CN202453808U

CN202453808U - Energy-storage type micro-power-consumption standby advanced technology extended (ATX) power source

Info

Publication number: CN202453808U
Application number: CN2012200336837U
Authority: CN
Inventors: 李存国
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-02
Filing date: 2012-01-02
Publication date: 2012-09-26
Anticipated expiration: 2022-01-02

Abstract

An energy-storage type micro-power-consumption standby advanced technology extended (ATX) power source comprises an ATX power source, an alternating current output socket and a standby control circuit, wherein the standby control circuit comprises an energy storage capacitor, a relay control circuit and a trigger circuit. The energy storage capacitor is connected between a power source SB line and a ground line, the relay control circuit is parallelly connected with the energy storage capacitor, and an output end of the trigger circuit is connected with the relay control circuit. A PS-ON line of the power source is connected with the relay control circuit, an output end of a relay is parallelly connected with a button switch and then serially connected into an alternating current input circuit of the ATX power source, and the alternating current output socket is parallelly connected with the ATX power source. The energy-storage type micro-power-consumption standby ATX power source has the advantages that when a computer is standby or shut down, the ATX power source and an alternating current circuit of peripheral equipment are automatically cut off, and the energy storage capacitor is used for continuously supplying power to a mainboard, so that standby energy consumption of the power source and the peripheral equipment is basically eliminated. When the computer is started, the ATX power source is automatically connected with the alternating current circuit. Therefore, the energy-storage type micro-power-consumption standby ATX power source saves energy and is convenient. A control circuit is simple in structure, cost is low and the implement is easy.

Description

The ATX power supply of energy storage type low power consumption standby

Technical field

The utility model belongs to the computer power field, relates in particular to the ATX power supply of energy storage type low power consumption standby.

Background technology

After computer got into standby or off-mode, if do not pull out plug or close the switch of socket, then equipment such as the mainboard of ATX power supply itself, computer, display, printer, ADSL, audio amplifier were all also in power consumption; Standby power consumption through each equipment of test is following: the not enough 2W of the mainboard of the about 3W of ATX power supply itself, computer, the about 9W of display, the about 12W of printer; The about 4W of ADSL, audio amplifier 4W can find out through the effect of analyzing these parts or electricity consumption of equipment; The time having only the power consumption of computer main board in computer standby or shutdown is effective power consumption, be used to keep keyboard and mouse to wake up and function such as remote opening, and the power consumption of ATX power supply itself, display, printer, ADSL, audio amplifier all is invalid power consumption; Therefore effective power consumption 2W that only has an appointment when computer standby or shutdown; And the tired juice of invalid power consumption surpasses 25W, if the time accumulative total of every average standby every day of computer and shutdown is 16 hours, invalid power consumption is only by average 15W calculating; Then power consumption every day 0.24 is spent; About 88 degree of annual standby power consumption, more than 7,000 ten thousand computers in the whole nation, annual standby power consumption amount surpasses 6,000,000,000 degree.

At present; It is more and more nervous that electric power energy has become, and energy-conserving product has received the great attention of country with society, for reducing standby energy consumption; Many people have proposed various solutions; Application number is that 03228613.9 Chinese patent provides a kind of computer power source supply device, and this device can be controlled energising synchronously of peripheral electrical equipment and outage through the switching on and shutting down signal of computer, and its weak point is that the stand-by power consumption of power supply itself can not eliminate; Application number is the function that 200720131610.0 computer standby, zero power consumption control device can cut off AC power when having realized shut down of computer; The purpose of computer and peripherals zero-power when reaching shutdown; Its weak point is that this device makes computer lose idle function, and after " standby " or the Close button with click shutdown interface, this device just cuts off alternating circuit; Cause to use keyboard, mouse to wake up and the remote opening function; Can only manually start shooting, make computer function disappearance, this device uses the phone-line-powered wiring that the makes computer more complicated that becomes in addition; Also have some to have the socket of teleswitch function on the market, also can cut off the electricity supply during shutdown, its weak point is complex structure, and cost is higher, and also there is power consumption in this device itself when standby.

Summary of the invention

In order to overcome the deficiency that prior art exists; The purpose of the utility model provides a kind of ATX power supply of energy storage type low power consumption standby; Make computer when standby or shutdown, can cut off the alternating circuit of ATX power supply itself and peripherals; Can also continue simultaneously to main board power supply guaranteeing that computer has keyboard, mouse wakes up and the remote opening function, thereby eliminate ineffective power consumption, significantly reduce standby energy consumption.

The ATX power supply of energy storage type low power consumption standby; Comprise ATX power supply 1, exchange accessory power outlet 2 and readiness control circuit; It is characterized in that: readiness control circuit comprises storage capacitor C2, control relay circuit and trigger circuit; Storage capacitor C2 is connected between the SB power lead and ground wire of ATX power supply, and control relay circuit comprises relay SSR and triode T1, and relay SSR input end and triode T1 series connection back are parallelly connected with storage capacitor; Trigger circuit and storage capacitor C2 parallel connection, the output terminal of trigger circuit is connected with the base stage of triode T1; The PS-ON signal wire of ATX power supply is connected with the base stage of another triode T2; The collector and emitter of two triode T1, T2 is connected to together; Be connected in the ac input circuit of ATX power supply 1 after the output terminal of relay SSR and button switch K 1 are parallelly connected; It is parallelly connected with ATX power supply 1 to exchange accessory power outlet 2.

The said trigger circuit of the utility model comprise diode D1, the capacitor C 1 and the voltage comparator A of reference voltage are provided; The anode of diode D1 connects+the 5VSB power lead; The negative electrode of diode D1 connects the capacitor C 1 that reference voltage is provided; The other end ground wire of capacitor C 1; The negative electrode of diode D1 is connected with the reverse input end of voltage comparator A, and the in-phase input end of voltage comparator A and supply pin are connected with+5VSB power lead, and the output terminal of comparer A is connected with the base stage of triode T1 in the control relay circuit.

The utility model is the improvement to existing ATX Switching Power Supply, after computer is connected electric main, clicks pushbutton switch, and the ATX power supply gets; + 5VSB output terminal output+5V direct current, storage capacitor C2 is by charging rapidly, and capacitor C 1 also is recharged, because of diode in series D1 on the capacitor C 1 has the dividing potential drop effect; So the voltage on the capacitor C 1 is lower than the voltage on the storage capacitor C2, behind the release button switch, the alternating circuit of ATX power supply is cut off, the no energy consumption of power supply itself; Guarantee function that it have remote opening or timing start-up by the main board power supply of storage capacitor C2 to computer this moment, if do not start shooting for a long time, the electric energy of storage capacitor C2 is consumed; Voltage reduces gradually, and behind the voltage that is lower than on the capacitor C 1, the comparator output terminal upset becomes low level by high level; Trigger triode T1 conducting, relay work connects alternating circuit, and the ATX power supply is once more; Storage capacitor C2 charges once more, and voltage gos up, and after voltage surpassed the voltage on the capacitor C 1, voltage comparator A overturn once more; Output terminal becomes high level by low level, and triode T1 ends, and the output terminal of relay SSR breaks off; Having cut off alternating circuit again, is main board power supply by storage capacitor C2, so can make the energising of ATX energy supply periodic be storage capacitor C2 charging repeatedly; Storage capacitor C2 is main board power supply continuously, and is short because the ATX power supply exchanges the time compole of energising, thereby the average power consumption of power supply is close to zero.

When booting computer; The PS-ON signal wire becomes low level, and trigger triode T2 is in the saturation conduction state always, and the electric energy on the storage capacitor C2 makes relay startup work; Connect alternating circuit; The ATX power supply gets electric operate as normal, and the input current of relay SSR changes by+5VSB power supply and continues to provide the computer operate as normal.

When computer needed standby or shutdown, after " standby " or the Close button with click shut down of computer interface, the PS-ON signal wire became high level, and triode T2 is ended; Relay quits work, and gets into standby or off-mode, and this moment, alternating circuit was cut off; The ATX power supply quits work, and is that computer main board is supplied power continuously by storage capacitor C2, after electric quantity consumption voltage reduces; Voltage comparator A trigger relay control circuit conducting again makes relay work, connects alternating circuit, is storage capacitor C2 charging; Cutting off alternating circuit again after having dashed electricity, so repeatedly, is main board power supply by storage capacitor C2 continuously; Both guaranteed that computer can normally use keyboard, mouse to wake the function with remote opening up, significantly reduced the conduction time of power supply, eliminated the stand-by power consumption of ATX power supply basically.

Exchange the plug that accessory power outlet is used to connect porous socket; Porous socket is used to connect the attaching plug of computer peripheral; Comprise display, printer, ADSL, audio amplifier etc., because it is parallelly connected with the ATX power supply to exchange accessory power outlet, when computer standby or shutdown; The circuit that exchanges accessory power outlet also is simultaneously severed, thereby has eliminated the stand-by power consumption of computer peripheral basically.

The utility model compared with prior art, advantage is: can in computer standby or shutdown, cut off the alternating circuit of ATX power supply and peripherals automatically, thereby eliminate the stand-by power consumption of power supply itself and computer peripheral basically, practice thrift electric energy greatly; When booting computer, can also connect alternating circuit automatically, both not reduce waking up and the remote opening function of computer, also not increase the step of people's normal running, not only energy-conservation but also convenient; Control circuit is skillfully constructed, and is simple in structure, and cost is extremely low, easy to implement, popularization.

Description of drawings

Fig. 1 is the circuit diagram of the utility model embodiment.

Fig. 2 is the rear view of the utility model.

