CN203326647U

CN203326647U - Portable cell phone power source based on used battery of cell phone

Info

Publication number: CN203326647U
Application number: CN2013203423649U
Authority: CN
Inventors: 朱翔; 胡军; 陈宇轩
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-14
Filing date: 2013-06-14
Publication date: 2013-12-04
Anticipated expiration: 2023-06-14

Abstract

The utility model provides a portable cell phone power source based on a used battery of a cell phone, relates to the environment protection field of reutilization of small household appliances and solves a problem in reutilization of waste cell phone batteries left in an upgrading process of smart phones. The portable cell phone power source based on the used battery of the cell phone includes a shell provided with a built-in boosting DC-DC circuit, a spring clamp used for fixing the battery, an elastic contact connected with a positive electrode and a negative electrode of the battery, a USB interface used for being connected with the cell phone, a patch cord of the USB interface, a lighting LED and a switch button of the LED. The portable cell phone power source based on the used battery of the cell phone is simple in structure, small in size, low in weight and convenient to carry when going out. According to the utility model, waste cell phone batteries of different specifications in residential houses can be converted to portable cell phone power sources and also can be converted to portable power sources for emergency lighting.

Description

A kind of cell phone power supply based on the mobile phone used batteries

Technical field

The secondary that the invention belongs to environmental protection utilizes the technical field of small household appliances, is specifically related to a kind of used batteries cell phone power supply of mobile phone.

Background technology

It is reported, the annual discarded mobile phone in the whole world is approximately 400,000,000 ones at present, wherein Chinese nearly 100,000,000 ones.United Nations Environment Programme is " the change electronic waste is resource " address prediction of issue in the recent period, and to the year two thousand twenty, the discarded mobile phone quantity of China will increase by 7 times than 2007.It is reported, contain the multiple harmful substances such as lead, cadmium, mercury in the waste mobile phone part, if directly abandon the severe contamination soil and groundwater.According to the China's IT industry net, the discarded mobile phone rate of recovery in the whole world approximately 3%, and China is less than 1%.

If corresponding 2 batteries of the mobile phone of take are example, the battery of mobile phone of annual waste is a surprising numeral especially.

Many waste batteries are all old and not useless in fact, but how because each battery of mobile phone model is different, can not recycle.Great majority or be to be placed on family, or be directly to abandon, and small part comes into the market after being reclaimed renovation by the lawless person once again, and not only mobile phone uses influencedly, also has certain potential safety hazard.

In addition, increasing along with the variation of cell-phone function and display screen, the power consumption of smart mobile phone is also in surprising increase.Portable power source can be used as the charge power supply of the digital products such as mobile phone or external power supply is used, and can solve the problem that the digital product such as mobile phone can't charge and can not work long hours under condition out of doors.

Summary of the invention

The purpose of this utility model is to propose a kind of device of the used batteries of different model mobile phone to the mobile phone power supply that utilize.

Realize that the technical scheme that the purpose of this utility model adopts is: a kind of cell phone power supply based on the mobile phone used batteries, establish the housing of control circuit in comprising, housing is step-like, housing is provided with the fixedly clamping plate of mobile phone used batteries, one end of these clamping plate has shoe, the other end of these clamping plate has spring, the middle part pivot joint of these clamping plate or be articulated in housing step place, the bottom of described articulated section or hinged place is provided with the spring contact be connected with mobile phone used batteries both positive and negative polarity, described housing is provided with the USB interface female, for externally exporting electric weight, also be provided with illuminating LED and switch on described housing.

Preferably, described USB interface female can connect mobile phone charging wire.

Preferably, described mobile phone charging wire is the mobile phone charging wire of different model band USB interface.

Preferably, to take FP6291 integrated circuit U1 be core to described control circuit; 4 pin of integrated circuit U1 all are connected with input Vin3.7V with 5 pin, and input Vin3.7V is connected with the positive pole of spring contact 4; 6 pin of the integrated circuit U1 then ground connection that is connected with resistance R 1; 1 pin of integrated circuit U1 is the connected Vin3.7V that then connects of inductance L 1 on one side, also with Schottky diode D2 be connected then meet output end vo ut5V on one side; The direct ground connection of 2 pin of integrated circuit U1; 3 pin of integrated circuit U1 are connecting resistance R4 ground connection on one side, on one side connecting resistance R3 meet output end vo ut5V; Capacitor C 1 and C2 are connected in parallel on circuit input end, and an end is connected with input Vin3.7V, other end ground connection; Capacitor C 3 and C4 are connected in parallel on circuit output end, and an end is connected with Vout5V, other end ground connection; At LED, drive in loop, resistance R 2, switch S 1 and light-emitting diode D1 series connection, and connect respectively input Vin3.7V and ground; Output end vo ut5V is connected with the positive pole of public mouthful of USB, and the negative pole that USB is public mouthful and the ground end of circuit are connected.

Principle of the present utility model is:

A kind of used batteries cell phone power supply of mobile phone, comprise housing and used batteries standing part, boost DC-DC circuit board section, I/O interface section and peripheral hardware part.

Housing and used batteries standing part comprise: for fixedly spring clip, shell and the base of used batteries.The boost DC-DC circuit board section comprises: booster circuit module, LED drive circuit module.The I/O interface section comprises: by the both positive and negative polarity spring contact of used batteries electric energy input circuit plate, and the USB interface of output electric energy.Peripheral hardware partly comprises: the USB interface female and mobile phone USB connecting line, illuminating LED and the switch that are bumped into shell.

When being used as the cell phone power supply, the both positive and negative polarity of used batteries both positive and negative polarity and spring contact being contacted, and with spring clip, battery is clamped.A connection mobile phone of mobile phone USB connecting line, the USB interface female of an other insertion apparatus.Now, the electric energy in used batteries just enters in mobile phone by the boost DC-DC circuit flow automatically, is embodied as the purpose of mobile phone charging.

While being used as the LED mains lighting supply, the mobile phone used batteries are connected, press switch.Now, the electric energy in used batteries just flows into LED automatically, realizes the function of illumination.

The beneficial effects of the utility model are:

1. the utility model can be used different model mobile phone used batteries as charge power supply, saves social resources;

2. the utility model is simple in structure, and volume is small and exquisite, conveniently goes out to carry;

3. the utility model not only can be for mobile phone charges, can also be as emergency lighting LED power supply;

4. the utility model adopts the DC-DC booster circuit, improves the transformation efficiency of electric energy.

The accompanying drawing explanation

Fig. 1 is the basic schematic diagram of the utility model embodiment;

Fig. 2 is the side schematic view of the utility model embodiment Fig. 1;

Fig. 3 is the front schematic view of the utility model embodiment Fig. 1;

Fig. 4 is the circuit theory diagrams of the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.

Referring to Fig. 1, Fig. 2, shown in Fig. 3, in an example of the present utility model, the used batteries cell phone power supply of a kind of mobile phone provided, it comprises step-like housing 3, housing 3 is provided with the fixedly clamping plate 6 of mobile phone used batteries, 12, clamping plate 6 lower ends are provided with shoe 5, and clamping plate 12 have the spring clip 9 that tensile force is provided, 10, 11, Metallic rod 7 is bumped in fixed terminal 8, is used for fixing

clamping plate

6, 12 and

spring clip

9, 10, 11, for the spring contact 4 be connected with battery, and be connected with DC-DC booster circuit plate 1 by wire 2, DC-DC booster circuit plate 1 is by

wire

13, 15, 17 are together in series LED16 and switch 14, and circuit board also is connected for female mouthful 22 with USB by wire 18, and mobile phone usb data line is by the public mouth 21 of USB, wire 20 and miniUSB form for public mouthful 19, and the USB of mobile phone usb data line is connected for female mouthful 22 with USB for male mouthful 21, and the interface that the utility model is connected with the mobile phone charge port is not limited to miniUSB public mouthful 19, and the user can select different interfaces according to the model of mobile phone.

Secondly referring to Fig. 4, the Main Function of boost DC-DC circuit 1 is that the used batteries voltage of 3.7V is raised to 5V, and it is also as the drive circuit of illumination LED; It is core that the boost DC-DC circuit be take the FP6291 integrated circuit U1 of Taiwan Yuanxiang Technology Co., Ltd.; Enable Pin 4 pin of integrated circuit U1 all are connected with input Vin3.7V with power end 5 pin, and input Vin3.7V is connected with the positive pole of spring contact 4; Current limliting end 6 pin of the integrated circuit U1 then ground connection that is connected with resistance R 1; 1 pin one side inductance L 1 of integrated circuit U1 is connected and then meets input Vin3.7V, and input voltage is 3.7V, also with Schottky diode D2 be connected then meet output end vo ut5V on one side, output voltage is 5V; The direct ground connection of 2 pin of integrated circuit U1; Feedback end 3 pin of integrated circuit U1 are connecting resistance R4 ground connection on one side, on one side connecting resistance R3 meet output end vo ut5V; Capacitor C 1 and C2 are connected in parallel on circuit input end, and an end is connected with input Vin3.7V, other end ground connection; Capacitor C 3 and C4 are connected in parallel on circuit output end, and an end is connected with Vout5V, other end ground connection; At LED, drive in loop, resistance R 2, switch S 1 and light-emitting diode D1 series connection, and connect respectively input Vin3.7V and ground; Output end vo ut5V is connected with the positive pole of the public mouth 21 of USB, and the negative pole that USB is public mouthful 21 and the ground end of circuit are connected.

Referring to Fig. 2, under charge mode, used batteries are clamped by

clamping plate

6,12, and battery plus-negative plate is connected with spring contact 4, and public mouthful 19 of miniUSB and mobile phone link, and the electric energy in used batteries enters mobile phone by the boost DC-DC circuit flow automatically; Under light illumination mode, used batteries are clamped by

clamping plate

6,12, and battery plus-negative plate is connected with spring contact 4, presses switch 14, and LED16 just is lit.

But this example is not limited to protection range of the present utility model, every employing analog structure of the present utility model and similar variation thereof, all should list protection range of the present utility model in.

Claims

1. the cell phone power supply based on the mobile phone used batteries, it is characterized in that: the housing (3) of establishing control circuit (1) in comprising, housing (3) is step-like, housing (3) is provided with the fixedly clamping plate of mobile phone used batteries, one end (6) of these clamping plate has shoe (5), the other end of these clamping plate (12) has spring (9), the middle part pivot joint of these clamping plate or be articulated in housing (3) step place, the bottom of described articulated section or hinged place is provided with the spring contact (4) be connected with mobile phone used batteries both positive and negative polarity, described housing (3) is provided with USB interface female (22), for externally exporting electric weight, also be provided with illuminating LED (16) and switch (14) on described housing (3).

2. the cell phone power supply based on the mobile phone used batteries according to claim 1, it is characterized in that: described USB interface female (22) can connect mobile phone charging wire.

3. the cell phone power supply based on the mobile phone used batteries according to claim 2, it is characterized in that: described mobile phone charging wire is the mobile phone charging wire of different model band USB interface.

4. the cell phone power supply based on the mobile phone used batteries according to claim 1 is characterized in that: it is core that described control circuit (1) be take the FP6291 integrated circuit U1 with DC-DC boost function; 4 pin of integrated circuit U1 all are connected with input Vin3.7V with 5 pin, and input Vin3.7V is connected with the positive pole of spring contact 4; 6 pin of the integrated circuit U1 then ground connection that is connected with resistance R 1; 1 pin of integrated circuit U1 is the connected Vin3.7V that then connects of inductance L 1 on one side, also with Schottky diode D2 be connected then meet output end vo ut5V on one side; The direct ground connection of 2 pin of integrated circuit U1; 3 pin of integrated circuit U1 are connecting resistance R4 ground connection on one side, on one side connecting resistance R3 meet output end vo ut5V; Capacitor C 1 and C2 are connected in parallel on circuit input end, and an end is connected with input Vin3.7V, other end ground connection; Capacitor C 3 and C4 are connected in parallel on circuit output end, and an end is connected with Vout5V, other end ground connection; At LED, drive in loop, resistance R 2, switch S 1 and light-emitting diode D1 series connection, and connect respectively input Vin3.7V and ground; Output end vo ut5V is connected with the positive pole of USB public mouthful (21), and the negative pole of USB public mouthful (21) and the ground end of circuit are connected.