CN116699199B - Fault detection device for power distribution network - Google Patents
Fault detection device for power distribution network Download PDFInfo
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- CN116699199B CN116699199B CN202310991775.9A CN202310991775A CN116699199B CN 116699199 B CN116699199 B CN 116699199B CN 202310991775 A CN202310991775 A CN 202310991775A CN 116699199 B CN116699199 B CN 116699199B
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- 238000001514 detection method Methods 0.000 title claims abstract description 94
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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
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- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- 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
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- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Abstract
The application discloses a power distribution network fault detection device, which relates to the technical field of power distribution network detection and comprises a box body, a box cover, a buckle, a handle and a fault detection assembly, wherein a groove is formed in the bottom of the box body, and a supporting mechanism is arranged on the inner wall of the groove. This power distribution network fault detection device, through supporting mechanism's setting, thereby in this power distribution network fault detection device use, can make backup pad autogiration and lift to the bottom half fast through the pulling pull rod, and use stably, the inclination of simultaneous accessible rotation first knob to the box is adjusted, and then can adjust to the angle of being convenient for the staff to observe, simultaneously through the setting of rotary drum, thereby can slide through rotary drum and ground, the staff of being convenient for adjusts the inclination of box, and can accomodate fixedly through recess and fixed block fast to the backup pad, and then guaranteed the maintenance efficiency of staff to the power distribution network fault.
Description
Technical Field
The application relates to the technical field of power distribution network detection, in particular to a power distribution network fault detection device.
Background
The distribution network is a power network which receives electric energy from a power transmission network or a regional power plant, is distributed on site through a distribution facility or distributed to various users step by step according to voltage, and is transmitted through cables.
The portable cable fault detector disclosed in the Chinese patent CN201710449773.1 is convenient to carry, convenient to provide a stable working platform, high in antistatic capability and high in field work endurance, can conveniently conduct effective heat dissipation on the inside of the detector, is convenient to print detection data, and is convenient and practical.
Further, as disclosed in chinese patent CN202310587942.3, the on-line monitoring device for full-voltage fault of the power distribution network includes a voltage detector and a cooling component; a cooling component is arranged in the box body; the box body is internally fixed with a baffle plate, the semiconductor refrigerating sheet is embedded on the surface of the baffle plate, an air flow channel is formed between the baffle plate and the bottom of the box body, and the refrigerating surface of the semiconductor refrigerating sheet is arranged in the air flow channel. According to the power distribution network full-voltage fault on-line monitoring equipment disclosed by the application, one end of the heat pipe is fixedly attached to the refrigerating surface of the semiconductor refrigerating sheet, the other end of the heat pipe penetrates through the air outlet, and one end of the heat pipe penetrating through the air outlet extends to the heat accumulation position in the voltage detector to conduct directional heat dissipation and cooling, so that the cooling efficiency of a branch pipe at the side with higher temperature can be improved, the continuous high temperature of the internal temperature of the device is avoided, the internal environment is relieved, and the service life of components is prolonged.
According to the retrieval based on the prior art, when fault detection is carried out on the power distribution network, in order to conveniently observe the display content of the fault detection assembly in the detection box, one side of the bottom of the cable fault detection device is generally required to be lifted, the display screen is inclined towards workers, the cable fault detection device used at present is only supported by a simple support plate at the bottom, when the cable fault detection device is lifted, the cable fault detection device is slightly stressed and is likely to reset by itself, the support is not stable enough, so that the overhaul efficiency of the workers is affected, and meanwhile, when the power distribution network is overhauled and used outdoors, rainwater is easy to drop on the surface of the fault detection assembly, parts inside the power distribution network are easy to damage, so that the position of finding safe and keeping off the rain is also required to be used, the power distribution network is inconvenient to detect and maintain in time, the overhaul efficiency is affected, and meanwhile, the existing fault detection can only detect a single function, and the detection device is required to be matched with a plurality of detection devices, and the carrying capacity of the detection box is increased.
Disclosure of Invention
The application aims to provide a power distribution network fault detection device for solving the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a distribution network fault detection device, includes box, case lid, buckle, handle, fault detection subassembly, the recess has been seted up to the bottom of box, and the inner wall of recess is provided with supporting mechanism, the circular slot has been seted up to the inner wall of recess corresponds supporting mechanism symmetry, and the inner wall of recess corresponds supporting mechanism equidistance and leaves and be equipped with the draw-in groove, the top of case lid is provided with the mechanism that keeps off the rain, and the both sides of case lid correspond the mechanism that keeps off the rain fixedly connected with stopper to the box is provided with the snap ring with the equal distance of one side of case lid towards both hinge department that opens and shuts, and the inner wall of snap ring is provided with tension spring;
the fault detection assembly comprises a current transformer module, a current detection module, a voltage detection module, a processing module and a display module.
