CN112450838B - Disinfection structure and dish washer - Google Patents

Abstract

The invention discloses a sterilizing structure and a dish washing machine, wherein the sterilizing structure comprises a box body, a spraying piece, a first pipeline, a second pipeline, a hot water piece and an overheating heater, an inner cavity is formed in the box body, the first pipeline is communicated with the inner cavity, the hot water piece is arranged on the first pipeline, the spraying piece is arranged in the inner cavity, the spraying piece is communicated with the second pipeline, the overheating heater is arranged on the second pipeline, the overheating heater is used for heating water into overheating steam, and a plurality of steam nozzles are arranged on the spraying piece at intervals. Above-mentioned disinfection structure, hot water spare and first pipeline are used for carrying out hot rinsing to the tableware that the intracavity was placed, utilize overheat heater to heat the water in the second pipeline, make water heated for superheated steam, disinfect to the tableware that the intracavity was placed, superheated steam gets into after spouting out, the steam spout is a plurality of, can follow the different positions blowout of inner chamber, make superheated steam be full of the inner chamber as early as possible, make the temperature difference everywhere in the inner chamber littleer, can improve superheated steam's disinfection effect.

Description

Disinfection structure and dish washer

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a disinfection structure and a dish washing machine.

Background

Along with the constantly increasing of crowd's gathering and the constantly reducing of living space, people are to the demand that integrates of domestic appliance function constantly also increasing, and the domestic appliance that integrates can occupy less indoor space, reducible potential needs simultaneously, and it is more convenient to use, for example the disinfection function is generally integrated to present stage dish washer, and the disinfection mainly adopts ultraviolet disinfection, medium and high temperature disinfection etc. but these means disinfection is not thorough.

Superheated steam's temperature satisfies the required temperature of high temperature disinfection, and superheated steam heat transfer uses the gaseous state hydrone as the medium, and its heat conductivility is higher, nevertheless because in traditional dish washer because the structure sets up unreasonablely, still can cause superheated steam can not be full of dish washer inner space very fast, can cause the phenomenon that the condensation appears in inner space part subregion owing to the difference in temperature greatly, influences the disinfection effect.

Disclosure of Invention

Therefore, the invention aims to overcome the defect that the disinfection effect is influenced because superheated steam cannot fill the inner space quickly in the prior art, and provides the disinfection structure and the dish washing machine which can fill the inner space quickly with the superheated steam and improve the disinfection effect.

The technical scheme is as follows:

the utility model provides a disinfection structure, includes the box, spouts piece, first pipeline, second pipeline, hot water spare and superheated steam ware, be equipped with the inner chamber in the box, first pipeline with the inner chamber intercommunication, hot water spare is located on the first pipeline, spout the piece and locate the inner chamber, spout the piece with the second pipeline intercommunication, superheated steam ware is located on the second pipeline, superheated steam ware is used for heating water for superheated steam, the interval is equipped with a plurality of steam spouts on spouting the piece.

Above-mentioned disinfection structure, accessible hot water spare heats the water of first pipeline, a tableware for placing in the cavity carries out hot rinsing, utilize overheat heater to heat the water in the second pipeline, make water heated to superheated steam, utilize superheated steam to disinfect to the tableware that places in the cavity, because superheated steam can get into the blowout piece, and by the blowout steam port blowout on the blowout piece, and the steam port is a plurality of, and the interval sets up on the blowout piece, can follow the different positions blowout of cavity, reduce superheated steam and flow and be full of the time of cavity, make superheated steam be full of the cavity, make everywhere difference in temperature in the cavity littleer as early as possible, prevent that superheated steam from appearing the condition of condensation, can improve superheated steam's disinfection effect.

In one embodiment, the disinfection structure further comprises a spray arm, the spray arm is rotatably disposed in the inner cavity, a water spraying channel is disposed in the spray arm, a nozzle communicated with the water spraying channel is disposed on the spray arm, and the first pipeline is communicated with the water spraying channel.

In one embodiment, the disinfection structure further includes a first conveying pipeline and a three-way switch valve, one end of the first conveying pipeline is respectively communicated with the second pipeline and the first pipeline, the other end of the first conveying pipeline, the spraying member and the water spraying channel are respectively communicated with the three-way switch valve, and the three-way switch valve is used for enabling the second pipeline to be communicated with the spraying member or enabling the first pipeline to be communicated with the water spraying channel.

