CN114075772B - Air duct shell for clothes dryer and clothes dryer - Google Patents
Air duct shell for clothes dryer and clothes dryer Download PDFInfo
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- CN114075772B CN114075772B CN202010852458.5A CN202010852458A CN114075772B CN 114075772 B CN114075772 B CN 114075772B CN 202010852458 A CN202010852458 A CN 202010852458A CN 114075772 B CN114075772 B CN 114075772B
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- liquid
- chamber
- liquid guide
- clothes dryer
- guide groove
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
Abstract
The invention discloses an air duct shell for a clothes dryer and the clothes dryer, wherein the air duct shell is provided with a first chamber for installing an evaporator and a second chamber for installing a condenser, and the air duct shell comprises: the liquid guide device comprises a body, wherein a liquid discharge groove and a liquid guide groove are formed in the inner surface of the bottom wall of the body; the baffle, the baffle lid seals the notch of flowing back recess in order to with the body prescribes a limit to the flowing back passageway, the cistern with first cavity and the flowing back passageway intercommunication. According to the air duct shell for the clothes dryer, the drainage groove is formed in the inner surface of the bottom wall of the body, the partition board is matched with the body to define the drainage channel, the drainage channel is integrally formed in the air duct shell, leakage of condensed water and gas is effectively avoided, drying efficiency of the clothes dryer is improved, and the air duct shell is simple in structure, easy to process and capable of preventing water from flowing back.
Description
Technical Field
The invention relates to the technical field of clothes treatment equipment, in particular to an air duct shell for a clothes dryer and the clothes dryer.
Background
In the related art, a base assembly of a clothes dryer includes a base and two-unit installation cavities, wherein the base is provided with a water drainage channel, the two-unit installation cavities are provided with hollow structures communicated with the water drainage channel, and condensed water generated by the operation of an evaporator flows to the water drainage channel through the hollow structures. The water leakage condition easily appears in above-mentioned structure, and is unfavorable for the heat preservation in two ware installation cavities and wind channel to influence the drying efficiency of dryer.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to provide an air duct housing for a clothes dryer, in which a liquid discharge channel is integrally formed inside the air duct housing, effectively preventing condensed water and gas from leaking.
The invention also provides a clothes dryer with the liquid drainage partition plate for the clothes dryer.
The air duct shell for the clothes dryer according to the embodiment of the present invention has a first chamber for mounting an evaporator and a second chamber for mounting a condenser, and includes: the inner surface of the bottom wall of the body is provided with a liquid drainage groove and a liquid guide groove; the baffle, the baffle lid seals the notch of flowing back recess in order to with the body prescribes a limit to the flowing back passageway, the cistern with first cavity and the flowing back passageway intercommunication.
According to the air duct shell for the clothes dryer, the drainage groove is formed in the inner surface of the bottom wall of the body, the partition board and the body are matched to define the drainage channel, so that the drainage channel is integrally formed in the air duct shell, the leakage of condensed water and gas is effectively avoided, the drying efficiency of the clothes dryer is improved, and the air duct shell is simple in structure, easy to process and capable of preventing water from flowing back.
In some embodiments of the present invention, the inner surface of the bottom wall of the body has a first barrier rib, and the upper surface of the partition has a second barrier rib, and the first barrier rib and the second barrier rib are connected to separate the first chamber from the second chamber.
In some embodiments of the present invention, the second barrier rib includes one or more, and a plurality of the second barrier ribs are arranged at intervals in a width direction thereof.
In some embodiments of the invention, a part of the partition forms the bottom wall of the first chamber and another part forms the bottom wall of the second chamber, the partition being provided with at least one weep hole communicating with the drainage channel.
In some embodiments of the invention, the weep hole is formed in a bottom wall of the first chamber.
In some embodiments of the present invention, the second chamber is located on the leeward side of the first chamber in the direction of the airflow, the liquid guiding groove includes a first liquid guiding groove and a second liquid guiding groove arranged in the direction of the airflow, and the second liquid guiding groove is located on the leeward side of the first liquid guiding groove, wherein one end of the first liquid guiding groove close to the liquid discharge channel is communicated with the liquid discharge channel through a liquid passing opening, one end of the second liquid guiding groove close to the liquid discharge channel is closed, and the middle part of the second liquid guiding groove is communicated with the liquid discharge channel through the first liquid guiding groove.
In some embodiments of the invention, the second liquid guiding groove is one, and the second liquid guiding groove is communicated with the adjacent first liquid guiding groove through at least one first communication port.
In some embodiments of the present invention, the second liquid guiding groove is plural, and the plural second liquid guiding grooves are arranged along the air flow direction, wherein the first liquid guiding groove and the second liquid guiding groove that are adjacently disposed are communicated through at least one first communicating opening, and two second liquid guiding grooves that are adjacently disposed are communicated through at least one second communicating opening.
In some embodiments of the invention, two adjacent second communication ports in the airflow direction are arranged in a staggered manner in the length direction of the second liquid guide groove.
In some embodiments of the present invention, the first communication port and the second communication port adjacent to the liquid discharge channel are respectively at distances from the liquid discharge channel gradually increasing in the gas flow direction.
In some embodiments of the present invention, the first liquid guiding groove is one; or the first liquid guide grooves are arranged along the airflow direction, and two adjacent first liquid guide grooves are communicated through at least one third communication port.
In some embodiments of the invention, the third communication ports adjacent to each other in the airflow direction are arranged in a staggered manner along the length direction of the first liquid guide groove.
