WO2011118933A2 - Générateur de signal de déconnexion de fusible - Google Patents

Générateur de signal de déconnexion de fusible Download PDF

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Publication number
WO2011118933A2
WO2011118933A2 PCT/KR2011/001810 KR2011001810W WO2011118933A2 WO 2011118933 A2 WO2011118933 A2 WO 2011118933A2 KR 2011001810 W KR2011001810 W KR 2011001810W WO 2011118933 A2 WO2011118933 A2 WO 2011118933A2
Authority
WO
WIPO (PCT)
Prior art keywords
fuse
disconnection
signal generator
disconnection signal
sensing
Prior art date
Application number
PCT/KR2011/001810
Other languages
English (en)
Korean (ko)
Other versions
WO2011118933A3 (fr
Inventor
구석환
Original Assignee
Kwoo Seok Hwan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kwoo Seok Hwan filed Critical Kwoo Seok Hwan
Publication of WO2011118933A2 publication Critical patent/WO2011118933A2/fr
Publication of WO2011118933A3 publication Critical patent/WO2011118933A3/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity

Definitions

  • the present invention relates to a fuse disconnection signal generator for detecting a fuse disconnection and transmitting it to the outside.
  • the cutout switch (COS) is mainly installed on the primary side of the transformer to protect and open and close the transformer.
  • the cut-out switch is a single-pole switch that allows the fuse holder to open itself by gravity when the fuse inside is blown.
  • Power Fuse is a short-circuit protection fuse for high and special high voltage devices. It is a structure in which the fuse element and silicon, etc., are filled and sealed in a sealed insulation cylinder and mainly used in water substation facilities.
  • the fuse holder In the case of the cutout switch (COS) or the power fuse (PF), if the internal fuse link is broken due to a failure, the fuse holder is adopted as a drop-out method in which the fuse holder falls to the lower end, which is a reliable equipment.
  • Such a fuse-type switch is a single-phase operation type, so when it is cut off due to a failure of one phase, only the remaining two phases are supplied, causing a failure in a three-phase motor or a device using three-phase power. Up to this point, abnormal power may spread to the line, causing continuous power outages.
  • the present invention is a communication that can transmit the fuse disconnection state to the control room or the scan command room to be connected to the existing DAS system or remote management (AMR) system of accident information occurring at the property limit of high or special high pressure customers
  • the invention relates to a fuse disconnection signal generator having a built-in function.
  • the problem to be solved by the present invention can be easily mounted on the fuse holder, when the fuse is disconnected from the fuse holder, when the fuse is disconnected from the fuse disconnection signal generator for transmitting a fuse disconnection signal to the power control place To provide.
  • the sensing body formed with a cylindrical groove portion to be seated in the fuse holder; An opening formed to elastically fit the cylindrical groove into the fuse holder; Wings extending outwardly from both sides of the opening and having elasticity; It includes a disconnection detection module built into the sensing body; The disconnection detection module may provide a fuse disconnection signal generator which detects that the fuse holder is inclined to open and transmits a fuse disconnection signal to the outside.
  • the fuse disconnection signal may be a unique recognition signal for each fuse disconnection signal generator.
  • the blade portion may include a fastening device at both ends of the wing portion extended so that the fuse holder does not escape from the sensing body after inserting the fuse holder.
  • the fastening device of the fuse disconnection signal generator is formed hook portion that is bent outward at one end of the wing portion, the hook portion and the lower end of the hook portion can be hooked on the hook portion
  • Both sides are coupled and one side includes a ring portion cover hinged to the other end of the wing portion is rotatably formed, and may be fastened by rotating the ring portion cover by hooking the ring portion to the bent hook portion.
  • the disconnection detection module may include a detection unit for generating a control signal by detecting that the fuse holder is open and inclined; A power supply unit supplying power to the disconnection detection module; A transmitter for transmitting a fuse break signal to the outside; It may include a control unit for controlling the detection unit and the power supply unit to operate the transmitter.
  • the battery of the power supply unit is inserted into the inner groove to be removable and inserted from the outside and the battery cover is mounted on the outside, the disconnection detection module except the battery may be molded integrally to the sensing body.
  • the fuse disconnection signal generator includes a charging unit in the disconnection detection module, a rechargeable secondary battery in the power supply unit, and a power generated by mounting a solar cell module outside the detection module. Sending to the charging unit may further include charging a secondary battery.
  • the fuse disconnection signal generator of the present invention can be mounted to a fuse holder of COS or PF.
  • the fuse disconnection signal generator of the present invention can be easily installed in a pre-installed fuse holder, it is easy to install without an additional device.
  • the fuse disconnection signal generator of the present invention can remotely recognize the disconnection of the fuse to facilitate emergency response of an accident.
  • the ripple effect due to the disconnection accident can be reduced.
  • the fuse disconnection signal generator of the present invention since it can be charged by a solar cell or an induction current, it is easy to manage because it can be used for a long time without any maintenance work.
  • FIG. 1 illustrates a fuse disconnection signal generator according to an embodiment of the present invention.
  • FIG. 2 illustrates a fuse disconnection signal generating device equipped with a cicada ring fastening device according to another embodiment of the present invention.
  • Figure 3 shows a fuse disconnection signal generating device equipped with a butterfly fastening device according to another embodiment of the present invention.
  • FIG. 4 shows a state in which a fuse disconnection signal generator is mounted on a COS switch into which a fuse holder 40 is inserted.
  • FIG. 5 illustrates a state in which a fuse disconnection signal generator is mounted on a fuse holder 40 in which a fuse is disconnected from the COS switch and is lowered.
  • FIG. 6 is a block diagram illustrating a technical configuration of a disconnection detection module according to an embodiment of the present invention.
  • FIG. 7 shows that the induction coil 63 for charging is mounted in the sensing body 10 as an embodiment of the present invention.
  • charging unit 62 solar cell module
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • FIG. 1 is a block diagram illustrating a fuse disconnection signal generator according to an exemplary embodiment of the present invention
  • FIG. 4 illustrates a state in which a fuse disconnection signal generator is mounted on a COS switch into which a fuse holder 40 is inserted.
  • the fuse disconnection signal generator according to an embodiment of the present invention, the sensing body 10, the cylindrical trough 11, the opening 12, the wing 13 and the disconnection detection module 14 It includes.
  • the sensing body 10 has a cylindrical groove portion 11 is formed so that the fuse holder 40 of FIG. 4 can be seated, as shown in FIGS. That is, the fuse holder 40 is inserted into the cylindrical trough 11, so that the sensing body 10 is mounted to the fuse holder 40.
  • An opening 12 is formed at one side of the cylindrical trough 11 to elastically fit into the fuse holder 40, and extends in an outward direction on both sides of the opening, and a wing 13 having elasticity is formed.
  • the inner diameter of the cylindrical trough 11 may be manufactured to the same size as the outer diameter of the fuse holder 40 so that the fuse holder 40 can be fixed in a seated state.
  • the fuse holder 40 may be manufactured to be slightly smaller than the outer diameter of the fuse holder 40 to be fixed to the fuse holder 40 by the friction force.
  • the opening 12 and the wing 13 are made of an elastic material, and the gap between the opening 12 and the wing 13 is formed to be smaller than the outer diameter of the fuse holder, so that the fuse holder 40 is seated. After being made, it can be prevented from being detached by natural forces applied from the outside such as wind.
  • the wing part 13 and the opening part 12 of the fuse disconnection signal generator are made of an elastic material, and when the wing part 13 is slightly opened and pushed into the fuse holder, the fuse holder is a cylindrical groove part of the sensing body 10. Since the wing 13 and the opening 12 seated and opened at 11 are slightly closed in the original shape, the mounting is completed as shown in FIG. 4.
  • the disconnection detection module 14 includes a gravity sensor 30 such as a mercury contact switch or a detection sensor such as a position detection switch.
  • a gravity sensor 30 such as a mercury contact switch or a detection sensor such as a position detection switch.
  • the fuse holder 40 When the wing 13 of the fuse breakage signal generator as shown in FIG. 1 is slightly opened and pushed into the fuse holder 40, the fuse holder 40 may have a cylindrical groove 11 of the fuse breakage signal generator 10. In the seated state is mounted as shown in Figure 4 by the elasticity of the wing portion 13, the fuse holder 40 and the fuse disconnection signal generator is not easily separated.
  • a fastening device may be mounted at the end of the wing part 13.
  • the fastening device is installed at both ends 13 of the extended wing, and after the fuse holder is inserted, the fastening device is firmly tightened and stably fixed.
  • the above fastening device may be installed by utilizing a bolt and nut, a butterfly fastening device, a cicada ring fastening device, and the like.
  • FIG. 2 is a block diagram illustrating an apparatus for generating a fuse disconnection signal having a fastening device according to another exemplary embodiment of the present invention.
  • the fastening device of FIG. 2 has a hook portion 24 that is bent outwardly at one end of the wing portion 23, and is hooked with the hook portion 25 to which the upper end can be hooked on the hook portion 24. Both ends of the lower portion of the portion 25 is coupled and one side includes a ring portion cover 26 is hinged to the other end of the wing portion 23 is formed rotatably.
  • the hook portion 25 of the fastening device is hooked on the hook portion 24 to cover the hook portion 26.
  • the pulley is rotated in a direction opposite to the hook portion 24, the two wing portions 23 are elastically tightened, so that the sensing body 20 is firmly mounted without being separated from the fuse holder 40.
  • Figure 3 shows a fuse disconnection signal generating device equipped with a butterfly fastening device according to another embodiment of the present invention.
  • the fastening device forms a fastening hole on both sides of the wing portion 13 and can be simply fastened with a butterfly nut 28 by inserting a bolt 29 having a butterfly handle 27 into the fastening hole.
  • FIG. 4 is a view illustrating a state in which a fuse disconnection signal generator is mounted on a COS switch into which a fuse holder 40 is inserted
  • FIG. 5 is a fuse disconnection to a fuse holder 40 which is disconnected downward by disconnecting a fuse link from a COS switch. It is a figure which shows the state which mounted the signal generator.
  • FIG. 4 and 5 illustrate a mercury switch used as a detection sensor according to another embodiment of the present invention.
  • Reference numeral 41 denotes a support insulator 41 for insulating the COS switch from the support hole
  • reference numeral 30 denotes a mercury switch 30 embedded in the sensing bodies 10 and 20.
  • the ejection 43 installed at the lower end of the fuse holder 40 is in a state in which the spring interlocked with the ejection 43 is pulled by the tension of the fuse lead wire 42. .
  • the fuse link inside the fuse holder 40 of the COS switch is disconnected due to an accident current or the like, the ejection 43 of the fuse lead wire 42 is released by the force of the spring which is pulled while the tension of the fuse lead wire 42 is released.
  • the fuse holder 40 is separated from the COS switch at a cost.
  • the fuse holder 40 When the fuse holder 40 is separated from the COS switch, as shown in FIG. 5, the fuse holder 40 falls down by the weight of the fuse holder 40.
  • the mercury of the mercury switch embedded in the sensing body (10, 20) is in contact with the two contact terminals (32, 33), as shown in Figure 5, the power is supplied to the disconnection detection module 14, the disconnection signal to the outside Will be sent.
  • FIG. 6 is a block diagram illustrating a technical configuration of the disconnection detection module 14 including the operation circuit units according to an embodiment of the present invention.
  • the disconnection detection module 14 includes a detector 54, a power supply 51, a transmitter 53, and a controller 52.
  • the detector 54 detects that the fuse holder 40 is inclined to open and generates a detection signal.
  • the sensing unit 54 generates a switching signal which is a sensing signal by a sensing sensor. Any one of a gravity switch, a mercury switch, and a position sensor may be used as the sensing sensor.
  • the power supply unit 51 supplies power to the disconnection detection module 14.
  • the power supply unit includes a battery for supplying power.
  • a primary battery such as a mercury battery, an alkaline battery, or a rechargeable secondary battery may be used.
  • the power supply unit 51 controls the on / off to turn off the power by a simple operation from the outside of the sensing bodies 10 and 20 when the battery is replaced or not in use, such as a test.
  • An external switch 15 may be included.
  • the transmitter 53 receives a power supply and a control signal from the controller 52 and transmits a fuse break signal to the outside.
  • the fuse disconnection signal is transmitted as a unique recognition signal for each fuse disconnection signal generator, and the central command room receives it and immediately knows where the fuse is disconnected.
  • the transmission method of the fuse disconnection signal is transmitted to the control room or the scan command room using a network such as CDMA, or the fuse disconnection signal is transmitted to the repeater port installed at a certain interval by using RF communication.
  • a control room or injection order room which is a remote control site.
  • the transmitting unit 53 may include a transmitting antenna.
  • the transmitting antenna may be internally installed or an antenna may be installed inside the handle using a handle of an external switch 15 installed outside the sensing bodies 10 and 20.
  • the control unit 52 receives the detection signal from the detection unit 54 and generates a control signal so that the transmission unit 53 can transmit the fuse disconnection signal.
  • the control unit 52 cuts off the power of the entire circuit or the transmitter 53 to suppress power consumption, and only when the fault current or other reasons operate, the power of the entire circuit or the transmitter 53 is turned off.
  • the fuse break signal may be transmitted to an external system such as a repeater or a central command room through a transmitter.
  • controller 52 may cut off the power supply of the entire circuit or the transmitter 53 when a predetermined time elapses after the fuse disconnection signal is sent, thereby suppressing current consumption.
  • the disconnection detecting module 14 is molded in the sensing bodies 10 and 20 except for the external switch 15 including the antenna to prevent damage due to an external environment.
  • the disconnection detection module 14 may be molded into the sensing bodies 10 and 20 except for the external switch 15 including the antenna and the battery.
  • the battery is formed in the battery insertion space formed inside the sensing body (10, 20) to facilitate the removal, insertion and replacement from the outside, the battery insertion inner groove, the connection terminal is formed, insert the battery, then waterproof
  • the battery cover can be sealed by screw assembly or the like.
  • the disconnection sensing module 14 may be formed as a molded body independently molded, and the disconnection sensing module 14 may be inserted into the sensing body 10 or 20 to facilitate the detachment, insertion, and replacement of the disconnection sensing module 14 from the outside.
  • an inner groove may be formed, and the disconnection detection module 14 may be inserted into an insertion space or an inner groove, and then the waterproof disconnection detection module cover may be attached to the outside by screw assembly or the like to be sealed.
  • a rechargeable secondary battery may be used as a battery.
  • the mercury battery can be used for two to three years if it is kept in a natural discharge state, but replacing the battery every two to three years requires a lot of manpower and cost.
  • the solar cell module 62 is attached to one side of the sensing body 10 to be used as a power source for charging.
  • the power generated by attaching the solar cell module 62 is transmitted to the charging unit 61, and the charging unit charges the secondary battery by forming the received power at a constant charging voltage by the power control system pcs.
  • the fuse disconnection signal generator can be used for a longer time without any maintenance work.
  • the disconnection detection signal of the disconnection detection module 14 transmits only a recognition code signal applied to each disconnection detection module 14 to a simple pulse signal, which is a structure that is only transmitted in case of a failure and is normally charged for a long time. Since the solar cell module 62 is installed outside the disconnection detection module 14 with a very small capacity, it is sufficient to charge a natural discharge power.
  • the experiment was performed once with a 10 cm 2 solar cell module and charged with a rechargeable secondary battery for one month, and the discharge voltage did not drop below the use voltage.
  • FIG. 7 illustrates that the induction coil 63 is mounted inside the sensing body 10 as the charging voltage as another embodiment of the charging system.
  • the sensing body 10 detects an induction coil forming a U-shaped closed circuit in the cylindrical groove part 11, which is a portion surrounding the fuse holder 40.
  • an induction current flows through the induction coil 63 located in the fuse holder 40.
  • the power generated by the induction coil 63 generated as described above is supplied to the secondary battery through the transformer process and the constant voltage process in the charging unit 61 to charge the secondary battery.
  • the above-described induction coil 63 can be used as the induction coil for charging the secondary battery.
  • the secondary battery is charged with a constant voltage, including a transformer rectifier and a PCS.
  • an induction current corresponding to the above-described induction coil 63 flows, and thus it can be sensed as a fault current according to the induction current state.
  • the failure signal type including the unique identification number of the place is transmitted through the control unit 52 and the transmission unit 53 through the detected detection signal of the fault current, the remote control place such as a central command room receives the fuse disconnection signal.
  • the fault current of the line can be detected.
  • the fault detection current may be used for the fault detection and the secondary battery charging of the break detection module.
  • the solar cell module 62 may be used for charging the secondary battery, and the above-described induction coil 63 may be used only for fault current detection.
  • the fuse disconnection signal generator is installed in the fuse holder of the COS.
  • the PF also has the same dropout structure as the COS that is separated from the lower part. By applying the same principle to the PF can send a disconnection detection signal.
  • the fuse breakage signal generator of the present invention relates to a fuse breakage signal generator which detects a fuse break and transmits it to the outside, and is installed in a fuse holder of a power fuse or a cutout switch installed in a power distribution facility in a distribution facility field. It can be used for the purpose of detection.

Abstract

La présente invention se rapporte à un générateur de signal de déconnexion de fusible. Selon la présente invention, un générateur de signal de déconnexion de fusible peut être fourni de façon à inclure : un corps de détection formé dans un réceptacle cylindrique pour qu'un support de fusible soit placé à l'intérieur ; une ouverture formée de façon à recevoir avec souplesse le réceptacle cylindrique dans le support de fusible ; une partie d'aile qui s'étend vers l'extérieur à partir des deux côtés de l'ouverture et qui présente une élasticité ; et un module de détection de déconnexion construit dans le corps de détection. Le module de détection de déconnexion détecte que le support de fusible est ouvert et incliné et transmet un signal de détection à l'extérieur.
PCT/KR2011/001810 2010-03-26 2011-03-15 Générateur de signal de déconnexion de fusible WO2011118933A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100027378A KR100970763B1 (ko) 2010-03-26 2010-03-26 퓨즈 단선신호 발생장치
KR10-2010-0027378 2010-03-26

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WO2011118933A2 true WO2011118933A2 (fr) 2011-09-29
WO2011118933A3 WO2011118933A3 (fr) 2011-11-24

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PCT/KR2011/001810 WO2011118933A2 (fr) 2010-03-26 2011-03-15 Générateur de signal de déconnexion de fusible

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WO (1) WO2011118933A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102565466B1 (ko) * 2021-08-20 2023-08-09 대영종합산기 주식회사 퓨즈의 상태를 감지하기 위한 전자 장치 및 이를 포함하는 컷 오프 스위치
CN116481795B (zh) * 2023-06-21 2023-08-29 成都汉度科技有限公司 用于跌落监测的传感器组件及跌落式熔断器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559488A (en) * 1992-09-17 1996-09-24 Cooper Industries, Inc. Current limiting fuse having compact structure
JP2008262857A (ja) * 2007-04-13 2008-10-30 Chugoku Electric Power Co Inc:The ヒューズ筒作成補助具
US7532103B2 (en) * 2002-06-16 2009-05-12 Maclean-Fogg Company Composite insulator for fuse cutout

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5438348Y2 (fr) 1973-11-29 1979-11-15

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559488A (en) * 1992-09-17 1996-09-24 Cooper Industries, Inc. Current limiting fuse having compact structure
US7532103B2 (en) * 2002-06-16 2009-05-12 Maclean-Fogg Company Composite insulator for fuse cutout
JP2008262857A (ja) * 2007-04-13 2008-10-30 Chugoku Electric Power Co Inc:The ヒューズ筒作成補助具

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WO2011118933A3 (fr) 2011-11-24
KR100970763B1 (ko) 2010-07-16

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