AI all-in-one machine

Abstract

The invention discloses an AI all-in-one machine, and belongs to the technical field of artificial intelligence. An AI all-in-one machine comprises a machine body, a plurality of heat dissipation openings are formed in the outer wall of one end of the machine body at equal intervals, the outer wall of one end of the machine body is in threaded connection with a heat dissipation frame, the heat dissipation frame is located outside the heat dissipation openings, an air exhaust frame is arranged in the heat dissipation frame, a linkage plate is welded to the outer wall of the air exhaust frame, and an inner threaded pipe is welded to the linkage plate; a threaded rod is installed on the inner threaded pipe through threads, one end of the top of the threaded rod penetrates through the heat dissipation frame and is provided with a motor, one end of the bottom of the threaded rod is connected with the bottom of the inner wall of the heat dissipation frame in an inserted mode, an air extractor is connected to the end face of the bottom of the machine body in a threaded mode, and a connector is connected to the air extraction end of the air extractor in an inserted mode; and a filter cartridge is mounted on the connector through a thread. According to the AI all-in-one machine, the problems that in the prior art, the AI all-in-one machine is usually placed beside a wall and at a corner, normal heat dissipation of the AI all-in-one machine is affected when the AI all-in-one machine leans against the wall, overheat load of the AI all-in-one machine is likely to

Description

Technical Field

[0001] The present invention relates to the field of artificial intelligence technology, and in particular to an AI all-in-one machine. Background Art

[0002] AI, also known as artificial intelligence, is an important driving force for a new round of scientific and technological revolution and industrial transformation. It is a new technical science that studies and develops theories, methods, technologies and application systems for simulating, extending and expanding human intelligence. AI all-in-one machine is a device that integrates computing, storage, network equipment and AI platform software. It aims to provide one-stop intelligent computing solutions for operators and industry users, and is widely used in various scenarios, such as government services, finance, medical care, etc.

[0003] After searching, the prior art (Announcement No.: CN114445957A) is a self-service payment machine, which proposes "including a body with an ID card reader and an input keyboard, a touch screen connected to the body, a placement slot on the body, an adjustable touch screen placed on the placement slot through a support plate, a slide slot on the side wall of the placement slot, a guide slot on the slide slot, a guide column slidably connected to the guide slot, the guide column connected to the adjustable touch screen, a rotating shaft rotatably connected to the body, one end of the rotating shaft is fixedly connected to a driving gear, and the adjustable touch screen is fixedly connected to a driving rack meshing with the driving gear". In order to reduce space occupation and prevent bumps, the existing AI all-in-one machines are usually placed against walls and corners, but the AI ​​all-in-one machine against the wall will affect its normal heat dissipation, and it is easy to cause the AI ​​all-in-one machine to overheat and cause a freeze. Therefore, it is necessary to design an AI all-in-one machine. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the existing design is usually placed near the wall and at the corner. The AI ​​all-in-one machine against the wall will affect its normal heat dissipation, and it is easy to cause the AI ​​all-in-one machine to overheat and cause a freeze.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An AI all-in-one machine comprises a machine body, wherein a plurality of heat dissipation ports are equidistantly provided on an outer wall at one end of the machine body, a heat dissipation frame is screwed to the outer wall at one end of the machine body, and the heat dissipation frame is located outside the heat dissipation port, an exhaust frame is provided inside the heat dissipation frame, and a linkage plate is welded to the outer wall of the exhaust frame, an internal threaded pipe is welded to the linkage plate, and a threaded rod is installed on the internal threaded pipe through a thread, a top end of the threaded rod passes through the heat dissipation frame and is installed with a motor, a bottom end of the threaded rod is plugged into the bottom of the inner wall of the heat dissipation frame, and the An exhaust fan is screwed onto the bottom end face of the body, and a connector is plugged into the exhaust end of the exhaust fan, a filter cartridge is threadedly installed on the connector, a docking tube is plugged into the filter cartridge, and a bellows is plugged into the docking tube, the other end of the bellows passes through the heat dissipation frame and is plugged into and connected with the bottom of the exhaust frame, an exhaust pipe is plugged into the docking tube, and the other end of the exhaust pipe is plugged into and connected with the bottom of the heat dissipation frame, rollers are connected to both sides of the exhaust frame through shafts, and the outer walls of the rollers fit the outer wall of the body.

[0007] Preferably, a vent is provided in the center of the connector, a spring is welded to the inner wall of the connector, a push plate is welded to the other end of the spring, and a filter element is provided inside the filter cartridge.

[0008] Preferably, anti-collision pads are glued on all four sides of the outer wall of the heat dissipation frame, and the anti-collision pads are made of rubber material.

[0009] Preferably, a cleaning groove is provided at the top of the outer wall at the other end of the body, and a touch screen is screwed in the center of the cleaning groove, the tops on both sides of the cleaning groove are connected to the first pulley through shafts, the bottoms on both sides of the cleaning groove are connected to the second pulley through shafts, a synchronous toothed belt is sleeved between the first pulley and the second pulley, a motor is fixed to one side of the second pulley, a cleaning roller is provided inside the cleaning groove, and gears are welded at both ends of the cleaning roller, and the two gears are respectively meshed with two synchronous toothed belts.

[0010] Preferably, the cleaning roller is in contact with the surface of the touch screen, and the surface of the cleaning roller is made of a plurality of cotton strips.

[0011] Preferably, a nozzle is provided at the bottom of the cleaning tank, and a spray rack is screwed inside the nozzle, a plurality of nozzles are equidistantly provided on the top of the spray rack, a storage bin is provided on the outer wall of the body, and a disinfection tank is provided inside the storage bin, a diversion pump is provided on the top of the disinfection tank, and a diversion pipe is connected to the diversion pump, and the other end of the diversion pipe extends into the nozzle and is connected to the spray rack.

[0012] Preferably, drainage grooves are provided on both sides of the bottom of the nozzle, and a rubber plug is inserted at one end of the drainage groove, a sponge strip is glued to one end of the rubber plug, and the other end of the sponge strip extends into the drainage groove, and a finger ring is welded to the other end of the rubber plug.

[0013] Preferably, a top plate is screwed to the top of the cleaning tank, finger grooves are provided on the outer walls on both sides of the body, a camera is screwed to the top end face of the body, pillars are screwed around the bottom end face of the body, and anti-slip pads are glued to the bottom end faces of the pillars.

[0014] Compared with the prior art, the present invention provides an AI all-in-one machine with the following beneficial effects:

[0015] 1. The present invention can dissipate the heat generated by the body into the heat dissipation frame through the heat dissipation port, and can draw the heat in the heat dissipation frame into the docking pipe by using an air pump and an air pump pipe, and can filter the exhausted gas by using a filter cartridge. The filtered gas will enter the air pump and be discharged to the outside, and the threaded rod can be rotated by using a motor, and the threaded rod can be rotated to cooperate with the internal threaded pipe, so that the linkage plate can drive the air pump frame to move, and negative pressure can be generated in the air pump frame by using the corrugated telescopic pipe, thereby specifically improving the heat dissipation effect of the heat dissipation port in a certain area, and the heat dissipation frame can prevent the body from sticking to the wall to block the heat dissipation port and affect the normal heat dissipation of the body.

[0016] 2. The anti-collision pad can prevent the heat dissipation frame from colliding with the wall. The motor can be used to drive the second pulley to rotate, which can pull the synchronous toothed belt to rotate. The first pulley can be used to make the synchronous toothed belt move smoothly. The cleaning roller can be driven out from the top of the cleaning tank through the gear, and the cleaning roller can be fitted with the touch screen. The disinfectant in the disinfection tank can be drawn out through the diversion pump and the diversion pipe, and the disinfectant can flow into the spray rack. The disinfectant can be sprayed onto the touch screen by the nozzle. The cleaning roller can be moved downward to wipe the surface of the touch screen, and the touch screen can be disinfected and sterilized at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall isometric view of an AI all-in-one machine proposed by the present invention;

[0018] Figure 2 This is a schematic diagram of the internal structure of a heat dissipation frame of an AI all-in-one machine proposed by the present invention;

[0019] Figure 3 This is a schematic diagram of the bottom structure of an AI all-in-one machine proposed by the present invention;

[0020] Figure 4 This is an overall vertical cross-sectional view of an AI all-in-one machine proposed by the present invention;

[0021] Figure 5 A cross-sectional view of a filter cartridge of an AI all-in-one machine proposed by the present invention;

[0022] Figure 6 This is an overall cross-sectional view of an AI all-in-one machine proposed by the present invention;

[0023] Description of the figure numbers: 1. Machine body; 2. Heat dissipation port; 3. Heat dissipation frame; 4. Air extraction frame; 5. Linkage plate; 6. Internal threaded pipe; 7. Threaded rod; 8. Motor; 9. Air extractor; 10. Connector; 11. Filter cartridge; 12. Butt joint; 13. Corrugated telescopic pipe; 14. Air extraction pipe; 15. Roller; 16. Ventilation port; 17. Spring; 18. Push plate; 19. Filter element; 20. Anti-collision pad; 21. Cleaning tank; 22. Touch screen; 2 3. First pulley; 24. Second pulley; 25. Synchronous toothed belt; 26. Motor; 27. Cleaning roller; 28. Gear; 29. ​​Nozzle; 30. Spray rack; 31. Spray head; 32. Storage bin; 33. Disinfection tank; 34. Diversion pump; 35. Diversion pipe; 36. Drain trough; 37. Rubber plug; 38. Sponge strip; 39. Finger ring; 40. Top plate; 41. Finger groove; 42. Camera; 43. Pillar; 44. Anti-slip mat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Embodiment 1:

[0026] See also Figure 1-5 An AI all-in-one machine comprises a machine body 1, a plurality of heat dissipation ports 2 are equidistantly provided on the outer wall of one end of the machine body 1, a heat dissipation frame 3 is screwed to the outer wall of one end of the machine body 1, and the heat dissipation frame 3 is located outside the heat dissipation port 2, an exhaust frame 4 is provided inside the heat dissipation frame 3, and a linkage plate 5 is welded to the outer wall of the exhaust frame 4, an internal threaded tube 6 is welded to the linkage plate 5, and a threaded rod 7 is installed on the internal threaded tube 6 through a thread, the top end of the threaded rod 7 passes through the heat dissipation frame 3 and is installed with a motor 8, the bottom end of the threaded rod 7 is plugged into the bottom of the inner wall of the heat dissipation frame 3, an exhaust fan 9 is screwed to the bottom end face of the machine body 1, and a connector 10 is plugged into the exhaust end of the exhaust fan 9, and a threaded rod 7 is installed on the connector 10. A filter cartridge 11 is installed through a thread, a butt-joint pipe 12 is plugged into the filter cartridge 11, and a bellows telescopic pipe 13 is plugged into the butt-joint pipe 12, the other end of the bellows telescopic pipe 13 penetrates the heat dissipation frame 3 and is plugged and connected with the bottom of the air extraction frame 4, an air extraction pipe 14 is plugged into the butt-joint pipe 12, and the other end of the air extraction pipe 14 is plugged and connected with the bottom of the heat dissipation frame 3, rollers 15 are connected to both sides of the air extraction frame 4 through an axis, and the outer wall of the roller 15 is in contact with the outer wall of the machine body 1, a vent 16 is provided in the center of the connector 10, a spring 17 is welded to the inner wall of the connector 10, and a push plate 18 is welded to the other end of the spring 17, and a filter element 19 is provided inside the filter cartridge 11;

[0027] The machine body 1 is equipped with artificial intelligence, big data and cloud computing technology systems, which are convenient for intelligent interaction. Artificial intelligence can be used to identify the type of medicine, which is convenient for extracting information about medicines in a large database, and cloud computing technology can be used to realize the payment function. The heat generated by the machine body 1 can be dissipated into the heat dissipation frame 3 through the heat dissipation port 2. The heat in the heat dissipation frame 3 can be drawn into the docking pipe 12 by using the exhaust fan 9 and the exhaust pipe 14. The filter element 19 in the filter cartridge 11 can filter the discharged gas, and the filter element 19 can be supported by the spring 17 and the push plate 18, so that the drawn gas can be filtered. When entering the filter cartridge 11, it can play a buffering role. The filtered gas will enter the vacuum fan 9 through the vent 16 and be discharged to the outside. The motor 8 can be used to rotate the threaded rod 7. The threaded rod 7 is rotated in conjunction with the internal threaded tube 6 to enable the linkage plate 5 to drive the vacuum frame 4 to move. The corrugated telescopic tube 13 can generate negative pressure in the vacuum frame 4, thereby specifically improving the heat dissipation effect of the heat dissipation port 2 in a certain area. The heat dissipation frame 3 can prevent the body 1 from sticking to the wall to block the heat dissipation port 2, thereby affecting the normal heat dissipation of the body 1. The roller 15 can be used to make the heat dissipation frame 3 move more smoothly.

[0028] Embodiment 2:

[0029] See also Figure 1-6, which is different from Example 1 in that anti-collision pads 20 are glued on all sides of the outer wall of the heat dissipation frame 3, and the anti-collision pads 20 are made of rubber material, a cleaning groove 21 is provided on the top of the outer wall of the other end of the body 1, and a touch screen 22 is screwed in the center of the cleaning groove 21, the tops of both sides of the cleaning groove 21 are connected to first pulleys 23 through shafts, and the bottoms of both sides of the cleaning groove 21 are connected to second pulleys 24 through shafts, a synchronous toothed belt 25 is sleeved between the first pulley 23 and the second pulley 24, a motor 26 is fixed to one side of the second pulley 24, a cleaning roller 27 is provided inside the cleaning groove 21, and gears 28 are welded at both ends of the cleaning roller 27, the two gears 28 are respectively meshed with the two synchronous toothed belts 25, the cleaning roller 27 is in contact with the surface of the touch screen 22, the surface of the cleaning roller 27 is made of a plurality of cotton strips, a nozzle 29 is provided at the bottom of the cleaning groove 21, and the nozzle 29 is screwed inside There is a spray rack 30, and a plurality of spray heads 31 are equidistantly arranged on the top of the spray rack 30. A storage bin 32 is provided on the outer wall of the machine body 1, and a sterilizing tank 33 is provided inside the storage bin 32. A flow guide pump 34 is provided on the top of the sterilizing tank 33, and a flow guide pipe 35 is plugged into the flow guide pump 34. The other end of the flow guide pipe 35 extends into the nozzle 29 and is plugged into the spray rack 30. A drainage groove 36 is provided on both sides of the bottom of the nozzle 29, and one end of the drainage groove 36 is plugged into A rubber plug 37, one end of the rubber plug 37 is glued with a sponge strip 38, and the other end of the sponge strip 38 extends into the sewage tank 36, the other end of the rubber plug 37 is welded with a finger ring 39, the top of the cleaning tank 21 is screwed with a top plate 40, both sides of the outer wall of the body 1 are provided with finger grooves 41, the top end surface of the body 1 is screwed with a camera 42, the bottom end surface of the body 1 is screwed with pillars 43, and the bottom end surface of the pillars 43 is glued with an anti-slip pad 44;

