CN211929377U

CN211929377U - Integrated primary and secondary fusion intelligent switch

Info

Publication number: CN211929377U
Application number: CN202020627213.8U
Authority: CN
Inventors: 杨红
Original assignee: Ningxia Lingzhi Technology Co ltd
Current assignee: Ningxia Lingzhi Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-13
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses an integral type one secondary fuses intelligence switch, including switch housing and sealed interlayer, be fixed with the vacuum circuit breaker safety cover through the draw-in groove on the inside wall of switch housing, the card pressure has on the vacuum circuit breaker safety cover sealed interlayer, the intussuseption of sealed interlayer is filled with inert gas, there is the fixed plate through the fix with screw on the outside both sides wall of switch housing, the welding of switch housing bottom has outer fishplate bar, it has the inlet wire terminal to peg graft on one side of the fixed plate. Has the advantages that: the utility model discloses a set up sealed interlayer and inert gas, can be so that the inside vacuum circuit breaker segmentation design of switch, avoid one of them circuit disconnection to influence the normal protection of other circuits, be favorable to the normal use of device, and inert gas can protect the terminal not by the oxidation when the fusing, ensures its logical electric property.

Description

Integrated primary and secondary fusion intelligent switch

Technical Field

The utility model relates to a secondary fuses technical field, concretely relates to integral type secondary fuses intelligence switch.

Background

The primary and secondary fusion is the main loop, the secondary is the primary control, and the primary loop is a loop formed by interconnecting electrical equipment which directly participates in the manufacturing, transmission, transformation and use of electric energy; the secondary circuit refers to a circuit II formed by mutually connecting equipment for protecting, measuring, controlling and metering primary circuit equipment according to a certain logical relationship, and a pole-mounted circuit breaker-secondary fusion classification pole-mounted switch-secondary fusion work in one step is divided into four types according to functional types: sectionalizing/tie load switch packages, sectionalizing/tie circuit breaker packages, demarcation circuit breaker packages, and demarcation load switch packages.

The existing primary and secondary fusion switch has the advantages that in the use process, all lines are concentrated in the vacuum circuit breaker protector, the vacuum balance inside the vacuum circuit breaker is damaged when one line is short-circuited, the operation of other lines can be influenced, and the use stability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, now provide integral type one secondary and fuse intelligent switch, solve current one secondary and fuse the switch in the use, its circuit is whole to be concentrated in the vacuum circuit breaker protector, and the inside vacuum balance of vacuum circuit breaker receives destruction when a circuit short circuit, also can influence the operation of other circuits, has reduced the problem of the stability in use of device.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an integral type one secondary fuses intelligence switch, including switch housing and sealed interlayer, be fixed with the vacuum circuit breaker safety cover through the draw-in groove on the inside wall of switch housing, the card pressure has on the vacuum circuit breaker safety cover sealed interlayer, the intussuseption of sealed interlayer is filled with inert gas, there is the fixed plate through the fix with screw on the outside both sides wall of switch housing, the welding of switch housing bottom has outer fishplate bar, it has the inlet wire terminal to peg graft on one side of the fixed plate.

Through adopting above-mentioned technical scheme, inert gas sets up to the helium mostly, the leakproofness of sealed interlayer is comparatively stable, outer fishplate bar is with the unsettled installation of device, avoids other equipment influences.

Furthermore, a wire outlet binding post is inserted into the other side of the fixing plate, and the wire inlet binding post and the wire outlet binding post are both wrapped with insulating ceramic.

Furthermore, one end of the outgoing line binding post is electrically connected with an electrical sensor in the switch shell, and a nameplate is welded on the other side wall outside the switch shell.

Through adopting above-mentioned technical scheme, the inside information that is voltage sensor and the original feedback circuit of current sensor of electrical property sensor, the data plate is used for indicating device's work rated value.

Furthermore, a control shell is fixed on one side wall of the switch shell, which is opposite to the nameplate, through bolts, and a manual deflector rod is rotatably connected to the control shell.

By adopting the technical scheme, the manual deflector rod is used for manually starting the device.

Furthermore, one end of the manual driving lever penetrates through the inner wall of the device control shell to be inserted with a circuit control unit, and the circuit control unit is connected with the vacuum circuit-breaking protection cover through a lead.

By adopting the technical scheme, the circuit control unit controls the on-off of the circuit through the feedback data of the electric sensor.

Furthermore, a fusing protection core is welded between the incoming wiring terminal and the outgoing wiring terminal.

By adopting the technical scheme, the fusing protection core is used for breaking a connecting circuit and protecting the safety of a circuit when a switch is short-circuited.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving current one secondary and amalgamation switch in the use, its circuit is whole to be concentrated on in the vacuum circuit breaker protector, and the inside vacuum balance of vacuum circuit breaker receives destruction when a circuit short circuit, also can influence the operation of other circuits, has reduced the stability in use's of device problem, the utility model discloses a set up sealed interlayer and inert gas, can make the inside vacuum circuit breaker segmentation design of switch, avoid one of them circuit disconnection to influence the normal protection of other circuits, be favorable to the normal use of device, and inert gas can protect the terminal not by the oxidation when the fusing, ensures its circular telegram nature.

Drawings

Fig. 1 is a schematic structural diagram of the integrated primary-secondary fusion intelligent switch of the present invention;

fig. 2 is a schematic structural view of a control housing and a manual shift lever in the integrated primary-secondary fusion intelligent switch according to the present invention;

fig. 3 is a section view of bowing of switch casing among integral type primary and secondary fusion intelligence switch.

The reference numerals are explained below:

1. a switch housing; 2. an insulating ceramic; 3. an incoming wiring terminal; 4. a fixing plate; 5. a nameplate; 6. an outer connecting plate; 7. a control housing; 8. a vacuum break protective cover; 9. a wiring terminal; 10. an electrical sensor; 11. a manual deflector rod; 12. a circuit control unit; 13. fusing the protective core; 14. sealing the interlayer; 15. an inert gas.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the integrated primary-secondary fusion intelligent switch in this embodiment includes a switch housing 1 and a sealing interlayer 14, a vacuum circuit breaking protection cover 8 is fixed on a wall inside the switch housing 1 through a clamping groove, the sealing interlayer 14 is clamped and pressed on the vacuum circuit breaking protection cover 8, an inert gas 15 is filled in the sealing interlayer 14, fixing plates 4 are fixed on two outer side walls of the switch housing 1 through screws, an incoming line terminal 3 is inserted into one side of each fixing plate 4, an external connection plate 6 is welded at the bottom of the switch housing 1, the external connection plate 6 is installed in a suspended manner, so as to avoid the influence of other devices, the inert gas 15 is mostly set as helium, and the sealing performance of the sealing interlayer 14 is relatively stable.

The other side of the fixed plate 4 is inserted with a wire outlet binding post 9, and the wire inlet binding post 3 and the wire outlet binding post 9 are both wrapped with insulating ceramics 2.

One end of the outgoing line binding post 9 is electrically connected with an electric sensor 10 in the switch shell 1, the other side wall outside the switch shell 1 is welded with a nameplate 5, and the electric sensor 10 is internally provided with information of an original feedback circuit of a voltage sensor and a current sensor.

A control shell 7 is fixed on one side wall of the switch shell 1, which is opposite to the nameplate 5, through bolts, a manual driving lever 11 is connected to the control shell 7 in a rotating mode, and the manual driving lever 11 is used for starting the device manually.

One end of the manual shift lever 11 penetrates through the inner wall of the device control shell 7 to be inserted with a circuit control unit 12, the circuit control unit 12 is connected with the vacuum circuit-breaking protection cover 8 through a lead, and the circuit control unit 12 controls the on-off of a circuit through feedback data of the electric sensor 10.

A fusing protection core 13 is welded between the incoming line wiring terminal 3 and the outgoing line wiring terminal 9, and the fusing protection core 13 is used for breaking a connecting circuit and protecting the safety of a circuit when a switch is short-circuited.

The specific implementation process of this embodiment is as follows: firstly, the device is fixed on the structure of a high-voltage line through an external connecting plate 6, then an incoming line is communicated with an incoming line binding post 3, an outgoing line is communicated with an outgoing line binding post 9, a manual deflector rod 11 is pushed into the working state of the device, the device can be normally used, under normal conditions, a vacuum circuit breaking protective cover 8 protects the normal connection of the incoming line and the outgoing line, and a larger electric arc damage device is prevented from being generated when a fusing protective core 13 is fused, the vacuum circuit breaking protective cover 8 is designed in a layered mode, the fusing protective cores 13 of different wiring lines are separated and protected to be in an independent vacuum protective chamber, so that after the fusing protective core 13 is burnt off, the vacuum environment in the current vacuum chamber is only influenced, the vacuum balance of other lines cannot be damaged, the use stability of the device is improved, electric sparks generated when the fusing protective core 13 is fused are extinguished by inert gas 15, and the oxidation of the incoming line binding post 3 and the outgoing line binding post, reducing its conductivity.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. Integral type one secondary fuses intelligence switch, its characterized in that: including switch casing (1) and sealed interlayer (14), be fixed with vacuum circuit break safety cover (8) through the draw-in groove on the inside wall of switch casing (1), the vacuum circuit break safety cover (8) go up the card and press to have sealed interlayer (14), sealed interlayer (14) intussuseption is filled with inert gas (15), there are fixed plate (4) through the fix with screw on switch casing (1) outside both sides wall, the welding of switch casing (1) bottom has outer fishplate bar (6), it has inlet wire terminal (3) to peg graft in fixed plate (4) one side.

2. The integrated one-time and two-time fusion intelligent switch according to claim 1, characterized in that: an outgoing line binding post (9) is inserted into the other side of the fixing plate (4), and the incoming line binding post (3) and the outgoing line binding post (9) are wrapped by insulating ceramics (2).

3. The integrated one-time and two-time fusion intelligent switch according to claim 2, characterized in that: one end of the outgoing line binding post (9) is electrically connected with an electrical sensor (10) in the switch shell (1), and a nameplate (5) is welded on the other side wall outside the switch shell (1).

4. The integrated one-shot and two-shot fusion intelligent switch according to claim 3, wherein: and a control shell (7) is fixed on one side wall of the switch shell (1) opposite to the nameplate (5) through a bolt, and a manual shifting lever (11) is rotatably connected to the control shell (7).

5. The integrated one-shot and two-shot fusion intelligent switch according to claim 4, wherein: one end of the manual shifting lever (11) penetrates through the inner wall of the device control shell (7) and is connected with a circuit control unit (12) in an inserting mode, and the circuit control unit (12) is connected with the vacuum circuit-breaking protection cover (8) through a lead.

6. The integrated one-shot and two-shot fusion intelligent switch of claim 5, wherein: and a fusing protection core (13) is welded between the incoming wiring terminal (3) and the outgoing wiring terminal (9).