WO2022267741A1

WO2022267741A1 - Indoor fresh air exchange system and indoor fresh air exchange method

Info

Publication number: WO2022267741A1
Application number: PCT/CN2022/092804
Authority: WO
Inventors: 李刚; 杨芳
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-06-24
Filing date: 2022-05-13
Publication date: 2022-12-29
Also published as: CN113531657A

Abstract

An indoor fresh air exchange system, comprising an air conditioner indoor unit (210) provided in a room (100), an air inlet window (111) provided on a first wall (110) of the room (100), and an air discharge window (121) provided on a second wall (120) of the room (100). The first wall (110) is opposite to the second wall (120); the air conditioner indoor unit (210) is disposed close to the air inlet window (111), and an air inlet of the air conditioner indoor unit (210) is in communication with the air inlet window (111); the air conditioner indoor unit (210) comprises a first control module and a first air detection module, and the first control module is in signal connection to the first air detection module; the first air detection module is configured to detect air quality data in the room (100), and transmit the air quality data obtained by detection to the first control module; the first control module is configured to control opening/closing of the air inlet window (111) and the air discharge window (121) according to the air quality data obtained by detection by the first air detection module. An indoor fresh air exchange method is also provided. According to the indoor fresh air exchange system and method, outdoor air can enter a room, and indoor foul air can be discharged from the room; thus, the quality of indoor air can be improved.

Description

Indoor fresh air system and indoor fresh air method

This application claims the priority of the Chinese patent application with the application number 202110706654.6 and the application title "Indoor fresh air system and indoor fresh air method" submitted to the China Patent Office on June 24, 2021, the entire contents of which are incorporated herein by reference Applying.

technical field

The application belongs to the technical field of indoor fresh air replacement, and in particular relates to an indoor fresh air replacement system and an indoor fresh air replacement method.

Background technique

The air conditioner indoor unit includes a vertical air conditioner indoor unit and a wall-mounted air conditioner indoor unit. The air-conditioning indoor unit can draw air into the chamber from the air inlet through its internal negative pressure device. After the air is processed inside the chamber, it is discharged into the indoor environment from the air outlet to realize the adjustment of indoor air.

However, the existing air-conditioning indoor units can only circulate the indoor air, but cannot solve the problem of indoor air quality degradation.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, this application provides an indoor fresh air system and an indoor fresh air method. The indoor fresh air system and the indoor fresh air method of the present application can lead outdoor fresh air to the room, and at the same time, indoor Dirty air is discharged to the outside, which can solve the problem of indoor air quality degradation, which in turn helps to improve user experience.

In the first aspect, the present application provides an indoor fresh air replacement system, which includes an air-conditioning indoor unit installed indoors, an air inlet window set on the first wall of the room, and an exhaust window set on the second wall of the room. The air window, the first wall is opposite to the second wall; the air-conditioning indoor unit is set close to the air inlet window, and the air inlet of the air-conditioning indoor unit is connected to the air inlet window; the air-conditioning indoor unit The machine has a first control module and a first air detection module, the first control module and the first air detection module are connected in signal; the first air detection module is configured to detect indoor air quality data, and detect The obtained air quality data is transmitted to the first control module; the first control module is configured to control the opening of the air inlet window and the air exhaust window according to the air quality data detected by the first air detection module close.

Those skilled in the art can understand that the indoor fresh air replacement system of the present application includes an air-conditioning indoor unit installed indoors, an air inlet window set on the first wall surface of the room, and an exhaust window set on the second wall surface of the room. The first wall is opposite to the second wall, so that the outdoor fresh air enters the room through one side, and the indoor turbid air is discharged outside through the opposite side, which is conducive to completely exhausting the indoor turbid wind and filling the room with fresh air. It is beneficial to improve the indoor air quality and enhance the user experience.

Wherein, the air-conditioning indoor unit is arranged close to the air inlet window, and the air inlet of the air-conditioning indoor unit communicates with the air inlet window; the air-conditioning indoor unit has a first control module and a first air detection module, and the first control module and the first air detection module signal connection; the first air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the first control module; the first control module is configured to detect air quality data according to the first air detection module Control the opening and closing of the air inlet window and the air exhaust window. On the one hand, when the air quality detected by the first air detection module is relatively poor, the first control module can control the opening of the air inlet window and the air exhaust window, so that the outdoor air flows from the air inlet The windshield enters, and the indoor turbid wind is discharged from the exhaust window, thereby helping to improve the indoor air quality; on the other hand, when the air quality detected by the first air detection module is relatively good, the first control module can control the air intake window and The exhaust window is closed, so that the air conditioner indoor unit can drive the indoor air to circulate, thereby helping to save the energy consumption of the air conditioner indoor unit.

In the optional technical solution of the above-mentioned indoor fresh air replacement system, the air inlet window includes an air inlet window, an air inlet sash, and an air inlet electric drive mechanism; the air inlet sash is movably installed at the air inlet window, and the air inlet The wind power driving mechanism is connected to the wind power drive mechanism, and the wind power drive mechanism is connected to the first control module in signal; the first control module is configured to control the wind power drive mechanism to control the wind power drive mechanism The air sash opens or closes the air intake window.

In the optional technical solution of the above-mentioned indoor fresh air replacement system, the exhaust window includes an exhaust window, an exhaust window fan, an exhaust fan, and an electric drive mechanism for outlet wind; the exhaust window fan is movably installed at the exhaust window, so The exhaust fan is installed in the exhaust window, and the exhaust fan is used to drive the air in the room to be discharged outside through the exhaust window; The wind power drive mechanism is connected to the first control module in signal; the first control module is configured to control the exhaust window to open or close the exhaust window by controlling the wind power drive mechanism.

In the optional technical solution of the above-mentioned indoor fresh air replacement system, the opposite sides of the air inlet window are provided with air inlet slide rails, and the opposite sides of the air inlet sash extend into the air inlet slide rails, and The air inlet window sash reciprocally slides along the air inlet slide rail to open or close the air inlet window.

In the optional technical solution of the above-mentioned indoor fresh air replacement system, the opposite sides of the exhaust window are provided with air outlet slide rails, and the opposite sides of the exhaust window sash extend into the air outlet slide rails, and The exhaust window sash reciprocally slides along the air outlet slide rail to open or close the exhaust window.

In the optional technical solution of the above-mentioned indoor fresh air system, the air inlet window is rectangular, the length of the air inlet window ranges from 25 cm to 35 cm, and the width range of the air inlet window ranges from 10 cm to 20 cm.

In the optional technical solution of the above indoor fresh air system, the exhaust window is rectangular, the length of the exhaust window is 45cm to 55cm, and the width of the exhaust window is 15cm to 25cm.

In the optional technical solution of the indoor fresh air system above, the first air detection module includes at least one of a carbon monoxide detector, a carbon dioxide detector, a methane detector and a propane detector.

In the optional technical solution of the above-mentioned indoor fresh air replacement system, a range hood is also included, the range hood has a second control module and a second air detection module, and the second control module and the second air detection module are connected in signal The second air detection module includes at least one of a methane detector and a propane detector; the second air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the The second control module; the second control module is configured to control the range hood to turn on the smoke exhaust function or to turn off the smoke exhaust function according to the air quality data detected by the second air detection module.

In the optional technical solution of the above-mentioned indoor fresh air system, the indoor fresh air system also includes an alarm device, and the alarm device includes a sound alarm device installed indoors and a light alarm device installed outdoors; the alarm device and The first control module is connected to a signal, and the first control module is configured to control the alarm module to issue an alarm according to the air quality data detected by the first air detection module, or to stop issuing an alarm.

In the optional technical solution of the above-mentioned indoor fresh air system, the first control module is configured to send an alarm message to the user's mobile terminal according to the air quality data detected by the first air detection module, or send an alarm notification information.

In a second aspect, the present application provides a method for indoor fresh air replacement, which is applied to the indoor fresh air system described in any one of the above, the method includes: acquiring indoor air quality data; combining the air quality data with a preset compare the air quality data; when the air quality data is greater than the preset air quality data, control the opening of the air intake window and the exhaust window; when the air quality data is less than or equal to the preset air quality data, Control the closing of the air inlet window and the air exhaust window.

Those skilled in the art can understand that the indoor fresh air replacement method of the present application is applied to the indoor fresh air system, and the indoor fresh air method can achieve the following effects by being applied to the indoor fresh air system: On the one hand, it can be used when the indoor air quality is relatively poor. , control the opening of the air inlet window and the air exhaust window, so that the outdoor air enters through the air inlet window, and the indoor turbid air is discharged from the air exhaust window, which is conducive to improving the indoor air quality; on the other hand, the indoor air quality can be better At this time, the air inlet window and the air exhaust window are controlled to be closed, so that the air conditioner indoor unit can drive the indoor air to circulate, thereby helping to save the energy consumption of the air conditioner indoor unit.

In the optional technical solution of the above indoor fresh air replacement method, the method further includes: when the air quality data is greater than the preset air quality data, controlling the sound alarm device and the light alarm device to send out sound alarms and light alarms respectively ; Send alarm information to the user's mobile terminal; When the air quality data is less than or equal to the preset air quality data, control the sound alarm device and the light alarm device to stop sounding the alarm and the light alarm; send the message of disarming the alarm to user's mobile terminal.

In addition to the technical problems solved by the embodiments of the present application described above, the technical features that constitute the technical solutions, and the beneficial effects brought by the technical features of these technical solutions, other technical problems and technical solutions that the embodiments of the present application can solve The other technical features contained in and the beneficial effects brought by these technical features will be further described in detail in the specific implementation manner.

Description of drawings

Preferred embodiments of the present application are described below with reference to the accompanying drawings. Attached are:

Fig. 1 is a schematic structural diagram of an indoor fresh air replacement system provided by an embodiment of the present application.

detailed description

In recent years, natural gas poisoning and gas poisoning have occurred frequently. Commonly used natural gas and gas alarms are only used to detect gas leakage, and effective measures to reduce the gas concentration cannot be taken after gas leakage, which may endanger the personal safety of users.

In order to solve the above technical problems, the present application provides an indoor fresh air system and an indoor fresh air method. The indoor fresh air system includes an air conditioner indoor unit, an air inlet window and an air exhaust window. The air-conditioning indoor unit is arranged close to the air inlet window, and the air inlet of the air-conditioning indoor unit communicates with the air inlet window; the air-conditioning indoor unit has a first control module and a first air detection module, and the first control module and the first air detection module are connected in signal; The first air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the first control module; the first control module is configured to control the air quality data detected by the first air detection module. The opening and closing of the air windows and the air exhaust windows, for example, when the first air detection module detects that the concentration of combustible gases such as natural gas or gas in the room is relatively high, the first control module can control the opening of the air intake windows and the air exhaust windows, so that Outdoor air enters through the air intake window, and indoor combustible gas is discharged through the exhaust window, which not only helps to improve the indoor air quality, but also helps to protect the personal safety of users.

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Embodiment one

Referring to FIG. 1 , this embodiment provides an indoor fresh air replacement system. The indoor fresh air system includes an air-conditioning indoor unit installed indoors 100, an air inlet window 111 set on a first wall 110 of the room 100, and an exhaust window 121 set on a second wall 120 of the room 100, the first wall 110 is opposite to the second wall 120 . Exemplarily, the interior 100 may be inside a residence, or inside an office, or inside other closed spaces.

The air conditioner indoor unit 210 is arranged close to the air inlet window 111, and the air inlet of the air conditioner indoor unit 210 communicates with the air inlet window 111. Exemplarily, the air conditioner indoor unit 210 can be a vertical air conditioner indoor unit, and the air inlet of the vertical air conditioner indoor unit It is usually arranged on the rear shell of the indoor unit of the vertical air conditioner, and the indoor unit of the vertical air conditioner can be placed in front of the air inlet window 111, and the air inlet of the indoor unit of the vertical air conditioner is opposite to the air inlet window 111. When the machine is working, the air inlet of the indoor unit of the vertical air conditioner will form a negative pressure to suck the outdoor air into the air inlet of the indoor unit of the vertical air conditioner through the air inlet window 111, and the indoor unit of the vertical air conditioner can filter, cool and cool the air. After processing such as heating or purification, the air is discharged into the room.

The air conditioner indoor unit 210 can also be a wall-mounted air conditioner indoor unit, and the wall-mounted air conditioner indoor unit is hung on the first wall surface 110 close to the air inlet window 111, so that the air inlet of the wall-mounted air conditioner indoor unit is close to the air inlet window 11. When the indoor unit of the wall-mounted air conditioner is working, the air inlet of the indoor unit of the wall-mounted air conditioner will form a negative pressure to draw outdoor air into the air inlet of the indoor unit of the wall-mounted air conditioner through the air inlet window 111, and the indoor unit of the wall-mounted air conditioner can discharge the air. After filtering, cooling, heating or purification, the air is discharged into the room. It can be understood that the air conditioner indoor unit 210 has a matching air conditioner outdoor unit 220, and the air conditioner outdoor unit 220 can be arranged outside the first wall 110, so as to connect the air conditioner indoor unit 210 and the air conditioner outdoor unit 220 through pipelines.

The air conditioner indoor unit 210 has a first control module and a first air detection module, and the first control module and the first air detection module are connected in a signal, for example, a wired connection or a wireless connection. The first air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the first control module. Exemplarily, the indoor air quality data may include indoor carbon dioxide content, carbon monoxide content, methane content and Propane content, etc.

The first control module is configured to control the opening and closing of the air intake window and the air exhaust window according to the air quality data detected by the first air detection module. Exemplarily, when the air quality data detected by the first air detection module is greater than the preset air quality data, the first control module can control the opening of the air intake window and the air exhaust window to perform fresh air replacement in the room; when the first air When the air quality data detected by the detection module is less than or equal to the preset air quality data, the first control module can control the air intake window and the air exhaust window to close.

Those skilled in the art can understand that the indoor fresh air replacement system of this embodiment includes an air conditioner indoor unit 210 installed indoors 100 , an air inlet window 111 opened on the first wall 110 of the indoor 100 The exhaust window 121 on the second wall 120, the first wall 110 and the second wall 120 are opposite, so that the outdoor fresh air enters the room through one side, and the indoor dirty wind is discharged outside through the opposite side, which is conducive to thorough discharge The indoor turbid wind fills the room with fresh air, which in turn helps to improve the indoor air quality and user experience.

Wherein, the air conditioner indoor unit 210 is arranged close to the air inlet window 111, and the air inlet of the air conditioner indoor unit 210 communicates with the air inlet window 111; the air conditioner indoor unit 210 has a first control module and a first air detection module, a first control module and a second air detection module. An air detection module signal connection; the first air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the first control module; the first control module is configured to The detected air quality data controls the opening and closing of the air inlet window 111 and the air exhaust window 121. On the one hand, when the air quality detected by the first air detection module is relatively poor, the first control module can control the opening of the air inlet window and the air exhaust window , so that the outdoor air enters through the air intake window, and the indoor turbid air is discharged from the exhaust window, which is conducive to improving the indoor air quality; on the other hand, when the air quality detected by the first air detection module is relatively good, the first control The module can control the closing of the air inlet window and the air exhaust window, so that the air conditioner indoor unit can drive the indoor air to circulate, thereby helping to save the energy consumption of the air conditioner indoor unit.

Optionally, the air inlet window 111 includes an air inlet window, an air inlet sash, and an air inlet electric drive mechanism. The air intake sash is movably installed at the air intake window. Exemplarily, the air intake sash may be a glass sash, and the glass sash has a light-transmitting effect, which is conducive to improving the indoor lighting effect. The wind-inlet electric driving mechanism is connected to the air-inlet sash, and at the same time, the wind-inlet electric drive mechanism is connected to the first control module, and the first control module is configured to control the air-inlet sash to open or close the air-intake window by controlling the wind-inlet electric drive mechanism.

Exemplarily, the wind-intake electric drive mechanism may include a motor and a transmission set, and the transmission set may be a gear transmission set, a worm gear transmission set, or other types of transmission sets. The motor can be installed on the side of the air inlet window, the output shaft of the motor is connected with the transmission group, and the transmission group is connected with the air inlet sash through transmission. During specific implementation, the first control module determines whether fresh air needs to be replaced according to the air quality data detected by the first air detection module, and controls the motor to rotate according to the determined result. The motor can drive the transmission group to run, and the transmission group can drive the air intake window to move. to open the air inlet window or close the air inlet window.

Optionally, the exhaust window 121 includes an exhaust window, an exhaust window sash, an exhaust fan, and an electric drive mechanism for air outlet. The exhaust sash is movably installed at the exhaust window. Exemplarily, the exhaust sash may be a glass sash, and the glass sash has a light-transmitting effect, which is conducive to improving the indoor lighting effect. The exhaust fan is installed in the exhaust window, and the exhaust fan is used to drive the indoor air to be discharged outside through the exhaust window, thereby facilitating the discharge of indoor dirty air and improving the efficiency of indoor fresh air exchange. The wind outlet electric driving mechanism is connected to the exhaust window by transmission. At the same time, the wind outlet electric driving mechanism is connected to the first control module in signal. The first control module is configured to control the exhaust window to open or close the exhaust window by controlling the wind outlet electric drive mechanism.

Exemplarily, the wind outlet electric driving mechanism may include a motor and a transmission set, and the transmission set may be a gear transmission set, a worm gear transmission set, or other types of transmission sets. The motor can be installed on the side of the exhaust window, the output shaft of the motor is connected with the transmission group, and the transmission group is connected with the ventilation window. During specific implementation, the first control module determines whether fresh air needs to be replaced according to the air quality data detected by the first air detection module, and controls the rotation of the motor according to the determined result. The motor can drive the transmission group to run, and the transmission group can drive the exhaust window to move. to open the exhaust window or close the exhaust window.

Optionally, the opposite sides of the air inlet window are provided with air inlet slide rails, the opposite sides of the air inlet sash extend into the air inlet slide rails, and the air inlet sash slides reciprocally along the air inlet slide rails to open or close Air intake window. The air intake slide rail can limit and guide the air intake sash, which not only facilitates the installation of the air intake sash, but also helps to ensure the smoothness and reliability of the movement of the air intake sash.

Optionally, the opposite sides of the exhaust window are provided with air outlet slide rails, the opposite sides of the exhaust window sash extend into the air outlet slide rails, and the exhaust window sash reciprocates along the air outlet slide rails to open or close Exhaust window. The air outlet slide rail can limit and guide the exhaust window sash, which not only facilitates the installation of the exhaust window sash, but also helps to ensure the smoothness and reliability of the movement of the exhaust window sash.

Optionally, the air inlet window is rectangular, and the length of the air inlet window ranges from 25cm to 35cm. Exemplarily, the length of the air inlet window can be set to 25cm, 27cm, 30cm, 33cm or 35cm according to actual needs. The width of the air inlet window ranges from 10cm to 20cm. Exemplarily, the width of the air inlet window can be set to 10cm, 13cm, 15cm, 17cm or 20cm according to actual needs. For example, the size of the rectangular air inlet window may be 30cm×15cm.

Optionally, the exhaust window is rectangular, and the length of the exhaust window ranges from 45cm to 55cm. Exemplarily, the length of the exhaust window can be set to 45cm, 47cm, 50cm, 53cm or 55cm according to actual needs. The width of the exhaust window ranges from 15cm to 25cm. Exemplarily, the width of the exhaust window can be set to 15cm, 17cm, 20cm, 23cm or 25cm according to actual needs. For example, the size of the rectangular exhaust window may be 50cm×20cm.

Optionally, the first air detection module includes at least one of a carbon monoxide detector, a carbon dioxide detector, a methane detector and a propane detector.

Exemplarily, when the first air detection module may include a carbon dioxide detector, when the carbon dioxide detector detects that the concentration of carbon dioxide is greater than 0.1%, the first control module may control the opening of the air inlet window and the air exhaust window to perform fresh air replacement; When the carbon dioxide detector detects that the concentration of carbon dioxide drops to less than 0.08%, the first control module can control the closing of the air inlet window and the air exhaust window to stop the fresh air exchange operation, thereby helping to keep the indoor air fresh.

When the first air detection module can include a carbon monoxide detector, when the carbon monoxide detector detects that the carbon monoxide concentration is greater than 45ppm, the first control module can control the opening of the air intake window and the exhaust window to perform fresh air replacement; when the carbon monoxide detector detects When the concentration of carbon monoxide drops to a safe range, the first control module can control the closing of the air intake window and the air exhaust window, so as to stop the fresh air exchange operation, thereby helping to keep the indoor air fresh.

The first air detection module may include a methane detector and a propane detector, and when the methane detector and the propane detector detect that the concentration of methane gas or propane gas is greater than 1%, the first control module may control the air intake window and the air exhaust window Open for fresh air replacement; when the methane detector and propane detector detect that the concentration of methane gas or propane gas has dropped to a safe range, the first control module can control the air intake window and the exhaust window to close to stop the ventilation. Fresh air operation, which is conducive to keeping the indoor air fresh.

Optionally, the indoor fresh air replacement system further includes a range hood. The range hood has a second control module and a second air detection module. Could be a wireless connection. The second air detection module includes at least one of a methane detector and a propane detector. The second air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the second control module.

The second control module is configured to control the range hood to turn on the smoke exhaust function or to turn off the smoke exhaust function according to the air quality data detected by the second air detection module. Exemplarily, when the concentration of methane gas or propane gas detected by the second air detection module is greater than 1%, the second control module can control the smoke exhaust of the range hood to discharge the combustible gas in the room to the outside; when the second air detection module When the detected concentrations of methane gas and propane gas drop to a safe range, the second control module can control the range hood to stop exhausting smoke.

Optionally, the indoor fresh air replacement system also includes an alarm device, the alarm device includes a sound alarm device installed indoors and a light alarm device installed outdoors; the alarm device is connected to the first control module with a signal, and the first control module is configured to The air quality data detected by the first air detection module controls the alarm module to send out an alarm, or stops sending out an alarm. Exemplarily, when the indoor air quality data exceeds a preset value, the first control module controls the alarm module to send out an alarm: a sound alarm indoors, and a light alarm outdoors, so as to remind the user to take appropriate measures in time.

Optionally, the first control module is configured to send alarm information to the user's mobile terminal according to the air quality data detected by the first air detection module, or send information about disabling the alarm. Exemplarily, when the indoor air quality data exceeds a preset value, the first control module sends an alarm message to the user's mobile terminal, such as a mobile phone, to remind the user to take appropriate measures in time.

It can be understood that the alarm device can also be signally connected to the second control module, and the second control module is configured to control the alarm module to issue an alarm according to the air quality data detected by the second air detection module, or to stop the alarm. The second control module can also be configured to send alarm information to the user's mobile terminal according to the air quality data detected by the second air detection module, or send information about disabling the alarm.

Embodiment two

On the basis of the first embodiment, this embodiment provides an indoor fresh air replacement method, which is applied to the indoor fresh air replacement system in the first embodiment. The indoor fresh air method includes:

Get indoor air quality data. Exemplarily, the air quality data may be acquired through air detection modules such as carbon monoxide detectors, carbon dioxide detectors, methane detectors or propane detectors of the indoor fresh air system.

