CN107940599B

CN107940599B - Dehumidifier

Info

Publication number: CN107940599B
Application number: CN201711416534.2A
Authority: CN
Inventors: 陈学彬; 程超; 蔡序杰; 岑晓维; 崔振民; 杨健春
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2017-12-22
Filing date: 2017-12-22
Publication date: 2024-03-12
Anticipated expiration: 2037-12-22
Also published as: CN107940599A

Abstract

The invention discloses a dehumidifier, comprising: the shell is provided with three air inlets and one air outlet; a second sensible heat exchanger, a continuous flow fan, a three-evaporator and a three-condenser; a first air path, a second air path and a third air path are formed in the shell, and air flow introduced by the first air inlet is blown out by the air outlet after sequentially passing through the first air inlet, the first air channel, the first air outlet, the first evaporator, the second air inlet, the second air channel, the second air outlet, the first condenser and the cross-flow fan along the first air path; the air flow introduced by the second air inlet is blown out from the air outlet after passing through the third air inlet, the third air duct, the third air outlet, the second evaporator, the second condenser and the cross-flow fan in sequence along the second air path; the air flow introduced by the third air inlet is blown out from the air outlet after passing through the third evaporator, the fourth air inlet, the fourth air channel, the fourth air outlet, the third condenser and the cross-flow fan in sequence along the third air path. The invention can improve the energy efficiency level of the dehumidifier.

Description

Dehumidifier

Technical Field

The invention relates to the technical field of air conditioning, in particular to a dehumidifier.

Background

With the development and progress of technology, the energy efficiency level of household appliances is continuously improved. However, currently, most dehumidifiers on the market have low energy efficiency levels generally, and cannot meet the increasing demands of people on energy efficiency levels.

Disclosure of Invention

The invention mainly aims to provide a dehumidifier which aims to improve the energy efficiency level of the dehumidifier.

In order to achieve the above object, the dehumidifier according to the present invention includes:

the shell comprises a first panel, a second panel, a third panel and a fourth panel which are sequentially connected, wherein a first air inlet is formed in the first panel, a second air inlet and a third air inlet are formed in the third panel, and an air outlet is formed in the fourth panel;

the first heat development device comprises a shell, a first heat development device and a second heat development device, wherein the first heat development device is arranged in the shell and is provided with a first air channel and a second air channel which are staggered and are not communicated with each other, the first air channel is provided with a first air inlet and a first air outlet, the second air channel is provided with a second air inlet and a second air outlet, the first air inlet is communicated with the first air inlet, and the second air inlet is communicated with the first air outlet;

the second heat development device comprises a shell, a first heat development device and a second heat development device, wherein the first heat development device is arranged in the shell, the first heat development device is provided with a first air channel and a second air channel which are staggered and are not communicated with each other, the first air channel is provided with a first air inlet and a first air outlet, the second air channel is provided with a second air inlet and a second air outlet, the third air inlet is communicated with the second air inlet, and the fourth air inlet is communicated with the second air inlet;

The cross flow fan is arranged in the shell, the air inlet side of the cross flow fan is communicated with the second air outlet, the third air outlet and the fourth air outlet, and the air outlet side of the cross flow fan is communicated with the air outlet;

the dehumidifier further comprises a first evaporator, a first condenser, a second evaporator, a second condenser, a third evaporator and a third condenser which are arranged in the shell;

a first air path, a second air path and a third air path are formed in the shell, and air flow introduced by the first air inlet sequentially passes through the first air inlet, the first air duct, the first air outlet, the first evaporator, the second air inlet, the second air duct, the second air outlet, the first condenser and the cross-flow fan along the first air path and then is blown out by the air outlet; the air flow introduced by the second air inlet sequentially passes through the third air inlet, the third air duct, the third air outlet, the second evaporator, the second condenser and the cross-flow fan along the second air path and then is blown out from the air outlet; and the air flow introduced by the third air inlet sequentially passes through the third evaporator, the fourth air inlet, the fourth air duct, the fourth air outlet, the third condenser and the cross flow fan along the third air path and then is blown out by the air outlet.

Optionally, the inner wall surface of the first panel is provided with a first baffle plate in a protruding mode on one side of the first air inlet, the first baffle plate extends towards the first heat development exchanger and abuts against the junction of the first air inlet and the second air outlet of the first heat development exchanger, the inner wall surface of the first panel is provided with a second baffle plate in a protruding mode on the other side of the first air inlet, and the second baffle plate extends towards the first heat development exchanger and abuts against the junction of the first air inlet and the second air inlet of the first heat development exchanger.

Optionally, a third partition plate is convexly arranged on the inner wall surface of the second panel, and extends towards the first sensible heat exchanger and abuts against the junction of the first air outlet and the second air outlet of the first sensible heat exchanger.

Optionally, a fourth air inlet is further formed between the second panel and the second partition plate, a fourth air path is further formed in the housing corresponding to the fourth air inlet, and air flow introduced by the fourth air inlet is blown out from the air outlet after sequentially passing through the first evaporator, the second air inlet, the second air duct, the second air outlet, the first condenser and the cross flow fan along the fourth air path.

Optionally, a wind supplementing opening is further formed between the first panel and the fourth panel, a wind supplementing path is further formed in the shell corresponding to the wind supplementing opening, the dehumidifier further comprises a fourth condenser arranged in the wind supplementing path, and air flow introduced by the wind supplementing opening sequentially passes through the fourth condenser and the through-flow fan and then is blown out by the air outlet along the wind supplementing path.

Optionally, the inner wall surface of the first panel is further provided with a baffle in a protruding manner, the baffle and the first partition are respectively located at two sides of the air supply port, the baffle extends towards the end of the inner side volute of the through-flow fan adjacent to the air inlet side of the through-flow fan and is connected with the end of the inner side volute adjacent to the air inlet side of the inner side volute, and the fourth condenser is clamped between the baffle and the first partition.

Optionally, a fourth baffle is further protruding between the third baffle and the third panel, the fourth baffle extends towards the second heat development exchanger and abuts against the junction of the third air inlet and the fourth air outlet of the second heat development exchanger, a fifth baffle is protruding on the inner wall surface of the third panel, the second air inlet is located between the fifth baffle and the second panel, the third air inlet is located between the fifth baffle and the fourth panel, and the fifth baffle extends towards the second heat development exchanger and abuts against the junction of the third air inlet and the fourth air inlet of the second heat development exchanger.

Optionally, a first baffle is convexly arranged at a junction of the third air inlet and the fourth air outlet of the second sensible heat exchanger towards the first sensible heat exchanger, and the first baffle extends towards the first sensible heat exchanger and abuts against a junction of the first air outlet and the second air outlet of the first sensible heat exchanger.

Optionally, the inner wall surface of the second panel is further provided with a sixth partition board in a protruding mode, the sixth partition board and the fifth partition board are located on two sides of the third air inlet respectively, the sixth partition board extends towards the second heat development exchanger and abuts against the junction of the fourth air inlet and the third air outlet of the second heat development exchanger, and the third evaporator is clamped between the fifth partition board and the sixth partition board.

Optionally, the junction of the fourth air inlet and the third air outlet of the second heat-development device is provided with a seventh partition plate in a protruding way towards the through-flow fan, the junction of the third air outlet and the fourth air outlet of the second heat-development device is provided with an eighth partition plate in a protruding way towards the through-flow fan, the seventh partition plate and the eighth partition plate are oppositely arranged, the second evaporator and the second condenser are both clamped between the seventh partition plate and the eighth partition plate, and the second evaporator and the second condenser are sequentially stacked along the air outlet direction of the third air outlet.

Optionally, a second baffle is further protruding between the sixth baffle and the fourth baffle on the inner wall surface of the third panel, and the second baffle extends towards the end of the outer side volute of the through-flow fan adjacent to the air inlet side of the through-flow fan and is connected with the end of the outer side volute adjacent to the air inlet side of the through-flow fan.

Optionally, the third air inlet is located between the second air inlet and the second panel, a junction of the third air inlet and the fourth air inlet of the second sensible heat exchanger is connected with an inner wall surface of the third panel between the second air inlet and the third air inlet, and a junction of the third air inlet and the fourth air outlet of the second sensible heat exchanger is connected with an inner wall surface of the third panel between the second air inlet and the fourth panel.

Optionally, a fourth partition plate is further protruding between the third partition plate and the inner wall surface of the second panel, and the fourth partition plate extends towards the second heat development exchanger and abuts against the junction of the fourth air inlet and the third air outlet of the second heat development exchanger.

Optionally, a first baffle is convexly arranged at the junction of the fourth air inlet and the third air outlet of the second sensible heat exchanger towards the first sensible heat exchanger, and the first baffle extends towards the first sensible heat exchanger and abuts against the junction of the first air outlet and the second air outlet of the first sensible heat exchanger.

Optionally, the first evaporator is arranged to cover the second air inlet; and/or the first condenser is arranged to cover the second air outlet; and/or the second evaporator is arranged to cover the third air outlet; and/or the third evaporator is arranged to cover the fourth air inlet; and/or the third condenser is arranged to cover the fourth air outlet.

According to the technical scheme, a first panel, a second panel, a third panel and a fourth panel which are sequentially connected are arranged on a shell of the dehumidifier, a first air inlet is formed in the first panel, a second air inlet and a third air inlet are formed in the third panel, and an air outlet is formed in the fourth panel; the first heat-displaying exchanger is arranged in the shell of the dehumidifier, the first air inlet is communicated with the first air inlet, the second air inlet is communicated with the first air outlet, the second heat-displaying exchanger is arranged in the shell of the dehumidifier, the third air inlet is communicated with the second air inlet, and the fourth air inlet is communicated with the third air inlet; meanwhile, a cross-flow fan is arranged in a shell of the dehumidifier, the air inlet side of the cross-flow fan is communicated with the second air outlet of the first heat development exchanger, the third air outlet and the fourth air outlet of the second heat development exchanger, and the air outlet side of the cross-flow fan is communicated with the air outlet; and a first evaporator and a first condenser are arranged at corresponding positions in the first air passage in the shell, a second evaporator and a second condenser are arranged at corresponding positions in the second air passage in the shell, and a third evaporator and a third condenser are arranged at corresponding positions in the third air passage in the shell. When the cross-flow fan works, air flow introduced by the first air inlet sequentially passes through the first air inlet, the first air channel, the first air outlet, the first evaporator, the second air inlet, the second air channel, the second air outlet, the first condenser and the cross-flow fan along the first air channel and then is blown out by the air outlet; the air flow introduced by the second air inlet sequentially passes through the third air inlet, the third air duct, the third air outlet, the second evaporator, the second condenser and the cross-flow fan along the second air path and then is blown out by the air outlet; the air flow introduced by the third air inlet sequentially passes through the third evaporator, the fourth air inlet, the fourth air channel, the fourth air outlet, the third condenser and the cross-flow fan along the third air path and is blown out by the air outlet. In the process, the low-temperature air flow fully cooled in the second air channel of the first sensible heat exchanger can be precooled through the heat conducting baffle plate of the first sensible heat exchanger, so that the temperature of the normal-temperature air flow is reduced, the humidity of the normal-temperature air flow is improved, and the dehumidification efficiency of the first evaporator is improved. And the low-temperature air flow which is fully cooled in the fourth air channel of the second heat development exchanger can be precooled through the heat conduction baffle plate of the second heat development exchanger, so that the temperature of the normal-temperature air flow is reduced, the humidity of the normal-temperature air flow is improved, and the dehumidification efficiency of the second evaporator is improved.

In summary, the technical scheme of the invention is that the first sensible heat exchanger and the second sensible heat exchanger are arranged in the dehumidifier shell, and the sensible heat exchanger is used for recycling residual cold generated in the dehumidification process of the dehumidifier through reasonable structure and flow path design, and the residual cold is utilized for precooling the air flow for cooling and dehumidifying the evaporator, so that the humidity of the air flow for cooling and dehumidifying the evaporator is effectively improved, the dehumidification efficiency of the evaporator is improved, the power and energy consumption of the whole dehumidifier are reduced, and the energy efficiency level of the dehumidifier is further effectively improved, and the energy is saved. And compared with the air intake of a single air inlet, the design of the three air inlets also effectively increases the dehumidifying air intake area, improves the dehumidifying air quantity under the same rotating speed of the fan, thereby reducing the power consumption under the same dehumidifying air quantity, improving the heat exchange efficiency of each heat exchanger, reducing the power and the energy consumption of the whole machine, and further improving the energy efficiency level of the dehumidifier.

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 first air path, a fourth air path, and a supplemental air path of the dehumidifier of FIG. 1;

FIG. 3 is a schematic view of a second air path and a third air path of the dehumidifier of FIG. 1;

fig. 4 is a schematic structural view of a dehumidifier according to a second embodiment 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.

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 the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

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.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

The present invention proposes a dehumidifier 100.

