CN2164049Y - Multifunctional device for preventing electricity fraudulent use - Google Patents
Multifunctional device for preventing electricity fraudulent use Download PDFInfo
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- CN2164049Y CN2164049Y CN 93211928 CN93211928U CN2164049Y CN 2164049 Y CN2164049 Y CN 2164049Y CN 93211928 CN93211928 CN 93211928 CN 93211928 U CN93211928 U CN 93211928U CN 2164049 Y CN2164049 Y CN 2164049Y
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- watt
- hour meter
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- 230000005611 electricity Effects 0.000 title abstract description 9
- 230000003405 preventing effect Effects 0.000 title abstract description 3
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The multifunctional device for preventing fraudulent use of electricity is composed of power-consumption detection circuit before watt-hour meter, power-consumption detection circuit after watt-hour meter, leakage detection circuit, signal line breaking protection circuit before watt-hour meter, main drive circuit and power supply circuit. The outgoing line in the watt-hour meter is connected to the device, so that the device has the functions of multi-azimuth electricity stealing prevention, tight structure, stability, reliability and high sensitivity, and has the functions of electricity stealing display and electricity stealing death protection.
Description
The utility model belongs to anti-electricity-theft device and makes the field.
Background technology of the present utility model is further conceived on the original patent No. ZL92204971.8 of the applicant, title " multi-functional power protector " basis and is designed.
Purpose of design of the present utility model is: design the multifunction device for prevention of electricity-stealing that a kind of structure is more simple, power-steeling preventing effect is good.
Design proposal of the present utility model is: multifunction device for prevention of electricity-stealing is to be made of signal lines disconnection protection circuit, photoelectrical coupler, delay circuit, on-off circuit, main driving circuit and power circuit before electric power testing circuit, electric-leakage detection circuit, the table behind electric power testing circuit, the watt-hour meter before the watt-hour meter.Because the outlet of watt-hour meter inside is inserted this device, thereby make this device have multi-faceted anti-stealing electricity function, complete machine structure is tight, and is reliable and stable, highly sensitive, has the dead defencive function of stealing demonstration and stealing simultaneously.
Organization plan: multifunction device for prevention of electricity-stealing, it comprises the power end of power supply termination master driving circuit (9), delay circuit (8) and the photoelectrical coupler (7) of delay circuit (8), power circuit (6), the middle mutual inductor B of electric power testing circuit (1) before A end and C, the D termination watt-hour meter in the watt-hour meter wiring (2)
1Middle L
1And L
2The power supply exit, the lead-in wire of A, B end and D end passes the zero-sequence transformer B in the electric-leakage detection circuit (3) in the watt-hour meter wiring (2)
2Meet behind the watt-hour meter mutual inductor B in the electric power testing circuit (4)
3The power supply leading-in end, mutual inductor B in the electric power testing circuit (4) behind the watt-hour meter
3The power supply exit connect the power input of power circuit (5) and the power input of overvoltage crowbar (6) respectively, the signal output part of electric power testing circuit (1) is through the dropout K switch before the watt-hour meter
1-1Connect the signal input part (positive pole of light emitting diode) of photoelectrical coupler (7), the collector of the signal output part photoelectric receiving tube of photoelectrical coupler (7) connects resistance R in the on-off circuit (12)
20An end, main driving circuit (9) in resistance R
3An end and electric-leakage detection circuit (3) in normally closed button AN
2An end, the signal output part capacitor C of electric-leakage detection circuit (3)
4Positive pole meet unidirectional controllable silicon S CR in the electric-leakage detection circuit (3)
1Trigger electrode, SCR
1Negative electrode through resistance R
10, diode D
8Meet diode D in the table detection signal disconnection protection circuit (10)
11Negative pole, triode T in the on-off circuit (12)
7Emitter connect 4,8 pin and the resistance R of NE555 in the delay circuit (8)
1An end, the signal output part of electric power testing circuit (4) connects the negative pole of light emitting diode in the photoelectrical coupler (7) behind the watt-hour meter, an end of tripping coil (11) is through relay normally open contact J
1And diode D
9Connect power supply, another termination power of tripping coil (11).Electric power testing circuit (1) is by mutual inductor B before the watt-hour meter
1, full bridge rectifier D
1, capacitor C
1With adjustable resistance W
1Constitute mutual inductor B
1The secondary full bridge rectifier D that connects
1Power input, full bridge rectifier D
1Output termination C
1Two ends and W
1Two ends and adjustable end, and connect the positive pole of light emitting diode in the photoelectrical coupler (7) through the dropout switch; Electric-leakage detection circuit (2) is by the mutual device B of zero sequence
2, diode D
2, D
8, capacitor C
3, C
4, resistance R
10, R
17, unidirectional controllable silicon S CR
1And normally closed button AN
2Constitute B
2Middle coil L
1A termination D
2Positive pole, D
2Negative pole meet C
4Negative pole, C
4Positive pole meet R
17An end and SCR
1Trigger electrode, L
1Another termination C
3Negative pole, R
17The other end and ground connection, SCR
1Anode meet AN
2The other end, SCR
2Negative electrode meet R
10An end, R
10Another termination D
8Positive pole, D
8Negative pole meet before the table diode D in the detection signal disconnection protection circuit (10)
11Negative pole; Electric power testing circuit (4) is by mutual inductor B behind the watt-hour meter
3, full bridge rectifier D
3, capacitor C
6, adjustable resistance W
2Constitute B
3The secondary power input that connects full bridge rectifier, the power output end of full bridge rectifier meets C
6Two ends, W
2Two ends, adjustable end and photoelectrical coupler (7) in the negative pole of light emitting diode; Overvoltage crowbar (6) is by diode D
10, resistance R
14, capacitor C
10And relay J
3Constitute C
10Two termination J
3The two ends of coil and J
3Coil one termination R
14An end, R
14Another termination D
10Negative pole, D
10Positive pole connect power supply, J
3Another termination power of coil; On-off circuit (12) is by resistance R
18, R
19, R
20, capacitor C
2And triode T
7Constitute R
20Another termination T
7Collector, T
7Emitter meet 4,8 pin and the R of NE555 in the delay circuit (8)
1An end, T
7Base stage meet R
18An end, R
18Another termination photoelectrical coupler (7) in the emitter and the C of photoelectric receiving tube
2Positive pole, R
19An end, R
19The other end and C
2Negative pole and ground connection; Main driving circuit (9) is by triode T
1～T
4, resistance R
2～R
9, diode D
5～D
7, relay J
1, J
2And LED
1Constitute R
3Another termination R
2An end and delay circuit (8) in 3 pin of NE555, R
2Another termination T
1Base stage, T
1Grounded emitter, T
1Collector meet R
4, R
5An end, R
4Another termination R
3, R
8The other end, dropout K switch
1-2Middle-end, D
7Negative pole, J
2The other end and table before R in the detection signal disconnection protection circuit (10)
12, R
11An end, R
5Another termination T
2Base stage, T
2Grounded emitter, T
2Collector meet J
1One end and the D of coil
5Positive pole, D
5Negative pole and J
1Another termination dropout K switch of coil
1-2An end, K
1-2Another termination R
6, R
7An end, R
7Another termination LED
1Positive pole, LED
1Minus earth, R
6Another termination D
6Positive pole, D
6Negative pole meet T
3Base stage and electric-leakage detection circuit (3), table before D in the detection signal disconnection protection circuit (10)
8, D
11Negative pole, T
3Grounded emitter, T
3Collector meet R
9, R
8An end, R
9Another termination T
4Base stage, T
4Grounded emitter, T
4Collector meet D
7Positive pole and J
2One end of coil; Detection signal disconnection protection circuit (10) is by diode D before the table
11, resistance R
11, R
12, triode T
5And ground wire M constitutes D
11Positive pole meet T
5Emitter, T
5Collector meet R
12The other end, T
5Base stage meet an end and the R of M
11The other end, the other end ground connection of M.One of two extension line that B is ordered in the watt-hour meter wiring (2) meet the mutual inductor B of electric power testing circuit (4) behind the watt-hour meter
3Middle power lead-ining line, one is passed zero-sequence transformer B in the electric-leakage detection circuit (3)
2Connect A point in the watt-hour meter wiring (2), D point extension line passes B in the watt-hour meter wiring (2)
2Meet behind the watt-hour meter mutual inductor B in the electric power testing circuit (4)
3Power lead-ining line.
