CN111700562B

CN111700562B - Washing system of dishwasher

Info

Publication number: CN111700562B
Application number: CN202010559360.0A
Authority: CN
Inventors: 刘闪闪; 蔡延涛; 程繁华
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-10-26
Anticipated expiration: 2040-06-18
Also published as: CN111700562A

Abstract

The invention discloses a washing system and a dishwasher, wherein the washing system comprises: a washing unit having a water inlet; the water storage unit is provided with a first water through opening which is communicated with the water inlet; the water inlet unit is respectively communicated with the water inlet and the first water through port and is used for supplying water to the washing unit and/or the water storage unit; the first cut-off valve is arranged between the water inlet unit and the water inlet; and the second cut-off valve is arranged between the water inlet unit and the water storage unit, or the second cut-off valve is arranged between the water inlet and the water storage unit, wherein the first cut-off valve and the second cut-off valve are matched to realize the switching of water supply from the water inlet unit to the washing unit, water supply from the water inlet unit to the water storage unit and water supply from the water storage unit to the washing unit. According to the washing system of the dishwasher, the structure of the washing unit is simplified, the manufacturing and the assembly are convenient, the switching of the water path can be realized by controlling the opening and the closing of the block valve, and the control is simple and easy to operate.

Description

Washing system of dishwasher

Technical Field

The invention relates to the technical field of washing appliances, in particular to a washing system of a dish washing machine.

Background

The household dish washer is an intelligent household appliance product for replacing manual washing of tableware, and in the working process of the dish washer for washing the tableware, washing water is conveyed to each rotary spraying arm through the washing pump, so that the tableware is continuously covered and sprayed for washing, and the purpose of cleaning the tableware is achieved. In order to further shorten the washing time of the dishwasher, the existing dishwasher washing system adopts a mode of arranging an electric heater to increase the temperature of the washing water. Under the action of the circulating spraying of the washing water, the high-temperature washing water washes away pollutants on the tableware and brings heat to the tableware, so that the dish-washing machine can obtain higher cleaning rate and drying rate in shorter washing time.

Because at whole duty cycle's in-process, the dish washer complete machine is in non-insulated state, through set up the water tank on the inner bag of dish washer, on the one hand preheats water storage in the water tank, and on the other hand can realize the heat preservation effect to practice thrift the energy consumption. However, at present, the inner container is usually communicated with the water tank by arranging an additional opening, and the waterway is selected by a combination structure of the reversing valve and the check valve, or a three-way valve structure is adopted to realize the control of the waterway, so that the whole system is complex in structure and control mode, and a plurality of interfaces are complex in structure and assembly and easy to leak water, so that an improved space exists.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a washing system of a dishwasher, which is simple in structure and easy to control.

A washing system of a dishwasher according to an embodiment of the present invention includes: a washing unit having a water inlet; the water storage unit is provided with a first water through opening, and the first water through opening is communicated with the water inlet; the water inlet unit is respectively communicated with the water inlet and the first water through port and is used for supplying water to the washing unit and/or the water storage unit; the first cut-off valve is arranged between the water inlet unit and the water inlet; the second cut-off valve is arranged between the water inlet unit and the water storage unit, or the second cut-off valve is arranged between the water inlet and the water storage unit, wherein the first cut-off valve and the second cut-off valve are matched to realize the switching of the water inlet unit to the water supply of the washing unit, the water inlet unit to the water storage unit and the water storage unit to the water supply of the washing unit.

According to the washing system of the dishwasher, the structure of the washing unit is simplified by arranging the water inlet on the washing unit, the washing system is convenient to manufacture and assemble, and meanwhile, compared with the condition of a plurality of water inlets, the water leakage probability can be greatly reduced; by arranging the first block valve and the second block valve, the water inlet unit supplies water to the washing unit, or the water inlet unit supplies water to the water storage unit, or the water storage unit supplies water to the washing unit under the matching of the two block valves; the switching of a plurality of water paths can be realized by controlling the opening and closing of the two block valves, the control is simple and convenient, the operation is easy, and the risk of control failure can be reduced compared with a multi-way valve or a multi-valve combination mode; in addition, because the water that the water storage unit stored is higher than the temperature that the unit of intaking supplied water to the washing unit, can reduce the energy consumption when water storage unit supplies water to the washing unit from this, realize energy-conserving effect, improved user's use and experienced.

According to the washing system of the dishwasher of the embodiment of the invention, the water storage unit is provided with the water inlet and outlet channel communicated with the first water through opening, the water inlet unit is communicated with the water inlet through the main water channel, the water inlet and outlet channel is communicated with the main water channel, the first cut-off valve is arranged on the main water channel and positioned between the water inlet and the joint of the main water channel and the water inlet and outlet channel, and the second cut-off valve is arranged on the water inlet and outlet channel.

Specifically, the water inlet unit is adapted to supply water to the washing unit in a state where the first cut-off valve is opened and the second cut-off valve is closed; the water inlet unit is suitable for supplying water to the water storage unit in a state that the first cut-off valve is closed and the second cut-off valve is opened; the water storage unit is adapted to supply water to the washing unit in a state where the first cut-off valve is opened and the second cut-off valve is opened.

Further, still include: the resin chamber, the resin chamber is located the main water route just the resin chamber has raw water import and soft water export, wherein, the raw water import with intake unit intercommunication just the soft water export with the water inlet first limbers intercommunication.

Further, still include: and the third cut-off valve is arranged on a main water path and is positioned between the main water path and the joint of the water inlet path and the water outlet path and between the resin cavities, wherein the first cut-off valve, the second cut-off valve and the third cut-off valve are matched to realize the switching among the water supply of the water inlet unit to the washing unit, the water supply of the water inlet unit to the water storage unit and the water supply of the water storage unit to the washing unit.

