Anti-misconnection gateway electric energy meter junction box

By introducing clamping and anti-misconnection mechanisms into the junction box of the electricity meter, the problems of incorrect and missing wire connections are solved, and the wires are stably fixed and the circuit is safely operated.

CN223692427UActive Publication Date: 2025-12-19GUANGZHOU YUYANG POWER TECH CO LTD
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Patent Information

Application Number
CN202423110093.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-19
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing three-phase four-wire energy meter junction boxes are prone to incorrect or missing wiring during use, which can damage the junction box and increase the risk to operators.

Method used

A junction box for a gated energy meter designed to prevent misconnection includes a wiring port, indicator light, clamping mechanism, and anti-misconnection mechanism. The stable fixing of the wires is achieved through a structure consisting of bolts, helical gears, screws, screw sleeves, and a retaining plate. Color-coded rings and locking mechanisms prevent wire color mismatch and ensure correct wiring.

Benefits of technology

It effectively prevents wires from swaying and missing connections, improves the stability and safety of wire installation, and ensures the reliability and safety of circuit operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-misconnection gateway electric energy meter junction box which comprises a junction box body, and a wiring port is arranged on the front surface of the junction box body and used for abutting against and fixing a circuit. The indicating lamp is installed at the bottom of the front face of the junction box body and used for monitoring the line operation state. The clamping mechanism is fixed in the wiring port and is used for clamping and fixing a circuit; the anti-misconnection mechanism is arranged at the bottom of the front surface of the junction box body and is used for preventing misconnection of wires. According to the utility model, through the arrangement of the screw rod, the screw sleeve and other parts, the electric wire can be conveniently abutted and fixed, the phenomenon of missed connection is effectively prevented, the stability and the efficiency of electric wire installation are improved, and through the arrangement of the rotating rod, the color rotating ring and other parts, the color of the electric wire at a wiring port can be conveniently determined in advance; and the phenomenon of circuit failure caused by the phenomenon of color mismatching during wiring is prevented, and the safety of circuit operation is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter terminal box, specifically relates to a prevent mistaken connection's interface electric energy meter terminal box. BACKGROUND

[0002] The electric energy meter terminal box is a special terminal box in the electric energy metering device, and is usually a three-phase four-wire terminal box, mainly used for wiring and safety protection, which is connected through an internal circuit to realize the connection between the electric energy meter and the power supply and has a circuit protection function. The electric energy meter terminal box is generally composed of a shell, a substrate, a terminal, a connector and the like. The shell is made of fireproof material to ensure safety. The substrate is a circuit board fixed inside the shell to protect the circuit. The terminal is used to connect the power supply and the load, facilitating installation and replacement. In addition, the conductive body and the terminal screw of the terminal box are usually made of H62 copper and plated with nickel, and the insulating box is made of polycarbonate material, which has good heat resistance, impact resistance and electrical performance. The three-phase four-wire power supply system has the characteristics of balanced three-phase voltage and stable power output, and is therefore commonly used for power supply of high-power equipment in industrial production. As a key component of this power supply system, the three-phase four-wire terminal box can ensure the stability and safety of power transmission. In industrial production, the three-phase four-wire terminal box is often used to connect high-power equipment such as motors, transformers and transformers, providing stable and reliable power supply for them.

[0003] The three-phase four-wire electric energy meter terminal box needs to be connected with wires. The existing three-phase four-wire electric energy meter terminal box often has the problems of misconnection and missing connection during use. After power-on, the terminal box may be damaged, which increases the risk of use for the operator and is not conducive to the user.

[0004] Therefore, a prevent mistaken connection's interface electric energy meter terminal box is provided to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a prevent mistaken connection's interface electric energy meter terminal box to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a prevent mistaken connection's interface electric energy meter terminal box, which comprises:

[0007] A terminal box body;

[0008] A terminal port is arranged on the front face of the terminal box body and is used for tightly fixing the wire;

[0009] An indicator light is installed at the bottom of the front face of the terminal box body and is used for monitoring the state of the wire operation;

[0010] Clamping mechanism, fixed in the interior of the terminal, for clamping and fixing the line;

[0011] Anti-misconnection mechanism, arranged at the bottom of the front of the terminal body, for preventing the misconnection of the wire;

[0012] The terminal, the indicator light, the clamping mechanism and the anti-misconnection mechanism each have a plurality of, the terminal, the clamping mechanism and the anti-misconnection mechanism are arranged one by one, and one indicator light is arranged between every two terminals.

