Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention aims to provide an air conditioner indoor unit which can supplement fresh air with large air quantity for the indoor space and can also realize circulation of indoor air.
The invention also provides an air conditioner with the air conditioner indoor unit.
The indoor unit of the air conditioner comprises a shell, a fresh air guide plate, a driving device and a controller, wherein an air return opening, a fresh air opening and an air outlet are formed in the shell, the air return opening, the fresh air opening and the air outlet are communicated with the air flow channel, the fresh air opening is formed in the bottom of the shell and is arranged adjacent to the window, the fan assembly is arranged in the air flow channel and is used for driving air to flow from the fresh air opening and/or the fresh air opening to the air outlet, the fresh air guide plate is arranged at the position of the fresh air opening and is used for opening and closing the fresh air opening, the driving device is connected with the fresh air guide plate and is used for adjusting the opening of the fresh air guide plate, and the controller is in communication connection with the driving device and is used for controlling the opening of the fresh air guide plate according to the indoor carbon dioxide concentration.
According to the air conditioner indoor unit, the fresh air inlet, the return air inlet and the air outlet are integrally formed on the shell, the fresh air inlet, the air flow channel and the air outlet are formed into the fresh air inlet channel, and the return air inlet, the air flow channel and the air outlet are formed into the indoor return air channel, so that the air conditioner indoor unit can not only supplement fresh air indoors but also realize indoor air circulation, and meanwhile, the air conditioner indoor unit achieves the purpose of changing fresh air by utilizing the indoor existing environment mode and by means of indoor scenes, and a traditional through-pipe air inducing mode is abandoned, on one hand, wall holes and pipeline air inducing are not needed, the installation mode is simple, on the other hand, large fresh air volume can be achieved, and the air conditioner indoor unit is not limited by pipe diameters.
According to some embodiments of the invention, the fresh air guide plate comprises a plurality of fresh air louvers, the fresh air louvers are rotatably arranged at the fresh air port, and the fresh air louvers extend along the length direction of the shell and are arranged at intervals in the front-rear direction.
According to some embodiments of the invention, the fresh air guide plate comprises a plurality of fresh air louvers which are rotatably arranged at the fresh air port, extend in the front-rear direction and are arranged at intervals in the length direction of the shell.
In some embodiments, the fresh air guide plate further comprises a fresh air connecting rod rotatably connected with the fresh air louvers to drive the fresh air louvers to rotate synchronously.
According to some embodiments of the invention, the opening of the fresh air guide plate is maximum when the indoor carbon dioxide concentration is greater than the upper concentration threshold, the fresh air guide plate closes the fresh air port when the indoor carbon dioxide concentration is less than the lower concentration threshold, and the fresh air guide plate opens a predetermined opening when the indoor carbon dioxide concentration is between the upper concentration threshold and the lower concentration threshold.
According to some embodiments of the present invention, the rear portion of the bottom wall of the housing is formed to protrude downward as a protruding portion, and the fresh air port is formed on the protruding portion and penetrates through the protruding portion in a thickness direction, wherein an upwardly recessed escape port is formed between a front side surface of the protruding portion and a front panel of the housing in a matching manner, the escape port penetrates through the housing in a length direction of the housing, and the escape port is adapted to cooperate with a curtain of the window to space the fresh air port located outside the curtain from an indoor space located inside the curtain.
In some embodiments of the invention, a fresh air filter is arranged on the inner side of the fresh air port, and the fresh air filter covers the fresh air port in the flow direction of the air flow.
In some embodiments, the return air inlet is formed in a front side of the housing, and the air outlet is located above the return air inlet.
According to some embodiments of the invention, the air conditioner indoor unit further comprises a heat exchanger, wherein the heat exchanger is arranged in the airflow channel, the heat exchanger comprises a first heat exchange part and a second heat exchange part, the first heat exchange part is arranged between the fresh air port and the air outlet, the second heat exchange part is arranged between the air return port and the air outlet, and water receiving discs are arranged below the first heat exchange part and below the second heat exchange part.
An air conditioner according to a second aspect of the present invention includes the air conditioner indoor unit according to the first aspect of the present invention.
