CN112984747A - 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 PDFInfo
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- CN112984747A CN112984747A CN202110281726.7A CN202110281726A CN112984747A CN 112984747 A CN112984747 A CN 112984747A CN 202110281726 A CN202110281726 A CN 202110281726A CN 112984747 A CN112984747 A CN 112984747A
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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
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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
- 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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- 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
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Abstract
The invention provides a wind speed control method of a lower air outlet air conditioner and the lower air outlet air conditioner, which comprises the following steps: acquiring the near-earth temperature, and matching the near-earth temperature with a preset near-earth temperature interval; if the acquired ground temperature is within a preset temperature interval, acquiring the temperature of the coil; the temperature difference between the temperature of the coil pipe and the temperature near the ground is matched with a plurality of preset temperature difference intervals, and the wind speed of the lower air outlet air conditioner is adjusted according to the fan rotating speed corresponding to the preset temperature difference interval where the temperature difference is located. According to the wind speed control method of the lower air-out air conditioner, the bottom temperature condition of a room is determined through the near-earth temperature, the coil temperature is obtained when the bottom temperature of the room is lower, the running state of the lower air-out air conditioner and the bottom temperature of the room are comprehensively considered through the coil temperature and the near-earth temperature, the wind speed of the lower air-out air conditioner is adjusted according to the rotating speed of a fan corresponding to a preset temperature difference interval where the temperature difference is located, and the problem that the bottom temperature of the room is too low when a cabinet air conditioner heats in winter is solved.
Description
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 the near-earth temperature, and matching the near-earth temperature with a preset near-earth temperature interval;
if the acquired ground temperature is within a preset temperature interval, acquiring the temperature of the coil;
matching the temperature difference between the temperature of the coil pipe and the temperature close to the ground with a plurality of preset temperature difference intervals, and adjusting the wind speed of the lower air outlet air conditioner according to the fan rotating speed corresponding to the preset temperature difference interval in which the temperature difference is located;
wherein, every preset temperature difference interval all is equipped with a fan rotational speed rather than corresponding.
According to the wind speed control method of the lower outlet air conditioner provided by one embodiment of the invention, if the obtained ground temperature is less than the lower limit threshold of the preset temperature interval, the rotating speed of the fan of the lower outlet air conditioner is adjusted to the maximum rotating speed of the fan corresponding to the preset temperature intervals.
According to the wind speed control method of the lower air-out air conditioner provided by one embodiment of the invention, if the acquired ground temperature is greater than the upper limit threshold of the preset temperature interval, the fan of the lower air-out air conditioner is turned off.
According to an embodiment of the present invention, a method for controlling a wind speed of a lower outlet air conditioner includes: a first preset temperature difference interval, a second preset temperature difference interval and a third preset temperature difference interval which are arranged in sequence from high to low in advance;
the rotating speeds of the fans corresponding to the first preset temperature difference interval, the second preset temperature difference interval and the third preset temperature difference interval which are arranged from high temperature to low temperature are reduced in sequence.
According to an embodiment of the present invention, the method for controlling the wind speed of the lower outlet air conditioner further includes: a fourth preset temperature difference interval; the upper limit threshold of the fourth preset temperature difference interval is smaller than the lower limit threshold of the third preset temperature difference area; the rotating speed of the fan corresponding to the fourth preset temperature difference interval is greater than that corresponding to the third preset temperature difference interval.
If the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a first preset temperature difference range, adjusting the rotating speed of the fan to a first rotating speed;
if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is in a second preset temperature difference range, adjusting the rotating speed of the fan to a second rotating speed;
if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a third preset temperature difference range, adjusting the rotating speed of the fan to a third rotating speed;
if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a fourth preset temperature difference range, adjusting the rotating speed of the fan to the first rotating speed;
wherein the first rotating speed is greater than the second rotating speed, and the second rotating speed is greater than the third rotating speed.
According to an embodiment of the wind speed control method of the lower outlet air conditioner, a temperature range of the first preset temperature difference interval is more than 25 ℃, a temperature range of the second preset temperature difference interval is 15 ℃ to 25 ℃, a temperature range of the third preset temperature difference interval is 0 ℃ to 15 ℃, and a temperature range of the fourth preset temperature difference interval is less than 0 ℃.