Specifically, the water inlet unit is adapted to supply water to the washing unit in a state where the third cut-off valve is opened, the first cut-off valve is opened, and the second cut-off valve is closed; the water inlet unit is suitable for supplying water to the water storage unit in the states that the third block valve is opened, the first block valve is closed and the second block valve is opened; the water storage unit is adapted to supply water to the washing unit in a state where the third cut-off valve is closed, the first cut-off valve is opened, and the second cut-off valve is opened.

According to the washing system of the dishwasher of the embodiment of the present invention, the water storage unit further has a second water passage communicated with the water inlet and a third water passage communicated with the water inlet, a water outlet channel is provided between the first water passage and the water inlet, and a main water channel is provided between the second water passage and the water inlet, wherein the first block valve is provided in the main water channel, and the second block valve is provided in the water outlet channel.

In particular, the water inlet unit is suitable for supplying water to the washing unit in a state that the first cut-off valve is opened and the second cut-off valve is closed; the water inlet unit is suitable for supplying water to the water storage unit under the state that the first cut-off valve is closed and the second cut-off valve is closed; the water storage unit is adapted to supply water to the washing unit in a state where the first cut-off valve is closed and the second cut-off valve is opened.

Further, still include: the resin chamber, the resin chamber is located the water storage unit with between the washing unit, just the resin chamber has first raw water import, second raw water import and soft water export, wherein, first raw water import with first water service mouth intercommunication, second raw water import with second water service mouth intercommunication, soft water export with the water inlet intercommunication.

According to the washing system of the dishwasher in the embodiment of the present invention, the water storage unit further has a second water passage and a third water passage respectively communicated with the water inlet unit, a main water passage is provided between the second water passage and the water inlet unit, a water inlet passage is provided between the third water passage and the water inlet unit, and a water outlet passage is provided between the first water passage and the water inlet, wherein the first block valve is provided in the main water passage, the second block valve is provided in the water inlet passage, and the water outlet passage is provided with a fourth block valve.

Specifically, the water inlet unit is adapted to supply water to the washing unit in a state where the first cut-off valve is opened, the second cut-off valve is closed, and the fourth cut-off valve is opened; the water inlet unit is suitable for supplying water to the water storage unit in the states that the first block valve is closed, the second block valve is opened and the fourth block valve is closed; the water storage unit is adapted to supply water to the washing unit in a state where the first cut-off valve is closed, the second cut-off valve is closed, and the fourth cut-off valve is opened.

Further, still include: the resin chamber, the resin chamber has raw water import, first soft water export and second soft water export, wherein, the raw water import with the unit intercommunication of intaking, first soft water export with the second mouth of a river intercommunication, the second soft water export with the third mouth of a river intercommunication, first shut-off valve is located first soft water export with between the second mouth of a river, the second shut-off valve is located the second soft water export with between the third mouth of a river.

The washing device further comprises a fifth cut-off valve, wherein the fifth cut-off valve is arranged between the water inlet unit and the raw water inlet, and the first cut-off valve, the second cut-off valve, the fourth cut-off valve and the fifth cut-off valve are matched to realize the switching among the water supply of the water inlet unit to the washing unit, the water supply of the water inlet unit to the water storage unit and the water supply of the water storage unit to the washing unit.

Specifically, the water inlet unit is adapted to supply water to the washing unit in a state where the fifth cut-off valve is open, the first cut-off valve is open, the second cut-off valve is closed, and the fourth cut-off valve is open; the water inlet unit is suitable for supplying water to the water storage unit in the states that the fifth block valve is opened, the first block valve is closed, the second block valve is opened and the fourth block valve is closed; the water storage unit is adapted to supply water to the washing unit in a state where the fifth cut-off valve is closed, the first cut-off valve is closed, the second cut-off valve is closed, and the fourth cut-off valve is opened.

The washing system of the dishwasher according to the embodiment of the invention further comprises a regeneration cavity for controlling the regeneration of the resin in the resin cavity, wherein the regeneration cavity is communicated with the water storage unit, a regeneration cut-off valve is arranged between the regeneration cavity and the resin cavity, and the water in the water storage unit flows into the resin cavity through the regeneration cavity in the state that the regeneration cut-off valve is opened.

According to the washing system of the dishwasher, the washing unit comprises the inner container and the water cup, the water cup is arranged on the bottom wall of the inner container, and the water inlet is arranged on the inner container or the water cup.

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a washing system of a dishwasher according to an embodiment of the present invention;

FIG. 2 is a schematic view of a washing system of a dishwasher according to another embodiment of the present invention;

FIG. 3 is a schematic view of a washing system of a dishwasher according to yet another embodiment of the present invention;

FIG. 4 is a schematic view of a washing system structure of a dishwasher according to still another embodiment of the present invention;

reference numerals:

the washing system (100) is provided with a washing unit,

a washing unit 10, a water inlet 101, an inner container 11, a water cup 12, a main water path 13,

a water storage unit 20, a first water passage port 201, a second water passage port 202, a third water passage port 203, an inlet and outlet water path 21, an outlet water path 22, an inlet water path 23,

the water inlet unit 30, the water inlet valve 31,

a first block valve 41, a second block valve 42, a third block valve 43, a fourth block valve 44, a fifth block valve 45,

a resin chamber 50, a raw water inlet 501, a first raw water inlet 5011, a second raw water inlet 5012, a soft water outlet 502, a first soft water outlet 5021, a second soft water outlet 5022, a regeneration chamber 51, a regeneration block valve 52,

a breather 60, a washing pump 70 and a drainage pump 80.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A washing system 100 of a dishwasher according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, a washing system 100 of a dishwasher according to an embodiment of the present invention includes: the washing device comprises a washing unit 10, a water storage unit 20 and a water inlet unit 30, wherein the washing unit 10 is provided with a water inlet 101, the water storage unit 20 is provided with a first water through opening 201, the first water through opening 201 is communicated with the water inlet 101, the water inlet unit 30 is respectively communicated with the water inlet 101 and the first water through opening 201, and the water inlet unit 30 can be used for supplying water to the washing unit 10 and/or the water storage unit 20.

