CN211182929U - High-voltage switch cabinet structure - Google Patents
High-voltage switch cabinet structure Download PDFInfo
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- CN211182929U CN211182929U CN201922383890.XU CN201922383890U CN211182929U CN 211182929 U CN211182929 U CN 211182929U CN 201922383890 U CN201922383890 U CN 201922383890U CN 211182929 U CN211182929 U CN 211182929U
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Abstract
The utility model discloses a high tension switchgear structure, it includes the cabinet body, the internal generating line room, cable chamber and the circuit breaker room of being equipped with of cabinet, wherein the circuit breaker room separates through burst disk and generating line room and cable chamber, the generating line room separates through bent plate and cable chamber, install the three-phase circuit breaker in the circuit breaker room, female arranging is installed to the generating line room, install current transformer, arrester and earthing switch in the cable chamber, wherein current transformer installs the below at the bent plate upside down, arrester and earthing switch install on burst disk. The utility model discloses ability easy access current transformer and earthing switch.
Description
Technical Field
The utility model relates to a cubical switchboard field especially indicates a high tension switchgear structure.
Background
As shown in fig. 1 and fig. 2, the following problems exist in the existing high-voltage switch cabinet:
1. a current transformer 1 'and a grounding switch 2' in a cable chamber A of the switch cabinet are arranged at the rear side of the cabinet body, and most of the space at the rear side of the cabinet body is occupied; the installation positions of the current transformer and the grounding switch increase the difficulty of element installation, and are also not beneficial to field operation and later-period maintenance and repair of the current transformer and the grounding switch;
2. the cabinet body of cubical switchboard adopts cascaded structure, and the generating line 3' of the bus-bar room B at cabinet body top adopts L type to arrange, causes bus-bar room B space narrow and small, is unfavorable for the heat dissipation of bus-bar copper bar, has influenced the electric conductive property of bus-bar copper bar.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be convenient for overhaul current transformer and earthing switch's high tension switchgear structure.
In order to achieve the above purpose, the solution of the present invention is:
a high-voltage switch cabinet structure comprises a cabinet body, wherein a bus chamber, a cable chamber and a breaker chamber are arranged in the cabinet body, the breaker chamber is located in the front of the cabinet body, the bus chamber and the cable chamber are located in the rear of the cabinet body, the cable chamber is located below the bus chamber, the breaker chamber is separated from the bus chamber and the cable chamber through a safety partition plate, the bus chamber is separated from the cable chamber through a bent plate, the bent plate is of an L-shaped structure and comprises a transverse plate and a vertical plate which are connected, the upper end of the vertical plate is connected with the top of the cabinet body, the front end of the transverse plate is connected with the safety partition plate, a three-phase breaker is arranged in the breaker chamber, an A-phase input end, a-phase input end and a-phase input end of the three-phase breaker are respectively connected with an A-phase upper contact box, a-phase upper contact box and a-phase upper contact box of the C-phase, the A-phase upper contact box, the B-phase input end and the C-phase input end of the three-phase breaker are respectively connected with the A-phase upper contact box, the B-phase grounding box of the three-phase breaker is connected with the A-phase grounding switch, the C-phase grounding switch is connected with the A-phase grounding switch, the C-phase grounding switch, the A-phase grounding switch, the C-A-C-A-C-phase switch is connected with the lightning-C grounding switch, the lightning-C grounding switch, the-C.
The phase current transformer A, the phase current transformer B and the phase current transformer C are respectively inversely arranged on the bottom surface of the transverse plate of the bent plate through three drawer type mechanisms; the drawer type mechanism comprises a sliding plate and two sliding rails arranged in parallel along the front-back direction, the two sliding rails are fixedly locked on the bottom surface of the transverse plate of the bent plate, sliding grooves are formed in the two sliding rails, the sliding grooves of the two sliding rails are opposite, the left side and the right side of the sliding plate are respectively inserted into the sliding grooves of the two sliding rails, and the left side and the right side of the sliding plate are respectively fixedly locked with the two sliding rails through screws; the sliding plates of the three drawer type mechanisms are respectively fixed on the tops of the A-phase current transformer, the B-phase current transformer and the C-phase current transformer; the wire inlet end of the phase A current transformer is detachably connected with the phase A contact copper bar through a screw, the wire inlet end of the phase B current transformer is detachably connected with the phase B contact copper bar through a screw, and the wire inlet end of the phase C current transformer is detachably connected with the phase C contact copper bar through a screw; the wire outlet end of the phase A current transformer is detachably connected with the phase A outgoing line copper bar through a screw, the wire outlet end of the phase B current transformer is detachably connected with the phase B outgoing line copper bar through a screw, and the wire outlet end of the phase C current transformer is detachably connected with the phase C outgoing line copper bar through a screw.
