CN112984746A - Air speed control method of lower air outlet air conditioner and lower air outlet air conditioner - Google Patents

Air speed control method of lower air outlet air conditioner and lower air outlet air conditioner Download PDF

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Publication number
CN112984746A
CN112984746A CN202110278581.5A CN202110278581A CN112984746A CN 112984746 A CN112984746 A CN 112984746A CN 202110278581 A CN202110278581 A CN 202110278581A CN 112984746 A CN112984746 A CN 112984746A
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China
Prior art keywords
preset temperature
wind speed
indoor
actual
temperature interval
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CN202110278581.5A
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Chinese (zh)
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CN112984746B (en
Inventor
李向凯
郝本华
矫立涛
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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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 CN202110278581.5A priority Critical patent/CN112984746B/en
Publication of CN112984746A publication Critical patent/CN112984746A/en
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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
    • F24F11/70—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
    • F24F11/77—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 by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
    • 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
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • 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
    • F24F11/62—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
    • F24F11/67—Switching between heating and cooling modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention relates to the technical field of air conditioners, and provides a wind speed control method of a lower air outlet air conditioner and the lower air outlet air conditioner, wherein the wind speed control method comprises the following steps: acquiring an actual ground temperature difference and an actual indoor temperature difference according to the ground temperature and the indoor temperature of the room; controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference; wherein, the actual ground temperature difference and the actual indoor temperature difference are positively correlated with the wind speed. According to the wind speed control method of the lower air outlet air conditioner, the actual ground temperature difference and the actual indoor temperature difference are obtained according to the set temperature, the ground temperature and the indoor temperature of the room, the wind speed is controlled and adjusted through the actual ground temperature difference and the actual indoor temperature difference, and the problem that the temperature of the bottom of the room is too low when the cabinet air conditioner heats in winter is solved.

Description

Air speed control method of lower air outlet air conditioner and lower air outlet air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a wind speed control method of a lower air outlet air conditioner and the lower air outlet air conditioner.
Background
With the improvement of living standard of people, the air conditioner becomes a necessary electric appliance for modern people at home and in offices, and the air conditioner is used for a long time especially in summer and winter. The air conditioner can refrigerate in summer and heat in winter, can adjust the indoor temperature to be warm in winter and cool in summer, and provides a comfortable environment for users.
At present, most air conditioners have various modes such as refrigeration and heating, can automatically select refrigeration or heating according to outdoor environment temperature in the process of carrying out an automatic control mode, and can automatically set target temperature and fan rotating speed according to indoor and outdoor temperatures so as to achieve the aim of indoor constant temperature as far as possible. However, in the heating process of the existing air conditioner, the heating process is judged and controlled only by a temperature sensor on the air conditioner, and the indoor temperature is difficult to reach the set temperature. Especially, when heating in winter, the cabinet air conditioner is easy to cause the problem that the temperature at the bottom of a room is too low.
Disclosure of Invention
The embodiment of the invention provides a wind speed control method of a lower air outlet air conditioner and the lower air outlet air conditioner, and solves the problem that the temperature of the bottom of a room is too low when a cabinet air conditioner heats in winter.
