CN103280718A

CN103280718A - Electric power overhaul safety protector and electric power overhaul safety protection method

Info

Publication number: CN103280718A
Application number: CN2013102419848A
Authority: CN
Inventors: 施乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-18
Filing date: 2013-06-18
Publication date: 2013-09-04
Anticipated expiration: 2033-06-18
Also published as: CN103280718B

Abstract

The invention relates to the electric power and electrical technology field, in particular to an electric power overhaul safety protector and an electric power overhaul safety protection method. The electric power overhaul safety protector comprises a power module, a recognition module, a status switching module, a recording control module, a touch circuit module, a human body sensing module, a voice record-replay module, a driving execution module and a status indication module, wherein the recognition module, the status switching module, the recording control module, the touch circuit module, the human body sensing module, the voice record-replay module, the driving execution module and the status indication module are connected with the output ends of the power module. The status switching module is connected with the human body sensing module, the touch circuit module, the driving execution module and the status indication module respectively. The human body sensing module is also connected with the driving execution module. The touch circuit module is also connected with the voice record-replay module. One end of the voice record-replay module is connected with the recording control module, and the other end of the voice record-replay module is connected with the driving execution module. The electric power overhaul safety protector is reasonable in structural design, and can not only give an effective warning to overhaul personnel for personal safety in an overhaul process, but also provide multi-protection for the personnel in the overhaul process.

Description

The method of a kind of electric power overhaul protector and electric power overhaul safeguard protection

Technical field

The present invention relates to the electric power electric technical field, relate in particular to the method for a kind of electric power overhaul protector and electric power overhaul safeguard protection.

Background technology

Earth leakage protective device adopts zero-sequence voltage protection, three-phase and be zero when three-phase balancing load, protector is failure to actuate, if electric leakage three-phase and non-vanishing takes place, the protector action power dump, protection to as if running status under all personnel and the safety of equipment.The work of earth leakage protective device is fully with under the electricity condition.Yet; existing once electricity is hindered accident and is taken place frequently; general earth leakage protective device can't guarantee inspection operation personnel personal safety and the device security when carrying out the electric mechanical equipment maintenance when having a power failure; bring very big hidden danger so not only for people's life security; also make enterprise and country pay high industrial injury cost, in a disguised form improved the manufacturing cost of whole enterprise.

Summary of the invention

The object of the present invention is to provide a kind of electric power overhaul protector, to address the above problem.

The present invention also aims to provide a kind of method of electric power overhaul safeguard protection, to address the above problem.

A kind of electric power overhaul protector comprises the power module that is connected with the input power supply and the identification module that is connected with the output of described power module, state handover module, recording control module, touches circuit module, human body induction module, voice recording-reproducing assembly, audio frequency power amplifier module, driving Executive Module and state indicating module; Described identification module carries out in good time structural limitations to described state handover module; Described state handover module is connected with the state indicating module with described human body induction module, touch circuit module, driving Executive Module respectively; Described human body induction module also is connected with described driving Executive Module; Described touch circuit module also is connected with described voice recording-reproducing assembly; One end of described voice recording-reproducing assembly connects described recording control module, and the other end is connected with described audio frequency power amplifier module.

A kind of electric power overhaul method for security protection comprises:

Power module is connected power supply and plug-in card is inserted in the identification module, make the plug-in card handover module that correctly gets the hang of;

The situation that gets the hang of in the handover module by plug-in card triggers the recording control module in good time, touches corresponding module in circuit module, human body induction module, voice recording-reproducing assembly, audio frequency power amplifier module, driving Executive Module and the state indicating module;

According to the corresponding state of each module the entire circuit state is accurately judged.

Compared with prior art, the advantage of the embodiment of the invention is: electric power overhaul protector of the present invention is compared with the suspension warning sign, electrician's job that requires special skills needs two people's operations, one people guards one man operation, there is monitoring improper unavoidably, and the present invention has the protection effect identical with the guardian under the maintenance pattern, the various errors in the time of can also avoiding artificially guarding; Not only to key element that misoperation can take place (as: if air switch keeps trip status to trip gear, make its operation lock that also can't close) or system's cabinet door (its pinning can not being opened with electromagnetic mechanism) carry out the safe condition locking, and compare with earth leakage protective device, the present invention personnel to external world blindly operates the sound and light alarm suggesting effect that can carry out in advance, rather than touches by the people and to produce the mode that electric leakage is moved after power supply forms the loop as human body resistance and ground; The people when operation of the present invention simultaneously contact with power supply. and its operator when protecting is in off-position.

The present invention also has the following advantages:

(1) the close high pitch that can produce owing to personnel is reported to the police when maintenance, thereby can remind the inspection operation personnel concern of distant place and stop existing risky operation, reaches the effect of effective caution;

(2) when maintenance, can produce voice suggestion or operation message because personnel operate critical component, thereby warning operator circuit there is the people to overhaul, and has reached the effect of effective prompting and warning;

(3) under inspecting state, inspecting state indicator light or flash alarm can Chang Liang, also from visually give warning and prompting away from the state effect;

(4) operation sheet is carried for the maintainer under inspecting state, has effectively protected handling safety, meanwhile moves back to touch the lid lid behind the card, carries out function and confirms and drive each performer to finish the protection action; There is the fore shaft disarmed state to switch at the identification card mistake; Stop to send electric-examination to repair state in addition and keep, for maintainer's life security provides multiple protective, effect is remarkable.

Description of drawings

Fig. 1 is the johning knot composition that embodiment of the invention electric power overhaul protector control relation reaches;

Fig. 2 is the circuit diagram of the power module of embodiment of the invention electric power overhaul protector;

Fig. 3 is the circuit diagram of the identification module of embodiment of the invention electric power overhaul protector;

Fig. 4 is the circuit diagram of the state handover module of embodiment of the invention electric power overhaul protector;

Fig. 5 is the circuit diagram of the recording control module of embodiment of the invention electric power overhaul protector;

Fig. 6 is the circuit diagram of the touch circuit module of embodiment of the invention electric power overhaul protector;

Fig. 7 is the circuit diagram of the human body induction module of embodiment of the invention electric power overhaul protector;

Fig. 8 is the circuit diagram of the voice recording-reproducing assembly of embodiment of the invention electric power overhaul protector;

Fig. 9 is the circuit diagram of the audio frequency power amplifier module of embodiment of the invention electric power overhaul protector;

Figure 10 is the driving Executive Module of embodiment of the invention electric power overhaul protector and the circuit diagram of state indicating module;

Figure 11 is the block diagram of method of the electric power overhaul safeguard protection of the embodiment of the invention.

Embodiment

Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.

Shown in Fig. 1 to 10; electric power overhaul protector of the present invention comprises power module A, identification module B, state handover module C, recording control module D, touches circuit module E, human body induction module F, voice recording-reproducing assembly G, audio frequency power amplifier module H, drives Executive Module I and state indicating module J.Identification module, state handover module, recording control module, touch circuit module, human body induction module, voice recording-reproducing assembly, audio frequency power amplifier module, driving Executive Module are connected with the output of described power module respectively with the state indicating module; Described identification module carries out in good time structural limitations to described state handover module; Described state handover module is connected with the state indicating module with described human body induction module, touch circuit module, driving Executive Module respectively; Described human body induction module also is connected with described driving Executive Module; Described touch circuit module also is connected with described voice recording-reproducing assembly; One end of described voice recording-reproducing assembly connects described recording control module, and the other end is connected with described audio frequency power amplifier module.

The electric power overhaul protector of the embodiment of the invention is compared with the suspension warning sign, electrician's job that requires special skills needs two people's operations, one people guards one man operation, there is monitoring improper unavoidably, and the present invention has the protection effect identical with the guardian under the maintenance pattern, the various errors in the time of can also avoiding artificially guarding; Not only to key element that misoperation can take place (as: if air switch keeps trip status to trip gear, make its operation lock that also can't close) or system's cabinet door (its pinning can not being opened with electromagnetic mechanism) carry out the safe condition locking, and compare with earth leakage protective device, the present invention personnel to external world blindly operates the sound and light alarm suggesting effect that can carry out in advance, rather than touches by the people and to produce the mode that electric leakage is moved after power supply forms the loop as human body resistance and ground; The people when operation of the present invention simultaneously contact with power supply. and its operator when protecting is in off-position.

Particularly, as shown in Figure 2, the air circuit of the port one of power module A, port 2 and controlled load or bat-handle switch the input power supply be connected; Wherein, port one meets L or L1, and port 2 meets N or L2; The port 3 of power module A is connected respectively with the port one 7 of the port one 0 of the port 8 of identification module B, state handover module C, the port one 2 of recording control module D, the port one 4 that touches circuit module E, human body induction module F, the port 30 of driving Executive Module I, state indicating module J; The port 4 of power module A is connected with the port one 9 of voice recording-reproducing assembly G; The port one 8 of the port one 3 of the port one 1 of the port 5 of power module A and the port 9 of identification module B, state handover module C, recording control module, the port one 6 that touches circuit module, human body induction module F, the port 20 of voice recording-reproducing assembly G, the port 31 that drives Executive Module I and state indicating module J are connected respectively; The port 6 of power module A is connected with the port 25 of audio frequency power amplifier module H, and the port 7 of power module A is connected with the port 27 of audio frequency power amplifier module H.

The port one 5 that touches circuit module E touches sheet M with external metallization and is connected.

The port 21 of voice recording-reproducing assembly G, port 22 are connected with negative pole with the positive pole of external Electret condenser microphone respectively; The port 24 of voice recording-reproducing assembly G is connected with the port 26 of audio frequency power amplifier module H, and the port 23 of voice recording-reproducing assembly G is connected with the port 27 of audio frequency power amplifier module H.

The port 28 of audio frequency power amplifier module H, port 29 are connected with negative pole with the positive pole of external loudspeaker BL respectively.

Wherein, the port 30, the port 31 that drive Executive Module I and state indicating module J all have two kinds of connected modes, and a kind of direct current that adopts links to each other respectively with port 3, the port 5 of power module A; Another kind of employing interchange is with port one, when port 2 is connected AC220V, and port 30 meets 1L, and port 31 meets 2N; If port one and port 2 be line voltage AC380V, 30 of ports join with L1, and port 31 and L2 join, and load executive component and indicator light are according to power supply selection of A C220V or AC380V form.

Power module A comprises BT transformer, diode D1～D8, triode V1, polar capacitor C1～C6, integrated circuit (IC) 1～IC3 and resistance R 1, and wherein, the input of BT transformer connects power input L1 and L2 respectively; The output of BT transformer is formed bridge rectifier with diode D1～D4 and diode D5～D8 respectively; Bridge rectifier one end that diode D1～D4 forms is connected with port 5, and the other end is connected with 1 pin, one end of integrated circuit (IC) 1; Bridge rectifier one end that diode D5～D8 forms is connected other end connectivity port 7 with the collector electrode of triode V1; The base stage of triode V1 is connected with an end of integrated circuit (IC) 3, the emitter connectivity port 6 of triode V1; Resistance R 1 is connected between the base stage and emitter of triode V1; Capacitor C 1 is parallel between the bridge rectifier output and integrated circuit (IC) 1 of IC1 diode D1～D4 composition; Capacitor C 2, capacitor C 3 are parallel between integrated circuit (IC) 1 and the integrated circuit (IC) 2 successively, and wherein, port 3 is connected in the tie point of capacitor C 2 and integrated circuit (IC) 1; Capacitor C 4 is parallel between port 4, port 5 and the integrated circuit (IC) 2; One end of capacitor C 5 connects the tie point of integrated circuit (IC) 3 and diode D5～D8 composition bridge rectifier, other end connectivity port 7; One end of capacitor C 6 is connected in the tie point of resistance R 1 and triode V1 emitter, other end connectivity port 7.Wherein, integrated circuit (IC) 1 is integrated 7812 for voltage stabilizing, and the power supply that is offered correlation module by port 3 outputs is connected respectively with port 8, port one 0, port one 2, port one 4, port one 7, port 30.Integrated circuit (IC) 2 provides power supply for voice recording-reproducing assembly G, is connected by port 4 outputs and with port one 9; Port 5 is public cathode output end, and it is connected respectively with port 9, port one 1, port one 3, port one 6, port one 8, port 20, port 31.IC3 provides power supply for audio frequency power amplifier module H, and output port 6 is connected with port 25, and port 7 is connected with port 27.Input port 1 is connected by the switch input side of maintenance load with control respectively with port 2, and input port 1 can connect L or L1, and port 2 can connect N or L2, selects BT primary voltage according to different input voltages.

