CN214017460U

CN214017460U - Tableware washing equipment

Info

Publication number: CN214017460U
Application number: CN202021650286.5U
Authority: CN
Inventors: 范岩峰; 薛维军
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd; Guangdong Midea White Goods Technology Innovation Center Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd; Guangdong Midea White Goods Technology Innovation Center Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-08-24
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a tableware washing device, which comprises an inner container and a water tank, wherein the inner container is used for forming a washing cavity for containing tableware to be washed; the water tank is used for forming a first water storage cavity and a second water storage cavity so as to contain washing water for washing the tableware to be washed; wherein, the water tank is L shape setting to at least part covers the lateral wall and the roof of inner bag, and first retaining chamber and second retaining chamber are the L shape setting that corresponds with the water tank shape, so that the washing water in first retaining intracavity can carry out the heat exchange with the washing water of second retaining intracavity. The utility model discloses can realize the heat recovery to the washing water, save the electric quantity that heats the washing water to reduce tableware washing equipment's power consumption, be favorable to energy-concerving and environment-protective.

Description

Tableware washing equipment

Technical Field

The utility model relates to a kitchen appliance technical field, in particular to tableware washing equipment.

Background

In recent years, whether consumer products are energy-saving, environment-friendly and low-carbon products is more and more concerned by consumers, the energy consumption value of kitchen electrical products is also reduced one by one, and how to reduce the power consumption is also a key problem. The power consumption of the dishwasher is mainly derived from the power consumed for heating the hot water.

The inventor of the present application has found in long-term research and development that the power consumption is generally reduced by lowering the temperature of the washing water, but the dish washing is not clean due to the too low temperature of the washing water, especially the stubborn greasy dirt, and finally the expected washing effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tableware washing device to solve the great technical problem of power consumption of the dish washer in the prior art.

In order to solve the above technical problem, the utility model discloses a technical scheme provide a tableware washing equipment, include:

the inner container is used for forming a washing cavity for accommodating tableware to be washed;

a water tank for forming a first water storage chamber and a second water storage chamber to contain washing water for washing the dishes to be washed;

wherein, the water tank is L shape setting to at least part covers the lateral wall and the roof of inner bag, first water storage chamber and second water storage chamber be with the L shape setting that the water tank shape corresponds, so that in the first water storage chamber wash water can with in the second water storage chamber wash water carries out the heat exchange.

In a specific embodiment, an included angle between a portion of the water tank covering the side wall of the inner container and a portion of the water tank covering the top wall is 92 ° to 95 °.

In one embodiment, the ratio of the volumes of the first reservoir chamber and the second reservoir chamber is 0.9 to 1.1.

In a specific embodiment, the water tank includes a first sub-tank and a second sub-tank, the first sub-tank is disposed inside the second sub-tank, and the first water storage cavity is formed inside the first sub-tank, and the second water storage cavity is formed between the first sub-tank and the second sub-tank, so that the washing water in the first water storage cavity exchanges heat with the washing water in the second water storage cavity through the first sub-tank.

In a specific embodiment, the surface of the first sub-tank is undulated, or the first sub-tank includes a plurality of heat exchange tubes arranged side by side, a flow dividing tube connected to one end of the plurality of heat exchange tubes, and a collecting tube connected to the other end of the plurality of heat exchange tubes, and the washing water flows into the plurality of heat exchange tubes through the flow dividing tube and flows out through the collecting tube.

In a specific embodiment, the water tank includes main tank body and baffle, main tank body forms total cavity, the baffle set up in total cavity, and will total cavity is separated into and is located the baffle both sides first retaining chamber with second retaining chamber, so that the washing water in the first retaining intracavity passes through the baffle with the washing water in the second retaining intracavity carries out the heat exchange, the baffle is plane setting or the setting of undulation form.

In a specific embodiment, the top of the water tank is provided with a first exhaust hole and a second exhaust hole, the first exhaust hole is communicated with the first water storage cavity, the second exhaust hole is communicated with the second water storage cavity, and the first exhaust hole and the second exhaust hole are staggered or nested with each other.

In a specific embodiment, the top of the water tank is provided with a first water outlet and a second water outlet, the first water outlet is communicated with the first water storage cavity, the second water outlet is communicated with the second water storage cavity, the water tank further comprises a first switching pipeline and a second switching pipeline respectively connected with the first water outlet and the second water outlet, and the first switching pipeline and the second switching pipeline are used for respectively guiding the washing water overflowing from the first water outlet and the second water outlet to the bottom of the water tank.

In an embodiment, the first water storage cavity is used for storing the hot rinsing water of the previous washing process as one of the washing water and the cold rinsing water of the washing process.

In a specific embodiment, the second water storage cavity is used for storing external fresh water, and the first water storage cavity further receives the current washing water, so that the external fresh water in the second water storage cavity exchanges heat with the current washing water in the first water storage cavity to serve as the current hot rinsing water of the current washing process.

