CN208539596U - A kind of wireless charger - Google Patents

Abstract

The utility model provides a kind of wireless charger, including shell, the coil mould group for being mounted on the intracorporal radiator fan of shell, being mounted on the intracorporal circuit board of shell and charging for electronic equipment, the coil mould group is mounted on the top of circuit board, the coil mould group, radiator fan with the circuit board electrical connection, the side or lower section of the shell are provided with air inlet, are provided with air outlet above the shell；When the radiator fan works, wind that radiator fan is discharged is blown to the upper surface of the electronic equipment and shell by the air outlet by air outlet；The wireless charger is provided with radiator fan, to increase the heat dissipation effect of wireless charger and be placed on the heat dissipation effect of the electronic equipment to charge on wireless charger.

Description

A kind of wireless charger

Technical field

The utility model relates to the accessories field of wireless charging, in particular to a kind of wireless charger.

Background technique

With the development of science and technology, various electronic equipments apply increasingly extensive, and electronic equipment (example in people's daily life Such as dynamic token) on the charging modes of rechargeable battery that use become focus, in the prior art it is general using USB line come Charging, it is not portable enough, " pass through inducing method wireless power sharing disclosed on October 24th, 2006 Samsung Electronics Co., Ltd Equipment method " patent of invention (publication number: CN 1956288A), the patented invention is a kind of not contact and wirelessly feel The method to charge to battery with answering, major way are as follows: alternating current (AC) voltage is converted to DC current (DC) electricity by rectifier Pressure, and output dc voltage；The D/C voltage that rectifier exports is converted into AC voltage by inverter, and single by power control and conversion Member is that the battery of external electronic device charges.

But wireless induction be that electric power passes through and in feeder ear changes into alternating current magnetic wave by direct current to the method for battery charging Signal, electricity can all be caused by changing into the electronic building brick that electric current in direct current process is passed through by alternating current magnetic wave signal using receiving end The loss of power simultaneously gives off heat, such as China Patent Publication No. is a kind of portable power supply device of CN204597527U, this is specially Benefit carries out power supply unit using increase radiating subassembly (radiator structures such as shell local use metal material or heat conductive silica gel) scattered Heat, so that it is guaranteed that the charge-discharge performance of power supply unit；Also if China Patent Publication No. is a kind of wireless charging of CN204741482U Electric hand casing, which is radiated using fitting heat-dissipating aluminium plate on circuit boards, to play the role of protecting circuit；For another example China Patent Publication No. is a kind of mobile phone wireless cradle of CN205051394U, which uses heat dissipation copper pipe by wireless charging Coil is transmitted to the heat on pedestal and is timely transmitted in external environment, it is ensured that Wireless charging coil being capable of normal, steady operation； However these structures are still unable to satisfy wireless charging base radiating requirements, and electronic equipment can also generate greatly during the charging process The heat of amount, these are all the problem of existing wireless charging must improve, and if not will affect the charging effect of electronic equipment.

Utility model content

For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of wireless chargers, this is wireless Charger is provided with radiator fan, is charged on wireless charger with to increase the heat dissipation effect of wireless charger and being placed on The heat dissipation effect of electronic equipment.

The purpose of this utility model adopts the following technical scheme that realization:

A kind of wireless charger, including shell, be mounted on the intracorporal radiator fan of shell, be mounted on the intracorporal circuit board of shell and For the coil mould group of electronic equipment charging, the coil mould group is mounted on the top of circuit board, the coil mould group, radiator fan With the circuit board electrical connection, the side or lower section of the shell are provided with air inlet, are provided with out above the shell Air port；When the radiator fan works, the wind that radiator fan is discharged is blown to the electronics by air outlet and set by the air outlet Standby and shell upper surface.

Further, the shell includes upper cover and lower cover, and the upper cover and lower cover are connected with each other and surround a receiving Cavity, the coil mould group, circuit board and radiator fan are installed in the accommodating cavity, and the upper lid is equipped with by waterproof and breathable Panel made of membrane material, the air outlet are the hole on waterproof ventilated membrane.

Further, it is additionally provided with the protrusion for being used to support electronic equipment on the upper lid, the protrusion is looped around the face The top of plate, and the protrusion is connect with the lower cover.

Further, the shell includes upper cover and lower cover, and the upper cover and lower cover are connected with each other and surround a receiving Cavity, the coil mould group, circuit board and radiator fan are installed in the accommodating cavity, and the side of the upper cover is equipped with wall Portion, the air outlet are equipped in wall portion.

Further, the upper cover is equipped with protrusion, and the protrusion is to support the electronic equipment, so that the electronics is set Standby that a cooling layer is formed between the upper cover, the cooling layer is connected to outside air.

Further, the inside of the wall portion is equipped with air duct, and the air outlet is located at air duct towards on one end of cooling layer, The other end in the air duct is connected to fan.

Further, the protrusion is looped around on the upper lid, and the wall portion is set on the side of protrusion.

Further, the lower cover includes bottom plate and the side plate around bottom plate side, and the air outlet is equipped with the side plate On.

Further, the quantity of the air inlet is multiple, and multiple air inlets are uniformly looped around on the side of the side plate.

Further, it is covered with bracket under described, the wireless charger can be stood on a supporting surface by the bracket.

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

In the wireless charger of above-mentioned technical proposal, by the way that the intracorporal radiator fan of shell is arranged, so that in wireless charger The air in portion and extraneous air swap, and then are expanded by the heat that the air of flowing generates coil mould group at work It is dissipated to the external world, is radiated, and the wind of radiator fan discharge is blown to the upper surface of electronic equipment and shell by air outlet, makes The electronic equipment during wireless charger can fast cooling, play the effect killed two birds with one stone.

Detailed description of the invention

Fig. 1 is the decomposition diagram for the wireless charger that the utility model embodiment one provides.

Fig. 2 is the diagrammatic cross-section of wireless charger in the utility model embodiment one.

Fig. 3 is one coil mould group of the utility model embodiment, the connection schematic diagram of radiator fan and board circuit.

Fig. 4 is the system schematic of circuit board in the utility model embodiment one.

Fig. 5 is the circuit diagram of circuit board in the utility model embodiment one.

Fig. 6 is the decomposition diagram for the wireless charger that the utility model embodiment two provides.

Specific embodiment

Before describing the embodiments in more detail, it should be understood that the utility model is not limited in the application hereafter or attached drawing Described in detailed construction or arrangement of elements.The embodiment that the utility model can be realized for other way.Moreover, it should manage Solution, the words and terms used herein are for illustrative purposes only, should not be interpreted in a limited way." packet used herein Include ", "comprising", the similar wording such as " having " means comprising items listed thereafter, its equivalent and other additional things.It is special It is not that when describing " a certain component ", it also may include more that the utility model, which does not limit the quantity of the element as one, It is a.

As shown in Figs. 1-5, a kind of wireless charger 100 that the utility model embodiment one provides, including shell, coil mould Group 20, circuit board 30 and radiator fan 40, wherein coil mould group 20 is used for as electronic equipment charging, coil mould group 20, heat dissipation Fan 40 is electrically connected with circuit board 30, and in the present embodiment, shell includes upper cover 11 and lower cover 12, upper cover 11 and 12 phase of lower cover It connects and surrounds an accommodating cavity 115, coil mould group 20, circuit board 30 and radiator fan 40 are mounted on the accommodating cavity In 115, coil mould group 20 is mounted on the top of circuit board 30, and radiator fan 40 is located between coil mould group 20 and circuit board 30, The top of upper cover 11 is provided with air outlet (not shown), and the side or lower section of lower cover 12 are provided with air inlet 125, work as electronics Equipment is placed on when being charged on wireless charger 100, and radiator fan 40 operates and drives the gas outside radiator fan 40 Stream enters in accommodating cavity 115 from air inlet 125, which flows to the outlet air of upper cover 11 after the wind wheel of radiator fan 40 accelerates Mouthful, and then converged in air outlet and then blow to electronic equipment and the surface corresponding with electronic equipment of upper cover 11, so not The heat source generated in 100 course of work of wireless charger can only be quickly move through to air outlet discharge outside, heat radiation effect Fruit effectively extends the service life of wireless charger 100；Meanwhile be placed on the electronic equipment to charge in upper cover 11 can also With the wind being discharged by air outlet, the heat source generated in electronic equipment charging process is taken away, it is scheduled to reach electronic equipment Heat dissipation effect plays the role of killing two birds with one stone.

