CN207381999U - A wireless charging base - Google Patents

Abstract

The utility model discloses a kind of wireless charging pedestals, it is intended to overcome in the prior art wireless charging pedestal heat easily gather, radiate the defects of slow.It includes hollow base body, transmitting coil and control mainboard, parcel shelf is equipped at the top of base body, heat-conducting layer made of a heat-conducting silica gel sheet is equipped at the top of parcel shelf, transmitting coil equipped with control mainboard and connection control mainboard in base body, the inner cavity of base body is separated into the heat dissipation road of horizontal " u " type structure by control mainboard, and heat dissipation road one end is equipped with heat emission hole, and the heat dissipation road other end is equipped with air inlet, heat emission hole and air inlet are located at base body surface, and air inlet is equipped with radiator fan.The utility model has the following advantages that：Using heat dissipation road, radiator fan and heat-conducting layer, prevent heat from gathering, heat generation is just quickly taken away, rapid heat dissipation；Waterproof and dustproof, compact-sized, the operation is stable, service life are high；Wireless charging efficiency of transmission is high；Using wireless charging mode charge conveniently, it is highly practical.

Description

A wireless charging base

technical field

The utility model relates to the field of charging equipment, in particular to a wireless charging base.

Background technique

Wireless charging, also known as non-contact inductive charging, is an adaptable and safe energy transmission charging method. Through wireless charging technology, people can get rid of the troublesome problems of using charging cables, chargers and power cables, and can It is very convenient to charge. Nowadays, various wireless charging bases have been developed to meet people's wireless charging needs.

Most of the existing wireless charging bases are in the shape of a flat plate, compact in structure, and thin in shape. When charging, the electronic device with the receiving coil can be charged on the charging base. However, during the charging process, due to the conversion efficiency problem , Electric energy is converted into heat energy on the electronic device and the charging base, and the wireless charging of the electronic device is limited by the distance, and generally needs to be attached to the charging base, which leads to the formation of heat accumulation above the charging base, and the charging base is compact in structure and slow in heat dissipation , The heat dissipation effect is poor, resulting in the accumulation of internal heat, especially on the transmitting coil and the control board. When the heat accumulates to a certain temperature, it will affect the normal operation of the charging base, and even affect the service life.

Utility model content

The utility model aims to overcome the defects of easy heat accumulation and slow heat dissipation of the wireless charging base in the prior art, and provides a wireless charging base that solves heat accumulation and quickly dissipates heat.

In order to achieve the above object, the utility model adopts the following technical solutions:

A wireless charging base of the present utility model includes a hollow base body, a transmitting coil and a control board, the top of the base body is provided with a storage board, the top of the storage board is provided with a heat conduction layer made of heat-conducting silica gel sheet, and the base body is provided with a control board And connected to the transmitting coil of the control board, the control board divides the inner cavity of the base body into a U-shaped cooling channel, one end of the cooling channel is provided with a cooling hole, and the other end of the cooling channel is provided with an air inlet, and the cooling hole and the air inlet are located on the base On the surface of the body, the air inlet is provided with a cooling fan. When an electronic device with a receiving coil is placed on the storage board for charging, the transmitting coil and the control board generate heat, and the cooling fan brings in cold air from the outside through the air inlet. The cold air passes through the U-shaped cooling channel, passing through the control board, the transmitter The coils are fully in contact, and the cold air takes away the excess heat on the control board and the transmitting coil through heat exchange, and finally blows out from the heat dissipation holes of the U-shaped heat dissipation channel, and the heat conduction layer evenly guides the heat generated by the electronic equipment when it is charged. Improve the heat dissipation area, U-shaped heat dissipation channel, heat dissipation fan and heat dissipation layer to ensure that the heat generated during charging will not accumulate, and when heat is generated, it can be quickly dissipated to the outside, with high heat dissipation efficiency.

Preferably, the air inlet is located on the side edge of the bottom of the base body.

Preferably, the heat dissipation fan is a radial flow fan, the heat dissipation fan is arranged in the base body, and the heat dissipation fan blows air along the U-shaped heat dissipation channel to the heat dissipation hole.

Preferably, the transmitting coil is fixed on the bottom of the storage board, and the bottom of the transmitting coil is provided with a magnetic isolation sheet.

Preferably, the cooling holes and the air inlets are respectively provided with air filters.

Preferably, the thickness of the storage board is less than 13.8mm. The transmission efficiency is above 50%.

Preferably, the control board is connected with a power line.

Preferably, a waterproof layer is provided on the top of the heat conducting layer.

Therefore, the utility model has the following advantages: (1) The wireless charging base adopts a U-shaped heat dissipation channel, a heat dissipation fan and a heat conduction layer to prevent heat accumulation, and the heat is quickly taken away when heat is generated, and the heat dissipation is fast; (2) Waterproof and dustproof , Compact structure, stable operation, long life; (3) High transmission efficiency of wireless charging; (4) Convenient charging and strong practicability by wireless charging.

Description of drawings

Fig. 1 is a schematic structural diagram of a wireless charging base of the present invention;

Fig. 2 is a bottom view of a wireless charging base of the present invention;

Fig. 3 is a side view of a wireless charging base of the present invention;

Fig. 4 is a schematic structural diagram of a storage board of a wireless charging base of the present invention;

In the figure: 1-storage board, 2-transmitting coil, 3-magnetic isolation sheet, 4-cooling hole, 5-control board, 6-cooling fan, 7-air inlet, 8-base body, 9-foot support, 10-air filter, 11-waterproof layer, 12-heat conduction layer, 13-power cord.

Detailed ways

As mentioned above, a detailed description of a wireless charging base proposed by the present invention will be provided below in conjunction with the accompanying drawings.

As shown in Figure 1, a preferred embodiment of a wireless charging base of the present invention is shown. A wireless charging base includes a hollow base body 8, a transmitting coil 2 and a control board 5. The base body 8 is a box-type Shell structure, the top of the base body 8 is provided with a storage board 1, the storage board 1 is made of acrylic material, to ensure that the storage board 1 on the charging path will not affect the charging efficiency during wireless charging.

As shown in Figure 4, the top of the storage board 1 is provided with a thermally conductive layer 12 made of a thermally conductive silica gel sheet. The electromagnetic interference to the transmission of the wireless charging base is small, and the heat conduction layer 12 evenly guides the heat generated when the electronic device is charged to the surroundings of the storage board 1, which improves the heat dissipation area and also plays the role of insulation and shock absorption. The top of the heat conduction layer 12 is coated with a layer Waterproof layer 11, waterproof layer 11 is made of TPU paint, plays waterproof effect.

As shown in Figures 1 and 3, the base body 8 is provided with a control board 5 and a transmitting coil 2 connected to the control board 5, and the control board 5 divides the inner cavity of the base body 8 into a heat dissipation channel of a "u" structure, " One end of the heat dissipation channel of the "u" structure is provided with a heat dissipation hole 4, and the other end of the heat dissipation channel of the "u" structure is provided with an air inlet 7, and the heat dissipation hole 4 and the air inlet 7 are located on the surface of the base body 8, and the air inlet 7 A cooling fan 6 is provided. When an electronic device with a receiving coil is placed on the storage board 1 for charging, the transmitting coil 2 and the control board 5 generate heat, and the cooling fan 6 brings in cold air from the outside through the air inlet 7, and the cold air passes through the "u"-shaped structure The heat dissipation channel passes through the control board 5 and the transmitting coil 2 and fully contacts, and the cold air takes away the excess heat on the control board 5 and the transmitting coil 2 through heat exchange, and finally passes through the heat dissipation hole 4 of the "u"-shaped heat dissipation channel. Blowing out, the "u"-shaped heat dissipation channel, heat dissipation fan 6 and heat dissipation layer ensure that the heat generated during charging will not accumulate, and when heat is generated, it can be quickly dissipated to the outside, with high heat dissipation efficiency.

As shown in FIG. 2 , the air inlet 7 is located on the side edge of the bottom of the base body 8 . The air inlet 7 is located at the bottom so that when a larger air inlet 7 is opened, it does not affect the compact structure of the wireless charging base.

The cooling hole 4 and the air inlet 7 are respectively provided with an air filter 10 . The air filter 10 filters the air that enters through the heat dissipation holes 4 and the air inlet 7 on the wireless charging base, and filters out the dust particles and moisture that are sent into the air in the base. The control board 5 and the transmitting coil 2 in the charging base are If the precision components are stained with dust or moisture, there will be problems of reduced wireless transmission efficiency, increased heat generation and equipment damage. The air filter 10 can ensure the normal operation of the wireless charging base and improve the service life of the wireless charging base.

The transmitting coil 2 is fixed on the bottom of the storage board 1 , and the bottom of the transmitting coil 2 is provided with a magnetic isolation sheet 3 . The magnetic isolation sheet 3 is arranged at the bottom of the transmitting coil 2, and the excellent magnetic permeability of the magnetic isolation sheet 3 is used to increase the magnetic flux of the coil to reduce the loss of the copper coil, so that the magnetic induction line surrounds the magnetic isolation sheet 3 as the center to increase the electromagnetic induction. Strength, improve the electromagnetic conversion efficiency, improve the efficiency of energy conversion, play a role in reducing heat generation and saving electric energy. The transmitting coil 2 is arranged at the bottom of the storage board 1 to reduce the wireless charging transmission distance and improve the transmission efficiency.

The heat dissipation fan 6 is a radial flow fan, and the heat dissipation fan 6 is arranged in the base body 8, and the heat dissipation fan 6 outputs air to the heat dissipation hole 4 along the heat dissipation path of the "u" structure. The structure of the wireless charging base is compact through radial air outlet.

The thickness of the storage board 1 is less than 13.8mm. Ensure that the wireless transmission efficiency is above 50%.

A foot support 9 is provided along one side of the bottom of the base body 8 , and the foot support 9 is located on the side of the air inlet 7 .

A power cord 13 is provided outside the base body 8 .

Therefore, the utility model has the following advantages: the wireless charging base adopts a "u"-shaped heat dissipation channel, a heat dissipation fan 6 and a heat conduction layer 12 to prevent heat accumulation, and the heat is quickly taken away when heat is generated, and the heat dissipation is fast; waterproof and dustproof , Compact structure, stable operation, long life; wireless charging transmission efficiency is high; wireless charging is convenient and practical.

Claims (8)

1. a kind of wireless charging pedestal, which is characterized in that including hollow base body (8), transmitting coil (2) and control mainboard (5), parcel shelf (1) is equipped at the top of base body (8), heat-conducting layer (12) made of a heat-conducting silica gel sheet are equipped at the top of parcel shelf (1), Transmitting coil (2) equipped with control mainboard (5) and connection control mainboard (5) in base body (8), control mainboard (5) is by base body (8) inner cavity is separated into a U-shaped heat dissipation road, and heat dissipation road one end is equipped with air inlet along heat emission hole (4), the heat dissipation road other end is equipped with (7), heat emission hole (4) and air inlet (7) are located at base body (8) surface, and air inlet (7) is equipped with radiator fan (6).

2. a kind of wireless charging pedestal according to claim 1, which is characterized in that air inlet (7) is located at base body (8) bottom Portion side edge.

3. a kind of wireless charging pedestal according to claim 1, which is characterized in that radiator fan (6) is radial fan, is dissipated Hot-air fan (6) is located in base body (8), and radiator fan (6) is along U-shaped heat dissipation road to heat emission hole (4) outlet air.

4. a kind of wireless charging pedestal according to claim 1, which is characterized in that transmitting coil (2) is fixed on parcel shelf (1) bottom, transmitting coil (2) bottom are equipped with antifreeze plate (3).

5. a kind of wireless charging pedestal according to claim 1, which is characterized in that heat emission hole (4) and air inlet (7) are respectively Equipped with airstrainer (10).

6. a kind of wireless charging pedestal according to claim 1, which is characterized in that parcel shelf (1) thickness is less than 13.8mm.

7. a kind of wireless charging pedestal according to claim 1, which is characterized in that power cord is equipped on the outside of base body (8) (13)。

8. a kind of wireless charging pedestal according to claim 1, which is characterized in that waterproof layer is equipped at the top of heat-conducting layer (11)。