CN110579001A - Control method and device of air conditioner - Google Patents
Control method and device of air conditioner Download PDFInfo
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- CN110579001A CN110579001A CN201910740699.8A CN201910740699A CN110579001A CN 110579001 A CN110579001 A CN 110579001A CN 201910740699 A CN201910740699 A CN 201910740699A CN 110579001 A CN110579001 A CN 110579001A
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- carbon dioxide
- limiting plate
- window
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/66—Volatile organic compounds [VOC]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/72—Carbon monoxide
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a control method and a device of an air conditioner, wherein the device comprises the following steps: the carbon dioxide sensor is used for detecting the concentration of indoor carbon dioxide, the windowing module is arranged on a window and used for opening the window, and the carbon dioxide sensor and the windowing module are electrically connected with the main controller. According to the invention, the linear regression prediction is carried out on the carbon dioxide concentration data by collecting the indoor carbon dioxide concentration data, the window and the air supply mode of the air conditioner are opened in time, the air circulation is increased, and the carbon dioxide concentration is reduced.
Description
Technical Field
the invention relates to the technical field of air conditioner products, in particular to a control method and a control device of an air conditioner.
Background
In the prior art, only the window air conditioner capable of ventilating the air conditioner has the function, and the ventilation probability is only 10% of the refrigerating capacity of the air conditioner. Various split air conditioners have no ventilation function. No matter in summer or winter, people open the air conditioner for a long time, and the window and door are closed, so that indoor air is not circulated, harmful substances in the indoor environment cannot be discharged in time, the indoor air quality can be reduced, and the human health is influenced.
The human body is very sensitive to the increase of carbon dioxide in the air, and every 0.5% increase of carbon dioxide content leads to the obvious reflection of the human body. If we are in a room with too high carbon dioxide for a short period of time, the carbon dioxide will have the following effects on our body:
When the concentration of carbon dioxide reaches 1% (1000PPM), people feel bored, and begin to loose their attention and feel palpitations. If the carbon dioxide reaches 1000PPM in the airtight bedroom and we sleep continuously for 8 hours, we feel that we have no rest when getting up in the morning and do not want to get up. If the air in the office contains CO2The content reaches 1000PPM, and the working efficiency of staff is reduced. When the concentration of carbon dioxide reaches 1500-2000PPM, people can feel asthma, headache and dizziness. Two people sleep in a closed bedroom for one night, and the concentration of carbon dioxide can easily reach 2000 PPM. Air CO of office2when the concentration reaches 2000PPM, the staff feel sleepy, the attention is not focused, and the spirit is tired. After the amount exceeds 2000PPM, the staff do not even want to continue working, and the thinking ability is obviously reduced. Above 5000PPM, the body functions are seriously disordered, which makes people lose consciousness and unclear consciousness.
Disclosure of Invention
The invention aims to solve the technical problems that: when the air conditioner is started for a long time, indoor air is not circulated, and the influence on the human body is caused by overhigh indoor carbon dioxide concentration.
The invention provides a control method and a control device of an air conditioner, which can automatically open a window for air circulation and reduce the concentration of carbon dioxide by detecting the concentration of the carbon dioxide.
The solution of the invention for solving the technical problem is as follows:
The control method of the air conditioner comprises a carbon dioxide sensor and a window opening module, wherein the window opening module is used for opening a window, and the method comprises the following steps:
When the air conditioner is in a refrigerating or heating mode, acquiring indoor carbon dioxide concentration data to obtain a set of carbon dioxide concentration data in unit time, wherein the set of carbon dioxide concentration data comprises a plurality of discrete carbon dioxide concentration data points (t, C), and C represents the indoor carbon dioxide concentration at the moment t;
Performing linear regression on the set of carbon dioxide concentration data in unit time to obtain a linear equation C of the change of the carbon dioxide concentration along with timei＝a*ti+ b, where i ═ 1, 2 … m, a and b are both constants;
Predicting a set of carbon dioxide predicted concentration data in the next unit time through a linear equation to obtain an average value of the set of carbon dioxide predicted concentration data, namely a predicted average value;
And when the a is a positive number and the predicted average value is greater than a preset first threshold value, sending an early warning signal, converting the air conditioner into an air supply mode, and opening the window by the windowing module.
A control device for an air conditioner, comprising: the carbon dioxide sensor is used for detecting the concentration of indoor carbon dioxide, the windowing module is arranged on a window and used for opening the window, and the carbon dioxide sensor and the windowing module are electrically connected with the main controller.
As a further improvement of the technical scheme, the window opening module comprises a window sash and a window frame, wherein the window opening module comprises a micro push rod motor, a push plate, a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate which are parallel to each other are arranged on the side wall of the lower portion of the window frame, and the first limiting plate and the second limiting plate are perpendicular to and fixedly connected with the side wall of the lower portion of the window frame;
the push plate is positioned between the first limiting plate and the second limiting plate and is respectively abutted against the first limiting plate and the second limiting plate, and a through hole is formed in the second limiting plate;
The micro push rod motor is fixedly arranged on the side wall of the lower part of the window sash and comprises a push rod, and the push rod penetrates through the through hole and is fixedly connected with the push plate;
the first limiting plate, the second limiting plate and the micro push rod motor are located on the same horizontal plane.
As the further improvement of the technical scheme, the device further comprises a formaldehyde concentration sensor, a nitric oxide concentration sensor, a sulfur dioxide concentration sensor and a TVOC concentration sensor, wherein the formaldehyde concentration sensor, the nitric oxide concentration sensor, the sulfur dioxide concentration sensor and the TVOC concentration sensor are respectively and electrically connected with the main controller.
As a further improvement of the technical scheme, the main controller is an ARM processor.
As a further improvement of the technical scheme, the model of the carbon dioxide sensor is COZIR-LP.
the invention has the beneficial effects that: according to the invention, the linear regression prediction is carried out on the carbon dioxide concentration data by collecting the indoor carbon dioxide concentration data, the window and the air supply mode of the air conditioner are opened in time, the air circulation is increased, and the carbon dioxide concentration is reduced.
Drawings
in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a schematic diagram of the module connection according to the present embodiment;
fig. 2 is a schematic structural view of a windowing module.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
embodiment 1, a method for controlling an air conditioner, comprising a carbon dioxide sensor 200 and a windowing module 300, wherein the windowing module 300 is used for opening a window, the method comprising:
When the air conditioner is in a refrigerating or heating mode, acquiring indoor carbon dioxide concentration data to obtain a set of carbon dioxide concentration data in unit time, wherein the set of carbon dioxide concentration data comprises a plurality of discrete carbon dioxide concentration data points (t, C), and C represents the indoor carbon dioxide concentration at the moment t;
performing linear regression on the set of carbon dioxide concentration data in unit time to obtain a linear equation C of the change of the carbon dioxide concentration along with timei＝a*ti+ b, where i ═ 1, 2 … m, a and b are both constants;
Predicting a set of carbon dioxide predicted concentration data in the next unit time through a linear equation to obtain an average value of the set of carbon dioxide predicted concentration data, namely a predicted average value;
And when the a is a positive number and the predicted average value is greater than a preset first threshold value, sending an early warning signal, converting the air conditioner into an air supply mode, and opening the window by the windowing module 300.
And when a is a positive number and the predicted average value is greater than a preset first threshold value, the concentration of the carbon dioxide is continuously increased, and the indoor air quality is poor. The unit time and the preset first threshold are both adjustable, the unit time in this embodiment is 1 hour, and the first threshold is 1000 PPM.
When a is a positive number, it indicates that the carbon dioxide concentration tends to increase.
The detection and acquisition frequency of the carbon dioxide sensor 200 is once per minute, a set of concentration data of carbon dioxide in unit time is obtained, a corresponding linear equation is obtained through linear regression, the time of the next unit time is substituted into the linear equation, linear regression prediction can be carried out, a set of carbon dioxide predicted concentration data in the next unit time is obtained, and finally a predicted average value is obtained through averaging.
The control method of the air conditioner comprises the steps of detecting the concentration of indoor carbon dioxide, conducting linear regression prediction on collected concentration data of the carbon dioxide to obtain a predicted average value of the concentration of the carbon dioxide, comparing the predicted average value of the concentration of the carbon dioxide with a first threshold value, sending an early warning signal to a user if the quality of indoor air is reduced when the predicted average value is larger than the first threshold value, converting the air conditioner into an air supply mode, opening a window by a window opening module 300, achieving indoor air circulation and reducing the concentration of the carbon dioxide.
The early warning signal can be an alarm sent by a buzzer or an early warning short message sent to a mobile phone of a user, but is not limited to the two forms. The early warning signal is used for reminding a user that indoor air quality is poor, and the user needs to open a window or a door as soon as possible for ventilation.
the method predicts the predicted average value of the carbon dioxide concentration in the next unit time through linear regression, is favorable for windowing in time before the indoor carbon dioxide concentration affects the human body, increases air circulation, reduces the indoor carbon dioxide concentration, and is more favorable for human health.
Referring to fig. 1 and 2, the control method of an air conditioner is applied to a control device of an air conditioner, the control device including: main control unit 100, carbon dioxide sensor 200 and windowing module 300, carbon dioxide sensor 200 is used for detecting indoor carbon dioxide concentration, windowing module 300 sets up on the window for open the window, carbon dioxide sensor 200 and windowing module 300 all with main control unit 100 is connected electrically.
The carbon dioxide sensor 200 is used for collecting indoor carbon dioxide concentration in a refrigeration or heating mode, sending collected carbon dioxide concentration data to the main controller 100, the main controller 100 performing linear regression on the received carbon dioxide concentration data to obtain a linear equation, performing linear equation prediction to obtain a set of carbon dioxide predicted concentration data in the next unit time, and further obtaining a predicted average value, when a is a positive number and the predicted average value is greater than a preset first threshold, the main controller 100 sends out an early warning signal to control an air conditioner to switch to an air supply mode, and simultaneously controls the window opening module 300 arranged on a window to open a window for air circulation.
The main controller 100 is electrically connected with the air conditioner controller, the main controller 100 sends a high level signal to the air conditioner controller, and the air conditioner controller controls the air conditioner to be converted into an air supply mode after receiving the high level signal.
the main controller 100 may be electrically connected to a buzzer, and when a is a positive number and the predicted average value is greater than a preset first threshold, the main controller 100 sends a high level signal to the buzzer, and the buzzer sends an early warning signal.
The main controller 100 is in communication connection with a mobile phone end of a user through a wireless transmission module, when a is a positive number and the prediction average value is larger than a preset first threshold value, the main controller 100 sends an early warning signal to the mobile phone end through the wireless transmission module, and after the early warning signal is received by the mobile phone end, the mobile phone end can inform the user of opening a window or opening a door for ventilation through a short message or voice notification.
As a preferred embodiment, the window opening module 300 further includes a window sash 306 and a window frame 307, the window opening module 300 includes a micro push rod motor 301, a push plate 303, a first limiting plate 304 and a second limiting plate 305, the side wall of the lower portion of the window frame 307 is provided with the first limiting plate 304 and the second limiting plate 305 which are parallel to each other, and the first limiting plate 304 and the second limiting plate 305 are both perpendicular to and fixedly connected to the side wall of the lower portion of the window frame 307;
The push plate 303 is located between the first limiting plate 304 and the second limiting plate 305 and is respectively abutted against the first limiting plate 304 and the second limiting plate 305, and a through hole is formed in the second limiting plate 305;
The micro push rod motor 301 is fixedly arranged on the side wall of the lower portion of the window sash 306, the micro push rod motor 301 comprises a push rod 302, and the push rod 302 penetrates through the through hole and is fixedly connected with the push plate 303;
The first limiting plate 304, the second limiting plate 305 and the micro-push rod motor 301 are located on the same horizontal plane. The push plate 303 is perpendicular to the push rod 302, and the push plate 303 is parallel to the first stopper plate 304 and the second stopper plate 305.
miniature push rod motor 301 with main control unit 100 electricity is connected, and main control unit 100 control during the module 300 of windowing windows, miniature push rod motor 301's push rod 302 extension promotes push pedal 303, push pedal 303 is right first limiting plate 304 has an effort, first limiting plate 304 does the counter force that push pedal 303 provided under the effect of counter force, miniature push rod motor 301 removes, keeps away from first limiting plate 304, drives casement 306 and removes at the in-process that removes, consequently realizes opening the window.
The sash 306 and the frame 307 described in this embodiment are constituent members of a sliding window.
further as a preferred embodiment, the system further comprises a formaldehyde concentration sensor 400, a nitric oxide concentration sensor 500, a sulfur dioxide concentration sensor 600 and a TVOC concentration sensor 700, wherein the formaldehyde concentration sensor 400, the nitric oxide concentration sensor 500, the sulfur dioxide concentration sensor 600 and the TVOC concentration sensor 700 are respectively electrically connected with the main controller 100.
the formaldehyde concentration sensor 400 is used for detecting and collecting indoor formaldehyde concentration, wherein the threshold value of the formaldehyde concentration is S1＝0.1mg/m3the nitric oxide concentration sensor 500 is used for detecting and collecting nitric oxide concentration, wherein the threshold value of the nitric oxide concentration is S2＝0.24mg/m3The sulfur dioxide concentration sensor 600 is used for detecting and collecting the sulfur dioxide concentration, wherein the threshold value of the sulfur dioxide concentration is S3＝0.50mg/m3The TVOC concentration sensor 700 is used to detect and collect TVOC concentration, wherein the threshold of the TVOC concentration is S4＝0.6mg/m3。
When the gas is detected to exceed the corresponding threshold value, the corresponding concentration sensor sends a high level signal to the main controller 100, and the main controller 100 sends an early warning signal after receiving the high level signal and opens the window through the windowing module 300.
further as a preferred embodiment, the main controller 100 is an ARM processor.
In a further preferred embodiment, the carbon dioxide sensor 200 is of the COZIR-LP type.
The device also comprises a power module which is used for providing electric energy for the whole device.
the invention predicts or judges the indoor air quality by detecting the concentration values of carbon dioxide and other harmful gases in real time, sends an early warning signal to a user when the indoor air quality is poor, controls to open a window and switches an air supply mode into an air supply mode, and circulates air in time, thereby being beneficial to ensuring the health of the user.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (6)
1. the control method of the air conditioner is characterized in that: the window opening method comprises the following steps of comprising a carbon dioxide sensor and a window opening module, wherein the window opening module is used for opening a window, and the method comprises the following steps:
when the air conditioner is in a refrigerating or heating mode, acquiring indoor carbon dioxide concentration data to obtain a set of carbon dioxide concentration data in unit time, wherein the set of carbon dioxide concentration data comprises a plurality of discrete carbon dioxide concentration data points (t, C), and C represents the indoor carbon dioxide concentration at the moment t;
performing linear regression on the set of carbon dioxide concentration data in unit time to obtain a linear equation C of the change of the carbon dioxide concentration along with timei＝a*ti+ b, where i ═ 1, 2 … m, a and b are both constants;
Predicting a set of carbon dioxide predicted concentration data in the next unit time through a linear equation to obtain an average value of the set of carbon dioxide predicted concentration data, namely a predicted average value;
And when the a is a positive number and the predicted average value is greater than a preset first threshold value, sending an early warning signal, converting the air conditioner into an air supply mode, and opening the window by the windowing module.
2. A control device for an air conditioner, comprising: the carbon dioxide sensor is used for detecting the concentration of indoor carbon dioxide, the windowing module is arranged on a window and used for opening the window, and the carbon dioxide sensor and the windowing module are electrically connected with the main controller.
3. The control device of an air conditioner according to claim 2, characterized in that: the window opening module comprises a micro push rod motor, a push plate, a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate which are parallel to each other are arranged on the side wall of the lower portion of the window frame, and the first limiting plate and the second limiting plate are perpendicular to and fixedly connected with the side wall of the lower portion of the window frame;
The push plate is positioned between the first limiting plate and the second limiting plate and is respectively abutted against the first limiting plate and the second limiting plate, and a through hole is formed in the second limiting plate;
The micro push rod motor is fixedly arranged on the side wall of the lower part of the window sash and comprises a push rod, and the push rod penetrates through the through hole and is fixedly connected with the push plate;
The first limiting plate, the second limiting plate and the micro push rod motor are located on the same horizontal plane.
4. the control device of an air conditioner according to claim 2, characterized in that: still include formaldehyde concentration sensor, nitric oxide concentration sensor, sulfur dioxide concentration sensor and TVOC concentration sensor, formaldehyde concentration sensor, nitric oxide concentration sensor, sulfur dioxide concentration sensor and TVOC concentration sensor are connected with main control unit electricity respectively.
5. The control device of an air conditioner according to claim 2, characterized in that: the main controller is an ARM processor.
6. The control device of an air conditioner according to claim 2, characterized in that: the model of the carbon dioxide sensor is COZIR-LP.
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| CN201910740699.8A CN110579001A (en) | 2019-08-12 | 2019-08-12 | Control method and device of air conditioner |
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| CN201910740699.8A CN110579001A (en) | 2019-08-12 | 2019-08-12 | Control method and device of air conditioner |
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| CN114992790A (en) * | 2022-04-27 | 2022-09-02 | 珠海格力电器股份有限公司 | Prompting method and device, electronic equipment and storage medium |
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| WO2021213545A1 (en) * | 2020-05-29 | 2021-10-28 | 青岛海尔电冰箱有限公司 | Method and device for predicting gas concentration by means of refrigerator, and refrigerator |
| CN112815497A (en) * | 2021-01-14 | 2021-05-18 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN112815497B (en) * | 2021-01-14 | 2022-04-22 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN114992790A (en) * | 2022-04-27 | 2022-09-02 | 珠海格力电器股份有限公司 | Prompting method and device, electronic equipment and storage medium |
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Application publication date: 20191217 |