CN202076815U

CN202076815U - Charger

Info

Publication number: CN202076815U
Application number: CN2011201576301U
Authority: CN
Inventors: 汪阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-17
Filing date: 2011-05-17
Publication date: 2011-12-14
Anticipated expiration: 2021-05-17

Abstract

The utility model relates to a charger which comprises a first charging module, a first interface connected with the output end of the first charging module and a second charging module connected with the first interface, wherein the first charging module is used for supplying power to the second charging module and directly charging a spare battery; the first interface is connected with the first charging module and the spare battery to directly charge the spare battery by the first charging module, and the first interface is connected with the first charging module and the second charging module, so that the first charging module supplies power for the second charging module; and the second charging module is used for directly charging a mobile phone. The charger can charge the mobile phone and the spare battery at the same time, and when the mobile phone needs to be charged, the spare battery can be used for charging the mobile phone by the device without turning on or off the mobile phone or replacing the battery, so that the use convenience for a user is improved.

Description

Charger

Technical field

The utility model relates to electronic applications, relates in particular to a kind of charger.

Background technology

At present, giving for example mobile phone (or digital camera etc.) of some electrical equipment, such two modes are arranged, the one, the charging inlet (for example USB interface) that utilizes charger to connect on the mobile phone is directly given cell-phone charging, another kind of mode is to utilize seat to fill to be charged in the pond, and charged being installed in the mobile phone then afterwards of battery used.There is such problem in this dual mode, when mobile phone need charge, if reserve battery has, then can change battery, to guarantee the normal use of mobile phone, it is standby to do then battery to be charged, if mobile phone and reserve battery all need charging, in order to guarantee that mobile phone does not shut down, generally can preferentially give cell-phone charging, again reserve battery is charged after mobile phone is charged.For the former, need to use seat to fill constantly a battery is charged, and need frequent switch mobile phone, change battery, use inconvenience; For the latter, when in the ban cell-phone charging being charged to reserve battery again, the user charge at every turn need be longer stand-by period.Therefore, when the user to cell-phone charging the time, also wish simultaneously reserve battery is charged, to prolong the service time of mobile phone, reduce charge frequency, but at present to cell-phone charging with charging need use two kinds of different devices to reserve battery, also do not have a kind of device that can be simultaneously mobile phone and reserve battery be charged.

The utility model content

Main purpose of the present utility model is to provide a kind of charger that can be simultaneously mobile phone and reserve battery be charged.

In order to achieve the above object, the utility model proposes a kind of charger, first interface that comprise first charging module, is connected and second charging module that is connected with first interface with the first charging module output, wherein first charging module is used for to second charging module for power supply and directly reserve battery is charged; First interface connects first charging module and reserve battery, makes first charging module directly to the reserve battery charging, and connects first charging module and second charging module, makes first charging module to second charging module for power supply; Second charging module is used for electrical equipment is directly charged.

Preferential, also comprising second interface and the 3rd interface, described second interface connects described first charging module and external power supply; Described the 3rd interface connects described second charging module and electrical equipment.

Preferential, described second interface and the 3rd interface are USB interface.

Preferential; described first charging module and second charging module comprise a USB charging circuit respectively, are provided with voltage comparator, triode and voltage stabilizing didoe, and wherein the output of voltage comparator is connected on the base stage of triode; form switching circuit, voltage stabilizing didoe is as over-voltage protector.

Preferential, described second charging module also comprises booster circuit, is used to promote the charging voltage to the electrical equipment charging.

Preferential, described first charging module also comprises selected cell, is used for preferentially charging to electrical equipment when the electrical equipment electric weight is not enough.

The charger that the utility model proposes, can charge to mobile phone and reserve battery simultaneously, and when mobile phone need charge, also can utilize this device that reserve battery is charged to mobile phone, need not the switch mobile phone and change battery, improved the convenience the when user uses.

Description of drawings

Fig. 1 is the described charger construction schematic diagram of the utility model embodiment;

Fig. 2 is the described first charging module circuit diagram of the utility model embodiment;

Fig. 3 is the described second charging module circuit diagram of the utility model embodiment.

In order to make the technical solution of the utility model clearer, clear, be described in further detail below in conjunction with accompanying drawing.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Fig. 1 is the utility model embodiment charger construction schematic diagram, comprise first charging module 1, first interface 2 that is connected with first charging module, 1 output, second charging module 3 that is connected with first interface 2 connects second interface 4 and the 3rd interface 5 that is connected second charging module 3 and mobile phone of first charging module 1 and external power supply.

Wherein first charging module 1 is used for to 3 power supplies of second charging module and directly reserve battery is charged; First interface 2 connects first charging module 1 and the reserve battery, makes first charging module 1 directly to the reserve battery charging, and connects first charging module 1 and second charging module 3, makes 3 power supplies of 1 pair second charging module of first charging module; Second charging module 3 is used for mobile phone is directly charged.

