CN114628171B - High-voltage switchgear and conductor for high-voltage equipment - Google Patents
High-voltage switchgear and conductor for high-voltage equipment Download PDFInfo
- Publication number
- CN114628171B CN114628171B CN202011437494.1A CN202011437494A CN114628171B CN 114628171 B CN114628171 B CN 114628171B CN 202011437494 A CN202011437494 A CN 202011437494A CN 114628171 B CN114628171 B CN 114628171B
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- voltage equipment
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- 239000004020 conductor Substances 0.000 title claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 9
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000005684 electric field Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/38—Plug-and-socket contacts
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a high-voltage switchgear and a conductor for the high-voltage switchgear. The conductor for the high-voltage equipment comprises an upper inserting section and a foreign matter collecting section, wherein the foreign matter collecting section is positioned at the lower side of the upper inserting section, a collecting groove with an opening facing to the upper contact seat is arranged on the foreign matter collecting section, and the collecting groove is used for collecting foreign matters generated by friction between the upper inserting section and the upper contact seat. The foreign matter collecting section of the conductor for the high-voltage equipment is provided with the collecting groove, the notch of the collecting groove faces the upper contact seat, foreign matters generated by friction between the upper inserting section and the upper contact seat enter the collecting groove, the foreign matters are not easy to move in the high-voltage equipment under the action of the collecting groove, insulation breakdown discharge in the high-voltage equipment is not easy to cause, the high-voltage switching equipment is not easy to damage, and the technical problem that the high-voltage switching equipment is damaged due to the fact that the internal discharge of the high-voltage equipment is easy to cause due to the metal foreign matters generated by the conductor for the current high-voltage equipment is solved.
Description
Technical Field
The present invention relates to a high-voltage switchgear and a conductor for the high-voltage switchgear.
Background
The conductor inside the gas-insulated metal-enclosed switchgear needs to be vertically arranged in some occasions, relative motion is easy to generate between the vertically arranged conductor and the touch seat due to factors such as equipment vibration and the like in the equipment transportation and operation processes, metal foreign matters are easy to generate by friction between the vertically arranged conductor and the touch seat, the metal foreign matters freely fall inside the equipment after being generated, the falling point of the metal foreign matters cannot be determined in the equipment, and when the equipment is electrified and operated, the metal foreign matters move more easily under the action of the electric field force in the switchgear, so that the high-voltage switchgear is easily discharged, and the high-voltage switchgear is easily damaged.
Disclosure of Invention
The invention aims to provide a conductor for high-voltage equipment, which is used for solving the technical problem that the metal foreign matters generated by the current conductor for high-voltage equipment easily cause the internal discharge of the high-voltage equipment to cause the damage of the high-voltage equipment; in addition, the invention also aims to provide the high-voltage switch equipment using the conductor for the high-voltage equipment, which is used for solving the technical problem that the high-voltage switch equipment is damaged due to the fact that the internal discharge of the high-voltage switch equipment is easily caused by the metal foreign matters generated by the conductor for the high-voltage switch equipment at present.
The conductor for the high-voltage equipment adopts the following technical scheme:
the conductor for high-voltage equipment comprises:
an upper plug section for vertically inserting with an upper contact seat positioned on the upper side of the conductor for the high-voltage equipment,
The foreign matter collecting section is positioned at the lower side of the upper inserting section, and is provided with a collecting groove with an opening for facing the upper contact seat, and the collecting groove is used for collecting foreign matters generated by friction between the upper inserting section and the upper contact seat;
the upper inserting section and the foreign matter collecting section are integrally formed.
The beneficial effects are that: the foreign matter collecting section of the conductor for the high-voltage equipment is provided with the collecting groove, the notch of the collecting groove faces the upper contact seat, foreign matters generated by friction between the upper inserting section and the upper contact seat enter the collecting groove, the foreign matters are not easy to move in the high-voltage equipment under the action of the collecting groove, insulation breakdown discharge in the high-voltage equipment is not easy to cause, the high-voltage switching equipment is not easy to damage, and the technical problem that the high-voltage switching equipment is damaged due to the fact that the internal discharge of the high-voltage equipment is easy to cause due to the metal foreign matters generated by the conductor for the current high-voltage equipment is solved.
