CN113357722A - Heating air conditioning fan and control method - Google Patents
Heating air conditioning fan and control method Download PDFInfo
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- CN113357722A CN113357722A CN202110552222.4A CN202110552222A CN113357722A CN 113357722 A CN113357722 A CN 113357722A CN 202110552222 A CN202110552222 A CN 202110552222A CN 113357722 A CN113357722 A CN 113357722A
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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- Combustion & Propulsion (AREA)
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- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a heating air-conditioning fan and a control method, which relate to the technical field of air temperature regulation, and the air-conditioning fan comprises: the heating device comprises a radiating pipe, a heat conducting pipe, a heater, an air pipe and a liquid pipe, wherein the radiating pipe is positioned in a ventilation channel of the air conditioning fan, the radiating pipe, the liquid pipe, the heat conducting pipe and the air pipe are sequentially connected end to form a circulating pipeline, a refrigerant is arranged in the circulating pipeline, the heater is used for heating the refrigerant, and at least one of the air pipe and the liquid pipe is provided with a throttle valve; and the controller is used for controlling the heater to heat the refrigerant and controlling the opening of the throttle valve. According to the heating air-conditioning fan and the control method, the heater is not arranged in the ventilation channel any more, so that the safety of the heater is improved; when the air conditioning fan blows out moisture, water dew cannot be condensed on the heater, so that the heater is prevented from being damaged; the heat conduction pipe has a certain heat storage function, and the temperature of the refrigerant can not be rapidly reduced within a period of time after the heater is closed.
Description
Technical Field
The invention relates to the technical field of air temperature regulation, in particular to a heating air conditioning fan and a control method.
Background
The air-conditioning fan is a fan with a brand new concept, the common air-conditioning fan at present is a refrigeration type air-conditioning fan, a refrigeration device is arranged in the air-conditioning fan, the refrigeration device refrigerates a circulating medium, the refrigerated circulating medium is guided to the fan, and the fan blows cold air for refrigeration; or the frozen ice crystals are adopted to cool the water in the water storage tank, and the cooled water vapor is blown out by the fan to refrigerate. Meanwhile, the refrigeration type air conditioning fan also has the function of humidifying air. Compared with an air conditioner, the air conditioning fan has low refrigeration power and low price, and is favored by more and more users.
However, in the air conditioning fan with heating function, the fan is mostly used to directly blow the electric heater, and the electric heater is mostly exposed in the air when heating at high temperature, even when heating in an environment with high humidity, the entering moisture is easy to oxidize the electric heater to a certain extent, thereby reducing the heating efficiency of the electric heater and seriously damaging the electric heater; in addition, the conventional heating air-conditioning fan adopting the direct blowing electric heater mode can only perform heating under the condition of starting electric heating, and is difficult to perform heat storage.
Disclosure of Invention
The invention provides a heating air-conditioning fan and a control method thereof, which are used for solving the defects that a heater of the heating air-conditioning fan is easy to damage and difficult to store heat in the prior art.
In order to solve the technical defects, the invention provides a heating air-conditioning fan, comprising:
the air conditioner comprises a heating device, a fan and a control device, wherein the heating device comprises a radiating pipe, a heat conducting pipe, a heater, an air pipe and a liquid pipe, the radiating pipe is positioned in a ventilation channel of the air conditioner fan, the radiating pipe, the liquid pipe, the heat conducting pipe and the air pipe are sequentially connected end to form a circulating pipeline, a refrigerant is arranged in the circulating pipeline, the heater is used for heating the refrigerant, and at least one of the air pipe and the liquid pipe is provided with a throttle valve;
and the controller is used for controlling the heater to heat the refrigerant and controlling the opening of the throttle valve.
According to the heating air-conditioning fan provided by the invention, the heat conduction pipe is positioned below the radiating pipe.
According to the heating air-conditioning fan provided by the invention, the air-conditioning fan heating device further comprises an insulation box, and the heat conduction pipe and the heater are positioned in the insulation box.
According to the heating air-conditioning fan provided by the invention, the heating air-conditioning fan further comprises a temperature sensor, and the temperature sensor is used for detecting the temperature of a refrigerant in the heat conduction pipe.
The invention also provides a control method for controlling the heating air-conditioning fan, which comprises the following steps:
after receiving an air conditioner fan starting instruction, opening a throttle valve, acquiring an indoor temperature value, and controlling the opening of the throttle valve according to a set temperature value and the indoor temperature value.
According to the control method of the heating air conditioning fan provided by the invention, the controlling the opening degree of the throttle valve according to the set temperature value and the indoor temperature value comprises the following steps:
calculating a first temperature difference value of a set temperature value and an indoor environment temperature value, determining a preset temperature interval in which the first temperature difference value falls, obtaining an opening signal corresponding to the preset temperature interval, and controlling the opening of the throttle valve according to the opening signal.
According to the control method of the heating air conditioning fan provided by the invention, the opening degree value corresponding to the opening degree signal is larger when the temperature value corresponding to the temperature preset interval is larger.
According to the control method of the heating air conditioning fan, after the opening degree signal is obtained, with a first preset time length as a period and every interval of the first preset time length, calculating a second temperature difference value between an indoor environment temperature value after the first preset time length and an indoor environment temperature value before the first preset time length, judging whether the second temperature difference value is larger than the first preset temperature value or not, and if so, maintaining the opening degree of the throttle valve; and if not, controlling the throttle valve to adjust the opening according to the preset opening amplitude.
According to the control method of the heating air conditioning fan, different temperature preset intervals correspond to different first preset temperature values, and the larger the temperature value corresponding to the temperature preset interval is, the larger the first preset temperature value is;
and after the temperature preset interval in which the first temperature difference value falls is determined, obtaining a first preset temperature value corresponding to the temperature preset interval in which the first temperature difference value falls.
According to the control method of the heating air conditioning fan, different temperature preset intervals correspond to different preset opening amplitudes, and the larger the temperature value corresponding to the temperature preset interval is, the larger the preset opening amplitude is;
and after the temperature preset interval in which the first temperature difference value falls is determined, obtaining a preset opening amplitude corresponding to the temperature preset interval in which the first temperature difference value falls.
According to the control method of the heating air-conditioning fan, provided by the invention, when the first temperature difference value falls into the temperature preset interval with the maximum corresponding temperature value and the throttle valve is increased to the maximum opening degree, whether the temperature of the inner pipe is smaller than a fifth preset temperature value or not is judged, and if yes, the heater is started; and if not, maintaining the opening degree of the throttle valve.
According to the heating air-conditioning fan and the control method, the heat conduction pipe and the radiating pipe are arranged, the heat conduction pipe and the radiating pipe are connected through the air pipe and the liquid pipe to form the circulating pipeline, the refrigerant is arranged in the circulating pipeline, the heater heats the refrigerant in the circulating pipeline to heat, the heater is not arranged in the ventilation channel any more, the heater is not affected by moisture, and the working safety of the electric heater is improved. In addition, the air-conditioning fan can be combined with the existing refrigeration type air-conditioning fan, so that water dew cannot be condensed on the electric heater when moisture is blown out of the air-conditioning fan, and the electric heater can be prevented from being damaged. And the arrangement of the radiating pipe also improves the contact area of the air-conditioning fan and improves the heat exchange efficiency.
Meanwhile, the heat conduction pipe does not need to be arranged in the ventilation channel and has a certain heat storage function, the refrigerant can be ensured to last for a period of time under a certain high-temperature condition, and the temperature of the refrigerant can not be rapidly reduced within a period of time after the heater is turned off.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for 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 view of a heating air-conditioning fan according to the present invention;
fig. 2 is a second schematic diagram of the heating air-conditioning fan provided by the present invention;
fig. 3 is a flowchart of a control method for a heating air-conditioning fan according to the present invention;
FIG. 4 is a flowchart of a control method for turning on a heater in a heat accumulation mode according to the present invention;
fig. 5 is a flow chart of a heating program control method provided by the present invention.
Reference numerals:
100, radiating pipes; 200, a heat conducting pipe; 300, a heater;
400, an air pipe; 500, a liquid pipe; 600, a throttle valve;
700, and an incubator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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.
In the description of the embodiments of the present invention, it is to be noted that unless otherwise explicitly specified or limited. "upper", "lower", "inner", and the like are used merely to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may also be changed accordingly. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. Specific meanings of the above terms in the embodiments of the invention will be understood to those of ordinary skill in the art in specific cases.
The heating air-conditioning fan of the present invention will be described with reference to fig. 1 to 2.
As shown in fig. 1, the heating air-conditioning fan includes a heating device including a heat dissipation pipe 100, a heat conduction pipe 200, a heater 300, an air pipe 400 and a liquid pipe 500, wherein the heat dissipation pipe 100, the liquid pipe 500, the heat conduction pipe 200 and the air pipe 400 are sequentially connected end to form a circulation pipeline, a refrigerant is disposed in the circulation pipeline, and the heater 300 is used for heating the refrigerant. A throttle valve is arranged on the air pipe and/or the liquid pipe; preferably, the air pipe and the liquid pipe are both provided with a throttle valve.
Specifically, the heat dissipation pipe 100 and the heat conduction pipe 200 are copper pipes made of the same material as the heat exchange coil of the air conditioner. The copper pipe has light weight, good heat conductivity and high low-temperature strength; meanwhile, the copper pipe is high temperature resistant and can be used in various environments, the pressure resistance of the copper pipe is several times or even dozens of times of that of a plastic pipe and an aluminum plastic pipe, and the copper pipe can bear the highest water pressure in the current building. In a hot water environment, the pressure bearing capacity of the plastic pipe is obviously reduced along with the prolonging of the service life, and the mechanical property of the copper pipe is kept unchanged in all hot temperature ranges, so the pressure resisting capacity of the copper pipe is not reduced, and the aging phenomenon is avoided.
Specifically, the cross-sectional shapes of the heat dissipation pipe 100 and the heat conduction pipe 200 may be square or circular, and preferably, a circular pipe is used, and the distance between the circumferential outer wall of the circular pipe and the medium in the pipe is the same, so that the heat exchange efficiency is high.
Specifically, a throttle valve 600 is disposed on the air tube 400 and/or the liquid tube 500. Referring to fig. 1, in this embodiment, a throttle 600 is disposed on an air pipe 400, when an air-conditioning fan heats to meet a heat demand of a user, the heater 300 and the throttle 600 are closed, the air pipe 400 is blocked, and a high-temperature gaseous refrigerant does not flow into the heat dissipation pipe 100 and remains in the heat conduction pipe 200, so as to prevent heat dissipation in the heat conduction pipe 200, and improve a heat storage effect of the heat conduction pipe 200.
Specifically, the throttle 600 disposed on the air pipe 400 is an electronic expansion valve, and can adjust the gas flow rate in the air pipe 400, and control the flow rate and flow rate of the high-temperature gaseous refrigerant in the heat pipe 200 flowing into the heat dissipation pipe 100 by adjusting the opening degree of the electronic expansion valve, so as to control the heating temperature of the heating air-conditioning fan.
Preferably, a throttle valve 600 is provided on both the air pipe 400 and the liquid pipe 500. The throttle 600 disposed on the liquid pipe 500 may also be an electronic expansion valve having a cut-off function, so as to effectively prevent the high-temperature gaseous refrigerant of the heat pipe 200 from flowing back into the heat dissipating pipe 100 from the return port. In one aspect, the electronic expansion valve can control the flow rate of the refrigerant condensed in the heat dissipation pipe 100 flowing into the heat pipe 200 by adjusting the opening degree, and control the pipe pressure in the heat dissipation pipe 100 to control the heating temperature of the air conditioner fan. On the other hand, when the heater 300 is turned off, the throttle 600 of the liquid pipe 500 may be closed at the same time, so that the refrigerant condensed in the heat pipe 100 is prevented from flowing into the heat transfer pipe 200, thereby improving the heat storage effect of the heat transfer pipe 200.
It should be noted that the throttle valve 600 described in this embodiment also has a cut-off function, and the throttle valve described in this embodiment also includes a cut-off valve having only a cut-off function; likewise, a valve body with a shut-off function is also within the scope of the invention as defined for a throttle valve.
In the heating device of the air conditioner fan in this embodiment, the air pipe 400 and the liquid pipe 500 are at least provided with one throttle 600, preferably, the air pipe 400 and the liquid pipe 500 are both provided with the throttle 600, so that when the air conditioner fan reaches a heating temperature, the heater 300 can be closed, and the air pipe 400 and the two throttle 600 on the liquid pipe 500 can be closed at the same time.
After the two throttle valves 600 on the gas pipe 400 and the liquid pipe 500 are closed at the same time, the gas pipe 400 and the liquid pipe 500 are both blocked, and the refrigerant in the heat conducting pipe 200 can be kept at a certain temperature in the heat preservation box 700 for a long time, so that the heat loss caused by the continuous flow of the high-temperature refrigerant into the heat radiating pipe is prevented.
Preferably, when the air conditioner fan operates, the throttle 600 of the air pipe 400 is opened first to allow the high-temperature gaseous refrigerant to enter the heat dissipation pipe from the air pipe 400, and the throttle 600 of the liquid pipe 500 is opened after the air conditioner fan operates for a period of time, so that the forward circulation of the refrigerant is realized.
Preferably, the air conditioner heating apparatus further includes an insulation box 700, and the heat pipe 200 and the heater 300 are located in the insulation box 700.
Specifically, the heat insulation box 700 is made of a heat insulation material, such as polyurethane foam, polystyrene board, EPS, XPS, phenolic foam, glass wool, rock wool, etc., the heat insulation box 700 is in a hollow box shape, and the heat conduction pipe 200 and the heater 300 are both installed in the heat insulation box 700. The heat insulation box 700 can prevent heat loss in the heat pipe 200, and improve the heat storage effect of the high-temperature refrigerant in the heat pipe 200.
Preferably, the air pipe 400 and the liquid pipe 500 penetrate from the heat insulation box 700 and are connected to the heat dissipation pipe 100, and sealing devices are disposed at the connection positions of the air pipe 400 and the liquid pipe 500 and the heat insulation box 700, so as to achieve heat insulation and sealing of the heat insulation box 700.
Preferably, a heat storage medium, such as water or saline water, having a relatively large specific heat capacity and being safe and pollution-free is disposed in the heat insulation box 700, so that the heat conduction pipe 200 in the heat insulation box 700 can be better insulated and stored.
Specifically, the air conditioner fan further includes a controller for controlling the heater 300 to heat the refrigerant and controlling the opening of the throttle valve 600.
In the heating air-conditioning fan of this embodiment, the heater 300 heats the refrigerant in the circulation pipeline, and particularly, the temperature of the refrigerant in the heat pipe 200 is heated. The refrigerant in the heat pipe 200 is gradually heated and gasified, and the gasified high-temperature refrigerant flows into the heat pipe 100 and exchanges heat with the air blown by the fan of the air conditioner through the heat pipe 100, so that the air conditioner blows hot air to heat the surrounding environment. The heat-dissipated refrigerant is gradually cooled and condensed, and the condensed liquid refrigerant returns to the heat conduction pipe 200 to be heated, thereby forming a heating cycle.
Meanwhile, after the throttle valves 600 on the liquid pipe 500 and the air pipe 400 are closed, the heat conduction pipe 200 is in a relatively closed state, so that the air-conditioning fan has a heat storage function. Moreover, even when the heating air-conditioning fan is not turned on (the user does not turn on the heating air-conditioning fan, and the fan of the heating air-conditioning fan does not rotate), the heating air-conditioning fan can independently turn on the heater 300 to heat the refrigerant in the heat conduction pipe 200 in the valley time period of power consumption at night, the heat insulation box 700 can effectively keep the heat of the refrigerant in the heat conduction pipe 200, and when the user turns on the heating function of the air-conditioning fan in the daytime, the air-conditioning fan can not turn on the heater 300, and firstly the heat in the heat conduction pipe 200 is transmitted to the heat dissipation pipe 100 to be dissipated, so that the energy-saving heating air-conditioning fan which consumes power at night and heats in the daytime is realized.
Moreover, the current air-conditioning fan with heating function mostly adopts the mode of directly blowing the electric heater by the fan, so that the electric heater is mostly exposed in the air when heating at high temperature, even when heating in the environment with high humidity, the entered moisture is easy to oxidize the electric heater to a certain extent, the heating efficiency of the electric heater is reduced, and the electric heater is seriously damaged.
The air conditioner fan heating device of this embodiment is through setting up heat pipe 200 and cooling tube 100 to be connected through trachea 400 and liquid pipe 500 between heat pipe 200 and the cooling tube 100 and form the circulation line, set up the refrigerant in the circulation line, the refrigerant in the heater 300 heating circulation line heats, no longer sets up the heater in ventilation channel, the heater does not receive the influence of moisture, has improved electric heater's work safety nature.
And, the air cooler described in this embodiment can be combined with the existing refrigeration type air cooler, and the water dew can not be condensed on the electric heater when the air cooler blows out the moisture, so that the electric heater can be prevented from being damaged. And the arrangement of the radiating pipe 100 also increases the contact area of the air conditioner fan and improves the heat exchange efficiency.
Meanwhile, the heat pipe 200 does not need to be installed in a ventilation passage, has a certain heat storage function, and can ensure that the refrigerant continues for a certain period of time under a certain high-temperature condition, and the interruption of the heating of the air conditioner fan cannot be caused in a short time after the heater 300 is turned off.
Further, the heating air-conditioning fan of this embodiment further includes a temperature sensor, and the temperature sensor is used for detecting the temperature of the refrigerant in the heat transfer pipe. Preferably, the temperature sensor is disposed on an outer wall of the heat conductive pipe 200.
Specifically, the heater 300 of the present embodiment may be an electric heater, including a resistance type electric heater, an infrared type electric heater, an electromagnetic type electric heater, and the like. The present embodiment is preferably a resistive electric heater. For example, the PTC electric heater is formed by bonding a plurality of PTCR thermal sensitive ceramic elements and corrugated heat dissipation aluminum strips through high-temperature glue, and has the advantages of small thermal resistance, high switching efficiency and the like. Or the heating wire heater winds the heating wire on the heat pipe 200, and wraps the heat insulation layer outside the heating wire, so that the heating temperature is high, the heat transfer efficiency is high, and the heating is fast.
Specifically, the heat dissipation pipe 100 and the heat pipe 200 have various positional relationships. Preferably, the heat pipe 200 is located below the heat dissipating pipe 100, the high-temperature gaseous refrigerant heated in the heat pipe 200 can naturally rise and enter the heat dissipating pipe 100 through the air pipe 400, and the refrigerant condensed by the heat dissipating pipe 100 can also flow into the heat pipe 200 under the action of gravity.
Preferably, the air tube 400 and/or the liquid tube 500 are disposed obliquely. In this embodiment, it is preferable that the gas pipe 400 and the liquid pipe 500 are both inclined, so that it can be prevented that the high-temperature gaseous refrigerant rising in the gas pipe 400 condenses out a liquid refrigerant in the gas pipe 400 and flows downward, which causes interference between the flow of the gaseous refrigerant and the flow of the liquid refrigerant, and the liquid refrigerant further reduces the rising high-temperature gaseous refrigerant, which causes the gas pipe 400 to be blocked seriously, so that the high-temperature gaseous refrigerant cannot rise.
The gas pipe 400 is obliquely arranged, so that the condensed liquid refrigerant can slide back into the heat conduction pipe 200, the temperature of the high-temperature gaseous refrigerant cannot be seriously influenced, and the gas pipe 400 cannot be blocked.
Preferably, the inclination angle between the air tube 400 and/or the liquid tube 500 and the horizontal plane is less than 70 degrees, so that the air tube 400 and/or the liquid tube 500 has a certain inclination angle, so that the condensed water flows down along the inclined pipeline.
It should be noted that the inclination angle refers to the minimum included angle between the air tube 400 and the horizontal plane, and the minimum included angle between the liquid tube 500 and the horizontal plane.
Specifically, the air tube 400 may be inclined in various inclination manners, and when the air tube 400 is in a non-linear shape, all that is ensured that the flow channel in the air tube 400 is inclined from the horizontal plane falls within the protection scope defined by the present invention.
It should be noted that, in this embodiment, it is preferable that the heat conducting pipe 200 is located below the heat radiating pipe 100, and has a better matching degree with the air duct when being installed inside the air conditioning fan. When the design of the air conditioner fan requires that the heat dissipation pipe 100 and the heat conduction pipe 200 are horizontally disposed, or the heat dissipation pipe 100 is located above the heat conduction pipe 200, the air pipe 400 is provided with a circulation pump to drive the gaseous refrigerant in the air pipe 400 to flow.
Preferably, the heat pipe 100 and/or the heat pipe 200 are coil-shaped. That is, the heat dissipation pipe 100 is in a coil shape, or the heat conduction pipe 200 is in a coil shape, or both the heat dissipation pipe 100 and the heat conduction pipe 200 in this embodiment are in a coil shape, specifically, a fin coil or a microchannel coil.
The coil structure of the heat pipe 100 and the heat pipe 200 may be various, and may be a spiral coil, for example, the heat pipe 200 is wound around the outside of the electric heating rod in a spiral manner, which is beneficial for the heater 300 to heat the heat pipe 200; it may also be a reciprocating coil, such as the heat pipe 100 in the same manner as the conventional air conditioner evaporator, to facilitate heat exchange between the heat pipe 100 and air.
Preferably, in the heating air-conditioning fan of this embodiment, the heating device is located in a casing of the air-conditioning fan, a ventilation channel is arranged in the casing, the heat dissipation tube 100 of the heating device of the air-conditioning fan is located in the ventilation channel, and a fan is further arranged in the ventilation channel and is suitable for blowing to the heat dissipation tube 100, so that the air-conditioning fan heats.
The air conditioner fan, through install the aforesaid in the air conditioner fan heating device, heating device is through setting up heat pipe 200 and cooling tube 100 to be connected through trachea 400 and liquid pipe 500 between heat pipe 200 and the cooling tube 100 and form the circulation line, set up the refrigerant in the circulation line, the refrigerant in the heater 300 heating circulation line heats, no longer sets up the heater in ventilation channel, the heater does not receive the influence of moisture, has improved electric heater's work safety nature.
And, the air cooler described in this embodiment can be combined with the existing refrigeration type air cooler, and the water dew can not be condensed on the electric heater when the air cooler blows out the moisture, so that the electric heater can be prevented from being damaged. And the arrangement of the radiating pipe 100 also increases the contact area of the air conditioner fan and improves the heat exchange efficiency.
