CN110701749A - Intelligent air conditioner control method and device - Google Patents
Intelligent air conditioner control method and device Download PDFInfo
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- CN110701749A CN110701749A CN201910980637.4A CN201910980637A CN110701749A CN 110701749 A CN110701749 A CN 110701749A CN 201910980637 A CN201910980637 A CN 201910980637A CN 110701749 A CN110701749 A CN 110701749A
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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
- F24F11/66—Sleep 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
- F24F11/62—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
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/20—Feedback from users
Abstract
The invention discloses an intelligent air conditioner control method and device, relates to the technical field of intelligent home furnishing, and aims to dynamically adjust the output temperature of an air conditioner according to the sleep state of a user and keep the body feeling of the user at a proper temperature. The method comprises the following steps: scanning an indoor environment to generate temperature thermal imaging, and acquiring human heart rate parameters to judge the sleep state of a user; judging the position of the human body according to temperature thermal imaging, and judging the position of the bed body according to the frequency of the position of the human body within a period of time; obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of the residual area in indoor temperature thermal imaging; the output temperature of the air conditioner is dynamically adjusted according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user. The device is applied with the method provided by the scheme.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to an intelligent air conditioner control method and device.
Background
The suitable temperature of the body feeling is different when a person is in a sleeping state and a non-sleeping state, when the user opens the air conditioner to fall asleep (the non-sleeping state), a suitable temperature is set, the suitable temperature of the human body is changed along with the change of the sleeping state of the user, if the air conditioner is continuously operated at the previously set temperature, the indoor temperature cannot be accurately adjusted along with the sleeping state of the user, and the phenomenon that the person is cooled and is awakened by freezing or is overheated and is awakened by heating can occur when the person goes deep into sleep.
In the prior art, the air conditioner is controlled in a mode of presetting a sleep curve, for example, after a sleep function is started, the output temperature of the air conditioner is quantitatively adjusted at certain intervals, for example, the set temperature is increased by 1 ℃ after 1 hour, and the temperature is increased by 1 ℃ after 2 hours.
Disclosure of Invention
The invention aims to provide an intelligent air conditioner control method and device, which can dynamically adjust the output temperature of an air conditioner according to the sleep state of a user and keep the body feeling of the user at an appropriate temperature.
In order to achieve the above object, an aspect of the present invention provides an intelligent air conditioner control method, including:
scanning an indoor environment to generate temperature thermal imaging, and acquiring human heart rate parameters to judge the sleep state of a user;
judging the position of the human body according to the temperature thermal imaging, and judging the position of the bed body according to the frequency of the position of the human body within a period of time;
obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of the residual area in the indoor temperature thermal imaging;
the output temperature of the air conditioner is dynamically adjusted according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user.
Specifically, the method for acquiring the human body heart rate parameters and judging the sleep state of the user comprises the following steps:
acquiring current heart rate parameters of a human body through a bracelet, and when the current heart rate parameters are equal to preset heart rate parameters, sending vibration prompts and receiving vibration feedback of a user, wherein the vibration prompts are sent for n times, the time of interval vibration prompts is t, and the vibration feedback forms comprise one-time arm movement, multiple-time arm movement and no-movement arm;
when the vibration feedback of the user is received within the preset time, the arm moves for multiple times, and the user is judged to be in a non-sleep state;
when the vibration feedback of the user is received within the preset time, judging that the user is in a light sleep state;
and when the vibration feedback of the user is received within the preset time and the arm is still, judging that the user is in a deep sleep state.
Preferably, the method for judging whether to send the next vibration prompt after receiving the vibration feedback of the user includes:
comparing the current heart rate parameter with the heart rate parameter at the last moment;
when the current heart rate parameter is compared with the previous time and the heart rate parameter is not changed, judging that the current sleep state of the user is consistent with the sleep state of the previous time, and temporarily not sending a next vibration prompt;
when the current heart rate parameter is compared with the heart rate parameter at the last moment and is changed, the current sleep state of the user is judged to be inconsistent with the sleep state at the last moment, and a next vibration prompt is sent.
Preferably, the method for judging the position of the human body according to the temperature thermal imaging and judging the position of the bed body according to the frequency of the position of the human body in a period of time comprises the following steps:
calculating the average temperature Tb of all the regions for temperature thermal imaging, and screening all the regions which are higher than the average temperature Tb and exceed a temperature threshold Th in the temperature thermal imaging, wherein the region with the largest area is the position of the human body;
dividing temperature thermal imaging into a plurality of subareas, counting the frequency of human bodies in each subarea within a period of time, and setting the subarea with the highest frequency of human bodies as the position of the bed body.
Preferably, the method for obtaining the variation of the heat dissipation of the human body based on the position of the human body, the position of the bed body and the temperature of the remaining area in the indoor temperature thermal imaging comprises the following steps:
when a user is in a non-sleep state, a light sleep state and a deep sleep state, calculating initial human body heat dissipation H0 in a corresponding state of the user based on a human body surface temperature Tc1, a bed body surface temperature Ta and an environment radiation temperature Tr respectively;
calculating real-time human body heat dissipation H once every a period of time according to the current sleep state of a user;
comparing the real-time human body heat dissipation capacity H with the initial human body heat dissipation capacity H0 in the corresponding state, if the human body heat dissipation capacity H is larger than the initial human body heat dissipation capacity H0, indicating that the current indoor temperature is lower, and if the human body heat dissipation capacity H is smaller than the initial human body heat dissipation capacity H0, indicating that the current indoor temperature is higher.
Further, the method for dynamically adjusting the output temperature of the air conditioner through the change condition of the heat dissipation capacity of the human body and the sleep state of the user comprises the following steps:
when the current indoor temperature is low and a user is in a non-sleep state, prompting the user to manually adjust the temperature of the air conditioner through vibration;
when the current indoor temperature is lower and the user is in a light sleep state, the air conditioner temperature is adjusted up to 0.5 ℃ every T1 time intervals;
when the current indoor temperature is low and the user is in a deep sleep state, calculating the temperature difference delta T DEG C between the current indoor temperature and the current outdoor temperature, and adjusting the temperature of the air conditioner at intervals of T2 time intervals
When the current indoor temperature is higher and a user is in a non-sleep state, prompting the user to manually adjust the temperature of the air conditioner through vibration;
when the current indoor temperature is higher and the user is in a light sleep state, adjusting the air-conditioning temperature to be 0.5 ℃ every T1 time interval;
when the current indoor temperature is higher and the user is in a deep sleep state, calculating the temperature difference delta T DEG C between the current indoor temperature and the current outdoor temperature, and adjusting the temperature of the air conditioner at intervals of T2
And T1 >, andT2。
illustratively, the human body surface temperature Tc1 is an average temperature of a region where a human body is located in temperature thermal imaging, the bed surface temperature Ta is an average temperature of a region where a bed is located in temperature thermal imaging, and the ambient radiation temperature Tr is an average temperature of the rest of the region except the region where the human body is located and the region where the bed is located in temperature thermal imaging.
Compared with the prior art, the intelligent air conditioner control method provided by the invention has the following beneficial effects:
according to the intelligent air conditioner control method, indoor temperature thermal imaging is obtained by scanning an indoor environment, the sleep state of a user is identified by collecting human body heart rate parameters, then the position of the human body is located by identifying the temperature thermal imaging, the position of the bed body is judged based on the frequency of the position of the human body within a period of time, the variation condition of the heat dissipation capacity of the human body is calculated according to the surface temperature of the human body, the surface temperature of the bed body and the temperature of the rest area, the output temperature of the air conditioner is dynamically adjusted by combining the sleep state of the user, the user is enabled to be in an appropriate body sensing temperature constantly, and the use experience of the air conditioner of the user is improved.
Another aspect of the present invention provides an intelligent air conditioner control device, to which the intelligent air conditioner control method mentioned in the above technical solution is applied, the device including:
the acquisition unit is used for scanning indoor environment to generate temperature thermal imaging and acquiring human heart rate parameters to judge the sleep state of the user;
the positioning identification unit is used for judging the position of the human body according to the temperature thermal imaging and judging the position of the bed body according to the frequency of the position of the human body in a period of time;
the calculation unit is used for obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of other areas in the indoor temperature thermal imaging;
and the temperature adjusting unit is used for dynamically adjusting the output temperature of the air conditioner according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user.
Compared with the prior art, the beneficial effects of the intelligent air conditioner control device provided by the invention are the same as those of the intelligent air conditioner control method provided by the technical scheme, and the detailed description is omitted here.
A third aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program, which, when executed by a processor, performs the steps of the above-described intelligent air-conditioning control method.
Compared with the prior art, the beneficial effects of the computer-readable storage medium provided by the invention are the same as those of the intelligent air conditioner control method provided by the technical scheme, and are not repeated herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic flow chart illustrating an intelligent air conditioner control method according to an embodiment of the present invention;
fig. 2 is a block diagram of an intelligent air conditioner control device according to a second embodiment of the present invention. ,
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the 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.
