CN201893713U - Switch power supply logic control circuit - Google Patents

Switch power supply logic control circuit Download PDF

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Publication number
CN201893713U
CN201893713U CN2010206792942U CN201020679294U CN201893713U CN 201893713 U CN201893713 U CN 201893713U CN 2010206792942 U CN2010206792942 U CN 2010206792942U CN 201020679294 U CN201020679294 U CN 201020679294U CN 201893713 U CN201893713 U CN 201893713U
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pins
control circuit
pin
power supply
connects
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赵星宝
何爱平
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DONGGUAN YINGJU ELECTRONIC Co Ltd
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DONGGUAN YINGJU ELECTRONIC Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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Abstract

The utility model relates to a switch power supply logic control circuit, which comprises a main power supply control circuit and a standby logic control circuit, wherein the input end of the main power supply control circuit is connected with the control output end of the standby logic control circuit, the output end of the main power supply control circuit is connected with the input end of a main power supply inverter circuit, and the output end of the standby logic control circuit is simultaneously connected with the input end of a voltage stabilizing circuit of an auxiliary power supply. The switch power supply logic control circuit can realize the goal of judging whether the conduction of each path of output of an external signal control power supply is effective or not, the on-off control requirements are met, meanwhile, the standby power consumption can be reduced, relevant energy efficiency standards are met, and the switch power supply logic control circuit has a good energy-saving effect.

Description

The Switching Power Supply logic control circuit
Technical field
The utility model relates to electric and electronic technical field, particularly relates to a kind of Switching Power Supply logic control circuit.
Background technology
Energy-conserving and environment-protective are advocated in countries in the world, and various countries have formulated the energy efficiency indexes of power consumption equipment one after another, require stand-by power consumption more and more littler.Be applied to the multichannel output high power switching power supply in fields such as household electrical appliances, communication at present, its stand-by power consumption can not satisfy the standard-required of stand-by power consumption always, this just requires power supply can accept external command, and its partial circuit is not worked, to reach the little purpose of idling consumption.
The utility model content
The purpose of this utility model is to provide a kind of Switching Power Supply logic control circuit, makes the operating state of power unit circuit controlled by external command, realizes switching on and shutting down logic control requirement, thereby satisfies efficiency and standby energy consumption standard.
The purpose of this utility model realizes by following technical measures.
The Switching Power Supply logic control circuit comprises main power source control circuit and standby logic control circuit; The input of described main power source control circuit is connected with the output of described standby logic control circuit, the output of described main power source control circuit is connected with the input of main power source inverter circuit, and the output of described standby logic control circuit is connected with the input of accessory power supply voltage stabilizing circuit simultaneously.
Described main power source control circuit comprises capacitor C 4, C5, C8, C27, C28, resistance R 5, R6, R7, R8, R9, R12, R13, R14, R41, R42, R44, R46, R47, R48, R49, R50, R51, R52, R53, R54, integrated circuit (IC) 1, IC4, IC5, diode D2, light lotus root U3, capacitor C 29, C30, C31, C32, C33, C34, triode Q7, diode D9, DZD2; 4 pins of the BD1 of R5 one termination rectification circuit 202, the end of another termination R6, the end of another termination R7 of R6, the other end ground connection of R7,3 pins of C4 one termination IC1,1 pin of another termination IC1,2 pins of C5 one termination IC1 and the end of R8, the end of another termination C8,6 pins of another termination IC1 of C8 and the end of R14,4 pins of IC1 connect the end of R9, the other end ground connection of R9,8 pins of IC1 connect the negative pole of D2 and the end of R13, the end of another termination R12 of R13, and the positive pole of D2 connects the other end of R12; The D9 positive pole is connected in 6 pin of the secondary coil of T2, the D9 negative pole is connected in the end of C33, the end of C34, the end of DZD2 and 8 pins of IC4, the other end of C33 and C34 is connected in 7 pin of the secondary coil of T2, the end of R41 is connected in 7 pin of the secondary coil of T2, the other end of R41 is connected in the end of R42, the other end of R42 is connected in 3 pins of U3,1 pin of U3 is connected in the other end of R8, the 2 pin ground connection of U3,4 pins of U3 are connected in the collector electrode of Q7, the end of R44, the end of C28 and 1 pin of IC4, the other end of R44 is connected in the end of C27, the other end of C27 is connected in the other end of C28 and 2 pins of IC4,3 pins of IC4 are connected in the end of R45, the negative pole of IC5, the end of R45 and the end of R46,4 pins of IC4 are connected in the emitter of Q7, the end of C30, the end of R47, the end of C32, the negative pole of C29, the end of R53 and the end of R54, the other end of C30 is connected in the base stage of Q7 and the end of R48, the other end of R47 is connected in the other end of R46,6 pin of IC4, the end of C31 and the end of R50, the other end of C32 is connected in 5 pins of IC4, the end of R51, the positive pole of C29 is connected in the other end of C32, the other end of R53 is connected in the other end of R54 and the end of R52, the other end of R52 is connected in the other end of R45 and 1 pin of CN3,7 pins of IC4 are connected in the end of R49, the other end of R50 and the other end of R48, the other end of another termination C31 of R49, the other end of another termination RS of R51; U3 is PC817B, and IC1 is OB2287, and IC4 is LM358, and IC5 is TL431.
Described standby logic control circuit comprises triode Q2, Q3, Q5, Q6, resistance R 18, R18A, R18B, R19, R28, R29, R30, R38, R39, light lotus root U2, capacitor C 6, C7, C18, C19, C20, C21, safe capacitor C Y2, diode D10, relay coil RELAY-DPST, relay double-pole single throw K1; The end of C6 connects 7 pins of IC1 and the positive pole of C7, and the other end of C6 connects the negative pole of C7; The collector electrode of Q2 is connected in the end of C6, the emitter of Q2 is connected in the end of R18A and 1 pin of U2, the base stage of Q2 is connected in the other end of R18A, the end of R18, the other end of R18 is connected in the collector electrode of Q3, the grounded emitter of Q3, the base stage of Q3 is connected in the end of R18B and the end of R19, the other end of R19 connects 2 pins of U2, and the other end of R18B is connected in the other end of C6, and 4 pins of U2 connect the end of R28, the collector electrode of another termination Q5 of R28, CY2 one end ground connection, CY2 other end connection circuit voltage reference point GND, the emitter of Q5 connects the end of C21, the base stage of Q5 connects the end of R29 and the other end of C21, the other end connection circuit voltage reference point GND of R29, RELAY-DPST one end connects the negative pole of D10 and the end of C20, and the relay R ELAY-DPST coil other end connects the negative pole of D10, relay has a pair of normally opened contact 1 and 2, and 3 and 4,1 the contact connect the negative pole of D11,2 contacts connect 1 pin of IC6,3 contacts meet L6, and 4 contacts connect 4 pin of CN5; U2 is PC817B, and Q2 is 2N3906, and Q3 is 2N3904, and Q5 is MMBT3904, and Q6 is C1815.
Switching Power Supply logic control circuit of the present utility model can realize each road of external signal control power supply exports whether conducting is effective, satisfied the control requirement of switching on and shutting down, simultaneously can reduce stand-by power consumption, satisfy correlation energy criterion standard, have extraordinary energy-saving effect.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the circuit diagram of Switching Power Supply that adopts an example of Switching Power Supply logic control circuit of the present utility model.
Fig. 1 comprises:
Filter circuit 201, rectification circuit 202, main power source control circuit 203, main power source inverter circuit 204, main power source secondary commutation circuit 205, standby logic control circuit 206, accessory power supply control circuit 207, accessory power supply inverter circuit 208, accessory power supply secondary commutation circuit 209, accessory power supply voltage stabilizing circuit 210.
Embodiment
The utility model is described in further detail with the following Examples.
Adopt Switching Power Supply logic control circuit of the present utility model an example Switching Power Supply circuit diagram as shown in Figure 1, comprise the input interface CN1 that is used to connect AC power, filter circuit 201, rectification circuit 202, main power source control circuit 203, main power source inverter circuit 204, main power source secondary commutation circuit 205, standby logic control circuit 206, accessory power supply control circuit 207, accessory power supply inverter circuit 208, accessory power supply secondary commutation circuit 209, accessory power supply voltage stabilizing circuit 210, and the first output interface CN3 of output dc voltage, the second output interface CN4 and the 3rd output interface CN5.
Described filter circuit 201 comprises fuse F1, piezo-resistance 14D471 and NTC1, inductance L 1, L2, resistance R 1, R2, capacitor C X1, CX2, F1 one end is connected in 2 pins of input interface, the F1 other end is connected in the end of 14D471, NTC1 one end is connected in 1 pin of input interface, the other end is connected in the other end of 14D471, and L1 is connected in 14D471; R1 and R2 series connection, the end of R1 and R2 is connected in the end of CX1, and the other end of R1 and R2 is connected in the other end of CX2, and L2 is connected in CX1, and CX2 is connected in L2.
Described rectification circuit 202 comprises diode bridge BD1, capacitor C 1, C2, C3, resistance R 3, R4, switch J1; 1 pin of BD1 is connected in the end of R4 and the end of C1, and 2 pins of BD1 and 3 pins are connected to the two ends of the CX2 of filter circuit 201, and 2 pins of BD1 also are connected in the end of J1; 4 pins of BD1 are connected in the other end of C1, the positive pole of C2 and the end of R3, and the negative pole of C2 is connected in the positive pole of C3, the minus earth of C3, the other end of another termination R3 of R4 and the other end of J1.
Described main power source control circuit 203 comprises capacitor C 4, C5, C8, C27, C28, resistance R 5, R6, R7, R8, R9, R12, R13, R14, R41, R42, R44, R46, R47, R48, R49, R50, R51, R52, R53, R54, integrated circuit (IC) 1, IC4, IC5, diode D2, light lotus root U3, capacitor C 29, C30, C31, C32, C33, C34, triode Q7, diode D9, DZD2; 4 pins of the BD1 of R5 one termination rectification circuit 202, the end of another termination R6, the end of another termination R7 of R6, the other end ground connection of R7,3 pins of C4 one termination IC1,1 pin of another termination IC1,2 pins of C5 one termination IC1 and the end of R8, the end of another termination C8,6 pins of another termination IC1 of C8 and the end of R14,4 pins of IC1 connect the end of R9, the other end ground connection of R9,8 pins of IC1 connect the negative pole of D2 and the end of R13, the end of another termination R12 of R13, and the positive pole of D2 connects the other end of R12; The D9 positive pole is connected in 6 pin of the secondary coil of T2, the D9 negative pole is connected in the end of C33, the end of C34, the end of DZD2 and 8 pins of IC4, the other end of C33 and C34 is connected in 7 pin of the secondary coil of T2, the end of R41 is connected in 7 pin of the secondary coil of T2, the other end of R41 is connected in the end of R42, the other end of R42 is connected in 3 pins of U3,1 pin of U3 is connected in the other end of R8, the 2 pin ground connection of U3,4 pins of U3 are connected in the collector electrode of Q7, the end of R44, the end of C28 and 1 pin of IC4, the other end of R44 is connected in the end of C27, the other end of C27 is connected in the other end of C28 and 2 pins of IC4,3 pins of IC4 are connected in the end of R45, the negative pole of IC5, the end of R45 and the end of R46,4 pins of IC4 are connected in the emitter of Q7, the end of C30, the end of R47, the end of C32, the negative pole of C29, the end of R53 and the end of R54, the other end of C30 is connected in the base stage of Q7 and the end of R48, the other end of R47 is connected in the other end of R46,6 pin of IC4, the end of C31 and the end of R50, the other end of C32 is connected in 5 pins of IC4, the end of R51, the positive pole of C29 is connected in the other end of C32, the other end of R53 is connected in the other end of R54 and the end of R52, the other end of R52 is connected in the other end of R45 and 1 pin of CN3,7 pins of IC4 are connected in the end of R49, the other end of R50 and the other end of R48, the other end of another termination C31 of R49, the other end of another termination RS of R51; U3 is PC817B, and IC1 is OB2287, and IC4 is LM358, and IC5 is TL431.
Described main power source inverter circuit 204 comprises resistance R 15, R16, diode D1, transformer T2, capacitor C 9, metal-oxide-semiconductor Q1, one end of the primary coil of 4 pins of the BD1 of R15 one termination rectification circuit 202, the end of C9 and T2, the negative pole of another termination D1 and the other end of C9, the positive pole of D1 connects the other end of the primary coil of the drain electrode of Q1 and T2, the source electrode of Q1 connects the end of R16, the other end ground connection of R16; Q1 is FQP12N60C, and D1 is FR107.
Main power source secondary commutation circuit 205 comprises capacitor C 22, C23, C24, C25, C26, resistance R 40, R43, RS, inductance L 3, L4, diode D81, D82; 8 pin of the secondary coil of C22 one termination T2, the positive pole of D81, the positive pole of D82, the end of another termination R40, the positive pole of the negative pole of another termination D81 of R40, the negative pole of D82, C23, the positive pole of C24 and the end of L3, the negative pole of C23 connects 7 pin, the negative pole of C24, the negative pole of C25 and the end of L4 of the secondary coil of T2; The other end of L3 connects the positive pole of C25 and the end of L4, and the other end of L4 connects an end, the end of R43 and 1 pin of the first output interface CN3 of C26, and the other end of C26 connects the end of RS, and the other end of RS connects the other end of R43 and 2 pins of CN3; D81 and D82 are MBR20200.
Standby logic control circuit 206 comprises triode Q2, Q3, Q5, Q6, resistance R 18, R18A, R18B, R19, R28, R29, R30, R38, R39, light lotus root U2, capacitor C 6, C7, C18, C19, C20, C21, safe capacitor C Y2, diode D10, relay coil RELAY-DPST, relay double-pole single throw K1; The end of C6 connects 7 pins of IC1 and the positive pole of C7, and the other end of C6 connects the negative pole of C7; The collector electrode of Q2 is connected in the end of C6, the emitter of Q2 is connected in the end of R18A and 1 pin of U2, the base stage of Q2 is connected in the other end of R18A, the end of R18, the other end of R18 is connected in the collector electrode of Q3, the grounded emitter of Q3, the base stage of Q3 is connected in the end of R18B and the end of R19, the other end of R19 connects 2 pins of U2, the other end of R18B is connected in the other end of C6,4 pins of U2 connect the end of R28, the collector electrode of another termination Q5 of R28, CY2 one end ground connection, CY2 other end connection circuit voltage reference point GND, the emitter of Q5 connects the end of C21, the base stage of Q5 connects the end of R29 and the other end of C21, the other end connection circuit voltage reference point GND of R29, K1 has a pair of normally opened contact 1 and 2, and 3 and 4,1 contact connects the negative pole of D11, and 2 contacts connect 1 pin of IC6, and 3 contacts meet L6,4 contacts connect 4 pin of CN5, one end of the coil of relay R ELAY-DPST connects the negative pole of D10 and the end of C20, and the other end of RELAY-DPST connects the negative pole of D10, and the other end of C20 connects 4 pin of K1; The base stage of R30 one termination Q5,1 pin of another termination CN5, the end of R38, the base stage of another termination Q6 of R38, the collector electrode of Q6 connects the positive pole of D10, the negative pole of emitter connection circuit voltage reference point GND, the C18 of Q6, the end of C19 and the end of R39, the positive pole of C18 connects the other end of L6, the end of R34,3 pins of K1 and 3 pins of CN5,3 pins of another termination CN5 of C19,5 pins of another termination CN5 of R39; U2 is PC817B, and Q2 is 2N3906, and Q3 is 2N3904, and Q5 is MMBT3904, and Q6 is C1815.
Accessory power supply control circuit 207 comprises integrated circuit (IC) 2, IC3, light lotus root U1, capacitor C 11, C12, C17, resistance R 25, R26, R27, R31, R32, R33, R34, R35, R36, R37; 1 pin of IC2 connects the end of R25,2 pins of IC2 connect the other end of R25,3 pins of IC2 connect the end of C11 and 1 pin of U1, the other end ground connection of C11,4 pins of IC2 connect the end of R26 and R27,2 pins of another termination U1 of R26 and R27,7 pins of IC2 and 8 pin ground connection, C12 one end ground connection, the collector electrode of another termination of C12 Q2,3 pins of U1 connect the end of R32 and R33, and 4 pins of U1 connect the other end of R33, the end of R37 and the negative pole of IC3, the end of another termination L5 of R32, the positive pole of C15, the end of the negative pole of D7 and C35, the end of another termination R31 of C35, the positive pole of IC3 meet an end and the circuit voltage datum mark GND of R36, and the adjustment utmost point of IC3 connects the end of C17 and the end of R35,1 pin of another termination K1 of R35, the other end of another termination R37 of C17, the end of another termination R34 of R36, the end of another termination L6 of R34, the positive pole of C16 connects the other end of L5, and the negative pole of C16 connects the negative pole of C15; IC2 is OB2358, and IC3 is TL431, and U1 is PC817B.
Accessory power supply inverter circuit 208 comprises capacitor C 13, C14, safe capacitor C Y1, diode D5, D6, resistance R 21, R23, R24, transformer T1; 2 pins of R24 one termination IC2, the negative pole of another termination D6, the positive pole of D6 connects an end of second primary coil of T1, the minus earth of C13 and the other end that connects second primary coil of T1, the positive pole of C13 connects the end of R22, the end of another termination R21 of R22, the end of another termination C14 of R21, one end of the end of R23 and first primary coil of T1, the other end of another termination C14 of R23 and the negative pole of D5, the positive pole of D5 connects the other end of first primary coil of 5 pins of IC2 and 6 pins and T1, CY1 one end ground connection, other end connection circuit voltage reference point GND; D5 is FR107, and D6 is 1N4148.
Accessory power supply secondary commutation circuit 209 comprises diode D7, D11, capacitor C 15, C16, C35, C36, inductance L 5, L6, resistance R 31; The D11 positive pole is connected in an end of T1 secondary coil, and the D11 negative pole is connected in the positive pole of C36 and 1 pin of K1; D7 is 20N45/TO-220, and D11 is SB2100.
Accessory power supply voltage stabilizing circuit 210 comprises integrated circuit (IC) 6, inductance L 7 and L8, capacitor C 37, C38, C39, resistance R 58; 1 pin of IC6 connects 2 pins of K1, the negative pole of C36 is connected in the other end of the secondary coil of T1, the negative pole of C37, the end of R58, the negative pole of C38 and the end of L8, the 3 pin connection circuit voltage reference point GND of IC6, the positive pole of C37 connects 2 pins of IC6, the other end of R58 and the positive pole of C37, the positive pole of another termination C38 of L7 and the end of L8, another termination second output interface CN4, C39 and the 3rd output interface CN5 of L8; IC6 is 7812.
Should be noted that at last; above embodiment only is used to the technical solution of the utility model is described but not to the restriction of the utility model protection range; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.

Claims (3)

1. the Switching Power Supply logic control circuit is characterized in that: comprise main power source control circuit and standby logic control circuit; The input of described main power source control circuit is connected with the output of described standby logic control circuit, the output of described main power source control circuit is connected with the input of main power source inverter circuit, and the output of described standby logic control circuit is connected with the input of accessory power supply voltage stabilizing circuit simultaneously.
2. Switching Power Supply logic control circuit according to claim 1, it is characterized in that: described main power source control circuit comprises capacitor C 4, C5, C8, C27, C28, resistance R 5, R6, R7, R8, R9, R12, R13, R14, R41, R42, R44, R46, R47, R48, R49, R50, R51, R52, R53, R54, integrated circuit (IC) 1, IC4, IC5, diode D2, light lotus root U3, capacitor C 29, C30, C31, C32, C33, C34, triode Q7, diode D9, DZD2; 4 pins of the BD1 of R5 one termination rectification circuit 202, the end of another termination R6, the end of another termination R7 of R6, the other end ground connection of R7,3 pins of C4 one termination IC1,1 pin of another termination IC1,2 pins of C5 one termination IC1 and the end of R8, the end of another termination C8,6 pins of another termination IC1 of C8 and the end of R14,4 pins of IC1 connect the end of R9, the other end ground connection of R9,8 pins of IC1 connect the negative pole of D2 and the end of R13, the end of another termination R12 of R13, and the positive pole of D2 connects the other end of R12; The D9 positive pole is connected in 6 pin of the secondary coil of T2, the D9 negative pole is connected in the end of C33, the end of C34, the end of DZD2 and 8 pins of IC4, the other end of C33 and C34 is connected in 7 pin of the secondary coil of T2, the end of R41 is connected in 7 pin of the secondary coil of T2, the other end of R41 is connected in the end of R42, the other end of R42 is connected in 3 pins of U3,1 pin of U3 is connected in the other end of R8, the 2 pin ground connection of U3,4 pins of U3 are connected in the collector electrode of Q7, the end of R44, the end of C28 and 1 pin of IC4, the other end of R44 is connected in the end of C27, the other end of C27 is connected in the other end of C28 and 2 pins of IC4,3 pins of IC4 are connected in the end of R45, the negative pole of IC5, the end of R45 and the end of R46,4 pins of IC4 are connected in the emitter of Q7, the end of C30, the end of R47, the end of C32, the negative pole of C29, the end of R53 and the end of R54, the other end of C30 is connected in the base stage of Q7 and the end of R48, the other end of R47 is connected in the other end of R46,6 pin of IC4, the end of C31 and the end of R50, the other end of C32 is connected in 5 pins of IC4, the end of R51, the positive pole of C29 is connected in the other end of C32, the other end of R53 is connected in the other end of R54 and the end of R52, the other end of R52 is connected in the other end of R45 and 1 pin of CN3,7 pins of IC4 are connected in the end of R49, the other end of R50 and the other end of R48, the other end of another termination C31 of R49, the other end of another termination RS of R51; U3 is PC817B, and IC1 is OB2287, and IC4 is LM358, and IC5 is TL431.
3. Switching Power Supply logic control circuit according to claim 2 is characterized in that: described standby logic control circuit comprises triode Q2, Q3, Q5, Q6, resistance R 18, R18A, R18B, R19, R28, R29, R30, R38, R39, light lotus root U2, capacitor C 6, C7, C18, C19, C20, C21, safe capacitor C Y2, diode D10, relay coil RELAY-DPST, relay double-pole single throw K1; The end of C6 connects 7 pins of IC1 and the positive pole of C7, and the other end of C6 connects the negative pole of C7; The collector electrode of Q2 is connected in the end of C6, the emitter of Q2 is connected in the end of R18A and 1 pin of U2, the base stage of Q2 is connected in the other end of R18A, the end of R18, the other end of R18 is connected in the collector electrode of Q3, the grounded emitter of Q3, the base stage of Q3 is connected in the end of R18B and the end of R19, the other end of R19 connects 2 pins of U2, and the other end of R18B is connected in the other end of C6, and 4 pins of U2 connect the end of R28, the collector electrode of another termination Q5 of R28, CY2 one end ground connection, CY2 other end connection circuit voltage reference point GND, the emitter of Q5 connects the end of C21, the base stage of Q5 connects the end of R29 and the other end of C21, the other end connection circuit voltage reference point GND of R29, RELAY-DPST one end connects the negative pole of D10 and the end of C20, and the relay R ELAY-DPST coil other end connects the negative pole of D10, relay has a pair of normally opened contact 1 and 2, and 3 and 4,1 the contact connect the negative pole of D11,2 contacts connect 1 pin of IC6,3 contacts meet L6, and 4 contacts connect 4 pin of CN5; U2 is PC817B, and Q2 is 2N3906, and Q3 is 2N3904, and Q5 is MMBT3904, and Q6 is C1815.
CN2010206792942U 2010-12-24 2010-12-24 Switch power supply logic control circuit Expired - Fee Related CN201893713U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035406A (en) * 2010-12-24 2011-04-27 东莞市盈聚电子有限公司 Logic control circuit of switch power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035406A (en) * 2010-12-24 2011-04-27 东莞市盈聚电子有限公司 Logic control circuit of switch power supply

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Address after: 523292 Shijie Town, Dongguan City, Guangdong Province, Dongguan, a city of Dongguan

Patentee after: Dongguan Yingju Electronic Co., Ltd.

Address before: Shijie town four leaf leaf house Dongguan City Ying Ju Electronics Co., Ltd.

Patentee before: Dongguan Yingju Electronic Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20110706

Termination date: 20181224