CN111755149A - Compound shielding insulation tubular bus sleeve - Google Patents
Compound shielding insulation tubular bus sleeve Download PDFInfo
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- CN111755149A CN111755149A CN202010552185.2A CN202010552185A CN111755149A CN 111755149 A CN111755149 A CN 111755149A CN 202010552185 A CN202010552185 A CN 202010552185A CN 111755149 A CN111755149 A CN 111755149A
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- layer
- insulating
- shielding
- composite
- shielding layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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Abstract
The invention discloses a composite shielding insulating tubular bus sleeve, and relates to the field of electric power composite shielding insulating tubular buses. The composite sleeve pipe is formed by extrusion, and each layer of the composite sleeve pipe is uniform in wall thickness, coaxial and integrated and comprises a conductor shielding layer, an insulating layer and an insulating shielding layer; the insulating layer is coated on the peripheral wall of the conductor shielding layer; the insulating shielding layer is coated on the peripheral wall of the insulating layer. The invention is not influenced by the gravity of the metal conductive tube, the wall thickness is uniform, the coaxiality is high, the precision is high, the electrical insulating property is stable and reliable, the production of the composite shielding insulating tubular bus sleeve is prefabricated, and the composite shielding insulating treatment of the insulating tubular bus body can be finished by directly penetrating the composite shielding insulating tubular bus sleeve on the metal conductive tube, thereby thoroughly changing the original backward production mode; is a green nontoxic recyclable material, and is harmless to human bodies in the processes of production, transportation, installation, maintenance and recovery.
Description
Technical Field
The invention belongs to the field of electric composite shielding insulating tubular buses, and particularly relates to a composite shielding insulating tubular bus sleeve.
Background
The composite shielding insulation tubular bus sleeve is used as a composite insulation layer of the insulation tubular bus and directly penetrates through the metal conductive tube to complete the composite shielding insulation treatment of the insulation tubular bus body. The existing insulating tubular bus is formed by directly lapping, extruding and pouring an insulating material on a metal conductive tube to form a composite insulating layer. The production of the composite shielding insulating tubular bus sleeve is prefabricated, standardized and continuous production, the composite shielding insulating tubular bus sleeve is independently extruded without being influenced by the gravity of the metal conductive tube, the wall thickness is uniform and coaxial, the precision is high, and the electrical insulating property is stable and reliable.
In the production of the existing insulating tubular bus, an insulating material is directly wrapped, extruded and poured on a metal conductive tube, and a composite insulating layer directly wrapped on the metal conductive tube is a non-integrated integral insulating layer, so that a layered structure of the insulating tubular bus is easy to generate bubbles and is easy to be invaded by moisture, and the composite insulating layer is easy to damage; the composite insulating layer is directly extruded on the metal conductive tube by an insulating material, and the composite insulating layer is inevitably uneven in wall thickness and non-coaxial in each layer of the composite insulating layer due to the influence of the gravity of the metal conductive tube in the extruding process, so that an electric field is distorted, and the composite insulating layer is easily damaged; the insulating material is directly poured on the composite insulating layer on the metal conductive tube, and the wall thickness of each layer of the composite insulating layer is not uniform and not coaxial due to the influence of the gravity of the metal conductive tube in the pouring and curing processes, so that an electric field is distorted, and the composite insulating layer is easily damaged. Therefore, the composite shielding insulating tubular bus sleeve has important significance in solving the problems.
Disclosure of Invention
The invention provides a composite shielding insulating tubular bus sleeve, which solves the problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a composite shielding insulation tubular bus sleeve, which is an integral composite sleeve formed by a conductor shielding layer, an insulation layer and an insulation shielding layer, wherein the composite sleeve is arranged from inside to outside and is formed by extrusion, and each layer of the composite sleeve has uniform and coaxial wall thickness;
the insulating layer is coated on the peripheral wall of the conductor shielding layer; the insulating shielding layer is coated on the outer peripheral wall of the insulating layer;
and the conductor shielding layer, the insulating layer and the insulating shielding layer are continuously coated and naturally cured or forcibly cured by equipment.
Further, the conductor shielding layer is a semiconductor or a conductor material.
Further, the insulating layer is made of rubber, plastic, resin or other insulating materials.
Further, the insulation shielding layer is made of semiconductor or conductor materials.
Furthermore, the conductor shielding layer, the insulating layer and the insulating shielding layer are extruded in a three-layer co-extrusion mode or a single-layer multi-time single extrusion mode.
Furthermore, the conductor shielding layer and the insulating layer are extruded separately in a single-layer mode or a double-layer mode, and the insulating shielding layer is extruded, wrapped, sprayed or coated in other modes.
Furthermore, the insulating layer and the insulating shielding layer are extruded separately in a single-layer mode or a double-layer mode, and the conductor shielding layer is extruded, wrapped, sprayed or coated in other modes.
Further, the composite shielding insulating tubular bus sleeve is used for being rapidly sleeved on a metal conductive pipe in a penetrating mode when the composite shielding insulating tubular bus is manufactured, and production and manufacturing of the composite shielding insulating tubular bus are completed.
Furthermore, the conductor shielding layer, the insulating layer and the insulating shielding layer additionally comprise a grounding screen layer, a metal shielding layer and a protective layer, and the multilayer co-extrusion, single-layer multiple independent extrusion, wrapping and pouring are realized.
Compared with the prior art, the invention has the following beneficial effects:
1. the composite shielding insulating tubular bus sleeve is produced without extruding along with a metal conductive tube, and adopts three-layer co-extrusion or single-layer multi-time single-extrusion composite insulating sleeve, and the composite insulating layer comprises: the conductor shielding layer, the insulating layer and the insulating shielding layer form a composite insulating sleeve with uniform wall thickness, coaxiality and integration.
2. The composite shielding insulation tubular bus sleeve is prefabricated, the existing insulation bus production mode is customized, the composite shielding insulation tubular bus sleeve is used as a composite insulation layer of an insulation tubular bus and directly penetrates and sleeves a metal conductive tube, the composite shielding insulation treatment of an insulation tubular bus body can be completed, and the original backward production mode is thoroughly changed; the composite shielding insulation tubular bus sleeve is produced in a standardized and continuous uninterrupted mode, the composite shielding insulation tubular bus sleeve is extruded independently and is not influenced by the gravity of a metal conductive tube, the wall thickness of the composite shielding insulation tubular bus sleeve is uniform, the composite shielding insulation tubular bus sleeve is coaxial and high in precision, the electrical insulation performance is stable and reliable, the composite shielding insulation tubular bus sleeve is produced in a prefabricated mode, the prefabricated composite shielding insulation layer can be prefabricated before project measurement and design, after the project measurement and design, the composite shielding insulation tubular bus can be rapidly manufactured by sleeving the composite shielding insulation tubular bus sleeve, the prefabricated composite shielding insulation tubular bus sleeve is slightly influenced by project conditions, the project delivery period can be greatly shortened, the material and processing cost is reduced, the consistency and the stability of the production quality are guaranteed, and large-scale and standardized production is realized.
3. The invention provides a brand new concept of a composite shielding insulation tubular bus sleeve, the composite shielding insulation tubular bus sleeve is used as a composite insulation layer of an insulation tubular bus and directly penetrates and sleeves a metal conductive tube, and then the composite shielding insulation treatment of an insulation tubular bus body can be completed, and the original backward production mode is thoroughly changed.
4. The composite shielding insulation tubular bus sleeve is formed by extruding the conductor shielding layer, the insulation layer and the insulation shielding layer through three-layer co-extrusion or single-layer independent extrusion for multiple times to form layers with uniform wall thickness, coaxiality and integration, thereby avoiding air gaps and impurities among composite insulation layer media, avoiding electric field distortion, improving the sealing property and ensuring the stable and reliable insulation performance. The composite insulating layer is a green nontoxic recyclable material, and the production, transportation, installation, maintenance and recycling processes are harmless to human bodies.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a composite shielded insulated tubular busbar casing according to one embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-conductor shielding layer, 2-insulating layer and 3-insulating shielding layer.
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.
In the description of the present invention, it is to be understood that the terms "inside-out", "peripheral wall", "coaxial", and the like, indicate an orientation or positional relationship, merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, the composite shielding insulation tubular bus sleeve of the present invention includes a composite sleeve formed by extruding from inside to outside, wherein each layer of the composite sleeve has a uniform, coaxial and integrated wall thickness and comprises a conductor shielding layer 1, an insulation layer 2 and an insulation shielding layer 3;
the insulating layer 2 is coated on the outer peripheral wall of the conductor shielding layer 1; the insulating shielding layer 3 is coated on the peripheral wall of the insulating layer 2;
the conductor shielding layer 1, the insulating layer 2 and the insulating shielding layer 3 are continuously coated and naturally cured or forcibly cured by equipment.
The conductor shielding layer 1 is made of semiconductor or conductor material.
Wherein, the insulating layer 2 is made of rubber, plastic, resin or other insulating materials.
The insulating shielding layer 3 is made of semiconductor or conductor material.
The conductor shielding layer 1, the insulating layer 2 and the insulating shielding layer 3 are extruded in a three-layer co-extrusion mode or a single-layer multi-time single extrusion mode.
The conductor shielding layer 1 and the insulating layer 2 are extruded separately in a single-layer mode or a double-layer mode, and the insulating shielding layer 3 is extruded, wrapped, sprayed or coated in other modes.
The insulating layer 2 and the insulating shielding layer 3 are extruded separately in a single-layer mode or a double-layer mode, and the conductor shielding layer 1 is extruded, wrapped, sprayed or coated in other modes.
The composite shielding insulating tubular bus sleeve is used for rapidly penetrating and sleeving a metal conductive pipe when a composite shielding insulating tubular bus is manufactured, and the production and manufacturing of the composite shielding insulating tubular bus are completed.
The conductor shielding layer 1, the insulating layer 2 and the insulating shielding layer 3 additionally comprise a grounding screen layer, a metal shielding layer and a protective layer, and the method has the advantages of multilayer co-extrusion, single-layer multiple independent extrusion, wrapping and pouring.
Example 1:
the conductor shielding layer 1 is made of a PPO semiconductive material; the insulating layer 2 is coated on the outer peripheral wall of the conductor shielding layer 1 by adopting a PPO material; the insulating shielding layer 3 is coated on the outer peripheral wall of the insulating layer 2 by adopting a PPO semiconductive material; the conductor shielding layer 1, the insulating layer 2 and the insulating shielding layer 3 are formed by extrusion of three layers to form uniform, coaxial and integrated extrusion molding of each layer; air is prevented from existing between the composite shielding insulation tubular bus sleeve media, the lamination is tight, the sealing performance is improved, and the insulation performance is guaranteed. The conductor shielding layer, the insulating layer and the insulating shielding layer are all green nontoxic recyclable materials, and the production, transportation, installation, maintenance and recycling processes are harmless to human bodies;
according to the composite shielding insulating tubular bus sleeve, the conductor shielding layer, the insulating layer and the insulating shielding layer have good bending physical properties, and the requirements of flexible production and engineering wiring are met; the traditional insulation manufacturing process of lapping, extruding and pouring the insulated tubular bus on the metal conductive tube is thoroughly optimized; the main electrical indexes including voltage-resistant level, partial discharge level and the like are greatly improved; meanwhile, continuous, uninterrupted, automatic, large-scale and standardized production is realized;
the composite shielding insulating tubular bus sleeve can be quickly processed into a composite shielding closed insulating bus by penetrating the composite shielding insulating tubular bus sleeve to the metal conductive tube, so that the threshold of the manufacturing technology of the composite shielding closed insulating bus is reduced, the production and manufacturing mode of the insulating shielding tubular bus is thoroughly changed, the product quality is greatly improved, and the production period is shortened. Will bring revolutionary progress to the insulated tubular busbar industry.
The installation mode is as follows: when the invention is used for producing the insulating tubular bus, the inner diameter of the produced composite shielding insulating tubular bus sleeve is slightly larger than the outer diameter of the metal conductive pipe, so that the sleeve can be conveniently penetrated, the composite shielding insulating tubular bus sleeve is cut, the cutting length is matched with the length of the metal conductive pipe, the heads of the two ends of the composite shielding insulating tubular bus sleeve are stripped, the stress treatment of a terminal is matched, and then the composite shielding insulating tubular bus sleeve is penetrated and sleeved on the metal conductive pipe by adopting a manual or auxiliary machine, so that the manufacture of the composite insulating layer of the insulating tubular bus body is completed
Example 2:
this example differs from example 1 in that: the conductor shielding layer 1 is made of a silicon rubber semi-conductive material; the insulating layer 2 is made of silicon rubber insulating materials and is coated on the outer peripheral wall of the conductor shielding layer 1; the insulation shielding layer 3 is coated on the outer peripheral wall of the insulation layer 2 by adopting a silicon rubber semi-conductive material; the conductor shielding layer 1, the insulating layer 2 and the insulating shielding layer 3 are extruded by each single layer of the three layers to form layers with uniform wall thickness, coaxiality and integration by extrusion molding.
Example 3:
this example differs from examples 1 and 2 in that: the conductor shielding layer 1 and the insulating layer 2 are co-extruded in two layers, and the insulating shielding layer 3 adopts any one mode of extruding, wrapping and spraying.
Example 4:
this example differs from examples 1-3 in that: insulating layer 2, insulating shield layer 3 adopt two-layer to extrude, and conductor shield layer 1 adopts including crowded package, around any kind of mode in chartered plane, spraying.
Compared with the prior art, the invention has the advantages that:
1. the composite shielding insulating tubular bus sleeve is produced without extruding along with a metal conductive tube, and adopts three-layer co-extrusion or single-layer multi-time single-extrusion composite insulating sleeve, and the composite insulating layer comprises: the conductor shielding layer, the insulating layer and the insulating shielding layer form a composite insulating sleeve with uniform wall thickness, coaxiality and integration.
2. The composite shielding insulation tubular bus sleeve is prefabricated, the existing insulation bus production mode is customized, the composite shielding insulation tubular bus sleeve is used as a composite insulation layer of an insulation tubular bus and directly penetrates and sleeves a metal conductive tube, the composite shielding insulation treatment of an insulation tubular bus body can be completed, and the original backward production mode is thoroughly changed; the composite shielding insulation tubular bus sleeve is produced in a standardized and continuous uninterrupted mode, the composite shielding insulation tubular bus sleeve is extruded independently and is not influenced by the gravity of a metal conductive tube, the wall thickness of the composite shielding insulation tubular bus sleeve is uniform, the composite shielding insulation tubular bus sleeve is coaxial and high in precision, the electrical insulation performance is stable and reliable, the composite shielding insulation tubular bus sleeve is produced in a prefabricated mode, the prefabricated composite shielding insulation layer can be prefabricated before project measurement and design, after the project measurement and design, the composite shielding insulation tubular bus can be rapidly manufactured by sleeving the composite shielding insulation tubular bus sleeve, the prefabricated composite shielding insulation tubular bus sleeve is slightly influenced by project conditions, the project delivery period can be greatly shortened, the material and processing cost is reduced, the consistency and the stability of the production quality are guaranteed, and large-scale and standardized production is realized.
3. The invention provides a brand new concept of a composite shielding insulation tubular bus sleeve, the composite shielding insulation tubular bus sleeve is used as a composite insulation layer of an insulation tubular bus and directly penetrates and sleeves a metal conductive tube, and then the composite shielding insulation treatment of an insulation tubular bus body can be completed, and the original backward production mode is thoroughly changed.
4. The composite shielding insulation tubular bus sleeve is formed by extruding the conductor shielding layer, the insulation layer and the insulation shielding layer through three-layer co-extrusion or single-layer independent extrusion for multiple times to form layers with uniform wall thickness, coaxiality and integration, thereby avoiding air gaps and impurities among composite insulation layer media, avoiding electric field distortion, improving the sealing property and ensuring the stable and reliable insulation performance. The composite insulating layer is a green nontoxic recyclable material, and the production, transportation, installation, maintenance and recycling processes are harmless to human bodies.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a compound shielding insulation tubular busbar sleeve pipe which characterized in that: the composite sleeve pipe which is formed by extruding from inside to outside and is formed by a conductor shielding layer (1), an insulating layer (2) and an insulating shielding layer (3) is adopted, wherein the wall thickness of each layer is uniform, coaxial and integrated;
the insulating layer (2) is coated on the peripheral wall of the conductor shielding layer (1); the insulating shielding layer (3) is coated on the peripheral wall of the insulating layer (2);
the conductor shielding layer (1), the insulating layer (2) and the insulating shielding layer (3) are continuously coated and naturally cured or forcibly cured by equipment.
2. The composite shielding insulating tubular busbar sleeve according to claim 1, wherein the conductor shielding layer (1) is a semiconductor or a conductor material.
3. The composite shielding insulating tubular busbar sleeve according to claim 1, wherein the insulating layer (2) is rubber, plastic, resin or other insulating material.
4. The composite shielding insulating tubular busbar sleeve according to claim 1, wherein the insulating shielding layer (3) is a semiconductor or a conductor material.
5. The composite shielding insulating tubular busbar sleeve according to claim 1, wherein the conductor shielding layer (1), the insulating layer (2) and the insulating shielding layer (3) are extruded in a three-layer co-extrusion mode or a single-layer multi-time single extrusion mode.