Meanwhile, the heat pipe 200 does not need to be installed in a ventilation passage, has a certain heat storage function, and can ensure that the refrigerant continues for a certain period of time under a certain high-temperature condition, and the interruption of the heating of the air conditioner fan cannot be caused in a short time after the heater 300 is turned off.
Further, this embodiment also provides a method for controlling a heating air-conditioning fan according to any of the foregoing embodiments, including:
after receiving an air conditioner fan starting instruction, opening a throttle valve, acquiring an indoor temperature value, and controlling the opening of the throttle valve according to a set temperature value and the indoor temperature value.
Preferably, the controlling the opening degree of the throttle valve according to the set temperature value and the indoor temperature value includes:
calculating a first temperature difference value of a set temperature value and an indoor environment temperature value, determining a preset temperature interval in which the first temperature difference value falls, acquiring an opening signal corresponding to the preset temperature interval, and controlling the opening of the throttle valve according to the opening signal.
Specifically, a plurality of temperature preset intervals are preset in the air conditioner fan, each temperature preset interval corresponds to a different opening degree signal, and the different opening degree signals correspond to different opening degree values of the throttle valve.
Preferably, the larger the temperature value corresponding to the preset temperature interval is, the larger the opening value corresponding to the opening signal is.
For example, the preset interval has four intervals B1, B2, B3 and B4, wherein B1 is less than 0 ℃ (including 0 ℃), and the corresponding opening degree value p 1-20; b2 is 0 deg.C to 2 deg.C (excluding 0 deg.C and including 2 deg.C), corresponding to an opening value of p 1; b3 is 2 ℃ to 5 ℃ (excluding 2 ℃, including 5 ℃), corresponding to an opening value of p1+ 20; b4 is greater than 5 deg.C (excluding 5 deg.C), corresponding to an opening value of p1+ 50. It should be noted that the opening value p1 indicates that the opening value p1 of the throttle valve can make the indoor temperature stable around the set temperature during the heating process of the air conditioner fan, and the specific value is different for different types of air conditioner fans and different refrigerants.
When the judgment result is that the difference value between the current set temperature and the indoor environment temperature falls into the B4 interval, the throttle valve is controlled to operate at the opening degree of p1+50, so that the high-temperature gaseous refrigerant in the heat conduction pipe enters the heat dissipation pipe at a larger circulation amount, and the heating effect of the air-conditioning fan is improved. When the judgment result is that the difference value between the current set temperature and the indoor environment temperature falls into the interval B2, the throttle valve is controlled to operate at the opening degree of p1, so that the high-temperature gaseous refrigerant in the heat conduction pipe enters the heat dissipation pipe with relatively small flow, and the air conditioning fan is operated to maintain the indoor temperature at about the set temperature.
On the basis of the above embodiment, after the opening degree signal value is obtained, every time a first preset time period is set, calculating a second temperature difference value between the indoor environment temperature value after the first preset time period and the indoor environment temperature value before the first preset time period, where the second temperature difference value is a difference value between the indoor environment temperature value after the first preset time period and the indoor environment temperature value before the first preset time period, and determining whether the second temperature difference value is greater than a first preset temperature value T1, if so, maintaining the opening degree of the throttle valve; if not, acquiring a preset opening amplitude, and controlling the opening of the throttle valve to adjust the opening according to the preset opening amplitude.
For example, after the opening degree signal is obtained, a first preset time period is taken as 5min, every 5min interval, a second temperature difference value between an indoor environment temperature value after 5min and an indoor environment temperature value before 5min is calculated, whether the second temperature difference value is greater than a first preset temperature value T1 or not is judged, the first preset temperature value T1 can be a fixed value of 3 ℃, if the second temperature difference value is greater than 3 ℃, it is shown that the heating effect of the air conditioner fan is obvious, and the opening degree value of the throttle valve is maintained unchanged; and if the second temperature difference value is less than or equal to 3 ℃, the heating effect of the air conditioner fan is not obvious, the opening value of the throttle valve needs to be increased, and a preset opening amplitude value is increased on the basis of the previous opening value, wherein the preset opening amplitude value can be set to be 20.
Preferably, on the basis of the above embodiment, different temperature preset intervals correspond to different first preset temperature values T1, and after determining that the temperature that the first temperature difference value falls into is preset an interval, the first preset temperature value T1 that the temperature preset an interval corresponds is obtained, the temperature value that the temperature preset an interval corresponds is larger, and the first preset temperature value T1 is larger.
For example, the preset intervals include four intervals B1, B2, B3 and B4, the interval B1 is less than 0 ℃ (including 0 ℃), the corresponding opening value p1-20 is 5min, and the corresponding first preset temperature value T1 is-0.3 ℃; b2 is 0-2 deg.C (excluding 0 deg.C and including 2 deg.C), corresponding to an opening value p1, a first preset time period of 5min, and a corresponding first preset temperature value T1 of 0.3 deg.C; b3 is 2-5 ℃ (excluding 2 ℃ and including 5 ℃), corresponding to an opening value p1+20, a first preset time length is 5min, and corresponding to a first preset temperature value T1 is 0.5 ℃; b4 is greater than 5 deg.C (excluding 5 deg.C), corresponding to an opening value p1+50, a first preset time period of 5min, and corresponding to a first preset temperature value T1 of 0.8 deg.C.
Preferably, on the basis of the above embodiment, different temperature preset intervals correspond to different preset opening amplitudes, and after determining that the temperature in which the first temperature difference value falls is preset, the preset opening amplitude corresponding to the temperature preset interval is obtained, and the temperature value corresponding to the temperature preset interval is larger, and the preset opening amplitude is larger.
For example, the preset interval includes four intervals B1, B2, B3 and B4, where B1 is less than 0 ℃ (including 0 ℃), the corresponding opening value p1-20, the first preset time is 5min, the corresponding first preset temperature value T1 is-0.3 ℃, and the corresponding preset opening amplitude is-10; b2 is 0-2 ℃ (excluding 0 ℃ and including 2 ℃), the corresponding opening degree value p1 is 5min, the corresponding first preset temperature value T1 is 0.3 ℃, and the corresponding preset opening degree amplitude value is 10; b3 is 2-5 ℃ (excluding 2 ℃ and including 5 ℃), corresponding to the opening degree value p1+20, the first preset time is 5min, corresponding to the first preset temperature value T1 is 0.5 ℃, and corresponding to the preset opening degree amplitude value is 15; b4 is greater than 5 ℃ (excluding 5 ℃), corresponds to an opening value p1+50, has a first preset time period of 5min, corresponds to a first preset temperature value T1 of 0.8 ℃, and corresponds to a preset opening amplitude of 20.
Preferably, when the first temperature difference value falls into a temperature preset interval with the maximum corresponding temperature value and the throttle valve is increased to the maximum opening degree, judging whether the temperature of the inner pipe is smaller than a fifth preset temperature value or not, and if so, starting the heater; and if not, maintaining the opening degree of the throttle valve.
For example, when the first temperature difference value falls in the interval B4 and increases to the maximum opening degree of the throttle valve with the gradual adjustment of the opening degree of the throttle valve, it is determined whether the inner tube temperature is less than a fifth preset temperature value to detect whether the inner tube temperature meets the heating requirement. If the temperature of the inner pipe is lower than the fifth preset temperature value, the temperature of the inner pipe is not enough to heat, and a heater needs to be started to heat; if the temperature of the inner pipe is greater than or equal to the fifth preset temperature, the temperature of the inner pipe can meet the heating requirement, and the current maximum opening of the throttle valve is maintained for heating.
When the opening degree of the throttle valve is increased to the maximum opening degree, judging whether the temperature of the inner pipe is smaller than a fifth preset temperature value, wherein the fifth preset temperature value is a set temperature value of a lower level of heat released by a heat storage module preset in the air conditioner, and is 35 ℃ for example; when the temperature of the inner pipe is greater than or equal to a fifth preset temperature value, the indoor temperature can still be increased under the current opening degree of the throttle valve, and the heating control is quitted until the quitting condition is met; and when the temperature of the inner pipe is lower than the fifth preset temperature value, the heater is started to heat in time so as to ensure that the heating quantity and the heating speed meet the requirements of users.
Preferably, this embodiment further provides an air conditioner fan heat storage control method, which is shown in fig. 3 and includes the following steps:
step S100, after receiving an air conditioner fan shutdown instruction, closing a throttle valve;
step S200, the process proceeds to a heat accumulation control routine.
Specifically, the heat storage control program includes: acquiring a time value, judging whether the time value falls into a preset low-power time interval, if so, entering a heat storage mode, wherein the heat storage mode comprises a heater starting mode; if not, waiting for a second preset time period, then acquiring the time value again, and judging whether the time value falls into the preset low-power time interval or not until entering the heat storage mode.
Preferably, after entering the heat storage mode, the time value is acquired in real time, and when the acquired time value falls into a preset high-power time interval, the heat storage mode is exited.
Preferably, when the air conditioner fan starting command is received in the heat storage mode, the heat storage mode is also exited.
Specifically, receiving the shutdown instruction of the air conditioner fan means receiving the shutdown instruction sent by a user through a remote controller or an operation button, and after receiving the shutdown instruction, the air conditioner fan closes the fan and the throttle valve, so that the heat conduction pipe is in a closed state.
Specifically, the preset low power time interval refers to a preset power valley time period in the air conditioner fan memory. For example, in a certain area, the time period from the zero point of the morning to the 6 th point of the morning is the power consumption valley value time period, the electricity fee from the zero point of the morning to the 6 th point of the morning is low in 6 hours, and the electricity fee from the 6 th point of the morning to the next day is high in 18 hours, so that the time period from the zero point of the morning to the 6 th point of the morning can be recorded into the air conditioning fan, and the air conditioning fan acquires the time period information and determines the time period information as the preset low electricity time interval. In addition, the preset high-power time interval refers to a preset power peak time period in the air conditioner fan memory, and is determined as the preset high-power time interval if a time period of 18 hours from 6 am to the morning zero point of the next day is recorded in the air conditioner fan.
Preferably, the air-conditioning fan can be provided with a time setting program, and a user can input the time setting program through a mobile phone or a remote controller; optionally, the air conditioner fan may be configured to obtain the power consumption valley time period and the power consumption peak time period of the area through the internet of things after obtaining the positioning information, determine the obtained power consumption valley time period as a preset low power time interval, determine the obtained power consumption peak time period as a preset high power time interval, and enable automatic updating.
The heating air-conditioning fan control method of the embodiment closes the throttle valve after the air-conditioning fan is shut down, the air-conditioning fan automatically enters a heat storage control program, judges whether the air-conditioning fan is in a power consumption valley time period with low electric charge or not through time, and opens the heater for heat storage at the time with low electric charge, so that the heat stored in the heat conduction pipe is used for heating when the electric charge is higher in the daytime, and then the heater is opened for heating, thereby reducing the power consumption of users, reducing the power consumption in the peak time period, and improving the uniformity of regional power consumption.
Specifically, as shown in fig. 4, the method for controlling the heater to be turned on in the heat storage mode includes the following steps:
s210, acquiring a temperature value of an inner tube;
step S220, judging whether the temperature value of the inner tube is smaller than a second preset temperature value T2, if so, starting a heater; if not, acquiring the temperature value of the inner tube again after a third preset time interval, and judging whether the temperature value of the inner tube is smaller than the second preset temperature value T2 or not until the heater is started.
Specifically, the second preset temperature value T2 refers to a temperature value to which the refrigerant in the heat conduction pipe needs to be heated in a preset low-power time interval, for example, a heat storage level selected by a user through a remote controller or an operation button, where different heat storage levels correspond to different second preset temperature values T2. In this step, the second preset temperature value T2 is a fixed value preset by the air conditioner, such as 60 ℃
For example, the second preset temperature value T2 selected by the user is 60 ℃, the air-conditioning fan acquires an inner tube temperature value after entering the heat storage mode, and the heater is controlled to be turned on to store heat when the acquired inner tube temperature value is judged to be less than 60 ℃ and less than 60 ℃; when the temperature value of the inner pipe is greater than or equal to 60 ℃, judging whether the temperature value of the inner pipe is less than 60 ℃ again after 30 minutes, and circularly judging until the electric heating is started.
Preferably, after the heater is started, the temperature value of the inner tube is obtained in real time until the temperature value of the inner tube reaches or is greater than or equal to the fourth preset temperature value T4, the heater is turned off, the temperature value of the inner tube is obtained again at intervals of the fourth preset time length by taking the fourth preset time length as a period, and whether the temperature value of the inner tube is smaller than the fourth preset temperature value T4 is judged in a circulating manner until the heater is started.
In this embodiment, the fourth preset temperature value is a highest temperature value of the thermal storage module of the air conditioning fan, and if the highest temperature of the thermal storage module reaches 75 ℃, the heater and the thermal storage module are damaged if the heater is continuously turned on. After the heater is started, the temperature value of the inner tube is obtained in real time, whether the temperature value of the inner tube is increased to a fourth preset temperature value T4 is judged, the heater is timely turned off after the temperature value of the inner tube reaches a fourth preset temperature value T4, and the heating temperature of the heater is prevented from exceeding the heating demand of a user. And after the heater is turned off, the temperature value of the inner tube is obtained again after the fourth preset time interval, whether the temperature value of the inner tube is smaller than the second preset temperature value T2 is judged until the heater is turned on, automatic temperature monitoring is realized, and the temperature value of the inner tube of the air conditioner fan is ensured to be about the second preset temperature value T2 all the time.
For example, the second preset temperature value T2 selected by the user is 60 ℃, the fourth preset temperature value T4 is 75 ℃, the air-conditioning fan obtains the temperature value of the heat storage module after entering the heat storage mode, and controls the heater to be turned on to store heat when the obtained temperature value of the heat storage module is less than 60 ℃ and less than 60 ℃; and when the temperature value of the heat storage module is greater than or equal to 75 ℃, judging whether the temperature value of the heat storage module is less than 60 ℃ again after 30 minutes, and circularly judging until the electric heating is started. According to the embodiment, the heater is controlled to be turned on when the temperature is lower than 60 ℃ through autonomous temperature judgment, and is controlled to be turned off when the temperature reaches 75 ℃, so that the temperature of the heat storage module is always kept between 60 ℃ and 75 ℃.
Preferably, the temperature value of the inner tube in this embodiment is an average value of the temperatures of the refrigerants at a plurality of positions in the heat pipe, for example, the temperature values at 3 positions are taken at two ports and an intermediate position of the heat pipe, and the average value of the temperature values at 3 positions is calculated to determine the temperature value of the inner tube, so that the deviation of the temperature values of the inner tube caused by the difference of the temperatures at different positions in the heat pipe is prevented, and the accuracy of the judgment is improved.
Preferably, in the heating air-conditioning fan control method, even if the heat storage control program is already running, the heat storage control program is exited and the heating program is entered after the air-conditioning fan start-up command is received.
In the embodiment, the air-conditioning fan is used for heating preferentially, and the control priority of heat storage is lower than the priority of heating of the air-conditioning fan, so that the air-conditioning fan is ensured to meet the heating demand of a user.
Specifically, the heating program described in this embodiment may refer to an existing heating program of an air conditioning fan, determine a temperature value to be heated by the inner tube according to a temperature set by a user, and then control the time and power for turning on the heater.
Preferably, the present embodiment further provides a method for controlling a heating program, which is shown in fig. 5, and includes the following steps:
step M100, opening a throttle valve;
step M200, obtaining a temperature value of the inner tube;
step M300, judging whether the temperature value of the inner tube is less than a third preset temperature value T3, if so, starting a heater; if not, acquiring the temperature value of the inner tube again after a fifth preset time interval, and judging whether the temperature value of the inner tube is smaller than the third preset temperature value T3 or not until the heater is started.
Specifically, after receiving an air conditioner fan opening instruction sent by a user, the throttle valve is opened, so that high-temperature refrigerant in the heat conduction pipe can evaporate high-temperature steam and flow through the heat dissipation pipe, and heating of the air conditioner fan is achieved. After the throttle valve is opened, acquiring an inner pipe temperature value, wherein the inner pipe temperature value is preferably an average value of the temperatures of the refrigerants at a plurality of positions in the heat conduction pipe; and determining whether to start the heater by judging whether the temperature value of the inner pipe is less than a third preset temperature value T3, forming a circulating judgment, and starting electric heating in time when the temperature value of the inner pipe is less than a third preset temperature value T3.
Specifically, the third predetermined temperature value T3 is the lowest temperature value at which the refrigerant in the heat pipe evaporates high-temperature steam, that is, when the temperature is below the third predetermined temperature value T3, the refrigerant does not evaporate high-temperature gas any more, and at this time, the electric heating needs to be started to ensure that the high-temperature refrigerant can evaporate gaseous refrigerant. The third preset temperature value T3 may be obtained through experiments according to the refrigerant characteristics and preset in the controller of the air conditioner fan.
Specifically, after the heater is started, the temperature value of the inner tube is obtained in real time, and the heater is turned off until the temperature value of the inner tube reaches or is greater than a fourth preset temperature value.
The fourth preset temperature value described in this embodiment refers to a highest temperature to which the refrigerant in the heat conducting pipe can be heated. In this embodiment, the fourth preset temperature value is a highest temperature value of the thermal storage module of the air conditioning fan, and if the highest temperature of the thermal storage module reaches 75 ℃, the heater and the thermal storage module are damaged if the heater is continuously turned on.
Specifically, the fourth preset temperature value is greater than the third preset temperature value T3.
Similarly, the fourth preset temperature value may be obtained through experiments according to the refrigerant characteristics and preset in the controller of the air conditioning fan.
In the embodiment, the fourth preset temperature value is set, so that the instability of the system caused by overhigh temperature of the refrigerant after the heater is started is prevented, and the normal operation of heating of the air-conditioning fan is ensured.
It should be noted that the controller may include: the system comprises a processor (processor), a communication Interface (communication Interface), a memory (memory) and a communication bus, wherein the processor, the communication Interface and the memory are communicated with each other through the communication bus. The processor may call logic instructions in the memory to perform an air conditioner fan control method of the air conditioner.
In addition, the logic instructions in the memory may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the air conditioner fan control method of an air conditioner provided by the above methods.
In still another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform the air conditioner fan control method of the air conditioner provided above.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
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 (11)
1. A heating air conditioner fan, comprising:
the air conditioner comprises a heating device, a fan and a control device, wherein the heating device comprises a radiating pipe, a heat conducting pipe, a heater, an air pipe and a liquid pipe, the radiating pipe is positioned in a ventilation channel of the air conditioner fan, the radiating pipe, the liquid pipe, the heat conducting pipe and the air pipe are sequentially connected end to form a circulating pipeline, a refrigerant is arranged in the circulating pipeline, the heater is used for heating the refrigerant, and at least one of the air pipe and the liquid pipe is provided with a throttle valve;
and the controller is used for controlling the heater to heat the refrigerant and controlling the opening of the throttle valve.
2. The heating air conditioner fan as claimed in claim 1, wherein the heat conductive pipe is located below the heat radiating pipe.
3. The heating air-conditioning fan as claimed in claim 1, wherein said air-conditioning fan heating device further comprises an insulation box, and said heat conductive pipe and said heater are located in said insulation box.
4. The heating air-conditioning fan as claimed in claim 1, further comprising a temperature sensor for detecting a temperature of a refrigerant in the heat transfer pipe.
5. A control method for heating air-conditioning fan according to any one of claims 1 to 4, characterized by comprising the following steps:
after receiving an air conditioner fan starting instruction, opening a throttle valve, acquiring an indoor temperature value, and controlling the opening of the throttle valve according to a set temperature value and the indoor temperature value.
6. The method for controlling a heating air-conditioning fan according to claim 5, wherein the controlling the opening degree of the throttle valve according to the set temperature value and the indoor temperature value comprises:
calculating a first temperature difference value of a set temperature value and an indoor environment temperature value, determining a preset temperature interval in which the first temperature difference value falls, obtaining an opening signal corresponding to the preset temperature interval, and controlling the opening of the throttle valve according to the opening signal.
7. The heating air-conditioning fan control method according to claim 6, wherein the opening degree signal corresponds to a larger opening degree value when the temperature value corresponding to the preset temperature interval is larger.
8. The method for controlling a heating air-conditioning fan according to claim 7, wherein after the opening degree signal is obtained, a second temperature difference between the indoor ambient temperature value after the first preset time period and the indoor ambient temperature value before the first preset time period is calculated every interval of the first preset time period with the first preset time period as a period, whether the second temperature difference is greater than the first preset temperature value is judged, and if yes, the opening degree of the throttle valve is maintained; and if not, controlling the throttle valve to adjust the opening according to the preset opening amplitude.
9. The method for controlling a heating air-conditioning fan according to claim 8, wherein different temperature preset intervals correspond to different first preset temperature values, and the larger the temperature value corresponding to the temperature preset interval is, the larger the first preset temperature value is;
and after the temperature preset interval in which the first temperature difference value falls is determined, obtaining a first preset temperature value corresponding to the temperature preset interval in which the first temperature difference value falls.
10. The method for controlling a heating air-conditioning fan according to claim 9, wherein different preset temperature intervals correspond to different preset opening amplitudes, and the larger the temperature value corresponding to the preset temperature interval is, the larger the preset opening amplitude is;
and after the temperature preset interval in which the first temperature difference value falls is determined, obtaining a preset opening amplitude corresponding to the temperature preset interval in which the first temperature difference value falls.
11. The heating air-conditioning fan control method according to any one of claims 8 to 10, wherein when the first temperature difference value falls within a temperature preset interval in which the corresponding temperature value is the largest and the throttle valve is increased to the maximum opening degree, it is determined whether the temperature of the inner tube is less than a fifth preset temperature value, and if so, the heater is turned on; and if not, maintaining the opening degree of the throttle valve.
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| CN202110552222.4A CN113357722A (en) | 2021-05-20 | 2021-05-20 | Heating air conditioning fan and control method |
| PCT/CN2021/139920 WO2022242165A1 (en) | 2021-05-20 | 2021-12-21 | Heating evaporative air cooler and control method |
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| CN202110552222.4A CN113357722A (en) | 2021-05-20 | 2021-05-20 | Heating air conditioning fan and control method |
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| CN113819514A (en) * | 2021-09-15 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioning system and control method thereof |
| CN116742491A (en) * | 2023-08-09 | 2023-09-12 | 新乡市景弘电气有限公司 | Fire extinguishing device and box-type substation with same |
| CN116742491B (en) * | 2023-08-09 | 2023-11-21 | 新乡市景弘电气有限公司 | Fire extinguishing device and box-type substation with same |
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| WO2022242165A1 (en) | 2022-11-24 |
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