CN212905051U

CN212905051U - Power distribution network gridding power quality event tracing system

Info

Publication number: CN212905051U
Application number: CN202022277474.4U
Authority: CN
Inventors: 苏春喜; 董宸; 吴兴扬
Original assignee: Nanjing Dongbo Intelligent Energy Research Institute Co ltd
Current assignee: Jiangsu Dongwei Power Technology Co.,Ltd.
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-04-06
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a distribution network meshing electric energy quality incident traceability system relates to distribution network electric energy quality analysis's technical field, aims at solving prior art, and turned angle can not fix a position the position problem of conveniently observing between electric energy quality detection device's box and case lid. Its technical scheme main points are provided with one end in the box and articulate with the panel, the other end is the bracing piece of free end, the case lid inboard is provided with bracing piece free end plug complex slot, the free end of bracing piece is connected with the stay cord, the stay cord is kept away from the one end of bracing piece and can be dismantled with the case lid and be connected. The utility model discloses the pivoted position of fixed case lid for the box has been reached to the effect of file pocket on display screen and the case lid on the box is observed simultaneously to the convenience.

Description

Power distribution network gridding power quality event tracing system

Technical Field

The utility model belongs to the technical field of distribution network power quality analysis's technique and specifically relates to a distribution network meshing power quality incident traceability system is related to.

Background

Along with the development of energy internet, the degree of interaction of distribution network terminal services increases, the operation of a distribution network is more complicated, and the problem of distribution network electric energy quality is increasingly severe: terminal equipment is gradually increased, and problems of power equipment occur frequently; the electric automobile charging and discharging increases the power grid harmonic wave, and the power grid tide uncertainty brought by the distributed new energy access makes the power quality problem worsen more. The power quality problem of the power distribution network becomes one of the bottlenecks influencing the development of the intelligent power distribution network, the power quality problem perception capability of the power distribution network is urgently needed to be improved, the source tracing and the treatment are carried out on the power quality event, the power supply quality of the power distribution network is improved, and the method has important significance.

The electric energy quality event tracing technology needs to classify the attributes of all indexes from dimensions such as time, frequency, electrical representation and the like, and refine key electrical characteristic quantities; then analyzing the incidence relation between the static cause, the dynamic cause and the electrical characteristic quantity of the power quality event of the power distribution network grid; the mapping relation of multisource cause attributes, electrical characteristic quantities and key indexes of grid power quality events of the typical power distribution network is established by analyzing the electrical characteristics of the grid power quality events, and the mapping characteristics reflecting the multisource cause attributes and the key indexes of the grid power quality events of the typical power distribution network are mined. And finally, determining an electrical characteristic quantity threshold value capable of reflecting an expected power quality event, and accurately positioning a disturbance source of the power distribution network grid power quality event according to a key cause analysis result influencing the electrical characteristic quantity so as to trace the source of the power distribution network grid power quality event. The electric energy quality time tracing technology is applied to collecting electric energy quality data according to actual needs, and key causes can be analyzed based on the collected data.

The prior Chinese patent with the application number of CN201820661126.7 discloses a power quality detection device, which comprises a box body, a box cover is arranged above the box body, a file bag is arranged on the inner wall of the box cover, a panel is arranged above the box body, a control switch is arranged on the panel, a main switch is arranged behind the control switch, a data interface is arranged on the left side of the main switch, a display screen is arranged in front of the data interface, a circuit board is arranged in the box body, an information processor, a signal conditioner, a voltage sensor and a current sensor are arranged on the circuit board, and a filter is arranged below the circuit board, a data memory is arranged below the filter, the storage battery is arranged in front of the data storage device, the control switch is qualitatively connected with the storage battery, the display screen, the filter and the information processor respectively, and the main switch is electrically connected with the control switch and an external power supply respectively. When the user is detecting, can place the standard electric power quality monitoring table in being equipped with the file bag, the convenience of customers goes on and compares with current detection numerical value.

The above prior art solutions have the following drawbacks: in the testing process, need observe the detection numerical value on the display screen and compare with the power quality monitoring table of placing in the file bag, but above-mentioned technical characteristic does not set up the device of location between case lid and the box, prescribes a limit to the turned angle between the two, leads to the case lid to be in the state that the lid closed state and contact ground when in-service use, and display screen and power quality detection table are observed to inconvenient simultaneously all, and this problem remains to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a distribution network meshing electric energy quality incident traceability system, it has the rotational position of fixed case lid for the box to the effect of file pocket on display screen and the case lid on the convenient simultaneous observation box.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a distribution network meshing electric energy quality incident traceability system, includes the box and articulates in the case lid of box top one side, the box top is provided with the panel, be provided with the display screen that is used for showing measured data on the panel, the case lid inboard is provided with the file pocket, be provided with the bracing piece that one end is articulated, the other end is the free end with the panel in the box, the case lid inboard is provided with bracing piece free end plug complex slot, the free end of bracing piece is connected with the stay cord, the one end that the bracing piece was kept away from to the stay cord can be dismantled with the case lid and.

The utility model discloses further set up to: the utility model discloses a bracing piece, including the pole of going up, the pole of going up is equipped with the locating hole that the pole was equipped with, the bracing piece is including interior pole and the outer pole of cover outside locating interior pole, set up two locating holes that distribute along outer pole length direction on the outer pole, be connected with V type shell fragment on the interior pole, V type shell fragment one side is fixed at interior pole, and another side tip is provided with the locating piece with locating hole inlay card.

The utility model discloses further set up to: the panel is provided with a placing groove for accommodating the supporting rod, a rotating shaft is arranged in the placing groove and perpendicular to the extending direction of the placing groove, and one end, far away from the box cover, of the outer rod is provided with a first through hole in rotating fit with the rotating shaft.

The utility model discloses further set up to: the pull rope is fixedly connected with the inner rod through the second through hole.

The utility model discloses further set up to: the two support rods are arranged and are respectively positioned at two ends of the box body.

The utility model discloses further set up to: the box cover is provided with a pull ring, and one end of the pull rope, which is close to the box cover, is provided with a hook matched with the pull ring.

The utility model discloses further set up to: the pull rope is an elastic rope.

The utility model discloses further set up to: and a rubber pad is arranged in the placing groove.

The utility model discloses further set up to: the locating piece is hemispherical from the one end that the locating hole stretches out outer pole.

The utility model discloses further set up to: and the inner side of the box cover is provided with an LED lamp.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the supporting rod, the inserting groove and the pull rope, the supporting rod is rotated to enable the free end of the supporting rod to be in inserting fit with the inserting groove, so that the box cover is kept in a semi-closed state, the box cover is rotated to enable the pull rope to be in a tightened state, the box cover is kept in a completely opened state, the relative angle between the box cover and the box body is kept, and a worker can observe a display screen and a file pocket on the box cover at the same time;

2. the inner rod moves relative to the outer rod to prolong or shorten the length of the supporting rod through the arrangement of the inner rod, the outer rod, the positioning hole, the V-shaped elastic sheet and the positioning block, the positioning hole and the positioning block enable the inner rod and the outer rod to keep relative positions, and the V-shaped elastic sheet can control the positioning block to be separated from the positioning hole or fixed in the positioning hole so as to control the relative positions of the inner rod and the outer rod;

3. the pull ring and the hook are arranged, so that the pull rope and the box cover can be detachably connected, and the relative position of the box cover and the box body can be conveniently released from a fixed state.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of the inner rod and the outer rod in the embodiment of the present invention.

In the figure, 1, a box body; 2. a box cover; 21. a file pocket; 22. a slot; 23. a pull ring; 24. an LED lamp; 3. a panel; 31. a display screen; 32. a placement groove; 33. a rotating shaft; 34. a rubber pad; 4. a support bar; 41. an inner rod; 42. an outer rod; 43. pulling a rope; 44. positioning holes; 45. a V-shaped elastic sheet; 46. positioning blocks; 47. and (4) hanging hooks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a distribution network meshing electric energy quality incident traceability system, including box 1 and articulate in case lid 2 of box 1 top one side, 1 top of box is provided with panel 3, is provided with the display screen 31 that is used for showing measured data on the panel 3, and 2 inboards of case lid are provided with file bag 21, and the inboard of case lid 2 is provided with LED lamp 24 for open LED lamp 24 under dark surrounds and throw light on. In the present embodiment, the control and circuit portions refer to the description in the background art. The box body 1 is internally provided with two support rods 4, one end of each support rod is hinged with the panel 3, and the other end of each support rod is a free end, and the two support rods 4 are respectively positioned at the two ends of the box body 1. The inside of the case cover 2 is provided with a slot 22 which is matched with the free end of the support rod 4 in a plugging way, the free end of the support rod 4 is connected with a pull rope 43, and the pull rope 43 is an elastic rope. One end of the pull rope 43 far away from the support rod 4 is detachably connected with the box cover 2.

Referring to fig. 2, the support rod 4 includes an inner rod 41 and an outer rod 42 sleeved outside the inner rod 41, the outer rod 42 is provided with two positioning holes 44 distributed along the length direction of the outer rod 42, the inner rod 41 is connected with a V-shaped elastic sheet 45, one surface of the V-shaped elastic sheet 45 is fixed on the inner rod 41, and the end of the other surface is provided with a positioning block 46 in clamping fit with the positioning holes 44. The positioning block 46 is formed in a hemispherical shape at an end of the positioning hole 44 extending out of the outer rod 42. The inner rod 41 is pulled to slide along the outer rod 42, and when the positioning block 46 moves to the first positioning hole 44, the positioning block 46 is automatically inserted into the positioning hole 44 under the action of the V-shaped elastic sheet 45, so that the first positioning of the inner rod 41 and the outer rod 42 is realized. When the support rod 4 needs to be elongated, the positioning block 46 is pressed to deform the V-shaped elastic sheet 45 until the positioning block 46 is separated from the positioning hole 44, the inner rod 41 continues to slide until the positioning block 46 moves to the second positioning hole 44, and the positioning block 46 is automatically inserted into the second positioning hole 44 under the action of the V-shaped elastic sheet 45, so that the second positioning of the inner rod 41 and the outer rod 42 is realized, and the support rod 4 is elongated. The cover angle of the box cover 2 is adjusted by changing the length of the support rod 4.

Referring to fig. 1, a placing groove 32 for accommodating the support rod 4 is provided on the panel 3, and a rubber pad 34 is provided in the placing groove 32 to protect the support rod 4. A rotating shaft 33 is arranged in the placing groove 32 and perpendicular to the extending direction of the placing groove 32, and a first through hole which is matched with the rotating shaft 33 in a rotating manner is arranged at one end of the outer rod 42 far away from the box cover 2, so that the support rod 4 is hinged to the panel 3.

Referring to fig. 1, in order to realize the connection between the inside lever 41 and the pulling rope 43, a second through hole is formed at one end of the inside lever 41 close to the case cover 2, and the pulling rope 43 is connected to the inside lever 41 through the second through hole in a binding manner. The pull rope 43 can be conveniently detached from the inner rod 41 through binding connection, and when the pull rope 43 is seriously worn or needs to be replaced due to other reasons, the pull rope 43 can be conveniently replaced.

Referring to fig. 1, in order to detachably connect the pull rope 43 to the box cover 2, a pull ring 23 is disposed on the box cover 2, and a hook 47 engaged with the pull ring 23 is disposed at an end of the pull rope 43 close to the box cover 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a distribution network meshing electric energy quality incident traceability system, includes box (1) and articulates in case lid (2) of box (1) top one side, box (1) top is provided with panel (3), be provided with display screen (31) that are used for showing measured data on panel (3), case lid (2) inboard is provided with file bag (21), its characterized in that: the utility model discloses a case lid, including box (1), case lid (2), bracing piece (4) are provided with one end and panel (3) articulated, the other end is the free end in box (1), case lid (2) inboard is provided with bracing piece (4) free end plug complex slot (22), the free end of bracing piece (4) is connected with stay cord (43), the one end that bracing piece (4) were kept away from in stay cord (43) can be dismantled with case lid (2) and be connected.

2. The power distribution network gridding power quality event tracing system according to claim 1, characterized in that: the utility model discloses a V-shaped spring piece, including interior pole (41) and the outer pole (42) of pole (41) are located to bracing piece (4) including interior pole (41) and cover, set up two locating hole (44) that distribute along outer pole (42) length direction on outer pole (42), be connected with V type shell fragment (45) on interior pole (41), interior pole (41) are fixed to V type shell fragment (45) one side, and another side tip is provided with and inlays complex locating piece (46) with locating hole (44) card.

3. The power distribution network gridding power quality event tracing system according to claim 2, characterized in that: the supporting box is characterized in that a placing groove (32) used for containing the supporting rod (4) is formed in the panel (3), a rotating shaft (33) is arranged in the placing groove (32) in a direction perpendicular to the extending direction of the placing groove (32), and a first through hole which is matched with the rotating shaft (33) in a rotating mode is formed in one end, far away from the box cover (2), of the outer rod (42).

4. The power distribution network gridding power quality event tracing system according to claim 3, characterized in that: one end of the inner rod (41) close to the box cover (2) is provided with a second through hole, and the pull rope (43) is connected with the inner rod (41) in a binding mode through the second through hole.

5. The power distribution network gridding power quality event tracing system according to claim 4, characterized in that: the two support rods (4) are arranged and are respectively positioned at two ends of the box body (1).

6. The power distribution network gridding power quality event tracing system according to claim 1, characterized in that: the box cover (2) is provided with a pull ring (23), and one end of the pull rope (43) close to the box cover (2) is provided with a hook (47) matched with the pull ring (23).

7. The power distribution network gridding power quality event tracing system according to claim 6, wherein: the pull rope (43) is an elastic rope.

8. The power distribution network gridding power quality event tracing system according to claim 3, characterized in that: a rubber pad (34) is arranged in the placing groove (32).

9. The power distribution network gridding power quality event tracing system according to claim 2, characterized in that: the end of the positioning block (46) extending out of the outer rod (42) from the positioning hole (44) is hemispherical.

10. The power distribution network gridding power quality event tracing system according to claim 1, characterized in that: and an LED lamp (24) is arranged on the inner side of the box cover (2).