WO2023184894A1 - Air humidity regulation apparatus - Google Patents

Abstract

An air humidity regulation apparatus (1000), comprising a first housing (10), a partition portion (15), a first heat exchanger (13), a second heat exchanger (14), a compressor, an expansion valve, a four-way valve, multiple adsorption members (100), a first reversing apparatus (20), a second reversing apparatus (30), and a controller (90). The first housing (10) is provided with an outdoor air inlet (OA), an outdoor air outlet (EA), an indoor air supply port (SA), and an indoor air return port (RA). The partition portion (15) is disposed in the first housing (10) and used for dividing the interior of the first housing (10) into a first heat exchange cavity (11) and a second heat exchange cavity (12). The first heat exchanger (13) is disposed in the first heat exchange cavity (11), and the second heat exchanger (14) is disposed in the second heat exchange cavity (12). The multiple adsorption members (100) are disposed on the surface of the first heat exchanger (13) or the second heat exchanger (14), and are configured to adsorb moisture in the surrounding air when being cooled and release the adsorbed moisture when being heated. The first reversing apparatus (20) or the second reversing apparatus (30) is disposed in the first housing (10), and is provided with four connecting ports, respectively, two of the four connecting ports are respectively connected to the first heat exchange cavity (11) and the second heat exchange cavity (12), and the other two of the connecting ports are respectively connected to the outdoor air inlet (OA) and the indoor air return port (RA), or the other two of the connecting ports are respectively connected to the outdoor air outlet (EA) and the air supply port (SA). The first reversing apparatus (20) or the second reversing apparatus (30) is configured to be capable of switching the connection state of the fourth connecting ports, so as to match the current operating mode of the air humidity regulation apparatus (1000).

Description

Air humidity control device

This application claims the priority of the Chinese patent application with application number 202210346713.8 submitted on March 31, 2022, and the priority of the Chinese patent application with application number 202220753930.4 submitted on March 31, 2022. The priority of the Chinese patent application with application number 202210354479.3, submitted on March 31, 2022, and the priority of the Chinese patent application with application number 202220753929.1, submitted on March 31, 2022, the entire contents of which are incorporated into this application by reference middle.

Technical field

The present disclosure relates to the technical field of air conditioning, and in particular, to an air humidification device.

Background technique

With the improvement of people's living standards, people are paying more and more attention to the quality of indoor environment and need to regulate the air. Air conditioning includes temperature regulation and humidity regulation. Air quality and comfort are increasingly valued by every home and various commercial and office spaces.

Contents of the invention

An air humidity control device is provided. The air humidity control device includes a first housing, a partition, a first heat exchanger, a second heat exchanger, a compressor, an expansion valve, a four-way valve, and a plurality of adsorption members. first reversing device, second reversing device and controller. The first housing has an outdoor air inlet, an outdoor air exhaust outlet, an indoor air supply outlet and an indoor air return outlet. A partition is provided in the first housing, and the partition divides the interior of the first housing into a first heat exchange chamber and a second heat exchange chamber. The first heat exchanger is disposed in the first heat exchange chamber. The second heat exchanger is disposed in the second heat exchange chamber. The compressor is configured to compress refrigerant. The expansion valve is configured to regulate the flow of the refrigerant. The compressor, the first heat exchanger, the expansion valve and the second heat exchanger are connected in sequence to form a refrigerant circuit. The first heat exchanger One of the heat exchanger and the second heat exchanger serves as a condenser, and the other of the first heat exchanger and the second heat exchanger serves as an evaporator. The four-way valve is connected to the refrigerant circuit and is configured to switch the flow direction of the refrigerant in the refrigerant circuit. A plurality of adsorption members are disposed on the surfaces of the plurality of heat exchangers, and the plurality of adsorption members are configured to adsorb moisture in the surrounding air when it is cold and to release the adsorbed moisture when it is heated. The first reversing device is disposed in the first housing. The first reversing device has four connection ports. The four connection ports of the first reversing device are respectively connected to the outdoor exhaust outlet and the outdoor exhaust outlet. The indoor air supply outlet, the first heat exchange chamber and the second heat exchange chamber are connected. The second reversing device is arranged in the first housing. The first reversing device has four connection ports. The four connection ports of the second reversing device are respectively connected to the outdoor air inlet and the outdoor air inlet. The indoor return air outlet, the first heat exchange chamber and the second heat exchange chamber are connected, and the first reversing device or the second reversing device is configured to switch the connection between the four connection ports. In a connected state, the outdoor air inlet and the indoor air supply port are connected to one of the first heat exchange chamber and the second heat exchange chamber, and the indoor return air port and the outdoor air exhaust port are connected to one of the first heat exchange chamber and the second heat exchange chamber. The first heat exchange chamber is connected to the other one of the second heat exchange chambers. A controller is coupled to the first reversing device, the second reversing device and the four-way valve, and the controller is configured to control the first reversing device or the second reversing device. The communication status between the four connection ports is switched to change the flow direction of the air flow, and the four-way valve is controlled to be on or off to change the flow direction of the refrigerant.

Description of drawings

In order to explain the technical solutions in the present disclosure more clearly, the drawings required to be used in some embodiments of the present disclosure will be briefly introduced below. However, the drawings in the following description are only the drawings of some embodiments of the present disclosure. , for those of ordinary skill in the art, other drawings can also be obtained based on these drawings. In addition, the drawings in the following description can be regarded as schematic diagrams and are not intended to limit the actual size of the product, the actual flow of the method, the actual timing of the signals, etc. involved in the embodiments of the present disclosure.

Figure 1 is a structural diagram of an air humidification device according to some embodiments;

Figure 2 is a schematic diagram of a refrigerant circuit of an air humidification device according to some embodiments;

Figure 3 is a schematic diagram of another air humidification device according to some embodiments;

Figure 4 is an internal structural diagram of a second housing according to some embodiments;

Figure 5 is an external structural diagram of a second housing according to some embodiments;

Figure 6 is a structural diagram of a first commutation device according to some embodiments;

Figure 7 is a structural diagram of the first reversing device in Figure 6 from another angle;

Figure 8 is a schematic diagram of the working principle of the first reversing device in Figure 6;

Figure 9 is a structural diagram of yet another air humidification device according to some embodiments;

Figure 10 is a structural diagram of another first reversing device according to some embodiments;

Figure 11 is a structural diagram of the first commutation device in Figure 10 from another perspective;

Figure 12 is an internal structural diagram of another first reversing device in a state according to some embodiments;

Figure 13 is an internal structural diagram of another first reversing device in another state according to some embodiments;

Figure 14 is a schematic diagram of the air flow direction when another air humidification device is in dehumidification mode according to some embodiments;

Figure 15 is a schematic diagram of another air flow direction of another air humidification device in a dehumidification mode according to some embodiments;

Figure 16 is a schematic diagram of the air flow direction of another air humidification device in humidification mode according to some embodiments;

Figure 17 is a schematic diagram of another air flow direction of another air humidification device in humidification mode according to some embodiments;

Figure 18 is a schematic diagram of the air flow direction of another air humidification device in the internal circulation dehumidification mode according to some embodiments;

Figure 19 is a flow chart of a humidity control method of an air humidity control device according to some embodiments;

Figure 20 is a flow chart of another humidity control method of an air humidity control device according to some embodiments;

Figure 21 is a flow chart of yet another humidity control method of an air humidity control device according to some embodiments;

Figure 22 is a flow chart of yet another humidity control method of an air humidity control device according to some embodiments;

Reference signs:

1000. Air humidity control device;

10. First shell; 11. First heat exchange chamber; 12. Second heat exchange chamber; 13. First heat exchanger; 14. Second heat exchanger; 15. Partition; OA, outdoor air inlet; EA, outdoor exhaust outlet; SA, indoor air supply outlet; RA, indoor return air outlet; 100, adsorption piece; 120, first detection device; 130, second detection device; 110, exhaust fan; 80, air supply fan; 90, control device;

70. Second housing; 701. Second assembly hole; 702. Pipe hole; 703. Hooking part; 704. Heat dissipation hole; 51. First stop valve; 52. Second stop valve; 53. First connecting pipe ;54. Second connecting pipe;

20. The first reversing device; 201. The first connection port; 202. The second connection port; 203. The third connection port; 204. The fourth connection port; 205. Valve plate; 208. The first side plate; 210. Valve cavity; 214, second side plate; 213, third side plate; 207, fourth side plate; 209, cover plate; 211, partition; 2111, baffle frame; 2112, communication port; 2113, gear; 2114 , rack; 212, driving device; 30, second reversing device.

Detailed ways

The technical solutions in some embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments provided by this disclosure, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this disclosure.

Unless the context otherwise requires, throughout the specification and claims, the term "comprise" and its other forms such as the third person singular "comprises" and the present participle "comprising" are used. Interpreted as open and inclusive, it means "including, but not limited to." In the description of the specification, the terms "one embodiment", "some embodiments", "exemplary embodiments", "example", "specific "example" or "some examples" and the like are intended to indicate that a particular feature, structure, material or characteristic associated with the embodiment or example is included in at least one embodiment or example of the present disclosure. The schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be included in any suitable manner in any one or more embodiments or examples.

Hereinafter, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present disclosure, unless otherwise specified, “plurality” means two or more.

In describing some embodiments, expressions "coupled" and "connected" and their derivatives may be used. For example, some embodiments may be described using the term "connected" to indicate that two or more components are in direct physical or electrical contact with each other. As another example, the term "coupled" may be used when describing some embodiments to indicate that two or more components are in direct physical or electrical contact. However, the terms "coupled" or "communicatively coupled" may also refer to two or more components that are not in direct contact with each other but still cooperate or interact with each other. The embodiments disclosed herein are not necessarily limited by the content herein.

As used herein, the term "if" is optionally interpreted to mean "when" or "in response to" or "in response to determining" or "in response to detecting," depending on the context. Similarly, depending on the context, the phrase "if it is determined..." or "if [stated condition or event] is detected" is optionally interpreted to mean "when it is determined..." or "in response to the determination..." or “on detection of [stated condition or event]” or “in response to detection of [stated condition or event]”.

The use of "suitable for" or "configured to" in this document implies open and inclusive language that does not exclude devices that are suitable for or configured to perform additional tasks or steps.

As used herein, "about," "approximately," or "approximately" includes the stated value as well as an average within an acceptable range of deviations from the particular value, as determined by one of ordinary skill in the art. Determined taking into account the measurement in question and the errors associated with the measurement of the specific quantity (i.e., the limitations of the measurement system).

As used herein, "parallel," "perpendicular," and "equal" include the stated situation as well as situations that are approximate to the stated situation within an acceptable deviation range, where Such acceptable deviation ranges are as determined by one of ordinary skill in the art taking into account the measurement in question and the errors associated with the measurement of the particular quantity (ie, the limitations of the measurement system). For example, "parallel" includes absolutely parallel and approximately parallel, and the acceptable deviation range of approximately parallel may be, for example, a deviation within 5°; "perpendicular" includes absolutely vertical and approximately vertical, and the acceptable deviation range of approximately vertical may also be, for example, Deviation within 5°. "Equal" includes absolute equality and approximate equality, wherein the difference between the two that may be equal within the acceptable deviation range of approximately equal is less than or equal to 5% of either one, for example.

Generally, indoor humidification includes wet film humidification, steam humidification, etc. These humidification methods require a separate humidification device connected to a fresh air fan and water supply to be realized. The humidification device, fresh air blower and water supply components need to be connected by pipelines. The structure is complex and takes up a lot of space. Alternatively, the humidification device is installed in the fresh air fan, which shortens the length required for pipeline connection. However, the humidification device occupies a large space in the fresh air fan, and the pipeline connection is still relatively complicated, making the overall fresh air fan occupy a larger space. . Or, when the outdoor air humidity is high in summer, the moisture carried by the outdoor fresh air needs to be absorbed by the adsorbent material first, and then the moisture in the adsorbent material is taken away by the indoor exhaust air, so as to prevent the moisture carried by the outdoor fresh air from entering the room; During the process, the heat exchanger needs to continuously change from the evaporator to the condenser, and then from the condenser to the evaporator, and the fresh air channel and the exhaust channel also need to constantly switch between each other. There are a large number of switching valves for switching the fresh air channel and the exhaust channel, and the structure is relatively complex, which is not conducive to later installation and maintenance, takes up a lot of space, and has high working noise.

The present disclosure proposes an air humidity control device. As shown in Figures 1 to 5, the air humidity control device 1000 includes a first housing 10 and a partition 15. The first housing 10 has an outdoor air inlet OA, an outdoor air exhaust Port EA, indoor air supply port SA and indoor return air port RA, outdoor air inlet OA and indoor return air port RA are provided on the same side of the first housing 10 , outdoor air exhaust port EA and indoor air supply port SA are provided on the first housing 10 the side opposite to the same side. The fresh air flows into the first housing 10 through the outdoor air inlet OA, leaves the first housing 10 through the indoor air supply port SA, and flows into the room. Indoor dirty air flows into the first housing 10 through the indoor return air outlet RA, flows out of the first housing 10 through the outdoor exhaust outlet EA and flows into the outdoors. The partition 15 is disposed in the first housing 10 . The partition 15 divides the interior of the first housing 10 into a first heat exchange chamber 11 and a second heat exchange chamber 12 .

It should be noted that fresh air is fresh air from outdoors, and dirty air is dirty air that stays indoors for a period of time.

The air humidity control device 1000 also includes a plurality of heat exchangers, which are respectively provided in the first heat exchange chamber 11 and the second heat exchange chamber 12.

In some embodiments, the air humidification device 1000 includes two heat exchangers as an example. The two heat exchangers are the first heat exchanger 13 and the second heat exchanger 14 respectively. The first heat exchanger 13 The second heat exchanger 14 is arranged in the first heat exchange chamber 11 and the second heat exchanger 14 is arranged in the second heat exchange chamber 12 .

As shown in Figure 2, the first heat exchanger 13 and the second heat exchanger 14 are respectively connected to the compressor 40, the four-way valve 50 and the expansion valve 60 through the refrigerant pipes. The compressor 40, the first heat exchanger are connected in sequence. 13. The expansion valve 60 and the second heat exchanger 14 form a refrigerant circuit, and the refrigerant circulates in the refrigerant circuit to realize the transportation of the refrigerant.

The compressor 40 is configured to compress the refrigerant such that the low-pressure refrigerant is compressed to form a high-pressure refrigerant.

The first heat exchanger 13 is configured to perform heat exchange between the air in the first heat exchange chamber 11 and the refrigerant transported in the first heat exchanger 13 . For example, the first heat exchanger 13 works as a condenser, so that the refrigerant compressed by the compressor 40 dissipates heat into the first heat exchange chamber 11 through the first heat exchanger 13 to be condensed. The first heat exchanger 13 works as an evaporator, so that the decompressed refrigerant absorbs the heat in the first heat exchange chamber 11 through the first heat exchanger 13 and evaporates.

In some embodiments, the first heat exchanger 13 further includes heat exchange fins to expand the contact area between the air in the first heat exchange cavity 11 and the refrigerant transported in the first heat exchanger 13, thereby increasing the The heat exchange efficiency between the air and the refrigerant in the heat exchange cavity 11.

The expansion valve 60 is connected between the first heat exchanger 13 and the second heat exchanger 14. The opening of the expansion valve 60 adjusts the pressure of the refrigerant flowing through the first heat exchanger 13 and the second heat exchanger 14, so as to The refrigerant flow rate flowing between the first heat exchanger 13 and the second heat exchanger 14 is adjusted. The flow rate and pressure of the refrigerant flowing between the first heat exchanger 13 and the second heat exchanger 14 will affect the heat exchange performance of the first heat exchanger 13 and the second heat exchanger 14 . Expansion valve 60 may be an electronic valve. The opening of the expansion valve 60 is adjustable to control the flow rate and pressure of the refrigerant flowing through the expansion valve 60 .

The four-way valve 50 is connected in the refrigerant circuit, and the four-way valve 50 is configured to switch the flow direction of the refrigerant in the refrigerant circuit.

The second heat exchanger 14 is configured to perform heat exchange between the air in the second heat exchange chamber 12 and the refrigerant transported in the second heat exchanger 14 . For example, the second heat exchanger 14 works as an evaporator, so that the refrigerant that has been dissipated through the first heat exchanger 13 absorbs the heat of the air in the second heat exchange chamber 12 through the second heat exchanger 14 and evaporates. The second heat exchanger 14 works as a condenser, so that the refrigerant that has absorbed heat through the first heat exchanger 13 radiates heat to the air in the second heat exchange chamber 12 through the second heat exchanger 14 to be condensed.

In some embodiments, the second heat exchanger 14 further includes heat exchange fins to expand the contact area between the air in the second heat exchange cavity 12 and the refrigerant transported in the second heat exchanger 14, thereby increasing the The heat exchange efficiency between the air and the refrigerant in the second heat exchange cavity 12.

As shown in FIG. 3 , the air humidity control device 1000 further includes a controller 90 . The controller 90 is coupled to the compressor 40, the expansion valve 60, and the four-way valve 50. The controller 90 is configured to control the operating frequency of the compressor 40 and the opening of the expansion valve 60, and control the four-way valve 50 to be on or off. , and then control the flow direction of the refrigerant to realize the cooling or heating functions of the first heat exchanger 13 and the second heat exchanger 14. When the first heat exchanger 13 is cooling, the second heat exchanger 14 is heating. When the first heat exchanger 13 is heating, the second heat exchanger 14 is cooling.

The controller 90 is connected to the compressor 40, the expansion valve 60, and the four-way valve 50 through data lines to transmit communication information.

Controller 90 includes a processor. The processor may include a Central Processing Unit (CPU), a Microprocessor, an Application Specific Integrated Circuit (ASIC), and may be configured such that when the processor executes the stored data coupled to the controller When the program in the non-transitory computer-readable medium 90 is installed, the corresponding operations described in the controller 90 are performed. Non-transitory computer-readable storage media may include magnetic storage devices (e.g., hard disks, floppy disks, or tapes), smart cards, or flash memory devices (e.g., Erasable Programmable Read-Only Memory (EPROM)), cards , stick or keyboard driver).

The air humidification device 1000 also includes a plurality of reversing devices, and the plurality of reversing devices are disposed in the first housing 10. For example, the air humidification device 1000 includes two reversing devices, and the two reversing devices are respectively the first reversing devices. reversing device 20 and a second reversing device 30 . The first reversing device 20 and the second reversing device 30 are connected to the first heat exchange chamber 11 and the second heat exchange chamber 12 respectively.

In some embodiments, the first reversing device 20 or the second reversing device 30 has four connection ports, and two of the four connection ports are connected to the first heat exchange chamber 11 and the second heat exchange chamber 12 respectively. . The other two connection ports among the four connection ports are respectively connected to the outdoor air inlet OA and the indoor return air port RA, or the other two connection ports among the four connection ports are respectively connected to the outdoor air exhaust port EA and the indoor air supply port SA. The first reversing device 20 or the second reversing device 30 can switch the communication status between its four connection ports to achieve two-by-two communication of the four connection ports to match the current operating mode of the air humidification device 1000.

In some embodiments, the four connection ports of the first reversing device are respectively connected with the outdoor exhaust port EA, the indoor air supply port SA, the first heat exchange chamber 11 and the second heat exchange chamber 12 . The four connection ports of the second reversing device 30 are respectively connected with the outdoor air inlet OA, the indoor return air outlet RA, the first heat exchange chamber 11 and the second heat exchange chamber 12 .

The controller 90 is also configured to control the first reversing device 20 or the second reversing device 30 to switch the communication state between the four connection ports to change the direction of the air flow, so that the outdoor air inlet OA, the indoor air supply outlet SA and the first The heat exchange cavity 11 is connected to one of the second heat exchange cavity 12 , and the indoor return air outlet RA and the outdoor air exhaust outlet EA are connected to the other one of the first heat exchange cavity 11 and the second heat exchange cavity 12 . The controller 90 can switch the cooling and heating functions of the first heat exchange chamber 11 and the second heat exchange chamber 12 by controlling the four-way valve 50 to be turned on or off to change the flow direction of the refrigerant, and at the same time control the first reversal. The connection state between the four connection ports of the device 20 or the second reversing device 30 can switch the flow direction of the fresh air flow and the dirty air flow, and keep the operating mode of the air humidity control device 1000 unchanged, so as to provide fresh air. At the same time, it can realize dehumidification or humidification function.

In some embodiments, the first reversing device 20 and the second reversing device 30 have valve chambers 210 inside that communicate with each connection port. The following description takes the first reversing device 20 as an example.

As shown in FIGS. 6 and 7 , the four connection ports of the first reversing device 20 are respectively the first connection port 201 , the second connection port 202 , the third connection port 203 and the fourth connection port 204 . The ports are respectively connected with the valve chamber 210 of the first reversing device 20 .

The first reversing device 20 further includes a valve plate 205 , which is disposed in the valve cavity 210 of the first reversing device 20 and can rotate in the valve cavity 210 .

When the valve plate 205 rotates to different positions, the valve cavity 210 can be divided into two independent, non-connected spaces for connecting the first connection port 201 and the third connection port 203 to the same space. The port 202 and the fourth connection port 204 are connected to another space.

Alternatively, the first connection port 201 and the second connection port 202 are connected to the same space, and the third connection port 203 and the fourth connection port 204 are connected to another space. Two connection ports connected to the same space can be connected to each other.

The first connection port 201 of the first reversing device 20 is connected to the indoor air supply outlet SA, the fourth connection port 204 of the first reversing device is connected to the outdoor air exhaust port EA, and the second connection port 202 of the first reversing device is connected to the indoor air supply outlet SA. One of the first heat exchange chamber 11 and the second heat exchange chamber 12 is connected to each other, and the third connection port 203 of the first reversing device is connected to the other of the first heat exchange chamber 11 and the second heat exchange chamber 12 . The first connection port 301 of the second reversing device 30 is connected to the outdoor air inlet OA, the fourth connection port 304 of the second reversing device 30 is connected to the indoor return air outlet RA, and the second connection port 302 of the second reversing device 30 Connected to one of the first heat exchange chamber 11 and the second heat exchange chamber 12 , the third connection port 303 of the second reversing device is connected to the other of the first heat exchange chamber 11 and the second heat exchange chamber 12 .

In some embodiments, the first reversing device 20 or the second reversing device 30 includes a first side plate 208, a second side plate 214, a fourth side plate 207 and a third side plate 213 connected in sequence. 208 is opposite to the fourth side plate 207 , and the second side plate 214 is opposite to the third side plate 213 . The first side plate 208 , the second side plate 214 , the fourth side plate 207 and the third side plate 213 surround the valve chamber 210 . The first reversing device 20 or the second reversing device 30 further includes two cover plates 209 . The two cover plates 209 are oppositely arranged and cover the valve chamber 210 . The first connection port 201 is provided on the first side plate 208 , the fourth connection port 204 is provided on the fourth side plate 207 , the second connection port 202 and the third connection port 203 are provided on one of the two cover plates 209 on board 209. For example, the second connection port 202 and the third connection port 203 are arranged along a connecting direction perpendicular to the first connection port 201 and the fourth connection port 204 . The rotation axis of the valve plate 205 is located between the second connection port 202 and the third connection port 203, and can communicate the first connection port 201 with the second connection port 202, and the third connection port 203 with the fourth connection port 204. , or connect the first connection port 201 to the third connection port 203, and connect the second connection port 202 to the fourth connection port 204.

In some embodiments, the first side plate 208 and the fourth side plate 207 have curved surfaces. The axial direction of the arcuate surface of the first side plate 208 and the arcuate surface of the fourth side plate is perpendicular to the cover plate 209 . The rotation axis of the valve plate 205 is located on the central axis of the valve plate 205 and is coaxially arranged with the arc surface of the first side plate 208 and the arc surface of the fourth side plate 207 . As shown in Figures 6 to 8, the opposite sides of the valve plate 205 rotate along the arc surfaces of the first side plate 208 and the fourth side plate 207 respectively. When the valve plate 205 moves in the first direction (such as counterclockwise direction) When rotated to position I, the first connection port 201 is connected to the third connection port 203, and the second connection port 202 is connected to the fourth connection port 204. When the valve plate 205 rotates to position II in the second direction (such as clockwise direction), the first connection port 201 is connected to the second connection port 202, and the third connection port 203 is connected to the fourth connection port 204.

In some embodiments, as shown in FIGS. 9 to 13 , the first reversing device 20 further includes a blocking portion 211 and a driving device 212 , and the blocking portion 211 is disposed in the valve chamber 210 . The driving device 212 is connected to the partition part 211 and the controller 90. The controller 90 is also configured to control the driving device 212 to drive the partition part 211 to move. The controller 90 controls the driving device 212 to drive the partition part 211 to move, so as to move the first The connection port 201 is connected to the second connection port 202 and the third connection port 203 is connected to the fourth connection port 204, or the first connection port 201 is connected to the third connection port 203 and the second connection port 202 is connected to the fourth connection port. The port 204 is connected, thereby connecting the outdoor air inlet OA and the indoor air supply port SA with one of the first heat exchange chamber 11 and the second heat exchange chamber 12, and the indoor return air port RA and the outdoor air exhaust port EA are connected with the first heat exchange chamber. The cavity 11 communicates with the other one of the second heat exchange cavities 12 .

The operating modes of the air humidification device 1000 include a dehumidification mode and a humidification mode. When the operating mode of the air humidifying device 1000 is the dehumidification mode, the air humidifying device 1000 delivers airflow with lower humidity to the room to reduce indoor humidity. When the operating mode of the air humidifying device 1000 is the humidification mode, the air humidifying device 1000 delivers airflow with relatively high humidity to the room to increase indoor humidity.

The controller 90 controls the driving device 212 to drive the partition 211 to move to connect the outdoor air inlet OA and the indoor air supply outlet SA with the heat exchange cavity where the heat exchanger serves as the evaporator, and to connect the indoor return air outlet RA and the outdoor air exhaust outlet. The EA is connected to the heat exchange cavity where the heat exchanger serves as the condenser, thereby switching the operating mode of the air humidity control device 1000 to the dehumidification mode.

The controller 90 controls the driving device 212 to drive the partition 211 to move to connect the outdoor air inlet OA and the indoor air supply outlet SA with the heat exchange cavity where the heat exchanger serves as the condenser, and to connect the indoor return air outlet RA and the outdoor air exhaust outlet. The EA is connected to the heat exchange chamber where the heat exchanger serves as the evaporator, thereby switching the operating mode of the air humidification device 1000 to the humidification mode.

The structure of the second reversing device 30 is similar to that of the first reversing device 20 and will not be described again here.

As shown in FIGS. 12 and 15 , when the barrier portion 211 of the first reversing device 20 connects the first connection port 201 and the second connection port 202 of the first reversing device 20 and the third connection port of the first reversing device 20 When the third connection port 203 is connected to the fourth connection port 204, the blocking part 211 of the second reversing device 30 connects the first connection port 301 and the second connection port 302 of the second reversing device 30, and the second reversing device The third connection port 303 and the fourth connection port 304 of the device 30 are connected.

As shown in FIG. 13 , when the barrier portion 211 of the first reversing device 20 connects the first connection port 201 and the third connection port 203 of the first reversing device 20 and the second connection port 202 and the fourth connection port 204 When connected, the barrier portion 211 of the second reversing device 30 communicates the first connection port 301 and the third connection port 303 of the second reversing device 30 and the second connection port 302 and the fourth connection port 304.

As shown in Figures 10 and 13, the barrier portion 211 includes a barrier frame 2111. The side walls of the barrier frame 2111 are perpendicular to the two cover plates 209. The two cover plates 209 cover the opposite sides of the barrier frame 2111. The barrier frame 2111 partitions the valve chamber 210 into two independent spaces located inside and outside the baffle frame 2111 respectively. The baffle frame 2111 has a communication port 2112 on one side close to the first connection port 201 or the fourth connection port 204 . As shown in FIG. 13 , the communication port 2112 is located on the side of the baffle frame 2111 close to the first connection port 201 . The controller 90 controls the driving device 212 to drive the baffle frame 2111 to move between the second connection port 202 and the third connection port 203, so that when the air humidification device 1000 is in different operating modes, the second connection port 202 and the third connection port 203 One of them is located inside the baffle frame 2111, and the other of the second connection port 202 and the third connection port 203 is located outside the baffle frame 2111. The communication port 2112 is always connected to the first connection port 201 or the fourth connection port 204.

As shown in Figures 12 and 13, when the second connection port 202 is located inside the baffle frame 2111, the third connection port 203 is located outside the baffle frame 2111, and the second connection port 202 is connected with the first connection port 201. The connection port 203 is connected with the fourth connection port 204.

When the third connection port 203 is located inside the baffle frame 2111, the second connection port 202 is located outside the baffle frame 2111. The third connection port 203 is connected to the first connection port 201, and the second connection port 202 is connected to the fourth connection port 204.

In some embodiments, the driving device 212 is a motor. As shown in Figure 13, the barrier 211 also includes a gear 2113 and a rack 2114. The gear 2113 is fixedly connected to the output shaft of the motor, and the rack 2114 is fixed to the baffle frame 2111. , and the rack 2114 meshes with the gear 2113, and the extension direction of the rack 2114 is parallel to the connecting direction of the second connection port 202 and the third connection port 203. The motor drives the gear 2113 to rotate, and the gear 2113 drives the rack 2114 to move along the extending direction of the rack 2114, thereby driving the baffle frame 2111 to move between the second connection port 202 and the third connection port 203.

In some embodiments, the motor is fixed on one of the two cover plates 209 , and the motor drives the baffle frame 2111 to move on the inner surface of one of the two cover plates 209 .

In some embodiments, the air humidification device 1000 further includes a second housing 70 , the compressor 40 , the four-way valve 50 and the expansion valve 60 are fixed in the second housing 70 , and the second housing 70 is disposed in the first housing. On one side of the body 10, the second housing 70 is fixed to the first housing 10 through a detachable connection to save indoor space. Alternatively, the second housing 70 may be fixed outdoors, and the second housing 70 may be separated from the first housing 10 , thereby reducing machine operating noise transmitted indoors. As shown in Figures 1 and 5, the second housing 70 has a second assembly hole 701. The first housing 10 has a first assembly hole and a bolt. The bolt passes through the first assembly hole and the second assembly hole 701 to secure the first assembly hole. The first housing 10 and the second housing 70 are connected to facilitate the fixed connection and disassembly of the second housing 70 and the first housing 10 .

As shown in Figures 1, 2, 4 and 5, the air humidity control device 1000 also includes a hooking part 703. The hooking part 703 is provided on the second housing 70. The second housing 70 passes through the hooking part 703. Hooked on the first housing 10. The compressor 40, the four-way valve 50 and the expansion valve 60 are connected to the first heat exchanger 13 and the second heat exchanger 14 located inside the first housing 10 through connecting pipes.

As shown in Figures 2 and 4, the four-way valve 50 has four ports, and the compressor 40 has an air inlet and an exhaust port. Two of the four ports of the four-way valve 50 are respectively connected to the air inlet and the exhaust port of the compressor 40 . The air humidity control device 1000 further includes a first stop valve 51 , a second stop valve 52 , a first connecting pipe 53 and a second connecting pipe 54 . The other two ports among the four ports of the four-way valve 50 are respectively connected to the first stop valve 51 and the second stop valve 52. The first stop valve 51 is connected to one of the two heat exchangers through the first connecting pipe 53. The heat exchangers are connected, and the second stop valve 52 is connected to the other of the two heat exchangers through the second connecting pipe 54 . In this way, when the complete air humidifying device 1000 and the compressor 40 are transported separately, the complete air humidifying device 1000 and the compressor 40 are installed through the first stop valve 51, the second stop valve 52 and the first stop valve on the complete machine. The connecting pipe 53 and the second connecting pipe 54 are connected to seal the refrigerant and install the connecting pipe.

In some embodiments, the second housing 70 has a tube hole 702 on the side wall, and the first connecting tube 53 and the second connecting tube 54 penetrate into the first housing 10 through the tube hole 702 .

In some embodiments, the second assembly hole 701 and the tube hole 702 are located on the same side wall of the second housing 70 to facilitate the first connecting tube 53 and the first connecting tube 53 when the second housing 70 is fixedly connected to the first housing 10 . Two connecting pipes 54 pass through.

The second housing 70 is hung on one side of the first housing 10. The second assembly hole 701 and the pipe hole 702 are both provided on the side wall of the second housing 70 close to the first housing 10. In this way, the first connection The arrangement length of the pipe 53 and the second connecting pipe 54 is the shortest, which not only saves the material of the first connecting pipe 53 and the second connecting pipe 54, but also facilitates the assembly of the first housing 10 and the second housing 70.

In some embodiments, the second housing 70 has a heat dissipation hole 704, which is communicated with the inside of the second housing 70 to facilitate heat dissipation for the compressor 40 and help extend the service life of the compressor 40.

As shown in Figure 9, the air humidity control device 1000 also includes an exhaust fan 110 and an air blower 80. The exhaust fan 110 is disposed on a side of the valve cavity 210 close to the outdoor exhaust outlet EA. The exhaust fan 110 is used to pass through the outdoor exhaust outlet EA. To exhaust air outdoors, the air blower 80 is installed on the side of the air blower 80 close to the indoor air supply outlet SA. The air blower 80 is used to supply air to the room through the indoor air supply outlet SA.

The air humidity control device 1000 also includes an adsorbent member 100. The adsorbent member 100 is provided (for example, coated) in the form of a block, a sheet, a mesh-wrapped particle, etc. on the first heat exchanger 13 or the second heat exchanger 14. surface. The adsorption member 100 is configured to adsorb moisture in the surrounding air when it is cold, and to release the adsorbed moisture when it is heated.

When the controller 90 determines that the operating mode of the air humidity control device 1000 is the dehumidification mode, the controller 90 controls the first reversing device 20 or the second reversing device 30 to connect the outdoor air inlet OA, the indoor air supply outlet SA and the evaporator. The heat exchange cavity is connected, and the indoor return air outlet RA and outdoor exhaust outlet EA are connected with the heat exchange cavity where the condenser is located. When the fresh air introduced from the outdoors passes through the outdoor air inlet OA and then passes through the evaporator, the heat of the water vapor in the fresh air is absorbed by the refrigerant in the evaporator. The water vapor condenses into water and is absorbed by the adsorption member 100 in the heat exchange cavity to achieve dehumidification. the goal of.

When the controller 90 determines that the operating mode of the air humidity control device 1000 is the humidification mode, the controller 90 controls the first reversing device 20 or the second reversing device 30 to connect the outdoor air inlet OA, the indoor air supply outlet SA and the condenser. The heat exchange cavity is connected, and the indoor return air outlet RA and outdoor exhaust outlet EA are connected with the heat exchange cavity where the evaporator is located. When the fresh air introduced from the outdoors passes through the outdoor air inlet OA and then passes through the condenser, the condenser heats the adsorption member 100 close to the condenser. The moisture in the adsorption member 100 is evaporated and enters the fresh air to achieve indoor humidification.

In this way, when the outdoor air humidity is high in summer, the moisture carried by the outdoor fresh air needs to be absorbed by the adsorbent 100 first, and then the moisture in the adsorbent 100 is taken away by the indoor exhaust air, thereby preventing the moisture carried by the outdoor fresh air from entering. indoor purpose. Or during humidification in winter, the moisture in the indoor exhaust air is absorbed through the adsorbent 100, and the controller controls the switching of the heat exchange chamber connected to the outdoor air inlet OA and the indoor air supply outlet SA, and at the same time controls the four-way valve 50 to turn on or off. Change the flow direction of the refrigerant to humidify the fresh air entering the room. Since the adsorption member 100 is disposed on the surface of the heat exchanger, the adsorption member 100 occupies less space, and the heat exchange chamber connected to the outdoor air inlet OA and the indoor air supply outlet SA is switched through the reversing device, and there is no need to set up a separate dehumidification chamber. The heat exchange chamber and the heat exchange chamber used for humidification make the air humidification device 1000 smaller in size.

When the air humidity control device 1000 is initially operated, when the moisture adsorbed by the adsorbent member 100 is saturated or the adsorbent member 100 is dry, the controller 90 is configured to control the first reversing device 20 or the second reversing device 30 to switch the four connection ports. The communication state between them is to change the flow direction of the air flow, and the four-way valve 50 is controlled to be on or off to change the flow direction of the refrigerant. The controller 90 controls the first reversing device 20 and the second reversing device 30 to switch the communication state between the four connection ports to change the direction of the air flow, thereby drying the adsorbent member 100 that has absorbed moisture, and the dried adsorbent member 100 absorbs moisture, and the controller 90 controls the four-way valve reversal to change the flow direction of the refrigerant, so that the air humidification device 1000 continues to maintain efficient dehumidification or humidification capabilities.

As shown in Figures 2 and 14, the third connection port 203 of the first reversing device 20 is connected with the first heat exchange chamber 11 where the first heat exchanger 13 is located, and the second connection port of the first reversing device 20 202 is connected to the second heat exchange chamber 12 where the second heat exchanger 14 is located. The first heat exchanger 13 serves as an evaporator and the second heat exchanger 14 serves as a condenser.

At this time, the controller 90 controls the first reversing device 20 to connect the first connection port 201 and the third connection port 203 of the first reversing device 20, and the second connection port 202 and the fourth connection port of the first reversing device 20. 204 conduction. The controller 90 controls the second reversing device 30 to connect the first connection port 301 of the second reversing device 30 with its third connection port 303, and the second connection port 302 and the fourth connection port 304 are electrically connected.

The circulation path of the fresh air in the dehumidification mode is as follows: the outdoor air inlet OA, the first connection port 301 of the second reversing device 30, the third connection port 303 of the second reversing device 30, the first heat exchange chamber 11 (internal heat exchanger). (the heater is an evaporator), the third connection port 203 of the first reversing device 20, the first connection port 201 of the first reversing device 20, and the indoor air supply port SA.

The refrigerant in the first heat exchanger 13 (evaporator) absorbs the heat in the air. When the fresh air flows through the evaporator, the moisture in the air condenses into water droplets and is absorbed by the adsorption member 100 of the evaporator. The fresh air is dried and then passes through the room. The air supply outlet SA delivers the air to the room.

The circulation path of the dirty air in the dehumidification mode is as follows: the indoor return air outlet RA, the fourth connection port 304 of the second reversing device 30, the second connection port 302 of the second reversing device 30, the second heat exchange chamber 12 (internal The heat exchanger is a condenser), the second connection port 202 of the first reversing device 20, the fourth connection port 204 of the first reversing device 20, and the outdoor air outlet EA.

The refrigerant in the second heat exchanger 14 (condenser) releases heat to the surrounding air. When the dirty air flows through the condenser, the moisture in the adsorption member 100 of the condenser is evaporated, released into the dirty air, and discharged to the outside. .

When the adsorption member 100 located near the first heat exchanger 13 (evaporator) reaches saturation, the adsorption member 100 located near the second heat exchanger 14 (condenser) is dried at the same time. As shown in Figure 16, the controller 90 controls the first reversing device 20 and the second reversing device 30 to switch the communication state between the four connection ports, so that the fresh air flows through the second heat exchange chamber 12 and the dirty air flows through the first heat exchange chamber 11, and the control is performed simultaneously. The four-way valve is turned on or off to change the flow direction of the refrigerant, so that the second heat exchanger 14 is an evaporator and the first heat exchanger 13 is a condenser. The fresh air is dried by the adsorption member 100 close to the second heat exchanger 14 and then transported indoors.

When the first reversing device 20 and the second reversing device 30 switch the communication state between the four connection ports, the flow paths of the fresh air and dirty air are switched from the state in Figure 14 to the state in Figure 15 . As shown in Figure 15, after the first reversing device 20 and the second reversing device 30 switch the communication state between the four connection ports, the flow path of the fresh air is as follows: the outdoor air inlet OA, the third reversing device 30 A connection port 301, a second connection port 302 of the second reversing device 30, a second heat exchange chamber 12 (the internal heat exchanger is an evaporator), a second connection port 202 of the first reversing device 20, and a first reversing device 20. To the first connection port 201 of the device 20 and the indoor air outlet SA.

After the first reversing device 20 and the second reversing device 30 switch the communication state between the four connection ports, the circulation path of the dirty air is as follows: the indoor return air outlet RA, the fourth connection port 304 of the second reversing device 30, The third connection port 303 of the second reversing device 30 , the first heat exchange chamber 11 (the internal heat exchanger is a condenser), the third connection port 203 of the first reversing device 20 , the third connection port 203 of the first reversing device 20 Four-connection port 204, outdoor exhaust outlet EA.

As shown in Figures 2 and 16, the first heat exchanger 13 serves as an evaporator, and the second heat exchanger 14 serves as a condenser. The controller 90 controls the first connection port 301 and the second connection port 302 of the second reversing device 30 to be connected, and the third connection port 303 and the fourth connection port 304 of the second reversing device 30 to be connected. The third connection port 303 of the device 30 is connected to the first heat exchange chamber 11 where the first heat exchanger 13 is located, and the second connection port 302 of the second reversing device 30 is connected to the second heat exchange chamber 14 where the second heat exchanger 14 is located. Cavities 12 are connected.

The first connection port 201 of the first reversing device 20 is connected to its second connection port 202, and the third connection port 203 of the first reversing device 20 is connected to its fourth connection port 204. The third connection port 203 of the first reversing device 20 is connected to the first heat exchange chamber 11 where the first heat exchanger 13 is located, and the second connection port 202 of the first reversing device 20 is connected to the first heat exchange chamber 11 where the second heat exchanger 14 is located. The second heat exchange chamber 12 is connected.

The circulation path of fresh air in the humidification mode is as follows: outdoor air inlet OA, first connection port 301 of the second reversing device 30, second connection port 302 of the second reversing device 30, second heat exchange chamber 12 (internal heat exchanger). The heater is a condenser), the second connection port 202 of the first reversing device 20, the first connection port 201 of the first reversing device 20, and the indoor air supply port SA.

The refrigerant in the second heat exchanger 14 (condenser) releases heat to the surrounding air. When the fresh air flows through the condenser, the moisture in the adsorption member 100 located on one side of the condenser is evaporated and released into the fresh air. The fresh air flow is delivered indoors to humidify the room.

The circulation path of the dirty air in the humidification mode is as follows: indoor return air outlet RA, the fourth connection port 304 of the second reversing device 30, the third connection port 303 of the second reversing device 30, the first heat exchange chamber 11 (internal The heat exchanger is an evaporator), the third connection port 203 of the first reversing device 20, the fourth connection port 204 of the first reversing device 30, and the outdoor air exhaust port EA.

The refrigerant in the first heat exchanger 13 (evaporator) absorbs the heat in the air. When the dirty air flows through the evaporator, the moisture in the air condenses into water droplets and is absorbed by the adsorption member 100 located on one side of the evaporator. The dirty air is After drying, it is discharged to the outside through the outdoor air outlet EA.

When the adsorption member 100 close to the second heat exchanger 14 (condenser) is dried, it loses its ability to release moisture. At this time, the controller 90 controls the first reversing device 20 and the second reversing device 30 to switch four connection ports. The communication state between the outdoor air inlet OA, the indoor air supply outlet SA and the first heat exchange chamber 11 is connected. At the same time, the first heat exchanger 13 is switched as a condenser, and the adsorption member 100 close to the first heat exchanger 13 continues. Release moisture to fresh air.

When the first reversing device 20 and the second reversing device 30 switch the communication state between the four connection ports, the flow paths of the fresh air and dirty air are switched from the state in Figure 16 to the state in Figure 17 . As shown in Figure 17, the circulation path of fresh air in humidification mode is as follows: outdoor air inlet OA, first connection port 301 of the second reversing device 30, third connection port 303 of the second reversing device 30, first reversing device 30, The heat chamber 11 (the internal heat exchanger is a condenser), the third connection port 203 of the first reversing device 20, the first connection port 201 of the first reversing device 20, and the indoor air supply port SA.

The circulation path of dirty air in the humidification mode is as follows: indoor return air outlet RA, the fourth connection port 304 of the second reversing device 30, the second connection port 302 of the second reversing device 30, the second heat exchange chamber 12 (internal exchange chamber 12). (the heater is an evaporator), the second connection port 202 of the first reversing device 20, the fourth connection port 204 of the first reversing device 20, and the outdoor exhaust port EA.

In some embodiments, the operating modes of the air humidification device 1000 also include an internal circulation dehumidification mode and an internal circulation humidification mode.

When the outdoor air is polluted or there is no need for outdoor air to enter the room, the operating mode of the air humidity control device 1000 can be switched to the internal circulation dehumidification mode. As shown in Figure 18, the controller 90 controls the four-way valve to turn on or off to change the The flow direction of the refrigerant is such that the first heat exchanger 13 serves as a condenser and the second heat exchanger 14 serves as an evaporator.

The controller 90 controls the second connection port 302 of the second reversing device 30 to communicate with its fourth connection port, and controls the first connection port 301 of the second reversing device 30 to communicate with its third connection port 302 .

The controller 90 controls the first connection port 201 and the second connection port 202 of the first reversing device 20 to communicate, and controls the third connection port 203 and the fourth connection port 204 of the first reversing device 20 to communicate.

The circulation path of dirty air in the internal circulation dehumidification mode is: the indoor return air passes through the indoor return air outlet RA, the fourth connection port 304 of the second reversing device 30, the second connection port 302 of the second reversing device 30, the second reversing device 30, and the second reversing device 30. The heat chamber 12 (the internal heat exchanger is an evaporator), the second connection port 202 of the first reversing device 20, the first connection port 201 of the first reversing device 20, and the indoor air supply port SA.

The internal circulation humidification mode is similar to the internal circulation dehumidification mode and is implemented by the controller 90 controlling the first reversing device 20, the second reversing device 30 and the four-way valve, which will not be described again here.

As shown in Figure 19, the humidity control method of the air humidity control device 1000 is as follows:

In step S1, the controller 90 determines whether the moisture in the adsorbent 100 is saturated. If not, step S2 is executed; if yes, step S3 is executed.

Step S2: The air humidity control device 1000 runs for the first preset time and returns to step S1.

In step S3, the controller 90 controls the first reversing device 20 and the second reversing device 30 to switch the connection status between the four connection ports to change the flow direction of the air flow, and controls the four-way valve 50 to turn on or off, thereby changing the refrigerant. flow direction.

In some embodiments, the air humidity control device 1000 further includes a first detection device 120 coupled with the controller 90 . The first detection device 120 is configured to detect the moisture content in the adsorbent 100 and output Moisture content. As shown in Figure 20, step S1 includes step S11 and step S12.

In step S11, the controller 90 obtains the moisture content.

In step S12, the controller 90 determines whether the moisture content in the adsorption member 100 is greater than or equal to the first preset moisture content, or whether the moisture content in the adsorption member 100 is less than or equal to the second preset moisture content. If not, step S2 is performed. ; If yes, execute step S3. It should be noted that the first preset moisture content is smaller than the second preset moisture content.

In step S12, the controller 90 controls the first reversing device 20 or the second reversing device 30 to switch the communication state between the four connection ports according to the moisture content of the adsorbent 100 to change the direction of the air flow, and controls the four-way The valve 50 is turned on or off, thereby changing the flow direction of the refrigerant, and the control accuracy is high.

In some embodiments, as shown in Figure 21, when the operating mode of the air humidity control device 1000 is the dehumidification mode, step S1 further includes step S13 and step S14.

Step S13, the controller 90 obtains the operating time of the air humidification device 1000 in the dehumidification mode;

In step S14, the controller 90 determines whether the operating time of the air humidification device 1000 in the dehumidification mode is greater than or equal to the second preset time; if not, execute step S2; if yes, execute step S3.

The second preset time T is obtained by calculating the time required for the adsorption member 100 on one side of the evaporator to be saturated based on the dehumidification speed. The time required for the adsorption member 100 to be saturated is the second preset time. The dehumidification speed can be calculated based on the moisture content of the indoor air and the moisture content of the outdoor air, that is, the moisture mass Wa absorbed by the adsorbent 100 per second. Calculated as follows:

Wi＝G×(dw-dn)/3600g/s;

T=Wa/Wi;

In the formula, Wi is the dehumidification speed, G is the fresh air volume delivered by the air humidity control device; dw is the moisture content of the outdoor air; dn is the moisture content of the indoor air.

In step S14, the first reversing device 20 or the second reversing device 30 is controlled to switch the communication state between the four connection ports to change the flow direction of the air flow by determining the operating time of the air humidification device 1000 in the humidification mode. The four-way valve 50 is turned on or off, thereby changing the flow direction of the refrigerant. The control logic is simple and the response speed is fast.

In some embodiments, the air humidity control device 1000 further includes a second detection device 130. The second detection device 130 is coupled to the controller 90. The second detection device 130 is configured to detect the moisture content at the indoor air supply outlet, and Output the moisture content at the indoor air supply outlet. As shown in Fig. 22, when the operating mode of the air humidity control device 1000 is the humidification mode, step S1 includes steps S15 to S17.

In step S15, the controller 90 obtains the moisture content at the indoor air supply outlet every third preset time.

For example, the third preset time is 1 minute.

Step S16: Calculate the absolute value of the difference in moisture content between two adjacent moments.

In step S17, the controller 90 determines whether the difference in moisture content between two adjacent moments is less than or equal to the preset moisture content difference. If not, step S2 is executed; if yes, step S3 is executed. When the difference in moisture content between two adjacent moments is less than or equal to the preset moisture content difference, it means that the change in moisture content at the indoor air supply outlet is getting smaller and smaller, approaching stability; at the same time, it means that the moisture content in the adsorption member 100 The water is about to be completely evaporated. At this time, the controller 90 controls the first reversing device 20 or the second reversing device 30 to switch the communication status between the four connection ports to change the direction of the air flow, and controls the four-way valve 50 to turn on or off. Open, thus changing the flow direction of the refrigerant.

When the first reversing device 20 or the second reversing device 30 includes the valve plate 205, the controller 90 controls the first reversing device 20 or the second reversing device 30 as follows:

The controller 90 obtains the operating mode of the air humidifying device 1000 and the current position of the valve plate 205 every fourth preset time; the controller 90 determines whether the current position of the valve plate 205 matches the operating mode of the air humidifying device 1000. When When the current position of the valve plate 205 does not match the operating mode of the air humidification device 1000, the valve plate 205 is controlled to rotate to switch the communication state between the four connection ports of the first reversing device 20 or the second reversing device 30, Thereby changing the direction of airflow.

When the first reversing device 20 or the second reversing device 30 includes the baffle frame 2111, the method for the controller 90 to control the first reversing device 20 or the second reversing device 30 is as follows:

The controller 90 acquires the operating mode of the air humidifying device 1000 and the current position of the baffle frame 2111 every fourth preset time; the controller 90 determines whether the current position of the baffle frame 2111 matches the operating mode of the air humidifying device 1000. When When the current position of the baffle frame 2111 does not match the operating mode of the air humidification device 1000, the motion of the baffle frame 2111 is controlled to switch the communication state between the four connection ports of the first reversing device 20 or the second reversing device 30, Thereby changing the direction of airflow.

The controller 90 can control one of the first reversing device 20 and the second reversing device 30 to switch the communication status between the four connection ports, or control the first reversing device 20 and the second reversing device 30 to switch the four connection ports simultaneously. The connectivity status between the connection ports.

Those skilled in the art will understand that the disclosed scope of the present invention is not limited to the specific embodiments described above, and that certain elements of the embodiments may be modified and replaced without departing from the spirit of the application. The scope of the application is limited by the appended claims.

Claims (20)

1. An air humidity control device, including:

   The first housing has an outdoor air inlet, an outdoor air exhaust outlet, an indoor air supply outlet and an indoor air return outlet;

   A partition, disposed in the first housing, which divides the interior of the first housing into a first heat exchange chamber and a second heat exchange chamber;

   A first heat exchanger is arranged in the first heat exchange cavity;

   a second heat exchanger, arranged in the second heat exchange cavity;

   a compressor configured to compress refrigerant;

   An expansion valve configured to regulate the flow of the refrigerant, the compressor, the first heat exchanger, the expansion valve and the second heat exchanger are connected in sequence to form a refrigerant circuit, the first One of the heat exchanger and the second heat exchanger serves as a condenser, and the other of the first heat exchanger and the second heat exchanger serves as an evaporator;

   A four-way valve, connected to the refrigerant circuit and configured to switch the flow direction of the refrigerant in the refrigerant circuit;

   A plurality of adsorption members disposed on the surfaces of the plurality of heat exchangers, the plurality of adsorption members being configured to adsorb moisture in the surrounding air when it is cold and to release the adsorbed moisture when it is heated;

   A first reversing device is provided in the first housing. The first reversing device has four connection ports. The four connection ports of the first reversing device are respectively connected to the outdoor exhaust outlet and the The indoor air supply outlet, the first heat exchange chamber and the second heat exchange chamber are connected;

   A second reversing device is provided in the first housing. The first reversing device has four connection ports. The four connection ports of the second reversing device are respectively connected to the outdoor air inlet and the outdoor air inlet. The indoor return air outlet, the first heat exchange chamber and the second heat exchange chamber are connected, and the first reversing device or the second reversing device is configured to switch the communication between the four connection ports. state, so that the outdoor air inlet and the indoor air supply port are connected to one of the first heat exchange chamber and the second heat exchange chamber, and the indoor return air port and the outdoor air exhaust port are connected to the The first heat exchange chamber is connected to the other one of the second heat exchange chambers; and

   A controller coupled to the first reversing device, the second reversing device and the four-way valve, the controller being configured to control the first reversing device or the second reversing device The device switches the communication status between the four connection ports to change the flow direction of the air flow, and controls the four-way valve to be on or off to change the flow direction of the refrigerant.
2. The air humidity control device according to claim 1, wherein the first reversing device or the second reversing device includes:

   A first side plate, a second side plate, a fourth side plate and a third side plate are connected in sequence, and the four side plates are opposite each other and surround a valve cavity to allow airflow to flow in the valve cavity; and

   A plurality of cover plates are arranged oppositely and cover the valve chamber.
3. The air humidity control device according to claim 2, wherein the four connection ports are a first connection port, a second connection port, a third connection port and a fourth connection port respectively, and the first connection port is located at the On the first side plate, the fourth connection port is located on the fourth side plate, and the second connection port and the third connection port are located on one of the plurality of cover plates, so The second connection port and the third connection port are arranged in a connecting direction perpendicular to the first connection port and the fourth connection port, so that the air flows to the second connection port or the third connection port. flow.
4. The air humidity control device according to claim 2, wherein the first reversing device or the second reversing device further includes:

   a barrier portion disposed in the valve cavity; and

   A driving device is connected to the baffle part and the controller, and the controller is further configured to control the driving device to drive the baffle part to move to move the outdoor air inlet and the indoor air supply outlet. The indoor return air outlet and the outdoor air exhaust outlet are connected to one of the first heat exchange cavity and the second heat exchange cavity. One is connected to allow the air flow to flow toward the first heat exchange chamber or the second heat exchange chamber.
5. The air humidity control device according to claim 4, wherein the barrier part includes:

   Baffle frame, the side walls of the baffle frame are perpendicular to the plurality of cover plates, and the plurality of cover plates are closed on opposite sides of the baffle frame. The baffle frame separates the valve chamber into parts located at There are two spaces inside the baffle frame and outside the baffle frame. The side of the baffle frame close to the first connection port or the fourth connection port has a communication port to allow air to flow to the inside or outside of the baffle frame. The flow outside the baffle frame;

   One of the second connection port and the third connection port is located inside the baffle frame, the other of the second connection port and the third connection port is located outside the baffle frame, and the communication port is connected to the baffle frame. The first connection port or the fourth connection port are connected.
6. The air humidity control device according to claim 5, wherein the driving device is a motor;

   The barrier also includes:

   a gear connected to the output shaft of the motor; and

   The rack is connected to the baffle frame, the rack meshes with the gear, and the extending direction of the rack is parallel to the connecting direction of the second connection port and the third connection port, so that the The gear moves along the direction connecting the second connection port and the third connection port.
7. The air humidity control device according to claim 2, wherein the first reversing device or the second reversing device includes:

   A valve plate is disposed in the valve chamber and divides the valve chamber into two spaces. The valve plate is configured to rotate in the valve chamber so that the first connection port and the third connection port are connected to each other. Three connection ports are connected, the second connection port is connected to the fourth connection port, or the first connection port is connected to the second connection port, and the third connection port is connected to the fourth connection port. .
8. The air humidity control device according to claim 7, wherein the rotation axis of the valve plate is located on the central axis of the valve plate;

   The first side plate and the fourth side plate have arcuate surfaces, and the axial direction of the arcuate surfaces of the first side plate and the fourth side plate is perpendicular to the plurality of cover plates. The opposite sides rotate along the arc surfaces of the first side plate and the fourth side plate.
9. The air humidity control device according to claim 7, wherein the controller is further configured to:

   According to the operating mode of the air humidity control device, the rotation direction of the valve plate is controlled so that the first connection port and the third connection port are connected, and the second connection port and the fourth connection port are connected. Communicated, or the first connection port is connected with the second connection port, and the third connection port is connected with the fourth connection port.
10. The air humidity control device according to claim 1, further comprising:

    a second housing, in which the compressor, the four-way valve and the expansion valve are disposed; and

    A hooking part is provided on the second housing, and the second housing is hooked on the first housing through the hooking part.
11. The air humidity control device according to claim 10, wherein

    Two of the four ports of the four-way valve are connected to the air inlet and exhaust port of the compressor;

    The air humidity control device also includes:

    The first stop valve and the second stop valve are connected to the other two ports of the four ports of the four-way valve; and

    a first connecting pipe and a second connecting pipe, the first stop valve is connected to one of the first heat exchanger and the second heat exchanger through the first connecting pipe, the second stop valve The second heat exchanger is connected to the other one of the first heat exchanger and the second heat exchanger through the second connecting pipe.
12. The air humidity control device according to claim 11, wherein the side wall of the second housing is provided with a pipe hole and a heat dissipation hole, and the first connecting pipe and the second connecting pipe pass through the pipe hole. Entering the first housing, the heat dissipation holes are connected with the inside of the second housing to dissipate heat from the compressor.
13. The air humidity control device according to claim 1, further comprising:

    An exhaust fan is provided on a side of the first housing close to the outdoor air outlet, and is used to exhaust air to the outside through the outdoor air outlet; and

    An air blower is provided on a side of the first housing close to the indoor air supply outlet, and is used to supply air to the room through the indoor air supply outlet.
14. The air humidity control device according to claim 1, wherein the controller is further configured to:

    The first reversing device or the second reversing device is controlled to switch the communication state between the four connection ports to connect the outdoor air inlet, the indoor air supply port and the reversing area where the evaporator is located. The heat cavity is connected, and the indoor return air outlet, the outdoor air exhaust outlet and the heat exchange cavity where the condenser is located are connected, thereby reducing the humidity of indoor air.
15. The air humidity control device according to claim 1, wherein the controller is further configured to:

    The first reversing device or the second reversing device is controlled to switch the communication state between the four connection ports to connect the outdoor air inlet, the indoor air supply port and the exchanger where the condenser is located. The heat cavity is connected, and the indoor return air outlet, the outdoor air exhaust outlet and the heat exchange cavity where the evaporator is located are connected, thereby increasing the humidity of the indoor air.
16. The air humidity control device according to claim 1, wherein the controller is further configured to:

    When the air humidity control device runs for the first preset time, determine whether the moisture in the adsorption member is saturated;

    When it is determined that the moisture in the adsorption member is saturated, the first reversing device or the second reversing device is controlled to switch the communication state between the four connection ports to change the outdoor air inlet, the The heat exchange chamber connected to the indoor air supply port is connected, and the four-way valve is controlled to be turned on or off to change the flow direction of the refrigerant.
17. The air humidity control device according to claim 1, further comprising:

    A first detection device coupled to the controller, the first detection device is configured to detect the moisture content in the adsorption member and output the moisture content; wherein,

    The controller is also configured to:

    obtain said moisture content;

    When the moisture content in the adsorption member is greater than or equal to the first preset moisture content, or the moisture content in the adsorption member is less than or equal to the second preset moisture content, the first reversing device or the first reversing device is controlled. The second reversing device switches the communication status between the four connection ports to change the heat exchange chamber connected to the outdoor air inlet and the indoor air supply port, and controls the four-way valve to be on or off. , to change the flow direction of the refrigerant, and the first preset moisture content is smaller than the second preset moisture content.
18. The air humidity control device according to claim 1, wherein the controller is further configured to:

    When the air humidity control device operates to reduce the humidity of indoor air, and the operating time is greater than or equal to the second preset time, the first reversing device or the second reversing device is controlled to switch the four connections. The communication state between the ports is used to change the heat exchange cavity connected to the outdoor air inlet and the indoor air supply port, and the four-way valve is controlled to be on or off to change the flow direction of the refrigerant.
19. The air humidity control device according to claim 18, wherein the controller is further configured to:

    The dehumidification speed is obtained according to the moisture content of the indoor air and the moisture content of the outdoor air;

    The time required for the adsorbent on the evaporator surface to be saturated is obtained according to the dehumidification speed, and the time required for the adsorbent on the evaporator surface to be saturated is the second preset time.
20. The air humidity control device according to claim 1, further comprising:

    A second detection device is coupled to the controller and configured to detect the moisture content at the indoor air supply outlet and output the moisture content at the indoor air supply outlet; wherein,

    The controller is also configured to:

    Obtain the moisture content at the indoor air supply outlet every third preset time;

    Calculate the absolute value of the difference in moisture content at the indoor air supply outlet at two adjacent moments;

    When the absolute value of the difference is less than or equal to the preset moisture content difference, the first reversing device or the second reversing device is controlled to switch the communication state between the four connection ports to Change the heat exchange cavity connected to the outdoor air inlet and the indoor air supply outlet, and control the four-way valve to be on or off to change the flow direction of the refrigerant.

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