CN106771445B - anti-electricity-theft device - Google Patents

Abstract

The invention provides an anti-stealing device, comprising a phase current acquisition unit, a delivery current acquisition unit, a user current acquisition unit, and a central processing unit, wherein the phase current acquisition unit, the delivery current acquisition unit, and the user current acquisition unit are all connected to the central processing unit connect. Due to the adoption of the above technical solution, the present invention simultaneously obtains the phase current value on the power transmission phase line, the output current value on the output side of each power distribution execution unit, and the input current value of each single-phase user, and judges the occurrence of power theft through the comparison of the three , greatly improving the intelligence level of the anti-theft alarm, and avoiding the defect of false alarm.

Description

Anti-theft device

technical field

The invention relates to the field of electric equipment, in particular to an anti-stealing device.

Background technique

For a long time, the phenomenon of stealing electricity has been a matter of great concern to power companies. Stealing electricity not only causes serious losses to national property, affects the economic benefits of power companies, but also brings a series of hidden safety hazards and social problems, which is extremely harmful. The problem of preventing electricity theft is a long-standing management problem in the power management department.

The existing anti-stealing technology inside the smart meter is relatively mature, but there are still difficulties in implementing the anti-stealing technology outside the meter. The anti-theft alarm effect is not good, and the set threshold is too small, which is prone to false alarms. Therefore, the existing anti-stealing scheme based on power comparison is difficult to accurately realize intelligent alarm in practical applications due to technical loss.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the above defects and provide an accurate and reliable anti-stealing device.

In order to solve the above problems, the technical solution adopted in the present invention is:

The anti-stealing device includes a phase current acquisition unit, a delivery current acquisition unit, a user current acquisition unit, and a central processing unit, and the phase current acquisition unit, the delivery current acquisition unit, and the user current acquisition unit are all connected to the central processing unit, wherein, The phase current collection unit is connected to the output phase wire of the power supply unit, and is used to collect the phase current value of the output phase wire of the power supply unit, and output the phase current value to the central processing unit, and the power supply unit converts the high-voltage electricity into The three-phase four-wire power supply of electricity, the phase current acquisition unit detects the phase currents of A phase, B phase and C phase respectively and outputs the current value of each phase to the central processing unit. The electric execution unit is correspondingly connected to a plurality of single-phase users, and the power distribution execution unit selects any phase line in the three-phase transmission line as a single-phase power supply line and outputs it to the single-phase user; the transmission current collection unit is electrically connected to the distribution The output line of the electric execution unit, each transmission current acquisition unit corresponds to a separate power distribution address code, the transmission current acquisition unit collects the output current value on the output line of the power distribution execution unit, and compares the collected output current value with the transmission current The power distribution address code corresponding to the acquisition unit is packaged and sent to the central processing unit; the user current acquisition unit is electrically connected to the input line of the single-phase user, and the user current acquisition unit collects the user current value of the single-phase user input line. The current acquisition unit corresponds to a separate user address code. The user current acquisition unit collects the input current value of the single-phase user input line, and packages the collected input current value and the user address code corresponding to the user current acquisition unit to the central processing unit. ; The central processing unit processes the obtained phase current value, output current value and input current value to determine whether power stealing occurs on the power supply line of the power supply unit, and the central processing unit is connected with a remote monitoring terminal for communication. The terminal communicates with a mobile terminal, the remote monitoring terminal is a PC, and the mobile terminal includes a housing, the housing is provided with a display area and an operation area, a cover plate is hinged on the housing, and a first handle is hinged on the housing , the cover plate is hinged with a second handle, the first handle is telescopically provided with a pole, the second handle is correspondingly provided with a pit, the side of the pole is provided with a plurality of first grooves, the An adjusting rod is rotatably arranged on the first handle, and a second groove (9) is arranged on the side of the adjusting rod, and the adjusting rod is set in cooperation with the first groove.

As an improvement, a touch screen is provided on the display area.

As an improvement, the operating area is provided with a USB socket, an earphone socket, a warning light and a switch.

As an improvement, the first handle is provided with an adjustment rod groove, and the adjustment rod is arranged in the adjustment rod groove.

As an improvement, the phase current acquisition unit, the delivery current acquisition unit and the user current acquisition unit are all connected to the central processing unit through wireless or power carrier communication.

As an improvement, the power supply unit is a distribution transformer.

As an improvement, the output side of the power distribution execution unit is further provided with a relay for controlling the output, and the relay is connected to the central processing unit through communication.

Owing to adopting above-mentioned technical scheme, beneficial effect of the present invention is:

1. The anti-stealing device simultaneously obtains the phase current value on the transmission phase line, the output current value of the output side of each power distribution execution unit and the input current value of each single-phase user, and judges the occurrence of electricity theft through the comparison of the three, greatly The intelligent level of the anti-theft alarm is improved, and the defect of false alarm is avoided.

2. The anti-stealing device can judge the difference between the three-phase four-wire power supply and the power distribution execution unit by comparing the difference between the phase current value and the sum of the output current value of the output side of the power distribution execution unit connected to the phase line. Whether power stealing occurs on the power supply line of the power distribution execution unit, and by comparing the output current value of the output side of the power distribution execution unit with the input current value of the single-phase user corresponding to the power distribution execution unit, it can be judged on the power supply branch of the power distribution execution unit Whether electricity theft occurs, the information sent by the transmission current acquisition unit contains a separate power distribution address code, and the information sent by the user current acquisition unit contains a separate user address code, so that the accuracy of the anti-theft electricity alarm is improved , and can identify the location where the electricity theft occurs, so as to provide help for identifying the electricity theft accident as early as possible and dealing with the electricity theft accident as early as possible.

3. The anti-stealing device does not need to use commercial power by setting the first photovoltaic power supply unit, the second photovoltaic power supply unit and the third photovoltaic power supply unit, so as to achieve the purpose of energy saving and environmental protection.

4. The storage unit of the anti-stealing device is used to store the data information obtained by the central processing unit for later viewing, and the watchdog unit is used to reset the central processing unit when there is a logic problem, so as to realize the unmanned state. continuous work.

The present invention will be further described below in conjunction with drawings and embodiments.

Description of drawings

Accompanying drawing 1 is the structural representation of anti-stealing device of the present invention;

Accompanying drawing 2 is the electric connection structural schematic diagram of anti-stealing device of the present invention;

Accompanying drawing 3 is the structure schematic diagram of the mobile terminal in the anti-stealing device of the present invention;

Accompanying drawing 4 is the side view of Fig. 4;

Accompanying drawing 5 is the structure diagram of the first handle in the anti-theft device of the present invention;

Accompanying drawing 6 is the structural diagram of the strut in the anti-stealing device of the present invention.

In the figure: 1-three-phase four-wire power supply; 2-distribution transformer; 3-phase current acquisition unit; 4-first photovoltaic power supply unit; 5-distribution alarm unit; 6-distribution execution unit; 7-220V power supply ; 8-single-phase user; 9-the second groove; 10-transmission current collection unit; 11-second photovoltaic power supply unit; 12-user current collection unit; 13-third photovoltaic power supply unit; 14-user alarm unit; 15-central processing unit; 16-watchdog unit; 17-storage unit; 18-remote monitoring terminal; 19-mobile terminal; USB interface; 25-switch; 26-cover; 27-first handle; 28-second handle; 29-rod; 30-pit; 31-first groove; .

Detailed ways

Example:

As shown in Figures 1 to 6, the anti-stealing device includes a phase current acquisition unit 3, a delivery current acquisition unit 10, a user current acquisition unit 12 and a central processing unit 15, and the phase current acquisition unit 3, the delivery current acquisition unit 10 1. The user current collection unit 12 is connected to the central processing unit 15, wherein the phase current collection unit 3 is connected to the output phase line of the power supply unit, and is used to collect the phase current value of the output phase line of the power supply unit, and output the phase current value For the central processing unit 15, the power supply unit converts the high-voltage power into a three-phase four-wire power supply 1 of domestic electricity, and the phase current acquisition unit 3 detects the phase currents of the A phase, the B phase and the C phase respectively and The phase current value is output to the central processing unit 15, and the three-phase four-wire power supply 1 is correspondingly connected to a plurality of single-phase users 8 through a plurality of power distribution execution units 6, and the power distribution execution unit 8 gates any of the three-phase transmission lines. The one-phase line is output to the single-phase user 8 as a single-phase power supply line; the transmission current acquisition unit 10 is electrically connected to the output line of the power distribution execution unit 6, and each transmission current acquisition unit 10 corresponds to a separate power distribution address code The transmission current collection unit 10 collects the output current value on the output line of the power distribution execution unit 6, and sends the collected output current value and the power distribution address code corresponding to the transmission current collection unit 10 to the central processing unit 15; The user current collection unit 12 is electrically connected to the input line of the single-phase user. The user current collection unit 12 collects the user current value of the single-phase user input line. Each user current collection unit 12 corresponds to a separate user address code. The unit 12 collects the input current value of the single-phase user input line, and packs the input current value collected and the user address code corresponding to the user current collection unit 12 to the central processing unit 15; The current value, the output current value and the input current value are processed to determine whether electricity stealing occurs on the power supply line of the power supply unit. The central processing unit 15 is connected to a remote monitoring terminal 18 by communication, and the remote monitoring terminal 18 is connected to a mobile terminal 19 by communication. The remote monitoring terminal 18 is a PC, the mobile terminal 19 includes a casing 20, the casing 20 is provided with a display area 21 and an operating area, the casing 20 is hinged with a cover plate 26, and the casing 20 is hinged with a The first handle 27, the second handle 28 is hinged on the cover plate 26, the first handle 27 is telescopically provided with a pole 29, the second handle 28 is correspondingly provided with a pit 30, the side of the pole 29 A plurality of first grooves 31 are provided, and an adjustment rod 33 is rotatably arranged on the first handle 27 , and a second groove 9 is arranged on the side of the adjustment rod 33 , and the adjustment rod 33 is set in cooperation with the first groove 31 . A GPRS communication unit is provided between the PC and the connected mobile terminal 19 . The power supply unit is a distribution transformer.

The remote monitoring terminal 18 is used to receive the electricity theft alarm information generated by the central processing unit 15, and the remote monitoring terminal 18 sends the alarm information to the mobile terminal 19 of the corresponding responsible person according to the area where the alarm information is located, so that the corresponding responsible person can handle it in time Electricity theft accident.

The display area 21 is provided with a touch screen. The operating area is provided with a USB socket 24 , an earphone socket 23 , a warning light 22 and a switch 25 .

The first handle 27 is provided with an adjusting rod groove 32 , and the adjusting rod 33 is disposed in the adjusting rod groove 32 .

The phase current acquisition unit 3 , the delivery current acquisition unit 10 and the user current acquisition unit 12 are all connected to the central processing unit 15 through wireless or power carrier communication.

The output side of the power distribution execution unit 6 is also provided with a relay for controlling the output, and the relay is connected to the central processing unit 15 in communication.

The power supply unit is provided with a power distribution alarm unit 5 , and the single-phase user 8 is provided with a user alarm unit 14 , and both the power distribution alarm unit 5 and the user alarm unit 14 are connected to a central processing unit 15 through communication.

It also includes a first photovoltaic power supply unit 4, a second photovoltaic power supply unit 11 and a third photovoltaic power supply unit 13, the first photovoltaic power supply unit 4 is electrically connected to the power distribution alarm unit 5, the phase current acquisition unit 3 and the central processing unit 15, so The second photovoltaic power supply unit 11 is electrically connected to the delivery current collection unit 10 , and the third photovoltaic power supply unit 13 is electrically connected to the user current collection unit 14 and the user alarm unit 14 .

The CPU 15 is electrically connected to a storage unit 17 and a watchdog unit 16 .

There is a 220V power supply 7 between the power distribution execution unit 6 and the single-phase user 8 .

An embodiment of the present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall belong to the scope covered by the patent of the present invention.

Claims (6)

1. anti-electricity-theft device, it is characterised in that: including phase current acquisition unit (3), conveying current acquisition unit (10), Yong Hu electricity Acquisition unit (12) and central processing unit (15) are flowed, the phase current acquisition unit (3), is used conveying current acquisition unit (10) Family current acquisition unit (12) is connect with central processing unit (15), wherein the phase current acquisition unit (3) is connected to power supply Unit exports phase line, for acquiring the phase current values of power supply unit output phase line, and phase current values is exported to central processing unit (15), high-voltage electricity is converted to the three-phase four-wire power (1) of household electricity, phase current acquisition unit (3) point by said supply unit The other phase current to A phase, B phase and C phase detect and export each phase current values giving central processing unit (15), the three-phase four Line power supply (1) is correspondingly connected to multiple single-phase users (8), distribution execution unit (8) gating through multiple distribution execution units (6) Any phase line in three phase line is as single phase power supply circuit output to single-phase user (8)；The conveying current acquisition Unit (10) is electrically connected to the output line of distribution execution unit (6), and each conveying current acquisition unit (10) is corresponding with individually Distribution address code, conveying current acquisition unit (10) acquisition distribution execution unit (6) output line on output current value, and will The output current value of acquisition distribution address code corresponding with conveying current acquisition unit (10) is transmitted to central processing unit (15)；User's current acquisition unit (12) is electrically connected to the input line of single-phase user, user's current acquisition unit (12) User's current value of single-phase user's input line is acquired, each user's current acquisition unit (12) is corresponding with individual station address Code, user's current acquisition unit (12) acquire the input current value of single-phase user's input line, and by the input current value of acquisition with The corresponding user code of user's current acquisition unit (12), which transmits, gives central processing unit (15)；The central processing unit (15) phase current values of acquisition, output current value and input current value are handled, to judge the power supply line of power supply unit On stealing whether occurs, central processing unit (15) communication link is connected to remote monitoring terminal (18), remote monitoring terminal (18) It communicates to connect mobile terminal (19), the remote monitoring terminal (18) is PC, and the mobile terminal (19) includes shell (20), institute It states shell (20) and is equipped with viewing area (21) and operating space, be hinged with cover board (26) on the shell (20), the shell (20) On be hinged with the first in command (27), be hinged with second handle (28) on the cover board (26), can be stretched on the first in command (27) Contracting is provided with strut (29), and the second handle (28) is correspondingly provided with pit (30), and strut (29) side is equipped with several the One groove (31) is rotated on the first in command (27) and is provided with adjusting rod (33), and adjusting rod (33) side is equipped with second Groove (9), the adjusting rod (33) are equipped with the first groove (31)；

The first in command (27) is equipped with adjusting rod slot (32), and the adjusting rod (33) is set in adjusting rod slot (32).

2. anti-electricity-theft device according to claim 1, which is characterized in that the viewing area (21) is equipped with touch screen.

3. anti-electricity-theft device according to claim 1, which is characterized in that the operating space is equipped with USB jack (24), ear Machine transplanting of rice mouth (23), warning lamp (22) and switch (25).

4. anti-electricity-theft device according to claim 1, which is characterized in that the phase current acquisition unit (3), conveying electric current Acquisition unit (10) connects central processing unit by wireless or power line carrier, PLC with user's current acquisition unit (12) (15)。

5. anti-electricity-theft device according to claim 1, which is characterized in that said supply unit is distribution transformer (2).

6. anti-electricity-theft device according to claim 5, which is characterized in that distribution execution unit (6) outlet side is also set There is the relay for controlling output, relay communicates to connect central processing unit (15).