The embodiment of the invention provides a wind speed control method of a lower air outlet air conditioner, which comprises the following steps:
acquiring an actual ground temperature difference and an actual indoor temperature difference according to the set temperature, the ground temperature and the indoor temperature of the room;
controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference; wherein, the actual ground temperature difference and the actual indoor temperature difference are positively correlated with the wind speed.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, the step of controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference specifically comprises the following steps:
and if the actual ground temperature difference is in the first ground preset temperature interval and the actual indoor temperature difference is in the first indoor preset temperature interval, controlling the wind speed according to the first ground preset temperature interval and the numerical value corresponding to the first indoor preset temperature interval.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the actual temperature difference near the ground is in the first preset temperature interval near the ground and the actual indoor temperature difference is in the second preset temperature interval indoor, the wind speed is controlled according to the corresponding numerical values of the first preset temperature interval near the ground and the second preset temperature interval indoor;
the upper limit threshold value of the second indoor preset temperature interval is smaller than the lower limit threshold value of the first indoor preset temperature interval, and the wind speed of the numerical control corresponding to the second indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the first indoor preset temperature interval.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the actual temperature difference near the ground is within the second preset temperature interval near the ground and the actual indoor temperature difference is within the second preset temperature interval indoor, the wind speed is controlled according to the second preset temperature interval near the ground and the corresponding numerical value of the second preset temperature interval indoor;
the upper limit threshold of the second near-ground preset temperature interval is smaller than the lower limit threshold of the first near-ground preset temperature interval, and the wind speed controlled by the numerical value corresponding to the second near-ground preset temperature interval is smaller than the wind speed controlled by the numerical value corresponding to the first near-ground preset temperature interval.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the actual near-ground temperature difference is within the second near-ground preset temperature interval and the actual indoor temperature difference is within the third indoor preset temperature interval, the wind speed is controlled according to the second near-ground preset temperature interval and the numerical value corresponding to the third indoor preset temperature interval;
the upper limit threshold of the third indoor preset temperature interval is smaller than the lower limit threshold of the second indoor preset temperature interval, and the wind speed of the numerical control corresponding to the third indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the second indoor preset temperature interval.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the actual near-earth temperature difference is within the third near-earth preset temperature interval and the actual indoor temperature difference is within the third indoor preset temperature interval, the wind speed is controlled according to the third near-earth preset temperature interval and the numerical value corresponding to the third indoor preset temperature interval;
the upper limit threshold of the third near-ground preset temperature interval is smaller than the lower limit threshold of the second near-ground preset temperature interval, and the wind speed of numerical control corresponding to the third near-ground preset temperature interval is smaller than the wind speed of numerical control corresponding to the second near-ground preset temperature interval.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the actual temperature difference between the near ground and the third preset temperature interval and the actual temperature difference between the indoor and the fourth preset temperature interval are within the third preset temperature interval, the wind speed is controlled according to the numerical values corresponding to the third preset temperature interval and the fourth preset temperature interval;
the upper limit threshold of the fourth indoor preset temperature interval is smaller than the lower limit threshold of the third indoor preset temperature interval, and the wind speed of the numerical control corresponding to the fourth indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the third indoor preset temperature interval.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the actual near-earth temperature difference is in the fourth near-earth preset temperature interval and the actual indoor temperature difference is in the fourth indoor preset temperature interval, the wind speed is controlled according to the fourth near-earth preset temperature interval and the corresponding numerical value of the fourth indoor preset temperature interval;
the upper limit threshold of the fourth near preset temperature interval is smaller than the lower limit threshold of the third near preset temperature interval, and the wind speed of numerical control corresponding to the fourth near preset temperature interval is smaller than the wind speed of numerical control corresponding to the third near preset temperature interval.
The embodiment of the present invention further provides a lower air outlet air conditioner, including: the system comprises a main control module, a warm air control module, a fan and a plurality of temperature sensors;
the main control module, the fan and the temperature sensors are all in circuit connection with the warm air control module, and the temperature sensors are respectively used for detecting the ground temperature and the indoor temperature, so that the warm air control module controls the rotating speed of the fan according to the actual ground temperature difference and the actual indoor temperature difference.
According to an embodiment of the present invention, the lower outlet air conditioner further includes: the system comprises a WiFi control module, a mobile phone client and a cloud server; the main control module is in communication connection with the mobile phone client through the WiFi control module and the cloud server.
According to the wind speed control method of the lower air outlet air conditioner, the actual ground temperature difference and the actual indoor temperature difference are obtained according to the set temperature, the ground temperature and the indoor temperature of the room, the wind speed is controlled and adjusted through the actual ground temperature difference and the actual indoor temperature difference, and the problem that the temperature of the bottom of the room is too low when the cabinet air conditioner heats in winter is solved.
