CN219693467U - Fresh air humidity regulator - Google Patents

Abstract

The utility model discloses a fresh air humidity regulator, which comprises: the air duct cavity is provided with a first air cavity, a humidity treatment cavity and a second air cavity which are arranged from bottom to top; the first air cavity comprises a first air inlet channel and a second air inlet channel; the second wind cavity comprises a first sub wind cavity and a second sub wind cavity which are arranged left and right, and the second sub wind cavity comprises a third sub wind cavity and a fourth sub wind cavity which are arranged front and back; the humidity treatment cavity comprises a first humidity treatment cavity and a second humidity treatment cavity which are transversely arranged; the lower part of the extended air inlet channel is communicated with the second air inlet channel, and the upper part of the extended air inlet channel is communicated with the third sub-air cavity; further comprises: the air valve switching device is in a first state, the first air inlet channel, the second humidity treatment cavity and the fourth sub-air cavity are communicated, and the second air inlet channel, the first humidity treatment cavity and the first sub-air cavity are communicated; when the air valve switching device is in a second state, the first air inlet channel, the first humidity treatment cavity and the fourth sub-air cavity are communicated, and the second air inlet channel, the second humidity treatment cavity and the first sub-air cavity are communicated. The fresh air humidity regulator is easy to maintain.

Description

Fresh air humidity regulator

Technical Field

The utility model relates to the technical field of air treatment, in particular to a fresh air humidity regulator.

Background

At present, most fresh air humidifiers are horizontal structure machines, are hoisted inside a ceiling for use, and are inconvenient to assemble and disassemble the ceiling due to the need of high-level operation during maintenance and easy-damaged part replacement.

Disclosure of Invention

The utility model provides a fresh air humidity regulator which is easy to maintain.

A fresh air conditioner comprising: a housing having an air duct chamber and an extended air inlet duct formed therein; the air duct cavity comprises a first air cavity, a humidity treatment cavity and a second air cavity which are vertically arranged from bottom to top; the second wind cavity comprises a first sub wind cavity and a second sub wind cavity which are arranged along the first transverse direction, the second sub wind cavity comprises a third sub wind cavity and a fourth sub wind cavity which are arranged along the second transverse direction, and the first transverse direction is intersected with the second transverse direction; the humidity treatment cavity comprises a first humidity treatment cavity and a second humidity treatment cavity which are transversely arranged; the first air cavity comprises a first air inlet channel and a second air inlet channel; the extended air inlet channel is arranged on one side of the air channel cavity, the lower part of the extended air inlet channel is communicated with the second air inlet channel, and the upper part of the extended air inlet channel is communicated with the third sub-air cavity;

further comprises: the air valve switching device comprises an air inlet switching air valve and an air outlet switching air valve, the air inlet switching air valve is arranged between the humidity processing cavity and the first air cavity, the air outlet switching air valve is arranged between the humidity processing cavity and the second air cavity, and when the air valve switching device is in a first state, the first air inlet channel, the second humidity processing cavity and the fourth sub air cavity are communicated, and the second air inlet channel, the first humidity processing cavity and the first sub air cavity are communicated; when the air valve switching device is in a second state, the first air inlet channel, the first humidity treatment cavity and the fourth sub-air cavity are communicated, and the second air inlet channel, the second humidity treatment cavity and the first sub-air cavity are communicated;

one path of fresh air and return air passes through one of the first air inlet channel, the first humidity treatment cavity and the second humidity treatment cavity and is blown out by the fourth sub-air cavity; the other path of the fresh air and the return air passes through the other one of the third sub-air chamber, the extension air inlet duct, the second air inlet duct, the first humidity treatment chamber and the second humidity treatment chamber and then is blown out by the first sub-air chamber.

In some embodiments, further comprising: the total heat core body is arranged in the first air cavity; the first air inlet channel and the second air inlet channel are distributed along the total heat core body in a crossing way; the first air inlet channel is divided into a first front air cavity and a first rear air cavity by the total heat core body, and the first front air cavity is positioned on the windward side of the total heat core body; the second air inlet channel is divided into a second front air cavity and a second rear air cavity by the total heat core body, and the second front air cavity is positioned on the windward side of the total heat core body; the second front air cavity is communicated with the lower part of the extended air inlet duct; the shell is provided with a first air inlet, and the first air inlet corresponds to the side wall of the first front air cavity.

In some embodiments, a first air outlet is formed in the top wall or the side wall of the fourth sub-air cavity; the top wall or the side wall of the third sub-air cavity is provided with a second air inlet, and the top wall or the side wall of the first sub-air cavity is provided with a second air outlet.

In some embodiments, a first air outlet is formed in the top wall or the side wall of the fourth sub-air cavity; the side wall of the extension air inlet channel is provided with a second air inlet, and the top wall or the side wall of the first sub-air cavity is provided with a second air outlet.

In some embodiments, the second air intake is proximate a lower portion of the elongate air intake duct.

In some embodiments, the width of the elongated inlet duct in the first lateral direction is smaller than the width of the fourth sub-chamber.

In some embodiments, further comprising: the first fan is arranged in the fourth sub-air cavity; the second fan is arranged in the first sub-air cavity; the axes of the first fan and the second fan are intersected to form a V shape.

In some embodiments, further comprising: the first heat exchanger and the first adsorption unit are sequentially arranged in the first humidity treatment cavity from bottom to top; the second heat exchanger and the second adsorption unit are sequentially arranged in the second humidity treatment cavity from bottom to top.

In some embodiments, the first heat exchanger and the second heat exchanger are arranged in a "V" shape.

In some embodiments, the housing further comprises a press cavity and an electrical box cavity located below the first air cavity; the compressor is installed in the press chamber, and the electrical apparatus box is installed in the electrical apparatus box chamber.

Drawings

FIGS. 1 and 2 illustrate schematic diagrams of fresh air conditioning machines according to some embodiments;

FIG. 3 illustrates a profile of a second plenum of a fresh air conditioner according to some embodiments;

FIG. 4 illustrates a top view of a fresh air conditioner according to some embodiments;

FIG. 5 illustrates an airflow path diagram of a fresh air conditioner in a first state according to some embodiments;

FIG. 6 illustrates an airflow path diagram of a fresh air conditioner in a second state according to some embodiments;

FIG. 7 illustrates a schematic diagram of a fresh air conditioner according to some embodiments;

FIGS. 8 and 9 illustrate schematic diagrams of fresh air conditioning machines in some application scenarios, according to some embodiments;

FIGS. 10 and 11 illustrate schematic diagrams of fresh air conditioning machines according to further embodiments;

FIGS. 12 and 13 illustrate schematic diagrams of fresh air conditioning machines in some application scenarios, according to further embodiments;

FIGS. 14 and 15 illustrate schematic diagrams of fresh air conditioning machines according to further embodiments;

FIGS. 16 and 17 illustrate schematic diagrams of fresh air conditioning machines in some application scenarios, according to further embodiments;

in the above figures: 100. fresh air humidity regulator; 1. a housing; 11. an air duct cavity; 12. a first air chamber; 121. a first air inlet duct; 1211. a first front wind chamber; 1212. a first rear wind chamber; 122. a second air inlet duct; 1221. a second front wind chamber; 1222. a second rear wind chamber; 13. a humidity treatment chamber; 131. a first humidity treatment chamber; 132. a second humidity treatment chamber; 14. a second air chamber; 141. a first sub-wind chamber; 142. a second sub-wind chamber; 143. a third sub-air chamber; 144. a fourth sub-air chamber; 15. the air inlet duct is prolonged; 19a, a press cavity; 19b, electrical box cavity; 21. an air inlet switching air valve; 22. an air outlet switching air valve; 31. a first heat exchanger; 32. a second heat exchanger; 41. a first adsorption unit; 42. a second adsorption unit; 5. a total heat core; 61. a first fan; 62. and a second fan.

Detailed Description

For the purposes of making the objects and embodiments of the present utility model more apparent, an exemplary embodiment of the present utility model will be described in detail below with reference to the accompanying drawings in which exemplary embodiments of the present utility model are illustrated, it being apparent that the exemplary embodiments described are only some, but not all, of the embodiments of the present utility model.

In the description of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular number of features being indicated. Thus, a feature defining "a first", "a second" or the like may include one or more such features explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Hereinafter, embodiments according to the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a fresh air conditioner according to an embodiment of the present utility model includes a housing 1.

The shell 1 is in a cuboid column shape and forms the overall appearance of the fresh air humidity regulator. In other embodiments, the housing 1 may be in other vertical shapes such as a cylinder, an elliptic cylinder, and the like. That is, the height direction dimension of the housing 1 is larger than the lateral direction dimension in the present utility model.

An air duct cavity 11 is formed in the shell 1, and the air duct cavity 11 comprises a return air duct and a fresh air duct. The return air duct is used for circulating indoor air, discharging the indoor air (also called return air) to the outside, the fresh air duct is used for circulating outdoor air, and sending the outdoor air (also called fresh air) to the inside, so that the fresh air function of indoor ventilation is realized.

The return air duct and the fresh air duct extend approximately vertically, that is to say, the return air and the fresh air flow approximately vertically in the fresh air damping machine, so that the cabinet design of the fresh air damping machine can be realized, and all components and the like in the air duct are vertically distributed.

Compared with the problem that the horizontal structural machine is inconvenient to install and maintain when being installed in a suspended ceiling in the prior art, the novel air conditioner adopts a cabinet structure, is installed and used in an open mode, does not need to be detached from the suspended ceiling and works aloft, and has the advantages of easiness in maintenance and safety.

The air duct cavity 11 comprises a first air cavity 12, a humidity treatment cavity 13 and a second air cavity 14 which are sequentially arranged from bottom to top.

The first air chamber 12 includes a first air inlet duct 121 and a second air inlet duct 122.

The second air chamber 14 includes a first sub air chamber 141 and a second sub air chamber 142 arranged in a first lateral direction, and the second sub air chamber 142 includes a third sub air chamber 143 and a fourth sub air chamber 144 arranged in a second lateral direction, the first lateral direction intersecting the second lateral direction. For example, the first lateral direction is a left-right direction, the second lateral direction is a front-back direction, that is, the first sub-air chamber 141 and the second sub-air chamber 142 are disposed left-right, and the third sub-air chamber 143 and the fourth sub-air chamber 144 are disposed front-back.

The first air inlet duct 121 and the fourth sub-air chamber 144 are communicated with each other on a first flow path, and the second air inlet duct 122 and the first sub-air chamber 141 are communicated with each other on a second flow path. One of the first flow path and the second flow path is a fresh air duct, and the other is a return air duct.

The humidity processing chamber 13 includes a first humidity processing chamber 131 and a second humidity processing chamber 132; the air is humidity-treated in the humidity-treating chamber 13. The second humidity treatment chamber 132 is located on the second flow path when the first humidity treatment chamber 131 is located on the first flow path; the second humidity treatment chamber 132 is located on the first flow path when the first humidity treatment chamber 131 is located on the second flow path.

The switching of the first humidity treatment chamber 131 and the second humidity treatment chamber 132 on the two flow paths may be achieved by a damper switching device. Accordingly, the fresh air conditioner may include a damper switching device for switching the air of the first humidity treatment chamber 131 and the air of the second humidity treatment chamber 132.

The damper switching device includes an inlet damper 21 and an outlet damper 22. Wherein, the air inlet switching air valve 21 is located between the first air chamber 12 and the humidity processing chamber 13, and the air outlet switching air valve 22 is located between the humidity processing chamber 13 and the second air chamber 12.

Referring to fig. 5 and 6, a solid arrow with a broken line in the drawing indicates a path of the first flow path, and a solid arrow with a hollow line in the drawing indicates a path of the second flow path, when the damper switching device is in the first state (fig. 5), the first humidity treatment chamber 131 is located on the second flow path, the second humidity treatment chamber 132 is located on the first flow path, that is, the first air inlet duct 121, the second humidity treatment chamber 132, and the fourth sub-air chamber 144 are communicated, and the second air inlet duct 122, the first humidity treatment chamber 131, and the first sub-air chamber 141 are communicated.

When the damper switching device is switched from the first state to the second state (fig. 6), the first humidity treatment chamber 131 is located on the first flow path, and the second humidity treatment chamber 132 is located on the second flow path; that is, the first air inlet duct 121, the first humidity chamber 131, and the fourth sub-chamber 144 communicate with each other, and the second air inlet duct 122, the second humidity chamber 132, and the first sub-chamber 141 communicate with each other.

It should be noted that, since the structure of the air valve switching device is applicable to the prior art, the description thereof is omitted.

Referring to fig. 1, 3 and 7, an extended air inlet duct 15 may be further disposed in the housing 1, the extended air inlet duct 15 is located at one side of the duct chamber 11, a lower portion of the extended air inlet duct 15 is communicated with the second air inlet duct 122, and an upper portion of the extended air inlet duct 15 is communicated with the third sub-duct chamber 143, that is, the extended air inlet duct 15 is located on the second flow path.

According to embodiments of the utility model, a fresh air conditioner may include a heat exchanger assembly and an adsorption unit.

Specifically, the heat exchanger assembly includes a first heat exchanger 31 and a second heat exchanger 32, and the adsorption unit includes a first adsorption unit 41 and a second adsorption unit 42.

The first heat exchanger 31 and the first adsorption unit 41 are located in the first humidity treatment chamber 131, and the first adsorption unit 41 is located at the air outlet side of the first heat exchanger 31, that is, air passes through the first heat exchanger 31 and then passes through the first adsorption unit 41 in the first humidity treatment chamber 131.

The second heat exchanger 32 and the second adsorption unit 42 are located in the second humidity treatment chamber 132, and the second adsorption unit 42 is located at the air outlet side of the second heat exchanger 32, that is, the air passes through the second heat exchanger 32 and then passes through the second adsorption unit 42 in the second humidity treatment chamber 132.

In some embodiments of the present utility model, the first heat exchanger 31 and the second heat exchanger 32 are arranged in a V shape, and the heat exchange area is increased while the lateral area is reduced as much as possible, thereby reducing the occupied space of the product.

In addition, since the bottom ends of the first heat exchanger 31 and the second heat exchanger 32 are adjacent, the two heat exchangers can share one water receiving tray.

According to an embodiment of the present utility model, the fresh air conditioner includes a first fan 61 and a second fan 62. The first fan 61 is disposed in the fourth sub-air chamber 144 for driving air flow in the first flow path, and the second fan 62 is disposed in the first sub-air chamber 141 for driving air flow in the second flow path.

In some embodiments of the present utility model, the first fan 61 and the second fan 62 are disposed obliquely such that the space occupied by the fans in the lateral direction is reduced, thereby reducing the lateral dimension of the dehumidifier as a whole, i.e., reducing the floor space of the dehumidifier.

Specifically, the axes of the first fan 61 and the second fan 62 intersect in a "V" shape.

In some embodiments of the utility model, the fresh air conditioner may include a total heat core 5 for exchanging heat between the fresh air and the return air to pre-treat the fresh air and to recover the energy of the return air.

The total heat core 5 is located within the first wind chamber 12. The first air inlet duct 121 and the second air inlet duct 122 cross through the total heat core 5.

Specifically, the first air inlet duct 121 is divided by the total heat core 5 into a first front air chamber 1211 and a first rear air chamber 1212, wherein the first front air chamber 1211 is located on the windward side of the total heat core 5 and the first rear air chamber 1212 is located on the leeward side of the total heat core 5.

The second air inlet duct 122 is divided by the total heat core 5 into a second front air chamber 1221 and a second rear air chamber 1222, wherein the second front air chamber 1221 is located on the windward side of the total heat core 5, and the first rear air chamber 1222 is located on the leeward side of the total heat core 5.

The total heat core 5 has two windward sides facing downward and two leeward sides facing upward. That is, first front air chamber 1211 and second front air chamber 1221 are down, and first rear air chamber 1212 and second rear air chamber 1222 are up.

The windward side of the total heat core body 5 can be provided with a filter screen for filtering and purifying air and avoiding impurities and the like from entering the core body.

The first humidity treatment chamber 131 and the second humidity treatment chamber 132 are laterally disposed left and right, for example, the first humidity treatment chamber 131 is located on the left side and the second humidity treatment chamber 132 is located on the right side.

In the first humidity treatment chamber 131, the first adsorption unit 41 is located above the first heat exchanger 31; within the second humidity treatment chamber 132, the second adsorption unit 42 is located above the second heat exchanger 32. The adsorption unit is located the top of heat exchanger, has reduced the risk of adsorption unit bubble water.

According to the embodiment of the utility model, the shell 1 is further provided with a first air inlet, a first air outlet, a second air inlet and a second air outlet. The first air inlet and the first air outlet are positioned at two ends of the first flow path, and the second air inlet and the second air outlet are positioned at two ends of the second flow path.

Specifically, the first air inlet may be corresponding to a side wall of the first front air chamber 1211, and the first air outlet may be corresponding to a top wall or a side wall of the fourth sub-air chamber 144.

The second air inlet may be correspondingly located on the top or the side wall of the third sub-air chamber 143, and the second air outlet may be correspondingly located on the top or the side wall of the first sub-air chamber 141.

The following description is made by taking a first flow path as a fresh air channel and a second flow path as a return air channel as an example:

the first air inlet is a fresh air inlet OA, the second air inlet is a return air inlet RA, the first air outlet is a fresh air outlet SA, and the second air outlet is a return air outlet EA.

Referring to fig. 5 and 6, a solid arrow with a broken line in the drawing indicates a flow path of fresh air, a solid arrow with a hollow line in the drawing indicates a flow path of return air, and the fresh air enters from a fresh air inlet OA, passes through a first air inlet duct 121, one of a first humidity treatment chamber 131 and a second humidity treatment chamber 132, and a fourth sub-air chamber 144, and is blown out from a fresh air outlet SA; the return air enters from the return air inlet RA, passes through the third sub-air cavity 143, the extension air inlet duct 15, the second air inlet duct 122, the other one of the first humidity treatment cavity 131 and the second humidity treatment cavity 132, and the first sub-air cavity 141, and is blown out from the return air outlet EA.

It is understood that the first flow path may be a return air duct, and the second flow path may be a fresh air duct, which will not be described herein.

In general, maintenance and the like are required for the fresh air conditioner from the front side, and when the fresh air conditioner is installed in a floor, the front side faces more toward the user, so that the tuyere is not generally provided on the front side wall of the casing 1, and more is provided on the left and right side walls, the top wall or the bottom wall.

In an application scenario, referring to fig. 8 and 9, the fresh air conditioner 100 is located indoors and mounted against an outer wall:

the return air inlet RA corresponds to the top of the third sub-air cavity 143, the fresh air outlet SA corresponds to the top of the fourth sub-air cavity 144, and the return air inlet RA and the fresh air outlet SA extend upwards into the suspended ceiling through the air pipes to be paved;

the fresh air inlet OA corresponds to the rear side wall of the first front air cavity 1221, the return air outlet EA corresponds to the rear side wall of the first sub air cavity 141, and the fresh air inlet OA and the return air outlet EA can be respectively connected to the outdoor through air pipes for rear air inlet and rear air exhaust;

the air pipe is positioned at the rear of the damping machine and in the suspended ceiling, so that hidden installation of the air pipe is facilitated; in addition, the fresh air inlet OA and the return air outlet EA are directly communicated with the air cavity, so that the length of a flow channel is shortened, and the wind resistance is reduced.

And the fresh air inlet OA and the return air outlet EA are positioned at the rear part, and the fresh air outlet SA and the return air inlet RA are positioned at the top part, so that the space is not occupied left and right, and the whole occupied space of the damping machine is reduced.

In an application scenario, referring to fig. 9 to 13, the fresh air conditioner is installed in a machine room, with its rear side facing outdoors and one side facing an indoor wall:

the fresh air inlet OA corresponds to the rear side wall of the first front air cavity 1221, the return air outlet EA corresponds to the rear side wall of the first sub air cavity 141, and the fresh air inlet OA and the return air outlet EA can be respectively connected to the outdoor through air pipes for rear air inlet and rear air exhaust; the fresh air inlet OA and the return air outlet EA are directly communicated with the air cavity, so that the length of a flow channel is shortened, and the wind resistance is reduced.

The return air inlet RA corresponds to the side wall of the extended air inlet duct 15, and the fresh air outlet SA corresponds to the side part or the top of the fourth sub-air chamber 144, so that the air supply duct and the return air duct connected to the indoor space can penetrate through the target indoor wall body to guide the air to the indoor space, thereby realizing upper air supply and upper return air or upper air supply and lower return air.

In addition, the return air inlet RA is arranged near the lower part of the extension air inlet duct 15, so that the return air inlet RA is opposite to the second air inlet duct 122, the air inlet distance can be reduced, the wind resistance can be reduced, and the air inlet efficiency of return air can be improved.

In an application scenario, referring to fig. 14 to 17, the fresh air conditioner is installed in a machine room, the left and right spaces are relatively large, the left side faces outdoors, and the right side faces indoor walls:

the fresh air inlet OA corresponds to the left side wall of the first front air cavity 1221, and the return air outlet EA corresponds to the left side wall of the first sub air cavity 141, so that the fresh air inlet OA and the return air outlet EA can be respectively connected to the outdoor through air pipes for side air inlet and side air exhaust; the fresh air inlet OA and the return air outlet EA are directly communicated with the air cavity, so that the length of a flow channel is shortened, and the wind resistance is reduced.

The return air inlet RA corresponds to the side wall of the extended air inlet duct 15, and the fresh air outlet SA corresponds to the side part of the fourth sub-air chamber 144, so that the air supply pipe and the return air pipe connected to the room can penetrate through the indoor wall body and guide the air to the room, thereby realizing upper air supply and upper return air or upper air supply and lower return air.

In addition, the return air inlet RA is arranged near the lower part of the extension air inlet duct 15, so that the return air inlet RA is opposite to the second air inlet duct 122, the air inlet distance can be reduced, the wind resistance can be reduced, and the air inlet efficiency of return air can be improved.