According to the air speed control method of the lower air outlet air conditioner provided by the embodiment of the invention, the temperature range of the preset near-earth temperature is 15-20 ℃.
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, a coil pipe temperature sensor and a near-ground temperature sensor;
the main control module the fan nearly ground temperature sensor with warm braw control module circuit connection, coil pipe temperature sensor with main control module circuit connection, coil pipe temperature sensor is used for measuring the coil pipe temperature, nearly ground temperature sensor is used for measuring nearly ground temperature, so that warm braw control module is according to coil pipe temperature and nearly ground temperature control the rotational speed of fan.
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-out air conditioner and the lower air-out air conditioner, the bottom temperature condition of a room is determined through the near-earth temperature, when the bottom temperature of the room is low, the temperature of the coil pipe is obtained, the running state of the lower air-out air conditioner and the bottom temperature of the room are comprehensively considered through the temperature of the coil pipe and the near-earth temperature, the wind speed of the lower air-out air conditioner is adjusted according to the rotating speed of the fan corresponding to the preset temperature difference interval where the temperature difference exists, and the problem that the bottom temperature 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 near-earth 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. a WiFi control module; 8. coil pipe temperature sensor.
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 near-earth temperature, and matching the near-earth temperature with a preset near-earth temperature interval. The temperature of a room in the height of 60cm above the ground is detected, and the preset temperature interval of the near ground is the temperature interval determined by a user according to the heating effect.
Step S2: and if the acquired ground temperature is within a preset temperature interval, acquiring the temperature of the coil.
Step S3: matching the temperature difference between the temperature of the coil pipe and the temperature close to the ground with a plurality of preset temperature difference intervals, and adjusting the wind speed of the lower air outlet air conditioner according to the fan rotating speed corresponding to the preset temperature difference interval in which the temperature difference is located; wherein, every preset temperature difference interval all is equipped with a fan rotational speed rather than corresponding.
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. The main control module 4 sends a signal to the warm air control module 2 during heating, the warm air control module 2 receives the signal and then controls the fan 3 to be started, the near-earth temperature sensor 1 is controlled to start measuring after running for a certain time, the near-earth temperature sensor 1 can acquire and detect the near-earth temperature of a room within 60cm of the height above the ground, the near-earth temperature is matched with a preset near-earth temperature interval, the preset near-earth temperature interval is a temperature interval determined by a user according to a heating effect, and the judgment of whether the current near-earth temperature belongs to a preset control model control range is equivalent.
If the obtained near-earth temperature is in a preset temperature interval, the obtained near-earth temperature belongs to the range controlled by a preset control model, at the moment, the coil pipe temperature sensor 8 is started to obtain the coil pipe temperature, the temperature difference between the coil pipe temperature and the near-earth temperature is matched with a plurality of preset temperature difference intervals, each preset temperature difference interval is provided with a fan rotating speed corresponding to the preset temperature difference interval, and the preset temperature difference interval and the fan rotating speed are equivalent to corresponding control parameters in the control model. And when heating, the temperature of the coil pipe is higher than the temperature close to the ground, and the wind speed of the lower air outlet air conditioner is adjusted according to the rotating speed of the fan corresponding to the preset temperature difference interval where the temperature difference is located.
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 in a matching way.
According to the wind speed control method of the lower air-out air conditioner, the bottom temperature condition of a room is determined through the near-earth temperature, the coil temperature is obtained when the bottom temperature of the room is lower, the running state of the lower air-out air conditioner and the bottom temperature of the room are comprehensively considered through the coil temperature and the near-earth temperature, the wind speed of the lower air-out air conditioner is adjusted according to the rotating speed of a fan corresponding to a preset temperature difference interval where the temperature difference is located, and the problem that the bottom temperature of the room is too low when a cabinet air conditioner heats in winter is solved.
In this embodiment, as shown in fig. 2, in standby and power-on states, the warm air control module 2 can detect the temperature of a room 60cm above the ground through the ground temperature sensor 1, and feed back the temperature to the display screen to prompt a temperature value, where the value is lower than a set temperature and displays blue, and the value is suitable for displaying green and higher than the set temperature and displays red.
And in the process of matching the near-earth temperature with the preset near-earth temperature interval.
