CN220019712U - Replacement ammeter power-off-free device - Google Patents

Abstract

The utility model discloses a replacement ammeter power-off-free device which is characterized by comprising a connecting seat, an end cover and a circuit conduction assembly, wherein the connecting seat is used for being sleeved on an air switch, a clamping and fixing mechanism is arranged in the connecting seat, the circuit conduction assembly is fixedly arranged in the connecting seat, one end of the circuit conduction assembly is used for being connected with an indoor power line, the other end of the circuit conduction assembly is used for being conducted with a wiring terminal of an outdoor power supply connected with the air switch, and the end cover is fixedly arranged on the connecting seat and used for covering the circuit conduction assembly; the electric meter has the advantages that when the electric meter is replaced, the power-off-free device is firstly arranged on the air switch, the outdoor power supply and the indoor power supply are conducted through the circuit conduction assembly, and then the air switch is disconnected, so that electric appliances or equipment in the circuit can be continuously powered in the process of replacing the electric meter, and unnecessary losses are avoided. And the power-off-free device is convenient to assemble and disassemble on the air switch.

Description

Replacement ammeter power-off-free device

Technical Field

The utility model relates to electrical equipment used in a circuit, in particular to a power-off-free device for replacing an ammeter.

Background

The ammeter is an essential instrument for metering electricity consumption in every family and enterprise, and an air switch is connected in series in a connecting circuit of the ammeter, so that the ammeter is protected when short circuit, serious overload, undervoltage and the like occur in the circuit or electrical equipment. When the ammeter is damaged and needs to be replaced, in order to ensure the life safety of circuit maintenance workers, the circuit is powered off (an air switch is generally disconnected) and then the ammeter is replaced. However, some electric appliances or devices which cannot be powered off are unavoidable in enterprises and families, and certain losses are caused once the electric appliances or devices are powered off.

Disclosure of Invention

The utility model aims to provide a power-off-free device for replacing an ammeter, which can continuously supply power to electric appliances or equipment in a circuit when the ammeter is replaced, so that unnecessary loss is avoided.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a change ammeter and exempt from outage device, includes connecting seat, end cover and circuit conduction subassembly, the connecting seat be used for the cover on air switch, just the connecting seat in be provided with centre gripping fixed establishment, the circuit conduction subassembly fixed the setting be in the connecting seat, just the circuit conduction subassembly one end be used for being connected with indoor power cord, the other end be used for switching on with air switch upper junction outdoor power's binding post mutually, the end cover fix the connecting seat on be used for covering the circuit conduction subassembly.

Further, the circuit switch-on assembly comprises two conducting rods, the end parts of the two conducting rods penetrate out of the connecting seat, when the connecting seat is sleeved on the air switch, the end parts of the two conducting rods correspondingly abut against positive and negative wiring terminals of an outdoor power supply connected with the air switch, each conducting rod is connected with a conducting plate, the conducting plates are fixed on the connecting seat, the conducting plates are connected with conducting screws in a threaded mode, and the conducting screws are used for connecting indoor power supply wires.

Further, the conducting rod, the conducting strip and the conducting screw are all made of copper.

Further, the connecting seat include the linking arm, go up fixture block and lower fixture block, last fixture block with lower fixture block respectively integrative perpendicular connection be in the upper and lower both ends of linking arm, centre gripping fixture include latch segment and adjusting bolt, last fixture block on be provided with the fluting, the latch segment be arranged in the fluting, grooved cell wall on be provided with oblique guide rail, the side of latch segment be provided with oblique guide rail assorted chute, oblique guide rail with chute sliding fit, adjusting bolt pass the end cover with last fixture block looks spiro union, just adjusting bolt's tip with the latch segment offset.

Further, a screw hole communicated with the slot is formed in the upper clamping block, and the adjusting bolt is in threaded connection with the screw hole.

Further, the upper clamping block is internally provided with a through hole and a nut mounting hole, the through hole is communicated with the groove, the nut mounting hole is vertically communicated with the through hole, a nut is arranged at the communicating position of the nut mounting hole and the through hole, and the adjusting bolt penetrates through the through hole and is in threaded connection with the nut.

Furthermore, the end cover is made of transparent materials.

Compared with the prior art, the utility model has the advantages that when the ammeter is replaced, the power-off-free device is firstly arranged on the air switch, the outdoor power supply and the indoor power supply are conducted through the circuit conduction assembly, and then the air switch is disconnected, so that the electricity can be continuously supplied to the electrical appliances or equipment in the circuit in the ammeter replacement process, and unnecessary loss is avoided. And the power-off-free device is convenient to assemble and disassemble on the air switch.

Drawings

FIG. 1 is a schematic diagram of the utility model in combination with an air switch;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the installation of the conductive rod in the upper fixture block according to the present utility model;

FIG. 5 is a schematic diagram illustrating the installation of the circuit conduction assembly of the present utility model on the connection base;

fig. 6 is a schematic perspective view of a circuit conducting assembly and a clamping and fixing mechanism according to the present utility model.

Description of the embodiments

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in the figure, the electricity meter replacement power-off-free device comprises a connecting seat 1, an end cover 2 and a circuit conduction assembly, wherein the connecting seat 1 comprises a connecting arm 11, an upper clamping block 12 and a lower clamping block 13, the upper clamping block 12 and the lower clamping block 13 are respectively and integrally and vertically connected to the upper end and the lower end of the connecting arm 11, so that the connecting seat 1 can be sleeved on a protruding part of an air switch 3, a clamping and fixing mechanism is arranged in the connecting seat 1, the clamping and fixing mechanism comprises a locking block 4 and an adjusting bolt 5, a slot 14 is arranged on the upper clamping block 12, the locking block 4 is positioned in the slot 14, a diagonal guide 15 is integrally arranged on the wall of the slot 14, the side surface of the locking block 4 is provided with a chute 41 matched with the diagonal guide 15, the diagonal guide 15 is in sliding fit with the chute 41, a through hole 16 and a nut mounting hole 17 are arranged in the upper clamping block 12, the through hole 16 is communicated with the slot 14, the nut mounting hole 17 is vertically communicated with the through hole 16, the nut mounting hole 17 is communicated with the through hole 16, the adjusting bolt 5 sequentially penetrates through the end cover 2 and the through hole 16 and is in threaded connection with the nut 6, the end part of the adjusting bolt 5 is abutted against the locking block 4, the rotating the locking block 5 is pushed by the locking block 4, and the diagonal guide block 4 can be moved forward by the clamping block 4 to the front side of the air switch 4 is also matched with the diagonal guide 13 in the front direction of the clamping block 13, and the air switch 13 is firmly locked and the clamp block is moved down by the clamp block 4 in the direction between the front direction and the front direction 13 and the front direction is firmly matched with the front 13; the circuit conduction assembly comprises two conducting rods 7, the two conducting rods 7 are arranged in an upper clamping block 12, the end parts of the conducting rods penetrate out of the upper clamping block 12, when the connecting seat 1 is sleeved on the air switch 3, the end parts of the two conducting rods 7 correspondingly abut against positive and negative wiring terminals 31 of an outdoor power supply connected with the air switch 3, each conducting rod 7 is connected with a conducting plate 8, the conducting plates 8 are fixed on the connecting seat 1 through screws, conducting screws 9 are screwed on the conducting plates 8, the conducting screws 9 are used for connecting and fixing indoor power supply wires, and the end cover 2 is fixed on the connecting seat 1 through screws and used for covering the circuit conduction assembly.

In the above embodiment, the conductive rod 7, the conductive sheet 8 and the conductive screw 9 may be made of copper or other conductive materials. In order to facilitate the observation of the connection condition between the circuit conducting assembly and the indoor power line, the end cover 2 is made of transparent materials.

In addition, in the above embodiment, the nut 6 screwed with the adjusting bolt 5 may be omitted, and the through hole 16 in the upper clamping block 12 may be directly set as a screw hole, where the adjusting bolt 5 is screwed with the screw hole.

In the connection circuit of ammeter, the binding post of air switch one end is connected with outdoor power, and the binding post of the other end is connected with the ammeter, and the ammeter is connected with indoor power again. When the ammeter needs to be replaced, the indoor power supply is connected with the conductive screw 9 in the circuit conduction assembly, the conductive screw 9 is conducted with the wiring terminal connected with the outdoor power supply in the air switch 3 through the conductive sheet 8 and the conductive rod 7, then the air switch 3 is disconnected, and the power-off-free device directly skips over the air switch and the ammeter at the moment, and the outdoor total electricity is connected into the room, so that the indoor power supply is still in an electrified state.

The protection scope of the present utility model includes, but is not limited to, the above embodiments, the protection scope of which is subject to the claims, and any substitutions, modifications, and improvements made by those skilled in the art are within the protection scope of the present utility model.

Claims (7)

1. The utility model provides a change ammeter and exempt from outage device, its characterized in that includes connecting seat, end cover and circuit conduction subassembly, the connecting seat be used for the cover on air switch, just the connecting seat in be provided with centre gripping fixed establishment, the circuit conduction subassembly fixedly set up in the connecting seat, just one end of circuit conduction subassembly be used for being connected with indoor power cord, the other end is used for switching on with air switch upper junction outdoor power's binding post mutually, the end cover fix the connecting seat on be used for covering the circuit conduction subassembly.

2. A replacement electricity meter no-power-off device as defined in claim 1, wherein: the circuit on assembly comprises two conducting rods, the end parts of the two conducting rods penetrate out of the connecting seat, when the connecting seat is sleeved on the air switch, the end parts of the two conducting rods correspondingly abut against positive and negative wiring terminals connected with an outdoor power supply on the air switch, each conducting rod is connected with a conducting plate, the conducting plates are fixed on the connecting seat, the conducting plates are connected with conducting screws in a threaded mode, and the conducting screws are used for connecting an indoor power supply line.

3. A replacement electricity meter no-power-off device as defined in claim 2, wherein: the conducting rod, the conducting strip and the conducting screw are all made of copper.

4. A replacement electricity meter no-power-off device as defined in claim 1, wherein: the connecting seat comprises a connecting arm, an upper clamping block and a lower clamping block, wherein the upper clamping block and the lower clamping block are respectively and vertically connected with the upper end and the lower end of the connecting arm, the clamping and fixing mechanism comprises a locking block and an adjusting bolt, a slot is formed in the upper clamping block, the locking block is located in the slot, an inclined guide rail is arranged on the slot wall of the slot, a chute matched with the inclined guide rail is arranged on the side face of the locking block, the inclined guide rail is in sliding fit with the chute, the adjusting bolt penetrates through the end cover and is in threaded connection with the upper clamping block, and the end part of the adjusting bolt abuts against the locking block.

5. The replacement electricity meter outage-free device according to claim 4, wherein: the upper clamping block is internally provided with a screw hole communicated with the slot, and the adjusting bolt is in threaded connection with the screw hole.

6. The replacement electricity meter outage-free device according to claim 4, wherein: the upper clamping block in be provided with through-hole and nut mounting hole, the through-hole with the fluting be linked together, the nut mounting hole with the through-hole communicate perpendicularly, the nut mounting hole with the intercommunication department of through-hole be provided with the nut, adjusting bolt pass the through-hole and with the nut looks spiro union.

7. A replacement electricity meter no-power-off device as defined in claim 1, wherein: the end cover is made of transparent materials.