CN109856440A - A kind of tester of detection 10kV arrester electrification electric current - Google Patents

A kind of tester of detection 10kV arrester electrification electric current Download PDF

Info

Publication number
CN109856440A
CN109856440A CN201910077716.4A CN201910077716A CN109856440A CN 109856440 A CN109856440 A CN 109856440A CN 201910077716 A CN201910077716 A CN 201910077716A CN 109856440 A CN109856440 A CN 109856440A
Authority
CN
China
Prior art keywords
clamp
fixed
iron core
insulating bar
groove
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910077716.4A
Other languages
Chinese (zh)
Inventor
黄炜昭
吴国峰
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.)
BAODING HENGXINDA ELECTRIC Co Ltd
Shenzhen Power Supply Bureau Co Ltd
Original Assignee
BAODING HENGXINDA ELECTRIC Co Ltd
Shenzhen Power Supply Bureau Co Ltd
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 BAODING HENGXINDA ELECTRIC Co Ltd, Shenzhen Power Supply Bureau Co Ltd filed Critical BAODING HENGXINDA ELECTRIC Co Ltd
Priority to CN201910077716.4A priority Critical patent/CN109856440A/en
Publication of CN109856440A publication Critical patent/CN109856440A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)

Abstract

The present invention provides a kind of tester of detection 10kV arrester electrification electric current, and top and the erecting bed of insulating bar are fixed, and is equipped on erecting bed and determines clamp, dynamic clamp, circuit board and power module;Determine the first magnetic induction portion that clamp includes the first fixed mounting portion and is made of the first iron core and coil;Dynamic clamp includes the second mounting portion being rotatablely installed and the second magnetic induction portion being made of the second iron core and coil;Reset spring is fixed between the first and second mounting portions, makes the first and second iron cores at the closed loop of head and the tail connection;Insulation traction rope is fixed with the second magnetic induction portion, compression reseting spring when drop-down, makes the first and second iron cores disconnection closed loop, after the entrance of 10kV arrester ground lead, it unclamps drop-down reset spring to reset, the first and second iron cores are connected at head and the tail again, realize current signal acquisition and detection function.Implement the present invention, change current sensor holding mode, enhance worker safety's operating distance, avoids the risk of electric shock.

