CN106053977A - Visible light communication lifi technology intelligent distribution detection system - Google Patents
Visible light communication lifi technology intelligent distribution detection system Download PDFInfo
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- CN106053977A CN106053977A CN201610343014.2A CN201610343014A CN106053977A CN 106053977 A CN106053977 A CN 106053977A CN 201610343014 A CN201610343014 A CN 201610343014A CN 106053977 A CN106053977 A CN 106053977A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention discloses a visible light communication lifi technology intelligent distribution detection system, comprising a logic circuit processor, a single-chip microcomputer, a memory, etc. The system utilizes the hardware data processing circuit constructed in the logic circuit processor which has a high speed hardware parallel algorithm and high work frequency to perform loading processing on different detection data, and employs an embedded chip circuit to perform micro-control treatment to complete detection of all kinds of data to be detected in a distribution transformer; according to the application of a touch screen, parameters to be detected can be directly set, instructions can be given, and a mouse button set does not need to be carried, thereby reducing user physical power expenditure; in addition, the touch screen technology allows a whole intelligent detection system to be smaller, and to possess the advantages of low cost, stable operation, etc.
Description
Technical field
The present invention relates to detection technique field, specifically, be the intelligent power distribution inspection of a kind of visible light communication lifi technology
Examining system.
Background technology
Set up large-scale power system rational in infrastructure be not only convenient for electrical energy production and the centralized management of consumption, United Dispatching and
Distribution, reduces total installation of generating capacity, saves power facility investment, and the rational exploitation and utilization of beneficially community energy resource, more greatly
Meet to limit the electricity consumption needs that area national economy is growing.Power system construction is often national and regional national economy
The important component part of development plan.
The appearance of power system, uses efficient, pollution-free, easy to use, to be prone to regulation and control electric energy to be used widely, pushes away
Move the change of social production every field, started the electric power epoch, there occurs the second technical revolution.The scale of power system
One of mark having become a national economic development level with technical level.
Along with making rapid progress of science and technology, mankind's progress to civilized life demand, the demand to electric energy is brought more to come
The highest, the equipment to power system that also brings has a higher requirement, thus the function of electric power system power distribution transformator and detection
Equipment is paid close attention to by each side.Visible light communication technology, is the naked eyes utilizing fluorescent lamp or light emitting diode etc. to send
The high speed light and shade flash signal can't see is to transmit information, and spread speed is fast, early warning is sharp.Utilize that this technology makes is
System can cover the most in good time, energy-conservation, the early warning, controlling system that indoor light reaches, it is not necessary to electric wire connects, thus has wide
General DEVELOPMENT PROSPECT.
Summary of the invention
It is an object of the invention to design the intelligent power distribution detecting system of a kind of visible light communication lifi technology, use big
Design that type programmable logic technology combines with embedded microprocessing and the intelligent checking system that designs, utilize tool
The hardware data having the logic circuit processor internal build of high-speed hardware parallel algorithm and high workload frequency processes circuit to respectively
Plant detection data and carry out loading processing, and use embedded chip circuit to do microcontroller process, complete the various of distribution transformer
The detection of data to be tested；Whole intelligent checking system can be made to draw close to Miniaturization Design, it is simple to carry, whole Intelligent Measurement
Terminal has the advantages such as with low cost, stable, processing speed is quick.
The present invention is achieved through the following technical solutions:
The intelligent power distribution detecting system of a kind of visible light communication lifi technology, including logic circuit processor, single-chip microcomputer, storage
Device, serial port drive circuit, power circuit, calendar chip, switch driving circuit, CAN circuit, user side, smart mobile phone,
Pc computer or panel computer;Bridgt circuit, is used for connecting user side USB interface and light transmission circuit, accepts or launches from calculating
Machine usb data signal carries out the signal of conversion process；Optical sender, compiles the signal processed through usb circuit
Code modulation, modulated signal sends to modulated light source again after amplifying；Photoreceiver, is sent transmitting terminal by optical antenna
The light pulse signal come converges to photoelectric detector PIN, and the optical signal of reception is converted into telecommunications;Described logic circuit processes
Device connects single-chip microcomputer, and described memorizer connects logic circuit processor, and described smooth transmission circuit connects logic circuit respectively and processes
Device and single-chip microcomputer, described power circuit connects logic circuit processor, single-chip microcomputer and light transmission circuit, described serial port drive respectively
Circuit connects logic circuit processor, and described logic circuit processor connects calendar chip, and described switch driving circuit connects patrols
Collecting circuit processor, described CAN circuit connects logic circuit processor.
