CN119157436A

CN119157436A - Home appliances

Info

Publication number: CN119157436A
Application number: CN202310907629.3A
Authority: CN
Inventors: 郑永波; 龚连发; 刘文涛
Original assignee: Hisense Home Appliances Group Co Ltd
Current assignee: Hisense Home Appliances Group Co Ltd
Priority date: 2023-06-20
Filing date: 2023-07-21
Publication date: 2024-12-20
Also published as: CN220695204U; CN220695205U; CN119157437A; CN220937973U; CN220917369U; CN220675936U; CN220695203U; CN220658478U; CN220635484U; CN220695202U; CN119157438A; CN119157439A; CN119157441A; CN119157440A

Abstract

The invention relates to a household appliance, comprising: a box; an inner cavity provided in the box; a first steam generator, used for heating liquid to form steam; a first pipeline, a first end of the first pipeline is connected to an outlet end of the first steam generator, a second end of the first pipeline is provided with a nozzle, and the nozzle is arranged in the inner cavity; a second pipeline, a first end of the second pipeline is connected to an inlet end of the first steam generator, and a second end of the second pipeline is used for connecting liquid; the liquid can be transported into the first steam generator through the second pipeline to be heated to form steam, and the steam is sprayed into the inner cavity through the first pipeline and the nozzle to clean the inner wall of the inner cavity, and the inner wall of the inner cavity is cleaned by using the steam to carry a detergent, thereby improving the cleaning effect of the inner wall of the inner cavity, thereby realizing the cleaning function of the inner cavity of the household appliance, and effectively solving the problem that the cavity of the household appliance is difficult to clean.

Description

Household appliance

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a household appliance.

Background

With the development of technology, household appliances such as ovens and dish washers are becoming more popular. With the improvement of living standard, the performance requirements of people on household appliances such as ovens, dish washers and the like are also higher and higher.

At present, some related household appliances generally have high-temperature cleaning, steam cleaning and oxidation self-cleaning modes for cleaning oil stains on the inner wall of a cavity of the household appliance, wherein the steam cleaning is auxiliary cleaning and can only clean light oil stains, the oxidation self-cleaning has short timeliness and needs frequent replacement, the high-temperature cleaning requires stronger sealing performance, but the sealing material in the household appliances such as an oven, a dish washer and the like has the highest temperature resistance of 280 ℃, and the high-temperature self-cleaning temperature of the whole cavity requires about 450 ℃, so that the high-temperature cleaning cannot be generally used, and the inner wall of the cavity of the household appliance is difficult to clean.

Disclosure of Invention

The invention aims to provide a household appliance so as to optimize a cleaning structure of the household appliance in the related technology and efficiently solve the problem that a cavity of the household appliance is difficult to clean.

In order to solve the technical problems, the invention adopts the following technical scheme:

According to one aspect of the invention, a household appliance is provided, which comprises a box body forming a shell outside the household appliance, an inner cavity arranged in the box body, a first steam generator arranged in the box body and used for heating liquid to form steam, a first pipeline, a first end of which is communicated with an outlet end of the first steam generator, a second end of which is provided with a nozzle, the nozzle is arranged in the inner cavity, and a second pipeline, the first end of which is communicated with an inlet end of the first steam generator, and the second end of which is used for being connected with liquid, wherein the liquid can be conveyed into the first steam generator through the second pipeline to be heated to form steam, and the steam can be sprayed into the inner cavity through the first pipeline and the nozzle to clean the inner wall of the inner cavity.

The embodiment of the invention has the following positive effects:

In the household appliance provided by the embodiment of the invention, the nozzle is arranged in the inner cavity of the box body, the first steam generator is arranged in the box body to heat to form steam power, the second pipeline is used for conveying liquid into the first steam generator to heat to form steam, the steam is sprayed into the inner cavity through the first pipeline and the nozzle to clean the inner wall of the inner cavity, the inner wall of the inner cavity is cleaned by using the steam to carry a cleaning agent, the cleaning effect on the inner wall of the inner cavity is improved, the cleaning function on the inner part of the inner cavity of the household appliance is further realized, and the problem that the cavity of the household appliance is difficult to clean is effectively solved.

Drawings

Fig. 1 is a schematic structural view of a home appliance according to a first embodiment of the present invention.

Fig. 2 is a schematic view of a part of the structure of the inside of fig. 1.

Fig. 3 is a schematic view of the structure of fig. 2 at another view angle.

Fig. 4 is a schematic view of a portion of the structure of fig. 3 at another view angle.

Fig. 5 is an enlarged schematic view of the area a in fig. 4.

Fig. 6 is a top view of fig. 2.

Fig. 7 is a sectional view taken along line B-B in fig. 6.

Fig. 8 is an enlarged schematic view of the area C in fig. 7.

Fig. 9 is a schematic view of a portion of the cleaning system of fig. 3.

Fig. 10 is a schematic view of a part of the structure in fig. 9.

Fig. 11 is a schematic view of another part of the structure in fig. 9.

Fig. 12 is a schematic view of the structure of fig. 11 at another viewing angle.

Fig. 13 is a schematic structural view of a home appliance according to a second embodiment of the present invention.

Fig. 14 is a partial schematic view of the inside of fig. 13.

Fig. 15 is a schematic view of the structure of fig. 14 with the cleaning cartridge and the water purifying cartridge removed.

Fig. 16 is a schematic view of the structure of fig. 15 at another viewing angle.

Fig. 17 is a schematic view of a portion of the structure of fig. 16 at another viewing angle.

Fig. 18 is an enlarged schematic view of the area D in fig. 19.

Fig. 19 is a top view of fig. 14.