Description

A kind of tester of detection 10kV arrester electrification electric current
Technical field
The present invention relates to 10kV arrester detection of electrical leakage technical field more particularly to a kind of detection 10kV arrester electrification electricity The tester of stream.
Background technique
Arrester live detection is the effective means for detecting arrester built-in electrical insulation performance, passes through the lightning-arrest leakage electricity of detection The amplitude and phase of stream, the problems such as can effectively finding arrester valve piece aging, make moist.
Currently, the main means of detection leakage current of an arrester are that pincerlike current sensor is directly held by staff, Jaw to be opened and after blocking arrester ground lead to be detected, obtains arrester to be detected by way of electromagnetic induction Ground lead current signal come realize arrester electrification electric current detection.
Aforesaid way is only applicable to 110kV and the biggish arrester checks of the above insulation distance.But it is lightning-arrest to carry out 10kV When device live detection, since 10kV arrester ground lead distance 10kV energized conductor only has 0.25 ~ 0.3 meter, and staff Distance 10kV charging equipment should at least reach 0.7 meter (i.e. safe distance), if still directly holding pincerlike current sense using above-mentioned The operation mode of device, because the distance between staff's hand and 10kV energized conductor (i.e. 0.25 ~ 0.3 meter) is less than safe distance (0.7 meter), to there is the risk of electric shock.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of survey of detection 10kV arrester electrification electric current Try instrument, changing by way of current sensor is directly held in the prior art, it is effective enhance worker safety's operation away from From to avoid the risk got an electric shock when detection 10kV arrester electrification electric current.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of surveys of detection 10kV arrester electrification electric current Try instrument, matched with 10kV arrester ground lead, including insulating bar, erecting bed, determine clamp, move clamp, reset spring with And insulation traction rope;Wherein,
One end of the erecting bed and the top of the insulating bar are mutually fixed, and the other end, which is equipped with, described determines clamp and the dynamic pincers Folder, and the middle part between both ends is equipped with the circuit board and power module tested and analyzed for current signal;Wherein, the circuit Be reserved on plate respectively with two interfaces determining clamp and the dynamic clamp and being connected;
It is described determine clamp include the first mounting portion and the first magnetic induction portion;Wherein, first mounting portion and the erecting bed phase It is fixed, first magnetic induction portion is fixed on one end far from the insulating bar, intermediate position is equipped with for described in fixation First fixed bit of reset spring one end;First magnetic induction portion includes the first iron core and is wrapped in the outer of first iron core Surface and the first coil being connected with the interface that the circuit board is reserved;
The dynamic clamp includes the second mounting portion and the second magnetic induction portion;Wherein, second mounting portion is rotated by shaft It is installed on the erecting bed, second magnetic induction portion is fixed on one end far from the insulating bar, middle part, which is equipped with, to be used In the second fixed bit of the fixation reset spring other end;Second magnetic induction portion includes the second iron core and is wrapped in described The outer surface of second iron core and the second coil being connected with another interface that the circuit board is reserved, and the two of second iron core It holds and is oppositely arranged with the both ends of first iron core;
The both ends of the reset spring are individually fixed in the first fixed bit set by first mounting portion and second installation After second fixed bit set by portion, the second iron core on first iron core determined on clamp and the dynamic clamp is allowed to form head and the tail The closed loop iron core of connection;
One end of the insulation traction rope is mutually fixed with second magnetic induction portion, and the other end is set close to the bottom end of the insulating bar It sets;
Wherein, when the insulation traction rope is applied drop-down external force, the dynamic clamp is driven to determine clamp direction fortune along far from described The reset spring is moved and compressed, allows first iron core for determining clamp to disconnect closed loop with the second iron core of the dynamic clamp and connects It is formed with the gap for 10kV arrester ground lead disengaging, and to the 10kV arrester ground lead positioned at described After determining between the first iron core of clamp and the second iron core of the dynamic clamp, unclamps the insulation traction rope and pull down external force, make institute Reset spring reset is stated, the second iron core of first iron core for determining clamp and the dynamic clamp is allowed to form head and the tail connection again Closed loop iron core is realized to the current signal acquisition of the 10kV arrester ground lead and detection function.
Wherein, further includes: driving component;The driving component includes towing plate and bail;Wherein,
One end rotation of the towing plate is installed on the one end of the erecting bed far from the insulating bar, and the other end is fixed Bail is stated, the middle part between both ends is fixed with the insulation traction rope;
The bail is ring structure, and inner ring sleeve is set to the outer surface at the middle part in the second magnetic induction portion of the dynamic clamp On, and annular diameters are less than the length in second magnetic induction portion;
Wherein, when the insulation traction rope is applied drop-down external force, the towing plate is pulled to determine clamp direction fortune along far from described It is dynamic, and the dynamic clamp is driven to determine clamp side along far from described after driving the bail to move to the second position from first position To movement;
When the insulation traction rope is released drop-down external force, the dynamic clamp is driven using the active force that the reset spring resets Towards it is described determine clamp direction move, and drive the bail to restore to the first position to come from the second position so that The towing plate determines clamp direction exercise recovery to original state towards described.
Wherein, the bail is made of upper clamp plate and lower clamp plate;Wherein,
Made of the upper clamp plate includes the first bottom plate and extends in the same direction along the edge of the first bottom plate opposite sides First side plate and the second side plate;Wherein, it is reserved between first side plate and second side plate for accommodating the dynamic pincers First space of the lateral wall in the second magnetic induction portion of folder;
Made of the lower clamp plate includes the second bottom plate and extends in the same direction along the edge of the second bottom plate opposite sides Third side plate and the 4th side plate;Wherein, it is reserved between the third side plate and the 4th side plate for accommodating the dynamic pincers The lateral wall in the second magnetic induction portion of folder removes the second space of the exterior domain positioned at first space;
Wherein, it is connected with the third side plate between the upper clamp plate and the lower clamp plate by first side plate and described second On the outer surface at the middle part in side plate and complete the second magnetic induction portion set on the dynamic clamp of the 4th side plate assembled end Closed loop configuration.
Wherein, the erecting bed includes lower case and the upper housing that is installed on above the lower case;Wherein,
The first groove and the second groove are formed in the lower case;Wherein, first groove is towards the insulating bar direction Setting, and accommodate the circuit board and the power module;Second groove is arranged far from the insulating bar direction, bottom Wall is equipped with the first positioning column for installing first mounting portion for determining clamp, and is being located remotely from the insulating bar direction Side wall on and the corresponding adjacent side wall far from first positioning column direction on offer the opening being connected simultaneously;Institute The first mounting portion of clamp and the second mounting portion of the dynamic clamp are determined described in the openings house for stating the second groove, and are equipped with and are used for The first positioning hole of installed shaft one end on second mounting portion of the fixed dynamic clamp;
Third groove corresponding with first groove and corresponding with second groove is formed on the upper housing The 4th groove;Wherein, the third groove is arranged towards the insulating bar direction, and is covered on the circuit board and the electricity The top of source module;4th groove is arranged far from the insulating bar direction, and bottom wall is equipped with for determining with described first The second positioning column for matching of position column, and it is on the side wall for being located remotely from the insulating bar direction and corresponding adjacent far from described The opening being connected is offered on the side wall in the second positioning column direction simultaneously;It is clamped surely described in the openings house of 4th groove First mounting portion of folder and the second mounting portion of the dynamic clamp, and it is equipped with the second mounting portion for fixing the dynamic clamp The second location hole of the installed shaft other end;
Wherein, after the lower case and the upper housing are fastened and are fixed together, first groove and the third groove Between accommodate the circuit board and the power module, it is described fixed to accommodate between second groove and the 4th groove Second mounting portion of the first mounting portion of clamp and the dynamic clamp, and opening between second groove and the 4th groove Mouth becomes the gap that the second magnetic induction portion of the dynamic clamp passes in and out.
Wherein, consolidated between the top of the insulating bar and the erecting bed by tail portion fixed block and fixed handwheel It is fixed;Wherein,
The insulating bar be formed on the side side towards the tail portion fixed block circumferential multiple double wedges and Third location hole positioned at the multiple double wedge circle distribution center, and the multiple double wedge and the third location hole are close to The top of the insulating bar is arranged;
First card slot fixed for the side clamping of the tail portion fixed block is formed in the lower case of the erecting bed, it is described The upper housing of erecting bed is formed with second card slot fixed for the other side clamping of the tail portion fixed block;
The tail portion fixed block is cylinder, the through-hole of the cylinder is formed through in central axial direction, and at center Second with the first card slot of the lower case and the upper housing is respectively formed in two opposing sidewalls on axis direction Two horizontal location tenons of card slot phase clamping cooperation, and be formed on one end end face towards the insulating bar with described logical The central point in hole is that the center of circle carries out circle distribution and formed with multiple double wedges on the insulating bar to engage the multiple of connection cooperation Vertical tenon;
The fixed handwheel includes turntable and rotating bar;Wherein, the rotating bar pass perpendicularly through the turntable and with described turn Disk is mutually fixed together, and one end is fixed on the insulation after the tail portion fixed block along the through-hole of the tail portion fixed block On the third location hole of bar;
Wherein, two horizontal location tenons of the tail portion fixed block are fixed on the first card slot and the upper casing of the lower case After second card slot of body, by rotating the fixed handwheel, make the vertical tenon of the tail portion fixed block and the insulating bar Dislocation engagement occurs between double wedge, realizes that the corner dimension between the insulating bar and the erecting bed changes.
Wherein, further includes: insulation traction rope limited block;Wherein,
The insulation traction rope limited block includes horizontal block and is set on the horizontal baffle same side and sets relatively Two rectangular blocks set;Wherein, the rotating bar of the horizontal block and the fixed handwheel is far from one end of the insulating bar It is mutually fixed;Described two rectangular blocks are and equal with the rotating bar of the fixed handwheel towards the turntable of the fixed handwheel Row;It is reserved between each rectangular block and the rotating bar of the fixed handwheel and between the turntable of the fixed handwheel Accommodate it is described insulation traction rope disengaging gap, and the length of each rectangular block be all larger than it is described insulation traction rope rope it is wide.
Wherein, further includes: rolling bearing;Wherein,
The rolling bearing is installed in the rotating bar of the fixed handwheel, and be located at the fixed handwheel turntable and it is described absolutely Between the horizontal block of edge traction rope limited block, and it is formed around with along perimeter for institute on the outer surface of the rolling bearing State the annular groove that insulation traction rope is limited.
Wherein, further includes: tail portion block, charging connector and button switch;Wherein,
The lower case of the erecting bed is equipped between first groove and first card slot and is used for the tail portion block card Fixed third card slot is held, the upper housing of the erecting bed is equipped between the third groove and second card slot and is used for institute State the 4th fixed card slot of tail portion block clamping;
The first mounting hole for installing the charging connector is formed on the tail portion block and for installing the button Second mounting hole of switch;
The charging connector is installed on the first mounting hole of the tail portion block, and is connected with the power module;
The button switch is installed on the second mounting hole of the tail portion block, and is connected with the circuit board.
Wherein, the second iron core of first iron core for determining clamp and the dynamic clamp is semicircular structure.
Wherein, the insulating bar is made by glass fibre.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, in embodiments of the present invention, in lightning arrester live-line test operation, the first of clamp is determined by insulation traction rope control Current sensor jaw is realized in the folding (i.e. the open and close of the closed loop of head and the tail connection) of second iron core of iron core and dynamic clamp Folding makes staff that the test of arrester electrification electric current can be completed in the case where keeping and 10kV conductor safe distance, It is effective to enhance worker safety's operating distance to change the mode that current sensor in the prior art is directly held, Avoid the risk of electric shock;
2, in embodiments of the present invention, consolidated between the top and erecting bed of insulating bar by tail portion fixed block and fixed handwheel It is fixed, and handwheel is fixed by rotating, generation dislocation between the vertical tenon of tail portion fixed block and the double wedge of insulating bar is engaged, Realize that the corner dimension between insulating bar and erecting bed changes, to meet the needs of staff's test angle.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without any creative labor, according to These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the general assembly drawing for the tester that detection 10kV arrester provided in an embodiment of the present invention charges electric current;
Fig. 2 is the exploded perspective figure for the tester that detection 10kV arrester provided in an embodiment of the present invention charges electric current;
Fig. 3 is the schematic perspective view of the upper clamp plate of bail in Fig. 1;
Fig. 4 is the schematic perspective view of the lower clamp plate of bail in Fig. 1
Fig. 5 is the schematic perspective view of the upper housing of erecting bed in Fig. 1;
Fig. 6 is the schematic perspective view of the lower case of erecting bed in Fig. 1;
Fig. 7 is the schematic perspective view that clamp is determined in Fig. 1;
Fig. 8 is the schematic perspective view that clamp is moved in Fig. 1;
Fig. 9 is the sectional perspective structural schematic diagram of insulating bar in Fig. 1;
Figure 10 is the schematic perspective view of tail portion fixed block in Fig. 1;
Figure 11 is the schematic perspective view that handwheel is fixed in Fig. 1;
Figure 12 is the schematic perspective view of insulation traction rope limited block in Fig. 1.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing Step ground detailed description.
The direction and position term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", " Outside ", " top ", " bottom ", " side " etc. are only direction or position with reference to attached drawing.Therefore, the direction used and position term It is rather than the limiting the scope of the invention to illustrate and understand the present invention.
It as shown in Figures 1 to 12, is a kind of survey of the detection 10kV arrester electrification electric current in the embodiment of the present invention, provided Try instrument, matched with 10kV arrester ground lead (not shown), including insulating bar 1, erecting bed 2, determine clamp 3, move clamp 4, reset spring 5 and insulation traction rope 6;Wherein,
One end of erecting bed 2 and the top for the insulating bar 1 being made by glass fibre are mutually fixed, and the other end, which is equipped with, determines clamp 3 and dynamic clamp 4, and the middle part between both ends is equipped with the circuit board 21 tested and analyzed for current signal and power module (such as The lithium battery of charging);Wherein, it is reserved with respectively with two interfaces determining clamp 3 and dynamic clamp 4 and be connected, is used on circuit board 21 Current signal acquisition;Certainly, the interface of the performances push-button switch such as starting or disconnection and interruption can be also reserved with;
Determining clamp 3 includes the first mounting portion 31 and the first magnetic induction portion 32;Wherein, the first mounting portion 31 is fixed with 2 phase of erecting bed, It is fixed with the first magnetic induction portion 32 on one end far from insulating bar 1, intermediate position is equipped with for 5 one end of fixed reset spring First fixed bit;First magnetic induction portion 32 includes the first iron core and the outer surface for being wrapped in the first iron core and reserves with circuit board 21 The connected first coil of an interface;
Dynamic clamp 4 includes the second mounting portion 41 and the second magnetic induction portion 42;Wherein, the peace that the second mounting portion 41 is rotated by shaft Loaded on the second magnetic induction portion 42 on erecting bed 2, is fixed on one end far from insulating bar 1, middle part, which is equipped with, is used for fixed reset Second fixed bit of 5 other end of spring;Second magnetic induction portion 42 includes the second iron core and is wrapped in the outer surface of the second iron core simultaneously The second coil being connected with another interface that circuit board 21 is reserved, and the both ends of the second iron core and the both ends of the first iron core carry out phase To setting;It should be noted that shaft should be set as close as possible to the connected end between the second mounting portion 41 and the second magnetic induction portion 42 It sets, according to principle of moments in mechanics, learns and be provided in this way conducive to the reset of reset spring 5;
The both ends of reset spring 5 are individually fixed in set by the first fixed bit set by the first mounting portion 31 and the second mounting portion 41 After second fixed bit, allows and determine the closed loop iron that the second iron core on the first iron core and dynamic clamp 4 on clamp 3 forms head and the tail connection Core;
One end of insulation traction rope 6 is fixed with 42 phase of the second magnetic induction portion, and the other end is arranged close to the bottom end of insulating bar 1;
Wherein, when insulation traction rope 6 is applied drop-down external force, drive dynamic clamp 4 along moving and compress again far from determine 3 direction of clamp Position spring 5 allows the second iron core of the first iron core for determining clamp 3 and dynamic clamp 4 to disconnect closed loop and connect to be formed with and takes shelter from the thunder for 10kV The gap of device ground lead disengaging, and it is located to 10kV arrester ground lead the of the first iron core and dynamic clamp 4 of determining clamp 3 It after between two iron cores, unclamps insulation traction rope 6 and pulls down external force, reset reset spring 5, allow and determine the first iron core of clamp 3 and dynamic Second iron core of clamp 4 forms the closed loop iron core of head and the tail connection again, realizes the current signal to 10kV arrester ground lead Acquisition and detection function.
It should be noted that the second mounting portion 41 and the first mounting portion 31 are staggered (such as scissors or so handle), Second iron core of the first iron core and dynamic clamp 4 that can be achieved with determining clamp 3 in this way disconnects closed loop to meet 10kV arrester ground Lead disengaging and current signal acquisition, detection.Since the second mounting portion 41 and the first mounting portion 31 are staggered, at this moment Need to determine the first iron core of clamp 3 or the second iron core of dynamic clamp 4 both ends be each formed with other side enter realize end face fitting and Other side leaves the stepped section for realizing that end face is detached from.In one example, determine clamp 3 the first iron core and dynamic clamp 4 Two iron cores are semicircular structure;Wherein, the both ends end face of the first iron core is respectively facing second iron core and extends two columns Shape convex block, and the width of each convex block is respectively less than the both ends end face width of the first iron core;The both ends of reset spring 5 are individually fixed in After second fixed bit set by first fixed bit set by first mounting portion 31 and the second mounting portion 41, second on clamp 4 is moved The both ends end face of iron core is bonded with the first iron core both ends end face determined on clamp 3 respectively, forms the first iron core and the second iron core The closed loop iron core of head and the tail connection.
In embodiments of the present invention, in order to improve the safety of staff's operation and protect the wind of dynamic 4 drawing crack of clamp Danger, it may be considered that insulation traction rope 6 is not directly anchored on dynamic clamp 4, is improved by other driving components.
Therefore, tester further include: driving component, the driving component include towing plate 71 and bail 72;Wherein, it draws One end rotation of plate 71 is installed on the one end of erecting bed 2 far from insulating bar 1, and the other end is fixed with bail 72, between both ends Middle part be fixed with insulation traction rope 6;Bail 72 is ring structure, and inner ring sleeve is set to the second magnetic induction portion of dynamic clamp 4 On the outer surface at 42 middle part, and annular diameters are less than the length in the second magnetic induction portion 42;
When the traction rope 6 that insulate is applied drop-down external force, pull towing plate 71 along moving far from determining 3 direction of clamp, and drive and lead Draw and drives dynamic clamp 4 along moving far from determining 3 direction of clamp after ring 72 moves to the second position from first position;And when insulation traction When rope 6 is released drop-down external force, dynamic clamp 4 is driven to move towards 3 direction of clamp is determined using the active force that reset spring 5 resets, And drive bail 72 to restore to first position to come from the second position so that towing plate 71 towards determine 3 direction exercise recovery of clamp to Original state.
It is understood that bail 72 can be integrally formed, it is also possible to dismountable mode and forms.In an example In, disassembly is improved using dismountable mounting means and the convenient of operation is installed, and bail 72 is by upper clamp plate 721 under at this time Clamping plate 722 forms;Wherein, upper clamp plate 721 include the first bottom plate 7211 and along the edge of 7211 opposite sides of the first bottom plate towards same First side plate 7212 and the second side plate 7213 made of one direction extends;Wherein, the first side plate 7212 and the second side plate 7213 it Between be reserved with the second magnetic induction portion 42 for accommodating dynamic clamp 4 lateral wall the first space;
Lower clamp plate 722 includes the second bottom plate 7221 and extends in the same direction along the edge of 7221 opposite sides of the second bottom plate Third side plate 7222 and the 4th side plate 7223;Wherein, it is reserved between third side plate 7222 and the 4th side plate 7223 for holding Receive clamp 4 the second magnetic induction portion 42 lateral wall remove positioned at the first space exterior domain second space;
Wherein, it is connected with third side plate 7222 between upper clamp plate 721 and lower clamp plate 722 by the first side plate 7212 and the second side plate 7213 with closing on the outer surface at the middle part in complete the second magnetic induction portion 42 for being set to dynamic clamp 4 of 7223 assembled end of the 4th side plate Ring structure.Certainly, upper clamp plate 721 and lower clamp plate 722 are that lock between the two is realized by fastener or other latching devices Tight and disengaging, and the installation position of fastener or other latching devices is that setting is corresponding on upper clamp plate 721 and lower clamp plate 722 On side plate.
In embodiments of the present invention, erecting bed 2 guarantees the safety of internal part using the box body structure fastened and makes With the service life, erecting bed 2 includes lower case 22 and the upper housing 23 for being installed on 22 top of lower case at this time;Wherein,
The first groove 221 and the second groove 222 are formed in lower case 22;Wherein, the first groove 221 is towards 1 direction of insulating bar Setting, and accommodate circuit board 21 and power module;Second groove 222 is arranged far from 1 direction of insulating bar, and bottom wall, which is equipped with, to be used In installation determine clamp 3 the first mounting portion 31 the first positioning column 2221, and on the side wall for being located remotely from 1 direction of insulating bar and The opening being connected is offered simultaneously on the corresponding adjacent side wall far from 2221 direction of the first positioning column;Second groove 222 Openings house determine the first mounting portion 31 of clamp 3 and the second mounting portion 41 of dynamic clamp 4, and be equipped with for fixed dynamic clamp 4 The second mounting portion 41 on installed shaft one end first positioning hole 2222;
Third groove 231 corresponding with the first groove 221 and corresponding with the second groove 222 is formed on upper housing 23 4th groove 232;Wherein, third groove 231 is arranged towards 1 direction of insulating bar, and is covered on circuit board 21 and power module Top;4th groove 232 is arranged far from 1 direction of insulating bar, and bottom wall is equipped with for matching with the first positioning column 2221 Second positioning column 2321, and it is on the side wall for being located remotely from 1 direction of insulating bar and corresponding adjacent far from the second positioning column 2321 The opening being connected is offered on the side wall in direction simultaneously;The openings house of 4th groove 232 determines the first mounting portion of clamp 3 31 and dynamic clamp 4 the second mounting portion 41, and it is another to be equipped with installed shaft on the second mounting portion 41 for fixed dynamic clamp 4 The second location hole 2232 at end;
Wherein, after lower case 22 and upper housing 23 are fastened and be fixed together, hold between the first groove 221 and third groove 231 Receiving has circuit board 21 and power module, accommodates the first mounting portion for determining clamp 3 between the second groove 222 and the 4th groove 232 31 and dynamic clamp 4 the second mounting portion 41, and the opening between the second groove 222 and the 4th groove 232 becomes the of dynamic clamp 4 The gap of two magnetic induction portions 42 disengaging.
In embodiments of the present invention, meet work people to realize between insulating bar 1 and erecting bed 2 corner dimension adjustment The operational requirements of member, have carried out corresponding design to the connection structure between insulating bar 1 and erecting bed 2.At this point, the top of insulating bar 1 It is fixed between end and erecting bed 2 by tail portion fixed block 8 and fixed handwheel 9.
Wherein, insulating bar 1 is formed with circumferential multiple double wedges 11 on the side side towards tail portion fixed block 8 And the third location hole 12 positioned at multiple 11 circle distribution centers of double wedge, and multiple double wedges 11 and third location hole 12 are close to The top of insulating bar 1 is arranged;
First card slot 223 fixed for the side clamping of tail portion fixed block 8, installation are formed in the lower case 22 of erecting bed 2 The upper housing 23 of platform 2 is formed with second card slot 233 fixed for the other side clamping of tail portion fixed block 8;
Tail portion fixed block 8 is cylinder, the through-hole 81 of cylinder is formed through in central axial direction, and in central axis side The second card slot 233 with the first card slot 223 of lower case 22 and upper housing 23 is respectively formed in two upward opposing sidewalls Two horizontal location tenons 82 of phase clamping cooperation, and be formed on one end end face towards insulating bar 1 with the through-hole 81 Central point is that the center of circle carries out circle distribution and formed with multiple double wedges 11 on insulating bar 1 to engage the multiple vertical convex of connection cooperation Tenon 83;
Fixed handwheel 9 includes turntable 91 and rotating bar 92;Wherein, rotating bar 92 passes perpendicularly through turntable 91 and consolidates with 91 phase of turntable It is scheduled on together, one end is fixed on the third positioning of insulating bar 1 along the through-hole 81 of tail portion fixed block 8 after tail portion fixed block 8 On hole 12;
Wherein, two horizontal location tenons 82 of tail portion fixed block 8 are fixed on the first card slot 223 and upper housing 23 of lower case 22 The second card slot 233 after, by rotating fixed handwheel 9, make the vertical tenon 83 of tail portion fixed block 8 and the double wedge 11 of insulating bar 1 Between dislocation engagement occurs, realize that the corner dimension between insulating bar 1 and erecting bed 2 changes.
In embodiments of the present invention, it in order to avoid insulation traction rope 6 to shake in operation as far as possible, therefore also wraps It includes: for shake to insulation traction rope 6 the insulation traction rope limited block 10 of limitation;Wherein, insulate traction rope limited block 10 Including horizontal block 101 and two rectangular blocks 102 being set on 101 same side of horizontal baffle and be oppositely arranged;Its In, the one end of horizontal block 101 with rotating bar 92 far from insulating bar 1 is mutually fixed;Two rectangular blocks 102 are towards fixed handwheel 9 turntable 91, and it is parallel with the fixed rotating bar 92 of handwheel 9;The rotating bar 92 of each rectangular block 102 and fixed handwheel 9 Between and be reserved between the turntable 91 of fixed handwheel 9 gap of the disengaging of housing insulation traction rope 6, and each vertical gear The rope that the length of block 102 is all larger than insulation traction rope 6 is wide.
In embodiments of the present invention, occur shaking in operation and real to further avoid insulation traction rope 6 Now draw insulation traction rope 6 laborsaving, therefore further include: for realizing the rolling bearing 110 of pulley function to insulation traction rope 6; Wherein, rolling bearing 110 is installed in the rotating bar 92 of fixed handwheel 9, and is located at turntable 91 and the insulation traction of fixed handwheel 9 Between the horizontal block 101 of rope limited block 10, and it is formed around with along perimeter for insulation on the outer surface of rolling bearing 110 The annular groove that traction rope 6 is limited.
In embodiments of the present invention, in order to realize the airtightness and the functions such as charging and unlatching of 2 internal components of erecting bed, Therefore detector further include: tail portion block 120, charging connector 130 and button switch 140;Wherein, the lower case 22 of erecting bed 2 The third card slot 224 fixed for 120 clamping of tail portion block, erecting bed are equipped between the first groove 221 and the first card slot 223 2 upper housing 23 is equipped with fourth card fixed for 120 clamping of tail portion block between third groove 231 and the second card slot 233 Slot 234;The first mounting hole 1201 for installing charging connector 130 is formed on tail portion block 120 and for installing button Second mounting hole 1202 of switch 140;Charging connector 130 is installed on the first mounting hole 1201 of tail portion block 120, and with electricity Source module is connected;Button switch 140 is installed on the second mounting hole 1202 of tail portion block 120, and is connected with circuit board 21.
The use principle that one of embodiment of the present invention detects the tester of 10kV arrester electrification electric current is to test In the process, circuit board 21 and the operation of other components first in staff's open detection instrument;Secondly, hand-held insulating bar 1 is close Insulation traction rope 6 is pulled after 10kV arrester ground lead, is driven bail 72 to move to the second position from first position and is carried out band Dynamic dynamic clamp 4 allows the second iron core disconnection closed loop of the first iron core and dynamic clamp 4 of determining clamp 3 along moving far from determine 3 direction of clamp Connection is formed with the gap for the disengaging of 10kV arrester ground lead;Then, mobile insulating bar 1, to 10kV arrester ground Lead unclamps insulation traction rope 6 and pulls down external force, benefit after determining between the first iron core of clamp 3 and the second iron core of dynamic clamp 4 It drives dynamic clamp 4 to move towards 3 direction of clamp is determined with the active force that reset spring 5 resets, and drives bail 72 from second Recovery is set to first position, so that towing plate 71 allows again towards 3 direction exercise recovery of clamp is determined to original state and determines clamp 3 The first iron core and dynamic clamp 4 the second iron core formed again head and the tail connection closed loop iron core become one closure ring current Sensor can be realized to the current signal acquisition of 10kV arrester ground lead and detection function.
Certainly, if feeling, the first iron core of clamp 3 and the second iron core of dynamic clamp 4 are determined in the disengaging of 10kV arrester ground lead The gap of formation is inconvenient or to look up operation more difficult, can also make tail portion fixed block 8 by rotating fixed handwheel 9 Dislocation occurs between vertical tenon 83 and the double wedge 11 of insulating bar 1 to engage, realizes that the angle between insulating bar 1 and erecting bed 2 is big It is small to change to meet the demand of the operational requirements of staff and test angle.
After the completion of test, staff pulls insulation traction rope 6 first, allows the first iron core and dynamic clamp 4 for determining clamp 3 The second iron core disconnect closed loop connection;Then, mobile insulating bar 1, so that 10kV arrester ground lead, which is located at, determines the of clamp 3 Except second iron core of one iron core and dynamic clamp 4, the disengaging of tester Yu 10kV arrester ground lead can be realized.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, in embodiments of the present invention, in lightning arrester live-line test operation, the first of clamp is determined by insulation traction rope control Current sensor jaw is realized in the folding (i.e. the open and close of the closed loop of head and the tail connection) of second iron core of iron core and dynamic clamp Folding makes staff that the test of arrester electrification electric current can be completed in the case where keeping and 10kV conductor safe distance, It is effective to enhance worker safety's operating distance to change the mode that current sensor in the prior art is directly held, Avoid the risk of electric shock;
2, in embodiments of the present invention, consolidated between the top and erecting bed of insulating bar by tail portion fixed block and fixed handwheel It is fixed, and handwheel is fixed by rotating, generation dislocation between the vertical tenon of tail portion fixed block and the double wedge of insulating bar is engaged, Realize that the corner dimension between insulating bar and erecting bed changes, to meet the needs of staff's test angle.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.

Claims (10)

1. a kind of tester of detection 10kV arrester electrification electric current, matches, feature with 10kV arrester ground lead It is, including insulating bar (1), erecting bed (2), determines clamp (3), dynamic clamp (4), reset spring (5) and insulation traction rope (6);Wherein,
One end of the erecting bed (2) and the top of the insulating bar (1) are mutually fixed, and the other end, which is equipped with, described determines clamp (3) With the dynamic clamp (4), and the middle part between both ends be equipped with for current signal test and analyze circuit board (21) and power supply Module;Wherein, be reserved on the circuit board (21) respectively with two for determining clamp (3) and the dynamic clamp (4) and being connected Interface;
It is described determine clamp (3) include the first mounting portion (31) and the first magnetic induction portion (32);Wherein, first mounting portion (31) It is mutually fixed with the erecting bed (2), first magnetic induction portion (32) is fixed on one end far from the insulating bar (1), Intermediate position is equipped with the first fixed bit for fixing the reset spring (5) one end;First magnetic induction portion (32) includes First iron core and be wrapped in first iron core outer surface and with the circuit board (21) reserve an interface be connected first Coil;
The dynamic clamp (4) includes the second mounting portion (41) and the second magnetic induction portion (42);Wherein, second mounting portion (41) It is installed on the erecting bed (2) by what shaft rotated, described second is fixed on one end far from the insulating bar (1) Magnetic induction portion (42), middle part are equipped with the second fixed bit for fixing the reset spring (5) other end;Second magnetic induction Portion (42) includes the second iron core and the outer surface for being wrapped in second iron core and another connects with what the circuit board (21) were reserved The second connected coil of mouth, and the both ends of second iron core and the both ends of first iron core are oppositely arranged;
The both ends of the reset spring (5) are individually fixed in the first fixed bit set by first mounting portion (31) and described After second fixed bit set by two mounting portions (41), allow on first iron core determined on clamp (3) and the dynamic clamp (4) Second iron core forms the closed loop iron core of head and the tail connection;
One end of insulation traction rope (6) is mutually fixed with second magnetic induction portion (42), and the other end is close to the insulating bar (1) bottom end setting;
Wherein, when the insulation traction rope (6) is applied drop-down external force, the dynamic clamp (4) is driven to determine clamp along far from described (3) direction moves and compresses the reset spring (5), allows the of first iron core for determining clamp (3) and the dynamic clamp (4) Two iron cores disconnect closed loop connection and are formed with the gap passed in and out for the 10kV arrester ground lead, and lightning-arrest to the 10kV After device ground lead is between first iron core for determining clamp (3) and the second iron core of the dynamic clamp (4), described in release Insulate traction rope (6) pull down external force, make the reset spring (5) reset, allow first iron core for determine clamp (3) and it is described move Second iron core of clamp (4) forms the closed loop iron core of head and the tail connection again, realizes the electricity to the 10kV arrester ground lead Flow signal acquisition and detection function.
2. the tester of detection 10kV arrester electrification electric current as described in claim 1, which is characterized in that further include: traction Component;The driving component includes towing plate (71) and bail (72);Wherein,
One end for being installed on the erecting bed (2) separate the insulating bar (1) of one end rotation of the towing plate (71), it is another End is fixed with the bail (72), and the middle part between both ends is fixed with the insulation traction rope (6);
The bail (72) is ring structure, and inner ring sleeve is set in the second magnetic induction portion (42) of the dynamic clamp (4) On the outer surface in portion, and annular diameters are less than the length in second magnetic induction portion (42);
Wherein, when the insulation traction rope (6) is applied drop-down external force, the towing plate (71) is pulled to determine clamp along far from described (3) direction moves, and dynamic clamp (4) edge is driven after driving the bail (72) to move to the second position from first position The movement of clamp (3) direction is determined far from described;
When the insulation traction rope (6) is released drop-down external force, driven using the active force that the reset spring (5) reset described Dynamic clamp (4) determine the movement of clamp (3) direction towards described, and the bail (72) is driven to restore from the second position to institute First position is stated to come so that the towing plate (71) determines clamp (3) direction exercise recovery to original state towards described.
3. the tester of detection 10kV arrester electrification electric current as claimed in claim 2, which is characterized in that the bail (72) it is made of upper clamp plate (721) and lower clamp plate (722);Wherein,
The upper clamp plate (721) include the first bottom plate (7211) and along the edge of the first bottom plate (7211) opposite sides towards same First side plate (7212) and the second side plate (7213) made of one direction extends;Wherein, first side plate (7212) and described The first of the lateral wall in the second magnetic induction portion (42) for accommodating the dynamic clamp (4) is reserved between second side plate (7213) Space;
The lower clamp plate (722) include the second bottom plate (7221) and along the edge of the second bottom plate (7221) opposite sides towards same Third side plate (7222) and the 4th side plate (7223) made of one direction extends;Wherein, the third side plate (7222) and described The lateral wall that the second magnetic induction portion (42) for accommodating the dynamic clamp (4) is reserved between 4th side plate (7223), which removes, to be located at The second space of the exterior domain in first space;
Wherein, by first side plate (7212) and the third side between the upper clamp plate (721) and the lower clamp plate (722) Plate (7222) is connected and second side plate (7213) and the 4th side plate (7223) assembled end is complete is set to the dynamic pincers Press from both sides the closed loop configuration on the outer surface at the middle part in the second magnetic induction portion (42) of (4).
4. the tester of detection 10kV arrester electrification electric current as claimed in claim 3, which is characterized in that the erecting bed It (2) include lower case (22) and the upper housing (23) being installed on above the lower case (22);Wherein,
The first groove (221) and the second groove (222) are formed on the lower case (22);Wherein, first groove (221) It is arranged towards the insulating bar (1) direction, and accommodates the circuit board (21) and the power module;Second groove (222) it is arranged far from the insulating bar (1) direction, bottom wall is equipped with for installing first mounting portion for determining clamp (3) (31) the first positioning column (2221), and it is on the side wall for being located remotely from the insulating bar (1) direction and corresponding adjacent separate The opening being connected is offered on the side wall in the first positioning column (2221) direction simultaneously;Second groove (222) The first mounting portion (31) of clamp (3) and the second mounting portion (41) of the dynamic clamp (4) are determined described in openings house, and are equipped with and are used First positioning hole (2222) in installed shaft one end on the second mounting portion (41) of the fixation dynamic clamp (4);
Be formed on the upper housing (23) third groove (231) corresponding with the first groove (221) and with it is described Corresponding 4th groove (232) of second groove (222);Wherein, the third groove (231) is square towards the insulating bar (1) To setting, and it is covered on the top of the circuit board (21) and the power module;4th groove (232) is far from described exhausted The setting of edge bar (1) direction, bottom wall are equipped with the second positioning column for matching with first positioning column (2221) (2321), and on the side wall for being located remotely from the insulating bar (1) direction and corresponding adjacent far from second positioning column (2321) opening being connected is offered on the side wall in direction simultaneously;It is fixed described in the openings house of 4th groove (232) The first mounting portion (31) of clamp (3) and the second mounting portion (41) of the dynamic clamp (4), and be equipped with for fixing the dynamic pincers Press from both sides the second location hole (2232) of the installed shaft other end on second mounting portion (41) of (4);
Wherein, after the lower case (22) and the upper housing (23) are fastened and are fixed together, first groove (221) and The circuit board (21) and the power module, second groove (222) and institute are accommodated between the third groove (231) State the second peace that first mounting portion (31) for determining clamp (3) and the dynamic clamp (4) are accommodated between the 4th groove (232) Dress portion (41), and the opening between second groove (222) and the 4th groove (232) becomes the dynamic clamp (4) The gap of second magnetic induction portion (42) disengaging.
5. the tester of detection 10kV arrester electrification electric current as claimed in claim 4, which is characterized in that the insulating bar (1) it is fixed between top and the erecting bed (2) by tail portion fixed block (8) and fixed handwheel (9);Wherein,
The insulating bar (1) is formed with circumferential multiple convex on the side side towards the tail portion fixed block (8) Tooth (11) and the third location hole (12) for being located at the multiple double wedge (11) circle distribution center, and the multiple double wedge (11) And the third location hole (12) is close to the top setting of the insulating bar (1);
Be formed in the lower case (22) of the erecting bed (2) side clamping for the tail portion fixed block (8) it is fixed the One card slot (223), the upper housing (23) of the erecting bed (2) are formed with the other side clamping for the tail portion fixed block (8) Fixed the second card slot (233);
The tail portion fixed block (8) is cylinder, and the through-hole (81) of the cylinder is formed through in central axial direction, and It is respectively formed in two opposing sidewalls in central axial direction and the first card slot (223) of the lower case (22) and institute Two horizontal location tenons (82) of the second card slot (233) the phase clamping cooperation of upper housing (23) are stated, and towards the insulation Be formed on one end end face of bar (1) using the central point of through-hole (81) as the center of circle carry out circle distribution and with the insulating bar (1) On multiple double wedges (11) formed engagement connection cooperation multiple vertical tenons (83);
The fixed handwheel (9) includes turntable (91) and rotating bar (92);Wherein, the rotating bar (92) passes perpendicularly through described Turntable (91) is simultaneously mutually fixed together with the turntable (91), and one end is passed through along the through-hole (81) of the tail portion fixed block (8) It is fixed on the third location hole (12) of the insulating bar (1) after the tail portion fixed block (8);
Wherein, two horizontal location tenons (82) of the tail portion fixed block (8) are fixed on the first card of the lower case (22) After the second card slot (233) of slot (223) and the upper housing (23), by rotating the fixed handwheel (9), keep the tail portion solid Determine to occur to misplace between the vertical tenon (83) of block (8) and the double wedge (11) of the insulating bar (1) to engage, realizes the insulating bar (1) corner dimension between the erecting bed (2) changes.
6. the tester of detection 10kV arrester electrification electric current as claimed in claim 5, which is characterized in that further include: insulation Traction rope limited block (10);Wherein,
The insulation traction rope limited block (10) includes horizontal block (101) and to be set to the horizontal baffle (101) same On side and two rectangular blocks (102) being oppositely arranged;Wherein, the horizontal block (101) and the fixed handwheel (9) Rotating bar (92) is mutually fixed far from the one end of the insulating bar (1);Described two rectangular blocks (102) are towards the fixed hand The turntable (91) of (9) is taken turns, and parallel with rotating bar (92) of the fixed handwheel (9);Each rectangular block (102) with it is described It is reserved between the rotating bar (92) of fixed handwheel (9) and between the turntable (91) of the fixed handwheel (9) and accommodates institute The gap of insulation traction rope (6) disengaging is stated, and the length of each rectangular block (102) is all larger than insulation traction rope (6) Rope is wide.
7. the tester of detection 10kV arrester electrification electric current as claimed in claim 6, which is characterized in that further include: it rolls Bearing (110);Wherein,
The rolling bearing (110) is installed in the rotating bar (92) of the fixed handwheel (9), and is located at the fixed handwheel (9) between the horizontal block (101) of turntable (91) and insulation traction rope limited block (10), and the rolling bearing (110) annular groove for being limited to insulation traction rope (6) is formed around with along perimeter on outer surface.
8. the tester of detection 10kV arrester electrification electric current as claimed in claim 7, which is characterized in that further include: tail portion Block (120), charging connector (130) and button switch (140);Wherein,
The lower case (22) of the erecting bed (2) is equipped between first groove (221) and first card slot (223) and uses In the third card slot (224) that tail portion block (120) clamping is fixed, the upper housing (23) of the erecting bed (2) is described the Fourth card slot fixed for tail portion block (120) clamping is equipped between three grooves (231) and second card slot (233) (234);
Be formed on the tail portion block (120) the first mounting hole (1201) for installing the charging connector (130) and For installing the second mounting hole (1202) of the button switch (140);
The charging connector (130) is installed on the first mounting hole (1201) of the tail portion block (120), and with the power supply Module is connected;
The button switch (140) is installed on the second mounting hole (1202) of the tail portion block (120), and with the circuit Plate (21) is connected.
9. the tester of detection 10kV arrester electrification electric current as claimed in claim 8, which is characterized in that described to determine clamp (3) the second iron core of the first iron core and the dynamic clamp (4) is semicircular structure.
10. the tester of detection 10kV arrester electrification electric current as claimed in claim 9, which is characterized in that the insulating bar (1) it is made by glass fibre.
CN201910077716.4A 2019-01-28 2019-01-28 A kind of tester of detection 10kV arrester electrification electric current Pending CN109856440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910077716.4A CN109856440A (en) 2019-01-28 2019-01-28 A kind of tester of detection 10kV arrester electrification electric current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910077716.4A CN109856440A (en) 2019-01-28 2019-01-28 A kind of tester of detection 10kV arrester electrification electric current

Publications (1)

Publication Number Publication Date
CN109856440A true CN109856440A (en) 2019-06-07

Family

ID=66896395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910077716.4A Pending CN109856440A (en) 2019-01-28 2019-01-28 A kind of tester of detection 10kV arrester electrification electric current

Country Status (1)

Country Link
CN (1) CN109856440A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112362948A (en) * 2020-11-11 2021-02-12 贵州电网有限责任公司 Electroscope capable of being disassembled and replaced

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006242725A (en) * 2005-03-03 2006-09-14 Chuzaburo Ichiyoshi Leakage current detector and continuous monitoring system
CN201438200U (en) * 2009-08-05 2010-04-14 广东电网公司佛山供电局试验研究所 Auxiliary operator for clamp ammeters
CN102279299A (en) * 2011-06-30 2011-12-14 保定供电公司 Special pincer-shaped electric universal meter
CN202994885U (en) * 2012-11-16 2013-06-12 宜阳县电业管理公司 Telescopic tong-type ammeter
CN203479970U (en) * 2013-09-16 2014-03-12 广东电网公司佛山供电局 Partial discharge test auxiliary tool for tubular bus
CN205027821U (en) * 2015-09-18 2016-02-10 中国南方电网有限责任公司超高压输电公司柳州局 Capacitor bank monomer capacitance test line changing instrument
CN106018923A (en) * 2016-06-16 2016-10-12 国网浙江省电力公司丽水供电公司 Clamp type ammeter
CN108152571A (en) * 2017-12-29 2018-06-12 国网浙江省电力公司湖州供电公司 A kind of residual current dynamic trace analysis recording curve triggering short message apparatus and method
CN108459228A (en) * 2018-01-11 2018-08-28 东南大学 A kind of 10KV metal oxide arresters line detection system for failure and method
CN209979721U (en) * 2019-01-28 2020-01-21 深圳供电局有限公司 Tester for detecting live current of 10kV lightning arrester

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006242725A (en) * 2005-03-03 2006-09-14 Chuzaburo Ichiyoshi Leakage current detector and continuous monitoring system
CN201438200U (en) * 2009-08-05 2010-04-14 广东电网公司佛山供电局试验研究所 Auxiliary operator for clamp ammeters
CN102279299A (en) * 2011-06-30 2011-12-14 保定供电公司 Special pincer-shaped electric universal meter
CN202994885U (en) * 2012-11-16 2013-06-12 宜阳县电业管理公司 Telescopic tong-type ammeter
CN203479970U (en) * 2013-09-16 2014-03-12 广东电网公司佛山供电局 Partial discharge test auxiliary tool for tubular bus
CN205027821U (en) * 2015-09-18 2016-02-10 中国南方电网有限责任公司超高压输电公司柳州局 Capacitor bank monomer capacitance test line changing instrument
CN106018923A (en) * 2016-06-16 2016-10-12 国网浙江省电力公司丽水供电公司 Clamp type ammeter
CN108152571A (en) * 2017-12-29 2018-06-12 国网浙江省电力公司湖州供电公司 A kind of residual current dynamic trace analysis recording curve triggering short message apparatus and method
CN108459228A (en) * 2018-01-11 2018-08-28 东南大学 A kind of 10KV metal oxide arresters line detection system for failure and method
CN209979721U (en) * 2019-01-28 2020-01-21 深圳供电局有限公司 Tester for detecting live current of 10kV lightning arrester

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
田吉刚: "一种新型避雷器在线监测系统在智能变电站中的研究与应用", 中国新技术新产品, no. 12, pages 3 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112362948A (en) * 2020-11-11 2021-02-12 贵州电网有限责任公司 Electroscope capable of being disassembled and replaced
CN112362948B (en) * 2020-11-11 2022-09-09 贵州电网有限责任公司 Electroscope capable of being disassembled and replaced

Similar Documents

Publication Publication Date Title
CN109856440A (en) A kind of tester of detection 10kV arrester electrification electric current
KR102086653B1 (en) Enclosure of power line equipment and its installation mechanism, and power line equipment having the same
CN209979721U (en) Tester for detecting live current of 10kV lightning arrester
CN108508253A (en) A kind of High Frequency Current Sensor for cable local discharge detection
CN209086515U (en) A kind of drawing and pulling type optical fiber distributing rack device
CN102565964B (en) Optical fiber mechanical splicer and on-site manufactured optical fiber connector based on same
CN108544966A (en) A kind of charging pile being easily installed with maintenance
KR200369004Y1 (en) Clamp current transformer
CN204389570U (en) A kind of power cable grounding circulation live line measurement handheld device
US9276355B2 (en) High voltage plug in and unplugged type gas immersed cable termination with locking system
CN209642086U (en) A kind of ring network cabinet with quick plug-in interface
CN209148909U (en) XFP optical module tripper
CN209447661U (en) A kind of mounting structure of flat surface transformer
CN208173889U (en) Housing unit and connector
CN208690591U (en) Pressing plate blocking device and electrical power wiring device
CN205301425U (en) High -tension transmission cable earth current automatic checkout device
CN111141944A (en) Feed-through current transformer
CN207380170U (en) High-tension insulator detection probe
CN115275700B (en) Quick socket, quick plug and quick power supply connecting device
CN110359760A (en) A kind of peace arranges bar and application method
CN219833169U (en) Socket type annular transformer
CN218783292U (en) Safe test high-voltage line connecting device
CN220584309U (en) Double-clamp phase voltammeter structure
CN113835004A (en) Remote flaw detection method for in-service insulator
CN216847892U (en) Intelligent low-voltage shunt monitoring terminal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination