Panel structure of duct type air conditioner and duct type air conditioner
By setting a detachable maintenance panel and display parts on the panel structure of the duct machine, the display parts are allowed to be directly removed from the front of the panel, which solves the problem of time-consuming and labor-intensive disassembly in the prior art, and improves maintenance efficiency and user experience.
Patent Information
- Application Number
- CN202420167190.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-23
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-01-23
AI Technical Summary
The display parts of the existing duct machine are installed on the back of the panel, which causes the entire panel assembly to be removed and rotated for easy disassembly during maintenance, which takes a long time and effort and affects the maintenance efficiency.
A duct machine panel structure is designed in which the air outlet panel and the display component are detachably connected, and a detachable maintenance panel is provided, allowing the display component to be directly removed from the front of the panel, simplifying the disassembly process.
By simplifying the disassembly of display components, the time and effort consumption of maintenance personnel is reduced, the maintenance efficiency is improved, and the user experience is improved.
Smart Images

Figure CN222364110U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household electrical appliances, in particular to a panel structure of a duct machine and the duct machine. Background Art
[0002] Duct air conditioners are household appliances commonly used in people's daily lives. The existing air outlet and display component are usually arranged on the same side of the duct air conditioner. The display component is used to display the operating status of the duct air conditioner, so that the user can see the operating status of the duct air conditioner displayed on the display surface through the front of the panel body.
[0003] However, when inspecting the display component, it is necessary to remove the display component. Since the display component is installed on the back of the panel body, the entire panel assembly needs to be removed from the indoor unit first, and then the panel assembly is rotated so that the back of the panel assembly faces the maintenance personnel. Finally, the display component can be removed for maintenance. It can be seen that when the display component needs to be inspected, the maintenance personnel need to spend a long time and effort to remove the display component, which affects the maintenance efficiency of the display component. Utility Model Content
[0004] The utility model provides a panel structure of a duct machine and the duct machine, which are used to solve the problem of time-consuming and labor-intensive disassembly of display components in the prior art.
[0005] According to the first aspect of the utility model, a panel structure of a duct air conditioner is provided, comprising: a panel frame; an air outlet panel, which is detachably connected to the panel frame, and the air outlet panel is provided with an air outlet area and a display area along a first direction; a display part, which is detachably connected to the panel frame and is arranged corresponding to the display area; a maintenance panel, which is detachably arranged in the display area and is arranged corresponding to the display part.
[0006] According to an implementation manner of the utility model, the display area and the air outlet area are arranged adjacent to each other, and the display area is close to one side end portion of the air outlet panel.
[0007] Specifically, this embodiment provides an implementation of a display area and an air outlet area.
[0008] According to an implementation manner of the utility model, at least the area of the maintenance plate corresponding to the display portion is a transparent area.
[0009] Specifically, this embodiment provides an implementation of a maintenance board.
[0010] According to an embodiment of the utility model, the maintenance plate is detachably connected to the panel frame and the air outlet panel respectively, and the maintenance plate is flush with the end surface of the air outlet panel away from the panel frame in the display area.
[0011] Specifically, this embodiment provides another implementation of a maintenance plate.
[0012] According to an embodiment of the utility model, a first guide column and a first clamping unit are respectively provided on two opposite sides of the maintenance plate; a connecting groove is provided at an end portion of the air outlet panel on a side of the display area away from the air outlet area, and the maintenance plate is connected to the air outlet panel by plugging and fitting between the first guide column and the connecting groove; a second clamping unit is provided on an end face of the panel frame close to the air outlet panel, and the maintenance plate is detachably connected to the panel frame by plugging and fitting between the first clamping unit and the second clamping unit.
[0013] Specifically, this embodiment provides an implementation of a maintenance plate and an air outlet panel.
[0014] According to an embodiment of the utility model, the display part is provided with a connecting ring and a third clamping unit, and the connecting ring and the third clamping unit are arranged on two opposite sides of the display part; the panel frame is provided with a mounting port for accommodating the display part; the inner walls on two opposite sides of the mounting port are provided with positioning columns and a fourth clamping unit; wherein, the positioning columns are arranged corresponding to the connecting ring, and the positioning columns are provided with internal threads, and the display part and the panel frame are detachably connected by connecting screws that pass through the connecting ring and the positioning columns in sequence; the display part and the panel frame are detachably connected by the third clamping unit and the fourth clamping unit.
[0015] Specifically, this embodiment provides an implementation of a display portion and a panel frame.
