CN107940621B - Dehumidifier - Google Patents

Dehumidifier Download PDF

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Publication number
CN107940621B
CN107940621B CN201711415403.2A CN201711415403A CN107940621B CN 107940621 B CN107940621 B CN 107940621B CN 201711415403 A CN201711415403 A CN 201711415403A CN 107940621 B CN107940621 B CN 107940621B
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CN
China
Prior art keywords
air
condenser
evaporator
fan
heat exchanger
Prior art date
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Active
Application number
CN201711415403.2A
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Chinese (zh)
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CN107940621A (en
Inventor
程超
杨健春
崔振民
陈学彬
岑晓维
李凯龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Publication date
Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201711415403.2A priority Critical patent/CN107940621B/en
Publication of CN107940621A publication Critical patent/CN107940621A/en
Application granted granted Critical
Publication of CN107940621B publication Critical patent/CN107940621B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F2003/144Air-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 by dehumidification only

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention discloses a dehumidifier, which comprises at least two first evaporators, at least two second evaporators, at least one first condenser and at least one second condenser, wherein the at least two first evaporators, the at least two second evaporators and the at least one first condenser and the at least one second condenser are mutually communicated to form a refrigerant circulation loop; at least two heat development exchangers are arranged between the first condenser and the second condenser, each heat development exchanger is at least provided with a first air duct and a second air duct, and the first air duct and the second air duct are mutually adjacent and are not communicated in the heat development exchanger; the first air channel comprises a first air inlet and a first air outlet, and the second air channel comprises a second air inlet and a second air outlet; the dehumidifier also comprises at least a first fan and a second fan, wherein one first fan is arranged close to one first condenser, one second fan is arranged close to one second condenser, and a first evaporator and a second evaporator are arranged on different sides of the two-display heat exchanger. Aims to improve the dehumidification capacity and the energy efficiency ratio of the dehumidifier.

Description

Dehumidifier
Technical Field
The invention relates to the technical field of air dehumidification, in particular to a dehumidifier.
Background
The moist environment is unfavorable for the activities of people and is also unfavorable for the storage and the use of equipment, and the dehumidifier can play the role of drying air, so that people or equipment can work in a proper humidity environment. Existing dehumidifiers generally include an evaporator and a condenser, both of which form a refrigeration cycle system. When the evaporator works, the evaporator obtains the evaporation temperature lower than the dew point of ambient air, when the air passes through the evaporator, the air temperature is once reduced below the dew point temperature, water in the air can be condensed, then the low-temperature low-humidity air condensed by the evaporator passes through the condenser, and the condenser heats the air by virtue of the high-temperature high-pressure refrigerant gas in the condenser and then conveys the air to the indoor environment, so that the influence of the low-temperature air on the environment is avoided. However, only the dehumidifier formed by the evaporator and the condenser is arranged, so that the energy efficiency in the refrigerating process is low, and the dehumidification capability attenuation of the existing dehumidifier is obvious especially under the condition of low outdoor temperature.
Disclosure of Invention
The invention mainly aims to provide a dehumidifier which aims to improve the dehumidification efficiency and the dehumidification capacity of the dehumidifier.
In order to achieve the above object, the dehumidifier according to the present invention comprises at least two first evaporators, at least two second evaporators, at least one first condenser, and a second condenser, which are mutually communicated to form a refrigerant circulation loop;
At least two heat development exchangers are arranged between the first condenser and the second condenser, each heat development exchanger is at least provided with a first air duct and a second air duct, and the first air duct and the second air duct are mutually adjacent and are not communicated in the heat development exchanger;
The first air channel comprises a first air inlet and a first air outlet, and the second air channel comprises a second air inlet and a second air outlet; the dehumidifier also comprises at least a first fan and a second fan, wherein one first fan is arranged close to one first condenser, and one second fan is arranged close to the second condenser;
The first evaporator covers a first air inlet of the heat development exchanger, the second evaporator covers a second air outlet of the heat development exchanger, the other first evaporator covers a first air outlet of the other heat development exchanger, and the other second evaporator covers a second air inlet of the other heat development exchanger;
a first fan blows out the outside air after passing through the second air duct, the second evaporator and the second condenser in sequence,
The first fan blows out outside air after sequentially passing through the other second evaporator, the other second air duct and the other second condenser;
A second fan blows out the external air through the first evaporator, the first air duct and the first condenser in sequence,
The second fan blows out the external air through the other first air duct, the other first evaporator and the other first condenser in sequence;
Or, a first evaporator covers a first air outlet of a sensible heat exchanger, a second evaporator covers a second air inlet of the sensible heat exchanger, another first evaporator covers a first air inlet of another sensible heat exchanger, and another second evaporator covers a second air outlet of another sensible heat exchanger;
The first fan blows out outside air after sequentially passing through the second evaporator, the second air duct and the first condenser;
the first fan also blows out outside air after sequentially passing through the other second air duct, the other second evaporator and the first condenser;
A second fan blows out the external air through the first air duct, the first evaporator and the second condenser in sequence,
And the second fan also blows out the outside air through the other first evaporator, the other first air duct and the second condenser in sequence.
Optionally, the first fan is arranged between the first condenser and the sensible heat exchanger, and the second fan is arranged between the second condenser and the sensible heat exchanger;
or, the first condenser is arranged between the first fan and the sensible heat exchanger, and the second condenser is arranged between the second fan and the sensible heat exchanger;
Or, the first fan is arranged between the first condenser and the sensible heat exchanger, and the second condenser is arranged between the second fan and the sensible heat exchanger;
Or, the first condenser is arranged between the first fan and the heat development exchanger, and the second fan is arranged between the second condenser and the heat development exchanger.
