WO2017121090A1

WO2017121090A1 - Method of detecting open window for use with air purifier and device

Info

Publication number: WO2017121090A1
Application number: PCT/CN2016/091902
Authority: WO
Inventors: 张文东; 温煜
Original assignee: 东莞市利发爱尔空气净化系统有限公司
Priority date: 2016-01-13
Filing date: 2016-07-27
Publication date: 2017-07-20
Also published as: CN105650814A

Abstract

A method of detecting an open window for use with an air purifier comprises: determining that the air purifier is in operation; detecting, for a preconfigured period of time, carbon dioxide in the current environment, and computing a change rate of the carbon dioxide; and determining, according to an increase or decrease of the change rate, whether a window is open. Also provided is a device capable of detecting an open window and for use with an air purifier. The method and device resolve a problem of a resource waste resulting from leaving an air purifier turned on when a window is open.

Description

Method and device for detecting window opening based on air purifier

This application claims priority to Chinese Patent Application No. 201610024335.6, entitled "A Method and Apparatus for Window Detection Based on Air Purifiers", which is filed on January 13, 2016, the entire contents of which are hereby incorporated by reference. Combined in this application.

Technical field

The invention relates to the technical field of air purification, and in particular to a method and a device for detecting window opening based on an air purifier.

Background technique

Air purifiers, also known as "air cleaners", air purifiers, purifiers, are capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, etc.). , bacteria, allergens, etc., products that effectively improve air cleanliness, mainly divided into household, commercial, industrial, and building.

There are many different technologies and media in the air purifier that enable it to provide clean and safe air to the user. Commonly used air purification technologies include: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalytic technology, superstructure photomineralization technology, HEPA high efficiency filtration technology, electrostatic dust collection technology, etc.; material technology mainly includes: photocatalyst, activated carbon, Synthetic fiber, HEAP high efficiency material, negative ion generator, etc. The existing air purifiers are mostly compounded, that is, a plurality of purification technologies and material media are simultaneously used.

Current air purifiers only start working when they are started. However, when the window is opened, no matter how the air purifier works, it is impossible to purify the air, resulting in waste of resources.

Summary of the invention

The air purifier window detecting method and device provided by the embodiment of the invention solves the problem that the current air purifier only starts working at the time of starting, however, when the window is opened, no matter how the air purifier works, However, it is a technical problem that resources cannot be purified and the resources are wasted.

A method for detecting a window opening of an air purifier according to an embodiment of the present invention includes:

Make sure the air purifier is working;

Detecting the carbon dioxide content of the current air environment for a preset period of time, and calculating a rate of change of the carbon dioxide content;

A corresponding detection of the presence of windowing is determined based on the increase or decrease in the carbon dioxide content and the rate of change.

Optionally, before determining that the air purifier is in operation, the method further includes:

Obtain an instruction to turn on the air purifier window detection.

Optionally, detecting the carbon dioxide content of the current air environment for a preset duration, and calculating the rate of change of the carbon dioxide content specifically includes:

Pre-set the carbon dioxide content of the current air environment, and save the carbon dioxide content of each test;

For the detection of the carbon dioxide content, the rate of change of the carbon dioxide content is calculated in conjunction with the preset time length.

Optionally, when the carbon dioxide content increases and is greater than a preset carbon dioxide content value, it is determined that the door and window are not open, and the air purifier is maintained in the working state.

Optionally, when the carbon dioxide content decreases and is less than the preset carbon dioxide content value, it is determined whether the rate of change of the carbon dioxide content reaches a preset decreasing rate, and if so, an early warning prompt for opening the door and window is performed, and the preset warning is performed. The air purifier is stopped after the reminder period.

An air purifier window opening detecting device provided by an embodiment of the invention includes:

a first determining unit, configured to determine that the air purifier is in an active state;

a detecting unit, configured to perform a preset carbon dioxide content detection on a current air environment, and calculate a rate of change of the carbon dioxide content;

And a second determining unit, configured to determine, according to the increase or decrease of the carbon dioxide content and the rate of change, whether there is a detection of whether there is a window opening.

Optionally, the air purifier based window detecting device further includes:

The obtaining unit is configured to acquire an instruction to turn on the air cleaner window detection.

Optionally, the detecting unit specifically includes:

Detection subunit for checking the carbon dioxide content of the current air environment for a preset period of time Measure and save the carbon dioxide content of each test;

Calculating a subunit for calculating a rate of change of the carbon dioxide content in conjunction with the preset time length for detecting the carbon dioxide content.

Optionally, the second determining unit specifically includes:

The windowless determination subunit is configured to determine that the door and window are not open when the carbon dioxide content increases and is greater than a preset carbon dioxide content value, and continue to maintain the air purifier in the working state.

Optionally, the second determining unit further includes:

a window determining subunit, configured to determine whether the rate of change of the carbon dioxide content reaches a preset decreasing rate when the carbon dioxide content decreases and is less than a preset carbon dioxide content value; and if so, an early warning prompt for opening the door and window is performed, and The air purifier is stopped after the preset warning prompt period.

It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

The method and device for detecting window opening of an air purifier according to an embodiment of the present invention, wherein the method for detecting window opening based on an air purifier comprises: determining that an air purifier is in a working state; and performing a preset carbon dioxide content in a current air environment The detection and calculation of the rate of change of the carbon dioxide content; determining whether there is a detection of windowing according to the increase or decrease of the carbon dioxide content and the rate of change. In this embodiment, by determining that the air purifier is in an operating state, then detecting the current carbon dioxide content of the current air environment, and calculating the rate of change of the carbon dioxide content, and finally determining according to the increase or decrease of the carbon dioxide content and the rate of change. Corresponding to whether there is detection of window opening, the current air purifier is only started to work when it is started. However, when the window is opened, no matter how the air purifier works, it cannot purify the air. The technical problem of wasted resources.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain other ones according to these drawings without paying creative labor. The figure.

1 is a schematic flow chart of an embodiment of a method for detecting a window opening of an air purifier according to an embodiment of the present invention;

2 is a schematic flow chart of another embodiment of a method for detecting window opening of an air purifier according to an embodiment of the present invention;

3 is a schematic structural diagram of an embodiment of a window cleaner detecting device based on an air purifier according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of a window cleaner detecting device based on an air purifier according to an embodiment of the present invention.

detailed description

In order to make the object, the features and the advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 , an embodiment of a method for detecting window opening based on an air purifier according to an embodiment of the present invention includes:

101. Determine that the air purifier is in a working state;

In this embodiment, when it is necessary to determine whether the window is currently open, it is first necessary to determine that the air purifier is in the working state.

102. Perform a preset carbon dioxide content measurement on the current air environment, and calculate a rate of change of the carbon dioxide content;

After determining that the air purifier is in operation, it is necessary to detect the carbon dioxide content of the current air environment for a preset period of time, and calculate the rate of change of the carbon dioxide content.

103. Determine whether there is a detection of windowing according to the increase or decrease of the carbon dioxide content and the rate of change.

After the preset air temperature is detected for the current air environment, and the rate of change of the carbon dioxide is calculated, it is necessary to determine whether there is a detection of the window opening according to the increase or decrease of the carbon dioxide content and the rate of change.

In this embodiment, by determining that the air purifier is in an operating state, then detecting the carbon dioxide in the current air environment for a preset period of time, and calculating the rate of change of the carbon dioxide, and finally determining whether the corresponding presence exists according to the increase or decrease of the rate of change. The detection of the window opening solves the problem that the current air purifier only starts working at the time of starting. However, when the window is opened, no matter how the air purifier works, it cannot purify the air, and the resulting resources are wasted. technical problem. The touch action is then determined by changing the angle of the touch action. Finally, the angle change is matched with the preset wind speed change level, and the air volume is controlled according to the matching result, thereby solving the current air purifier control mode. The mechanical buttons are used to control the purifier, resulting in a technical problem of low user experience.

The above is a detailed description of the process based on the air purifier window detection method. The specific process will be described in detail below. Referring to FIG. 2 , an air purifier window detection method according to an embodiment of the present invention is provided. Another embodiment includes:

201. Obtain an instruction to turn on the window detection of the air purifier;

In this embodiment, when it is necessary to determine whether the window is currently open, it is first necessary to obtain an instruction to turn on the air cleaner window detection.