Referring to fig. 1 to 3, in a first embodiment of the dehumidifier 100 of the present invention, the dehumidifier 100 comprises:

the casing 10, the casing 10 includes the first panel 11, the second panel 13, the third panel 15, and the fourth panel 17 that connect gradually, first air intake 111 has been seted up on the first panel 11, second air intake 151 and third air intake 153 have been seted up on the third panel 15, air outlet 171 has been seted up on the fourth panel 17. The first panel 11, the second panel 13, the third panel 15, and the fourth panel 17 are all vertically disposed and connected in sequence, and a vertical side edge of the fourth panel 17 not connected to the third panel 15 is connected to a vertical side edge of the first panel 11 not connected to the second panel 13. At this time, the first panel 11, the second panel 13, the third panel 15, and the fourth panel 17 are collectively enclosed to form a prismatic tubular structure (i.e., a peripheral wall of the casing 10), and the tubular structure may be provided with components such as the cross flow fan 20, the sensible heat exchanger, the evaporator, the condenser, and the compressor of the dehumidifier 100. Specifically, the first panel 11 is disposed opposite to the third panel 15, and the second panel 13 is disposed opposite to the fourth panel 17. The first air inlet 111 is located at a middle position of the first panel 11, the second air inlet 151 is located between the third air inlet 153 and the second panel 13, and the air outlet 171 is located at a middle position of the fourth panel 17.

The first sensible heat exchanger 30 is disposed in the housing 10, the first sensible heat exchanger 30 has a first air duct 31 and a second air duct 33 that are staggered and non-conductive, the first air duct 31 has a first air inlet 311 and a first air outlet 313, the second air duct 33 has a second air inlet 331 and a second air outlet 333, the first air inlet 311 is communicated with the first air inlet 111, and the second air inlet 331 is communicated with the first air outlet 313.

The second sensible heat exchanger 40 is disposed in the housing 10, the second sensible heat exchanger 40 has a third air duct 41 and a fourth air duct 43 that are staggered and non-conductive, the third air duct 41 has a third air inlet 411 and a third air outlet 413, the fourth air duct 43 has a fourth air inlet 431 and a fourth air outlet 433, the third air inlet 411 is communicated with the second air inlet 151, and the fourth air inlet 431 is communicated with the third air inlet 153.

The cross flow fan 20 is disposed in the housing 10, the air inlet side of the cross flow fan 20 is communicated with the second air outlet 333, the third air outlet 413, and the fourth air outlet 433, and the air outlet side of the cross flow fan 20 is communicated with the air outlet 171. Specifically, the cross flow fan 20 includes a volute 21, an impeller 23 disposed in the volute 21, and a motor (not shown) for driving the impeller 23 to rotate, the volute 21 has an air inlet side and an air outlet side, the air inlet side of the volute 21 is disposed facing the first sensible heat exchanger 30 and the second sensible heat exchanger 40 and is communicated with the second air outlet 333 of the first sensible heat exchanger 30, is communicated with the third air outlet 413 and the fourth air outlet 433 of the second sensible heat exchanger 40, and the air outlet side of the volute 21 is disposed facing the fourth panel 17 and is communicated with the air outlet 171 of the fourth panel 17. In addition, the impeller 23 extends along the height direction of the casing 10, at this time, the first air inlet 111, the second air inlet 151, the third air inlet 153, and the air outlet 171 also extend along the height direction of the casing 10, and the heights of the first air inlet, the second air inlet 151, the third air inlet 153, and the air outlet 171 are equal to the height of the impeller 23, so as to complete the adaptation with the cross-flow fan 20, and improve the air volume of the dehumidifier 100.

The dehumidifier 100 further includes a first evaporator 50a, a first condenser 50b, a second evaporator 60a, a second condenser 60b, a third evaporator 70a, and a third condenser 70b disposed in the housing 10. Specifically, the first evaporator 50a is disposed adjacent to the first sensible heat exchanger 30 and corresponds to the second air inlet 331 of the second air duct 33 of the first sensible heat exchanger 30, and the first condenser 50b is disposed adjacent to the first sensible heat exchanger 30 and corresponds to the second air outlet 333 of the second air duct 33 of the first sensible heat exchanger 30; the second evaporator 60a is adjacent to the second sensible heat exchanger 40 and corresponds to the third air outlet 413 of the third air duct 41 of the second sensible heat exchanger 40, the second condenser 60b is adjacent to the second evaporator 60a, and the second evaporator 60a and the second condenser 60b are sequentially stacked along the air outlet direction of the third air outlet 413; the third evaporator 70a is disposed adjacent to the second sensible heat exchanger 40 and corresponds to the fourth air inlet 431 of the fourth air duct 43 of the second sensible heat exchanger 40, and the third condenser 70b is disposed adjacent to the second sensible heat exchanger 40 and corresponds to the fourth air outlet 433 of the fourth air duct 43 of the second sensible heat exchanger 40.

At this time, a first air path 10a, a second air path 10b, and a third air path 10c are formed in the casing 10, and the air flow introduced from the first air inlet 111 passes through the first air inlet 311, the first air duct 31, the first air outlet 313, the first evaporator 50a, the second air inlet 331, the second air duct 33, the second air outlet 333, the first condenser 50b, and the cross flow fan 20 in this order along the first air path 10a, and is blown out through the air outlet 171; the air flow introduced from the second air inlet 151 passes through the third air inlet 411, the third air duct 41, the third air outlet 413, the second evaporator 60a, the second condenser 60b, and the cross-flow fan 20 in sequence along the second air path 10b, and then is blown out from the air outlet 171; the air flow introduced from the third air inlet 153 passes through the third evaporator 70a, the fourth air inlet 431, the fourth air duct 43, the fourth air outlet 433, the third condenser 70b, and the cross-flow fan 20 in order along the third air path 10c, and is blown out from the air outlet 171.

Thus, when the cross-flow fan 20 works, the air flow introduced from the first air inlet 111 flows along the first air path 10a, and can enter the first air duct 31 of the first sensible heat exchanger 30 through the first air inlet 311 for circulation, then flows out of the first sensible heat exchanger 30 through the first air outlet 313, flows to the first evaporator 50a at the second air inlet 331 of the first sensible heat exchanger 30 under the guiding action of the corresponding structure and the inner wall surface of the shell 10, and passes through the first evaporator 50a to complete the cooling and dehumidifying process, and then enters the second air duct 33 of the first sensible heat exchanger 30 through the second air inlet 331 for circulation, at this time, the part of the low-temperature air flow which has been sufficiently cooled in the second air duct 33 can be precooled by the heat conducting partition plate of the first sensible heat exchanger 30 into the first air duct 31 of the first sensible heat exchanger 30 through the first air inlet 111 to reduce the temperature and improve the humidity thereof, thereby improving the dehumidifying efficiency of the first evaporator 50 a. Then, the low-temperature air flow in the second air duct 33, which has been sufficiently cooled, flows out of the first sensible heat exchanger 30 through the second air outlet 333, passes through the first condenser 50b to complete the temperature rising process, and finally passes through the cross flow fan 20 to be blown out through the air outlet 171.