[0013] Further, the clamping mechanism includes a bolt, the bolt is installed on the outer wall of the front of the terminal body and is arranged directly above the terminal, the inner side of the bolt is movably connected with a screw rod through a bevel gear combination, the top of the screw rod is movably connected with the terminal body through a shaft pin, the surface of the screw rod is threadedly connected with a sleeve, the interior of the terminal is provided with an abutting plate, the sleeve penetrates through the top inner wall of the terminal and is fixedly connected with the abutting plate at the bottom.

[0014] Further, the two sides of the top of the abutting plate are fixedly connected with limiting rods, the top ends of the limiting rods penetrate through the inner top wall of the terminal, the surface of the limiting rod is sleeved with a compression spring, and the compression spring is arranged between the abutting plate and the inner top wall of the terminal.

[0015] Further, a triangular block is fixedly connected with the bottom wall of the interior of the terminal and located directly below the abutting plate, the front of the abutting plate is fixedly connected with a horizontal measuring plate, and the horizontal measuring plate is arranged at the outlet of the terminal. Every two horizontal measuring plates are connected through a connecting plate.

[0016] Further, the anti-misconnection mechanism includes a rotating groove, the rotating groove is arranged on the front of the terminal body and located below the terminal, the two sides of the interior of the rotating groove are movably connected with rotating rods through shaft pins, the surface of the rotating rod is fixedly connected with a color rotating ring, and the interior of the color rotating ring is fixedly connected with a partition plate.

[0017] Further, the front of the rotating groove is movably connected with a glass cover through a shaft pin, and the front of the glass cover is fixedly connected with a first clamping block.

[0018] Further, a clamping box is fixedly connected with the surface of the front of the terminal body and located below the rotating groove, a through hole is arranged on the front of the clamping box, a second clamping block is arranged in the interior of the clamping box, the top end of the second clamping block penetrates through the top of the clamping box and is located outside, the cross section of the part of the second clamping block located outside the clamping box is triangular, the two sides of the second clamping block are fixedly connected with limiting strips, the front of the second clamping block is fixedly connected with a slider outside through a through hole and a cross bar, the slider is movably connected with the surface of the clamping box, and the bottom of the second clamping block is fixedly connected with an elastic sheet.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] (1) the utility model discloses a screw rod, screw bush etc. Part setting, wherein the rotation of bolt drives the rotation of screw rod through bevel gear combination, thereby drive screw bush moves down, and screw bush moves down and drives the down movement of abutting plate, and abutting plate is limited by the limiting rod and is abutted by compression spring at the same time, improve the stability of abutting plate movement, and the triangular block in the wiring port interior abuts and fixes the wire, prevents the phenomenon that the wire appears to sway, and simultaneously multiple horizontal measuring plate is on the same horizontal line and can determine whether wiring port appears the phenomenon of missing, and it is convenient to abut and fix the wire, and effectively prevent the missing phenomenon, improve the stability and high efficiency of wire installation, convenient for user to use.

[0021] (2) the utility model discloses a rotating rod, color rotating ring etc. Part setting, wherein the down movement of slider drives the down movement of cross bar and second clamping block, and the elastic sheet is abutted, when second clamping block enters the inside of clamping box, first clamping block loses the location, thereby opening glass cover, and the color of color rotating ring can be adjusted, so as to determine the color of wiring port wire in advance, prevent the phenomenon that the color does not match when wiring, lead to the phenomenon that the circuit appears failure, improve the safety of circuit operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor intensity.

[0023] Figure 1 It is the overall structure schematic diagram of the anti-misconnection junction box of the electric energy meter of the utility model embodiment.

[0024] Figure 2 It is the clamping mechanism structure schematic diagram of the anti-misconnection junction box of the electric energy meter of the utility model embodiment.

[0025] Figure 3 It is the wiring port front structure schematic diagram of the anti-misconnection junction box of the electric energy meter of the utility model embodiment.

