CN220325104U

CN220325104U - High-voltage switch cabinet

Info

Publication number: CN220325104U
Application number: CN202321973125.3U
Authority: CN
Inventors: 叶鹏燕; 韩士琴; 王献龙; 朱济繁
Original assignee: Huawei Boao Langfang Power Equipment Co ltd
Current assignee: Huawei Boao Langfang Power Equipment Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-01-09
Anticipated expiration: 2033-07-25

Abstract

The application provides a switch cabinet, in particular to a high-voltage switch cabinet, which comprises a handcart room shell, a cabinet door and a plurality of C-shaped movable contacts, wherein an upper row of jacks and a lower row of jacks are arranged on the rear side wall of a shell in the handcart room shell, a sliding seat is arranged on the inner bottom surface of the shell, the sliding seat is composed of a rectangular plate and two insulating plates, threaded holes are formed in the rectangular plate, and kinetic energy conversion structures are arranged between two sides of the rectangular plate and two sides of the two insulating plates; according to the utility model, through the kinetic energy conversion structure, the horizontal movement of the rectangular plate and the vertical movement of the two insulating plates can be synchronously connected, the rectangular plate drives the three C-shaped movable contacts to move forwards and pull out from the six jacks, and meanwhile, the insulating plates are vertically moved upwards to cover the six jacks, so that an electric arc can be blocked, arc extinction can be performed, the situation that a worker touches a static contact electrified in the jack by mistake is avoided, and the safety of a maintenance worker is ensured.

Description

High-voltage switch cabinet

Technical Field

The disclosure relates to the technical field of high-voltage cabinets, in particular to a high-voltage switch cabinet.

Background

The high-voltage switch cabinet is a complete power distribution device formed by assembling primary equipment and secondary equipment according to a certain line scheme and is used for protecting the line and equipment implementation control in a power system. The main components of the existing 10KV high-voltage switch cabinet are provided with independent compartments, namely: the bus bar comprises a handcart room, a bus bar contact (bus bar room), an outgoing line contact (outgoing line room), a cable room and an instrument room. The handcart room is located in the middle of the front of the switch cabinet, the upper side contact of the bus of the handcart type circuit breaker is inserted into the bus room at the upper end of the rear side of the switch cabinet, and the lower side contact of the bus of the handcart type circuit breaker is inserted into the outlet room at the lower end of the rear side of the switch cabinet, and is used for connecting the bus contact and the outlet contact with each other.

The utility model provides a high tension switchgear of publication number CN208336872U, includes the cabinet body, is provided with the cabinet door on the cabinet body, and the inboard of cabinet door is provided with the latch fitting of handle lock, is provided with the fastener of handle lock on the preceding frame of the cabinet body, and latch fitting and fastener lock can die the cabinet lock on the cabinet body, the inside of the cabinet body is provided with rotatable instrument panel, and the top of the cabinet body is provided with rotatory little bus duct top cap. The door lock is only installed on the door of the high-voltage switch cabinet, the operation is simple, the handle is twisted, the locking piece and the fastener are buckled, the door lock can be opened or closed, the manufacturing cost is low, the door surface paint cannot be damaged, and the door lock is firmly locked.

Although, the rotatable instrument panel is attractive in design, and the instrument panel can be pulled out of the cabinet body during installation and maintenance of components, so that the installation and maintenance of the components are facilitated. However, the voltage of the installation circuit in the high-voltage switch cabinet is too large, so that the electric arc generated by the electric static contact is easily damaged when the electric element or the auxiliary part in the handcart room is maintained and replaced. In view of this, we propose a high voltage switchgear.

Disclosure of Invention

In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide a high voltage switchgear.

In a first aspect, the present application provides a high voltage switchgear comprising:

the handcart room comprises a handcart room shell, wherein a cabinet door is arranged on the handcart room shell, a plurality of C-shaped moving contacts are arranged in the handcart room shell, an upper row of jacks and a lower row of jacks are arranged on the rear side wall of a shell in the handcart room shell, the C-shaped moving contacts can be inserted into the jacks, and a sliding seat is arranged on the inner bottom surface of the shell;

the sliding seat is composed of a rectangular plate and two insulating plates, the rectangular plate is movably arranged on the inner bottom surface of the shell in a back-and-forth mode, and the two insulating plates are vertically and vertically movably arranged on the inner wall of the rear side of the shell in a up-and-down mode;

the rectangular plate is internally provided with a threaded hole, and a kinetic energy conversion structure for converting horizontal force received by the rectangular plate into vertical force of the insulating plate is arranged between two sides of the rectangular plate and two sides of the insulating plate.

