CN207302324U - A kind of electric power data acquisition system based on bandwidth carrier - Google Patents
A kind of electric power data acquisition system based on bandwidth carrier Download PDFInfo
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- CN207302324U CN207302324U CN201721249181.7U CN201721249181U CN207302324U CN 207302324 U CN207302324 U CN 207302324U CN 201721249181 U CN201721249181 U CN 201721249181U CN 207302324 U CN207302324 U CN 207302324U
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Abstract
The utility model discloses a kind of electric power data acquisition system based on bandwidth carrier, including data acquisition module, micro-chip processor and data transmission module, data acquisition module to be electrically connected with micro-chip processor；Micro-chip processor is electrically connected with data transmission module.Utility model works flow is as follows：S1, by the parameter of data collecting module collected operation power equipment, obtains parameter signal；S2, parameter signal are sent to micro-chip processor by transmission line；S3, micro-chip processor carry out analysis calculating to parameter signal；S4, micro-chip processor are sent result of calculation to terminal server by data transmission module.The electric power data acquisition method of the utility model is simple, and the antijamming capability of data transfer can be improved by sending parameter signal by OFDM technology and power line carrier technology, and reduce communication bit error rates.
Description
Technical field
It the utility model is related to electric power data acquisition technical field, and in particular to a kind of electric power data based on bandwidth carrier
Acquisition system.
Background technology
The power transformation of the various voltages entirety that electric line forms in one's power in electric system, is known as power network, abbreviation power grid.
It includes three power transformation, transmission of electricity, distribution units.The task of power network is conveying and distribution electric energy, changes voltage；Electric system is transported
Row, analysis personnel depend on the Real Time Monitoring based on electric network model to the accurate assurance of power grid characteristic.Accurate power grid ginseng
Number is to form the basis that accurate electric network model carries out power system computation.Therefore, the accuracy of electrical network parameter and reliable is improved
Property, it is of great significance to the safe and stable operation of short-term load.
Ammeter is the instrument for measuring electric energy, also known as kilowatt-hour meter, is used when being common in electricity consumption of resident data acquisition.It is existing
Some Domestic electric meters, need manually to read, cause cost of labor larger after electric quantity data is gathered.Then develop into again
The intelligent electric meter of line data-transformation facility, but the intelligent electric meter is more based on the wired data transfers such as RS485, RS232, transmission distance
From it is near, be easily disturbed, limit local and communicate with the transmission of terminal server, the reliability and stability of data transfer can not obtain
To guarantee.In addition, existing ammeter only acquires electricity in collection, other parameters of electric power do not gather, it is impossible to meet technology people
Analysis of the member to whole electric system, while the staff of Utilities Electric Co. can not grasp the working condition of ammeter in real time.
Utility model content
The utility model overcomes the defects of communication system of above-mentioned power emergency repair, there is provided a kind of new based on width
Electric power data acquisition system with carrier wave.The electric power data acquisition method of the utility model is simple, passes through OFDM technology and electric power
Line carrier technology, which sends parameter signal, can improve the antijamming capability of data transfer, and reduce communication bit error rates.
In order to solve the above technical problems, the technical solution of the utility model is as follows：
A kind of electric power data acquisition system based on bandwidth carrier, including data acquisition module, micro-chip processor and data
Transport module, the data acquisition module are electrically connected with micro-chip processor；The micro-chip processor and data transmission module
It is electrically connected；
The data acquisition module includes clock signal collector, FPGA, voltage transformer, voltage transformer and modulus
Converter, wherein,
Input terminal of the input terminal of the clock signal collector as data acquisition module, data acquisition module it is defeated
Outlet is electrically connected with the input terminal of FPGA；
Input terminal of the input terminal of the voltage transformer as data acquisition module, the output terminal of voltage transformer with
The input terminal of analog-digital converter is electrically connected；
Input terminal of the input terminal of the current transformer as data acquisition module, the output terminal of current transformer with
The input terminal of analog-digital converter is electrically connected；
The output terminal of the analog-digital converter is electrically connected with the input terminal of FPGA.
Utility model works flow is as follows：
S1：By the parameter of data collecting module collected operation power equipment, parameter signal is obtained, when parameter signal includes
Clock signal, voltage signal and current signal；
S2：Parameter signal is sent to micro-chip processor by transmission line；
S3：Micro-chip processor carries out analysis calculating using the algorithm of this area routine to parameter signal；
S4：Micro-chip processor is sent result of calculation to terminal server by data transmission module.
In a kind of preferable scheme, the data acquisition module includes clock signal collector, voltage transformer, electricity
Current transformer, analog-digital converter and FPGA, wherein,
Input terminal of the input terminal of the clock signal collector as data acquisition module, data acquisition module it is defeated
Outlet is electrically connected with the input terminal of FPGA；
Input terminal of the input terminal of the voltage transformer as data acquisition module, the output terminal of voltage transformer with
The input terminal of analog-digital converter is electrically connected；
Input terminal of the input terminal of the current transformer as data acquisition module, the output terminal of current transformer with
The input terminal of analog-digital converter is electrically connected；
The output terminal of the analog-digital converter is electrically connected with the input terminal of FPGA.
This preferred solution can achieve the purpose that to the unified collection of operation power device data, it is achieved thereby that obtaining electric power
The technique effect of the data message of the same time cross-section of operational outfit.
In a kind of preferable scheme, the data transmission module includes communication interface, communication control processor, numeral
Signal processor, signal amplifier and signal connector, wherein,
Input terminal of the input terminal of the communication interface as data transmission module, the input terminal and Wei Chu of communication interface
The output terminal for managing chip carries out signal transmission by way of electrical connection or wireless connection；
The output terminal of the communication interface is electrically connected with the input terminal of communication control processor；
The output terminal of the communication control processor is electrically connected with the input terminal of digital signal processor；
The output terminal of the digital signal processor is electrically connected with the input terminal of signal amplifier；
The output terminal of the signal amplifier is electrically connected with the input terminal of signal connector, the output terminal of signal connector
Output terminal as data transmission module.
This preferred solution provides data channel at a high speed, safe and stable, has ensured information about power, application and data
Real time high-speed gathers and transmission.
In a kind of preferable scheme, the communication interface is RS485 interfaces or RS232 interface or ZigBee interfaces.
This preferred solution provides multiple communication interface, strengthens applicability.
In a kind of preferable scheme, the communication control processor is at embedded low-voltage power line carrier communication control
Manage device.Embedded low-voltage power line carrier communication control processor in this preferred solution is stablized with performance, strong antijamming capability,
The characteristics of information transmission is accurate, while also have the function of signal being loaded into power line by power line communication technology.
In a kind of preferable scheme, the digital signal processor is BSP-15 broadband signal processors, described
The signal that BSP-15 broadband signal processors transmit communication control processor carries out OFDM modulation, obtains ofdm modulation signal.
In this preferred solution, BSP-15 broadband signal processors have the characteristics that high-performance, low-power consumption, it is possible to increase signal processing is imitated
Rate.OFDM modulation can reduce communication bit error rates, improve traffic rate.
In a kind of preferable scheme, the signal connector is signal coupler, and the signal coupler is used for
Separation, the mixing of signal, make signal have the preferable degree of coupling.
In a kind of preferable scheme, the data transmission module further includes memory, the memory and communication
Control processor is electrically connected, and memory carries out two-way communication with communication control processor.
Compared with prior art, the beneficial effect of technical solutions of the utility model is：
（1）Electric power data acquisition method is simple, and electric power data signal is sent by OFDM technology and power line carrier technology
The antijamming capability of data transfer can be improved, and reduces communications errors, realizes high speed acquisition and the transmission of data.
（2）The data acquisition module of use can achieve the purpose that to the unified collection of operation power device data, so that real
The technique effect for the data message for obtaining the same time cross-section of operation power equipment is showed.
Brief description of the drawings
Fig. 1 is example structure figure.
Fig. 2 is embodiment data acquisition module block structural diagram.
Fig. 3 is embodiment data transmission module structure chart.
Fig. 4 is embodiment work flow diagram.
Embodiment
Attached drawing is only for illustration, it is impossible to is interpreted as the limitation to this patent；
In order to more preferably illustrate the present embodiment, some components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be appreciated that some known features and its explanation, which may be omitted, in attached drawing
's.
The technical solution of the utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of electric power data acquisition system based on bandwidth carrier, including data acquisition module, program mould
Block, micro-chip processor and data transmission module, data acquisition module are electrically connected with micro-chip processor；Micro-chip processor is passed with data
Defeated module is electrically connected.
Wherein, as shown in Fig. 2, data acquisition module include clock signal collector, voltage transformer, current transformer,
Analog-digital converter and FPGA,
Input terminal of the input terminal of clock signal collector as data acquisition module, the output terminal of data acquisition module with
The input terminal of FPGA is electrically connected；
Input terminal of the input terminal of voltage transformer as data acquisition module, output terminal and the modulus of voltage transformer turn
The input terminal of parallel operation is electrically connected；
Input terminal of the input terminal of current transformer as data acquisition module, output terminal and the modulus of current transformer turn
The input terminal of parallel operation is electrically connected；
The output terminal of analog-digital converter is electrically connected with the input terminal of FPGA.
Wherein, as shown in figure 3, data transmission module includes RS485 interfaces, at embedded low-voltage power line carrier communication control
Device, BSP-15 broadband signal processors, signal amplifier, signal coupler and memory are managed,
Memory is electrically connected with embedded low-voltage power line carrier communication control processor, memory and inlaid low voltage electric power
Carrier communication control processor, which is electrically connected, carries out two-way communication；
Input terminal of the input terminal of RS485 interfaces as data transmission module, input terminal and the microprocessor core of communication interface
The output terminal of piece carries out signal transmission by way of electrical connection；
The output terminal of RS485 interfaces is electrically connected with the input terminal of embedded low-voltage power line carrier communication control processor；
The output terminal of embedded low-voltage power line carrier communication control processor and the input of BSP-15 broadband signal processors
End is electrically connected；
The output terminal of BSP-15 broadband signal processors is electrically connected with the input terminal of signal amplifier；
The output terminal of signal amplifier is electrically connected with the input terminal of signal coupler, and the output terminal of signal coupler is as number
According to the output terminal of transport module.
As shown in figure 4, the present embodiment workflow is as follows：
S1：By the parameter of data collecting module collected operation power equipment, parameter signal is obtained；The parameter signal of gained
Including clock signal, fundamental wave phase angle, fundamental voltage amplitude, harmonic wave phase angle and amplitude, wherein, due to voltage transformer and current transformer
What is obtained is analog signal, it is therefore desirable to is converted into digital signal by analog-digital converter.
S2：Parameter signal is sent to micro-chip processor by transmission line；
S3：Micro-chip processor carries out analysis calculating to parameter signal；
S4：Memory stores signal；
S5：Original signal is changed into by embedded low-voltage power line carrier communication control processor can be loaded into power line
Signal；
S6：BSP-15 carries out OFDM modulation to signal, obtains ofdm modulation signal；
S7：Signal amplifier is amplified ofdm modulation signal, obtains amplified signal；
S8：Signal coupler is by amplified signal by being loaded on power line.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, it is impossible to is interpreted as the limitation to this patent；
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
- A kind of 1. electric power data acquisition system based on bandwidth carrier, it is characterised in that the electric power data acquisition system bag Data acquisition module, micro-chip processor and data transmission module are included, the data acquisition module is electrically connected with micro-chip processor； The micro-chip processor is electrically connected with data transmission module；The data acquisition module includes clock signal collector, FPGA, voltage transformer, voltage transformer and analog-to-digital conversion Device, wherein,Input terminal of the input terminal of the clock signal collector as data acquisition module, the output terminal of data acquisition module It is electrically connected with the input terminal of FPGA；Input terminal of the input terminal of the voltage transformer as data acquisition module, the output terminal and modulus of voltage transformer The input terminal of converter is electrically connected；Input terminal of the input terminal of the voltage transformer as data acquisition module, the output terminal and modulus of current transformer The input terminal of converter is electrically connected；The output terminal of the analog-digital converter is electrically connected with the input terminal of FPGA.
- 2. electric power data acquisition system according to claim 1, it is characterised in that the data transmission module includes logical Believe interface, communication control processor, digital signal processor, signal amplifier and signal connector, wherein,Input terminal of the input terminal of the communication interface as data transmission module, input terminal and the microprocessor core of communication interface The output terminal of piece carries out signal transmission by way of electrical connection or wireless connection；The output terminal of the communication interface is electrically connected with the input terminal of communication control processor；The output terminal of the communication control processor is electrically connected with the input terminal of digital signal processor；The output terminal of the digital signal processor is electrically connected with the input terminal of signal amplifier；The output terminal of the signal amplifier is electrically connected with the input terminal of signal connector, the output terminal conduct of signal connector The output terminal of data transmission module.
- 3. electric power data acquisition system according to claim 2, it is characterised in that the communication interface is that RS485 connects Mouth or RS232 interface or ZigBee interfaces.
- 4. the electric power data acquisition system according to Claims 2 or 3, it is characterised in that the communication control processor It is embedded low-voltage power line carrier communication control processor, the embedded low-voltage power line carrier communication control processor has Signal is loaded into the function of power line by power line communication technology.
- 5. electric power data acquisition system according to claim 4, it is characterised in that the digital signal processor is BSP-15 broadband signal processors, the signal that the BSP-15 broadband signal processors transmit communication control processor carry out OFDM is modulated, and obtains ofdm modulation signal.
- 6. the electric power data acquisition system according to Claims 2 or 3, it is characterised in that the digital signal processor BSP-15 broadband signal processors, the BSP-15 broadband signal processors to the signal that communication control processor transmits into Row OFDM is modulated, and obtains ofdm modulation signal.
- 7. according to the electric power data acquisition system described in claim 2,3 or 5, it is characterised in that the signal connector is Signal coupler, the signal coupler are used for the separation of signal, mixing, signal is had the preferable degree of coupling.
- 8. electric power data acquisition system according to claim 6, it is characterised in that the signal connector is signal coupling Clutch, the signal coupler are used for the separation of signal, mixing, signal is had the preferable degree of coupling.
- 9. electric power data acquisition system according to claim 7, it is characterised in that the data transmission module further includes Memory, the memory are electrically connected with communication control processor, and memory carries out two-way communication with communication control processor.
- 10. according to the electric power data acquisition system described in claim 2,3,5 or 8, it is characterised in that the data transfer mould Block further includes memory, and the memory is electrically connected with communication control processor, and memory is carried out with communication control processor Two-way communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721249181.7U CN207302324U (en) | 2017-09-27 | 2017-09-27 | A kind of electric power data acquisition system based on bandwidth carrier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721249181.7U CN207302324U (en) | 2017-09-27 | 2017-09-27 | A kind of electric power data acquisition system based on bandwidth carrier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107590986A (en) * | 2017-09-27 | 2018-01-16 | 广东电网有限责任公司应急抢修中心 | A kind of electric power data acquisition system based on bandwidth carrier |
| CN112636787A (en) * | 2020-11-24 | 2021-04-09 | 国网天津市电力公司 | Broadband power line carrier communication physical layer resource slicing method and device for concurrent multi-service of power internet of things |
-
2017
- 2017-09-27 CN CN201721249181.7U patent/CN207302324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107590986A (en) * | 2017-09-27 | 2018-01-16 | 广东电网有限责任公司应急抢修中心 | A kind of electric power data acquisition system based on bandwidth carrier |
| CN112636787A (en) * | 2020-11-24 | 2021-04-09 | 国网天津市电力公司 | Broadband power line carrier communication physical layer resource slicing method and device for concurrent multi-service of power internet of things |
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