Power supply assembly of LED display device and LED display device with same

Abstract

The utility model provides a kind of power supply assembly of LED display device and the LED display device with it, wherein, the power supply assembly of LED display device includes: power supply box;Power supply is detachably arranged on power supply box, power supply has shell and circuit board being arranged in shell, first avoiding part is arranged on shell;Adapter plate is detachably arranged between power supply box and power supply;Power supply connecting piece, power supply is detachably connected with adapter plate by power supply connecting piece, the first end of power supply connecting piece is connected with adapter plate, the second end of power supply connecting piece is detachably connected with circuit board, and circuit board supplies power to adapter plate by power supply connecting piece;Fastener, connect circuit board and power supply connecting piece, first avoiding part is used to avoid fastener.The technical scheme of the application effectively solves the problem that adapter plate and power supply can only be removed together in related art when adapter plate and power supply are removed.

Description

Technical Field

[0001] This utility model relates to the field of LED display device technology, and more specifically, to a power supply component for an LED display device and an LED display device having the same. Background Technology

[0002] LED display devices generally consist of a frame, a display screen, and a power supply. Both the display screen and the power supply are mounted on the frame. The power supply assembly includes a power supply box, a power supply unit, and an adapter board; the power supply unit and the adapter board are both housed within the power supply box.

[0003] In the existing technology, when assembling the power supply assembly, the power supply is first connected to the adapter board, and then the power supply and the adapter board are installed as a whole into the power supply box. This means that when disassembling the power supply, the power supply and the adapter board can only be disassembled together, which makes disassembly inconvenient. Utility Model Content

[0004] The main objective of this invention is to provide a power supply component for an LED display device and an LED display device having the same, so as to solve the problem in related technologies that when disassembling the adapter board and the power supply, only the adapter board and the power supply can be removed together.

[0005] To achieve the above objectives, according to one aspect of the present invention, a power supply assembly for an LED display device is provided, comprising: a power supply box; a power supply detachably disposed on the power supply box, the power supply having a housing and a circuit board disposed within the housing, the housing having a first clearance portion; an adapter plate detachably disposed on the power supply box and located between the power supply box and the power supply; a power supply connector, the power supply being detachably connected to the adapter plate via the power supply connector, a first end of the power supply connector being connected to the adapter plate, a second end of the power supply connector being detachably connected to the circuit board, the circuit board supplying power to the adapter plate via the power supply connector; and a fastener connecting the circuit board and the power supply connector, the first clearance portion being used to avoid the fastener.

[0006] Furthermore, the first end of the fastener is connected to the power supply connector, and the second end of the fastener is located inside the housing.

[0007] Furthermore, the first clearance portion is a clearance through hole, and / or, the first end of the power supply connector is fixedly connected to the adapter plate.

[0008] Furthermore, the first clearance portion includes a plurality of spaced-apart parts, the power supply connector includes a plurality of spaced-apart parts, the fastener includes a plurality of spaced-apart parts, the plurality of first clearance portions, the plurality of power supply connectors and the plurality of fasteners are arranged in a one-to-one correspondence, and / or, the housing has a receiving cavity, the housing includes a first housing and a second housing nested and connected to the first housing, the first housing and the second housing form a receiving cavity, and the circuit board is disposed in the receiving cavity.

[0009] Furthermore, the power supply assembly of the LED display device also includes a fixing structure, one end of which is connected to the power supply box, and the other end of which is detachably connected to the housing.

[0010] Furthermore, the fixing structure includes a fixing post and a fixing nail. The first end of the fixing post is connected to the power supply box, the first end of the fixing nail is connected to the second end of the fixing post, and the second end of the fixing nail abuts against the outer surface of the housing.

[0011] Furthermore, the fixing post is provided with a first threaded portion, and the fixing pin is provided with a second threaded portion, with the first threaded portion and the second threaded portion being threadedly engaged.

[0012] Furthermore, a second clearance portion is provided on the outer casing to avoid the fixing pin.

[0013] Furthermore, the second clearance portion is an open through groove, the opening of which penetrates the outer side of the outer shell, and / or the outer shell includes a first housing, the first housing including a first plate, a second plate and a third plate connected in sequence, the first plate and the second plate being set at an angle, the second plate and the third plate being set at an angle, the second plate having a protrusion protruding from the end of the first plate, and the second clearance portion being disposed on the protrusion.

[0014] According to another aspect of the present invention, an LED display device is provided, including a power supply component for the LED display device, wherein the power supply component for the LED display device is the power supply component for the LED display device described above.

[0015] According to the technical solution of this utility model, the power supply assembly of an LED display device includes a power supply box, a power supply, an adapter board, a power supply connector, and fasteners. The power supply is detachably mounted on the power supply box, facilitating its installation and maintenance. The outer casing can fix the position of the circuit board. The adapter board can realize functions such as data transmission expansion, signal distribution, signal conversion, and signal amplification. The adapter board is detachably mounted on the power supply box, facilitating its installation and maintenance. The power supply connector can transmit the current provided by the power supply to the adapter board, enabling the adapter board to operate. Using the power supply connector to supply power to the adapter board can save on the power supply wiring of the adapter board, resulting in a neater layout and reducing the cost of the power supply assembly of the LED display device. The second end of the power supply connector is detachably connected to the circuit board, facilitating the separation of the power supply from the adapter board. This allows the power supply to be removed even when the adapter board is connected to the power supply box; that is, when disassembling the power supply and adapter board, the power supply can be separated from the adapter board after removing the fasteners. The fasteners not only connect the circuit board and the power supply connector, but also allow the circuit board to be separated from the power supply connector after the fasteners are removed, thus making the assembly and disassembly of the circuit board and the power supply connector more convenient. The first clearance portion can avoid the fasteners, allowing the fasteners to pass through the housing and connect with the adapter board and the power supply connector. Therefore, the technical solution of this application effectively solves the problem in related technologies where, when disassembling the adapter board and the power supply, only the adapter board and the power supply can be removed together. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A perspective structural schematic diagram of an embodiment of the power supply assembly of an LED display device according to the present invention is shown;

[0018] Figure 2 It shows Figure 1 A partially enlarged schematic diagram of point A of the power supply component of the LED display device;

[0019] Figure 3 It shows Figure 1 A cross-sectional schematic diagram of the first position of the power supply assembly of the LED display device;

[0020] Figure 4 It shows Figure 1 A cross-sectional schematic diagram of the second position of the power supply assembly of the LED display device;

[0021] Figure 5 It shows Figure 1 A three-dimensional structural diagram of the power supply component of the LED display device;

[0022] Figure 6 It shows Figure 1 A three-dimensional structural diagram of the power supply assembly of an LED display device when the power supply is connected to the adapter board.

[0023] The above figures include the following reference numerals:

[0024] 10. Power supply box; 20. Power supply; 21. Housing; 211. First clearance part; 2111. Clearance through hole; 212. Receiving cavity; 213. First housing; 2131. First plate; 2132. Second plate; 21321. Protrusion; 2133. Third plate; 214. Second housing; 215. Second clearance part; 2151. Opening through slot; 22. Circuit board; 30. Adapter plate; 40. Power supply connector; 50. Fastener; 60. Fixing structure; 61. Fixing post; 62. Fixing nail. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0027] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0028] like Figure 1 , Figure 2 as well as Figure 6 As shown, the power supply assembly of the LED display device in this embodiment includes: a power supply box 10, a power supply 20, an adapter plate 30, a power supply connector 40, and a fastener 50. The power supply 20 is detachably mounted on the power supply box 10. The power supply 20 has a housing 21 and a circuit board 22 disposed within the housing 21. A first clearance portion 211 is provided on the housing 21. The adapter plate 30 is detachably mounted on the power supply box 10 and located between the power supply box 10 and the power supply 20. The power supply 20 is detachably connected to the adapter plate 30 via the power supply connector 40. A first end of the power supply connector 40 is connected to the adapter plate 30, and a second end of the power supply connector 40 is detachably connected to the circuit board 22. The circuit board 22 supplies power to the adapter plate 30 via the power supply connector 40. The fastener 50 connects the circuit board 22 and the power supply connector 40. The first clearance portion 211 is used to avoid the fastener 50.