[0016] According to an embodiment of the utility model, a receiving groove communicating with the installation port is provided on the surface of the panel frame, and the positioning column is provided in the receiving groove.
[0017] Specifically, this embodiment provides an implementation of a receiving groove.
[0018] According to an implementation manner of the utility model, the positioning column is arranged on a side wall of the installation opening close to the air outlet area.
[0019] Specifically, this embodiment provides an implementation of a positioning column.
[0020] According to an embodiment of the utility model, the surface of the panel frame is provided with connecting holes and a fifth clip-on unit; a plurality of the connecting holes are arranged at intervals on the surface of the panel frame; a plurality of the fifth clip-on units are arranged on the surface of the panel frame facing the air outlet panel along the circumferential direction of the air outlet area; the air outlet panel is provided with a second guide column and a sixth clip-on unit; the second guide column is arranged on the surface of the air outlet panel in a one-to-one correspondence with the connecting holes; the sixth clip-on unit is arranged on the surface of the air outlet panel facing the panel frame along the circumferential direction of the air outlet area, and corresponds one-to-one with the fifth clip-on unit.
[0021] Specifically, this embodiment provides an implementation of a panel frame and an air outlet panel.
[0022] According to a second aspect of the utility model, a duct air conditioner is provided, which has the above-mentioned panel structure of the duct air conditioner.
[0023] One or more of the above-mentioned technical solutions in the present invention have at least one of the following technical effects: the present invention provides a panel structure of a duct air conditioner and a duct air conditioner, by setting a detachable maintenance panel on the air outlet panel, and setting the display part and the panel frame to be detachable. When inspecting the display part, the maintenance personnel can directly remove the display part from the front side of the panel body, without having to first remove the entire panel structure from the duct air conditioner, and then rotate the panel structure so that the back of the panel structure faces the maintenance personnel, and finally remove the display component for inspection. Compared with the prior art, due to the above-mentioned structural setting, the disassembly process of the display part is simplified, the time and effort spent by the maintenance personnel are reduced, and the maintenance efficiency of the display component can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] 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.
[0025] Figure 1 This is one of the schematic diagrams of the assembly relationship of the panel structure of the duct machine provided by the utility model;
[0026] Figure 2 This is the second schematic diagram of the assembly relationship of the panel structure of the duct air conditioner provided by the utility model;
[0027] Figure 3 This is the third schematic diagram of the assembly relationship of the panel structure of the duct air conditioner provided by the utility model;
[0028] Figure 4This is the fourth schematic diagram of the assembly relationship of the panel structure of the duct air conditioner provided by the utility model;
[0029] Figure 5 It is a schematic diagram of the structural relationship of the maintenance plate in the panel structure of the duct machine provided by the utility model;
[0030] Figure 6 It is a schematic diagram of the structural relationship of the air outlet panel in the panel structure of the air duct machine provided by the utility model;
[0031] Figure 7 This is one of the structural relationship diagrams of the panel frame in the panel structure of the duct air conditioner provided by the utility model;
[0032] Figure 8 This is the second schematic diagram of the structural relationship of the panel frame in the panel structure of the duct air conditioner provided by the utility model;
[0033] Fig. 9 This is one of the structural relationship diagrams of the display part in the panel structure of the duct machine provided by the utility model;
[0034] Fig.10 This is the second schematic diagram of the structural relationship of the display part in the panel structure of the duct air conditioner provided by the utility model.
[0035] Reference numerals:
[0036] 10. panel frame; 11. second clamping unit; 12. mounting opening; 13. positioning column; 14. fourth clamping unit; 15. receiving groove; 16. connecting hole; 17. fifth clamping unit;
[0037] 20. air outlet panel; 21. air outlet area; 22. display area; 23. connection slot; 24. second guide column; 25. sixth clamping unit;
[0038] 30. display unit; 31. connecting ring; 32. third clamping unit;
[0039] 40. Maintenance plate; 41. First guide column; 42. First clamping unit;
[0040] N. First direction. DETAILED DESCRIPTION
[0041] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.
[0042] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0043] The present invention will be described in detail below in conjunction with specific implementation methods.
[0044] In some specific embodiments of the present invention, Figures 1 to 10 As shown, the present solution provides a panel structure of a duct machine, comprising: a panel frame 10; an air outlet panel 20, which is detachably connected to the panel frame 10, and the air outlet panel 20 is provided with an air outlet area 21 and a display area 22 along a first direction N; a display unit 30, which is detachably connected to the panel frame 10 and is provided corresponding to the display area 22; a maintenance panel 40, which is detachably provided in the display area 22 and is provided corresponding to the display unit 30.
