CN201001024Y

CN201001024Y - Anti-theft automated management system in electric network

Info

Publication number: CN201001024Y
Application number: CNU200720089175XU
Authority: CN
Inventors: 何诺
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-15
Filing date: 2007-01-15
Publication date: 2008-01-02
Anticipated expiration: 2017-01-15

Abstract

The utility model discloses an automatic management system to prevent from stealing power in the electric network, which comprises a bottom seat fixed with a transformer, and a box body on the bottom seat. An electric energy meter and an alternating current mutualinductor are arranged in the box body, ceramic wire holders are respectively arranged at the upper end and the lower end of the box body, the wire holders are connected through a lead, the lead is respectively threaded through the alternating current mutualinductor in the connecting process and connected with the output line of the transformer in the bottom seat through the connecting wire of the ceramic wire holder at the lower part. The lead is connected with a consumer cable conductor outside through the ceramic wire holder at the lower part, the output line of the alternating current mutualinductor is respectively connected with the electric energy meter, to prevent from the electric larceny behavior such as broken circuit, bifurcation, commutation for changing the system wiring. A speech circuit and a high voltage generator circuit are increased which are used for preventing from manually destroying the box body. Because the bidirectional wireless sending and receiving are adopted, the long-distance meter reading and the supply of the long-distance control electric power are realized, and the great convenience for the power supply department to manage is provided.

Description

Prevent to steal the automated management system of electricity in the electrical network

Affiliated field

This is novel to belong to power department provides the equipment of electric energy to the user, the automated management system that prevents to steal electricity when especially relating to a kind of electric power output.

Technical background

Power supply department owing to use electric current can't directly measure more greatly, in general all uses D.C mutual-inductor to cooperate electric energy meter to measure in the metering process to the three-phase electricity user at present.Change in this metering system that system wiring such as electric current line open circuit, shunt, table, phase line and zero line exchanges, the pressure-wire phase failure, commutation are fallen in commutation, commutation, instrument transformer reverse current, the zero line band is pressed even cut off means such as metering system and carry out stealing, the very difficult discovery of power department sometimes and searching.For this reason Patent Office to disclose the patent No. be 90204318,8 three-phase anti-tamper device technology, this patent is arbitrarily changed the metering system wiring to the user plays a role line broken circuit, shunting, commutation etc., but the strick precaution etc. of electric energy meter zero line band being pressed, cut off metering system, sled table case, theft complete machine has just seemed obviously not enough, real monitoring and remote meter-reading function when also having simultaneously.

Summary of the invention

This novel purpose is: provide a kind of can prevent stealing again can remote meter reading and the time real monitoring automated management system.It can not only to change system wiring as open circuit, shunt, electricity filching behavior such as commutation takes precautions against; but also possess the behavior of zero line band pressure, sled table case, theft complete machine is monitored and is taken precautions against, also possess simultaneously remote meter reading, the time real monitoring, the offender attacked self-protection prevent the function destroyed.

This novel technical scheme is for achieving the above object: the automated management system that prevents to steal electricity in the electrical network that uses when a kind of electric power is exported; It comprises the base that is fixed together with transformer and the casing on the base, electric energy meter is housed in the casing, D.C mutual-inductor, on the casing, the lower end is equipped with ceramic junction block A ' respectively, B ', C ', D ' and A, B, C, D etc., between A ' and A, between B ' and the B, between C ' and the C, there is lead to be connected respectively between D ' and the D, lead passes D.C mutual-inductor respectively in the process that connects, and the ceramic junction block A by the bottom, B, C, the line of D centre directly is connected with the transformer output line in the base, wherein D is connected with zero line, lead is by the ceramic junction block A ' on top, B ', C ', line in the middle of the D ' is connected with the external user cable, D.C mutual-inductor E, F, the output line of G is connected with electric energy meter respectively, it is characterized in that: D.C mutual-inductor E, F, when the output line of G is connected with electric energy meter, there is one to pass a current sensor jointly respectively, also have the output line of an instrument transformer Q to pass ringwise in this transducer, another root output line of D.C mutual-inductor E passes the another current sensor separately, and the lead that electric energy meter is connected with zero line passes the another current sensor.

In order accurately to control whole system the Single-chip Controlling box is housed in casing, current sensor links to each other with the Single-chip Controlling box respectively.

For can the time real monitoring whole system, wireless transmission and receiving circuit are housed in control box.

For can be when having a power failure warning system continue to operate in the accumulate pond be housed in the casing.

