CN118129232A

CN118129232A - Fresh air dehumidifier control method and device, storage medium and fresh air dehumidifier

Info

Publication number: CN118129232A
Application number: CN202211538242.7A
Authority: CN
Inventors: 李金波; 高卓贤; 徐振坤; 谭秋晖; 杜顺开; 黄招彬; 喻广南
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2024-06-04

Abstract

The invention discloses a fresh air dehumidifier control method and device, a storage medium and a fresh air dehumidifier, and belongs to the technical field of fresh air fans. The invention obtains the current fresh air temperature and the current fresh air humidity; determining a temperature demand according to the current fresh air temperature and the set temperature; determining a humidity demand according to the current fresh air humidity and the set humidity; and according to the temperature demand and the humidity demand, the operation of the fresh air dehumidifier is controlled, and the operation mode of the fresh air dehumidifier can be intelligently adjusted according to the temperature demand and the humidity demand, so that the fresh air dehumidifier can operate according to a correct mode based on the fresh air temperature and humidity, and the user experience is improved.

Description

Fresh air dehumidifier control method and device, storage medium and fresh air dehumidifier

Technical Field

The invention relates to the technical field of fresh air fans, in particular to a fresh air dehumidifier control method and device, a storage medium and a fresh air dehumidifier.

Background

The intelligent mode of the traditional fresh air dehumidifier only determines a refrigerating and heating mode through temperature, or determines a dehumidifying and humidifying mode through humidity. The method for comprehensively judging the operation mode through the indoor and outdoor humiture is not provided. The existing fresh air dehumidifier is not intelligent enough, and the operation mode is required to be switched by a user when changing seasons, so that the existing fresh air dehumidifier is not simple and friendly to the user, and cannot be completely, efficiently and automatically switched to the correct operation mode.

The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.

Disclosure of Invention

The invention mainly aims to provide a fresh air dehumidifier control, and aims to solve the technical problem that the prior art cannot be completely and efficiently automatically switched to a correct operation mode.

In order to achieve the above purpose, the invention provides a fresh air dehumidifier control method, which comprises the following steps:

Acquiring the current fresh air temperature and the current fresh air humidity;

Determining a temperature demand according to the current fresh air temperature and the set temperature;

determining a humidity demand according to the current fresh air humidity and the set humidity; and

And controlling the fresh air dehumidifier to operate according to the temperature requirement and the humidity requirement.

Optionally, the determining the temperature requirement according to the current fresh air temperature and the set temperature includes:

Comparing the current fresh air temperature with a set temperature, and calculating a temperature difference value between the current fresh air temperature and the set temperature; and

And determining the temperature requirement according to the comparison result and the temperature difference value.

Optionally, the determining a temperature requirement according to the comparison result and the temperature difference value includes:

when the temperature difference is larger than a preset temperature difference threshold value and the current fresh air temperature is larger than the set temperature, determining that the temperature requirement is a cooling requirement;

when the temperature difference is larger than a preset temperature difference threshold value and the current fresh air temperature is smaller than the set temperature, determining that the temperature requirement is a heating requirement;

when the temperature difference value is smaller than or equal to a preset temperature difference threshold value, acquiring the current indoor temperature; and

And determining a temperature requirement according to the current indoor temperature and the set temperature.

Optionally, the determining a temperature requirement according to the current indoor temperature and the set temperature includes:

comparing the current indoor temperature with a set temperature, and calculating a temperature difference between the current indoor temperature and the set temperature;

when the temperature difference is larger than a preset temperature difference threshold value and the current indoor temperature is larger than the set temperature, determining that the temperature requirement is a cooling requirement;

When the temperature difference is larger than a preset temperature difference threshold value and the current indoor temperature is smaller than the set temperature, determining that the temperature requirement is a heating requirement; and

And when the temperature difference value is smaller than or equal to a preset temperature difference threshold value, determining that the temperature requirement is a constant temperature requirement.

Optionally, the determining the humidity requirement according to the current fresh air humidity and the set humidity includes:

Comparing the current fresh air humidity with a set humidity, and calculating a humidity difference between the current fresh air humidity and the set humidity; and

And determining the humidity demand according to the comparison result and the humidity difference value.

Optionally, the determining the humidity requirement according to the comparison result and the humidity difference value includes:

when the humidity difference value is larger than a preset humidity difference threshold value and the current fresh air humidity is larger than the set humidity, determining that the humidity requirement is a dehumidification requirement;

when the humidity difference value is larger than a preset humidity difference threshold value and the current fresh air humidity is smaller than the set humidity, determining that the humidity requirement is a humidification requirement;

When the humidity difference value is smaller than or equal to a preset humidity difference threshold value, acquiring the current indoor humidity; and

And determining the humidity demand according to the current indoor humidity and the set humidity.

Optionally, the determining the humidity requirement according to the current indoor humidity and the set humidity includes:

comparing the current indoor humidity with a set humidity, and calculating a humidity difference between the current indoor humidity and the set humidity;

when the humidity difference value is larger than a preset humidity difference threshold value and the current indoor humidity is larger than the set humidity, determining that the humidity requirement is a dehumidification requirement;

When the humidity difference value is larger than a preset humidity difference threshold value and the current indoor humidity is smaller than the set humidity, determining that the humidity requirement is a humidification requirement; and

And when the humidity difference value is smaller than or equal to a preset humidity difference threshold value, determining that the humidity requirement is a non-humidity control requirement.

Optionally, the fresh air dehumidifier includes air supply channel, first heat transfer system, second heat transfer system and humidification device, first heat transfer system is including setting up air supply channel's first heat transfer unit, second heat transfer system is including setting up air supply channel's second heat transfer unit, the mode of operation of fresh air dehumidifier is by first heat transfer unit second heat transfer unit with humidification device's state decides, according to temperature demand with humidity demand control fresh air dehumidifier operation includes:

Determining a target operation mode of the fresh air dehumidifier according to the temperature requirement and the humidity requirement;

And controlling the fresh air dehumidifier to operate according to the target operation mode.

In addition, in order to achieve the above object, the present invention also provides a fresh air dehumidifier control device, the fresh air dehumidifier control device comprising:

The acquisition module is used for acquiring the current fresh air temperature and the current fresh air humidity;

The judging module is used for determining the temperature requirement according to the current fresh air temperature and the set temperature;

The judging module is also used for determining the humidity requirement according to the current fresh air humidity and the set humidity; and

And the control module is used for controlling the fresh air dehumidifier to operate according to the temperature requirement and the humidity requirement.

In addition, in order to achieve the above object, the present invention also provides a fresh air dehumidifier, which includes: the system comprises a memory, a processor and a fresh air dehumidifier control program stored on the memory and running on the processor, wherein the fresh air dehumidifier control program is configured to realize the fresh air dehumidifier control method.

In addition, in order to achieve the above object, the present invention also provides a storage medium, on which a fresh air dehumidifier control program is stored, which when executed by a processor, implements the fresh air dehumidifier control method as described above.

The invention obtains the current fresh air temperature and the current fresh air humidity; determining a temperature demand according to the current fresh air temperature and the set temperature; determining a humidity demand according to the current fresh air humidity and the set humidity; and according to the temperature demand and the humidity demand, the operation of the fresh air dehumidifier is controlled, and the operation mode of the fresh air dehumidifier can be intelligently adjusted according to the temperature demand and the humidity demand, so that the fresh air dehumidifier can operate according to a correct mode based on the fresh air temperature and humidity, and the user experience is improved.

Drawings

FIG. 1 is a schematic structural diagram of a fresh air dehumidifier in a hardware operating environment according to an embodiment of the present invention;

FIG. 2 is a schematic flow chart of a first embodiment of a method for controlling a fresh air dehumidifier according to the present invention;

FIG. 3 is a schematic diagram of a fresh air dehumidifier according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a fresh air dehumidifier according to an embodiment of the control method of the fresh air dehumidifier of the present invention;

FIG. 5 is a schematic flow chart of a second embodiment of a method for controlling a fresh air dehumidifier of the present invention;

FIG. 6 is a schematic flow chart of a third embodiment of a method for controlling a fresh air dehumidifier of the present invention;

Fig. 7 is a block diagram of a first embodiment of a control device for a fresh air dehumidifier according to the present invention.

Description of the reference numerals

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a fresh air dehumidifier in a hardware operation environment according to an embodiment of the present invention.

As shown in fig. 1, the fresh air dehumidifier may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) Memory or a stable Non-Volatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.

It will be appreciated by those skilled in the art that the configuration shown in FIG. 1 is not limiting and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.

As shown in fig. 1, an operating system, a network communication module, a user interface module, and a fresh air dehumidifier control program may be included in the memory 1005 as one type of storage medium.

In the fresh air dehumidifier shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the fresh air dehumidifier of the present invention may be disposed in the fresh air dehumidifier, and the fresh air dehumidifier invokes the fresh air dehumidifier control program stored in the memory 1005 through the processor 1001, and executes the fresh air dehumidifier control method provided by the embodiment of the present invention.

The embodiment of the invention provides a fresh air dehumidifier control method, and referring to fig. 2, fig. 2 is a flow chart of a first embodiment of the fresh air dehumidifier control method.

In this embodiment, the method for controlling the fresh air dehumidifier includes the following steps:

step S10: and acquiring the current fresh air temperature and the current fresh air humidity.

In this embodiment, the fresh air dehumidifier is in the external circulation mode, at this time, the air exhaust valve disposed at the outlet of the air exhaust passage is opened, the air supply valve disposed at the inlet of the air supply passage is opened, and the bypass air valve connecting the air supply passage and the air exhaust passage is closed.

In this embodiment, the execution body of the embodiment may be the fresh air dehumidifier control device, where the fresh air dehumidifier control device has functions of data processing, data communication, program running, and the like, and the fresh air dehumidifier control device may be a controller inside the fresh air dehumidifier. Of course, other devices with similar functions may be used, and the implementation conditions are not limited thereto. For convenience of explanation, this embodiment will be described with reference to a fresh air dehumidifier control apparatus.

It should be noted that, the intelligent mode of the traditional fresh air dehumidifier only determines the cooling and heating modes through temperature, or determines the dehumidifying and humidifying modes through humidity. The method for comprehensively judging the operation mode through the indoor and outdoor humiture is not provided. The existing fresh air dehumidifier is not intelligent enough, and the operation mode is required to be switched by a user when changing seasons, so that the existing fresh air dehumidifier is not simple and friendly to the user, and cannot be completely, efficiently and automatically switched to the correct operation mode.

In order to solve the above problems, in this embodiment, the temperature requirement and the humidity requirement can be determined according to the fresh air temperature and humidity and the set temperature and humidity, and then the operation mode of the fresh air dehumidifier can be automatically adjusted according to the temperature requirement and the humidity requirement.

In a specific implementation, in this embodiment, a fresh air dehumidifier structure is first provided, as shown in fig. 3 and fig. 4. Fresh air equipment 100 includes casing and first heat transfer system 10, be equipped with air supply channel 4 in the casing, first heat transfer system 10 includes: the fresh air heat exchanger structure is positioned in the air supply channel 4 and is provided with a refrigerant pipeline; the first switching device is communicated with the fresh air heat exchanger structure and is used for switching the flow direction of the refrigerant in the fresh air heat exchanger structure; in different operation modes of the first heat exchange system 10, the refrigerant of the first heat exchange system 10 passes through the refrigerant pipeline located at the downstream of the air supply channel 4 and then passes through the refrigerant pipeline located at the upstream of the air supply channel 4. The air supply channel 4 is a channel through which the fresh air device 100 sends outdoor fresh air into the room, and the air exhaust channel 5 is a channel through which the fresh air device 100 discharges indoor air to the outside. The fresh air heat exchanger structure is arranged in the first refrigerant flow path, and the first heat exchange system 10 further comprises: the first compressor 11, the first heat exchange module 12 and the reversing device 3, wherein the first compressor 11 is arranged in the first refrigerant flow path and is provided with a first exhaust port and a first return port; the first heat exchange module 12 is disposed in the first refrigerant flow path and is in communication with the first switching device, the first heat exchange module 12 includes a first outdoor heat exchanger 35 and a heat recovery heat exchanger 36 which are disposed in series, the heat recovery heat exchanger 36 is disposed in the exhaust passage 5, the first outdoor heat exchanger 35 is disposed outside the housing (main housing), the first compressor 11 is mounted in the exhaust passage 5 or outside the housing (main housing), the heat recovery heat exchanger 36 is disposed in the exhaust passage 5, after heat exchange between the air in the exhaust passage 5 and the heat recovery heat exchanger 36 occurs, then the air is discharged from the air discharge channel 5, so that the heat of the air discharged from the air discharge channel 5 can be recovered; the reversing device 3 is connected to the first exhaust port, the first return port, the first heat exchange module 12 and the first switching device, and the reversing device 3 is used for switching the flow direction of the refrigerant, so that the refrigerant passes through the first heat exchange module 12 and then the first switching device, or so that the refrigerant passes through the first switching device and then passes through the first heat exchange module 12. In order to realize the reheat dehumidification function of the fresh air device 100, the fresh air heat exchanger structure comprises a first fresh air heat exchanger 13 and a second fresh air heat exchanger 14 which are sequentially connected in series; the first fresh air heat exchanger 13 is located at the downstream of the air supply channel 4 relative to the second fresh air heat exchanger 14, the outflow port 34 is connected to the first fresh air heat exchanger 13, and the inflow port 33 is connected to the second fresh air heat exchanger 14. In order to reduce control elements in the fresh air equipment 100 and promote stability of the fresh air equipment 100, the first switching device has a first communication port 31, a second communication port 32, an inflow port 33 and an outflow port 34, the fresh air heat exchanger structure communicates the outflow port 34 and the inflow port 33, the first switching device comprises: a first check valve 18, a second check valve 19, a third check valve 1, and a fourth check valve 2, the first check valve 18 being connected between the first communication port 31 and the inflow port 33, the first check valve 18 being in communication in a direction from the inflow port 33 to the first communication port 31; the second check valve 19 is connected between the first communication port 31 and the outflow port 34, and the second check valve 19 is communicated in the direction from the first communication port 31 to the outflow port 34; the third check valve 1 is connected between the inflow port 33 and the second communication port 32, and the third check valve 1 is communicated in the direction from the inflow port 33 to the second communication port 32; the fourth one-way valve 2 is connected between the outflow port 34 and the second communication port 32, and the fourth one-way valve 2 is conducted in the direction from the second communication port 32 to the outflow port 34, so that the first switching device is composed of one-way valves, and compared with the four-way valve or two three-way valve, no control element is needed, and the stability of the fresh air device 100 is higher.

The fresh air heat exchanger structure comprises a first fresh air heat exchanger 13 and a second fresh air heat exchanger 14 which are sequentially connected in series; the first fresh air heat exchanger 13 is located at the downstream of the air supply channel 4 relative to the second fresh air heat exchanger 14, the outflow port 34 is connected to the first fresh air heat exchanger 13, and the inflow port 33 is connected to the second fresh air heat exchanger 14.

The first heat exchange system 10 further includes a first throttling element 15 disposed on the first refrigerant flow path, the first throttling element 15 being located between the first heat exchange module 12 and the first switching device. The first heat exchange system 10 further includes a second throttling element 16, where the second throttling element 16 is disposed on a serial flow path between the first fresh air heat exchanger 13 and the second fresh air heat exchanger 14, so as to throttle the refrigerant flowing out of the first fresh air heat exchanger 13.

Further, the fresh air device 100 further includes a second heat exchange system 20, a second refrigerant flow path is formed on the second heat exchange system 20, the second heat exchange system 20 includes a second outdoor heat exchanger 21, a second compressor 27, a third fresh air heat exchanger 22 and a fourth fresh air heat exchanger 23 which are disposed in the second refrigerant flow path, the third fresh air heat exchanger 22 and the fourth fresh air heat exchanger 23 are disposed in the air supply channel 4, and at this time, the second outdoor heat exchanger 21 and the second compression/27 may also be disposed in the air exhaust channel 5, so that the fresh air device 100 does not need an outdoor unit at all, and saves positions.

The second heat exchange system 20 further includes a second switching device, configured to switch the second outdoor heat exchanger 21 to be connected to the third fresh air heat exchanger 22 or to be simultaneously connected to the third fresh air heat exchanger 22 and the fourth fresh air heat exchanger 23. The second switching device comprises a fourth throttling element 24 and a fifth one-way valve 25 (the fifth one-way valve 25 can be replaced by an electromagnetic valve), and the fourth throttling element 24 is arranged on the second refrigerant flow path and is positioned between the third fresh air heat exchanger 22 and the fourth fresh air heat exchanger 23; the fifth check valve 25 is connected in parallel with the third fresh air heat exchanger 22 and the fourth throttling element 24, and the conducting direction of the fifth check valve 25 is from the fourth fresh air heat exchanger 23 to the second outdoor heat exchanger 21.

So set up, two sets of heat transfer systems exist two evaporators in air supply passageway, have two evaporating temperature, and the upper reaches is higher than low reaches evaporating temperature, and two-stage evaporation refrigeration has promoted the energy consumption greatly in one-level evaporation refrigeration's scheme compared. And the upstream heat exchange system can preheat or precool air first and then exchange heat through the downstream heat exchange system, so that the air outlet temperature can be effectively reduced in a refrigeration mode and the air outlet temperature can be improved in a heating mode. Of course, the heat exchange system at the upstream may cool the air, and the heat exchange system at the downstream may heat the air, thereby realizing the reheat dehumidification function.

Because the first heat exchange system 10 and the second heat exchange system 20 coexist, two outdoor units are often required to be arranged on the first heat exchange system 10 and the second heat exchange system 20, so that the two outdoor units are installed to occupy two outdoor units, occupy too many positions, and are installed, the workload of installation is also large, therefore, the shell comprises a main machine shell and an outdoor unit shell, the main machine shell is internally provided with the air supply channel 4 and the air exhaust channel 5, the first heat exchange system 10 also comprises a first compressor 11 and a first heat exchange module 12, the first heat exchange module 12 comprises a first outdoor heat exchanger 35 and a heat recovery heat exchanger which are arranged in series, the heat recovery heat exchanger is arranged in the air exhaust channel 5, the fourth heat exchanger 23 is arranged in the air supply channel 4, the first compressor 11, the first outdoor heat exchanger 35, the second compressor 27, the second outdoor heat exchanger 21 and the outdoor fan 37 are all arranged in the outdoor housing, so that the heat recovery heat exchanger 36 is arranged in the exhaust passage 5, the fourth fresh air heat exchanger 23 is arranged in the air supply passage 4, the first compressor 11, the first outdoor heat exchanger 35, the second compressor 27, the second outdoor heat exchanger 21 and the outdoor fan 37 are all arranged in the outdoor housing, part of the parts of the outdoor unit is arranged in the exhaust passage 5, the rest of the parts are arranged in the housing of the outdoor unit, and the requirements of the first heat exchange system 10 and the second heat exchange system 20 can be met only by arranging one outdoor unit, so that the occupied positions of the outdoor unit are reduced, and the workload of the outdoor unit installation is reduced.

In specific implementation, the embodiment can obtain current fresh air temperature and current fresh air humidity through setting up the sensor in the fresh air dehumidifier, and current fresh air temperature and current fresh air humidity's size directly influence user's travelling comfort.

Step S20: and determining the temperature requirement according to the current fresh air temperature and the set temperature.

Step S30: and determining the humidity demand according to the current fresh air humidity and the set humidity.

In a specific implementation, the set temperature and the set humidity are comfort temperature and humidity set by a user, and in this embodiment, the current fresh air temperature and the set temperature can be compared, and meanwhile, the current fresh air humidity and the set humidity are compared, so that the temperature requirement and the humidity requirement are determined through comparison.

Step S40: and controlling the fresh air dehumidifier to operate according to the temperature requirement and the humidity requirement.

In a specific implementation, when determining the temperature requirement and the humidity requirement, in this embodiment, an operation mode may be determined according to the temperature requirement and the humidity requirement, and then the fresh air dehumidifier is controlled to operate according to the determined operation mode. For example, the temperature requirement is a cooling requirement, the humidity requirement is a dehumidifying requirement, it can be determined that the running mode at the moment should be a refrigeration dehumidifying mode, and the fresh air dehumidifier is controlled to run according to the refrigeration dehumidifying mode. In this embodiment, the temperature requirement includes a cooling requirement, a constant temperature requirement and a heating requirement, the humidity requirement includes a dehumidifying requirement, a non-humidity control requirement and a humidifying requirement, and nine operation modes can be combined through the above, and in this embodiment, the flow direction of the refrigerant in the fresh air dehumidifier is illustrated by taking fig. 3 as an example for the nine operation modes.

In a specific implementation, in this embodiment, a target operation mode of the fresh air dehumidifier may be determined according to a temperature requirement and a humidity requirement, and then the operation of the fresh air dehumidifier may be controlled according to the target operation mode. The temperature demand includes heating up demand, constant temperature demand or cooling down demand, and the humidity demand includes humidification demand, constant humidity demand and dehumidification demand, so can obtain the target operation mode of new trend dehumidifier including cooling down dehumidification mode, cooling down constant humidity mode, cooling down humidification mode, constant temperature dehumidification mode, constant temperature constant humidity mode, constant temperature humidification mode, heating up dehumidification mode, heating up constant humidity mode and heating up humidification mode, further explain to every mode in this embodiment.

The first heat exchange unit comprises a first fresh air heat exchanger and a second fresh air heat exchanger, and the second heat exchange unit comprises a third fresh air heat exchanger and a fourth fresh air heat exchanger. The humidification device is arranged at the downstream of the first heat exchange unit and the second heat exchange unit, when the humidity demand comprises the humidification demand, the humidification device is started to humidify, for example, the humidification device is started to humidify when the target operation mode of the fresh air dehumidifier is a cooling humidification mode, a constant temperature humidification mode or a heating humidification mode, and the humidification device is started to humidify when the humidification demand is not met.

In this embodiment, the indoor temperature is compared with the set temperature, and the indoor humidity is compared with the set humidity to determine the temperature requirement and the humidity requirement, so as to determine the target operation modes of the fresh air dehumidifier corresponding to different temperature and humidity conditions.

When the current indoor temperature is higher than the set temperature and the indoor humidity is higher than the set humidity, the target operation mode is a cooling and dehumidifying mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, high-temperature and high-pressure refrigerant is discharged from the first compressor 11, the high-temperature and high-pressure refrigerant sequentially flows through the reversing device 3 and the first heat exchange module 12, the throttle opening of the first throttling element 15 is reduced, the high-temperature and high-pressure refrigerant is converted into a low-temperature and low-pressure refrigerant through the first throttling element 15, the low-temperature and low-pressure refrigerant sequentially flows through the second one-way valve 19, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the third one-way valve 1, and finally returns to the first compressor 11, the second throttling element 16 does not throttle, and the first fresh air heat exchanger 13 and the second fresh air heat exchanger 14 at this time are evaporators to realize refrigeration. Meanwhile, in the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3 and the second outdoor heat exchanger 21 in sequence, reduces the throttle opening of the fifth throttling element 26, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the fifth throttling element 26, and flows through the second check valve 19, the fourth throttling element 24 and the fourth fresh air heat exchanger 23 in sequence, and finally returns to the second compressor 27, the fourth throttling element 24 does not throttle, and the second check valve 19 and the fourth fresh air heat exchanger 23 at this time are evaporators to realize refrigeration.

When the current indoor temperature is higher than the set temperature and the indoor humidity is close to the set humidity, the target operation mode is a cooling constant humidity mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, high-temperature and high-pressure refrigerant is discharged from the first compressor 11, the high-temperature and high-pressure refrigerant sequentially flows through the reversing device 3 and the first heat exchange module 12, the throttle opening of the first throttling element 15 is reduced, the high-temperature and high-pressure refrigerant is converted into a low-temperature and low-pressure refrigerant through the first throttling element 15, the low-temperature and low-pressure refrigerant sequentially flows through the second check valve 19, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the third check valve 1, and finally returns to the first compressor 11, the second throttling element 16 does not throttle, and the first fresh air heat exchanger 13 and the second fresh air heat exchanger 14 at this time are evaporators to realize refrigeration. Meanwhile, in the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3 and the second outdoor heat exchanger 21 in sequence, reduces the throttle opening of the fifth throttling element 26, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the fifth throttling element 26, and flows through the second check valve 19, the fourth throttling element 24 and the fourth fresh air heat exchanger 23 in sequence, and finally returns to the second compressor 27, the fourth throttling element 24 does not throttle, and the second check valve 19 and the fourth fresh air heat exchanger 23 at this time are evaporators to realize refrigeration.

When the current indoor temperature is higher than the set temperature and the indoor humidity is lower than the set humidity, the target operation mode is a cooling and humidifying mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, high-temperature and high-pressure refrigerant is discharged from the first compressor 11, flows through the reversing device 3 and the first heat exchange module 12 in sequence, the throttle opening of the first throttling element 15 is reduced, the high-temperature and high-pressure refrigerant is converted into low-temperature and low-pressure refrigerant through the first throttling element 15, the low-temperature and low-pressure refrigerant sequentially flows through the second check valve 19, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the third check valve 1, and finally returns to the first compressor 11, the second throttling element 16 does not throttle, and the first fresh air heat exchanger 13 and the second fresh air heat exchanger 14 at this time are evaporators to realize refrigeration. Meanwhile, in the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3 and the second outdoor heat exchanger 21 in sequence, reduces the throttle opening of the fifth throttling element 26, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the fifth throttling element 26, and flows through the second check valve 19, the fourth throttling element 24 and the fourth fresh air heat exchanger 23 in sequence, and finally returns to the second compressor 27, the fourth throttling element 24 does not throttle, and the second check valve 19 and the fourth fresh air heat exchanger 23 at this time are evaporators to realize refrigeration.

When the current indoor temperature is close to the set temperature and the current indoor humidity is higher than the set humidity, the target operation mode is a constant temperature dehumidification mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, in the first heat exchange system 10, a high-temperature and high-pressure refrigerant is discharged from the first compressor 11, the high-temperature and high-pressure refrigerant sequentially flows through the reversing device 3, the first heat exchange module 12, the first throttling element 15, the second one-way valve 19 and the first fresh air heat exchanger 13, the throttling opening of the second throttling element 16 is reduced, the high-temperature and high-pressure refrigerant is converted into a low-temperature and low-pressure refrigerant through the second throttling element 16, and the low-temperature and low-pressure refrigerant sequentially flows through the second fresh air heat exchanger 14, the third one-way valve 1 and the reversing device 3 and finally returns to the first compressor 11. In the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3, the second outdoor heat exchanger 21, the fifth throttling elements 26 and 22 in sequence, reduces the throttle opening of the fourth throttling element 24, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the fourth throttling element 24, flows through the fourth fresh air heat exchanger 23 and the reversing device 3 in sequence, and finally returns to the second compressor 27.

When the current indoor temperature is close to the set temperature and the current indoor humidity is close to the set humidity, the target operation mode is a constant temperature and constant humidity mode, and at this time, neither the first heat exchange system 10 nor the second heat exchange system 20 is operated.

When the current indoor temperature is close to the set temperature and the current indoor humidity is lower than the set humidity, the target operation mode is a constant temperature humidification mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, a high-temperature and high-pressure refrigerant is discharged from the first compressor 11, flows through the reversing device 3, the fourth one-way valve 2, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the first one-way valve 18 in sequence, reduces the throttling opening of the first throttling element 15, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the first throttling element 15, and the low-temperature and low-pressure refrigerant sequentially flows through the first heat exchange module 12 and the reversing device 3 and finally returns to the first compressor 11. In the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3, the fourth fresh air heat exchanger 23, the fifth check valve 25 and the fifth throttling element 26 in sequence, and is converted into a low-temperature and low-pressure refrigerant by the second outdoor heat exchanger 21, and finally returns to the second compressor 27.

When the indoor temperature is lower than the set temperature and the current indoor humidity is higher than the set humidity, the target operation mode is a temperature rising dehumidification mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, the high-temperature and high-pressure refrigerant is discharged from the first compressor 11, flows through the reversing device 3, the fourth one-way valve 2, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the first one-way valve 18 in sequence, reduces the throttling opening of the first throttling element 15, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the first throttling element 15, and the low-temperature and low-pressure refrigerant flows through the first heat exchange module 12 and the reversing device 3 in sequence and finally returns to the first compressor 11. In the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3, the second outdoor heat exchanger 21, the fifth throttling elements 26 and 22 in sequence, reduces the throttle opening of the fourth throttling element 24, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the fourth throttling element 24, flows through the fourth fresh air heat exchanger 23 and the reversing device 3 in sequence, and finally returns to the second compressor 27.

When the indoor temperature is lower than the set temperature and the current indoor humidity is close to the set humidity, the target operation mode is a temperature-increasing constant humidity mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, the high-temperature and high-pressure refrigerant is discharged from the first compressor 11, flows through the reversing device 3, the fourth one-way valve 2, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the first one-way valve 18 in sequence, reduces the throttling opening of the first throttling element 15, converts the high-temperature and high-pressure refrigerant into a low-temperature and low-pressure refrigerant through the first throttling element 15, and the low-temperature and low-pressure refrigerant flows through the first heat exchange module 12 and the reversing device 3 in sequence and finally returns to the first compressor 11. In the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3, the fourth fresh air heat exchanger 23, the fifth check valve 25 and the fifth throttling element 26 in sequence, and is converted into a low-temperature and low-pressure refrigerant by the second outdoor heat exchanger 21, and finally returns to the second compressor 27.

