CN207742785U - A kind of ammeter based on NB-IOT communications - Google Patents
A kind of ammeter based on NB-IOT communications Download PDFInfo
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- CN207742785U CN207742785U CN201820040646.6U CN201820040646U CN207742785U CN 207742785 U CN207742785 U CN 207742785U CN 201820040646 U CN201820040646 U CN 201820040646U CN 207742785 U CN207742785 U CN 207742785U
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Abstract
The utility model is related to a kind of ammeters based on NB IOT communications, including:One power module, metering control module, NB IOT communication modules, usim card module, RS485 interfaces, antenna, communication control module and signal sampling copper-manganese piece, the power module is connect with the metering control module, the NB IOT communication modules and the RS485 interfaces, the metering control module is connect with the signal sampling copper-manganese piece, the NB IOT communication modules are connect with the usim card module, the antenna and the communication control module, and the signal sampling copper-manganese piece is connect with extraneous firewire.A kind of ammeter based on NB IOT communications described in the utility model makes it possible that ammeter radio remote distance low cost communicates, greatly improves the communication speed and reliability of ammeter;The intermediate equipments such as collector, concentrator are saved, equipment cost and communication cost of use cost are reduced.
Description
Technical field
The utility model is related to ammeter field of wireless communication, more particularly to a kind of ammeter based on NB-IOT communications.
Background technology
It is to realize that power line carrier module communication speed is slow with RS485 and power line carrier module that existing ammeter, which carries out communication,
Reliability is very poor, and RS485 communications are wired, to be connected up, and cost of installation and maintenance is high, due to the structure of existing ammeter so that electricity
Table cannot achieve by wireless data transmission, simultaneously because existing wireless communication technique such as GPRS, CDMA, LTE make equipment at
This and communication cost of use cost are high, and LORA, WIFI transmission range are not far, are unable to large area covering;The ammeter
Data wireless transmission, which is one, to be solved the problems, such as.
Utility model content
The purpose of this utility model is to be directed to above-mentioned present situation, provides a kind of ammeter communicated based on NB-IOT.(NB-IOT is complete
Referred to as narrow band internet of thing, the entitled protenchyma networking of Chinese)
The technical solution adopted in the utility model is:A kind of ammeter based on NB-IOT communications, including:Power module, meter
Measure control module, NB-IOT communication modules, usim card module, RS485 interfaces, antenna, communication control module and signal sampling manganese
Copper sheet, the power module are connect with the metering control module, the NB-IOT communication modules and the RS485 interfaces, institute
It states metering control module to connect with the signal sampling copper-manganese piece, the NB-IOT communication modules and the usim card module, institute
It states antenna and communication control module connection, the signal sampling copper-manganese piece is connect with extraneous firewire, the measure control
Module samples electric signal by the signal sampling copper-manganese piece, obtains the electrical parameters such as electric current, voltage, phase, and calculating has
Work(power and reactive power, and result of calculation is sent to the communication control module.
The effect of the utility model is:It is described in the utility model it is a kind of based on NB-IOT communication ammeter, make ammeter without
The remote low cost communication of line is possibly realized, and is greatly improved the communication speed and reliability of ammeter, is saved collector, collection
The intermediate equipments such as middle device reduce equipment cost and communication cost of use cost.
Description of the drawings
Fig. 1 show a kind of structural schematic diagram of ammeter communicated based on NB-IOT provided by the utility model.
Specific implementation mode
The ammeter provided by the utility model communicated based on NB-IOT is introduced below in conjunction with the accompanying drawings:
Referring to Fig. 1, for a kind of ammeter based on NB-IOT communications provided by the utility model comprising:One for supplying
The power module 1 of electricity, metering control module 2, NB-IOT communication modules 3, usim card module 4, RS485 interfaces 5, antenna 6, communication
Control module 7, relay 8, photoelectric isolation module 9, display module 10 and signal sampling copper-manganese piece 11.
The power module 1 and the metering control module 2, the NB-IOT communication modules 3 and the RS485 interfaces 5
Connection.The power supply provides 3.3V voltages to the metering control module 2, the communication control module 7, logical to the NB-IOT
It interrogates module 3 and 4V voltages is provided, 12V voltages are provided to the RS845 interfaces 5.
It is the metering control module 2 and the communication control module 7, the relay 8, the display module 10, described
One end of photoelectric isolation module 9 and the signal sampling copper-manganese piece 11 connection.
The metering control module 2 samples electric signal by the signal sampling copper-manganese piece 11, obtains electric current, electricity
The electrical parameters such as pressure, phase calculate active power and reactive power, and result of calculation are sent to the communication control module 7, institute
State display module 10.
The NB-IOT communication modules 3 connect with the usim card module 4, the antenna 6 and the communication control module 7
It connects.The communication data that the communication control module 7 sends over is changed into wireless signal and passes through institute by the NB-IOT communication modules 3
State the transmission of antenna 6.
