CN112361452A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN112361452A CN112361452A CN202011232584.7A CN202011232584A CN112361452A CN 112361452 A CN112361452 A CN 112361452A CN 202011232584 A CN202011232584 A CN 202011232584A CN 112361452 A CN112361452 A CN 112361452A
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- Prior art keywords
- light
- panel
- indoor unit
- air conditioner
- circuit board
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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
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located 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
- F24F11/89—Arrangement or mounting of control or safety devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air-conditioning indoor unit, comprising: a face frame; the panel and the face frame define an installation space therebetween; the display assembly is arranged in the installation space; the circuit board is arranged in the mounting space and is arranged close to the panel, the circuit board is provided with a photosensitive element, a lightproof shading piece is arranged between the circuit board and the panel, the shading piece, the circuit board and the panel define a sealed cavity together, and the photosensitive element is located in the sealed cavity to receive and detect light penetrating from the panel. According to the air-conditioning indoor unit provided by the embodiment of the invention, the sealed cavity is arranged, so that the photosensitive element only receives light penetrating from the panel and cannot be interfered by light of other positions such as an LED lamp, the intensity of external light can be more accurately judged, and a light intensity signal is accurately fed back to the display control circuit on the circuit board.
Description
The scheme is a divisional application with the Chinese patent application number of 2015103195720, the application date of 2015-06-09 and the invention name of 'air conditioner indoor unit'.
Technical Field
The invention relates to the field of air conditioners, in particular to an indoor unit of an air conditioner.
Background
The existing air-conditioning indoor unit comprises a display assembly, a circuit board, an LED lamp arranged on the circuit board and a photosensitive element located on the same side of the LED lamp. The photosensitive element collects external light intensity signals entering from the panel and transmits the light intensity signals to the display control circuit. However, since the photosensitive element and the LED lamp are located on the same side, light emitted from the LED lamp is transmitted to the photosensitive element laterally, so that lateral light guiding occurs, and thus the photosensitive element is interfered by light of the LED lamp, and the actual intensity of external light cannot be correctly determined, so that the light intensity signal cannot be accurately fed back to the display control circuit. In the related art, gaps may be generated between the top surface of the lamp holder of the LED lamp and the front panel of the air conditioner, and between the bottom surface of the lamp holder and the circuit board, which may cause leakage of the LED lamp light. Therefore, how to ensure that the light of the LED lamp does not interfere with the detection of the photosensitive element is an important problem to be solved in the field.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air conditioner indoor unit which is simple in structure and accurate in control.
An air conditioning indoor unit according to an embodiment of a first aspect of the present invention includes: a face frame, one side of which is open; a panel closing an open side of the face frame and defining an installation space with the face frame; the display assembly is arranged in the installation space; the circuit board is arranged in the mounting space and close to the panel, a photosensitive element is arranged on the circuit board, a lightproof shading piece is arranged between the circuit board and the panel, the shading piece, the circuit board and the panel define a sealed cavity together, and the photosensitive element is located in the sealed cavity to receive and detect light penetrating from the panel.
According to the air-conditioning indoor unit provided by the embodiment of the invention, the sealed cavity is arranged, so that the photosensitive element only receives light penetrating from the panel and cannot be interfered by light of other positions such as an LED lamp, the intensity of external light can be more accurately judged, and a light intensity signal is accurately fed back to the display control circuit on the circuit board. In addition, due to the accurate sensitivity of the photosensitive element, the photosensitive element is easy to be polluted, so that the photosensitive element in the sealed cavity can be prevented from being polluted by dust or other pollutants in the air, and the detection accuracy is not high. Therefore, the air conditioner indoor unit provided by the embodiment of the invention is simple in structure and accurate in control.
According to one embodiment of the invention, at least an inner wall of the light shield reflects light.
Optionally, the light shield is made of a light reflective material.
Optionally, at least the inner wall of the light shield is coated with a reflective layer, or coated with a reflective layer.
According to one embodiment of the present invention, the light blocking member is a fully elastic member.
Optionally, the light shield is made of an elastomer, or the light shield is an elastic bellows.
According to one embodiment of the present invention, the light shielding member is a partial elastic member and an elastic portion thereof abuts against the panel.
According to one embodiment of the present invention, the light blocking member includes: the elastic section is abutted against the panel; a rigid section, the rigid section and the elastic section are integrally formed, and the rigid section is connected to the circuit board.
According to one embodiment of the invention, the rigid segments are connected to the circuit board by gluing, snap-in connection or screwing.
According to one embodiment of the invention, the cross section of the elastic section is gradually increased along the direction from the circuit board to the panel, and the end of the photosensitive element is a conical top or a spherical top with a sharp tip.
Further, the outer peripheral wall of the elastic section is formed in an arc shape.
According to one embodiment of the present invention, the light shielding member is a hollow non-elastic tube, and both ends of the tube are hermetically connected to the panel and the circuit board, respectively.
Optionally, the conduit is a rigid tube.
According to one embodiment of the invention, the end of the duct adjacent the panel is stopped against the panel by a seal.
Optionally, the seal is a gasket.
Further, the other end of the pipe is connected to the circuit board by gluing, snap-fitting or screwing.
According to one embodiment of the invention, the pipe is a cylindrical pipe.
According to one embodiment of the invention, the cross-section of the conduit is unequal along its axial direction.
Optionally, the cross-section of the conduit gradually increases in a direction from the circuit board to the panel, and the end of the photosensitive element is a conical tip or a spherical tip having a pointed tip.
According to an embodiment of the present invention, an end portion of the duct adjacent to the panel is provided with a first positioning portion, and a rear side wall of the panel is provided with a second positioning portion, and the first positioning portion and the second positioning portion cooperate to connect the end of the duct and the panel in a sealing manner.
According to an embodiment of the present invention, the second positioning portion is configured as an annular groove formed on the rear side wall of the panel, the annular groove is defined by the rear side wall of the panel extending rearward between two concentric cylinders, and the one end portion of the pipe constitutes the first positioning portion.
According to an embodiment of the present invention, the first positioning portion is one of a circumferentially distributed slot and a tongue provided at the one end of the duct, and the second positioning portion is the other of the slot and the tongue provided at the rear side wall of the panel.
According to an embodiment of the present invention, the air conditioning indoor unit further includes: the elastic piece is arranged between the circuit board and the shading piece so as to normally push the shading piece to stop against the panel.
Specifically, the light blocking member includes: a first light shielding cylinder covering the outside of the photosensor and hermetically penetrating the circuit board; the second shading cylinder is communicated with the first shading cylinder, the outer circumference size of the second shading cylinder is larger than that of the first shading cylinder so as to limit a step part between the second shading cylinder and the first shading cylinder, and the elastic piece is stopped and abutted between the circuit board and the step part.
According to one embodiment of the invention, the light shield is a flexible piece of material, the circuit board has a support provided thereon, the support is disposed adjacent to the photosensitive element and the light shield is supported by the support and extends onto the panel.
Optionally, the support is arranged at the bottom of the photosensitive element or around the photosensitive element.
According to one embodiment of the present invention, a portion of the panel adjacent to the light-shielding member is gradually thinned to make light transmittance in a range of 20% to 80%.
According to an embodiment of the present invention, the position of the panel corresponding to the light shield is made of a fully transparent or semi-transparent material.
According to an embodiment of the present invention, the indoor unit of an air conditioner further includes a display cover, the display cover is disposed at a rear side of the panel and defines a closed display cavity with the panel, wherein the display assembly is disposed on the circuit board, and the circuit board is disposed on the display cover and located in the display cavity.
According to one embodiment of the invention, a light blocking element is arranged between the light sensitive element and the display component.
Further, the light blocking element is arranged in the display cavity and divides the display cavity into a first cavity and a second cavity which are separated from each other, wherein the display assembly and the light shielding member are respectively arranged in the first cavity and the second cavity.
Optionally, the light blocking element is a spacer.
Optionally, the light blocking element is an opaque film material.
Optionally, the light blocking element is an electronic element.
According to one embodiment of the invention, the top surface of the lamp holder is sealed to the front panel by a light-tight sealing member.
Optionally, the sealing member is an opaque film or a rubber member.
Further, the sealing member is a black sealing film which is opaque to light.
According to one embodiment of the present invention, the lamp holder is hermetically connected to the circuit board in a light-tight manner.
According to an embodiment of the present invention, the panel is formed as an arc-shaped panel, and a distance between the panel and the display cover is gradually reduced in a direction from the lamp holder to the light blocking member.
According to an embodiment of the present invention, an end surface of the shade member, which is engaged with the panel, is formed as an arc-shaped end surface corresponding to the arc-shaped panel.
According to an embodiment of the present invention, the panel is formed as an arc-shaped panel, the light shielding member is at least a part of an elastic element and an elastic part of the light shielding member is adapted to abut against the panel, wherein a height of the lamp holder is greater than or equal to a height of the light shielding member.
According to an embodiment of the present invention, the panel is parallel to the bottom plate of the display cover, and the height of the light shielding member is greater than the height of the lamp holder.
An air conditioning indoor unit according to an embodiment of a second aspect of the present invention includes: a housing defining an installation space therein; the display assembly is arranged in the installation space; the circuit board is arranged in the mounting space and close to the front panel of the shell, a photosensitive element is arranged on the circuit board, a light shading piece is arranged between the circuit board and the front panel and surrounds the photosensitive element, and the photosensitive element receives and detects light penetrating from the panel.
According to one embodiment of the invention, at least an inner wall of the light shield reflects light.
According to one embodiment of the present invention, the light-shielding member is made of a light-reflecting material.
According to one embodiment of the present invention, at least the inner wall of the light-shielding member is coated with a light-reflecting layer, or coated with a light-reflecting layer.
According to one embodiment of the present invention, one end of the light shielding member is disposed on the circuit board, and the other end of the light shielding member abuts against the front panel. According to one embodiment of the invention, the display assembly includes a lamp holder and an LED lamp disposed on the circuit board and within the lamp holder.
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.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a rear perspective view of a panel of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic view A-A of FIG. 1;
FIG. 3 is an exploded view of the panel, display assembly and light shield shown in FIG. 1;
FIG. 4 is a schematic view of B-B of FIG. 1;
FIG. 5 is an enlarged schematic view of the circled portion C of FIG. 4;
fig. 6 is a schematic view of a circuit board and a display module provided in a display cover in an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 7 is a schematic view D-D of FIG. 6;
FIG. 8 is a schematic view of the display module and light shield of FIG. 6 mounted on a circuit board;
FIG. 9 is a schematic view of the lamp holder shown in FIG. 8;
fig. 10 is a perspective view of a light shield according to one embodiment of the present invention;
fig. 11 is a cross-sectional view of the light shield shown in fig. 10;
fig. 12 is a perspective view of a light shield according to another embodiment of the present invention;
fig. 13 is a perspective view of a light shield according to yet another embodiment of the present invention;
fig. 14 is a schematic view a-a of another example of a panel in an indoor unit of an air conditioner according to an embodiment of the present invention.
Reference numerals:
a panel 1; a display component 2; a lamp holder 21;
a circuit board 3; a photosensor 31; a light shielding member 32;
the first light-shielding cylinder 321 b; second shade cylinder 322b
A sealed cavity 33; a first seal 34 b; the elastic member 34 c; a clip 35;
a display cover 4; a display chamber 40; a first chamber 401; a second chamber 402; light-blocking element 5
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An indoor air conditioner according to an embodiment of the present invention will be described with reference to fig. 1 to 14.
