CN113589010A - Intelligent ammeter capable of preventing strong magnetic interference - Google Patents
Intelligent ammeter capable of preventing strong magnetic interference Download PDFInfo
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- CN113589010A CN113589010A CN202110874537.0A CN202110874537A CN113589010A CN 113589010 A CN113589010 A CN 113589010A CN 202110874537 A CN202110874537 A CN 202110874537A CN 113589010 A CN113589010 A CN 113589010A
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 112
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005292 diamagnetic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses an intelligent ammeter capable of preventing strong magnetic interference, and relates to the technical field of intelligent ammeters, wherein the intelligent ammeter comprises an ammeter, an ammeter box, a magnetic field shielding protective shell, a magnetic field detection sensor, a distance sensor, a reed switch, a controller and an alarm device; the magnetic field shielding protective shell is arranged in the electric meter box, the electric meter is arranged in the magnetic field shielding protective shell, the magnetic field detection sensor and the distance sensor are arranged on the magnetic field shielding protective shell, the reed switch and the controller are arranged in the electric meter box, and the alarm device is arranged outside the electric meter box; the controller is respectively connected with the magnetic field detection sensor, the distance sensor, the alarm device and the tripping circuit, and the reed switch is connected with the tripping circuit. According to the intelligent ammeter, the magnetic field shielding protective shell is used for protecting an internal device and shielding an external magnetic field, meanwhile, devices such as a magnetic field detection sensor, a reed pipe and a controller are used for triggering a trip circuit to cut off power, and an alarm device is used for giving an alarm, so that the safety of the intelligent ammeter is guaranteed, and the external strong magnetic interference is avoided.
Description
Technical Field
The invention relates to the technical field of intelligent electric meters, in particular to an intelligent electric meter capable of preventing strong magnetic interference.
Background
An electric meter is an instrument for measuring electric energy, which is also called an electric meter, a fire meter, an electric energy meter and a kilowatt hour meter, and refers to an instrument for measuring various electric quantities.
Partial lawless persons in real life utilize the intelligent high-power high frequency radiation technique of hi-Tech to interfere with electric energy meter itself and inside electric energy measurement chip, make the electric energy meter normally work, then steal the electric action, consequently an electric energy meter with diamagnetic ability has appeared on the market, some install the antimagnetic layer on the ammeter case, perhaps install the antimagnetic layer on the ammeter, however when strong magnetic interference is too strong, the unable complete magnetic interference of avoiding of current antimagnetic ammeter, and after someone maliciously damages the antimagnetic layer, just can be simple produce magnetic interference to the ammeter.
It can be seen that the existing anti-magnetic interference electric meter has the defects that the anti-magnetic performance is poor, the anti-magnetic layer still generates magnetic interference after being damaged, and the like, so how to provide the intelligent electric meter which can resist magnetism in multiple layers, resist strong magnetic interference and avoid the magnetic interference influence generated after the device is damaged is an urgent need for solving the problems of the technical personnel in the field.
Disclosure of Invention
In view of this, the invention provides a smart meter capable of preventing strong magnetic interference.
In order to achieve the above purpose, the invention provides the following technical scheme:
an intelligent ammeter capable of preventing strong magnetic interference comprises an ammeter and an ammeter box, and further comprises a magnetic field shielding protective shell, a magnetic field detection sensor, a distance sensor, a reed switch, a controller and an alarm device;
the magnetic field shielding protection shell is arranged in an electric meter box, the electric meter is arranged in the magnetic field shielding protection shell, the magnetic field detection sensor is arranged on the magnetic field shielding protection shell, the distance sensor is arranged on one surface, close to the electric meter, of the magnetic field shielding protection shell, the reed switch and the controller are both arranged in the electric meter box, and the alarm device is arranged outside the electric meter box;
the controller is respectively connected with the magnetic field detection sensor, the distance sensor, the alarm device and the tripping circuit, and the reed pipe is connected with the tripping circuit.
The alarm device comprises a flashlight and a loudspeaker.
Preferably, the reed switch and the controller are installed in a magnetic field shielding protective shell of the electric meter box.
Preferably, the electric meter box comprises a box body and a box door, and the box body and the box door are connected through a hinge side face.
Preferably, the magnetic field shielding protective housing is fixed on the box body, and a perspective window is arranged on the magnetic field shielding protective housing, so that the reading of the electric meter can be conveniently checked through the perspective window in a non-contact manner.