The air flow introduced from the third air inlet 153 flows along the third air path 10c, and can pass through the third evaporator 70a to complete the cooling and dehumidifying process, and then enters the fourth air duct 43 of the second sensible heat exchanger 40 through the fourth air inlet 431 to circulate, at this time, the part of the low-temperature air flow which is fully cooled in the fourth air duct 43 can be precooled through the heat conducting partition board of the second sensible heat exchanger 40 to the normal-temperature air flow which is introduced from the second air inlet 151 and enters the third air duct 41 of the second sensible heat exchanger 40 through the third air inlet 411, so as to reduce the temperature and improve the humidity of the air flow, thereby improving the dehumidifying efficiency of the second evaporator 60 a. After that, the low-temperature air flow, which has been sufficiently cooled in the fourth air duct 43, flows out of the second sensible heat exchanger 40 through the fourth air outlet 433 and passes through the third condenser 70b to complete the temperature rising process. Finally, the air is blown out through the air outlet 171 via the cross flow fan 20.

The air flow introduced from the second air inlet 151 flows along the second air path 10b, and can enter the third air duct 41 of the second sensible heat exchanger 40 through the third air inlet 411 to circulate, at this time, the portion of the normal-temperature air flow in the third air duct 41 contacts with the heat-conducting partition plate of the second sensible heat exchanger 40 to be precooled, so that the temperature of the air flow is reduced, the humidity of the air flow is improved, and the dehumidification efficiency of the second evaporator 60a is improved. Then, the air flow in the third air duct 41, which has been fully pre-cooled, flows out of the second sensible heat exchanger 40 through the third air outlet 413, passes through the second evaporator 60a to complete the cooling and dehumidifying process, and passes through the second condenser 60b to complete the temperature raising process. Finally, the air is blown out through the air outlet 171 via the cross flow fan 20.

According to the technical scheme of the invention, a first panel 11, a second panel 13, a third panel 15 and a fourth panel 17 which are sequentially connected are arranged on a shell 10 of a dehumidifier 100, a first air inlet 111 is formed in the first panel 11, a second air inlet 151 and a third air inlet 153 are formed in the third panel 15, and an air outlet 171 is formed in the fourth panel 17; the first sensible heat exchanger 30 is disposed in the housing 10 of the dehumidifier 100, the first air inlet 311 is communicated with the first air inlet 111, the second air inlet 331 is communicated with the first air outlet 313, the second sensible heat exchanger 40 is disposed in the housing 10 of the dehumidifier 100, the third air inlet 411 is communicated with the second air inlet 151, and the fourth air inlet 431 is communicated with the third air inlet 153; meanwhile, a cross-flow fan 20 is arranged in the shell 10 of the dehumidifier 100, the air inlet side of the cross-flow fan is communicated with the second air outlet 333 of the first sensible heat exchanger 30, the third air outlet 413 and the fourth air outlet 433 of the second sensible heat exchanger 40, and the air outlet side of the cross-flow fan is communicated with the air outlet 171; the first evaporator 50a and the first condenser 50b are disposed in the first air path 10a of the casing 10, the second evaporator 60a and the second condenser 60b are disposed in the second air path 10b of the casing 10, and the third evaporator 70a and the third condenser 70b are disposed in the third air path 10c of the casing 10. Thus, when the cross-flow fan 20 is operated, the air flow introduced from the first air inlet 111 sequentially passes through the first air inlet 311, the first air duct 31, the first air outlet 313, the first evaporator 50a, the second air inlet 331, the second air duct 33, the second air outlet 333, the first condenser 50b, and the cross-flow fan 20 along the first air path 10a, and is blown out from the air outlet 171; the air flow introduced from the second air inlet 151 passes through the third air inlet 411, the third air duct 41, the third air outlet 413, the second evaporator 60a, the second condenser 60b, and the cross-flow fan 20 in sequence along the second air path 10b, and is blown out from the air outlet 171; the air flow introduced from the third air inlet 153 passes through the third evaporator 70a, the fourth air inlet 431, the fourth air duct 43, the fourth air outlet 433, the third condenser 70b, and the cross flow fan 20 in this order along the third air path 10c, and is blown out through the air outlet 171. In this process, the low-temperature air flow fully cooled in the second air duct 33 of the first sensible heat exchanger 30 may be pre-cooled by the heat-conducting partition plate of the first sensible heat exchanger 30, so as to reduce the temperature and increase the humidity of the normal-temperature air flow introduced from the first air inlet 111 and entering the first air duct 31 of the first sensible heat exchanger 30 through the first air inlet 311, thereby improving the dehumidification efficiency of the first evaporator 50 a. And, the low temperature air flow which has been sufficiently cooled in the fourth air duct 43 of the second sensible heat exchanger 40 may pre-cool the normal temperature air flow which is introduced from the second air inlet 151 and enters the third air duct 41 of the second sensible heat exchanger 40 through the third air inlet 411 by the heat conductive partition plate of the second sensible heat exchanger 40 to reduce the temperature thereof and increase the humidity thereof, thereby improving the dehumidifying efficiency of the second evaporator 60 a.

In summary, according to the technical scheme of the invention, the first sensible heat exchanger 30 and the second sensible heat exchanger 40 are arranged in the shell 10 of the dehumidifier 100, and through reasonable structure and flow path design, the sensible heat exchanger can be effectively utilized to recycle the residual cold generated in the dehumidification process of the dehumidifier 100, and the residual cold is utilized to precool the air flow for cooling and dehumidifying the evaporator, so that the humidity of the air flow for cooling and dehumidifying the evaporator is effectively improved, the dehumidification efficiency of the evaporator is improved, the power and energy consumption of the whole dehumidifier 100 are reduced, and the energy efficiency level of the dehumidifier 100 is further effectively improved, and the energy is saved. And, compare in single air intake air inlet, this design of three air intakes air inlet has still effectively increased dehumidification air inlet area, has improved the dehumidification amount of wind under the same rotational speed of fan to reduced the power consumption under the same dehumidification amount of wind, promoted the heat exchange efficiency of each heat exchanger, reduced complete machine power and energy consumption, and then further promoted the energy efficiency level of dehumidifier 100.