According to the technical scheme that this application embodiment provided, the handcart-type outdoor shell comprises the casing, install two guide rails that are parallel to each other on the interior bottom surface of casing, install the threaded rod on the interior bottom surface of casing, the threaded rod head end is equipped with the hexagon hole, be equipped with the tooth's socket that corresponds each other on the left and right sides inner wall of casing.

According to the technical scheme that this application embodiment provided, the interior bottom surface left and right sides of casing all is equipped with relative race, the race with the tooth's socket communicates each other, the tooth's socket is equipped with the spout one of intercommunication each other backward, all install a plurality of on the inner wall about the casing and be the stick that changes of linear arrangement, the below of changeing the stick is equipped with the spacing groove, two the spacing groove is located respectively on the inner wall about the casing.

According to the technical scheme that this application embodiment provided, the rotation of cabinet door install in one side in casing the place ahead, be equipped with on the cabinet door and change the hole, change the hole with the hexagonal hole of threaded rod head end corresponds each other.

According to the technical scheme that this application embodiment provided, the left and right sides of rectangular plate all is equipped with spout two, change the rod and locate in the spout two, be equipped with two spouts three on the bottom surface of rectangular plate, the guide rail is located in the spout three, install L type insulating block on the rectangular plate, a plurality of C type moving contact install in on the L type insulating block.

According to the technical scheme that this application embodiment provided, spacing frame is installed to the top of rectangular plate, the both sides of screw hole head end are equipped with the spring groove, install a plurality of spring in the spring groove, a plurality of the fixed block is installed on the top of spring, L type insulating block is located the fixed block with between the spacing frame, the spring inslot is located to the both sides lower extreme of fixed block, the apron is installed in the spring groove outside, the apron install in on the rectangular plate.

According to the technical scheme that this application embodiment provided, kinetic energy conversion structure comprises intermeshing's gear and rack, the gear install in the wheel groove, the rack install in the tooth's socket, the connecting rod is installed to one side of rack, the connecting rod is located in the spout is one, the connecting rod with the both sides of insulation board are connected.

According to the technical scheme provided by the embodiment of the application, the lower ends of two sides of the rectangular plate are connected with the linear saw teeth, and the linear saw teeth are meshed with the gears.

To sum up, this technical scheme specifically discloses a high tension switchgear, through kinetic energy conversion structure, can be with the horizontal direction removal of rectangular plate and the vertical direction removal synchronization connection of two insulation boards, when driving three C type moving contact with the rectangular plate and pull out from six jacks in the forward movement, with the vertical upward movement of individual insulation board, cover six jacks, can block electric arc, carry out the arc extinction, avoided the staff mistake to touch the live static contact in the jack, guaranteed maintenance staff's safety.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic cut-away view of the present utility model.

Fig. 3 is a schematic view of a handcart room housing of the present utility model partially cut away.

Fig. 4 is a schematic diagram of a sliding seat according to the present utility model.

In the figure: 1. a hand compartment housing; 10. a housing; 11. tooth slots; 12. a first chute; 13. a rotary stick; 14. a limit groove; 15. a jack; 16. a threaded rod; 17. a guide rail; 18. wheel grooves; 19. a hexagonal inner bore; 2. a cabinet door; 3. a turning hole; 4. a slide; 40. a rectangular plate; 41. a limit frame; 42. a gear; 43. a rack; 44. a connecting rod; 45. an insulating plate; 46. a slide block; 47. a second chute; 48. linear saw teeth; 49. a spring; 5. an L-shaped insulating block; 6. c-type movable contact.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1 to 4, a high voltage switch cabinet includes a housing 1 of a handcart room, the housing 1 of the handcart room is formed by a housing 10, a cabinet door 2 is rotatably installed on one side in front of the housing 10, a corresponding lock pin door lock is fixedly installed between the other side of the cabinet door 2 and the other side in front of the housing 10, the cabinet door 2 is fixedly installed on the front side of the housing 10, three jacks 15 are arranged on the rear side wall of the housing 10 in an upper row and a lower row, static contacts in a bus room at the upper end of the rear side of the switch cabinet are fixedly installed in the three jacks 15 in the upper row, and static contacts in an outlet room at the lower end of the rear side of the switch cabinet are fixedly installed in the three jacks 15 in the lower row.

In this embodiment, two parallel guide rails 17 are fixedly installed on the inner bottom surface of the casing 10, a threaded rod 16 is rotatably installed on the inner bottom surface of the casing 10, the guide rails 17 and the threaded rod 16 are parallel to each other, a hexagonal inner hole 19 is formed in the head end of the threaded rod 16, a rotary hole 3 is formed in the cabinet door 2, the rotary hole 3 and the hexagonal inner hole 19 formed in the head end of the threaded rod 16 correspond to each other, tooth grooves 11 corresponding to each other are formed in the inner walls of the left side and the right side of the casing 10, opposite wheel grooves 18 are formed in the left side and the right side of the inner bottom surface of the casing 10, the wheel grooves 18 are communicated with the tooth grooves 11, a first chute 12 which is communicated with each other is backwards arranged in the tooth grooves 11, a plurality of rotary rods 13 which are in linear arrangement are rotatably installed on the left inner wall and the right inner wall of the casing 10, limit grooves 14 are formed in the lower portion of the rotary rods 13, and the two limit grooves 14 are formed in the left inner wall and the right inner wall of the casing 10 respectively.

In this embodiment, the sliding seat 4 is mounted on the inner bottom surface of the housing 10, the sliding seat 4 is formed by a rectangular plate 40 and two insulating plates 45, the front-back length of the rectangular plate 40 is smaller than the front-back horizontal length of the housing 10, the rectangular plate 40 is mounted on the inner bottom surface of the housing 10 in a front-back moving contact manner, the two insulating plates 45 are mounted on the inner wall of the rear side of the housing 10 in a vertically up-down moving contact manner, threaded holes are formed in the rectangular plate 40, two sliding grooves 47 are formed in the left side and the right side of the rectangular plate 40, a plurality of rotary rods 13 are mounted in the sliding grooves 47 in a rolling manner, two sliding grooves three are formed in the bottom surface of the rectangular plate 40, the guide rail 17 slides in the sliding grooves three, an L-shaped insulating block 5 is placed on the rectangular plate 40 in a contact manner, three C-shaped moving contacts 6 are fixedly mounted on the L-shaped insulating block 5, the upper ends of the C-shaped moving contacts 6 and the jacks 15 above are in the same horizontal line, the lower ends of the C-shaped moving contacts 6 and the jacks 15 below are in the same horizontal line, and when the C-shaped moving contacts 6 are inserted into the upper jack 15 and the lower jack 47, the two moving contacts 6 can connect two bus bar chambers and the static contacts with each other.

In this embodiment, the limiting frame 41 is installed above the rectangular plate 40, the spring grooves are provided on two sides of the head end of the threaded hole, a plurality of springs 49 are fixedly installed in the spring grooves, the top ends of the plurality of springs 49 are fixedly provided with fixing blocks, four side outer walls of the lower end of the L-shaped insulating block 5 are respectively in contact with the fixing blocks and the inner wall of the limiting frame 41, the lower ends of the two sides of the fixing blocks are vertically and vertically installed in the spring grooves, the cover plate is installed on the outer side of the spring grooves, the cover plate is fixedly installed on the rectangular plate 40, when the electric element or other auxiliary parts such as the sliding seat 4 in the handcart room are replaced and maintained, the L-shaped insulating block 5 and three C-shaped moving contacts 6 on the L-shaped insulating block need to be taken out, the fixing blocks are pressed downwards, the fixing blocks are lower than the lowest end of the L-shaped insulating block 5, then the L-shaped insulating block 5 and the three C-shaped moving contacts 6 are pulled outwards, after the replacement and maintenance is completed, the L-shaped insulating block 5 is placed in the limiting frame 41 on the plate 40, the fixing blocks are pressed downwards, the L-shaped insulating block 5 is pushed downwards, and the L-shaped insulating block 5 is pushed downwards until the L-shaped insulating block 5 is pushed upwards, and the L-shaped insulating block 5 is not pushed upwards, and the L-shaped insulating block 5 is pushed upwards, and the insulating block is pushed upwards, and the L-shaped insulating block 5 is not pushed upwards, and the insulating block and the upper side, and the insulating block and the left lower than and the insulating block and the left lower left.

In this embodiment, a kinetic energy conversion structure for converting horizontal force received by the rectangular plate 40 into vertical force received by the two insulating plates 45 is installed between two sides of the rectangular plate 40 and two sides of the two insulating plates 45, the kinetic energy conversion structure is composed of a gear 42 and a rack 43 which are meshed with each other, the gear 42 is rotatably installed in the wheel groove 18, the rack 43 is vertically and vertically movably installed in the tooth groove 11, a connecting rod 44 is fixedly installed on one side of the rack 43, the connecting rod 44 is vertically and vertically movably installed in the first chute 12, the connecting rod 44 is fixedly connected with two sides of the insulating plates 45, the lower ends of two sides of the rectangular plate 40 are fixedly connected with linear saw teeth 48, and the linear saw teeth 48 and the gear 42 are meshed with each other.

It should be noted that, when the threaded rod 16 needs to be rotated, a hexagonal column is fixedly installed at the output end of the brushless electric wrench through a coupling, the hexagonal column is matched with the inner wall of the hexagonal inner hole 19, when three C-shaped moving contacts 6 are pulled out of the six jacks 15, the hexagonal column installed at the output end of the brushless electric wrench passes through the rotating hole 3 and is inserted into the hexagonal inner hole 19, the brushless electric wrench is started positively, the hexagonal column and the threaded rod 16 are driven to rotate anticlockwise, the threaded rod 16 which rotates anticlockwise drives the rectangular plate 40 in threaded connection to move forwards, the moving rectangular plate 40 drives the L-shaped insulating block 5 and the three C-shaped moving contacts 6 at the upper side to be pulled out of the six jacks 15, the linear saw teeth 48 drive the intermeshing gears 42 to rotate anticlockwise, the anticlockwise rotating gears 42 drive the intermeshing gears 43 to move upwards, the two insulating plates 45 to move upwards vertically through the connecting rods 44, and the anticlockwise rotating rectangular plate 40 drives the rectangular plate 40 to move forwards, and the upper side L-shaped insulating block 5 and the three C-shaped moving contacts 6 to be pulled out of the six jacks 15, so that the situation that the electrified rack contacts 15 are covered by workers are avoided.

In this embodiment, when the high-voltage switch cabinet is maintained and installed, three C-shaped moving contacts 6 need to be pulled out from six jacks 15 by moving the three C-shaped moving contacts 6 forward for disconnection, and the static contacts in the bus bar chamber and the outlet chamber are disconnected from each other to disconnect the circuit, so as to ensure the maintenance safety of maintenance staff. When the three C-shaped movable contacts 6 are moved forwards to disconnect a circuit between the busbar chamber and the outgoing line chamber, the cabinet door 2 cannot be opened from the front side of the shell 10, so that short circuit and electric arc rushing out of a person can be prevented when the static contact and the C-shaped movable contacts 6 are disconnected, a hexagonal column arranged at the output end of the brushless electric wrench passes through the rotating hole 3 and is inserted into the hexagonal inner hole 19, the brushless electric wrench is started forwards, the hexagonal column and the threaded rod 16 are driven to rotate anticlockwise, the threaded rod 16 which rotates anticlockwise can drive the rectangular plate 40 in threaded connection to move forwards, the moving rectangular plate 40 can drive the L-shaped insulating block 5 on the upper side and the three C-shaped movable contacts 6 to be pulled out of the six jacks 15, the rotating speed of the brushless electric wrench is more stable and rapid than that of a traditional manual rotating crank (hand wheel), the C-shaped movable contacts 6 can be accelerated to be far away from the static contact, the electric arc generated between the C-shaped movable contacts 6 is prevented from being prolonged too long, the high temperature is continuously generated, the rectangular plate 40 is driven to move anticlockwise, the anticlockwise can drive the toothed gear 42 which is meshed with the toothed gear 42 to rotate anticlockwise, the toothed rack 43 is driven to rotate anticlockwise, the two toothed racks 43 can be driven to move upwards, and the person can be prevented from being meshed with the connecting rods 43, and the person can be kept in a safe and move to rotate, and the jack 43 is protected upwards, and the person can be protected;

further, if when the electric components in the cabin of the car or other auxiliary components such as the sliding seat 4 are replaced and maintained, when the rectangular plate 40 moves to the forefront side and the two insulating plates 45 vertically move up and down to cover the six jacks 15, the cabinet door 2 is opened from the front side of the shell 10, then the fixing block is pressed down, the fixing block is lower than the lowest end of the L-shaped insulating block 5, then the L-shaped insulating block 5 can be pulled outwards, the L-shaped insulating block 5 and the three C-shaped movable contacts 6 are taken out, after replacement and maintenance are completed, the L-shaped insulating block 5 is placed in the limiting frame 41 on the rectangular plate 40, the fixing block is pressed down, the L-shaped insulating block 5 is pushed to move horizontally backwards until the upper side of the L-shaped insulating block 5 exceeds the fixing block, and the spring 49 can push the fixing block upwards to prop against the rear side wall of the L-shaped insulating block 5 under the condition that the fixing block is not pressed down, so that the L-shaped insulating block 5 can be stably mounted on the rectangular plate 40.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. A high voltage switchgear comprising:

the handcart room comprises a handcart room housing (1), wherein a cabinet door (2) is arranged on the handcart room housing, a plurality of C-shaped movable contacts (6) are arranged in the handcart room housing, two rows of upper and lower jacks (15) are arranged on the rear side wall of a shell (10) in the handcart room housing (1), the C-shaped movable contacts (6) can be inserted into the jacks (15), and a sliding seat (4) is arranged on the inner bottom surface of the shell (10);

the sliding seat (4) is composed of a rectangular plate (40) and two insulating plates (45), the rectangular plate (40) is arranged on the inner bottom surface of the shell (10) in a back-and-forth moving mode, and the two insulating plates (45) are arranged on the inner wall of the rear side of the shell (10) in a vertical up-and-down moving mode;

screw holes are formed in the rectangular plate (40), and a kinetic energy conversion structure for converting horizontal force received by the rectangular plate (40) into vertical force received by the insulating plate (45) is arranged between two sides of the rectangular plate (40) and two sides of the insulating plate (45).

2. The high-voltage switch cabinet according to claim 1, wherein the handcart room housing (1) is composed of a casing (10), two mutually parallel guide rails (17) are installed on the inner bottom surface of the casing (10), a threaded rod (16) is installed on the inner bottom surface of the casing (10), a hexagonal inner hole (19) is formed in the head end of the threaded rod (16), and tooth grooves (11) corresponding to each other are formed in the inner walls of the left side and the right side of the casing (10).

3. The high-voltage switch cabinet according to claim 2, wherein opposite wheel grooves (18) are formed in the left side and the right side of the inner bottom surface of the shell (10), the wheel grooves (18) are communicated with the tooth grooves (11), the tooth grooves (11) are provided with mutually communicated first sliding grooves (12) in the backward direction, a plurality of rotary rods (13) which are in linear arrangement are arranged on the left inner wall and the right inner wall of the shell (10), limiting grooves (14) are formed in the lower portion of the rotary rods (13), and the two limiting grooves (14) are respectively formed in the left inner wall and the right inner wall of the shell (10).

4. A high-voltage switch cabinet according to claim 3, characterized in that the rotation of the cabinet door (2) is mounted on one side in front of the casing (10), the cabinet door (2) is provided with a rotation hole (3), and the rotation hole (3) and the hexagonal inner hole (19) at the head end of the threaded rod (16) correspond to each other.

5. A high-voltage switch cabinet according to claim 3, characterized in that two sliding grooves (47) are formed in the left side and the right side of the rectangular plate (40), the rotary rod (13) is arranged in the two sliding grooves (47), two sliding grooves (three) are formed in the bottom surface of the rectangular plate (40), the guide rail (17) is arranged in the three sliding grooves, an L-shaped insulating block (5) is arranged on the rectangular plate (40), and a plurality of C-shaped movable contacts (6) are arranged on the L-shaped insulating block (5).

6. The high-voltage switch cabinet according to claim 5, wherein a limit frame (41) is installed above the rectangular plate (40), spring grooves are formed in two sides of the head end of the threaded hole, a plurality of springs (49) are installed in the spring grooves, fixing blocks are installed at the top ends of the springs (49), the L-shaped insulating blocks (5) are arranged between the fixing blocks and the limit frame (41), the lower ends of two sides of the fixing blocks are arranged in the spring grooves, and cover plates are installed outside the spring grooves and are installed on the rectangular plate (40).

7. A high voltage switchgear according to claim 3, characterized in that the kinetic energy conversion structure is composed of a gear (42) and a rack (43) which are meshed with each other, the gear (42) is installed in the wheel groove (18), the rack (43) is installed in the tooth groove (11), a connecting rod (44) is installed on one side of the rack (43), the connecting rod (44) is arranged in the first sliding groove (12), and the connecting rod (44) is connected with two sides of the insulating plate (45).

8. The high-voltage switch cabinet according to claim 7, wherein the lower ends of both sides of the rectangular plate (40) are connected with linear saw teeth (48), and the linear saw teeth (48) and the gear (42) are meshed with each other.