CN115451459A - Air conditioner indoor unit, air conditioner and air conditioner control method - Google Patents

Air conditioner indoor unit, air conditioner and air conditioner control method Download PDF

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Publication number
CN115451459A
CN115451459A CN202211056923.XA CN202211056923A CN115451459A CN 115451459 A CN115451459 A CN 115451459A CN 202211056923 A CN202211056923 A CN 202211056923A CN 115451459 A CN115451459 A CN 115451459A
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CN
China
Prior art keywords
air
fresh air
duct
channel
fresh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211056923.XA
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Chinese (zh)
Inventor
张�林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Midea Group Wuhan HVAC Equipment Co Ltd
Original Assignee
GD Midea Air Conditioning Equipment Co Ltd
Midea Group Wuhan HVAC Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by GD Midea Air Conditioning Equipment Co Ltd, Midea Group Wuhan HVAC Equipment Co Ltd filed Critical GD Midea Air Conditioning Equipment Co Ltd
Priority to CN202211056923.XA priority Critical patent/CN115451459A/en
Publication of CN115451459A publication Critical patent/CN115451459A/en
Pending legal-status Critical Current

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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
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Air Conditioning (AREA)

Abstract

The application discloses an air conditioner indoor unit, an air conditioner and an air conditioner control method, belongs to the technical field of air conditioning equipment, and aims to solve the technical problem that the air outlet direction of the existing air conditioner is single. Wherein, machine in the air conditioning includes the casing, air conditioning module, new trend module and switching module, the air conditioner wind channel has been seted up to the casing, new trend wind channel, air intake and air outlet all communicate with the air conditioner wind channel, new trend wind channel is connected with the air conditioner wind channel, and new trend wind channel still has the new wind gap with the direct intercommunication of air outlet, air conditioning module sets up in the casing, new trend module and new trend wind channel intercommunication, switching module sets up in new trend wind channel, switching module can open or close the new wind gap with controlled. After the switching component seals the fresh air inlet of the fresh air duct, the fresh air entering the fresh air duct can enter the air conditioning duct to exchange heat with the air conditioning module, so that the influence of the fresh air on the indoor temperature is reduced under the condition that the temperature difference between the indoor environment and the outdoor environment is large.

Description

Air conditioner indoor unit, air conditioner and air conditioner control method
Technical Field
The application belongs to the technical field of air conditioning equipment, and particularly relates to an air conditioner indoor unit, an air conditioner and an air conditioner control method.
Background
An Air Conditioner (Air Conditioner) is a device that manually adjusts and controls parameters such as temperature, humidity, and flow rate of ambient Air in a building or structure. The air-conditioning indoor unit is provided with an air outlet, and the air outlet of the air-conditioning indoor unit can respectively generate hot air flow and hot air flow in the refrigerating and heating states of the air conditioner. The fresh air conditioner is a device integrating a fresh air machine and an air conditioner, and not only has the air conditioning function of the air conditioner, but also has the ventilation function of the fresh air machine.
In the correlation technique, when the air conditioner with new trend function inputs new trend air to indoor environment, the new trend air can cause the influence to indoor ambient temperature, leads to indoor ambient temperature fluctuation, and then leads to user experience relatively poor.
Disclosure of Invention
The air conditioner with the fresh air function at least can solve the technical problem that the existing air conditioner with the fresh air function is poor in integration performance to a certain extent. Therefore, the application provides an air conditioner indoor unit, an air conditioner and an air conditioner control method.
In a first aspect, an embodiment of the present application provides an air conditioner indoor unit, including:
a shell which is provided with an air-conditioning air duct, a fresh air duct, an air inlet and an air outlet, wherein the air inlet and the air outlet are both communicated with the air-conditioning air duct, the fresh air duct is connected with the air conditioning duct and is also provided with a fresh air port directly communicated with the air outlet;
the air conditioning module is arranged on the shell, and can suck external air from the air inlet into the air conditioning air duct for heat exchange and then discharge the air from the air outlet;
the fresh air module is communicated with the fresh air duct; and
the switching assembly is arranged in the fresh air duct and can be controlled to open or close the fresh air opening.
In the air conditioning indoor unit that this application embodiment provided, air conditioning module sets up in the casing, air conditioning module can be with the casing outer air intake and through inputing to indoor environment after the heat exchange, new trend module and the new trend wind channel intercommunication in the casing, after the fresh air inlet of new trend wind channel is sealed to the switch module, can make the new trend air that gets into in the new trend wind channel enter into and carry out the heat exchange with air conditioning module in the air conditioner wind channel, thereby make through heating or refrigerated new trend air pass through the air outlet of casing and input to indoor, in order to reduce the influence of new trend air to indoor temperature under the great condition of indoor environment and outdoor environment difference in temperature. After the switching component opens the fresh air inlet in fresh air duct, can make the fresh air module input to the fresh air duct in the fresh air duct can directly input to indoor through the air outlet of fresh air inlet and casing, can make the fresh air input to indoor environment more efficiently like this to make indoor environment's the efficiency of taking a breath higher.
In some embodiments, the switching component is controlled to enable the fresh air duct to be communicated with the air conditioning duct or the air outlet.
In some embodiments, the fresh air duct includes a first channel and a second channel, one end of the first channel is communicated with the fresh air module, the other end of the first channel can be connected with the air conditioning duct and the second channel, the second channel is further communicated with the air outlet, the switching component is disposed in the first channel, and the switching component can controllably communicate the first channel with the second channel or the air conditioning duct.