As shown in fig. 1 to 3, an air conditioning indoor unit according to an embodiment of the present invention includes: a bezel (not shown), a panel 1, a display module 2, and a circuit board 3. One side of the face frame is opened, and the panel 1 closes the opened side of the face frame and defines an installation space (not shown) with the face frame. In the present specification, the directional term "front" refers to the direction of the panel relative to the face frame, and the directional term "rear" refers to the opposite direction. In the description of the present invention, the panel is taken as an example for explanation, but the present invention is not limited to this, and the panel of the air conditioning indoor unit may be a lower panel or an upper panel. In other examples of the invention, the face frame and the panel 1 may be integrally formed and together formed as a housing.
The display module 2 is disposed in the installation space and includes a lamp holder 21 and an LED lamp (not shown) disposed on the circuit board 3 and located in the lamp holder 21 for displaying various parameters such as temperature, humidity, PM2.5 amount and other air quality, etc., as shown in fig. 6, 8-9. The circuit board 3 is disposed in the mounting space and adjacent to the panel 1, the circuit board 3 is provided with a photosensitive element 31, a light-tight light shielding member 32 is disposed between the circuit board 3 and the panel 1, the light shielding member 32, together with the circuit board 3 and the panel 1, defines a sealed cavity 33, as shown in fig. 5, wherein the photosensitive element 31 is disposed in the sealed cavity 33 to receive and detect light penetrating from the panel 1.
According to the air-conditioning indoor unit provided by the embodiment of the invention, the sealed cavity 33 is arranged, so that the photosensitive element 31 only receives light penetrating from the panel 1, and cannot be interfered by light of other positions such as an LED lamp, the intensity of external light can be more accurately judged, and a light intensity signal is accurately fed back to the display control circuit on the circuit board 3. In addition, because the photosensitive element 31 is sensitive to precision and is easily contaminated, the photosensitive element 31 is in the sealed cavity 33, and dust or other contaminants in the air can be prevented from contaminating the photosensitive element 31, so that the detection precision is not high. Therefore, the air conditioner indoor unit provided by the embodiment of the invention is simple in structure and accurate in control.
According to one embodiment of the present invention, at least the inner wall of the light shield 32 is reflective. That is, the inner wall of the light-shielding member 32 may reflect light, and both the inner wall and the outer wall of the light-shielding member 32 may reflect light. In this way, the sensitivity of the photosensor 31 to external light intensity detection can be further enhanced. The above-described making at least the inner wall of the light-shielding member 32 reflective may be achieved, for example, the light-shielding member 32 may be made of a reflective material. Of course, the present invention is not limited thereto, and a reflective layer is coated on at least the inner wall of the light-shielding member 32, or a reflective film (not shown) is provided on at least the inner wall of the light-shielding member 32. Of course, in these embodiments, the shade 32 may be made of a common material, or preferably, an opaque material.
In order to better enable the photosensitive element 31 to collect external light, in some embodiments of the present invention, the panel 1 may be made of an at least partially light-transmissive material. Optionally, the portion of the panel 1 adjacent to the light shield 32 is tapered to provide a light transmittance in the range of 20-80%. This can improve the light transmittance at the position of the photosensor 31, through which external light can more easily pass to be sensed by the photosensor 31. In a further alternative example, the portion of the panel 1 remote from the light-shielding member 32, particularly adjacent to the lamp holders 21, may be thicker than the portion corresponding to the photosensitive element 31 described above, but may be thinner than other portions of the panel 1, so as to more clearly display the pattern or parameter displayed from the display element 2. Of course, the present invention is not limited thereto, and in other alternative examples of the present invention, the position of the panel 1 corresponding to the light shielding member 32 may be made of a fully transparent or semi-transparent material, so as to further improve the sensing accuracy of the light sensor 31 for the light in the external environment of the panel 1.
A light blocking member according to various embodiments of the present invention will be described below by way of example with reference to fig. 10 to 13.
In the first embodiment, the first step is,
for clarity of description, in the present embodiment, the light shielding member 32 is denoted by 32 a. The light shielding member 32a is an at least partially elastic element, that is, at least a portion of the light shielding member 32a is elastic, wherein the elastic portion abuts against the panel 1, so that the light shielding member 32a, the circuit board 3 and the panel 1 form the above-mentioned sealed cavity 33 therebetween, so as to prevent light interference and dust in the air and the like. In fig. 1 to 8 and the corresponding description of the embodiment of the present invention, the light shielding member 32a according to the present embodiment is specifically described as an example, i.e. elastically abutted against the panel 1. Of course, it can be understood by those skilled in the art that the various light-shielding members 32 described in the following embodiments may be assembled with other components of the indoor unit of the air conditioner instead of the light-shielding member 32a shown in fig. 1 to 8, so as to achieve the same, similar or even better light-shielding effect.
In some examples of the invention, one end of the light shield 32a is resiliently stopped against the panel 1, and the other end is connected to the circuit board 3 by gluing, snap-fitting, or screwing. For example, in the example shown in fig. 10 and 11, the upper end of the light shielding member 32a is adapted to be elastically stopped against the panel 1, while the lower end has a catch 35, and correspondingly, a catch hole 36 is provided on the circuit board 3, and as shown in fig. 7, the catch 35 is inserted into and fitted in the catch hole 36 to connect the lower end of the light shielding member 32a to the circuit board 3.
It should be noted that, since one end of the light shielding member 32a is elastically stopped against the panel 1, the light shielding member 32a can be slightly higher than the display module 2, specifically slightly higher than the lamp holder 21, during the pre-assembly, so that when the panel 1 is assembled, the light shielding member 32a can be pushed by the panel to generate an elastic force, thereby ensuring the light sealing effect between the panel 1 and the light shielding member 32 a. In this way, whether the panel 1 is a curved panel, a flat panel or a stepped panel, a light-tight sealed cavity 33 can be created by the elastic one end of the light shield 32 a.
