CN203434660U - Wireless charging device of portable device - Google Patents

Abstract

The utility model provides a wireless charging device of a portable device. An upper cover is embedded with a bottom shell to form a box-shaped structure; bottom feet and radiation holes are arranged on the lower part of the bottom shell, a power supply jack or a USB port are arranged on the side surface of the bottom shell; an annular rubber ring is arranged on the upper surface of the upper cover and composed of a support part, a clearance part and a transition part, namely an annular curved surface and a plurality of planes form irregular surfaces; a charging structure is arranged in the bottom shell and composed of a temperature sensor, a coil, a ferrite, an aluminum plate and a circuit board; the coil is arranged on the ferrite, the temperature sensor is arranged on the coil, the lower surface of the ferrite is adhered with the circuit board by the aluminum plate, one or several LED indication lamps are arranged on the circuit board, and the circuit board is used for receiving the external direct-current energy, conversing the direct-current energy into the alternative-current energy and generating an alternative-current magnetic field, and the electric energy is transmitted by the coil. The wireless charging device meets the Qi standard and is suitable for wirelessly charging various portable devices.

Description

The wireless charging device of portable set

Technical field

The utility model relates to electric equipment products technical field, specifically, is a device that can charge with wireless mode for portable set.

Background technology

Wireless charging technology is the new technology occurring in recent years.According to this know-why people, studying corresponding wireless charging device.From the disclosed content of existing document, the report of more existing wireless charging devices.But, from the structure of existing wireless charging device, in the structure of the circuit, the layout of circuit and the employing of coil and the charging module that adopt, be all not quite similar, having some is universal chargers, and it is also rare to meet the wireless charging device of Qi standard.

Utility model content

The purpose of this utility model is to address the above problem, a kind of device that can charge with wireless mode for portable set is provided, it is the wireless charging device that meets Qi standard, the inconvenience that has overcome contact charging modes, is applicable to the multiple portable sets such as mobile phone, panel computer, small household appliances, appliance for personal care, medical nursing equipment.

For achieving the above object, the utility model has adopted following technical scheme.

A wireless charging device for portable set, contains upper cover, drain pan, footing, and described upper cover and described drain pan be chimeric becomes a box-like structure; Below described drain pan, be provided with at least three footing and louvre, the heat radiation original paper of the inner charging structure arranging of described louvre and drain pan is adjacent, is provided with outlet or USB socket in the side of described drain pan; It is characterized in that, on described upper cover, be provided with annular rubber ring, in described drain pan, charging structure is set, described charging structure comprises temperature sensor, coil, ferrite, the aluminium sheet arranging from top to bottomwithcircuit board: described coil is arranged on ferrite, described temperature sensor is set on described coil, described ferritic below by aluminium sheet and circuit board laminating, on described circuit board, be provided with one or more LED light, for showing the immediate status of charging device, described circuit board, for receiving outside DC energy, direct current being become to alternating current, produces alternating magnetic field, by coil, sends electric energy.

Further, described annular rubber ring consists of support portion, clearance portion and transition part, by anchor ring and a plurality of plane, cuts friendship and forms, by annular surface and a plurality of plane, forms irregular.

Further, described ferrite is monolithic structure part or by four structural members that ferrite is spliced to form of homalographic.

Further, described coil comprises seven stacked coils, and the centre that is arranged on the coil of the ferrite Shang， the superiors being spliced to form by four homalographic ferrites is provided with temperature sensor or magnet.

Further, described coil comprises four stacked coils, and interlocking is provided with temperature sensor or magnet in the centre of the ferrite Zhong， of whole piece structure the superiors coil.

Further, described coil contains a coil, and interlocking, in the ferrite of whole piece structure, is provided with temperature sensor or magnet in the centre of described coil.

The good effect of the wireless charging device of the utility model portable set is:

(1) meet the wireless charging device of Qi standard, described apparatus structure miniaturization, has taken into full account the functional of the friendly of man-machine interaction and wireless charging device within it in the design of portion and external structure.

(2) skid resistance of product and thermal diffusivity have all been done to sufficient consideration in structural design.

(3) overcome the inconvenience of contact charging modes, be applicable to the wireless charging of the multiple portable sets such as mobile phone, panel computer, small household appliances, appliance for personal care, medical nursing equipment and promoted the performance of wireless charging device.