In addition, according to the technical scheme of the invention, the two sensible heat exchangers in the dehumidifier 100 are tightly matched with related structures, so that the internal structure of the dehumidifier 100 is compact, the whole size of the dehumidifier 100 is reduced, the use is more convenient, the manufacturing cost is reduced, the user is more convenient to accept, meanwhile, the wind resistance in the dehumidifier 100 can be reduced, the wind quantity is increased, and the surging phenomenon of the air outlet 171 is effectively avoided or weakened.

As shown in fig. 1 and 2, a first partition 114 is protruding from one side of the first air inlet 111 on the inner wall surface of the first panel 11, the first partition 114 extends toward the first sensible heat exchanger 30 and abuts against a junction between the first air inlet 311 and the second air outlet 333 of the first sensible heat exchanger 30, a second partition 115 is protruding from the other side of the first air inlet 111 on the inner wall surface of the first panel 11, and the second partition 115 extends toward the first sensible heat exchanger 30 and abuts against a junction between the first air inlet 311 and the second air inlet 331 of the first sensible heat exchanger 30.

In this embodiment, a flow channel may be formed between the first partition 114 and the second partition 115, and one end of the flow channel is connected to the first air inlet 111, and the other end is connected to the first air inlet 311. The flow channel can guide the air flow introduced from the first air inlet 111, so that the air flow can smoothly enter the first air duct 31 of the first sensible heat exchanger 30. Thus, the wind resistance is effectively reduced, the air quantity is improved, and the dehumidification efficiency of the first evaporator 50a and the heating efficiency of the first condenser 50b are effectively improved, namely, the heat exchange efficiency of the heat exchanger in the dehumidifier 100 is effectively improved, the energy consumption is reduced, and the dehumidification efficiency and the energy efficiency level of the dehumidifier 100 are improved.

Further, a third partition plate 131 is protruding from the inner wall surface of the second panel 13, and the third partition plate 131 extends toward the first sensible heat exchanger 30 and abuts against a junction between the first air outlet 313 and the second air outlet 333 of the first sensible heat exchanger 30.

In this embodiment, the surface of the third partition plate 131 facing the first panel 11, the inner wall surface of the second panel 13 between the third partition plate 131 and the first panel 11, and the inner wall surface of the first panel 11 between the first partition plate 114 and the second panel 13 can jointly play a guiding role, so that the air flow flowing out of the first sensible heat exchanger 30 from the first air outlet 313 can smoothly flow to the first evaporator 50a, and enter the second air duct 33 of the first sensible heat exchanger 30 from the second air inlet 331 through the first evaporator 50a, thereby further reducing wind resistance, improving air quantity, ensuring effective recycling and utilization of residual cold of the first sensible heat exchanger 30, and further improving the energy efficiency level of the whole machine.

As shown in fig. 1 and 2, a fourth air inlet 112 is further formed in the first panel 11 between the second panel 13 and the second partition 115, a fourth air path 10d is further formed in the housing 10 corresponding to the fourth air inlet 112, and the air flow introduced by the fourth air inlet 112 sequentially passes through the first evaporator 50a, the second air inlet 331, the second air duct 33, the second air outlet 333, the first condenser 50b, and the cross-flow fan 20 along the fourth air path 10d, and then is blown out by the air outlet 171.

In this embodiment, when the cross-flow fan 20 is in operation, the air flow introduced from the fourth air inlet 112 can be converged with the air flow flowing out of the first sensible heat exchanger 30 from the first air outlet 313 along the fourth air path 10d, and at this time, the air flow flowing out of the first sensible heat exchanger 30 from the first air outlet 313 can be precooled due to the precooling in the first air duct 31, and the air flow introduced from the fourth air inlet 112 can raise the humidity of the air flow flowing out of the first sensible heat exchanger 30 from the first air outlet 313. Then, the mixed air flows to the first evaporator 50a at the second air inlet 331 of the first sensible heat exchanger 30, passes through the first evaporator 50a to complete the cooling and dehumidifying process, and then enters the second air duct 33 of the first sensible heat exchanger 30 through the second air inlet 331 to circulate, at this time, the part of the low-temperature air which has been sufficiently cooled may be pre-cooled by the heat-conducting partition plate of the first sensible heat exchanger 30, so as to reduce the temperature and improve the humidity of the normal-temperature air which is introduced from the first air inlet 111 and enters the first air duct 31 of the first sensible heat exchanger 30 through the first air inlet 311, thereby improving the dehumidifying efficiency of the first evaporator 50 a. Then, the low-temperature air flow which has been sufficiently cooled in this part flows out of the first sensible heat exchanger 30 through the second air outlet 333, passes through the first condenser 50b to complete the temperature raising process, and finally passes through the cross flow fan 20 to be blown out through the air outlet 171.

It can be appreciated that in the converging process of the two air flows, whether the humidity is improved or the precooling process is performed, the heat exchange efficiency of the heat exchanger inside the dehumidifier 100 can be effectively improved, and the power and the energy consumption of the whole dehumidifier 100 can be reduced, so that the dehumidification efficiency and the energy efficiency level of the dehumidifier 100 can be effectively improved. In addition, the addition of the fourth air inlet 112 can effectively increase the dehumidifying air inlet area of the dehumidifier 100, and improve the dehumidifying air quantity under the same rotating speed of the blower, so as to further reduce the power consumption under the same dehumidifying air quantity, reduce the power and energy consumption of the whole dehumidifier, and further improve the energy efficiency level of the dehumidifier 100.

As shown in fig. 1 and 2, the first panel 11 further has an air supply port 113 between the first partition 114 and the fourth panel 17, an air supply path 10e is further formed in the housing 10 corresponding to the air supply port 113, the dehumidifier 100 further includes a fourth condenser 80b disposed in the air supply path 10e, and the air flow introduced by the air supply port 113 sequentially passes through the fourth condenser 80b and the cross-flow fan 20 along the air supply path 10e and is blown out by the air outlet 171.

In this embodiment, when the cross flow fan 20 is in operation, the air flow introduced from the air supply port 113 may pass through the fourth condenser 80b along the air supply path 10e to complete the heating process, then be converged with the air flow in the other air paths, and then be blown out through the air outlet 171 by the cross flow fan 20.

