CN1361427A - Remote-transmission ultrahigh-voltage transmission line fault display device - Google Patents

Remote-transmission ultrahigh-voltage transmission line fault display device Download PDF

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Publication number
CN1361427A
CN1361427A CN 00120618 CN00120618A CN1361427A CN 1361427 A CN1361427 A CN 1361427A CN 00120618 CN00120618 CN 00120618 CN 00120618 A CN00120618 A CN 00120618A CN 1361427 A CN1361427 A CN 1361427A
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CN
China
Prior art keywords
circuit
electromagnet
signal
display device
fault display
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Pending
Application number
CN 00120618
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Chinese (zh)
Inventor
严颖勤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zengshi Group Co ltd Chengdu
Original Assignee
Zengshi Group Co ltd Chengdu
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.)
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Publication date
Application filed by Zengshi Group Co ltd Chengdu filed Critical Zengshi Group Co ltd Chengdu
Priority to CN 00120618 priority Critical patent/CN1361427A/en
Publication of CN1361427A publication Critical patent/CN1361427A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a fault indicating device of a high-voltage transmission line. The invention is characterized in that the signal output end of the sampling circuit is connected with an electronic switch circuit with a power supply battery, the output end of the electronic switch circuit is connected with a time delay automatic reset circuit, an execution circuit and a signal transmitting/receiving device in parallel, the execution circuit is composed of controllable silicon KH, KB, electromagnet F, capacitors C9, C10 and peripheral elements R, D, the sign on the rod is composed of a signal disc which is arranged in the magnetic field of the electromagnet F and can rotate in a reciprocating manner in a half-cycle and is divided into two different colors, and a permanent magnet ring CP controlled by the electromagnet is arranged on the rotating shaft of the signal disc. The high-voltage transmission line fault display can replace the existing high-voltage transmission line fault display.

Description

But a kind of extra high voltage network fault display device of teletransmission
What the present invention relates to is a kind of accident indicator of ultra-high-tension power transmission line.
Chinese patent CN2177952Y discloses a kind of " transmission line of electricity short circuit earth-fault indicator ", is made up of fault current sensor, electrical apparatus release, direction board and non-metal shell.High magnetic conducting band by sensor is connected sense faults electric current on the shaft tower framework.Driving electrical apparatus release action, direction board reaches the indication purpose by means of self the gravity shell that glides out.The shortcoming of this mechanical indicator is that the structure action is too slow, can not capture the fault current that those life periods are extremely lacked (about 100 milliseconds) effectively, makes its accuracy rate not high, and this is an one; It two is that resetting of direction board must be climbed up on the shaft tower and operated, and is cumbersome; It three is that this mechanical indicator can only be at shaft tower original place indication fault and can not teletransmission, makes and finds to be difficult for, and incurs loss through delay maintenance.
The objective of the invention is to overcome the above-mentioned shortcoming of prior art, provide a kind of reaction fast, but highly sensitive, not only can be on shaft tower by the direction board indication, but also can be by the extra high voltage network fault display device of wireless transmission for the teletransmission of distance reception.
Realize purpose extra high voltage network fault display device of the present invention, comprise direction board on a fault current sample circuit and the bar, feature of the present invention is that the signal output part at sample circuit is connected to an electronic switching circuit that has a power-supply battery, at the output terminal of electronic switching circuit and be connected to a time-delay automatic reset circuit, one executive circuit and a signal emitting/receiving, described executive circuit is by controllable silicon KH, KB, electromagnet F, be connected the capacitor C 9 at the coil L two ends of electromagnet F in opposite directions, C10 and peripheral cell R7, R8, R9, R10, D1, D2 constitutes, but direction board is made of the signal panels that a branch that is installed in the reciprocal rotation of half cycle in the described electromagnet F magnetic field is painted with two kinds of different colours on the described bar, and a permanent magnetic ring CP who is controlled by electromagnet is housed in the rotating shaft of signal panels.The same with prior art, the high magnetic conducting band of fault current sample circuit is encircled perception fault current on the arbitrary main material of shaft tower, and this fault current signal passed to electronic switching circuit, the delay circuit that passes to respectively with it and connect by electronic switching circuit, the transmitter unit of executive circuit and signal generation/receiver, executive circuit work, give an opposite direction of magnet coil L electric current, make the reversing of electromagnet F, thereby drive a display panel half cycle of rotation and indicate fault has taken place, simultaneously transmitter unit sends signal to receiving element, thereby realizes showing on the spot on the bar and the purpose of long-distance transmissions.The length that continues the time of transmitting of transmitter unit is set by the time-delay automatic reset circuit.After fault was got rid of, also available one manual reset button triggered the time-delay automatic reset circuit in advance, triggered executive circuit by electronic switching circuit, electromagnet poles is sexually revised, thereby display panel is resetted.Make transmitter unit stop emission on the other hand.
Described signal emitting/receiving can be selected intercom for use.The transmitter unit of intercom can be set a fixing emission information corresponding to each shaft tower, as each self-corresponding bar bit number etc.Can send in the mode of voice, also can resemble and be transmitted directly on the screen of receiving element the pager.Utilize the unfailing performance of intercom can reach the teletransmission of ten kilometer range.Still near the telephone wire can utilizing adds modem and makes the relaying passage and handle and just the information of each shaft tower can be beamed back the computer system of control center.
Consider economize on electricity, can between the transmitter unit of intercom and electronic switching circuit, be serially connected with a batch (-type) on-off circuit.
Also can set a condenser type and adopt the energy charging circuit, utilize hi-line and this condenser type to adopt electric capacity parasitic between the tablet of energy charging circuit to battery charge, with the assurance device reliably working to power-supply battery.
The present invention's advantage compared with prior art be can fault take place back 40 milliseconds with interior locking information, solved the problem of reliable seizure fault-signal.The rotary type display panel that employing is controlled by electromagnet stops reliable in action at the display panel rotation half cycle that just can start in a flash that fault current produces; Distinctive long-distance transmissions function more can make the breakdown maintenance personnel very directly just just can know clearly in base our department the trouble spot is on which root shaft tower and need not to check by root at several kilometers.Alternative existing high voltage transmission line fault detector uses.
Provide embodiment below in conjunction with accompanying drawing.But content of the present invention is not limited in this embodiment.
The structured flowchart of Fig. 1 present embodiment
Fig. 2 installation site of the present invention synoptic diagram
The circuit diagram of Fig. 3 present embodiment
The another kind of receiving element structural representation of Fig. 4
Referring to Fig. 1-3, formation of the present invention comprises direction board on a fault current sample circuit and the bar, it is characterized in that signal output part at sample circuit is connected to an electronic switching circuit that has a power-supply battery, at the output terminal of electronic switching circuit and be connected to time-delay automatic reset circuit, an executive circuit and a signal emitting/receiving.Capacitor C 9, C10 and peripheral cell R7, R8, R9, R10, diode D2, D3 that described executive circuit is connected the coil L two ends of electromagnet F by controllable silicon KH, KB, electromagnet F, are in opposite directions constituted, but direction board is made of the signal panels 6 that a branch that is installed in the reciprocal rotation of half cycle in the described electromagnet F magnetic field is painted with two kinds of different colours on the described bar, and a permanent magnetic ring CP who is controlled by electromagnet is housed in the rotating shaft of signal panels.The signal emitting/receiving is served as by intercom in the present embodiment, and DJJ1 is the transmitting element of intercom among the figure, and DJJ2 is the receiving element of intercom.Receiving element also can be separated device 8 and computer system 9 is served as by shown in Figure 4 being withered by trunking 7, modulation.Between transmitter unit and electronic switching circuit, be serially connected with one by five minutes alternately make-and-break time pause switch TT and intermittently dial-up circuit JB, the batch (-type) on-off circuits that constitute of sound circuit YY intermittently.The fault current sample circuit is made of the soft silicon strip 2 of the strip that is wound with coil N on the angle steel master material of encircling at shaft tower 1, capacitor C 1, two the stabilivolt ZY4, the ZY5 that play a reversed role and full-wave rectification heap Z.Power-supply battery can be selected lithium battery LB for use.Fig. 3 has provided the connecting relation between each circuit, each unit, the device.Each several part can be installed in the housing 4.The installed position of electromagnet F on housing is opened a semicircle display window 5, and display panel was painted with " red ", " in vain " two semicircles in 6 minutes, is installed in display panel in the window and is controlled by the action of a magnetic field of electromagnet F with a rotating shaft.When the fault current signal takes place, the threshold value that this signal reaches two-way trigger tube XK1 makes controllable silicon KY conducting that DC voltage is triggered KH by R10, XK3 and ZY1, capacitor C 4 discharged excitation pulse current to the electromagnet winding L and made electromagnet F drive permanent magnetic ring CP to rotate this moment, drove to rotate half cycle with the coaxial display panel of magnet ring and redness partly is emerging in the demonstration of finishing in the window on shaft tower.In the KY conducting, the positive electricity one road that the OT point obtains is delivered to transmitter unit and is finished the signal is far passed, and another road to the power supply of time-delay automatic reset circuit, is kept sending of signal by current-limiting resistance R3.Up to the delay time of setting then, the output high level, this high level is leaded up to RT3 and D1 diode and is gone to make BG2 conducting, BG1 to end, thereby cause controllable silicon KY to turn-off, stop external emission, another road then makes the KB conducting by ZY2, XK3 to the power supply of controllable silicon KB trigger electrode simultaneously, this moment, C5 discharged in the other direction, electric current flows through magnet coil sexually revises pole of magnet, and display panel is resetted, and demonstrates the semicircle of white in window.Intercom cuts off the power supply simultaneously and cuts out.
Consider that the maintainer has just finished troubleshooting of faults before may arriving in the time that the time-delay automatic reset circuit sets, can set up and put a manual reset circuit that constitutes by button AN, the contact of button AN makes controllable silicon KB conducting that display panel is resetted by ZY4, XK4, controllable silicon KY is removed to turn-off by conducting BG2, by BG1 in another contact, stops outside emission.Thereby make device be returned to normal condition.
Also can set a condenser type of forming by tablet 10, resonance transformer T, capacitor C 2, rectifier Z2, adjustable current-limiting resistance RT2 and adopt the energy charging circuit, utilize capacitance current parasitic between hi-line and tablet to battery charge to power-supply battery.

Claims (4)

1. but the extra high voltage network fault display device of a teletransmission, comprise direction board on a fault current sample circuit and the bar, it is characterized in that signal output part at sample circuit is connected to an electronic switching circuit that has a power-supply battery, at the output terminal of electronic switching circuit and be connected to a time-delay automatic reset circuit, one executive circuit and a signal emitting/receiving, described executive circuit is by controllable silicon KH, KB, electromagnet F, be connected the capacitor C 9 at the coil L two ends of electromagnet F in opposite directions, C10 and peripheral cell R7, R8, R9, R10, D1, D2 constitutes, but direction board is made of the signal panels that a branch that is installed in the reciprocal rotation of half cycle in the described electromagnet F magnetic field is painted with two kinds of different colours on the described bar, and a permanent magnetic ring CP who is controlled by electromagnet is housed in the rotating shaft of signal panels.
2. but the extra high voltage network fault display device of teletransmission as claimed in claim 1 is characterized in that described signal emitting/receiving is an intercom.
3. but the extra high voltage network fault display device of teletransmission as claimed in claim 1 is characterized in that described power-supply battery is equipped with a condenser type and adopts the energy charging circuit.
4. but the extra high voltage network fault display device of teletransmission as claimed in claim 1 is characterized in that being serially connected with a batch (-type) on-off circuit between the transmitter unit of described intercom and the electronic switching circuit.
CN 00120618 2000-12-25 2000-12-25 Remote-transmission ultrahigh-voltage transmission line fault display device Pending CN1361427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00120618 CN1361427A (en) 2000-12-25 2000-12-25 Remote-transmission ultrahigh-voltage transmission line fault display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00120618 CN1361427A (en) 2000-12-25 2000-12-25 Remote-transmission ultrahigh-voltage transmission line fault display device

Publications (1)

Publication Number Publication Date
CN1361427A true CN1361427A (en) 2002-07-31

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Application Number Title Priority Date Filing Date
CN 00120618 Pending CN1361427A (en) 2000-12-25 2000-12-25 Remote-transmission ultrahigh-voltage transmission line fault display device

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CN (1) CN1361427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110579687A (en) * 2019-09-20 2019-12-17 陆红阳 Safety fault indicator for distribution network automation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110579687A (en) * 2019-09-20 2019-12-17 陆红阳 Safety fault indicator for distribution network automation

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