阅读说明：本技术 一种空调器控制方法、控制装置及空调器 (Air conditioner control method and device and air conditioner ) 是由 袁小辉 汪鹏飞 侯竑宇 孙朋飞 郝本华 张德明 于 2021-07-28 设计创作，主要内容包括：本发明提供一种空调器控制方法、控制装置及空调器,涉及空调器智能控制技术领域,控制方法包括：获取红外温度值,判断红外温度值是否大于预设温度值,若是,则获取二氧化碳浓度值；若否,则等待第一时长后重新判断；在获取二氧化碳浓度值后,判断二氧化碳浓度值是否大于预设浓度值,若是,则生成火灾警报信号；若否,则等待第二时长后重新判断。本发明通过空调器目前已设置的红外传感器,另外添加二氧化碳浓度传感器,通过温度与二氧化碳浓度的双重条件来判断是否发生火灾,判断过程更加准确,并在判断结果为发生火灾时,及时生成火灾警报信号,提醒周围用户进行灭火或采取救火措施。(The invention provides an air conditioner control method, a control device and an air conditioner, and relates to the technical field of intelligent control of air conditioners, wherein the control method comprises the following steps: acquiring an infrared temperature value, judging whether the infrared temperature value is greater than a preset temperature value, and if so, acquiring a carbon dioxide concentration value; if not, judging again after waiting for the first time; after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is greater than a preset concentration value, if so, generating a fire alarm signal; if not, the judgment is carried out again after waiting for the second time length. According to the invention, the infrared sensor which is arranged at present in the air conditioner is additionally provided with the carbon dioxide concentration sensor, whether a fire disaster occurs or not is judged through double conditions of temperature and carbon dioxide concentration, the judgment process is more accurate, and when the judgment result is that the fire disaster occurs, a fire disaster alarm signal is generated in time to remind surrounding users to put out a fire or take fire fighting measures.)

1. An air conditioner control method, comprising:

after the air conditioner is started, acquiring an infrared temperature value, judging whether the infrared temperature value is larger than a preset temperature value or not, and if so, acquiring a carbon dioxide concentration value; if not, waiting for the first time length, then re-acquiring the infrared temperature value and returning to judge whether the infrared temperature value is greater than the preset temperature value;

after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is larger than a preset concentration value, if so, generating a fire alarm signal; if not, waiting for a second time period, then re-acquiring the infrared temperature value, and returning to judge whether the infrared temperature value is greater than the preset temperature value.

2. The air conditioner control method according to claim 1, wherein when a fire alarm signal is generated, a telephone alert instruction is generated according to the fire alarm signal, a telephone alarm program is entered according to the telephone alert instruction, the telephone alarm program includes an execution telephone alert instruction, and the execution result of the telephone alert instruction includes at least one of sending an alarm short message, popping up an APP alarm notification, and dialing a voice alarm call.

3. The air conditioner control method according to claim 2, wherein within a third time period after the execution of the telephone alert instruction, if a telephone alert program exit instruction or a confirmation instruction is not received, the fire alarm telephone alert instruction is executed after the third time period, and a voice alert telephone is dialed to a fire department and/or a property department;

the confirmation instruction comprises: a short message reply instruction, an APP notification confirmation instruction or a telephone connection instruction.

4. The air conditioner control method according to any one of claims 1 to 3, wherein, when the fire alarm signal is generated, it is determined whether the air conditioner is in a cooling mode, and if so, the air conditioner is controlled to continue to operate in the cooling mode; if not, the air conditioner is switched to a refrigeration mode.

5. The air conditioner controlling method of claim 4, wherein after the fire alarm signal is generated and the air conditioner is operated in a cooling mode, the air conditioner compressor is controlled to be operated at a maximum frequency and the inner and outer fans are controlled to be operated at a maximum rotation speed.

6. The air conditioner control method according to claim 5, wherein after the fire alarm signal is generated, a thermal infrared image detected by an infrared sensor is acquired, a fire source position is acquired from the thermal infrared image, and the air conditioner controls the position of the air guide plate to control the direction of the outlet air to supply air toward the fire source position.

7. The air conditioner control method according to claim 1, wherein after the fire alarm signal is generated, a first thermal infrared image detected by an infrared sensor is acquired, a second thermal infrared image detected by the infrared sensor is acquired again after waiting for a fourth time period, a pixel difference between the second thermal infrared image and the first thermal infrared image is calculated, a ratio of the pixel difference to a pixel of the first infrared image is calculated, and when the ratio is greater than a preset value, the air conditioner executes a fire alarm call reminding instruction to make a voice alarm call to a fire department and/or a property department.

8. The air conditioner control method according to claim 1, wherein when the infrared temperature value is greater than the preset temperature value as a result of the determination, waiting for a fifth time period to obtain the infrared temperature value again and calculating an infrared temperature difference value before and after the fifth time period, determining whether the infrared temperature difference value is greater than zero, if so, obtaining a carbon dioxide concentration value, and determining whether the carbon dioxide concentration value is greater than the preset concentration value; if not, acquiring the infrared temperature value again, and judging whether the infrared temperature value is greater than the preset temperature value again.

9. A control device for implementing the air conditioner control method according to any one of claims 1 to 8, comprising:

the infrared sensor is used for acquiring a thermal infrared image and an infrared temperature value;

the carbon dioxide concentration sensor is used for acquiring a carbon dioxide concentration value;

the controller is used for judging whether the infrared temperature value is larger than a preset temperature value or not, and if so, acquiring a carbon dioxide concentration value; if not, waiting for the first time length, then re-acquiring the infrared temperature value and returning to judge whether the infrared temperature value is greater than the preset temperature value; after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is larger than a preset concentration value, if so, generating a fire alarm signal; if not, waiting for a second time period, then re-acquiring the infrared temperature value, and returning to judge whether the infrared temperature value is greater than the preset temperature value.

10. An air conditioner characterized by comprising the control device according to claim 9.

Technical Field

The invention relates to the technical field of intelligent control of air conditioners, in particular to a control method and a control device of an air conditioner and the air conditioner.

Background

When a fire breaks out at home, the smoke alarm needs certain smoke concentration to send out alarm information, if the smoke alarm sounds at night or when no person is at home, people cannot know fire information at the fastest speed.

For example, when a person sleeps at night, a fire is generated, and in the early stage of the fire, when the fire is not strong, the initial fire cannot be extinguished in time due to the deep sleep state of the person, when the fire becomes strong, the fire is difficult to extinguish, and in severe cases, a huge fire is caused.

Although the existing smoke alarm has a sound reminding function, when the smoke concentration is too high and a fire disaster does not happen, misjudgment occurs, and therefore community workers or firefighters acquire wrong fire information.

Disclosure of Invention

The invention provides an air conditioner control method, a control device and an air conditioner, which are used for solving the defects of inaccurate fire identification and low identification speed of a smoke alarm in the prior art and realizing the air conditioner control method, the control device and the air conditioner.

The invention provides an air conditioner control method, which comprises the following steps:

after the air conditioner is started, acquiring an infrared temperature value, judging whether the infrared temperature value is larger than a preset temperature value or not, and if so, acquiring a carbon dioxide concentration value; if not, waiting for the first time length, then re-acquiring the infrared temperature value and returning to judge whether the infrared temperature value is greater than the preset temperature value;

after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is larger than a preset concentration value, if so, generating a fire alarm signal; if not, waiting for a second time period, then re-acquiring the infrared temperature value, and returning to judge whether the infrared temperature value is greater than the preset temperature value.

According to the air conditioner control method provided by the invention, when a fire alarm signal is generated, a telephone reminding instruction is generated according to the fire alarm signal, a telephone alarm program is entered according to the telephone reminding instruction, the telephone alarm program comprises an execution telephone reminding instruction, and the execution result of the telephone reminding instruction comprises at least one of sending an alarm short message, popping up an APP alarm notification and dialing a voice alarm call.

According to the air conditioner control method provided by the invention, within a third time period after the telephone reminding instruction is executed, if a telephone alarm program exit instruction or a confirmation instruction is not received, a fire alarm telephone reminding instruction is executed after the third time period, and a voice alarm telephone is dialed to a fire department and/or a property department;

the confirmation instruction comprises: a short message reply instruction, an APP notification confirmation instruction or a telephone connection instruction.

According to the control method of the air conditioner, provided by the invention, when the fire alarm signal is generated, whether the air conditioner is in a refrigeration mode is judged, and if yes, the air conditioner is controlled to continue to operate in the refrigeration mode; if not, the air conditioner is switched to a refrigeration mode.

According to the air conditioner control method provided by the invention, after the fire alarm signal is generated, when the air conditioner operates in a cooling mode, the compressor frequency of the air conditioner is controlled to operate at the maximum frequency, and the inner fan and the outer fan operate at the maximum rotating speed.

According to the air conditioner control method provided by the invention, after the fire alarm signal is generated, the thermal infrared image detected by the infrared sensor is acquired, the fire source position is acquired according to the thermal infrared image, and the air conditioner controls the position of the air deflector so as to control the air outlet direction to supply air towards the fire source position.

According to the air conditioner control method provided by the invention, after a fire alarm signal is generated, a first thermal infrared image detected by an infrared sensor is acquired, a second thermal infrared image detected by the infrared sensor is acquired again after waiting for a fourth time, the pixel difference between the second thermal infrared image and the first thermal infrared image is calculated, the ratio of the pixel difference to the pixel of the first infrared image is calculated, and when the ratio is greater than a preset value, the air conditioner executes a fire alarm call reminding instruction and makes a voice alarm call to a fire department and/or a property department.

According to the air conditioner control method provided by the invention, when the judgment result is that the infrared temperature value is greater than the preset temperature value, waiting for a fifth time period to obtain the infrared temperature value again, calculating an infrared temperature difference value before and after the fifth time period, judging whether the infrared temperature difference value is greater than zero, if so, obtaining a carbon dioxide concentration value, and judging whether the carbon dioxide concentration value is greater than a preset concentration value; if not, acquiring the infrared temperature value again, and judging whether the infrared temperature value is greater than the preset temperature value again.

The present invention also provides a control device for implementing the air conditioner control method as described in any one of the above, including:

the infrared sensor is used for acquiring a thermal infrared image and an infrared temperature value;

the carbon dioxide concentration sensor is used for acquiring a carbon dioxide concentration value;

the controller is used for judging whether the infrared temperature value is larger than a preset temperature value or not, and if so, acquiring a carbon dioxide concentration value; if not, waiting for the first time length, then re-acquiring the infrared temperature value and returning to judge whether the infrared temperature value is greater than the preset temperature value; after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is larger than a preset concentration value, if so, generating a fire alarm signal; if not, waiting for a second time period, then re-acquiring the infrared temperature value, and returning to judge whether the infrared temperature value is greater than the preset temperature value.

The invention also provides an air conditioner which comprises the control device.

According to the air conditioner control method, the control device and the air conditioner, the existing infrared sensor of the air conditioner is used, the carbon dioxide concentration sensor is additionally arranged, whether a flame is generated or not is judged through the temperature value detected by the infrared sensor, the possibility of fire is judged when the temperature is abnormal, whether the fire is generated or not is judged through the carbon dioxide concentration detected by the carbon dioxide concentration sensor, whether the fire is generated or not is judged through the dual conditions of the temperature and the carbon dioxide concentration, the judgment process is more accurate, and when the judgment result is that the fire is generated, a fire alarm signal is generated in time to remind surrounding users to extinguish the fire or take fire fighting measures.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic flow chart of a method for controlling an air conditioner according to the present invention;

fig. 2 is a schematic structural diagram of a controller provided by the present invention.

Reference numerals:

1: a processor; 2: a communication interface; 3: a memory;

4: a communication bus.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "first" and "second", etc. are numbers that are used for clearly illustrating the product parts and do not represent any substantial difference. "upper", "lower", "inner", and the like are used merely to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may also be changed accordingly. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the description of the present invention "in the range of …" includes both end values. Such as "in the range of 10 to 20," includes both ends of the range of 10 and 20.

It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. Specific meanings of the above terms in the embodiments of the invention will be understood to those of ordinary skill in the art in specific cases.

The following describes an air conditioner control method, a control device and an air conditioner according to the present invention with reference to fig. 1 to 2.

Specifically, the air conditioner control method of the present embodiment includes the following steps:

step S1, acquiring an infrared temperature value after the air conditioner is started;

specifically, the air conditioner is provided with an infrared sensor which can detect the integral temperature value of the environment where the air conditioner is located in real time;

it should be noted that the infrared sensor can acquire temperature values of different areas in the overall environment, and the highest temperature value among the temperature values of the plurality of areas is the infrared temperature value of this embodiment;

step S2, judging whether the infrared temperature value is larger than a preset temperature value, if not, waiting for the first time length, then acquiring the infrared temperature value again and judging whether the infrared temperature value is larger than the preset temperature value; if so, acquiring a carbon dioxide concentration value;

specifically, the preset temperature value is in the range of 180 ℃ to 220 ℃, preferably 200 ℃, and when the fire is initiated, the temperature of the flame or the small-range fire is more than 200 ℃; when the infrared temperature value detected by the infrared sensor is greater than 200 ℃, judging that the environment where the air conditioner is located has a tendency of firing, further acquiring the concentration of carbon dioxide, and judging whether the air conditioner fires according to the concentration of the carbon dioxide;

step S3, after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is larger than a preset concentration value, if so, generating a fire alarm signal; if not, waiting for a second time period, then re-acquiring the infrared temperature value and judging whether the infrared temperature value is greater than a preset temperature value or not;

specifically, the concentration of the carbon dioxide threshold set according to the fire standard in the conventional fire detector is used as the preset concentration value, and when the air conditioner detects that the indoor area temperature is greater than the preset temperature value and the indoor carbon dioxide concentration value is greater than the preset concentration value, it is accurately determined that fire occurs indoors.

Specifically, when the fire alarm signal is generated, the alarm device of the air conditioner sends out a fire alarm, such as a voice alarm, to remind surrounding users of the occurrence of fire.

According to the control method of the air conditioner, the infrared sensor is arranged at present in the air conditioner, the carbon dioxide concentration sensor is additionally arranged, whether a flame is generated or not is judged through the temperature value detected by the infrared sensor, the possibility of fire is judged when the temperature is abnormal, whether the fire is generated or not is judged through the carbon dioxide concentration detected by the carbon dioxide concentration sensor, whether the fire is generated or not is judged through the dual conditions of the temperature and the carbon dioxide concentration, the judgment process is more accurate, and when the judgment result is that the fire is generated, a fire alarm signal is generated in time to remind surrounding users to put out a fire or take fire fighting measures.

Preferably, in the air conditioner control method according to this embodiment, when the fire alarm signal is generated, the telephone alert instruction is generated according to the fire alarm signal, and the telephone alert program is entered according to the telephone alert instruction, where the telephone alert program includes an execution telephone alert instruction, and an execution result of the telephone alert instruction includes at least one of sending an alert short message, popping up an APP alert notification, and making a voice alert call.

Specifically, be provided with communication module in the air conditioner, communication module is connected with controller electricity in the air conditioner, can receive the phone that the controller sent and remind the instruction, to urgent contact cell-phone sending SMS, dial urgent phone or with the cell-phone APP of urgent contact send the notice instruction to when judging out the fire trend, remind the very first time through phone, SMS or APP and inform the user to take place the conflagration.

For example, when a call reminding instruction is executed, an alarm short message is sent to an emergency contact mobile phone and a voice alarm call is dialed, and an alarm notification is popped out from an APP corresponding to an air conditioner. When the pre-stored emergency contact is a non-mobile phone, only dialing a voice alarm call; and when the pre-stored emergency contact is a non-smart phone, only sending an alarm short message and dialing a voice alarm call.

Specifically, sending an alert short message refers to sending an alert short message text to an emergency contact mobile phone, such as: fire alarm! The temperature and the carbon dioxide concentration in an X unit number room of an X unit in an XX district XX street XX district XX in XX city of XX province are too high, so that the fire hazard exists, and the word for reminding a user to check and extinguish the fire is called, such as 'treatment as soon as possible'. Preferably, a conventional fire-starting processing method is attached to the back of the short message so as to guide the emergency contact to correctly extinguish the fire or escape.

Specifically, dialing the voice alarm means that the communication module dials a phone number of the emergency contact, and voice communication contents are set in the communication module, such as: fire alarm! And the temperature and carbon dioxide in an X unit X number room of an XX district XX street XX district XX in XX city of XX province are too high, so that the people are in danger of fire and ask for treatment as soon as possible, and the emergency contact is not hung up and the contents are repeatedly broadcasted.

Specifically, pop out alarm notice among the APP, refer to the cell-phone APP (like hai's wisdom family APP) that passes through internet connection with the air conditioner to with the account information that corresponds the air conditioner matching, in the APP of login matching account, pop out alarm notice, if pop out the dialog box that has the word description: fire alarm! And the temperature and carbon dioxide in an X unit number room of an X unit in an XX district XX street XX district XX in XX city of XX province are too high, so that the fire hazard exists, and the word for reminding a user to check and extinguish the fire is processed as soon as possible. Preferably, the dialog box is also accompanied by a conventional processing method for fire, so as to guide the emergency contact to correctly extinguish the fire or escape.

