Indoor unit of air duct type air conditioner and air duct type air conditioner

Abstract

The utility model relates to the technical field of heat pumps, and provides an indoor unit of an air duct type air conditioner and the air duct type air conditioner. The indoor unit of the air duct type air conditioner comprises an indoor unit shell, an air duct assembly and a plastic assembly. The indoor unit shell is provided with an air outlet. The air duct assembly is arranged in the inner unit shell, a cavity is formed between the outer wall of the air duct assembly and the inner wall of the inner unit shell, an air duct is arranged in the air duct assembly, and the periphery of the air outlet is arranged around the periphery of the air duct; the plastic assembly is arranged in the cavity and used for reducing condensate water and supporting the air duct assembly. In specific implementation, the plastic component can be produced to be thinner; meanwhile, the plastic assembly is hard; in addition, the plastic assembly cannot generate sharp thermal expansion and cold contraction sound like the foam assembly, and the use experience of the air duct type air conditioner can be improved; in addition, the strength of the plastic assembly is high.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pumps, in particular to an indoor unit of a duct type air conditioner and the duct type air conditioner. Background Art

[0002] Duct air conditioners are household appliances commonly used in people's daily lives, usually including an indoor unit and an outdoor unit, the indoor unit is installed on the indoor side, and the outdoor unit is installed on the outdoor side.

[0003] The indoor unit of the existing duct air conditioner includes an inner unit shell, a duct assembly and a foam assembly; the duct assembly is installed inside the inner unit shell, a cavity is formed between the outer wall of the duct assembly and the inner wall of the inner unit shell, and the interior of the duct assembly has an air duct; since condensation water will be generated on the cavity wall when the duct air conditioner is cooling, especially at the outlet of the air duct; based on this, the prior art will set a foam assembly in the above-mentioned cavity to reduce condensation water.

[0004] However, although the foam component is arranged in the cavity to reduce condensation, there are the following technical problems: 1. Since the corner of the cavity is relatively small (for example, less than 8 mm), and the existing production level cannot produce thinner foam, the corner can only be filled with small foam blocks (joined with larger foam components filled in non-corners). There are many small foam blocks, and the joining is cumbersome, thus affecting the assembly efficiency of the indoor unit; 2. Since the foam component is relatively soft, it is not convenient to insert the screws connecting the foam component and the inner unit housing into the foam component. Therefore, only a nut can be embedded in the foam component. An insert with a screw hole, however, when fasteners such as screws are driven into the insert, if the torque is too large, the foam may be damaged easily; and, when the indoor unit falls or collides, the insert may fall off easily, thereby damaging the entire foam assembly; 3. Since the cavity wall is usually plastic or sheet metal, that is, the inner unit housing and the air duct assembly are usually made of plastic or sheet metal, and direct contact between the foam and the plastic, or between the foam and the sheet metal, may easily cause thermal expansion and contraction, affecting the user experience; 4. The foam has poor strength and cannot provide effective support for the air duct assembly, thereby easily causing deformation of the air duct assembly. Utility Model Content

[0005] The utility model provides an indoor unit of a duct type air conditioner and the duct type air conditioner, which are used to solve the technical problems existing in the background technology.

[0006] The utility model provides an indoor unit of a duct air conditioner, comprising: an inner unit shell having an air outlet; an air duct component arranged inside the inner unit shell, a cavity being provided between the outer wall of the air duct component and the inner wall of the inner unit shell, an air duct being provided inside the air duct component, and the periphery of the air outlet being arranged around the periphery of the air duct; and a plastic component arranged in the cavity and used for reducing condensed water and supporting the air duct component.

[0007] According to one embodiment of the utility model, a vacuum cavity is provided inside the plastic component, and the vacuum cavity is used for heat insulation.

[0008] According to an embodiment of the utility model, a fastener is also included, and the plastic component is arranged in the cavity through the fastener.

[0009] According to an embodiment of the utility model, the plastic component has a screw hole; the fastener has a threaded column, the threaded column is penetrated through the inner machine shell and the plastic component, and is threadedly connected to the screw hole.

[0010] According to an embodiment of the present invention, the plastic component is extended along the length direction of the indoor unit of the duct air conditioner, and the plastic component is in the shape of a triangular prism.

