CN116400265A - Low-voltage line fault monitoring device in short-term test - Google Patents
Low-voltage line fault monitoring device in short-term test Download PDFInfo
- Publication number
- CN116400265A CN116400265A CN202310286523.6A CN202310286523A CN116400265A CN 116400265 A CN116400265 A CN 116400265A CN 202310286523 A CN202310286523 A CN 202310286523A CN 116400265 A CN116400265 A CN 116400265A
- Authority
- CN
- China
- Prior art keywords
- monitoring
- low voltage
- medium
- voltage line
- assembly
- 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.)
- Withdrawn
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 18
- 238000012031 short term test Methods 0.000 title claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 147
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 241000238631 Hexapoda Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a device for rapidly detecting faults of a medium-low voltage line, which relates to the technical field of medium-low voltage line monitoring and comprises the following components: the cable slot is vertically arranged in the cable slot body, at least two medium-low voltage lines are vertically arranged in the cable slot body, branch line junction boxes are equidistantly arranged on each medium-low voltage line, fault indicator lamps are respectively arranged on each branch line junction box, detection through holes are equidistantly formed in the rear side of the cable slot body, and the detection through holes and the branch line junction boxes are staggered; this short-term test medium-low voltage line fault monitoring device sets up the universal meter of monitoring usefulness between the terminal box of medium-low voltage line, replaces the maintenance that the maintainer frequently climbs down, and the security is high, and fault monitoring labour saving and time saving, trouble removal are efficient, promote people's stable production, can be when the trouble takes place or periodic use, hide monitoring facilities in other times and protect, avoid monitoring devices to be in the abominable environment of many grey many worms for a long time and damage, improve the degree of accuracy of monitoring.
Description
Technical Field
The invention relates to the technical field of medium-low voltage line monitoring, in particular to a device for rapidly detecting faults of medium-low voltage lines.
Background
At present, the middle and low voltage lines are widely applied and distributed in various occasions, so that the distribution of the branches of the middle and low voltage lines is more, once the branches are more, positioning is difficult, a universal meter is a main instrument for detecting faults of daily lines of a power supply station, a maintainer needs to climb up and down to check the power supply station between junction boxes of the branches by using a ladder, the frequent up-and-down movement of the maintainer also has potential safety hazards, the fault elimination efficiency is low, the stable working production of people is influenced, and some common line monitoring devices arranged on the middle and low voltage lines can be damaged in the environment of external dust and insects for a long time, so that the monitoring accuracy is influenced.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the device for rapidly detecting the faults of the medium-low voltage line, wherein a universal meter for monitoring is arranged between junction boxes of the medium-low voltage line to replace frequent climbing up and down overhauling of overhaulers, so that the device is high in safety, time-saving and labor-saving in fault monitoring, high in fault removal efficiency, capable of promoting stable production of people, capable of hiding and protecting monitoring equipment when faults occur or periodically used at other times, capable of avoiding damage caused by long-term damage to the monitoring device due to the severe environment of multiple dust and insects, capable of improving the accuracy of monitoring, and capable of effectively solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a device for rapidly detecting a low-and-medium voltage line fault, comprising:
the cable slot is vertically arranged in the cable slot body, at least two medium-low voltage lines are vertically arranged in the cable slot body, branch line junction boxes are equidistantly arranged on each medium-low voltage line, fault indicator lamps are respectively arranged on each branch line junction box, detection through holes are equidistantly formed in the rear side of the cable slot body, the detection through holes and the branch line junction boxes are staggered, and the rear side of the cable slot body is fixedly connected with a monitoring square barrel communicated with the detection through holes;
the line detection replacement assembly is arranged at the inner rear end of the monitoring square tube, the front side of the line detection replacement assembly is provided with the extending fault monitoring assembly, and the front end of the extending fault monitoring assembly is provided with the universal meter protection assembly;
the monitoring control box, internally mounted has battery and PLC controller, and the front side of monitoring control box installs control panel.
The utility model discloses a change the height of protruding formula fault monitoring subassembly with the circuit detection replacement subassembly to control the different well low-voltage circuit in protruding formula fault monitoring subassembly monitoring winding displacement groove body, voltage information between the terminal box of different branch lines reachs the wiring in a certain branch line terminal box and goes wrong, then use the fault indication lamp to indicate the maintainer, can fix a position the fault point fast, the maintenance of being convenient for the maintainer comes, universal meter protection subassembly can protect protruding formula fault monitoring subassembly when not using protruding formula fault monitoring subassembly, avoid being in the degree of accuracy that the adverse circumstances influences its work, the battery in the monitoring control box supplies power for the PLC controller, operation control panel can pass through PLC controller control circuit detection replacement subassembly, protruding formula fault monitoring subassembly and universal meter protection subassembly's work.
Further, the wire harness clamping device further comprises wire harness clamping buckles, the wire harness clamping buckles are respectively clamped at the positions, located on two sides of the detection through hole, of each medium-low voltage line, and the wire harness clamping buckles are fixed on the inner wall of the wire harness groove body. The wire harness buckle can stably clamp the medium-low voltage line into the wire arrangement groove, and meanwhile the medium-low voltage line at the monitored position is in a flat state, so that the extension-type fault monitoring assembly can accurately align the medium-low voltage line for non-contact monitoring after extension.
Further, the circuit detects and changes the subassembly and includes link, change lifter plate, slip stand, change screw rod, bearing one and change the motor, the vertical slip stand of rear end fixedly connected with in the monitoring square section of thick bamboo, and the vertical change screw rod both ends of rear end through bearing rotation connection in the monitoring square section of thick bamboo, the bottom of changing the screw rod passes the bottom of monitoring square section of thick bamboo and connects the output shaft of changing the motor, changes the bottom that the motor installed in monitoring square section of thick bamboo, the slide hole and the vertical sliding connection of slip stand of change lifter plate one side, and change the screw and change screw threaded connection of lifter plate opposite side, the rear side of changing the lifter plate is provided with the link.
The change motor clockwise operation can drive and change the screw rod and rotate clockwise, can drive to change the lifter plate and move down along the slip stand through the screw action of change screw rod and change the lifter plate to drive the protruding trouble monitoring module through the link and move down at the monitoring square section of thick bamboo, thereby make protruding trouble monitoring module can move down, aim at the low-and-medium voltage circuit of lower position, realize the monitoring to the low-and-medium voltage circuit of lower position, change motor reverse rotation, then can make protruding trouble monitoring module move up, thereby monitor the low-and-medium voltage circuit of upper position.
Further, the utility model provides a fault monitoring subassembly stretches out, including lift shell, installing support, mounting bolt, stretch out electric putter, adapter sleeve, ammeter shell and non-contact voltage measurement universal meter, the front side is equipped with the lift shell in the monitoring square tube, the rear end and the link fixed connection of lift shell, the rear side passes through the mounting bolt fixedly connected with installing support in the lift shell, the one end that electric putter stretches out is connected to the front side middle part of installing support, the rear end of ammeter shell is connected through the adapter sleeve to the other end that stretches out electric putter, non-contact voltage measurement universal meter is installed to the front side of ammeter shell. The electric putter is stretched out through installing support and mounting bolt installation, stretches out the electric putter extension and can push away ammeter shell and non-contact voltage measurement universal meter and stretch out from lift shell front end through the adapter sleeve to make two monitoring ends of non-contact voltage measurement universal meter aim at the well low voltage line that waits to detect and carry out the detection of voltage, the voltage difference in different highway sections according to well low voltage line obtains corresponding branch line terminal box and breaks down, then lights the fault indication lamp on the branch line terminal box.
Further, the universal meter protection assembly comprises a monitoring extending hole, a bearing II, a rotating shaft, a rotation control assembly and an opening and closing turntable, wherein the front end of the lifting shell is provided with two monitoring extending holes which correspond up and down, the middle part of the front end of the lifting shell is positioned between the two monitoring extending holes and is connected with the rotating shaft through the bearing II in a rotating way, one end of the rotating shaft positioned at the front side of the lifting shell is connected with the middle part of the opening and closing turntable, two matching holes are symmetrically formed in the opening and closing turntable, and one end of the rotating shaft positioned in the lifting shell is connected with the rotation control assembly;
when the non-contact voltage measurement universal meter is not used, the electric push rod is extended to shorten the monitoring end of the non-contact voltage measurement universal meter, the rotation control assembly works to drive the rotating shaft to rotate at the moment, so that the opening and closing rotary table is driven to rotate, the matching holes and the monitoring extending holes on the opening and closing rotary table are staggered, external sundries can not enter the lifting housing, when the non-contact voltage measurement universal meter is needed, the rotation control assembly works to drive the rotating shaft to rotate ninety degrees, the matching holes and the monitoring extending holes on the opening and closing rotary table are correspondingly arranged, at the moment, the two monitoring ends on the non-contact voltage measurement universal meter extend from the monitoring extending holes and the matching holes, and the voltage is monitored in alignment with a medium-low voltage line.