Further, the periphery of foreign matter collecting section is provided with collecting section arc shielding surface, and the collecting vat is in collecting section arc shielding surface inboard. The arc-shaped shielding surface of the collecting section can reduce the electric field at the connection position of the conductor and the upper side contact seat, improve the insulation margin of high-voltage equipment, and further improve the qualification rate of one-time physical examination of the equipment in a factory test.
Further, the arc-shaped shielding surface of the collecting section is a spherical surface. The spherical surface shielding effect is better.
Further, the conductor for the high-voltage equipment further comprises a lower inserting section and an expanding shielding section, wherein the lower inserting section is arranged at the lower part of the conductor, the expanding shielding section is arranged at the upper side of the lower inserting section, the lower inserting section is used for being inserted into a lower contact seat arranged at the lower side of the conductor for the high-voltage equipment, and an expanding section arc shielding surface is arranged at the periphery of the expanding shielding section. The expanded arc shielding surface can reduce the electric field at the connection position of the conductor and the lower contact seat, and improve the insulation margin of high-voltage equipment.
Further, the collecting groove is an annular groove. The annular groove is convenient to process, and the effect of collecting foreign matters is better.
Further, the inner side wall surface of the annular groove coincides with the extension surface of the outer peripheral surface of the upper plug-in section. The foreign matter is convenient to fall into the annular groove.
Further, the collecting tank is a straight tank. The processing difficulty is reduced, and the processing of the collecting tank is convenient.
The technical scheme of the high-voltage switch equipment is as follows:
The high-voltage switch equipment comprises a conductor and an upper contact seat positioned on the upper side of the conductor, wherein the conductor is spliced with the contact seat up and down, and the conductor comprises:
the upper inserting section is inserted with the upper contact seat at the upper side of the conductor up and down,
The foreign matter collecting section is positioned at the lower side of the upper inserting section, a collecting groove with an opening facing the upper contact seat is arranged on the foreign matter collecting section, and the collecting groove is used for collecting foreign matters generated by friction between the upper inserting section and the upper contact seat;
the upper inserting section and the foreign matter collecting section are integrally formed.
The beneficial effects are that: the foreign matter collecting section of the conductor is provided with the collecting groove, the notch of the collecting groove faces the upper side contact seat, foreign matters generated by friction between the upper inserting section and the upper side contact seat enter the collecting groove, the foreign matters are not easy to move in the high-voltage equipment under the action of the collecting groove, insulation breakdown discharge in the high-voltage equipment is not easy to cause, the high-voltage switching equipment is not easy to damage, and the technical problem that the high-voltage switching equipment is damaged due to the fact that the high-voltage switching equipment is easy to cause the internal discharge of the metal foreign matters generated by the conductor of the current high-voltage switching equipment is solved.
Further, the periphery of foreign matter collecting section is provided with collecting section arc shielding surface, and the collecting vat is in collecting section arc shielding surface inboard. The arc-shaped shielding surface of the collecting section can reduce the electric field at the connection position of the conductor and the upper side contact seat, improve the insulation margin of high-voltage equipment, and further improve the qualification rate of one-time physical examination of the equipment in a factory test.
Further, the arc-shaped shielding surface of the collecting section is a spherical surface. The spherical surface shielding effect is better.
Further, the conductor further comprises a lower inserting section at the lower part and an expanding shielding section at the upper side of the lower inserting section, the lower inserting section is used for being inserted into a lower contact seat at the lower side of the conductor, and an expanding section arc shielding surface is arranged at the periphery of the expanding shielding section. The expanded arc shielding surface can reduce the electric field at the connection position of the conductor and the lower contact seat, and improve the insulation margin of high-voltage equipment.
Further, the collecting groove is an annular groove. The annular groove is convenient to process, and the effect of collecting foreign matters is better.
Further, the inner side wall surface of the annular groove coincides with the extension surface of the outer peripheral surface of the upper plug-in section. The foreign matter is convenient to fall into the annular groove.
Further, the collecting tank is a straight tank. The processing difficulty is reduced, and the processing of the collecting tank is convenient.
