CN103399187A - Chip capable of identifying strong-magnetic electricity stealing - Google Patents
Chip capable of identifying strong-magnetic electricity stealing Download PDFInfo
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- CN103399187A CN103399187A CN2013103604009A CN201310360400A CN103399187A CN 103399187 A CN103399187 A CN 103399187A CN 2013103604009 A CN2013103604009 A CN 2013103604009A CN 201310360400 A CN201310360400 A CN 201310360400A CN 103399187 A CN103399187 A CN 103399187A
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Abstract
The invention provides a chip capable of identifying strong-magnetic electricity stealing. The chip comprises a controller, a power-down detector, an oscillator circuit, a reset circuit, a watch-dog circuit, an impulse counter, a serial interface, a clock controller, a data memory, a strong-magnetic field signal detection module, a filter and an AD converter, wherein the controller is respectively connected with the power-down detector, the oscillator circuit, the reset circuit and the watch-dog circuit, and is connected with the impulse counter, the serial interface, the clock controller, the data memory and the AD converter through interior buses. The chip capable of identifying strong-magnetic electricity stealing, which is provided by the invention, can timely detect illegal criminal behavior of electricity stealing thieves, and can timely give out an alarm signal to remind power network working personnel to investigate and treat timely, so that the power network security and the social security can be ensured.
Description
Technical field
The invention belongs to electric power anti-theft electricity technology field, particularly relate to a kind of chip that can identify strong magnetic stealing.
Background technology
In recent years, the stealing criminal offence except having disguise, mobility, the essential characteristic such as sudden, also presents specialization, high-technicalization, the trend of fleeing transprovincially, investigates and prosecutes difficulty increasing.From the case of investigating and prosecuting, part stealing family takes that the special messenger is on duty, installing monitoring remote control equipment, obstruct the power utility check personnel and enter scene, destroy the means such as the on-the-spot evidence of stealing rapidly, take precautions against, stop the inspection of opposing electricity-stealing, even besiege, abuse, hit the personnel of opposing electricity-stealing, so the problems such as investigation difficulty, evidence obtaining is difficult, processing is difficult of opposing electricity-stealing are comparatively outstanding.In a word, mainly there is at present following several respects problem:
When one, the power utility check personnel arrive the inspection of suspicion user measuring apparatus, the lawless person will remove such as the stealings such as Qiang Ci equipment in advance, be difficult to find.
Even phenomenons such as two discovery table casees are destroyed, owing to lacking strong evidence, the lawless person does not admit that stealing is true yet, causes the present situation of processing difficulty.
Three, the stealing mode such as Qiang Ci, because the power information acquisition system is difficult to find, is in the white space of monitoring at present.
In addition, some enterprises take the stealing mode to reduce operating cost, illegitimately make exorbitant profits, and have also destroyed simultaneously market fair competition principle, have damaged lawful operation person's of the same trade or business interests; Often cause the serious problems such as power supply and power use facilities damage, large-area power-cuts and personal injury, threaten power grid security and social safety, make a very bad impression, very harmful.How efficiently and effectively is carried out the line loss management work of power supply enterprise, further improves the management level of power supply enterprise, is the important topic of pendulum in face of power supply enterprise.
Strong magnetic stealing does not need to open the table case, destroys seal,, mainly by install strong magnet additional around the table tool, makes the inner sampling of table tool CT magnetic circuit saturated, affects the ammeter sample rate current, causes few quantity calculation.
Present intelligent electric meter has all adopted the intelligent metering chip, no matter is phase three-wire three, and the intelligent electric meter of three-phase and four-line, or single-phase resident's step price ammeter all are faced with same disturbed problem.
Summary of the invention
, in order to address the above problem, the object of the present invention is to provide a kind of chip that can identify strong magnetic stealing.
In order to achieve the above object, the chip that can identify strong magnetic stealing provided by the invention comprises: controller, detection of power loss device, pierce circuit, reset circuit, watchdog circuit, impulse meter, serial line interface, clock controller, data-carrier store, strong magnetic signal detection module, wave filter and AD conversion; Wherein: controller is the central processor unit of chip, it is connected with detection of power loss device, pierce circuit, reset circuit and watchdog circuit respectively, and by internal bus, with impulse meter, serial line interface, clock controller, data-carrier store and AD photograph, is connected;
The detection of power loss device is low-voltage detection circuit, and for generation of the low-voltage alerting signal, it is connected with the F0 pin of chip;
Pierce circuit is sheet internal oscillator circuit, is used to the controller clocking, and it is connected with the XTAL pin of chip;
Reset circuit is the electrify restoration circuit of chip, is used to controller that reseting pulse signal is provided, and it is connected with the REST pin of chip;
Watchdog circuit is the labormonitor circuit of chip, is used to controller that the watchdog reset function is provided, and it is connected with reset circuit;
Impulse meter is the pulse timing counter circuit, and it is connected with the INT0 pin of chip;
Serial line interface is serial communication interface circuit, is used for realizing that chip is connected with the serial communication of external device (ED), and it is connected with the TDX pin with the RDX pin of chip;
Clock controller is the clock controller interface circuit, is used for realizing that chip is connected with the serial communication of external clock chip, and it is connected with SDL pin, SCL pin and the PB0 pin of chip;
Data-carrier store comprises program storage and data-carrier store, and wherein program storage is used for the control program code of storage chip, and data-carrier store is used for storing data information;
Strong magnetic signal detection module is the high-intensity magnetic field signal deteching circuit, and for detection of the frequency values of input signal, it is connected with the INT1 pin of chip, and the strong magnetic signal that strong magnetic signal detection module will collect sends controller to through digital filter and AD conversion;
Wave filter is the simulating signal filtering circuit, and its input end is connected with strong magnetic signal detection module, is used for strong magnetic signal detection module output terminal simulating signal is carried out shaping filter;
AD is converted to analog-digital converter circuit, and its input end is connected with the output terminal of wave filter, is used for the filter output analog signal conversion is become digital signal, and by internal bus, passes to controller.
Described chip I NT1 pin is high-intensity magnetic field input input end, and it is connected with the high-intensity magnetic field sensor on being arranged on the table tool.
Described internal bus comprises: data bus, address bus and control bus.
Described strong magnetic signal detection module consists of comparator circuit and frequency counter.
The pin of described chip comprises: the 1st pin RDX, the 2nd pin TDX, the 3rd pin INT0, the 4th pin XTAL, the 5th pin F0, the 6th pin SDL, the 7th pin SCL, the 8th pin PB0, the 9th pin INT1, the 10th pin REST, the 11st pin VCC and the 12nd pin GND.
The chip that can identify strong magnetic stealing provided by the invention can in time be found the criminal offence of stealing molecule, and can in time send alerting signal, in time investigates and prosecutes to remind the network operation personnel, thereby can guarantee power grid security and social safety.
Description of drawings
Fig. 1 is the inner structure schematic diagram that can identify the chip of strong magnetic stealing provided by the invention.
Fig. 2 is the pin schematic diagram that can identify the chip of strong magnetic stealing provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the chip that can identify strong magnetic stealing provided by the invention is elaborated.
As shown in Figure 1, the chip that can identify strong magnetic stealing provided by the invention comprises: controller 1, detection of power loss device 2, pierce circuit 3, reset circuit 4, watchdog circuit 5, impulse meter 6, serial line interface 7, clock controller 8, data-carrier store 9, strong magnetic signal detection module 10, wave filter 11 and AD conversion 12; Wherein: controller 1 is central processing unit (CPU) unit of chip, it is the control core of whole chip, it is connected with detection of power loss device 2, pierce circuit 3, reset circuit 4 and watchdog circuit 5 respectively, and by internal bus, with impulse meter 6, serial line interface 7, clock controller 8, data-carrier store 9 and AD conversion 12, is connected;
Detection of power loss device 2 is low-voltage detection circuit, and for generation of the low-voltage alerting signal, it is connected with the F0 pin of chip;
Data-carrier store 9 comprises program storage and data-carrier store, and wherein program storage is used for the control program code of storage chip, and data-carrier store is used for storing data information;
Strong magnetic signal detection module 10 is the high-intensity magnetic field signal deteching circuit, frequency values for detection of input signal, it is connected with the INT1 pin of chip, and the strong magnetic signal that strong magnetic signal detection module 10 will collect, through digital filter 11 and AD conversion 12, sends controller 1 to;
Described chip I NT1 pin is high-intensity magnetic field input input end, and it is connected with the high-intensity magnetic field sensor on being arranged on the table tool.
Described internal bus comprises: data bus, address bus and control bus.
Described strong magnetic signal detection module 10 consists of comparator circuit and frequency counter, is used for measuring the strong magnetic signal frequency of input signal; Strong magnetic signal detection module 10 starts one-time detection every 2ms, and the result that will detect sends controller 1 to.
As shown in Figure 2, the pin that can identify the chip of strong magnetic stealing provided by the invention comprises: the 1st pin RDX, the 2nd pin TDX, the 3rd pin INT0, the 4th pin XTAL, the 5th pin F0, the 6th pin SDL, the 7th pin SCL, the 8th pin PB0, the 9th pin INT1, the 10th pin REST, the 11st pin VCC and the 12nd pin GND.
in case the stealing molecule adds and loads onto strong magnet around the table tool, near the table tool magnetic field intensity will change, at this moment the high-intensity magnetic field sensor that is arranged on the table tool can detect immediately, and the signal that will gather sends strong magnetic signal detection module 10 to, the strong magnetic signal that strong magnetic signal detection module 10 will detect again sends controller 1 to after wave filter 11 carries out shaping filter and AD conversion 12 analog to digital conversion, then utilize detection of power loss device 2 to produce the low-voltage alerting signal under the control of controller 1, remind thus the network operation personnel in time to investigate and prosecute the illegal electricity filching behavior of stealing molecule.
The technical characterstic of the chip that can identify strong magnetic stealing provided by the invention is as follows:
1) automatic gain control: automatic signal tracking, automatically to control and complete gain, optimum sensitivity receives signal;
2) support serial communication;
3) integrated level is high, and the miniature CPU of this chipset and modulating and demodulating signal function, can be combined well with existing electronic electric energy meter, in conjunction with after volume little, cost performance is high;
4) data of electrical energy pulse are processed and data storage capacities;
5) communication speed is high: 1Kbps;
6)+5V voltage power supply;
The range of application that can identify the chip of strong magnetic stealing provided by the invention:
1) low-voltage platform area line of electric force metering system;
2) height is presented a theatrical performance as the last item on a programme and is distinguished the line of electric force metering system;
Through a large amount of research and test, the chip that can identify strong magnetic stealing provided by the invention can realize gathering rapidly and accurately strong magnetic signal.
Claims (5)
1. the chip that can identify strong magnetic stealing, it is characterized in that: described chip comprises: controller (1), detection of power loss device (2), pierce circuit (3), reset circuit (4), watchdog circuit (5), impulse meter (6), serial line interface (7), clock controller (8), data-carrier store (9), strong magnetic signal detection module (10), wave filter (11) and AD change (12); Wherein: controller (1) is the central processor unit of chip, it is connected with detection of power loss device (2), pierce circuit (3), reset circuit (4) and watchdog circuit (5) respectively, and by internal bus, with impulse meter (6), serial line interface (7), clock controller (8), data-carrier store (9) and AD conversion (12), is connected;
Detection of power loss device (2) is low-voltage detection circuit, and for generation of the low-voltage alerting signal, it is connected with the F0 pin of chip;
Pierce circuit (3) is sheet internal oscillator circuit, is used to controller (1) clocking, and it is connected with the XTAL pin of chip;
Reset circuit (4) is the electrify restoration circuit of chip, is used to controller (1) that reseting pulse signal is provided, and it is connected with the REST pin of chip;
Watchdog circuit (5) is the labormonitor circuit of chip, is used to controller (1) that the watchdog reset function is provided, and it is connected with reset circuit 4;
Impulse meter (6) is the pulse timing counter circuit, and it is connected with the INT0 pin of chip;
Serial line interface (7) is serial communication interface circuit, is used for realizing that chip is connected with the serial communication of external device (ED), and it is connected with the TDX pin with the RDX pin of chip;
Clock controller (8) is the clock controller interface circuit, is used for realizing that chip is connected with the serial communication of external clock chip, and it is connected with SDL pin, SCL pin and the PB0 pin of chip;
Data-carrier store (9) comprises program storage and data-carrier store, and wherein program storage is used for the control program code of storage chip, and data-carrier store is used for storing data information;
Strong magnetic signal detection module (10) is the high-intensity magnetic field signal deteching circuit, frequency values for detection of input signal, it is connected with the INT1 pin of chip, and the strong magnetic signal that strong magnetic signal detection module (10) will collect sends controller (1) to through digital filter (11) and AD conversion (12);
Wave filter (11) is the simulating signal filtering circuit, and its input end is connected with strong magnetic signal detection module (10), is used for strong magnetic signal detection module (10) output terminal simulating signal is carried out shaping filter;
AD conversion (12) is analog-digital converter circuit, and its input end is connected with the output terminal of wave filter (11), is used for wave filter (11) output terminal analog signal conversion is become digital signal, and by internal bus, passes to controller (1).
2. chip according to claim 1, it is characterized in that: described chip I NT1 pin is high-intensity magnetic field input input end, it is connected with the high-intensity magnetic field sensor on being arranged on the table tool.
3. chip according to claim 1, it is characterized in that: described internal bus comprises: data bus, address bus and control bus.
4. chip according to claim 1, it is characterized in that: described strong magnetic signal detection module (10) consists of comparator circuit and frequency counter.
5. chip according to claim 1, it is characterized in that: the pin of described chip comprises: the 1st pin RDX, the 2nd pin TDX, the 3rd pin INT0, the 4th pin XTAL, the 5th pin F0, the 6th pin SDL, the 7th pin SCL, the 8th pin PB0, the 9th pin INT1, the 10th pin REST, the 11st pin VCC and the 12nd pin GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103604009A CN103399187A (en) | 2013-08-19 | 2013-08-19 | Chip capable of identifying strong-magnetic electricity stealing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103604009A CN103399187A (en) | 2013-08-19 | 2013-08-19 | Chip capable of identifying strong-magnetic electricity stealing |
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| CN103399187A true CN103399187A (en) | 2013-11-20 |
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| CN2013103604009A Pending CN103399187A (en) | 2013-08-19 | 2013-08-19 | Chip capable of identifying strong-magnetic electricity stealing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514988A (en) * | 2017-08-17 | 2017-12-26 | 福建省永正工程质量检测有限公司 | A kind of building structure Detection of Stability system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5017861A (en) * | 1988-11-24 | 1991-05-21 | Rohm Co., Ltd. | Meter driving apparatus |
| US6118284A (en) * | 1996-10-04 | 2000-09-12 | Ghoshal; Uttam S. | High speed magnetic flux sampling |
| CN1510426A (en) * | 2002-12-16 | 2004-07-07 | 伟 吴 | Electromagnetic interference diagnostic method and system |
| CN1879024A (en) * | 2003-10-08 | 2006-12-13 | 国家空间研究中心 | Magnetic-field-measuring device |
| CN202126719U (en) * | 2011-08-04 | 2012-01-25 | 张春来 | Electronic prepaying watt-hour meter |
| CN202583287U (en) * | 2012-04-18 | 2012-12-05 | 哈尔滨电业局 | Electricity stealing preventing alarm of electric meter box |
-
2013
- 2013-08-19 CN CN2013103604009A patent/CN103399187A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5017861A (en) * | 1988-11-24 | 1991-05-21 | Rohm Co., Ltd. | Meter driving apparatus |
| US6118284A (en) * | 1996-10-04 | 2000-09-12 | Ghoshal; Uttam S. | High speed magnetic flux sampling |
| CN1510426A (en) * | 2002-12-16 | 2004-07-07 | 伟 吴 | Electromagnetic interference diagnostic method and system |
| CN1879024A (en) * | 2003-10-08 | 2006-12-13 | 国家空间研究中心 | Magnetic-field-measuring device |
| CN202126719U (en) * | 2011-08-04 | 2012-01-25 | 张春来 | Electronic prepaying watt-hour meter |
| CN202583287U (en) * | 2012-04-18 | 2012-12-05 | 哈尔滨电业局 | Electricity stealing preventing alarm of electric meter box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514988A (en) * | 2017-08-17 | 2017-12-26 | 福建省永正工程质量检测有限公司 | A kind of building structure Detection of Stability system |
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Application publication date: 20131120 |