CN206788207U - Wireless telecommunications electric instrument - Google Patents
Wireless telecommunications electric instrument Download PDFInfo
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- CN206788207U CN206788207U CN201720175985.0U CN201720175985U CN206788207U CN 206788207 U CN206788207 U CN 206788207U CN 201720175985 U CN201720175985 U CN 201720175985U CN 206788207 U CN206788207 U CN 206788207U
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Abstract
The utility model provides a kind of wireless telecommunications electric instrument, including：Signal sampling module, for carrying out voltage and current sample to electrical equipment, obtain analog signal and be filtered and send control process module after enhanced processing to；Control process module, for receiving the analog signal after the processing and being digitized processing, the parameters of electric power data of calculating electrical circuit, and by the parameters of electric power data output to LCD display module, while the request of response server uploads onto the server the parameters of electric power data by wireless communication module；Wireless communication module, connects the control process module, is wirelessly communicated with server；Ask for responding the server and be transferred to the control process module；And the parameters of electric power data are wirelessly sent to server；LCD display module.The utility model has that communication distance is remote, the transmission rate advantage such as flexibly adjustable, strong environmental adaptability, communication module power consumption is low.
Description
Technical field
Ammeter field is the utility model is related to, more particularly to a kind of ammeter of wireless telecommunications.
Background technology
In recent years, as countries in the world government and enterprise constantly increase improving electric energy distribution and saving the demand of electric energy,
Extensive concern has been obtained in the world.Electric energy metrical is the weight of electric power enterprise production and operating activities and electric power netting safe running
Link is wanted, then some old-fashioned power distribution rooms are badly in need of being transformed communicates, it is necessary to install intelligence instrument with server.And existing market
Upper wide variety of electric instrument is generally adopted by RS-485 communications, and this communication modes need to arrange connection, and for
The transformation arrangement connection of old-fashioned power distribution room has a very big difficulty, and debug, safeguard it is very inconvenient.Therefore need a kind of wireless
Electric instrument is communicated to solve the problems, such as difficult wiring.
The content of the invention
For the deficiencies in the prior art, the utility model provides a kind of wireless telecommunications electric instrument, and it is used
LoRa wireless communication modules, have that communication distance is remote, transmission rate flexibly adjustable, strong environmental adaptability, communication module power consumption
Low advantage is measured, these advantages allow LoRa to be more suitable for as the short range communication technology in intelligent meter data recording system；Wireless telecommunications electricity
Power instrument is easy to constructing operation and maintenance, while has been greatly reduced the use cost of ammeter.The technology that the utility model uses
Scheme is：
A kind of wireless telecommunications electric instrument, including：
Signal sampling module, control process module is connected, for carrying out voltage and current sample to electrical equipment, obtain mould
Intend signal and be filtered and send control process module after enhanced processing to；
Control process module, for receiving the analog signal after the processing and being digitized processing, calculate electricity consumption and return
The parameters of electric power data on road, and by the parameters of electric power data output to LCD display module, while the request of response server will
The parameters of electric power data are uploaded onto the server by wireless communication module；
Wireless communication module, connects the control process module, is wirelessly communicated with server；For responding
Server is stated to ask and be transferred to the control process module；And the parameters of electric power data are wirelessly sent to server；
LCD display module, the control process module is connected, output display and parameter setting for parameters of electric power.
Further, signal sampling module specifically includes computation chip U1, current transformer, amplifier amplifying circuit, filtering
Circuit；Current transformer is used for the current sample of electrical equipment, and the output end of current transformer connects the defeated of amplifier amplifying circuit
Enter end, the output end connection computation chip U1 of amplifier amplifying circuit current signal input；Electricity consumption is gathered by electric resistance partial pressure
The voltage of equipment, then after filtering after circuit filtering, input to computation chip U1 voltage signal inputs.
Further, filter circuit includes electric capacity C1, C2, resistance R1, R2；The voltage signal positive pole VI+ of sampling connects electricity
Hold C1 and resistance R1 one end, and connect the other end of computation chip U1 voltage signal inputs positive pole, electric capacity C1 and resistance R1
Ground connection；The voltage signal negative pole VI- of sampling connects electric capacity C2 and resistance R2 one end, and connects computation chip U1 voltage signal input
Hold the other end ground connection of negative pole, electric capacity C2 and resistance R2.
More preferably, wireless communication module uses LoRa wireless communication modules.
The utility model has the advantage of：
The WIFI wireless communication techniques of main flow and ZigBee wireless communication techniques have certain shortcoming at present.WiFi technology group
Net ability is low, and extending space is restricted.ZigBee technology poor anti jamming capability, the shortcomings of signal attenuation is fast, and communication distance is short.This
Utility model is based on LoRa wireless communication techniques, and communication distance is remote, the flexible adjustable, strong environmental adaptability of transmission rate；It is easy to
Constructing operation and maintenance, while it has been greatly reduced the use cost of ammeter.
Brief description of the drawings
Fig. 1 is structure composition schematic diagram of the present utility model.
Fig. 2 is signal sampling module electrical schematic diagram of the present utility model.
Embodiment
With reference to specific drawings and examples, the utility model is described in further detail.
As shown in figure 1, wireless telecommunications electric instrument provided by the utility model, including sample of signal module, control process
Module, wireless communication module, LCD display module；The wireless telecommunications electric instrument is passed through by wireless communication module and server
Wireless communication mode；
Signal sampling module, control process module is connected, for carrying out voltage and current sample to electrical equipment, obtain mould
Intend signal and be filtered and send control process module after enhanced processing to；
In Fig. 2, signal sampling module specifically includes computation chip U1, current transformer, amplifier amplifying circuit, filtered electrical
Road；Current transformer is used for the current sample of electrical equipment, the input of the output end connection amplifier amplifying circuit of current transformer
End, the output end connection computation chip U1 of amplifier amplifying circuit current signal input；Electricity consumption is gathered by electric resistance partial pressure to set
Standby voltage, then after filtering after circuit filtering, input to computation chip U1 voltage signal inputs；Computation chip U1 is adopted
With the RN08209D of Rui Nengwei companies, its 4th and 5 pin of ground as current signal input, the 8th and the 9th pin is as voltage signal
Input；Computation chip U1 connects control process module by a SPI interface；
Filter circuit includes electric capacity C1, C2, resistance R1, R2；The voltage signal positive pole VI+ of sampling meets electric capacity C1 and resistance R1
One end, and connect computation chip U1 voltage signal inputs positive pole（8th pin）, electric capacity C1 and resistance R1 other end ground connection；
The voltage signal negative pole VI- of sampling connects electric capacity C2 and resistance R2 one end, and the voltage signal inputs for meeting computation chip U1 are born
Pole（9th pin）, electric capacity C2 and resistance R2 other end ground connection.
Control process module, for receiving the analog signal after the processing and being digitized processing, calculate electricity consumption and return
The parameters of electric power data on road, and by the parameters of electric power data output to LCD display module, while the request of response server will
The parameters of electric power data are uploaded onto the server by wireless communication module；Control process module is using STM32L051C8T6's
ARM Cortex M3 processors, including the memory AT24C1204 of storage arrange parameter and real-time energy data；
Wireless communication module, the control process module is connected by another SPI interface, with server wirelessly
Communication；Ask for responding the server and be transferred to the control process module；It is and the parameters of electric power data are wireless
It is sent to server；Wireless communication module specifically uses the MY-1278-4438S-A0 of Mu Yi electronics (Shanghai) Co., Ltd., its
It is a kind of LoRa wireless communication modules, the LoRa wireless communication modules that other producers can also be used to provide；LoRa wireless telecommunications
Technology has that communication distance is remote, the transmission rate advantage such as flexibly adjustable, strong environmental adaptability, communication module power consumption is low, these
Advantage allows LoRa to be more suitable for as the short range communication technology in intelligent meter data recording system；
Wireless communication module described in server wireless connection, for by the wireless communication module to control process module
Send parameters of electric power data described in acquisition request and stored.Control process module can measure the voltage with electrical circuit, electricity
The parameters of electric power data such as stream, power, electric energy, and the parameters of electric power data are uploaded to server by wireless telecommunications；
LCD display module, the control process module is connected, for by the parameters of electric power data output and showing, wrapped
Include LCD and driving chip, backlight and key circuit.
Claims (4)
- A kind of 1. wireless telecommunications electric instrument, it is characterised in that including：Signal sampling module, control process module is connected, for carrying out voltage and current sample to electrical equipment, obtain simulation letter Number and be filtered and send control process module after enhanced processing to；Control process module, for receiving the analog signal after the processing and being digitized processing, calculating electrical circuit Parameters of electric power data, and by the parameters of electric power data output to LCD display module, while the request of response server is by described in Parameters of electric power data are uploaded onto the server by wireless communication module；Wireless communication module, connects the control process module, is wirelessly communicated with server；For responding the clothes Business device is asked and is transferred to the control process module；And the parameters of electric power data are wirelessly sent to server；LCD display module, the control process module is connected, output display and parameter setting for parameters of electric power.
- 2. wireless telecommunications electric instrument as claimed in claim 1, it is characterised in thatSignal sampling module specifically includes computation chip U1, current transformer, amplifier amplifying circuit, filter circuit；Current Mutual Inductance Device is used for the current sample of electrical equipment, the input of the output end connection amplifier amplifying circuit of current transformer, amplifier amplification The output end connection computation chip U1 of circuit current signal input；The voltage of electrical equipment is gathered by electric resistance partial pressure, so Afterwards after filter circuit filters, input to computation chip U1 voltage signal inputs.
- 3. wireless telecommunications electric instrument as claimed in claim 2, it is characterised in thatFilter circuit includes electric capacity C1, C2, resistance R1, R2；The voltage signal positive pole VI+ of sampling connects the one of electric capacity C1 and resistance R1 End, and connect the other end ground connection of computation chip U1 voltage signal inputs positive pole, electric capacity C1 and resistance R1；The voltage letter of sampling Number negative pole VI- connects electric capacity C2 and resistance R2 one end, and connects computation chip U1 voltage signal inputs negative pole, electric capacity C2 and electricity Hinder R2 other end ground connection.
- 4. wireless telecommunications electric instrument as claimed in claim 1, it is characterised in thatWireless communication module uses LoRa wireless communication modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175985.0U CN206788207U (en) | 2017-02-27 | 2017-02-27 | Wireless telecommunications electric instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175985.0U CN206788207U (en) | 2017-02-27 | 2017-02-27 | Wireless telecommunications electric instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788207U true CN206788207U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175985.0U Active CN206788207U (en) | 2017-02-27 | 2017-02-27 | Wireless telecommunications electric instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771383A (en) * | 2017-02-27 | 2017-05-31 | 博耳(无锡)电力成套有限公司 | Wireless telecommunications electric instrument |
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2017
- 2017-02-27 CN CN201720175985.0U patent/CN206788207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771383A (en) * | 2017-02-27 | 2017-05-31 | 博耳(无锡)电力成套有限公司 | Wireless telecommunications electric instrument |
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