WO2023082789A1

WO2023082789A1 - Dishwasher

Info

Publication number: WO2023082789A1
Application number: PCT/CN2022/116595
Authority: WO
Inventors: 施国志; 罗超; 张林峰; 刘瑶; 鄢贵祥; 马明宇
Original assignee: 珠海格力电器股份有限公司
Priority date: 2021-11-12
Filing date: 2022-09-01
Publication date: 2023-05-19
Also published as: CN113876274A

Abstract

The present application relates to the technical field of household appliances, and in particular to a dishwasher, comprising a base and a washing assembly. A base groove is formed in the position of the base close to the rear side of the base. The dishwasher further comprises a power supply device and a disinfectant fluid generating device. The disinfectant fluid generating device is provided in the base groove and comprises: a water storage structure provided with a water inlet and a water outlet, the water inlet being suitable for being communicated with a water source, and the water outlet being connected to the washing assembly; a discharge electrode, which is connected to a live wire of the power supply device; a loop electrode, which is connected to a null wire of the power supply device; a blocking medium, provided between the loop electrode and the discharge electrode; and an air inlet channel, provided on the water storage structure and suitable for introducing air.

Description

dishwasher

This application claims the priority of the patent application with the application number 202111344917.X and the invention name "dishwasher" submitted to the State Intellectual Property Office of China on November 12, 2021.

technical field

The present application relates to the technical field of household appliances, in particular to a dishwasher.

Background technique

With the improvement of living standards, dishwashers have gradually entered ordinary families, freeing hands and improving the quality of life. Generally, the main core components of an existing dishwasher include: an inner tank assembly, a water cup assembly, a spray arm assembly, a filter assembly, a washing pump, a drainage pump, pipelines, and the like. Dishwashers currently on the market generally perform main cleaning and tableware disinfection at high temperatures (about 70°C).

In the prior art, there are some dishwashers that use UVC ultraviolet lamps to sterilize, add silver ions to the parts and materials to inhibit bacteria, steam high-temperature disinfection, hot air drying and other disinfection methods. The above disinfection methods are mainly used to disinfect the surface of tableware. The internal effect of the parts is not good.

There are also some dishwashers in the prior art that use ozone water to sterilize. Because the solubility of ozone in water is low, the sterilization effect is not ideal, and most of the overflowed ozone is harmful to human body.

Contents of the invention

Therefore, the technical problem to be solved in the present application is to overcome the defect of poor disinfection effect of the dishwasher in the prior art, so as to provide a dishwasher with good disinfection effect.

In order to solve the above technical problems, the application provides a dishwasher, which includes a base, a washing assembly, and a base groove on the base near its rear side, the dishwasher also includes a power supply device, a disinfectant water generator, The disinfectant water generating device is arranged in the groove of the base.

Optionally, a drain pump is provided on the base, and the dishwasher further includes an overflow protection device, which can control the operation of the drain pump when water enters the base.

Optionally, a fluid discharge part is provided on the water storage structure, and a base overflow port is provided on the side wall of the groove of the base. When the water storage structure overflows, water can flow into the base through the fluid discharge part and the base overflow port in sequence. .

Optionally, a diversion groove is provided in the groove of the base, and the overflow port of the base is arranged at the bottom of the diversion groove.

Optionally, the overflow protection device can also control the operation of the switch element when water enters the base.

Optionally, the disinfectant water generating device includes: a water storage structure with a water inlet and a water outlet, the water inlet is suitable for communicating with a water source, and the water outlet is connected to the washing component; the discharge electrode is arranged in the water storage structure, and the discharge electrode is connected to the power supply The live wire connection of the device; the return electrode, the return electrode is connected to the neutral line of the power supply device; the blocking medium is arranged between the return electrode and the discharge electrode; the air intake channel is arranged on the water storage structure, and the air intake channel is suitable for entering air , the air intake channel surrounds the outside of the discharge electrode.

Optionally, the distance between the end of the air intake channel and the tank of the water storage structure is smaller than the distance between the end of the discharge electrode and the tank.

Optionally, the water storage structure includes a lower cover and an upper cover sealedly connected with the lower cover, and both the discharge electrode and the return electrode are fixedly arranged on the upper cover.

Optionally, the air intake channel includes a first insulating tube arranged around the outer side of the discharge electrode, and the first insulating tube is fixed on the upper cover.

Optionally, the disinfectant water generating device includes an electrode holder fixed on the upper cover, the discharge electrode is fixed on the electrode holder, the upper end of the first insulating tube is sealed and connected to the electrode holder, and the electrode holder is provided with a An air guide channel connected inside the insulating tube, the air guide channel and the first insulating tube together form an air intake channel.

Optionally, the electrode holder is provided with a fixing hole for fixing the discharge electrode, and the air guiding channel includes an air guiding cavity surrounding the fixing hole and an air inlet arranged on the electrode fixing frame and communicating with the gas guiding cavity.

Optionally, a first sealing member is provided between the upper surface of the upper cover and the electrode holder, the first sealing member includes an annular body portion, the inner side of the body portion has a first groove, and the first insulating tube includes a vertical cylinder shaped part and the first bent edge arranged at the top end of the vertical cylindrical part and extending radially outward, the first bent edge is embedded in the first groove, and the seal is located between the upper surface of the upper cover and the electrode holder between;

And/or, a second groove is provided in the fixing hole, and the discharge electrode has a second bent edge suitable for being embedded in the second groove;

And/or, the return electrode is provided with a third bent edge, and the third bent edge is fixedly connected with the upper cover.

Optionally, the first sealing member further includes several annular sealing ribs provided at the upper end and/or the lower end of the body portion.

Optionally, the switching element is a water pump.

Optionally, the power supply device is arranged in the groove of the base.

Optionally, an air pump is also provided on the base, and the air pump is connected with the air intake channel.

Optionally, the base is also provided with: a respirator, the water inlet end of the respirator is suitable for communicating with the water source, and a water inlet control element is arranged between the respirator and the water source; a water softener, the water inlet end of the water softener and the respirator The water outlet of the water softener is connected with each other, and the water outlet of the water softener is connected with the water inlet of the water storage structure and the washing assembly at the same time.

Optionally, a flow meter is provided between the water softener and the water storage structure.

The technical solution of the present application has the following advantages:

In the dishwasher provided by this application, when disinfection is required, the sterilized water generated in the water storage structure flows into the washing component, mixed and diluted with the water in the washing component, and the sterilizing solution is sprayed onto the tableware through the washing component for disinfection , Disinfectant water flows through the washing assembly, which can sterilize the washing assembly and the pipeline of the washing assembly, realize all-round disinfection, and have a good disinfection effect. Moreover, the disinfection water discharged from the dishwasher not only does not pollute the environment, but also purifies the sewage.

At the same time, in the prior art, the base groove near the rear side of the base is usually used to place counterweights to balance the dishwasher. In the dishwasher provided by the application, disinfectant water is placed in the base groove The generating device, the disinfecting water generating device can play the role of counterweight, can make full use of the space in the groove of the base, does not need to occupy additional space in the dishwasher, and also reduces the setting of counterweight, and has a simple and compact structure.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application, and do not constitute an improper limitation of the present application. In the attached picture:

In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or prior art. Obviously, the accompanying drawings in the following description The figures show some implementations of the present application, and those skilled in the art can obtain other figures based on these figures without any creative effort.

Fig. 1 is the schematic diagram of the water circuit of the dishwasher provided in the embodiment of the present application;

Fig. 2 is a partial structural schematic diagram of the dishwasher provided in the embodiment of the present application;

Fig. 3 is a partial structural schematic diagram of Fig. 2;

Fig. 4 is a schematic structural diagram of the connection between the disinfectant water generating device and the power supply device of Fig. 1;

Fig. 5 is a sectional view of the disinfectant water generating device;

Fig. 6 is a schematic structural view of a disinfectant water generating device;

Fig. 7 is the structure schematic diagram that electrode holder is fixed with discharge electrode;

Fig. 8 is a structural schematic diagram of an angle of the electrode holder;

Fig. 9 is a structural schematic diagram of another angle of the electrode holder;

Figure 10 is a sectional view of the electrode holder;

Fig. 11 is the structural representation of discharge electrode;

Figure 12 is a sectional view of the discharge electrode;

Fig. 13 is a schematic structural view of the first sealing member;

Figure 14 is a cross-sectional view of the first seal;

Fig. 15 is a schematic structural view of the first insulating tube;

Fig. 16 is a cross-sectional view of the first insulating tube;

Fig. 17 is a structural schematic diagram of a return electrode;

Fig. 18 is a schematic structural view of the second sealing member;

Fig. 19 is a cross-sectional view of the disinfectant water generating device provided in an alternative embodiment of the present application;

Fig. 20 is a schematic structural view of a disinfectant water generating device provided in an alternative embodiment of the present application;

Figure 21 is a schematic structural view of the base;

Figure 22 is a partial structural schematic diagram of the base;

Figure 23 is a schematic structural view of the bottom cover;

Figure 24 is a sectional view of Figure 21;

Fig. 25 is the structural schematic diagram of the microswitch and the support of Fig. float;

Fig. 26 is a structural schematic diagram of a micro switch at an angle;

Fig. 27 is a structural schematic diagram of the micro switch at another angle;

Figure 28 is a schematic diagram of the structure of the foam.

