CN113991452B - Accurate centrally-mounted switch cabinet - Google Patents
Accurate centrally-mounted switch cabinet Download PDFInfo
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- CN113991452B CN113991452B CN202111175534.4A CN202111175534A CN113991452B CN 113991452 B CN113991452 B CN 113991452B CN 202111175534 A CN202111175534 A CN 202111175534A CN 113991452 B CN113991452 B CN 113991452B
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- grounding switch
- connecting seat
- conductive connecting
- switch cover
- conductive
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- 238000005192 partition Methods 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 69
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/24—Shutters or guards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/28—Earthing arrangements
Abstract
The invention discloses a precise middle-arranged switch cabinet which comprises a cabinet body, a contact box, a grounding switch and a grounding switch cover, wherein the contact box, the grounding switch and the grounding switch cover are arranged in the cabinet body, the contact box and the grounding switch cover both comprise a first conductive connecting seat and a second conductive connecting seat, the cabinet body comprises an upper cavity, a lower cavity and a rear cavity, the upper cavity and the rear cavity are separated by an upper partition plate, the lower cavity and the rear cavity are separated by a lower partition plate before, the contact box is arranged in the rear cavity and is fixedly arranged at the rear side of the upper partition plate, the grounding switch and the grounding switch cover are respectively arranged in the lower cavity and the rear cavity, the grounding switch and the grounding switch cover are respectively fixedly arranged at the front side and the rear side of the lower partition plate, the second conductive connecting seats of the contact box are downwards extended, and the first conductive connecting seat and the second conductive connecting seat of the grounding switch cover are respectively extended backward. The precise middle-arranged switch cabinet is compact in structure, convenient to assemble and disassemble and higher in safety.
Description
Technical Field
The invention relates to a precise centrally-mounted switch cabinet.
Background
The prior centrally-mounted switch cabinet generally comprises a cabinet body, wherein the cabinet body comprises a chamber, the chamber is divided into an upper chamber, a lower chamber and a rear chamber, the upper chamber and the lower chamber are positioned at the front part of the cabinet body, the rear chamber is positioned at the rear part of the cabinet body, cabinet doors corresponding to the upper chamber and the lower chamber are respectively arranged at the front part of the cabinet body, a handcart type circuit breaker is arranged in the upper chamber, a cable is arranged in the lower chamber in a penetrating manner, the cable extends to the outer side of the cabinet body through the bottom of the lower chamber in a penetrating manner, a grounding switch cover, a contact box, copper bars and other parts for electric connection are arranged in the rear chamber, the grounding switch cover and the grounding switch are arranged at the rear part of the lower chamber, the grounding switch is positioned below the grounding switch cover, one wiring terminal of the grounding switch cover is arranged in the lower chamber in a penetrating manner and is used for wiring in a matching manner with the cable, the other wiring terminal extends towards the rear part of the cabinet body and is connected with the handcart type circuit breaker in the upper chamber in a matching manner.
The existing centrally-mounted switch cabinet has the following defects:
firstly, the cable is arranged in a lower cavity at the front part of the cabinet body and is matched with a cabinet door, so that certain potential safety hazards exist;
secondly, the disassembly and assembly process is respectively carried out at the front part and the rear part of the cabinet body, so that the operation is inconvenient;
thirdly, the overall volume of the cabinet body is larger due to the limitation of the internal structure layout, and more space is occupied particularly in the height direction;
fourth, the transmission structure between the grounding switch and the actuating mechanism is complex, which is not beneficial to maintenance;
fifth, the safety performance of the contact box needs to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the precise middle-arranged switch cabinet which has compact structure, convenient disassembly and assembly and higher safety.
In order to achieve the above purpose, the invention provides a refined middle-arranged switch cabinet, which comprises a cabinet body, and a contact box, a grounding switch and a grounding switch cover which are arranged in the cabinet body, wherein the contact box and the grounding switch cover both comprise a first conductive connecting seat and a second conductive connecting seat, the cabinet body comprises three chambers which are respectively an upper chamber positioned at the front part of the cabinet body, a lower chamber and a rear chamber positioned at the rear part of the cabinet body, the upper chamber and the rear chamber are separated by an upper partition plate, the lower chamber and the rear chamber are separated by a lower partition plate, the upper partition plate is provided with a first through hole, the contact box is arranged in the rear chamber and is fixedly arranged at the rear side of the upper partition plate, the first conductive connecting seat of the contact box is connected with the first through hole in a penetrating way, the lower partition plate is provided with a second through hole, the grounding switch and the grounding switch cover are respectively arranged in the lower chamber and the rear chamber, the grounding switch cover is respectively fixedly arranged at the front side and the rear side of the lower partition plate and is connected with the second through hole, the second conductive connecting seat of the contact box is downwards arranged on the second conductive connecting seat, the second conductive connecting seat extends downwards to the second conductive connecting seat and extends towards the second connecting seat and the second conductive connecting seat and extends towards the second connecting seat.
Further, a power mechanism and a transmission mechanism are respectively arranged in the lower cavity, the power mechanism is fixedly arranged on the bottom inner wall of the lower cavity, the power mechanism comprises a motor and a speed reduction module, the transmission mechanism comprises a transmission shaft which is matched with the power mechanism to drive rotation, and a connecting rod which is connected between the transmission shaft and the grounding switch and is used for driving the grounding switch to be turned on or off.
Further, the earthing switch is including the casing, and the casing rear side is provided with the mounting groove, and the mounting groove is rotated and is provided with the drive shaft that is used for driving the knife switch wobbling, be provided with the break-make instruction piece on the drive shaft, the casing front side is provided with the visual window in corresponding break-make instruction piece position.
Further, the earthing switch cover includes the cover body, cover body front side is including the recess, be provided with in the recess with earthing switch cooperation break-make conductive contact part, cover body downside is provided with the opening that is linked together with the recess, the first conductive connection seat of earthing switch cover and the second conductive connection seat all set up the rear side at the cover body, the embedded electric conductor that is provided with of cover body, the electric conductor is the U type, the middle part and the conductive contact part cooperation of electric conductor are connected, the both ends of electric conductor are connected with the first conductive connection seat of earthing switch cover, the second conductive connection seat cooperation of earthing switch cover respectively.
Further, the rear chamber comprises an extension part extending to the lower part of the upper chamber, the grounding switch cover is arranged in the extension part, the first conductive connecting seat of the grounding switch cover is correspondingly arranged above the second conductive connecting seat of the grounding switch cover, and the extension length of the first conductive connecting seat of the grounding switch cover is longer than that of the second conductive connecting seat of the grounding switch cover.
Further, the contact box includes insulating box body, the first conductive connection seat of contact box is including three inlet wire mounting hole that sets up at insulating box body front side, the insulating box body is embedded to have three inlet wire conductor, the second conductive connection seat of contact box is three and transverse arrangement sets up the downside at insulating box body, the one end of three inlet wire conductor extends the setting respectively in the position corresponding with the center of three inlet wire mounting hole, the central point of three inlet wire mounting hole bottom is provided with first connecting hole, the other end of three inlet wire conductor is connected with the second conductive connection seat cooperation of three contact box respectively, every inlet wire conductor all is including at least two sharp extension, the sharp extension of three inlet wire conductor all extends the setting along same plane, one of them inlet wire conductor is still including the U type extension that is not located on the plane, the concave part of U type extension supplies the sharp extension of other inlet wire conductors to extend to wear to establish.
Further, the three incoming conductors are respectively a first incoming conductor, a second incoming conductor and a third incoming conductor which are sequentially arranged, the first incoming conductor comprises two first linear extending sections which are respectively arranged in an extending mode along different directions, the second incoming conductor comprises two second linear extending sections which are respectively arranged in an extending mode along different directions, the third incoming conductor comprises a U-shaped extending section and two third linear extending sections which are respectively arranged in an extending mode along the same direction, the two third linear extending sections of the third incoming conductor are respectively arranged at two side positions of one second linear extending section of the second incoming conductor, two ends of the U-shaped extending section are respectively connected with the two third linear extending sections, and one second linear extending section of the second incoming conductor is arranged in a notch of the U-shaped extending section in an extending mode.
Further, one end of the incoming wire conductor is provided with a connecting portion which is connected with the first connecting hole in a matching mode, and a second connecting hole which is used for being connected with the incoming wire insert in a matching mode is formed in the connecting portion.
Further, the downside of insulating box body is provided with the boss, and the second conductive connection seat of three contact box all is connected on the boss, U type extension is embedded in the boss.
The beneficial effects of the invention are as follows: by adopting the technical scheme, the cable can be arranged in the rear cavity in a penetrating way and is in conductive connection with the grounding switch cover through the matching of the connector, the circuit layout is arranged in the rear cavity at the rear part of the cabinet body, the safety can be improved, the electric shock danger of workers is avoided, the grounding switch is arranged in the lower cavity at the front part of the cabinet body, the grounding switch can be conveniently overhauled by matching with the lower cabinet door at the front part of the cabinet body, the grounding switch and the grounding switch cover are in front-rear connection and the first conductive connection seat and the second connection seat of the grounding switch cover are both arranged in an extending way towards the rear direction, besides the convenience of disassembly and the establishment of circuit connection, the occupation of the space in the cabinet body can be reduced, and particularly the overall height of the cabinet body can be reduced, so that the cabinet body structure is more compact.
Drawings
FIG. 1 is a side view of the internal structure of an embodiment of the present invention;
FIG. 2 is a perspective view of the internal structure of an embodiment of the present invention;
FIG. 3 is a block diagram of a grounding switch according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating an internal structure of a grounding switch according to an embodiment of the present invention;
FIG. 5 is a block diagram of the grounding switch cover of an embodiment of the present invention shown in FIG. 1;
FIG. 6 is a block diagram of a grounding switch cover in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a grounding switch housing in accordance with an embodiment of the present invention;
FIG. 8 is a block diagram of the contact box of an embodiment of the present invention in FIG. 1;
fig. 9 is a front view of a contact box according to an embodiment of the present invention;
fig. 10 is a schematic perspective view of a structural layout of three incoming conductors of a contact box according to an embodiment of the present invention;
fig. 11 is a schematic side view of the structural layout of three incoming conductors of a contact box according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention for a precision center switchgear are shown in fig. 1-11: comprises a cabinet body 1, a contact box 2, a grounding switch 3 and a grounding switch cover 4 which are arranged in the cabinet body 1, wherein the contact box 2 and the grounding switch cover 4 comprise a first conductive connecting seat and a second conductive connecting seat, the cabinet body 1 comprises three chambers which are an upper chamber 11, a lower chamber 12 and a rear chamber 13 which are respectively positioned at the front part of the cabinet body 1 and at the rear part of the cabinet body 1, the front side of the cabinet body 1 comprises an upper cabinet door and a lower cabinet door which are respectively arranged corresponding to the upper chamber 11 and the lower chamber 12, the upper chamber 11 and the rear chamber 13 are separated by an upper partition plate 14, the lower chamber 12 and the rear chamber 13 are separated by a lower partition plate 15 before, the upper partition plate 14 is provided with a first through hole, the contact box 2 is arranged in the rear chamber 13 and is fixedly arranged at the rear side of the upper partition plate 14, the first conductive connecting seat 21 of the contact box 2 is matched and penetrated and connected with the first through hole, the first conductive connecting seat 21 is used for being matched and connected with the handcart type circuit breaker 9 in the upper chamber 11, the lower partition plate 15 is provided with a second through hole, the grounding switch 3 and the grounding switch cover 4 are respectively arranged in the lower chamber 12 and the rear chamber 13, the grounding switch 3 and the grounding switch cover 4 are respectively arranged and fixed on the front side and the rear side of the lower partition plate 15 and are connected with each other through the second through hole, the second through hole can be used for enabling the knife 31 of the grounding switch 3 to pass through and swing, the second conductive connecting seat 22 of the contact box 2 is arranged in a downward extending way, the first conductive connecting seat 41 and the second conductive connecting seat 42 of the grounding switch cover 4 are arranged in a rearward extending way, the wiring installation of the grounding switch cover 4 is facilitated for workers at the rear of the cabinet body, the first conductive connecting seat 41 of the grounding switch cover 4 and the second conductive connecting seat 22 of the contact box 2 form conductive connection through the first switching part 5, the second conductive connecting seat 22 of the grounding switch cover 4 is connected with a second switching component 6, the second switching component 6 comprises a connector 61 extending downwards, the connector 61 is used for being in conductive connection with a cable, and a current transformer 62 is further arranged on the connector 61
The power mechanism 7 and the transmission mechanism 8 are respectively arranged in the lower cavity 12, the power mechanism 7 is fixedly arranged on the bottom inner wall of the lower cavity 12, overhaul is convenient, the power mechanism 7 comprises a motor and a speed reduction module, the transmission mechanism comprises a transmission shaft 81 which is matched with the power mechanism 7 to drive and rotate, and a connecting rod 82 which is connected between the transmission shaft 81 and the grounding switch 3 is connected, the connecting rod 82 can be driven to swing based on rotation of the transmission shaft 81, the connecting rod 82 is connected with a driving shaft 32 of the grounding switch 3, and the driving shaft 32 is connected with a knife 31 so as to drive the knife 31 to swing so as to realize on-off. The transmission shaft 81 may be connected to the door lock by another link, so as to realize a protection function such as prohibiting a closing operation when the door is opened.
The grounding switch 3 comprises a shell 33, a mounting groove is formed in the rear side of the shell 33, a driving shaft 32 for driving the knife 31 to swing is rotationally arranged in the mounting groove, an on-off indicating block 34 is arranged on the driving shaft 32, one end of the driving shaft 32 penetrates through the shell 33 to be placed on the outer side and is used for being matched and connected with the connecting rod 82, a visible window 331 is formed in the front side of the shell 33 at the position corresponding to the on-off indicating block 34, the driving shaft 32 can drive the on-off indicating block 34 to rotate to different positions while driving the knife 31 to rotate, and visual judgment is carried out on the on-off state of the grounding switch 3 through visual window 331, wherein the on-off state can be conveniently observed through the on-off indicating block 34.
In addition, the lower cabinet door is also provided with a visual window, and a worker can directly observe the on-off indicating block 34 under the condition that the lower cabinet door is not opened. The grounding switch of the traditional centrally-mounted switch cabinet is arranged in the rear cavity 13, so that the traditional centrally-mounted switch cabinet cannot be directly observed, and a sensor is usually required to be additionally arranged to detect the on-off state.
The grounding switch cover 4 comprises a cover body 40, the front side of the cover body 40 comprises a groove 401, three conductive contact parts 43 which are in matched contact with the knife 31 of the grounding switch 3 are arranged in the groove 401, an opening 402 which is communicated with the groove 401 is arranged on the lower side of the cover body 40, the first conductive connection seat 41 and the second conductive connection seat 42 of the grounding switch cover 4 are arranged on the rear side of the cover body 40, the first conductive connection seat 41 and the second conductive connection seat 42 of the grounding switch cover 4 are respectively arranged transversely along the cover body 40, the three first conductive connection seats 41 and the three second conductive connection seats 42 of the grounding switch cover 4 are arranged longitudinally and in one-to-one correspondence along the cover body 40, three conductive bodies 44 are embedded in the cover body 40, the middle parts of the three conductive bodies 44 are exposed in the groove 401, conductive fixed connection is established through bolts and the conductive contact parts 43, and two ends of the conductive bodies 44 are respectively connected with the first conductive connection seat 41 of the grounding switch cover 4 and the second conductive connection seat 42 of the grounding switch cover 4 in a matched mode. The shielding net 411 is embedded in the first conductive connecting seat 41, so that the possibility of partial discharge can be avoided or reduced due to the shielding net 411, the generated noise can be reduced, and the shielding net is more mute and safer during operation.
The cover body 40 rear side all is provided with protruding muscle 403 in an organic whole between corresponding every first conductive connection seat 41 that vertically corresponds and the conductive connection seat 42 of second, and the both ends of protruding muscle 403 are connected with first conductive connection seat 41 and the conductive connection seat 42 of second respectively, the middle part of electric conductor 44 is embedded in protruding muscle 403, and protruding muscle 403's setting can improve parcel nature and the insulating nature to electric conductor 44, improves the structural strength of adjacent first conductive connection seat 41 and the conductive connection seat 42 of second, also can improve aesthetic property.
The grooves 401 are provided with the partition plates 404 for separating the adjacent conductors 44, so that the creepage distance of the adjacent opening and closing positions can be increased, and the safety can be improved.
The wave pattern 405 is arranged on the inner side walls of the grooves 401 corresponding to the conductive contact parts 43 in an extending mode, the wave pattern 405 extends and is distributed along the two sides of the cover body 1, the creepage distance of the adjacent opening and closing positions can be further improved through the arrangement of the wave pattern 405, and safety during use is improved.
The rear chamber 13 includes an extension portion 131 extending below the upper chamber, the ground switch cover 4 is disposed in the extension portion 131, and the first conductive connection seat 41 of the ground switch cover 4 is correspondingly disposed above the second conductive connection seat 42 of the ground switch cover 4, and the extension length of the first conductive connection seat 41 of the ground switch cover is longer than the extension length of the second conductive connection seat 42 of the ground switch cover. By adopting the design, the creepage distance between the end wiring position of the first conductive connecting seat 41 and the end wiring position of the second conductive connecting seat 42 can be increased, and the cable can be arranged at the central position of the rear cavity 13, so that the safety is improved.
The contact box 2 comprises an insulation box body 20, the first conductive connecting seat 21 of the contact box 2 comprises three wire inlet mounting holes 211 and three wire outlet mounting holes 212 which are formed in the front side of the insulation box body 20, the three wire inlet mounting holes 211 and the three wire outlet mounting holes 212 are used for being matched and butted with a handcart type circuit breaker, three wire inlet conductors (231,232,333) are embedded in the insulation box body 20, the second conductive connecting seat 22 of the contact box 2 is three and is transversely arranged on the lower side of the insulation box body 20, one ends of the three wire inlet conductors are respectively arranged at positions corresponding to the centers of the three wire inlet mounting holes 211 in an extending mode, a first connecting hole 2111 is formed in the center position of the bottoms of the three wire inlet mounting holes 211, the other ends of the three wire inlet conductors are respectively connected with the second conductive connecting seat 22 of the three contact box 2 in a matching mode, each wire inlet conductor comprises at least two linear extending sections, the linear extending sections of the three wire inlet conductors are respectively arranged along the same plane, one wire inlet conductor further comprises a U-shaped extending section 2331 which is not located on the plane, and other wire inlet extending sections of the U-shaped extending sections 2331 are respectively provided with linear extending sections of the wire inlet sections.
The first incoming line conductor 231 comprises a first linear extending section A2311 and a first linear extending section B2312 which extend in different directions respectively, the second incoming line conductor 232 comprises a second linear extending section A2321 and a second linear extending section B2322 which extend in different directions respectively, the third incoming line conductor 233 comprises a U-shaped extending section 2331 and two third linear extending sections 2332 which extend in the same direction, the two third linear extending sections 2332 of the third incoming line conductor 233 are respectively arranged at two side positions of the second linear extending section A2321 of the second incoming line conductor 232, two ends of the U-shaped extending section 2331 are respectively connected with the two third linear extending sections 2332, the second linear extending section A2321 of the second incoming line conductor 232 is arranged in a notch of the U-shaped extending section 2331 in an extending mode, the first linear extending section A2311 of the first incoming line conductor 231, the second linear extending section A2321 of the second incoming line conductor 232 and the two third linear extending sections 2332 of the third incoming line conductor 233 are respectively arranged at two side positions of the second linear extending section A2321 of the second incoming line conductor 232, the two third linear extending sections 233 are respectively, and the two third linear extending sections 233 are respectively arranged on the same plane of the second incoming line conductor 233 and the second linear extending section 2332. The first linear extension B2312 of the first incoming conductor 231 extends obliquely with respect to the first linear extension a2311, and the second linear extension B2322 of the second incoming conductor 232 extends obliquely with respect to the second linear extension a 2321.
One end of the incoming wire conductor is provided with a connecting part 230 which is matched and connected with the first connecting hole 2111, and the connecting part 230 is provided with a second connecting hole which is matched and connected with the incoming wire insert.
In addition, the central position of three wire outlet mounting holes 212 bottom inlays and is equipped with electrically conductive connecting piece 24, and electrically conductive connecting piece 24 is used for being connected with wire outlet inserts cooperation, and insulating box body 20's both sides are provided with the intercommunication to electrically conductive connecting piece 24 department slot 201 department is provided with logical groove in cabinet body both sides correspondence slot 201 department, makes things convenient for establishing the connection through the copper bar between the contact box 2 of putting in the cabinet adjacently.
Adopt above-mentioned three inlet wire conductor's structural layout mode for three inlet wire conductor's one end can extend respectively and set up in the position corresponding with the first connecting hole in the center of three inlet wire mounting hole, make the inlet wire inserts can be directly connected with the cooperation of inlet wire conductor through the first connecting hole in inlet wire mounting hole center, need not to pass through electrically conductive connection piece etc. between inlet wire inserts and the inlet wire conductor and transfer, thereby holistic structure is simpler, spare part is fewer, the assembly is also more convenient, can reduce the emergence of electrically conductive contact bad condition, has better security.
The lower side of the insulation box body 20 is provided with a boss 202, the second conductive connecting seats 22 of the three contact boxes 2 are all connected to the boss 202, and the U-shaped extension section 2331 is embedded in the boss 202. The arrangement of the boss 202 can be used for accommodating the U-shaped extension section 2331, so that the insulation box body 20 is prevented from being excessively large in front-back width, and the overall structure is more compact.
The above embodiment is only one of the preferred embodiments of the present invention, and common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention are included in the scope of the present invention.
Claims (7)
1. The utility model provides a put switch cabinet in precision, including the cabinet body and set up contact box, earthing switch, the earthing switch cover in the cabinet body, contact box and earthing switch cover are all including first electrically conductive connecting seat, the electrically conductive connecting seat of second, the cabinet body is including three cavity, it is the last cavity that is located cabinet body front portion respectively, cavity down and be located the back cavity at cabinet body rear portion, separate through last baffle between last cavity and the back cavity, separate through lower baffle before cavity down and the back cavity, its characterized in that: the upper partition plate is provided with a first through hole, the contact box is arranged in the rear cavity and is fixedly arranged at the rear side of the upper partition plate, a first conductive connecting seat of the contact box is connected with the first through hole in a penetrating manner, the lower partition plate is provided with a second through hole, the grounding switch and the grounding switch cover are respectively arranged in the lower cavity and the rear cavity, the grounding switch and the grounding switch cover are respectively fixedly arranged at the front side and the rear side of the lower partition plate and are connected through the second through holes in a connection manner, a second conductive connecting seat of the contact box extends downwards, the first conductive connecting seat and the second conductive connecting seat of the grounding switch cover extend towards the rear, the first conductive connecting seat of the grounding switch cover is connected with the second conductive connecting seat of the contact box through a first switching part, and the second switching part comprises connectors which extend downwards; the grounding switch cover comprises a cover body, wherein the front side of the cover body comprises a groove, a conductive contact part which is matched with the grounding switch to be opened and closed is arranged in the groove, an opening which is communicated with the groove is arranged on the lower side of the cover body, a first conductive connecting seat and a second conductive connecting seat of the grounding switch cover are arranged on the rear side of the cover body, a conductive body is embedded in the cover body and is U-shaped, the middle part of the conductive body is matched and connected with the conductive contact part, and two ends of the conductive body are respectively matched and connected with the first conductive connecting seat of the grounding switch cover and the second conductive connecting seat of the grounding switch cover; the contact box comprises an insulating box body, the first conductive connecting seat of the contact box comprises three wire inlet mounting holes arranged on the front side of the insulating box body, three wire inlet conductors are embedded in the insulating box body, the second conductive connecting seat of the contact box is arranged on the lower side of the insulating box body in a transverse arrangement mode, one ends of the three wire inlet conductors are respectively arranged at positions corresponding to the centers of the three wire inlet mounting holes in an extending mode, the first connecting holes are arranged at the center positions of the bottoms of the three wire inlet mounting holes, the other ends of the three wire inlet conductors are respectively connected with the second conductive connecting seats of the three contact box in a matching mode, each wire inlet conductor comprises at least two linear extending sections, the linear extending sections of the three wire inlet conductors extend along the same plane, one wire inlet conductor further comprises a U-shaped extending section which is not arranged on the plane, and the concave portions of the U-shaped extending sections are used for extending and penetrating through the linear extending sections of other wire inlet conductors.
2. The refined centrally installed switchgear as claimed in claim 1, wherein: the lower cavity is internally provided with a power mechanism and a transmission mechanism respectively, the power mechanism is fixedly arranged on the bottom inner wall of the lower cavity and comprises a motor and a speed reduction module, the transmission mechanism comprises a transmission shaft which is matched with the power mechanism to drive rotation and a connecting rod which is connected between the transmission shaft and a grounding switch, and the connecting rod is used for driving the grounding switch to be turned on or off.
3. The refined centrally installed switchgear as claimed in claim 1, wherein: the earthing switch is including the casing, and the casing rear side is provided with the mounting groove, and the mounting groove rotation is provided with the drive shaft that is used for driving the knife switch wobbling, be provided with the break-make instruction piece in the drive shaft, the casing front side is provided with the visual window in corresponding break-make instruction piece position.
4. The refined centrally installed switchgear as claimed in claim 1, wherein: the rear chamber comprises an extension part extending to the lower part of the upper chamber, the grounding switch cover is arranged in the extension part, and the first conductive connecting seat of the grounding switch cover is correspondingly arranged above the second conductive connecting seat of the grounding switch cover, and the extension length of the first conductive connecting seat of the grounding switch cover is longer than that of the second conductive connecting seat of the grounding switch cover.
5. The refined centrally installed switchgear as claimed in claim 1, wherein: the three inlet wire conductors are respectively a first inlet wire conductor, a second inlet wire conductor and a third inlet wire conductor which are sequentially arranged, the first inlet wire conductor comprises two first linear extending sections which are respectively arranged along different directions, the second inlet wire conductor comprises two second linear extending sections which are respectively arranged along different directions, the third inlet wire conductor comprises a U-shaped extending section and two third linear extending sections which are arranged along the same direction, the two third linear extending sections of the third inlet wire conductor are respectively arranged at two side positions of one second linear extending section of the second inlet wire conductor, two ends of the U-shaped extending section are respectively connected with the two third linear extending sections, and one second linear extending section of the second inlet wire conductor is arranged in a notch of the U-shaped extending section.
6. The refined centrally installed switchgear as claimed in claim 1, wherein: one end of the incoming wire conductor is provided with a connecting part which is connected with the first connecting hole in a matching way, and a second connecting hole which is used for being connected with the incoming wire insert in a matching way is arranged on the connecting part.
7. The refined centrally installed switchgear as claimed in claim 1, wherein: the downside of insulating box body is provided with the boss, and the second conductive connection seat of three contact box is all connected on the boss, U type extension is embedded in the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175534.4A CN113991452B (en) | 2021-10-09 | 2021-10-09 | Accurate centrally-mounted switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175534.4A CN113991452B (en) | 2021-10-09 | 2021-10-09 | Accurate centrally-mounted switch cabinet |
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| CN113991452A CN113991452A (en) | 2022-01-28 |
| CN113991452B true CN113991452B (en) | 2024-02-09 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203180366U (en) * | 2013-03-28 | 2013-09-04 | 杭州禹航电器有限公司 | Double-bus centrally-installed switchgear |
| CN106356752A (en) * | 2016-10-13 | 2017-01-25 | 厦门市恒源新电力设备有限公司 | Small-size centrally-mounted handcart cabinet |
| US9748698B1 (en) * | 2016-06-30 | 2017-08-29 | Te Connectivity Corporation | Electrical connector having commoned ground shields |
| WO2021052053A1 (en) * | 2019-09-18 | 2021-03-25 | 国网浙江省电力有限公司经济技术研究院 | Gas-insulated metal enclosed neutral point complete-set device |
| CN213692745U (en) * | 2020-11-03 | 2021-07-13 | 沈阳飞驰电气设备有限公司 | Middle-arranged high-voltage switch cabinet |
| EP3883074A1 (en) * | 2020-03-17 | 2021-09-22 | ABB Schweiz AG | An electric switchgear for lv and mv applications |
-
2021
- 2021-10-09 CN CN202111175534.4A patent/CN113991452B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203180366U (en) * | 2013-03-28 | 2013-09-04 | 杭州禹航电器有限公司 | Double-bus centrally-installed switchgear |
| US9748698B1 (en) * | 2016-06-30 | 2017-08-29 | Te Connectivity Corporation | Electrical connector having commoned ground shields |
| CN106356752A (en) * | 2016-10-13 | 2017-01-25 | 厦门市恒源新电力设备有限公司 | Small-size centrally-mounted handcart cabinet |
| WO2021052053A1 (en) * | 2019-09-18 | 2021-03-25 | 国网浙江省电力有限公司经济技术研究院 | Gas-insulated metal enclosed neutral point complete-set device |
| EP3883074A1 (en) * | 2020-03-17 | 2021-09-22 | ABB Schweiz AG | An electric switchgear for lv and mv applications |
| CN213692745U (en) * | 2020-11-03 | 2021-07-13 | 沈阳飞驰电气设备有限公司 | Middle-arranged high-voltage switch cabinet |
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| Publication number | Publication date |
|---|---|
| CN113991452A (en) | 2022-01-28 |
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