CN208873028U - A kind of power control circuit - Google Patents

Abstract

The utility model discloses a kind of power control circuits, including mainboard, main control module, power module, lightning-protection module, infrared control module and switch control module are installed on the mainboard, the main control module, lightning-protection module, infrared control module and switch control module are electrically connected with power module, and lightning-protection module, infrared control module and switch control module are electrically connected with main control module.This power control circuit, it is 4-5 meters indoor within can with acoustic control open power supply, shift second gear or third gear onto, it is noiseless can be automatic powered-down, can control single jack to be powered for electric power supply need to be used, other jacks disconnect, it can avoid the electric appliance consumption electric energy that other do not use, energy conservation when use, safety；Lightning-protection module, which can avoid lightning, to be caused current fluctuation and damages electric appliance；Infrared control module can set any one key on a remote control to control disconnection power supply, play the role of it is anti-error by.

Description

A kind of power control circuit

Technical field

The utility model relates to power circuit technical field, specially a kind of power control circuit.

Background technique

When in use, the switch by the way that power supply is opened manually is electric power supply to existing power circuit, closes opening for power supply Power supply is opened in shutdown, and power circuit is generally used in insert row, and after opening the on & off switch of insert row, all plugs are powered, and is inserted The electric appliance of grafting can consume additional electric energy in the state of not using on head；In thunderstorm weather, can not auto power off, Current fluctuation caused by thunder and lightning makes electric appliance there is the risk burnt out, and traditional element circuit cannot play a very good protection； Based on this, a kind of power control circuit is proposed.

Utility model content

The purpose of this utility model is to provide a kind of power control circuit, have it is sound can turn on automatically power supply, it is noiseless It is automatic powered-down, can prevent current fluctuation caused by thunder and lightning from burning out electric appliance, and can prevent accidentally by the advantages of, solve the prior art The problems in.

To achieve the above object, the utility model provides the following technical solutions: a kind of power control circuit, including mainboard, Main control module, power module, lightning-protection module, infrared control module and switch control module, the master are installed on the mainboard Control module, lightning-protection module, infrared control module and switch control module are electrically connected with power module, lightning-protection module, infrared control Molding block and switch control module are electrically connected with main control module.

Preferably, the main control module includes chip U2, and the foot 5 and foot 6 of chip U2 distinguishes serial capacitance C4 and capacitor C5 Ground connection, the foot 11 series diode LR and resistance R16 of chip U2 connect VCC power end, and the input terminating resistor R15 of resistance R16 connects The foot 6 of chip U2,39 serial capacitance C18 of the foot ground connection of chip U2, the 36 series resistor R17 of foot of chip U2 connect VCC power end, electricity Hold the input terminal of the output end serial capacitance C6 connecting resistance R17 of C18；Also all there are row needle P1 and row needle P2, row on the chip U2 The foot 1 of needle P1 is grounded, and the foot 2 of row needle P1 connects the foot 36 of chip U2, and the foot 3 of row needle P1 connects the foot 35 of chip U2, arranges the foot 4 of needle P1 The foot 24 of chip U2 is connect, the foot 5 of row needle P1 connects+5V power end；The foot 1 of row needle P2 connects the foot 13 of chip U2, and the foot 2 of row needle P2 connects The foot 3 of the foot 14 of chip U2, row needle P2 is grounded, and the foot 4- foot 7 of row needle P2 connects the foot 29- foot 26 of chip U2 respectively.

Preferably, the power module includes chip U1, and the foot 6 of chip U1 connects the foot 9 of chip U2, and the foot 1 of chip U1 connects+ 5V power end, the 2 series resistor R1 of foot of chip U1 connect the foot 1 of chip FLQ, and the 3 series resistor R2 of foot of chip U1 connects chip FLQ's Foot 1, the foot 4 of chip U1 are sequentially connected in series resistance R6, resistance R5, resistance R4 and resistance R3 and connect L1 connecting terminal.

Preferably, the lightning-protection module includes MIC, and the 1 serial capacitance C16 of foot of MIC connects the foot 60 of chip U2, the foot 2 of MIC Serial capacitance C15 connects the foot 62 of chip U2, output terminating resistor R19 and capacitor the C17 ground connection of capacitor C16, the input of resistance R19 The foot 64 of chip termination U2, the output terminating resistor R18 and capacitor C14 of capacitor C15 connect the foot 59 of chip U2, and capacitor C14's is defeated Outlet ground connection.

Preferably, the infrared control module includes chip U3, and the foot 5 series diode D1 and resistance RF of chip U3 connects electricity Hinder R3, the input termination capacitor C21 ground connection of resistance RF, the both ends of capacitor C21 and connecting resistance YM1 and resistance F1, the foot of chip U3 6, foot 7 and 8 serial capacitance CE1 of foot ground connection, the 2 tandem electric inductance LB1 of foot of chip U3 connect+5V power end, and the foot 3 of chip U3 concatenates electricity Hold CE2 and meet inductance LB1, the 4 series resistor R13 of foot of chip U3 meets inductance LB1, and the 1 series diode D2 of foot of chip U3 connects+5V electricity Source, the foot 5 connecting resistance R11 and resistance R12 of chip U3 meet the input terminal of capacitor CE2, the input termination capacitor CE3 of diode D2 Ground connection.

Preferably, the switch control module includes switch SW1, switch SW2 and switch JQD, and the foot 1 of switch SW1 concatenates Resistance R10 connects VCC power end, the foot 28 of the output chip termination U2 of resistance R10, and the foot 2 of switch SW2 connects+5V power end, switchs The foot 3 of SW2 connects the foot 56 of chip U2, and the foot 1 of switch JQD connects L2 connecting terminal and L1 connecting terminal, and the foot 3 of switch JQD meets L3 Connecting terminal, the foot 3 of switch JQD connect+5V power end, and the foot 4 of switch JQD connects the collector of triode Q1, the hair of triode Q1 Emitter grounding, the base stage series resistor R8 and resistance R9 of triode Q1 meet the foot 10 of chip U2, the 1 connecting resistance R9 of foot of switch SW2 Output end.

Compared with prior art, the beneficial effects of the utility model are as follows:

This power control circuit, it is 4-5 meters indoor within can open power supply with acoustic control, shift onto second gear 30 seconds it is noiseless and push away It is noiseless by third gear 90 seconds can be automatic powered-down, avoid power supply from forgetting to close continued power waste electric energy, when the multiple jack grafting of insert row When having electric appliance, can control single jack to be powered for electric power supply need to be used, other be plugged with electric appliance without the use of jack disconnect, It can avoid the electric appliance consumption electric energy that other do not use, energy conservation when use, safety；Lightning-protection module detects that thunder is big in thunderstorm weather After certain decibel, signal is transmitted to chip U2, is disconnected by chip U2 control power module, lightning is avoided to cause current fluctuation And electric appliance is damaged；Infrared control module can set any one key on a remote control to control disconnection power supply, press other keys electricity Source does not turn off, play the role of it is anti-error by；Entirety is sound to be automatically opened, noiseless automatic powered-down, can prevent electric current caused by thunder and lightning Fluctuation burn out electric appliance, and can prevent accidentally by.

Detailed description of the invention

Fig. 1 is the overall structure figure of the utility model；

Fig. 2 is the module frame chart of the utility model；

Fig. 3 is the main control module working circuit diagram of the utility model；

Fig. 4 is the power module working circuit diagram of the utility model；

Fig. 5 is the lightning-protection module working circuit diagram of the utility model；

Fig. 6 is the infrared control module working circuit diagram of the utility model；

Fig. 7 is the switch control module working circuit diagram of the utility model.

In figure: 1, mainboard；2, main control module；3, power module；4, lightning-protection module；5, infrared control module；6, switch control Molding block；

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-7, a kind of power control circuit, including mainboard 1 are please referred to, main control module 2, power supply mould are installed on mainboard 1 Block 3, lightning-protection module 4, infrared control module 5 and switch control module 6, main control module 2, lightning-protection module 4, infrared control module 5 Be electrically connected with power module 3 with switch control module 6, lightning-protection module 4, infrared control module 5 and switch control module 6 with Main control module 2 is electrically connected.

Main control module 2 includes chip U2, foot 5 and foot 6 the difference serial capacitance C4 and capacitor C5 ground connection of chip U2, chip U2 Foot 11 series diode LR and resistance R16 connect VCC power end, the input terminating resistor R15 of resistance R16 connects the foot 6 of chip U2, The 39 serial capacitance C18 of foot of chip U2 is grounded, and the 36 series resistor R17 of foot of chip U2 connects VCC power end, the output of capacitor C18 Hold the input terminal of serial capacitance C6 connecting resistance R17；Also all there are row needle P1 and row needle P2 on chip U2, the foot 1 of row needle P1 is grounded, row The foot 2 of needle P1 connects the foot 36 of chip U2, and the foot 3 of row needle P1 connects the foot 35 of chip U2, and the foot 4 of row needle P1 connects the foot 24 of chip U2, The foot 5 of row needle P1 connects+5V power end；The foot 1 of row needle P2 connects the foot 13 of chip U2, and the foot 2 of row needle P2 meets the foot 14 of chip U2, row The foot 3 of needle P2 is grounded, and the foot 4- foot 7 of row needle P2 connects the foot 29- foot 26 of chip U2 respectively；Power module 3 includes chip U1, chip The foot 6 of U1 connects the foot 9 of chip U2, and the foot 1 of chip U1 connects+5V power end, and the 2 series resistor R1 of foot of chip U1 connects chip FLQ's Foot 1, the 3 series resistor R2 of foot of chip U1 connect the foot 1 of chip FLQ, and the foot 4 of chip U1 is sequentially connected in series resistance R6, resistance R5, resistance R4 and resistance R3 connect L1 connecting terminal；Lightning-protection module 4 includes MIC, and the 1 serial capacitance C16 of foot of MIC connects the foot 60, MIC of chip U2 2 serial capacitance C15 of foot meet the foot 62 of chip U2, output terminating resistor R19 and capacitor the C17 ground connection of capacitor C16, resistance R19 Input chip termination U2 foot 64, the output terminating resistor R18 and capacitor C14 of capacitor C15 connect the foot 59 of chip U2, capacitor The output end of C14 is grounded；Infrared control module 5 includes chip U3, the 5 series diode D1 of foot and resistance RF connecting resistance of chip U3 The input termination capacitor C21 of R3, resistance RF is grounded, the both ends of capacitor C21 and connecting resistance YM1 and resistance F1, the foot 6 of chip U3, Foot 7 and 8 serial capacitance CE1 of foot ground connection, the 2 tandem electric inductance LB1 of foot of chip U3 connect+5V power end, 3 serial capacitance of foot of chip U3 CE2 meets inductance LB1, and the 4 series resistor R13 of foot of chip U3 meets inductance LB1, and the 1 series diode D2 of foot of chip U3 connects+5V power supply End, the foot 5 connecting resistance R11 and resistance R12 of chip U3 connect the input terminal of capacitor CE2, and the input termination capacitor CE3 of diode D2 connects Ground；Switch control module 6 includes switch SW1, switch SW2 and switch JQD, and the 1 series resistor R10 of foot of switch SW1 connects VCC power supply End, the foot 28 of the output chip termination U2 of resistance R10, the foot 2 of switch SW2 connect+5V power end, and the foot 3 of switch SW2 meets chip U2 Foot 56, the foot 1 of switch JQD connects L2 connecting terminal and L1 connecting terminal, and the foot 3 of switch JQD meets L3 connecting terminal, switch JQD Foot 3 connect+5V power end, the foot 4 of switch JQD meets the collector of triode Q1, the emitter ground connection of triode Q1, triode Q1 Base stage series resistor R8 and resistance R9 connect the foot 10 of chip U2, the output end of the 1 connecting resistance R9 of foot of switch SW2.

The power control circuit, switch SW1, switch SW2 and switch JQD are respectively third gear switch, are pushed and are adjusted using left and right Position, switch SW2 be first grade, be placed in the leftmost side, switch SW2 cannot be used for acoustic control, can only be controlled with switch SW2 be powered and It is no, it cut-offs SW1 and switch JQD plays the role of sound control, be respectively placed in second gear and third gear, when being placed in second gear and third It when shelves, connects and can automatically open as long as sound is said to open, induction range can be with acoustic control, when shifting second gear within 4-5 meters When, auto power off is powered-down after acoustic control pass is put 30 seconds, and when shifting third gear onto, acoustic control is powered-down, can break at 90 seconds or so Turn off insert row electricity, when insert row there are the multiple electric appliances of multiple jack differences, can also individually disconnecting single jack position, (ratio is if any one Insert row is there are three jack, and one connects display frequency, and one connects speaker, and one connects host, when being not desired to computer, can be used for closing The corresponding jack of display frequency can close the jack of sound equipment, but the jack of host, there are also electricity, energization can allow host holding to be opened Machine state)；

For the MIC of lightning-protection module 4 in thunderstorm weather, MIC can detecte the thunder of big decibel when thundering, when detecting thunder When sound, voice signal is transmitted to chip U2, control power module 3 is automatically closed after chip U2 processing, thus it can be prevented that lightning Middle high-current leading plays electric current and stirs and burn out electric appliance.

Infrared control module 5 is a control, and one infrared ray control point when the control is plugged on mainboard 1, can be used in It sees on the remote controler of TV or on air-conditioning remote control, can thus use any one on TV remote controller or air-conditioning remote control Key is controlled to correspond to, and does not just have to worry to press other keys on remote controler and disconnect power supply, play the role of preventing accidentally by.

In summary: this power control circuit, it is 4-5 meters indoor within can with acoustic control open power supply, shift second gear onto 30 seconds It is noiseless and shift onto third gear 90 seconds it is noiseless can be automatic powered-down, avoid power supply from forgetting to close continued power waste electric energy, when insert row is more When a jack is plugged with electric appliance, can control single jack to be powered for electric power supply need to be used, other be plugged with electric appliance without the use of Jack disconnect, can avoid the electric appliance consumption electric energy that other do not use, energy conservation when use, safety；Lightning-protection module 4 is in thunderstorm weather After detecting that thunder is greater than certain decibel, signal is transmitted to chip U2, is disconnected by chip U2 control power module 3, avoids dodging Electricity causes current fluctuation and damages electric appliance；Infrared control module 5 can set any one key on a remote control to control and disconnect Power supply is pressed other key power supplys and is not turned off, play the role of it is anti-error by；Entirety is sound to be automatically opened, noiseless automatic powered-down, can be prevented Current fluctuation caused by thunder and lightning burns out electric appliance, and can prevent accidentally by.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of power control circuit, including mainboard (1), it is characterised in that: be equipped on the mainboard (1) main control module (2), Power module (3), lightning-protection module (4), infrared control module (5) and switch control module (6), the main control module (2), lightning protection Module (4), infrared control module (5) and switch control module (6) are electrically connected with power module (3), lightning-protection module (4), red Outer control module (5) and switch control module (6) are electrically connected with main control module (2).

2. a kind of power control circuit according to claim 1, it is characterised in that: the main control module (2) includes chip Foot 5 and foot 6 the difference serial capacitance C4 and capacitor C5 ground connection of U2, chip U2, the 11 series diode LR of foot and resistance of chip U2 R16 connects VCC power end, and the input terminating resistor R15 of resistance R16 meets the foot 6 of chip U2, the 39 serial capacitance C18 of foot of chip U2 Ground connection, the 36 series resistor R17 of foot of chip U2 connect VCC power end, the output end serial capacitance C6 connecting resistance R17's of capacitor C18 Input terminal；Also all there are row needle P1 and row needle P2 on the chip U2, the foot 1 of row needle P1 is grounded, and the foot 2 of row needle P1 connects chip U2's Foot 36, the foot 3 of row needle P1 connect the foot 35 of chip U2, and the foot 4 of row needle P1 connects the foot 24 of chip U2, and the foot 5 of row needle P1 connects+5V power supply End；The foot 1 of row needle P2 connects the foot 13 of chip U2, and the foot 2 of row needle P2 connects the foot 14 of chip U2, and the foot 3 of row needle P2 is grounded, and arranges needle P2 Foot 4- foot 7 connect the foot 29- foot 26 of chip U2 respectively.

3. a kind of power control circuit according to claim 1, it is characterised in that: the power module (3) includes chip The foot 6 of U1, chip U1 connect the foot 9 of chip U2, and the foot 1 of chip U1 connects+5V power end, and the 2 series resistor R1 of foot of chip U1 connects core The foot 1 of piece FLQ, the 3 series resistor R2 of foot of chip U1 connect the foot 1 of chip FLQ, and the foot 4 of chip U1 is sequentially connected in series resistance R6, resistance R5, resistance R4 and resistance R3 connect L1 connecting terminal.

4. a kind of power control circuit according to claim 1, it is characterised in that: the lightning-protection module (4) includes MIC, The 1 serial capacitance C16 of foot of MIC connects the foot 60 of chip U2, and the 2 serial capacitance C15 of foot of MIC connects the foot 62 of chip U2, capacitor C16's Export terminating resistor R19 and capacitor C17 ground connection, the foot 64 of the input chip termination U2 of resistance R19, the output termination of capacitor C15 Resistance R18 and capacitor C14 connects the foot 59 of chip U2, the output end ground connection of capacitor C14.

5. a kind of power control circuit according to claim 1, it is characterised in that: the infrared control module (5) includes The input termination capacitor C21 of foot 5 series diode D1 and resistance RF the connecting resistance R3, resistance RF of chip U3, chip U3 are grounded, electricity Hold the both ends of C21 and connecting resistance YM1 and resistance F1, foot 6, foot 7 and 8 serial capacitance CE1 of the foot ground connection of chip U3, the foot of chip U3 2 tandem electric inductance LB1 connect+5V power end, and the 3 serial capacitance CE2 of foot of chip U3 connects inductance LB1,4 series resistor of foot of chip U3 R13 meets inductance LB1, and the 1 series diode D2 of foot of chip U3 meets+5V power end, the foot 5 connecting resistance R11 and resistance R12 of chip U3 Connect the input terminal of capacitor CE2, the input termination capacitor CE3 ground connection of diode D2.

6. a kind of power control circuit according to claim 1, it is characterised in that: the switch control module (6) includes Switch SW1, switch SW2 and switch JQD, the 1 series resistor R10 of foot of switch SW1 connect VCC power end, the output termination of resistance R10 The foot 28 of chip U2, the foot 2 of switch SW2 connect+5V power end, and the foot 3 of switch SW2 connects the foot 56 of chip U2, the foot 1 of switch JQD L2 connecting terminal and L1 connecting terminal are connect, the foot 3 of switch JQD connects L3 connecting terminal, and the foot 3 of switch JQD connects+5V power end, opens The foot 4 for closing JQD connects the collector of triode Q1, the emitter ground connection of triode Q1, the base stage series resistor R8 of triode Q1 and Resistance R9 connects the foot 10 of chip U2, the output end of the 1 connecting resistance R9 of foot of switch SW2.