CN218241695U

CN218241695U - Outdoor AC high-voltage column vacuum circuit breaker

Info

Publication number: CN218241695U
Application number: CN202222393422.2U
Authority: CN
Inventors: 孙广; 孙颖; 孙辉
Original assignee: Hebei Guorong Electric Power Equipment Technology Co ltd
Current assignee: Hebei Guorong Electric Power Equipment Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-06
Anticipated expiration: 2032-09-08

Abstract

The utility model belongs to the technical field of distribution equipment, specifically an outdoor AC high-voltage column vacuum circuit breaker, including mounting plate, circuit breaker body, guide pillar and touch arm, the circuit breaker body is installed on the mounting plate surface, the guide pillar equidistance is arranged in circuit breaker body one side, and the guide pillar bottom links to each other with mounting plate surface is fixed, the homogeneous body of guide pillar lateral wall has touch arm, touch arm is equipped with two sets altogether, and is inlet wire end and outlet wire end respectively; the device is characterized in that mounting seats are arranged between the two groups of guide pillars, the mounting seats are in L-shaped structures, and ceramic insulating plates are movably inserted into inner cavities of the mounting seats; this novel wire that connects with solving current vacuum circuit breaker is higher in voltage, can adjust the distance between adjacent two sets of guide pillars according to the voltage size in order to avoid taking place the breakdown phenomenon, and the interval between the higher guide pillar of voltage is more far away to lead to the great problem of vacuum circuit breaker's volume.

Description

Outdoor AC high-voltage column vacuum circuit breaker

Technical Field

The utility model relates to a distribution equipment technical field specifically is an outdoor interchange high-voltage column goes up vacuum circuit breaker.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; 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 relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV, 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-placed cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

Voltage is higher in the wire that current vacuum circuit breaker connected, can adjust the distance between two sets of adjacent guide pillars according to the voltage size in order to avoid taking place the breakdown phenomenon, and is more far away when the interval between the higher guide pillar of voltage to lead to vacuum circuit breaker's volume great, for solving above-mentioned problem, provide an outdoor interchange high-voltage column and go up vacuum circuit breaker in this application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides an outdoor interchange high-voltage column goes up vacuum circuit breaker to voltage is higher in solving the wire that current vacuum circuit breaker connects, can adjust the distance between adjacent two sets of guide pillars according to the voltage size in order to avoid taking place the breakdown phenomenon, and the interval between the higher guide pillar of voltage is more far away, thereby leads to vacuum circuit breaker's the great problem of volume.

(II) technical scheme

In order to solve the technical problem, the utility model provides an outdoor AC high-voltage column vacuum circuit breaker, including mounting plate, circuit breaker body, guide pillar and contact arm, the circuit breaker body is installed on the mounting plate surface, the guide pillar equidistance is arranged in circuit breaker body one side, and the guide pillar bottom links to each other with mounting plate surface is fixed, the homogeneous body of guide pillar lateral wall has the contact arm, the contact arm is equipped with two sets altogether, and is inlet wire end and outlet wire end respectively; the novel guide post structure is characterized in that mounting seats are arranged between the two groups of guide posts and are of L-shaped structures, ceramic insulating plates are movably inserted into inner cavities of the mounting seats, top plates are movably mounted at the tops of the ceramic insulating plates, and cooling fins are arranged on the surfaces of the guide posts.

Preferably, a guide sliding seat is integrally formed on the lower surface of the top plate, and a guide sliding groove is formed in the top of the ceramic insulating plate.

Preferably, the guide sliding groove and the guide sliding seat are both in a convex structure, and the guide sliding groove is matched with the guide sliding seat.

Preferably, the bottom of the side wall of the mounting seat is in threaded connection with a fixing bolt, and the fixing bolt penetrates through the ceramic insulating plate.

Preferably, the surface thread of the top plate is connected with a locking bolt in a penetrating way, and the locking bolt penetrates through the guide sliding seat.

Preferably, the end part of the contact arm is provided with a connecting seat, the surface of the connecting seat is provided with a through hole in a penetrating manner, the outer side of the connecting seat is sleeved with an inserting ring, and the end part of the inserting ring is connected with the contact arm.

Preferably, the side wall of the circuit breaker body corresponds to the guide pillar and is provided with a support frame, the tops of the guide pillars are provided with limit pillars, and the tops of the limit pillars are connected with the ends of the support frame in an inserting mode.

The above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses, be equipped with the mount pad between two sets of guide pillars, the mount pad internalization is pegged graft and is had ceramic insulation board, ceramic insulation board bottom is fixed through fixing bolt with the mount pad junction, thereby can install ceramic insulation board between adjacent two sets of guide pillars, separate the guide pillar through ceramic insulation board, avoid the guide pillar to be separated by the distance and produce the influence each other nearer in the course of the work, carry out the separation through setting up ceramic insulation board and need not to set up the distance between adjacent two sets of guide pillars too big, reducible vacuum circuit breaker's volume.