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 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 a wind speed of a lower outlet air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a lower outlet air conditioner provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of another lower outlet air conditioner provided in the embodiment of the present invention;
in the figure, 1, a temperature sensor; 11. a near-earth temperature sensor; 12. an indoor temperature sensor; 2. a warm air control module; 3. a fan; 4. a main control module; 5. a cloud server; 6. a mobile phone client; 7. and a WiFi control module.
Detailed Description
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.
The invention provides a wind speed control method of a lower air-out air conditioner, which is described below by combining with a figure 1 and a figure 2 and comprises the following steps:
step S1: and acquiring the actual ground temperature difference and the actual indoor temperature difference according to the set temperature, the ground temperature and the indoor temperature of the room.
Step S2: controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference; wherein, the actual ground temperature difference and the actual indoor temperature difference are positively correlated with the wind speed.
After the user selects the warm air function, the main control module 4 judges refrigeration or heating, and the warm air control module 2 is not started by default during refrigeration. During heating, the main control module 4 sends a signal to the warm air control module 2, the warm air control module 2 receives the signal and then controls the fan 3 to be started, the temperature sensor 1 is controlled to start measuring after the operation is carried out for a certain time, the temperature sensor 1 can acquire the ground temperature and the indoor temperature of a room, the actual ground temperature difference is obtained according to the difference value between the set temperature and the ground temperature, and the actual indoor temperature difference is obtained according to the difference value between the set temperature and the indoor temperature. The warm air control module 2 controls the rotating speed of the fan 3 according to the actual ground temperature difference and the actual indoor temperature difference, so that the air speed is adjusted through the rotating speed of the fan 3.
According to the distribution characteristics of the air temperature, the air temperature at the lower end of the bottom of the room is reduced from top to bottom in sequence when no other factors influence the air temperature. In the control process, the actual ground temperature difference and the actual indoor temperature difference are positively correlated with the wind speed. Suppose that the fan 3 adopts a three-level adjustable fan, corresponding to three levels of 900r/min, two levels of 750r/min and one level of 600 r/min. Generally, the warm air control module 2 controls the fan 3 to adopt a two-stage 750r/min rotating speed, and when the actual ground temperature difference and the actual indoor temperature difference are increased, the warm air control module 2 controls the fan 3 to increase the rotating speed and adopts a three-stage 900r/min rotating speed. When the actual ground temperature difference and the actual indoor temperature difference are reduced, the warm air control module 2 controls the rotating speed of the fan 3 to be reduced, and the first-level rotating speed of 600r/min is adopted.
It should be noted that the lower outlet air conditioner can be used in conjunction with a conventional cabinet air conditioner. In the heating process, the lower air outlet air conditioner can only adjust the bottom temperature according to the requirement, and can also be used for adjusting the indoor temperature.
According to the wind speed control method of the lower air outlet air conditioner, the actual ground temperature difference and the actual indoor temperature difference are obtained according to the set temperature, the ground temperature and the indoor temperature of the room, the wind speed is controlled and adjusted through the actual ground temperature difference and the actual indoor temperature difference, and the problem that the temperature of the bottom of the room is too low when the cabinet air conditioner heats in winter is solved.
In this embodiment, as shown in fig. 2, the number of the temperature sensors 1 is at least two, and includes: a ground temperature sensor 11 and an indoor temperature sensor 12. The near-earth temperature sensor 11 is used to measure the near-earth temperature. The indoor temperature sensor 12 is used to measure an indoor temperature.
The warm air control module 2 can detect the temperature of a room in the height of 60cm above the ground through the near-ground temperature sensor 11 in standby and starting states, feeds the temperature back to the display screen, prompts temperature values, displays blue when the values are lower than a set temperature, displays green when the values are suitable, and displays red when the values are higher than the set temperature. Meanwhile, the warm air control module 2 can also detect the temperature of the whole indoor through the indoor temperature sensor 12 and feed back the temperature to the display screen to prompt the temperature value, wherein the value is lower than the set temperature to display blue, and the value is suitable to display green and is higher than the set temperature to display red.