Drawings
FIG. 1 is a schematic diagram showing an assembly structure of a conductor and a contact in an embodiment 1 of a conductor for a high voltage device according to the present invention;
FIG. 2 is a schematic view of a partial enlarged structure of the portion I in FIG. 1;
Fig. 3 is a schematic view showing the structure of a conductor in embodiment 1 of a conductor for high voltage equipment of the present invention;
In the figure: 1. a conductor for high voltage equipment; 11. an upper plug section; 12. a foreign matter collection section; 121. an arc-shaped shielding surface of the collecting section; 13. expanding the shielding section; 131. expanding the arc shielding surface of the section; 14. a lower plug section; 15. a collection tank; 2. an upper contact base; 21. conductive contact fingers; 3. basin-type insulator; 4. a lower contact base; 5. foreign matter.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The terms "upper," "lower," "front," "rear," "left," "right," and the like refer to an orientation or positional relationship as if it were assumed, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Specific example 1 of a conductor for high voltage equipment according to the present invention:
As shown in fig. 1 to 3, the conductor 1 for high voltage equipment is integrally provided, and includes an upper plug section 11, a foreign matter collecting section 12, an enlarged shielding section 13 and a lower plug section 14, and the upper plug section 11, the foreign matter collecting section 12, the enlarged shielding section 13 and the lower plug section 14 are vertically provided when the conductor 1 for high voltage equipment is used, and are arranged from top to bottom.
The upper plug section 11 is configured to be inserted into the upper contact 2 located above the high-voltage device conductor 1, the upper contact 2 having an upper contact hole, and the upper contact hole having an upper contact socket into which the high-voltage device conductor 1 is inserted.
As shown in fig. 1, a conductive contact finger 21 is disposed in an upper contact base 2 in the high-voltage device, the upper contact base 2 is fixed on a basin-type insulator 3, a lower contact base 4 is also disposed in the high-voltage device, and the conductive contact finger 21 is also disposed in the lower contact base 4.
The foreign matter collecting section 12 is arranged at the lower side of the upper inserting section 11, the foreign matter collecting section 12 is provided with a collecting groove 15 with an opening facing the upper contact seat 2, the collecting groove 15 is an annular groove, and the collecting groove 15 is a straight groove, so that the processing is facilitated. The notch of the annular groove is positioned on an annular table surface formed by the foreign matter collecting section and the upper inserting section. The inner side wall surface of the annular groove coincides with the extension surface of the outer peripheral surface of the upper plug-in section 11, so that foreign matters can conveniently enter the collecting groove 15. Foreign matter 5 generated by friction between the upper plug-in section 11 and the upper contact seat 2 falls into the collecting groove 15 under the gravity force and is collected by the collecting groove 15. The collecting tank 15 is internally provided with a low field intensity region, foreign matters 5 can not be dissociated in the collecting tank 15, the probability that the high-voltage equipment is broken down to generate discharge due to the breakdown of the insulation caused by the foreign matters 5 is reduced, the risk of the discharge of the equipment is reduced, and the insulation performance of the product is improved.
The periphery of foreign matter collection section 12 is provided with collection section arc shielding face 121, and collecting vat 15 is in collection section arc shielding face 121 inboard, and inside electric field intensity is low, collects section arc shielding face 121 in this embodiment and is spherical, has reduced the biggest electric field intensity of conductor 1 for the high-voltage equipment and upside touch seat hookup location through collection section arc shielding face 121, has improved high-voltage equipment's insulation margin, and then improves the first physical examination qualification rate of equipment factory test.
The lower plug section 14 is used for being inserted into the lower contact seat 4 positioned at the lower side of the conductor 1 for the high-voltage equipment, and the periphery of the expansion shielding section 13 is provided with an expansion section arc shielding surface 131. The expanded arc shielding surface 131 reduces the maximum electric field intensity of the connection position of the conductor 1 for the high-voltage equipment and the lower contact seat 4, further improves the insulation margin of the high-voltage equipment, and further improves the qualification rate of the primary physical examination of the equipment factory test.