Explanation of reference signs:

a. Disinfectant water generating device; a1, water storage structure; a11, water inlet; a12, water outlet; a13, lower cover; a14, upper cover; a141, upper cover groove; a2, discharge electrode; a21, second bend Folding; a22, discharge electrode body; a23, insulating sleeve; a3, return electrode; a31, third bending edge; a5, fluid discharge part; a6, first insulating tube; a61, vertical cylindrical part; a62, a7, electrode fixing frame; a71, fixing hole; a711, second groove; a72, air guide chamber; a73, air inlet; a8, first sealing member; a81, body part; a82, The first groove; a83, sealing rib; a109, the second seal;

b. Power supply device; b1, Live wire; b2, Neutral wire;

1. Liner; 2. Base; 201. Base groove; 2011. Base overflow port; 2012. Diversion groove; 2013. First diversion port; 202. Bottom cover; 2021. Diversion surface; 2022. Second Two buckles; 203, water collection tank; 2031, second diversion port; 204, foam; 205, float closure; 2051, bracket; 20511, first buckle; 2052, micro switch; Water cup; 4. Suction pump; 5. Air pump; 6. Water softener; 7. Flow meter; 8. Respirator; 9. Water inlet control element; 10. Drainage pump; 13. Three-way valve; 14. Washing pump; 15 , spray arm; 16, faucet; 17, sewer;

g1, the first pipeline; g2, the second pipeline; g3, the third pipeline; g4, the fourth pipeline; g5, the fifth pipeline; g6, the sixth pipeline; g7, the seventh pipeline; g8 , the eighth pipeline; g9, the first drainage pipe; g10, the second drainage pipe.

Detailed ways

The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplification of the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific orientation construction and operation, therefore should not be construed as limiting the application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In addition, the technical features involved in the different embodiments of the present application described below may be combined as long as they do not constitute a conflict with each other.

Example

As shown in Figures 1 to 28, this embodiment provides a dishwasher.

In one embodiment, the dishwasher includes a base 2, a washing assembly, a power supply device b, and a disinfectant water generator a, as shown in Figure 21 and Figure 22, a base groove is provided on the base 2 near its rear side 201 , the disinfectant water generating device a is set in the groove 201 of the base.

When disinfection is required, the disinfected water generated in the water storage structure a1 flows into the washing assembly, mixed and diluted with the water in the washing assembly, and the disinfectant is sprayed on the tableware through the washing assembly for disinfection, and the disinfecting water flows through the washing assembly. It can disinfect the washing components and the pipeline of the washing components to realize all-round disinfection with good disinfection effect. Moreover, the disinfection water discharged from the dishwasher not only does not pollute the environment, but also purifies the sewage.

At the same time, in the prior art, the base groove 201 near the rear side of the base 2 is usually used to place counterweights to balance the dishwasher. In this embodiment, a disinfectant water generating device is provided in the base groove 201 a, the disinfectant water generating device a can play the role of counterweight, can make full use of the space in the base groove 201, does not need to occupy additional space in the dishwasher, and also reduces the setting of counterweights, and has a simple and compact structure.

On the basis of the above embodiments, in a preferred embodiment, the disinfectant water generator a includes a water storage structure a1, a discharge electrode a2, a return electrode a3, a barrier medium, and an air intake channel. As shown in Figure 5, the water storage structure a1 has a water inlet a11 and a water outlet a12, the water inlet a11 is suitable for communicating with the water source, and the water outlet a12 is connected with the washing assembly; the discharge electrode a2 is arranged in the water storage structure a1, and the discharge electrode a2 Connect with live line b1 of power supply device b; return electrode a3 is connected with neutral line b2 of power supply device b; air intake channel is set on water storage structure a1, the intake channel is suitable for introducing air, and the air intake channel surrounds discharge electrode a2 outside.

In this embodiment, when it is necessary to prepare disinfectant water, the tap water enters the water storage structure a1 through the faucet 16, the power supply device b provides a high-frequency alternating voltage of 6KV-15KV to the discharge electrode a2, and the air enters the water storage structure through the air intake channel In a1, the discharge electrode a2 of the disinfectant water generating device a has a glow discharge phenomenon, and the high-voltage discharge is used to generate plasma in the liquid phase environment. During the discharge, the high-energy electrons around the gas/liquid interface react violently with air and water molecules. Generate highly oxidizing single oxygen atoms, ozonide ion groups, hydrogen peroxide ion groups, hydroxyl groups, nitroso groups, etc., which have a strong ability to kill bacteria and viruses, and produce plasma with the ability to kill bacteria and viruses Plasma disinfection water, the disinfection effect of disinfection water is better than traditional disinfection methods such as high temperature disinfection, steam disinfection, ultraviolet disinfection, and silver ion disinfection.

Wherein, the power supply device b can be a high-frequency high-voltage device, or other devices capable of providing high-voltage electricity. For example, the power supply device b includes a 220V power supply and a transformer connected to the power supply. The discharge electrode a2 is connected to the live wire of the transformer, and the return electrode a3 Connect to the neutral wire of the transformer. The return electrode a3 can be arranged on the outside or inside of the box body of the water storage structure. When the return electrode a3 is arranged on the outside of the box body, the box body itself is made of insulating material to form a barrier medium. When the return electrode a3 is set on the box body When the inner side of the loop electrode a3 and the discharge electrode a2 are provided with a barrier medium made of insulating material, the barrier medium can specifically be an insulating sleeve wrapped outside the loop electrode a3 or the discharge electrode a2.

