CN101630864B - Power supply line breaking protection and alarm system - Google Patents
Power supply line breaking protection and alarm system Download PDFInfo
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- CN101630864B CN101630864B CN2009101638095A CN200910163809A CN101630864B CN 101630864 B CN101630864 B CN 101630864B CN 2009101638095 A CN2009101638095 A CN 2009101638095A CN 200910163809 A CN200910163809 A CN 200910163809A CN 101630864 B CN101630864 B CN 101630864B
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- 238000009413 insulation Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 7
- 230000006378 damage Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 206010014357 Electric shock Diseases 0.000 description 6
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- 241001465754 Metazoa Species 0.000 description 5
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a power supply line breaking protection and alarm system and a device thereof. The system consist of a current leakage generation device (3), a voice player (2), a current leakage breaker (1), a current leakage grounding device (4), a wireless alarm extension (5), an alarm electric bell (6), a wireless receiving alarm mainframe (7), an online computer (8) and a siren horn (9), wherein the current leakage generation device (3) consists of an under-voltage release and a current leakage mechanism; the under-voltage release consists of a coil (15), an iron core (18), a shell (20), an ejection spring (16) and an insulated plate (17); and the current leakage mechanism consists of a movable connecting rod (22) and a lock catch plate (21). The automatic design of the invention greatly improves the service life and the reliability, effectively maintains the safety of electric grid power supply and avoids the phenomenon that broken line electrification damages the life and property of people. The invention has precise design, convenient maintenance and low cost, and is suitable to be used in power supply lines.
Description
Technical field:
The present invention relates to a kind of power supply line breaking protection and alarm system.
Background technology:
The mains supply circuit because of natural calamity, artificially steal the power supply line disconnection fault that a variety of causes such as line materials causes and happen occasionally, the people's lives and property safety is caused the serious danger side of body, this technical barrier of solution still not yet in effect so far; Because of supply line's neutral line (ground wire) broken string, make 380V live wire current reflux like the somewhere, cause the disposable 62 family household electrical appliances that burn, also have power supply line breaking to hang in the field the disposable farm cattle in somewhere, three major accidents that the labour is dead of causing; Because of the circuit phase shortage, burn the recurrent especially accident of incident of motor, electrical equipment.
Residual current action breaker (RCCB) the digitlization microcomputer-recognized intelligent type circuit breaker, the phase shortage decompression circuit breaker that generally adopt at present, all can only be in the switch end of incoming cables separating brake protection during phase shortage; Intelligent RCCB and common RCCB; To the protection of humans and animals electric shock can only partly carrying out when being hurt separating brake; Be a kind of passive protection behavior, but all can not carry out the separating brake protection, if meet the people who has no electricity knowledge all broken string states; Under certain specified conditions, in the same old way can causing death or permanent disability; If do not land behind the circuit broken string, or the pick-up point insulation property are better, can power-off protection, and existing technological N line both (zero line, ground wire) broken string definitely can not protect, N line broken string causes and burns the household electrical appliances incident and happen occasionally.
One Chinese patent application number is 200710070725.8 to disclose a kind of " electric power line failure protection multiple-pole switch system ", and it is mounted on the three-phase and four-line power line, is installed in the centralized manager A, the one-level K switch that have three-phase carrier communication function on the triple line
1-nForm system centre, be installed in the microprocessor M and the secondary switch QF that have single-phase carrier communication function on the phase line and form system's end, set up communication contact through power line between the center of system and the end; This system can only sectionalised protection, and cost is too high.
Summary of the invention:
The objective of the invention is to aim to provide a kind of safe, quick, reliable and stable power supply line breaking protection and alarm system; When this active behavior makes A, B, C, any line generation of N four lines broken string; Can in a second, force master switch separating brake protection, avoid people and animals to get an electric shock dead, wounded or disabled and burn the generation of household electrical appliances and the stolen incident of power supply equipment.
For realizing above-mentioned purpose; Power supply line breaking protection and alarm system of the present invention is made up of RCCB, speech player, electric leakage generating means, electric leakage earthing device, radio alarming extension set, warning electric bell, wireless receiving alarm host machine, online computer and siren loudspeaker; RCCB is electrically connected with transformer and supply line respectively; The RCCB working handle is connected with the speech play appliance mains switch, and is co-located on the electric pole at supply line top with speech player; A, B, C three-phase three groups of electric leakages generating means and A, B, three electric leakage earthing device of C three-phase, radio alarming extension set and warning electric bell all are arranged on the terminal electric pole of supply line; First group of electric leakage generating means is electrically connected with the A line and the B line of supply line; C is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means; Second group of electric leakage generating means is electrically connected with the B line and the C line of supply line; A is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means; The 3rd group of electric leakage generating means is electrically connected with the C line and the N line of supply line, and B is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means, and A, B, three electric leakage earthing device of C three-phase are electrically connected with the electric leakage earth connection moving contact of three groups of electric leakage generating meanss respectively; Three groups of electric leakage generating meanss cooperate with the radio alarming extension set; Three groups of electric leakage generating meanss cooperate with the warning electric bell, and the radio alarming extension set is electrically connected with supply line, and the radio alarming extension set is responsible for transmitting to the wireless receiving alarm host machine; The wireless receiving alarm host machine is electrically connected with online computer and siren loudspeaker respectively, and the wireless receiving alarm host machine can be dialed automatically and set phone (comprising mobile phone and base).
The electric leakage generating means is made up of with electric leakage mechanism under-voltage release, and under-voltage release is made up of coil, iron core, housing, power spring and insulation board, and top, insulation board two ends is provided with two groups of moving contacts; One group is electric leakage earth connection moving contact, and another group connects the moving contact that is connected with warning electric bell cathode power supply line for wireless transmitting unit cathode power supply line, and electric leakage mechanism is made up of movable connecting rod and locking board; Be fixedly connected tension spring in the movable connecting rod upper outside, the other end of tension spring is fixed on the mounting panel, under the transverse slat of movable connecting rod top groove is set; The groove internal fixation connects an end of spring; The spring other end is fixedly connected electric leakage ground connection phase fixed contact, and draw-in groove is set on the locking board, and the power spring upper end is fixed on the mounting panel; The power spring lower end is fixedly connected with draw-in groove on the locking board; The bottom of locking board one end is provided with catching groove, on the transverse slat of movable connecting rod top clasp is set, the end of movable connecting rod lower knuckle and end in contact down unshakable in one's determination; Electric leakage earth connection moving contact on the insulation board and the electric leakage ground connection of electric leakage in the mechanism fixed contact mutually cooperate; Can make the phase power ground electric leakage in the three phase mains in moment; Be arranged on the moving contact that moving contact that the wireless transmitting unit cathode power supply line of the radio alarming extension set on the insulation board connects is connected with warning electric bell cathode power supply line and be arranged on the fixed contact cooperation that fixed contact that the wireless transmitting unit cathode power supply of the radio alarming extension set of moving contact above corresponding is connected is connected with warning electric bell cathode power supply; Radio alarming extension set and warning electric bell are worked simultaneously, realize the multiple alarm purpose.
When causing power supply line breaking by natural calamity and artificial destruction; Coil in the under-voltage release of electric leakage generating means loses electric current, electromagnetic induction magnetic field is disappeared, under the effect of power spring; Iron core is being with upwards operation of insulation board; Two groups of moving contacts that make top, insulation board two ends respectively with radio alarming extension set and warning electric bell fixed contact and electric leakage ground connection fixed contact butt energized mutually, make the work of electric leakage earthing device, the instant earthing electric leakage; Force the protection of RCCB separating brake, avoid taking place people and animals and get an electric shock and the household electrical appliances burnout failure; The separating brake of RCCB master switch is broken off, and the automatic conducting speech player of divide-shut brake working handle working power when separating brake breaks off makes speech player play voice " I report to the police, destroy electrical network and violate the law ", to warn stealer; The warning electric bell is sounded on one side; To remind local people and electrician, artificially steal transformer and the circuit broken string that the power supply equipment causes in this way, can take immediate steps and arrest the robber and bring to justice; Make the work of radio alarming extension set on one side, the radio alarming extension set sends signal to the wireless receiving alarm host machine; After the wireless receiving alarm host machine receives signal, reception information is sent to online computer, store information, in order to examination, not drop-out has a power failure also; On one side original setting phone is all put through, thus with the information that the circular accident takes place make the staff can be in time, accurately handling problem; On one side connect the siren loudspeaker, the siren loudspeaker are sounded and wake staff on duty up and in time handle problems; In 1 second, accomplish the system work process that electric leakage, outage, signal emission, speech play, warning electric bell are sounded.
The warning electric bell also can be installed in local electrician's family, by storage battery power supply.
The wireless receiving alarm host machine can receive warning address, 001-255 road and code, and time of fire alarming shows with digital, stores for future referencely automatically, connects computer through the RS-232 serial ports, carries out real-time computer on-line information management.
The radio alarming extension set is connected on the terminal circuit of supply line; The radio alarming extension set is provided with sensor terminal; Supply to connect detector and transducer usefulness; Detector detects that A-A is disconnected mutually, B-B is disconnected mutually, C-C is disconnected mutually, after Intelligent treatment, sends information to the wireless receiving alarm host machine with wireless transmission method, and its transmission range is more than 20 kilometers; The radio alarming extension set can be supported 20 days direct current supply by storage battery power supply when grid power blackout.
Wireless receiving alarm host machine, online computer and siren loudspeaker are installed in power supply station's night shift room.
All component devices all are arranged in the corresponding distribution box.
Power supply line breaking protection and alarm system of the present invention compared with prior art has following excellent effect:
End in supply line adopts three groups of electric leakage generating meanss and the combination of electric leakage earthing device; When the A of supply line, B, C, any line of N line or multi-thread generation are broken; In the generating means one group or two groups of three groups of electric leakages is started working; With certain phase power supply moment of setting be connected to the electric leakage earth connection, the master switch separating brake broken off, the warning electric bell sounds, conducting radio alarming extension set sends signal, speech player is started working; The safe operation of supply line has been guaranteed in reaction so fast, having avoided the generation of electric shock injury and household electrical appliances burnout failure comprehensively; Be a kind of active behavior, having overcome prior art can only be in the humans and animals passive present situation and the incomplete defective of protection that the rear section can the separating brake protection of getting an electric shock.
End in supply line is installed radio alarming extension set and warning electric bell; When making supply line that broken string take place because of natural calamity with the artificial electric wire of stealing transformer, supply line, the radio alarming extension set sends signal to the wireless receiving alarm host machine that with the township or with the county is unit immediately, and the wireless receiving alarm host machine shows place and the alert code that has an accident; Make power supply management department grasp the truth live telecast of each supply line in the very first time; Electric bell is reported to the police can warn electrician or near resident, reacts rapidly, puts in place fast, and stealer is difficult to successfully; Effectively take precautions against the power supply equipment and circuit is destroyed, stolen incident takes place, guarantee electric power netting safe running.
Utilize the function of electric leakage generating means; The stand-by power supply that is directly connected to radio alarming extension set signal transmitter unit is set in the radio alarming extension set; When the sensor detector of radio alarming extension set and micro processor break down; The radio alarming extension set still can send alarm signal accurately, rapidly, makes system works stable, reliable.
