CN104181440B - Overhead transmission line safe and intelligent fault detector - Google Patents
Overhead transmission line safe and intelligent fault detector Download PDFInfo
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- CN104181440B CN104181440B CN201410285495.7A CN201410285495A CN104181440B CN 104181440 B CN104181440 B CN 104181440B CN 201410285495 A CN201410285495 A CN 201410285495A CN 104181440 B CN104181440 B CN 104181440B
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- transmission line
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Abstract
The present invention relates to a kind of overhead transmission line safe and intelligent fault detector, it is provided with transformer, direct-push locking device, Circuits System in main casing body, main casing lower end is provided with the Transparent lamp shade with main casing cooperation, described transformer includes two groups of iron cores being placed in parallel, described two groups of iron cores are cut into two parts respectively, its bevel angle is to be in 45 ° with iron core cross section, simplify former c-type mutual inductor coil coiling to be synchronously contained on circular thread winder with iron core, inefficiency, equipment expensive it is impossible to produce in enormous quantities problem；Using the U-shaped ferrum structure of oblique section, reduce magnetic loss；And intelligent trouble indicator overhead transmission line and load terminal electric equipment can be broken down or short circuit information optional by safety chip ESAM encrypt after be sent in electrical management main website and operation maintenance personnel mobile phone, realize remote detection management, fault location and efficient process, provide powerful guarantee for power system.
Description
Technical field
The present invention relates to a kind of be used for Power System Faults Detection alarm device, specifically overhead transmission line safe and intelligent event
Barrier indicator.
Background technology
Fault indicator for overhead lines pass through main website can real-time detection circuit running status, detection collect each type load number
According to, with solve after circuit and line load equipment fault occur original line attendant can only by estimate every section, every line, every
The original job of the bar line inspection, solve that original line attendant working strength is big, fault handling time length and some places also
The problems such as security risk that need to make a difficult journey, it is distribution fast failure positioning, troubleshooting, provides sound assurance.
But there is problems with existing fault detector：
1. the unlatching transformer used by fault detector of the prior art, opening ways are commonly c-type iron core, lead to
Cross hinge to fix, another side is opened by sector format, such frame mode, not only install inconvenient, by liftoff 7-8 in fact
The high-altitude of rice, and depend merely on spring after fixing and be fixed on downside, for a long time easily because spring fatigue loosens, impact transformer collection
Drop in precision or high-altitude of getting rusty；
Need during 2.C type mutual inductor coil coiling and iron core is synchronously arranged on loop wire winder, need back and forth during coiling
Coiling, work efficiency is very low, and loop wire winder apparatus expensive, it is unsuitable for producing in enormous quantities.
It is 1 that the iron core of 3.C type transformer adopts cross section:1 area ratio, because contact surface is little big plus magnetic loss, reduces
The work efficiency of whole transformer magnetic circuit system, affects precision.
, because being suspended on overhead transmission line throughout the year, the design of partial fault device is also ferrum for the whole fault detector of 4.C type transformer
Core is directly exposed after japanning to receive the challenge of various natural conditions, outside on waterproof problem, because existing fault refers to
Show the defect of device design, often because seeping water and the damage of causing trouble indicator, and the change expanded with heat and contract with cold can make two
Produce gap between iron core, affect precision.
Content of the invention
For the problems referred to above of existing fault detector, the present invention devises a kind of fault detector of coupling type, installs
Conveniently, using the cutting of L-type iron core high infraversion malposition inclined-plane, while ensureing that vertical pulling opens placement wire overhead transmission line, increased
Facet contact area, reduces permeability loss, rational structure design, improves high accuracy, the Gao Wen of fault detector
Fixed operation is applied.
The technical scheme is that：Overhead transmission line safe and intelligent fault detector, including main casing, transformer, control
, it is characterised in that being provided with transformer in described main casing body, transformer lower end connects direct-push locking device for circuit and locking device,
Main casing upper end is provided with the hook being connected with main casing, and transformer includes two groups of iron cores, every group of iron core include two pieces L-shaped
Iron core, two pieces of L-shaped iron cores are respectively fixing L-type iron core and activity L-type iron core, fixing L-type iron core and activity L-type iron core
Cutting contact surface be inclined-plane, and in view of open-type transformer hook design, its iron core cutting position be dislocation in both sides
On iron core, form high and low position, be easy to trolly wire route and embed installation, described fixing L-type ferrum when transformer is opened from eminence
Core is fixedly mounted in hook, and activity L-type iron core is opened or closed with fixing L-type iron core by described direct-push locking device.
It is provided with two individual cavity, respectively inner chamber and exocoel, control circuit is located at outer intracavity, pushing-type in described main casing body
Locking device is located at interior intracavity.
Described direct-push locking device includes slide clamp seat, catch bar, push rod, waterproof cover, lampshade cover plate and lampshade, prevents
Water cover plate is provided with located at exocoel bottom, the catch bar between waterproof cover and slide clamp seat located at intracavity bottom, lampshade cover plate
Big spring, lampshade cover plate lower end is provided with lampshade, and lampshade centre position is provided with internal thread hole, and push rod is provided with external screw thread, and push rod leads to
Cross external screw thread and mate with the internal thread hole of internal thread hole and be threaded onto in lampshade, catch bar top is provided with dop, dop is stuck in slip card
In the draw-in groove of seat lower end setting, the built-in movable chamber in catch bar bottom, push rod top is provided with movable rotary head, and movable rotary head is located at activity
Intracavity, catch bar can achieve and rotates relative to slide clamp seat and push rod respectively.
Described push rod bottom is provided with square inward recess, and push rod side is provided with the push rod groove for water guide, and described push rod is recessed
Groove at least one, described catch bar side is provided with for leading the catch bar groove pushing away, described catch bar groove at least,
Described lampshade internal thread hole upper end is provided with scupper.
Described slide clamp seat includes L-type cutting ferrule, two slide blocks and clamp, is provided with activity L-type iron core in L-type cutting ferrule；Institute
State clamp located at upper end of slide block, slide block both sides are provided with draw-in groove, and slide block is connected by the clamp rail that draw-in groove is arranged with interior intracavity,
Slider bottom is supported by waterproof cover, is provided with little spring between slide block and waterproof cover, and L-type deck side is provided with two and L
The arm-tie that type deck is integrated, arm-tie is provided with bar hole, and slide block is provided with side corresponding with bar hole projection.
Described control circuit includes main circuit board, temperature sensor, warning circuit plate and reserve battery, and temperature sensor sets
On slide clamp seat, it is connected with main circuit board, main circuit board and reserve battery are installed on outer intracavity, and warning circuit plate is arranged on lamp
On cover plate, transformer is connected with main circuit board, and main circuit board is connected with warning circuit plate and reserve battery, and main circuit board sets
There is wireless transmitter module, warning circuit plate is provided with an emitting led alarm lamp, lampshade cover plate lower end is provided with least one leaded light
Post, light-guiding pillar is placed in lampshade, and the upper end of light-guiding pillar is against emitting led alarm lamp.
The cutting contact surface of described fixing L-type iron core and activity L-type iron core is that the bevel angle on inclined-plane is and its iron core transverse
Section is between 45 ° to 90 °, and the angle of chamfer of fixing L-type iron core engages coupling with the angle of chamfer of activity L-type iron core；Described ferrum
Coil rack is cased with core, coil rack is wound with coil, described hook is connected as one with main casing；Set on described hook
There is circular water fender, circular water fender lower end is provided with two pieces of vertical water fenders, and described main casing and hook link position are along inner chamber
It is provided with water bar at mouthful.
For sleeve connection at described L-type cutting ferrule and hook cooperation, the L-type cutting ferrule upper end of this sleeve connection is provided with square interior
Set, hook lower end is provided with square overcoat, is inside placed in overcoat, is provided with tight locking button, locking at described L-type cutting ferrule and hook cooperation
Button is included located at two fixture blocks on L-type cutting ferrule and the cutting ferrule on hook.
Described provision for disengagement includes many removable interior rotating shafts, how with removable trocar sheath, outer female connector, pallet and handss
Wheel, is cased with interior rotating shaft, outer sleeve upper is fixedly connected with the tray in described trocar sheath, every two trocar sheaths are by outer female connector Lai real
Now it is socketed, at interior rotating shaft front end, is provided with square rotary head, tail end is provided with connection square hole, and every two interior rotating shafts are by square rotary head and company
Connect being connected of square hole, interior rotating shaft lower end is provided with handwheel, and handwheel is provided with connection rotary head, can be with the connection side of interior rotating shaft bottom
Hole is connected, and described pallet is provided with and positions the transfer hole of projecting apertures cooperation.
The invention has the beneficial effects as follows：The intelligent trouble indicator of the present invention, is fixed using coupling type liftable mode, Gu
Determine mode simple, decrease the difficulty of work high above the ground during installation；Cut into inclined-plane using by the iron core of transformer, increase and open mutually
The contact surface of two iron cores of sensor, reduces magnetic loss；Using coil winding in coil rack, then coil rack is made to be enclosed within iron core,
Such frame mode, simplifies the trouble that original coiling need to synchronously be contained in processing on ring coil winding machine with iron core, improves work
Efficiency, also reduces processing cost；Optimize the structure of external shell so as to reach the purpose of waterproof, optimize water leakage inside
Structure, makes a small amount of rainwater in entrance housing can smoothly flow out, it is to avoid Circuits System is caused damage；And, this intelligent trouble
Overhead transmission line can be broken down by indicator or the information of short circuit is sent to electric power main website, realize remote detection management, fault fixed
Position and process, provide powerful guarantee for power system.
Brief description
Fig. 1 is the explosive view of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is the axonometric chart of main casing of the present invention.
Fig. 4 is the sectional view of main casing of the present invention.
Fig. 5 is the axonometric chart of push rod of the present invention.
The structural representation that Fig. 6 is push rod of the present invention, catch bar, L-type deck connect.
Fig. 7 is the partial enlarged drawing of activity L-type iron core of the present invention and fixing L-type iron core junction.
Fig. 8 is the structural representation of transformer iron core part of the present invention.
Fig. 9 is the structural representation of lampshade of the present invention.
Figure 10 is the schematic diagram of Circuits System of the present invention.
Figure 11 is the partial enlarged drawing at temperature sensor of the present invention.
Figure 12 is the structural representation of provision for disengagement of the present invention.
Figure 13 is the structural representation of provision for disengagement trocar sheath of the present invention and interior rotating shaft junction.
Figure 14 is the partial enlarged drawing at provision for disengagement handwheel of the present invention and interior rotating shaft cooperation.
Figure 15 is the sectional view of provision for disengagement of the present invention.
In figure：1. main casing, 2. fixing L-type iron core, 3. clamp, 4. slide block, 5. stand-by battery box, 6. catch bar,
7. main circuit board, 8. light emitting diode, 9. push rod, 10. lampshade cover plate, 11. positioning projecting apertures, 12. lampshades, 13. light-guiding pillars, 14.
Warning circuit plate, 15. waterproof covers, 16. little springs, 17.L type cutting ferrule 18. slide block, 19. arm-ties, 20. big springs, 21. hooks,
22. internal thread holes, 23. activity L-type iron cores, 24. coil racks, 25. exocoels, 26. inner chambers, 27. clamp rails, 28. square overcoats,
29. square inner sleeves, 30. overhead transmission lines, 31. transformers, 32. reserve batteries, 33. receptors, 34. wirelessly free device, 35. supports
Disk, 36. trocar sheaths, 37. outer female connectors, rotating shaft in 38., 39. handwheels, 40. transfer holes, 41. connection square holes, 42. is square
Rotary head, 43. connection rotary heads, 44. temperature sensors.
1-1. circle water fender, the vertical water fender of 1-2,1-3 water bar, 3-1. cutting ferrule, 6-1. movable chamber, 6-2. promotes
Bar groove, 9-1. push rod groove, the square shrinkage pool of 9-2., 9-3. movable rotary head, 9-4. external screw thread, 12-1. scupper, 17-1. pushes away
Lever draw-in groove, 17-2. fixture block, 18-1. slide block draw-in groove, 18-2 side projection, 19-1. bar hole, 38-1. rotary head.
Specific embodiment
In order to become apparent from that patent of the present invention technical problem to be solved, technical scheme and beneficial effect are described, below in conjunction with
Figure of description and embodiment, the present invention will be described in further detail.
As illustrated, being provided with transformer, transformer in the main casing 1 of overhead transmission line safe and intelligent fault detector of the present invention
Lower end connects direct-push locking device, and direct-push locking device bottom is provided with the provision for disengagement for hanging, and is provided with main casing body
Two individual cavity, respectively inner chamber 26 and exocoel 25, main casing upper end is provided with the hook 21 being connected as a single entity with main casing, adopts
Inner chamber and the design of exocoel, separate circuit part and the lock portion of fault detector, have both optimized structure, can guarantee that shape again
Become relatively independent space, more preferable effect is played on waterproof problem.
Transformer includes iron core, coil rack 24 and coil, and iron core is cut into the iron core of two L shape, respectively solid
Determine L-type iron core 2 and activity L-type iron core 23, fixing L-type iron core is inclined-plane with the cutting contact surface of activity L-type iron core, its angle of chamfer
The included angle A scope of degree and iron core cross section is between 45 ° to 90 °, and in view of the hook design of open-type transformer, its iron core is cut
The position cut is to misplace on the iron core of both sides, forms high and low position, is easy to trolly wire route embedding from eminence when transformer is opened
Enter to install, fixing L-type iron core is fixedly mounted in described hook, and fixing L-type iron core is cased with coil rack 24, coil rack around
There is coil, activity L-type iron core is opened or closed with fixing L-type iron core by described direct-push locking device.
The present invention unlatching transformer used on former fault detector, the universal c-type iron core of opening ways, center
Bearing adds dead eye to be fixed, fan opening ways, changes and is designed to the two L-type iron cores cutting of cutting sth. askew, and fixing L-type ferrum
Core is directly anchored on the hook of fault detector main casing, and activity L-type iron core is mounted to individual components and makees the slip of this transformer
It is partially installed in main casing intracoelomic cavity 26, lifting work is promoted by direct-push locking device activity L-type iron core swivel bolt.When
So that it may embedding for trolly wire route containing being contained in transformer hook 21 when transformer slipper is removed, then on activity L-type iron core
Push away and close up with fixing L-type iron core, transformer can work.Due to the design of fixing L-type iron core side is sleeved on using coil rack,
Simplify former c-type mutual inductor coil coiling to be synchronously contained on circular thread winder with iron core, inefficiency, equipment expensive it is impossible to
The problem produced in enormous quantities, the fault detector open-type transformer of the present invention adopts groove-type coil frame prefabricated coiling mode,
The compact resistance of its winding displacement is little, air electric capacity is little between coil, improves the technique application of transformer.Plus skeleton coil design side
Its processing of formula is simple, and single rate is 10 times of original processing coil process efficiency, increases economic efficiency and Product Precision feature is obvious.
The iron core of transformer cuts into inclined-plane, increases the contact surface opening two iron cores of transformer more than more than 1.40 times, increased and connect
Contacting surface is amassed it is simply that little for former c-type open-type transformer contact surface, and only 1:1 area greatest weakness produces permeability loss, directly
Connect the impact defect that do not increase of open-type transformer precision to solve.
The direct-push locking device of the present invention includes slide clamp seat, catch bar 6, push rod 9, waterproof cover 15, lampshade cover plate
10 and lampshade 12, waterproof cover 15 sets located at exocoel 25 bottom, lampshade cover plate 10 lower end located at inner chamber 26 bottom, lampshade cover plate 10
There is lampshade 12, lampshade 12 centre position is provided with internal thread hole 22, and push rod is provided with external screw thread 9-4, the screw thread by both for the push rod
Cooperation is installed on screw thread in the hole, and push rod 9 upper end snaps onto the movable chamber of catch bar lower end by the movable rotary head 9-3 of push rod upper end
In 6-1, catch bar 6 upper end dop is stuck in the catch bar draw-in groove 17-1 of slide clamp seat lower end setting, and thus, catch bar 6 can be real
Now rotate relative to push rod 9 and slide clamp seat respectively.Slide clamp seat includes 17 pieces of L-type cutting ferrule and clamp 3, and clamp 3 is located at cunning
Block 4, slide block 18 upper end.Slide block 18 side is provided with draw-in groove 18-1, and opposite side also is provided with same draw-in groove.Slide block 4 both sides set respectively
There is draw-in groove.Each slide block coordinates clamping by the clamp rail 27 of corresponding draw-in groove and interior intracavity setting.Corresponding slider bottom passes through anti-
Water cover plate 15 supports, and is provided with little spring 16 between slide block 18 and waterproof cover 15.
L-type deck 17 side is provided with two arm-ties being integrated with L-type deck 19, and arm-tie 19 is provided with bar hole 19-1,
Slide block 18 is provided with side projection 18-2 corresponding with bar hole, and when L-type cutting ferrule 17 is drop-down, arm-tie 19 is also drop-down therewith, arm-tie
19 when pulling down to certain position, and the side projection 18-2 on slide block 18 slides to bar hole 19-1 topmost, so that bar hole blocks
Side projection 18-2, at this moment slide block also with L-type cutting ferrule 17 toward drop-down, thus can make to be clipped in clamp 3 on overhead transmission line
Come off, you can fault detector is taken off from overhead transmission line.
The present invention is paddled by slider guide straight line, and it is that front synchronously contacts it is ensured that opening that two pieces of iron core both sides close up face
The contact opening transformer is consistent.Push rod 9 passes through threads turn, acts on catch bar 6, so that control activity L-type iron core straight line
Rise or fall, control folding by the way of screw thread rotation it is ensured that the stability of transformer folding, carried by catch bar 6
Dynamic folding, decreases axial direction damping during screw rod rotation, activity L-type iron core being produced（Damping is excessive, can make activity L-type iron core
Line sliding receives resistance, and affects closure accuracy during with fixing L-type iron core closure）, secondly waterproof cover and slide clamp seat it
Between big spring is installed, fault detector is suspended on overhead transmission line, can be expanded with heat and contract with cold unavoidably and affect two iron cores it
Between contact precision, and big spring just can play good ensure contact precision effect, by the elastic force of spring, can act on
Activity L-type iron core is produced in winter with fixing L-type iron core and gives when shrinkage produces gap to push up power on one, thus ensure both it
Between contact precision, prevent permeability lose.
Provision for disengagement include rotary head 38-1, many removable interior rotating shafts 38, many with removable trocar sheath 36, outer female connector
37th, pallet 35 and handwheel 39, is cased with interior rotating shaft 8 in trocar sheath 36, interior rotating shaft upper end is connected with rotary head 38-1, trocar sheath 36 upper end
It is fixedly connected with pallet 35, every two trocar sheaths 36 are realized being socketed by outer female connector 37, are provided with square at interior rotating shaft 38 front end
Rotary head 42, tail end is provided with connection square hole 41, every two interior rotating shafts 38 by square rotary head and being connected of being connected square hole, interior turn
Axle 38 lower end is provided with handwheel 39, and handwheel 39 is provided with connection rotary head 43, can with connection square hole 41 cooperation of interior rotating shaft 38 bottom even
Connect, pallet 35 is provided with and positions the transfer hole 40 of projecting apertures 11 cooperation.In operation, two handss hold handwheel 39 and overcoat respectively
Pipe 36, the lampshade 12 of pallet 35 and fault detector is after positioning projecting apertures 11 and the cooperation of transfer hole 40, square in interior rotating shaft 8
Joint 42 inserts in the square shrinkage pool 9-2 of push rod 9 bottom, then rotates handwheel 39, and interior rotating shaft can achieve flexibly in trocar sheath
Rotate, then drive push rod 9 to rotate by the rotation of interior rotating shaft, so that whole direct-push locking device above pushes away, clamp cable, complete
Become to install, when needing to unload, handwheel inverts.Interior rotating shaft and trocar sheath connect work by such mode, interior rotating shaft
Can be assembled with more than one piece with trocar sheath, realize the needs of differing heights, suitable work high above the ground, its material is insulating glass steel, insulation
Performance is good, it is possible to achieve hot line job, and colleague possesses easy to carry and function.And the Design of length of interior rotating shaft is to be longer than overcoat
The length of pipe, so after interior rotating shaft is placed on trocar sheath, inner tube has one section of distance of stretch out and draw back can meet above to stretch transformer
Rotating distance.
Because on long-term suspension and overhead transmission line, so must take into necessary waterproof measure, the fault detector of the present invention
Waterproof leak design, main casing is arranged to two individual cavity, and main circuit board 7 and stand-by battery box 5 are placed on closing
In exocoel 25 body, and warning circuit plate 14 is arranged in the seal cavity that waterproof cover 15 is formed with lampshade cover plate 10, two electricity
Road plate is independent sealed, plays good waterproof action, and is provided with circular water fender 1-1, circular water fender on hook 21
Lower end is provided with two pieces of vertical water fender 1-2, and circular water fender, just as a umbrella opened, when rainy, can effectively prevent
Rainwater enters into inner chamber from top or back, and secondly, main casing is provided with water bar 1- with hook link position along at interior accent
3, when rainwater enters laterally at interior accent, a part of water resistance can be interposed between outside by water bar, prevent it from entering in inner chamber.
In water-leaking structure design, by integrally-built optimization design, rainwater can only pass through two iron core mating surfaces
Gap in seepage come in, but the rainwater of seepage is seldom, the rainwater that seepage is come in gathers on waterproof cover 15 by inner chamber,
And the female thread of lampshade 12 passes through lampshade cover plate 10 and warning circuit plate 14 to extend directly into waterproof cover 15 top, completely cut off rainwater
Penetrate on warning circuit plate, and be provided with scupper 12-1 in lampshade internal thread hole upper end, rainwater can be by leaking under scupper
To in internal thread hole 22, now, the lower leakage of rainwater can because the cooperation of catch bar, push rod and internal thread hole, be affected, so setting
Timing, devises catch bar groove 6-2 in catch bar side, push rod side devises push rod groove 9-1 simultaneously, when leaking under rainwater
During to internal thread hole, by the groove on the catch bar groove and push rod 9 on catch bar, rainwater is exhausted directly to outside indicator, makes
The generation of hydrops is avoided in fault detector.
And two L-type iron cores are individually wrapped in inside, and it is wrapped in the L-type deck of periphery and hook is designed to sleeve
Mode, hook portion is designed to overcoat cartridge type, is square overcoat 28, and L-type deck is designed to inner sleeve cartridge type, is square inner sleeve 29, L
Have also been devised tight locking button at type cutting ferrule and hook cooperation, tight locking button include two fixture block 17-2 on L-type cutting ferrule and located at
Cutting ferrule 3-1 on hook.After two transformer iron core end faces close up, reach cross sealed, two contact surfaces of its iron core are protected
In sleeve, it is to avoid contact surface makes moist, aoxidized by rain and increase contact resistance and affected sampling precision, affected essence by dust invasion and attack
Degree.
Circuits System includes transformer 31, main circuit board 7, temperature sensor, warning circuit plate 14 and reserve battery, temperature
Sensor 44 sets and hook is interior, is connected with main circuit board 7, main circuit board and reserve battery are installed in exocoel 25, electricity of reporting to the police
Road plate is arranged on lampshade cover plate 10 upper end, and transformer is connected with main circuit board, main circuit board and warning circuit plate and reserve battery
32 connections, main circuit board is provided with wireless generating meanss 34, and warning circuit plate is provided with LED alarm lamp 8.
It is provided with light-emitting device, described light-emitting device includes light emitting diode, light-guiding pillar 13, light-guiding pillar withstands on to be sent out in lampshade
Optical diode lower end, light-guiding pillar 13 is four, square arrangement.
The operation principle of the present invention is：
When mounted, fault detector is acted on by provision for disengagement, so that hook is directly hung on overhead transmission line 30, then
Rotate the handwheel in provision for disengagement, catch bar is driven by push rod, so that whole activity L-type mandrel lower device straight line is slid up
Dynamic, until fixing L-type iron core 2 is adjacent to activity L-type iron core 23 inclined-plane, and cable is clamped in clamp 28 and hook fixation, setting
Spring in slide block lower end has individual thrust upwards to clamp, and clamp can be made tightly to clamp cable, by aforesaid operations, complete
The installation operation of paired fault indicator.
When cable is short-circuited or during fault, transformer transmits a signal to main circuit board 7, and main circuit board is by signal processing
Pass to warning circuit plate 14, the LED alarm lamp 8 on warning circuit plate lights, by the effect of light-guiding pillar 13, from remote 360 °
Can see that alarm lamp lights, so that maintainer is easily recognized, the wireless launcher 34 on main circuit board can be by fault simultaneously
Signal teletransmission, on relay reception harvester, is sent to control by relaying the means of communication such as GPRS or optical fiber on harvester
On the master station computer receptor 33 at center processed, handled information will forward on the mobile phone notifying maintainer automatically, with
When position of failure point found on computer interface, implement real-time detection and high-efficient maintenance.
And the temperature change of overhead transmission line is also one of overhead transmission line fault, temperature sensor 44 is passed through to detect overhead transmission line
Temperature change, give main circuit board 7 signal, when the temperature detecting exceedes assigned temperature, signal is passed to master by sensor
Circuit board, main circuit board sends warning circuit plate by optional for the fault-signal receiving to after safety chip ESAM encrypts
14, LED warning 8 lamps on warning circuit plate light, and 34 fault-signals transmission master station computer of wireless launcher connect simultaneously
Receive device.
Upper described be only an embodiment of the present utility model, not in order to limit the present invention, all in institute of the present invention
Belong to those skilled in the art described specific embodiment to be made with various modifications or supplements, or equivalent and improvement etc.,
Should be included within the scope of the present invention.
Claims (9)
1. overhead transmission line safe and intelligent fault detector, including main casing, transformer, control circuit and locking device, its feature
It is in described main casing body to be provided with transformer, transformer lower end connects direct-push locking device, and main casing upper end is provided with and main casing
The cable hook that body connects, transformer includes two groups of iron cores, and every group of iron core includes two pieces of L-shaped iron cores, and two pieces L-shaped
Iron core be respectively fixing L-type iron core and activity L-type iron core, fixing L-type iron core is oblique with the cutting contact surface of activity L-type iron core
Face, described fixing L-type iron core is fixedly mounted in hook, and activity L-type iron core is by described direct-push locking device and fixing L-type
Iron core is opened or closed.
2. overhead transmission line safe and intelligent fault detector according to claim 1 is it is characterised in that set in described main casing body
There are two individual cavity, respectively inner chamber and exocoel, located at outer intracavity, direct-push locking device is located at interior intracavity for control circuit.
3. overhead transmission line safe and intelligent fault detector according to claim 1 and 2 is it is characterised in that described direct-push is locked
Tight device includes slide clamp seat, catch bar, push rod, waterproof cover, lampshade cover plate and lampshade, waterproof cover located at intracavity bottom,
Located at exocoel bottom, the catch bar between waterproof cover and slide clamp seat is provided with big spring, lampshade cover plate lower end to lampshade cover plate
It is provided with lampshade, lampshade centre position is provided with internal thread hole, and push rod is provided with external screw thread, push rod passes through external screw thread and internal thread hole
Internal thread hole coupling is threaded onto in lampshade, and catch bar top is provided with dop, and dop is stuck in the draw-in groove of slide clamp seat lower end setting, pushes away
The built-in movable chamber in lever bottom, push rod top is provided with movable rotary head, and movable rotary head can achieve respectively located at movable intracavity, catch bar
Rotate relative to slide clamp seat and push rod.
4. overhead transmission line safe and intelligent fault detector according to claim 3 is it is characterised in that described push rod bottom sets
There is square inward recess, push rod side is provided with the push rod groove for water guide, described push rod groove at least, described catch bar
Side is provided with for leading the catch bar groove pushing away, described catch bar groove at least, and described lampshade internal thread hole upper end sets
There is scupper.
5. overhead transmission line safe and intelligent fault detector according to claim 3 is it is characterised in that described slide clamp seat bag
Include L-type cutting ferrule, two slide blocks and clamp, in L-type cutting ferrule, be provided with activity L-type iron core；Described clamp is located at upper end of slide block, sliding
Block both sides are provided with draw-in groove, and slide block is connected by the clamp rail that draw-in groove is arranged with interior intracavity, and slider bottom is propped up by waterproof cover
Support, is provided with little spring, L-type deck side is provided with two arm-ties being integrated with L-type deck, arm-tie between slide block and waterproof cover
It is provided with bar hole, slide block is provided with side corresponding with bar hole projection.
6. overhead transmission line safe and intelligent fault detector according to claim 1 is it is characterised in that described control circuit bag
Include main circuit board, temperature sensor, warning circuit plate and reserve battery, temperature sensor on slide clamp seat, with main circuit
Plate connects, and main circuit board and reserve battery are installed on outer intracavity, and warning circuit plate is arranged on lampshade cover plate, transformer and main electricity
Road plate connects, and main circuit board is connected with warning circuit plate and reserve battery, and main circuit board is provided with wireless transmitter module, electricity of reporting to the police
Road plate is provided with an emitting led alarm lamp, and lampshade cover plate lower end is provided with least one light-guiding pillar, and light-guiding pillar is placed in lampshade,
The cylindrical and lampshade lower surface of light-guiding pillar is designed to concaveconvex shape, and for amplifying light projection surface, the upper end of light-guiding pillar is against sending out
Light LED alarm lamp.
7. overhead transmission line safe and intelligent fault detector according to claim 1 is it is characterised in that described fixing L-type iron core
Be inclined-plane with the cutting contact surface of activity L-type iron core, the included angle A scope of its bevel angle and iron core cross section 45 ° to 90 ° it
Between, and the angle of chamfer of fixing L-type iron core engages coupling with the angle of chamfer of activity L-type iron core；It is cased with coil rack on described iron core,
Coil is wound with coil rack, described hook is connected as one with main casing；Described hook is provided with circular water fender, circular
Water fender lower end is provided with two pieces of vertical water fenders, and described main casing is provided with water bar with hook link position along at interior accent.
8. overhead transmission line safe and intelligent fault detector according to claim 5 is it is characterised in that described L-type cutting ferrule and extension
For sleeve connection at hook cooperation, the L-type cutting ferrule upper end of this sleeve connection is provided with square inner sleeve, and hook lower end is provided with square overcoat,
Inside it is placed in overcoat, be provided with tight locking button at described L-type cutting ferrule and hook cooperation, tight locking button includes two on L-type cutting ferrule
Individual fixture block and the cutting ferrule on hook.
9. a kind of provision for disengagement for overhead transmission line safe and intelligent fault detector is it is characterised in that described provision for disengagement includes
Rotary head, interior rotating shaft, trocar sheath, outer female connector, pallet and handwheel, are cased with interior rotating shaft, outer sleeve upper and pallet in described trocar sheath
It is fixedly connected, trocar sheath is realized by outer female connector being socketed, and is provided with square rotary head, tail end is provided with connection side at interior rotating shaft front end
Hole, interior rotating shaft is provided with handwheel by square rotary head and being connected of being connected square hole, interior rotating shaft lower end, and handwheel is provided with connection and turns
Head, can be connected with the connection square hole of interior rotating shaft bottom, and described pallet is provided with and positions the transfer hole of projecting apertures cooperation.
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| CN201410285495.7A CN104181440B (en) | 2014-06-24 | 2014-06-24 | Overhead transmission line safe and intelligent fault detector |
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| CN104181440B true CN104181440B (en) | 2017-03-08 |
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| CN104635031A (en) * | 2015-02-06 | 2015-05-20 | 海盐凌云威电子有限公司 | Voltage sensor for overhead line fault indicator based on equivalent charge |
| CN104833840B (en) * | 2015-05-22 | 2017-10-10 | 福建省宏科电力科技有限公司 | A kind of outdoor AC sampling apparatus |
| CN110347770A (en) * | 2019-07-09 | 2019-10-18 | 云南电网有限责任公司保山供电局 | A kind of electrified wire netting layout computer auxiliary decision-making support system |
| CN111579930B (en) * | 2020-05-27 | 2022-04-19 | 创新电力技术(海南)有限公司 | Ground fault detection positioning device |
| CN111579824B (en) * | 2020-05-27 | 2022-04-19 | 创新电力技术(海南)有限公司 | Ground fault detection device's transportation equipment |
| CN111624541B (en) * | 2020-05-27 | 2022-04-19 | 创新电力技术(海南)有限公司 | Calibration device of ground fault detection device |
| CN116520097B (en) * | 2023-07-05 | 2023-08-29 | 成都汉度科技有限公司 | High-altitude cable fault detection equipment |
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