CN211555773U

CN211555773U - Outdoor high-voltage permanent magnet vacuum automatic recloser

Info

Publication number: CN211555773U
Application number: CN202020359306.7U
Authority: CN
Inventors: 李光金
Original assignee: Shengsu Electric Co ltd
Current assignee: Shengsu Electric Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-09-22
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses an outdoor high-voltage permanent magnet vacuum automatic recloser, which comprises a box body, a box cover, a monostable permanent magnet mechanism and a vacuum arc extinguish chamber, wherein four corners at the top of the box body are fixedly connected with four corners at the bottom of the box cover through fixing pieces and mounting pins, three insulators which are uniformly distributed are fixedly arranged at the top of the box cover, the vacuum arc extinguish chamber is fixedly arranged in each insulator, and the monostable permanent magnet mechanism is fixedly arranged at the bottom of the box body. Stable work, good stability and reliability and can be frequently operated for a long time.

Description

Outdoor high-voltage permanent magnet vacuum automatic recloser

Technical Field

The utility model relates to an automatic recloser, in particular to automatic recloser in outdoor high-pressure permanent magnetism vacuum belongs to the distribution field.

Background

The existing vacuum recloser is applied to the control of medium-voltage vacuum switch equipment and comprises a vacuum arc-extinguishing chamber, an insulator and an operating mechanism. The general operating mechanism is mostly a mechanical unlocking and locking device, and the mechanical structure is more, the system is complex, so that the equipment failure rate is higher, the stability and the reliability are poor, and frequent maintenance is required for long-term use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic coincidence ware in outdoor high pressure permanent magnetism vacuum to solve present vacuum coincidence ware operating mechanism that proposes in the above-mentioned background art and take off, locking device for machinery mostly, because mechanical structure is many, the system is complicated, and it is higher to lead to the equipment trouble rate, and stability and reliability are poor, long-term the use needs the problem of regular maintenance.

In order to achieve the above object, the utility model provides a following technical scheme: an outdoor high-voltage permanent magnet vacuum automatic recloser comprises a box body, a box cover, a monostable permanent magnet mechanism and a vacuum arc extinguish chamber, the four corners at the top of the box body are fixedly connected with the four corners at the bottom of the box cover through fixing sheets and mounting pins, and four of the mounting pins are fixedly connected with one end of the mounting plate, three insulators which are uniformly distributed are fixedly mounted at the top of the box cover, vacuum arc-extinguishing chambers are fixedly arranged inside the three insulators, the bottom of the box body is fixedly provided with a monostable permanent magnet mechanism, the top of the monostable permanent magnet mechanism is connected with the bottom of the movable plate in a sliding way through a slide rail, and both ends of the monostable permanent magnetic mechanism are fixedly connected with the bottom ends of the connecting rods through fixing devices, the bottom ends of the two connecting rods are respectively fixedly connected with both ends of the bottom of the movable plate, and the top of the movable plate is in transmission connection with the vacuum arc extinguish chamber through a transmission mechanism.

As an optimized technical scheme of the utility model, the both sides of box are all fixed and are provided with the abrasionproof piece.

As an optimal technical scheme of the utility model, it is three the insulator all overlaps with the junction of case lid and is equipped with the sealing washer.

As a preferred technical scheme of the utility model, monostable permanent magnetic mechanism includes the transfer line, goes up magnetic domain, circle magnetic domain, coil, permanent magnet, iron core, magnetic domain and two end plates down, the equal fixedly connected with end plate in both ends of circle magnetic domain, one of them the outer lane of end plate is inlayed and is equipped with magnetic domain, another the inner circle of end plate is inlayed and is equipped with down the magnetic domain, the inside sliding connection of circle magnetic domain has the iron core, just the coil on iron core surface is located to the one end fixed mounting of circle magnetic domain inner wall cover, the permanent magnet on iron core surface is located to the other end fixed mounting of circle magnetic domain inner wall cover, iron core and transfer line alternate fixed connection, two end plates are passed respectively at the both ends of.

As a preferred technical scheme of the utility model, drive mechanism all includes hinge rod, transmission loop bar, transmission stand, separating brake spring and axle sleeve, the axle sleeve alternates with the transmission stand to be connected, the top of transmission stand is connected with the bottom block of transmission loop bar, the bottom of transmission stand is rotated through the bottom of pivot and hinge rod and is connected.

As an optimal technical scheme of the utility model, the top of insulator is passed to the quiet end conducting rod that sets up at vacuum interrupter top, the top block that moves conducting rod and transmission loop bar that sets up bottom the vacuum interrupter is connected.

As a preferred technical scheme of the utility model, two fixing device all includes wrong pole, screw rod, fixed plate and sleeve, telescopic inner wall inlays and is equipped with the fixed plate, the one end of fixed plate is passed the sleeve through the screw rod and is twisted the one end fixed connection of pole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an outdoor high pressure permanent magnetism vacuum automatic recloser, vacuum automatic recloser installs fixedly through four installation pieces, easy operation has four fixed points, and is fixed firm, consolidates box and case lid through the stationary blade simultaneously, and vacuum automatic recloser stable in structure is safe in utilization, accomplishes combined floodgate, the separating brake of vacuum automatic recloser through monostable permanent magnetic mechanism, action simple structure, job stabilization, stability and good reliability, can frequently operate for a long time.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of the monostable permanent magnet mechanism of the present invention;

fig. 4 is a schematic structural diagram of the local part a of the present invention.

In the figure: 1. a box body; 2. a box cover; 3. an insulator; 4. mounting a sheet; 5. a fixing sheet; 6. installing a pin; 7. a seal ring; 8. a monostable permanent magnet mechanism; 9. a vacuum arc-extinguishing chamber; 10. a movable plate; 11. a connecting rod; 12. a hinge rod; 13. an anti-wear sheet; 14. a slide rail; 15. a transmission mechanism; 16. a transmission upright post; 17. a brake separating spring; 18. a drive loop bar; 19. a shaft sleeve; 20. a fixing device; 21. a transmission rod; 22. a lower magnetic domain; 23. a circular magnetic domain; 24. a permanent magnet; 25. an iron core; 26. a coil; 27. an upper magnetic domain; 28. and an end plate.

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.

Referring to fig. 1-4, the utility model provides an outdoor high-voltage permanent magnet vacuum automatic recloser, which comprises a box body 1, a box cover 2, a monostable permanent magnet mechanism 8 and a vacuum arc-extinguishing chamber 9, wherein four corners at the top of the box body 1 are fixedly connected with four corners at the bottom of the box cover 2 through fixing pieces 5 and mounting pins 6, and four mounting pins 6 are all fixedly connected with one end of the mounting piece 4, three insulators 3 which are uniformly distributed are fixedly mounted at the top of the box cover 2, the vacuum arc-extinguishing chamber 9 is fixedly arranged inside the three insulators 3, the monostable permanent magnet mechanism 8 is fixedly mounted at the bottom of the box body 1, the top of the monostable permanent magnet mechanism 8 is slidably connected with the bottom of a movable plate 10 through a sliding rail 14, two ends of the monostable permanent magnet mechanism 8 are fixedly connected with the bottom ends of connecting rods 11 through fixing devices 20, the bottom ends of the two connecting rods, the top of fly leaf 10 is passed through drive mechanism 15 and is connected with the transmission of vacuum interrupter 9, and the automatic recloser in vacuum installs fixedly through four installation pieces 4, and easy operation has four fixed points, and is fixed firm, consolidates box 1 and case lid 2 through the stationary blade simultaneously, and the automatic recloser in vacuum stable in structure is safe in utilization, accomplishes closing a floodgate, the separating brake of the automatic recloser in vacuum through monostable permanent magnetic mechanism 8.

Preferably, the wear-resistant sheets 13 are fixedly arranged on both sides of the box body 1 to protect the surface of the box body 1, so that the service life of the recloser is prolonged.

Preferably, the joints of the three insulators 3 and the box cover 2 are all sleeved with sealing rings 7 for sealing and waterproofing.

Preferably, the monostable permanent magnet mechanism 8 includes a transmission rod 21, an upper magnetic domain 27, a circular magnetic domain 23, a coil 26, a permanent magnet 24, an iron core 25, a lower magnetic domain 22 and two end plates 28, both ends of the circular magnetic domain 23 are fixedly connected with the end plates 28, an outer ring of one end plate 28 is embedded with the upper magnetic domain 27, an inner ring of the other end plate 28 is embedded with the lower magnetic domain 22, the inside of the circular magnetic domain 23 is slidably connected with the iron core 25, one end of the inner wall of the circular magnetic domain 23 is fixedly provided with the coil 26 sleeved on the surface of the iron core 25, the other end of the inner wall of the circular magnetic domain 23 is fixedly provided with the permanent magnet 24 sleeved on the surface of the iron core 25, the iron core 25 is fixedly connected with the transmission rod 21 in an inserting manner, both ends of the transmission rod 21 respectively penetrate through the; when the iron core 25 is in the switching-off state, the coil 26 is energized with forward current, and the direction of the magnetic field generated by the coil 26 is consistent with that of the magnetic field generated by the permanent magnet 24, so that the iron core 25 is pushed to the upper magnetic domain 27 by magnetic force, and simultaneously, the upper end surface of the iron core 25 is firmly attracted with the end surface of the upper magnetic domain 27, so that the switching-on action of the monostable permanent magnet mechanism 8 is completed, and the switching-on action of the permanent magnet vacuum recloser is completed through the movable plate 10 and the transmission mechanism 15; similarly, when the iron core 25 is in a closing state, a reverse current is supplied to the coil 26, the direction of the magnetic field generated by the coil 26 is opposite to that of the magnetic field generated by the permanent magnet 24, so that the magnetic field generated by the permanent magnet 24 is offset from the magnetic field generated by the coil 26, the iron core 25 is in a state without magnetic influence, the movable plate 10 is reset under the action of the pulling force of the switching spring 17 in the transmission mechanism 15, the iron core 25 moves towards the lower magnetic domain 16 and closes, and the monostable permanent magnet mechanism 8 completes the switching-off action and completes the switching-off action of the permanent magnet vacuum recloser through the movable plate 10 and the transmission mechanism 15.

Preferably, the transmission mechanisms 15 all include a hinge rod 12, a transmission sleeve rod 18, a transmission upright post 16, a brake separating spring 17 and a shaft sleeve 19, the shaft sleeve 19 is connected with the transmission upright post 16 in an inserting manner, the top end of the transmission upright post 16 is connected with the bottom end of the transmission sleeve rod 18 in a clamping manner, the bottom end of the transmission upright post 16 is rotatably connected with the bottom end of the hinge rod 12 through a rotating shaft, the transmission upright post 16 is driven to move relative to the shaft sleeve 19 in a stretching manner through the hinge rod 12, the shaft sleeve 19 reduces abrasion caused when the transmission upright post 16 moves, the transmission upright post 16 drives the permanent magnet vacuum recloser to act through the transmission sleeve rod 18, and the brake separating spring 17 gives a brake separating force for driving the transmission mechanisms.

Preferably, a static end conducting rod arranged at the top of the vacuum arc extinguish chamber 9 penetrates through the top end of the insulator 3, a movable conducting rod arranged at the bottom of the vacuum arc extinguish chamber 9 is connected with the top end of the transmission sleeve rod 18 in a clamping mode, the vacuum arc extinguish chamber 9 is connected with a high-voltage power grid through the static end conducting rod, the movable conducting rod is driven to move through the transmission sleeve rod 18, and the opening and closing of the permanent magnet vacuum recloser are achieved.

Preferably, two fixing device 20 all include wrong pole, screw rod, fixed plate and sleeve, and telescopic inner wall inlays and is equipped with the fixed plate, and the one end of fixed plate passes sleeve and the one end fixed connection who twists the pole through the screw rod, and it is rotatory to drive the screw rod through twisting the pole to drive the fixed plate motion, accomplish and fix connecting rod 11 of being connected with the sleeve interlude.

When the vacuum automatic recloser is used, the vacuum automatic recloser is fixedly installed through the four installation sheets 4, the operation is simple, the vacuum automatic recloser is provided with four fixing points and is fixed stably, meanwhile, the box body 1 and the box cover 2 are reinforced through the fixing sheets, the vacuum automatic recloser is stable in structure and safe to use, the switching-on and switching-off of the vacuum automatic recloser are completed through the monostable permanent magnet mechanism 8, and the permanent magnet 24, the circular magnetic domain 23, the upper magnetic domain 27 and the iron core 25 form a one-way closed magnetic field loop; when the iron core 25 is in the switching-off state, the coil 26 is energized with forward current, and the direction of the magnetic field generated by the coil 26 is consistent with that of the magnetic field generated by the permanent magnet 24, so that the iron core 25 is pushed to the upper magnetic domain 27 by magnetic force, and simultaneously, the upper end surface of the iron core 25 is firmly attracted with the end surface of the upper magnetic domain 27, so that the switching-on action of the monostable permanent magnet mechanism 8 is completed, and the switching-on action of the permanent magnet vacuum recloser is completed through the movable plate 10 and the transmission mechanism 15; similarly, when the iron core 25 is in a closing state, a reverse current is supplied to the coil 26, the direction of the magnetic field generated by the coil 26 is opposite to that of the magnetic field generated by the permanent magnet 24, so that the magnetic field generated by the permanent magnet 24 is cancelled out by the magnetic field generated by the coil 26, the iron core 25 is in a non-magnetic-force-influence state, the movable plate 10 is reset under the action of the pulling force of the switching spring 17 in the transmission mechanism 15, the iron core 25 moves towards the lower magnetic domain 16 and closes, so that the monostable permanent magnet mechanism 8 completes the switching-off action, the switching-off action of the permanent magnet vacuum recloser is completed through the movable plate 10 and the transmission mechanism 15, the transmission mechanism 15 comprises a hinge rod 12, a transmission sleeve rod 18, a transmission upright post 16, a switching-off spring 17 and a shaft sleeve 19, the movable top end of the hinge rod 12 is driven to ascend or descend by the movable plate 10, the transmission upright post 16 is driven to, the transmission upright post 16 drives the permanent magnet vacuum recloser to act through the transmission sleeve rod 18, the opening spring 17 gives a force for driving the opening of the permanent magnet vacuum recloser to the transmission mechanism 15, the vacuum arc extinguish chamber 9 is connected with a high-voltage power grid through the static end conducting rod, and the transmission sleeve rod 18 drives the movable conducting rod to act, so that the opening and closing of the permanent magnet vacuum recloser are realized.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic coincidence ware in outdoor high pressure permanent magnetism vacuum, includes box (1), case lid (2), monostable permanent magnetic mechanism (8) and vacuum interrupter (9), its characterized in that, four corners at box (1) top and four corners of case lid (2) bottom pass through stationary blade (5) and mounting pin (6) fixed connection, and four mounting pin (6) all with the one end fixed connection of mounting blade (4), the top fixed mounting of case lid (2) has three evenly distributed's insulator (3), three the inside of insulator (3) is all fixed and is provided with vacuum interrupter (9), the bottom fixed mounting of box (1) has monostable permanent magnetic mechanism (8), the bottom sliding connection of slide rail (14) and fly leaf (10) is passed through at the top of monostable permanent magnetic mechanism (8), just the bottom sliding connection of monostable permanent magnetic mechanism (8) both ends all through fixing device (20) and connecting rod (11) The bottom of connecting rod (11) is respectively with the both ends fixed connection of fly leaf (10) bottom, the top of fly leaf (10) is passed through drive mechanism (15) and is connected with vacuum interrupter (9) transmission.

2. The outdoor high-voltage permanent-magnet vacuum automatic recloser according to claim 1, characterized in that: and the two sides of the box body (1) are fixedly provided with anti-abrasion sheets (13).

3. The outdoor high-voltage permanent-magnet vacuum automatic recloser according to claim 1, characterized in that: and sealing rings (7) are sleeved at the joints of the three insulators (3) and the box cover (2).

4. The outdoor high-voltage permanent-magnet vacuum automatic recloser according to claim 1, characterized in that: the monostable permanent magnet mechanism (8) comprises a transmission rod (21), an upper magnetic domain (27), a circular magnetic domain (23), a coil (26), a permanent magnet (24), an iron core (25), a lower magnetic domain (22) and two end plates (28), the two ends of the circular magnetic domain (23) are fixedly connected with the end plates (28), an upper magnetic domain (27) is embedded in the outer ring of one end plate (28), a lower magnetic domain (22) is embedded in the inner ring of the other end plate (28), an iron core (25) is connected in the circular magnetic domain (23) in a sliding manner, and one end of the inner wall of the circular magnetic domain (23) is fixedly provided with a coil (26) which is sleeved on the surface of the iron core (25), the other end of the inner wall of the circular magnetic domain (23) is fixedly provided with a permanent magnet (24) sleeved on the surface of the iron core (25), the iron core (25) is fixedly connected with the transmission rod (21) in a penetrating mode, and two ends of the transmission rod (21) penetrate through the two end plates (28) respectively.

5. The outdoor high-voltage permanent-magnet vacuum automatic recloser according to claim 1, characterized in that: drive mechanism (15) all include hinge rod (12), transmission loop bar (18), transmission stand (16), separating brake spring (17) and axle sleeve (19), axle sleeve (19) alternate with transmission stand (16) and are connected, the top of transmission stand (16) is connected with the bottom block of transmission loop bar (18), the bottom of transmission stand (16) is connected through the bottom rotation of pivot with hinge rod (12).

6. The outdoor high-voltage permanent-magnet vacuum automatic recloser according to claim 5, characterized in that: the top of insulator (3) is passed to the quiet end conducting rod that vacuum interrupter (9) top set up, the top block of moving conducting rod and transmission loop bar (18) that vacuum interrupter (9) bottom set up is connected.

7. The outdoor high-voltage permanent-magnet vacuum automatic recloser according to claim 1, characterized in that: two fixing device (20) all include wrong pole, screw rod, fixed plate and sleeve, telescopic inner wall inlays and is equipped with the fixed plate, the one end of fixed plate passes the sleeve through the screw rod and wrong one end fixed connection of pole.