CN217444279U

CN217444279U - Compact digital grounding switch

Info

Publication number: CN217444279U
Application number: CN202220655527.8U
Authority: CN
Inventors: 王春军
Original assignee: Ferranti Electric Shanghai Co ltd
Current assignee: Ferranti Electric Shanghai Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-09-16
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a digital earthing switch of compact, including earthing switch, earthing switch includes the ground connection moving contact and installs the contact spring on the ground connection moving contact, the ground connection moving contact branch is equipped with a plurality of groups and evenly sets up, a plurality of groups ground connection moving contact's lower extreme is connected with the ground connection short-circuit row, one side that the ground connection short-circuit was arranged is the slope form and is provided with the earthing switch base, two sets of drive spring seats are installed to the symmetry on the earthing switch base, be provided with rotation sensor between two sets of drive spring seats, one side of drive spring seat is provided with intelligent terminal, one side at intelligent shaft terminal is provided with motor gear case worm axle, the lower extreme of motor gear case worm axle is provided with the turbine that the cooperation was used. The utility model discloses structure to digital earthing switch has improved, and the design has coupling mechanism, and transmission quality is little, and is fast, and operating angle's control makes the main shaft moment of torsion little, and separating brake power is little to reduce the use and the assembly work load of part, made the production and processing process simplify.

Description

Compact digital grounding switch

Technical Field

The utility model relates to a cubical switchboard technical field specifically is a digital earthing switch of compact.

Background

The air insulation switch cabinet is a switch cabinet which adopts air as an insulation medium, and key elements during grounding switch are used for grounding protection during maintenance, so that the air insulation switch cabinet is popularized in power distribution networks.

However, the conventional earthing switch has the following problems in use: (1) the grounding switch has large size and width, so that the whole switch cabinet has large width; (2) remote operation requires a separate electrically operated mechanism, status indication requires an auxiliary switch to communicate with the electrical signal, requires an operating power supply and other components to cooperate to form an electrical interlock, and is unreliable. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digital earthing switch of compact has solved above-mentioned earthing switch width, electrically-operated difficulty, and auxiliary signal needs the problem of secondary line etc..

In order to achieve the above purpose, the utility model provides a following technical scheme: a compact digital grounding switch comprises a grounding switch, wherein the grounding switch comprises a grounding moving contact and a contact spring arranged on the grounding moving contact, the grounding moving contact is divided into a plurality of groups and is uniformly arranged, the lower end of the grounding moving contact of the groups is connected with a grounding short-circuit bar, one side of the grounding short-circuit bar is obliquely provided with a grounding switch base, two groups of driving spring seats are symmetrically arranged on the grounding switch base, a rotation sensor is arranged between the two groups of driving spring seats, one side of each driving spring seat is provided with an intelligent terminal, one side of the intelligent terminal is provided with a motor gear box worm shaft, the lower end of the motor gear box worm shaft is provided with a turbine which is matched with the driving spring seat, the outer end of each driving spring seat is provided with a spring positioning shaft, the surface of the driving spring seat is sleeved with a driving spring body, and the tail end of the driving spring seat is inserted with a driving shaft, the grounding switch is characterized in that a moving contact support plate is installed at the lower end of the grounding short-circuit bar, a grounding switch main shaft is inserted into the joint of the moving contact support plate and the grounding switch base, a drive plate is arranged on the right side of the moving contact support plate, three groups of voltage sensors are evenly arranged below the drive plate, a grounding static contact is vertically installed at the outer ends of the voltage sensors, and a crank arm operating mechanism is installed at the corner of one side of the grounding switch base.

As a preferred mode of the utility model, crank arm operating device comprises manual operation axle, operation axle crank arm, connector, connecting rod and main shaft crank arm, the manual operation axle is the level form setting and the right-hand member is connected with the connector through operation axle crank arm, the lower extreme of connector is connected with the main shaft crank arm through the connecting rod, the main shaft crank arm is installed in one side of earthing switch main shaft.

As a preferred mode of the utility model, connecting lever operating device installs at moving contact backup pad rear portion and keeps away from the ground connection static contact.

As an optimized mode of the utility model, the grounding static contact adopts round copper bar type and is directly connected with the outgoing line copper bar.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the scheme improves the structure of the digital grounding switch, is provided with the connecting mechanism, has small transmission quality and high speed, controls the operation angle to ensure that the main shaft has small torque and small brake-separating force, reduces the use and assembly workload of parts and simplifies the production and processing process.

Drawings

Fig. 1 is a schematic diagram of an embodiment of a compact digital grounding switch of the present invention;

fig. 2 is a schematic diagram of a manual operating mechanism of an embodiment of a compact digital grounding switch according to the present invention;

fig. 3 is a schematic diagram of a closing position of an embodiment of the compact digital earthing switch according to the present invention;

fig. 4 is the utility model relates to a digital earthing switch embodiment cubical switchboard installation schematic diagram of compact.

In the figure, 1, a grounding moving contact; 2. a contact spring; 3. a ground shorting bar; 4. a ground switch base; 5. A drive spring seat; 6. a rotation sensor; 7. an intelligent terminal; 8. a motor case worm shaft; 9. a turbine; 10. a spring positioning shaft; 11. a drive spring body; 12. a drive shaft; 13. a grounding switch main shaft; 14. a moving contact support plate; 15. a drive plate; 16. a voltage sensor; 17. a grounding static contact; 18. a manually operated shaft; 19. operating a crank arm of the shaft; 20. a connector; 21. a connecting rod; 22. a main shaft crank arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a compact digital grounding switch comprises a grounding switch, the grounding switch comprises a grounding moving contact 1 and a contact spring 2 arranged on the grounding moving contact 1, the grounding moving contact 1 is divided into a plurality of groups and is uniformly arranged, the lower end of the grounding moving contact 1 is connected with a grounding short-circuit row 3, one side of the grounding short-circuit row 3 is obliquely provided with a grounding switch base 4, two groups of driving spring seats 5 are symmetrically arranged on the grounding switch base 4, a rotation sensor 6 is arranged between the two groups of driving spring seats 5, one side of the driving spring seat 5 is provided with an intelligent terminal 7, one side of the intelligent terminal 7 is provided with a motor gear box worm shaft 8, the lower end of the motor gear box worm shaft 8 is provided with a turbine 9 used in a matching way, the outer end of the driving spring seat 5 is provided with a spring positioning shaft 10, the surface of the driving spring seat is sleeved with a driving spring body 11, and the tail end of the driving spring seat 5 is inserted with a driving shaft 12, a moving contact supporting plate 14 is installed at the lower end of the grounding short-circuit bar 3, a grounding switch main shaft 13 is inserted into the joint of the moving contact supporting plate 14 and the grounding switch base 4, a driving plate 15 is arranged on the right side of the moving contact supporting plate 14, three groups of voltage sensors 16 are evenly arranged below the driving plate 15, grounding static contacts 17 are vertically installed at the outer ends of the voltage sensors 16, and a crank arm operating mechanism is installed at the corner of one side of the grounding switch base 4.

And (4) supplementary notes: the intelligent terminal 7 adopts a wired or wireless communication mode to carry out on-site digital conversion on the voltage signal received by the voltage sensor 16, the on-off state of the grounding switch obtained by the rotation sensor 6, the voltage and current signal of the motor 8 and the like, and transmits the converted voltage signal, the switched-off state of the grounding switch, the voltage and current signal and the like to the switch cabinet; the voltage sensor 16 has an electromagnetic induction coil therein, which induces power and can provide power for the operation of the motor and the intelligent terminal 7.

Further improved, as shown in fig. 1: the crank arm operating mechanism consists of a manual operating shaft 18, an operating shaft crank arm 19, a connector 20, a connecting rod 21 and a switch main shaft crank arm 22, wherein the manual operating shaft 18 is horizontally arranged, the right end of the manual operating shaft 18 is connected with the connector 20 through the operating shaft crank arm 19, the lower end of the connector 20 is connected with the main shaft crank arm 22 through the connecting rod 21, and the main shaft crank arm 22 is installed on one side of the grounding switch main shaft 13.

Further improved, as shown in fig. 1: the crank arm operating mechanism is arranged at the rear part of the movable contact supporting plate 14 and is far away from the grounding fixed contact 17.

Specifically, the grounding static contact 17 is in a round copper bar shape and is directly connected with the outgoing copper bar.

When in use: the utility model discloses when closing a floodgate, the clockwise rotation of manual operation axle 18 closes a floodgate, drive operation axle connecting lever 19 and select and drive connecting rod head 20 upward movement, connecting rod 21 drives main shaft connecting lever 22 upward selection, it is rotatory to drive earthing switch main shaft 13, earthing switch main shaft 13 clockwise rotation, it is rotatory to drive plate 15, drive plate 15 promotes drive shaft 12 and revolves earthing switch main shaft 13 rotatory, drive shaft 12 drives moving contact backup pad 14 and revolves the main shaft rotatory, drive spring seat 5 and revolve around spring location axle 10 simultaneously, and compress drive spring 11 and store energy, after drive shaft 12 walks around the dead point of drive spring 11, drive spring 11 releases energy rapidly, drive moving contact backup pad 14 drives earthing moving contact 1 and closes a floodgate to earthing static contact 17 rapidly, contact spring 2 makes the contact keep pressing from both sides tightly, the idle stroke of drive shaft 12 at drive plate 15, main shaft operating speed does not influence the closing speed of moving contact, the process of separating brake is opposite with the process of closing a floodgate, and the spring is energy storage earlier the same, and the release energy again, it is long that the separating brake energy storage stroke is long, and spring compression energy is big, and earthing switch still is furnished with motor case worm axle 8, and electric reduction box drives the worm rotatory, and the worm drives turbine 9 and drives earthing switch main shaft 13 rotatory, and with manual close, the separating brake operation is the same, and electric operating mechanism realizes electric operation's start-up, stop with rotation sensor 6, the cooperation of intelligent terminal 7, and rotation sensor 6 real-time perception earthing switch divides, the combined floodgate state, consequently, the utility model adopts an above-mentioned structure a compact digital earthing switch, unique coupling mechanism, transmission quality is little, and is fast, and unique operating angle's control makes the main shaft moment of torsion little, and separating brake power is little to the use and the assembly work volume of part have been reduced, make the production and processing process simplify.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A compact digital earthing switch, includes earthing switch, its characterized in that: earthing switch includes ground connection moving contact (1) and installs contact spring (2) on ground connection moving contact (1), ground connection moving contact (1) branch is equipped with a plurality of groups and evenly sets up, a plurality of groups the lower extreme of ground connection moving contact (1) is connected with ground connection short-circuit row (3), one side of ground connection short-circuit row (3) is the slope form and is provided with earthing switch base (4), two sets of drive spring seat (5) are installed to the symmetry on earthing switch base (4), and are two sets of be provided with rotation sensor (6) between drive spring seat (5), one side of drive spring seat (5) is provided with intelligent terminal (7), one side of intelligent terminal (7) is provided with motor gear case worm axle (8), the lower extreme of motor gear case worm axle (8) is provided with turbine (9) that the cooperation was used, the outer end of drive spring seat (5) is installed spring location axle (10) and the surface cover has inlayed drive spring The grounding switch comprises a body (11), a driving shaft (12) is inserted into the tail end of a driving spring seat (5), a moving contact supporting plate (14) is installed at the lower end of a grounding short-circuit bar (3), a grounding switch main shaft (13) is inserted into the joint of the moving contact supporting plate (14) and a grounding switch base (4), a driving plate (15) is arranged on the right side of the moving contact supporting plate (14), three groups of voltage sensors (16) are uniformly arranged below the driving plate (15), a grounding fixed contact (17) is vertically installed at the outer ends of the voltage sensors (16), and a crank arm operating mechanism is installed at the corner of one side of the grounding switch base (4).

2. The compact digital earthing switch according to claim 1, characterized in that: crank arm operating device comprises manually operated axle (18), operation axle crank arm (19), connector (20), connecting rod (21) and switch main shaft crank arm (22), manually operated axle (18) are the level form and set up and the right-hand member is connected with connector (20) through operation axle crank arm (19), the lower extreme of connector (20) is connected with main shaft crank arm (22) through connecting rod (21), main shaft crank arm (22) are installed in one side of earthing switch main shaft (13).

3. A compact digital earthing switch according to claim 2, characterized in that: the crank arm operating mechanism is arranged at the rear part of the moving contact support plate (14) and is far away from the grounding fixed contact (17).

4. A compact digital earthing switch according to claim 3, characterized in that: the grounding static contact (17) is in a round copper bar shape and is directly connected with the outgoing copper bar.