CN214123772U

CN214123772U - 10kV1250A load switch

Info

Publication number: CN214123772U
Application number: CN202023338083.5U
Authority: CN
Inventors: 柴长青; 胡志坚; 葛鹏程; 牟凯; 孙玉成; 山秀峰
Original assignee: Shandong Sheng'antai Equipment Manufacturing Co ltd
Current assignee: Shandong Sheng'antai Equipment Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a 10KV1250A load switch, including switch crossbeam, first panel and second panel, the lower extreme of switch crossbeam is installed the stationary contact seat, install three static contact on the stationary contact seat, and the side of every static contact is installed two insulators, all is provided with the insulation board between two adjacent insulators, the insulation board is installed on the stationary contact seat; the first panel and the second panel are vertically installed at two ends of the switch beam, the movable contact seat is installed between the first panel and the second panel, the side face of the movable contact seat is connected with the grounding contact connecting plate through the connecting rod, and six grounding contacts are installed on one side, close to the movable contact seat, of the grounding contact connecting plate. This sample utility model discloses a set up the insulation board and replace increasing distance between the adjacent electrode to replace the base of elongated slot shape through platelike ground contact connecting plate, thereby reduce the holistic volume of load switch.

Description

10kV1250A load switch

Technical Field

The utility model relates to a distribution equipment technical field, concretely relates to 10KV1250A load switch.

Background

At present, the sulfur fluoride insulated load switch has the characteristics of long electric service life, strong breaking force, three working positions, small current breaking, strong capability of resisting harsh environmental conditions and the like, is deeply favored by wide users, and is widely applied to urban and rural power distribution networks. In order to increase the current-carrying capacity of the sulfur fluoride insulation load switch and expand the application occasions of the sulfur fluoride insulation load switch, some sulfur fluoride insulation switches adopt a mode of increasing a moving contact, a fixed contact, a grounding contact and corresponding structures, but the size of the sulfur fluoride insulation load switch is correspondingly increased along with the increase of the moving contact, the arc extinguishing grid and other structures; moreover, the existing T-shaped grounding contact needs to be mounted on a long-groove-shaped base, and the long-groove-shaped base can further increase the space occupied by the sulfur fluoride insulation load switch, thereby affecting the mounting of other devices in the switch cabinet.

Disclosure of Invention

The utility model aims to provide a 10KV1250A load switch has been proposed and designed to the too big defect of sulphur fluoride insulation load switch volume that contains six sets of contacts among the prior art, under the condition that satisfies load switch's current-carrying capacity requirement, reduces load switch's volume.

In order to achieve the above object, the present invention provides the following technical solutions: a10 KV1250A load switch comprises a switch beam, a first panel and a second panel, wherein a static contact seat is installed at the lower end of the switch beam, three static contacts are installed on the static contact seat, two insulators are installed on the side surface of each static contact, an insulating plate is arranged between every two adjacent insulators, and the insulating plate is installed on the static contact seat; the switch comprises a switch beam, a first panel, a second panel, a grounding contact connecting plate, a movable contact seat, a connecting rod and a grounding contact, wherein the first panel and the second panel are vertically arranged at two ends of the switch beam, the movable contact seat is arranged between the first panel and the second panel, the side surface of the movable contact seat is connected with the grounding contact connecting plate through the connecting rod, six grounding contacts are arranged on one side, close to the movable contact seat, of the grounding contact connecting plate, the grounding contacts are hook-shaped grounding contacts, and the opening direction of the hooks of the grounding contacts is downward. Therefore, the requirement of the electrical performance of the load switch can be met by arranging the insulating plate, and the distance between the adjacent electrodes does not need to be additionally increased, so that the purpose of reducing the whole volume of the load switch is achieved. And the plate-shaped grounding contact connecting plate is adopted to replace a long groove-shaped base, so that the volume of the grounding contact mounting structure can be reduced, and the moving contact can be prevented from contacting with the grounding contact base to generate potential safety hazards.

The utility model discloses a further improvement still is provided with the pivot between first panel and second panel, be provided with six drive assembly in the pivot, every drive assembly all with a moving contact fixed connection, every moving contact cooperatees with a ground contact, and every two adjacent moving contacts cooperate with a static contact, the tip of moving contact all rotates with the moving contact seat to be connected. The current-carrying capacity of the whole load switch can be increased through the additional movable contact and the grounding contact.

The utility model is further improved in that three groups of mounting holes I are arranged on the switch beam, each group of mounting holes I comprises at least two mounting holes I, and each group of mounting holes I corresponds to one static contact; six groups of mounting holes II are formed in the grounding contact connecting plate, and each group of mounting holes II corresponds to one grounding contact; each group of mounting holes II comprises at least two rows of mounting holes II, and each ground contact is mounted on the ground contact connecting plate through one row of mounting holes II. Therefore, after the load switch is installed and deformed, the position of the grounding contact is changed by changing the second installation hole matched with the grounding contact, and the position of the static contact is changed by changing the first installation hole connected with the static contact, so that the static contact and the grounding contact can be in better contact with the movable contact, and the debugging of the load switch is facilitated.

The utility model discloses a further improvement still, mounting hole one and mounting hole two are the slotted hole. The fine adjustment of the positions of the static contact and the grounding contact is convenient to carry out.

The utility model discloses a further improvement still, all install the arc extinguishing bars on the insulator, the thickness of arc extinguishing bars is less than the length of insulation board, the width that highly is less than the insulation board of arc extinguishing bars. Each arc extinguishing grid corresponds to one moving contact, and arc extinguishing treatment is carried out on the electric arc between the moving contact and the fixed contact.

The utility model is further improved in that three incoming line busbars are arranged on the static contact seat, and each incoming line busbar corresponds to one static contact; the movable contact seat is provided with three outgoing line busbars, each outgoing line busbar corresponds to two adjacent movable contacts, so that the two movable contacts can be controlled by one outgoing line busbar, and the two fixed contacts can be controlled by one incoming line busbar, so that the structure of the load switch is simplified.

The utility model discloses a further improvement still, female the female size of arranging of being qualified for the next round of competitions female arranging and inlet wire is 80mm 8mm, enlarges the female size of arranging and the female row of inlet wire of being qualified for the next round of competitions, makes female arranging of being qualified for the next round of competitions or the female arranging of inlet wire can be corresponding with two moving contacts or static contact simultaneously.

The utility model has the advantages that the utility model increases the number of the moving contact, the static contact, the grounding contact and the corresponding structure, and on the basis of enlarging the current-carrying capacity of the load switch, the insulating plate is arranged between the adjacent arc-extinguishing grids to meet the requirement of the electrical performance of the load switch, and the distance between the adjacent electrodes does not need to be additionally increased; additionally, the utility model discloses still through the ground contact connecting plate that adopts hook-shaped ground contact and platelike, reduced the volume of ground contact and ground contact connecting plate to make whole load switch's volume reduce.

Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the present invention with the first panel removed.

Fig. 3 is a left side view of the present invention.

In the figure, the contact device comprises a mounting hole II, a mounting hole 2, a connecting rod 3, a movable contact seat 4, a wire outlet bus bar 5, a first panel 6, a switch beam 7, a mounting hole I, a mounting hole 8, an arc extinguishing bar 9, a second panel 10, a movable contact 11, a grounding contact 12, a grounding contact connecting plate 13, a wire inlet bus bar 14, a static contact seat 15, a driving assembly 16, an insulator 17, a rotating shaft 18, a static contact 19 and an insulating plate.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

The following explains key terms appearing in the present invention.

As shown in the figure, the utility model relates to a 10kV1250A load switch, including switch crossbeam 6, be provided with three mounting holes of group 7 on the switch crossbeam 6, every mounting hole of group 7 all includes two at least mounting holes 7, and the preferred slotted hole of mounting hole 7. A static contact seat 14 is arranged below the switch beam 6, three incoming line busbars 13 are further arranged below the static contact seat 14, and the specification of each incoming line busbar 13 is preferably 80mm multiplied by 8 mm. A fixed contact 18 is arranged below each incoming busbar 13, the fixed contact 18 is n-shaped, and each fixed contact 18 corresponds to one group of mounting holes I7. Insulators 16 are further mounted on one side of the fixed contacts 18, wherein two insulators 16 are disposed on each fixed contact 18, and arc extinguishing grids 8 are mounted on the insulators 16. An insulating plate 19 is further arranged between two adjacent insulators 16, one end of the insulating plate 19 is fixedly mounted on the stationary contact block 14, the length of the insulating plate 19 is larger than the thickness of the arc chute 8, and the width of the insulating plate 19 is larger than the height of the arc chute 8.

The two ends of the switch beam 6 are also respectively and vertically provided with a first panel 5 and a second panel 9, and the first panel 5 and the second panel 9 are arranged in parallel. The middle part of the first panel 5 and the middle part of the second panel 9 are connected together through a rotating shaft 17, and the rotating shaft 17 is further arranged below a fixed contact 18. Six driving components 15 are arranged on the rotating shaft 17, each driving component 15 is fixedly connected with one movable contact 10, every two adjacent driving components 15 and each movable contact 10 form a group, the groups are divided into three groups, and each group of driving components 15 and each group of movable contacts 10 correspond to one fixed contact 18. The end part of the movable contact 10 is rotatably connected with the movable contact seat 3, and two ends of the movable contact seat 3 are respectively and fixedly connected with the lower part of the first panel 5 and the lower part of the second panel 9. The movable contact seat 3 is also provided with three outgoing line busbars 4, and one outgoing line busbar 4 corresponds to one group of driving assemblies 15. The specification of the single outgoing line busbar 4 is preferably 80mm multiplied by 8 mm. The side surface of the movable contact seat 3 is also connected with a grounding contact connecting plate 12 through a connecting rod 2, six groups of mounting holes II 1 are arranged on the grounding contact connecting plate 12, the positions of the six groups of mounting holes II 1 correspond to the positions of six movable contacts 10 respectively, and one grounding contact 11 is arranged on each group of mounting holes II 1. Each group of mounting holes II 1 comprises at least two rows of mounting holes II 1, preferably two mounting holes II 1 are arranged in each row, and preferably long round holes are arranged in the mounting holes II 1; the ground contacts 11 are preferably hook-shaped ground contacts, the opening direction of the hooks of the ground contacts 11 is downward, the vertical connecting parts of the ground contacts 11 are arranged on one side of the ground contact connecting plate 12 close to the movable contact block 3, and each ground contact 11 is connected with two mounting holes II 1 in the same column in each group of mounting holes II 1.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The 10KV1250A load switch is characterized by comprising a switch beam (6), a first panel (5) and a second panel (9), wherein a static contact seat (14) is installed at the lower end of the switch beam (6), three static contacts (18) are installed on the static contact seat (14), two insulators (16) are installed on the side surface of each static contact (18), an insulating plate (19) is arranged between every two adjacent insulators (16), and the insulating plates (19) are installed on the static contact seat (14); first panel (5) and second panel (9) are installed perpendicularly at the both ends of switch crossbeam (6), and installation moves contact seat (3) between first panel (5) and second panel (9), the side that moves contact seat (3) is passed through connecting rod (2) and is connected with ground contact connecting plate (12), ground contact connecting plate (12) are close to the side-mounting that moves contact seat (3) and have six ground contact (11), ground contact (11) are crotch shape ground contact, the crotch opening direction of ground contact (11) is downward.

2. The 10KV1250A load switch of claim 1, wherein a rotating shaft (17) is further disposed between the first panel (5) and the second panel (9), the rotating shaft (17) is provided with six driving assemblies (15), each driving assembly (15) is fixedly connected with one movable contact (10), each movable contact (10) corresponds to one grounding contact (11), each two adjacent movable contacts (10) are matched with one static contact (18), and the ends of the movable contacts (10) are rotatably connected with the movable contact base (3).

3. The 10KV1250A load switch of claim 1, wherein the switch beam (6) is provided with three groups of first mounting holes (7), each group of first mounting holes (7) comprises at least two first mounting holes (7), and each group of first mounting holes corresponds to one static contact (18); six groups of second mounting holes (1) are formed in the grounding contact connecting plate (12), and each group of second mounting holes (1) corresponds to one grounding contact (11); each group of mounting holes II (1) comprises at least two rows of mounting holes II (1), and each ground contact (11) is mounted on the ground contact connecting plate (12) through one row of mounting holes II (1).

4. The 10KV1250A load switch of claim 3, wherein the first mounting hole (7) and the second mounting hole (1) are oblong holes.

5. The 10KV1250A load switch of claim 1, wherein the insulators (16) are all provided with arc chutes (8), the thickness of each arc chute (8) is smaller than the length of the insulating plate (19), and the height of each arc chute (8) is smaller than the width of the insulating plate (19).

6. The 10KV1250A load switch according to claim 1, wherein the stationary contact base (14) is provided with three incoming busbars (13), each incoming busbar (13) corresponds to one stationary contact (18), the movable contact base (3) is provided with three outgoing busbars (4), and each outgoing busbar (4) corresponds to two adjacent movable contacts (10).

7. The 10KV1250A load switch according to claim 6, wherein the outgoing busbar (4) and the incoming busbar (13) have the size of 80mm x 8 mm.