 230000000694 effects Effects 0.000 abstract description 12
- 210000002381 plasma Anatomy 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 9
- 241000894006 Bacteria Species 0.000 abstract description 7
- 241000700605 Viruses Species 0.000 abstract description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 3
- 125000000018 nitroso group Chemical group N(=O)* 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 125000004430 oxygen atom Chemical group O* 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 30
- 241000190070 Sarracenia purpurea Species 0.000 description 16
- 239000007921 spray Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical group O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
- A47L15/4238—Arrangements to sterilize or disinfect dishes or washing liquids by using electrolytic cells
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4606—Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/17—Sonic or ultrasonic waves
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Electrochemistry (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a sterilizing water generating device and a dishwasher, wherein the sterilizing water generating device includes: water storage structure, discharge electrode, return circuit electrode, barrier medium, inlet channel, fluid actuating mechanism. The discharge electrode of the disinfectant water generator generates glow discharge, high-voltage discharge is utilized to generate plasma in a liquid phase environment, high-energy electrons around a gas/liquid interface during discharge react with air and water molecules violently to generate plasmas with strong oxidizability, such as single oxygen atoms, ozonide ion groups, hydrogen peroxide ion groups, hydroxyl groups, nitroso groups and the like, which have strong killing capacity on bacteria and viruses, and the plasma disinfectant water with bacteria and virus killing capacity is generated. Therefore, the invention can overcome the defect of poor disinfection effect of the dish-washing machine in the prior art, thereby providing the dish-washing machine with good disinfection effect.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a disinfectant fluid generating device and a dish washing machine.
Background
Along with the improvement of living standard, the dish-washing machine gradually enters common families, hands are liberated, and the living quality is improved. Generally, the main core components of the existing dishwasher are: the water pump comprises a liner assembly, a water cup assembly, a spray arm assembly, a filter assembly, a washing pump, a drainage pump, a pipeline and the like. Dishwashers currently on the market generally perform main washing and dish sterilization at high temperatures (around 70 ℃).
Among the prior art, some dish washing machines adopt disinfection modes such as UVC ultraviolet lamp disinfection, addition of silver ion in part materials bacteriostasis, steam high temperature disinfection, hot air drying, and above disinfection mode mainly acts on tableware surface disinfection, and is not good to unseen spare part inside effect.
Some dishwashers in the prior art use ozone water for sterilization, and because the solubility of ozone in water is low, the sterilization effect is not ideal, and most of overflowed ozone is harmful to human bodies.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of poor disinfection effect of the dish washing machine in the prior art, thereby providing the dish washing machine with good disinfection effect.
In order to solve the above problems, the present invention provides a sterilized water generating apparatus, comprising a water storage structure having a water inlet and a water outlet; the discharge electrode is arranged in the water storage structure and is connected with a live wire of the power supply device; the loop electrode is connected with a zero line of the power supply device; the barrier medium is arranged between the discharge electrode and the loop electrode; the air inlet channel is arranged on the water storage structure and is suitable for introducing air, and the air inlet channel surrounds the outer side of the discharge electrode; and the fluid driving mechanism is arranged on the water storage structure and is used for driving water in the water storage structure to flow.
Further, the fluid driving mechanism includes:
the rotating source is fixedly arranged on the outer side of the water storage structure and is connected with the water storage structure;
an impeller disposed within the water storage structure and driven by the rotational source.
Further, the sterilizing water generating apparatus further includes:
the through hole is formed in the water storage structure, and a rotating shaft of the impeller penetrates through the through hole;
and the water storage structure sealing ring is sleeved on the rotating shaft of the impeller and can shield a gap between the through hole and the rotating shaft.
Further, the distance between the tail end of the air inlet channel and the water storage structure is smaller than the distance between the tail end of the discharge electrode and the water storage structure.
Further, the water storage structure includes the lower cover and the upper cover of being connected with the lower cover, and discharge electrode and return circuit electrode all fix the setting on the upper cover.
Further, the air inlet passage includes a first insulating tube disposed around the outer side of the discharge electrode, and the first insulating tube is fixed to the upper cover.
Furthermore, the disinfectant generating device comprises an electrode fixing frame fixed on the upper cover, the discharge electrode is fixed on the electrode fixing frame, the upper end of the first insulating tube is connected to the electrode fixing frame, an air guide channel communicated with the inside of the first insulating tube is arranged on the electrode fixing frame, and the air guide channel and the first insulating tube jointly form an air inlet channel.
