CN219496519U

CN219496519U - Voltage measuring device

Info

Publication number: CN219496519U
Application number: CN202320740807.3U
Authority: CN
Inventors: 钟华
Original assignee: Loudi Metrological Testing And Verification Institute
Current assignee: Loudi Metrological Testing And Verification Institute
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-08
Anticipated expiration: 2033-04-06

Abstract

The utility model provides a voltage measuring device, which relates to the technical field of electric power overhaul tools and comprises a voltage measuring meter, a measuring meter lead, a lead end, an end bracket, a movable contact end, a dismounting handle and a soft connecting lead. The voltmeter is connected with the tested equipment through the auxiliary positioning structure, the connection stability is high, the circuit breaking is not easy to occur during the voltage measurement, the operation of manually supporting the meter pen is saved, and the practicability of the voltage measurement device is effectively improved.

Description

Voltage measuring device

Technical Field

The utility model belongs to the technical field of electric power overhaul tools, and particularly relates to a voltage measuring device.

Background

In an urban power transmission system, the power transmission system needs to be maintained and overhauled regularly, voltage measurement needs to be carried out on equipment such as a transformer and an electric energy meter of the power transmission system during maintenance and overhauling, whether the voltage of power transmission equipment is stable, whether an electric power equipment shell leaks electricity or not is checked, when the voltage detection is carried out on the equipment such as the transformer, the power transmission line and the electric energy meter, staff is required to carry a voltmeter to detect the equipment, a positive electrode and a negative electrode are arranged on the voltmeter, and the positive electrode and the negative electrode of the equipment to be detected are respectively connected through two pens, so that the voltage value can be displayed through the voltmeter.

When the traditional voltmeter is used, two meter pens of the handheld voltmeter of measurement personnel are respectively contacted with the anode and the cathode of the equipment, and the traditional meter pens are electrically connected with the electrode surface through meter pins, but manual auxiliary positioning is needed, so that the measurement of the voltage fluctuation condition for a long time is not facilitated, and the labor capacity of the measurement personnel can be increased.

Disclosure of Invention

The utility model provides a voltage measuring device, which comprises a voltage measuring meter; two meter wires are electrically connected to the voltage meter; the wire ends are provided with two positions, and the two wire ends are respectively and fixedly connected with the outer ends of the wires of the two measuring gauges; the end support is provided with two parts, and the two end supports are respectively and fixedly connected with the outer ends of the two wire ends; the movable contact end is provided with two parts, and the two movable contact ends are respectively and movably connected in the two end brackets; the lower surface of the movable contact end is fixedly connected with a disassembly handle, the disassembly handle is movably connected with an end bracket, and the disassembly handle is an L-shaped rod body made of hard plastic; the inner end of the lower surface of the movable contact end is welded with a soft connecting wire; the soft connecting wires are electrically connected with the wires of the measuring meter.

Preferably, the inner penetrating groove of the wire is penetrated and arranged in the wire end, the outer end of the outer surface of the wire end is fixedly connected with a connecting rib plate, the connecting rib plate is fixedly connected with the end bracket, and the wire end is made of hard plastic.

Preferably, the end support is a frame body with a U-shaped structure, an opening of the end support faces outwards, a support guide rod made of hard plastic is fixedly connected inside the opening of the end support, an end support lower guide hole with a rectangular through groove structure is formed below the end support in a penetrating mode, the whole end support is made of hard plastic, and the end support lower guide hole is connected with a disassembly handle in a sliding mode.

Preferably, the end support is provided with a wire outer penetrating groove in a penetrating way, the wire outer penetrating groove is in butt joint with the wire inner penetrating groove, the outer end of the end support is provided with an inclined fixed end plate through bending, and the inclined fixed end plate is arranged in an inclined way of 45 degrees.

Preferably, a fixed wire slot with a semicircular slot structure is formed in the inner bottom surface of the end support, a lower limiting end surface is machined on the outer side wall of the fixed wire slot, and the lower limiting end surface is perpendicular to the bottom surface of the end support.

Preferably, the movable contact end is made of brass, the outer end of the movable contact end is bent at 45 degrees and is provided with an inclined movable end plate, and the lower surface of the movable contact end is provided with a movable wire slot with a semicircular slot structure.

Preferably, the outer side surface of the movable wire slot is provided with an upper limiting end surface, the upper limiting end surface is perpendicular to the lower surface of the movable contact end, the upper surface of the movable contact end is fixedly connected with a positioning push spring, the upper end of the positioning push spring is fixedly connected with the inner surface of the end bracket, the lower part of the movable contact end is longitudinally penetrated and provided with a longitudinal guide hole, the longitudinal guide hole is a square through hole, and the longitudinal guide hole is in sliding connection with the bracket guide rod.

The beneficial effects of the utility model are as follows:

(1) The two ends of the two meter pens of the voltage measuring meter are respectively provided with the clamping components, when the actual voltage of the device is measured, the clamping structure formed by the end support and the movable contact end is connected with the electrode end of the device to be measured, the movable contact end is applied with a tightening force through the positioning push spring, the electrode end of the device to be measured is fixedly connected between the fixed wire slot and the movable wire slot, the electrode end is in contact with the movable contact end to form electric connection, and the voltage of the electric device can be measured.

(2) When the wire of the measuring meter is connected with the electrode terminal of the tested equipment, the gap between the inclined movable end plate and the inclined fixed end plate of the equipment can be directly aligned with the electrode terminal of the tested equipment and pushed forward, the movable contact end moves upwards under the action of the inclined plane, the electrode terminal of the tested equipment enters between the movable wire slot and the fixed wire slot, the fixed connection is realized through the jacking of the top spring, and the wire is not easy to reversely separate due to the arrangement of the lower limiting end face and the upper limiting end face in the connection state, so that the connection stability between the voltage measuring device and the tested equipment is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the end of a meter wire according to the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the wire end of the present utility model;

FIG. 4 is a schematic view of the structure of the movable contact tip of the present utility model;

FIG. 5 is a schematic view of the structure of the end bracket of the present utility model;

in the figure, the correspondence between the component names and the drawing numbers is:

1. a voltage measuring meter; 2. a gauge wire; 3. a wire end; 301. the lead is internally provided with a groove; 302. connecting rib plates; 4. an end bracket; 401. a bracket guide rod; 402. an end frame lower guide hole; 403. the wire passes through the groove; 404. obliquely fixing the end plate; 405. fixing the wire slot; 4051. a lower limit end surface; 5. a movable contact end; 501. a slant movable end plate; 502. a movable wire slot; 5021. an upper limit end surface; 503. positioning a push spring; 504. a longitudinal guide hole; 6. disassembling the handle; 7. and soft connecting wires.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 5:

the utility model provides a voltage measuring device, which comprises a voltage measuring meter 1; two meter wires 2 are electrically connected to the voltage meter 1; the wire end 3 is provided with two positions, and the two wire ends 3 are respectively and fixedly connected with the outer ends of the two measuring meter wires 2; the end support 4 is provided with two positions, and the two end supports 4 are respectively and fixedly connected with the outer ends of the two wire ends 3; the movable contact end 5 is provided with two positions, and the two movable contact ends 5 are respectively and movably connected inside the two end brackets 4; the lower surface of the movable contact end 5 is fixedly connected with a disassembly handle 6, the disassembly handle 6 is movably connected with the end bracket 4, and the disassembly handle 6 is an L-shaped rod body made of hard plastic; the inner end of the lower surface of the movable contact end 5 is welded with a soft connecting wire 7; the flexible connecting wire 7 is electrically connected to the meter wire 2.

Wherein, the inside of wire end 3 runs through and has offered wire internal thread groove 301, and wire end 3 surface outer end fixedly connected with connects floor 302, connects floor 302 fixed connection end support 4, and wire end 3 is made for hard plastics, and soft connecting wire 7 passes wire internal thread groove 301 and meter wire 2 electric connection, plays the effect to the support of end support 4 through wire end 3, also is convenient for the taking of connecting wire.

The end support 4 is a U-shaped frame body, an opening of the end support 4 faces outwards, a support guide rod 401 made of hard plastic is fixedly connected inside the opening of the end support 4, an end support lower guide hole 402 with a rectangular through groove structure is formed below the end support 4 in a penetrating mode, the whole end support 4 is made of hard plastic, and the end support lower guide hole 402 is connected with a disassembling handle 6 in a sliding mode; the end support 4 is provided with a wire outer penetrating groove 403 in a penetrating way, the wire outer penetrating groove 403 is in butt joint with the wire inner penetrating groove 301, the outer end of the end support 4 is provided with an inclined fixed end plate 404 through bending, and the inclined fixed end plate 404 is obliquely arranged at 45 degrees; the fixed wire slot 405 with a semicircular slot structure is formed in the inner bottom surface of the end support 4, the outer side wall of the fixed wire slot 405 is provided with a lower limit end face 4051, the lower limit end face 4051 is perpendicular to the bottom surface of the end support 4, the movable contact end 5 is mounted through the end support 4, and the sliding connection between the support guide rod 401 and the longitudinal guide hole 504 plays a guiding role.

Wherein, the movable contact end 5 is made of brass, the outer end of the movable contact end 5 is bent at 45 degrees and is provided with an inclined movable end plate 501, and the lower surface of the movable contact end 5 is provided with a movable wire slot 502 with a semicircular slot structure; an upper limiting end surface 5021 is machined on the outer side surface of the movable wire groove 502, the upper limiting end surface 5021 is perpendicular to the lower surface of the movable contact end 5, a positioning push spring 503 is fixedly connected to the upper surface of the movable contact end 5, the upper end of the positioning push spring 503 is fixedly connected with the inner surface of the end bracket 4, a longitudinal guide hole 504 is longitudinally formed below the movable contact end 5 in a penetrating manner, the longitudinal guide hole 504 is a square through hole, and the longitudinal guide hole 504 is in sliding connection with the bracket guide rod 401; under normal state, the movable contact end 5 is pushed downwards under the action of the positioning push spring 503, and the positioning push spring 503 applies a pushing force to the movable contact end 5, so that the electrode end of the tested device is fixedly connected between the fixed wire slot 405 and the movable wire slot 502, and the electrode end is in contact with the movable contact end 5 to form electric connection.

Specific use and action of the embodiment:

when the utility model is used for measuring the voltage of the electric equipment, the voltage measuring meter 1 is held by the hand, the two measuring meter wires 2 are respectively and electrically connected to the two electrode terminals of the electric equipment, the wire end 3 is held by the hand, the gap between the inclined movable end plate 501 and the inclined fixed end plate 404 is aligned with the electrode terminals of the measured equipment and pushed forward, the movable contact end 5 is moved upwards under the action of the inclined plane, the electrode terminals of the measured equipment enter between the movable wire groove 502 and the fixed wire groove 405, the fixed connection is realized through the jacking of the jacking spring, the voltage measuring meter 1 and the electrode of the measured equipment can be electrically connected through the measuring meter wires 2, the voltage of the electric equipment is measured, the disassembling handle 6 is pushed upwards after the measurement is finished, the movable contact end 5 is moved upwards, the clamping of the electrode of the measured equipment is released, the two measuring meter wires 2 are stored, and the next use of the voltage measuring device is convenient.

Claims

1. A voltage measurement device, characterized by: comprises a voltage measuring meter (1); two meter wires (2) are electrically connected to the voltage meter (1); the wire end (3) is arranged at two positions, and the two wire ends (3) are respectively and fixedly connected with the outer ends of the two meter wires (2); the end supports (4) are arranged at two positions, and the two end supports (4) are respectively and fixedly connected with the outer ends of the two wire ends (3); the movable contact end (5) is provided with two positions, and the two movable contact ends (5) are respectively and movably connected inside the two end brackets (4); the lower surface of the movable contact end (5) is fixedly connected with a disassembling handle (6), the disassembling handle (6) is movably connected with the end support (4), and the disassembling handle (6) is an L-shaped rod body made of hard plastic; the inner end of the lower surface of the movable contact end (5) is welded with a soft connecting wire (7); the soft connecting wire (7) is electrically connected with the measuring meter wire (2).

2. A voltage measuring device according to claim 1, wherein: the inner part of the wire end (3) is provided with a wire inner penetrating groove (301) in a penetrating way, the outer end of the outer surface of the wire end (3) is fixedly connected with a connecting rib plate (302), the connecting rib plate (302) is fixedly connected with an end support (4), and the wire end (3) is made of hard plastic.

3. A voltage measuring device according to claim 2, wherein: the end support (4) is a frame body with a U-shaped structure, an opening of the end support (4) faces outwards, a support guide rod (401) made of hard plastic is fixedly connected inside the opening of the end support (4), an end support lower guide hole (402) with a rectangular through groove structure is formed in a penetrating mode below the end support (4), the end support (4) is integrally made of hard plastic, and the end support lower guide hole (402) is connected with a disassembly handle (6) in a sliding mode.

4. A voltage measuring device according to claim 3, wherein: the end support (4) is provided with a wire outer penetrating groove (403) in a penetrating mode, the wire outer penetrating groove (403) is in butt joint with the wire inner penetrating groove (301), the outer end of the end support (4) is provided with an inclined fixed end plate (404) through bending, and the inclined fixed end plate (404) is arranged in an inclined mode at 45 degrees.

5. A voltage measuring device according to claim 4, wherein: a fixed wire groove (405) with a semicircular groove structure is formed in the inner bottom surface of the end support (4), a lower limiting end surface (4051) is machined on the outer side wall of the fixed wire groove (405), and the lower limiting end surface (4051) is perpendicular to the bottom surface of the end support (4).

6. A voltage measuring device according to claim 5, wherein: the movable contact end (5) is made of brass, the outer end of the movable contact end (5) is bent at 45 degrees and is provided with an inclined movable end plate (501), and the lower surface of the movable contact end (5) is provided with a movable wire slot (502) with a semicircular slot structure.

7. A voltage measuring device according to claim 6, wherein: the outer side of movable wire casing (502) is processed and is had upper limit terminal surface (5021), upper limit terminal surface (5021) perpendicular to movable contact end (5) lower surface, movable contact end (5) upper surface fixedly connected with location push spring (503), the upper end fixed connection end support (4) internal surface of location push spring (503), longitudinal guide hole (504) have been seted up vertically to the below of movable contact end (5), longitudinal guide hole (504) are square through-hole, longitudinal guide hole (504) and support guide arm (401) sliding connection.