CN217385781U

CN217385781U - Intelligent leakage detector based on low-voltage distribution network

Info

Publication number: CN217385781U
Application number: CN202123046723.XU
Authority: CN
Inventors: 杨军; 邱卫卫; 李鹏; 裘炜望; 黄伟; 苏林志; 陈潞
Original assignee: Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-09-06
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses an intelligence electric leakage detector based on low voltage distribution network, include: the host is arranged in the meter box; the voltage collecting head comprises an insulating cover and an adsorption contact, wherein the adsorption contact is made of magnetic conductive metal, the adsorption contact is adsorbed on a live wire nut of the earth leakage protector behind the meter, the adsorption contact is wrapped by the insulating cover, one end of a wire penetrates through the insulating cover to be connected with the adsorption contact, and the other end of the wire is connected with the host; the current acquisition module comprises a current inductor and a wire, wherein the current inductor surrounds the circuit of the live wire and the zero line of the leakage protector behind the meter, and the wire is connected with the current inductor and the host. The utility model discloses on earth-leakage protector behind table inslot and the table was installed to the mode that has no power failure, can be applicable to most service environment, assembly cost is low to the voltage and the electric current information of gathering can help the salvage personnel to judge the power failure position, improve maintenance efficiency, it is long when reducing the power failure.

Description

Intelligent leakage detector based on low-voltage distribution network

Technical Field

The utility model relates to an electric leakage detection field, in particular to intelligent electric leakage detector based on low voltage network.

Background

When short circuit or electric leakage take place in resident family, earth-leakage protector generally can trip behind the table, but earth-leakage protector refuses after the table under the individual condition, table case master switch tripping operation, cause whole table case not to have the electricity like this, power supply company salvagees personnel can not judge after coming that the table case master switch that the trouble in which resident family caused more than grade tripping operation, only need temporarily to table case master switch power transmission, the domestic appliance of electric leakage or the wire of broken skin electric leakage in the resident family of a period of time probably arouse table case master switch tripping operation once more, frequently have a power failure but can not find the reason.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the reason of power failure cannot be determined after the meter box main switch is tripped out in an override way in the prior art, the utility model provides an intelligent leakage detector based on a low-voltage distribution network, which detects whether the load side of a leakage protector behind each meter has voltage in real time and judges whether power failure occurs; whether live wire and zero line of the load side of the leakage protector have leakage current behind each meter is detected, and the repair personnel can conveniently judge the fault position and the power failure reason.

The technical proposal of the utility model is as follows.

Intelligent electric leakage detector based on low voltage distribution network includes:

the host is arranged in the meter box;

the voltage collecting head comprises an insulating cover and an adsorption contact, wherein the adsorption contact is made of magnetic conductive metal, the adsorption contact is adsorbed on a live wire nut of the earth leakage protector behind the meter, the adsorption contact is wrapped by the insulating cover, one end of a wire penetrates through the insulating cover to be connected with the adsorption contact, and the other end of the wire is connected with the host;

the current acquisition module comprises a current inductor and a wire, wherein the current inductor surrounds the circuit of the live wire and the zero line of the leakage protector behind the meter, and the wire is connected with the current inductor and the host.

The utility model discloses on installing in table case and table rear earth-leakage protector with the mode of having a power failure, can be applicable to most service environment, consequently can install additional on the basis of original table case, need not redesign table case or other equipment, assembly cost is low to voltage and current information who gathers can help the salvage personnel to judge the position that has a power failure, improve maintenance efficiency, it is long when reducing the power failure.

Preferably, the adsorption surface of the adsorption contact is provided with cross grains, and the cross grains are matched with a groove of a live wire nut of the earth leakage protector behind the watch.

Preferably, the host machine supplies power by connecting the A-phase live wire and the zero wire.

Preferably, the host is further provided with a communication module and an antenna.

Preferably, the host computer includes host computer body and binding post row, the binding post row is equipped with a plurality of binding posts, binding post passes through wire connection voltage pick head and current inductor.

Preferably, the terminal blocks have six voltage terminals and six current terminals, respectively, and are disposed on both sides of the terminal block, and the power supply terminals are individually disposed on one side of the terminal block.

The beneficial effects of the utility model include: install in the table case and on table rear earth-leakage protector with the mode of having a power failure, can be applicable to most service environment, consequently can install additional on the basis of original table case, need not redesign table case or other equipment, assembly cost is low to the voltage and the electric current information of gathering can help salvage personnel to judge the position of having a power failure, improve maintenance efficiency, it is long when reducing to have a power failure.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the invention;

the figure includes: 1-voltage acquisition head, 2-current acquisition module, 3-host computer, 4-behind-meter leakage protector.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present invention.

Wherein in the description of the embodiments of the present application, "/" indicates an inclusive meaning, for example, a/B may indicate a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present embodiment, the meaning of "a plurality" is two or more unless otherwise specified.

Example (b):

as shown in fig. 1 and 2, the intelligent leakage detector based on the low-voltage distribution network comprises:

the host machine 3 is arranged in the meter box, supplies power by connecting an A-phase live wire and a zero line, and is provided with a communication module and an antenna.

The voltage collecting head 1 comprises an insulating cover and an adsorption contact, wherein the adsorption contact is made of magnetic conductive metal, the adsorption contact is adsorbed on a live wire nut of the post-surface leakage protector 4, the adsorption contact is wrapped by the insulating cover, one end of a lead penetrates through the insulating cover to be connected with the adsorption contact, and the other end of the lead is connected with a host; the adsorption surface of the adsorption contact is provided with cross grains, and the cross grains are matched with a groove of a live wire nut of the earth leakage protector behind the watch.

And the current acquisition module 2 comprises a current inductor and a wire, the current inductor surrounds the circuit of the live wire and the zero line of the leakage protector behind the meter, and the wire is connected with the current inductor and the host. The principle of current mutual inductance is utilized for detection, so that power failure installation is not needed.

The main machine comprises a main machine body and a wiring terminal strip, wherein the wiring terminal strip is provided with a plurality of wiring terminals, and the wiring terminals are connected with the voltage collecting head and the current inductor through wires.

In the wiring terminal, six voltage terminals and six current terminals are respectively arranged on two sides of the wiring terminal row, and the power supply terminal is independently arranged on one side of the wiring terminal row.

In addition, the host computer records the leakage current and the occurrence time of the leakage protector behind the meter when the live wire voltage of the leakage protector behind the meter returns to zero.

The embodiment can detect whether the load side of the rear leakage protector of each meter has voltage in real time and judge whether power failure occurs; whether live wire and zero line of detecting behind every table earth-leakage protector load side have the leakage current, gather whole leakage currents in the twinkling of an eye in the power failure, send to equipment owner's believe the public a little on, contrast, the biggest resident of that kind is exactly the reason that causes the trouble, behind other tables earth-leakage protector separating brake, just can resume table case master switch power transmission.

This embodiment sets up at the table incasement through the mounting means who exempts from to have a power failure, can gather relevant data in the twinkling of an eye in the power failure, and the personnel of being convenient for salvage judge the trouble, reduce the power off time, improve maintenance efficiency.

Through the description of the above embodiments, those skilled in the art will understand that, for convenience and simplicity of description, only the division of the above functional modules is used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of a specific device is divided into different functional modules to complete all or part of the above described functions.

Through the description of the above embodiments, those skilled in the art will understand that, for convenience and simplicity of description, only the division of the above functional modules is used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the above described functions.

Units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, may be located in one place, or may be distributed to a plurality of different places. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. Intelligent electric leakage detector based on low voltage distribution network, its characterized in that includes:

the host is arranged in the meter box;

the voltage collecting head comprises an insulating cover and an adsorption contact, wherein the adsorption contact is made of magnetic conductive metal, the adsorption contact is adsorbed on a live wire nut of the earth leakage protector behind the meter, the adsorption contact is wrapped by the insulating cover, one end of a lead penetrates through the insulating cover to be connected with the adsorption contact, and the other end of the lead is connected with the host;

2. The intelligent leakage detector based on the low-voltage distribution network as claimed in claim 1, wherein cross-shaped patterns are arranged on the adsorption surface of the adsorption contact, and the cross-shaped patterns are matched with grooves of a live wire nut of the leakage protector behind the meter.

3. The intelligent low-voltage distribution network-based leakage detector according to claim 1, wherein said main machine is powered by connecting a phase a live line and neutral line.

4. The intelligent leakage detector based on the low-voltage distribution network as claimed in claim 1, wherein the host is further provided with a communication module and an antenna.

5. The intelligent leakage detector based on the low-voltage distribution network is characterized in that the host comprises a host body and a wiring terminal row, the wiring terminal row is provided with a plurality of wiring terminals, and the wiring terminals are connected with a voltage collecting head and a current inductor through leads.

6. The intelligent leakage detector based on the low-voltage distribution network as claimed in claim 5, wherein the connection terminals have six groups of voltage terminals and six groups of current terminals, which are arranged on two sides of the connection terminal row, and the power supply terminals are individually arranged on one side of the connection terminal row.