WO2020029479A1 - 除湿机 - Google Patents

除湿机 Download PDF

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Publication number
WO2020029479A1
WO2020029479A1 PCT/CN2018/117928 CN2018117928W WO2020029479A1 WO 2020029479 A1 WO2020029479 A1 WO 2020029479A1 CN 2018117928 W CN2018117928 W CN 2018117928W WO 2020029479 A1 WO2020029479 A1 WO 2020029479A1
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WO
WIPO (PCT)
Prior art keywords
sub
evaporator
condenser
air inlet
dehumidifier
Prior art date
Application number
PCT/CN2018/117928
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English (en)
French (fr)
Inventor
魏留柱
程超
李凯龙
Original Assignee
广东美的制冷设备有限公司
美的集团股份有限公司
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Application filed by 广东美的制冷设备有限公司, 美的集团股份有限公司 filed Critical 广东美的制冷设备有限公司
Publication of WO2020029479A1 publication Critical patent/WO2020029479A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification

Definitions

  • the present application relates to the field of dehumidifier equipment, and in particular, to a dehumidifier.
  • the humid environment is not conducive to people's activities, nor is it conducive to the storage and use of equipment.
  • the dehumidifier can play the role of dry air, allowing people or equipment to work in a suitable humidity environment.
  • the dehumidifier uses a vapor compression refrigeration cycle system to make the evaporator obtain an evaporation temperature lower than the dew point of the ambient air. When the air passes through the evaporator, once the air temperature drops below the dew point temperature, the evaporator will condense the moisture in the air. The low-temperature and low-humidity air condensed by the evaporator passes through the condenser.
  • the condenser relies on the high-temperature and high-pressure refrigerant gas in the system to heat the air and then transport it to the indoor environment to avoid the impact of low-temperature air on the environment.
  • the energy efficiency of the dehumidifier is relatively low, and the dehumidification capacity is significantly attenuated at a lower temperature, which is difficult to meet the current development requirements.
  • the present application aims to solve at least one of the technical problems existing in the prior art. For this reason, the present application is to propose a dehumidifier, which can improve the dehumidification effect on the evaporator side and improve the energy efficiency ratio of the whole machine on the condenser side.
  • the dehumidifier according to the present application comprises: a casing having an air inlet; an evaporator disposed in the casing; a condenser disposed in the casing;
  • the windward side of the condenser includes a plurality of sub-faces facing differently.
  • the windward side includes a first surface and a second surface. The first surface is blocked by the evaporator to receive the airflow flowing through the evaporator.
  • the second surface is unobstructed to directly receive airflow flowing through the air inlet.
  • the dehumidification effect can be improved on the evaporator side, and the energy efficiency ratio of the whole machine can be improved on the condenser side.
  • the area S2 of the second surface and the area S1 of the first surface satisfy a relationship: 5% ⁇ S2 / (S2 + S1) ⁇ 50%.
  • the air inlet includes a first air inlet formed on a rear surface of the housing, a second air inlet formed on a left surface of the housing, and the housing
  • a third air inlet on the right surface of the air conditioner, the condenser is a U-shaped heat exchanger and the windward surface includes a first sub-surface facing the first air inlet, and a second sub-surface facing the second air inlet Surface, a third sub-surface facing the third air inlet, a first bent sub-surface connecting the first sub-surface and the second sub-surface, and a connection between the first sub-surface and the third sub-surface The second bend subface of the face.
  • the evaporator is a U-shaped heat exchanger and includes a first portion, a second portion, a third portion, a first bending section and a second bending section, the first portion being parallel to the first A sub-surface and blocking a part of the first sub-surface, the second portion is parallel to the second sub-surface and blocking a part of the second sub-surface, the third portion is parallel to the third sub-surface
  • the first part and the second part are connected by a first bending section, and the first part and the third part are connected by a second bending section.
  • the evaporator is an L-shaped heat exchanger and includes a first portion, a second portion, and a first bending section, the first portion is parallel to the first sub-surface and covers the first sub-surface. At least part of a face, the second part is parallel to the second sub-face and blocks at least part of the second sub-face, or the second part is parallel to the third sub-face and blocks the third At least part of the sub-surface, the first part and the second part are connected by a first bending section.
  • the evaporator is an in-line heat exchanger, the evaporator is parallel to the first sub-surface and covers at least a portion of the first sub-surface.
  • the gap between the evaporator and the first sub-surface in the front-back direction is 2.5 mm to 4.5 mm.
  • the gap between the evaporator and the first sub-surface in the front-back direction is 3.5 mm to 3.8 mm.
  • the second surface is above the first surface.
  • the condenser and the evaporator are both U-shaped heat exchangers, or both are L-shaped heat exchangers, or both are in-line heat exchangers.
  • the first surface is blocked by the evaporator and directly receives airflow flowing through the evaporator.
  • FIG. 1 is a front view of a partial structure of a dehumidifier according to an embodiment of the present application
  • Fig. 2 is a sectional view taken along line A-A in Fig. 1;
  • Figure 3 is a left side view of Figure 1;
  • Figure 4 is a top view of Figure 1;
  • FIG. 5 is a schematic diagram of a modified example of the evaporator and the condenser shown in FIG. 4;
  • FIG. 6 is a schematic diagram of another modified example of the evaporator and the condenser shown in FIG. 4;
  • FIG. 7 is a front view of a water receiving tray according to an embodiment of the present application.
  • FIG. 8 is a sectional view taken along line B-B in FIG. 7;
  • Figure 9 is a left side view of Figure 8.
  • FIG. 10 is a plan view of FIG. 7;
  • FIG. 11 is a schematic diagram of a modified example of the water receiving tray shown in FIG. 10.
  • Evaporator 2 first part 21; second part 22; third part 23; first bending section 24; second bending section 25;
  • Condenser 3 windward side 31; first surface 3101; second surface 3102;
  • Floor 41 drainage area 411; junction area 412; junction groove 4120;
  • Drainage channel 401 first end 401a; second end 401b;
  • Rear channel section 4011 inner end 4011a; outer end 4011b;
  • Front channel segment 4012 front end 4012a; rear end 4012b;
  • Diversion channel 402 first diversion section 4021; second diversion section 4022;
  • FIGS. 1 to 6 a dehumidifier 100 according to an embodiment of the first aspect of the present application will be described with reference to FIGS. 1 to 6.
  • a dehumidifier 100 includes a housing 1, an evaporator 2, and a condenser 3.
  • the casing 1 has an air inlet 10, and the evaporator 2 and the condenser 3 are both provided in the casing 1.
  • the windward surface 31 of the condenser 3 includes a plurality of sub-surfaces facing differently (that is, condensation
  • the windward surface 31 of the device 3 includes a plurality of sub-surfaces, each of which has a different orientation, for example, a specific example is given later).
  • the windward surface 31 includes a first surface 3101 and a second surface 3102.
  • the first surface 3101 is blocked by the evaporator 2 to receive the airflow flowing through the evaporator 2, and the second surface 3102 is not blocked (that is, not The evaporator 2 or other components are blocked) to directly receive the airflow flowing through the air inlet 10. That is, the airflow entering the casing 1 from the air inlet 10 is divided into two streams, one of which flows Q2-Q2 first through the evaporator 2 and then to the first surface 3101 of the condenser 3, and the other Q1-Q1 Directly to the second surface 3102 of the condenser 3.
  • each sub-surface can have a first surface 3101, and each sub-surface can also have a first surface Two surfaces 3102, but at least one sub-surface must have a first surface 3101, and at least one sub-surface must have a second surface 3102.
  • the first surface 3101 and the second surface 3102 can be on the same sub-surface.
  • the surface 3101 and the second surface 3102 may not be located on the same sub-plane, that is, the first surface 3101 and the second surface 3102 may also be located on different sub-planes.
  • the dehumidifier 100 since the windward surface 31 of the condenser 3 is larger than the windward surface 31 of the evaporator 2 and the windward surface 31 of the condenser 3 faces multiple directions, at the same inlet wind speed, The inlet air volume of the condenser 3 can be increased, and under the same inlet air volume, the inlet air speed of the evaporator 2 can be reduced, so that the dehumidification time can be extended on the evaporator 2 side, and the overall dehumidification capacity of the dehumidifier 100 can be increased. On the side of the condenser 3, the heat dissipation efficiency of the condenser 3 can be improved, the power of the whole machine can be reduced, and the energy efficiency ratio of the whole machine can be improved.
  • the surface 3102 is not blocked by the evaporator, and can directly receive the airflow flowing through the air inlet 10, so that the area facing the wind of the condenser 3 is larger than the area facing the evaporator 2, so there is no need to increase the number of rows of the condenser 3
  • the load of the condenser 3 is greater than the load of the evaporator 2, so that the air volume can be increased, the heat radiation effect of the condenser 3 can be improved, and the energy efficiency ratio of the whole machine can be improved.