When the indoor temperature is lower than the set temperature and the current indoor humidity is lower than the set humidity, the target operation mode is a heating and humidifying mode, at this time, the first heat exchange system 10 and the second heat exchange system 20 are both in a working state, and in the first heat exchange system 10, the high-temperature and high-pressure refrigerant is discharged from the first compressor 11, flows through the reversing device 3, the fourth one-way valve 2, the first fresh air heat exchanger 13, the second throttling element 16, the second fresh air heat exchanger 14 and the first one-way valve 18 in sequence, the throttling opening of the first throttling element 15 is reduced, the high-temperature and high-pressure refrigerant is converted into a low-temperature and low-pressure refrigerant through the first throttling element 15, and the low-temperature and low-pressure refrigerant flows through the first heat exchange module 12 and the reversing device 3 in sequence and finally returns to the first compressor 11. In the second heat exchange system 20, the high-temperature and high-pressure refrigerant is discharged from the second compressor 27, flows through the reversing device 3, the fourth fresh air heat exchanger 23, the fifth check valve 25 and the fifth throttling element 26 in sequence, and is converted into a low-temperature and low-pressure refrigerant by the second outdoor heat exchanger 21, and finally returns to the second compressor 27.

The embodiment obtains the current fresh air temperature and the current fresh air humidity; determining a temperature demand according to the current fresh air temperature and the set temperature; determining a humidity demand according to the current fresh air humidity and the set humidity; and according to the temperature demand and the humidity demand, the operation of the fresh air dehumidifier is controlled, and the operation mode of the fresh air dehumidifier can be intelligently adjusted according to the temperature demand and the humidity demand, so that the fresh air dehumidifier can operate according to a correct mode based on the fresh air temperature and humidity, and the user experience is improved.

Referring to fig. 5, fig. 5 is a schematic flow chart of a second embodiment of a method for controlling a fresh air dehumidifier according to the present invention.

Based on the above first embodiment, in the method for controlling a fresh air dehumidifier of the present embodiment, the step S20 specifically includes:

step S201: and comparing the current fresh air temperature with the set temperature, and calculating a temperature difference value between the current fresh air temperature and the set temperature.

In a specific implementation, in this embodiment, the current fresh air temperature is compared with the set temperature, and a temperature difference between the fresh air temperature and the set temperature needs to be calculated.

Step S202: and determining the temperature requirement according to the comparison result and the temperature difference value.

In a specific implementation, after the temperature difference is obtained by calculation, in this embodiment, the temperature difference is compared with a preset temperature difference threshold, and if the temperature difference is greater than the preset temperature difference threshold, it is indicated that the temperature difference between the current fresh air temperature and the set temperature is greater. If the current fresh air temperature is greater than the set temperature, the temperature requirement at the moment is indicated to be the cooling requirement, and if the current fresh air temperature is less than the set temperature, the temperature requirement at the moment is indicated to be the heating requirement.

Further, if the temperature difference is smaller than or equal to the preset temperature difference threshold, it is indicated that the fresh air temperature at this time is close to the set temperature, in this case, the set temperature is further compared with the current indoor temperature and the difference is calculated, and then the temperature requirement is determined based on the comparison result and the difference.

If the temperature difference between the current indoor temperature and the set temperature is smaller than or equal to the preset temperature difference threshold, the current indoor temperature is close to the set temperature, and the temperature requirement at the moment can be determined to be a constant temperature requirement. If the temperature difference between the current indoor temperature and the set temperature is larger than the preset temperature difference threshold, the fact that the temperature difference between the current indoor temperature and the set temperature is larger is indicated, further, if the current indoor temperature is larger than the set temperature, the temperature requirement at the moment can be determined to be a temperature reduction requirement, and if the current indoor temperature is smaller than the set temperature, the temperature requirement at the moment can be determined to be a temperature rising requirement.

In the embodiment, the current fresh air temperature is compared with the set temperature, and the temperature difference between the current fresh air temperature and the set temperature is calculated; and determining the temperature requirement according to the comparison result and the temperature difference, comparing the current indoor temperature with the set temperature when the temperature difference is smaller than or equal to a preset temperature difference threshold, calculating the temperature difference between the current indoor temperature and the set temperature, and determining the temperature requirement according to the comparison result of the current indoor temperature and the set temperature and the temperature difference, so that the temperature requirement of a user can be determined more accurately, and the running mode of the fresh air dehumidifier is more in accordance with the user requirement.

Referring to fig. 6, fig. 6 is a schematic flow chart of a third embodiment of a method for controlling a fresh air dehumidifier according to the present invention.

Based on the above first embodiment, in the method for controlling a fresh air dehumidifier of the present embodiment, the step S30 specifically includes:

Step S301: and comparing the current fresh air humidity with the set humidity, and calculating a humidity difference value between the current fresh air humidity and the set humidity.

In a specific implementation, in this embodiment, the current fresh air humidity is compared with the set humidity, and a humidity difference between the fresh air humidity and the set humidity needs to be calculated.

Step S302: and determining the humidity demand according to the comparison result and the humidity difference value.

In a specific implementation, after the humidity difference is calculated, in this embodiment, the humidity difference is compared with a preset temperature difference threshold, if the humidity difference is greater than the preset temperature difference threshold, it is indicated that the temperature difference between the current fresh air humidity and the set humidity is greater, and in this case, the humidity requirement is further determined based on the magnitude relation between the current fresh air humidity and the set humidity. If the current fresh air humidity is greater than the set humidity, the humidity requirement at the moment is indicated to be the cooling requirement, and if the current fresh air humidity is less than the set humidity, the humidity requirement at the moment is indicated to be the heating requirement.

Further, if the humidity difference is smaller than or equal to the preset temperature difference threshold, it is indicated that the fresh air humidity at this time is close to the set humidity, in this case, the set humidity is further compared with the current indoor humidity and the difference is calculated, and then the humidity requirement is determined based on the comparison result and the difference.

If the humidity difference between the current indoor humidity and the set humidity is smaller than or equal to the preset temperature difference threshold, the current indoor humidity is close to the set temperature, and the humidity requirement at the moment can be determined to be the non-temperature control requirement. If the difference between the current indoor humidity and the set humidity is larger than the preset temperature difference threshold, the fact that the difference between the current indoor humidity and the set humidity is larger is indicated, further, if the current indoor humidity is larger than the set humidity, the humidity requirement at the moment can be determined to be the cooling requirement, and if the current indoor humidity is smaller than the set humidity, the humidity requirement at the moment can be determined to be the heating requirement.

In the embodiment, the current fresh air humidity is compared with the set humidity, and the humidity difference between the current fresh air humidity and the set humidity is calculated; according to the comparison result and the humidity difference value, the humidity demand is determined, when the humidity difference value is smaller than or equal to a preset temperature difference threshold value, the current indoor humidity is compared with the set humidity, the humidity difference value between the current indoor humidity and the set humidity is calculated, and according to the comparison result of the current indoor humidity and the set humidity and the humidity difference value, the humidity demand of a user can be determined more accurately, so that the running mode of the fresh air dehumidifier accords with the user demand more.

In addition, the embodiment of the invention also provides a storage medium, wherein a fresh air dehumidifier control program is stored on the storage medium, and the fresh air dehumidifier control program realizes the steps of the fresh air dehumidifier control method when being executed by a processor.

Because the storage medium adopts all the technical schemes of all the embodiments, the storage medium has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted here.

Referring to fig. 7, fig. 7 is a block diagram illustrating a first embodiment of a control device for a fresh air dehumidifier according to the present invention.

As shown in fig. 7, a fresh air dehumidifier control apparatus according to an embodiment of the present invention includes:

the acquisition module 10 is used for acquiring the current fresh air temperature and the current fresh air humidity.

And the judging module 20 is used for determining the temperature requirement according to the current fresh air temperature and the set temperature.

The judging module 20 is further configured to determine a humidity requirement according to the current fresh air humidity and the set humidity.

And the control module 30 is used for controlling the operation of the fresh air dehumidifier according to the temperature requirement and the humidity requirement.

It should be understood that the foregoing is illustrative only and is not limiting, and that in specific applications, those skilled in the art may set the invention as desired, and the invention is not limited thereto.

It should be noted that the above-described working procedure is merely illustrative, and does not limit the scope of the present invention, and in practical application, a person skilled in the art may select part or all of them according to actual needs to achieve the purpose of the embodiment, which is not limited herein.

In addition, technical details not described in detail in the embodiment may refer to the method for controlling the fresh air dehumidifier provided in any embodiment of the present invention, which is not described herein.

Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. Read Only Memory)/RAM, magnetic disk, optical disk) and including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.

The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. The fresh air dehumidifier control method is characterized by comprising the following steps of:

Acquiring the current fresh air temperature and the current fresh air humidity;

2. The method of claim 1, wherein determining the temperature demand based on the current fresh air temperature and the set temperature comprises:

3. The method of claim 2, wherein said determining a temperature demand based on the comparison and the temperature difference comprises:

4. The method of controlling a fresh air dehumidifier of claim 3, wherein said determining a temperature demand based on said current indoor temperature and said set temperature comprises:

5. The method of claim 1, wherein determining the humidity demand based on the current fresh air humidity and the set humidity comprises:

6. The method of claim 5, wherein said determining a humidity demand based on the comparison and the humidity difference comprises:

7. The method of controlling a fresh air dehumidifier of claim 6, wherein said determining a humidity demand based on said current indoor humidity and said set humidity comprises:

8. The method of any one of claims 1-7, wherein the fresh air dehumidifier comprises an air supply channel, a first heat exchange system, a second heat exchange system, and a humidifying device, the first heat exchange system comprises a first heat exchange unit disposed in the air supply channel, the second heat exchange system comprises a second heat exchange unit disposed in the air supply channel, the operation mode of the fresh air dehumidifier is determined by states of the first heat exchange unit, the second heat exchange unit, and the humidifying device, and the controlling the operation of the fresh air dehumidifier according to the temperature requirement and the humidity requirement comprises:

9. The utility model provides a new trend dehumidifier controlling means, its characterized in that, new trend dehumidifier controlling means includes:

10. A fresh air dehumidifier, characterized in that the fresh air dehumidifier comprises: a memory, a processor, and a fresh air dehumidifier control program stored on the memory and running on the processor, the fresh air dehumidifier control program configured to implement the fresh air dehumidifier control method of any one of claims 1 to 8.

11. A storage medium, wherein a fresh air dehumidifier control program is stored on the storage medium, and when executed by a processor, the fresh air dehumidifier control program implements the fresh air dehumidifier control method according to any one of claims 1 to 8.