It will be appreciated that the water inlet unit 30 is in communication with a water source such that when the water inlet unit 30 supplies water to the washing unit 10, the water from the water source directly enters the washing unit 10 to wash or rinse the dishes; when the water inlet unit 30 supplies water to the water storage unit 20, so that the water at the water source can be stored in the water storage unit 20, the water stored in the water storage unit 20 is stored for a long time, or is heated when the inside of the dishwasher is heated, so that the water temperature in the water storage unit 20 is higher than that of the water source, in the washing system, the water storage unit 20 can also supply water to the washing unit 10, because the water temperature in the water storage unit 20 is relatively higher, a better cleaning effect can be realized on tableware, or the energy consumption is reduced, and the preheating and energy-saving effects are realized.

The washing system 100 further includes a first cut-off valve 41, the first cut-off valve 41 is disposed between the water inlet unit 30 and the water inlet 101, it should be noted that the water inlet unit 30 can be directly communicated with the water inlet 101, where the first cut-off valve 41 can be disposed on a waterway directly connecting the water inlet unit 30 and the water inlet 101; the water inlet unit 30 may also be connected to the water inlet 101 by a plurality of sections of communicable water paths, that is, there are other structural members between the water inlet unit 30 and the washing unit 10, such as a softening unit, a breather 60, etc., and at this time, the first shut-off valve 41 may be located on any one of the plurality of sections of water paths between the water inlet unit 30 and the water inlet 101.

The washing system 100 further includes a second cut-off valve 42, wherein the second cut-off valve 42 may be disposed between the water inlet unit 30 and the water storage unit 20, and the second cut-off valve 42 may also be disposed between the water inlet 101 and the water storage unit 20, that is, the second cut-off valve 42 may be disposed on a water path for water to enter the water storage unit 20, or may be disposed on a water path for water to exit from the water storage unit 20.

It should be noted that the water inlet unit 30 may be directly connected to the water storage unit 20, and the second block valve 42 may be disposed on a water path where the water inlet unit 30 is directly connected to the water storage unit 20; the water inlet unit 30 may also be connected to the water storage unit 20 through multiple sections of communicable water paths, that is, other structural members, such as a softening unit, a breather 60, etc., may be provided between the water inlet unit 30 and the water storage unit 20, and in this case, the second block valve 42 may be located on any one of the multiple sections of water paths between the water inlet unit 30 and the water storage unit 20; the water inlet 101 and the water storage unit 20 may be directly connected, the second block valve 42 may be disposed on a waterway where the water inlet 101 and the water storage unit 20 are directly connected, the water inlet 101 and the water storage unit 20 may also be connected through a plurality of sections of communicable waterways, and at this time, the second block valve 42 may be located on any one of the plurality of sections of waterways between the water inlet 101 and the water storage unit 20.

The first block valve 41 and the second block valve 42 are matched, the first block valve 41 can be opened or closed, the second block valve 42 can also be opened or closed, and the switching of the water supply from the water inlet unit 30 to the washing unit 10, the water supply from the water inlet unit 30 to the water storage unit 20 and the water supply from the water storage unit 20 to the washing unit 10 is realized by controlling the two block valves to be opened or closed simultaneously or controlling one block valve to be opened and one block valve to be closed.

According to the washing system 100 of the dishwasher of the embodiment of the invention, the structure of the washing unit 10 is simplified by arranging the water inlet 101 on the washing unit 10, the manufacture and the assembly are convenient, and the problems of complex structure and assembly and water leakage caused by multiple interfaces are reduced; by arranging the first cut-off valve 41 and the second cut-off valve 42, the water supply from the water inlet unit 30 to the washing unit 10, the water supply from the water inlet unit 30 to the water storage unit 20, or the water supply from the water storage unit 20 to the washing unit 10 are realized under the cooperation of the two cut-off valves; the switching of a plurality of water paths can be realized by controlling the opening and closing of the two block valves, the control is simple and reliable, the operation is easy, and the risk of control failure can be reduced compared with a multi-way valve or a multi-valve combination mode; in addition, because the water stored in the water storage unit 20 is higher than the water temperature of the water inlet unit 30 supplying water to the washing unit, the energy consumption can be reduced when the water storage unit 20 supplies water to the washing unit 10, the energy-saving effect is realized, and the use experience of a user is improved.

According to an embodiment of the present invention, the washing unit 10 includes a liner 11 and a water cup 12, the water cup 12 is disposed on the bottom wall of the liner 11, the water inlet 101 is disposed on one of the water cup 12 and the liner 11, that is, only one water inlet 101 is disposed, the water inlet 101 may be disposed on the water cup 12 or on the liner 11 and is located at a position close to the bottom of the liner 11, thereby simplifying the structure of the washing unit 10, facilitating the manufacture and assembly, and greatly reducing the probability of water leakage compared to the case of multiple water inlets.

