CN203658499U - Visible light communication-based electric parameter measuring device - Google Patents
Visible light communication-based electric parameter measuring device Download PDFInfo
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- CN203658499U CN203658499U CN201320865220.1U CN201320865220U CN203658499U CN 203658499 U CN203658499 U CN 203658499U CN 201320865220 U CN201320865220 U CN 201320865220U CN 203658499 U CN203658499 U CN 203658499U
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Abstract
The utility model discloses a visible light communication-based electric parameter measuring device. The device comprises an online electric parameter acquisition and transmission device composed of a current transformer, a voltage transformer, a signal pre-processing circuit, an AD sampling circuit, a signal coding circuit, an LED driving circuit, an LED light emitting element, a rectifier and filter circuit and a DC/DC converter, and a ground receiver composed of a light detection circuit, an amplifier circuit, a signal decoding circuit, an information storage device, an information display device and a communication interface. According to the visible light communication-based electrical parameter measuring device, monitoring data transmission of the electric parameter acquisition device arranged on an electric line and the ground can be realized on the basis of visible light communication; the problems that reading of monitoring data on the electric line is inconvenient and data are not easy to use can be solved; and difficulties of online and offline monitoring data transmission can be overcome, for example, in the case of wired transmission, communication line laying is difficult; in the case of wireless transmission, the device is not suitable to be used in hospitals and other places which are sensitive to electromagnetic signals; and in the case of infrared transmission, damages can be caused to human eyes.
Description
Technical field
The utility model relates to a kind of Power Parameters Measurement Device, particularly a kind of Power Parameters Measurement Device based on visible light communication.
Background technology
In electric system, in order to realize the supervision to electrical equipment and electric power transfer quality and to realize electric power system control robotization, a series of instrument often to be installed and complete the measurement to power circuit parameters of electric power, and at present, these electric parameter measurement instrument are mostly arranged in the high-low voltage electric power distribution cabinet of special configuration, the parameter that is also full of power circuit reference mark near-end of Monitoring Data reflection.Along with power system security operation management is to electrical equipment auto-control and intelligent degree and the raising to electric power transfer quality requirements, the parameters of electric power that requirement records more and more derives from line, so, realize interim or be fixedly installed in electric parameter measurement instrument on power circuit and the transmission of ground monitoring data, solve current power circuit on-line monitoring data and read inconvenience, not wield problem, just become our problem demanding prompt solution, but its: as wire transmission, communication line is laid difficulty; As wireless transmission, be not suitable in hospital etc., the place of electromagnetic signal sensitivity being used; And as adopted infrared transmission, may damage human eye.The present invention is exactly the solution proposing for these problems.
Summary of the invention
Technical problem to be solved in the utility model is to overcome existing electric parameter measurement instrument to be installed on power circuit and to exist Monitoring Data to read inconvenience, not wield deficiency, and provide a kind of electric parameter acquisition device to be installed on power circuit, can to realize and the Power Parameters Measurement Device of ground monitoring data transmission by visible light communication, i.e. a kind of Power Parameters Measurement Device based on visible light communication.
The technical scheme in the invention for solving the technical problem is as follows:
This electric parameter acquisition device is installed on power circuit, can realize and the Power Parameters Measurement Device of ground monitoring data transmission by visible light communication, i.e. the Power Parameters Measurement Device based on visible light communication, and it comprises:
One by current transformer, voltage transformer (VT), signal pre-processing circuit, AD sample circuit, Signal coding circuit, LED drive circuit, electric parameter acquisition and dispensing device on the line that LED light emitting members and current rectifying and wave filtering circuit and DC/DC transducer form, current transformer is wherein used for obtaining power circuit current signal and energy, output termination one current rectifying and wave filtering circuit of current transformer, the output termination signal pre-processing circuit of this current rectifying and wave filtering circuit, AD sample circuit, Signal coding circuit, the power input of LED drive circuit, for collection and the transmission of parameters of electric power on line provide a road working power, the output terminal of current transformer connects the input end of signal pre-processing circuit current signal treatment circuit simultaneously, for the collection of parameters of electric power on line provides power circuit current signal, voltage transformer (VT) is used for obtaining electric power line voltage signal and energy, another current rectifying and wave filtering circuit of output termination of voltage transformer (VT), the output termination DC/DC transducer of this current rectifying and wave filtering circuit, the output terminal of DC/DC transducer also connects signal pre-processing circuit, AD sample circuit, Signal coding circuit, the power input of LED drive circuit, for collection and the transmission of parameters of electric power on line provide another road working power, the output terminal of voltage transformer (VT) connects the input end of signal pre-processing circuit voltage signal processing circuit simultaneously, for the collection of parameters of electric power on line provides electric power line voltage signal, signal pre-processing circuit is for promoting to the power circuit electric current AC signal from current transformer with from the electric power line voltage AC signal of voltage transformer (VT), make the AC signal fixing DC level that superposes of input, thereby the amplitude that makes signal remains between 0～5V, meet the input request signal of A/D converter, the output termination AD sample circuit of signal pre-processing circuit, AD sample circuit, for the parameters of electric power signal from signal pre-processing circuit is carried out to mould/number conversion, becomes parameters of electric power signal signal pre-processing circuit output, simulation into digital signal, the output termination Signal coding circuit of AD sample circuit, Signal coding circuit is for carrying out corresponding encoded and add error monitoring and error correction information the numerical information from AD sample circuit, make gathered parameters of electric power information conversion become to meet the transmission code of communication standard, the output termination LED drive circuit of Signal coding circuit, LED light emitting members is connected on the output terminal of LED drive circuit, LED drive circuit will remove driving LED light emitting members according to the electric current that produces corresponding size from the coded signal of Signal coding circuit, the luminous power of LED light emitting members is changed along with the variation of coded signal, thereby realize electrooptical modulation by LED light source, change information into visible light signal by electric signal and send, complete the transmission of parameters of electric power on line,
One by optical detection circuit, amplifying circuit, the ground receiver that signal decoding circuit and information-storing device and information display device and communication interface form, the visible light signal that is loaded with parameters of electric power detecting information that on optical detection circuit reception line wherein, electric parameter acquisition and dispensing device send, and a light signal receiving converts the current signal of corresponding size to according to watt level, again by pull-up resistor and then convert the voltage signal of corresponding size to, modulate by photoelectricity, the visible light signal that is loaded with parameters of electric power detecting information of electric parameter acquisition on line and dispensing device transmission is transformed into electric signal, the output termination amplifying circuit of optical detection circuit, the ultra-weak electronic signal that amplifying circuit is used for that optical detection circuit is exported amplifies, shaping, makes it revert to the transmission code that meets communication standard, the output termination signal decoding circuit of amplifying circuit, signal decoding circuit is for removing error monitoring and the error correction information of transmission code and the error code occurring in transmission being carried out to error code correction, thereby recover original parameters of electric power detecting information, output termination information-storing device, information display device and the communication interface of signal decoding circuit, be respectively used to storage, show the parameters of electric power recording and send the parameters of electric power recording to Surveillance center computing machine, manage for electric power supervisory control.
This Power Parameters Measurement Device provided by the utility model, it is realized interim or is fixedly installed in electric parameter acquisition device on power circuit and the transmission of ground monitoring data with visible light communication, solves current power circuit on-line monitoring data and reads inconvenience, not wield problem; It has also overcome the line lower Monitoring Data transmission of reaching the standard grade: as wire transmission, communication line is laid difficulty; As wireless transmission, be not suitable in hospital etc., the place of electromagnetic signal sensitivity being used; As adopt infrared transmission, the drawback that may damage human eye, it succeed in developing the lifting that will promote electric power transfer quality and power system security operation management.
Accompanying drawing explanation
The electrical schematic diagram of the Power Parameters Measurement Device based on visible light communication that Fig. 1 provides for the utility model embodiment.
The circuit diagram of the AD sample circuit of the Power Parameters Measurement Device based on visible light communication that Fig. 2 provides for the utility model embodiment.
Embodiment
The utility model is the combination by the signal pre-processing circuit of current transformer, voltage transformer (VT), existing Power Parameters Measurement Device, AD sample circuit, information-storing device, information display device and communication interface circuit and visible light communication technology, is mainly used in gathering power on force parameter the power circuit on-line monitoring data that collect are transferred to ground storage, show and send to Surveillance center in the mode of visible light communication use of line of electric force route.
With reference to accompanying drawing 1, this electric parameter acquisition device that the utility model embodiment provides is installed on power circuit, can realize and the Power Parameters Measurement Device of ground monitoring data transmission by visible light communication, the i.e. Power Parameters Measurement Device based on visible light communication, it comprises:
One by current transformer 10, voltage transformer (VT) 11, signal pre-processing circuit 15, AD sample circuit 16, Signal coding circuit 17, LED drive circuit 18, LED light emitting members 19 and current rectifying and wave filtering circuit (12, 13) electric parameter acquisition and dispensing device 1 and on the line that forms of DC/DC transducer 14, wherein be installed on current transformer 10 on power circuit for obtaining power circuit current signal and energy, the output termination current rectifying and wave filtering circuit 12 of current transformer 10, the output termination signal pre-processing circuit 15 of this current rectifying and wave filtering circuit 12, AD sample circuit 16, Signal coding circuit 17, the power input of LED drive circuit 18, for collection and the transmission of parameters of electric power on line provide a road working power, the output terminal of current transformer 10 connects the input end of signal pre-processing circuit current signal treatment circuit simultaneously, for the collection of parameters of electric power on line provides power circuit current signal, be installed on voltage transformer (VT) 11 on power circuit for obtaining electric power line voltage signal and energy, the output termination current rectifying and wave filtering circuit 13 of voltage transformer (VT) 11, the output termination DC/DC transducer 14 of this current rectifying and wave filtering circuit 13, the output terminal of DC/DC transducer 14 also connects signal pre-processing circuit 15, AD sample circuit 16, Signal coding circuit 17, the power input of LED drive circuit 18, for collection and the transmission of parameters of electric power on line provide another road working power, the output terminal of voltage transformer (VT) 11 connects the input end of signal pre-processing circuit voltage signal processing circuit simultaneously, for the collection of parameters of electric power on line provides electric power line voltage signal, signal pre-processing circuit 15 promotes for the power circuit electric current AC signal to from current transformer 10 with from the electric power line voltage AC signal of voltage transformer (VT) 11, make the AC signal fixing DC level that superposes of input, thereby the amplitude that makes signal remains between 0～5V, meet the input request signal of A/D converter, the output termination AD sample circuit 16 of signal pre-processing circuit 15, AD sample circuit 16 carries out mould/number conversion for the parameters of electric power signal to from signal pre-processing circuit 15, parameters of electric power signal that export signal pre-processing circuit 15, simulation is become to digital signal, the output termination Signal coding circuit 17 of AD sample circuit 16, Signal coding circuit 17 carries out corresponding encoded and adds error monitoring and error correction information for the numerical information to from AD sample circuit 16, make gathered parameters of electric power information conversion become to meet the transmission code of communication standard, the output termination LED drive circuit 18 of Signal coding circuit 17, LED light emitting members 19 is connected on the output terminal of LED drive circuit 18, LED drive circuit 18 will remove driving LED light emitting members 19 according to the electric current that produces corresponding size from the coded signal of Signal coding circuit, the luminous power of LED light emitting members 19 is changed along with the variation of coded signal, thereby realize electrooptical modulation by LED light source, change information into visible light signal by electric signal and send, complete the transmission of parameters of electric power on line,
One by optical detection circuit 20, amplifying circuit 21, the ground receiver 2 that signal decoding circuit 22 and information-storing device 23 and information display device 24 and communication interface 25 form, optical detection circuit 20 wherein receives the visible light signal that is loaded with parameters of electric power detecting information that on line, electric parameter acquisition and dispensing device 1 send, and a light signal receiving converts the current signal of corresponding size to according to watt level, again by pull-up resistor and then convert the voltage signal of corresponding size to, modulate by photoelectricity, the visible light signal that is loaded with parameters of electric power detecting information that electric parameter acquisition on line and dispensing device 1 are sent is transformed into electric signal, the output termination amplifying circuit 21 of optical detection circuit 20, amplifying circuit 21 for the ultra-weak electronic signal that optical detection circuit 20 is exported amplify, shaping, make it revert to the transmission code that meets communication standard, the output termination signal decoding circuit 22 of amplifying circuit 21, signal decoding circuit 22 is for removing error monitoring and the error correction information of transmission code and the error code occurring in transmission being carried out to error code correction, thereby recover original parameters of electric power detecting information, the output termination information-storing device 23 of signal decoding circuit 22, information display device 24 and communication interface 25, information-storing device 23, information display device 24 is respectively used to storage and shows the parameters of electric power recording, communication interface 25 is for passing through RS232, the communication network such as USB and Ethernet sends the parameters of electric power recording to Surveillance center computing machine, for electric power supervisory control management.
With reference to accompanying drawing 2, the AD sample circuit of the Power Parameters Measurement Device based on visible light communication that the utility model embodiment provides is made up of AD0P07AQ integrated circuit and peripheral circuit (resistance R 1, resistance R 2, resistance R 3, capacitor C 1, diode D1, diode D2, diode D3).
Claims (1)
1. the Power Parameters Measurement Device based on visible light communication, is characterized in that it comprises:
One by current transformer (10), voltage transformer (VT) (11), signal pre-processing circuit (15), AD sample circuit (16), Signal coding circuit (17), LED drive circuit (18), LED light emitting members (19) and current rectifying and wave filtering circuit (12, 13) and DC/DC transducer (14) form line on electric parameter acquisition and dispensing device (1), the output termination current rectifying and wave filtering circuit (12) of current transformer (10) wherein, the output termination signal pre-processing circuit (15) of this current rectifying and wave filtering circuit (12), AD sample circuit (16), Signal coding circuit (17), the power input of LED drive circuit (18), for collection and the transmission of parameters of electric power on line provide a road working power, the output terminal of current transformer (10) connects the input end of signal pre-processing circuit current signal treatment circuit simultaneously, for the collection of parameters of electric power on line provides power circuit current signal, the output termination current rectifying and wave filtering circuit (13) of voltage transformer (VT) (11), the output termination DC/DC transducer (14) of this current rectifying and wave filtering circuit (13), the output terminal of DC/DC transducer (14) also connects signal pre-processing circuit (15), AD sample circuit (16), Signal coding circuit (17), the power input of LED drive circuit (18), for collection and the transmission of parameters of electric power on line provide another road working power, the output terminal of voltage transformer (VT) (11) connects the input end of signal pre-processing circuit voltage signal processing circuit simultaneously, for the collection of parameters of electric power on line provides electric power line voltage signal, the output termination AD sample circuit (16) of signal pre-processing circuit (15), the output termination Signal coding circuit (17) of AD sample circuit (16), the output termination LED drive circuit (18) of Signal coding circuit (17), LED light emitting members (19) is connected on the output terminal of LED drive circuit (18), LED drive circuit (18) will remove driving LED light emitting members (19) according to the electric current that produces corresponding size from the coded signal of Signal coding circuit, the luminous power of LED light emitting members (19) is changed along with the variation of coded signal, thereby realize electrooptical modulation by LED light source, change information into visible light signal by electric signal and send, complete the transmission of parameters of electric power on line,
One by optical detection circuit (20), amplifying circuit (21), the ground receiver (2) that signal decoding circuit (22) and information-storing device (23) and information display device (24) and communication interface (25) form, the visible light signal that is loaded with parameters of electric power detecting information that on optical detection circuit (20) reception line wherein, electric parameter acquisition and dispensing device (1) send, and a light signal receiving converts the current signal of corresponding size to according to watt level, again by pull-up resistor and then convert the voltage signal of corresponding size to, the output termination amplifying circuit (21) of optical detection circuit (20), the output termination signal decoding circuit (22) of amplifying circuit (21), output termination information-storing device (23), information display device (24) and the communication interface (25) of signal decoding circuit (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320865220.1U CN203658499U (en) | 2013-12-25 | 2013-12-25 | Visible light communication-based electric parameter measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320865220.1U CN203658499U (en) | 2013-12-25 | 2013-12-25 | Visible light communication-based electric parameter measuring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675555A (en) * | 2013-12-25 | 2014-03-26 | 国家电网公司 | Power parameter measuring device based on visible light communication |
| CN105185551A (en) * | 2015-09-22 | 2015-12-23 | 波瑞电气有限公司 | Visible light communication-based transformer |
| CN106018968A (en) * | 2016-05-23 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Grounding resistance detecting and analyzing device of LiFi (Light Fidelity) technology |
| CN106053977A (en) * | 2016-05-23 | 2016-10-26 | 苏州迈奇杰智能技术有限公司 | Visible light communication lifi technology intelligent distribution detection system |
| CN106053948A (en) * | 2016-06-01 | 2016-10-26 | 苏州迈奇杰智能技术有限公司 | Resistance detection and analysis system with visible light communication automatic alarming function |
| CN110736949A (en) * | 2019-10-16 | 2020-01-31 | 桂林市华谊智测科技有限责任公司 | digital multimeter calibration method and related device |
-
2013
- 2013-12-25 CN CN201320865220.1U patent/CN203658499U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675555A (en) * | 2013-12-25 | 2014-03-26 | 国家电网公司 | Power parameter measuring device based on visible light communication |
| CN105185551A (en) * | 2015-09-22 | 2015-12-23 | 波瑞电气有限公司 | Visible light communication-based transformer |
| CN106018968A (en) * | 2016-05-23 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Grounding resistance detecting and analyzing device of LiFi (Light Fidelity) technology |
| CN106053977A (en) * | 2016-05-23 | 2016-10-26 | 苏州迈奇杰智能技术有限公司 | Visible light communication lifi technology intelligent distribution detection system |
| CN106053948A (en) * | 2016-06-01 | 2016-10-26 | 苏州迈奇杰智能技术有限公司 | Resistance detection and analysis system with visible light communication automatic alarming function |
| CN110736949A (en) * | 2019-10-16 | 2020-01-31 | 桂林市华谊智测科技有限责任公司 | digital multimeter calibration method and related device |
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