In some embodiments, the switching assembly includes a driving portion and a baffle, the baffle is movably disposed in the first channel, the driving portion is connected to the baffle, and the driving portion can drive the baffle to move, so that the baffle blocks the air conditioning duct, or the baffle blocks the second channel.
In some embodiments, a first opening is formed in a side wall of the first passage, a second opening is formed in an end portion of the first passage, the air conditioning duct may be communicated with the first opening, the second passage may be communicated with the second opening, and one end of the baffle plate is rotatably connected to the side wall of the first passage, where the first opening is formed.
In some embodiments, the first opening is located within the air conditioning duct.
In some embodiments, the air conditioning module includes two fans, two fans are disposed in the air conditioning duct and located at two sides of the first opening, and an air inlet side of each fan faces the first channel.
In some embodiments, the fresh air duct further includes a plurality of third channels, one end of each of the third channels is connected to the second channel, the other end of each of the third channels is provided with the fresh air opening, and the fresh air openings are uniformly distributed at each part of the air outlet.
In some embodiments, the fresh air module is disposed outside the housing and is fixedly connected to the housing, the fresh air module has a fresh air inlet and a fresh air outlet, the fresh air outlet is communicated with the fresh air duct, and the fresh air inlet and the fresh air outlet are disposed on two opposite side walls of the fresh air housing.
In some embodiments, the fresh air module further comprises a valve plate and a second motor, the valve plate is rotatably disposed at the fresh air inlet, and the second motor is connected to the valve plate to drive the valve plate to close the fresh air inlet or open the fresh air inlet.
In a second aspect, based on the above air conditioner indoor unit, the embodiment of the present application further provides an air conditioner, including the above air conditioner indoor unit.
In a third aspect, based on the above air conditioner, an embodiment of the present application further provides an air conditioner control method, which is applied to the above air conditioner, and the air conditioner control method includes:
acquiring the temperature difference between an indoor environment and an outdoor environment;
under the condition that the temperature difference is greater than the preset temperature, the air conditioner assembly is started, and the switching assembly closes the fresh air inlet;
and under the condition that the temperature difference is smaller than the preset temperature, the switching assembly opens the fresh air opening.
In some embodiments, the switching component further cuts off the fresh air duct and the air conditioning duct when the temperature difference is less than a preset temperature.
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 some embodiments of the present application, 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 schematic view illustrating an internal structure of an indoor unit of an air conditioner disclosed in an embodiment of the present application;
fig. 2 is a schematic view illustrating an overall structure of an indoor unit of an air conditioner disclosed in an embodiment of the present application;
fig. 3 shows a schematic structural diagram of a fresh air duct of an indoor unit of an air conditioner disclosed in an embodiment of the present application;
fig. 4 is a schematic side view of a fresh air duct of an indoor unit of an air conditioner disclosed in an embodiment of the present application;
fig. 5 is a schematic diagram illustrating an explosion structure of a fresh air module of an indoor unit of an air conditioner disclosed in an embodiment of the present application;
fig. 6 shows a flowchart of an air conditioner control method disclosed in an embodiment of the present application.
Reference numerals are as follows:
100-shell, 110-air-conditioning duct, 120-air inlet, 130-air outlet, 140-fresh air duct, 141-first channel, 141 a-first opening, 141 b-second opening, 142-second channel, 143-third channel, 144-fresh air inlet,
200-air conditioning module, 210-fan, 220-heat exchanger,
300-a fresh air module, 310-a fresh air shell, 311-a fresh air inlet, 312-a fresh air outlet, 320-a wind wheel, 330-a first motor, 340-a second motor, 350-a valve plate, 360-a filter screen,
400-switching assembly, 410-drive, 420-flap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The application is described below with reference to specific embodiments in conjunction with the following drawings:
example one
Referring to fig. 1 to 5, an embodiment of the present application discloses an air conditioning indoor unit, which includes a casing 100, an air conditioning module 200, a fresh air module 300, and a switching assembly 400.
The casing 100 is a basic component of the air conditioning indoor unit, and the casing 100 can provide an installation base for at least some other components of the air conditioning indoor unit and protect at least some other components of the air conditioning indoor unit. Specifically, the casing 100 has an inner cavity therein, and the inner cavity in the casing 100 can be used for installing at least part of other components of the air conditioning indoor unit. The air conditioner case 100 may be made of a metal material, so that the case 100 has a certain mechanical strength and the corrosion resistance of the case 100 is better, and specifically, the case 100 may be made of a stainless steel material. Of course, the housing 100 may also be constructed by combining a metal material and a plastic material.
The casing 100 is further provided with an air-conditioning duct 110, an air inlet 120 and an air outlet 130, the air inlet 120 and the air outlet 130 of the casing 100 are both communicated with the air-conditioning duct 110 of the casing 100, the air-conditioning module 200 is disposed in the casing 100, the air-conditioning module 200 specifically includes a fan 210 and a heat exchanger 220, wherein the fan 210 rotates to enable air outside the casing 100 to enter the air-conditioning duct 110 of the casing 100 through the air inlet 120 of the casing 100 and to be discharged through the air outlet 130 of the casing 100, the heat exchanger 220 is disposed in the air-conditioning duct 110 of the casing 100, the air entering the air-conditioning duct 110 of the casing 100 can contact with the heat exchanger 220 for heat exchange, so as to realize that the air is cooled or heated and then discharged through the air outlet 130 of the casing 100, and accordingly corresponds to a cooling and heating mode of an air conditioner.
It should be understood that the air conditioner also includes an air conditioner external unit, the air conditioner external unit also includes a condenser, a compressor and other components, wherein the compressor and the condenser can be both arranged in the air conditioner external unit, the compressor is a core component of the air conditioner, the compressor can compress the coolant to form high-temperature high-pressure gaseous coolant, the condenser is a cooling device of the air conditioner, the condenser is communicated with the compressor, after the compressor of the air conditioner compresses the coolant to the high-temperature high-pressure gaseous coolant, the high-temperature high-pressure coolant enters the condenser, heat dissipation is completed in the condenser to form normal-temperature high-pressure coolant, then the normal-temperature high-pressure coolant enters the heat exchanger 220 of the air conditioner indoor unit through a pipeline, the normal-temperature high-pressure coolant releases pressure in the evaporator to form normal-pressure gas, so as to reduce the temperature, and the low-temperature coolant can absorb the indoor heat, thereby achieving the purpose of reducing the indoor temperature. The heating mode of the air conditioner is similar to the principle of the cooling mode, and the description is omitted.
The casing 100 is further provided with a fresh air duct 140, one end of the fresh air duct 140 is connected with the fresh air module 300, the other end of the fresh air duct 140 is provided with a fresh air opening 144, the fresh air opening 144 is communicated with the air outlet 130 of the casing 100, the fresh air module 300 can input fresh air into the fresh air duct 140, and the fresh air is output to the indoor environment through the fresh air opening 144 and the air outlet 130 of the casing 100, so that the fresh air is supplemented to the indoor environment. The fresh air duct 140 of the casing 100 may be further communicated with the air-conditioning duct 110 of the casing 100, so that after the fresh air module 300 inputs fresh air into the fresh air duct 140, the fresh air may further enter the air-conditioning duct 110, so that the fresh air may contact with the heat exchanger 220 of the air-conditioning module 200 for heat exchange, and the fresh air is heated or cooled and then discharged from the air outlet 130 of the casing 100, so that the air quality of the air output by the air conditioner of the indoor air-conditioning unit of the present application is high.
Particularly, when outdoor temperature is higher, when the air conditioner is under the mode of refrigeration, indoor temperature is lower relatively, and the fresh air module 300 passes through back in with the higher air of outdoor temperature, when rethread fresh air wind channel 140 inputed to indoor, the temperature of this fresh air is higher, can cause the influence to indoor temperature to influence the refrigeration efficiency of air conditioner. Therefore, the fresh air can be cooled by the heat exchanger 220200 after entering the air-conditioning duct 110 through the fresh air duct 140 of the housing 100100, so that the indoor unit of the air conditioner can output the fresh air passing through the refrigeration, the indoor air quality can be improved under the condition of changing the indoor temperature, and the indoor environment temperature can more efficiently reach the preset temperature under the condition of inputting the fresh air to the indoor environment, or the fluctuation of the indoor environment temperature is reduced under the condition that the indoor environment temperature reaches the preset temperature.
The switching component 400 of the present application can be disposed in the fresh air duct 140 of the housing 100, and the switching component 400 is configured to controllably open the fresh air opening 144 of the fresh air duct 140 of the housing 100 or close the fresh air opening 144 of the fresh air duct 140 of the housing 100. After the switching component 400 closes the fresh air opening 144 of the fresh air duct 140 of the casing 100, the fresh air cannot be exhausted through the fresh air opening 144 of the fresh air duct 140 of the casing 100, and therefore, the fresh air input into the fresh air duct 140 of the casing 100 can be completely sucked into the air-conditioning duct 110 by the fan 210 of the air-conditioning module 200, so that the fresh air can exchange heat with the heat exchanger 220, and the fresh air subjected to heating or cooling is output through the air outlet 130 of the casing 100.
After the switching component 400 opens the fresh air opening 144 of the fresh air duct 140 of the casing 100, the fresh air can be output through the fresh air opening 144 of the fresh air duct 140, and because the fresh air opening 144 of the fresh air duct 140 is communicated with the air outlet 130 of the casing 100, the fresh air output from the fresh air opening 144 of the fresh air duct 140 can be directly output to the indoor environment through the air outlet 130 of the casing 100, so that the fresh air can be more efficiently input to the indoor environment. Particularly, when the indoor ambient temperature is suitable, and the temperature difference between the indoor and outdoor is small, the indoor air conditioner of the present application can only start the fresh air function to perform indoor ventilation, so the air drying module of the present application can be set to be in a closed state, and the fresh air input into the fresh air duct 140 by the fresh air module 300 can be discharged through the fresh air inlet 144 of the fresh air duct 140, and then output to the indoor space through the air outlet 130 of the casing 100.
In the air conditioning indoor unit that this application embodiment provided, air conditioning module 200 sets up in casing 100, air conditioning module 200 can inhale the casing 100 outside air and inputed to the indoor environment after the heat exchange, new trend module 300 communicates with the new trend wind channel 140 in the casing 100, after switching component 400 seals the new trend wind gap 144 in new trend wind channel 140, can make the new trend air that enters into in new trend wind channel 140 enter into air conditioning wind channel 110 in carry out the heat exchange with air conditioning module 200, thereby make through heating or refrigerated new trend air inputed to indoorly through the air outlet 130 of casing 100, reduce the influence of new trend air to indoor temperature under the condition that air conditioning module 200 started. After the switching component 400 opens the fresh air opening 144 of the fresh air duct 140, the fresh air input into the fresh air duct 140 by the fresh air module 300 can be directly input into the room through the fresh air opening 144 and the air outlet 130 of the casing 100, so that the fresh air can be input into the indoor environment more efficiently, and the ventilation efficiency of the indoor environment is higher.
In some embodiments, in order to make the efficiency of inputting fresh air into the indoor environment of the indoor air conditioner of the present application better, and further make the fresh air efficiency of the indoor air conditioner of the present application better, the switching component 400 of the present application is configured to communicate the fresh air duct 140 of the casing 100 with the air-conditioning duct 110, or to communicate the fresh air duct 140 with the fresh air opening 144. Particularly, when the air conditioning module 200 and the fresh air module 300 of this application are all in the condition of the on-state, under the condition that the switching assembly 400 communicates the fresh air duct 140 of the casing 100 with the air conditioning duct 110, the air outlet 130 of the fresh air duct 140 is in the off-state, and the fresh air in the fresh air duct 140 can only enter into the air conditioning duct 110 at this moment, so that the fresh air can exchange heat with the heat exchanger 220 of the air conditioning module 200. And when the air conditioning module 200 of this application is in the closed condition, need not to adjust under the condition to indoor ambient temperature promptly, switching module 400 can cut off the new trend wind channel 140 and the air-conditioning wind channel 110 of casing 100 for the new trend air in the new trend wind channel 140 can't get into in the air-conditioning wind channel 110, and then makes the new trend air in the new trend wind channel 140 only can export the back by the air outlet 130 of casing 100 to the indoor environment through the new trend wind gap 144 in new trend wind channel 140. By cutting off the fresh air duct 140 of the casing 100 from the air conditioning duct 110, it is possible to prevent a part of fresh air from flowing into the air conditioning duct 110, and thus the fresh air in the fresh air duct 140 can be more efficiently input into the indoor environment, so as to improve the ventilation efficiency of the indoor unit of the air conditioner of the present application.
Certainly, in other embodiments, in order to simplify the structure of the air conditioning indoor unit of the present application, under the condition that the air conditioning indoor unit of the present application only needs to output fresh air to the indoor, the switching component 400 may be configured to enable the fresh air duct 140 of the casing 100 to be communicated with both the air conditioning duct 110 and the fresh air inlet 144, so that the fresh air in the fresh air duct 140 may be output to the indoor environment through the air outlet 130 of the casing 100 after being output from the fresh air inlet 144, and the fresh air in the fresh air duct 140 may still be output to the indoor environment through the air outlet 130 of the casing 100 after being input into the air conditioning duct 110, so that the function of the switching component 400 is relatively single, and only the function of opening and closing the fresh air inlet 144 needs to be implemented, so that the structure of the switching component 400 is relatively simple, and the structure of the air conditioning indoor unit of the present application may be simplified, and the manufacturing cost may be reduced.
In some embodiments, the fresh air duct 140 of the present application is configured to include a first channel 141 and a second channel 142, one end of the first channel 141 is communicated with the air outlet end of the fresh air module 300, the other end of the first channel 141 is communicated with both the second channel 142 and the fresh air duct 140, and the fresh air opening 144 of the fresh air duct 140 is configured at one end of the second channel 142 opposite to the first channel 141, so that fresh air output by the fresh air module 300 can enter the first channel 141 first. The switching assembly 400 may be disposed in the first channel 141, and the switching assembly 400 may enable the first channel 141 to communicate with the air-conditioning duct 110, or enable the first channel 141 to communicate with the second channel 142, when the first channel 141 communicates with the air-conditioning duct 110 and the first channel 141 is disconnected from the second channel 142, the fresh air in the first channel 141 may enter the air-conditioning duct 110 to exchange heat with the heat exchanger 220 of the air-conditioning module 200. When the first channel 141 is disconnected from the air-conditioning duct 110 and the first channel 141 is communicated with the second channel 142, the fresh air in the first channel 141 can enter the second channel 142, and then directly output to the indoor environment through the fresh air opening 144 of the second channel 142 and the air outlet 130 of the housing 100.
The fresh air module 300 inputs fresh air into the first channel 141 of the fresh air duct 140, and the fresh air flow can gradually become stable in the process of flowing in the first channel 141, so that the fresh air flow input into the air-conditioning duct 110 and the second channel 142 through the first channel 141 is stable. In addition, because the first channel 141 and the second channel 142 are both located in the casing 100, and the air-conditioning duct 110 is also located in the casing 100, the connection between the first channel 141 and the air-conditioning duct 110 is located adjacent to the fan 210 of the air-conditioning module 200 by providing the first channel 141, so that fresh air in the first channel 141 can be sucked into the air-conditioning duct 110 by the fan 210 of the air-conditioning module 200 more efficiently, and the arrangement of the parts in the casing 100 of the air-conditioning indoor unit of the present application is more flexible.
