CN218122112U

CN218122112U - Distributed line loss monitoring device for ring main unit

Info

Publication number: CN218122112U
Application number: CN202220750935.1U
Authority: CN
Inventors: 孟凡斌; 郑罡; 南钰; 秦泽华; 孔真真
Original assignee: Kaifeng Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Kaifeng Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-12-23
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a distributed line loss monitoring device for a ring main unit, which comprises a vertical plate, a clamping component and a transmission component; standing the plate: the two vertical plates are arranged in parallel, the fixing plate is symmetrically arranged between the two vertical plates, the middle part of the fixing plate is longitudinally provided with threading holes in an array mode, the upper end between the two vertical plates is provided with a driving assembly, the driving assembly comprises a lead screw motor, an installation block and a linear motor, and the lead screw motor is arranged on the right side face of the vertical plate on the right side; a clamping assembly: the wire is slidably connected to the inside of the threading hole; the transmission assembly is as follows: the current detector is arranged on the front side surface of the driving component, and the middle part of the transmission component is provided with a current detector; wherein: still include the singlechip, the singlechip sets up in the riser right flank on right side, and external power source is connected to the input electricity of singlechip, and the input of singlechip is connected to current detector's output electricity, and this a distributed line loss monitoring devices for looped netowrk cabinet can detect the cable automatically, reduces manual operation, and the practicality is strong.

Description

Distributed line loss monitoring device for ring main unit

Technical Field

The utility model relates to a line loss monitoring technology field specifically is a distributed line loss monitoring devices for looped netowrk cabinet.

Background

With the increasingly deepening of the innovation of the power system, a power grid company continuously develops line voltage division statistics and line loss to the home statistics, and higher requirements are put forward for fine line loss management; in the process of managing the electric quantity loss of the low-voltage transformer area, when the electric quantity loss of the low-voltage transformer area is higher, troubleshooting of fault points or electricity stealing points needs to be carried out on site; however, the existing power distribution structure of the power grid is very complex, power supply modes are various, current of each phase is unbalanced, the charge distribution along the power grid is not strict, the problem that the line loss of the power grid needs to be accurately calculated has certain complexity, meanwhile, the line loss is also needed to be accurately checked after theoretical line loss is accurately calculated, and a more effective technical means is urgently needed to solve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a distributed line loss monitoring devices for looped netowrk cabinet, can detect the cable automatically, reduce manual operation, the practicality is strong, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a distributed line loss monitoring device for a ring main unit comprises a vertical plate, a clamping assembly and a transmission assembly;

standing the plate: two vertical plates are arranged in parallel, a fixing plate is symmetrically arranged between the two vertical plates, threading holes are longitudinally arranged in the middle of the fixing plate in an array mode, and a driving assembly is arranged at the upper end between the two vertical plates;

a clamping assembly: the wire is slidably connected to the inside of the threading hole;

the transmission assembly is as follows: the current detector is arranged on the front side surface of the driving component, and the middle part of the transmission component is provided with a current detector;

wherein: still include the singlechip, the singlechip sets up in the riser right flank on right side, and external power source is connected to the input electricity of singlechip, and the input of singlechip is connected to current detector's output electricity, novel structure, and reasonable in design can detect the cable automatically, reduces manual operation, and the practicality is strong.

Further, drive assembly includes lead screw motor, installation piece and linear electric motor, the lead screw motor sets up in the riser right flank on right side, and the output shaft of lead screw motor rotates with the upper end of two risers respectively and is connected, and the output shaft middle part threaded connection of lead screw motor has the installation piece, and the leading flank of installation piece is equipped with linear electric motor, and linear electric motor's active cell seat leading flank is equipped with drive assembly, and the output of singlechip is connected to the equal electricity of input of lead screw motor and linear electric motor, adjusts current detector's position, monitors different cable current.

Furthermore, the inside sliding connection in upper end of installation piece has the gag lever post, and the both ends of gag lever post are respectively with the relative medial surface fixed connection of two risers, avoid the installation piece to rotate.

Further, transmission assembly includes connecting plate, arc and linkage plate, the connecting plate sets up in linear electric motor's active cell seat leading flank, and the lower extreme of connecting plate rotates through the round pin axle and is connected with the arc, and two adjacent arcs cooperate the setting, and the extrados upper end of arc all is equipped with the linkage plate, two magnetic cores of current detector respectively with adjacent arc inner arc fixed connection, the current detector of being convenient for wraps up the cable.

Further, the transmission assembly still includes cylinder, biax lead screw motor and fixed block, the fixed block sets up respectively in the relative lateral surface of two adjacent linkage plates, and equal sliding connection has the cylinder in the inside cross spout that sets up of fixed block, biax lead screw motor sets up in the middle part lower surface of connecting plate, biax lead screw motor's output shaft pass the rectangular hole at linkage plate middle part respectively and with cylinder cambered surface middle part threaded connection, the output of singlechip is connected to biax lead screw motor's input electricity, and the drive arc is rotatory.

Further, the centre gripping subassembly includes lower plate, punch holder and double-screw bolt, lower plate and punch holder symmetry sliding connection respectively in the ring channel inner wall that the through wires downthehole cambered surface set up, vertical adjacent lower plate and punch holder set up relatively, double-screw bolt array threaded connection is inside the upper end of fixed plate, and the lower extreme of double-screw bolt rotates with adjacent punch holder upper end respectively to be connected, and is fixed to the cable centre gripping.

Further, the centre gripping subassembly still includes the spring, the spring sets up respectively in the lower extreme of fixed plate inside, the top of spring respectively with vertical adjacent lower plate extrados lower extreme fixed connection, play elastic buffer's effect, be applicable to the cable centre gripping of different thicknesses fixed.

Compared with the prior art, the beneficial effects of the utility model are that: this a distributed line loss monitoring devices for looped netowrk cabinet has following benefit:

the double-screw bolt is rotated, the double-screw bolt moves downwards relative to the fixed plate, the double-screw bolt drives the upper clamp plate to move downwards, the lower clamp plate and the upper clamp plate are matched to extrude and fix a cable, the single chip microcomputer sends pulses of specified quantity to the screw rod motor, the output shaft of the screw rod motor drives the installation block to move for a specified distance, so that the current detector is positioned above the cable to be detected, then the linear motor is started through the single chip microcomputer, the rotor base of the linear motor drives the connecting plate to move downwards, the connecting plate drives the current detector to move downwards through the arc plate, the double-shaft screw rod motor is started through the single chip microcomputer, the output shaft of the double-shaft screw rod motor drives the two cylinders to move backwards, the cylinders drive the upper ends of the two linkage plates to be away from each other, so that the arc plate rotates along the rotating shaft at the upper ends of the arc plate, the arc plate drives the two magnetic cores of the current detector to rotate and close, the cable is wrapped, the current detector detects the current inside the cable, and the distributed line loss monitoring device for the cabinet is novel in structure and reasonable design, and can automatically detect the cable, manual operation is reduced, and strong in practicability.

Drawings

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

fig. 2 is an enlarged schematic view of the a position of the present invention.

In the figure: the device comprises a vertical plate 1, a fixing plate 2, a single chip microcomputer 3, a clamping assembly 4, a lower clamping plate 41, an upper clamping plate 42, a stud 43, a spring 44, a driving assembly 5, a screw motor 51, a mounting block 52, a limiting rod 53, a linear motor 54, a transmission assembly 6, a connecting plate 61, an arc plate 62, a linkage plate 63, a cylinder 64, a double-shaft screw motor 65, a fixing block 66, a current detector 7 and a threading hole 8.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a distributed line loss monitoring device for a ring main unit comprises a vertical plate 1, a clamping assembly 4 and a transmission assembly 6;

a vertical plate 1: there are two and parallel arrangement, fixed plate 2 is symmetrically arranged between two risers 1, the equal longitudinal array in middle part of fixed plate 2 is equipped with through wires hole 8, upper end is equipped with drive assembly 5 between two risers 1, drive assembly 5 includes lead screw motor 51, installation piece 52 and linear electric motor 53, lead screw motor 51 sets up in the riser 1 right flank on right side, the output shaft of lead screw motor 51 rotates with the upper end of two risers 1 respectively and is connected, the output shaft middle part threaded connection of lead screw motor 51 has installation piece 52, the front side of installation piece 52 is equipped with linear electric motor 53, the active cell seat front side of linear electric motor 53 is equipped with drive assembly 6, the equal electricity of input of lead screw motor 51 and linear electric motor 53 connects the output of singlechip 3, singlechip 3 sends appointed quantity's pulse to lead screw motor 51, the output shaft of lead screw motor 51 drives installation piece 52 and moves appointed distance and makes current detector 7 be located the cable top of waiting to detect, adjust the position of current detector 7, monitor different cable currents, the inside sliding connection in upper end of installation piece 52 has gag lever 54, the both ends of gag lever 54 respectively with the relative medial surface fixed connection of two risers 1, avoid installation piece 52 to rotate.

Wherein: still include singlechip 3, singlechip 3 sets up in the 1 right flank of riser on right side, and external power source is connected to singlechip 3's input electricity, and singlechip 3's input is connected to current detector 7's output electricity.

The clamping component 4: sliding connection is in the inside of through wires hole 8, centre gripping subassembly 4 includes lower plate 41, punch holder 42 and double-screw bolt 43, lower plate 41 and punch holder 42 symmetry sliding connection respectively are in the ring channel inner wall that the interior cambered surface of through wires hole 8 set up, vertical adjacent lower plate 41 and punch holder 42 set up relatively, double-screw bolt 43 array threaded connection is inside the upper end of fixed plate 2, the lower extreme of double-screw bolt 43 rotates with adjacent punch holder 42 upper end respectively and is connected, rotatory double-screw bolt 43, double-screw bolt 43 moves down relative to fixed plate 2, double-screw bolt 43 drives punch holder 42 and moves down, lower plate 41 and punch holder 42 cooperation are fixed to the cable, centre gripping subassembly 4 still includes spring 44, spring 44 sets up respectively inside the lower extreme of fixed plate 2, the top of spring 44 respectively with vertical adjacent lower plate 41 outer cambered surface lower extreme fixed connection, spring 44 plays the effect of elastic buffer, make lower plate 41 can paste the outer cambered surface of tight cable all the time, cushion the pressure of punch holder 42 to the cable simultaneously again, be applicable to the thickness cable centre gripping is fixed.

The transmission assembly 6: set up in the leading flank of drive assembly 5, the middle part of drive assembly 6 is equipped with current detector 7, drive assembly 6 includes connecting plate 61, arc 62 and linkage board 63, connecting plate 61 sets up in linear electric motor 53's active cell seat leading flank, the lower extreme of connecting plate 61 is connected with arc 62 through the round pin axle rotation, two adjacent arcs 62 cooperate the setting, arc 62's extrados upper end all is equipped with linkage board 63, two magnetic cores of current detector 7 respectively with adjacent arc 62 inner arc fixed connection, be convenient for current detector 7 to the cable parcel, drive assembly 6 still includes cylinder 64, biax lead screw motor 65 and fixed block 66, fixed block 66 sets up respectively in two adjacent relative lateral surfaces of arc 63, equal sliding connection has cylinder 64 in the cross spout that fixed block 66 inside set up, biax lead screw motor 65 sets up in the middle part lower surface of connecting plate 61, the output shaft of biax lead screw motor 65 passes the rectangular hole in linkage board 63 middle part and with cylinder 64 middle part threaded connection respectively, the input electricity of biax lead screw motor 65 connects the output end of 3, drive arc 62 rotatory single chip microcomputer 53, linear electric motor 53 starts linear electric motor 53 through single chip microcomputer 3, linear electric motor 53, the connection board 61 drives the rotary motion of rotor 7 drives the rotary axis lead screw motor upper end of two arc 62, thereby the rotary motion of rotary electric motor, the rotary motion of cylinder lead screw drives the magnetic core of arc 62, thereby two arc 7.

The utility model provides a pair of a distributed line loss monitoring devices for looped netowrk cabinet's theory of operation as follows:

the integral body formed by the vertical plate 1 and the fixed plate 2 is fixedly connected to the inner wall of the ring main unit, a cable penetrates through a longitudinally corresponding threading hole 8, the stud 43 is rotated, the stud 43 moves downwards relative to the fixed plate 2, the stud 43 drives the upper clamping plate 42 to move downwards, the lower clamping plate 41 and the upper clamping plate 42 are matched to extrude and fix the cable, the single chip microcomputer 3 sends a specified number of pulses to the lead screw motor 51, an output shaft of the lead screw motor 51 drives the mounting block 52 to move a specified distance, so that the current detector 7 is positioned above the cable to be detected, then the linear motor 53 is started through the single chip microcomputer 3, a rotor base of the linear motor 53 drives the connecting plate 61 to move downwards, the connecting plate 61 drives the current detector 7 to move downwards through the arc plate 62, the double shaft lead screw motor 65 is started through the single chip microcomputer 3, an output shaft of the double shaft lead screw motor 65 drives the two cylinders 64 to move backwards, the cylinders 64 drive the upper ends of the two plates 63 to be away from each other, so that the arc plate 62 rotates along a rotating shaft at the upper ends of the arc plate 62, the two arc plates 62 drive the two current detectors of the current detector 7 to rotate and close, so that the cable to coat the current inside the single chip microcomputer cable, whether the cable core 3 is damaged cable, and the current of the cable is reduced, and the current of the cable is detected, and the cable core, and the cable is detected, and the damaged cable, and the current of the cable is judged according to the damaged cable.

It should be noted that the current detector 7, the lead screw motor 51, the linear motor 53 and the dual-axis lead screw motor 65 disclosed in the above embodiments can be freely configured according to practical application scenarios, the lead screw motor 51 is proposed to be a 42-series lead screw stepping motor, the linear motor 53 can be a DS 4/6-series linear motor, and the single chip microcomputer 3 controls the current detector 7, the lead screw motor 51, the linear motor 53 and the dual-axis lead screw motor 65 to work by a method commonly used in the prior art.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. The utility model provides a distributed line loss monitoring devices for looped netowrk cabinet which characterized in that: comprises a vertical plate (1), a clamping component (4) and a transmission component (6);

riser (1): two vertical plates (1) are arranged in parallel, a fixing plate (2) is symmetrically arranged between the two vertical plates (1), threading holes (8) are longitudinally arranged in the middle of the fixing plate (2), and a driving assembly (5) is arranged at the upper end between the two vertical plates (1);

clamping assembly (4): is slidably connected with the inside of the threading hole (8);

transmission assembly (6): the current detector (7) is arranged on the front side surface of the driving component (5) and the middle part of the transmission component (6);

wherein: still include singlechip (3), singlechip (3) set up in riser (1) right flank on right side, and external power source is connected to the input electricity of singlechip (3), and the input of singlechip (3) is connected to the output electricity of current detector (7).

2. The distributed line loss monitoring device for the ring main unit according to claim 1, wherein: drive assembly (5) include lead screw motor (51), installation piece (52) and linear electric motor (53), lead screw motor (51) set up in riser (1) right flank on right side, the output shaft of lead screw motor (51) rotates with the upper end of two risers (1) respectively and is connected, the output shaft middle part threaded connection of lead screw motor (51) has installation piece (52), the leading flank of installation piece (52) is equipped with linear electric motor (53), the active cell seat leading flank of linear electric motor (53) is equipped with drive assembly (6), the equal electricity of input of lead screw motor (51) and linear electric motor (53) connects the output of singlechip (3).

3. The distributed line loss monitoring device for the ring main unit according to claim 2, wherein: the inner part of the upper end of the mounting block (52) is connected with a limiting rod (54) in a sliding mode, and two ends of the limiting rod (54) are fixedly connected with the opposite inner side faces of the two vertical plates (1) respectively.

4. The distributed line loss monitoring device for the ring main unit according to claim 2, wherein: transmission unit (6) are including connecting plate (61), arc (62) and linkage plate (63), connecting plate (61) set up in linear electric motor's (53) active cell seat leading flank, and the lower extreme of connecting plate (61) rotates through the round pin axle and is connected with arc (62), and two adjacent arcs (62) cooperation set up, and the extrados upper end of arc (62) all is equipped with linkage plate (63), two magnetic cores of current detector (7) respectively with adjacent arc (62) intrados fixed connection.

5. The distributed line loss monitoring device for the ring main unit according to claim 4, wherein: transmission unit (6) still include cylinder (64), biax lead screw motor (65) and fixed block (66), fixed block (66) set up respectively in two adjacent linkage board (63) relative lateral surfaces, and equal sliding connection has cylinder (64) in the cross spout of fixed block (66) inside setting, biax lead screw motor (65) set up in the middle part lower surface of connecting plate (61), the output shaft of biax lead screw motor (65) pass respectively linkage board (63) middle part the rectangular hole and with cylinder (64) cambered surface middle part threaded connection, the output of singlechip (3) is connected to the input electricity of biax lead screw motor (65).

6. The distributed line loss monitoring device for the ring main unit according to claim 1, wherein: centre gripping subassembly (4) include lower plate (41), punch holder (42) and double-screw bolt (43), lower plate (41) and punch holder (42) symmetry sliding connection respectively in the ring channel inner wall that through wires hole (8) intrados set up, vertical adjacent lower plate (41) and punch holder (42) set up relatively, double-screw bolt (43) array threaded connection is inside the upper end of fixed plate (2), and the lower extreme of double-screw bolt (43) is connected with adjacent punch holder (42) upper end rotation respectively.

7. The distributed line loss monitoring device for the ring main unit according to claim 6, wherein: the clamping assembly (4) further comprises springs (44), the springs (44) are arranged inside the lower end of the fixing plate (2) respectively, and the top ends of the springs (44) are fixedly connected with the lower end of the outer arc face of the vertically adjacent lower clamping plate (41) respectively.