And if the near-earth temperature acquired by the near-earth temperature sensor 1 is less than the lower limit threshold value of the preset temperature interval, adjusting the rotating speed of the fan of the lower air outlet air conditioner to the maximum rotating speed of the fan corresponding to the preset temperature difference intervals.
And if the near-earth temperature acquired by the near-earth temperature sensor 1 is greater than the upper limit threshold value of the preset temperature interval, closing the fan 3 of the lower air outlet air conditioner.
In this embodiment, the preset temperature difference intervals include: the temperature control device comprises a first preset temperature difference interval, a second preset temperature difference interval and a third preset temperature difference interval which are sequentially arranged from high to low in advance. The quantity of presetting the difference in temperature interval can be adjusted according to the demand, and in this embodiment, the fan rotational speed that the difference in temperature interval corresponds is predetermine to the first difference in temperature interval of presetting, the second that arranges from high temperature to low temperature and the difference in temperature interval is predetermine to the third and reduces in proper order.
When the difference in temperature of coil pipe temperature and ground temperature is less, for avoiding the air conditioner frosting, a plurality of temperature difference intervals of predetermineeing still include: and a fourth preset temperature difference interval. The upper limit threshold value of the fourth preset temperature difference interval is smaller than the lower limit threshold value of the third preset temperature difference area. The rotating speed of the fan corresponding to the fourth preset temperature difference interval is greater than that corresponding to the third preset temperature difference interval.
In the whole process, if the temperature difference between the coil pipe temperature and the ground temperature is within a first preset temperature difference range, the rotating speed of the fan is adjusted to be the first rotating speed.
And if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a second preset temperature difference range, adjusting the rotating speed of the fan to a second rotating speed.
And if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a third preset temperature difference range, adjusting the rotating speed of the fan to a third rotating speed.
If the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within the fourth preset temperature difference range, the rotating speed of the fan is adjusted to the first rotating speed, air is supplied at the maximum rotating speed, and the air conditioner is prevented from frosting. The first rotating speed is greater than the second rotating speed, and the second rotating speed is greater than the third rotating speed.
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 braw function, main control module 4 sends a signal to warm braw control module 2, warm braw control module 2 accepts signal back control fan 3 and opens, operate after the certain time and control nearly ground temperature sensor 1 and begin to measure again, match nearly ground temperature and predetermine nearly ground temperature interval, if the nearly ground temperature that acquires is in predetermineeing the temperature interval, open coil pipe temperature sensor 8 this moment and acquire the coil pipe temperature, and match the difference in temperature of coil pipe temperature and nearly ground temperature and a plurality of temperature difference intervals of predetermineeing, every predetermines the temperature difference interval and all is equipped with a fan rotational speed rather than corresponding, it is right according to the fan rotational speed that the predetermined temperature difference interval that the difference was located corresponds air-out air conditioner's wind speed down adjusts.
In a specific embodiment, the fan 3 is a three-stage adjustable fan, wherein three stages 900r/min correspond to a first rotating speed, two stages 750r/min correspond to a second rotating speed, and one stage 600r/min corresponds to a third rotating speed. The lower air outlet air conditioner operates for a certain time in the heating mode. The warm air control module 2 controls the near-earth temperature sensor 1 to measure the near-earth temperature. And matching the near-earth temperature with a preset near-earth temperature interval.
The temperature range of the preset near-earth temperature is assumed to be 15 ℃ to 20 ℃.
If the near-earth temperature is less than 15 ℃, the near-earth temperature is less than the lower limit threshold value of the preset temperature interval, the fan rotating speed of the lower air outlet air conditioner is adjusted to the maximum fan rotating speed corresponding to the preset temperature difference intervals, and the warm air control module 2 controls the fan 3 to adopt the first rotating speed corresponding to three-level 900 r/min.
If the near-earth temperature is higher than 20 ℃, and the near-earth temperature is higher than the upper limit threshold of the preset temperature interval, the warm air control module 2 controls the fan 3 to be closed.
If the temperature near the ground is 15-20 ℃, starting the coil pipe temperature sensor 8 to obtain the temperature of the coil pipe, matching the temperature difference between the temperature of the coil pipe and the temperature near the ground with a plurality of preset temperature difference intervals, wherein each preset temperature difference interval is provided with a fan rotating speed corresponding to the preset temperature difference interval. The plurality of preset temperature difference intervals include: the temperature control device comprises a first preset temperature difference interval, a second preset temperature difference interval, a third preset temperature difference interval and a fourth preset temperature difference interval which are sequentially arranged from high to low in advance. The temperature range of the first preset temperature difference interval is more than 25 ℃, the temperature range of the second preset temperature difference interval is 15-25 ℃, the temperature range of the third preset temperature difference interval is 0-15 ℃, and the temperature range of the fourth preset temperature difference interval is less than 0 ℃.
When the temperature difference between the coil temperature and the temperature close to the ground is within a first preset temperature difference range (more than 25 ℃), the warm air control module 2 controls the fan 3 to adopt a first rotating speed corresponding to three stages of 900 r/min.
When the temperature difference between the coil pipe temperature and the ground temperature is in a second preset temperature difference range (15-25 ℃), the warm air control module 2 controls the fan 3 to adopt a second rotating speed corresponding to two-stage 750 r/min.
When the temperature difference between the coil pipe temperature and the ground temperature is in a third preset temperature difference range (0-15 ℃), the warm air control module 2 controls the fan 3 to adopt a third rotating speed corresponding to first-stage 600 r/min.
When the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a fourth preset temperature difference range (below 0 ℃), the warm air control module 2 controls the fan 3 to adopt a first rotating speed corresponding to three stages of 900 r/min.
In addition, if the air conditioner has a warm air forced mode, after the user selects the mode, the near-ground temperature sensor 1 and the coil temperature sensor 8 can be shielded, 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, a near-ground temperature sensor 1 and a coil pipe temperature sensor 8. Main control module 4, fan 3 and nearly ground temperature sensor 1 all with warm braw control module 2 circuit connection, coil pipe temperature sensor 8 and main control module 4 circuit connection, coil pipe temperature sensor 8 is used for measuring the coil pipe temperature, and nearly ground temperature sensor 1 is used for measuring nearly ground temperature to make warm braw control module 2 according to coil pipe temperature and the rotational speed of nearly ground temperature control fan 3.
The wind speed control method of the lower air outlet air conditioner comprises the following steps:
step S1: and acquiring the near-earth temperature, and matching the near-earth temperature with a preset near-earth temperature interval. The temperature of a room in the height of 60cm above the ground is detected, and the preset temperature interval of the near ground is the temperature interval determined by a user according to the heating effect.
Step S2: and if the acquired ground temperature is within a preset temperature interval, acquiring the temperature of the coil.
Step S3: matching the temperature difference between the temperature of the coil pipe and the temperature close to the ground with a plurality of preset temperature difference intervals, and adjusting the wind speed of the lower air outlet air conditioner according to the fan rotating speed corresponding to the preset temperature difference interval in which the temperature difference is located; wherein, every preset temperature difference interval all is equipped with a fan rotational speed rather than corresponding.
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. The main control module 4 sends a signal to the warm air control module 2 during heating, the warm air control module 2 receives the signal and then controls the fan 3 to be started, the near-earth temperature sensor 1 is controlled to start measuring after running for a certain time, the near-earth temperature sensor 1 can acquire and detect the near-earth temperature of a room within 60cm of the height above the ground, the near-earth temperature is matched with a preset near-earth temperature interval, the preset near-earth temperature interval is a temperature interval determined by a user according to a heating effect, and the judgment of whether the current near-earth temperature belongs to a preset control model control range is equivalent.
If the obtained near-earth temperature is in a preset temperature interval, the obtained near-earth temperature belongs to the range controlled by a preset control model, at the moment, the coil pipe temperature sensor 8 is started to obtain the coil pipe temperature, the temperature difference between the coil pipe temperature and the near-earth temperature is matched with a plurality of preset temperature difference intervals, each preset temperature difference interval is provided with a fan rotating speed corresponding to the preset temperature difference interval, and the preset temperature difference interval and the fan rotating speed are equivalent to corresponding control parameters in the control model. And when heating, the temperature of the coil pipe is higher than the temperature close to the ground, and the wind speed of the lower air outlet air conditioner is adjusted according to the rotating speed of the fan corresponding to the preset temperature difference interval where the temperature difference is located.
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 near-earth temperature sensor 1 can detect the temperature in the height of 60cm at the bottom of a 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 a prompt color such as lower blue temperature, proper green temperature and higher 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-out air conditioner provided by the invention, the temperature condition of the bottom of the room is determined through the near-earth temperature, the temperature of the coil pipe is obtained when the temperature of the bottom of the room is lower, the running state of the lower air-out air conditioner and the temperature of the bottom of the room are comprehensively considered through the temperature of the coil pipe and the near-earth temperature, the air speed of the lower air-out air conditioner is adjusted according to the rotating speed of the fan corresponding to the preset temperature difference interval where the temperature difference exists, and the problem that the temperature of the bottom of the room is too low when the.
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 the near-earth temperature, and matching the near-earth temperature with a preset near-earth temperature interval;
if the acquired ground temperature is within a preset temperature interval, acquiring the temperature of the coil;
matching the temperature difference between the temperature of the coil pipe and the temperature close to the ground with a plurality of preset temperature difference intervals, and adjusting the wind speed of the lower air outlet air conditioner according to the fan rotating speed corresponding to the preset temperature difference interval in which the temperature difference is located; wherein, every preset temperature difference interval all is equipped with a fan rotational speed rather than corresponding.
2. The method for controlling the wind speed of the lower-outlet air conditioner according to claim 1, wherein if the obtained ground temperature is less than a lower threshold of a preset temperature interval, the fan speed of the lower-outlet air conditioner is adjusted to a maximum fan speed corresponding to a plurality of preset temperature intervals.
3. The method for controlling the wind speed of the lower-outlet air conditioner according to claim 2, wherein if the obtained ground temperature is greater than an upper threshold of a preset temperature interval, a fan of the lower-outlet air conditioner is turned off.
4. The wind speed control method of a lower outlet air conditioner according to claim 1, wherein the plurality of preset temperature difference intervals comprise: a first preset temperature difference interval, a second preset temperature difference interval and a third preset temperature difference interval which are arranged in sequence from high to low in advance; the rotating speeds of the fans corresponding to the first preset temperature difference interval, the second preset temperature difference interval and the third preset temperature difference interval which are arranged from high temperature to low temperature are reduced in sequence.
5. The wind speed control method of a lower outlet air conditioner according to claim 4, wherein the plurality of preset temperature difference intervals further comprise: a fourth preset temperature difference interval; the upper limit threshold of the fourth preset temperature difference interval is smaller than the lower limit threshold of the third preset temperature difference area; the rotating speed of the fan corresponding to the fourth preset temperature difference interval is greater than that corresponding to the third preset temperature difference interval.
6. The wind speed control method of a lower outlet air conditioner according to claim 5, wherein if the temperature difference between the coil temperature and the near-earth temperature is within a first preset temperature difference interval, the rotation speed of the fan is adjusted to a first rotation speed; if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is in a second preset temperature difference range, adjusting the rotating speed of the fan to a second rotating speed; if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a third preset temperature difference range, adjusting the rotating speed of the fan to a third rotating speed; if the temperature difference between the temperature of the coil pipe and the temperature close to the ground is within a fourth preset temperature difference range, adjusting the rotating speed of the fan to the first rotating speed; the first rotating speed is greater than the second rotating speed, and the second rotating speed is greater than the third rotating speed.
7. The method for controlling the wind speed of a lower outlet air conditioner according to claim 6, wherein the temperature range of the first predetermined temperature difference interval is 25 ℃ or higher, the temperature range of the second predetermined temperature difference interval is 15 ℃ to 25 ℃, the temperature range of the third predetermined temperature difference interval is 0 ℃ to 15 ℃, and the temperature range of the fourth predetermined temperature difference interval is 0 ℃ or lower.
8. The method for controlling the wind speed of a lower outlet air conditioner according to claim 1, wherein the preset temperature range of the near-earth temperature is 15 ℃ to 20 ℃.
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, a coil pipe temperature sensor and a near-ground temperature sensor;
the main control module the fan nearly ground temperature sensor with warm braw control module circuit connection, coil pipe temperature sensor with main control module circuit connection, coil pipe temperature sensor is used for measuring the coil pipe temperature, nearly ground temperature sensor is used for measuring nearly ground temperature, so that warm braw control module is according to coil pipe temperature and nearly ground temperature control the rotational speed of fan.
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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| WO2018176621A1 (en) * | 2017-03-30 | 2018-10-04 | 青岛海尔空调器有限总公司 | Control method for heating operation of air-conditioner |
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