CN113793773A - Solid-sealed polar pole and vacuum recloser - Google Patents
Solid-sealed polar pole and vacuum recloser Download PDFInfo
- Publication number
- CN113793773A CN113793773A CN202111075322.9A CN202111075322A CN113793773A CN 113793773 A CN113793773 A CN 113793773A CN 202111075322 A CN202111075322 A CN 202111075322A CN 113793773 A CN113793773 A CN 113793773A
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- CN
- China
- Prior art keywords
- assembly
- voltage
- outgoing line
- shell
- pole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01H33/6606—Terminal arrangements
-
- 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
Abstract
The invention discloses a solid-sealed polar pole, which comprises: the arc extinguishing chamber comprises a shell, an incoming line conductor assembly, a vacuum arc extinguishing chamber assembly, an outgoing line conductor assembly and an insulating pull rod assembly; the wire inlet conductor assembly is arranged in the horizontal direction, one end of the wire inlet conductor assembly, which is positioned in the shell, is respectively connected with the top of the vacuum arc extinguish chamber assembly 7 and the wire outlet conductor assembly, and one end of the wire inlet conductor assembly, which is positioned outside the shell, is provided with a high-voltage wire inlet end; the vacuum arc extinguishing chamber assembly is arranged in the vertical direction, and the bottom of the vacuum arc extinguishing chamber assembly is respectively connected with the outgoing line conductor assembly and the insulating pull rod assembly; the outlet conductor component is arranged in the horizontal direction, and one end of the outlet conductor component, which is positioned outside the shell, is provided with a high-voltage outlet end. By adopting the Z-shaped structure, the high-voltage incoming line is horizontally led in, the high-voltage outgoing line is horizontally led out, the vacuum recloser is suitable for being directly installed and used in an occasion with limited installation space above, the defect that an L-shaped incoming and outgoing line application place is limited in the prior art is overcome, the problem that the vacuum recloser cannot be directly installed and used when the installation space is limited is solved, and the application range of the vacuum recloser is enlarged.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a solid-sealed polar pole and a vacuum recloser.
Background
At present, the 24kV outdoor vacuum recloser is provided with a plurality of three-phase support columns and L-shaped inlet and outlet wires at home, and external voltage transformers and external current transformers are adopted for voltage and current sampling. The whole set of equipment is large in size and high in manufacturing cost, and cannot meet the situation that the upper installation space is limited. The prior art lacks a small-sized, low-cost embedded pole which can be installed and used in the place with limited upper installation space.
The existing domestic 24kV outdoor vacuum recloser is mainly provided with L-shaped inlet and outlet poles, and external voltage transformers and external current transformers are adopted for voltage and current sampling. The existing embedded pole for other voltage-class outdoor vacuum circuit breakers has an example that built-in voltage sensors are adopted on a wire inlet side and a wire outlet side, the built-in voltage sensors on the wire inlet side and the built-in voltage sensors on the wire outlet side are both placed on the wire outlet side, and the built-in voltage sensors on the wire inlet side lead the voltage on the wire inlet side to the wire outlet side through metal leads.
Because the voltage transformer and the current transformer are arranged externally, the prior art is large in size and high in manufacturing cost. Because the vertical incoming line and the horizontal outgoing line form an L shape, the high-voltage incoming line needs to be led in from the vertical upper part or the oblique upper part, and the high-voltage incoming line cannot be directly installed and used on the occasions with limited installation space above. The voltage sensor at the wire inlet side is arranged at the wire outlet side, so that the voltage sensor can bear stronger fracture voltage at the wire outlet side in an opening state besides the voltage relative to ground in a closing state, and the nonuniform coefficient of an electric field is larger; the high-voltage lead wire is used, so that the positioning and fixing are unstable during pouring, the pouring quality is poor, and a discharge air gap is easy to generate.
Disclosure of Invention
The embodiment of the invention aims to provide an embedded pole and a vacuum recloser, wherein a Z-shaped structure is adopted, a high-voltage incoming line is horizontally led in, a high-voltage outgoing line is horizontally led out, the embedded pole and the vacuum recloser are suitable for being directly installed and used in an occasion with limited installation space above, the defect that an L-shaped incoming and outgoing line application place in the prior art is limited is overcome, the problem that a 24kV outdoor vacuum recloser cannot be directly installed and used in the occasion with limited installation space above is solved, and the application range of the vacuum recloser is enlarged.