In one embodiment, the disinfection structure further includes a second conveying pipeline and a three-way regulating valve, one end of the second conveying pipeline is respectively communicated with the second pipeline and the first pipeline, the other end of the second conveying pipeline, the spraying member and the water spraying channel are respectively communicated with the three-way regulating valve, and the three-way regulating valve is used for regulating the flow rate entering the spraying member and the water spraying channel from the second conveying pipeline.

In one embodiment, the ejection member is disposed at the bottom of the inner cavity, and the ejection member is disposed below the spray arm.

In one embodiment, the above-mentioned sterilizing structure further comprises a dish rack, the dish rack is disposed in the inner cavity, and the dish rack is disposed above the spray arm.

In one embodiment, the disinfection structure further comprises a main passage, a delivery pump and a switching member, wherein the main passage is respectively communicated with the second pipeline and the first pipeline, the delivery pump is arranged on the main passage, and the switching member is used for communicating the main passage with the first pipeline; or the switching member is used to communicate the main passage with the first pipe.

In one embodiment, the switching member includes a first open-close solenoid valve and a second open-close solenoid valve, the first open-close solenoid valve is disposed on the first pipeline, and the second open-close solenoid valve is disposed on the second pipeline.

In one embodiment, the overheating heater is an electromagnetic heater sleeved outside the second pipeline.

In one embodiment, an exhaust channel is arranged on the box body, the exhaust channel is communicated with the inner cavity, and an exhaust fan and a refrigerating piece are arranged in the exhaust channel.

In one embodiment, the above-mentioned disinfection structure further includes a flow guide tube, a collecting tank is disposed in the exhaust passage, the collecting tank is disposed below the refrigeration member, and the flow guide tube is communicated with the collecting tank.

In one embodiment, the disinfection structure further comprises a drainage pipe, the drainage pipe is communicated with the inner cavity, and the delivery pipe is communicated with the delivery pipe.

In one embodiment, the disinfection structure further comprises a water inlet pipe, a water collection tank is arranged at the bottom of the inner cavity, and the drain pipe, the water inlet pipe and the second pipeline are all communicated with the water collection tank.

In one embodiment, the box body is provided with an air inlet channel, and the air inlet channel is communicated with the inner cavity.

In one embodiment, a hot air piece is further arranged in the air inlet channel, and a drying filter is arranged in the air inlet channel.

In one embodiment, a temperature sensor is disposed within the internal cavity.

A dishwasher comprising a sanitizing structure as described in any one of the above.

Above-mentioned dish washer, heat the water of first pipeline through the superheated steam spare, a tableware for placing in the cavity carries out hot rinsing, utilize superheated heater to heat the water in the second pipeline, make water heated to superheated steam, utilize superheated steam to disinfect to the tableware that places in the cavity, because superheated steam can get into the blowout piece, and spout by the steam port on the blowout piece, and the steam port is a plurality of, and the interval sets up on the blowout piece, can follow the different positions blowout of cavity, reduce superheated steam and flow and be full of the time of cavity, make superheated steam be full of the cavity, make everywhere difference in temperature in the cavity littleer, prevent that superheated steam from appearing the condition of condensation as early as possible, can improve superheated steam's disinfection effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and are not intended to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a sterilization structure according to an embodiment of the present invention.

Description of reference numerals:

100. the box body comprises a box body 101, an inner cavity 102, an air exhaust channel 103, a collecting tank 104, a water collecting tank 105, an air inlet channel 110, a spray arm 111, a nozzle 120, a first conveying pipeline 130, a tableware rack 141, a main channel 142, a conveying pump 143, a first on-off electromagnetic valve 144, a second on-off electromagnetic valve 151, an air exhaust fan 152, a refrigerating part 153, a guide pipe 161, a drain pipe 162, a water inlet pipe 171, a hot air part 172, a drying filter 173, an air inlet fan 180, a temperature sensor 200, a spraying part 201, a steam nozzle 300, a first pipeline 400, a second pipeline 500, a hot water part 600 and an overheating heater.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1, an embodiment discloses a disinfection structure, which includes a box 100, an ejection member 200, a first pipeline 300, a second pipeline 400, a hot water member 500 and an overheating heater 600, wherein an inner cavity 101 is provided in the box 100, the first pipeline 300 is communicated with the inner cavity 101, the hot water member 500 is provided on the first pipeline 300, the ejection member 200 is provided in the inner cavity 101, the ejection member 200 is communicated with the second pipeline 400, the overheating heater 600 is provided on the second pipeline 400, the overheating heater 600 is used for heating water into overheating steam, and a plurality of steam nozzles 201 are provided at intervals on the ejection member 200.