Fig. 1-2 is please referred to, upper cover 11 includes panel 112 and the protrusion 113 for being looped around 112 upper end of panel, in the present embodiment In, the top surface of protrusion 113 is higher than the top surface of panel 112, be used to support electronic equipment to be charged so that electronic equipment and upper cover it Between form a cooling layer 118, which is connected to outside air and air outlet, not only can be by wireless charger The heat source generated in the heat source and charged electronic equipment charging process generated in 100 courses of work is diffused rapidly in air, is risen To cooling effect；It also avoids wireless charger 100 that heat is directly transferred to electronic equipment by panel 112 simultaneously, influences electricity The charging effect of sub- equipment.

Fig. 1-2 is please referred to, the shape of panel 112 is tabular, or other any shapes, in the present embodiment In, panel 12 is using the waterproof ventilated membrane in a kind of LED lamp with waterproof ventilated membrane disclosed in Chinese patent, patent Number for ZL201320349681.3 record waterproof ventilated membrane, the waterproof ventilated membrane include successively paste composite joint tissue layer, Adhesive layer and waterproof ventilative layer, wherein waterproof ventilative layer preferably passes through biaxial tension treated that expanded ptfe is micro- Hole film layer, inorganic filler particle forms micropore with the plastic foil matrix junction being formed in biaxial orientation process, on Air outlet on lid 11 is the micropore, due to these micropores size be Subnano-class, micropore size be 0.05~15 μm it Between, consequently facilitating the heat in accommodating cavity 115 is discharged by the micropore (i.e. air outlet) for radiator fan 40, and the electricity that charges Sub- equipment is placed on the top of panel 112 by protrusion 113, i.e. the direction of air outlet holds during the work time towards electronic equipment It is also easy to produce the position of heat source, the wind which can be discharged by air outlet can reach scheduled heat dissipation effect；In addition, The aperture size of micropore is not enough to that hydrone is allowed to pass through, and plays waterproof effect, not only avoids moisture by air outlet and enters nothing Inside line charge electric appliance 100,30 short circuit of coil mould group 20 or circuit board is caused, while being also prevented from dust or metal powder by that should go out Air port enters other adverse effects for inside wireless charger 100 and causing circuit board 30 or radiator fan 40.

Fig. 1-2 is please referred to, protrusion 113 includes sequentially connected mounting portion 114, extension 116 and interconnecting piece 117, In, the shape of mounting portion 114 is adapted with the shape of panel 112, which is mounted on the inner wall of mounting portion 114, at this In embodiment, extension 116 is tilted down away from 112 direction of panel by one end edge of mounting portion 114 and is extended to form, interconnecting piece 117 one end by extension 116 far from mounting portion 114 tilts down towards panel 112 and extends to form, and interconnecting piece 117 is separate to be prolonged One end of extending portion 116 is connect with lower cover 12, after the above technical solution is adopted, not only can be effectively fixed on panel 112 convex It rises on 113, and also ensures that protrusion 113 has enough bearing capacitys and stability, while also meeting product and being easy to fill Match and light-weighted overall effect.

Fig. 1-2 is please referred to, lower cover 12 includes bottom plate 121 and the side plate 123 around the setting of the side of bottom plate 121, side plate 123 are tilted extend to form upwards by all lateral edges of bottom plate 121 away from the direction of bottom plate 121, and side plate 123 is far from bottom plate 121 One end connect with interconnecting piece 117, air inlet 125 be arranged on side plate 123, in the present embodiment, the quantity of air inlet 125 is Multiple, multiple air inlets 125 are uniformly looped around on the side of the side plate, in order to provide more intakes.

Fig. 1-2 is please referred to, the lower section of coil mould group 20 is equipped with magnetic conduction sheet 21, electric power and sending for circuit board for receiving 30 The magnetic line of force, in the present embodiment, coil mould group 20 are set to magnetic conduction sheet 21 adjacent to the side of upper cover 11, since magnetic conduction sheet 21 has It is oriented to magnetic function, so that coil mould group 20 is merely able to issue the magnetic line of force, i.e. direction along the side away from magnetic conduction sheet 21 The side of upper cover 11 issues the magnetic line of force, and without issuing the magnetic line of force towards magnetic conduction sheet 21, coil mould group 20 issues the magnetic line of force and position Electromagnetic induction is carried out in the electronic equipment to be charged in the upper cover 11, so that treating charged electronic equipment carries out wireless charging, In addition, magnetic conduction sheet 21 also has heat sinking function.

Fig. 1-2 is please referred to, radiator fan 40 is fixed in shell, and radiator fan 40 is located at magnetic conduction sheet 21 and circuit board Between 30, in the present embodiment, the outlet air end of radiator fan 40 and the position of air outlet are corresponding, the air intake of radiator fan 40 It is corresponding with the position of air inlet 125, when the rotation of the wind wheel of radiator fan 40, air-flow outside wireless charger 100 from into Air port 125 enters in accommodating cavity 115, and the wind wheel which enters radiator fan 40 after circuit board 30 is accelerated, and The air-flow after acceleration is discharged by the outlet air end of radiator fan 40 afterwards, the air-flow after acceleration carries coil mould group 20 and magnetic conduction The heat that piece 21 generates during the work time from air outlet be discharged, due to air outlet direction towards electronic equipment in the course of work In be easy to produce the position of heat source, therefore the electronic equipment can radiate by the wind that air outlet is discharged.

Fig. 1-2 is please referred to, the lower surface of lower cover 12 is also provided with bracket (not shown), wireless charger 100 A supporting surface can by the riding be stood on, so that shape is at an angle between wireless charger 100 and supporting surface, in this way User not only be can be convenient in electronic equipment charging process while watching the content on screen, can also be incited somebody to action by radiator fan 40 The heat dissipation of electronic equipment during the work time is mixed into air and with outside air, reaches heat dissipation effect.

Please refer to Fig. 3-5, circuit board 30 is integrated with oscillator 32 and amplifier 33, wherein the input terminal of oscillator 32 with The socket 31 that circuit board 30 is arranged in connects, which is used to receive the electric signal of outside power supply, in the present embodiment, oscillator 32 output end is connect with the input terminal of amplifier 33, and two output ends of amplifier 33 are defeated with two of coil mould group 20 respectively Enter end to be correspondingly connected with, radiator fan 40 is directly connect with the output end of socket 31.

More specifically, the ac voltage signal that oscillator 32 generates is sent to coil mould group 20 after the amplification of amplifier 33, The frequency that coil mould group 20 generates is the magnetic field of near-field communication frequency, reception line under the action of magnetic field coupling on electronic equipment Circle generates alternating current, and rectification module (not shown) and Voltage stabilizing module (not shown) Jing Guo electronic equipment internal Under the action of alternating current is converted into DC current, to charge to the battery on electronic equipment.

Fig. 5 is please referred to, oscillator 32 includes first capacitor C1, the second capacitor C2, crystal oscillator Y, first resistor R1, second resistance R2, the first phase inverter U1 and the second phase inverter U2, in which: the first end of crystal oscillator Y is grounded through first capacitor C1, and second end is through institute State the second capacitor C2 ground connection；The input terminal of first phase inverter U1 is connect with the first end of the crystal oscillator Y, the first phase inverter U1 Output end be divided into two-way, connect all the way through first resistor R1 with the second end of crystal oscillator Y, another way is defeated with the second phase inverter U2's Enter end connection；The output end of second phase inverter U2 is connect with amplifier 33；The one end second resistance R2 is defeated with the first phase inverter U1's Enter end connection, the other end is connect with the second end of crystal oscillator Y；Power supply signal generates square-wave signal under the action of crystal oscillator Y, concatenated First phase inverter U1 and the second phase inverter U2 forms the square-wave signal compared with standard after carrying out shaping to square-wave signal.

Fig. 5 is please referred to, amplifier 33 includes third phase inverter U3, the 4th phase inverter U4, the 5th phase inverter U5,3rd resistor R3, the 4th resistance R4 and metal-oxide-semiconductor Q1, in which: the output end of the input terminal of third phase inverter U3 and the second phase inverter U2 connect It connects, output end is connect with the grid of the metal-oxide-semiconductor Q1；Third phase inverter U3, the 4th phase inverter U4 and the 5th phase inverter U5 are simultaneously Connection；The drain electrode of metal-oxide-semiconductor Q1 is connect through the 3rd resistor R3 with the grid of the metal-oxide-semiconductor Q1, and the grid of metal-oxide-semiconductor Q1 is through the 4th electricity Hinder R4 ground connection, metal-oxide-semiconductor Q1 source electrode ground connection, the one end third capacitor C3, one end of variable capacitance C5, the 5th resistance R5 one end, One end of 4th capacitor C4 and the first input end of the transmitting coil 26 interconnect two-by-two；The other end of third capacitor C3 is divided to two Road is connect with the drain electrode of metal-oxide-semiconductor Q1 all the way, and another way is connect with the second input terminal of coil mould group 20；Variable capacitance C5's is another One end is connect with the drain electrode of the second input terminal of coil mould group 20 and metal-oxide-semiconductor Q1, the other end and power input of the 5th resistance R5 Hold Vcc connection, i.e. 31 input terminal of socket, the other end ground connection of the 4th capacitor C4；Variable capacitance C5 is in parallel with coil mould group 20, dissipates Hot-air fan 40 is directly connect with power input Vcc, to obtain required electric current.

Please refer to Fig. 6, the utility model proposes another wireless charger, including shell, coil mould group 20a, circuit Plate 30a and radiator fan 40a, wherein shell includes upper cover 11a and lower cover 12a, and upper cover 11a and lower cover 12a are connected with each other and enclose At an accommodating cavity, coil mould group 20a, circuit board 30a and radiator fan 40a are mounted in the accommodating cavity, in this reality In having applied, the side of upper cover 11a is equipped with wall portion 13, and wall portion 13 is equipped with towards the air outlet 131 on the inside of upper cover 11a, lower cover Air inlet 125a is provided on 12a, radiator fan 40a is mounted on the lower section of circuit board 30a, and coil mould group 20a is located at circuit board The top of 30a, when electronic equipment, which is placed on, to be charged on wireless charger, radiator fan 40a is operated and is driven heat dissipation Air-flow outside fan 40a enters in accommodating cavity from air inlet 125a, which flows after the wind wheel of radiator fan 40a accelerates To the air outlet 131 of upper cover 11a, and then is converged in air outlet 131 and then blow to electronic equipment and upper cover 11a and set with electronics Standby corresponding surface, can not only quickly move through air outlet for the heat source generated in the wireless charger course of work in this way 131 discharge outsides, improving radiating effect effectively extend the service life of wireless charger 100；Meanwhile it being placed on upper cover 11a The wind that the electronic equipment to charge can also be discharged by air outlet 131, the heat source that will be generated in electronic equipment charging process It takes away, to reach the scheduled heat dissipation effect of electronic equipment, plays the role of killing two birds with one stone.

Fig. 6 is please referred to, upper cover 11a includes the panel 112a and raised 113a for being looped around the upper end panel 112a, in this implementation In example, the top surface of raised 113a is higher than the top surface of panel 112a, is used to support electronic equipment to be charged so that electronic equipment with it is upper A cooling layer is formed between lid 11a, which is connected to outside air and air outlet 131, not only can be by wireless charging The heat source generated in the heat source and charged electronic equipment charging process generated during electrical work is diffused rapidly in air, is risen To cooling effect；It also avoids wireless charger that heat is directly transferred to electronic equipment by panel simultaneously, influences electronic equipment Charging effect.

