CN113504433A

CN113504433A - Portable detector for power distribution network fault location

Info

Publication number: CN113504433A
Application number: CN202110796634.2A
Authority: CN
Inventors: 徐岩; 李政坤
Original assignee: North China Electric Power University
Current assignee: North China Electric Power University
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-10-15

Abstract

The invention discloses a portable detector for positioning faults of a power distribution network, which comprises a shell, wherein an assembly groove is formed in the upper part inside the shell, a groove is arranged at the lower part inside the shell, sliding blocks are fixedly connected at the middle positions of the two sides of the inner wall of the groove, the middle position of the groove is provided with a storage box, the middle positions of two sides of the storage box are provided with sliding grooves, the detection device is provided with a connecting block, a first fixing belt, a second fixing belt, a first fixing block, a second fixing block, a bolt and an inserting hole, a fault route to be detected is clamped through an alligator clip, then transmit the signal to control panel through first connector and the second connector on the wire, further through the jack on first fixed band and bolt and the second fixed band, can fix the detector on user's waist to conveniently carry the detector.

Description

Portable detector for power distribution network fault location

Technical Field

The invention relates to the technical field of detectors, in particular to a portable detector for power distribution network fault location.

Background

The power distribution network is a power network which receives electric energy from an output power grid or a regional power plant, distributes the electric energy to various users in situ or step by step according to voltage through power distribution facilities, consists of overhead lines, cables, towers, distribution transformers, isolation switches, reactive compensators, auxiliary facilities and the like, plays a role in distributing the electric energy in the power network, and mainly relates to the automatic positioning technology of the faults of the power distribution network: fault line selection, section positioning, fault distance measurement and the like, wherein the fault line selection is used for identifying and judging fault lines in a plurality of outgoing lines of a bus, the section positioning is used for rapidly isolating faults and recovering power supply of a non-fault area, and the fault distance measurement is used for directly positioning a fault position.

The general volume ratio of current detector is great, and is inconvenient to carry, and inconvenient measuring tool is not convenient for take and deposit, and the general operation of detector is more complicated moreover, inconvenient use.

Disclosure of Invention

The invention aims to solve the problems that the detector in the prior art is large in size, inconvenient to carry, inconvenient to take and store a test tool, complex in operation and inconvenient to use, and provides a portable detector for power distribution network fault location, which has the effects of convenience in carrying, taking and storing the test tool and convenience in use.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a distribution network fault location uses portable detector, includes the casing, the assembly groove has been seted up to the inside top of casing, the inside below of casing is seted up flutedly, the equal fixedly connected with slider of intermediate position of recess inner wall both sides, the intermediate position of recess is provided with the storage box, the spout has all been seted up to the intermediate position of storage box both sides, the inside intermediate position fixedly connected with baffle of storage box, the equal fixedly connected with connecting block of intermediate position of casing both sides, one side of connecting block is the first fixed band of fixedly connected with and second fixed band respectively, the top of assembly groove is rotated through the hinge and is connected with fixed cover plate, the equal fixedly connected with handle in intermediate position at fixed cover plate top, the top fixedly connected with control panel of assembly groove.

Preferably, the test pencil is tested to recess inner wall's bottom fixedly connected with, the inside equal fixedly connected with crocodile in bottom of keeping away from the test pencil of recess presss from both sides, the equal fixedly connected with wire of intermediate position of crocodile clamp one side, the first connector of one side fixedly connected with and the second connector of wire.

Preferably, one side fixedly connected with first active filter of assembly tank bottom, one side fixedly connected with second active filter of first active filter is kept away from to the assembly tank bottom, the intermediate position fixedly connected with singlechip of assembly tank bottom one side.

Preferably, the first fixed block of one side fixedly connected with of first fixed band, the equal fixedly connected with bolt of intermediate position of first fixed block one side, one side fixedly connected with second fixed block of second fixed band, the jack has all been seted up to the intermediate position of second fixed block one side, the jack is connected for inserting with the bolt.

Preferably, the number of the sliding blocks is two, the number of the sliding grooves is two, and the two sliding grooves are in sliding connection with the sliding blocks.

Preferably, the middle position of one side of the bottom of the assembling groove, which is far away from the single chip microcomputer, is fixedly connected with a storage battery.

Compared with the prior art, the invention provides a portable detector for power distribution network fault location, which has the following beneficial effects:

1. the detector is provided with a connecting block, a first fixing belt, a second fixing belt, a first fixing block, a second fixing block, a bolt and a jack, a fault route to be detected is clamped through an alligator clip, then a signal is transmitted to a control panel through a first connector and a second connector on a wire, and further the detector can be fixed on the waist of a worker through the first fixing belt and the bolt and the jack on the second fixing belt, so that the detector is convenient to carry.

2. The test box is provided with the sliding groove, the sliding block, the storage box, the test pencil and the crocodile clip, whether electric leakage exists in a circuit can be detected through the test pencil, the sliding groove in the storage box can move on the sliding block in the groove, and tools can be stored in a classified mode through the partition plate, so that the test tools can be taken or stored conveniently.

3. The invention is provided with a second active filter, a storage battery, a singlechip and a control panel, wherein the first active filter and the second active filter are used for filtering, the storage battery is used for supplying electric energy to a detector, and then the singlechip is used for converting a received low-frequency alternating current signal into a digital signal and feeding the waveform back to the control panel.

The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of a cross-sectional structure according to the present invention.

Description of the reference numerals

1. A housing; 2. assembling a groove; 3. a single chip microcomputer; 4. a first active filter; 5. fixing the cover plate; 6. a handle; 7. a hinge; 8. a second active filter; 9. a storage battery; 10. connecting blocks; 11. a first securing strap; 12. a chute; 13. a slider; 14. a storage box; 15. a groove; 16. an electroscope; 17. a partition plate; 18. a first connector; 19. a wire; 20. a crocodile clip; 21. a second connector; 22. a first fixed block; 23. a bolt; 24. a second securing strap; 25. a second fixed block; 26. a jack; 27. a control panel.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a distribution network fault location uses portable detector, which comprises a housin 1, assembly groove 2 has been seted up to 1 inside top of casing, 1 inside below of casing is seted up flutedly 15, the equal fixedly connected with slider 13 of intermediate position of recess 15 inner wall both sides, recess 15's intermediate position is provided with storage box 14, spout 12 has all been seted up to the intermediate position of storage box 14 both sides, the inside intermediate position fixedly connected with baffle 17 of storage box 14, the equal fixedly connected with connecting block 10 of intermediate position of 1 both sides of casing, one side of connecting block 10 is the first fixed band 11 of fixedly connected with and second fixed band 24 respectively, hinge 7 rotation is passed through at assembly groove 2's top and is connected with fixed cover plate 5, the equal fixedly connected with handle 6 at the intermediate position at fixed cover plate 5 top, assembly groove 2's top fixedly connected with control panel 27, thereby conveniently carry the detector.

In the invention, preferably, the bottom of the inner wall of the groove 15 is fixedly connected with an electroscope pen 16, the bottoms of the inner part of the groove 15, which are far away from the electroscope pen 16, are fixedly connected with an alligator clip 20, the middle position of one side of the alligator clip 20 is fixedly connected with a wire 19, one side of the wire 19 is fixedly connected with a first connector 18 and a second connector 21, a fault route to be detected can be clamped by the alligator clip 20, and then signals are transmitted to the control panel 27 through the first connector 18 and the second connector 21 on the wire 19.

Preferably, one side fixedly connected with first active filter 4 of assembly groove 2 bottom, one side fixedly connected with second active filter 8 of first active filter 4 is kept away from to assembly groove 2 bottom, carries out filtering processing through first active filter 4 and second active filter 8, and the intermediate position fixedly connected with singlechip 3 of assembly groove 2 bottom one side converts the low frequency alternating current signal of receipt into digital signal and puts control panel 27 with waveform feedback through singlechip 3.

Preferably, the first fixed block 22 of one side fixedly connected with of first fixed band 11, the equal fixedly connected with bolt 23 of intermediate position of first fixed block 22 one side, one side fixedly connected with second fixed block 25 of second fixed band 24, jack 26 has all been seted up to the intermediate position of second fixed block 25 one side, and jack 26 is connected for inserting with bolt 23, is convenient for fix the detector on staff's waist.

Preferably, the number of the sliding blocks 13 is two, the number of the sliding grooves 12 is two, and the two sliding grooves 12 are in sliding connection with the sliding blocks 13, so that the storage box 14 can move.

Preferably, the middle position of one side of the bottom of the assembly groove 2, which is far away from the single chip microcomputer 3, is fixedly connected with a storage battery 9, so that the detector can be supplied with electric energy.

The working principle and the using process of the invention are as follows: when the device is used, firstly, a worker can fix the detector on the waist through the first fixing belt 11 and the inserting holes 26 on the bolt 23 and the second fixing belt 24, move the detector to a designated position, then hold the handle 6 by hand to open the fixing cover plate 5 through the hinge 7, further open the detector through the control panel 27, then move on the sliding block 13 in the groove 15 through the sliding groove 12 on the storage box 14, then store tools in a classified manner through the partition plate 17, take out the test pencil 16 to detect whether electric leakage exists in a circuit, then take out the alligator clip 20 to clip a fault route required to be detected, then transmit signals to the control panel 27 through the first connector 18 and the second connector 21 on the lead 19, perform filtering processing on the first active filter 4 and the second active filter 8, and further provide electric energy for the detector through the storage battery 9, then, the received low-frequency alternating current signal is converted into a digital signal through the singlechip 3, and the waveform is fed back to the control panel 27.

The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.

Claims

1. A portable detector for distribution network fault location, includes casing (1), its characterized in that: the improved portable storage box is characterized in that an assembly groove (2) is formed in the upper portion of the interior of the shell (1), a groove (15) is formed in the lower portion of the interior of the shell (1), sliders (13) are fixedly connected to the middle positions of two sides of the inner wall of the groove (15), storage boxes (14) are arranged at the middle positions of the groove (15), sliding grooves (12) are formed in the middle positions of two sides of each storage box (14), partition plates (17) are fixedly connected to the middle positions of the interior of each storage box (14), connecting blocks (10) are fixedly connected to the middle positions of two sides of the shell (1), a first fixing belt (11) and a second fixing belt (24) are fixedly connected to one side of each connecting block (10) respectively, the top of the assembly groove (2) is rotatably connected with a fixing cover plate (5) through hinges (7), and handles (6) are fixedly connected to the middle positions of the top of the fixing cover plate (5), the top of the assembling groove (2) is fixedly connected with a control panel (27).

2. The portable detector for power distribution network fault location according to claim 1, wherein an electroscope (16) is fixedly connected to the bottom of the inner wall of the groove (15), an alligator clip (20) is fixedly connected to the bottom of the inner wall of the groove (15) far away from the electroscope (16), a lead (19) is fixedly connected to the middle position of one side of the alligator clip (20), and a first connector (18) and a second connector (21) are fixedly connected to one side of the lead (19).

3. The portable detector for power distribution network fault location according to claim 1, wherein a first active filter (4) is fixedly connected to one side of the bottom of the assembly groove (2), a second active filter (8) is fixedly connected to one side of the bottom of the assembly groove (2) far away from the first active filter (4), and a single chip microcomputer (3) is fixedly connected to the middle position of one side of the bottom of the assembly groove (2).

4. The portable detector for power distribution network fault location according to claim 1, wherein a first fixing block (22) is fixedly connected to one side of the first fixing band (11), a bolt (23) is fixedly connected to an intermediate position of one side of the first fixing block (22), a second fixing block (25) is fixedly connected to one side of the second fixing band (24), a jack (26) is formed at an intermediate position of one side of the second fixing block (25), and the jack (26) is connected with the bolt (23) in an inserting manner.

5. The portable detector for fault location of the power distribution network according to claim 1, wherein the number of the sliding blocks (13) is two, the number of the sliding grooves (12) is two, and the two sliding grooves (12) are in sliding connection with the sliding blocks (13).

6. The portable detector for fault location of the power distribution network according to claim 1, wherein a storage battery (9) is fixedly connected to the middle position of one side of the bottom of the assembly groove (2) far away from the single chip microcomputer (3).