CN207232381U - A kind of intelligent electric meter check system based on NB IoT - Google Patents
A kind of intelligent electric meter check system based on NB IoT Download PDFInfo
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- CN207232381U CN207232381U CN201721173242.6U CN201721173242U CN207232381U CN 207232381 U CN207232381 U CN 207232381U CN 201721173242 U CN201721173242 U CN 201721173242U CN 207232381 U CN207232381 U CN 207232381U
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Abstract
The utility model discloses a kind of intelligent electric meter check system based on NB IoT, it is related to intelligent electric meter field；A kind of intelligent electric meter check system based on NB IoT includes calibration equipment, service main website and host computer；The calibration equipment input terminal is electrically connected with intelligent electric meter and backbone, and the calibration equipment output terminal and service main website wireless connection, the service main website are connected with host computer by internet；The utility model is by setting calibration equipment, service main website and host computer, calibration equipment and the wireless telecommunications of service main website, host computer reads data by Internet connection services main website, checking precision can not be ensured by solving the problems, such as that existing calibration equipment is arranged on inside ammeter, reach the effect for improving verification efficiency while improving checking precision easy to off-line remote monitoring checking process.
Description
Technical field
It the utility model is related to intelligent electric meter field, especially a kind of intelligent electric meter check system based on NB-IoT.
Background technology
Internet of Things refers to using communication technologys such as localized network or internets sensor, controller, machine, personnel and thing
It is linked togather Deng by new mode, forms people and be connected with thing, thing and thing, realize information-based, remote management and control and intelligence
Network.
It is mutual that all things on earth is become based on cellular arrowband Internet of Things (Narrow Band Internet of Things, NB-IoT)
One important branch of networking network；NB-IoT is implemented in cellular network, only consumes the bandwidth of about 180KHz, can be deployed directly into
GSM network, UMTS network or LTE network, to reduce lower deployment cost, realize smooth upgrade；NB-IoT possesses four characteristics：When
Wide covering, it will thus provide improved in-door covering, under same frequency range, NB-IoT than existing network gain 20dB, equivalent to
Improve the ability of 100 times of overlay areas；Second, possessing the ability of support magnanimity connection, mono- sector of NB-IoT can support 10
Ten thousand connections, support low latency sensitivity, ultralow equipment cost, low equipment power dissipation and the network architecture of optimization；It is third, lower
Power consumption, the stand-by time of NB-IoT terminal modules are 10 years；Fourth, lower module cost, expected from enterprise it is single in succession
Module is no more than 5 dollars.
Existing intelligent electric meter calibration equipment generally uses and adds criteria check load unit in intelligent electric meter, non-disconnectable
Unload, long-term verification can not ensure checking precision；Another mode be according to the abnormal data at big critical point arrange work personnel profit
With tester field-checking, it is necessary to put into a large amount of manpowers, later data, which is dealt with improperly, causes verification efficiency low；So need one
Remote offline monitoring checking process is so as to improve verification efficiency while kind intelligent electric meter check system is to ensure checking precision.
Utility model content
The purpose of this utility model is that：The utility model provides a kind of intelligent electric meter verification system based on NB-IoT
System, by setting calibration equipment, service main website and host computer, calibration equipment and the wireless telecommunications of service main website, host computer passes through mutual
Connection Service of networking main website reads data, and asking for checking precision can not be ensured by solving existing calibration equipment and being arranged on inside ammeter
Topic, has reached the effect for improving verification efficiency while improving checking precision easy to off-line remote monitoring checking process.
The technical solution adopted in the utility model is as follows：
A kind of intelligent electric meter check system based on NB-IoT, including calibration equipment, service main website and host computer；The school
Experiment device input terminal is electrically connected with intelligent electric meter and backbone, and the calibration equipment output terminal wirelessly connects with service main website
Connect, the service main website is connected with host computer by internet.
Preferably, the calibration equipment includes standard scale and processing apparatus, after the standard scale is electrically connected with backbone
Processing apparatus input terminal one is connected to, processing apparatus input terminal two, the place are connected to after the backbone connection intelligent electric meter
Reason device includes NB-IoT modules and memory module, and memory module is electrically connected with NB-IoT modules, and the processing apparatus passes through
NB-IoT modules and service main website wireless connection.
Preferably, the standard scale includes host, photoelectric sampler and measurement error auto compensation unit, and the photoelectricity is adopted
Sample device and measurement error auto compensation unit are electrically connected with host respectively.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
(1) the utility model is by setting calibration equipment, service main website and host computer, calibration equipment to include standard scale and place
Device is managed, processing apparatus reads data by Internet connection services main website, solve with the wireless telecommunications of service main website, host computer
Existing calibration equipment is arranged on inside ammeter the problem of can not ensureing checking precision, is easy to while having reached raising checking precision
Off-line remote monitoring checking process improves the effect of verification efficiency；
(2) processing apparatus of the utility model includes NB-IoT modules and memory module, realize the preservation of verification data with
Send, communicated wirelessly by NB-IoT modules and service main website server, NB-IoT module dissipations are low, improve remote number
According to the reliability of transmission, offline verification efficiency is further improved；
(3) standard scale of the utility model is provided with measurement error auto compensation unit, further improves calibration equipment
Checking precision, verification can not be dismantled and can not ensure determining for checking precision by avoiding being arranged on the calibration equipment inside ammeter.
Brief description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein：
Fig. 1 is the system block diagram of the utility model.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Elaborate with reference to Fig. 1 to the utility model.
A kind of intelligent electric meter check system based on NB-IoT, including calibration equipment, service main website and host computer；Verification dress
Put input terminal to be electrically connected with intelligent electric meter and backbone, calibration equipment output terminal and service main website wireless connection, service
Main website is connected with host computer by internet.
Calibration equipment includes standard scale and processing apparatus, and it is defeated that standard scale is connected to processing apparatus after being electrically connected with backbone
Enter end one, processing apparatus input terminal two is connected to after backbone connection intelligent electric meter, processing apparatus includes NB-IoT modules and deposits
Module is stored up, memory module is electrically connected with NB-IoT modules, and the processing apparatus is wireless by NB-IoT modules and service main website
Connection.
Standard scale includes host, photoelectric sampler and measurement error auto compensation unit, photoelectric sampler and measurement error
Auto compensation unit is electrically connected with host respectively.
Embodiment 1
System principle：When a kind of intelligent electric meter check system based on NB-IoT works, calibration equipment input terminal one connects
Backbone, calibration equipment input terminal two connect intelligent electric meter output terminal, and intelligent electric meter input terminal connects backbone, and calibration equipment is defeated
Enter the input terminal one that end one connects connection processing device after standard scale, the input terminal of two connection processing device of calibration equipment input terminal
Two, the output terminal of output terminal, that is, calibration equipment of processing apparatus is connected by NB-IoT modules with servicing the server of main website, on
Position machine reads data from server to be connected by internet；Host computer is shown with storing verification data, using removable removable
Calibration equipment compared with intelligent electric meter, comparative result remote offline is sent to host computer, avoids existing being arranged on intelligence
The shortcomings that calibration equipment inside energy ammeter can not ensure checking precision, verification data is shown by host computer is easy to backstage personnel
The data such as checking process and analysis electricity are monitored, easy to improve checking precision, improve the work efficiency of verification；Standard scale and intelligence
Can ammeter measurement data include alternating voltage, alternating current, active power, reactive power, apparent energy, phase angle, frequency,
Active energy etc., current measurement circuit use clamp mutual inductor form, voltage measurement circuit using precision resistance voltage divider,
The host of standard scale employs the microprocessor containing 16 bit A/D converters, realizes the analog-to-digital conversion to current/voltage signal,
Photoelectric sampler realizes AC sampling data processing, the calculating of various industrial frequency AC parameters and by NB-IoT module and service
Device is wirelessly transferred, and NB-IoT module dissipations are low, and most of existing remote transmission uses GPRS module, and power consumption is greatly to device electricity
Pond amount has high requirement, can realize low-power consumption using NB-IoT modules, stablize transmission at a distance；Measurement in standard scale
Error auto compensatng unit realizes that automatically measuring error compensates, and precision is reached 0.1 grade, avoids existing setting inside intelligent electric meter
The shortcomings that criteria check load unit can not be dismantled and can not accurately verified is put, ensure that the precision of tester.This practicality is new
For type by setting calibration equipment, service main website and host computer, calibration equipment includes standard scale and processing apparatus, processing apparatus and clothes
The wireless telecommunications of business main website, host computer read data by Internet connection services main website, solve existing calibration equipment and be arranged on
The problem of can not ensureing checking precision inside ammeter, easy to off-line remote monitoring verification stream while having reached raising checking precision
Cheng Tigao verifies the effect of efficiency.
Claims (3)
- A kind of 1. intelligent electric meter check system based on NB-IoT, it is characterised in that：Including calibration equipment, service main website and upper Machine；The calibration equipment input terminal is electrically connected with intelligent electric meter and backbone, the calibration equipment output terminal and service Main website wireless connection, the service main website are connected with host computer by internet.
- A kind of 2. intelligent electric meter check system based on NB-IoT according to claim 1, it is characterised in that：The verification Device includes standard scale and processing apparatus, and the standard scale is connected to processing apparatus input terminal one after being electrically connected with backbone, Processing apparatus input terminal two is connected to after the backbone connection intelligent electric meter, the processing apparatus includes NB-IoT modules and deposits Module is stored up, memory module is electrically connected with NB-IoT modules, and the processing apparatus is wireless by NB-IoT modules and service main website Connection.
- A kind of 3. intelligent electric meter check system based on NB-IoT according to claim 2, it is characterised in that：The standard Table includes host, photoelectric sampler and measurement error auto compensation unit, and the photoelectric sampler and measurement error compensate automatically Unit is electrically connected with host respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173242.6U CN207232381U (en) | 2017-09-13 | 2017-09-13 | A kind of intelligent electric meter check system based on NB IoT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721173242.6U CN207232381U (en) | 2017-09-13 | 2017-09-13 | A kind of intelligent electric meter check system based on NB IoT |
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| CN207232381U true CN207232381U (en) | 2018-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519503A (en) * | 2018-05-03 | 2018-09-11 | 国网湖南省电力有限公司 | Intelligent electric energy meter based on NB-IOT communications |
-
2017
- 2017-09-13 CN CN201721173242.6U patent/CN207232381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519503A (en) * | 2018-05-03 | 2018-09-11 | 国网湖南省电力有限公司 | Intelligent electric energy meter based on NB-IOT communications |
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