Preferably, the supporting mechanism comprises a first rotating rod, two end parts of the first rotating rod are rotationally connected to the inner wall of the circular groove, the outer wall of the first rotating rod is fixedly connected with a supporting plate, a torsion spring is arranged on the outer wall of the first rotating rod at equal intervals, one end part of the torsion spring is lapped on the inner wall of the circular groove, the other end part of the torsion spring is lapped inside the supporting plate, one side of the supporting plate, which is far away from the first rotating rod, is provided with a clamping block, the top of the clamping block is provided with an inclined surface, the bottom of the clamping block is provided with a fixing block, the outer wall of the fixing block is slidably connected to the inner wall of the clamping groove, one side of the fixing block is fixedly connected with a first telescopic spring, the other end part of the first telescopic spring is fixedly connected to the inner wall of the clamping groove, the other end part of the connecting rod penetrates through the inner wall of the clamping groove and is fixedly connected with a first screw rod, and the inner thread of the groove is connected with a first screw rod, one end part of the first screw rod is fixedly connected with a first rotary handle, and the other end part of the first screw rod abuts against the bottom of the supporting plate.
Preferably, the bottom of the fixing block is inclined corresponding to the clamping block.
Preferably, a pulling groove is formed in one side of the pull rod.
Preferably, first connecting blocks are arranged on one side of the supporting plate at equal distance, and a rotary drum is connected to one side, close to the two first connecting blocks, of the supporting plate in a rotary mode.
Preferably, the mechanism that keeps off rain includes first weather shield, and the both sides laminating of first weather shield is provided with the bracing piece, the screw has been seted up to the both sides correspondence of first weather shield, the horizontal groove has been seted up in the one side correspondence of bracing piece, the outer wall of second screw rod passes horizontal groove threaded connection at the inner wall of screw, and the one end fixedly connected with second knob of second screw rod, the inside rotation of bracing piece is connected with the swivel post, and one end rotation of swivel post is connected in one side of case lid, the bottom equidistance of first weather shield is provided with the second connecting block, two one side that the second connecting block is close rotates and is connected with the second weather shield, the spout has been seted up to one side of second weather shield, and the inner wall sliding connection of spout has the third weather shield, the inner wall equidistance of spout is provided with second expansion spring, and the other end fixed connection of second expansion spring is in one side of third weather shield.
Preferably, the surface laminating of bracing piece sets up the surface at the stopper.
Preferably, the third weather shield forms a telescopic structure with the chute through a second telescopic spring.
Preferably, one side of the third weather shield is equidistantly separated from the fixed groove, and one side of the third weather shield is equidistantly separated from the fixed groove and is provided with the abutting block.
Preferably, the top of the first weather shield is provided with a line hole in a penetrating way, and the first weather shield is made of transparent materials.
Compared with the prior art, the application has the beneficial effects that: the power distribution network fault detection device comprises a power distribution network fault detection unit;
1. the current transformer module is used for collecting and converting the current of the detection cable and sending the current to the current detection module and the voltage detection module for analysis and detection, then the detection signal is sent to the processing module, and the detection result is displayed in the display screen through the display module after the signal is analyzed and processed by the processing module, so that a worker can judge whether the fault exists, the fault type and the fault position, and the cable can be subjected to various detection, so that the detection device is convenient to use, and maintenance can be performed after the position of the fault is measured.
2. Through supporting mechanism's setting to in this distribution network fault detection device use, can make backup pad autogiration and lift the bottom half through the pulling pull rod fast, and use stably, the accessible rotates first rotation handle simultaneously and adjusts the inclination of box, and then can adjust to the angle of being convenient for the staff to observe, simultaneously through the setting of rotary drum, thereby can slide through rotary drum and ground, the inclination of the staff to the box of being convenient for adjusts, and can accomodate fixedly through recess and fixed block fast to the backup pad, and then guaranteed the maintenance efficiency of staff to distribution network fault.
3. Through the setting of mechanism that keeps off the rain to when using this distribution network fault detection device outdoor rain, can make first weather shield, second weather shield and third weather shield carry out comprehensive weather shield to fault detection subassembly, make the staff can be timely detect the maintenance to the distribution network, need not to seek safe position of keeping off the rain and use, simultaneously through the setting of second screw rod, second expansion spring, the stability when having guaranteed first weather shield, second weather shield and third weather shield, and be convenient for fold and accomodate, occupation space is not taken.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the overall bottom view of the present application;
FIG. 3 is a schematic view of the structure of the case of the present application in an opened state;
FIG. 4 is a schematic view showing a bottom view of the case of the present application in an opened state;
FIG. 5 is a schematic view showing the structure of the support mechanism in the unfolded state of the present application;
FIG. 6 is a schematic view of a first portion of the support mechanism of the present application;
FIG. 7 is a schematic view of a second part of the supporting mechanism of the present application;
FIG. 8 is a schematic view of the rain barrier of the present application in an extended configuration;
FIG. 9 is a schematic view of a first portion of the rain shielding mechanism of the present application;
FIG. 10 is a schematic view of a second portion of the rain shielding mechanism of the present application;
FIG. 11 is a flow chart of the detection of the fault detection assembly of the present application.