Above-mentioned disinfection structure, accessible hot water spare 500 heats the water of first pipeline 300, be used for carrying out hot rinsing to the tableware that places in the inner chamber 101, utilize superheated heater 600 to heat the water in the second pipeline 400, make water heated to superheated steam, utilize superheated steam to disinfect the tableware that places in the inner chamber 101, because superheated steam can get into blowout piece 200, and spout by the steam jet 201 on blowout piece 200, and steam jet 201 is a plurality of, and set up on blowout piece 200 at interval, can spout from the different positions of inner chamber 101, reduce superheated steam flow and fill up the time of inner chamber 101, make superheated steam fill up inner chamber 101 as soon as possible, make the temperature difference everywhere in inner chamber 101 littleer, prevent that superheated steam from appearing the condition of condensation, can improve superheated steam's disinfection effect.

Optionally, the overheating heater 600 heats water at a higher temperature than the hot water member 500. Wherein, the heating temperature of the hot water member 500 to the water is less than 100 ℃.

Optionally, the ejection member 200 is a pipe, and the steam vents 201 are sequentially arranged at intervals along the length direction of the ejection member 200, wherein the ejection member 200 may be a straight pipe or a bent pipe; or the spouting member 200 is a mesh shape.

In one embodiment, as shown in fig. 1, the disinfecting structure further includes a spray arm 110, the spray arm 110 is rotatably disposed in the inner cavity 101, a spray passage is disposed in the spray arm 110, a spray nozzle 111 is disposed on the spray arm 110 and is communicated with the spray passage, and the first pipeline 300 is communicated with the spray passage. By guiding the water in the first pipe 300 to the spray arm 110 and spraying the water from the nozzle 111, the water can be matched with the rotation of the spray arm 110, and the washing effect of the tableware can be improved.

Optionally, the nozzles 111 at the two ends of the spray arm 110 are oriented differently, water can generate back flushing to the spray arm 110 when being sprayed out of the nozzles 111, the nozzles 111 at the two ends of the spray arm 110 can generate different back flushing forces when spraying water, so that the spray arm 110 can rotate automatically, and at the moment, the rotation of the spray arm 110 is driven without arranging other elements, so that the structure is simple, and the cost can be reduced; or the spray arm 110 may be rotated by a motor or the like.

In one embodiment, as shown in fig. 1, the disinfection structure further includes a first conveying pipeline 120 and a three-way switch valve, wherein one end of the first conveying pipeline 120 is respectively communicated with the second pipeline 400 and the first pipeline 300, the other end of the first conveying pipeline 120, the ejection member 200 and the water spraying channel are respectively communicated with the three-way switch valve, and the three-way switch valve is used for enabling the second pipeline 400 to be communicated with the ejection member 200 or enabling the first pipeline 300 to be communicated with the water spraying channel. At this time, no matter the hot water is output from the first pipeline 300 or the superheated steam is output from the second pipeline 400, the hot water or the superheated steam enters the first conveying pipeline 120, and is guided into corresponding elements by the three-way switch valve, when the hot water is output from the first pipeline 300 to the first conveying pipeline 120, the three-way switch valve can communicate the first pipeline 300 with the water spraying channel of the spray arm 110, so that the hot water is sprayed out from the spray nozzle 111 of the spray arm 110 for hot rinsing, and when the superheated steam is output from the second pipeline 400 to the first conveying pipeline 120, the three-way switch valve can communicate the second pipeline 400 with the spraying member 200, so that the superheated steam is sprayed out from the steam spraying nozzle 201 for sterilization, so that the hot rinsing and the superheated steam sterilization can be sequentially performed in the box body 100, and the tableware cleaning effect is better.

Wherein, when the three-way switching valve makes the delivery pipe communicate with the water spray channel, the passage between the delivery pipe and the spouting member 200 is closed, whereas when the three-way switching valve makes the delivery pipe communicate with the spouting member 200, the passage between the delivery pipe and the water spray channel is closed.