Optionally, when a first evaporator covers a first air inlet of a sensible heat exchanger, a second evaporator covers a second air outlet of a sensible heat exchanger, another first evaporator covers a first air outlet of another sensible heat exchanger, and another second evaporator covers a second air inlet of another sensible heat exchanger;
When the first condenser is arranged between the first fan and the heat development exchanger, the dehumidifier comprises at least two first condensers, and one first condenser is arranged adjacent to a second evaporator and is positioned at one side of the second evaporator, which is away from the second air inlet; the other first condenser covers a second air outlet of the other sensible heat exchanger; and/or the number of the groups of groups,
And when the second condenser is arranged between the second fan and the heat development exchanger, the dehumidifier comprises at least two second condensers, one second condenser covers a first air outlet of the heat development exchanger, and the other second condenser is adjacent to the other first evaporator and is positioned at one side of the first evaporator away from the first air inlet.
Optionally, when a first evaporator covers a first air outlet of a sensible heat exchanger, a second evaporator covers a second air inlet of a sensible heat exchanger, another first evaporator covers a first air inlet of another sensible heat exchanger, and another second evaporator covers a second air outlet of another sensible heat exchanger;
When the first condenser is arranged between the first fan and the heat development exchanger, the dehumidifier comprises at least two first condensers, one first condenser covers a second air outlet of the heat development exchanger, and the other first condenser is adjacent to the other second evaporator and is positioned at one side of the second evaporator away from the second air inlet; and/or the number of the groups of groups,
And when the second condenser is arranged between the second fan and the sensible heat exchanger; the dehumidifier comprises at least two second condensers, wherein one second condenser is arranged adjacent to a first evaporator and is positioned at one side of the first evaporator, which is away from the first air inlet; the other second condenser covers the first air outlet of the other sensible heat exchanger.
Optionally, the dehumidifier is further provided with at least one air compensating port, an air compensating condenser is arranged at the air compensating port, the air compensating condenser is communicated with the refrigerant circulation loop, and the fan sucks external air from the air compensating port and blows the external air out through the air compensating condenser.
Optionally, the number of the air compensating ports is at least two, the number of the air compensating condensers is also at least two, and the two air compensating ports are oppositely arranged.
Optionally, the number of the air compensating ports is four, the number of the air compensating condensers is also four, two air compensating ports are relatively arranged on two sides of the first fan, and two air compensating ports are relatively arranged on two sides of the second fan.
Optionally, the two sensible heat exchangers are symmetrically arranged.
Optionally, the first evaporator, the second evaporator, and the condenser are fin-tube heat exchangers or microchannel heat exchangers.
Optionally, the dehumidifier is further provided with a water receiving disc and a water tank communicated with the water receiving disc, and the water receiving disc is arranged corresponding to the first evaporator and the second evaporator.
In the technical scheme of the invention, when the dehumidifier is used for dehumidifying, specifically taking two sensible heat exchangers as examples, when the first fan and the second fan are started,
Under the driving action of the first fan, the first outside air enters a sensible heat exchanger through a second air inlet, and after precooling (reaching a saturated state or a near saturated state in advance) through a second air channel of the sensible heat exchanger, the outside air flows through a second evaporator from a second air outlet to cool and dehumidify; the air is cooled and dehumidified by a second evaporator, and then is blown out to the indoor environment after being heated by a first condenser together with a second air flow out of a second air outlet of a second air duct of another sensible heat exchanger;
Under the driving action of the second fan, after the third external air is cooled and dehumidified by the first evaporator, the third external air flows out from the first air outlet through the first air inlet into the first air channel of the one heat-displaying exchanger, and after the third external air flows out from the first air outlet through the first air channel of the other heat-displaying exchanger after being precooled (reaching a saturated state or a nearly saturated state in advance) through the first air channel of the other heat-displaying exchanger, the third external air is heated by the second condenser and then blown out to the indoor environment.
According to the technical scheme, the air inlet and the air outlet are arranged in at least four ways, on one hand, the air inlet is large due to the fact that the air inlet is large, the air quantity of the evaporator and the condenser is increased, the effect on improving the dehumidifier and the energy efficiency ratio is remarkable, on the other hand, the air outlet is large due to the fact that the air inlet and the air outlet in different directions can be arranged, the characteristics of air inlet and the air outlet in multiple angles are achieved, and therefore the dehumidification effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a dehumidifier according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a dehumidifier according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a dehumidifier according to a third embodiment of the present invention;
FIG. 4 is a schematic view of a fourth embodiment of a dehumidifier of the present invention;
FIG. 5 is a schematic view of a fifth embodiment of a dehumidifier of the present invention;
FIG. 6 is a schematic view of a dehumidifier according to a sixth embodiment of the present invention;
FIG. 7 is a schematic view of a seventh embodiment of a dehumidifier of the present invention;
FIG. 8 is a schematic view of an eighth embodiment of a dehumidifier of the present invention;
FIG. 9 is a schematic view of a structure of a ninth embodiment of a dehumidifier of the present invention;
FIG. 10 is a schematic view of a structure of a tenth embodiment of a dehumidifier of the present invention;
FIG. 11 is a schematic view showing the structure of an eleventh embodiment of a dehumidifier of the present invention;
FIG. 12 is a schematic view showing a structure of a twelfth embodiment of a dehumidifier of the present invention;
FIG. 13 is a schematic view showing a structure of a thirteenth embodiment of a dehumidifier of the present invention;
FIG. 14 is a schematic view showing a structure of a fourteenth embodiment of a dehumidifier of the present invention;
FIG. 15 is a schematic view showing the structure of a fifteenth embodiment of a dehumidifier of the present invention;
FIG. 16 is a schematic view showing a structure of a sixteenth embodiment of a dehumidifier of the present invention;
FIG. 17 is a schematic view showing a structure of a seventeenth embodiment of a dehumidifier of the present invention;
Fig. 18 is a schematic structural view of an eighteenth embodiment of a dehumidifier of the present invention.
Reference numerals illustrate:
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present invention proposes a dehumidifier 100.
Referring to fig. 1, in the embodiment of the present invention, the dehumidifier 100 includes at least two first evaporators 10, at least two second evaporators 30, at least one first condenser 40, and at least one second condenser 50, which are connected to each other to form a refrigerant circulation circuit;
At least two sensible heat exchangers 70 are arranged between the first condenser 40 and the second condenser 50, each sensible heat exchanger 70 is provided with at least a first air duct 71 and a second air duct 73, and the first air duct 71 and the second air duct 73 are adjacent to each other and are not communicated with each other in the sensible heat exchanger 70;
the first air duct 71 includes a first air inlet 711 and a first air outlet 713, and the second air duct 73 includes a second air inlet 731 and a second air outlet 733; the dehumidifier 100 further comprises at least a first fan 80 and a second fan 90, wherein one of the first fans 80 is disposed adjacent to one of the first condensers 40, and one of the second fans 90 is disposed adjacent to the second condenser 50;
A first evaporator 10 covers a first air inlet 711 of a sensible heat exchanger 70, a second evaporator 30 covers a second air outlet 733 of a sensible heat exchanger 70, another first evaporator 10 covers a first air outlet 713 of another sensible heat exchanger 70, and another second evaporator 30 covers a second air inlet 731 of another sensible heat exchanger 70;
A first fan 80 blows out the outside air sequentially through the second air duct 73, the second evaporator 30 and the second condenser 50,
The first fan 80 blows out the outside air after passing through the other second evaporator 30, the other second air duct 73, and the other second condenser 50 in this order;
A second fan 90 blows outside air through the first evaporator 10, the first air duct 71, and the first condenser 40 in this order,
The second fan 90 blows out the outside air sequentially through the other first air duct 71, the other first evaporator 10, and the other first condenser 40;
Or, a first evaporator 10 covers a first air outlet 713 of a sensible heat exchanger 70, a second evaporator 30 covers a second air inlet 731 of a sensible heat exchanger 70, another first evaporator 10 covers a first air inlet 711 of another sensible heat exchanger 70, and another second evaporator 30 covers a second air outlet 733 of another sensible heat exchanger 70;
a first fan 80 sequentially blows out the outside air through the second evaporator 30, the second air duct 73, and the first condenser 40;
The first fan 80 blows out the outside air after passing through the other second air duct 73, the other second evaporator 30, and the first condenser 40 in this order;
a second fan 90 blows outside air through the first air duct 71, the first evaporator 10, and the second condenser 50 in this order,
The second fan 90 blows outside air through the other first evaporator 10, the other first air duct 71, and the second condenser 40 in this order.
In the dehumidifier 100 according to the present invention, in particular, taking two sensible heat exchangers 70 as an example, when the first fan 80 and the second fan 90 are started,
Embodiment one: under the driving action of the first fan 80, the first external air (the first air flow 71 a) enters the sensible heat exchanger 70 through the second air inlet 731, is precooled (reaches a saturated state or a near saturated state in advance) through the second air duct 73 of the sensible heat exchanger 70, and flows through the second evaporator 30 from the second air outlet 733 for cooling and dehumidifying; the first air is cooled and dehumidified by the second evaporator 30 provided in the other sensible heat exchanger 70, and then blown out to the indoor environment after being heated by the first condenser 40 together with the second outside air (second air flow 72 a) flowing out through the second air outlet 733 of the second air duct 73 of the other sensible heat exchanger 70;
under the driving action of the second fan 90, the third external air (third air flow 73 a) is cooled and dehumidified by the first evaporator 10, then flows out of the first air duct 71 entering the first sensible heat exchanger 70 through the first air inlet 711, and flows out of the first air outlet 713 through the first air duct 71 entering the other sensible heat exchanger 70, precools (reaches a saturated state or a nearly saturated state in advance) through the first air duct 71 of the other sensible heat exchanger 70, flows out of the first air outlet 713, and then is cooled and dehumidified by the first evaporator 10, and then is blown out to the indoor environment after being heated by the second condenser 50.
Embodiment two: under the driving action of the first fan 80, the first external air (the first air flow 71 a) is cooled and dehumidified by the second evaporator 30, then enters the sensible heat exchanger 70 through the second air inlet 731 of the second air duct 73 of the sensible heat exchanger 70, is blown out from the second air outlet 733 of the second air duct 73 of the sensible heat exchanger 70, enters the sensible heat exchanger 70 together with the second air inlet 731 of the second air duct 73 of the other sensible heat exchanger 70, is precooled (reaches a saturated state or a nearly saturated state in advance) by the sensible heat exchanger 70, and flows out to the second evaporator 30 arranged in the sensible heat exchanger 70 through the second air outlet 733 of the second air duct 73 of the sensible heat exchanger 70, and is cooled and dehumidified by the second evaporator 30, and then is blown out to the indoor environment after being heated by the first condenser 40;
Under the driving action of the second fan 90, the third external air (third air flow 73 a) is cooled and dehumidified by the first evaporator 10, then enters the sensible heat exchanger 70 through the first air inlet 711 of the first air duct 71 of the sensible heat exchanger 70, flows out through the first air outlet 713 of the first air duct 71 of the sensible heat exchanger 70, enters the sensible heat exchanger 70 together with the first air inlet 711 of the first air duct 71 of the other sensible heat exchanger 70, precools (reaches a saturated state or a near saturated state in advance) through the sensible heat exchanger 70, and then flows out of the fourth external air (fourth air flow 74 a) flowing out of the first air outlet 713 of the first air duct 71 of the sensible heat exchanger 70 through the second condenser 50 after being subjected to temperature rising treatment.
The difference between the first embodiment and the second embodiment is that: the positions of at least two first evaporators 10 and second evaporators 30 are set differently; taking the two-display heat exchanger 70 as an example, specifically: the first evaporator 10 of the first embodiment is disposed at the first air inlet 711, the second evaporator 30 is disposed at the second air outlet 733, the other first evaporator 10 is disposed at the first air outlet 713, and the other second evaporator 30 is disposed at the second air inlet 713; the first evaporator 10 of the second embodiment is disposed at the first air outlet 713, the second evaporator 30 is disposed at the second air inlet 713, the other first evaporator 10 is disposed at the first air inlet 711, and the other second evaporator 30 is disposed at the second air outlet 733.
According to the technical scheme, the dehumidifier 100 is provided with at least four air inlets and at least two air outlets, on one hand, the air inlet quantity is large, the air quantity of the evaporator and the condenser is increased, the dehumidifier 100 has a remarkable effect on improving the dehumidifier 100 and the energy efficiency ratio, on the other hand, the dehumidifier 100 provided by the application is provided with at least two air outlets, the air outlet quantity is large, and air inlets and air outlets in different directions can be arranged, so that the dehumidifier has the characteristics of air inlet and air outlet with multiple angles, and the dehumidification effect is good, meanwhile, due to the fact that the at least two heat-developing exchangers 70 are mutually adjacent and are not communicated in the heat-developing exchangers 70 (because the first air channel 71 and the second air channel 73 are influenced by low-temperature and low-humidity air in the second air channel 73, the temperature of the high-temperature and high-humidity air in the first air channel 71 is reduced, the temperature of the high-humidity air in the first air channel 71 is advanced to reach a saturated state or a saturated state in advance, and the first evaporator 10 or each second evaporator 30 is advanced, the first evaporator or each second evaporator 30 can be cooled and the high-humidity air can be further cooled, and the high-humidity air can be further cooled and dehumidified, and the target of the first evaporator or the high-humidity can be improved.
It will be appreciated that the dehumidifier 100 of the present application may further include a housing (not shown) in which the first evaporator 10, the second evaporator 30, the condenser 50, and the sensible heat exchanger 70 are disposed, and a partition assembly (not shown) is further disposed in the housing, so that the two sensible heat exchangers 70 can form separate chambers, and the air flow between the two sensible heat exchangers 70 is prevented from moving. Meanwhile, it will be understood that the housing is provided with air inlets corresponding to the first air duct 71 and the second air duct 73 and air outlets corresponding to the condenser 50, and thus, installation and arrangement of the respective components of the dehumidifier 100 are facilitated through the housing. The shell can be produced by adopting a plastic material in an injection molding mode, and a detachable shell structure, namely a plurality of split shells are spliced and assembled to form the shell. The shape of the housing may take the form of a circle, square, regular polygon or other irregular shape. It will be appreciated that the air inlet and air outlet of the housing may also be provided with a damper assembly so that the opening and closing of the air duct may be precisely controlled.
Of course, it should be understood that the housing may not be provided, and the above components may be assembled in a modular manner, and each component may form a part of the whole body, so that the technical solution of the present application may also be implemented.
In the present embodiment, it is further understood that the first evaporator 10 and the second evaporator 30, the first condenser 40 and the second condenser 50, and the first fan 80 and the second fan 90 may all be identical evaporators, condensers and fans, and of course, different evaporators, condensers and fans may also be used; the power, size, model, etc. may be the same or different, and will not be described in detail herein.
The present application may further be provided with a compressor (not shown) connected to the first evaporator 10, the second evaporator 30, and the condenser 50 through a throttling member and a pipe system to form a refrigerant circulation circuit, where the compressor may be installed in the same housing as the first evaporator 10, the second evaporator 30, and the condenser 50 to form a dehumidifier 100 together, or a multi-split system similar to a central air conditioner may be used, and one compressor drives a plurality of dehumidifiers 100.
The sensible heat exchanger 70 according to an embodiment of the application operates on the following principle: the sensible heat exchanger 70 is a type of heat exchanger which only transfers heat and does not transfer mass, and when in operation, two air flows cross through the heat exchange core, the first air duct 71 and the second air duct 73 are separated by a separation plate, two fluid at two sides of the separation plate have temperature difference, and the two fluid exchanges heat through the separation plate, so that the heat transfer process is completed. The partition plate is plate-shaped and sheet-shaped, and the part with the partition function is not provided with any through holes, so that only heat exchange and no mass exchange can be realized; the material can be plastic or metal, but is not limited to the two materials. The sensible heat exchanger 70 shape includes, but is not limited to, a regular polygon, and may be various shaped bodies with other even sides.
The first evaporator 10, the second evaporator 30, and the condenser 50 are fin-tube heat exchangers or microchannel heat exchangers.
The evaporator (first evaporator 10 or second evaporator 30) of an embodiment of the application: by means of the heat absorbed by the low temperature low pressure refrigerant in the refrigerant circulation loop, the moisture in the air passing through the evaporator is condensed out, so as to achieve the dehumidification purpose. The evaporator may employ a fin and tube heat exchanger or a microchannel heat exchanger. In the case of a fin-tube heat exchanger, the fin-tube heat exchanger can take the form of a plurality of rows of tubes, and is generally preferably 1-4 rows, the tube diameter of the fin-tube heat exchanger is preferably 4-10 mm, the fin type is preferably windowed, and the fin distance is preferably 1.2-1.6 mm. The fin tube type heat exchanger arranged in this way can furthest pass through air and perform full heat exchange with the air on the premise of saving installation space and materials. In the case of a microchannel heat exchanger, 1 to 2 rows are generally preferred, the width of the flat tube is preferably 8 to 20mm, the thickness is preferably 1.2 to 2.0mm, and the sheet distance is preferably 1.1 to 1.4mm. The micro-channel heat exchanger arranged in this way can improve heat exchange efficiency.
Condenser 50 of one embodiment of the present application: the low-temperature and low-humidity air flowing through the condenser 50 is heated by the high-temperature and high-pressure refrigerant gas in the refrigerant circulation loop, so that the purpose of reheating the air is achieved, and the influence of the dehumidification process on the environmental temperature is reduced. The condenser 50 may be a fin-tube heat exchanger or a microchannel heat exchanger. In the case of a fin-tube heat exchanger, the fin-tube heat exchanger can take the form of a plurality of rows of tubes, and is generally preferably 1-6 rows, the tube diameter of the fin-tube heat exchanger is preferably 4-7 mm, the fin type of the fin-tube heat exchanger is preferably windowed, and the fin distance is preferably 1.2-1.6 mm. In the case of a microchannel heat exchanger, 1 to 2 rows are generally preferred, the width of the flat tube is preferably 8 to 16mm, the thickness is preferably 1.2 to 2.0mm, and the sheet distance is preferably 1.1 to 1.4mm. The advantageous effect of the arrangement of the condenser 50 is similar to that of the evaporator and will not be described in detail herein.
In the present embodiment, in the first embodiment described above, the four embodiments as in fig. 1 to 4 are produced according to the change in the relative positions of the first fan 80, the second fan 90, the first condenser 40, and the second condenser 50, that is, in combination with the following four embodiments:
The first fan 80 is disposed between the first condenser 40 and the sensible heat exchanger 70, and the second fan 90 is disposed between the second condenser 50 and the sensible heat exchanger 70;
Or, the first condenser 40 is disposed between the first fan 80 and the sensible heat exchanger 70, and the second condenser 50 is disposed between the second fan 90 and the sensible heat exchanger 70;
Or, the first fan 80 is disposed between the first condenser 40 and the sensible heat exchanger 70, and the second condenser 50 is disposed between the second fan 90 and the sensible heat exchanger 70;
Alternatively, the first condenser 40 is disposed between the first fan 80 and the sensible heat exchanger 70, and the second fan 90 is disposed between the second condenser 50 and the sensible heat exchanger 70.
Further, in the second embodiment described above, according to the change in the relative positions of the first fan 80, the second fan 90, the first condenser 40, and the second condenser 50, that is, four examples as shown in fig. 5 to 8 are produced in combination with the following four embodiments:
The first fan 80 is disposed between the first condenser 40 and the sensible heat exchanger 70, and the second fan 90 is disposed between the second condenser 50 and the sensible heat exchanger 70;
Or, the first condenser 40 is disposed between the first fan 80 and the sensible heat exchanger 70, and the second condenser 50 is disposed between the second fan 90 and the sensible heat exchanger 70;
Or, the first fan 80 is disposed between the first condenser 40 and the sensible heat exchanger 70, and the second condenser 50 is disposed between the second fan 90 and the sensible heat exchanger 70;
Alternatively, the first condenser 40 is disposed between the first fan 80 and the sensible heat exchanger 70, and the second fan 90 is disposed between the second condenser 50 and the sensible heat exchanger 70.
It will be appreciated that in this case, the dehumidifier according to the eight embodiments of fig. 1 to 8 may be provided with only one first condenser 40 and one second condenser 50. At this time, the dehumidified air of each sensible heat exchanger 70 through the first evaporator 10 and the second evaporator 30 flows through the same condenser 50 to be warmed up and then returned to the indoor environment, so that the dehumidifier can be more compact in structure and convenient to install.
Wherein the heat exchange area of the condensers (the first condenser 40 and the second condenser 50) can be increased to reduce the power of the system, thereby achieving the aim of improving the energy efficiency. Of course, it is also possible to:
When a first evaporator 10 covers a first air inlet 711 of a sensible heat exchanger 70, a second evaporator 30 covers a second air outlet 733 of a sensible heat exchanger 70, another first evaporator 10 covers a first air outlet 713 of another sensible heat exchanger 70, and another second evaporator 30 covers a second air inlet 731 of another sensible heat exchanger 70;
when the first condenser 40 is disposed between the first fan 80 and the sensible heat exchanger 70, the dehumidifier includes at least two first condensers 40, and a first condenser 40 is disposed adjacent to a second evaporator 30 and is located at a side of the second evaporator 30 away from the second air inlet 731; the other first condenser 40 covers the second air outlet 733 of the other sensible heat exchanger; and/or the number of the groups of groups,
And when the second condenser 50 is disposed between the second fan 90 and the sensible heat exchanger 70, the dehumidifier includes at least two second condensers 50, one second condenser 50 covers the first air outlet 713 of one sensible heat exchanger, and the other second condenser 50 is disposed adjacent to the other first evaporator 10 and is located at a side of the first evaporator 10 facing away from the first air inlet 711.
Further, when a first evaporator 10 covers a first air outlet 713 of a sensible heat exchanger 70, a second evaporator 30 covers a second air inlet 731 of a sensible heat exchanger 70, another first evaporator 10 covers a first air inlet 711 of another sensible heat exchanger 70, another second evaporator 30 covers a second air outlet 733 of another sensible heat exchanger 70;
When the first condenser 40 is disposed between the first fan 80 and the sensible heat exchanger 70, the dehumidifier includes at least two first condensers 40, one first condenser 40 covers the second air outlet 733 of the sensible heat exchanger 70, and the other first condenser 40 is disposed adjacent to the other second evaporator 30 and is located at a side of the second evaporator 30 away from the second air inlet 731; and/or the number of the groups of groups,
And when the second condenser 50 is provided between the second fan 90 and the sensible heat exchanger 70; the dehumidifier includes at least two second condensers 50, wherein a second condenser 50 is disposed adjacent to a first evaporator 10 and is located at a side of the first evaporator 10 facing away from the first air inlet 711; the other second condenser 50 covers the first air outlet 713 of the other sensible heat exchanger 70.
It will be appreciated that in fig. 9 to 18, fig. 9 and 10 show that the first condenser 40 is provided with at least two, a first condenser 40 is provided on different sides of a sensible heat exchanger 70, a second condenser 50 is provided with at least one, and a second condenser 50 is provided corresponding to two sensible heat exchangers 70;
The differences between fig. 9 and 10 are: the second condenser 50 is located differently: the second condenser 50 in fig. 9 is arranged on the side of the second fan 90 facing away from the sensible heat exchanger 70, i.e. the second fan 90 is arranged between the sensible heat exchanger 70 and the second condenser 50.
FIG. 11 shows at least two first condensers 40 and second condensers 50, one first condenser 40 and second condenser 50 being disposed on each of the different sides of a sensible heat exchanger 70;
Fig. 12 and 13 show that at least two second condensers 50 are provided, one second condenser 50 is provided on each of different sides of one sensible heat exchanger 70, at least one first condenser 40 is provided, and one first condenser 40 is provided corresponding to two sensible heat exchangers 70;
Fig. 12 and 13 differ in that: the first condenser 40 is located differently: the first condenser 40 in fig. 12 is disposed on the side of the first fan 80 facing away from the sensible heat exchanger 70, i.e., the first fan 80 is disposed between the sensible heat exchanger 70 and the first condenser 40.
Wherein fig. 14-18 are identical to fig. 9-12, with the difference that: fig. 9 to 12 are five examples of the configuration of the first embodiment, that is, the configuration of the first evaporator 10 at the first air outlet 713 and the configuration of the second evaporator 30 at the second air inlet 731, and fig. 14 to 18 are five examples of the configuration of the second embodiment, that is, the configuration of the first evaporator 10 at the first air inlet 711 and the configuration of the second evaporator 30 at the second air outlet 733, in which the positions of the first condenser 40 and the second condenser 50 are changed.
Furthermore, based on the 18 embodiments, the dehumidifier provided by the invention can reduce the power of the system by increasing the air inlet of the condenser, thereby achieving the aim of improving the energy efficiency.
The specific design is as follows: the dehumidifier 100 is further provided with at least one air compensating port, an air compensating condenser is arranged at the air compensating port, the air compensating condenser is communicated with the refrigerant circulation loop, and the fan 90 sucks external air from the air compensating port and blows the external air out through the air compensating condenser.
At this time, the principle of refrigerant circulation is: the refrigerant is compressed by the compressor to form a high-temperature and high-pressure refrigerant (the refrigerant is gas in theory at this time) which flows to the air-supplementing condenser, the high-temperature and high-pressure refrigerant is primarily cooled on the air-supplementing condenser and then flows to the condenser 50 for dehumidification and then is cooled again, and then the refrigerant passes through the throttling device (the refrigerant is liquid in theory at this time) and flows to the evaporators (the first evaporator 10 and the second evaporator 30).
The refrigerant conducts heat transfer with air on the evaporator, the refrigerant absorbs heat to condense the air, the refrigerant is also converted into gas from liquid, and the refrigerant flows to the compressor again after heat exchange of the evaporator.
The reason for setting the air supplementing condenser is as follows: the heat exchange area of the condenser 50 of the dehumidifier 100 and the required air quantity are larger than those of the evaporator, and the existing dehumidifier 100 adopts a technology of thickening the parts of the condenser 50, but has poor efficiency, low energy efficiency and cannot increase the air quantity. After a single air supplementing condenser is arranged, the area of the air supplementing condenser can be controlled randomly to automatically adjust the heat exchange area required by the condenser 50, and the air quantity of the air supplementing condenser and the condenser 50 of the system is larger than that of the evaporator.
Further, the number of the air supplementing openings is at least two, the number of the air supplementing condensers is also at least two, and the two air supplementing openings are oppositely arranged. That is, an air supply port and an air supply condenser are correspondingly arranged at the position of each sensible heat exchanger 70, so that the air quantity and the heat exchange efficiency can be increased.
Further, the number of the air supplementing openings is four, the number of the air supplementing condensers is also four, the two air supplementing openings are relatively arranged on two sides of the first fan, and the two air supplementing openings are relatively arranged on two sides of the second fan. Specifically, two air-compensating condensers are relatively arranged at two sides of the first fan 80, and the other two air-compensating condensers are relatively arranged at two sides of the second fan 90, so that different flow passages are formed between the air flow of the air-compensating air and the air flow of the secondary heat exchanger 70, the air flows are not interfered with each other, the loss of air quantity is reduced, and the air output is improved.
In one embodiment of the present application, the two sensible heat exchangers 70 are symmetrically disposed. By symmetrically arranging the two sensible heat exchangers 70, the arrangement of the sensible heat exchangers 70 can be more reasonable, the arrangement of the air paths is more reasonable, and the space occupied by the sensible heat exchangers 70 in the whole arrangement of the dehumidifier 100 is reduced.
Further, the first air outlet 713 of the first air duct 71 of one sensible heat exchanger 70 is symmetrically arranged with the first air outlet 713 of the first air duct 71 of another sensible heat exchanger 70.
In this way, the two first air outlets 713 of the two first air channels 71 are symmetrically arranged, after the external air flows out from the first air channels 71, two air flows together and is blown out by the fan 90, so that the air output can be improved, and the loss of the air output can be reduced.
In one embodiment of the present application, the fan 90 is an axial flow fan, a cross flow fan, or a centrifugal fan. The exhaust direction of the axial flow fan is in direct exhaust along the axial direction, and the air inlet and the air outlet of the fan are on the same axial parallel line; the air quantity and the air pressure of the axial flow fan are smaller, basically no air pressure exists, and the appearance of the axial flow fan is basically cylindrical; the exhaust direction of the centrifugal fan is perpendicular to the direction of the air inlet, so that 360-degree specified direction exhaust can be realized; the centrifugal fan 90 has larger air volume and air pressure, and if the pipe elbow is more, the air draft distance and the air supply distance are more distant, so that the centrifugal fan has better effect, and the appearance of the centrifugal fan is snail-shaped. The air flow of the cross flow fan flows through the impeller and is acted by the action of the two times of the blades, so that the air flow can reach a long distance without turbulent flow, and the air flow is forcedly folded in the impeller, so that the pressure head loss is larger and the efficiency is lower. When the impeller rotates, air flow enters the blade grating from the opening position of the impeller, passes through the inside of the impeller, and is discharged into the volute from the blade grating on the other side, so that working air flow is formed. Therefore, the fan can be selected according to the actual working scene and the actual requirement.
In this embodiment, a purifying component may also be disposed at the first air inlet 711 and/or the first air outlet 713 of the first air duct 71; and/or the second air inlet and/or the second air outlet 733 of the second air duct 73. That is, the dehumidifier 100 can have both the purifying and dehumidifying functions through the purifying assembly. The purification assembly comprises at least two layers of filter structures which are arranged in a stacked mode, wherein one filter structure is an active carbon layer, and the other filter structure is a HEPA filter layer.
The activated carbon adsorption method is a method of removing one or more substances in the air by adsorbing the substances on the surface of the activated carbon using porous activated carbon, and removing objects including soluble organic substances, microorganisms, viruses and a certain amount of heavy metals, and can decolorize, deodorize and purify the air. Activated carbon has carbon lattice with developed pores of different shapes and sizes, and has greatly increased specific surface area and raised adsorption capacity. HEPA (HIGH EFFICIENCY particate AIR FILTER), chinese means a high efficiency air filter, a filter screen meeting HEPA standards, and an effective rate of 99.7% for 0.1 and 0.3 microns, the HEPA screen being characterized by air passing through but fine particles not passing through. It has particle eliminating efficiency below 0.3 micron (1/200 of hair diameter) up to 99.97%, and is the most effective filter medium for fume, dust, bacteria, etc. HEPA is divided into five materials of PP filter paper, glass fiber, composite PP PET filter paper, melt-blown terylene non-woven fabric and melt-blown glass fiber. The characteristics are as follows: the air resistance is large, the dust holding capacity is large, the filtering precision is high, and the air-conditioner can be processed into various sizes and shapes according to the needs, and is suitable for different machine types. Through active carbon layer and HEPA filter layer, but the organic pollutant and the granule that get the air are all purified, promote the purification quality of air.
Further, the dehumidifier 100 is further provided with a water receiving tray (not shown) and a water tank (not shown) communicating with the water receiving tray, and the water receiving tray is arranged corresponding to the first evaporator 10 and the second evaporator 30.
Through setting up the water collector corresponding first evaporimeter 10 and second evaporimeter 30 for this water collector has accepted the comdenstion water that first evaporimeter 10 and second evaporimeter 30 flow down, again with this comdenstion water conservancy diversion to the water tank in, so, makes the condensate water guide to the water tank in better. A liquid level detection device can be arranged in the water tank, the liquid level detection device is connected with a main controller of the dehumidifier 100, and when the liquid level detection device detects that the water level in the water tank reaches a preset threshold value, an alarm signal is transmitted to the main controller, and the main controller sends out a prompt tone or prompt information. Thus, the user can be reminded of whether to lead out the water in the water tank. The water flowing out of the water tank can be guided by two modes: one is to provide a water outlet pipe on which a valve is provided, through which the outflow of water is controlled. Another is to provide a yielding port (not labeled) on the housing of the dehumidifier 100, the yielding port is provided with a movable door, and the water tank is arranged corresponding to the yielding port. The movable door is opened, the water tank is taken out from the abdication port, and then the water is poured out.
Further, a compressor and a water tank may be located below the first evaporator 10, the compressor being disposed opposite the water tank. The compressor is arranged below the first evaporator 10, so that the pipeline can be conveniently communicated, and the water tank and the compressor are both arranged at the lower end of the shell because the water tank and the compressor are heavy components, so that the dehumidifier 100 can be more stably arranged. Meanwhile, the water tank and the compressor are oppositely arranged, so that the arrangement space inside the shell can be saved, and the overall structure layout of the dehumidifier 100 is more compact. To facilitate movement of the dehumidifier 100. Wheels may also be provided at the lower end of the housing.
The dehumidifier 100 may further be provided with an air quality monitoring device (not shown), specifically a particle sensor, a humidity sensor, etc., and the air quality monitoring device is electrically connected with the main control board. Thus, the intelligent detection can be performed on indoor ambient air.
It can be appreciated that the dehumidifier 100 may also be part of a home intelligent internet of things, for example, the dehumidifier 100 is provided with a signal transmission device, the signal transmission device is wirelessly connected with a mobile terminal (such as a smart phone, a tablet computer, etc.), the wireless connection mode may be WiFi, bluetooth, infrared or 4G, through the signal transmission device, the mobile terminal may receive monitoring data and working status of the dehumidifier 100, through the mobile terminal, the working mode of the dehumidifier 100 may be controlled, and meanwhile, the dehumidifier 100 may also form an air quality report, and send to the mobile terminal for a customer to check.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (9)

1. The dehumidifier is characterized by comprising at least two first evaporators, at least two second evaporators, at least one first condenser and a second condenser which are mutually communicated to form a refrigerant circulation loop;
At least two heat development exchangers are arranged between the first condenser and the second condenser, each heat development exchanger is at least provided with a first air duct and a second air duct, and the first air duct and the second air duct are mutually adjacent and are not communicated in the heat development exchanger;
The first air channel comprises a first air inlet and a first air outlet, and the second air channel comprises a second air inlet and a second air outlet; the dehumidifier also comprises at least a first fan and a second fan, wherein one first fan is arranged close to one first condenser, and one second fan is arranged close to the second condenser;
the first evaporator covers a first air inlet of the sensible heat exchanger, the second evaporator covers a second air outlet of the sensible heat exchanger, the other first evaporator covers a first air outlet of the other sensible heat exchanger, and the other second evaporator covers a second air inlet of the other sensible heat exchanger;
a first fan blows out the outside air after passing through the second air duct, the second evaporator and the second condenser in sequence,
The first fan blows out outside air after sequentially passing through the other second evaporator, the other second air duct and the other second condenser;
A second fan blows out the external air through the first evaporator, the first air duct and the first condenser in sequence,
The second fan blows out the external air through the other first air duct, the other first evaporator and the other first condenser in sequence;
Or, a first evaporator covers a first air outlet of a sensible heat exchanger, a second evaporator covers a second air inlet of the sensible heat exchanger, another first evaporator covers a first air inlet of another sensible heat exchanger, and another second evaporator covers a second air outlet of another sensible heat exchanger;
The first fan blows out outside air after sequentially passing through the second evaporator, the second air duct and the first condenser;
the first fan also blows out outside air after sequentially passing through the other second air duct, the other second evaporator and the first condenser;
A second fan blows out the external air through the first air duct, the first evaporator and the second condenser in sequence,
The second fan blows out the external air through the other first evaporator, the other first air duct and the second condenser in sequence;
Wherein, the two heat-displaying exchangers are symmetrically arranged, and the first air outlet of the first air channel of one heat-displaying exchanger is symmetrically arranged with the first air outlet of the first air channel of the other heat-displaying exchanger.
2. The dehumidifier of claim 1, wherein the first fan is disposed between the first condenser and the sensible heat exchanger, and the second fan is disposed between the second condenser and the sensible heat exchanger;
or, the first condenser is arranged between the first fan and the sensible heat exchanger, and the second condenser is arranged between the second fan and the sensible heat exchanger;
Or, the first fan is arranged between the first condenser and the sensible heat exchanger, and the second condenser is arranged between the second fan and the sensible heat exchanger;
Or, the first condenser is arranged between the first fan and the heat development exchanger, and the second fan is arranged between the second condenser and the heat development exchanger.
3. The dehumidifier of claim 2, wherein,
When a first evaporator covers a first air inlet of a sensible heat exchanger, a second evaporator covers a second air outlet of the sensible heat exchanger, and another first evaporator covers a first air outlet of another sensible heat exchanger, and another second evaporator covers a second air inlet of another sensible heat exchanger;
When the first condenser is arranged between the first fan and the heat development exchanger, the dehumidifier comprises at least two first condensers, and one first condenser is arranged adjacent to a second evaporator and is positioned at one side of the second evaporator, which is away from the second air inlet; the other first condenser covers a second air outlet of the other sensible heat exchanger; and/or the number of the groups of groups,
And when the second condenser is arranged between the second fan and the heat development exchanger, the dehumidifier comprises at least two second condensers, one second condenser covers a first air outlet of the heat development exchanger, and the other second condenser is adjacent to the other first evaporator and is positioned at one side of the first evaporator away from the first air inlet.
4. The dehumidifier of claim 2, wherein when a first evaporator covers a first air outlet of a sensible heat exchanger, a second evaporator covers a second air inlet of a sensible heat exchanger, another first evaporator covers a first air inlet of another sensible heat exchanger, and another second evaporator covers a second air outlet of another sensible heat exchanger;
When the first condenser is arranged between the first fan and the heat development exchanger, the dehumidifier comprises at least two first condensers, one first condenser covers a second air outlet of the heat development exchanger, and the other first condenser is adjacent to the other second evaporator and is positioned at one side of the second evaporator away from the second air inlet; and/or the number of the groups of groups,
And when the second condenser is arranged between the second fan and the sensible heat exchanger; the dehumidifier comprises at least two second condensers, wherein one second condenser is arranged adjacent to a first evaporator and is positioned at one side of the first evaporator, which is away from the first air inlet; the other second condenser covers the first air outlet of the other sensible heat exchanger.
5. A dehumidifier as claimed in any one of claims 1 to 3 wherein the dehumidifier is further provided with at least one air supply port, an air supply condenser being provided at one air supply port and being in communication with the refrigerant circulation circuit, the fan being arranged to draw external air from the air supply port and blow it out through the air supply condenser.
6. The dehumidifier of claim 5, wherein the number of said air supply openings is at least two, and said air supply condenser is also at least two, and said air supply openings are disposed opposite each other.
7. The dehumidifier of claim 6, wherein the number of the air supply openings is four, the number of the air supply condensers is also four, two air supply openings are oppositely arranged at two sides of the first fan, and two air supply openings are oppositely arranged at two sides of the second fan.
8. A dehumidifier as claimed in any of claims 1 to 3 wherein the first evaporator, second evaporator, and first and second condensers are fin-tube heat exchangers or microchannel heat exchangers.
9. A dehumidifier as claimed in any of claims 1 to 3 further provided with a water tray and a water tank in communication with the water tray, the water tray being arranged in correspondence with the first and second evaporators.
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