According to the air conditioner provided by the invention, through the arrangement of the air conditioner indoor unit in the first aspect, on one hand, wall holes can be omitted, and on the other hand, the proportion adjustment and distribution of fresh air or return air can be realized through the double return air inlet structure of the air conditioner.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
An air conditioning indoor unit 100 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1, according to the air conditioning indoor unit 100 of the first aspect of the present invention, the air conditioning indoor unit 100 is disposed on an upper side of a wall window, the window is provided with an openable window 200, and the air conditioning indoor unit 100 includes a casing 1, a fan assembly 2, a fresh air guide 17, a driving device (not shown), and a controller (not shown).
Specifically, an airflow channel 11 is formed in the casing 1, and an air return opening 14, a fresh air opening 13 and an air outlet 15 are formed in the casing 1, wherein the fresh air opening 13 is formed at the bottom of the casing 1, the fresh air opening 13 is arranged adjacent to the window 200, and the air return opening 14, the fresh air opening 13 and the air outlet 15 are all communicated with the airflow channel 11.
The fan assembly 2 is arranged in the airflow channel 11, the fan assembly 2 can be used for driving airflow to flow from the fresh air inlet 13 and/or the return air inlet 14 to the air outlet 15, that is, the fan assembly 2 can be used for driving outdoor airflow to flow from the fresh air inlet 13 to the air outlet 15, the fan assembly 2 can also be used for driving indoor airflow to flow from the return air inlet 14 to the air outlet 15, and the fan assembly 2 can also be used for driving indoor air to flow from the return air inlet 14 to the air outlet 15 while driving outdoor air to flow from the fresh air inlet 13 to the air outlet 15.
The fresh air guide plate 17 can be arranged at the position of the fresh air opening 13, the fresh air guide plate 17 can be used for opening and closing the fresh air opening 13, the driving device is connected with the fresh air guide plate 17, the driving device can be used for adjusting the opening degree of the fresh air guide plate 17 for opening the fresh air opening, the controller can be in communication connection with the driving device, and the controller can control the opening degree of the fresh air guide plate 17 according to the indoor carbon dioxide concentration.
For example, when the indoor carbon dioxide concentration is low, a user opens the window 200 and closes the curtain, the closed curtain plays a role in isolating indoor and outdoor environments, the controller can control the fresh air guide plate 17 to be opened, at the moment, the fan assembly 2 can directly introduce outdoor fresh air into the room from the fresh air inlet 13, and meanwhile, the air return opening 14 directly enters indoor circulating air, so that the air device can play a role in changing fresh air in a conventional refrigeration or heating mode, when the indoor carbon dioxide concentration is in a normal state, the user can close the window 200, and meanwhile, the controller can control the fresh air guide plate 17 to be closed, and at the moment, the fan assembly 2 only drives indoor air flow to flow from the air return opening 14 to the air outlet 15, so that circulation of indoor air is realized.
Therefore, the air conditioner indoor unit 100 of the embodiment achieves the purpose of fresh air exchange by utilizing the indoor existing environment form and by means of indoor scenes, abandons the traditional through-pipe air induction mode, is free of wall holes and pipelines for induced air on one hand, is simple in installation form, can achieve large fresh air quantity on the other hand, and is not limited by pipe diameters.
According to the air conditioner indoor unit 100, the fresh air port 13, the return air port 14 and the air outlet 15 are integrally arranged on the shell 1, the fresh air port 13, the air flow channel 11 and the air outlet 15 are formed into the fresh air inlet channel, and the return air port 14, the air flow channel 11 and the air outlet 15 are formed into the indoor return air channel, so that the air conditioner indoor unit 100 can not only supplement fresh air indoors but also realize indoor air circulation, and meanwhile, the air conditioner indoor unit 100 can realize the purpose of changing fresh air by utilizing the indoor existing environment mode and by means of indoor scenes, abandons the traditional through-pipe induced air mode, does not need wall holes and pipelines for induced air on one hand, has simple installation mode, can realize large and fresh air volume on the other hand, and is not constrained by pipe diameters.
Further, the indoor unit 100 may include a carbon dioxide sensor (not shown), and the controller may be connected to the carbon dioxide sensor, and the carbon dioxide sensor may be configured to monitor the concentration of carbon dioxide in the room, and feed back the monitored concentration to the controller, and the controller automatically determines whether the fresh air guide 17 needs to be opened.
According to some embodiments of the present invention, referring to fig. 1 to 3, an escape opening 16 is formed on an outer surface of a bottom of a case 1, the escape opening 16 is recessed upward, the escape opening 16 penetrates the case 1 in a length direction of the case 1, a fresh air opening 13 is formed at a rear side of the escape opening 16, and the escape opening 16 is adapted to cooperate with a window curtain of a window to space the fresh air opening 13 located at an outer side of the window curtain from an indoor space located at an inner side of the window curtain.
Thus, the width of the bottom of the housing 1 in the front-rear direction (front-rear direction as shown in fig. 1) is just smaller than the width of the gap between the curtain rail and the wall, when the window 200 is in an open state, the fresh air port 13 can just extend into the long and narrow passage formed between the curtain and the wall when the curtain is opened and the window 200 is completely covered, at this time, the space between the opened curtain and the window is formed into a fresh air zone due to communication with the outdoor space, the indoor space inside the curtain is formed into an indoor environment zone, and the opened curtain can play a role of isolating the indoor environment from the indoor environment zone, thereby the fresh air port 13 can directly introduce fresh air from the fresh air zone to the indoor environment zone, and at the same time, the indoor and outdoor temperature isolation can be realized through the curtain.
According to some embodiments of the present invention, referring to fig. 1 to 3, a rear side portion of a bottom wall of the case 1 is downwardly protruded to form a boss 12, a fresh air port 13 is formed on the boss 12, the fresh air port 13 penetrates the boss 12 in a thickness direction (up-down direction shown in fig. 1), for example, as shown in fig. 1, a front side edge of the boss 12 may be formed as a rear side edge of the escape port 16. Thus, the inner wall of the boss 12 may be formed as a part of the airflow passage 11, thereby guiding the airflow coming in from the window 200 into the airflow passage 11. In addition, when the window curtain is closed and the window 200 is completely covered, the boss 12 provided with the fresh air port 13 just can extend into the long and narrow passage formed between the window curtain and the wall, at this time, the space between the opened window curtain and the window is formed into a fresh air zone due to the communication with the outdoor space, the indoor space within the window curtain is formed into an indoor environment zone, and the opened window curtain can play a role of isolating the indoor and outdoor environments, so that the fresh air port 13 can directly introduce fresh air from the fresh air zone into the indoor environment zone, and meanwhile, the indoor and outdoor temperature isolation can be realized through the window curtain.
Of course, the invention is not limited thereto, and the bottom wall of the casing 1 may be formed as a flat bottom wall, and the fresh air port 13 may be directly formed on the flat bottom wall.
According to some embodiments of the present invention, a fresh air filter (not shown) is provided at the inner side of the fresh air port 13, and covers the fresh air port 13 in the flow direction of the air flow, whereby the fresh air filter can filter dust or other impurities in the outdoor fresh air.
In some embodiments of the present invention, the return air inlet 14 includes a plurality of return air holes (not shown) spaced apart in the longitudinal and width directions of the casing 1 at the front side of the casing 1, the air outlet 15 is formed at the front side of the casing 1, and the air outlet 15 may be located above the return air inlet 14, or the air outlet 15 may be formed at the top of the casing 1, thereby optimizing the layout of the air flow channels 11 and simplifying the internal configuration of the indoor unit 100.
Further, the cross-sectional area of the return air hole at the lower portion of the front side of the housing 1 is larger than the cross-sectional area of the return air hole at the upper portion of the front side of the housing 1. In other words, among the plurality of return air holes provided at the return air inlet 14, the cross-sectional area of the return air hole on the lower side is larger than that of the return air hole on the upper side, so that the air flow at the return air hole adjacent to the air outlet 15 and the air flow at the air outlet 15 can be prevented from interfering with each other as much as possible.
Further, the cross-sectional areas of the plurality of return air holes gradually decrease in the downward-upward direction, so that on the one hand, the structure is simple, and on the other hand, the air flow of the return air holes adjacent to the air outlet 15 and the air flow of the air outlet 15 can be prevented from interfering with each other.
In some embodiments, the ratio between the air inlet area of the fresh air inlet 13 and the air return area of the air return opening 14 is in the range of 1/4 to 3/4, so that the proportion of the fresh air or the return air is adjusted and distributed through the double air return openings (namely the fresh air inlet 13 and the air return opening 14) of the air conditioning indoor unit 100, preferably, the ratio between the air inlet area of the fresh air inlet 13 and the air return opening 14 is 1:2, so that the influence of the fresh air on the conventional functions of the air conditioning indoor unit 100 can be weakened as much as possible.
In some embodiments of the present invention, referring to fig. 1 to 3, the air conditioning indoor unit 100 may further include a heat exchanger 3. Specifically, the heat exchanger 3 is disposed in the airflow channel 11, the heat exchanger 3 includes a first heat exchange portion 31 and a second heat exchange portion 32, the first heat exchange portion 31 is disposed between the fresh air port 13 and the air outlet 15, the second heat exchange portion 32 is disposed between the return air port 14 and the air outlet 15, in addition, a water receiving tray is disposed below the first heat exchange portion 31 and the second heat exchange portion 32, the water receiving tray can collect condensation generated at the first heat exchange portion 31 and the second heat exchange portion 32, the condensation is prevented from converging into water flow in the housing 1, meanwhile, the first heat exchange portion 31 can exchange heat with air entering the room from the fresh air port 13, the second heat exchange portion 32 can exchange heat with air circulating in the room, and meanwhile, the structure of the air conditioner indoor unit 100 can be simplified.
According to some embodiments of the present invention, referring to fig. 1 to 3, the air conditioner indoor unit 100 may further include an air guide plate 4. Specifically, the air deflector 4 is disposed at the air outlet 15, and the air deflector 4 can be used for opening and closing the air outlet 15, and at the same time, the air deflector 4 can adjust the air outlet angle of the air outlet 15.
Further, referring to fig. 1 to 3, the air conditioner indoor unit 100 may further include a louver 5. The air sweeping louver 5 is arranged at the air outlet 15 and positioned at the inner side of the air deflector 4, so that the air sweeping louver 5 can adjust the air outlet angle of the air conditioner indoor unit 100.
According to some embodiments of the present invention, referring to FIGS. 1-3, the fresh air guide 17 may include a plurality of fresh air louvers 171. Specifically, the plurality of fresh air louvers 171 are rotatably disposed at the fresh air port, and the plurality of fresh air louvers 171 may extend along the longitudinal direction of the housing, with the plurality of fresh air louvers 171 being disposed at intervals in the front-rear direction. Thus, the on-off of fresh air entering the fresh air inlet 13, the angle of fresh air entering and the fresh air volume entering can be controlled by controlling the rotation angles of the fresh air louvers 171.
Further, the fresh air guide 17 may further include a fresh air link (not shown). Specifically, the fresh air link is rotatably connected to the plurality of fresh air louvers 171, so that the fresh air louvers 171 can drive the plurality of fresh air louvers 171 to rotate synchronously.
According to some embodiments of the present invention, the opening degree of the fresh air guide 17 is maximized when the concentration M of carbon dioxide in the room is greater than the upper concentration threshold M0, the fresh air guide 17 closes the fresh air inlet when the concentration M of carbon dioxide in the room is less than the lower concentration threshold M1, and the fresh air guide 17 opens a predetermined opening degree when the concentration M of carbon dioxide in the room is between the upper concentration threshold M0 and the lower concentration threshold M1.
That is, an upper concentration threshold value M0 and a lower concentration threshold value M1 may be preset for the controller of the indoor unit of the air conditioner, when the indoor carbon dioxide concentration M is higher than the upper concentration threshold value M0, the controller controls the opening angle of the fresh air guide plate 17 to be at a maximum state, so that the indoor unit 100 can quickly and efficiently feed fresh air, when the indoor carbon dioxide concentration M is lower than the lower concentration threshold value M1, the controller controls the fresh air guide plate 17 to be closed, and at this time, the indoor unit 100 only performs circulation and temperature adjustment of indoor air, and when the indoor carbon dioxide concentration M is between the upper concentration threshold value M0 and the lower concentration threshold value M1, the controller may control the fresh air guide plate 17 to be opened by a certain angle, so as to realize proportion adjustment and distribution of fresh air and return air.
An air conditioner according to a second aspect of the present invention is described below.
The air conditioner according to the second aspect of the present invention includes the air conditioning indoor unit 100 according to the first aspect of the present invention.
According to the air conditioner of the present invention, by providing the air conditioner indoor unit 100 according to the first aspect, on one hand, wall holes can be omitted, and on the other hand, the proportion adjustment and distribution of fresh air or return air can be realized through the double return air inlets (i.e. the fresh air inlet 13 and the return air inlet 14) of the air conditioner.
A specific embodiment of an air conditioner according to a second aspect of the present invention will be described below with reference to fig. 1 to 4.
An air conditioner according to a second aspect of the present invention includes an air conditioning indoor unit 100 according to the first aspect of the present invention, the air conditioning indoor unit 100 including a housing 1, a fan assembly 2, a heat exchanger 3, a fresh air guide 17, a driving device, and a controller.
An airflow channel 11 is formed in a shell 1, an air return opening 14, a fresh air opening 13 and an air outlet 15 which are communicated with the airflow channel 11 are formed on the shell 1, the air return opening 14 is formed on the front side of the shell 1, a fresh air opening 13 is formed at the bottom of the shell 1 and is adjacently arranged with a window, a fresh air guide plate 17 can be arranged at the position of the fresh air opening 13, a driving device is connected with the fresh air guide plate 17 and used for adjusting the opening degree of the fresh air guide plate 17 to open the fresh air opening 13, a controller is in communication connection with the driving device and can control the opening degree of the fresh air guide plate 17 according to the indoor carbon dioxide concentration M, an upwards concave avoiding opening 16 is formed at the outer side of the bottom of the shell 1, the avoiding opening 16 penetrates through the shell 1 along the length direction of the shell 1, the fresh air opening 13 is formed at the rear side of the avoiding opening 16, the rear side part of the bottom wall of the shell 1 protrudes downwards to form a protruding part 12, the fresh air opening 13 is formed on the protruding part 12 and penetrates through the protruding part 12 in the thickness direction, a fresh air filter piece is arranged at the inner side of the fresh air opening 13 and covers the opening 13 in the flowing direction of the air, a heat exchanger 3 is arranged in the airflow channel 11, the heat exchanger 3 comprises a first heat exchange part 31 and a second heat exchange part 32 and a fresh air outlet 14 are arranged between the first heat exchange part and the fresh air outlet 15.
The air conditioner operates in the principle that the air conditioner indoor unit 100 is provided at the upper side of a wall window provided with an openable window 200. The air conditioner indoor unit 100 adopts an upper air outlet mode, and the fresh air port 13 can be matched with an indoor curtain to effectively isolate an indoor environment. When the indoor carbon dioxide concentration M is higher than the upper concentration threshold M0, the controller opens the fresh air guide plate 17, a user opens the window 200, the closed curtain plays a role in isolating indoor and outdoor environments, the fresh air port 13 directly introduces fresh air from the outdoor, meanwhile, the fresh air port 13 is provided with a filter screen part and can filter the externally-introduced fresh air, the return air port 14 directly enters indoor circulating air, and the two airflows are blown out from the air outlet 15 after passing through the heat exchanger 3, so that the air device can play a role in fresh air exchange under the conventional refrigeration or heating mode, when the indoor carbon dioxide concentration M is lower than the lower concentration threshold M1, the controller closes the fresh air guide plate 17, the user can close the window 200, and the fan assembly 2 can only drive the indoor airflows to enter the airflow channel 11 from the return air port 14 and flow to the air outlet 15 through the airflow channel 11, so that the circulation of indoor air is realized.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.