Further, to better implement the present invention, can effectively utilize regenerative resource, reduce the damage of non-renewable energy resources
Consumption, is specifically arranged to following structure: described power circuit includes solar panel, controller and power supply circuits, the described sun
Can connect controller by cell panel, described power supply circuits connect controller, logic circuit processor, single-chip microcomputer and light transmitting-receiving electricity respectively
Road.
To better implement the present invention, further, it is possible to the plentiful electricity making solar energy be sent out is stored, it is simple to night
Or the inadequate weather of intensity of sunshine still can carry out proper testing, it particularly is provided with following structure: also set in described power circuit
Being equipped with accumulator, described accumulator connects controller.
To better implement the present invention, further, the carrying out of memorizer efficient, flexible can be made to store, arrange following especially
Structure: being provided with FLASH memory and random access memory in described memorizer, described FLASH memory and random access memory are all
Connect logic circuit processor.
Further, to better implement the present invention, following set-up mode is used especially: described random access memory uses quiet
State random access memory and/or dynamic RAM.
Further, to better implement the present invention, the embedded processing technology of maturation can be effectively utilized to carry out whole
The framework of terminal unit, uses following set-up mode: described single-chip microcomputer uses TMS470MF04207 especially.
Further, to better implement the present invention, the large-scale logic programmable technology of maturation can be effectively utilized to carry out
The framework of whole terminal unit, uses following set-up mode: the process chip of described logic circuit processor uses MAX especially
10 FPGA。
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention uses design that large-scale programmable logic technology combines with embedded microprocessing to design
Intelligent checking system, utilization has the hard of the logic circuit processor internal build of high-speed hardware parallel algorithm and high workload frequency
Part data processing circuit carries out loading processing to various detection data, and uses embedded chip circuit to do microcontroller process, complete
Become the detection of the various data to be tested of distribution transformer；Energy-saving and environmental protection, reaction acumen；Realize point-to-point between computer
Double-direction radio optic communication, it is ensured that the job stability of circuit；Even if during high voltage output, voltage drift phenomenon occurs, as long as signal
Remaining in that balance, the cross interference that this circuit causes is the most relatively small；For there is the prime electricity of easy generation parasitism
In the case of road, in view of this circuit common-mode gain is relatively low, so the probability that it introduces unwanted oscillation to prime is the least；.
(2) logic circuit processor of the present invention can efficiently accomplish address latch, data/address bus drives, control signal is total
Line drives and the function such as logic level transition, chip selection signal generation.
(3) present invention uses CAN communication technology, completes the transmission of teledata, in case each in center, backstage or region
Plant the data transmission of equipment to be detected.
(4) present invention can complete the various Function detection of distribution transformer, to making distribution transformer be chronically at
Stable duty.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment 1:
The intelligent power distribution detecting system of a kind of visible light communication lifi technology, including logic circuit processor, single-chip microcomputer, storage
Device, serial port drive circuit, power circuit, calendar chip, switch driving circuit, CAN circuit, user side, smart mobile phone,
Pc computer or panel computer;Bridgt circuit, is used for connecting user side USB interface and light transmission circuit, accepts or launches from calculating
Machine usb data signal carries out the signal of conversion process；Optical sender, compiles the signal processed through usb circuit
Code modulation, modulated signal sends to modulated light source again after amplifying；Photoreceiver, is sent transmitting terminal by optical antenna
The light pulse signal come converges to photoelectric detector PIN, and the optical signal of reception is converted into telecommunications;Described logic circuit processes
Device connects single-chip microcomputer, and described memorizer connects logic circuit processor, and described smooth transmission circuit connects logic circuit respectively and processes
Device and single-chip microcomputer, described power circuit connects logic circuit processor, single-chip microcomputer and light transmission circuit, described serial port drive respectively
Circuit connects logic circuit processor, and described logic circuit processor connects calendar chip, and described switch driving circuit connects patrols
Collecting circuit processor, described CAN circuit connects logic circuit processor.
Wherein, single-chip microcomputer mainly carries control centre and the arithmetic of data, the task of logical operations；Logic circuit processes
Device mainly completes: the driving of address latch, data/address bus, control signal bus driver and logic level transition, chip selection signal occur
Etc. function；Serial port drive circuit completes serial ports level TTL to RS232 translation function；Memory combination logic circuit processor is complete
Become data interaction storage function etc., and carry out data backup storage；When calendar chip can be automatically performed date according to setting
The calculating of part second, it is possible to realizing alarm clock, it mainly enables intelligent checking system timing acquiring data；CAN circuit is complete
Become the transmission of teledata, in case the data transmission of the equipment various to be detected in center, backstage or region；Switch driving circuit,
Mainly it is supplied to various Switching Power Supply, the voltage of AC/DC motor governing system and electric current.
User can pass through when needs carry out parameter setting or instruction issuing
Use the design that large-scale programmable logic technology combines with embedded microprocessing and the Intelligent Measurement designed
System, utilizes and has at the hardware data of logic circuit processor internal build of high-speed hardware parallel algorithm and high workload frequency
Reason circuit carries out loading processing to various detection data, and uses embedded chip circuit to do microcontroller process, completes distribution and becomes
The detection of the various data to be tested of depressor.
Embodiment 2:
The present embodiment is to optimize further on the basis of above-described embodiment, further, to better implement the present invention, can have
Effect utilizes regenerative resource, reduces the loss of non-renewable energy resources, is specifically arranged to following structure: described power circuit includes
Solar panel, controller and power supply circuits, described solar panel connects controller, and described power supply circuits connect respectively
Controller, logic circuit processor, single-chip microcomputer and light transmission circuit, described power circuit uses solar energy to be powered, the sun
Can cell panel convert the solar into the mu balanced circuit voltage stabilizing in electric energy via controller be logic circuit processor, single-chip microcomputer and
Running voltage required for light transmission circuit also supplies electricity to logic circuit processor, single-chip microcomputer and light transmitting-receiving electricity through power supply circuits
Road so that it is normally work.
Embodiment 3:
The present embodiment is to optimize further on the basis of above-described embodiment, to better implement the present invention, further, it is possible to
The plentiful electricity making solar energy be sent out is stored, it is simple to night or the inadequate weather of intensity of sunshine still can carry out proper testing,
Particularly being provided with following structure: be additionally provided with accumulator in described power circuit, described accumulator connects controller, and accumulator will
Rich electric energy storage, when needing the electric energy in use accumulator, accumulator carries out discharging and in via controller for accumulator
The designated lane releasing electricity carries out releasing electricity and voltage stabilizing, is that logic circuit processor, single-chip microcomputer and light transmission circuit are caned through voltage stabilizing
Logic circuit processor, single-chip microcomputer and light transmission circuit is supplied, in case it is in the inadequate sky of intensity of illumination after the magnitude of voltage used
Gas or can work in night.
Embodiment 4:
The present embodiment is to optimize further on the basis of embodiment 1, to better implement the present invention, further, can make to deposit
The carrying out of reservoir efficient, flexible stores, and arranges following structure especially: be provided with FLASH memory in described memorizer with random
Memorizer, described FLASH memory and random access memory all connect logic circuit processor, and the FLASH memory extended out uses
SPR4096A, is mainly used to store backup data information needed for intelligent acquisition equipment.SPR4096A FLASH has the feature that
The memory space of 512K × 8；The SRAM of embedded 4K × 8；Outer CPU can be come by serial line interface or 8 parallel-by-bit interfaces
Access Flash/SRAM；The voltage range of I/O interface is 2.25～3.6 V, and supports the battery saving mode of stand by.Can be big
The big cost reducing system.In use, in data handling procedure, logic circuit processor combines random access memory and FLASH
Memorizer can efficiently accomplish data exchange, to reach good data process effects.
Embodiment 5:
The present embodiment is to optimize further on the basis of above-described embodiment, further, to better implement the present invention, especially
Use following set-up mode: described random access memory uses SRAM and/or dynamic RAM, static storage
The feature of device (SRAM) is that operating rate is fast, as long as power supply is not removed, the information of write SRAM would not disappear, it is not necessary to refreshes
Circuit, does not destroy, when reading, the information originally deposited simultaneously, can repeatedly read once write, but integrated level is relatively low, and power consumption is relatively
Greatly, make cache memory (Cache) in the present invention to use.DRAM is dynamic RAM (Dynamic Random
Access Memory), it be the grid utilizing field effect transistor to the distribution capacity between its substrate to preserve information, to store electricity
The number of lotus, i.e. the height of capacitance terminal voltage represents " 1 " and " 0 ", uses as main storage in the present invention.