In one example, the light shield 32a is a fully elastic element. Alternatively, the light-shielding member 32a may be made of an elastic body, for example, the light-shielding member 32a may be a rubber member. Of course, the present invention is not limited thereto, and the light shielding member 32a may also be an elastic bellows tube.
In another example, the light shielding member 32a may be a part of an elastic element, for example, as shown in fig. 10 and 11, the light shielding member 32 may include a rigid section 321a and an elastic section 322a, the elastic section 322a abuts against the panel 1, the rigid section 321a is integrally formed with the elastic section 322a, and the rigid section is connected to the circuit board 3. Thus, by configuring the light shielding member 32 to include the rigid section 321a and the elastic section 322a, the rigid section 321a can be supported on the circuit board 3 by force, and the elastic section 322a can be attached to the curved surface of the panel 1 to seal the cavity 33.
As shown in fig. 10 and 11, in order to facilitate further collection of light, the end of the photosensitive element 31 is a conical top or a spherical top with a sharp tip for light condensation, and the cross section of the elastic section 322a gradually increases along the direction from the circuit board 3 to the panel 1, and the inner wall of the elastic section 322a is smooth, so that light entering from the panel 1 can be further collected through the cross section change of the elastic section 322a and the light condensation at the end of the photosensitive element 31, so as to accurately judge the intensity of external light, and further accurately feed back the light intensity signal to the display control circuit on the circuit board 3. Further, the outer circumferential wall of the elastic section 322a is formed in an arc shape, that is, the elastic section 322a is formed in a flared shape gradually expanding outward, to more effectively collect light entering from the panel 1 into the sealed cavity 33.
Of course, it will be understood by those skilled in the art that when the light-shielding member 32a is a fully elastic member, the cross-sectional structure thereof may be the shape of the partially elastic light-shielding member 32a as described above (see fig. 10 and 11) to achieve the same light-focusing effect.
In the second embodiment, the first embodiment of the method,
for clarity of description, in the present embodiment, the light shielding member 32 is denoted by reference numeral 32 b. Wherein the light shielding member 32b is a hollow non-elastic tube, such as a rigid tube, and both ends of the tube 32b are hermetically connected to the panel 1 and the circuit board 3, respectively. As shown in fig. 12, one end portion of the shade 32 adjacent to the panel 1 is stopped against the panel 1 by a first seal 34b, and the other end is connected to the circuit board 3 by gluing, snap-fitting, or screwing. Alternatively, the first sealing member 34b is a sealing ring, wherein the inner diameter of the first sealing member 34b is smaller than the inner diameter of the duct 32b, and the outer diameter is equal to or larger than the outer diameter of the duct 32b, thereby being capable of sealing between the duct 32b and the panel 1 well to prevent light leakage.
In one particular example, as shown in fig. 12, the light shield 32b may be a cylindrical tube. Of course, in another specific example, the cross section of the duct 32b as the light shielding member is not equal in its axial direction, whereby light enters the photosensor 31 along with the duct 32b for collection. Preferably, the cross section of the light-shielding member 32b is gradually increased in a direction from the circuit board 3 to the panel 1 (not shown in the figure), and the end of the photosensor 31 is a cone-shaped tip or a spherical tip having a sharp tip, whereby light entering from the panel 1 can be further collected by the light-shielding member 32b and the end light-gathering having the gradually increased cross section, so as to accurately judge the intensity of external light, and further accurately feed back the light intensity signal to the display control circuit on the circuit board 3. Of course, the outer peripheral wall of the light-shielding member 32b may also be formed in an arc shape, that is, the light-shielding member 32b is formed in a horn shape gradually expanding outward, to more effectively collect light entering the sealed cavity 33 from the panel 1.
In some embodiments of the present invention, the ends of the light-shielding members 32b adjacent to the panel 1 may not be sealingly connected by the first sealing member 34b, but may be sealed by being positioned with each other. Specifically, one end of the light shielding member 32 adjacent to the panel 1 is provided with a first positioning portion (not shown), and the rear side wall of the panel 1 is provided with a second positioning portion (not shown), and the first positioning portion and the second positioning portion cooperate to connect one end of the light shielding member 32b and the panel 1 in a sealing manner.
Alternatively, the second positioning portion may be configured as an annular groove formed on the rear side wall of the face plate 1, the annular groove being defined by the rear side wall of the face plate 1 extending rearward between two concentric cylinders, and one end portion of the light shielding member 32b constituting the first positioning portion. In other words, one end of the duct as the light shielding member 32b is inserted into the annular groove on the back surface of the panel 1, and the duct and the annular groove may be further sealed by a sealing rubber member in order to prevent light leakage more effectively. Thus, not only is it possible to seal between the light-shielding member 32b and the panel 1 well, but also a positioning structure is provided to facilitate the assembly between the panel 1 and the light-shielding member 32 b.
In another alternative example, the first positioning portion is one of a circumferentially distributed catch and a catch provided at one end of the shade 32b, and the second positioning portion is the other of the catch and the catch provided on the rear side wall of the face plate 1. Of course, in order to better prevent light leakage, the end of the light shielding member 32b may also be annularly sealed by a sealing rubber member. Therefore, the effect can be achieved through the matching of the clamping groove and the clamping tongue, namely, the light shading piece 32b and the panel 1 can be well sealed, and a positioning structure is provided, so that the assembly between the panel 1 and the light shading piece 32b is facilitated.
In the third embodiment, the first step is that,
for clarity of description, in the present embodiment, the light shielding member 32 is denoted by 32 c. As shown in fig. 13, the air conditioning indoor unit further includes: the elastic member 34c, the elastic member 34c is disposed between the circuit board 3 and the light shielding member 32c to normally push the light shielding member 32 against the panel 1, that is, the elastic member 34c always provides an elastic force to the light shielding member 32c toward the panel 1, whereby the sealing between the light shielding member 32c and the panel 1 can be achieved, thereby forming the above-mentioned sealed chamber.
Specifically, as shown in fig. 13, the light blocking member 32 may include: a first light shielding cylinder 321c and a second light shielding cylinder 322c, the first light shielding cylinder 321c is covered outside the photosensitive element 31 and hermetically penetrates the circuit board 3, that is, one end of the first light shielding cylinder 321c far away from the panel 1 hermetically penetrates the circuit board 3 and protrudes, thereby facilitating to be pushed by the elastic member 34c without light leakage. And the second light-shielding cylinder 322c is communicated with the first light-shielding cylinder 321c, and the outer circumference size of the second light-shielding cylinder 322c is larger than that of the first light-shielding cylinder 321c to define a step portion between the second light-shielding cylinder 322c and the first light-shielding cylinder 321c, wherein the elastic member is stopped between the circuit board 3 and the step portion. In some alternative examples, a sealing ring (not shown) is also disposed between an end of the first light shielding cylinder 321c away from the panel 1 and the circuit board 3 to enable the first light shielding cylinder 321c to pass through the circuit board 3 in a sealing manner.
Various embodiments of the light shield 32 are described above with reference to fig. 10-13. However, it will be understood by those skilled in the art that other types of light-shielding members of the same or similar principles, as long as they can be used to form a sealed cavity between the light-shielding member and the circuit board 3 and the panel 1 for collecting light, are within the scope of the present invention.
The light-shielding members 32 in the above embodiments are all hard material members, however, in other embodiments of the present invention, the light-shielding members 32 may also be soft material members. Specifically, the circuit board 3 may be provided with a bracket (not shown) disposed adjacent to the photosensor 31 and the light shielding member 32 supported by the bracket and extending onto the panel 1. In one specific example, the support is provided at the bottom of the photosensor 31. Alternatively, the holder is made of an opaque material, or a flexible opaque material is sleeved on the holder, so that light can be prevented from leaking into the sealed cavity 33 from the holder.
In yet another specific example, the support may be disposed around the photosensor 31. Wherein optionally the bracket extends from the circuit board 3 to the panel 1, in other words, the bracket can support the entire length of the light shield 32, thereby providing better support for the light shield 32. Of course, the bracket may also extend over a portion of the length of the shade 32, such as half the length, 3/4 length, etc., and is not limited in this regard.
As shown in fig. 1 to 7, according to some embodiments of the present invention, the air conditioning indoor unit may further include a display cover 4, the display cover 4 is disposed at a rear side of the panel 1 and defines a closed display cavity 40 with the panel 1, and the display assembly 2 is disposed on the circuit board 3 and spaced apart from the photosensor 31 and the light blocking member 32. The circuit board 3 is disposed on the display cover 4 and within the display cavity 40.
As shown in fig. 14, the light blocking member 5 is disposed between the photosensitive element 31 and the display module 2, so as to block light between the photosensitive element 31 and the display module 2, thereby preventing the light from being detected inaccurately by the photosensitive element 31 in case the display module 2 leaks light due to poor sealing. Specifically, the light blocking member 5 may be provided within the display cavity 40 and partition the display cavity 40 into a first cavity 401 and a second cavity 402 spaced apart from each other, wherein the display assembly 2 and the light blocking member 32 are provided within the first cavity 401 and the second cavity 402, respectively.
In one embodiment of the invention, the light-blocking element 5 may be a light-impermeable baffle. In another embodiment, the light-blocking element 5 may also be a light-impermeable film material, i.e. a soft material, which is easy to arrange on the circuit board 3. Of course, the present invention is not limited thereto, and in other embodiments of the present invention, the light blocking element 5 may also be a light-tight electronic element, the specific function of which may be determined according to the specific design, which is disposed on the circuit board 3 and has a predetermined height to partially block the light path between the LED lamp and the photosensitive element 31.
The above embodiments provide a technical solution for light-shielding the display module 2 and the light shielding member 32. However, since light leakage may also occur between the top surface of the lamp holder 21 and the front panel 1 to affect the light detection sensitivity of the photosensitive member 31, the top surface of the lamp holder 21 and the front panel 1 may be sealed by a second sealing member (not shown) which does not transmit light. In some specific examples, the top surface of the lamp holder 21 may be covered with a light-impermeable film. Alternatively, the second seal may be a light-impermeable black sealing film. Further, the side of the sealing film facing the LED lamp is black, which has light absorbing and light isolating effects, and the light penetration is poor, so that the light emitted from the LED lamp can be blocked, thereby further preventing the light of the LED lamp from scattering out to affect the photosensitive element 31. Of course, in other examples, the second sealing member may also be an opaque black rubber pad or the like to isolate the LED lamp from leaking light to the photosensitive element 31.
Further, a light-tight sealing connection between the lamp holder 21 and the circuit board 3 may also be defined. In combination with the technical scheme of the embodiment that the light-blocking element 5 is arranged between the lamp holder 21 and the light-shielding member 32 and the sealing is arranged between the lamp holder 21 and the front panel 1, the lamp holder 21 and the LED lamp arranged therein are also arranged in a sealed chamber, so that the display effect of the display assembly 2 through the panel 1 is ensured, and meanwhile, the light emitted by the LED lamp is ensured not to enter the light-shielding member 32 to affect the photosensitive element 31, thereby ensuring the detection effect of the photosensitive element 31.
In other embodiments of the present invention, the panel 1 is formed as an arc-shaped panel, and the distance between the panel 1 and the display cover 4 is gradually reduced in the direction from the lamp holder 21 to the light blocking member 32, as shown in fig. 2 and 14. In order to match the arc panel, optionally, an end surface of the light shielding member 32 which is engaged with the panel 1 is formed into an arc end surface corresponding to the arc panel 1, which is not shown. Therefore, the assembling resistance is small, and the assembling is easy.