Furthermore, the electrode fixing frame is provided with a fixing hole for fixing the discharge electrode, and the air guide channel comprises an air guide cavity surrounding the fixing hole and an air inlet arranged on the electrode fixing frame.
Further, a first sealing element is arranged between the upper surface of the upper cover and the electrode fixing frame, the first sealing element comprises an annular body part, a first groove is formed in the inner side of the body part, the first insulating tube comprises a vertical cylindrical part and a first bending edge which is arranged at the top end of the vertical cylindrical part and extends outwards along the radial direction, and the first bending edge is embedded into the first groove.
Further, the sterilizing water generating device further comprises a fluid discharging part arranged on the water storage structure, and the fluid discharging part enables the inner side and the outer side of the water storage structure to be communicated.
Furthermore, a second groove is arranged in the fixing hole, and the discharge electrode is provided with a second bending edge suitable for being embedded into the second groove.
Furthermore, a third bending edge is arranged outside the loop electrode and fixedly connected with the upper cover.
Furthermore, the sterilizing water generating device also comprises an insulating vertical pipe which is arranged in the water storage structure along the vertical direction; the insulated riser is adapted to mount a level sensor.
A second aspect of the present invention relates to a dishwasher including a housing and the sterilizing water generating apparatus provided in the first aspect of the present invention.
The invention has the following advantages:
according to the technical scheme, when the dishwasher needs to prepare sterilized water, tap water enters the water storage structure, the power supply device provides high-frequency alternating voltage of about 6-15KV to the first electrode, air enters the water storage structure through the air inlet channel, the first electrode of the disinfectant water generating device generates glow discharge, plasma is generated in a liquid-phase environment by utilizing high-voltage discharge, high-energy electrons around an air/liquid interface react with air and water molecules violently during discharge to generate single oxygen atoms with strong oxidizability, ozonide ion groups, hydrogen peroxide ion groups, hydroxyl groups, nitroso groups and other plasmas which have strong killing capacity on bacteria and viruses, the plasma disinfectant water with the bacteria and virus killing capacity is generated, and the disinfecting effect of the disinfectant water is superior to that of the traditional disinfecting modes such as high-temperature disinfection, steam disinfection, ultraviolet disinfection and silver ion disinfection; when the disinfection work is needed, the switch element is switched on, so that the disinfection water generated in the water storage structure flows into the water cup and is mixed and diluted with the water in the water cup, the disinfection water in the water cup is pumped into the spray arm by the washing pump, the spray arm sprays the disinfection water to the inner container and the tableware in the inner container to disinfect the tableware, the disinfection water flows through the water cup, the washing pump, the spray arm and the inner container, the tableware can be disinfected in all directions, and the disinfection effect is good. And the sterilized water discharged by the machine not only can not pollute the environment, but also has the function of purifying sewage.
The fluid driving device fluid driving mechanism is additionally arranged in the water storage structure of the sterilized water generating device, so that the fluid driving device fluid driving mechanism can drive water in the water storage structure, and sterilized water generated by electrode discharge is promoted to be uniformly distributed in the water storage structure, and the full progress of electrolytic reaction is promoted. Therefore, the disinfectant fluid generator of the present invention can overcome the defect of non-uniform concentration of disinfectant fluid in the disinfectant fluid generator of the prior art, thereby facilitating the full progress of the electrolytic reaction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a sterilizing water generating apparatus of a dishwasher provided in an embodiment of the present invention;
FIG. 2 is the sterilized water generating apparatus shown in FIG. 1, without an upper cover of the water storage structure;
FIG. 3 is another view of the sterilized water generating apparatus;
FIG. 4 is the sterilizing water generating apparatus shown in FIG. 3, without showing the upper cover of the water storage structure;
FIG. 5 is a schematic structural view of an inner tub of a dishwasher provided in an embodiment of the present invention;
fig. 6 is a sectional view of the sterilizing water generating apparatus;
FIG. 7 is a schematic structural view of a sterilized water generating apparatus;
FIG. 8 is a schematic structural view of the electrode holder with discharge electrodes fixed thereon;
FIG. 9 is a schematic view of a discharge electrode structure;
FIG. 10 is a cross-sectional view of a discharge electrode;
FIG. 11 is an angular schematic view of an electrode holder;