As shown in fig. 1 and 2, according to an embodiment of the present invention, the water storage unit 20 has an inlet/outlet waterway 21 communicating with the first water passage port 201, the water inlet unit 30 communicates with the water inlet port 101 through the main water waterway 13, and the inlet/outlet waterway 21 communicates with the main water waterway 13, for example, the main water waterway 13 has a water passing port, and the inlet/outlet waterway 21 communicates with the water passing port, or the main water waterway 13 includes two sections, and the inlet/outlet waterway 21 communicates with the two sections of the main water waterway through a three-way structure, wherein the first cut-off valve 41 is provided in the main water waterway 13, and the first cut-off valve 41 is provided between the water inlet port 101 and the junction of the main water waterway 13 and the inlet/outlet waterway 21, and the second cut-off valve 42 is provided in the inlet/outlet waterway 21. When the second block valve 42 is opened, the water in and out of the water path 21 may flow in a forward direction, i.e., supplying water into the water storage unit 20, or in a reverse direction, i.e., supplying the preheated water in the water storage unit 20 into the washing unit 10.

Specifically, in a state where the first shut-off valve 41 is opened and the second shut-off valve 42 is closed, the main water path 13 is turned on, the inlet/outlet water path 21 is turned off, and the water in the water inlet unit 30 is supplied to the washing unit 10 through a flow meter, a breather 60, and the like, that is, normal water inlet.

When the first block valve 41 is closed and the second block valve 42 is opened, the water inlet/outlet path 21 is connected, and the water in the water inlet unit 30 is supplied to the water storage unit 20 through the flow meter, the breather 60 and the like, so that the stored water in the water storage unit 20 is preheated and energy-saving, and the stored water and the conventional water supply share part of the water path.

In a state where the first cut-off valve 41 is opened and the second cut-off valve 42 is opened, the water inlet unit 30 is controlled to stop supplying water, for example, the water inlet valve 31 at the water inlet unit 30 is cut off, and the preheated water in the water storage unit 20 can be left to the washing unit 10 through the inlet/outlet water path 21 and the main water path 13. Wherein, water storage unit 20 is located the top of water inlet 101, therefore the water in the water storage unit 20 can flow out under the effect of dead weight, and need not additionally to set up structures such as pump, reduce cost, reduce the complexity of control simultaneously.

As shown in fig. 1 and 2, the washing system 100 further includes: the resin cavity 50 is arranged on the main water channel 13, the resin cavity 50 is provided with a raw water inlet 501 and a soft water outlet 502, the raw water inlet 501 is communicated with the water inlet unit 30, and the soft water outlet 502 is communicated with the water inlet 101 and the first water through port 201, so that water entering the water storage unit 20 and the washing unit 10 can be softened, soft water washing, soft water storage and the like are realized, and the washing effect on tableware is improved.

The operation of the washing system 100 according to one embodiment of the present invention is described below with reference to fig. 1: in the initial washing state, the first cut-off valve 41 is opened, the second cut-off valve 42 is opened, the preheated water in the water storage unit 20 is completely reserved in the washing unit 10, the water stored in the water storage unit 20 is filled before the last washing is finished, and the water stored in the water storage unit 20 is heated due to heat exchange with the environment because the storage time is sufficient, so that the energy consumption can be saved when the water is initially put in; during washing or a specific washing stage, the first cut-off valve 41 is closed and the second cut-off valve 42 is opened, the water inlet unit 30 can supply water to the water storage unit 20, and the temperature of the water stored in the water storage unit 20 is increased along with the temperature rise of the inner container because the dishwasher is in a non-heat insulation state; in the rinsing or subsequent washing stage, the first cut-off valve 41 is opened, the second cut-off valve 42 is opened, the preheated water in the water storage unit 20 is reserved in the washing unit 10, the temperature of the water stored in the water storage unit 20 is higher than that of the conventional water inlet, and partial energy consumption is saved; before the washing is finished, the first cut-off valve 41 is closed and the second cut-off valve 42 is opened, the water inlet unit 30 supplies water for the water storage unit 20, and the water storage unit 20 is in a low-temperature state compared with the inner container 11, so that the condensation and drying effects can be further enhanced, more importantly, the supplied water is used for the next washing, the water temperature can be further increased after the water is placed for a sufficient time, and the energy consumption is effectively saved.

The washing system 100 further comprises a regeneration cavity 51 for controlling resin regeneration in the resin cavity 50, the regeneration cavity 51 is communicated with the water storage unit 20, a regeneration cut-off valve 52 is arranged between the regeneration cavity 51 and the resin cavity 50, when the resin in the resin cavity 50 needs to be regenerated, the regeneration cut-off valve 52 is controlled to be opened, and water in the water storage unit 20 enters the resin cavity 50 through the regeneration cavity 51 to realize the regeneration of the resin. The regeneration chamber 51 is located below the water storage unit 20 so that water in the water storage unit 20 flows out under the action of self-weight, and the regeneration block valve 52 has a simple structure and is convenient to operate.

As shown in fig. 2, according to an embodiment of the present invention, the inlet/outlet waterway 21 is provided with the second block valve 42, the main water waterway 13 is provided with the first block valve 41 and the third block valve 43, the first block valve 41 is located between the connection of the main water waterway 13 and the inlet/outlet waterway 21 and the water inlet 101, the third block valve 43 is located between the connection of the main water waterway 13 and the inlet/outlet waterway 21 and the resin chamber 50, that is, the third block valve 43 is located downstream of the resin chamber 50 in the direction of the water supply waterway, and the first block valve 41, the second block valve 42 and the third block valve 43 are engaged with each other, so that switching between supplying water from the water inlet unit 30 to the washing unit 10, supplying water from the water inlet unit 30 to the water storage unit 20, and supplying water from the water storage unit 20 to the washing unit 10 can be realized.