Referring to fig. 1, the present embodiment provides an intelligent air conditioner control method, including:
scanning an indoor environment to generate temperature thermal imaging, and acquiring human heart rate parameters to judge the sleep state of a user; judging the position of the human body according to temperature thermal imaging, and judging the position of the bed body according to the frequency of the position of the human body within a period of time; obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of the residual area in indoor temperature thermal imaging; the output temperature of the air conditioner is dynamically adjusted according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user.
In the intelligent air conditioner control method provided by the embodiment, indoor temperature thermal imaging is acquired by scanning an indoor environment, the sleep state of a user is identified by collecting human heart rate parameters, then the position of the human body is located by identifying the temperature thermal imaging, the position of the bed body is judged based on the frequency of the position of the human body within 1 hour, the change condition of the heat dissipation capacity of the human body is calculated according to the surface temperature of the human body, the surface temperature of the bed body and the temperature of a residual region, the output temperature of the air conditioner is dynamically adjusted by combining the sleep state of the user, the user is enabled to be in a proper somatosensory temperature at any time, and the air conditioner use experience of the user is improved.
Specifically, the method for acquiring the human heart rate parameter and determining the sleep state of the user in the above embodiment includes:
acquiring current heart rate parameters of a human body through a bracelet, and when the current heart rate parameters are equal to preset heart rate parameters, sending vibration prompts and receiving vibration feedback of a user, wherein the vibration prompts are sent for n times, the time of interval vibration prompts is t, and the vibration feedback forms comprise one-time arm movement, multiple-time arm movement and no-movement arm;
when the vibration feedback of the user is received within the preset time, the arm moves for multiple times, and the user is judged to be in a non-sleep state; when the vibration feedback of the user is received within the preset time, judging that the user is in a light sleep state; and when the vibration feedback of the user is received within the preset time and the arm is still, judging that the user is in a deep sleep state.
During specific implementation, the preset heart rate parameter is the average value of the heart rate parameter collected by the user in a multiple-time light sleep state, the real-time collection of the heart rate parameter of the user can be realized through a bracelet worn by the user, the user can be sleepy when the current heart rate parameter is equal to the preset heart rate parameter, the current state of the user can be further monitored by vibration prompt and receiving vibration feedback of the user at the moment, for example, the user is identified to be in a non-sleep state for multiple times of arm movement in the vibration feedback of the user, the user is identified to be in a light sleep state for once arm movement in the vibration feedback of the user, the user is identified to be in a deep sleep state for immobile arm in the vibration feedback of the user, the current state of the user can be accurately identified based on the judgment logic, and the temperature of the air conditioner.
Further, in the above embodiment, the method for determining whether to send the next vibration prompt after receiving the vibration feedback of the user includes:
comparing the current heart rate parameter with the heart rate parameter at the last moment; when the current heart rate parameter is compared with the previous time and the heart rate parameter is not changed, judging that the current sleep state of the user is consistent with the sleep state of the previous time, and temporarily not sending a next vibration prompt; when the current heart rate parameter is compared with the heart rate parameter at the last moment and is changed, the current sleep state of the user is judged to be inconsistent with the sleep state at the last moment, and a next vibration prompt is sent.
The sending time of the next vibration prompt is determined by combining the change of the heart rate parameter of the user, so that the disturbance rate of the user can be reduced, and the use experience of the user is improved.
Specifically, the method for determining the position of the human body according to the temperature thermal imaging and the frequency of the position of the human body within a period of time in the above embodiment includes:
calculating the average temperature Tb of all the regions for temperature thermal imaging, and screening all the regions which are higher than the average temperature Tb and exceed a temperature threshold Th in the temperature thermal imaging, wherein the region with the largest area is the position of the human body; dividing temperature thermal imaging into a plurality of subareas, counting the frequency of human bodies in each subarea within a period of time, and setting the subarea with the highest frequency of human bodies as the position of the bed body.
During specific implementation, the indoor environment is scanned through the infrared temperature sensors distributed indoors to generate temperature thermal imaging, the indoor temperature distribution condition is obtained, and then the positions of the human body and the bed body can be calculated through analysis of the temperature thermal imaging, wherein the area average temperature Tb which is higher than the average temperature Tb and exceeds the temperature threshold Th is calculated, the area where the bed body is not located in a certain range around the position of the human body is difficult to directly determine in consideration that a user possibly walks in a room, the time for the user to stay in the room on the bed is the highest, and therefore the partition with the highest occurrence frequency of the human body is set as the position of the bed body. The temperature threshold Th may be set freely by the user based on the sample data, which is not limited in this embodiment.
In the above embodiment, the method for obtaining the heat dissipation variation condition of the human body based on the position of the human body, the position of the bed body and the temperature of the remaining area in the indoor temperature thermal imaging includes:
when a user is in a non-sleep state, a light sleep state and a deep sleep state, calculating initial human body heat dissipation H0 in a corresponding state of the user based on a human body surface temperature Tc1, a bed body surface temperature Ta and an environment radiation temperature Tr respectively; calculating real-time human body heat dissipation H once every a period of time according to the current sleep state of a user; and comparing the real-time human body heat dissipation capacity H with the initial human body heat dissipation capacity H0 in the corresponding state, if the human body heat dissipation capacity H is larger than the initial human body heat dissipation capacity H0, indicating that the current indoor temperature is lower, and if the human body heat dissipation capacity H is smaller than the initial human body heat dissipation capacity H0, indicating that the current indoor temperature is higher.
Illustratively, the body surface temperature Tc1 is the average temperature of the region where the body is located in the thermography, the bed surface temperature Ta is the average temperature of the region where the bed is located in the thermography, and the ambient radiation temperature Tr is the average temperature of the remaining regions of the thermography, excluding the region where the body is located and the region where the bed is located.
In specific implementation, according to the international universal model, the heat dissipation capacity H of the human body is calculated as follows:
h ═ R + C + K + Esk + Eres + Cres, where:
r: heat generated by radiation [ W/m2 ];
c: heat dissipation by convection [ W/m2 ];
k: conduction of the generated heat output [ W/m2 ];
esk: heat dissipation due to evaporation of moisture from the skin [ W/m2 ];
eres: heat dissipation due to evaporation of breath water [ W/m2 ];
and Cres: the heat dissipation generated by expiratory convection [ W/m2 ].
The main roles of the above parameters are R and C, and the others are negligible. Therefore, the heat dissipation calculation method in the embodiment is simplified as follows:
H＝R+C
the calculation method for calculating the heat R generated by radiation comprises the following steps:
R＝f_eff×f_cl×hr×(Tcl-Tr)
wherein:
f _ eff: the effective radiation area coefficient is constant 0.71;
f _ cl: the area coefficient of the human body is 1.1 in summer and 1.15 in winter;
tcl: the surface temperature of the human body is detected by an infrared sensor;
tr: the environment radiation temperature is detected by an infrared sensor;
hr: the radiation heat transfer coefficient is related to the human body surface temperature Tcl: hr × (4.6 × (1+0.01 Tcl).
The heat quantity C generated by convection is calculated as follows:
C＝fcl*hc×(Tcl-Ta)
wherein:
f _ cl: the area coefficient of the human body is 1.1 in summer and 1.15 in winter;
tcl: the surface temperature of the human body is detected by an infrared sensor;
tr: the environment radiation temperature is detected by an infrared sensor;
ta: the surface temperature of the bed body is detected by an infrared sensor;
hc: radiative heat transfer coefficient, related to wind velocity v: and h is calculated as 12.1 × v1/2, wherein the wind speed v is obtained by correlating the rotating speed of the air conditioner fan and is in the unit of m/s.
When the user adjusts the operation parameters of the air conditioner, the corresponding human body surface temperature Tc1, bed body surface temperature Ta and environment radiation temperature Tr are respectively collected when the user is in a non-sleep state, a light sleep state and a deep sleep state, and then the initial human body heat dissipation H0 of the user in the non-sleep state, the initial human body heat dissipation H0 in the light sleep state and the initial human body heat dissipation H0 in the deep sleep state are correspondingly calculated, and the whole human body heat dissipation H is controlled to be close to H0 all the time by taking the initial human body heat dissipation H as the reference heat dissipation. Later, acquire user's current sleep state through the bracelet, and every interval a period is as for example 10 minutes, acquire human surface temperature Tcl once, bed body surface temperature Ta and ambient radiation temperature Tr, calculate according to the fan rotational speed simultaneously and obtain wind speed v, calculate human heat dissipation capacity H in real time, carry out different control modes according to the size that Δ H ═ H-H0 to the air conditioner, heat dissipation capacity change Δ H is the positive time and indicates that the human body feels cold, need suitably to adjust high air conditioner settlement temperature this moment, it indicates that the human body feels hot when heat dissipation capacity change Δ H is the negative time, need suitably adjust low settlement temperature this moment.
Further, the method for dynamically adjusting the output temperature of the air conditioner according to the change of the heat dissipation capacity of the human body and the sleep state of the user in the above embodiment includes:
when the current indoor temperature is low and a user is in a non-sleep state, prompting the user to manually adjust the temperature of the air conditioner through vibration; when the current indoor temperature is lower and the user is in a light sleep state, the air conditioner temperature is adjusted up to 0.5 ℃ every T1 time intervals; when the current indoor temperature is low and the user is in a deep sleep state, calculating the temperature difference delta T DEG C between the current indoor temperature and the current outdoor temperature, and adjusting the temperature of the air conditioner at intervals of T2 time intervalsWhen the current indoor temperature is higher and a user is in a non-sleep state, prompting the user to manually adjust the temperature of the air conditioner through vibration; when the current indoor temperature is higher and the user is in a light sleep state, adjusting the air-conditioning temperature to be 0.5 ℃ every T1 time interval; when the current indoor temperature is higher and the user is in a deep sleep state, calculating the temperature difference delta T DEG C between the current indoor temperature and the current outdoor temperature, and adjusting the temperature of the air conditioner at intervals of T2
And T1 > T2.
When embodied in practiceWhen the user is in a non-sleep state, the user can be prompted to manually adjust the temperature of the air conditioner through vibration, when the user is in a light sleep state, the temperature of the air conditioner needs to be adjusted up/down by 0.5 ℃ every T1 time interval, the temperature is slowly adjusted at the moment so as to avoid the indoor temperature from being suddenly increased or suddenly decreased, the somatosensory temperature of the user is gradually adapted to the optimal temperature, when the user is in a deep sleep state, the temperature difference delta T between the current indoor temperature and the current outdoor temperature is calculated, and the temperature of the air conditioner is adjusted up every T2 time interval
The output temperature of the air conditioner is adjusted based on the indoor and outdoor temperature difference, so that a user can feel the optimal body surface temperature as soon as possible.
Example two
Referring to fig. 2, the present embodiment provides an intelligent air conditioner control device, including:
the acquisition unit is used for scanning indoor environment to generate temperature thermal imaging and acquiring human heart rate parameters to judge the sleep state of the user;
the positioning identification unit is used for judging the position of the human body according to the temperature thermal imaging and judging the position of the bed body according to the frequency of the position of the human body in a period of time;
the calculation unit is used for obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of other areas in the indoor temperature thermal imaging;
and the temperature adjusting unit is used for dynamically adjusting the output temperature of the air conditioner according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user.
Compared with the prior art, the beneficial effects of the intelligent air conditioner control device provided by the embodiment are the same as those of the intelligent air conditioner control method provided by the embodiment, and are not repeated herein.
EXAMPLE III
The present embodiment provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to perform the steps of the above-mentioned intelligent air conditioner control method.
Compared with the prior art, the beneficial effects of the computer-readable storage medium provided by the embodiment are the same as those of the intelligent air conditioner control method provided by the above technical scheme, and are not repeated herein.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the invention may be implemented by hardware instructions related to a program, the program may be stored in a computer-readable storage medium, and when executed, the program includes the steps of the method of the embodiment, and the storage medium may be: ROM/RAM, magnetic disks, optical disks, memory cards, and the like.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. An intelligent air conditioner control method is characterized by comprising the following steps:
scanning an indoor environment to generate temperature thermal imaging, and acquiring human heart rate parameters to judge the sleep state of a user;
judging the position of the human body according to the temperature thermal imaging, and judging the position of the bed body according to the frequency of the position of the human body within a period of time;
obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of the residual area in the indoor temperature thermal imaging;
the output temperature of the air conditioner is dynamically adjusted according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user.
2. The method of claim 1, wherein the method for collecting the human heart rate parameter to judge the sleep state of the user comprises:
acquiring current heart rate parameters of a human body through a bracelet, and when the current heart rate parameters are equal to preset heart rate parameters, sending vibration prompts and receiving vibration feedback of a user, wherein the vibration prompts are sent for n times, the time of interval vibration prompts is t, and the vibration feedback forms comprise one-time arm movement, multiple-time arm movement and no-movement arm;
when the vibration feedback of the user is received within the preset time, the arm moves for multiple times, and the user is judged to be in a non-sleep state;
when the vibration feedback of the user is received within the preset time, judging that the user is in a light sleep state;
and when the vibration feedback of the user is received within the preset time and the arm is still, judging that the user is in a deep sleep state.
3. The method of claim 2, wherein the step of determining whether to issue a next vibration prompt after receiving the vibration feedback from the user comprises:
comparing the current heart rate parameter with the heart rate parameter at the last moment;
when the current heart rate parameter is compared with the previous time and the heart rate parameter is not changed, judging that the current sleep state of the user is consistent with the sleep state of the previous time, and temporarily not sending a next vibration prompt;
when the current heart rate parameter is compared with the heart rate parameter at the last moment and is changed, the current sleep state of the user is judged to be inconsistent with the sleep state at the last moment, and a next vibration prompt is sent.
4. A method according to any one of claims 1 to 3, wherein the determining the position of the human body from the thermography of the temperature and the determining the position of the bed from the frequency of the position of the human body over a period of time comprises:
calculating the average temperature Tb of all the regions for temperature thermal imaging, and screening all the regions which are higher than the average temperature Tb and exceed a temperature threshold Th in the temperature thermal imaging, wherein the region with the largest area is the position of the human body;
dividing temperature thermal imaging into a plurality of subareas, counting the frequency of human bodies in each subarea within a period of time, and setting the subarea with the highest frequency of human bodies as the position of the bed body.
5. The method of claim 4, wherein the method for obtaining the variation of the heat dissipation capacity of the human body based on the position of the human body, the position of the bed and the temperature of the remaining area in the indoor temperature thermal imaging comprises:
when a user is in a non-sleep state, a light sleep state and a deep sleep state, calculating initial human body heat dissipation H0 in a corresponding state of the user based on a human body surface temperature Tc1, a bed body surface temperature Ta and an environment radiation temperature Tr respectively;
calculating real-time human body heat dissipation H once every a period of time according to the current sleep state of a user;
comparing the real-time human body heat dissipation capacity H with the initial human body heat dissipation capacity H0 in the corresponding state, if the human body heat dissipation capacity H is larger than the initial human body heat dissipation capacity H0, indicating that the current indoor temperature is lower, and if the human body heat dissipation capacity H is smaller than the initial human body heat dissipation capacity H0, indicating that the current indoor temperature is higher.
6. The method of claim 5, wherein the method for dynamically adjusting the output temperature of the air conditioner according to the variation of the heat dissipation capacity of the human body and the sleep state of the user comprises:
when the current indoor temperature is low and a user is in a non-sleep state, prompting the user to manually adjust the temperature of the air conditioner through vibration;
when the current indoor temperature is lower and the user is in a light sleep state, the air conditioner temperature is adjusted up to 0.5 ℃ every T1 time intervals;
when the current indoor temperature is low and the user is in a deep sleep state, calculating the temperature difference delta T DEG C between the current indoor temperature and the current outdoor temperature, and adjusting the temperature of the air conditioner at intervals of T2 time intervals
When the current indoor temperature is higher and a user is in a non-sleep state, prompting the user to manually adjust the temperature of the air conditioner through vibration;
when the current indoor temperature is higher and the user is in a light sleep state, adjusting the air-conditioning temperature to be 0.5 ℃ every T1 time interval;
when the current indoor temperature is higher and the user is in a deep sleep state, calculating the temperature difference delta T DEG C between the current indoor temperature and the current outdoor temperature, and adjusting the temperature of the air conditioner at intervals of T2
And T1 > T2.
7. The method according to claim 5, wherein the body surface temperature Tc1 is the average temperature of the region where the body is located in thermography, the bed surface temperature Ta is the average temperature of the region where the bed is located in thermography, and the ambient radiation temperature Tr is the average temperature of the remaining regions of thermography, excluding the region where the body and the bed are located.
8. An intelligent air conditioner control device, comprising:
the acquisition unit is used for scanning indoor environment to generate temperature thermal imaging and acquiring human heart rate parameters to judge the sleep state of the user;
the positioning identification unit is used for judging the position of the human body according to the temperature thermal imaging and judging the position of the bed body according to the frequency of the position of the human body in a period of time;
the calculation unit is used for obtaining the change condition of the heat dissipation capacity of the human body based on the surface temperature of the human body, the surface temperature of the bed body and the temperature of other areas in the indoor temperature thermal imaging;
and the temperature adjusting unit is used for dynamically adjusting the output temperature of the air conditioner according to the change condition of the heat dissipating capacity of the human body and the sleeping state of the user.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of the claims 1 to 7.
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