CN213371826U

CN213371826U - Household dish washing machine

Info

Publication number: CN213371826U
Application number: CN202021295318.4U
Authority: CN
Inventors: 曾红武
Original assignee: Guangdong Vocational and Technical College
Current assignee: Guangdong Vocational and Technical College
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-06-08
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a household dish washing machine, which comprises a cabinet, a ventilation channel, an air valve component, a fan, a heating element and a spraying and cleaning component, wherein the wall of the cabinet is provided with an external ventilation outlet; the ventilation channel is provided with an inner ventilation inlet, an outer ventilation inlet and an inner ventilation outlet, the inner ventilation inlet and the inner ventilation outlet are communicated with the inside of the cabinet, and the outer ventilation inlet is communicated with the outside of the cabinet; the air valve assembly comprises an air outlet valve, an inner air inlet valve and an outer air inlet valve, the air outlet valve is arranged in the outer ventilation outlet, the inner air inlet valve is arranged in the inner ventilation inlet, and the outer air inlet valve is arranged in the outer ventilation inlet; the fan is used for driving the air in the ventilation channel to flow; the heating element is used for increasing the temperature of the air in the cabinet, and the spraying and cleaning assembly is installed in the cabinet. When the dish washer is used for drying and sterilizing, the air in the cabinet can be quickly and uniformly heated, the phenomenon of local overheating is relatively generated, and the bowls in the cabinet can be quickly cooled after drying and sterilizing are finished.

Description

Household dish washing machine

Technical Field

The utility model relates to a domestic appliance's field, in particular to domestic dish washer.

Background

The existing dish washer generally has the functions of washing, drying and sterilizing, and after the dishes are washed, the dishes are dried and sterilized at high temperature by the heating component. The dish-washing machine is required to realize the disinfection effect, the temperature in the cabinet body needs to reach higher disinfection temperature, and then after the dish-washing machine works, the temperature of bowls inside the dish-washing machine is very high, if a user takes out the dish-washing machine immediately, the bowl is easy to drop and damage, the dish-washing machine generally needs to stand for a period of time after working, and the bowls can be taken out after the temperature inside the dish-washing machine is reduced, so that the use experience of the user is influenced, and the whole dish-washing time is prolonged; in addition, because the installation position of the heating part in the cabinet body of the existing dish washing machine is relatively fixed, when the heating part is heated, the phenomenon that the local temperature in the cabinet body is overhigh can be caused; in the heating and disinfecting process of the dish washing machine, moisture is vaporized, and the humidity in the dish washing machine can be increased, so that the drying efficiency is low, and the energy consumption is increased; in addition, most of the existing dish washing machines adopt an embedded installation mode, are fixedly installed in a cabinet of a kitchen, and are inconvenient to disassemble, assemble and maintain.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a household dishwasher to solve one or more of the problems of the prior art and to provide at least one of the advantages of the present invention.

The technical scheme adopted for solving the technical problems is as follows:

a domestic dishwasher, comprising: the device comprises a cabinet, a ventilation channel, an air valve assembly, a fan, a heating element and a spraying cleaning assembly, wherein an outer ventilation outlet is formed in the wall of the cabinet, and the inner part of the cabinet can be communicated with the outer part through the outer ventilation outlet; the ventilation channel is provided with an inner ventilation inlet, an outer ventilation inlet and an inner ventilation outlet, the inner ventilation inlet and the inner ventilation outlet are communicated with the inside of the cabinet, and the outer ventilation inlet is communicated with the outside of the cabinet; the air valve assembly comprises an air outlet valve, an inner air inlet valve and an outer air inlet valve, the air outlet valve is connected with an outer ventilation outlet, the air outlet valve is configured to control the opening and closing of the outer ventilation outlet, the inner air inlet valve is connected with an inner ventilation inlet, the inner air inlet valve is configured to control the opening and closing of the inner ventilation inlet, the outer air inlet valve is connected with an outer ventilation inlet, and the outer air inlet valve is configured to control the opening and closing of the outer ventilation inlet; the fan is used for driving the air in the ventilation channel to flow; the heating element is used for increasing the temperature of the air in the cabinet and is arranged beside the inner ventilation outlet; the spraying and cleaning component is arranged in the cabinet.

The utility model has the advantages that: when the washing machine is used, after the washing assembly is sprayed to wash bowls, the temperature of air in the machine cabinet is increased through the heating element, and the drying and disinfecting effects of the bowls are achieved. In the drying and sterilizing process, the inner air inlet valve is opened, and the fan is started, so that the air inside the cabinet enters the ventilation channel from the inner ventilation inlet and flows out from the inner ventilation outlet to form inner circulation airflow, and the air in the cabinet is quickly and uniformly heated. Meanwhile, in the drying and sterilizing process, the outer air inlet valve can be opened, so that the outside air can be sucked into the cabinet from the outer ventilation inlet. After the drying and disinfection, the air outlet valve and the outer air inlet valve are opened, under the operation of the fan, the outside low-temperature air is supplemented into the cabinet and mixed with the inside high-temperature air of the cabinet, and the mixed gas is discharged from the outer ventilation outlet, so that the inside of the cabinet forms convective heat dissipation airflow, and further the bowls of the cabinet are quickly cooled. And when the heating element is arranged beside the inner ventilation outlet, the circulating air flow can be heated, and the supplemented fresh air can be heated to a certain extent when the temperature is reduced, so that the power of the heating element can be reduced, and the fresh air is mainly dried at the moment, and the damp air enters the cabinet to influence the cleaning and drying effects of the bowls.

As above-mentioned technical scheme's further improvement, the utility model discloses still include the ventilation body, the ventilation body with the rack constitutes jointly the ventilation passageway be provided with fan installation position in the ventilation body, the fan is installed on fan installation position, interior ventilation import, outer ventilation import set up in the fan negative pressure side, interior ventilation export sets up in the negative pressure side of fan.

When the fan is assembled, the fan can be arranged on a fan installation position set in the ventilation body, so that the fan is convenient to fixedly install.

The vent body may be disposed inside or outside the cabinet with respect to the position of the vent body, but it is preferable that the vent body is disposed inside the cabinet for the beauty of the outside of the dishwasher. And the ventilating body and the cabinet can be separated or integrated. The shape of the ventilating body can be a pipe body, and the ventilating channel is formed in the ventilating body and is arranged along the length direction of the ventilating body. And the tube body can be a square tube, a round tube or other irregular special-shaped tubes.

As another improvement of the above technical solution, the ventilation body is in a plate shell shape, the ventilation body is installed on an inner wall of the cabinet, the ventilation body and the inner wall of the cabinet jointly form the ventilation channel, and the external ventilation inlet is arranged on the wall of the cabinet.

The ventilation body in the plate shell shape is connected with one inner wall of the cabinet to form a ventilation channel, so that the inside of the ventilation channel is convenient to clean, and the ventilation body is independent from the cabinet and can freely design an internal ventilation inlet, an external ventilation inlet and an internal ventilation outlet. The shell-like ventilation body is substantially a thin-walled sheet-metal plate-like structure which can have various forms, for example a semi-closed shell structure.

As a further improvement of the technical scheme, the air outlet valve, the inner air inlet valve and the outer air inlet valve are all electric valves.

The opening and closing actions of the air outlet valve, the inner air inlet valve and the outer air inlet valve can be controlled in an electric control mode, and automatic control is achieved. Under the control of the control assembly of the dishwasher, the working mode of the dishwasher can be flexibly controlled.

As a further improvement of the above technical solution, the outer ventilation outlets are provided with a plurality of outer air inlet valves, and the plurality of outer air inlet valves are correspondingly arranged in the outer ventilation outlets in a one-to-one correspondence manner.

The plurality of outer ventilation outlets can improve the exhaust air volume, so that the interior of the dish washing machine can be rapidly cooled. Wherein to outer vent outlet setting, in order to improve the efficiency of cooling, outer vent outlet sets up respectively in the inside relative both sides of rack with interior vent outlet, when cooling down, outside air gets into the ventilation passageway from outer vent inlet in, and in the export entering rack of following interior vent, under the air effect of newly-adding, can extrude toward relative opposite side from one side to the inside hot-air of rack, thereby can make the inside hot-air of rack follow outer vent outlet discharge as far as possible, further improve the efficiency of cooling.

There are various mounting positions for the heating element, and the heating element may be disposed at the side of the inner ventilation inlet or the heating element may be disposed at the side of the inner ventilation outlet. Although the heating element can raise the temperature of the cabinet at any location, the effect is different at different locations. When the heating element is arranged beside the inner ventilation inlet, the heating element heats the circulating airflow in the cabinet in the drying and sterilizing process. When the heating element is arranged at the side of the inner ventilation outlet, the circulating air flow can be heated, and the supplemented fresh air can be heated to a certain extent when the temperature is reduced, so that the power of the heating element can be reduced, and the fresh air is mainly dried at the moment, and the damp air enters the cabinet to influence the cleaning and drying effects of the bowls.

As a further improvement of the technical scheme, the spraying and cleaning assembly comprises a plurality of nozzles which are uniformly distributed on the inner wall of the cabinet.

When the bowls are cleaned, the bowls are sprayed in different directions through the plurality of nozzles.

As a further improvement of the above technical solution, a tray frame is arranged in the cabinet, sliding rails extending forward and backward are correspondingly arranged on the left side wall and the right side wall inside the tray frame, the left side and the right side of the tray frame are respectively connected with the two sliding rails in a sliding manner, and a cabinet door is arranged on the front side of the cabinet.

When in use, the tray rack can be pulled out along the slide rail, so that bowls can be conveniently taken and placed.

As a further improvement of the technical scheme, a plurality of pulleys are arranged at the bottom of the cabinet.

Under the action of the plurality of pulleys, a user can move the position of the cabinet according to the requirement.

Drawings

The present invention will be further explained with reference to the drawings and examples;

FIG. 1 is a side sectional view of an embodiment of a dishwasher in a heat drying mode, wherein hollow arrows are used to indicate the general state of air flow near an inner vent inlet and an inner vent outlet of a vent passage, wherein the two arrows respectively indicate a forward direction and a backward direction, and wherein the two arrows respectively indicate an upward direction and a downward direction;

fig. 2 is a side sectional view of an embodiment of the dishwasher in a rapid cooling operation mode, in which hollow arrows are used to illustrate the general state of air flow near the outer and inner vent inlets and the outer vent outlet of the vent passage.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, a household dishwasher of the present invention makes the following embodiments:

the home dishwasher of the present embodiment includes a cabinet 100, a ventilation passage 200, a damper assembly, a blower 600, a heating element 700, and a spray wash assembly. The cabinet 100 in this embodiment is rectangular and three-dimensional, and includes an upper side wall, a lower side wall, a rear side wall, a left side wall, and a right side wall, a cabinet door 140 is provided on a front side cover of the cabinet 100, an external ventilation outlet 110 is provided on one side wall of the cabinet 100, and the external ventilation outlet 110 is communicated with the inside and the outside of the cabinet 100.

The ventilation passage 200 is provided with an inner ventilation inlet 210, an outer ventilation inlet 220, and an inner ventilation outlet 230, the inner ventilation inlet 210 and the inner ventilation outlet 230 both communicate with the inside of the cabinet 100, and the outer ventilation inlet 220 communicates with the outside of the cabinet 100. The air valve assembly comprises an air outlet valve 300, an inner air inlet valve 400 and an outer air inlet valve 500, wherein the air outlet valve 300 is installed in the outer ventilation outlet 110, the inner air inlet valve 400 is installed in the inner ventilation inlet 210, and the outer air inlet valve 500 is installed in the outer ventilation inlet 220.

A tray rack 120 is arranged in the cabinet 100, sliding rails 130 extending forward and backward are correspondingly arranged on the left side wall and the right side wall inside the tray rack 120, and the left side and the right side of the tray rack 120 are respectively connected with the two sliding rails 130 in a sliding manner.

And the blower 600 serves to drive the air flow in the ventilation channel 200.

The heating element 700 is used to raise the temperature of the air inside the cabinet 100.

Spray and wash the subassembly and install in rack 100, spray and wash the subassembly and be used for wasing the interior bowl utensil of rack 100, spray and wash the subassembly and include a plurality of nozzles 900 in this implementation, a plurality of nozzles 900 equipartitions are on the inner wall of rack 100.

Meanwhile, the cabinet 100 is also provided with a discharge port and a water inlet, and the spray cleaning assembly is connected with a tap water pipeline through the water inlet.

