WO2019141187A1 - 用于洗碗机的干燥装置和洗碗机 - Google Patents

用于洗碗机的干燥装置和洗碗机 Download PDF

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Publication number
WO2019141187A1
WO2019141187A1 PCT/CN2019/071965 CN2019071965W WO2019141187A1 WO 2019141187 A1 WO2019141187 A1 WO 2019141187A1 CN 2019071965 W CN2019071965 W CN 2019071965W WO 2019141187 A1 WO2019141187 A1 WO 2019141187A1
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WO
WIPO (PCT)
Prior art keywords
air
fan
air outlet
heat exchanger
dishwasher according
Prior art date
Application number
PCT/CN2019/071965
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English (en)
French (fr)
Inventor
吴建清
朱喜青
蔡思琦
Original Assignee
佛山市顺德区美的洗涤电器制造有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810044426.5A external-priority patent/CN108209831B/zh
Priority claimed from CN201820080936.3U external-priority patent/CN208435587U/zh
Priority claimed from CN201810044410.4A external-priority patent/CN108078528B/zh
Priority claimed from CN201820080895.8U external-priority patent/CN208435586U/zh
Application filed by 佛山市顺德区美的洗涤电器制造有限公司, 美的集团股份有限公司 filed Critical 佛山市顺德区美的洗涤电器制造有限公司
Priority to EP19740789.3A priority Critical patent/EP3741286A4/en
Publication of WO2019141187A1 publication Critical patent/WO2019141187A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/483—Drying arrangements by using condensers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/486—Blower arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/488—Connections of the tub with the ambient air, e.g. air intake or venting arrangements

Definitions

  • the application is based on the Chinese patent application with the application number 201810044410.4, the application date is January 17, 2018, the application number is 201820080895.8, the application date is January 17, 2018, the application number is 201810044426.5, and the application date is 2018.
  • the present invention relates to the field of dishwasher technology, and in particular to a drying device for a dishwasher and a dishwasher having the drying device for a dishwasher.
  • the inner liner is usually dried by a drying technique such as automatic door opening, moisture extraction or zeolite drying, that is, water vapor in the inner liner and the tableware after the washing is finished.
  • a drying technique such as automatic door opening, moisture extraction or zeolite drying, that is, water vapor in the inner liner and the tableware after the washing is finished.
  • the automatic door drying technology is to open the door at a certain angle after the washing, so that the water vapor accumulated in the inner tank is quickly discharged.
  • the door is not closed manually after opening the door, mosquitoes or dust will enter the inner tank and contaminate the tableware. , affecting the user experience.
  • the moisture drying technology adopts a fan to extract and discharge the water vapor in the inner tank to the outside of the inner tank, and uses the residual temperature of the tableware to dry, but the extraction process is slow, the drying efficiency of the tableware is low, and the discharged steam is in the cabinet or Condensation on the ground not only affects the senses, but also easily erodes the cabinets; and the condensation of moisture in the ducts wastes a lot of heat, and the extraction process is slow, and the drying efficiency of the tableware is low.
  • the zeolite drying technology extracts the water vapor in the inner tank and flows it through a drying oven containing zeolite, which is absorbed by the zeolite and then discharged into the inner tank.
  • a drying oven containing zeolite which is absorbed by the zeolite and then discharged into the inner tank.
  • the space occupied by the zeolite cavity, the fan and the heating module is larger.
  • the zeolite has an odor that affects the user experience.
  • the present invention aims to solve at least one of the technical problems existing in the prior art.
  • the present invention provides a drying device for a dishwasher, which has a good drying effect, high drying efficiency, high energy utilization rate, small footprint, good user experience, and the like. advantage.
  • the invention also proposes a dishwasher having the drying device for a dishwasher.
  • a drying apparatus for a dishwasher includes: a body having a first air passage and a second air passage, the first air passage having a first air inlet and a first An air outlet, the second air duct has a second air inlet and a second air outlet, the first air inlet is adapted to communicate with a liner of the dishwasher, and the second air inlet is connected to the outside; a heat exchanger, the heat exchanger is disposed on the body and is respectively connected to the first air passage and the second air passage; a first fan and a second fan, wherein the first fan is disposed at the first In the air duct, the second fan is disposed in the second air duct, wherein one of the first air outlet and the second air outlet is in communication with the outside and the other is adapted to communicate with the inner tank.
  • the drying device for a dishwasher has good drying effect, high drying efficiency, high energy utilization rate, small occupied space, and good user experience.
  • drying apparatus for a dishwasher has the following additional technical features:
  • a portion of the heat exchanger is located within the first air duct and another portion is located at the second air inlet.
  • the first air passage includes a first transition section, a heat exchange section, and a device mounting section in a direction from the first air inlet to the first air outlet, the heat exchange A portion of the device is located in the heat exchange section and the first fan is located in the device mounting section.
  • an end of the first transition section adjacent to the first air inlet is located above the first air inlet.
  • the bottom of the heat exchange section is provided with a drain for draining condensate.
  • the first air passage includes the first transition section, the heat exchange section, the second transition section, and the device in a direction from the first air inlet to the first air outlet a mounting section, the second transition section extending obliquely upward from the heat exchange section with respect to a vertical direction.
  • the portion of the heat exchanger includes a plurality of first fins, and the plurality of the first fins are arranged along a width direction of the first air passage and each of the The first fin extends along a length of the first air duct; the other portion of the heat exchanger includes a plurality of second fins along a plurality of the second air ducts along the first air passage The lengthwise direction is arranged and each of the second fins extends in the width direction of the first air passage.
  • the heat exchanger further includes: a heat exchange plate having a heat exchange chamber therein, wherein the plurality of the first fins are disposed in the heat exchange chamber, and the plurality of the second The fins are distributed on opposite side surfaces of the heat exchange plate.
  • the first air passage has a safety port disposed adjacent to the first air outlet, and the safety port is provided with a paddle, and the paddle is only when the first fan is running. Opening the safety port to communicate with the air outlet of the first fan and the first air outlet, or the second air channel has a safety port disposed adjacent to the second air outlet, where the safety port is provided There is a paddle that opens the safety port only when the second fan is running to communicate the air outlet of the second fan and the second air outlet.
  • the paddle is rotatably disposed in the first air duct or the second air duct and often closes the safety port under the action of its own gravity.
  • the drying apparatus for a dishwasher further includes: a heater disposed at the first air duct and located at the first fan and the first air outlet Between or, the heater is disposed in the second air duct and located between the second fan and the second air outlet.
  • a flow area of a portion of the second air passage between the heat exchanger and the second fan is gradually decreased in a direction from the heat exchanger to the second fan small.
  • an air intake gap is respectively provided between the first fan and the wall surface of the first air passage, and between the second fan and the wall surface of the second air duct.
  • the first air outlet is in communication with the outside, and the second air outlet is adapted to communicate with the inner bladder.
  • first air inlet is disposed adjacent to the second fan and the second air outlet is disposed adjacent to the first fan.
  • the first air outlet is adapted to communicate with the inner bladder, and the second air outlet is in communication with the outside.
  • first air inlet and the first air outlet are respectively disposed away from a center of the body, and the first fan and the second fan are respectively disposed adjacent to a center of the body.
  • a dishwasher includes: a casing; a casing, the casing is disposed in the casing and has an inlet and an outlet; and a door body, the door body is mounted to the casing To open and close the inner casing; according to the drying apparatus for a dishwasher according to the first aspect of the invention, the body is mounted to at least one of the inner casing and the door body, The other of the first air outlet and the second air outlet is in communication with the inlet, and the first air inlet is in communication with the outlet.
  • 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.
  • FIG. 1 is a cross-sectional view of a drying apparatus for a dishwasher according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a drying device for a dishwasher according to an embodiment of the present invention
  • FIG. 3 is a perspective view of a heat exchanger for a drying apparatus of a dishwasher according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a heater for a drying device of a dishwasher according to an embodiment of the present invention
  • Figure 5 is an exploded view of a dishwasher in accordance with an embodiment of the present invention.
  • Figure 6 is a cross-sectional view of a drying apparatus for a dishwasher in accordance with an alternative embodiment of the present invention.
  • Figure 7 is a schematic structural view of a drying apparatus for a dishwasher according to an alternative embodiment of the present invention.
  • Figure 8 is a perspective view of a heat exchanger for a drying apparatus of a dishwasher in accordance with an alternative embodiment of the present invention.
  • Figure 9 is a schematic structural view of a heater for a drying device of a dishwasher according to an alternative embodiment of the present invention.
  • Figure 10 is an exploded view of a dishwasher in accordance with an alternative embodiment of the present invention.
  • first air duct 110 a first air inlet 111, a first air outlet 112, a first transition section 113, a heat exchange section 114, a device mounting section 115, and a second transition section 116,
  • a second air duct 120 a second air inlet 121, a second air outlet 122,
  • Heat exchanger 200 first fin 210, second fin 220, heat exchanger plate 230,
  • the liner 20 the inlet 21, the outlet 22, the fastener 23, and the sealing ring 24.
  • a drying apparatus 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.
  • a drying apparatus 10 for a dishwasher includes a body 100, a heat exchanger 200, a first fan 310, and a second fan 320.
  • the body 100 has a first air passage 110 and a second air passage 120.
  • the first air duct 110 has a first air inlet 111 and a first air outlet 112, and the first air inlet 111 is adapted to communicate with the inner tank of the dishwasher.
  • the second air passage 120 has a second air inlet 121 and a second air outlet 122, and the second air inlet 121 communicates with the outside.
  • the heat exchanger 200 is disposed on the body 100, and the heat exchanger 200 is in communication with the first air passage 110 and the second air passage 120, respectively.
  • the first fan 310 is disposed in the first air duct 110
  • the second fan 320 is disposed in the second air duct 120.
  • the first air outlet 112 is in communication with the outside, and the second air outlet 122 is adapted to communicate with the inner tank of the dishwasher.
  • the first fan 310 controls the water vapor in the inner tank to enter the first air passage 110 through the first air inlet 111, and after being exchanged with the heat exchanger 200, finally discharged into the external environment; at the same time, the second The fan 320 extracts air from the external environment through the second air inlet 121, and exchanges air with the heat exchanger 200 to flow into the inner tank from the second air outlet 122.
  • the water vapor-containing gas condenses as it flows through the heat exchanger 200, and the released heat is absorbed by the outside air flowing through the heat exchanger 200, that is, the heat of the water vapor is used to heat the outside air, and the outside air is used to the water.
  • the steam is condensed so that the drying system can be configured with a limited space, and the heat of the water vapor is sufficiently recovered, and a hot air drying effect is produced.
  • the first air outlet 112 is adapted to communicate with the inner bladder, and the second air outlet 122 is in communication with the outside.
  • the first fan 310 controls the water vapor in the inner tank to enter the first air passage 110 through the first air inlet 111, and after flowing through the heat exchange with the heat exchanger 200, flows into the inner tank from the first air outlet 112;
  • the second fan 320 extracts air from the external environment through the second air inlet 121, and then heats the air and the heat exchanger 200 to be finally discharged into the external environment.
  • the water vapor-containing gas condenses as it flows through the heat exchanger 200, and the released heat is absorbed by the outside air flowing through the heat exchanger 200, that is, the water vapor is condensed by the outside air, so that the drying can be performed in a limited space. system.
  • the drying device 10 for a dishwasher can extract water vapor in the inner tank and condense it with outside air, and heat the heat released by the condensation of water vapor.
  • the outside air is introduced into the inner tank, so that the dry hot air gradually replaces the water vapor, which can solve the technical problems existing in the related art, has good drying effect, high drying efficiency, high energy utilization rate and small occupied space.
  • User experience is good.
  • the gas having reduced humidity into the inner tank, the purpose of continuously reducing the humidity of the gas in the inner liner is achieved, and the drying effect is improved, and the drying process also avoids the gas containing water vapor on the cabinet or the ground. Condensation to enhance the user experience.
  • a drying apparatus 10 for a dishwasher according to an embodiment of the present invention will now be described with reference to the accompanying drawings.
  • a drying apparatus 10 for a dishwasher includes a body 100, a heat exchanger 200, a first fan 310, and a second fan 320.
  • the body 100 has a first air passage 110 and a second air passage 120.
  • the first air duct 110 has a first air inlet 111 and a first air outlet 112.
  • the first air inlet 111 is adapted to communicate with the inner chamber of the dishwasher, and the first air outlet 112 communicates with the outside;
  • the second air duct 120 has the first The second air inlet 121 and the second air outlet 122 communicate with the outside, and the second air outlet 122 is adapted to communicate with the inner tank.
  • the heat exchanger 200 is disposed on the body 100, and the heat exchanger 200 is in communication with the first air passage 110 and the second air passage 120, respectively.
  • the first fan 310 is disposed in the first air duct 110
  • the second fan 320 is disposed in the second air duct 120.
  • the first fan 310 controls the water vapor in the inner tank to enter the first air passage 110 through the first air inlet 111, and after being exchanged with the heat exchanger 200, finally discharged into the external environment; at the same time, the second The fan 320 extracts air from the external environment through the second air inlet 121, and exchanges air with the heat exchanger 200 to flow into the inner tank from the second air outlet 122.
  • the water vapor-containing gas condenses as it flows through the heat exchanger 200, and the released heat is absorbed by the outside air flowing through the heat exchanger 200, that is, the heat of the water vapor is used to heat the outside air, and the outside air is used to the water.
  • the steam is condensed so that the drying system can be configured with a limited space, and the heat of the water vapor is sufficiently recovered, and a hot air drying effect is produced.
  • the drying device 10 for a dishwasher can extract water vapor in the inner tank and condense it with outside air, and heat the heat released by the condensation of water vapor.
  • the outside air is introduced into the inner tank, so that the dry hot air gradually replaces the water vapor, which can solve the technical problems existing in the related art, has good drying effect, high drying efficiency, high energy utilization rate and small occupied space. User experience is good.
  • 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 inlet 121.
  • the water vapor in the first air passage 110 can exchange heat with the portion of the heat exchanger 200, and the outside air can exchange heat with the other portion of the heat exchanger 200, thereby making the outside air and the first air
  • the water vapor in the duct 110 exchanges energy and reduces the occupied space.
  • the first air passage 110 includes a first transition section 113 , a heat exchange section 114 , and a device mounting section 115 in a direction from the first air inlet 111 to the first air outlet 112 , the heat exchanger
  • the portion of 200 is located in heat exchange section 114 and first fan 310 is located in device mounting section 115. That is to say, in the direction of the gas flow, the portion of the heat exchanger 200 is located upstream of the first fan 310, so that the heat exchange is more sufficient and the drying effect is better.
  • the first transition section 113 is configured to communicate the first air inlet 111 and the heat exchange section 114, and the position of the first transition section 113 is higher than the highest position of the first air inlet 111, for example, for example.
  • An end of the first transition section 113 adjacent to the first air inlet 111 is located above the first air inlet 111, and the airflow gradually flows upward from the first air inlet 111 to the first transition section 113, from the first transition section 113 to the heat exchange Segment 114 flows gradually downward. In this way, it is possible to prevent water in the washing process from entering the heat exchanger 200 directly from the first air inlet 111.
  • one end of the heat exchange section 114 adjacent to the device mounting section 115 is curved, and the bottom of the heat exchange section 114 is provided with a drain port 101 for condensing accumulated at the bottom of the heat exchange section 114.
  • the water is drained.
  • a water storage tank may be disposed at the bottom of the heat exchange section 114 for storing condensed water
  • the drain port 101 is disposed in the water storage tank
  • the water outlet 101 is connected with a hose
  • the condensed water is smoothly exported to the water cup or the drain by a hose. In the pipeline.
  • the portion of the heat exchanger 200 includes a plurality of first fins 210, and the plurality of first fins 210 are arranged along the width direction of the first air passage 110. Each of the first fins 210 extends along the length direction of the first air passage 110.
  • the other portion of the heat exchanger 200 includes a plurality of second fins 220 arranged along the length of the first air duct 110, each of the second fins 220 along the first air duct 110 Extends in the width direction.
  • the plurality of first fins 210 are connected to each other to form a corrugated shape
  • the plurality of second fins 220 are connected to each other to form a corrugated shape.
  • 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 in the intermediate layer, and a plurality of second fins 220 respectively located on opposite sides of the intermediate layer, such that the vapor-containing gas flows through the intermediate layer.
  • the plurality of first fins 210 are condensed, the released heat is transferred to the two second fins 220 located on the outer side, and the outside air flows through the second fins 220 to absorb heat, thereby achieving cold and heat exchange, and then the outside air is introduced again. Liner.
  • the heat exchanger 200 further includes a heat exchange plate 230 having a heat exchange chamber therein, a plurality of first fins 210 disposed in the heat exchange chamber, and a plurality of second fins 220 is distributed on opposite side surfaces of the heat exchange plate 230. That is, the first fin 210 located in the intermediate layer and the two second layer fins 220 are respectively separated by the heat exchange plate 230 to improve the heat exchange effect.
  • the heat exchange plate 230 is a metal member, and the surfaces of the heat exchange plate 230 facing the first fin 210 and the second fin 220 are both planar.
  • the number of layers of the first fin 210 and the second fin 220 is not particularly limited, and the number of layers of the first fin 210 into which the water vapor is introduced and the number of layers of the second fin 220 introduced by the outside air are not special.
  • the limitation is that the direction in which the first fins 210 and the second fins 220 are extended does not hinder the flow of the airflow.
  • the drying apparatus 10 for a dishwasher further includes a heater 400 disposed on the second air duct 120, and the heater 400 is located at the second fan 320 and the second air outlet 122. Between the two, the airflow that is about to enter the inner tank is heated, and the hot air is dried to enhance the drying effect.
  • the heater 400 can be a PTC heating element that can be turned on when it is desired to dry quickly and efficiently, and the heater 400 to be turned off when an economical drying mode is required.
  • the heater 400 includes a heating plate 410, a third fin 420, a thermostat 430, and a wire harness 440.
  • a plurality of third fins 420 are disposed on the heating plate 410.
  • the plurality of third fins 420 may be connected to each other to form a corrugated shape.
  • the thermostat 430 is coupled to at least one of the heating plate 410 and the third fin 420, that is, the thermostat 430 may be coupled to the heating plate 410 or the third fin 420, and the thermostat 430 may also be coupled to the heating plate 410, respectively. It is connected to the third fin 420.
  • the wire harness 440 is connected to the heating plate 410 to effect heating of the heating plate 410.
  • the first fin 210, the second fin 220 and the third fin 420 may all be metal parts to ensure a good heat exchange effect.
  • the second air duct 120 has a safety port 102, and the safety port 102 is disposed adjacent to the second air outlet 122.
  • the safety port 102 is provided with a paddle 130, and the paddle 130 is only When the second fan 320 is in operation, the safety port 102 is opened to communicate the air outlet of the second fan 320 and the second air outlet 122.
  • the safety port 102 is disposed between the heater 400 and the second air outlet 122 so as to be in the second When the fan 320 is not in operation, the water vapor in the washing process is effectively prevented from entering the second fan 320 and the heater 400 from the second air outlet 122.
  • the portion of the second air passage 120 between the heater 400 and the safety port 102 is curved to reduce the flow resistance of the gas and facilitate the smoothness of the gas. flow.
  • the paddle 130 is rotatably disposed within the second air duct 120, and the paddle 130 normally closes the safety port 102 under its own weight.
  • the paddle 130 closes the safety port 102 under its own gravity; when the second fan 320 is in operation, the paddle 130 is blown by the airflow under the action of the wind to open the safety port 102, thereby The air flow can enter the bladder from the second air outlet 122.
  • 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 the first fan 310 and the second fan 320 . Vibration during work.
  • the first air inlet 111 is disposed adjacent to the second fan 320 and the second air outlet 122 is disposed adjacent to the first fan 310.
  • the second fan 320 is disposed adjacent to the heat exchanger 200, so that the limited space can be utilized, the layout is reasonable, the drying efficiency is high, and the drying effect is good.
  • the flow area of the portion of the second air passage 120 between the heat exchanger 200 and the second fan 320 is in the direction of the heat exchanger 200 to the second fan 320. Gradually decreasing to facilitate the suction of the second fan 320.
  • an air intake gap is respectively provided between the first fan 310 and the wall surface of the first air duct 110 and between the wall surfaces of the second air duct 320 and the second air duct 120.
  • the intake gap between the first fan 310 and the wall surface of the first air passage 110 communicates with the first air passage 110 to facilitate the first fan 310 to inhale; between the second fan 320 and the wall of the second air passage 120
  • the intake air gap communicates with the second air passage 120 and the two second fins 220, respectively, thereby facilitating the second fan 320 to inhale.
  • a drying apparatus 10 for a dishwasher according to an alternative embodiment of the present invention will now be described with reference to the accompanying drawings.
  • a drying apparatus 10 for a dishwasher includes a body 100, a heat exchanger 200, a first fan 310, and a second fan 320.
  • the body 100 has a first air passage 110 and a second air passage 120.
  • the first air duct 110 has a first air inlet 111 and a first air outlet 112, and the first air inlet 111 and the first air outlet 112 are respectively adapted to communicate with the inner tank of the dishwasher;
  • the second air passage 120 has a second inlet
  • the tuyere 121 and the second air outlet 122, the second air inlet 121 and the second air outlet 122 are respectively in communication with the outside.
  • the heat exchanger 200 is disposed on the body 100, and the heat exchanger 200 is in communication with the first air passage 110 and the second air passage 120, respectively.
  • the first fan 310 is disposed in the first air duct 110
  • the second fan 320 is disposed in the second air duct 120.
  • the first fan 310 controls the water vapor in the inner tank to enter the first air passage 110 through the first air inlet 111, and after flowing through the heat exchange with the heat exchanger 200, flows into the inner tank from the first air outlet 112;
  • the second fan 320 extracts air from the external environment through the second air inlet 121, and then heats the air and the heat exchanger 200 to be finally discharged into the external environment.
  • the water vapor-containing gas condenses as it flows through the heat exchanger 200, and the released heat is absorbed by the outside air flowing through the heat exchanger 200, that is, the water vapor is condensed by the outside air, so that the drying can be performed in a limited space. system.
  • water vapor in the inner tank can be extracted and condensed by the outside air, and the gas whose humidity is lowered can be re-introduced into the inner tank, thereby achieving continuous
  • the purpose of reducing the humidity of the gas in the inner tank is to improve the drying effect, and the above drying process also avoids condensation of the water containing steam on the cabinet or the ground, thereby improving the user experience.
  • the drying device 10 for a dishwasher can solve the technical problems existing in the related art, has good drying effect, high drying efficiency, small occupied space, and good user experience.
  • a portion of the heat exchanger 200 is located within the first air passage 110 and another portion of the heat exchanger 200 is located at the second air inlet 121.
  • the water vapor in the first air passage 110 can exchange heat with the portion of the heat exchanger 200, and the outside air can exchange heat with the other portion of the heat exchanger 200, thereby making the outside air and the first air
  • the water vapor in the duct 110 exchanges energy and reduces the occupied space.
  • the first air passage 110 includes a first transition section 113, a heat exchange section 114, a second transition section 116, and a device mounting in a direction from the first air inlet 111 to the first air outlet 112.
  • section 115 the portion of heat exchanger 200 is located in heat exchange section 114 and first fan 310 is located in device mounting section 115. That is to say, in the direction of the gas flow, the portion of the heat exchanger 200 is located upstream of the first fan 310, so that the heat exchange is more sufficient and the drying effect is better.
  • the first transition section 113 is configured to communicate the first air inlet 111 and the heat exchange section 114, and the position of the first transition section 113 is higher than the highest position of the first air inlet 111, for example, for example.
  • the first transition section 113 is generally U-shaped. One end of the first transition section 113 adjacent to the first air inlet 111 is located above the first air inlet 111, and the airflow from the first air inlet 111 to the first transition section 113 is gradually upward. The flow, from the first transition section 113 to the heat exchange section 114, gradually flows downward. In this way, it is possible to prevent water in the washing process from entering the heat exchanger 200 directly from the first air inlet 111.
  • the heat exchange section 114 is a straight section, and the bottom of the heat exchange section 114 is provided with a drain port 101 for discharging the condensed water accumulated at the bottom of the heat exchange section 114.
  • a water storage tank may be disposed at the bottom of the heat exchange section 114 for storing condensed water
  • the drain port 101 is disposed in the water storage tank
  • the water outlet 101 is connected with a hose
  • the condensed water is smoothly exported to the water cup or the drain by a hose.
  • the pipeline In the pipeline.
  • the second transition section 116 extends obliquely upward from the heat exchange section 114 with respect to the vertical direction to prevent condensed water from entering the first blower 310.
  • the portion of the heat exchanger 200 includes a plurality of first fins 210, and the plurality of first fins 210 are arranged along the width direction of the first air passage 110. Each of the first fins 210 extends along the length of the first air passage 110.
  • the other portion of the heat exchanger 200 includes a plurality of second fins 220 arranged along the length of the first air duct 110, each of the second fins 220 along the first air duct 110 Extends in the width direction.
  • the plurality of first fins 210 are connected to each other to form a corrugated shape
  • the plurality of second fins 220 are connected to each other to form a corrugated shape.
  • 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 in the intermediate layer, and a plurality of second fins 220 respectively located on opposite sides of the intermediate layer, such that the vapor-containing gas flows through the intermediate layer.
  • the plurality of first fins 210 are condensed, the released heat is transferred to the two second fins 220 located on the outer side, and the outside air flows through the second fins 220 to absorb heat, thereby achieving cold and heat exchange, and then the outside air is discharged again.
  • the gas with reduced humidity is then introduced into the liner.
  • the heat exchanger 200 further includes a heat exchange plate 230 having a heat exchange chamber therein, the plurality of first fins 210 being disposed in the heat exchange chamber, and the plurality of second fins 220 is distributed on opposite side surfaces of the heat exchange plate 230. That is, the first fin 210 located in the intermediate layer and the two second layer fins 220 are respectively separated by the heat exchange plate 230 to improve the heat exchange effect.
  • the heat exchange plate 230 is a metal member, and the surfaces of the heat exchange plate 230 facing the first fin 210 and the second fin 220 are both planar.
  • the number of layers of the first fin 210 and the second fin 220 is not particularly limited, and the number of layers of the first fin 210 into which the water vapor is introduced and the number of layers of the second fin 220 introduced by the outside air are not special.
  • the limitation is that the direction in which the first fins 210 and the second fins 220 are extended does not hinder the flow of the airflow.
  • the drying apparatus 10 for a dishwasher further includes: a heater 400 disposed in the device mounting section 115, and the heater 400 is located in the first fan 310 and the first air outlet 112 In the meantime, the airflow that is about to enter the inner tank is heated, and the hot air is dried to enhance the drying effect.
  • the heater 400 can be a PTC heating element that can be turned on when it is desired to dry quickly and efficiently, and the heater 400 to be turned off when an economical drying mode is required.
  • the heater 400 includes a heating plate 410, a third fin 420, a thermostat 430, and a wire harness 440.
  • a plurality of third fins 420 are disposed on the heating plate 410.
  • the plurality of third fins 420 may be connected to each other to form a corrugated shape.
  • the thermostat 430 is coupled to at least one of the heating plate 410 and the third fin 420, that is, the thermostat 430 may be coupled to the heating plate 410 or the third fin 420, and the thermostat 430 may also be coupled to the heating plate 410, respectively. It is connected to the third fin 420.
  • the wire harness 440 is connected to the heating plate 410 to effect heating of the heating plate 410.
  • the first fin 210, the second fin 220 and the third fin 420 may all be metal parts to ensure a good heat exchange effect.
  • the device mounting section 115 has a safety port 102, the safety port 102 is disposed adjacent to the first air outlet 112, the safety port 102 is provided with a paddle 130, and the paddle 130 is only in the first When the fan 310 is in operation, the safety port 102 is opened to communicate the air outlet of the first fan 310 and the first air outlet 112.
  • the safety port 102 is disposed between the heater 400 and the first air outlet 112, so that the first fan can be When the 310 is not in operation, the water vapor in the washing process is effectively prevented from entering the first fan 310 and the heater 400 from the first air outlet 112.
  • the portion of the device mounting section 115 between the heater 400 and the safety port 102 is curved to reduce the flow resistance of the gas and facilitate the smooth flow of the gas.
  • the paddle 130 is rotatably disposed in the first air duct 110, and the paddle 130 normally closes the safety port 102 under the action of its own gravity.
  • the paddle 130 closes the safety port 102 under its own gravity; when the first fan 310 is in operation, the paddle 130 is blown by the airflow under the action of the wind to open the safety port 102, thereby The air flow can enter the bladder from the first air outlet 112.
  • the first air inlet 111 and the first air outlet 112 are respectively disposed away from the center of the body 100, and the first fan 310 and the second fan 320 are respectively disposed adjacent to the center of the body 100.
  • the second fan 320 is disposed adjacent to the heat exchanger 200, so that the limited space can be utilized, the layout is reasonable, the drying efficiency is high, and the drying effect is good.
  • the flow area of the portion of the second air passage 120 between the heat exchanger 200 and the second fan 320 is in the direction of the heat exchanger 200 to the second fan 320. Gradually decreasing to facilitate the suction of the second fan 320.
  • an air intake gap is respectively provided between the first fan 310 and the wall surface of the first air passage 110 and between the wall surfaces of the second air duct 320 and the second air passage 120.
  • the intake gap between the first fan 310 and the wall surface of the first air passage 110 communicates with the first air passage 110 to facilitate the first fan 310 to inhale; between the second fan 320 and the wall of the second air passage 120
  • the intake air gap communicates with the second air passage 120 and the two second fins 220, respectively, thereby facilitating the second fan 320 to inhale.
  • a dishwasher 1 As shown in FIGS. 1 to 10, a dishwasher 1 according to an embodiment of the second aspect of the present invention includes: a casing, a liner 20, a door body, and a dishwashing machine according to an embodiment of the first aspect of the present invention. Drying device 10 of the machine.
  • the bladder 20 is disposed within the housing, and the bladder 20 has an inlet 21 and an outlet 22.
  • the door body is mounted to the housing to open and close the inner liner 20.
  • the body 100 is mounted to one side of the inner liner 20 or the top of the inner liner 20 by fasteners 23, the second air outlet 122 communicates with the inlet 21 and the first air inlet 111 communicates with the outlet 22.
  • the body 100 can also be mounted to the door body, or the body 100 can be separately mounted to the door body and the inner casing 20.
  • the inlet 21 is adjacent to the bottom wall of the inner liner 20
  • the outlet 22 is adjacent to the top end of the inner liner 20
  • the fastener 23 can be a nut
  • the second air outlet 122 and the inlet 21 and the first air inlet 111 and the outlet 22 are respectively
  • a sealing ring 24 is provided.
  • the first fan 310 and the second fan 320 are opened. Due to the pumping force of the first fan 310, the water vapor in the inner tank 20 is extracted from the outlet 22, and the airflow enters the first transition section 113 from the first air inlet 111. Flowing through the first fin 210, the first fan 310, and finally discharging through the first air outlet 112; at the same time, the second fan 320 extracts outside air, and the outside air flows through the second fin 220, and flows through the first wing. After the water vapor of the sheet 210 is condensed, it flows through the second blower 320 and the heater 400, and flows into the inner liner 20 from the second air outlet 122.
  • the first air outlet 112 is in communication with the inlet 21 and the first air inlet 111 is in communication with the outlet 22.
  • the first fan 310 and the second fan 320 are turned on. Due to the pumping force of the first fan 310, the water vapor in the inner tank 20 is withdrawn from the outlet 22, and the airflow enters the first transition section from the first air inlet 111.
  • the second fan 320 extracts the outside air
  • the outside air flows through the second fin 220, condenses the water vapor flowing through the first fin 210, flows through the second fan 320, and finally discharges from the second air outlet 122 to the external environment.
  • the dishwasher 1 by using the drying device 10 for a dishwasher as described above, has a good drying effect, high drying efficiency, high energy utilization rate, small occupied space, and good user experience.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality” means two or more unless otherwise stated.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, indirectly connected through an intermediate medium, or can be internal to the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

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  • Washing And Drying Of Tableware (AREA)

Abstract

一种用于洗碗机的干燥装置(10)和洗碗机(1)。干燥装置(10)包括：本体(100)，本体(100)具有第一风道(110)和第二风道(120)，第一风道(110)具有第一进风口(111)和第一出风口(112)，第二风道(120)具有第二进风口(121)和第二出风口(122)，第一进风口(111)适于与洗碗机（1）的内胆（20）连通，第二进风口(121)与外界连通；换热器(200)，换热器(200)设于本体(100)且分别与第一风道(110)和第二风道(120)连通，第一出风口(112)和第二出风口(122)中的一个与外界连通且另一个适于与内胆（20）连通。

Description

用于洗碗机的干燥装置和洗碗机
相关申请的交叉引用
本申请基于申请号为201810044410.4，申请日为2018年1月17日的中国专利申请；申请号为201820080895.8，申请日为2018年1月17日的中国专利申请；申请号为201810044426.5，申请日为2018年1月17日的中国专利申请；申请号为201820080936.3，申请日为2018年1月17日的中国专利申请提出，并要求上述中国专利申请的优先权，上述中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明涉及洗碗机技术领域，具体而言，涉及一种用于洗碗机的干燥装置和具有所述用于洗碗机的干燥装置的洗碗机。
背景技术
相关技术中的洗碗机，通常利用自动开门、抽湿气或沸石干燥等干燥技术对内胆进行干燥，即，将洗涤结束后内胆内和餐具上的水蒸汽转移。
具体来说，自动开门干燥技术是在洗涤结束后将门开启一定角度，使内胆内积攒的水蒸汽快速排出，然而，开门后若不及时人工关门，外界蚊虫或灰尘会进入内胆，污染餐具，影响用户体验。
抽湿气干燥技术是采用风机将内胆内的水蒸汽抽取并排至内胆外，利用餐具的余温进行干燥，但是，抽取过程缓慢，餐具的干燥效率低下，且排出的水蒸汽在橱柜或地面冷凝，不仅影响感官，还容易侵蚀橱柜；并且，湿气在风道内冷凝浪费了大量的热量，且抽取过程缓慢，餐具的干燥效率低下。
沸石干燥技术是将内胆内的水蒸汽抽出，并使其流经装有沸石的干燥箱、经沸石吸湿后再排入内胆，然而，沸石腔体、风机及加热模块占用的空间较大，且沸石存在异味，影响用户体验。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提出一种用于洗碗机的干燥装置，所述用于洗碗机的干燥装置具有干燥效果好、干燥效率高、能量利用率高、占用空间较小、用户体验好等优点。
本发明还提出一种具有所述用于洗碗机的干燥装置的洗碗机。
根据本发明第一方面实施例的用于洗碗机的干燥装置，包括：本体，所述本体具有第一风道和第二风道，所述第一风道具有第一进风口和第一出风口，所述第二风道具有第二进风口和第二出风口，所述第一进风口适于与所述洗碗机的内胆连通，所述第二进风口与外界连通；换热器，所述换热器设于所述本体且分别与所述第一风道和所述第二风道连通；第一风机和第二风机，所述第一风机设在所述第一风道内，所述第二风机设在所述第二风道内，其中，所述第一出风口和所述第二出风口中的一个与外界连通且另一个适于与所述内胆连通。
根据本发明实施例的用于洗碗机的干燥装置，干燥效果好、干燥效率高、能量利用率高、占用空间较小、用户体验好。
另外，根据本发明实施例的用于洗碗机的干燥装置还具有如下附加的技术特征：
根据本发明的一些实施例，所述换热器的一部分位于所述第一风道内且另一部分位于所述第二进风口处。
根据本发明的一些实施例，所述第一风道在从所述第一进风口至所述第一出风口的方向上包括第一过渡段、换热段和器件安装段，所述换热器的一部分位于所述换热段且所述第一风机位于所述器件安装段。
进一步地，所述第一过渡段的邻近所述第一进风口的一端位于所述第一进风口的上方。
在本发明的一些实施例中，所述换热段的底部设有用于排出冷凝水的排水口。
可选地，所述第一风道在从所述第一进风口至所述第一出风口的方向上包括所述第一过渡段、所述换热段、第二过渡段和所述器件安装段，所述第二过渡段从所述换热段相对于竖直方向向上倾斜延伸。
在本发明的一些具体实施例中，所述换热器的所述一部分包括多个第一翅片，多个所述第一翅片沿所述第一风道的宽度方向排列且每个所述第一翅片沿所述第一风道的长度方向延伸；所述换热器的所述另一部分包括多个第二翅片，多个所述第二翅片沿所述第一风道的长度方向排列且每个所述第二翅片沿所述第一风道的宽度方向延伸。
可选地，所述换热器还包括：换热板，所述换热板内具有换热腔，多个所述第一翅片设于所述换热腔内，多个所述第二翅片分布于所述换热板的相对两侧表面。
根据本发明的一些实施例，所述第一风道具有邻近所述第一出风口设置的安全口，所述安全口处设有拨片，所述拨片仅在所述第一风机运行时打开所述安全口以连通所述第一风机的出风口和所述第一出风口，或，所述第二风道具有邻近所述第二出风口 设置的安全口，所述安全口处设有拨片，所述拨片仅在所述第二风机运行时打开所述安全口以连通所述第二风机的出风口和所述第二出风口。
进一步地，所述拨片可转动地设在所述第一风道或所述第二风道内且在自身重力作用下常关闭所述安全口。
根据本发明的一些实施例，所述用于洗碗机的干燥装置还包括：加热器，所述加热器设于所述第一风道且位于所述第一风机和所述第一出风口之间，或，所述加热器设于所述第二风道且位于所述第二风机和所述第二出风口之间。
根据本发明的一些实施例，所述第二风道的位于所述换热器和所述第二风机之间的部分的流通面积沿所述换热器至所述第二风机的方向逐渐减小。
根据本发明的一些实施例，所述第一风机与所述第一风道的壁面之间、所述第二风机与所述第二风道的壁面之间分别具有进气间隙。
根据本发明的一些实施例，第一出风口与外界连通，所述第二出风口适于与所述内胆连通。
进一步地，所述第一进风口邻近所述第二风机设置且所述第二出风口邻近所述第一风机设置。
根据本发明的一些实施例，第一出风口适于与所述内胆连通，所述第二出风口与外界连通。
进一步地，所述第一进风口和所述第一出风口分别远离所述本体的中心设置，所述第一风机和所述第二风机分别邻近所述本体的中心设置。
根据本发明第二方面实施例的洗碗机，包括：壳体；内胆，所述内胆设在所述壳体内且具有进口和出口；门体，所述门体安装于所述壳体以打开和关闭所述内胆；根据本发明第一方面实施例所述的用于洗碗机的干燥装置，所述本体安装于所述内胆和所述门体中的至少一个，所述第一出风口和所述第二出风口中的所述另一个与所述进口连通，所述第一进风口与所述出口连通。
根据本发明实施例的洗碗机，通过利用如上所述的用于洗碗机的干燥装置，干燥效果好、干燥效率高、能量利用率高、占用空间较小、用户体验好。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
图1是根据本发明实施例的用于洗碗机的干燥装置的剖视图；
图2是根据本发明实施例的用于洗碗机的干燥装置的结构示意图；
图3是根据本发明实施例的用于洗碗机的干燥装置的换热器的立体图；
图4是根据本发明实施例的用于洗碗机的干燥装置的加热器的结构示意图；
图5是根据本发明实施例的洗碗机的爆炸图；
图6是根据本发明的一个可选实施例的用于洗碗机的干燥装置的剖视图；
图7是根据本发明的一个可选实施例的用于洗碗机的干燥装置的结构示意图；
图8是根据本发明的一个可选实施例的用于洗碗机的干燥装置的换热器的立体图；
图9是根据本发明的一个可选实施例的用于洗碗机的干燥装置的加热器的结构示意图；
图10是根据本发明的一个可选实施例的洗碗机的爆炸图。
附图标记：
洗碗机1，
用于洗碗机的干燥装置10，
本体100，排水口101，安全口102，
第一风道110，第一进风口111，第一出风口112，第一过渡段113，换热段114，器件安装段115，第二过渡段116，
第二风道120，第二进风口121，第二出风口122，
拨片130，加强筋140，
换热器200，第一翅片210，第二翅片220，换热板230，
第一风机310，第二风机320，
加热器400，加热板410，第三翅片420，温控器430，线束440，
内胆20，进口21，出口22，紧固件23，密封圈24。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
下面参考附图描述根据本发明第一方面实施例的用于洗碗机的干燥装置10。
如图1-图10所示，根据本发明实施例的用于洗碗机的干燥装置10，包括：本体100、换热器200、第一风机310和第二风机320。
具体而言，本体100具有第一风道110和第二风道120。第一风道110具有第一进风口111和第一出风口112，第一进风口111适于与洗碗机的内胆连通。第二风道120具有第二进风口121和第二出风口122，第二进风口121与外界连通。换热器200设于 本体100，换热器200分别与第一风道110和第二风道120连通。第一风机310设在第一风道110内，第二风机320设在第二风道120内。
其中，第一出风口112与外界连通，第二出风口122适于与洗碗机的内胆连通。由此，第一风机310控制内胆内的水蒸汽通过第一进风口111进入第一风道110，经过与换热器200的热交换后，最终排入外界环境；与此同时，第二风机320通过第二进风口121从外界环境抽取空气，使空气与换热器200进行热交换后从第二出风口122流入内胆。这样，含有水蒸汽的气体流经换热器200时冷凝，放出的热量被流经换热器200的外界空气所吸收，即，利用水蒸汽的热量对外界空气进行加热，利用外界空气对水蒸汽进行冷凝，从而可以利用有限空间配置干燥系统，且充分回收水蒸汽的热量，并产生热风干燥效果。
或者，第一出风口112适于与内胆连通，第二出风口122与外界连通。由此，第一风机310控制内胆内的水蒸汽通过第一进风口111进入第一风道110，经过与换热器200的热交换后，从第一出风口112流入内胆；与此同时，第二风机320通过第二进风口121从外界环境抽取空气，使空气与换热器200进行热交换后最终排入外界环境。这样，含有水蒸汽的气体流经换热器200时冷凝，放出的热量被流经换热器200的外界空气所吸收，即，利用外界空气对水蒸汽进行冷凝，从而可以利用有限空间配置干燥系统。
综上所述，根据本发明实施例的用于洗碗机的干燥装置10，可以实现将内胆内的水蒸汽抽出并利用外界空气对其进行冷凝，同时利用水蒸汽冷凝所放出的热量加热外界空气，再将外界空气导入内胆，从而实现干热空气逐步置换水蒸汽的目的，能够解决相关技术中存在的技术问题，干燥效果好、干燥效率高、能量利用率高、占用空间较小、用户体验好。或者，通过将湿度降低了的气体再导入内胆，从而实现不断降低内胆中的气体湿度的目的，提高干燥效果，并且，上述干燥过程还避免了含有水蒸汽的气体在橱柜或地面上的冷凝，提升用户体验。
下面参照附图描述根据本发明具体实施例的用于洗碗机的干燥装置10。
如图1-图5所示，根据本发明实施例的用于洗碗机的干燥装置10，包括：本体100、换热器200、第一风机310和第二风机320。
具体而言，本体100具有第一风道110和第二风道120。第一风道110具有第一进风口111和第一出风口112，第一进风口111适于与洗碗机的内胆连通，第一出风口112与外界连通；第二风道120具有第二进风口121和第二出风口122，第二进风口121与外界连通，第二出风口122适于与内胆连通。换热器200设于本体100，换热器200分别与第一风道110和第二风道120连通。第一风机310设在第一风道110内，第二 风机320设在第二风道120内。
由此，第一风机310控制内胆内的水蒸汽通过第一进风口111进入第一风道110，经过与换热器200的热交换后，最终排入外界环境；与此同时，第二风机320通过第二进风口121从外界环境抽取空气，使空气与换热器200进行热交换后从第二出风口122流入内胆。这样，含有水蒸汽的气体流经换热器200时冷凝，放出的热量被流经换热器200的外界空气所吸收，即，利用水蒸汽的热量对外界空气进行加热，利用外界空气对水蒸汽进行冷凝，从而可以利用有限空间配置干燥系统，且充分回收水蒸汽的热量，并产生热风干燥效果。
综上所述，根据本发明实施例的用于洗碗机的干燥装置10，可以实现将内胆内的水蒸汽抽出并利用外界空气对其进行冷凝，同时利用水蒸汽冷凝所放出的热量加热外界空气，再将外界空气导入内胆，从而实现干热空气逐步置换水蒸汽的目的，能够解决相关技术中存在的技术问题，干燥效果好、干燥效率高、能量利用率高、占用空间较小、用户体验好。
根据本发明的一些实施例，如图1所示，换热器200的一部分位于第一风道110内，换热器200的另一部分位于第二进风口121处。这样，第一风道110内的水蒸汽可以与换热器200的所述一部分进行热交换，外界空气可以与换热器200的所述另一部分进行热交换，从而可以使外界空气与第一风道110内的水蒸汽进行能量交换，且减小了占用空间。
进一步地，如图1所示，第一风道110在从第一进风口111至第一出风口112的方向上包括第一过渡段113、换热段114和器件安装段115，换热器200的所述一部分位于换热段114，第一风机310位于器件安装段115。也就是说，在气流方向上，换热器200的所述一部分位于第一风机310的上游，从而换热更加充分，干燥效果更好。
有利地，如图1所示，第一过渡段113用于连通第一进风口111和换热段114，第一过渡段113的位置最高处高于第一进风口111的位置最高处，例如，第一过渡段113的邻近第一进风口111的一端位于第一进风口111的上方，从第一进风口111到第一过渡段113气流逐渐向上流动，从第一过渡段113到换热段114气流逐渐向下流动。如此，可以防止洗涤过程中的水直接从第一进风口111进入到换热器200中。
可选地，如图1所示，换热段114的邻近器件安装段115的一端为弧形，换热段114的底部设有排水口101，用于将积聚在换热段114底部的冷凝水排出。例如，可以在换热段114的底部设置储水槽，用于存储冷凝水，排水口101设在该储水槽内，排水口101接上软管，利用软管将冷凝水顺利导出到水杯或排水管道中。
在本发明的一些实施例中，如图3所示，换热器200的所述一部分包括多个第一 翅片210，多个第一翅片210沿第一风道110的宽度方向排列，每个第一翅片210沿第一风道110的长度方向延伸。换热器200的所述另一部分包括多个第二翅片220，多个第二翅片220沿第一风道110的长度方向排列，每个第二翅片220沿第一风道110的宽度方向延伸。例如，多个第一翅片210彼此相连而形成波纹形，多个第二翅片220彼此相连而形成波纹形。
其中，多个第二翅片220可以在多个第一翅片210上排列成两层。也就是说，换热器200包括位于中间层的多个第一翅片210、分别位于该中间层相对两侧的多个第二翅片220，这样，含水蒸汽的气体流经位于中间层的多个第一翅片210时冷凝，放出的热量传递给位于外侧的两层第二翅片220，外界空气流经第二翅片220时吸收热量，实现冷热交换，然后外界空气再被导入内胆。
有利地，如图3所示，换热器200还包括换热板230，换热板230内具有换热腔，多个第一翅片210设于换热腔内，多个第二翅片220分布于换热板230的相对两侧表面。即，位于中间层的第一翅片210与上述两层第二翅片220之间分别通过换热板230隔开，以改善换热效果。例如，换热板230为金属件，换热板230的朝向第一翅片210和第二翅片220的表面均为平面。
可以理解，对于第一翅片210和第二翅片220的层数不作特殊限制，水蒸汽导入的第一翅片210的层数以及外界空气导入的第二翅片220的层数也不作特殊限制，只要满足第一翅片210和第二翅片220的延伸方向不阻碍气流流动即可。
根据本发明的一些实施例，用于洗碗机的干燥装置10还包括：加热器400，加热器400设于第二风道120，且加热器400位于第二风机320和第二出风口122之间，以对即将进入内胆的气流进行加热，起到热风干燥的作用，增强干燥效果。例如，加热器400可以为PTC发热体，可以在需要快速高效地干燥时开启加热器400，在需要经济型干燥方式时关闭加热器400。
具体地，加热器400包括加热板410、第三翅片420、温控器430和线束440。多个第三翅片420设于加热板410，例如，多个第三翅片420可以彼此相连而形成波纹形。温控器430与加热板410和第三翅片420中的至少一个相连，即，温控器430可以与加热板410或第三翅片420相连，温控器430也可以分别与加热板410和第三翅片420相连。线束440与加热板410相连，以实现对加热板410的加热。
加热器400开启时，加热板410的温度升高并将热量传递给第三翅片420，外界空气流经第三翅片420并带走热量，然后再从第二出风口122进入内胆，实现热风干燥。其中，第一翅片210、第二翅片220和第三翅片420可以均为金属件，以保证良好的换热效果。
根据本发明的一些实施例，如图1所示，第二风道120具有安全口102，安全口102邻近第二出风口122设置，安全口102处设有拨片130，拨片130仅在第二风机320运行时打开安全口102以连通第二风机320的出风口和第二出风口122，例如，安全口102设在加热器400和第二出风口122之间，从而可以在第二风机320不运行时，有效阻止洗涤过程中的水蒸汽从第二出风口122进入第二风机320和加热器400。
在本发明的一些具体实施例中，如图1所示，第二风道120的位于加热器400和安全口102之间的部分为弧形，以减小气体的流动阻力，便于气体的顺利流动。
有利地，如图1所示，拨片130可转动地设在第二风道120内，拨片130在自身重力作用下常关闭安全口102。这样，当第二风机320不运行时，拨片130在自身重力作用下关闭安全口102；当第二风机320运行时，拨片130在风力作用下被气流吹起以打开安全口102，从而气流可以由第二出风口122进入内胆。
根据本发明的一些实施例，如图1所示，本体100设有加强筋140，加强筋140位于第一风机310和第二风机320之间，以减小第一风机310和第二风机320工作时的振动。
根据本发明的一些实施例，如图1所示，第一进风口111邻近第二风机320设置且第二出风口122邻近第一风机310设置。有利地，第二风机320邻近换热器200设置，从而可以充分利用有限空间，合理布局，且干燥效率高、干燥效果好。
在本发明的一些实施例中，如图1所示，第二风道120的位于换热器200和第二风机320之间的部分的流通面积沿换热器200至第二风机320的方向逐渐减小，以利于第二风机320的吸气。
根据本发明的一些实施例，如图2所示，第一风机310与第一风道110的壁面之间、第二风机320与第二风道120的壁面之间分别具有进气间隙。第一风机310与第一风道110的壁面之间的进气间隙与第一风道110连通，从而方便第一风机310吸气；第二风机320与第二风道120的壁面之间的进气间隙分别与第二风道120、两层第二翅片220连通，从而方便第二风机320吸气。
下面参考附图描述根据本发明的一个可选实施例的用于洗碗机的干燥装置10。
如图6-图10所示，根据本发明实施例的用于洗碗机的干燥装置10，包括：本体100、换热器200、第一风机310和第二风机320。
具体而言，本体100具有第一风道110和第二风道120。第一风道110具有第一进风口111和第一出风口112，第一进风口111和第一出风口112适于分别与洗碗机的内胆连通；第二风道120具有第二进风口121和第二出风口122，第二进风口121和第二出风口122分别与外界连通。换热器200设于本体100，且换热器200分别与第一风道 110和第二风道120连通。第一风机310设在第一风道110内，第二风机320设在第二风道120内。
由此，第一风机310控制内胆内的水蒸汽通过第一进风口111进入第一风道110，经过与换热器200的热交换后，从第一出风口112流入内胆；与此同时，第二风机320通过第二进风口121从外界环境抽取空气，使空气与换热器200进行热交换后最终排入外界环境。这样，含有水蒸汽的气体流经换热器200时冷凝，放出的热量被流经换热器200的外界空气所吸收，即，利用外界空气对水蒸汽进行冷凝，从而可以利用有限空间配置干燥系统。
根据本发明实施例的用于洗碗机的干燥装置10，可以实现将内胆内的水蒸汽抽出并利用外界空气对其进行冷凝，同时将湿度降低了的气体再导入内胆，从而实现不断降低内胆中的气体湿度的目的，提高干燥效果，并且，上述干燥过程还避免了含有水蒸汽的气体在橱柜或地面上的冷凝，提升用户体验。
简言之，根据本发明实施例的用于洗碗机的干燥装置10，能够解决相关技术中存在的技术问题，干燥效果好、干燥效率高、占用空间较小、用户体验好。
根据本发明的一些实施例，如图6所示，换热器200的一部分位于第一风道110内，换热器200的另一部分位于第二进风口121处。这样，第一风道110内的水蒸汽可以与换热器200的所述一部分进行热交换，外界空气可以与换热器200的所述另一部分进行热交换，从而可以使外界空气与第一风道110内的水蒸汽进行能量交换，且减小了占用空间。
进一步地，如图6所示，第一风道110在从第一进风口111至第一出风口112的方向上包括第一过渡段113、换热段114、第二过渡段116和器件安装段115，换热器200的所述一部分位于换热段114，第一风机310位于器件安装段115。也就是说，在气流方向上，换热器200的所述一部分位于第一风机310的上游，从而换热更加充分，干燥效果更好。
有利地，如图6所示，第一过渡段113用于连通第一进风口111和换热段114，第一过渡段113的位置最高处高于第一进风口111的位置最高处，例如，第一过渡段113为大体的U形，第一过渡段113的邻近第一进风口111的一端位于第一进风口111的上方，从第一进风口111到第一过渡段113气流逐渐向上流动，从第一过渡段113到换热段114气流逐渐向下流动。如此，可以防止洗涤过程中的水直接从第一进风口111进入到换热器200中。
有利地，如图6所示，换热段114为直段，换热段114的底部设有排水口101，用于将积聚在换热段114底部的冷凝水排出。例如，可以在换热段114的底部设置储水 槽，用于存储冷凝水，排水口101设在该储水槽内，排水口101接上软管，利用软管将冷凝水顺利导出到水杯或排水管道中。
可选地，如图6所示，第二过渡段116从换热段114相对于竖直方向向上倾斜延伸，以防止冷凝水进入第一风机310。
在本发明的一些具体实施例中，如图6所示，换热器200的所述一部分包括多个第一翅片210，多个第一翅片210沿第一风道110的宽度方向排列，每个第一翅片210沿第一风道110的长度方向延伸。换热器200的所述另一部分包括多个第二翅片220，多个第二翅片220沿第一风道110的长度方向排列，每个第二翅片220沿第一风道110的宽度方向延伸。例如，多个第一翅片210彼此相连而形成波纹形，多个第二翅片220彼此相连而形成波纹形。
其中，多个第二翅片220可以在多个第一翅片210上排列成两层。也就是说，换热器200包括位于中间层的多个第一翅片210、分别位于该中间层相对两侧的多个第二翅片220，这样，含水蒸汽的气体流经位于中间层的多个第一翅片210时冷凝，放出的热量传递给位于外侧的两层第二翅片220，外界空气流经第二翅片220时吸收热量，实现冷热交换，然后外界空气再被排出、湿度降低的气体再被导入内胆。
有利地，如图8所示，换热器200还包括换热板230，换热板230内具有换热腔，多个第一翅片210设于换热腔内，多个第二翅片220分布于换热板230的相对两侧表面。即，位于中间层的第一翅片210与上述两层第二翅片220之间分别通过换热板230隔开，以改善换热效果。例如，换热板230为金属件，换热板230的朝向第一翅片210和第二翅片220的表面均为平面。
可以理解，对于第一翅片210和第二翅片220的层数不作特殊限制，水蒸汽导入的第一翅片210的层数以及外界空气导入的第二翅片220的层数也不作特殊限制，只要满足第一翅片210和第二翅片220的延伸方向不阻碍气流流动即可。
根据本发明的一些实施例，用于洗碗机的干燥装置10还包括：加热器400，加热器400设于器件安装段115，且加热器400位于第一风机310和第一出风口112之间，以对即将进入内胆的气流进行加热，起到热风干燥的作用，增强干燥效果。例如，加热器400可以为PTC发热体，可以在需要快速高效地干燥时开启加热器400，在需要经济型干燥方式时关闭加热器400。
具体地，加热器400包括加热板410、第三翅片420、温控器430和线束440。多个第三翅片420设于加热板410，例如，多个第三翅片420可以彼此相连而形成波纹形。温控器430与加热板410和第三翅片420中的至少一个相连，即，温控器430可以与加热板410或第三翅片420相连，温控器430也可以分别与加热板410和第三翅片420 相连。线束440与加热板410相连，以实现对加热板410的加热。
加热器400开启时，加热板410的温度升高并将热量传递给第三翅片420，除湿后的气体流经第三翅片420并带走热量，然后再从第一出风口112进入内胆，实现热风干燥。其中，第一翅片210、第二翅片220和第三翅片420可以均为金属件，以保证良好的换热效果。
根据本发明的一些实施例，如图6所示，器件安装段115具有安全口102，安全口102邻近第一出风口112设置，安全口102处设有拨片130，拨片130仅在第一风机310运行时打开安全口102以连通第一风机310的出风口和第一出风口112，例如，安全口102设在加热器400和第一出风口112之间，从而可以在第一风机310不运行时，有效阻止洗涤过程中的水蒸汽从第一出风口112进入第一风机310和加热器400。
在本发明的一些具体实施例中，如图6所示，器件安装段115的位于加热器400和安全口102之间的部分为弧形，以减小气体的流动阻力，便于气体的顺利流动。
进一步地，如图6所示，拨片130可转动地设在第一风道110内，且拨片130在自身重力作用下常关闭安全口102。这样，当第一风机310不运行时，拨片130在自身重力作用下关闭安全口102；当第一风机310运行时，拨片130在风力作用下被气流吹起以打开安全口102，从而气流可以由第一出风口112进入内胆。
根据本发明的一些实施例，如图6所示，第一进风口111和第一出风口112分别远离本体100的中心设置，第一风机310和第二风机320分别邻近本体100的中心设置。有利地，第二风机320邻近换热器200设置，从而可以充分利用有限空间，合理布局，且干燥效率高、干燥效果好。
在本发明的一些实施例中，如图6所示，第二风道120的位于换热器200和第二风机320之间的部分的流通面积沿换热器200至第二风机320的方向逐渐减小，以利于第二风机320的吸气。
根据本发明的一些实施例，如图7所示，第一风机310与第一风道110的壁面之间、第二风机320与第二风道120的壁面之间分别具有进气间隙。第一风机310与第一风道110的壁面之间的进气间隙与第一风道110连通，从而方便第一风机310吸气；第二风机320与第二风道120的壁面之间的进气间隙分别与第二风道120、两层第二翅片220连通，从而方便第二风机320吸气。
如图1-图10所示，根据本发明第二方面实施例的洗碗机1，包括：壳体、内胆20、门体和根据本发明第一方面实施例所述的用于洗碗机的干燥装置10。
具体而言，内胆20设在壳体内，内胆20具有进口21和出口22。门体安装于壳体以打开和关闭内胆20。本体100通过紧固件23安装于内胆20的一侧或内胆20的顶部， 第二出风口122与进口21连通且第一进风口111与出口22连通。当然，本体100也可以安装于门体，或者，本体100还可以分别安装于门体和内胆20。
其中，进口21邻近内胆20的底壁，出口22邻近内胆20的顶端，紧固件23可以为螺帽，第二出风口122与进口21以及第一进风口111与出口22之间分别设有密封圈24。
干燥阶段，第一风机310和第二风机320开启，由于第一风机310的抽力，内胆20内的水蒸汽从出口22被抽出，气流从第一进风口111进入第一过渡段113，分别流经第一翅片210、第一风机310，最后经第一出风口112排出；与此同时，第二风机320抽取外界空气，外界空气流经第二翅片220，对流过第一翅片210的水蒸汽进行冷凝后，再流经第二风机320、加热器400，从第二出风口122流进内胆20。
或者，第一出风口112与进口21连通且第一进风口111与出口22连通。这样，干燥阶段，第一风机310和第二风机320开启，由于第一风机310的抽力，内胆20内的水蒸汽从出口22被抽出，气流从第一进风口111进入第一过渡段113，分别流经第一翅片210、第二过渡段116、第一风机310、加热器400，最后经第一出风口112排入内胆20；与此同时，第二风机320抽取外界空气，外界空气流经第二翅片220，对流过第一翅片210的水蒸汽进行冷凝后，再流经第二风机320，最后从第二出风口122排至外界环境。
根据本发明实施例的洗碗机1，通过利用如上所述的用于洗碗机的干燥装置10，干燥效果好、干燥效率高、能量利用率高、占用空间较小、用户体验好。
根据本发明实施例的洗碗机1的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、 “相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，还可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“具体实施例”、“示例”或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (18)

  1. 一种用于洗碗机的干燥装置，其特征在于，包括：
    本体，所述本体具有第一风道和第二风道，所述第一风道具有第一进风口和第一出风口，所述第二风道具有第二进风口和第二出风口，所述第一进风口适于与所述洗碗机的内胆连通，所述第二进风口与外界连通；
    换热器，所述换热器设于所述本体且分别与所述第一风道和所述第二风道连通；
    第一风机和第二风机，所述第一风机设在所述第一风道内，所述第二风机设在所述第二风道内，其中，所述第一出风口和所述第二出风口中的一个与外界连通且另一个适于与所述内胆连通。
  2. 根据权利要求1所述的用于洗碗机的干燥装置，其特征在于，所述换热器的一部分位于所述第一风道内且另一部分位于所述第二进风口处。
  3. 根据权利要求1或2所述的用于洗碗机的干燥装置，其特征在于，所述第一风道在从所述第一进风口至所述第一出风口的方向上包括第一过渡段、换热段和器件安装段，所述换热器的一部分位于所述换热段且所述第一风机位于所述器件安装段。
  4. 根据权利要求3所述的用于洗碗机的干燥装置，其特征在于，所述第一过渡段的邻近所述第一进风口的一端位于所述第一进风口的上方。
  5. 根据权利要求3所述的用于洗碗机的干燥装置，其特征在于，所述换热段的底部设有用于排出冷凝水的排水口。
  6. 根据权利要求3所述的用于洗碗机的干燥装置，其特征在于，所述第一风道在从所述第一进风口至所述第一出风口的方向上包括所述第一过渡段、所述换热段、第二过渡段和所述器件安装段，所述第二过渡段从所述换热段相对于竖直方向向上倾斜延伸。
  7. 根据权利要求2所述的用于洗碗机的干燥装置，其特征在于，所述换热器的所述一部分包括多个第一翅片，多个所述第一翅片沿所述第一风道的宽度方向排列且每个所述第一翅片沿所述第一风道的长度方向延伸；
    所述换热器的所述另一部分包括多个第二翅片，多个所述第二翅片沿所述第一风道的长度方向排列且每个所述第二翅片沿所述第一风道的宽度方向延伸。
  8. 根据权利要求7所述的用于洗碗机的干燥装置，其特征在于，所述换热器还包括：
    换热板，所述换热板内具有换热腔，多个所述第一翅片设于所述换热腔内，多个所述第二翅片分布于所述换热板的相对两侧表面。
  9. 根据权利要求1-8中任一项所述的用于洗碗机的干燥装置，其特征在于，所述第一风道具有邻近所述第一出风口设置的安全口，所述安全口处设有拨片，所述拨片仅在所述第一风机运行时打开所述安全口以连通所述第一风机的出风口和所述第一出风口，或，
    所述第二风道具有邻近所述第二出风口设置的安全口，所述安全口处设有拨片，所述拨片仅在所述第二风机运行时打开所述安全口以连通所述第二风机的出风口和所述第二出风口。
  10. 根据权利要求9所述的用于洗碗机的干燥装置，其特征在于，所述拨片可转动地设在所述第一风道或所述第二风道内且在自身重力作用下常关闭所述安全口。
  11. 根据权利要求1-10中任一项所述的用于洗碗机的干燥装置，其特征在于，还包括：
    加热器，所述加热器设于所述第一风道且位于所述第一风机和所述第一出风口之间，或，
    所述加热器设于所述第二风道且位于所述第二风机和所述第二出风口之间。
  12. 根据权利要求1-11中任一项所述的用于洗碗机的干燥装置，其特征在于，所述第二风道的位于所述换热器和所述第二风机之间的部分的流通面积沿所述换热器至所述第二风机的方向逐渐减小。
  13. 根据权利要求1-12中任一项所述的用于洗碗机的干燥装置，其特征在于，所述第一风机与所述第一风道的壁面之间、所述第二风机与所述第二风道的壁面之间分别具有进气间隙。
  14. 根据权利要求1-13所述的用于洗碗机的干燥装置，其特征在于，第一出风口与外界连通，所述第二出风口适于与所述内胆连通。
  15. 根据权利要求14所述的用于洗碗机的干燥装置，其特征在于，所述第一进风口邻近所述第二风机设置且所述第二出风口邻近所述第一风机设置。
  16. 根据权利要求1-13中任一项所述的用于洗碗机的干燥装置，其特征在于，第一出风口适于与所述内胆连通，所述第二出风口与外界连通。
  17. 根据权利要求16所述的用于洗碗机的干燥装置，其特征在于，所述第一进风口和所述第一出风口分别远离所述本体的中心设置，所述第一风机和所述第二风机分别邻近所述本体的中心设置。
  18. 一种洗碗机，其特征在于，包括：
    壳体；
    内胆，所述内胆设在所述壳体内且具有进口和出口；
    门体，所述门体安装于所述壳体以打开和关闭所述内胆；
    根据权利要求1-17中任一项所述的用于洗碗机的干燥装置，所述本体安装于所述内胆和所述门体中的至少一个，所述第一出风口和所述第二出风口中的所述另一个与所述进口连通，所述第一进风口与所述出口连通。
PCT/CN2019/071965 2018-01-17 2019-01-16 用于洗碗机的干燥装置和洗碗机 WO2019141187A1 (zh)

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