In order to solve the above technical problem, a first aspect of an embodiment of the present invention provides an embedded pole, including: the arc extinguishing chamber comprises a shell, an incoming line conductor assembly, a vacuum arc extinguishing chamber assembly, an outgoing line conductor assembly and an insulating pull rod assembly;
the wire inlet conductor assembly is arranged in the horizontal direction, one end of the wire inlet conductor assembly, which is positioned in the shell, is respectively connected with the top of the vacuum arc extinguishing chamber assembly and the wire outlet conductor assembly, and one end of the wire inlet conductor assembly, which is positioned outside the shell, is provided with a high-voltage wire inlet end;
the vacuum arc extinguishing chamber assembly is arranged in the vertical direction, and the bottom of the vacuum arc extinguishing chamber assembly is respectively connected with the outgoing line conductor assembly and the insulating pull rod assembly;
the outlet conductor assembly is arranged in the horizontal direction, and a high-voltage outlet end is arranged at one end of the outlet conductor assembly, which is positioned outside the shell.
Further, the embedded pole further comprises: an incoming line voltage sensor assembly and/or an outgoing line voltage sensor assembly;
the incoming line voltage sensor assembly is positioned in the shell and is fixedly connected with one end, far away from the high-voltage incoming line end, of the incoming line conductor assembly;
the outgoing line voltage sensor assembly is located inside the shell and fixedly connected with one end, far away from the high-voltage outgoing line end, of the outgoing line conductor assembly.
Further, the incoming line voltage sensor assembly includes: a ceramic material high voltage capacitor;
the outgoing line voltage sensor assembly comprises: ceramic material high voltage capacitors.
Further, the embedded pole also comprises: a rogowski coil current sensor assembly;
the Rogowski coil current sensor assembly and the outgoing line conductor assembly are coaxially arranged.
Further, the insulated draw bar assembly includes: and the SMC insulating rod and the high-strength steel joint are fixedly connected.
Furthermore, a moving contact of the vacuum arc extinguishing chamber assembly is fixedly connected with a joint of the insulating pull rod assembly, and a static contact of the vacuum arc extinguishing chamber assembly is fixedly connected with the incoming line conductor assembly.
Further, the vacuum interrupter assembly includes: a vacuum arc-extinguishing chamber wrapped by a silicon rubber sleeve.
Further, the shell is made of recyclable epoxy resin materials.
Correspondingly, a second aspect of the embodiment of the invention provides a vacuum recloser, which includes any one of the embedded poles.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
by adopting the Z-shaped structure, the high-voltage incoming line is horizontally led in, the high-voltage outgoing line is horizontally led out, the vacuum recloser is suitable for being directly installed and used in the occasions with limited upper installation space, the defect that the application places of the L-shaped incoming and outgoing lines in the prior art are limited is overcome, the problem that the 24kV outdoor vacuum recloser cannot be directly installed and used in the occasions with limited upper installation space is solved, and the application range of the vacuum recloser is enlarged.
Drawings
Fig. 1 is a sectional view of a solid-sealed pole provided in an embodiment of the present invention;
fig. 2 is a perspective view of the embedded pole provided in the embodiment of the present invention.
Reference numerals:
1. the device comprises an incoming line conductor assembly, a 2 incoming line voltage sensor assembly, a 3 Rogowski coil current sensor assembly, a 4 outgoing line conductor assembly, a 5 insulating pull rod assembly, a 6 outgoing line voltage sensor assembly, a 7 vacuum arc extinguishing chamber assembly, a 8 shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 and fig. 2, a first aspect of an embodiment of the present invention provides an embedded pole, including: the device comprises a shell 8, an incoming line conductor assembly 1, a vacuum arc extinguish chamber assembly 7, an outgoing line conductor assembly 4 and an insulating pull rod assembly 5; the wire inlet conductor assembly 1 is arranged in the horizontal direction, one end of the wire inlet conductor assembly located inside the shell 8 is respectively connected with the top of the vacuum arc extinguish chamber assembly 7 and the wire outlet conductor assembly 4, and one end of the wire inlet conductor assembly located outside the shell 8 is provided with a high-voltage wire inlet end; the vacuum arc extinguish chamber component 7 is arranged in the vertical direction, and the bottom of the vacuum arc extinguish chamber component is respectively connected with the outgoing line conductor component 4 and the insulating pull rod component 5; the outgoing conductor component 4 is arranged in the horizontal direction, and one end of the outgoing conductor component located outside the shell 8 is provided with a high-voltage outgoing end.
