PTC (Positive Temperature Coefficient) electric heating fixing device for indoor unit of air conditioner

Abstract

The utility model provides a PTC electric heating fixing device for an air conditioner indoor unit, and relates to the field of fixing devices.The PTC electric heating fixing device comprises a base, a first fixing plate, a second fixing plate and a PTC electric heating assembly, the first fixing plate and the second fixing plate are installed on the base in a V shape, and an upper guide rail and a lower guide rail are arranged on the first fixing plate and the second fixing plate; the upper guide rail is arranged above the lower guide rail, the PTC electric heating assembly comprises an upper sheet metal part, a lower sheet metal part and a plurality of heating parts, the upper sheet metal part is installed in the upper guide rail in a sliding mode, and the lower sheet metal part is installed in the lower guide rail in a sliding mode. A heating piece is installed between the upper sheet metal part and the lower sheet metal part to form a PTC electric heating assembly; the PTC electric heating assembly is installed in the upper guide rail and the lower guide rail in a sliding mode, the PTC electric heating assembly is completely fixed through the front limiting folded edge and the rear limiting folded edge on the PTC electric heating assembly, and the PTC electric heating assembly is convenient and fast to install and dismantle.

Description

Technical Field

[0001] The present application relates to the field of fixing devices, and in particular to a PTC electric heating fixing device for an indoor unit of an air conditioner. Background Art

[0002] The PTC electric heater of the indoor unit of the air conditioner is generally composed of several pieces, usually fixed to the heat exchanger of the unit with two upper and lower sheet metals, and the heat is taken away by the fan. When inspecting, the electric heater is removed from the front. With the current structure, when there is no inspection space on the front of the electric heater, the electric heater cannot be removed, which is inconvenient for inspection. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a PTC electric heating fixing device for an air-conditioning indoor unit, which can solve the technical problem of being unable to be quickly installed and removed.

[0004] An embodiment of the present application provides a PTC electric heating fixing device for an air-conditioning indoor unit, comprising a base, a first fixing plate, a second fixing plate, and a PTC electric heating component, wherein the first fixing plate and the second fixing plate are installed on the base in a "V" shape, and an upper guide rail and a lower guide rail are provided on the first fixing plate and the second fixing plate, wherein the upper guide rail is provided above the lower guide rail, and the PTC electric heating component comprises an upper sheet metal part, a lower sheet metal part, and a plurality of heating elements, wherein the plurality of heating elements are provided between the upper sheet metal part and the lower sheet metal part, the upper sheet metal part can be slidably installed in the upper guide rail, and the lower sheet metal part can be slidably installed in the lower guide rail, and limited folding edges are provided on both sides of the upper sheet metal part and both sides of the lower sheet metal part.

[0005] Preferably, fixed columns are provided at both ends between the upper sheet metal component and the lower sheet metal component.

[0006] Preferably, a plurality of PTC electric heating installation holes are provided on the upper sheet metal component and the lower sheet metal component.

[0007] Preferably, sealing sheet metal plates are arranged in front and behind the first fixing plate and the second fixing plate.

[0008] Preferably, extension pieces are provided at both ends of the base, and fixing holes are provided on the extension pieces.

[0009] Preferably, the first fixing plate and the second fixing plate are made of aluminum alloy.

[0010] Preferably, ventilation holes are provided on one side of the upper sheet metal component and one side of the lower sheet metal component.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides a PTC electric heating fixing device for an air conditioner indoor unit, comprising a base, a first fixing plate, a second fixing plate, and a PTC electric heating component. The first fixing plate and the second fixing plate are installed on the base in a "V" shape. The first fixing plate and the second fixing plate are provided with an upper guide rail and a lower guide rail. The upper guide rail is arranged above the lower guide rail. The PTC electric heating component comprises an upper sheet metal part, a lower sheet metal part, and a plurality of heating elements. The plurality of heating elements are arranged between the upper sheet metal part and the lower sheet metal part. The upper sheet metal part can slide The upper guide rail is movably installed in the upper guide rail, and the lower sheet metal part can be slidably installed in the lower guide rail. Limiting folding edges are arranged on both sides of the upper sheet metal part and both sides of the lower sheet metal part. When the utility model is in use, the upper guide rail and the lower guide rail are first installed on the first fixed plate and the second fixed plate; then the heating element is installed between the upper sheet metal part and the lower sheet metal part to form a PTC electric heating component; then the PTC electric heating component is slidably installed in the upper and lower guide rails, and the PTC electric heating component is completely fixed by the front and rear limiting folding edges on the PTC electric heating component. The utility model is convenient and quick to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the PTC electric heating component of the utility model;

[0016] Figure 3 This is another structural schematic diagram of the utility model.

[0017] The reference numerals are:

[0018] 1. Base; 2. First fixing plate; 3. Second fixing plate; 4. PTC electric heating assembly; 5. Upper guide rail; 6. Lower guide rail; 7. Upper sheet metal; 8. Lower sheet metal; 9. Heating element; 10. First fixing hole; 12. Second fixing hole; 13. PTC electric heating installation hole; 14. Sealing sheet metal plate; 15. Extension piece; 16. Fixing hole; 17. Vent hole; 18. Fixed column; 19. Limiting folding edge. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] like Figure 1-3As shown, a PTC electric heating fixing device for an air conditioner indoor unit includes a base 1, a first fixing plate 2, a second fixing plate 3, and a PTC electric heating component 4. The first fixing plate 2 and the second fixing plate 3 are installed on the base 1 in a "V" shape. The first fixing plate 2 and the second fixing plate 3 are provided with an upper guide rail 5 and a lower guide rail 6. The upper guide rail 5 is arranged above the lower guide rail 6. The PTC electric heating component 4 includes an upper sheet metal part 7, a lower sheet metal part 8 and a plurality of heating elements 9. The plurality of heating elements 9 are arranged between the upper sheet metal part 7 and the lower sheet metal part 8. The upper sheet metal part 7 can be slidably installed. In the upper guide rail 5, the lower sheet metal part 8 can be slidably installed in the lower guide rail 6, and limiting folding edges 19 are arranged on both sides of the upper sheet metal part 7 and the lower sheet metal part 8. When the utility model is in use, the upper guide rail 5 and the lower guide rail 6 are first installed on the first fixed plate 2 and the second fixed plate 3; then the heating element 9 is installed between the upper sheet metal part 7 and the lower sheet metal part 8 to form a PTC electric heating component 4; then the PTC electric heating component 4 is slidably installed in the upper and lower guide rails 6, and the PTC electric heating component 4 is completely fixed by the front and rear limiting folding edges 19 on the PTC electric heating component 4. The utility model is convenient and quick to install and disassemble.

[0026] like Figure 1-2 As shown, in this embodiment, fixed columns 18 are provided at both ends between the upper sheet metal part 7 and the lower sheet metal part 8 . The fixed columns 18 of the utility model are used to play a supporting role.

[0027] like Figure 2 As shown, in this embodiment, a plurality of PTC electric heating mounting holes 13 are provided on the upper sheet metal part 7 and the lower sheet metal part 8. The PTC electric heating mounting holes 13 of the utility model are used to fix the heating element 9 and can be fixed by bolts to facilitate later maintenance.

[0028] like Figure 1 As shown, in this embodiment, sealing sheet metal plates 14 are disposed between the first fixing plate 2 and the second fixing plate 3 at the front and back. The sealing sheet metal plates 14 can make the connection between the first fixing plate 2 and the second fixing plate 3 more stable.

[0029] like Figure 1 As shown, in this embodiment, extension pieces 15 are provided at both ends of the base 1, and fixing holes 16 are provided on the extension pieces 15. The fixing holes 16 on the extension pieces 15 of the utility model can be used to install the base 1 on other components of the air conditioner.

[0030] like Figure 1 As shown, in this embodiment, in order to increase the heat dissipation area of ​​the utility model, the first fixing plate 2 and the second fixing plate 3 are made of aluminum alloy.

[0031] like Figure 2 As shown, in this embodiment, ventilation holes 17 are provided on one side of the upper sheet metal part 7 and one side of the lower sheet metal part 8, and the ventilation holes 17 can be used to reduce wind resistance and play a ventilation role.

[0032] Specifically, the upper guide rail 5 and the lower guide rail 6 of the present invention are guide groove structures.

[0033] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A PTC electric heating fixture for an air conditioner indoor unit, characterized in that: It includes a base, a first fixed plate, a second fixed plate, and a PTC electric heating component. The first fixed plate and the second fixed plate are installed on the base in a "V" shape. The first fixed plate and the second fixed plate are provided with an upper guide rail and a lower guide rail. The upper guide rail is arranged above the lower guide rail. The PTC electric heating component includes an upper sheet metal part, a lower sheet metal part and a plurality of heating elements. The plurality of heating elements are arranged between the upper sheet metal part and the lower sheet metal part. The upper sheet metal part can be slidably installed in the upper guide rail, and the lower sheet metal part can be slidably installed in the lower guide rail. Limiting folding edges are arranged on both sides of the upper sheet metal part and both sides of the lower sheet metal part.

2. A PTC electric heating fixture for an air conditioner indoor unit according to claim 1, characterized in that: Fixed columns are arranged at both ends between the upper sheet metal part and the lower sheet metal part.

3. A PTC electric heating fixture for an air conditioner indoor unit according to claim 1, characterized in that: A plurality of PTC electric heating installation holes are arranged on the upper sheet metal part and the lower sheet metal part.

4. A PTC electric heating fixture for an air conditioner indoor unit according to claim 1, characterized in that: Sealing sheet metal plates are arranged at the front and rear of the first fixing plate and the second fixing plate.

5. The PTC electric heating fixing device for an air conditioner indoor unit according to claim 1, characterized in that: Extension pieces are arranged at both ends of the base, and fixing holes are arranged on the extension pieces.

6. A PTC electric heating fixture for an air conditioner indoor unit according to claim 1, characterized in that: One side of the upper sheet metal part and one side of the lower sheet metal part are provided with ventilation holes.

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