CN219417584U - Installation equipment of current acquisition device and current sensor component - Google Patents
Installation equipment of current acquisition device and current sensor component Download PDFInfo
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- CN219417584U CN219417584U CN202223051457.4U CN202223051457U CN219417584U CN 219417584 U CN219417584 U CN 219417584U CN 202223051457 U CN202223051457 U CN 202223051457U CN 219417584 U CN219417584 U CN 219417584U
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Abstract
The utility model discloses a mounting device of a current collection device and a current sensor component, comprising: the transformer comprises a current collection device, current sensor components and a clamping mechanism, wherein one end of the current collection device is fixedly connected with the clamping mechanism through bolts, the current sensor is sleeved on a transformer core and a clamp piece ground flat steel, the clamping mechanism comprises a mounting bar, a clamping plate assembly and a support unit, the clamping plate assembly comprises a first clamping plate and a second clamping plate, the two clamping plates are arranged, a plurality of mounting holes are formed in the circumference of the first clamping plate and the circumference of the second clamping plate, a through hole is formed in the middle of the first clamping plate, the second clamping plate comprises a second clamping plate body and a second clamping plate bending part bent from the second body to the first clamping plate, and the depth of the second clamping plate bending part is smaller than the thickness of the transformer core and the clamp piece ground flat steel. The installation equipment enables the installation of the current acquisition device to be simpler and more convenient, reduces the installation equipment and solves the problem that the iron core is partially burnt to form short circuit among iron core sheets to trip when the iron core is seriously overheated locally.
Description
Technical Field
The utility model relates to the technical field of on-line monitoring of grounding flat steel of a transformer iron core and a clamping piece and grounding current of the clamping piece, in particular to installation equipment of a current acquisition device and a current sensor component.
Background
The power transformer in normal operation needs to monitor the current in real time to prevent short circuit and even casualties, in general, the grounding flat steel of the iron core and the clamping piece of the power transformer and the clamping piece are reliably grounded at a single point, if two points or more are grounded simultaneously, uneven potential between the iron core and the clamping piece can form circulation between grounding points to cause local overheating, the iron core can be burnt locally to form short circuit between iron chips to trip when serious, and the grounding current collecting device of the grounding flat steel of the iron core and the clamping piece of the power transformer and the clamping piece can discover the latent fault of the transformer as soon as possible so as to facilitate maintenance personnel to take corresponding measures in time. However, the installation mode of the on-line monitoring device for the grounding flat steel and the clamping piece grounding current of the transformer iron core and the clamping piece grounding flat steel on the market is very inconvenient, the grounding flat steel is required to be cut off, a sensor is required to be installed by drilling at the cut-off position, and the collecting device is additionally installed in a place.
The installation structure of the grounding flat steel and clamping piece grounding current collection device of the existing transformer iron core and clamping piece is characterized in that the grounding flat steel is required to be cut off and installation holes are drilled at two cut ends when the current sensor is installed, and the two ends of the current sensor penetrating through the grounding flat steel are fixed on the installation holes at the two ends of the cutting flat steel through bolts. The existing assembly mode is complex, required installation tools are more, actual installation operation of operators is inconvenient, and the overall assembly efficiency of the transformer iron core, the clamp grounding flat steel and the clamp grounding current collection device structure is reduced.
Disclosure of Invention
The utility model aims to overcome the technical defects, provides installation equipment for a current acquisition device and a current sensor component, and solves the technical problems that in the prior art, the installation efficiency of a transformer core and clamp grounding flat steel and the current acquisition device is low, a plurality of installation tools are needed, the installation steps are complicated and the like in the technical field of on-line monitoring of the grounding current of the transformer core and clamp grounding flat steel and the clamp grounding flat steel.
In order to achieve the above technical object, the technical solution of the present utility model provides a mounting apparatus for a current collecting device and a current sensor component, including:
a current collection device;
a current sensor component;
the clamping mechanism is fixedly connected with one end of the current acquisition device through a bolt, and the current sensor is sleeved on the transformer iron core and the clamping piece ground flat steel; the clamping mechanism comprises a mounting bar, a clamping plate assembly and a bracket unit; at least two mounting strips are arranged; a plurality of mounting holes are formed at two ends of each of the plurality of mounting strips; the mounting strips are symmetrically distributed on the back surface of the current acquisition device; the clamping plate assembly comprises a first clamping plate and a second clamping plate; the number of the second clamping plates is two; the first clamping plate and the second clamping plate are circumferentially provided with a plurality of mounting holes; a through hole is formed in the middle area of the first clamping plate; the second clamping plate comprises a second clamping plate body and a second clamping plate bending part which is bent from the second body to the first clamping plate; the depth of the second clamping plate bending part is smaller than the thickness of the transformer iron core and the thickness of the clamping piece grounding flat steel.
Compared with the prior art, the utility model has the beneficial effects that: the clamping mechanism comprises at least two mounting bars, clamping plate assemblies and a bracket unit, wherein a plurality of mounting holes are formed in two ends of each mounting bar, the mounting bars are symmetrically distributed on the back surface of the current collecting device, each clamping plate assembly comprises a first clamping plate and a second clamping plate, the two clamping plates are arranged, a plurality of mounting holes are formed in the circumferences of the first clamping plate and the second clamping plate, a through hole is formed in the middle area of each first clamping plate, each second clamping plate comprises a second clamping plate body and a second clamping plate bending part bent from the second body to the first clamping plate, the depth of each second clamping plate bending part is smaller than the thickness of the grounding flat steel of the transformer core and the clamping piece, the clamping force formed by the first clamping plate and the second clamping plate is used for fixing the current sensor component, and the current sensor is sleeved on the transformer core and the clamp grounding flat steel, so that current monitoring is achieved on the transformer core and the clamp grounding flat steel without cutting off the transformer core and the clamp grounding flat steel, circulation is formed between grounding points by uneven electric potentials among the transformer core, the clamp grounding flat steel and the clamp, local overheating is caused, and the problem that the iron core is partially burnt to form short circuits among iron chips to trip is solved when serious.
Drawings
FIG. 1 is a schematic diagram of the front structure of a mounting apparatus for a current collection device and a current sensor component provided by the present utility model;
fig. 2 is an isometric view of a schematic of a current collection device and a current sensor component mounting apparatus provided by the present utility model.
Fig. 3 is an isometric view of a portion of a clamping mechanism of a mounting apparatus for a current collection device and a current sensor component provided by the present utility model.
Fig. 4 is a schematic view of the installation of the first clamping plate and the second clamping plate provided by the utility model.
Fig. 5 is an isometric view of a second cleat according to the present utility model.
Fig. 6 is a schematic isometric view of a stand unit provided by the utility model.
Fig. 7 is a schematic perspective view of a bellows joint according to the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the present embodiment provides an installation apparatus of a current collecting device and a current sensor component, including: a current collection device 1, a current sensor part 2 and a clamping mechanism 3.
The current collection device 1 comprises a current collection case 11 and a corrugated pipe joint 12, the current collection case 11 comprises a current collection case body 111 and a current collection case door 112, preferably, the bottom of the current collection case body 111 is rectangular, mounting holes a are respectively formed in the back surface and the four circumferential corners of the current collection case body 111, the current collection case 11 is detachably and fixedly connected with the mounting strips 31 through the mounting holes a in the back, and the current collection case door 112 is movably connected with the current collection case body 111 through a hinge. The current collecting device 1 further comprises a corrugated pipe 13, a plurality of corrugated pipe joint mounting holes a are formed in the side end and the bottom end of the current collecting case body 111, one end of the corrugated pipe joint 12 is meshed with the corrugated pipe joint holes a, and the other end of the corrugated pipe joint 12 is in threaded connection with one end of the corrugated pipe 13. The direction of the corrugated pipe joint 12 at the bottom of the current collection case body 111 is a vertical direction, and the corrugated pipe joint 12 is in the vertical direction so as to prevent rainwater from entering the current collection case body 111 in rainy days, which causes short circuit and fire. Preferably, in the present embodiment, the bellows 13 and the bellows joint 12 are made of stainless steel, which has a series of advantages such as excellent corrosion resistance, formability, compatibility, and toughness.
The current sensor 2 includes a current sensor body 21 and a current sensor housing 22, the current sensor housing 22 wraps and fixes the current sensor body 21, the housing upper end surface of the current sensor 2 has two positioning holes 22a, that is, the upper end surface of the current sensor housing 22 has a symmetrical positioning hole 22a, the positioning hole 22a engages with a protrusion 3223 on the second clamping plate 322 to prevent the circumferential and up-down movement of the current sensor 2. In this embodiment, after the two second clamping plates 322 are in contact with the current sensor housing 22 and are fixed, the contact portions of the second clamping plates 322 and the current sensor housing 22 are welded again to enhance the connection strength. Compared with the traditional transformer core and clamp grounding flat steel current sensor, the current sensor component 2 is sleeved on the transformer core and clamp grounding flat steel 4 in a penetrating mode, the transformer core and clamp grounding flat steel is not cut off, the integrity of the transformer core and clamp grounding flat steel 4 is achieved, and therefore the problem that uneven electric potential among the transformer core, the clamp grounding flat steel 4 and the clamp forms circulation among grounding points to cause local overheating, and the transformer core and the clamp grounding flat steel 4 are burnt locally to form short circuit among iron chips to trip is solved.
The clamping mechanism 3 is detachably and fixedly connected with the current collecting device 1 through bolts, and comprises at least two mounting bars 31, clamping plate assemblies 32 and a bracket unit 33, in this embodiment, preferably, two mounting bars 31 are selected, two ends of a plurality of mounting bars 31 are provided with a plurality of mounting holes a, and a plurality of mounting bars 31 are symmetrically distributed on the back surface of the current collecting device 1; the cleat assembly 32 includes a first cleat 321 and a second cleat 322; two of the second clamping plates 322; the first clamping plate 321 and the second clamping plate 322 are circumferentially provided with a plurality of mounting holes a; a through hole 321a is formed in the middle area of the first clamping plate 321; the second clamping plate 322 includes a second clamping plate body 3221 and a second clamping plate bending portion 3222 bent from the second clamping plate body 3221 to the first clamping plate 31; the depth of the second clamping plate bending part 3222 is smaller than the thickness of the transformer iron core and the grounding flat steel 4 of the clamping piece. The two second clamping plates 322 are arranged symmetrically up and down with respect to the current sensor part 2 to restrict the movement of the current sensor part 2 in the up and down direction. The bracket unit 33 includes a bracket unit body 331 and a first bracket unit bending portion 332 formed by bending the bracket unit body 331 toward the mounting bar 31; the depth of the first bracket unit bending part 332 is greater than the depth of the transformer core and the clamp grounding flat steel 4; the first bracket unit bending part 332 has a mounting hole a; the mounting holes a are detachably and fixedly connected with the mounting holes a at the two ends of the mounting strip 31 correspondingly. The length of the through hole 321a of the first clamping plate 321 is greater than the length of the current sensor member 2; the current sensor part 2 is sleeved on the transformer core and the clamp grounding flat steel 4 and penetrates through the through hole of the current sensor part 4. The clamping mechanism 3 further comprises a plurality of insulating cushions 34, wherein the insulating cushions 34 are arranged; the insulating cushion 34 is arranged between the current sensor part 2 and the clamping plate assembly 32; the clamp plate assembly 32 is attached to the transformer core and clamp ground strap 4 at its contact with the insulating cushion 34 to ensure that current passes through the transformer core and clamp ground strap 4. Specifically, the support unit 33 that is symmetrical from top to bottom is fixed with the installation strip 31 on the back of current collection device 1 can be dismantled, just the support unit body 331 of support unit 33 with transformer core and folder ground band steel 4 laminate mutually, thereby the support unit 33 that is symmetrical from top to bottom has restricted the removal in the left and right directions of transformer core and folder ground band steel 4, first splint 321 with second splint 322 can be dismantled fixed connection, first splint 321 with the centre gripping space that forms between the second splint 322 is used for wearing the cover transformer core and folder ground band steel 4, wherein first splint 321 with be equipped with insulating cushion 34 between transformer core and the folder ground band steel 4, current sensor part 2 wear the cover in transformer core and folder ground band steel 4 realize to transformer core and folder ground band steel 4's current monitoring.
