CN108288441A - A kind of city lighting engineering control system for simulating SD card read-write system and its application - Google Patents
A kind of city lighting engineering control system for simulating SD card read-write system and its application Download PDFInfo
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- CN108288441A CN108288441A CN201810221633.3A CN201810221633A CN108288441A CN 108288441 A CN108288441 A CN 108288441A CN 201810221633 A CN201810221633 A CN 201810221633A CN 108288441 A CN108288441 A CN 108288441A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
- G06K7/0052—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers connectors capable of contacting cards of different formats, e.g. memory stick and SD card readers sharing at least one connector contact and the associated signal line, e.g. both using the same signal line for input or output of data
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
The present invention provides a kind of city lighting engineering control system for simulating SD card read-write system and its application, and the read-write system of the simulation SD includes：SD card shell has several to patch pin matching SD card slot for being plugged on inside the SD card slot of slave computer on SD card shell；Data harness, contains several data lines, one end of several data lines respectively with patch pin on SD card shell and be electrically connected, the other end of several data lines is connected to the I/O mouths of intelligent receiver；Intelligent receiver, the animation information downloaded from high in the clouds or centralized control end is stored in included SD card or flash storage or solid state disk, by receiving long-range play instruction, corresponding data can be sent to slave computer by data line and SD card shell, realize and play by intelligent receiver；It updates the data very convenient, is not necessarily to human hand working at height, saves human resources, reduce the probability of safety accident, realizes intelligent control.
Description
Technical field
The present invention relates to a kind of simulation SD card read-write system and its city lighting engineering control systems of application.
Background technology
Urban landscape lighting engineering refers to carrying out illumination brightening for building sight spot, passes through artificial design and wound
Make, it allowed to seem more there is artistic feeling under light effect, alternatively more added with aesthetic feeling, allow common night diffuse it is different
Cultural spirit.Important public building, historic site in city, commercial building, square sculpture, park, some moulding are special
Terrestrial reference (LANDMARK), means of transportation such as road, bridge etc., can all be beautified using light at night, make urban night
Scape has different meteorologies in addition to the external enwergy of the neon light of signboard.By making rational planning for entire city, landmark
It highlights, road network brightening, the profile in a city can be allowed to cover all at one glance to night, fully demonstrating each city has
Oneself unique cultural spirit.
G20 summits home court brightening --- Hangzhou Qianjiang New city core theme light engineering becomes 2015 Hangzhou Qianjiangs
First, second and third phase of New city core theme light LED Landscape Lightings product and control system provider, depict a width " Qianjiang
The bright long paper of nocturne ".Scope of project is from east orientation west, and from the east of Qing Chunlu, west to Qing Jianglu, 3.5 kilometers of overall length, whole light show is total
Duration is 15 minutes, with " city water shadow " for design motif, is divided into " soul in city ", " spirit of water ", " shadow of light " three
Chapter.Entire project is altogether using love Klatt LED point light source more than 360,000, and wall lamp, Projecting Lamp more than 5800 cover, transparent light guide lamp
More than 8200 cover.The building of project includes：T-type Urban Balcony, Hangzhou International Conference Centre, Hangzhou Grand Opera Hall, citizen center and
Qianjiang new city CBD commercial affairs region groups of building.The wireless interconnected intelligence of large size city cluster light 4G of 35 building nodes of entire project
Energy lamp light control system, entire lighting engineering give the feeling that the world find everything fresh and new.
Current city lighting engineering is that installation can form specific pattern or text on every building either bridge
Several LED lamps of word, and several independent several lamp controllers of these LED lamps control, each lamp controller band
There are SD card read-write equipment i.e. slave computer, slave computer to store data to form specific image on skin to light by read-write
Either the lamp controller with SD card read-write equipment, that is, slave computer is all mounted on high-altitude or bridge bottom, geographical position to word at present
It sets more dispersed, when specific image or word on the skin for needing to change display, needs to download to SD card again
Data, use is very inconvenient, the low taking-up SD card since it is desired that staff climbs, and then updates the data inside SD card,
SD card is inserted back into SD card read-write equipment i.e. slave computer again, if as soon as city has hundreds of buildings, that workload non-
Chang great, and there are the security risk of high-altitude application is higher by staff.In addition, being played and pause, monitoring number to the control of SD card
It is also not implemented according to remote controls such as outputs, intelligence degree is low.
Certainly we are contemplated that is solved these problems using network technology, but the city of the existing completion spread out
How lighting engineering with a kind of scheme of easy low cost solves the problems, such as this, is that applicant is seeking to.
Invention content
It is an object of the invention to provide a kind of simulation SD card read-write system and its city lighting engineering control systems of application, use
It is all mounted on high-altitude or bridge bottom, ground to solve the SD card read-write equipment i.e. lamp controller of slave computer in the prior art that carries
It is more dispersed to manage position, does not utilize and updates the data the problem of updating the data heavy workload with staff.
The further object of the present invention provides a kind of city lighting Engineering Control for simulating SD card read-write system and its application
System realizes the intelligentized control to SD card read-write equipment.
The technical proposal of the invention is realized in this way：
SD card read-write system, including SD card shell are simulated, for being plugged on inside the SD card slot of slave computer, SD card shell
On have several patch pin matching SD card slot；Data harness, including several data lines, one end point of several data lines
Not with patch pin on SD card shell and be electrically connected, the other end of several data lines is connected to the I/O mouths of intelligent receiver；Intelligence
The animation information downloaded from high in the clouds or centralized control end is stored in included SD card or Flash or solid state disk by receiver,
By receiving long-range play instruction, corresponding data can be sent to by intelligent receiver by data line and SD card shells
Slave computer is realized and is played.
Intelligent receiver described above includes microprocessor, network communication module, flash memory or solid state disk
Memory and TF card memory, network communication module for microprocessor and high in the clouds or centralized control end carry out data exchange or
Instruction transmission, microprocessor carry out data exchange or send instructions by data harness and SD card shell with slave computer, and network is logical
News module is wireless network communication module either wired network communication module.
TF card memory described above includes the first TF card and the second TF card, and microprocessor passes through the second electronic switch point
The first TF card and the second TF card are not connected, the first TF card and the second TF card are attached by the first electronic switch with slave computer,
First electronic switch and the second electronic switch are controlled by microprocessor.
There are two control models for microprocessor setting described above to slave computer offer data, the first is that Flash is deposited
Reservoir control model, microprocessor is by SDIO interfaces and slave computer connecting communication, then by the reading data command of slave computer
The reading to the corresponding data block of flash storage is converted to, then microprocessor turns the data read from flash storage
It is changed to SDIO formats and is sent to slave computer；Second is TF card control model, and microprocessor controls work using the first electronic switch
The first TF card output datas made, microprocessor is using the second electronic switch to that block second not under output data state
The data downloaded from high in the clouds are written in TF.
It is above-mentioned under TF card control model, microprocessor utilize the first electronic switch and second the first TF card of electronic switch pair
It takes turns to operate simultaneously with the 2nd TF, when the first TF card is to slave computer output data, the data downloaded from high in the clouds are written in the 2nd TF；
When the data downloaded from high in the clouds are written in the first TF card, when the 2nd TF is to slave computer output data, support TF card output data and from
High in the clouds downloading data is carried out at the same time；Under flash storage control model, microprocessor utilizes flash storage output data
Between time slot the data downloaded from high in the clouds are written, realization output data is carried out at the same time with from high in the clouds downloading data.
Slave computer described above is SD card read-write equipment, and microprocessor utilizes SDIO communication protocols with SD card read-write equipment
View carries out data exchange, and microprocessor realizes the long-range of simulation SD card data by the data that network communication module is downloaded from high in the clouds
Real-time update.
The monitoring that microprocessor described above passes through the output data to flash storage or the output data to TF card
The transmission situation of data can be grasped, and information is fed back into high in the clouds or centralized control end.
Microprocessor described above can be exported according to the pause output order in high in the clouds or centralized control end using pause
Data manipulation, i.e., what the cmd signal or TF card exported flash storage by the control signal of a GPIO mouthfuls of outputs exported
Cmd signal drags down to realize the pause of output by force, cancels the control signal of GPIO mouthfuls of outputs and can restore the output of data.
It is above-mentioned to send instruction output specified file function to microprocessor from high in the clouds or centralized control end, it is deposited in Flash
Under reservoir control model, microprocessor can be read specified file and to slave computer output data；At TF card control model, micro- place
Reason device is defeated to realize by hiding alternative document or the extension name of alternative document being changed to the extension name that slave computer is not supported
Go out the function of specified file.
Above-mentioned microprocessor is also connected with time service receiving module, and time service receiving module is connect with cdma base station, using CDMA bases
It stands time service linkage function, realizes accurate time control.
City lighting engineering control system, include several decorative lamps on several skins of city and
It controls these lamps and lanterns and lights several independent lamp controllers to form certain image or word, each lamp controller band
There are SD card read-write equipment i.e. slave computer, slave computer to store data to form specific image on skin to light by read-write
Or word, it is characterised in that：Any of the above described simulation SD card read-write system of slave computer connection of each lamps and lanterns control.
The present invention has the advantage that compared with prior art：
1) simulation SD card read-write system of the invention, SD card shell, data harness and intelligent receiver, under volume, structure
Simply, it can be easily installed near the lamp controller with SD card read-write equipment, it can be under high in the clouds or centralized control end
The animation information of load is stored in included SD card or Flash or solid state disk, by receiving long-range play instruction, is intelligently connect
Slave computer can be sent to by corresponding data by data line and SD card shell by receiving device, realized and played, update the data very square
Just, it is not necessarily to human hand working at height, saves human resources, reduces the probability of safety accident, realizes intelligent control.
2) intelligent receiver of simulation SD card read-write system of the invention includes microprocessor, network communication module, flash
Memory or solid state disk memory and TF card memory, network communication module is for microprocessor and high in the clouds or centralized control
End carries out data exchange or instruction transmission, and microprocessor carries out data exchange by data harness and SD card shell with slave computer
Or send instructions, network communication module are wireless network communication module either wired network communication modules.It is simple in structure, system
It is easy to make, and manufacturing cost is low, effectively extends the function of slave computer.
3) the TF card memory of simulation SD card read-write system of the invention includes the first TF card and the 2nd TF cards, microprocessor
Device is separately connected the first TF card and the second TF card by the second electronic switch, and the first TF cards and the second TF card pass through the first electronics
Switch is attached with slave computer, and the first electronic switch and the second electronic switch are controlled by microprocessor；Microprocessor utilizes the
One electronic switch and second the first TF card of electronic switch pair and the 2nd TF take turns to operate simultaneously, when the first TF card is exported to slave computer
When data, the data downloaded from high in the clouds are written in the 2nd TF；When the data downloaded from high in the clouds are written in the first TF card, the 2nd TF is downward
When the machine output data of position, TF card output data is supported to be carried out at the same time with from high in the clouds downloading data, powerful, conversion is convenient, TF
Card memory receives the data downloaded from high in the clouds on one side, and another side is to slave computer output data；
4) simulation SD card read-write system of the invention under flash storage control model, microprocessor utilizes Flash
The data downloaded from high in the clouds are written in time slot between memory output data, realize output data and from high in the clouds downloading data
It is carried out at the same time；The pattern coexisted using flash storage and TF card memory, improves flexibility, and the storage of flash storage is held
Measure it is larger, be applicable in receive high in the clouds download larger data.
5) microprocessor of simulation SD card read-write system of the invention is by output data to flash storage or to TF
The monitoring of the output data of card can grasp the transmission situation of data, and information is fed back to high in the clouds or centralized control end, such as
The long-range playing progress rate for understanding video file in real time, whether there is or not situations such as can not playing occur.
6) microprocessor of simulation SD card read-write system of the invention can be defeated according to the pause at high in the clouds or centralized control end
Go out instruction, using pause output data operation, i.e., is exported flash storage by the control signal of a GPIO mouthfuls of outputs
Cmd signal or the cmd signal of TF card output are dragged down by force to realize the pause of output, and the control signal for cancelling GPIO mouthfuls of outputs can
Restore the output of data.Control it is simple to operate, it is easy to implement.
7) simulation SD card read-write system of the invention sends instruction output from high in the clouds or centralized control end to microprocessor
Specified file function, under flash storage control model, microprocessor can be read specified file and export number to slave computer
According to；In TF card control model, microprocessor is by hiding alternative document or the extension name of alternative document being changed to slave computer not
The extension name of support extends the function of original slave computer to realize the function of output specified file.
8) slave computer of city lighting engineering control system of the invention, each lamps and lanterns control connects an any of the above described mould
Remote auto update SD card data may be implemented in quasi- SD card read-write system, easy to operate, save human hand, cost are reduced, without changing
Any structure of original system is mounted directly simulation SD card read-write systems, very easy to use, greatly expands the work(of original system
Can, realize intelligentized operation.