Because the incoming line conductor assembly 1 is horizontally arranged and is Z-shaped with the vacuum arc extinguish chamber assembly 7 and the outgoing line conductor assembly 4 integrally, when the technical scheme is applied, the high-voltage incoming line can be horizontally led in, and the high-voltage outgoing line can be horizontally led out, so that the high-voltage outgoing line is suitable for being directly installed and used in occasions with limited upper installation space. The defect that the application place of the L-shaped incoming and outgoing line is limited in the prior art is overcome.
Further, the embedded pole also comprises: the incoming line voltage sensor assembly 2 and/or the outgoing line voltage sensor assembly 6; the incoming line voltage sensor assembly 2 is positioned in the shell 8 and is fixedly connected with one end, far away from the high-voltage incoming line end, of the incoming line conductor assembly 1; the outgoing line voltage sensor assembly 6 is located inside the shell 8 and is fixedly connected with one end, far away from the high-voltage outgoing line end, of the outgoing line conductor assembly 4.
Because the incoming line conductor assembly 1 is horizontally arranged and is Z-shaped with the vacuum arc extinguish chamber assembly 7 and the outgoing line conductor assembly 4 integrally, when the technical scheme is applied, the high-voltage incoming line can be horizontally led in, and the high-voltage outgoing line can be horizontally led out, so that the high-voltage outgoing line is suitable for being directly installed and used in occasions with limited upper installation space. The defect that the application place of the L-shaped incoming and outgoing line is limited in the prior art is overcome.
The incoming line voltage sensor assembly 2 and the outgoing line voltage sensor assembly 6 are respectively fixed on the incoming line conductor assembly 1 and the outgoing line conductor assembly 4 through threads, so that an electric field can be uniform, the incoming line voltage sensor assembly 2 only bears the voltage to earth no matter in a switching-off state or a switching-on state, and the pouring is convenient to fix and position, so that the pouring quality can be improved.
Specifically, the incoming line conductor assembly 1 is connected with the high-voltage incoming line and vacuum arc extinguish chamber assembly 7 and the fixed incoming line voltage sensor assembly 2, and plays roles of fixing, connecting and conducting; the incoming line conductor assembly 1 is formed by processing metal materials such as copper bars and the like, and is connected and fixed with the vacuum arc-extinguishing chamber assembly 7 and the incoming line voltage sensor assembly 2 through threads.
Specifically, the incoming line voltage sensor assembly 2 is fixed on the incoming line conductor assembly 1 and used for acquiring incoming line voltage signals; the incoming line voltage sensor assembly 2 uses a ceramic material high-voltage capacitor and adopts a capacitor voltage division principle to perform voltage sampling.
Specifically, the outgoing conductor component 4 is connected with a high-voltage outgoing line and a vacuum arc extinguish chamber component 7, and an outgoing line voltage sensor component 6 is fixed to play roles of fixing, connecting and conducting; the outgoing line conductor component 4 is made of metal materials such as copper through casting and processing, and the outgoing line voltage sensor component 6 is fixed through threads.
Further, the incoming line voltage sensor assembly 2 comprises: a ceramic material high voltage capacitor; the outlet line voltage sensor assembly 6 includes: ceramic material high voltage capacitors.
The outgoing line voltage sensor assembly 6 is fixed on the outgoing line conductor assembly 4 and used for collecting outgoing line voltage signals; the outgoing line voltage sensor assembly 6 uses a ceramic material high-voltage capacitor and adopts a capacitor voltage division principle to perform voltage sampling.
Further, the embedded pole also comprises: a rogowski coil current sensor assembly 3; the Rogowski coil current sensor assembly 3 and the outgoing conductor assembly 4 are coaxially arranged.
The Rogowski coil current sensor component 3 and the outgoing conductor component 4 are coaxially arranged and used for acquiring current signals; the Rogowski coil current sensor assembly 3 is formed by winding a circular non-magnetic-conductive material framework and a copper wire, and converts small-signal current analog quantity into a digital signal through an AD conversion circuit and an integrator and sends the digital signal out.
Because the ceramic capacitance type incoming line voltage sensor assembly 2, the ceramic capacitance type outgoing line voltage sensor assembly 6 and the Rogowski coil type current sensor assembly 3 which are arranged in the solid-sealed polar pole are small in size and low in cost relative to an external electromagnetic voltage transformer and an external current transformer, compared with the prior art, the technical scheme is small in number of parts, small in overall size and low in complete cost.
Further, the insulated draw bar assembly 5 includes: and the SMC insulating rod and the high-strength steel joint are fixedly connected. The insulating pull rod assembly 5 is used for connecting the operating mechanism and the vacuum arc extinguish chamber assembly 7 and plays a role in transmission and insulation; the insulating pull rod assembly 5 is formed by gluing and pouring an SMC insulating rod and a high-strength steel joint.
Furthermore, a moving contact of the vacuum arc extinguish chamber component 7 is fixedly connected with a joint of the insulating pull rod component 5, and a static contact of the vacuum arc extinguish chamber component is fixedly connected with the incoming line conductor component 1.
The vacuum arc extinguish chamber assembly 7 is fixed between the incoming line conductor assembly 1 and the outgoing line conductor assembly 4 and is connected with the insulating pull rod assembly 5 through threads. The functions of conduction, insulation and switching are realized; the vacuum arc extinguish chamber component 7 is made of a vacuum arc extinguish chamber wrapped by a silicon rubber sleeve, a moving contact of the vacuum arc extinguish chamber component is fastened with a joint of the insulating pull rod component 5, and a static contact of the vacuum arc extinguish chamber component is fastened with the incoming line conductor component 1. The vacuum arc-extinguishing chamber assembly 7 uses a miniaturized and lightweight vacuum arc-extinguishing chamber.
Further, the vacuum interrupter assembly 7 includes: a vacuum arc-extinguishing chamber wrapped by a silicon rubber sleeve.
Further, the housing 8 is a recyclable epoxy material. The recyclable epoxy resin of the shell 8 is positioned through a die and an APG process, and fixedly seals the incoming conductor assembly 1, the outgoing conductor assembly 4, the vacuum arc-extinguishing chamber assembly 7, the insulating pull rod assembly 5, the incoming voltage sensor assembly 2, the outgoing voltage sensor assembly 6 and the Rogowski coil current sensor assembly 3, so that the fixing and insulating functions are achieved. The epoxy resin 8 is made of recyclable materials, and meets the increasingly severe environmental protection requirements.
Correspondingly, a second aspect of the embodiments of the present invention provides a vacuum recloser, including any of the above-mentioned embedded poles.
The embodiment of the invention aims to protect an embedded pole, which comprises: the arc extinguishing chamber comprises a shell, an incoming line conductor assembly, a vacuum arc extinguishing chamber assembly, an outgoing line conductor assembly and an insulating pull rod assembly; the wire inlet conductor assembly is arranged in the horizontal direction, one end of the wire inlet conductor assembly, which is positioned in the shell, is respectively connected with the top of the vacuum arc extinguish chamber assembly 7 and the wire outlet conductor assembly, and one end of the wire inlet conductor assembly, which is positioned outside the shell, is provided with a high-voltage wire inlet end; the vacuum arc extinguishing chamber assembly is arranged in the vertical direction, and the bottom of the vacuum arc extinguishing chamber assembly is respectively connected with the outgoing line conductor assembly and the insulating pull rod assembly; the outlet conductor component is arranged in the horizontal direction, and one end of the outlet conductor component, which is positioned outside the shell, is provided with a high-voltage outlet end. The technical scheme has the following effects:
by adopting the Z-shaped structure, the high-voltage incoming line is horizontally led in, the high-voltage outgoing line is horizontally led out, the vacuum recloser is suitable for being directly installed and used in the occasions with limited upper installation space, the defect that the application places of the L-shaped incoming and outgoing lines in the prior art are limited is overcome, the problem that the 24kV outdoor vacuum recloser cannot be directly installed and used in the occasions with limited upper installation space is solved, and the application range of the vacuum recloser is enlarged.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides an embedded pole which characterized in that includes: the arc extinguishing device comprises a shell (8), an incoming line conductor assembly (1), a vacuum arc extinguishing chamber assembly (7), an outgoing line conductor assembly (4) and an insulating pull rod assembly (5);
the incoming line conductor assembly (1) is arranged in the horizontal direction, one end of the incoming line conductor assembly (1) located inside the shell (8) is respectively connected with the top of the vacuum arc-extinguishing chamber assembly (7) and the outgoing line conductor assembly (4), and one end of the incoming line conductor assembly located outside the shell (8) is provided with a high-voltage incoming line end;
the vacuum arc-extinguishing chamber assembly (7) is arranged in the vertical direction, and the bottom of the vacuum arc-extinguishing chamber assembly is respectively connected with the outgoing line conductor assembly (4) and the insulating pull rod assembly (5);
the outgoing line conductor assembly (4) is arranged in the horizontal direction, and a high-voltage outgoing line end is arranged at one end, located outside the shell (8), of the outgoing line conductor assembly.
2. The embedded pole of claim 1, further comprising: an incoming line voltage sensor assembly (2) and/or an outgoing line voltage sensor assembly (6);
the incoming line voltage sensor assembly (2) is positioned in the shell (8) and is fixedly connected with one end, far away from the high-voltage incoming line end, of the incoming line conductor assembly (1);
the outgoing line voltage sensor assembly (6) is located inside the shell (8) and is fixedly connected with one end, far away from the high-voltage outgoing line end, of the outgoing line conductor assembly (4).
3. The embedded pole of claim 2, wherein the embedded pole is a hollow pole,
the incoming line voltage sensor assembly (2) comprises: a ceramic material high voltage capacitor;
the outlet line voltage sensor assembly (6) comprises: ceramic material high voltage capacitors.
4. The embedded pole of claim 1, further comprising: a Rogowski coil current sensor assembly (3);
the Rogowski coil current sensor assembly (3) and the outgoing line conductor assembly (4) are coaxially arranged.
5. The embedded pole of claim 4, wherein the embedded pole is a hollow pole,
the rogowski coil current sensor (3) assembly comprises: a circular non-magnetic-conductive material framework.
6. The embedded pole of claim 1, wherein the embedded pole is a hollow pole,
the insulated draw bar assembly (5) comprises: and the SMC insulating rod and the high-strength steel joint are fixedly connected.
7. The embedded pole of claim 1, wherein the embedded pole is a hollow pole,
and a moving contact of the vacuum arc extinguishing chamber component (7) is fixedly connected with a joint of the insulating pull rod component (5), and a static contact of the vacuum arc extinguishing chamber component is fixedly connected with the incoming line conductor component (1).
8. The embedded pole of claim 1, wherein the embedded pole is a hollow pole,
the vacuum interrupter chamber assembly (7) comprises: a vacuum arc-extinguishing chamber wrapped by a silicon rubber sleeve.
9. The embedded pole according to any one of claims 1 to 8, wherein,
the shell (8) is made of recyclable epoxy resin material.
10. A vacuum recloser, comprising the encapsulated pole of any of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075322.9A CN113793773A (en) | 2021-09-14 | 2021-09-14 | Solid-sealed polar pole and vacuum recloser |
| PCT/CN2021/126387 WO2023040002A1 (en) | 2021-09-14 | 2021-10-26 | Embedded pole and vacuum recloser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075322.9A CN113793773A (en) | 2021-09-14 | 2021-09-14 | Solid-sealed polar pole and vacuum recloser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113793773A true CN113793773A (en) | 2021-12-14 |
Family
ID=78880205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111075322.9A Pending CN113793773A (en) | 2021-09-14 | 2021-09-14 | Solid-sealed polar pole and vacuum recloser |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113793773A (en) |
| WO (1) | WO2023040002A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116148521B (en) * | 2023-04-14 | 2023-07-14 | 烟台东方威思顿电气有限公司 | High-voltage metering device and depth fusion type polar column |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7910852B2 (en) * | 2008-02-07 | 2011-03-22 | Eaton Corporation | Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same |
| CN201514889U (en) * | 2009-09-27 | 2010-06-23 | 长沙智通电力设备有限公司 | Terminal post enclosed in arc extinguish chamber for vacuum circuit breaker |
| CN203456369U (en) * | 2013-09-13 | 2014-02-26 | 辽宁隆发电气设备有限公司 | Fixedly-sealed type vacuum circuit breaker |
| CN103944096B (en) * | 2014-03-12 | 2017-02-15 | 库柏爱迪生(平顶山)电子科技有限公司 | Outdoor pole top switch platform with zero-potential surface layer solid-sealed polar poles |
| CN110970259A (en) * | 2019-12-27 | 2020-04-07 | 麦克奥迪(厦门)机电科技有限公司 | Outdoor post uses one secondary to fuse solid utmost point post and gets electric installation |
| CN112185752B (en) * | 2020-09-28 | 2022-08-12 | 许继集团有限公司 | Solid-sealed polar pole |
-
2021
- 2021-09-14 CN CN202111075322.9A patent/CN113793773A/en active Pending
- 2021-10-26 WO PCT/CN2021/126387 patent/WO2023040002A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023040002A1 (en) | 2023-03-23 |
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