Identification module B comprises a propelling mouthful switch S 1, resistance R 2～R6, optoelectronic switch W1, counter IC4, capacitor C 7, triode V2, diode D9 and light-emitting diode EF1; Advance a mouthful switch S 1 to be serially connected with on the port 8; Optoelectronic switch W1 is parallel between port 8 and the port 9; Resistance R 2, resistance R 3 are parallel to respectively and advance between mouthful switch S 1 and the optoelectronic switch W1; Counter IC4 has 15 pins, and wherein, the 14th pin is connected in the tie point of resistance R 3 and optoelectronic switch W1, and the 8th pin is the VSS end and is connected with port 9 that the 16th pin is that EN holds and connectivity port 9 for connecing vdd terminal and passing through S1 connectivity port 8, the 15 pins; Capacitor C 7 is serially connected with the 15th pin and advances between mouthful switch S 1; This resistance R 4 is serially connected with between capacitor C 7 and the port 9; 3rd, 2,4,7,10,1,5,6,9,11 pins are distinguished corresponding bits of coded Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8 and Y9 successively; One end of resistance R 5 connects any one among bits of coded Y0～Y9 in good time, and the other end connects the base stage of triode V2; The cathode terminal of diode D9 is by advancing mouthful switch S 1 connectivity port 8, and the anode disconnection connects the collector electrode of triode V2; One end of relay K 1 is by advancing mouthful switch S 1 connectivity port 8, and the other end connects the collector electrode of triode V2; The anode of light-emitting diode EF1 is disconnected successively by resistance R 6 and propelling mouthful switch S 1 connectivity port 8, and cathode terminal connects the collector electrode of triode V2.Wherein, when card or key insertion, advance mouthful switch S 1 closure, circuit gets, get at circuit and to begin after electric card or notch are on the key identified, when card or the coding of key when encode seal line that counter IC4 arranges conforms to, the Y0 of corresponding counter IC4 to Y9 wherein arbitrary bits of coded export high level, V2 conducting, relay K 1 work and driving fore shaft electromagnet are opened, and make card enter the state switching part; This identification module B limit erroneous card enters the triggering part of state conversion: the port 8 of identification module B is the power supply positive input, and port 9 is the power-input; Counter IC4 is the CD4017 counter in the present embodiment.Wherein said identification module also inserts by special-shaped socket restriction key.

State handover module C comprises integrated circuit (IC) 5～IC6, resistance R 7～R12, triode V3～V6, diode D10～D11 and light-emitting diode EF2～EF3, wherein, 10,2 pin connectivity ports, 1 pin connectivity port, 11,3 pins of integrated circuit (IC) 5 connect the base stage of triode V3; Resistance R 7 one end connectivity ports 10, the other end connects 3 pins of integrated circuit (IC) 5 and the tie point of triode V3 base stage; The collector electrode of triode V3 is by resistance R 8 connectivity ports 10, emitter connectivity port 11; The base stage of triode V4 connects the collector electrode of triode V3, emitter connectivity port 11; The anode tap of diode D10 connects the collector electrode of triode V4, cathode terminal connectivity port 10; Relay K 2 one end connectivity ports 10, the other end connects the collector electrode of triode V4; The anode tap of light-emitting diode EF2 is by resistance R 9 connectivity ports 10, and cathode terminal connects the collector electrode of triode V4; The end of relay auxiliary contact K2-1 connects the tie point of this light-emitting diode EF2 and triode V4, and the other end is by relay auxiliary contact K3-1 connectivity port 11; 10,2 pin connectivity ports, 1 pin connectivity port, 11,3 pins of integrated circuit (IC) 6 connect the base stage of triode V5; One end connectivity port 10 of resistance R 10, the other end connects the tie point of integrated circuit (IC) 6 and triode V5 base stage; The collector electrode of triode V5 is by R11 connectivity port 10, emitter connectivity port 11; The base stage of triode V6 connects the collector electrode of triode V5, emitter connectivity port 11; The anode tap of diode D11 connects the collector electrode of triode V6, cathode terminal connectivity port 10; One end connectivity port 10 of relay K 3, the other end connects the collector electrode of triode V6; The anode tap of light-emitting diode EF3 is by resistance R 12 connectivity ports 10, and cathode terminal connects the collector electrode of triode V6.Wherein, port one 0 is the power supply positive input, and port one 1 is the power-input; IC5 is hall ic, 3 pin of IC5 are by high level step-down level after being subjected to the magnetic triggering, V3 ends, the V4 base stage uprises level, the V4 conducting, and relay K 2 adhesives also drive door lock or thread off and move with electromagnet, relay auxiliary contact K2-1 closure, make K2 keep adhesive, circuit enters the maintenance guard mode, and relevant touch circuit module E, human body induction module F, voice recording-reproducing assembly G, driving Executive Module I, state indicating module J all enter the triggering state for the treatment of; Integrated circuit (IC) 6 is hall ic; 3 pin of integrated circuit (IC) 6 are by high level step-down level after being subjected to the magnetic triggering; triode V5 ends; the base stage of triode V6 uprises level; triode V6 conducting, relay K 3 adhesives also disconnect relay auxiliary contact K3-1, and relay auxiliary contact K2-1 is by keeping becoming disconnection; relay K 2 dead electricity circuit return running status by inspecting state, and defencive function stops.

Recording control module D comprises integrated circuit (IC) 7, resistance R 13～R15, triode V7～V8, diode D12, relay K 4 and light-emitting diode EF4.Integrated circuit (IC) 7 is parallel between port one 2 and the port one 3, and the one end also is connected with the base stage of triode V7; The collector electrode of triode V7 is by resistance R 14 connectivity ports 12, emitter connectivity port 13; Resistance R 13 1 end connectivity ports 12, the other end connects the base stage of triode V7; The base stage of triode V8 connects the collector electrode of triode V7, emitter connectivity port 13; The anode tap of diode D12 connects the collector electrode of triode V8, cathode terminal connectivity port 12; One end connectivity port 12 of relay K 4, the other end connects the collector electrode of triode V8; The anode tap of light-emitting diode EF4 is by resistance R 15 connectivity ports 12, and cathode terminal connects the collector electrode of triode V8.Wherein, IC7 is hall ic, 3 pin of integrated circuit (IC) 7 are by high level step-down level after being subjected to the magnetic triggering, triode V7 ends, triode V8 base stage uprises level, triode V8 conducting, relay K 4 adhesives also make the relay auxiliary contact K4-1 closure of voice recording-reproducing assembly G, the recording beginning; Revise recording substance for convenience when practical application, also relay auxiliary contact K4-1 can be gone up key switch in parallel, the port one 2 of recording control module D is the power supply positive input, and port one 3 is the power-input.

Touch circuit module E and comprise integrated circuit (IC) 8, adjustable resistance R16, resistance R 17～R20, capacitor C 8, polar capacitor C9, capacitor C 10, diode D13, relay K 5 and light-emitting diode EF5.Resistance R 17 is parallel between port one 5 and the port one 4, and resistance R 18 is parallel between port one 5 and the port one 6; Capacitor C 8 one ends are connected in the tie point of resistance 17 and resistance 18, other end connectivity port 15; 1 pin connectivity port, 16,2 pins of integrated circuit (IC) 8 are connected in the tie point of resistance 17 and

resistance

18, and 3 pins are connected in the base stage of triode V9 by

resistance R

19, and 4 pin connectivity ports, 14,5 pins are by capacitor C 10 connectivity ports 16; 6 pins of integrated circuit (IC) 8 and 7 pin homogeneous ends are by polar capacitor C9 connectivity port 16, and the other end connects the terminals of adjustable resistance R16; Another terminals connectivity port 14 of this adjustable resistance R16, slide plate end are connected in the tie point of resistance R 17 and port one 4; The equal connectivity port 14 of 4 pin of integrated circuit (IC) 8 and 8 pin; The emitter connectivity port 16 of triode V9; The anode tap of diode D13 connects the collector electrode of triode V9, and cathode terminal is by relay auxiliary contact K2-2 connectivity port 14; One end of relay K 5 is by relay auxiliary contact K2-2 connectivity port 14, and the other end connects the collector electrode of triode V9; The cathode terminal of light-emitting diode EF5 connects the collector electrode of triode V9, and anode tap is by resistance R 20 connectivity ports 14.Wherein, port one 4 is the power supply positive input, and port one 6 is the power-input, and port one 5 touches sheet M with external metal and is connected; IC8 is that the low side of an integrated composition of time-base circuit triggers monostable; adjusted by resistance R 16 and polar capacitor C9 flip-flop transition; when entering the maintenance guard mode; relay K 2 adhesives; when relay auxiliary contact K2-2 is closed; integrated circuit (IC) 8 entered transient state after the people touched metal touch sheet M; 3 pin of integrated circuit (IC) 8 are high level; triode V9 conducting, relay K 5 is closed and make the relay auxiliary contact K5-1 closure of voice recording-reproducing assembly G, beginning playback; because transient state time is short; 2 seconds left and right sides integrated circuit (IC) 8 normality of overturning back, so stop automatically after playback finishes, port one 5 is treated to trigger next time.

Human body induction module F comprises integrated circuit (IC) 9, resistance R 21～R22, triode V10, diode D14, relay K 6, light-emitting diode EF6 and functional select switch S2.1 pin of integrated circuit (IC) 9 is connected in port one 7,2 pin by the base stage of resistance R 21 connection triode V10,3 pin connectivity ports 18 by functional select switch S2 and relay auxiliary contact K2-2 successively; The emitter connectivity port 18 of triode V10; The anode tap of diode D14 connects the collector electrode of triode V10, and cathode terminal is by relay auxiliary contact K2-2 connectivity port 17; One end connectivity port 17 of relay K 6, the other end connects the collector electrode of triode V10; The cathode terminal of light-emitting diode EF6 connects the collector electrode of triode V10, and anode tap is successively by resistance R 22 and relay auxiliary contact K2-2 connectivity port 17.Wherein, when entering the maintenance guard mode, the adhesive of K2 relay, relay auxiliary contact K2-2 closure, integrated circuit (IC) 9 is closed into operating conditions by functional select switch S2, if the people exports high level, triode V10 conducting near 2 pin that will make integrated circuit (IC) 9 in 7 meters scopes, relay K 6 adhesives also drive the flash alarm JLT-TD of Executive Module I and high pitch power alarm LTE action, and reporting to the police after the people shifts out scope stops; Module 17 is the power supply positive input, and 18 are the power-input, and integrated circuit (IC) 9 is HC-SR501.

Voice recording-reproducing assembly G comprises integrated circuit (IC) 10; The VSS end connectivity port 20 of this integrated circuit (IC) 10, vdd terminal connectivity port 19, SP positive terminal connectivity port 24, SP negative pole end connectivity port 23, the PLAYE end connects the COM end by relay auxiliary contact K5-1, the REC end connects COM end, the positive terminal connectivity port 21 of MIC, the negative pole end connectivity port 22 of MIC by relay auxiliary contact K4-1.Wherein, port one 9 is the power supply positive input, and it is connected with the port 4 of power module A; Port 20 is the power-input, and it is connected with the port 5 of power module A; IC10 is the voice development boards, when audition power is enough, can pass through port 23 and port 24 external audio frequency power amplifier module H, if little port 26 and the port 27 that just needs to connect audio frequency power amplifier module H of audition power, port 24 is connected with the port 26 of audio frequency power amplifier module H.The beginning of the relay K 4 closed control relay auxiliary contact K4-1 recording of recording control module D touches the beginning of the relay K 5 closed control relay auxiliary contact K5-1 playbacks of circuit module E; Port 21 and port 22 can be arranged External micro phone according to the needs of design condition; Integrated circuit (IC) 10 is ISD25120P.

