CN101630864A - Power supply line breaking protection and alarm system and device thereof - Google Patents
Power supply line breaking protection and alarm system and device thereof Download PDFInfo
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- CN101630864A CN101630864A CN200910163809A CN200910163809A CN101630864A CN 101630864 A CN101630864 A CN 101630864A CN 200910163809 A CN200910163809 A CN 200910163809A CN 200910163809 A CN200910163809 A CN 200910163809A CN 101630864 A CN101630864 A CN 101630864A
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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
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 and device thereof.
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 as 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 (residual current circuit breaker) digitlization microcomputer-recognized intelligent type circuit breaker, the phase shortage decompression circuit breaker that generally adopts all can only be protected by separating brake when the phase shortage of switch end of incoming cables at present; Intelligent residual current circuit breaker and common residual current circuit breaker, to the protection of humans and animals electric shock can only partly carrying out when being hurt separating brake, it is a kind of passive protection behavior, but all can not carry out the separating brake protection to all broken string states, if meet the people who has no electricity knowledge, 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 technology 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.
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 by 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 and device thereof; 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 achieving the above object, power supply line breaking protection and alarm system of the present invention and device thereof are made up of residual current circuit breaker, 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, residual current circuit breaker is electrically connected with transformer and supply line respectively, the residual current circuit breaker 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 electric pole of supply line's end, first group of electric leakage generating means is electrically connected with the A line and the B line of supply line, C is connected mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, second group of electric leakage generating means is electrically connected with the B line and the C line of supply line, A is connected mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, the 3rd group of electric leakage generating means is electrically connected with the C line and the N line of supply line, B is connected mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, 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, 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 under-voltage release and electric leakage mechanism, under-voltage release is by coil, unshakable in one's determination, housing, power spring and insulation board are formed, top, insulation board two ends is provided with two groups of moving contacts, one group is electric leakage earth connection moving contact, 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, electric leakage mechanism is made up of movable connecting rod and locking board, movable connecting rod is set to " " type, at the fixedly connected tension spring of 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 fixedly connected electric leakage of spring other end ground connection phase fixed contact, draw-in groove is set on the locking board, the power spring upper end is fixed on the mounting panel, fixedly connected with the draw-in groove on the locking board in the power spring lower end, 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 the phase power ground in the three phase mains be leaked electricity in moment, be arranged on the fixed contact cooperation that fixed contact that 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 is connected with the wireless transmitting unit cathode power supply that is arranged on the radio alarming extension set of moving contact above corresponding 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 residual current circuit breaker separating brake, avoid taking place people and animals and get an electric shock and the household electrical appliances burnout failure; The separating brake of residual current circuit breaker master switch is disconnected, and the automatic conducting speech player of divide-shut brake working handle working power when separating brake disconnects 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 the circuit broken string that transformer and power supply equipment cause 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, finish 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 by the RS-232 serial ports, carries out real-time computer on-line information management.
The radio alarming extension set is connected on the circuit of supply line's end, the radio alarming extension set is provided with sensor terminal, use for connecting detector and transducer, detector detects that A-A is disconnected mutually, B-B is disconnected mutually, C-C is disconnected mutually, send information to the wireless receiving alarm host machine with wireless transmission method after Intelligent treatment, 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 and device thereof compared with prior art have following excellent effect:
End in supply line adopts three groups of electric leakage generating meanss and the combination of electric leakage earthing device; as the A of supply line; B; C; when any line of N line or multi-thread generation broken string; in the generating means one group or two groups of three groups of electric leakages is started working; certain phase power supply moment of setting is connected to the electric leakage earth connection; the master switch separating brake is disconnected; the warning electric bell sounds; conducting radio alarming extension set sends signal; speech player is started working; reaction so fast; guaranteed the safe operation of supply line; 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, because of natural calamity and artificial stealing transformer, when the electric wire of supply line makes supply line that broken string take place, 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, 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, reaction rapidly, put in place fast, stealer is difficult to successfully, it is destroyed effectively to take precautions against power supply equipment and circuit, stolen incident takes place, and guarantees 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, the mains switch of connecting radio alarming extension set and warning electric bell on one side is moving contact and fixed contact butt, make warning electric bell and the work of radio alarming extension set, the iron core of under-voltage release continues upwards operation, make the work of electric leakage mechanism, 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 restores electricity, the coil electricity of the under-voltage release of electric leakage generating means, produce 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 for the treatment of 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; thereby avoided broken string people's lives and properties to be damaged the generation of phenomenon; design is accurate; easy to maintenance; cheap, be suitable for being extensive use of 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 schematic diagram 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 schematic diagram.
Wherein 1, be residual current circuit breaker, 2, be speech player, 3, be the electric leakage generating means, 4, be electric leakage earthing device, 5, be radio alarming extension set, 6, be the warning electric bell, 7, be the wireless receiving alarm host machine, 8, be online computer, 9, be siren loudspeaker, 10, be storage battery, 11, be the power transformation device, 12, be supply line, 13, be electric pole, 14, be electric leakage earth connection moving contact, 15, be coil, 16, be power spring, 17, be insulation board, 18, be iron core, 19, connect the moving contact that is connected with warning electric bell cathode power supply line for wireless transmitting unit 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, 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 17, two groups of moving contacts that make top, insulation board 17 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 instant earthing electric leakage, force the protection of residual current circuit breaker separating brake, avoid taking place people and animals and get an electric shock and the household electrical appliances burnout failure; The separating brake of residual current circuit breaker 1 master switch is disconnected, broken string is stopped power supply, and automatic conducting speech player 2 working powers of divide-shut brake working handle when separating brake disconnects 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 the circuit broken string that transformer and power supply equipment cause 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, finish 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 and device thereof are made up of electric leakage generating means 3, speech player 2, residual current circuit breaker 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, residual current circuit breaker 1 is electrically connected with transformer 11 and supply line 12 respectively, residual current circuit breaker 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, C three-phase three groups of electric leakages generating means 3 and A, B, three electric leakage earthing device 4 of C three-phase, radio alarming extension set 5 and warning electric bell 6 all are arranged on the electric pole 13 of supply line's 12 ends, 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 mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, 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 mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, the 3rd group of electric leakage generating means 3 is electrically connected with the C line and the N line of supply line 12, B is connected mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, 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, 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 online computer 8 and siren loudspeaker 9 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 is made up of under-voltage release and electric leakage mechanism, under-voltage release is by coil 15, unshakable in one's determination 18, housing 20, power spring 16 and insulation board 17 are formed, top, insulation board 17 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, electric leakage mechanism is made up of movable connecting rod 22 and locking board 21, movable connecting rod 22 is set to " " type, at the fixedly connected tension spring 23 of 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 28 is set, groove 28 internal fixation connect an end of spring 29, the fixedly connected electric leakage of spring 29 other ends 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, fixedly connected with the draw-in groove 27 on the locking board 21 in power spring 16 lower ends, 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 17 of electric leakage generating means 3 and fixed contact 24 cooperations mutually of electric leakage ground connection, can the phase power ground in the three phase mains be leaked electricity 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 17 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 (3)
1, a kind of power supply line breaking protection and alarm system, by electric leakage generating means (3), speech player (2), residual current circuit breaker (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) are formed, it is characterized in that residual current circuit breaker (1) is electrically connected with transformer (11) and supply line (12) respectively, residual current circuit breaker (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) and A, B, three electric leakage earthing device of C three-phase (4), radio alarming extension set (5) and warning electric bell (6) all are arranged on the terminal electric pole (13) of supply line (12), 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 mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, 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 mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, the 3rd group of electric leakage generating means (3) is connected with the N line with the C line of supply line (12), B is connected mutually and with the fixed contact of electric leakage generating means as electric leakage ground connection mutually, 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), 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; electric leakage generating means (3) in the described power supply line breaking protection and alarm system of claim 1 is made up of under-voltage release and electric leakage mechanism; under-voltage release is by coil (15); (18) unshakable in one's determination; housing (20); power spring (16) and insulation board (17) are formed; it is characterized in that insulation board (17) top, 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 (19) that is connected with warning electric bell cathode power supply line for wireless transmitting unit cathode power supply line; electric leakage mechanism is made up of movable connecting rod (22) and locking board (21); movable connecting rod (22) is set to " " type; at the fixedly connected tension spring of movable connecting rod (22) upper outside (23); the other end of tension spring (23) is fixed on the mounting panel; under the transverse slat of movable connecting rod (22) top groove (28) is set; groove (28) internal fixation connects an end of spring (29); spring (29) other end 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; fixedly connected with the draw-in groove (27) on the locking board (21) in power spring (16) lower end; 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.
3; according to claim 1; 2 described power supply line breaking protection and alarm system and devices thereof; it is characterized in that leaking electricity in electric leakage earth connection moving contact (14) and the electric leakage mechanism on generating means (3) insulation board (17) 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 (17) 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.
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| CN2009101638095A CN101630864B (en) | 2009-08-05 | 2009-08-05 | Power supply line breaking protection and alarm system |
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| CN2009101638095A CN101630864B (en) | 2009-08-05 | 2009-08-05 | Power supply line breaking protection and alarm system |
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| CN101630864B CN101630864B (en) | 2012-08-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344869A (en) * | 2013-06-20 | 2013-10-09 | 山东大学 | Wire-breakage alarming device and method suitable for 6-35kV power distribution network |
| CN103823102A (en) * | 2014-03-11 | 2014-05-28 | 浙江怀创科技有限公司 | Power failure alarm method and device |
| CN110676824A (en) * | 2019-11-28 | 2020-01-10 | 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 |
| CN111224384A (en) * | 2019-12-09 | 2020-06-02 | 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 |
| CN112290415A (en) * | 2020-10-20 | 2021-01-29 | 任静 | Electric shock prevention intelligent power supply system |
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| CN2230060Y (en) * | 1995-06-22 | 1996-06-26 | 吴震宇 | Protective arrangement for neutral wire for disconnection |
| CN100435443C (en) * | 2004-09-02 | 2008-11-19 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103344869A (en) * | 2013-06-20 | 2013-10-09 | 山东大学 | Wire-breakage alarming device and method suitable for 6-35kV power distribution network |
| 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 |
| CN103823102A (en) * | 2014-03-11 | 2014-05-28 | 浙江怀创科技有限公司 | Power failure alarm method and device |
| 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 |
| CN110676824A (en) * | 2019-11-28 | 2020-01-10 | 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 |
| 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 |
| CN111224384A (en) * | 2019-12-09 | 2020-06-02 | 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 |
| CN112290415A (en) * | 2020-10-20 | 2021-01-29 | 任静 | Electric shock prevention intelligent power supply system |
| 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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| CN101630864B (en) | 2012-08-22 |
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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 |