CN109444535A - A kind of electric energy meter with long-range control electromagnetic type charging seal - Google Patents
A kind of electric energy meter with long-range control electromagnetic type charging seal Download PDFInfo
- Publication number
- CN109444535A CN109444535A CN201811484504.XA CN201811484504A CN109444535A CN 109444535 A CN109444535 A CN 109444535A CN 201811484504 A CN201811484504 A CN 201811484504A CN 109444535 A CN109444535 A CN 109444535A
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- CN
- China
- Prior art keywords
- electric energy
- energy meter
- remote
- seal
- nut
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
-
- 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
- G01R11/56—Special tariff meters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lock And Its Accessories (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of electric energy meter with long-range identification charging seal, and the charging seal of the electric energy meter includes Electromalgnetic locking mechanism and remote de-locking device.The Electromalgnetic locking mechanism is mounted at the charging seal of the electric energy meter, including electromagnetism nut and matched bolt, the electromagnetism nut is mounted on the inside of electric energy meter charging seal through-hole, the bolt screws in electromagnetism nut on the outside of charging seal through-hole, completes the seal of charging electric meter.The electromagnetism nut interior is wound with electromagnetic coil, and the electromagnetic coil obtains electric or power loss by the remote de-locking device outside conducting wire attaching nut, by remote de-locking device control electromagnetic coil, so that the charging seal for controlling electric energy meter opens or closes.Long-range seal and decapsulation functions are realized, could only be unsealed by remote server authorization；With scene and remote alarming function.
Description
Technical field
It is the present invention relates to charging electric meter technical field, in particular to a kind of with long-range control electromagnetic type charging seal
Electric energy meter.
Background technique
The charging seal of electric energy meter also rests in the level of common lead seal at present, is lead connecing table
The device of line mouth encapsulation, is opened to avoid by other staff.Such seal surface is printed on coding, so that managerial personnel inquires and examines
It looks into.
Currently, electric power charge seal carries out receiptor's signature system of charging seal, and after being got to seal, whose installation
, what who was scrapped, which is mounted on and is all recorded in work record book, it is clear that this way to manage is inefficient and falls behind, it is desirable to inquire
A large amount of manpower and time cost are probably employed when a certain piece of seal.
Backward equipment also has a foreshadowing for electricity stealing, for example many situations destruction chargings of means of stealing are used
Seal juggles things to metering device, and is substituted with new seal, thus only from the intact degree of seal appearance to determine whether
It is obviously unreliable that there are electricity stealings.
The Chinese patent of 206906449 U of Publication No. CN proposes a kind of Intelligent seal for ammeter, using envelope
Silk, and judge whether seal is opened by the way that whether circuit judges sealing wire breaks.This seal only has seal alarm function
Can, but without long-range seal and decapsulation functions.
Summary of the invention
In order to solve the problems, such as described in background technique, the present invention provides a kind of with long-range control electromagnetic type charging seal
Electric energy meter realizes long-range seal and decapsulation functions, could only unseal by remote server authorization；With scene and remotely
Warning function.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of electric energy meter with long-range control electromagnetic type charging seal, including electric energy meter, the charging of the electric energy meter
Seal includes Electromalgnetic locking mechanism and remote de-locking device.
The Electromalgnetic locking mechanism includes electromagnetism nuts and bolt, and the electromagnetism nut is fixed in electric energy meter case body,
Below charging seal through-hole, the bolt passes through charging seal through-hole and screws in electromagnetism nut, completes charging electric meter
Seal；
Electromagnetic coil is provided in the electromagnetism nut, the electromagnetic coil passes through remote outside conducting wire attaching nut
Journey tripper obtains electric or power loss by remote de-locking device control electromagnetic coil, to control the charging seal of electric energy meter
It opens or closes；
The remote de-locking device is located inside electric energy meter, is powered by 220V ac power supply terminal in table, remote de-locking
Electric power management circuit, ROLA chip and the triode power output electricity that device includes main control MCU chip and port is connected therewith
Road, the triode power output circuit output end connect the electromagnetic coil in electromagnetism nut, the master control by terminal
MCU chip connects ROLA wireless network by ROLA chip, is interacted by ROLA wireless network with remote server data, realizes
The remote opening of charging seal and closing and seal status inquiry.
The electromagnetism nut is the electromagnet of the nut shape of customization, by metal shell and the electromagnetic core of enclosure interior
It is constituted with the electromagnetic coil of coiling on electromagnetic core, enclosure interior is filled with epoxy resin, and the center of electromagnet is equipped with internal screw thread.
The electric power management circuit includes power management chip RH5RL36AA, and one input terminal of power supply connects electric energy
220V AC power source in table, it is that master control MCU chip and ROLA chip are powered that output end, which exports DC power supply AVCC/DVCC,；Electricity
Another input terminal of power management circuits RH5RL36AA is also connected with lithium battery, backup power source when as electric energy meter power-off.
The remote de-locking device further includes the DC current transmitter being connected on main control MCU chip port and alarm
Circuit, the DC current transmitter input terminal connect electromagnetic coil, and output end connects main control MCU chip；The alarm
Circuit is the emergency alarm bell driven by triode.
The main control MCU chip is MSP430F413 singlechip chip.
Compared with prior art, the beneficial effects of the present invention are:
1, the nut structure with electromagnetic performance is devised, when seal, operator obtains the license of remote server, electricity
Magnetic nut is powered by remote de-locking device generates magnetic force, and operator only needs for be inserted into through-hole bolt, utilizes the electricity of electromagnet
Magnetic property easily screws in magnetic nut, also, in the case where electromagnetism nut magnetism does not disappear, bolt cannot be screwed out, energy
Enough prevent electricity stealing；When deblocking, operator obtains the license of remote server, and electromagnetism nut is powered off by remote de-locking device
Magnetic force is eliminated, operator can be screwed out bolt with tool from through-hole；
2, remote de-locking device has LORA remote data transmission function, and LORA communication is also commonly to lead in intelligent electric meter
News, remote de-locking device of the invention and intelligent electric meter compatible LORA communication function simultaneously, may be implemented to interconnect；
3, the seal code of electric energy meter, a table corresponding one can also be stored inside the single-chip microprocessor MCU in remote de-locking device
A seal code realizes electric energy meter seal identification function；
4, remote de-locking device has scene and remote alarming function, passes through the electricity of electromagnetic coil in detection electromagnetism nut
Stream, when bolt is inserted into or screws out nut, the electric current of electromagnetic coil necessarily changes, when single-chip microcontroller detects the variation of electric current
When, if issuing alarm at this point, be not the authorization deblocking or seal state of remote server.
5, remote de-locking device is using the power supply in electric energy meter, while being separately furnished with lithium battery as backup power source, to prevent
Electromagnetic coil failure, also, if disconnection fault occurs for remote de-locking device, remote server is stood when detecting communication failure
It sends someone to check, prevents electricity stealing.
Detailed description of the invention
Fig. 1 is electric energy meter structure figure of the invention；
Fig. 2 is electric energy meter cross-sectional view of the invention；
Fig. 3 is the cross-sectional view of electromagnetism nut of the invention；
Fig. 4 is the internal structure chart of electromagnetism nut of the invention；
Fig. 5 is the board circuit structure chart of remote de-locking device of the invention；
Fig. 6 is the main control MCU circuit diagram of remote de-locking Installation practice of the present invention；
Fig. 7 is the LORA wireless chip circuit diagram of remote de-locking Installation practice of the present invention；
Fig. 8 is the triode power output circuit figure of remote de-locking Installation practice of the present invention；
Fig. 9 is the electric power management circuit figure of remote de-locking Installation practice of the present invention；
Figure 10 is the warning circuit figure of remote de-locking Installation practice of the present invention.
In figure, 1- electric energy meter charging seal through-hole 2- electric energy meter upper cover 3- electric energy meter casing 4- bolt 5- electromagnetism nut
6- remote de-locking device 7- screw thread 8- electromagnetic coil 9- electromagnetism nut shell 10- iron core 11- epoxy resin.
Specific embodiment
Specific embodiment provided by the invention is described in detail below in conjunction with attached drawing.
As shown in Figs. 1-5, a kind of electric energy meter with long-range control electromagnetic type charging seal, the charging of the electric energy meter
Seal includes Electromalgnetic locking mechanism and remote de-locking device 6.
As shown in Figs. 1-2, the Electromalgnetic locking mechanism is mounted at the charging seal through-hole 1 of the electric energy meter, including
Electromagnetism nut 5 and matched bolt 4, the electromagnetism nut 5 are mounted in electric energy meter casing 3, and it is logical to be located at charging seal
1 inside of hole, the bolt 4 screw in electromagnetism nut 5 on the outside of charging seal through-hole 1, complete the seal of charging electric meter.
As Figure 2-3, electromagnetic coil 8 is wound with inside the electromagnetism nut 5, the electromagnetic coil 8 is by leading
Remote de-locking device 6 outside line attaching nut 3 obtains electric or power loss by the control electromagnetic coil 8 of remote de-locking device 6, from
And the charging seal for controlling electric energy meter opens or closes.
As shown in figure 4, the electromagnetism nut 5 is the electromagnet of the nut shape of electromagnet producer customization, by metal
The electromagnetic coil 8 of coiling on electromagnetic core 10 and electromagnetic core 10 inside shell 9 and shell 9 is constituted, enclosure interior epoxy
Resin 11 is filled, and screw thread 7 is processed at the center of shell 9.
As shown in Fig. 2,5, the remote de-locking device 6 is located inside electric energy meter, by 220V ac power supply terminal in table
Power supply, remote de-locking device 6 include main control MCU chip and port is connected therewith electric power management circuit, ROLA chip and three
Pole pipe power output circuit, the triode power output circuit output end pass through the electromagnetism in the terminal connection nut
Coil.The remote de-locking device further includes the warning circuit being connected on main control MCU chip port.
As shown in fig. 6, the main control MCU chip is MSP430F413 singlechip chip, connected by the port P2.1
Warning circuit connects DC current transmitter by the port P2.0, by the port P6.4 connecting triode power output circuit, leads to
Cross P1.0, P1.1, P2.5, P6.0-P6.3, P6.7 connection ROLA chip circuit.
As shown in fig. 7, ROLA chip use LSD2F717N20 small size LORA patch chip, except through port with
Single-chip microcontroller also is wanted to connect by the port RFO outside being connected with RF-ANT antenna.
The main control MCU chip connects ROLA wireless network by ROLA chip, by ROLA wireless network and remotely
Server data interaction, the remote opening of realization charging seal and closing and seal status inquiry.
As shown in figure 8, the P6.4 port signal of single-chip microcontroller MSP430F413 passes through three poles in triode power output circuit
The terminal of pipe Q6 connection electromagnet coil.
As shown in figure 9, the electric power management circuit includes power management chip RH5RL36AA, power input
The port POWER connects the 220V AC power source in electric energy meter, and it is master control MCU chip that output end, which exports DC power supply AVCC/DVCC,
It powers with ROLA chip.In addition, the RH5RL36AA of electric power management circuit, which also passes through the port LiBatt, is connected with lithium battery, as
Backup power source when electric energy meter powers off, seal is opened when preventing electric energy meter from powering off.If duplex feeding all has a power failure, cause to lead
The power-off of MCU chip is controlled, remote server finds communication data failure, and electric energy meter seal failure sends service personnel live immediately
It checks and repairs.
As shown in Figure 10, the warning circuit is the emergency alarm bell BELL driven by triode Q50.Warning circuit receives single
The instruction of the port P2.1 of piece machine MSP430F413, the DC current transmitter input terminal connect electromagnetic coil 8, work as list
When piece machine examination measures 8 electric current of electromagnetic coil and changes, indicates that electromagnetic coil 8 is unlocked, permitted if it is without remote server
Can unlock behavior, then the alarm bell BELL of warning circuit alarms, at the same single-chip microcontroller MSP430F413 by ROLA chip to
Remote server issues alarm signal, and service personnel scene is sent to check and repair immediately.
Above embodiments are implemented under the premise of the technical scheme of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to the above embodiments.Method therefor is such as without spy in above-described embodiment
Not mentionleting alone bright is conventional method.
Claims (5)
1. a kind of electric energy meter with long-range control electromagnetic type charging seal, including electric energy meter, which is characterized in that the electric energy
The charging seal of table includes Electromalgnetic locking mechanism and remote de-locking device；
The Electromalgnetic locking mechanism includes electromagnetism nuts and bolt, and the electromagnetism nut is fixed in electric energy meter case body, is located at
Below charging seal through-hole, the bolt passes through charging seal through-hole and screws in electromagnetism nut, completes the envelope of charging electric meter
Print；
Electromagnetic coil is provided in the electromagnetism nut, the electromagnetic coil passes through the long-range solution outside conducting wire attaching nut
Locking device obtains electric or power loss by remote de-locking device control electromagnetic coil, so that the charging seal for controlling electric energy meter is opened
Or it closes；
The remote de-locking device is located inside electric energy meter, is powered by 220V ac power supply terminal in table, remote de-locking device
Electric power management circuit, ROLA chip and the triode power output circuit being connected including main control MCU chip and therewith port, institute
The triode power output circuit output end stated connects the electromagnetic coil in electromagnetism nut, the main control MCU core by terminal
Piece connects ROLA wireless network by ROLA chip, is interacted by ROLA wireless network with remote server data.
2. a kind of electric energy meter with long-range control electromagnetic type charging seal according to claim 1, which is characterized in that institute
The electromagnetism nut stated is the electromagnet of the nut shape of customization, by metal shell and the electromagnetic core and electromagnetic core of enclosure interior
The electromagnetic coil of upper coiling is constituted, and enclosure interior is filled with epoxy resin, and the center of electromagnet is equipped with internal screw thread.
3. a kind of electric energy meter with long-range control electromagnetic type charging seal according to claim 1, which is characterized in that institute
The electric power management circuit stated includes power management chip RH5RL36AA, one input terminal connects the 220V exchange in electric energy meter
Power supply, it is that master control MCU chip and ROLA chip are powered that output end, which exports DC power supply AVCC/DVCC,；Electric power management circuit it is another
One input terminal is also connected with lithium battery, backup power source when as electric energy meter power-off.
4. a kind of electric energy meter with long-range control electromagnetic type charging seal according to claim 1, which is characterized in that institute
The remote de-locking device stated further includes the DC current transmitter and warning circuit being connected on main control MCU chip port, described
DC current transmitter input terminal connect electromagnetic coil, output end connect main control MCU chip；The warning circuit is by three
The emergency alarm bell of pole pipe driving.
5. a kind of electric energy meter with long-range control electromagnetic type charging seal according to claim 1, which is characterized in that institute
The main control MCU chip stated is MSP430F413 singlechip chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484504.XA CN109444535B (en) | 2018-12-06 | 2018-12-06 | Electric energy meter with remote control electromagnetic charging seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484504.XA CN109444535B (en) | 2018-12-06 | 2018-12-06 | Electric energy meter with remote control electromagnetic charging seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109444535A true CN109444535A (en) | 2019-03-08 |
| CN109444535B CN109444535B (en) | 2023-10-20 |
Family
ID=65558067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484504.XA Active CN109444535B (en) | 2018-12-06 | 2018-12-06 | Electric energy meter with remote control electromagnetic charging seal |
Country Status (1)
| Country | Link |
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| CN (1) | CN109444535B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115951123A (en) * | 2023-02-28 | 2023-04-11 | 国网山东省电力公司营销服务中心(计量中心) | Electric energy metering method and system based on wireless communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115951123A (en) * | 2023-02-28 | 2023-04-11 | 国网山东省电力公司营销服务中心(计量中心) | Electric energy metering method and system based on wireless communication |
| CN115951123B (en) * | 2023-02-28 | 2023-06-30 | 国网山东省电力公司营销服务中心(计量中心) | Electric energy metering method and system based on wireless communication |
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| Publication number | Publication date |
|---|---|
| CN109444535B (en) | 2023-10-20 |
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