The air conditioner of this embodiment, inside sets up communication module. The mobile phone is used as electronic communication equipment which is used by people for the longest time, and generally the mobile phone is not far away from the periphery of people and can be placed beside a bed even when the people sleep. The communication module that this embodiment passes through the air conditioner is built-in, when judging out when taking place the conflagration, can carry out the police dispatch newspaper to urgent contact the very first time, improves the promptness and the validity of conflagration warning.

Preferably, the air conditioner further comprises an electricity storage device, wherein the electricity storage device is suitable for supplying electricity to the infrared sensor, the carbon dioxide concentration sensor, the controller, the communication module and the alarm device. The electricity storage device can be a battery pack or an electricity storage battery. When arousing air conditioner power supply circuit disconnection because of the conflagration, accumulate device can be for infrared sensor, carbon dioxide concentration sensor, controller, communication module and alarm device power supply to preferentially supply power to alarm device and communication module when the electric quantity is not enough, accumulate device can ensure that the air conditioner can normally send out the police dispatch newspaper to the user and remind.

Preferably, within a third time period after the telephone reminding instruction is executed, if a telephone alarm program exit instruction or a confirmation instruction is not received, the fire alarm telephone reminding instruction is executed after the third time period, and a voice alarm telephone is dialed to a fire department and/or a property department;

the confirmation instruction includes: a short message reply instruction, an APP notification confirmation instruction or a telephone connection instruction.

Specifically, the confirmation instruction includes: the short message reply instruction, the APP notification confirmation instruction or the telephone connection instruction are included, wherein the short message reply instruction is that the user replies short message information after seeing the short message alarm, and the telephone module receives the short message replied by the user no matter replies any content, namely the telephone module is determined to receive the confirmation instruction; the APP notification confirmation instruction is that a confirmation button is arranged in an alarm dialog box popped up by the APP, and a user selects the confirmation button through man-machine interaction, confirms that the air conditioner receives the confirmation instruction and indicates that the user receives a fire alarm prompt; the call connection instruction refers to the call connection, and the air conditioner confirms that the confirmation instruction is received, so that the user receives the fire alarm prompt.

The exit instruction is that when the user finds that the smoke alarm is reported by mistake, the user selects to exit the telephone alarm program through an exit key arranged on the air conditioner, wherein the exit instruction also comprises a fire detection program in the remote controller reset.

Specifically, after the telephone module executes a telephone reminding instruction, such as sending a short message to an emergency contact with a first priority, making a call and popping up an APP application notification, a confirmation instruction sent by a user is received within a certain time period, indicating that the user knows a fire alarm, and the air conditioner exits the telephone alarm program. And when the confirmation instruction or the quit instruction is not received within the third time length, sending a short message, making a call and popping up an APP application notification to the emergency contact persons with the second priority, and so on, and when the confirmation instruction or the quit instruction of all the emergency contact persons is not received, sending the short message, making a call and popping up the APP application notification to the emergency contact persons with the first priority again, and circularly notifying.

Further, when a fire alarm signal is generated, whether the air conditioner is in a refrigeration mode is judged, and if yes, the air conditioner is controlled to continue to operate in the refrigeration mode; if not, the air conditioner is switched to a refrigeration mode.

When the air conditioner judges that a fire disaster occurs, whether the air conditioner operates in a refrigeration mode is judged, and the air conditioner is forcibly switched to operate in the refrigeration mode under the operation of a non-refrigeration mode, so that the indoor environment temperature is reduced to the maximum extent, and the time for a user to escape through a fire space is obtained.

Preferably, after the fire alarm signal is generated, the air conditioner is operated in a cooling mode, the compressor frequency of the air conditioner is controlled to operate at a maximum frequency, and the inner fan and the outer fan operate at a maximum rotation speed.

After the air conditioner judges that fire occurs, the air conditioner forcibly controls the air conditioner to operate in a refrigeration mode, and controls an air conditioner compressor to operate at the highest power, so that the air conditioner blows cold air with the largest air speed and the lowest temperature, and the indoor environment temperature is reduced to the greatest extent.

Specifically, in this embodiment, after the fire alarm signal is generated, the thermal infrared image detected by the infrared sensor is acquired, the position of the fire source is acquired according to the thermal infrared image, and the air conditioner controls the position of the air guide plate to control the direction of the outlet air to supply air toward the position of the fire source.

Combine above-mentioned technical scheme, when the air conditioner judges that the air conditioner conflagration breaks out, the air conditioner is with the operation of highest refrigeration power, blow out the biggest cold wind of amount of wind and the minimum cold wind of temperature, and judge the position of a fire source through infrared sensor, the position of control air conditioner aviation baffle is so that the cold wind direction is towards the position air supply of fire source, with the fastest cooling to fire source position, prevent that the fire source from starting to work fast, help is provided for the user puts out the fire behavior fast, for the user flees from the creation condition fast, strive for the user time of fleing from.

Further, after a fire alarm signal is generated, a first thermal infrared image detected by an infrared sensor is obtained, a second thermal infrared image detected by the infrared sensor is obtained again after waiting for a fourth time period, the pixel difference between the second thermal infrared image and the first thermal infrared image is calculated, the ratio of the pixel difference to the pixel of the first infrared image is calculated, and when the ratio is greater than a preset value, the air conditioner executes a fire alarm call reminding instruction and dials a voice alarm call to a fire department and/or a property department.

In the air conditioner control method according to the embodiment, when the air conditioner determines that a fire disaster occurs, a first thermal infrared image corresponding to the current moment of the fire disaster area is obtained in time, wherein the thermal infrared image refers to an area profile with a temperature value higher than a first preset temperature and is stored in a storage module of the controller; and after the fourth time length is operated, the fourth time length can be set to be 5 seconds or 10 seconds, a second thermal infrared image detected by the infrared sensor after the fourth time length is obtained, the pixel difference between the second thermal infrared image and the first thermal infrared image is calculated, the ratio of the pixel difference to the first thermal infrared image is calculated, and whether the fire is increased or not is judged according to the ratio and a preset value.

As the fire breaks out, the fire range is gradually enlarged, and the high-temperature area is gradually increased. Whether this embodiment increases through thermal infrared image pixel to whether the increase rate is greater than and predetermines numerical value and judge whether the intensity of a fire increases, when judging that the intensity of a fire increases, in time dial the pronunciation alarm telephone to fire department and property department, prevent that the intensity of a fire from further increasing.

Preferably, when the infrared temperature value is greater than the preset temperature value according to the judgment result, waiting for a fifth time period to obtain the infrared temperature value again, calculating an infrared temperature difference value before and after the fifth time period, judging whether the infrared temperature difference value is greater than zero, if so, obtaining a carbon dioxide concentration value, and judging whether the carbon dioxide concentration value is greater than the preset concentration value; if not, acquiring the infrared temperature value again, and judging whether the infrared temperature value is larger than the preset temperature value again.

When the air conditioner judges that the infrared temperature value is greater than the preset temperature value, whether the temperature is increased before and after the fifth time is long is judged to be a fire, and the phenomenon that the air conditioner continuously enters a carbon dioxide concentration detection program due to short-time temperature increase of a user caused by ignition of a lighter and the like is prevented. And determining that a long-time heat source appears indoors through the temperature change before and after the fifth time period, and further judging whether a fire disaster occurs or not through the concentration of carbon dioxide.

Specifically, the present embodiment further provides a control device for implementing the air conditioner control method according to any one of the above methods, including:

the infrared sensor is used for acquiring a thermal infrared image and an infrared temperature value;

the carbon dioxide concentration sensor is used for acquiring a carbon dioxide concentration value;

the controller is used for judging whether the infrared temperature value is larger than a preset temperature value or not, and if so, acquiring a carbon dioxide concentration value; if not, waiting for the first time length, then re-acquiring the infrared temperature value and returning to judge whether the infrared temperature value is greater than the preset temperature value; after the carbon dioxide concentration value is obtained, judging whether the carbon dioxide concentration value is larger than a preset concentration value, if so, generating a fire alarm signal; if not, waiting for a second time period, then re-acquiring the infrared temperature value, and returning to judge whether the infrared temperature value is greater than the preset temperature value.

Fig. 2 illustrates a physical structure diagram of a controller, and as shown in fig. 2, the controller may include: the system comprises a processor (processor)1, a communication Interface (communication Interface)2, a memory (memory)3 and a communication bus 4, wherein the processor 1, the communication Interface 2 and the memory 3 complete mutual communication through the communication bus 4. The processor 1 may call logic instructions in the memory 3 to perform the above-described air conditioner control method.

In addition, the logic instructions in the memory 3 may be implemented in the form of software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions which, when executed by a computer, the computer is capable of executing the above-described air conditioner control method.

In still another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which is implemented by a processor to perform the above-described air conditioner control method.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.

The embodiment also provides an air conditioner, which comprises the control device.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.