In the figure: 1. a case; 2. a case cover; 3. a buckle; 4. a handle; 6. a groove; 8. a circular groove; 9. a clamping groove; 11. a limiting block; 12. a clasp; 13. a tension spring; 5. a fault detection assembly; 501. a current transformer module; 502. a current detection module; 503. a voltage detection module; 504. a processing module; 505. a display module; 7. a support mechanism; 701. a first rotating lever; 702. a support plate; 703. a torsion spring; 704. a clamping block; 705. a fixed block; 706. a first extension spring; 707. a connecting rod; 708. a pull rod; 709. pulling the groove; 710. a first screw; 711. a first rotary handle; 712. a first connection block; 713. a rotating drum; 10. a rain shielding mechanism; 1001. a first weather shield; 1002. a support rod; 1003. a screw hole; 1004. a transverse groove; 1005. a second screw; 1006. a second rotary handle; 1007. a rotating column; 1008. a second connection block; 1009. a second weather shield; 1010. a chute; 1011. a third weather shield; 1012. a second extension spring; 1013. a fixing groove; 1014. and (5) abutting the block.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1-11, the present application provides a technical solution: the utility model provides a distribution network fault detection device, including box 1, case lid 2, buckle 3, handle 4, fault detection subassembly 5, recess 6 has been seted up to the bottom of box 1, and the inner wall of recess 6 is provided with supporting mechanism 7, and the circular slot 8 has been seted up to the inner wall of recess 6 corresponding supporting mechanism 7 symmetry, the inner wall of recess 6 corresponds supporting mechanism 7 equidistance and leaves and be equipped with draw-in groove 9 then, further fault detection subassembly 5 includes current transformer module 501, current detection module 502, voltage detection module 503, processing module 504, display module 505.
The further supporting mechanism 7 comprises a first rotating rod 701, wherein two end parts of the first rotating rod 701 are rotatably connected to the inner wall of a circular groove 8, the outer wall of the first rotating rod 701 is fixedly connected with a supporting plate 702, then the outer wall of the first rotating rod 701 is provided with a torsion spring 703 at equal distance, one end part of the torsion spring 703 is lapped on the inner wall of the circular groove 8, the other end part of the torsion spring 703 is lapped inside the supporting plate 702, then one side of the supporting plate 702 far away from the first rotating rod 701 is provided with a clamping block 704 at equal distance, the top of the clamping block 704 is provided with a slope, the bottom of the clamping block 704 is provided with a fixed block 705, then the outer wall of the fixed block 705 is connected to the inner wall of a clamping groove 9 in a sliding manner, one side of the fixed block 705 is fixedly connected with a first telescopic spring 706, the other end part of the first telescopic spring 706 is fixedly connected to the inner wall of the clamping groove 9, one side of the fixed block 705 is fixedly connected with a connecting rod 707, the other end part of the connecting rod 707 penetrates through the inner wall of the clamping groove 9 and the inner wall of the groove 6 is internally threaded and is connected with a first screw 710, then one end part of the first screw 710 is fixedly connected with the first screw 710, one end part of the first screw 710, the first screw 710 is arranged at one end of the first screw rod 710 is in a position near to the corresponding slope, the bottom of the supporting plate 702 is provided with a corresponding one side of the clamping block 708, and the corresponding side of the supporting plate is arranged at the bottom of the first rotating block, which is provided with a slope, which is connected with one side, which is arranged at one side, and is near to the end side of the end of the supporting plate, and has a slope, and is arranged, and is connected with one side, and is correspondingly, and is provided with one side and has a connecting end and is rotatably and has a connecting side and is rotatably and has a side and is rotatably and is connected;
more specifically, in this embodiment, the fault detection assembly 5 includes a current transformer module 501, a current detection module 502, a voltage detection module 503, and a processing module 504 electrically connected to the jack, and a display module 505 electrically connected to the display screen,
in this distribution network fault detection device use, box 1 is articulated with case lid 2, when using this distribution network fault detection device, takes down buckle 3 at first, opens case lid 2 then, starts fault detection subassembly 5, observes whether the display screen of fault detection subassembly 5 upper surface is normally bright, inserts the plug of two fastener in the jack of fault detection subassembly 5 upper surface afterwards, alright through pressing from both sides the fastener on the awaiting measuring point position of cable after the mistake.
The current transformer module 501 is used for collecting and converting the current of the detection cable, sending the current to the current detection module 502 and the voltage detection module 503 for analysis and detection, then sending the detection signal to the processing module 504, and the module 504 to be processed displays the detection result in a display screen through the display module 505 after analyzing and processing the signal, so that a worker can judge whether a fault exists, the fault type and the fault position, and can carry out various detection on the cable, thus being convenient to use and being capable of being maintained after the position of the fault is measured;
then the device is taken and moved through the handle 4, when a worker reaches a position to be measured, clamping blocks 704 are equidistantly arranged on one side of the supporting plate 702, a fixed block 705 is arranged at the bottom of the clamping blocks 704, a first telescopic spring 706 is fixedly connected to one side of the fixed block 705, a connecting rod 707 is fixedly connected to one side of the fixed block 705, the other end of the connecting rod 707 penetrates through the inner wall of the clamping groove 9 and is fixedly connected with a pull rod 708, and a pull groove 709 is formed in one side of the pull rod 708, so that the pull rod 708 can be pulled outwards through the pull groove 709 in advance, the fixed block 705 is contracted into the clamping groove 9 and compresses the first telescopic spring 706, and when the fixed block 705 is completely contracted to the clamping groove 9, the fixed block 705 is not contacted with the clamping blocks 704, and further limitation of the supporting plate 702 is relieved;
at this time, the two end parts of the first rotating rod 701 are rotationally connected to the inner wall of the circular groove 8, the outer wall of the first rotating rod 701 is fixedly connected with the supporting plate 702, the outer wall of the first rotating rod 701 is equidistantly provided with the torsion spring 703, meanwhile, one end part of the torsion spring 703 is lapped on the inner wall of the circular groove 8, the other end part of the torsion spring 703 is lapped inside the supporting plate 702, and the torsion spring 703 is in a compressed state, so when the fixed block 705 is not contacted with the clamping block 704, the torsion spring 703 rebounds to drive the supporting plate 702 to circumferentially move around the first rotating rod 701 until contacting with the edge of the inner wall of the groove 6, the supporting plate 702 can be rapidly rotated automatically by pulling the pull rod 708 and the bottom of the box 1 is lifted, and under the action of the torsion spring 703, the box 1 is stably used, and the situation that the supporting plate 702 is not moved can not be normally lifted;
further, after the supporting plate 702 forms a supporting point, the device is put down at this moment, then the first screw 710 is connected through the internal thread of the groove 6, one end part of the first screw 710 is fixedly connected with the first rotating handle 711, and the other end part of the first screw 710 abuts against the bottom of the supporting plate 702, so that the first screw 710 can be driven to rotate by rotating the first rotating handle 711, further the first screw 710 can continuously extrude the side surface of the supporting plate 702, the first rotating rod 701 rotates backwards, the inclination angle of the box 1 is adjusted, and the display screen can be adjusted to an angle convenient for a worker to observe;
further, the first connecting blocks 712 are equidistantly arranged on one side of the supporting plate 702, and the rotating drums 713 are rotatably connected to one side, close to the two first connecting blocks 712, of the supporting plate 702, so that when the supporting plate 702 contacts with the edge of the inner wall of the groove 6 and then the box 1 is placed down, the supporting plate 702 contacts with the ground through the rotating drums 713, friction force can be reduced through rotation of the rotating drums 713 and the ground, and the inclination angle of the box 1 can be conveniently adjusted by workers;
further, when the support plate 702 needs to be retracted, the support plate 702 can be directly pressed at the moment to retract the support plate 702 into the groove 6, the support plate 702 is set to be inclined through the top of the clamping block 704 and the bottom of the fixing block 705 corresponds to the clamping block 704 to be inclined, so that the fixing block 705 can be retracted into the clamping groove 9 through the contact between the fixing block 705 and the inclined surface corresponding to the clamping block 704, and when the support plate 702 is completely retracted into the groove 6, the first telescopic spring 706 rebounds at the moment to enable the fixing block 705 to reset and support the clamping block 704, and then the support plate 702 is fixed, so that the support plate 702 is simple and convenient;
further, after the support plate 702 is fixed by the fixing block 705, the first rotary handle 711 is rotated to screw the first screw 710 into the groove 6, and at this time, the outer wall of the first screw 710 is close to the bottom of the support plate 702, so that the support plate 702 can be further limited, and the damage to staff or other articles caused by sudden ejection of the support plate 702 due to incorrect touching of the pull rod 708 is avoided;
through as described above to in this distribution network fault detection device use, can make backup pad 702 autogiration and raise box 1 bottom fast through pulling pull rod 708, and use stably, accessible rotation first knob 711 adjusts the inclination of box 1 simultaneously, and then can adjust the angle to be convenient for the staff observe, simultaneously through the setting of rotary drum 713, thereby can slide through rotary drum 713 and ground, be convenient for the staff adjust the inclination of box 1, and can accomodate fixedly through recess 6 and fixed block 705 fast to backup pad 702, and then guaranteed the maintenance efficiency of staff to the distribution network fault.