[0030] The anti-collision pad 20 can prevent the heat dissipation frame 3 from colliding with the wall. The motor 26 drives the second pulley 24 to rotate, which can pull the synchronous toothed belt 25 to rotate. The first pulley 23 can make the synchronous toothed belt 25 move smoothly. The gear 28 can drive the cleaning roller 27 to move out from the top of the cleaning tank 21, and make the cleaning roller 27 fit the touch screen 22. The disinfectant in the disinfection tank 33 is extracted through the diversion pump 34 and the diversion pipe 35, and the disinfectant flows into the spray rack 3. 0, the nozzle 31 can be used to spray disinfectant onto the touch screen 22, and the cleaning roller 27 can be moved downward to wipe the surface of the touch screen 22, thereby disinfecting and sterilizing the touch screen 22. The liquid that slides down after wiping the touch screen 22 can pass through the nozzle 29 and flow into the drain groove 36. The sponge bar 38 can be used to absorb the liquid that flows into the drain groove 36. The rubber plug 37 can be used to increase the sealing of the drain groove 36. The sponge bar 38 can be replaced by pulling out the rubber plug 37.

[0031] When the present invention is in use, the heat generated by the body 1 can be dissipated into the heat dissipation frame 3 through the heat dissipation port 2, the heat in the heat dissipation frame 3 can be sucked into the docking pipe 12 by the air extractor 9 and the air extraction pipe 14, the exhausted gas can be filtered by the filter element 19 in the filter cartridge 11, the filter element 19 can be supported by the spring 17 and the push plate 18, and thus when the sucked gas enters the filter cartridge 11, a buffering effect can be played, and the filtered gas will enter the air extractor 9 through the vent 16 and be discharged to the outside, the threaded rod 7 can be rotated by the motor 8, and the threaded rod 7 can be rotated to cooperate with the internal threaded pipe 6, so that the linkage plate 5 can drive the air extraction frame 4 to move, and the corrugated telescopic pipe 13 can make negative pressure in the air extraction frame 4, so as to improve the heat dissipation effect of the heat dissipation port 2 in a certain area in a targeted manner, the heat dissipation frame 3 can prevent the body 1 from sticking to the wall to block the heat dissipation port 2 and affect the normal heat dissipation of the body 1, and the roller 15 can make the heat dissipation frame 3 move more smoothly The anti-collision pad 20 can prevent the heat dissipation frame 3 from colliding with the wall. The motor 26 drives the second pulley 24 to rotate, which can pull the synchronous toothed belt 25 to rotate. The first pulley 23 can make the synchronous toothed belt 25 move smoothly. The gear 28 can drive the cleaning roller 27 to move out from the top of the cleaning tank 21, and make the cleaning roller 27 fit the touch screen 22. The disinfectant in the disinfection tank 33 is extracted through the diversion pump 34 and the diversion pipe 35, and the disinfectant flows into the spray rack. 30, the disinfectant can be sprayed onto the touch screen 22 by using the nozzle 31, and the surface of the touch screen 22 can be wiped by moving the cleaning roller 27 downward, thereby disinfecting the touch screen 22. The liquid that slides down after wiping the touch screen 22 can pass through the nozzle 29 and flow into the drain tank 36. The liquid that flows into the drain tank 36 can be absorbed by the sponge bar 38, and the sealing of the drain tank 36 can be increased by using the rubber plug 37. The sponge bar 38 can be replaced by pulling out the rubber plug 37.

[0032] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of this template.

[0033] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present invention. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An AI all-in-one machine, comprising a machine body (1), characterized in that: A plurality of heat dissipation ports (2) are equidistantly formed on the outer wall of one end of the machine body (1); a heat dissipation frame (3) is screwed to the outer wall of one end of the machine body (1), and the heat dissipation frame (3) is located outside the heat dissipation port (2); an exhaust frame (4) is provided inside the heat dissipation frame (3), and a linkage plate (5) is welded to the outer wall of the exhaust frame (4); an internal threaded tube (6) is welded to the linkage plate (5), and a threaded rod (7) is installed on the internal threaded tube (6) through threads; the top end of the threaded rod (7) passes through the heat dissipation frame (3) and is installed with a motor (8); the bottom end of the threaded rod (7) is plugged into the bottom of the inner wall of the heat dissipation frame (3); the bottom end face of the machine body (1) is screwed to an exhaust fan (4) (9), and the air extraction end of the air extractor (9) is plugged with a connector (10), a filter cartridge (11) is threadedly mounted on the connector (10), a butt joint (12) is plugged with the filter cartridge (11), a bellows telescopic tube (13) is plugged with the butt joint (12), the other end of the bellows telescopic tube (13) passes through the heat dissipation frame (3) and is plugged and connected with the bottom of the air extraction frame (4), an air extraction pipe (14) is plugged with the butt joint (12), and the other end of the air extraction pipe (14) is plugged and connected with the bottom of the heat dissipation frame (3), both sides of the air extraction frame (4) are connected with rollers (15) through shafts, and the outer wall of the roller (15) is in contact with the outer wall of the machine body (1).

2. The AI ​​all-in-one machine according to claim 1, characterized in that: A vent (16) is provided at the center of the connector (10), a spring (17) is welded to the inner wall of the connector (10), and a push plate (18) is welded to the other end of the spring (17), and a filter element (19) is provided inside the filter cartridge (11).

3. The AI ​​all-in-one machine according to claim 1, characterized in that: Anti-collision pads (20) are glued on all four sides of the outer wall of the heat dissipation frame (3), and the anti-collision pads (20) are made of rubber material.

4. The AI ​​all-in-one machine according to claim 1, characterized in that: A cleaning groove (21) is provided at the top of the outer wall at the other end of the body (1), and a touch screen (22) is screwed in the center of the cleaning groove (21), the tops of both sides of the cleaning groove (21) are connected to first pulleys (23) through shafts, the bottoms of both sides of the cleaning groove (21) are connected to second pulleys (24) through shafts, a synchronous toothed belt (25) is sleeved between the first pulley (23) and the second pulley (24), a motor (26) is fixed on one side of the second pulley (24), a cleaning roller (27) is provided inside the cleaning groove (21), and gears (28) are welded at both ends of the cleaning roller (27), and the two gears (28) are respectively meshed with the two synchronous toothed belts (25).

5. The AI ​​all-in-one machine according to claim 4, characterized in that: The cleaning roller (27) is in contact with the surface of the touch screen (22), and the surface of the cleaning roller (27) is made of a plurality of cotton strips.

6. The AI ​​all-in-one machine according to claim 4, characterized in that: The bottom of the cleaning tank (21) is provided with a nozzle (29), and a spray rack (30) is screwed inside the nozzle (29), and a plurality of nozzles (31) are equidistantly arranged on the top of the spray rack (30). The outer wall of the machine body (1) is provided with a storage bin (32), and a disinfection tank (33) is arranged inside the storage bin (32). A flow guide pump (34) is arranged on the top of the disinfection tank (33), and a flow guide pipe (35) is plugged into the flow guide pump (34), and the other end of the flow guide pipe (35) extends into the nozzle (29) and is plugged into and communicated with the spray rack (30).

7. The AI ​​all-in-one machine according to claim 6, characterized in that: Both sides of the bottom of the nozzle (29) are provided with drainage grooves (36), and a rubber plug (37) is inserted into one end of the drainage groove (36), a sponge strip (38) is glued to one end of the rubber plug (37), and the other end of the sponge strip (38) extends into the drainage groove (36), and a finger ring (39) is welded to the other end of the rubber plug (37).

8. The AI ​​all-in-one machine according to claim 4, characterized in that: The top of the cleaning tank (21) is screwed with a top plate (40), the outer walls on both sides of the body (1) are provided with finger grooves (41), the top end surface of the body (1) is screwed with a camera (42), the bottom end surface of the body (1) is screwed with pillars (43) all around, and the bottom end surface of the pillars (43) is glued with an anti-slip pad (44).

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