  • the area S2 of the second surface 3102 and the area S1 of the first surface 3101 satisfy a relationship: 5% ⁇ S2 / (S2 + S1) ⁇ 50%. That is, the ratio of the unshielded portion of the windward surface 31 of the condenser 3 to the total windward surface 31 is 5% to 50%, for example, it can be 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, etc. Therefore, by limiting the ratio of S2 / (S2 + S1), it can be ensured that the proportion of the second surface 3102 is neither too large nor too small.
  • the condenser 3 includes a total of 7 long heat exchange tubes, of which 5 long heat exchange tubes are blocked by the evaporator 2 and the other 2 long heat exchange tubes are not blocked.
  • the ratio of the unoccluded portion of the total windward surface 31 of the windward surface 31 of the condenser 3 may be less than 5% (for example, 3%, etc.) or More than 50% (such as 60%, etc.), so that it can meet different practical requirements.
  • the air inlet 10 includes a first air inlet 111 formed on the rear surface 11 of the housing 1, and a first air inlet 111 formed on the left surface 12 of the housing 1.
  • the condenser 3 is a U-shaped heat exchanger and the windward surface 31 includes a first sub-surface 311 facing the first air inlet 111.
  • the air intake amount is the same, since the air inlets 10 are scattered on three sides, the air velocity of the air intake can be reduced, the heat exchange duration of the evaporator 2 can be extended, and the dehumidification effect of the evaporator 2 can be improved.
  • a part of the windward surface 31 of the condenser 3 can be relatively easily blocked by the evaporator 2, so that the form of the evaporator 2 can be flexibly selected.
  • the form of the evaporator 2 can be flexibly selected.
  • at least the following three types can be selected. Form of evaporator 2.
  • the evaporator 2 is a U-shaped heat exchanger and includes a first portion 21, a second portion 22, a third portion 23, a first bending section 24 and a second bending section 25, wherein The first part 21 and the second part 22 may be connected through a first bending section 24, and the first part 21 and the third part 23 may be connected through a second bending section 25.
  • the first portion 21 is parallel to the first sub-surface 311 and covers a part of the first sub-surface 311.
  • a part of the first sub-surface 311 is a first surface 3101 and another part is a second surface 3102 (combined with the figure) 2)
  • the second portion 22 is parallel to the second sub-surface 312 and covers a part of the second sub-surface 312.
  • a part of the second sub-surface 312 is the first surface 3101
  • another part is the second surface 3102.
  • the three parts 23 are parallel to the third sub-surface 313 and block a part of the third sub-surface 313.
  • a part on the third sub-surface 313 is the first surface 3101 and another part is the second surface 3102.
  • the evaporator 2 is an L-shaped heat exchanger and includes a first portion 21 and a second portion 22, wherein the first portion 21 and the second portion 22 may be connected by a first bending section 24.
  • the first portion 21 is parallel to the first sub-surface 311 and covers at least a portion of the first sub-surface 311
  • the second portion 22 is parallel to the second sub-surface 312 and covers at least a portion of the second sub-surface 312.
  • at least the third sub-surface 313 and the second bent sub-surface 315 may serve as the second surface 3102.
  • the first sub-surface 311 is all the first surface 3101.
  • a part 21 covers a part of the first sub-surface 311, a part of the first sub-surface 311 is a first surface 3101 and another part is a second surface 3102; when the second part 22 completely blocks the second sub-surface 312, the second sub-surface 311
  • the surface 312 is all the first surface 3101.
  • a part of the second sub-surface 312 is the first surface 3101 and another part is the second surface 3102.
  • the first portion 21 is parallel to the first sub-surface 311 and covers at least a portion of the first sub-surface 311
  • the second portion 22 is parallel to the third sub-surface 313 and covers at least a portion of the third sub-surface 313 (not shown in the figure Example).
  • at least the second sub-surface 312 and the first bent sub-surface 314 can serve as the second surface 3102.
  • the first sub-surface 311 is all the first surface 3101.
  • a part of the first sub-surface 311 is a first surface 3101 and another part is a second surface 3102; when the second part 22 completely blocks the third sub-surface 313, the third sub-surface 313 is all the first surface 3101.
  • the second portion 22 covers a part of the third sub-surface 313, a part of the third sub-surface 313 is the first surface 3101 and another part is the second surface 3102.
  • the condenser 3 can effectively exert its advantages and reduce costs.
  • the evaporator 2 is an in-line heat exchanger.
  • the evaporator 2 is parallel to the first sub-surface 311 and covers at least a part of the first sub-surface 311.
  • the third sub-surface 313, the first bent sub-surface 314, and the second bent sub-surface 315 can all serve as the second surface 3102.
  • the first sub-surface 311 is all the first A surface 3101
  • the condenser 3 can effectively exert its advantages, and reduce costs and installation difficulties.
  • the gap between the evaporator 2 and the first subsurface 311 in the front-rear direction is 2.5 mm to 4.5 mm.
  • it can be 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, and the like. Therefore, it can be ensured that the gap between the evaporator 2 and the first subsurface 311 is neither too small nor too large.
  • the gap between the evaporator 2 and the first subsurface 311 is too small, the evaporator 2 and the condenser 3 are too small.
  • the gap between the condenser 3 and the first sub-surface 311 in the front-back direction is 3.5 mm to 3.8 mm, such as 3.5 mm, 3.6 mm, 3.7 mm, 3.8 mm, and the like. Therefore, the dehumidification effect and the energy efficiency ratio of the entire machine can be taken into consideration.
  • the second surface 3102 is located above the first surface 3101, that is, a horizontally extending dividing line is drawn on the windward surface 31 of the condenser 3 and is located at The part below the dividing line is the first surface 3101 and is blocked by the evaporator 2, and the part above the dividing line is the second surface 3102 is not blocked.
  • This facilitates the installation of the evaporator 2 and the condenser 3, so that when the structures of the evaporator 2 and the condenser 3 are the same (for example, the condenser 3 and the evaporator 2 are both U-shaped heat exchangers (see FIG.
  • the second surface 3102 may also be located in other orientations of the first surface 3101.
  • the second surface 3102 can also be located on the left and right sides of the first surface 3101.
  • the types of the condenser 3 and the evaporator 2 according to the embodiment of the present application are not limited to the above, as long as the evaporator 2 does not completely block the windward surface 31 of the condenser 3.
  • the concepts of “U-shaped heat exchanger”, “L-shaped heat exchanger”, and “in-line heat exchanger” are well known to those skilled in the art, that is, the projections along the height direction are “U “,” “L-shaped” and “linear segment” heat exchangers, which will not be described in detail here.
  • the first surface 3101 is blocked by the evaporator 2 and directly receives the airflow flowing through the evaporator 2, that is, there is no distance between the evaporator 2 and the first surface 3101. Obstacles, which can simplify the structure and avoid wasting energy.
  • FIGS. 1-4 a dehumidifier 100 according to a specific embodiment of the present application will be described.
  • the dehumidifier in the related art has a relatively low energy efficiency and a significant decrease in dehumidification capacity at lower temperatures, mainly due to the following two reasons.
  • the first reason is that the evaporator needs a lower wind speed to extend the effective dehumidification time, while the condenser needs a higher air volume and wind speed to strengthen the heat exchange and reduce the system power.
  • the evaporator and The upwind area and air intake volume of the condenser are equal, which cannot meet the different air volume and wind speed requirements of the evaporator and the condenser.
  • the consequence may be the attenuation of the dehumidification capacity of the evaporator, or the insufficient heat dissipation of the condenser leading to the entire machine. Energy efficiency ratio decreased.
  • the condensing heat load of the vapor compression refrigeration system is always greater than the cold load, that is, the condenser needs to carry the total load of the evaporator and the compressor, so the heat exchange area of the condenser should be larger than the heat exchange area of the evaporator.
  • the heat exchange area of the condenser can only be increased by increasing the number of rows of the condenser, which will inevitably bring the air volume of the whole machine.
  • the attenuation of the capacitor affects the heat dissipation effect of the condenser, causing the energy efficiency ratio of the whole machine to decrease.
  • the dehumidifier 100 may include a housing 1, a wind wheel 5, a motor 6, a condenser 3, and an evaporator 2, wherein the housing 1 may include a rear surface 11, The left surface 12, the right surface 13, the front surface, and the upper surface, wherein at least one of the front surface and the upper surface has an air outlet, and the rear surface 11, the left surface 12, and the right surface 13 each have an air inlet 10.
  • the motor 6 and the wind wheel 5 are arranged near the front of the casing 1, the wind wheel 5 is not limited in form, and the evaporator 2 and the condenser 3 are arranged near the rear of the casing 1.
  • the evaporator 2 is located on the side of the condenser 3 adjacent to the air inlet 10, the height of the condenser 3 is higher than the height of the evaporator 2, and the upper end of the condenser 3 is higher than the upper end of the evaporator 2.
  • Q1-Q1 and Q2-Q2 are the two air flows when the dehumidifier 100 is turned on.
  • the first air flow Q1-Q1 directly passes through the upper part of the condenser 3, and the high temperature in the upper part of the condenser 3 is high.
  • the high-pressure refrigerant gas is cooled and condensed, and the second gas stream Q2-Q2 first passes through the evaporator 2 to heat the low-temperature and low-pressure refrigerant liquid in the evaporator 2 so that the refrigerant in the evaporator 2 is evaporated into a gas and then compressed.