FIG. 12 is a schematic view of another angle of the electrode holder;
FIG. 13 is a cross-sectional view of an electrode mount;
FIG. 14 is a schematic view of the first seal;
FIG. 15 is a cross-sectional view of the first seal member;
FIG. 16 is a schematic view of a first insulating tube;
fig. 17 is a sectional view of a first insulating tube;
FIG. 18 is a schematic diagram of a structure of a return electrode;
FIG. 19 is a schematic view of a second seal;
fig. 20 is a schematic structural view of the connection of the sterilized water generating apparatus and the power supply apparatus;
FIG. 21 is a schematic view of a part of a structure of a dishwasher provided in an embodiment of the present invention;
FIG. 22 is a schematic structural view of a base;
description of reference numerals:
2. a base; 201. a base groove; 3. a water cup; 5. an air pump; 7. a flow meter; 9. a water inlet electromagnetic valve; 14. a washing pump;
a. a sterilized water generating device; a1, a water storage structure; a11 and a water inlet; a12, a water outlet; a13, a lower cover; a14, an upper cover; a141, an upper cover groove; a2, discharge electrode; a21, a second bent edge; a22, discharge electrode body; a23, an insulating sleeve; a3, return electrode; a31, third bend edge; a5, fluid discharge; a6, a first insulating tube; a61, a vertical cylindrical portion; a62, a first bent edge; a7, electrode fixing frame; a71, fixing holes; a711 and a second groove; a72, an air guide cavity; a73, air inlet; a8, a first seal; a81, body portion; a82, a first groove; a83, sealing ribs; a9, insulating vertical pipe; a109, a second sealing element;
b. a power supply device; b1, fire line; b2, zero line;
d. a fluid drive mechanism; d1, a rotation source; d2, impeller; d3, water storage structure sealing ring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the present embodiment, as shown in fig. 1, 2, 3 and 4, the sterilizing water generating device a mainly includes a water storage structure a1, a discharge electrode a2, a circuit electrode a3, a barrier medium, an intake passage and a fluid driving mechanism d. Wherein, water storage structure a1 has water inlet a11 and delivery port a 12. The discharge electrode a2 is disposed in the water storage structure a 1. The discharge electrode a2 is arranged in the water storage structure a1 and is connected with the live wire b1 of the power supply device b. The return electrode a3 is connected to the neutral line b2 of the power supply unit b. The barrier medium is disposed between the discharge electrode a2 and the return electrode a 3. The air inlet channel is arranged on the water storage structure a1 and is suitable for introducing air, and the air inlet channel surrounds the outer side of the discharge electrode a 2. The fluid driving mechanism d is disposed on the water storage structure a1, and is used for driving the water in the water storage structure a1 to flow. The power supply device b can be a high-frequency high-voltage device, and can also be other devices capable of providing high-voltage power, for example, the power supply device b comprises a 220V power supply and a transformer connected with the power supply, a discharge electrode a2 is connected with a live wire b1 of the transformer, and a return electrode a3 is connected with a neutral wire b2 of the transformer.
According to the technical scheme, when disinfectant water needs to be prepared, tap water enters the water storage structure a1, the power supply device b provides high-frequency alternating voltage of about 6-15KV to the discharge electrode a2, air enters the water storage structure a1 through the air inlet channel, the discharge electrode a2 of the disinfectant water generating device a generates glow discharge, plasma is generated in a liquid phase environment by utilizing high-voltage discharge, high-energy electrons around an air/liquid interface react with air and water molecules violently during discharge to generate plasmas with strong oxidizing properties, such as singlet oxygen atoms, ozonide ion groups, hydrogen peroxide ion groups, hydroxyl groups and nitroso groups, and the plasmas with strong killing capabilities on bacteria and viruses, such as bacteria and viruses, and the plasma disinfectant water with the bacteria and virus killing capabilities is generated, and the disinfection effect of the disinfectant water is superior to that of high-temperature disinfection, steam disinfection, ultraviolet disinfection and sterilization, Traditional disinfection modes such as silver ion disinfection and the like; when the disinfection work is needed, the switch element is turned on, so that the disinfection water generated in the water storage structure a1 flows into the water cup 3 of the dish-washing machine and is mixed and diluted with the water in the water cup 3, the washing pump 14 pumps the disinfection water in the water cup 3 into the spray arm, the spray arm sprays the disinfection water to the inner container and the tableware in the inner container to disinfect the tableware, and the disinfection water flows through the water cup 3, the washing pump 14, the spray arm and the inner container (see figure 5), so that the tableware can be disinfected in all directions, and the disinfection effect is good. And the sterilized water discharged by the machine not only can not pollute the environment, but also has the function of purifying sewage.
The loop electrode a3 may be disposed outside or inside the tank of the water storage structure a1, when the loop electrode a3 is disposed outside the tank, the tank itself is made of an insulating material to form a blocking medium, when the loop electrode a3 is disposed inside the tank, the blocking medium made of an insulating material is disposed between the loop electrode a3 and the discharge electrode a2, and the blocking medium may be specifically an insulating sleeve a23 covering the loop electrode a3 or the discharge electrode a 2.
In addition, the applicant finds that the disinfectant generated by electrolysis is often concentrated near the electrodes, which causes uneven distribution of the disinfectant in the water storage structure a1, is not favorable for sufficient electrolytic reaction, is easy to influence the concentration of the disinfectant, and hinders improvement of the disinfection effect of the dishwasher. Therefore, the disinfection water generator a of the present embodiment adds the fluid driving mechanism d to the water storage structure a1, as shown in fig. 1, 2 and 3, so that the fluid driving mechanism d can drive the water in the water storage structure a1, thereby promoting the disinfection water generated by the electrode discharge to be uniformly distributed in the water storage structure a1, and helping to promote the sufficient progress of the electrolytic reaction. Therefore, the sterilized water generating apparatus a of the present embodiment can overcome the defect of non-uniform concentration of the sterilized water in the sterilized water generating apparatus a in the prior art, thereby facilitating the sufficient progress of the electrolytic reaction.
The fluid driving mechanism d is preferably, but not limited to, a magnetic stirrer and a combination of a rotation source d1 and an impeller d2, and the like. When the fluid driving mechanism d selects the rotation source d1 and the impeller d2, the rotation source d1 is fixedly arranged outside the water storage structure a1 and connected with the water storage structure a 1. The impeller d2 is disposed within the water storage structure a1 and is driven by the rotation source d 1. The rotation source d1 can be selected from one of an electric motor, an engine and a hydraulic motor or a combination of one of the electric motor, the engine and the hydraulic motor and a speed reducer. In order to ensure that the main body of the rotating source d1 can be stationary relative to the water storage structure a1, the rotating source d1 is optionally fixedly arranged on the side wall of the water storage structure a1, and is also optionally fixedly arranged on the side wall of the dishwasher.
The fluid driving mechanism d can also be arranged in fixed connection with the power supply device b when the power supply device b is arranged adjacent to the water storage structure a 1. Preferably, as shown in fig. 22, in the present embodiment, the water storage structure a1 and the power supply device b are both disposed in the base groove 201 of the dishwasher. The main body of the rotation source d1 is arranged in the fixed seat of the rotation source d 1. One end of the fixed seat of the rotation source d1 is fixedly connected with the water storage structure a1, and the other end is fixedly connected with the power supply device b. A first fixed seat connecting structure is arranged between the fixed seat of the rotation source d1 and the power supply device b. A second fixing seat connecting structure is arranged between the rotating source d1 fixing seat and the water storage structure a 1. First fixing base connection structure and second fixing base connection structure all prefer but not limited to joint subassembly, riveting subassembly and threaded connection subassembly etc..
For example, in the embodiment, one end of the fixed seat of the rotation source d1 is provided with a first fixed seat ear plate, and the water storage structure a1 is provided with a water storage structure a1 mounting hole corresponding to the first fixed seat ear plate. The mounting holes of the first holder ear plate and the water storage structure a1 can allow a connecting column or a screw to be inserted and fixedly connect the water storage structure a1 and the rotating source d1 holder when aligned. The other end of the fixed seat of the rotation source d1 is also provided with a second fixed seat ear plate. And the power supply device b is provided with a power supply device b mounting hole corresponding to the second fixing seat ear plate. The second holder lug and the power supply b mounting hole can allow a connecting post or screw to be inserted and fixedly connect the power supply b and the rotating source d1 holder when aligned.
In this embodiment, as shown in fig. 4, when the fluid driving mechanism d is selected as the combination of the rotation source d1 and the impeller d2, in order to further improve the sealing performance of the water storage structure a1, the sterilizing water generating device a preferably further includes a through hole and a water storage structure sealing ring d 3. The through hole is arranged on the wall of the water storage structure a1, and the rotating shaft of the impeller d2 penetrates through the through hole. The water storage structure sealing ring d3 is sleeved on the rotating shaft of the impeller d2 and can shield the gap between the through hole and the rotating shaft. The water-storing structure sealing ring d3 is preferably made of, but not limited to, a material having elasticity and resilience and suitable mechanical strength, such as rubber or silicone.
In addition to the above embodiments, the distance between the end of the air intake passage and the water storage structure a1 is preferably smaller than the distance between the end of the discharge electrode a2 and the water storage structure a 1. It should be noted that the end of the intake passage is the end of the intake passage located in the box, and referring to fig. 6, the end of the intake passage is the lower end thereof, and the end of the discharge electrode a2 is also referred to as the lower end thereof. In this embodiment, a gas-liquid interface is formed at the lower side of the end of the discharge electrode a2, so that high-energy electrons around the gas-liquid interface react with air and water molecules vigorously to generate plasma when the discharge electrode a2 discharges.
In addition to the above embodiments, the water storage structure a1 includes a lower cover a13 and an upper cover a14 connected to the lower cover a13, and the discharge electrode a2 and the return electrode a3 are both fixedly disposed on the upper cover a 14. In this embodiment, since the discharge electrode a2 and the return electrode a3 are integrally mounted on the upper cover a14, the structure is simple and compact. In assembly, after the discharge electrode a2 and the circuit electrode a3 are both mounted on the upper cover a14, the upper cover a14 and the lower cover a13 are assembled together by sol welding, so that the assembly efficiency is improved. In an alternative embodiment, the discharge electrode a2 is disposed on the upper cover a14, the loop electrode a3 is disposed on the bottom wall or the side wall of the water storage structure a1 in a sheet shape, and the connection end of the loop electrode a3 connected to the neutral line b2 of the power supply device b is exposed outside the water storage structure a 1.
The upper cover a14 is provided with a fluid discharge part a5, the fluid discharge part a5 can discharge the gas generated in the water storage structure a1 in time, so as to ensure the air pressure balance in the water storage structure a1, and when the water level in the water storage structure a1 reaches the fluid discharge part a5, the fluid discharge part a5 overflows, so as to ensure the pressure balance in the water storage structure a 1.
On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 6, 16 and 17, the intake passage includes the first insulating tube a6 disposed circumferentially outside the discharge electrode a 2. The first insulating tube a6 is fixed to the upper cover a 14. In this embodiment, the first insulating tube a6, the discharge electrode a2, and the return electrode a3 are integrally mounted on the upper cover a14, and the assembly efficiency can be further improved.
The first insulating tube a6 may be a glass tube or a ceramic tube.
In addition to the above embodiments, in a preferred embodiment, the sterilizing water generating device a includes an electrode holder a7 fixed to the upper cover a14, the discharge electrode a2 is fixed to the electrode holder a7, the upper end of the first insulating tube a6 is hermetically connected to the electrode holder a7, and an air guide passage communicated with the inside of the first insulating tube a6 is provided in the electrode holder a 7. The air guide passage constitutes an air intake passage together with the first insulating tube a 6. In this embodiment, the electrode holder a7 is used to fix both the discharge electrode a2 and the first insulating tube a6, so that the assembly efficiency can be further improved, and the structure of the intake passage is simple without occupying additional space. In other alternative embodiments, the electrode holder a7 is used only to hold the discharge electrode a2, and the air inlet passage includes a first air inlet section surrounding the outside of the lower half of the discharge electrode a2 and a second air inlet section connected to the upper end of the first air inlet section, the second air inlet section being fixedly provided on the upper cover a14 or on the sidewall of the water tank a1, and the second air inlet section being obliquely provided.
On the basis of the above-described embodiments, in a preferred embodiment, as shown in fig. 8, 11, 12 and 13, the electrode holder a7 is provided with a fixing hole a71 for fixing the discharge electrode a2, an air guide chamber a72 surrounding the outside of the fixing hole a71, and an air inlet a73 provided on the electrode holder a7 and communicating with the air guide chamber. In this embodiment, air can enter the first insulating tube a6 through the air inlet a73 and the air guide cavity a72, the electrode fixing bracket a7 is used for fixing the discharge electrode a2 and fixing the first insulating tube a6, the structure is simple and compact, and the air guide cavity a72 surrounds the fixing hole a71, so that the air guide cavity a72 is uniformly positioned outside the discharge electrode a 2.
Specifically, the electrode fixing frame a7 is provided with screw holes, and the electrode fixing frame a7 is connected with the upper cover a14 through screws.
On the basis of the above embodiment, in a preferred embodiment, as shown in fig. 14 and 15, a first sealing member a8 is provided between the upper surface of the upper cover a14 and the electrode holder a7, the first sealing member a8 includes a ring-shaped body portion a81, the inside of the body portion a81 has a first groove a82, the first insulating tube a6 includes a vertical cylindrical portion a61 and a first bent edge a62 provided at the top end of the vertical cylindrical portion a61 and extending radially outward, and the first bent edge a62 is embedded in the first groove a 82. In this embodiment, the first bending edge a62 at the upper end of the first insulating tube a6 is embedded in the first groove a82 of the first sealing member a8, after the installation is completed, the electrode fixing frame a7 presses on the upper end of the first sealing member a8, so that the connection between the first insulating tube a6 and the motor fixing frame is realized, the sealing performance is good, and the first sealing member a8 can play a role in buffering and protecting the first insulating tube a6 and prevent the first insulating tube a6 from being damaged due to collision. The shape of the first groove a82 is preferably circular, and correspondingly, the bent side a62 is also circular.
In one embodiment, as shown in fig. 18 and 19, the circuit electrode a3 and the upper lid a14 are connected by a second seal a109, and the second seal a109 is a seal ring.
In addition to the above embodiments, in a preferred embodiment, the fixing hole a71 is provided with a second groove a711, and the discharge electrode a2 has a second bent side a21 adapted to be fitted into the second groove a 711. In this embodiment, the discharge electrode a2 can be prevented from coming off the electrode holder a7 by fitting the second bent side a21 of the discharge electrode a2 into the second groove a711 in the fixing hole a 71. The shape of the second groove a711 is preferably circular, and correspondingly, the second bending edge a21 is also circular.
In one embodiment, as shown in fig. 18, the upper end of the loop electrode a3 is provided with a third bent side a31, and the third bent side a31 is fixedly connected to the upper cover a 14. In this embodiment, third bent edge a31 is provided to facilitate securing return electrode a3 to upper cap a 14. The third bent side a31 is screwed or welded to the upper cover a 14. The shape of the third bending edge a31 is preferably circular.
In addition to the above embodiments, in a preferred embodiment, the first sealing member a8 further includes a plurality of annular sealing ribs provided at the upper end and/or the lower end of the body portion a 81. In this embodiment, the sealing rib a83 further acts as a seal. Specifically, the sealing ribs a83 may be provided only at the upper end of the body portion a81, the sealing ribs a83 may be provided only at the lower end of the body portion a81, or the sealing ribs a83 may be provided at both the upper and lower ends of the body portion a 81.
On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 7, the upper cover a14 has an upper cover groove a141 recessed toward the lower cover a13, and the electrode holder a7 is disposed in the upper cover groove a 141. In this embodiment, by disposing the electrode holder a7 in the mounting groove, collision interference between the electrode holder a7 and other structures can be avoided, and the overall height of the sterilized water generating apparatus a can be reduced, thereby reducing the mounting space occupied by the sterilized water generating apparatus a.
As shown in fig. 9 and 10, the discharge electrode a2 in the above embodiments includes a discharge electrode body a22 and an insulating sleeve a23 disposed outside the discharge electrode body a22, the second bent edge a21 is disposed on the insulating sleeve a23, and the lower end of the discharge electrode body a22 is pointed to facilitate generation of an arc.
In one embodiment, the washing assembly comprises a water cup 3, a washing pump 14, a spraying arm 15 and a liner 1, water enters the water cup 3 during washing, the washing pump 14 pumps the water in the water cup 3 into the spraying arm 15, the spraying arm 15 sprays the water into the liner 1 to spray and clean tableware in the liner 1, the water in the liner 1 flows into the water cup 3 to be circularly washed, and after the washing is finished, the water in the liner 1 is discharged into a sewer 17. In an alternative embodiment, the washing assembly comprises an inner container 1 and an ultrasonic generator arranged in the inner container 1, when washing, water enters the inner container 1, and the ultrasonic generator cleans tableware in the inner container 1. Therefore, the water outlet a12 of the sterilized water generating device a can be connected with the water cup 3 and also can be connected with the inner container 1, and the sterilized water can flow to the water cup 3 or the inner container 1.
In one embodiment, as shown in fig. 21, the dishwasher further includes a water inlet line assembly, a washing assembly, a sterilizing water generating device a, and a waterway switching structure. Wherein, the first end of the water inlet pipeline component is connected with a water source, and the water inlet pipeline component comprises a water inlet electromagnetic valve 9; the washing component is connected with the second end of the water inlet pipeline component. A water inlet a11 of the sterilized water generating device a is connected with the second end of the water inlet pipeline assembly, a water outlet a12 of the sterilized water generating device a is connected with the washing assembly, and a switch element is arranged between the sterilized water generating device a and the washing assembly and can control the sterilized water generated by the sterilized water generating device a to flow into the washing assembly; the disinfectant water generating device a comprises a water storage structure a1, a discharge electrode a2 and a loop electrode a3 which are arranged in the water storage structure a1, and an air inlet channel, wherein the water storage structure a1 is provided with a water inlet a11 and a water outlet a12, the first end of the discharge electrode a2 is connected with a live wire b1 of a power supply device b, a discharge electrode a2 is suitable for extending into water in the water storage structure a1, a gap is reserved between the second end of the discharge electrode a2 and a box body of the water storage structure a1, the loop electrode a3 is connected with a neutral wire b2 of the power supply device b, and the air inlet channel is arranged on the water storage structure a 1. The waterway switching structure is arranged between the second end of the water inlet pipeline assembly and the washing assembly and the sterilized water generating device a, and has a first state of communicating the water inlet pipeline assembly with the washing assembly and a second state of communicating the water inlet pipeline assembly with the sterilized water generating device a.
In this embodiment, when the dishwasher does not need to prepare sterilized water, but only the washing assembly is fed with water for washing, the water path switching structure is switched to the first state, tap water enters through the first end of the water inlet pipeline assembly, and enters the washing assembly for washing after passing through the second end of the water inlet pipeline assembly; when the dishwasher needs to prepare the sterilized water, the waterway switching structure is switched to the second state, and tap water enters through the first end of the water inlet pipeline assembly and enters the water storage structure a1 through the second end of the water inlet pipeline assembly. The power supply device b provides high-frequency alternating voltage of about 6-15KV to the discharge electrode a2, plasma is generated in a liquid phase environment by high-voltage discharge, disinfectant is sprayed onto tableware through the washing assembly to be disinfected, disinfectant flows through the washing assembly, the washing assembly and a pipeline of the washing assembly can be disinfected, all-directional disinfection is achieved, and the disinfection effect is good.
Specifically, the air pump 5 supplies air to the intake passage.
In addition to the above embodiments, in a preferred embodiment, a flow meter 7 is provided between the sterilized water generating apparatus a and the second end of the water inlet line assembly. In this embodiment, the flow meter 7 is provided to control the amount of water entering the water storage structure a1, so that the amount of generated sterilizing water can be controlled, and further, the sterilizing water can be controlled to be diluted in proportion to the water in the washing assembly, and at the same time, the flow meter 7 can prevent the amount of water entering the water storage structure a1 from being too small or too large, thereby ensuring the preparation efficiency of the sterilizing water.
On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 22, the power supply device b is disposed in the base groove 201. In this embodiment, also set up power supply unit b in base 2's base recess 201, power supply unit b closes on disinfectant water generating device an, is convenient for provide the power for disinfectant water generating device a, and power supply unit b can play the effect of counter weight simultaneously, and space in the base recess 201 that can make full use of need not to occupy extra space in the dish washer, has also reduced the setting of counter weight simultaneously, simple structure is compact. In other alternative embodiments, the power supply means b may be mounted elsewhere, for example outside the housing of the dishwasher, or on the inner side wall of the dishwasher.
Example 2
Embodiment 2 relates to a dishwasher, which is different from the dishwasher of embodiment 1 in that a liquid level sensor e is an electro-optical liquid level sensor that is embedded in a sidewall of the water storage structure a 1. When water in the water storage structure a1 reaches a preset height, the lens of the photoelectric liquid level sensor e can be immersed by the water, light emitted by the light emitting diode can not be received by the photosensitive receiver or only a small amount of light can be received by the photosensitive receiver through the refraction of the water, and when the working condition change is sensed, the photoelectric liquid level sensor e can send a first signal to the control module, so that the control module controls the water inlet pipeline assembly to stop supplying water to the water storage structure a 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (14)
1. A sterilized water generating apparatus, comprising:
a water storage structure (a1) having a water inlet (a11) and a water outlet (a 12);
a discharge electrode (a2) which is arranged in the water storage structure (a1) and is connected with a live wire (b1) of a power supply device (b 2);
a return electrode (a3) connected to the neutral line (b2) of the power supply device (b 2);
a barrier medium disposed between the discharge electrode (a2) and the return electrode (a 3); the air inlet channel is arranged on the water storage structure (a1), is suitable for introducing air and surrounds the outer side of the discharge electrode (a 2);
and the fluid driving mechanism (d) is arranged on the water storage structure (a1) and is used for driving the water in the water storage structure (a1) to flow.