Embodiment 6:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further, to better implement the present invention,
The embedded processing technology that can effectively utilize maturation carries out the framework of whole terminal unit, especially the following set-up mode of employing:
Described single-chip microcomputer uses TMS470MF04207.
TMS470MF04207 is a to include 32 RISCCPU kernels, has the program internal memory of up to 448K byte, tool
There are the 64K byte flash memory (for obtaining the extra program space or carrying out EEPROM emulation) of (SECDED ECC), up to 24K word
The static RAM (SRAM) of joint, band real-time interrupt intervalometer (RTI), vector interrupt module (VIM), hardware internal self-test
(BIST) checker, for SRAM (MBIST) and CPU (LBIST), 64 cyclic redundancy checker (CRC), based on frequency modulation zero
The clock module (band prescalar) of pin phaselocked loop (FMzPLL), Buffered Serial Peripheral Interface more than two (MibSPI),
Two have the UART (SCI) of local interconnection network interface (LIN), two CAN controller (DCAN), high-end intervalometers
(HET), external clock prescale unit (ECP) module, 16 passages buffer ADC (MibADC), mistake signalling module more 10
(ESM), 4 special general purpose I/O (GIO) pins and the ARM process of 45 additional peripheral devices I/O (100 pin package)
Device, it is possible to process efficient, quick, accurate, large-scale and the information of obtaining, and support communication protocol transmission data.
TMS470MF04207 internal memory includes general SRAM, can support byte mode, half word pattern and the single-revolution of word pattern
Phase read/write accesses.Can utilize ECC that the SRAM on TMS470M device is protected by.This characteristic uses single mistake to entangle
Just and double false retrieval slowdown monitoring circuits (SECDED circuit) are detecting and optionally correcting unit mistake and to detect all of dibit wrong
By mistake with some multi-bit error.This is 8 ECC check and the/code of each 64 double words by being used for memory headroom by one
It is saved in a single ECC RAM memory headroom realization.
Flash memory on this device is a kind of non-volatile, electrically erasable and programmable memory.It is to use one 144
The data word (128, without ECC) of bit wide and the flash memory module interface of 64 bit wides realize.This flash memory is up to 28MHz's
Run under the conditions of system clock frequency.The pipeline mode that can provide the linear pre-read of flash data achieves one up to
The system clock of 80MHz.
Enhancement mode real-time interrupt (RTI) module on TMS470MF04207 device is optional is driven by oscillator clock
Dynamic.Security device (DWD) is the resetted down counter of 25, when safety device enumerator terminates counting,
This enumerator will provide system reset.
TMS470MF04207 device has 6 communication interfaces: two LIN/SCI, two DCAN and two MibSPI.LIN
It is local interconnection network standard, but also supports a kind of SCI pattern.SCI can be used in one for CPU and other employing standards
In the full duplex of the asynchronous communication between non-return-to-reference (NRZ) form peripheral hardware, serial i/O interface.A kind of serial of DCAN employing,
Multi-host communication agreement, this agreement can efficiently support distributed real-time control and the robust communications of up to 1 Gigabits per second (Mbps)
Speed.DCAN is very suitable for working in noisy and in harsh and unforgiving environments application (such as: automobile and industrial circle), this type of application
Need reliable serial communication or multiplexed line.MibSPI is that the high speed between similar shift register type device is led to
Letter provides one serial exchange method easily.MibSPI provide SOMI, SIMO and SPI clock interface of standard with
And up to 8 line of chip select roads.
HET is the Intelligent timer of a kind of advanced person, can be that application in real time provides accurate timing function.This intervalometer is soft
Part control type, uses a reduced instruction set computer, and has a special micromachine intervalometer and an I/O end connected
Mouthful.This HET can be used for comparing, capturing or universal I/O.It is particularly suitable for those needs with complicated with accurately
The multiple sensors information of time pulse and the application of driving driver.The HET peripheral hardware of TMS470MF04207 comprises " XOR
(XOR) share " function.This function allows two adjacent HET high resolution channel are carried out nonequivalence operation, such that it is able to
Export a pulse less than standard HET.
TMS470MF04207 device has the sampling of 10 bit resolutions and keeps MibADC.Available software is to often
Individual MibADC passage is grouped, for order conversion sequence.There are three single packets, outside they all can be by one
Portion's event triggers.Each sequence can perform when being triggered once to change, or by configuring to perform continuous translative mode.
Frequency modulation zero pin phaselocked loop (FMzPLL) clock module comprise a phaselocked loop, clock Monitor circuit, one
Individual clock enable circuit and a prescalar.The function of FMzPLL is to a higher frequency by foreign frequency benchmark frequency multiplication
Rate, uses for inside.FMzPLL provides the input of global clock module (GCM).GCM module is then to every other
TMS470MF04207 device blocks provide system clock (HCLK), real-time interrupt clock (RTICLK), cpu clock (GCLK),
HET clock (VCLK2), DCAN clock (AVCLK1) and Peripheral Interface clock (VCLK).
It addition, TMS470MF04207 device also has two external clock prescalar (ECP) modules, this module exists
A continuous external clock (ECLK) will be exported when being activated.ECLK1 frequency is of Peripheral Interface clock (VCLK) frequency
User-programmable ratio.Second ECLK output can be selected to replace HET15 output.It shares same information source with ECLK1
Clock, but can be independently arranged for an independent output frequency being produced from ECLK1.
Mistake signalling module (ESM) provides a common location for error reporting at device inside, thus realizes
Efficient error checking and identification.
Embodiment 7:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further, to better implement the present invention,
The large-scale logic programmable technology that can effectively utilize maturation carries out the framework of whole terminal unit, uses the following side of setting especially
Formula: the process chip of described logic circuit processor uses MAX 10 FPGA.
MAX 10 FPGA of Altera achieves elder generation in low cost, single-chip little outline packages PLD
The process function entered, is revolutionary non-volatile integrated device.Inherit the single-chip characteristic of prior-generation MAX train,
Using monokaryon or double-core power voltage supply, its density range is between 2K to 50KLE.
MAX 10 FPGA uses the 55nm embedded NOR flash memory technology of TSMC to manufacture, and supports momentary connection function.Its collection
Become function to include analog-digital converter (ADC) and double configuration flash memory, support that you store two mirror images on a single die, between mirror image
Switching at runtime.Different from CPLD, MAX 10 FPGA also includes global function FPGA characteristic, such as, the embedded place of the soft core of Nios II
Reason device, Digital Signal Processing (DSP) module and soft core DDR3 storage control etc..
Have the property that
Double configuration flash memories, tube core flash memory supports double configuration, it is achieved the real fail safe of thousands of reprogrammings updates.
Analog module, integrated simulation module and ADC and temperature sensor, ranking function of sampling the most flexibly, shortens
Time delay, reduces board area.
Momentary connection, MAX 10 FPGA is first device started working on system circuit board, controls high density
The startup of other assemblies such as FPGA, ASIC, ASSP and processor.
Nios II soft core flush bonding processor, MAX 10 FPGA supports Altera soft core Nios II flush bonding processor
Integrated, provide single-chip, fully configurable momentary connection processor subsystem for embedded development personnel.
DSP module, is especially suitable for using integrated as the non-volatile FPGA with DSP of first item, MAX 10 FPGA
The high-performance of 18x18 multiplier, high-precision applications.
DDR3 external memory interface, MAX10 FPGA by soft core IP storage control support DDR3 SDRAM and
LPDDR2 interface, is suitable for video, data path and Embedded Application.
User's flash memory, has 736KB tube core user's flash code storage function, and MAX 10 FPGA supports advanced single
Sheet Nios II Embedded Application.
The present invention uses design that large-scale programmable logic technology combines with embedded microprocessing to design
Intelligent checking system, utilize the logic circuit processor internal build with high-speed hardware parallel algorithm and high workload frequency
Hardware data processes circuit and various detection data carries out loading processing, and uses embedded chip circuit to do microcontroller process,
Complete the detection of the various data to be tested of distribution transformer；Due to the application of touch screen, required detection parameter can be carried out directly
Connect setting and instruction issuing, thus Mus key set can be carried, reduce the muscle power expenditure of user, and owing to using touch screen
Technology, can make whole intelligent checking system draw close to Miniaturization Design, it is simple to carry, and whole Intelligent Measurement terminal has cost
The advantages such as cheap, stable, processing speed is quick.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. the intelligent power distribution detecting system of a visible light communication lifi technology, it is characterised in that: include logic circuit processor,
Single-chip microcomputer, memorizer, serial port drive circuit, power circuit, calendar chip, switch driving circuit, CAN circuit, user side,
Smart mobile phone, Pc computer or panel computer;Bridgt circuit, is used for connecting user side USB interface and light transmission circuit, accepts or sends out
Penetrate the signal carrying out conversion process from computer usb data signal；Optical sender, the letter that will process through usb circuit
Number carrying out coded modulation, modulated signal sends to modulated light source again after amplifying；Photoreceiver, by optical antenna sending out
Sending end sends the light pulse signal come and converges to photoelectric detector PIN, and the optical signal of reception is converted into telecommunications;Described logic
Circuit processor connects single-chip microcomputer, and described memorizer connects logic circuit processor, and described smooth transmission circuit connects logic respectively
Circuit processor and single-chip microcomputer, described power circuit connects logic circuit processor, single-chip microcomputer and light transmission circuit respectively, described
Serial port drive circuit connects logic circuit processor, and described logic circuit processor connects calendar chip, described switch drive electricity
Road connects logic circuit processor, and described CAN circuit connects logic circuit processor.
The intelligent power distribution detecting system of a kind of visible light communication lifi technology the most according to claim 1, it is characterised in that:
Described power circuit includes solar panel, controller and power supply circuits, and described solar panel connects controller, described
Power supply circuits connect controller, logic circuit processor, single-chip microcomputer and light transmission circuit respectively.
The intelligent power distribution detecting system of a kind of visible light communication lifi technology the most according to claim 2, it is characterised in that:
Being additionally provided with accumulator in described power circuit, described accumulator connects controller.
The intelligent power distribution detecting system of a kind of visible light communication lifi technology the most according to claim 1, it is characterised in that:
Being provided with FLASH memory and random access memory in described memorizer, described FLASH memory and random access memory all connect patrols
Collect circuit processor.
The intelligent power distribution detecting system of a kind of visible light communication lifi technology the most according to claim 4, it is characterised in that:
Described random access memory uses SRAM and/or dynamic RAM.
The intelligent power distribution detecting system of a kind of visible light communication lifi technology the most according to claim 1 and 2, its feature exists
In: described single-chip microcomputer uses TMS470MF04207.
7., according to the intelligent power distribution detecting system of a kind of visible light communication lifi technology described in claim 1 or 2 or 4, it is special
Levy and be: the process chip of described logic circuit processor uses MAX 10 FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343014.2A CN106053977A (en) | 2016-05-23 | 2016-05-23 | Visible light communication lifi technology intelligent distribution detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343014.2A CN106053977A (en) | 2016-05-23 | 2016-05-23 | Visible light communication lifi technology intelligent distribution detection system |
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| CN106053977A true CN106053977A (en) | 2016-10-26 |
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| CN201610343014.2A Pending CN106053977A (en) | 2016-05-23 | 2016-05-23 | Visible light communication lifi technology intelligent distribution detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614183A (en) * | 2018-05-29 | 2018-10-02 | 国网黑龙江省电力有限公司绥化供电公司 | Using the distribution transformer intelligent checking system of microcontroller |
| 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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| CN2175409Y (en) * | 1993-11-22 | 1994-08-24 | 中国科学院声学研究所 | Photo code converting and transfering device |
| CN203658499U (en) * | 2013-12-25 | 2014-06-18 | 国家电网公司 | Visible light communication-based electric parameter measuring device |
| CN105529829A (en) * | 2015-12-31 | 2016-04-27 | 刘雷 | Distribution transformer intelligent detection system based on wireless transmission technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2175409Y (en) * | 1993-11-22 | 1994-08-24 | 中国科学院声学研究所 | Photo code converting and transfering device |
| CN203658499U (en) * | 2013-12-25 | 2014-06-18 | 国家电网公司 | Visible light communication-based electric parameter measuring device |
| CN105529829A (en) * | 2015-12-31 | 2016-04-27 | 刘雷 | Distribution transformer intelligent detection system based on wireless transmission technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614183A (en) * | 2018-05-29 | 2018-10-02 | 国网黑龙江省电力有限公司绥化供电公司 | Using the distribution transformer intelligent checking system of microcontroller |
| 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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