In some embodiments, in order to enable the switching assembly 400 of the present application to disconnect the first channel 141 from the air-conditioning duct 110 or disconnect the first channel 141 from the second channel 142, the switching assembly 400 may be configured to include a driving portion 410 and a baffle 420, wherein the baffle 420 is movably disposed in the first channel 141, the driving portion 410 is connected to the baffle 420, and the driving portion 410 may drive the baffle 420 to move so that the baffle 420 blocks the air-conditioning duct 110 or drive the baffle 420 to move so that the baffle 420 blocks the second channel 142. Specifically, in the case that the switching assembly 400 is not disposed in the indoor unit of an air conditioner of the present application, the first channel 141, the air-conditioning duct 110 and the second channel 142 are both in a communication state, and after the switching assembly 400 is disposed in the first channel 141, and under the condition that the driving portion 410 drives the baffle 420 to block the air-conditioning duct 110, the first channel 141 and the second channel 142 are still in a communication state, so that fresh air input into the first channel 141 by the fresh air module 300 can enter the second channel 142. Under the condition that the driving portion 410 drives the baffle 420 to block the second channel 142, the first channel 141 and the air-conditioning duct 110 are still in a communication state, so that fresh air input into the first channel 141 by the fresh air module 300 can enter the air-conditioning duct 110.
The driving portion 410 drives the baffle 420 to move to block the air-conditioning duct 110 or the second duct 142, so that the switching assembly 400 of the present application has a relatively simple structure and high switching efficiency.
In some embodiments, in order to further simplify the structure of the switching assembly 400 of the present application, the driving portion 410 in the switching assembly 400 may be configured to drive the baffle 420 to rotate, so that the baffle 420 blocks the air-conditioning duct 110 or the second duct 142, and therefore, the driving portion 410 of the present application may employ a motor, and the baffle 420 may be connected to an output shaft of the motor, so as to achieve the purpose of controlling the rotation of the baffle 420.
Specifically, the sidewall of the first channel 141 may have a first opening 141a, the air conditioning duct 110 may be disposed to be capable of communicating with the first opening 141a of the sidewall of the first channel 141, the end of the first channel 141 may have a second opening 141b, the second channel 142 may be disposed to be capable of communicating with the second opening 141b of the end of the first channel 141, and the baffle 420 may have a shape and size matching the first opening 141a and the second opening 141b of the first channel 141, so that the baffle 420 may completely block the first opening 141a or the second opening 141b of the first channel 141. One end of the blocking piece is rotatably connected to the sidewall of the first passage 141 with the first opening 141a, the driving portion 410 can drive the blocking plate 420 to rotate along the first direction relative to the sidewall of the first passage 141 with the first opening 141a, so that the blocking plate 420 can rotate to block the first opening 141a of the first passage 141, and when the driving portion 410 drives the blocking plate 420 to rotate along the second direction opposite to the first direction, the blocking plate 420 can block the second opening 141b at the end of the first passage 141.
When the air conditioning indoor unit of the present application is horizontally installed indoors, the first opening 141a of the first channel 141 may be opened on a sidewall of the bottom of the first channel 141, and accordingly, the baffle 420 may be rotatably connected to the sidewall of the bottom of the first channel 141, the driving portion 410 may drive the baffle 420 to rotate toward the sidewall of the bottom of the first channel 141, so that the baffle 420 may block the first opening 141a of the first channel 141, and when the driving portion 410 drives the baffle 420 to rotate in a direction away from the sidewall of the bottom of the first channel 141, the baffle 420 may gradually stand in the first channel 141, so as to achieve a purpose of blocking the second opening 141b of the end of the first channel 141. Meanwhile, the specific location of the first opening 141a of the first channel 141 in the present application is not limited as long as the first opening 141a is opened at the sidewall of the first channel 141.
Further, it is also understood that, when the first opening 141a and the second opening 141b of the first channel 141 are opened at the side wall and the end of the first channel 141, respectively, the first opening 141a and the second opening 141b may be distributed at different sides of the first channel 141. Specifically, the end of the first channel 141 is only provided with the second opening 141b, so that the end of the first channel 141 is directly butted with the second channel 142, and therefore, the inner diameter of the fresh air duct 140 is kept consistent in the direction from the first channel 141 to the second channel 142, and the extending direction of the fresh air duct 140 is consistent, when the applied air-conditioning indoor unit only starts a fresh air function, the air pressure in the fresh air duct 140 can be kept stable in the process of flowing the fresh air in the fresh air duct 140, and the fresh air cannot turn in the flowing process, so that the flowing direction of the fresh air is kept stable, the flow rate of the air flow can be kept stable, and finally the flow of the fresh air output by the air-conditioning indoor unit can be stable.
In other embodiments, the driving portion 410 in the switching assembly 400 of the present application may further drive the baffle 420 to move, so that the baffle 420 may close the air-conditioning duct 110 or the second duct 142, specifically, in the present application, the first opening 141a and the second opening 141b of the first duct 141 may be both disposed at an end of the first duct 141 or a sidewall of the first duct 141, and the first opening 141a and the second opening 141b of the first duct 141 may be distributed along a preset direction, and the driving portion 410 may drive the baffle 420 to reciprocate along the preset direction, so that the baffle 420 may selectively close the first opening 141a or the second opening 141b, and thus, the switching assembly 400 may also achieve the purpose of controlling the opening and closing of the air-conditioning duct 110 and the second duct 142.
