CN2253480Y - Double-metering single electric energy meter for avoiding or indicating fraudulent use of electricity - Google Patents
Double-metering single electric energy meter for avoiding or indicating fraudulent use of electricity Download PDFInfo
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- CN2253480Y CN2253480Y CN 96220130 CN96220130U CN2253480Y CN 2253480 Y CN2253480 Y CN 2253480Y CN 96220130 CN96220130 CN 96220130 CN 96220130 U CN96220130 U CN 96220130U CN 2253480 Y CN2253480 Y CN 2253480Y
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Abstract
The utility model relates to a double-metering single-phase electric energy meter for avoiding electricity theft, which comprises an electric energy meter, a current mutual inductor, a detection device for avoiding electricity theft and penalty, and an electricity penalty display. The input and the output of a phase line and a zero line of the electric energy meter are respectively connected with a primary coil of the current mutual inductor. A secondary induction coil of the current mutual inductor is electrically connected with the detection device for avoiding electricity theft and penalty. The penalty electricity display is mechanically connected with the driving motors of the electricity larceny preventing device and the penalty electricity detection device. The utility model which is provided with a penalty electricity device with electricity larceny metering has the characteristics of simple and compact structure, convenient use, reliable performance of electricity larceny prevention, etc.
Description
The utility model relates to the single-phase anti-electricity-theft electric energy meter of a kind of two meterings, particularly relates to a kind ofly having anti-electricity-theft and penalizing the single-phase anti-electricity-theft electric energy meter of two meterings of electric installation.
Electric energy meter great majority of the prior art do not have anti-stealing electricity function, growth along with industrial boom and national economy income, electrical appliance and power consumption sharply rise, stealing electricity phenomenon also increases simultaneously, and more and more serious, especially some factories, enterprise and high-power electricity consumer, its electricity filching means brilliant, make power supply department hard to guard against, caused serious economy loss to country, therefore electricity filching behavior is monitored, taken precautions against and hits in electricity consumption becomes a major issue.The technology of some anti-electricity-theft electric energy meters is arranged in the prior art, but obtain applying few, mainly be: 1. adopt mode easily to cause fault, and do not meet reality at electric energy meter internal cutting off power circuit; 2. the anti-electricity-theft device in electric energy meter easily influences the correct meter energy of electric energy meter, and fragile: 3. can not stop the short circuit current transformer, disconnect electric energy meter potential winding voltage, the current transformer and utilize big electric current to pour in down a chimney stealing modes such as making the dial plate counter-rotating of playing a reversed role; 4. there is not the metering of power-steeling quantity.
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of simple and compact for structure, and is easy to use, and anti-electricity-theft dependable performance has the single-phase anti-electricity-theft electric energy meter of two meterings of penalizing electric installation that stealing is measured.
The purpose of this utility model can reach by following measure: the single-phase anti-electricity-theft electric energy meter of two meterings includes electric energy meter, it is characterized in that also being provided with current transformer, anti-electricity-theft, penalize electric detection means and penalize electric display to constitute, each connects with the primary coil of a current transformer respectively for the input of electric energy meter phase line, zero line, output, the secondary induction coil of current transformer and anti-electricity-theft, penalize electric installation to electrically connect, penalize electric display to be connected with anti-electricity-theft, as to penalize electric installation driving motor shaft mechanical.Integrate thus active electric energy meter, current transformer and anti-electricity-theft, penalize electric installation and penalize electric display, make simple and compact for structure, easy to use, anti-electricity-theft dependable performance, and never influence the correct metering of electric weight.
The purpose of this utility model can also reach by following measure: the single-phase anti-electricity-theft electric energy meter of two meterings as shown in Figure 1, current transformer is a zero-sequence transformer, the current terminal 01 of the phase line L of electric energy meter by electric energy meter connects the input end of primary coil N3 of current transformer CT through output terminal, the current coil NA and the current terminal 03 of electric energy meter are connected to consumer, the current terminal 04 of zero line N by electric energy meter connects the input end of primary coil N2 of current transformer CT through output terminal, the current terminal 05 of electric energy meter is connected to consumer, the secondary induction coil N1 input end of current transformer CT and output terminal and anti-electricity-theft, penalize electric installation to electrically connect, the current terminal 01 of electric energy meter and 02 overlaps by hook, the 02 potential winding NV by electric energy meter connects 04.Form an independently current transformer container thus, outside case, leave power inleting terminal and leading-out terminal line bank, power supply is by input, receive load by output, one row and the corresponding binding post of connection box of electric energy meter end is housed above the current transformer container, during installation the binding post of current transformer container upper end is injected the wiring hole implementation positive connection of the terminals of electric energy meter, make electric energy meter and current transformer form an integral body, be convenient to power supply department and install.Thereby stopped the short circuit current transformer, disconnected electric energy meter potential winding voltage, the current transformer and utilize the big electric current to pour in down a chimney to make the stealing electricity method of dial plate counter-rotating of playing a reversed role.
The utility model is described in further detail to utilize accompanying drawing:
Fig. 1 is the structural representation of the single-phase anti-electricity-theft electric energy meter of a kind of two meterings of the present utility model;
In of the present utility model two metering Anti-fradulances shown in Figure 1, include electric energy meter 20, by transformer N3, N2, the Current Transmit that N1 consists of is ZCT, the current terminal 01 of electric energy meter 20,02,03,04,05, the phase line L of electric energy meter and zero line N and current coil NA and potential winding NV, anti-electricity-theft, penalize electric detection means by thick film integrator Ic, resistance R 1, R2, R3, R4, R5, R6 and, capacitor C 1, C2, C3, C4, C5 and C6, triode BG, diode D1, D2 and D3, voltage-stabiliser tube Z1 and Z2, LED, and micro-stepping motor M formation, penalize electric display G to connect with the shaft mechanical of micro-stepping motor M.
The utility model is described in further detail with the following Examples:
The single-phase anti-electricity-theft electric energy meter of two meterings of the present utility model as shown in Figure 1, it is anti-electricity-theft, penalize electric detection means by thick film integrator Ic, resistance R 1, R2, R3, R4, R5, R6 and, capacitor C 1, C2, C3, C4, C5 and C6, triode BG, diode D1, D2 and D3, stabilivolt Z1 and Z2, LED, and micro-stepping motor M constitutes, 1 of integrator Ic, 2 pin meet the secondary induction coil N1 of current transformer CT, 1, insert resistance R 5 between 2 pin, 5 pin connect transistor collector, and connect with 12 pin by resistance R 3,6 pin connect the emitter of triode, the anode of the anode of diode D2 and D3 and stabilivolt Z2,7 pin connect the anode of stabilivolt Z1, the negative electrode of the cathode capacitance C2 of Z2, the anode of C3 and the current terminal of electric energy meter 04,12 pin connect the negative electrode of stabilivolt Z1, the anode of the negative electrode of diode D1 and capacitor C 2,8 pin and 9 pin connect 7 pin by capacitor C 6 and C5 respectively, the negative electrode of light emitting diode and micro-stepping motor M, 10 pin and 3 pin connect 11 pin by capacitor C 4 and resistance R 6 respectively, 4 pin connect the micro-stepping motor M other end and pass through the anode of resistance R 7 sending and receiving optical diodes, the base stage of triode BG connects the negative electrode of diode D3 and connects 6 pin and current terminal 02 by resistance R 2 and R4 respectively, and diode D2 negative electrode connects the D1 anode and passes through resistance R 1, capacitor C 1 connects current terminal 01.。
A kind of pair of the present utility model is measured single-phase anti-electricity-theft electric energy meter as shown in Figure 1, and it penalizes electric display can be the electric display of penalizing of bidirectional measuring.Can prevent that thus electricity filching person from sending electricity and make electric energy meter dial plate counter-rotating from current transformer container leading-out terminal is counter.
That the utility model is provided with in electric energy meter is anti-electricity-theft, penalize electric detection means and penalize electric display, detect the stealing signal by current transformer CT, penalize electric display on electromagnetic circuit and mechanical circuit, to separate fully, work alone separately, be independent of each other, thus the accuracy when guaranteeing operate as normal effectively.The electric display of penalizing of bidirectional measuring can prevent that electricity filching person reversal connection phase line current terminal 01 and 03, neutral line current end 04 and 05 from making the dial plate counter-rotating.Anti-electricity-theft, penalize electric detection means capacitor C 1, resistance R 1 to constitute resistance-capacitance depressurization, by the rectification of diode D1 positive half-wave, capacitor C 2 filtering, voltage stabilizing diode Z1 voltage stabilizing, form positive electric signal and supply with 12 pin of integrator Ic, diode D2 bears 6 pin of half-wave rectification, capacitor C 3 filtering, voltage stabilizing diode Z2 voltage stabilizing formation negative electricity signal supply integrator Ic.When operate as normal, the coil N3 of the current transformer CT that flows through and the size of current of N2 equate that direction is opposite, and current transformer CT is in equilibrium state, the output of coil N1 no signal, and integrator Ic is in static state, and is anti-electricity-theft, penalize electric detection means to be failure to actuate.When electricity filching person short circuit current terminal 01,03 shunting or transposing zero line, phase line current terminal 01,04 also establishes earth loop in addition reduces or no current the electric current of the electric energy meter current coil NA that flows through, thereby make the normal metering of electric energy meter slow down or when stopping, because short circuit 01,03 shunting or the influence of establishing ground wire in addition, the coil N3 of current transformer CT flows through, the electric current of N2 is inevitable unequal, make current transformer CT out of trim, coil N1 exports electric signal, on pull-up resistor R5, form a voltage signal and send into 1 of integrator Ic, 2 pin, Ic is big through integrator, differentiate, anti-interference process, 4 pin output currents by integrator Ic drive micro-stepping motor M rotation, penalize electric display G to penalize the electricity metering thereby drive.When the hook of electricity filching person turn-off current end 01 and 02, the potential winding NV of electric energy meter loses voltage, the normal metering section of electric energy meter stops, but the while also loses voltage with the resistance R 4 that potential winding is in same current potential, triode BG is ended, form the decompression signal on resistance R 3, the 4 pin output currents driving micro-stepping motor M rotation by integrator Ic drives and penalizes electric display G to penalize the electricity metering.
What the utility model compared with prior art had the stealing of a being provided with metering penalizes the characteristics such as electric installation, simple and compact for structure, easy to use, anti-electricity-theft dependable performance.
Claims (4)
1. one kind pair is measured single-phase anti-electricity-theft electric energy meter, include electric energy meter, it is characterized in that also being provided with current transformer, anti-electricity-theft, penalize electric detection means and penalize electric display to constitute, each connects with the primary coil of a current transformer respectively for the input of electric energy meter phase line, zero line, output, the secondary induction coil of current transformer and anti-electricity-theft, penalize electric installation to electrically connect, penalize electric display to be connected with anti-electricity-theft, as to penalize electric installation driving motor shaft mechanical.
2. the single-phase anti-electricity-theft electric energy meter of two meterings according to claim 1, it is characterized in that said current transformer is a zero-sequence transformer, the current terminal 01 of the phase line L of electric energy meter by electric energy meter connects the input end of primary coil N3 of current transformer CT through output terminal, the current coil NA and the current terminal 03 of electric energy meter are connected to consumer, the current terminal 04 of zero line N by electric energy meter connects the input end of primary coil N2 of current transformer CT through output terminal, the current terminal 05 of electric energy meter is connected to consumer, the secondary induction coil N1 input end of current transformer CT and output terminal and anti-electricity-theft, penalize electric installation to electrically connect, the current terminal 01 of electric energy meter and 02 overlaps by hook, the 02 potential winding NV by electric energy meter connects 04.
3. the single-phase anti-electricity-theft electric energy meter of two meterings according to claim 1 and 2, it is characterized in that said anti-electricity-theft, penalize electric detection means by thick film integrator Ic, resistance R 1, R2, R3, R4, R5, R6 and, capacitor C 1, C2, C3, C4, C5 and C6, triode BG, diode D1, D2 and D3, stabilivolt Z1 and Z2, LED, and micro-stepping motor M constitutes, 1 of integrator Ic, 2 pin meet the secondary induction coil N1 of current transformer CT, 1, insert resistance R 5 between 2 pin, 5 pin connect transistor collector, and connect with 12 pin by resistance R 3,6 pin connect the emitter of triode, the anode of the anode of diode D2 and D3 and stabilivolt Z2,7 pin connect the anode of stabilivolt Z1, the negative electrode of the cathode capacitance C2 of Z2, the anode of C3 and the current terminal of electric energy meter 04,12 pin connect the negative electrode of stabilivolt Z1, the anode of the negative electrode of diode D1 and capacitor C 2,8 pin and 9 pin connect 7 pin by capacitor C 6 and C5 respectively, the negative electrode of light emitting diode and micro-stepping motor M, 10 pin and 3 pin connect 11 pin by capacitor C 4 and resistance R 6 respectively, 4 pin connect the micro-stepping motor M other end and pass through the anode of resistance R 7 sending and receiving optical diodes, the base stage of triode BG connects the negative electrode of diode D3 and connects 6 pin and current terminal 02 by resistance R 2 and R4 respectively, and diode D2 negative electrode connects the D1 anode and passes through resistance R 1, capacitor C 1 connects current terminal 01.
4. the single-phase anti-electricity-theft electric energy meter of two meterings according to claim 1 and 2 is characterized in that said to penalize electric display be the electric display of penalizing of bidirectional measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96220130 CN2253480Y (en) | 1996-08-06 | 1996-08-06 | Double-metering single electric energy meter for avoiding or indicating fraudulent use of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96220130 CN2253480Y (en) | 1996-08-06 | 1996-08-06 | Double-metering single electric energy meter for avoiding or indicating fraudulent use of electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2253480Y true CN2253480Y (en) | 1997-04-30 |
Family
ID=33900529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96220130 Expired - Fee Related CN2253480Y (en) | 1996-08-06 | 1996-08-06 | Double-metering single electric energy meter for avoiding or indicating fraudulent use of electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2253480Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298082B (en) * | 2009-03-10 | 2014-08-13 | 吴嘉懿 | Electricity-stealing prevention electric energy meter |
-
1996
- 1996-08-06 CN CN 96220130 patent/CN2253480Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298082B (en) * | 2009-03-10 | 2014-08-13 | 吴嘉懿 | Electricity-stealing prevention electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Pang Haizhong Designer before: Li Zhixiong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: LI ZHIXIONG TO: PANG HAIZHONG |
|
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: WEIBA ELECTRIC METER FACTORY, ZHANJIANG CITY TO: WEIBA METER ( SHENZHEN ) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Shenzhen Luohu District City Songyuan Road No. 68 building 4 layer 3 contact: Li Yingzhou Patentee after: Granville power meter (Shenzhen) Co., Ltd. Address before: 524022 No. 22, Renmin Road, Zhanjiang Development Zone, Guangdong, China Patentee before: Weiba Electric-Meter Factory, Zhanjiang City |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |