CN113991452A - Precision centrally-mounted switch cabinet - Google Patents
Precision centrally-mounted switch cabinet Download PDFInfo
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- CN113991452A CN113991452A CN202111175534.4A CN202111175534A CN113991452A CN 113991452 A CN113991452 A CN 113991452A CN 202111175534 A CN202111175534 A CN 202111175534A CN 113991452 A CN113991452 A CN 113991452A
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- conductive connecting
- connecting seat
- inlet wire
- electrically conductive
- switch cover
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- 239000004020 conductor Substances 0.000 claims description 80
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 abstract description 16
- 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 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a precise centrally-mounted 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 respectively 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, the contact box is arranged in the rear cavity and is fixedly arranged on 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 on the front side and the rear side of the lower partition plate, the second conductive connecting seat of the contact box extends downwards, and the first conductive connecting seat and the second conductive connecting seat of the grounding switch cover both extend backwards. The precision centrally-mounted switch cabinet has the advantages of compact structure, convenience in disassembly and assembly and higher safety.
Description
Technical Field
The invention relates to a precise centrally-mounted switch cabinet.
Background
The existing centrally-mounted switch cabinet generally comprises a cabinet body, the cabinet body comprises a cavity, the cavity is divided into an upper cavity positioned at the front part of the cabinet body, a lower cavity and a rear cavity positioned at the rear part of the cabinet body by a plurality of partition plates, the front part of the cabinet body is respectively provided with a cabinet door corresponding to the upper cavity and the lower cavity, a handcart type circuit breaker is arranged in the upper cavity, a cable is arranged in the lower cavity in a penetrating manner, the cable extends to the outer side of the cabinet body through the bottom of the lower cavity in a penetrating manner, a grounding switch cover, a contact box and a copper bar and other parts for electric connection are arranged in the rear cavity, wherein the grounding switch cover and the grounding switch are arranged behind the lower cavity, the grounding switch is positioned below the grounding switch cover, the contact box is arranged behind the upper cavity, the grounding switch cover and the grounding switch are matched for on-off, a wiring end of the grounding switch cover forwardly penetrates and extends to the lower cavity and is matched with the cable for wiring, the other wiring end extends towards the rear of the cabinet body and is connected with the contact box through a copper bar, and the contact box is connected with the handcart type circuit breaker in the upper cavity in a matching mode.
The existing centrally-installed switch cabinet has the following defects:
firstly, the cable is arranged in a lower chamber 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 processes need to be respectively carried out at the front part and the rear part of the cabinet body, so that the operation is inconvenient;
thirdly, the cabinet body has larger integral volume and occupies more space especially in the height direction due to the limitation of the internal structure layout;
fourthly, the transmission structure between the grounding switch and the actuating mechanism is complex, which is not beneficial to maintenance;
fifth, the safety of the contact box needs to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a precise centrally-mounted switch cabinet which is compact in structure, convenient to disassemble and assemble and higher in safety.
In order to achieve the purpose, the invention provides a precise centrally-mounted 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 respectively comprise a first conductive connecting seat and a second conductive connecting seat, the cabinet body comprises three chambers which are respectively an upper chamber and a lower chamber positioned in the front of the cabinet body and a rear chamber positioned in the rear 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 on the rear side of the upper partition plate, the first conductive connecting seat of the contact box is in fit penetrating connection with the first through hole, 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, and the grounding switch cover are respectively fixedly arranged on the front and rear sides of the lower partition plate and through the second through hole The hole carries out the break-make and connects, and the second of contact box electrically conducts the connecting seat and extends the setting downwards, and the first electrically conductive connecting seat of earthing switch cover, the electrically conductive connecting seat of second all extend the setting towards the rear, and the first electrically conductive connecting seat of earthing switch cover and the electrically conductive connecting seat of second of contact box are connected through first switching part, and the electrically conductive connecting seat of second of earthing switch cover is connected with the second switching part, the second switching part is including the connector that extends the setting downwards.
