CN211790967U

CN211790967U - Desktop back fixed sharing wireless charging device

Info

Publication number: CN211790967U
Application number: CN202020747360.9U
Authority: CN
Inventors: 许江
Original assignee: Suzhou Jiugong Intelligent Technology Co ltd
Current assignee: Suzhou Jiugong Intelligent Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-10-27
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a fixed sharing wireless charging device in desktop back, including the desktop board and install in the wireless charger of desktop board bottom, wireless charger includes casing, lower casing, wireless emission module and the circuit board of charging, goes up the up end of casing and the bottom surface of desktop board and laminates mutually, goes up casing and casing lock down, and wireless emission module and the circuit board of charging are installed in the space that last casing and lower casing formed, wireless emission module and the circuit board electric connection of charging. The utility model provides a wireless charging device of brand-new mounting means's sharing, this wireless charging device fix in the desktop bottom, when specifically using, only need at the desktop surface mark that the device corresponds charging area once can, do not occupy any space on the desktop, do not influence the pleasing to the eye of desktop.

Description

Desktop back fixed sharing wireless charging device

Technical Field

The utility model relates to a wireless charging equipment field, in particular to fixed sharing wireless charging device in desktop back.

Background

The wireless charging technology is derived from a wireless power transmission technology and can be divided into a low-power wireless charging mode and a high-power wireless charging mode. The low-power wireless charging is usually performed by electromagnetic induction, such as Qi charging for mobile phones. The high-power wireless charging is usually in a resonant mode (most electric vehicles are charged in the resonant mode). Because the charger and the electric device transmit energy through a magnetic field, the charger and the electric device are not connected through an electric wire.

The existing low-power wireless charger is generally placed on a desktop when charging the equipment to be charged, occupies the space of the desktop, and still needs to be stored to prevent loss when the equipment to be charged is not needed to be charged, so that the wireless charger is inconvenient for people to use.

As shown in the patent No. 201821338297.2, the desk discloses a desktop wireless charger and a desk using the same, wherein the wireless charger comprises a shell, a wireless charging transmitting module, a magnetic separation sheet, a PCBA circuit board and a charging wire, the wireless charging transmitting module, the magnetic separation sheet, the PCBA circuit board and the charging wire are sequentially arranged in the shell in a stacking manner along the direction from the top end to the bottom end of the shell, and the wireless charging transmitting module and the charging wire are respectively and electrically connected with the PCBA circuit board; the top surface and the bottom surface of the shell are both planar and parallel to each other so as to be embedded into the desktop conveniently. Above-mentioned wireless charger of mesa formula is used for inlaying the dress to the desktop in, when treating the battery charging outfit and need charge, directly will treat the battery charging outfit place wireless charger on can, facilitate the use, can save the desktop space, and need not accomodate it, can not lose, solved above-mentioned problem.

However, since the wireless charging distance of the wireless charger is only a few millimeters, a mounting groove needs to be formed in a desktop, and then the wireless charger is embedded in the mounting groove, so that the charging can be started only by placing the electric equipment on the upper end face of the wireless charger, namely, by contacting with the wireless charger. The existing wireless charger still occupies some space of the desk and even influences the aesthetic property of the desktop.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a do not occupy desktop space's fixed sharing wireless charging device in desktop back completely can solve one of above-mentioned problem at least.

According to an aspect of the utility model provides a fixed wireless charging device of sharing in desktop back, including the desktop board and install in the wireless charger of desktop board bottom, wireless charger includes casing, lower casing, wireless emitter module and the circuit board of charging, and the up end of going up the casing is laminated with the bottom surface of desktop board mutually, goes up casing and casing lock down, and wireless emitter module and the circuit board of charging are installed in the space that last casing and lower casing formed, wireless emitter module and the circuit board electric connection of charging.

Therefore, the utility model provides a wireless charging device of sharing of brand-new mounting means, this wireless charging device fix in the desktop bottom, when specifically using, only need at the desktop surface mark that the device corresponds charging area once can, do not occupy any space on the desktop, do not influence the pleasing to the eye of desktop.

