CN201327620Y

CN201327620Y - Computer power

Info

Publication number: CN201327620Y
Application number: CNU2008202357884U
Authority: CN
Inventors: 戴一乐
Original assignee: SHENZHEN LINENGDA INDUSTRIAL Co Ltd
Current assignee: SHENZHEN LINENGDA INDUSTRIAL Co Ltd
Priority date: 2008-12-29
Filing date: 2008-12-29
Publication date: 2009-10-14
Anticipated expiration: 2018-12-29

Abstract

The embodiment of the utility model relates to a computer power, comprising a power supply circuit and a USB interface connected with the power supply and charged to external equipment by use of the power supply circuit. With the computer power adopted at the embodiment of the utility model, the user can directly charge the external equipment by using the computer power, and the charging for external device can be achieved through the USB on the computer chassis without turning on the computer. The utility model has the advantages of simple and convenient user operation, and improving the user satisfaction.

Description

Computer power

Technical field

The utility model relates to electricity field, relates in particular to a kind of computer power.

Background technology

At present, MP3 player on the market, MP4 player etc. mostly use rechargeable battery to power, and its charging connects the general data line that adopts, as have the connecting line of USB interface, are connected with USB interface on the computer housing.

The inventor finds that there is following technical matters at least in prior art in implementing the utility model process:

Owing to need at first open computer at every turn, could charge to MP3 player or MP4 player by the USB interface on the computer housing, but can not use the USB interface on the computer housing that MP3 player or MP4 player are charged during shut down of computer, user's complex operation like this, inconvenient user uses, and has reduced user satisfaction.

The utility model content

The utility model embodiment technical matters to be solved is, a kind of computer power that includes USB interface is provided, the user can utilize this computer power directly external equipments such as MP3 player or MP4 player to be charged, could external equipments such as MP3 player or MP4 player not charged by the USB interface on the computer housing and do not need to open earlier computer, the user is simple, convenient, has improved user satisfaction.

For solving the problems of the technologies described above, the utility model embodiment adopts following technical scheme:

A kind of computer power comprises feed circuit, also comprises:

Link to each other with described feed circuit, and the USB interface of utilizing described feed circuit that external equipment is charged.

The beneficial effect of the utility model embodiment is:

By a kind of computer power, comprise feed circuit, and link to each other with described feed circuit, and the USB interface of utilizing described feed circuit that external equipment is charged, the user can utilize this computer power directly external equipments such as MP3 player or MP4 player to be charged, could external equipments such as MP3 player or MP4 player not charged by the USB interface on the computer housing and do not need to open earlier computer, the user is simple, convenient, has improved user satisfaction.

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

Description of drawings

Fig. 1 is the primary structure figure of the computer power of the utility model embodiment;

Fig. 2 is the first specific embodiment synoptic diagram of computer power of the present utility model;

Fig. 3 is the second specific embodiment synoptic diagram of computer power of the present utility model;

Fig. 4 is the 3rd a specific embodiment synoptic diagram of computer power of the present utility model;

Fig. 5 is the installation diagram of the computer power of the utility model embodiment.

Embodiment

Fig. 1 is the primary structure figure of the computer power of the utility model embodiment, and with reference to this figure, computer power comprises feed circuit 101, usb 1 02, wherein:

Feed circuit 101 link to each other with usb 1 02, usb 1 02 utilizes 101 pairs of external equipments of feed circuit to charge, feed circuit 101 can utilize the feed circuit of existing computer power, also can carry out improvement such as power increase to it, thereby adapt to the charging demand power of more external equipments.

Implement the computer power of the utility model embodiment as shown in Figure 1, it includes USB interface that link to each other with feed circuit 101 and that utilize 101 pairs of external equipments of feed circuit to charge, thereby the user can utilize this computer power directly external equipments such as MP3 player, MP4 player, mobile phone to be charged, could external equipments such as MP3 player, MP4 player or mobile phone not charged by the USB interface on the computer housing and do not need to open earlier computer, the user is simple, convenient, has improved user satisfaction.

Fig. 2 is the first specific embodiment synoptic diagram of computer power of the present utility model, with reference to this figure, computer power comprises feed circuit, usb 1 02, wherein feed circuit comprise exchange input rectification circuit 1011, high frequency DC converting circuit 1012, auxiliary power circuit 1013, computer system feed circuit 1014, standby power supply output+5VSB1015, wherein:

Exchange input rectification circuit 1011, auxiliary power circuit 1013, computer system feed circuit 1014 and link to each other with high frequency DC converting circuit 1012 respectively, auxiliary power circuit 1013 and usb 1 02 ,+5VSB1015 links to each other;

Improve the output power of auxiliary power circuit 1013, tell one road direct current and export usb 1 02 to, be that usb 1 02 electric energy can be provided fully by auxiliary power circuit 1013, connect usb 1 02 and external equipment by connecting line, promptly can be external equipment provides direct supply to charge.