Furthermore, a power mechanism and a transmission mechanism are respectively arranged in the lower chamber, the power mechanism is fixedly arranged on the inner wall of the bottom of the lower chamber, 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 the transmission shaft to rotate, and a connecting rod which is connected between the transmission shaft and the grounding switch and used for driving the grounding switch to be switched on and off.
Further, earthing switch is including the casing, and the casing rear side is provided with the mounting groove, rotates in the mounting groove and is provided with the drive shaft that is used for driving the plug-in strip wobbling, be provided with the break-make on the drive shaft and instruct the piece, the casing front side is provided with the visual window in the position of corresponding break-make and instruct the piece.
Further, the earthing switch cover includes the cover body, the cover body front side is including the recess, be provided with in the recess with the electrically conductive contact element of earthing switch cooperation break-make, the cover body downside is provided with the opening that is linked together with the recess, the electrically conductive connecting seat of first electrically conductive connecting seat and the electrically conductive connecting seat of second of earthing switch cover all set up the rear side at the cover body, the embedded electric conductor that is provided with of the cover body, the electric conductor is the U type, the middle part and the electrically conductive contact element cooperation of electric conductor are connected, the both ends of electric conductor are connected with the electrically conductive connecting seat of first electrically conductive connecting seat of earthing switch cover, the electrically conductive connecting seat cooperation of second of earthing switch cover respectively.
Furthermore, the rear chamber comprises an extending part extending to the lower part of the upper chamber, the grounding switch cover is arranged in the extending 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 extending 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.
Furthermore, the contact box comprises an insulating box body, the first conductive connecting seat of the contact box comprises three inlet wire mounting holes arranged at the front side of the insulating box body, three inlet wire conductors are embedded in the insulating box body, the second conductive connecting seats of the contact box are arranged at the lower side of the insulating box body in a transverse arrangement mode, one ends of the three inlet wire conductors extend to be arranged at positions corresponding to the centers of the three inlet wire mounting holes respectively, the first connecting hole is arranged at the central position of the bottom of each inlet wire mounting hole, the other ends of the three inlet wire conductors are connected with the second conductive connecting seats of the three contact boxes respectively in a matching mode, each inlet wire conductor comprises at least two linear extending sections, and the linear extending sections of the three inlet wire conductors extend along the same plane, one of the incoming line conductors also comprises a U-shaped extension section which is not positioned on the plane, and the concave part of the U-shaped extension section is used for the linear extension sections of other incoming line conductors to extend and penetrate.
Further, three inlet wire conductor is respectively for arranging first inlet wire conductor, second inlet wire conductor, the third inlet wire that sets up in proper order, first inlet wire conductor is including two first straight line extension sections that extend the setting along the equidirectional respectively, and the second inlet wire conductor is including two second straight line extension sections that extend the setting along the equidirectional respectively, and the third inlet wire conductor is including U type extension section and two third straight line extension sections that extend the setting along the same direction, and two third straight line extension sections of third inlet wire conductor set up respectively in the both sides position of one of them second straight line extension section of second inlet wire conductor, the both ends of U type extension section are connected with two third straight line extension sections respectively, and one of them second straight line extension section of second inlet wire conductor extends and sets up in the notch of U type extension section.
Furthermore, one end of the incoming line conductor is provided with a connecting part which is connected with the first connecting hole in a matched mode, and the connecting part is provided with a second connecting hole which is used for being connected with the incoming line insert in a matched mode.
Furthermore, the lower side of the insulating box body is provided with a boss, the second conductive connecting seats of the three contact boxes are connected to the boss, and the U-shaped extension section is embedded in the boss.
The invention has the beneficial effects that: by adopting the technical scheme, the cable can be arranged in the rear cavity in a penetrating manner and is in conductive connection with the grounding switch cover through the matching of the connectors, the circuit layout is configured 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 the lower cabinet door at the front part of the cabinet body, the grounding switch and the grounding switch cover are in connection and matching in the front-back direction, and the first conductive connecting seat and the second connecting seat of the grounding switch cover extend towards the rear part, so that the occupation of the internal space of the cabinet body can be reduced, particularly the overall height of the cabinet body can be greatly reduced, and the structure of the cabinet body can be 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 of an internal structure of a grounding switch according to an embodiment of the present invention;
FIG. 5 is a block diagram of the earthing switch cover of the embodiment of the present invention 1;
FIG. 6 is a block diagram of the earthing switch cover of the embodiment of the present invention 2;
FIG. 7 is a cross-sectional view of a ground switch cover according to an embodiment of the present invention;
FIG. 8 is a block diagram of a contact box of an embodiment of the present invention 1;
FIG. 9 is a front view of a contact box according to an embodiment of the present invention;
figure 10 is a schematic perspective view of the structural layout of three incoming conductors of a contact box of an embodiment of the present invention;
figure 11 is a side view of the structural layout of three incoming conductors of a contact box of an embodiment of the present invention.
Detailed Description
The embodiment of the precise centrally-mounted switch cabinet is shown in figures 1-11: the contact box comprises a cabinet body 1, a contact box 2, a grounding switch 3 and a grounding switch cover 4, wherein the contact box 2 and the grounding switch cover 4 are arranged in the cabinet body 1, the contact box 2 and the grounding switch cover 4 respectively 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 and a lower chamber 12 positioned in the front part of the cabinet body 1 and a rear chamber 13 positioned at the rear part of the cabinet body 1, the front side of the cabinet body 1 respectively comprises an upper cabinet door and a lower cabinet door which are 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, 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, a 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 a handcart type circuit breaker 9 in the upper chamber 11, the lower baffle 15 is provided with a second through hole, the earthing switch 3 and the earthing switch cover 4 are respectively arranged in the lower cavity 12 and the rear cavity 13, the earthing switch 3 and the earthing switch cover 4 are respectively installed and fixed at the front side and the rear side of the lower baffle 15 and are connected in an on-off manner through the second through hole, the knife switch 31 of the earthing switch 3 can be penetrated and swung by the second through hole, the second conductive connecting seat 22 of the contact box 2 extends downwards, the first conductive connecting seat 41 and the second conductive connecting seat 42 of the earthing switch cover 4 both extend backwards, so that a worker can conveniently perform wiring installation on the cabinet at the rear side of the cabinet, the first conductive connecting seat 41 of the earthing 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 earthing switch cover 4 is connected with the second switching part 6, the second switching part 6 comprises a connecting head 61 extending downwards, the connector 61 is used for being matched with a cable for conducting connection, and a current transformer 62 is further arranged on the connector 61
In addition, a visual window is also arranged on the lower cabinet door, and a worker can directly observe the on-off indication block 34 under the condition that the lower cabinet door is not opened. The grounding switch of the existing centrally-mounted switch cabinet is arranged in the rear chamber 13 and cannot be directly observed, and a sensor is usually required to be additionally arranged to detect the on-off state, so that the traditional mode has higher implementation cost and poorer reliability compared with the traditional mode.
The earthing 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 contact with and are conductive with the knife switch 31 of the earthing 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, a first conductive connecting seat 41 and a second conductive connecting seat 42 of the earthing switch cover 4 are both arranged on the rear side of the cover body 40, the first conductive connecting seat 41 and the second conductive connecting seat 42 of the earthing switch cover 4 are three and are respectively arranged along the transverse direction of the cover body 40, the three first conductive connecting seats 41 and the three second conductive connecting seats 42 of the earthing switch cover 4 are correspondingly arranged along the longitudinal direction of the cover body 40, three electric conductors 44 are embedded in the cover body 40, the electric conductors 44 are U-shaped, the middle parts of the three electric conductors 44 are exposed in the groove 401 and are fixedly connected with the conductive contact parts 43 through bolts, two ends of the conductor 44 are respectively connected with the first conductive connection socket 41 of the ground switch cover 4 and the second conductive connection socket 42 of the ground switch cover 4 in a matching manner. The first conductive connecting seat 41 is embedded with the shielding net 411, the arrangement of the shielding net 411 can avoid or reduce the possibility of partial discharge, the noise generated can be reduced, and the operation is more silent and safer.