Fig. 20 is a sectional view taken along the direction E-E in fig. 19.

Fig. 21 is an enlarged schematic view of the area F in fig. 20.

Fig. 22 is a schematic view of a portion of the cleaning system of fig. 16.

Fig. 23 is a schematic view of a part of the structure in fig. 22.

Fig. 24 is a schematic view of another part of the structure in fig. 22.

Fig. 25 is a schematic view of the structure of fig. 23 at another viewing angle.

The reference numerals are as follows, 1, a box body, 10, an inner cavity, 11, an inner container, 113, a water collecting tank, 114, a water outlet, 115, a filtering cover, 12, a door frame, 121, a door seal, 13, a heat dissipation air duct, 131, a heat dissipation fan, 132, a wind scooper, 14, a supporting top plate, 15, a supporting back plate, 2, a door, 31, a clear water box, 32, a water inlet pipe, 33, a water pump, 34, a second steam generator, 35, a fourth pipe, 41, a first steam generator, 42, a circulating pump, 43, a sewage box, 44, a first pipe, 441, a nozzle, 45, a drain pipe, 46, a second pipe, 461, a first switching valve, 47, a third pipe, 471, a second switching valve, 48, a cleaning box, 49, a cleaning pump, 410, a water purifying box, 411, a fifth pipe, 412, a third switching valve, 5 and a controller.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It will be understood that the invention is capable of various modifications in various embodiments, all without departing from the scope of the invention, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the invention.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Fig. 1 is a schematic view of a structure of a home appliance according to an embodiment of the present invention. Fig. 2 is a schematic view of a part of the structure of the inside of fig. 1. Fig. 3 is a schematic view of the structure of fig. 2 at another view angle. Fig. 4 is a schematic view of a portion of the structure of fig. 3 at another view angle. Fig. 5 is an enlarged schematic view of the area a in fig. 4.

Referring to fig. 1 to 5, a household appliance according to a first embodiment of the present invention mainly includes a housing 1 and a cleaning system disposed in the housing 1. The respective structures of the home appliances will be described below using an oven as an example.

Wherein, the box body 1 is constructed as a shell of the household appliance, and the box body 1 is in a rectangular hollow structure. In other embodiments, the case 1 may also have a housing structure with other shapes, and the specific shape of the case 1 may be adjusted according to the need, which is not limited herein.

An inner cavity 10 is formed in the case 1, and the inner cavity 10 can be used for high-temperature cooking treatment such as steaming and baking of food. It should be noted that in other embodiments, the inner cavity 10 may be used as a functional cavity. For example, when the household appliance is a dishwasher, the interior chamber 10 may be used to perform a cleaning process on dishes, e.g., bowls, plates, etc. When the household appliance is a disinfection cabinet, the inner cavity 10 can be used for disinfecting tableware such as bowls, dishes and the like.

An inner container 11 is arranged in the box body 1, and an inner cavity 10 is formed in the inner container 11. The front end of the inner container 11 is provided with an opening, and the front end opening of the inner container 11 is communicated with the inner cavity 10.

In some embodiments, the front side wall of the case 1 is provided with an opening, and the front opening of the case 1 is disposed opposite to the front opening of the inner cavity 10 of the liner 11. Therefore, the food material to be cooked can be put into the inner cavity 10 through the front opening of the case 1 for high temperature cooking treatment. Meanwhile, after cooking is finished, the food material can be taken out from the inner cavity 10 through the front opening of the case 1.

Referring to fig. 1, in some embodiments, a front side of a cabinet 1 is provided with a cabinet door 2. The box door 2 is movably arranged on the front side wall of the box body 1, and the box door 2 can open and close the front side opening of the box body 1, so as to open and close the inner cavity 10.

Referring to fig. 1 and 2, in some embodiments, a door frame 12 is provided on a front side wall of the cabinet 1, and the cabinet door 2 is rotatably connected to the front side of the door frame 12. The front opening of the case 1 is opened at the center of the door frame 12, i.e., the door frame 12 is circumferentially arranged at the periphery of the front opening of the case 1. The front opening of the inner chamber 10 in the inner container 11 is right against the center of the door frame 12, and the door frame 12 is arranged around the periphery of the front opening of the inner container 11. When the door 2 is closed, the peripheral edge of the door 2 is attached to the front side of the door frame 12, and the gap between the door 2 and the door frame 12 is sealed, so that the inner cavity 10 can be closed.

In some embodiments, the front side of the opening of the case 1 is provided with a door seal 121, and the door seal 121 is provided in a gap between the peripheral side of the liner 11 and the door frame 12. When the door 2 is closed, the door 2 can abut against the door seal 121, sealing the gap between the door frame 12 and the door 2, and further sealing the front opening of the case 1, that is, the front opening of the inner cavity 10.

Fig. 6 is a top view of fig. 2. Fig. 7 is a sectional view taken along line B-B in fig. 6.

Referring to fig. 2 to 7, in some embodiments, a heat dissipation air duct 13 is disposed in the case 1, and the heat dissipation air duct 13 is disposed outside the liner 11. Specifically, the heat dissipation air duct 13 may be disposed in a cavity (not labeled in the drawing) formed between the inner container 11 and the case 1. The air inlet end of the heat dissipation air duct 13 is communicated with the cavity, and the air outlet end of the heat dissipation air duct 13 is communicated with the outside of the box body 1. Meanwhile, a heat radiation fan 131 is arranged in the heat radiation air duct 13, the heat radiation fan 131 is used for providing wind power, extracting air in the cavity, and discharging heat in the cavity to the outside of the box body 1 through the heat radiation air duct 13, so that the heat radiation function in the box body 1 is realized.

In some embodiments, the heat dissipation air duct 13 is disposed above the top of the liner 11, and the air outlet end of the heat dissipation air duct 13 faces the front side of the case 1 and communicates with the front side space of the case 1. Therefore, the heat radiation duct 13 can radiate air and heat from the front side of the case 1.

In some embodiments, the heat dissipation fan 131 is disposed at the air inlet end of the heat dissipation air duct 13. The heat dissipation fan 131 adopts a cross-flow fan so as to improve the wind power of the air inlet end of the heat dissipation air duct 13, improve the efficiency of extracting the air in the cavity and further improve the heat dissipation efficiency in the cavity.

Referring to fig. 2 to 8, in some embodiments, a supporting top plate 14 is disposed in the case 1, and the supporting top plate 14 is disposed above the liner 11 at intervals. The top surface of the supporting top plate 14 is provided with a wind scooper 132, and a heat dissipation air duct 13 is formed by enclosing the wind scooper 132 and the supporting top plate 14. At this time, the rear end of the air guide cover 132 serves as the air inlet end of the heat dissipation air duct 13, and the heat dissipation fan 131 is disposed at the rear end of the air guide cover 132. The front end of the air guide cover 132 faces the front side of the box 1 and serves as the air outlet end of the heat dissipation air duct 13.

In some embodiments, the box 1 is further provided with a supporting backboard 15, the supporting backboard 15 is arranged on the back side of the liner 11, the bottom of the supporting backboard 15 is supported on the bottom surface of the box 1, the top of the supporting backboard 15 is connected with the rear end of the supporting top plate 14, and the front end of the supporting top plate 14 is fixed on the front wall of the box 1, so that the supporting top plate 14 can be stably fixed on the upper side of the liner 11.

In some embodiments, a heating device (not shown) is provided in the case 1, and the heating device is provided on the rear wall of the inner container 11, i.e. in the rear area of the inner cavity 10, and is used to heat the air in the inner cavity 10, thereby raising the temperature inside the inner cavity 10.

In some embodiments, a heating fan (not shown in the figure) is disposed at the rear sidewall of the inner cavity 10, and the heating fan is used for generating wind power and delivering hot air generated by the heating device to other areas of the inner cavity 10, so that the inner portion of the inner cavity 10 can be uniformly heated.

It should be noted that, in other embodiments, the heating device may be disposed on the top wall, the bottom wall or other side walls of the inner cavity 10, and the inner portion of the inner cavity 10 may be heated from the top area, the bottom area or other areas of the inner cavity 10.

Fig. 8 is an enlarged schematic view of the area C in fig. 7. Fig. 9 is a schematic view of a portion of the cleaning system of fig. 3. Fig. 10 is a schematic view of a part of the structure in fig. 9.

Referring to fig. 3 to 10, in some embodiments, a cleaning system is provided in the case 1, the cleaning system being used to achieve a self-cleaning function. The cleaning system comprises a fresh water box 31, a water inlet pipe 32, a water pump 33 and a second steam generator 34.

The clean water box 31 is arranged in the box body 1, and the clean water box 31 is used for storing clean water, namely clean water. The first end of the water inlet pipeline 32 is communicated with the clean water box 31, the second end of the water inlet pipeline 32 is communicated with the inlet end of the second steam generator 34, and the outlet end of the second steam generator 34 is communicated with the inner cavity 10 through a fourth pipeline 35. The water pump 33 is arranged on the water inlet pipeline 32, the water pump 33 is used for pumping the clean water in the clean water box 31 into the second steam generator 34, the clean water is heated by the second steam generator 34, formed steam can be conveyed into the inner cavity 10 through the outlet end of the second steam generator 34 and the fourth pipeline 35, and the inner cavity 10 is subjected to steam cooking or steam cleaning function through the steam, and at the moment, the fourth pipeline 35 is used as a steam pipeline.

It should be noted that, in other embodiments, the second steam generator 34 may not be operated, that is, the second steam generator 34 does not heat the water flowing through, and only the water pump 33 is used to convey the clean water in the clean water box 31 into the inner cavity 10 through the water inlet pipeline 32, the second steam generator 34 and the fourth pipeline 35, so as to provide clean water inside the inner cavity 10. In addition, the working temperature of the second steam generator 34 can be adjusted, that is, the second steam generator 34 heats water, so that the temperature of the water in the second steam generator 34 is adjusted to form hot water, but the hot water is ensured not to become steam, and hot water with different temperatures can be provided for the inner cavity 10 through the fourth pipeline 35, and the fourth pipeline 35 is used as a water supply pipeline.

In some embodiments, the fresh water cartridge 31 is secured above the support top plate 14. The water inlet pipe 32 is provided on the back side of the liner 11 and is fixed to the back surface of the support back plate 15. The water pump 33 and the second steam generator 34 are fixed to the back surface of the support back 15.

In some embodiments, an end of the fourth conduit 35 remote from the second steam generator 34 passes through the support back 15 and protrudes from the rear wall of the inner container 11 into the inner container 11.

Fig. 11 is a schematic view of another part of the structure in fig. 9. Fig. 12 is a schematic view of the structure of fig. 11 at another viewing angle.

Referring to fig. 2 to 13, in some embodiments, the cleaning system further includes a first steam generator 41, a circulation pump 42, and a sewage box 43.

Wherein the first steam generator 41 is for generating steam and for cleaning the inner wall of the inner chamber 10, the outlet end of the first steam generator 41 is in communication with a first end of a first pipe 44, and a second end of the first pipe 44 extends into the inner chamber 10. The second end of the first conduit 44 forms a nozzle 441, the nozzle 441 being arranged in the inner chamber 10 and being in communication with the inner chamber 10. Therefore, the steam generated by the first steam generator 41 can be sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441, and further used for steam cleaning of the inner wall of the inner cavity 10.

It should be noted that, in other embodiments, a nozzle (not shown) may be disposed at the second end of the first pipe 44, the nozzle may be detachably disposed in the inner cavity 10, and the nozzle 441 is formed on the nozzle, so that the steam generated by the first steam generator 41 may be delivered into the nozzle through the first pipe 44, and then sprayed into the inner cavity 10 through the nozzle 441 on the nozzle, so as to clean the inner wall of the inner cavity 10.

Referring to fig. 3 to 12, in some embodiments, a circulation pump 42 is disposed in the tank 1 and outside the liner 11, a water outlet end of the circulation pump 42 is connected to a first end of a second pipe 46, and a second end of the second pipe 46 is connected to an inlet end of the first steam generator 41. Meanwhile, a water collecting tank 113 is concavely arranged at the center of the bottom of the inner cavity 10, a water outlet 114 is arranged at the bottom of the water collecting tank 113, a water outlet 45 is arranged below the bottom of the inner container 11, the water collecting tank 113 is communicated with a first end of the water outlet 45 through the water outlet 114, and a second end of the water outlet 45 is communicated with a water inlet end of the circulating pump 42. Therefore, the circulation pump 42 can pump the cleaning liquid in the water collecting tank 113, that is, the liquid in the inner cavity 10 through the drain pipe 45 and the drain port 114, and convey the pumped liquid into the first steam generator 41 through the second pipeline 46 for heating, and high-pressure steam carrying the cleaning liquid is formed after heating, and the high-pressure steam is conveyed to the inner cavity 10 through the first pipeline 44 and the nozzle 441, so that the inner wall of the inner cavity 10 is cleaned. The first steam generator 41 may employ a flow path steam generator, and thus generate high pressure steam carrying the cleaning liquid by controlling the temperature.

Before the cleaning operation, the detergent may be placed in the water collecting tank 113 in advance, the clean water in the clean water box 31 is delivered into the inner cavity 10 by the water pump 33, so as to dissolve the detergent, the cleaning liquid mixed with the detergent and water is filled in the water collecting tank 113, the cleaning liquid in the inner cavity 10 is pumped by the circulating pump 42, the cleaning liquid is delivered into the first steam generator 41 by the second pipeline 46 for heating, high-pressure steam carrying the cleaning liquid is formed after heating, and the high-pressure steam is delivered into the inner cavity 10 by the first pipeline 44 and the nozzle 441, so as to clean the inner wall of the inner cavity 10.

Referring to fig. 2 to 12, in some embodiments, the sewage box 43 is disposed inside the tank 1 and outside the liner 11. The water outlet end of the circulation pump 42 is also connected to a first end of a third pipe 47, and a second end of the third pipe 47 is connected to the sewage box 43. Therefore, when the inner wall of the inner chamber 10 is cleaned circularly, the sewage in the inner chamber 10 can be pumped by the circulating pump 42, discharged from the inner chamber 10 through the third pipe 47, and transferred into the sewage box 43 for collection.

In other embodiments, the sewage box 43 may be disposed outside the case 1. Or the second end of the third pipe 47 may be directly connected to the outside of the tank 1. After the inner wall of the inner chamber 10 is cleaned circularly, the sewage in the inner chamber 10 can be pumped by the circulating pump 42, discharged out of the inner chamber 10 through the third pipeline 47, and directly discharged out of the tank 1.

Referring to fig. 3 and 4, in some embodiments, a first switch valve 461 is disposed on the second pipe 46, and the first switch valve 461 is used for opening and closing the second pipe 46. The first switch valve 461 is disposed at a first end of the second pipe 46 and at a connection portion between the second pipe 46 and an outlet end of the circulation pump 42. Meanwhile, a second switch valve 471 is provided at a first end of the third pipe 47, and the second switch valve 471 is used for opening and closing the third pipe 47. The second switch valve 471 is disposed at a first end of the third pipe 47 and at a junction between the third pipe 47 and an outlet end of the circulation pump 42. The first switch valve 461 and the second switch valve 471 may each employ electromagnetic valves.

Therefore, when the inner wall of the inner cavity 10 needs to be cleaned in a circulating way, the second pipeline 46 can be opened through the first switch valve 461, and the third pipeline 47 can be closed through the second switch valve 471, so that the circulating pump 42 can convey the extracted liquid into the first steam generator 41 through the second pipeline 46 for heating, high-pressure steam carrying cleaning liquid is formed after heating, and the high-pressure steam is sprayed to the inner wall of the inner cavity 10 through the first pipeline 44 and the nozzle 441.

When the sewage in the inner chamber 10 needs to be discharged, the second pipeline 46 can be closed by the first switch valve 461, and the third pipeline 47 can be opened by the second switch valve 471, so that the circulation pump 42 can discharge the pumped sewage out of the inner chamber 10 through the third pipeline 47 and convey the pumped sewage into the sewage box 43.

It should be noted that, in other embodiments, a three-way valve (not shown) may be disposed at a connection between the outlet end of the circulation pump 42 and the second and third pipelines 46 and 47, where the three-way valve has an inlet and two outlets, the inlet of the three-way valve is connected to the outlet end of the circulation pump 42, one outlet of the three-way valve is connected to the first end of the second pipeline 46, and the other outlet of the three-way valve is connected to the first end of the third pipeline 47. Therefore, the communication between the two outlets and the inlet is controlled by switching the three-way valve, so that the second pipeline 46 is closed, the third pipeline 47 is opened, or the second pipeline 46 and the third pipeline 47 are closed.

Referring to fig. 2 to 8, in some embodiments, the cleaning system further includes a controller 5, where the controller 5 is disposed in the case 1 and above the top of the air guiding cover 132, so as to dissipate heat from the controller 5. The controller 5 is in signal connection with the water pump 33. Accordingly, the water pump 33 may be controlled by the controller 5 to deliver the fresh water in the fresh water tank 31 into the second steam generator 34.

In some embodiments, the controller 5 is in signal connection with the first steam generator 41. Therefore, the controller 5 can control the first steam generator 41 to heat the liquid entering the first steam generator 41, control the temperature of the water flowing through the second steam generator 34 to form steam from the water flowing through the second steam generator 34, and spray the steam into the inner cavity 10 through the first pipeline 44 and the nozzle 441.

In some embodiments, the controller 5 is in signal connection with the second steam generator 34. Accordingly, the controller 5 may control the second steam generator 34 to heat the water entering the second steam generator 34, control the temperature of the water flowing through the second steam generator 34, and make the water flowing through the second steam generator 34 into hot water or steam, and then deliver the hot water or steam into the inner chamber 10.

In some embodiments, the controller 5 is in signal connection with the circulation pump 42, the first switch valve 461, and the second switch valve 471. Therefore, the controller 5 can control the first switch valve 461 to be opened and control the second switch valve 471 to be closed, so that the second pipeline 46 is opened and the third pipeline 47 is closed, and then the controller 5 can control the circulating pump 42 to pump the liquid in the inner cavity 10, and the pumped liquid is conveyed into the first steam generator 41 through the second pipeline 46 to be heated, high-pressure steam carrying cleaning liquid is formed after heating, and the high-pressure steam is conveyed into the inner cavity 10 through the first pipeline 44 and the nozzle 441 to be sprayed into the inner wall of the inner cavity 10, so that the inner wall of the inner cavity 10 is cleaned. Meanwhile, the controller 5 can control the first switch valve 461 to be closed and control the second switch valve 471 to be opened so as to enable the second pipeline 46 to be closed and the third pipeline 47 to be opened, and then the controller 5 can control the circulating pump 42 to pump the liquid in the inner cavity 10 and convey the pumped water into the sewage box 43 through the third pipeline 47 to be collected, so that the intelligent efficient cleaning function and the cleaning effect of the inner cavity 10 are realized.

Referring to fig. 2 to 10, in some embodiments, a filter cover 115 is disposed at the bottom of the water collecting tank 113, the filter cover 115 is disposed above the water outlet 114, and filter holes (not labeled in the drawings) are densely distributed on the filter cover 115. Therefore, the liquid in the water collecting tank 113 can be filtered through the filter hole of the filter cover 115, and then discharged through the drain port 114, and enters the circulation pump 42 through the drain pipe 45, thereby preventing impurities, particulate matters, and the like from entering the drain pipe 45 and clogging the circulation pump 42.

In some embodiments, a turbidity sensor (not shown) is disposed in the sump 113 of the inner chamber 10, and is configured to detect a turbidity value of water in the sump 113 of the inner chamber 10, and the turbidity sensor is in signal communication with the controller 5. The turbidity value of the water in the water collecting tank 113 of the inner cavity 10 is detected by the turbidity sensor, so that the dirt degree in the inner cavity 10 can be known, and the controller 5 can intelligently control the cleaning parameters such as the time of circulating cleaning, the cleaning water temperature and the like.

Referring to fig. 2-12, in some embodiments, the first steam generator 41 is provided with two outlet ends. Meanwhile, two first pipes 44 are provided, and the two first pipes 44 are connected to the two outlet ends of the first steam generator 41 in a one-to-one correspondence, and at least two nozzles 441 are formed in the inner chamber 10. The two nozzles 441 are spaced apart and face different areas of the interior chamber 10. Accordingly, the steam generated from the first steam generator 41 can be sprayed into different areas of the inner chamber 10 through the two nozzles 441, thereby improving the cleaning effect of the inner wall of the inner chamber 10.

In some embodiments, the first steam generator 41 is provided with a plurality of outlet ends. Meanwhile, the first pipe 44 is provided with a plurality of first pipes 44, the first pipes 44 are connected with a plurality of outlet ends of the first steam generator 41 in a one-to-one correspondence manner, and a plurality of nozzles 441 are formed in the inner cavity 10, and the plurality of nozzles 441 face different areas of the inner cavity 10. The number of the outlet end of the first steam generator 41, the first pipe 44 and the nozzles 441 may be adjusted as needed, and is not limited herein.

Fig. 13 is a schematic structural view of a home appliance according to a second embodiment of the present invention. Fig. 14 is a partial schematic view of the inside of fig. 13. Fig. 15 is a schematic view of the structure of fig. 14 with the cleaning cartridge and the water purifying cartridge removed. Fig. 16 is a schematic view of the structure of fig. 15 at another viewing angle. Fig. 17 is a schematic view of a portion of the structure of fig. 16 at another viewing angle. Fig. 18 is an enlarged schematic view of the area D in fig. 19. Fig. 17 is a schematic view of a portion of the structure of fig. 16 at another viewing angle. Fig. 18 is an enlarged schematic view of the area D in fig. 19. Fig. 19 is a top view of fig. 14. Fig. 20 is a sectional view taken along the direction E-E in fig. 19. Fig. 21 is an enlarged schematic view of the area F in fig. 20. Fig. 22 is a schematic view of a portion of the cleaning system of fig. 16.

Referring to fig. 13 to 22, a household appliance according to a second embodiment of the present invention mainly includes a housing 1 and a cleaning system disposed in the housing 1. Which differs from the household appliance provided by the first embodiment shown in fig. 1 to 12 mainly in the cleaning system. The same parts may be referred to the description of the foregoing first embodiment, and will not be repeated here.

Fig. 23 is a schematic view of a part of the structure in fig. 22.

Referring to fig. 23, in some embodiments, a cleaning system according to a second embodiment of the present invention includes a clean water box 31, a water inlet pipe 32, a water pump 33, and a second steam generator 34. The same structures as the fresh water tank 31, the water inlet pipe 32, the water pump 33 and the second steam generator 34 of the first embodiment shown in fig. 1 to 12 can be described with reference to the corresponding structures of the foregoing first embodiment, and will not be repeated here.

Fig. 24 is a schematic view of another part of the structure in fig. 22. Fig. 25 is a schematic view of the structure of fig. 23 at another viewing angle.

Referring to fig. 14 to 25, the cleaning system according to the second embodiment of the present invention further includes a first steam generator 41, a circulation pump 42, a cleaning box 48, and a cleaning pump 49.

Wherein the outlet end of the first steam generator 41 communicates with a first end of a first conduit 44, and a second end of the first conduit 44 extends into the inner chamber 10. The second end of the first conduit 44 forms a nozzle 441, the nozzle 441 being arranged in the inner chamber 10 and being in communication with the inner chamber 10. Therefore, the steam generated by the first steam generator 41 can be sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441, and further used for steam cleaning of the inner wall of the inner cavity 10.

The cleaning cartridge 48 is for storing cleaning liquid. The water inlet end of the cleaning pump 49 is communicated with the cleaning box 48 through the second pipeline 46, and the water outlet end of the cleaning pump 49 is communicated with the inlet end of the first steam generator 41. Therefore, the cleaning pump 49 can pump the cleaning liquid in the cleaning box 48 through the second pipeline 46, pump the pumped cleaning liquid into the first steam generator 41 for heating, and form high-pressure steam carrying the cleaning liquid after heating, and the high-pressure steam is delivered to the inner cavity 10 through the first pipeline 44 and the nozzle 441 for spraying, so as to clean the inner wall of the inner cavity 10. The first steam generator 41 may employ a flow path steam generator, and thus generate high pressure steam carrying the cleaning liquid by controlling the temperature.

In some embodiments, a mixture of cleaning agent and clean water may be pre-added to the cleaning cartridge 48, and the cleaning agent may be a solid cleaning agent or cleaning block, or a liquid cleaning agent, so that the cleaning cartridge 48 has enough cleaning liquid to meet the cleaning requirement of the inner wall of the inner cavity 10, and the cleaning liquid does not need to be replaced in the cleaning process.

In some embodiments, the cleaning cartridge 48 is removably disposed within the interior chamber 10, and there may be sufficient space within the interior chamber 10 to accommodate placement of the cleaning cartridge 48 such that the cleaning cartridge 48 may have sufficient volume to hold cleaning liquid and to accommodate cleaning requirements for the interior walls of the interior chamber 10 such that no cleaning liquid need be replaced during cleaning.

It should be noted that, in other embodiments, the cleaning box 48 may be disposed outside the inner cavity 10 or outside the case 1.

Referring to fig. 15 to 25, the water outlet end of the circulation pump 42 is connected to a first end of a third pipe 47, and a second end of the third pipe 47 is connected to the inside of the cleaning box 48. Meanwhile, a water collecting tank 113 is concavely arranged at the center of the bottom of the inner cavity 10, a water outlet 114 is arranged at the bottom of the water collecting tank 113, a water outlet 45 is arranged below the bottom of the inner container 11, the water collecting tank 113 is communicated with a first end of the water outlet 45 through the water outlet 114, and a second end of the water outlet 45 is communicated with a water inlet end of the circulating pump 42. Therefore, the steam sprayed into the inner chamber 10 through the nozzle 441 can be condensed on the inner wall of the inner chamber 10 and flows into the water collecting tank 113 at the bottom of the inner chamber 10, the liquid in the water collecting tank 113, namely, the liquid in the inner chamber 10 is extracted through the drain pipe 45 and the drain port 114 by the circulating pump 42, the extracted liquid is pumped into the cleaning box 48 through the third pipeline 47 and is again extracted by the cleaning pump 49, and after being heated by the first steam generator 41, the steam is sprayed into the inner chamber 10 again through the first pipeline 44 and the nozzle 441, thereby realizing the circulating cleaning function for the inner wall of the inner chamber 10.

Referring to fig. 14-25, in some embodiments, an end of the second conduit 46 remote from the cleaning pump 49 extends into the interior chamber 10, and an end of the third conduit 47 remote from the circulation pump 42 extends into the interior chamber 10. And when the cleaning cartridge 48 is installed in the interior chamber 10, the cleaning cartridge 48 is capable of abutting communication with the ends of the second and third conduits 46, 47, respectively.

Referring to fig. 14 to 25, in some embodiments, the cleaning system according to the second embodiment of the present invention further includes a water purifying box 410, the water purifying box 410 is used for storing clean water, the water inlet end of the cleaning pump 49 is further connected to the first end of the fifth pipeline 411, and the second end of the fifth pipeline 411 is in communication with the water purifying box 410. Therefore, after the circulation cleaning is completed, the clean water in the water purifying box 410 can be pumped by the cleaning pump 49 and the fifth pipeline 411, and the pumped clean water is conveyed into the first steam generator 41 for heating, and the formed steam is sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441, so that the inner wall of the inner cavity 10 is washed, and the cleaning effect on the inner wall of the inner cavity 10 is improved.

Further, after the flushing is completed, the liquid in the inner chamber 10 may be again pumped by the circulation pump 42, and the pumped liquid may be pumped into the cleaning box 48 through the third pipe 47. Therefore, in the whole cleaning process of the circulating cleaning and rinsing, the user can dispense with replacing and pouring water, and the automatic cleaning function of the inner cavity 10 of the household appliance can be realized.

Referring to fig. 14 to 21, in some embodiments, the water purifying cartridge 410 is detachably disposed in the inner cavity 10, and enough space may be provided in the inner cavity 10 to accommodate placement of the water purifying cartridge 410, so that the water purifying cartridge 410 may have enough clean water.

It should be noted that, in other embodiments, the water purifying cartridge 410 may be disposed outside the inner cavity 10 or outside the case 1.

Referring to fig. 14-20, in some embodiments, an end of the fifth conduit 411 remote from the cleaning pump 49 extends into the interior chamber 10. When the cartridge 410 is installed in the interior chamber 10, the cartridge 410 can be in abutting communication with an end of the fifth pipe 411.

Referring to fig. 16 to 25, in some embodiments, a first switch valve 461 is disposed on the second pipe 46, and the first switch valve 461 is used for opening and closing the second pipe 46. Meanwhile, a third switch valve 412 is disposed on the fifth pipeline 411, and the third switch valve 412 is used for opening and closing the fifth pipeline 411. The first switching valve 461 and the third switching valve 412 may each employ a solenoid valve.

Therefore, when the inner wall of the inner cavity 10 needs to be cleaned in a circulating way, the second pipeline 46 can be opened through the first switch valve 461, the fifth pipeline 411 can be closed through the third switch valve 412, so that the cleaning pump 49 can extract the cleaning liquid in the cleaning box 48, the cleaning liquid is conveyed into the first steam generator 41 to be heated, and the formed steam carrying the cleaning liquid is sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441 to clean the inner wall of the inner cavity 10.

When the inner wall of the inner cavity 10 needs to be flushed, the second pipeline 46 can be closed through the first switch valve 461, the fifth pipeline 411 can be opened through the third switch valve 412, so that the clean water in the clean water box 410 can be pumped by the clean pump 49, the clean water is conveyed into the first steam generator 41 for heating, and the formed steam is sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441 to flush the inner wall of the inner cavity 10.

In addition, after the cleaning process and the rinsing process are completed, the liquid in the inner chamber 10 can be pumped by the circulation pump 42 and the pumped liquid is pumped into the cleaning box 48 through the third pipe 47.

It should be noted that, in other embodiments, a three-way valve (not shown) may be disposed at the connection between the inlet end of the cleaning pump 49 and the second and fifth pipelines 46 and 411, where the three-way valve has two inlets and one outlet, the outlet of the three-way valve is connected to the inlet end of the cleaning pump 49, one inlet of the three-way valve is connected to one end of the second pipeline 46, and the other inlet of the three-way valve is connected to one end of the fifth pipeline 411. Therefore, the communication between the two inlets and the outlet is controlled by the three-way valve, so that the second pipeline 46 is closed, the fifth pipeline 411 is opened, or the second pipeline 46 is opened and the fifth pipeline 411 is closed.

In other embodiments, two cleaning pumps 49 may be provided, wherein one cleaning pump 49 is disposed on the second pipeline 46 for pumping the liquid in the cleaning box 48. Another cleaning pump 49 is provided on the fifth pipe 411 for pumping water in the water purifying cartridge 410. The liquid pumped by the two cleaning pumps 49 is conveyed into the first steam generator 41 to be heated, and is sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441.

Referring to fig. 2 to 13, in some embodiments, the cleaning system according to the second embodiment of the present invention further includes a controller 5, where the controller 5 is in signal connection with the cleaning pump 49, the first switch valve 461, and the third switch valve 412. Therefore, the controller 5 can control the first switch valve 461 to be opened and control the third switch valve 412 to be closed so as to open the second pipeline 46 and close the fifth pipeline 411, and further control the cleaning pump 49 to pump the cleaning liquid in the cleaning box 48 to be conveyed into the first steam generator 41 for heating through the controller 5, so that the formed steam carrying the cleaning liquid is sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441 to clean the inner wall of the inner cavity 10. Meanwhile, the controller 5 can control the first switch valve 461 to be closed and control the third switch valve 412 to be opened so as to close the second pipeline 46 and open the fifth pipeline 411, and then the clean water in the clean water box 410 can be pumped by the clean pump 49 controlled by the controller 5 and then conveyed into the first steam generator 41 to be heated, sprayed into the inner cavity 10 through the first pipeline 44 and the nozzle 441, and the inner wall of the inner cavity 10 is flushed.

In some embodiments, the controller 5 is in signal connection with the circulation pump 42. Therefore, after the cleaning process and the rinsing process are finished, the controller 5 can control the circulation pump 42 to pump the liquid in the inner cavity 10, and pump the pumped liquid into the cleaning box 48 through the third pipeline 47 to collect the liquid, so as to realize the intelligent and efficient cleaning function and cleaning effect of the inner cavity 10.

While the invention has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A household appliance, comprising:

the household appliance comprises a box body, a box cover and a box cover, wherein the box body forms a shell outside the household appliance;

The first steam generator is arranged in the box body and is used for heating the liquid to form steam;

A first pipe, a first end of which is communicated with an outlet end of the first steam generator, a second end of which is provided with a nozzle, and the nozzle is arranged in the inner cavity;

a second pipeline, wherein a first end of the second pipeline is communicated with an inlet end of the first steam generator, and a second end of the second pipeline is used for connecting liquid;

The liquid can be conveyed into the first steam generator through the second pipeline to be heated to form steam, and the steam is sprayed into the inner cavity through the first pipeline and the nozzle so as to clean the inner wall of the inner cavity.

2. The household appliance of claim 1, wherein the port of the second end of the first conduit protrudes into the interior cavity, and the port of the second end of the first conduit forms the nozzle.

3. The household appliance according to claim 1, wherein the first steam generator is provided with at least two outlet ends, the first pipeline is provided with at least two, the at least two first pipelines are connected with the outlet ends of the first steam generator in a one-to-one correspondence manner, and at least two nozzles are formed in the inner cavity.

4. The household appliance of claim 1, further comprising a fresh water box, a water pump and a second steam generator disposed within the tank;

The clean water box is communicated with the second steam generator through a water inlet pipeline, and the water pump is arranged on the water inlet pipeline;

The water pump can pump water in the clear water box into the second steam generator for heating, and the heated hot water or steam is conveyed into the inner cavity through the fourth pipeline.

5. The household appliance according to claim 1, wherein a water collection tank is arranged at the bottom of the inner cavity, and a turbidity sensor is arranged in the water collection tank and used for detecting the turbidity value of the liquid in the water collection tank.

6. The household appliance of claim 1, further comprising a circulation pump, wherein a drain port is provided at the bottom of the inner cavity, wherein a water inlet end of the circulation pump is communicated with the drain port, and a water outlet end of the circulation pump is communicated with an inlet end of the first steam generator through the second pipeline;

The circulating pump can extract liquid in the inner cavity, convey the liquid into the first steam generator through the second pipeline to heat the liquid into steam, and spray the steam into the inner cavity through the first pipeline and the nozzle so as to circularly clean the inner wall of the inner cavity.

7. The household appliance of claim 6, further comprising a sewage box, wherein the water outlet end of the circulation pump is communicated with the sewage box through a third pipeline;

after the circulation cleaning is finished, the circulating pump can pump the liquid in the inner cavity and pump the liquid into the sewage box through the third pipeline.

8. The household appliance according to claim 7, wherein the second pipeline is provided with a first switch valve for opening and closing the second pipeline, and the third pipeline is provided with a second switch valve for opening and closing the third pipeline.

9. The household appliance of claim 8, further comprising a controller, wherein the circulation pump, the first switching valve, and the second switching valve are respectively signal-connected to the controller;

The controller can control the first switch valve to open the second pipeline and control the second switch valve to close the third pipeline, and the circulating pump can convey the extracted liquid into the first steam generator through the second pipeline to heat and form steam, and the steam is sprayed into the inner cavity through the first pipeline and the spray nozzle;

The controller can control the first switch valve to close the second pipeline and control the second switch valve to open the third pipeline, and the circulating pump can convey the extracted liquid into the sewage box through the third pipeline.

10. The household appliance of claim 1, further comprising a cleaning pump and a cleaning cartridge;

the first end of the second pipeline is communicated with the inlet end of the first steam generator through the cleaning pump;

the second end of the second pipeline is communicated with the cleaning box;

The cleaning pump can pump the cleaning liquid in the cleaning box into the first steam generator through the second pipeline to heat the cleaning liquid to form steam.

11. The household appliance of claim 10, further comprising a circulation pump, wherein a drain port is provided at the bottom of the inner cavity, a water inlet end of the circulation pump is communicated with the drain port, and a water outlet end of the circulation pump is communicated with the cleaning box through a third pipeline;

the circulating pump can pump the liquid in the inner cavity and convey the liquid into the cleaning box through the third pipeline.

12. The household appliance of claim 11, wherein the cleaning cartridge is removably disposed in the interior cavity;

One end of the second pipeline, which is far away from the cleaning pump, extends into the inner cavity, and one end of the third pipeline, which is far away from the circulating pump, extends into the inner cavity;

When the cleaning box is arranged in the inner cavity, the cleaning box can be respectively in butt joint communication with the ends of the second pipeline and the third pipeline.

13. The household appliance of claim 10, further comprising a water purification cartridge removably disposed in the interior cavity;

the water inlet end of the cleaning pump is also communicated with the first end of a fifth pipeline, and the second end of the fifth pipeline stretches into the inner cavity;

when the water purifying box is arranged in the inner cavity, the water purifying box can be respectively in butt joint communication with the end part of the fifth pipeline.

14. The household appliance of claim 13, wherein a first switch valve is arranged on the second pipeline and used for opening and closing the second pipeline, and a second switch valve is arranged on the fifth pipeline and used for opening and closing the fifth pipeline.

15. The household appliance of claim 14, further comprising a controller, wherein the first switch valve and the second switch valve are respectively connected to the controller;

The controller can control the first switch valve to open the second pipeline and control the second switch valve to close the fifth pipeline, and the cleaning pump can pump the liquid in the cleaning box through the second pipeline and spray the liquid into the inner cavity through the first pipeline and the spray nozzle;

The controller can control the first switch valve to close the second pipeline and control the second switch valve to open the fifth pipeline, and the cleaning pump can pump water in the water purifying box through the fifth pipeline and spray the water into the inner cavity through the first pipeline and the spray nozzle.

16. The household appliance according to claim 6 or 11, wherein the water outlet communicates with the water pumping end of the circulation pump through a water outlet pipe;

the water outlet cover is provided with a filtering cover, and filtering holes are densely distributed on the filtering cover.