The dish washing process of the household dish washing machine in the embodiment comprises the following steps: the cabinet door 140 is opened, the dish rack 120 is pulled out along the slide rail 130, dishes to be washed are placed on the dish rack 120, the dish rack 120 is pushed into the cabinet 100, the cabinet door 140 is closed, the dishes are sprayed and washed in different directions through the plurality of nozzles 900, after the dishes are washed and discharged, the temperature of air inside the cabinet 100 is raised through the heating element 700, and the drying and sterilizing effects of the dishes are achieved. In order to reduce energy consumption, the external air inlet valve 500 may be opened during the drying and sterilizing process, so that external air may be sucked into the cabinet 100 through the external ventilation inlet 220, and since the humidity of the air outside the cabinet 100 is generally lower than that of the air inside the cabinet 100 through the previous cleaning step, the humidity inside the cabinet 100 can be relieved after the relatively dry air is supplemented, and the drying efficiency can be improved. After the drying and disinfection, the air outlet valve 300 and the external air inlet valve 500 are opened, and the internal air inlet valve 400 is closed, as shown in fig. 2, under the operation of the fan 600, external low-temperature air is mixed with high-temperature air inside the cabinet 100 from the inside of the cabinet 100, and mixed gas is discharged from the external ventilation outlet 110, so that convection heat dissipation airflow is formed inside the cabinet 100, and then the bowls of the cabinet 100 are rapidly cooled.

In order to further increase the cooling speed, the outer ventilation outlet 110 and the inner ventilation outlet 230 are respectively disposed at two opposite sides inside the cabinet 100, in this embodiment, the inner ventilation outlet 230 is disposed at the rear side inside the cabinet 100, and the outer ventilation outlet 110 is disposed at a side close to the cabinet door 140. And the external air enters the ventilation channel 200 from the external ventilation inlet 220 and enters the cabinet 100 from the internal ventilation outlet 230, and the hot air inside the cabinet 100 is pushed to move from back to front by the newly supplemented air, so that the hot air inside the cabinet 100 can be discharged from the external ventilation outlet 110 as much as possible. In some embodiments, the outer vent outlet 110 is provided in plurality, and the plurality of outer vent outlets 110 may increase the amount of exhausted air, so that the interior of the dishwasher may be rapidly cooled.

The embodiment further includes a ventilation body 800, the ventilation body 800 is in a plate shell shape, the ventilation body 800 is installed on the rear side wall of the cabinet 100, the ventilation body 800 and the rear side wall of the cabinet 100 jointly form the ventilation channel 200, the external ventilation inlet 220 is arranged on the cabinet wall of the cabinet 100, a fan installation position 810 is arranged in the ventilation body 800, and the fan 600 is installed on the fan installation position.

When assembling, the blower 600 is installed on the blower installation position 810 set in the ventilator 800, and then the ventilator 800 is closely installed on the rear sidewall of the cabinet 100, so that the inside of the ventilation channel 200 is conveniently cleaned, and the inside ventilation inlet 210, the outside ventilation inlet 220, and the inside ventilation outlet 230 can be freely designed independently from the cabinet 100. The characteristic that humid air density is big is mainly considered, humid air is under the action of gravity, can sink and gather in the lower part of rack 100, interior ventilation inlet 210 in this embodiment is the setting from top to bottom with interior ventilation outlet 230, when the disinfection is dried, make the interior circulation air current be from last down flow in ventilation channel 200, the interior circulation air current is from up flowing down in rack 100, thereby circulation air current drives the inside humid air of rack 100 and can from up flowing down, make humid air and outside new air mix more abundant, make the inside air of rack 100 can be fast, fall wet uniformly.

The vent body 800 may be disposed at the inner side or the outer side of the cabinet 100 for the installation position of the vent body 800, but it is preferable that the vent body 800 is disposed at the inner side of the cabinet 100 for the aesthetic appearance of the outside of the dishwasher. And the vent body 800 may be separate from or integrated with the cabinet 100. The shape of the vent body 800 may be a pipe shape, and the vent passage 200 is formed in the vent body 800 and arranged along the length direction of the vent body 800. And the tube body can be a square tube, a round tube or other irregular special-shaped tubes.

In this embodiment, the air outlet valve 300, the inner air inlet valve 400 and the outer air inlet valve 500 are all electrically operated valves, and the opening and closing actions of the air outlet valve 300, the inner air inlet valve 400 and the outer air inlet valve 500 can be controlled in an electrically controlled manner, so that automatic control is realized. Under the control of the control assembly of the dishwasher, the working mode of the dishwasher can be flexibly controlled.

The heating element can be of various types, and can be an infrared quartz tube, a heating tube or a heating lamp.

There are various installation positions for the heating element 700, and the heating element 700 may be disposed at the side of the inner ventilation inlet 210 or the heating element 700 may be disposed at the side of the inner ventilation outlet 230. Although the heating element 700 may raise the temperature of the cabinet 100 at any location, the effect may be different at different locations. When the heating element 700 is disposed beside the inner ventilation inlet 210, the heating element 700 heats the circulating airflow inside the cabinet 100 during the drying and sterilizing process. When the heating element 700 is disposed beside the inner ventilation outlet 230, the circulating air flow can be heated, and the supplied fresh air can be heated to a certain extent when the temperature is reduced, so that the power of the heating element 700 is reduced, and the fresh air is mainly dried at this time, and the wet air enters the cabinet 100, which affects the cleaning and drying effects of the bowls.

In order to facilitate the movement, a plurality of pulleys 150 are installed at the bottom of the cabinet 100, and a user can move the position of the cabinet 100 as needed by the plurality of pulleys 150.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A household dishwasher, characterized by: the method comprises the following steps:

a cabinet (100) provided with an external ventilation outlet (110) on a wall of the cabinet (100), the external ventilation outlet (110) allowing the interior of the cabinet (100) to communicate with the outside;

the ventilation channel (200) is provided with an inner ventilation inlet (210), an outer ventilation inlet (220) and an inner ventilation outlet (230), the inner ventilation inlet (210) and the inner ventilation outlet (230) are communicated with the inside of the cabinet (100), and the outer ventilation inlet (220) is communicated with the outside of the cabinet (100);

the air valve assembly comprises an air outlet valve (300), an inner air inlet valve (400) and an outer air inlet valve (500), wherein the air outlet valve (300) is connected with an outer ventilation outlet (110), the air outlet valve (300) is configured to control the opening and closing of the outer ventilation outlet (110), the inner air inlet valve (400) is connected with an inner ventilation inlet (210), the inner air inlet valve (400) is configured to control the opening and closing of the inner ventilation inlet (210), the outer air inlet valve (500) is connected with an outer ventilation inlet (220), and the outer air inlet valve (500) is configured to control the opening and closing of the outer ventilation inlet (220);

a fan (600) for driving the air flow in the ventilation channel (200);

a heating element (700) for raising the temperature of the air inside the cabinet (100), the heating element (700) being disposed aside an inner vent outlet (230);

the spraying cleaning assembly is arranged in the cabinet (100).

2. A domestic dishwasher according to claim 1, wherein:

the ventilating device is characterized by further comprising a ventilating body (800), wherein the ventilating body (800) and the cabinet (100) jointly form the ventilating channel (200), a fan installation position (810) is arranged in the ventilating body (800), the fan (600) is installed on the fan installation position (810), the inner ventilating inlet (210) and the outer ventilating inlet (220) are arranged on the negative pressure side of the fan (600), and the inner ventilating outlet (230) is arranged on the negative pressure side of the fan (600).

3. A domestic dishwasher according to claim 2, wherein:

the ventilation body (800) is in a plate shell shape, the ventilation body (800) is installed on the inner wall of the cabinet (100), the ventilation body (800) and the inner wall of the cabinet (100) jointly form the ventilation channel (200), and the external ventilation inlet (220) is arranged on the wall of the cabinet (100).

4. A domestic dishwasher according to claim 1, wherein:

the air outlet valve (300), the inner air inlet valve (400) and the outer air inlet valve (500) are all electric valves.

5. A domestic dishwasher according to claim 1, wherein:

the outer ventilation outlet (110) is provided with a plurality of, correspondingly the outer air inlet valve (500) also is provided with a plurality of, and a plurality of the outer air inlet valve (500) one-to-one correspondence is installed in the outer ventilation outlet (110).

6. A domestic dishwasher according to claim 1, wherein:

the spraying cleaning assembly comprises a plurality of nozzles (900), and the plurality of nozzles (900) are uniformly distributed on the inner wall of the cabinet (100).

7. A domestic dishwasher according to claim 1, wherein:

a tray rack (120) is arranged in the cabinet (100), sliding rails (130) extending forwards and backwards are correspondingly arranged on the left side wall and the right side wall inside the tray rack (120), the left side and the right side of the tray rack (120) are respectively in sliding connection with the two sliding rails (130), and a cabinet door (140) is arranged on the front side of the cabinet (100).

8. A domestic dishwasher according to claim 1, wherein:

a plurality of pulleys (150) are arranged at the bottom of the cabinet (100).