In some embodiments, the wireless charging transmit module comprises a transmit coil. Therefore, the transmitting coil can be an electromagnetic induction type coil which generates a magnetic field when being electrified and outputs electric energy to the equipment to be charged in an electromagnetic induction mode. The transmitting coil may also be a magnetic resonance type coil, which generates a magnetic field when energized and outputs electrical energy to the device to be charged in a magnetic resonance manner.

In some embodiments, the magnetic field emission distance of the wireless charging emission module is 8-30 mm. Traditional wireless charging device's wireless charging distance is only several millimeters, the utility model discloses a wireless charging device's wireless charging distance can reach 8 ~ 30mm, from this, even this device is installed and also can effectually charge to the smart machine of placing on the desktop back.

In some embodiments, the wireless charger further includes a magnetic shielding sheet installed in a space formed by the upper housing and the lower housing and located between the circuit board and the wireless charging transmission module. Therefore, the magnetism isolating sheet is used for enhancing the magnetic field intensity of the transmitting coil of the wireless charging transmitting module, the energy transmission efficiency is increased, and the charging speed of the equipment to be charged can be increased.

In some embodiments, the wireless charger further comprises a heat sink mounted to the lower housing and located between the lower housing and the circuit board. From this, the radiator can effectually dispel the heat to circuit board and casing inside, and then improves the life of each part.

In some embodiments, the heat sink is a fan, a vent hole is formed in the center of the circuit board, one end of the heat sink is fixedly mounted on the lower housing, the other end of the heat sink is fixedly connected with the circuit board, an air inlet of the heat sink corresponds to the vent hole, and an air outlet of the heat sink abuts against the inner bottom surface of the lower housing. From this, the heat that electronic component produced and the inside heat of casing are discharged from casing down through ventilation hole, radiator under the radiator effect, the utility model discloses a wireless charger inner structure is compact, and the radiating effect is good.

In some embodiments, the wireless charger further includes a hoop plate mounted to the lower housing, the hoop plate and the lower housing forming a winding space capable of accommodating a wire or a data line connected to the wireless charger. From this, the convenient data line and power cord etc. that hold that sets up of hoop dish avoid winding facilitate the use simultaneously.

In some embodiments, the hoop plate is provided with a limiting groove. The size of spacing groove can make the line body part of data line or power cord pass through, but then can't pass through from the spacing groove to the connector part, from this, the utility model discloses a hoop dish can carry on spacingly to charging wire or data line, prevents that data line or charging wire from being extracted, has certain theftproof function.

In some embodiments, the hoop disc is connected with the lower shell through a mounting block, and the limiting groove is formed in the mounting block. Thus, the installation of the hoop plate is convenient due to the installation block.

In some embodiments, a hollow groove is formed in the outer side of the outer wall of the lower shell, and a stop block is arranged on the inner wall of the lower shell and corresponds to the hollow groove. From this, both cooperations can effectively prevent foreign matter disect insertion, protect inner structure, for example can prevent that metal etc. from inserting the condition such as electric leakage, can also increase ventilation efficiency, increase intake, and then accelerate inside electronic component's heat dissipation.

The utility model has the advantages that:

1. the utility model provides a shared wireless charging device with a brand-new installation mode, which is fixed at the bottom of a desktop, and when the device is used specifically, only a charging area needs to be marked on the surface of the desktop corresponding to the device, thus not occupying any space on the desktop and not affecting the beauty of the desktop;

2. the heat generated by the electronic element and the heat in the shell are discharged from the lower shell through the ventilation hole and the radiator under the action of the radiator, and the wireless charger has a compact internal structure and a good radiating effect;

3. the arrangement of the hoop disc is convenient for accommodating data lines, power lines and the like, and the hoop disc is prevented from being wound and is convenient to use; and the hoop dish can carry on spacingly to charging wire or data line, prevents that data line or charging wire from being extracted, has certain theftproof function.

4. The hollow groove has been seted up in the outer wall outside of casing down, and the inner wall of casing is equipped with the dog down, and both cooperations can effectively prevent foreign matter disect insertion, protect inner structure, can also increase ventilation efficiency, increase intake, and then accelerate inside electronic component's heat dissipation.

Drawings

Fig. 1 is a schematic front view of a desktop back-fixed type shared wireless charging device according to an embodiment of the present invention;

fig. 2 is a schematic top view of a desktop back-fixed type shared wireless charging device according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of the wireless charger of the desktop back-fixed type shared wireless charging device shown in fig. 1;

fig. 4 is a second schematic perspective view of the wireless charger of the desktop back-fixed type shared wireless charging device shown in fig. 1;

FIG. 5 is an exploded view of the wireless charger of FIG. 3;

fig. 6 is a schematic perspective view of a lower housing of the wireless charger shown in fig. 5;

FIG. 7 is a schematic top view of the lower housing shown in FIG. 6;

fig. 8 is a schematic perspective view of the hoop plate of the wireless charger shown in fig. 5.

Reference numerals in FIGS. 1 to 8: 1-a table panel; 2-a wireless charger; 3-a device to be charged; 11-a charging area; 12-a two-dimensional code; 20-winding space; 21-an upper shell; 22-a lower housing; 23-a ferrule disk; 24-a wireless charging transmitting module; 25-magnetism isolating sheet; 26-a circuit board; 27-a heat sink; 221-hollow out grooves; 222-a stop; 223-air outlet holes; 224-locating posts; 231-a mounting block; 232-a limit groove; 261-vent hole; 271-mounting holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 8 schematically show a desktop back fixed sharing wireless charging device according to an embodiment of the present invention.

As shown in fig. 1 to 8, the desktop back fixed type shared wireless charging device includes a desktop board 1 and a wireless charger 2 installed at the bottom of the desktop board 1. The wireless charger 2 can be fixedly installed at the bottom of the table top board 1 through fasteners such as screws. The wireless charger 2 of the present embodiment includes an upper case 21, a wireless charging transmission module 24, a magnetism isolating sheet 25, a circuit board 26, a heat sink 27, and a lower case 22, which are sequentially provided from top to bottom. The upper end surface of the upper shell 21 is attached to the bottom surface of the table top board 1, and the upper shell 21 is buckled with the lower shell 22. The wireless charging transmitting module 24 and the circuit board 26 are installed in a space formed by the upper casing 21 and the lower casing 22, and the wireless charging transmitting module 24 is electrically connected with the circuit board 26. The upper housing 21 and the lower housing 22 may be made of plastic.

The circuit board 26 may be a PCBA circuit board 26 commonly used in the market for controlling the operation of the wireless charging transmission module 24. The circuit board 26 model of the present embodiment may be: JZ-Q3-PCB-M001.

The wireless charging transmitting module 24 is configured to output electric energy to the device to be charged 3 to realize wireless charging of the device to be charged 3. The wireless charging transmission module 24 includes a transmission coil. The transmitting coil of the present embodiment may be an electromagnetic induction coil that generates a magnetic field when energized and outputs electric energy to the device to be charged 3 by way of electromagnetic induction. The transmitting coil may also be a magnetic resonance coil which generates a magnetic field when energized and outputs electrical energy to the device to be charged 3 by means of magnetic resonance.

The magnetic field transmitting distance of the wireless charging transmitting module 24 is 8-30 mm. Traditional wireless charging device's wireless charging distance is only several millimeters, the utility model discloses a wireless charging device's wireless charging distance can reach 8 ~ 30 mm. The wireless charging device of the present embodiment may be a remote charging transmitter radio controller of Ningbo micro goose electronic technology, Inc. model No. WE 9012C. Therefore, even if the device is installed on the back of a desktop, the intelligent equipment placed on the desktop can be effectively charged. The utility model provides a wireless charging device of brand-new mounting means's sharing, this wireless charging device fix in the desktop bottom, when specifically using, only need at the desktop surface mark that the device corresponds charging area 11 once can, do not occupy any space on the desktop, do not influence the pleasing to the eye of desktop.

The magnetism isolating sheet 25 is installed in the space formed by the upper case 21 and the lower case 22 and is located between the circuit board 26 and the wireless charging transmission module 24. Therefore, the magnetism isolating sheet 25 is used for enhancing the magnetic field intensity of the transmitting coil of the wireless charging transmitting module 24, increasing the energy transmission efficiency and accelerating the charging speed of the device to be charged 3. The magnetic shield sheet 25 of the present embodiment may be made of manganese-zinc-ferrite.

The heat sink 27 is mounted to the lower case 22 and located between the lower case 22 and the circuit board 26. Thus, the heat sink 27 can effectively dissipate heat from the circuit board 26 and the inside of the case, and the life of each component can be prolonged.

As shown in fig. 5 to 7, the bottom surface of the lower case 22 of the present embodiment is provided with a plurality of air outlets 223. Therefore, heat is discharged from the air outlet 223 of the lower housing 22 through the air outlet of the heat sink 27, and heat dissipation is faster.

The heat sink 27 of the present embodiment may be a fan. The circuit board 26 is centrally perforated with a vent hole 261. One end of the heat sink 27 is fixedly attached to the lower case 22, and the other end is fixedly connected to the circuit board 26. The air inlet of the heat sink 27 corresponds to the air vent 261, and the air outlet of the heat sink 27 abuts against the inner bottom surface of the lower case 22. From this, the heat that electronic component produced and the inside heat of casing are discharged from casing 22 down through ventilation hole 261, radiator 27 under radiator 27 effect, the utility model discloses a wireless charger 2 inner structure is compact, and the radiating effect is good.

As shown in fig. 5, the heat sink 27 is provided with at least one mounting hole 271, and the lower housing 22 is provided with at least one limiting post, which is matched with the mounting hole 271. The number of the mounting holes 271 of the present embodiment is four, and the number of the limiting posts is also four, so that the rapid mounting of the whole heat sink 27 can be realized by the cooperation of the limiting posts and the mounting holes 271 during mounting.

As shown in fig. 3 to 5 and 8, the wireless charger 2 of the present embodiment further includes a hoop plate 23. The ferrule plate 23 functions to facilitate the housing of a power or data cable. The ferrule plate 23 is mounted to the lower case 22, and the ferrule plate 23 and the lower case 22 form a winding space 20, and the winding space 20 can accommodate an electric wire or a data wire connected to the wireless charger 2. The power line is a wire connecting the circuit board 26 to an external power source, and the data line is a charging line provided for wired charging. Specifically, a USB interface connected to the circuit board 26 may be provided on the lower housing 22 of the wireless charger 2, and a port of the data line may be matched with the USB interface. From this, the convenient data line and power cord etc. of holding of setting up of hoop dish 23 avoid twining simultaneously facilitate the use.

The hoop plate 23 is provided with a limit groove 232. The hoop plate 23 is connected to the lower housing 22 via a mounting block 231, and a limit groove 232 is formed in the mounting block 231. As shown in fig. 8, two mounting blocks 231 according to the present embodiment are mounted on both sides of the upper end portion of the ferrule holder 23. The number of the catching grooves 232 is also two. Thus, the provision of the mounting block 231 facilitates the mounting of the ferrule disk 23. When the ferrule plate 23 is mounted to the lower housing 22, the retaining groove 232 forms a retaining space with the lower housing 22.

The size of spacing groove 232 can make the line body part of data line or power cord pass through, but then can't pass through from spacing groove 232 to the connector part, from this, the utility model discloses a hoop dish 23 can carry on spacingly to charging wire or data line, prevents that data line or charging wire from being extracted, has certain theftproof function.

As shown in fig. 6 to 7, a hollow groove 221 is formed on the outer side of the outer wall of the lower case 22 in the present embodiment. The inner wall of the lower housing 22 is provided with a stopper 222, and the stopper 222 corresponds to the hollow-out groove 221. The hollow-out groove 221 is an inclined groove which is obliquely arranged from outside to inside, so that the foreign matter can be effectively prevented from being directly inserted in the hollow-out groove in a matching manner, the internal structure is protected, the situation that electric leakage occurs due to insertion of metal and the like can be prevented, the ventilation efficiency can be increased, the air intake is increased, and the heat dissipation of the internal electronic element is accelerated.

The working principle of the shared wireless charging device of the embodiment is as follows:

in an actual application scenario, a charging area 11 for identification may be set in a desktop area where the wireless charger 2 is installed, and a two-dimensional code 12 for connection with the wireless charger 2 may be set in the charging area 11 or at another location on the desktop.

When arriving near the desktop, scan two-dimensional code 12 on the desktop and be connected with wireless charger 2 through treating battery charging outfit 3 (for example electronic equipment such as smart mobile phone, bracelet), then will treat battery charging outfit 3 and place the desktop after, can realize wireless charging, convenient to use.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Fixed sharing wireless charging device in desktop back, its characterized in that includes desktop board (1) and installs in wireless charger (2) of desktop board (1) bottom, wireless charger (2) are including last casing (21), lower casing (22), wireless transmitting module (24) and circuit board (26) of charging, the up end of going up casing (21) is laminated with the bottom surface of desktop board (1) mutually, go up casing (21) and lower casing (22) lock, wireless transmitting module (24) and circuit board (26) of charging are installed in the space that last casing (21) and lower casing (22) formed, wireless transmitting module (24) and circuit board (26) electric connection of charging.

2. The desktop back-fixed shared wireless charging device according to claim 1, wherein the wireless charging transmit module (24) comprises a transmit coil.

3. The desktop back fixed type sharing wireless charging device as claimed in claim 2, wherein the magnetic field emission distance of the wireless charging emission module (24) is 8-30 mm.

4. The desktop-back fixed sharing wireless charging device according to claim 1, wherein the wireless charger (2) further comprises a magnetic shielding sheet (25), the magnetic shielding sheet (25) is installed in a space formed by the upper casing (21) and the lower casing (22) and is located between the circuit board (26) and the wireless charging transmitting module (24).

5. The desktop back-fixed shared wireless charging device according to claim 1, wherein the wireless charger (2) further comprises a heat sink (27), the heat sink (27) being mounted to the lower housing (22) and located between the lower housing (22) and the circuit board (26).

6. The desktop back fixed type sharing wireless charging device according to claim 5, wherein the heat sink (27) is a fan, a vent hole (261) is opened in the center of the circuit board (26), one end of the heat sink (27) is fixedly installed on the lower casing (22), the other end of the heat sink (27) is fixedly connected with the circuit board (26), an air inlet of the heat sink (27) corresponds to the vent hole (261), and an air outlet of the heat sink (27) abuts against the inner bottom surface of the lower casing (22).

7. A desktop back-fixed type sharing wireless charging device according to any one of claims 1 to 6, wherein the wireless charger (2) further comprises a hoop plate (23), the hoop plate (23) is mounted on the lower shell (22), the hoop plate (23) and the lower shell (22) form a winding space (20), and the winding space (20) can accommodate wires or data wires connected with the wireless charger (2).

8. The desktop back-fixed type sharing wireless charging device as claimed in claim 7, wherein a limiting groove (232) is formed on the hoop tray (23).

9. The desktop back-fixed sharing wireless charging device according to claim 8, wherein the hoop tray (23) is connected with the lower housing (22) through a mounting block (231), and the limiting groove (232) is opened at the mounting block (231).

10. The desktop back fixed type sharing wireless charging device according to any one of claims 1 to 6, wherein a hollow groove (221) is formed in an outer side of an outer wall of the lower housing (22), a stopper (222) is arranged on an inner wall of the lower housing (22), and the stopper (222) corresponds to the hollow groove (221).