202. Determine that the air purifier is in a working state;

After obtaining an instruction to turn on the air cleaner window detection, it is necessary to determine that the air cleaner is in operation.

203. Perform a preset carbon dioxide content detection on the current air environment, and save the carbon dioxide content of each test;

After determining that the air purifier is in operation, it is necessary to perform a preset carbon dioxide content measurement for the current air environment, and save the carbon dioxide content of each test.

204. Calculate the rate of change of carbon dioxide content in combination with the preset time length for detecting the carbon dioxide content;

When the current air environment is preset for the detection of carbon dioxide content, and each inspection After the measured carbon dioxide content is preserved, it is necessary to calculate the carbon dioxide content, and calculate the rate of change of the carbon dioxide content in combination with the preset time length.

205. When the carbon dioxide content increases and is greater than the preset carbon dioxide content value, it is determined that the door and window are not opened, and the air purifier is maintained in a working state;

When the carbon dioxide content increases and is greater than the preset carbon dioxide content value, it is determined that the door and window are not opened, and the air purifier is kept in the working state.

206. When the carbon dioxide content decreases and is less than the preset carbon dioxide content value, determine whether the rate of change of the carbon dioxide content reaches a preset decreasing rate, and if so, an early warning prompt for opening the door and window, and control the air after the preset warning prompt period The purifier is shut down.

When the carbon dioxide content decreases and is less than the preset carbon dioxide content value, it is determined whether the rate of change of the carbon dioxide content reaches a preset decreasing rate, and if so, an early warning prompt for opening the door and window is performed, and the air purifier is controlled after the preset warning prompt period Stop.

In this embodiment, by determining that the air purifier is in an operating state, then detecting the carbon dioxide in the current air environment for a preset period of time, and calculating the rate of change of the carbon dioxide, and finally determining whether the corresponding presence exists according to the increase or decrease of the rate of change. The detection of the window opening solves the problem that the current air purifier only starts working at the time of starting. However, when the window is opened, no matter how the air purifier works, it cannot purify the air, and the resulting resources are wasted. Technical problems, as well as determining the opening of doors and windows, warning prompts, and controlling the air purifier to stop after the preset reminder period, further realizing the beneficial effects of energy saving.

Referring to FIG. 3, an embodiment of a window cleaner detecting device based on an air cleaner provided in an embodiment of the present invention includes:

a first determining unit 301, configured to determine that the air purifier is in an active state;

The detecting unit 302 is configured to detect the carbon dioxide content of the current air environment for a preset time period, and calculate a rate of change of the carbon dioxide content;

The second determining unit 303 is configured to determine whether there is a corresponding detection of windowing according to the increase or decrease of the carbon dioxide content and the rate of change.

In this embodiment, the first determining unit 301 determines that the air purifier is in an operating state, and then the detecting unit 302 performs a preset carbon dioxide content detection on the current air environment, and calculates a rate of change of the carbon dioxide content, and finally determines the second determination. The unit 303 determines whether there is a corresponding window detection based on the increase or decrease of the carbon dioxide content and the rate of change. The current air purifier only starts to work when it is started. However, when the window is opened, no matter how the air purifier works, it is a technical problem that the air is not purified and the resource is wasted.

The above is a detailed description of each unit based on the air purifier windowing detecting device. The subunit will be described in detail below. Referring to FIG. 4, an air purifier based window opening detection according to an embodiment of the present invention is provided. One embodiment of the device includes:

The obtaining unit 401 is configured to acquire an instruction to turn on the air cleaner window detection.

a first determining unit 402, configured to determine that the air purifier is in an active state;

The detecting unit 403 is configured to perform a preset carbon dioxide content detection on the current air environment, and calculate a rate of change of the carbon dioxide content;

The detecting unit 403 specifically includes:

The detecting subunit 4031 is configured to perform a preset carbon dioxide content detection on the current air environment, and save the carbon dioxide content detected each time;

The calculating sub-unit 4032 is configured to calculate the rate of change of the carbon dioxide content in combination with the preset time length for detecting the carbon dioxide content.

The second determining unit 404 is configured to determine whether there is a corresponding detection of windowing according to the increase or decrease of the carbon dioxide content and the rate of change.

The second determining unit 404 specifically includes:

The windowless determination subunit 4041 is configured to determine that the door and window are not open when the carbon dioxide content increases and is greater than the preset carbon dioxide content value, and continue to maintain the air purifier in an active state.

The window opening determining subunit 4042 is configured to determine whether the rate of change of the carbon dioxide content reaches a preset decreasing rate when the carbon dioxide content decreases and is less than the preset carbon dioxide content value, and if so, an early warning prompt for opening the door and window is performed, and is preset The air purifier is controlled to stop after the warning prompt period.

In this embodiment, the first determining unit 402 determines that the air purifier is in an operating state, and then the detecting unit 403 detects the carbon dioxide content of the current air environment for a preset period of time, and calculates a rate of change of the carbon dioxide content, and finally determines the second determination. The unit 404 determines whether there is a corresponding windowing detection according to the increase or decrease of the carbon dioxide content and the rate of change, and solves the problem that the current air purifier starts to work only at the time of starting, however, when the window is opened, regardless of the air purification How the device works, but it is unable to purify the air, resulting in resources Wasted technical problems, as well as determining the opening of doors and windows, warning prompts, and controlling the air purifier to stop after the preset reminder period, further realizing the beneficial effects of energy saving.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

The above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some of the technical features. Modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the invention.

Claims

A method for detecting window opening based on an air purifier, comprising:

Make sure the air purifier is working;

Detecting the carbon dioxide content of the current air environment for a preset period of time, and calculating a rate of change of the carbon dioxide content;

A corresponding detection of the presence of windowing is determined based on the increase or decrease in the carbon dioxide content and the rate of change.
The air purifier window opening detecting method according to claim 1, wherein before the determining that the air purifier is in an operating state, the method further comprises:

Obtain an instruction to turn on the air purifier window detection.
The air purifier window-opening detection method according to claim 2, wherein the detecting the carbon dioxide content of the preset air length for the current air environment, and calculating the rate of change of the carbon dioxide content comprises:

Pre-set the carbon dioxide content of the current air environment, and save the carbon dioxide content of each test;

For the detection of the carbon dioxide content, the rate of change of the carbon dioxide content is calculated in conjunction with the preset time length.
The method according to claim 3, wherein when the carbon dioxide content increases and is greater than a preset carbon dioxide content value, it is determined that the door and window are not opened, and the air purifier is maintained. State the work status.
The air purifier window opening detecting method according to claim 4, wherein

When the carbon dioxide content decreases and is less than the preset carbon dioxide content value, it is determined whether the rate of change of the carbon dioxide content reaches a preset decreasing rate, and if so, an early warning prompt for opening the door and window is performed, and after the preset warning prompt period The air purifier is controlled to stop.
A window cleaner detecting device based on an air purifier, comprising:

a first determining unit, configured to determine that the air purifier is in an active state;

a detecting unit, configured to perform a preset carbon dioxide content detection on a current air environment, and calculate a rate of change of the carbon dioxide content;

a second determining unit for increasing or decreasing according to the carbon dioxide content and the change The rate determines whether there is a corresponding detection of windowing.
The air purifier window-opening detecting device according to claim 6, wherein the air purifier based window detecting device further comprises:

The obtaining unit is configured to acquire an instruction to turn on the air cleaner window detection.
The air purifier window-opening detecting device according to claim 7, wherein the detecting unit comprises:

a detection subunit for detecting the carbon dioxide content of the current air environment for a preset period of time, and storing the carbon dioxide content of each detection;

Calculating a subunit for calculating a rate of change of the carbon dioxide content in conjunction with the preset time length for detecting the carbon dioxide content.
The air conditioner based window opening detecting device according to claim 9, wherein the second determining unit specifically comprises:

The windowless determination subunit is configured to determine that the door and window are not open when the carbon dioxide content increases and is greater than a preset carbon dioxide content value, and continue to maintain the air purifier in the working state.
The air purifier window-opening detecting device according to claim 8, wherein the second determining unit further comprises:

a window determining subunit, configured to determine whether the rate of change of the carbon dioxide content reaches a preset decreasing rate when the carbon dioxide content decreases and is less than a preset carbon dioxide content value; and if so, an early warning prompt for opening the door and window is performed, and The air purifier is stopped after the preset warning prompt period.