  • the second air stream Q2-Q2 itself achieves cooling and dehumidification.
  • the second air stream Q2-Q2 becomes low-temperature and low-humidity air through the evaporator 2, it passes through the lower part of the condenser 3, and then the lower part of the condenser 3
  • the high-temperature and high-pressure refrigerant gas is further cooled and condensed, and the flow path of the condenser 3 is preferably set in the form of "up, down and out”.
  • the first air flow Q1-Q1 and the second air flow Q2-Q2 are finally merged in the air duct in the casing 1, and finally sent out from the air outlet to the indoor environment via the motor 6 and the wind wheel 5.
  • the air intake amount of the condenser 3 can be increased in a disguised manner, or the The inlet wind speed can further increase the dehumidification capacity of the dehumidifier 100 from the evaporator 2 side, or reduce the power of the whole machine from the condenser 3 side, thereby improving the energy efficiency of the whole machine.
  • the heat exchange area of the condenser 3 can be larger than the heat exchange area of the evaporator 2, so that it is no longer necessary to simply increase the number of rows of the condenser 3 to increase.
  • the heat exchange area of condenser 3 is to meet the condensing heat load greater than the cooling load. This can effectively avoid the problem of large resistance of the air duct and insufficient exhaust volume due to too many rows of condenser 3, thereby ensuring that The energy efficiency ratio of the whole machine can be effectively improved and enhanced.
  • the condenser 3 processes a part of the air more than the evaporator 2, so that it can make up for the different air volume requirements of the condenser 3 and the evaporator 2 and achieve the optimal treatment effect that both are considered.
  • the evaporator 2 and the condenser 3 are both U-shaped heat exchangers.
  • the number of rows of the heat exchange tubes of the evaporator 2 and the condenser 3 is not limited. At this time, not only can the shell 1 be fully utilized.
  • the air inlet 10 on the casing 1 can be enlarged, thereby increasing the air inlet area, so that the dehumidifier 100 has the advantage of multi-face air inlet.
  • the U-shaped evaporator 2 and U-shaped condenser 3 are used in the dehumidifier 100, the air velocity can be effectively reduced and the effective dehumidification time can be prolonged without changing the air intake volume. Improve effect.
  • the water receiving tray 4 according to the embodiment of the present application is used in a dehumidifier 100.
  • the dehumidifier 100 includes an evaporator 2 and a condenser 3, and the evaporator 2 and the condenser 3 are both disposed above the water receiving tray 4.
  • the water receiving tray 4 according to the embodiment of the second aspect of the present application may be used in the dehumidifier 100 of the embodiment of the first aspect described above, and may also be used in other types than the embodiment of the first aspect described above.
  • the water receiving tray according to the embodiment of the second aspect of the present application can also be used.
  • the water receiving tray 4 may include a bottom plate 41, a first support member 42, and a diversion channel 402.
  • the bottom plate 41 has a water collecting area.
  • the water collecting area may be It consists of a drainage area 411 and a confluence area 412.
  • a first support member 42 is provided on the bottom plate 41 and is used to support the evaporator 2.
  • the first support member 42 defines a drainage channel 401, and two ends of the drainage channel 401 in the extending direction are connected respectively.
  • To the water collection area for example, in the example shown in FIG.
  • the two ends of the drainage channel 401 in the extension direction are the first end 401a and the second end 401b, respectively, and the first end 401a is directly connected to the drainage area 411.
  • the two ends 401b are directly connected to the convergence area 412, and the diversion channel 402 connects at least one place between the two ends of the drainage channel 401 (that is, at least one place of the diversion channel 402 except for the first end 401a and the second end 401b. ) Guide to catchment area.
  • the water condensed on the evaporator 2 can flow down the drainage channel 401 along the evaporator 2 and the water entering the drainage channel 401 can follow the extending direction of the drainage channel 401.
  • it can be discharged to the water collection area through the first end 401a of the drainage channel 401
  • it can be discharged to the water collection area through the second end 401b of the drainage channel 401
  • it can be discharged to the water collection area through the diversion channel 402. Catchment area.
  • the drainage efficiency and drainage reliability of the water receiving tray 4 according to the embodiment of the present application can be significantly improved.
  • the water in the drainage channel 401 cannot flow to the first end 401a.
  • the second end 401b performs drainage, the water in the drainage channel 401 can also be drained through the diversion channel 402, so that the drainage reliability and drainage efficiency of the drainage channel 401 can be significantly improved.
  • the bottom plate 41 further has a drain port (for example, defined by a drain pipe 403).
  • the drain port is connected to the rear side of the water collection area.
  • the drain channel 401 may include at least a front channel segment 4012 and The middle channel section 4013, the front channel section 4012 is located diagonally in front of the drainage opening and extends in the front-rear direction.
  • the front end 4012a of the front channel section 4012 is connected to the catchment area. It extends in a zigzag direction from the front to the back toward the drain (that is, it extends along a curve or a fold line).
  • the first end 4013a of the middle channel section 4013 is directly connected to the rear end 4012b of the front channel section 4012. 4013b is directly or indirectly connected to the catchment area. Therefore, the structure of the drainage channel 401 is simple, and drainage is facilitated.
  • the drainage channel 401 may include a rear channel section 4011, a front channel section 4012, and a middle channel section 4013, where the rear channel section 4011 extends in the left-right direction and the rear channel section
  • the inner end 4011a of 4011 constitutes the first end 401a for direct connection to the drainage area 411
  • the front channel section 4012 extends in the front-rear direction
  • the front end 4012a of the front channel section 4012 constitutes the second end 401b for direct connection to the confluence area 412.
  • Both ends of the channel section 4013 are directly connected to the outer end 4011b of the rear channel section 4011 and the rear end 4012b of the front channel section 4012, respectively. Therefore, the structure of the drainage channel 401 is simple, and drainage is facilitated.
  • the drainage channel 401 can be two and located on the left and right sides of the drainage port, respectively.
  • the two middle channel sections 4013 are inclined downward from the front to the rear, and the two front channel sections 4012 are from the rear.
  • the forward slope extends downward, and the rear passage section 4011 on the left side of the drainage area 411 slopes downward from left to right.
  • the rear passage section 4011 (not shown) on the right side of the drainage area 411 slopes downward from right to left. extend. Therefore, regardless of whether the water receiving tray 4 is tilted forward, backward, leftward, or right, a suitable drainage channel 401 can be used to complete drainage, so that the drainage reliability of the water receiving tray 4 can be further improved.
  • the structure of the drainage channel 401 according to the embodiment of the present application is not limited thereto.
  • the drainage channel 401 may not include the rear channel section 4011.
  • the structures of the two drainage channels 401 may also be different.
  • the left drainage channel 401 shown in FIG. 10 includes a rear channel section 4011, and the right drainage channel 401 does not include a rear channel section 4011.
  • the diversion channel 402 may include: a first diversion section 4021, the first diversion section 4021 divides at least one place between two ends of the front channel section 4012 (that is, the front channel section 4012 except for the front end 4012a and the rear end At least one of the parts other than 4012b) is guided to a catchment area, such as a confluence area 412 of the catchment area shown in FIG. 10. Thereby, the drainage efficiency and drainage reliability of the drainage channel 401 can be better improved.
  • the diversion channel 402 may include a second diversion section 4022, and the second diversion section 4022 divides at least one place between two ends of the middle channel section 4013 (that is, the middle channel section 4013 except for the head end 4013a and the tail At least one of the parts other than the end 4013b) is guided to a catchment area, such as a confluence area 412 of the catchment area shown in FIG. Thereby, the drainage efficiency and drainage reliability of the drainage channel 401 can be better improved.
  • diversion channel 402 there may be various specific configuration modes of the diversion channel 402, for example, the two examples shown in FIG. 10 and FIG. 11 described later may well prove.
  • the water receiving tray 4 may include: a guide tube 44, which is disposed on the bottom plate 41, and a lumen of the guide tube 44 defines a guide channel 402.
  • the structure of the flow channel 402 is simple, and the reliability of the diversion is high. Moreover, the problem that the water in the drainage channel 401 flows to the condenser 3 and reduces the dehumidification effect can be improved.
  • the diversion tube 44 is perpendicular to the drainage channel 401, that is, the corresponding position of the diversion tube 44 and the drainage channel 401 is vertical, wherein the "corresponding position" refers to a position where the drainage channel 401 communicates with the diversion tube 44, That is, the deflector 44 extends from the communication position in a direction perpendicular to the drainage channel 401, and thereby, the reliability of the water in the drainage channel 401 entering the deflector 44 can be improved.
  • the first support member 42 includes two first sub-ribs 421 extending in parallel, and a drainage channel 401 is defined between the two first sub-ribs 421. Therefore, the first support member 42 has a simple structure, is convenient for processing, has good support reliability for the evaporator 2, and can simply and effectively define the drainage channel 401.
  • each first sub-rib 421 is configured as a discontinuous rib to define at least one first fracture 4210, that is, each first sub-rib 421 has at least one first fracture 4210, and the diversion The channel 402 includes a first fracture 4210, that is, the diversion channel 402 is constituted by at least the first fracture 4210.
  • the structure of the diversion channel 402 is simple and easy to implement, and the diversion tube 44 does not need to be introduced, thereby reducing the cost and the difficulty of assembly.
  • the diversion tube 44 does not need to be introduced, thereby reducing the cost and the difficulty of assembly.
  • part of the water left along the evaporator 2 does not enter the drainage channel 401, it can also be discharged into the convergence area 412 through the first break 4210, thereby further improving the reliability of drainage.
  • the water receiving tray 4 may further include: a second support 43, the second support 43 is provided on the bottom plate 41 and is used to support the condenser 3 of the dehumidifier 100,
  • the second support member 43 includes two second sub-ribs 431 extending in parallel, and each second sub-rib 431 is configured as a discontinuous rib, so that each second sub-rib 431 defines at least one second fracture 4310
  • the diversion channel 402 includes a first fracture 4210 and a second fracture 4310, that is, the diversion passage 402 is composed of at least a first fracture 4210 and a second fracture 4310 to guide the water in the drainage channel 401 to Confluence area 412.
  • the second support member 43 it is possible to prevent the condenser 3 from contacting the water in the water receiving tray 4, thereby improving the dehumidifying effect of the dehumidifier 100.
  • the condenser 3 when part of the water left along the evaporator 2 does not enter the drainage channel 401, it can also be discharged into the converging area 412 through the first fracture 4210 and the second fracture 4310, thereby further improving the reliability of drainage.
  • the water receiving tray of the dehumidifier uses the window type air conditioning tray.
  • the water tray of the window type air conditioner has only one side connected to the drainage tank.
  • the direction of the water tank is the same and the usage scene is fixed, so there is no problem of smooth drainage.
  • the use scene of the dehumidifier is not fixed. If the dehumidifier is placed on uneven ground and used, the drainage tray of the dehumidifier may not be drained properly.
  • the problem of smoothness is that there is a hidden safety hazard that the water in the water receiving tray flows along the upper edge of the water receiving tray to the lower part of the dehumidifier.
  • the second reason is that the depth of the water receiving tray of the dehumidifier in the related art is relatively shallow.
  • the air in the air duct of the dehumidifier flows through the upper surface of the water receiving tray, if the air velocity is large, it is easy to transfer the water in the water receiving tray. Water is taken into the air duct and blown out from the air outlet into the indoor environment, which weakens the overall dehumidification effect of the dehumidifier and affects the user experience.
  • this embodiment proposes a water receiving tray 4 for the dehumidifier 100.
  • One purpose of the water receiving tray 4 according to the embodiment of the present application is to solve a single-sided exhaust in the related art.
  • the drainage problem caused by the sink is not smooth.
  • the water receiving tray 4 is provided with a double-sided drainage channel 401 and a plurality of deflectors 44, so that the dehumidifier 100 can be effectively placed in a timely and effective manner whether it is placed horizontally or inclined.
  • the liquid water condensed by the evaporator 2 is discharged from the water receiving tray 4 into the water tank of the dehumidifier 100.
  • the water receiving tray 4 includes a bottom plate 41 and a first support member 42, a second support member 43, and a motor mounting side plate 45 provided on the bottom plate 41.
  • the first support member 42 is used to support evaporation.
  • the device 2 includes two first sub-ribs 421 extending in parallel.
  • the second support 43 is used to support the condenser 3 and includes two second sub-ribs 431 extending in parallel.
  • the drainage channel 401 is used to collect the dehumidified condensate flowing down from the evaporator 2.
  • the second sub-rib 431 and the motor mounting side plate 45 define a confluence area 412 on the bottom plate 41.
  • the bottom plate 41 also has a front-back direction.
  • the extended drain region 411 is connected to the drain pipe 403 at the rear end of the drain region 411.
  • the water receiving tray 4 may be manufactured by integrated injection molding.
  • the mounting groove 450 defined by the motor mounting side plate 45 is used for mounting the mounting bracket 61 of the motor 6 and the mounting of the motor 6.
  • the bracket 61 and the water receiving tray 4 are assembled in a screw connection manner.
  • the left drainage channel 401 includes a rear channel section 4011 extending in the left-right direction, a front channel section 4012 extending in the front-rear direction, and a middle channel section 4013 connecting the rear channel section 4011 and the front channel section 4012.
  • the rear channel section 4011 Drain directly to the drainage area 411.
  • the front channel section 4012 first drains water to the confluence area 412, and then flows to the drainage area 411 through the confluence area 412.
  • the front channel section 4012 and the middle channel section 4013 are connected to the confluence area 412 through the guide pipe 44 .
  • the drainage channel 401 on the right includes a front channel section 4012 extending in the front-rear direction and a middle channel section 4013 connecting the front channel section 4012.
  • the middle channel section 4013 directly drains the drainage area 411, and the front channel section 4012 first drains water.
  • the front channel section 4012 communicates with the confluence area 412 through the guide pipe 44.
  • the left and right front channel sections 4012 may extend obliquely downward from the front to the rear
  • the left and right middle channel sections 4013 may extend obliquely from the front to the back and downward
  • the left rear channel section 4011 drains along the direction.
  • the direction of the region 411 extends obliquely downward. Due to the long length of the drainage channel 401, if there is an obstruction in the middle, an overflow of condensed water will occur, and this problem can be effectively solved by providing a guide tube 44.
  • the dehumidifier 100 when the dehumidifier 100 is running, when the dehumidifier 100 is placed horizontally, the condensed water can flow through the drainage channel 401 to the convergence area 412 and the drainage area 411, and then drained; when the dehumidifier 100 is placed forward, the drainage channel 401 The water in the channel can flow along the a and b paths from the front channel section 4012 to the confluence area 412 and then drained through the drainage area 411. When the dehumidifier 100 is tilted back, the water in the drainage channel 401 can follow the path c and The d path flows from the rear channel section 4011 to the drainage area 411 and is discharged.
  • the water in the drainage channel 401 can be discharged along the guide pipe 44 to the convergence area 412 and then to the drainage area 411. In this way, regardless of whether the dehumidifier 100 is in a horizontal or inclined state, water can be drained away in a timely and smooth manner.
  • the height of the second sub-rib 431 may be higher than the height of the first sub-rib 421, so as to avoid the water from contacting the condenser 3.
  • the bottom plate 41 may have a drop slope that extends obliquely downward from the front to the rear. 46.
  • a part of the convergence area 412 is defined between the gradient slope 46 and the motor mounting side plate 45, that is, a deeper bus groove 4120 is defined between the gradient slope 46 and the motor mounting side plate 45.
  • the sink 4120 can be deep enough to contain enough water, so that the dehumidified condensate entering the sink 4120 can be prevented from being drawn into the air duct by the wind wheel 5 and even from The situation that the air outlet blows out appears to effectively improve the user experience of the dehumidifier 100.
  • first and second are used for descriptive purposes only, and should not be interpreted as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of “a plurality” is two or more, unless specifically defined otherwise. In this application, unless explicitly stated and defined otherwise, the first feature “on” or “down” of the second feature may be the first and second features in direct contact, or the first and second features indirectly through an intermediate medium. contact.