In the working process, the near-earth temperature sensor 11 detects the near-earth temperature, and the indoor temperature sensor 12 detects the indoor temperature. And calculating to obtain an actual near-earth temperature difference according to the difference value between the set temperature and the near-earth temperature, and calculating to obtain an actual indoor temperature difference according to the difference value between the set temperature and the indoor temperature. In winter heating process, the indoor temperature is generally larger than or equal to the near-earth temperature, so in the whole process, the actual near-earth temperature difference is larger than or equal to the actual indoor temperature difference.
If the actual ground temperature difference is in the first ground preset temperature interval and the actual indoor temperature difference is in the first indoor preset temperature interval, the warm air control module 2 controls the air speed according to the first ground preset temperature interval and the numerical value corresponding to the first indoor preset temperature interval.
If the actual ground temperature difference is in the first ground preset temperature interval and the actual indoor temperature difference is in the second indoor preset temperature interval, the warm air control module 2 controls the air speed according to the numerical values corresponding to the first ground preset temperature interval and the second indoor preset temperature interval.
The upper limit threshold value of the second indoor preset temperature interval is smaller than the lower limit threshold value of the first indoor preset temperature interval, and the wind speed of the numerical control corresponding to the second indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the first indoor preset temperature interval.
If the actual ground temperature difference is in the second ground preset temperature interval and the actual indoor temperature difference is in the second indoor preset temperature interval, the warm air control module 2 controls the air speed according to the second ground preset temperature interval and the numerical value corresponding to the second indoor preset temperature interval.
The upper limit threshold of the second near-ground preset temperature interval is smaller than the lower limit threshold of the first near-ground preset temperature interval, and the wind speed controlled by the numerical value corresponding to the second near-ground preset temperature interval is smaller than the wind speed controlled by the numerical value corresponding to the first near-ground preset temperature interval.
If the actual near-ground temperature difference is in the second near-ground preset temperature interval and the actual indoor temperature difference is in the third indoor preset temperature interval, the warm air control module 2 controls the air speed according to the second near-ground preset temperature interval and a numerical value corresponding to the third indoor preset temperature interval;
the upper limit threshold of the third indoor preset temperature interval is smaller than the lower limit threshold of the second indoor preset temperature interval, and the wind speed of the numerical control corresponding to the third indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the second indoor preset temperature interval.
If the actual near-ground temperature difference is within the third near-ground preset temperature interval and the actual indoor temperature difference is within the third indoor preset temperature interval, the warm air control module 2 controls the air speed according to the third near-ground preset temperature interval and the numerical value corresponding to the third indoor preset temperature interval.
The upper limit threshold of the third near-ground preset temperature interval is smaller than the lower limit threshold of the second near-ground preset temperature interval, and the wind speed of numerical control corresponding to the third near-ground preset temperature interval is smaller than the wind speed of numerical control corresponding to the second near-ground preset temperature interval.
If the actual ground temperature difference is in the third ground preset temperature interval and the actual indoor temperature difference is in the fourth indoor preset temperature interval, the warm air control module 2 controls the air speed according to the numerical values corresponding to the third ground preset temperature interval and the fourth indoor preset temperature interval.
The upper limit threshold of the fourth indoor preset temperature interval is smaller than the lower limit threshold of the third indoor preset temperature interval, and the wind speed of the numerical control corresponding to the fourth indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the third indoor preset temperature interval.
If the actual ground temperature difference is in the fourth ground preset temperature interval and the actual indoor temperature difference is in the fourth indoor preset temperature interval, the warm air control module 2 controls the air speed according to the fourth ground preset temperature interval and the numerical value corresponding to the fourth indoor preset temperature interval.
The upper limit threshold of the fourth near preset temperature interval is smaller than the lower limit threshold of the third near preset temperature interval, and the wind speed of numerical control corresponding to the fourth near preset temperature interval is smaller than the wind speed of numerical control corresponding to the third near preset temperature interval.