Principle of work: in circuit diagram, mutual inductor B
1Be connected on the work frequency main line of registering one's residence, because single-phase outlet and zero line are at B
1On anti-phase each other winding, when having electric current to flow through on the circuit, B
1L
3On make and induce the induced voltage that is directly proportional with its size of current, this induced voltage will pass in this device by in the twin-core shielding line, inserts K as figure
1-1An end, pass through K
1Contact insert in the photoelectrical coupler, by the light emitting diode in the photoelectrical coupler, insert table back electric power testing circuit C then
5Anode, in when, before the table electricity theft over ammeter taking place when, B
1Induced voltage just be higher than B
2Induced voltage, these two groups of induced voltages become corresponding one high and one low commutating voltage to rectifying and wave-filtering, forward is connected on the input end of photoelectrical coupler, when the stealing merit surpass certain numerical value (be assumed to＞60W) time, phototriode conducting in the photoelectrical coupler, like this, triode T
1Lead energy, J
1Adhesive, thus make tripping coil give D
10With the very strong magnetic attraction of electric generation one on lever as shown in drawings, make toggle switch K like this
1Action, K
1-1Disconnect, to prevent B
1Induced voltage is crossed and is higher than B
2And the damage photoelectrical coupler, simultaneously, K
1-2Disconnect J
1Operating current, make J
1Very fast release, the tripping coil outage is because K
1-2Action, make T
2The base bias that adds and enter saturation conduction, T
2Conducting make T
3End, thereby make J
2Discharge, user's outage, this device has just entered dead protection, simultaneously LED
1Get electric and the demonstration stealing.
This device is provided with electric-leakage detection circuit; purpose is not only can make earth leakage protection; and can prevent behind the subscriber's meter that single line stealing and user are with the operating in short-circuit and shunt stealing of watt-hour meter outlet terminals with make the leading-out terminal reversal connection make ammeter reversing stealing; its course of work is: as two hot terminal for the access watt-hour meter of A, B among the figure; if being live wire, A goes into end; B is that live wire goes out end; C, D are the zero line terminals; after live wire inserts the A end, go out line current and give directly from table, to pick out to introduce in the anti-electricity-theft device behind the shunt coil in the table and pass zero-sequence transformer B
4In, B is inserted on the B end or the left side that afterwards this root outlet are taken back again watt-hour meter
2L
4On, zero line directly passes B
4, like this when the user when connecing with A, the B of watt-hour meter end short circuit, thereby the uneven B that makes takes place in the electric current in two load lines in the zero-sequence transformer
4Coil produce induced voltage, pass through D
2Half-wave rectification, C
3Filtering, C
4Anode make direct impulse of coupling trigger unidirectional controllable silicon S CR
1, make SCR
1Conducting, SCR
1Thereby conducting makes main driving circuit action, and user's outage has only and works as by an AN
2Reset, circuit just recovers normally, and the user gets electric, and as user during with A, B reversal connection, two load line direction of current in the zero-sequence transformer are identical, make B equally
4Coil produce induced voltage, trigger SCR
1Make main driving circuit action, same, when load line generation electric leakage or personal the electric shock and the stealing of user's single line, its course of work is the same, all can make this device action, cuts off subscriber's line circuit.This device is provided with front-end detection line broken wire protecting equipment, as among the figure by T
5, R
11, R
12, D
11Form, the M among the figure is a ground wire in the front end stealing signal lines, when line is not disconnected, and M ground connection, T
5End, when M disconnects, T
5Conducting makes T
3Conducting, at this moment T
4End J
2Discharge user's outage.
Since during this device operate as normal, J
2Be attracting state, in order to prevent that line voltage from suffering high pressure invasion and attack to be provided with an overvoltage crowbar in the primary return of current transformer, as among the figure by J
3, R
14, C
10, D
10Form R
14Resistance adjustable, when voltage is higher than certain setting value, J
3Adhesive, entire circuit outage, J
2Discharge, both protected consumer electronics, self has also obtained protection, when line voltage is crossed when low J
2Still can discharge because of current/voltage is low, so also can play the under-voltage protection effect.
The utility model is compared with existing background technology, has multi-faceted anti-stealing electricity function, and complete machine structure is tight, and is reliable and stable, highly sensitive, has the dead defencive function of stealing demonstration and stealing simultaneously.
Description of drawings:
Fig. 1 is a circuit diagram of the present utility model.
Fig. 2 is the structural representation of dropout switch.
Fig. 1 and Fig. 2 are a kind of embodiment of the present utility model.
Implement: at first make printed board and purchase, make by oneself electronic devices and components, get final product by prior art installation, debugging with reference to instructions the 5th part and attached Fig. 1 and 2 then with reference to accompanying drawing 1.
Claims (3)
1, a kind of multifunction device for prevention of electricity-stealing, it comprises the power end of power supply termination master driving circuit (9), delay circuit (8) and the photoelectrical coupler (7) of delay circuit (8), power circuit (6), it is characterized in that: the middle mutual inductor B of electric power testing circuit (1) before A end and C, the D termination watt-hour meter in the watt-hour meter wiring (2)
1Middle L
1And L
2The power supply exit, the lead-in wire of A, B end and D end passes the zero-sequence transformer B in the electric-leakage detection circuit (3) in the watt-hour meter wiring (2)
2Meet behind the watt-hour meter mutual inductor B in the electric power testing circuit (4)
3The power supply leading-in end, mutual inductor B in the electric power testing circuit (4) behind the watt-hour meter
3The power supply exit connect the power input of power circuit (5) and the power input of overvoltage crowbar (6) respectively, the signal output part of electric power testing circuit (1) is through the dropout K switch before the watt-hour meter
1-1Connect the signal input part (positive pole of light emitting diode) of photoelectrical coupler (7), the collector of the signal output part photoelectric receiving tube of photoelectrical coupler (7) connects resistance R in the on-off circuit (12)
20An end, main driving circuit (9) in resistance R
3An end and electric-leakage detection circuit (3) in normally closed button AN
2An end, the signal output part (capacitor C of electric-leakage detection circuit (3)
4Positive pole) meet unidirectional controllable silicon S CR in the electric-leakage detection circuit (3)
1Trigger electrode, SCR
1Negative electrode through resistance R
10, diode D
8Meet diode D in the table detection signal disconnection protection circuit (10)
11Negative pole, triode T in the on-off circuit (12)
7Emitter connect 4,8 pin and the resistance R of NE555 in the delay circuit (8)
1An end, the signal output part of electric power testing circuit (4) connects the negative pole of light emitting diode in the photoelectrical coupler (7) behind the watt-hour meter, an end of tripping coil (11) is through relay normally open contact J
1And diode D
9Connect power supply, another termination power of tripping coil (11).
2, multifunction device for prevention of electricity-stealing according to claim 1 is characterized in that: electric power testing circuit (1) is by mutual inductor B before the watt-hour meter
1, full bridge rectifier D
1, capacitor C
1With adjustable resistance W
1Constitute mutual inductor B
1The secondary full bridge rectifier D that connects
1Power input, full bridge rectifier D
1Output termination C
1Two ends and W
1Two ends and adjustable end, and connect the positive pole of light emitting diode in the photoelectrical coupler (7) through the dropout switch; Electric-leakage detection circuit (2) is by the mutual device B of zero sequence
2, diode D
2, D
8, capacitor C
3, C
4, resistance R
10, R
17, unidirectional controllable silicon S CR
1And normally closed button AN
2Constitute B
2Middle coil L
1A termination D
2Positive pole, D
2Negative pole meet C
4Negative pole, C
4Positive pole meet R
17An end and SCR
1Trigger electrode, L
1Another termination C
3Negative pole, R
17The other end and ground connection, SCR
1Anode meet AN
2The other end, SCR
2Negative electrode meet R
10An end, R
10Another termination D
8Positive pole, D
8Negative pole meet before the table diode D in the detection signal disconnection protection circuit (10)
11Negative pole; Electric power testing circuit (4) is by mutual inductor B behind the watt-hour meter
3, full bridge rectifier D
3, capacitor C
6, adjustable resistance W
2Constitute B
3The secondary power input that connects full bridge rectifier, the power output end of full bridge rectifier meets C
6Two ends, W
2Two ends, adjustable end and photoelectrical coupler (7) in the negative pole of light emitting diode; Overvoltage crowbar (6) is by diode D
10, resistance R
14, capacitor C
10And relay J
3Constitute C
10Two termination J
3The two ends of coil and J
3Coil one termination R
14An end, R
14Another termination D
10Negative pole, D
10Positive pole connect power supply, J
3Another termination power of coil; On-off circuit (12) is by resistance R
18, R
19, R
20, capacitor C
2And triode T
7Constitute R
20Another termination T
7Collector, T
7Emitter meet 4,8 pin and the R of NE555 in the delay circuit (8)
1An end, T
7Base stage meet R
18An end, R
18Another termination photoelectrical coupler (7) in the emitter and the C of photoelectric receiving tube
2Positive pole, R
19An end, R
19The other end and C
2Negative pole and ground connection; Main driving circuit (9) is by triode T
1～T
4, resistance R
2～R
9, diode D
5～D
7, relay J
1, J
2And LED
1Constitute R
3Another termination R
2An end and delay circuit (8) in 3 pin of NE555, R
2Another termination T
1Base stage, T
1Grounded emitter, T
1Collector meet R
4, R
5An end, R
4Another termination R
3, R
8The other end, dropout K switch
1-2Middle-end, D
7Negative pole, J
2The other end and table before R in the detection signal disconnection protection circuit (10)
12, R
11An end, R
5Another termination T
2Base stage, T
2Grounded emitter, T
2Collector meet J
1One end and the D of coil
5Positive pole, D
5Negative pole and J
1Another termination dropout K switch of coil
1-2An end, K
1-2Another termination R
6, R
7An end, R
7Another termination LED
1Positive pole, LED
1Minus earth, R
6Another termination D
6Positive pole, D
6Negative pole meet T
3Base stage and electric-leakage detection circuit (3), table before D in the detection signal disconnection protection circuit (10)
8, D
11Negative pole, T
3Grounded emitter, T
3Collector meet R
9, R
8An end, R
9Another termination T
4Base stage, T
4Grounded emitter, T
4Collector meet D
7Positive pole and J
2One end of coil; Detection signal disconnection protection circuit (10) is by diode D before the table
11, resistance R
11, R
12, triode T
5And ground wire M constitutes D
11Positive pole meet T
5Emitter, T
5Collector meet R
12The other end, T
5Base stage meet an end and the R of M
11The other end, the other end ground connection of M.
3, multifunction device for prevention of electricity-stealing according to claim 1 and 2 is characterized in that: one of two extension line that B is ordered in the watt-hour meter wiring (2) meet the mutual inductor B of electric power testing circuit (4) behind the watt-hour meter
3Middle power lead-ining line, one is passed zero-sequence transformer B in the electric-leakage detection circuit (3)
2Connect A point in the watt-hour meter wiring (2), D point extension line passes B in the watt-hour meter wiring (2)
2Meet behind the watt-hour meter mutual inductor B in the electric power testing circuit (4)
3Power lead-ining line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93211928 CN2164049Y (en) | 1993-05-06 | 1993-05-06 | Multifunctional device for preventing electricity fraudulent use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93211928 CN2164049Y (en) | 1993-05-06 | 1993-05-06 | Multifunctional device for preventing electricity fraudulent use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2164049Y true CN2164049Y (en) | 1994-05-04 |
Family
ID=33793397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93211928 Expired - Fee Related CN2164049Y (en) | 1993-05-06 | 1993-05-06 | Multifunctional device for preventing electricity fraudulent use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2164049Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226593A (en) * | 2016-12-15 | 2018-06-29 | 成都长城开发科技有限公司 | Electric energy meter and its anti-electricity-theft detection method |
-
1993
- 1993-05-06 CN CN 93211928 patent/CN2164049Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226593A (en) * | 2016-12-15 | 2018-06-29 | 成都长城开发科技有限公司 | Electric energy meter and its anti-electricity-theft detection method |
| CN108226593B (en) * | 2016-12-15 | 2024-04-19 | 成都长城开发科技股份有限公司 | Electric energy meter and electricity larceny prevention detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |