CN210376561U

CN210376561U - Fault positioning device for power transmission and distribution network

Info

Publication number: CN210376561U
Application number: CN201921079297.XU
Authority: CN
Inventors: 肖鑫子
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-21
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a power transmission and distribution network fault positioning device, which comprises an installation shell, the mounting groove has all been seted up to installation casing top outer wall both sides, and the sliding tray has all been seted up to mounting groove both sides inner wall, and two sliding tray inner wall sliding connection in one side have the sliding plate that same level was placed, the connecting rod is installed to sliding plate top outer wall, and connecting rod top outer wall installs down the ring, ring top one side outer wall articulates through the hinge has last ring down, and goes up ring top outer wall and rotate and be connected with first threaded rod, and first threaded rod bottom outer wall is pasted and is had the rubber pad. The utility model discloses in, through being provided with heat radiation fins, can dispel the heat to the fault locating device body, through being provided with semiconductor refrigeration piece and fin, further improved the radiating effect, and set up like this and avoided external air admission, make the device possess dampproofing and dustproof effect, improved life.

Description

Fault positioning device for power transmission and distribution network

Technical Field

The utility model relates to a power failure system detects technical field, especially relates to transmission and distribution network fault locating device.

Background

In China, medium and low voltage distribution networks have more network structures due to complex lines, and when the distribution networks have single-phase earth faults, the fault characteristic quantity is more, so that fault positioning is always a difficult problem. However, currently, two problems mostly exist in fault location: fault judgment is realized by matching fault indication and FTU (fiber to the Unit) and the like, and the method has higher cost; the other positioning devices operate on the line independently, but most of the current information obtained by the positioning devices is fault current, the impact on the fault positioning devices is large, and the single-phase earth fault cannot be positioned.

Through the retrieval, chinese patent application number is CN208872840U, discloses novel online fault location device of distribution network, the intelligent cabinet temperature adjusting device comprises a cabinet body, the open-ended cavity has been seted up to last one side that is equipped with of the cabinet body, be equipped with the fault location device body in the cavity, fixed mounting has the fin in the cavity, and the fin contacts with the fault location device body. The above patent has the following disadvantages that the second driving motor can drive the fan blades to rotate, so that the air circulation rate in the cavity can be accelerated, the heat dissipation directly enables the fault locating device body to be in contact with the outside air, the device can be affected with damp, and long-term dust can be accumulated above the device, so that the service life of the device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the transmission and distribution network fault location device who proposes, problem that can effectual solution background art propose.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the fault positioning device for the transmission and distribution network comprises an installation shell, wherein installation grooves are respectively formed in two sides of the outer wall of the top of the installation shell, sliding grooves are arranged on the inner walls of the two sides of the mounting groove, the inner walls of the two sliding grooves on one side are connected with a sliding plate which is horizontally arranged in a sliding manner, a connecting rod is arranged on the outer wall of the top of the sliding plate, and the outer wall of the top of the connecting rod is provided with a lower circular ring, the outer wall of one side of the top of the lower circular ring is hinged with an upper circular ring through a hinge, and the outer wall of the top of the upper ring is rotationally connected with a first threaded rod, the outer wall of the bottom of the first threaded rod is stuck with a rubber pad, the outer walls of one ends of the upper ring and the lower ring are respectively provided with a fixed block, the two fixed blocks are rotationally connected with a same second threaded rod through threads, and the outer wall of the bottom of the sliding plate is provided with buffer springs distributed at equal intervals, and the outer wall of the bottom of each buffer spring is fixedly connected with the inner wall of the bottom of the mounting groove through bolts.

Preferably, the link is all installed to installation casing one side outer wall top and bottom, and link both ends outer wall rotates respectively and is connected with first fixed ring and second fixed ring, and first fixed ring and second fixed ring one side outer wall are pegged graft and are had same third threaded rod, and third threaded rod one end outer wall has the nut through threaded connection.

Preferably, the inner wall of the bottom of the mounting shell is provided with a rectangular groove, the inner wall of the top of the rectangular groove is provided with the fault positioning device body, the inner wall of one side of the top of the rectangular groove is provided with the processor, and the inner wall of the other side of the top of the rectangular groove is provided with the temperature sensor.

Preferably, the outer walls of the two ends of the mounting shell are inserted with radiating fins distributed at equal intervals.

Preferably, the outer wall of the bottom of the mounting shell is provided with openings distributed equidistantly, the inner wall of each opening is provided with a semiconductor refrigeration piece, and the outer wall of the bottom of each semiconductor refrigeration piece is provided with radiating fins distributed equidistantly.

Preferably, the waterproof shell is installed on the outer wall of the bottom of the installation shell, and the waterproof shell is located outside the radiating fins.

Preferably, dustproof housing is all installed to installation casing both sides outer wall, and dustproof housing one side bottom inner wall installs radiator fan, and the venthole that the equidistance distributes is all seted up to dustproof housing both sides outer wall, and the inlet port that the equidistance distributes is seted up to dustproof housing bottom outer wall.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with connecting rod, sliding tray, sliding plate and buffer spring, can reciprocate along with rocking of cable to reduced the cable and rocked the impact to the installation casing from top to bottom, improved the fixed stability of installation casing, the people of being convenient for use.

2. Through being provided with heat radiation fins, can dispel the heat to the fault locating device body, through being provided with semiconductor refrigeration piece and fin, further improved the radiating effect, and set up like this and avoided external air to get into, make the device possess damp-proofing and dustproof effect, improved life.

3. Embodiment 2 can protect heat radiation fins through being provided with dust proof housing, radiator fan, venthole and inlet port, avoids external dust to adhere to heat radiation fins's surface, has improved heat radiation fins's heat dissipation quality, is provided with radiator fan, has increased heat radiation fins surface air flow rate, has improved heat radiation fins heat dissipation rate, and the people of being convenient for use.

Drawings

Fig. 1 is a schematic view of a structure of a transmission and distribution network fault location device provided by the present invention;

fig. 2 is a schematic view of a sectional structure of an installation housing in embodiment 1 of the fault location device for a transmission and distribution network provided by the present invention;

fig. 3 is the utility model provides a transmission and distribution network fault positioning device's embodiment 2 installation casing sectional structure sketch map.

In the figure: 1 first fixed ring, 2 third threaded rod, 3 second fixed rings, 4 waterproof casings, 5 heat radiation fins, 6 buffer springs, 7 sliding plates, 8 sliding grooves, 9 installation casings, 10 connecting rods, 11 first threaded rods, 12 upper rings, 13 lower rings, 14 connecting frames, 15 semiconductor refrigeration pieces, 16 heat radiation fins, 18 dustproof casings, 19 heat radiation fans and 20 fault positioning device bodies.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-2, the fault location device for the transmission and distribution network comprises a mounting shell 9, mounting grooves are respectively arranged on two sides of the outer wall of the top of the mounting shell 9, and the inner walls of the two sides of the mounting groove are both provided with sliding grooves 8, the inner walls of the two sliding grooves 8 on one side are connected with a sliding plate 7 which is horizontally arranged in a sliding way, the outer wall of the top of the sliding plate 7 is provided with a connecting rod 10, and the outer wall of the top of the connecting rod 10 is provided with a lower circular ring 13, the outer wall of one side of the top of the lower circular ring 13 is hinged with an upper circular ring 12 through a hinge, and go up ring 12 top outer wall and rotate and be connected with first threaded rod 11, first threaded rod 11 bottom outer wall is pasted and is had the rubber pad, goes up

ring

12 and 13 one end outer wall of lower ring and all installs the fixed block, and two fixed blocks rotate through the screw thread and are connected with same second threaded rod, and sliding plate 7 bottom outer wall is installed the buffer spring 6 that the equidistance distributes, and the bottom outer wall of buffer spring 6 passes through bolt and mounting groove bottom inner wall fixed connection.

In the utility model, the top and the bottom of the outer wall of one side of the installation shell 9 are both provided with a connecting frame 14, the outer walls of the two ends of the connecting frame 14 are respectively and rotatably connected with a first fixed ring 1 and a second fixed ring 3, the outer walls of one side of the first fixed ring 1 and the second fixed ring 3 are inserted with a same third threaded rod 2, the outer wall of one end of the third threaded rod 2 is connected with a nut through a thread, the inner wall of the bottom of the installation shell 9 is provided with a rectangular groove, the inner wall of the top of the rectangular groove is provided with a fault positioning device body 20, the inner wall of one side of the top of the rectangular groove is provided with a processor, the inner wall of the other side of the top of the rectangular groove is provided with a temperature sensor, the outer walls of the two ends of the installation shell 9 are inserted with radiating fins 5 which are distributed equidistantly, the outer wall of the, the waterproof shell 4 is installed on the outer wall of the bottom of the installation shell 9, and the waterproof shell 4 is located outside the radiating fins 16.

The working principle is as follows: in the idle position of the device, all driving parts, namely power elements, electric devices and adaptive power supplies, are connected through leads, and specific connecting means refer to the following working principle that the electric devices are electrically connected in sequence.

The device passes through a telegraph pole through a first fixing ring 1 and a second fixing ring 3, then a mounting shell 9 is fixed on the telegraph pole through a third threaded rod 2 and a nut, then an upper ring 12 is opened, a cable passes through two lower rings 13, then the upper ring 12 is covered, the cable is stably fixed on the lower rings 13 by rotating a first threaded rod 11, the cable can move up and down along with the shaking of the cable through the arrangement of a connecting rod 10, a sliding groove 8, a sliding plate 7 and a buffer spring 6, so that the impact of the shaking of the cable on the mounting shell 9 from top to bottom is reduced, the stability of the fixing of the mounting shell 9 is improved, the device is convenient for people to use, the fault positioning device body 20 can be cooled through the arrangement of cooling fins 5, the cooling effect is further improved through the arrangement of a semiconductor cooling fin 15 and a cooling fin 16, and the arrangement avoids the entry of outside air, the device has the effects of moisture resistance and dust resistance.

Example 2

Referring to fig. 1 and 3, the power transmission and distribution network fault positioning device further comprises a dustproof shell 18 mounted on the outer walls of two sides of the mounting shell 9, a cooling fan 19 is mounted on the inner wall of the bottom of one side of the dustproof shell 18, air outlets distributed at equal intervals are formed in the outer walls of two sides of the dustproof shell 18, and air inlets distributed at equal intervals are formed in the outer wall of the bottom of the dustproof shell 18.

The working principle is as follows: compared with the embodiment 1, the heat dissipation fin 5 can be protected by arranging the dustproof shell 18, the heat dissipation fan 19, the air outlet and the air inlet, external dust is prevented from being attached to the surface of the heat dissipation fin 5, the heat dissipation quality of the heat dissipation fin 5 is improved, the air flow rate on the surface of the heat dissipation fin 5 is increased by arranging the heat dissipation fan 19, the heat dissipation rate of the heat dissipation fin 5 is improved, and the use by people is facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The power transmission and distribution network fault positioning device comprises an installation shell (9) and is characterized in that installation grooves are formed in two sides of the outer wall of the top of the installation shell (9), sliding grooves (8) are formed in the inner walls of two sides of the installation grooves, the inner walls of the two sliding grooves (8) on one side are connected with a sliding plate (7) horizontally arranged in a sliding mode, a connecting rod (10) is installed on the outer wall of the top of the sliding plate (7), a lower ring (13) is installed on the outer wall of the top of the connecting rod (10), an upper ring (12) is hinged to the outer wall of one side of the top of the lower ring (13) through a hinge, a first threaded rod (11) is rotatably connected to the outer wall of the top of the upper ring (12), a rubber pad is pasted to the outer wall of the bottom of the first threaded rod (11), fixed blocks are installed on, the outer wall of the bottom of the sliding plate (7) is provided with buffer springs (6) which are distributed equidistantly, and the outer wall of the bottom of each buffer spring (6) is fixedly connected with the inner wall of the bottom of the mounting groove through bolts.

2. The transmission and distribution network fault locating device according to claim 1, characterized in that a connecting frame (14) is installed at the top and the bottom of the outer wall of one side of the installation shell (9), the outer walls of the two ends of the connecting frame (14) are respectively and rotatably connected with a first fixed ring (1) and a second fixed ring (3), the outer walls of one sides of the first fixed ring (1) and the second fixed ring (3) are inserted with a same third threaded rod (2), and the outer wall of one end of the third threaded rod (2) is connected with a nut through threads.

3. The transmission and distribution network fault location device of claim 1, wherein the inner wall of the bottom of the mounting shell (9) is provided with a rectangular groove, the inner wall of the top of the rectangular groove is provided with the fault location device body (20), the inner wall of one side of the top of the rectangular groove is provided with a processor, and the inner wall of the other side of the top of the rectangular groove is provided with a temperature sensor.

4. The transmission and distribution network fault locating device of claim 1, characterized in that the outer walls of the two ends of the installation shell (9) are inserted with radiating fins (5) distributed at equal intervals.

5. The fault location device for the transmission and distribution network according to claim 1, wherein the outer wall of the bottom of the mounting shell (9) is provided with openings distributed equidistantly, the inner wall of each opening is provided with a semiconductor refrigeration piece (15), and the outer wall of the bottom of each semiconductor refrigeration piece (15) is provided with cooling fins (16) distributed equidistantly.

6. The transmission and distribution network fault location device of claim 1, characterized in that the waterproof housing (4) is mounted on the outer wall of the bottom of the mounting housing (9), and the waterproof housing (4) is located outside the heat sink (16).

7. The fault location device for the transmission and distribution network according to claim 1, wherein the outer walls of both sides of the installation shell (9) are provided with dustproof shells (18), the inner wall of the bottom of one side of each dustproof shell (18) is provided with a heat dissipation fan (19), the outer walls of both sides of each dustproof shell (18) are provided with air outlets distributed at equal intervals, and the outer wall of the bottom of each dustproof shell (18) is provided with air inlets distributed at equal intervals.