CN211319997U - Intelligent grounding protection switch - Google Patents

Abstract

The utility model discloses an intelligence ground protection switch, upper cover on the base including base and joint, the base front end is fixed with four incoming wire terminals, the last inlet wire contact piece of having seted up of incoming wire terminal, the base rear end is fixed with four leading-out terminal, the spout has been seted up respectively on both sides about the base, sliding connection has the slider in the spout, the joint has the switch row on the slider, four preforming grooves have been seted up to switch row lower part, the preforming inslot joint has the spring leaf, the welding has the preforming on the spring leaf, it has the ground connection copper bar to be close to leading-out terminal department joint on the base, four ground connection contact pieces have been seted up on the ground connection copper bar, switch row upper portion both sides are fixed with the row of teeth. An intelligence ground protection switch, tradition is hung when effectively solving the maintenance and is established the problem that earth connection inefficiency and distributed generator sent the electricity backward.

Description

Intelligent grounding protection switch

Technical Field

The utility model relates to an earthing switch field especially relates to an intelligence ground protection switch.

Background

In the maintenance of three-phase alternating current lines and distribution box equipment, grounding is needed, the space in the existing distribution box is narrow, the existing equipment grounding wire cannot be used, and only the grounding wire for the lines can be arranged on the distribution transformer outgoing line side; the hanging of the line grounding wires needs the operation of climbing a rod, each pair of grounding wires needs 20 minutes for hanging and dismounting, if multiple paths of outgoing wires exist, each path of outgoing wire needs to be hung, and the operation efficiency is not high; with the gradual increase of the insulation proportion of low-voltage power supplies, proper grounding hanging points are lacked during maintenance of part of transformer areas, the operation is inconvenient, and in recent years, with further maturity of related technologies, domestic and foreign low-voltage distributed power supplies (solar energy, wind energy power generation and the like) are rapidly developed, and the reverse power transmission of the distributed power supplies to a power grid becomes a non-negligible dangerous point in high-voltage operation and power failure maintenance operation of a distribution box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligence ground protection switch, tradition hang when can effectively solving the maintenance and establish the people's personal safety that earth connection inefficiency and distributed generator reverse power transmission caused maintainer.

In order to achieve the above purpose, the utility model provides a technical scheme is: the gear box comprises a base and an upper cover clamped on the base, wherein four wire inlet terminals are fixed at the front end of the base, wire inlet contact pieces are arranged on the wire inlet terminals, four wire outlet terminals are fixed at the rear end of the base, sliding grooves are respectively formed in the left side and the right side of the base, sliding blocks are connected in the sliding grooves in a sliding mode, a switch row is clamped on the sliding blocks, four pressing piece grooves are formed in the lower portion of the switch row, spring pieces are clamped in the pressing piece grooves, pressing pieces are welded on the spring pieces, a grounding copper bar is clamped on the base and is close to the wire outlet terminals, four grounding contact pieces are arranged on the grounding copper bar, gear rows are fixed on two sides of the upper portion of the switch row, a gear fixing seat is fixed in the upper cover between the two gear rows, a shaft sleeve is fixed on the gear fixing seat, a, the driving gear is meshed with a first driven gear, a second driven gear is coaxially mounted below the first driven gear, a third driven gear is meshed with the second driven gear, the second driven gear and the third driven gear are respectively meshed with the gear row, a handle is clamped on the upper portion of the main rotating shaft, a shifting piece is mounted in the handle through a rotating shaft, and the shifting piece is connected with a line of the outgoing line terminal through a braided wire.

Furthermore, the upper cover of the outer edge of the handle is provided with a shifting sheet bayonet.

Furthermore, an indicating belt is embedded on the upper cover.

Furthermore, a wire inlet clapboard is arranged on the base between two adjacent wire inlet terminals.

Furthermore, an outlet clapboard is arranged on the base between two adjacent outlet terminals.

Further, the handle is provided with a convex pattern.

Furthermore, the lower end of the shifting piece is provided with a shifting piece clamping block, the middle part of the shifting piece is provided with a rotating shaft hole, and the upper part of the shifting piece is provided with two padlock holes and a pressing part.

The utility model has the advantages that: the utility model provides an intelligence ground protection switch, arranges through the switch and breaks off traditional electric wire netting power supply, carries out ground connection to the solar energy electricity etc. that the distributing type is incorporated into the power networks, improves the efficiency of overhauing, prevents the danger of the power transmission of falling, ensures maintainer's safety.

Drawings

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

FIG. 2 is a diagram of the wafer and the terminal line connection of the present invention;

FIG. 3 is a schematic structural view of the present invention with the upper cover removed;

fig. 4 is a schematic structural view of the gear transmission structure of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 4 according to the present invention;

fig. 6 is a left side view of the present invention with the upper cover removed;

fig. 7 is a top view of the present invention;

FIG. 8 is an enlarged view of area B of FIG. 7 according to the present invention;

FIG. 9 is a view showing a structure of the connection between the handle and the pick of the present invention;

fig. 10 is a schematic structural view of the pick of the present invention.

Detailed Description

Example 1

As shown in fig. 1-10, an intelligent ground protection switch includes a base 1 and an upper cover 2 fastened to the base 1, four incoming terminals 3 are fixed to the front end of the base 1, incoming contacts 4 are disposed on the incoming terminals 3, four outgoing terminals 5 are fixed to the rear end of the base 1, sliding grooves 7 are respectively disposed on the left and right sides of the base 1, sliding blocks 8 are slidably connected to the sliding grooves 7, a switch row 9 is fastened to the sliding blocks 8, four pressing grooves 10 are disposed on the lower portion of the switch row 9, a spring plate 11 is fastened in the pressing grooves 10, pressing plates 12 are welded on the spring plate 11, a ground copper bar 13 is fastened to the base 1 near the outgoing terminals 5, four ground contacts 14 are disposed on the ground copper bar 13, gear rows 15 are fixed to two sides of the upper portion of the switch row 9, and a gear fixing seat 16 is fixed in the upper cover 2 between the two gear rows 15, the improved cable guide device is characterized in that a shaft sleeve 17 is fixed on the gear fixing seat 16, a main rotating shaft 18 is movably connected in the shaft sleeve 17, a driving gear 19 is clamped on the main rotating shaft 18, a first driven gear 20 is meshed with the driving gear 19, a second driven gear 21 is coaxially installed below the first driven gear 20, a third driven gear 22 is meshed with the second driven gear 21, the second driven gear 21 and the third driven gear 22 are respectively meshed with the tooth rows 15, a handle 23 is clamped on the upper portion of the main rotating shaft 18, a shifting piece 25 is installed in the handle 23 through a rotating shaft 24, and the pressing piece 12 is connected with a line of the outgoing line terminal 5 through a braided wire 35.

The upper cover 2 at the outer edge of the handle 23 is provided with a plectrum bayonet 26.

An indicating band 27 is embedded on the upper cover 2.

And a wire inlet clapboard 28 is arranged on the base 1 between two adjacent wire inlet terminals 3.

An outgoing line partition plate 29 is arranged on the base 1 between every two adjacent outgoing line terminals 5.

The handle 23 is provided with a relief 30.

The lower end of the shifting piece 25 is provided with a shifting piece clamping block 31, the middle part is provided with a rotating shaft hole 32, and the upper part is provided with two padlock holes 33 and a pressing part 34.

When the switch is in specific work, four incoming terminals 3 are respectively fixedly connected with a three-phase four-wire A-phase live wire, a B-phase live wire, a C-phase live wire and an N-phase zero wire through screws, four outgoing terminals 5 are respectively fixedly connected with a three-phase four-wire A-phase live wire, a B-phase live wire, a C-phase live wire and an N-phase zero wire through screws and correspond to the four incoming terminals 3, 4 groups of 8 spring pieces 11 and 8 pressing pieces 12 are respectively arranged, every 2 spring pieces form a group, a certain gap is reserved between the two pressing pieces 12 for conveniently plugging in the incoming line contact pieces and the grounding contact pieces, the spring pieces 11 tightly press the pressing pieces 13 to enable the pressing pieces 13 to be in more sufficient contact, the pressing pieces 13 are connected with the outgoing terminals 5 through braided wires 35, the braided wires are softer and are prevented from damaging the wires when the switch is started, three marks are totally arranged ON the indicating belt 27 and are, when the front end of the handle 23 is right opposite to the ON mark, at the moment, the pressing sheet of the switch row is contacted with the incoming line contact sheet to switch ON a power grid loop, and a traditional power grid line and distributed electric energy (solar energy, wind energy and the like) supply power together; when the front end of the handle 23 is right opposite to the OFF mark, at the moment, the pressing sheet of the switch row is separated from the incoming line contact sheet, the traditional power grid line is disconnected, the power supply is stopped, and the distributed electric energy (solar energy, wind energy and the like) is still supplied; when the front end of the handle 23 is just butted with the mark, at the moment, the pressing sheet of the switch row is contacted with the grounding contact piece, the A-phase live wire, the B-phase live wire and the C-phase live wire of the three-phase four-wire electric are in short circuit through the grounding copper bar, at the moment, the grounding is also realized through the grounding copper bar, the traditional power supply disconnection and the distributed solar energy and the like are used for supplying power and the three-phase short circuit grounding, the safety of maintenance personnel is ensured, the contact of the pressing sheet with the grounding contact piece and the incoming wire contact piece is realized through the movement of the sliding block, specifically, when the handle is rotated, the main rotating shaft is driven to rotate, so as to drive the driving gear to rotate, the driving gear is driven to rotate by the rotation of the driving gear, the first driven gear is driven to rotate, the first driven gear and the second driven gear are coaxially arranged, therefore, the second driven gear, thereby the removal is arranged to the push switch, make preforming and ground connection contact piece and the contact of inlet wire contact piece of installing on the switch row, realize ground connection and circular telegram, and simultaneously, still the joint has the plectrum on hand, when rotating whole switch and being in and connecing the ground, press the splenium of pressing of plectrum, the plectrum fixture block joint of messenger's plectrum lower extreme is in the plectrum fixture block, and simultaneously, pin padlock hole with the tool to lock, make the unable rotation of handle, prevent irrelevant personnel toggle switch when overhauing, bring the potential safety hazard, guarantee maintainer's safety.

The intelligent grounding protection switch of this embodiment, arrange through the switch and carry out the disconnection to traditional electric wire netting power supply, carry out ground connection to the solar energy electricity that the distributing type is incorporated into the power networks etc. improves the efficiency of overhauing, prevents the danger of the power transmission of falling, ensures maintainer's safety.

Claims (7)

1. The utility model provides an intelligence ground protection switch, includes upper cover (2) of base (1) and joint on base (1), its characterized in that: the improved switch is characterized in that four incoming line terminals (3) are fixed at the front end of the base (1), incoming line contact pieces (4) are arranged on the incoming line terminals (3), four outgoing line terminals (5) are fixed at the rear end of the base (1), sliding grooves (7) are respectively formed in the left side and the right side of the base (1), sliding blocks (8) are connected in the sliding grooves (7) in a sliding mode, a switch row (9) is clamped on the sliding blocks (8), four pressing piece grooves (10) are formed in the lower portion of the switch row (9), spring pieces (11) are clamped in the pressing piece grooves (10), pressing pieces (12) are welded on the spring pieces (11), a grounding copper bar (13) is clamped at a position, close to the outgoing line terminals (5), four grounding contact pieces (14) are arranged on the grounding copper bar (13), and tooth rows (15) are fixed on two sides of the upper, a gear fixing seat (16) is fixed in the upper cover (2) between the two gear rows (15), a shaft sleeve (17) is fixed on the gear fixing seat (16), a main rotating shaft (18) is movably connected in the shaft sleeve (17), a driving gear (19) is clamped on the main rotating shaft (18), the driving gear (19) is engaged with a first driven gear (20), a second driven gear (21) is coaxially arranged below the first driven gear (20), the second driven gear (21) is meshed with a third driven gear (22), the second driven gear (21) and the third driven gear (22) are respectively meshed with the tooth rows (15), a handle (23) is clamped at the upper part of the main rotating shaft (18), a shifting sheet (25) is arranged in the handle (23) through a rotating shaft (24), the pressing sheet (12) is connected with the outgoing line terminal (5) through a braided wire (35).

2. The intelligent earth protection switch of claim 1, wherein: the upper cover (2) at the outer edge of the handle (23) is provided with a plectrum bayonet (26).

3. The intelligent earth protection switch of claim 1, wherein: an indicating belt (27) is embedded in the upper cover (2).

4. The intelligent earth protection switch of claim 1, wherein: and a wire inlet clapboard (28) is arranged on the base (1) between two adjacent wire inlet terminals (3).

5. The intelligent earth protection switch of claim 1, wherein: and an outgoing line partition plate (29) is arranged on the base (1) between every two adjacent outgoing line terminals (5).

6. The intelligent earth protection switch of claim 1, wherein: the handle (23) is provided with a convex pattern (30).

7. The intelligent earth protection switch of claim 1, wherein: the lower end of the shifting piece (25) is provided with a shifting piece clamping block (31), the middle part is provided with a rotating shaft hole (32), and the upper part is provided with two padlock holes (33) and a pressing part (34).

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