Compare the air quality data with preset air quality data. Exemplarily, the preset air quality data can be input in advance in the control module of the indoor fresh air system, and the acquired air quality data can be compared with the preset air quality data.

When the air quality data is greater than the preset air quality data, control the opening of the air intake window and the exhaust window to perform fresh air in the room; when the air quality data is less than or equal to the preset air quality data, control the air intake window and The exhaust window is closed to stop the fresh air exchange operation in the room.

Exemplarily, when the carbon dioxide detector detects that the carbon dioxide concentration is greater than 0.1%, the control module of the indoor fresh air system can control the opening of the air intake window and the exhaust window to perform fresh air replacement; when the carbon dioxide detector detects that the carbon dioxide concentration drops When it falls within 0.08%, the control module of the indoor fresh air replacement system can control the closing of the air intake window and the exhaust window to stop the fresh air replacement operation, thereby helping to keep the indoor air fresh.

When the carbon monoxide detector detects that the carbon monoxide concentration is greater than 45ppm, the control module of the indoor fresh air system can control the opening of the air intake window and the exhaust window to perform fresh air replacement; when the carbon monoxide detector detects that the carbon monoxide concentration drops to a safe range , the control module of the indoor fresh air replacement system can control the closing of the air intake window and the exhaust window to stop the fresh air replacement operation, thereby helping to keep the indoor air fresh.

When the methane detector and propane detector detect that the concentration of methane gas or propane gas is greater than 1%, the control module of the indoor fresh air system can control the opening of the air intake window and the exhaust window to perform fresh air operation; when the methane detector When the concentration of methane gas or propane gas is detected by the propane detector and drops to a safe range, the control module of the indoor fresh air system can control the closing of the air intake window and the exhaust window to stop the fresh air exchange operation, which is conducive to making the indoor air Keep it fresh.

Those skilled in the art can understand that the indoor fresh air replacement method of this embodiment is applied to the indoor fresh air system, and the indoor fresh air method can achieve the following effects by applying the indoor fresh air system: On the one hand, it can At the same time, control the opening of the air inlet window and the air exhaust window, so that the outdoor air enters through the air inlet window, and the indoor turbid air is discharged from the air exhaust window, which is conducive to improving the indoor air quality; on the other hand, the indoor air quality can be compared When it is good, control the closing of the air inlet window and the air exhaust window so that the air conditioner indoor unit drives the indoor air circulation, thereby helping to save the energy consumption of the air conditioner indoor unit.

Optionally, the indoor ventilation method also includes:

When the air quality data is greater than the preset air quality data, control the sound alarm device and the light alarm device to issue a sound alarm and a light alarm respectively; send alarm information to the user's mobile terminal; when the air quality data is less than or equal to the preset air quality data , control the sound alarm device and the light alarm device to stop issuing the sound alarm and light alarm; send the information of disabling the alarm to the mobile terminal of the user. Exemplarily, the control module of the indoor fresh air system can control the alarm device of the indoor fresh air system to remind the user by sounding an alarm and light alarm, or by sending an alarm message to the user's mobile terminal.

Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. Those skilled in the art can make adjustments as needed so as to adapt to specific applications.

It should be noted that, in the description of the present application, terms such as "inner", "outer" and other indicated directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, rather than Indicating or implying that the devices or components in this embodiment must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application.

It should also be noted that, in the description of this application, unless otherwise clearly stipulated and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific situations.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit it; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present application. scope.

Claims

An indoor fresh air replacement system, which includes an air-conditioning indoor unit installed indoors, an air inlet window set on the first wall of the room, and an exhaust window set on the second wall of the room, the The first wall is opposite to the second wall; the air-conditioning indoor unit is arranged close to the air inlet window, and the air inlet of the air-conditioning indoor unit communicates with the air inlet window;

The air conditioner indoor unit has a first control module and a first air detection module, the first control module and the first air detection module are connected in signal; the first air detection module is configured to detect indoor air quality data , and transmit the detected air quality data to the first control module; the first control module is configured to control the air intake window and the exhaust Windshield opening and closing.
The indoor fresh air replacement system according to claim 1, wherein the air inlet window comprises an air inlet window, an air inlet sash and an air inlet electric drive mechanism;

The air intake window is movably installed at the air intake window, the wind intake electric drive mechanism is in transmission connection with the air intake window sash, and the wind intake electric drive mechanism is signal connected with the first control module; A control module is configured to control the air intake sash to open or close the air intake window by controlling the air intake electric drive mechanism.
The indoor fresh air replacement system according to claim 2, wherein the exhaust window includes an exhaust window, an exhaust window sash, an exhaust fan, and an electric drive mechanism for air outlet;

The exhaust window is movably installed at the exhaust window, the exhaust fan is installed in the exhaust window, and the exhaust fan is used to drive the air in the room to be discharged outside through the exhaust window; The wind power drive mechanism is connected to the exhaust sash in transmission, and the wind power drive mechanism is connected to the first control module in signal; the first control module is configured to control the wind power drive mechanism to control the exhaust The air sash opens or closes the air exhaust window.
The indoor fresh air replacement system according to claim 3, wherein the opposite sides of the air inlet window are provided with air inlet slide rails, and the opposite sides of the air inlet sash extend into the air inlet slide rails, And the air inlet window sash reciprocally slides along the air inlet slide rail to open or close the air inlet window; and/or,

The opposite sides of the exhaust window are provided with air outlet slide rails, the opposite sides of the exhaust window sash extend into the air outlet slide rails, and the exhaust window sash reciprocates along the air outlet slide rails Slide to open or close the exhaust window.
The indoor fresh air replacement system according to claim 3, wherein the air inlet window is rectangular, the length of the air inlet window ranges from 25cm to 35cm, and the width of the air inlet window ranges from 10cm to 20cm; and/or or,

The exhaust window is rectangular, the length of the exhaust window ranges from 45cm to 55cm, and the width of the exhaust window ranges from 15cm to 25cm.
The indoor fresh air system according to claim 1, wherein the first air detection module includes at least one of a carbon monoxide detector, a carbon dioxide detector, a methane detector and a propane detector.
The indoor fresh air replacement system according to claim 1, further comprising a range hood, the range hood has a second control module and a second air detection module, and the second control module and the second air detection module signal connect;

The second air detection module includes at least one of a methane detector and a propane detector;

The second air detection module is configured to detect indoor air quality data, and transmit the detected air quality data to the second control module; the second control module is configured to The air quality data detected by the module controls the range hood to turn on the smoke exhaust function, or to turn off the smoke exhaust function.
The indoor fresh air replacement system according to any one of claims 1-7, further comprising an alarm device, the alarm device comprising a sound alarm device installed indoors and a light alarm device installed outdoors; the alarm device Signal connection with the first control module, the first control module is configured to control the alarm module to issue an alarm according to the air quality data detected by the first air detection module, or stop issuing an alarm; and/or,

The first control module is configured to send alarm information to the user's mobile terminal according to the air quality data detected by the first air detection module, or send information about disabling the alarm.
An indoor fresh air replacement method, which is applied to the indoor fresh air replacement system according to any one of claims 1-8, the method comprising:

Obtain indoor air quality data;

comparing the air quality data with preset air quality data;

When the air quality data is greater than the preset air quality data, control the air inlet window and the air exhaust window to open;

When the air quality data is less than or equal to the preset air quality data, the air intake window and the air exhaust window are controlled to be closed.
The indoor fresh air replacement method according to claim 9, wherein the method further comprises:

When the air quality data is greater than the preset air quality data, control the sound alarm device and the light alarm device to issue sound alarm and light alarm respectively;

Send alert information to the user's mobile terminal;

When the air quality data is less than or equal to the preset air quality data, control the sound alarm device and the light alarm device to stop issuing the sound alarm and light alarm;

Send the message of disarming the alarm to the user's mobile terminal.