A wiring structure for anti-electricity theft cable and its use method

Abstract

A wiring structure of an anti-electricity-theft cable comprises an anti-electricity-theft cable used as a live wire, wherein the anti-electricity-theft cable comprises a wire core, an inner protective layer, a metal protective layer and an outer protective layer from the inside to the outside. The invention provides a wiring structure of an anti-electricity-theft cable and a method for using the same, wherein two leakage protectors, one large and one small, are arranged, wherein the small leakage protector is used to detect leakage current during electricity theft and trip, and the large leakage protector is a conventional leakage protector normally used by users to protect loads. The two leakage protectors share a neutral line, and after the small leakage protector trips, the neutral line on the load side is cut off, so that when electricity theft occurs, the load can be immediately powered off.

Description

Technical Field

[0001] The invention relates to the technical field of power systems, and in particular to a wiring structure of an anti-electricity-theft cable and a use method thereof. Background Art

[0002] In the invention patent with the authorization announcement number CN210271891U, our company applied for protection of an intelligent anti-electricity theft and fireproof composite overhead insulated cable. The electricity theft detection part in this patent uses a current transformer to detect the current, and then calculates the current to obtain the approximate location where the electricity theft occurs. The device has a simple structure and is easy to use, but the measured current fluctuates greatly during actual use, and the location of the electricity theft cannot be accurately located. After the staff determines the approximate location where the electricity theft occurs, it still takes a long time to find the electricity theft point, and it is no longer possible to stop the electricity theft in the first place, and the work is relatively passive. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a wiring structure of an anti-electricity theft cable and a use method thereof, which can automatically cut off the power supply to the user when the user steals electricity.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a wiring structure of an anti-theft cable, comprising an anti-theft cable used as a live wire, the anti-theft cable comprising a wire core, an inner sheath, a metal protective layer and an outer sheath from the inside to the outside;

[0005] It also includes a large leakage protector and a small leakage protector. The wire core is connected to the live wire input terminal of the large leakage protector through a wire, the metal protective layer is connected to the live wire input terminal of the small leakage protector through a wire, the neutral wire input terminal of the small leakage protector is connected to the neutral wire, the live wire output terminal of the small leakage protector is grounded, and the neutral wire output terminal of the small leakage protector is connected to the neutral wire input terminal of the large leakage protector through a wire.

[0006] Preferably, a first wire clamp is clamped on the wire core, and the first wire clamp is connected to the live wire incoming terminal of the large leakage protector through a wire.

[0007] Preferably, second wire clamps are provided on both sides of the first wire clamp, the second wire clamps are clamped on the metal protective layer, and the two second wire clamps are connected to the live wire inlet terminal of the small leakage protector through wires.

[0008] Preferably, the metal protective layer is a corrugated copper sheath.

[0009] Preferably, the small leakage protector adopts a leakage protector with a rated current of 1A or 2A.

[0010] Preferably, the large leakage protector adopts a leakage protector with a rated current of more than 10A.

[0011] Preferably, the outlet terminal of the large leakage protector is connected to a load.

[0012] A method for using a wiring structure of an anti-electricity-theft cable comprises the following steps:

[0013] Step 1: strip the anti-theft cable at the location where the live wire needs to be led out to expose the wire core, install a first wire clamp on the wire core, and then connect the first wire clamp to the live wire inlet terminal of the large leakage protector through a wire;

[0014] Step 2: Strip the cables on both sides of the first wire clamp to expose the metal protective layer, and then install the second wire clamp on the metal protective layer. The two second wire clamps are connected to the live wire inlet of the small leakage protector through wires, and then the live wire outlet of the small leakage protector is grounded.

[0015] Step 3: Connect the neutral line to the neutral line inlet of the small leakage protector, and then connect the neutral line outlet of the small leakage protector to the neutral line inlet of the large leakage protector through a wire;

[0016] Step 4: Connect the output terminal of the large leakage protector to the load side, and then close the large leakage protector and the small leakage protector.

[0017] The present invention provides a wiring structure of an anti-electricity theft cable and a use method thereof. Two leakage protectors, one large and one small, are arranged. The small leakage protector is used to detect leakage current during electricity theft and trip, and the large leakage protector is a conventional leakage protector normally used by users to protect the load. The two leakage protectors share a neutral line. After the small leakage protector trips, the neutral line on the load side is cut off. When electricity theft occurs, the user can be immediately powered off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 This is another embodiment of the present invention. DETAILED DESCRIPTION

[0021] like Figure 1 As shown, a wiring structure of an anti-theft cable includes an anti-theft cable used as a live wire, and the anti-theft cable includes a wire core 1, an inner sheath, a metal protective layer 2 and an outer sheath 3 from the inside to the outside;

[0022] It also includes a large leakage protector 4 and a small leakage protector 6. The wire core 1 is connected to the live wire input terminal 5 of the large leakage protector through a wire, the metal protective layer 2 is connected to the live wire input terminal 7 of the small leakage protector through a wire, the neutral wire input terminal 8 of the small leakage protector is connected to the neutral wire, the live wire output terminal 9 of the small leakage protector is grounded, and the neutral wire output terminal 10 of the small leakage protector is connected to the neutral wire input terminal 11 of the large leakage protector through a wire.

[0023] Preferably, a first wire clamp 12 is clamped on the wire core 1, and the first wire clamp 12 is connected to the live wire inlet terminal 5 of the large leakage protector through a wire.

[0024] Preferably, second wire clamps 13 are provided on both sides of the first wire clamp 12, the second wire clamps 13 are clamped on the metal protective layer 2, and the two second wire clamps 13 are connected to the live wire inlet terminal connection 7 of the small leakage protector through wires.

[0025] Preferably, the metal protective layer 2 is a corrugated copper sheath.

[0026] Preferably, the small leakage protector 6 adopts a leakage protector with a rated current of 1A or 2A.

[0027] Preferably, the large leakage protector 4 adopts a leakage protector with a rated current of more than 10A.

[0028] Preferably, the output terminal of the large leakage protector 4 is connected to a load.

[0029] A method for using a wiring structure of an anti-electricity-theft cable comprises the following steps:

[0030] Step 1: strip the anti-electricity-theft cable at the position where the live wire needs to be led out to expose the wire core 1, install the first wire clamp 12 on the wire core 1, and then connect the first wire clamp 12 to the live wire inlet terminal 5 of the large leakage protector through a wire;

[0031] Step 2: strip the cable on both sides of the first wire clamp 12 to expose the metal protective layer 2, and then install the second wire clamp 13 on the metal protective layer 2. The two second wire clamps 13 are connected to the live wire inlet terminal 7 of the small leakage protector through wires, and then the live wire outlet terminal 9 of the small leakage protector is grounded;

[0032] Step 3: Connect the neutral line to the neutral line inlet terminal 8 of the small leakage protector, and then connect the neutral line outlet terminal 10 of the small leakage protector to the neutral line inlet terminal 11 of the large leakage protector through a wire;

[0033] Step 4: Connect the output terminal of the large leakage protector 4 to the load side, and then close the large leakage protector 4 and the small leakage protector 6.

[0034] like Figure 2As described above, the above structure is set at each lead of the live wire. When electricity theft occurs, the small leakage protector 6 closest to the electricity theft location is activated, tripped, and power is cut off. It is convenient for staff to quickly check and is very suitable for overhead lines of rural power grids and places that are difficult to reach in remote areas. The simple structure of two leakage protectors can achieve the effect of cutting off the power supply to users where electricity theft occurs. The structure is simple, the cost is low, and the reliability and practicality are strong.

[0035] When electricity theft occurs, the tools used by the thief to peel off the protective layer and steal electricity can easily come into contact with the wire core and the metal sheath at the same time, connecting the metal sheath, and the current flows into the earth through the grounding wire. The current transformer quickly operates and trips, thus cutting off the neutral line on the normal load side, causing a power outage. The staff can quickly check the users and nearby lines at the power outage location according to the power outage location, which can effectively prevent users and other people from stealing electricity.

[0036] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A wiring structure for an anti-electricity-theft cable, characterized in that: An anti-theft cable is provided for use as a live wire, wherein the anti-theft cable comprises, from inside to outside, a wire core (1), an inner sheath, a metal protective layer (2), and an outer sheath (3); It also includes a large leakage protector (4) and a small leakage protector (6), wherein the wire core (1) is connected to the live wire inlet terminal (5) of the large leakage protector through a wire, the metal protective layer (2) is connected to the live wire inlet terminal (7) of the small leakage protector through a wire, the neutral wire inlet terminal (8) of the small leakage protector is connected to the neutral wire, the live wire outlet terminal (9) of the small leakage protector is grounded, and the neutral wire outlet terminal (10) of the small leakage protector is connected to the neutral wire inlet terminal (11) of the large leakage protector through a wire; The outlet terminal of the large leakage protector (4) is connected to a load; The wire core (1) is clamped with a first wire clamp (12), and the first wire clamp (12) is connected to the live wire inlet terminal (5) of the large leakage protector via a wire; Second wire clamps (13) are provided on both sides of the first wire clamp (12), the second wire clamps (13) are clamped on the metal protective layer (2), and the two second wire clamps (13) are connected to the live wire inlet terminal (7) of the small leakage protector through wires; The metal protective layer (2) is a corrugated copper sheath; The small leakage protector (6) is a leakage protector with a rated current of 1A or 2A; The large leakage protector (4) is a leakage protector with a rated current of more than 10A.

2. A method for using a wiring structure of an anti-electricity-theft cable, characterized in that: The following steps are included: Step 1: stripping the anti-theft cable at the position where the live wire needs to be led out to expose the wire core (1), installing a first wire clamp (12) on the wire core (1), and then connecting the first wire clamp (12) to the live wire inlet terminal (5) of the large leakage protector through a wire; Step 2: stripping the cable on both sides of the first wire clamp (12) to expose the metal protective layer (2), and then installing the second wire clamp (13) on the metal protective layer (2), the two second wire clamps (13) are connected to the live wire inlet terminal (7) of the small leakage protector through wires, and then the live wire outlet terminal (9) of the small leakage protector is grounded; Step 3: Connect the neutral line to the neutral line inlet terminal (8) of the small leakage protector, and then connect the neutral line outlet terminal (10) of the small leakage protector to the neutral line inlet terminal (11) of the large leakage protector through a wire; Step 4: Connect the output terminal of the large leakage protector (4) to the load side, and then close the large leakage protector (4) and the small leakage protector (6).

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