CN208401582U

CN208401582U - Mobile phone charger with variable lamp display

Info

Publication number: CN208401582U
Application number: CN201820959001.2U
Authority: CN
Inventors: 萧建棠
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-21
Filing date: 2018-06-21
Publication date: 2019-01-18
Anticipated expiration: 2028-06-21

Abstract

The utility model discloses a become cell-phone charger that lamp shows, including power control circuit and the cell-phone interface that charges of connecting in this power control circuit, the last LED control circuit that disposes a can read the cell-phone charging voltage value in real time of cell-phone charger with be used for becoming the LED pilot lamp that the lamp shows, LED control circuit's one end links to each other with the cell-phone interface that charges, and the other end links to each other with the LED pilot lamp. The LED control circuit can read the charging voltage value of the mobile phone in real time, and different LED indicating lamps are lightened according to the voltage value, so that the LED indicating lamps have a lamp changing effect, a user can see the charging and quick charging states of the mobile phone at any time, and the LED control circuit is clear, visual and convenient to use.

Description

Become the phone charger that lamp is shown

Technical field

The utility model relates to charger field technologies, refer in particular to a kind of fast charger of mobile phone that change lamp is shown.

Background technique

In the prior art, there are a kind of electricity that phone charger can be current according to capacity, the battery of battery of mobile phone, hand The current electricity consumption of machine and a variety of different voltages are variably provided and are charged.For example, when cell phone battery capacity is very big, battery When electricity is low, the more power consumptions of mobile phone open software are more, this phone charger can intelligently configure higher voltage and charge, i.e., Fast charge mode.It, can the intelligently charging of configuration low pressure, i.e. trickle charge mould when cell-phone battery electric-charge quantity is high, and mobile phone is in off-mode Formula.However, such phone charger is in fast charge mode, trickle charge mode or middling speed charge mode, not in any form It embodies.Big multi-charger just has display, the defect of this charger is, is filling only after battery is full of at present In electric process, before not being full of, it is not known that the number of battery charge volume, full of the charging time how long is also needed, just It charges using how many volt voltages, instruction is not intuitive, inconvenient to use.

Utility model content

In view of this, the utility model is in view of the existing deficiencies of the prior art, it is aobvious that main purpose is to provide a kind of change lamp The phone charger shown can intuitively show currently to be mobile phone charging with the voltage how much lied prostrate with multiple LED.

To achieve the above object, the utility model is using following technical solution:

A kind of phone charger for becoming lamp and showing, including power control circuit and the mobile phone for being connected to the power control circuit Charging interface, the LED control circuit and use that mobile phone charging voltage value can be read in real time configured with one on the phone charger In the LED light that change lamp is shown, one end of the LED control circuit is connected with mobile phone charging interface, the other end and LED indication Lamp is connected.

As a preferred embodiment, the LED light includes first lighted in phone charger output voltage 5V Indicator light and the second indicator light lighted when phone charger output voltage is greater than 7.5V；First indicator light is circular lamp Band, second indicator light are lightning fast charge shape.

As a preferred embodiment, the LED light includes first lighted in phone charger output voltage 5V Indicator light and the second indicator light lighted when phone charger output voltage is greater than 7.5V；First indicator light is square dot Shape, second indicator light are lightning fast charge shape.

As a preferred embodiment, the power control circuit includes the DC input circuit being sequentially connected in series, EMI filtered electrical Road, buck circuit, output switch circuit, to DC input circuit, output switch circuit is exported to mobile phone to be filled DC supply input Electrical interface, a USB PD control device are connected on buck circuit, output switch circuit, mobile phone charging interface respectively.

As a preferred embodiment, the power control circuit includes the AC input circuit being sequentially connected in series, the first rectification filter Wave circuit, power conversion circuit, the second current rectifying and wave filtering circuit, output switch circuit further include the PWM chip control being sequentially connected in series Circuit, photoelectric coupling circuit, USB PD control device, the PWM chip control circuit are connect with power conversion circuit, the photoelectric coupling Circuit is connect with the second current rectifying and wave filtering circuit, the USB PD control device respectively with the second current rectifying and wave filtering circuit, output switch circuit, Mobile phone charging interface is connected.

As a preferred embodiment, the power control circuit further comprises the first short-circuit protection circuit, the first overcurrent Circuit, the first overvoltage crowbar are protected, it is each that circuit is protected to be all connected to USB PD control device.

As a preferred embodiment, the power control circuit further comprises cable compensation circuit, cable compensation electricity Road is connected to USB PD control device.

As a preferred embodiment, the power control circuit further comprises the second short-circuit protection circuit, the second overcurrent Circuit, the second overvoltage crowbar are protected, it is each that circuit is protected to be all connected to USB PD control device.

As a preferred embodiment, the mobile phone charging interface is not limited to only one Type-C interface, also includes one A or multiple USB A interfaces.

The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme is it is found that by devising power control circuit and mobile phone charging interface, direct current is passed through in one's hands from power control circuit Machine charging interface for mobile phone to charge, and power control circuit can detect battery of mobile phone remaining electricity at present in the process With mobile phone power consumption amount, to judge to be charged with great voltage, such as 5V, 9V, 12V, 15V etc..Especially, in this base LED indication module has also been devised on plinth, which includes LED control circuit and LED light, the LED control circuit Mobile phone charging voltage value can be read in real time, lighted different LED lights according to the of different sizes of voltage value, referred to LED Show that lamps and lanterns have and become lamp effect, user can see the charging and fast charge state of mobile phone at any time, be illustrated intuitively, convenient for users to adjusting Whole mobile phone use habit, how just therefrom obtain can make the more low-loss enlightenment of mobile phone electric energy.

For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.

Detailed description of the invention

Fig. 1 is the circuit block diagram of the embodiment of the utility model.

Fig. 2 is the LED indication module circuit diagram of the embodiment of the utility model.

Specific embodiment

Embodiment 1

It please refers to shown in Fig. 1, it to be a kind of change that show the specific structures of first preferred embodiment of the utility model The phone charger that lamp is shown, is the charger of DC supply input, including power control circuit 10 and is connected to the power supply control The mobile phone charging interface 20 of circuit 10 processed, direct current are passed into mobile phone charging interface 20 from power control circuit 10 to be hand Machine charging, power control circuit 10 can detect battery of mobile phone remaining electricity and mobile phone power consumption amount at present in the process, from And judge to be charged with great voltage, such as 5V, 9V, 12V, 15V etc..On this basis, the utility model is to product LED indication module 30 is increased, when being charged using different voltages, can be shown by different LED light, intuitively It is illustrated, it is easy to use.

The circuit structure of LED indication module 30 is as follows: including LED control circuit 31 and LED light 32.The LED control One end of circuit 31 processed is connected with mobile phone charging interface 20, and the other end is connected with LED light 32.The LED light 32 is matched It sets on mobile phone charging interface 20, for showing charged state.The LED control circuit 31 can read mobile phone charging electricity in real time Pressure value lights different LED lights 32 according to the of different sizes of voltage value, has LED light 32 and becomes lamp effect.

In the present embodiment, the LED light 32 includes the first indicator light 321 and the second indicator light 322, first instruction Lamp 321 is circular lamp band, which is lightning fast charge shape.When LED control circuit 31 detects phone charger The first indicator light 321 lighted when output voltage 5V.It is greater than when LED control circuit 31 detects phone charger output voltage The first indicator light 321 and the second indicator light 322 are lighted when 7.5V.

As shown in Figure 1, the power control circuit 10 include be sequentially connected in series DC input circuit 11, EMI filter circuit 12, Buck circuit 13, output switch circuit 14, DC supply input to DC input circuit 11, the output of output switch circuit 14 to hand Machine charging interface 20, a USB PD control device 15 are connected on buck circuit 13, output switch circuit 14, mobile phone charging respectively Interface 20.In addition to this, the power control circuit 10 further comprises the first short-circuit protection circuit 16, the first overcurrent protection electricity Road 17, the first overvoltage crowbar 18, it is each that circuit is protected to be all connected to USB PD control device 15.In addition, the power supply control electricity Road 10 further comprises cable compensation circuit 19, which is connected to USB PD control device 15.

The mobile phone charging interface 20 is Type-C interface, can be also used for iPhone interface or traditional certainly USB interface.For example, the mobile phone charging interface is not limited to only one Type-C interface, it also include one or more USB A Interface.In addition to this, such charging circuit can also be applied to the various portable electronics productions such as tablet computer, camera, video camera In product.

The working principle for the phone charger that the change lamp of the present embodiment is shown is as follows: in power control circuit 10, inputting and is 12/24Vdc exports as PD3.0:5V3A/9V3A/12V2.5A.When mobile phone plugs in, ring-like blue first indicator light in outer ring 321 light, and output 5V is also to light this lamp when charging.When product enters fast charge mode (output voltage > 7.5V), intermediate fast charge is blue The second indicator light of color 322 is lighted simultaneously with ring-like first indicator light in outer ring.

Embodiment 2

Shown in referring to figure 2., it to be a kind of change that show the specific structures of second preferred embodiment of the utility model The phone charger that lamp is shown, the present embodiment are the chargers of AC power source input.Including power control circuit 10' and it is connected to The mobile phone charging interface 20' of power control circuit 10', the phone charger are equipped with LED indication module 30'.

The LED indication module 30' include one can read in real time mobile phone charging voltage value LED control circuit 31' and The LED light 32' shown for becoming lamp, one end of the LED control circuit 31' is connected with mobile phone charging interface 20', another End is connected with LED light 32'.

In the present embodiment, the LED light 32' includes the first instruction lighted in phone charger output voltage 5V Lamp 321' and the second indicator light 322' lighted when phone charger output voltage is greater than 7.5V；First indicator light 321' is Rectangular dotted, which is lightning fast charge shape.

The power control circuit 10' includes the AC input circuit 11' being sequentially connected in series, the first current rectifying and wave filtering circuit 12', function Rate translation circuit 13', the second current rectifying and wave filtering circuit 14', output switch circuit 15' further include the PWM chip control being sequentially connected in series Circuit 16', photoelectric coupling circuit 17', USB PD control device 18', the PWM chip control circuit 16' and power conversion circuit 13' Connection, photoelectric coupling circuit 17' are connect with the second current rectifying and wave filtering circuit 14', and USB PD control device 18' is whole with second respectively Filter circuit 14', output switch circuit 15', mobile phone charging interface 20' is flowed to be connected.And the power control circuit 10' into One step includes the first short-circuit protection circuit 181', the first current foldback circuit 182', the first overvoltage crowbar 183', each protection Circuit is all connected to USB PD control device 18'.The power control circuit 10' further comprises cable compensation circuit 19', the electricity Cable compensation circuit 19' is connected to USB PD control device 18'.Further more, the power control circuit further comprises that the second short circuit is protected Protection circuit 161', the second current foldback circuit 162', the second overvoltage crowbar 163', it is each that circuit is protected to be all connected to PWM core Piece control circuit 16'.

The working principle for the phone charger that the change lamp of the present embodiment is shown is as follows: in power control circuit 10', inputting and is 100-240V AC ~ 50/60Hz exports PD3.0:5V3A/9V3A/12V2.5A/15V2A.When charger plugs in, The first display lamp 321' of square blue is lighted, and output 5V is also to light this lamp when charging.When product enters fast charge mode (output electricity Pressure > 7.5V), intermediate fast charge the second display lamp 322' of blue and the first display lamp of square 321' is lighted simultaneously.At any time to user It can be seen that the charging and fast charge state of mobile phone, be illustrated it is intuitive, convenient for users to adjusting mobile phone use habit, therefrom obtain how The more low-loss enlightenment of mobile phone electric energy can just be made.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims

1. a mobile phone charger with variable light display, comprising a power supply control circuit and a mobile phone charging interface connected to the power supply control circuit, it is characterized in that: the mobile phone charger is configured with an LED that can read the charging voltage value of the mobile phone in real time A control circuit and an LED indicator used for light-changing display, one end of the LED control circuit is connected with the mobile phone charging interface, and the other end is connected with the LED indicator.

2. The mobile phone charger with light-changing display according to claim 1, wherein the LED indicator includes a first indicator light that lights up when the output voltage of the mobile phone charger is 5V and when the output voltage of the mobile phone charger is greater than 5V The second indicator light is lit at 7.5V; the first indicator light is a ring light strip, and the second indicator light is in the shape of lightning fast charging.

3. The mobile phone charger with light-changing display according to claim 1, wherein the LED indicator includes a first indicator light that lights up when the output voltage of the mobile phone charger is 5V and when the output voltage of the mobile phone charger is greater than 5V The second indicator light is lit at 7.5V; the first indicator light is in the shape of a square dot, and the second indicator light is in the shape of lightning fast charging.

4. The mobile phone charger with light-changing display according to claim 1, wherein the power control circuit comprises a DC input circuit, an EMI filter circuit, a step-down chopper circuit, an output switch circuit, and a DC input circuit in series in sequence. To the DC input circuit, the output switch circuit outputs to the mobile phone charging interface, and a USB PD controller is respectively connected to the step-down chopper circuit, the output switch circuit, and the mobile phone charging interface.

5 . The mobile phone charger with light-changing display according to claim 1 , wherein the power control circuit comprises an AC input circuit, a first rectifier filter circuit, a power conversion circuit, a second rectifier filter circuit, The output switch circuit also includes a PWM chip control circuit, a photoelectric coupling circuit, and a USB PD controller connected in series in sequence, the PWM chip control circuit is connected with the power conversion circuit, the photoelectric coupling circuit is connected with the second rectification filter circuit, and the USB PD control The device is respectively connected with the second rectification filter circuit, the output switch circuit and the mobile phone charging interface.

6. The mobile phone charger with variable light display according to claim 4 or 5, wherein the power control circuit further comprises a first short circuit protection circuit, a first overcurrent protection circuit, and a first overvoltage protection circuit, Each protection circuit is connected to the USB PD controller.

7 . The mobile phone charger with light-changing display according to claim 4 , wherein the power control circuit further comprises a cable compensation circuit, and the cable compensation circuit is connected to the USB PD controller. 8 .

8. The mobile phone charger with variable light display according to claim 5, wherein the power control circuit further comprises a second short circuit protection circuit, a second overcurrent protection circuit, and a second overvoltage protection circuit, each protection circuit The circuits are all connected to the USB PD controller.

9 . The mobile phone charger with light-changing display according to claim 1 , wherein the mobile phone charging interface is not limited to only one Type-C interface, but also includes one or more USB A interfaces. 10 .