CN112984736B - Control method of lower air outlet air conditioner and lower air outlet air conditioner - Google Patents
Control method of lower air outlet air conditioner and lower air outlet air conditioner Download PDFInfo
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- CN112984736B CN112984736B CN202110204733.7A CN202110204733A CN112984736B CN 112984736 B CN112984736 B CN 112984736B CN 202110204733 A CN202110204733 A CN 202110204733A CN 112984736 B CN112984736 B CN 112984736B
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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
- 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
- F24F11/65—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 relates to the technical field of air conditioners, and provides a control method of a lower air outlet air conditioner and the lower air outlet air conditioner, wherein the control method comprises the following steps: acquiring the ratio of the actual near-earth temperature difference to the coil temperature according to the set temperature, the near-earth temperature and the coil temperature of the room; controlling a corresponding number of heaters to heat according to the ratio of the actual ground temperature difference to the temperature of the coil; the ratio of the near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters controlled by the warm air control module. According to the control method of the lower air outlet air conditioner, the ratio of the actual near-earth temperature difference to the coil pipe temperature is obtained according to the set temperature, the near-earth temperature and the coil pipe temperature of the room, the corresponding number of heaters can be controlled by the warm air control module according to the ratio to heat, 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
Technical Field
The invention relates to the technical field of air conditioners, in particular to a 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 of low temperature at the bottom of a room.
Disclosure of Invention
The embodiment of the invention provides a 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 control method of a lower air outlet air conditioner, which comprises the following steps:
acquiring the ratio of the actual near-earth temperature difference to the coil temperature according to the set temperature, the near-earth temperature and the coil temperature of the room;
controlling a corresponding number of heaters to heat according to the ratio of the actual ground temperature difference to the temperature of the coil; the ratio of the near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters controlled by the warm air control module.
According to the control method of the lower air outlet air conditioner provided by one embodiment of the invention, the step of controlling the heaters in corresponding number to heat according to the ratio of the actual ground temperature difference to the coil temperature specifically comprises the following steps:
if the ratio of the actual ground temperature difference to the coil temperature is within a first preset temperature range, the warm air control module controls the heater corresponding to the first preset temperature range to heat.
According to the control method of the lower air outlet air conditioner provided by one embodiment of the invention, if the ratio of the actual ground temperature difference to the temperature of the coil pipe is in a second preset temperature interval, the warm air control module controls the heater corresponding to the second preset temperature interval to heat;
the upper limit threshold of the second preset temperature interval is smaller than the lower limit threshold of the first preset temperature interval, and the number of the heaters corresponding to the second preset temperature interval is smaller than that of the heaters corresponding to the first preset temperature interval.
According to the control method of the lower air outlet air conditioner provided by one embodiment of the invention, if the ratio of the actual ground temperature difference to the temperature of the coil pipe is within a third preset temperature interval, the warm air control module controls the heater corresponding to the third preset temperature interval to heat;
the upper limit threshold of the third preset temperature interval is smaller than the lower limit threshold of the second preset temperature interval, and the number of the heaters corresponding to the third preset temperature interval is smaller than that of the heaters corresponding to the second preset temperature interval.
According to the control method of the lower air outlet air conditioner provided by one embodiment of the invention, if the ratio of the actual ground temperature difference to the temperature of the coil pipe is within a fourth preset temperature interval, the warm air control module controls the heater corresponding to the fourth preset temperature interval to heat;
the upper limit threshold of the fourth preset temperature interval is smaller than the lower limit threshold of the third preset temperature interval, and the number of the heaters corresponding to the fourth preset temperature interval is smaller than that of the heaters corresponding to the third preset temperature interval.
According to the control method of the lower outlet air conditioner provided by one embodiment of the present invention, the first preset temperature range is [0.5, + ∞ ], the second preset temperature range is [0.25, 0.5 ], the third preset temperature range is [0, 0.25 ], and the fourth preset temperature range is (— ∞, 0).
According to the control method of the lower outlet air conditioner provided by one embodiment of the present invention, before the step of obtaining the ratio of the actual temperature difference between the ground and the temperature of the coil according to the set temperature, the ground temperature and the temperature of the coil of the room, the method further comprises the steps of:
selecting a warm air function and/or a defrosting function according to needs;
if the defrosting function is selected, the warm air control module controls all the heaters to heat.
