CN206321701U - EMP attack N detection means and its electric energy meter being made - Google Patents
EMP attack N detection means and its electric energy meter being made Download PDFInfo
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- CN206321701U CN206321701U CN201621308344.XU CN201621308344U CN206321701U CN 206321701 U CN206321701 U CN 206321701U CN 201621308344 U CN201621308344 U CN 201621308344U CN 206321701 U CN206321701 U CN 206321701U
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Abstract
The utility model discloses a kind of EMP attack N detection means, including controller module, power module, communication module, data conversion module, pulsed magnetic field attack detection module, transient electric field and electromagnetic field attack detection module and Magnetic Sensor detection module；Power module is powered；Pulsed magnetic field attack detection module, transient electric field and electromagnetic field attack detection module and Magnetic Sensor detection module connect controller module by data conversion module；Communication module connects controller module.The utility model additionally provides the electric energy meter being made using the EMP attack N detection means.The environment that the utility model is installed by the detection circuit of polymorphic type to detection means carries out electromagnetic detection, therefore, it is possible to detect polymorphic type electricity, magnetic attack and signal to attack collection, the judgement of attack strength and attack type judgement can be carried out, and it can conveniently access all types of intelligent electric energy meters or other electronic products.
Description
Technical field
The utility model belongs to measurement and control area, and in particular to a kind of EMP attack N detection means and its electric energy meter being made.
Background technology
With the development and the improvement of people's living standards of national economy technology, intelligent electric energy meter has been widely used for people
Production and life among, brought great convenience.
The main function of intelligent electric energy meter is that electric energy is measured and settled accounts.But, intelligent electric energy meter is to belong to electronics
Equipment, therefore it is easily influenceed by electromagnetic interference.Under strong electromagnetic attack context, intelligent electric energy meter may work shakiness
Fixed, while function of measuring can also be affected, using intelligent electric energy meter, this characteristic applies EMP attack N to criminal to it, with
Reach the purpose of stealing.Although intelligent electric energy meter needs to be required according to relevant criterion, test, can not also protect by strict EMC
Demonstrate,prove its stable operation under the conditions of unconventional EMP attack N.
Current electricity filching means high-technicalization increasingly, a large amount of specialty stealing equipment cause electric energy meter operation troubles, wherein electromagnetism
Electricity filching behavior is due to its concealment, without obvious stealing vestige, strong electromagnetic is attacked remove after, intelligent electric energy meter recovers normal operation, supplies
Electricity side can not obtain stealing situation, and inspection and delayed, related electric quantity compensating of collecting evidence also are supported without valid data.At present, pin
To the electricity filching behavior of the anti-intensive magnetism attack of intelligent electric energy meter, supported without correlation effective solution and equipment.
Utility model content
The purpose of this utility model be provide it is a kind of can detect polymorphic type EMP attack N and can to attack believe
Attack type number is acquired and completes to judge, can conveniently access the EMP attack N detection means of all types of intelligent electric energy meters.
The two of the purpose of this utility model are to provide a kind of application EMP attack N detection means to carry out EMP attack N
The intelligent electric energy meter of detection.
This EMP attack N detection means that the utility model is provided, including controller module, power module, communication mould
Block, data conversion module, pulsed magnetic field attack detection module, transient electric field and electromagnetic field attack detection module and Magnetic Sensor inspection
Survey module；Power module is powered to the EMP attack N detection means；Pulsed magnetic field attack detection module is used to detect in environment
Pulsed magnetic field attack, and export the pulsed magnetic field signal to attack that detects；Transient electric field and electromagnetic field attack detection module
For detecting transition power plant and electromagnetic field attack in environment, and export the transient electric field detected and electromagnetic field signal to attack；
Magnetic Sensor detection module is used to detect the Magnetic Field in environment, and exports the magnetic field signal detected；Described pulsed magnetic
Field attack detection module, transient electric field and electromagnetic field attack detection module and Magnetic Sensor detection module pass through data conversion mould
Block is connected with controller module；Communication module is connected with controller module, and row data communication is entered for controller module and outside.
Described controller module is the controller module with ∑-△ type AD conversion functions.
Described Magnetic Sensor detection module includes 1 dimension Magnetic Sensor detection circuit and 3-dimensional Magnetic Sensor detection circuit.
Described EMP attack N detection means also includes display module；Display module is connected with controller module, for inciting somebody to action
The job information of the EMP attack N detection means is shown.
Described pulsed magnetic field attack detection module, including detection inductance, protection diode, integrating capacitor, current-limiting resistance,
First clamp diode, the second clamp diode and bleeder circuit；Detection inductance connected with protection diode after with integrating capacitor
It is in parallel；First clamp diode and the second clamp diode are serially connected between power supply and ground；The positive pole of integrating capacitor passes through current limliting
Resistance is connected to the anode of the first clamp diode, while also passing through bleeder circuit output detection signal；First clamp two
The negative electrode short circuit of the anode of pole pipe and the second clamp diode.
Described pulsed magnetic field attack detection module also includes anti-aliasing circuit, and the anti-aliasing pulsed magnetic field that is electrically connected to is attacked
Hit between the output end of detection module and controller module, for preventing that frequency is superimposed in the signal of multiple proportion in time domain.
Described transient electric field and electromagnetic field attack detection module include detection inductance, protection diode, integrating capacitor, limit
Leakage resistance, electromagnetic field detection diode, transient electric field detection diode and sample circuit, and described transient electric field and electromagnetic field
All circuit devcie centralized arrangements of attack detection module will cover copper on pcb board, and below circuit devcie；Electromagnetic field detection two
Pole pipe and transient electric field detection diode are serially connected between positive source and ground；The positive pole of integrating capacitor is connected by current-limiting resistance
To the anode of electromagnetic field detection diode, while also passing through sample circuit output detection signal；The transient electric field detects two poles
The negative electrode of anode and transient electric field the detection diode of pipe is shorted together.
Described transient electric field and electromagnetic field attack detection module also include anti-aliasing circuit, anti-aliasing to be electrically connected to wink
Between changed electric field and the output end and controller module of electromagnetic field attack detection module, for preventing that frequency is in the letter of multiple proportion
Number time domain superposition.
The utility model additionally provides a kind of electric energy meter for applying above-mentioned EMP attack N detection means to be made.
This EMP attack N detection means that the utility model is provided, by the detection circuit of polymorphic type to detection means institute
The environment of installation carries out electromagnetic detection, therefore, it is possible to detect polymorphic type electricity, magnetic attack and signal to attack collection can be carried out,
The judgement of attack strength and attack type judge, and can conveniently access all types of intelligent electric energy meters or other electronic products；
In addition, EMP attack N detection means provided by the utility model, is used not only for intelligent electric energy meter, additionally it is possible to for other
All types of measuring instruments, such as electric energy meter, water meter, gas meter, flow meter, calorimeter etc., it can also be used to which other any need carry out transition
The electronic equipment of electric field, electromagnetic field or pulsed magnetic field detection, including electric energy management terminal, distribution terminal, electric energy quality monitoring are set
Standby, grid automation terminal, acquisition terminal, concentrator, data acquisition unit, measuring instrument write by hand device etc..
Brief description of the drawings
Fig. 1 is the functional block diagram of detection means of the present utility model.
Fig. 2 is the circuit theory diagrams of pulsed magnetic field attack detection module of the present utility model.
Fig. 3 is the circuit theory diagrams of transient electric field of the present utility model and electromagnetic field attack detection module.
Fig. 4 exports schematic diagram for the typical waveform of pulsed magnetic field attack detection module of the present utility model.
Fig. 5 is transient electric field of the present utility model and electromagnetic field attack detection module when detecting transient electric field attack
Typical waveform exports schematic diagram.
Fig. 6 is the allusion quotation of transient electric field of the present utility model and electromagnetic field attack detection module when detecting electromagnetic field attack
Type waveform exports schematic diagram.
Embodiment
It is the functional block diagram of detection means of the present utility model as shown in Figure 1：This electromagnetism that the utility model is provided
Attack detecting device, including controller module, power module, communication module, data conversion module, pulsed magnetic field attack detecting mould
Block, transient electric field and electromagnetic field attack detection module, Magnetic Sensor detection module and display module；Power module gives the electromagnetism
Attack detecting device is powered；Pulsed magnetic field attack detection module is used for the attack for detecting the pulsed magnetic field in environment, and exports inspection
The pulsed magnetic field signal to attack measured；Transition power plant that transient electric field and electromagnetic field attack detection module are used to detect in environment and
Electromagnetic field is attacked, and exports the transient electric field detected and electromagnetic field signal to attack；Magnetic Sensor detection module is used to detect ring
Magnetic field existence information in border, and export the magnetic field signal detected；Described pulsed magnetic field attack detection module, transient electric field
It is connected with electromagnetic field attack detection module and Magnetic Sensor detection module by data conversion module with controller module；Communication
Module is connected with controller module, and row data communication is entered for controller module and outside；Display module connects with controller module
Connect, for the job information of the EMP attack N detection means to be shown.Controller module is with ∑-△ type AD conversion
The controller module of function.Magnetic Sensor detection module includes 1 dimension Magnetic Sensor detection circuit and 3-dimensional Magnetic Sensor detection electricity
Road.
It is illustrated in figure 2 the circuit theory diagrams of pulsed magnetic field attack detection module of the present utility model：Pulsed magnetic field is attacked
Detection module, including detection inductance, protection diode, integrating capacitor, current-limiting resistance, the first clamp diode, the second clamp two
Pole pipe and bleeder circuit；Detection inductance is in parallel with integrating capacitor after being connected with protection diode；First clamp diode and second
Clamp diode is serially connected between power supply and ground；The positive pole of integrating capacitor is connected to the first clamp diode by current-limiting resistance
Anode, while also passing through bleeder circuit output detection signal；The anode and the second clamp diode of first clamp diode
Negative electrode be shorted together；In addition, the rear end of pulsed magnetic field attack detection module is also associated with anti-aliasing circuit, anti-aliasing circuit
It is connected between the output end of pulsed magnetic field attack detection module and controller module, for preventing that frequency is in the letter of multiple proportion
Number time domain superposition.
When detection inductance L1 is attacked by vertical direction pulsed magnetic field, it can produce damped oscillation signal, through the pole of overprotection two
After the processing of tubing halfwave rectifier, half-wave voltage signal is integrated by integrating capacitor C1, and the voltage on integrating capacitor C1 is in a short time
Constantly cumulative rise, the voltage signal passes through bleeder circuit（R3 and R4 is indicated in figure）Partial pressure is carried out, the voltage signal finally enters
Enter in analog sampling AD, when the voltage that pulsed magnetic field attack applies on interference gap, integrating capacitor C1 is slow by resistance loop
Release, therefore pulsed magnetic field attack disturbs the analog signal sample data sequence produced in the wave character for the slow drop that skyrockets（Such as Fig. 4
It is shown）, the electricity filching behavior for disturbing and implementing using pulsed magnetic field is can be determined that using this feature.
It is illustrated in figure 3 the circuit theory diagrams of transient electric field of the present utility model and electromagnetic field attack detection module：Transition
Electric field and electromagnetic field attack detection module include detection inductance, protection diode, integrating capacitor, current-limiting resistance, electromagnetic field detection
Diode, transient electric field detection diode and sample circuit, and described transient electric field and the institute of electromagnetic field attack detection module
There is circuit devcie centralized arrangement on pcb board, and the lying copper region domain below copper, and the circuit devcie is covered below circuit devcie
For the transient electric field and the detection part of electromagnetic field attack detection module, for transient electric field in coupled room or electromagnetic field
Signal；Electromagnetic field detection diode and transient electric field detection diode are serially connected between positive source and ground；Integrating capacitor is just
Pole is connected to the anode of electromagnetic field detection diode by current-limiting resistance, while also passing through sample circuit output detection signal；Institute
The negative electrode of the anode and transient electric field detection diode of stating transient electric field detection diode is shorted together；In addition, transient electric field
Anti-aliasing circuit is also associated with the rear end of electromagnetic field attack detection module, it is anti-aliasing to be electrically connected to transient electric field and electromagnetic field
Between the output end and controller module of attack detection module, for preventing that frequency is superimposed in the signal of multiple proportion in time domain.
Inductance L1, protection diode D1, integrating capacitor C1 are detected, for acquisition pulse magnetic field EMP attack N interference signal,
The attack interference effect has obvious characteristic in this circuitry processes, and sampled value is very big, and the purpose of the circuit is to exclude such electricity
The judgement of interference is attacked transient electric field and electro magnetic field electromagnetic in magnetic attack interference.Transient electric field detects diode D3 by transient electric field
After attack interference, the distribution of its internal charge changes, and its internal reversely potential barrier changes, the sampled circuit of the change（Figure
Middle sign R2 and R4）The change is exported to simulation output mouthful.The analog signal sampled data that transient electric field attack interference is produced
Sequence is in " spike behavior ", the wave character of " two ends distribution is less "（As shown in Figure 5）.
Electromagnetic field detection diode D2 is by after electromagnetic field attack interference, and the distribution of its internal charge changes, and it is internal anti-
Changed to potential barrier, the sampled circuit of the change（R2 and R4 is indicated in figure）The change is exported to simulation output mouthful.In addition
Being covered copper by PCB is influenceed, and electromagnetic field detection diode D2 leakage currents are increased, and the electric current flows through sample circuit and produces partial pressure, the portion
Component voltage is exported to simulation output mouthful.Electromagnetic field attack interference produce analog signal sample data sequence in " spike behavior ",
" two ends are distributed on a small quantity ", the wave character of " middle a large amount of distributions "（As shown in Figure 6）.
Claims (9)
1. a kind of EMP attack N detection means, it is characterised in that turn including controller module, power module, communication module, data
Change the mold block, pulsed magnetic field attack detection module, transient electric field and electromagnetic field attack detection module and Magnetic Sensor detection module；Electricity
Source module is powered to the EMP attack N detection means；Pulsed magnetic field attack detection module is used to detect the pulsed magnetic field in environment
Attack, and export the pulsed magnetic field signal to attack that detects；Transient electric field and electromagnetic field attack detection module are used to detect ring
Transient electric field and electromagnetic field attack in border, and export the transient electric field detected and electromagnetic field signal to attack；Magnetic Sensor is examined
Surveying module is used to detect the Magnetic Field in environment, and exports the magnetic field signal detected；Described pulsed magnetic field attack detecting
Module, transient electric field and electromagnetic field attack detection module and Magnetic Sensor detection module pass through data conversion module and controller
Module is connected；Communication module is connected with controller module, and row data communication is entered for controller module and outside.
2. EMP attack N detection means according to claim 1, it is characterised in that described controller module be with ∑-
The controller module of △ type AD conversion functions.
3. EMP attack N detection means according to claim 1, it is characterised in that described Magnetic Sensor detection module bag
Include 1 dimension Magnetic Sensor detection circuit and 3-dimensional Magnetic Sensor detection circuit.
4. EMP attack N detection means according to claim 1, it is characterised in that described EMP attack N detection means is also
Including display module；Display module is connected with controller module, for the job information of the EMP attack N detection means to be entered
Row display.
5. the EMP attack N detection means according to one of claim 1 ~ 4, it is characterised in that described pulsed magnetic field attack
Detection module includes detection inductance, protection diode, integrating capacitor, current-limiting resistance, the first clamp diode, the second two poles of clamp
Pipe and bleeder circuit；Detection inductance is in parallel with integrating capacitor after being connected with protection diode；First clamp diode and the second pincers
Position diode is serially connected between power supply and ground；The positive pole of integrating capacitor is connected to the sun of the first clamp diode by current-limiting resistance
Pole, while also passing through bleeder circuit output detection signal；The anode of first clamp diode and the second clamp diode
Negative electrode short circuit.
6. EMP attack N detection means according to claim 5, it is characterised in that described pulsed magnetic field attack detecting mould
Block also includes anti-aliasing circuit, the anti-aliasing output end for being electrically connected to pulsed magnetic field attack detection module and controller module it
Between, for preventing that frequency is superimposed in the signal of multiple proportion in time domain.
7. the EMP attack N detection means according to one of claim 1 ~ 4, it is characterised in that described transient electric field and electricity
Magnetic field attack detection module includes detection inductance, protection diode, integrating capacitor, current-limiting resistance, electromagnetic field detection diode, wink
Changed electric field detects diode and sample circuit, and described transient electric field and all circuit devcies of electromagnetic field attack detection module
Centralized arrangement will cover copper on pcb board, and below circuit devcie；Electromagnetic field detection diode and transient electric field detection diode string
It is connected between positive source and ground；The positive pole of integrating capacitor is connected to the anode of electromagnetic field detection diode by current-limiting resistance,
Also pass through sample circuit output detection signal simultaneously；The anode of the transient electric field detection diode detects two poles with transient electric field
The negative electrode short circuit of pipe.
8. EMP attack N detection means according to claim 7, it is characterised in that described transient electric field and electromagnetic field is attacked
Hitting detection module also includes anti-aliasing circuit, the anti-aliasing output for being electrically connected to transient electric field and electromagnetic field attack detection module
Between end and controller module, for preventing that frequency is superimposed in the signal of multiple proportion in time domain.
9. a kind of intelligent electric energy meter, it is characterised in that entered using the EMP attack N detection means as described in one of claim 1 ~ 8
The detection of row EMP attack N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308344.XU CN206321701U (en) | 2016-12-01 | 2016-12-01 | EMP attack N detection means and its electric energy meter being made |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308344.XU CN206321701U (en) | 2016-12-01 | 2016-12-01 | EMP attack N detection means and its electric energy meter being made |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321701U true CN206321701U (en) | 2017-07-11 |
Family
ID=59264791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308344.XU Withdrawn - After Issue CN206321701U (en) | 2016-12-01 | 2016-12-01 | EMP attack N detection means and its electric energy meter being made |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483371A (en) * | 2016-12-01 | 2017-03-08 | 威胜集团有限公司 | EMP attack N detection means, detection method and its electric energy meter that makes |
-
2016
- 2016-12-01 CN CN201621308344.XU patent/CN206321701U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483371A (en) * | 2016-12-01 | 2017-03-08 | 威胜集团有限公司 | EMP attack N detection means, detection method and its electric energy meter that makes |
| CN106483371B (en) * | 2016-12-01 | 2023-03-14 | 威胜集团有限公司 | Electromagnetic attack detection device and method and electric energy meter manufactured by same |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20230314 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20230314 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |