CN106725208B

CN106725208B - Dish-washing machine

Info

Publication number: CN106725208B
Application number: CN201611245699.3A
Authority: CN
Inventors: 屠欣丞
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2023-09-08
Anticipated expiration: 2036-12-29
Also published as: CN106725208A

Abstract

The invention discloses a dish-washing machine, which comprises: an inner container; a steam washing system, the steam washing system comprising: a steam generator; the steam nozzle assembly is fixedly arranged on the side wall of the inner container and connected with the steam generator, and the steam nozzle assembly comprises a nozzle which is communicated with the steam generator and sprays steam into the inner container. According to the dish washing machine disclosed by the invention, the steam generated by the steam generator can be further sprayed into the inner container by the nozzle through the steam nozzle assembly, and the high-temperature steam can be rapidly dispersed in the inner container of the dish washing machine, so that the surface temperature of the washed tableware is increased, and the high-viscosity oil stains on the tableware can be softened as soon as possible and are easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. Thereby achieving the dual purposes of improving the cleaning effect and the drying effect.

Description

Dish-washing machine

Technical Field

The invention relates to the technical field of household appliances, in particular to a dish washer.

Background

In the related art, the washing mode of the household dish washer is mainly realized by rotating a spray arm, the spray arm is driven by a circulating water pump, and water flow emitted by the spray arm washes pollutants on the tableware. The final cleaning effect is affected by the jet temperature, the water flow pressure, the nozzle arrangement and the flushing mode. And among the contaminants of household tableware, the residual oil stain is a very tough contaminant. The high-temperature water flow can not always wash and disinfect tableware in all directions without dead angles, and the tableware washing machine still has the defects of incomplete cleaning, residual and easy dead angle keeping and the like. In addition, the hot water in the pre-washing time sequence is often adopted for pre-treating the tableware for the stubborn pollutants on the surface of the tableware, and the pollutants can be eliminated when the pollutants soften when meeting water, however, the energy consumption and the water consumption of the dish washing machine are increased.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present invention is to propose a dishwasher with reduced water consumption and good washing results.

According to an embodiment of the present invention, a dishwasher includes: an inner container; a steam washing system, the steam washing system comprising: a steam generator; the steam nozzle assembly is fixedly arranged on the side wall of the inner container and connected with the steam generator, and the steam nozzle assembly comprises a nozzle which is communicated with the steam generator and sprays steam into the inner container.

According to the dish washer provided by the embodiment of the invention, the steam generated by the steam generator can be further sprayed into the inner container by the nozzle through the steam nozzle assembly, and the high-temperature steam can be rapidly dispersed in the inner container of the dish washer, so that the surface temperature of the washed tableware is increased, and the high-viscosity oil stain on the tableware can be softened as soon as possible and is easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. Thereby achieving the dual purposes of improving the cleaning effect and the drying effect.

In addition, the dishwasher according to the above embodiment of the present invention has the following additional technical features:

according to some embodiments of the invention, the steam nozzle assembly further comprises: a flow divider on which a nozzle mounting hole is formed; the back cover plate is connected with the diverter, a connector for connecting a steam generator is arranged on the back cover plate, and a runner for communicating the nozzle mounting hole with the connector is defined between the diverter and the back cover plate, wherein the nozzle is mounted on the diverter and communicated with the nozzle mounting hole.

Further, a sealing gasket is arranged between the flow divider and the rear cover plate, the sealing gasket is in a ring shape for sealing the peripheral edge of the flow divider and the peripheral edge of the rear cover plate, and the flow passage is formed at the inner side of the sealing gasket.

Further, a first convex ring is formed on one side of the flow divider, a second convex ring is formed on the peripheral edge of the rear cover plate, the first convex ring is nested to be arranged on the inner side of the second convex ring, the flow channel is formed on the inner side of the first convex ring, and the sealing gasket is nested to be arranged on the outer side of the first convex ring.

In some embodiments of the present invention, the nozzles are inserted into the nozzle mounting holes, the nozzles are screwed, clamped or welded with the diverter, and a plurality of spray holes are arranged on each nozzle in a ring shape.

According to some embodiments of the invention, the nozzle comprises: the nozzle support is provided with a through hole and a containing groove connected with the through hole; the flow dividing cone is arranged in the accommodating groove, and a plurality of spray holes are defined between the flow dividing cone and the nozzle support.

Further, the accommodating groove is in a conical groove shape, the through hole is formed at the top point of the accommodating groove, a plurality of injection grooves are formed on the inner peripheral surface of the accommodating groove, and the injection grooves extend to the edge of one side, far away from the top point, of the accommodating groove.

Further, the via hole is a polygonal hole, and each side of the via hole is connected with a jet slot.

In some embodiments of the invention, the diverter cone is bonded or snap-fit to the nozzle mount.

According to some embodiments of the invention, the diverter has a plurality of the nozzles spaced apart thereon.

According to some embodiments of the invention, the steam generator is connected with the steam nozzle assembly by a steam hose; and/or the steam nozzle assembly is arranged between a lower bowl basket installation position and an upper bowl basket installation position of the inner container; and/or the steam generator is fixedly arranged below the inner container.

According to some embodiments of the invention, the steam generator comprises: a base; the shell covers the base, the shell is sealed with the base, a water inlet and a steam outlet are formed in the shell, and the water inlet is lower than the steam outlet; a heating body; the heating body is arranged in the shell.

Further, a heating coil is embedded in the heating body, and rib plates are arranged on the surface of the heating body.

In some embodiments of the invention, a temperature sensor and a water level sensor are mounted on the upper surface of the shell, and the temperature sensor and the water level sensor are connected with a water inlet valve of the steam generator.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an exploded view of an installation of a steam washing system in a dishwasher according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of a steam nozzle assembly of a steam washing system in a dishwasher according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a diverter A-A cross-section of a steam washing system in a dishwasher according to an embodiment of the present invention;

FIG. 4 is a front view of a steam nozzle mount of a steam washing system in a dishwasher according to an embodiment of the present invention;

FIG. 5 is a side view of a steam nozzle mount of a steam washing system in a dishwasher according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of a steam generator of a steam washing system in a dishwasher according to an embodiment of the present invention.

Reference numerals:

the dishwasher 100 is provided with a dishwasher,

the inner container 1, the lower bowl basket 11,

steam washing system 2, steam generator 21, base 211, housing 212, water inlet 2121, steam outlet 2122, heating body 213, rib 2131, temperature sensor 2123, water level sensor 2124, seal 214,

the steam nozzle assembly 22, the flow splitter 221, the nozzle mounting bore 2211, the first collar 2212, the back cover plate 222, the connector 2221, the second collar 2222, the flow passage 223, the gasket 224, the steam hose 23,

nozzle 3, orifice 31, nozzle holder 32, through hole 321, accommodation groove 322, ejection groove 3221, and diversion cone 33.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

The invention belongs to the field of dish washing machines, and particularly relates to a dish washing machine in which a steam generation system is used for washing household tableware in a household dish washing machine.

The high-temperature steam not only has the effect of killing bacteria, fungi and other microorganisms on the surface of the tableware, but also can soften the stubborn oil stains on the surface of the tableware. The water consumption for steam generation is much smaller than for heating water. Steam spraying is a water-saving and efficient tableware treatment method.

In the related art, a dishwasher in which steam participates in dish washing is adopted, and a steam generating device of the dishwasher mainly comprises a heating pipe and a steam nozzle, wherein the heating pipe can generate steam or superheated steam. But the high-temperature steam generated by the system has low flow rate, low pressure and short steam range. The dish washer internal space structure after loading the tableware is irregular, and the diffusion of steam is greatly influenced by the placing position of the tableware, so that the influence area of the steam is limited, the tableware far away from the steam source cannot be heated by fumigation of the steam, pollutants on the tableware cannot be fully heated and softened, and the final cleaning effect is difficult to be obviously improved.

A dishwasher 100 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 6.

Referring to fig. 1, a dishwasher 100 according to an embodiment of the present invention includes: a liner 1 and a steam washing system 2.

Specifically, the steam washing system 2 includes: the steam generator 21 and the steam nozzle assembly 22, the steam nozzle assembly 22 is fixedly arranged on the side wall of the liner 1, the steam nozzle assembly 22 is connected with the steam generator 21, the steam nozzle assembly 22 comprises a nozzle 3, the nozzle 3 is communicated with the steam generator 21, and the nozzle 3 sprays steam into the liner 1. Thereby, steam washing of the dishes in the inner container 1 can be achieved by the steam washing system 2.

The steam generated by the steam generator 21 can be further sprayed from the nozzle 3 via the steam nozzle assembly 22, so that the steam can be sprayed into the liner 1, thereby realizing steam washing of tableware. Specifically, the high-temperature steam can be rapidly dispersed in the inner container 1 of the dishwasher 100, so that the surface temperature of the tableware to be washed is increased, and the high-viscosity oil stain on the tableware can be softened as soon as possible and is easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. Thereby achieving the dual purposes of improving the cleaning effect and the drying effect.

According to the dish washer 100 provided by the embodiment of the invention, the steam generated by the steam generator 21 can be further sprayed into the liner 1 through the steam nozzle assembly 22 by the nozzle 3, and the high-temperature steam can be rapidly dispersed in the liner 1 of the dish washer, so that the surface temperature of the washed tableware is increased, and the high-viscosity oil stains on the tableware can be softened as soon as possible and are easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. Thereby achieving the dual purposes of improving the cleaning effect and the drying effect.

Referring to FIG. 2 in combination with FIG. 1, in accordance with some embodiments of the present invention, the steam nozzle assembly 22 further includes: the flow splitter 221 and the back cover plate 222, the flow splitter 221 is formed with a nozzle mounting hole 2211, and the nozzle 3 is easily mounted through the nozzle mounting hole 2211. The back cover plate 222 is connected to the flow divider 221, a connector 2221 is provided on the back cover plate 222, the connector 2221 is used for connecting the steam generator 21, a flow passage 223 (wherein, a part of the flow passage 223 is shown in fig. 3) is defined between the flow divider 221 and the back cover plate 222, the flow passage 223 communicates with the nozzle mounting hole 2211 and the connector 2221, wherein, the nozzle 3 is mounted on the flow divider 221, and the nozzle 3 communicates with the nozzle mounting hole 2211. The nozzle 3 and the flow divider 221 may be threaded, which ensures a reliable mounting of the nozzle 3 on the flow divider 221.

The steam generated by the steam generator 21 can flow to the steam nozzle assembly 22 via the joint 2221, and further be ejected from the nozzle 3 via the flow path 223, so that the steam can be ejected into the liner 1, thereby realizing steam washing of the tableware.

Further, referring to fig. 2, a gasket 224 is provided between the flow splitter 221 and the back cover 222, the gasket 224 is in a ring shape closing the peripheral edge of the flow splitter 221 and the peripheral edge of the back cover 222, and a flow passage 223 is formed inside the gasket 224. Thus, the sealing performance between the diverter 221 and the rear cover plate 222 can be ensured by the gasket 224, and the use reliability of the steam washing system 2 can be improved.

Wherein the steam nozzle assembly 22 is secured in a preformed groove in the sidewall of the liner of the dishwasher 100. In order to prevent steam and water from leaking at the groove of the inner container, a gasket 224 is installed between the diverter 221 and the back cover 222. A gasket 224 is mounted on the inner wall of the liner 1, and the gasket 224 is used to seal the gap between the liner wall slot edge and the back cover plate 222.

Further, as shown in fig. 2 and 3, a first protruding ring 2212 is formed on one side of the flow splitter 221 (the side of the flow splitter 221 adjacent to the back cover plate 222), a second protruding ring 2222 is formed on the periphery of the back cover plate 222, the first protruding ring 2212 is nested inside the second protruding ring 2222, the flow channel 223 is formed inside the first protruding ring 2212, and the sealing gasket 224 is nested outside the first protruding ring 2212. Therefore, the steam nozzle assembly 22 has better sealing performance, so that steam can be conveniently and normally sprayed into the liner 1 through the nozzle 3, and steam washing of tableware is realized.

In some embodiments of the present invention, referring to fig. 2 and 5, the nozzle 3 is inserted into the nozzle mounting hole 2211, and the nozzle 3 is screwed, snapped or welded with the flow splitter 221, so that a reliable connection between the nozzle 3 and the flow splitter 221 can be ensured. Each nozzle 3 is provided with a plurality of spray holes 31, and the plurality of spray holes 31 are arranged in a ring shape. This allows steam to be more evenly sprayed into the inner tub 1 through the plurality of spray holes 31, thereby washing dishes better.

According to some embodiments of the invention, in combination with fig. 2 and 4, the nozzle 3 comprises: the nozzle holder 32 and the diverging cone 33, the nozzle holder 32 is formed with a through hole 321 and a receiving groove 322, and the receiving groove 322 is connected to the through hole 321. The diverging cone 33 is mounted in the receiving slot 322, and a plurality of spray holes 31 are defined between the diverging cone 33 and the nozzle mount 32. By means of the engagement of the cone 33 with the nozzle support 32, steam can thus be sprayed into the inner container 1 via the plurality of spray openings 31, thereby better washing the dishes.

The via 321 shown in fig. 2 is a wall of the via, and the via 321 is located inside the wall. The structure of the via 321 is shown in fig. 4.

Further, referring to fig. 2, 4 and 5, the accommodating groove 322 has a tapered groove shape, the through hole 321 is formed at the apex (small opening end of the tap 33) of the accommodating groove 322, a plurality of injection grooves 3221 are formed on the inner circumferential surface of the accommodating groove 322, and the injection grooves 3221 extend to the edge of the accommodating groove 322 on the side away from the apex (for example, the edge of the large opening end of the accommodating groove 322). Thus, the steam entering the nozzle 3 through the through holes 321 can be uniformly sprayed to the inner container 1 through the plurality of spray grooves 3221 and further through the plurality of spray holes 31 to participate in the washing of the tableware.

Further, referring to fig. 4, the via 321 is a polygonal hole, and one spray groove 3221 is connected to each side of the via 321. Thereby facilitating uniform spraying of steam into the inner tub 1 for better washing of dishes.

For example, in the embodiment of the present invention shown in fig. 4, the via 321 is an octagonal hole, and of course, the via may be a quadrangular hole, a pentagonal hole, a hexagonal hole, a circular hole, or the like.

In some embodiments of the invention, and in conjunction with fig. 2, a tap 33 is bonded or snap-fit to the nozzle mount 32. Thereby, a reliable connection between the tap 33 and the nozzle holder 32 can be ensured, so that steam can be more uniformly sprayed into the liner 1 from the plurality of spray holes 31.

As shown in fig. 2, a plurality of nozzles 3 (e.g., four nozzles 3 are shown in fig. 2) are spaced apart on the flow splitter 221 according to some embodiments of the invention. The outlet velocity and pressure profiles of the four nozzle interfaces (i.e., the vias 321) are symmetrically distributed. This can increase the amount of steam sprayed into the liner 1 at the same time, thereby improving the washing efficiency.

The steam generated by the steam generator 21 can be further sprayed from the nozzle 3 via the steam nozzle assembly 22, so that the steam can be sprayed into the liner 1, thereby realizing steam washing of tableware. Specifically, the high-temperature steam can be dispersed in the inner container 1 of the dish washer rapidly, so that the surface temperature of the washed tableware is increased, and the high-viscosity oil stain on the tableware can be softened as soon as possible and is easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. The plurality of spray nozzles 3 spaced from the diverter 221 spray a plurality of diffuse streams that can cover more dishes in the dishwasher liner 1. Thereby achieving the dual purposes of improving the cleaning effect and the drying effect.

Referring to fig. 1, according to some embodiments of the present invention, a steam hose 23 connects between a steam generator 21 and a steam nozzle assembly 22. This allows the steam generated by the steam generator 21 to be directed to the steam nozzle assembly 22 via the steam hose 23 and further sprayed into the liner 1 through the plurality of spray holes 31.

And/or the steam nozzle assembly 22 is mounted between a lower basket mounting position (see lower basket 11 in fig. 1) and an upper basket mounting position of the liner 1. Therefore, the steam dispersion is not affected by the placement of tableware, and the tableware is convenient to be washed by steam.

And/or the steam generator 21 is fixedly arranged below the inner container 1. In this way, the occupation of the washing space in the inner container 1 by the steam generator 21 can be reduced.

As shown in fig. 6 and 1, according to some embodiments of the present invention, the steam generator 21 includes: a base 211, a housing 212 and a heating body 213.

Specifically, the housing 212 is placed on the base 211, and the housing 212 and the base 211 are sealed, for example, the housing 212 and the base 211 may be sealed by a seal 214. The housing 212 is formed with a water inlet 2121 and a steam outlet 2122, and the water inlet 2121 is lower than the steam outlet 2122, that is, at a height position in the up-down direction, the water inlet 2121 is located below the steam outlet 2122. This ensures that the steam can smoothly flow out of the steam generator 21 after the steam is generated. A heating body 213 is provided in the housing 212. Thereby, the water flow entering the housing 212 through the water inlet 2121 can deform the steam by the heating of the heating body 213 and the steam is ejected from the steam outlet 2122.

Further, referring to fig. 6, a heating coil (not shown) is buried in the heating body 213, and the surface of the heating body 213 has ribs 2131. This enhances the heat exchange effect and improves the usability of the steam generator 21.

In some embodiments of the present invention, in conjunction with fig. 6, a temperature sensor 2123 and a water level sensor 2124 are mounted on an upper surface of the housing 212, and the temperature sensor 2123 and the water level sensor 2124 are connected to a water inlet valve (not shown) of the steam generator 21. The water level sensor 2124 is used for sensing the water level change condition in the steam generator 21, and starts water injection when the water level in the steam generator 21 is too low, and stops water injection when the water level in the steam generator 21 exceeds the highest water level. The temperature sensor 2123 is directly connected to the water inlet valve, the temperature sensor 2123 is used for detecting the water temperature in the housing 212, and when the water level is too low and dry burning occurs, the temperature fed back by the temperature sensor 2123 can be reduced, and then a low water level early warning is sent. The temperature sensor 2123 achieves double safety protection of the heating body 213 by monitoring a change in temperature.

The present invention overcomes the disadvantages of the similar inventions and aims to provide a steam washing system 2 which can be applied to the dish washing of the dishwasher 100, thereby improving the washing effect of the dishwasher 100. The steam washing system 2 has the advantages of high pressure, large flow rate and wide dispersion.

The steam washing system 2 of the dishwasher 100, high temperature steam is generated and then enters the steam nozzle assembly 22 (steam diffuser). The steam nozzle assembly 22 uniformly divides the high temperature steam into multiple branches and then enters the steam nozzle 3, and the system utilizes the unique internal geometry of the steam nozzle to form multiple continuous high-speed steam jet streams. The dividing cone 33 in the steam nozzle 3 can divide the steam substream into a plurality of fine steam diffusing jets. Under the entrainment of the multiple jets, the heat in the water vapor can be rapidly dissipated into the dishwasher liner 1. The high-temperature steam can be dispersed in the inner container 1 of the dish washer rapidly, so that the surface temperature of the washed tableware is increased, and the high-viscosity oil stain on the tableware can be softened as soon as possible and is easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. The multiple spread streams can cover more dishes in the dishwasher liner 1. The invention realizes the dual purposes of improving the cleaning effect and the drying effect.

In order to achieve the above purpose, the system of the invention adopts the following technical scheme: the dishwasher steam washing system 2 includes a steam generator 21 and a steam nozzle assembly 22. Preferably, the steam generator 21 is mounted below the dishwasher liner 1.

Preferably, the steam nozzle assembly 22 of the steam washing system 2 of the dishwasher 100 is mounted on a side wall of the dishwasher container 1 at a height between the middle basket and the lower basket.

Preferably, the steam generator 21 includes a base 211, a heating body 213, a sealing member 214, a housing 211, a water level sensor 2124, and a temperature sensor 2123. The water inlet 2121 and the steam outlet 2122 are provided on the surface of the housing 211, the heating body 213 is made of cast aluminum, and a heating coil is embedded in the heating body 213. The rib 2131 is provided on the surface of the heating body 213 to enhance the heat exchange effect. The housing 212 has a temperature sensor 2123 and a water level sensor 2124 mounted on an upper surface thereof. Starting water injection when the water level in the steam generator 21 is too low; the water injection is stopped when the water level in the steam generator 21 exceeds the maximum water level. The temperature sensor 2123 is directly connected to the inlet valve. The temperature sensor 2123 is used for detecting the water temperature in the housing 212, and when the water level is too low and dry burning occurs, the temperature fed back by the temperature sensor 2123 can be reduced, and then a low water level early warning is sent. The temperature sensor 2123 achieves double safety protection of the heating body 213 by monitoring a change in temperature.

Preferably, the steam nozzle assembly 22 of the dishwasher steam washing system 2 includes a joint 2221, a back cover plate 222, a gasket 224, a diverter 221, and steam nozzles 3.

The steam nozzle 3 comprises a tap 33 and a nozzle support 32. The splitter 221 divides the incoming high temperature steam into several substreams. The high temperature steam in the side stream is directed to the steam nozzle 3. The steam nozzles 3 on the splitter 221 are arranged at equal intervals. The nozzle support 32 is provided with channels for the flow of steam. The channels are radially arranged, and high-temperature steam is sprayed out of the radial channels and then rapidly diffuses and heats the surface of the tableware in the liner 1.

Preferably, as shown in fig. 1, a dishwasher 100 according to an embodiment of the present invention includes a steam washing system 2. The steam washing system 2 includes a steam generator 21, a steam nozzle assembly 22, and a steam hose 23. The steam washing system 2 is fixed to one side of the dishwasher 100 (e.g., the tub 1). Wherein, the steam generator 21 is fixed below the liner 1 of the dishwasher 100, and the steam nozzle assembly 22 is fixed in a reserved groove on the sidewall of the liner of the dishwasher 100. In order to keep the dispersion of steam from being affected by the placement of the cutlery, the steam nozzle assembly 22 is suitably mounted in the area above the lower basket 11, but not higher than the upper basket. The steam generator 21 and the steam nozzle assembly 22 are connected by a steam hose 23. The high temperature steam enters the steam nozzle assembly 22 through the steam hose 23 after being formed in the steam generator 21.

Preferably, as shown in FIG. 2, steam nozzle assembly 22 includes a joint 2221, a back cover plate 222, a gasket 224, a diverter 221, a diverter cone 33, and a nozzle mount 32. A diverging cone 33 and a nozzle mount 32 form a nozzle 3. The nozzle 3 and the diverter 221 are fixed by screw threads. The diversion cone 33 and the nozzle support 32 can be connected and fixed by adopting adhesive (bonding) or clamping. In order to prevent steam and water from leaking at the groove of the inner container, a gasket 224 is installed between the diverter 221 and the back cover 222. A gasket 224 is mounted on the inner wall of the liner 1, and the gasket 224 is used to seal the gap between the liner wall slot edge and the back cover plate 222. The back cover plate 222 may be screwed to the back of the flow splitter 221.

Preferably, as shown in fig. 2 and 3, the inside of the flow splitter 221 is provided with nozzle mounting holes 2211 of four nozzles 3. Four nozzle mounting holes 2211 are connected in series by one passage (i.e., the flow passage 223), and the four nozzle mounting holes 2211 are arranged at equal intervals. Steam is distributed to four nozzle holders 32 after entering flow passage 223. The outlet velocity and pressure profiles of the four nozzle interfaces (i.e., the vias 321) are symmetrically distributed. The connector 2221 may be secured directly to the inlet end of the flow splitter 221 with an adhesive.

Preferably, as shown in fig. 4, a plurality of channels (such as spray grooves 3221) may be disposed in the nozzle support 32, eight rectangular steam channels are radially disposed in the nozzle support 32 in the present embodiment, the through hole (via 321) in the center of the nozzle support 32 may be circular or regular polygon, and the number of sides of the cross section of the via 321 is the same as the number of channels, and the regular octagonal via 321 is employed in the present embodiment. The threads on the distal end of the nozzle mount 32 are used to secure the nozzle mount 32 to the flow splitter 221.

Preferably, as shown in fig. 5, the steam generator 21 includes a base 211, a sealing member 214, a heating body 213, a housing 212, a water level sensor 2124, and a temperature sensor 2123. The water inlet 2121 and the steam outlet 2122 are disposed on the surface of the housing 212, and the position of the water inlet 2121 is relatively lower than that of the steam outlet 2122, so that the steam can smoothly flow out of the steam generator 21 after being generated. The heating body 213 is made of cast aluminum, and a heating coil is embedded in the heating body 213. The rib plate 2131 is adopted on the surface of the heating body 213 to strengthen the heat exchange effect. The housing 212 has a temperature sensor 2123 and a water level sensor 2124 mounted on an upper surface thereof. The water level sensor 2124 is used to sense the water level change in the steam generator 21. Starting water injection replenishment when the water level in the steam generator 21 is too low; stopping water inflow when the water level in the steam generator 21 exceeds a predetermined maximum water level; the temperature sensor 2123 is used for detecting the water temperature in the housing 212, and the temperature sensor 2123 is directly connected to the water inlet valve. When the water level is too low and the heating body 213 burns dry, the temperature fed back by the temperature sensor 2123 will change rapidly, and the complete machine system will give an alarm of low water level. The sensor can also function as a second protection steam generator 21 while sensing the water temperature.

The operation of the dishwasher 100 according to an embodiment of the present invention is described in detail with reference to fig. 1 to 6.

Specifically, the steam generated by the steam generator 21 can be further discharged from the nozzle 3 via the steam nozzle assembly 22, so that the steam can be injected into the inner tub 1, thereby realizing steam washing of the tableware. Specifically, the water flow entering the housing 212 through the water inlet 2121 may deform the steam by the heating of the heating body 213 and spray the steam through the steam outlet 2122 toward the steam nozzle assembly 22. The high-temperature steam discharged from the steam outlet 2122 can flow to the steam nozzle unit 22 via the joint 2221, and further be discharged from the nozzle 3 via the flow path 223, so that steam can be injected into the inner tub 1, thereby realizing steam washing of tableware.

The high-temperature steam can be dispersed in the inner container 1 of the dish washer rapidly, so that the surface temperature of the washed tableware is increased, and the high-viscosity oil stain on the tableware can be softened as soon as possible and is easy to clean. During the rinse phase, the steam adheres to the surface of the dishes, allowing the dishes to dry faster. The plurality of spray nozzles 3 spaced from the diverter 221 spray a plurality of diffuse streams that can cover more dishes in the dishwasher liner 1. Thereby achieving the dual purposes of improving the cleaning effect and the drying effect. The operation of the dishwasher 100 according to the embodiment of the present invention is completed.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. A dishwasher, comprising:

an inner container;

a steam washing system, the steam washing system comprising:

a steam generator;

the steam nozzle assembly is fixedly arranged on the side wall of the inner container, is connected with the steam generator and comprises a nozzle which is communicated with the steam generator and sprays steam into the inner container;

the steam nozzle assembly further comprises:

a flow divider on which a nozzle mounting hole is formed;

a rear cover plate connected with the diverter, a joint for connecting the steam generator is arranged on the rear cover plate, a flow passage for communicating the nozzle mounting hole and the joint is defined between the diverter and the rear cover plate,

wherein the nozzle is mounted on the diverter and communicates with the nozzle mounting hole;

a sealing gasket is arranged between the flow divider and the rear cover plate, the sealing gasket is in a ring shape for sealing the peripheral edge of the flow divider and the peripheral edge of the rear cover plate, and the flow passage is formed at the inner side of the sealing gasket;

one side of the flow divider is provided with a first convex ring, the periphery of the rear cover plate is provided with a second convex ring, the first convex ring is nested to be arranged on the inner side of the second convex ring, the flow passage is formed on the inner side of the first convex ring, and the sealing gasket is nested to be arranged on the outer side of the first convex ring.

2. The dishwasher of claim 1, wherein the nozzles are inserted into the nozzle mounting holes, the nozzles are screw-coupled, snap-fitted or welded to the flow divider, and each of the nozzles is provided with a plurality of spray holes arranged in a ring shape.

3. The dishwasher of claim 2, wherein the nozzle comprises:

the nozzle support is provided with a through hole and a containing groove connected with the through hole;

the flow dividing cone is arranged in the accommodating groove, and a plurality of spray holes are defined between the flow dividing cone and the nozzle support.

4. A dishwasher according to claim 3, wherein the receiving slot is tapered, the through hole is formed at an apex of the receiving slot, a plurality of spraying slots are formed on an inner circumferential surface of the receiving slot, and the spraying slots extend to an edge of a side of the receiving slot away from the apex.

5. The dishwasher of claim 4, wherein the via is a polygonal hole, and one spray slot is connected to each side of the via.

6. A dishwasher according to claim 3, wherein the tap is glued or snap-fitted to the nozzle mount.

7. The dishwasher of claim 2, wherein the diverter has a plurality of the nozzles spaced apart thereon.

8. Dishwasher according to any one of claims 1-2, characterized in that,

the steam generator is connected with the steam nozzle assembly through a steam hose; and/or

The steam nozzle assembly is arranged between the lower bowl basket installation position and the upper bowl basket installation position of the inner container; and/or

The steam generator is fixedly arranged below the inner container.

9. The dishwasher of claim 1, wherein the steam generator comprises:

a base;

the shell covers the base, the shell is sealed with the base, a water inlet and a steam outlet are formed in the shell, and the water inlet is lower than the steam outlet;

and the heating body is arranged in the shell.

10. The dishwasher of claim 9, wherein the heating coil is embedded in the heating body, and the surface of the heating body has ribs.

11. The dishwasher of claim 9, wherein a temperature sensor and a water level sensor are installed on an upper surface of the housing, the temperature sensor and the water level sensor being connected to a water inlet valve of the steam generator.