CN114353191A - Heat exchange component, air conditioner and heat exchange method - Google Patents
Heat exchange component, air conditioner and heat exchange method Download PDFInfo
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- CN114353191A CN114353191A CN202210051069.1A CN202210051069A CN114353191A CN 114353191 A CN114353191 A CN 114353191A CN 202210051069 A CN202210051069 A CN 202210051069A CN 114353191 A CN114353191 A CN 114353191A
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Classifications
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
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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
- F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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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
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
The invention discloses a heat exchange component, an air conditioner and a heat exchange method.A heat insulation part is arranged between an auxiliary heating assembly and a heat exchanger, and heat exchange between the auxiliary heating assembly and the heat exchanger can be blocked by the heat insulation part, so that mutual interference between the auxiliary heating assembly and the heat exchanger can be reduced, the heating efficiency of the auxiliary heating assembly is improved, and the defrosting efficiency of the heat exchanger is also improved; when the air conditioner defrosts, the defrosting efficiency and the indoor heating efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a heat exchange component, an air conditioner and a heat exchange method.
Background
The air conditioner, namely an air conditioner, can adjust and control parameters such as temperature, humidity, flow velocity and the like of air in an indoor environment, and increases the comfort level of the indoor air environment;
in the related art, if an air conditioner is used for heating in winter, a thick frost layer is formed on an outdoor unit, and after the outdoor unit frosts, the air conditioner is switched from a heating mode to a cooling mode for defrosting; after the refrigerant is converted into a refrigeration mode, the high-temperature high-pressure gaseous refrigerant enters the condenser to defrost, and the low-temperature low-pressure liquid refrigerant enters the heat exchanger to absorb heat. In the related art, electric auxiliary heat is arranged to heat the indoor space, but in the electric auxiliary heating process, the heat exchanger is in a cooling mode, and the heat exchanger interfere with each other, so that the heating efficiency of the electric auxiliary heat to the indoor space is influenced, and the defrosting efficiency of the heat exchanger to an outdoor unit is also influenced.
Therefore, how to improve the defrosting efficiency and the electric auxiliary heating efficiency becomes a problem that needs to be improved in the prior art.
Disclosure of Invention
The application aims to provide a heat exchange component, an air conditioner and a heat exchange method so as to solve the problem of how to improve defrosting efficiency and electric auxiliary heating efficiency.
The scheme adopted by the application to solve the technical problems is as follows:
in a first aspect, the present application provides a heat exchange component comprising:
a heat exchanger;
an auxiliary heating assembly;
an insulating portion having a first state disposed at least partially between the heat exchanger and the auxiliary thermal assembly, the insulating portion in the first state configured to block heat exchange between the heat exchanger and the auxiliary thermal assembly.
In some embodiments of the present application, the insulation portion further has a second state in which the insulation portion has a first thermal resistance between the heat exchanger and the auxiliary thermal assembly; when the heat insulation part is in the first state, a second thermal resistance is formed between the heat exchanger and the auxiliary heating assembly, and the first thermal resistance is smaller than the second thermal resistance.
In some embodiments of the present application, the thermal insulation portion includes a thermal insulation plate that is switchable between a first state and a second state by a driving force.
In some embodiments of the present application, the heat exchange component further includes a driving structure and a transmission structure, the transmission structure is connected to the heat insulation board, the driving structure drives the transmission structure to move, and then the transmission structure drives the heat insulation board to move, so that the heat insulation board is switched between the first state and the second state.
In some embodiments of the present application, the heat insulation board is a folded structure, the folded structure is unfolded to form the first state, and the folded structure is folded to form the second state.
In some embodiments of the present application, the thermal insulation part further comprises a sheathing case for sheathing the heat exchanger or the auxiliary heating member.
In a second aspect, the present application further provides an air conditioner, including the above heat exchange component, the air conditioner includes a first mode, the first mode includes that the heat exchanger is converted from a first heating state to a first cooling state, and the auxiliary heating assembly is in a second heating state;
when the air conditioner is in a first mode, the heat insulation part of the heat exchange component is configured to block the heat exchanger and the auxiliary heating assembly from exchanging heat.
In some embodiments of the present application, the air conditioner further includes a first air duct, one end of the first air duct communicates with the indoor space, and the other end of the first air duct is provided with a first air opening and a second air opening, and the first air opening communicates with the heat exchanger through a control valve, or the second air opening communicates with the auxiliary heating assembly.
In a third aspect, the present application also provides a heat exchange method comprising the steps of,
the heat exchanger is converted from a first heating state to a first refrigerating state, and the outdoor unit is defrosted in the first refrigerating state;
setting the auxiliary heating assembly to be in a second heating state, and heating the indoor environment;
the heat insulation part is set to be in a first state, and the heat insulation part is arranged between the heat exchanger and the auxiliary heating assembly to block the heat exchanger and the auxiliary heating assembly from exchanging heat.
In some embodiments of the present application, after defrosting is finished, the method further includes the following steps,
the heat exchanger is converted from a first refrigeration state to a first heating state, and the indoor environment is heated in the first heating state;
and keeping the auxiliary heating assembly in a second heating state, setting the heat insulation part in the second state, and recovering heat exchange between the heat exchanger and the auxiliary heating assembly.
The heat exchange component, the air conditioner and the heat exchange method are provided with the heat insulation portion between the auxiliary heating assembly and the heat exchanger, heat exchange can be conducted between the auxiliary heating assembly and the heat exchanger through the heat insulation portion in a separating mode, mutual interference between the auxiliary heating assembly and the heat exchanger can be reduced, heating efficiency of the auxiliary heating assembly is improved, and defrosting efficiency of the heat exchanger is also improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a longitudinal sectional view of an air conditioner in a first state of the present invention;
FIG. 2 is a longitudinal cross-sectional view of a heat exchange member of the present invention;
FIG. 3 is a transverse sectional view of the air conditioner in the first state of the present invention;
FIG. 4 is a diagram of the steps of the heat exchange method of the present invention;
FIG. 5 is a longitudinal sectional view of the air conditioner in a second state of the present invention;
fig. 6 is a transverse sectional view of the air conditioner in the second state of the present invention.
Description of the element symbols:
1-auxiliary heating assembly, 2-heat insulation part and 3-heat exchanger.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments, 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 present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or including indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as exemplary is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles disclosed herein.
With the progress of science and technology, air conditioners generally enter households, generally have two modes of refrigeration and heating, a refrigeration mode is operated in summer, a heating mode is operated in winter, when air conditioning equipment is operated in winter for heating, the outdoor heat exchanger 3 becomes an evaporator, and because the evaporator absorbs heat during evaporation, the temperature of an outdoor heat exchange tube is reduced, water in outdoor wet air is easily condensed into frost on the surface of the outdoor heat exchanger 3 (the temperature of the outdoor heat exchanger 3 is lower than 0 ℃), and the frosting of the outdoor heat exchanger 3 can cause the low heat exchange efficiency of the heat exchanger 3, so that the heat exchange effect is influenced, and the system needs defrosting treatment.
At present, the conventional defrosting mode of the air conditioning equipment generally adopts a mode of reversing by arranging a four-way valve between air conditioning circulation systems, a heating operation mode is switched to a cooling operation mode, so that an outdoor heat exchanger 3 becomes a condenser, and defrosting is performed by applying work and absorbing heat to the indoor through a compressor, however, when the defrosting mode is used for defrosting, the indoor heat exchanger 3 becomes an evaporator in the defrosting process, the air blown out by an indoor fan is absorbed by heat when passing through the evaporator, the outlet air temperature of an indoor machine is directly reduced by more than 10 degrees, so that the indoor temperature is reduced by about 5-9 degrees, and thus, the air conditioning equipment cannot reach the temperature set by a user, and the comfort brought to the user by the air conditioning equipment cannot be achieved. In the related art, the auxiliary heating is performed indoors by adopting the electric auxiliary heat, so that the condition that the indoor temperature is reduced due to defrosting can be avoided, but because the electric auxiliary heat and the heat exchanger 3 are both arranged in the same air conditioner structure, the electric auxiliary heat and the heat exchanger 3 mutually interfere with each other, and the respective working efficiency is reduced.
