Safe breakable electric energy meter

Abstract

The utility model discloses a safe disconnectable electric energy meter, which comprises an electric meter body, an upper mounting hole, an upper clamping hole, a positive and negative electric socket, a null and live wire electric connection seat, a lower mounting hole, a lower clamping hole, a positive and negative electric plug, a wiring terminal, a glass tube, a thermal expansion rupture ring cavity and a spring. According to the utility model, the structural design is reasonable, the positive and negative electric sockets and the positive and negative electric plugs on the null and live wire electric connection seat are inserted together, and are limited and fixed by the glass tubes on the two sides, and the spring compressed on the glass tube part and the thermal expansion filling material arranged in the thermal expansion cracking ring cavity are combined, so that the thermal expansion cracking effect is improved. The structure function that the positive and negative electric sockets and the positive and negative electric plugs are rapidly separated through the knock-cracking or thermal-cracking thermal-expansion cracking ring cavity is achieved, the problem that power failure cannot be achieved due to the fact that an electric meter breaks down and is on fire is solved, and the safety of electricity utilization protection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric energy meter, concretely is a safe disconnectable electric energy meter. BACKGROUND

[0002] The electricity consumption of college dormitory is large, and is concentrated, generally adopts the special electric energy meter. But the existing electric energy meter, zero fire line and branch circuit are connected in the mode of screw fixing, lead to the electric meter is difficult to disconnect completely once the fault is on fire, and the safety protection coefficient is not high. Therefore, aiming at the above problems, a safe disconnectable electric energy meter is provided. UTILITY MODEL CONTENTS

[0003] The utility model discloses a safe disconnectable electric energy meter.

[0004] The utility model discloses the following technical scheme to realize above-mentioned purpose, a safe disconnectable electric energy meter, including electric meter body, positive and negative pole electric socket, zero fire line electric socket, positive and negative pole electric plug, wiring terminal, glass tube and spring, be located on the upper installation hole of electric meter body and be located between the lower installation hole of zero fire line electric socket and be connected with each other through glass tube, and glass tube is inserted with spring, the middle part of glass tube is equipped with thermal expansion rupture ring cavity, one end of spring is fixedly connected in the upper installation hole, and the other end of spring is fixedly connected in the lower installation hole, and the positive and negative pole electric socket of being located at the bottom end of electric meter body and the positive and negative pole electric plug of being located on zero fire line electric socket are electrically connected together.

[0005] Preferably, the thermal expansion rupture ring cavity is internally provided with a thermal expansion filling material.

[0006] Preferably, the upper installation hole is internally provided with an upper clamping hole, and the upper clamping hole is in communication with the corresponding surface of the shell of the electric meter body.

[0007] Preferably, the lower installation hole is internally provided with a lower clamping hole, and the lower clamping hole is in communication with the back surface of the zero fire line electric socket.

[0008] Preferably, the zero fire line electric socket is internally provided with a plurality of wiring terminals.

[0009] Preferably, the glass tube is externally provided with a convex edge at both ends.

[0010] Compared with the prior art, the utility model has the advantages that the positive and negative electric plug on the positive and negative electric socket and the positive and negative electric socket on the zero fire line electric socket are inserted together, and are fixed immovably through the glass tubes on both sides, and the spring compressed in the glass tube part and the thermal expansion filling material arranged in the thermal expansion breaking ring cavity, have the structure function of knocking or thermal cracking the thermal expansion breaking ring cavity to quickly separate the positive and negative electric socket and the positive and negative electric plug, solve the problem that the electric meter cannot be powered off when the electric meter is on fire, and improve the safety of electric protection. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are 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 creative labor.

[0012] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0013] Fig. 2 It is the L-shaped block structure schematic diagram of the utility model;

[0014] Fig. 3 It is the protective round cover and round hole seat connecting structure schematic diagram of the utility model.

[0015] In the drawing: 1, electric meter body;110, upper installation hole;111, upper clamping hole;2, positive and negative electric socket;3, zero fire line electric socket;310, lower installation hole;311, lower clamping hole;4, positive and negative electric plug;5, terminal;6, glass tube;610, thermal expansion breaking ring cavity;7, spring. DETAILED DESCRIPTION

[0016] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the following will combine the drawings in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the following described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0017] The technical scheme of the utility model will be further illustrated by the specific embodiment in combination with the drawings.

[0018] In the description of the utility model, it is understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0019] Please refer to Figs. 1-3 As shown in the figure, a safe disconnectable electric energy meter, comprising an electric meter body 1, a positive and negative electrode electric socket 2, a zero fire line electric connector 3, a positive and negative electrode electric plug 4, a wiring terminal 5, a glass tube 6 and a spring 7, the upper installation hole 110 on the electric meter body 1 and the lower installation hole 310 on the zero fire line electric connector 3 are connected with each other through the glass tube 6, and the spring 7 is inserted into the glass tube 6, the middle part of the glass tube 6 is provided with a thermal expansion rupture ring cavity 610, one end of the spring 7 is fixedly connected in the upper installation hole 110, and the other end of the spring 7 is fixedly connected in the lower installation hole 310, the positive and negative electrode electric socket 2 at the bottom end of the electric meter body 1 and the positive and negative electrode electric plug 4 on the zero fire line electric connector 3 are electrically connected together.

[0020] Further, the thermal expansion rupture ring cavity 610 is internally provided with a thermal expansion filling material.

[0021] Further, the upper installation hole 110 is internally provided with an upper clamping hole 111, and one side of the upper clamping hole 111 is in communication with the corresponding shell surface of the electric meter body 1.

[0022] Further, the lower installation hole 310 is internally provided with a lower clamping hole 311, and one side of the lower clamping hole 311 is in communication with the back surface of the zero fire line electric connector 3.

[0023] Further, the zero fire line electric connector 3 is provided with a plurality of wiring terminals 5 on the front surface.

[0024] Further, the glass tube 6 is provided with an outer convex edge at both ends.

[0025] Compared with the prior art, the difference lies in that the positive and negative electrode electric plug 4 on the positive and negative electrode electric socket 2 is inserted together, and is fixedly limited by the glass tube 6 on both sides, and in combination with the spring 7 compressed in the glass tube 6 and the thermal expansion filling material arranged in the thermal expansion rupture ring cavity 610, the structure and function of knocking or thermal cracking the thermal expansion rupture ring cavity 610 to quickly separate the positive and negative electrode electric socket 2 from the positive and negative electrode electric plug 4 are achieved, the problem of electric meter fire failure and inability to disconnect power is solved, and the safety of electric protection is improved.

[0026] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The embodiments are therefore to be seen as exemplary and not restrictive, the scope of the present application being defined by the appended claims and not by the above description. Any reference signs in the claims should not be construed as limiting the scope of the claims to the features to which the reference signs are attached.

[0027] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A safety disconnectable electricity meter, characterized by: The utility model relates to an electric meter, including electric meter body (1), positive and negative pole electric socket (2), zero fire line electric contact seat (3), positive and negative pole electric plug (4), wiring terminal (5), glass tube (6) and spring (7), the upper installation hole (110) on electric meter body (1) and the lower installation hole (310) on zero fire line electric contact seat (3) are connected with each other through glass tube (6), and spring (7) is inserted into glass tube (6), the middle part of glass tube (6) is equipped with thermal expansion rupture ring cavity (610), one end of spring (7) is fixedly connected in the upper installation hole (110), and the other end of spring (7) is fixedly connected in the lower installation hole (310), and positive and negative pole electric socket (2) at the bottom of electric meter body (1) and positive and negative pole electric plug (4) on zero fire line electric contact seat (3) are electrically connected together.

2. The safety disconnectable electric energy meter according to claim 1, characterized in that: The thermal expansion rupture ring cavity (610) is internally provided with thermal expansion filling material.

3. The safety disconnectable electric energy meter according to claim 1, characterized in that: An upper clamping hole (111) is formed in the bottom of the upper installation hole (110), and one side of the upper clamping hole (111) is in communication with the corresponding surface of the shell of the electric meter body (1).

4. The safety disconnectable electric energy meter according to claim 1, characterized in that: A lower clamping hole (311) is formed in the top of the lower installation hole (310), and one side of the lower clamping hole (311) is in communication with the back of the zero fire line electric contact seat (3).

5. The safety disconnectable electric energy meter according to claim 1, characterized in that: The zero fire line electric contact seat (3) is provided with a plurality of wiring terminals (5) on the front face.

6. The safety disconnectable electric energy meter according to claim 1, characterized in that: Both ends of the glass tube (6) are outwardly convex.

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