CN212723173U

CN212723173U - Distribution network line loss abnormity positioning device

Info

Publication number: CN212723173U
Application number: CN202021083804.XU
Authority: CN
Inventors: 喻加兵; 喻佳珍
Original assignee: Hefei Xiaoxiao Zuowei Information Technology Co ltd
Current assignee: Hefei Xiaoxiao Zuowei Information Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-16
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a join in marriage abnormal positioner of net twine loss, including the batch meter, inside electric energy meter, collector and a plurality of current-voltage collection system of being provided with of batch meter, current-voltage collection system includes the locking ring, the bottom fixedly connected with slide of locking ring, the one side fixedly connected with slider of slide and the contact of batch meter inner wall, the batch meter inner wall seted up with slider assorted spout, it is connected with the lead screw to rotate between the spout both ends, the slider meshing cup joints on the lead screw surface, the worm wheel has been cup jointed to the one end of lead screw, worm wheel one side meshing is provided with the worm. The utility model discloses a be equipped with mobilizable locking ring, be favorable to making current-voltage collection system go on fixedly to the cable according to the distribution of cable to make current-voltage transformer normal work, thereby effectually detect joining in marriage net line loss, reduce line loss detection error, improve the device's accommodation.

Description

Distribution network line loss abnormity positioning device

Technical Field

The utility model relates to a join in marriage net twine and decrease detection technology field, in particular to join in marriage net twine and decrease unusual positioner.

Background

The line loss is the inevitable loss generated in the transmission process of electric energy, the size of line loss electric quantity and the height of line loss rate directly reflect the planning design, production technology and operation management level of power supply enterprises, and the line loss is a comprehensive evaluation index of a power grid. The power supply amount of the urban power grid is large, and the line loss electric quantity directly affects the profit of enterprises. Therefore, the power company insists on the repeated resource development and saving, puts energy conservation and consumption reduction at the head, and promotes the construction of resource-saving and environment-friendly society; the energy-saving and loss-reducing management work is enhanced by means of technological progress, an effective energy-saving and loss-reducing management and assessment mechanism is formed, and a perfect energy-saving and loss-reducing management system is established. The power grid line loss is composed of technical line loss and management line loss, wherein the technical line loss is closely related to power grid equipment, a structure, an operation mode and the like. The power supply company calculates technical parameters and theoretical line loss of distribution network equipment as a basis, refers to advanced operation experience of international metropolis, combines the characteristics of urban distribution network loads, and achieves good effects of reducing the technical line loss of the urban power grid and improving the power supply quality level by reforming station power consumption, thoroughly eliminating high-consumption transformers, optimizing distribution network reactive power configuration, stopping no-load or light-load transformers, shortening the power supply radius of the power grid and other technical measures.

However, in the process of locating the distribution network line loss, the metering box is installed on the distribution network, and the voltage and current transformers in the metering box are used for detecting the electric energy of the cables, so that the line loss is calculated.

Therefore, it is necessary to provide a distribution network line loss abnormality positioning device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a join in marriage unusual positioner of net twine loss through being equipped with mobilizable locking ring, is favorable to making current-voltage collection system go on according to the distribution of cable fixed to the cable to make current-voltage transformer normally work, thereby effectually detect joining in marriage net twine loss, reduce the line loss and detect the error, improve the device's accommodation, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a distribution network line loss abnormity positioning device comprises a metering box, wherein an electric energy meter, a collector and a plurality of current and voltage acquisition devices are arranged in the metering box, each current and voltage acquisition device comprises a locking ring, the locking ring is formed by evenly dividing a circular ring into two parts and is fixed by bolts, a plurality of loop bars are arranged in the locking ring, one ends of the loop bars are movably inserted with slide bars, the surfaces of the slide bars are sleeved with first springs, one ends of the slide bars, which are positioned outside the loop bars, are fixedly connected with press balls, the top of the locking ring is provided with a current and voltage mutual inductor, the current and voltage mutual inductor is electrically connected with the electric energy meter, the surfaces of the current and voltage mutual inductor are sleeved with a limiting disc, a T-shaped rod is inserted between the limiting disc and the locking ring in a sliding manner, the surfaces of the T-shaped rods are sleeved with second springs, the one side fixedly connected with slider of slide and batch meter inner wall contact, the batch meter inner wall seted up with slider assorted spout, it is connected with the lead screw to rotate between the spout both ends, the slider meshing cup joints on the lead screw surface, the fixed worm wheel that has cup jointed of one end of lead screw, the meshing of worm wheel one side is provided with the worm.

Preferably, the number of the current and voltage acquisition devices is equal to that of the cables to be measured, and the current and voltage acquisition devices are arranged in parallel.

Preferably, the number of the loop bars is four, and an included angle between every two adjacent loop bars is 90 degrees.

Preferably, the elastic coefficients of the four first springs are equal and greater than the elastic coefficient of the second spring.

Preferably, the current and voltage acquisition devices are arranged in a staggered manner, and the distance between every two adjacent current and voltage acquisition devices is equal.

The utility model discloses a technological effect and advantage:

1. this practical information is favorable to making current-voltage acquisition device go on fixedly to the cable according to the distribution of cable through being equipped with mobilizable locking ring to make current-voltage transformer normal work, thereby effectually detect joining in marriage net line loss, reduce line loss detection error, improve the device's accommodation.

2. The utility model discloses a be equipped with the pressure ball, be favorable to compressing tightly the cable through the pressure ball, prevent that the cable is not hard up, lead to current-voltage transformer monitoring error to improve the accuracy of line loss monitoring, be convenient for fast to the line loss position.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the structure of the part a in fig. 2 according to the present invention;

fig. 4 is a schematic structural view of a portion B in fig. 1 according to the present invention;

fig. 5 is a schematic structural view of the part C in fig. 1 according to the present invention.

In the figure: 1. a batch tank; 2. an electric energy meter; 3. a collector; 4. a current and voltage acquisition device; 5. locking a ring; 6. a loop bar; 7. a slide bar; 8. a first spring; 9. pressing the ball; 10. a current-voltage transformer; 11. a limiting disc; 12. a T-shaped rod; 13. a second spring; 14. a slide plate; 15. a slider; 16. a chute; 17. a screw rod; 18. a worm gear; 19. a worm.

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.

The utility model provides a distribution network line loss abnormal positioning device as shown in figures 1-5, which comprises a metering box 1, wherein an electric energy meter 2, a collector 3 and a plurality of current and voltage collecting devices 4 are arranged inside the metering box 1, the current and voltage collecting devices 4 comprise a locking ring 5, the locking ring 5 is a circular ring which is averagely divided into two parts and fixed by bolts, a plurality of loop bars 6 are arranged inside the locking ring 5, a slide bar 7 is movably inserted at one end of each loop bar 6, a first spring 8 is sleeved on the surface of each slide bar 7, a press ball 9 is fixedly connected at one end of each slide bar 7 which is positioned outside each loop bar 6, the cables are favorably compressed by the press balls 9 by arranging the press balls 9, the cables are prevented from loosening, the monitoring error of a current and voltage mutual inductor 10 is caused, the accuracy of line loss monitoring is improved, the quick line loss point position is convenient, the top of the locking ring 5 is provided with the current, the current-voltage transformer 10 is electrically connected with the electric energy meter 2, the surface of the current-voltage transformer 10 is sleeved with a limiting disc 11, the current-voltage transformer 10 is beneficial to being always in contact with a monitored cable by arranging the limiting disc 11 and a second spring 13, a T-shaped rod 12 is inserted between the limiting disc 11 and a locking ring 5 in a sliding manner, the surface of the T-shaped rod 12 is sleeved with the second spring 13, the bottom of the locking ring 5 is fixedly connected with a sliding plate 14, one surface of the sliding plate 14, which is in contact with the inner wall of the metering box 1, is fixedly connected with a sliding block 15, the inner wall of the metering box 1 is provided with a sliding groove 16 matched with the sliding block 15, a lead screw 17 is rotatably connected between two ends of the sliding groove 16, the sliding block 15 is meshed and sleeved on the surface of the lead screw 17, one end of the lead screw 17 is fixedly sleeved, the current and voltage acquisition device 4 is favorable for fixing the cables according to the distribution of the cables, so that the current and voltage transformer 10 works normally, the distribution network line loss is effectively detected, the line loss detection error is reduced, and the application range of the device is widened.

Further, in the above technical solution, the number of the current and voltage collecting devices 4 is equal to the number of the cables to be measured, and the current and voltage collecting devices 4 are arranged in parallel, which is beneficial to preventing the current and voltage collecting devices 4 from being collided and stuck;

further, in the above technical scheme, the number of the loop bars 6 is four, and an included angle between two adjacent loop bars 6 is 90 degrees, so that uniform stress of the cable is facilitated, and the cable is convenient to fix;

furthermore, in the above technical solution, the elastic coefficients of the four first springs 8 are equal to each other and greater than the elastic coefficient of the second spring 13, so as to prevent the current-voltage transformer 10 from being separated from the cable;

further, in the above technical solution, the plurality of current and voltage collecting devices 4 are arranged in a staggered manner, and the distance between two adjacent current and voltage collecting devices 4 is equal.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when a current-voltage transformer 10 inside a metering box 1 detects the line loss of a cable, a locking ring 5 is opened, the cable is wound around, two halves of the locking ring 5 are fixed by using bolts, the cable is fixed between the locking rings 5, the current-voltage transformer 10 is in contact with the detected cable, the cable is tightly pressed by a pressing ball 9 to prevent the cable from loosening, and the monitoring error of the current-voltage transformer 10 is caused, the current-voltage transformer 10 transmits detected data to an electric energy meter 2 to calculate the line loss, when a meter is installed on a distribution network with unevenly distributed cables, an adjusting worm 19 is received according to the position of the cable, the worm 19 drives a worm wheel 18 to rotate, so that a lead screw 17 rotates, at the moment, a slide block 15 moves on the surface of the lead screw 17 under the limitation of a sliding chute 16, so that the slide block 14 drives the locking ring 5 to move to the position, therefore, the locking ring 5 is used for fixing the cable, the current-voltage transformer 10 works normally, the distribution network line loss is effectively detected, the line loss detection error is reduced, and the application range of the device is widened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a join in marriage unusual positioner of net line loss, includes batch meter (1), its characterized in that: the metering box (1) is internally provided with an electric energy meter (2), a collector (3) and a plurality of current and voltage acquisition devices (4), each current and voltage acquisition device (4) comprises a locking ring (5), each locking ring (5) is divided into two parts on average and fixed by a bolt, a plurality of loop bars (6) are arranged inside each locking ring (5), one ends of the loop bars (6) are movably inserted with sliding rods (7), the surfaces of the sliding rods (7) are sleeved with first springs (8), one ends of the sliding rods (7) which are positioned outside the loop bars (6) are fixedly connected with press balls (9), the top of each locking ring (5) is provided with a current and voltage transformer (10), the current and voltage transformer (10) is electrically connected with the electric energy meter (2), the surfaces of the current and voltage transformers (10) are sleeved with a limiting disc (11), and T-shaped rods (12) are inserted between the limiting discs (11) and the locking rings (5) in a sliding manner, t shape pole (12) surface has cup jointed second spring (13), bottom fixedly connected with slide (14) of locking ring (5), one side fixedly connected with slider (15) of slide (14) and batch meter (1) inner wall contact, batch meter (1) inner wall seted up with slider (15) assorted spout (16), it is connected with lead screw (17) to rotate between spout (16) both ends, slider (15) meshing cup joints on lead screw (17) surface, worm wheel (18) have been cup jointed to the one end of lead screw (17), worm wheel (18) one side meshing is provided with worm (19).

2. The distribution network line loss abnormal positioning device of claim 1, wherein: the number of the current and voltage acquisition devices (4) is equal to that of the cables to be measured, and the current and voltage acquisition devices (4) are arranged in parallel.

3. The distribution network line loss abnormal positioning device of claim 1, wherein: the number of loop bars (6) is four, and two adjacent included angles between loop bars (6) are 90 degrees.

4. The distribution network line loss abnormal positioning device of claim 1, wherein: the elastic coefficients of the four first springs (8) are equal and are larger than the elastic coefficient of the second spring (13).

5. The distribution network line loss abnormal positioning device of claim 1, wherein: the current and voltage acquisition devices (4) are arranged in a staggered mode, and the distance between every two adjacent current and voltage acquisition devices (4) is equal.