The air supply port 113 and the fourth condenser 80b corresponding thereto are provided: on one hand, the area of the condenser inside the dehumidifier 100 can be effectively increased, and the heat exchange efficiency (cooling efficiency) of the refrigerant in the condenser can be effectively improved, so that the low-temperature refrigerant can be more favorably obtained, the heat exchange efficiency (heating efficiency) of the refrigerant in the evaporator can be effectively improved, the power and the energy consumption of the whole dehumidifier 100 can be reduced, and finally the energy efficiency level of the dehumidifier 100 can be further improved; on the other hand, the air flow temperature passing through the fourth condenser 80b is higher than the air flow temperature in other air paths, and after the air flows are converged, the air outlet temperature of the dehumidifier 100 can be increased, so that the air outlet temperature of the dehumidifier 100 is closer to the room temperature, and the use comfort of a user is ensured. In addition, the air inlet area of the dehumidifier 100 can be increased, the air quantity is increased, and the surging of the air outlet 171 can be effectively avoided or reduced.

Further, the inner wall surface of the first panel 11 is further provided with a baffle 116 in a protruding manner, the baffle 116 and the first partition 114 are respectively located at two sides of the air compensating opening 113, the baffle 116 extends toward an end of the inner volute of the through-flow fan 20 adjacent to the air inlet side thereof and is connected with an end of the inner volute adjacent to the air inlet side thereof, and the fourth condenser 80b is sandwiched between the baffle 116 and the first partition 114.

The end of the baffle 116 far from the first panel 11 may be directly abutted against the end of the inner volute of the cross-flow fan 20 near the air inlet side, or may be connected by a connection plate.

In this embodiment, the baffle 116 is vertically disposed, and an end of the baffle 116 facing the first panel 11 is connected to the first panel 11, and an end of the baffle 116 far from the first panel 11 is connected to an end of the inner volute of the cross-flow fan 20 adjacent to the air inlet side thereof. It can be appreciated that the air guide plate 116 can guide the air flow introduced by the air supply port 113, so as to reduce wind resistance and improve air quantity, thereby further improving heat exchange efficiency of the heat exchanger inside the dehumidifier 100 and energy efficiency level of the whole dehumidifier. In addition, the guide plate 116 and the first partition plate 114 are utilized to fix the fourth condenser 80b, so that the setting stability of the fourth condenser 80b can be effectively improved, and the working capacity of the fourth condenser is ensured. Meanwhile, the air flow between the guide plate 116 and the first partition 114 can completely pass through the fourth condenser 80b and fully contact and exchange heat with the fourth condenser 80b, so that the heat exchange efficiency of the fourth condenser 80b is improved, the energy consumption of the whole dehumidifier is reduced, and the energy efficiency level of the dehumidifier 100 is improved.

As shown in fig. 1 and 3, a fourth partition 133 is further protruding from the inner wall surface of the second panel 13 between the third partition 131 and the third panel 15, the fourth partition 133 extends toward the second sensible heat exchanger 40 and abuts against a junction between the third air inlet 411 and the fourth air outlet 433 of the second sensible heat exchanger 40, a fifth partition 155 is protruding from the inner wall surface of the third panel 15, the second air inlet 151 is located between the fifth partition 155 and the second panel 13, the third air inlet 153 is located between the fifth partition 155 and the fourth panel 17, and the fifth partition 155 extends toward the second sensible heat exchanger 40 and abuts against a junction between the third air inlet 411 and the fourth air inlet 431 of the second sensible heat exchanger 40.

In this embodiment, a flow channel may be formed between the fourth partition 133 and the fifth partition 155, and one end of the flow channel is connected to the second air inlet 151, and the other end is connected to the third air inlet 411. The flow channel can guide the air flow introduced from the second air inlet 151, so that the air flow can smoothly enter the third air duct 41 of the second sensible heat exchanger 40 through the third air inlet 411. In this way, the wind resistance is effectively reduced, and the air quantity is improved, so that on one hand, the dehumidification efficiency of the second evaporator 60a and the heating efficiency of the second condenser 60b are effectively improved, namely, the heat exchange efficiency of a heat exchanger in the dehumidifier 100 is effectively improved, the energy consumption of the whole dehumidifier 100 is reduced, and the dehumidification efficiency and the energy efficiency level of the dehumidifier 100 are improved; on the other hand, the heat exchange efficiency (heat absorption efficiency) of the heat conduction partition plate of the second sensible heat exchanger 40 is further improved, the effective utilization of the recovered residual cold by the second sensible heat exchanger 40 is guaranteed, the dehumidification efficiency of the evaporator is further improved, the power consumption of the whole machine is reduced, and the energy efficiency level of the whole machine is improved.

Further, a sixth partition 157 is further protruding from the inner wall surface of the second panel 13, the sixth partition 157 and the fifth partition 155 are respectively located at two sides of the third air inlet 153, the sixth partition 157 extends toward the second sensible heat exchanger 40 and abuts against a junction between the fourth air inlet 431 and the third air outlet 413 of the second sensible heat exchanger 40, and the third evaporator 70a is sandwiched between the fifth partition 155 and the sixth partition 157.

In this embodiment, a flow channel may be formed between the fifth partition 155 and the sixth partition 157, and one end of the flow channel is connected to the third air inlet 153, and the other end is connected to the fourth air inlet 431. The flow passage guides the air flow introduced from the third air inlet 153 to pass through the third evaporator 70a smoothly and enter the fourth air duct 43 of the second sensible heat exchanger 40 through the fourth air inlet 431. In this way, the wind resistance is effectively reduced, and the air quantity is improved, so that on one hand, the dehumidification efficiency of the third evaporator 70a and the heating efficiency of the third condenser 70b are effectively improved, namely, the heat exchange efficiency of a heat exchanger in the dehumidifier 100 is effectively improved, the energy consumption of the whole dehumidifier is reduced, and the dehumidification efficiency and the energy efficiency level of the dehumidifier 100 are improved; on the other hand, the heat exchange efficiency (heat release efficiency) of the heat conduction partition plate of the second sensible heat exchanger 40 is also improved, and the effective recovery of residual cold by the second sensible heat exchanger 40 is ensured.

Further, a first baffle 135 is protruding towards the first sensible heat exchanger 30 at the junction of the third air inlet 411 and the fourth air outlet 433 of the second sensible heat exchanger 40, and the first baffle 135 extends towards the first sensible heat exchanger 30 and abuts against the junction of the first air outlet 313 and the second air outlet 333 of the first sensible heat exchanger 30.

In this embodiment, the first baffle 135 is vertically disposed, one end of the first baffle 135 facing the second sensible heat exchanger 40 is abutted against the junction of the third air inlet 411 and the fourth air outlet 433 of the second sensible heat exchanger 40, and one end of the first baffle 135 facing the first sensible heat exchanger 30 is abutted against the junction of the first air outlet 313 and the second air outlet 333 of the first sensible heat exchanger 30. In this way, the air flow can be effectively prevented from entering between the third partition plate 131 and the fourth partition plate 133, and the loss of air quantity is avoided, so that the wind resistance is further reduced, and the air quantity is improved.

