Portable power supply with computer port

• US 20060125445A1
• Filed: 02/01/2006
• Published: 06/15/2006
• Est. Priority Date: 05/05/2004
• Status: Abandoned Application

• Current Assignee: Advanced-Connectek Incorporated (ACON Holding, Inc.)
• Original Assignee: Advanced-Connectek Incorporated (ACON Holding, Inc.)
• Inventors: Cao, Zheng-Fang, Tian, Yong-Jian
• Application Number:
  US11/344,220
• Publication Number:
  US 20060125445A1
• Time in Patent Office: Days
• US Class Current: 320/112
• CPC Class Codes: H02J 7/00304 Overcurrent protection
• CPC Class Codes: H02J 7/0031 using battery or load disconnect circuits H02J9/002 takes precedence

Abstract

A portable power supply includes a first shell, a second shell disposed on the first shell, an electronic device removably disposed in the first shell, a power supply assembly disposed in the second shell, a power indicator disposed on the second shell for displaying remaining power of the power supply assembly, a charging socket, a power socket for connecting to and supplying power to the electronic device, a computer port for communicating data between a computer and the electronic device, and a switch. The power supply assembly includes a rechargeable battery, a battery switching device, a booster circuit, a charging circuit, a battery protecting circuit, and a battery power sensing circuit.

Claims

1. A portable power supply 10 comprising:

a first shell 20 and a second shell 30 disposed on a top of the first shell 20 wherein;

the first shell 20 comprises a case 21, a rechargeable battery 22 in the case 21, and a clip 23 formed on an underside of the case 21;

the second shell 30 comprises a printed circuit board (PCB) 31, a power supply assembly 35, a connector device 33 on the PCB 31, and a power indicator 34;

the battery 22 comprises two cells 221 and 222 provided in a top and a bottom of the case 21 respectively, either of the cells 221 and 222 has a power cord 223 electrically connected to a power cord 313 of the PCB 31 and the power supply assembly 35;

the second shell 30 further comprises a cover 36 of square section and a plate 32;

the cover 36 comprises a plurality of apertures 362 with the power indicator 34 fitted thereon, a plurality of first openings 364A and 364B formed on a rear end 364, and a plurality of second openings 365A and 365B formed on one side 365;

the plate 32 comprises an intermediate wall 321, a rear wall 322, a region 320 defined by the walls 321 and 322, a plurality of holes 323 formed on the intermediate wall 321 and the rear wall 322 respectively, a plurality of protrusions 324 formed on inner surfaces of the intermediate wall 321 and the rear wall 322 respectively, a plurality of projections 325 formed on the plate 32, a plurality of blocks 326 each formed on a base of the projection 325, the blocks 326 being flush with the protrusions 324, and a channel 327 on the plate 32;

the PCB 31 is disposed between the cover 36 and the plate 32 and comprises a plurality of holes 311 with the projections 325 inserted therethough; and

the connector device 33 comprises a first connector 331 for charging, a second connector 332 for supplying electric current, a third connector 333 for communicating data, and an on/off switch 334.

2. The power supply of claim 1, wherein the first and second openings 364A, 364B, 365A, and 365B are shaped to snugly fit the first, second, and third connectors 331, 332, and 333 and the switch 334 therein.

3. A portable power supply 10 comprising:

a first shell 20 and a second shell 30 disposed on a top of the first shell 20 wherein;

the first shell 20 comprises a case 21, a rechargeable battery 22 in the case 21, and a clip 23 formed on an underside of the case 21 and adapted to hang on an object while carrying the power supply 10;

the case 21 is a parallelepiped and comprises a top surface 214, a bottom surface 215, a rectangular first hollow portion 2140 within the top surface 214, a rectangular second hollow portion 2150 within the bottom surface 215, a first opening 211 at one end, a closed end 212 of U-section having a second opening 2120 for permitting a connector 41 of a cable 4 to insert thereinto, and two sides 213;

the battery 22 comprises two cells 221 and 222 provided in the first and second hollow portions 2140 and 2150 respectively;

either cell 221 or 222 has a power cord 223 electrically connected to a power cord 313 of a printed circuit board (PCB) 31 through a channel 327 on the PCB 31 for electrically interconnecting the cells 221 and 222 and a power supply assembly 35 on the PCB 31;

the second shell 30 comprises a cover 36 of square section, the PCB 31, a plate 32, a connector device 33 including a plurality of first, second, and third connectors 331, 332, and 333 on the PCB 31, a power indicator 34, and the power supply assembly 35;

the PCB 31 is disposed between the cover 36 and the plate 32 and comprises a plurality of holes 311;

the plate 32 comprises an intermediate wall 321, a rear wall 322, a region 320 defined by the walls 321 and 322, a plurality of holes 323 formed on the intermediate wall 321 and the rear wall 322 respectively, a plurality of protrusions 324 formed on inner surfaces of the intermediate wall 321 and the rear wall 322 respectively, a plurality of projections 325 formed on the plate 32 and inserted through the holes 311 for fastening the PCB 31, and a plurality of blocks 326 each formed on a base of the projection 325, the blocks 326 being flush with the protrusions 324;

the cover 36 comprises a top 361, a plurality of apertures 362 formed on the top 361 with the power indicator 34 fitted thereon, a plurality of first openings 364A and 364B formed on a rear end 364, and a plurality of second openings 365A and 365B formed on one side 365 wherein the first and second openings 364A, 364B, 365A, and 365B are shaped to snugly fit the first, second, and third connectors 331, 332, and 333 and the switch 334 therein;

the first connector 331 is a charging socket for charging both the power supply 10 and an electronic device 40 by electrically connecting to an external AC (alternating current) power;

the second connector 332 is adapted to supply power from the power supply 10 to the electronic device 40;

the third connector 333 is a port for communicating data with an external computer; and

the switch 334 is adapted to turn on the power supply 10 and activate the power supply assembly 35 for charging.

4. The power supply of claim 3, wherein the second connector 332 is adapted to communicate data from the electronic device 40 to the computer by connecting to the third connector 333 through a circuit 312 of the PCB 31, the third connector 333 is adapted to connect to one male plug 61 of a USB (Universal Serial Bus) connector 6, and data is sent to the computer for processing through the other male plug 62 of the USB connector 6.

5. The power supply of claim 3, wherein the channel 327 is formed on the plate 32.

6. The power supply of claim 3, further comprising a plurality of tabs formed on an inner surface of a front 363 of the cover 36, a plurality of tabs 368 formed on an inner surface of a rear 364 of the cover 36, a plurality of hollow posts 369 formed on an underside of the top 361, and a plurality of projections 325 formed on the plate 32 adapted to insert into the posts 369, wherein the holes 323 are adapted to receive the tabs 368 for fastening the plate 32 and the cover 36 together.

7. The power supply of claim 3, further comprising a plurality of protrusions 324 formed on inner surfaces of the intermediate wall 321 and the rear wall 322 respectively, wherein the protrusions 324 and the projections 325 are served as spacers for separating the PCB 31 from the case 21 when the PCB 31 is fitted above the plate 32.

8. The power supply of claim 3, wherein either side 213 has a third opening 2130 proximate the closed end 212.