The utility model discloses tableware washing equipment includes inner bag and water tank, through setting the water tank to L shape, and make the at least part of water tank cover the lateral wall and the roof of inner bag, the first retaining chamber and the second retaining chamber of water tank are the L shape setting that corresponds with the water tank shape, so that the washing water in the first retaining intracavity can carry out the heat exchange with the washing water in the second retaining intracavity, can realize the heat recovery to the washing water, sparingly heat the electric quantity of washing water, thereby reduce tableware washing equipment's power consumption, be favorable to energy-concerving and environment-protective.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic perspective view of an embodiment of the dishwasher;

FIG. 2 is a schematic perspective view of a portion of an embodiment of the dishwasher;

FIG. 3 is a schematic structural view of an embodiment of the dishwasher;

FIG. 4 is a schematic perspective view of a water tank of an embodiment of the dishwasher;

FIG. 5 is a schematic side view of a water tank of an embodiment of the dishwasher;

FIG. 6 is a schematic partial perspective view of the warewashing apparatus of FIG. 4 in accordance with one embodiment M;

FIG. 7 is a schematic perspective view of a first sub-tank of an embodiment of the dishwasher;

FIG. 8 is a schematic cross-sectional view of an embodiment of the warewashing apparatus of FIG. 5 taken along the line A-A;

FIG. 9 is a schematic view, partly in section, of an embodiment of the dishwashing appliance of FIG. 5 in the direction B-B;

FIG. 10 is a schematic structural view of another embodiment of the dishwasher of the present invention;

FIG. 11 is a schematic perspective view of a first sub-tank of another embodiment of the dishwasher;

FIG. 12 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 5 taken along A-A;

FIG. 13 is a schematic view, partly in section, taken along the line B-B, of another embodiment of the dishwashing appliance of FIG. 5;

FIG. 14 is a schematic perspective view of a first sub-tank of another embodiment of the dishwasher;

FIG. 15 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 5 taken along A-A;

FIG. 16 is a schematic view, partly in section, taken along the line B-B, of another embodiment of the dishwashing appliance of FIG. 5;

FIG. 17 is a schematic structural view of another embodiment of the dishwasher of the present invention;

FIG. 18 is a schematic perspective view of a water tank in another embodiment of the dishwasher;

FIG. 19 is a schematic side view of a water tank of another embodiment of the dishwasher;

FIG. 20 is a schematic perspective view of a first sub-tank of another embodiment of the dishwasher;

FIG. 21 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 19, taken along the direction C-C;

FIG. 22 is a schematic partial cross-sectional view of another embodiment of the dishwashing appliance of FIG. 19 in the direction D-D;

FIG. 23 is a schematic view of a portion of another embodiment N of the warewashing apparatus of FIG. 18;

FIG. 24 is a schematic cross-sectional view of the warewashing apparatus of FIG. 19 in accordance with another embodiment O;

FIG. 25 is a schematic perspective view of a first sub-tank of another embodiment of the dishwasher;

FIG. 26 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 19, taken along the direction C-C;

FIG. 27 is a schematic partial cross-sectional view of another embodiment of the dishwashing appliance of FIG. 19, taken along direction D-D;

FIG. 28 is a schematic perspective view of a first sub-tank of another embodiment of the dishwasher;

FIG. 29 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 19, taken along the direction C-C;

FIG. 30 is a schematic partial cross-sectional view of another embodiment of the dishwashing appliance of FIG. 19 in the direction D-D;

FIG. 31 is a schematic perspective view of a water tank in another embodiment of the dishwasher;

FIG. 32 is a schematic side view of a water tank in another embodiment of the dishwashing appliance of the present invention;

FIG. 33 is a schematic perspective view of a partition plate in another embodiment of the dishwasher;

FIG. 34 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 32, taken along direction E-E;

FIG. 35 is a schematic view, partly in section, taken along the direction F-F, of another embodiment of the dishwashing appliance of FIG. 32;

FIG. 36 is a schematic view of a portion of another embodiment P of the dishwashing appliance of FIG. 31;

FIG. 37 is a schematic cross-sectional view of another embodiment Q of the dishwashing appliance of FIG. 32;

FIG. 38 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 32, taken along direction E-E;

FIG. 39 is a schematic view, partly in section, of another embodiment of the dishwashing appliance of FIG. 32, taken along the direction F-F;

FIG. 40 is a schematic cross-sectional view of another embodiment of the dishwashing appliance of FIG. 32, taken along direction E-E;

FIG. 41 is a schematic partial sectional view of another embodiment of the warewashing apparatus of FIG. 32, taken along the direction F-F;

FIG. 42 is a schematic structural view of another embodiment of the dishwasher of the present invention;

FIG. 43 is a schematic structural view of another embodiment of the dishwasher;

FIG. 44 is a schematic structural view of another embodiment of the dishwasher of the present invention;

FIG. 45 is a schematic structural view of another embodiment of the dish washing apparatus of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

The terms "first" and "second" in this application 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. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 1 to 3, an embodiment of the tableware washing apparatus 10 of the present invention includes an inner container 100, a water collecting cup 200 and a water tank 300, wherein the inner container 100 is used for forming a washing chamber 110 for accommodating tableware to be washed; the water collecting cup 200 is disposed at the bottom of the inner container 100 and is used for forming a water collecting cavity 210 to collect the washing water flowing out from the washing cavity 110, the water collecting cavity 210 is communicated to the washing cavity 110 through a first water supply pipeline 410, a washing pump 510 is disposed on the water collecting cup 200 and/or the first water supply pipeline 410 and is used for pumping the washing water in the water collecting cavity 210 to the washing cavity 110 through the first water supply pipeline 410, and a heating device (not shown) is disposed on the water collecting cup 200 and/or the first water supply pipeline 410 and/or the washing pump 510 and is used for selectively heating the washing water; the water tank 300 is used for forming a first water storage cavity 301 and a second water storage cavity 302, the first water storage cavity 301 is communicated to the water collecting cavity 210 through a second water supply pipeline 420, and the second water storage cavity 302 is communicated to the water collecting cavity 210 through a third water supply pipeline 430; the first water storage cavity 301 is used for storing previous hot rinsing water of the last washing process, the second water storage cavity 302 is used for storing external fresh water, the second water supply pipeline 420 is used for guiding the previous hot rinsing water in the first water storage cavity 301 into the water collecting cavity 210 to serve as cold rinsing water of the current washing process, and the third water supply pipeline 430 is used for guiding the external fresh water in the second water storage cavity 302 into the water collecting cavity 210 to serve as cleaning water of the current time.

The embodiment of the utility model provides a tableware washing equipment 10 includes inner bag 100, set up in water collection cup 200 and the water tank 300 of inner bag 100 bottom, through the last time hot drift water storage in water tank 300 with last washing process, set up first supply channel 410 and deliver to the washing chamber of inner bag 100 with the washing water that will catchment in the cup 200, set up second supply channel 420 and lead-in water collection cup 200 with the last time hot drift water in first water storage chamber 301, with this time cold drift water as washing process, set up third supply channel 430 with the leading-in water collection cup 200 of outside new water in the second water storage chamber 302 of water tank 300, with this washing water, can realize the recycle of hot drift water, the water yield of a washing is saved, thereby reduce the water consumption of tableware washing equipment 10, be favorable to this time energy-concerving and environment-protective.

In this embodiment, this time wash water is heated by heating device, first water storage cavity 301 further communicates to water collection cavity 210 through first drainage pipeline 440, further be provided with drain pump 520 on water collection cup 200 and/or first drainage pipeline 440, drain pump 520 is used for accomplishing this time wash water pump to first water storage cavity 301 through first drainage pipeline 440 after the cleaning process is accomplished, with the outside fresh water in cold float in-process and second water storage cavity 302 carries out the heat exchange, third water supply pipeline 430 further leads into water collection cavity 210 with the outside fresh water after the heat exchange after the cold float in-process is accomplished, with this time hot float water as, can save the heating process to hot float water, save the required electric quantity of heating, thereby reduce the power consumption of tableware washing equipment 10, and be favorable to energy saving and environmental protection.

In other embodiments, the second water supply pipeline 420, the third water supply pipeline 430 and the first water discharge pipeline 440 may also be connected to the inner container 100, and then collected into the water collecting cup 200 through the inner container 100, which is not limited herein.

In this embodiment, the dish washing apparatus 10 further includes a diverting valve 530 disposed on the second water supply pipeline 420 and a second water discharge pipeline 450 communicated to the second water supply pipeline 420 via the diverting valve 530, the diverting valve 530 is used for discharging the hot-exchanged washing water via the second water discharge pipeline 450, and the drain pump 520 further pumps the hot-rinsing water via the first water discharge pipeline 440 to the first water storage cavity 301 after the hot rinsing process is completed, so as to recycle the hot-rinsing water.

In this embodiment, the drainage pump 520 further pumps the cold bleaching water to the first water storage chamber 301 through the first drainage pipeline 440 after the cold bleaching process is completed, and discharges the cold bleaching water through the second drainage pipeline 450 via the diverting valve 530.

In this embodiment, the dish washing apparatus 10 further includes a combining element 540, and the combining element 540 is used for combining the second water supply pipeline 420 and the third water supply pipeline 430 into one pipeline and communicating the one pipeline to the water collecting cavity 210, so that the pipeline arrangement is simpler, the structure of the dish washing apparatus 10 is more compact, and the occupied space is reduced.

In this embodiment, the dish washing device 10 further includes a housing 600, the inner container 100, the water collection cup 200 and the water tank 300 are all disposed in the housing 600, the housing 600 can protect the inner container 100, the water collection cup 200 and the water tank 300, and the like, and can make the appearance of the dish washing device 10 more regular.

Referring to fig. 4 to 9 together, in the present embodiment, the water tank 300 includes a first sub-tank 310 and a second sub-tank 320, the first sub-tank 310 is disposed inside the second sub-tank 320, and further a first water storage cavity 301 is formed inside the first sub-tank 310, and a second water storage cavity 302 is formed between the first sub-tank 310 and the second sub-tank 320, so that the washing water in the first water storage cavity 301 exchanges heat with the washing water in the second water storage cavity 302 through the first sub-tank 310, and by disposing the first sub-tank 310 inside the second sub-tank 320, the outer surface of the first sub-tank 310 can both contact with the washing water in the second water storage cavity 302, thereby making the heat exchange area larger, and the heat exchange efficiency higher.