[0045] It should be noted that by providing a detachable maintenance panel 40 on the air outlet panel 20 and arranging the display unit 30 and the panel frame 10 to be detachably connected, when disassembly is required during use, the user or maintenance personnel can operate the display unit 30 from the front of the duct machine, and disassemble the maintenance panel 40 and the display unit 30 from the front of the duct machine, ensuring that the maintenance personnel or users can operate from the front, simplifying the disassembly process of the display unit 30, reducing the time and effort spent by maintenance personnel, reducing the difficulty of operation and maintenance costs, and improving the maintenance efficiency of the display unit 30.
[0046] In some possible implementations of the present invention, the display area 22 and the air outlet area 21 are disposed adjacent to each other, and the display area 22 is close to one side end of the air outlet panel 20 .
[0047] Specifically, this embodiment provides an implementation method of a display area 22 and an air outlet area 21, in which the display area 22 and the air outlet area 21 are arranged adjacent to each other, so that the air outlet area 21 can obtain a larger air outlet area. At the same time, the setting of the display area 22 enables the user to know the relevant operating conditions of the duct machine from the front end of the duct machine, and maintenance personnel can also disassemble and repair the display unit 30 from the front, which improves the user experience while improving the maintenance efficiency and avoiding the problem of overall disassembly.
[0048] In some possible implementations of the present invention, at least the area of the maintenance plate 40 corresponding to the display portion 30 is a transparent area.
[0049] Specifically, this embodiment provides an implementation of a maintenance plate 40, which can prevent the user from directly contacting the display surface of the display unit 30, thereby protecting the display surface of the display unit 30. At the same time, the maintenance plate 40 is at least partially set as a transparent area, which also facilitates the user to observe the content displayed on the display unit 30.
[0050] In a possible embodiment, the maintenance plate 40 is made of a material selected from the group consisting of glass, acrylic plastic and resin.
[0051] In some possible implementations of the present invention, the maintenance plate 40 is detachably connected to the panel frame 10 and the air outlet panel 20 , respectively, and the maintenance plate 40 is within the display area 22 and flush with the end surface of the air outlet panel 20 away from the panel frame 10 .
[0052] Specifically, this embodiment provides another implementation of the maintenance plate 40, in which the maintenance plate 40 is arranged in the display area 22, and the maintenance plate 40 after installation is flush with the end face of the air outlet panel 20 away from the panel frame 10, so that the maintenance plate 40 and the surface of the air outlet panel 20 can form a whole, thereby ensuring the overall integrity of the air outlet panel 20 and improving the aesthetic appearance.
[0053] In some possible embodiments of the utility model, a first guide column 41 and a first snap-in unit 42 are respectively provided on two opposite sides of the maintenance plate 40; a connecting groove 23 is provided at the end of the display area 22 on the side away from the air outlet area 21 of the air outlet panel 20, and the maintenance plate 40 is connected to the air outlet panel 20 by plugging and fitting between the first guide column 41 and the connecting groove 23; a second snap-in unit 11 is provided on the end face of the panel frame 10 close to the air outlet panel 20, and the maintenance plate 40 is detachably connected to the panel frame 10 by snapping and fitting between the first snap-in unit 42 and the second snap-in unit 11.
[0054] Specifically, this embodiment provides an implementation method of a maintenance plate 40 and an air outlet panel 20, wherein a first guide column 41 and a first snap-in unit 42 are respectively provided on two opposite sides of the maintenance plate 40, and the maintenance plate 40 utilizes the first guide column 41 to be plugged into and matched with the connecting groove 23 on the air outlet panel 20 to achieve directional guidance; at the same time, the maintenance plate 40 utilizes the first snap-in unit 42 to be snap-fitted with the second snap-in unit 11 provided on the inner side of the panel frame 10, thereby enabling the maintenance plate 40 to achieve a detachable connection.
[0055] Furthermore, the connection slot 23 of the air outlet panel 20 is a slot structure arranged on the inner side, and is plug-fitted with the first guide column 41 of the maintenance plate 40 .
[0056] Furthermore, the maintenance plate 40 and the panel frame 10 are snap-fitted to ensure a stable connection of the maintenance plate 40 .
[0057] It should be noted that the pair of snap-fitting units involved in the present invention can be understood as one snap-fitting male buckle and one snap-fitting female buckle. Through the snap-fitting of the male buckle and the female buckle, a detachable connection of the pair of snap-fitting units is achieved.
[0058] In some possible embodiments of the utility model, the display unit 30 is provided with a connecting ring 31 and a third clamping unit 32, and the connecting ring 31 and the third clamping unit 32 are arranged on two opposite sides of the display unit 30; the panel frame 10 is provided with a mounting opening 12 for accommodating the display unit 30; the inner walls on both sides opposite to the mounting opening 12 are provided with positioning columns 13 and a fourth clamping unit 14; wherein the positioning columns 13 are arranged corresponding to the connecting ring 31, and an internal thread is arranged in the positioning columns 13, and the display unit 30 and the panel frame 10 are detachably connected by connecting screws that pass through the connecting ring 31 and the positioning columns 13 in sequence; the display unit 30 and the panel frame 10 are detachably connected by the third clamping unit 32 and the fourth clamping unit 14.
[0059] Specifically, the present embodiment provides an implementation of a display unit 30 and a panel frame 10, wherein the display unit 30 is positioned on the panel frame 10 through a mounting opening 12 on the panel frame 10, and at the same time, through the setting of the mounting opening 12, the display unit 30 can be partially accommodated in the panel frame 10, thereby avoiding the problem of the display unit 30 occupying too much of the air outlet panel 20, thereby causing an incomplete outer end surface of the air outlet panel 20, thereby ensuring the aesthetic appearance of the air outlet panel 20.
[0060] Furthermore, a connecting ring 31 and a third clamping unit 32 are provided on two opposite sides of the display part 30. The connecting ring 31 is a through-hole ring. The display part 30 is correspondingly matched with the positioning column 13 through the connecting ring 31, and the threaded connection between the connecting screw and the internal thread of the positioning column 13 is utilized to realize detachable matching.
[0061] Furthermore, the display portion 30 is engaged with the fourth latch in the panel frame 10 through the third latch unit 32 , so that the display portion 30 can be stably mounted in the mounting opening 12 and detachably connected to the panel frame 10 .
[0062] In some possible implementations of the present invention, a receiving groove 15 communicating with the mounting opening 12 is disposed on the surface of the panel frame 10 , and the positioning column 13 is disposed in the receiving groove 15 .
[0063] Specifically, this embodiment provides an implementation of the accommodating groove 15. The setting of the accommodating groove 15, on the one hand, facilitates the accommodation of the positioning column 13, so that the display unit 30 can obtain a stable connection at the installation port 12. On the other hand, the accommodating groove 15 releases the installation position between the display unit 30 and the panel frame 10, avoiding the display unit 30 from occupying more space of the air outlet panel 20, thereby ensuring the beauty of the outer end surface of the air outlet panel 20.
[0064] In some possible implementations of the present invention, the positioning column 13 is disposed on a side wall of the installation opening 12 close to the air outlet area 21 .
[0065] Specifically, this embodiment provides an implementation of a positioning column 13 , in which the positioning column 13 is disposed on a side close to the air outlet area 21 , so as to facilitate operation by maintenance personnel and increase the operating space for disassembly, installation and maintenance.
[0066] In some possible embodiments of the present invention, the surface of the panel frame 10 is provided with connecting holes 16 and a fifth clip-on unit 17; a plurality of connecting holes 16 are arranged at intervals on the surface of the panel frame 10; a plurality of fifth clip-on units 17 are arranged on the surface of the panel frame 10 facing the air outlet panel 20 along the circumferential direction of the air outlet area 21; the air outlet panel 20 is provided with a second guide column 24 and a sixth clip-on unit 25; the second guide column 24 is arranged on the surface of the air outlet panel 20, one-to-one corresponding to the connecting holes 16; the sixth clip-on unit 25 is arranged on the surface of the air outlet panel 20 facing the panel frame 10 along the circumferential direction of the air outlet area 21, and corresponds one-to-one to the fifth clip-on unit 17.
[0067] Specifically, this embodiment provides an implementation of a panel frame 10 and an air outlet panel 20 , and the panel frame 10 and the air outlet panel 20 are also detachably connected.
[0068] In detail, the panel frame 10 is provided with connecting holes 16 and a fifth snap-in unit 17 around it, and the air outlet panel 20 is provided with a second guide column 24 plugged into the connecting hole 16, and a sixth snap-in unit 25 snap-fitted into the fifth snap-in unit 17. This arrangement enables a detachable connection between the panel frame 10 and the air outlet panel 20. When the air outlet panel 20 needs to be disassembled as a whole, the air outlet panel 20 can be removed as a whole from the panel frame 10.
[0069] In some specific embodiments of the present invention, Figures 1 to 10 As shown, the present solution provides a duct air conditioner having the above-mentioned panel structure of the duct air conditioner.
[0070] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0071] 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.
[0072] 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.
[0073] Finally, it should be noted that the above implementation modes are only used to illustrate the present invention, rather than to limit the present invention. Although the present invention is described in detail with reference to the embodiments, a person skilled in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the present invention do not deviate from the spirit and scope of the technical solutions of the present invention, and should be included in the scope of the claims of the present invention.
Claims
1. A panel structure of a duct machine, characterized in that: include: Panel frame (10); An air outlet panel (20) is detachably connected to the panel frame (10), and the air outlet panel (20) is provided with an air outlet area (21) and a display area (22) along a first direction (N); A display unit (30) detachably connected to the panel frame (10) and arranged corresponding to the display area (22); A maintenance panel (40) is detachably disposed in the display area (22) and is disposed corresponding to the display portion (30).
2. The panel structure of the air duct machine according to claim 1, characterized in that: The display area (22) and the air outlet area (21) are arranged adjacent to each other, and the display area (22) is close to one side end of the air outlet panel (20).
3. The panel structure of the duct machine according to claim 1, characterized in that: At least the area of the maintenance plate (40) corresponding to the display unit (30) is a transparent area.
4. The panel structure of the duct machine according to claim 1, characterized in that: The maintenance plate (40) is detachably connected to the panel frame (10) and the air outlet panel (20), respectively, and the maintenance plate (40) is within the display area (22) and is flush with the end surface of the air outlet panel (20) on a side away from the panel frame (10).
5. The panel structure of the air duct machine according to claim 4, characterized in that: The maintenance plate (40) is provided with first guide columns (41) and first clamping units (42) on two opposite sides thereof; The air outlet panel (20) is provided with a connection groove (23) at an end portion of the display area (22) away from the air outlet area (21), and the maintenance plate (40) is connected to the air outlet panel (20) by plugging and fitting the first guide column (41) and the connection groove (23); A second snap-in unit (11) is provided on the end surface of the panel frame (10) close to the air outlet panel (20), and the maintenance plate (40) is detachably connected to the panel frame (10) through snap-fitting of the first snap-in unit (42) and the second snap-in unit (11).
6. The panel structure of the air duct machine according to any one of claims 1 to 5, characterized in that: The display portion (30) is provided with a connecting ring (31) and a third clamping unit (32), and the connecting ring (31) and the third clamping unit (32) are arranged on two opposite sides of the display portion (30); The panel frame (10) is provided with a mounting opening (12) for accommodating the display unit (30); Positioning columns (13) and a fourth clamping unit (14) are provided on the inner walls on two opposite sides of the installation opening (12); The positioning column (13) is arranged corresponding to the connecting ring (31), an internal thread is arranged in the positioning column (13), and the display unit (30) and the panel frame (10) are detachably connected by connecting screws that pass through the connecting ring (31) and the positioning column (13) in sequence; The display unit (30) and the panel frame (10) are detachably connected via the third clamping unit (32) and the fourth clamping unit (14).
7. The panel structure of the air duct machine according to claim 6, characterized in that: The surface of the panel frame (10) is provided with a receiving groove (15) which is in communication with the mounting opening (12), and the positioning column (13) is arranged in the receiving groove (15).
8. The panel structure of the air duct machine according to claim 6, characterized in that: The positioning column (13) is arranged on a side wall of the installation opening (12) close to the air outlet area (21).
9. The panel structure of the air duct machine according to any one of claims 1 to 5, characterized in that: The surface of the panel frame (10) is provided with a connection hole (16) and a fifth clamping unit (17); A plurality of connection holes (16) are arranged at intervals on the surface of the panel frame (10); A plurality of the fifth clamping units (17) are arranged on a surface of the panel frame (10) facing the air outlet panel (20) along the circumferential direction of the air outlet area (21); The air outlet panel (20) is provided with a second guide column (24) and a sixth clamping unit (25); The second guide columns (24) are arranged on the surface of the air outlet panel (20) in one-to-one correspondence with the connection holes (16); The sixth clamping unit (25) is arranged on the surface of the air outlet panel (20) facing the panel frame (10) along the circumferential direction of the air outlet area (21), and corresponds one-to-one with the fifth clamping unit (17).
10. A duct machine, characterized in that: A panel structure of a duct machine as claimed in any one of claims 1 to 9.