CN1818693A - Electric power line fault indicator - Google Patents
Electric power line fault indicator Download PDFInfo
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- CN1818693A CN1818693A CN 200610065782 CN200610065782A CN1818693A CN 1818693 A CN1818693 A CN 1818693A CN 200610065782 CN200610065782 CN 200610065782 CN 200610065782 A CN200610065782 A CN 200610065782A CN 1818693 A CN1818693 A CN 1818693A
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- line fault
- electric power
- power line
- fault indicator
- shell
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Abstract
A fault indicator of power line consists of shell, wire-seizing unit set at top of shell, control circuit with detection and judgment function, indication unit for indicating fault, disassembling and assembling ring being used to assemble or disassemble indicator through operation rod.
Description
Technical field
The present invention relates to a kind of electric power line fault indicator.
Background technology
Electric power line fault indicator is to be used to detect and discriminating user power circuit a kind of signal meter (SM) of fault whether.Its principle of work is for when power circuit breaks down, because electric parameter sudden change in the circuit, the variation that around power circuit, produces magnetic field and electric field, the operation circuit of electric power line fault indicator inside detects and the failure judgement state automatically, and then output alarm signal drives display part work, and the alarm indication redness, thereby reach the purpose of indication fault circuit.
Application number is 01232305.5, and denomination of invention discloses a kind of electric power line fault indicator for the utility model of " line-failure indicator ".This indicator is provided with a clamping device that is used for the clamping power circuit above shell, described clamping device is for to be provided with two root posts at outer surface of outer cover, this two column connects a V-arrangement cushion block, between this cushion block and the shell stage clip is installed, and is provided with the pin that engages with the V-arrangement cushion block between two columns.Though above-mentioned patent can realize feeder line fault and detect, need be by hypanthium being installed, unloading special-purpose assorted instrument such as cup, complicated operation also damages line of electric force.And by changeing cup apparatus circuit fault, indicating fault is not obvious.
There is following shortcoming in existing electric power line fault indicator:
1, install, dismantle inconvenient.Prior art will could realize the installation and removal of electric power line fault indicator, complicated operation by aids such as hypanthiums.
2, indicating fault is not obvious.Prior art adopt to be changeed cup apparatus circuit fault, by the flip displays line fault that redness is changeed bowl, limited by reason such as weather, shows not obvious.
3, the clamping device of power circuit is a metal material, gets rusty easily, and damages cable easily.The clamping device of the power circuit that prior art adopts is metal material, because electric power line fault indicator is exposed in the air, is easy to oxidation and rusting, influences serviceable life.
Therefore, also there is the improved place of needs in present electric power line fault indicator.
Summary of the invention
The purpose of this invention is to provide a kind of electric power line fault indicator, problem is installed to solve in the prior art electric power line fault indicator, dismounting is inconvenient, and indicating fault clamping device not obvious and power circuit gets rusty easily, and serviceable life is low etc.
For solving the problems of the technologies described above, the invention provides a kind of electric power line fault indicator, comprise shell, the thread jamming part branch that is contained in the shell top, control circuit part, indicating section with fault indication function with detection arbitration functions;
Also comprise,
Handling ring links to each other with shell, is used to use the general operation bar to load and unload described electric power line fault indicator;
Described shell comprises left column and right column, is the U type on housing top;
Described thread jamming part branch comprises guided plate and tension disc;
Described guided plate becomes the L type, is connected with described shell left column upper end by rotating shaft, can rotate by described relatively shell left column;
Described tension disc is board-type, is connected with the right column lower end by rotating shaft and constant force spring, can rotate by described relatively shell right column, is arranged on the guided plate inboard, and cooperates with guided plate.
When guided plate turns to the inside, tension disc servo-actuated to the inside simultaneously, cable is held between guided plate and tension disc and the position is gone in servo-actuated;
When guided plate laterally rotated, tension disc was outwards turned on one's side simultaneously under the drive of guided plate and is pressed, and cable grip is held between guided plate and the tension disc and servo-actuated breaks away from.
Described indicating section comprises,
Display body is installed in the shell below, and include luminous tube array and link to each other with the shell inner control circuit by driver circuit, when line failure, the luminous tube array flash of light; Circuit just often, luminous tube array does not work, play the indication feeder line fault effect;
Described luminous tube array adopts high brightness luminescent pipe array, and luminotron brightness is 3500 to 12000 candelas.
Described display body adopts good anti-aging of light transmission, high strength, and polyester material is made.
Described indicating section further comprises handling ring,
Described handling ring adopts good anti-aging, the high-strength polyester material of light transmission to make.
Described shell adopts all insulation encapsulant, is used to encapsulate described electric power line fault indicator, prevents that aqueous vapor from entering its inside, destroys circuit.
Adopt nonmetallic materials with the cable contact portion during described thread jamming part divides, and adopt board-like moulding, prevent damage cable.
Described electric power line fault indicator also comprises,
Reserve battery is used for breaking down and when causing the circuit power-off time long, the compensation work power supply continues indication line fault at power circuit.
Described shell is provided with an end cap, is used to change described reserve battery.
Described electric power line fault indicator also comprises, the set-reset installation switching device is arranged on the shell, is convenient at any time fault detector be carried out verification and reset operation.
Compared with prior art, the invention has the beneficial effects as follows:
1, indicating fault is not subjected to meteorological condition influence, and indicating effect is obvious.Solved traditional circuit fault detector impalpable problem under night and adverse weather condition;
2, convenient disassembly.Need not by aids such as hypanthiums, only need to use the general operation bar just can realize the dismounting of electric power line fault indicator, easy to operate.
3, single loop closed magnetic circuit does not have stack.Closed magnetic circuit by built-in magnetic conduction sheet of guided plate, left and right pillar and the magnetic conductive axis in the telefault form obtains sensed current signal and is utilized as working power from telefault.
4, be nonmetallic materials with the cable contact portion, have resistant to rust, anti-aging and prevent the effect of cable damage.
5, increase set/reset operating switch, verification electric power line fault indicator duty at any time.
Description of drawings
Fig. 1 is an electric power line fault indicator stereographic map of the present invention;
Fig. 2 is an indicator left view shown in Figure 1;
Fig. 3 to Fig. 5 is an electric power line fault indicator card line chart of the present invention;
Fig. 6 is set/reset operation switching circuit figure;
Fig. 7 is the voltage signal processing unit circuit diagram;
Fig. 8 is a current signal processing unit circuit diagram;
Fig. 9 is energy storage and voltage switch unit circuit diagram;
Figure 10 is a MCU central control unit circuit diagram;
Figure 11 is RF communication module figure.
Embodiment
The invention provides a kind of electric power line fault indicator, inconvenient to solve in the prior art electric power line fault indicator dismounting, problem such as indicating fault clamping device not obvious and power circuit gets rusty easily and damages tested cable, and serviceable life is low.
Below in conjunction with accompanying drawing specific embodiments of the invention are described further.
Referring to Fig. 1 and Fig. 2.Fig. 1 is an electric power line fault indicator stereographic map of the present invention; Fig. 2 is an indicator left view shown in Figure 1.
Electric power line fault indicator of the present invention comprises shell 2, is contained in the thread jamming part branch of shell top, the control circuit part with detection arbitration functions, indicating section, the handling ring 5 with fault indication function.
Described shell adopts all insulation waterproof material, and through the nano antifouling surface treatment; Be used to encapsulate described electric power line fault indicator, prevent that aqueous vapor from entering its inside, destroy circuit; Has anticorrosive, aging-resistant effect.
The thread jamming part branch comprises guided plate 1 and tension disc 4.Guided plate 1 and tension disc 4 all adopt nonmetallic materials, can adopt polyester material.Can prevent from the oxidation and rusting phenomenon to take place in the air, increase the serviceable life of product of the present invention because of being exposed to fully.Also can prevent the thread jamming part branch of metal, extruding cable and to the damage of power circuit.
Guided plate 1 is connected with left column 2a upper end by rotating shaft or pin, 1 one-tenth L type of described guided plate, left column 2a rotation relatively.
The control circuit part is obtained the line current electric field signal by mutual inductor, after electronic circuit board carries out logic determines, driver circuit is made corresponding indication.Physical circuit is referring to Fig. 7 to Figure 11.
Indicating section comprises display body 3, can further include handling ring 5.
Described display body 3 is installed in shell 2 belows, includes luminous tube array and links to each other with control circuit in the shell by driver circuit, and when line failure, the luminous tube array intermittence is luminous; When power circuit just often, luminous tube array does not work, thus play the indication feeder line fault effect.Described luminous tube array adopts high brightness luminescent pipe array, and luminotron brightness is 3500 to 12000 candelas.Under strong solar radiation or under other inclement weather conditions, the user still can see the fault show state of described indicator clearly.
Described indicating section 3 adopts the good polyester of light transmission to make, and makes indicating effect better obviously.
Handling ring 5 links to each other with shell 2, also can connect to form indicating section of the present invention with indicating section 3 one; Handling ring 5 is used to use the general operation bar that described electric power line fault indicator is installed.Described handling ring 5 also is to adopt the good polyester of light transmission to make, and can constitute indicating sections jointly with display body 3.Handling ring 5 can be integrated with display body 3, adopts the bright material of full impregnated, increases the light scattering area, thereby increases effective area, and the highlighted ruddiness array of luminous employing stroboscopic, can adapt to various Changes in weather, and adaptability is strong.
Below by specify electric power line fault indicator card line process of the present invention referring to Fig. 3 to Fig. 5.
Referring to Fig. 3 to Fig. 5, Fig. 3 to Fig. 5 is an electric power line fault indicator card line chart of the present invention.
Described tension disc 4 is provided with a groove 4a who matches with guided plate 1 transverse slat.
The cover hook of electrification industry general utility tool control lever stretches into (not the marking among the figure) in the handling ring 5, and described rhampotheca is gone into the back, position electric power line fault indicator is delivered to cable 6 belows, as shown in Figure 3.When upwards promoting the general operation bar, electric power line fault indicator is under the effect of general operation bar, give 6 one thrusts that make progress of power circuit, so there is downward pressure in power circuit 6 relative guided plates 1, power circuit 6 relative guided plates 1 move downward under this power effect, because guided plate 1 is the L type, the groove 4a of the transverse slat of guided plate 1 and tension disc 4 breaks away from, tension disc 4 has lost the support of guided plate 1, along with power circuit 6 relative guided plates 1 move downward, tension disc 4 inwardly rollover is pressed, and groove 4a contacts with power circuit 6, played the fixedly effect of power circuit 6, as shown in Figure 4.When power circuit 6 arrived shell 2 coboundarys, guided plate 1 and tension disc 4 actings in conjunction made power circuit 6 and electric power line fault indicator not have relative motion, and this moment, electric power line fault indicator was installed on the power circuit 6.The guided plate that contacts with power circuit 61 is nonmetallic materials with tension disc 4, has resistant to rust, anti-aging and prevent effect such as cable damage.
The following describes the unloading process of electric power line fault indicator.Referring to Fig. 5 to Fig. 3.
When needs are changed electric power line fault indicator, use the general operation pike pole to be enclosed within on the described handling ring 5, electric power line fault indicator and power circuit 6 states (do not mark the general operation bar) as shown in Figure 5 among the figure.When downward pulling general operation bar, give 6 one downward pulling force of power circuit, under this power effect, power circuit 6 relative tension discs 4 are gone up motion mutually, guided plate 1 is along with power circuit 6 relative tension discs 4 are gone up the outer mutually upset of motion mutually, final power circuit 6 is separated with electric power line fault indicator, has promptly finished the dismounting of electric power line fault indicator.
Electric power line fault indicator of the present invention adopts passive working method, can from the power circuit circuit, directly obtain the required electric energy of work the inductive electromagnetic signal, induction energy fetching and input sensing are finished long service life by one or two telefault.Closed magnetic circuit by built-in magnetic conduction sheet of guided plate 1, left column 2a and right column 2b and the magnetic conductive axis in the telefault (not shown) form obtains sensed current signal and is utilized as working power from telefault.Described closed magnetic circuit is the single loop closed magnetic circuit, no magnetic circuit stack.Built-in replaceable lithium battery when power circuit breaks down and causes the circuit power-off time long, still can continue to indicate line fault as reserce cell; Physical circuit figure is referring to Fig. 9.Described shell 2 is provided with an end cap 7 and is used to change described reserve battery.
The present invention also is provided with set/reset operating switch, verification duty at any time.Referring to Fig. 6, this figure is set/reset operation switching circuit figure.
The set/reset operating switch is used for check indicator duty and hand-reset.
When fault detector was in non-alarm condition, closed setting switch, corresponding signal were sent into single-chip microcomputer RC4 mouth, fault detector verification self duty and flicker indication;
When fault detector was in alarm condition, closed reduction switch, corresponding signal were sent into single-chip microcomputer RC3 mouth, and fault detector will be reset to normal operating conditions.
The control circuit that detects arbitration functions partly comprises MCU central control module, RF communication module, energy storage and power supply switch unit, current signal processing unit, voltage signal processing unit.
Referring to Fig. 7 to Figure 11, Fig. 7 is the voltage signal processing unit circuit diagram; Fig. 8 is a current signal processing unit circuit diagram; Fig. 9 is energy storage and voltage switch unit circuit diagram; Figure 10 is a MCU central control unit circuit diagram; Figure 11 is RF communication module figure.
Detect the control circuit course of work of arbitration functions:
Voltage signal processing unit by sensor C30, the C32 changing value to voltage signal, is delivered to single-chip microcomputer ground voltage catch end RA0 mouth through the AD623 amplification, as the judgment basis of the fault generation circuit of judging circuit from power circuit.
The current signal processing unit, by jig structure and coil SGN L2 from power circuit mutual inductance to current changing signal, frequency signal and the harmonic wave composition of certain ratio.Through the adaptive R13 of rectification capacitance-resistance circuit, Bridge2, C34, C35, DZ2, be converted to voltage signal, be input to the analog to digital conversion input end RC0 of single-chip microcomputer, as the judgment basis at electric current changing value, harmonic component and phase change angle in the detection line.
Energy storage and voltage switch unit, comprise PWR L1, rectifier bridge Bridge, storage capacitor C4, and element such as metal-oxide-semiconductor Q2, the micro-electric energy of intercepting from circuit, and store conduct working power at ordinary times, and finish line powering and battery powered switching by MOS Q2 pipe.
The MCU central control unit is finished seizure, the conversion of line current, the detection that battery is under-voltage, the response of set-reset, the driving of color break-up demonstration and the function that control RF module is finished data communication and parameter tuning of ground voltage as core calculations and control module.
Data communication is mainly born in RF communication module unit, finishes isoparametric the adjusting of action sequence, working value of fault detector.This unit is mainly realized by general-purpose chip CC1000 rf control unit.RB6, RB5, RB4 that the PALE of CC1000, PDATA, PCLK connect single-chip microcomputer respectively write, read control word by Single-chip Controlling.The DIO of CC1000, DCLK link to each other with RB1, the RB2 of single-chip microcomputer respectively and are used for importing into, spreading out of communication data.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of electric power line fault indicator comprises, shell, the thread jamming part branch that is contained in the shell top, the control circuit part with detection arbitration functions, the indicating section with fault indication function;
It is characterized in that, also comprise,
Handling ring links to each other with shell, is used to use the general operation bar to load and unload described electric power line fault indicator;
Described shell comprises left column and right column, is the U type on housing top;
Described thread jamming part branch comprises guided plate and tension disc;
Described guided plate becomes the L type, is connected with described shell left column upper end by rotating shaft, can rotate by described relatively shell left column;
Described tension disc is board-type, is arranged on described guided plate inboard, and cooperates with described guided plate, is connected with the right column lower end by rotating shaft and constant force spring, can described relatively shell right column rotation.
2, electric power line fault indicator according to claim 1 is characterized in that,
When described guided plate turns to the inside, the servo-actuated to the inside simultaneously of described tension disc, line of electric force is held between described guided plate and described tension disc and the position is gone in servo-actuated;
When described guided plate laterally rotated, described tension disc was outwards turned on one's side simultaneously under the drive of described guided plate and is pressed, and line of electric force is clamped between described guided plate and the described tension disc and servo-actuated breaks away from.
3, electric power line fault indicator according to claim 1 is characterized in that described indicating section comprises,
Display body is installed in the shell below, includes luminous tube array and links to each other with the shell inner control circuit by driver circuit, and when power circuit broke down, the luminous tube array intermittence was luminous; Power circuit just often, luminous tube array does not work, play the indication feeder line fault effect;
Described luminous tube array adopts high brightness luminescent pipe array, and luminotron brightness is 3500 to 12000 candelas.
As electric power line fault indicator as described in the claim 3, it is characterized in that 4, described display body adopts good anti-aging of light transmission, high strength, polyester material is made.
5, as electric power line fault indicator as described in claim 3 or 4, it is characterized in that, described handling ring,
Can be structure as a whole with described display body; Also can be structure as a whole with described housing;
Described handling ring adopts good anti-aging, the high-strength polyester material of light transmission to make, with the described display part of the common formation of described display body.
6, electric power line fault indicator as claimed in claim 1 or 2 is characterized in that, described shell adopts all insulation encapsulant, is used to encapsulate described electric power line fault indicator, prevents that aqueous vapor from entering its inside, destroys circuit.
As electric power line fault indicator as described in claim 1 or 2 or 3, it is characterized in that 7, described thread jamming part divides with the line of electric force contact portion and adopts nonmetallic materials, and adopts board-like moulding, prevents the damage to line of electric force.
8, as electric power line fault indicator as described in claim 1 or 2 or 3, it is characterized in that, also comprise,
Reserve battery is used for breaking down and when causing the line of electric force power-off time long, the compensation work power supply continues indication line fault at power circuit.
9, as electric power line fault indicator as described in the claim 8, it is characterized in that described shell is provided with an end cap, be used to change described reserve battery.
10, as electric power line fault indicator as described in claim 1 or 2 or 3, it is characterized in that also comprise, the set-reset installation switching device is arranged on the shell, is convenient at any time described indicator be carried out verification and reset operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100657822A CN100406901C (en) | 2006-03-16 | 2006-03-16 | Electric power line fault indicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100657822A CN100406901C (en) | 2006-03-16 | 2006-03-16 | Electric power line fault indicator |
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| CN1818693A true CN1818693A (en) | 2006-08-16 |
| CN100406901C CN100406901C (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100657822A Expired - Fee Related CN100406901C (en) | 2006-03-16 | 2006-03-16 | Electric power line fault indicator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707192A (en) * | 2011-02-09 | 2012-10-03 | 通用电气公司 | Sensing system and method for manufacturing the same |
| CN104753010A (en) * | 2015-03-18 | 2015-07-01 | 国网辽宁省电力有限公司辽阳供电公司 | Grading ring installable under electricity |
| CN106104286A (en) * | 2014-02-03 | 2016-11-09 | 未来实验室有限责任公司 | The method and apparatus of the fault in the overhead transmission line of location |
| CN111289836A (en) * | 2018-12-07 | 2020-06-16 | 国网山西省电力公司运城供电公司 | Distribution lines fault monitoring system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2391206Y (en) * | 1999-09-17 | 2000-08-09 | 赵红羽 | Power line short-circuit fault indicator |
| CN2494990Y (en) * | 2001-08-08 | 2002-06-12 | 赵红羽 | Circuit trouble indicator |
-
2006
- 2006-03-16 CN CN2006100657822A patent/CN100406901C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707192A (en) * | 2011-02-09 | 2012-10-03 | 通用电气公司 | Sensing system and method for manufacturing the same |
| CN102707192B (en) * | 2011-02-09 | 2016-05-18 | 通用电气公司 | Sensing system and manufacture the method for this system |
| CN106104286A (en) * | 2014-02-03 | 2016-11-09 | 未来实验室有限责任公司 | The method and apparatus of the fault in the overhead transmission line of location |
| CN106104286B (en) * | 2014-02-03 | 2020-02-21 | 未来实验室有限责任公司 | Method and apparatus for locating faults in overhead transmission lines |
| CN104753010A (en) * | 2015-03-18 | 2015-07-01 | 国网辽宁省电力有限公司辽阳供电公司 | Grading ring installable under electricity |
| CN111289836A (en) * | 2018-12-07 | 2020-06-16 | 国网山西省电力公司运城供电公司 | Distribution lines fault monitoring system |
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| Publication number | Publication date |
|---|---|
| CN100406901C (en) | 2008-07-30 |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Electrification Engineering Co., Ltd. of China Railway 17th Bureau Group Assignor: Zhao Hongyu Contract fulfillment period: 2008.9.25 to 2015.9.24 contract change Contract record no.: 2009110000259 Denomination of invention: Electric power circuit fault indicator Granted publication date: 20080730 License type: Exclusive license Record date: 20091029 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.25 TO 2015.9.24; CHANGE OF CONTRACT Name of requester: CHINA RAILWAY SEVENTEENTH BUREAU GROUP ELECTRICAL Effective date: 20091029 |
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Addressee: Zhao Hongyu Document name: Notification to Pay the Fees |
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