CN111064111A - Inflatable switch cabinet - Google Patents

Inflatable switch cabinet Download PDF

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Publication number
CN111064111A
CN111064111A CN202010039602.3A CN202010039602A CN111064111A CN 111064111 A CN111064111 A CN 111064111A CN 202010039602 A CN202010039602 A CN 202010039602A CN 111064111 A CN111064111 A CN 111064111A
Authority
CN
China
Prior art keywords
inflatable
grounding
insulating
gas
rod
Prior art date
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.)
Pending
Application number
CN202010039602.3A
Other languages
Chinese (zh)
Inventor
彭晶
王科
谭向宇
邓云坤
耿英三
闫静
刘志远
沈靖宇
马仪
赵现平
李�昊
刘红文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Yunnan Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Yunnan Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Yunnan Power Grid Co Ltd filed Critical Electric Power Research Institute of Yunnan Power Grid Co Ltd
Priority to CN202010039602.3A priority Critical patent/CN111064111A/en
Publication of CN111064111A publication Critical patent/CN111064111A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/075Earthing arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear

Abstract

The application relates to the technical field of power equipment, especially, relate to an inflatable cubical switchboard. The inflatable switch cabinet is taken as a full-insulation closed compact switch device, integrates primary devices such as a circuit breaker and a bus and is filled with gas with strong insulating property. The inflatable switch cabinet is connected with the external conductor by adopting the plug-in type sleeve, so that the external conductor and the inflatable switch cabinet are difficult to approach. The application provides a pair of inflatable cubical switchboard, including earthing device, earthing device with inflatable cubical switchboard electric connection. The application provides an inflatable cubical switchboard through set up earthing device on inflatable cubical switchboard, realizes the ground connection of inflatable cubical switchboard major loop, has solved traditional inflatable cubical switchboard and can't articulate the problem of ground wire at operation maintenance and maintenance in-process.

Description

Inflatable switch cabinet
Technical Field
The application relates to the technical field of power equipment, especially, relate to an inflatable cubical switchboard.
Background
An inflatable switch cabinet of power equipment is important power equipment which is opened, closed, controlled and protected in a power system. The inflatable switch cabinet is formed by combining measuring equipment, a circuit breaker, insulating gas and various protection devices, and is widely applied to places such as transformer substations, power plants and the like.
In an electric power system, the inflatable switch cabinet is taken as a full-insulation closed compact switch device which integrates primary devices such as a circuit breaker, a bus and the like and is filled with gas with strong insulating property. The inflatable cubical switchboard all adopts plug-in type sleeve pipe and outer conductor to be connected, consequently, can lead to outer conductor and inflatable cubical switchboard to be close the difficulty, and traditional inflatable cubical switchboard does not contain earthing device to cause the inflatable cubical switchboard can't articulate the ground wire in operation maintenance and maintenance process.
Disclosure of Invention
The application provides an inflatable cubical switchboard, this cubical switchboard are provided with earthing device to solve current inflatable cubical switchboard and can't articulate the problem of ground wire at the operation maintenance and the maintenance in-process.
The technical scheme adopted by the application for solving the technical problems is as follows:
an inflatable cubical switchboard, includes earthing device, earthing device with inflatable cubical switchboard electric connection.
Optionally, the grounding device is connected to a test socket of the inflatable switch, and is connected to a circuit breaker in the inflatable switch cabinet through the test socket.
Optionally, the grounding device includes a connection portion of the gas-filled cabinet, a grounding portion and an insulating portion;
the inflatable cabinet connecting part comprises a contact finger and a joint which are connected with each other;
the grounding part comprises a grounding rod and a grounding wire, and is connected with the grounding rod through a joint, and the grounding wire is connected to the grounding rod;
the insulating part includes the insulator spindle, the insulator spindle with the earth lug end to end just is in on the same straight line, the earth connection is connected be close to on the earth lug the one end of insulator spindle.
Optionally, the insulating rod is of a single rod type, and the insulating rod is made of a strong insulating material.
Optionally, an insulating shed is added outside the insulating rod.
Optionally, the ground rod and the ground wire are made of high conductivity materials.
Optionally, the contact fingers are cylindrical, and the two contact fingers are connected through an elastic spring;
the material of the contact finger is high-conductivity material.
Optionally, the insulating portion further includes an insulating baffle plate, and the insulating baffle plate is vertically connected to the ground rod and disposed between the ground wire and the joint.
The top of the insulating rod is connected with an operating handle.
The technical scheme provided by the application comprises the following beneficial technical effects:
the application provides a pair of inflatable cubical switchboard, including earthing device, earthing device with inflatable cubical switchboard electric connection. The application provides an inflatable cubical switchboard through set up earthing device on inflatable cubical switchboard, realizes the ground connection of inflatable cubical switchboard major loop, has solved traditional inflatable cubical switchboard and can't articulate the problem of ground wire at operation maintenance and maintenance in-process.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic view illustrating an assembly of an inflatable switchgear provided in an embodiment of the present application;
fig. 2 is a partially enlarged structural view of the inflatable switch cabinet according to the embodiment of the present application;
fig. 3 is a schematic structural view of the grounding device of the inflatable switch cabinet according to the embodiment of the present application.
Description of reference numerals:
1-insulating baffle, 2-contact finger, 3-operating handle, 4-insulating rod, 5-grounding wire, 6-grounding rod, 7-joint, 8-test socket, 9-inflatable switch cabinet body, 10-breaker air chamber, 11-breaker and 12-connecting bus.
Detailed Description
In order to make the technical solutions in the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
Referring to fig. 1, fig. 1 is an assembly schematic view of a gas-filled switchgear provided in an embodiment of the present application, and as shown in fig. 1, the gas-filled switchgear provided in the embodiment of the present application includes a grounding device electrically connected to the gas-filled switchgear.
The utility model provides an inflatable cubical switchboard through set up earthing device on inflatable cubical switchboard, realizes the ground connection of inflatable cubical switchboard major loop, has solved traditional inflatable cubical switchboard and can't articulate the problem of ground wire in operation maintenance and maintenance process.
Further, the grounding device is connected to a test socket 8 of the gas-filled switch, and is connected to a circuit breaker 11 in the gas-filled switch cabinet through the test socket 8.
The grounding device is connected with a circuit breaker 11 in the inflatable switch cabinet through a test socket 8 of the inflatable switch cabinet, so that the grounding of the main loop of the inflatable switch cabinet is realized.
As an implementation manner provided in the embodiment of the present application, optionally, the grounding device provided in the embodiment of the present application includes a connection portion of the gas-filled cabinet, a grounding portion, and an insulating portion;
the inflatable cabinet connecting part comprises a contact finger 2 and a connector 7 which are connected with each other;
the grounding part comprises a grounding rod 6 and a grounding wire 5, the grounding rod 6 is connected with the grounding rod 5 through a joint 7, and the grounding wire 5 is connected to the grounding rod 6;
the insulating part includes insulator spindle 4, insulator spindle 4 with 6 end to end of earth lug and be in same straight line on, earth connection 5 is connected be close to on the earth lug 6 the one end of insulator spindle 4.
In one embodiment provided by the present application, the grounding device is connected to the test socket 8 of the gas-filled switchgear through the connector 7 and the contact finger 2, and the grounding of the main circuit of the gas-filled switchgear is realized through the grounding rod 6 and the grounding wire 5 connected to the connector 7.
Optionally, the insulating rod 4 is a single-rod type, the single-rod type has a longer insulating distance, and the size of the inflatable switch cabinet is considered, so that the single-rod type is convenient for personnel to operate. The method can also be selected according to actual requirements, and the embodiment of the application is not particularly limited; the insulating rod 4 is made of a strong insulating material, and the high insulating material can ensure the internal pressure resistant strength of the insulating rod, prevent the insulating rod from being internally punctured and ensure the life safety of operators; simultaneously, 4 pole outsides of insulator spindle add insulating full skirt, can increase the creepage distance of insulator spindle through insulating full skirt, reduce the risk of outside flashover.
Optionally, the grounding rod 6 and the grounding wire 5 are made of high conductivity materials, so that the grounding resistance is as small as possible, and the circuit breaker is guaranteed to be reliably grounded.
Optionally, the contact fingers 3 are cylindrical, the two contact fingers 3 are connected through a strong elastic spring, the contact pressure of the contact fingers can be increased through the spring, and the contact resistance is reduced;
the contact finger 3 is made of a high-conductivity material, so that the grounding resistance is as small as possible, and the reliable grounding of the circuit breaker is ensured.
Optionally, the insulating portion further includes an insulating baffle 1, and the insulating baffle 1 is vertically connected to the ground rod 6 and disposed between the ground wire 5 and the connector 3.
When the grounding device is used, the insulating baffle plate 1 covers the exposed part of the inflatable switch cabinet test socket 8, so that spark splashing to the outside in the grounding process of the inflatable switch cabinet is avoided, and the safety of personnel is ensured.
The top of the insulating rod 4 is connected with an operating handle 3, so that an operator can hold a component conveniently during installation or fixation, the operating handle 3 can be arranged into a rod shape and is vertically connected with the insulating rod 4, the operating handle can also be arranged into an oval shape convenient for manual operation, the operating handle can be arranged according to reasonable requirements in hand actual operation, and specific limitation is not required in the embodiment of the application.
As an implementation manner of the embodiment of the present application, as shown in fig. 1, fig. 1 is a schematic view of an assembly of a gas-filled switchgear cabinet according to an embodiment of the present application. The middle part of the inflatable switch cabinet body 9 is provided with a breaker air chamber 10, a breaker 11 is arranged in the breaker air chamber 10, and the lower terminal of the breaker 11 is connected to the test socket 8 through a connecting bus 12. In the maintenance process of the circuit breaker, the connection part of the gas-filled cabinet of the grounding device is connected with the test socket 8, so that the grounding of the main loop of the gas-filled switch cabinet body 9 is realized.
Fig. 2 is a schematic partial enlarged structure view of the inflatable switch cabinet provided in the embodiment of the present application. As shown in fig. 2, the connection portion of the inflatable switch cabinet body 9 of the grounding device is embedded and fixed in the test socket 8 of the inflatable switch cabinet, the grounding device is electrically connected with the main circuit of the inflatable switch cabinet through the contact finger 2, and the grounding rod 6 and the grounding wire 5 connected with the connector 7 are used for grounding the main circuit of the inflatable switch cabinet. Insulating baffle 1 in the middle part of earthing device covers the part that exposes of aerifing cabinet test socket 8, avoids aerifing the appearance spark splash of cabinet ground connection in-process to outside, guarantees personnel's safety.
As shown in fig. 3, which is a schematic structural view of an inflatable switchgear grounding device according to an embodiment of the present application, an inflatable switchgear provided by an embodiment of the present application includes a grounding device electrically connected to the inflatable switchgear. The application provides an inflatable cubical switchboard through set up earthing device on inflatable cubical switchboard, realizes the ground connection of inflatable cubical switchboard major loop, has solved traditional inflatable cubical switchboard and can't articulate the problem of ground wire at operation maintenance and maintenance in-process.
It is noted that relational terms such as "first" and "second," and the like, may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be understood that the present application is not limited to what has been described above and shown in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (9)

1. The inflatable switch cabinet is characterized by comprising an earthing device, wherein the earthing device is electrically connected with the inflatable switch cabinet.
2. The gas-filled switchgear cabinet according to claim 1, wherein the grounding device is connected to a test socket (8) of the gas-filled switch, through which test socket (8) the grounding device is connected to a circuit breaker (11) in the gas-filled switchgear cabinet.
3. The inflatable switchgear of claim 1, wherein the grounding means comprises a gas-filled cabinet connection portion, a grounding portion and an insulating portion;
the inflatable cabinet connecting part comprises a contact finger (2) and a joint (7) which are connected with each other;
the grounding part comprises a grounding rod (6) and a grounding wire (5), the grounding rod (6) is connected through a joint (7), and the grounding wire (5) is connected to the grounding rod (6);
the insulating part includes insulator spindle (4), insulator spindle (4) with earth lug (6) end to end just is located same straight line, earth connection (5) are connected be close to on earth lug (6) the one end of insulator spindle (4).
4. The gas-filled switchgear according to claim 3, characterized in that said insulating rod (4) is of single-rod type, said insulating rod (4) being of strong insulating material.
5. The gas-filled switchgear according to claim 3, wherein said insulating pole (4) is externally provided with an insulating shed.
6. The gas-filled switchgear according to claim 3, wherein said grounding rod (6) and grounding wire (5) are of high conductivity material.
7. The gas-filled switchgear according to claim 3, wherein said contact fingers (3) are cylindrical, and two contact fingers (3) are connected by a spring;
the contact finger (3) is made of a high-conductivity material.
8. The gas-filled switchgear according to claim 3, wherein the insulation further comprises an insulating barrier (1), the insulating barrier (1) being connected perpendicular to the grounding bar (6) and being arranged between the grounding line (5) and the joint (3).
9. The inflatable switchgear according to claim 3, wherein the top of the insulating rod (4) is connected with an operating handle (3).
CN202010039602.3A 2020-01-15 2020-01-15 Inflatable switch cabinet Pending CN111064111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010039602.3A CN111064111A (en) 2020-01-15 2020-01-15 Inflatable switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010039602.3A CN111064111A (en) 2020-01-15 2020-01-15 Inflatable switch cabinet

Publications (1)

Publication Number Publication Date
CN111064111A true CN111064111A (en) 2020-04-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010039602.3A Pending CN111064111A (en) 2020-01-15 2020-01-15 Inflatable switch cabinet

Country Status (1)

Country Link
CN (1) CN111064111A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201360109Y (en) * 2009-02-20 2009-12-09 国电博纳(北京)电力设备有限公司 126KV composite type combined electrical appliance
CN201607460U (en) * 2009-11-30 2010-10-13 河南平高电气股份有限公司 Withstand voltage test grounding device for GIS equipment
CN102420390A (en) * 2011-12-29 2012-04-18 北京双杰电气股份有限公司 Three-station solid insulated full-sealed switch grounding pole device
CN202872245U (en) * 2012-08-31 2013-04-10 北京华电瑞通电力工程技术有限公司 Integrated-pouring solid-insulation earthing device
CN203135294U (en) * 2012-12-24 2013-08-14 宁波优维电力科技有限公司 Solid insulation ring main unit
CN203895397U (en) * 2014-03-26 2014-10-22 协励行(厦门)电气有限公司 Solid insulation fuse
CN204179553U (en) * 2014-09-29 2015-02-25 王永法 A kind of drawer type solid all-insulated switch
CN204230136U (en) * 2014-11-21 2015-03-25 国家电网公司 Fuse auxiliary earth switch module
CN204361550U (en) * 2014-12-30 2015-05-27 王永法 A kind of solid all-insulated switch
CN105552597A (en) * 2016-02-17 2016-05-04 国网河南禹州市供电公司 Clamping type grounding rod
CN205583512U (en) * 2016-05-09 2016-09-14 国网新疆电力公司检修公司 Novel 750 not fast disconnect ground of kilovolt GIS equipment device
CN205829019U (en) * 2016-06-28 2016-12-21 湖南长高电气有限公司 The Insulation Test frock of Cubicle Gas-Insulated Switchgear cable outlet
CN106410657A (en) * 2016-06-28 2017-02-15 湖南长高电气有限公司 Insulated test tooling for cable outgoing line of gas insulated metal-enclosed switchgear
CN208707185U (en) * 2018-07-03 2019-04-05 青岛特锐德电气股份有限公司 A kind of ground extractor and gas insulation switch cabinet

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201360109Y (en) * 2009-02-20 2009-12-09 国电博纳(北京)电力设备有限公司 126KV composite type combined electrical appliance
CN201607460U (en) * 2009-11-30 2010-10-13 河南平高电气股份有限公司 Withstand voltage test grounding device for GIS equipment
CN102420390A (en) * 2011-12-29 2012-04-18 北京双杰电气股份有限公司 Three-station solid insulated full-sealed switch grounding pole device
CN202872245U (en) * 2012-08-31 2013-04-10 北京华电瑞通电力工程技术有限公司 Integrated-pouring solid-insulation earthing device
CN203135294U (en) * 2012-12-24 2013-08-14 宁波优维电力科技有限公司 Solid insulation ring main unit
CN203895397U (en) * 2014-03-26 2014-10-22 协励行(厦门)电气有限公司 Solid insulation fuse
CN204179553U (en) * 2014-09-29 2015-02-25 王永法 A kind of drawer type solid all-insulated switch
CN204230136U (en) * 2014-11-21 2015-03-25 国家电网公司 Fuse auxiliary earth switch module
CN204361550U (en) * 2014-12-30 2015-05-27 王永法 A kind of solid all-insulated switch
CN105552597A (en) * 2016-02-17 2016-05-04 国网河南禹州市供电公司 Clamping type grounding rod
CN205583512U (en) * 2016-05-09 2016-09-14 国网新疆电力公司检修公司 Novel 750 not fast disconnect ground of kilovolt GIS equipment device
CN205829019U (en) * 2016-06-28 2016-12-21 湖南长高电气有限公司 The Insulation Test frock of Cubicle Gas-Insulated Switchgear cable outlet
CN106410657A (en) * 2016-06-28 2017-02-15 湖南长高电气有限公司 Insulated test tooling for cable outgoing line of gas insulated metal-enclosed switchgear
CN208707185U (en) * 2018-07-03 2019-04-05 青岛特锐德电气股份有限公司 A kind of ground extractor and gas insulation switch cabinet

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Application publication date: 20200424

RJ01 Rejection of invention patent application after publication