CN208539597U - A kind of wireless charger - Google Patents

Abstract

The utility model provides a kind of wireless charger, including shell, circuit board, the coil mould group that electronic equipment charges and the radiator fan with circuit board electrical connection, the coil mould group and the circuit board electrical connection, the shell includes upper cover and lower cover, the upper cover and lower cover are connected with each other and surround an accommodating cavity, the coil mould group, circuit board and radiator fan are installed in the accommodating cavity, the side of the upper cover is equipped with panel, the coil mould group is located at the lower section of panel, the panel is equipped with the first air port, the radiator fan is mounted on the other side of upper cover, the lower lid is equipped with the second air port being connected to the first air port, first air port and the second air port are corresponding with two air ports end of the radiator fan respectively, it is charged on wireless charger with increasing the heat dissipation effect of wireless charger and being placed on The heat dissipation effect of electronic equipment.

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, the coil mould group and and circuit board electrical connection to charge including shell, circuit board, electronic equipment Radiator fan, the coil mould group and the circuit board electrical connection, the shell includes upper cover and lower cover, and the upper cover is under Lid is connected with each other and surrounds an accommodating cavity, and the coil mould group, circuit board and radiator fan are installed in the accommodating cavity, The side of the upper cover is equipped with panel, and the coil mould group is located at the lower section of panel, and the panel is equipped with the first air port, described Radiator fan is mounted on the other side of upper cover, and the lower lid is equipped with the second air port for being connected to the first air port, and described first Air port and the second air port are corresponding with two air ports end of the radiator fan respectively.

Further, the radiator fan is centrifugal fan, the position of the outlet air end of the centrifugal fan and the first air port Corresponding, the air intake of the centrifugal fan is corresponding with the position in the second air port.

Further, the upper cover includes the housing section connecting with lower cover and the bracket for being used to support electronic equipment, described Panel is mounted in the housing section by the bracket, so that forming a cooling layer between electronic equipment and panel.

Further, the panel includes charging surface and the panel rack for being looped around charging surface side, the charging Surface is installed on the bracket by panel rack, and the top surface of the charging surface is lower than the top surface of bracket.

Further, the panel rack is equipped with rack ventilating hole, and the bracket is on the corresponding position of rack ventilating hole Notch section is offered, the rack ventilating hole and notch section collectively form first air port.

Further, the wireless charging device further includes the LED light light emitting source with circuit board electrical connection, the LED light Light emitting source is arranged on the bracket.

Further, second air port include air outlet on the lower cover side and positioned at lower cover other side into Air port, the air inlet and the first air port are connected to the air intake of radiator fan, the outlet air of the air outlet and radiator fan End connection.

Further, the quantity in first air port is multiple, and multiple first air ports are in concentric structure battle array from inside to outside Column are arranged on panel.

Further, the upper cover includes the housing section connecting with lower cover and the bracket for being used to support electronic equipment, described Panel is mounted in the housing section by the bracket, so that forming a cooling layer between electronic equipment and panel.

Further, the wireless charging device further includes supporting pad, and the supporting pad is set to the lower end of the lower cover On.

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

In the wireless charger of above-mentioned technical proposal, by the rotation of radiator fan, so that inside wireless charging device Air and the air in the external world pass through the air outlet being arranged on shell and swap with air outlet, and then will by the air of flowing The heat generated on shell quickly diffuses to the external world, radiates.

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 structural schematic diagram for the wireless charger that the utility model embodiment two provides.

Fig. 7 is the structural schematic diagram of the wireless charger that provides of the utility model embodiment two in another direction.

