Wireless charging equipment with adjustable placing angle and use method

Abstract

The invention discloses wireless charging equipment with an adjustable placing angle and a use method, and belongs to the technical field of wireless charging equipment, the wireless charging equipment comprises a base, an angle-adjustable charging structure is arranged on the base, the angle-adjustable charging structure comprises a supporting column fixedly mounted on the base, a first universal shaft is fixedly mounted at the top of the supporting column, and a second universal shaft is fixedly mounted at the bottom of the supporting column; a fixing frame is fixedly installed at the top of the first universal shaft, a circuit module is fixedly installed on the fixing frame, a supporting table is fixedly installed at the top of the fixing frame, an induction charging module electrically connected with the circuit module is fixedly installed at the center of the supporting table, and a plurality of electric guide rails are symmetrically and fixedly installed at the top of the base. Through the arrangement of the angle-adjustable charging structure, the supporting table can be adjusted to incline in any direction, so that the placement angle of the mobile phone equipment is adjusted, the placement angle of the mobile phone equipment is not limited any more, and a user can conveniently check the charged mobile phone equipment in any direction and angle.

Description

Technical Field

[0001] The present invention relates to a wireless charging device with an adjustable placement angle, in particular to a wireless charging device with an adjustable placement angle and a usage method, belonging to the technical field of wireless charging devices. Background Art

[0002] With the continuous improvement of the requirements of electrical equipment for power supply quality, safety, reliability, convenience, instantaneity, special occasions, special geographical environments, etc., the contact-type power transmission method can no longer meet the actual needs. A wireless charging device is a device that uses the principle of electromagnetic induction for charging. Its principle is similar to that of a transformer. By arranging a coil at each of the transmitting and receiving ends, the transmitting-end coil emits an electromagnetic signal to the outside under the action of electricity, and the receiving-end coil receives the electromagnetic signal and converts the electromagnetic signal into an electric current, thereby achieving the purpose of wireless charging. Wireless charging technology is a special power supply method. It does not require a power cord, relies on the propagation of electromagnetic waves, and then converts the electromagnetic wave energy into electrical energy to finally achieve wireless charging.

[0003] The upper surface of the existing wireless chargers is generally horizontal or inclined at a certain angle. The mobile phone can only be placed horizontally or inclined at a certain angle on the wireless charger, and the adjustment of any placement angle is not possible, making it inconvenient for users to view the mobile phone device being charged in any orientation and angle, and it is not convenient to use. Summary of the Invention

[0004] The main purpose of the present invention is to solve the above problems, and to provide a wireless charging device with an adjustable placement angle and a usage method.

[0005] The object of the present invention can be achieved by adopting the following technical solutions: Through the setting of the adjustable-angle charging structure, the support platform can be tilted in any orientation, thereby adjusting the placement angle of the mobile phone device, making the placement angle of the mobile phone device no longer restricted, and facilitating users to view the mobile phone device being charged in any orientation and angle.

[0006] A wireless charging device with adjustable placement angle and its usage method, including a base, on which an adjustable-angle charging structure is provided. The adjustable-angle charging structure includes a support column fixedly installed on the base, a first universal joint fixedly installed at the top of the support column, a fixing frame fixedly installed at the top of the first universal joint, a circuit module fixedly installed on the fixing frame, a support platform fixedly installed at the top of the fixing frame, and an inductive charging module electrically connected to the circuit module fixedly installed at the center of the support platform. Symmetrically and fixedly installed on the top of the base are a plurality of electric guide rails, on which electric telescopic rods are fixedly installed, and a second universal joint connected to the adjustable-angle charging structure is fixedly installed at the output end of the electric telescopic rod.

[0007] Preferably, a plurality of fixing frames are symmetrically and fixedly installed at the top of the adjustable-angle charging structure. One end of the fixing frame is fixedly installed with a motor, a screw rod connected to the motor is movably installed inside the fixing frame, a moving block is installed on the screw rod, and a clamping plate is fixedly installed at the top of the moving block.

[0008] Preferably, a rubber pad is fixedly installed on one side of the clamping plate, and the top of the rubber pad is arc-shaped.

[0009] Preferably, a plurality of semiconductor refrigeration chips are uniformly and fixedly installed on the adjustable-angle charging structure. The semiconductor refrigeration chips are electrically connected to the circuit module. A plurality of support frames are fixedly installed at the bottom of the adjustable-angle charging structure. The support frames are arranged below the semiconductor refrigeration chips, and cooling fans are arranged on the support frames.

[0010] Preferably, a plurality of grooves are symmetrically opened inside the support frame, a plurality of springs are symmetrically and fixedly installed inside the grooves, a clamping rod is fixedly installed at one end of the spring, and clamping blocks are fixedly installed on both sides of the cooling fan.

[0011] Preferably, the diameter of the clamping rod is in line with the inner diameter of the card slot on the clamping block, the diameter of the clamping block is in line with the inner diameter of the groove, and one end of the clamping rod is tapered.

[0012] Preferably, a storage box is fixedly installed on the surface of the base. A plurality of sliding grooves are opened on the storage box, cover plates slidingly connected to the sliding grooves are symmetrically arranged on the top of the storage box, and clamping grooves are opened on one side of the two cover plates close to each other.

[0013] Preferably, a plurality of vacuum pumps are uniformly and fixedly installed at the bottom of the base, and suction cups are fixedly installed at the bottom of the vacuum pumps.

[0014] Preferably, support plates are fixedly installed around the base. An installation frame is arranged on one side of the support plate. A touch operation panel is fixedly installed inside the installation frame. A first magnet is fixedly installed on the support plate, and a second magnet is fixedly installed on one side of the installation frame.

[0015] Preferably, a method for using a wireless charging device with an adjustable placement angle includes the following steps;

[0016] S1. Place the mobile device on the top of the adjustable-angle charging structure. Then, start multiple motors separately through the touch operation panel, so that the motors drive the screw rods in the fixed frame to rotate. The rotation of the screw rods drives the moving blocks to move by relying on the threads, so that the moving blocks drive the clamping plates to move until the clamping plates fit the mobile device and fix it on the adjustable-angle charging structure;

[0017] S2. When adjusting the angle, also start the oppositely arranged electric guide rails and electric telescopic rods through the touch operation panel. The two electric telescopic rods operate in opposite directions, one extends and the other contracts, and the two electric guide rails drive the two electric telescopic rods to move in opposite directions. At the same time, under the support of the support columns and the first universal shafts, drive the adjustable-angle charging structure to tilt to complete the angle adjustment of the adjustable-angle charging structure. When adjusting the other two directions, repeat the operation on the corresponding electric guide rails and electric telescopic rods;

[0018] S3. When the mobile phone is charged through the inductive charging module, the semiconductor refrigeration sheet starts to absorb and release heat from the mobile phone after being energized with the circuit module. At the same time, start the cooling fan to quickly dissipate the heat discharged from the heat release end of the semiconductor refrigeration sheet to dissipate heat from the mobile phone;

[0019] S4. When the base is supported on the tabletop, start multiple vacuum pumps synchronously to pump the space between the suction cups and the tabletop to a vacuum, so that a vacuum adsorption is formed between the suction cups and the tabletop to stably support the base.

[0020] The beneficial technical effects of the present invention: According to a wireless charging device with an adjustable placement angle and a using method thereof of the present invention, through the setting of the adjustable-angle charging structure, the support platform can be adjusted to tilt in any direction, and the tilt angle of the support platform is changed by the movement and expansion of multiple electric guide rails and electric telescopic rods and the support of the support columns and the first universal shafts, so as to adjust the placement angle of the mobile device, making the placement angle of the mobile device no longer limited, and facilitating the user to view the mobile device being charged in any direction and angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure according to a preferred embodiment of the present invention;

[0022] Figure 2 Is a bottom view of the overall structure according to a preferred embodiment of the present invention;

[0023] Figure 3 Is a schematic top view of the fixed frame structure according to a preferred embodiment of the present invention;

[0024] Figure 4 Is an unfolded schematic view of the support frame and heat dissipation fan structure according to a preferred embodiment of the present invention;

[0025] Figure 5 Is a schematic view of the storage box structure according to a preferred embodiment of the present invention;

[0026] Figure 6 Is an unfolded schematic view of the support plate and mounting frame structure according to a preferred embodiment of the present invention.

[0027] In the figure: 1, base; 2, adjustable angle charging structure; 3, support column; 4, first universal joint; 5, fixed frame; 6, circuit module; 7, support table; 8, inductive charging module; 9, electric guide rail; 10, electric telescopic rod; 11, second universal joint; 12, fixed frame; 13, motor; 14, screw; 15, moving block; 16, clamping plate; 17, rubber pad; 18, semiconductor refrigeration sheet; 19, support frame; 20, heat dissipation fan; 21, groove; 22, spring; 23, clamping rod; 24, clamping block; 25, storage box; 26, chute; 27, cover plate; 28, clamping groove; 29, vacuum pump; 30, suction cup; 31, support plate; 32, mounting frame; 33, touch operation panel; 34, first magnet; 35, second magnet. Detailed implementation manners

[0028] To make the technical solutions of the present invention clearer and more definite for those skilled in the art, the present invention will be further described in detail below in conjunction with embodiments and the accompanying drawings. However, the implementation manners of the present invention are not limited thereto.

[0029] Such as Figures 1-6As shown in the figure, a wireless charging device with adjustable placement angle and its usage method provided in this embodiment include a base 1, on which an adjustable-angle charging structure 2 is provided. The adjustable-angle charging structure 2 includes a support column 3 fixedly installed on the base 1. At the top of the support column 3, a first universal joint 4 is fixedly installed. At the top of the first universal joint 4, a fixing frame 5 is fixedly installed. On the fixing frame 5, a circuit module 6 is fixedly installed. At the top of the fixing frame 5, a support platform 7 is fixedly installed. At the center of the support platform 7, an inductive charging module 8 electrically connected to the circuit module 6 is fixedly installed. On the top of the base 1, a plurality of electric guide rails 9 are symmetrically and fixedly installed. On the electric guide rails 9, electric telescopic rods 10 are fixedly installed. At the output end of the electric telescopic rod 10, a second universal joint 11 connected to the adjustable-angle charging structure 2 is fixedly installed. Through the setting of the adjustable-angle charging structure 2, the support platform 7 can be adjusted to tilt in any direction, relying on the movement and telescoping of the plurality of electric guide rails 9 and electric telescopic rods 10, as well as the support of the support column 3 and the first universal joint 4 to change the tilt angle of the support platform 7, thereby adjusting the placement angle of the mobile device, so that the placement angle of the mobile device is no longer restricted, facilitating the user to view the charging mobile device in any direction and angle.

[0030] In this embodiment, as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a plurality of fixed frames 12 are symmetrically and fixedly installed at the top of the adjustable-angle charging structure 2. One end of the fixed frame 12 is fixedly installed with a motor 13. A screw rod 14 connected to the motor 13 is movably installed inside the fixed frame 12. A moving block 15 is installed on the screw rod 14. A clamping plate 16 is fixedly installed at the top of the moving block 15. A rubber pad 17 is fixedly installed on one side of the clamping plate 16. The top of the rubber pad 17 is arc-shaped. A plurality of semiconductor refrigeration chips 18 are evenly and fixedly installed on the adjustable-angle charging structure 2. The semiconductor refrigeration chips 18 are electrically connected to the circuit module 6. A plurality of support frames 19 are fixedly installed at the bottom of the adjustable-angle charging structure 2. The support frames 19 are arranged below the semiconductor refrigeration chips 18. A cooling fan 20 is arranged on the support frames 19. Through the settings of the fixed frame 12, the motor 13, the screw rod 14, the moving block 15 and the clamping plate 16, the mobile phone device placed on the top of the support platform 7 can be clamped and fixed, so that the mobile phone device is always fixed on the support platform 7, avoiding the mobile phone device slipping off the support platform 7 after the angle of the support platform 7 is adjusted. Through the setting of the rubber pad 17, it can not only play a soft wrapping and protective role on the surface of the mobile phone, but also increase the friction with the mobile phone device, improving the clamping stability of the clamping plate 16. And after the top of the rubber pad 17 is set to be arc-shaped, it can further limit the mobile phone device, preventing the mobile phone device from falling off more effectively. Through the settings of the semiconductor refrigeration chips 18, the support frames 19 and the cooling fan 20, the mobile phone device during charging can be cooled, avoiding failures and damages caused by high temperature during mobile phone charging.

[0031] In this embodiment, as Figure 1 and Figure 5As shown, a plurality of grooves 21 are symmetrically formed inside the support frame 19. A plurality of springs 22 are symmetrically and fixedly installed inside the grooves 21. One end of each spring 22 is fixedly installed with a clamping rod 23. Clamping blocks 24 are fixedly installed on both sides of the radiator fan 20. The diameter of the clamping rod 23 matches the inner diameter of the card slot on the clamping block 24, and the diameter of the clamping block 24 matches the inner diameter of the groove 21. One end of the clamping rod 23 is tapered. A storage box 25 is fixedly installed on the surface of the base 1. A plurality of sliding grooves 26 are formed on the storage box 25. Covers 27 slidably connected to the sliding grooves 26 are symmetrically arranged on the top of the storage box 25. Clamping grooves 28 are formed on one side of the two covers 27 close to each other. Through the settings of the groove 21, the spring 22, the clamping rod 23 and the clamping block 24, the radiator fan 20 and the support frame 19 are installed and connected by the clamping of a plurality of clamping rods 23 and clamping blocks 24. The clamping connection enables the radiator fan 20 to be disassembled from the support frame 19, facilitating repair and replacement when the radiator fan 20 fails. Since one end of the clamping rod 23 is tapered, when disassembling, the radiator fan 20 can be directly pulled downward, causing the clamping blocks 24 on both sides to squeeze and contract the clamping rod 23 to disengage, thereby disassembling the radiator fan 20 from the support frame 19. When installing, the radiator fan 20 is directly inserted into the support frame 19, and the clamping block 24 also squeezes the clamping rod 23. When reaching the clamping position, the clamping rod 23 relies on the reset of the spring 22 to engage with the clamping block 24. At the same time, by setting the diameter of the clamping block 24 to match the inner diameter of the groove 21 and the diameter of the clamping rod 23 to match the inner diameter of the card slot on the clamping block 24, the radiator fan 20 can be installed more stably on the support frame 19, avoiding shaking. Through the settings of the storage box 25, the sliding grooves 26, the covers 27 and the clamping grooves 28, when not in use, to prevent the electrical connection wires on the circuit module 6 from being exposed and damaged, the electrical connection wires can be placed in the storage box 25, and the two covers 27 are combined to enclose the plugs of the electrical connection wires in the storage box 25 for storage, effectively preventing damage to the electrical connection wires and plugs.

