CN113904241A - Insulating isolation device for busbar and spring operation mechanism of switch cabinet - Google Patents

Insulating isolation device for busbar and spring operation mechanism of switch cabinet Download PDF

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Publication number
CN113904241A
CN113904241A CN202111180907.7A CN202111180907A CN113904241A CN 113904241 A CN113904241 A CN 113904241A CN 202111180907 A CN202111180907 A CN 202111180907A CN 113904241 A CN113904241 A CN 113904241A
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CN
China
Prior art keywords
side plate
positioning
plate
operation mechanism
busbar
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
CN202111180907.7A
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Chinese (zh)
Inventor
潘少军
任基铭
吴涛
孙局宾
金宏波
林开福
吕城祥
于波
邢恩恺
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.)
State Grid Zhejiang Electric Power Co Ltd Shaoxing Shangyu District Power Supply Co
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Electric Power Co Ltd Shaoxing Shangyu District Power Supply Co
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power 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 State Grid Zhejiang Electric Power Co Ltd Shaoxing Shangyu District Power Supply Co, Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Electric Power Co Ltd Shaoxing Shangyu District Power Supply Co
Priority to CN202111180907.7A priority Critical patent/CN113904241A/en
Publication of CN113904241A publication Critical patent/CN113904241A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses an insulation isolation device for a switch cabinet busbar and a spring operating mechanism, which comprises a left side plate and a right side plate, wherein the left side plate and the right side plate respectively comprise a longitudinal section extending forwards and backwards and a transverse section vertically connected with the rear end of the longitudinal section, the transverse sections of the left side plate and the right side plate are combined through a combined structure, the longitudinal sections of the left side plate and the right side plate correspondingly shield two side holes, the transverse sections are combined to shield a rear hole, and positioning structures for positioning are arranged on the left side plate and the right side plate. The invention ensures that three through holes between the spring operation mechanism area and the 10kV bus area can be completely shielded, and in addition, the left side plate and the right side plate are provided with positioning structures for positioning, so that the shielding plates are prevented from shifting, and the spring operation mechanism area is ensured to be completely insulated and isolated from the 10kV electrified bus area.

Description

Insulating isolation device for busbar and spring operation mechanism of switch cabinet
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of electric power engineering, in particular to an XGN68-12 type switch cabinet busbar and spring operating mechanism insulating and isolating device.
[ background of the invention ]
There are 53 current type 10kv XGN68-12 switchyards in the upper corn poppy area. There are thousands of XGN68-12 type switch cabinets, and there are tens of thousands of cabinets in the country. Since the switch cabinet is put into use in a switching station and a power distribution room in the upper worry area range since 2000, due to the fact that the operation time is long and the operation environment humidity is high, elements of a switch mechanism are old, the defects that an energy storage motor is high in failure rate, the mechanism is jammed, a switch cannot be effectively switched on and off, an auxiliary contact is seriously corroded, a rectifier module is damaged and the like exist, the defects seriously affect the safe and stable operation of equipment, and arrangement and treatment are needed as soon as possible.
The XGN68 type high-voltage switch cabinet is a box-type fixed insulated AC metal-enclosed switch cabinet, the spring operating mechanism of the breaker is installed in the operating mechanism chamber and is positioned on the top of the switch cabinet, the busbar is installed on the breaker insulated vacuum bubble and is positioned below the spring operating mechanism, and due to design reasons, the busbar and the spring operating mechanism are both positioned in the same high-voltage chamber and are not isolated. Therefore, when the circuit breaker spring operating mechanism or auxiliary switches, the energy storage motor, the rectifier module and other components on the spring operating mechanism are replaced, the whole bus needs to be powered off, and once the load cannot be poured out, a large number of users can be generated, the number of users is influenced, and the reliability level of power supply is reduced.
[ summary of the invention ]
In order to overcome the defects in the prior art, the invention aims to provide an insulation isolation device for a switch cabinet busbar and a spring operation mechanism, which can effectively isolate live equipment and ensure that an operator can smoothly replace the whole spring operation mechanism at the top of the switch cabinet or auxiliary switches, energy storage motors, rectification modules and other components on the spring operation mechanism in the process of maintenance and rush repair.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a female isolated device that arranges of cubical switchboard and bullet operation mechanism, install on the installing support of bullet operation mechanism and the internal portion plate washer of cabinet for it is regional with the electrified generating line of 10kV regional to be used for the indoor bullet operation mechanism of insulated isolation cubical switchboard hyperbaric chamber, bullet operation mechanism region has three through-hole to be linked together with 10kV generating line region, three through-hole is a rear portion hole that the interval set up between two side openings that correspond the setting in the left and right sides and two side opening rear portions respectively, left side board and right side board including separable and combination, left side board and right side board are made and openly correspond and are equipped with left side insulating handle and right insulating handle, left side board and right side board all include the vertical section of front and back extension and the horizontal section of being connected perpendicularly with vertical section rear end to the horizontal section of left side board and right side board makes up through the integrated configuration, wherein the vertical section correspondence of left side board and right side board shields two side openings, The transverse section is combined to shield the rear hole, and positioning structures for positioning are arranged on the left side plate and the right side plate.
Preferably, the positioning structure comprises a front side of the transverse section, and the front side of the transverse section is positioned at the rear side of the mounting bracket of the spring operating mechanism; and/or the positioning structure comprises an inner side edge of the longitudinal section, and the inner side edge of the longitudinal section is positioned at the outer side of the bolt installed on the longitudinal baffle plate in the cabinet body.
Preferably, the positioning structure further comprises a front positioning plate vertically arranged on the back of the front part of the left side plate and the back of the front part of the right side plate, and the front positioning plate is positioned in front of the transverse baffle plate on the front part of the cabinet body.
Preferably, the longitudinal sections of the left side plate and the right side plate are provided with positioning lugs on the inner sides, and the positioning lugs are positioned behind bolts mounted on the longitudinal baffle plate in the cabinet body.
Preferably, the combined structure comprises two screws, and the transverse sections of the left side plate and the right side plate are fixed together through the two screws.
Preferably, the outer side corners of the connecting parts of the longitudinal sections and the transverse sections of the left side plate and the right side plate are provided with step-shaped unfilled corner structures.
Preferably, the left side plate and the right side plate are provided with chamfers at the front outer side corners of the longitudinal section.
Preferably, the left side plate and the right side plate are FR-4 epoxy plates, and the left insulating handle and the right insulating handle are nylon handles.
According to the technical scheme, the installation support is installed on the installation support of the spring operation mechanism and the baffle inside the cabinet body, the left side plate and the right side plate are combined through the combined structure, three through holes between the spring operation mechanism area and the 10kV bus area can be completely shielded through the structural design of the left side plate and the right side plate, in addition, the left side plate and the right side plate are provided with positioning structures for positioning, the shielding plates are prevented from shifting, and the spring operation mechanism area and the 10kV live bus area are ensured to be completely insulated and isolated.
The invention has the advantages that:
(1) the invention can solve the problem that the spring operation mechanism area can not be insulated and isolated from the 10kV electrified bus area.
(2) The invention can ensure the safety of personnel and equipment when the operating personnel processes the faults of the spring operating mechanism.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a portion between an elastic operating mechanism area and a 10kV bus area after a top plate of an XGN68-12 type switch cabinet is removed;
fig. 2 is a schematic structural diagram of an insulation isolation device for a switch cabinet busbar and a spring operating mechanism according to the present invention;
reference numerals:
a switch cabinet 100; a mounting bracket 101 of the spring operation mechanism; a bolt 102; a transverse baffle plate 103 at the front part of the cabinet body; the side hole 104; a rear hole 105; a left insulating handle 1; a right insulating handle 2; a left side plate 3; a right side plate 4; a left front positioning plate 5; a right front positioning plate 6; a screw 7; a left unfilled corner structure 8; a right unfilled corner structure 9; a left positioning lug 12; and a right positioning lug 13.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "front," "rear," "left," "right," and the like, which indicate orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Aiming at the cabinet structure of the XGN68-12 type high-voltage switch cabinet, the invention designs the insulating isolation shielding plate with strong reliability and convenient installation, which can effectively isolate live equipment, ensure that an operator can smoothly replace the whole spring-operated mechanism at the top of the switch cabinet or auxiliary switches, energy storage motors, rectification modules and other components on the spring-operated mechanism in the process of maintenance and rush repair, eliminate the defects, ensure the healthy operation of the equipment and protect the personal safety of the operator.
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the XGN68-12 type switch cabinet is used as an example to illustrate the present invention, but it will be understood by those skilled in the art that the present invention can be applied to other types of switch cabinets.
Referring to fig. 1, a top view of the XGN68-12 type switchgear 100 with the top panel removed shows the structure of the portion between the spring operating mechanism area and the 10kV bus bar area, and it can be seen from the figure that the spring operating mechanism area and the 10kV bus bar area are communicated by three through holes, which are two side holes 104 correspondingly disposed on the left and right sides and one rear hole 105 disposed at an interval between the rear portions of the two side holes. When a circuit breaker spring operation mechanism is maintained, an operator may touch a live part by mistake, or a working tool, an accessory and the like fall into a live area, so that a serious safety accident of damage of the operator and equipment is caused.
Therefore, the insulation isolation device of the invention adopts a combined insulation isolation shielding plate, is arranged on the mounting bracket 101 of the spring operation mechanism and the baffle plate inside the cabinet body (comprising the transverse baffle plate 103 at the front part of the cabinet body, the transverse baffle plate at the rear part and the longitudinal baffle plates at the left and right sides), and is used for insulating the spring operation mechanism area in the high-voltage chamber of the isolation switch cabinet and the 10kV electrified bus area.
As shown in fig. 2, the combined insulating isolation shielding plate comprises a left side plate 3 and a right side plate 4 which can be separated and combined, wherein the left side plate and the right side plate are made of insulating materials and are provided with a left insulating handle 1 and a right insulating handle 2 in a front corresponding mode, the left side plate and the right side plate respectively comprise a longitudinal section extending from front to back and a transverse section vertically connected with the rear end of the longitudinal section, the transverse sections of the left side plate and the right side plate are combined through a combined structure, the longitudinal sections of the left side plate and the right side plate correspondingly shield two side holes 104 and shield a rear hole 105 after the transverse sections are combined, and positioning structures for positioning are arranged on the left side plate 3 and the right side plate 4.
According to the technical scheme, through the structural design of the left side plate and the right side plate, the fact that three through holes between the spring operation mechanism area and the 10kV bus area can be completely shielded is guaranteed, in addition, the left side plate and the right side plate are provided with the positioning structures for positioning, the fact that the shielding plates cannot shift is guaranteed, and the fact that the spring operation mechanism area is completely insulated and isolated from the 10kV live bus area is guaranteed.
In order to ensure the stability and reliability of the combined insulating isolation shielding plate after positioning, the positioning structure comprises a front side edge of a transverse section, and the front side edge of the transverse section is positioned at the rear side of a mounting bracket of the spring operation mechanism; the locating structure comprises an inner side edge of the longitudinal section, and the inner side edge of the longitudinal section is located on the outer side of a bolt 102 installed on the longitudinal baffle plate in the cabinet body.
Furthermore, the positioning structure further comprises a front positioning plate vertically arranged on the back of the front part of the left side plate and the back of the front part of the right side plate, the front positioning plate is positioned in front of the transverse baffle plate on the front part of the cabinet body, and the front positioning plate is correspondingly provided with a left front positioning plate 5 and a right front positioning plate 6. The longitudinal sections of the left side plate and the right side plate are provided with positioning lugs on the inner sides, and the positioning lugs are positioned behind bolts installed on the longitudinal baffle plate in the cabinet body, or can be in front of the bolts, and correspondingly comprise a left positioning lug 12 and a right positioning lug 13.
In addition, the rear side edge of the transverse section and the outer side edge of the longitudinal section can be abutted against the corresponding transverse baffle and the corresponding longitudinal baffle to form positioning.
In this embodiment, the combined structure includes two screws 7, and the horizontal sections of the left side plate and the right side plate are fixed together by the two screws.
In order to avoid opening with the corner part structure inside the cabinet body and to be placed conveniently, the outer side corners of the connecting parts of the longitudinal section and the transverse section of the left side plate and the right side plate are provided with step-shaped unfilled corner structures which are a left unfilled corner structure 8 and a right unfilled corner structure 9 correspondingly. The left side board and the right side board are provided with chamfers at the corners of the outer side of the front part of the longitudinal section, and the chamfers correspond to the left chamfer and the right chamfer respectively.
Preferably, the left side plate and the right side plate are FR-4 epoxy plates, and the left insulating handle and the right insulating handle are nylon handles. It is understood that the left side plate, the right side plate and the left and right insulating handles can be made of other insulating materials.
After the switch cabinet is placed into the left side plate, the left side area and the electrified bus area are isolated in an insulated mode, and safety of personnel and equipment can be guaranteed when parts such as an auxiliary switch, an energy storage motor and a closing coil on the left side spring operating mechanism are replaced in the secondary bin. After the right side plate is placed, the right side area and the electrified bus area are isolated in an insulated mode, and safety of personnel and equipment when parts such as an energy storage spring, a switching-on and switching-off indicating plate and a switching-off coil on the right spring operation mechanism are replaced in the secondary bin can be guaranteed.
After the two insulating isolation shielding plates of the left side plate and the right side plate are assembled and installed, the whole spring operation mechanism area is ensured to be completely insulated and isolated from a 10kV bus area, at the moment, the spring operation mechanism area can be matched with the spring operation mechanism area at the rear part of the switch cabinet in a secondary bin, and the whole spring operation mechanism or parts such as a rear mechanical connecting rod and the like can be safely replaced.
In conclusion, the invention can be independently and combined installed on the left side and the right side of the rear elastic operation mechanism in the XGN68-12 type switch cabinet. The power failure of the whole bus is not needed any more, and the parts such as an energy storage motor, an auxiliary switch, a switching-on/off coil and the like on the spring operating mechanism or the whole spring operating mechanism can be replaced only by stopping the service fault single interval. The designed and manufactured combined insulating isolation shielding plate can greatly reduce the power failure area and the power failure time, and can solve the problem that the whole or the part of the spring operation mechanism cannot be replaced only by stopping at a single interval; the method can solve the important problem that the safety of personnel and equipment cannot be ensured when the failure of the elastic operating mechanism is processed at the single failure interval of outage.
While the foregoing is directed to embodiments of the present invention, the scope of the invention should not be limited thereby, and it will be apparent to those skilled in the art that the invention includes, but is not limited to, those illustrated in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims (8)

1. The utility model provides a female isolated device that arranges and bullet operation mechanism of cubical switchboard, install on the installing support of bullet operation mechanism and cabinet internal portion plate washer for the regional and 10kV electrified generating line region of bullet operation mechanism in the insulating isolation cubical switchboard hyperbaric chamber, bullet operation mechanism region has three through-hole to be linked together with 10kV generating line region, and three through-hole is respectively two side openings that correspond the setting in the left and right sides and a rear portion hole that the interval set up between two side opening rear portions, and its characterized in that includes left side board and right side board that can separate and make up, left side board and right side board are made by insulating material and openly correspond and be equipped with left side insulating handle and right insulating handle, left side board and right side board all include the vertical section of front and back extension and the horizontal section of being connected with vertical section rear end is perpendicular, and the horizontal section of left side board and right side board makes up through integrated configuration, wherein the vertical section of left side board and right side board corresponds and shields two side openings, The transverse section is combined to shield the rear hole, and positioning structures for positioning are arranged on the left side plate and the right side plate.
2. The switchgear busbar and spring operating mechanism insulation isolating device according to claim 1, wherein the positioning structure comprises a front side of a transverse section, and the front side of the transverse section is positioned at the rear side of a mounting bracket of the spring operating mechanism; and/or the positioning structure comprises an inner side edge of the longitudinal section, and the inner side edge of the longitudinal section is positioned at the outer side of the bolt installed on the longitudinal baffle plate in the cabinet body.
3. The insulation and isolation device for the busbar and the spring operation mechanism of the switch cabinet as claimed in claim 2, wherein the positioning structure further comprises a front positioning plate vertically arranged on the back of the front part of the left side plate and the back of the front part of the right side plate, and the front positioning plate is positioned in front of the transverse baffle plate on the front part of the cabinet body.
4. The insulation and isolation device for the busbar and the spring operation mechanism of the switch cabinet as claimed in claim 3, wherein the longitudinal sections of the left side plate and the right side plate are provided with positioning lugs at the inner sides, and the positioning lugs are positioned behind bolts mounted on the longitudinal baffle plate in the cabinet body.
5. The insulation and isolation device for the busbar and the spring operating mechanism of the switch cabinet as claimed in claim 1, wherein the combined structure comprises two screws, and the transverse sections of the left side plate and the right side plate are fixed together through the two screws.
6. The insulation and isolation device for the busbar and the spring operation mechanism of the switch cabinet as claimed in claim 1, wherein the left side plate and the right side plate are provided with step-shaped unfilled corner structures at the outer side corners of the connecting parts of the longitudinal section and the transverse section.
7. The switchgear cabinet busbar and spring operating mechanism insulating and isolating device according to claim 6, wherein the left side plate and the right side plate are provided with chamfers at the front outside corners of the longitudinal sections.
8. The insulation and isolation device for the busbar and the spring operating mechanism of the switch cabinet as claimed in claim 1, wherein the left side plate and the right side plate are made of FR-4 epoxy plates, and the left insulation handle and the right insulation handle are made of nylon.
CN202111180907.7A 2021-10-11 2021-10-11 Insulating isolation device for busbar and spring operation mechanism of switch cabinet Pending CN113904241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111180907.7A CN113904241A (en) 2021-10-11 2021-10-11 Insulating isolation device for busbar and spring operation mechanism of switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111180907.7A CN113904241A (en) 2021-10-11 2021-10-11 Insulating isolation device for busbar and spring operation mechanism of switch cabinet

Publications (1)

Publication Number Publication Date
CN113904241A true CN113904241A (en) 2022-01-07

Family

ID=79191229

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111180907.7A Pending CN113904241A (en) 2021-10-11 2021-10-11 Insulating isolation device for busbar and spring operation mechanism of switch cabinet

Country Status (1)

Country Link
CN (1) CN113904241A (en)

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