2. The utility model discloses, the guide pillar top is pegged graft with the support frame tip through spacing post and is linked to each other, and the junction is fixed through the bolt, fixes the guide pillar top through the support frame, can avoid the wire to apply certain pulling force to the guide pillar, and the pulling force that leads to the guide pillar to receive is great and damages.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of another perspective structure of the present invention;

FIG. 3 is a schematic view of the guide pillar mounting structure of the present invention;

fig. 4 is a schematic view of the mounting structure of the ceramic insulating plate 9 of the present invention.

Reference numerals:

1. mounting a bottom plate; 2. a breaker body; 3. a guide post; 4. a touch arm; 5. a connecting seat; 6. a plug-in ring; 7. a heat sink; 8. a mounting seat; 9. a ceramic insulating plate; 10. a guide chute; 11. a top plate; 12. a guide slide; 13. a support frame; 14. a limiting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides an outdoor ac high-voltage column vacuum circuit breaker, including mounting plate 1, circuit breaker body 2, guide pillar 3 and contact arm 4, circuit breaker body 2 installs on mounting plate 1 surface, guide pillar 3 equidistance is arranged in circuit breaker body 2 one side, and guide pillar 3 bottom and mounting plate 1 fixed surface link to each other, the contact arm 4 has all integrated into one piece to the guide pillar 3 lateral wall, contact arm 4 is equipped with two sets altogether, and is inlet wire end and outlet wire end respectively; the novel guide post structure is characterized in that mounting seats 8 are arranged between the two groups of guide posts 3, the mounting seats 8 are of L-shaped structures, ceramic insulating plates 9 are movably inserted into inner cavities of the mounting seats 8, top plates 11 are movably mounted at the tops of the ceramic insulating plates 9, and cooling fins 7 are arranged on the surfaces of the guide posts 3.

It should be noted that, be equipped with mount pad 8 between two sets of guide pillars 3, the activity is pegged graft in mount pad 8 and is had ceramic insulation board 9, ceramic insulation board 9 bottom is fixed through fixing bolt with the junction of mount pad 8, thereby can install ceramic insulation board 9 between two sets of adjacent guide pillars 3, separate guide pillar 3 through ceramic insulation board 9, it influences each other in the course of the work to avoid guide pillar 3 to be separated by the distance closely, it is too big to need not to set up the distance between two sets of adjacent guide pillars 3 through setting up ceramic insulation board 9 to separate, reducible vacuum circuit breaker's volume.

As shown in fig. 4, a guide sliding seat 12 is integrally formed on the lower surface of the top plate 11, a guide sliding groove 10 is formed at the top of the ceramic insulating plate 9, the guide sliding groove 10 and the guide sliding seat 12 are both in a convex structure, and the guide sliding groove 10 is matched with the guide sliding seat 12.

It should be noted that the guide runner 10 and the guide carriage 12 are plugged into each other to enable quick installation of the top plate 11.

As shown in fig. 1, the bottom of the side wall of the mounting seat 8 is connected with a fixing bolt through a thread, the fixing bolt penetrates through the ceramic insulating plate 9, the surface of the top plate 11 is connected with a locking bolt through a thread, and the locking bolt penetrates through the guide sliding seat 12.

The ceramic insulating plate 9 is fixed by a fixing bolt, and the top plate 11 is fixed by a fastening bolt.

As shown in fig. 2 and 3, the end portions of the contact arms 4 are provided with connecting seats 5, the surfaces of the connecting seats 5 are provided with mounting through holes in a penetrating manner, the outer side of each connecting seat 5 is sleeved with an insertion ring 6, and the end portions of the insertion rings 6 are connected with the contact arms 4.

It should be noted that the wire is connected with the installation through hole of the connecting seat 5, the connection position of the wire and the connecting seat 5 is located in the inserting ring 6, the connection position can be covered by the inserting ring 6, the inserting ring 6 is made of insulating materials, electric shock accidents at the connection position of the wire and the connecting seat 5 can be avoided during operation, and the safety during use can be improved.

As shown in fig. 3, the side wall of the breaker body 2 is provided with a support frame 13 corresponding to the guide pillar 3, the tops of the guide pillars 3 are provided with limit posts 14, and the tops of the limit posts 14 are inserted into the ends of the support frame 13.

It should be noted that the top of the guide post 3 is connected with the end of the supporting frame 13 through the limiting post 14 in an inserting manner, the joint is fixed through a bolt, and the top of the guide post 3 is fixed through the supporting frame 13, so that the guide wire is prevented from applying a certain pulling force to the guide post 3, and the guide post 3 is prevented from being damaged due to a large pulling force.

The utility model discloses a theory of operation and use flow: the guide post 3 is connected with the guide through the connecting seat 5 at the end part of the contact arm 4, two groups of contact arms 4 are arranged, namely an incoming wire connecting end and an outgoing wire connecting end respectively, the incoming wire connecting end and the outgoing wire connecting end are interchangeable, the connecting part of the lead and the connecting seat 5 is positioned in the inserting ring 6, the connecting part can be covered left and right through the inserting ring 6, the inserting ring 6 is made of insulating materials, electric shock accidents at the connecting part of the lead and the connecting seat 5 in the operation process can be avoided, the safety in use can be improved, the radiating fins 7 are arranged on the surface of the guide post 3, the heat release of the guide post 3 can be accelerated through the radiating fins 7, the radiating effect on the guide post 3 is improved, the top part of the guide post 3 is connected with the end part of the supporting frame 13 in an inserting mode through the limiting post 14, the connecting part is fixed through a bolt, the top part of the guide post 3 is fixed through the supporting frame 13, and certain tensile force applied to the guide post 3 by the lead can be avoided, the guide posts 3 are damaged due to large pulling force, the mounting seat 8 is arranged between the two groups of guide posts 3, the ceramic insulating plate 9 is movably inserted in the mounting seat 8, the joint of the bottom of the ceramic insulating plate 9 and the mounting seat 8 is fixed through a fixing bolt, so that the ceramic insulating plate 9 can be installed between the two adjacent groups of guide posts 3, the guide posts 3 are separated through the ceramic insulating plate 9, the mutual influence of the guide posts 3 in the working process when the distance between the guide posts is short is avoided, the space between the two adjacent groups of guide posts 3 is not required to be excessively large through the separation of the ceramic insulating plate 9, the size of the vacuum circuit breaker can be reduced, the top of the top plate 11 is connected with the guide sliding chute 10 in a sliding mode through the guide sliding seat 12 and is locked through the locking bolt, the top plate 11 can cover the guide posts 3, and electric shock accidents caused by rainwater dropping on the guide posts 3 are avoided, the safety in use can be improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention should be considered within the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An outdoor alternating-current high-voltage column vacuum circuit breaker comprises an installation base plate (1), a circuit breaker body (2), guide pillars (3) and contact arms (4), wherein the circuit breaker body (2) is installed on the surface of the installation base plate (1), the guide pillars (3) are arranged on one side of the circuit breaker body (2) at equal intervals, the bottoms of the guide pillars (3) are fixedly connected with the surface of the installation base plate (1), the contact arms (4) are integrally formed on the side walls of the guide pillars (3), and the contact arms (4) are provided with two groups in total and are respectively an incoming line end and an outgoing line end; the novel guide post structure is characterized in that a mounting seat (8) is arranged between two groups of guide posts (3), the mounting seat (8) is of an L-shaped structure, a ceramic insulating plate (9) is movably inserted into an inner cavity of the mounting seat (8), a top plate (11) is movably mounted at the top of the ceramic insulating plate (9), and cooling fins (7) are arranged on the surfaces of the guide posts (3).

2. An outdoor AC high-voltage column vacuum circuit breaker according to claim 1, characterized in that a guide sliding seat (12) is integrally formed on the lower surface of the top plate (11), and a guide sliding groove (10) is formed on the top of the ceramic insulating plate (9).

3. An outdoor ac high-voltage column vacuum circuit breaker according to claim 2, wherein the guide chute (10) and the guide slide (12) are both in a convex structure, and the guide chute (10) is adapted to the guide slide (12).

4. An outdoor AC high-voltage column vacuum circuit breaker according to claim 1, characterized in that the bottom of the side wall of the mounting seat (8) is connected with a fixing bolt by screw thread, and the fixing bolt penetrates through the ceramic insulating plate (9).

5. An outdoor ac high-voltage column vacuum circuit breaker according to claim 4, characterized in that the surface of the top plate (11) is threaded through with a locking bolt, and the locking bolt penetrates through the guiding slide (12).

6. An outdoor AC high-voltage column vacuum circuit breaker according to claim 1, characterized in that the end of the contact arm (4) is provided with a connecting seat (5), a mounting through hole is formed on the surface of the connecting seat (5), an inserting ring (6) is sleeved outside the connecting seat (5), and the end of the inserting ring (6) is connected with the contact arm (4).

7. An outdoor AC high-voltage column-mounted vacuum circuit breaker according to claim 1, characterized in that the side wall of the breaker body (2) is provided with a support frame (13) corresponding to the guide column (3), the tops of the guide columns (3) are provided with limit columns (14), and the tops of the limit columns (14) are inserted into the ends of the support frame (13).