CN2881774Y

CN2881774Y - Step power supply device for computer

Info

Publication number: CN2881774Y
Application number: CNU2006200705770U
Authority: CN
Inventors: 吴建纲
Original assignee: 吴建纲
Priority date: 2006-03-24
Filing date: 2006-03-24
Publication date: 2007-03-21
Anticipated expiration: 2016-03-24

Abstract

The utility model discloses a step power supply device for computer. This device is composed of an over-current protecting device, a high-rate socket providing electricity to main equipments such as computer frame etc, a common-rate socket providing electricity to normal electrical appliances. The high-rate socket providing electricity to main equipments such as computer frame etc is directly connected to electricity-distribution circuitry, and the common-rate socket providing electricity to normal electrical appliances is connected to the electricity-distribution circuitry through the over-current protecting device. The utility model can not only ensure the reliability of power supply of main equipments such as computer frame etc, but also ensure the power supply safety of the electricity-distribution circuitry.

Description

Classification disjunction computer power supply device

Technical field

The utility model relates to a kind of electric supply installation, in particular to be a kind of classification disjunction computer power supply device that ensures visual plants such as computing machine.

Background technology

At present; when using a computer; usually also need to use simultaneously such as some other equipment such as printers; so need main frame, display and other used electric equipment be plugged on the supply socket box together with a supply socket box usually, and present supply socket box is divided into the no current overload protection arrangement and two kinds of current overload protection protection units are arranged.

The supply socket box of no current overload protection arrangement, overload protection function realized by the current overload protection protection unit that disposes on the distribution line, as Fig. 1, the current overload protection protection unit normally with the air switch of overcurrent disjunction function, cross device such as flow fuse.The supply socket box of this no current overload protection arrangement has two shortcomings, the one, during certain electrical equipment generation excess current on being plugged on the supply socket box, can make the current overload protection protection unit tripping operation on the distribution line or open circuit, cause all appliance cut-offs that are plugged on this supply socket box, if have the computing machine or other visual plant that are using to be plugged on this supply socket box, then can cause loss of data, software and hardware to damage, or other infringement; The 2nd, during certain electrical equipment generation excess current on being plugged on the supply socket box; current overload protection protection unit on the distribution line trips or opens circuit; that distribution line outage that can cause this supply socket box to be connected; influence is plugged on the normal use of the electrical equipment on this distribution line, even causes damage.

The supply socket box that the current overload protection protection unit is arranged; cause the outage of distribution line in the time of can avoiding being plugged on the electrical equipment generation excess current on the supply socket box; but owing to when the designing power supply socket box, can't determine the electricity consumption electric current of each socket on the supply socket box; so; all can only be equipped with a current overload protection protection unit; all sockets on the supply socket box all are connected on the distribution line via this current overload protection protection unit, as Fig. 2.This have the supply socket box of current overload protection protection unit with the supply socket box of not adorning the current overload protection protection unit an identical shortcoming to be arranged; promptly during certain the electrical equipment generation excess current on being plugged on the supply socket box; the current overload protection protection unit that is installed on the supply socket box can be cut off the electricity supply; cause all appliance cut-offs that are plugged on this supply socket box; if have the computing machine or other visual plant that are using to be plugged on this supply socket box; then can cause loss of data, software and hardware to damage, or other infringement.

For addressing this problem, promptly avoid visual plant such as main frame to suffer accident power-off, improve the reliability of power supply, people can be these visual plants configuration uninterrupted power supply (ups) Unitys, when the electrical network accident power-off, uninterrupted power source can continue as the main frame power supply.But, higher owing to the expense of purchasing uninterrupted power source, need to change battery, reason such as take up room, generally be not widely used, but the apparatus and method that also do not have other to address this problem.

In addition, though prior art has the device of part about safety socket, for example, what ZL03253368.3 patent " supply socket " related to is a kind of innovation and creation of setting up power meter in the electric power loop of socket, though this technology can show the electrical equipment electric power but still can not ensure power supply safety; What ZL200420085152.8 patent " electrical outlets with security mechanism " related to is a kind of innovation and creation that plug freely unloaded or inserted electrical outlets that limit, and this technology is irrelevant with the Electrical Safety that ensures electrical equipment; Number of patent application be 200510026577.0 " safety socket " utilize the conducting frame to each onunit link control with avoid false touch, misplug, the misplug security incident, and the phase line of respectively powering serial connection dropping resistor and light emitting diode are guaranteed Electrical Safety to show each road power supply information, but these innovation and creation still do not address the above problem.

The utility model content

The purpose of this utility model is to provide a kind of classification disjunction computer power supply device at the weak point of above-mentioned prior art existence.When overload takes place when grafting non-important electrical equipment thereon in this device; its power supply can be cut off; current overload protection protection unit in the supply line that avoids being connected is cut off the electricity supply, thereby is continued as visual plants such as the main frame power supply that is plugged on this device.

The technical scheme that the utility model adopted is:

A kind of classification disjunction computer power supply device; form by high-grade socket, ordinary grade socket and current overload protection protection unit; wherein said high-grade socket is connected directly to distribution line, and described ordinary grade socket links to each other with distribution line via the current overload protection protection unit again.

Above-mentioned classification disjunction electric supply installation, it is further characterized in that this device also comprises power switch and two power supply state pilot lamp, described power switch is series on the distribution line of high-grade socket and ordinary grade socket; Be connected to the power supply state pilot lamp of high-grade socket on the circuit of described high-grade socket, be connected to the power supply state pilot lamp of ordinary grade socket on the circuit of described ordinary grade socket.

Above-mentioned classification disjunction electric supply installation, it is further characterized in that the both sides of described power switch respectively are provided with a protection raised line, switch is located between two raised lines, is embedded with the pilot lamp mating plate on the protection raised line.

Above-mentioned classification disjunction electric supply installation, it further is characterised in that, described current overload protection protection unit is a kind of in the electronic switch of electric mechanical switch, band overcurrent disjunction function of fuse, fuse, electrical current heat overload switch, band overcurrent disjunction function; Described high-grade socket marks with literal, color, shape etc.

Classification disjunction computer power supply device of the present utility model can also also be connected to the current overload protection protection unit simultaneously on the circuit of high-grade socket.

The beneficial effects of the utility model are: the electrical equipment on being plugged on the ordinary grade socket is short-circuited or during excess current; the current overload protection protection unit of classification disjunction electric supply installation can cut off the power supply of ordinary grade socket; the ordinary grade power light extinguishes; because the breaking current of the overcurrent protection equipment of installing on the distribution line is usually all greater than the breaking current of the current overload protection protection unit of classification disjunction electric supply installation; so the overcurrent protection equipment on the distribution line can action power dump; therefore; high-grade socket in the classification disjunction electric supply installation still has electricity, thereby has ensured the power supply that is plugged on the visual plants such as main frame on the high-grade socket.Because the reliability that manufactures and designs of visual plant power supply units such as computing machine is than higher; therefore; the high-grade socket of classification disjunction computer power supply device directly inserts distribution line without the current overload protection protection unit, and the security of distribution line is not had influence substantially.In addition, the both sides of power switch respectively are provided with a protection raised line, and switch is located between two raised lines, can prevent that switch is by maloperation, on the protection raised line, also be embedded with the pilot lamp mating plate, whether can see to wide-angle power supply clearly and switch on, the pilot lamp mating plate is in the extreme higher position, sight line can not be blocked, pilot lamp is equipped with the black lampshade device, pilot lamp is enclosed in the middle of the lampshade of black, and light can only appear from the pilot lamp mating plate, and is more clear and attractive in appearance.

Description of drawings

Fig. 1 is the supply socket box principle schematic of no current overload protection arrangement in the prior art;

Fig. 2 is the supply socket box principle schematic that the current overload protection protection unit is arranged in the prior art;

Fig. 3 is the schematic diagram of the utility model preferred embodiment;

Fig. 4 is the application principle figure of the utility model preferred embodiment;

Fig. 5 is the principle schematic of another embodiment of the utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

[embodiment 1]

As shown in Figure 3 and Figure 4; in the present embodiment; classification disjunction computer power supply device has several high-grade socket 1 and several ordinary grade sockets 2; ordinary grade socket 2 links to each other with the output terminal d of current overload protection protection unit 3, and the input end c of current overload protection protection unit 3 links to each other with the output terminal b of power switch 4.High-grade socket 1 links to each other with the output terminal b of power switch 4, and the input end a of power switch 4 links to each other with distribution line through attaching plug 5.When power switch 4 closures, power supply is directly supplied with high-grade socket 1 on the one hand, powers to ordinary grade socket 2 through current overload protection protection unit 3 on the other hand.The current overload protection protection unit 3 of present embodiment is selected the electrical current heat overload switch for use.

In the present embodiment, in order to indicate the power supply state of high-grade socket 1 and ordinary grade socket 2, at the power supply state pilot lamp 11 that is connected to high-grade socket on the circuit of high-grade socket 1, on the circuit of ordinary grade socket 2, be connected to the power supply state pilot lamp 21 of ordinary grade socket.

[embodiment 2]

As shown in Figure 5; present embodiment comes down to a mutation of the invention; it also is made up of high-grade socket 1, ordinary grade socket 2 and current overload protection protection unit 31,32; but current overload protection protection unit 32 is installed on the circuit of ordinary grade socket in the present embodiment, current overload protection protection unit 31 also is installed on the circuit of high-grade socket.The current overload protection protection unit 31,32 of present embodiment is all selected the electronic switch of band overcurrent disjunction function for use.

Socket described in the utility model be a state or area standard socket, can patch the multipurpose socket (being also referred to as converter) of a plurality of countries standard plug.

Though the utility model is described by embodiment, embodiment is used for limiting the utility model.Those skilled in the art can make various distortion and improvement in the scope of spirit of the present utility model, appended claim should comprise these distortion and improvement.

Claims

1, a kind of classification disjunction computer power supply device; it is characterized in that: it is made up of high-grade socket, ordinary grade socket and current overload protection protection unit; wherein said high-grade socket is connected directly to distribution line, and described ordinary grade socket links to each other with distribution line via the current overload protection protection unit again.

2, classification disjunction computer power supply device according to claim 1, it is characterized in that: be connected to the power supply state pilot lamp of high-grade socket on the circuit of described high-grade socket, be connected to the power supply state pilot lamp of ordinary grade socket on the circuit of described ordinary grade socket.

3, classification disjunction computer power supply device according to claim 1 and 2 is characterized in that: described current overload protection protection unit is a kind of in the electronic switch of electric mechanical switch, band overcurrent disjunction function of fuse, fuse, electrical current heat overload switch, band overcurrent disjunction function.

4, classification disjunction computer power supply device according to claim 1 and 2, it is characterized in that: it also comprises power switch, described power switch is series on the distribution line of high-grade socket and ordinary grade socket.

5, classification disjunction computer power supply device according to claim 4 is characterized in that: the both sides of described power switch respectively are provided with a protection raised line, and switch is located between two raised lines, are embedded with the pilot lamp mating plate on the protection raised line.

6, classification disjunction computer power supply device according to claim 1, it is characterized in that: described high-grade socket marks with literal, color or shape.

7, classification disjunction computer power supply device according to claim 1 is characterized in that: also be connected to the current overload protection protection unit on the circuit of described high-grade socket.