[0032] In this embodiment, as Figure 1 , Figure 2 and Figure 6As shown in the figure, a plurality of vacuum pumps 29 are uniformly and fixedly installed at the bottom of the base 1. A suction cup 30 is fixedly installed at the bottom of the vacuum pump 29. Support plates 31 are fixedly installed around the base 1. An installation frame 32 is arranged on one side of the support plate 31. A touch operation panel 33 is fixedly installed inside the installation frame 32. A first magnet 34 is fixedly installed on the support plate 31. A second magnet 35 is fixedly installed on one side of the installation frame 32. Through the arrangement of the vacuum pump 29 and the suction cup 30, the base 1 can be stably adsorbed and supported on the tabletop, avoiding tipping due to the gravity after angle adjustment. Through the arrangement of the support plate 31, the installation frame 32, the touch operation panel 33 and the first magnet 34, the first magnet 34 is electrically connected to the electric guide rail 9, the electric telescopic rod 10, the inductive charging module 8, the motor 13, the semiconductor refrigeration sheet 18, the cooling fan 20 and the vacuum pump 29, so that the first magnet 34 can be centrally and uniformly operated, facilitating the user's operation. At the same time, the installation frame 32 is installed on the support plate 31 by relying on the first magnet 34 and the second magnet 35, and the support plates 31 are arranged around the base 1, so that the touch operation panel 33 can be adaptively arranged on the support plate 31 according to the user's orientation, facilitating the user's operation.

[0033] In this embodiment, as Figures 1-6 shown, the working process of an adjustable placement angle wireless charging device and its usage method provided in this embodiment is as follows:

[0034] Step 1: Place the mobile device on the top of the adjustable angle charging structure 2. Then, start the multiple motors 13 respectively through the touch operation panel 33, so that the motors 13 drive the screw 14 in the fixed frame 12 to rotate. The rotation of the screw 14 drives the moving block 15 to move by relying on the thread, so that the moving block 15 drives the clamping plate 16 to move until the multiple clamping plates 16 are attached to the mobile device to fix it on the adjustable angle charging structure 2;

[0035] Step 2: When adjusting the angle, also start the oppositely arranged electric guide rails 9 and electric telescopic rods 10 through the touch operation panel 33. The two electric telescopic rods 10 operate in the opposite direction, one extends and the other contracts, and the two electric guide rails 9 drive the two electric telescopic rods 10 to move in the opposite direction. At the same time, under the support of the support column 3 and the first universal joint 4, the adjustable angle charging structure 2 is tilted to complete the angle adjustment of the adjustable angle charging structure 2. When adjusting the other two directions, the electric guide rails 9 and electric telescopic rods 10 at the corresponding positions are operated repeatedly;

[0036] Step 3: When the mobile phone is charged through the inductive charging module 8, the semiconductor refrigeration sheet 18 starts to absorb and release heat from the mobile phone after being energized with the circuit module 6. At the same time, the cooling fan 20 is started to quickly dissipate the heat discharged from the heat release end of the semiconductor refrigeration sheet 18, so as to dissipate heat from the mobile phone.

[0037] Step 4: When the base 1 is supported on the tabletop, start multiple vacuum pumps 29 simultaneously to evacuate the space between the suction cups 30 and the tabletop to a vacuum, so that a vacuum adsorption is formed between the suction cups 30 and the tabletop, thereby providing a stable support for the base 1.

[0038] In summary, in this embodiment, according to an adjustable wireless charging device and its usage method in this embodiment, through the settings of the fixing frame 12, the motor 13, the screw rod 14, the moving block 15, and the clamping plate 16, the mobile phone device placed on the top of the support platform 7 can be clamped and fixed, so that the mobile phone device is always fixed on the support platform 7, avoiding the mobile phone device from slipping off the support platform 7 after the angle of the support platform 7 is adjusted. Through the setting of the rubber pad 17, it can not only play a soft wrapping and protective role on the surface of the mobile phone, but also increase the friction with the mobile phone device, improving the stability of the clamping of the clamping plate 16. And after the top of the rubber pad 17 is set to be arc-shaped, it can further restrict the mobile phone device, preventing the mobile phone device from falling off more effectively. Through the settings of the semiconductor refrigeration sheet 18, the support frame 19, and the cooling fan 20, the mobile phone device during charging can be cooled, avoiding the mobile phone from malfunctioning and being damaged due to high temperature during charging. Through the settings of the groove 21, the spring 22, the clamping rod 23, and the clamping block 24, the cooling fan 20 and the support frame 19 are installed and connected by the engagement of multiple clamping rods 23 and clamping blocks 24. The engagement connection enables the cooling fan 20 to be disassembled from the support frame 19, facilitating repair and replacement when the cooling fan 20 fails. Since one end of the clamping rod 23 is set to be conical, when disassembling, the cooling fan 20 can be directly pulled downward, causing the clamping blocks 24 on both sides to squeeze and contract the clamping rod 23 to disengage, thereby disassembling the cooling fan 20 from the support frame 19. When installing, the cooling fan 20 is directly inserted into the support frame 19, and the clamping block 24 also squeezes the clamping rod 23. When reaching the engagement position, the clamping rod 23 relies on the spring 22 to reset and engage with the clamping block 24. At the same time, the diameter of the clamping block 24 is set to be consistent with the inner diameter of the groove 21, and the diameter of the clamping rod 23 is set to be consistent with the inner diameter of the card slot on the clamping block 24, enabling the cooling fan 20 to be more firmly installed on the support frame 19, avoiding shaking. Through the settings of the storage box 25, the sliding groove 26, the cover plate 27, and the clamping groove 28, when not in use, to avoid damage to the electrical connection wires on the circuit module 6 being exposed, the electrical connection wires can be placed in the storage box 25, and the two cover plates 27 are combined to enclose the plugs of the electrical connection wires in the storage box 25 for storage, effectively avoiding damage to the electrical connection wires and plugs. Through the settings of the vacuum pump 29 and the suction cup 30, the base 1 can be stably adsorbed and supported on the tabletop, avoiding tipping due to the gravity after the angle adjustment. Through the settings of the support plate 31, the installation frame 32, the touch operation panel 33, and the first magnetic block 34, the first magnetic block 34 is electrically connected to the electric guide rail 9, the electric telescopic rod 10, the inductive charging module 8, the motor 13, the semiconductor refrigeration sheet 18, the cooling fan 20, and the vacuum pump 29, enabling the first magnetic block 34 to be centrally and uniformly operated, facilitating user operation. At the same time, the installation frame 32 is installed on the support plate 31 by relying on the first magnetic block 34 and the second magnetic block 35, and support plates 31 are provided around the base 1.The touch operation panel 33 is arranged on the support plate 31 so as to be adapted to the orientation of the user, which is convenient for the user to operate and use.

[0039] As described above, the above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and concept of the present invention, makes equivalent replacements or changes, all belong to the protection scope of the present invention.

Claims

1. A wireless charging device with an adjustable placement angle, comprising a base (1), characterized in that, An adjustable-angle charging structure (2) is provided on the base (1). The adjustable-angle charging structure (2) includes a support column (3) fixedly installed on the base (1). A first universal joint (4) is fixedly installed at the top of the support column (3). A fixing frame (5) is fixedly installed at the top of the first universal joint (4). A circuit module (6) is fixedly installed on the fixing frame (5). A support platform (7) is fixedly installed at the top of the fixing frame (5). An inductive charging module (8) electrically connected to the circuit module (6) is fixedly installed at the center of the support platform (7). A plurality of electric guide rails (9) are symmetrically and fixedly installed on the top of the base (1). An electric telescopic rod (10) is fixedly installed on the electric guide rail (9). A second universal joint (11) connected to the adjustable-angle charging structure (2) is fixedly installed at the output end of the electric telescopic rod (10).

2. The wireless charging device with adjustable placement angle according to claim 1, characterized in that, A plurality of fixing frames (12) are symmetrically and fixedly installed at the top of the adjustable-angle charging structure (2). A motor (13) is fixedly installed at one end of the fixing frame (12). A screw rod (14) connected to the motor (13) is movably installed inside the fixing frame (12). A moving block (15) is installed on the screw rod (14). A clamping plate (16) is fixedly installed at the top of the moving block (15).

3. The wireless charging device with adjustable placement angle according to claim 2, wherein A rubber pad (17) is fixedly installed on one side of the clamping plate (16). The top of the rubber pad (17) is arc-shaped.