According to the control method of the lower air outlet air conditioner provided by the embodiment of the invention, if the warm air function is selected, the set temperature, the near-ground temperature and the coil temperature are obtained.
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 plurality of heaters, a warm air temperature sensor and a coil pipe temperature sensor;
the main control module, each heater, warm braw temperature sensor all with warm braw control module circuit connection, coil pipe temperature sensor with main control module circuit connection, warm braw temperature sensor acquires the nearly ground temperature, coil pipe temperature sensor acquires the coil pipe temperature, so that warm braw control module controls the corresponding quantity according to the ratio control of actual nearly ground difference in temperature and coil pipe temperature the heater heats.
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 control method of the lower air outlet air conditioner, the ratio of the actual near-earth temperature difference to the coil pipe temperature is obtained according to the set temperature, the near-earth temperature and the coil pipe temperature of the room, the corresponding number of heaters can be controlled by the warm air control module according to the ratio to heat, 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 embodiments or the description of 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 other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow diagram of a control method 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 warm air temperature sensor; 2. a warm air control module; 3. a heater; 4. a main control module; 5. a cloud server; 6. a mobile phone client; 7. a WiFi control module; 8. and a coil 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 control method of a lower air outlet air conditioner, which is described below by combining with fig. 1 and fig. 2 and comprises the following steps:
step S1: and acquiring the ratio of the actual near-earth temperature difference to the coil temperature according to the set temperature, the near-earth temperature and the coil temperature of the room.
Step S2: and controlling the heaters with corresponding quantity to heat according to the ratio of the actual ground temperature difference to the temperature of the coil. Wherein, the ratio of the near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters controlled by the warm air control module.
After the user selects the warm air function, main control module 4 sends a signal to warm air control module 2, and after warm air control module 2 received the signal, control warm air temperature sensor 1 began to measure the temperature of near-earth, and main control module 4 controls coil pipe temperature sensor 8 to measure the coil pipe temperature, obtains the actual temperature difference of near-earth according to the difference of settlement temperature and near-earth temperature, and the heater 3 of the corresponding quantity is controlled according to the ratio control of actual temperature difference of near-earth and coil pipe temperature and heats.
According to the distribution characteristic of the air temperature, when no other factors influence, the air temperature at the lower end of the bottom of the room is reduced from top to bottom in sequence, and the temperature of the whole bottom is kept stable while the temperature of the bottom of the room is prevented from being too low. In the control process, the ratio of the actual near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters 3 controlled by the warm air control module 2.
For example, as the ratio of the actual ground temperature difference to the coil temperature increases, the number of heaters 3 that the warm air control module 2 controls to operate increases. As the ratio of the actual ground temperature difference to the coil temperature decreases, the number of heaters 3 that the heater control module 2 controls to operate decreases.
It should be noted that the lower outlet air conditioner can be used in conjunction with conventional air conditioning equipment. Therefore, in the process of controlling heating, the lower air outlet air conditioner only needs to ensure the bottom temperature.
According to the control method of the lower air outlet air conditioner, the ratio of the actual near-earth temperature difference to the coil pipe temperature is obtained according to the set temperature, the near-earth temperature and the coil pipe temperature of the room, the corresponding number of heaters can be controlled by the warm air control module according to the ratio to heat, 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, 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 near-ground warm air temperature sensor 1, feed back the temperature to the display screen, prompt a temperature value, display blue when the value is lower than a set temperature, display green when the value is suitable, and display red when the value is higher than the set temperature. Simultaneously, warm braw control module 2 still can be through other temperature sensor detection indoor holistic temperature, also can feed back to the display screen in the same, suggestion temperature value, and the numerical value is less than the temperature setting and shows blue, suitably shows green, is higher than the temperature setting and shows red.
In the working process, the warm air temperature sensor 1 detects the temperature of the ground and the coil temperature sensor 8 is used for detecting the temperature of the coil. 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 then quoting the actual near-earth temperature difference and the coil temperature to obtain the ratio of the actual near-earth temperature difference to the coil temperature. In winter heating, the set temperature is generally higher than the near-earth temperature.
If the ratio of the actual ground temperature difference to the coil temperature is within a first preset temperature range, the warm air control module 2 controls the heater 3 corresponding to the first preset temperature range to heat.
If the ratio of the actual ground temperature difference to the coil temperature is within a second preset temperature range, the warm air control module 2 controls the heater 3 corresponding to the second preset temperature range to heat.
The upper threshold of the second preset temperature interval is smaller than the lower threshold of the first preset temperature interval, and the number of the heaters 3 corresponding to the second preset temperature interval is smaller than the number of the heaters corresponding to the first preset temperature interval.
If the ratio of the actual ground temperature difference to the coil temperature is within a third preset temperature range, the warm air control module 2 controls the heater 3 corresponding to the third preset temperature range to heat.
The upper threshold of the third preset temperature interval is smaller than the lower threshold of the second preset temperature interval, and the number of the heaters 3 corresponding to the third preset temperature interval is smaller than the number of the heaters 3 corresponding to the second preset temperature interval.
If the ratio of the actual ground temperature difference to the coil temperature is within a fourth preset temperature range, the warm air control module 2 controls the heater 3 corresponding to the fourth preset temperature range to heat.
The upper threshold of the fourth preset temperature interval is smaller than the lower threshold of the third preset temperature interval, and the number of the heaters 3 corresponding to the fourth preset temperature interval is smaller than the number of the heaters 3 corresponding to the third preset temperature interval.
In a specific embodiment, the near-earth temperature is detected by the warm air temperature sensor 1, and the coil temperature is detected by the coil temperature sensor 8. 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 then quoting the actual near-earth temperature difference and the coil temperature to obtain the ratio of the actual near-earth temperature difference to the coil temperature. And controlling the heaters 3 with corresponding quantity to heat according to the ratio of the actual ground temperature difference to the coil temperature.
The first preset temperature interval is [0.5, + ∞ ], and is more than or equal to 0.5 (set temperature-near-earth temperature)/coil temperature, and the ratio of the actual near-earth temperature difference to the coil temperature at this time corresponds to 6 heaters 3.
The second preset temperature interval is [0.25, 0.5 ], when the temperature is more than or equal to 0.25 (the set temperature-the near-earth temperature)/the coil temperature is less than 0.5, the ratio of the actual near-earth temperature difference to the coil temperature at the moment corresponds to 4 heaters 3.
The third preset temperature interval is [0, 0.25 ], when the temperature is more than or equal to 0 (the set temperature-the near-earth temperature)/the coil temperature is less than 0.25, the ratio of the actual near-earth temperature difference to the coil temperature corresponds to 2 heaters 3.
The fourth preset temperature interval is (— infinity, 0), (the set temperature-near-earth temperature)/the coil temperature is less than 0, at this time, the ratio of the actual near-earth temperature difference to the coil temperature corresponds to 0 heater 3, and all heaters 3 are turned off.
Before the set temperature, the near-earth temperature and the coil temperature are obtained, the warm air function or the defrosting function can be selected according to the requirement, or the warm air function and the defrosting function can be simultaneously selected. If the defrosting function is selected, the warm air control module 2 controls all the heaters 3 to heat. When the air conditioner is turned on or turned off, the warm air functions can be operated simultaneously or independently. If the warm air function is selected, the temperature near the ground is detected by the warm air temperature sensor 1, and the coil temperature sensor 8 is used for detecting the temperature of the coil. 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 then quoting the actual near-earth temperature difference and the coil temperature to obtain the ratio of the actual near-earth temperature difference to the coil temperature. And controlling a corresponding number of heaters 3 to heat according to the ratio of the actual ground temperature difference to the coil temperature. It should be noted that if two functions are selected simultaneously, because the defrosting function needs a large amount of heat, all the heaters 3 are controlled to heat, when the heater is activated, the logic program corresponding to the warm air function can be shielded, the warm air temperature sensor 1 and the coil temperature sensor 8 are shielded, and the structures corresponding to the warm air function are automatically activated to prevent the room temperature from being rapidly reduced.
In addition, if the air conditioner has a warm air forced mode, after the user selects the mode, the warm air temperature sensor 1 and the coil temperature sensor 8 can be shielded, and the user can automatically and manually select the starting number of the heaters 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 plurality of heaters 3, a warm air temperature sensor 1 and a coil pipe temperature sensor 8.
The main control module 4, the heaters 3 and the warm air temperature sensor 1 are all in circuit connection with the warm air control module 2, and the coil pipe temperature sensor 8 is directly in circuit connection with the main control module 4. The warm air temperature sensor 1 is used for measuring the temperature near the ground, and the coil pipe temperature sensor 8 is used for measuring the temperature of the coil pipe, so that the warm air control module 2 controls the heaters 3 with corresponding quantity according to the ratio of the actual temperature difference near the ground to the temperature of the coil pipe to heat. The ratio of the near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters 3 controlled by the warm air control module 2.
The control method of the lower air outlet air conditioner comprises the following steps:
step S1: and acquiring the ratio of the actual near-earth temperature difference to the coil temperature according to the set temperature, the near-earth temperature and the coil temperature of the room.
Step S2: controlling a corresponding number of heaters to heat according to the ratio of the actual ground temperature difference to the temperature of the coil; wherein, the ratio of the near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters controlled by the warm air control module.
After the user selects the warm braw function, main control module 4 sends a signal to warm braw control module 2, and after warm braw control module 2 received the signal, control warm braw temperature sensor 1 began to measure the near-earth temperature, and main control module 4 control coil pipe temperature sensor 8 measures the coil pipe temperature, obtains actual near-earth temperature difference according to the difference of setting for temperature and near-earth temperature, and the heater 3 that corresponds quantity is controlled according to the ratio control of actual near-earth temperature difference and coil pipe temperature heats.
According to the distribution characteristic of the air temperature, when no other factors influence, the air temperature at the lower end of the bottom of the room is reduced from top to bottom in sequence, and the temperature of the whole bottom is kept stable while the temperature of the bottom of the room is prevented from being too low. In the control process, the ratio of the actual near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters 3 controlled by the warm air control module 2.
For example, as the ratio of the actual ground temperature difference to the coil temperature increases, the number of heaters 3 that the warm air control module 2 controls to operate increases. As the ratio of the actual ground temperature difference to the coil temperature decreases, the number of heaters 3 that the heater control module 2 controls to operate decreases.
Before the set temperature, the near-earth temperature and the coil temperature are obtained, the warm air function or the defrosting function can be selected according to needs, or the warm air function and the defrosting function can be simultaneously selected. If the defrosting function is selected, the warm air control module 2 controls all the heaters 3 to heat. When the air conditioner is turned on or turned off, the warm air functions can be operated simultaneously or independently. If the warm air function is selected, the near-earth temperature is detected by the warm air temperature sensor 1, and the coil temperature sensor 8 is used for detecting the coil 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 then quoting the actual near-earth temperature difference and the coil temperature to obtain the ratio of the actual near-earth temperature difference to the coil temperature. And controlling the heaters 3 with corresponding quantity to heat according to the ratio of the actual ground temperature difference to the coil temperature. It should be noted that if two functions are selected simultaneously, because the defrosting function needs a large amount of heat, all the heaters 3 are controlled to heat, when the heater is activated, the logic program corresponding to the warm air function can be shielded, the warm air temperature sensor 1 and the coil temperature sensor 8 are shielded, and the structures corresponding to the warm air function are automatically activated to prevent the room temperature from being rapidly reduced.
In addition, if the air conditioner has a warm air forced mode, after the user selects the mode, the warm air temperature sensor 1 and the coil temperature sensor 8 can be shielded, and the user can independently and manually select the starting number of the heaters 3.
As shown in fig. 3, the lower air outlet air conditioner further comprises: 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 warm air 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 numerical values and prompt colors such as low blue temperature, proper green and high red temperature. The user can select warm air and other display functions 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 ratio of the actual near-earth temperature difference to the coil pipe temperature is obtained according to the set temperature, the near-earth temperature and the coil pipe temperature of the room, the corresponding number of heaters can be controlled by the warm air control module according to the ratio for heating, 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 control method of a lower air outlet air conditioner is characterized by comprising the following steps:
acquiring the ratio of the actual near-earth temperature difference to the coil temperature according to the set temperature, the near-earth temperature and the coil temperature of the room; the actual near-earth temperature difference is the difference between the set temperature and the near-earth temperature;
controlling a corresponding number of heaters to heat according to the ratio of the actual ground temperature difference to the temperature of the coil; the ratio of the near-earth temperature difference to the coil temperature is positively correlated with the number of the heaters controlled by the warm air control module.
2. The method for controlling the lower outlet air conditioner according to claim 1, wherein the step of controlling the heaters in the corresponding number to heat according to the ratio of the actual ground temperature difference to the coil temperature specifically comprises:
if the ratio of the actual ground temperature difference to the coil temperature is within a first preset temperature range, the warm air control module controls the heater corresponding to the first preset temperature range to heat.
