CN-122015187-A - Fresh air device, air duct machine and control method

Abstract

The disclosure provides a fresh air device, an air duct machine and a control method. In the fresh air device, an air inlet of a first section of air outlet channel is communicated with an air outlet of a fan of the fresh air device, and a first fresh air outlet is arranged on the first section of air outlet channel and is used for discharging air to a space to be regulated, which is regulated by the air pipe machine. The first fresh air outlet is provided with a first wind shield at a position which can control the first fresh air outlet to be conducted or closed. The second section air outlet channel is connected with the first section air outlet channel and is controlled to be conducted or closed by the second wind shield, and a second fresh air outlet is arranged on the second section air outlet channel and used for transmitting discharged gas to an inner machine of the air pipe machine. According to the temperature control method, different air outlet modes can be adopted according to different conditions, the problem of abnormal temperature sensing caused by overlarge temperature difference between the inside and the outside of the space to be adjusted can be effectively avoided, and fresh air can be directly introduced under the condition that the temperature difference between the inside and the outside of the space to be adjusted is not large.

Inventors

• SU HUA
• DU HUI
• CHI XIAOLONG
• XING YAHUI
• CHEN BOQIANG

Assignees

• 珠海格力电器股份有限公司

Dates

Publication Date

20260512

Application Date

20260310

Claims (18)

1. 1. The fresh air device is characterized by being applied to an air pipe machine and comprising a first section of air outlet channel and a second section of air outlet channel, wherein a first air inlet of the first section of air outlet channel is communicated with a fan air outlet of a fan of the fresh air device; A first fresh air outlet is arranged on the first section of air outlet channel and is used for discharging air out of a space to be regulated which is regulated by the air pipe machine, and a first wind shield is arranged at the position of the first fresh air outlet and is used for controlling the first fresh air outlet to be conducted or closed; The second section air outlet channel is connected with the first section air outlet channel, and a second wind shield is arranged at the connection position of the second section air outlet channel and the first section air outlet channel and used for controlling the connection or the disconnection between the first section air outlet channel and the second section air outlet channel; And a second fresh air outlet is arranged on the second section of air outlet channel and is used for transmitting the discharged gas to an inner machine of the air pipe machine so that the gas is discharged to the space to be regulated after passing through the inner machine.
2. 2. The fresh air device according to claim 1, wherein the second fresh air outlet is located on the same side of the air duct machine as an air inlet of the internal machine, so that the internal machine sucks air discharged from the second fresh air outlet into the internal machine through the air inlet of the internal machine.
3. 3. The fresh air device of claim 1, wherein the second fresh air outlet is in communication with an intake of the internal machine such that air exiting the second fresh air outlet enters the internal machine through the intake.
4. 4. The fresh air device of claim 1, wherein the fresh air device has a first air-out mode and a second air-out mode; The first wind shield closes the first fresh air outlet when the fresh air device is in the first air outlet mode, and the second wind shield controls the conduction between the first section air outlet channel and the second section air outlet channel; the fresh air device is in the second air outlet mode, the first wind shield opens the first fresh air outlet, and the second wind shield controls the first section air outlet channel and the second section air outlet channel to be closed.
5. 5. The fresh air device of claim 4, wherein in the first air outlet mode, the first wind deflector rotates into the first section air outlet channel, the free end of the first wind deflector abuts against one side of the first section air outlet channel away from the second section air outlet channel, and an included angle between the first wind deflector and the axial direction of the second section air outlet channel is greater than or equal to 30 ° and less than or equal to 70 °.
6. 6. The fresh air device of claim 5, wherein the second wind deflector rotates into the second-stage wind outlet channel in the first wind outlet mode, and a free end of the second wind deflector abuts against a side of the second-stage wind outlet channel facing away from the first wind deflector.
7. 7. The fresh air device of claim 4, wherein the first wind deflector rotates outside the first section of air outlet channel in the second air outlet mode, and an included angle between the first wind deflector and an axial direction of the first section of air outlet channel is greater than 0 ° and less than or equal to 90 °.
8. 8. Fresh air device according to claim 1, characterized in that the first wind deflector and/or the second wind deflector are configured as a straight plate structure.
9. 9. The fresh air device of any one of claims 1 to 8, wherein the fresh air device comprises a filter screen, a filter surface of the filter screen is configured as a curved surface, and a convex side of the filter surface faces an intake side of the filter screen.
10. 10. The fresh air device of claim 9, wherein the fresh air device comprises an arcuate track, opposite sides of the filter screen being disposed within the arcuate track, the filter screen effecting a pull-out motion by moving along the arcuate track.
11. 11. The fresh air device according to claim 9, wherein a clamping plate is arranged at one end of the filter screen, at least one clamping hole is formed in the clamping plate, and a clamping structure matched with the clamping hole is arranged on a shell of the fresh air device; the filter screen is in under the installed state, buckle structure card income joint hole.
12. 12. The fresh air device of claim 11, wherein one end of the filter screen is provided with a handle structure disposed on a side of the clip plate facing away from the housing.
13. 13. An air duct machine, characterized in that the air duct machine comprises an internal machine and a fresh air device according to any one of claims 1-12, which fresh air device is located on one side of the internal machine.
14. 14. A control method, characterized in that the control method is applied to the air duct machine according to claim 13, the fresh air device of the air duct machine having a first air-out mode and a second air-out mode; The first wind shield closes the first fresh air outlet when the fresh air device is in the first air outlet mode, and the second wind shield controls the conduction between the first section air outlet channel and the second section air outlet channel; The first wind shield opens the first fresh air outlet in the second air outlet mode, and the second wind shield controls the first section air outlet channel and the second section air outlet channel to be closed; The control method comprises the following steps: and adjusting an operation mode of a fresh air device of the air duct machine based on the temperature difference between the inside and the outside of the space to be adjusted, wherein the operation mode comprises the first air outlet mode and the second air outlet mode.
15. 15. The control method according to claim 14, wherein the adjusting the operation mode of the fresh air device of the ducted air machine based on the temperature difference between the inside and the outside of the space to be adjusted by the ducted air machine includes: And if the internal and external temperature difference is determined to be larger than the set temperature difference threshold value, controlling the fresh air device to be in the first air outlet mode.
16. 16. The control method according to claim 14, wherein the adjusting the operation mode of the fresh air device of the ducted air machine based on the temperature difference between the inside and the outside of the space to be adjusted by the ducted air machine includes: And if the internal and external temperature difference is smaller than or equal to the set temperature difference threshold value, controlling the fresh air device to be in the second air outlet mode.
17. 17. The control method according to any one of claims 14 to 16, characterized in that the control method includes: And when the fresh air device is in the second air outlet mode, if the internal machine is in a heating mode, controlling the included angle between the first wind shield and the horizontal direction to be larger than 0 degrees and smaller than or equal to 45 degrees.
18. 18. The control method according to any one of claims 14 to 16, characterized in that the control method includes: And when the fresh air device is in the second air outlet mode, if the internal machine is in the refrigeration mode, controlling the included angle between the first wind shield and the horizontal direction to be larger than 45 degrees and smaller than or equal to 90 degrees.

Description

Fresh air device, air duct machine and control method Technical Field The disclosure relates to the technical field of air duct machines, and in particular relates to a fresh air device, an air duct machine and a control method. Background At present, the health function is gradually taken as a function point for consumers to watch, health is also required to be combined to products in the development process of the air duct machine, the function of the traditional air duct machine is to mainly improve comfort, indoor air temperature and humidity are adjusted to meet the user experience, but the main problem is that the long-time air conditioner opening user experience is not very good, in the daily use process, windows and the like of a room after the air conditioner is opened are closed, air circulation is poor, and a feeling of tightness can be generated, so that a fresh air device is very necessary to be integrated on the traditional air duct machine. However, in the air duct machine provided with the fresh air device in the related art, after fresh air is introduced indoors, the indoor and outdoor temperature difference is large, and the user experience is seriously affected. Disclosure of Invention In view of this, in order to solve the technical problem that the temperature difference between indoor and outdoor is large after the fresh air is introduced into the indoor in the air duct machine provided with the fresh air device in the prior art, the disclosure provides a fresh air device, an air duct machine and a control method. According to a first aspect of embodiments of the present disclosure, a fresh air device is provided, where the fresh air device is applied to an air duct machine, the fresh air device includes a first section air outlet channel and a second section air outlet channel, and a first air inlet of the first section air outlet channel is communicated with a fan air outlet of a fan of the fresh air device; A first fresh air outlet is arranged on the first section of air outlet channel and is used for discharging air out of a space to be regulated which is regulated by the air pipe machine, and a first wind shield is arranged at the position of the first fresh air outlet and is used for controlling the first fresh air outlet to be conducted or closed; The second section air outlet channel is connected with the first section air outlet channel, and a second wind shield is arranged at the connection position of the second section air outlet channel and the first section air outlet channel and used for controlling the connection or the disconnection between the first section air outlet channel and the second section air outlet channel; And a second fresh air outlet is arranged on the second section of air outlet channel and is used for transmitting the discharged gas to an inner machine of the air pipe machine so that the gas is discharged to the space to be regulated after passing through the inner machine. In an alternative embodiment of the present invention, The second fresh air outlet and the air suction port of the inner machine are positioned on the same side of the air pipe machine, so that the inner machine sucks air discharged by the second fresh air outlet into the inner machine through the air suction port of the inner machine. In an alternative embodiment of the present invention, The second fresh air outlet is communicated with an air suction port of the inner machine, so that air exhausted from the second fresh air outlet enters the inner machine through the air suction port of the inner machine. In an alternative embodiment of the present invention, The fresh air device is provided with a first air outlet mode and a second air outlet mode; The first wind shield closes the first fresh air outlet when the fresh air device is in the first air outlet mode, and the second wind shield controls the conduction between the first section air outlet channel and the second section air outlet channel; the fresh air device is in the second air outlet mode, the first wind shield opens the first fresh air outlet, and the second wind shield controls the first section air outlet channel and the second section air outlet channel to be closed. In an alternative embodiment of the present invention, The fresh air device is in the first air outlet mode, the first wind deflector rotates into the first section air outlet channel, the free end of the first wind deflector is abutted to one side, deviating from the second section air outlet channel, of the first section air outlet channel, and an included angle between the first wind deflector and the axial direction of the second section air outlet channel is larger than or equal to 30 degrees and smaller than or equal to 70 degrees. In an alternative embodiment of the present invention, The fresh air device is in the first air outlet mode, the second wind deflector rotates into the second section air outlet channel, and the free end of the secon