Implement the computer power of the utility model embodiment as shown in Figure 2, it includes and links to each other with feed circuit, and the USB interface of utilizing feed circuit that external equipment is charged, feed circuit can be by exchanging input rectification circuit 1011, high frequency DC converting circuit 1012, auxiliary power circuit 1013, computer system feed circuit 1014, standby power supply output+5VSB1015 connects to form, thereby the user can utilize this computer power directly to the MP3 player, the MP4 player, external equipments such as mobile phone charge, could be and do not need to open earlier computer by the USB interface on the computer housing to the MP3 player, external equipments such as MP4 player or mobile phone charge, the user is simple to operate, convenient, improve user satisfaction, can also reach energy-conservation beneficial effect in addition; Made full use of+front stage circuits of 5VSB1015, cost-saved, economize on resources, do not account for exceptional space.

In addition, because the peak power output requirement of the adaptor power supplies of some external equipment, therefore the computer power of the utility model embodiment need satisfy the charging external equipment demand power, can between auxiliary power circuit 1013 and usb 1 02, also can comprise the power increase circuit that is used to satisfy the charging external equipment demand power so, specifically can be as described below.

Fig. 3 is the second specific embodiment synoptic diagram of computer power of the present utility model, with reference to this figure, computer power is on the basis of first specific embodiment of computer power shown in Figure 2, auxiliary power circuit 1013 comprises direct current DC300V end, pulsewidth modulated intergrated circuit PWM IC end, the first transformer T1, the first diode D1, first inductance L 1, first capacitor C 1, T1 comprises coil parameter N1, N2, wherein:

The primary return of T1 and DC300V end, PWM IC end link to each other, and the secondary loop of T1 is passed through D1, L1, C1 ground connection successively, be connected between L1 and the C1 usb 1 02 ,+5VSB1015;

Increase the output power of T1, increase the electric current of D1, with the output current of increasing+5VSB1015, increase the capacitance of C1,, extract one group of output from+5VSB1015 with the filtering of reinforcement+5VSB1015, be connected to usb 1 02, like this, electric energy charges through T1, D1, L1, C1.

Fig. 4 is the 3rd a specific embodiment synoptic diagram of computer power of the present utility model, with reference to this figure, computer power is on the basis of first specific embodiment of computer power shown in Figure 2, auxiliary power circuit 1013 comprises DC300V end, PWM IC end, the second transformer T2, the second diode D2, the 3rd diode D3, second inductance L 2, the 3rd inductance L 3, second capacitor C 2, the 3rd capacitor C 3, T2 comprises coil parameter N3, N4, N5, wherein:

The primary return of T2 and DC300V end, PWM IC end link to each other, and first secondary loop of T2 is passed through D2, L2, C2 ground connection successively, and the second subprime loop of T2 is passed through D3, L3, C3 ground connection successively, are connected with between L3 and the C3+5VSB1015, usb 1 02;

Increase the output power of T2, and in T2 except that comprising auxiliary winding N4, also comprise auxiliary winding N5, through the D2 rectification, reach L2, C2 filtering after, be connected on the usb 1 02, thereby charge.

As a kind of embodiment, computer power also comprises fan, and USB interface can be arranged on the fan homonymy, as shown in Figure 5, can more help user's operation like this.

As a kind of embodiment, can be provided with a plurality of USB interface on the computer power.

The above is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.

Claims

1, a kind of computer power comprises feed circuit, it is characterized in that, also comprises:

2, computer power as claimed in claim 1 is characterized in that, described feed circuit comprise:

Exchange input rectification circuit, with the described continuous high frequency DC converting circuit of input rectification circuit that exchanges, the auxiliary power circuit, the computer system feed circuit that link to each other with described high frequency DC converting circuit, described auxiliary power circuit links to each other with described USB interface.

3, computer power as claimed in claim 2 is characterized in that, described auxiliary power circuit comprises:

First direct current 300V end, the first pulsewidth modulated intergrated circuit end, first transformer, first diode, first inductance, first electric capacity, the primary return of described first transformer is held with the described first direct current 300V, the described first pulsewidth modulated intergrated circuit end links to each other, the secondary loop of described first transformer is passed through described first diode, described first inductance, described first capacity earth successively, is connected with described USB interface between described first inductance and described first electric capacity.

4, computer power as claimed in claim 2 is characterized in that, described auxiliary power circuit comprises:

Second direct current 300V end, the second pulsewidth modulated intergrated circuit end, second transformer, second diode, the 3rd diode, second inductance, the 3rd inductance, second electric capacity, the 3rd electric capacity, the primary return of described second transformer and described second direct current 300V end, the described second pulsewidth modulated intergrated circuit end links to each other, first secondary loop of described second transformer is successively through second diode, second inductance, second capacity earth, the second subprime loop of described second transformer is successively through the 3rd diode, the 3rd inductance, the 3rd capacity earth is connected with described USB interface between described the 3rd inductance and described the 3rd electric capacity.

5, as each described computer power in the claim 1 to 4, it is characterized in that described computer power comprises fan, described USB interface is arranged on described fan homonymy.