CN219349035U - Transmission line fault location sensing terminal - Google Patents
Transmission line fault location sensing terminal Download PDFInfo
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- CN219349035U CN219349035U CN202223581299.3U CN202223581299U CN219349035U CN 219349035 U CN219349035 U CN 219349035U CN 202223581299 U CN202223581299 U CN 202223581299U CN 219349035 U CN219349035 U CN 219349035U
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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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Abstract
The utility model discloses a fault positioning sensing terminal of a power transmission line, wherein a power taking cavity, a mounting cavity and a detection cavity are arranged in a base, the power taking cavity and the detection cavity are respectively positioned at the front side and the rear side of the mounting cavity, a waterproof baffle is arranged on a mounting cavity cover, a sealing strip is arranged between the waterproof baffle and the outer edge of the mounting cavity, an antenna seat is arranged on the upper part of the upper cover, a cellular antenna and a positioning antenna are respectively arranged at the left side and the right side of the antenna seat, a CT power taking device is arranged in the power taking cavity, a Rogowski coil is arranged in the detection cavity, a power supply PCB, a detection PCB and a communication PCB are arranged in the mounting cavity, the detection PCB and the communication PCB are respectively electrically connected with the power supply PCB, the CT power taking device is electrically connected with the power supply PCB, the cellular antenna and the positioning antenna are respectively electrically connected with the communication PCB. The antenna is external, and signal strength is high, and interference killing feature is strong, and waterproof performance is strong, and stability is high, can handle extreme weather.
Description
Technical Field
The utility model relates to the technical field of fault positioning of a power transmission line, in particular to a fault positioning sensing terminal of the power transmission line.
Background
The transmission line is that after the electric energy that the power plant sent is boosted with the transformer, inserts transmission line through control equipment such as circuit breaker again and realizes the transmission of electric energy, receives the influence of electric energy transmission distance, and transmission line often has the characteristics that the distance is long and need span multiple complicated topography to because transmission line voltage is high, in order to guarantee safety, need erect aloft through the iron tower, and transmission line is then easily influenced by environmental weather such as thunderbolt, wind and vibration, ice and snow pile up aloft, still easily receive external force influences such as animal, plant, artificial, rubbish, consequently break down easily, need maintain the transmission line and patrol and examine. In the prior art, a fault positioning sensing terminal is arranged on a power transmission line to monitor the condition of the power transmission line in real time, after a fault is found, a fault point is positioned in time, maintenance personnel can quickly and accurately find the fault point to maintain and overhaul, and maintenance and overhaul efficiency is improved. The fault location sensing terminal in the prior art is often connected with a main station system through cellular signals, and is located through locating, and the cellular antenna and the locating antenna are built in the fault location sensing terminal, and are subjected to strong electric interference of a power transmission line, so that network delay is high, fault information is not timely conveyed, particularly the fault location sensing terminal installed in mountain forests, signals transmitted by a signal tower are blocked by the mountain forests, the signals received by the fault location sensing terminal are worse, the condition of disconnection easily occurs, connection is unstable, fault information and position information are difficult to transmit when faults occur, and the fault location sensing terminal is invalid.
On the other hand, the fault location sensing terminal suffers from sun and rain in the open air for a long time, and the traditional fault location sensing terminal usually only has the waterproof grade of IP66, and if extreme weather such as mountain floods is met, the fault location sensing terminal also has water inflow risks, so that the fault location sensing terminal is damaged and cannot stably run in the extreme weather, and therefore, the fault location sensing terminal needs to be improved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the transmission line fault positioning sensing terminal which is externally arranged, high in signal strength, strong in anti-interference capability, strong in waterproof performance and high in stability and can cope with extreme weather.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a transmission line fault location sensing terminal, includes base and upper cover, and the upper cover covers the upper portion of base, and the upper threading half hole that the opening was down has been seted up to the central part at the front and back both ends of upper cover, and the lower threading half hole that the opening was up has been seted up to the central part at the front and back both ends of base, and the upper threading half hole and the lower threading half hole that lie in the same one end of base splice and form a wire passing hole that is used for supplying transmission line to pass fault location sensing terminal,
the inside of the base is provided with an electricity taking cavity, an installation cavity and a detection cavity, the electricity taking cavity and the detection cavity are respectively positioned at the front side and the rear side of the installation cavity,
the installation cavity cover is provided with a waterproof baffle, a sealing strip is arranged between the waterproof baffle and the outer edge of the installation cavity, the upper part of the upper cover is provided with an antenna seat, the left side and the right side of the antenna seat are respectively provided with a honeycomb installation groove and a positioning installation groove, a honeycomb antenna is arranged in the honeycomb installation groove, a positioning antenna is arranged in the positioning installation groove,
a CT electricity taking device is arranged in the electricity taking cavity,
a rogowski coil is arranged in the detection chamber,
install power supply PCB board, detection PCB board and communication PCB board in the installation cavity, detect PCB board and communication PCB board and be connected with power supply PCB board electricity respectively, CT gets the electricity device electricity and connects power supply PCB board, and rogowski coil electricity is connected and is detected the PCB board, and cellular antenna and positioning antenna are connected with communication PCB board electricity respectively.
In a further technical scheme, the left and right sides of antenna pedestal are provided with first inclined plane and second inclined plane respectively, and first inclined plane and second inclined plane are from inside to outside downward sloping setting, and contained angle between first inclined plane and the second inclined plane is 45 ~ 150, and the location mounting groove sets up in first inclined plane, and the honeycomb mounting groove sets up in the second inclined plane, and the inside cavity of antenna pedestal, the last antenna through wires hole that runs through the antenna pedestal has been seted up respectively to the bottom surface of location mounting groove and honeycomb mounting groove, and the lower antenna through wires hole has been seted up to the position that the upper cover corresponds the antenna pedestal.
In further technical scheme, the outside of the bottom of base is provided with polar plate subassembly, and polar plate subassembly includes metal polar plate, insulating mounting panel and two installation layering, and polar plate mounting groove has been seted up at the middle part of insulating mounting panel, and metal polar plate inlays and locates in the polar plate mounting groove, and two installation layering set up respectively in the both sides of insulating mounting panel, pass through the screw with insulating mounting panel fixed mounting between installation layering and base, metal polar plate and detection PCB board electric connection.
In a further technical scheme, the electricity taking cavity is separated from the mounting cavity by a first partition board, the detection cavity is separated from the mounting cavity by a second partition board, the left side and the right side of the upper part of the first partition board and the right side of the upper part of the second partition board are respectively provided with an outlet slot with an upward opening, and each outlet slot is embedded with a rubber waterproof sleeve.
In a further technical scheme, the central part of the upper parts of the first baffle plate and the second baffle plate are respectively provided with a notch with an upward opening, the middle part of the waterproof baffle plate is sunken downwards to form a wire passing groove, and the outer edge of the waterproof baffle plate is attached to the side edges of the first baffle plate, the second baffle plate and the base through sealing strips to form a closed installation cavity.
In further technical scheme, the left and right sides face and the bottom surface of the waterproof cover of rubber are provided with the joint groove, and the joint groove cooperates with the lateral wall joint of play wire casing, and the middle part of the waterproof cover of rubber is provided with the threading mouth, and the upper portion of the waterproof cover of rubber is provided with the card line portion, and the card line portion includes two elastic rubber shelves strips that bilateral symmetry set up, the outer tip and the waterproof cover integrated into one piece of the waterproof cover of two elastic rubber shelves strip, and the inner tip of two elastic rubber shelves strips is supported or has a card line clearance slightly, and the upper end and the waterproof baffle of two elastic rubber shelves strips support the cooperation.
In further technical scheme, the first side of upper cover is articulated through the screw pivot with the first side of base, and the second side of upper cover passes through screw mutual fixed connection with the second side of base, still is provided with another sealing strip between upper cover and the base, and the inner tip of screw pivot is provided with the external screw thread, and the outer tip of screw pivot is provided with the groove of screwing, and the first side of upper cover is provided with wears the shaft hole, and the first side of base is provided with the screw hole, and the screw shaft passes to wear shaft hole and screw hole threaded connection, wears shaft hole and screw shaft swivelling fit.
In further technical scheme, still be provided with power supply unit in the installation cavity, power supply unit includes battery, battery mount and insulating gum, and insulating gum pastes in the inner wall of installation cavity, and battery mount fixed mounting is in the base, and the battery sets up between insulating gum and battery mount, and the upper portion of battery is supported to the battery mount, and insulating gum is pasted with the lower part of battery, battery and power supply PCB board electric connection.
In a further technical scheme, the left and right sides in the installation cavity are respectively symmetrically provided with a PCB fixing strip, opposite sides of the two PCB fixing strips are respectively provided with a plurality of PCB clamping grooves at intervals, the left and right sides of a power supply PCB, a detection PCB and a communication PCB are respectively inserted into each PCB clamping groove, the power supply PCB is inserted into the PCB clamping grooves adjacent to the power taking cavity, the detection PCB is inserted into the PCB clamping grooves adjacent to the detection cavity, the communication PCB is inserted into the PCB clamping grooves between the power supply PCB and the detection PCB, the upper parts of the two PCB fixing strips are respectively provided with a pressing plate, and the upper end faces of the power supply PCB, the detection PCB and the communication PCB are respectively in propping fit with the bottom surfaces of the pressing plates.
In a further technical scheme, the electricity taking cavity and the mounting cavity are respectively provided with a fixed wire clamp, the fixed wire clamp comprises an upper fixed buckle, a lower fixed buckle and a fixed connecting piece, the first side of the upper fixed buckle is hinged with the first side of the lower fixed buckle, the second ends of the upper fixed buckle and the lower fixed buckle are respectively provided with a fixed slot hole with an outward opening, the fixed connecting piece is embedded into the fixed slot hole to fixedly connect the upper fixed buckle and the lower fixed buckle, and a fixed rubber ring is further arranged between the upper fixed buckle and the lower fixed buckle;
at least one water drain hole is respectively arranged at the position of the base corresponding to the electricity taking cavity and the mounting cavity.
By adopting the structure, compared with the prior art, the utility model has the following advantages: the inside of the base is divided into a power taking cavity, a mounting cavity and a detection cavity, circuits such as a PCB (printed circuit board) and the like are mounted in the mounting cavity, the mounting cavity is kept airtight, the waterproof grade is improved to IP67, and the circuit can work normally in extreme weather; the cellular antenna and the positioning antenna extend out of the upper shell through the antenna base, so that interference is reduced, signal strength is improved, and stability is high.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;
FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with the present utility model;
FIG. 5 is a schematic view of the structure of the opening cover of the present utility model;
FIG. 6 is a schematic view of the internal structure of the base of the present utility model;
FIG. 7 is a schematic view of the structure of the elastic rubber stopper of the present utility model.
In the figure:
1a base, 11 sealing strips, 12 threaded rotating shafts, 121 screwing grooves, 13 drain holes and 14 threaded holes;
2 electricity taking cavity and 21CT electricity taking device;
the installation cavity is 3, the power supply PCB of 31a, the detection PCB of 31b, the communication PCB of 31c, the waterproof baffle of 32, the 321 wire passing groove, the first baffle of 33, the second baffle of 34, the 35 wire outlet groove, the 36PCB fixing strip, the 361PCB clamping groove, the 37 pressing plate, the 38 rubber waterproof sleeve, the 381 clamping groove, the 382 wire passing opening and the 383 elastic rubber blocking strip;
a detection chamber and a 41 Rogowski coil;
5 upper cover, 51 antenna base, 511 first inclined plane, 512 second inclined plane, 513 honeycomb mounting groove, 514 positioning mounting groove, 52 honeycomb antenna, 53 positioning antenna, 54 upper antenna threading hole, 55 lower antenna threading hole;
6 polar plate components, 61 metal polar plates, 62 insulating mounting plates, 621 polar plate mounting grooves and 63 mounting pressing strips;
7 fixing wire clamps, 71 upper fixing buckles, 72 lower fixing buckles, 73 fixing connecting pieces, 74 fixing slotted holes and 75 fixing rubber rings;
8, wire passing holes;
91 storage battery, 92 battery mount, 93 insulating gum.
Detailed Description
The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model.
The utility model provides a transmission line fault location sensing terminal, as shown in figures 1-7, including base 1 and upper cover 5, upper cover 5 lid closes in the upper portion of base 1, the upper threading half hole that the opening was down has been seted up to the central part at the front and back both ends of upper cover 5, the lower threading half hole that the opening was up has been seted up at the central part at the front and back both ends of base 1, the upper threading half hole and the lower threading half hole concatenation that are located the same one end of base 1 form a wire passing hole 8 that is used for supplying the transmission line to pass fault location sensing terminal, the inside of base 1 is provided with gets electric cavity 2, installation cavity 3 and detection cavity 4, get electric cavity 2 and detection cavity 4 are located the front and back both sides of installation cavity 3 respectively, installation cavity 3 lid is equipped with waterproof baffle 32, be provided with sealing strip 11 between the outer fringe of waterproof baffle 32 and installation cavity 3, the upper portion of upper cover 5 is provided with antenna pedestal 51, antenna pedestal 51 left and right sides is provided with honeycomb mounting groove 513 and location mounting groove 514 respectively, install cellular antenna 52 in the honeycomb mounting groove 513, install location antenna 53 in the location mounting groove 514, install CT in getting electric cavity 2 and get electric installation 21, install rogowski coil 41 in the detection cavity 4, install power supply PCB 31a in the installation cavity 3, detect PCB 31b and communication PCB 31c and be connected with power supply PCB 31a electricity respectively, CT gets electric installation 21 electricity and is connected power supply PCB 31a, rogowski coil 41 electricity is connected with and is detected PCB 31b, cellular antenna 52 and location antenna 53 are connected with communication PCB 31c electricity respectively.
The cellular antenna 52 and the positioning antenna 53 of the traditional fault positioning sensing terminal are arranged in the fault positioning sensing terminal, and are weak in cellular signals and positioning signals due to strong electric interference of a power transmission line, so that network delay is high, fault information is not transmitted timely, the traditional fault positioning sensing terminal is only IP66 in waterproof grade, and the traditional fault positioning sensing terminal is difficult to work normally in extreme weather, the inside of the base 1 is divided into a power taking cavity 2, a mounting cavity 3 and a detection cavity 4, circuits such as a power supply PCB 31a, a detection PCB 31b and a communication PCB 31c are mounted in the mounting cavity 3, the mounting cavity 3 is kept airtight, waterproof grade is improved to IP67, and the traditional fault positioning sensing terminal can work normally in extreme weather; the cellular antenna 52 and the positioning antenna 53 extend out of the upper shell through the antenna base 51, so that interference is reduced, signal strength is improved, and stability is high.
Specifically, the left and right sides of the antenna seat 51 are respectively provided with a first inclined plane 511 and a second inclined plane 512, the first inclined plane 511 and the second inclined plane 512 are obliquely arranged from inside to outside, the included angle between the first inclined plane 511 and the second inclined plane 512 is 45 ° to 150 °, the positioning mounting groove 514 is arranged on the first inclined plane 511, the honeycomb mounting groove 513 is arranged on the second inclined plane 512, the antenna seat 51 is hollow, the bottom surfaces of the positioning mounting groove 514 and the honeycomb mounting groove 513 are respectively provided with an upper antenna threading hole 54 penetrating through the antenna seat 51, and the upper cover 5 is provided with a lower antenna threading hole 55 corresponding to the position of the antenna seat 51. The cellular antenna 52 and the positioning antenna 53 are respectively and fixedly arranged in the cellular mounting groove 513 and the positioning mounting groove 514, so that the cellular antenna 52 and the positioning antenna 53 are prevented from shaking in windy weather, and the falling risk is reduced; preferably, the included angle between the first inclined plane 511 and the second inclined plane 512 is 120 ° to 140 °, after the cellular antenna 52 and the positioning antenna 53 are installed, the cellular antenna 52 and the positioning antenna 53 face two different directions respectively, so as to avoid interference therebetween, and further improve stability.
Specifically, the outside of the bottom of base 1 is provided with polar plate subassembly 6, polar plate subassembly 6 includes metal polar plate 61, insulating mounting panel 62 and two installation layering 63, polar plate mounting groove 621 has been seted up at the middle part of insulating mounting panel 62, metal polar plate 61 inlays and locates in polar plate mounting groove 621, two installation layering 63 set up respectively in the both sides of insulating mounting panel 62, through screw with insulating mounting panel 62 fixed mounting between installation layering 63 and base 1, metal polar plate 61 and detection PCB board 31b electric connection. The metal plate 61 senses the electric field signal generated by the wire, transmits the electric field signal to the corresponding detection PCB 31b, processes the signal, and transmits the information to the main station through the cellular antenna 52 and the positioning antenna 53. The insulating mounting plate 62 completely wraps the metal polar plate 61, so that the metal polar plate 61 is prevented from being damaged by external force, and the detection precision is improved.
Specifically, the electricity taking chamber 2 and the installation chamber 3 are separated by a first partition plate 33, the detection chamber 4 and the installation chamber 3 are separated by a second partition plate 34, the left side and the right side of the upper part of the first partition plate 33 and the second partition plate 34 are respectively provided with an outlet groove 35 with an upward opening, and each outlet groove 35 is embedded with a rubber waterproof sleeve 38. The connecting wires of the cellular antenna 52 and the positioning antenna 53 are respectively penetrated into the antenna seat 51 from the upper antenna threading hole 54, then the lower antenna threading hole 55 penetrates into the detection chamber 4, and all the connecting wires in the detection chamber 4 and all the connecting wires of the power taking chamber 2 penetrate into the installation chamber 3 from the wire outlet groove 35 through the rubber waterproof sleeve 38, so that the rubber waterproof sleeve 38 can tightly wrap the connecting wires to play a waterproof effect.
Specifically, the central parts of the upper parts of the first partition plate 33 and the second partition plate 34 are respectively provided with a notch with an upward opening, the middle part of the waterproof baffle plate 32 is downwards recessed to form a wire passing groove 321, and the outer edge of the waterproof baffle plate 32 is attached to the side edges of the first partition plate 33, the second partition plate 34 and the base 1 through the sealing strips 11 to form a sealed installation cavity 3. The waterproof baffle 32 seals the installation chamber 3 separately for the second time, preventing water in the detection chamber 4 and the electricity taking chamber 2 from entering the installation chamber 3.
Specifically, the left and right sides face and the bottom surface of the waterproof rubber sleeve 38 are provided with clamping grooves 381, the clamping grooves 381 are matched with the side wall of the outlet groove 35 in a clamping manner, the middle part of the waterproof rubber sleeve 38 is provided with a threading opening 382, the upper part of the waterproof rubber sleeve 38 is provided with a thread clamping portion, the thread clamping portion comprises two elastic rubber stop strips 383 which are symmetrically arranged left and right, the outer end parts of the two elastic rubber stop strips 383 are integrally formed with the waterproof rubber sleeve 38, the inner end parts of the two elastic rubber stop strips 383 are lightly abutted or have a thread clamping gap, and the upper end parts of the two elastic rubber stop strips 383 are in abutting fit with the waterproof baffle 32. The waterproof rubber sleeve 38 is T-shaped, gaps between the waterproof rubber sleeve 38 and the first partition plate 33 and the second partition plate 34 are filled through the clamping grooves 381, water is prevented from flowing in from the gaps between the waterproof rubber sleeve 38 and the first partition plate 33 and the second partition plate 34, the upper portion of the waterproof rubber sleeve 38 is slightly higher than the upper end faces of the first partition plate 33 and the second partition plate 34, the waterproof rubber sleeve is tightly attached to the waterproof baffle 32, the outer edge of the waterproof rubber sleeve 38 is guaranteed to be sealed, connecting wires enter the threading openings 382 from between the two elastic rubber baffle strips 383, the connecting wires do not need to be disassembled to penetrate, and the installation is more convenient.
Specifically, the first side of upper cover 5 is articulated through screw pivot 12 with the first side of base 1, and the second side of upper cover 5 passes through screw interconnect fixed connection with the second side of base 1, still is provided with another sealing strip 11 between upper cover 5 and the base 1, and the inner tip of screw pivot 12 is provided with the external screw thread, and the outer tip of screw pivot 12 is provided with the groove 121 of screwing, and the first side of upper cover 5 is provided with wears the shaft hole, and the first side of base 1 is provided with screw hole 14, and screw pivot 12 passes and wears shaft hole and screw hole 14 threaded connection, wears shaft hole and screw pivot 12 swivelling fit. When the fault location sensing terminal is installed on a power transmission cable, the upper cover 5 is only required to be rotated and opened, the threaded rotating shaft 12 is in a cylindrical shape, the screwing groove 121 is a cross or a straight groove, the fastening is realized by using a screwdriver, the installation is convenient, and the rotating shaft does not need to be additionally penetrated.
Specifically, still be provided with power supply unit in the installation cavity 3, power supply unit includes battery 91, battery mount 92 and insulating gum 93, and insulating gum 93 pastes in the inner wall of installation cavity 3, and battery mount 92 fixed mounting is in base 1, and battery 91 sets up between insulating gum 93 and battery mount 92, and battery mount 92 supports the upper portion of battery 91, and insulating gum 93 pastes with the lower part of battery 91, battery 91 and power supply PCB board 31a electric connection. The storage battery 91 adopts a lithium battery capable of being circularly charged, is stuck in the installation cavity 3 through the insulating back glue 93, and meanwhile, the battery fixing frame 92 presses the storage battery 91 tightly, so that the battery is required to be charged through the CT electricity taking device 21.
Specifically, the left and right sides in the installation cavity 3 are symmetrically provided with the PCB fixing strips 36 respectively, opposite sides of the two PCB fixing strips 36 are provided with a plurality of PCB clamping grooves 361 at intervals respectively, the left and right sides of the power supply PCB 31a, the detection PCB 31b and the communication PCB 31c are inserted into the respective PCB clamping grooves 361 respectively, the power supply PCB 31a is inserted into the PCB clamping groove 361 adjacent to the power taking cavity 2, the detection PCB 31b is inserted into the PCB clamping groove 361 adjacent to the detection cavity 4, the communication PCB 31c is inserted into the PCB clamping groove 361 between the power supply PCB 31a and the detection PCB 31b, the upper parts of the two PCB fixing strips 36 are respectively provided with the pressing plate 37, and the upper end surfaces of the power supply PCB 31a, the detection PCB 31b and the communication PCB 31c are respectively in abutting fit with the bottom surface of the pressing plate 37. Because the inner space of the installation cavity 3 is limited, the volume of the PCB board capable of being installed is limited, the installation is flexible by arranging the power supply PCB board 31a, the detection PCB board 31b and the communication PCB board 31c, the space is fully utilized, if one of the installation cavity and the detection PCB board is damaged, the installation cavity can be replaced independently, the maintenance is convenient, the maintenance cost is reduced, and the reliability and the stability are improved. Preferably, at least one PCB card slot 361 is spaced between the power supply PCB 31a, the detection PCB 31b and the communication PCB 31c, so as to increase the gap between the power supply PCB 31a, the detection PCB 31b and the communication PCB 31c, prevent heat generation and improve the heat dissipation effect. The power supply PCB 31a, the detection PCB 31b and the communication PCB 31c are respectively inserted into the corresponding PCB clamping grooves 361, and finally the PCB clamping grooves 361 are plugged through the pressing plate 37, so that the power supply PCB 31a, the detection PCB 31b and the communication PCB 31c are simultaneously fixed on the PCB fixing strip 36, the use of screws is reduced, the disassembly and assembly are convenient, the power supply PCB 31a, the detection PCB 31b and the communication PCB 31c are all coated with insulating waterproof sealant, and the waterproof effect is further improved.
Specifically, the electricity taking chamber 2 and the installation chamber 3 are respectively provided with a fixed wire clamp 7, the fixed wire clamp 7 comprises an upper fixed buckle 71, a lower fixed buckle 72 and a fixed connecting piece 73, a first side of the upper fixed buckle 71 is hinged with a first side of the lower fixed buckle 72, second ends of the upper fixed buckle 71 and the lower fixed buckle 72 are respectively provided with a fixed slot 74 with an opening facing outwards, the fixed connecting piece 73 is embedded into the fixed slot 74 to fixedly connect the upper fixed buckle 71 and the lower fixed buckle 72, and a fixed rubber ring 75 is further arranged between the upper fixed buckle 71 and the lower fixed buckle 72; at least one drain hole 13 is respectively arranged at the position of the base 1 corresponding to the power taking chamber 2 and the mounting chamber 3. The upper fixing buckle 71 is opened in a rotating mode, the upper fixing buckle 71 is closed after the power transmission cable is put in, the power transmission cable is fastened through the fixing connecting piece 73, the fixing connecting piece 73 is made of bolts, the fixing rubber ring 75 is attached to the power transmission cable, water is prevented from entering from the wire through hole 8, the fixing rubber ring 75 is made of high-voltage-resistant insulating silica gel, and the voltage is resistant to 10KV. The upper cover 5 is sealed with the base 1 through the sealing strip 11, so that the electricity taking cavity 2 and the detection cavity 4 are airtight, and as the CT electricity taking device 21 and the Rogowski coil 41 installed in the electricity taking cavity 2 and the detection cavity 4 have waterproofness, even if water enters the electricity taking cavity 2 and the detection cavity 4 in extreme weather, the CT electricity taking device 21 and the Rogowski coil 41 cannot be damaged, meanwhile, accumulated water in the electricity taking cavity 2 and the detection cavity 4 is discharged through the water discharge hole 13, the CT electricity taking device 21 and the Rogowski coil 41 are prevented from being soaked by water, and the stability is further improved.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. The utility model provides a transmission line trouble location perception terminal, includes base (1) and upper cover (5), upper cover (5) lid closes in the upper portion of base (1), and the upper threading half hole down of opening has been seted up to the central part at both ends around upper cover (5), and the lower threading half hole up of opening has been seted up to the central part at both ends around base (1), is located the upper threading half hole and the lower threading half hole concatenation of the same one end of base (1) and forms one and be used for supplying transmission line to pass trouble location perception terminal's line hole (8), its characterized in that:
the inside of the base (1) is provided with a power taking cavity (2), a mounting cavity (3) and a detection cavity (4), the power taking cavity (2) and the detection cavity (4) are respectively positioned at the front side and the rear side of the mounting cavity (3),
the installation cavity (3) is covered with a waterproof baffle (32), a sealing strip (11) is arranged between the waterproof baffle (32) and the outer edge of the installation cavity (3), an antenna seat (51) is arranged on the upper part of the upper cover (5), a honeycomb installation groove (513) and a positioning installation groove (514) are respectively arranged on the left side and the right side of the antenna seat (51), a honeycomb antenna (52) is arranged in the honeycomb installation groove (513), a positioning antenna (53) is arranged in the positioning installation groove (514),
a CT electricity taking device (21) is arranged in the electricity taking cavity (2),
a rogowski coil (41) is arranged in the detection chamber (4),
install power supply PCB board (31 a), detect PCB board (31 b) and communication PCB board (31 c) in installation cavity (3), detect PCB board (31 b) and communication PCB board (31 c) and be connected with power supply PCB board (31 a) electricity respectively, CT gets electric installation (21) electricity and connects power supply PCB board (31 a), rogowski coil (41) electricity is connected and is detected PCB board (31 b), honeycomb antenna (52) and positioning antenna (53) are connected with communication PCB board (31 c) electricity respectively.
2. The transmission line fault location aware terminal of claim 1, wherein: the antenna base (51) left and right sides is provided with first inclined plane (511) and second inclined plane (512) respectively, and first inclined plane (511) and second inclined plane (512) are from inside to outside downward sloping setting, and contained angle between first inclined plane (511) and second inclined plane (512) is 45 ~ 150, location mounting groove (514) set up in first inclined plane (511), honeycomb mounting groove (513) set up in second inclined plane (512), the inside cavity of antenna base (51), and upper antenna through wires hole (54) that run through antenna base (51) have been seted up respectively to the bottom surface of location mounting groove (514) and honeycomb mounting groove (513), lower antenna through wires hole (55) have been seted up to the position that upper cover (5) corresponds antenna base (51).
3. The transmission line fault location aware terminal of claim 2, wherein: the outside of the bottom of base (1) is provided with polar plate subassembly (6), polar plate subassembly (6) are including metal polar plate (61), insulating mounting panel (62) and two installation layering (63), polar plate mounting groove (621) have been seted up at the middle part of insulating mounting panel (62), metal polar plate (61) are inlayed and are located in polar plate mounting groove (621), two installation layering (63) set up respectively in the both sides of insulating mounting panel (62), through screw with insulating mounting panel (62) fixed mounting between installation layering (63) and base (1), metal polar plate (61) and corresponding detect PCB board (31 b) electric connection.
4. A transmission line fault location aware terminal according to claim 3, characterized in that: get electric cavity (2) with cut off through first baffle (33) between installation cavity (3), cut off through second baffle (34) between detection cavity (4) and the installation cavity (3), wire outlet groove (35) that the opening was up are seted up respectively to the left and right sides on upper portion of first baffle (33) and second baffle (34), and each wire outlet groove (35) inlay has rubber waterproof jacket (38).
5. The transmission line fault location aware terminal of claim 4, wherein: the central part on the upper portion of first baffle (33) with the breach that the opening upwards has been seted up respectively to the middle part undercut of waterproof baffle (32) forms one and passes wire casing (321), and the outer fringe of waterproof baffle (32) passes through with first baffle (33), second baffle (34) with the side of base (1) is passed through sealing strip (11) laminating forms a inclosed installation cavity (3).
6. The transmission line fault location aware terminal of claim 5, wherein: the waterproof rubber sleeve is characterized in that clamping grooves (381) are formed in the left side surface and the right side surface of the waterproof rubber sleeve (38) and the bottom surface of the waterproof rubber sleeve are matched with the side wall of the wire outlet groove (35) in a clamping mode, a threading opening (382) is formed in the middle of the waterproof rubber sleeve (38), a wire clamping portion is arranged on the upper portion of the waterproof rubber sleeve (38), the wire clamping portion comprises two elastic rubber stop strips (383) which are symmetrically arranged left and right, the outer end portions of the two elastic rubber stop strips (383) are integrally formed with the waterproof rubber sleeve (38), the inner end portions of the two elastic rubber stop strips (383) are in light abutting fit or are in a wire clamping gap, and the upper end portions of the two elastic rubber stop strips (383) are in abutting fit with the waterproof baffle (32).
7. The transmission line fault location aware terminal of claim 6, wherein: the first side of upper cover (5) with the first side of base (1) is articulated through screw pivot (12), and the second side of upper cover (5) passes through screw interconnect fixed connection with the second side of base (1), still is provided with another between upper cover (5) and base (1) sealing strip (11), the inner tip of screw pivot (12) is provided with the external screw thread, and the outer tip of screw pivot (12) is provided with screws groove (121), and the first side of upper cover (5) is provided with wears the shaft hole, and the first side of base (1) is provided with screw hole (14), and screw pivot (12) pass and wear shaft hole and screw hole (14) threaded connection, wears shaft hole and screw pivot (12) swivelling fit.
8. The transmission line fault location aware terminal of claim 7, wherein: still be provided with power supply unit in installation cavity (3), power supply unit includes battery (91), battery mount (92) and insulating gum (93), and insulating gum (93) paste in the inner wall of installation cavity (3), battery mount (92) fixed mounting in base (1), battery (91) set up between insulating gum (93) and battery mount (92), the upper portion of battery mount (92) butt battery (91), and insulating gum (93) paste with the lower part of battery (91), battery (91) and corresponding power supply PCB board (31 a) electric connection.
9. The transmission line fault location aware terminal of claim 1, wherein: the utility model discloses a PCB fixing device, including installation cavity (3), PCB fixing strip (36) are provided with respectively to the symmetry in the left and right sides in installation cavity (3), and the opposite side of two PCB fixing strips (36) is provided with a plurality of PCB draw-in grooves (361) respectively at the interval, power supply PCB board (31 a) detect PCB board (31 b) with in each PCB draw-in groove (361) are inserted respectively to the left and right sides of communication PCB board (31 c), power supply PCB board (31 a) insert locate adjacent get PCB draw-in groove (361) of electric cavity (2), detect PCB board (31 b) insert locate adjacent PCB draw-in groove (361) of detecting cavity (4), PCB draw-in groove (361) between power supply PCB board (31 a) and detection PCB board (31 b) are inserted to communication PCB board (31 c), and the upper end of two PCB fixing strips (36) are provided with clamp plate (37) respectively, power supply PCB board (31 a), detect PCB board (31 b) and communication PCB board (31 c) up end respectively with the bottom surface top cooperation of clamp plate (37).
10. The transmission line fault location aware terminal of claim 9, wherein: the electricity taking cavity (2) and the mounting cavity (3) are respectively provided with a fixed wire clamp (7), the fixed wire clamp (7) comprises an upper fixed buckle (71), a lower fixed buckle (72) and a fixed connecting piece (73), the first side of the upper fixed buckle (71) is hinged with the first side of the lower fixed buckle (72), the second ends of the upper fixed buckle (71) and the lower fixed buckle (72) are respectively provided with a fixed slot hole (74) with an outward opening, the fixed connecting piece (73) is embedded into the fixed slot hole (74) to be fixedly connected with the upper fixed buckle (71) and the lower fixed buckle (72), and a fixed rubber ring (75) is further arranged between the upper fixed buckle (71) and the lower fixed buckle (72);
at least one water drain hole (13) is respectively formed in the base (1) at a position corresponding to the power taking cavity (2) and the mounting cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223581299.3U CN219349035U (en) | 2022-12-31 | 2022-12-31 | Transmission line fault location sensing terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223581299.3U CN219349035U (en) | 2022-12-31 | 2022-12-31 | Transmission line fault location sensing terminal |
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| CN219349035U true CN219349035U (en) | 2023-07-14 |
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| CN202223581299.3U Active CN219349035U (en) | 2022-12-31 | 2022-12-31 | Transmission line fault location sensing terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117714902A (en) * | 2024-02-05 | 2024-03-15 | 广东森旭通用设备科技有限公司 | Ultralow-illumination image video online monitoring method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117714902A (en) * | 2024-02-05 | 2024-03-15 | 广东森旭通用设备科技有限公司 | Ultralow-illumination image video online monitoring method and system |
| CN117714902B (en) * | 2024-02-05 | 2024-04-19 | 广东森旭通用设备科技有限公司 | Ultralow-illumination image video online monitoring method and system |
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