CN112984730A - Air conditioner control method and air conditioner - Google Patents

Air conditioner control method and air conditioner Download PDF

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Publication number
CN112984730A
CN112984730A CN202110188856.6A CN202110188856A CN112984730A CN 112984730 A CN112984730 A CN 112984730A CN 202110188856 A CN202110188856 A CN 202110188856A CN 112984730 A CN112984730 A CN 112984730A
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China
Prior art keywords
air conditioner
human body
air
preset
temperature
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CN202110188856.6A
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Chinese (zh)
Inventor
杜亮
陈会敏
吴洪金
张美娇
国德防
陈志超
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202110188856.6A priority Critical patent/CN112984730A/en
Publication of CN112984730A publication Critical patent/CN112984730A/en
Pending legal-status Critical Current

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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
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • 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
    • 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
    • F24F2120/14—Activity of occupants

Abstract

The invention discloses an air conditioner control method and an air conditioner1(ii) a Obtaining heat Q of human body activity2(ii) a If Q2If the air temperature is 0, maintaining the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2‑Q1If the difference is less than or equal to the preset first target difference, maintaining T0, and adjusting the air speed of the air conditioner to V1; if the preset first target difference value is less than Q2‑Q1The temperature of the air conditioner is reduced to T when the difference value is less than or equal to the preset second target difference value1 and increasing the air conditioner wind speed to V1; if Q2‑Q1If the second target difference is larger than the preset value, the air-conditioning temperature is adjusted to be T2, and the air-conditioning wind speed is adjusted to be V2; wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2. The temperature and the air volume of the air conditioner can be adjusted in real time according to the real-time activity condition of the human body, so that the requirement of the human body on the indoor environment comfort level in different activity states is met.

Description

Air conditioner control method and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and an air conditioner.
Background
With the improvement of living standard of people, the air conditioner is almost one of necessary household appliances. In the use of air conditioner, the user can be according to the button on self demand manual operation remote controller or the panel usually, with the temperature and the wind speed regulation of air conditioner to a suitable gear, however, the human body is different like the produced heat of states such as quiet, walking, make an alarm under different activity state, consequently need control air conditioner to different temperature or amount of wind, so, above-mentioned invariable air conditioner temperature and wind speed can't satisfy the indoor environment comfort level demand of human body under different activity state, have influenced user experience.
In summary, how to meet the requirement of comfort level of indoor environment of human body in different activity states to improve user experience is a technical problem to be urgently solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention aims to disclose an air conditioner control method to meet the requirement of comfort level of indoor environment of human body in different activity states, so as to improve user experience.
The invention further aims to disclose an air conditioner to meet the requirement of comfort level of indoor environment of human body in different activity states, thereby improving user experience.
In order to achieve the purpose, the invention discloses the following technical scheme:
an air conditioner control method includes the following steps:
obtaining the heat dissipation Q of the human body1；
Obtaining heat Q of human body activity2；
According to Q1And Q2Control the air conditioner, if Q2If the air temperature is 0, maintaining the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2-Q1If the difference value is less than or equal to the preset first target difference value, maintaining the initial preset air-conditioning temperature T0, and adjusting the air-conditioning wind speed to V1; if the first target difference value < Q is preset2-Q1If the difference value is less than or equal to the preset second target difference value, the air conditioner temperature is reduced to T1, and the air conditioner wind speed is increased to V1; if Q is2-Q1If the second target difference value is larger than the preset value, the air conditioner temperature is adjusted to be T2, and the air conditioner wind speed is adjusted to be V2;
wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
Preferably, in the air conditioning control method, the air conditioning control method is performed according to the formula Q1Obtaining Q from K S1；
Wherein, K is human tissue heat conductivity coefficient, and K is 0.18 × 30% +0.54 × 70% + 0.432W/(m · K);
s is the total surface area of the human body, S2 pi rh, h and r are the height and radius of the simplified cylindrical model when the human body stands up, respectively.
Preferably, in the air conditioner control method, h and r are obtained through human body images acquired by the image sensor and a proportional relationship between the images and real objects.
Preferably, in the air conditioning control method, the air conditioning control method is performed according to the formula Q2Obtaining from a m v lGet Q2；
Wherein a is a correction coefficient;
m is the body weight of the human body;
v is the movement speed of the human body;
l is the movement distance of the human body.
Preferably, in the air-conditioning control method, m is obtained by an intelligent weighing scale;
l is obtained by collecting the distance between two positions of the human body before and after the preset reference time;
v is obtained by dividing l by a preset reference time.
Preferably, in the air-conditioning control method, the initial preset air-conditioning temperature T0 is an air-conditioning set temperature in the infant mode, and the initial preset air-conditioning wind speed V0 is an air-conditioning set wind speed in the infant mode;
v1 is one gear higher than V0, and V2 is two gears higher than V0;
t2 ═ T1; t1 was 1 ℃ lower than T0.
Preferably, in the air conditioner control method, Q is acquired every time a preset time interval elapses1And Q2。
Preferably, in the air conditioner control method, the preset first target difference is 45-55W, and the preset second target difference is 95-105W.
According to the technical scheme, the air conditioner control method disclosed by the invention comprises the following steps: obtaining the heat dissipation Q of the human body1(ii) a Obtaining heat Q of human body activity2(ii) a According to Q1And Q2Control the air conditioner, if Q2If the air temperature is 0, maintaining the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2-Q1If the difference value is less than or equal to the preset first target difference value, maintaining the initial preset air-conditioning temperature T0, and adjusting the air-conditioning wind speed to V1; if the first target difference value < Q is preset2-Q1If the difference value is less than or equal to the preset second target difference value, the air conditioner temperature is reduced to T1, and the air conditioner wind speed is increased to V1; if Q is2-Q1If the second target difference value is larger than the preset value, the air conditioner temperature is adjusted to be T2, and the air conditioner wind speed is adjusted to be V2; wherein T2 is more than or equal to T1 and more than T0, V0 is more than V1 and more than or equal to V2(ii) a And when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
The air conditioner control method disclosed by the invention is based on the heat Q generated by the human body in different activity states2And heat dissipation capacity Q of human body1Adjusting the temperature and the air speed of an air conditioner; when a human body performs an activity with less heat generation, the air conditioner is controlled to adjust to a higher air conditioner temperature and/or a lower air conditioner air speed; when a human body carries out activities with large heat production quantity, the air conditioner is controlled to be adjusted to a lower air conditioner temperature and/or a larger air conditioner wind speed; the temperature and the air quantity of the air conditioner can be adjusted in real time according to the real-time activity condition of the human body, so that the requirement of the human body on the indoor environment comfort level in different activity states is met, and the user experience is improved.
The invention also discloses an air conditioner, comprising:
a processor for acquiring heat dissipation Q of human body1And heat of human body movement Q2；
The controller is used for controlling the temperature and the wind speed of the air conditioner;
wherein the processor is based on Q1And Q2Sending an adjustment signal to the controller if Q2If 0, maintaining the controller at an initial preset air-conditioning temperature T0 and an initial preset air-conditioning wind speed V0; if 0 < Q2-Q1The initial preset air-conditioning temperature T0 is maintained by the controller, and the air-conditioning wind speed is increased to V1; if the first target difference value < Q is preset2-Q1The preset second target difference value is smaller than or equal to the preset second target difference value, the controller is enabled to adjust the air conditioner temperature to be T1, and the air conditioner air speed is adjusted to be V1; if Q is2-Q1If the second target difference value is larger than the preset second target difference value, the controller is enabled to adjust the air conditioner temperature to be T2, and the air conditioner wind speed is adjusted to be V2;
wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
Preferably, the air conditioner further includes:
the intelligent weighing scale is used for acquiring the weight m of the human body and sending a weight signal to the processor;
the image sensor is used for acquiring image information of a room and a human body in the room and sending an image signal to the processor;
the processor can acquire the human body image acquired by the image sensor and the proportional relation between the image and the real object, and reduces the standing time of the human body into the height h and the radius r of the cylindrical model; the movement distance l of the human body can be obtained according to the distance between two positions of the human body before and after the preset reference time, which is acquired by the image sensor; the motion speed v of the human body can be obtained by dividing l by a preset reference time;
the processor is according to formula Q1Obtaining Q from K S1(ii) a According to formula Q2Obtaining Q from a2；
K is human tissue thermal conductivity, K is 0.18 × 30% +0.54 × 70% ═ 0.432W/(m · K);
s is the total surface area of human body, and S is 2 pi rh;
a is a correction coefficient.
According to the technical scheme, the air conditioner comprises a processor for acquiring the heat dissipation Q of the human body1And heat of human body movement Q2(ii) a The controller is used for controlling the temperature and the wind speed of the air conditioner; wherein the processor is based on Q1And Q2Sending an adjustment signal to the controller if Q2If the air temperature is 0, the controller maintains the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2-Q1The first target difference is less than or equal to the preset first target difference, the controller maintains the initial preset air-conditioning temperature T0, and the air-conditioning wind speed is increased to V1; if the first target difference value < Q is preset2-Q1The preset second target difference value is less than or equal to, the controller reduces the air conditioner temperature to T1, and increases the air conditioner wind speed to V1; if Q is2-Q1If the second target difference value is larger than the preset value, the controller reduces the air-conditioning temperature to T2 and increases the air-conditioning wind speed to V2; wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
When the air conditioner disclosed by the invention is applied, the processor generates heat according to different activity states of a human bodyQ2And heat dissipation capacity Q of human body1Sending an adjusting signal to a controller, and adjusting the temperature and the air speed of the air conditioner through the controller; when the human body performs the activity with less heat generation, the processor controls the air conditioner to adjust to a higher air conditioner temperature and/or a lower air conditioner air speed through the controller; when a human body carries out activities with large heat production quantity, the processor controls the air conditioner to adjust to a lower air conditioner temperature and/or a larger air conditioner air speed through the controller; the temperature and the air quantity of the air conditioner can be adjusted in real time according to the real-time activity condition of the human body, so that the requirement of the human body on the indoor environment comfort level in different activity states is met, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a process flow diagram of a method for controlling an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a human body simplified into a cylindrical model when standing according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention discloses an air conditioner control method which can meet the requirement of comfort level of indoor environment of a human body in different activity states, and further improves user experience.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
Referring to fig. 1, an air conditioner control method disclosed in an embodiment of the present invention includes the following steps: obtaining the heat dissipation Q of the human body1(ii) a Obtaining heat Q of human body activity2(ii) a According to Q1And Q2Control the air conditioner, if Q2If the air temperature is 0, maintaining the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2-Q1If the difference value is less than or equal to the preset first target difference value, maintaining the initial preset air-conditioning temperature T0, and adjusting the air-conditioning wind speed to V1; if the first target difference value < Q is preset2-Q1If the difference value is less than or equal to the preset second target difference value, the air conditioner temperature is reduced to T1, and the air conditioner wind speed is increased to V1; if Q is2-Q1If the second target difference value is larger than the preset value, the air conditioner temperature is adjusted to be T2, and the air conditioner wind speed is adjusted to be V2; wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
The air conditioner control method disclosed by the invention is based on the heat Q generated by the human body in different activity states2And heat dissipation capacity Q of human body1Adjusting the temperature and the air speed of an air conditioner; when a human body performs an activity with less heat generation, the air conditioner is controlled to adjust to a higher air conditioner temperature and/or a lower air conditioner air speed; when a human body carries out activities with large heat production quantity, the air conditioner is controlled to be adjusted to a lower air conditioner temperature and/or a larger air conditioner wind speed; the temperature and the air quantity of the air conditioner can be adjusted in real time according to the real-time activity condition of the human body, so that the requirement of the human body on the indoor environment comfort level in different activity states is met, and the user experience is improved.
In a specific embodiment, the formula Q is used1Obtaining Q from K S1(ii) a Wherein, K is human tissue heat conductivity coefficient, and K is 0.18 × 30% +0.54 × 70% + 0.432W/(m · K); s is the total surface area of the human body, S2 rhr, h and r are the height and radius, respectively, of the simplified cylindrical model when the human body is standing up, as shown in fig. 2.
The embodiment simplifies the standing of the human body into the cylinder model, takes the side surface area reference of the cylinder model as the body surface heat dissipation area of the human body, is convenient to calculate, is easy to obtain the heat dissipation capacity of the human body, and simplifies the method. Of course, the present invention may also be used in other applicationsMethod for obtaining heat dissipation Q of human body1For example, if the heat dissipating capacity corresponding to different heights, weights and widths of human body is directly stored in the air conditioning system, Q is obtained by directly reading1Q can also be obtained by a human body heat dissipation calculation method of an international universal model1。
In the above embodiment, h and r are obtained through the human body image acquired by the image sensor and the proportional relationship between the image and the real object. The air conditioner is provided with the image sensor, and the image sensor is used for detecting the room and the human body image information in the room; then, determining the proportional relation between the image information and a real object in the room by utilizing the processor and inputting the length, width and height of the room where the air conditioner is located and combining the image information acquired by the image sensor; when the image sensor acquires the image information of the human body, the height h and the radius r of the cylindrical model which is simplified when the human body stands can be acquired, and the numerical accuracy is high.
It will be appreciated that the present invention may also be used to input h and r into the air conditioning system and communicated to the processor by way of manual input.
In a further technical scheme, the method is based on a formula Q2Obtaining Q from a2(ii) a Wherein a is a correction coefficient; m is the body weight of the human body; v is the movement speed of the human body; l is the movement distance of the human body. The invention calculates and obtains the heat Q of the human body activity according to the weight, the movement speed and the movement distance of the human body2The calculation method is simplified. Of course, the invention can also adopt other modes to obtain the heat Q2 of the human body activity, such as directly storing the heat generated corresponding to different human body weights, different moving distances and different moving speeds in the air conditioning system and obtaining the Q2 by a direct reading mode.
and a is generally 1, and can be corrected according to the comfort level of the human body.
In order to further optimize the technical scheme, m is obtained through an intelligent weight scale; l is obtained by collecting the distance between two positions of the human body before and after the preset reference time; v is obtained by dividing l by a preset reference time. The processor is in wireless connection with the intelligent weighing scale, and can directly acquire the weight m of the human body.
Presetting reference time to be 5 seconds specifically, or adopting other time, wherein l is two positions of the human body before and after 5 seconds, which are acquired by an image sensor, and then acquiring the actual distance between the two positions according to the proportional relation between the image and the real object, namely acquiring the movement distance l of the human body; the moving speed of the human body can be obtained by dividing l by 5. It can be understood that the invention can also be used for manually inputting the weight of a human body; the front position and the rear position of the human body can be obtained through the position sensor, and then the movement distance l of the human body is obtained.
Preferably, the initial preset air-conditioning temperature T0 is an air-conditioning set temperature in the infant mode, and the initial preset air-conditioning wind speed V0 is an air-conditioning set wind speed in the infant mode.
The air conditioner control method is applied to an infant mode, and the air conditioner temperature and the air conditioner air volume are adjusted in real time according to different activities of infants. Of course, the present invention can also be applied to the normal mode.
For comfort, V1 is one gear higher than V0, and V2 is two gears higher than V0; t2 ═ T1; t1 was 1 ℃ lower than T0. In this example, 0 < Q2-Q1When the first target difference is less than or equal to the preset first target difference, only increasing the first-gear air conditioner air speed relative to the initial preset air conditioner parameter; in the preset first target difference value < Q2-Q1When the second target difference is less than or equal to the preset second target difference, the air-conditioning temperature is reduced by 1 ℃ relative to the initial preset air-conditioning parameters, and the air-conditioning speed is increased by one grade; at Q2-Q1And when the second target difference value is larger than the preset second target difference value, the air conditioner temperature is reduced by 1 ℃ and the air conditioner speed is increased by two gears relative to the initial preset air conditioner parameters.
Of course, the above V1 may be higher than V0 by two gears, and V2 by three gears than V0 in summer; or V2 ═ V1, T2 < T1, in Q2-Q1If the second target difference is greater than the preset value, the first target difference is less than Q2-Q1When the difference value is less than or equal to a preset second target difference value, the temperature of the air conditioner is reduced, and the current air speed of the air conditioner is maintained; v2 > V1, T2 < T1, in Q2-Q1If the second target difference is greater than the preset value, the first target difference is less than Q2-Q1And when the second target difference is less than or equal to the preset second target difference, the temperature of the air conditioner is reduced, and the air speed of the air conditioner is increased.
In order to reduce the regulation frequency while improving the comfort, Q is acquired every time a preset time interval passes1And Q2. According to the air conditioner, the temperature and the air speed of the air conditioner are adjusted once every preset time interval, the operation stability is improved, and the influence on the service life caused by frequent adjustment of the air conditioner is avoided.
The first target difference is preset to be 45-55W, and the second target difference is preset to be 95-105W.
In a specific embodiment, the preset first target difference is 50W, and the preset second target difference is 100W; according to different activities of infants, the air conditioner is divided into the following four stages of state adjustment:
grade 1 infant rest (Q)20W), operating according to an initial preset air-conditioning temperature T0 and an initial preset air-conditioning wind speed V0 (namely, the default temperature and the default wind speed selected by artificial adjustment);
level 2 is the baby moving slowly (Q is more than 0)2-Q1Less than or equal to 50W), the air conditioner temperature is operated according to the setting, and the air conditioner wind speed is increased by one gear;
grade 3 is moving at medium speed (50W < Q)2-Q1Less than or equal to 100W), the air-conditioning temperature is reduced by 1 ℃ relative to V0, and the air-conditioning wind speed is increased by one gear relative to V0;
grade 4 rapid infant movement (Q)2-Q1More than 100W), the air-conditioning temperature is reduced by 1 degree relative to V0, and the air-conditioning wind speed is increased by two steps relative to V0;
therefore, the temperature and the air volume of the air conditioner can be automatically adjusted in real time according to the activity condition of the infant.
The preset target difference value may be other values according to different body types of human bodies, and the present invention does not specifically limit this.
The embodiment of the invention also discloses an air conditioner, which comprises a processor and is used for acquiring the heat dissipation Q of the human body1And heat of human body movement Q2(ii) a The controller is used for controlling the temperature and the wind speed of the air conditioner; wherein the processor is based on Q1And Q2Direction controlThe controller sends an adjustment signal if Q2If the air temperature is 0, the controller maintains the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2-Q1The first target difference is less than or equal to the preset first target difference, the controller maintains the initial preset air-conditioning temperature T0, and the air-conditioning wind speed is increased to V1; if the first target difference value < Q is preset2-Q1The preset second target difference value is less than or equal to, the controller reduces the air conditioner temperature to T1, and increases the air conditioner wind speed to V1; if Q is2-Q1If the second target difference value is larger than the preset value, the controller reduces the air-conditioning temperature to T2 and increases the air-conditioning wind speed to V2; wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
When the air conditioner disclosed by the invention is applied, the processor generates heat Q according to different activity states of a human body2And heat dissipation capacity Q of human body1Sending an adjusting signal to a controller, and adjusting the temperature and the air speed of the air conditioner through the controller; when the human body performs the activity with less heat generation, the processor controls the air conditioner to adjust to a higher air conditioner temperature and/or a lower air conditioner air speed through the controller; when a human body carries out activities with large heat production quantity, the processor controls the air conditioner to adjust to a lower air conditioner temperature and/or a larger air conditioner air speed through the controller; the temperature and the air quantity of the air conditioner can be adjusted in real time according to the real-time activity condition of the human body, so that the requirement of the human body on the indoor environment comfort level in different activity states is met, and the user experience is improved.