4. The wireless charging device with adjustable placement angle according to claim 1, characterized in that, A plurality of semiconductor refrigeration sheets (18) are uniformly and fixedly installed on the adjustable-angle charging structure (2). The semiconductor refrigeration sheets (18) are electrically connected to the circuit module (6). A plurality of support frames (19) are fixedly installed at the bottom of the adjustable-angle charging structure (2). The support frames (19) are arranged below the semiconductor refrigeration sheets (18). A heat dissipation fan (20) is arranged on the support frames (19).

5. The wireless charging device with adjustable placement angle according to claim 4, characterized in that, A plurality of grooves (21) are symmetrically formed inside the support frame (19). A plurality of springs (22) are symmetrically and fixedly installed inside the grooves (21). A clamping rod (23) is fixedly installed at one end of the spring (22). Clamping blocks (24) are fixedly installed on both sides of the heat dissipation fan (20).

6. The wireless charging device with adjustable placement angle according to claim 5, characterized in that, The diameter of the clamping rod (23) is matched with the inner diameter of the card slot on the clamping block (24). The diameter of the clamping block (24) is matched with the inner diameter of the groove (21). One end of the clamping rod (23) is tapered.

7. A wireless charging device with an adjustable placement angle according to claim 1, wherein A storage box (25) is fixedly installed on the surface of the base (1). A plurality of sliding grooves (26) are formed in the storage box (25). Cover plates (27) slidably connected to the sliding grooves (26) are symmetrically arranged on the top of the storage box (25). Clamping grooves (28) are formed on one side of the two cover plates (27) close to each other.

8. The wireless charging device with adjustable placement angle according to claim 1, wherein A plurality of vacuum pumps (29) are uniformly and fixedly installed at the bottom of the base (1). A suction cup (30) is fixedly installed at the bottom of the vacuum pump (29).

9. The wireless charging device with adjustable placement angle according to claim 1, wherein, Support plates (31) are fixedly installed around the base (1). An installation frame (32) is arranged on one side of the support plate (31). A touch operation panel (33) is fixedly installed inside the installation frame (32). A first magnetic block (34) is fixedly installed on the support plate (31), and a second magnetic block (35) is fixedly installed on one side of the installation frame (32).

10. A method of using a wireless charging device with an adjustable placement angle according to claims 1-9, characterized in that, It includes the following steps; S1. Place the mobile device on the top of the adjustable-angle charging structure (2). Then, start the multiple motors (13) separately through the touch operation panel (33), so that the motors (13) drive the screw rods (14) in the fixed frame (12) to rotate. The rotation of the screw rods (14) drives the moving blocks (15) to move by means of the thread, so that the moving blocks (15) drive the clamping plates (16) to move until the multiple clamping plates (16) are attached to the mobile device and fix it on the adjustable-angle charging structure (2). S2. When adjusting the angle, also start the oppositely arranged electric guide rails (9) and electric telescopic rods (10) through the touch operation panel (33). The two electric telescopic rods (10) operate in the opposite direction, one extends and one contracts, and the two electric guide rails (9) drive the two electric telescopic rods (10) to move in the opposite direction. At the same time, under the support of the support column (3) and the first universal joint (4), the adjustable-angle charging structure (2) is driven to tilt to complete the angle adjustment of the adjustable-angle charging structure (2). When adjusting the other two directions, the electric guide rails (9) and electric telescopic rods (10) at the corresponding positions are also operated repeatedly. S3. When the mobile phone is charged through the inductive charging module (8), the semiconductor refrigeration sheet (18) starts to absorb and release heat to the mobile phone after being energized with the circuit module (6). At the same time, start the cooling fan (20) to quickly dissipate the heat discharged from the heat release end of the semiconductor refrigeration sheet (18), so as to dissipate the heat of the mobile phone. S4. When the base (1) is supported on the tabletop, start multiple vacuum pumps (29) synchronously to pump the space between the suction cups (30) and the tabletop to a vacuum, so that a vacuum adsorption is formed between the suction cups (30) and the tabletop, so as to stably support the base (1).

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