CN219224959U - Anti-electricity-stealing detection mechanism - Google Patents
Anti-electricity-stealing detection mechanism Download PDFInfo
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- CN219224959U CN219224959U CN202222951474.7U CN202222951474U CN219224959U CN 219224959 U CN219224959 U CN 219224959U CN 202222951474 U CN202222951474 U CN 202222951474U CN 219224959 U CN219224959 U CN 219224959U
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Abstract
The utility model particularly relates to the technical field of electric energy detection, and provides an anti-electricity-stealing detection mechanism. The electric energy meter is connected with the first current transformer, acquires the real-time current value of the power transmission line through the first current transformer, is connected with the special transformer acquisition terminal, inputs the detected real-time current value to the special transformer acquisition terminal, is connected with the second current transformer, acquires the detection current value of the power transmission line through the second current transformer, and when the real-time current value is inconsistent with the detection current value, the special transformer acquisition terminal generates an alarm signal and uploads the alarm signal to the master station terminal through the communication device. By comparing the two current values, the electricity stealing behavior is found in time, and by means of related alarms, workers can deal with the electricity as soon as possible, so that loss is reduced, and electricity utilization safety is realized.
Description
Technical Field
The utility model belongs to the technical field of electric energy detection, and particularly relates to an anti-electricity-stealing detection mechanism.
Background
The electric power resource is widely used as a clean energy source, but with the whole coverage of a power supply network, the problems of electricity stealing and electricity stealing are increasingly serious, the specific modes include reverse meter use, lead seal counterfeiting, bridging reverse connection and the like, the electricity stealing behavior can cause larger economic loss for power supply enterprises, the electricity utilization order is disturbed, meanwhile, the electricity stealing behavior usually artificially damages a meter body or violently opens an electric energy meter box to operate, so that the electric energy meter box is seriously short-circuited, burnt or destroyed, and the electricity utilization safety of vast users is seriously threatened.
Disclosure of Invention
The present utility model provides an anti-electricity-theft detection mechanism for detecting whether electricity theft exists, comprising: the system comprises an electric energy meter, a special transformer acquisition terminal, a first current transformer and a second current transformer;
a communication device is arranged in the special transformer acquisition terminal;
the electric energy meter is connected with a first current transformer, and a real-time current value of the power transmission line is obtained through the first current transformer;
the electric energy meter is connected with the special transformer acquisition terminal, and the detected real-time current value is input to the special transformer acquisition terminal;
the special transformer acquisition terminal is connected with a second current transformer, and a detection current value of the power transmission line is obtained through the second current transformer;
when the real-time current value is lower than the detection current value, the special transformer acquisition terminal generates an alarm signal, and the alarm signal is uploaded to the master station terminal through the communication device.
Preferably, a prepaid card meter is also included;
the special transformer acquisition terminal is connected with the prepaid card meter and controls the prepaid card meter to disconnect the power transmission line.
Preferably, the first measuring terminal box is further included;
the input end of the first measuring junction box is connected with a first current transformer;
the electric energy meter, the prepaid card meter and the special transformer acquisition terminal are respectively connected with the output end of the first metering junction box.
Preferably, a second metering junction box is also included;
the input end of the second measuring junction box is connected with a second current transformer;
the output end of the second metering junction box is connected with the special transformer acquisition terminal.
Preferably, the first metering junction box is provided with a plurality of terminals;
the terminals are spaced 3 cm apart.
Preferably, a storage is arranged in the special transformer acquisition terminal, and the real-time current value and the detection current value are stored through the storage.
From the above technical scheme, the utility model has the following advantages:
the utility model sets two current transformers to detect the transmission line, compares the detected current values, and sends an alarm to the master station terminal in time when the two current values are inconsistent. Meanwhile, the special transformer acquisition terminal disconnects the power input of the power transmission line through the prepaid card meter, so that the power utilization safety is ensured, and timely damage stopping is realized. The utility model carries out wiring regulation on the butt line through the metering junction box, and when the electricity stealing behavior is detected, workers can safely exchange or test the electric energy meter on site under the condition of load. The wiring terminals in the metering junction box are provided with 3 cm intervals, so that when workers use tools such as screwdrivers to detach wires, enough operation space is provided, and short-circuit connection is not easy to cause due to false touch. According to the utility model, the detected real-time current value and the detected current value are recorded through the storage, so that the evidence of electricity stealing can be reserved for staff.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an anti-electricity-theft detection mechanism.
Fig. 2 is a schematic view of a first metering junction box.
Fig. 3 is a communication schematic.
In the figure: 1-electric energy meter, 2-prepayment card meter, 3-special transformer acquisition terminal, 4-first measurement terminal box, 5-second measurement terminal box, 7-second current transformer, 8-first current transformer, 9-terminal, 10-main website terminal, 31-communication device, 30-accumulator.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
The utility model provides an anti-electricity-stealing detection mechanism, as shown in figures 1 to 3, comprising: the system comprises an electric energy meter 1, a special transformer acquisition terminal 3, a first current transformer 8 and a second current transformer 7. The electric energy meter 1 adopts a three-phase four-wire system electric energy meter. An electric control board is arranged in the special transformer acquisition terminal 3, and a singlechip, a memory 30 and a communication device 31 are arranged on the electric control board, wherein the singlechip adopts STC series singlechip or AT89C51 singlechip. The storage 30 includes a card reader and an IF memory card. The special transformer acquisition terminal 3 stores real-time current values and detection current values according to time sequence through the storage 30, and a worker pulls out an IF memory card to insert into a computer or a handheld intelligent terminal, so that the real-time current values and the detection current values in a certain period can be checked and compared.
The electric energy meter 1 is connected with a first current transformer 8, acquires a real-time current value of a power transmission line through the first current transformer 8, the electric energy meter 1 is connected with the special transformer acquisition terminal 3, the detected real-time current value is input to the special transformer acquisition terminal 3, the special transformer acquisition terminal 3 is connected with a second current transformer 7, and acquires a detection current value of the power transmission line through the second current transformer 7. When the private transformer acquisition terminal 3 detects that the real-time current value is inconsistent with the detected current value, the private transformer acquisition terminal 3 generates an alarm signal, and the alarm signal is uploaded to the master station terminal 10 through the communication device 31. The communication device 31 adopts a 4G communication module, and a special card for the 4G internet of things can be arranged in the 4G communication module in a pluggable manner. The master station terminal 10 is used for counting the electricity consumption data of all users in the monitoring area.
The utility model is also provided with the prepaid card meter 2, the prepaid card meter 2 is internally provided with the normally open contact, and the power transmission line is provided with the relay, when the private transformer acquisition terminal 3 is connected with the prepaid card meter 2, the normally open contact of the prepaid card meter 2 is controlled to be disconnected, and the power transmission line is correspondingly controlled to be disconnected, so that timely power failure and loss prevention are realized, and the technical effect of preventing electricity theft is achieved.
The utility model is also provided with a first metering junction box 4 and a second metering junction box 5, and the input end of the first metering junction box 4 is connected with a first current transformer 8. The electric energy meter 1, the prepaid card meter 2 and the private transformer acquisition terminal 3 are respectively connected with the output end of the first metering junction box 4. The input end of the second metering junction box 5 is connected with the second current transformer 7, and the output end of the second metering junction box 5 is connected with the special transformer acquisition terminal 3. The first metering junction box 4 is provided with a plurality of wiring terminals 9, an operating lever and a plugging slot, and the switching-on among the wiring terminals 9 is realized by pushing the operating lever to slide in the plugging slot. The wiring terminal 9 includes gland screw and preforming, is equipped with 3 centimetres intervals between every wiring terminal 9, guarantees that when the line from electric energy meter 1, prepayment card table 2, special change acquisition terminal 3 outlet end draws to the measurement terminal box wiring terminal 9, has sufficient operating space, prevents to touch adjacent wiring terminal 9 by mistake because of the screwdriver overlength, leads to accident such as short circuit power failure to take place. The utility model sets a safety distance of 3 cm interval, and effectively avoids tripping of equipment or electric shock of personnel caused by misoperation because the distance between the contacts of the prepaid card meter is too close. And live working is convenient to carry out, so that inconvenience brought to customer production due to power failure operation is reduced.
Based on the above arrangement, the present utility model is further described by means of a specific embodiment.
Between the first current transformer 8 and the first measuring junction box 4, between the first measuring junction box 4 and the electric energy meter 1, and inside the electric energy meter 1 are high-frequency regions in which electricity theft occurs. The electric energy meter 1 is caused to detect a current value and the electric energy value calculated from the current value does not match the actual power consumption.
In the utility model, the second current transformer 7 is additionally arranged at the upstream part of the transmission line, and the actual loss value of the transmission line is detected by bypassing the electric energy meter 1 through the second current transformer 7, wherein the second current transformer 7 can be other detection devices, so that the detection can also comprise the detection of voltage fluctuation, phase sequence and other electricity stealing behaviors aiming at an under-voltage method, an under-current method, a phase-shifting method and the like.
When the current value detected by the electric energy meter 1 is inconsistent with the current value detected by the second current transformer 7, the special transformer acquisition terminal 3 timely cuts off electric energy input through the prepaid card meter 2, and generates an alarm signal to be uploaded to the master station terminal 10 through the communication device 31. The alarm signal comprises the serial number information and the position information of the electric energy meter 1. The staff detects the electric energy meter 1 according to the alarm signal.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An anti-electricity-theft detection mechanism, comprising: the system comprises an electric energy meter, a special transformer acquisition terminal, a first current transformer and a second current transformer;
a communication device is arranged in the special transformer acquisition terminal;
the electric energy meter is connected with a first current transformer, and a real-time current value of the power transmission line is obtained through the first current transformer;
the electric energy meter is connected with the special transformer acquisition terminal, and the detected real-time current value is input to the special transformer acquisition terminal;
the special transformer acquisition terminal is connected with a second current transformer, and a detection current value of the power transmission line is obtained through the second current transformer;
when the real-time current value is inconsistent with the detection current value, the special transformer acquisition terminal generates an alarm signal, and the alarm signal is uploaded to the master station terminal through the communication device.
2. The anti-electricity-theft detection mechanism of claim 1, further comprising a prepaid card meter;
the special transformer acquisition terminal is connected with the prepaid card meter and controls the prepaid card meter to disconnect the power transmission line.
3. The anti-theft detection mechanism of claim 2, further comprising a first metering junction box;
the input end of the first measuring junction box is connected with a first current transformer;
the electric energy meter, the prepaid card meter and the special transformer acquisition terminal are respectively connected with the output end of the first metering junction box.
4. The anti-theft detection mechanism of claim 1, further comprising a second metering junction box;
the input end of the second measuring junction box is connected with a second current transformer;
the output end of the second metering junction box is connected with the special transformer acquisition terminal.
5. The anti-electricity-theft detection mechanism according to claim 3, wherein,
the first metering junction box is provided with a plurality of wiring terminals;
the terminals are spaced 3 cm apart.
6. The anti-electricity-theft detection mechanism according to claim 3, wherein,
and a storage is arranged in the special transformer acquisition terminal, and the real-time current value and the detection current value are stored through the storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222951474.7U CN219224959U (en) | 2022-11-04 | 2022-11-04 | Anti-electricity-stealing detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222951474.7U CN219224959U (en) | 2022-11-04 | 2022-11-04 | Anti-electricity-stealing detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219224959U true CN219224959U (en) | 2023-06-20 |
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ID=86741211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222951474.7U Active CN219224959U (en) | 2022-11-04 | 2022-11-04 | Anti-electricity-stealing detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219224959U (en) |
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2022
- 2022-11-04 CN CN202222951474.7U patent/CN219224959U/en active Active
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