On the basis of the above embodiments, in a preferred embodiment, a switch element is provided between the disinfectant water generator a and the washing assembly, and the switch element can control the disinfectant water generated in the water storage structure a1 to flow into the washing assembly.

In one embodiment, the washing assembly includes a water cup 3, a washing pump 14, a spray arm 15, and an inner container 1. When washing, water enters the water cup 3, and the washing pump 14 pumps the water in the water cup 3 into the spray arm 15, and the water is sprayed. The arm 15 sprays water into the inner tank 1 to spray and clean the tableware in the inner tank 1. The water in the inner tank 1 will flow into the water cup 3 for circular washing. After the washing is completed, the water in the inner tank 1 will be discharged into the Sewer 17. In an alternative embodiment, the washing assembly includes an inner container 1 and an ultrasonic generator arranged in the inner container 1 , water enters the inner container 1 during washing, and the ultrasonic generator cleans the tableware in the inner container 1 . Therefore, the water outlet a12 of the disinfectant water generating device a can be connected with the water cup 3 or the inner container 1 , and the disinfectant water can flow into the water cup 3 or the inner container 1 . In a preferred embodiment, the water outlet a12 of the disinfectant water generator a is connected to the water cup 3 .

On the basis of the above embodiments, in a preferred embodiment, the base 2 is provided with a drain pump 10, and the dishwasher also includes an overflow protection device, which can control the drain pump when the base 2 is filled with water. 10 jobs. The setting of the overflow protection device can prevent the accumulation of water in the base 2, so as to ensure the service life and running stability of the dishwasher.

As shown in Figure 21, the base 2 includes a base body and a bottom cover 202 arranged on the base body, the bottom cover 202 has a diversion surface 2021, the base body is provided with a water collection tank 203, and the flow guide surface 2021 can guide water into the water collection tank In 203 , foam 204 is provided in the sump 203 . The overflow protection device includes foam 204 in the sump 203 and a floater 205 above the foam 204 . The floater 205 includes a bracket 2051 connected to the bottom cover 202, the bracket 2051 is arranged above the foam 204 and has a gap with the foam 204, the bracket 2051 is provided with a micro switch 2052, and the contact 20521 of the micro switch 2052 faces it Foam 204 on the underside. When the base 2 is filled with water, the water gathers and flows into the sump 203, and the foam 204 floats in the water, resisting the contact 20521 of the micro switch 2052, the micro switch 2052 is turned on, and an overflow alarm is issued to remind the user to deal with it in time. To avoid damage to the dishwasher, the drainage pump 10 starts to work at the same time, continuously drains water, and can only be used normally until the manual recovery is released and the alarm is released.

As shown in FIG. 24 and FIG. 25 , the bracket 2051 is provided with a first buckle 20511 , the bottom cover 202 has a first slot, and the bracket 2051 is connected to the bottom cover 202 through a buckle.

As shown in FIG. 23 , a plurality of second diversion openings 2031 are provided at the edge of the sump 203 , and the second diversion openings 2031 can guide the water on the bottom cover 202 to flow into the sump 203 .

Further referring to FIG. 23 , a second buckle 2022 is provided at the edge of the bottom cover 202 , and the bottom cover 202 is connected to the base body through the buckle.

On the basis of the above embodiments, in a preferred embodiment, the water storage structure a1 is provided with a fluid discharge part a5, and the side wall of the base groove 201 is provided with a base overflow port 2011, and the water storage structure a1 overflows. When flowing, the water can flow into the base 2 through the fluid discharge part a5 and the base overflow port 2011 in sequence. In this embodiment, when the water storage structure a1 overflows, the water can flow into the base 2 through the fluid discharge part a5 and the base overflow port 2011 in sequence, and the flow guide surface 2021 on the bottom cover 202 guides the water into the sump 203 , the foam 204 floats in the water, resists the contact 20521 of the micro switch 2052, the micro switch 2052 is turned on, and an overflow alarm is issued to remind the user to deal with it in time to avoid damage to the dishwasher. Stop draining, and it can be used normally until the manual recovery is released and the alarm is released.

In one embodiment, as shown in FIG. 22 , a diversion groove 2012 is provided in the groove 201 of the base, and the overflow port 2011 of the base is arranged at the bottom of the diversion groove 2012 . In this embodiment, when the water storage structure a1 overflows, the water can flow into the base groove 201 through the fluid discharge part a5 , and flow into the diversion groove 2012 , and then flow into the bottom cover 202 through the base overflow port 2011 .

In one embodiment, further referring to FIG. 21 , the base body is provided with a first diversion port 2013, and the first diversion port 2013 is located at the edge of the bottom cover 202, and can guide the water flowing out from the base overflow port 2011 to flow to the bottom cover. 202 on.

On the basis of the above embodiments, in a preferred embodiment, the overflow protection device can also control the switch element to work when the base 2 is filled with water. In this embodiment, when the water storage structure a1 overflows, the water can flow into the base 2 through the fluid discharge part a5 and the base overflow port 2011 in sequence, and the flow guide surface 2021 on the bottom cover 202 guides the water into the sump 203 , the foam 204 floats in the water, resists the contact 20521 of the micro switch 2052, the micro switch 2052 is turned on, the drainage pump 10 and the switching element work simultaneously, so that the water in the water storage structure a1 flows into the water cup 3, and the drainage pump 10 Start the work and discharge the water continuously.

On the basis of the above embodiments, in a preferred embodiment, the distance between the end of the air intake channel and the tank of the water storage structure a1 is smaller than the distance between the end of the discharge electrode a2 and the tank. It should be noted that the end of the air intake channel is the end of the air intake channel located in the box. Referring to FIG. 2 , the end of the air intake channel is its lower end, and the end of the discharge electrode a2 also refers to its lower end. In this embodiment, it is ensured that the lower end of the discharge electrode a2 forms a gas-liquid interface, so that when the discharge electrode a2 discharges, high-energy electrons around the gas/liquid interface react violently with air and water molecules to generate plasma.

On the basis of the above-mentioned embodiment, in a preferred embodiment, as shown in Figure 5, the water storage structure a1 includes a lower cover a13 and an upper cover a14 sealedly connected with the lower cover a13, and the discharge electrode a2 and the return electrode a3 are both It is fixedly arranged on the upper cover a14. In this embodiment, since the discharge electrode a2 and the return electrode a3 are integrated and installed on the upper cover a14, the structure is simple and compact. During assembly, after the discharge electrode a2 and the return electrode a3 are installed on the upper cover a14, the upper The cover a14 and the lower cover a13 are assembled together by sol welding, which is convenient for improving assembly efficiency. In an alternative embodiment, the discharge electrode a2 is arranged on the upper cover a14, and the return electrode a3 is arranged in a sheet shape on the bottom wall or side wall of the water storage structure a1, as shown in Figure 19 and Figure 20, the return electrode a3 The connection end of a3 connected with the neutral line b2 of the power supply device b is exposed outside the water storage structure a1.

On the basis of the above embodiments, in a preferred embodiment, the air intake channel includes a first insulating tube a6 arranged around the outer side of the discharge electrode a2, and the first insulating tube a6 is fixed on the upper cover a14. In this embodiment, the first insulating tube a6, the discharge electrode a2, and the return electrode a3 are integrated and installed on the upper cover a14, which can further improve assembly efficiency.

Specifically, the first insulating tube a6 may be a glass tube or a ceramic tube.

On the basis of the above embodiment, in a preferred embodiment, the disinfectant water generating device a includes an electrode holder a7 fixed on the upper cover a14, the discharge electrode a2 is fixed on the electrode holder a7, and the first insulating tube a6 The upper end of the upper end is sealed and connected to the electrode holder a7, and the electrode holder a7 is provided with an air guide channel that communicates with the inside of the first insulating tube a6, and the air guide channel and the first insulating tube a6 jointly form an air intake channel. In this embodiment, the electrode fixing frame a7 is not only used to fix the discharge electrode a2, but also can fix the first insulating tube a6, which can further improve the assembly efficiency, and the structure of the air intake channel is relatively simple and does not need to occupy additional space. In other alternative embodiments, the electrode holder a7 is only used to fix the discharge electrode a2, and the air intake channel includes a first air intake section surrounding the lower half of the discharge electrode a2 and an upper end of the first air intake section. The connected second air intake section is fixedly arranged on the upper cover a14 or the side wall of the water tank a1, and the second air inlet section is arranged obliquely.

On the basis of the above embodiment, in a preferred embodiment, as shown in Figure 7 to Figure 10, the electrode holder a7 is provided with a fixing hole a71 for fixing the discharge electrode a2, and the gas guide channel includes The outer air guide cavity a72 and the air inlet a73 arranged on the electrode holder a7 and communicated with the air guide cavity. In this embodiment, air can enter the first insulating tube a6 through the air guide cavity a72, and the electrode fixing frame a7 is used to fix the discharge electrode a2 and fix the first insulating tube a6. The structure is simple and compact, and because the guide The air cavity a72 surrounds the fixing hole a71 to ensure that the air is evenly located outside the discharge electrode a2.

Specifically, referring to FIG. 5 and FIG. 7 , the electrode fixing frame a7 is provided with screw holes, and the electrode fixing frame a7 is connected to the upper cover a14 through screws.