[0026] Figure 4 It is the color rotating ring structure schematic diagram of the anti-misconnection junction box of the electric energy meter of the utility model embodiment. Figure 1 It is the A place enlarged structure schematic diagram of the anti-misconnection junction box of the electric energy meter.

[0027] Figure 5 It is the color rotating ring structure schematic diagram of the anti-misconnection junction box of the electric energy meter of the utility model embodiment.

[0028] Figure 6 The utility model discloses an anti -misplug's junction electric energy meter terminal box's clamping box structure schematic diagram for embodiment of the utility model.

[0029] Figure 7 The utility model discloses an anti -misplug's junction electric energy meter terminal box's second clamping block structure schematic diagram for embodiment of the utility model.

[0030] In the drawing: terminal box body 1, terminal 2, triangular block 21, indicating lamp 3, clamping mechanism 4, bolt 41, screw rod 42, screw sleeve 43, abutting plate 44, limit rod 45, compression spring 46, helical gear combination 47, horizontal measuring plate 48, anti -misplug mechanism 5, rotation groove 51, rotation rod 52, color rotating ring 53, partition 54, glass cover 55, first clamping block 56, clamping box 57, through -opening 58, second clamping block 59, limit strip 510, sliding block 511, elastic sheet 512, connecting plate 6. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the utility model, and cannot be understood as a limitation of the utility model.

[0032] In the description of the embodiments of the utility model, it is understood that if the embodiments of the utility model involve directional indications, for example, the directions or position relationships of up, down, left, right, front, back, inside and outside are based on the directions or position relationships shown in the drawings, which are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as a limitation of the utility model.

[0033] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] In the embodiments of the utility model, unless there are explicit provisions and limitations, if there are terms such as ''installation'', ''connection'', ''connection'', ''fixing'', etc., they should be understood in a broad sense, for example, they can be fixedly connected, or they can be detachably connected, or they can be integrated. It can be mechanical connection, or electrical connection. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0035] As shown in Figures 1 to 6 The utility model discloses an anti -misconnection's pass -through electric energy meter terminal box, including terminal box body 1, terminal 2, pilot lamp 3, clamping mechanism 4, anti -misconnection mechanism 5, terminal 2 is set up in the front of terminal box body 1, is used for the line and is fixedly close, pilot lamp 3 is installed in the bottom of the front of terminal box body 1, is used for the state monitoring of line operation, clamping mechanism 4 is fixed in the inside of terminal 2, is used for the line and is fixedly close, anti -misconnection mechanism 5 sets up in the bottom of the front of terminal box body 1, is used for preventing the misconnection of electric wire, and terminal 2, pilot lamp 3, clamping mechanism 4 and anti -misconnection mechanism 5 all have several, and terminal 2, clamping mechanism 4 and anti -misconnection mechanism 5 are set up one by one correspondingly, and there is an indicator lamp 3 between every two terminals 2.

[0036] Specifically, through the setting of clamping mechanism 4 and anti -misconnection mechanism 5, it is convenient for the efficient wiring of electric wire, effectively avoids the misconnection of electric wire, and is convenient for the user to use.

[0037] In the embodiment, as shown in Figure 2 And Figure 3 Clamping mechanism 4 includes bolt 41, bolt 41 is installed on the outer wall of the front of terminal box body 1, and is arranged directly above terminal 2, the inner side of bolt 41 is movably connected with screw rod 42 through bevel gear combination 47, the top of screw rod 42 is movably connected with terminal box body 1 through shaft pin, and the surface of screw rod 42 is threadedly connected with screw sleeve 43, the inside of terminal 2 is provided with abutting plate 44, screw sleeve 43 penetrates the inside top wall of terminal 2 and is fixedly connected with abutting plate 44 at the bottom.

[0038] Specifically, the power of bolt 41 is transmitted at right angles through the transmission of bevel gear combination 47, so as to drive screw rod 42 to rotate, drive screw sleeve 43 to abut and fix to the bottom, so as to make the stable transmission of electric wire.

[0039] In the embodiment, as shown in Figure 2 And Figure 3As shown, the top of the abutting plate 44 is fixedly connected with a limiting rod 45 on both sides, the top end of the limiting rod 45 penetrates through the inner top wall of the wiring port 2, and a compression spring 46 is sleeved on the surface of the limiting rod 45 and arranged between the abutting plate 44 and the inner top wall of the wiring port 2.

[0040] Specifically, the movement of the abutting plate 44 is limited by the limiting rod 45, so that the abutting efficiency of the abutting plate 44 is higher, and the user is convenient to use.

[0041] In the embodiment, as shown in Figure 3 and Figure 4 , a triangular block 21 is fixedly connected to the bottom wall inside the wiring port 2 below the abutting plate 44, the front surface of the abutting plate 44 is fixedly connected with a horizontal measuring plate 48, the horizontal measuring plate 48 is arranged at the outlet of the wiring port 2, and every two horizontal measuring plates 48 are connected by a connecting plate 6.

[0042] Specifically, the abutting plate 44 and the triangular block 21 abut each other, so that the stability of the wire during fixing is higher, the phenomenon of shaking of the wire is prevented, the safety of use of the wire is improved, and the user is convenient to use; the horizontal measuring plates 48 are connected by the connecting plate 6, so that the plurality of horizontal measuring plates 48 are on the same horizontal line, whether the wiring port 2 is missed can be determined.

[0043] In the embodiment, as shown in Figure 4 and Figure 5 , the mistaken connection prevention mechanism 5 comprises a rotating groove 51, the rotating groove 51 is arranged on the front surface of the wiring box body 1 below the wiring port 2, and rotating rods 52 are movably connected to the two sides in the rotating groove 51 through shaft pins, color rotating rings 53 are fixedly connected to the surface of the rotating rods 52, and baffles 54 are fixedly connected to the inside of the color rotating rings 53.

[0044] Specifically, the color rotating rings 53 are arranged, so that the color of the wire inside the wiring port 2 is adjusted, color matching is performed, the problem of mistaken connection is prevented, and the user is convenient to use.

[0045] In the embodiment, as shown in Figure 5 , the front surface of the rotating groove 51 is movably connected with a glass cover 55, and the front surface of the glass cover 55 is fixedly connected with a first clamping block 56.

[0046] Specifically, the glass cover 55 is arranged, so as to protect the color rotating ring 53 and prevent the color rotating ring 53 from rotating, thereby improving the stability of use of the color rotating ring 53.

[0047] In the embodiment, as shown in Figure 6 and Figure 7As shown, the front surface of the terminal box body 1 is fixedly connected with a clamping box 57 below the rotating groove 51, the front surface of the clamping box 57 is provided with a through hole 58, the inside of the clamping box 57 is provided with a second clamping block 59, the top end of the second clamping block 59 penetrates through the top of the clamping box 57 to the outside, and the cross section of the part of the second clamping block 59 outside the clamping box 57 is triangular, the two sides of the second clamping block 59 are fixedly connected with limiting strips 510, the front surface of the second clamping block 59 is fixedly connected with a sliding block 511 outside the through hole 58 through a cross rod, the sliding block 511 is movably connected to the surface of the clamping box 57, and the bottom of the second clamping block 59 is fixedly connected with an elastic sheet 512.

[0048] Through the arrangement of the elastic sheet 512, the second clamping block 59 is facilitated to move to the top, the use efficiency of the second clamping block 59 is improved, and the user is facilitated to use.

[0049] Working principle: in use, the user places the wire into the terminal port 2, and then rotates the bolt 41, the bolt 41 is rotated to drive the screw rod 42 to rotate through the bevel gear combination 47, so that the screw sleeve 43 is driven to move downwards, the screw sleeve 43 moves downwards to drive the abutting plate 44 to move downwards, the abutting plate 44 is limited by the limiting rod 45 and is abutted by the compression spring 46, the stability of the abutting plate 44 is improved, the triangular block 21 in the terminal port 2 abuts and fixes the wire, the phenomenon that the wire shakes is prevented, a plurality of horizontal measuring plates 48 are on the same horizontal line, and whether the terminal port 2 is missed is determined, and the user is facilitated to use; when the glass cover 55 needs to be closed, the first clamping block 56 abuts the second clamping block 59, the second clamping block 59 moves downwards along the limiting strip 510, and the elastic sheet 512 is compressed, when the first clamping block 56 moves to the inside of the second clamping block 59, the first clamping block 56 is abutted and fixed with the glass cover 55; when the color adjusting ring 53 needs to be opened to adjust the color, the sliding block 511 is moved downwards, the sliding block 511 drives the cross rod and the second clamping block 59 to move downwards, the elastic sheet 512 is abutted, when the second clamping block 59 enters the inside of the clamping box 57, the first clamping block 56 is out of the limiting, and the glass cover 55 is opened, and the color adjusting ring 53 can be adjusted.

[0050] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A false connection prevention terminal box of a gateway electric energy meter, characterized in that, Include: The terminal box body (1); Terminal port (2), open in the front of the terminal box body (1), for line to resist fixedly; Indicator light (3), installed in the bottom of the front of the terminal box body (1), for line operation state monitoring; Clamping mechanism (4), fixed in the inside of the terminal port (2), for line clamping fixedly; Anti-misconnection mechanism (5), provided in the bottom of the front of the terminal box body (1), for preventing the wire from misconnection; The terminal port (2), indicator light (3), clamping mechanism (4) and anti-misconnection mechanism (5) have several, the terminal port (2), clamping mechanism (4) and anti-misconnection mechanism (5) are correspondingly arranged, and one indicator light (3) is arranged between every two terminal ports (2).

2. The anti-misconnection gateway electric energy meter junction box according to claim 1, characterized in that, The clamping mechanism (4) includes a bolt (41), the bolt (41) is installed on the outer wall of the front of the terminal box body (1), and is arranged above the terminal port (2), the inner side of the bolt (41) is movably connected with a screw rod (42) through a bevel gear combination (47), the top of the screw rod (42) is movably connected with the terminal box body (1) through a shaft pin, the surface of the screw rod (42) is threadedly connected with a sleeve (43), the inside of the terminal port (2) is provided with a pressing plate (44), the sleeve (43) penetrates the inside top wall of the terminal port and the bottom thereof is fixedly connected with the pressing plate (44).

3. The anti-misconnection gateway electric energy meter junction box according to claim 2, characterized in that, The both sides of the top of the pressing plate (44) are fixedly connected with limit rods (45), the top end of the limit rod (45) penetrates the inside top wall of the terminal port (2), the surface of the limit rod (45) is provided with a compression spring (46), and the compression spring (46) is arranged between the pressing plate (44) and the inside top wall of the terminal port (2).

4. The anti-misconnection gateway electric energy meter junction box according to claim 2, characterized in that, The bottom wall of the inside of the terminal port (2) is fixedly connected with a triangular block (21) below the pressing plate (44), the front of the pressing plate (44) is fixedly connected with a horizontal measuring plate (48), the horizontal measuring plate (48) is arranged at the outlet of the terminal port (2), and every two horizontal measuring plates (48) are connected through a connecting plate (6).

5. The anti-misconnection gateway electric energy meter junction box according to claim 1, characterized in that, The anti-misconnection mechanism (5) includes a rotating groove (51), the rotating groove (51) is arranged on the front of the terminal box body (1) below the terminal port (2), both sides of the inside of the rotating groove (51) are movably connected with rotating rods (52) through shaft pins, the surface of the rotating rod (52) is fixedly connected with a color rotating ring (53), and the inside of the color rotating ring (53) is fixedly connected with a partition plate (54).

6. The anti-misconnection gateway electric energy meter junction box according to claim 5, characterized in that, The front of the rotating groove (51) is movably connected with a glass cover (55), and the front of the glass cover (55) is fixedly connected with a first clamping block (56).

7. The anti-misconnection gateway electric energy meter junction box according to claim 5, characterized in that, The front surface of the junction box body is fixedly connected with a clamping box (57) below the rotating groove (51), the front surface of the clamping box (57) is provided with an opening (58), the inside of the clamping box (57) is provided with a second clamping block (59), the top end of the second clamping block (59) penetrates the top of the clamping box (57) to the outside, and the section of the second clamping block (59) on the outside of the clamping box (57) is triangular, the two sides of the second clamping block (59) are fixedly connected with limiting strips (510), the front surface of the second clamping block (59) is fixedly connected with a slider (511) outside the opening (58) through a cross rod, the slider (511) is movably connected to the surface of the clamping box (57), and the bottom of the second clamping block (59) is fixedly connected with an elastic sheet (512).