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Abstract

一种除湿机(100)，包括：壳体(1)、蒸发器(2)和冷凝器(3)，所述壳体(1)上具有进风口(10)，所述蒸发器(2)设在所述壳体(1)内，所述冷凝器(3)设在所述壳体(1)内，所述冷凝器(3)的迎风面(31)包括朝向不同的多个子面，所述迎风面(31)包括第一表面(3101)和第二表面(3102)，所述第一表面(3101)被所述蒸发器(2)遮挡以接收流过所述蒸发器(2)的气流，所述第二表面(3102)未被遮挡以直接接收流过所述进风口(10)的气流。

Description

除湿机
相关申请的交叉引用
本申请基于申请号为201821260237.3、申请日为2018年08月06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
本申请涉及除湿机设备领域，尤其是涉及一种除湿机。
背景技术
潮湿的环境会不利于人们的活动，也不利于设备仪器的存放和使用，而除湿机可以起到干燥空气的作用，使人们或设备活动工作在适宜的湿度环境中。除湿机利用蒸气压缩式制冷循环系统，使蒸发器获得低于环境空气露点的蒸发温度，当空气经过蒸发器时，空气温度一旦降低到露点温度以下，蒸发器便会将空气中的水分冷凝出，被蒸发器冷凝后的低温低湿空气之后再通过冷凝器，冷凝器凭借系统内高温高压制冷剂气体，将空气加热后再输送到室内环境，避免低温空气对环境的影响。然而，相关技术中除湿机的能效比较低，而且在温度较低情况下的除湿能力衰减明显，难以满足当前的发展要求。
发明内容
本申请旨在至少解决现有技术中存在的技术问题之一。为此，本申请在于提出一种除湿机，所述除湿机可以在蒸发器侧改善除湿效果，在冷凝器侧改善整机能效比。
根据本申请的除湿机，包括：壳体，所述壳体上具有进风口；蒸发器，所述蒸发器设在所述壳体内；冷凝器，所述冷凝器设在所述壳体内，所述冷凝器的迎风面包括朝向不同的多个子面，所述迎风面包括第一表面和第二表面，所述第一表面被所述蒸发器遮挡以接收流过所述蒸发器的气流，所述第二表面未被遮挡以直接接收流过所述进风口的气流。
根据本申请的除湿机，可以在蒸发器侧改善除湿效果，在冷凝器侧改善整机能效比。
在一些实施例中，所述第二表面的面积S2与所述第一表面的面积S1满足关系：5％≤S2/(S2+S1)≤50％。
在一些实施例中，所述第二表面的面积S2与所述第一表面的面积S1满足关系：S2/(S2+S1)＝2/7。
在一些实施例中，所述进风口包括形成在所述壳体的后表面上的第一进风口、形成在所述壳体的左表面上的第二进风口、以及形成在所述壳体的右表面上的第三进风口，所述冷凝器为U形换热器且所述迎风面包括朝向所述第一进风口的第一子面、朝向所述第二进风口的第二子面、朝向所述第三进风口的第三子面、连接所述第一子面和所述第二子面的第 一折弯子面、以及连接所述第一子面和所述第三子面的第二折弯子面。
在一些实施例中，所述蒸发器为U形换热器且包括第一部分、第二部分、第三部分、第一折弯段和第二折弯段，所述第一部分平行于所述第一子面且遮挡所述第一子面的一部分，所述第二部分平行于所述第二子面且遮挡所述第二子面的一部分，所述第三部分平行于所述第三子面且遮挡所述第三子面的一部分，所述第一部分和所述第二部分通过第一折弯段相连，所述第一部分和所述第三部分通过第二折弯段相连。
在一些实施例中，所述蒸发器为L形换热器且包括第一部分、第二部分和第一折弯段，所述第一部分平行于所述第一子面且遮挡所述第一子面的至少部分，所述第二部分平行于所述第二子面且遮挡所述第二子面的至少部分，或者所述第二部分平行于所述第三子面且遮挡所述第三子面的至少部分，所述第一部分和所述第二部分通过第一折弯段相连。
在一些实施例中，所述蒸发器为直排换热器，所述蒸发器平行于所述第一子面且遮挡所述第一子面的至少部分。
在一些实施例中，所述蒸发器与所述第一子面在前后方向上的间隙为2.5mm～4.5mm。
在一些实施例中，所述蒸发器与所述第一子面在前后方向上的间隙为3.5mm～3.8mm。
在一些实施例中，所述第二表面位于所述第一表面的上方。
在一些实施例中，所述冷凝器和所述蒸发器均为U形换热器、或者均为L形换热器、或者均为直排换热器。
在一些实施例中，所述第一表面被所述蒸发器遮挡且直接接收流过所述蒸发器的气流。
本申请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，或通过本申请的实践了解到。
附图说明
图1是根据本申请一个实施例的除湿机的部分结构的主视图；
图2是沿图1中A-A线的剖视图；
图3是图1的左视图；
图4是图1的俯视图；
图5是图4中所示的蒸发器和冷凝器的一个变形示例的示意图；
图6是图4中所示的蒸发器和冷凝器的另一个变形示例的示意图；
图7是根据本申请一个实施例的接水盘的主视图；
图8是沿图7中B-B线的剖视图；
图9是图8的左视图；
图10是图7的俯视图；
图11是图10中所示的接水盘的一个变形示例的示意图。
附图标记：
除湿机100；
壳体1；进风口10；
后表面11；第一进风口111；
左表面12；第二进风口121；
右表面13；第三进风口131；
蒸发器2；第一部分21；第二部分22；第三部分23；第一折弯段24；第二折弯段25；
冷凝器3；迎风面31；第一表面3101；第二表面3102；
第一子面311；第二子面312；第三子面313；第一折弯子面314；二折弯子面315；
接水盘4；
底板41；排水区域411；汇流区域412；汇流槽4120；
第一支撑件42；第一子筋421；第一断口4210；
第二支撑件43；第二子筋431；第二断口4310；
导流管44；电机安装侧板45；安装槽450；落差斜面46；
排水通道401；第一端401a；第二端401b；
后通道段4011；内端4011a；外端4011b；
前通道段4012；前端4012a；后端4012b；
中通道段4013；
导流通道402；第一导流段4021；第二导流段4022；
排水管403；
风轮5；电机6；安装架61。
具体实施方式
下面详细描述本申请的实施例，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，旨在用于解释本申请，而不能理解为对本申请的限制。
下文的公开提供了许多不同的实施例或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或字母。这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施例和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的可应用于性和/或其他材料的使用。
下面，参照图1-图6，描述根据本申请第一方面实施例的除湿机100。
如图1和图2所示，根据本申请实施例的除湿机100，包括：壳体1、蒸发器2和冷凝 器3。其中，壳体1上具有进风口10，蒸发器2和冷凝器3均设在壳体1内，结合图4，冷凝器3的迎风面31包括朝向不同的多个子面(也就是说，冷凝器3的迎风面31包括多个子面，每个子面的朝向不同，例如后文给出了具体示例)。
如图2所示，迎风面31包括第一表面3101和第二表面3102，第一表面3101被蒸发器2遮挡以接收流过蒸发器2的气流，第二表面3102未被遮挡(即未被蒸发器2或其他部件遮挡)以直接接收流过进风口10的气流。也就是说，从进风口10进入到壳体1内的气流分为两股，其中一股Q2-Q2先流经蒸发器2再流向冷凝器3的第一表面3101，另外一股Q1-Q1直接流向冷凝器3的第二表面3102。
此外，需要说明的是，“子面”、“第一表面3101”、“第二表面3102”的关系为：每个子面上都可以具有第一表面3101，每个子面上也都可以具有第二表面3102，但是至少一个子面上要具有第一表面3101，同时至少一个子面上要具有第二表面3102，另外，第一表面3101和第二表面3102可以位于同一个子面上，第一表面3101和第二表面3102也可以不位于同一个子面上，也就是说，第一表面3101和第二表面3102还可以位于不同的子面上。具体实施例可参照下文描述，这里不作赘述。
由此，根据本申请实施例的除湿机100，由于冷凝器3迎风面31大于蒸发器2的迎风面31，而且冷凝器3的迎风面31朝向多个方向，从而在相同进风风速下，可以提高冷凝器3的进风风量，并且在相同的进风风量下，可以降低蒸发器2的进风风速，从而在蒸发器2侧，可以延长除湿时间，提高除湿机100的整体除湿能力，在冷凝器3侧，可以提高冷凝器3的散热效率、降低整机功率、提高整机能效比。
需要说明的是，当第二表面3102被蒸发器遮挡，而无法直接接收流过进风口10的气流时，说明冷凝器3与蒸发器2的迎风面积相当，这样就需要采用通过增大冷凝器3排数的方式来使冷凝器3的负荷大于蒸发器2的负荷，这样则会降低风量，降低冷凝器3的散热效果，致使整机能效比下降，而在本实施例中，由于第二表面3102不被蒸发器遮挡，可以直接接收流过进风口10的气流，使得冷凝器3的迎风面积大于蒸发器2的迎风面积，这样就不需要采用通过增大冷凝器3排数的方式来使冷凝器3的负荷大于蒸发器2的负荷，从而可以提升风量，提升冷凝器3的散热效果，提高整机能效比。
此外，需要说明的是，当第二表面3102被补风冷凝器遮挡，而无法直接接收流过进风口10的气流时，说明补风冷凝器与蒸发器2的总迎风面积与冷凝器3的迎风面积相当，这样冷凝器3与补风冷凝器的总排数过大，需要相应增大蒸发器2的排数来平衡系统总负荷，但是，将蒸发器2的排数增大则会导致蒸发器2的整体除湿效果下降，而在本实施例中，由于第二表面3102不被补风冷凝器遮挡，可以直接接收流过进风口10的气流，这样就不需要采用通过增大蒸发器2排数的方式来平衡系统总负荷，从而可以提升蒸发器2的整体除湿效果。
在本申请的一些实施例中，第二表面3102的面积S2与第一表面3101的面积S1满足 关系：5％≤S2/(S2+S1)≤50％。也就是说，冷凝器3的迎风面31中，未被遮挡的部分占总迎风面31的比值为5％～50％，例如可以为5％、10％、15％、20％、25％、30％、35％、40％、45％、50％等等。由此，通过限定S2/(S2+S1)的比值关系，可以确保第二表面3102的占比既不过大又不过小，当第二表面3102的占比过大时，则会导致蒸发器2的排数随之增大来平衡系统总负荷，造成整机除湿效果下降的问题，而当第二表面3102的占比过小时，则会导致冷凝器3的排数随之增大来平衡系统总负荷，造成整机能效比比下降的问题，因此，通过限定S2/(S2+S1)的比值关系，可以使蒸发器2更好地发挥除湿效果、冷凝器3更好地发挥散热效果，提升整机能效比。
在本申请的一个具体示例中，冷凝器3总共包括7根长换热管，其中5根长换热管被蒸发器2遮挡，另外2根长换热管未被遮挡，此时，第二表面3102的面积S2与第一表面3101的面积S1可以满足关系：S2/(S2+S1)＝2/7。由此，不但可以使蒸发器2和冷凝器3更好地发挥上述有益技术效果，而且方便加工和制造。
当然，本申请不限于此，在本申请的其他实施例中，冷凝器3的迎风面31中，未被遮挡的部分占总迎风面31的比值还可以小于5％(例如3％等)或者大于50％(例如60％等)，从而可以满足不同的实际要求。
在本申请的一些实施例中，如图1-图4所示，进风口10包括形成在壳体1的后表面11上的第一进风口111、形成在壳体1的左表面12上的第二进风口121、以及形成在壳体1的右表面13上的第三进风口131，冷凝器3为U形换热器且迎风面31包括朝向第一进风口111的第一子面311、朝向第二进风口121的第二子面312、朝向第三进风口131的第三子面313、连接第一子面311和第二子面312的第一折弯子面314、以及连接第一子面311和第三子面313的第二折弯子面315，由于冷凝器3为U形换热器，因此本文所述的第一子面311、第二子面312、第三子面313均为平面。由此，在进风量相同的前提下，由于进风口10分散在三侧，从而可以降低进风风速，延长蒸发器2的换热时长，提升蒸发器2的除湿效果。
此外，通过将冷凝器3设置为此种形式，可以较容易地实现冷凝器3的一部分迎风面31不被蒸发器2遮挡，从而可以灵活选择蒸发器2的形式，例如可以选用至少以下三种形式的蒸发器2。
第一种：如图4所示，蒸发器2为U形换热器且包括第一部分21、第二部分22、第三部分23、第一折弯段24和第二折弯段25，其中，第一部分21和第二部分22可以通过第一折弯段24相连，第一部分21和第三部分23可以通过第二折弯段25相连。
具体地，第一部分21平行于第一子面311且遮挡第一子面311的一部分，此时，第一子面311上的一部分为第一表面3101、另一部分为第二表面3102(结合图2)，第二部分22平行于第二子面312且遮挡第二子面312的一部分，此时，第二子面312上的一部分为第一表面3101、另一部分为第二表面3102，第三部分23平行于第三子面313且遮挡第三 子面313的一部分，此时，第三子面313上的一部分为第一表面3101、另一部分为第二表面3102。由此，蒸发器2和冷凝器3均可以有效地发挥优势。
第二种：如图5所示，蒸发器2为L形换热器且包括第一部分21和第二部分22，其中，第一部分21和第二部分22可以通过第一折弯段24相连。
具体地，第一部分21平行于第一子面311且遮挡第一子面311的至少部分，第二部分22平行于第二子面312且遮挡第二子面312的至少部分。此时，至少第三子面313及第二折弯子面315可以作为第二表面3102，当第一部分21完全遮挡第一子面311时，第一子面311全部为第一表面3101，当第一部分21遮挡第一子面311的一部分时，第一子面311的一部分为第一表面3101、另一部分为第二表面3102；当第二部分22完全遮挡第二子面312时，第二子面312全部为第一表面3101，当第二部分22遮挡第二子面312的一部分时，第二子面312的一部分为第一表面3101、另一部分为第二表面3102。
或者，第一部分21平行于第一子面311且遮挡第一子面311的至少部分，第二部分22平行于第三子面313且遮挡第三子面313的至少部分(图未示出该示例)。此时至少第二子面312及第一折弯子面314可以作为第二表面3102，当第一部分21完全遮挡第一子面311时，第一子面311全部为第一表面3101，当第一部分21遮挡第一子面311的一部分时，第一子面311的一部分为第一表面3101、另一部分为第二表面3102；当第二部分22完全遮挡第三子面313时，第三子面313全部为第一表面3101，当第二部分22遮挡第三子面313的一部分时，第三子面313的一部分为第一表面3101、另一部分为第二表面3102。
由此，冷凝器3可以有效地发挥优势，且降低成本。
第三种：如图6所示，蒸发器2为直排换热器，蒸发器2平行于第一子面311且遮挡第一子面311的至少部分，此时至少第二子面312、第三子面313、第一折弯子面314、第二折弯子面315均可以作为第二表面3102，另外，当蒸发器2完全遮挡第一子面311时，第一子面311全部为第一表面3101，当蒸发器2遮挡第一子面311的一部分时，第一子面311的一部分为第一表面3101、另一部分为第二表面3102。由此，冷凝器3可以有效地发挥优势，且降低成本和安装难度。
在上述三个实施例中，蒸发器2与第一子面311在前后方向上的间隙(如图5和图6中所示的第一部分21与第一子面311)为2.5mm～4.5mm，例如可以为2.5mm、3.0mm、3.5mm、4.0mm、4.5mm等。由此，可以确保蒸发器2与第一子面311之间的间隙既不过小、又不过大，当蒸发器2与第一子面311之间的间隙过小时，蒸发器2与冷凝器3会发生相互传热，致使蒸发器2的除湿效果和冷凝器3的散热效果均降低，当蒸发器2与第一子面311之间的间隙过大时，本应流向第二表面3102的气流会有一部分向下进入到蒸发器2与第一子面311之间，阻碍蒸发器2向第一子面311排放气流，导致除湿效果下降。可选地，冷凝器3与第一子面311在前后方向上的间隙为3.5mm～3.8mm，例如3.5mm、3.6mm、3.7mm、3.8mm等。由此，可以兼顾除湿效果和整机能效比。
在本申请的一些实施例中，如图2所示，第二表面3102位于第一表面3101的上方，也就是说，在冷凝器3的迎风面31上绘制一条沿横向延伸的分割线，位于该分割线以下的部分为第一表面3101、被蒸发器2遮挡，而位于该分割线以上的部分为第二表面3102未被遮挡。由此，便于蒸发器2和冷凝器3的设置，使得在蒸发器2和冷凝器3的结构相同时(例如冷凝器3和蒸发器2均为U形换热器(参照图4)、或者均为L形换热器、或者均为直排换热器)，也可以很容易地满足蒸发器2未完全遮挡冷凝器3的迎风面31，从而使得蒸发器2和冷凝器3均发挥较佳的有益效果。
当然，本申请不限于此，第二表面3102还可以位于第一表面3101的其他方位，例如在图6所示的示例中，当冷凝器3为U形换热器，蒸发器2为直排换热器时，第二表面3102还可以位于第一表面3101的左右两侧。
此外，需要说明的是，根据本申请实施例的冷凝器3和蒸发器2的类型不限于上述，只要满足蒸发器2未完全遮挡冷凝器3的迎风面31即可。另外，可以理解的是，“U形换热器”、“L形换热器”、“直排换热器”的概念为本领域技术人员所熟知，即沿高度方向的投影分别为“U形”、“L形”和“直线段形”的换热器，这里不再详述。
在本申请的一些实施例中，如图2所示，第一表面3101被蒸发器2遮挡且直接接收流过蒸发器2的气流，也就是说，蒸发器2与第一表面3101之间无障碍，从而可以简化结构，避免能量浪费。
下面，参照图1-图4，描述根据本申请一个具体实施例的除湿机100。
本申请人在生活实践中创造性地发现了，相关技术中除湿机的能效比较低、且在温度较低情况下的除湿能力衰减明显，主要源于以下两方面原因。
第一方面原因在于：蒸发器需要较低的风速来延长有效除湿时间，冷凝器却需要较高的风量和风速来强化换热和降低系统功率，然而，相关技术中的除湿机的蒸发器和冷凝器的迎风面积和进风量相等，从而无法满足蒸发器和冷凝器对风量和风速的不同需求，进而带来的后果可能是蒸发器的除湿能力衰减，或者是冷凝器的散热不足导致整机能效比下降。
第二方面原因在于：蒸气压缩式制冷系统的冷凝热负荷总是大于冷负荷，即冷凝器需要承载蒸发器和压缩机的总负荷，所以冷凝器的换热面积应大于蒸发器的换热面积，由于相关技术中的除湿机的蒸发器和冷凝器的迎风面积和进风量相等，从而只能通过增加冷凝器的排数来提高冷凝器的换热面积，这样势必又会带来整机风量的衰减，影响冷凝器的散热效果，致使整机的能效比下降。
为了至少解决上述技术问题中的至少一个，本实施例提出了一种除湿机100。在本实施例中，如图1-图4所示，除湿机100可以包括壳体1、风轮5、电机6、冷凝器3、蒸发器2，其中，壳体1可以包括后表面11、左表面12、右表面13、前表面和上表面，其中，前表面和上表面中的至少一个上具有出风口，后表面11、左表面12、右表面13上均具有进风口10。
如图1-图4所示，电机6和风轮5均靠近壳体1内的前部设置，风轮5的形式不限，蒸发器2和冷凝器3均靠近壳体1内的后部设置，且蒸发器2位于冷凝器3的邻近进风口10的一侧，冷凝器3的高度要高于蒸发器2的高度，且冷凝器3的上端高于蒸发器2的上端，此时冷凝器3高出蒸发器2的上端部分的迎风面31不被蒸发器2遮挡，冷凝器3与蒸发器2前后正对的部分的迎风面31被蒸发器2遮挡。
如图2所示，Q1-Q1和Q2-Q2是除湿机100开机运行时的两股气流，其中，第一股气流Q1-Q1直接经过冷凝器3的上部，对冷凝器3上部中的高温高压制冷剂气体进行冷却冷凝，第二股气流Q2-Q2则先经过蒸发器2，对蒸发器2中的低温低压制冷剂液体进行加热，使蒸发器2中的制冷剂蒸发成气体后经压缩机压缩，而第二股气流Q2-Q2自身则实现了降温除湿，第二股气流Q2-Q2经蒸发器2变为低温低湿空气后，再经过冷凝器3的下部，对冷凝器3下部中的高温高压制冷剂气体进行进一步的冷却冷凝，冷凝器3的流路优选设置为“上进下出”形式。第一股气流Q1-Q1和第二股气流Q2-Q2这两股气流，最后在壳体1内的风道中汇合，途经电机6和风轮5最终从出风口送出到室内环境中。
由此，根据本申请实施例的除湿机100，由于冷凝器3的高度要明显高于蒸发器2的高度，从而可以变相地提高冷凝器3的进风量、或者说变相地降低蒸发器2的进风风速，进而可以从蒸发器2侧提高除湿机100的除湿能力、或者从冷凝器3侧降低整机功率，提高整机能效比。
另外，通过使蒸发器2和冷凝器3设置为具有高度差，使得冷凝器3的换热面积可以大于蒸发器2的换热面积，从而可以不再单纯依靠增加冷凝器3的排数来增加冷凝器3的换热面积，来满足冷凝热负荷大于冷负荷，这样就可以有效地避免因冷凝器3排数过多而导致整机风道阻力较大、排风量不足的问题，从而保证整机的能效比可以得到有效的改善和提升。
简言之，由于冷凝器3与蒸发器2之间存在迎风面积差，从而使得冷凝器3的进风面积可以大于蒸发器2的排风面积，进而可以形成对冷凝器3的补风效果，即冷凝器3比蒸发器2多处理一部分空气，这样可以弥补冷凝器3和蒸发器2对风量的不同需求，实现两者兼顾的最优处理效果。
在本实施例中，蒸发器2和冷凝器3均为U形换热器，但是，蒸发器2和冷凝器3的换热管的排数不限，此时，不但可以充分利用壳体1内的空间，而且可以将壳体1上的进风口10加大，从而提高进风面积，使除湿机100具有多面进风的好处。而且，当除湿机100采用U形蒸发器2和U形冷凝器3时，可以在进风量不变的前提下有效降低进风风速，延长有效除湿时间，对除湿机100的除湿能力有明显的提升效果。
下面，参照图7-图11，描述根据本申请第二方面实施例的用于除湿机100的接水盘4。
根据本申请实施例的接水盘4用于除湿机100中，除湿机100包括蒸发器2和冷凝器3，蒸发器2和冷凝器3均设在接水盘4的上方。此外，需要说明的是，根据本申请第二方面 实施例的接水盘4可以用于上述第一方面实施例的除湿机100中，也可以用于除上述第一方面实施例以外的其他类型的除湿机中，例如，当冷凝器的迎风面完全被蒸发器遮挡的除湿机，也可以采用根据本申请第二方面实施例的接水盘。
参照图7-图10，接水盘4可以包括：底板41、第一支撑件42和导流通道402，底板41上具有集水区域，例如在图10所示的示例中，集水区域可以由排水区域411和汇流区域412组成，第一支撑件42设在底板41上且用于支撑蒸发器2，第一支撑件42限定出排水通道401，排水通道401延伸方向上的两端分别接通至集水区域，例如在图10所示的示例中，排水通道401延伸方向上的两端分别为第一端401a和第二端401b，第一端401a直接接通至排水区域411，第二端401b直接接通至汇流区域412，导流通道402将排水通道401的两端之间的至少一处(即导流通道402除第一端401a和第二端401b以外部分的至少一处)引导至集水区域。
这样，在除湿机100工作时，空气在蒸发器2上凝结出的水可以沿着蒸发器2向下流入排水通道401，进入到排水通道401内的水可以沿着排水通道401的延伸方向，一方面可以通过排水通道401的第一端401a排向集水区域，另一方面还可以通过排水通道401的第二端401b排向集水区域，再一方面还可以通过导流通道402排向集水区域。
由此，根据本申请实施例的接水盘4的排水效率和排水可靠性都可以得到明显提高，例如当排水通道401的某一位置堵塞，致使排水通道401内的水无法流向第一端401a或第二端401b进行排水时，排水通道401内的水还可以通过导流通道402进行排水，从而可以明显提高排水通道401的排水可靠性和排水效率。
在本申请的一些实施例中，底板41上还具有排水口(例如由排水管403限定出)，排水口接通在集水区域的后侧，排水通道401可以至少包括：前通道段4012和中通道段4013，前通道段4012位于排水口的斜前方且沿前后方向延伸，前通道段4012的前端4012a接通至集水区域，中通道段4013位于前通道段4012的后侧，且沿着从前到后的方向朝向排水口的方向曲折延伸(即沿曲线或折线延伸)，中通道段4013的首端4013a与前通道段4012的后端4012b直接接通，中通道段4013的尾端4013b直接或者间接接通至集水区域。由此，排水通道401的结构简单，便于排水。
更为具体地，例如在图10所示具体示例中，排水通道401可以包括：后通道段4011、前通道段4012和中通道段4013，其中，后通道段4011沿左右方向延伸，后通道段4011的内端4011a构成第一端401a以直接接通至排水区域411，前通道段4012沿前后方向延伸，前通道段4012的前端4012a构成第二端401b以直接接通至汇流区域412，中通道段4013的两端分别直接接通至后通道段4011的外端4011b和前通道段4012的后端4012b。由此，排水通道401的结构简单，便于排水。
如图10所示，排水通道401可以为两个且分别位于排水口的前方的左右两侧，两个中通道段4013均自前向后倾斜向下延伸，两个前通道段4012均自后向前倾斜向下延伸，位 于排水区域411左侧的后通道段4011自左向右倾斜向下延伸，位于排水区域411右侧的后通道段4011(图未示出)自右向左倾斜向下延伸。由此，无论接水盘4前倾设置、还是后倾设置、还是左倾设置、还是右倾设置，均可以采用合适的排水通道401来完成排水，从而可以进一步提高接水盘4的排水可靠性。此外，需要说明的是，根据本申请实施例的排水通道401的结构不限于此，例如排水通道401还可以不包括后通道段4011，此外，参照图10，当接水盘4上具有两个排水通道401时，两个排水通道401的结构还可以不同，例如图10中所示的左侧的排水通道401包括后通道段4011，而右侧的排水通道401不包括后通道段4011。
参照图10，导流通道402可以包括：第一导流段4021，第一导流段4021将前通道段4012的两端之间的至少一处(即前通道段4012除前端4012a和后端4012b以外部分的至少一处)引导至集水区域，例如图10中所示的集水区域的汇流区域412。由此，可以更好地改善排水通道401的排水效率和排水可靠性。
参照图10，导流通道402可以包括：第二导流段4022，第二导流段4022将中通道段4013的两端之间的至少一处(即中通道段4013除首端4013a和尾端4013b以外部分的至少一处)引导至集水区域，例如图10中所示的集水区域的汇流区域412。由此，可以更好地改善排水通道401的排水效率和排水可靠性。
具体而言，导流通道402的具体构成方式可以有多种，例如后文所述的图10和图11两个示例就可以很好地证明。
例如在图10所示的示例中，接水盘4可以包括：导流管44，导流管44设在底板41上，导流管44的管腔限定出导流通道402，由此，导流通道402的构成方式简单，导流可靠性高，而且，可以改善排水通道401内的水流向冷凝器3降低除湿效果的问题。可选地，导流管44与排水通道401垂直，即导流管44与排水通道401的相应位置垂直，其中，“相应位置”指的是，排水通道401与导流管44连通的位置，也就是说，导流管44由连通位置起沿着垂直于排水通道401的方向延伸，由此，可以提高排水通道401内的水进入导流管44内的可靠性。
又例如在图8和图11所示的示例中，第一支撑件42包括平行延伸的两个第一子筋421，两个第一子筋421之间限定出排水通道401。由此，第一支撑件42的结构简单，便于加工，且对于蒸发器2的支撑可靠性好，并且能够简单且有效地限定出排水通道401。在一些具体示例中，每个第一子筋421均构造为非连续筋条以限定出至少一个第一断口4210，即每个第一子筋421上均具有至少一个第一断口4210，导流通道402包括第一断口4210，也就是说，导流通道402至少由第一断口4210构成。由此，导流通道402的结构简单，便于实现，且无需引入导流管44，降低成本和装配难度。另外，当部分沿着蒸发器2留下的水未进入排水通道401时，也可以通过第一断口4210排入汇流区域412，从而进一步提升的排水可靠性。
另外，在图8和图11所示的示例中，接水盘4还可以包括：第二支撑件43，第二支撑件43设在底板41上且用于支撑除湿机100的冷凝器3，第二支撑件43包括平行延伸的两个第二子筋431，每个第二子筋431均构造为非连续筋条，以使每个第二子筋431均限定出至少一个第二断口4310，此时，导流通道402包括第一断口4210和第二断口4310，也就是说，导流通道402至少由第一断口4210和第二断口4310构成，以将排水通道401内的水引导至汇流区域412。由此，通过设置第二支撑件43，可以避免冷凝器3与接水盘4内的水接触，从而提升除湿机100的除湿效果。另外，当部分沿着蒸发器2留下的水未进入排水通道401时，也可以通过第一断口4210和第二断口4310排入汇流区域412，从而进一步提升的排水可靠性。
下面，参照图7-图10，描述根据本申请一个具体实施例的用于除湿机100的接水盘4。
申请人在生活实践中创造性地发现了，相关技术中除湿机的排水可靠性不高主要源于以下两方面原因。
第一方面原因在于：相关技术中除湿机的接水盘采用窗式空调的接水盘，窗式空调的接水盘只有单侧连接排水槽，由于窗式空调安装时倾斜方向与单侧排水槽方向一致且使用场景固定，所以不存在排水不顺畅的问题，但是除湿机的使用场景不固定，若将除湿机放置在不平整的地面上使用时，除湿机的接水盘会出现排水不顺畅的问题，存在接水盘中的水沿着接水盘的上沿流到除湿机下部的安全隐患。
第二方面原因在于：相关技术中的除湿机接水盘的深度较浅，除湿机内风道中的空气流经接水盘上表面时，若空气流速较大则很容易将接水盘内的水带入风道，并从出风口吹出到室内环境中，削弱除湿机整体的除湿效果，影响用户体验。
为了至少解决上述技术问题中的至少一个，本实施例提出了一种用于除湿机100的接水盘4，根据本申请实施例的接水盘4的一个目的在于解决相关技术中单侧排水槽带来的排水不顺畅问题。
具体而言，如图7-图10所示，接水盘4通过设置双侧排水通道401和多个导流管44，从而使得除湿机100无论是水平放置还是倾斜放置，都能够及时有效地将蒸发器2冷凝下来的液态水，从接水盘4排入到除湿机100的水箱中。
如图8和图10所示，接水盘4包括底板41和设在底板41上的第一支撑件42、第二支撑件43和电机安装侧板45，第一支撑件42用于支撑蒸发器2且包括两个平行延伸的第一子筋421，第二支撑件43用于支撑冷凝器3且包括两个平行延伸的第二子筋431，两个第一子筋421之间限定出排水通道401以用于收集从蒸发器2上流下的除湿冷凝水，第二子筋431和电机安装侧板45之间限定出位于底板41上的汇流区域412，底板41上还有沿前后方向延伸的排水区域411，排水区域411的后端与排水管403接通。另外，根据本申请实施例的接水盘4可以采用一体化注塑的方式制造，结合图2，电机安装侧板45限定出的安装槽450用于安装电机6的安装架61，电机6的安装架61与接水盘4采用螺钉连接的方式 装配。
排水通道401为两个且分别位于排水区域411的左右两侧。左侧的排水通道401包括沿左右方向延伸的后通道段4011、沿前后方向延伸的前通道段4012、和连接后通道段4011和前通道段4012的中通道段4013，其中，后通道段4011直接向排水区域411排水，前通道段4012先将水排向汇流区域412，再通过汇流区域412流向排水区域411，前通道段4012和中通道段4013分别通过导流管44连通至汇流区域412。右侧的排水通道401包括沿前后方向延伸的前通道段4012、和连接前通道段4012的中通道段4013，其中，中通道段4013直接向排水区域411排水，前通道段4012先将水排向汇流区域412，再通过汇流区域412流向排水区域411，前通道段4012通过导流管44连通至汇流区域412。
其中，左右两侧的前通道段4012均可以自后向前倾斜向下延伸，左右两侧的中通道段4013均可以自前向后向下倾斜延伸，左侧的后通道段4011沿着朝向排水区域411的方向倾斜向下延伸。由于排水通道401的长度较长，若中间出现障碍物堵塞就会出现冷凝水溢流，通过设置导流管44可以有效解决该问题。
由此，在除湿机100运行时，当除湿机100水平放置时，冷凝水可以通过排水通道401流向汇流区域412和排水区域411，然后排走；当除湿机100前倾放置时，排水通道401内的水可以沿着a路径和b路径从前通道段4012流到汇流区域412、再通过排水区域411排走；当除湿机100后倾放置时，排水通道401内的水可以沿着c路径和d路径从后通道段4011流到排水区域411排走；当除湿机100出现左倾或右倾时，排水通道401内的水可以沿着导流管44排向汇流区域412，然后流向排水区域411。这样，无论除湿机100处于水平还是倾斜状态，都能及时顺畅地将水排走。
结合图8，第二子筋431的高度可以高于第一子筋421的高度，从而避免积水与冷凝器3接触，另外，底板41上可以具有自后向前倾斜向下延伸的落差斜面46，落差斜面46与电机安装侧板45之间限定出汇流区域412的一部分，即落差斜面46与电机安装侧板45之间限定出较深的汇流槽4120，由此，通过设置落差斜面46，并控制电机安装侧板45的高度，可以使得汇流槽4120可以足够深，以容纳足够多的积水，从而可以避免进入汇流槽4120内的除湿冷凝水被风轮5卷入风道甚至从出风口吹出的情况出现，有效改善了除湿机100的用户体验。
此外，根据本申请实施例的除湿机100的其他构成例如压缩机等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。
在本申请的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”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申请和简化描述，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申请的限制。
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。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、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申请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必须针对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一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请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，本申请的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种除湿机，其特征在于，包括：
    壳体，所述壳体上具有进风口；
    蒸发器，所述蒸发器设在所述壳体内；
    冷凝器，所述冷凝器设在所述壳体内，所述冷凝器的迎风面包括朝向不同的多个子面，所述迎风面包括第一表面和第二表面，所述第一表面被所述蒸发器遮挡以接收流过所述蒸发器的气流，所述第二表面未被遮挡以直接接收流过所述进风口的气流。
  2. 根据权利要求1所述的除湿机，其特征在于，所述第二表面的面积S2与所述第一表面的面积S1满足关系：5％≤S2/(S2+S1)≤50％。
  3. 根据权利要求2所述的除湿机，其特征在于，所述第二表面的面积S2与所述第一表面的面积S1满足关系：S2/(S2+S1)＝2/7。
  4. 根据权利要求1-3中任一项所述的除湿机，其特征在于，所述进风口包括形成在所述壳体的后表面上的第一进风口、形成在所述壳体的左表面上的第二进风口、以及形成在所述壳体的右表面上的第三进风口，所述冷凝器为U形换热器且所述迎风面包括朝向所述第一进风口的第一子面、朝向所述第二进风口的第二子面、朝向所述第三进风口的第三子面、连接所述第一子面和所述第二子面的第一折弯子面、以及连接所述第一子面和所述第三子面的第二折弯子面。
  5. 根据权利要求4所述的除湿机，其特征在于，所述蒸发器为U形换热器且包括第一部分、第二部分、第三部分、第一折弯段和第二折弯段，所述第一部分平行于所述第一子面且遮挡所述第一子面的一部分，所述第二部分平行于所述第二子面且遮挡所述第二子面的一部分，所述第三部分平行于所述第三子面且遮挡所述第三子面的一部分，所述第一部分和所述第二部分通过第一折弯段相连，所述第一部分和所述第三部分通过第二折弯段相连。
  6. 根据权利要求4所述的除湿机，其特征在于，所述蒸发器为L形换热器且包括第一部分、第二部分和第一折弯段，所述第一部分平行于所述第一子面且遮挡所述第一子面的至少部分，所述第二部分平行于所述第二子面且遮挡所述第二子面的至少部分，或者所述第二部分平行于所述第三子面且遮挡所述第三子面的至少部分，所述第一部分和所述第二部分通过第一折弯段相连。
  7. 根据权利要求4所述的除湿机，其特征在于，所述蒸发器为直排换热器，所述蒸发器平行于所述第一子面且遮挡所述第一子面的至少部分。
  8. 根据权利要求5-7中任一项所述的除湿机，其特征在于，所述蒸发器与所述第一子面在前后方向上的间隙为2.5mm～4.5mm。
  9. 根据权利要求8所述的除湿机，其特征在于，所述蒸发器与所述第一子面在前后方 向上的间隙为3.5mm～3.8mm。
  10. 根据权利要求1-9中任一项所述的除湿机，其特征在于，所述第二表面位于所述第一表面的上方。
  11. 根据权利要求10所述的除湿机，其特征在于，所述冷凝器和所述蒸发器均为U形换热器、或者均为L形换热器、或者均为直排换热器。
  12. 根据权利要求1-11中任一项所述的除湿机，其特征在于，所述第一表面被所述蒸发器遮挡且直接接收流过所述蒸发器的气流。
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