2. Sterile water generator according to claim 1, wherein said fluid driving means (d) comprise:
a rotation source (d1) fixedly arranged outside the water storage structure (a1) and connected with the water storage structure (a 1);
an impeller (d2) disposed within the water storage structure (a1) and driven by the rotational source (d 1).
3. The sterilized water generating apparatus according to claim 2, comprising:
a through hole provided on the water storage structure (a1), through which a rotation shaft of the impeller (d2) passes;
and the water storage structure sealing ring (d3) is sleeved on the rotating shaft of the impeller (d2) and can shield the gap between the through hole and the rotating shaft.
4. The sterilizing water generating device according to any one of claims 1 to 3, wherein a distance between the end of the air intake passage and the tank of the water storage structure (a1) is smaller than a distance between the end of the discharge electrode (a2) and the water storage structure (a 1).
5. The sterilizing water generating device according to any one of claims 1 to 3, wherein the water storage structure (a1) includes a lower cover (a13) and an upper cover (a14) connected to the lower cover (a13), and the discharge electrode (a2) and the return electrode (a3) are both fixedly disposed on the upper cover (a 14).
6. The sterilizing water generating device according to claim 5, wherein the intake passage includes a first insulating tube (a6) disposed around the outside of the discharge electrode (a2), the first insulating tube (a6) being fixed to the upper cover (a 14).
7. The generation apparatus of claim 6, wherein the generation apparatus (a) comprises an electrode holder (a7) fixed to the upper cover (a14), the discharge electrode (a2) is fixed to the electrode holder (a7), the upper end of the first insulating tube (a6) is connected to the electrode holder (a7), an air guide passage communicated with the inside of the first insulating tube (a6) is provided in the electrode holder (a7), and the air guide passage and the first insulating tube (a6) together form the air inlet passage.
8. The sterilizing water generating apparatus according to claim 7, wherein the electrode holder (a7) is provided with a fixing hole (a71) for fixing the discharge electrode (a2), and the air guide passage includes an air guide chamber (a72) surrounding the outside of the fixing hole (a71), and an air inlet (a73) provided on the electrode holder (a 7).
9. The sterilizing water generating device according to claim 8, wherein a first sealing member (a8) is provided between an upper surface of the upper cover (a14) and the electrode holder (a7), the first sealing member (a8) includes a ring-shaped body portion (a81), an inner side of the body portion (a81) has a first groove (a82), the first insulating tube (a6) includes a vertical cylindrical portion (a61) and a first bent edge (a62) provided at a tip of the vertical cylindrical portion (a61) and extending radially outward, and the first bent edge (a62) is embedded in the first groove (a 82).
10. The sterilizing water generating device according to claim 8, further comprising a fluid discharge part (a5) provided on the water storage structure (a1), the fluid discharge part (a5) communicating the inside and the outside of the water storage structure (a 1).
11. The generation apparatus of sterilized water according to claim 8, wherein a second groove (a711) is provided in the fixing hole (a71), and the discharge electrode (a2) has a second bent side (a21) adapted to be inserted into the second groove (a 711).
12. The sterilized water generating apparatus according to claim 5, wherein a third bent side (a31) is provided outside the circuit electrode (a3), and the third bent side (a31) is fixedly connected to the upper cover (a 14).
13. The sterilizing water generating device according to any one of claims 1 to 3, further comprising an insulating stand pipe (a9) provided in the water storage structure (a1) in a vertical direction; the insulated riser (a9) is adapted to mount a level sensor.
14. A dishwasher, characterized by comprising a housing and a sterilized water generating apparatus (a) according to any of claims 1 to 13.
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| CN202111341783.6A CN113925431B (en) | 2021-11-12 | 2021-11-12 | Sterilizing water generating device and dish washer |
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