CN105322537A - Electricity-stealing-preventing electric power system - Google Patents
Electricity-stealing-preventing electric power system Download PDFInfo
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- CN105322537A CN105322537A CN201510756383.XA CN201510756383A CN105322537A CN 105322537 A CN105322537 A CN 105322537A CN 201510756383 A CN201510756383 A CN 201510756383A CN 105322537 A CN105322537 A CN 105322537A
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Abstract
The invention relates to an electricity-stealing-preventing electric power system, and belongs to the field of electric power systems. The electricity-stealing-preventing electric power system comprises a generating station, a power transmission grid, a power distribution transformer, a power distribution grid, a user transformer and an anti-theft electricity meter; the generating station is connected to the power transmission grid for supplying power to the power transmission grid; a primary side of the power distribution transformer is connected to the power transmission grid while a secondary side of the power distribution transformer is connected to the power distribution grid; a primary side of the user transformer is connected with the power distribution grid while a secondary side of the user transformer is connected with the anti-theft electricity meter; the anti-theft electricity meter comprises an electricity meter body, an anti-theft transformer and an anti-theft shell; the electricity meter body and the anti-theft transformer are in series connection and the serially connected electricity meter body and the anti-theft transformer are installed in the anti-theft shell; the output end of the anti-theft electricity meter supplies power for loads; and the input voltage of the anti-theft transformer is different from the working voltage of the loads. The electricity-stealing-preventing electric power system provides security assurance for the load terminals; the electricity-stealing phenomenon that domestic appliances or other loads are directly connected to the input end of the electricity meter by some people can be prevented; the voltage before entering the electricity meter is the voltage that cannot be used directly for domestic appliances; and the anti-theft electricity meter can be directly used for the loads after the voltage is converted by the anti-theft electricity meter.
Description
Technical field
The present invention relates to a kind of preventing fraudulent use of electricity electric power system, belong to field of power.
Background technology
Electric energy meter is used to the instrument measuring electric energy, and also known as kilowatt-hour meter, energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.The kilowatt-hour meter of current use.Off-balancesheet lead-in wire reaches electricity consumption and the cheating effect of not having good luck or having good luck less current coil short circuit in table.This power stealing mode is very easy, namely two of kilowatt-hour meter joint short circuits can be achieved the goal at off-balancesheet one trifle wire.This method is not destroyed lead sealing, watchcase, separately need not be connect open-wire line, and is easy to camouflage and meets an urgent need ruin mark, is thus adopted by a lot of user.This is a kind of potential serious social phenomenon of seeking private gain at public expense, spending the energy freely.Based on above-mentioned phenomenon, the present invention spy proposes a kind of Anti-current stealing electric meter to eliminate these bad phenomenon.
The ammeter of present dress, install concentratedly, and add the additional strip of paper used for sealing of affixing one's seal of aluminium envelope, terminal box and table body some places all so simultaneously, fill the chest of ammeter or lock, on screw, load onto aluminium envelope after screwing on screw, if it is damaged to be stained with any one thing of strip of paper used for sealing simultaneously, all belonging to robber's electrical travelling is.
Present robber's electrical phenomena remains incessant after repeated prohibition, and the safety not only compromising electrical network brings hidden danger for electric equipment and personal safety simultaneously.And high tension transmission can be realized further, improve fail safe and the energy saving of high tension transmission, the loss of less electrical energy in transmitting procedure.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, a kind of preventing fraudulent use of electricity electric power system is provided, higher stability and fail safe can be had, can while preventing fraudulent use of electricity, for load end provides safety guarantee, can prevent people and household electrical appliance or other loads are directly connected to robber's electrical phenomena of the input of ammeter, the fail safe that this phenomenon not only destroys electrical network has carried out hidden danger for personal safety belt simultaneously.Voltage before entering ammeter is the voltage that household electrical appliance can not just directly use, and after the conversion of Theft-proof kilowatt-hour meter, this Theft-proof kilowatt-hour meter can directly act on load.
The technical solution used in the present invention is as follows:
The invention discloses a kind of preventing fraudulent use of electricity electric power system, comprise power station, power transmission electric network, distribution transformer, distrbution network, user transformers, Theft-proof kilowatt-hour meter; Send out some a station be connected to power transmission electric network and for its power, the primary side of distribution transformer is connected to power transmission electric network, secondary side and is connected with distrbution network; The primary side of user transformers connects distrbution network, secondary side connects Theft-proof kilowatt-hour meter; Theft-proof kilowatt-hour meter comprises ammeter body, antitheft transformer, antitheft shell, and ammeter body is fit into after connecting with antitheft transformer in antitheft housing; The output of Theft-proof kilowatt-hour meter is load supplying; The input voltage of antitheft transformer is different from the operating voltage of load.
Further, the electric pressure of described power transmission electric network is 110kv, 220kv or 330kv; The electric pressure of described distrbution network is 10kv; The output voltage 500-750v of described user transformers.
Further, described antitheft transformer is provided with adjuster, this adjuster is for regulating the coil ratio of antitheft transformer place in circuit part.
Further, ammeter body is connected to the output of antitheft transformer, between ammeter body and antitheft transformer, be provided with relay.
Due to above-mentioned electric power system, higher stability and fail safe can be had, can while preventing fraudulent use of electricity, for load end provides safety guarantee, can prevent people and household electrical appliance or other loads are directly connected to robber's electrical phenomena of the input of ammeter, the fail safe that this phenomenon not only destroys electrical network has carried out hidden danger for personal safety belt simultaneously.Voltage before entering ammeter is the voltage that household electrical appliance can not just directly use, and after the conversion of Theft-proof kilowatt-hour meter, this Theft-proof kilowatt-hour meter can directly act on load.Adopt 500-750v input as the input voltage of antitheft transformer; when can not only avoid stealing electrical phenomena generation; the voltge surge of this voltage to access device is little; little to the destruction of equipment; the large area of equipment can be avoided to damage; simultaneously; the injury of this voltage to the person is little; protection that is personal and equipment can be realized, the voltage of this grade simultaneously while antitheft, not need to change existing mounted circuit; there is more powerful generalization; and, also there is good transporting, effectively reduce transmission energy consumption.When being greater than 750v, the injury of its voltage to equipment and the person improves greatly, and meanwhile, existing current network can not be used for the power voltage supply of 750v, needs to change cable, increases cost.
Further, the control system of described Theft-proof kilowatt-hour meter comprises:
Control unit, comprises intelligent controller, and this intelligent controller comprises MCU, display and keyboard, and display is connected with MCU respectively with keyboard;
Anti-theft unit, comprises the antitheft transformer be connected on ammeter body, and this antitheft transformer is used for the operating voltage nonoperating voltage of load being become load; Antitheft transformer output is provided with relay, and the control end of this relay is connected with MCU;
Voltage detection unit, comprises two voltage sensors being arranged on transformer first and second side; This voltage sensor is electrically connected with MCU, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprises setting voltage regulator on the transformer, and this voltage regulator realizes the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The primary side of transformer and the coil of secondary side are equipped with the pressure regulation node of multiple number of turn for the access of control transformer coil, and its secondary side pressure regulation node is more than primary side pressure regulation node, and pressure regulation node is connected with voltage regulator respectively;
Communication unit, comprises communicator and loud speaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loud speaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, electromagnetically operated valve, shower nozzle by placed in series; At expelling parasite tank built with pesticide, solenoid control insect expelling device opens and closes, and is used for spray insecticide at shower nozzle; Shower nozzle is also provided with air blast, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control unit is connected with anti-theft unit, voltage detection unit, pressure regulation unit, expelling parasite unit and communication unit respectively, and for controlling each unit matching action.
Due to said method, by repetitive measurement and data screening, improve the accuracy measured, ensure that quality and the stability of power supply, can the stably measured of implement device, improve availability and the applicability of ammeter, adopt the data processing method optimized, discharge rub-out signal, and by useful signal novel fast processing in MCU, thus improve the stability of method of measurement, in addition, this method adopts rational sampling interval time, can according to the Changing Pattern of alternating current, extract the position of alternating current difference fluctuation, inspect voltage by random samples on the whole, the accuracy of further raising result.The accuracy controlling of transformer can be realized; be conducive to the reasonable output realizing ammeter; load equipment can be protected; and then improve the life-span of equipment; thus reach optimized output; thisly adjustment is carried out to first less to coil turn side be conducive to Rapid Variable Design voltage; thus realize the quick adaptation of voltage; after regulating the position of small turn number coil place in circuit or access current segment; by the more coil place in circuit of the number of turn or access current segment number, realize the fine adjustment of output voltage.Be conducive to obtaining more stable output voltage.
Further, the method for supplying power to of this electric power system:
(1), power station generating after, treat the electric pressure 110kv of the power transmission electric network that the output voltage in power station reaches, after synchronous operation, power station be incorporated in power transmission electric network, be power transmission electric network and power;
(2), after 5min, detect the voltage of power transmission electric network, when the fluctuation range of power transmission electric network is less than 5%, distribution transformer is accessed in power transmission electric network;
(3), after 3min, the fluctuation range detecting the voltage of distribution transformer secondary side is less than 7%, be then linked into by this distribution transformer in the distrbution network of 10kv electric pressure;
(4), after 1.5min, the fluctuation range detecting the pressure in distrbution network is less than 8.5%, then access in distrbution network by user transformers;
(5), detect the output voltage of user transformers, if this output voltage is 500-750v and fluctuation range is less than 8.5%, then control this user transformers and transmit electricity to Theft-proof kilowatt-hour meter;
(6), Theft-proof kilowatt-hour meter detects that the voltage of transformer output is 220v ± 10%, then controlling Theft-proof kilowatt-hour meter is load supplying.
Due to said method, each stage of power supply is all detected, after making the voltage stabilization on each circuit, just access the electric equipment of next stage, when can not only reduce device access device, less to the impact of electrical network, the speed restored balance is faster, and then improves the useful life of equipment, and its clear logic, collocation are rationally, adopt the power transmission electric network of 110kv to be applicable to the power supply environment of southwest, existing supply network can be compatible with; Detect the voltage of power transmission electric network after access power station 5min and require that its fluctuation is less than 5%, its objective is that minimizing newly adds the impact of generating equipment on net pressure, the speed that this time can not only accelerate to power has taken into account the impact of sake power network fluctuation on equipment simultaneously; In like manner, in step (3), (4), (5), the effect of parameter is also to obtain power supplying efficiency and the balance reducing voltge surge double effects.
Owing to have employed said structure.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, structure is simple, novel in design, achieves the object of preventing fraudulent use of electricity, improves electric network security; Adopt suitable parameter, take into account the useful life of equipment and the power supplying efficiency of electrical network.
2, this design can promote the transmission voltage of ammeter primary side, can be conducive to the long-distance transmissions realizing electric energy, decrease electric energy loss.
3, this design can directly be reequiped on original ammeter, is easy to promotion and application, is conducive to the fail safe of promotion equipment, can implement device effective.
4, ensure that quality and the stability of power supply, can the stably measured of implement device, improve availability and the applicability of ammeter, adopt the data processing method optimized, discharge rub-out signal, and by useful signal novel fast processing in MCU, thus improve the stability of method of measurement.
Accompanying drawing explanation
Fig. 1 is preventing fraudulent use of electricity electric power system front view in the present invention;
Mark in figure: 1-user transformers, 2-Theft-proof kilowatt-hour meter, 3-load, 4-distribution transformer, 5-power station, 6-power transmission electric network, 7-distrbution network.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
specific embodiment 1:
As shown in Figure 1, preventing fraudulent use of electricity electric power system of the present invention, comprises power station 5, power transmission electric network 6, distribution transformer 4, distrbution network 7, user transformers 1, Theft-proof kilowatt-hour meter 2; Send out some a station be connected to power transmission electric network 6 and for its power, the primary side of distribution transformer 4 is connected to power transmission electric network 6, secondary side and is connected with distrbution network 7; The secondary side of user transformers 1 connects Theft-proof kilowatt-hour meter 2; Theft-proof kilowatt-hour meter 2 comprises ammeter body, antitheft transformer, antitheft shell, and ammeter body is fit into after connecting with antitheft transformer in antitheft housing; The output of Theft-proof kilowatt-hour meter 2 is that load 3 is powered; The input voltage of antitheft transformer is different from the operating voltage of load 3.
Namely operating voltage can be used for the voltage of the power supply that load normally works, and adopts nonoperating voltage to power and easily cause load overload or overcurrent, or cannot normally run, the situation such as under-voltage, operating voltage can be considered the scope range of the fluctuation of voltage of rated voltage with load and permission.
The electric pressure of power transmission electric network 6 is 110kv, 220kv or 330kv; The electric pressure of distrbution network 7 is 10kv; The output voltage 500-750v of user transformers 1, or adopt 550v or 660v.
Antitheft transformer is provided with adjuster, and this adjuster is for regulating the coil ratio of antitheft transformer place in circuit part.
Ammeter body is connected to the output of antitheft transformer, between ammeter body and antitheft transformer, be provided with relay.
Due to above-mentioned electric power system, higher stability and fail safe can be had, can while preventing fraudulent use of electricity, for load 3 end provides safety guarantee, can prevent people and household electrical appliance or other loads 3 are directly connected to robber's electrical phenomena of the input of ammeter, the fail safe that this phenomenon not only destroys electrical network has carried out hidden danger for personal safety belt simultaneously.Voltage before entering ammeter is the voltage that household electrical appliance can not just directly use, and after the conversion of Theft-proof kilowatt-hour meter 2, this Theft-proof kilowatt-hour meter 2 can directly act on load 3.Its
specific embodiment 2:
Control system according to the Theft-proof kilowatt-hour meter of embodiment 1 comprises:
Control unit, comprises intelligent controller, and this intelligent controller comprises MCU, display and keyboard, and display is connected with MCU respectively with keyboard;
Anti-theft unit, comprises the transformer be connected on ammeter body, and this transformer is used for the operating voltage nonoperating voltage of load 3 being become load 3; Transformer output is provided with relay, and the control end of this relay is connected with MCU;
Voltage detection unit, comprises two voltage sensors being arranged on transformer first and second side; This voltage sensor is electrically connected with MCU, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprises setting voltage regulator on the transformer, and this voltage regulator realizes the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The primary side of transformer and the coil of secondary side are equipped with the pressure regulation node of multiple number of turn for the access of control transformer coil, and its secondary side pressure regulation node is more than primary side pressure regulation node, and pressure regulation node is connected with voltage regulator respectively;
Communication unit, comprises communicator and loud speaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loud speaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, electromagnetically operated valve, shower nozzle by placed in series; At expelling parasite tank built with pesticide, solenoid control insect expelling device opens and closes, and is used for spray insecticide at shower nozzle; Shower nozzle is also provided with air blast, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control unit is connected with anti-theft unit, voltage detection unit, pressure regulation unit, expelling parasite unit and communication unit respectively, and for controlling each unit matching action.
Due to said method, by repetitive measurement and data screening, improve the accuracy measured, ensure that quality and the stability of power supply, can the stably measured of implement device, improve availability and the applicability of ammeter, adopt the data processing method optimized, discharge rub-out signal, and by useful signal novel fast processing in MCU, thus improve the stability of method of measurement, in addition, this method adopts rational sampling interval time, can according to the Changing Pattern of alternating current, extract the position of alternating current difference fluctuation, inspect voltage by random samples on the whole, the accuracy of further raising result.The accuracy controlling of transformer can be realized; be conducive to the reasonable output realizing ammeter; load 3 equipment can be protected; and then improve the life-span of equipment; thus reach optimized output; thisly adjustment is carried out to first less to coil turn side be conducive to Rapid Variable Design voltage; thus realize the quick adaptation of voltage; after regulating the position of small turn number coil place in circuit or access current segment; by the more coil place in circuit of the number of turn or access current segment number, realize the fine adjustment of output voltage.Be conducive to obtaining more stable output voltage.
specific embodiment 3:
Method of supplying power to according to the electric power system of embodiment 1:
(1), power station 5 generate electricity after, treat the electric pressure 110kv of the power transmission electric network 6 that the output voltage in power station 5 reaches, after synchronous operation, power station 5 be incorporated in power transmission electric network 6, be power transmission electric network 6 and power;
(2), after 5min, detect the voltage of power transmission electric network 6, when the fluctuation range of power transmission electric network 6 is less than 5%, distribution transformer 4 is accessed in power transmission electric network 6;
(3), after 3min, the fluctuation range detecting the voltage of distribution transformer 4 secondary side is less than 7%, be then linked in the distrbution network 7 of 10kv electric pressure by this distribution transformer 4;
(4), after 1.5min, the fluctuation range detecting the pressure in distrbution network 7 is less than 8.5%, then access in distrbution network 7 by user transformers 1;
(5), detect the output voltage of user transformers 1, if this output voltage is 500-750v and fluctuation range is less than 8.5%, then control this user transformers 1 and transmit electricity to Theft-proof kilowatt-hour meter 2;
(6), Theft-proof kilowatt-hour meter 2 detects that the voltage of transformer output is 220v ± 10%, then control Theft-proof kilowatt-hour meter 2 and power for load 3.
Due to said method, each stage of power supply is all detected, after making the voltage stabilization on each circuit, just access the electric equipment of next stage, when can not only reduce device access device, less to the impact of electrical network, the speed restored balance is faster, and then improves the useful life of equipment, and its clear logic, collocation are rationally, adopt the power transmission electric network 6 of 110kv to be applicable to the power supply environment of southwest, existing supply network can be compatible with; Detect the voltage of power transmission electric network 6 after access power station 55min and require that its fluctuation is less than 5%, its objective is that minimizing newly adds the impact of generating equipment on net pressure, the speed that this time can not only accelerate to power has taken into account the impact of sake power network fluctuation on equipment simultaneously; In like manner, in step (3), (4), (5), the effect of parameter is also to obtain power supplying efficiency and the balance reducing voltge surge double effects.
The voltage related in specific embodiment 1-3 is line voltage.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a preventing fraudulent use of electricity electric power system, is characterized in that, comprises power station, power transmission electric network, distribution transformer, distrbution network, user transformers, Theft-proof kilowatt-hour meter; Send out some a station be connected to power transmission electric network and for its power, the primary side of distribution transformer is connected to power transmission electric network, secondary side and is connected with distrbution network; The primary side of user transformers connects distrbution network, secondary side connects Theft-proof kilowatt-hour meter; Theft-proof kilowatt-hour meter comprises ammeter body, antitheft transformer, antitheft shell, and ammeter body is fit into after connecting with antitheft transformer in antitheft housing; The output of Theft-proof kilowatt-hour meter is load supplying; The input voltage of antitheft transformer is different from the operating voltage of load.
2. preventing fraudulent use of electricity electric power system according to claim 1, is characterized in that, the electric pressure of described power transmission electric network is 110kv, 220kv or 330kv; The electric pressure of described distrbution network is 10kv; The output voltage 500-750v of described user transformers.
3. preventing fraudulent use of electricity electric power system according to claim 2, is characterized in that, described antitheft transformer is provided with adjuster, and this adjuster is for regulating the coil ratio of antitheft transformer place in circuit part.
4. preventing fraudulent use of electricity electric power system according to claim 3, is characterized in that, ammeter body is connected to the output of antitheft transformer, between ammeter body and antitheft transformer, be provided with relay.
5. the preventing fraudulent use of electricity electric power system according to any one of claim 1-4, is characterized in that, the control system of described Theft-proof kilowatt-hour meter comprises:
Control unit, comprises intelligent controller, and this intelligent controller comprises MCU, display and keyboard, and display is connected with MCU respectively with keyboard;
Anti-theft unit, comprises the antitheft transformer be connected on ammeter body, and this antitheft transformer is used for the operating voltage nonoperating voltage of load being become load; Antitheft transformer output is provided with relay, and the control end of this relay is connected with MCU;
Voltage detection unit, comprises two voltage sensors being arranged on transformer first and second side; This voltage sensor is electrically connected with MCU, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprises setting voltage regulator on the transformer, and this voltage regulator realizes the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The primary side of transformer and the coil of secondary side are equipped with the pressure regulation node of multiple number of turn for the access of control transformer coil, and its secondary side pressure regulation node is more than primary side pressure regulation node, and pressure regulation node is connected with voltage regulator respectively;
Communication unit, comprises communicator and loud speaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loud speaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, electromagnetically operated valve, shower nozzle by placed in series; At expelling parasite tank built with pesticide, solenoid control insect expelling device opens and closes, and is used for spray insecticide at shower nozzle; Shower nozzle is also provided with air blast, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control unit is connected with anti-theft unit, voltage detection unit, pressure regulation unit, expelling parasite unit and communication unit respectively, and for controlling each unit matching action.
6. the preventing fraudulent use of electricity electric power system according to any one of claim 1-4, is characterized in that, the method for supplying power to of this electric power system:
(1), power station generating after, treat the electric pressure 110kv of the power transmission electric network that the output voltage in power station reaches, after synchronous operation, power station be incorporated in power transmission electric network, be power transmission electric network and power;
(2), after 5min, detect the voltage of power transmission electric network, when the fluctuation range of power transmission electric network is less than 5%, distribution transformer is accessed in power transmission electric network;
(3), after 3min, the fluctuation range detecting the voltage of distribution transformer secondary side is less than 7%, be then linked into by this distribution transformer in the distrbution network of 10kv electric pressure;
(4), after 1.5min, the fluctuation range detecting the pressure in distrbution network is less than 8.5%, then access in distrbution network by user transformers;
(5), detect the output voltage of user transformers, if this output voltage is 500-750v and fluctuation range is less than 8.5%, then control this user transformers and transmit electricity to Theft-proof kilowatt-hour meter;
(6), Theft-proof kilowatt-hour meter detects that the voltage of transformer output is 220v ± 10%, then controlling Theft-proof kilowatt-hour meter is load supplying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510756383.XA CN105322537A (en) | 2015-11-10 | 2015-11-10 | Electricity-stealing-preventing electric power system |
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| CN201510756383.XA CN105322537A (en) | 2015-11-10 | 2015-11-10 | Electricity-stealing-preventing electric power system |
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| CN201510756383.XA Pending CN105322537A (en) | 2015-11-10 | 2015-11-10 | Electricity-stealing-preventing electric power system |
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| CN2110275U (en) * | 1991-12-23 | 1992-07-15 | 湖北电瓷电器厂 | Anti-steal electric transformer |
| CN2143355Y (en) * | 1992-12-25 | 1993-10-06 | 李云亭 | Transformer for preventing charge evasion and stealing |
| CN1315660A (en) * | 2000-03-30 | 2001-10-03 | 张培欣 | Electric power metering method and device able to detect and prevent illegal use of electric energy |
| CN101799681A (en) * | 2010-02-10 | 2010-08-11 | 刘文祥 | Intelligent grid |
| EP2355293A1 (en) * | 2010-01-28 | 2011-08-10 | Reactive Technologies Limited | Power flow measurement and management |
| CN203232773U (en) * | 2013-03-14 | 2013-10-09 | 国家电网公司 | Electricity-stealing-prevention device of distribution transformer |
| CN104215831A (en) * | 2014-09-10 | 2014-12-17 | 国家电网公司 | Optical fiber communication based interactive smart electric meter and system thereof |
| CN104620115A (en) * | 2012-05-13 | 2015-05-13 | 格里德2020公司 | Power monitoring system and method |
| CN205141662U (en) * | 2015-11-10 | 2016-04-06 | 成都九十度工业产品设计有限公司 | Electric electric power system prevents burglary |
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2015
- 2015-11-10 CN CN201510756383.XA patent/CN105322537A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110275U (en) * | 1991-12-23 | 1992-07-15 | 湖北电瓷电器厂 | Anti-steal electric transformer |
| CN2143355Y (en) * | 1992-12-25 | 1993-10-06 | 李云亭 | Transformer for preventing charge evasion and stealing |
| CN1315660A (en) * | 2000-03-30 | 2001-10-03 | 张培欣 | Electric power metering method and device able to detect and prevent illegal use of electric energy |
| EP2355293A1 (en) * | 2010-01-28 | 2011-08-10 | Reactive Technologies Limited | Power flow measurement and management |
| CN101799681A (en) * | 2010-02-10 | 2010-08-11 | 刘文祥 | Intelligent grid |
| CN104620115A (en) * | 2012-05-13 | 2015-05-13 | 格里德2020公司 | Power monitoring system and method |
| CN203232773U (en) * | 2013-03-14 | 2013-10-09 | 国家电网公司 | Electricity-stealing-prevention device of distribution transformer |
| CN104215831A (en) * | 2014-09-10 | 2014-12-17 | 国家电网公司 | Optical fiber communication based interactive smart electric meter and system thereof |
| CN205141662U (en) * | 2015-11-10 | 2016-04-06 | 成都九十度工业产品设计有限公司 | Electric electric power system prevents burglary |
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Application publication date: 20160210 |