Accompanying drawing explanation

Fig. 1 is the surface structure schematic diagram of the wireless charging device of the utility model portable set.

Fig. 2 is the STRUCTURE DECOMPOSITION figure of the wireless charging device of the utility model portable set.

Fig. 3 is the structural representation of annular rubber ring.

Fig. 4 is the STRUCTURE DECOMPOSITION figure I of charging structure.

Fig. 5 is the STRUCTURE DECOMPOSITION figure II of charging structure.

Fig. 6 is that the wireless charging device circuit function of the utility model portable set connects block diagram.

Label in figure is respectively:

1, annular rubber ring; 2, upper cover; 3, charging structure; 4, drain pan;

5, footing; 6, support portion; 7, transition part; 8, clearance portion;

9, coil; 10, ferrite; 11, aluminium sheet; 12, circuit board;

13, temperature sensor; 14, louvre; 15, outlet.

Embodiment

Below in conjunction with accompanying drawing, further explain the embodiment of the wireless charging device of the utility model portable set, but be noted that enforcement of the present utility model is not limited to following execution mode.

Referring to Fig. 1 and 2, a kind of wireless charging device of portable set, contains annular rubber ring 1,upper cover 2,charging structure 3,drain pan 4 and footing 5.Describedupper cover 2 adopts the insulation material-structure parts such as engineering plastics with describeddrain pan 4, andupper cover 2 has semi-transparent characteristic, each other box-like structure of chimeric one-tenth.Fourfooting 5 and somelouvres 14 are set in the bottom of describeddrain pan 4, and describedfooting 5, for support wireless charging device, guarantees thatlouvre 14 can normally dispel the heat simultaneously.Describedlouvre 14 can be designed to certain shape adjacent with the heat radiation original paper ofcharging structure 3 that is arranged ondrain pan 4 inside, can guarantee the quick heat radiating of wireless charging device.Outlet 15 or USB socket are set in the side of described drain pan 4: described supply hub is used for connecting civil power; Described USB socket hole is MiniUSB or MicroUSB interface, and by USB patchcord, be connected civil power provides electric energy or utilize computer that electric energy is provided with power transformer.

Feature structure of the present utility model is:

(1) an annular rubber ring 1(is set on describedupper cover 2 referring to Fig. 3).Described annular rubber ring 1 consists ofsupport portion 6,clearance portion 8 and transition part 7, by anchor ring and a plurality of plane, cuts friendship and forms, by annular surface and a plurality of plane, forms irregular, and its function is: 1. the placement location for portable set provides visual guidance; 2. carry portable set, have certain frictional force, prevent that the portable equipment being placed on it from sliding; 3. irregular surface provides a plurality of strong points to the portable set carrying on it and charge, and a plurality of gaps therebetween are also conducive to the heat radiation of charging device itself and portable set.

(2) in the inside of describeddrain pan 4,charging structure 3 is set.Describedcharging structure 3 comprisescoil 9,ferrite 10,aluminium sheet 11,circuit board 12 and thetemperature sensor 13 arranging from top to bottom.

Describedcoil 9 comprises seven stacked coils (referring to Fig. 4).Describedcoil 9, for meeting the version of Qi standard-required, adopts copper wire coiling.Described sevenstacked coils 9 are arranged on theferrite 10 being spliced to form by four homalographic ferrites to (function of describedferrite 10 is that the alternating magnetic field forcoil 9 provides constraint and carrier, reduce alternating magnetic field to the energy of external loss), middleset temperature transducer 13 at a coil of the superiors, describedtemperature sensor 13, for the conversion of sensing charging part megadyne temperature degree, regulates charge level; Or the center at a coil of the superiors arranges magnet (not shown), for guiding portable set correctly to locate, to guarantee best charge efficiency.

Describedcoil 9 adopts four stacked coils same as above, middleset temperature transducer 13 or magnet by four stacked coil interlockings at the ferrite 10Zhong， of whole piece structure the superiors coil, and the function of the two is as previously mentioned.

Describedcoil 9 adopts a coil same as above, and by it interlocking, in theferrite 10 of whole piece structure, at the center of described coil settemperature transducer 13 or magnet, its function as previously mentioned.

Then, describedferrite 10 is passed through toaluminium sheet 11 andcircuit board 12 laminatings (referring to Fig. 5).The effect of describedaluminium sheet 11 is isolated magnetic field, avoids magnetic field to exert an influence to circuit around, is also conducive to the heat radiation of charge coil simultaneously.On described circuit board, be provided with one or more LED light, for showing the immediate status of charging device.Described LED light can see through semi-transparentupper cover 2 and show.The function of describedcircuit board 12 is to receive outside DC energy, direct current is become to alternating current, produces alternating magnetic field, bycoil 9, sends electric energy.

Referring to Fig. 6.The circuit connecting mode of the wireless charging device of the utility model portable set is:

Describedcircuit board 12 contain DC decompression module 2., main control module 3., DC-AC conversion and driver module 4.,signal demodulation module 6. with indicating lamp module 8.,buzzer module 9..Describedcircuit board 12 by supply module a part of electric energy that 1. (external power source transformer or USB interface) provides after 2. voltage reduction module is adjusted for 3. main control module provides power supply; Described main control module is 3. for coordinating and control the realization of charge function.In addition, 4. the DC-AC conversion that 3. most of electric energy that 1. supply module provides is controlled via main control module is adjusted with driver module, realizes the conversion of DC-AC electric energy, more 5. energy is launched through transmitting coil.At receiving terminal (not comprising in figure), the receiving coil of portable set, with the mode received energy of electromagnetic induction, is portable set charging after conversion, and feedback information is loaded into transmitting coil, via signal demodulation module, 6. process, 3. merit main control module is analyzed, and adjusts charge parameter.During charging, 7. 3. main control module monitor the 5. situation of variations in temperature of transmitting coil by temperature detecting module, adjusts in time charge parameter, prevents that charging device is overheated.In charging process, indicatinglamp module 8. orbuzzer module 9. can show charged state.Each functional module adopts existing technology and parts above, can professional operate and implement.

Each functional module adopts existing technology and parts above, can professional operate and implement.

Claims (6)

1. a wireless charging device for portable set, contains upper cover (2), drain pan (4), footing (5), and described upper cover (2) and described drain pan (4) be chimeric becomes a box-like structure, in described drain pan (4) below, be provided with at least three footing (5) and louvre (14), described louvre (14) is adjacent with the heat radiation original paper of the inner charging structure (3) arranging of drain pan (4), in the side of described drain pan (4), be provided with outlet (15) or USB socket, it is characterized in that, on described upper cover (2), be provided with annular rubber ring (1), charging structure (3) is set in described drain pan (4), described charging structure (3) comprises the temperature sensor (13) arranging from top to bottom, coil (9), ferrite (10), aluminium sheet (11) and circuit board (12): described coil (9) is arranged on ferrite (10), described temperature sensor is set on described coil, fitting below by aluminium sheet (11) and circuit board (12) of described ferrite (10), on described circuit board, be provided with one or more LED light, for showing the immediate status of charging device, described circuit board (12) is for receiving outside DC energy, direct current is become to alternating current, produce alternating magnetic field, by coil, send electric energy.

2. the wireless charging device of portable set according to claim 1, it is characterized in that, described annular rubber ring (1) consists of support portion (6), clearance portion (8) and transition part (7), by anchor ring and a plurality of plane, cuts friendship and forms, by annular surface and a plurality of plane, forms irregular.

3. the wireless charging device of portable set according to claim 1, is characterized in that, described ferrite (10) is for monolithic structure part or by four structural members that ferrite is spliced to form of homalographic.

4. the wireless charging device of portable set according to claim 1, it is characterized in that, described coil (9) comprises seven stacked coils, the centre that is arranged on the coil of ferrite (10) the Shang， the superiors being spliced to form by four homalographic ferrites is provided with temperature sensor (13) or magnet.

5. the wireless charging device of portable set according to claim 1, it is characterized in that, described coil (9) comprises four stacked coils, and interlocking is provided with temperature sensor (13) or magnet in the centre of ferrite (10) the Zhong， the superiors coil of whole piece structure.

6. the wireless charging device of portable set according to claim 1, it is characterized in that, described coil (9) contains a coil, and interlocking, in the ferrite (10) of whole piece structure, is provided with temperature sensor (13) or magnet in the centre of described coil.

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