Preferably, the magnetic field shielding protective shell is made of antimagnetic materials and used for shielding an external magnetic field and protecting each device structure arranged inside to prevent the internal structure from being damaged. The antimagnetic material is selected from one or more of iron, nickel, soft magnetic materials and the like.
Preferably, still include communication terminal, the controller with communication terminal wireless connection, communication terminal shows monitoring data, monitoring data includes the magnetic field that magnetic field detection sensor detected and the volume of change, the magnetic field shielding protective housing that distance sensor detected and the distance of ammeter etc..
According to the technical scheme, the invention discloses and provides the intelligent ammeter capable of preventing strong magnetic interference, and compared with the prior art, the intelligent ammeter has the following beneficial effects:
(1) the magnetic field shielding protective shell is arranged, so that on one hand, the interference of an external magnetic field can be reduced, and meanwhile, devices such as a reed pipe and the like in the magnetic field shielding protective shell can be protected from being damaged.
(2) According to the invention, the distance sensor is arranged on the inner side of the magnetic field shielding protective shell, when a person forcibly destroys the magnetic field shielding protective shell, the reading of the distance sensor is changed certainly, the change is transmitted to the controller, and the controller transmits the data to the communication terminal on one hand, controls the tripping circuit to be powered off on the other hand, and gives an alarm through the alarm device.
(3) The invention also provides a magnetic field detection sensor arranged in the magnetic field shielding protection shell and used for detecting the real-time change of the magnetic field, when the change of the magnetic field exceeds a set threshold value, the controller transmits the change to the communication terminal, and simultaneously controls the trip circuit to be powered off, thereby preventing the ammeter from being damaged, reducing the influence caused by strong magnetic interference and giving an alarm through the alarm device.
(3) The invention further reduces the influence of magnetic interference on the electricity meter through the reed switch, and when the magnetic field shielding and protecting shell can not completely shield a strong magnetic field, the reed switch detects the magnetic field of the internal cavity, so that the normally open contact of the reed switch is attracted to trigger the trip circuit to cut off the power.
(4) The electric meter device of the invention has multilayer protection. The first layer shields the internal device through the magnetic field shielding protective shell, prevents that the internal device from suffering destruction, protects the protective device on second layer, shields outside most magnetic field simultaneously. When a magnetic field still penetrates through the protective shell to enter the internal cavity, the magnetic field detection sensor, the reed pipe, the controller and other devices on the second layer can trigger the trip circuit to cut off the power supply. When the device is maliciously damaged, the distance sensor can detect the change of the distance without fail, the power is cut off through the controller, the safety of the intelligent ammeter is further ensured, meanwhile, the alarm device is used for alarming to attract the attention of the surrounding, and the phenomenon that the electricity is stolen through the strong magnetic interference of the outside is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the internal structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the exterior of the door of the apparatus of the present invention;
the magnetic shielding box comprises a box door 1, a box body 2, a hinge 3, a magnetic shielding protective shell 4, an ammeter 5, a reed switch 6, a perspective window 7, a distance sensor 8, a magnetic field detection sensor 9, a controller 10, a flash lamp 11, a loudspeaker 12 and a handle 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an intelligent ammeter capable of preventing strong magnetic interference, and the intelligent ammeter comprises an ammeter 5 and an ammeter box, and further comprises a magnetic field shielding protective shell 4, a magnetic field detection sensor 9, a distance sensor 8, a reed switch 6, a controller 10 and an alarm device, wherein the ammeter box is shown in figure 1.
Magnetic field shielding protecting crust 4 is installed in the ammeter case, and the ammeter is installed in magnetic field shielding protecting crust 4, and magnetic field shielding protecting crust 4 is used for protecting ammeter 5. Magnetic field detection sensor 9 and distance sensor 8 all install on magnetic field shielding protecting crust 4, and wherein distance sensor 8 installs the one side that is close to ammeter 5 at magnetic field shielding protecting crust 4 for detect the distance between magnetic field shielding protecting crust 4 and the ammeter 5, the distance data that detect when someone maliciously damages protecting crust 4 can change certainly, consequently when the distance data that detect changes, indicate that protecting crust 4 has been damaged. The reed switch 6 and the controller 10 are both arranged in the electric meter box, and the alarm device is arranged outside the electric meter box; the controller 10 is respectively connected with the magnetic field detection sensor 9, the distance sensor 8, the alarm device and the tripping circuit, and the reed pipe 6 is connected with the tripping circuit. The controller 10 may be a single chip or other devices, which is not limited in the present invention.
The alarm device comprises a flashlight 11, a horn 12, see fig. 2.
In one embodiment, the reed switch 6 and the controller 10 are arranged in a magnetic field shielding protective shell 4 of an electric meter 5 box so as to fully ensure the safety of the reed switch 6 and other devices.
In specific application, ammeter case includes box 2 and chamber door 1, and box and chamber door pass through hinge 3 side and connect, installs flash light 11 and loudspeaker 12 in the outside of chamber door, refer to fig. 2, still installs handle 13 at the edge of chamber door, conveniently opens the chamber door and looks over ammeter 5.
The magnetic field shielding protective housing 4 is fixed on the box body, and further, the magnetic field shielding protective housing 4 is provided with a perspective window 7, so that the reading of the ammeter 5 can be conveniently checked through the perspective window in a non-contact manner.
For realizing the antimagnetic effect, the magnetic field shielding protective shell 4 uses antimagnetic materials for shielding the external magnetic field, and simultaneously protects each device structure of the internal installation and prevents the internal structure from being damaged. The antimagnetic material is selected from one or more of iron, nickel, soft magnetic materials and the like.
In one embodiment, the controller 10 is also wirelessly connected to a communication terminal, and the communication terminal displays monitoring data, wherein the monitoring data includes the magnetic field detected by the magnetic field detection sensor 9 and the amount of change thereof, the distance between the magnetic field shielding protective case 4 and the electricity meter 5 detected by the distance sensor 8, and the like. The communication terminal comprises a mobile terminal of a user, a security management service station of a community and the like.
The working process of the ammeter 5 device comprises the steps that when a person maliciously uses the strong magnetic interference device to interfere the ammeter 5, the external magnetic field is shielded by the magnetic field shielding protective shell 4. When outside magnetic field is too strong, a small part of magnetic field can pass protecting crust 4 and produce the influence to inside ammeter 5, at this moment, magnetic field detection sensor 9 and tongue tube 6 take effect, magnetic field detection sensor 9 will detect information transmission to controller 10, tongue tube 6 normally open contact will actuation simultaneously, trigger the trip circuit who is connected with it and cut off the power supply, controller 10 will relevant data transmission to communication terminal, control alarm device simultaneously and report to the police, arouse people around and security personnel's attention, the electricity stealing phenomenon that ammeter 5 is influenced by strong magnetic interference and leads to has been avoided. Except the above-mentioned condition, in order to prevent that magnetic field shielding protecting crust 4 and ammeter 5 from being maliciously damaged, consequently detect the distance between magnetic field shielding protecting crust 4 and the ammeter 5 through distance sensor 8, when the distance changes, show that the device suffers destruction, then controller 10 control trip circuit cuts off the power supply, and control alarm device reports to the police, reminds this information transmission to communication terminal simultaneously.
Further, a threshold value may be set, and when the magnetic field intensity detected by the magnetic field detection sensor 9 exceeds the set threshold value, the controller 10 performs a power-off operation while alarming.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An intelligent ammeter capable of preventing strong magnetic interference comprises an ammeter and an ammeter box, and is characterized by further comprising a magnetic field shielding protective shell, a magnetic field detection sensor, a distance sensor, a reed switch, a controller and an alarm device;
the magnetic field shielding protection shell is arranged in an electric meter box, the electric meter is arranged in the magnetic field shielding protection shell, the magnetic field detection sensor is arranged on the magnetic field shielding protection shell, the distance sensor is arranged on one surface, close to the electric meter, of the magnetic field shielding protection shell, the reed switch and the controller are both arranged in the electric meter box, and the alarm device is arranged outside the electric meter box;
the controller is respectively connected with the magnetic field detection sensor, the distance sensor, the alarm device and the tripping circuit, and the reed pipe is connected with the tripping circuit.
2. The smart meter of claim 1, wherein the alarm device comprises a flash lamp and a horn.
3. The smart electric meter capable of preventing strong magnetic interference according to claim 1, wherein the reed switch and the controller are installed in a magnetic field shielding protection shell of an electric meter box.
4. The smart electric meter capable of preventing strong magnetic interference according to claim 1, wherein the electric meter box comprises a box body and a box door, and the box body and the box door are laterally connected through a hinge.
5. The smart electric meter capable of preventing strong magnetic interference according to claim 4, wherein the magnetic field shielding protection shell is fixed on the box body, and a perspective window is arranged on the magnetic field shielding protection shell.
6. The smart electric meter capable of preventing strong magnetic interference according to claim 1, wherein the magnetic field shielding protection shell is made of a magnetic-proof material and shields an external magnetic field.
7. The smart electric meter capable of preventing strong magnetic interference according to claim 1, further comprising a communication terminal, wherein the controller is in wireless connection with the communication terminal, and the communication terminal displays monitoring data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110874537.0A CN113589010A (en) | 2021-07-30 | 2021-07-30 | Intelligent ammeter capable of preventing strong magnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110874537.0A CN113589010A (en) | 2021-07-30 | 2021-07-30 | Intelligent ammeter capable of preventing strong magnetic interference |
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| Publication Number | Publication Date |
|---|---|
| CN113589010A true CN113589010A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110874537.0A Pending CN113589010A (en) | 2021-07-30 | 2021-07-30 | Intelligent ammeter capable of preventing strong magnetic interference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388923A (en) * | 2022-09-19 | 2022-11-25 | 嘉兴博创智能传感科技有限公司 | Intelligent sensor with good diamagnetic performance |
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| GB0330057D0 (en) * | 2003-12-24 | 2004-02-04 | Polymeters Response Internat L | Apparatus for detecting tampering with a utility meter |
| CN201576030U (en) * | 2009-12-10 | 2010-09-08 | 安徽省电力公司巢湖供电公司 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
| CN203164250U (en) * | 2013-04-16 | 2013-08-28 | 栖霞市供电公司 | Intelligent anti-electricity-theft protection device |
| CN108957075A (en) * | 2018-06-14 | 2018-12-07 | 河南许智电力科技有限公司 | A kind of band prevents the ammeter box of strong magnetic stealing shielding |
| CN110412420A (en) * | 2019-07-30 | 2019-11-05 | 中北大学 | A kind of compound nondestructive detection device of transmission line of electricity magneto-optic sound based on corona effect |
| CN110690658A (en) * | 2019-10-25 | 2020-01-14 | 国网河南省电力公司漯河供电公司 | Anti-electricity-theft intelligent ammeter box based on Internet of things and use method thereof |
| CN112834796A (en) * | 2021-03-23 | 2021-05-25 | 南方电网科学研究院有限责任公司 | Electric energy meter capable of preventing strong magnetic interference |
| CN213716016U (en) * | 2020-12-08 | 2021-07-16 | 江阴联诚智能设备有限公司 | Strong magnetism preventing structure of intelligent entrance guard relay |
-
2021
- 2021-07-30 CN CN202110874537.0A patent/CN113589010A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0330057D0 (en) * | 2003-12-24 | 2004-02-04 | Polymeters Response Internat L | Apparatus for detecting tampering with a utility meter |
| CN1637390A (en) * | 2003-12-24 | 2005-07-13 | 波利米特瑞斯旁斯国际有限公司 | Utility meter with magnetic shielding and field detector |
| CN201576030U (en) * | 2009-12-10 | 2010-09-08 | 安徽省电力公司巢湖供电公司 | Electric energy metering box capable of preventing high-intensity magnetic electric larceny |
| CN203164250U (en) * | 2013-04-16 | 2013-08-28 | 栖霞市供电公司 | Intelligent anti-electricity-theft protection device |
| CN108957075A (en) * | 2018-06-14 | 2018-12-07 | 河南许智电力科技有限公司 | A kind of band prevents the ammeter box of strong magnetic stealing shielding |
| CN110412420A (en) * | 2019-07-30 | 2019-11-05 | 中北大学 | A kind of compound nondestructive detection device of transmission line of electricity magneto-optic sound based on corona effect |
| CN110690658A (en) * | 2019-10-25 | 2020-01-14 | 国网河南省电力公司漯河供电公司 | Anti-electricity-theft intelligent ammeter box based on Internet of things and use method thereof |
| CN213716016U (en) * | 2020-12-08 | 2021-07-16 | 江阴联诚智能设备有限公司 | Strong magnetism preventing structure of intelligent entrance guard relay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388923A (en) * | 2022-09-19 | 2022-11-25 | 嘉兴博创智能传感科技有限公司 | Intelligent sensor with good diamagnetic performance |
| CN115388923B (en) * | 2022-09-19 | 2023-12-19 | 深圳市威纳智能科技有限公司 | Intelligent sensor with good antimagnetic performance |
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