Working principle: the fixture comprises mounting bars 31, clamping plate assemblies 32 and a bracket unit 33, wherein the mounting bars 31 are at least two, a plurality of mounting holes a are formed in two ends of the mounting bars 31, the mounting bars 31 are symmetrically distributed on the back of the current collecting device 1, the clamping plate assemblies 32 comprise a first clamping plate 321 and a second clamping plate 322, the second clamping plate 322 is two, a plurality of mounting holes a are formed in the circumferences of the first clamping plate 321 and the second clamping plate 322, a through hole 321a is formed in the middle area of the first clamping plate 321, the second clamping plate 322 comprises a second clamping plate body 3221 and a second clamping plate bending part 3222 bent by the second clamping plate body 3221, the depth of the second clamping plate bending part 3222 is smaller than the thickness of a transformer iron core and a clamp grounding flat steel 4, the clamping force formed by the first clamping plate 321 and the second clamping plate 322 is used for fixing a current sensor part 2, the current sensor part 2 penetrates through the transformer iron core and the clamping plate 321 and the second clamping plate 322, thereby the problem that the iron core is seriously damaged by a large-scale transformer is solved, and the problem that a large-scale transformer is required to be installed between the iron core 4 and a local-to-type transformer is formed, and a large-size transformer is required to be installed, and a large-scale transformer is required to be installed, and a large-down current transformer is required to be installed, and a large-scale transformer is required to be installed, and a potential transformer is caused to be a local-to be connected to a transformer is to a flat-to a transformer is to a site.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (8)
1. A mounting apparatus for a current collection device and a current sensor component, comprising:
a current collection device;
a current sensor component;
the clamping mechanism is fixedly connected with one end of the current acquisition device through a bolt, and the current sensor is sleeved on the transformer iron core and the clamping piece grounding flat steel; the clamping mechanism comprises a mounting bar, a clamping plate assembly and a bracket unit; at least two mounting strips are arranged; a plurality of mounting holes are formed at two ends of each of the plurality of mounting strips; the mounting strips are symmetrically distributed on the back surface of the current acquisition device; the clamping plate assembly comprises a first clamping plate and a second clamping plate; the number of the second clamping plates is two; the first clamping plate and the second clamping plate are circumferentially provided with a plurality of mounting holes; a through hole is formed in the middle area of the first clamping plate; the second clamping plate comprises a second clamping plate body and a second clamping plate bending part which is bent from the second body to the first clamping plate; the depth of the second clamping plate bending part is smaller than the thickness of the transformer iron core and the thickness of the clamping piece grounding flat steel.
2. The apparatus for mounting a current collecting device and a current sensor member according to claim 1, wherein the two second clamping plates are arranged vertically symmetrically with respect to the current sensor member to restrict movement of the current sensor member in the vertical direction.
3. The apparatus for mounting a current collecting device and a current sensor member according to claim 1, wherein the upper end surface of the housing of the current sensor member has two positioning holes; one side of the first clamping plate bending part of the second clamping plate is provided with a protruding piece; the boss corresponds to the positioning hole to restrict circumferential movement of the current sensor member.
4. The apparatus for mounting a current collecting device and a current sensor member according to claim 1, wherein the bracket unit includes a bracket unit body and a first bracket unit bent portion formed by bending the bracket unit body in the mounting bar direction; the depth of the bending part of the first bracket unit is larger than the depth of the grounding flat steel of the transformer iron core and the clamping piece; the first bracket unit bending part is provided with a mounting hole; the mounting holes are correspondingly and detachably fixedly connected with the mounting holes at the two ends of the mounting strip.
5. The apparatus for mounting a current collecting device and a current sensor member according to claim 1, wherein a length of the through hole of the first clamping plate is greater than a length of the current sensor member; the current sensor component is sleeved on the transformer core and the clamp piece grounding flat steel and penetrates through the through hole of the current sensor component.
6. The apparatus for mounting a current collection device and a current sensor component according to claim 1, wherein the clamping mechanism further comprises a plurality of insulating cushions; the insulating soft cushions are arranged between the current sensor component and the clamping plate component; and the contact part of the clamping plate assembly and the grounding flat steel of the transformer core and the clamping piece is provided with the insulating soft cushion so as to ensure that current passes through the grounding flat steel of the transformer core and the clamping piece.
7. The apparatus for mounting a current collecting device and a current sensor component according to claim 1, wherein the current collecting device comprises a current collecting case and a bellows joint; the side end and the bottom end of the current collection chassis are provided with a plurality of mounting holes; the plurality of corrugated pipe joints are arranged on the mounting hole of the current collection box and on one side of the current sensor component, and the direction of the corrugated pipe joints arranged at the bottom of the current collection box is downward so as to be waterproof.
8. The apparatus for mounting a current collecting means and a current sensor member according to claim 1, wherein the current collecting means further comprises a bellows; one end of the corrugated pipe is detachably connected with one end of a corrugated pipe joint of the current sensor component; the other end of the corrugated pipe is detachably and fixedly connected with one end of the corrugated pipe joint at the side end of the current collection direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223051457.4U CN219417584U (en) | 2022-11-15 | 2022-11-15 | Installation equipment of current acquisition device and current sensor component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223051457.4U CN219417584U (en) | 2022-11-15 | 2022-11-15 | Installation equipment of current acquisition device and current sensor component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219417584U true CN219417584U (en) | 2023-07-25 |
Family
ID=87205603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223051457.4U Active CN219417584U (en) | 2022-11-15 | 2022-11-15 | Installation equipment of current acquisition device and current sensor component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219417584U (en) |
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2022
- 2022-11-15 CN CN202223051457.4U patent/CN219417584U/en active Active
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