As shown in fig. 1 and 2, a seventh partition 45 is protruding towards the through-flow fan 20 at a junction between the fourth air inlet 431 and the third air outlet 413 of the second sensible heat exchanger 40, an eighth partition 47 is protruding towards the through-flow fan 20 at a junction between the third air outlet 413 and the fourth air outlet 433 of the second sensible heat exchanger 40, the seventh partition 45 and the eighth partition 47 are oppositely disposed, the second evaporator 60a and the second condenser 60b are respectively sandwiched between the seventh partition 45 and the eighth partition 47, and the second evaporator 60a and the second condenser 60b are sequentially stacked along an air outlet direction of the third air outlet 413.

In this embodiment, a flow passage may be formed between the seventh partition 45 and the eighth partition 47, and one end of the flow passage is communicated with the third air outlet 413, and the other end of the flow passage is disposed toward the air inlet side of the cross flow fan 20. The flow passage guides the air flow flowing out of the second sensible heat exchanger 40 through the third air outlet 413, so that the air flow smoothly passes through the second evaporator 60a and the second condenser 60b and enters the cross flow fan 20 through the air inlet side of the cross flow fan 20. In this way, the air flow flowing out of the second sensible heat exchanger 40 from the third air outlet 413 can completely pass through the second evaporator 60a and the second condenser 60b, so that the dehumidification efficiency of the second evaporator 60a and the heating efficiency of the second condenser 60b are effectively improved, that is, the heat exchange efficiency of the heat exchanger in the dehumidifier 100 is effectively improved, the energy consumption of the whole machine is reduced, and the dehumidification efficiency and the energy efficiency level of the dehumidifier 100 are improved. In addition, the seventh partition 45 and the eighth partition 47 are used for fixing the second evaporator 60a and the second condenser 60b, so that the setting stability of the second evaporator 60a and the second condenser 60b can be effectively improved, and the working capacity of the second evaporator and the second condenser is ensured.

As shown in fig. 1, the first evaporator 50a is disposed over the second air inlet 331, the first condenser 50b is disposed over the second air outlet 333, the second evaporator 60a is disposed over the third air outlet 413, the third evaporator 70a is disposed over the fourth air inlet 431, and the third condenser 70b is disposed over the fourth air outlet 433.

It will be appreciated that such an arrangement may allow the airflow to be substantially contacted and heat exchanged (i.e., substantially dehumidified or substantially heated) with the corresponding evaporator or condenser as it passes through the respective evaporator and condenser, thereby effectively improving the heat exchange efficiency of the respective evaporator and condenser, reducing the overall energy consumption, and further improving the energy efficiency level of the dehumidifier 100.

As shown in fig. 1, a second baffle 159 is further disposed between the sixth partition 157 and the fourth panel 17 on the inner wall surface of the third panel 15, and the second baffle 159 extends toward the end of the outer volute of the through-flow fan 20 adjacent to the air intake side thereof and is connected to the end of the outer volute adjacent to the air intake side thereof.

The end of the second baffle 159 away from the third panel 15 may be directly abutted against the end of the outer volute of the cross-flow fan 20 adjacent to the air inlet side thereof, or may be connected by a connection plate.

In this embodiment, the second baffle 159 is vertically disposed, and an end of the second baffle 159 facing the third panel 15 is connected to the third panel 15, and an end of the second baffle 159 away from the third panel 15 is connected to an end of the outer volute of the cross-flow fan 20 adjacent to the air intake side thereof. Therefore, air flow can be effectively prevented from entering between the outer side volute of the cross-flow fan 20 and the third panel 15, and loss of air quantity is avoided, so that wind resistance is further reduced, and air quantity is improved.

In addition, as shown in fig. 1 to 3, the first air inlet 111, the fourth air inlet 112, and the air compensating opening 113 are located on the same side, and all face the air inlet side of the cross flow fan 20; the second air inlet 151 and the third air inlet 153 are located on the same side, and the air inlet side of the cross flow fan 20 is opposite to the air inlet side. Thus, uniform air intake in the circumferential direction of the dehumidifier 100 can be realized, so that the heat exchange efficiency of the dehumidifier 100 is further improved, and the energy level of the whole dehumidifier is further improved.

In addition, in order to reduce the connection and bending difficulty of each heat exchanger and save the cost, each evaporator is arranged as adjacent as possible, and each condenser is also arranged as adjacent as possible. In addition, according to the actual requirement, the second panel 13 is at a reasonable position between the third partition 131 and the first panel 11, and/or the second panel 13 is at a reasonable position between the fourth partition 133 and the third panel 15, and an air inlet or an air supply port can be further formed to reduce power and improve the energy efficiency ratio.

Referring to FIG. 4, a dehumidifier 100 according to a second embodiment of the present invention is shown.

In this embodiment, the third air inlet 153 is located between the second air inlet 151 and the second panel 13, the junction of the third air inlet 411 and the fourth air inlet 431 of the second sensible heat exchanger 40 is connected with the inner wall surface of the third panel 15 between the second air inlet 151 and the third air inlet 153, and the junction of the third air inlet 411 and the fourth air outlet 433 of the second sensible heat exchanger 40 is connected with the inner wall surface of the third panel 15 between the second air inlet 151 and the fourth panel 17.

A fourth partition plate 133 is further provided between the third partition plate 131 and the third partition plate 15 on the inner wall surface of the second panel 13, and the fourth partition plate 133 extends toward the second sensible heat exchanger 40 and abuts against the junction between the fourth air inlet 431 and the third air outlet 413 of the second sensible heat exchanger 40.

The junction between the fourth air inlet 431 and the third air outlet 413 of the second sensible heat exchanger 40 is protruded with the first baffle 135 toward the first sensible heat exchanger 30, and the first baffle 135 extends toward the first sensible heat exchanger 30 and abuts against the junction between the first air outlet 313 and the second air outlet 333 of the first sensible heat exchanger 30.

The first baffle 135 is vertically disposed, one end of the first baffle 135 facing the second sensible heat exchanger 40 is abutted against the junction of the fourth air inlet 431 and the third air outlet 413 of the second sensible heat exchanger 40, and one end of the first baffle 135 facing the first sensible heat exchanger 30 is abutted against the junction of the first air outlet 313 and the second air outlet 333 of the first sensible heat exchanger 30.

It should be noted that, in the present embodiment, two sensible heat exchangers (the first sensible heat exchanger 30 and the second sensible heat exchanger 40) are also disposed in the housing 10 of the dehumidifier 100, wherein the relevant parts of the first sensible heat exchanger 30 are the same as those of the first embodiment, and are not described in detail herein; the relative positions of the second air inlet 151 and the third air inlet 153 in the relevant portion of the second sensible heat exchanger 40 are different from those of the first embodiment, but the other structures are only adaptively adjusted, and the principle and beneficial effects thereof are still the same as those of the relevant portion of the first embodiment, and are not described in detail herein.

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

1. A dehumidifier, comprising:

a first air path, a second air path and a third air path are formed in the shell, and air flow introduced by the first air inlet sequentially passes through the first air inlet, the first air duct, the first air outlet, the first evaporator, the second air inlet, the second air duct, the second air outlet, the first condenser and the cross-flow fan along the first air path and then is blown out by the air outlet; the air flow introduced by the second air inlet sequentially passes through the third air inlet, the third air duct, the third air outlet, the second evaporator, the second condenser and the cross-flow fan along the second air path and then is blown out from the air outlet; the air flow introduced by the third air inlet sequentially passes through the third evaporator, the fourth air inlet, the fourth air duct, the fourth air outlet, the third condenser and the cross-flow fan along the third air path and then is blown out from the air outlet;

The first panel, the second panel, the third panel and the fourth panel are all vertically arranged;

the inner wall surface of the first panel is convexly provided with a first baffle plate on one side of the first air inlet, the first baffle plate extends towards the first sensible heat exchanger and is abutted against the junction of the first air inlet and the second air outlet of the first sensible heat exchanger, the inner wall surface of the first panel is convexly provided with a second baffle plate on the other side of the first air inlet, and the second baffle plate extends towards the first sensible heat exchanger and is abutted against the junction of the first air inlet and the second air inlet of the first sensible heat exchanger;

a third partition plate is arranged on the inner wall surface of the second panel in a protruding mode, extends towards the first heat development exchanger and abuts against the junction of the first air outlet and the second air outlet of the first heat development exchanger;

a fourth air inlet is further formed between the second panel and the second partition plate, a fourth air path is further formed in the shell corresponding to the fourth air inlet, and air flow introduced by the fourth air inlet sequentially passes through the first evaporator, the second air inlet, the second air channel, the second air outlet, the first condenser and the cross-flow fan along the fourth air path and then is blown out by the air outlet;

The first panel is provided with a wind supplementing opening between the first partition plate and the fourth panel, a wind supplementing passage is formed in the shell corresponding to the wind supplementing opening, the dehumidifier further comprises a fourth condenser arranged in the wind supplementing passage, and air flow introduced by the wind supplementing opening sequentially passes through the fourth condenser and the through-flow fan along the wind supplementing passage and is blown out by the air outlet;

the inner wall surface of the first panel is also convexly provided with a guide plate, the guide plate and the first partition plate are respectively positioned at two sides of the air supplementing opening, the guide plate extends towards the end part of the inner side volute of the through-flow fan adjacent to the air inlet side of the through-flow fan and is connected with the end part of the inner side volute adjacent to the air inlet side of the inner side volute, and the fourth condenser is clamped between the guide plate and the first partition plate;

a fourth baffle plate is further arranged between the third baffle plate and the third baffle plate in a protruding mode on the inner wall surface of the second panel, extends towards the second heat development exchanger and abuts against the junction of the third air inlet and the fourth air outlet of the second heat development exchanger;

a second baffle is further arranged between the sixth baffle and the fourth baffle in a protruding mode on the inner wall surface of the third panel, extends towards the end, adjacent to the air inlet side, of the outer volute of the through-flow fan, and is connected with the end, adjacent to the air inlet side, of the outer volute;

The inner wall surface of the third panel is convexly provided with a fifth partition plate, the second air inlet is positioned between the fifth partition plate and the second panel, the third air inlet is positioned between the fifth partition plate and the fourth panel, and the fifth partition plate extends towards the second sensible heat exchanger and is abutted against the junction of the third air inlet and the fourth air inlet of the second sensible heat exchanger; the inner wall surface of the third panel is also convexly provided with a sixth partition plate, the sixth partition plate and the fifth partition plate are respectively positioned at two sides of the third air inlet, the sixth partition plate extends towards the second heat development exchanger and is abutted against the junction of the fourth air inlet and the third air outlet of the second heat development exchanger, and the third evaporator is clamped between the fifth partition plate and the sixth partition plate; or the third air inlet is positioned between the second air inlet and the second panel, the junction of the third air inlet and the fourth air inlet of the second sensible heat exchanger is connected with the inner wall surface of the third panel between the second air inlet and the third air inlet, and the junction of the third air inlet and the fourth air outlet of the second sensible heat exchanger is connected with the inner wall surface of the third panel between the second air inlet and the fourth panel; and a fourth baffle plate is further arranged between the third baffle plate and the inner wall surface of the second panel in a protruding manner, extends towards the second heat development exchanger and abuts against the junction of the fourth air inlet and the third air outlet of the second heat development exchanger.

2. The dehumidifier of claim 1, wherein a junction of the third air inlet and the fourth air outlet of the second sensible heat exchanger is provided with a first baffle protruding toward the first sensible heat exchanger, and the first baffle extends toward the first sensible heat exchanger and abuts a junction of the first air outlet and the second air outlet of the first sensible heat exchanger.

3. The dehumidifier of claim 1, wherein a seventh partition plate is convexly arranged at a junction of the fourth air inlet and the third air outlet of the second sensible heat exchanger towards the through-flow fan, an eighth partition plate is convexly arranged at a junction of the third air outlet and the fourth air outlet of the second sensible heat exchanger towards the through-flow fan, the seventh partition plate and the eighth partition plate are oppositely arranged, the second evaporator and the second condenser are respectively clamped between the seventh partition plate and the eighth partition plate, and the second evaporator and the second condenser are sequentially stacked along an air outlet direction of the third air outlet.

4. The dehumidifier of claim 1, wherein a junction of the fourth air inlet and the third air outlet of the second sensible heat exchanger is provided with a first baffle protruding toward the first sensible heat exchanger, and the first baffle extends toward the first sensible heat exchanger and abuts a junction of the first air outlet and the second air outlet of the first sensible heat exchanger.

5. The dehumidifier of any of claims 1-4, wherein the first evaporator is disposed overlying the second inlet; and/or the first condenser is arranged to cover the second air outlet; and/or the second evaporator is arranged to cover the third air outlet; and/or the third evaporator is arranged to cover the fourth air inlet; and/or the third condenser is arranged to cover the fourth air outlet.