CN110428958B - Transformer insulation protection casing - Google Patents
Transformer insulation protection casing Download PDFInfo
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- CN110428958B CN110428958B CN201910564262.3A CN201910564262A CN110428958B CN 110428958 B CN110428958 B CN 110428958B CN 201910564262 A CN201910564262 A CN 201910564262A CN 110428958 B CN110428958 B CN 110428958B
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- sleeve
- protective cover
- groove
- limiting
- bulges
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses an insulating protective cover for a transformer, which comprises a protective cover main body and a sleeve; the sleeves are arranged at two ends of the protective cover main body; the sleeve mounting sections at two ends of the protective cover main body are provided with first bulges; a second bulge is arranged on the inner wall of the first sleeve; the first protrusion is matched with the second protrusion. The invention provides an insulating protective cover for a transformer, which has the advantages of simple structure, difficulty in tripping, falling prevention and shock prevention, capability of protecting a wiring terminal in a protective sleeve from normal operation and very good popularization value.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an insulating protective cover for a transformer.
Background
At present, in order to prevent electric shock of a human body caused by red exposure of a contact point of an electric appliance and prevent overlapping of foreign matters such as branches or phase short circuit caused by crawling of small animals, various red exposure joints and wiring terminals are arranged for power equipment, an insulating sheath of a transformer is provided, a cold-shrinkable sealing sheath is used for wrapping the red exposure joints and the wiring terminals, belongs to one type of expanding materials, and is formed by injecting and vulcanizing elastomer materials (common silicon rubber and ethylene propylene rubber) in a factory, expanding the diameter and lining with nylon spiral supports to form the cold-shrinkable sealing sheath, a nylon strip (support) supported inside is drawn out during sealing, and the expanded cylindrical silicon rubber material tightly wraps the outer diameters of the red exposure joints and the wiring terminals by elastic retraction force, so that the insulating and sealing effects are achieved. However, when the maintenance is failed, the sheath needs to be peeled off, so that the sheath cannot be detached, the material is wasted, and the maintenance cost is increased.
Therefore, how to provide an insulating protective cover for a transformer, which has good insulating property and is convenient to disassemble and assemble, is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides an insulating protective cover for a transformer, which has a simple structure, is not easy to trip, is anti-falling and shockproof, can protect a wiring terminal in the protective cover from normal operation, and has a very good popularization value; and, avoid the naked thing of exogenic action binding post to take place, the effectual thunderstorm weather of having avoided of buckle formula insulating sheath, the high voltage is acted as go-between electrically conductive pedestrian and is electrocuted dead accident, has thoroughly solved and has drooped the unsafe problem of fishing at the high-voltage line.
In order to achieve the above purpose, the invention provides the following technical scheme:
a transformer insulation protective cover comprises a protective cover main body and a sleeve; the number of the sleeves is two, and the sleeves are respectively arranged at two ends of the protective cover main body; the sleeve mounting sections at two ends of the protective cover main body are provided with first bulges; a second bulge is arranged on the inner wall of the sleeve; the first protrusion is matched with the second protrusion; the protective cover main part is the protruding structure of cavity.
Through the technical scheme, the invention has the technical effects that: the sleeve is sleeved at two ends of the protective cover main body, the first bulges and the second bulges are arranged in a staggered mode, the sleeve can be rotated to enable the first bulges and the second bulges to be arranged oppositely, and a fastening effect can be achieved; the hollow bulge of safety cover main part is used for placing various red dew joints, binding post, and the suitability is stronger.
Preferably, in the transformer insulation protection cover described above, the protection cover main body includes: a sheet-like body wrapping the terminal; the two sides of the sheet body are provided with a buckle and a clamping groove which can be matched with each other.
Through the technical scheme, the invention has the technical effects that: buckle draw-in groove design convenient to detach when the trouble, need not destroy whole protection casing, reduces cost of maintenance.
Preferably, the inner side wall of the sheet-shaped body wrapping the wiring terminal part is arranged to be corrugated, so that the anti-falling and anti-shock technical effects of the wiring terminal are effectively improved.
Preferably, in the insulating protective cover for a transformer, two limiting rings are arranged at the mounting position of the sleeve; the two limiting rings form a limiting groove; the sleeve is arranged in the limiting groove.
Through the technical scheme, the invention has the technical effects that: the limiting groove limits the movement of the sleeve, and the sheet main body is convenient to fasten.
Preferably, in the transformer insulation protective cover, the sleeve is made of a flexible insulating material, and the inner diameter of the sleeve is smaller than the outer diameter of the limiting ring.
Through the technical scheme, the invention has the technical effects that: the flexible insulating material can be sleeved on the limiting ring and fall into the limiting groove.
Preferably, in the transformer insulating protective cover, the fastener includes a limit portion with a semicircular shape and two first protruding portions integrally formed with the limit portion, and the two first protruding portions are respectively disposed at the edge of the plane side of the limit portion;
the clamping groove comprises a groove matched with the appearance of the limiting portion and two second protruding portions integrally formed with the groove, the number of the second protruding portions is two, the two second protruding portions are respectively arranged in one-to-one correspondence with the positions of the two first protruding portions, and the first protruding portions are abutted to the second protruding portions.
Through the technical scheme, the invention has the technical effects that: the structure of the buckle and the clamping groove is convenient to clamp and not easy to fall off, and the practicability of the protective cover is improved.
Preferably, in the transformer insulation protective cover, the limiting portion, the first protruding portion, the groove wall of the groove, and the second protruding portion are all filled with magnetic iron powder.
Through the technical scheme, the invention has the technical effects that: the buckle and the inside iron powder that has magnetism that all packs of draw-in groove for behind buckle and draw-in groove block, utilize magnetism to inhale the principle mutually, with the buckle with draw-in groove's actuation firmly together, further play the technological effect of preventing the dropout.
Preferably, in the insulating protective cover for a transformer, the outer layer of the sheet body is wrapped with a heat insulation layer.
Through the technical scheme, the invention has the technical effects that: the outer layer of the sheet body provided by the invention is wrapped with the heat insulation layer, so that the sun-proof capability of the protective cover can be effectively improved, the applicability of the protective cover to the external severe environment is enhanced, the service life of the protective cover is prolonged, and the cost is reduced.
Preferably, in the above insulating protective cover for transformer, a plurality of heat insulation holes are formed in the end face of the sheet body, and the heat insulation holes are uniformly distributed on the inner side wall and are arranged at intervals.
Through the technical scheme, the invention has the technical effects that: the heat insulation holes are arranged on the inner side wall at intervals, so that heat insulation protection of the protective cover can be effectively realized; meanwhile, when a larger wiring terminal is sleeved, the corrugated inner side wall is often extruded by the terminal to generate certain retraction, but the retraction amount is smaller, so that the wiring terminal is difficult to be sleeved.
The sheet-shaped body is made of a bendable soft insulating material.
According to the technical scheme, compared with the prior art, the transformer insulation protective cover disclosed by the invention has the advantages that the protection and insulation functions of the wiring terminal are realized, and the economical efficiency and the practicability are very good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of a casing mounting section of the present invention;
FIG. 3 is a side view of the bushing mounting section of the present invention;
FIG. 4 is an expanded view of the cross-sectional view of FIG. 2 of the present invention;
fig. 5 is a schematic structural view of the bushing of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an insulating protective cover of a transformer, which has the advantages of simple structure, difficult tripping, falling and shock resistance, capability of protecting a wiring terminal in a protective sleeve from normal work and very good popularization value; the buckle type insulating sheath effectively avoids thunderstorm weather and accidents that high-voltage stay wire conductive pedestrians are electrocuted, and the problem that fishing on high-voltage wires is unsafe is thoroughly solved.
Referring to fig. 1 to 5, an embodiment of the present invention discloses an insulating protective cover for a transformer, including a protective cover main body and a bushing 100; the sleeves 100 are provided at both ends of the protective cover main body; the mounting sections of the sleeves 100 at the two ends of the protective cover main body are provided with first bulges 101; the inner wall of the sleeve 100 is provided with a second bulge 102; the first protrusion 101 is matched with the second protrusion 102; the protective cover main part is a hollow convex structure.
Specifically, the protection cover main part includes: a buckle 11 and draw-in groove 12 that can mutually support are provided with at 1 both ends of slice body for wrapping up binding post's slice body 1.
In another embodiment, two stop collars 103 are provided at the mounting site of the first sleeve 100; the two limit rings 103 form a limit groove; the first sleeve 100 is disposed in the retaining groove.
In another embodiment, the first sleeve 100 is made of a flexible insulating material, and the inner diameter of the first sleeve 100 is smaller than the outer diameter of the stop collar 103.
The embodiment of the invention provides a buckle and a clamping groove structure which are simple in structure and difficult to trip. Specifically, the buckle 11 includes a limiting portion 111 with a semicircular shape and two first protruding portions 112 integrally formed with the limiting portion 111, and the two first protruding portions 112 are respectively disposed at the edge of the plane side of the limiting portion 111;
the card slot 12 includes a groove 121 adapted to the shape of the position-limiting portion 111, and two second protruding portions 122 integrally formed with the groove 121, where the two second protruding portions 122 are respectively disposed corresponding to the positions of the two first protruding portions 112 one by one, and the first protruding portions 112 abut against the second protruding portions 122.
The first protruding portion in the embodiment is groove-shaped, and can be effectively abutted against the second protruding portion, so that the protective cover is not influenced by external factors to be released in work, and the clamping is firmer.
The invention also provides another embodiment for enhancing the clamping effect of the protective cover. Specifically, the limiting part 111, the first protruding part 112, the groove wall of the groove 121, and the inside of the second protruding part 122 are all filled with magnetic iron powder, so that after the buckle and the clamping groove are clamped, the buckle and the clamping groove are firmly attracted together by using the magnetic attraction principle, and the technical effect of preventing tripping is further achieved; meanwhile, the magnetic iron powder is filled in the buckles and the clamping grooves instead of being directly exposed in the external environment, so that the magnetism of the magnetic iron powder is not influenced by the external environment and is reduced, and the magnetic iron powder has good practicability.