On the basis of the above-mentioned embodiment, in a preferred embodiment, with reference to Fig. 5, Fig. 13, Fig. 14, Fig. 15, Fig. 16, a first seal is provided between the upper surface of the upper cover a14 and the electrode holder a7 A8, the first seal a8 includes an annular body portion a81, the inner side of the body portion a81 has a first groove a82, the first insulating tube a6 includes a vertical cylindrical portion a61 and is provided at the top end of the vertical cylindrical portion a61 And the first bent edge a62 extending radially outward, the first bent edge a62 is embedded in the first groove a82. In this embodiment, the first bending edge a62 at the upper end of the first insulating tube a6 is inserted into the first groove a82 of the first sealing member a8, and after the installation is completed, the electrode fixing frame a7 is pressed against the upper end of the first sealing member a8 , realize the sealed connection between the first insulating tube a6 and the electrode holder, the sealing performance is good, and the first sealing member a8 can buffer and protect the first insulating tube a6, preventing the first insulating tube a6 from being damaged by collision. Wherein, the shape of the first groove a82 is preferably ring-shaped, and correspondingly, the first bending edge a62 is also ring-shaped.

In one embodiment, as shown in FIG. 5 and FIG. 18 , the return electrode a3 and the upper cover a14 are hermetically connected through a second sealing member a109 , and the second sealing member a109 is a sealing ring.

On the basis of the above embodiment, in a preferred embodiment, as shown in Figure 11 and Figure 12, a second groove a711 is provided in the fixing hole a71, and the discharge electrode a2 has a groove suitable for inserting into the second groove a711. The second bent edge a21. In this embodiment, by inserting the second bent edge a21 of the discharge electrode a2 into the second groove a711 in the fixing hole a71, the discharge electrode a2 can be prevented from detaching from the electrode fixing frame a7. Wherein, the shape of the second groove a711 is preferably ring-shaped, and correspondingly, the second bending edge a21 is also ring-shaped. Wherein, the shape of the third bending edge a31 is preferably ring-shaped.

In one embodiment, as shown in FIG. 17 , the upper end of the return electrode a3 is provided with a third bent edge a31 , and the third bent edge a31 is fixedly connected to the upper cover a14 . In this embodiment, the arrangement of the third bent edge a31 facilitates fixing the loop electrode a3 on the upper cover a14. The third bent edge a31 is specifically connected to the upper cover a14 by screwing or welding.

On the basis of the above embodiments, in a preferred embodiment, the first sealing member a8 further includes several annular sealing ribs a83 provided at the upper end and/or the lower end of the body part a81 . In this embodiment, the sealing rib a83 further functions as a seal. Specifically, several sealing ribs a83 may be provided only at the upper end of the main body a81, or several sealing ribs a83 may be provided at the lower end of the main body a81, or both the upper and lower ends of the main body a81 may be provided with sealing ribs a83.

On the basis of the above embodiments, in a preferred embodiment, 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 a141. In this embodiment, by arranging the electrode holder a7 in the installation groove, collision and interference between the electrode holder a7 and other structures can be avoided. The installation space occupied.

Wherein, as shown in Figure 12, the discharge electrode a2 in each of the above-mentioned embodiments includes a discharge electrode body a22 and an insulating sleeve a23 arranged outside the discharge electrode body a22, and the second bending edge a21 is arranged on the second insulating tube. The lower end of the electrode body a22 is set in a needle-point shape to facilitate arc generation.

On the basis of the above embodiments, in a preferred embodiment, the switching element is the water pump 4 . Specifically, the water outlet a12 of the water storage structure a1 is connected to the first end of the water pump 4 through the fourth pipeline g4, and the second end of the water pump 4 is connected to the water cup 3 through the fifth pipeline g5. In this embodiment, regardless of the installation position of the disinfectant water generator a, the disinfectant water generated by the disinfectant water generator a can be pumped into the water cup 3 . In an alternative embodiment, the switch element is a solenoid valve. In this embodiment, it is necessary to make the height of the water outlet a12 of the disinfectant water generator a higher than the water cup 3, and use the gravity of water to flow into the water cup 3. In this In an embodiment, a spacer can be provided in the groove 201 of the base to increase the installation height of the disinfectant water generator a.

On the basis of the above embodiments, in a preferred embodiment, the power supply device b is arranged in the groove 201 of the base. In this embodiment, the power supply device b is also arranged in the base groove 201 of the base 2. The power supply device b is close to the disinfectant water generator a, so as to provide power for the disinfectant water generator a. At the same time, the power supply device b can play a supporting role. The function of weight can make full use of the space in the base groove 201 of the base 2, without occupying additional space in the dishwasher, and at the same time reduce the setting of counterweights, and the structure is simple and compact. In other alternative implementations, the power supply device b can be installed at other locations, such as installed outside the dishwasher casing, or installed on the inner wall of the dishwasher.

On the basis of the above embodiments, in a preferred embodiment, an air pump 5 is further provided on the base 2, and the air pump 5 is connected to the air intake channel. In this embodiment, the air pump 5 provides an air source for the disinfectant water generating device a, so that glow discharge can occur in the water storage structure a1. At the same time, the air pump 5 is integrated on the base 2, which has a compact structure and no Extra parts, neat and beautiful appearance. In other alternative embodiments, the air pump 5 can be arranged outside the dishwasher housing.

On the basis of the above-mentioned embodiment, in a preferred embodiment, the base 2 is also provided with a water softener 6 and a respirator 8, the water inlet end of the water softener 6 is suitable for communicating with the water source, and between the respirator 8 and the water source A water inlet control element 9 is provided, and the water inlet end of the water softener 6 is connected with the water outlet end of the respirator 8, and the water outlet end of the water softener 6 is also connected with the water inlet a11 of the water storage structure a1 and the washing assembly. Specifically, the water from the water source enters the respirator 8 through the sixth pipeline g6, and then enters the water softener 6 through the seventh pipeline g7. In this embodiment, the setting of the water softener 6 can soften the water before entering the disinfectant water generator a and the water cup 3, and use soft water for glow discharge to avoid the discharge electrode a2 and the return electrode a3 in the disinfectant water generator a. Fouling occurs. In this embodiment, by providing the respirator 8 , the water vapor in the inner bag 1 can be discharged, and the water can be buffered when water enters.

Specifically, in one embodiment, the water outlet end of the water softener 6 is connected to the water inlet end of the three-way valve 13 through the eighth pipeline g8, and the first water outlet end of the three-way valve 13 is connected to the water inlet a11 of the water storage structure a1, The second water outlet of the three-way valve 13 is connected to the water cup 3. When the water inlet of the three-way valve 13 is connected with the first water outlet, water can enter the water storage structure a1. When the water inlet of the three-way valve 13 is connected to the first water outlet When the second water outlet is connected, water can enter the water cup 3, and the dishwasher can be provided with the functions of washing and preparing sterilized water by controlling the state of the three-way valve 13.

On the basis of the above embodiments, in a preferred embodiment, a flow meter 7 is provided between the water softener 6 and the water storage structure a1. Specifically, the first water outlet end of the three-way valve 13 is connected to the first end of the flowmeter 7 through the first pipeline g1, and the water inlet a11 of the disinfectant water generator a is connected to the second end of the flowmeter 7 through the second pipeline. G2 is connected, and the second water outlet end of the three-way valve 13 is connected with the washing component through the third pipeline g3. In this embodiment, the arrangement of the flow meter 7 can control the amount of water entering the water storage structure a1, thereby controlling the amount of disinfected water produced, and then controlling the dilution of the disinfected water with the water in the water cup 3 in proportion. At the same time, the flow rate The setting of the meter 7 can avoid too little or too much water entering the water storage structure a1, and ensure the preparation efficiency of the disinfection water.

For the dishwasher provided in this embodiment, as shown in Figures 1 to 3, when the dishwasher does not need to prepare disinfectant water, and only the washing cavity is washed with water, the three-way valve 13 is switched to the first state, and the tap water is sequentially Flow through the faucet 16, the sixth pipeline g6, the water inlet control element 9, the seventh pipeline g7, the respirator 8, the water softener 6, the eighth pipeline g8, the three-way valve 13, and the third pipeline g3 into the water cup 3 , the washing pump 14 pumps the water in the water cup 3 into the spray arm 15, and the spray arm 15 sprays the water into the inner tank 1 to spray and clean the tableware in the inner tank 1, and the water in the inner tank 1 will flow into the water cup In step 3, cycle washing is performed, and after the washing is completed, the water is discharged into the sewer 17 through the drain pump 10, the first drain pipe g9, the respirator 8U-shaped structure, and the second drain pipe g10. When the dishwasher needs to prepare disinfectant water, the water circuit switching structure switches to the second state, and the tap water flows through the faucet 16, the sixth pipeline g6, the water inlet control element 9, the seventh pipeline g7, the respirator 8, and the water softener in sequence 6. The eighth pipeline g8, the three-way valve 13, the first pipeline g1, the flow meter 7, and the second pipeline g2 enter the water storage structure a1 of the disinfectant water generator a, and electrolytically generate disinfection in the water storage structure a1. water. When disinfection work is required, the water pump 4 is turned on, so that the disinfected water generated in the water storage structure a1 flows through the fourth pipeline g4, the water pump 4, and the fifth pipeline g5 to enter the water cup 3, and then enter the water cup 3. The water is mixed and diluted, and the washing pump 14 pumps the sterilized water in the water cup 3 into the spray arm 15, and the spray arm 15 sprays the sterilized water onto the inner tank 1 and the tableware in the inner tank 1 to sterilize the tableware, and the sterilized water flows through the water cup 3. The washing pump 14, the spray arm 15, and the liner 1 can be disinfected in all directions, and the disinfection effect is good. After the disinfection is completed, start the washing pump 14 to discharge the disinfection water and washing water, then start the hot air drying device to dry the tableware and the washing chamber, and finally the dishwasher can achieve the integrated effect of washing, disinfection and storage.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes or changes derived therefrom are still within the protection scope of the invention of the present application.

Claims

A dishwasher, comprising a base (2) and a washing assembly, the base (2) is provided with a base groove (201) at a position close to its rear side, characterized in that the dishwasher also includes a power supply The device (b), the disinfectant water generator (a), the disinfectant water generator (a) is arranged in the groove (201) of the base.
The dishwasher according to claim 1, characterized in that, the base (2) is provided with a drain pump (10), and the dishwasher also includes an overflow protection device, and the overflow protection device can When the base (2) is filled with water, the drainage pump (10) is controlled to work.
The dishwasher according to claim 2, characterized in that, the water storage structure (a1) is provided with a fluid discharge part (a5), and the side wall of the base groove (201) is provided with a base overflow port ( 2011), when the water storage structure (a1) overflows, water can flow into the base (2) through the fluid discharge part (a5) and the base overflow port (2011) in sequence.
The dishwasher according to claim 3, characterized in that, a diversion groove (2012) is provided in the base groove (201), and the base overflow port (2011) is arranged in the diversion groove ( 2012) at the bottom.
The dishwasher according to claim 4, characterized in that the overflow protection device can also control the switch element to work when the base (2) is filled with water.
The dishwasher according to any one of claims 1-5, wherein the disinfectant water generator (a) comprises:

The water storage structure (a1) has a water inlet (a11) and a water outlet (a12), the water inlet (a11) is suitable for communicating with a water source, and the water outlet (a12) is connected to the washing component;

The discharge electrode (a2) is arranged in the water storage structure (a1), and the discharge electrode (a2) is connected to the live wire (b1) of the power supply device (b);

A return electrode (a3), the return electrode (a3) is connected to the neutral line (b2) of the power supply device (b);

a blocking medium, arranged between the return electrode (a3) and the discharge electrode (a2);

The air intake channel is arranged on the water storage structure (a1), the air intake channel is suitable for introducing air, and the air intake channel surrounds the outer side of the discharge electrode (a2).
The dishwasher according to claim 6, characterized in that, the distance between the end of the air intake channel and the box body of the water storage structure (a1) is smaller than the distance between the end of the discharge electrode (a2) and the The distance between the boxes mentioned above.
The dishwasher according to claim 6, characterized in that, the water storage structure (a1) comprises a lower cover (a13) and an upper cover (a14) sealingly connected with the lower cover (a13), the put Both the electrode (a2) and the return electrode (a3) are fixedly arranged on the upper cover (a14).
The dishwasher according to claim 8, characterized in that, the air intake channel comprises a first insulating pipe (a6) arranged around the outer side of the discharge electrode (a2), and the first insulating pipe (a6) fixed on the upper cover (a14).
The dishwasher according to claim 9, characterized in that the disinfectant water generating device (a) includes an electrode fixing frame (a7) fixed on the upper cover (a14), and the discharge electrode (a2) fixed on the electrode holder (a7), the upper end of the first insulating tube (a6) is sealed and connected to the electrode holder (a7), and the electrode holder (a7) is provided with the An air guide channel connected inside the first insulating tube (a6), the air guide channel and the first insulating tube (a6) together constitute the air intake channel.
The dishwasher according to claim 10, characterized in that, the electrode fixing frame (a7) is provided with a fixing hole (a71) for fixing the discharge electrode (a2), and the air guide channel includes a The gas guide cavity (a72) outside the fixing hole (a71) and the electrode holder (a7) is provided on the electrode holder (a7) and communicated with the gas guide cavity (a72).
The dishwasher according to claim 11, characterized in that a first seal (a8) is provided between the upper surface of the upper cover (a14) and the electrode fixing frame (a7), and the first The seal (a8) includes an annular body portion (a81) having a first groove (a82) inside the body portion (a81), and 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, the first bent edge (a62) is embedded in the first groove ( In a82), the sealing member is located between the upper surface of the upper cover (a14) and the electrode holder (a7).
The dishwasher according to claim 12, characterized in that, the first seal (a8) further comprises several annular sealing ribs (a83) arranged at the upper end and/or lower end of the body part (a81) ).
The dishwasher according to any one of claims 1-5, characterized in that, the power supply device (b) is arranged in the groove (201) of the base.
The dishwasher according to any one of claims 1-5, characterized in that an air pump (5) is further provided on the base (2), and the air pump (5) is connected to the air intake channel.
The dishwasher according to any one of claims 1-5, characterized in that, the base (2) is also provided with:

A respirator (8), the water inlet end of the respirator (8) is suitable for communicating with a water source, and a water inlet control element (9) is arranged between the respirator (8) and the water source;

A water softener (6), the water inlet end of the water softener (6) is connected to the water outlet end of the respirator (8), and the water outlet end of the water softener (6) is connected to the water inlet of the water storage structure (a1) The water port (a11) is connected with the washing component.
The dishwasher according to claim 16, characterized in that a flow meter (7) is provided between the water softener (6) and the water storage structure (a1).
The dishwasher according to claim 11, characterized in that, a second groove (a711) is provided in the fixing hole (a71), and the discharge electrode (a2) has a (a711) to the second bent edge (a21).
The dishwasher according to claim 11, characterized in that, the return electrode (a3) is provided with a third bent edge (a31), and the third bent edge (a31) is connected to the upper cover ( a14) Fixed connection.