CN113261901A

CN113261901A - Dish washing machine

Info

Publication number: CN113261901A
Application number: CN202110501138.XA
Authority: CN
Inventors: 陶现民; 李金鹏; 徐�明; 赵良
Original assignee: Hisense Guangdong Kitchen and Bath System Co Ltd
Current assignee: Hisense Guangdong Kitchen and Bath System Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-08-17
Anticipated expiration: 2041-05-08
Also published as: CN113261901B

Abstract

The invention discloses a dish washing machine, relates to the technical field of kitchen appliances, and aims to solve the problems that secondary pollution of tableware can be caused and the sterilization effect is influenced when the existing dish washing machine is used for drying. The dish washing machine comprises an inner container, a fan, an air purification device and a heating device, wherein a cleaning cavity is formed inside the inner container, and an air inlet and an air outlet which are communicated with the cleaning cavity are formed in the inner container; the fan is arranged on the outer wall of the inner container, and an outlet of the fan is communicated with the air inlet; the air purification device is used for purifying and sterilizing the air blown into the cleaning cavity by the fan; the heating device is used for heating the air blown into the cleaning cavity by the fan. The invention is used for cleaning tableware.

Description

Dish washing machine

Technical Field

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

Background

Along with the improvement of the living standard of people, the dish washing machine gradually becomes an electric appliance commonly used in a kitchen, and the dish washing machine can automatically clean tableware, so that the labor can be saved.

The existing dish washer cleans tableware through water flow sprayed by a spray head in a dish washing cavity, washes dirt on the tableware clean, and can also dry the tableware after the cleaning is finished. The existing dish washer drying modes include residual heat drying, automatic door opening drying and cold air or hot air drying.

However, in the above drying method, the residual heat drying time is long, and it is not favorable for saving energy; the automatic door opening drying and the cold and hot air drying both need to introduce external air, which can cause secondary pollution of the tableware and influence the sterilization effect of the tableware.

Disclosure of Invention

The embodiment of the invention provides a dish washing machine, which can dry tableware and simultaneously ensure that the tableware is not secondarily polluted by outside air, thereby ensuring the sterilization effect of the tableware.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

an embodiment of the present invention provides a dishwasher, including:

the inner container is internally provided with a cleaning cavity, and an air inlet and an air outlet which are communicated with the cleaning cavity are arranged on the inner container;

the fan is arranged on the outer wall of the inner container, and an outlet of the fan is communicated with the air inlet;

the air purification device is used for purifying and sterilizing the air blown into the cleaning cavity by the fan;

and the heating device is used for heating the air blown into the cleaning cavity by the fan.

According to the dish washing machine provided by the embodiment of the invention, the air purification device and the heating device are arranged in the dish washing machine, after the washing work of the dish washing machine is finished, the fan can blow air to the washing cavity in the inner container to dry tableware in the washing cavity, the air blown into the washing cavity by the fan is purified and sterilized by the air purification device to ensure that the tableware in the washing cavity cannot be secondarily polluted, meanwhile, the air blown into the washing cavity by the fan generates hot air by the heating device to dry the tableware in the washing cavity, and therefore, after the washing work of the dish washing machine is finished, the dish washing machine is beneficial to ensuring that the washing cavity is clean and dry to ensure the sterilizing effect of the tableware.

In some embodiments of the present invention, the fan is disposed on the bottom surface of the inner container, an air inlet channel is disposed between the fan and the air inlet, and the air purifying device and the heating device are both disposed in the air inlet channel.

In some embodiments of the present invention, a concave groove is disposed at the bottom of the air inlet channel.

In some embodiments of the invention, the side wall of the trough body is provided with an overflow hole.

In some embodiments of the present invention, the dishwasher further comprises:

the inner container is arranged on the base, and an overflow alarm mechanism is arranged on the base.

In some embodiments of the present invention, a breather is further disposed on an outer wall of the inner container, and an inlet of the breather is communicated with the air outlet.

In some embodiments of the invention, the outlet of the respirator is provided with a water collecting piece, and the water collecting piece is used for enabling condensed water to flow back into the respirator.

In some embodiments of the invention, the water collection member comprises:

the exhaust device comprises a body, a first exhaust pipe and a second exhaust pipe, wherein an exhaust channel is formed inside the body;

the exhaust port is formed in the side wall of the body in the vertical direction and is communicated with the exhaust channel;

the inner condensation wall is arranged at the lower edge of the exhaust port and extends towards the inner side of the exhaust channel;

the bulge is arranged on the side wall of the exhaust port, and is arranged on the lower side of the exhaust port, the upward surface of the bulge is provided with a water collecting tank, a through hole is formed in the water collecting tank, and the through hole is communicated with the exhaust channel.