The invention also provides an embodiment for enhancing the applicability and practicality of the protective cover. Specifically, the outer layer of the sheet-shaped body 1 is wrapped by the heat insulation layer, so that the sun-proof capacity of the protective cover can be effectively improved, the applicability of the protective cover to the external severe environment is enhanced, the service life of the protective cover is prolonged, and the cost is reduced.
A plurality of heat insulation holes 5 are formed in the end face of the sheet body 1, and the heat insulation holes 5 are uniformly distributed on the inner side wall 4 and are arranged at intervals, so that heat insulation protection of the protective cover can be effectively achieved; meanwhile, when a larger wiring terminal is sleeved, the corrugated inner side wall is often retracted to a certain extent due to extrusion of the wiring terminal, but the retraction amount is smaller, so that the wiring terminal is difficult to be sleeved.
The sheet-like body 1 is made of a flexible, insulating material.
The invention provides an insulating protective cover for a transformer, which has the advantages of simple structure, difficult tripping, falling prevention and shock prevention, capability of protecting a wiring terminal from normal operation and very good popularization value.
The use process of the invention is as follows: firstly, sleeve pipe box on the binding post of transformer, another sleeve pipe box is on the cable, and the cable is connected with binding post, then wraps up binding post with the slice body to with the draw-in groove buckle lock, remove two sleeve pipes to the spacing inslot, rotatory sleeve pipe fastens.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The transformer insulation protective cover is characterized by comprising a protective cover main body and a sleeve; the number of the sleeves is two, and the sleeves are respectively arranged at two ends of the protective cover main body; the sleeve mounting sections at two ends of the protective cover main body are provided with first bulges, and the first bulges are positioned on the outer wall of the sleeve mounting sections; a second bulge is arranged on the inner wall of the sleeve; the first protrusion is matched with the second protrusion; the protective cover main body is of a hollow convex structure;
two limiting rings are arranged at the mounting position of the sleeve; the two limiting rings form a limiting groove; the sleeve is arranged in the limiting groove; the sleeve is made of a flexible insulating material, and the inner diameter of the sleeve is smaller than the outer diameter of the limiting ring;
the first bulges and the second bulges are arranged in a staggered mode, and when the sleeve is used, the sleeve is rotated to enable the first bulges and the second bulges to be arranged oppositely.
2. The transformer insulation shield according to claim 1, wherein the shield body comprises: a sheet-like body; the two side edges of the sheet-shaped body are provided with a buckle and a clamping groove which can be mutually matched.
3. The transformer insulation shield according to claim 2, wherein the clip includes a semi-circular limiting portion and two first protruding portions integrally formed with the limiting portion, and the two first protruding portions are respectively disposed at edges of a planar side of the limiting portion; the clamping groove comprises a groove matched with the appearance of the limiting part and two second protruding parts integrally formed with the groove, the number of the second protruding parts is two, the two second protruding parts are respectively in one-to-one correspondence with the positions of the two first protruding parts, and the two first protruding parts are abutted to the two second protruding parts.
4. The transformer insulation shield according to claim 3, wherein the limiting portion, the first protruding portion, the groove wall of the groove, and the second protruding portion are filled with magnetic iron powder.
5. The transformer insulation shield according to claim 2, wherein an outer layer of the sheet-like body is wrapped with a thermal insulation layer.
6. The transformer insulation shield according to claim 2, wherein a plurality of insulation holes are formed in an end surface of the sheet body, and the insulation holes are uniformly distributed on the inner side wall and are arranged at intervals.
7. The transformer insulation shield according to any of claims 2-6, wherein the sheet-like body is made of a flexible and flexible insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564262.3A CN110428958B (en) | 2019-06-26 | 2019-06-26 | Transformer insulation protection casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910564262.3A CN110428958B (en) | 2019-06-26 | 2019-06-26 | Transformer insulation protection casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110428958A CN110428958A (en) | 2019-11-08 |
| CN110428958B true CN110428958B (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910564262.3A Active CN110428958B (en) | 2019-06-26 | 2019-06-26 | Transformer insulation protection casing |
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| Country | Link |
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| CN (1) | CN110428958B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314299A (en) * | 2021-05-28 | 2021-08-27 | 广东电网有限责任公司 | Transformer bushing protective sleeve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204909279U (en) * | 2015-07-17 | 2015-12-30 | 中山市美图塑料工业有限公司 | Rotatory buffer |
| CN107658081A (en) * | 2017-10-23 | 2018-02-02 | 武汉昱仝科技有限公司 | A kind of bare wire insulating protective sleeve and its anti-creep method for electrically |
| CN208422541U (en) * | 2018-06-13 | 2019-01-22 | 淄博迪声绝缘材料有限公司 | A kind of buckle-type insulating protective sleeve |
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2019
- 2019-06-26 CN CN201910564262.3A patent/CN110428958B/en active Active
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| Publication number | Publication date |
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| CN110428958A (en) | 2019-11-08 |
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