CN215600907U

CN215600907U - High-voltage ring main unit safety switching device

Info

Publication number: CN215600907U
Application number: CN202121762841.8U
Authority: CN
Inventors: 普木保
Original assignee: Yunnan Mingtai Electric Control Technology Co ltd
Current assignee: Yunnan Mingtai Electric Control Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-21
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a high-voltage ring main unit safety switching device in the technical field of ring main units, which comprises a main body, wherein a first binding post and a second binding post are fixedly arranged on the top of the main body from left to right, the bottom ends of the first binding post and the second binding post penetrate through the top of the main body and extend to the inner side of the main body, a first electromagnet is electrified to generate magnetism to drive a first contact block to move upwards, the first electromagnet is powered off to eliminate the ferromagnetism of the first electromagnet, the first contact block is separated from the first binding post under the action of a first reset spring, the second electromagnet is electrified to generate magnetism, the second electromagnet adsorbs a second iron block to drive a second contact block to move upwards, then an outer insulating sleeve is rotated to enable a wire to enter the inner side of an arc-shaped groove, the wire can be hidden, and the first binding post and the second binding post are prevented from being exposed outside, simple structure, when the cabinet body is in the outage state, can start stand-by power supply, simple swift.

Description

High-voltage ring main unit safety switching device

Technical Field

The utility model relates to the technical field of ring main units, in particular to a high-voltage ring main unit safety switching device.

Background

The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, the core part of the ring main unit adopts a load switch and a fuse, and the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely used in distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.

However, the ring main unit can supply power to residential districts, high-rise buildings and the like when in normal use, the state that equipment is in the sudden power failure can cause influence on power supply, and for ensuring that equipment can continue to work under the power failure state, most of equipment can set up stand-by power supplies to distribute power, but these stand-by power supplies need manual work or other equipment to be connected, and the operation is troublesome, and for this reason, we provide a high-voltage ring main unit safety switching device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage ring main unit safety switching device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-voltage ring main unit safety switching device comprises a main body, wherein a first terminal and a second terminal are fixedly installed on the top of the main body from left to right in sequence, the bottom ends of the first terminal and the second terminal penetrate through the top of the main body and extend to the inner side of the main body, fixed rods are fixedly connected to the top of the inner side of the main body at the ends where the first terminal and the second terminal are separated from each other, the bottoms of the two fixed rods are fixedly connected with a connecting plate, the outer sides of the two fixed rods are respectively and slidably connected with a first electromagnet and a second electromagnet, the outer sides of the two fixed rods are respectively connected to the lower ends of the first electromagnet and the second electromagnet in a sleeved mode, the bottoms of the first reset spring and the second reset spring are respectively and fixedly connected with the top of the connecting plate, the tops of the first reset spring and the second reset spring are respectively and fixedly connected with the bottoms of the first electromagnet and the second electromagnet, two the dead lever outside is located first electro-magnet and second electro-magnet upper end respectively fixed mounting have first iron plate and second iron plate, first terminal and second terminal outside all cover and are equipped with the internal insulation cover, two the internal insulation cover outside all rotates and is connected with the outer insulating cover, two first logical groove has all been seted up to the internal insulation cover opposite side, two the second logical groove has all been seted up to the outer insulating cover opposite side, two the arc wall has all been seted up on outer insulating cover opposite side top.

Preferably, two the dead lever lateral wall has all seted up the guide way, and two the equal sliding connection in guide way inboard has the guide bar, two guide bar is kept away from guide way one end respectively with the inboard fixed connection of first electro-magnet and second electro-magnet.

Preferably, the opposite sides of the first electromagnet and the second electromagnet are fixedly connected with connecting rods, and the tops of the opposite ends of the two connecting rods are respectively and fixedly provided with a first contact block and a second contact block.

Preferably, the distance between the first electromagnet and the first iron block is greater than the distance between the first contact block and the first binding post, and the distance between the second electromagnet and the second iron block is greater than the distance between the second contact block and the second binding post.

Preferably, cabinet body top left side and top right side all set up two mounting grooves that are the symmetric distribution, four threaded hole, four are all seted up to the inboard bottom of mounting groove the mounting groove inboard all is provided with the installation piece, four the equal threaded connection in installation piece top has the screw, and four the screw bottom all extends to the mounting groove inboard and respectively with four screw hole threaded connection, adjacent two installation piece looks remote site all with interior insulation cover lateral wall fixed connection.

Preferably, the inner width of the first through groove, the inner width of the second through groove and the inner width of the arc-shaped groove are equal.

Compared with the prior art, the utility model has the beneficial effects that: the first electromagnet is electrified to generate magnetism, so that the first electromagnet can adsorb the first iron block, and further move upwards outside the fixed rod, under the sliding fit of the guide groove and the guide rod, the first electromagnet can conveniently slide upwards outside the fixed rod, and has a limiting effect on the first electromagnet, so that the first electromagnet is prevented from rotating circumferentially when sliding upwards, and further drives the connecting rod to move upwards, and further drives the first contact block to move upwards, and further stretches the first reset spring, because the distance between the first electromagnet and the first iron block is greater than the distance between the first contact block and the first binding post, the first contact block and the first binding post are in contact with the first electromagnet and the first iron block preferentially, so that the cabinet can be normally used for supplying power, when the cabinet is in a power-off state, the first electromagnet is powered off, and the first electromagnet disappears, under the action of the first reset spring, the first electromagnet slides downwards along the outer side of the fixed rod, so that the first contact block is separated from the first binding post, the standby power supply is started, the second electromagnet generates magnetism after being electrified, the second electromagnet adsorbs a second iron block, so that the second electromagnet moves upwards on the outer side of the fixed rod, under the sliding fit of the guide groove and the guide rod, the second electromagnet can slide upwards on the outer side of the fixed rod conveniently, the second electromagnet is limited, so that the connecting rod is driven to move upwards, the second contact block is driven to move upwards, the second reset spring is stretched, and the distance between the second electromagnet and the second iron block is larger than the distance between the second contact block and the second binding post, so that the second contact block and the second binding post are in contact with the second iron block preferentially to tighten the screw, under the cooperation of screw hole, and then fix the installation piece in the mounting groove inboardly, and then establish two internal insulation cover fixed covers respectively in the first terminal and the second terminal outside, then rotate the external insulation cover, make first logical groove and second logical groove dislocation, and make the wire get into the arc wall inboard, can hide the wire, avoided first terminal and second terminal to expose outside, the electric shock accident takes place easily, moreover, the steam generator is simple in structure, when the cabinet body is in the power-off state, can start stand-by power supply, simple and fast, and high practical value.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a top view of the outer insulating sleeve and inner insulating sleeve structure of the present invention;

fig. 5 is a side view of the outer insulating sleeve and the inner insulating sleeve of the present invention.

In the figure: 1. a cabinet body; 2. an outer insulating sleeve; 3. an inner insulating sleeve; 4. a connecting plate; 5. a first return spring; 6. fixing the rod; 7. a second return spring; 8. a second electromagnet; 9. a second iron block; 10. a first electromagnet; 11. a first iron block; 12. a connecting rod; 13. a first contact block; 14. a first terminal post; 15. a second terminal; 16. mounting blocks; 17. mounting grooves; 18. a first through groove; 19. a second through groove; 20. an arc-shaped slot; 21. a second contact block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides the following technical solutions: a high-voltage ring main unit safety switching device comprises a main body 1, wherein a first terminal 14 and a second terminal 15 are sequentially and fixedly installed on the top of the main body 1 from left to right, the bottom ends of the first terminal 14 and the second terminal 15 penetrate through the top of the main body 1 and extend to the inner side of the main body 1, fixed rods 6 are fixedly connected to the top of the inner side of the main body 1 at the separated ends of the first terminal 14 and the second terminal 15, connecting plates 4 are fixedly connected to the bottoms of the two fixed rods 6, the outer sides of the two fixed rods 6 are respectively and slidably connected with a first electromagnet 10 and a second electromagnet 8, a first reset spring 5 and a second reset spring 7 are respectively sleeved at the lower ends of the first electromagnet 10 and the second electromagnet 8 at the outer sides of the two fixed rods 6, the bottoms of the first reset spring 5 and the second reset spring 7 are fixedly connected with the top of the connecting plates 4, first reset

spring

5 and 7 tops of second reset spring respectively with first electro-magnet 10 and 8 bottom fixed connection of second electro-magnet, two 6 outside dead levers are located first electro-magnet 10 and 8 upper ends of second electro-magnet and respectively fixed mounting have first iron plate 11 and second iron plate 9,

first terminal

14 and 15 outsides of second terminal are all covered and are equipped with internal insulation cover 3, two 3 outsides of internal insulation cover all rotate and are connected with outer insulating cover 2, two first logical groove 18 has all been seted up to 3 opposite sides of internal insulation cover, two second logical groove 19 has all been seted up to 2 opposite sides of outer insulating cover, two arc wall 20 has all been seted up on 2 opposite sides tops of outer insulating cover.

Referring to fig. 2, the outer side walls of the two fixing rods 6 are both provided with guide grooves, the inner sides of the two guide grooves are both connected with guide rods in a sliding manner, one ends of the two guide rods, which are far away from the guide grooves, are respectively fixedly connected with the inner sides of the first electromagnet 10 and the second electromagnet 8, and the first electromagnet 10 and the second electromagnet 8 can conveniently slide up and down on the outer sides of the fixing rods 6 through the sliding fit of the guide grooves and the guide rods;

referring to fig. 2, connecting rods 12 are fixedly connected to opposite sides of a first electromagnet 10 and a second electromagnet 8, a first contact block 13 and a second contact block 21 are fixedly mounted at tops of opposite ends of the two connecting rods 12, respectively, and when the first electromagnet 10 and the second electromagnet 8 move, the two connecting rods 12 can be driven to move up and down, so that the first contact block 13 and the second contact block 21 are driven to move up and down, and the first contact block 13 and the second contact block 21 are respectively in contact with or disconnected from a first terminal 14 and a second terminal 15;

referring to fig. 2, a distance between the first electromagnet 10 and the first iron block 11 is greater than a distance between the first contact block 13 and the first terminal 14, a distance between the second electromagnet 8 and the second iron block 9 is greater than a distance between the second contact block 21 and the second terminal 15, and the first electromagnet 10 and the second electromagnet 8 respectively adsorb the first iron block 11 and the second iron block 9 after being energized, so that the first electromagnet 10 and the second electromagnet 8 respectively approach the first iron block 11 and the second iron block 9, and further the first contact block 13 and the second contact block 21 respectively approach the first terminal 14 and the second terminal 15, so that the first contact block 13 and the second contact block 21 respectively preferentially contact the first terminal 14 and the second terminal 15;

referring to fig. 1, 2 and 3, two symmetrically distributed mounting grooves 17 are formed in the left side and the right side of the top of the cabinet body 1, threaded holes are formed in the bottoms of the inner sides of the four mounting grooves 17, mounting blocks 16 are arranged on the inner sides of the four mounting grooves 17, screws are connected to the tops of the four mounting blocks 16 in a threaded manner, the bottom ends of the four screws extend into the inner sides of the mounting grooves 17 and are respectively in threaded connection with the four threaded holes, opposite ends of the two adjacent mounting blocks 16 are fixedly connected with the side walls of the inner insulating sleeves 3, the screws are tightened, the mounting blocks 16 are fixed to the inner sides of the mounting grooves 17 under the matching of the threaded holes, and the two inner insulating sleeves 3 are respectively and fixedly covered on the outer sides of the first binding post 14 and the second binding post 15;

referring to fig. 4 and 5, after the first terminal 14 and the second terminal 15 are connected, a wire passes through the first through groove 18 and the second through groove 19, and then the outer insulating sleeve 2 is rotated, so that the first through groove 18 and the second through groove 19 are dislocated, and the wire enters the inner side of the arc-shaped groove 20, and the wire can be hidden;

the working principle is as follows: when the cabinet body 1 is used normally, the first electromagnet 10 is powered on to generate magnetism, so that the first electromagnet 10 adsorbs the first iron block 11, the first electromagnet 10 moves upwards outside the fixing rod 6, the first electromagnet 10 conveniently slides upwards outside the fixing rod 6 under the sliding fit of the guide groove and the guide rod, the first electromagnet 10 is limited, the first electromagnet 10 is prevented from rotating circumferentially when sliding upwards, the connecting rod 12 is driven to move upwards, the first contact block 13 is driven to move upwards, the first return spring 5 is stretched, the distance between the first electromagnet 10 and the first iron block 11 is greater than the distance between the first contact block 13 and the first binding post 14, therefore, the first contact block 13 and the first binding post 14 are in contact with the first electromagnet 10 in priority to the first iron block 11, and the cabinet body 1 can be used normally to supply power, when the cabinet body 1 is in a power-off state, the first electromagnet 10 is powered off, the magnetism of the first electromagnet 10 disappears, the first electromagnet 10 slides downwards along the outer side of the fixing rod 6 under the action of the first return spring 5, the first contact block 13 is separated from the first binding post 14, the standby power supply is started, the second electromagnet 8 generates magnetism after being powered on, the second electromagnet 8 adsorbs the second iron block 9, the second electromagnet 8 moves upwards on the outer side of the fixing rod 6, the second electromagnet 8 conveniently slides upwards on the outer side of the fixing rod 6 under the sliding fit of the guide groove and the guide rod, the second electromagnet 8 is limited, the connecting rod 12 is driven to move upwards, the second contact block 21 is driven to move upwards, the second return spring 7 is stretched, and the distance between the second electromagnet 8 and the second iron block 9 is larger than the distance between the second contact block 21 and the second binding post 15, therefore, the second contact block 21 and the second binding post 15 are in contact with the second iron block 9 in preference to the second electromagnet 8, screws are screwed, under the cooperation of threaded holes, and further the installation block 16 is fixed in the installation groove 17 inboard, and further the two inner insulating sleeves 3 are respectively fixed and covered outside the first binding post 14 and the second binding post 15, and then the outer insulating sleeve 2 is rotated, so that the first through groove 18 and the second through groove 19 are staggered, and the wire enters the arc-shaped groove 20 inboard, the wire can be hidden, the first binding post 14 and the second binding post 15 are prevented from being exposed outside, an electric shock accident is easy to occur, the structure is simple, when the cabinet body 1 is in a power-off state, the standby power supply can be started, the operation is simple and fast, and the practical value is high.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-tension loop-network cabinets safety switching device, includes cabinet body (1), its characterized in that: the top of the cabinet body (1) is sequentially fixedly provided with a first terminal (14) and a second terminal (15) from left to right, the bottom ends of the first terminal (14) and the second terminal (15) penetrate through the top of the cabinet body (1) and extend to the inner side of the cabinet body (1), the top of the inner side of the cabinet body (1) is positioned at the separated end of the first terminal (14) and the second terminal (15) and is fixedly connected with a fixed rod (6), the bottom of the two fixed rods (6) is fixedly connected with a connecting plate (4), the outer sides of the two fixed rods (6) are respectively and slidably connected with a first electromagnet (10) and a second electromagnet (8), the outer sides of the two fixed rods (6) are positioned at the lower ends of the first electromagnet (10) and the second electromagnet (8) and are respectively sleeved with a first reset spring (5) and a second reset spring (7), the bottoms of the first reset spring (5) and the second reset spring (7) are respectively and fixedly connected with the top of the connecting plate (4), first reset spring (5) and second reset spring (7) top respectively with first electro-magnet (10) and second electro-magnet (8) bottom fixed connection, two dead lever (6) outside is located first electro-magnet (10) and second electro-magnet (8) upper end fixed mounting respectively has first iron plate (11) and second iron plate (9), first terminal (14) and second terminal (15) outside all cover and are equipped with interior insulation cover (3), two the interior insulation cover (3) outside all rotates and is connected with outer insulating sleeve (2), two first logical groove (18) have all been seted up to interior insulation cover (3) opposite side, two the second leads to groove (19) have all been seted up to outer insulating sleeve (2) opposite side, two arc wall (20) have all been seted up on outer insulating sleeve (2) opposite side top.

2. The high-voltage ring main unit safety switching device according to claim 1, wherein: two the guide way has all been seted up to dead lever (6) lateral wall, and two the equal sliding connection in guide way inboard has the guide bar, two the guide bar is kept away from guide way one end respectively with first electro-magnet (10) and second electro-magnet (8) inboard fixed connection.

3. The high-voltage ring main unit safety switching device according to claim 1, wherein: the first electromagnet (10) and the second electromagnet (8) are fixedly connected with connecting rods (12) on opposite sides, and a first contact block (13) and a second contact block (21) are fixedly mounted at the tops of opposite ends of the two connecting rods (12) respectively.

4. The high-voltage ring main unit safety switching device according to claim 3, wherein: the distance between the first electromagnet (10) and the first iron block (11) is larger than the distance between the first contact block (13) and the first binding post (14), and the distance between the second electromagnet (8) and the second iron block (9) is larger than the distance between the second contact block (21) and the second binding post (15).

5. The high-voltage ring main unit safety switching device according to claim 1, wherein: the utility model discloses a cabinet, including the cabinet body, the cabinet body is characterized in that the cabinet body (1) top left side and top right side all set up two mounting groove (17) that are the symmetric distribution, four mounting groove (17) inboard bottom all sets up threaded hole, four mounting groove (17) inboard all is provided with installation piece (16), four the equal threaded connection in installation piece (16) top has the screw, and four the screw bottom all extends to mounting groove (17) inboard and respectively with four screw hole threaded connection, adjacent two installation piece (16) looks remote site all with interior insulating cover (3) lateral wall fixed connection.

6. The high-voltage ring main unit safety switching device according to claim 1, wherein: the inner width of the first through groove (18), the inner width of the second through groove (19) and the inner width of the arc-shaped groove (20) are equal.