CN219533256U - Electric meter connector with auxiliary maintenance function - Google Patents

Abstract

The utility model discloses an electric meter connector for auxiliary maintenance, which comprises a shell, a wire holder, a connector and a detection device, wherein the wire holder is arranged at the lower end of the shell, the top surface of the wire holder is provided with the connector and an inner cavity, the inner cavity is provided with the detection device, the detection device consists of a circuit board, an LED lamp group and a static contact piece, the circuit board is connected with the LED lamp group and the static contact piece, the LED lamp group is arranged at the wire holder, and the static contact piece is arranged at the bottom of the inner cavity and is connected with the connector. The electric energy meter is inserted into the wire holder, and the detection device automatically detects whether the connector is normally connected with the electric energy meter or not after the electric energy meter is electrified.

Description

Electric meter connector with auxiliary maintenance function

Technical Field

The utility model relates to the field of ammeter connection, in particular to an ammeter connector for auxiliary maintenance.

Background

Along with the upgrading and transformation of the power grid, the national power grid prescribes that the electric energy meter is installed through a special connector of the electric energy meter, a lead is not directly connected into the electric energy meter, and the connector plug of the electric energy meter is preferably an interference fit plug so as to realize the installation functions of the electric energy meter, such as rapidness, convenience, safety, firmness and the like,

because the electric energy meter can not judge the communication state between the electric energy meter and the electric meter connector by naked eyes before and after the electric energy meter is installed, particularly the electric meter connector which runs for a long time and is continuously plugged can be damaged and aged, particularly the poor contact condition between the electric energy meter and the electric meter connector can be caused along with the wear of interference fit between a plug and the electric energy meter, if the electric energy meter is in failure, the electric energy meter is required to be checked in sequence by using a universal meter or other auxiliary detection tools, and the maintenance time is greatly wasted.

Disclosure of Invention

The utility model aims to overcome the defects of the design in the background technology and provides an auxiliary overhaul product.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an ammeter connector of supplementary maintenance, includes casing, wire holder, connector and detection device, the wire holder sets up in the casing lower extreme, the wire holder top surface is equipped with connector and inner chamber, the inner chamber is equipped with detection device, detection device comprises circuit board, LED banks and static contact, the circuit board is connected with LED banks and static contact, LED banks sets up at the wire holder, the static contact sets up in the inner chamber bottom and is connected with the connector.

Preferably, the wiring seat is equipped with the U-shaped blind hole, U-shaped blind hole bottom side is equipped with the breach, the breach is equipped with the static contact piece, the static contact piece is equipped with the through-hole, U-shaped blind hole bottom is equipped with the wiring through-hole, the wiring through-hole communicates to the wiring seat bottom, wiring seat front position is equipped with the wiring hole, the wiring hole is equipped with pre-buried groove, the wiring hole communicates to the U-shaped blind hole.

Preferably, the connector consists of a plug and a U-shaped seat, the U-shaped seat is provided with the plug, the bottom of the U-shaped seat is provided with a wire hole, the side surface of the U-shaped seat is provided with a mounting wire hole, and the U-shaped seat is fixedly arranged in the U-shaped blind hole and is arranged on the static contact. Preferably, the connector consists of a plug and a U-shaped seat, the U-shaped seat is provided with the plug, the bottom of the U-shaped seat is provided with a wire hole, the side surface of the U-shaped seat is provided with a mounting wire hole, and the U-shaped seat is fixedly arranged in the U-shaped blind hole and is arranged on the static contact.

Preferably, the circuit board is composed of a voltage reduction module, a protection module, a central control information processing module and a detection module, wherein the voltage reduction module converts alternating current into direct current and reduces voltage to supply power for the LED lamp group and the central control information processing module, the protection module protects the LED lamp group and the central control information processing module, and the detection module is connected with the static contact.

Preferably, the front of the wire holder is provided with a cylindrical groove, the cylindrical groove is provided with an LED lamp group, and the LED lamp group is provided with lamp beads.

Preferably, a shield baffle is arranged on the back surface of the shell, and the shield baffle is provided with a raised arrow.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the detection device is arranged, the electric energy meter is inserted into the wire holder, after the electric energy meter is electrified, the live wire and the zero line are conducted to the static contact through the connector, and as the static contact is connected with the detection module and the voltage reduction module, if the connection between the connector and the electric energy meter is normal, the detection module judges connection OK and feeds back signals to the central control information processing module, the central control information processing module sends instructions to enable the lamp beads to be normally on, if the contact resistance between the connector and the electric energy meter is overlarge or poor in contact, the detection module feeds back signals to the central control information processing module, and the central control information processing module sends signals to the lamp beads to enable the lamp beads to be in a red fault state, and the design enables the product to have the advantage of auxiliary maintenance.

Drawings

FIG. 1 is a schematic view of an electric meter connector for assisting maintenance according to the present utility model;

FIG. 2 is a schematic view of a bottom exploded view of an electric meter connector for assisting maintenance according to the present utility model;

FIG. 3 is a schematic view showing an exploded construction of an electric meter connector for assisting maintenance according to the present utility model;

FIG. 4 is a schematic view of the back side structure of a housing of an electric meter connector for assisting maintenance according to the present utility model;

FIG. 5 is a schematic view showing an exploded structure of the inside of a connector base of an electric meter connector for assisting maintenance according to the present utility model;

FIG. 6 is a circuit board logic diagram of an auxiliary service meter connector according to the present utility model;

the correspondence between the reference numerals and the component names in the drawings is as follows:

reference numerals: 1. a housing; 2. a wire holder; 3. a connector; 4. a detection device;

11. a shield baffle;

21. a wiring hole; 22. an inner cavity; 23. a cylindrical groove; 24. u-shaped blind holes;

31. a plug; 32. a U-shaped base;

41. a circuit board; 42. an LED lamp group; 43. a stationary contact;

111. protruding arrows;

211. a pre-buried groove;

241. a notch; 242. a wiring through hole;

321. a wire hole; 322. installing a wire hole;

421. a lamp bead;

431. and a through hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, an electric meter connector for auxiliary maintenance includes a housing 1, a wire holder 2, a connector 3 and a detecting device 4, the wire holder 2 is disposed at the lower end of the housing 1, the top surface of the wire holder 2 is provided with the connector 3 and an inner cavity 22, the inner cavity 22 is provided with the detecting device 4, the detecting device 4 is composed of a circuit board 41, an LED lamp group 42 and a static contact piece 43, the circuit board 41 is connected with the LED lamp group 42 and the static contact piece 43, the LED lamp group 42 is disposed at the wire holder 2, and the static contact piece 43 is disposed at the bottom of the inner cavity 22 and connected with the connector 3;

it should be noted that, the wire holder 2 is provided with a U-shaped blind hole 24, the side surface of the bottom of the U-shaped blind hole 24 is provided with a notch 241, the notch 241 is provided with a static contact piece 43, the static contact piece 43 is provided with a through hole 431, the bottom of the U-shaped blind hole 23 is provided with a wire through hole 242, the wire through hole 242 is communicated to the bottom of the wire holder 2, the front position of the wire holder 2 is provided with a wire through hole 21, the wire through hole 21 is provided with an embedded groove 211, the wire through hole 21 is communicated to the U-shaped blind hole 24, the notch 241 is arranged to facilitate the placement of the static contact piece 43 at the bottom of the U-shaped blind hole 24 and can play the purpose of convenient replacement, the through hole 431 and the wire through hole 242 are arranged to facilitate the connection of a power wire with the connector 3, the connector 3 is further fixed by a screw, and the design of the wire through hole 21 is designed to prevent the screw from protruding and avoid the occurrence of artificial false contact;

it should be noted that the connector 3 is composed of a plug 31 and a U-shaped seat 32, the plug 31 is provided on the U-shaped seat 32, a wire hole 321 is provided at the bottom of the U-shaped seat 32, a mounting wire hole 322 is provided on the side surface of the U-shaped seat 32, the U-shaped seat 32 is mounted and fixed on the U-shaped blind hole 24 and placed on the static contact piece 43, the design of the U-shaped seat 32 plays a role in fixing, the contact mode between the plug 31 and the electric energy meter is designed into interference fit, the electric energy meter is prevented from falling off, the mounting wire hole 322 plays a role in placing a power wire, and the U-shaped seat 32 is mounted on the static contact piece 43 for tightly contacting with the static contact piece 43, so as to prevent the measurement error of the detection module from being large due to overlarge contact resistance;

it should be noted that, the circuit board 41 is composed of a voltage reducing module, a protecting module, a central control information processing module and a detecting module, the voltage reducing module converts alternating current into direct current and reduces voltage to supply power to the LED lamp set 42 and the central control information processing module, the protecting module protects the LED lamp set 42 and the central control information processing module, the detecting module is connected with the static contact 43, the voltage reducing module converts alternating current into direct current and ensures stable output because the static contact 43 transmits alternating current, the protecting module prevents the voltage reducing module from destroying the central control information processing module and the LED lamp set 42 after failure, the detecting module judges whether the connection is normal according to the contact resistance between the connector 3 and the electric energy meter and feeds back to the central control information processing module;

it should be noted that the front surface of the wire holder 2 is provided with a cylindrical groove 23, the cylindrical groove 23 is provided with an LED lamp group 42, the LED lamp group 42 is provided with lamp beads 421, the design of the LED lamp group 42 is convenient for later maintenance, and each lamp bead corresponds to a group of loops consisting of a fire wire, a zero wire and a ground wire;

it should be noted that, the back of the casing 1 is provided with a shield baffle 11, the shield baffle 11 is provided with a raised arrow 111, the shield baffle 11 is used for preventing the tin tip of the circuit board 41 from contacting with a metal part of the ammeter box, so that potential safety hazards are caused, and maintenance personnel can lift the shield baffle 11 through the raised arrow 111 and detach and replace the failed circuit board 41.

The principle of use of the utility model will now be described as follows:

the electric energy meter is inserted into the connector 3, the electric switch is closed, and as the connector 3 is in contact with the static contact piece 43, the static contact piece 43 is electrified, the static contact piece 43 transmits a power supply to the voltage reduction module, the voltage reduction module converts alternating current into 12V direct current and ensures stable output, the 12V direct current supplies power to the central control information processing module and the LED lamp group 42, at the moment, the lamp beads are not lightened, and only after the detection module detects that the connection between the connector 3 and the electric energy meter is normal through the static contact piece 43, signals are fed back to the central control information module, and the central control information module transmits signals to the corresponding lamp beads 421 to enable the lamp beads to lighten. When the detection module measures that the contact resistance value between the connector 3 and the electric energy meter is increased and exceeds the upper limit of the set contact resistance, the detection module transmits signals to the central control information processing module, and the central control information processing module transmits signals to the specified lamp beads 421 to enable the lamp beads to be lighted to be red.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (6)

1. An auxiliary maintenance's ammeter connector, its characterized in that: including casing (1), connection terminal (2), connector (3) and detection device (4), connection terminal (2) set up in casing (1) lower extreme, connection terminal (2) top surface is equipped with connector (3) and inner chamber (22), inner chamber (22) are equipped with detection device (4), detection device (4) are constituteed by circuit board (41), LED banks (42) and static contact (43), circuit board (41) are connected with LED banks (42) and static contact (43), LED banks (42) set up in connection terminal (2), static contact (43) set up in inner chamber (22) bottom and are connected with connector (3).

2. The maintenance-assisted electricity meter connector of claim 1 wherein: the wiring seat (2) is equipped with U-shaped blind hole (24), U-shaped blind hole (24) bottom side is equipped with breach (241), breach (241) are equipped with static contact piece (43), static contact piece (43) are equipped with through-hole (431), U-shaped blind hole (24) bottom is equipped with wiring through-hole (242), wiring through-hole (242) communicate to wiring seat (2) bottom, wiring seat (2) front position is equipped with wiring hole (21), wiring hole (21) are equipped with pre-buried groove (211), wiring hole (21) communicate to U-shaped blind hole (24).

3. The maintenance-assisted electricity meter connector of claim 2 wherein: the connector (3) is composed of a plug (31) and a U-shaped seat (32), the plug (31) is arranged on the U-shaped seat (32), a wire hole (321) is formed in the bottom of the U-shaped seat (32), a mounting wire hole (322) is formed in the side face of the U-shaped seat (32), and the U-shaped seat (32) is fixedly arranged on the U-shaped blind hole (24) and is arranged on the static contact piece (43).

4. The maintenance-assisted electricity meter connector of claim 1 wherein: the circuit board (41) is composed of a voltage reduction module, a protection module, a central control information processing module and a detection module, wherein the voltage reduction module converts alternating current into direct current and reduces voltage to supply power to the LED lamp group (42) and the central control information processing module, the protection module protects the LED lamp group (42) and the central control information processing module, and the detection module is connected with the static contact piece (43).

5. The maintenance-assisted electricity meter connector of claim 4 wherein: the front of the wiring seat (2) is provided with a cylindrical groove (23), the cylindrical groove (23) is provided with an LED lamp group (42), and the LED lamp group (42) is provided with lamp beads (421).

6. The maintenance-assisted electricity meter connector of claim 1 wherein: the back of the shell (1) is provided with a shield baffle (11), and the shield baffle (11) is provided with a raised arrow (111).