6. The composite shielding insulating tubular busbar sleeve according to claim 1, wherein the conductor shielding layer (1) and the insulating layer (2) are extruded separately in a single layer or in a double layer, and the insulating shielding layer (3) is extruded, wrapped, sprayed or coated in other ways.
7. The composite shielding insulating tubular bus sleeve according to claim 1, wherein the insulating layer (2) and the insulating shielding layer (3) are formed by two-layer co-extrusion or single-layer multiple independent extrusion, and the conductor shielding layer (1) is formed by extrusion, wrapping, spraying or other coating methods.
8. The composite shield insulating tubular busbar sleeve according to any one of claims 1 to 7, wherein the composite shield insulating tubular busbar sleeve is used for being rapidly inserted into a metal conductive tube during the production of the composite shield insulating tubular busbar, so that the production and the manufacture of the composite shield insulating tubular busbar are completed.
9. The composite shielding insulation tubular bus sleeve according to any one of claims 1 to 7, wherein the conductor shielding layer (1), the insulation layer (2) and the insulation shielding layer (3) additionally comprise a grounding screen layer, a metal shielding layer and a protective layer, and the composite shielding insulation tubular bus sleeve is prepared by multi-layer co-extrusion, single-layer multiple independent extrusion, wrapping and casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552185.2A CN111755149A (en) | 2020-06-17 | 2020-06-17 | Compound shielding insulation tubular bus sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552185.2A CN111755149A (en) | 2020-06-17 | 2020-06-17 | Compound shielding insulation tubular bus sleeve |
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| CN111755149A true CN111755149A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010552185.2A Pending CN111755149A (en) | 2020-06-17 | 2020-06-17 | Compound shielding insulation tubular bus sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450948A (en) * | 2021-07-19 | 2021-09-28 | 上海甲希科技有限公司 | Insulating tubular bus and insulating manufacturing method and device of insulating tubular bus |
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| CN101339824A (en) * | 2008-08-14 | 2009-01-07 | 上海西邦电气有限公司 | Composite insulating tube type bus and method for preparing the same |
| CN104900334A (en) * | 2015-05-08 | 2015-09-09 | 大连联合高分子材料有限公司 | 10-35kv insulating tubular bus and manufacturing method thereof |
| CN205544098U (en) * | 2016-03-12 | 2016-08-31 | 江苏士林电气设备有限公司 | Electrically conductive shielded -plate tube device of full insulation tubular busbar intermediate head of prefabricated formula high pressure |
| CN206505771U (en) * | 2016-08-31 | 2017-09-19 | 李春友 | A kind of New insulated tube type bus |
| CN108624036A (en) * | 2018-05-03 | 2018-10-09 | 大连联合高分子材料有限公司 | Connection cross-linking type multi-layer composition and its shielding cylinder of preparation among tube type bus |
| CN109767873A (en) * | 2019-01-15 | 2019-05-17 | 北京中良恒通科技有限公司 | A kind of 35kv and New insulated tube type bus below and its manufacture craft |
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2020
- 2020-06-17 CN CN202010552185.2A patent/CN111755149A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339824A (en) * | 2008-08-14 | 2009-01-07 | 上海西邦电气有限公司 | Composite insulating tube type bus and method for preparing the same |
| CN104900334A (en) * | 2015-05-08 | 2015-09-09 | 大连联合高分子材料有限公司 | 10-35kv insulating tubular bus and manufacturing method thereof |
| CN205544098U (en) * | 2016-03-12 | 2016-08-31 | 江苏士林电气设备有限公司 | Electrically conductive shielded -plate tube device of full insulation tubular busbar intermediate head of prefabricated formula high pressure |
| CN206505771U (en) * | 2016-08-31 | 2017-09-19 | 李春友 | A kind of New insulated tube type bus |
| CN108624036A (en) * | 2018-05-03 | 2018-10-09 | 大连联合高分子材料有限公司 | Connection cross-linking type multi-layer composition and its shielding cylinder of preparation among tube type bus |
| CN109767873A (en) * | 2019-01-15 | 2019-05-17 | 北京中良恒通科技有限公司 | A kind of 35kv and New insulated tube type bus below and its manufacture craft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450948A (en) * | 2021-07-19 | 2021-09-28 | 上海甲希科技有限公司 | Insulating tubular bus and insulating manufacturing method and device of insulating tubular bus |
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Application publication date: 20201009 |