Induced current enhanced wireless charging device

Abstract

The utility model discloses an induction current enhanced wireless charging device, and relates to the technical field of wireless charging, the induction current enhanced wireless charging device comprises a first L-shaped plate and a second L-shaped plate, the first L-shaped plate is arranged at the lower side of the second L-shaped plate, the upper surface of the first L-shaped plate is provided with a first square hole, the first square hole is internally provided with a square rod in a sliding manner, and the square rod is provided with a second square hole. The upper end of the square rod is fixedly connected with one end of a second L-shaped plate, a transmitting coil is fixedly arranged in the first L-shaped plate, a first magnetic core is arranged on the lower side of the transmitting coil, and a second magnetic core is arranged in the second L-shaped plate; u-shaped blocks are fixedly arranged on one side of the first L-shaped plate and one side of the second L-shaped plate, rotating rods are rotationally arranged in the two U-shaped blocks, and the rod walls of the rotating rods are fixedly connected with connecting rods in a sleeving mode. According to the utility model, the induction current can be enhanced, the size of the device can be adjusted, and equipment with different thicknesses can be conveniently charged.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless charging, in particular to an enhanced induction current wireless charging device. Background Art

[0002] With the development of technology, the application scenarios of wireless charging technology are increasing. For example, many wearable devices use wireless charging. In order to enhance the magnetic induction strength and reduce magnetic leakage, a magnetic core is generally added to the wireless charging device. Usually, a magnetic core is added to the charging base and the mobile device to form a closed magnetic loop.

[0003] Among them, announcement number CN205811675U discloses a wireless charging device, including a transmitting coil, a first magnetic core and a second magnetic core, the first magnetic core and the second magnetic core are arranged at intervals, and the transmitting coil is arranged on the side of the first magnetic core facing the second magnetic core. When the device to be charged needs to be charged, the transmitting coil is first energized, and a magnetic field is generated after the transmitting coil is energized. A closed magnetic circuit is formed by arranging the first magnetic core and the second magnetic core to enhance the magnetic field and reduce magnetic leakage. The device to be charged is placed in the accommodating space, and the device to be charged senses the magnetic field generated when the transmitting coil is energized, generates an induced current, and realizes charging. There are still defects in this technical solution:

[0004] In this technical solution, the distance between the first magnetic core and the second magnetic core is fixed, so the thickness of the device to be charged placed in the device is limited, and thicker devices cannot be charged, which has great limitations in practicality. Utility Model Content

[0005] In view of the above problems existing in the existing wireless charging devices, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an enhanced induction current wireless charging device, which solves the problem that the spacing between the first magnetic core and the second magnetic core in the wireless charging device in the prior art is fixed, which leads to limited thickness of the device to be charged placed in the device, and it is impossible to charge devices with larger thickness, which has great limitations in use.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An enhanced induction current wireless charging device comprises a first L-shaped plate and a second L-shaped plate, wherein the first L-shaped plate is arranged at the lower side of the second L-shaped plate, a first square hole is opened on the upper surface of the first L-shaped plate, a square rod is slidably arranged inside the first square hole, the upper end of the square rod is fixedly connected to one end of the second L-shaped plate, a transmitting coil is fixedly arranged inside the first L-shaped plate, a first magnetic core is arranged at the lower side of the transmitting coil, and a second magnetic core is arranged inside the second L-shaped plate;

[0009] A U-shaped block is fixedly provided on one side of the first L-shaped plate and the second L-shaped plate, a rotating rod is rotatably provided inside the two U-shaped blocks, a connecting rod is fixedly sleeved on the rod wall of the rotating rod, and the two connecting rods are rotatably connected at one end close to each other through an axle pin, and a limiting mechanism for limiting the rotating rod is provided on the outer side of the lower U-shaped block;

[0010] A first heat conducting plate is fixedly disposed on the upper surface of the first L-shaped plate, a second heat conducting plate is fixedly disposed on the upper surface of the second L-shaped plate, and a heat dissipation mechanism is disposed on the upper side of the second heat conducting plate.

[0011] Preferably, the limiting mechanism includes a first gear and a second gear, the first gear is fixedly sleeved on the front end of the rotating rod on the lower side, the second gear is meshingly arranged on one side of the first gear, a second square hole is opened inside the second gear, a second square rod is slidably arranged inside the second square hole, and one end of the second square rod is fixedly connected to the side wall of the first L-shaped plate.

[0012] Preferably, the heat dissipation mechanism includes a fan and a connecting pipe, the fan is fixedly arranged on the upper surface of the second L-shaped plate, a cavity is opened inside the second heat conduction plate, a plurality of heat dissipation ducts are opened on one side of the cavity, a connecting port is opened on the other side of the cavity, the connecting pipe is fixedly arranged on the air outlet of the fan, and the other end of the connecting pipe is fixedly connected to the connecting port.

[0013] Preferably, a retaining ring is fixedly sleeved on the front end of the second square rod.

[0014] Preferably, the movable sleeve of the rod wall of the second square rod is provided with a spring, and the two ends of the spring are respectively fixedly connected to the corresponding retaining ring and the second gear.

[0015] Preferably, the air inlet of the fan is provided with a filter.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The utility model pushes the second gear to separate the second gear from the first gear, thereby releasing the limit on the rotating rod, and pushing the two connecting rods toward verticality, thereby adjusting the distance between the first L-shaped plate and the second L-shaped plate, and charging devices of different thicknesses.

[0018] 2. The utility model has a first heat conducting plate and a second heat conducting plate respectively on the side close to the first L-shaped plate and the second L-shaped plate, which can conduct heat to the device being charged. At the same time, a fan blows air into the connecting pipe, and then blows air into multiple heat dissipation ducts from the cavity, so as to further improve the heat dissipation performance of the device being charged and ensure stable charging of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 This is a schematic diagram of the structure of an enhanced induction current wireless charging device proposed by the utility model;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part A is enlarged;

[0022] Figure 3 for Figure 1 Schematic diagram of the three-dimensional cross-sectional structure of the second heat conducting plate.

[0023] Description of reference numerals:

[0024] 1. First L-shaped plate; 2. Second L-shaped plate; 3. Transmitting coil; 4. First magnetic core; 5. Second magnetic core; 6. First heat conducting plate; 7. Second heat conducting plate; 8. Fan; 9. Connecting pipe; 10. U-shaped block; 11. Rotating rod; 12. Connecting rod; 13. Axis pin; 14. First square rod; 15. First gear; 16. Second square rod; 17. Second gear; 18. Retaining ring; 19. Spring; 20. Cavity; 21. Cooling duct; 22. Connecting port. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model embodiment discloses a wireless charging device with enhanced induction current.

[0027] Reference Figure 1-3 , an enhanced induction current wireless charging device, comprising a first L-shaped plate 1 and a second L-shaped plate 2, wherein the first L-shaped plate 1 is arranged at the lower side of the second L-shaped plate 2, a first square hole is opened on the upper surface of the first L-shaped plate 1, a first square rod 14 is slidably arranged inside the first square hole, an upper end of the first square rod 14 is fixedly connected to one end of the second L-shaped plate 2, a transmitting coil 3 is fixedly arranged inside the first L-shaped plate 1, a first magnetic core 4 is arranged at the lower side of the transmitting coil 3, and a second magnetic core 5 is arranged inside the second L-shaped plate 2;

[0028] A U-shaped block 10 is fixedly arranged on one side of the first L-shaped plate 1 and the second L-shaped plate 2. A rotating rod 11 is rotatably arranged inside the two U-shaped blocks 10. A connecting rod 12 is fixedly sleeved on the rod wall of the rotating rod 11. The two connecting rods 12 are rotatably connected at their close ends by an axle pin 13.

[0029] A first heat conducting plate 6 is fixedly disposed on the upper surface of the first L-shaped plate 1 , and a second heat conducting plate 7 is fixedly disposed on the upper surface of the second L-shaped plate 2 .

[0030] Reference Figure 1-3 A limiting mechanism for limiting the rotating rod 11 is arranged on the outer side of the lower U-shaped block 10, and the limiting mechanism includes a first gear 15 and a second gear 17. The first gear 15 is fixedly sleeved on the front end of the lower rotating rod 11, and the second gear 17 is meshed and arranged on one side of the first gear 15. A second square hole is opened inside the second gear 17, and a second square rod 16 is slidably arranged inside the second square hole. One end of the second square rod 16 is fixedly connected to the side wall of the first L-shaped plate 1.

[0031] Reference Figure 1-3 A heat dissipation mechanism is arranged on the upper side of the second heat conducting plate 7, and the heat dissipation mechanism includes a fan 8 and a connecting pipe 9. The fan 8 is fixedly arranged on the upper surface of the second L-shaped plate 2. A cavity 20 is opened inside the second heat conducting plate 7. A plurality of heat dissipation ducts 21 are opened on one side of the cavity 20. A connecting port 22 is opened on the other side of the cavity 20. The connecting pipe 9 is fixedly arranged on the air outlet of the fan 8. The other end of the connecting pipe 9 is fixedly connected to the connecting port 22. A filter is arranged at the air inlet of the fan 8 to improve the dustproof performance of the fan 8.

[0032] Reference Figure 1-3 The front end of the second square rod 16 is fixedly sleeved with a retaining ring 18 to prevent the second gear 17 from slipping off the rod wall of the second square rod 16 as much as possible. The rod wall of the second square rod 16 is movably sleeved with a spring 19, and the two ends of the spring 19 are respectively fixedly connected to the corresponding retaining ring 18 and the second gear 17 to facilitate the resetting of the second gear 17.

[0033] In the utility model, the second gear 17 is pushed to separate the second gear 17 from the first gear 15, that is, the limit on the rotating rod 11 is released, that is, the two connecting rods 12 can be pushed toward verticality, and then the distance between the first L-shaped plate 1 and the second L-shaped plate 2 can be adjusted, that is, devices of different thicknesses can be charged. During the charging process, since the first L-shaped plate 1 and the second L-shaped plate 2 are close to each other on the side respectively provided with the first heat conducting plate 6 and the second heat conducting plate 7, the charged device can be heat-conducted, and at the same time, the fan 8 blows air into the connecting pipe 9, and then blows multiple heat dissipation ducts 21 from the cavity 20, so as to further improve the heat dissipation performance of the charged device and ensure stable charging of the device.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An enhanced induction current wireless charging device, comprising a first L-shaped plate (1) and a second L-shaped plate (2), characterized in that: The first L-shaped plate (1) is arranged on the lower side of the second L-shaped plate (2); a first square hole is provided on the upper surface of the first L-shaped plate (1); a first square rod (14) is slidably arranged inside the first square hole; the upper end of the first square rod (14) is fixedly connected to one end of the second L-shaped plate (2); a transmitting coil (3) is fixedly arranged inside the first L-shaped plate (1); a first magnetic core (4) is arranged on the lower side of the transmitting coil (3); and a second magnetic core (5) is arranged inside the second L-shaped plate (2); A U-shaped block (10) is fixedly provided on one side of the first L-shaped plate (1) and the second L-shaped plate (2); a rotating rod (11) is rotatably provided inside the two U-shaped blocks (10); a connecting rod (12) is fixedly sleeved on the rod wall of the rotating rod (11); the two connecting rods (12) are rotatably connected at their adjacent ends via an axle pin (13); and a limiting mechanism for limiting the rotating rod (11) is provided on the outer side of the lower U-shaped block (10); A first heat conducting plate (6) is fixedly arranged on the upper surface of the first L-shaped plate (1), a second heat conducting plate (7) is fixedly arranged on the upper surface of the second L-shaped plate (2), and a heat dissipation mechanism is arranged on the upper side of the second heat conducting plate (7).

2. The enhanced induction current wireless charging device according to claim 1, characterized in that: The limiting mechanism comprises a first gear (15) and a second gear (17); the first gear (15) is fixedly sleeved on the front end of the rotating rod (11) at the lower side; the second gear (17) is meshedly arranged on one side of the first gear (15); a second square hole is provided inside the second gear (17); a second square rod (16) is slidably arranged inside the second square hole; one end of the second square rod (16) is fixedly connected to the side wall of the first L-shaped plate (1).

3. The enhanced induction current wireless charging device according to claim 1, characterized in that: The heat dissipation mechanism comprises a fan (8) and a connecting pipe (9); the fan (8) is fixedly arranged on the upper surface of the second L-shaped plate (2); a cavity (20) is provided inside the second heat conducting plate (7); a plurality of heat dissipation air ducts (21) are provided on one side of the cavity (20); a connecting port (22) is provided on the other side of the cavity (20); the connecting pipe (9) is fixedly arranged on the air outlet of the fan (8); and the other end of the connecting pipe (9) is fixedly connected to the connecting port (22).

4. The enhanced induction current wireless charging device according to claim 2, characterized in that: A retaining ring (18) is fixedly sleeved on the front end of the second square rod (16).

5. The enhanced induction current wireless charging device according to claim 4, characterized in that: The rod wall movable sleeve of the second square rod (16) is provided with a spring (19), and the two ends of the spring (19) are respectively fixedly connected to the corresponding retaining ring (18) and the second gear (17).

6. The enhanced induction current wireless charging device according to claim 3, characterized in that: The air inlet of the fan (8) is provided with a filter screen.

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