CN213212782U - High-pressure gas tank for high-voltage combined electrical appliance cabinet - Google Patents
High-pressure gas tank for high-voltage combined electrical appliance cabinet Download PDFInfo
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- CN213212782U CN213212782U CN202021743887.0U CN202021743887U CN213212782U CN 213212782 U CN213212782 U CN 213212782U CN 202021743887 U CN202021743887 U CN 202021743887U CN 213212782 U CN213212782 U CN 213212782U
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Abstract
The application discloses high-pressure gas tank for high-voltage combined electrical apparatus cabinet includes: a box body; the load switch is arranged in the box body, and the axis of a movable cutter head driving shaft of the load switch is arranged along the horizontal X direction; and the three fuse cylinders are arranged in the box body and are positioned below the load switch, and the three fuse cylinders are linearly and sequentially arranged along the horizontal Y direction perpendicular to the horizontal X direction. Compared with the three fuse cylinders in the prior art which are arranged in a delta shape, the space occupation of the fuse cylinders in the vertical direction is reduced, so that the height of the high-pressure air box is reduced, and the size is reduced.
Description
Technical Field
The utility model relates to an electric power industry technical field, in particular to high-pressure gas tank for high-voltage combined electrical apparatus cabinet.
Background
The high-voltage combined electrical appliance cabinet is a high-voltage cabinet. The high-voltage combined electrical cabinet mainly comprises a high-voltage air box, a sheet metal chamber, components, electrical devices and the like, and the miniaturization of the high-voltage cabinet is the current development trend.
However, the arrangement mode of the fuses in the existing high-pressure gas tank occupies a large space, and the load switch has a complex and heavy structure, so that the whole high-pressure gas tank is large in volume, is not beneficial to assembly and debugging, and cannot meet the requirement of miniaturization.
In summary, how to reduce the volume of the high-pressure air tank becomes a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a high pressure gas tank for a high voltage combined electrical appliance cabinet to reduce the volume of the high pressure gas tank.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a high-pressure gas tank for a high-voltage combined electrical appliance cabinet comprises:
a box body;
the load switch is arranged in the box body, and the axis of a movable cutter head driving shaft of the load switch is arranged along the horizontal X direction;
and the three fuse cylinders are arranged in the box body and are positioned below the load switch, and the three fuse cylinders are linearly and sequentially arranged along the horizontal Y direction perpendicular to the horizontal X direction.
Preferably, in the above high-pressure gas tank for a high-voltage combined electrical apparatus cabinet, the load switch includes:
a fixed mount;
the upper cross beam is provided with a first conductive part and a first insulating part, the first insulating part is poured and wrapped outside the first conductive part, a three-phase static tool bit of the first conductive part is exposed out of the first insulating part, and the upper cross beam is fixed on the fixing frame through the first insulating part;
the lower beam is provided with a second conductive part and a second insulating part, the second insulating part is poured and wrapped outside the second conductive part, the three-phase connecting part of the second conductive part is exposed out of the second insulating part, and the lower beam is fixed on the fixing frame through the second insulating part;
the three-phase movable cutter head is rotatably connected to the three-phase connection part, and the three-phase static cutter head and the three-phase movable cutter head are arranged along the horizontal X direction.
Preferably, in the high-pressure air tank for the high-voltage combined electrical apparatus cabinet, the phase distance between the three-phase static cutter heads is 105mm to 115 mm.
Preferably, in the above high-pressure air tank for a high-voltage combined electrical apparatus cabinet, the fixing frame includes a first fixing plate and a second fixing plate which are arranged in parallel, and both ends of the upper beam and both ends of the lower beam are respectively fixed to the first fixing plate and the second fixing plate.
Preferably, in the high-pressure air tank for the high-voltage combined electrical apparatus cabinet, two ends of a grounding beam of the load switch are respectively fixed to the first fixing plate and the second fixing plate, the grounding beam is provided with a first grounding bar, and the first grounding bar is provided with a grounding contact;
when the three-phase moving cutter head rotates to be connected with the grounding contact, the three-phase moving cutter head is in a grounding position;
when the three-phase moving cutter head rotates to be connected with the three-phase static cutter head, the three-phase moving cutter head is in a switch-on position;
when the three-phase movable cutter head rotates to a position between the grounding contact and the three-phase static cutter head, the three-phase movable cutter head is in a brake separating position.
Preferably, in the above-mentioned high-pressure gas tank for the high-voltage combined electrical apparatus cabinet, the load switch further includes an arc extinguishing component, the arc extinguishing component is disposed on the upper beam, and is located on a rotation path of the three-phase moving cutter head, and is disposed close to the three-phase static cutter head, and each three-phase static cutter head corresponds to one arc extinguishing component.
Preferably, in the above high-voltage gas tank for a high-voltage combined electrical apparatus cabinet, the arc extinguishing assembly includes:
the arc extinguishing grid support is fixed on the upper cross beam;
and the arc extinguishing grid is arranged on the arc extinguishing grid support and used for cutting off electric arcs between the three-phase movable cutter head and the three-phase static cutter head.
Preferably, in the above high-pressure air tank for a high-voltage combined electrical apparatus cabinet, the three-phase moving blade is driven to rotate by a driving assembly, and the driving assembly includes:
the two ends of the movable cutter head driving shaft are rotatably connected to the fixed frame, and the movable cutter head driving shaft is used for being connected with a switch driving mechanism arranged outside the box body;
one end of the first connecting rod is circumferentially limited and fixed on the movable cutter head driving shaft;
one end of the second connecting rod is rotatably connected with the other end of the first connecting rod;
the insulating sleeve is fixedly sleeved on the three-phase movable cutter head, the other end of the second connecting rod is rotatably connected with the insulating sleeve, and the first connecting rod, the second connecting rod and the three-phase movable cutter head form a four-connecting-rod structure.
Preferably, in the above high-voltage air tank for a high-voltage combined electrical apparatus cabinet, the number of the first connecting rod, the second connecting rod and the insulating sleeve is three, and each moving head of the three moving heads corresponds to one insulating sleeve, one first connecting rod and one second connecting rod.
Preferably, in the high-pressure air tank for the high-voltage combined electrical apparatus cabinet, the cross section of the moving blade driving shaft is polygonal, and one end of the first connecting rod is provided with a polygonal hole matched with the moving blade driving shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a high-pressure air box for a high-voltage combined electrical appliance cabinet, which comprises a box body, a load switch and three fuse cylinders, wherein the load switch is arranged in the box body, and the axis of a movable cutter head driving shaft of the load switch is arranged along the horizontal X direction; the three fuse cylinders are arranged in the box body and located below the load switch, and the three fuse cylinders are sequentially arranged along a horizontal Y direction straight line perpendicular to the horizontal X direction.
Compared with the three fuse cylinders in the prior art which are arranged in a delta shape, the space occupation of the fuse cylinders in the vertical direction is reduced, so that the height of the high-pressure air box is reduced, and the size is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a high-pressure air tank for a high-voltage combined electrical cabinet according to an embodiment of the present invention;
fig. 2 is a schematic front view of a high-pressure air tank for a high-voltage combined electrical cabinet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a load switch of a high-pressure air tank for a high-voltage combined electrical cabinet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a load switch in a brake-off position according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the load switch provided in the embodiment of the present invention in the grounding position;
fig. 6 is a schematic structural diagram of a load switch in a closing position according to an embodiment of the present invention;
fig. 7 is a schematic view of an installation structure of a driving assembly of a load switch according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a driving assembly of a load switch according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an upper beam of a load switch according to an embodiment of the present invention.
The device comprises a box body 1, an insulating lateral-outlet sleeve 2, a main bus bar 3, a load switch 4, an upper beam 41, a three-phase static cutter head 411, a fixed frame 42, a driving assembly 43, a movable cutter head driving shaft 431, a first connecting rod 432, a second connecting rod 433, an insulating sleeve 434, a lower beam 44, a three-phase connecting part 441, a three-phase movable cutter head 45, a first grounding bar 46, a grounding contact 47, a grounding beam 48, an arc extinguishing assembly 49, an arc extinguishing bar 491, an arc extinguishing bar support 492, a fuse tube 5, a second grounding bar 6, a third grounding bar 7, an auxiliary grounding device 8, an explosion-proof device 9, an insulating sleeve 10, a switch driving mechanism 11, an interlocking tripping device 12 and a firing pin mechanism 13.
Detailed Description
The core of the utility model is to provide a high-pressure gas tank for high-voltage combined electrical apparatus cabinet, reduced the volume of high-pressure gas tank.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 9, an embodiment of the present invention provides a high pressure gas tank for a high voltage combined electrical appliance cabinet, which is hereinafter referred to as a high pressure gas tank for short, and mainly includes a tank body 1, a load switch 4, a fuse tube 5, an insulating side outlet sleeve 2, a grounding auxiliary device 8, an insulating sleeve 10, an explosion-proof device 9, a firing pin mechanism 13, an interlocking trip device 12, and a switch driving mechanism 11; wherein, the load switch 4, the fuse tube 5, the grounding auxiliary device 8, the insulating sleeve 10 and the explosion-proof device 9 are all arranged in the box body 1; the axis of the movable tool bit driving shaft 431 of the load switch 4 is arranged along the horizontal X direction, namely the front and back depth direction of the box body 1; the fuse tube 5 is three in number, corresponds load switch 4's three-phase movable cutter head 45 respectively, and fuse tube 5 is located load switch 4's below, and three fuse tube 5 arranges in proper order along the horizontal Y direction straight line of the horizontal X direction of perpendicular to, and three fuse tube 5 is the straight line and arranges promptly along the left and right sides direction of box 1.
Compared with the three fuse tubes in the prior art which are arranged in a triangular shape, the three fuse tubes 5 in the high-pressure air box are arranged in a straight line, so that the space occupation of the fuse tubes 5 in the vertical direction is reduced, the height of the high-pressure air box can be reduced, and the volume is reduced.
In addition, in prior art, load switch mainly includes metal crate, three-phase moves tool bit and three-phase quiet tool bit, and wherein, three-phase moves the tool bit and rotates to be connected in metal crate, and three-phase moves the tool bit and the three-phase quiet tool bit setting structure in metal crate does: the metal frame is provided with an upper metal beam and a lower metal beam, insulating beams are fixed on the upper metal beam and the lower metal beam, the conductive pieces of the static cutter head and the movable cutter head are fixed on the insulating beams respectively, and in order to ensure that the conductive pieces and the metal frame meet the sufficient insulation distance, the phase distance between the three phases of the existing load switch is large and can reach 150mm, so that the volume of the load switch is large, and the volume of the high-pressure air box is increased.
For this purpose, as shown in fig. 2 to 9, the present embodiment provides a load switch 4, where the load switch 4 includes a fixed frame 42, an upper beam 41, a lower beam 44, and a three-phase moving blade 45; the upper cross beam 41 is fixed to the fixing frame 42, the upper cross beam 41 has a first conductive part and a first insulating part, the first insulating part is poured and wrapped outside the first conductive part, that is, the first insulating part is integrally poured and molded into a cross beam structure, the first conductive part is fixed in the first insulating part, a three-phase static cutter head of the first conductive part is exposed out of the first insulating part, and the upper cross beam 41 is fixedly connected with the fixing frame 42 through the first insulating part; the lower beam 44 is fixed to the fixing frame 42, the lower beam 44 has a second conductive portion and a second insulating portion, the second insulating portion is poured and wrapped outside the second conductive portion, that is, the second insulating portion is integrally poured and molded into a beam structure, the second conductive portion is fixed in the second insulating portion, the third connection portion 441 of the second conductive portion exposes out of the second insulating portion, and the lower beam 44 is fixedly connected to the fixing frame 42 through the second insulating portion; the three-phase moving blade 45 is rotatably connected to the three-phase connecting portion 441.
Compared with the prior art, the first conductive part of the upper cross beam 41 is wrapped in the first insulating part by casting, and the second conductive part of the lower cross beam 44 is wrapped in the second insulating part by casting, namely, the first conductive part is located inside the first insulating part, and the second conductive part is located inside the second insulating part and is directly fixed with the fixing frame through the first insulating part and the second insulating part. Therefore, a metal beam structure is eliminated, and the insulation problem between the conductive parts and the metal beam is eliminated, so that the insulation distances among the first conductive parts, the second conductive parts and the fixed frame, the three-phase static cutter head 411 of the first conductive parts and the three-phase connecting part 441 of the second conductive parts are increased because the first conductive parts and the second conductive parts do not have the metal beam, the electrical safety performance is met, the phase distance can be reduced, and the size of the load switch 4 can be reduced. In addition, the upper cross beam 41 and the lower cross beam 44 are integrally cast, so that the upper cross beam 41 and the lower cross beam 44 are good in consistency and convenient to install, the production efficiency is improved, and the production cost is reduced.
Further, in this embodiment, the phase distance of the three-phase stationary cutter head 411 is 105mm to 115mm, specifically may be 110mm, and compared with the existing phase distance of 150mm, the phase distance in this application is reduced, so that the dimension in the length direction of the upper beam 41 of the load switch 4, that is, the dimension in the front-rear depth direction of the high pressure air tank can be reduced by at least 80mm, thereby reducing the volume of the load switch 4, and further reducing the volume of the high pressure air tank.
In this embodiment, the fixing frame 42 includes a first fixing plate and a second fixing plate arranged in parallel, the first fixing plate and the second fixing plate are arranged in front and behind, and both ends of the upper cross beam 41 and both ends of the lower cross beam 44 are fixed to the first fixing plate and the second fixing plate respectively. The first fixing plate and the second fixing plate are metal plates, and the shape of the first fixing plate and the second fixing plate can be triangular plates, of course, three angular positions of the triangular plates are not necessarily sharp corners, and the first fixing plate and the second fixing plate can be round edges or rectangular edges. Both ends of the upper and lower cross members 41 and 44 and the first and second fixing plates may be fixed by bolts. The fixing frame is simple in structure and convenient to install.
Further, two ends of a grounding beam 48 of the load switch 2 are respectively fixed to the first fixing plate and the second fixing plate, the grounding beam 48 is provided with a first grounding bar 46, and the first grounding bar 46 is provided with a grounding contact 47; specifically, the first ground row 46 is provided with through holes, the ground beam 48 is provided with threaded holes, the ground contact 47 is provided with through holes, bolts sequentially pass through the through holes of the ground contact 47 and the through holes of the first ground row 46, and finally the bolts are fixed in the threaded holes of the ground beam 48, so that the ground contact 47, the first ground row 47 and the ground beam 48 are fixed, and the assembly is completed by using fewer parts.
As shown in fig. 5, when the three-phase moving blade 45 rotates to connect with the grounding contact 47, the three-phase moving blade 45 is in the grounding position;
as shown in fig. 6, when the three-phase moving blade 45 rotates to connect with the three-phase stationary blade 411, the three-phase moving blade 45 is in the switching-on position;
as shown in fig. 7, when the three-phase moving blade 45 rotates to a position between the grounding contact 47 and the three-phase stationary blade 411, the three-phase moving blade 45 is in the switch-off position, and the three-phase moving blade 45 is not connected to the grounding contact 47 or the three-phase stationary blade 411.
Further, in this embodiment, the load switch 4 further includes an arc extinguishing assembly 49, the arc extinguishing assembly 49 is disposed on the upper beam 41, and is located on the rotation path of the three-phase moving blade 45, and is disposed near the three-phase stationary blade 411, and each three-phase stationary blade 411 corresponds to one arc extinguishing assembly 49.
During operation, when the three-phase moving cutter head 45 moves from the switching-on position to the switching-off position, the three-phase moving cutter head 45 passes through the arc extinguishing component 49, and the arc extinguishing component 49 can cut off the electric arc between the three-phase moving cutter head 45 and the three-phase static cutter head 411, so that thorough switching-off operation is realized, and the electric safety is ensured.
As an optimization, as shown in fig. 9, the arc extinguishing assembly 49 includes an arc chute support 491 and an arc chute 492; wherein, the arc chute support 491 is fixed on the upper beam 41, and can be fixed on the three-phase static cutter head 411 through bolts; the arc-extinguishing grids 492 are arranged on the arc-extinguishing grid supports 491, the arc-extinguishing grids 492 are sheet-shaped structures with grooves, a plurality of arc-extinguishing grids 492 are arranged on each arc-extinguishing grid support 491 and are stacked together, the arc-extinguishing grid supports 491 are provided with a plurality of mounting clamping grooves used for embedding the arc-extinguishing grids 492, and when the three-phase moving knife head 45 passes through the grooves, the arc-extinguishing grids 492 can cut off arcs between the three-phase moving knife head 45 and the three-phase static knife head 411.
As shown in fig. 7 and 8, the three-phase moving blade 45 is driven to rotate by the driving assembly 43, and the driving assembly 43 includes a moving blade driving shaft 431, a first connecting rod 432, a second connecting rod 433 and an insulating sleeve 434; both ends of the movable cutter head driving shaft 431 are rotatably connected to the fixed frame, specifically, both ends of the movable cutter head driving shaft 431 are respectively rotatably connected to the first fixing plate and the second fixing plate, the movable cutter head driving shaft 431 is used for being connected with an external power component, and the movable cutter head driving shaft 431 can rotate; one end of the first connecting rod 432 is circumferentially limited and fixed on the movable cutter head driving shaft 431, namely the first connecting rod 432 and the movable cutter head driving shaft 431 are relatively circumferentially static, and the movable cutter head driving shaft 431 drives the first connecting rod 432 to rotate around the axis of the movable cutter head driving shaft 431; one end of the second connecting rod 433 is rotatably connected with the other end of the first connecting rod 432; the insulating sleeve 434 is fixedly sleeved on the three-phase moving cutter head 45, the other end of the second connecting rod 433 is rotatably connected with the insulating sleeve 434, and the first connecting rod 432, the second connecting rod 433 and the three-phase moving cutter head 45 form a four-bar structure.
When the driving assembly 43 works, as shown in fig. 5, at this time, the three-phase moving blade 45 is in a horizontal position, i.e., a grounding position, then the moving blade driving shaft 431 drives the first connecting rod 432 to rotate counterclockwise by a certain angle, the first connecting rod 432 drives the second connecting rod 433 to move, the second connecting rod 433 drives the insulating sleeve 434 fixed on the three-phase moving blade 45 to move, and then the three-phase moving blade 45 is driven to rotate counterclockwise to the switch-off position shown in fig. 4, then the moving blade driving shaft 431 continues to rotate counterclockwise by a certain angle, the first connecting rod 432 continues to drive the second connecting rod 433 to move, the second connecting rod 433 drives the insulating sleeve 434 to move, and then the three-phase moving blade 45 is driven to continue to rotate counterclockwise to the switch-on position shown in. When the switch-on position is moved to the switch-off position and the grounding position, the movable blade driving shaft 431 rotates reversely.
In this embodiment, it is preferable that the number of the first connecting rod 432, the second connecting rod 433 and the insulating sleeve 434 is three, and each moving blade of the three-phase moving blade 45 corresponds to one insulating sleeve 434, one first connecting rod 432 and one second connecting rod 433. The moving blade driving shaft 431 is simultaneously connected with three first connecting rods 432, and the moving blade driving shaft 431 drives the three first connecting rods 432 to synchronously rotate so as to drive the three-phase moving blade 45 to synchronously rotate. The stable driving of the three-phase moving cutter head 45 is realized through the three first connecting rods 432, the three second connecting rods 433 and the three insulating sleeves 434.
Certainly, the number of the insulating sleeve 434 can also be one or two, if the number of the insulating sleeve 434 is one, three moving blades are all fixed on one insulating sleeve 434, the number of the first connecting rod 432 and the second connecting rod 433 can be one, two or three, as long as the power of the moving blade driving shaft 431 can be transmitted to the insulating sleeve 434, and when the insulating sleeve 434 is driven to move, the three-phase moving blade 45 is synchronously driven to move; if there are two insulating sleeves 434, one moving blade is fixed on one insulating sleeve 434, and the other two moving blades are fixed on the other insulating sleeve 434, and accordingly, each insulating sleeve 434 is in transmission connection with the moving blade driving shaft 431 through at least one first connecting rod 432 and one second connecting rod 433.
Further, the second connecting rod 433 is composed of two arc plates spaced in parallel, the two arc plates are respectively disposed at two sides of the first connecting rod 432, the two arc plates are respectively disposed at two sides of the insulating sleeve 434, and a space between the two arc plates allows the insulating sleeve 434 and the first connecting rod 432 to freely rotate. Of course, the second link 433 may also be a single arc-shaped plate as long as the rotational connection function is achieved.
In the present embodiment, the cross section of the moving blade driving shaft 431 is polygonal, and one end of the first link 432 is provided with a polygonal hole 221 matched with the moving blade driving shaft 431. Specifically, the cross section of the moving blade driving shaft 431 is hexagonal, and one end of the first connecting rod 432 is provided with a hexagonal hole. Through the matching of the polygonal cross section and the polygonal hole 221, the circumferential limit matching of the first connecting rod 432 and the movable tool bit driving shaft 431 is realized. So set up, can make things convenient for the one end cover of first connecting rod 432 to move on tool bit drive shaft 431, the convenient dismantlement. Of course, the movable blade driving shaft 431 and the first link 432 may also be engaged through a key groove structure.
In the present embodiment, the outer portion of the first insulating portion of the upper cross member 41 is further provided with a plurality of protruded grids, thereby increasing the creepage distance between the three-phase stationary blade heads 411, and similarly, the outer portion of the second insulating portion of the lower cross member 44 is provided with a plurality of protruded grids, thereby increasing the creepage distance between the three-phase connecting portions 441. The safety is further improved.
As shown in fig. 1 and fig. 2, in the present embodiment, the upper beam 41 of the load switch 4 is connected to the insulating side bushing 2 disposed on the box 1 through the main bus bar 3; the fuse tube 5 is connected with a lower beam 44 of the load switch 4 through a second grounding bar 6; the lower end of a grounding auxiliary device 8 in the high-pressure gas box is arranged at the bottom in the box body 1, and the upper end of the grounding auxiliary device 8 is connected with a moving cutter head driving shaft 431; the insulating sleeve 10 is installed below the fuse cylinder 5, the insulating sleeve 10 corresponds to the fuse cylinder 5 one by one, the insulating sleeve 10 is connected with the fuse cylinder 5 through the third grounding bar 7, the grounding auxiliary device 8 is linked along with the rotation of the power head driving shaft 431, and when the power head driving shaft 431 drives the three-phase moving cutter head 45 to rotate to the grounding position, the power head driving shaft 431 drives the grounding auxiliary device 8 to contact with the insulating sleeve 10, so that the auxiliary grounding of the load switch 4 and the fuse cylinder 5 is completed; the explosion-proof device 9 is arranged at the bottom of the box body 1 and used for explosion venting.
In the present embodiment, the striker mechanism 13, the interlock release 12, and the switch drive mechanism 11 of the high-pressure gas tank are provided outside the case 1, the striker mechanism 13 is connected to the fuse tube 5, and the interlock release 12 links the switch drive mechanism 11 and the striker mechanism 13. When a short-circuit fault occurs, the fuse cylinder 5 is tripped due to overheating, the fuse cylinder 5 pushes the striker mechanism 13 to act while the fault is cut off, the striker mechanism 13 enables the interlocking tripping device 12 to be linked to drive the switch driving mechanism 11 to act, and the switch driving mechanism 11 finishes tripping the load switch 4 to play a role in safety protection.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a high-pressure gas tank for high-voltage combined electrical apparatus cabinet which characterized in that includes:
a box body (1);
the load switch (4) is arranged in the box body (1), and the axis of a movable cutter head driving shaft (431) of the load switch (4) is arranged along the horizontal X direction;
the fuse box comprises three fuse tubes (5) which are arranged in the box body (1) and located below the load switch (4), and the three fuse tubes (5) are linearly and sequentially arranged along the horizontal Y direction perpendicular to the horizontal X direction.
2. The high-pressure gas tank for a high-voltage combined electrical cabinet according to claim 1, characterized in that the load switch (4) comprises:
a fixed frame (42);
the upper cross beam (41) is provided with a first conductive part and a first insulating part, the first insulating part is poured and wrapped outside the first conductive part, a three-phase static cutter head (411) of the first conductive part is exposed out of the first insulating part, and the upper cross beam (41) is fixed to the fixed frame through the first insulating part;
the lower beam (44) is provided with a second conductive part and a second insulating part, the second insulating part is poured and wrapped outside the second conductive part, a third connection part (441) of the second conductive part is exposed out of the second insulating part, and the lower beam (44) is fixed to the fixed frame (42) through the second insulating part;
the three-phase movable cutter head (45) is rotatably connected to the three-phase connection part (441), and the three-phase static cutter head (411) and the three-phase movable cutter head (45) are arranged along the horizontal X direction.
3. The high-pressure air box for the high-voltage combined electrical cabinet as claimed in claim 2, wherein the phase spacing of the three-phase static cutter head (411) is 105 mm-115 mm.
4. The cabinet according to claim 2, wherein the fixing frame (42) comprises a first fixing plate and a second fixing plate arranged in parallel, and both ends of the upper beam (41) and both ends of the lower beam (44) are fixed to the first fixing plate and the second fixing plate respectively.
5. The high-pressure air box for the high-voltage combined electrical cabinet as claimed in claim 4, wherein two ends of a grounding beam (48) of the load switch (4) are respectively fixed on the first fixing plate and the second fixing plate, the grounding beam (48) is provided with a first grounding row (46), and the first grounding row (46) is provided with a grounding contact (47);
when the three-phase moving cutter head (45) rotates to be connected with the grounding contact (47), the three-phase moving cutter head (45) is in a grounding position;
when the three-phase movable cutter head (45) rotates to be connected with the three-phase static cutter head (411), the three-phase movable cutter head (45) is in a switch-on position;
when the three-phase movable cutter head (45) rotates to a position between the grounding contact (47) and the three-phase static cutter head (411), the three-phase movable cutter head (45) is in a brake separating position.
6. The high-pressure air box for the high-voltage combined electrical cabinet according to claim 2, wherein the load switch (4) further comprises an arc extinguishing component (49), the arc extinguishing component (49) is arranged on the upper cross beam (41), is positioned on a rotating path of the three-phase moving cutter head (45), and is arranged close to the three-phase static cutter head (411), and each three-phase static cutter head (411) corresponds to one arc extinguishing component (49).
7. The high-pressure gas tank for a high-voltage combined electrical cabinet according to claim 6, characterized in that the arc extinguishing assembly (49) comprises:
an arc chute support (491) fixed to the upper beam (41);
the arc extinguishing bars (492) are arranged on the arc extinguishing bar brackets (491), and the arc extinguishing bars (492) are used for cutting off electric arcs between the three-phase moving cutter head (45) and the three-phase static cutter head (411).
8. The high-pressure air box for the high-voltage combined electrical cabinet as claimed in claim 2, wherein the three-phase moving blade (45) is driven to rotate by a driving assembly (43), and the driving assembly (43) comprises:
the movable cutter head driving shaft (431), both ends of the movable cutter head driving shaft (431) are rotatably connected to the fixed frame, and the movable cutter head driving shaft (431) is used for being connected with a switch driving mechanism arranged outside the box body;
one end of the first connecting rod (432) is circumferentially limited and fixed on the movable cutter head driving shaft (431);
one end of the second connecting rod (433) is rotatably connected with the other end of the first connecting rod (432);
and the insulating sleeve (434) is fixedly sleeved on the three-phase movable cutter head (45), the other end of the second connecting rod (433) is rotatably connected with the insulating sleeve (434), and the first connecting rod (432), the second connecting rod (433) and the three-phase movable cutter head (45) form a four-connecting-rod structure.
9. The high-voltage air box for the high-voltage combined electrical cabinet according to claim 8, wherein the number of the first connecting rod (432), the second connecting rod (433) and the insulating sleeve (434) is three, and each moving head of the three-phase moving head (45) corresponds to one insulating sleeve (434), one first connecting rod (432) and one second connecting rod (433).
10. The high-pressure air box for the high-voltage combined electrical cabinet as claimed in claim 8, wherein the cross section of the moving blade driving shaft (431) is polygonal, and one end of the first connecting rod (432) is provided with a polygonal hole matched with the moving blade driving shaft (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021743887.0U CN213212782U (en) | 2020-08-19 | 2020-08-19 | High-pressure gas tank for high-voltage combined electrical appliance cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021743887.0U CN213212782U (en) | 2020-08-19 | 2020-08-19 | High-pressure gas tank for high-voltage combined electrical appliance cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213212782U true CN213212782U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021743887.0U Active CN213212782U (en) | 2020-08-19 | 2020-08-19 | High-pressure gas tank for high-voltage combined electrical appliance cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI799098B (en) * | 2021-02-25 | 2023-04-11 | 美商金盤電氣設備股份有限公司 | Switchgear system having truck driven shutter mechanism and method for operating the same |
| US11742639B2 (en) | 2021-02-25 | 2023-08-29 | Jst Power Equipment, Inc. | Switchgear system having truck driven shutter mechanism |
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2020
- 2020-08-19 CN CN202021743887.0U patent/CN213212782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI799098B (en) * | 2021-02-25 | 2023-04-11 | 美商金盤電氣設備股份有限公司 | Switchgear system having truck driven shutter mechanism and method for operating the same |
| US11742639B2 (en) | 2021-02-25 | 2023-08-29 | Jst Power Equipment, Inc. | Switchgear system having truck driven shutter mechanism |
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