In some embodiments, in order to simplify the structure of the indoor unit of an air conditioner of the present application, so as to simplify the connection structure between the fresh air duct 140 and the air-conditioning duct 110 in the casing 100, the fresh air duct 140 in the casing 100 may be disposed in the air-conditioning duct 110, and thus, after the first opening 141a is formed in the first channel 141 of the fresh air duct 140, the first channel 141 and the air-conditioning duct 110 may be naturally communicated. Specifically, in the present application, the air-conditioning duct 110 may be configured as a cavity structure in the casing 100, so that the air-conditioning duct 110 has a larger space, and the flow rate of the air outside the casing 100 entering the air-conditioning duct 110 may be larger, so that the heating and cooling effects of the indoor unit of the air conditioner of the present application are better. The fresh air duct can be arranged in the casing 100, the fresh air duct 140 is located in the fresh air duct, the fresh air duct is arranged in the air-conditioning air duct 110 of the casing 100, the first opening 141a is formed in the wall of the fresh air duct, and fresh air input into the fresh air duct 140 can be directly located in the air-conditioning air duct 110 after being discharged through the first opening 141a of the first channel 141, so that the fresh air can be in contact heat exchange with the heat exchanger 220 of the air-conditioning module 200 more efficiently.
In some embodiments, it should be understood that the heat exchanger 220 of the air conditioning module 200 of the present application may be disposed within the air conditioning duct 110 and may be disposed laterally within the air conditioning duct 110, such that each portion of air passing through the air conditioning duct 110 may be in sufficient contact with the heat exchanger 220 for heat exchange. It should also be understood that after the fresh air is input into the air-conditioning duct 110 through the first opening 141a of the first channel 141, the amount of the fresh air in the portion of the air-conditioning duct 110 adjacent to the first opening 141a of the first channel 141 may be larger than that in other regions of the air-conditioning duct 110, so that when the fresh air is input into the air-conditioning duct 110 through the first opening 141a of the first channel 141, the first opening 141a of the first channel 141 of the present application may be disposed in the middle of the air-conditioning duct 110, the fresh air output through the first opening 141a of the first channel 141 may be first located in the middle of the air-conditioning duct 110, and then the fresh air may be diffused into each portion of the air-conditioning duct 110, so that the fresh air may be fully contacted with the heat exchanger 220 of the air-conditioning module 200, and the fresh air cannot be fully heated or cooled.
In some embodiments, in order to enable the fresh air in the fresh air duct 140 of the present application to enter the air-conditioning duct 110 more efficiently, the air-conditioning module 200 of the present application may be configured to include two fans 210, where the two fans 210 may suck the air outside the casing 100 into the air-conditioning duct 110 through the air inlet 120 of the casing 100, and may also suck the fresh air in the first channel 141 into the air-conditioning duct 110 through the first opening 141a, and the two fans 210 may increase the flow rate of the air entering the air-conditioning duct 110 through the air inlet 120 of the casing 100, and enable the fresh air in the first channel 141 to enter the air-conditioning duct 110 more efficiently.
The two fans 210 may be disposed on two sides of the first opening 141a of the first channel 141, and therefore, the two fans 210 may respectively suck in fresh air output through the first opening 141a of the first channel 141, so that the fresh air may be distributed in each portion of the air-conditioning duct 110, and air amounts of each portion in the air-conditioning duct 110 are relatively consistent, so that air in the air-conditioning duct 110 may fully contact with the heat exchanger 220 for heat exchange, and finally, temperature uniformity of air output by the air-conditioning indoor unit of the present application is better.
In some embodiments, the air inlet sides of the two fans 210 of the air conditioning module 200 can be disposed toward the first channel 141, so that the two fans 210 can more efficiently suck the fresh air output from the first channel 141, and therefore, the first opening 141a of the first channel 141 can be disposed at the bottom or the top of the first channel 141, so that the distance between the first opening 141a of the first channel 141 and the air inlet sides of the two fans 210 can be kept consistent, and further, the fresh air output from the first channel 141 can be uniformly distributed in the air conditioning duct 110.
Of course, it should be understood that the number of the fans 210 of the air conditioning module 200 may also be more than two, and the larger the number of the fans 210 is, the better the effect of the fans 210 sucking the air outside the casing 100 and the fresh air in the first channel 141 into the air conditioning duct 110 is correspondingly.
In some embodiments, the fresh air opening 144 of the fresh air duct 140 in the present application may be provided in a plurality, and the plurality of fresh air openings 144 are all communicated with the air outlet 130, so that the fresh air in the fresh air duct 140 can be more efficiently output to the indoor environment. Specifically, the end of the second channel 142 of the fresh air duct 140 may be provided with a plurality of branch pipes, and each branch pipe is provided with a fresh air opening 144, so as to achieve the purpose that the fresh air duct 140 has a plurality of fresh air openings 144.
Particularly, the fresh air duct 140 of the present application may further include a plurality of third channels 143, one ends of the plurality of third channels 143 are connected to the second channel 142, and the other ends of the plurality of third channels 143 are provided with fresh air openings 144.
In addition, a plurality of fresh air inlets 144 of the fresh air duct 140 can be uniformly distributed at each part of the air outlet 130 of the casing 100, and therefore fresh air output through the fresh air inlets 144 of the fresh air duct 140 can be uniformly discharged out of the air outlet 130 of the casing 100, so that the fresh air can be more efficiently diffused in the indoor environment after being output to the indoor environment, and the air exchange efficiency of the indoor unit of the air conditioner is higher.
In some embodiments, in order to facilitate installation of the fresh air module 300 of the present application, the fresh air module 300 may be disposed to be connected to the housing 100, and the fresh air module 300 may be disposed outside the housing 100. Specifically, the fresh air module 300 can be detachably connected with the outside of the casing 100, and thus the fresh air module 300 and the casing 100 can be separately prepared and then fixed, so that the preparation process of the air-conditioning indoor unit is simplified.
Of course, in other embodiments, the fresh air module 300 may also be disposed in the casing 100, so that the overall structure of the indoor unit of the air conditioner of the present application is relatively more compact and the integration level is higher, and meanwhile, it is not necessary to separately fixedly mount the fresh air module 300 in the indoor environment, and after the casing 100 is fixedly mounted in the indoor environment, the fresh air module 300 is also correspondingly fixedly mounted in the indoor environment.
In order to enable the fresh air module 300 of the present application to input fresh air into the fresh air duct 140 of the housing 100, the fresh air module 300 may be configured to include a fresh air shell 310, a wind wheel 320 and a first motor 330, wherein the fresh air shell 310 is provided with a fresh air inlet 311 and a fresh air outlet 312, the fresh air inlet 311 of the fresh air shell 310 may be communicated with an outdoor environment through a pipeline, and the fresh air outlet 312 of the fresh air shell 310 may be configured to be communicated with the fresh air duct 140 of the housing 100. Still be provided with the inner chamber in the new trend shell 310, this inner chamber all communicates with new trend export 312 and new trend import 311, and wind wheel 320 sets up in the inner chamber of new trend shell 310, and first motor 330 is connected with wind wheel 320, and first motor 330 can drive wind wheel 320 and rotate, and then makes the fresh air accessible new trend import 311 of new trend shell 310 in being inhaled to new trend shell 310 in the outdoor environment to export to the new trend wind channel 140 of casing 100 in through the new trend export 312 of new trend shell 310.
In some embodiments, the centrifugal wind wheel 320 may be used as the wind wheel 320 in the fresh air module 300 of the present application, so that the wind generated by the wind wheel 320 after rotating is larger, and further, the fresh air in the outdoor environment can be more efficiently input into the fresh air duct 140 of the housing 100. The new trend import 311 and the new trend export 312 of new trend shell 310 can set up in the both sides wall of the back of the body of new trend shell 310, the new trend export 312 of new trend shell 310 can set up on the lateral wall that new trend shell 310 and casing 100 are connected like this, it is corresponding, the new trend import 311 of new trend shell 310 can set up on the lateral wall that casing 100 was kept away from to new trend shell 310, the pipeline of the new trend import 311 butt joint with new trend shell 310 can pass the wall under the circumstances of not crooked the buckling and stretch out to outdoor environment like this, thereby make the pipeline of the new trend import 311 butt joint with new trend shell 310 unobstructed.
In some embodiments, in order to prevent the air in the indoor environment from flowing backward into the fresh air module 300, the fresh air module 300 of the present application may further include a valve plate 350, wherein the valve plate 350 is movably disposed at the fresh air inlet 311 of the fresh air housing 310, and the valve plate 350 is movable to close the fresh air inlet 311 of the fresh air housing 310, so that the airflow in the indoor environment cannot flow backward into the outdoor environment through the fresh air module 300.
Particularly, the new trend module 300 of this application still can set up second motor 340, second motor 340 can be connected with valve plate 350, so that valve plate 350 rotates, first motor 330 when new trend module 300 closes, need not to input new trend air to the indoor environment when, second motor 340 can drive valve plate 350 and rotate to the shutoff of new trend import 311 with new trend shell 310, first motor 330 when new trend module 300 opens, in order to input new trend air to the indoor environment in, second motor 340 can drive and rotate to the new trend import 311 that makes new trend shell 310 and opened.
In addition, still can set up the filter screen in the new trend shell 310 of this application for the air of the outdoor environment that new trend module 300 inhaled can input again to the indoor environment after filtering in, with the air quality of further promotion indoor environment.
Example two
Based on machine in the air conditioning above, this application embodiment has still provided an air conditioner, and this air conditioner includes the machine in the air conditioning of above.
EXAMPLE III
Referring to fig. 6, based on the above air conditioner, the embodiment of the present application further provides an air conditioner control method, which may be applied to the above air conditioner.
Specifically, the air conditioner control method comprises the following steps:
the temperature difference between the indoor environment and the outdoor environment can be obtained firstly, and then the temperature difference between the indoor environment and the outdoor environment is compared, so as to obtain the temperature difference between the indoor environment and the outdoor environment, and under the condition that the temperature difference between the indoor environment and the outdoor environment is greater than the preset temperature, the switching component 400 can close the fresh air opening 144 of the fresh air duct 140, so that the fresh air input into the fresh air duct 140 by the fresh air module 300 is not discharged by the fresh air opening 144 of the fresh air duct 140 any more, but enters the air-conditioning duct 110 to contact with the heat exchanger 220 of the air-conditioning module 200 for heat exchange, so that the fresh air can be heated or cooled, and the temperature of the indoor environment is relatively stable when the fresh air is input into the indoor environment.
When the temperature difference between the indoor environment temperature and the outdoor environment temperature is smaller than the preset temperature, the switching assembly 400 can open the fresh air opening 144 of the fresh air duct 140, so that fresh air in the fresh air duct 140 can be directly output to the indoor environment through the fresh air opening 144 of the fresh air duct 140, the temperature of the fresh air to the indoor environment is lower, and the purpose of efficiently ventilating the indoor environment can be achieved.
In addition, in order to further finely control the air conditioner, the switching component 400 can also switch the fresh air duct 140 and the air conditioner duct 110 under the condition that the temperature difference between the indoor environment and the outdoor environment is smaller than the preset temperature difference, so that the fresh air entering the fresh air duct 140 is output to the indoor environment through the fresh air opening 144 of the fresh air duct 140, and the air exchange efficiency of the indoor environment is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Claims (13)

1. An indoor unit of an air conditioner, comprising:
the air conditioner comprises a shell (100) which is provided with an air conditioner air duct (110), a fresh air duct (140), an air inlet (120) and an air outlet (130), wherein the air inlet (120) and the air outlet (130) are communicated with the air conditioner air duct (110), the fresh air duct (140) is connected with the air conditioner air duct (110), and the fresh air duct (140) is also provided with a fresh air inlet (144) directly communicated with the air outlet (130);
the air conditioning module (200) is arranged on the shell (100), and the air conditioning module (200) can suck external air from the air inlet (120) into the air conditioning air duct (110) for heat exchange and then discharge the air from the air outlet (130);
the fresh air module (300) is communicated with the fresh air duct (140); and
the switching component (400) is arranged on the fresh air duct (140), and the switching component (400) can open or close the fresh air opening (144) in a controlled manner.
2. The indoor unit of claim 1, wherein the switching unit (400) is controlled to connect the fresh air duct (140) to the air-conditioning duct (110) or the air outlet (130).
3. The indoor unit of claim 2, wherein the fresh air duct (140) comprises a first channel (141) and a second channel (142), one end of the first channel (141) is communicated with the fresh air module (300), the other end of the first channel (141) is connectable with the air conditioning duct (110) and the second channel (142), the second channel (142) is further communicated with the air outlet (130), the switching component (400) is disposed on the first channel (141), and the switching component (400) is controlled to communicate the first channel (141) with the second channel (142) or the air conditioning duct (110).
4. An indoor unit of an air conditioner according to claim 3, wherein the switching unit (400) comprises a driving unit (410) and a blocking plate (420), the blocking plate (420) is movably disposed in the first path (141), the driving unit (410) is connected to the blocking plate (420), and the driving unit (410) can drive the blocking plate (420) to move, so that the blocking plate (420) blocks the air-conditioning duct (110) or the blocking plate (420) blocks the second path (142).
5. The indoor unit of claim 4, wherein a first opening (141 a) is formed in a sidewall of the first duct (141), a second opening (141 b) is formed in an end of the first duct (141), the air conditioning duct (110) is capable of communicating with the first opening (141 a), the second duct (142) is capable of communicating with the second opening (141 b), and one end of the baffle (420) is rotatably connected to the sidewall of the first duct (141) where the first opening (141 a) is formed.
6. An air conditioning indoor unit according to claim 5, wherein the first opening (141 a) is located in the air conditioning duct (110).
7. The indoor unit of claim 5 or 6, wherein the air conditioning module (200) comprises two fans (210), the two fans (210) are disposed on the air conditioning duct (110) and located at two sides of the first opening (141 a), and an air inlet side of the fan (210) faces the first channel (141).
8. The indoor unit of claim 5, wherein the fresh air duct (140) further comprises a plurality of third channels (143), one end of each of the third channels (143) is connected to the second channel (142), the other end of each of the third channels (143) is provided with the fresh air opening (144), and the fresh air openings (144) are uniformly distributed in each portion of the air outlet (130).
9. The indoor unit of claim 1, wherein the fresh air module (300) is disposed outside the casing (100) and fixedly connected to the casing (100), the fresh air module (300) is provided with a fresh air inlet (311) and a fresh air outlet (312), the fresh air outlet (312) is communicated with the fresh air duct (140), and the fresh air inlet (311) and the fresh air outlet (312) are disposed on two opposite sidewalls of the fresh air module (300).
10. The indoor unit of claim 9, wherein the fresh air module (300) further comprises a valve plate (350) and a second motor (340), the valve plate (350) is rotatably disposed at the fresh air inlet (311), and the second motor (340) is connected to the valve plate (350) to drive the valve plate (350) to close the fresh air inlet (311) or open the fresh air inlet (311).
11. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 10.
12. An air conditioning control method applied to the air conditioner according to claim 11, characterized by comprising:
acquiring the temperature difference between the indoor environment and the outdoor environment;
when the temperature difference is larger than a preset temperature, the air conditioning module (200) is started, and the switching component (400) closes the fresh air opening (144);
the switching assembly (400) opens the fresh air opening (144) if the temperature difference is less than a preset temperature.
13. The air conditioning control method according to claim 12, wherein the switching component (400) further cuts off the fresh air duct (140) from the air conditioning duct (110) in case the temperature difference is less than a preset temperature.
CN202211056923.XA 2022-08-31 2022-08-31 Air conditioner indoor unit, air conditioner and air conditioner control method Pending CN115451459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211056923.XA CN115451459A (en) 2022-08-31 2022-08-31 Air conditioner indoor unit, air conditioner and air conditioner control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211056923.XA CN115451459A (en) 2022-08-31 2022-08-31 Air conditioner indoor unit, air conditioner and air conditioner control method

Publications (1)

Publication Number Publication Date
CN115451459A true CN115451459A (en) 2022-12-09

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Country Link
CN (1) CN115451459A (en)

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