Of course, in other embodiments, the panel 1 is formed into an arc-shaped panel 1, in which the height of the lamp holder 21 is greater than or equal to the height of the light shielding member 32, in which the light shielding member 32 is at least partially elastic, and one elastic end of the elastic member is suitable for abutting against the panel 1, so that when the panel 1 is assembled with the display cover 4, the light shielding member 32a can be pushed by the panel to generate an elastic force, thereby ensuring the light sealing effect between the panel 1 and the light shielding member 32 a. In other examples, when the panel 1 is parallel to the bottom plate of the display cover 4, the height of the light-shielding member 32 is greater than the height of the lamp holder 21, and thus, when the panel 1 is assembled with the display cover 4, the light-shielding member 32a may be pushed by the panel to generate an elastic force, thereby ensuring a light-sealing effect between the panel 1 and the light-shielding member 32 a. In this way, whether the panel 1 is a curved panel, a flat panel or a stepped panel, a light-tight sealed cavity 33 can be created by the elastic one end of the light shield 32 a.
It will be understood by those skilled in the art that the above embodiments of the light shielding member 32, the display module 2, and the panel 1 and the circuit board 3 can be combined in any combination to ensure the detection sensitivity of the photosensitive element 31, and all fall within the scope of the present invention. For example, in an exemplary embodiment, the light shielding member 32 may be a fully elastic member, and one end of the light shielding member abuts against the panel 1, and the other end of the light shielding member is sealed with the circuit board 3 by the clamping leg 35, so that a sealed cavity 33 is defined between the light shielding member 32, the panel 1 and the circuit board 3, and the photosensitive element 31 is located in the sealed cavity 33. In addition, the top of the lamp holder 21 is closely attached to the panel 1 through a light-tight black sealing film, the bottom of the lamp holder 21 is connected with the circuit board 3 through a buckle, and the positions of the panel 1 corresponding to the light-shielding member 32 and the lamp holder 21 are thinned or made of light-transmitting materials.
In yet another exemplary embodiment, the light shielding member 32 may be a light-tight or light-reflecting soft material member, which is supported between the panel 1 and the circuit board 3 through a bracket, and two ends of the light shielding member are respectively abutted against the panel 1 and the circuit board 3, so that a sealed cavity 33 is defined between the light shielding member 32, the panel 1 and the circuit board 3, and the photosensitive element 31 is located in the sealed cavity 33. In addition, the top of the lamp holder 21 is closely attached to the panel 1 through a light-tight black sealing film, the bottom of the lamp holder 21 is connected with the circuit board 3 through a buckle, and the positions of the panel 1 corresponding to the light-shielding member 32 and the lamp holder 21 are thinned or made of light-transmitting materials.
The above two combined embodiments are merely exemplary illustrations, and the scope of the present invention is not limited to the above combinations, but should include any mutual combination between the various embodiments of the present invention described above.
An air conditioning indoor unit according to an embodiment of the present invention will be exemplarily described with reference to fig. 1 to 14.
As shown in fig. 1 to 3, the air conditioning indoor unit according to the present embodiment includes: a bezel (not shown), a panel 1, a display assembly 2, a circuit board 3, and a display cover 4. One side of the face frame is opened, and the panel 1 closes the opened side of the face frame and defines an installation space (not shown) with the face frame. The circuit board 3 is disposed on the display cover 4, a closed display cavity 40 is defined between the display cover 4 and the panel 1, the display assembly 2 is disposed on the circuit board 3, the circuit board 3 is disposed with the photosensitive element 31 thereon, a light-tight shielding member 32 is disposed between the circuit board 3 and the panel 1, and the light-tight shielding member 32, the circuit board 3 and the panel 1 together define a sealed cavity 33, as shown in fig. 2 and 5.
As shown in fig. 6 and 8, the light shielding member 32 is at least a part of an elastic member, one end of which is an elastic part and abuts against the panel 1, and the other end of which is hermetically connected to the circuit board 3 through a clip 35. Further, the light shielding member 32 may be made of an opaque material, and a reflective film or a reflective layer is disposed on an inner wall thereof. As shown in fig. 6 to 8, the cross section of the end of the light shielding member 32 abutting against the panel 1 is gradually increased to form a trumpet shape gradually expanded outward, and at the same time, the end of the photosensor 31 is a cone-shaped tip or a spherical tip having a sharp tip, whereby light entering from the panel 1 can be further collected to accurately judge the intensity of external light, thereby accurately feeding back the light intensity signal to the display control circuit on the circuit board 3.
Further, the top of the lamp holder 21 is closely attached to the panel 1 by a black sealing film (not shown) which is opaque to light so as to block light emitted from the LED lamp, thereby further preventing the light from being scattered by the LED lamp light to affect the photosensitive element 31. In addition, the bottom of the lamp holder 21 is hermetically connected with the circuit board 3 through a buckle 211, as shown in fig. 9; and a partition plate or an opaque film for isolating light is provided between the lamp holder 21 and the light shielding member 32, as shown in fig. 14, so that the lamp holder 21 and the LED lamp disposed therein are also disposed in a sealed chamber, thereby ensuring that the display effect of the display module 2 through the panel 1 is ensured, and at the same time ensuring that the light emitted from the LED lamp does not enter the light shielding member 32 to affect the photosensitive element 31, thereby ensuring the detection effect of the photosensitive element 31.
Meanwhile, the positions of the panel 1 corresponding to the light shielding member 32 and the lamp holder 21 are thinned or made of a light-transmitting material, so as to further improve the accuracy of the light sensing of the photosensitive element 31 to the light in the external environment of the panel 1.
In summary, according to the air conditioning indoor unit of the embodiment of the present invention, the photosensitive element 31 can only receive the light penetrating from the panel 1, and is not interfered by the light of the LED lamp, so as to determine the intensity of the external light more accurately, and further accurately feed the light intensity signal back to the display control circuit on the circuit board 3.
Other configurations and operations of the air conditioning indoor unit according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 do not necessarily 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (48)
1. An indoor unit of an air conditioner, comprising:
a face frame, one side of which is open;
a panel closing an open side of the face frame and defining an installation space with the face frame;
the display assembly is arranged in the installation space;
the circuit board is arranged in the mounting space and close to the panel, a photosensitive element is arranged on the circuit board, a light shielding piece is arranged between the circuit board and the panel, the light shielding piece, the circuit board and the panel jointly define a sealed cavity, and the photosensitive element is located in the sealed cavity to receive and detect light penetrating from the panel.
2. An indoor unit of an air conditioner according to claim 1, wherein at least an inner wall of the light-shielding member is light-reflecting.
3. An indoor unit of an air conditioner according to claim 1, wherein the light-shielding member is made of a light reflecting material or a light opaque material.
4. An indoor unit of an air conditioner according to claim 1, wherein at least an inner wall of the light-shielding member is coated with a light-reflecting layer or a light-reflecting layer.
5. An indoor unit of an air conditioner according to any one of claims 1 to 4, wherein the light-shielding member is a fully elastic member.
6. An indoor unit of an air conditioner according to claim 5, wherein the light-shielding member is made of an elastic body or is an elastic bellows.
7. An indoor unit of an air conditioner according to any one of claims 1 to 4, wherein the shade is a partially elastic member and an elastic portion thereof abuts against the panel.
8. An indoor unit of an air conditioner according to claim 7, wherein the light-shielding member includes:
the elastic section is abutted against the panel;
a rigid section, the rigid section and the elastic section are integrally formed, and the rigid section is connected to the circuit board.
9. An air conditioning indoor unit according to claim 8, wherein the rigid section is connected to the circuit board by gluing, snap-fitting, or screwing.
10. An indoor unit of an air conditioner according to claim 8, wherein the cross section of the elastic section is gradually increased in a direction from the circuit board to the panel, and the end of the photosensor is a cone-shaped tip or a spherical tip having a sharp tip.
11. An indoor unit of an air conditioner according to claim 10, wherein an outer peripheral wall of the elastic section is formed in an arc shape.
12. An indoor unit of an air conditioner according to any one of claims 1 to 4, wherein the light-shielding member is a hollow non-elastic tube, and both ends of the tube are hermetically connected to the panel and the circuit board, respectively.
13. An indoor unit of an air conditioner according to claim 12, wherein the duct is a rigid pipe.
14. An indoor unit of an air conditioner according to claim 12, wherein an end portion of the duct adjacent to the panel is stopped against the panel by a seal.
15. An indoor unit of an air conditioner according to claim 14, wherein the sealing member is a packing.
16. An air conditioning indoor unit according to claim 15, wherein the other end of the pipe is connected to the circuit board by gluing, snap-fitting, or screwing.
17. An indoor unit of an air conditioner according to claim 12, wherein the pipe is a cylindrical pipe.
18. An indoor unit of an air conditioner according to claim 12, wherein the cross section of the duct is unequal in the axial direction thereof.
19. An indoor unit of an air conditioner according to claim 18, wherein a cross section of the duct is gradually increased in a direction from the circuit board to the panel, and an end of the photosensor is a cone-shaped tip or a spherical tip having a pointed tip.
20. An indoor unit of an air conditioner according to claim 19, wherein an end portion of the duct adjacent to the panel has a first positioning portion, and a rear side wall of the panel has a second positioning portion, and the first positioning portion and the second positioning portion cooperate to sealingly connect the one end of the duct and the panel.
21. An indoor unit of an air conditioner according to claim 20, wherein the second positioning portion is configured as an annular groove formed in the rear side wall of the panel, the annular groove is defined by extending the rear side wall of the panel rearward between two concentric cylinders, and the one end portion of the pipe constitutes the first positioning portion.
22. An indoor unit of an air conditioner according to claim 20, wherein the first positioning portion is one of a catch and a tongue provided at the one end of the duct and distributed in a circumferential direction, and the second positioning portion is the other of the catch and the tongue provided at a rear side wall of the panel.
23. An indoor unit of an air conditioner according to any one of claims 7 to 15, further comprising:
the elastic piece is arranged between the circuit board and the shading piece so as to normally push the shading piece to stop against the panel.
24. An indoor unit of an air conditioner according to claim 23, wherein the light-shielding member comprises:
a first light shielding cylinder covering the outside of the photosensor and hermetically penetrating the circuit board;
the second shading cylinder is communicated with the first shading cylinder, the outer circumference size of the second shading cylinder is larger than that of the first shading cylinder so as to limit a step part between the second shading cylinder and the first shading cylinder, and the elastic piece is stopped and abutted between the circuit board and the step part.
25. An indoor unit of an air conditioner according to any one of claims 1 to 4, wherein the light shield is a flexible material, a bracket is provided on the circuit board, the bracket is provided adjacent to the photosensor, and the light shield is supported by the bracket and extends to the panel.
26. An indoor unit of an air conditioner according to claim 25, wherein the bracket is provided at a bottom of the photosensor or around the photosensor.
27. An indoor unit of an air conditioner according to claim 1, wherein a portion of the panel adjacent to the light blocking member is gradually thinned to make a light transmittance range of 20 to 80%.
28. An indoor unit of an air conditioner according to claim 1, wherein the panel is made of a translucent or semi-translucent material at a position corresponding to the light-shielding cover.
29. An indoor unit of an air conditioner as claimed in claim 1, further comprising a display cover disposed at a rear side of the panel and defining a closed display chamber with the panel, wherein the display assembly is disposed on the circuit board, and the circuit board is disposed on the display cover and located in the display chamber.
30. An indoor unit of an air conditioner according to claim 29, wherein a light blocking member is provided between the photosensor and the display unit.
31. An indoor unit of an air conditioner according to claim 30, wherein the light blocking member is provided in the display chamber and partitions the display chamber into a first chamber and a second chamber spaced apart from each other, and wherein the display unit and the light blocking member are provided in the first chamber and the second chamber, respectively.