Preferably, the air conditioner further comprises an intelligent weight scale for acquiring the weight m of the human body and sending a weight signal to the processor; the image sensor is used for acquiring image information of a room and a human body in the room and sending an image signal to the processor; the processor can acquire the human body image acquired by the image sensor and the proportional relation between the image and the real object, and reduces the standing human body into the height h and the radius r of the cylindrical model, as shown in fig. 2; the movement distance l of the human body can be obtained according to the distance between two positions of the human body before and after the preset reference time, which is acquired by the image sensor; the moving speed v of the human body can be obtained by dividing l by a preset reference time.
The processor is according to formula Q1Obtaining Q from K S1(ii) a According to formula Q2Obtaining Q from a2(ii) a K is human tissue thermal conductivity, K is 0.18 × 30% +0.54 × 70% ═ 0.432W/(m · K); s is the total surface area of human body, and S is 2 pi rh; a is a correction coefficient.
and a is generally 1, and can be corrected according to the comfort level of the human body.
In the embodiment, the image sensor is used for detecting the room and the human body image information in the room; then, determining the proportional relation between the image information and a real object in the room by utilizing the processor and inputting the length, width and height of the room where the air conditioner is located and combining the image information acquired by the image sensor; when the image sensor acquires the image information of the human body, the processor can acquire the height h and the radius r which simplify the standing of the human body into a cylindrical model according to the information, and the numerical accuracy is high.
As shown in fig. 2, in this embodiment, the human body is simplified into a cylindrical model when standing, and the side surface area reference of the cylindrical model is taken as the body surface heat dissipation area of the human body, so that the calculation is convenient, the heat dissipation capacity of the human body is easy to obtain, and the method is simplified. Of course, the invention can also adopt other modes to obtain the heat dissipating capacity Q of the human body1For example, if the heat dissipating capacity corresponding to different heights, weights and widths of human body is directly stored in the air conditioning system, Q is obtained by directly reading1Q can also be obtained by a human body heat dissipation calculation method of an international universal model1。
It will be appreciated that the present invention may also be used to input h and r into the air conditioning system and communicated to the processor by way of manual input.
The processor of the invention calculates and obtains the heat Q of the human body activity according to the weight, the movement speed and the movement distance of the human body2And the calculation is convenient. Of course, the invention can also adopt other modes to obtain the heat Q of the human body activity2If heat generation amounts corresponding to different human body weights, different moving distances and different moving speeds are directly stored in the air conditioning system, Q is obtained in a direct reading mode2。
Presetting reference time to be 5 seconds specifically, or adopting other time, wherein l is two positions of the human body before and after 5 seconds, which are acquired by an image sensor, and then acquiring the actual distance between the two positions according to the proportional relation between the image and the real object, namely acquiring the movement distance l of the human body; the moving speed of the human body can be obtained by dividing l by 5. It can be understood that the invention can also be used for manually inputting the weight of a human body; the front position and the rear position of the human body can be obtained through the position sensor, and then the movement distance l of the human body is obtained.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An air conditioner control method is characterized by comprising the following steps:
obtaining the heat dissipation Q of the human body1；
Obtaining heat Q of human body activity2；
According to Q1And Q2Control the air conditioner, if Q2If the air temperature is 0, maintaining the initial preset air-conditioning temperature T0 and the initial preset air-conditioning wind speed V0; if 0 < Q2-Q1If the difference value is less than or equal to the preset first target difference value, maintaining the initial preset air-conditioning temperature T0, and adjusting the air-conditioning wind speed to V1; if the first target difference value < Q is preset2-Q1If the difference value is less than or equal to the preset second target difference value, the air conditioner temperature is reduced to T1, and the air conditioner wind speed is increased to V1; if Q is2-Q1If the second target difference value is larger than the preset value, the temperature of the air conditioner is reduced to T2, adjusting the air speed of the air conditioner to V2;
wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
2. The air conditioner control method according to claim 1, wherein the formula Q is given1Obtaining Q from K S1；
Wherein, K is human tissue heat conductivity coefficient, and K is 0.18 × 30% +0.54 × 70% + 0.432W/(m · K);
s is the total surface area of the human body, S2 pi rh, h and r are the height and radius of the simplified cylindrical model when the human body stands up, respectively.
3. The air conditioner control method according to claim 2, wherein h and r are obtained by human body images collected by the image sensor and a proportional relationship between the images and real objects.
4. The air conditioner control method according to claim 2, wherein the formula Q is given2Obtaining Q from a2；
Wherein a is a correction coefficient;
m is the body weight of the human body;
v is the movement speed of the human body;
l is the movement distance of the human body.
5. The air conditioner control method according to claim 4, wherein m is obtained by an intelligent weight scale;
l is obtained by collecting the distance between two positions of the human body before and after the preset reference time;
v is obtained by dividing l by a preset reference time.
6. The air conditioning control method according to claim 1, wherein the initial preset air conditioning temperature T0 is an air conditioning set temperature in the infant mode, and the initial preset air conditioning wind speed V0 is an air conditioning set wind speed in the infant mode;
v1 is one gear higher than V0, and V2 is two gears higher than V0;
t2 ═ T1; t1 was 1 ℃ lower than T0.
7. The air conditioner controlling method according to claim 1, wherein Q is acquired every time a preset time interval elapses1And Q2。
8. The air conditioner control method according to claim 1, wherein the preset first target difference is 45-55W, and the preset second target difference is 95-105W.
9. An air conditioner, comprising:
a processor for acquiring heat dissipation Q of human body1And heat of human body movement Q2；
The controller is used for controlling the temperature and the wind speed of the air conditioner;
wherein the processor is based on Q1And Q2Sending an adjustment signal to the controller if Q2If 0, maintaining the controller at an initial preset air-conditioning temperature T0 and an initial preset air-conditioning wind speed V0; if 0 < Q2-Q1The initial preset air-conditioning temperature T0 is maintained by the controller, and the air-conditioning wind speed is increased to V1; if the first target difference value < Q is preset2-Q1The preset second target difference value is smaller than or equal to the preset second target difference value, the controller is enabled to adjust the air conditioner temperature to be T1, and the air conditioner air speed is adjusted to be V1; if Q is2-Q1If the second target difference value is larger than the preset second target difference value, the controller is enabled to adjust the air conditioner temperature to be T2, and the air conditioner wind speed is adjusted to be V2;
wherein T2 is more than or equal to T1 and more than T0, and V0 is more than V1 and more than or equal to V2; and when T2 ≠ T1, V1 ≠ V2; when V2 ≠ V1, T1 ≠ T2.
10. The air conditioner according to claim 9, further comprising:
the intelligent weighing scale is used for acquiring the weight m of the human body and sending a weight signal to the processor;
the image sensor is used for acquiring image information of a room and a human body in the room and sending an image signal to the processor;
the processor can acquire the human body image acquired by the image sensor and the proportional relation between the image and the real object, and reduces the standing time of the human body into the height h and the radius r of the cylindrical model; the movement distance l of the human body can be obtained according to the distance between two positions of the human body before and after the preset reference time, which is acquired by the image sensor; the motion speed v of the human body can be obtained by dividing l by a preset reference time;
the processor is according to formula Q1Obtaining Q from K S1(ii) a According to formula Q2Obtaining Q from a2；
K is human tissue thermal conductivity, K is 0.18 × 30% +0.54 × 70% ═ 0.432W/(m · K);
s is the total surface area of human body, and S is 2 pi rh;
a is a correction coefficient.
CN202110188856.6A 2021-02-19 2021-02-19 Air conditioner control method and air conditioner Pending CN112984730A (en)

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Application publication date: 20210618