When the air conditioner is turned on or off, the warm air functions can be operated simultaneously or independently. After the user selects the warm air function, main control module 4 sends a signal to warm air control module 2, and after receiving the signal, warm air control module 2 can control all temperature sensors 1 to begin to measure the air temperature in the room at the same time, and each temperature sensor 1 can acquire the air temperature in the room at different heights. Each temperature sensor 1 can acquire the near-earth temperature and the indoor temperature of a room, obtain the actual near-earth temperature difference according to the difference between the set temperature and the near-earth temperature, and obtain the actual indoor temperature difference according to the difference between the set temperature and the indoor temperature. The warm air control module 2 controls the rotating speed of the fan 3 according to the actual ground temperature difference and the actual indoor temperature difference.
In a specific embodiment, it is assumed that the fan 3 provided by the present embodiment is provided with at least wind speed gears of 400r/min, 500r/min, 600r/min, 700r/min, 800r/min, 900r/min, 1000r/min, and the like. First, the near-earth temperature is detected by the near-earth temperature sensor 11, and the indoor temperature is detected by the indoor temperature sensor 12. In the whole process, the near-earth temperature sensor 11 and the indoor temperature sensor 12 measure the temperature in real time.
And calculating to obtain an actual near-earth temperature difference according to the difference value between the set temperature and the near-earth temperature, and calculating to obtain an actual indoor temperature difference according to the difference value between the set temperature and the indoor temperature.
When the set temperature-near ground temperature is equal to or more than 15 ℃ of the actual near ground temperature difference and the set temperature-indoor temperature is equal to or more than 15 ℃ of the actual indoor temperature difference, the warm air control module 2 controls the rotating speed of the fan 3 to be 1000 r/min.
The actual near-earth temperature difference is more than or equal to 15 ℃, and the actual indoor temperature difference is more than or equal to 10 ℃ and less than 15 ℃, the warm air control module 2 controls the rotating speed of the fan 3 to be 900 r/min.
The actual temperature difference between 10 ℃ and the ground is less than 15 ℃, and the actual indoor temperature difference between 10 ℃ and the indoor temperature is less than 15 ℃, the rotating speed of the fan 3 is controlled to be 800r/min by the warm air control module 2.
The rotating speed of the fan 3 is controlled to be 700r/min by the warm air control module 2 when the actual near-earth temperature difference is more than or equal to 10 ℃ and less than 15 ℃ and the actual indoor temperature difference is more than or equal to 5 ℃.
The rotating speed of the fan 3 is controlled to be 600r/min by the warm air control module 2 when the actual near-earth temperature difference is more than or equal to 5 ℃ and less than 10 ℃ and the actual indoor temperature difference is more than or equal to 5 ℃.
The actual temperature difference between 5 ℃ and 10 ℃ is less than or equal to the actual indoor temperature difference between 0 ℃ and 5 ℃, and the rotating speed of the fan 3 is controlled to be 500r/min by the warm air control module 2.
The rotating speed of the fan 3 is controlled to be 400r/min by the warm air control module 2 when the actual near-earth temperature difference is more than or equal to 0 ℃ and less than 5 ℃ and the actual indoor temperature difference is more than or equal to 0 ℃ and less than 5 ℃.
In addition, if the air conditioner has a warm air forced mode, the user can shield the near-ground temperature sensor 11 and the indoor temperature sensor 12 after selecting the mode, and the user can automatically and manually control the rotating speed of the fan 3.
The present invention also provides a lower outlet air conditioner, as shown in fig. 2, the lower outlet air conditioner includes: the system comprises a main control module 4, a warm air control module 2, a fan 3 and a plurality of temperature sensors 1. The main control module 4, the fan 3 and the temperature sensors 1 are all in circuit connection with the warm air control module 2, and the temperature sensors 1 are respectively used for detecting the ground temperature and the indoor temperature, so that the warm air control module 2 controls the rotating speed of the fan 3 according to the actual ground temperature difference and the actual indoor temperature difference.
The wind speed control method of the lower air outlet air conditioner comprises the following steps:
step S1: and acquiring the actual ground temperature difference and the actual indoor temperature difference according to the set temperature, the ground temperature and the indoor temperature of the room.
Step S2: controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference; wherein, the actual ground temperature difference and the actual indoor temperature difference are positively correlated with the wind speed.
After the user selects the warm air function, the main control module 4 judges refrigeration or heating, and the warm air control module 2 is not started by default during refrigeration. During heating, the main control module 4 sends a signal to the warm air control module 2, the warm air control module 2 receives the signal and then controls the fan 3 to be started, the temperature sensor 1 is controlled to start measuring after the operation is carried out for a certain time, the temperature sensor 1 can acquire the ground temperature and the indoor temperature of a room, the actual ground temperature difference is obtained according to the difference value between the set temperature and the ground temperature, and the actual indoor temperature difference is obtained according to the difference value between the set temperature and the indoor temperature. The warm air control module 2 controls the rotating speed of the fan 3 according to the actual ground temperature difference and the actual indoor temperature difference, so that the air speed is adjusted through the rotating speed of the fan 3.
In addition, as shown in fig. 3, the lower outlet air conditioner further includes: the system comprises a WiFi control module 7, a mobile phone client 6 and a cloud server 5. The main control module 4 is in communication connection with the mobile phone client 6 through the WiFi control module 7 and the cloud server 5. The warm air function of the lower air outlet air conditioner can be started through the mobile phone client 6. The temperature sensor 1 can detect the temperature in the height of 60cm at the bottom of the room in standby and on states, and feeds back the temperature to the mobile phone client 6, wherein the temperature includes a numerical value and prompt colors such as low blue temperature, proper green and high red temperature. The user can select display functions such as warm air and the like through the operation interface of the mobile phone client 6, and the mobile phone client 6 sends a signal to the cloud server 5 to the main control module 4. In addition, the mobile phone client 6 has a one-key setting function, and after the mobile phone client is selected to be started by a user, the lower air outlet air conditioner can automatically judge the indoor temperature and automatically start warm air.
According to the lower air outlet air conditioner provided by the invention, the actual near-ground temperature difference and the actual indoor temperature difference are obtained according to the set temperature, the near-ground temperature and the indoor temperature of the room, the air speed is controlled and adjusted through the actual near-ground temperature difference and the actual indoor temperature difference, and the problem that the temperature of the bottom of the room is too low when the cabinet air conditioner heats in winter is solved.
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.

Claims (10)

1. A wind speed control method of a lower air outlet air conditioner is characterized by comprising the following steps:
acquiring an actual ground temperature difference and an actual indoor temperature difference according to the set temperature, the ground temperature and the indoor temperature of the room;
controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference; wherein, the actual ground temperature difference and the actual indoor temperature difference are positively correlated with the wind speed.
2. The wind speed control method of the lower outlet air conditioner according to claim 1, wherein the step of controlling the wind speed according to the actual ground temperature difference and the actual indoor temperature difference specifically comprises:
and if the actual ground temperature difference is in the first ground preset temperature interval and the actual indoor temperature difference is in the first indoor preset temperature interval, controlling the wind speed according to the first ground preset temperature interval and the numerical value corresponding to the first indoor preset temperature interval.
3. The wind speed control method of a bottom-outlet air conditioner according to claim 2, wherein if the actual temperature difference between the ground and the first preset temperature interval is within the first preset temperature interval, and the actual temperature difference between the indoor and the second preset temperature interval is within the second preset temperature interval, the wind speed is controlled according to the corresponding values of the first preset temperature interval and the second preset temperature interval;
the upper limit threshold value of the second indoor preset temperature interval is smaller than the lower limit threshold value of the first indoor preset temperature interval, and the wind speed of the numerical control corresponding to the second indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the first indoor preset temperature interval.
4. The wind speed control method of a bottom-outlet air conditioner according to claim 3, wherein if the actual temperature difference is within the second preset temperature interval, and the actual indoor temperature difference is within the second preset temperature interval, the wind speed is controlled according to the second preset temperature interval and the corresponding value of the second preset temperature interval;
the upper limit threshold of the second near-ground preset temperature interval is smaller than the lower limit threshold of the first near-ground preset temperature interval, and the wind speed controlled by the numerical value corresponding to the second near-ground preset temperature interval is smaller than the wind speed controlled by the numerical value corresponding to the first near-ground preset temperature interval.
5. The wind speed control method of a bottom-outlet air conditioner according to claim 4, wherein if the actual temperature difference is within the second preset temperature range, and the actual temperature difference is within the third preset temperature range, the wind speed is controlled according to the values corresponding to the second preset temperature range and the third preset temperature range;
the upper limit threshold of the third indoor preset temperature interval is smaller than the lower limit threshold of the second indoor preset temperature interval, and the wind speed of the numerical control corresponding to the third indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the second indoor preset temperature interval.
6. The wind speed control method of a bottom-outlet air conditioner according to claim 5, wherein if the actual temperature difference is within a third preset temperature range, and the actual temperature difference is within a third preset temperature range, the wind speed is controlled according to the third preset temperature range and a value corresponding to the third preset temperature range;
the upper limit threshold of the third near-ground preset temperature interval is smaller than the lower limit threshold of the second near-ground preset temperature interval, and the wind speed of numerical control corresponding to the third near-ground preset temperature interval is smaller than the wind speed of numerical control corresponding to the second near-ground preset temperature interval.
7. The wind speed control method of a bottom-outlet air conditioner according to claim 6, wherein if the actual temperature difference between the ground and the third preset temperature interval is within a third preset temperature interval, and the actual temperature difference between the indoor and the fourth preset temperature interval is within a fourth preset temperature interval, the wind speed is controlled according to the values corresponding to the third preset temperature interval and the fourth preset temperature interval;
the upper limit threshold of the fourth indoor preset temperature interval is smaller than the lower limit threshold of the third indoor preset temperature interval, and the wind speed of the numerical control corresponding to the fourth indoor preset temperature interval is smaller than the wind speed of the numerical control corresponding to the third indoor preset temperature interval.
8. The wind speed control method of a bottom-outlet air conditioner according to claim 7, wherein if the actual temperature difference is within a fourth preset temperature interval, and the actual indoor temperature difference is within a fourth preset temperature interval, controlling the wind speed according to the fourth preset temperature interval and a value corresponding to the fourth preset temperature interval;
the upper limit threshold of the fourth near preset temperature interval is smaller than the lower limit threshold of the third near preset temperature interval, and the wind speed of numerical control corresponding to the fourth near preset temperature interval is smaller than the wind speed of numerical control corresponding to the third near preset temperature interval.
9. A downwind air conditioner for performing the wind speed control method according to any one of claims 1 to 8, comprising:
the system comprises a main control module, a warm air control module, a fan and a plurality of temperature sensors;
the main control module, the fan and the temperature sensors are all in circuit connection with the warm air control module, and the temperature sensors are respectively used for detecting the ground temperature and the indoor temperature, so that the warm air control module controls the rotating speed of the fan according to the actual ground temperature difference and the actual indoor temperature difference.
10. The lower outlet air conditioner of claim 9, further comprising: the system comprises a WiFi control module, a mobile phone client and a cloud server; the main control module is in communication connection with the mobile phone client through the WiFi control module and the cloud server.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038512A (en) * 1988-02-01 1990-01-03 三菱电机株式会社 Air conditioner
JPH02171518A (en) * 1988-12-23 1990-07-03 Sanyo Electric Co Ltd Control method for air-conditioning system
CN207422580U (en) * 2017-10-25 2018-05-29 广东美的制冷设备有限公司 Electric heating tube and with its air conditioner indoor unit, air conditioner
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