In some embodiments of the utility model, with continued reference to fig. 1, the bottom of the housing 1 may be provided with a press cavity 19a and an electrical box cavity 19b. Specifically, the press cavity 19a and the electrical box cavity 16b are arranged laterally, and are located below the first air cavity 12.

According to an embodiment of the present utility model, the fresh air conditioner further includes a refrigerant circulation loop including a compressor 19a, a four-way valve, a first heat exchanger 31, an expansion valve, and a second heat exchanger 32 connected in a loop through refrigerant pipes. The working principle is similar to that of an air conditioner, and is not repeated here.

The compressor 19a, expansion valve, four-way valve, etc. are installed in the compressor chamber 19a, and the electrical box may be installed in the electrical box chamber 19b.

The working flow of the fresh air humidity regulator is described below:

< summer dehumidification mode >

Referring to fig. 5, the damper switching device is in a first state, the first heat exchanger 31 serves as a condenser, and the second heat exchanger 32 serves as an evaporator.

Fresh air duct: fresh air enters the device from the OA, firstly passes through the total heat core 5 to exchange heat with indoor return air, the temperature and the humidity drop are also reduced, then passes through the air inlet switching air valve 21 to reach the inlet of the second heat exchanger 32, passes through the second heat exchanger 32 to be cooled and lowered, the humidity is further reduced, the relative humidity is increased, then reaches the inlet of the second adsorption unit 42, and due to the higher relative humidity, the moisture carried by the fresh air when passing through the second adsorption unit 42 is adsorbed inside, so that the humidity of the fresh air is further reduced, then reaches the air outlet switching air valve 22, then reaches the inlet of the first fan 61, finally is sent into a room through the SA port, and the dehumidification process of the fresh air is completed;

and (3) an air return duct: indoor air enters the device from RA, firstly passes through the total heat core 5 to exchange heat with outdoor fresh air, the temperature rises and the humidity rises, then passes through the air inlet switching air valve 21 to reach the inlet of the first heat exchanger 31, and passes through the first heat exchanger 31 to be heated and heated, the temperature rises, the relative humidity drops, then reaches the inlet of the first adsorption unit 41, and because the air temperature is high and the relative humidity is lower, the indoor air dries out the moisture in the material when passing through the first adsorption unit 41, then reaches the air outlet switching air valve 22, then reaches the inlet of the second fan 62, finally is discharged out of the room from the EA port, and the process of heat recovery of primary exhaust and discharging the moisture in the adsorption material to the outside is completed.

When the reversing condition is satisfied, referring to fig. 6, the air valve switching device is switched to the second state, and the four-way valve in the refrigerant circulation circuit is reversed, the first heat exchanger 31 serves as an evaporator, and the second heat exchanger 32 serves as a condenser.

Fresh air duct: fresh air enters the device from the OA, firstly passes through the total heat core 5 to exchange heat with indoor return air, the temperature and the humidity drop are also reduced, then passes through the air inlet switching air valve 21 to reach the inlet of the first heat exchanger 31, passes through the first heat exchanger 31 to be cooled and lowered, the humidity is further reduced, the relative humidity rises, then reaches the inlet of the first adsorption unit 41, and due to the higher relative humidity, the moisture carried by the fresh air when passing through the first adsorption unit 41 is adsorbed inside, so that the humidity of the fresh air is further reduced, then reaches the air outlet switching air valve 22, then reaches the inlet of the first fan 61, finally is sent into a room from an SA port, and the dehumidification process of the fresh air is completed;

and an exhaust channel: indoor air enters the device from RA, firstly passes through the total heat core 5 to exchange heat with outdoor fresh air, the temperature rises and the humidity rises, then passes through the air inlet switching air valve 21 to reach the inlet of the second heat exchanger 32, and passes through the second heat exchanger 32 to be heated and heated, the temperature rises, the relative humidity drops, then reaches the inlet of the second adsorption unit 42, and because the air temperature is high and the relative humidity is lower, the indoor air dries out the moisture in the material when passing through the second adsorption unit 42, then reaches the air outlet switching air valve 22, then reaches the inlet of the second fan 62, finally is discharged out of the room from the EA port, and the process of heat recovery of primary exhaust and discharging the moisture in the adsorption material to the outside is completed.

This is continuously cycled between the first state and the second state.

< winter moisturizing Pattern >

Referring to fig. 5, the damper switching device is in a first state, the first heat exchanger 31 serves as an evaporator, and the second heat exchanger 32 serves as a condenser.

Fresh air duct: fresh air enters the device from the OA, firstly passes through the total heat core 5 to exchange heat with indoor return air, the temperature rises and the humidity rises, then passes through the air inlet switching air valve 21 to reach the inlet of the second heat exchanger 32, and passes through the second heat exchanger 32 to be heated, the temperature rises, the relative humidity drops, then reaches the inlet of the second adsorption unit 42, and the fresh air dries out the moisture in the material when passing through the second adsorption unit 42 due to the fact that the air temperature is high and the relative humidity is low, so that the humidity rises further, then reaches the air outlet switching air valve 22, then reaches the inlet of the first fan 61, finally is sent into a room through the SA port, and the heating and humidifying process of the fresh air is completed;

and an exhaust channel: indoor air enters the device from RA, firstly passes through the total heat core 5 to exchange heat with outdoor fresh air, the temperature and the humidity are reduced, then the indoor air passes through the air inlet switching air valve 21 to reach the inlet of the first heat exchanger 31, the indoor air passes through the first heat exchanger 31 to be cooled, the temperature is reduced, the relative humidity is increased, then the indoor air reaches the inlet of the first adsorption unit 41, and moisture carried by the indoor air when passing through the first adsorption unit 41 is adsorbed inside due to higher relative humidity, so that the humidity is further reduced, then the indoor air reaches the air outlet switching air valve 22, then the indoor air reaches the inlet of the second fan 62, and finally the indoor air is discharged from the EA port. The process of one-time exhaust heat recovery and water recovery is completed.

When the reversing condition is satisfied, referring to fig. 6, the air valve switching device is switched to the second state, and the four-way valve in the refrigerant circulation circuit is reversed, the first heat exchanger 31 serves as a condenser, and the second heat exchanger 32 serves as an evaporator.

Fresh air duct: fresh air enters the device from the OA, firstly passes through the total heat core 5 to exchange heat with indoor return air, the temperature rises and the humidity rises, then passes through the air inlet switching air valve 21 to reach the inlet of the first heat exchanger 31, is heated and warmed through the first heat exchanger 31, the temperature rises, the relative humidity drops, then reaches the inlet of the first adsorption unit 41, and the fresh air dries out the moisture in the material when passing through the first adsorption unit 41 due to the fact that the air temperature is high and the relative humidity is low, so that the humidity rises further, then reaches the air outlet switching air valve 22, then reaches the inlet of the first fan 61, finally is sent into a room through the SA port, and the heating and humidifying process of the fresh air is completed;

and an exhaust channel: indoor air enters the device from RA, firstly passes through the total heat core 5 to exchange heat with outdoor fresh air, the temperature and the humidity are reduced, then the indoor air passes through the air inlet switching air valve 21 to reach the inlet of the second heat exchanger 32, the indoor air passes through the second heat exchanger 32 to be cooled, the temperature is reduced, the relative humidity is increased, then the indoor air reaches the inlet of the second adsorption unit 42, and due to the higher relative humidity, moisture carried by the indoor air when passing through the second adsorption unit 42 is adsorbed inside, so that the humidity is further reduced, then the indoor air reaches the air outlet switching air valve 22, then the indoor air reaches the inlet of the second fan 62, and finally the indoor air is discharged from the EA port. The process of one-time exhaust heat recovery and water recovery is completed.

This is continuously cycled between the first state and the second state.

According to the first conception of the utility model, as the first air cavity 12, the humidity treatment cavity 13 and the second air cavity 14 are vertically arranged up and down, fresh air and return air flow through the first air cavity 12, the humidity treatment cavity 13 and the second air cavity 14 approximately vertically, so that the cabinet type design of the machine is realized.

In the second concept of the utility model, the first air cavity 12, the humidity treatment cavity 13 and the second air cavity 14 are arranged from bottom to top, and air flows from bottom to top, so that the adsorption unit can be arranged above the heat exchanger, and the risk of soaking water in the adsorption unit is avoided.

According to the third conception of the utility model, as the side face of the air channel cavity 11 is provided with the extended air inlet channel 15, top air inlet can be realized, and the requirements of actual use scenes on different air inlet positions can be met.

In the fourth concept of the present utility model, since the fourth sub-air chamber 144 and the third sub-air chamber 143 are disposed in front of and behind each other, the dimension of the present damping machine in the left-right direction is more compact than the dimension of the air port in the left-right direction.

In the fifth concept of the utility model, the heat exchange area is increased and the transverse area is reduced as much as possible due to the V-shaped arrangement of the heat exchanger components.

According to the sixth conception of the utility model, the heat exchanger components are arranged in a V shape, so that two heat exchangers can share one water receiving disc.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A fresh air conditioner, comprising: a housing having an air duct chamber and an extended air inlet duct formed therein; the air duct cavity comprises a first air cavity, a humidity treatment cavity and a second air cavity which are vertically arranged from bottom to top;

the first air cavity comprises a first air inlet channel and a second air inlet channel;

the second wind cavity comprises a first sub wind cavity and a second sub wind cavity which are arranged along a first transverse direction, the second sub wind cavity comprises a third sub wind cavity and a fourth sub wind cavity which are arranged along a second transverse direction, and the first transverse direction is intersected with the second transverse direction;

the humidity treatment cavity comprises a first humidity treatment cavity and a second humidity treatment cavity which are transversely arranged;

the extended air inlet channel is arranged at one side of the air channel cavity, the lower part of the extended air inlet channel is communicated with the second air inlet channel, and the upper part of the extended air inlet channel is communicated with the third sub-air cavity;

further comprises:

the air valve switching device comprises an air inlet switching air valve and an air outlet switching air valve, the air inlet switching air valve is arranged between the first air cavity and the humidity treatment cavity, the air outlet switching air valve is arranged between the humidity treatment cavity and the second air cavity, when the air valve switching device is in a first state, the first air inlet channel, the second humidity treatment cavity and the fourth sub-air cavity are communicated, and the second air inlet channel, the first humidity treatment cavity and the first sub-air cavity are communicated; when the air valve switching device is in a second state, the first air inlet channel, the first humidity treatment cavity and the fourth sub-air cavity are communicated, and the second air inlet channel, the second humidity treatment cavity and the first sub-air cavity are communicated;

one path of fresh air and return air passes through one of the first air inlet duct, the first humidity treatment cavity and the second humidity treatment cavity and is blown out by the fourth sub-air cavity;

the other path of the fresh air and the return air passes through the third sub-air cavity, the extended air inlet duct, the second air inlet duct, the other one of the first humidity treatment cavity and the second humidity treatment cavity, and then is blown out by the first sub-air cavity.

2. The fresh air conditioner of claim 1, further comprising:

the total heat core body is arranged in the first air cavity;

the first air inlet channel and the second air inlet channel are distributed along the total heat core body in a crossing way; the first air inlet channel is divided into a first front air cavity and a first rear air cavity by the total heat core body, and the first front air cavity is positioned on the windward side of the total heat core body; the second air inlet channel is divided into a second front air cavity and a second rear air cavity by the total heat core body, and the second front air cavity is positioned on the windward side of the total heat core body;

the second front air cavity is communicated with the lower part of the extended air inlet duct;

the shell is provided with a first air inlet, and the first air inlet corresponds to the side wall of the first front air cavity.

3. The fresh air conditioner according to claim 2, wherein a first air outlet is formed in a top wall or a side wall of the fourth sub-air chamber;

the top wall or the side wall of the third sub-air cavity is provided with a second air inlet, and the top wall or the side wall of the first sub-air cavity is provided with a second air outlet.

4. The fresh air conditioner according to claim 2, wherein a first air outlet is formed in a top wall or a side wall of the fourth sub-air chamber;

the side wall of the extension air inlet channel is provided with a second air inlet, and the top wall or the side wall of the first sub-air cavity is provided with a second air outlet.

5. The fresh air conditioner of claim 4, wherein the second air intake is proximate a lower portion of the elongated intake duct.

6. The fresh air conditioner of claim 1, wherein the width of the elongated inlet duct in the first transverse direction is less than the width of the fourth sub-plenum.

7. The fresh air conditioner of claim 1, further comprising:

the first fan is arranged in the fourth sub-air cavity;

the second fan is arranged in the first sub-air cavity;

the axes of the first fan and the second fan are intersected to form a V shape.

8. The fresh air conditioner of claim 1, further comprising:

the first heat exchanger and the first adsorption unit are both arranged in the first humidity treatment cavity, and the first adsorption unit is positioned above the first heat exchanger;

the second heat exchanger and the second adsorption unit are both arranged in the second humidity treatment cavity, and the second adsorption unit is positioned above the second heat exchanger.

9. The fresh air conditioner of claim 8, wherein the first heat exchanger and the second heat exchanger are arranged in a "V" shape.

10. The fresh air conditioner of claim 1, wherein the housing further comprises a press cavity and an electrical box cavity located below the first air cavity;

the compressor is installed in the press cavity, and the electrical box is installed in the electrical box cavity.