The moving contact and the fixed contact of electric leakage generating means all adopt the soft connection of spring to fix; After the energising of fixed contact and moving contact is leaked electricity, simultaneously, be moving contact and fixed contact butt Yi Bian connect the mains switch of radio alarming extension set and warning electric bell; Make warning electric bell and the work of radio alarming extension set; The iron core of under-voltage release continues upwards operation, makes the work of electric leakage mechanism, and the clasp of movable connecting rod separates with the catching groove of locking board; Movable connecting rod is moved fixed contact often to open to and is treated the service position under the effect of tension spring; When supply line restored electricity, the coil electricity of the under-voltage release of electric leakage generating means produced magnetic field; The center iron core is being with insulation board to move downwards, and movable connecting rod lower end bend is moved, thereby promotes the motion of movable connecting rod top; Leak electricity mechanism under the effect of power spring this moment; Clasp and catching groove are fastened, return to the normally closed operating state of treating of electric leakage mechanism, but all moving contacts and fixed contact keep released state; So the stability and the reliability of whole system guaranteed in design, is a kind of full-automatic, system that need not dependent manual operation.
The The Automation Design of breaking protection and alarm system has greatly improved the life-span of continuous use and the reliability of performance; Safeguarded the fail safe of mains supply effectively; People's lives and properties are damaged the generation of phenomenon thereby having avoided breaks, design is accurate, and is easy to maintenance; Cheap, be suitable for being widely used in the supply line.
Description of drawings:
Fig. 1 is a working procedure block diagram of the present invention.
Fig. 2 is an operation principle sketch map of the present invention.
Fig. 3 is three groups of structural representations that the electric leakage generating means is often opened.
Fig. 4 is three groups of normally closed structural representations of electric leakage generating means.
Fig. 5 is three groups of electric leakage generating meanss and radio alarming extension set annexation sketch map.
Wherein 1, be RCCB, 2, be speech player, 3, be the electric leakage generating means, 4, be the electric leakage earthing device, 5, be the radio alarming extension set; 6, for the warning electric bell, 7, be the wireless receiving alarm host machine, 8, be online computer, 9, be the siren loudspeaker, 10, be storage battery; 11, for the power transformation device, 12, be supply line, 13, be electric pole, 14, be the earth connection moving contact that leaks electricity; 15, be coil, 16, be power spring, 17, be insulation board, 18, be unshakable in one's determination; 19, be that wireless transmitting unit cathode power supply line connects the moving contact be connected with warning electric bell cathode power supply line, 20, be housing, 21, be locking board, 22, be movable connecting rod; 23, be tension spring, 24, be electric leakage ground connection phase fixed contact, 25, be catching groove, 26, be clasp; 27, be draw-in groove, 28, be groove, 29, be spring, 30, the fixed contact that is connected and is connected for the wireless transmitting unit cathode power supply with warning electric bell cathode power supply.
Embodiment:
Shown in Figure 1, when causing supply line's 12 broken strings because of natural calamity and artificial destruction, the coil 15 in the under-voltage release of electric leakage generating means 3 loses electric current; Electromagnetic induction magnetic field disappears; Under the effect of power spring 16, unshakable in one's determination 18 are being with upwards operation of insulation board, two groups of moving contacts that make top, insulation board two ends respectively with radio alarming extension set 5 and warning electric bell 6 fixed contacts and electric leakage ground connection fixed contact 24 butt energized mutually; Make 4 work of electric leakage earthing device; The protection of RCCB separating brake is forced in the instant earthing electric leakage, avoids taking place people and animals and gets an electric shock and the household electrical appliances burnout failure; The separating brake of RCCB 1 master switch is broken off; Broken string is stopped power supply, and automatic conducting speech player 2 working powers of divide-shut brake working handle when separating brake breaks off make speech player 2 play voice " I report to the police; destroy electrical network and violate the law ", to warn stealer; On one side warning electric bell 6 is sounded,, artificially steal transformer and the circuit broken string that the power supply equipment causes in this way, can take immediate steps and arrest the robber and bring to justice to remind local people and electrician; Make 5 work of radio alarming extension set on one side, radio alarming extension set 5 sends signal to wireless receiving alarm host machine 7; After wireless receiving alarm host machine 7 receives signal, reception information is sent to online computer 8, store information is in order to examination; On one side original setting phone is all put through, thus with the information that the circular accident takes place make the staff can be in time, accurately handling problem; On one side connect siren loudspeaker 9, siren loudspeaker 9 are sounded and wake staff on duty up and in time handle problems; In 1 second, accomplish the system work process that electric leakage, outage, speech play, signal emission, warning electric bell sound.
Power supply line breaking protection and alarm system shown in Figure 2 is made up of electric leakage generating means 3, speech player 2, RCCB 1, electric leakage earthing device 4, radio alarming extension set 5, warning electric bell 6, wireless receiving alarm host machine 7, online computer 8 and siren loudspeaker 9; RCCB 1 is electrically connected with transformer and supply line 12 respectively; RCCB 1 working handle is connected with speech player 2 mains switches, and is co-located on the electric pole 13 at supply line 12 tops with speech player 2; A, B, three groups of electric leakages of C three-phase generating means 3 all are arranged on the electric pole 13 of supply line's 12 ends with A, B, three electric leakage earthing device 4 of C three-phase, radio alarming extension set 5 and warning electric bell 6; First group of electric leakage generating means 3 is electrically connected with the A line and the B line of supply line 12; C is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means; Second group of electric leakage generating means 3 is electrically connected with the B line and the C line of supply line 12; A is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means; The 3rd group of electric leakage generating means 3 is electrically connected with the C line and the N line of supply line 12, and B is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means, and A, B, three electric leakage earthing device 4 of C three-phase are electrically connected with the electric leakage earth connection moving contact 14 of three groups of electric leakage generating meanss 3 respectively; Three groups of electric leakage generating meanss 3 cooperate with radio alarming extension set 5; Three groups of electric leakage generating meanss 3 cooperate with warning electric bell 6, and radio alarming extension set 5 is electrically connected with supply line 12, and radio alarming extension set 5 is responsible for transmitting to wireless receiving alarm host machine 7; Wireless receiving alarm host machine 7 is electrically connected with siren loudspeaker 9 with online computer 8 respectively, and wireless receiving alarm host machine 7 can be dialed automatically and set phone (comprising mobile phone and base); Storage battery 10 provides DC power supply for radio alarming extension set 5 and warning electric bell 6.
Fig. 3, electric leakage generating means 3 shown in Figure 4 are made up of under-voltage release and electric leakage mechanism, and under-voltage release is made up of coil 15, iron core 18, housing 20, power spring 16 and insulation board, and top, insulation board two ends is provided with two groups of moving contacts; One group is electric leakage earth connection moving contact 14; Another group connects the moving contact that is connected with warning electric bell cathode power supply line for wireless transmitting unit cathode power supply line, and electric leakage mechanism is made up of movable connecting rod 22 and locking board 21, is fixedly connected tension spring 23 in movable connecting rod 22 upper outside; The other end of tension spring 23 is fixed on the mounting panel; Under the movable connecting rod 22 top transverse slats groove is set, the groove internal fixation connects an end of spring 29, and spring 29 other ends are fixedly connected electric leakage ground connection phase fixed contact 24; Draw-in groove 27 is set on the locking board 21; Power spring 16 upper ends are fixed on the mounting panel, and power spring 16 lower ends are fixedly connected with draw-in groove 27 on the locking board 21, and the bottom of locking board 21 1 ends is provided with catching groove 25; On the movable connecting rod 22 top transverse slats clasp 26 is set, the end of movable connecting rod 22 lower knuckles and 18 times end in contact unshakable in one's determination; Electric leakage earth connection moving contact 14 on the insulation board of electric leakage generating means 3 and fixed contact 24 cooperations mutually of electric leakage ground connection; Can make the phase power ground electric leakage in the three phase mains in moment; The fixed contact 30 that the fixed contact 30 that the moving contact 19 that the moving contact 19 that the wireless transmitting unit cathode power supply line of radio alarming extension set 5 connects is connected with warning electric bell cathode power supply line is connected with the wireless transmitting unit cathode power supply of radio alarming extension set 5 is connected with warning electric bell cathode power supply cooperates; Radio alarming extension set 5 and warning electric bell 6 are worked simultaneously, realize the multiple alarm purpose.
Fixed contact 30 cooperations shown in Figure 5, that the fixed contact 30 that the wireless transmitting unit cathode power supply of corresponding radio alarming extension set 5 is connected above being arranged on moving contact 19 that moving contact 19 that the wireless transmitting unit cathode power supply line of the radio alarming extension set 5 on electric leakage generating means 3 insulation boards connects is connected with warning electric bell 6 cathode power supply lines and being arranged on moving contact is connected with warning electric bell 6 cathode power supplies.
Claims (2)
1. power supply line breaking protection and alarm system; Form by electric leakage generating means (3), speech player (2), RCCB (1), electric leakage earthing device (4), radio alarming extension set (5), warning electric bell (6), wireless receiving alarm host machine (7), online computer (8) and siren loudspeaker (9); Electric leakage generating means (3) is made up of with electric leakage mechanism under-voltage release, and under-voltage release is made up of coil (15), iron core (18), housing (20), power spring (16) and insulation board, and the top, insulation board two ends in the generating means (3) that it is characterized in that leaking electricity is provided with two groups of moving contacts; One group is electric leakage earth connection moving contact (14); Another group connects the moving contact (19) that is connected with warning electric bell cathode power supply line for wireless transmitting unit cathode power supply line, and electric leakage mechanism is made up of movable connecting rod (22) and locking board (21), is fixedly connected tension spring (23) in movable connecting rod (22) upper outside; The other end of tension spring (23) is fixed on the mounting panel; Under the transverse slat of movable connecting rod (22) top groove is set, the groove internal fixation connects an end of spring (29), and spring (29) other end is fixedly connected electric leakage ground connection phase fixed contact (24); Draw-in groove (27) is set on the locking board (21); Power spring (16) upper end is fixed on the mounting panel, and power spring (16) lower end is fixedly connected with draw-in groove (27) on the locking board (21), and the bottom of locking board (21) one ends is provided with catching groove (25); On the transverse slat of movable connecting rod (22) top clasp (26) is set, the end of movable connecting rod (22) lower knuckle and (18) unshakable in one's determination are end in contact down; RCCB (1) is electrically connected with transformer and supply line (12) respectively, and RCCB (1) working handle is connected with speech player (2) mains switch, and is co-located on the electric pole (13) at supply line (12) top with speech player (2); A, B, C three-phase three groups of electric leakages generating means (3) all are arranged on the terminal electric pole (13) of supply line (12) with A, B, three electric leakage earthing device of C three-phase (4), radio alarming extension set (5) and warning electric bell (6); First group of electric leakage generating means (3) is connected with the B line with the A line of supply line (12); C is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means; Second group of electric leakage generating means (3) is connected with the C line with the B line of supply line (12); A is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means; The 3rd group of electric leakage generating means (3) is connected with the N line with the C line of supply line (12), and B is connected as electric leakage ground connection mutually mutually and with the fixed contact of electric leakage generating means, and A, B, three electric leakage earthing device of C three-phase (4) are electrically connected with the electric leakage earth connection moving contact (14) of three groups of electric leakage generating meanss (3) respectively; Three groups of electric leakage generating meanss (3) cooperate with radio alarming extension set (5); Three groups of electric leakage generating meanss (3) cooperate with warning electric bell (6), and radio alarming extension set (5) also is electrically connected with supply line (12), and radio alarming extension set (5) transmits to wireless receiving alarm host machine (7); Wireless receiving alarm host machine (7) is electrically connected with online computer (8) and siren loudspeaker (9) respectively.
2. power supply line breaking protection and alarm system according to claim 1; It is characterized in that in every group of electric leakage earth connection moving contact (14) on electric leakage generating means (3) insulation board and the electric leakage mechanism electric leakage ground connection mutually fixed contact (24) cooperate, be arranged on the moving contact (19) that moving contact (19) that the wireless transmitting unit cathode power supply line of the radio alarming extension set (5) on electric leakage generating means (3) insulation board connects is connected with warning electric bell (6) cathode power supply line and be arranged on fixed contact (30) cooperation that fixed contact (30) that the wireless transmitting unit cathode power supply of the radio alarming extension set (5) of moving contact above corresponding is connected is connected with warning electric bell cathode power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101638095A CN101630864B (en) | 2009-08-05 | 2009-08-05 | Power supply line breaking protection and alarm system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101638095A CN101630864B (en) | 2009-08-05 | 2009-08-05 | Power supply line breaking protection and alarm system |
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| CN101630864A CN101630864A (en) | 2010-01-20 |
| CN101630864B true CN101630864B (en) | 2012-08-22 |
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| CN2009101638095A Active CN101630864B (en) | 2009-08-05 | 2009-08-05 | Power supply line breaking protection and alarm system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344869B (en) * | 2013-06-20 | 2015-08-12 | 山东大学 | A kind of wire break alarm device and alarm method being applicable to 6 ~ 35kV power distribution network |
| CN103823102B (en) * | 2014-03-11 | 2016-07-27 | 浙江怀创科技有限公司 | A kind of logical power-failure alarming device |
| CN110676824B (en) * | 2019-11-28 | 2021-03-23 | 国网江苏省电力有限公司镇江供电分公司 | 110kV line disconnection protection method for collecting bus voltage of line load end |
| CN111224384B (en) * | 2019-12-09 | 2021-02-02 | 国网江苏省电力有限公司镇江供电分公司 | Method for comparing line voltage vector difference on two sides of line and protecting line breakage by adopting loop closing and opening operation |
| CN112290415B (en) * | 2020-10-20 | 2022-09-30 | 保定朗讯电子科技有限公司 | Electric shock prevention intelligent power supply system |
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| CN1744400A (en) * | 2004-09-02 | 2006-03-08 | 薛小平 | Intelligent leakage protector |
| CN1790038A (en) * | 2005-12-05 | 2006-06-21 | 广东珠江开关有限公司 | Electric power line failure alarm apparatus |
| CN201149992Y (en) * | 2007-12-14 | 2008-11-12 | 丁广收 | Neutral line-cutting protector |
-
2009
- 2009-08-05 CN CN2009101638095A patent/CN101630864B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230060Y (en) * | 1995-06-22 | 1996-06-26 | 吴震宇 | Protective arrangement for neutral wire for disconnection |
| CN1744400A (en) * | 2004-09-02 | 2006-03-08 | 薛小平 | Intelligent leakage protector |
| CN1790038A (en) * | 2005-12-05 | 2006-06-21 | 广东珠江开关有限公司 | Electric power line failure alarm apparatus |
| CN201149992Y (en) * | 2007-12-14 | 2008-11-12 | 丁广收 | Neutral line-cutting protector |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-164375A 2008.07.17 |
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| Publication number | Publication date |
|---|---|
| CN101630864A (en) | 2010-01-20 |
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Effective date of registration: 20160727 Address after: Luo Bridge 334000 Jiangxi city of Shangrao province Shangrao County No. 166 Wen Wenjia neighborhood street office Patentee after: SHANGRAO HENGTAI ELECTRIC POWER EQUIPMENT CO., LTD. Address before: Longtan Road 334000 Jiangxi city of Shangrao province Xinzhou District No. 23 Patentee before: Xu Duorong |