9) city lighting engineering control system of the invention, each microprocessor for simulating SD card read-write system, which is also connected with, to be awarded
When receiving module, time service receiving module is connect with cdma base station, using advanced cdma base station timing function, multiple simulation SD cards
Read-write system synchronism output data, linkage of the microprocessor by time service receiving module for multiple simulation SD card systems provide precisely
Export progress monitoring.
Description of the drawings
Fig. 1 is the structural schematic diagram of simulation SD card read-write system provided by the invention；
Fig. 2 is the structural schematic diagram of the SD card shell of the present invention；
Fig. 3 is the circuit block diagram of the intelligent receiver of the simulation SD card read-write system of the present invention；
Fig. 4 is the structural schematic diagram in the connection high in the clouds of the simulation SD card read-write system of the present invention.
Fig. 5 is the simulation SD card read-write system starting procedure figure of the present invention；
Fig. 6 is that the simulation SD card read-write system of the present invention plays the control flow chart of specified file；
Fig. 7 is that the simulation SD card read-write system of the present invention receives the control flow chart of storage specified file；
Fig. 8 is that the simulation SD card read-write system of the present invention receives multiple simulation SD card system interlinks specified file is played simultaneously
Instruction control flow chart；
Fig. 9 is the block diagram of the embodiment of the present invention two.
Reference numeral：
1- intelligent receiver 2- data harness 3-SD card shell 4- slave computers
31- patches pin 41-SD card slots
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of simulation SD card read-write system of the present invention, including SD card shell 3,
For being plugged on inside the SD card slot 41 of slave computer 4, there are several to patch pin 31 on SD card shell 3 and match SD card slot
41；
Data harness 2, including several data lines, one end of several data lines is drawn with being patched on SD card shell 3 respectively
Foot 31 is electrically connected, and the other end of several data lines is connected to the I/O mouths of intelligent receiver 1；
Intelligent receiver 1, by the animation information downloaded from high in the clouds or centralized control end be stored in included SD card or
In flash storage or solid state disk, by receiving long-range play instruction, intelligent receiver 1 can lead to corresponding data
It crosses data line 2 and SD card shell 3 is sent to slave computer 4, realize and play.
Intelligent receiver 1 include microprocessor, network communication module, flash memory or solid state disk memory and
TF card memory, network communication module carries out data exchange with high in the clouds or centralized control end for microprocessor or instruction passes
It send, microprocessor carries out data exchange or send instructions, network communication module by data harness and SD card shell with slave computer
It is wireless network communication module either wired network communication module.
Data line 2 and SD card shell 3 and slave computer 4 physical connection of the SD card read-write system by 8P are simulated, SD card is simulated,
It is the same with true SD card is read and write for slave computer.
Microprocessor is connected by network communication modules such as network interface and wifi by internet using single-chip microprocessor MCU microprocessor
Connect high in the clouds or centralized control end.Intelligent receiver 1 can be by interfaces such as the ports RS232,485 ports or network interfaces to slave computer
Send the status data for instructing and receiving slave computer.
TF card memory includes the first TF card and the second TF card, and microprocessor is separately connected first by the second electronic switch
TF card and the second TF card, the first TF card and the second TF card are attached by the first electronic switch with slave computer, the first electronic cutting
It closes and the second electronic switch is controlled by microprocessor.
There are two control models for microprocessor setting to slave computer offer data, the first is flash storage control mould
Then formula, microprocessor are converted to the reading data command of slave computer pair by SDIO interfaces and slave computer connecting communication
The reading of the corresponding data block of flash storage, then microprocessor the data read from flash storage are converted into SDIO
Format is sent to slave computer；Second is TF card control model, and microprocessor utilizes the first of the control work of the first electronic switch
TF card output data, microprocessor are written from cloud the 2nd TF of that block not under output data state using the second electronic switch
Hold the data downloaded.
Under TF card control model, microprocessor utilizes the first electronic switch and second the first TF card of electronic switch pair and the
Two TF take turns to operate simultaneously, and when the first TF card is to slave computer output data, the data downloaded from high in the clouds are written in the 2nd TF；When
The data downloaded from high in the clouds are written in first TF card, when the 2nd TF is to slave computer output data, support TF card output data and from cloud
End downloading data is carried out at the same time；Under flash storage control model, microprocessor using flash storage output data it
Between time slot the data downloaded from high in the clouds are written, realization output data is carried out at the same time with from high in the clouds downloading data.
The slave computer is SD card read-write equipment, microprocessor and SD card read-write equipment using SDIO communication protocols into
Row data exchange, microprocessor realize the long-range real-time of simulation SD card data by the data that network communication module is downloaded from high in the clouds
Update.
Microprocessor by output data to flash storage or can grasp number to the monitoring of the output data of TF card
According to transmission situation, and information is fed back into high in the clouds or centralized control end.Such as the long-range broadcasting for understanding video file in real time into
Degree, whether there is or not situations such as can not playing occur.
Microprocessor can be operated according to the pause output order in high in the clouds or centralized control end using pause output data,
The cmd signal of the CMD signals or TF card output that are exported flash storage by the control signal of a GPIO mouthfuls of outputs
It is dragged down by force to realize the pause of output, the output of data can be restored by cancelling the control signal that GPIO mouthfuls export.
Instruction output specified file function is sent to microprocessor from high in the clouds or centralized control end, in flash storage
Under control model, microprocessor can be read specified file and to slave computer output data；In TF card control model, microprocessor
By hiding alternative document or the extension name of alternative document being changed to the extension name that slave computer is not supported to realize that output refers to
Determine the function of file.
As shown in figure 5, being provided with control program module inside microprocessor, by taking TF card mode as an example, software control stream is such as
Under：Including starting up's program module, it is connected with slave computer according to the TF card of the last time setting when booting, microprocessor is defeated
Go out pause and play (dragging down cmd signal) to slave computer, high in the clouds or centralized control end are logged in by network communication module, then waited
Instruction；
When receiving the instruction for playing specified file, being executed by the flow of Fig. 6, it is first determined which TF card file is stored in,
Control the second electronic switch, specified TF card allowed to be connected with single-chip microprocessor MCU, single-chip microprocessor MCU by TF card in addition to specified file
The extension name of file be changed to bak, control the second electronic switch, another TF card allowed to be connected with single-chip microprocessor MCU, it is electric to control first
Sub switch allows specified TF card to be connected with slave computer, and single-chip microprocessor MCU exports play signal (restoring cmd signal)；In playing process
In, receive pause stop play specified file instruction when, only need single-chip microprocessor MCU output pause play signal (drag down CMD
Letter).When receiving the instruction for continuing to play specified file, single-chip microprocessor MCU output play signal (restoring cmd signal) is only needed.
When receiving the instruction for the reception file that high in the clouds is sent out, as shown in fig. 7, single-chip microprocessor MCU is received by network module
The data packet that high in the clouds issues, single-chip microprocessor MCU are decrypted data packet, parse, and single-chip microprocessor MCU assists file data by SDIO
View is written in TF card or flash storage.
When receiving multiple instructions simulated the linkage of SD card read-write systems and specified file is played simultaneously, as shown in Fig. 8, first
It determines which TF card file is stored in, controls the second electronic switch, allow specified TF cards to be connected with single-chip microprocessor MCU, microcontroller
The extension name of file in TF card in addition to specified file is changed to bak by MCU, controls the second electronic switch, allows another TF card
It is connected with single-chip microprocessor MCU, controls the first electronic switch, specified TF card is allowed to be connected with slave computer, single-chip microprocessor MCU output pause is broadcast
Discharge signal (drags down CMD letters), and single-chip microprocessor MCU controls the output of data according to the reproduction time and broadcasting speed of setting.
Embodiment two：
As shown in figure 9, the present invention provides city lighting engineering control systems, including it is mounted on several buildings of city
Several decorative lamps on exterior wall light several independent lamps and lanterns to form certain image or word with these lamps and lanterns are controlled
Controller, each lamp controller carry SD card read-write equipment, that is, slave computer, and slave computer stores data to light shape by read-write
At specific image or word on skin, it is characterised in that：The slave computer of each lamps and lanterns control connects embodiment one
The simulation SD card read-write system.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (11)
1. a kind of simulation SD card read-write system, it is characterised in that：It includes：
SD card shell has several to patch pin matching SD for being plugged on inside the SD card slot of slave computer on SD card shell
Card slot；
Data harness, including several data lines, one end of several data lines respectively with patch pin on SD card shell and be electrically connected
It connects, the other end of several data lines is connected to the I/O mouths of intelligent receiver；
The animation information downloaded from high in the clouds or centralized control end is stored in included SD card or Flash is stored by intelligent receiver
In device or solid state disk, by receiving long-range play instruction, intelligent receiver can by corresponding data by data line and
SD card shell is sent to slave computer, realizes and plays.
2. simulation SD card read-write system according to claim 1, it is characterised in that：Intelligent receiver include microprocessor,
Network communication module, flash memory or solid state disk memory and TF card memory, network communication module are used for microprocessor
Device and high in the clouds or centralized control end carry out data exchange or instruction transmits, microprocessor by data harness and SD card shell with
Slave computer carries out data exchange or send instructions, and network communication module is wireless network communication module either wired network communication
Module.
3. simulation SD card read-write system according to claim 2, it is characterised in that：TF card memory include the first TF card and
Second TF card, microprocessor are separately connected the first TF card and the second TF card, the first TF card and the 2nd TF by the second electronic switch
Card is attached by the first electronic switch with slave computer, and the first electronic switch and the second electronic switch are controlled by microprocessor.
4. simulation SD card read-write system according to claim 3, it is characterised in that：There are two control mould for microprocessor setting
Formula provides data to slave computer, the first is flash storage control model, and microprocessor is connected by SDIO interfaces and slave computer
News are connected, the reading data command of slave computer is then converted into the reading to the corresponding data block of flash storage, it is then micro-
The data read from flash storage are converted to SDIO formats and are sent to slave computer by processor；Second is TF card control mould
Formula, microprocessor control the first TF card output data of work using the first electronic switch, and microprocessor utilizes the second electronic cutting
It closes and the data downloaded from high in the clouds is written to the 2nd TF of that block not under output data state.
5. simulation SD card read-write system according to claim 4, it is characterised in that：Under TF card control model, microprocessor
Device is taken turns to operate simultaneously using the first electronic switch and second the first TF card of electronic switch pair and the 2nd TF, when the first TF card is downward
When the machine output data of position, the data downloaded from high in the clouds are written in the 2nd TF；When the first TF card is written the data downloaded from high in the clouds, second
When TF is to slave computer output data, TF card output data is supported to be carried out at the same time with from high in the clouds downloading data；In flash storage control
Under molding formula, microprocessor utilizes the time slot between flash storage output data that the data downloaded from high in the clouds are written, real
Existing output data is carried out at the same time with from high in the clouds downloading data.
6. simulation SD card read-write system according to claim 1 or 2 or 3 or 4, it is characterised in that：The slave computer is
SD card read-write equipment, microprocessor carry out data exchange with SD card read-write equipment using SDIO communication protocols, and microprocessor passes through
The data that network communication module is downloaded from high in the clouds realize the long-range real-time update of simulation SD card data.
7. simulation SD card read-write system according to claim 6, it is characterised in that：Microprocessor is by storing Flash
The output data of device can grasp the transmission situation of data to the monitoring of the output data of TF card, and information is fed back to high in the clouds
Or centralized control end.
8. simulation SD card read-write system according to claim 7, it is characterised in that：Microprocessor can be according to high in the clouds or collection
The pause output order of middle control terminal that is, will by the control signal of a GPIO mouthfuls of outputs using pause output data operation
The cmd signal of flash storage output or the cmd signal of TF card output are dragged down by force to realize the pause of output, cancel GPIO
The control signal of mouth output can restore the output of data.
9. simulation SD card read-write system according to claim 8, it is characterised in that：From high in the clouds or centralized control end to micro-
Processor sends instruction output specified file function, and under flash storage control model, specified text can be read in microprocessor
Part and to slave computer output data；In TF card control model, microprocessor is by hiding alternative document or by the expansion of alternative document
Exhibition name is changed to the extension name that slave computer is not supported to realize the function of output specified file.
10. simulation SD card read-write system according to claim 6, it is characterised in that：Microprocessor is also connected with time service reception
Module, time service receiving module are connect with cdma base station, using cdma base station time service linkage function, realize accurate time control.
11. city lighting engineering control system, include several decorative lamps on several skins of city and
It controls these lamps and lanterns and lights several independent lamp controllers to form certain image or word, each lamp controller band
There are SD card read-write equipment i.e. slave computer, slave computer to store data to form specific image on skin to light by read-write
Or word, it is characterised in that：Slave computer connection 10 any one of the claims 1 to 10 simulation SD card read-write of each lamps and lanterns control
System.
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| CN201810221633.3A CN108288441A (en) | 2018-03-17 | 2018-03-17 | A kind of city lighting engineering control system for simulating SD card read-write system and its application |
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| CN201810221633.3A CN108288441A (en) | 2018-03-17 | 2018-03-17 | A kind of city lighting engineering control system for simulating SD card read-write system and its application |
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