Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the drying device for the dish washing machine has the advantages of being good in drying effect, high in drying efficiency, high in energy utilization rate, small in occupied space, good in user experience and the like.
The invention also provides a dishwasher with the drying device for the dishwasher.
A drying device for a dishwasher according to an embodiment of a first aspect of the present invention includes: the dishwasher comprises a body, a first air duct and a second air duct, wherein the body is provided with a first air inlet and a first air outlet, the first air duct is suitable for being communicated with an inner container of the dishwasher, the first air outlet is communicated with the outside, and the second air duct is provided with a second air inlet and a second air outlet, the second air inlet is communicated with the outside, and the second air outlet is suitable for being communicated with the inner container; the heat exchanger is arranged on the body and is respectively communicated with the first air duct and the second air duct; the first fan is arranged in the first air channel, and the second fan is arranged in the second air channel.
The drying device for the dish washing machine, provided by the embodiment of the invention, has the advantages of good drying effect, high drying efficiency, high energy utilization rate, small occupied space and good user experience.
In addition, the drying device for the dishwasher according to the embodiment of the present invention has the following additional technical features:
according to some embodiments of the invention, a portion of the heat exchanger is located within the first air duct and another portion is located at the second air inlet.
Further, the first air duct includes a first transition section, a heat exchange section, and a device installation section in a direction from the first air inlet to the first air outlet, and the part of the heat exchanger is located in the heat exchange section and the first fan is located in the device installation section.
Advantageously, one end of the first transition section adjacent to the first air inlet is located above the first air inlet.
Optionally, the bottom of the heat exchange section is provided with a drain outlet for draining condensed water.
In some embodiments of the invention, the portion of the heat exchanger includes a plurality of first fins aligned along a width of the first air chute and each extending along a length of the first air chute; the other portion of the heat exchanger includes a plurality of second fins arranged along a length of the first air duct and each extending along a width of the first air duct.
Optionally, the heat exchanger further comprises: the heat exchange plate, it has the heat transfer chamber in the heat exchange plate, it is a plurality of first fin is located the heat transfer intracavity, it is a plurality of the second fin distributes in the relative both sides surface of heat exchange plate.
According to some embodiments of the invention, the first air inlet is disposed adjacent to the second fan and the second air outlet is disposed adjacent to the first fan.
According to some embodiments of the invention, the second air duct has a safety opening disposed adjacent to the second air outlet, and a poke is disposed at the safety opening and opens the safety opening to communicate the air outlet of the second fan with the second air outlet only when the second fan is operated.
Advantageously, the poking piece is rotatably arranged in the second air duct and is used for normally closing the safety opening under the action of self gravity.
According to some embodiments of the invention, the drying device for a dishwasher further comprises: and the heater is arranged in the second air channel and is positioned between the second fan and the second air outlet.
Further, the heater includes: heating plates; the third fins are arranged on the heating plate; and the temperature controller is connected with at least one of the heating plate and the third fin.
Advantageously, the portion of the second air duct between the heater and the second air outlet is curved.
According to some embodiments of the invention, a flow area of a portion of the second air duct between the heat exchanger and the second fan is gradually reduced in a direction from the heat exchanger to the second fan.
According to some embodiments of the invention, the body is provided with a stiffener, the stiffener being located between the first fan and the second fan.
According to some embodiments of the invention, there are air inlet gaps between the first fan and the wall surface of the first air duct and between the second fan and the wall surface of the second air duct, respectively.
The dishwasher according to an embodiment of the second aspect of the present invention includes: a housing; the inner container is arranged in the shell and is provided with an inlet and an outlet; the door body is arranged on the shell to open and close the inner container; according to the drying device for the dish-washing machine, the body is arranged on at least one of the inner container and the door body, the second air outlet is communicated with the inlet, and the first air inlet is communicated with the outlet.
According to the dishwasher provided by the embodiment of the invention, by utilizing the drying device for the dishwasher, the drying effect is good, the drying efficiency is high, the energy utilization rate is high, the occupied space is small, and the user experience is good.
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.
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.
A drying device 10 for a dishwasher according to an embodiment of the first aspect of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a drying device 10 for a dishwasher according to an embodiment of the present invention includes: the heat exchanger comprises a body 100, a heat exchanger 200, a first fan 310 and a second fan 320.
Specifically, the body 100 has a first air duct 110 and a second air duct 120. The first air duct 110 has a first air inlet 111 and a first air outlet 112, the first air inlet 111 is suitable for communicating with the inner container of the dishwasher, and the first air outlet 112 communicates with the outside; the second air duct 120 has a second air inlet 121 and a second air outlet 122, the second air inlet 121 is communicated with the outside, and the second air outlet 122 is suitable for being communicated with the inner container. The heat exchanger 200 is disposed on the body 100, and the heat exchanger 200 is respectively communicated with the first air duct 110 and the second air duct 120. The first fan 310 is disposed in the first air duct 110, and the second fan 320 is disposed in the second air duct 120.
Therefore, the first fan 310 controls the water vapor in the inner container to enter the first air duct 110 through the first air inlet 111, and the water vapor is finally discharged into the external environment after being subjected to heat exchange with the heat exchanger 200; meanwhile, the second fan 320 draws air from the external environment through the second air inlet 121, so that the air flows into the inner container from the second air outlet 122 after exchanging heat with the heat exchanger 200. Like this, the gas that contains water vapor condenses when flowing through heat exchanger 200, and the heat of giving off is absorbed by the outside air that flows through heat exchanger 200, promptly, utilizes the heat of water vapor to heat the outside air, utilizes the outside air to condense water vapor to can utilize finite space configuration drying system, and fully retrieve the heat of water vapor, and produce hot-blast drying effect.
In summary, according to the drying device 10 for the dish washing machine of the embodiment of the present invention, the water vapor in the inner container can be extracted and condensed by using the external air, and the external air is heated by using the heat generated by the condensation of the water vapor and then introduced into the inner container, so as to gradually replace the water vapor by the hot and dry air, and the drying device can solve the technical problems in the related art, and has the advantages of good drying effect, high drying efficiency, high energy utilization rate, small occupied space and good user experience.
According to some embodiments of the present invention, as shown in FIG. 1, a portion of the heat exchanger 200 is located within the first air duct 110, and another portion of the heat exchanger 200 is located at the second air intake 121. In this way, the water vapor in the first air duct 110 may exchange heat with the one portion of the heat exchanger 200, and the external air may exchange heat with the other portion of the heat exchanger 200, so that the external air and the water vapor in the first air duct 110 may exchange energy, and the occupied space may be reduced.
Further, as shown in fig. 1, the first air duct 110 includes a first transition section 113, a heat exchange section 114 and a device installation section 115 in a direction from the first air inlet 111 to the first air outlet 112, the portion of the heat exchanger 200 is located in the heat exchange section 114, and the first fan 310 is located in the device installation section 115. That is, the portion of the heat exchanger 200 is located upstream of the first fan 310 in the air flow direction, so that the heat exchange is more sufficient and the drying effect is better.
Advantageously, as shown in fig. 1, the first transition section 113 is used to communicate the first air inlet 111 and the heat exchange section 114, the highest position of the first transition section 113 is higher than the highest position of the first air inlet 111, for example, one end of the first transition section 113 adjacent to the first air inlet 111 is located above the first air inlet 111, the air flow gradually flows upwards from the first air inlet 111 to the first transition section 113, and the air flow gradually flows downwards from the first transition section 113 to the heat exchange section 114. In this way, the water in the washing process can be prevented from directly entering the heat exchanger 200 from the first air inlet 111.
Alternatively, as shown in fig. 1, one end of the heat exchange section 114 adjacent to the device mounting section 115 is arc-shaped, and the bottom of the heat exchange section 114 is provided with a drain outlet 116 for draining condensed water accumulated at the bottom of the heat exchange section 114. For example, a water storage tank may be disposed at the bottom of the heat exchange section 114 for storing the condensed water, a drain 116 is disposed in the water storage tank, the drain 116 is connected to a hose, and the hose is used to smoothly guide the condensed water out to a cup or a drain pipe.
In some embodiments of the present invention, as shown in FIG. 3, the portion of the heat exchanger 200 includes a plurality of first fins 210, the plurality of first fins 210 being arranged along a width direction of the first air chute 110, each of the first fins 210 extending along a length direction of the first air chute 110. The another portion of the heat exchanger 200 includes a plurality of second fins 220, the plurality of second fins 220 being arranged along a length direction of the first air chute 110, each second fin 220 extending along a width direction of the first air chute 110. For example, the plurality of first fins 210 are connected to each other to form a corrugated shape, and the plurality of second fins 220 are connected to each other to form a corrugated shape.
Wherein the plurality of second fins 220 may be arranged in two layers on the plurality of first fins 210. That is, the heat exchanger 200 includes a plurality of first fins 210 located at the middle layer and a plurality of second fins 220 located at opposite sides of the middle layer, respectively, such that the gas containing water vapor is condensed when passing through the plurality of first fins 210 located at the middle layer, the emitted heat is transferred to the two layers of second fins 220 located at the outer side, and the external air absorbs heat when passing through the second fins 220, thereby implementing heat and cold exchange, and then the external air is introduced into the inner container.
Advantageously, as shown in fig. 3, the heat exchanger 200 further includes a heat exchange plate 230, wherein the heat exchange plate 230 has a heat exchange cavity therein, a plurality of first fins 210 are disposed in the heat exchange cavity, and a plurality of second fins 220 are distributed on two opposite side surfaces of the heat exchange plate 230. That is, the first fins 210 located in the middle layer and the two second fins 220 are separated by the heat exchange plates 230, respectively, to improve the heat exchange effect. For example, the heat exchange plate 230 is a metal piece, and the surfaces of the heat exchange plate 230 facing the first fin 210 and the second fin 220 are both planar.
It is to be understood that the number of layers of the first fins 210 and the second fins 220 is not particularly limited, and the number of layers of the first fins 210 into which water vapor is introduced and the number of layers of the second fins 220 into which outside air is introduced are not particularly limited as long as the extending directions of the first fins 210 and the second fins 220 do not obstruct the flow of the air current.
According to some embodiments of the invention, the drying apparatus 10 for a dishwasher further comprises: the heater 400 is arranged on the second air duct 120, and the heater 400 is arranged between the second fan 320 and the second air outlet 122 so as to heat the airflow entering the inner container, thereby playing a role of hot air drying and enhancing the drying effect. For example, the heater 400 may be a PTC heater, and the heater 400 may be turned on when rapid and efficient drying is required and turned off when an economical drying mode is required.
Specifically, the heater 400 includes a heating plate 410, a third fin 420, a thermostat 430, and a wiring harness 440. A plurality of third fins 420 are provided to the heating plate 410, and for example, the plurality of third fins 420 may be connected to each other to form a corrugated shape. The temperature controller 430 is connected to at least one of the heating plate 410 and the third fin 420, that is, the temperature controller 430 may be connected to the heating plate 410 or the third fin 420, and the temperature controller 430 may also be connected to the heating plate 410 and the third fin 420, respectively. The wire harness 440 is connected to the heating plate 410 to achieve heating of the heating plate 410.
When the heater 400 is turned on, the temperature of the heating plate 410 rises and transfers heat to the third fins 420, and the external air flows through the third fins 420 and takes away heat, and then enters the inner container from the second air outlet 122, thereby realizing hot air drying. The first fin 210, the second fin 220, and the third fin 420 may be all metal members, so as to ensure a good heat exchange effect.
According to some embodiments of the present invention, as shown in fig. 1, the second air duct 120 has a safety vent 123, the safety vent 123 is disposed adjacent to the second air outlet 122, a dial 130 is disposed at the safety vent 123, and the dial 130 opens the safety vent 123 to communicate with the air outlet of the second fan 320 and the second air outlet 122 only when the second fan 320 is operated, for example, the safety vent 123 is disposed between the heater 400 and the second air outlet 122, so that water vapor in a washing process can be effectively prevented from entering the second fan 320 and the heater 400 from the second air outlet 122 when the second fan 320 is not operated.
In some embodiments of the present invention, as shown in fig. 1, the portion of the second air channel 120 between the heater 400 and the safety vent 123 is arc-shaped to reduce the flow resistance of the air and facilitate smooth flow of the air.
Advantageously, as shown in fig. 1, the pick 130 is rotatably disposed in the second air duct 120, and the pick 130 normally closes the safety opening 123 under its own weight. Thus, when the second fan 320 is not operated, the poking sheet 130 closes the safety opening 123 under the action of the gravity of the poking sheet; when the second fan 320 is operated, the poking sheet 130 is blown by the airflow under the action of the wind to open the safety port 123, so that the airflow can enter the inner container from the second air outlet 122.
According to some embodiments of the present invention, as shown in fig. 1, the body 100 is provided with a reinforcing rib 140, and the reinforcing rib 140 is located between the first fan 310 and the second fan 320 to reduce vibration when the first fan 310 and the second fan 320 operate.
According to some embodiments of the present invention, as shown in fig. 1, the first intake vent 111 is disposed adjacent to the second fan 320 and the second exhaust vent 122 is disposed adjacent to the first fan 310. Advantageously, the second fan 320 is disposed adjacent to the heat exchanger 200, so that the limited space can be fully utilized, the layout is reasonable, the drying efficiency is high, and the drying effect is good.
In some embodiments of the present invention, as shown in fig. 1, the flow area of the portion of the second air duct 120 between the heat exchanger 200 and the second fan 320 is gradually decreased along the direction from the heat exchanger 200 to the second fan 320 to facilitate the air suction of the second fan 320.
According to some embodiments of the present invention, as shown in fig. 2, there are air inlet gaps between the first fan 310 and the wall of the first air duct 110, and between the second fan 320 and the wall of the second air duct 120. An air inlet gap between the first fan 310 and the wall surface of the first air duct 110 is communicated with the first air duct 110, so that the first fan 310 can conveniently suck air; the air inlet gap between the second fan 320 and the wall surface of the second air duct 120 is respectively communicated with the second air duct 120 and the two layers of the second fins 220, so that the second fan 320 can conveniently suck air.
As shown in fig. 1 to 5, a dishwasher 1 according to a second aspect of the present invention includes: a housing, an inner container 20, a door body and a drying device 10 for a dishwasher according to an embodiment of the first aspect of the present invention.
Specifically, the inner container 20 is provided in the housing, and the inner container 20 has an inlet 21 and an outlet 22. The door body is mounted to the case to open and close the inner container 20. The body 100 is mounted on one side of the inner container 20 or on the top of the inner container 20 by a fastener 23, the second air outlet 122 is communicated with the inlet 21, and the first air inlet 111 is communicated with the outlet 22. Of course, the main body 100 may be attached to the door, or the main body 100 may be attached to the door and the inner container 20.
Wherein, the inlet 21 is adjacent to the bottom wall of the inner container 20, the outlet 22 is adjacent to the top end of the inner container 20, the fastening member 23 can be a screw cap, and the sealing rings 24 are respectively disposed between the second air outlet 122 and the inlet 21 and between the first air inlet 111 and the outlet 22.
In the drying stage, the first fan 310 and the second fan 320 are turned on, and due to the suction force of the first fan 310, the water vapor in the inner container 20 is pumped out from the outlet 22, and the airflow enters the first transition section 113 from the first air inlet 111, flows through the first fin 210 and the first fan 310 respectively, and is finally discharged through the first air outlet 112; meanwhile, the second fan 320 draws the external air, and the external air flows through the second fins 220, condenses the water vapor flowing through the first fins 210, flows through the second fan 320 and the heater 400, and flows into the inner container 20 from the second air outlet 122.
According to the dishwasher 1 of the embodiment of the present invention, by using the drying device 10 for the dishwasher as described above, the drying effect is good, the drying efficiency is high, the energy utilization rate is high, the occupied space is small, and the user experience is good.
Other constructions and operations of the dishwasher 1 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, 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; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication 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.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "a specific embodiment," "an example" or "some examples" or the like are intended to 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.