In one embodiment, the disinfection structure further comprises a second conveying pipeline and a three-way regulating valve, wherein one end of the second conveying pipeline is respectively communicated with the second pipeline 400 and the first pipeline 300, the other end of the second conveying pipeline, the spraying member 200 and the water spraying channel are respectively communicated with the three-way regulating valve, and the three-way regulating valve is used for regulating the flow rate entering the spraying member 200 and the water spraying channel from the second conveying pipeline. At this time, when the first pipeline 300 sends hot water to the second conveying pipeline or the second pipeline 400 sends superheated steam to the second conveying pipeline, the three-way regulating valve can respectively send the hot water or the superheated steam into the ejection part 200 and the spray arm 110 according to a certain proportion, so that the hot water or the superheated steam can be discharged from different positions in the inner cavity 101, and the space in the inner cavity 101 can be filled as soon as possible, thereby improving the uniformity degree of the temperature in the inner cavity 101.

Alternatively, the first delivery line 120 and the second delivery line may be the same line.

In other embodiments, the first pipe 300 can be directly connected to the water spraying channel of the spray arm 110, and the second pipe 400 can be directly connected to the spraying member 200 to provide the hot water and the superheated steam to the inner cavity 101.

In one embodiment, as shown in fig. 1, the ejection member 200 is disposed at the bottom of the inner cavity 101, and the ejection member 200 is disposed below the spray arm 110. At this time, the position of the ejection member 200 does not affect the spray arm 110, and meanwhile, the ejection member 200 can be arranged at a position closer to the wall surface in the inner cavity 101, so that the ejection member 200 can be filled in the corner position in the inner cavity 101 when the superheated steam is ejected, and the disinfection effect is improved. Because the temperature of the superheated steam is high, the superheated steam inevitably rises after entering the inner cavity 101, the bottom of the inner cavity 101 may be filled with the superheated steam later, and the ejecting piece 200 is arranged close to the bottom surface of the inner cavity 101, so that the ejecting piece 200 is close to the bottom surface of the inner cavity 101 when ejecting the superheated steam, so as to fill the inner cavity 101, and no dead angle exists.

Specifically, the ejection member 200 is attached to the bottom surface of the cavity 101. It is more advantageous to fill the inner cavity 101 with superheated steam.

In one embodiment, as shown in fig. 1, the above-mentioned sterilizing structure further includes a dish rack 130, the dish rack 130 is disposed in the inner cavity 101, and the dish rack 130 is disposed above the spray arm 110. At this time, the spray arm 110 can conveniently guide hot water into the inner cavity 101 and wash the tableware placed on the tableware rack 130, and superheated steam can conveniently enter the inner cavity 101 and pass through the tableware on the tableware rack 130 in the rising process to fully disinfect the tableware.

In one embodiment, as shown in fig. 1, the disinfection structure further comprises a main passage 141, a delivery pump 142 and a switching member, wherein the main passage 141 is respectively communicated with the second pipeline 400 and the first pipeline 300, the delivery pump 142 is arranged on the main passage 141, and the switching member is used for communicating the main passage 141 with the first pipeline 300; or a switch for communicating the main passage 141 with the first pipe 300. At this time, the switching member may be used to transfer the water in the main passage 141 to different pipes, thereby achieving the effect of hot rinsing or superheated steam sterilization.

Optionally, the transfer pump 142 enters a low power mode when the main passage 141 is communicated with the second pipeline 400, and reduces the flow rate and flow rate of the water input into the second pipeline 400, so that the water in the second pipeline 400 can be heated and superheated steam can be formed.

In one embodiment, as shown in fig. 1, the switching member includes a first open/close solenoid valve 143 and a second open/close solenoid valve 144, the first open/close solenoid valve 143 is disposed on the first pipeline 300, and the second open/close solenoid valve 144 is disposed on the second pipeline 400. When the first on/off solenoid valve 143 is opened and the second on/off solenoid valve 144 is closed, the first pipeline 300 is opened and the second pipeline 400 is closed, at this time, water in the main passage 141 enters the first pipeline 300 to realize hot rinsing, and when the first on/off solenoid valve 143 is closed and the second on/off solenoid valve 144 is opened, the first pipeline 300 is closed and the second pipeline 400 is opened, at this time, water in the main passage 141 enters the second pipeline 400 to be sterilized by superheated steam.

In other embodiments, the switching member may also be a three-way solenoid valve, which is respectively communicated with the first pipeline 300, the second pipeline 400 and the main passage 141,

in other embodiments, the first pipeline 300 and the second pipeline 400 may be separately provided for communicating with different water supply pipelines.

In one embodiment, as shown in fig. 1, the overheating heater 600 is an electromagnetic heater sleeved outside the second pipeline 400. The electromagnetic heater can provide higher heating temperature, ensure that the water in the second pipeline 400 is heated into superheated steam, and ensure the disinfection effect.

In one embodiment, as shown in fig. 1, an exhaust channel 102 is provided on the box 100, the exhaust channel 102 is communicated with the inner cavity 101, and an exhaust fan 151 and a cooling member 152 are provided in the exhaust channel 102. Utilize exhaust passageway 102 can be with the gas outgoing in the inner chamber 101, can cool down the higher steam of temperature through setting up refrigeration piece 152 simultaneously, can cause the injury to the personnel near box 100 when preventing high temperature steam from discharging box 100, improved the security of equipment.

Alternatively, the cooling member 152 may be a cooling plate, which is small and does not occupy too much space. Specifically, the refrigeration piece 152 is perpendicular to the length direction of the exhaust channel 102, the refrigeration piece 152 is arranged at an interval with the inner wall of the exhaust channel 102, and at the moment, steam in the exhaust channel 102 is in contact with the refrigeration piece 152 in the front direction, so that the cooling effect on the steam is improved.

In one embodiment, as shown in fig. 1, the disinfection structure further includes a flow guide tube 153, a collection tank 103 is disposed in the exhaust passage 102, the collection tank 103 is disposed below the refrigeration member 152, and the flow guide tube 153 is communicated with the collection tank 103. The collecting groove 103 can collect liquid drops generated by condensation on the refrigeration piece 152 and guide the liquid drops out through the guide pipe 153, so that liquid in the exhaust channel 102 is prevented from flowing out of the box body 100 or flowing back to the inner cavity 101, and cleanness of the vicinity of the box body 100 can be guaranteed.

Specifically, collecting vat 103 is the cell body that falls V-arrangement, and the liquid drop of making things convenient for the condensation this moment flows to the tank bottom of collecting vat 103 along with the cell wall of collecting vat 103 to derive by honeycomb duct 153, the drainage effect is better.

In one embodiment, as shown in fig. 1, the disinfection structure further comprises a drain tube 161, the drain tube 161 is communicated with the inner cavity 101, and the flow guide tube 153 is communicated with the flow guide tube 153. The duct 153 directly guides the condensed water generated in the exhaust duct 102 to the drain pipe 161, so that the piping in the cabinet 100 can be simplified and the condensed water can be guided.

In other embodiments, the flow conduit 153 may be independently disposed relative to the drain 161.

In one embodiment, as shown in fig. 1, the disinfection structure further includes a water inlet pipe 162, the bottom of the inner cavity 101 is provided with a water collection tank 104, and the water outlet pipe 161, the water inlet pipe 162 and the second pipeline 400 are all communicated with the water collection tank 104. The water inlet pipe 162 is used for supplying water into the inner cavity 101 when washing is started, and when the amount of water in the inner cavity 101 is small, the water can be collected in the water collecting tank 104, so that the water can be recycled conveniently, and the water in the inner cavity 101 can be drained conveniently when being discharged by the water discharge pipe 161.

In one embodiment, as shown in fig. 1, the box 100 is provided with an air inlet channel 105, and the air inlet channel 105 is communicated with the inner cavity 101. The air inlet channel 105 can be synchronously started when the exhaust channel works, so that the air pressure in the inner cavity 101 is kept balanced, and the phenomenon that the air pressure in the inner cavity 101 is too low to influence the operations of opening a door and the like is prevented.

In one embodiment, as shown in fig. 1, a hot air member 171 is further disposed in the air inlet channel 105, and a dry filter 172 is disposed in the air inlet channel 105. The hot-blast piece 171 can heat the air inlet after starting, and simultaneously drier-filter 172 can guarantee that the air that gets into inner chamber 101 is dry state, can not influence the stoving effect to the interior tableware of inner chamber 101.

Specifically, as shown in fig. 1, an air intake fan 173 is further disposed in the air intake channel 105, the heating element, the drying filter 172 and the air intake fan 173 are sequentially disposed along the direction from inside to outside of the box 100, and the air intake fan 173 is used for blowing air into the inner cavity 101, and is matched with the heating element and the drying filter 172 to make dry hot air enter the inner cavity 101, so as to improve the drying effect.

In one embodiment, as shown in FIG. 1, a temperature sensor 180 is disposed within the interior chamber 101. The temperature sensor 180 can monitor the temperature in the chamber 101 for controlling the temperature of the chamber 101 during washing, sterilization, etc.

An embodiment discloses a dishwasher, comprising a disinfection structure as defined in any of the above.

In the dishwasher, the water in the first pipeline 300 is heated by the hot water part 500 for hot rinsing the tableware placed in the inner cavity 101, the water in the second pipeline 400 is heated by the superheated heater 600 to be superheated steam, and the tableware placed in the inner cavity 101 is sterilized by the superheated steam, because the superheated steam enters the ejection part 200 and is ejected by the steam ejection openings 201 on the ejection part 200, and the plurality of steam ejection openings 201 are arranged on the ejection part 200 at intervals and can be ejected from different positions of the inner cavity 101, the time for the superheated steam to flow and fill the inner cavity 101 is reduced, the inner cavity 101 is filled with the superheated steam as soon as possible, the temperature difference among the inner cavity 101 is smaller, the condition of condensation of the superheated steam is prevented, and the sterilization effect of the superheated steam can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (14)

1. A disinfection structure is characterized by comprising a box body, a spraying part, a first pipeline, a second pipeline, a hot water part and an overheating heater, wherein an inner cavity is formed in the box body, the first pipeline is communicated with the inner cavity, the hot water part is arranged on the first pipeline, the spraying part is arranged in the inner cavity, the spraying part is communicated with the second pipeline, the overheating heater is arranged on the second pipeline, the overheating heater is used for heating water into overheating steam, and a plurality of steam nozzles are arranged on the spraying part at intervals;

the spray arm is rotatably arranged in the inner cavity, a water spraying channel is arranged in the spray arm, a nozzle communicated with the water spraying channel is arranged on the spray arm, and the first pipeline is communicated with the water spraying channel;

the spraying device comprises a first conveying pipeline, a first spraying channel, a second conveying pipeline and a three-way regulating valve, wherein one end of the first conveying pipeline is communicated with the first pipeline, the other end of the first conveying pipeline is communicated with the spraying part, the spraying channel is communicated with the three-way regulating valve, and the three-way regulating valve is used for regulating the flow entering the spraying part and the spraying channel from the first conveying pipeline;

the main passage is respectively communicated with the second pipeline and the first pipeline, the delivery pump is arranged on the main passage, and the switching piece is used for communicating the main passage with the first pipeline; or the switching member is used to communicate the main passage with the first pipe.

2. A disinfecting structure as recited in claim 1, characterized in that it further comprises a first delivery line and a three-way on-off valve, one end of the first delivery line is respectively communicated with the second line and the first line, the other end of the first delivery line, the spouting member, and the water-spraying passage are respectively communicated with the three-way on-off valve, and the three-way on-off valve is used to communicate the second line with the spouting member or communicate the first line with the water-spraying passage.

3. A disinfecting structure as recited in claim 1, characterized in that the ejector is located at the bottom of the interior chamber, and the ejector is located below the spray arm.

4. A disinfecting structure as recited in claim 3, further comprising a dish rack disposed within the interior chamber, the dish rack being disposed above the spray arm.

5. A disinfecting structure as recited in claim 1, characterized in that the switching member comprises a first on-off solenoid valve and a second on-off solenoid valve, the first on-off solenoid valve being disposed on the first pipeline, and the second on-off solenoid valve being disposed on the second pipeline.

6. A disinfecting structure as claimed in any one of claims 1-5, characterized in that the superheating heater is an electromagnetic heater which is sleeved outside the second pipeline.

7. A disinfecting structure as recited in any one of claims 1-5, characterized in that an exhaust channel is provided on the box body, the exhaust channel is communicated with the inner cavity, and an exhaust fan and a refrigerating member are provided in the exhaust channel.

8. The disinfection structure of claim 7, further comprising a flow guide tube, wherein a collection tank is disposed in the exhaust channel, the collection tank is disposed below the refrigeration member, and the flow guide tube is communicated with the collection tank.

9. The disinfecting structure of claim 8, further comprising a drain in communication with the inner cavity and a flow conduit in communication with the flow conduit.

10. A disinfecting structure as recited in claim 9, further comprising a water inlet tube, a water collection sump is provided at the bottom of the inner chamber, and the water outlet tube, the water inlet tube and the second pipeline are all communicated with the water collection sump.

11. A disinfecting structure as recited in claim 7, characterized in that an air intake channel is provided on the box body, the air intake channel being communicated with the inner chamber.

12. A disinfecting structure as recited in claim 11, characterized in that a hot air member is further disposed in the air-intake passage, and a dry filter is disposed in the air-intake passage.

13. A disinfecting structure as claimed in any one of claims 1-5, characterized in that a temperature sensor is provided in the interior chamber.

14. A dishwasher, comprising a disinfecting structure as claimed in any one of claims 1 to 13.

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