3. The control method of the lower outlet air conditioner according to claim 2, wherein if the ratio of the actual ground temperature difference to the coil temperature is within a second preset temperature range, the warm air control module controls the heater corresponding to the second preset temperature range to heat;
the upper limit threshold of the second preset temperature interval is smaller than the lower limit threshold of the first preset temperature interval, and the number of the heaters corresponding to the second preset temperature interval is smaller than that of the heaters corresponding to the first preset temperature interval.
4. The control method of the lower air outlet air conditioner according to claim 3, wherein if the ratio of the actual ground temperature difference to the coil temperature is within a third preset temperature range, the warm air control module controls the heater corresponding to the third preset temperature range to heat;
the upper limit threshold of the third preset temperature interval is smaller than the lower limit threshold of the second preset temperature interval, and the number of the heaters corresponding to the third preset temperature interval is smaller than that of the heaters corresponding to the second preset temperature interval.
5. The control method of the lower air outlet air conditioner according to claim 4, wherein if the ratio of the actual ground temperature difference to the coil temperature is within a fourth preset temperature range, the warm air control module controls the heater corresponding to the fourth preset temperature range to heat;
the upper limit threshold of the fourth preset temperature interval is smaller than the lower limit threshold of the third preset temperature interval, and the number of the heaters corresponding to the fourth preset temperature interval is smaller than that of the heaters corresponding to the third preset temperature interval.
6. The control method of the lower outlet air conditioner according to claim 5, wherein the first preset temperature interval is [0.5, + ∞ ], the second preset temperature interval is [0.25, 0.5), [0, 0.25 ], the third preset temperature interval is [0, 0.25 ], and the fourth preset temperature interval is (∞, 0).
7. The method for controlling a lower outlet air conditioner according to claim 1, wherein the step of obtaining the ratio of the actual temperature difference between the ground and the temperature of the coil according to the set temperature, the temperature of the ground and the temperature of the coil of the room further comprises the steps of:
selecting a warm air function and/or a defrosting function according to needs;
if the defrosting function is selected, the warm air control module controls all the heaters to heat.
8. The method for controlling a bottom-outlet air conditioner according to claim 7, wherein the set temperature, the ground proximity temperature, and the coil temperature are obtained if the warm air function is selected.
9. A downwind air conditioner for performing the control method of any one of claims 1-8, comprising:
the system comprises a main control module, a warm air control module, a plurality of heaters, a warm air temperature sensor and a coil pipe temperature sensor;
the main control module, each heater, warm braw temperature sensor all with warm braw control module circuit connection, coil pipe temperature sensor with main control module circuit connection, warm braw temperature sensor acquires the nearly ground temperature, coil pipe temperature sensor acquires the coil pipe temperature, so that warm braw control module controls the corresponding quantity according to the ratio control of actual nearly ground difference in temperature and coil pipe temperature the heater heats.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110204733.7A CN112984736B (en) | 2021-02-23 | 2021-02-23 | Control method of lower air outlet air conditioner and lower air outlet air conditioner |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW231335B (en) * | 1991-05-30 | 1994-10-01 | Mitsubishi Electric Machine | Set-point variation device for heater |
| CN107023940A (en) * | 2017-03-30 | 2017-08-08 | 青岛海尔空调器有限总公司 | The control method of air conditioner heat-production operation |
| CN107514742A (en) * | 2017-07-27 | 2017-12-26 | 青岛海尔空调器有限总公司 | A kind of zoned air air conditioner electric heating controlling method and air conditioner |
| JP2019209937A (en) * | 2018-06-08 | 2019-12-12 | 株式会社デンソー | Air conditioner |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW231335B (en) * | 1991-05-30 | 1994-10-01 | Mitsubishi Electric Machine | Set-point variation device for heater |
| CN107023940A (en) * | 2017-03-30 | 2017-08-08 | 青岛海尔空调器有限总公司 | The control method of air conditioner heat-production operation |
| CN107514742A (en) * | 2017-07-27 | 2017-12-26 | 青岛海尔空调器有限总公司 | A kind of zoned air air conditioner electric heating controlling method and air conditioner |
| JP2019209937A (en) * | 2018-06-08 | 2019-12-12 | 株式会社デンソー | Air conditioner |
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