CN2519487Y

CN2519487Y - Power supply switch socket

Info

Publication number: CN2519487Y
Application number: CN 01271400
Authority: CN
Inventors: 何飚
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-20
Filing date: 2001-12-20
Publication date: 2002-10-30
Anticipated expiration: 2011-12-20

Abstract

The utility model relates to a power supply switch socket, comprising a power supply socket and a key switch TA which is characterized in that the power supply socket comprises two groups of sockets, a sampling circuit, two control switches, a voltage comparer, an AC rectifier circuit and a control switch. The sampling circuit samples the power change signals of the power supply socket; the two control switches respectively controls the turn-off or turn-on of the power supply socket; the voltage comparer receives signals output by the sampling circuit and actuating signals output by the control switches and then the voltage comparer respectively amplifies the signals and respectively inputs the simplified signals to the two control switches to control the turn-on or turn-off of the socket; the AC rectifier circuit which is series connected with the key switch TA provides DC working voltage for the two control switches and the voltage comparer; the control switch controls the turn-off or turn-on of the rectifier circuit. When pressing the key switch TA, the utility model can be automatically started according to computer sequence: first, an external power supply is connected to and then a host power supply is connected to; when closing the electro-load, the power supply can be turned off automatically according to the computer sequence, which protects the computer and saves energy.

Description

The mains switch socket

(1) technical field

The utility model relates to a kind of mains switch socket.

(2) background technology

Existing mains switch socket all has hand switch, when using, needs Push switch, and socket is charged, when not in use, needs Push switch ability powered-down.Be equipped with this socket as computer, forgotten powered-down, not only damage computer and consumed power.

(3) technology contents

The purpose of this utility model provides a kind of unlatching or closing sequence energized or automatic powered-down by computer, is suitable for the mains switch socket of computer.

In order to achieve the above object, the utility model is achieved in that and comprises supply socket and key switch TA; It is characterized in that: supply socket comprises two groups of sockets; The variable power signals sampling circuit of one sampling supply socket; Control two control switchs of the shutoff or the connection of supply socket respectively; One receives signal or the enabling signal of control switch output and the comparison amplifier that amplifies respectively of sample circuit output respectively, and the signal after it will amplify inputs to two control switchs respectively, thereby controls opening or closing of socket; One ac rectifier of connecting with key switch TA, this circuit provides direct-current working volts, the shutoff or the connection of a control switch may command rectification circuit for two control switchs and comparison amplifier.

Of the present utility modelly further be improved to, above-mentioned ac rectifier comprises voltage stabilizing didoe ZD, diode D2, capacitor C 3 and resistance R 5; Diode D2 connects with key switch TA, and the negative electrode of voltage stabilizing didoe ZD connects the output of key switch TA, the plus earth of voltage stabilizing didoe ZD, and after capacitor C 3 and resistance R 5 are in parallel, the negative electrode of a terminating diode D2, other end ground connection.Above-mentioned comparison amplifier comprises amplifier U1, resistance R 6 one R10, capacitor C 4 and diode D3; Resistance R 6 is connected between 1,5 pin of amplifier U1; Resistance R 7 is connected between 1,2 pin of amplifier U1; 2 pin of resistance R 8 one termination amplifier U1, other end ground connection; The 4 pin ground connection of amplifier U1,8 pin of amplifier U1 connect the negative electrode of diode D2, and resistance R 9 is connected between 6,8 pin of amplifier U1, the anode of diode D3 connects 6 pin of amplifier U1, its minus earth, capacitor C 4 and resistance R 10 5 pin of termination amplifier U1 afterwards in parallel, other end ground connection.An above-mentioned control switch comprises triode Q2, relay J 2, diode D4, D5, capacitor C 6 and resistance R 13; The base stage of triode Q2 connects 7 pin of amplifier U1 by resistance R 13 and diode D4, the negative electrode of one terminating diode D4 of capacitor C 6, its other end ground connection, the grounded emitter of triode Q2, the collector electrode of relay J 2 and a termination triode Q2 after diode D5 is in parallel, the negative electrode of another terminating diode D2, the normally opened contact J2-1 of relay J 2 and the two ends that connect AC power after one group of socket is connected.Another control switch comprises triode Q1, LED 5, LED6, diode D1, D6, D7, resistance R 4, R12, R14-R17, K switch 2 and capacitor C 5; 7 pin of resistance R 12, R15, diode D7 series connection back one termination amplifier U1, the base stage of another termination triode Q1; The series connection point of K switch 2, resistance R 17 and LED 5 series connection back one terminating resistor R15 and diode D7, the negative electrode of another terminating diode D2; The series connection point of resistance R 14 and capacitor C 5 back one terminating resistor R15 in parallel and diode D7, other end ground connection; Resistance R 16 back of connecting with LED 6 is in parallel with relay J 1, diode D6, the negative electrode of the circuit one terminating diode D2 after the parallel connection, the collector electrode of another termination triode Q1, the grounded emitter of triode Q1; The normally opened contact J1-1 of relay J 1 is in parallel with button TA, after connecting with one group of socket, another normally opened contact J1-2 is connected on the two ends of AC power by sample circuit, the normally-closed contact J1-3 of relay J 1 is with after diode D1, resistance R 4 are connected, 5 pin of one termination amplifier U1, the output of another termination key switch TA.An above-mentioned socket comprises socket P1-P5 and hand switch K1; Socket P2-P5 back mutually in parallel with connects power supply after the normally opened contact J2-1 of relay J 2 connects, socket P1 with connect power supply after hand switch K1 connects.Another socket comprises socket P6, connects power supply by sample circuit after this socket P6 connects with a normally opened contact J1-2 of relay J 1.Above-mentioned sample circuit comprises resistance R 3.It also comprises a working indicating, and this circuit comprises resistance R 11 and LED 1-LED4; Connect 7 pin of the circuit one termination amplifier U1 after its series connection, other end ground connection after the LED 1-LED4 parallel connection with resistance R 11.

The utility model advantage compared with prior art is, when pressing key switch TA, presses the computer sequence starting automatically, promptly connects the peripheral hardware power supply earlier and connects host power supply again; When closing when using electric loading, press the closing sequence powered-down of computer automatically, protection computer, electrical energy saving.

(4) description of drawings

Fig. 1 is a circuit block diagram of the present utility model;

Fig. 2 is the circuit theory diagrams of Fig. 1.

(5) embodiment

Below in conjunction with drawings and Examples the utility model is done further detailed description:

As shown in Figure 1, it is a kind of mains switch socket, comprises two groups of supply sockets (3), (3 '); One key switch TA; The variable power signals sampling circuit (4) of one sampling supply socket (3), (3 '); Control control switch (2), (6) of shutoff or the connection of supply socket (3), (3 ') respectively; One receives signal or the enabling signal of control switch (6) output and the comparison amplifier (5) that amplifies respectively of sample circuit (4) output respectively, signal after it will amplify inputs to control switch (2), (6) respectively, thereby controls opening or closing of socket (3), (3 '); One ac rectifier (1) of connecting with key switch TA, this circuit are that control switch (2), (6) and comparison amplifier (5) provide direct-current working volts, the shutoff or the connection of control switch (6) may command rectification circuit (1).

As shown in Figure 2, above-mentioned ac rectifier (1) comprises voltage stabilizing didoe ZD, diode D2, capacitor C 3 and resistance R 5; Diode D2 connects with key switch TA, and the negative electrode of voltage stabilizing didoe ZD connects the output of key switch TA, the plus earth of voltage stabilizing didoe ZD, and after capacitor C 3 and resistance R 5 are in parallel, the negative electrode of a terminating diode D2, other end ground connection.Above-mentioned comparison amplifier (5) comprises amplifier U1, resistance R 6-R10, capacitor C 4 and diode D3; Resistance R 6 is connected between 1,5 pin of amplifier U1; Resistance R 7 is connected between 1,2 pin of amplifier U1; 2 pin of resistance R 8 one termination amplifier U1, other end ground connection; The 4 pin ground connection of amplifier U1,8 pin of amplifier U1 connect the negative electrode of diode D2, and resistance R 9 is connected between 6,8 pin of amplifier U1, the anode of diode D3 connects 6 pin of amplifier U1, its minus earth, capacitor C 4 and resistance R 10 5 pin of termination amplifier U1 afterwards in parallel, other end ground connection.Above-mentioned control switch (2) comprises triode Q2, relay J 2, diode D4, D5, capacitor C 6 and resistance R 13; The base stage of triode Q2 connects 7 pin of amplifier U1 by resistance R 13 and diode D4, the negative electrode of one terminating diode D4 of capacitor C 6, its other end ground connection, the grounded emitter of triode Q2, the collector electrode of relay J 2 and a termination triode Q2 after diode D5 is in parallel, the negative electrode of another terminating diode D2, the normally opened contact J2-1 of relay J 2 and the two ends that connect AC power after one group of socket (3) is connected.Above-mentioned control switch (6) comprises triode Q1, LED 5, LED6, diode D1, D6, D7, resistance R 4, R12, R14-R17, K switch 2 and capacitor C 5; 7 pin of resistance R 12, R15, diode D7 series connection back one termination amplifier U1, the base stage of another termination triode Q1; The series connection point of K switch 2, resistance R 17 and LED 5 series connection back one terminating resistor R15 and diode D7, the negative electrode of another terminating diode D2; The series connection point of resistance R 14 and capacitor C 5 back one terminating resistor R15 in parallel and diode D7, other end ground connection; Resistance R 16 back of connecting with LED 6 is in parallel with relay J 1, diode D6, the negative electrode of the circuit one terminating diode D2 after the parallel connection, the collector electrode of another termination triode Q1, the grounded emitter of triode Q1; The normally opened contact J1-1 of relay J 1 is in parallel with button TA, after connecting with one group of socket (3 '), another normally opened contact J1-2 is connected on the two ends of AC power by the resistance R 3 of sample circuit (4), the normally-closed contact J1-3 of relay J 1 is with after diode D1, resistance R 4 are connected, 5 pin of one termination amplifier U1, the output of another termination key switch TA.Above-mentioned socket (3) comprises socket P1-P5 and hand switch K1; Socket P2-P5 back mutually in parallel with connects power supply after the normally opened contact J2-1 of relay J 2 connects, socket P1 with connect power supply after hand switch K1 connects.Socket (3 ') comprises socket P6, connects power supply by sample circuit (4) after this socket P6 connects with a normally opened contact J1-2 of relay J 1.Above-mentioned sample circuit (4) comprises resistance R 3.It also comprises a working indicating (7), and this circuit comprises resistance R 11 and LED 1-LED4; Connect 7 pin of the circuit one termination amplifier U1 after its series connection, other end ground connection after the LED 1-LED4 parallel connection with resistance R 11.

During work, as the TA that pushes button, AC power after ac rectifier (1) voltage stabilizing at capacitor C 3 two ends acquisition+12V voltages, 8 pin of amplifier U1 are also obtained+voltage of 12V, at this moment since relay J 1 not, so this voltage gives capacitor C 4 chargings through its normally-closed contact J1-3, when its charging voltage is higher than the 0.6V voltage of 6 pin of amplifier U1, the 7 pin output HIGH voltages of amplifier U1, this voltage makes green LED LED1-LED4 bright through resistance R 11, simultaneously again by resistance R 13, diode D4 makes triode Q2 conducting, so relay J 2, its normally opened contact J2-1 closure, socket P2-P5 gets, connected the peripheral hardware power supply of computer, this moment, 7 pin of amplifier U1 also passed through resistance R 12, diode D7 is to capacitor C 5 chargings, when charging voltage is higher than 0.7V, triode Q1 conducting, relay J 1, normally opened contact J1-1, the J1-2 closure, normally-closed contact J1-3 disconnects, but normally opened contact J1-1 closure makes button TA decontrol still operate as normal of back entire circuit, normally opened contact J1-2 closure gets socket P6, so the host computer that is inserted on the socket P6 gets, the disconnection of normally-closed contact J1-3 stops to capacitor C 4 chargings power supply, at this moment, if startup host computer, be to produce a voltage on the resistance R 3, input to 3 pin of amplifier U1, after amplifying, deliver to 5 pin of amplifier U1 through resistance R 6 by its 1 pin, the voltage of 5 pin of delivering to comparison amplifier U1 here after making host computer start is greater than the 0.6V of 6 pin of amplifier U1, so 7 pin of amplifier U1 are output as high voltage, relay J 1, the J2 whole socket electrifying of working; After the host computer shutdown, the voltage that produces when the voltage of generation is than booting computer on the resistance R 3 is little, 5 pin voltage ratios, the 6 pin voltages of amplifier U1 are low, therefore its 7 pin is output as 0, and LED 1-LED4 extinguishes, and triode Q2 ends, relay J 2 dead electricity, normally opened contact J2-1 dead electricity, socket P2-P5 dead electricity, computer peripheral equipment outage; Relay J 1 dead electricity, socket P6 dead electricity, host computer outage.Main frame is switched on for a long time if desired, can be behind the TA that pushes button, Closing Switch K2, red light emitting diodes LED5 is bright, simultaneously also to capacitor C 5 chargings, triode Q1 can both keep conducting, thereby it is electric to guarantee that relay J 1 gets, its normally opened contact J1-1, J1-2 closure, and socket P6 is long-term to be got, so host computer just can be switched on for a long time, can conveniently realize the MODEM arousal function of computer.

