CN101527413B

CN101527413B - Multifunctional power supply jack panel

Info

Publication number: CN101527413B
Application number: CN2009100590050A
Authority: CN
Inventors: 陈清尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-21
Filing date: 2009-04-21
Publication date: 2010-12-29
Anticipated expiration: 2029-04-21
Also published as: CN101527413A

Abstract

The invention discloses a multifunctional power supply jack panel. The jack panel is characterized by comprising a three-pin plug, a self-locking control circuit, a power supply filter circuit, a socket and a leakage warning circuit, wherein one pin of the three-pin plug is connected with a live wire of a mains socket, another pin is connected with a zero wire, and the third pin is connected witha ground wire; the self-locking control circuit comprises a piezoresistor, a microswitch, a relay, a diode and a capacitor; the power supply filter circuit comprises a common mode choke T and a capacitor; the power supply socket consists of three-pin sockets and two-pin sockets (J1-J4), a resistor and an indicating lamp; and the leakage warning circuit comprises a siren simulation integrated circuit A, a resistor, a diode, a filter capacitor and a piezoelectric ceramic plate B. The multifunctional power supply jack panel has the functions of self-locking, network appliance mutual interferenceprevention and appliance leakage warning, can be widely applied to home audio appliance, refrigerator, television and other electric appliances, and particularly has more safety significance when thejack panel is used in a socket which is not grounded in modern homes and offices.

Description

Multifunctional power supply jack panel

Technical field

The present invention relates to electric socket, be specifically related to multifunctional power supply jack panel.

Background technology

At present, the electric socket structure is all simpler and cruder on the market, mainly is made of insurance, switch and socket in parallel, has following deficiency in the use: 1, electrical network and power consumption equipment are interfered with each other and can not filter; 2, electrical leakage can not be pointed out the user on the plate; 3, power supply suddenly is bigger to the infringement of refrigerating electric appliances motor again behind the grid power blackout; Now common plate on the market can be born power supply to less demanding household electrical appliance and connects task, and simple not enough, the drawback of function is given prominence to but the plate that to the demanding household electrical appliance of serviceability such as fan's class sound equipment, TV, easily the existing markets of use such as electric leakage washing machine, electroheat equipment, refrigeration plant takes place seems.

Summary of the invention

The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of multifunctional power supply jack panel is provided, this multifunctional power supply jack panel has self-locking, anti-electrical network electrical equipment interferes with each other and the electrical leakage warning function, can be widely used on the electrical equipment such as home audio, TV, washing machine, refrigerator, electric heating, especially now family, the safety meaning was bigger when the unearthed socket of office used this plate.

The technical problem that the present invention proposes is to solve like this: construct a kind of multifunctional power supply jack panel, it is characterized in that: comprise three-prong plug, from lock control circuit, electric source filter circuit, socket and leakage-current alarm circuit; 1 pin of described three-prong plug P connects live wire, 2 pin connecting to neutral lines, the 3 pin earth connections of commercial power socket; Describedly comprise varistor, sensitive switch, relay, diode and capacitor from lock control circuit; Described electric source filter circuit comprises common mode choke T and capacitor; Described supply socket is made up of three cores, two core sockets (J1-J4), resistance and indicator light; Described leakage-current alarm circuit comprises that simulation police whistle sound integrated circuit A, resistor, diode, filter capacitor and piezoelectric ceramic piece B form.

According to multifunctional power supply jack panel provided by the invention, it is characterized in that: string one insurance U between plug live wire and the sensitive switch AN, the normally opened contact of sensitive switch and relay J (J1-1) parallel connection.

According to multifunctional power supply jack panel provided by the invention, it is characterized in that: varistor RY adopts zinc oxide material, is connected in parallel between the live wire and zero line of electric socket arrival end.

According to multifunctional power supply jack panel provided by the invention, it is characterized in that: it is the high frequency toroidal magnet ring of 20mm that common mode choke T magnetic core adopts diameter phi, and at last two-wire and around diameter phi 0.26mm20 circle enamelled wire, two lines are gone here and there respectively between live wire and zero line, capacitor (C4) and (C5) being connected in parallel on respectively between the front and back live wire and zero line of common mode choke, (C6) and (C7) be connected in parallel between live wire and the zero line after the series connection, its mid point is connected with the earth terminal of three core sockets (J1-J2), plug P.

According to multifunctional power supply jack panel provided by the invention, it is characterized in that: three cores, two core sockets (J1-J4) are connected between live wire and the zero line after being connected in parallel, and are connected in parallel on live wire and the zero line after indicator light LED and current-limiting resistance (R1) series connection.

According to multifunctional power supply jack panel provided by the invention, it is characterized in that: simulation police whistle sound integrated circuit A adopts KD-9561, feeder ear Vcc is by rectifier diode (D4) and resistance (R2) series connection is back and voltage stabilizing didoe (D5), electric capacity (C8) compose in parallel the voltage stabilizing circuit supply, resistance (R2) is connected with ground wire on the plate, Vss termination zero line, piezoelectric ceramic piece B are connected across Vcc and the OUT end of integrated circuit A.

Multifunctional power supply jack panel provided by the invention at first comes from people makes electrical appliance that electric shock accidents take place often, especially at present big multi-input socket does not connect the safeguard protection ground wire, can not make alarm again when electric leakage takes place power consumption equipment, next is use and the power consumption equipment generation noise jamming electrical network that various clutters influences household electrical appliance to occur according to electrical network is normal, as near the audio visual effect of serious interfering TV, sound equipment when work such as electric welding machine, motor, cutting machine is arranged; Three, be when sending a telegram here suddenly again according to grid power blackout, the refrigerating fluid of refrigerating electric appliances can not playback bigger to the motor infringement fast; Four, at present at the plate of also not finding comprehensively to solve this type of problem on the market.This multifunctional power supply jack panel has self-locking, anti-Disturbance in Power Net and electrical leakage warning function, has the versatility of use, and durable in use, simple in structure, low cost of manufacture, is fit to factory's large-scale production.

Description of drawings

Accompanying drawing 1 is a circuit structure diagram of the present invention.

Embodiment

The present invention is further illustrated below in conjunction with accompanying drawing.

As shown in Figure 1, the plate three-pin plug is pressed sensitive switch AN after inserting civil power, the relay J energising, the J1-1 contacting, circuit self-locking energising, U is connected on the live wire of sensitive switch AN and plug for the BX15A protective tube, and be fixed on the plate by safety box, RY is a zinc oxide varistor, be fixed on the input of electric socket, and be connected between the live wire and zero line of protective tube back, zinc oxide varistor is a kind of nonlinear characteristic device, and when voltage during up to 250V-320V, its resistance reduces, can higher absorption and inhibition ability be arranged to overvoltage or spike, and it is durable, surge power is strong, is to play the overvoltage protection effect, can suppress the interference anti-pass that electric equipment produces on the plate again and be passed on the electrical network; C1, C2 are composed in series the ac buck circuit, and for the relay J auto-lock function provides 12V direct voltage, D3 and relay coil are connected in parallel behind D1, D2 rectification, C3 filtering voltage regulation, prevent instantaneous pressure breakdown diode D1, D2.Anti-interference filtration circuit C4, T, C5, C6 and C7 form ∏ type filter network, input is connected on live wire and the zero line, output respectively with plate on socket (L1-L4) live wire in parallel be connected with zero line side, T is a common mode choke, it is the high frequency toroidal magnet ring of 20mm that magnetic core adopts diameter phi, and at last two-wire and around diameter phi 0.26mm20 circle enamelled wire; Three cores, two core sockets (L1-L4) are connected in parallel on the ∏ type filter network live wire and zero line afterwards on the plate, the noise jamming that produces each other on electrical network and the electric equipment all can filtered network filtering, R1 and LED are connected in series on live wire and the zero line, whether have the indicating circuit of electricity, indicator light LED is luminous to be shown on the socket of plate has if constituting plate.Power consumption equipment is inserted on the three core sockets of this multi-functional plate also has the leakage-current alarm prompt facility; the leakage-current alarm circuit is a core devices with simulation police whistle sound integrated circuit A; adopt the KD-9561 model; resistor R 3 is connected integrated circuit OSC1 and OSC2 end; it is the outer meeting resistance of integrated circuit A; pressure limiting resistance R 2 and rectifier diode D4 series connection; constitute the electric leakage pressure; rectification warning power supply circuits; resistor R 2 other ends are connected with socket ground wire on the plate; an end is connected the plate zero line after voltage stabilizing didoe D5 and the filter capacitor C8 parallel connection; the other end connects rectifier diode D4 negative pole end; if power consumption equipment takes place when leaking electricity more than the 0.1mA; when the earth connection on the plug P does not connect protection ground again; rectifier diode D4 negative pole end then produces stable 5V direct voltage; supply with the leakage-current alarm circuit; microphone device piezoelectric ceramic piece B is connected power supply Vcc and the OUT output then sends the siren chimes of doom, has shown power consumption equipment generation leaky, and the call user's attention Electrical Safety maybe should have been overhauled power consumption equipment.

It is the polarity free capacitor of 1uF that main element parameter: C1, C2 select withstand voltage 630V capacity for use, and C3 selects the aluminium electrolytic capacitor of 220u/25V for use, and C4-C7 selects the non-polar condenser of 47n/1000V for use, and C8 selects the 22uF/16V aluminium electrolytic capacitor for use; R1-R3 selects the RTX type carbon film resistor of 1/4W for use; D1-D4 selects the IN4007 diode for use; B selects FT-27 type piezoelectric ceramic piece for use.

The present invention also can make various flexible mode, more than by embodiment by accompanying drawing 1 illustrated embodiment, be that foregoing of the present invention is done step detailed description, but this should be interpreted as that the scope of the theme that the present invention is above-mentioned only limits to described example.Do not breaking away under the above-mentioned technological thought situation of the present invention, various replacements and change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.

Claims

1. multifunctional power supply jack panel is characterized in that: comprise three-prong plug (P), socket (J1-J4) and leakage-current alarm circuit on lock control circuit, electric source filter circuit, plate; The pin 1 of described three-prong plug (P) connects the live wire of city's electrical network socket, and pin 2 connects the zero line of city's electrical network socket, and pin 3 connects the ground wire of city's electrical network socket; The live wire end of three-prong plug (P) is through the end of insurance (U) connection from the sensitive switch (AN) of lock control circuit, and the other end of sensitive switch (AN) connects capacitor C1 and capacitor C4;

Described from lock control circuit by varistor (RY), sensitive switch (AN), relay, diode D1, diode D2, diode D3 and capacitor C1, capacitor C2, electrolytic capacitor C3 forms, its repeat circuit is made up of coil and normally opened contact (J1-1), sensitive switch (AN) and normally opened contact (J1-1) are connected in parallel, varistor (RY) end is connected on the zero line side of three-prong plug (P), the other end is connected with sensitive switch (AN) link with insurance (U), capacitor C1, capacitor C2 and diode D1 are connected in series, capacitor C1 one end and sensitive switch (AN), capacitor C4 joining connects, the other end connects the end of capacitor C2, the other end of capacitor C2 connects the negative pole of diode D1, the positive pole of diode D1 is connected on the described zero line side, electrolytic capacitor C3 and relay coil and diode D3 are connected in parallel, wherein the positive pole of electrolytic capacitor C3 is connected the negative pole of diode D2 with the continuous back of the negative pole of diode D3, the negative pole of electrolytic capacitor C3 be connected on the described zero line side after the positive pole of diode D3 links to each other, the positive pole of diode D2 is connected with the negative pole of diode D1;

Described electric source filter circuit is by common mode choke (T) and capacitor C4, capacitor C5, capacitor C6, capacitor C7 forms, capacitor C4 is in parallel with common mode choke (T) input and is connected, capacitor C5 is in parallel with common mode choke (T) output and is connected, capacitor C6 and capacitor C7 series connection back are in parallel with capacitor C5, wherein, it is the high frequency toroidal magnet ring of 20mm that common mode choke (T) magnetic core adopts diameter phi, and at last two-wire and around diameter phi 0.26mm20 circle enamelled wire, two-wire and around the first line end head and sensitive switch (AN), capacitor C1, capacitor C4 joining is connected, end tail and capacitor C5, capacitor C6 joining is connected; Two-wire and around the second line end head be connected with described zero line side, the end tail be connected with capacitor C5, capacitor C7 joining, capacitor C6 is connected with the ground terminal of capacitor C7 link with three-prong plug (P);

Socket on the described plate (J1-J4) is by three core socket J1, three core socket J2, two core socket J3 and two core socket J4, resistor R 1 and indicator light LED form, three core socket J1 wherein, three core socket J2, the live wire end of two core socket J3 and two core socket J4 links together and is connected with the first line end tail of common mode choke (T), three core socket J1, three core socket J2, the zero line side of two core socket J3 and two core socket J4 links together and is connected with the second line end tail of common mode choke (T), described socket formation is connected in parallel, three core socket J1, the earth terminal of three core socket J2 is connected with the ground terminal of three-prong plug (P), resistor R 1 and indicator light LED are connected in series in common mode choke (T) output two ends and constitute indicating circuit, and wherein the positive pole of indicator light LED links to each other with resistor R 1;

Described leakage-current alarm circuit is by simulation police whistle sound integrated circuit (A), resistor R 2, resistor R 3, diode D4, voltage stabilizing didoe D5, filtering capacitor C8 and piezoelectric ceramic piece (B) are formed, described simulation police whistle sound integrated circuit adopts KD-9561, the Vss end of simulation police whistle sound integrated circuit, the positive pole of voltage stabilizing didoe D5 is connected the negative pole of indicator light LED with the negative pole of filtering capacitor C8, voltage stabilizing didoe D5 and filtering capacitor C8 are connected in parallel, the Vcc end of simulation police whistle sound integrated circuit (A), the negative pole of SEL1 end and diode D4, voltage stabilizing didoe D5 negative pole, the positive pole of filtering capacitor C8 is connected, resistor R 2 one ends connect the ground terminal of three-prong plug (P), the other end connects the positive pole of diode D4, piezoelectric ceramic piece (B) is connected on the output OUT end and power supply end Vcc of simulation police whistle sound integrated circuit (A), and resistor R 3 two ends are connected to the OSC1 and the OSC2 end of simulation police whistle sound integrated circuit.

2. multifunctional power supply jack panel according to claim 1 is characterized in that: varistor (RY) adopts zinc oxide material.