Pry open the behavior of cabinet by force in order to monitor lawless people, in casing, trigger switch is installed with the corresponding place of machine box door.

In order to monitor lawless people mobile box or theft transformer, mercoid switch is housed in the bottom of casing.

For convenience of the needs of power supply department remote meter reading, the electric energy meter of native system adopts the electric energy meter that pulse signal output is arranged.

A.C. contactor is equipped with in the supply of power supply department Long-distance Control electric power in casing for convenience.

In order to prevent the destruction of lawless people, sound circuit and high-voltage generator circuit are housed in the casing to casing.

The invention has the beneficial effects as follows:

The normal power consumption of limited subscriber not, whether normal way is monitored electricity filching behavior in the output of employing current sensor senses D.C mutual-inductor, whether detected D.C mutual-inductor itself simultaneously normal, open a way as Inside coil, the error in dipping that contact disconnection or corrosion etc. cause, and sound circuit and high-voltage generator circuit have been increased, prevent artificial destruction to casing, method is simply practical, owing to adopted double-direction radio to transmit and receive, installed A.C. contactor additional, realized the supply of remote meter reading and Long-distance Control electric power, very big convenience is provided for the management of power supply department.

Description of drawings

Further specify the present invention below in conjunction with accompanying drawing and by embodiment;

The casing inner structure schematic diagram of Fig. 1 embodiment 1;

The circuit diagram of Fig. 2 embodiment 1;

The circuit diagram of Fig. 3 embodiment 2;

Sound circuit schematic diagram among Fig. 4 embodiment 2;

The circuit theory diagrams of the high pressure generator among Fig. 5 embodiment 2;

Among the figure; 1, triggers connecting line; 2, trigger switch; 3, casing; 4, current sensor; 5, electric energy meter; 6, lead; 7, lead; 8, transmitting antenna; 9, holder; 10, machine box door; 11, lead; 12, lead; 13, output pulse signal line; 14, current sensor; 15, toroid; 16, current sensor; 17, control box; 18, accumulate pond; 19, base; 20, mercoid switch; 21, A.C. contactor.

Embodiment 1, as shown in Figure 1 and Figure 2; The 3rd, casing it and base 19 are as a whole, base 19 and firm being fixed together of power transformer, electric energy meter 5 is contained on the rear wall of casing, four D.C mutual-inductor E, F, G, Q be distributed on it below.The upper and lower end of casing is equipped with ceramic junction block A ', B ', C ', D ' and A, B, C, D etc. respectively, has lead 6 to be connected between A ' and A; There is lead 7 to be connected between B ' and the B; There is lead 11 to be connected between C ' and the C; There is lead 12 to be connected between D ' and the D,

lead

6,7,11,12 passes D.C mutual-inductor E, F, G, Q respectively in the process that connects, and the line in the middle of the ceramic junction block A by lower box, B, C, D and base 19 interior transformer output lines directly are connected, wherein D is connected with zero line, and lead is connected with the external user cable by ceramic junction block A ', B ', C ', the middle line of D ' on top respectively.The output line of D.C mutual-inductor E, F, G is connected with electric energy meter 5 respectively, and its connection and common electric energy meter are identical.Just the output line of D.C mutual-inductor E, F, G is when being connected with electric energy meter 5, there is one to pass a current sensor 14 jointly respectively, the output line 15 of going back an instrument transformer Q in this transducer passes ringwise, another root output line of D.C mutual-inductor E passes another current sensor 4 separately, the lead that electric energy meter 5 is connected with zero line 12 passes another current sensor 16, and their output signal line of this three

current sensors

4,14,16 is delivered to 17 li of control boxes respectively.Control box is equipped with single-chip microcomputer and control circuit for 17 li, single-chip microcomputer is by finding to the comparison of three current sensor signal whether the phase angle of three-phase electricity is offset, prevent that some people from utilizing the way that changes the phase angle to carry out stealing, simultaneously can check out whether zero line is with pressure, prevent artificial electricity filching behavior, whether this method has also detected D.C mutual-inductor itself normal and this is made judgement.The data of handling are outwards sent by transmitting antenna 8 by the radio transmitter of 17 li of control boxes, and by the receiving system reception of supervisory control desk, transmitting antenna 8 is fixed on the outside of casing 3 by holder 9.Do not transmit and to report to the police if artificial damage transmitting antenna, supervisory control desk just receive, illustrate that this control cabinet is destroyed or breaks down.For the behavior of monitoring lawless people sled cabinet takes place, in casing 3, trigger switch 2 is installed with machine box door 10 corresponding places, when lawless people was pried open the door of cabinet, trigger switch 2 closures were sent warning immediately by control circuit.When casing or transformer when mobile by force, even if cut off external power source, so owing to have accumulate pond 18 warning circuits in the machine and still work, the mercoid switch 20 that bottom half is installed will start, and sends warning immediately.For the electric energy meter of installing in the needs casing that adapts to remote meter reading 5 adopts the electric energy meter that pulse signal output is arranged.Single-chip microcomputer that control box is 17 li and control circuit and radio transmitter belong to known technology, repeat no more here.

Embodiment 2, present embodiment is substantially the same manner as Example 1, just power supply department can be in the supply of Long-distance Control electric power for convenience, A.C. contactor 21 is housed in casing, circuit control by 17 li of control boxes, because the wireless transmission of this machine and be received as two-way type, so administrative department can control opening and closing of A.C. contactor 21 in control centre very easily by wireless signal, thereby realizes the supply of Long-distance Control electric power.In order to increase deterrent force to lawless people, reduce it to device damage, present embodiment has increased audio alert and high-voltage electric shock device, as Fig. 4, shown in Figure 5, among Fig. 4 IC1 be the voice monograph to become the circuit model be ISD1420, it has formed voice typing storage system with element on every side, IC2 is that voice amplification circuit model is LM386D, LE1 is the high brightness luminescent pipe among the figure, and 12V voltage connects control box 17.Luminous tube glimmers luminous simultaneously when sound circuit is switched on.IC1 as required typing and storage of speech signals as: " theft of state property is the behavior that illegal activities please stop you immediately " " sent warning; please speed leave " " machine on high-tension electricity be in peril of one's life please speed leave " etc., when cabinet or transformer when mobile by force, trigger switch 2 or mercoid switch 20 start, acousto-optic circuit starts when control circuit outwards sends radio alarming, the blinking red lamp on the casing and with the sound of propagandaing directed to communicate.Fig. 5 is a high-voltage generator circuit, triode T1 and resistance R 60 and transformer ZB1 etc. form the high frequency oscillation circuit, after boosting, ZB1 obtains the high pressure more than 8 kilovolts, directly be connected with casing 3 by the output of S point, when the voice illuminating circuit was switched on, high-tension circuit was also connected simultaneously, make the shell of casing have high-voltage pulse, though this voltage is very high but electric current is very little, and it and the earth do not form the loop, can not work the mischief to life so can only shock by electricity human body.Thereby the lawbreaker is produced a kind of deterrent force, it is shied away, so this system has not only possessed anti-stealing electricity function, remote control function but also possessed self-protection and prevented the function destroyed.

Claims

1, prevents to steal the automated management system of electricity in a kind of electrical network; It comprises the base that is fixed together with transformer and the casing on the base, electric energy meter is housed in the casing, D.C mutual-inductor, on the casing, the lower end is equipped with ceramic junction block respectively, between junction block, there is lead to connect respectively, lead passes D.C mutual-inductor respectively in the process that connects, and directly be connected with transformer output line in the base by the line of bottom pottery junction block, lead is connected with the external user cable by the ceramic junction block on top, the output line of D.C mutual-inductor is connected with electric energy meter respectively, it is characterized in that: the output line of D.C mutual-inductor and electric energy meter (5) are when being connected, there is one to pass a current sensor (14) jointly respectively, the output line (15) of the other instrument transformer in this transducer passes ringwise, another root output line of D.C mutual-inductor E passes another current sensor (4) separately, and the lead that electric energy meter (5) is connected with zero line (12) passes another current sensor (16).

2, prevent to steal the automated management system of electricity in the electrical network as claimed in claim 1; It is characterized in that: Single-chip Controlling box (17) is housed in casing, and current sensor links to each other with the Single-chip Controlling box respectively.

3, prevent to steal the automated management system of electricity in the electrical network as claimed in claim 1 or 2; It is characterized in that: accumulate pond (18) is housed in casing, in the control box (17) of casing, wireless transmission and receiving circuit is housed.

4, as preventing to steal the automated management system of electricity in claim 1 or the 2 or 3 described electrical networks; It is characterized in that: with the corresponding place of machine box door trigger switch (2) is installed in casing, mercoid switch (20) is equipped with in the bottom of casing.

5, as preventing to steal the automated management system of electricity in claim 1 or the 2 or 3 described electrical networks; It is characterized in that: A.C. contactor is housed in casing, and sound circuit and high-voltage generator circuit are housed.