Example two
On the basis of the embodiment, the top of the case cover 2 is provided with the rain shielding mechanism 10, two sides of the case cover 2 are fixedly connected with the limiting block 11 corresponding to the rain shielding mechanism 10, one side of the opening and closing hinged positions of the case body 1 and the case cover 2 facing the two sides is provided with the clamping ring 12 at equal distance, meanwhile, the inner wall of the clamping ring 12 is provided with the tension spring 13, the further rain shielding mechanism 10 comprises a first rain shielding plate 1001, two sides of the first rain shielding plate 1001 are attached with support rods 1002, two sides of the first rain shielding plate 1001 are correspondingly provided with screw holes 1003, one side of the support rods 1002 is correspondingly provided with transverse grooves 1004 in a penetrating way, the outer wall of the second screw 1005 penetrates through the transverse grooves 1004 and is in threaded connection with the inner wall of the screw holes 1003, one end part of the second screw 1005 is fixedly connected with a second rotating handle 1006, then the inner part of the support rods 1002 is rotationally connected with a rotating column 1007, one end part of the rotating column 1007 is rotationally connected with one side of the case cover 2, and the bottom of the first weather shield 1001 is equidistantly provided with a second connecting block 1008, then one side of the two second connecting blocks 1008, which is close to each other, is rotationally connected with a second weather shield 1009, one side of the second weather shield 1009 is provided with a chute 1010, the inner wall of the chute 1010 is slidingly connected with a third weather shield 1011, then the inner wall of the chute 1010 is equidistantly provided with a second telescopic spring 1012, the other end of the second telescopic spring 1012 is fixedly connected with one side of the third weather shield 1011, the surface of the supporting rod 1002 is attached to the surface of the limiting block 11, then the third weather shield 1011 and the chute 1010 form a telescopic structure through the second telescopic spring 1012, one side of the third weather shield 1011 is equidistantly separated from the fixed slot 1013, one side of the third weather shield 1011 is equidistantly separated from the fixed block 1014, a plurality of fixed slots 1013 are in staggered connection with a plurality of the abutting blocks 1014 in sequence at equal intervals, meanwhile, a wire hole is formed in the top of the first weather shield 1001 in a penetrating manner, and the first weather shield 1001 is made of transparent material;
more specifically, in this embodiment, when the device is raised outdoors and is suddenly rained, since the first weather shield 1001 is disposed between the two support rods 1002, the second screw 1005 is driven to rotate by rotating the second screw 1006, so that the second screw 1005 can pass through the transverse slot 1004 and be screwed into the screw hole 1003, and the second screw 1006 is pressed on the side surface of the support rod 1002, so that the first weather shield 1001 can be fixed, and when the second screw 1005 is screwed out, the fixation of the first weather shield 1001 can be released;
when the outside rains, the fixation of the first rain shield 1001 is firstly released, then the first rain shield 1001 is pulled to move in a direction away from the rotating column 1007 until the outer wall of the second screw 1005 reaches the extreme edge of the transverse groove 1004, at this time, the rotating column 1007 is connected through the rotation inside the supporting rod 1002, and one end part of the rotating column 1007 is connected to one side of the case cover 2 in a rotation manner, so that the first rain shield 1001 can be rotated from one side of the case cover 2 to the other side, then the first rain shield 1001 is moved in a direction approaching to the rotating column 1007 until one side of the first rain shield 1001 is attached to the outer wall of one side of the case cover 2, then the second rotating handle 1006 is rotated to fix the position of the first rain shield 1001, and at this time, the first rain shield 1001 can shield the upper part of the device;
the bottom of the further first weather shield 1001 is provided with second connecting blocks 1008 at equal intervals, one sides, close to the two second connecting blocks 1008, of the two second weather shields 1009 are rotatably connected with the second weather shields 1009, the two second weather shields 1009 are respectively positioned on the left side and the right side of the device, a sliding groove 1010 is formed in one side of the second weather shield 1009, the inner wall of the sliding groove 1010 is slidably connected with a third weather shield 1011, the inner wall of the sliding groove 1010 is provided with second telescopic springs 1012 at equal intervals, meanwhile, the other end part of each second telescopic spring 1012 is fixedly connected to one side of the third weather shield 1011, so that when the two second weather shields 1009 naturally hang down, the two third weather shields 1011 are ejected out of the sliding groove 1010 until the lower parts of the two third weather shields 1011 are propped against the upper part of the box body 1, the positions of the second weather shields 1009 and the third weather shields 1011 are fixed, and therefore, the first weather shields 1001, the second weather shields 1009 and the third weather shields 1011 can be comprehensively detected by the third weather shields 1011 on one side of the fault detection assembly 5, and the power distribution network can be ensured to be completely detected by the second weather shields 1001, the second weather shields 1011 and the position of the second weather shields 1011 can be ensured, and the safety and the position of the weather shields can be guaranteed by the second weather shields, and the user can be guaranteed to keep out of the position of the weather shields and the weather shield and the safety shield;
then, a wire hole is formed through the top of the first rain shield 1001, so that plugs of two wire clamps can be conveniently inserted into insertion holes on the upper surface of the fault detection assembly 5 through the wire hole, and then the first rain shield 1001 is made of transparent materials, so that in the rain shield process, the first rain shield 1001 can not shield the vision of a worker for observing a display screen;
when the rain shielding mechanism 10 is not needed, fixing grooves 1013 are formed in one side of the two third rain shielding plates 1011 at equal intervals, and abutting blocks 1014 are formed in one side of the two third rain shielding plates 1011 at equal intervals, so that when the second rain shielding plates 1009 are retracted, the two third rain shielding plates 1011 are pressed into the retraction sliding groove 1010, the two second rain shielding plates 1009 are rotated to be in the original position, namely are attached to the bottom of the first rain shielding plates 1001, at the moment, the pressing of the two third rain shielding plates 1011 is stopped, the two third rain shielding plates 1011 are outwards ejected under the driving of the second telescopic springs 1012, and a plurality of abutting blocks 1014 of the two third rain shielding plates 1011 are clamped into the fixing grooves 1013, so that the second rain shielding plates 1009 and the third rain shielding plates 1011 after being accommodated can be fixed, then the fixing of the first rain shielding plates 1001 is released by rotating the second rotary handles 1006, and the first rain shielding plates 1001 can be rotated to be in the original position and fixed again;
further, in the process of using the rain shielding mechanism 10, as the box body 1 is in a lifting state, and under the gravity of the rain shielding mechanism 10, the box cover 2 is easy to close, the clamping ring 12 is arranged at the same direction side of the box body 1 and the box cover 2 at equal distance, and meanwhile, the tension spring 13 is arranged on the inner wall of the clamping ring 12, so that the tension spring 13 can be hung in the clamping ring 12 of the box cover 2, the box cover 2 is limited through the tension spring 13, and the box cover 2 is prevented from being suddenly closed;
through as mentioned above to when this distribution network fault detection device is used to outdoor rain, can make first weather shield 1001, second weather shield 1009 and third weather shield 1011 carry out comprehensive weather shield to fault detection subassembly 5, make the staff can be timely detect the maintenance to the distribution network, need not to seek safe position of keeping off the rain and use, simultaneously through the setting of second screw rod 1005, second extension spring 1012, guaranteed stability when first weather shield 1001, second weather shield 1009 and third weather shield 1011 use, and be convenient for fold and accomodate, occupation space is not taken up.
Working principle: when the power distribution network fault detection device is used, the device is taken and moved through the handle 4, when a worker reaches a position to be measured, the pull rod 708 is pulled outwards through the pull groove 709 in advance, so that the fixed block 705 is contracted into the clamping groove 9 and compresses the first telescopic spring 706, when the fixed block 705 is completely contracted into the clamping groove 9, the fixed block 705 is not contacted with the clamping block 704 at this time, the limit on the supporting plate 702 is further relieved, the torsion spring 703 rebounds to drive the supporting plate 702 to move circumferentially around the first rotating rod 701 until the supporting plate 702 contacts with the inner wall edge of the groove 6, the supporting plate 702 can be quickly rotated automatically and the bottom of the box body 1 is lifted through pulling the pull rod 708, and under the action of the torsion spring 703, the use is stable, and the box body 1 is normally taken up without the situation that the supporting plate 702 moves;
then, after the supporting plate 702 forms a supporting point, the device is put down at the moment, the first screw 710 is driven to rotate by rotating the first rotary handle 711, so that the first screw 710 continuously extrudes the side surface of the supporting plate 702, the first rotary handle 701 rotates to rotate, the inclination angle of the box body 1 is adjusted, the display screen can be adjusted to an angle convenient for a worker to observe, and meanwhile, after the supporting plate 702 is contacted with the edge of the inner wall of the groove 6, the supporting plate 702 is contacted with the ground through the rotary drum 713 at the moment, friction force can be reduced by rotating the rotary drum 713 and the ground, and the inclination angle of the box body 1 is adjusted conveniently by the worker;
after adjustment, the buckle 3 is taken down, the box cover 2 is opened, the fault detection assembly 5 is started, whether a display screen on the upper surface of the fault detection assembly 5 is normally lightened or not is observed, plugs of two wire clamps are inserted into jacks on the upper surface of the fault detection assembly 5, the wire clamps can be clamped on a to-be-detected point of a cable after error is avoided, a current transformer module 501 is used for collecting and converting current of the detection cable and sending the current to a current detection module 502 and a voltage detection module 503 for analysis and detection, a detection signal is sent to a processing module 504, the to-be-processed module 504 displays a detection result in the display screen through a display module 505 after the signal analysis and processing, so that a worker can judge whether the fault, the fault type and the fault position exist or not, and the cable can be subjected to multiple detection, and is convenient to use, and maintenance can be carried out after the fault position is measured;
then when the support plate 702 needs to be retracted, the support plate 702 can be directly pressed at the moment to retract the support plate 702 into the groove 6, the support plate 702 is set to be inclined through the top of the clamping block 704 and the bottom of the fixing block 705 corresponds to the clamping block 704 to be inclined in the process of retracting the support plate 702 into the groove 6, so that the fixing block 705 can be retracted into the clamping groove 9 through the contact of the fixing block 705 with the inclined surface corresponding to the clamping block 704, when the support plate 702 is completely retracted into the groove 6, the first telescopic spring 706 rebounds to enable the fixing block 705 to reset and support the clamping block 704, the support plate 702 is further fixed, the support plate 702 is simple and convenient, the first rotary handle 711 can be rotated to enable the first screw 710 to be screwed into the groove 6, the outer wall of the first screw 710 is close to the bottom of the support plate 702 at the moment, and therefore the support plate 702 can be further limited, and injuries to workers or other objects caused by sudden ejection of the support plate 702 caused by mistaken contact of the pull rod 708 can be avoided;
when the device is lifted up and suddenly rains, the fixing of the first rain shield 1001 is firstly released, then the first rain shield 1001 is pulled to move in a direction away from the rotating column 1007 until the outer wall of the second screw 1005 reaches the extreme edge of the transverse groove 1004, then the first rain shield 1001 is rotated from one side of the box cover 2 to the other side, then the first rain shield 1001 is moved in a direction approaching to the rotating column 1007 until one side of the first rain shield 1001 is attached to the outer wall of one side of the box cover 2, and then the second rotating handle 1006 is rotated to fix the position of the first rain shield 1001, so that the first rain shield 1001 can shield the upper part of the device;
then when the two second weather shields 1009 naturally hang down, at this time, the two third weather shields 1011 are ejected out of the chute 1010 through the second expansion springs 1012 until the lower parts of the two third weather shields 1011 are propped against the upper part of the box 1, so that the positions of the second weather shields 1009 and the third weather shields 1011 are fixed, and further, the first weather shields 1001, the second weather shields 1009 and the third weather shields 1011 can comprehensively shield the fault detection assembly 5, so that a worker can timely detect and maintain the power distribution network without searching for the safe weather shield position, and the stability of the first weather shields 1001, the second weather shields 1009 and the third weather shields 1011 during use is ensured through the arrangement of the second screws 1005 and the second expansion springs 1012;
meanwhile, a wire hole is formed through the top of the first rain shield 1001, so that plugs of two wire clamps can be conveniently inserted into insertion holes on the upper surface of the fault detection assembly 5 through the wire hole, and then the first rain shield 1001 is made of transparent materials, and therefore, in the rain shield process, the first rain shield 1001 can not shield the sight of a worker to observe a display screen;
then when the rain shielding mechanism 10 is not needed, the two third rain shielding plates 1011 are pressed and retracted into the chute 1010, then the two second rain shielding plates 1009 are rotated back to the original position, namely are attached to the bottom of the first rain shielding plate 1001, at the moment, the pressing of the two third rain shielding plates 1011 is stopped, the two third rain shielding plates 1011 are ejected outwards under the driving of the second telescopic springs 1012, and then the plurality of abutting blocks 1014 of the two third rain shielding plates 1011 are clamped into the plurality of fixing grooves 1013, so that the second rain shielding plates 1009 and the third rain shielding plates 1011 after being accommodated can be fixed, then the fixing of the first rain shielding plates 1001 is released by rotating the second rotating handles 1006, and the first rain shielding plates 1001 are rotated back to the original position and are fixed again;
then, the clamping ring 12 is arranged at the same direction and at equal distance on one side of the box body 1 and the box cover 2, and meanwhile, the tension spring 13 is arranged on the inner wall of the clamping ring 12, so that the tension spring 13 can be hung in the clamping ring 12 of the box cover 2, the box cover 2 is limited through the tension spring 13, and the box cover 2 is prevented from being suddenly closed.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a distribution network fault detection device, includes box (1), case lid (2), buckle (3), handle (4), fault detection subassembly (5), its characterized in that: the novel rain shielding device is characterized in that a groove (6) is formed in the bottom of the box body (1), a supporting mechanism (7) is arranged on the inner wall of the groove (6), round grooves (8) are symmetrically formed in the inner wall of the groove (6) corresponding to the supporting mechanism (7), clamping grooves (9) are formed in the inner wall of the groove (6) corresponding to the supporting mechanism (7) in an equidistant mode, a rain shielding mechanism (10) is arranged at the top of the box cover (2), limiting blocks (11) are fixedly connected to the two sides of the box cover (2) corresponding to the rain shielding mechanism (10), clamping rings (12) are arranged on the box body (1) and the box cover (2) towards one side of an opening-closing hinge joint of the two sides at equal distances, and tension springs (13) are arranged on the inner wall of the clamping rings (12);
the supporting mechanism (7) comprises a first rotating rod (701), two end parts of the first rotating rod (701) are rotationally connected to the inner wall of a circular groove (8), the outer wall of the first rotating rod (701) is fixedly connected with a supporting plate (702), torsion springs (703) are arranged on the outer wall of the first rotating rod (701) at equal intervals, one end part of each torsion spring (703) is lapped on the inner wall of the circular groove (8), the other end part of each torsion spring (703) is lapped in the supporting plate (702), a clamping block (704) is arranged on one side of each supporting plate (702) far away from the first rotating rod (701) at equal intervals, the top of each clamping block (704) is provided with an inclined surface, the bottom of each clamping block (704) is provided with a fixing block (705), the outer wall of each fixing block (705) is slidably connected to the inner wall of each clamping groove (9), one side of each fixing block (705) is fixedly connected with a first telescopic spring (706), the other end part of each first telescopic spring (706) is fixedly connected to the inner wall of each clamping groove (9), one side of each fixing block (705) is fixedly connected with a clamping rod (710), one end part of each connecting rod (707) is fixedly connected with a threaded rod (710), the other end part of each connecting rod (710) is fixedly connected with a threaded rod (707), one end part of the first screw rod (710) is fixedly connected with a first rotary handle (711), and the other end part of the first screw rod (710) is propped against the bottom of the supporting plate (702); the bottom of the fixed block (705) is arranged in an inclined plane shape corresponding to the clamping block (704);
a pulling groove (709) is formed in one side of the pull rod (708);
a first connecting block (712) is equidistantly arranged on one side of the supporting plate (702), and a rotary drum (713) is rotatably connected to one side, close to the two first connecting blocks (712); the rain shielding mechanism (10) comprises a first rain shielding plate (1001), support rods (1002) are arranged on two sides of the first rain shielding plate (1001) in a laminating mode, screw holes (1003) are correspondingly formed in two sides of the first rain shielding plate (1001), transverse grooves (1004) are correspondingly formed in one side of the support rods (1002) in a penetrating mode, the outer walls of the second screw rods (1005) penetrate through the transverse grooves (1004) to be connected with the inner walls of the screw holes (1003) in a threaded mode, a second rotary handle (1006) is fixedly connected to one end portion of each second screw rod (1005), a rotary column (1007) is connected to the inside of each support rod (1002) in a rotary mode, one end portion of each rotary column (1007) is connected to one side of a box cover (2) in a rotary mode, second connecting blocks (1008) are arranged at equal distances on the bottoms of the first rain shielding plates (1001), sliding grooves (1010) are formed in a rotary mode on one sides of the second connecting blocks (1008) in a rotary mode, and the inner walls of the sliding grooves (1010) are connected to third rain shielding plates (1009) in a sliding mode;
the fault detection assembly (5) comprises a current transformer module (501), a current detection module (502), a voltage detection module (503), a processing module (504) and a display module (505).
2. The power distribution network fault detection device according to claim 1, wherein the second expansion springs (1012) are equidistantly arranged on the inner wall of the chute (1010), and the other end portion of the second expansion springs (1012) is fixedly connected to one side of the third weather shield (1011).
3. The power distribution network fault detection device according to claim 2, wherein the surface of the supporting rod (1002) is attached to the surface of the limiting block (11).
4. A power distribution network fault detection device according to claim 3, wherein the third weather shield (1011) forms a telescopic structure with the chute (1010) through a second telescopic spring (1012).
5. The power distribution network fault detection device according to claim 4, wherein a fixing groove (1013) is formed in one side of the third rain shield (1011) in an equidistant manner, a supporting block (1014) is formed in one side of the third rain shield (1011) in an equidistant manner, and a plurality of fixing grooves (1013) and a plurality of supporting blocks (1014) are in staggered insertion fit in sequence at equal intervals.
6. The power distribution network fault detection device according to claim 5, wherein a wire hole is formed through the top of the first weather shield (1001), and the first weather shield (1001) is made of a transparent material.
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| CN202310991775.9A CN116699199B (en) | 2023-08-08 | 2023-08-08 | Fault detection device for power distribution network |
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| CN117792521A (en) * | 2023-12-20 | 2024-03-29 | 国网江苏省电力有限公司无锡供电分公司 | Communication fault quick detection device |
| CN118033182B (en) * | 2024-04-09 | 2024-06-25 | 国网山东省电力公司巨野县供电公司 | Secondary circuit detector for switch cabinet |
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