CN101295609B - Circuit protection device for automatically monitoring operation disturbance - Google Patents
Circuit protection device for automatically monitoring operation disturbance Download PDFInfo
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- CN101295609B CN101295609B CN2007100398201A CN200710039820A CN101295609B CN 101295609 B CN101295609 B CN 101295609B CN 2007100398201 A CN2007100398201 A CN 2007100398201A CN 200710039820 A CN200710039820 A CN 200710039820A CN 101295609 B CN101295609 B CN 101295609B
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Abstract
The invention relates to a circuit protective device which automatically monitors operation faults; the circuit protective device comprises an interrupter protective device of a grounding fault circuit, a grounding fault test circuit, a drive module, a solenoid loop and a circuit module which automatically monitors the operation faults; the circuit module which automatically monitors the operation faults consists of a main control system, a monitoring system and an indicating system. The main-control system is connected on the N wire of a power; the monitoring system is connected on the anode of Q1 and the base electrode of Q3; the indicating system is connected on the two input power contact pins of the solenoid loop. The input end and the output end of the circuit module which automatically monitors the operation faults are connected with the output end of the interrupter protective device of the grounding fault circuit; the output end of the circuit module which automatically monitors the operation faults is connected with the input end of the interrupter protective device of the grounding fault circuit; the input end of the circuit module which automatically monitors the operation faults is connected with output end of the drive module; the main-control system can form a periodical clearance concussion pulse; the monitoring system forms an interlocking amplifier and a comparator.
Description
Technical field
The present invention relates to a kind of circuit protection device of automatic monitoring operation troubles; especially relevant for a kind of ground fault circuit interrupter (Ground Fault Circuit Interrupter; GFCI), its have can whole-process automatic monitoring grounding faulty circuit interrupter operate as normal and send the circuit protection device of the malfunctioning alarm signal of interrupter.
Background technology
Can sense fault during ground fault interruption device shorted to earth, or ground connection can thread off automatically when leak current fault occurring, the input contact be disconnected from load end separate, thereby avoid the generation of threat to life electric shock incident.
Some reasons can cause the ground fault interruption device operation troubles to occur, cause the error of opening circuit of the electronic component of device and mechanical part.Such as, because mechanical abrasion, mechanical part is corroded or the overload when installing, and perhaps because mechanicalness is operated excessively, or because of electric surge, as thunderbolt, might cause interrupter operation troubles to occur.Inductor, detector, switch, dropout machinery and supply of electric power fluctuation also may cause operation troubles.In addition, the normal aging of electronic component or life-span expire and produce short circuit or open circuit, also cause operation troubles.More above-mentioned examples all might cause ground fault detector malfunctioning under failure condition, and interrupter device dropout tripping operation is cut off the electricity supply.
In order to solve the problems of the technologies described above, application number is to have disclosed a kind of ground fault interruption device in U.S.'s publication application of 895,104, this interrupter have one can the checkout gear operating state testing button, this testing button can periodically be triggered, and is used for the checkout gear operating state.
The weak point of this type of device is that circuit breaker must regularly be triggered by artificial, has increased working strength.Especially under the situation that has a large amount of circuit breakers to exist, workload is very big.The second, if circuit breaker is malfunctioning between twice fault test triggers, still have shock hazard.The 3rd, if circuit breaker is malfunctioning, can not before triggering test, send alarm signal.The 4th, trigger test itself must the interruption power supply and load between power supply, the user of load is brought inconvenience.
Summary of the invention
A technical problem to be solved by this invention provides a kind of circuit protection device of automatic monitoring operation troubles, and the operation troubles that it can detect circuit breaker automatically need not artificial detection trigger regularly.
Another technical problem to be solved by this invention provides a kind of circuit protection device of automatic monitoring operation troubles, and in a single day it operation troubles occurs at circuit breaker can send caution, prompting changing or maintenance.
Another technical problem to be solved by this invention provides a kind of circuit protection device of automatic monitoring operation troubles, and in a single day it operation troubles occurs at circuit breaker can send caution, avoids the electric shock hidden danger of stoppage circuit breaker.
Another technical problem to be solved by this invention provides a kind of circuit protection device of automatic monitoring operation troubles; it did not need the power supply ability detection failure between deenergization and the load before circuit breaker truly breaks down, thus the inconvenience of having avoided the load user to have a power failure.
In order to solve the problems of the technologies described above; technical scheme provided by the present invention provides a kind of circuit protection device of automatic monitoring operation troubles; it comprises a ground fault circuit interrupter protective device (1); an earth fault test circuit (3); a driver module (4) and an automatic monitoring operation troubles circuit module (2).Automatically monitoring operation troubles circuit module (2) is made up of master control system (2-1), supervisory control system (2-2) and indication mechanism (2-3).Master control system (2-1) is connected on the power supply N line; Supervisory control system (2-2) is connected on the base stage of the anode of triode Q1 and triode Q3; Indication mechanism (2-3) is connected on two input power pins of solenoid coil.The output of ground fault circuit interrupter protective device (1) is connected with the input of earth fault test circuit (4), the input of ground fault circuit interrupter protective device (1) is connected with the output of earth fault test circuit (4), and the input of monitoring operation troubles circuit module (2) automatically is connected with the output of ground fault circuit interrupter protective device (1); Automatically the output of monitoring operation troubles circuit module (2) is connected with the input of ground fault circuit interrupter protective device (1); Automatically the input of monitoring operation troubles circuit module (2) is connected with the output of described driver module (4).Master control system (2-1) can form periodically gap concussion pulse; Supervisory control system (2-2) forms interlocking amplifier and comparator.
The invention has the beneficial effects as follows the operation troubles that can detect circuit breaker automatically, need not artificial detection trigger regularly, in a single day operation troubles occurs at circuit breaker and can send caution, prompting changing or maintenance, in a single day operation troubles occurs at circuit breaker and can send caution, avoid the electric shock hidden danger of stoppage circuit breaker, before circuit breaker truly breaks down, do not need the power supply ability detection failure between deenergization and the load, thus the inconvenience of having avoided the load user to have a power failure.
Description of drawings
Fig. 1 is the general structure calcspar of a kind of preferred embodiment of the present invention;
Fig. 2 is the concrete structure calcspar of module among Fig. 1 (2);
Fig. 3 is the present invention's perspective diagram embodiment illustrated in fig. 1;
Fig. 4 is the present invention's perspective diagram at trip status embodiment illustrated in fig. 3;
Fig. 5 is the present invention's line work block diagram embodiment illustrated in fig. 1;
Fig. 6 shows the part perspective view that the mechanical action of an embodiment of present invention is implemented;
Fig. 7 is the perspective view that the mechanical action of Fig. 5 reset mode of the present invention is realized part;
Fig. 8 is the automatic monitoring lifetime limitation conspectus of Fig. 5 of the present invention.
Embodiment
With reference to figure 1 and Fig. 2, the circuit protection device of automatic monitoring operation troubles of the present invention is connected to form by 4 circuits: ground fault circuit interrupter protective device circuit (1), monitor operation troubles circuit module (2), earth fault test circuit module (3), driver module (4) automatically.
The output of ground fault circuit interrupter protective device circuit (1) directly connects the input of earth fault test circuit module (3), and the output of ground fault circuit interrupter protective device circuit (1) is connected to the input of driver module (4).The output of driver module (4) is connected to the input of automatic monitoring operation troubles circuit module (2), and the input of monitoring operation troubles circuit module (2) automatically is connected to the output of driver module (4); Automatically the output of monitoring operation troubles circuit module (2) is connected to the input of ground fault circuit interrupter protective device (1), and the output of earth fault test circuit module (3) is connected to ground fault circuit interrupter protective device circuit (1) input.
Fig. 3 is the present invention's perspective diagram embodiment illustrated in fig. 1, the situation when being used to disclose the GFCI interior arrangement and being in trip status.This device has a reset button (62) to move up and down along A direction route; Reset button (62) is connected with reset lever (66), and the lower end is conical head (226), in a groove (224) is arranged, reset lever (66) is moved from top to bottom along B direction route.Be provided with the push rod that resets (212) that is connected with the guide plate that resets (210) below the reset button (62), be provided with the movable link rod (84) of taking back multiple spring (118) below the push rod that resets (212), movable push bar (212) moves from top to bottom along C direction route.When the push rod (212) that domatic (222) reset of movable link rod (84) contacts, move toward the right along D direction route, when the push rod (212) that resets rises, movable link rod (84) is by the stretching force of returning spring (118), move toward the left side along D direction route, be seated in the movable contact (84), be provided with the metal lock pin (80) of lock pin spring (82) in the conical head of reset lever (66), along the side-to-side movement of E direction.
The left side of solenoid (90) (see figure 4) is a shifting stage (86), its the right is equipped with the moving magnet (92B) that rotary shaft is installed, this moving magnet (92B) is connected together by a purl (112) with shifting stage (86), have a springboard spring (114) be seated in shifting stage (86) below, should (86), (112), (114) constitute an integral body.Operation resets or when threading off, just causes that shifting stage moves up and down along F direction route like this, and the moving magnet of shifting stage (92B) is with the pivot point of (228), Yi Bian move from moving on to another side along G direction route.Shifting stage (86) is seated in below the hook (220) of movable link rod (84).
Referring to Fig. 4, will explain reset operation by Fig. 4.Fig. 4 is the perspective view of the mechanism components reset mode of the device of painting.The new GFCI device of installing is a trip status, so when bringing into use, first supply power, realizes resetting by pressing reset button (62).Pressing reset button (62) allows the conical head (226) of reset lever (66) enter in the semiellipse hole of metal lock pin (80).
When reset button (62) when down moving, the push rod that resets (212) that is connecting the guide plate that resets (210) just simultaneously down, reset domatic (232) of push rod (212) with regard to domatic (222) of contact activity link rod (84), make movable link rod (84) toward right motion, and beginning compression reaction spring (118), hook (220) (see figure 2) on the movable link rod (84) can break away from domatic (218) (see figure 2) of shifting stage (86); So just allow springboard spring (118) to extend and promote springboard upwards to rotate (see figure 2) along direction route shown in the arrow F, point (218) rotation around the shaft, the upper arm (230) of shifting stage (86) can make moving magnet (92B) to the right, direction towards static magnet (92A) is close, makes moving magnet (92B) approaching with static magnet (92A) and solenoid (90).
When the conical head (226) of reset lever (66) is inserted in the hole of metal lock pin (80), by the stretching force of lock pin (82), metal lock pin (80) is moved right, so just fastened the groove on the reset lever (228).
This solenoid (90), be used to trigger reset of breaker and dropout, be provided with a bobbin (88), magnet fuse (94) static magnet (92A), this magnet fuse (94) passes the endoporus of bobbin, rivets mutually with the magnetostatic iron plate (92A) of solenoid (90) back, bobbin is around with sucking coil (90A) and is combined as a solenoid (90), when input has electric current to pass through, become electromagnet, make magnet fuse (94) and magnetostatic iron plate (92A) produce suction.
Fig. 5 is the line work schematic diagram among Fig. 1 of the present invention.The enforcement perspective view of key-drawing 1 general structure calcspar.This device comprises a ground fault circuit interrupter protective device 1.Resistance (11) is represented an analogue ground fault, and an analogue ground fault produces an extra electric current in lead (5), and this electric current does not exist in lead (6).This extracurrent of difference electric current that transducer (L1) is sensed between lead (5) and the lead (6) is detected by a ground fault detector (GD).If the extracurrent value exceeds predetermined threshold value at lead (5) and lead (6), threshold value is 6 milliamperes, detector GD sends analog signal and threads off instruction to SCRQ1, make the SCRQ1 conducting, make solenoid (K1B1) two ends lose current potential again, solenoidal magnet discharges with regard to losing suction magnetic force, and mechanical device is threaded off, and the moving contact (7) of J1 and J2 is separated with (8) fixed contact with OUTLET output; Moving contact (7) separates disconnection with load end (J3) with the fixed contact of (J4) with (8), has formed earth-fault protection.
This device particularly embodies a monitoring operation troubles circuit module (2) automatically.This automatic monitoring function is whether the earth fault measurement circuit function that is used for monitoring ground fault circuit interrupter protective device (1) has arrived lifetime limitation or operation troubles occurred.Detector GD for example, form by electronic component, component aging be may occur or bad arrival useful life or fault welded, the electric surge that integrated circuit is caused by thunder and lightning and cause short circuit or arrive useful life, or coil hinders for some reason and causes and burn into open circuit or short circuit, or causes wearing and tearing or corrosion not to have worked because of working long hours with dropout mechanicalness element.Also have supply of electric power also may power, integrated circuit, inductor L1 and L2, detector GD or coil K1B have not been worked not according to designing requirement.When operation troubles appearred in GFCI, the automatic monitoring operation troubles system in the present invention will give caution of user automatically like this.Such as, the appearance of this caution represents that the one or more elements in the user's set have reached working life.
Fig. 5 comprises an earth fault test circuit (3), and test circuit comprises test contact (S1) and resistance (R8).When contact (S1) when being depressed, the extracurrent resistance (R8) of flowing through at the fixed time, this time is depressed from contact (S1) and begins to calculate, up to contact (7) and (8) release.Normally 25 milliseconds of this time intervals.Producing extra electric current between lead (5) is sensed by transducer (L1), the detection of device (GD) after testing, and the triggering initiating device (10) of triode (Q1) and solenoid (K1B) is threaded off as above-mentioned mode, electric power system for 120V, test resistance value in the test circuit is the UL regulation, and resistance R 8 must be 15 kilo-ohms.
This GFCI10 comprises a driver module (4), and driver module (4) mainly is made up of solenoid (K1B) and triode (Q1) and triode (Q3) and other components and parts, and major function is that solenoid (K1B) drives trip gear power supply is disconnected; Operation principle: earth fault test circuit module (3) detects earth fault signal rear drive triode (Q1) and makes its conducting; and make solenoid (K1B) two ends lose voltage; also just lost the attraction of magnetic; make needle sheet and magnetostatic iron plate separating belt move tripping mechanism; out-put supply is cut off, play the earth fault protection function.
Referring to Fig. 6, showed that mechanical device is in the state of dropout.If GFCI is reset mode in operate as normal, (comprise solenoid coil (90) short circuit or open circuit when the main component aging in earth fault or inside occurring, external fault perhaps takes place to have a power failure, solenoid (90) promptly quits work, magnet fuse (94) and magnetostatic iron plate (92A) suction that just disappears, discharge moving magnet sheet (92B), at this moment movable link rod (84) along the route of arrow (240) (see figure 3) to left movement, thereby be returned to the position of original dropout, like this, make again domatic (218) of hook (220) the contact shifting stage (86) on the movable link rod (84), depress shifting stage (86), shifting stage is down moved along the F direction, when shifting stage moves downward, and then rotation of pivot point 228, the top (230) of shifting stage (86) is moved toward the left side along G direction route, promote metal lock pin (80) left along E direction route, compression lock pin spring (82) makes the lock pin circular hole break away from the groove (224) of reset lever (66), back-moving spring (64) begins to extend, just reset button pushed away like this and rise threading off, make input moving contact (48A) (48B) with load end fixed contact (54A) (54B) and (50B) separation cut power supply of output fixed contact (50A).
When movable link rod (84) is replied, just push the moving contact arm (96A) of auxiliary switch (96) open, auxiliary switch (96) is separated close, cut off the power supply of printing all electronic components on the electric line, make all non-transformer existence of electronic component.
Fig. 7 is that the homing action of explaining mechanical device is realized perspective view.When the external fault power failure taking place or, all can threading off, after giving its power supply, make GFCI restart the work that resets by pressing reset button (62) at the device of normal operation by regularly detecting GFCI.Press reset button (62), down motion (see figure 3) of A direction route, the push rod that resets (212) that the guide plate (210) that resets below the reset button (62) connects moves down along C direction route, when domatic (232) of the push rod that resets (212) and domatic contact of movable link rod (84), when reset button (62) further down on time, the movable link rod (84) that the push rod (212) that resets just promotes to be provided with returning spring (118) is along the propelling of turning right of D direction route, (referring to Fig. 3), at this moment shifting stage (86) is by the stretching force of springboard spring (114), hook the hook (220) of movable link rod (84) along pivot point (228) rising, the top (230) of shifting stage (86) is toward the right motion, discharge metal lock pin (80), lock pin spring (82) just begins to extend firmly the right motion, simultaneously, the conical head (226) of reset lever (66) passes along with reset button presses down in the circular hole of metal lock pin (80), and the groove (224) of reset lever (66) just joins with lock pin (80).At this moment moving magnet (92B) contacts with solenoid (90) to the right simultaneously.Explain referring to Fig. 4.Decontrol reset button (62), back-moving spring (64) just begins to extend, driving reset lever (66) like this rises, the reset lever of being pinned by lock pin (66) rises (figure shows) simultaneously with being equipped with two input moving contact arms (46A) and lifter (74) (46B), the GFCI device just is in on-state, and promptly two input moving contacts (48B) (50B) contact with two load fixed contacts (54B).After reset operation was finished, the GFCI bi-colour LED (102) of normal operation will send green light, and GFCI is good in prompting.
Fig. 8 is the operation principle schematic diagram of the automatic monitoring operation troubles circuit among Fig. 5 of the present invention, further explains the realization of monitoring the caution of operation troubles and indicator light automatically.Automatically monitor operation troubles circuit module (2), by integrated package CD4093BC is core processing, this supervisory circuit module (2) is made up of three big systems: master control system (2-1), supervisory control system (2-2), indication mechanism (2-3) form a self-action monitoring warning circuit.
Master control system (2-1) is in order to automatic scan and produces analogue ground fault and the indicator light that triggers in the indication mechanism.This circuit produces periodically, and droped beat dashes, in order to drive, and pulse duration is defined in 2.4 milliseconds, and just 2.4 milliseconds of the durations of analogue ground fault, trigger also simultaneously that indication mechanism is used for that prompting is reported to the police and make comparisons and be used for judging the fine or not state of this GFCI with the comparator of supervisory control system engineering; Form by following components and parts: resistance R 20, resistance R 23 and capacitor C 13 each end are connected together, resistance R 20, triode Q5, resistance R 15 and resistance R 12 and each end are connected on the emitter of triode (Q5), each end of resistance R 23 and triode Q5 is connected, each end of triode Q5 and resistance R 18 is connected together, capacitor C 13 and capacitor C 11 each end are connected to power end, resistance R 18, each end of capacitor C 11 and resistance R 16 is connected on integrated package U2A and 1 pin and 2 pin, resistance R 16 and capacitor C 12 each end are connected on 3 pin of integrated package U2A, resistance R 15 and capacitor C 12 each end are connected on 5 pin and 6 pin of integrated package U2B, resistance R 19, resistance R 5, each end of diode D9 and resistance R 14 is connected on 4 pin of integrated package U2B, each end of resistance R 19 and the 4th triode Q4 is connected together, triode Q4 and resistance R 12 each end are connected together, and triode Q4 one end is connected on the ground wire N that passes behind signal transformer L1 and the neutral transformer L2.
Supervisory control system (2-2) forms a supervisory circuit by detector and comparator combination, utilize the signal in capacitor C 10 coupled drive module 4,9 pin that are connected to integrated package U2C are sampled, 8 pin of the integrated package U2C formation interlock function that is connected with 11 pin of integrated package U2D, the signal that 12 pin of integrated package U2D are provided by master control system 2-1 is in order to making comparisons with 13 pin of integrated package U2D, and 11 pin of integrated package U2D cause the false tripping phenomenon in order to the alarm condition of control system 2-3 with when preventing the analogue ground fault.Form by following components and parts:
Each end of capacitor C 10, resistance R 2, resistance R 7 and triode Q1 is connected together, each end of capacitor C 10 and resistance R 13 is connected 9 pin of integrated package U2C, diode D10 and resistance R 10 each end are connected 8 pin of integrated package U2C, and be connected simultaneously on 11 pin of integrated package U2D, diode D9, resistance R 14 and capacitor C 14 and each end are connected on 12 pin of integrated package U2D, each end of resistance R 10 and triode Q3 is connected together, and an end of capacitor C 14 is connected on the ground wire N.
Indication mechanism (2-3) is done the alarm prompting with dichromatic LED, and forms indicating circuit with controllable silicon, voltage stabilizing didoe, resistance and electric capacity; When GFCI normally moves work, the dichromatic LED D3-2 green light of indicating circuit; When threading off, the dichromatic LED D3 of indicating circuit extinguishes; When operation troubles appears in GFCI, such as component aging, the life-span expires, or short circuit or open circuit, and master control system 2-1 triggers indication mechanism 2-3 by resistance R 5, and dichromatic LED D3-1 is glowed, and reminds the user must change this GFCI product.Currently used dichromatic LED D3 only is an object lesson, and alarm prompting includes, but not limited to a visual detector, a lamp, an alarm, a hearing device, a radio freqnency generator, or the suitable caution components and parts that can be used as.Visual detector can be the indicating device that flashes with frequency, reminds the user.Indication mechanism 2-3 is made up of following components and parts:
Resistance R 5, diode D10, each end of capacitor C 8 and triode Q2 is connected together, resistance R 3 and resistance R 4 and each end are connected capacitor C 1, solenoid K1B, diode D5, resistance R 2, on resistance R 7 and resistance R 1-1 and each end, diode D4 and triode Q2 and each end and resistance R 3 and resistance R 4 and each end are connected together simultaneously, voltage stabilizing didoe D4 and light-emitting diode D3-2 and each end are connected together, triode Q2 and light-emitting diode D3-1 and each end are connected together, and each end of light-emitting diode D3 and capacitor C 8 is connected on ground wire N.
Automatically monitor the operation principle of operation troubles circuit module (2), master control system (2-1) circuit is dashed in conjunction with producing droped beat by resistance R 20, capacitor C 13, triode Q5, resistance R 23, resistance R 18, capacitor C 12, integrated package U2A, integrated package U2A and R16; This droped beat dashes by resistance R 19 trigger triode Q4 amplifying signals, makes the analogue ground fault-signal; Drive triode Q2 by resistance R 5 in addition and make its conducting, and the red light (D3-1) of light-emitting diode D3 is lighted, make its work of display module; Also arrive 12 pin of U2D simultaneously by diode D9 and resistance R 14.When ground fault circuit module 1 all operate as normal, because the analogue ground fault-signal amplifies back output through ground fault circuit module 1, to driver module 4, make triode Q1 conducting, the anode of triode Q1 becomes low level, 9 pin of U2C are by capacitor C 10 couplings among the supervisory control system 2-2, make 9 pin of U2C present low level, 10 pin of U2C transfer high level to, making 12 and 13 pin of U2D is high level, 11 pin of U2D just transfer low level to, and triode Q3 is ended, and make the anode of triode Q1 return high level, and make solenoid K1B two ends keep high potential that product is threaded off, pulling into electronegative potential under the gate pole of the triode Q2 among the indication mechanism 2-3, triode Q2 extinguishes green light by red light and lights the 11 pin low levels of U2D, is shown as normal condition through diode D10 simultaneously.When ground fault circuit module 1 occur operation troubles (such as, when losing the earth fault function), because the analogue ground fault-signal can not amplify back output through ground fault circuit module 1, or less than driver module 4, maybe can not make triode Q1 conducting, the anode of triode Q1 still keeps high level, 9 pin of U2C are by capacitor C 10 couplings among the supervisory control system 2-2, make 9 pin of U2C present the high level that remains unchanged, the low level that 10 pin of U2C remain unchanged, 13 pin that make U2D are that low level and 12 pin are high level, the high level that 11 pin of U2D remain unchanged, the triode Q2 among the indication mechanism 2-3 lights luminescent diode red lamp D3-1 with regard to conducting, produces the fault alarm indication, thereby this GFCI product of prompting user has occurred operation troubles or the life-span expires, and needs to change or maintenance.
Known to those skilled in the art, drawings and Examples of the present invention are only for illustrating that function of the present invention, structure and principle should not become the restriction in the present invention's understanding; Simultaneously, the present invention at technical problem all solved and brought beneficial effect.The foregoing description may be had some change under the situation that does not break away from the principle of the invention, so protection of the present invention should be as the criterion with the theme described in claims.
Claims (19)
1. automatic protectiveness circuit arrangement of monitoring operation troubles, it comprises a ground fault circuit interrupter protective device (1), an earth fault test circuit (3), a driver module (4), with an automatic monitoring operation troubles circuit module (2), it is characterized in that: driver module (4) comprises a solenoid (90), monitors operation troubles circuit module (2) automatically and is made up of master control system (2-1), supervisory control system (2-2) and indication mechanism (2-3); Master control system (2-1) is connected on the ground wire (N) of described ground fault circuit interrupter protective device (1); Supervisory control system (2-2) is connected on the base stage of the anode of triode Q1 and triode Q3; Indication mechanism (2-3) is connected on two input power pins of described solenoid (90); The input of described automatic monitoring operation troubles circuit module (2) is connected with the output of described ground fault circuit interrupter protective device (1); The output of described automatic monitoring operation troubles circuit module (2) is connected with the input of described ground fault circuit interrupter protective device (1); Another input of described automatic monitoring operation troubles circuit module (2) is connected with the output of described driver module (4); Described master control system can form periodically gap concussion pulse; Described indication mechanism can indicate above-mentioned protectiveness circuit arrangement whether operation troubles or normal is arranged.
2. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1; it is characterized in that in described master control system (2-1); resistance R 20; each end of resistance R 23 and capacitor C 13 is connected together; resistance R 20; triode Q5; each end of resistance R 15 and resistance R 12 is connected on the anode of triode Q5; each end of resistance R 23 and triode Q5 is connected; each end of triode Q5 and resistance R 18 is connected together; each end of capacitor C 13 and capacitor C 11 is connected power supply ground; resistance R 18; each end of capacitor C 11 and resistance R 16 is connected on 1 pin and 2 pin of integrated package U2A; resistance R 16; each end of capacitor C 12 is connected on 3 pin of integrated package U2A; each end of resistance R 15 and capacitor C 12 is connected on 5 pin and 6 pin of integrated package U2B; resistance R 19; resistance R 5; diode D9 and resistance R 14 each end are connected on 4 pin of integrated package U2B; each end of resistance R 19 and triode Q4 is connected together, and the end of triode Q4 is connected on the ground wire (N) that passes behind signal transformer L 1 and the neutral transformer L2.
3. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 or 2, it is characterized in that in described supervisory control system (2-2), capacitor C 10, resistance R 2, each end of resistance R 7 and triode Q1 is connected together, each end of capacitor C 10 and resistance R 13 is connected 9 pin of integrated package U2C, diode D10 is connected 8 pin of integrated package U2C with resistance R 10 each end and is connected 11 pin of integrated package U2D simultaneously, diode D9, each end of resistance R 14 and capacitor C 14 is connected on 11 pin of integrated package U2D, each end of resistance R 10 and triode Q3 is connected together, and an end of capacitor C 14 is connected on the ground wire (N); Capacitor C 10 is coupled to the signal on the triode Q1 anode in the driver module (4) on 9 pin of integrated package U2C, after integrated package U2C amplifies, again after integrated package U2D makes comparisons, in the output driver module (4) conducting of triode Q3 or by and the state of lighting or extinguishing of indication mechanism (2-3).
4. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 or 2, it is characterized in that in described indication mechanism (2-3), each end of resistance R 5, triode D10, capacitor C 8 and triode Q2 is connected together, each end of resistance R 3 and resistance R 4 is connected on each end of capacitor C 1, solenoid K1B, diode D5, resistance R 2, resistance R 7 and resistance R 1-1, and each end of diode D4 and triode Q2 and each end of resistance R 3 and resistance R 4 are connected together simultaneously; Each end of voltage stabilizing didoe D4 and light-emitting diode D3-2 is connected together, and each end of controllable silicon Q2 and light-emitting diode D3-1 is connected together, and each end of light-emitting diode D3 and capacitor C 8 is connected on the ground wire (N); Described master control system (2-1) triggers indication mechanism (2-3) by resistance R 5, and light-emitting diode D3-1 is lighted, and triggers supervisory control system (2-2) by diode D10, and control light-emitting diode D3-1 lights or extinguishes.
5. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 is characterized in that described indication mechanism comprises a visual caution.
6. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 5 is characterized in that described visual caution comprises a dichromatic LED.
7. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 6 is characterized in that comprising at least in the described dichromatic LED a kind of color representative dropout indication.
8. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 6 is characterized in that comprising in the described dichromatic LED a kind of color indication operation troubles.
9. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 8 is characterized in that providing in the described visual caution one-period flicker in order to the prompting end of life.
10. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 9, the color that it is characterized in that described prompting end-of-life warning is red.
11. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 5 is characterized in that can sending in the described visual caution green glow in order to the prompting normal operating condition.
12. the protectiveness circuit arrangement of the automatic monitoring operation troubles described in claim 1 is characterized in that described indication mechanism (2-3) comprises the alarm reminder that can hear.
13. the protectiveness circuit arrangement of the automatic monitoring operation troubles described in claim 1 is characterized in that described indication mechanism (2-3) comprises a warning indicator via the RF wireless transmission.
14. the protectiveness circuit arrangement of the automatic monitoring operation troubles described in claim 1 is characterized in that described indication mechanism (2-3) comprises a warning indicator via carrier transmission.
15. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1; it is characterized in that it also comprises the life-span system that expires; be connected on the base stage of triode Q1 anode in the described driver module (4) and triode Q3, can be in described automatic monitoring operation troubles circuit module (2) activated life alarm that expires during to a kind of analogue ground fault-signal response failure of master control system (2-1) manufacturing.
16. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 is characterized in that described automatic monitoring operation troubles circuit module (2) is used for a GFCI socket.
17. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 is characterized in that described automatic monitoring operation troubles circuit module (2) is used for a GFCI plug.
18. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 is characterized in that described automatic monitoring operation troubles circuit module (2) is used for a GFCI circuit breaker.
19. the protectiveness circuit arrangement of automatic monitoring operation troubles as claimed in claim 1 is characterized in that described automatic monitoring operation troubles circuit module (2) is used for a GFCI switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100398201A CN101295609B (en) | 2007-04-24 | 2007-04-24 | Circuit protection device for automatically monitoring operation disturbance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100398201A CN101295609B (en) | 2007-04-24 | 2007-04-24 | Circuit protection device for automatically monitoring operation disturbance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101295609A CN101295609A (en) | 2008-10-29 |
| CN101295609B true CN101295609B (en) | 2011-07-27 |
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ID=40065795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100398201A Expired - Fee Related CN101295609B (en) | 2007-04-24 | 2007-04-24 | Circuit protection device for automatically monitoring operation disturbance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101295609B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493105B (en) * | 2011-11-30 | 2013-06-12 | 北京中纺精业机电设备有限公司 | Electronic weft selector output short circuit preventing and alarming device |
| CN103278725A (en) * | 2013-04-23 | 2013-09-04 | 南京南瑞继保电气有限公司 | Method for positioning grounding fault during melting of aerial earth wire |
| CN104795789B (en) * | 2015-03-20 | 2017-07-28 | 张家港市佰瑞普电器科技有限公司 | A kind of automatic monitoring circuit of earth fault earth leakage protective device |
| CN104901289B (en) * | 2015-04-27 | 2017-12-08 | 浙江三蒙电气科技有限公司 | A kind of circuit protection device of automatic monitoring operation troubles |
| CN105609382B (en) * | 2015-09-29 | 2017-10-31 | 嘉兴首信电气科技有限公司 | A kind of circuit protection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858881A (en) * | 2006-04-03 | 2006-11-08 | 温州三蒙科技电气有限公司 | Multiple protective circuit breaker device with indicating lamp and automatic monitor |
-
2007
- 2007-04-24 CN CN2007100398201A patent/CN101295609B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858881A (en) * | 2006-04-03 | 2006-11-08 | 温州三蒙科技电气有限公司 | Multiple protective circuit breaker device with indicating lamp and automatic monitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101295609A (en) | 2008-10-29 |
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