In this embodiment, the water tank 300 is provided with a first water outlet 311, a second water outlet 321, a first switching pipeline 330 and a second switching pipeline 340 connected to the first water outlet 311 and the second water outlet 321, respectively, the first water outlet 311 is communicated with the first water storage cavity 301, the second water outlet 321 is communicated with the second water storage cavity 302, the first water outlet 311 and the second water outlet 321 are located at the top of the water tank 300, the first switching pipeline 330 is used for guiding the washing water overflowing from the first water outlet 311 to the bottom of the water tank 300 to be discharged through the third water outlet 312, and the second switching pipeline 340 is used for guiding the washing water overflowing from the second water outlet 321 to the bottom of the water tank 300 to be discharged through the fourth water outlet 322. In the embodiment, the first water outlet 311 and the second water outlet 321 are disposed at the top of the water tank 300, so that the valve can be omitted, the structure of the dish washing device 10 is simpler and more compact, and the occupied space is reduced.

In this embodiment, the second water supply pipeline 420 is connected to the third water outlet 312, and further connected to the first water outlet 311 through the first switching pipeline 330, so that the previous hot rinsing water in the first water storage cavity 301 flows into the water collecting cavity 210 through the second water supply pipeline 420 under the driving of the present washing water pumped by the drainage pump 520.

In this embodiment, the third water supply pipeline 430 is connected to the fourth water outlet 322 and further connected to the second water outlet 321 through the second adapting pipeline 340, so that the fresh external water in the second water storage cavity 302 flows into the water collecting cavity 210 through the third water supply pipeline 430 under the driving of the fresh external water from the external water source.

In this embodiment, the bottom of the water tank 300 is provided with a first water inlet 313 and a second water inlet 323, the first water inlet 313 is communicated with the first water storage cavity 301, and the second water inlet 323 is communicated with the second water storage cavity 302.

Specifically, the dish washing apparatus 10 further includes a controller (not shown), the dish washing apparatus 10 is turned on, and the controller controls the fresh external water to be introduced into the second water storage chamber 302 through the second water inlet 323, so that the fresh external water previously stored in the second water storage chamber 302 is pushed out through the fourth water outlet 322 and introduced into the water collection chamber 210 through the third water supply line 430 and the combining element 540 as the washing water, which is pre-washed and main-washed by the washing pump 510 and the heating device, wherein the washing water is heated by the heating device during the main-washing;

after the main washing is finished, the controller controls the drainage pump 520 to pump the heated current washing water to the first water storage cavity 301 through the first drainage pipeline 440, so that the previous hot rinsing water stored in the first water storage cavity 301 is pushed out through the third water outlet 312, and is guided into the water collection cavity 210 through the second water supply pipeline 420, the flow dividing valve 530 and the combining element 540 to be used as the current cold rinsing water, and the cold rinsing is performed through the washing pump 510, and in the cold rinsing process, the current washing water in the first water storage cavity 301 exchanges heat with the external fresh water in the second water storage cavity 302;

after the cold rinsing is completed, the controller controls the drainage pump 520 to pump the cold rinsing water to the first water storage cavity 301 through the first drainage pipeline 440, so that the washing water stored in the first water storage cavity 301 is pushed out through the third water outlet 312 and is discharged through the second water supply pipeline 420, the flow dividing valve 530 and the second drainage pipeline 450, and controls the external fresh water to be led into the second water storage cavity 302 through the second water inlet 323, so that the external fresh water after heat exchange with the washing water is pushed out through the fourth water outlet 322 and is led into the water collecting cavity 210 through the third water supply pipeline 430 and the combining element 540 to be used as the hot rinsing water, and the hot rinsing is performed through the washing pump 510;

after the hot rinsing is completed, the controller controls the draining pump 520 to pump the hot rinsing water to the first water storage cavity 301 through the first draining pipeline 440, so that the cold rinsing water stored in the first water storage cavity 301 is pushed out through the third water outlet 312 and is discharged through the second water supply pipeline 420, the flow dividing valve 530 and the second draining pipeline 450, and after the washing is finished, the hot rinsing water in the first water storage cavity 301 and the outside fresh water in the second water storage cavity 302 exchange heat with the outside air until the room temperature.

Referring to fig. 10, in another embodiment, the second water supply line 420 may be directly connected to the first water outlet 311, and the third water supply line 430 may be directly connected to the second water outlet 321, so as to omit the switching line, thereby making the structure of the dish washing apparatus 10 simpler and more compact and reducing the occupied space.

Referring to fig. 4 to 9 again, in this embodiment, the water tank 300 is L-shaped, and at least partially covers the side wall and the top wall of the inner container 100, the first water storage cavity 301 and the second water storage cavity 302 are L-shaped corresponding to the shape of the water tank 300, so that the washing water in the first water storage cavity 301 can exchange heat with the washing water in the second water storage cavity 302, heat recovery of the washing water can be realized, the electric quantity of the heating washing water is saved, so that the power consumption of the tableware washing equipment is reduced, energy conservation and environmental protection are facilitated, by setting the water tank 300 to L-shaped, convenience is brought to installation with the inner container 100, the heat exchange area is large, and the heat exchange efficiency is improved.

In this embodiment, the ratio of the volumes of the first reservoir chamber 301 and the second reservoir chamber 302 is 0.9 to 1.1, for example 0.9, 1 or 1.1, so that the amounts of the washing water, the cold rinsing water and the hot rinsing water can be kept substantially the same, thereby facilitating the recycling of the washing water.

In this embodiment, the surface of the first sub-tank 310 is undulated, for example, in a wave shape or a zigzag shape, so that the contact area between the first sub-tank 310 and the washing water in the second water storage cavity 302 can be increased, and thus the heat exchange area between the washing water in the first water storage cavity 301 and the washing water in the second water storage cavity 302 can be increased, and the heat exchange efficiency can be improved.

Referring to fig. 5, 11 to 13, in another embodiment, the first sub-tank 310 may include a plurality of heat exchange pipes 314 arranged side by side, a flow dividing pipe 315 connected to one end of the plurality of heat exchange pipes 314, and a collecting pipe 316 connected to the other end of the plurality of heat exchange pipes 314, the washing water flows into the plurality of heat exchange pipes 314 through the flow dividing pipe 315 and flows out through the collecting pipe 316, and by providing the plurality of heat exchange pipes 314, the contact area of the washing water in the first sub-tank 310 and the second reservoir chamber 302 can be further increased, thereby increasing the heat exchange area of the washing water in the first reservoir chamber 301 and the second reservoir chamber 302 to improve the heat exchange efficiency.

Referring to fig. 5, 14 to 16, the surface of the first sub-tank 310 may also be disposed in a plane, so that the washing water in the first water storage cavity 301 and the second water storage cavity 302 can exchange heat, which is not limited herein.

Referring to fig. 17, another embodiment of the dish washing apparatus 10 of the present invention includes an inner container 100, a water collecting cup 200 and a water tank 300, wherein the inner container 100, the water collecting cup 200 and the water tank 300 are connected to each other through a water supply pipeline and a water drainage pipeline, and the washing water is guided in and out through a washing pump 510, a drainage pump 520, a flow dividing valve 530 and a combining element 540, and the arrangement structure thereof is as shown in the embodiment of the dish washing apparatus 10 shown in fig. 3, and is not described herein again.

The difference between this embodiment and the previous embodiment is that the dish washing device 10 further comprises a first valve 610 and a second valve 620, the first valve 610 is disposed on the second water supply line 420 for controlling the connection or disconnection of the second water supply line 420, and the second valve 620 is disposed on the third water supply line 430 for controlling the connection or disconnection of the third water supply line 430.

Referring to fig. 18 to 22 together, in the present embodiment, the water tank 300 includes a first sub-tank 350 and a second sub-tank 360, the first sub-tank 350 is disposed inside the second sub-tank 360, and then a first water storage cavity 301 is formed inside the first sub-tank 350, and a second water storage cavity 302 is formed between the first sub-tank 350 and the second sub-tank 360, so that the washing water in the first water storage cavity 301 exchanges heat with the washing water in the second water storage cavity 302 through the first sub-tank 350, and by disposing the first sub-tank 350 inside the second sub-tank 360, the outer surface of the first sub-tank 350 can both contact with the washing water in the second water storage cavity 302, thereby making the heat exchange area larger, and the heat exchange efficiency higher.

In this embodiment, the bottom of the water tank 300 is respectively provided with a first water outlet 351, a first water inlet 352, a second water outlet 361 and a second water inlet 362, the first water outlet 351 and the first water inlet 352 are respectively communicated with the first water storage cavity 301, the second water outlet 361 and the second water inlet 362 are respectively communicated with the second water storage cavity 302, the second water supply pipeline 420 is connected with the first water outlet 351, so that the previous hot drift water in the first water storage cavity 301 flows into the water collection cavity 210 through the second water supply pipeline 420 under the action of self gravity, and the third water supply pipeline 430 is connected with the second water outlet 361, so that the external fresh water in the second water storage cavity 302 flows into the water collection cavity 210 through the third water supply pipeline 430 under the action of self gravity.

Specifically, the dish washing apparatus 10 further includes a controller (not shown), the dish washing apparatus 10 is opened, the controller controls the first valve 610 to be opened, the second valve 620 to be closed, so that the previous hot rinsing water stored in the first water storage cavity 301 is guided into the water collecting cavity 210 through the first water outlet 351, the second water supply pipeline 420, the flow dividing valve 530 and the combining element 540 under the action of its own gravity to be used as the present washing water, the controller controls the first valve 610 to be closed, and the pre-washing and the main washing are performed through the washing pump 510 and the heating device, wherein the present washing water is heated by the heating device during the main washing;

after the main washing is finished, the controller controls the drainage pump 520 to pump the heated current washing water to the first water storage cavity 301 through the first drainage pipeline 440, the controller controls the second valve 620 to open so that the external fresh water in the second water storage cavity 302 is led into the water collecting cavity 210 through the second water outlet 361, the third water supply pipeline 430 and the combining element 540 under the action of self gravity to be used as the current cold rinsing water, the controller controls the second valve 620 to close and controls the external fresh water to be led into the second water storage cavity 302 through the second water inlet 362, the cold rinsing is carried out through the washing pump 510, and in the cold rinsing process, the current washing water in the first water storage cavity 301 and the external fresh water in the second water storage cavity 302 exchange heat;

after the cold rinsing is completed, the controller controls the first valve 610 to open so that the current cleaning water stored in the first water storage cavity 301 is discharged through the first water outlet 351, the second water supply pipeline 420, the flow dividing valve 530 and the second water discharge pipeline 450 under the action of self gravity, controls the first valve 610 to close, controls the water discharge pump 520 to pump the current cold rinsing water to the first water storage cavity 301 through the first water discharge pipeline 440, then controls the second valve 620 to open so that the external fresh water after heat exchange with the current cleaning water is introduced into the water collection cavity 210 through the second water outlet 361, the third water supply pipeline 430 and the combining element 540 to be used as the current hot rinsing water, controls the second valve 620 to close, controls the external fresh water to be introduced into the second water storage cavity 302 through the second water inlet 362, and performs the hot rinsing through the washing pump 510;

after the hot rinsing is completed, the controller controls the first valve 610 to open, so that the cold rinsing water stored in the first water storage cavity 301 is discharged through the first water outlet 351, the second water supply pipeline 420, the flow dividing valve 530 and the second water discharge pipeline 450 under the action of self gravity, the controller controls the first valve 610 to close, controls the water discharge pump 520 to pump the hot rinsing water to the first water storage cavity 301 through the first water discharge pipeline 440, and after the washing is finished, the hot rinsing water in the first water storage cavity 301 and the outside fresh water in the second water storage cavity 302 exchange heat with outside air until the room temperature.

Referring to fig. 18 to 22 again, in this embodiment, the water tank 300 is L-shaped, and at least partially covers the side wall and the top wall of the inner container 100, the first water storage cavity 301 and the second water storage cavity 302 are L-shaped corresponding to the shape of the water tank 300, so that the washing water in the first water storage cavity 301 can exchange heat with the washing water in the second water storage cavity 302, heat recovery of the washing water can be realized, electric quantity of the heated washing water is saved, power consumption of the tableware washing device is reduced, energy conservation and environmental protection are facilitated, by setting the water tank 300 to L-shaped, installation with the inner container 100 can be facilitated, heat exchange area is large, and heat exchange efficiency is facilitated.

In this embodiment, an angle θ between a portion of the water tank 300 covering the sidewall and a portion of the top wall of the inner container 100 is 92 ° to 95 °, for example, 92 °, 93 ° or 95 °, so that the washing water in the portions of the first and second

water storage chambers

301 and 302 corresponding to the top wall of the inner container 100 can flow toward the bottom of the water tank 300 by gravity.

In this embodiment, the surface of the first sub-tank 350 is undulated, for example, in a wave shape or a zigzag shape, so that the contact area between the first sub-tank 350 and the washing water in the second reservoir cavity 302 can be increased, and thus the heat exchange area between the washing water in the first reservoir cavity 301 and the washing water in the second reservoir cavity 302 can be increased, and the heat exchange efficiency can be improved.

Referring to fig. 23 and 24, in the present embodiment, a first air outlet 353 is formed at the top of the first sub-tank 350, the first air outlet 353 is communicated with the first reservoir chamber 301, and a second air outlet 363 is formed at the top of the second sub-tank 360, the second air outlet 363 is communicated with the second reservoir chamber 302, so as to prevent the washing water in the first reservoir chamber 301 and the second reservoir chamber 302 from generating a negative pressure when flowing to the bottom, and the washing water cannot be smoothly discharged.

In this embodiment, the first exhaust hole 353 and the second exhaust hole 363 are nested with each other, so that the number of openings of the second sub-tank 360 can be reduced, and the structure of the second sub-tank 360 is simpler and more regular.

In other embodiments, the first exhaust hole 353 and the second exhaust hole 363 may be spaced apart from each other, which is not limited herein.

Referring to fig. 19, 25 to 27, in another embodiment, the first sub-tank 350 may include a plurality of heat exchange pipes 354 arranged side by side, a flow dividing pipe 355 connected to one end of the plurality of heat exchange pipes 354, and a collecting pipe 356 connected to the other end of the plurality of heat exchange pipes 354, the washing water flows into the plurality of heat exchange pipes 354 through the flow dividing pipe 355 and flows out through the collecting pipe 356, and by providing the plurality of heat exchange pipes 354, a contact area of the washing water in the first sub-tank 350 and the second reservoir chamber 302 can be further increased, thereby increasing heat exchange areas of the washing water in the first and

second reservoir chambers

301 and 302 to improve heat exchange efficiency.

Referring to fig. 28 to 30, the surface of the first sub-tank 350 may also be disposed in a plane, so that the washing water in the first water storage cavity 301 and the second water storage cavity 302 can exchange heat, which is not limited herein.

Referring to fig. 31 to 35, the water tank 300 of another embodiment of the tableware washing apparatus 10 of the present invention includes a main tank 370 and a partition 380, the main tank 370 forms a total cavity, the partition 380 is disposed in the total cavity, and the total cavity is divided into a first water storage chamber 301 and a second water storage chamber 302 located at both sides of the partition 380, so that the washing water in the first water storage chamber 301 exchanges heat with the washing water in the second water storage chamber 302 through the partition 380, the partition 380 is disposed in a plane, the first water storage chamber 301 and the second water storage chamber 302 are formed through the main tank 370 and the partition 380, and the structure of the water tank 300 is simpler and the preparation is facilitated.