In some embodiments of the present invention, the first liquid guiding groove and the second liquid guiding groove respectively extend perpendicular to the airflow direction, and one ends of the first liquid guiding groove and the second liquid guiding groove far away from the liquid discharging channel extend to the side wall of the air duct shell.
In some embodiments of the invention, the liquid discharge channel extends along the air flow direction, and the first liquid guide groove is communicated with the liquid inlet end of the liquid discharge channel through the liquid passing port.
The clothes dryer according to the embodiment of the present invention includes the duct case for the clothes dryer according to the embodiment of the present invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a portion of a duct casing according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembly of a duct shell, evaporator and condenser according to an embodiment of the invention;
fig. 3 isbase:Sub>A cross-sectional view of fig. 2 taken along the linebase:Sub>A-base:Sub>A.
Reference numerals:
an air duct case 100; a first chamber 110; a second chamber 120; an evaporator 200; a condenser 300;
a body 10; a liquid discharge groove 11; a liquid discharge passage 12; a liquid guide tank 13; a first liquid guide groove 131; a second liquid guide groove 132; a liquid passing port 14; a communication port 15; a first communication port 151; a second communication port 152; a third communication port 153;
a partition plate 20; a weep hole 21;
a barrier rib 30; the first barrier ribs 31; the second barrier ribs 32.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and 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 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. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The duct case 100 for the dryer according to the embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the duct case 100 for the dryer according to the embodiment of the present invention has a first chamber 110 and a second chamber 120, wherein the first chamber 110 is used to install an evaporator 200, and the second chamber 120 is used to install a condenser 300. The air duct case 100 includes: a body 10 and a partition 20.
Specifically, the inner surface of the bottom wall of the body 10 is provided with a liquid drainage groove 11 and a liquid guide groove 13, a partition plate 20 covers the notch of the liquid drainage groove 11 to define a liquid drainage channel 12 with the body 10, the partition plate 20 realizes water-vapor separation, internal circulation air is arranged above the partition plate 20, and condensed water flows and is stored below the partition plate 20. The liquid guide groove 13 communicates with the first chamber 110 and the liquid discharge passage 12.
As shown in fig. 1 to 3, hot and humid air generated by the operation of the dryer can enter the first chamber 110 and the second chamber 120 of the duct case 100; after exchanging heat with the evaporator 200 in the first chamber 110, water in the hot and humid air is condensed into condensed water, so that the hot and humid air is changed into dry air; after the dry air exchanges heat with the condenser 300 in the second chamber 120, the dry air is changed into hot air; the hot air can be discharged from the air duct outlet of the air duct casing 100, and then enter the clothes-holding cavity of the clothes dryer to dry the clothes. The condensed water generated by the operation of the evaporator 200 in the first chamber 110 can enter the liquid guiding groove 13 under the action of gravity, and then can flow to the liquid discharging channel 12 under the guiding action of the liquid guiding groove 13 to be discharged through the liquid discharging channel 12.
In the related art, a base assembly of a clothes dryer includes a base and two-unit installation cavities, wherein the base is provided with a water drainage channel, the two-unit installation cavities are provided with hollow structures communicated with the water drainage channel, and condensed water generated by the operation of an evaporator flows to the water drainage channel through the hollow structures. In the structure, the risk of sealing failure exists between the two installation cavities and the base, so that the risk of leakage of condensed water or leakage of air flow in the installation cavity is caused, the drainage effect is influenced, the heat exchange efficiency of air in the installation cavity is not facilitated, the heat preservation of the two installation cavities and the air channel is not facilitated, and the drying efficiency of the clothes dryer is influenced.
In the embodiment of the present invention, the partition 20 covers the notch of the drainage groove 11 on the bottom wall of the body 10 to define the drainage channel 12, so that the drainage channel 12 is integrally formed in the air duct casing 100, and there is no problem of sealing failure between the two installation cavities and the base, thereby effectively avoiding the leakage of the condensed water in the drainage channel 12 from affecting the safety of the use of other components of the clothes dryer, and also avoiding the leakage of the air in the first chamber 110 and the second chamber 120 from affecting the drying efficiency of the clothes dryer.
In addition, in some embodiments of the present invention, the partition plate 20 is an integrally formed part, which not only makes the structure of the air duct casing 100 simpler and easier to process and assemble, but also reduces the fit gap between the body 10 and the partition plate 20, thereby preventing the condensed water in the drainage channel 12 from flowing back to the first chamber 110 and the second chamber 120 through the gap between the body 10 and the partition plate 20, ensuring the effectiveness of drainage, preventing the evaporator 200 and the condenser 300 from being soaked by the condensed water, and facilitating the improvement of the heat exchange efficiency of the evaporator 200 and the condenser 300.
According to the air duct shell 100 for the clothes dryer provided by the embodiment of the invention, the drainage groove 11 is formed on the inner surface of the bottom wall of the body 10, the partition plate 20 is matched with the body 10 to define the drainage channel 12, so that the drainage channel 12 is integrally formed in the air duct shell 100, the leakage of condensed water and gas is effectively avoided, the drying efficiency of the clothes dryer is improved, and the air duct shell 100 is simple in structure, easy to process and capable of preventing the backflow of the condensed water.
In some embodiments, the body 10 may be a foam, foam rubber, or like foam. Therefore, the heat preservation effect of the air duct shell 100 is improved, and the weight of the air duct shell 100 is reduced.
In some embodiments, the body 10 may include an upper case and a lower case, wherein the bottom wall of the lower case has a liquid discharge groove 11 and a liquid guide groove 13 on the inner surface, and the partition 20 and the lower case define a liquid discharge passage 12. For convenience of illustration of the internal structures of the liquid discharge passage 12, the liquid guide groove 13, and the like of the air duct case 100, only the lower case is illustrated in fig. 1 to 3, and the upper case is not illustrated.
The inventor researches and discovers that when the clothes dryer runs for a long time, although the filter screen filters the burrs or clothes generated in the clothes drying process, small clothes or burrs can not enter the air channel. After entering the air duct, small clothes or lint may be accumulated on the front surface of the evaporator 200 for a long time, and large lint or clothes may be formed without cleaning, and then fall onto the liquid guide groove 13 or the partition plate 20. The lint or clothes falling on the liquid guide tank 13 or the partition plate 20 may be accumulated to block the liquid guide tank 13, so that the condensed water may not smoothly flow into the drainage passage 12. Moreover, after the liquid guide groove 13 is blocked, the water level of the condensed water will rise, and the soaking heat exchanger (including the evaporator 200 and the condenser 300) will cause the reduction of the heat exchange capability, which will affect the performance of the whole machine, the clothes drying time will be lengthened, and the power consumption will be increased.
Therefore, in some embodiments of the present invention, as shown in fig. 1 and fig. 2, the bottom wall of the first chamber 110 is provided with a plurality of liquid guiding grooves 13, and the plurality of liquid guiding grooves 13 are arranged along the air flow direction, wherein at least one liquid guiding groove 13 is communicated with the liquid discharge channel 12 through the liquid passing opening 14, and at least two adjacent liquid guiding grooves 13 are communicated through the communication opening 15.
If one of the liquid guiding grooves 13 is blocked by piled flock or clothes, condensed water in the liquid guiding groove 13 can flow into the adjacent liquid guiding groove 13 through the communicating port 15 so as to smoothly enter the liquid drainage channel 12 through the adjacent liquid guiding groove 13, and therefore the reduction of the heat exchange capacity of the heat exchanger caused by the blockage of the liquid guiding groove 13 is reduced or avoided, the performance of the whole machine is favorably ensured, the drying time of the clothes is shortened, and the power consumption is reduced.
According to the air duct shell 100 for the clothes dryer provided by the embodiment of the invention, at least two adjacent liquid guide grooves 13 are communicated through the communication port 15, after the whole machine is used for a long time, flocks or sundries are accumulated to block the liquid guide grooves 13, and condensed water can flow into the adjacent liquid guide grooves 13 through the communication port 15 to be smoothly discharged into the liquid discharge channel 12 through the adjacent liquid guide grooves 13, so that the reduction of the heat exchange capacity of the heat exchanger caused by the rise of the water level of the condensed water is effectively reduced or avoided, the performance of the whole machine is improved, the clothes drying time is reduced, and the power consumption is reduced.
It should be noted that, in the embodiment of the present invention, in the plurality of liquid guide grooves 13, two adjacent liquid guide grooves 13 may be communicated through the communication port 15, so as to reduce the risk that the liquid guide grooves 13 are blocked to reduce the heat exchange capacity of the heat exchanger; or as shown in fig. 1 and fig. 2, two liquid guiding grooves 13 which are arbitrarily and adjacently arranged are communicated through a communication port 15, so that when any one liquid guiding groove 13 is blocked, condensed water can flow to the adjacent liquid guiding groove 13 through the communication port 15 for liquid drainage, and the risk that the heat exchange capacity of the heat exchanger is reduced due to the blockage of the liquid guiding groove 13 is greatly reduced.
Further, as shown with continued reference to fig. 1 and 2, any two liquid guide grooves 13 adjacently provided communicate with each other through at least one communication port 15. In the embodiment that any two adjacent liquid guide grooves 13 are communicated through the plurality of communication ports 15, the communication effect of the two adjacent liquid guide grooves 13 is good, condensed water can flow between the two liquid guide grooves 13 from a plurality of positions, and the risk that the heat exchange capacity of the heat exchanger is reduced due to the fact that the liquid guide grooves 13 are blocked is effectively avoided.
According to some embodiments of the invention, as shown in fig. 1-3, the bottom wall of the first chamber 110 is provided with at least one weep hole 21, and the weep hole 21 communicates the first chamber 110 with the drain passage 12. The condensed water can also flow directly from the first chamber 110 to the drain passage 12 through the weep hole 21 to be drained through the drain passage 12. Therefore, after the liquid guide groove 13 is blocked, when the condensed water cannot flow to the liquid drainage channel 12 through the liquid guide groove 13, the condensed water can be drained through the liquid leakage holes 21, so that the problem that the heat exchange capacity of the heat exchanger is reduced due to the fact that the water level of the condensed water is increased is avoided, the performance of the whole machine is improved, and the clothes drying time is shortened.
It should be noted that, in the embodiment of the present invention, the air duct casing 100 may be provided with the communication port 15 and the liquid leakage hole 21 at the same time, or may be provided with only one of the communication port 15 and the liquid leakage hole 21, which may both reduce the risk of the liquid guiding groove 13 being blocked to reduce the heat exchange capability of the heat exchanger. In the embodiment of arranging the communication port 15 and the liquid leakage hole 21 at the same time, the effect of avoiding the reduction of the heat exchange capacity of the heat exchanger is better under the synergistic effect of the communication port 15 and the liquid leakage hole.
In some embodiments, as shown in fig. 1 and fig. 2, the number of the weep holes 21 is multiple, and the plurality of weep holes 21 are arranged along the airflow direction, so that the plurality of weep holes 21 can realize the drainage of the condensed water from a larger range in the airflow direction, and the drainage efficiency of the condensed water is higher. It should be noted that three weep holes 21 are shown in fig. 1-3 for illustrative purposes, and in other embodiments, two, four or more weep holes 21 may be provided, in other words, two or more weep holes 21 are provided.
