CN201886586U - Electrical fire monitor protector - Google Patents
Electrical fire monitor protector Download PDFInfo
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- CN201886586U CN201886586U CN2010202153051U CN201020215305U CN201886586U CN 201886586 U CN201886586 U CN 201886586U CN 2010202153051 U CN2010202153051 U CN 2010202153051U CN 201020215305 U CN201020215305 U CN 201020215305U CN 201886586 U CN201886586 U CN 201886586U
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Abstract
The utility model relates to a monitor protector capable of preventing electrical fire, comprising a direct current stabilized-voltage power supply, a multi-path sensor, a detection amplification circuit, an output relay and an alarming circuit, wherein an input end of the direct current stabilized-voltage power supply and the input end of the multi-path sensor are connected with a fire line, an output end of the direct current stabilized-voltage power supply and the output end of the multi-path sensor are connected with the input end of the detection amplification circuit, the output end of the detection amplification circuit is connected with the output relay and the alarming circuit. The multi-path sensor comprises a mutual inductor H1, a current sensor H2, a spark sensor H3 and a leak electric-shock sensor H4. The detection amplification circuit is provided with an over-current detection amplification circuit, an over-voltage detection amplification circuit, a leak electric-shock detection amplification circuit, a main circuit over-heat detection amplification circuit, an intelligent power supply main switch detection amplification circuit and a circuit flash-over detection amplification circuit. The main power supply can be intelligently automatically switched off or switched on and the flash-over of the small current can also be well prevented. The safety factor is high and the electric fire is better prevented.
Description
Technical field
The present invention relates to the electrical safety technical field, particularly relate to a kind of monitoring protector of pre-electrical fire prevention.
Background technology
Along with the development of society, electric equipment products has obtained application more and more widely in our life, and following, the probability of the contingent electrical fire of electronic product is also more and more higher.Monitoring protector of electrical fire has the monitoring defencive function of overcurrent, overvoltage, leak shock with it, can reduce the probability of electrical equipment breaking out of fire greatly, therefore, has obtained using widely.
But in the prior art, even the monitoring protector of electrical fire people have turned off all electrical appliances, but circuit, switch, socket still have the 220V high voltage, will cause high electrical breakdown insulation sparking to cause short circuit and the initiation fire accident in case make moist.
In addition; in the prior art; the employed abs of monitoring protector of electrical fire shields to big short circuit current, but it is found that, the arcing of little electric current (sparking) has enough energy to ignite combustible and cause fire failure within a certain period of time equally.
Therefore, provide a kind of monitoring protector of electrical fire very necessary to overcome the prior art deficiency.
Summary of the invention
The objective of the invention is to avoid the deficiencies in the prior art part and a kind of monitoring protector of electrical fire is provided; this monitoring protector of electrical fire not only has the monitoring defencive function of overcurrent, overvoltage, leak shock, also has intelligent power switch and electrical equipment arcing measuring ability.
Purpose of the present invention realizes by following technical measures:
A kind of monitoring protector of pre-electrical fire prevention is provided with D.C. regulated power supply, multiple sensor, detection amplifying circuit, output relay and warning circuit,
The input end of described D.C. regulated power supply, the input end of described multiple sensor are connected with power firestreak L, the output terminal of described D.C. regulated power supply, the output terminal of described multiple sensor are connected with the input end of described detection amplifying circuit, and the output terminal of described detection amplifying circuit is connected with described output relay, described warning circuit.
Further, above-mentioned multiple sensor comprises mutual inductor H1, current sensor H2, spark sensor H3 and leak shock sensor H4, described mutual inductor H1 is provided with primary coil L1 and secondary coil L2, described current sensor H2 is provided with primary coil L3 and secondary coil L4, and described spark sensor H3 is provided with primary coil L5 and secondary coil L6;
The end of described primary coil L1 is connected with power firestreak L, the other end of described primary coil L1 is connected with the end of described primary coil L3, the other end of described primary coil L3 is connected with the end of described primary coil L5, the other end of described primary coil L5 is connected with the input end of described leak shock sensor H4, and zero-power line N is connected with another input end of described leak shock sensor H4;
The output terminal of the output terminal of described secondary coil L2, secondary coil L4, secondary coil L6, described leak shock sensor H4 is connected with the input end of described detection amplifying circuit.
Further, above-mentioned detection amplifying circuit is provided with excess current and detects amplifying circuit, superpotential detection amplifying circuit, leak shock detection amplifying circuit, the overheated detection amplifying circuit of main line, intelligent power master switch detection amplifying circuit and circuit arcing detection amplifying circuit;
The input end that described excess current detects amplifying circuit is connected with the output terminal of described secondary coil L4;
The input end that described superpotential detects amplifying circuit is connected with the output terminal of described D.C. regulated power supply;
The input end that described leak shock detects amplifying circuit is connected with the output terminal of described D.C. regulated power supply;
The input end of the overheated detection amplifying circuit of described main line is connected with the output terminal of described D.C. regulated power supply;
The input end that described intelligent power master switch detects amplifying circuit is connected with the output terminal of described secondary coil L2;
Described circuit arcing detects input end of amplifying circuit and is connected with the output terminal 1 of described secondary coil L6, and described circuit arcing detects another input end grounding of amplifying circuit;
The output terminal that described excess current detects amplifying circuit, described superpotential detection amplifying circuit, described leak shock detection amplifying circuit, the overheated detection amplifying circuit of described main line, described intelligent power master switch detection amplifying circuit and described circuit arcing detection amplifying circuit is connected with described output relay and described warning circuit.
Preferably, above-mentioned intelligent power master switch detection amplifying circuit comprises dynamic detection circuit and Static Detection circuit;
Described dynamic detection circuit is provided with diode D7, diode D8, diode D9, diode D20, diode D21, resistance R 1, resistance R 2, resistance R 3, resistance R 4, capacitor C 3, triode T1, operational amplifier A 1 and high-power output relay J1, J2, and (whether high-power output relay J1, J2 correct?);
The emitter-base bandgap grading of one end of the negative pole of the positive pole of described diode D20, diode D21, resistance R 2, an end of capacitor C 3, triode T1,1 end of J2 are connected with 1 end of described secondary coil L2;
One end of the positive pole of the negative pole of described diode D20, diode D21, resistance R 3, the other end of capacitor C 3 are connected with the inverting input of operational amplifier A 1;
One end of described resistance R 1, the other end of resistance R 2 are connected with the in-phase input end of described operational amplifier A 1;
The output terminal of operational amplifier A 1 is connected with the positive pole of described diode D7;
3 ends of the negative pole of diode D7, J2, an end of resistance R 4 connect, and the other end of resistance R 4 is connected with diode D8 is anodal;
Diode D8 negative pole is connected with the base stage of triode T1, and the end of the collector of triode T1, high-power output relay J1 is connected with the positive pole of diode D9;
The other end of the other end of the negative pole of the other end of high-power output relay J1, diode D9, resistance R 3, resistance R 1 is connected with the cathode output end of described D.C. regulated power supply;
Described Static Detection circuit is provided with capacitor C 4, capacitor C 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, diode D10, diode D11, zener diode Z2, triode T2 and operational amplifier A 2 and forms;
The collector of triode T2 is connected with the positive pole of diode D8;
One end of the positive pole of one end of the emitter-base bandgap grading of triode T2, capacitor C 4, an end of resistance R 8, diode D10, the positive pole of zener diode Z2, capacitor C 5 is connected with 1 end of secondary coil L2;
The base stage of triode T2 is connected with an end of resistance R 7;
One end of the negative pole of the negative pole of the other end of the other end of resistance R 7, capacitor C 4, diode D10, diode D11, resistance R 9 is connected with the inverting input of operational amplifier A 2;
One end of the other end of resistance R 8, resistance R 6 is connected with the in-phase input end of operational amplifier A 2;
The other end of the other end of resistance R 6, resistance R 9 is connected with the negative pole of diode D9.
Preferably, the foregoing circuit arcing detects amplifying circuit and is provided with resistance R 33, resistance R 34, resistance R 36, resistance R 49～R63, diode D27～D30, diode D33, voltage stabilizing diode Z4, capacitor C 14～C20, triode T9, light emitting diode LD6, controllable silicon G3, low power relay J3, IC time base circuit 555, operational amplifier A 8, operational amplifier A 9 and operational amplifier A 10;
One end of capacitor C 20 is connected with 1 end of secondary inductance L6, and 2 ends of secondary inductance L6 are vacant;
The other end of capacitor C 20 is connected with an end of resistance R 33,
The other end of resistance R 33, voltage stabilizing diode Z4 negative pole, resistance R 34 1 ends, resistance R 35 1 ends, be connected with 6 ends with 2 ends of IC time base circuit 555;
4 ends of resistance R 34 other ends, IC time base circuit 555,8 ends of IC time base circuit 555, resistance R 49 1 ends, resistance R 51 1 ends, resistance R 53 1 ends, diode D33 negative pole, low power relay J3 one end, resistance R 63 1 ends, resistance R 57 1 ends are connected with resistance R 59 1 ends;
5 ends of IC time base circuit 555 are connected with capacitor C 19 1 ends;
One end of the emitter-base bandgap grading of 1 end of voltage stabilizing diode Z4 positive pole, resistance R 35 other ends, IC time base circuit 555, capacitor C 19 other ends, resistance R 50 1 ends, resistance R 52 1 ends, diode D29 positive pole, capacitor C 16 1 ends, resistance R 54 1 ends, resistance R 62 1 ends, triode T9, an end of capacitor C 17, resistance R 58, resistance R 61, capacitor C 18, the 2 end ground connection of controllable silicon G3;
3 ends of IC time base circuit 555, the inverting input of operational amplifier A 8 are connected with the positive input of operational amplifier A 9;
The other end of resistance R 49, resistance R 50 other ends are connected with operational amplifier A 9 inverting inputs;
The other end of the other end of resistance R 51, resistance R 52 is connected with operational amplifier A 8 in-phase input ends;
The output terminal of operational amplifier A 8 is connected with an end of capacitor C 14, and the other end of capacitor C 14 is connected with the positive pole of diode D27;
The other end of the other end of the negative pole of the negative pole of diode D27, diode D28, capacitor C 16, resistance R 62 is connected with the inverting input of operational amplifier A 10;
The output terminal of operational amplifier A 9 is connected with an end of capacitor C 15, and the positive pole of the other end of capacitor C 15, resistance D28 is connected with the negative pole of diode D29;
Resistance R 53 other ends, resistance R 54 other ends, resistance R 56 1 ends are connected with the in-phase input end of operational amplifier A 10;
The output terminal of operational amplifier A 10, resistance R 56 other ends are connected with resistance R 55 1 ends, and resistance R 55 other ends are connected with the base stage of triode T9;
The other end of diode D33 positive pole, low power relay J3 is connected with triode T9 collector;
The other end of resistance R 63 other ends, capacitor C 17 is connected with the positive input of operational amplifier A 11;
The other end of the other end of resistance R 57, resistance R 58 is connected with the inverting input of operational amplifier A 11;
The output terminal of operational amplifier A 11 is connected with an end of resistance R 60, and 1 end of resistance R 60 other ends, resistance R 61 other ends, controllable silicon G3 is connected with capacitor C 18 other ends;
3 ends of controllable silicon G3 are connected with the negative pole of light emitting diode LD6, and the positive pole of light emitting diode LD6 is connected with the other end of resistance R 29.
Another is preferred, and the foregoing circuit arcing detects amplifying circuit and is provided with resistance R 81～R89, resistance R 810～R815, capacitor C 81～C84, diode D81～D85, voltage stabilizing diode Z81, controllable silicon G81, triode T81 and operational amplifier A 81～A84;
One end of resistance R 15 is connected with 1 end of secondary inductance L6, and 2 ends of secondary inductance L6 are vacant;
One end of capacitor C 84 is connected with the other end of resistance R 15, and the positive input of the other end of capacitor C 84, operational amplifier A 81 is connected with the inverting input of operational amplifier A 82;
One end of one end of one end of resistance R 81, an end of resistance R 83, resistance R 87, an end of resistance R 810, resistance R 811 is connected with the cathode output end of described D.C. regulated power supply;
One end of one end of one end of one end of one end of resistance R 82, the positive pole of voltage stabilizing diode Z81, resistance R 85, an end of resistance R 86, capacitor C 81, the end of diode D84, resistance R 88, the emitter-base bandgap grading of triode T81, capacitor C 83, an end of resistance R 812, an end of resistance R 813, an end of capacitor C 82 and the 2 end ground connection of controllable silicon G81;
The other end of resistance R 81 is connected with the other end of resistance R 82;
One end of the other end of resistance R 83, resistance R 84 is connected with the inverting input of operational amplifier A 81;
The other end of the other end of resistance R 84, resistance R 85 is connected with the positive input of operational amplifier A 82;
The output terminal of operational amplifier A 81 is connected with the positive pole of diode D81, and the negative pole of diode D81 is connected with the negative pole of operational amplifier A 83 with the negative pole of diode D82, the other end of resistance R 86, the other end of capacitor C 81, the positive pole of diode D83;
The negative pole of diode D83 is connected with the positive pole of diode D84;
The other end of the other end of resistance R 87, resistance R 88 is connected with the positive input of operational amplifier A 83;
The output terminal of operational amplifier A 83 is connected with an end of resistance R 89;
The other end of resistance R 89 is connected with the base stage of triode T81;
The other end of the other end of the collector of triode T81, resistance R 810, capacitor C 83 is connected with the positive input of operational amplifier A 84;
The other end of the other end of resistance R 811, resistance R 812 is connected with the inverting input of operational amplifier A 84;
The output terminal of operational amplifier A 84 is connected with an end of resistance R 814, and the other end of the other end of resistance R 814, resistance R 813, the other end of capacitor C 82 are connected with 1 end of controllable silicon G81;
3 ends of controllable silicon G81 are connected with the negative pole of diode D85, and the other end of diode D85 is connected with warning circuit.
Preferably, above-mentioned excess current detects amplifying circuit and is provided with resistance R 31, resistance R 32, resistance R 36～R48, diode D22～D25, D31, D32, voltage stabilizing diode Z1, Z3, light emitting diode LD5, potentiometer W1, potentiometer W2, toggle switch K, triode T6, T7 and T8, capacitor C 10～C13 and operational amplifier A 6 and A7;
The end of one end of capacitor C 10, the positive pole of voltage stabilizing diode Z1, resistance R 31, R36, R39, R42, R43 is connected with 1 end of secondary inductance L4;
The positive pole of diode D22 is connected with 2 ends of secondary inductance L4;
The negative pole of diode D22 is connected with an end of resistance R 32 with the other end of capacitor C 10, the negative pole of voltage stabilizing diode Z1;
The other end of resistance R 31 is connected with 1 end of potentiometer W1, and the other end of resistance R 32 is connected with 2 ends of potentiometer W1, and 3 ends of potentiometer W1, the positive pole of diode D31 are connected with the in-phase input end of operational amplifier A 6;
The negative pole of diode D31 is connected with diode D32 is anodal, and an end of an end of diode D32 negative pole, resistance R 37, the emitter-base bandgap grading of triode T6, resistance R 48 is connected with an end of capacitor C 13;
The other end of the other end of the other end of resistance R 36, resistance R 37, resistance R 38 is connected with the inverting input of operational amplifier A 6;
One end of the other end of the output terminal of operational amplifier A 6, resistance R 38, resistance R 40 is connected with an end of resistance R 41;
The other end of resistance R 40 is connected with the base stage of triode T6;
The other end of resistance R 39 is connected with the positive pole of light emitting diode LD5;
The positive pole of the negative pole of light emitting diode LD5, diode D23 is connected with the collector of triode T6;
The other end of resistance R 41 is connected with 1 end of potentiometer W2;
2 ends of potentiometer W2,3 ends of potentiometer W2, voltage stabilizing diode Z3 negative pole are connected with the other end of capacitor C 11;
Voltage stabilizing diode Z3 is anodal to be connected with the base stage of triode T7;
The collector of triode T7, resistance R 42 other ends are connected with the inverting input of operational amplifier A 1;
The other end of resistance R 44, resistance R 43 other ends are connected with the positive input of operational amplifier A 1;
The output terminal of operational amplifier A 1 is connected with an end of diode D24 positive pole, resistance R 47;
The other end of diode D24 negative pole, capacitor C 12 is connected with an end of resistance R 45;
The other end of resistance R 45, resistance R 46 other ends are connected with the base stage of triode T8;
Diode D23 negative pole, diode D25 negative pole are connected with 3 ends of toggle switch K;
2 ends of toggle switch K are connected with triode T8 collector;
The other end of resistance R 47 other ends, resistance R 48 other ends, capacitor C 13 is connected with 1 end of controllable silicon G2;
1 end of toggle switch K is connected with 3 ends of controllable silicon G2.
Preferably, above-mentioned superpotential detects amplifying circuit and is provided with resistance R 11～R18, diode D12, light emitting diode LD2, capacitor C 6, C7, triode T3, T4 and operational amplifier A 3;
The emitter-base bandgap grading of triode T3, resistance R 14 1 ends, capacitor C 6 one ends, resistance R 16 1 ends, capacitor C 7 one ends link to each other with the emitter-base bandgap grading of triode T4;
Resistance R 11 is connected with normally closed interlock 2 ends of J2,
The collector of triode T3 is connected with an end of resistance R 12;
The other end of the other end of resistance R 12, capacitor C 6 is connected with the in-phase input end of operational amplifier A 3;
One end of one end of resistance R 13, an end of resistance R 15, resistance R 17 is connected with the positive output end of described D.C. regulated power supply;
The other end of resistance R 13 is connected with the other end of resistance R 14;
The other end of the other end of resistance R 16, resistance R 15 is connected with the inverting input of operational amplifier A 3;
The other end of the output terminal of operational amplifier A 3, capacitor C 7 is connected with an end of resistance R 18;
The other end of resistance R 18 is connected with the base stage of triode T4;
The collector of triode T4, the negative pole of LD2 are connected with the negative pole of diode D12;
Light emitting diode LD2 is anodal to be connected with the other end of resistance R 17;
Diode D12 is connected with alarm unit.
Preferably, above-mentioned leak shock detects amplifying circuit and is provided with resistance R 25～R30, diode D15～D19, light emitting diode LD4, controllable silicon G1, miniature relay J2 and operational amplifier A 5;
One end of the negative pole of one end of resistance R 25, an end of resistance R 27, diode D18, the end of miniature relay J2, resistance R 30 is connected with the cathode output end of described D.C. regulated power supply;
One end of the other end of resistance R 25, resistance R 26 is connected with the inverting input of operational amplifier A 5;
One end of the positive pole of one end of the other end of resistance R 24, capacitor C 8, the negative pole of diode D15, diode D16, capacitor C 9 one ends, resistance R 29,2 ends of controllable silicon G1 are connected with the negative output terminal of described D.C. regulated power supply;
The other end of the positive pole of the other end of capacitor C 8, diode D15, diode D16 negative pole, resistance R 27, the positive input of operational amplifier A 5 are connected with 2 ends of H4;
The output terminal of operational amplifier A 5 is connected with the positive pole of diode D17;
The negative pole of diode D17 is connected with resistance R 28 1 ends;
Resistance R 28 other ends, capacitor C 9 other ends, resistance R 29 other ends are connected with 3 ends of controllable silicon G1;
Diode D19 is anodal to be connected with the miniature relay J2 other end;
Diode D18 negative pole is connected with alarm unit.
Preferably, the overheated detection amplifying circuit of above-mentioned main line is provided with resistance R 19～R24, diode D13, diode D14, light emitting diode LD3, triode T5, thermal sensing element t ° and operational amplifier A 4;
Resistance R 19 1 ends, resistance R 20 1 ends, resistance R 24 1 ends are connected with the positive output end of described D.C. regulated power supply;
Resistance R 19 other ends, a thermal sensing element t ° end are connected with the inverting input of operational amplifier A 4;
The thermal sensing element t ° other end, resistance R 21 1 ends, resistance R 23 1 ends, triode T5 emitter-base bandgap grading are connected with the negative output terminal of described D.C. regulated power supply;
Resistance R 21 other ends, resistance R 20 other ends are connected with the in-phase input end of operational amplifier A 4;
The output terminal of operational amplifier A 4 is connected with diode D14 is anodal;
Diode D14 negative pole is connected with resistance R 22 1 ends;
Light emitting diode LD3 is anodal to be connected with resistance R 24 other ends;
Diode D13 is connected with alarm unit.
The monitoring protector of a kind of pre-electrical fire prevention of the present invention; be provided with D.C. regulated power supply, multiple sensor, detection amplifying circuit, output relay and warning circuit; the input end of described D.C. regulated power supply, the input end of described multiple sensor are connected with power firestreak L; the output terminal of described D.C. regulated power supply, the output terminal of described multiple sensor are connected with the input end of described detection amplifying circuit, and the output terminal of described detection amplifying circuit is connected with described output relay, described warning circuit.Wherein, multiple sensor comprises mutual inductor H1, current sensor H2, spark sensor H3 and leak shock sensor H4.The excess current that is provided with the detection amplifying circuit detects amplifying circuit, superpotential detects amplifying circuit, leak shock detection amplifying circuit, the overheated detection amplifying circuit of main line, intelligent power master switch detection amplifying circuit, circuit arcing detection amplifying circuit.The monitoring protector of a kind of pre-electrical fire prevention of the present invention; detect amplifying circuit owing to be provided with the intelligent power master switch; can when turning off all electrical appliances, turn off general supply automatically when not electricity consumption of people; use the interior circuit of electric field, switch, socket etc. all not to have the 220V high voltage; thereby avoid the generation of fire; and when people need electricity consumption, then can close general supply and power.Detect amplifying circuit owing to be provided with the circuit arcing, therefore, can play the excellent prevention effect the arcing phenomenon of little electric current.So the monitoring protector safety coefficient height of pre-electrical fire prevention of the present invention can better pre-electrical fire prevention.
Description of drawings
The present invention is further illustrated to utilize accompanying drawing, but the content in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the circuit diagram of the monitoring protector of a kind of pre-electrical fire prevention of the present invention;
Fig. 2 is the circuit diagram that the circuit arcing of embodiment 2 of the monitoring protector of a kind of pre-electrical fire prevention of the present invention detects amplifying circuit.
In Fig. 1, Fig. 2:
D.C. regulated power supply 10, warning circuit 90,
Excess current detect amplifying circuit 300, superpotential detect amplifying circuit 400,
Leak shock detect amplifying circuit 500, the overheated detection amplifying circuit 600 of main line,
, the circuit arcing detect amplifying circuit 800,
Embodiment
With the following Examples the present invention is further described.
Embodiment 1
A kind of monitoring protector of pre-electrical fire prevention as shown in Figure 1, is provided with D.C. regulated power supply 10, multiple sensor, detection amplifying circuit, output relay and warning circuit 90.
The input end of D.C. regulated power supply 10, the input end of multiple sensor are connected with power firestreak L, the output terminal of D.C. regulated power supply 10, the output terminal of multiple sensor are connected with the input end that detects amplifying circuit, and the output terminal that detects amplifying circuit is connected with output relay, warning circuit 90.Transformer B is exported by its secondary coil L8 after external power supply is carried out the transformation processing.The secondary coil L8 of 10 couples of transformer B of D.C. regulated power supply carries out rectification and export the working dc power of 12V after capacitor C 1 filtering.
Multiple sensor comprises mutual inductor H1, current sensor H2, spark sensor H3 and leak shock sensor H4, described mutual inductor H1 is provided with primary coil L1 and secondary coil L2, described current sensor H2 is provided with primary coil L3 and secondary coil L4, and described spark sensor H3 is provided with primary coil L5 and secondary coil L6;
The end of described primary coil L1 is connected with power firestreak L, the other end of described primary coil L1 is connected with the end of described primary coil L3, the other end of described primary coil L3 is connected with the end of described primary coil L5, the other end of described primary coil L5 is connected with the input end of described leak shock sensor H4, and zero-power line N is connected with another input end of described leak shock sensor H4;
The output terminal of the output terminal of described secondary coil L2, secondary coil L4, secondary coil L6, described leak shock sensor H4 is connected with the input end of described detection amplifying circuit.
The excess current that is provided with the detection amplifying circuit detects amplifying circuit 300, superpotential detects amplifying circuit 400, leak shock detection amplifying circuit 500, the overheated detection amplifying circuit 600 of main line, intelligent power master switch detection amplifying circuit, circuit arcing detection amplifying circuit 800.
The input end that excess current detects amplifying circuit 300 is connected with the output terminal of described secondary coil L4; The input end that superpotential detects amplifying circuit 400 is connected with the output terminal of described D.C. regulated power supply 10;
The input end that described leak shock detects amplifying circuit 500 is connected with the output terminal of described D.C. regulated power supply 10;
The input end of the overheated detection amplifying circuit 600 of described main line is connected with the output terminal of described D.C. regulated power supply 10;
The input end that described intelligent power master switch detects amplifying circuit is connected with the output terminal of described secondary coil L2;
Described circuit arcing detects 800 1 input ends of amplifying circuit and is connected with the output terminal 1 of described secondary coil L6, and described circuit arcing detects another input end grounding of amplifying circuit 800;
The output terminal that described excess current detects amplifying circuit 300, described superpotential detection amplifying circuit 400, described leak shock detection amplifying circuit 500, the overheated detection amplifying circuit 600 of described main line, described intelligent power master switch detection amplifying circuit and described circuit arcing detection amplifying circuit 800 is connected with described output relay and described alarm.
The intelligent power master switch detects amplifying circuit and comprises dynamic detection circuit 710 and Static Detection circuit 720.
The emitter-base bandgap grading of one end of the negative pole of the positive pole of described diode D20, diode D21, resistance R 2, an end of capacitor C 3, triode T1,1 end of J2 are connected with 1 end of described secondary coil L2;
One end of the positive pole of the negative pole of described diode D20, diode D21, resistance R 3, the other end of capacitor C 3 are connected with the inverting input of operational amplifier A 1;
One end of described resistance R 1, the other end of resistance R 2 are connected with the in-phase input end of described operational amplifier A 1;
The output terminal of operational amplifier A 1 is connected with the positive pole of described diode D7;
3 ends of the negative pole of diode D7, J2, an end of resistance R 4 connect, and the other end of resistance R 4 is connected with diode D8 is anodal;
Diode D8 negative pole is connected with the base stage of triode T1, and the end of the collector of triode T1, high-power output relay J1 is connected with the positive pole of diode D9;
The other end of the other end of the negative pole of the other end of high-power output relay J1, diode D9, resistance R 3, resistance R 1 is connected with the cathode output end of described D.C. regulated power supply 10.
The collector of triode T2 is connected with the positive pole of diode D8;
One end of the positive pole of one end of the emitter-base bandgap grading of triode T2, capacitor C 4, an end of resistance R 8, diode D10, the positive pole of zener diode Z2, capacitor C 5 is connected with 1 end of secondary coil L2;
The base stage of triode T2 is connected with an end of resistance R 7;
One end of the negative pole of the negative pole of the other end of the other end of resistance R 7, capacitor C 4, diode D10, diode D11, resistance R 9 is connected with the inverting input of operational amplifier A 2;
One end of the other end of resistance R 8, resistance R 6 is connected with the in-phase input end of operational amplifier A 2;
The other end of the other end of resistance R 6, resistance R 9 is connected with the negative pole of diode D9.
The detection of dynamic amplifying circuit is made benchmark by the positive input that R1 and R2 dividing potential drop insert operational amplifier A 1, and load current is by L (live wire) flow through successively L1, L2, L3, J1-1 normally closed interlock, load, J1-2 normally open contact, N (zero line).At this moment, inverting input and positive input that coil L2 generation induced voltage is delivered to operational amplifier A 1 compare, and make reverse potential be higher than forward potential, A1 exports electronegative potential, triode T1 ends, and the J1 coil is in outage, and J1-1, J1-2 continue to think electric.When having turned off all electrical appliances when not electricity consumption of people, L1 does not have electric current to pass through, and the L2 secondary coil does not have induced voltage, the forward potential of A1 is higher than reverse potential, at this moment, A1 exports positive potential, makes triode T1 conducting, the adhesive of J1 coil electricity, J1-1, J1-2 disconnect normally closed interlock, cut off load power source, are in off-state, J1-1, J1-2 connect normally open contact, and user's circuit, switch, socket are not with the 220V high voltage.D20, D21 do limited amplitude protection overvoltage effect.
The Static Detection amplifying circuit is made benchmark by the positive input of the dividing potential drop access A2 of R6 and R8, is added to the inverting input of A2 with load (resistance of electrical appliance) dividing potential drop.When the user opens electrical appliance; because of the electrical appliance internal resistance much smaller than R8; make the inverting input current potential of A2 be lower than the positive input current potential of A2; A2 output positive potential makes triode T2 conducting; T1 instead ends partially, and the J1 coil blackout discharges, and J1-1, J1-2 disconnect normally open contact and connect normally closed interlock and power to the load; D10, Z2, C5 eliminate the electric arc that absorbs disconnecting consumers, and the protection operational amplifier is not breakdown.
The circuit arcing detects amplifying circuit 800 and is provided with resistance R 33, resistance R 34, resistance R 36, resistance R 49～R63, diode D27～D30, diode D33, voltage stabilizing diode Z4, capacitor C 14～C20, triode T9, light emitting diode LD6, controllable silicon G3, low power relay J3, IC time base circuit 555, operational amplifier A 8, operational amplifier A 9 and operational amplifier A 10;
One end of capacitor C 20 is connected with 1 end of secondary inductance L6, and 2 ends of secondary inductance L6 are vacant;
The other end of capacitor C 20 is connected with an end of resistance R 33,
The other end of resistance R 33, voltage stabilizing diode Z4 negative pole, resistance R 34 1 ends, resistance R 35 1 ends, be connected with 6 ends with 2 ends of IC time base circuit 555;
4 ends of resistance R 34 other ends, IC time base circuit 555,8 ends of IC time base circuit 555, resistance R 49 1 ends, resistance R 51 1 ends, resistance R 53 1 ends, diode D33 negative pole, low power relay J3 one end, resistance R 63 1 ends, resistance R 57 1 ends are connected with resistance R 59 1 ends;
5 ends of IC time base circuit 555 are connected with capacitor C 19 1 ends;
One end of the emitter-base bandgap grading of 1 end of voltage stabilizing diode Z4 positive pole, resistance R 35 other ends, IC time base circuit 555, capacitor C 19 other ends, resistance R 50 1 ends, resistance R 52 1 ends, diode D29 positive pole, capacitor C 16 1 ends, resistance R 54 1 ends, resistance R 62 1 ends, triode T9, an end of capacitor C 17, resistance R 58, resistance R 61, capacitor C 18, the 2 end ground connection of controllable silicon G3;
3 ends of IC time base circuit 555, the inverting input of operational amplifier A 8 are connected with the positive input of operational amplifier A 9;
The other end of resistance R 49, resistance R 50 other ends are connected with operational amplifier A 9 inverting inputs;
The other end of the other end of resistance R 51, resistance R 52 is connected with operational amplifier A 8 in-phase input ends;
The output terminal of operational amplifier A 8 is connected with an end of capacitor C 14, and the other end of capacitor C 14 is connected with the positive pole of diode D27;
The other end of the other end of the negative pole of the negative pole of diode D27, diode D28, capacitor C 16, resistance R 62 is connected with the inverting input of operational amplifier A 10;
The output terminal of operational amplifier A 9 is connected with an end of capacitor C 15, and the positive pole of the other end of capacitor C 15, resistance D28 is connected with the negative pole of diode D29;
Resistance R 53 other ends, resistance R 54 other ends, resistance R 56 1 ends are connected with the in-phase input end of operational amplifier A 10;
The output terminal of operational amplifier A 10, resistance R 56 other ends are connected with resistance R 55 1 ends, and resistance R 55 other ends are connected with the base stage of triode T9;
The other end of diode D33 positive pole, low power relay J3 is connected with triode T9 collector;
The other end of resistance R 63 other ends, capacitor C 17 is connected with the positive input of operational amplifier A 11;
The other end of the other end of resistance R 57, resistance R 58 is connected with the inverting input of operational amplifier A 11;
The output terminal of operational amplifier A 11 is connected with an end of resistance R 60, and 1 end of resistance R 60 other ends, resistance R 61 other ends, controllable silicon G3 is connected with capacitor C 18 other ends;
3 ends of controllable silicon G3 are connected with the negative pole of light emitting diode LD6, and the positive pole of light emitting diode LD6 is connected with the other end of resistance R 29.
The circuit arcing detects amplifying circuit 800, produces pulse voltage at secondary L6 after the pulse current of arcing (sparking) is flowed through L5, and the end of L6 joins through 2,6 pin of R33 and R35 dividing potential drop and real basic circuit 555, and the other end of secondary coil L6 is vacant.Because sparking is continuous, pulse voltage makes the disconnected upset of IC555, and the pulse voltage of the high and low variation that the output of 3 pin is continuous is delivered to A8, A9 compares and enlarges.A9 output noble potential charges to C16 when 3 pin output noble potential.When 3 pin output electronegative potential, A8 output noble potential charges to C16, the voltage of C16 is added to the inverting input of A10 and the positive input of A10 compares, reverse potential is higher than forward potential, A10 exports electronegative potential, and triode T9 ends, the J3 coil blackout, the normally open contact of J3 disconnects, and R63 is to C17 charging (time constant is 10S).When the current potential of C17 is delivered to the positive input of A11 and the inverting input of A11 compares.When forward is higher than when reverse, A11 output noble potential triggers controllable silicon G3 conducting, J2, the adhesive of J1 coil electricity, and J1-1, J1-2 cut off power supply, connect alarm S warning.
Excess current detects amplifying circuit 300 and is provided with resistance R 31, resistance R 32, resistance R 36～R48, diode D22～D25, D31, D32, voltage stabilizing diode Z1, Z3, light emitting diode LD5, potentiometer W1, potentiometer W2, toggle switch K, triode T6, T7 and T8, capacitor C 10～C13 and operational amplifier A 6 and A7;
The end of one end of capacitor C 10, the positive pole of voltage stabilizing diode Z1, resistance R 31, R36, R39, R42, R43 is connected with 1 end of secondary inductance L4;
The positive pole of diode D22 is connected with 2 ends of secondary inductance L4;
The negative pole of diode D22 is connected with an end of resistance R 32 with the other end of capacitor C 10, the negative pole of voltage stabilizing diode Z1;
The other end of resistance R 31 is connected with 1 end of potentiometer W1, and the other end of resistance R 32 is connected with 2 ends of potentiometer W1, and 3 ends of potentiometer W1, the positive pole of diode D31 are connected with the in-phase input end of operational amplifier A 6;
The negative pole of diode D31 is connected with diode D32 is anodal, and an end of an end of diode D32 negative pole, resistance R 37, the emitter-base bandgap grading of triode T6, resistance R 48 is connected with an end of capacitor C 13;
The other end of the other end of the other end of resistance R 36, resistance R 37, resistance R 38 is connected with the inverting input of operational amplifier A 6;
One end of the other end of the output terminal of operational amplifier A 6, resistance R 38, resistance R 40 is connected with an end of resistance R 41;
The other end of resistance R 40 is connected with the base stage of triode T6;
The other end of resistance R 39 is connected with the positive pole of light emitting diode LD5;
The positive pole of the negative pole of light emitting diode LD5, diode D23 is connected with the collector of triode T6;
The other end of resistance R 41 is connected with 1 end of potentiometer W2;
2 ends of potentiometer W2,3 ends of potentiometer W2, voltage stabilizing diode Z3 negative pole are connected with the other end of capacitor C 11;
Voltage stabilizing diode Z3 is anodal to be connected with the base stage of triode T7;
The collector of triode T7, resistance R 42 other ends are connected with the inverting input of operational amplifier A 1;
The other end of resistance R 44, resistance R 43 other ends are connected with the positive input of operational amplifier A 1;
The output terminal of operational amplifier A 1 is connected with an end of diode D24 positive pole, resistance R 47;
The other end of diode D24 negative pole, capacitor C 12 is connected with an end of resistance R 45;
The other end of resistance R 45, resistance R 46 other ends are connected with the base stage of triode T8;
Diode D23 negative pole, diode D25 negative pole are connected with 3 ends of toggle switch K;
2 ends of toggle switch K are connected with triode T8 collector;
The other end of resistance R 47 other ends, resistance R 48 other ends, capacitor C 13 is connected with 1 end of controllable silicon G2;
1 end of toggle switch K is connected with 3 ends of controllable silicon G2.
Excess current detects amplifying circuit 300 and makes the benchmark comparative voltage by the inverting input that R36, R37 dividing potential drop insert A6, and the electric current that flows through current sensor is big more, and the voltage of L4 induction is just high more.Be linked into the reference voltage comparison of positive input and the inverting input of A6 when the voltage of W1 output, be higher than reverse reference potential as forward potential, then A6 exports positive potential, triode T6 conducting, LD5 is shinny, another road of A6 output is through R42, for adjustable potentiometer to C11 charging (1-6s time-delay), T7 conducting, make the inverting input of A7 be lower than positive input, A7 output positive potential triggers controllable silicon G2 conducting, and the J2 coil is through connector 3, the D25 adhesive of switching on, the J2 normally opened contact is connected, positive supply is through R4, D8 makes triode T1 conducting, the adhesive of high power relay J1 coil electricity, J1-1, the J1-2 normally closed interlock disconnects, the 220V power supply that has cut off load, dial at automated location as K, A7 output positive potential charges to C12 through D24, and another road is through R45, R46 makes the T8 conducting, cuts off load 220 power supplys.C12 makes the T8 conducting by R45, R46, cuts off load power source.To the discharge of triode T8 base stage, T8 continues conducting to C12 by R45, and J2, J1 continue adhesive, and when the C12 discharge finished, T8 ended, J2, J1 coil blackout, and J1-1, J1-2 normally closed contact are connected and are sent.(time-delay automatic power).
Superpotential detects amplifying circuit 400 by resistance R 11～R18, diode D12, light emitting diode LD2, capacitor C 6, C7, triode T3, T4 and operational amplifier A 3;
The emitter-base bandgap grading of triode T3, resistance R 14 1 ends, capacitor C 6 one ends, resistance R 16 1 ends, capacitor C 7 one ends link to each other with the emitter-base bandgap grading of triode T4;
Resistance R 11 is connected with normally closed interlock 2 ends of J2,
The collector of triode T3 is connected with an end of resistance R 12;
The other end of the other end of resistance R 12, capacitor C 6 is connected with the in-phase input end of operational amplifier A 3;
One end of one end of resistance R 13, an end of resistance R 15, resistance R 17 is connected with the positive output end of described D.C. regulated power supply 10;
The other end of resistance R 13 is connected with the other end of resistance R 14;
The other end of the other end of resistance R 16, resistance R 15 is connected with the inverting input of operational amplifier A 3;
The other end of the output terminal of operational amplifier A 3, capacitor C 7 is connected with an end of resistance R 18;
The other end of resistance R 18 is connected with the base stage of triode T4;
The collector of triode T4, the negative pole of LD2 are connected with the negative pole of diode D12;
Light emitting diode LD2 is anodal to be connected with the other end of resistance R 17;
Diode D12 is connected with alarm unit.
Superpotential detects amplifying circuit 400 and makes relatively current potential of benchmark by the inverting input that R1, R16 dividing potential drop insert A3, and the sampling current potential is from the positive output end of D1-D4 bridge rectifier.Insert the positive input of A3 through R13, R14, C6 dividing potential drop, compare with the reverse benchmark of A3.When supply voltage was higher than 260V, the A3 forward potential was higher than reverse reference potential, and A3 output positive potential makes triode T4 conducting, and the J2 coil is by connector 1 energising, and load power source is cut off in J2, J1 adhesive.When supply voltage returns to just often, the positive input of A3 is lower than the inverting input of A3, and A3 exports negative potential, and T4 ends, J2, J1 outage, and power supply powers to the load through J1-1, J1-2 normally closed interlock.The effect of R11, R12, triode T3 is that the J1 adhesive makes miniature transformer L8 voltage reduce the compensation of taking a sample about 0.3V.
Leak shock detects amplifying circuit 500 and is provided with resistance R 25～R30, diode D15～D19, light emitting diode LD4, controllable silicon G1, miniature relay J2 and operational amplifier A 5;
One end of the negative pole of one end of resistance R 25, an end of resistance R 27, diode D18, the end of miniature relay J2, resistance R 30 is connected with the cathode output end of described D.C. regulated power supply 10;
One end of the other end of resistance R 25, resistance R 26 is connected with the inverting input of operational amplifier A 5;
One end of the positive pole of one end of the other end of resistance R 24, capacitor C 8, the negative pole of diode D15, diode D16, capacitor C 9 one ends, resistance R 29,2 ends of controllable silicon G1 are connected with the negative output terminal of described D.C. regulated power supply 10;
The other end of the positive pole of the other end of capacitor C 8, diode D15, diode D16 negative pole, resistance R 27, the positive input of operational amplifier A 5 are connected with 2 ends of H4;
The output terminal of operational amplifier A 5 is connected with the positive pole of diode D17;
The negative pole of diode D17 is connected with resistance R 28 1 ends;
Resistance R 28 other ends, capacitor C 9 other ends, resistance R 29 other ends are connected with 3 ends of controllable silicon G1;
Diode D19 is anodal to be connected with the miniature relay J2 other end;
Diode D18 negative pole is connected with alarm unit.
Leak shock detects amplifying circuit 500 and makes benchmark by the inverting input that R25, R26 dividing potential drop insert A5, when electric leakage appears in electricity leakage sensor H4, the forward that the secondary L7 generation induced voltage of H4 is delivered to A5 compares with reverse benchmark, when induced voltage is higher than reference voltage, A5 output positive potential triggers controllable silicon G1 conducting, J2, J1 adhesive, J1-1, J1-2 cut off load power source.The overheated detection amplifying circuit 600 of main line is provided with resistance R 19～R24, diode D13, diode D14, light emitting diode LD3, triode T5, thermal sensing element t ° and operational amplifier A 4;
Resistance R 19 1 ends, resistance R 20 1 ends, resistance R 24 1 ends are connected with the positive output end of described D.C. regulated power supply 10;
Resistance R 19 other ends, a thermal sensing element t ° end are connected with the inverting input of operational amplifier A 4;
The thermal sensing element t ° other end, resistance R 21 1 ends, resistance R 23 1 ends, triode T5 emitter-base bandgap grading are connected with the negative output terminal of described D.C. regulated power supply 10;
Resistance R 21 other ends, resistance R 20 other ends are connected with the in-phase input end of operational amplifier A 4;
The output terminal of operational amplifier A 4 is connected with diode D14 is anodal;
Diode D14 negative pole is connected with resistance R 22 1 ends;
Light emitting diode LD3 is anodal to be connected with resistance R 24 other ends;
Diode D13 is connected with alarm unit.The overheated detection amplifying circuit 600 of main line is made benchmark by the positive input that R20, R21 dividing potential drop insert A4, and inverting input is connected with R19 (R19 fits together with heat sensitive sensor t.) dividing point.Heat sensitive sensor t. and main line stick together, when the main line temperature rises to 70 degrees centigrade of left and right sides, (sensor is the subzero temperature characteristic), and temperature is high more, and resistance is more little.The reverse potential of A4 is lower than forward potential, and A4 output positive potential makes triode T5 conducting, J2, the J1 adhesive of switching on, and J1-1, J1-2 cut off load power source.When temperature is recovered just often, 2, the J1 outage, J1-1, J1-2 restore electricity.
The monitoring protector of a kind of pre-electrical fire prevention of the present invention; detect amplifying circuit owing to be provided with the intelligent power master switch; can when turning off all electrical appliances, turn off general supply automatically when not electricity consumption of people; use the interior circuit of electric field, switch, socket etc. all not to have the 220V high voltage; thereby avoid the generation of fire; and when people need electricity consumption, then can close general supply and power.Detect amplifying circuit 800 owing to be provided with the circuit arcing, therefore, can play the excellent prevention effect the arcing phenomenon of little electric current.So the monitoring protector safety coefficient height of pre-electrical fire prevention of the present invention can better pre-electrical fire prevention.
A kind of monitoring protector of electrical fire, other content is identical with embodiment 1, and it is different with embodiment 1 that difference is that the circuit arcing detects amplifying circuit 800.Its circuit arcing detects amplifying circuit 800 as shown in Figure 3, and the circuit arcing detects amplifying circuit 800 and is provided with resistance R 81～R89, resistance R 810～R815, capacitor C 81～C84, diode D81～D85, voltage stabilizing diode Z81, controllable silicon G81, triode T81 and operational amplifier A 81～A84;
One end of resistance R 15 is connected with 1 end of secondary inductance L6, and 2 ends of secondary inductance L6 are vacant;
One end of capacitor C 84 is connected with the other end of resistance R 15, and the positive input of the other end of capacitor C 84, operational amplifier A 81 is connected with the inverting input of operational amplifier A 82;
One end of one end of one end of resistance R 81, an end of resistance R 83, resistance R 87, an end of resistance R 810, resistance R 811 is connected with the cathode output end of described D.C. regulated power supply 10;
One end of one end of one end of one end of one end of resistance R 82, the positive pole of voltage stabilizing diode Z81, resistance R 85, an end of resistance R 86, capacitor C 81, the end of diode D84, resistance R 88, the emitter-base bandgap grading of triode T81, capacitor C 83, an end of resistance R 812, an end of resistance R 813, an end of capacitor C 82 and the 2 end ground connection of controllable silicon G81;
The other end of resistance R 81 is connected with the other end of resistance R 82;
One end of the other end of resistance R 83, resistance R 84 is connected with the inverting input of operational amplifier A 81;
The other end of the other end of resistance R 84, resistance R 85 is connected with the positive input of operational amplifier A 82;
The output terminal of operational amplifier A 81 is connected with the positive pole of diode D81, and the negative pole of diode D81 is connected with the negative pole of operational amplifier A 83 with the negative pole of diode D82, the other end of resistance R 86, the other end of capacitor C 81, the positive pole of diode D83;
The negative pole of diode D83 is connected with the positive pole of diode D84;
The other end of the other end of resistance R 87, resistance R 88 is connected with the positive input of operational amplifier A 83;
The output terminal of operational amplifier A 83 is connected with an end of resistance R 89;
The other end of resistance R 89 is connected with the base stage of triode T81;
The other end of the other end of the collector of triode T81, resistance R 810, capacitor C 83 is connected with the positive input of operational amplifier A 84;
The other end of the other end of resistance R 811, resistance R 812 is connected with the inverting input of operational amplifier A 84;
The output terminal of operational amplifier A 84 is connected with an end of resistance R 814, and the other end of the other end of resistance R 814, resistance R 813, the other end of capacitor C 82 are connected with 1 end of controllable silicon G81;
3 ends of controllable silicon G81 are connected with the negative pole of diode D85, and the other end of diode D85 is connected with socket.
The monitoring protector of a kind of pre-electrical fire prevention of the present invention; detect amplifying circuit owing to be provided with the intelligent power master switch; can when turning off all electrical appliances, turn off general supply automatically when not electricity consumption of people; use the interior circuit of electric field, switch, socket etc. all not to have the 220V high voltage; thereby avoid the generation of fire; and when people need electricity consumption, then can close general supply and power.Detect amplifying circuit 800 owing to be provided with the circuit arcing, therefore, can play the excellent prevention effect the arcing phenomenon of little electric current.So the monitoring protector safety coefficient height of pre-electrical fire prevention of the present invention can better pre-electrical fire prevention.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention 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 technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (10)
1. the monitoring protector of a pre-electrical fire prevention is characterized in that: be provided with D.C. regulated power supply, multiple sensor, detection amplifying circuit, output relay and warning circuit,
The input end of described D.C. regulated power supply, the input end of described multiple sensor are connected with power firestreak L, the output terminal of described D.C. regulated power supply, the output terminal of described multiple sensor are connected with the input end of described detection amplifying circuit, and the output terminal of described detection amplifying circuit is connected with described output relay, described warning circuit.
2. the monitoring protector of pre-electrical fire prevention according to claim 1, it is characterized in that: described multiple sensor comprises mutual inductor H1, current sensor H2, spark sensor H3 and leak shock sensor H4, described mutual inductor H1 is provided with primary coil L1 and secondary coil L2, described current sensor H2 is provided with primary coil L3 and secondary coil L4, and described spark sensor H3 is provided with primary coil L5 and secondary coil L6;
The end of described primary coil L1 is connected with power firestreak L, the other end of described primary coil L1 is connected with the end of described primary coil L3, the other end of described primary coil L3 is connected with the end of described primary coil L5, the other end of described primary coil L5 is connected with the input end of described leak shock sensor H4, and zero-power line N is connected with another input end of described leak shock sensor H4;
The output terminal of the output terminal of described secondary coil L2, secondary coil L4, secondary coil L6, described leak shock sensor H4 is connected with the input end of described detection amplifying circuit.
3. the monitoring protector of pre-electrical fire prevention according to claim 2 is characterized in that: described detection amplifying circuit is provided with excess current and detects amplifying circuit, superpotential and detect that amplifying circuit, leak shock detect amplifying circuit, the overheated detection amplifying circuit of main line, the intelligent power master switch detects amplifying circuit and the circuit arcing detects amplifying circuit;
The input end that described excess current detects amplifying circuit is connected with the output terminal of described secondary coil L4;
The input end that described superpotential detects amplifying circuit is connected with the output terminal of described D.C. regulated power supply;
The input end that described leak shock detects amplifying circuit is connected with the output terminal of described D.C. regulated power supply;
The input end of the overheated detection amplifying circuit of described main line is connected with the output terminal of described D.C. regulated power supply;
The input end that described intelligent power master switch detects amplifying circuit is connected with the output terminal of described secondary coil L2;
Described circuit arcing detects input end of amplifying circuit and is connected with the output terminal 1 of described secondary coil L6, and described circuit arcing detects another input end grounding of amplifying circuit;
The output terminal that described excess current detects amplifying circuit, described superpotential detection amplifying circuit, described leak shock detection amplifying circuit, the overheated detection amplifying circuit of described main line, described intelligent power master switch detection amplifying circuit and described circuit arcing detection amplifying circuit is connected with described output relay and described warning circuit.
4. the monitoring protector of pre-electrical fire prevention according to claim 3 is characterized in that: described intelligent power master switch detects amplifying circuit and comprises dynamic detection circuit and Static Detection circuit;
Described dynamic detection circuit is provided with diode D7, diode D8, diode D9, diode D20, diode D21, resistance R 1, resistance R 2, resistance R 3, resistance R 4, capacitor C 3, triode T1, operational amplifier A 1 and high-power output relay J1, J2;
The emitter-base bandgap grading of one end of the negative pole of the positive pole of described diode D20, diode D21, resistance R 2, an end of capacitor C 3, triode T1,1 end of J2 are connected with 1 end of described secondary coil L2;
One end of the positive pole of the negative pole of described diode D20, diode D21, resistance R 3, the other end of capacitor C 3 are connected with the inverting input of operational amplifier A 1;
One end of described resistance R 1, the other end of resistance R 2 are connected with the in-phase input end of described operational amplifier A 1;
The output terminal of operational amplifier A 1 is connected with the positive pole of described diode D7;
3 ends of the negative pole of diode D7, J2, an end of resistance R 4 connect, and the other end of resistance R 4 is connected with diode D8 is anodal;
Diode D8 negative pole is connected with the base stage of triode T1, and the end of the collector of triode T1, high-power output relay J1 is connected with the positive pole of diode D9;
The other end of the other end of the negative pole of the other end of high-power output relay J1, diode D9, resistance R 3, resistance R 1 is connected with the cathode output end of described D.C. regulated power supply;
Described Static Detection circuit is provided with capacitor C 4, capacitor C 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, diode D10, diode D11, zener diode Z2, triode T2 and operational amplifier A 2 and forms;
The collector of triode T2 is connected with the positive pole of diode D8;
One end of the positive pole of one end of the emitter-base bandgap grading of triode T2, capacitor C 4, an end of resistance R 8, diode D10, the positive pole of zener diode Z2, capacitor C 5 is connected with 1 end of secondary coil L2;
The base stage of triode T2 is connected with an end of resistance R 7;
One end of the negative pole of the negative pole of the other end of the other end of resistance R 7, capacitor C 4, diode D10, diode D11, resistance R 9 is connected with the inverting input of operational amplifier A 2;
One end of the other end of resistance R 8, resistance R 6 is connected with the in-phase input end of operational amplifier A 2;
The other end of the other end of resistance R 6, resistance R 9 is connected with the negative pole of diode D9.
5. the monitoring protector of pre-electrical fire prevention according to claim 3 is characterized in that: described circuit arcing detects amplifying circuit and is provided with resistance R 33, resistance R 34, resistance R 36, resistance R 49～R63, diode D27～D30, diode D33, voltage stabilizing diode Z4, capacitor C 14～C20, triode T9, light emitting diode LD6, controllable silicon G3, low power relay J3, IC time base circuit 555, operational amplifier A 8, operational amplifier A 9 and operational amplifier A 10;
One end of capacitor C 20 is connected with 1 end of secondary inductance L6, and 2 ends of secondary inductance L6 are vacant;
The other end of capacitor C 20 is connected with an end of resistance R 33,
The other end of resistance R 33, voltage stabilizing diode Z4 negative pole, resistance R 34 1 ends, resistance R 35 1 ends, be connected with 6 ends with 2 ends of IC time base circuit 555;
4 ends of resistance R 34 other ends, IC time base circuit 555,8 ends of IC time base circuit 555, resistance R 49 1 ends, resistance R 51 1 ends, resistance R 53 1 ends, diode D33 negative pole, low power relay J3 one end, resistance R 63 1 ends, resistance R 57 1 ends are connected with resistance R 59 1 ends;
5 ends of IC time base circuit 555 are connected with capacitor C 19 1 ends;
One end of the emitter-base bandgap grading of 1 end of voltage stabilizing diode Z4 positive pole, resistance R 35 other ends, IC time base circuit 555, capacitor C 19 other ends, resistance R 50 1 ends, resistance R 52 1 ends, diode D29 positive pole, capacitor C 16 1 ends, resistance R 54 1 ends, resistance R 62 1 ends, triode T9, an end of capacitor C 17, resistance R 58, resistance R 61, capacitor C 18, the 2 end ground connection of controllable silicon G3;
3 ends of IC time base circuit 555, the inverting input of operational amplifier A 8 are connected with the positive input of operational amplifier A 9;
The other end of resistance R 49, resistance R 50 other ends are connected with operational amplifier A 9 inverting inputs;
The other end of the other end of resistance R 51, resistance R 52 is connected with operational amplifier A 8 in-phase input ends;
The output terminal of operational amplifier A 8 is connected with an end of capacitor C 14, and the other end of capacitor C 14 is connected with the positive pole of diode D27;
The other end of the other end of the negative pole of the negative pole of diode D27, diode D28, capacitor C 16, resistance R 62 is connected with the inverting input of operational amplifier A 10;
The output terminal of operational amplifier A 9 is connected with an end of capacitor C 15, and the positive pole of the other end of capacitor C 15, resistance D28 is connected with the negative pole of diode D29;
Resistance R 53 other ends, resistance R 54 other ends, resistance R 56 1 ends are connected with the in-phase input end of operational amplifier A 10;
The output terminal of operational amplifier A 10, resistance R 56 other ends are connected with resistance R 55 1 ends, and resistance R 55 other ends are connected with the base stage of triode T9;
The other end of diode D33 positive pole, low power relay J3 is connected with triode T9 collector;
The other end of resistance R 63 other ends, capacitor C 17 is connected with the positive input of operational amplifier A 11;
The other end of the other end of resistance R 57, resistance R 58 is connected with the inverting input of operational amplifier A 11;
The output terminal of operational amplifier A 11 is connected with an end of resistance R 60, and 1 end of resistance R 60 other ends, resistance R 61 other ends, controllable silicon G3 is connected with capacitor C 18 other ends;
3 ends of controllable silicon G3 are connected with the negative pole of light emitting diode LD6, and the positive pole of light emitting diode LD6 is connected with the other end of resistance R 29.
6. the monitoring protector of pre-electrical fire prevention according to claim 3 is characterized in that: described circuit arcing detects amplifying circuit and is provided with resistance R 81～R89, resistance R 810～R815, capacitor C 81～C84, diode D81～D85, voltage stabilizing diode Z81, controllable silicon G81, triode T81 and operational amplifier A 81～A84;
One end of resistance R 15 is connected with 1 end of secondary inductance L6, and 2 ends of secondary inductance L6 are vacant;
One end of capacitor C 84 is connected with the other end of resistance R 15, and the positive input of the other end of capacitor C 84, operational amplifier A 81 is connected with the inverting input of operational amplifier A 82;
One end of one end of one end of resistance R 81, an end of resistance R 83, resistance R 87, an end of resistance R 810, resistance R 811 is connected with the cathode output end of described D.C. regulated power supply;
One end of one end of one end of one end of one end of resistance R 82, the positive pole of voltage stabilizing diode Z81, resistance R 85, an end of resistance R 86, capacitor C 81, the end of diode D84, resistance R 88, the emitter-base bandgap grading of triode T81, capacitor C 83, an end of resistance R 812, an end of resistance R 813, an end of capacitor C 82 and the 2 end ground connection of controllable silicon G81;
The other end of resistance R 81 is connected with the other end of resistance R 82;
One end of the other end of resistance R 83, resistance R 84 is connected with the inverting input of operational amplifier A 81;
The other end of the other end of resistance R 84, resistance R 85 is connected with the positive input of operational amplifier A 82;
The output terminal of operational amplifier A 81 is connected with the positive pole of diode D81, and the negative pole of diode D81 is connected with the negative pole of operational amplifier A 83 with the negative pole of diode D82, the other end of resistance R 86, the other end of capacitor C 81, the positive pole of diode D83;
The negative pole of diode D83 is connected with the positive pole of diode D84;
The other end of the other end of resistance R 87, resistance R 88 is connected with the positive input of operational amplifier A 83;
The output terminal of operational amplifier A 83 is connected with an end of resistance R 89;
The other end of resistance R 89 is connected with the base stage of triode T81;
The other end of the other end of the collector of triode T81, resistance R 810, capacitor C 83 is connected with the positive input of operational amplifier A 84;
The other end of the other end of resistance R 811, resistance R 812 is connected with the inverting input of operational amplifier A 84;
The output terminal of operational amplifier A 84 is connected with an end of resistance R 814, and the other end of the other end of resistance R 814, resistance R 813, the other end of capacitor C 82 are connected with 1 end of controllable silicon G81;
3 ends of controllable silicon G81 are connected with the negative pole of diode D85, and the other end of diode D85 is connected with warning circuit.
7. the monitoring protector of pre-electrical fire prevention according to claim 3 is characterized in that: described excess current detects amplifying circuit and is provided with resistance R 31, resistance R 32, resistance R 36～R48, diode D22～D25, D31, D32, voltage stabilizing diode Z1, Z3, light emitting diode LD5, potentiometer W1, potentiometer W2, toggle switch K, triode T6, T7 and T8, capacitor C 10～C13 and operational amplifier A 6 and A7;
The end of one end of capacitor C 10, the positive pole of voltage stabilizing diode Z1, resistance R 31, R36, R39, R42, R43 is connected with 1 end of secondary inductance L4;
The positive pole of diode D22 is connected with 2 ends of secondary inductance L4;
The negative pole of diode D22 is connected with an end of resistance R 32 with the other end of capacitor C 10, the negative pole of voltage stabilizing diode Z1;
The other end of resistance R 31 is connected with 1 end of potentiometer W1, and the other end of resistance R 32 is connected with 2 ends of potentiometer W1, and 3 ends of potentiometer W1, the positive pole of diode D31 are connected with the in-phase input end of operational amplifier A 6;
The negative pole of diode D31 is connected with diode D32 is anodal, and an end of an end of diode D32 negative pole, resistance R 37, the emitter-base bandgap grading of triode T6, resistance R 48 is connected with an end of capacitor C 13;
The other end of the other end of the other end of resistance R 36, resistance R 37, resistance R 38 is connected with the inverting input of operational amplifier A 6;
One end of the other end of the output terminal of operational amplifier A 6, resistance R 38, resistance R 40 is connected with an end of resistance R 41;
The other end of resistance R 40 is connected with the base stage of triode T6;
The other end of resistance R 39 is connected with the positive pole of light emitting diode LD5;
The positive pole of the negative pole of light emitting diode LD5, diode D23 is connected with the collector of triode T6;
The other end of resistance R 41 is connected with 1 end of potentiometer W2;
2 ends of potentiometer W2,3 ends of potentiometer W2, voltage stabilizing diode Z3 negative pole are connected with the other end of capacitor C 11;
Voltage stabilizing diode Z3 is anodal to be connected with the base stage of triode T7;
The collector of triode T7, resistance R 42 other ends are connected with the inverting input of operational amplifier A 1;
The other end of resistance R 44, resistance R 43 other ends are connected with the positive input of operational amplifier A 1;
The output terminal of operational amplifier A 1 is connected with an end of diode D24 positive pole, resistance R 47;
The other end of diode D24 negative pole, capacitor C 12 is connected with an end of resistance R 45;
The other end of resistance R 45, resistance R 46 other ends are connected with the base stage of triode T8;
Diode D23 negative pole, diode D25 negative pole are connected with 3 ends of toggle switch K;
2 ends of toggle switch K are connected with triode T8 collector;
The other end of resistance R 47 other ends, resistance R 48 other ends, capacitor C 13 is connected with 1 end of controllable silicon G2;
1 end of toggle switch K is connected with 3 ends of controllable silicon G2.
8. the monitoring protector of pre-electrical fire prevention according to claim 4 is characterized in that: described superpotential detects amplifying circuit and is provided with resistance R 11～R18, diode D12, light emitting diode LD2, capacitor C 6, C7, triode T3, T4 and operational amplifier A 3;
The emitter-base bandgap grading of triode T3, resistance R 14 1 ends, capacitor C 6 one ends, resistance R 16 1 ends, capacitor C 7 one ends link to each other with the emitter-base bandgap grading of triode T4;
Resistance R 11 is connected with normally closed interlock 2 ends of J2,
The collector of triode T3 is connected with an end of resistance R 12;
The other end of the other end of resistance R 12, capacitor C 6 is connected with the in-phase input end of operational amplifier A 3;
One end of one end of resistance R 13, an end of resistance R 15, resistance R 17 is connected with the positive output end of described D.C. regulated power supply;
The other end of resistance R 13 is connected with the other end of resistance R 14;
The other end of the other end of resistance R 16, resistance R 15 is connected with the inverting input of operational amplifier A 3;
The other end of the output terminal of operational amplifier A 3, capacitor C 7 is connected with an end of resistance R 18;
The other end of resistance R 18 is connected with the base stage of triode T4;
The collector of triode T4, the negative pole of LD2 are connected with the negative pole of diode D12;
Light emitting diode LD2 is anodal to be connected with the other end of resistance R 17;
Diode D12 is connected with alarm unit.
9. the monitoring protector of pre-electrical fire prevention according to claim 3 is characterized in that: described leak shock detects amplifying circuit and is provided with resistance R 25～R30, diode D15～D19, light emitting diode LD4, controllable silicon G1, miniature relay J2 and operational amplifier A 5;
One end of the negative pole of one end of resistance R 25, an end of resistance R 27, diode D18, the end of miniature relay J2, resistance R 30 is connected with the cathode output end of described D.C. regulated power supply;
One end of the other end of resistance R 25, resistance R 26 is connected with the inverting input of operational amplifier A 5;
One end of the positive pole of one end of the other end of resistance R 24, capacitor C 8, the negative pole of diode D15, diode D16, capacitor C 9 one ends, resistance R 29,2 ends of controllable silicon G1 are connected with the negative output terminal of described D.C. regulated power supply;
The other end of the positive pole of the other end of capacitor C 8, diode D15, diode D16 negative pole, resistance R 27, the positive input of operational amplifier A 5 are connected with 2 ends of H4;
The output terminal of operational amplifier A 5 is connected with the positive pole of diode D17;
The negative pole of diode D17 is connected with resistance R 28 1 ends;
Resistance R 28 other ends, capacitor C 9 other ends, resistance R 29 other ends are connected with 3 ends of controllable silicon G1;
Diode D19 is anodal to be connected with the miniature relay J2 other end;
Diode D18 negative pole is connected with alarm unit.
10. the monitoring protector of pre-electrical fire prevention according to claim 3 is characterized in that: the overheated detection amplifying circuit of described main line is provided with resistance R 19～R24, diode D13, diode D14, light emitting diode LD3, triode T5, thermal sensing element t ° and operational amplifier A 4;
Resistance R 19 1 ends, resistance R 20 1 ends, resistance R 24 1 ends are connected with the positive output end of described D.C. regulated power supply;
Resistance R 19 other ends, a thermal sensing element t ° end are connected with the inverting input of operational amplifier A 4;
The thermal sensing element t ° other end, resistance R 21 1 ends, resistance R 23 1 ends, triode T5 emitter-base bandgap grading are connected with the negative output terminal of described D.C. regulated power supply;
Resistance R 21 other ends, resistance R 20 other ends are connected with the in-phase input end of operational amplifier A 4;
The output terminal of operational amplifier A 4 is connected with diode D14 is anodal;
Diode D14 negative pole is connected with resistance R 22 1 ends;
Resistance R 22 other ends, resistance R 23 other ends are connected with light emitting diode LD3 negative pole;
Light emitting diode LD3 is anodal to be connected with resistance R 24 other ends;
Diode D13 is connected with alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202153051U CN201886586U (en) | 2010-06-04 | 2010-06-04 | Electrical fire monitor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202153051U CN201886586U (en) | 2010-06-04 | 2010-06-04 | Electrical fire monitor protector |
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| CN201886586U true CN201886586U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202153051U Expired - Lifetime CN201886586U (en) | 2010-06-04 | 2010-06-04 | Electrical fire monitor protector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887621A (en) * | 2010-06-04 | 2010-11-17 | 魏锡秦 | Monitoring protector of electrical fire |
| CN109524940A (en) * | 2017-09-18 | 2019-03-26 | 上海神沃电子有限公司 | The super temperature data line of electronic overcurrent protects device |
-
2010
- 2010-06-04 CN CN2010202153051U patent/CN201886586U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887621A (en) * | 2010-06-04 | 2010-11-17 | 魏锡秦 | Monitoring protector of electrical fire |
| CN109524940A (en) * | 2017-09-18 | 2019-03-26 | 上海神沃电子有限公司 | The super temperature data line of electronic overcurrent protects device |
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Owner name: BAIYUN ELECTRIC GROUP CO., LTD. Free format text: FORMER OWNER: WEI XIQIN Effective date: 20110927 |
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Free format text: CORRECT: ADDRESS; FROM: 514021 MEIZHOU, GUANGDONG PROVINCE TO: 510460 GUANGZHOU, GUANGDONG PROVINCE |
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Effective date of registration: 20110927 Address after: 510460, 1, pawnshop street, Shilong Town, Baiyun Town, Baiyun District, Guangdong, Guangzhou Patentee after: Baiyun Power Group Co., Ltd. Address before: 514021 Guangdong Province, Meizhou City Jiangnan Xinyuan Road No. 57 Patentee before: Wei Xiqin |
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