In this embodiment, the bottom of the water tank 300 is respectively provided with a first water outlet 381, a first water inlet 382, a second water outlet 371 and a second water inlet 372, the first water outlet 381 and the first water inlet 382 are respectively communicated with the first water storage cavity 301, and the second water outlet 371 and the second water inlet 372 are respectively communicated with the second water storage cavity 302.

Referring to fig. 36 and 37 together, in the present embodiment, the top of the main tank 370 is formed with a first exhaust hole 373 and a second exhaust hole 374, the first exhaust hole 373 and the second exhaust hole 374 are arranged in a staggered manner, the first exhaust hole 373 is communicated with the first reservoir chamber 301, and the second exhaust hole 374 is communicated with the second reservoir chamber 302, so as to prevent the washing water in the first reservoir chamber 301 and the second reservoir chamber 302 from generating a negative pressure when flowing to the bottom, and the washing water cannot be smoothly discharged.

In other embodiments, the partition 380 may be disposed in an undulating shape, for example, the partition 380 may be disposed in a zigzag shape (as shown in fig. 38 and 39), or the partition 380 may be disposed in a wave shape (as shown in fig. 40 and 41), which can increase the area of the partition 380, thereby increasing the heat exchange area of the washing water in the first and

second reservoir chambers

301 and 302 to improve the heat exchange efficiency.

Referring to FIG. 42, another embodiment of the dish washing apparatus 10 of the present invention comprises a tub 100, a cup 200, and a tank (not shown), wherein the structure of the tub 100, the cup 200, and the tank is as described above with reference to the embodiment of the dish washing apparatus 10, and will not be described herein again.

In this embodiment, the water collecting cup 200 and/or the first water supply line 410 are provided with a washing pump 510 and a heating device 700, the washing pump 510 is used for pumping the washing water in the water collecting cup 200 to the inner container 100 through the first water supply line 410, and the heating device 700 is used for selectively heating the washing water.

In this embodiment, the heating device 700 includes a semiconductor refrigerator 710 for heating the washing water once, and compared with the way of heating the washing water by an electric heater, the heating is realized by the semiconductor refrigerator 710, which can save a large amount of electric energy, thereby reducing the power consumption of the dish washing apparatus 10, and being beneficial to energy saving and environmental protection.

Referring to fig. 43, another embodiment of the dish washing apparatus 10 of the present invention comprises a liner 100, a water collecting cup 200 and a water tank (not shown), wherein the structures of the liner 100, the water collecting cup 200 and the water tank are as described above with reference to the embodiment of the dish washing apparatus 10, and are not described herein again.

In this embodiment, the heating device 700 includes a semiconductor refrigerator 710 and an electric heater 720, the semiconductor refrigerator 710 is located upstream of the electric heater 720 and is used for heating the washing water for the first time, and the electric heater 720 is used for heating the washing water heated by the semiconductor refrigerator 710 for the second time, compared with a mode of completely heating the washing water by the electric heater, the method of heating the washing water by the semiconductor refrigerator 710 can save a large amount of electric energy, thereby reducing the power consumption of the dish washing apparatus 10, and being beneficial to energy saving and environmental protection.

In the present embodiment, the heating power of the semiconductor refrigerator 710 is 40% to 60%, for example, 40%, 50% or 60% of the total heating power of the semiconductor refrigerator 710 and the electric heater 720, so that the semiconductor refrigerator 710 can play a role of saving electric energy while securing the heat exchange efficiency.

In this embodiment, the semiconductor refrigerator 710 includes a cooling end 711 and a heating end 712, the heating end 712 is used for heating the washing water, and the dish washing apparatus 10 further includes a fan 730 disposed opposite to the cooling end 711 for increasing the heat exchange speed of the cooling end 711 with the external air or liquid, so as to improve the heat exchange efficiency of the semiconductor refrigerator 710.

Referring to fig. 44, in another embodiment of the dish washing apparatus 10 of the present invention, the semiconductor refrigerator 710 includes a cooling end 711 and a heating end 712, the heating end 712 is used for heating the washing water, the dish washing apparatus 10 further includes a heat exchange pipeline 740 connected to the cooling end 711, an auxiliary heat exchanger 750 and a heat exchange pump 760 respectively disposed on the heat exchange pipeline 740, the heat exchange pipeline 740 forms a circulation loop, the auxiliary heat exchanger 750 is used for exchanging heat with the outside air or liquid to heat the heat exchange liquid in the heat exchange pipeline 740, and the heat exchange pump 760 pumps the heat exchange liquid to circulate along the circulation loop, so as to exchange heat with the cooling end 711.

In this embodiment, the auxiliary heat exchanger 750 may be a water-cooled heat exchanger or an air-cooled heat exchanger, and is not limited herein.

In this embodiment, the dish washing apparatus 10 may further include a fan 730 disposed opposite to the auxiliary heat exchanger 750 for increasing the heat exchange speed of the auxiliary heat exchanger 750 with the external air or liquid, so as to improve the heat exchange efficiency of the auxiliary heat exchanger 750.