Embodiment

According to Fig. 1; The utility model comprises ATX power supply 1, exchanges accessory power outlet 2 and readiness control circuit; It is characterized in that: readiness control circuit comprises storage capacitor C2, control relay circuit and trigger circuit; Storage capacitor C2 is connected between the SB power lead and ground wire of ATX power supply, and control relay circuit comprises relay SSR and triode T1, T2, and relay SSR input end and triode T1 series connection back are parallelly connected with storage capacitor C2; Trigger circuit and storage capacitor C2 parallel connection, the output terminal of trigger circuit is connected with the base stage of triode T1; The PS-ON signal wire of ATX power supply 1 is connected with the base stage of another triode T2; The collector and emitter of two triode T1, T2 is connected to together; Be connected in the ac input circuit of ATX power supply 1 after the output terminal of relay SSR and button switch K 1 are parallelly connected; It is parallelly connected with ATX power supply 1 to exchange accessory power outlet 2.Said trigger circuit comprise diode D1, the capacitor C 1 and the voltage comparator A of reference voltage are provided; The anode of diode D1 connects+the 5VSB power lead; The negative electrode of diode D1 connects the capacitor C 1 that reference voltage is provided, the other end ground wire of capacitor C 1, and the negative electrode of diode D1 is connected with the reverse input end of voltage comparator A; The in-phase input end of voltage comparator A and supply pin are connected with+5VSB power lead, and the output terminal of comparer A is connected with the base stage of triode T1 in the control relay circuit.

In this embodiment, storage capacitor C2 selects the 50F super capacitor for use, and triode T1, T2 are positive-negative-positive, and diode D1 selects the diode of silicon materials; Its pressure drop is 0.7V, makes capacitor C 1 remain the voltage of 4.3V, when standby or shutdown, whenever the voltage of storage capacitor C2 drops to 4.3V reference voltage that capacitor C 1 provides when following; The output terminal of comparer A is a low level by the high level upset, triode T1 saturation conduction, solid-state relay SSR work; Connect AC power, SB power lead output+5V direct current is storage capacitor C2 charging, makes the voltage fast rise of storage capacitor C2; After its voltage surpassed 4.3V, the upset of the output terminal of comparer A was high level, and triode T1 ends; Solid-state relay SSR cuts off AC power, because the awareness character of power supply, after interchange is cut off; The output current of+5VSB power supply still can continue a bit of time, continues as storage capacitor C2 charging, makes its voltage can return to 5V; If comparer A selects hysteresis comparator for use, the time of charging can extend, the time that whole charging process is about 2～3 seconds; During alternating circuit is cut off back+5VSB power supply no-output voltage, be main board power supply, keeping waking up and functions such as long-range or timing start-up of its keyboard and mouse, if the electric current when mainboard standby or shutdown is 0.1A by storage capacitor C2; Then the voltage of storage capacitor C2 is about 350 seconds from the time that 5V drops to the 4.3V needs, and storage capacitor C2 charged once automatically in about so per 6 minutes, 2～3 seconds duration of charging; The working time of ATX power supply is less than 1% of shutdown or standby T.T., thereby the stand-by power consumption of power supply itself has been reduced to originally below 1%, greatly reduces standby energy consumption.

According to Fig. 2, wherein: 3 is the utility model rear panel, and 4 for exchanging input plug, and 6 is the button of

K switch

1, and 2 for exchanging accessory power outlet.As can be seen from the figure increase a button 6 on the rear panel 3 of the utility model and exchanged accessory power outlet 2; Exchange the plug (figure does not draw) that accessory power outlet 2 is used for connecting porous socket; Porous socket is used to connect the attaching plug of computer peripherals such as display, printer, ADSL, audio amplifier; For peripherals provides AC power, because it is parallelly connected with the ATX power supply to exchange accessory power outlet.

Claims

1. the ATX power supply of energy storage type low power consumption standby; Comprise ATX power supply (1), exchange accessory power outlet (2) and readiness control circuit; It is characterized in that: readiness control circuit comprises storage capacitor C2, control relay circuit and trigger circuit; Storage capacitor C2 is connected between the SB power lead and ground wire of ATX power supply, and control relay circuit comprises relay (SSR) and triode T1, and relay (SSR) input end and triode T1 series connection back are parallelly connected with storage capacitor; Trigger circuit and storage capacitor C2 parallel connection, the output terminal of trigger circuit is connected with the base stage of triode T1; The PS-ON signal wire of ATX power supply is connected with the base stage of another triode T2; The collector and emitter of triode T1 and another triode T2 is connected to together; The output terminal of relay (SSR) be connected in the ac input circuit of ATX power supply (1) after pushbutton switch (K1) is parallelly connected; It is parallelly connected with ATX power supply (1) to exchange accessory power outlet (2).

2. the ATX power supply of energy storage type low power consumption standby according to claim 1; It is characterized in that: said trigger circuit comprise diode (D1), the capacitor C 1 and the voltage comparator (A) of reference voltage are provided; The anode of diode (D1) connects+the 5VSB power lead; The negative electrode of diode (D1) connects the capacitor C 1 that reference voltage is provided, the other end ground wire of capacitor C 1, and the negative electrode of diode (D1) is connected with the reverse input end of voltage comparator (A); The in-phase input end of voltage comparator (S) and supply pin are connected with+5VSB power lead, and the output terminal of comparer (A) is connected with the base stage of triode T1 in the control relay circuit.