In some embodiments of the invention, the water collection member further comprises:

the outer condensation wall is arranged on the upper edge of the exhaust port, extends towards the outer side of the exhaust channel and bends downwards, and the outer condensation wall is arranged above the water collecting tank.

In some embodiments of the present invention, the air purification device is a cold catalyst or an ionizer.

Drawings

FIG. 1 is a first angle perspective structural view of a dishwasher liner according to an embodiment of the present invention;

FIG. 2 is a second angle perspective structure view of the dishwasher liner according to the embodiment of the present invention;

FIG. 3 is a third angle structure view of the inner container of the dishwasher according to the embodiment of the present invention;

FIG. 4 is a top view of the air intake channel when the air purifying device of the present invention uses a cold catalyst;

FIG. 5 is a first angle structure diagram of the air intake channel when the air purifying device of the embodiment of the present invention uses a cold catalyst;

FIG. 6 is a second perspective view of the air intake channel when the air purifying device of the present invention uses a cold catalyst;

FIG. 7 is a top view of the interior of the air intake channel when the air purification apparatus provided by the embodiment of the present invention employs an ion generator;

fig. 8 is a first angle structure diagram of the air intake channel when the air purification device provided by the embodiment of the invention adopts an ion generator;

fig. 9 is a second angle structure diagram of the air intake channel when the air purification device provided by the embodiment of the present invention employs an ion generator;

FIG. 10 is a top view of a respirator provided in accordance with an embodiment of the present invention;

FIG. 11 is a cross-sectional view A-A of FIG. 10;

FIG. 12 is an enlarged view of the structure in the area B of FIG. 11;

FIG. 13 is a first perspective view of a water collection member according to an embodiment of the present invention;

fig. 14 is a second perspective view of a water collection member according to an embodiment of the present invention.

Reference numerals: 100. an inner container; 110. a cleaning chamber; 120. an air inlet; 130. an air outlet; 200. a fan; 300. an air purification device; 400. a heating device; 500. an air inlet channel; 510. a trough body; 520. an overflow hole; 600. a respirator; 700. a water collection member; 710. a body; 711. an exhaust passage; 720. an exhaust port; 730. an inner condensation wall; 740. a protrusion; 741. a water collection tank; 742. a through hole; 750. an outer condensation wall.

Detailed Description

A dishwasher according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include 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; 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.

The dishwasher provided by the embodiment of the invention, as shown in fig. 1 and fig. 2, comprises an inner container 100, a cleaning cavity 110 is formed inside the inner container 100, and an air inlet 120 and an air outlet 130 which are communicated with the cleaning cavity 110 are arranged on the inner container 100; the outer wall of the inner container 100 is provided with a fan 200, and the outlet of the fan 200 is communicated with the air inlet 120 on the inner container 100.

The application provides a dish washer, at the during operation, wash the tableware of inside by the shower nozzle in the washing chamber 110, gas outlet 130 is used for making the atmospheric pressure inside and outside washing chamber 110 balanced to avoid inside production negative pressure or pressure too big, after the cleaning work, can blow the tableware of inside through fan 200, dry, thereby realize dish washer's cleaning work.

In addition, the specific structure of the dishwasher provided by the present application is not exclusive, for example, the inner container 100 provided by the present application may be integrated in a cabinet, that is, an installation space of the dishwasher is reserved in the cabinet, and then the inner container 100 is integrated in the installation space without occupying a space outside the cabinet; the inner container 100 provided by the application can also be arranged in the shell, so that the dishwasher forms an independent electric appliance with attractive appearance, and a user can place the independent electric appliance at a proper position according to the layout of a kitchen or personal intention, so that the layout of the kitchen is more flexible. Therefore, the specific structure of the dishwasher is not limited.

In some embodiments, the installation position of the blower 200 provided by the present application is not unique, the blower 200 may be installed on the side wall of the inner container 100 at a position corresponding to the air inlet 120, and the blower 200 may directly blow air into the cleaning chamber 110; as shown in fig. 3, the blower 200 may also be disposed on the bottom surface of the inner container 100, an air inlet channel 500 is disposed between the blower 200 and the air inlet 120, and the blower 200 is disposed on the bottom surface of the inner container 100, which is beneficial to reducing the size of the dishwasher along the width direction, thereby reducing the space occupied by the dishwasher along the horizontal direction, meanwhile, the blower 200 is communicated with the air inlet 120 through the air inlet channel 500, the air inlet channel 500 may reduce the thickness along the width direction of the dishwasher according to the actual situation, and the blower 200 is disposed at the bottom without considering the volume problem, and the air inlet volume is not affected by the reduced volume.

Therefore, compared with the fan 200 arranged on the side wall of the inner container 100, the fan 200 arranged on the bottom surface of the inner container 100 does not affect the transverse size of the inner container 100, the fan 200 with larger power can be used, the air intake of the fan 200 is more favorably improved, and the size of the dishwasher along the width direction is favorably reduced, namely, the space occupied by the dishwasher along the horizontal direction is reduced.

In order to further improve the sterilization effect of the dishwasher during drying and prevent the dishware from being secondarily polluted by the outside air, as shown in fig. 4, the dishwasher according to the embodiment of the present invention further includes an air purification device 300 and a heating device 400, wherein the air purification device 300 and the heating device 400 are both disposed in the air intake channel 500, the air purification device 300 is used for purifying and sterilizing the air blown into the washing cavity 110 by the blower 200, and the heating device 400 is used for heating the air blown into the washing cavity 110 by the blower 200.

According to the dishwasher provided by the embodiment of the invention, as the air purification device 300 and the heating device 400 are arranged in the dishwasher, after the washing operation of the dishwasher is finished, the fan 200 can blow air to the washing cavity 110 in the inner container 100 to dry tableware in the washing cavity 110, the air blown into the washing cavity 110 by the fan 200 is purified and sterilized by the air purification device 300 to ensure that the tableware in the washing cavity 110 cannot be secondarily polluted, meanwhile, the air blown into the washing cavity 110 by the fan 200 generates hot air by the heating device 400 to dry the tableware in the washing cavity 110, and therefore, after the washing operation of the dishwasher is finished, the cleaning and drying in the washing cavity 110 are favorably ensured to ensure the sterilizing effect of the tableware.

In some embodiments, as shown in fig. 4, 5, and 6, the air purification apparatus 300 provided by the present application may employ a cold catalyst, also called a natural catalyst, which is a novel air purification material, and can perform a catalytic reaction at normal temperature, decompose a plurality of harmful and odorous gases into harmless and odorless substances at normal temperature and normal pressure, convert a simple physical adsorption into a chemical adsorption, decompose while adsorbing, remove harmful gases such as formaldehyde, benzene, xylene, and toluene, generate water and carbon dioxide, and thus purify and sterilize the air blown into the cleaning chamber 110 by the fan 200.

In addition, in the catalytic reaction process, the cold catalyst does not directly participate in the reaction, and the cold catalyst is not changed and lost after the reaction and plays a role for a long time. The cold catalyst is non-toxic, non-corrosive and non-combustible, the reaction product is water and carbon dioxide, no secondary pollution is generated, and the service life of the adsorption material is greatly prolonged.

In some embodiments, as shown in fig. 7, 8, and 9, the air purification apparatus 300 provided herein may also be an ionizer. The ion generator generates negative ions by using a method of boosting the power frequency voltage to the required voltage by using a high-voltage transformer, releases the negative ions into the surrounding air, and purifies the air through the negative ions, thereby realizing the purification and sterilization of the air blown into the cleaning cavity 110 by the fan 200.

It should be noted that the air purification apparatus 300 provided by the present application includes, but is not limited to, the above two apparatuses, and may also be other apparatuses or devices capable of performing air purification and sterilization, and therefore, the air purification apparatus 300 is not particularly limited.

On the basis, as shown in fig. 7, 8 and 9, the heating device 400 provided by the present application is a PTC heater, which is composed of a PTC ceramic heating element and an aluminum tube, and has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant temperature and power saving electric heater.

In addition, the PTC heater product adopts the U-shaped corrugated radiating fins, so that the radiating rate of the PTC heater is improved, the advantages of adhesion and mechanical type are integrated, various thermal and electrical phenomena of the PTC heater during working are fully considered, the binding force is strong, the heat conduction and radiating performance are excellent, the efficiency is high, and the PTC heater is safe and reliable. The PTC heater has the prominent characteristic of safety performance, namely, when the fan 200 stops due to a fault, the PTC heater can automatically and rapidly reduce the power because the PTC heater cannot fully dissipate heat, and the surface temperature of the heater is maintained at about the Curie temperature (generally about 250 ℃), so that the phenomenon of 'red' on the surface of an electric heating tube heater can not be generated, and scalding, fire disasters and other situations can be avoided.

On the basis, in order to collect the condensed water generated in the air intake channel 500, as shown in fig. 7, 8 and 9, a concave groove 510 is provided at the bottom of the air intake channel 500 according to the embodiment of the present invention. Because the comdenstion water that produces on inlet air channel 500's inside can flow downwards along inlet air channel 500's inner wall, consequently, forms recessed cell body 510 in inlet air channel 500's bottom, then can collect the comdenstion water, the comdenstion water on the inlet air channel 500 inner wall all flows into in the cell body 510 promptly to can avoid comdenstion water and electrical components to contact, be favorable to eliminating the potential safety hazard.

In addition, in order to avoid excessive condensation, as shown in fig. 7, 8 and 9, the sidewall of the trough 510 according to the embodiment of the present invention is provided with an overflow hole 520. When the amount of the condensed water is large, the condensed water can flow out of the overflow hole 520, so that the condensed water can be ensured not to influence the work of other electrical components.

And, when the condensed water is less, the hot wind formed by the wind blown by the fan 200 after being heated by the heating device 400 can be blown into the lower space of the inner container 100 through the overflow hole 520, so that the bottom of the dishwasher can be ensured to be dry, and further the damage of the electrical components at the bottom of the dishwasher caused by air humidity is avoided.

The dishwasher according to the embodiment of the present invention further includes a base (not shown in the figure), the inner container 100 is disposed on the base, and the base is provided with an overflow alarm mechanism. When the condensed water in the air inlet channel 500 is too much due to a fault, the condensed water can flow into the base through the overflow hole 520, and when the water level in the base triggers the overflow alarm mechanism, the overflow alarm mechanism can send out an alarm signal, so that a user is reminded to handle the condensed water in time, and the danger is avoided.

In some embodiments, the alarm form of the overflow alarm mechanism provided by the present application may be various, for example, the dishwasher control system may cut off the power supply and send an audible and visual alarm signal, may cut off the water supply and the power supply and send an audible and visual alarm signal, and may remind the user through a wireless transmission signal to a terminal of the user (the terminal may be a mobile phone, a tablet, or the like), and therefore, the alarm form of the overflow alarm mechanism is not specifically limited.

In some embodiments, the overflow alarm mechanism provided by the present application may employ a float and a microswitch, that is, a microswitch and a float are disposed in the base, when the water level in the base rises, the float rises with the water level, and when the float triggers the microswitch, the overflow alarm mechanism sends an alarm signal.

In some embodiments, the overflow alarm mechanism provided by the present application may also be a sensor, and the sensor is provided with two contacts, so that when water rises to contact with the contacts on the sensor, the two contacts can be connected, and the overflow alarm mechanism sends an alarm signal.

In the application, all parts or assemblies capable of monitoring the water level can be used as the overflow alarm mechanism, so that the specific structure of the overflow alarm mechanism is not limited.

On this basis, as shown in fig. 1 and 10, the dishwasher according to the embodiment of the present invention further includes a breather 600, the breather 600 is disposed on the outer wall of the inner tub 100, and the inlet of the breather 600 is communicated with the air outlet 130. That is, the vapor inside the cleaning chamber 110 enters the breather 600 through the air outlet 130 and is exhausted through the breather 600, thereby facilitating the equalization of the air pressure inside and outside the cleaning chamber 110.

In addition, because the respirator 600 is arranged on the outer wall of the inner container 100, namely hidden inside the shell of the dish washer (or inside the cabinet), the steam exhausted by the respirator 600 cannot directly contact the user, so that the user is prevented from being scalded, and the potential safety hazard is eliminated.

In order to collect the condensed water generated at the outlet of the respirator 600, as shown in fig. 1, 10 and 11, the outlet of the respirator 600 provided by the embodiment of the present invention is provided with a water collecting member 700, and the water collecting member 700 is used for returning the condensed water to the respirator 600. Because the steam temperature of exhaust in the respirator 600 is higher, when steam was discharged, steam and the outside air contact can be cooled down and form the comdenstion water, make the comdenstion water that forms flow back to in the respirator 600 through water-collecting piece 700 to flow into through respirator 600 and wash chamber 110, discharge through the drainage system who washs in the chamber 110 at last, thereby can avoid the comdenstion water to flow outside inner bag 100, and then avoid appearing the comdenstion water and damage the condition of other electrical apparatus parts.

In some embodiments, the present disclosure provides a non-exclusive connection between the water collection member 700 and the respirator 600, and the two can be fixed by a fastener such as a screw; a clamping structure can also be formed by arranging a buckle and a clamping hole between the water collecting piece 700 and the respirator 600, so that the water collecting piece 700 and the respirator 600 are clamped with each other; therefore, the manner of connection between the water collection member 700 and the respirator 600 is not particularly limited.

In some embodiments, as shown in fig. 12, 13, and 14, the water collecting member 700 provided by the present application includes a body 710, an exhaust passage 711 is formed inside the body 710, a side wall of the body 710 in a vertical direction is provided with an exhaust port 720, the exhaust port 720 is communicated with the exhaust passage 711, a lower edge of the exhaust port 720 is provided with an inner condensation wall 730, the inner condensation wall 730 extends toward an inner side of the exhaust passage 711, a protrusion 740 is provided on the side wall of the body 710 on which the exhaust port 720 is provided, the protrusion 740 is provided on a lower side of the exhaust port 720, a water collecting groove 741 is provided on an upward surface of the protrusion 740, a through hole 742 is provided in the water collecting groove 741, and the through hole 742 is communicated with the exhaust passage 711.

As shown in fig. 12, 13 and 14, in the respirator 600 provided by the present application, steam flows to the exhaust port 720 along the exhaust passage 711 inside the body 710, the steam generates condensed water at the exhaust port 720 based on the outside air, the condensed water is generated on the inner condensation wall 730 and the top surface of the body 710, and of the condensed water, the condensed water on the top surface of the body 710 drops, and the condensed water on the inner condensation wall 730 flows along the inner condensation wall 730, so that a part of the dropped condensed water directly drops into the exhaust passage 711 and a part of the dropped condensed water drops onto the inner condensation wall 730.

The condensed water on the upward surface of the inner condensation wall 730 among the condensed water on the inner condensation wall 730 may flow toward the inside of the exhaust duct 711 or may flow toward the outside, that is, the condensed water may be inclined upward or downward when the inner condensation wall 730 extends toward the inside of the exhaust duct 711, and may drop from the edge of the inner condensation wall 730 when the condensed water flows into the exhaust duct 711, and may flow along the outer wall of the main body 710 into the water collection groove 741 below the exhaust port 720 when the condensed water flows toward the outside of the exhaust duct 711, and may finally flow into the exhaust duct 711 through the through hole 742 in the water collection groove 741, so that the condensed water generated at the exhaust port 720 may flow back into the exhaust duct 711.

In some embodiments, as shown in fig. 12, 13 and 14, the water collecting member 700 provided by the present application further includes an outer condensation wall 750, the outer condensation wall 750 is disposed at an upper edge of the exhaust port 720, the outer condensation wall 750 extends to an outer side of the exhaust duct and is bent downward, and the outer condensation wall 750 is disposed above the water collecting groove 741. Since the condensed water drops at the lowest point of the condensation surface by bending the outer condensation wall 750 downward, the condensed water condensed on the top surface of the exhaust duct 711 flows along the outer condensation wall 750 and flows to the portion where the outer condensation wall 750 is bent downward, and the outer condensation wall 750 is disposed above the water collection groove 741, so that the condensed water drops in the water collection groove 741, and the condensed water on the top surface of the drain duct can be prevented from dropping on the inner condensation wall 730 and splashing to the surrounding area.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A dishwasher, comprising:

2. The dishwasher of claim 1, wherein the fan is disposed on the bottom surface of the inner container, an air inlet channel is disposed between the fan and the air inlet, and the air purifying device and the heating device are both disposed in the air inlet channel.

3. The dishwasher of claim 2, wherein the bottom of the air intake channel is provided with a concave trough body.

4. The dishwasher of claim 3, wherein the sidewall of the tank body is provided with an overflow hole.

5. The dishwasher of claim 4, further comprising:

6. The dishwasher according to any one of claims 1 to 5, wherein a breather is further arranged on the outer wall of the inner container, and an inlet of the breather is communicated with the air outlet.

7. The dishwasher of claim 6, wherein a water collecting member is provided at an outlet of the breather to allow condensed water to flow back into the breather.

8. The dishwasher of claim 7, wherein the water collecting member comprises:

9. The dishwasher of claim 7, wherein the water collection member further comprises:

10. The dishwasher according to any one of claims 1 to 5, wherein the air purifying device is a cold catalyst or an ionizer.