Referring to fig. 45, the utility model discloses semiconductor refrigerator 710 includes refrigeration end 711 and heating end 712 in another embodiment of dish washing equipment 10, heating end 712 is used for heating the washing water, dish washing equipment 10 further includes heat transfer pipeline 770 of being connected with refrigeration end 711, set up supplementary heat exchanger 750 on heat transfer pipeline 770, heat transfer pipeline 770 cooperates with first drain pipeline 440 that communicates to water collecting cup 200 and forms a circulation circuit, and then regard the washing water as heat transfer liquid, drain pump 520 pump heat transfer liquid on first drain pipeline 440 flows along circulation circuit circulation, and then exchange heat with refrigeration end 711, through carrying out the heat transfer as heat transfer liquid system cold junction 711 with the washing water, can save the independent circulation heat transfer device of refrigeration end 711, make dish washing equipment 10's overall structure simpler, and the heat transfer is effectual.

In this embodiment, both ends of the heat-exchanging pipeline 770 are connected to the first drain pipeline 440 at a first position and a second position respectively, wherein the first position is located upstream of the second position, the drain pump 520 is disposed between the first position and the second position, the dishwasher 10 further includes a first solenoid valve 810 disposed on the first drain pipeline 440 and located upstream of the first position, a second solenoid valve 820 disposed on the first drain pipeline 440 and located downstream of the second position, and a third solenoid valve 830 disposed on the heat-exchanging pipeline 770.

Specifically, in the water filling stage before the washing process, the first electromagnetic valve 810 and the third electromagnetic valve 830 are opened, the second electromagnetic valve 820 is closed to guide the washing water filled into the water collecting cup 200 into the circulation loop, in the washing process, the first electromagnetic valve 810 and the second electromagnetic valve 820 are closed, the third electromagnetic valve 830 is opened, the heat-exchange liquid pumped by the drain pump 520 flows along the circulation loop in a circulation manner, and after the washing process is finished, the first electromagnetic valve 810 and the second electromagnetic valve 820 are opened to discharge the washing water through the first drain pipe 440, wherein the washing process may be the main washing process in the embodiment of the dishwasher 10, and will not be described herein again.

In this embodiment, the dish washing apparatus 10 further may include a water storage tank 840 for storing the wash water received this time from the water collection cup 200 as a heat exchange liquid on the circulation loop.

In this embodiment, the dish washing apparatus 10 further includes a fan 730 disposed opposite to the auxiliary heat exchanger 750 for increasing the heat exchange speed of the auxiliary heat exchanger 750 with the external air or liquid, so as to improve the heat exchange efficiency of the auxiliary heat exchanger 750.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A dishwashing appliance, comprising:

2. The dishwashing appliance of claim 1 wherein an angle between a portion of the tank covering the sidewall of the tub and a portion covering the top wall is 92 ° to 95 °.

3. The dishwashing apparatus of claim 1 wherein the ratio of the volumes of the first and second reservoir chambers is 0.9 to 1.1.

4. The dishwasher of claim 1 wherein the tank comprises a first sub-tank and a second sub-tank, the first sub-tank being disposed inside the second sub-tank to form the first reservoir chamber inside the first sub-tank and the second reservoir chamber between the first sub-tank and the second sub-tank such that the wash water in the first reservoir chamber is heat exchanged with the wash water in the second reservoir chamber through the first sub-tank.

5. The tableware washing apparatus of claim 4, wherein the surface of the first sub-tank is undulated, or the first sub-tank comprises a plurality of heat exchanging pipes arranged side by side, a dividing pipe connected to one end of the plurality of heat exchanging pipes, and a collecting pipe connected to the other end of the plurality of heat exchanging pipes, and the washing water flows into the plurality of heat exchanging pipes through the dividing pipe and flows out through the collecting pipe.

6. The dishwasher of claim 1 wherein said tank comprises a main body and a partition, said main body defining a total chamber, said partition being disposed within said total chamber and dividing said total chamber into said first and second reservoir chambers on opposite sides of said partition such that said wash water in said first reservoir chamber exchanges heat with said wash water in said second reservoir chamber through said partition, said partition being disposed in a planar or undulating configuration.

7. The dishwashing apparatus of claim 1 wherein the top of the tank is provided with a first vent and a second vent, the first vent communicating with the first reservoir chamber and the second vent communicating with the second reservoir chamber, the first and second vents being staggered or nested with respect to one another.

8. The dishwasher of claim 1 wherein the top of the water tank is provided with a first water outlet and a second water outlet, the first water outlet being in communication with the first water storage chamber and the second water outlet being in communication with the second water storage chamber, the water tank further comprising a first and a second transfer lines connected to the first and second water outlets, respectively, the first and second transfer lines being adapted to direct the wash water overflowing from the first and second water outlets to the bottom of the water tank, respectively.

9. The dishwasher of claim 1 wherein the first reservoir chamber is configured to store the hot rinse water of the previous wash cycle as one of the wash water and the cold rinse water of the current wash cycle.

10. The dishwasher of claim 9 wherein the second reservoir chamber is configured to store fresh external water, and the first reservoir chamber is further configured to receive the fresh external water in the second reservoir chamber for heat exchange with the fresh external water in the first reservoir chamber as hot rinse water for the washing cycle.