The A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are fixed on the safety partition board, the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are arranged side by side in a left-right mode, and the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are arranged in a flat mode.
The phase A busbar, the phase B busbar and the phase C busbar are all long strips, the phase A busbar, the phase B busbar and the phase C busbar are arranged in parallel in the left-right direction, and the phase A busbar, the phase B busbar and the phase C busbar are arranged side by side in the up-down direction.
The A-phase busbar, the B-phase busbar and the C-phase busbar are sequentially arranged side by side from top to bottom, the lengths of the A-phase busbar, the B-phase busbar and the C-phase busbar are sequentially increased, the right ends of the A-phase busbar, the B-phase busbar and the C-phase busbar are aligned, and the right ends of the A-phase busbar, the B-phase busbar and the C-phase busbar are respectively connected with an A-phase wall bushing, a B-phase wall bushing and a C-phase wall bushing; the phase A wall bushing, the phase B wall bushing and the phase C wall bushing are fixed on the right side wall of the bus chamber; the A-phase upper contact box, the B-phase upper contact box and the C-phase upper contact box are sequentially arranged from right to left;
the phase A branch bar, the phase B branch bar and the phase C branch bar are sequentially arranged from right to left, two ends of the phase A branch bar are respectively connected with the middle parts of the phase A upper contact box and the phase A bus bar, two ends of the phase B branch bar are respectively connected with the left ends of the phase B upper contact box and the phase B bus bar, and two ends of the phase C branch bar are respectively connected with the left ends of the phase C upper contact box and the phase C bus bar.
The A-phase busbar, the B-phase busbar and the C-phase busbar are respectively fixed on a vertical plate of the bent plate through an A-phase insulator, a B-phase insulator and a C-phase insulator.
An observation window is arranged on the vertical plate of the bent plate.
After the scheme is adopted, the utility model has the advantages of it is following:
1. the phase current transformer A, the phase current transformer B and the phase current transformer C in the cable chamber are inversely arranged on the bottom surface of the transverse plate of the bent plate, and the phase current transformer A, the phase current transformer B and the phase current transformer C are arranged side by side from left to right; the grounding switch, the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester in the cable chamber are fixed on the safety partition plate, so that the occupation of the space on the rear side of the cabinet body by the A-phase current transformer, the B-phase current transformer, the C-phase current transformer and the grounding switch can be avoided, and the residual space in the cable chamber can be large, so that people can conveniently overhaul the A-phase current transformer, the B-phase current transformer, the C-phase current transformer and the grounding switch from the rear side of the cabinet body;
2. the phase A current transformer, the phase B current transformer and the phase C current transformer of the utility model are respectively inversely arranged on the bottom surface of the transverse plate of the bent plate through three drawer type mechanisms; the wire inlet end of the phase-A current transformer is detachably connected with the phase-A contact copper bar through a screw, the wire inlet end of the phase-B current transformer is detachably connected with the phase-B contact copper bar through a screw, and the wire inlet end of the phase-C current transformer is detachably connected with the phase-C contact copper bar through a screw; the wire outlet end of the phase A current transformer is detachably connected with the phase A outgoing line copper bar through a screw, the wire outlet end of the phase B current transformer is detachably connected with the phase B outgoing line copper bar through a screw, and the wire outlet end of the phase C current transformer is detachably connected with the phase C outgoing line copper bar through a screw, so that the phase A current transformer, the phase B current transformer and the phase C current transformer can be conveniently detached; for example, when the phase-A current transformer needs to be disassembled, only the screws for connecting the phase-A current transformer with the phase-A contact copper bar and the phase-A outgoing line copper bar are disassembled, and the screws for connecting the sliding rail and the sliding plate on the drawer type mechanism matched with the phase-A current transformer are disassembled, so that the phase-A current transformer can be pulled out;
3. the utility model discloses a female row of A looks mother row, B looks mother row and C looks mother row are rectangular form, and A looks mother arranges, B looks mother arranges and C looks mother arranges along controlling direction parallel arrangement, and A looks mother arranges, B looks mother arranges and C looks mother arranges along upper and lower direction sets up side by side, compares like this current L shape mother arranges, the utility model discloses a female row of A looks, B looks mother arranges and C looks mother arranges can be better dispel the heat.