Referring to fig. 1 to 3, fig. 1 is a longitudinal sectional view of an air conditioner according to the present invention, and fig. 2 is a longitudinal sectional view of a heat exchange member according to the present invention; FIG. 3 is a transverse cross-sectional view of the air conditioner of the present invention; the main body of this embodiment is a heat exchange member, including: a heat exchanger 3; an auxiliary heating assembly 1; an insulating portion 2, the insulating portion 2 having a first state at least partially disposed between the heat exchanger 3 and the auxiliary thermal assembly 1, the insulating portion 2 in the first state being configured to block the heat exchanger 3 and the auxiliary thermal assembly 1 from exchanging heat. Be provided with heat insulating part 2 between auxiliary heating subassembly 1 and heat exchanger 3, can separate through heat insulating part 2 and assist and carry out the heat exchange between heating subassembly 1 and the heat exchanger 3, can reduce the mutual interference between auxiliary heating subassembly 1 and the heat exchanger 3, improve auxiliary heating subassembly 1 and heat efficiency, also improved heat exchanger 3's defrosting efficiency.
Specifically, the heat exchanger 3 can work as a heater, a condenser, a cooler, an evaporator, and the like, and realize the functions of cooling and heating; the heat exchanger 3 can be a V-shaped or multi-fold heat exchanger 3 structure formed by long U-shaped heat exchange tubes and fins, and in the embodiment, the heat exchange part is suitable for a vertical cylindrical air conditioner, so the heat exchanger 3 can be optimized to be the V-shaped heat exchanger 3. The structure of the heat insulating part 2 and the structure of the heat exchanger 3 may be in a V-shape. In some embodiments, the heat exchanger 3 and the auxiliary heating assembly 1 are completely blocked by the heat insulating portion 2, and the heat insulating portion 2 has a good heat blocking effect, that is, a heat exchange channel is arranged between the heat exchanger 3 and the auxiliary heating assembly 1, and the heat insulating portion 2 is hermetically arranged on the heat exchange channel and completely blocks the heat exchange channel. More specifically, the auxiliary heating assembly 1 is an electric auxiliary heating structure, the electric auxiliary heating structure mainly adopts a PTC electric auxiliary heating technology, the PTC is semiconductor heating ceramic, when the external temperature is reduced, the resistance value of the PTC is reduced, the heating amount is correspondingly increased, and the indoor environment can be heated in an auxiliary manner through electric auxiliary heating.
In some embodiments of the present application, referring to fig. 5 and 6, the insulation portion 2 further has a second state, and when the insulation portion 2 is in the second state, a first thermal resistance exists between the heat exchanger 3 and the auxiliary heating assembly 1; when the heat insulation part 2 is in the first state, a second thermal resistance is formed between the heat exchanger 3 and the auxiliary heating assembly 1, and the first thermal resistance is smaller than the second thermal resistance. If need heat exchanger 3 to indoor heating, can adjust thermal-insulated portion 2 to the second state, when heat exchanger 3 just started, assist hot subassembly 1 and heat exchanger 3 for also can blow off the higher gas of temperature when heat exchanger 3 just worked, promote human comfort level. Whether heat insulating part 2 insulates heat to heat exchanger 3 and auxiliary heating unit 1 can be selected according to actual need, when heat exchanger 3 and auxiliary heating unit 1 are in the heating state simultaneously, adjust heat insulating part 2 to the second state, can make auxiliary heating unit 1 heat up heat exchanger 3 part for the wind that heat exchanger 3 blew off is the warm braw. When assisting thermal subassembly 1 and being in the state of heating, heat exchanger 3 is in the refrigeration state, adjust heat insulating portion 2 to first state, can assist thermal subassembly 1 and heat exchanger 3 to carry out the separation, it is higher to assist thermal subassembly 1 temperature, and heat exchanger 3 temperature is lower, can prevent to assist thermal subassembly 1 and heat exchanger 3 to carry out heat exchange to arouse to reduce and assist the condition of thermal subassembly 1 heating efficiency, reduction heat exchanger 3 refrigeration efficiency.
In some embodiments, it is assumed that, in the case where the thermal insulation portion 2 is not provided between the heat exchanger 3 and the auxiliary thermal assembly 1, there is a third thermal resistance between the heat exchanger 3 and the auxiliary thermal assembly 1, and the first thermal resistance is between the third thermal resistance and the second thermal resistance; specifically, the first state of the heat insulating part 2 is the position where the heat insulating part is located when the heat insulating effect is the best; the second state is the position of the heat-resisting part when the heat-resisting effect of the second state is smaller than the flame-retardant effect of the first state; more specifically, the second state of the heat blocking portion may be partially disposed between the heat exchanger 3 and the auxiliary heat assembly 1, or may not be disposed at all between the heat exchanger 3 and the auxiliary heat assembly 1.
In some embodiments of the present application, the insulation portion 2 includes an insulation board that can be switched between a first state and a second state by a driving force. The insulation part 2 may include, but is not limited to, an insulation board, an insulation chamber; in some embodiments, a heat insulation cavity is selected as the heat insulation part 2, and the heat transfer efficiency of the heat exchanger 3 and the auxiliary heating assembly 1 is reduced by filling gas with low heat conduction efficiency in the heat insulation cavity; in some embodiments, the insulation board is selected to be the insulation portion 2, the insulation board is made of an insulation material, and the insulation material is a material capable of blocking heat flow transmission, including but not limited to glass fiber, asbestos, rock wool, silicate, aerogel blanket, vacuum plate, and the like.
Specifically, the mode of adjusting the switching between the first state and the second state of the thermal insulation board may include a folding type, which is similar to a louver structure, and the motor controls the louver to fold or unfold, wherein when the louver is folded, the thermal resistance between the heat exchanger 3 and the auxiliary heat assembly 1 is low, and when the louver is unfolded, the thermal resistance between the heat exchanger 3 and the auxiliary heat assembly 1 is high; the heat insulation plate can also be arranged to be a lifting type, which is similar to a lifting structure of a car window, the motor drives the heat insulation plate to do reciprocating telescopic motion towards a certain fixed direction, when the heat insulation plate extends out to the maximum position, the thermal resistance between the heat exchanger 3 and the auxiliary heat assembly 1 is high, and when the heat insulation plate contracts to the lowest position, the thermal resistance between the heat exchanger 3 and the auxiliary heat assembly 1 is low. The rotating part can also be arranged in a rotating mode, the rotating part comprises one or more rotating baffles, when the rotating baffles are perpendicular to the first direction, the thermal resistance between the heat exchanger 3 and the auxiliary heating assembly 1 is high, and when the rotating baffles are parallel to the first mode, the thermal resistance between the heat exchanger 3 and the auxiliary heating assembly 1 is low; wherein the first direction is a linear direction in which the heat exchanger 3 points to the auxiliary heating assembly 1 or a linear direction in which the auxiliary heating assembly 1 points to the heat exchanger 3. In some embodiments, as shown in fig. 5, the telescopic structure of the heat insulation part 2 may be an up-and-down moving structure, or a left-and-right moving structure as shown in fig. 6.
In some embodiments of the present application, the heat exchange component further includes a driving structure and a transmission structure, the transmission structure is connected to the heat insulation board, the driving structure drives the transmission structure to move, and then the transmission structure drives the heat insulation board to move, so that the heat insulation board is switched between the first state and the second state. The driving structure comprises a motor, and the transmission structure comprises a transmission belt or a transmission chain; the lifting structure is equivalent to a car window, the specific transmission structure is a transmission belt, the two fixed pulleys are further arranged, the transmission belt is sleeved on the motor and the two fixed pulleys to form a closed triangular structure, a positioning piece is arranged on any one side of the triangular structure, and the positioning piece is fixed with the heat insulation plate through the positioning piece, so that the heat insulation plate is driven to automatically move.
In some embodiments of the present application, the heat insulation board is a folded structure, the folded structure is unfolded to form the first state, and the folded structure is folded to form the second state. The heat insulation board comprises a plurality of folding parts which can be folded and folded through connecting wires or unfolded through releasing the connecting wires to form a plane, which is equivalent to a bundling structure of the shutter. In some embodiments, the heat insulation board may be configured to be a deformed structure, the heat insulation board includes a deformed portion and a bent portion, the deformed portion may be made of a thermally deformable material, and the bending direction and the bending degree of the deformed portion are adjusted by sensing a temperature change at both sides, so as to adjust an inclination angle of the bent portion.
In some embodiments of the present application, the thermal insulation part 2 further comprises a cladding housing for cladding the heat exchanger 3 or the auxiliary heating assembly 1. The coating shell is made of a heat insulating material, specifically, the auxiliary heating assembly 1 is coated through the coating shell, the auxiliary heating assembly 1 is in a heating state, when the heat exchanger 3 is in a refrigerating state, heat emitted to the outside by the auxiliary heating assembly 1 can be reduced, mutual interference between the auxiliary heating assembly 1 and the heat exchanger 3 is reduced, and heat dissipation of the auxiliary heating assembly 1 to the outside can be maximally reduced through the coating shell; also can be through the cladding casing to heat exchanger 3 cladding, assist hot subassembly 1 and be in the heating state, when heat exchanger 3 is in the refrigerating state, can reduce and assist the heat that hot subassembly 1 upwards gived off to heat exchanger 3, reduce and assist the mutual interference of hot subassembly 1 and heat exchanger 3, the cladding casing can maximize the interference that reduces external heat.
Referring to fig. 1 to 3, the main body of the present embodiment is an air conditioner, including the heat exchange component, the air conditioner includes a first mode, the first mode includes that the heat exchanger 3 is converted from a first heating state to a first cooling state, and the auxiliary heating element 1 is in a second heating state; when the air conditioner is in the first mode, the heat insulation part 2 of the heat exchange component is configured to block the heat exchanger 3 and the auxiliary heating assembly 1 from exchanging heat. The air conditioner is provided with a first mode, a second mode is a defrosting mode, in the heating process in winter, frost can be generated outdoors, at the moment, a heat exchanger 3 of the air conditioner needs to be converted into a first refrigerating state from a first heating state, meanwhile, a communication channel between the heat exchanger 3 and the indoor is sealed, the auxiliary heating assembly 1 is adjusted to be in a second heating state, and the auxiliary heating assembly 1 is communicated with the indoor; the outdoor unit can be defrosted by adjusting the heat exchanger 3 to a first refrigeration state, and the indoor unit is heated by the auxiliary heating assembly 1, so that the temperature is kept not to be reduced; in the defrosting mode, the heat insulation part 2 is always positioned between the heat exchanger 3 and the auxiliary heating assembly 1, and the heat exchanger 3 with lower blocking temperature and the auxiliary heating assembly 1 with higher blocking temperature exchange heat, so that the energy loss is reduced.
After the defrosting mode, adjust heat exchanger 3 to first heating state by first refrigeration state, in the middle process of conversion, heat exchanger 3 can not produce at once and let the human body feel comfortable warm braw, keep assisting heat subassembly 1 to work continuously at the second heating state this moment, and adjust thermal-insulated portion 2 to second state, the thermal resistance between heat subassembly 1 and the heat exchanger 3 has been reduced this moment, heat through assisting heat subassembly 1 and giving off heats up heat exchanger 3, improve the air-out temperature of heat exchanger 3 in the conversion process, human travelling comfort has been improved.
In some embodiments of the present application, the air conditioner further includes a first air duct, one end of the first air duct is communicated with the indoor space, the other end of the first air duct is provided with a first air opening and a second air opening, and the first air opening is communicated with the heat exchanger 3 through a control valve, or the second air opening is communicated with the auxiliary heating assembly 1. The control valve is the cross valve, and in the defrosting mode, the regulation control valve intercommunication second wind gap and the intercommunication of assisting thermal subassembly 1 block first wind gap and heat exchanger 3, can guarantee to assist thermal subassembly 1 supply warm braw to indoor, prevents simultaneously that the cold wind that heat exchanger 3 produced from arriving indoor. In some embodiments, the first air duct is communicated with an inner fan, and the inner fan sends cold and hot air generated by the auxiliary heating assembly 1 or the heat exchanger 3 into the room.
The main body of the embodiment is a heat exchange method, which comprises the following steps that a heat exchanger 3 is converted from a first heating state to a first cooling state, and the outdoor unit is defrosted in the first cooling state; the auxiliary heating assembly 1 is set to be in a second heating state, and the indoor environment is heated; the heat insulating part 2 is set to be in a first state, and the heat insulating part 2 is arranged between the heat exchanger 3 and the auxiliary heating assembly 1 to block the heat exchanger 3 and the auxiliary heating assembly 1 from exchanging heat. In some embodiments of the present application, after defrosting is finished, the method further includes the following steps that the heat exchanger 3 is converted from the first refrigeration state to the first heating state, and the indoor environment is heated in the first heating state; the heat exchanger 3 and the auxiliary heating unit 1 are brought back into heat exchange with each other by keeping the auxiliary heating unit 1 in the second heating state and setting the heat insulating portion 2 in the second state.
Specifically, referring to fig. 4, the heat exchange method of the embodiment includes the following steps: s1: the heat exchanger 3 of the air conditioner is adjusted to be converted from heating to cooling, and the outdoor unit is defrosted; s2: adjusting the heat insulation plate to a first state, and insulating heat of the heat exchanger 3 and the auxiliary heating assembly 1; s3: the auxiliary heating assembly 1 is started to heat the indoor environment; s4: after defrosting is finished, the heat exchanger 3 of the air conditioner is adjusted to be changed from refrigeration to heating, the heat insulation plate is adjusted to be in a second state, and the heat conduction efficiency between the heat exchanger 3 and the auxiliary heating assembly 1 is improved; s5: and (3) adjusting the heat insulation plate to recover to the first state until the indoor temperature reaches the preset temperature, and closing the auxiliary heating assembly 1. The preset temperature can be 26 ℃ which is the proper temperature of the human body.
The defrosting method of the air conditioner comprises the steps that a compressor is shut down firstly, the refrigeration and heating modes of an indoor unit and an outdoor unit are exchanged, the indoor unit heats for defrosting, the indoor unit is correspondingly in a refrigeration state, a fan of the indoor unit does not rotate at the moment, and because a low-temperature and low-pressure refrigerant absorbs heat at a heat exchanger 3 of the indoor unit at the moment, the indoor temperature is reduced, and the comfort in a room is inevitably reduced; at the moment, the electric auxiliary heat is turned on, hot air which drives the electric auxiliary heat is rotated by an indoor unit fan to heat a room, the temperature in the room is ensured not to be reduced, because the electric auxiliary heat is directly contacted with the heat exchanger 3 to cause energy loss, before the electric auxiliary heat is turned on, a heat insulation plate is required to be arranged between the electric auxiliary heat and the heat exchanger 3, the heat insulation plate can be arranged to be foldable, when the four-way valve is communicated with the first air channel and the heat exchanger 3 in a reversing way, the heat insulation plate is folded aside, when the four-way valve is communicated with the first air channel and the electric auxiliary heat in a reversing way, the heat insulation plate is adjusted to be unfolded to insulate heat between the heat exchanger 3 and the electric auxiliary heat, at the moment, the electric auxiliary heat and the indoor unit fan are turned on, and heat generated by the electric auxiliary heat is sent into the room; after defrosting, the four-way valve is communicated with the first air duct and the heat exchanger 3 in a reversing mode, the heat insulation plate is folded aside, electric auxiliary heat is still kept to continuously run at the moment, the temperature of a room is detected to rise, the electric auxiliary heat is closed when the temperature is maintained within the temperature range of human comfort, the heat exchanger 3 heats, and the load required by the room is kept.
In the defrosting process, the indoor unit refrigerates to lead to the room temperature to drop, so increase the baffle between indoor heat exchanger 3 and electricity auxiliary heating, the defrosting operation, the baffle shelters from between heat exchanger 3 and electricity auxiliary heating, the operation is opened to electricity auxiliary heating and also opens the fan operation simultaneously, send into the room with the heat of electricity auxiliary heating production, maintain human required heat, the cold volume that produces the refrigerant is avoided sending into the room in the existence of baffle, after the defrosting is finished, the baffle resets, no longer shelter from indoor heat exchanger 3 and electricity auxiliary heating, the air that indoor heat exchanger 3 came out through the fan operation is still cool wind after the stifling frost is finished, electricity auxiliary heating lasts to be opened this moment, there is a preheating process before human contact cool wind, no longer blow cool wind, promote the air conditioner travelling comfort.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be considered merely illustrative and not restrictive of the broad application. Various modifications, improvements and adaptations to the present application may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present application and thus fall within the spirit and scope of the exemplary embodiments of the present application.
Also, this application uses specific language to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.
Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
Numerals describing the number of components, attributes, etc. are used in some embodiments, it being understood that such numerals used in the description of the embodiments are modified in some instances by the use of the modifier "about", "approximately" or "substantially". Unless otherwise indicated, "about", "approximately" or "substantially" indicates that the number allows a variation of ± 20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximations that may vary depending upon the desired properties of the individual embodiments. In some embodiments, the numerical parameter should take into account the specified significant digits and employ a general digit preserving approach. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the range are approximations, in the specific examples, such numerical values are set forth as precisely as possible within the scope of the application.
For each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, the entire contents of which are hereby incorporated by reference into this application, except for application history documents that are inconsistent with or conflict with the contents of this application, and except for documents that are currently or later become incorporated into this application as though fully set forth in the claims below. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the present disclosure.
The technical solutions provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only used to help understanding the method and the core ideas of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A heat exchange component, comprising:
a heat exchanger;
an auxiliary heating assembly;
an insulating portion having a first state disposed at least partially between the heat exchanger and the auxiliary thermal assembly, the insulating portion in the first state configured to block heat exchange between the heat exchanger and the auxiliary thermal assembly.
2. The heat exchange component of claim 1, wherein the insulating portion further has a second state in which the insulating portion has a first thermal resistance between the heat exchanger and the auxiliary thermal assembly; when the heat insulation part is in the first state, a second thermal resistance is formed between the heat exchanger and the auxiliary heating assembly, and the first thermal resistance is smaller than the second thermal resistance.
3. A heat exchange member according to claim 2, wherein the heat insulating portion comprises a heat insulating plate switchable between a first state and a second state by a driving force.
4. The heat exchange component of claim 3, further comprising a driving structure and a transmission structure, wherein the transmission structure is connected to the heat insulation board, the driving structure drives the transmission structure to move, and the transmission structure drives the heat insulation board to move, so that the heat insulation board is switched between the first state and the second state.
5. The heat exchange component of claim 3, wherein the heat shield is a folded structure, the folded structure being unfolded to form the first state and the folded structure being folded to form the second state.
6. The heat exchange component of claim 1, wherein the thermal shield further comprises a sheathing casing for sheathing a heat exchanger or a secondary thermal assembly.
7. An air conditioner comprising the heat exchange component of any one of claims 1-6, the air conditioner comprising a first mode comprising converting the heat exchanger from a first heating state to a first cooling state, and the auxiliary heating assembly being in a second heating state;
when the air conditioner is in a first mode, the heat insulation part of the heat exchange component is configured to block the heat exchanger and the auxiliary heating assembly from exchanging heat.
8. The air conditioner as claimed in claim 7, further comprising a first air duct having one end communicating with the indoor space and the other end provided with a first air opening and a second air opening, wherein the first air opening is communicated with the heat exchanger through a control valve, or the second air opening is communicated with the auxiliary heating assembly.
9. A heat exchange method is characterized by comprising the following steps,
the heat exchanger is converted from a first heating state to a first refrigerating state, and the outdoor unit is defrosted in the first refrigerating state;
setting the auxiliary heating assembly to be in a second heating state, and heating the indoor environment;
the heat insulation part is set to be in a first state, and the heat insulation part is arranged between the heat exchanger and the auxiliary heating assembly to block the heat exchanger and the auxiliary heating assembly from exchanging heat.
10. The heat exchange method according to claim 9, further comprising the step of, after defrosting is completed,
the heat exchanger is converted from a first refrigeration state to a first heating state, and the indoor environment is heated in the first heating state;
and keeping the auxiliary heating assembly in a second heating state, setting the heat insulation part in the second state, and recovering heat exchange between the heat exchanger and the auxiliary heating assembly.
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| CN202210051069.1A CN114353191A (en) | 2022-01-17 | 2022-01-17 | Heat exchange component, air conditioner and heat exchange method |
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| CN202210051069.1A CN114353191A (en) | 2022-01-17 | 2022-01-17 | Heat exchange component, air conditioner and heat exchange method |
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| JP2020125854A (en) * | 2019-02-01 | 2020-08-20 | 東芝キヤリア株式会社 | Outdoor unit for refrigeration cycle device |
| CN112254214A (en) * | 2020-10-16 | 2021-01-22 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN215001923U (en) * | 2021-06-23 | 2021-12-03 | 美的集团股份有限公司 | Air conditioner indoor unit and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106287995A (en) * | 2016-10-28 | 2017-01-04 | 合肥美的暖通设备有限公司 | A kind of air-duct-type air-conditioner and control method, air duct type air conditioning indoor machine |
| CN107388361A (en) * | 2017-07-26 | 2017-11-24 | 广东美的制冷设备有限公司 | Indoor apparatus of air conditioner, control method and air conditioner |
| JP2020125854A (en) * | 2019-02-01 | 2020-08-20 | 東芝キヤリア株式会社 | Outdoor unit for refrigeration cycle device |
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Application publication date: 20220415 |