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, circuit board 30, radiator fan 40 and the coil mould group 20 for electronic equipment charging, wherein radiator fan 40 and coil mould group 20 are and circuit Plate 30 is electrically connected, and in the present embodiment, shell includes upper cover 11 and lower cover 12, and upper cover 11 and lower cover 12 are connected with each other and surround one A accommodating cavity (not shown), coil mould group 20, circuit board 30 and radiator fan 40 are installed in the accommodating cavity, upper cover 11 side is equipped with panel 112, and coil mould group 20 is located at the lower section of panel 112, and panel 112 is equipped with the first air port 117, heat dissipation Fan 40 is mounted on the other side of upper cover 11, and lower cover 12 is equipped with the second air port 125 for being connected to the first air port 117, and first Air port 117 and the second air port 125 are corresponding with two air ports end 41,42 of radiator fan 40 respectively, using above technical scheme Afterwards, when the first air port 117 is connected to the air intake 42 of radiator fan 40 and the outlet air end in the second air port 125 and radiator fan 40 When 41 connection, after radiator fan 40 operates, the air-flow outside wireless charger 100 enters in accommodating cavity from the first air port 117, The air-flow flows to the second air port 125 after accelerating by the wind wheel of radiator fan 40, will generate in 100 course of work of wireless charger Heat discharge accommodating cavity outside, play heat dissipation effect；When the first air port 117 is connected to the outlet air end 41 of radiator fan 40, and When second air port 125 is connected to the air intake 42 of radiator fan 40, after radiator fan 40 operates, outside wireless charger 100 Air-flow enters in accommodating cavity from the second air port 125, which flows to the first air port after accelerating by the wind wheel of radiator fan 40 117, the heat generated in 100 course of work of wireless charger is discharged outside accommodating cavity, heat dissipation effect can be equally played；This Outside, it sucks or is discharged from the first air port 117 regardless of the air-flow outside wireless charger 100, since the setting of the first air port 117 exists On panel 112, therefore air flowing when radiator fan 40 operates in federation driving panel 112, so as to by electronic equipment The heat source that (top for being placed on panel 112) generates during the charging process is taken away, to reach the scheduled heat dissipation effect of electronic equipment, Play the role of killing two birds with one stone.

Please refer to Fig. 1-2, radiator fan 40 is centrifugal fan, in the present embodiment, the outlet air end of the centrifugal fan 40 with The position in the first air port 117 is corresponding, and the air intake of centrifugal fan 40 is corresponding with the position in the second air port 125, in this way Forced heat radiation is carried out to the coil mould group 20 and circuit board 30 of accommodating cavity with the cooling air-flow generated by centrifugal fan 40, from And disperse the heat that coil mould group 20 and circuit board 30 generate, and use this technical solution of centrifugal fan, it can also keep away Exempt from gas backstreaming, it is effective that gas is guided to flow to the first air port 117, so that the air output in the first air port 117 increases, so as to Effectively to promote the heat dissipation effect of electronic equipment.

Fig. 1-2 is please referred to, upper cover 11 includes housing section 111 and the bracket 113 for being used to support electronic equipment, housing section 111 Side be equipped with mounting hole 116, panel 112 is placed in the mounting hole 116 by bracket 113, so that electronic equipment and panel A cooling layer is formed between 112, which is connected to outside air and the first air port 117, not only can be avoided panel 112 On heat be directly conducted to the electronic equipment for being placed on and charging on bracket 113, influence the charging effect of electronic equipment, But also the heat source that can be generated during the charging process by 117 electronic equipment of the first air port is taken away, it is pre- to reach electronic equipment Fixed heat dissipation effect.

Please refer to Fig. 1-2, the shape of panel 112 is discoid comprising charging surface 114 and be looped around charging surface The panel rack 115 of 114 sides, the electronics that 20 face charging surface 114 of coil mould group is set as being located on charging surface 114 are set Standby charging, wherein the shape of panel rack 115 is adapted with the shape of bracket 113, in this way can be so that charging surface 114 It is more stably mounted on bracket 113, in the present embodiment, the top surface of charging surface 114 is lower than the top surface of bracket 113, with Gap is formed so that being placed between the electronic equipment and charging surface 114 to be charged on bracket 113, avoids charging surface 114 On heat be directly conducted to electronic equipment to be charged.

Fig. 1-2 is please referred to, panel rack 115 is equipped with rack ventilating hole 118, and the rack ventilating hole 118 is in neighbouring charging surface It is arranged on 114 side wall, and rack ventilating hole 118 is connected to accommodating cavity, wherein the side of bracket 113 is equipped with notch section 119, the position of the notch section 119 is corresponding with the position of rack ventilating hole 118, in the present embodiment, rack ventilating hole 118 and notch Portion 119 collectively forms the first air port 117 being connected to 40 outlet air end of centrifugal fan, in this way can be worked by centrifugal fan 40 The wind being discharged in journey is guided to cooling layer, and then takes away the heat on electronic equipment and charging surface 114, effective heat radiation Efficiency.

Fig. 1-2 is please referred to, wireless charger 100 further includes the LED light light emitting source 60 being electrically connected with circuit board 30, LED light Light emitting source 60 is set on bracket 113, consequently facilitating the working condition of identification wireless charger 100, i.e., when wireless charger 100 When work, LED light light emitting source 60 is lighted, and indicates its working condition, and the LED light light emitting source 60 can be also used for illumination and make With.

Fig. 1-2 is please referred to, the lower section of coil mould group 20 is additionally provided with magnetic conduction sheet 21, and the electric power for circuit board for receiving 30 is concurrent The magnetic line of force out, 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 The function of having guiding magnetic, so that coil mould group 20 is merely able to along the side for deviating from magnetic conduction sheet 21, i.e., towards upper cover 11 Side issues the magnetic line of force, and without issuing the magnetic line of force towards magnetic conduction sheet, coil mould group 20 issues the magnetic line of force and is located in upper cover 11 Electronic equipment carry out electromagnetic induction, to carry out wireless charging to the electronic equipment to be charged, in addition, magnetic conduction sheet 21 also has Heat sinking function.

Fig. 1-2 is please referred to, wireless charger 100 further includes the supporting pad 70 being set on lower cover 12, is used to support wireless Charger 100, in the present embodiment, supporting pad 70 are silica gel ring, so as to increase between wireless charger 100 and placed side Frictional force, the contact surface of wireless charger 100 Yu air can also be increased, and then improve the heat dissipation effect of wireless charger 100 Fruit, further, since the bottom of lower cover 12 is arranged in the second air port 125, supporting pad 70 supports lower cover 12, so as to more Intake enters accommodating cavity from the second air port 125, and then heat in accommodating cavity is taken away, and improves heat dissipation effect.

Fig. 3-5 is please referred to, oscillator 32 and amplifier 33 are integrated on circuit board 30, wherein the input terminal of oscillator 32 It is connect with the socket 31 that circuit board 30 is arranged in, which is used to receive the electric signal of outside power supply, in the present embodiment, vibration The output end for swinging device 32 is connect with the input terminal of amplifier 33, two output ends of amplifier 33 respectively with coil mould group 20 two A input terminal is correspondingly connected with, and 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 and LED light light emitting source 60 are directly connect with power input Vcc, to obtain required electric current.

Please refer to Fig. 6-7, the utility model proposes another wireless charger, the embodiment and above-described embodiment are distinguished It is: under the second air port of wireless charger includes the air outlet 125a on the side lower cover 12a and is located in the present embodiment Cover the air inlet 125b of 12a other side, wherein air inlet 125b and the first air port 117a connects with the air intake of radiator fan Logical, air outlet 125b be connected to the outlet air end of radiator fan, and when radiator fan works, air-flow outside wireless charger is from the One air port 117a and air inlet 125b enter in accommodating cavity, which flows to air outlet after accelerating by the wind wheel of radiator fan The heat generated in the wireless charger course of work is discharged outside accommodating cavity, plays heat dissipation effect by 125a；Further, since electric Sub- equipment is placed on panel 112a and charges, when radiator fan sucks the air-flow of panel 112a simultaneously from the first air port 117a Also can electronic equipment generate during the charging process heat sucking accommodating cavity in, with reach expected from electronic equipment radiate effect Fruit, in the present embodiment, radiator fan are preferably centrifugal fan, and heat dissipation scales (figure can be set in the outlet air end of centrifugal fan In be not shown), to increase heat dissipation effect, and air-flow equally also has cooling effect by the wind wheel acceleration of centrifugal fan, Hereafter, the heat that air-flow generates circuit board 30, coil mould group 20 and magnetic conduction sheet 21 during the work time passes through air outlet 125a Discharge, plays heat dissipation effect.

Please refer to Fig. 6-7, the quantity of the first air port 117a be it is multiple, multiple first air port 117a are in concentric circles from inside to outside Array of structures is arranged on panel 112a, can effectively improve the speed of the overhead panel 112a flow of air in this way, and then promote electricity The heat dissipation effect of sub- equipment, while the air output of air outlet 125a is also increased, effectively promote the heat dissipation effect of wireless charger.

Fig. 6-7 is please referred to, upper cover 11a includes the housing section 11a connecting with lower cover 12a and the branch for being used to support electronic equipment Frame (not shown), panel 112a are mounted on housing section 11a by bracket, so that shape between electronic equipment and panel 112a At a cooling layer, so that the heat on panel 112a be avoided to be directly conducted to electronic equipment to be charged, and be also convenient for air-flow from First air port 117a enters in accommodating cavity and takes away the heat generated in electronic equipment charging process.

Fig. 6-7 is please referred to, the wireless charger in the embodiment further includes supporting pad (not shown), supporting pad setting In on the lower end of lower cover, to increase wireless charger and desktop or the frictional force of other supporting surfaces, so that wireless charger can It is placed on desktop or other supporting surfaces with more stable.

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, circuit board and coil mould group for electronic equipment charging, the coil mould group with The circuit board electrical connection, which is characterized in that further include the radiator fan with circuit board electrical connection, the shell include upper cover and Lower cover, the upper cover and lower cover are connected with each other and surround an accommodating cavity, the coil mould group, circuit board and radiator fan peace Loaded in the accommodating cavity, the side of the upper cover is equipped with panel, and the coil mould group is located at the lower section of panel, the panel Equipped with the first air port, the radiator fan is mounted on the other side of upper cover, and the lower lid is equipped with and is connected to the first air port Second air port, first air port and the second air port are corresponding with two air ports end of the radiator fan respectively.

2. wireless charger as described in claim 1, which is characterized in that the radiator fan is centrifugal fan, the centrifugation The outlet air end of fan is corresponding with the position in the first air port, and the air intake of the centrifugal fan is opposite with the position in the second air port It answers.

3. wireless charger as claimed in claim 2, which is characterized in that the upper cover include the housing section being connect with lower cover and Be used to support the bracket of electronic equipment, the panel is mounted in the housing section by the bracket so that electronic equipment with A cooling layer is formed between panel.

4. wireless charger as claimed in claim 3, which is characterized in that the panel includes charging surface and is looped around charging The panel rack of surface side, the charging surface are installed on the bracket by panel rack, and the charging surface Top surface is lower than the top surface of bracket.

5. wireless charger as claimed in claim 4, which is characterized in that the panel rack is equipped with rack ventilating hole, described Bracket offers notch section on the corresponding position of rack ventilating hole, and the rack ventilating hole and notch section collectively form described first Air port.

6. wireless charger as claimed in claim 3, which is characterized in that further include shining with the LED light of circuit board electrical connection Source, the LED light light emitting source are arranged on the bracket.

7. wireless charger as described in claim 1, which is characterized in that second air port includes being located on lower cover side Air outlet and air inlet positioned at lower cover other side, the air inlet and the first air port connect with the air intake of radiator fan Logical, the air outlet is connected to the outlet air end of radiator fan.

8. wireless charger as claimed in claim 7, which is characterized in that the quantity in first air port is multiple, Duo Ge One air port is in that concentric structure array is arranged on panel from inside to outside.

9. wireless charger as claimed in claim 8, which is characterized in that the upper cover include the housing section being connect with lower cover and Be used to support the bracket of electronic equipment, the panel is mounted in the housing section by the bracket so that electronic equipment with A cooling layer is formed between panel.

10. such as the described in any item wireless chargers of claim 1-9, which is characterized in that it further include supporting pad, the supporting pad It is set on the lower end of the lower cover.