Drawings
Fig. 1 is a schematic structural diagram 1 of a conventional switch cabinet;
fig. 2 is a schematic structural diagram 2 of a conventional switch cabinet;
fig. 3 is a schematic structural diagram 1 of the present invention;
fig. 4 is a schematic structural diagram 2 of the present invention;
fig. 5 is a schematic view of a partial structure of the present invention 1;
fig. 6 is a schematic view of a partial structure of the present invention 2;
fig. 7 is a schematic view of a partial structure of the present invention 3;
fig. 8 is a schematic view of a partial structure of the present invention 4;
fig. 9 is a schematic view of a partial structure of the present invention 5;
fig. 10 is a schematic view of a partial structure of the present invention in fig. 6;
fig. 11 is an exploded view of the drawer mechanism of the present invention;
description of reference numerals:
the cabinet body A is provided with a cabinet body A,
a bus chamber 1, an A-phase bus bar 11, a B-phase bus bar 12, a C-phase bus bar 13, an A-phase branch bar 14, a B-phase branch bar 15, a C-phase branch bar 16, an A-phase insulator 17, a B-phase insulator 18, a C-phase insulator 19, an A-phase wall bushing 101, a B-phase wall bushing 102, a C-phase wall bushing 103,
a cable chamber 2, an A-phase current transformer 21, an A-phase contact copper bar 211, a B-phase current transformer 22, a B-phase contact copper bar 221, a C-phase current transformer 23, a C-phase contact copper bar 231, an A-phase lightning arrester 24, a B-phase lightning arrester 25, a C-phase lightning arrester 26, a grounding switch 27, an A-phase outlet copper bar 271, a B-phase outlet copper bar 272 and a C-phase outlet copper bar 273,
a breaker chamber 3, a three-phase breaker 31, an A-phase upper contact box 32, a B-phase upper contact box 33, a C-phase upper contact box 34, an A-phase lower contact box 35, a B-phase lower contact box 36, a C-phase lower contact box 37,
the safety barrier 4 is arranged in the inner cavity of the frame,
a bent plate 5, a transverse plate 51, a vertical plate 52, a viewing window 521,
the drawer mechanism 6, the sliding plate 61, the sliding rail 62 and the sliding groove 621.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 3 to 11, the utility model discloses a high tension switchgear structure, it includes cabinet body A, be equipped with bus-bar room 1, cable chamber 2 and circuit breaker room 3 in the cabinet body A, wherein circuit breaker room 3 is located cabinet body A front portion, bus-bar room 1 and cable chamber 2 are located cabinet body A rear portion and cable chamber 2 are in bus-bar room 1 below, circuit breaker room 3 separates with bus-bar room 1 and cable chamber 2 through burst disk 4, and bus-bar room 1 separates with cable chamber 2 through bent plate 5, bent plate 5 is L shape structure, and bent plate 5 is including diaphragm 51 and the riser 52 that links to each other, but diaphragm 51 and riser 52 integrated into one piece, wherein the riser 52 upper end links to each other with cabinet body A top through the screw, and the diaphragm 51 front end then links to each other with burst disk 4 through the screw, can open an observation window 521 so that observe the condition in the bus-bar room 1 on the riser 52 of bent plate 5.
As shown in fig. 3, 5 and 6, a three-phase circuit breaker 31 is installed in the circuit breaker chamber 3, the phase a input end, the phase B input end and the phase C input end of the three-phase circuit breaker 31 are respectively connected with a phase a upper contact box 32, a phase B upper contact box 33 and a phase C upper contact box 34, the phase a upper contact box 32, the phase B upper contact box 33 and the phase C upper contact box 34 are fixed on the safety barrier 3, the phase a upper contact box 32, the phase B upper contact box 33 and the phase C upper contact box 34 penetrate into the bus chamber 1, the phase a output end, the phase B output end and the phase C output end of the three-phase circuit breaker 31 are respectively connected with a phase a lower contact box 35, a phase B lower contact box 36 and a phase C lower contact box 37, the A-phase lower contact box 35, the B-phase lower contact box 36 and the C-phase lower contact box 37 are fixed on the safety baffle plate 4, and the A-phase lower contact box 35, the B-phase lower contact box 36 and the C-phase lower contact box 37 penetrate into the cable chamber 2; the phase a upper contact box 32, the phase B upper contact box 33, the phase C upper contact box 34, the phase a lower contact box 35, the phase B lower contact box 36 and the phase C lower contact box 37 may be screwed to the safety barrier 4.
As shown in fig. 3 to 6, an a-phase busbar 11, a B-phase busbar 12 and a C-phase busbar 13 are installed in the busbar chamber 1, the a-phase busbar 11 is connected with an a-phase upper contact box 32 through an a-phase branch bar 14, the B-phase busbar 12 is connected with a B-phase upper contact box 33 through a B-phase branch bar 15, and the C-phase busbar 13 is connected with a C-phase upper contact box 34 through a C-phase branch bar 16.
Cooperate figure 5 to figure 10 to show, wherein female 12 of arranging of A looks female row 11, B looks female row and C looks female row 13 are rectangular form, and female 11 of arranging of A looks, B looks female row 12 and C looks female row 13 along left right direction parallel arrangement, and female 12 of arranging of A looks, B looks female row 12 and C looks female row 13 along upper and lower direction sets up side by side, compares current L shape female row like this, the utility model discloses a female row of A looks, B looks female arranging and C looks female arranging can be better dispel the heat.
As shown in fig. 6, 7 and 10, the a-phase busbar 11, the B-phase busbar 12 and the C-phase busbar 13 may be sequentially arranged side by side from top to bottom, the lengths of the a-phase busbar 11, the B-phase busbar 12 and the C-phase busbar 13 are sequentially increased, the right ends of the a-phase busbar 11, the B-phase busbar 12 and the C-phase busbar 13 are aligned, and the right ends of the a-phase busbar 11, the B-phase busbar 12 and the C-phase busbar 13 are respectively connected with an a-phase wall bushing 101, a B-phase wall bushing 102 and a C-phase wall bushing 103; the A-phase wall bushing 101, the B-phase wall bushing 102 and the C-phase wall bushing 103 are fixed on the right side wall of the bus chamber 1 through screws, and the A-phase busbar 11, the B-phase busbar 12 and the C-phase busbar 13 are installed on the bus chamber 1; the contact box 32 on the A phase, the contact box 33 on the B phase and the contact box 34 on the C phase are sequentially arranged from right to left, two ends of the A phase branch row 34 are respectively connected with the middle parts of the A phase upper contact box 32 and the A phase busbar 11, two ends of the B phase branch row 35 are respectively connected with the left ends of the B phase upper contact box 33 and the B phase busbar 12, and two ends of the C phase branch row 36 are respectively connected with the left ends of the C phase upper contact box 34 and the C phase busbar 13, so that the A phase branch row 34, the B phase branch row 35 and the C phase branch row 36 can be separated, and the heat dissipation of the A phase branch row 34, the B phase branch row 35 and the C phase branch row 36 is facilitated. In addition, the phase-A busbar 11, the phase-B busbar 12 and the phase-C busbar 13 can be respectively fixed on a vertical plate 52 of the bent plate 5 through a phase-A insulator 17, a phase-B insulator 18 and a phase-C insulator 19, so that the installation stability of the phase-A insulator 17, the phase-B insulator 18 and the phase-C insulator 19 is improved.
As shown in fig. 4 to 6, the cable chamber 2 is provided with an a-phase current transformer 21, a B-phase current transformer 22, a C-phase current transformer 23, an a-phase lightning arrester 24, a B-phase lightning arrester 25, a C-phase lightning arrester 26, and an earth switch 27 with a three-phase high-voltage live sensor.
As shown in fig. 5, 6, 8, 9 and 10, the a-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23 are inversely installed on the bottom surface of the horizontal plate 51 of the bent plate 5, and the a-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23 are arranged side by side in the left-right direction; the grounding switch 27 is fixed on the safety partition plate 4, and the grounding switch 27 is located below the A-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23, so that the occupation of the A-phase current transformer 21, the B-phase current transformer 22, the C-phase current transformer 23 and the grounding switch 27 on the space of the rear side of the cabinet body A can be avoided, and the residual space in the cable chamber 2 can be large, so that people can conveniently overhaul the A-phase current transformer 21, the B-phase current transformer 22, the C-phase current transformer 23 and the grounding switch 27 from the rear side of the cabinet body A. The incoming line end of the phase-A current transformer 21 is connected with the phase-A lower contact box 35 through the phase-A contact copper bar 211, the incoming line end of the phase-B current transformer 22 is connected with the phase-B lower contact box 36 through the phase-B contact copper bar 221, the incoming line end of the phase-C current transformer 23 is connected with the phase-C lower contact box 37 through the phase-C contact copper bar 231, the phase-A connection end of the grounding switch 27 is connected with the line outlet end of the phase-A current transformer 21 through the phase-A outgoing line copper bar 271, the phase-B connection end of the grounding switch 27 is connected with the line outlet end of the phase-B current transformer 23 through the phase-B outgoing line copper bar 272, the phase-C connection end of the grounding switch 27 is connected with the line outlet end of the phase-C current transformer 23 through the phase-C outgoing line copper bar 273, and the phase-A outgoing line copper.
As shown in fig. 5, 8, 9 and 11, the a-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23 can be respectively installed upside down on the bottom surface of the horizontal plate 51 of the curved plate 5 by three drawer-type mechanisms 6; the drawer-type mechanism 6 comprises a sliding plate 61 and two sliding rails 62 arranged in parallel in the front-back direction, the two sliding rails 61 are locked on the bottom surface of the transverse plate 51 of the bent plate 5, sliding grooves 621 are formed in the two sliding rails 62, the sliding grooves 621 of the two sliding rails 62 are opposite, the left side and the right side of the sliding plate 61 are respectively inserted into the sliding grooves 621 of the two sliding rails 62, and the left side and the right side of the sliding plate 61 are respectively locked with the two sliding rails 62 through screws; the sliding plates 61 of the three drawer-type mechanisms 6 are respectively fixed on the tops of the a-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23, so that the a-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23 are inversely arranged on the bottom surface of the transverse plate 51 of the bent plate 5; the wire inlet end of the phase-A current transformer 21 is detachably connected with the phase-A contact copper bar 211 through a screw, the wire inlet end of the phase-B current transformer 22 is detachably connected with the phase-B contact copper bar 221 through a screw, and the wire inlet end of the phase-C current transformer 23 is detachably connected with the phase-C contact copper bar 231 through a screw; the line outgoing end of the A-phase current transformer 21 is detachably connected with the A-phase line outgoing copper bar 271 through a screw, the line outgoing end of the B-phase current transformer 22 is detachably connected with the B-phase line outgoing copper bar 272 through a screw, and the line outgoing end of the C-phase current transformer 23 is detachably connected with the C-phase line outgoing copper bar 273 through a screw, so that the A-phase current transformer 21, the B-phase current transformer 22 and the C-phase current transformer 23 can be conveniently detached. For example, when the a-phase current transformer 21 needs to be disassembled, only the screws for connecting the a-phase current transformer 21 with the a-phase contact copper bar 221 and the a-phase outgoing line copper bar 271 need to be disassembled, and the screws for connecting the sliding rail 62 and the sliding plate 61 on the drawer type mechanism 6 matched with the a-phase current transformer 21 need to be disassembled, so that the a-phase current transformer 21 can be pulled out, which is very convenient.
As shown in fig. 4 to 10, the a-phase arrester 24, the B-phase arrester 25, and the C-phase arrester 26 are installed below the earthing switch 27, the a-phase arrester 24 is connected to the a-phase connection terminal of the earthing switch 27 through an a-phase arrester copper bar 241, the B-phase arrester 25 is connected to the B-phase connection terminal of the earthing switch 27 through a B-phase arrester copper bar 251, and the C-phase arrester 26 is connected to the C-phase connection terminal of the earthing switch 27 through a C-phase arrester copper bar 261; wherein the a-phase arrestor 24, the B-phase arrestor 25 and the C-phase arrestor 26 are installed below the ground switch 27 to secure a sufficient safe electrical distance. As shown in fig. 5 to 10, the a-phase arrester 24, the B-phase arrester 25, and the C-phase arrester 26 may be fixed to the dash board 4, the a-phase arrester 24, the B-phase arrester 25, and the C-phase arrester 26 are arranged side by side in the left-right direction, and the a-phase arrester 24, the B-phase arrester 25, and the C-phase arrester 26 are arranged flatly, so that the space occupation in the cable chamber 2 can be reduced.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (7)
1. The utility model provides a high tension switchgear structure, its includes the cabinet body, the internal generating line room, cable chamber and the circuit breaker room of being equipped with of cabinet, wherein the circuit breaker room is located cabinet body front portion, and generating line room and cable chamber are located cabinet body rear portion and cable chamber are in generating line room below, and the circuit breaker room separates through safe baffle and generating line room and cable chamber, and the generating line room separates through bent plate and cable chamber, the bent plate is L shape structure, and the bent plate includes diaphragm and the riser that links to each other, and wherein the riser upper end links to each other with cabinet body top, and the diaphragm front end links to each other with safe baffle, its characterized in that:
the circuit breaker is characterized in that a three-phase circuit breaker is installed in the circuit breaker chamber, an A-phase input end, a B-phase input end and a C-phase input end of the three-phase circuit breaker are respectively connected with an A-phase upper contact box, a B-phase upper contact box and a C-phase upper contact box, the A-phase upper contact box, the B-phase upper contact box and the C-phase upper contact box are fixed on the safety partition plate, the A-phase upper contact box, the B-phase upper contact box and the C-phase upper contact box penetrate into the bus chamber, an A-phase output end, a B-phase output end and a C-phase output end of the three-phase circuit breaker are respectively connected with an A-phase lower contact box, a B-phase lower contact box and a C-phase lower contact box, the A-phase lower contact box, the B-phase lower contact box and the C-phase lower;
the bus chamber is internally provided with an A-phase bus bar, a B-phase bus bar and a C-phase bus bar, the A-phase bus bar is connected with the A-phase upper contact box through an A-phase branch bar, the B-phase bus bar is connected with the B-phase upper contact box through a B-phase branch bar, and the C-phase bus bar is connected with the C-phase upper contact box through a C-phase branch bar;
the cable chamber is internally provided with an A-phase current transformer, a B-phase current transformer, a C-phase current transformer, an A-phase lightning arrester, a B-phase lightning arrester, a C-phase lightning arrester and a grounding switch with a three-phase high-voltage live sensor;
the phase current transformer A, the phase current transformer B and the phase current transformer C are inversely arranged on the bottom surface of the transverse plate of the bent plate, and the phase current transformer A, the phase current transformer B and the phase current transformer C are arranged side by side left and right; the incoming line end of the phase A current transformer is connected with the phase A lower contact box through the phase A contact copper bar, the incoming line end of the phase B current transformer is connected with the phase B lower contact box through the phase B contact copper bar, and the incoming line end of the phase C current transformer is connected with the phase C lower contact box through the phase C contact copper bar;
the grounding switch is fixed on the safety partition plate and is positioned below the A-phase current transformer, the B-phase current transformer and the C-phase current transformer; the phase-A connecting end of the grounding switch is connected with the wire outlet end of the phase-A current transformer through a phase-A wire outlet copper bar, the phase-B connecting end of the grounding switch is connected with the wire outlet end of the phase-B current transformer through a phase-B wire outlet copper bar, the phase-C connecting end of the grounding switch is connected with the wire outlet end of the phase-C current transformer through a phase-C wire outlet copper bar,
the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are installed below the grounding switch, the A-phase lightning arrester is connected with an A-phase connecting end of the grounding switch through an A-phase lightning arrester copper bar, the B-phase lightning arrester is connected with a B-phase connecting end of the grounding switch through a B-phase lightning arrester copper bar, and the C-phase lightning arrester is connected with a C-phase connecting end of the grounding switch through a C-phase lightning arrester copper bar.
2. A high-voltage switchgear arrangement as claimed in claim 1, characterized in that: the phase current transformer A, the phase current transformer B and the phase current transformer C are respectively inversely arranged on the bottom surface of the transverse plate of the bent plate through three drawer type mechanisms; the drawer type mechanism comprises a sliding plate and two sliding rails arranged in parallel along the front-back direction, the two sliding rails are fixedly locked on the bottom surface of the transverse plate of the bent plate, sliding grooves are formed in the two sliding rails, the sliding grooves of the two sliding rails are opposite, the left side and the right side of the sliding plate are respectively inserted into the sliding grooves of the two sliding rails, and the left side and the right side of the sliding plate are respectively fixedly locked with the two sliding rails through screws; the sliding plates of the three drawer type mechanisms are respectively fixed on the tops of the A-phase current transformer, the B-phase current transformer and the C-phase current transformer;
the wire inlet end of the phase A current transformer is detachably connected with the phase A contact copper bar through a screw, the wire inlet end of the phase B current transformer is detachably connected with the phase B contact copper bar through a screw, and the wire inlet end of the phase C current transformer is detachably connected with the phase C contact copper bar through a screw; the wire outlet end of the phase A current transformer is detachably connected with the phase A outgoing line copper bar through a screw, the wire outlet end of the phase B current transformer is detachably connected with the phase B outgoing line copper bar through a screw, and the wire outlet end of the phase C current transformer is detachably connected with the phase C outgoing line copper bar through a screw.
3. A high-voltage switchgear arrangement as claimed in claim 1 or 2, characterized in that: the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are fixed on the safety partition board, the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are arranged side by side in a left-right mode, and the A-phase lightning arrester, the B-phase lightning arrester and the C-phase lightning arrester are arranged in a flat mode.
4. A high-voltage switchgear arrangement as claimed in claim 1, characterized in that: the phase A busbar, the phase B busbar and the phase C busbar are all long strips, the phase A busbar, the phase B busbar and the phase C busbar are arranged in parallel in the left-right direction, and the phase A busbar, the phase B busbar and the phase C busbar are arranged side by side in the up-down direction.
5. The high-voltage switchgear structure according to claim 4, wherein: the A-phase busbar, the B-phase busbar and the C-phase busbar are sequentially arranged side by side from top to bottom, the lengths of the A-phase busbar, the B-phase busbar and the C-phase busbar are sequentially increased, the right ends of the A-phase busbar, the B-phase busbar and the C-phase busbar are aligned, and the right ends of the A-phase busbar, the B-phase busbar and the C-phase busbar are respectively connected with an A-phase wall bushing, a B-phase wall bushing and a C-phase wall bushing; the phase A wall bushing, the phase B wall bushing and the phase C wall bushing are fixed on the right side wall of the bus chamber;
the A-phase upper contact box, the B-phase upper contact box and the C-phase upper contact box are sequentially arranged from right to left;
the phase A branch bar, the phase B branch bar and the phase C branch bar are sequentially arranged from right to left, two ends of the phase A branch bar are respectively connected with the middle parts of the phase A upper contact box and the phase A bus bar, two ends of the phase B branch bar are respectively connected with the left ends of the phase B upper contact box and the phase B bus bar, and two ends of the phase C branch bar are respectively connected with the left ends of the phase C upper contact box and the phase C bus bar.
6. The high voltage switchgear structure of claim 5, wherein: the A-phase busbar, the B-phase busbar and the C-phase busbar are respectively fixed on a vertical plate of the bent plate through an A-phase insulator, a B-phase insulator and a C-phase insulator.
7. A high-voltage switchgear arrangement as claimed in claim 1, characterized in that: an observation window is arranged on the vertical plate of the bent plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383890.XU CN211182929U (en) | 2019-12-26 | 2019-12-26 | High-voltage switch cabinet structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911990A (en) * | 2019-12-26 | 2020-03-24 | 中骏智能电气科技股份有限公司 | High-voltage switch cabinet structure |
| CN112234440A (en) * | 2020-12-15 | 2021-01-15 | 国网山东省电力公司潍坊供电公司 | Switch cabinet and operation method |
| CN113241536A (en) * | 2021-04-20 | 2021-08-10 | 湖南海燕电气有限公司 | Three-phase relay protection safety grounding structure |
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2019
- 2019-12-26 CN CN201922383890.XU patent/CN211182929U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911990A (en) * | 2019-12-26 | 2020-03-24 | 中骏智能电气科技股份有限公司 | High-voltage switch cabinet structure |
| CN112234440A (en) * | 2020-12-15 | 2021-01-15 | 国网山东省电力公司潍坊供电公司 | Switch cabinet and operation method |
| CN113241536A (en) * | 2021-04-20 | 2021-08-10 | 湖南海燕电气有限公司 | Three-phase relay protection safety grounding structure |
| CN113241536B (en) * | 2021-04-20 | 2023-10-27 | 湖南海燕电气有限公司 | Three-phase relay protection safety ground structure |
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