The cover body 40 rear side corresponds every vertical electrically conductive connecting seat 41 that corresponds between electrically conductive connecting seat 42 of homogeneous body and is provided with protruding muscle 403, and the both ends of protruding muscle 403 are connected with electrically conductive connecting seat 41 of first electrically conductive connecting seat and second 42 respectively, the middle part of electric conductor 44 is embedded in protruding muscle 403, and the setting of protruding muscle 403 can improve parcel nature and the insulating nature to electric conductor 44, improves adjacent electrically conductive connecting seat 41 and the structural strength of the electrically conductive connecting seat 42 of second, also can improve the aesthetic property.
The groove 401 is provided with a partition 404 for separating adjacent conductors 44, so that the creepage distance between adjacent switching parts can be increased, and the safety can be improved.
The peripheral inner side wall of the groove 401 corresponding to the conductive contact part 43 is provided with the waveform lines 405 in an extending mode, the waveform lines 405 extend and are distributed along the two sides of the cover body 1, the arrangement of the waveform lines 405 can further improve the creepage distance of adjacent opening and closing parts, and the safety in use is improved.
The rear chamber 13 includes an extending portion 131 extending to a lower portion of the upper chamber, the ground switch cover 4 is disposed in the extending portion 131, the first conductive connection socket 41 of the ground switch cover 4 is correspondingly disposed at an upper position of the second conductive connection socket 42 of the ground switch cover 4, and an extending length of the first conductive connection socket 41 of the ground switch cover is longer than an extending length of the second conductive connection socket 42 of the ground switch cover. With such a design, the creepage distance between the end connection point of the first conductive connection socket 41 and the end connection point of the second conductive connection socket 42 can be increased, and the cable can be arranged at the center position of the rear chamber 13, thereby improving the safety.
The contact box 2 comprises an insulation box body 20, a first conductive connecting seat 21 of the contact box 2 comprises three inlet wire mounting holes 211 and three outlet wire mounting holes 212 which are arranged on the front side of the insulation box body 20, the three inlet wire mounting holes 211 and the three outlet wire mounting holes 212 are used for being matched and butted with a handcart type circuit breaker, three inlet wire conductors (231,232,333) are embedded in the insulation box body 20, second conductive connecting seats 22 of the contact box 2 are arranged on the lower side of the insulation box body 20 in a transverse arrangement mode, one ends of the three inlet wire conductors are respectively arranged at positions corresponding to the centers of the three inlet wire mounting holes 211 in an extending mode, a first connecting hole 2111 is arranged at the center position of the bottom of the three inlet wire mounting holes 211, the other ends of the three inlet wire conductors are respectively matched and connected with the second conductive connecting seats 22 of the three contact boxes 2, and each inlet wire conductor comprises at least two straight line extending sections, the linear extension sections of the three incoming line conductors extend along the same plane, one of the incoming line conductors further comprises a U-shaped extension section 2331 which is not located on the plane, and the concave portion of the U-shaped extension section 2331 is used for the linear extension sections of the other incoming line conductors to extend and penetrate.
The first incoming conductor 231 includes a first straight-line extending section a2311 and a first straight-line extending section B2312 which are respectively extended along different directions, the second incoming conductor 232 includes a second straight-line extending section a2321 and a second straight-line extending section B2322 which are respectively extended along different directions, the third incoming conductor 233 includes a U-shaped extending section 2331 and two third straight-line extending sections 2332 which are extended along the same direction, two third straight-line extending sections 2332 of the third incoming conductor 233 are respectively arranged at two sides of the second straight-line extending section a2321 of the second incoming conductor 232, two ends of the U-shaped extending section 2331 are respectively connected with the two third straight-line extending sections 2332, the second straight-line extending section a2321 of the second incoming conductor 232 is extended and arranged in a notch of the U-shaped extending section 2331, the first straight-line extending section a 1 of the first incoming conductor 231, the second straight-line extending section a2321 of the second incoming conductor 232, The two third straight extension sections 2332 of the third wire incoming conductor 233 are arranged in parallel, the first wire incoming conductor 231, the second wire incoming conductor 232 and the two third straight extension sections 2332 of the third wire incoming conductor 233 are all arranged on the same plane in an extending mode, the U-shaped extension section 2331 of the third wire incoming conductor 233 is arranged on the other plane perpendicular to the plane in an extending mode, and the second straight extension section a2321 of the second wire incoming conductor 232 extends through the concave portion of the U-shaped extension section 2331. The first straight extension B2312 of the first incoming conductor 231 is arranged extending obliquely with respect to the first straight extension a2311, and the second straight extension B2322 of the second incoming conductor 232 is arranged extending obliquely with respect to the second straight extension a 2321.
One end of the incoming line conductor is provided with a connection portion 230 in mating connection with the first connection hole 2111, and the connection portion 230 is provided with a second connection hole for mating connection with the incoming line insert.
In addition, the center position of the bottom of the three outgoing line mounting holes 212 is embedded with a conductive connecting piece 24, the conductive connecting piece 24 is used for being connected with the outgoing line insert in a matched mode, slots 201 communicated to the conductive connecting piece 24 are formed in the two sides of the insulating box body 20, through grooves are formed in the positions, corresponding to the slots 201, of the two sides of the cabinet body, and therefore the contact boxes 2 of adjacent middle-placed cabinets can be conveniently connected through copper bars.
Adopt the structural layout mode of above-mentioned three inlet wire conductor, make the one end of three inlet wire conductor can extend the setting respectively and be in the position corresponding with the first connecting hole in center of three inlet wire mounting hole, make the inlet wire inserts can be directly connected through the first connecting hole at inlet wire mounting hole center and inlet wire conductor cooperation, need not rethread conductive connection piece etc. to switch between inlet wire inserts and the inlet wire conductor, thereby holistic structure is more simple, spare part still less, it is also more convenient to assemble, can reduce the emergence of the bad condition of conductive contact, better security has.
The lower side of the insulating box body 20 is provided with a boss 202, the second conductive connecting seats 22 of the three contact boxes 2 are all connected on the boss 202, and the U-shaped extension 2331 is embedded in the boss 202. The boss 202 is configured to receive the U-shaped extension 2331, so as to avoid the over-width of the insulating case 20 in the front and rear direction, and to make the overall structure more compact.
The above embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a put cubical switchboard in refinement, including the cabinet body and set up the contact box in the cabinet body, earthing switch cover, 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 respectively for being located the anterior last cavity of the cabinet body, the back cavity at lower cavity and being located cabinet body rear portion, go up through last baffle between cavity and the back cavity and separate its characterized in that through lower baffle before lower cavity and the back cavity: the upper baffle 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 baffle plate, a first conductive connecting seat of the contact box is in fit penetrating connection with the first through hole, the lower baffle plate is provided with a second through hole, earthing switch and earthing switch cover set up respectively under in cavity and the back cavity, earthing switch and earthing switch cover install respectively fixed baffle around both sides and pass through the second through-hole carries out the break-make and connects, and the electrically conductive connecting seat of second of contact box extends the setting downwards, and the electrically conductive connecting seat of first electrically conductive connecting seat of earthing switch cover, the electrically conductive connecting seat of second all extend the setting towards the rear, and the electrically conductive connecting seat of first electrically conductive connecting seat of earthing switch cover and the second of contact box is connected through first switching part, and the electrically conductive connecting seat of second of earthing switch cover is connected with second switching part, second switching part is including the connector that extends the setting downwards.
2. The precision centrally-mounted switchgear cabinet according to claim 1, characterized in that: the lower chamber is internally and respectively provided with a power mechanism and a transmission mechanism, the power mechanism is fixedly arranged on the inner wall of the bottom of the lower chamber 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 the transmission shaft to rotate and a connecting rod which is connected and arranged between the transmission shaft and the grounding switch, and the connecting rod is used for driving the grounding switch to be switched on and off.
3. The precision centrally-mounted switchgear cabinet according to claim 1, characterized in that: earthing switch is including the casing, and the casing rear side is provided with the mounting groove, rotates in the mounting groove to be provided with and is used for driving the wobbling drive shaft of plug-in strip, be provided with the break-make on the drive shaft and instruct the piece, the casing front side is provided with the visual window in the position of corresponding break-make and instruct the piece.
4. The precision centrally-mounted switchgear cabinet according to claim 1, characterized in that: the earthing switch cover includes the cover body, the cover body front side is including the recess, be provided with in the recess with the electrically conductive contact element of earthing switch cooperation break-make, the cover body downside is provided with the opening that is linked together with the recess, the electrically conductive connecting seat of first electrically conductive connecting seat and the electrically conductive connecting seat of second of earthing switch cover all set up the rear side at the cover body, the embedded electric conductor that is provided with of the cover body, the electric conductor is the U type, the middle part and the electrically conductive contact element cooperation of electric conductor are connected, the both ends of electric conductor are connected with the electrically conductive connecting seat of first electrically conductive connecting seat of earthing switch cover, the electrically conductive connecting seat cooperation of second of earthing switch cover respectively.
5. The precision centrally installed switchgear according to claim 1 or 4, wherein: the rear cavity comprises an extending part extending to the lower part of the upper cavity, the grounding switch cover is arranged in the extending 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 extending 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.
6. The precision centrally-mounted switchgear cabinet according to claim 1, characterized in that: the contact box comprises an insulating box body, the first conductive connecting seats of the contact box comprise three inlet wire mounting holes arranged on the front side of the insulating box body, three inlet wire conductors are embedded in the insulating box body, the second conductive connecting seats of the contact box are arranged on the lower side of the insulating box body in a transverse mode, one ends of the three inlet wire conductors extend to be arranged at positions corresponding to the centers of the three inlet wire mounting holes respectively, the first connecting holes are arranged at the central positions of the bottoms of the three inlet wire mounting holes, the other ends of the three inlet wire conductors are connected with the second conductive connecting seats of the three contact boxes in a matched mode respectively, each inlet wire conductor comprises at least two linear extending sections, and the linear extending sections of the three inlet wire conductors extend along the same plane, one of the incoming line conductors also comprises a U-shaped extension section which is not positioned on the plane, and the concave part of the U-shaped extension section is used for the linear extension sections of other incoming line conductors to extend and penetrate.
7. The precision centrally-mounted switchgear according to claim 6, wherein: three inlet wire conductor is first inlet wire conductor, second inlet wire conductor, the third inlet wire conductor that sets up for arranging in proper order respectively, and first inlet wire conductor extends the first straight line extension section that sets up including two respectively along the equidirectional extension, and the second inlet wire conductor extends the second straight line extension section that sets up including two respectively along the equidirectional extension, and the third inlet wire conductor is including U type extension section and two third straight line extension sections that extend the setting along the equidirectional extension, and two third straight line extension sections of third inlet wire conductor set up the both sides position in one of them second straight line extension section of second inlet wire conductor respectively, the both ends of U type extension section are connected with two third straight line extension sections respectively, and one of them second straight line extension section of second inlet wire conductor extends and sets up in the notch of U type extension section.
8. The precision centrally-mounted switchgear according to claim 6, wherein: one end of the incoming line conductor is provided with a connecting part which is connected with the first connecting hole in a matched mode, and the connecting part is provided with a second connecting hole which is used for being connected with the incoming line insert in a matched mode.
9. The precision centrally-mounted switchgear according to claim 6, wherein: the lower side of the insulation box body is provided with a boss, the second conductive connecting seats of the three contact boxes are connected to the boss, and the U-shaped extension section is embedded in the boss.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111175534.4A CN113991452B (en) | 2021-10-09 | 2021-10-09 | Accurate centrally-mounted switch cabinet |
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| CN202111175534.4A CN113991452B (en) | 2021-10-09 | 2021-10-09 | Accurate centrally-mounted switch cabinet |
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| CN113991452B CN113991452B (en) | 2024-02-09 |
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Citations (6)
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|---|---|---|---|---|
| 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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| CN113991452B (en) | 2024-02-09 |
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