Further, universal meter protection subassembly still includes prevents bumping the subassembly, bump the subassembly is installed to the front side in the lift shell, bump the subassembly parcel and live rotation control subassembly, bump the subassembly and can avoid non-contact voltage measurement universal meter to bump rotation control subassembly when the forward movement in the lift shell.
Further, still include threading pipe and plug, the bottom of every monitoring square tube is inlayed respectively and is had the threading pipe, be provided with the plug in the threading pipe, the downthehole interlude of glue of plug is provided with control wire, and control wire is inside to contain many sinle silk for connect each power consumption device in PLC controller and the monitoring square tube, the threading pipe is used for supplying control wire to pass, can avoid debris to enter into monitoring square tube from the threading pipe through the plug and influence monitoring facilities.
Further, still include T shape spool, the bottom of T shape spool is connected at the top of monitoring control box, control wire passes from T shape spool and extends to monitoring control box, because monitoring control box needs to install the height that control personnel used conveniently, this height is low, protects the cable of connecting monitoring control box through T shape spool.
Further, still include apron and dismantlement bolt, the access hole has been seted up to the rear end of monitoring square tube, the apron is installed through dismantlement bolt in the rear end four corners of monitoring square tube, the apron covers the access hole, so overhaul the equipment in the monitoring square tube in order to avoid setting up the access hole, seal the access hole through apron and dismantlement bolt when not using the access hole and avoid debris to go on.
Compared with the prior art, the invention has the beneficial effects that: this short-term test middle-low voltage line fault monitoring device has following benefit:
1. the height of the extending fault monitoring assembly is changed by using the line detection replacement assembly, so that the extending fault monitoring assembly is controlled to monitor different medium-low voltage lines in the wiring groove body, the problem of wiring in a certain branch line junction box is obtained through voltage information between different branch line junction boxes, then a fault indication lamp is used for indicating an maintainer, a fault point can be rapidly positioned, and the maintainer can conveniently maintain the wiring;
2. the protection component of the universal meter can protect the protruding fault monitoring component when the protruding fault monitoring component is not used, the working accuracy of the protection component is prevented from being influenced by severe environments, a storage battery in the monitoring control box supplies power to the PLC controller, and the operation control panel can detect the working of the replacement component, the protruding fault monitoring component and the protection component of the universal meter through a control circuit of the PLC controller;
3. a universal meter for monitoring is arranged between junction boxes of the medium-low voltage circuit to replace frequent climbing up and down overhauling of overhaulers, so that the safety is high, the fault monitoring is time-saving and labor-saving, the fault removing efficiency is high, and stable production of people is promoted;
4. can be used when the fault occurs or periodically, and the monitoring equipment is hidden and protected at other times, so that the damage caused by the long-term existence of the monitoring device in a severe environment with multiple ash and insects is avoided, and the monitoring accuracy is improved
Drawings
FIG. 1 is a schematic diagram of a device for rapidly detecting faults of a medium-low voltage line;
FIG. 2 is a schematic diagram showing the bottom view of the device for rapidly detecting faults of the medium-low voltage line according to the present invention;
FIG. 3 is a schematic diagram of a cross-sectional structure of a monitoring control box of the device for rapidly detecting faults of medium and low voltage lines;
FIG. 4 is a schematic diagram of the rear side structure of the device for rapidly detecting faults of the medium-low voltage line;
FIG. 5 is a schematic diagram of a partial structure of a device for rapidly detecting faults of a medium-low voltage line according to the present invention;
fig. 6 is a schematic diagram of a partial cross-sectional structure of the device for rapidly detecting faults of the medium-low voltage line.
In the figure: 1 wiring groove body, 2 detection through holes, 3 monitoring square tube, 4 medium and low voltage circuit, 5 circuit detection replacement component, 51 connecting frame, 52 replacement lifting plate, 53 sliding column, 54 replacement screw, 55 bearing one, 56 replacement motor, 6 extension type fault monitoring component, 61 lifting shell, 62 installing support, 63 installing bolt, 64 extension type electric push rod, 65 connecting sleeve, 66 electric meter shell, 67 non-contact voltage measuring universal meter, 7 universal meter protection component, 71 monitoring extension hole, 72 arch protection frame, 73 fixed bolt, 74 bearing two, 75 rotating shaft, 76 driven gear, 77 open-close motor, 78 driving gear, 79 open-close turntable, 8 branch line junction box, 9 fault indicator, 10 harness buckle, 11 cover plate, 12 dismounting bolt, 13 control wire, 14T type spool, 15 monitoring control box, 16 control panel, 17 charging wire, 18 storage battery, 19 charging circuit, 20 wire through pipe, 21 rubber plug, 22 PLC controller.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present embodiment provides a technical solution: a device for rapidly detecting a low-and-medium voltage line fault, comprising:
the bus duct body 1 is vertically arranged in the interior and is provided with at least two medium and low voltage lines 4, branch line junction boxes 8 are equidistantly arranged on each medium and low voltage line 4, fault indicator lamps 9 are respectively arranged on each branch line junction box 8, detection through holes 2 are equidistantly formed in the rear side of the bus duct body 1, the detection through holes 2 and the branch line junction boxes 8 are staggered, and the rear side of the bus duct body 1 is fixedly connected with a monitoring square barrel 3 communicated with the detection through holes 2;
the line detection replacement assembly 5 is arranged at the inner rear end of the monitoring square cylinder 3, the front side of the line detection replacement assembly 5 is provided with the extending fault monitoring assembly 6, and the front end of the extending fault monitoring assembly 6 is provided with the universal meter protection assembly 7;
still include apron 11 and dismantlement bolt 12, the access hole has been seted up to the rear end of monitoring square tube 3, and apron 11 is installed through dismantlement bolt 12 in the rear end four corners of monitoring square tube 3, and apron 11 covers the access hole, so in order to avoid overhauling the equipment in the monitoring square tube 3 and consequently set up the access hole, seals the access hole through apron 11 and dismantlement bolt 12 when not using the access hole and avoids debris to go on.
The monitoring control box 15 has a storage battery 18 and a PLC controller 22 mounted therein, and a control panel 16 is mounted on the front side of the monitoring control box 15.
When the line detection and replacement assembly 5 is used, the height of the extending fault monitoring assembly 6 is changed, so that the extending fault monitoring assembly 6 is controlled to monitor different medium and low voltage lines 4 in the line slot body 1;
the voltage information among different branch line junction boxes 8 is used for obtaining that the wiring in a certain branch line junction box 8 is problematic, and then a fault indicator lamp 9 is used for lighting to indicate an maintainer, so that the fault point can be rapidly positioned, and the maintainer can conveniently maintain the fault point;
the multimeter protection component 7 can protect the overhanging type fault monitoring component 6 when the overhanging type fault monitoring component 6 is not used, so that the working accuracy of the overhanging type fault monitoring component 6 is prevented from being influenced by severe environment;
the storage battery 18 in the monitoring control box 15 supplies power to the PLC controller 22, and the operation control panel 16 can control the operation of the line detection replacement assembly 5, the extension type fault monitoring assembly 6 and the multimeter protection assembly 7 through the PLC controller 22.
In a second embodiment, referring to fig. 1-6, the present embodiment provides a technical solution: the embodiment is further explained for the first embodiment;
the line detection replacement assembly 5 comprises a connecting frame 51, a replacement lifting plate 52, a sliding upright post 53, a replacement screw rod 54, a first bearing 55 and a replacement motor 56, wherein the rear end in the monitoring square cylinder 3 is fixedly connected with the vertical sliding upright post 53, the rear end in the monitoring square cylinder 3 is rotationally connected with two ends of the vertical replacement screw rod 54 through the first bearing 55, the bottom end of the replacement screw rod 54 penetrates through the bottom of the monitoring square cylinder 3 and is connected with an output shaft of the replacement motor 56, the replacement motor 56 is arranged at the bottom of the monitoring square cylinder 3, a sliding hole on one side of the replacement lifting plate 52 is in vertical sliding connection with the sliding upright post 53, a screw hole on the other side of the replacement lifting plate 52 is in threaded connection with the replacement screw rod 54, and the connecting frame 51 is arranged on the rear side of the replacement lifting plate 52.
The replacement motor 56 works clockwise to drive the replacement screw 54 to rotate clockwise, the replacement screw 54 and the replacement lifting plate 52 can be driven to move downwards along the sliding upright post 53 through the threaded action of the replacement screw 54 and the replacement lifting plate 52, so that the connection frame 51 drives the extending fault monitoring assembly 6 to move downwards in the monitoring square cylinder 3, the extending fault monitoring assembly 6 can move downwards, the monitoring of the low-medium-voltage line 4 in the lower position is realized, the reverse rotation of the replacement motor 56 can be realized, and the extending fault monitoring assembly 6 can move upwards, so that the low-medium-voltage line 4 in the upper position is monitored.
The extending fault monitoring assembly 6 comprises a lifting shell 61, a mounting bracket 62, a mounting bolt 63, an extending electric push rod 64, a connecting sleeve 65, an ammeter shell 66 and a non-contact voltage measurement multimeter 67, wherein the lifting shell 61 is arranged on the inner front side of the monitoring square barrel 3, the rear end of the lifting shell 61 is fixedly connected with the connecting frame 51, the mounting bracket 62 is fixedly connected with the inner rear side of the lifting shell 61 through the mounting bolt 63, one end of the extending electric push rod 64 is fixedly connected with the middle part of the front side of the mounting bracket 62, the other end of the extending electric push rod 64 is connected with the rear end of the ammeter shell 66 through the connecting sleeve 65, and the non-contact voltage measurement multimeter 67 is arranged on the front side of the ammeter shell 66. The electric push rod 64 is installed and stretched through the mounting bracket 62 and the mounting bolt 63, the electric push rod 64 stretches out, the ammeter shell 66 and the non-contact voltage measurement universal meter 67 can be pushed by the connecting sleeve 65 to stretch out from the front end of the lifting shell 61, so that two monitoring ends of the non-contact voltage measurement universal meter 67 are aligned with the medium-low voltage line 4 to be detected to detect voltage, the corresponding branch line junction box 8 is obtained according to voltage differences of different sections of the medium-low voltage line 4 to fail, and then the fault indicator lamp 9 on the branch line junction box 8 is lightened.
The multimeter protection component 7 comprises a monitoring extending hole 71, a second bearing 74, a rotating shaft 75, a rotation control component and an opening and closing rotary table 79, wherein the front end of the lifting shell 61 is provided with two monitoring extending holes 71 which correspond up and down, the middle part of the front end of the lifting shell 61 is positioned between the two monitoring extending holes 71 and is rotationally connected with the rotating shaft 75 through the second bearing 74, one end of the rotating shaft 75 positioned at the front side of the lifting shell 61 is connected with the middle part of the opening and closing rotary table 79, two matching holes are symmetrically formed in the opening and closing rotary table 79, and one end of the rotating shaft 75 positioned in the lifting shell 61 is connected with the rotation control component;
the rotation control assembly comprises a driven gear 76, an opening and closing motor 77 and a driving gear 78, wherein one end of a rotating shaft 75 positioned in the lifting shell 61 is connected with the driven gear 76, the front side in the lifting shell 61 is provided with the opening and closing motor 77, an output shaft of the opening and closing motor 77 is connected with the driving gear 78, and the driving gear 78 is in meshed connection with the driven gear 76;
when the non-contact voltage measurement universal meter 67 is not used, the electric push rod 64 is extended to shorten the monitoring end of the non-contact voltage measurement universal meter 67 and retract into the lifting shell 61, the rotation control assembly works to drive the rotating shaft 75 to rotate at the moment, so that the opening and closing rotary table 79 is driven to rotate, the matching holes on the opening and closing rotary table 79 and the monitoring extending holes 71 are arranged in a staggered mode, external sundries enter the lifting shell 61, when the non-contact voltage measurement universal meter 67 is needed, the rotation control assembly works to drive the rotating shaft 75 to rotate ninety degrees, so that the matching holes on the opening and closing rotary table 79 and the monitoring extending holes 71 are correspondingly arranged, and at the moment, the two monitoring ends on the non-contact voltage measurement universal meter 67 extend from the monitoring extending holes 71 and the matching holes, and are aligned with one medium-low voltage line 4 for voltage monitoring.
The multimeter protection component 7 further comprises an anti-collision component, the front side in the lifting shell 61 is provided with the anti-collision component, the anti-collision component wraps the rotation control component, and the anti-collision component can prevent the non-contact voltage measurement multimeter 67 from colliding with the rotation control component when moving forwards in the lifting shell 61.
The anti-collision assembly comprises an arch-shaped protection frame 72 and fixing bolts 73, wherein the arch-shaped protection frame 72 is fixedly connected to two ends of the inner front side of the lifting shell 61 through the fixing bolts 73, the arch-shaped protection frame 72 protects a driven gear 76, an opening and closing motor 77 and a driving gear 78, and the non-contact voltage measurement multimeter 67 is prevented from being collided when moving forwards in the lifting shell 61.
Referring to fig. 1-6, the present embodiment provides a technical solution: the embodiment is similar to the second embodiment in structure, and is different in that the device is used for detecting faults of medium-low voltage lines rapidly;
still include threading pipe 20 and plug 21, the bottom of every monitoring square tube 3 is inlayed respectively and is had threading pipe 20, is provided with plug 21 in the threading pipe 20, and the downthehole interlude of glue of plug 21 is provided with control wire 13, and control wire 13 is inside to contain many sinle silk for connect each power consumption device in PLC controller and the monitoring square tube 3, threading pipe 20 are used for supplying control wire 13 to pass, can avoid debris to enter into monitoring square tube 3 from threading pipe 20 through plug 21 and influence monitoring facilities.
Still include T shape spool 14, the bottom of T shape spool 14 is connected at the top of monitor control box 15, and control wire 13 passes from T shape spool 14 and extends to monitor control box 15, because monitor control box 15 needs to be installed to the height that the control personnel used conveniently, and this height is low, protects the cable of connecting monitor control box 15 through T shape spool 14.
The monitoring control box 15 is also internally provided with a charging circuit 19, the output end of the charging circuit 19 is electrically connected with the input end of a storage battery 18, the output end of the storage battery 18 is electrically connected with the PLC 22 and the input end of a control panel 16, the control panel 16 is electrically connected with the PLC 22 in a bidirectional way, the input end of the charging circuit 19 is electrically connected with one of the medium-low voltage lines 4 through a charging wire 17, the charging wire 17 penetrates through the T-shaped wire tube 14 and is protected by the T-shaped wire tube 14, and the output end of the PLC 22 is also electrically connected with the input end of a replacement motor 56, an extension electric push rod 64, an opening and closing motor 77, a fault indicator 9 and a non-contact voltage measurement multimeter 67 through different wire cores in the control wire 13;
it should be noted that, the replacing motor 56, the opening and closing motor 77 and the built-in motor extending out of the electric push rod 64 are all servo motors, the power and the model of which can be configured by a specific implementation person according to practical situations, the connection between the PLC controller 22 and the control panel 16 is in the prior art, and the PLC controller 22 controls the replacing motor 56, the extending out of the electric push rod 64, the opening and closing motor 77, the fault indicator 9 and the non-contact voltage measuring multimeter 67 to work by methods commonly used in the prior art.
In a fourth embodiment, referring to fig. 1-6, the present embodiment provides a technical solution: the embodiment is similar to the third embodiment in structure, and is different in that the device is used for quickly detecting faults of the medium-low voltage line;
the wire harness clamping device further comprises wire harness clamping buckles 10, the positions, located on two sides of the detection through holes 2, of each medium-low voltage line 4 are respectively clamped with the wire harness clamping buckles 10, and the wire harness clamping buckles 10 are fixed on the inner wall of the wire harness groove body 1. The wire harness buckle 10 can stably clamp the medium-low voltage line 4 into the wire arrangement groove body 1, and meanwhile, the medium-low voltage line 4 at the monitored position is in a straight state, so that the extending fault monitoring assembly 6 can accurately align with the medium-low voltage line 4 for non-contact monitoring after extending.
Referring to fig. 1-6, a method for using a device for rapidly detecting faults of a medium-low voltage line includes the following steps:
step one, when the middle-low voltage line runs normally, the electric push rod 64 is extended to shorten so that the monitoring end of the non-contact voltage measurement multimeter 67 is retracted into the lifting shell 61, at the moment, the rotation control assembly works to drive the rotating shaft 75 to rotate, thereby driving the opening and closing rotary table 79 to rotate, so that the matching holes on the opening and closing rotary table 79 and the monitoring extending holes 71 are staggered, and at the moment, external sundries cannot enter the lifting shell 61;
step two, when the middle and low voltage line operation fails and the branch line junction box 8 is required to be troubleshooted or line faults are required to be monitored periodically, the rotation control assembly works to drive the rotating shaft 75 to rotate ninety degrees, so that the matched hole and the monitoring extension hole 71 on the opening and closing turntable 79 are correspondingly arranged, at the moment, two monitoring ends on the non-contact voltage measurement multimeter 67 extend from the monitoring extension hole 71 and the matched hole, and voltage is monitored by aligning one middle and low voltage line 4;
step three, if the middle and low voltage lines 4 have no faults, the electric push rod 64 stretches out and shortens, so that two monitoring ends on the non-contact voltage measurement universal meter 67 retract into the lifting shell 61, the replacement motor 56 works to drive the replacement screw 54 to rotate, the replacement lifting plate 52 can be driven to move up and down along the sliding upright post 53 through the threaded action of the replacement screw 54 and the replacement lifting plate 52, the corresponding middle and low voltage lines 4 are changed, then the electric push rod 64 stretches out again, and the two monitoring ends on the non-contact voltage measurement universal meter 67 stretch out from the monitoring stretching hole 71 and the matching hole to monitor the other middle and low voltage line 4;
step four, the problem of wiring in a certain branch line junction box 8 is obtained through the voltage information among different branch line junction boxes 8, and then the PLC 22 controls the fault indicator 9 to be turned on to indicate an maintainer, so that the fault point can be rapidly positioned, and the maintainer can conveniently maintain the fault point;
step five, after maintenance is completed, the electric push rod 64 is stretched out to be shortened, so that two monitoring ends on the non-contact voltage measurement multimeter 67 are retracted into the lifting shell 61, the rotation control assembly works to drive the rotating shaft 75 to rotate, the opening and closing rotary table 79 is driven to rotate, the matching holes on the opening and closing rotary table 79 and the monitoring stretching holes 71 are arranged in a staggered mode, the front end of the lifting shell 61 is sealed, and the internal non-contact voltage measurement multimeter 67 is protected.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a low-voltage line fault monitoring device in short-term test which characterized in that includes:
the wire-arranging groove body (1) is internally and vertically provided with at least two medium-low voltage circuits (4), branch wire junction boxes (8) are equidistantly arranged on each medium-low voltage circuit (4), fault indication lamps (9) are respectively arranged on each branch wire junction box (8), detection through holes (2) are equidistantly formed in the rear side of the wire-arranging groove body (1), the detection through holes (2) are staggered with the branch wire junction boxes (8), and the rear side of the wire-arranging groove body (1) is fixedly connected with a monitoring square barrel (3) communicated with the detection through holes (2);
the circuit detection replacement assembly (5) is arranged at the inner rear end of the monitoring square cylinder (3), the front side of the circuit detection replacement assembly (5) is provided with the extension type fault monitoring assembly (6), and the front end of the extension type fault monitoring assembly (6) is provided with the universal meter protection assembly (7);
the monitoring control box (15) is internally provided with a storage battery (18) and a PLC (programmable logic controller) controller (22), and the front side of the monitoring control box (15) is provided with a control panel (16).
2. The rapid detection medium-low voltage line fault monitoring device according to claim 1, wherein: the wire harness clamping device further comprises wire harness clamping buckles (10), the positions, located on two sides of the detection through holes (2), of each medium-low voltage circuit (4) are respectively clamped with the wire harness clamping buckles (10), and the wire harness clamping buckles (10) are fixed on the inner wall of the wire harness groove body (1).
3. The rapid detection medium-low voltage line fault monitoring device according to claim 1, wherein: the circuit detects and changes subassembly (5) and includes link (51), change lifter plate (52), slip stand (53), change screw rod (54), first (55) of bearing and change motor (56), rear end is connected with vertical slip stand (53) in monitoring square tube (3), and the rear end rotates through first (55) of bearing and connect vertical change screw rod (54) both ends in monitoring square tube (3), the bottom of changing screw rod (54) passes the bottom of monitoring square tube (3) and connects the output shaft of changing motor (56), changes motor (56) and installs the bottom in monitoring square tube (3), change the slide hole and the vertical sliding connection of slip stand (53) of lifter plate (52) one side, and change screw rod (54) threaded connection of lifter plate (52) opposite side, the rear side of changing lifter plate (52) is provided with link (51).
4. A rapid detection medium-low voltage line fault monitoring device according to claim 3, wherein: the utility model provides a fault monitoring subassembly (6) stretches out, including lift shell (61), installing support (62), mounting bolt (63), stretch out electric putter (64), adapter sleeve (65), ammeter shell (66) and non-contact voltage measurement universal meter (67), front side is equipped with lift shell (61) in monitoring square tube (3), the rear end and the link (51) fixed connection of lift shell (61), rear side passes through mounting bolt (63) fixedly connected with installing support (62) in lift shell (61), the one end that electric putter (64) was stretched out in the front side middle part fixed connection of installing support (62), the rear end that electric putter (64) were connected through adapter sleeve (65) to the other end that stretches out, non-contact voltage measurement universal meter (67) are installed to the front side of ammeter shell (66).
5. The rapid detection medium-low voltage line fault monitoring device according to claim 4, wherein: the universal meter protection assembly (7) comprises a monitoring extending hole (71), a bearing II (74), a rotating shaft (75), a rotation control assembly and an opening and closing rotary table (79), wherein the front end of the lifting shell (61) is provided with two monitoring extending holes (71) which correspond up and down, the middle part of the front end of the lifting shell (61) is positioned between the two monitoring extending holes (71), the rotating shaft (75) is rotationally connected through the bearing II (74), the rotating shaft (75) is positioned at one end of the front side of the lifting shell (61) and connected with the middle part of the opening and closing rotary table (79), two matching holes are symmetrically formed in the opening and closing rotary table (79), and one end of the rotating shaft (75) positioned in the lifting shell (61) is connected with the rotation control assembly.
6. The rapid detection medium-low voltage line fault monitoring device according to claim 5, wherein: the universal meter protection assembly (7) further comprises an anti-collision assembly, the anti-collision assembly is mounted on the inner front side of the lifting shell (61), and the anti-collision assembly wraps the rotation control assembly.
7. The rapid detection medium-low voltage line fault monitoring device according to claim 1, wherein: the automatic monitoring device is characterized by further comprising a threading pipe (20) and a rubber plug (21), wherein the bottom of each monitoring square cylinder (3) is respectively inlaid with the threading pipe (20), the rubber plug (21) is arranged in the threading pipe (20), and a control wire (13) is inserted into the rubber plug (21) in the rubber hole.
8. The rapid detection medium-low voltage line fault monitoring device according to claim 7, wherein: the monitoring control box (15) is characterized by further comprising a T-shaped wire tube (14), wherein the top of the monitoring control box (15) is connected with the bottom end of the T-shaped wire tube (14), and the control wire (13) passes through the T-shaped wire tube (14) to extend to the monitoring control box (15).
9. The rapid detection medium-low voltage line fault monitoring device according to claim 1, wherein: still include apron (11) and dismantlement bolt (12), the access hole has been seted up to the rear end of monitoring square tube (3), apron (11) are installed through dismantlement bolt (12) in the rear end four corners of monitoring square tube (3), apron (11) cover the access hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310286523.6A CN116400265A (en) | 2023-03-23 | 2023-03-23 | Low-voltage line fault monitoring device in short-term test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310286523.6A CN116400265A (en) | 2023-03-23 | 2023-03-23 | Low-voltage line fault monitoring device in short-term test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116400265A true CN116400265A (en) | 2023-07-07 |
Family
ID=87009541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310286523.6A Withdrawn CN116400265A (en) | 2023-03-23 | 2023-03-23 | Low-voltage line fault monitoring device in short-term test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116400265A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116859290A (en) * | 2023-09-05 | 2023-10-10 | 山东意顺琪软件技术有限公司 | Industrial Internet monitoring device and monitoring method based on wire harness |
-
2023
- 2023-03-23 CN CN202310286523.6A patent/CN116400265A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116859290A (en) * | 2023-09-05 | 2023-10-10 | 山东意顺琪软件技术有限公司 | Industrial Internet monitoring device and monitoring method based on wire harness |
| CN116859290B (en) * | 2023-09-05 | 2023-11-07 | 山东意顺琪软件技术有限公司 | Industrial Internet monitoring device and monitoring method based on wire harness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116400265A (en) | Low-voltage line fault monitoring device in short-term test | |
| CN109884432B (en) | A kind of double inspection equipment suitable for onboard charger component | |
| CN116093811A (en) | Power transmission line inspection device and use method | |
| CN109404819A (en) | A kind of easy road lamp device for solving failure | |
| CN114893648A (en) | Self-adaptive inner wall pipeline robot | |
| CN114705946A (en) | Detection device for maintaining distribution circuit | |
| CN112562495A (en) | Power equipment safety warning device | |
| CN211626926U (en) | Fault detection device for automobile electric control engine | |
| CN219801676U (en) | Circuit overhauls device for electric power construction | |
| CN218568212U (en) | Urban rail transit signal lamp | |
| CN219201156U (en) | Shell resistance to compression detects auxiliary unit | |
| CN112881969B (en) | Recognition device of smart electric meter error is unusual based on data monitoring | |
| CN212060539U (en) | Overhead line fault indicating device | |
| CN222011529U (en) | Visual field monitoring device for potential safety hazard investigation | |
| CN115051275B (en) | Intelligent sensing device for threading state of cable well and control method | |
| CN203266647U (en) | Small wireless camera shooting robot | |
| CN221572605U (en) | Quick detection device of cable conductor quality | |
| CN112255570B (en) | Intelligent sensing device for grounding state of power transmission line | |
| CN219369894U (en) | Substation equipment running state detection device | |
| CN220171161U (en) | Explosion-proof electrical equipment overhauls test platform in colliery | |
| CN217561625U (en) | Adjustable auxiliary placing frame for surge impact immunity test | |
| CN221303373U (en) | Novel three-phase direct current instrument inspection device | |
| CN220605981U (en) | Camera test prosthetic devices | |
| CN211043546U (en) | Electronic three-card maintenance test bed | |
| CN213304802U (en) | Secondary workbench |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230707 |
|
| WW01 | Invention patent application withdrawn after publication |