CN212033805U - Wire coil type wireless charger - Google Patents

Abstract

The utility model relates to a wireless technical field that charges discloses a wireless charger of reel formula, including charger shell and charging power cord, charging power cord's end-to-end connection has the charging plug, charger shell is discoid, charger shell's upper portion is rotated through the upper bearing and is connected with spacing dish, charger shell's lower part is rotated through the lower bearing and is connected with down the spacing dish, charging power cord wears out and the successive layer is convoluteed on charger shell from charger shell, go up spacing dish and be equipped with the line ball subassembly down between the spacing dish. The utility model discloses be convenient for receive and release the arrangement to longer charging power cord.

Description

Wire coil type wireless charger

Technical Field

The utility model relates to a charger technical field specifically is a wireless charger of line dish formula.

Background

With the rapid development of electronic products such as smart phones, which have been integrated into various fields of modern life, due to the increase of the use frequency of the electronic products, the consumption of electric energy of the electronic products also becomes large, and the situation of insufficient electric quantity often occurs, so that the charger is indispensable. Currently, mobile phone chargers have been developed to a wireless charging stage, and wireless chargers with various structures are appeared, for example, as shown in patent CN 107370243 a.

However, wireless charging only means that a conventional charging power line is not used for connecting to a terminal device to be charged, that is, the charging power line is not needed between a charger and a smart phone, but the charging power line is still needed between the charger and a power supply (commercial power or a storage battery); in some specific use occasions, the charging power line is generally long (as long as 5-10 meters), and when the charging power line is idle, the long charging power line is inconvenient to store, arrange and disorder.

Therefore, the technical personnel in the field provide a reel type wireless charger which is convenient for collecting, releasing and arranging a longer charging power cord.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wireless charger of reel formula is convenient for receive and release the arrangement to longer charging power cord.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wireless charger of line dish formula, includes charger shell and charging power line, charging power line's end-to-end connection has charging plug, charger shell is discoid, charger shell's upper portion is rotated through the upper bearing and is connected with spacing dish on, charger shell's lower part is rotated through lower bearing and is connected with spacing dish down, charging power line wears out and the successive layer is convoluteed on charger shell from charger shell, go up spacing dish and be equipped with the line ball subassembly down between the spacing dish.

Further, charger shell's inside is equipped with the installation cavity that is used for installing wireless module of charging, wireless module of charging includes charging circuit board and charging coil, charging circuit board is the disc and connects the power cord that charges, the charging coil is the disc and is fixed in the central point on the charging circuit board and puts, be equipped with the heat-conducting piece between charging circuit board and charger shell's the bottom plate.

Further, the heat conducting piece comprises a metal substrate and a heat conducting film which are sequentially connected from bottom to top, the metal substrate is fixed on the bottom plate of the charger shell, and the heat conducting film is fixed at the bottom of the charging circuit board.

Furthermore, heat dissipation holes are distributed on the part, matched and connected with the metal substrate, of the bottom plate of the charger shell.

Further, the heat conduction film is a carbon nanotube film or a graphite sheet.

Further, the charging plug is a USB plug structure.

Furthermore, the line pressing assembly comprises a pressing plate and a driving plate, the pressing plate is slidably arranged between the upper limiting plate and the lower limiting plate and is parallel to the charger shell, one end of the driving plate is rotatably connected to the lower limiting plate, the other end of the driving plate is L-shaped and is provided with a positioning buckle, and the positioning buckle is matched with and clamped and connected with a positioning clamping groove arranged on the upper limiting plate; the pressing plate is connected with the driving plate through a compression spring.

Furthermore, at least three compression springs are uniformly arranged between the pressing plate and the driving plate.

Furthermore, one end of the driving plate is rotatably connected to the lower limiting plate through a hinge.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a wireless charger of drum formula is through designing into discoid with charger shell to portion, lower part normal running fit are provided with upper limit dish, lower limit dish above that, make and form the wire between upper limit dish and lower limit dish and hold the going, and charger shell becomes the structure of wire reel, and the charging power cord can be whole or partial winding on charger shell, thereby is convenient for receive and release the arrangement to longer charging power cord.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention.

Detailed Description

Referring to fig. 1 to 2, the present embodiment provides a wire-reel wireless charger, including a charger housing 1 and a charging power cord 2, where a charging plug 3 is connected to a terminal of the charging power cord 2, the charger housing 1 is disc-shaped, an upper limiting disc 51 is rotatably connected to an upper portion (a position close to a top surface) of the charger housing 1 through an upper bearing 41, a lower limiting disc 52 is rotatably connected to a lower portion (a position close to a bottom surface) of the charger housing 1 through a lower bearing 42, the charging power cord 2 penetrates out of the charger housing 1 and is wound on the charger housing 1 layer by layer, and a wire pressing assembly is disposed between the upper limiting disc 51 and the lower limiting disc 52. The charging plug 3 is preferably of a USB plug structure, so that the universality is strong; the upper bearing 41 and the lower bearing 42 are both rotating bearing structures, and are fixedly sleeved on the outer side surface of the charger shell 1; the upper limiting plate 51 and the lower limiting plate 52 are also in a disc structure and are arranged along the radial direction of the charger shell 1, and the two limiting plates are parallel; the wire pressing assembly is used for pressing and fixing the charging power supply wire 2 in the upper limiting disc 51 and the lower limiting disc 52 to prevent the charging power supply wire from falling off.

Through designing charger housing 1 into discoid to upper portion, lower part normal running fit are provided with upper limit dish 51, lower limit dish 52 on it, make and form the wire between upper limit dish 51 and lower limit dish 52 and hold, charger housing 1 becomes the structure of wire reel, and charging power cord 2 can be whole or partial coiling on charger housing 1, thereby is convenient for receive and release the arrangement to longer charging power cord 2.

In this embodiment, an installation cavity 11 for installing a wireless charging module is arranged inside the charger housing 1, the wireless charging module includes a charging circuit board 61 and a charging coil 62, the charging circuit board 61 is disc-shaped and is connected with a charging power cord 2, the charging coil 62 is disc-shaped and is fixed at a central position on the charging circuit board 61, and a heat conducting member is arranged between the charging circuit board 61 and a bottom plate of the charger housing 1; the wireless charging principle (faraday electromagnetic induction) of the wireless charging module is known in the prior art, and is not described herein again; a magnetic conductive sheet (not shown) is further disposed between the charging coil 62 and the charging circuit board 61, and an electronic component (not shown) is disposed on the bottom surface of the charging circuit board 61. When the charger is used, only electronic equipment (such as a smart phone) to be charged is placed on the top plate of the charger shell 1, then the charging circuit board 61 is electrified through the charging power cord 2, the charging coil 62 and the built-in coil of the electronic equipment jointly form an electromagnetic coupling inductor, alternating current carried by the charging coil 62 generates a magnetic field, and the built-in coil of the electronic equipment generates voltage through induction, so that a storage battery of the electronic equipment is charged, and the use requirement is met; moreover, a heat conducting piece is arranged between the charging circuit board 61 and the bottom plate of the charger shell 1, so that the heat of the charging circuit board 61 can be effectively conducted to the bottom plate of the charger shell 1, the heat is dissipated to the outside, the temperature rise caused by heat accumulation is avoided, and the charging is safe and stable.

In this embodiment, the heat conducting member includes a metal substrate 63 and a heat conducting film 64 connected in sequence from bottom to top, the metal substrate 63 is fixed on the bottom plate of the charger housing 1, and the heat conducting film 64 is fixed at the bottom of the charging circuit board 61. The metal substrate 63 can be made of aluminum alloy, and the heat-conducting film 64 can be a carbon nanotube film or a graphite sheet, which can improve the heat-conducting and heat-dissipating effects of the heat-conducting member. In addition, in order to dissipate heat to the outside in time, heat dissipation holes 12 are distributed on the part where the bottom plate of the charger housing 1 is in fit connection with the metal base 63, and the heat dissipation holes 12 are vertical through holes which are uniformly distributed and have a diameter of 1mm-3 mm.

In this embodiment, the wire pressing assembly includes a pressing plate 71 and a driving plate 72, the pressing plate 71 is slidably disposed between the upper limiting plate 51 and the lower limiting plate 52 and parallel to the charger housing 1, one end of the driving plate 72 is rotatably connected to the lower limiting plate 52, the other end of the driving plate 72 is L-shaped and provided with a positioning buckle 72a, and the positioning buckle 72a is adapted to and engaged with a positioning clamping groove formed in the upper limiting plate 51; the pressure plate 71 and the driving plate 72 are connected by a compression spring 73. Sliding grooves can be formed in the bottom surface of the upper limiting disc 51 and the top surface of the lower limiting disc 52 so as to position the pressing plate 71 and enable the pressing plate 71 to slide; the pressure plate 71 is parallel to the axis of the charger case 1; one end of the driving plate 72 is rotatably connected to the lower limiting disc 52 through a hinge 8 so as to be turned over; the compression springs 73 provide pressing force for the pressing plate 71, and at least three compression springs 73 can be uniformly arranged between the pressing plate 71 and the driving plate 72; the positioning buckle 72a can be clamped into the positioning clamping groove so as to keep the positioning of the driving plate 72; after the positioning buckle 72a is disengaged from the positioning slot, the driving board 72 can be freely turned over, so that the pressing plate 71 is pulled through the compression spring 73 to prevent the charging power cord 2 from being loose, and at the moment, the corresponding use length can be pulled out by pulling the charging power cord 2.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a wireless charger of reel formula, includes charger shell and charging power line, charging power line's end-to-end connection has charging plug, its characterized in that: the charger shell is disc-shaped, the upper portion of the charger shell is rotatably connected with an upper limiting disc through an upper bearing, the lower portion of the charger shell is rotatably connected with a lower limiting disc through a lower bearing, the charging power line penetrates out of the charger shell and is wound on the charger shell layer by layer, and a line pressing assembly is arranged between the upper limiting disc and the lower limiting disc.

2. The wireless charger of claim 1, wherein: the inside of charger shell is equipped with the installation cavity that is used for installing wireless module of charging, wireless module of charging includes charging circuit board and charging coil, charging circuit board is the disc and connects the power cord that charges, the charging coil is the disc and is fixed in the central point on the charging circuit board and puts, be equipped with the heat-conducting piece between charging circuit board and charger shell's the bottom plate.

3. The wireless charger of claim 2, wherein: the heat conducting piece comprises a metal substrate and a heat conducting film which are sequentially connected from bottom to top, the metal substrate is fixed on a bottom plate of the charger shell, and the heat conducting film is fixed at the bottom of the charging circuit board.

4. A reel-type wireless charger according to claim 3, wherein: radiating holes are distributed on the part where the bottom plate of the charger shell is connected with the metal substrate in a matched mode.

5. The wireless charger of claim 4, wherein: the heat conduction membrane is a carbon nanotube membrane or a graphite sheet.

6. The wireless charger of any one of claims 1 to 5, wherein: the charging plug is of a USB plug structure.

7. The wireless charger of any one of claims 1 to 5, wherein: the line pressing assembly comprises a pressing plate and a driving plate, the pressing plate is arranged between the upper limiting plate and the lower limiting plate in a sliding mode and is parallel to the charger shell, one end of the driving plate is rotatably connected to the lower limiting plate, the other end of the driving plate is L-shaped and is provided with a positioning buckle, and the positioning buckle is matched with and clamped and connected with a positioning clamping groove formed in the upper limiting plate; the pressing plate is connected with the driving plate through a compression spring.

8. The wireless charger of claim 7, wherein: at least three compression springs are uniformly arranged between the pressing plate and the driving plate.

9. The wireless charger of claim 7, wherein: one end of the driving plate is rotatably connected to the lower limiting plate through a hinge.

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