Fig. 6 is please referred to, the inside of wall portion 13 is equipped with air duct (not shown), wherein air outlet 131 is located at air duct direction On one end of cooling layer, the other end in air duct is connected to fan, not only can carry out the wind that radiator fan 40a is discharged It guides and in the cooling layer that is blown to below electronic equipment, and then the heat of electronic equipment and wireless charger upper surface is taken away, But also the air-flow in accommodating cavity can converge in air duct, so that air outlet 131 has enough air quantity pair Electronic equipment radiates, to reach the scheduled heat dissipation effect of electronic equipment.

Fig. 6 is please referred to, lower cover 12a includes the bottom plate 121a and side plate 123a around the setting of the side of bottom plate 121a, on 11a is covered by side plate 123a and bottom plate 121a, in the present embodiment, the quantity of air inlet 125a is multiple, multiple air inlets 125a is uniformly looped around on the side of the side plate, in order to provide more intakes.

Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed The specific embodiments are to be considered as illustrative and not restrictive.Therefore, the scope of the utility model is by appended right It is required that instead of making decisions based on these previous descriptions.Within the literal meaning and equivalent scope of the claims any Change all should belong to these the scope of the claims.

Claims (10)

1. a kind of wireless charger, including shell, setting circuit board inside housings and be electronic equipment charging coil mould Group, the coil mould group is mounted on the top of circuit board, and the coil mould group and the circuit board electrical connection, feature exist In, further include the radiator fan with circuit board electrical connection, the radiator fan is mounted in shell, the side of the shell or under Side is provided with air inlet, is provided with air outlet above the shell；When the radiator fan works, the air outlet will radiate The wind of fan discharge is blown to the upper surface of the electronic equipment and shell by air outlet.

2. wireless charger as described in claim 1, which is characterized in that the shell includes upper cover and lower cover, the upper cover An accommodating cavity is connected with each other and surrounded with lower cover, and the coil mould group, circuit board and radiator fan are installed on receiving sky Intracavitary, the upper lid is equipped with the panel made of waterproof and breathable membrane material, and the air outlet is the hole on waterproof ventilated membrane.

3. wireless charger as claimed in claim 2, which is characterized in that be additionally provided on the upper lid and be used to support electronic equipment Protrusion, the protrusion is looped around the top of the panel, and the protrusion is connect with the lower cover.

4. wireless charger as described in claim 1, which is characterized in that the shell includes upper cover and lower cover, the upper cover An accommodating cavity is connected with each other and surrounded with lower cover, and the coil mould group, circuit board and radiator fan are installed on receiving sky Intracavitary, the side of the upper cover is equipped with wall portion, and the air outlet is located in wall portion.

5. wireless charger as claimed in claim 4, which is characterized in that the upper cover is equipped with protrusion, and the protrusion is to prop up The electronic equipment is supportted, so that forming a cooling layer between the electronic equipment and the upper cover, the cooling layer and the external world are empty Gas connection.

6. wireless charger as claimed in claim 4, which is characterized in that the inside of the wall portion is equipped with air duct, the outlet air Mouthful it is located at air duct towards on one end of cooling layer, the other end in the air duct is connected to fan.

7. wireless charger as claimed in claim 5, which is characterized in that the protrusion is looped around on the upper lid, the wall Portion is set on the side of protrusion.

8. such as the described in any item wireless chargers of claim 2-7, which is characterized in that the lower cover includes bottom plate and circular bottom The side plate of plate side, the air outlet are equipped on the side plate.

9. wireless charger as claimed in claim 8, which is characterized in that the quantity of the air inlet is multiple, multiple air inlets Mouth is uniformly looped around on the side of the side plate.

10. wireless charger as claimed in claim 8, which is characterized in that be covered with bracket, the wireless charger under described It can be stood on a supporting surface by the bracket.