Specifically, in the state that the third block valve 43 is opened, the first block valve 41 is opened, and the second block valve 42 is closed, the main water path 13 is conducted, the inlet and outlet water path 21 is disconnected, and the water inlet unit 30 is suitable for supplying water to the washing unit 10, so that the conventional water inlet is realized; when the third block valve 43 is opened, the first block valve 41 is closed, and the second block valve 42 is opened, the water inlet/outlet path 21 is turned on, the water inlet unit 30 stops supplying water to the washing unit 10, and the water in the water inlet unit 30 can be supplied to the water storage unit 20 through the flow meter, the breather 60, and the like, so that water storage and water intake are realized; in a state where the third shut-off valve 43 is closed, the first shut-off valve 41 is opened, and the second shut-off valve 42 is opened, the water of the water inlet unit 30 cannot be supplied to the water storage unit 20 or the washing unit 10, and the preheated water in the water storage unit 20 can be left to the washing unit 10 through the inlet and outlet water path 21 and the main water path 13. Wherein, water storage unit 20 is located the top of water inlet 101, therefore the water in the water storage unit 20 can flow out under the effect of dead weight, and need not additionally to set up structures such as pump, reduce cost, reduce the complexity of control simultaneously.

The operation of the washing system 100 according to another embodiment of the present invention is described below with reference to fig. 2: in the initial washing state, the third cut-off valve 43 is closed, the first cut-off valve 41 is opened, the second cut-off valve 42 is opened, the preheated water in the water storage unit 20 is completely reserved in the washing unit 10, the water stored in the water storage unit 20 is filled before the last washing is finished, the temperature of the stored water in the water storage unit 20 is increased due to the fact that the storage time is sufficient, the stored water is subjected to heat exchange with the environment, and the energy consumption can be saved when the water is initially put in; during washing or a specific washing stage, the third cut-off valve 43 is opened, the first cut-off valve 41 is closed and the second cut-off valve 42 is opened, the water inlet unit 30 can supply water to the water storage unit 20, and the water stored in the water storage unit 20 is increased along with the temperature rise of the inner container due to the non-heat insulation state of the dishwasher; in the rinsing or subsequent washing stage, the third cut-off valve 43 is closed, the first cut-off valve 41 is opened, the second cut-off valve 42 is opened, the preheated water in the water storage unit 20 is reserved in the washing unit 10, the temperature of the water stored in the water storage unit 20 is higher than that of the conventional inlet water, and partial energy consumption is saved; before the washing is finished, the third cut-off valve 43 is opened, the first cut-off valve 41 is closed, the second cut-off valve 42 is opened, the water inlet unit 30 supplies water to the water storage unit 20, the condensation and drying effects can be further enhanced due to the fact that the water storage unit 20 is in a low-temperature state compared with the inner container 11, more importantly, the supplied water is used for the next washing, the water temperature can be further increased after the water storage unit is placed for a sufficient time, and energy consumption is effectively saved.

The washing system 100 further comprises a regeneration chamber 51 for controlling the regeneration of the resin in the resin chamber 50, the regeneration chamber 51 is communicated with the water storage unit 20, and a regeneration block valve 52 is arranged between the regeneration chamber 51 and the resin chamber 50. When the resin in the resin cavity 50 needs to be regenerated, the regeneration stop valve 52 is controlled to be opened, and the water in the water storage unit 20 enters the resin cavity 50 through the regeneration cavity 51, so that the regeneration of the resin is realized. The regeneration chamber 51 is located below the water storage unit 20 so that water in the water storage unit 20 flows out under the action of self-weight, and the regeneration block valve 52 has a simple structure and is convenient to operate.

As shown in fig. 3, according to an embodiment of the present invention, the water storage unit 20 has a first water passage port 201, a second water passage port 202 and a third water passage port 203, the second water passage port 202 is communicated with the water inlet 101, the third water passage port 203 is communicated with the water inlet unit 30, an outlet water path 22 is provided between the first water passage port 201 and the water inlet 101, and a main water path 13 is provided between the second water passage port 202 and the water inlet 101, wherein the first cut-off valve 41 is provided on the main water path 13, and the second cut-off valve 42 is provided on the outlet water path 22, so that water in the water inlet unit 30 first enters the water storage unit 20, and then the water is supplied to the washing unit 10 through the second water passage port 202 or stored in the water storage unit 20 for storage.

Specifically, in a state where the first blocking valve 41 is opened and the second blocking valve 42 is closed, the main water path 13 is turned on, the outlet water path 22 is cut off, and the water in the water inlet unit 30 can be supplied to the washing unit 10 through the water inlet valve 31, the flow meter, the breather 60, and the like, that is, normal water inlet.

When the first shut-off valve 41 is closed and the second shut-off valve 42 is closed, the main water path 13 and the outlet water path 22 are both shut off, water in the water inlet unit 30 can be supplied to the water storage unit 20 through a flow meter, a breather 60, and the like, and water entering the water storage unit 20 does not flow out, thereby achieving water storage and water intake.

In a state where the first block valve 41 is closed and the second block valve 42 is opened, the water inlet unit 30 is controlled to stop supplying water, for example, the water inlet valve 31 of the water inlet unit 30 is blocked, and the preheated water in the water storage unit 20 can be supplied to the washing unit 10 through the water outlet path 22. Wherein, water storage unit 20 is located the top of water inlet 101, therefore the water in the water storage unit 20 can flow out under the effect of dead weight, and need not additionally to set up structures such as pump, reduce cost, reduce the complexity of control simultaneously.

It can be understood that the water storage unit 20 has a baffle plate therein, the baffle plate limits the water storage unit 20 into two chambers, and one small chamber is communicated with the second water through port 202 and the third water through port 203, so that the water inlet unit 30 directly supplies water to the washing unit 10, the whole chamber is not required to be filled, and the water supply efficiency is improved; the other large chamber is communicated with the first water passage port 201 and the third water passage port 203 so that the water storage unit 20 stores a sufficient amount of water. Of course, the baffle plate may have a communication hole communicating the two chambers to facilitate water passing.

As shown in fig. 3, the washing system 100 further includes: the resin chamber 50 is arranged between the water storage unit 20 and the washing unit 10, and the resin chamber 50 is provided with a first raw water inlet 5011, a second raw water inlet 5012 and a soft water outlet 502, wherein the first raw water inlet 5011 is communicated with the first water passage 201, the second raw water inlet 5012 is communicated with the second water passage 202, and the soft water outlet 502 is communicated with the water inlet 101, so that water in the water inlet unit 30 firstly enters the water storage unit 20 and then is softened after flowing in through the second water passage 202, and then is supplied to the washing unit 10 for washing; or stored in the water storage unit 20, and then softened when the water in the water storage unit 20 is used, that is, the water is softened when the water is actually used in the embodiment, so that the quality of the water in the washing unit is improved.

The first and

second block valves

41 and 42 are disposed upstream of the resin chamber 50, the water storage unit 20, the main water path, the water discharge path, and the regeneration path may be integrally designed, and the first and

second block valves

41 and 42 may be disposed on an integrated structure to simplify the structure and facilitate assembly.

The operation of the washing system 100 according to a further embodiment of the present invention is described below with reference to fig. 3: in the initial washing state, the first cut-off valve 41 is closed, the second cut-off valve 42 is opened, the preheated water in the water storage unit 20 is completely reserved in the washing unit 10, the water stored in the water storage unit 20 is filled before the last washing is finished, and the water stored in the water storage unit 20 is heated due to heat exchange with the environment because the storage time is sufficient, so that the energy consumption can be saved when the water is initially put in; during washing or a specific washing stage, the first cut-off valve 41 is closed and the second cut-off valve 42 is closed, the water inlet unit 30 can supply water to the water storage unit 20, and the temperature of the water stored in the water storage unit 20 is increased along with the temperature rise of the inner container because the dishwasher is in a non-heat insulation state; in the rinsing or subsequent washing stage, the first cut-off valve 41 is closed, the second cut-off valve 42 is opened, the preheated water in the water storage unit 20 is reserved in the washing unit 10, the temperature of the water stored in the water storage unit 20 is higher than that of the conventional water inlet, and partial energy consumption is saved; before the washing is finished, the first cut-off valve 41 is closed, the second cut-off valve 42 is closed, the water inlet unit 30 supplies water for the water storage unit 20, the water storage unit 20 is in a low-temperature state compared with the inner container 11, the condensation and drying effects can be further enhanced, more importantly, the supplied water is used for the next washing, the water temperature can be further increased after the water is placed for a sufficient time, and the energy consumption is effectively reduced.

As shown in fig. 4, according to an embodiment of the present invention, the water storage unit 20 has a first water passage port 201, a second water passage port 202, and a third water passage port 203, the second water passage port 202 and the third water passage port 203 are respectively communicated with the water inlet unit 30, a main water passage 13 is provided between the second water passage port 202 and the water inlet unit 30, a first cut-off valve 41 is provided on the main water passage 13, a water inlet passage 23 is provided between the third water passage port 203 and the water inlet unit 30, a second cut-off valve 42 is provided on the water inlet passage 23, the first water passage port 201 is communicated with the water inlet 101, and a water outlet passage 22 is provided between the first water passage port 201 and the water inlet 101, and the water outlet passage 22 is provided with a fourth cut-off valve 44.

Specifically, in a state where the first block valve 41 is opened, the second block valve 42 is closed, and the fourth block valve 44 is opened, the main water path 13 is conducted, the outlet water path 22 is conducted, and the water of the water inlet unit 30 can be supplied to the washing unit 10 through the water inlet valve 31, the flow meter, the breather 60, and the like, that is, the normal water inlet.

In a state where the first block valve 41 is closed, the second block valve 42 is opened, and the fourth block valve 44 is closed, the water inlet unit 30 can supply water to the water storage unit 20, and water introduced into the water storage unit 20 does not flow out, thereby achieving water storage and water intake.

In a state where the first shut-off valve 41 is closed, the second shut-off valve 42 is closed, and the fourth shut-off valve 44 is opened, the inlet water path 23 and the main water path 13 are closed, and the preheated water stored in the water storage unit 20 can be supplied to the washing unit 10 through the outlet water path 22. Wherein, water storage unit 20 is located the top of water inlet 101, therefore the water in the water storage unit 20 can flow out under the effect of dead weight, and need not additionally to set up structures such as pump, reduce cost, reduce the complexity of control simultaneously.

It can be understood that the water storage unit 20 has a baffle plate therein, the baffle plate limits the water storage unit 20 into two chambers, and a small chamber is communicated with the first water through opening 201 and the second water through opening 202, so that the water inlet unit 30 directly supplies water to the washing unit 10, the whole chamber is not required to be filled, and the water supply efficiency is improved; the other large chamber is communicated with the first water passage port 201 and the third water passage port 203 so that the water storage unit 20 stores a sufficient amount of water. Of course, the baffle plate may have a communication hole communicating the two chambers to facilitate water passing.

As shown in fig. 4, the washing system 100 further includes: the resin chamber 50, the resin chamber 50 has raw water inlet 501, first soft water outlet 5021 and second soft water outlet 5022, wherein, raw water inlet 501 communicates with the water intake unit 30, first soft water outlet 5021 communicates with the second water channel 202, second soft water outlet 5022 communicates with the third water channel 203, first shut-off valve 41 is located between first soft water outlet 5021 and the second water channel 202, and second shut-off valve 42 is located between the second soft water outlet 5022 and the third water channel 203. Thus, the water in the water inlet unit 30 is first softened and then enters the main water path 13 for washing by the washing unit 10; or softened water, is stored in the water storage unit 20.

In a further example, the washing system 100 further includes a fifth cut-off valve 45, the fifth cut-off valve 45 being disposed between the water inlet unit 30 and the raw water inlet 501, wherein the first cut-off valve 41, the second cut-off valve 42, the fourth cut-off valve 44, and the fifth cut-off valve 45 cooperate to enable switching between the water inlet unit 30 supplying water to the washing unit 10, the water inlet unit 30 supplying water to the water storage unit 20, and the water storage unit 20 supplying water to the washing unit 10.

Specifically, in a state where the fifth cut-off valve 45 is opened, the first cut-off valve 41 is opened, the second cut-off valve 42 is closed, and the fourth cut-off valve 44 is opened, the water inlet unit 30 is adapted to supply water to the washing unit 10, the main water path 13 is conducted, the water outlet path 22 is conducted, and the water of the water inlet unit 30 is supplied to the washing unit 10 through the water inlet valve 31, the flow meter, the breather 60, and the resin chamber 50, that is, normal inlet water.

In a state where the fifth cut-off valve 45 is opened, the first cut-off valve 41 is closed, the second cut-off valve 42 is opened, and the fourth cut-off valve 44 is closed, the water of the water inlet unit 30 is supplied to the water storage unit 20 through the water inlet valve 31, the flow meter, the breather 60, and the resin chamber 50, and the water entering the water storage unit 20 does not flow out, thereby achieving water storage and water intake.

In a state where the fifth cut-off valve 45 is closed, the first cut-off valve 41 is closed, the second cut-off valve 42 is closed, and the fourth cut-off valve 44 is opened, the water inlet path 23 and the main water path 13 are closed, and the preheated water stored in the water storage unit 20 can be supplied to the washing unit 10 through the water outlet path 22.

The first, second, and

fifth block valves

41, 42, and 45 may be integrated into the structure of the re-water storage unit 20, so as to simplify the structure and facilitate assembly.

The operation of the washing system 100 according to a further embodiment of the present invention is described below with reference to fig. 4: in the initial washing state, the fifth block valve 45 is closed, the first block valve 41 is closed, the second block valve 42 is closed, and the fourth block valve 44 is opened, so that the preheated water in the water storage unit 20 is completely reserved in the washing unit 10, and since the water stored in the water storage unit 20 is filled before the last washing is finished, and since the storage time is sufficient, the heat exchange is carried out with the environment, the temperature of the stored water in the water storage unit 20 is increased, and the energy consumption can be saved by initially putting the water in the washing unit 20; in the washing or a certain washing stage, the fifth cut-off valve 45 is opened, the first cut-off valve 41 is closed, the second cut-off valve 42 is opened, the fourth cut-off valve 44 is closed, the water inlet unit 30 can supply water to the water storage unit 20, and the water stored in the water storage unit 20 is increased along with the temperature rise of the inner container due to the non-heat insulation state of the dishwasher; in the rinsing or subsequent washing stage, the fifth block valve 45 is closed, the first block valve 41 is closed, the second block valve 42 is closed, and the fourth block valve 44 is opened, so that the preheated water in the water storage unit 20 is reserved in the washing unit 10, the temperature of the water stored in the water storage unit 20 is higher than that of the conventional water inlet, and partial energy consumption is saved; before the washing is finished, the fifth cut-off valve 45 is opened, the first cut-off valve 41 is closed, the second cut-off valve 42 is opened, the fourth cut-off valve 44 is closed, the water inlet unit 30 supplies water to the water storage unit 20, the condensation and drying effects can be further enhanced due to the fact that the water storage unit 20 is in a low-temperature state compared with the inner container 11, more importantly, the supplied water is used for the next washing, the water temperature can be further increased after the water storage unit is placed for a sufficient time, and energy consumption is effectively saved.

The washing system 100 further has a washing pump 70, and the washing pump 70 can circulate the washing water in the washing unit 10, so that the washing water can be sprayed onto the sprayed tableware through the shunt valve and the spray arm, thereby improving the washing effect; the washing system 100 further has a drain pump 80, and the drain pump 80 can drain the washed water to facilitate subsequent washing or drying.

Other constructions and operations of washing systems according to embodiments of the invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A washing system of a dishwasher, comprising:

a washing unit having a water inlet;

the water storage unit is provided with a first water through opening, and the first water through opening is communicated with the water inlet;

the water inlet unit is respectively communicated with the water inlet and the first water through port and is used for supplying water to the washing unit and/or the water storage unit;

the first cut-off valve is arranged between the water inlet unit and the water inlet;

a second block valve, which is arranged between the water inlet unit and the water storage unit or between the water inlet and the water storage unit,

wherein the first block valve and the second block valve are matched to realize the switching of the water supply unit to supply water to the washing unit, the water supply unit to supply water to the water storage unit and the water storage unit to supply water to the washing unit,

the water storage unit is provided with a water inlet and outlet channel communicated with the first water through hole, the water inlet unit is communicated with the water inlet through a main water channel, the water inlet and outlet channel is communicated with the main water channel,

wherein the first block valve is arranged on the main water waterway and positioned between the joint of the main water waterway and the water inlet and outlet waterway and the water inlet, the second block valve is arranged on the water inlet and outlet waterway,

the water inlet unit is adapted to supply water to the washing unit in a state where the first cut-off valve is opened and the second cut-off valve is closed;

the water inlet unit is suitable for supplying water to the water storage unit in a state that the first cut-off valve is closed and the second cut-off valve is opened;

the water storage unit is adapted to supply water to the washing unit in a state where the first cut-off valve is opened and the second cut-off valve is opened.

2. The washing system of a dishwasher of claim 1, further comprising: a resin chamber provided in the main water path and having a raw water inlet and a soft water outlet,

wherein, the raw water import with the unit intercommunication of intaking just the soft water export with the water inlet, first limbers intercommunication.

3. The washing system of a dishwasher of claim 2, further comprising: a third shut-off valve, which is arranged on the main water path and is positioned between the joint of the main water path and the water inlet/outlet path and the resin cavity,

the first cut-off valve, the second cut-off valve and the third cut-off valve are matched to realize switching among the water supply of the water inlet unit to the washing unit, the water supply of the water inlet unit to the water storage unit and the water supply of the water storage unit to the washing unit.

4. The washing system of a dishwasher of claim 3, characterized in that,

the water inlet unit is suitable for supplying water to the washing unit in the states that the third block valve is opened, the first block valve is opened and the second block valve is closed;

the water inlet unit is suitable for supplying water to the water storage unit in the states that the third block valve is opened, the first block valve is closed and the second block valve is opened;

the water storage unit is adapted to supply water to the washing unit in a state where the third cut-off valve is closed, the first cut-off valve is opened, and the second cut-off valve is opened.

5. The washing system of a dishwasher according to claim 1, wherein the water storage unit further has a second water passage opening communicating with the water inlet opening, a third water passage opening communicating with the water inlet unit, a water outlet waterway is provided between the first water passage opening and the water inlet opening, a main water waterway is provided between the second water passage opening and the water inlet opening,

the first block valve is arranged on the main water channel, and the second block valve is arranged on the water outlet channel.

6. The washing system of a dishwasher of claim 5, wherein,

the water inlet unit is suitable for supplying water to the washing unit under the states that the first cut-off valve is opened and the second cut-off valve is closed;

the water inlet unit is suitable for supplying water to the water storage unit under the state that the first cut-off valve is closed and the second cut-off valve is closed;

the water storage unit is adapted to supply water to the washing unit in a state where the first cut-off valve is closed and the second cut-off valve is opened.

7. The washing system of a dishwasher of claim 5, further comprising: a resin chamber disposed between the water storage unit and the washing unit and having a first raw water inlet, a second raw water inlet, and a soft water outlet,

the first raw water inlet is communicated with the first water through port, the second raw water inlet is communicated with the second water through port, and the soft water outlet is communicated with the water inlet.

8. The washing system of a dishwasher according to claim 1, wherein the water storage unit further has a second water passage port and a third water passage port respectively communicating with the water inlet unit, a main water path is provided between the second water passage port and the water inlet unit, a water inlet path is provided between the third water passage port and the water inlet unit, and a water outlet path is provided between the first water passage port and the water inlet port,

the first block valve is arranged on the main water channel, the second block valve is arranged on the water inlet channel, and the water outlet channel is provided with a fourth block valve.

9. The washing system of a dishwasher of claim 8,

the water inlet unit is suitable for supplying water to the washing unit in a state that the first block valve is opened, the second block valve is closed and the fourth block valve is opened;

the water inlet unit is suitable for supplying water to the water storage unit in the states that the first block valve is closed, the second block valve is opened and the fourth block valve is closed;

the water storage unit is adapted to supply water to the washing unit in a state where the first cut-off valve is closed, the second cut-off valve is closed, and the fourth cut-off valve is opened.

10. The washing system of a dishwasher of claim 8, further comprising: a resin chamber having a raw water inlet, a first soft water outlet and a second soft water outlet,

wherein, the raw water import with the unit intercommunication of intaking, first soft water export with the second mouth of a river intercommunication, the second soft water export with the third mouth of a river intercommunication, first shut-off valve is located first soft water export with between the second mouth of a river, the second shut-off valve is located the second soft water export with between the third mouth of a river.

11. The washing system of a dishwasher of claim 10, further comprising a fifth cut-off valve provided between the water inlet unit and the raw water inlet,

the first block valve, the second block valve, the fourth block valve and the fifth block valve are matched to realize switching among water supply from the water inlet unit to the washing unit, water supply from the water inlet unit to the water storage unit and water supply from the water storage unit to the washing unit.

12. The washing system of a dishwasher of claim 11,

the water inlet unit is suitable for supplying water to the washing unit in the states that the fifth block valve is opened, the first block valve is opened, the second block valve is closed and the fourth block valve is opened;

the water inlet unit is suitable for supplying water to the water storage unit in the states that the fifth block valve is opened, the first block valve is closed, the second block valve is opened and the fourth block valve is closed;

the water storage unit is adapted to supply water to the washing unit in a state where the fifth cut-off valve is closed, the first cut-off valve is closed, the second cut-off valve is closed, and the fourth cut-off valve is opened.

13. The washing system of a dishwasher of any one of claims 2 to 4, 7, 10 to 12, further comprising a regeneration chamber for controlling regeneration of resin in the resin chamber, the regeneration chamber being in communication with the water storage unit,

and a regeneration cut-off valve is arranged between the regeneration cavity and the resin cavity, and water in the water storage unit flows into the resin cavity through the regeneration cavity in the state that the regeneration cut-off valve is opened.

14. The washing system of a dishwasher of claim 1, wherein the washing unit comprises a tub and a cup, the cup is provided at a bottom wall of the tub, and the water inlet is provided at the tub or the cup.