CN113506661A - Insulating connecting piece of overhead line split conductor current circulation ice-melt system - Google Patents
Insulating connecting piece of overhead line split conductor current circulation ice-melt system Download PDFInfo
- Publication number
- CN113506661A CN113506661A CN202110759963.XA CN202110759963A CN113506661A CN 113506661 A CN113506661 A CN 113506661A CN 202110759963 A CN202110759963 A CN 202110759963A CN 113506661 A CN113506661 A CN 113506661A
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- Prior art keywords
- connector
- mounting groove
- insulating
- connecting piece
- overhead line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/66—Joining insulating bodies together, e.g. by bonding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Electromagnets (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention provides an insulating connecting piece of an overhead line split conductor current circulating ice melting system, which comprises a permanent magnet mechanism, a vacuum circuit breaker and an insulating connecting piece, wherein the permanent magnet mechanism is arranged on the insulating connecting piece; the permanent magnet mechanism and the vacuum circuit breaker are connected through the insulating connecting piece to form a vertical installation structure, and the vertical arrangement mechanism can be formed between the permanent magnet mechanism and the vacuum circuit breaker in the ice melting system, so that the volume and the weight of the system are reduced, the insulating property between the permanent magnet mechanism and the vacuum circuit breaker in the repeated action process of the permanent magnet mechanism can be effectively ensured, and the electric insulation requirement of the whole system is met.
Description
Technical Field
The invention relates to an ice melting system, in particular to an insulated connecting piece of an overhead line split conductor current circulating ice melting system.
Background
The ice coating of the power transmission line seriously jeopardizes the safe operation of the power grid, the split conductor current circulating intelligent ice melting device can temporarily enable the current of a single split conductor to reach or even exceed the critical ice melting current through intelligently breaking the split conductor of the line, and the ice melting of the split conductor can be realized by sequentially circulating four single split conductors.
The split conductor current circulation intelligent ice melting device is internally provided with a vacuum circuit breaker and a permanent magnet mechanism and is used for controlling the on-off of an ice melting current loop between split conductors, in the prior art, a movable iron core of the permanent magnet mechanism and a movable contact of the vacuum circuit breaker are connected in a mechanical connecting rod mode, and the structure has the following defects: the existing structure is large in size and weight, a severe load is applied to an overhead line, a split conductor is easily damaged, in order to reduce the size and weight of the whole system, a vertical installation mode is selected in an optimal mode, namely a permanent magnet mechanism and a vacuum circuit breaker form an upper structure and a lower structure, however, a mechanical connecting rod can meet the insulation requirement under the existing structure, but the mechanical strength cannot be guaranteed under the action of high-strength instantaneous impact of a movable iron core of the permanent magnet mechanism, and the problems of breakage, wire sliding and the like of an insulation part (a PEEK material with good mechanical property) of the mechanical connecting rod are easily caused.
Therefore, in order to solve the above technical problems, it is necessary to provide a new technical means.
Disclosure of Invention
In view of the above, the present invention provides an insulating connecting member for an overhead line split conductor current circulation ice melting system, which can form a vertical arrangement mechanism between a permanent magnet mechanism and a vacuum circuit breaker in the ice melting system, so as to reduce the volume and weight of the system, and can effectively ensure the insulating property between the permanent magnet mechanism and the vacuum circuit breaker in the repeated action process of the permanent magnet mechanism, thereby satisfying the electrical insulation requirement of the whole system.
The invention provides an insulated connecting piece of an overhead line split conductor current circulating ice melting system, which comprises an insulated body, an upper connector and a lower connector;
go up the connector and set up in insulator with the mode of part embedding and go up the axial centerline collineation of connector and lower connector down with the connector, go up the connector and arrange in insulator's upper and lower both sides with lower connector branch, go up the coaxial fixed connection of movable iron core of connector and permanent magnetic mechanism, connector and vacuum circuit breaker's moving contact fixed connection down.
Furthermore, the upper surface of the insulating body sinks to form an upper mounting groove, and the lower surface of the insulating body sinks to form a lower mounting groove;
the sections of the upper mounting groove and the lower mounting groove are of T-shaped structures;
the lower end part of the upper connector is an embedded part and is matched with the upper mounting groove in a form-fitting manner;
the upper end part of the lower connector is an embedded part and is matched with the lower mounting groove in a form-fitting manner.
Furthermore, the insulation body is also provided with a mounting hole, the mounting hole is used for communicating the upper mounting groove with the lower mounting groove, and the axis of the mounting hole is respectively vertical to the bottoms of the upper mounting groove and the lower mounting groove;
the mounting hole is internally provided with an insulating connecting column, the upper end of the insulating connecting column is fixedly connected with the end part of the lower end of the upper connector, and the lower end of the insulating connecting column is fixedly connected with the end part of the upper end of the lower connector.
Further, insulating spliced pole, upper connector and lower connector axis collineation.
Furthermore, the lower end face of the upper connector sinks to form a first connecting hole, the lower end face of the lower connector sinks to form a second connecting hole, and the two ends of the insulating connecting column are fixedly connected with the first connecting hole and the second connecting hole respectively.
Furthermore, the insulating connecting column is fixedly connected with the first connecting hole and the second connecting hole in a threaded connection mode.
The invention has the beneficial effects that: according to the invention, a vertical arrangement mechanism can be formed between the permanent magnet mechanism and the vacuum circuit breaker in the ice melting system, so that the volume and the weight of the system are reduced, and the insulation performance between the permanent magnet mechanism and the vacuum circuit breaker in the repeated action process of the permanent magnet mechanism can be effectively ensured, thereby meeting the electrical insulation requirement of the whole system.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the insulating connector of the present invention.
Fig. 3 is a schematic structural diagram of the insulating body according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings of the specification:
the invention provides an insulated connecting piece of an overhead line split conductor current circulating ice melting system, which comprises an insulated body 22, an upper connector 21 and a lower connector 25;
the upper connector 21 and the lower connector 25 are arranged in the insulating body 22 in a partially embedded mode, the axial center lines of the upper connector and the lower connector are collinear, the upper connector 21 and the lower connector 25 are respectively arranged on the upper side and the lower side of the insulating body 22, the upper connector 21 is coaxially and fixedly connected with the movable iron core 11 of the permanent magnet mechanism 1, the lower connector 25 is fixedly connected with the movable contact 31 of the vacuum circuit breaker 3, the fixed connection can be realized in a threaded mode, a welding mode and the like, the threaded connection is optimized, and the disassembly and the assembly are convenient; can realize forming the mechanism of arranging of vertical direction between the permanent magnetism mechanism in the ice-melt system and the vacuum circuit breaker to reduce the volume and the weight of system, and can effectively ensure the insulating properties between permanent magnetism mechanism and the vacuum circuit breaker in the permanent magnetism mechanism action repeatedly in-process, thereby satisfy entire system's electrical insulation requirement, through above-mentioned structure, can satisfy the insulating properties after the permanent magnetism mechanism strikes when repeatedly moving, and can ensure entire system's connection stability, thereby provide the guarantee for vacuum circuit breaker's accurate control.
In this embodiment, the upper surface of the insulating body 22 sinks to form an upper mounting groove 23, and the lower surface of the insulating body 22 sinks to form a lower mounting groove 26;
the sections of the upper mounting groove and the lower mounting groove are of T-shaped structures;
the lower end part of the upper connector 21 is an embedded part and is matched with the upper mounting groove in a form-fitting manner;
the upper end part of the lower connector 25 is an embedded part and is matched with the lower mounting groove in a form-fitting manner; through the structure, the self stability of the whole insulating connecting piece can be ensured, so that the permanent magnet mechanism can accurately control the vacuum circuit breaker.
In this embodiment, the insulating body 22 is further provided with a mounting hole 27, the mounting hole 27 communicates the upper mounting groove 23 with the lower mounting groove 26, and the axis of the mounting hole is perpendicular to the bottoms of the upper mounting groove and the lower mounting groove respectively;
an insulating connecting column 24 is arranged in the mounting hole 27, the upper end of the insulating connecting column 24 is fixedly connected with the end part of the lower end of the upper connector, and the lower end of the insulating connecting column is fixedly connected with the end part of the upper end of the lower connector.
The axes of the insulating connecting column 24, the upper connector 21 and the lower connector 25 are collinear. Through the structure, the movable contact of the vacuum circuit breaker can be always acted on the insulating connecting column vertically when the movable iron core of the permanent magnetic mechanism acts, so that the acting force deviation under the influence of the self vibration of the permanent magnetic mechanism is effectively prevented, and the control stability is ensured.
In this embodiment, the lower end surface of the upper connector 21 sinks to form a first connection hole 28, the lower end surface of the lower connector 25 sinks to form a second connection hole 29, and two ends of the insulating connection column 24 are respectively and fixedly connected to the first connection hole 28 and the second connection hole 29; specifically, the method comprises the following steps: further, insulating spliced pole adopts threaded connection's mode fixed connection with first connecting hole and second connecting hole, through this kind of structure, at first can make things convenient for the installation of whole insulating connecting piece self, ensures the stability of self structure, and insulating spliced pole is whole all to be screw-thread machine moreover to guarantee stability, more importantly: the structure of the screw thread can effectively prevent the action of the vacuum circuit breaker from being inaccurately controlled due to the deviation of acting force caused by the vibration of the permanent magnet mechanism and other factors.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides an insulated connecting piece of overhead line split conductor current circulation ice-melt system which characterized in that:
the insulating connecting piece comprises an insulating body, an upper connector and a lower connector;
go up the connector and set up in insulator with the mode of part embedding and go up the axial centerline collineation of connector and lower connector down with the connector, go up the connector and arrange in insulator's upper and lower both sides with lower connector branch, go up the coaxial fixed connection of movable iron core of connector and permanent magnetic mechanism, connector and vacuum circuit breaker's moving contact fixed connection down.
2. The insulated connecting piece of the overhead line split conductor current circulation deicing system according to claim 1, characterized in that: the upper surface of the insulating body sinks to form an upper mounting groove, and the lower surface of the insulating body sinks to form a lower mounting groove;
the sections of the upper mounting groove and the lower mounting groove are of T-shaped structures;
the lower end part of the upper connector is an embedded part and is matched with the upper mounting groove in a form-fitting manner;
the upper end part of the lower connector is an embedded part and is matched with the lower mounting groove in a form-fitting manner.
3. The insulated connecting piece of the overhead line split conductor current circulation deicing system according to claim 2, characterized in that: the insulating body is also provided with a mounting hole which communicates the upper mounting groove with the lower mounting groove, and the axis of the mounting hole is respectively vertical to the bottoms of the upper mounting groove and the lower mounting groove;
the mounting hole is internally provided with an insulating connecting column, the upper end of the insulating connecting column is fixedly connected with the end part of the lower end of the upper connector, and the lower end of the insulating connecting column is fixedly connected with the end part of the upper end of the lower connector.
4. The insulated connecting piece of the overhead line split conductor current circulation deicing system according to claim 3, characterized in that: insulating spliced pole, upper connector and lower connector axis collineation.
5. The insulated connecting piece of the overhead line split conductor current circulation deicing system according to claim 3, characterized in that: the lower end face of the upper connector sinks to form a first connecting hole, the lower end face of the lower connector sinks to form a second connecting hole, and the two ends of the insulating connecting column are fixedly connected with the first connecting hole and the second connecting hole respectively.
6. The insulated connecting piece of the overhead line split conductor current circulation deicing system according to claim 5, characterized in that: the insulating connecting column is fixedly connected with the first connecting hole and the second connecting hole in a threaded connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110759963.XA CN113506661B (en) | 2021-07-05 | 2021-07-05 | Insulating connecting piece of overhead line split conductor current circulation ice-melt system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110759963.XA CN113506661B (en) | 2021-07-05 | 2021-07-05 | Insulating connecting piece of overhead line split conductor current circulation ice-melt system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113506661A true CN113506661A (en) | 2021-10-15 |
| CN113506661B CN113506661B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110759963.XA Active CN113506661B (en) | 2021-07-05 | 2021-07-05 | Insulating connecting piece of overhead line split conductor current circulation ice-melt system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203351494U (en) * | 2013-07-08 | 2013-12-18 | 四川汇友电气有限公司 | Vacuum circuit breaker with permanent magnetic mechanism |
| CN103956701A (en) * | 2014-04-29 | 2014-07-30 | 刘化交 | Multifunctional charged intelligent ice melting system |
| CN104347310A (en) * | 2014-08-22 | 2015-02-11 | 重庆大学 | Permanent magnet spring mechanism switch of divided conductor power transmission line ice melting device |
| CN205452158U (en) * | 2016-03-29 | 2016-08-10 | 国网黑龙江省电力有限公司鹤岗供电公司 | Intelligent quick permanent magnetism vacuum circuit breaker |
-
2021
- 2021-07-05 CN CN202110759963.XA patent/CN113506661B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203351494U (en) * | 2013-07-08 | 2013-12-18 | 四川汇友电气有限公司 | Vacuum circuit breaker with permanent magnetic mechanism |
| CN103956701A (en) * | 2014-04-29 | 2014-07-30 | 刘化交 | Multifunctional charged intelligent ice melting system |
| CN104347310A (en) * | 2014-08-22 | 2015-02-11 | 重庆大学 | Permanent magnet spring mechanism switch of divided conductor power transmission line ice melting device |
| CN205452158U (en) * | 2016-03-29 | 2016-08-10 | 国网黑龙江省电力有限公司鹤岗供电公司 | Intelligent quick permanent magnetism vacuum circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN113506661B (en) | 2023-03-21 |
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