[0011] According to one embodiment of the utility model, the plastic component includes: a first connecting plate, which is attached to the top wall of the inner machine outer shell; a second connecting plate, one end of the second connecting plate is connected to one end of the first connecting plate, and is attached to the front wall of the inner machine outer shell; a third connecting plate, the other end of the second connecting plate is connected to the other end of the first connecting plate through the third connecting plate, and the first connecting plate, the second connecting plate and the third connecting plate are extended along the length direction of the indoor unit of the duct type air conditioner and are arranged to form a triangular prism-shaped channel; a first end sealing plate, which covers one end of the channel and connects the first connecting plate, the second connecting plate and the third connecting plate; a second end sealing plate, which covers the other end of the channel and connects the first connecting plate, the second connecting plate and the third connecting plate; wherein the first end sealing plate and the second end sealing plate can seal both ends of the channel to enclose a triangular prism-shaped vacuum chamber.

[0012] According to one embodiment of the utility model, the plastic component also includes a reinforcement plate located in the vacuum chamber, one end of the reinforcement plate is connected between the first connecting plate and the second connecting plate, and the other end of the reinforcement plate is connected to the middle of the third connecting plate to separate the vacuum chamber into a first vacuum sub-chamber and a second vacuum sub-chamber in the shape of a triangular prism.

[0013] According to one embodiment of the present invention, the plastic component is a structural member made of polypropylene material.

[0014] According to an embodiment of the present invention, the plastic component is formed by an extrusion process.

[0015] The utility model also provides a duct type air conditioner, comprising: an indoor unit of the duct type air conditioner as described in the above embodiment.

[0016] The indoor unit of the duct air conditioner and the features and advantages of the duct air conditioner of the utility model are:

[0017] Plastic components are components made of plastic. Compared with foam components in the prior art, plastic components can be produced thinner and will not be restricted by the narrow corners of the cavity. The plastic components are a whole and the indoor unit can be assembled without splicing. Therefore, the assembly efficiency of the indoor unit can be improved. At the same time, the plastic components are harder, that is, the plastic components are relatively strong and can be passed through fasteners such as screws (used to install plastic components). There is no need to set inserts. Even if inserts are set, it is not easy for the inserts to fall off due to collisions such as falling of the indoor unit, thereby not easily causing damage to the entire foam component. In addition, the plastic components will not have the sharp thermal expansion and contraction sounds like the foam components, which can improve the user experience of the duct air conditioner. Moreover, the plastic components have high strength, can provide effective support for the duct components, and are not easy to deform the duct components due to pressure on the duct components. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of an indoor unit of a duct type air conditioner of the utility model.

[0020] Figure 2 It is a three-dimensional diagram of the plastic component of the utility model.

[0021] Figure 3 It is a front view of the plastic component of the utility model.

[0022] Figure 4 yes Figure 3 Cross-sectional view along AA direction.

[0023] Reference numerals:

[0024] 100, inner unit housing; 200, air duct assembly; 201, air duct; 300, plastic assembly; 301, vacuum chamber; 311, first vacuum sub-chamber; 312, second vacuum sub-chamber; 302, screw hole; 310, first connecting plate; 320, second connecting plate; 330, third connecting plate; 340, first end sealing plate; 350, second end sealing plate; 360, reinforcement plate; L, length direction of the indoor unit of the duct air conditioner. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present embodiment and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present embodiment.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this embodiment, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0028] In this embodiment, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0029] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0030] Figures 1 to 4 The indoor unit of the duct air conditioner provided by the utility model is shown. As can be seen from the figure, the indoor unit of the duct air conditioner of the utility model includes an inner unit shell 100, an air duct assembly 200 and a plastic assembly 300; the inner unit shell 100 has an air outlet; the air duct assembly 200 is arranged inside the inner unit shell 100, and a cavity is provided between the outer wall of the air duct assembly 200 and the inner wall of the inner unit shell 100, and an air duct 201 is provided inside the air duct assembly 200, and the periphery of the air outlet is arranged around the periphery of the air duct 201; the plastic assembly 300 is arranged in the cavity, and is used to reduce condensation water and support the air duct assembly 200.

[0031] In specific implementation, the plastic component 300 is a component made of plastic. Compared with the foam component in the prior art, the plastic component 300 can be produced thinner and will not be restricted by the narrow corners of the cavity. The plastic component 300 is a whole and the indoor unit can be assembled without splicing. Therefore, the assembly efficiency of the indoor unit can be improved. At the same time, the plastic component 300 is harder, that is, the plastic component 300 is relatively strong and can be penetrated by fasteners such as screws (for installing the plastic component 300). There is no need to set an insert. Even if an insert is set, it is not easy for the insert to fall off due to collision such as falling of the indoor unit, thereby not easily causing damage to the entire foam component. In addition, the plastic component 300 will not have a sharp thermal expansion and contraction sound like the foam component, which can improve the user experience of the duct air conditioner. Moreover, the plastic component 300 has high strength, can provide effective support for the duct component 200, and is not easy to deform the duct component 200 due to pressure on the duct component 200.

[0032] In this embodiment, the inner unit casing 100 and the air duct assembly 200 may be conventional structures; the air outlet may be located on the front side of the inner unit casing 100; the indoor unit of the duct air conditioner may also include an indoor heat exchanger (evaporator), and the air duct assembly 200 and the indoor heat exchanger are arranged in sequence from the front of the inner unit casing 100 to the rear of the inner unit casing 100.

[0033] According to an embodiment of the present invention, a vacuum cavity 301 is provided inside the plastic component 300 , and the vacuum cavity 301 is used for heat insulation.

[0034] During specific implementation, the vacuum chamber 301 can be heat-insulated, and the heat-insulating principle thereof can refer to the heat-insulating principle of conventional double-layer vacuum glass.

[0035] According to an embodiment of the present invention, the indoor unit of the duct type air conditioner of the present invention may further include a fastener, which may be a screw, for example, and the plastic component 300 is disposed in the cavity through the fastener.

[0036] In a specific implementation, the fastener can fix the plastic component 300 in the cavity. For example, the plastic component 300 can be connected to the air duct component 200 by the fastener, and the plastic component 300 can also be connected to the inner machine housing 100 by the fastener.

[0037] In this embodiment, the plastic component 300 has a screw hole 302 ; the fastener has a threaded column, which passes through the inner housing 100 and the plastic component 300 and is threadedly connected to the screw hole 302 .

[0038] According to an embodiment of the present invention, the plastic component 300 is extended along the length direction L of the indoor unit of the duct air conditioner, and the plastic component 300 is in the shape of a triangular prism.

[0039] In a specific implementation, by configuring the plastic component 300 to be in a triangular prism shape, the reliability of the plastic component 300 can be ensured by utilizing the principle of triangle stability.

[0040] In this embodiment, the plastic assembly 300 includes a first connecting plate 310, a second connecting plate 320, a third connecting plate 330, a first end plate 340 and a second end plate 350; the first connecting plate 310 is attached to the top wall of the inner housing 100; one end of the second connecting plate 320 is connected to one end of the first connecting plate 310 and attached to the front wall of the inner housing 100; the other end of the second connecting plate 320 is connected to the other end of the first connecting plate 310 through the third connecting plate 330, and the first connecting plate 310, the second connecting plate 320 and the third end plate 330 are connected to each other. The three connecting plates 330 are extended along the length direction L of the indoor unit of the duct air conditioner and enclose a triangular prism-shaped channel; the first end sealing plate 340 covers one end of the channel and connects the first connecting plate 310, the second connecting plate 320 and the third connecting plate 330; the second end sealing plate 350 covers the other end of the channel and connects the first connecting plate 310, the second connecting plate 320 and the third connecting plate 330; wherein the first end sealing plate 340 and the second end sealing plate 350 can seal both ends of the channel to enclose a triangular prism-shaped vacuum chamber 301.

[0041] According to one embodiment of the utility model, the plastic component 300 may also include a reinforcement plate 360, which is located in the vacuum chamber 301, one end of the reinforcement plate 360 ​​is connected between the first connecting plate 310 and the second connecting plate 320, and the other end of the reinforcement plate 360 ​​is connected to the middle of the third connecting plate 330, so as to separate the vacuum chamber 301 into a first vacuum sub-chamber 311 and a second vacuum sub-chamber 312 in the shape of a triangular prism.

[0042] During specific implementation, the reinforcing plate 360 ​​can play a reinforcing role, and can further ensure the reliability of the plastic component 300 by utilizing the principle of triangle stability.

[0043] According to one embodiment of the present invention, the plastic component 300 is a structural member made of polypropylene (PP).

[0044] In specific implementation, the cost of polypropylene material is relatively low, which can save the purchase cost of materials.

[0045] According to an embodiment of the present invention, the plastic component 300 is formed by an extrusion process.

[0046] In specific implementation, the extrusion process usually produces less waste, which is beneficial to environmental protection. In addition, the extrusion process can usually achieve high-speed continuous production with high production efficiency and is suitable for mass production.

[0047] The utility model also provides a duct type air conditioner, comprising an indoor unit of the duct type air conditioner of the above embodiment.

[0048] In specific implementation, the plastic component 300 is a component made of plastic. Compared with the foam component in the prior art, the plastic component 300 can be produced thinner and will not be restricted by the narrow corners of the cavity. The plastic component 300 is a whole and the indoor unit can be assembled without splicing. Therefore, the assembly efficiency of the indoor unit can be improved. At the same time, the plastic component 300 is harder, that is, the plastic component 300 is relatively strong and can be penetrated by fasteners such as screws (for installing the plastic component 300). There is no need to set an insert. Even if an insert is set, it is not easy for the insert to fall off due to collision such as falling of the indoor unit, thereby not easily causing damage to the entire foam component. In addition, the plastic component 300 will not have a sharp thermal expansion and contraction sound like the foam component, which can improve the user experience of the duct air conditioner. Moreover, the plastic component 300 has high strength, can provide effective support for the duct component 200, and is not easy to deform the duct component 200 due to pressure on the duct component 200.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "mode", "specific mode", or "some modes" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or mode are included in at least one embodiment or mode of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or modes in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or modes described in this specification and the features of the different embodiments or modes, without contradiction.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An indoor unit of a duct type air conditioner, characterized in that: include: An inner machine housing (100) having an air outlet; An air duct component (200) is arranged inside the inner machine outer shell (100), a cavity is provided between the outer wall of the air duct component (200) and the inner wall of the inner machine outer shell (100), an air duct (201) is provided inside the air duct component (200), and the periphery of the air outlet is arranged around the periphery of the air duct (201); The plastic component (300) is disposed in the cavity and is used to reduce condensed water and support the air duct component (200).

2. The indoor unit of the duct type air conditioner according to claim 1, characterized in that: The plastic component (300) has a vacuum chamber (301) inside, and the vacuum chamber (301) is used for heat insulation.

3. The indoor unit of the duct type air conditioner according to claim 2, characterized in that: It also includes a fastener, and the plastic component (300) is arranged in the cavity through the fastener.

4. The indoor unit of the duct type air conditioner according to claim 3, characterized in that: The plastic component (300) has a screw hole (302); The fastener has a threaded column, which is inserted into the inner housing (100) and the plastic component (300) and is threadedly connected to the screw hole (302).

5. The indoor unit of the duct type air conditioner according to any one of claims 2 to 4, characterized in that: The plastic component (300) is extended along the length direction (L) of the indoor unit of the duct-type air conditioner, and the plastic component (300) is in the shape of a triangular prism.

6. The indoor unit of the duct type air conditioner according to claim 5, characterized in that: The plastic component (300) comprises: A first connecting plate (310) is attached to the top wall of the inner machine housing (100); a second connecting plate (320), one end of the second connecting plate (320) being connected to one end of the first connecting plate (310) and being attached to the front wall of the inner machine housing (100); a third connecting plate (330), wherein the other end of the second connecting plate (320) is connected to the other end of the first connecting plate (310) through the third connecting plate (330), and the first connecting plate (310), the second connecting plate (320) and the third connecting plate (330) are extended along the length direction (L) of the indoor unit of the duct air conditioner and enclose a triangular prism-shaped channel; A first end-sealing plate (340), covering one end of the channel and connecting the first connecting plate (310), the second connecting plate (320) and the third connecting plate (330); A second end-sealing plate (350), covering the other end of the channel and connecting the first connecting plate (310), the second connecting plate (320) and the third connecting plate (330); The first end-sealing plate (340) and the second end-sealing plate (350) can seal both ends of the channel to enclose the vacuum chamber (301) in a triangular prism shape.

7. The indoor unit of the duct type air conditioner according to claim 6, characterized in that: The plastic component (300) further comprises a reinforcing plate (360) which is located in the vacuum chamber (301), one end of the reinforcing plate (360) being connected between the first connecting plate (310) and the second connecting plate (320), and the other end of the reinforcing plate (360) being connected to the middle of the third connecting plate (330) so as to separate the vacuum chamber (301) into a first vacuum sub-chamber (311) and a second vacuum sub-chamber (312) in the shape of a triangular prism.

8. The indoor unit of the duct type air conditioner according to any one of claims 1 to 4, characterized in that: The plastic component (300) is a structural component made of polypropylene material.

9. The indoor unit of the duct type air conditioner according to any one of claims 1 to 4, characterized in that: The plastic component (300) is formed by an extrusion process.

10. A duct type air conditioner, characterized in that: include: An indoor unit for a duct-type air conditioner according to any one of claims 1 to 9.

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