Portable charging box

Abstract

The utility model discloses a portable charging box, which belongs to the technical field of electric power equipment and comprises a first box body and a second box body which are rotatably connected, a panel is arranged in the first box body, a plurality of different types of battery holders are arranged on the top surface of the panel and used for mounting batteries so as to adapt to the batteries of different types, and the first box body and the second box body are connected through a wire. An output interface is further arranged on the side wall face of the first box body and used for supplying power to external equipment by being externally connected with different types of adapter cables or charging bases, good universality and compatibility are achieved, meanwhile, the second box body is made of carbon fibers, the first box body and the panel are made of aluminum alloy materials, heat dissipation holes are further formed in the panel, and therefore the heat dissipation performance is improved. The overall structure is light while the structural strength and the heat dissipation function are guaranteed. Furthermore, the position structures of the panel and all parts in the first box body are adjusted, so that the charging box is compact in overall structure, a handle is arranged on the first box body, the charging box can be carried by a single person, and the charging box has a good application prospect.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment, and in particular relates to a portable charging box. Background Art

[0002] With the development of various types of electrical equipment, users' requirements for the safety, versatility, portability and compatibility of charging equipment are gradually increasing. This means that the equipment not only needs to have stable and reliable performance and be compatible with charging of various battery models, but also needs to be lighter, occupy a smaller area and be easy to carry.

[0003] Although there are currently existing battery charging devices that can be used for charging and discharging, fault detection and other maintenance and management work on a variety of lithium-ion batteries, they are large in size and heavy in weight, making them difficult to carry. Most of the small and light battery charging devices can only be adapted to one type of battery, which cannot meet the compatibility requirements of users.

[0004] Therefore, there is an urgent need for a portable charging device that can perform batch centralized charging of multiple batteries of various models. Utility Model Content

[0005] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a portable charging box to realize batch centralized charging processing of multiple batteries of various models.

[0006] To achieve the above object, the utility model provides a portable charging box, which includes a first box body and a panel arranged on the first box body, wherein a plurality of battery holders are integrated on the panel for installing batteries of various models;

[0007] An input interface is provided on the side wall surface of the first box body, and the input interface is electrically connected to the battery holder and is used to access a power source to charge the battery installed on the battery holder.

[0008] As a further improvement of the utility model, various functional modules are arranged inside the first box, including a main control module arranged on the bottom surface of the panel, and the main control module is electrically connected to other functional modules and the battery holder respectively.

[0009] As a further improvement of the present invention, a power conversion module is arranged inside the first box body, and the power conversion module is arranged close to the input interface. One end of the power conversion module is electrically connected to the input interface, and the other end thereof is electrically connected to the main control module.

[0010] As a further improvement of the present invention, an output interface is also arranged on the side wall surface of the first box body, and the output interface is a plurality of interfaces arranged at intervals along the longitudinal direction. An output adapter module is also arranged inside the first box body, and the output adapter module is arranged close to the output interface, and is electrically connected to the main control module and the output interface respectively.

[0011] As a further improvement of the present invention, the first box body is provided with a first display module, which is electrically connected to the main control module and is used to display the charging status of the entire charging box.

[0012] and / or

[0013] The panel is also provided with a second display module, and the main control module is electrically connected to the second display module and each battery holder respectively, so that the second display module displays the charging status of each battery holder.

[0014] As a further improvement of the utility model, a plurality of protrusions are arranged on the inner wall surface of the first box body at intervals along the circumferential direction, the top surfaces of the protrusions are in contact with the bottom surface of the panel, and the panel is fixedly connected to the protrusions to support the panel.

[0015] As a further improvement of the present invention, a second box is further arranged on the top of the first box, the second box is rotatably connected to the first box, and the internal space of the second box can accommodate a plurality of battery holders on the panel.

[0016] As a further improvement of the present invention, a rotating part is provided between the first box body and the second box body, and the rotating part is provided on a side wall of the two boxes to realize the rotating connection between the two boxes.

[0017] A connecting part is provided on one side of the two boxes away from the rotating part to realize the opening and closing of the charging box.

[0018] As a further improvement of the present invention, the first box body is made of aluminum alloy, and the second box body is made of carbon fiber.

[0019] and / or

[0020] A sealing strip is provided between the first box body and the second box body.

[0021] As a further improvement of the present invention, the panel is made of aluminum alloy.

[0022] and / or,

[0023] The outer periphery of the panel is provided with ventilation holes.

[0024] In general, the above technical solution conceived by the utility model has the following beneficial effects compared with the prior art:

[0025] (1) The portable charging box of the utility model comprises a first box body and a second box body which are rotatably connected, and the accommodation spaces of the two boxes are separated by a panel, wherein a plurality of battery holders of different models are arranged on the top surface of the panel for installing batteries of different models, and a plurality of batteries of different models can be charged at the same time, thereby realizing the adaptation of multiple batteries and the centralized charging of multiple models and a large number of batteries;

[0026] (2) The portable charging box of the utility model has a plurality of input interfaces arranged on the side wall of the first box body, namely, an AC input socket and a DC input socket. Correspondingly, a power module, a power conversion module and an output adapter module are arranged in the first box body, which are used to rectify, convert, adapt and output the input current to the corresponding battery holder. An output interface is also arranged on the side wall of the first box body. The output interface can be externally connected to an adapter cable or a charging holder (especially a wireless charging holder) to charge external devices, so that the charging box is not limited to charging batteries;

[0027] (3) The portable charging box of the utility model is provided with a main control module at the bottom of the panel, and the main control module is electrically connected to each functional module (including a power module, a power conversion module, an output adapter module, a first display module, and a second display module) to receive information from each functional module, perform corresponding processing, and control the output adapter module to output current to the corresponding battery holder or output interface. Correspondingly, a communication interface is also provided on the first box body, which is electrically connected to the main control module, so that the relevant information collected and processed by the main control module can be transmitted to the upper computer through the communication interface and displayed. In addition, a first display module and a second display module are provided in the charging box, which are connected to the main control module to display the overall charging status of the charging box and the charging status of each battery holder in real time;

[0028] (4) The portable charging box of the utility model, wherein the material of the first box body and the panel is aluminum alloy material, and the material of the second box body is carbon fiber material, so that the structural strength of the box body and the panel is high, and the box body and the panel have good fire and explosion resistance and high safety. At the same time, multiple rows of air holes are provided on the panel to improve the heat dissipation performance and reduce the weight of the panel while ensuring the strength of the panel. A sealing strip is also provided between the first box body and the second box body to ensure the waterproof and rainproof performance of the charging box.

[0029] (5) The portable charging box of the utility model has a compact design of the functional modules between the first box body and the panel, so that the overall structure of the charging box is small and the weight of the whole machine is light. A handle is provided on the first box body so that the charging box can be carried by one person, which has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is an exploded view of a portable charging box in an embodiment of the utility model;

[0031] Figure 2 This is a schematic diagram of the overall structure of the portable charging box in the embodiment of the utility model;

[0032] Figure 3 is a front view of a portable charging box in an embodiment of the utility model;

[0033] Figure 4 is a rear view of the portable charging box in the embodiment of the utility model;

[0034] Figure 5 It is a right side view of the portable charging box in the embodiment of the utility model;

[0035] Figure 6 It is a left view of the portable charging box in the embodiment of the utility model;

[0036] Figure 7 It is a structural schematic diagram of a panel and various components arranged thereon in an embodiment of the utility model;

[0037] Figure 8 It is a top view of the panel and the components arranged thereon in the embodiment of the utility model;

[0038] Fig. 9 It is a bottom view of the panel and the components arranged thereon in the embodiment of the utility model;

[0039] Fig.10 It is a top view of the first box body and the components arranged thereon in the embodiment of the utility model;

[0040] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. first box body; 101. protrusion; 2. panel; 3. second box body; 4. loose-leaf; 5. flat buckle; 501. fastener structure; 502. mounting plate; 601. AC input socket; 602. DC input socket; 7. charging module; 701. universal socket; 702. USB socket; 703. first indicator light; 8. power module; 9. power conversion module; 10. output adapter module; 11. first display module; 1101. second indicator light; 12. second display module; 1201. third indicator light; 13. main control module; 14. first battery holder; 15. second battery holder; 16. third battery holder; 17. fourth battery holder; 18. fifth battery holder; 1801. fifth battery holder supporting module; 19. ventilation hole; 20. communication interface; 21. power switch; 22. reset switch; 23. handle. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0042] In the description of the present invention, 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 invention 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 invention.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" 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 ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a 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, a first feature being "above", "above" or "above" a 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. A first feature being "below", "below" or "below" a 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.

[0046] Example:

[0047] The portable charging box in the preferred embodiment of the utility model is as follows Figures 1 to 10 As shown in . It includes a first box body and a panel arranged on the first box body, a plurality of battery holders are arranged on the top surface of the panel for installing batteries, a plurality of functional modules are arranged on the bottom surface of the panel and in the first box body for realizing display, rectification and signal processing, and an input interface is also arranged on the side wall surface of the first box body for connecting an external power source to charge the batteries installed in the battery holders.

[0048] Specifically, the charging box includes a first box body 1 located at the lower part and a second box body 3 located at the upper part, and a panel 2 is arranged between the first box body 1 and the second box body 3, and the panel 2 is fixedly arranged on the first box body 1, wherein various battery holders arranged on the top surface of the panel 2 are accommodated in the accommodation space of the second box body 3, and various functional modules are arranged in the accommodation space formed by the panel 2 and the first box body 1.

[0049] Further, the inner wall surface of the first box body 1 is provided with a plurality of protrusions 101 at intervals along the circumferential direction, the protrusions 101 are fixedly connected to the first box body 1, the top surface of the protrusions 101 is in contact with the bottom surface of the panel 2, the protrusions 101 are fixedly connected to the panel 2 to support the panel 2, and at least one protrusion 101 is provided on each inner wall surface of the first box body 1 to ensure a stable connection between the panel 2 and the first box body 1. Preferably, a protrusion 101 is also provided at the junction of the two side walls of the first box body 1. Further preferably, in the height direction, the height distance between the top surface of the protrusion 101 and the top surface of the first box body 1 is the thickness of the panel 2, so that the upper surface of the panel 2 is flush with the upper surface of the first box body 1. In addition, a threaded blind hole is provided at the top of the protrusion 101, and a corresponding screw hole is provided on the panel 2, so that the panel 2 and the protrusion 101 are connected by bolts.

[0050] Furthermore, the first box body 1 and the second box body 3 are rotatably connected, and a rotating part is provided between the two boxes. The rotating part is provided on the outer wall surface on either side of the two boxes, and a connecting part is provided on the outer wall surface away from the rotating part, which is used to realize the connection and release between the two to complete the switching of the charging box between the open and closed states. It is further explained that the first box body 1 and the second box body 3 in the utility model are rectangular structures, with the direction perpendicular to the side wall surface where the rotating part and the connecting part are located as the longitudinal direction, the height direction as the vertical direction, and the directions perpendicular to the longitudinal direction and the vertical direction as the transverse direction. Furthermore, the side wall surface provided with the connecting part is the first side wall surface, and the corresponding side wall surface provided with the rotating part is the second side wall surface, and the two outer wall surfaces in the transverse direction are the third side wall surface and the fourth side wall surface respectively.

[0051] Furthermore, the rotating part includes two hinges 4 arranged at intervals in the transverse direction, and the two plate structures in the hinges 4 are respectively fixedly connected to the second side wall surfaces of the first box body 1 and the second box body 3. Further preferably, the connecting part adopts a flat buckle 5, including a fastener structure 501 arranged on the first box body 1 and a mounting plate 502 arranged on the second box body 3, and the connection or separation between the two boxes is achieved by fastening the hanging ring in the fastener structure 501 on the mounting plate 502 or removing the hanging ring from the mounting plate 502, and cooperating with the rotating part to achieve the switching of the opening and closing states of the charging box.

[0052] Furthermore, an input interface is also provided on the third side wall of the first box body 1, and the input interface is electrically connected to the panel 2, and is used to connect to an external power source to charge the battery installed in the battery holder. Further preferably, the input interface includes two arranged at intervals along the longitudinal direction, and the input interface is configured in the form of a socket, which are a DC input socket 602 and an AC input socket 601, respectively, to be applicable to a variety of external power sources, which can connect to 90V-264V AC, or 18-32V DC.

[0053] Furthermore, a power module 8 is also provided inside the first box body 1, and the power module 8 is provided close to the third side wall surface, and is electrically connected to the input interface, so that the power module 8 rectifies the AC power. Further preferably, a power conversion module 9 is also provided between the power module 8 and the panel 2 to further rectify the DC power connected and the AC power rectified by the power module 8, and the power conversion module 9 is provided at the bottom of the first box body 1.

[0054] Furthermore, a main control module 13 is also provided on the bottom surface of the panel 2. The main control module 13 is provided in the middle of the panel 2 so as to be staggered with the larger power module 8 so as to realize a compact design of the charging box. The main control module 13 is electrically connected to each functional module provided in the first box body 1 and each battery holder provided on the panel 2, wherein the power conversion module 9 is electrically connected to the main control module 13 to supply power thereto, and the main control module 13 collects and processes various types of information and supplies power to each battery holder. Further preferably, a circuit adapter board is provided corresponding to each battery holder, respectively, for realizing the electrical connection between the main control module 13 and each battery holder.

[0055] Furthermore, a charging module 7 is also provided on the side wall of the first box body 1, including a plurality of output interfaces for charging external devices. In order to realize the compact design of the charging box as a whole, the output interface is provided on the fourth side wall. An output adapter module 10 is also provided at the bottom of the first box body 1, which is arranged close to the fourth side wall. The output adapter module 10 is electrically connected to the output interface and the main control module 13 respectively to realize charging of external devices. Further preferably, the output interface is a plurality of output interfaces arranged at intervals in the longitudinal direction, including a plurality of universal sockets 701 and USB sockets 702, wherein a first indicator light 703 is also provided corresponding to the universal socket 701 to indicate the use status of the universal socket 701. Preferably, there are 6 universal sockets 701 and 2 USB sockets 702.

[0056] Further, after collecting the battery-related information, the main control module 13 determines the battery charging status (including charging, full and abnormal charging), and performs sound and light display through the display module. The display module includes a first display module 11 arranged on the first box body 1 and a second display module arranged on the panel 2, wherein the first display module 11 is electrically connected to the main control module 13, and includes two second indicator lights 1101, one second indicator light 1101 is used to display the connection status of the external power supply, and the other second indicator light 1101 is used to display the charging status (i.e. whether the charging box is charging). For ease of use, the first display module 11 is arranged close to the first side wall surface, and the two second indicator lights 1101 are arranged on the first side wall surface of the first box body 1, so that the staff can see the second indicator lights 1101 directly. Further preferably, the two second indicator lights 1101 are arranged between the two fastener structures 501. In addition, correspondingly, the power conversion module 9 is arranged close to the second side wall surface.

[0057] Furthermore, a second display module 12 is arranged in the panel 2, which includes a plurality of third indicator lights 1201 arranged at intervals along the horizontal direction, corresponding to a plurality of battery holders respectively, wherein when the third indicator light 1201 is red, it indicates that the battery holder is being charged; when it is green, it indicates that the battery is fully charged; and when it is red and flashing, it indicates that a fault has occurred there.

[0058] Furthermore, a communication interface 20 is also provided on the side wall of the first box body 1, and the communication interface 20 is electrically connected to the main control module 13. The communication interface 20 is connected to an external host computer, so that the main control module 13 uploads relevant information to the host computer, and the host computer displays the working status of the device and the charging information of each battery. Further preferably, the communication interface 20 is provided on the third side wall.

[0059] In a preferred embodiment, five battery holders are arranged on the top of the panel 2, which are the first to fifth battery holders, wherein the first battery holder 14 is used to install the TBP316 battery, which is a long block with locks on the top and bottom, and the panel 2 is also provided with a thin rod matching the battery lock to achieve the locking connection between the battery and the first battery holder 14 during the charging process. Further, the second battery holder 15 is used to install the TBS007 battery, which is a long strip, and the third battery holder 16 is used to install the TBP0307 battery, which is a block battery with an arrow-shaped boss at the bottom, and the battery is rotated to achieve locking with the third battery holder 16. The fourth battery holder 17 is used to install the DDZ-01A battery, which is also a block battery; the fifth battery holder 18 is used to charge the cylindrical battery. Further preferably, each battery holder is made of PC+ABS material, which is light in weight and has excellent fire resistance.

[0060] Furthermore, by dividing the panel 2 into four columns in the horizontal direction and arranged in the vertical direction, a first battery holder 14, a second battery holder 15, a third battery holder 16, a fourth battery holder 17, and a fifth battery holder 18 are arranged, wherein the third battery holder 16 and the fourth battery holder 17 are used to install block batteries and can be arranged in the same column, and the fifth battery holder 18 includes a plurality of sub-mounting seats, each of which can install a battery, and each sub-mounting seat is arranged in a vertical column. Further preferably, the second display module 12 arranged corresponding to each battery seat includes four third indicator lights 1201, which are arranged corresponding to the first to fourth battery seats respectively, and in the fifth battery holder 18, an indicator light is arranged corresponding to each sub-mounting seat to display the charging status of each sub-mounting seat. In addition, a fifth battery seat support module 1801 is required to be provided on the bottom surface (i.e., the back side) of the panel 2 corresponding to the fifth mounting seat, so as to support the fifth battery seat 18. Therefore, the fifth battery seat 18 is arranged close to the fourth side wall surface to be staggered with the main control module 13 and the power module 8 to realize the compact design of the charging box.

[0061] Furthermore, a handle 23 is provided on the first side wall of the first box body 1, which can be lifted by a single person for easy carrying. Further preferably, a power switch 21 and a reset switch 22 are also provided on the first side wall of the first box body 1, wherein the power switch 21 is used as a main switch to start the charging device, and the reset switch 22 is used to reset the charging box state or release the optical alarm. In addition, the handle 23, the power switch 21 and the reset switch 22 are provided between the two fastener structures 501.

[0062] Furthermore, the first box body 1 and the second box body 3 serve as the main load-bearing components of the charging box, and play a protective role for the internal components of the box body. Among them, the first box body 1 is made of aluminum alloy material, and the second box body 3 is made of carbon fiber material, which has good impact resistance and fire and explosion resistance, and is light in weight and easy to carry. Further preferably, a sealing strip is also provided between the first box body 1 and the second box body 3 to achieve the sealing of the charging box in the closed state and improve the waterproof and rainproof performance of the charging box. Preferably, a circle of grooves is provided on the edge of the first box body 1 or the second box body 3, and a corresponding convex portion can be provided on the other box body for installing the sealing strip.

[0063] Furthermore, the panel 2 is made of aluminum alloy, and several rows of air holes 19 are arranged on the periphery of the panel 2, which facilitates heat dissipation while ensuring the strength of the panel 2. Further preferably, the side edge of the panel 2 is close to or attached to the inner wall of the first box body 1, so that the panel 2 can isolate the internal space of the first box body 1 from the external environment, protecting the internal components of the first box body 1 from external influences.

[0064] The portable charging box in the utility model comprises a first box body and a second box body which are rotatably connected. A panel is arranged in the first box body, and a plurality of different types of battery holders are arranged on the top surface of the panel for installing batteries to adapt to batteries of different models. An output interface is also arranged on the side wall surface of the first box body, and it is used to power external devices by externally connecting different types of adapter cables or charging holders. It has good versatility and compatibility. At the same time, the second box body is made of carbon fiber, and the first box body and the panel are made of aluminum alloy material. While ensuring the structural strength, the overall structure is relatively light. Furthermore, heat dissipation holes are opened on the panel for easy heat dissipation, and the position structure of the panel and the components inside the first box body is adjusted to make the overall structure of the charging box compact, and a handle is arranged on the first box body, which can be carried by a single person.

[0065] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable charging box, characterized in that: It comprises a first box body and a panel arranged on the first box body, wherein a plurality of battery holders are integrated on the panel for installing batteries of various types; An input interface is provided on the side wall surface of the first box body, and the input interface is electrically connected to the battery holder and is used to access a power source to charge the battery installed on the battery holder.

2. The portable charging box according to claim 1, wherein: Various functional modules are arranged inside the first box, including a main control module arranged on the bottom surface of the panel, and the main control module is electrically connected to other functional modules and a battery holder respectively.

3. The portable charging box according to claim 2, wherein: A power conversion module is disposed inside the first box body and is disposed close to the input interface. One end of the power conversion module is electrically connected to the input interface, and the other end of the power conversion module is electrically connected to the main control module.

4. The portable charging box according to claim 2 or 3, wherein: An output interface is also arranged on the side wall surface of the first box body, and the output interface is a plurality of interfaces arranged at intervals along the longitudinal direction. An output adapter module is also arranged inside the first box body, and the output adapter module is arranged close to the output interface, and is electrically connected to the main control module and the output interface respectively.

5. The portable charging box according to claim 2 or 3, wherein: The first box body is provided with a first display module, which is electrically connected to the main control module and is used to display the charging status of the entire charging box. and / or The panel is also provided with a second display module, and the main control module is electrically connected to the second display module and each battery holder respectively, so that the second display module displays the charging status of each battery holder.

6. The portable charging box according to any one of claims 1 to 3, wherein: The inner wall surface of the first box body is provided with a plurality of protrusions at intervals along the circumferential direction, the top surfaces of the protrusions are in contact with the bottom surface of the panel, and the panel is fixedly connected to the protrusions to support the panel.

7. The portable charging box according to claim 6, wherein: A second box is also arranged on the top of the first box. The second box is rotatably connected to the first box. The internal space of the second box can accommodate a plurality of battery holders on the panel.

8. The portable charging box according to claim 7, wherein: A rotating part is provided between the first box body and the second box body, and the rotating part is provided on a side wall of the two boxes to realize a rotating connection between the two boxes. A connecting part is provided on one side of the two boxes away from the rotating part to realize the opening and closing of the charging box.

9. The portable charging box according to claim 7, wherein: The first box body is made of aluminum alloy, and the second box body is made of carbon fiber. and / or A sealing strip is provided between the first box body and the second box body.

10. The portable charging box according to any one of claims 1 to 3, wherein: The panel is made of aluminum alloy. and / or, The outer periphery of the panel is provided with ventilation holes.

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