The usim card module 4 is for realizing communication authentication.
The RS485 interfaces 5 are connect with the other end of the photoelectric isolation module 9, and the RS485 interfaces 5 take into account RS485
Wire communication.
The communication control module 7 is connect with the NB-IOT communication modules 3 and the metering control module 2, described logical
It interrogates control module 7 and realizes the control communicated to the NB-IOT communication modules 3 and to the metering control module 2.The communication
The Data Concurrent that control module 7 receives the transmission of the metering control module 2 gives the NB-IOT communication modules 3, or receives institute
The Data Concurrent for stating the transmission of NB-IOT communication modules 3 gives the metering control module 2.
The coil group of the relay 8 is connect with the metering control module 2, the electric shock group both ends of the relay 8 with
Extraneous firewire connection.The metering control module 2 can control being turned on or off for firewire by the relay 8.
The metering control module 2 and the RS485 interfaces 5 is isolated in the photoelectric isolation module 9, to prevent electromagnetic interference
With surge, lightning stroke.
The display module 10 is used to show the electrical parameter and continuous data that the metering control module 2 samples.
The signal sampling copper-manganese piece 11 is connect with the metering control module 2, the signal sampling copper-manganese piece 11 with it is outer
The firewire on boundary connects.
When using the ammeter communicated based on NB-IOT, the ammeter based on NB-IOT communications is first installed in band meter
It measures on circuit, the power supply provides 3.3V voltages to the metering control module 2, the communication control module 7, gives the NB-
IOT communication modules 3 provide 4V voltages, and 12V voltages are provided to the RS845 interfaces 5;The metering control module 2 passes through described
Signal sampling copper-manganese piece 11 samples electric signal, obtains the electrical parameters such as electric current, voltage, phase, calculates active power and nothing
Work(power, and result of calculation is sent to the communication control module 7, the display module 10, the communication control module 7 connects
The Data Concurrent for receiving the transmission of the metering control module 2 gives the NB-IOT communication modules 3, or receives the NB-IOT communications
The Data Concurrent that module 3 is sent gives the metering control module 2.It is such as additionally required, the RS485 interfaces 5 can also be passed through
Wire communication is carried out with the ammeter based on NB-IOT communications.
A kind of ammeter based on NB-IOT communications described in the utility model, make the distance low cost communication of ammeter radio remote at
It is possible, greatly improves the communication speed and reliability of ammeter, save the intermediate equipments such as collector, concentrator, reduces
Equipment cost and communication cost of use cost.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of ammeter based on NB-IOT communications, which is characterized in that including:Power module, metering control module, NB-IOT are logical
Interrogate module, usim card module, RS485 interfaces, antenna, communication control module and signal sampling copper-manganese piece, the power module with
The metering control module, the NB-IOT communication modules and the RS485 interfaces connection, the metering control module with it is described
Signal sampling copper-manganese piece connects, the NB-IOT communication modules and the usim card module, the antenna and the Communication Control
Module connects, and the signal sampling copper-manganese piece is connect with extraneous firewire, and the metering control module passes through the signal sampling
Copper-manganese piece samples electric signal, obtains the electrical parameter of electric current, voltage, phase, calculates active power and reactive power, and will
Result of calculation is sent to the communication control module.
2. the ammeter as described in claim 1 based on NB-IOT communications, which is characterized in that it further includes a Phototube Coupling mould
Block, described photoelectric isolation module one end are connect with the RS485 interfaces, and the other end is connect with the metering control module, described
The metering control module and the RS485 interfaces is isolated in photoelectric isolation module, to prevent electromagnetic interference and surge, lightning stroke.
3. the ammeter as claimed in claim 2 based on NB-IOT communications, which is characterized in that it further includes a relay, described
The coil group of relay is connect with the metering control module, and the electric shock group both ends of the relay are connect with extraneous firewire,
The metering control module can control being turned on or off for firewire by the relay.
4. the ammeter as claimed in claim 3 based on NB-IOT communications, which is characterized in that it further includes a display module, institute
It states display module to connect with the metering control module, the display module is for showing what the metering control module sampled
Electrical parameter and continuous data.
Priority Applications (1)
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CN201820040646.6U CN207742785U (en) | 2018-01-10 | 2018-01-10 | A kind of ammeter based on NB-IOT communications |
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CN201820040646.6U CN207742785U (en) | 2018-01-10 | 2018-01-10 | A kind of ammeter based on NB-IOT communications |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109982289A (en) * | 2019-04-17 | 2019-07-05 | 苏州天一信德环保科技有限公司 | Environmental inspection based on NB-IOT technology matches electricity consumption monitor terminal |
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2018
- 2018-01-10 CN CN201820040646.6U patent/CN207742785U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109982289A (en) * | 2019-04-17 | 2019-07-05 | 苏州天一信德环保科技有限公司 | Environmental inspection based on NB-IOT technology matches electricity consumption monitor terminal |
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