According to some embodiments of the present invention, as shown in FIG. 3, the weep hole 21 is disposed right above the liquid discharge channel 12, and as shown in FIG. 2, the weep hole 21 is disposed between the liquid guiding groove 13 and the side wall of the first chamber 110. The liquid leakage holes 21 are not easy to be blocked by the shavings or the clothes, and after the liquid guide groove 13 is blocked, the condensed water overflows from the liquid guide groove 13 and can flow into the liquid leakage holes 21 more smoothly, and the condensed water is smoothly leaked to the liquid drainage channel 12 from the liquid leakage holes 21, so that the liquid drainage efficiency is higher.
In the embodiment that the air duct casing 100 includes the body 10 and the partition plate 20, as shown in fig. 1 to 3, the partition plate 20 may be provided with the weep hole 21, so that the weep hole 21 is directly communicated with the liquid discharge channel 12, so that liquid discharge is smoother, and the weep hole 21 is easier to process, which is beneficial to reducing difficulty in processing.
In some embodiments of the present invention, as shown in fig. 1-3, a portion of the partition 20 forms a bottom wall of the first chamber 110 and another portion of the partition 20 forms a bottom wall of the second chamber 120, the partition 20 being provided with at least one weep hole 21 communicating with the drain passage 12. So that the extended length of the drainage channel 12 is longer, which is beneficial to avoiding the backflow of the condensed water in the drainage channel 12.
In addition, as shown in fig. 1 to fig. 3, the weep hole 21 is formed in the bottom wall of the first chamber 110, that is, the weep hole 21 is formed in a portion of the partition 20, so that the condensed water in the first chamber 110 can smoothly flow into the drain channel 12 through the weep hole 21, and the condensed water in the drain channel 12 flows from the first chamber 110 to the second chamber 120, which is beneficial to preventing the condensed water in the drain channel 12 from flowing back.
The inventor has found that during the operation of the clothes dryer, the first chamber 110 and the second chamber 120 are under negative pressure, and the liquid discharge passage 12 is communicated with the outside, so that the pressure in the liquid discharge passage 12 is atmospheric. After the moist air passes through the evaporator 200 to condense the moisture in the moist air into condensed water during operation, the condensed water flows along the liquid discharge channel 12 (as shown by the forward and backward arrows in the liquid discharge channel 12 in fig. 3) to the water collection tank or is discharged. In practical process, due to the difference between the internal pressure and the external pressure existing in the drainage channel 12 and the first chamber 110, the condensed water is sucked into the first chamber 110 along the direction of the return water (as shown by the arrow in the drainage channel 12 in fig. 3, which is backward and forward), and the condensed water at the liquid passing port 14 is boiled due to the large local pressure difference and even enters the second chamber 120. The sucked condensate water can affect the heat exchange efficiency of the heat exchanger, further affect the performance of the whole machine, prolong the drying time and increase the energy consumption.
Therefore, in some embodiments of the present invention, as shown in fig. 1 and 2, the plurality of liquid guiding grooves 13 includes at least one first liquid guiding groove 131 and at least one second liquid guiding groove 132, and the second liquid guiding groove 132 is located on a side of the first liquid guiding groove 131 close to the second chamber 120, i.e. on a downwind side of the first liquid guiding groove 131. In other words, the second chamber 120 is located on the leeward side of the first chamber 110 in the airflow direction, and the plurality of liquid guiding grooves 13 include a first liquid guiding groove 131 and a second liquid guiding groove 132 arranged in the airflow direction. In other words, when there are one or more second liquid guiding grooves 132 and one or more first liquid guiding grooves 131, all of the second liquid guiding grooves 132 are located on a side of all of the first liquid guiding grooves 131 close to the second chamber 120. For example, in the example shown in fig. 1 and 2, the air flow in the air duct housing 100 flows from the front to the rear, the second chamber 120 is located at the rear side of the first chamber 110, and the two second liquid-guiding grooves 132 are all located at the rear side of the three first liquid-guiding grooves 131.
The first liquid guiding groove 131 is communicated with the liquid discharging channel 12 through the liquid passing opening 14, and the second liquid guiding groove 132 is communicated with the liquid discharging channel 12 through the first liquid guiding groove 131. That is to say, the condensed water in the first liquid guiding groove 131 can be directly discharged into the liquid discharging channel 12 through the liquid passing opening 14, and the condensed water in the second liquid guiding groove 132 needs to flow to the first liquid guiding groove 131 first and then be discharged into the liquid discharging channel 12 through the liquid passing opening 14. Similarly, if the condensed water reflows due to the difference between the internal pressure and the external pressure, the reflowed condensed water reflows to the first liquid guiding groove 131 only and does not directly or indirectly reflow to the second liquid guiding groove 132 which is closer to the second chamber 120, so that the reflowed condensed water can be prevented from entering the second chamber 120, the heat exchange efficiency of the condenser 300 in the second chamber 120 is ensured, and the problems of long drying time and high energy consumption of the whole machine are solved.
For example, in the example shown in fig. 1 and 2, one end of the first liquid guide groove 131 close to the liquid discharge channel 12 communicates with the liquid discharge channel 12 through the liquid passing port 14, one end of the second liquid guide groove 132 close to the liquid discharge channel 12 is closed, and the middle portion of the second liquid guide groove 132 communicates with the liquid discharge channel 12 through the first liquid guide groove 131. The distance between the communication position of the second liquid guiding groove 132 and the first liquid guiding groove 131 and the liquid passing port 14 is larger, and even if the condensed water flows back to the first liquid guiding groove 131 through the liquid passing port 14, the condensed water is not easy to enter the second liquid guiding groove 132, so that the phenomenon that the condensed water in the second liquid guiding groove 132 overflows due to excessive amount is avoided, and the condensed water flows into the second chamber 120 is avoided.
It should be noted that the phrase "the middle portion of the second liquid guiding groove 132 communicates with the liquid discharge channel 12 through the first liquid guiding groove 131" means that the second liquid guiding groove 132 does not communicate with the first liquid guiding groove 131 through both end portions, i.e., the end portion close to the liquid discharge channel 12 or the end portion far from the liquid discharge channel 12, but the region of the second liquid guiding groove 132 excluding both end portions communicates with the liquid discharge channel 12 through the first liquid guiding groove 131. For example, in some embodiments, two ends of the second liquid guiding groove 132 are distributed perpendicular to the airflow direction, and the second liquid guiding groove 132 has two side groove walls opposite to and spaced apart from each other along the airflow direction, and the side groove walls of the second liquid guiding groove 132 are provided with a communication port communicating with the first liquid guiding groove 131, the communication port being located between the two ends of the second liquid guiding groove 132, i.e. in the middle of the second liquid guiding groove 132, whereby the middle of the second liquid guiding groove 132 communicates with the liquid discharge channel 12 through the first liquid guiding groove 131.
In some embodiments, referring to fig. 2, one end (e.g. right end shown in fig. 2) of the first liquid guiding groove 131 extends to the side wall of the first chamber 110, the other end (e.g. left end shown in fig. 2) of the first liquid guiding groove 131 is communicated with the liquid discharging channel 12 through the liquid passing port 14, one end (e.g. right end shown in fig. 2) of the second liquid guiding groove 132 extends to the side wall of the first chamber 110, the other end (e.g. left end shown in fig. 2) of the second liquid guiding groove 132 is closed, and the middle part of the second liquid guiding groove 132 is communicated with the first liquid guiding groove 131 through the communication port 15. One end of the first liquid guiding groove 131 and one end of the second liquid guiding groove 132 extend to the side wall of the first chamber 110, so that the liquid guiding groove 13 can collect condensed water in a wider range, the condensed water in the first chamber 110 can timely flow to the liquid drainage channel 12, and the water level of the condensed water in the first chamber 110 is prevented from rising to reduce the heat exchange efficiency of the heat exchanger.
According to the air duct casing 100 for the clothes dryer of the embodiment of the invention, the first liquid guide groove 131 and the second liquid guide groove 132 are arranged, so that when condensate water flows back, the condensate water is not easy to enter the second liquid guide groove 132 and the second chamber 120, the condenser 300 in the second chamber 120 is effectively prevented from being soaked, the heat exchange efficiency is reduced, the performance of the whole machine is improved, the drying time is shorter, and the energy consumption is lower.
In the embodiment including the weep hole 21, as shown in fig. 1 and 2, the weep hole 21 may be located directly above a portion of the liquid discharge channel 12 near the first liquid guide groove 131. In other words, the liquid leakage hole 21 is located on one side of the liquid guiding groove 13 close to the liquid drainage channel 12 of the part of the liquid guiding grooves 13 far away from the second chamber 120, so that even if the condensed water reflows through the liquid leakage hole 21 or boils at the liquid leakage hole 21, the reflowed condensed water is not easy to enter the second liquid guiding groove 132 and the second chamber 120, thereby further avoiding the heat exchange efficiency reduction of the heat exchanger in the second chamber 120 and improving the performance of the whole machine.
The structure of the first and second liquid guide grooves 131 and 132 will be described with reference to the drawings.
In some embodiments, there are one second liquid guiding groove 132, one or more first liquid guiding grooves 131, and the second liquid guiding groove 132 and the adjacent first liquid guiding groove 131 are communicated through at least one first communication port 151, so that the condensed water in the second liquid guiding groove 132 can enter the adjacent first liquid guiding groove 131 through the first communication port 151 and be drained to the liquid drainage channel 12 through the first liquid guiding groove 131.
In other embodiments, as shown in fig. 1 and 2, there are a plurality of second liquid guiding grooves 132, a plurality of second liquid guiding grooves 132 are arranged along the airflow direction, and one or more first liquid guiding grooves 131 are provided. The first liquid guide groove 131 and the second liquid guide groove 132 which are adjacently arranged are communicated through at least one first communication opening 151, and the two second liquid guide grooves 132 which are adjacently arranged are communicated through at least one second communication opening 152. So that the condensed water in the second liquid guiding groove 132 close to the second chamber 120 enters the second liquid guiding groove 132 adjacent to the second chamber and close to the first liquid guiding groove 131 through the second communicating opening 152, and the condensed water in the second liquid guiding groove 132 further enters the adjacent first liquid guiding groove 131 through the first communicating opening 151 and is discharged to the liquid discharge channel 12 through the first liquid guiding groove 131.
According to some embodiments of the present invention, two adjacent second communication ports 152 in the air flow direction are arranged in a staggered manner in the length direction of the second liquid guiding groove 132. After the backflow condensed water enters one of the second liquid guide grooves 132, the backflow condensed water is not easy to flow to the other second liquid guide grooves 132 through the second communication port 152, so that the risk that the backflow condensed water enters the second liquid guide grooves 132 and the second chamber 120 is reduced. Taking the second liquid guiding grooves 132 as three examples, the three second liquid guiding grooves 132 may be arranged along the front-back direction and extend along the left-right direction, the second communication port 152 communicating the front second liquid guiding groove 132 with the middle second liquid guiding groove 132, and the second communication port 152 communicating the middle second liquid guiding groove 132 with the rear second liquid guiding groove 132 are arranged in a staggered manner in the length direction (i.e. the left-right direction) of the second liquid guiding groove 132, that is, the projections of the two in the air flow direction do not overlap at least partially.
According to some embodiments of the present invention, as shown in fig. 2, the distance between the first communication port 151 and the second communication port 152 near the liquid discharge channel 12 and the liquid discharge channel 12 is gradually increased in the air flow direction, so that the first communication port 151 and the second communication port 152 near the liquid discharge channel 12 are distributed in a stepwise manner and are kept at a certain distance from the liquid discharge channel 12, and even if the condensate flows back or boils at the liquid outlet 14, the condensate in the first liquid guide groove 131 is not easy to enter the adjacent second liquid guide groove 132 through the first communication port 151, and even if the condensate enters the second liquid guide groove 132 through the first communication port 151, the condensate is not easy to enter the second liquid guide groove 132 closer to the second chamber 120 further through the second communication port 152, so that the risk of the condensate entering the second chamber 120 is effectively reduced, and the heat exchange efficiency of the condenser 300 in the second chamber 120 is ensured.
For example, in the example shown in fig. 2, there are two second liquid guide grooves 132, two second liquid guide grooves 132 are communicated through one second communication port 152, one of the second liquid guide grooves 132 is communicated with the adjacent first liquid guide groove 131 through one first communication port 151, and the distance from the first communication port 151 to the liquid discharge channel 12 is smaller than the distance from the second communication port 152 to the liquid discharge channel 12. In other embodiments, there are three second liquid guide grooves 132, the rear second liquid guide groove 132 communicates with the intermediate second liquid guide groove 132 through one second communication port 152 (referred to as a rear second communication port 152), the intermediate second liquid guide groove 132 communicates with the front second liquid guide groove 132 through one second communication port 152 (referred to as a front second communication port 152), and the front second liquid guide groove 132 communicates with the adjacent first liquid guide groove 131 through one first communication port 151, wherein the first communication port 151, the front second communication port 152, and the rear second communication port 152 are sequentially spaced from the liquid discharge channel 12. From the above description, it is understood by those skilled in the art that the number of the second liquid guide grooves 132 is more, and the number of the first communication port 151 and the second communication port 152 is more.
According to some embodiments of the present invention, there may be one first liquid guiding groove 131, or as shown in fig. 2, there may be a plurality of first liquid guiding grooves 131, a plurality of first liquid guiding grooves 131 are arranged along the airflow direction, and two adjacent first liquid guiding grooves 131 are communicated through at least one third communication port 153. Therefore, when one of the first liquid guiding grooves 131 is blocked by the shavings or the clothes, the condensed water in the first liquid guiding groove 131 can enter the adjacent first liquid guiding groove 131 through the third communication port 153 and then be discharged to the liquid discharge channel 12, thereby preventing the heat exchange efficiency of the heat exchanger from being reduced due to the blockage of the first liquid guiding groove 131.
In some embodiments of the present invention, as shown in fig. 1 and 2, the third communication ports 153 adjacent to each other in the air flow direction are arranged to be staggered in the length direction of the first liquid guide groove 131. The staggered third communication ports 153 can enable the first liquid guide grooves 131 to be communicated in a larger range, the flow path of the condensed water is more complex, the risk that the adjacent third communication ports 153 in the airflow direction are simultaneously blocked is reduced, and the discharged condensed water is smoother. Taking three first liquid guiding grooves 131 as an example, the three first liquid guiding grooves 131 may be arranged in the front-back direction and extend in the left-right direction, a third communication port 153 communicating the front first liquid guiding groove 131 with the middle first liquid guiding groove 131, and a third communication port 153 communicating the middle first liquid guiding groove 131 with the rear first liquid guiding groove 131, which are arranged in a staggered manner in the length direction (i.e. the left-right direction) of the first liquid guiding groove 131, that is, projections of the two in the air flow direction do not overlap at least partially.
According to some embodiments of the present invention, as shown in FIGS. 1 and 2, each of the liquid guide channels 13 extends perpendicular to the direction of the air flow, i.e., the length direction of the liquid guide channels 13 is perpendicular to the direction of the air flow. One end of at least one liquid guide groove 13 in the length direction is communicated with the liquid drainage channel 12 through a liquid passing port 14, so that condensed water in the liquid guide groove 13 can be drained into the liquid drainage channel 12 through the liquid passing port 14. One side of the width direction of two adjacent liquid guide grooves 13 is communicated through a communication port 15, so that when one liquid guide groove 13 is blocked by flock or clothes, condensed water can enter the adjacent liquid guide groove 13 through the communication port 15 and be discharged into the liquid discharge channel 12 side by side, and the influence on the heat exchange efficiency of the heat exchanger is reduced or avoided.
For example, in an embodiment where the plurality of liquid guiding grooves 13 include the first liquid guiding groove 131 and the second liquid guiding groove 132, as shown in fig. 2, the first liquid guiding groove 131 and the second liquid guiding groove 132 respectively extend perpendicular to the airflow direction, and one ends of the first liquid guiding groove 131 and the second liquid guiding groove 132, which are far away from the liquid drainage channel 12, extend to the side wall of the air duct shell 100, so that the first liquid guiding groove 131 and the second liquid guiding groove 132 can collect the condensed water in the first chamber 110 more fully, and smoothly guide the collected condensed water to the liquid drainage channel 12, thereby improving the efficiency of draining the condensed water.
According to some embodiments of the present invention, as shown in fig. 3, the liquid discharge channel 12 extends along the air flow direction, and at least one liquid guiding groove 13 is communicated with the liquid inlet end (e.g. the front end shown in fig. 3) of the liquid discharge channel 12 through the liquid passing opening 14, for example, the first liquid guiding groove 131 is communicated with the liquid inlet end of the liquid discharge channel 12 through the liquid passing opening 14. After entering the liquid drainage channel 12 through the liquid passing port 14, the condensed water flows along the air flow direction to be drained to a water collecting tank or the outside, and the extended length of the liquid drainage channel 12 is longer, which is beneficial to solving the problem of backflow of the condensed water.
According to some embodiments of the present invention, as shown in fig. 1-3, the bottom wall of the duct case 100 is provided with a blocking rib 30, and the blocking rib 30 separates the first chamber 110 from the second chamber 120. The blocking ribs 30 with a certain height can prevent the condensed water flowing back to the first chamber 110 from boiling and passing through, and the condensed water is completely blocked in the first chamber 110, so that the heat exchange efficiency of the condenser 300 in the second chamber 120 is ensured, and the problems of long drying time and high energy consumption of the whole machine are solved.
In some embodiments of the present invention, as shown in fig. 2, both ends of the blocking rib 30 are respectively connected to two sidewalls of the air duct case 100 that are opposite to each other, for example, both ends of the blocking rib 30 are respectively connected to the left sidewall and the right sidewall shown in fig. 2. So that the blocking rib 30 can block the condensed water in a larger range, when the condensed water blocking the liquid guide groove 13 or the returned condensed water is more in the distribution range of the condensed water perpendicular to the air flow direction in the first chamber 110, the blocking rib 30 can still have a good blocking effect, and the heat exchange efficiency of the condenser 300 in the second chamber 120 is ensured.
According to some embodiments of the present invention, the top of the blocking rib 30 is lower than the heat exchange tubes of the evaporator 200 and/or the condenser 300 near the bottom wall of the air duct casing 100, on one hand, the blocking rib 30 can achieve a good effect of blocking condensed water from entering the second chamber 120, and on the other hand, the resistance of the blocking rib 30 to the air flow is reduced, so that the air flow in the first chamber 110 can smoothly cross the blocking rib 30 and enter the second chamber 120 as shown by the arrow in fig. 3, the blocking rib 30 has no influence on the heat exchange efficiency of the heat exchange tubes of the evaporator 200 and/or the condenser 300 and the air, and the heat exchange efficiency is ensured.
In the embodiment where the air duct casing 100 includes the body 10 and the partition plate 20, as shown in fig. 1 and 2, the inner surface of the bottom wall of the body 10 has the first blocking rib 31, the upper surface of the partition plate 20 has the second blocking rib 32, the first blocking rib 31 and the second blocking rib 32 are connected to form the blocking rib 30, the blocking rib 30 separates the first chamber 110 from the second chamber 120, and the blocking rib 30 is easier to process. For example, in some embodiments, the first blocking rib 31 may be integrally formed with the bottom wall of the body 10, and the second blocking rib 32 may be integrally formed with the partition plate 20, so as to not only improve the reliability and the sealing performance of the connection between the blocking rib 30 and the bottom wall of the air duct casing 100, but also achieve the installation of the blocking rib 30 while installing the partition plate 20, thereby reducing the assembly processes.
In some embodiments of the present invention, as shown in fig. 1 to 3, the second blocking rib 32 includes one or more, and the plurality of second blocking ribs 32 are arranged at intervals along the width direction thereof, that is, the plurality of second blocking ribs 32 are arranged at intervals along the arrangement direction of the first chamber 110 and the second chamber 120. A certain gap is formed between two adjacent second barrier ribs 32, so that the plurality of second barrier ribs 32 form a multi-layer barrier. If the water level of the condensed water in the first chamber 110 is higher than the height of the second blocking rib 32, after the condensed water crosses the first second blocking rib 32 close to the first chamber 110, the condensed water will flow to the gap between the two second blocking ribs 32 and be blocked by the second blocking rib 32, so that a better condensed water blocking effect can be realized at a certain height of the blocking rib 30.
The dryer according to the embodiment of the present invention includes the duct case 100 for the dryer according to the embodiment of the present invention. Since the air duct casing 100 for the clothes dryer according to the embodiment of the present invention has the above-mentioned beneficial technical effects, according to the clothes dryer according to the embodiment of the present invention, the drainage groove 11 is formed on the inner surface of the bottom wall of the body 10, and the one-piece partition plate 20 cooperates with the body 10 to define the drainage channel 12, so that the drainage channel 12 is integrally formed in the air duct casing 100, thereby effectively avoiding leakage of condensed water and gas leakage, and being beneficial to improving the drying efficiency of the clothes dryer, and the air duct casing 100 has a simple structure, is easy to process, and prevents backflow of condensed water.
Other constructions and operations of the dryer and the duct housing 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. An air duct housing for a clothes dryer, the air duct housing having a first chamber for mounting an evaporator and a second chamber for mounting a condenser, the air duct housing comprising:
the inner surface of the bottom wall of the body is provided with a liquid drainage groove and a liquid guide groove;
the partition plate covers the notch of the liquid drainage groove to define a liquid drainage channel with the body, and the liquid guide groove is communicated with the first cavity and the liquid drainage channel;
the second chamber is positioned at the downwind side of the first chamber along the airflow direction, the liquid guide groove comprises a first liquid guide groove and a second liquid guide groove which are arranged along the airflow direction, the second liquid guide groove is positioned at the downwind side of the first liquid guide groove,
one end of the first liquid guide groove, which is close to the liquid drainage channel, is communicated with the liquid drainage channel through a liquid passing port, one end of the second liquid guide groove, which is close to the liquid drainage channel, is closed, and the middle part of the second liquid guide groove is communicated with the liquid drainage channel through the first liquid guide groove;
the second liquid guide grooves are arranged along the airflow direction,
the first liquid guide groove and the second liquid guide groove which are adjacently arranged are communicated through at least one first communication opening, and the two second liquid guide grooves which are adjacently arranged are communicated through at least one second communication opening;
two adjacent second communication ports in the airflow direction are arranged in a staggered manner in the length direction of the second liquid guide groove.
2. The duct casing for the clothes dryer according to claim 1, wherein the inner surface of the bottom wall of the body has a first blocking rib, and the upper surface of the partition has a second blocking rib, and the first blocking rib and the second blocking rib are connected to separate the first chamber from the second chamber.
3. The duct casing for the clothes dryer according to claim 2, wherein the second blocking rib includes one or more, and a plurality of the second blocking ribs are arranged at intervals in a width direction thereof.
4. The duct casing for clothes dryer according to claim 1, characterized in that a portion of the partition forms a bottom wall of the first chamber and another portion forms a bottom wall of the second chamber, the partition being provided with at least one weep hole communicating with the drain passage.
5. The air duct casing for the clothes dryer of claim 4, wherein the leakage hole is formed at a bottom wall of the first chamber.
6. The duct casing for the clothes dryer according to claim 1, wherein the second liquid guiding groove is one, and the second liquid guiding groove is communicated with the adjacent first liquid guiding groove through at least one first communication port.
7. The duct casing for the clothes dryer according to claim 1, wherein the first and second communication ports adjacent to the liquid discharge channel are respectively at distances from the liquid discharge channel gradually increasing in the air flow direction.
8. The duct housing for a clothes dryer of claim 1, wherein,
the number of the first liquid guide grooves is one; alternatively, the first and second electrodes may be,
the first liquid guide grooves are arranged along the airflow direction, and the two adjacent first liquid guide grooves are communicated through at least one third communication opening.
9. The air duct shell for the clothes dryer according to claim 8, wherein the third communication ports adjacent to each other in the air flow direction are arranged in a staggered manner along a length direction of the first liquid guide groove.
10. The air duct casing for the clothes dryer according to claim 1, wherein the first liquid guiding groove and the second liquid guiding groove respectively extend perpendicular to the airflow direction, and ends of the first liquid guiding groove and the second liquid guiding groove far away from the liquid discharge channel extend to a side wall of the air duct casing.
11. The air duct casing for the clothes dryer according to claim 1, wherein the liquid discharge channel extends along the air flow direction, and the first liquid guide groove is communicated with the liquid inlet end of the liquid discharge channel through the liquid passing opening.
12. Laundry dryer, characterized in that it comprises a duct casing for laundry dryer according to any one of claims 1-11.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852458.5A CN114075772B (en) | 2020-08-21 | 2020-08-21 | Air duct shell for clothes dryer and clothes dryer |
| EP20950044.6A EP4098793A4 (en) | 2020-08-21 | 2020-10-22 | Air duct shell for use in clothes dryer and clothes dryer |
| PCT/CN2020/122930 WO2022036840A1 (en) | 2020-08-21 | 2020-10-22 | Air duct shell for use in clothes dryer and clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852458.5A CN114075772B (en) | 2020-08-21 | 2020-08-21 | Air duct shell for clothes dryer and clothes dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114075772A CN114075772A (en) | 2022-02-22 |
| CN114075772B true CN114075772B (en) | 2023-02-28 |
Family
ID=80282569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010852458.5A Active CN114075772B (en) | 2020-08-21 | 2020-08-21 | Air duct shell for clothes dryer and clothes dryer |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4098793A4 (en) |
| CN (1) | CN114075772B (en) |
| WO (1) | WO2022036840A1 (en) |
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| KR101021778B1 (en) * | 2003-12-26 | 2011-03-15 | 엘지전자 주식회사 | Drainage under the condenser of dryer |
| US7191546B2 (en) * | 2004-06-18 | 2007-03-20 | Maruca Robert E | Low temperature clothes dryer |
| EP3063330A1 (en) * | 2013-11-01 | 2016-09-07 | Arçelik Anonim Sirketi | A heat pump laundry dryer |
| CN106480676B (en) * | 2016-10-28 | 2019-07-19 | 无锡小天鹅股份有限公司 | Dryer and evaporator assemblies for dryer |
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2020
- 2020-08-21 CN CN202010852458.5A patent/CN114075772B/en active Active
- 2020-10-22 WO PCT/CN2020/122930 patent/WO2022036840A1/en unknown
- 2020-10-22 EP EP20950044.6A patent/EP4098793A4/en active Pending
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|---|---|---|---|---|
| JP2009022827A (en) * | 2007-07-17 | 2009-02-05 | Sharp Corp | Air conditioner |
| CN102292496A (en) * | 2009-02-05 | 2011-12-21 | Lg电子株式会社 | Heat pump module and drying apparatus using heat pump module |
| CN103370467A (en) * | 2010-11-29 | 2013-10-23 | 伊莱克斯家用产品股份有限公司 | Laundry dryer |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2022036840A1 (en) | 2022-02-24 |
| EP4098793A1 (en) | 2022-12-07 |
| CN114075772A (en) | 2022-02-22 |
| EP4098793A4 (en) | 2023-09-06 |
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