[0029] Using the technical solution of this embodiment, the power supply assembly of the LED display device includes a power supply box 10, a power supply 20, an adapter board 30, a power supply connector 40, and fasteners 50. The power supply 20 is detachably mounted on the power supply box 10, facilitating its installation and maintenance. The housing 21 can fix the position of the circuit board 22. The adapter board 30 can realize functions such as data transmission expansion, signal distribution, signal conversion, and signal amplification. The adapter board 30 is detachably mounted on the power supply box 10, facilitating its installation and maintenance. The power supply connector 40 can transmit the current provided by the power supply 20 to the adapter board 30, enabling the adapter board 30 to operate. Using the power supply connector 40 to supply power to the adapter board 30 can save on the power supply wiring of the adapter board 30, resulting in a neater layout and reducing the cost of the power supply assembly of the LED display device. The second end of the power supply connector 40 is detachably connected to the circuit board 22, facilitating the separation of the power supply 20 from the adapter board 30. This allows the power supply 20 to be removed even when the adapter board 30 is connected to the power supply box 10. Specifically, when disassembling the power supply 20 and adapter board 30, the power supply 20 can be separated from the adapter board 30 after removing the fastener 50. The fastener 50 not only connects the circuit board 22 and the power supply connector 40 but also allows the circuit board 22 to be separated from the power supply connector 40 after removing the fastener 50, making the assembly and disassembly of the circuit board 22 and the power supply connector 40 more convenient. The first clearance portion 211 can avoid the fastener 50, allowing the fastener 50 to pass through the housing 21 and connect with the adapter board 30 and the power supply connector 40. Therefore, the technical solution of this embodiment effectively solves the problem in related technologies where only the adapter board and the power supply can be removed together when disassembling the adapter board and the power supply.

[0030] It should be noted that the power supply connector 40 includes connecting posts. The material of the power supply connector 40 is copper, but it can also be made of other conductive materials. The adapter board 30 is a HUB board. The circuit board 22 is a PCB board.

[0031] The axial direction of the power supply connector 40 is parallel to the direction from the power supply 20 to the adapter plate 30.

[0032] The power supply box 10 has an installation space within which the power supply 20, adapter plate 30, power supply connector 40, fastener 50, and fixing structure 60 are all housed. During maintenance by opening the box, because the power supply 20 is located inside the power supply box 10, the power cable supplying the power supply 20 does not swing, thus preventing poor contact at the terminals.

[0033] Specifically, the power supply 20 includes two power supplies spaced apart and connected in parallel. The direction from one power supply 20 to the other is perpendicular to the axial direction of the power supply connector 40.

[0034] Except for the end of the power supply connector 40 that connects to the adapter plate 30, which is cylindrical, the cross-section of the rest of the structure is polygonal. In this embodiment, the cross-section of the rest of the structure of the power supply connector 40 is hexagonal.

[0035] like Figure 2 and Figure 4 As shown, in this embodiment, the first end of the fastener 50 is connected to the power supply connector 40, and the second end of the fastener 50 is located inside the housing 21. With the above arrangement, after the fastener 50 is connected to the power supply connector 40, the second end of the fastener 50 will not protrude from the housing 21, so that the fastener 50 will not occupy space outside the housing 21.

[0036] It should be noted that the second end of the fastener 50 abuts against the surface of the circuit board 22.

[0037] like Figure 2 and Figure 6 As shown, in this embodiment, the first clearance portion 211 is a clearance through hole 2111. The first end of the power supply connector 40 is fixedly connected to the adapter plate 30. The clearance through hole 2111 can avoid the fastener 50. The fixed connection between the first end of the power supply connector 40 and the adapter plate 30 makes the connection between the power supply connector 40 and the adapter plate 30 more stable.

[0038] It should be noted that the first end of the power supply connector 40 is fixedly connected to the adapter plate 30, meaning that the first end of the power supply connector 40 is welded to the adapter plate 30.

[0039] The diameter of the clearance through hole 2111 is greater than the maximum outer diameter of the fastener 50.

[0040] like Figure 2 , Figure 4 as well as Figure 5 As shown, in this embodiment, the first clearance portion 211 includes multiple spaced-apart parts, the power supply connector 40 includes multiple spaced-apart parts, and the fastener 50 includes multiple spaced-apart parts. The multiple first clearance portions 211, multiple power supply connectors 40, and multiple fasteners 50 are arranged in a one-to-one correspondence. The outer shell 21 has a receiving cavity 212, including a first shell 213 and a second shell 214 nested and connected to the first shell 213. The first shell 213 and the second shell 214 form the receiving cavity 212, and the circuit board 22 is disposed within the receiving cavity 212. The multiple first clearance portions 211, multiple power supply connectors 40, and multiple fasteners 50 enable a more stable connection between the adapter plate 30 and the circuit board 22. The nested arrangement of the first shell 213 and the second shell 214 further stabilizes the connection. The receiving cavity 212 can accommodate the circuit board 22.

[0041] like Figures 2 to 5As shown, in this embodiment, the power supply assembly of the LED display device further includes a fixing structure 60. One end of the fixing structure 60 is connected to the power supply box 10, and the other end of the fixing structure 60 is detachably connected to the housing 21. The power supply box 10 and the housing 21 can be connected via the fixing structure 60. The detachable connection of the other end of the fixing structure 60 to the housing 21 facilitates the installation of the housing 21 onto the power supply box 10, or the removal of the housing 21 from the power supply box 10.

[0042] like Figures 2 to 5 As shown, in this embodiment, the fixing structure 60 includes a fixing post 61 and a fixing pin 62. The first end of the fixing post 61 is connected to the power supply box 10, and the first end of the fixing pin 62 is connected to the second end of the fixing post 61. The second end of the fixing pin 62 abuts against the outer surface of the outer casing 21. The fixing post 61 and the fixing pin 62 connect the power supply box 10 and the outer casing 21. The second end of the fixing pin 62 abuts against the outer surface of the outer casing 21, thus allowing the fixing pin 62 to fix the outer casing 21 to the power supply box 10.

[0043] It should be noted that the axis of the fixing post 61 is parallel to the axis of the power supply connector 40. Using the fixing post 61 to fix the power supply 20 saves on the cost of the power supply mounting plate. The fixing post 61 is made of copper, but other materials can also be used.

[0044] like Figure 2 As shown, in this embodiment, the fixing post 61 is provided with a first threaded portion, and the fixing pin 62 is provided with a second threaded portion, with the first threaded portion and the second threaded portion threadedly engaged. The fixing pin 62 can be connected to the fixing post 61 through the first threaded portion and the second threaded portion.

[0045] like Figure 2 and Figure 5 As shown, in this embodiment, a second clearance portion 215 is provided on the outer casing 21 to avoid the fixing pin 62. The fixing pin 62 can pass through the second clearance portion 215 and connect with the fixing post 61.

[0046] It should be noted that the adapter plate 30 is provided with a third clearance part, through which the fixing post 61 passes and connects to the power supply box 10. A step is provided on the outer surface of the fixing post 61, and the adapter plate 30 abuts against the step.

[0047] Except for the end of the fixed column 61 that connects to the adapter plate 30, which is cylindrical, the cross-section of the rest of the structure is polygonal. In this embodiment, the cross-section of the rest of the fixed column 61 is hexagonal.

[0048] like Figure 2 and Figure 5As shown, in this embodiment, the second clearance portion 215 is an open through groove 2151, the opening of which penetrates the outer surface of the outer shell 21. The outer shell 21 includes a first housing 213, which includes a first plate 2131, a second plate 2132, and a third plate 2133 connected in sequence. The first plate 2131 and the second plate 2132 are set at an angle to each other, and the second plate 2132 and the third plate 2133 are set at an angle to each other. The second plate 2132 has a protrusion 21321 protruding from the end of the first plate 2131, and the second clearance portion 215 is disposed on the protrusion 21321. The open through groove 2151 not only allows the fixing pin 62 to pass through the outer shell 21, but also allows the relative position of the outer shell 21 and the fixing post 61 to be adjusted, facilitating the connection of the outer shell 21 and the fixing post 61 by the fixing pin 62.

[0049] It should be noted that the open through groove 2151 is a U-shaped groove. The protrusion is a protruding plate.

[0050] The first plate 2131, the second plate 2132, and the third plate 2133 form a U-shaped structure. A first angle is formed between the first plate 2131 and the second plate 2132, which is greater than or equal to 80° and less than or equal to 120°. A second angle is formed between the second plate 2132 and the third plate 2133, which is greater than or equal to 80° and less than or equal to 120°. In this embodiment, the first plate 2131 and the second plate 2132 are perpendicularly arranged, and the second plate 2132 and the third plate 2133 are also perpendicularly arranged.

[0051] The second housing 214 includes a fourth plate, a fifth plate, and a sixth plate connected sequentially. The fourth and fifth plates are angled together, and the fifth and sixth plates are also angled together. The fourth, fifth, and sixth plates form a U-shaped structure. The fourth and fifth plates have a third included angle, greater than or equal to 60° and less than or equal to 100°. The fifth and sixth plates have a fourth included angle, greater than or equal to 60° and less than or equal to 100°. In this embodiment, the fourth and fifth plates are perpendicularly arranged, and the fifth and sixth plates are also perpendicularly arranged.

[0052] The second housing is located between the first plate 2131 and the third plate 2133. The fourth plate is fitted to the first plate 2131 and connected to the first plate 2131 by screws. The sixth plate is fitted to the third plate 2133 and connected to the third plate 2133 by screws.

[0053] The LED display device of this embodiment includes a power supply component for the LED display device, which is the power supply component for the LED display device described above. When disassembling the power supply 20 and adapter plate 30 of the power supply component of the LED display device described above, the power supply 20 and adapter plate 30 can be separated by removing the fastener 50, solving the problem in the prior art where only the power supply and adapter plate can be disassembled together. The LED display device having the power supply component described above also has the aforementioned advantages.

[0054] In the description of this utility model, it should be understood that "multiple" means a quantity of two or more. Directional terms such as "front, back, up, down, left, right," "horizontal, vertical, perpendicular, horizontal," and "top, bottom" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are used solely for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner or outer contours relative to the outline of each component itself.

[0055] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0056] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0057] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A power supply assembly for an LED display device, characterized in that, include: Power supply box (10); A power supply (20) is detachably mounted on the power supply box (10). The power supply (20) has a housing (21) and a circuit board (22) disposed inside the housing (21). A first clearance portion (211) is provided on the housing (21). The adapter plate (30) is detachably mounted on the power box (10) and located between the power box (10) and the power supply (20); A power supply connector (40) is provided, wherein the power supply (20) is detachably connected to the adapter plate (30) via the power supply connector (40), the first end of the power supply connector (40) is connected to the adapter plate (30), and the second end of the power supply connector (40) is detachably connected to the circuit board (22), and the circuit board (22) supplies power to the adapter plate (30) via the power supply connector (40). Fastener (50) connects the circuit board (22) and the power supply connector (40), and the first clearance part (211) is used to avoid the fastener (50).

2. The power supply assembly of the LED display device according to claim 1, characterized in that, The first end of the fastener (50) is connected to the power supply connector (40), and the second end of the fastener (50) is located inside the housing (21).

3. The power supply assembly of the LED display device according to claim 1 or 2, characterized in that, The first clearance part (211) is a clearance through hole (2111), and / or, the first end of the power supply connector (40) is fixedly connected to the adapter plate (30).

4. The power supply assembly of the LED display device according to claim 1 or 2, characterized in that, The first clearance portion (211) includes a plurality of spaced-apart parts, the power supply connector (40) includes a plurality of spaced-apart parts, the fastener (50) includes a plurality of spaced-apart parts, the plurality of first clearance portions (211), the plurality of power supply connectors (40) and the plurality of fasteners (50) are arranged in a one-to-one correspondence, and / or, the housing (21) has a receiving cavity (212), the housing (21) includes a first housing (213) and a second housing (214) nested and connected to the first housing (213), the first housing (213) and the second housing (214) form a receiving cavity (212), and the circuit board (22) is disposed in the receiving cavity (212).

5. The power supply assembly of the LED display device according to claim 1 or 2, characterized in that, The power supply assembly of the LED display device also includes a fixing structure (60), one end of which is connected to the power supply box (10), and the other end of which is detachably connected to the outer shell (21).

6. The power supply assembly of the LED display device according to claim 5, characterized in that, The fixing structure (60) includes a fixing post (61) and a fixing nail (62). The first end of the fixing post (61) is connected to the power box (10), the first end of the fixing nail (62) is connected to the second end of the fixing post (61), and the second end of the fixing nail (62) abuts against the outer surface of the outer shell (21).

7. The power supply assembly of the LED display device according to claim 6, characterized in that, The fixing post (61) is provided with a first threaded part, and the fixing nail (62) is provided with a second threaded part, and the first threaded part and the second threaded part are threadedly engaged.

8. The power supply assembly of the LED display device according to claim 6, characterized in that, The outer casing (21) is provided with a second clearance part (215) for avoiding the fixing nail (62).

9. The power supply assembly of the LED display device according to claim 8, characterized in that, The second clearance portion (215) is an open through groove (2151), the opening of which penetrates the outer side of the outer shell (21), and / or the outer shell (21) includes a first shell (213), which includes a first plate (2131), a second plate (2132), and a third plate (2133) connected in sequence. The first plate (2131) and the second plate (2132) are set at an angle to each other, and the second plate (2132) and the third plate (2133) are set at an angle to each other. The second plate (2132) has a protrusion (21321) protruding from the end of the first plate (2131), and the second clearance portion (215) is disposed on the protrusion (21321).

10. An LED display device, comprising a power supply assembly for the LED display device, characterized in that, The power supply component of the LED display device is the power supply component of the LED display device according to any one of claims 1 to 9.

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