Claims

1, a kind of mains switch socket comprises supply socket and key switch TA; It is characterized in that: supply socket comprises two groups of sockets (3), (3 '); The variable power signals sampling circuit (4) of one sampling supply socket (3), (3 '); Control control switch (2), (6) of shutoff or the connection of supply socket (3), (3 ') respectively; One receives signal or the enabling signal of control switch (6) output and the comparison amplifier (5) that amplifies respectively of sample circuit (4) output respectively, signal after it will amplify inputs to control switch (2), (6) respectively, thereby controls opening or closing of socket (3), (3 '); One ac rectifier (1) of connecting with key switch TA, this circuit are that control switch (2), (6) and comparison amplifier (5) provide direct-current working volts, the shutoff or the connection of control switch (6) may command rectification circuit (1).

2, mains switch socket according to claim 1 is characterized in that: ac rectifier (1) comprises voltage stabilizing didoe ZD, diode D2, capacitor C 3 and resistance R 5; Diode D2 connects with key switch TA, and the negative electrode of voltage stabilizing didoe ZD connects the output of key switch TA, the plus earth of voltage stabilizing didoe ZD, and after capacitor C 3 and resistance R 5 are in parallel, the negative electrode of a terminating diode D2, other end ground connection.

3, mains switch socket according to claim 1 is characterized in that: comparison amplifier (5) comprises amplifier U1, resistance R 6-R10, capacitor C 4 and diode D3; Resistance R 6 is connected between 1,5 pin of amplifier U1; Resistance R 7 is connected between 1,2 pin of amplifier U1; 2 pin of resistance R 8 one termination amplifier U1, other end ground connection; The 4 pin ground connection of amplifier U1,8 pin of amplifier U1 connect the negative electrode of diode D2, and resistance R 9 is connected between 6,8 pin of amplifier U1, the anode of diode D3 connects 6 pin of amplifier U1, its minus earth, capacitor C 4 and resistance R 10 5 pin of termination amplifier U1 afterwards in parallel, other end ground connection.

4, mains switch socket according to claim 1 is characterized in that: control switch (2) comprises triode Q2, relay J 2, diode D4, D5, capacitor C 6 and resistance R 13; The base stage of triode Q2 connects 7 pin of amplifier U1 by resistance R 13 and diode D4, the negative electrode of one terminating diode D4 of capacitor C 6, its other end ground connection, the grounded emitter of triode Q2, the collector electrode of relay J 2 and a termination triode Q2 after diode D5 is in parallel, the negative electrode of another terminating diode D2, the normally opened contact J2-1 of relay J 2 and the two ends that connect AC power after one group of socket (3) is connected.

5, mains switch socket according to claim 1 is characterized in that: control switch (6) comprises triode Q1, LED 5, LED6, diode D1, D6, D7, resistance R 4, R12, R14-R17, K switch 2 and capacitor C 5; 7 pin of resistance R 12, R15, diode D7 series connection back one termination amplifier U1, the base stage of another termination triode Q1; The series connection point of K switch 2, resistance R 17 and LED 5 series connection back one terminating resistor R15 and diode D7, the negative electrode of another terminating diode D2; The series connection point of resistance R 14 and capacitor C 5 back one terminating resistor R15 in parallel and diode D7, other end ground connection; Resistance R 16 back of connecting with LED 6 is in parallel with relay J 1, diode D6, the negative electrode of the circuit one terminating diode D2 after the parallel connection, the collector electrode of another termination triode Q1, the grounded emitter of triode Q1; The normally opened contact J1-1 of relay J 1 is in parallel with button TA, after connecting with one group of socket (3 '), another normally opened contact J1-2 is connected on the two ends of AC power by sample circuit (4), the normally-closed contact J1-3 of relay J 1 is with after diode D1, resistance R 4 are connected, 5 pin of one termination amplifier U1, the output of another termination key switch TA.

6, mains switch socket according to claim 1 is characterized in that: socket (3) comprises socket P1-P5 and hand switch K1; Socket P2-P5 back mutually in parallel with connects power supply after the normally opened contact J2-1 of relay J 2 connects, socket P1 with connect power supply after hand switch K1 connects.

7, mains switch socket according to claim 1, it is characterized in that: socket (3 ') comprises socket P6, connects power supply by sample circuit (4) after this socket P6 connects with a normally opened contact J1-2 of relay J 1.

8, mains switch socket according to claim 1 is characterized in that: sample circuit (4) comprises resistance R 3.

9, mains switch socket according to claim 1 is characterized in that: it also comprises a working indicating (7), and this circuit comprises resistance R 11 and LED 1-LED4; Connect 7 pin of the circuit one termination amplifier U1 after its series connection, other end ground connection after the LED 1-LED4 parallel connection with resistance R 11.