As depicted in figs. 1 and 2, second interface 4 connects the input of first charging module 1, it is the female of a USB interface, external power supply (can be USB interface or other USB power supplys of computer housing), power supply is imported the USB charging voltage of a 5V and is one in first charging module, 1, the first charging module 1 and contains voltage comparator U1, the charging circuit of voltage stabilizing didoe D1 and triode Q1, the output of first charging module 1 is that first interface, 2, the first interfaces 2 can connect a reserve battery.

When being connected with reserve battery on first interface 2; power supply; second interface 4; first charging module 1 and second interface 4 are formed a USB charge circuit; it can charge to reserve battery; first charging module 1 is a USB charging circuit; be used for controlling and managing it and charge to reserve battery; include voltage comparator U1 in first charging module 1; voltage stabilizing didoe D1; triode Q1 and LED light D2; D3 etc.; wherein the pin 1 of the output of voltage comparator U1 is connected on the base stage of triode Q1, forms switching circuit, is used to control it and charges to reserve battery; voltage stabilizing didoe D1 connects the base stage of triode Q1 as over-voltage protector, thus in circuit voltage surpass voltage stabilizing didoe D1 voltage stabilizing value then voltage stabilizing didoe D1 conducting make triode Q1 turn-off protective circuit.LED light and voltage comparator 11 are formed LED D2, the D3 indicating circuit is used for indicating battery charged state.

As shown in figures 1 and 3; also be connected with second charging module 3 behind first interface 2; 3 major controls of second charging module and the management its to cell-phone charging; second charging module 3 is connected by the 3rd interface 5 with mobile phone; the 3rd interface 5 is a USB interface; second charging module 3 includes voltage comparator U2; voltage stabilizing didoe D5; triode Q2; Q3 and LED light D6; D7 etc.; wherein the output pin 1 of voltage comparator U2 is connected on the base stage of triode Q2; form switching circuit and be used to control it to cell-phone charging; voltage stabilizing didoe D5 is connected on the pin 2 of voltage comparator U2, thereby thereby in circuit voltage surpass voltage stabilizing didoe D2 voltage stabilizing value then voltage stabilizing didoe D2 conducting make triode Q2 turn-off protective circuit.LED light D6, D7 are used for indicating battery charged state.In addition, second charging module also has the chip U3 that boosts, and an external capacitor C, inductance L and diode D4 reach the required voltage value to guarantee the charging voltage of exporting to mobile phone.

During work, if connecting, second interface 4 uses reserve battery, the 3rd interface 5 is connected with mobile phone, under the situation of first charging module 1, then the application's charger is reserve battery and cell-phone charging simultaneously at the external power supply input charging voltage, and the application's charger also can be separately the charging of mobile phone and charger, if second interface 4 does not connect reserve battery, charger in the application only charges separately for mobile phone, if second interface 4 does not connect reserve battery, then can be the reserve battery charging.

In addition, as if meeting power failure or not having under the situation of external power supply, if reserve battery has, also can utilize the charger that is applied to make reserve battery be cell-phone charging, reserve battery is as charge power supply, can directly charge to mobile phone by second interface, 4, the second charging modules 3 and the 3rd interface 5, thereby mobile phone needn't switching on and shutting down be taken out battery and continue use.

In another embodiment of the application, in first charging module 1 selected cell can also be arranged, the function of selected cell is to judge when second interface 4 and the 3rd interface 5 are connected with mobile phone and reserve battery, if need charging, mobile phone then preferentially gives cell-phone charging, when mobile phone is full of, second charging module 3 is closed this moment first charging module 1 and is controlled it again and charge to reserve battery, thereby makes the user reduce the stand-by period of waiting for cell-phone charging.

First charging module 1 of the utility model embodiment and second charging module 3 also can be replaced into other non-USB charging circuits, the charging inlet that second corresponding interface 4 and the 3rd interface 5 also can be other.

Charger of the present utility model also can be applicable in the charging of some other electrical equipment such as digital camera.

The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. charger, it is characterized in that, first interface that comprise first charging module, is connected and second charging module that is connected with first interface with the first charging module output, wherein first charging module is used for to second charging module for power supply and directly reserve battery is charged; First interface connects first charging module and reserve battery, makes first charging module directly to the reserve battery charging, and connects first charging module and second charging module, makes first charging module to second charging module for power supply; Second charging module is used for electrical equipment is directly charged.

2. charger according to claim 1 is characterized in that, also comprises second interface and the 3rd interface, and described second interface connects described first charging module and external power supply; Described the 3rd interface connects described second charging module and electrical equipment.

3. charger according to claim 2 is characterized in that, described second interface and the 3rd interface are USB interface.

4. charger according to claim 1 and 2; it is characterized in that; described first charging module and second charging module comprise a USB charging circuit respectively; be provided with voltage comparator, triode and voltage stabilizing didoe; wherein the output of voltage comparator is connected on the base stage of triode; form switching circuit, voltage stabilizing didoe is as over-voltage protector.

5. charger according to claim 4 is characterized in that, described second charging module also comprises booster circuit, is used to promote the charging voltage to the electrical equipment charging.

6. charger according to claim 5 is characterized in that, described first charging module also comprises selected cell, is used for preferentially charging to electrical equipment when the electrical equipment electric weight is not enough.