When the conductor 1 for the high-voltage equipment is used in a vertical state, in the transportation and operation process, the foreign matters 5 generated by friction between the conductive contact fingers 21 in the upper contact seat 2 and the upper plug-in section 11 fall into the collecting groove 15 under the action of self gravity, so that the free falling of the foreign matters 5 is avoided, and the purpose of controlling the movement of the foreign matters 5 is realized. Foreign matters 5 generated in the installation stage of the equipment can be collected, according to the technological requirements of the equipment, the collecting tank 15 is convenient to clean for the equipment needing to clean the spot again, and the collecting tank 15 can ensure the cleaning of the inside of the equipment to the greatest extent for the equipment not carrying out the spot cleaning.
In embodiment 2 of the conductor for high voltage apparatus according to the present invention, the structure of the conductor for high voltage apparatus in this embodiment differs from that of the above embodiment only in that the conductor in this embodiment includes three sections, an upper insertion section, a foreign matter collection section, and a lower insertion section, wherein the collection groove is provided on an end face of the foreign matter collection section facing the upper contact. In this embodiment, since the length of the conductor is shorter, the outer circumferential surface of the collecting section is a cylindrical surface, and the arc transition is performed between the outer circumferential surface of the collecting section and the end surface where the collecting groove is located.
In embodiment 3 of the conductor for high voltage equipment according to the present invention, the structure of the conductor for high voltage equipment in this embodiment differs from that of the above embodiment only in that in this embodiment, the conductor for high voltage equipment has no lower plug section, and the lower part of the conductor is fixed to another conductor by a flange.
In embodiment 4 of the conductor for high-voltage equipment according to the present invention, the structure of the conductor for high-voltage equipment in this embodiment differs from that of the above-described embodiment only in that in this embodiment, a plurality of collecting grooves are provided and arranged in the circumferential direction of the conductor.
In embodiment 5 of the conductor for high voltage equipment according to the present invention, the structure of the conductor for high voltage equipment in this embodiment differs from that of the above embodiment only in that the collecting tank is a closed-up tank, and foreign matter can be prevented from escaping from the collecting tank.
The embodiment of the high-voltage switch equipment comprises a touch seat and a conductor which is spliced with the touch seat up and down, wherein the structures of the conductor and the touch seat are the same as those in any embodiment of the conductor for the high-voltage equipment, and the detailed description is omitted.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A conductor for high voltage equipment, comprising:
An upper plug-in section (11) for vertically inserting the upper contact base (2) on the upper side of the conductor (1) for high-voltage equipment,
The foreign matter collecting section (12) is positioned at the lower side of the upper inserting section (11), the foreign matter collecting section (12) is provided with a collecting groove (15) with an opening for facing the upper contact seat (2), and the collecting groove (15) is used for collecting foreign matters (5) generated by friction between the upper inserting section (11) and the upper contact seat (2);
the upper inserting section (11) and the foreign matter collecting section (12) are integrally formed;
the periphery of the foreign matter collecting section (12) is provided with a collecting section arc-shaped shielding surface (121), and the collecting groove (15) is positioned at the inner side of the collecting section arc-shaped shielding surface (121);
The conductor (1) for the high-voltage equipment further comprises a lower inserting section (14) at the lower part and an expanded shielding section (13) at the upper side of the lower inserting section (14), wherein the lower inserting section (14) is used for being inserted into a lower contact seat (4) at the lower side of the conductor (1) for the high-voltage equipment, and an expanded arc shielding surface (131) is arranged at the periphery of the expanded shielding section (13);
the notch of the collecting groove (15) is positioned on an annular table surface formed by the foreign matter collecting section (12) and the upper inserting section (11), and the inner side wall surface of the collecting groove (15) is overlapped with the extension surface of the outer peripheral surface of the upper inserting section, so that the foreign matters generated by friction between the upper inserting section (11) and the upper contact seat (2) can fall into the collecting groove (15) under the gravity, and are collected by the collecting groove (15).
2. The conductor for high-voltage equipment according to claim 1, characterized in that the collecting section arc-shaped shielding surface (121) is a spherical surface.
3. Conductor for high voltage equipment according to claim 1 or 2, characterized in that the collecting groove (15) is an annular groove.
4. A conductor for high-voltage equipment according to claim 3, characterized in that the inner side wall surface of the annular groove coincides with the extension surface of the outer peripheral surface of the upper plug section (11).
5. Conductor for high voltage equipment according to claim 1 or 2, characterized in that the collecting tank (15) is a straight tank.
6. High-voltage switchgear comprising a conductor and an upper contact (2) on the upper side of the conductor, the conductor being plugged up and down with the contact, characterized in that the conductor is a conductor (1) for a high-voltage apparatus according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437494.1A CN114628171B (en) | 2020-12-10 | 2020-12-10 | High-voltage switchgear and conductor for high-voltage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011437494.1A CN114628171B (en) | 2020-12-10 | 2020-12-10 | High-voltage switchgear and conductor for high-voltage equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114628171A CN114628171A (en) | 2022-06-14 |
| CN114628171B true CN114628171B (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011437494.1A Active CN114628171B (en) | 2020-12-10 | 2020-12-10 | High-voltage switchgear and conductor for high-voltage equipment |
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| Country | Link |
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| CN (1) | CN114628171B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5625926U (en) * | 1979-08-01 | 1981-03-10 | ||
| JPS61114912U (en) * | 1984-12-27 | 1986-07-21 | ||
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| CN202134844U (en) * | 2011-06-16 | 2012-02-01 | 平高集团有限公司 | Electrical connector between insulating basin and conductor used for high-voltage switch |
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| CN104107601A (en) * | 2013-04-22 | 2014-10-22 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Particle collection device and tail gas treatment system |
| CN104917069A (en) * | 2015-05-27 | 2015-09-16 | 河南省高压电器研究所 | Flat plate type particle capturing apparatus and power transmission and transformation equipment |
| CN207651363U (en) * | 2017-12-07 | 2018-07-24 | 陕西杉瑞电气有限公司 | A kind of gas-insulated high-voltage system with particle trap |
| CN208015312U (en) * | 2018-04-16 | 2018-10-26 | 江苏乐仕电气科技有限公司 | A kind of plug type bus duct |
| CN110661220A (en) * | 2019-07-11 | 2020-01-07 | 平高集团有限公司 | Particle capturing structure and high-voltage conductor insulating and supporting structure |
| CN110883016A (en) * | 2018-09-11 | 2020-03-17 | 平高集团有限公司 | GIL device and particle catcher |
| CN111276346A (en) * | 2020-03-03 | 2020-06-12 | 天津嘉讯商贸有限公司 | Closed transmission line contact shield cover guide ring structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5253283B2 (en) * | 2009-04-20 | 2013-07-31 | 三菱電機株式会社 | Gas insulated switchgear |
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2020
- 2020-12-10 CN CN202011437494.1A patent/CN114628171B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625926U (en) * | 1979-08-01 | 1981-03-10 | ||
| JPS61114912U (en) * | 1984-12-27 | 1986-07-21 | ||
| JP2000166065A (en) * | 1998-11-24 | 2000-06-16 | Mitsubishi Electric Corp | Gas-insulated switchgear |
| CN202134844U (en) * | 2011-06-16 | 2012-02-01 | 平高集团有限公司 | Electrical connector between insulating basin and conductor used for high-voltage switch |
| CN202134843U (en) * | 2011-06-16 | 2012-02-01 | 平高集团有限公司 | Electrical connector between insulator and conductor used by high voltage switch |
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| CN207651363U (en) * | 2017-12-07 | 2018-07-24 | 陕西杉瑞电气有限公司 | A kind of gas-insulated high-voltage system with particle trap |
| CN208015312U (en) * | 2018-04-16 | 2018-10-26 | 江苏乐仕电气科技有限公司 | A kind of plug type bus duct |
| CN110883016A (en) * | 2018-09-11 | 2020-03-17 | 平高集团有限公司 | GIL device and particle catcher |
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| CN111276346A (en) * | 2020-03-03 | 2020-06-12 | 天津嘉讯商贸有限公司 | Closed transmission line contact shield cover guide ring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114628171A (en) | 2022-06-14 |
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