32. An indoor unit of an air conditioner according to claim 31, wherein the light blocking member is a partition.
33. An air conditioning indoor unit according to claim 31, wherein the light blocking member is a light-impermeable film material.
34. An indoor unit of an air conditioner according to claim 30, wherein the light blocking member is an electronic member.
35. An indoor unit of an air conditioner according to any one of claims 30 to 34, wherein the display assembly includes a lamp holder and an LED lamp provided on the circuit board and located in the lamp holder, and a top surface of the lamp holder is sealed with the front panel by a light-tight sealing member.
36. An indoor unit of an air conditioner according to claim 35, wherein the sealing member is a light-impermeable film or a rubber member.
37. An indoor unit according to claim 36, wherein the sealing member is a black sealing film which does not transmit light.
38. An indoor unit of an air conditioner as claimed in claim 35, wherein the lamp holder is connected to the circuit board in a light-tight sealing manner.
39. An indoor unit of an air conditioner according to claim 29, wherein the panel is formed as an arc-shaped panel, and a distance between the panel and the display cover is gradually reduced in a direction from the lamp holder to the light-shielding member.
40. An indoor unit of an air conditioner according to claim 39, wherein an end surface of the light-shielding member which engages with the panel is formed into an arc-shaped end surface corresponding to the arc-shaped panel.
41. An indoor unit of an air conditioner as claimed in claim 39, wherein the panel is formed as an arc-shaped panel, the light-shielding member is at least a part of an elastic member and an elastic part of the light-shielding member is adapted to abut against the panel, and wherein the height of the lamp holder is greater than or equal to the height of the light-shielding member.
42. An indoor unit of an air conditioner according to claim 29, wherein the panel is parallel to a bottom plate of the display cover, and a height of the light-shielding member is larger than a height of the lamp holder.
43. An indoor unit of an air conditioner, comprising:
a housing defining an installation space therein;
the display assembly is arranged in the installation space;
the circuit board is arranged in the mounting space and close to the front panel of the shell, a photosensitive element is arranged on the circuit board, a light shading piece is arranged between the circuit board and the front panel and surrounds the photosensitive element, and the photosensitive element receives and detects light penetrating from the panel.
44. An indoor unit of an air conditioner according to claim 43, wherein at least an inner wall of the light-shielding member is light-reflecting.
45. An indoor unit of an air conditioner according to claim 43, wherein the light-shielding member is made of a light reflecting material or a light opaque material.
46. An indoor unit of an air conditioner according to claim 43, wherein at least an inner wall of the light-shielding member is coated with a light-reflecting layer or a light-reflecting layer.
47. An indoor unit of an air conditioner according to claim 43, wherein one end of the light-shielding member is provided on the circuit board, and the other end is abutted against the front panel.
48. An indoor unit of an air conditioner according to any one of claims 43 to 47, wherein the display assembly comprises a lamp holder and an LED lamp provided on the circuit board and located in the lamp holder.
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| CN202011232584.7A CN112361452B (en) | 2015-06-09 | 2015-06-09 | Indoor unit of air conditioner |
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| CN201510319572.0A CN104913389B (en) | 2015-06-09 | 2015-06-09 | Indoor unit of air conditioner |
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| CN202011459002.9A Active CN112539461B (en) | 2015-06-09 | 2015-06-09 | Indoor unit of air conditioner |
| CN202010544116.7A Pending CN111649385A (en) | 2015-06-09 | 2015-06-09 | Indoor unit of air conditioner |
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| CN202011458998.1A Active CN112539460B (en) | 2015-06-09 | 2015-06-09 | Indoor unit of air conditioner |
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| CN106910423B (en) * | 2017-04-10 | 2022-12-23 | 珠海格力电器股份有限公司 | Display device and air conditioning equipment |
| CN108151140B (en) * | 2017-12-05 | 2020-10-13 | 广东美的暖通设备有限公司 | Air conditioner indoor unit and air conditioner with same |
| CN111043716B (en) * | 2019-12-31 | 2024-06-21 | 广东美的制冷设备有限公司 | Display box assembly and window type air conditioner |
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2015
- 2015-06-09 CN CN202011232584.7A patent/CN112361452B/en active Active
- 2015-06-09 CN CN202011459275.3A patent/CN112539462B/en active Active
- 2015-06-09 CN CN202010829636.2A patent/CN111964153B/en active Active
- 2015-06-09 CN CN202011459002.9A patent/CN112539461B/en active Active
- 2015-06-09 CN CN202010544116.7A patent/CN111649385A/en active Pending
- 2015-06-09 CN CN201510319572.0A patent/CN104913389B/en active Active
- 2015-06-09 CN CN202011458998.1A patent/CN112539460B/en active Active
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112539461A (en) * | 2015-06-09 | 2021-03-23 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN113108365A (en) * | 2015-06-09 | 2021-07-13 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN113108365B (en) * | 2015-06-09 | 2023-04-28 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN115127081A (en) * | 2021-03-18 | 2022-09-30 | 光宝科技股份有限公司 | Dimmable light emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112539461B (en) | 2022-05-31 |
| CN111964153B (en) | 2022-07-05 |
| CN112539460B (en) | 2022-05-24 |
| CN112539460A (en) | 2021-03-23 |
| CN104913389B (en) | 2021-04-20 |
| CN104913389A (en) | 2015-09-16 |
| CN112361452B (en) | 2022-11-08 |
| CN111649384A (en) | 2020-09-11 |
| CN111649385A (en) | 2020-09-11 |
| CN111964153A (en) | 2020-11-20 |
| CN112539462B (en) | 2022-11-15 |
| CN112539462A (en) | 2021-03-23 |
| CN112539461A (en) | 2021-03-23 |
| CN113108365A (en) | 2021-07-13 |
| CN113108365B (en) | 2023-04-28 |
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