CN202548171U - Anti-theft electromagnetic field monitoring device and system - Google Patents
Anti-theft electromagnetic field monitoring device and system Download PDFInfo
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- CN202548171U CN202548171U CN2011205134201U CN201120513420U CN202548171U CN 202548171 U CN202548171 U CN 202548171U CN 2011205134201 U CN2011205134201 U CN 2011205134201U CN 201120513420 U CN201120513420 U CN 201120513420U CN 202548171 U CN202548171 U CN 202548171U
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- 238000012806 monitoring device Methods 0.000 title abstract 2
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 238000012544 monitoring process Methods 0.000 claims description 31
- 238000004891 communication Methods 0.000 claims description 24
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Abstract
The utility model discloses an anti-theft electromagnetic field monitoring device and a system. The device comprises an alternating magnetic field detection module, a constant magnetic field detection module, a logical combination circuit and a micro controller. The logical output ends of the alternating magnetic field detection module and the constant magnetic field detection module are respectively connected with the input port of the logical combination circuit. The output port of the logical combination circuit is electrically connected with the input end of the micro controller. According to the utility model, the variation condition of an anomalous field around an electric energy metering device is acquired through a detection module for detecting an alternating magnetic field and a detection module for detecting a constant magnetic field. Meanwhile, whether an electric energy metering device is operated under the normal environment or not can be determined based on the processing result of the logical combination circuit and a singlechip. Thus, the electricity stealing phenomenon through the magnetic field interference manner can be prevented.
Description
Technical field
The utility model relates to electric energy monitoring of tools technical field, more particularly, relates to a kind of anti-electricity-theft magnetic field monitoring equipment and system.
Background technology
The user side electric power meter is the terminal of realizing the metering of user power utilization amount, and main type comprises electric energy meter and measure Current Transformer etc. that it utilizes the electromagnetic induction unit under normal magnetic field intensity, to realize the preset accuracy of measuring and the precision for electric energy.
But because the electromagnetic induction unit is vulnerable to changes of magnetic field influence, promptly high-intensity magnetic field will disturb the operate as normal of electric power meter, cause said electric power meter accurately not indicate power consumption and reached the purpose of stealing by certain user's utilization.
So need the generation that a kind of watch-dog to electric power meter prevents stealing electricity phenomenon badly.
The utility model content
In view of this, the utility model provides a kind of anti-electricity-theft magnetic field monitoring equipment and system, judges to realize the electromagnetic field around the monitoring electric power meter whether it is operated under the environment of normal magnetic field, guarantees the correct metering of electric power meter to electric energy.
A kind of anti-electricity-theft magnetic field monitoring equipment comprises: alternating magnetic field detection module, stationary magnetic field detection module, logic combination circuit and microcontroller, wherein:
Said alternating magnetic field detection module is connected with the input port of said logic combination circuit respectively with the logic output terminal of said stationary magnetic field detection module;
The output port of said logic combination circuit is electrically connected with the input end of said microcontroller.
In order to improve such scheme, said equipment also comprises: the communication module that is connected with said microcontroller output terminal.
Preferably, said communication module is specially the GPRS communication module.
Said alternating magnetic field detection module comprises alternating magnetic field sensor, signal amplification circuit and the comparator circuit that connects successively.
Said stationary magnetic field detection module comprises stationary magnetic field sensor, signal amplification circuit and the comparator circuit that connects successively.
A kind of anti-electricity-theft magnetic field monitoring equipment system, electric power meter, a plurality of anti-electricity-theft magnetic fields monitoring equipment, communication network and server;
Said anti-electricity-theft magnetic field monitoring equipment comprises: alternating magnetic field detection module, stationary magnetic field detection module, logic combination circuit and microcontroller, wherein:
Said alternating magnetic field detection module is connected with the input port of said logic combination circuit respectively with the signal output part of said stationary magnetic field detection module;
The output port of said logic combination circuit is electrically connected with the input end of said microcontroller;
Said alternating magnetic field detection module and stationary magnetic field detection module detect the changes of magnetic field information of said electric power meter;
Said server is through communication network and said a plurality of anti-electricity-theft magnetic field monitoring equipment data interaction.
Preferably, said communication network is specially the GPRS communication network.
In order to improve such scheme, said system also comprises: the warning device that is connected with said server.
Can find out from above-mentioned technical scheme; The utility model embodiment utilizes detection module that detects alternating magnetic field and the detection module that detects the stationary magnetic field to gather electric power meter anomalous field situation of change on every side; Processing through logic combination circuit and single-chip microcomputer; To judge whether said electric power meter is operated under the normal environment, the phenomenon that prevents to adopt the method for magnetic interference to carry out stealing takes place; And the remote transmission module of said device through being provided with to server, reaches the purpose of a plurality of users' of macroscopic view monitoring electric power meter state with the anomalous field information uploading.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed a kind of anti-electricity-theft magnetic field of a utility model embodiment monitoring equipment structural representation;
Fig. 2 is the disclosed a kind of anti-electricity-theft magnetic field of a utility model embodiment monitoring system structural representation.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of anti-electricity-theft magnetic field monitoring equipment and system, judges to realize the electromagnetic field around the monitoring electric power meter whether it is operated under the environment of normal magnetic field, guarantees the correct metering of electric power meter to electric energy.
Fig. 1 shows a kind of anti-electricity-theft magnetic field monitoring equipment and comprises:
Alternating magnetic field detection module 11, stationary magnetic field detection module 12, logic combination circuit 13 and microcontroller 14, wherein:
Said alternating magnetic field detection module 11 is connected with the input port of said logic combination circuit 13 respectively with the logic output terminal of said stationary magnetic field detection module 12;
The output port 13 of said logic combination circuit is electrically connected with the input end of said microcontroller 14;
And, the communication module 15 that is connected with said microcontroller 14 output terminals.
As shown in the figure; Show the inner structure of said alternating magnetic field detection module 11; Comprise: the alternating magnetic field sensor 111, signal amplification circuit 112 and the comparator circuit 113 that connect successively; Said alternating magnetic field detection module 11 is caught the field signal of electric power meter through the magnetic test coil of said alternating magnetic field sensor 111; Utilize 112 pairs of these field signals of signal amplification circuit to amplify, judge that through said comparator circuit 113 whether this field signal exceeds the preset signals value and export the CL Compare Logic value, need not to give unnecessary details ground; Judge whether each detection module has out-of-limit signal after alternating magnetic field CL Compare Logic value and the stationary magnetic field CL Compare Logic value computing of said logic combination circuit 13 with input; In case occur out-of-limit signal on a certain detection module, then this signal is passed to the control module of single-chip microcomputer, carry out remote transmission and subsequent treatment according to the communication protocol of communication module 15.
Need to prove; The concrete connection of above-mentioned detection module and way of realization are not limited to the above-mentioned form of enumerating; And said communication module preferred for the GPRS communication module to utilize the GPRS technology maturation, characteristics such as signal high-quality and broad covered area reach the wide and high purpose of precision of monitoring range.
Fig. 2 shows anti-electricity-theft magnetic field monitoring equipment system, comprising:
Said anti-electricity-theft magnetic field monitoring equipment 22 referring to Fig. 1 diagram and respective description, comprising: alternating magnetic field detection module 11, stationary magnetic field detection module 12, logic combination circuit 13 and microcontroller 14, wherein:
Said alternating magnetic field detection module 11 is connected with the input port of said logic combination circuit 13 respectively with the logic output terminal of said stationary magnetic field detection module 12;
The output port 13 of said logic combination circuit is electrically connected with the input end of said microcontroller 14;
The changes of magnetic field information of said alternating magnetic field detection module 11 and the said electric power meter 21 of stationary magnetic field detection module 12 detections;
Said server 24 is through thief-proof equipment 22 data interactions of communication network 23 with said a plurality of monitoring electric power meter 22 electromagnetic fields.
It should be explicitly made clear at this point that as preferably, said communication network is specially the GPRS communication network; Mutual in order to cooperate with data in server, can in said monitoring equipment, integrate the communication module 15 that is connected with said microcontroller 14 output terminals, also can be provided with separately certainly, do not limit to.
In addition, also show the warning device 25 that is connected with said server among the figure, be to find have magnetic field can learn immediately unusually in case the purpose of this warning device is set, thereby improve the ageing of monitoring and subsequent treatment.
It is inner that said monitoring equipment 22 is positioned over the magnetic field that can have influence on said electric power meter, and concrete placement location is not done too much explanation and restriction.
This equipment and system are particularly useful for the bigger factories and miness district of power consumption and the electricity consumption user's of the place that be difficult for to get into privacy mechanisms such as () armies electricity consumption monitoring, but is not limited to the above-mentioned application scenarios of enumerating.
The parts of said thief-proof equipment cooperate and principle of work illustrates and respective description referring to Fig. 1, repeat no more.
In sum:
Utilize detection module that detects alternating magnetic field and the detection module that detects the stationary magnetic field to gather electric power meter anomalous field situation of change on every side; Processing through logic combination circuit and single-chip microcomputer; To judge whether said electric power meter is operated under the normal environment, the phenomenon that prevents to adopt the method for magnetic interference to carry out stealing takes place; And the remote transmission module of said device through being provided with to server, reaches the purpose of a plurality of users' of macroscopic view monitoring electric power meter state with the anomalous field information uploading.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. an anti-electricity-theft magnetic field monitoring equipment is characterized in that, comprising: alternating magnetic field detection module, stationary magnetic field detection module, logic combination circuit and microcontroller, wherein:
Said alternating magnetic field detection module is connected with the input port of said logic combination circuit respectively with the logic output terminal of said stationary magnetic field detection module;
The output port of said logic combination circuit is electrically connected with the input end of said microcontroller.
2. thief-proof equipment according to claim 1 is characterized in that, also comprises: the communication module that is connected with said microcontroller output terminal.
3. thief-proof equipment according to claim 2 is characterized in that said communication module is specially the GPRS communication module.
4. thief-proof equipment according to claim 1 is characterized in that, said alternating magnetic field detection module comprises alternating magnetic field sensor, signal amplification circuit and the comparator circuit that connects successively.
5. thief-proof equipment according to claim 1 is characterized in that, said stationary magnetic field detection module comprises stationary magnetic field sensor, signal amplification circuit and the comparator circuit that connects successively.
6. an anti-electricity-theft magnetic field monitoring equipment system is characterized in that electric power meter, a plurality of anti-electricity-theft magnetic fields monitoring equipment, communication network and server;
Said anti-electricity-theft magnetic field monitoring equipment comprises: alternating magnetic field detection module, stationary magnetic field detection module, logic combination circuit and microcontroller, wherein:
Said alternating magnetic field detection module is connected with the input port of said logic combination circuit respectively with the signal output part of said stationary magnetic field detection module;
The output port of said logic combination circuit is electrically connected with the input end of said microcontroller;
Said alternating magnetic field detection module and stationary magnetic field detection module detect the changes of magnetic field information of said electric power meter;
Said server is through communication network and said a plurality of anti-electricity-theft magnetic field monitoring equipment data interaction.
7. system according to claim 6 is characterized in that said communication network is specially the GPRS communication network.
8. system according to claim 6 is characterized in that, also comprises: the warning device that is connected with said server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205134201U CN202548171U (en) | 2011-12-09 | 2011-12-09 | Anti-theft electromagnetic field monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205134201U CN202548171U (en) | 2011-12-09 | 2011-12-09 | Anti-theft electromagnetic field monitoring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548171U true CN202548171U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205134201U Expired - Lifetime CN202548171U (en) | 2011-12-09 | 2011-12-09 | Anti-theft electromagnetic field monitoring device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548171U (en) |
-
2011
- 2011-12-09 CN CN2011205134201U patent/CN202548171U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121218 Address after: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee after: Chongqing Electric Power Corp., China Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Patentee before: Chongqing Electric Power Corp., China Electric Power Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |