Intelligent high-voltage vacuum circuit breaker
Technical Field
The utility model belongs to the technical field of vacuum circuit breaker, concretely relates to intelligent high-pressure vacuum circuit breaker.
Background
A vacuum circuit breaker: the arc extinguishing medium and the insulating medium in the contact gap after arc extinguishing are both high vacuum, so that the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is popularized to application in a power distribution network. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment;
when the existing high-voltage vacuum circuit breaker is used outdoors, the vacuum circuit breaker cannot be externally fine-tuned after being installed, so that the installation of other lines is influenced, and the use of people is influenced.
Therefore, in order to meet the current situation, it is urgently needed to design and produce an intelligent high-voltage vacuum circuit breaker so as to meet the requirement of practical use.
Disclosure of Invention
An object of the utility model is to provide an intelligent high-pressure vacuum circuit breaker to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an intelligent high-voltage vacuum circuit breaker comprises a mounting plate, a box body, a fixing frame and a vacuum circuit breaker body, wherein the mounting plate is arranged to be of a rectangular plate-shaped structure, the box body is fixed at the center of the top end of the mounting plate through bolts, a top plate is fixed at the top end of the box body through two groups of supporting block bolts, and the vacuum circuit breaker body and the fixing frame are sequentially arranged in the box body from top to bottom;
the utility model discloses a vacuum circuit breaker, including box, fixed frame, fixed plate outer wall, screw hole threaded connection, the winding displacement mouth that two sets of symmetries set up is seted up to the box back wall, and is provided with symmetrical first splint and second splint in the winding displacement mouth, the inside fixed plate that is provided with rectangular platelike structure of fixed frame, multiunit thread groove has been seted up on the fixed plate top, the vacuum circuit breaker body passes through thread groove threaded connection on multiunit bolt and the fixed plate, the screw hole female connection that the fixed plate outer wall was seted up has the threaded rod, equal sliding connection has the lead screw in.
Preferably, a set of vertical outer wall bolt of fixed frame is fixed with driving motor, driving motor's output passes through shaft coupling and threaded rod one end fixed connection, the threaded rod other end passes through the bearing and is connected, two sets of with the fixed frame a set of vertical inner wall rotation the lead screw respectively with the fixed welding of two sets of vertical inner walls of fixed frame.
Preferably, roof top integrated into one piece has two sets of engaging lugs, and fixed welding has the shielding plate of arc structure between two sets of engaging lugs.
Preferably, first splint and the fixed welding of the two sets of horizontal inner walls of winding displacement mouth, the spout sliding connection that second splint and the two sets of horizontal inner walls of winding displacement mouth were seted up, the symmetrical arc wall of multiunit has all been seted up to the relative one end of first splint and second splint, fixed welding has three group expanding spring between the vertical inner wall of a set of second splint and winding displacement mouth.
Preferably, a plurality of groups of heat dissipation openings are formed in two groups of vertical outer walls of the box body, and dust screens corresponding to the plurality of groups of heat dissipation openings are respectively fixed on the two groups of vertical inner walls of the box body through bolts.
The utility model discloses a technological effect and advantage: according to the intelligent high-voltage vacuum circuit breaker, the threaded rod is driven to rotate by the driving motor, and the threaded rod drives the fixing plate to transversely slide on the two groups of screw rods, so that the vacuum circuit breaker body arranged on the fixing plate is subjected to fine adjustment of the transverse angle, and therefore, other circuits can be conveniently installed, and maintenance personnel can conveniently maintain the vacuum circuit breaker; the first clamping plate, the second clamping plate and the three groups of telescopic springs are matched for use, so that the possibility of winding of multiple groups of wires is reduced, and the wires of various sizes can be fixed according to the flexibility of the telescopic springs; the baffle plate with the arc-shaped structure is fixedly welded with the two groups of connecting lugs at the top end of the top plate, so that the baffle plate not only reduces the damage of falling objects to the box body, but also forms an overhead heat insulation layer with the top plate, and the heat insulation effect is achieved; this intelligent high-pressure vacuum circuit breaker, simple structure, the practicality is strong.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a top view of the fixing frame of the present invention;
fig. 3 is an enlarged view of the structure a in fig. 1 according to the present invention;
fig. 4 is an enlarged view of the structure B in fig. 1 according to the present invention.
In the figure: the vacuum circuit breaker comprises a mounting plate 1, a box body 2, a fixing frame 3, a vacuum circuit breaker body 4, a top plate 5, a shielding plate 6, a fixing plate 7, a driving motor 8, a threaded rod 9, a lead screw 10, a first clamping plate 11, a second clamping plate 12, a telescopic spring 13 and a dust screen 14.
Detailed Description
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.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides an intelligent high-voltage vacuum circuit breaker as shown in figures 1-4, including mounting panel 1, box 2, fixed frame 3 and vacuum circuit breaker body 4, mounting panel 1 sets up to rectangular plate structure, the central department bolt fastening of mounting panel 1 top has box 2, and the box 2 front surface sets up to the opening, and the port department of the open end of box 1 has two sets of installation doors through the multiunit hinge connection, the top of box 2 has roof 5 through two sets of piece bolt fastening, vacuum circuit breaker body 4 and fixed frame 3 have set gradually from the top down in box 2;
the utility model discloses a vacuum circuit breaker, including box 2, fixed frame 3, fixed frame 7, fixed plate 7, the fixed plate 7 top has seted up multiunit thread groove, vacuum circuit breaker body 4 passes through the thread groove threaded connection on multiunit bolt and the fixed plate 7, the threaded hole female connection that the outer wall of fixed plate was seted up has threaded rod 9, equal sliding connection has lead screw 10 in two sets of removal holes that the outer wall of fixed plate was seted up, and threaded rod 9 sets up between two sets of lead screw 10, and the interior symmetrical first splint 11 and the second splint 12 that are provided with of thread groove, fixed frame 3 is inside to be provided with rectangular platelike structure's fixed plate 7.
Concretely, a set of vertical outer wall bolt of fixed frame 3 is fixed with driving motor 8, driving motor 8's output passes through shaft coupling and 9 one end fixed connection of threaded rod, the 9 other ends of threaded rod pass through the bearing and rotate with a set of vertical inner wall of fixed frame 3 and be connected, and are two sets of lead screw 10 respectively with the fixed welding of two sets of vertical inner walls of fixed frame 3.
Specifically, 5 top integrated into one piece of roof has two sets of engaging lugs, and fixed welding has the shielding plate 6 of arc structure between two sets of engaging lugs.
Specifically, first splint 11 and the fixed welding of the two sets of horizontal inner walls of winding displacement mouth, the spout sliding connection that second splint 12 and the two sets of horizontal inner walls of winding displacement mouth were seted up, the symmetrical arc wall of multiunit has all been seted up to the relative one end of first splint 11 and second splint 12, fixed welding has three expanding spring 13 of group between the vertical inner wall of a set of second splint 12 and winding displacement mouth.
Specifically, a plurality of groups of heat dissipation openings are formed in two groups of vertical outer walls of the box body 2, and dust screens 14 corresponding to the plurality of groups of heat dissipation openings are respectively fixed on the two groups of vertical inner walls of the box body 2 through bolts.
The theory of operation, this intelligent high pressure vacuum circuit breaker, when using, at first place vacuum circuit breaker body 4 on fixed plate 7, fix vacuum circuit breaker body 4 and fixed plate 7 through the multiunit bolt, then start driving motor 8, driving motor 8 drives threaded rod 9 and rotates, threaded rod 9 drives fixed plate 7 lateral sliding on two sets of lead screws 10, make vacuum circuit breaker body 4 installed on fixed plate 7 carry out the fine setting of horizontal angle, then the user passes the arc wall on first splint 11 and the second splint 12 with the wiring in proper order, and be connected wiring and external equipment, in vacuum circuit breaker body 4 operation process, multiunit thermovent carries out ventilation and heat dissipation to the box inside, dust screen 14 effectively blocks in the dust gets into box 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.