CN108362923A - A kind of intelligent electric meter clock synchronization and power alarm system - Google Patents
A kind of intelligent electric meter clock synchronization and power alarm system Download PDFInfo
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- CN108362923A CN108362923A CN201810490801.9A CN201810490801A CN108362923A CN 108362923 A CN108362923 A CN 108362923A CN 201810490801 A CN201810490801 A CN 201810490801A CN 108362923 A CN108362923 A CN 108362923A
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 102100038591 Endothelial cell-selective adhesion molecule Human genes 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- G01R11/56—Special tariff meters
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/10—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of intelligent electric meter clock synchronization and power alarm systems,Solves the functional deficiency of intelligent electric meter in the prior art,Concentrator is installed in switch cabinet,Several intelligent electric meters and detection ammeter,It is mounted on node module in several intelligent electric meters,Gateway module is installed in detection ammeter,Gateway module and node module carry out point-to-point clock synchronization to the ammeter of oneself respectively by TTL interfaces,When intelligent electric meter powers off,Each module is maintained using the power supply of farad capacitor,Off-position by giving gateway module on RF data lines,Gateway module is connected into RS485 buses by its 485 interface,It detects ammeter and supports 645 stipulations,When concentrator is polled to oneself,It is sent in concentrator in off-position all ammeters,Power cut-off information is so uploaded in time,So solve the problems, such as the automatic clock synchronization of current intelligent electric meter and power-off well,With good practical value.
Description
Technical field
The present invention relates to a kind of power alarm system, more particularly to a kind of intelligent electric meter clock synchronization and power alarm system.
Background technology
Intelligent electric meter is the intelligent terminal of intelligent grid, it has not been traditional electric energy meter, and intelligent electric meter removes
Have other than the function of measuring of traditional electric energy meter basic electricity, in order to adapt to intelligent grid and new energy use it also have
There are two-way a variety of rate function of measuring, user terminal control function, the bidirectional data communication function of plurality of data transmission modes, thief-proof
The intelligentized function such as Electricity Functional, intelligent electric meter represent the development of following energy-conserving intelligent power grid end user's intelligent terminal
Direction.The fast-developing ammeter classification of intelligent electric meter, traditional intelligent electric meter user hold IC card and hand over money purchase to power supply department
Purchase of electricity is written in IC card with sale of electricity supervisor for electricity, power supply department, and user holds IC card in the (letter of induction zone brush non-contact IC card
Title is swiped the card, similarly hereinafter), you can power supply of closing a floodgate walks Qana after power supply.When remaining capacity is equal to alarm electricity in table, operate a switch disconnected
Electric alarm (or buzzer warning), at this time user swipe the card and can restore electricity in induction zone；It is automatic to draw when remaining capacity is zero
Lock powers off, and user must hold power purchase of paying dues again, can just restore electricity consumption.And novel intelligent electric meter has realized bank and net
Network is powered, and user can be by Utilities Electric Co.'s business window, and motor structure is sold by cooperative bank, third party and network carries out power purchase, pole
Big facilitates user.The development of intelligent grid or advanced measurement system proposes more and more requirements to intelligent electric energy meter,
It is to meet the trend of era development that everybody, which can see these requirements, also generates far-reaching shadow to " intelligence " effect of intelligent electric energy meter
It rings.With the development of new a collection of electric energy meter rotation, the universal only matter of time of intelligent electric energy meter.Since being intelligent electric energy meter,
So it should also show intelligence together with its details, and existing data processing, module design, detection mode, interface type are also
It is insufficient for the application demand to the following intelligent electric energy meter.No matter following intelligent electric energy meter is from shape, or uses, or
The performance characteristics such as informationization, automation, intelligence should all be had by being function, so as to for intelligent electric energy meter it is universal provide it is faster
Approach.
Current intelligent electric meter is in use, in case of outage problem, then bad to be searched, therefore it is desirable to have
A kind of intelligent electric meter system can timely be handled power-off.
Invention content
The present invention provides a kind of intelligent electric meter clock synchronization and power alarm system, it is disconnected to solve intelligent electric meter in the prior art
The problem of electric alarm function and time adjustment function deficiency.
In order to solve the above technical problem, the present invention provides the following technical solutions：
The present invention provides a kind of intelligent electric meter clock synchronization and power alarm systems, including switch cabinet, concentrator, intelligence electricity
Table, detection ammeter and gateway module, the switch cabinet are the rectangular box of an opening, and the top of the electric cabinet box cavity is fixed
The concentrator is installed, the concentrator is equipped with several input ports and several output ports, the bottom end of the switch cabinet
Arrangement is equipped with several intelligent electric meters, and the bottom end of several intelligent electric meters is equipped with forceful electric power interface, several intelligence
The side of ammeter is equipped with node module, and the side of the concentrator bottom end is installed with the detection ammeter, the detection
The gateway module is installed on ammeter, several node modules and the gateway module pass through the first data line electricity
Property several input ports of connection, the gateway module is sequentially connected several node modules by the second data line line,
The side of the switch cabinet is installed with into electric distribution and arranges, and the input terminal arranged into electric distribution is electrically connected external power supply,
The input terminal of several forceful electric power interfaces, the other side of the switch cabinet is electrically connected in the output end arranged into electric distribution
It is installed with the distribution row that registers one's residence, the output end of the forceful electric power interface is electrically connected household distribution by the distribution row that registers one's residence
Case.
As a preferred technical solution of the present invention, the bottom end of the switch cabinet is installed with DC power supply, described
The ac input end of DC power supply is arranged described in being electrically connected into electric distribution, and the direct-flow input end of the DC power supply electrically connects respectively
Connect the concentrator, several intelligent electric meters and the detection ammeter.
As a preferred technical solution of the present invention, singlechip chip or MCU chip, institute are installed in the concentrator
State concentrator side it is chimeric wireless communication module and voice alarm module are installed, the concentrator passes through several output ports
The wireless communication module and the voice alarm module is electrically connected.
As a preferred technical solution of the present invention, the side of the switch cabinet open end is connected through the hinge and has case
Door, the chamber door are equipped with several observation windows, and several observation windows correspond respectively to intelligent electric meter setting.
As a preferred technical solution of the present invention, the gateway module and the node module are that RS485 buses connect
Mouthful.
As a preferred technical solution of the present invention, first data line and the second data line RF data lines.
The advantageous effect that is reached of the present invention is：Structure of the invention is accurate, safe and reliable, solves intelligence in the prior art
The functional deficiency of ammeter proposes a kind of warning system with time adjustment function and power alarm function, is installed in switch cabinet
Concentrator, several intelligent electric meters and detection ammeter, node module is mounted in several intelligent electric meters, detects and is equipped in ammeter
Gateway module, gateway module and node module carry out point-to-point clock synchronization to the ammeter of oneself respectively by TTL interfaces, when intelligent electricity
When table powers off, each module is maintained using the power supply of farad capacitor, off-position by giving gateway mould on RF data lines
Block, gateway module are connected into RS485 buses by its 485 interface, and detection ammeter supports 645 stipulations, when concentrator is polled to oneself
When, it send in concentrator in the off-position all ammeters, so uploads power cut-off information in time, so solve well at present
The problem of automatic clock synchronization of intelligent electric meter and power-off.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the subjective structural schematic diagram of the present invention；
Fig. 2 is control circuit structural schematic diagram of the present invention；
In figure：1, switch cabinet；2, concentrator；21, input port；22 output ports；3, intelligent electric meter；31, forceful electric power interface；
32, node module；4, ammeter is detected；5, gateway module；6, the first data line；7, the second data line；8, it is arranged into electric distribution；9, enter
Family distribution row；10, Domestic distributing box；11, DC power supply；12, wireless communication module；13, voice alarm module；14, chamber door；
15, observation window.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
As shown in Figs. 1-2, a kind of intelligent electric meter clock synchronization of present invention offer and power alarm system, including switch cabinet 1, concentration
Device 2, intelligent electric meter 3, detection ammeter 4 and gateway module 5, switch cabinet 1 are the rectangular box of an opening, 1 inner cavity of switch cabinet
Top is installed with concentrator 2, and concentrator 2 is equipped with several input ports 21 and several output ports 22, the bottom of switch cabinet 1
End arrangement is equipped with several intelligent electric meters 3, and the bottom ends of several intelligent electric meters 3 is equipped with forceful electric power interface 31, several intelligent electric meters 3
Side is equipped with node module 32, and the side of 2 bottom end of concentrator is installed with detection ammeter 4, detects and be fixedly mounted on ammeter 4
There are gateway module 5, several node modules 32 and gateway module 5 to be electrically connected several input ports 21 by the first data line 6,
Gateway module 5 is sequentially connected several node modules 32 by 7 line of the second data line, and the side of switch cabinet 1 is installed with into electricity
Distribution row 8, the input terminal into electric distribution row 8 are electrically connected external power supply, if the output end into electric distribution row 8 is electrically connected
The input terminal of dry forceful electric power interface 31, the other side of switch cabinet 1 are installed with the distribution row 9 that registers one's residence, the output end of forceful electric power interface 31
By registering one's residence, distribution row 9 is electrically connected Domestic distributing box 10.
Further, the bottom end of switch cabinet 1 is installed with DC power supply 11, and the ac input end of DC power supply 11 electrically connects
Electric distribution row 8 is tapped into, concentrator 2, several intelligent electric meters 3 and detection electricity is electrically connected in the direct-flow input end of DC power supply 11
Table 4.
Further, singlechip chip or MCU chip are installed, the side of concentrator 2 is chimeric to be equipped with wirelessly in concentrator 2
Wireless communication module is electrically connected by several output ports 22 in communication module 12 and voice alarm module 13, concentrator 2
12 and voice alarm module 13.
Further, the side of 1 open end of switch cabinet, which is connected through the hinge, chamber door 14, and chamber door 14 is equipped with several observation windows
15, several observation windows 15 correspond respectively to the setting of intelligent electric meter 3.
Further, gateway module 5 and node module are RS485 bus interface.
Further, the first data line 6 and the second data line 7RF data lines.
In the present invention, concentrator 2 connect RS485 buses, communication protocol DL/T645-2007 with the communication of intelligent electric meter 3
Agreement, DL/T645-2007 are Polling Protocol, do not support active reporting.Its feature is one master and multiple slaves, and from answering, one asks one for examination in chief
It answers, pays no attention to and do not answer.The power alarm information of each ammeter must report main website by concentrator 2, and ammeter can be distinguished by, which, powers off
Or RS485 communication modules break down, and can carry out point-to-point time service to each ammeter, break through the limit of broadcasting command clock synchronization ± 5min
System, without changing the software and hardware of existing concentrator and ammeter.
The present invention solution one be：Increase by one piece of detection ammeter 4 to report to complete point-to-point time service and power alarm
Function installs two kinds of new communication modules respectively on the shell of ammeter communication module, in the original location on：Gateway module and node
Module.Gateway module connects time calibration in network server by NB-IoT components and obtains the standard time, and gateway module 5 passes through RF components
Broadcast time service is carried out to other node modules, gateway module and node module are again by TTL interfaces respectively to the electricity of oneself immediately
Table carries out point-to-point clock synchronization, and when ammeter powers off, each module is maintained using the power supply of farad capacitor, and off-position is passed through
Gateway module is given on RF, gateway module 5 is connected into RS485 buses by its 485 interface, and detection ammeter 4 supports 645 stipulations, when
When concentrator 2 is polled to oneself, sent in the off-position all ammeters in concentrator 2.
RF, which is communicated, uses Star Network, and point centered on gateway module, each node module supports active reporting, and exists
The wireless communication collision problem for being solved multiple node modules using related algorithm in Software for Design while being reported is concentrated at one
All ammeters in device RS485 buses, the actual effect that can be communicated according to RF, are divided into multiple Star Networks, are used as network
The gateway module 5 of central point is connected to RS485 buses, i.e. in a RS485 bus, can mount multiple gateway modules as needed.
Power alarm reports the polling cycle that real-time depends on concentrator to gateway module, gateway module and RF nodes
Module is all made of the standard telecommunications modules shell of former ammeter, and the card i/f between ammeter defines also according to primary standard specification.Its
Middle RF node modules include：RF is communicated, ESAM, farad capacitor.
The present invention solution second is that：Since the RS485 bus mosts of the time belong to idle state, so above-mentioned " solution
Certainly the RF communication links of the use of scheme one " can also be realized by borrowing former 485 buses, gateway module 5 and node module 32
First to intercept whether 485 buses do before by 485 interface transmission datas, to prevent bus communication conflict.
Structure of the invention is accurate, safe and reliable, solves the functional deficiency of intelligent electric meter in the prior art, proposes a kind of
Concentrator 2, several intelligent electric meters 3 and inspection are installed in warning system with time adjustment function and power alarm function in switch cabinet 1
Ammeter 4 is surveyed, node module 32 is mounted in several intelligent electric meters 3, detects in ammeter 4 and gateway module 5 is installed, immediately gateway
Module 5 and node module 32 carry out point-to-point clock synchronization to the ammeter of oneself respectively by TTL interfaces again, when intelligent electric meter 3 occurs
When power-off, each module is maintained using the power supply of farad capacitor, off-position by giving gateway module 5, net on RF data lines
It closing module 5 and RS485 buses is connected by its 485 interface, detection ammeter 4 supports 645 stipulations, when concentrator 2 is polled to oneself,
It is sent in off-position all ammeters in concentrator 2, so uploads power cut-off information in time, so solve current intelligence well
The problem of energy automatic clock synchronization of ammeter and power-off, there is good practical value.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of intelligent electric meter clock synchronization and power alarm system, including switch cabinet (1), concentrator (2), intelligent electric meter (3), detection
Ammeter (4) and gateway module (5), which is characterized in that the switch cabinet (1) is the rectangular box of an opening, the switch cabinet
(1) top of inner cavity is installed with the concentrator (2), the concentrator (2) be equipped with several input ports (21) and if
The bottom end arrangement of dry output port (22), the switch cabinet (1) is equipped with several intelligent electric meters (3), several intelligence
The bottom end of ammeter (3) is equipped with forceful electric power interface (31), the side of several intelligent electric meters (3) is equipped with node module (32),
The side of concentrator (2) bottom end is installed with the detection ammeter (4), is installed on the detection ammeter (4)
The gateway module (5), several node modules (32) and the gateway module (5) are electrical by the first data line (6)
Several input ports (21) are connected, the gateway module (5) is sequentially connected several sections by the second data line (7) line
Point module (32), the side of the switch cabinet (1), which is installed with into electric distribution, arranges (8), the input that (8) are arranged into electric distribution
End is electrically connected external power supply, and several forceful electric power interfaces (31) are electrically connected in the output end that (8) are arranged into electric distribution
Input terminal, the other side of the switch cabinet (1) be installed with register one's residence distribution row (9), the output of the forceful electric power interface (31)
End is electrically connected Domestic distributing box (10) by the distribution row (9) that registers one's residence.
2. a kind of intelligent electric meter clock synchronization according to claim 1 and power alarm system, which is characterized in that the switch cabinet
(1) bottom end is installed with DC power supply (11), and the ac input end electric connection of the DC power supply (11) is described into electricity
Distribution arranges (8), and the concentrator (2), several intelligence is electrically connected in the direct-flow input end of the DC power supply (11)
Ammeter (3) and the detection ammeter (4).
3. a kind of intelligent electric meter clock synchronization according to claim 1 and power alarm system, which is characterized in that the concentrator
(2) singlechip chip or MCU chip are installed, the side of the concentrator (2) is chimeric to be equipped with wireless communication module (12) in
With voice alarm module (13), the wireless communication is electrically connected by several output ports (22) in the concentrator (2)
Module (12) and the voice alarm module (13).
4. a kind of intelligent electric meter clock synchronization according to claim 1 and power alarm system, which is characterized in that the switch cabinet
(1) side of open end, which is connected through the hinge, chamber door (14), and the chamber door (14) is equipped with several observation windows (15), Ruo Gansuo
It states observation window (15) and corresponds respectively to intelligent electric meter (3) setting.
5. a kind of intelligent electric meter clock synchronization according to claim 1 and power alarm system, which is characterized in that the gateway mould
Block (5) and the node module (32) are RS485 bus interface.
6. a kind of intelligent electric meter clock synchronization according to claim 1 and power alarm system, which is characterized in that first number
According to line (6) and second data line (7) RF data lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490801.9A CN108362923A (en) | 2018-05-21 | 2018-05-21 | A kind of intelligent electric meter clock synchronization and power alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490801.9A CN108362923A (en) | 2018-05-21 | 2018-05-21 | A kind of intelligent electric meter clock synchronization and power alarm system |
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| Publication Number | Publication Date |
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| CN108362923A true CN108362923A (en) | 2018-08-03 |
Family
ID=63012205
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490801.9A Pending CN108362923A (en) | 2018-05-21 | 2018-05-21 | A kind of intelligent electric meter clock synchronization and power alarm system |
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| CN (1) | CN108362923A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515030A (en) * | 2019-09-03 | 2019-11-29 | 国网青海省电力公司电力科学研究院 | A kind of simulation detection system automating power failure reporting functions |
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