Audio frequency power amplifier module H comprises integrated circuit (IC) 11, resistance R 23～R29, polar capacitor C13 and capacitor C 11, C12, C14, C15, C16, C17.1 pin connectivity port, 26,2 pins of integrated circuit (IC) 11 then jump to 2 pins by

resistance R

27,5 pin connectivity ports 25 by

resistance R

28 and 27,3 pin connectivity ports, capacitor C 15 connectivity ports, 27,4 pins successively; Resistance R 23 is connected between port 26 and the port 27; One end of capacitor C 11 is connected in the tie point of resistance R 23 and port 27, and the other end is connected in 1 pin of integrated circuit (IC) 11; Resistance R 25 and resistance R 26 are parallel between port 25 and the port 26 after the serial connection earlier again; One end of resistance R 24 and capacitor C 12 all is connected in the tie point of resistance R 25 and resistance R 26, the equal ground connection of the other end; One end of polar capacitor C13 and capacitor C 14 all is connected in port 25, the equal ground connection of the other end; One end of resistance R 29 is connected in 4 pins of integrated circuit (IC) 11, and the other end is by capacitor C 16 connectivity ports 29; Capacitor C 17 1 ends are connected in the tie point of 4 pins of resistance R 29 and integrated circuit (IC) 11, other end connectivity port 28.Wherein, port 25 is connected with the port 6 of power module A; Port 27 is connected with the port 7 of power module A and the port 23 of voice recording-reproducing assembly G; Port 26 is audio frequency inputs, and it is connected with the port 24 of voice recording-reproducing assembly G; IC11 adopts LM1875 single supply typical circuit, and the 4 pin output of integrated circuit (IC) 11 is connected with external loudspeaker BL by port 28, port 29, is used for improving audition power.

Drive Executive Module I and comprise fore shaft electromagnet K7, door lock electromagnet K8, flash alarm JLT-TD and high pitch power alarm LTE.Wherein, the end of fore shaft electromagnet K7 is by relay auxiliary contact K1 connectivity port 30, other end connectivity port 31; The end of door lock electromagnet K8 is by relay auxiliary contact K2-3 connectivity port 30, other end connectivity port 31; The end of flash alarm FA is by relay auxiliary contact K6-1 connectivity port 30, other end connectivity port 31; The end of high pitch power alarm HPA connects the tie point of flash alarm JLT-TD and relay auxiliary contact K6-1, other end connectivity port 31.

State indicating module J comprises normal run indicator GD and inspecting state indicator light RD.The end of normal run indicator GD is by relay auxiliary contact K3-2 connectivity port 30, other end connectivity port 31; The end of inspecting state indicator light RD is by relay auxiliary contact K2-4 connectivity port 30, other end connectivity port 31.Wherein, GD and RD indicate normal operating condition and maintenance guard mode respectively, and it both can be indicator light, also can be that the literal charactron shows, can also show by the is-symbol sign.Described driving Executive Module and state indicating module lock release and indication to circuit normal operating condition and maintenance guard mode in good time.

Reasonable in design of the present invention is protected by selecting the maintenance pattern, has the same effect with artificial monitoring simultaneously under the maintenance pattern, thus the various errors when having avoided artificial monitoring.

In addition, as shown in figure 11, present embodiment also provides a kind of method of using the electric power overhaul safeguard protection of above-mentioned electric power overhaul protector, comprises the steps:

101, power module is connected power supply and plug-in card is inserted in the identification module, make the plug-in card handover module that correctly gets the hang of;

102, the situation that gets the hang of in the handover module by plug-in card triggers the recording control module in good time, touches corresponding module in circuit module, human body induction module, voice recording-reproducing assembly, audio frequency power amplifier module, driving Executive Module and the state indicating module;

103, according to the corresponding state of each module the entire circuit state is accurately judged.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement, simplification etc., all should be included within protection scope of the present invention.

Claims

1. electric power overhaul protector, it is characterized in that, comprise the power module that is connected with the input power supply and the identification module that is connected with the output of described power module, state handover module, recording control module, touch circuit module, human body induction module, voice recording-reproducing assembly, audio frequency power amplifier module, driving Executive Module and state indicating module;

Described identification module carries out in good time structural limitations to described state handover module;

Described state handover module is connected with the state indicating module with described human body induction module, touch circuit module, driving Executive Module respectively;

Described human body induction module also is connected with described driving Executive Module;

Described touch circuit module also is connected with described voice recording-reproducing assembly; One end of described voice recording-reproducing assembly connects described recording control module, and the other end is connected with described audio frequency power amplifier module.

2. electric power overhaul protector as claimed in claim 1 is characterized in that, described power module comprises integrated circuit (IC) 1～IC3;

Described integrated circuit (IC) 1 is integrated 7812 for voltage stabilizing, and it gives described identification module, state handover module, recording control module respectively, touch circuit module, human body induction module, driving Executive Module and state indicating module provides power supply;

Described integrated circuit (IC) 2 provides power supply for described voice recording-reproducing assembly G;

Described integrated circuit (IC) 3 provides power supply for audio frequency power amplifier module H.

3. electric power overhaul protector as claimed in claim 1 or 2 is characterized in that, described identification module comprises counter IC4; The triggering part that the mistake card of described counter IC4 enters the state conversion limits in good time; Described identification module also inserts by special-shaped socket restriction key.

4. electric power overhaul protector as claimed in claim 1 or 2 is characterized in that, described state handover module comprises integrated circuit (IC) 5 and integrated circuit (IC) 6;

Described integrated circuit (IC) 5 is hall ic, and its control circuit enters the maintenance guard mode and controls described touch circuit module, human body induction module, voice recording-reproducing assembly, driving Executive Module, state indicating module and all enters the triggering state for the treatment of;

Described integrated circuit (IC) 6 also is hall ic, and its control circuit returns running status by inspecting state.

5. electric power overhaul protector as claimed in claim 1 or 2; it is characterized in that; described recording control module comprises integrated circuit (IC) 7, and described integrated circuit (IC) 7 is hall ic, and it triggers the also beginning of control recording in good time by described state handover module or stops.

6. electric power overhaul protector as claimed in claim 4 is characterized in that, described touch circuit module comprises integrated circuit (IC) 8; The low side that described integrated circuit (IC) 8 is an integrated composition of time-base circuit triggers monostable, and it is externally connected to metal and touches sheet; Described integrated circuit (IC) 8 comes in good time control circuit playback to begin or stop by the shake-up that described metal touches sheet.

7. electric power overhaul protector as claimed in claim 4 is characterized in that, described human body induction module comprises integrated circuit (IC) 9; 9 couples of operating personnel of described integrated circuit (IC) carry out in good time alarm when entering the maintenance guard mode.

8. electric power overhaul protector as claimed in claim 4 is characterized in that, described voice recording-reproducing assembly comprises integrated circuit (IC) 10; Described integrated circuit (IC) 10 is the voice development board, and it is connected with the different port of audio frequency power amplifier module H according to the audition watt level in good time;

Described voice recording-reproducing assembly also is connected with negative pole with the positive pole of external Electret condenser microphone respectively.

9. electric power overhaul protector as claimed in claim 1 or 2 is characterized in that, described audio frequency power amplifier module comprises integrated circuit (IC) 11; Described integrated circuit (IC) 11 adopts LM1875 single supply typical circuit, and its outside also is connected with for the loud speaker that improves audition power; Described driving Executive Module and state indicating module lock release and indication to circuit normal operating condition and maintenance guard mode in good time.

10. a use is characterized in that as the method for the electric power overhaul safeguard protection of electric power overhaul protector as described in each among the claim 1-9, comprises the steps: