CN101986764A - Internet of things-based multi-source data connection system - Google Patents
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Abstract
The invention discloses an Internet of things-based multi-source data connection system. The system comprises embedded hardware equipment, embedded software equipment, intermediate service equipment and application equipment which are connected in turn. The Internet of things-based multi-source data connection system can overcome the defects of low geographic distribution adaptability, high networking cost, low Internet of things data transmission reliability, large maintenance workload and the like in the prior art and has the advantages of high geographic distribution adaptability, low networking cost, high Internet of things data transmission reliability and small maintenance workload.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of multi-source data system that plugs into based on Internet of Things.
Background technology
Along with the quick propelling of Chinese Internet of Things information system and the fast development of the communications infrastructure, carrying out of 3G license granting and 3G network construction particularly, domestic telecommunication, industry dedicated communications network scales such as public network operator communication network and traffic, water conservancy, electric power, the energy, finance such as move enlarge day by day.
Type and quantity that thing connection data call connection connects also increase rapidly, for guaranteeing that dissimilar physical datas enters Internet of Things (as environmental system parameters such as wind-force, air quantity, illumination, air quality, temperature, humidity, and the goods information electric power system of Move tool ground locator data, shipping join power supply information, urban water supply data thing connection data message etc.) Internet of Things that carries out in all directions inserts, just must have a kind of standard, general, meet thing and join the common apparatus that data call connection connects.
At present, the detection collection of physical data is to rest on local connecting link mostly, mainly be to be applied to automation control, what up to the present obtain the physical message utilization on wide area network is GPS running fix, main application fields is to the position application of moving vehicle on geography information, as the position application of industries such as taxi, passenger traffic, logistics; But, also rare with respect to the multi-source thing connection data access of Internet of Things data with the universal product of multi-field support, make the data of Internet of Things insert a bottleneck that becomes Internet of things system.
In addition, the construction of Internet of Things network information system, it is the starting point of the another Xiang Xin of present Chinese network field, the Internet is virtual the Internet, and the Internet of Things of current starting is the true the Internet of physical message, and traditional physical message collection and application all are based on local environment and are based on industrial automatic control industry.The development of Internet of Things will drive the develop rapidly in front end sensors industry, network communication industry, every professional application field greatly.The whole industry chain is divided into three grades substantially: bottom sensor production, mid-level network communication, transfer of data, the application and development of topper connection, because the construction of whole Internet of Things also forms by the extensive codes and standards of recognition and acceptance, its information source diversity that the Internet of Things characteristic is determined, lack of standard, be difficult for conformability and do not paid attention to widely.
As seen, in realizing process of the present invention, the inventor finds to exist at least in the prior art defectives such as geographical distribution adaptability is weak, networking cost is high, thing connection data transmission credibility is low and maintenance workload is big.
Summary of the invention
The objective of the invention is to,, propose a kind of multi-source data system that plugs into based on Internet of Things at the problems referred to above, with realize that geographical distribution adaptability is strong, networking cost is low, thing connection data transmission credibility height and the little advantage of maintenance workload.
For achieving the above object, the technical solution used in the present invention is: a kind of multi-source data based on Internet of Things system that plugs into, comprise embedded software equipment, embedded hardware equipment, intermediary service equipment and application apparatus, wherein, described embedded hardware equipment, embedded software equipment, intermediary service equipment are connected successively with application apparatus.
Further, described embedded hardware equipment comprises CPU, Power Management Unit, time watermark superpositing unit, local data stores synchronized unit, cable network unit, radio network unit and the data unit of plugging into, wherein: described Power Management Unit, time watermark superpositing unit, local data stores synchronized unit, cable network unit, radio network unit and the data unit of plugging into is connected with CPU respectively.
Further, described embedded software equipment comprises rm-cell, network preferred cell, instruction process unit, data processing unit, task processing unit and system restoration unit, wherein: described rm-cell, instruction process unit, task processing unit and system restoration unit are connected with CPU respectively; Described network preferred cell is connected with cable network unit and radio network unit; Described data processing unit is connected with the data unit of plugging into.
Further, described intermediary service equipment comprises instruction retransmission unit, data forwarding unit, service authentication unit, protocol translation unit, DEU data encryption unit and message analysis unit, wherein: described instruction retransmission unit, service authentication unit, protocol translation unit and message analysis unit are connected with rm-cell respectively; Described data forwarding unit and DEU data encryption unit are connected with data processing unit respectively.
Further, described application apparatus comprises that A field C/S uses, A field B/S uses, B field C/S uses, B field B/S uses, C field C/S uses and C field B/S uses.
The multi-source data based on Internet of Things of the various embodiments of the present invention system that plugs into, owing to comprise embedded software equipment, embedded hardware equipment, intermediary service equipment and application apparatus, wherein, embedded hardware equipment, embedded software equipment, intermediary service equipment are connected successively with application apparatus; Can realize that refuting of different physical datas connects and local stores synchronized, and help the light access of thing connection data; Geographical distribution adaptability is weak in the prior art, networking cost is high, the thing connection defective that data transmission credibility is low and maintenance workload is big thereby can overcome, to realize that geographical distribution adaptability is strong, networking cost is low, thing joins data transmission credibility height and the little advantage of maintenance workload.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of the system that plugs into according to the multi-source data that the present invention is based on Internet of Things;
Fig. 2 is the structured flowchart of embedded hardware equipment in the system that plugs into according to the multi-source data that the present invention is based on Internet of Things;
Fig. 3 is the structured flowchart of embedded software equipment in the system that plugs into according to the multi-source data that the present invention is based on Internet of Things;
Fig. 4 is the structured flowchart of intermediary service equipment in the system that plugs into according to the multi-source data that the present invention is based on Internet of Things;
Fig. 5 is the structured flowchart of application apparatus in the system that plugs into according to the multi-source data that the present invention is based on Internet of Things;
Fig. 6 is the operation principle schematic diagram of embedded hardware equipment in the system that plugs into according to the multi-source data that the present invention is based on Internet of Things.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, provide a kind of multi-source data system that plugs into based on Internet of Things.As Fig. 1-shown in Figure 6, present embodiment comprises embedded software equipment, embedded hardware equipment, intermediary service equipment and application apparatus, and wherein, embedded hardware equipment, embedded software equipment, intermediary service equipment are connected successively with application apparatus.
Here, embedded hardware equipment and embedded software equipment are combined, can realize to different physical obtain and can superpose gather that time watermark constantly, local hardware data sync storage, data parsing, message generate, network is preferred, transfer of data, acceptance instruction and the reverse hardware device of control.
Further, in the above-described embodiments, above-mentioned embedded hardware equipment comprises CPU, Power Management Unit, time watermark superpositing unit, local data stores synchronized unit, cable network unit, radio network unit and the data unit of plugging into, wherein, Power Management Unit, time watermark superpositing unit, local data stores synchronized unit, cable network unit, radio network unit and the data unit of plugging into is connected with CPU respectively.
Here, the underlying hardware equipment that embedded hardware equipment connects as the Internet of Things data call connection can be realized the basic function that the Internet of Things data insert fast, reliably, solves the bottleneck problem that the Internet of Things data insert.Particularly, embedded hardware equipment work principle as shown in Figure 6, in Fig. 6,16 way switch amount DI00-D15 are connected with CPU through switching value input unit and optical isolator element; 12 tunnel analog quantity AI00-AI11 are connected with CPU through analog input unit and optical isolator element; 8 way switch amount DO00-DO07 are through light isolating switch and the output of switching value output unit; CPU also is connected with the clock unit of plugging into, stores synchronized unit, 2 road RS232,2 road RS485, wireless network and Ethernet.
Wherein, analog quantity is refuted the principle that connects and is specially: built-in reference level generator of 12 accuracy A/D modular converter and sampling hold circuit that MSP430F155 is inner integrated, maximum sampling rate reaches 200Ksps, change-over time is short, can adapt to the variation of input signal, and have very strong antijamming capability, can satisfy the needs of system.Controller is sampled to two signals, and 3,4 passages of corresponding A/D ALT-CH alternate channel are respectively: the output voltage of module and output current.
In the same sampling period, software adopts and regularly interrupts sampling method in order to ensure sampled point.Timing t=T/N break period, wherein t is regularly break period, and N counts for sampling, and the selection of sampling number also will be considered the precision of measurement data and the factor of arithmetic speed, to satisfy the needs of MSP430F5438 operation.
The principle that light isolating switch amount realizes is specially: adopt the digital quantity interface of light isolation technology and MSP430 to realize having the switching value reverse interface that light is isolated.
The time principle of watermark stack is specially: in order to realize the system data timing acquiring and to preserve data by date, expansion a slice real-time clock calendar device DS1302.This device has the I2C bus interface, circuit such as the required battery of built-in real-time clock, crystal oscillator, power management.System can guarantee that clock normally moves during power down.DS1302 need not peripheral cell, can constitute the high accuracy real-time clock and have the data storage circuitry of 256 KB Nonvolatile srams.DS1302 adopts 8 pin DIP encapsulation.The key property of DS1302: year, month, day, week, the time, minute, second the binary-coded decimal I/O; I2C bus interface (comprising real-time clock part and SRAM part); Automatic calendar to 2099 year (comprising automatic scaling function of leap year); Built-in crystal oscillator, to clock alignment, the assurance precision is ± 4 * 10-6 before dispatching from the factory, promptly error is less than 2 min clock year; Low-power consumption, representative value are 1.0 μ A (VDD=3.5 V); Operating voltage is 3.0 V～5.5 V: the square-wave signal output of the output of two-way alarm clock and 1 Hz～32 768 Hz can be set; Fixing interruption output of per minute or selected fixed-frequency can be set interrupt output; Built-in charging circuit and rechargeable battery, electric power management circuit and voltage stabilizing circuit and battery power-fail detection circuit; The Nonvolatile sram of built-in 256 KB, its erasable number of times is 10,000,000,000 times, and does not have inside and write time-delay.
Wherein, the watermark of thing connection data time utilizes DS1302 can realize following function:
⑴ real-time clock calendar: DS1302 can provide high accuracy clock and calendar function, with satisfied embedded system needs, also can provide time and date Presentation Function simultaneously for system with functions such as timing data collection, output control, data preservation and timing alarms;
⑵ data are preserved: utilizing 32 KB, erasable number in the DS1302 sheet is 10,000,000,000 times high-performance NVRAM, need not to consider the erasing and writing life and the reliability of data storage problem of memory.Thereby DS1302 provides solution for the application that those need frequently read and write data;
⑶ regularly export.When system need be minute being that base unit is when regularly exporting (as the fixing multi-channel data acquisition of collection period, data logger system etc.), can be with the INT1ME position set of DS1302 status register, the reset of INT1FE position is interrupted output or INT1ME, INT1FE set simultaneously is chosen as the fixing interruption output of per minute to be chosen as the per minute edge.The method of counter by single-chip microcomputer or interruption times software counting can obtain minute being the random time output of unit.
The realization principle of above-mentioned local synchrodata storage is specially: utilize SPI simultaneous techniques design SD storage, make the speed of storage and the demand that capacity can satisfy thing connection data acquisition storage.
The serial line interface that can adopt the MSP430F5439 chip to carry in the foregoing description carries out the expansion of 1-5 by intelligent serial ports expansion chip sp3538, and a serial line interface is expanded to five extended serial mouths.Transfer of data adopts asynchronous serial communication, can adopt the typical serial communication interface device MAX232ECP of Maxim company to realize transfer of data RS232 communication, uses the SN75176 chip of Texas Instrument to realize the RS485 data communication.
The realization principle of local ethernet interface is specially: utilize SPI synchronous transmission technology and W5100 network chip, constitute local ethernet unit in this project, realize network data transmission.
The realization principle of wireless, packet-switched net is specially: GT900-C packet radio module of employing Huawei and Serial Data Transfer Mode technology realize the radio network unit based on wireless packet.
Above-mentioned embedded software equipment comprises rm-cell, network preferred cell, instruction process unit, data processing unit, task processing unit and system restoration unit, wherein, rm-cell, instruction process unit, task processing unit and system restoration unit are connected with CPU respectively; Described network preferred cell is connected with cable network unit and radio network unit; Data processing unit is connected with the data unit of plugging into.
Here, in embedded software equipment, developing instrument can adopt single-chip microcomputer; MSP430 IAR WORKBENCH C-SPY FLASH C 27 C IAR C ANSI IEEE --25532000MSP430 A/D ,。
Above-mentioned embedded software equipment joins the embedded software that data call connection connects hardware device based on Embedded multi-source thing, is the important component part of hardware operation work, does not have the hardware of embedded software can't move work.This embedded software equipment can comprise following a few partial function:
⑴ resource management: hardware resource such as data call connection are connect management and the use that hardware interface, data insert resources such as hardware chip, time watermark chip, network operation state-detection and selection, hardware configuration information storage;
⑵ instruction process: when embedded system receives the various instructions that the user sends by network after, instruction is resolved, sent control to hardware then and go execution command for example will refute to connect data, control headend equipment etc.;
⑶ task is handled: according to the task that the user sets task is resolved, when satisfying the task executions condition, carry out relevant functional module, the correlation function parts of control hardware are realized task;
⑷ network is preferred: this project is when the design embedded hardware, consider the transmission importance of thing connection data, designed the interconnection network access mode based on wired Ethernet and wireless packet switching network dual mode, in system when operation, can be according to setting the network of selecting current use, can set rank simultaneously, can enable another network when current network is obstructed automatically, can select wireless network during for no local cable network, the thing connection being used more flexibly and extensive;
⑸ data processing: obtaining of various physical parameters all is to convert physical data to the corresponding with it signal of telecommunication by the phy-aware transducer to be obtained by dissimilar interface circuits, voltage signal or level signal enter amplifies and conversion becomes corresponding one group of data through signal after embedded, the data processing module of embedded software be exactly to the data that receive resolve, time watermark stack, data message are synthetic, local data stores synchronized, network data storage, refute with the hardware of realizing thing connection data and connect transmission;
⑹ system restoration: the guarantee part that is embedded system stable operation, this function realizes patrolling and examining embedded each functional unit, when some parts break down or during operation problem, these parts are recovered, the self-repair function that is equivalent to embedded system guarantees the stable operation of embedded system.
Above-mentioned intermediary service equipment comprises instruction retransmission unit, data forwarding unit, service authentication unit, protocol translation unit, DEU data encryption unit and message analysis unit, wherein: instruction retransmission unit, service authentication unit, protocol translation unit and message analysis unit are connected with rm-cell respectively; Data forwarding unit and DEU data encryption unit are connected with data processing unit respectively.
Here, intermediary service equipment is to connect embedded hardware to refute bridge and the tie that connects data realization Long-distance Control and different field user application, in order better to use embedded thing connection data call connection welding system, we have proposed the exploitation of embedded service intermediary service equipment, it is to use a kind of versatility equipment of being developed at the different industries different field that the embedded multi-source thing connection data call connection that should be this project connects equipment, the difference of using to front end hardware to shake hands with mode that data call connection connects also be different, in order to reduce the difficulty of different field application system development, improve development rate, guarantee development quality, design intermediary service equipment, the user need not directly handle hardware and underlying protocol when application system development, directly be connected to obtain to refute and connect data, the realization application with intermediary service equipment.
Above-mentioned application apparatus comprises that A field C/S uses, A field B/S uses, B field C/S uses, B field B/S uses, C field C/S uses and C field B/S uses.
The foregoing description, according to Internet of Things multi-source data is refuted the demand of connecing, by embedded technology with to the data protocol of the resource consolidation of dissimilar physical data transducers research Internet of Things, data combing algorithm, the local data stores synchronized, the innovation of Internet of Things data time watermark aspect, refuting based on Embedded multivariate data of exploitation connects and multi-field support system, can realize that refuting of different physical datas connects and local stores synchronized, it is compound and utilize Ethernet and wireless packet switched network that thing is joined data to be linked into Internet of Things simultaneously the time watermark to be utilized the stacked data computation system to carry out data message, realize that thing connection data easily insert, it is strong that system has geographical distribution adaptability than the market like product, networking cost is low, thing connection data transmission credibility height, characteristics such as the line service amount is few, can be widely used in natural calamity detects, the detection of biological environment, the industries such as detection of Room Power environment, for the Internet of Things data system of different industries supporting.
Compared with prior art, there is following advantage at least in the multi-source data based on Internet of Things of the various embodiments described above system that plugs into:
⑴ in the prior art, the physical data collection of present most of products all is to gather real-time Transmission in real time, if the problem on the transmission mechanism, when data can't be transmitted, the data that collect will be lost, the discontinuous situation of data occurs, the application of Internet of Things is will guarantee data successional, and discontinuous data message is incomplete information.
Various embodiments of the present invention are refuted when connecing embedded hardware at the design multi-source data, consider the continuity of data, have designed the hardware cell of local data stores synchronized.Physical data refute connect after, the message transmission that forms is carried out stores synchronized, do not have the data message of transmission success to carry out mark to network failure simultaneously and handle, after network is normal, do not have the data message of transmission success to transmit and revise transmission to identify in taking-up in storage medium.Finish by the embedded software of embedded stores synchronized unit hardware and embedded type file administrative unit is collaborative, file system is the file of the 16FAT pattern of standard, divide into a moon subdirectory with the year for first order catalogue, establishing foundation in moon subdirectory is the filename of data message storage with the date, every day a file, the data call connection that comprises the same day in each file connects information and Network Transmission sign, and this document can use in other operating systems and open.
⑵ the refuting of Internet of Things information connects and uses and will be the basis if having time, the data message of not free information is nonsensical, for example: only provide a temperature 35 degree, problem is not described, have only the temporal information of having added just to have meaning, the information of collecting location also will be arranged certainly.
Various embodiments of the present invention are refuted when connecing embedded hardware at the design multi-source data, have designed based on Embedded multi-source data time watermark superpositing unit, make to refute each thing connection data that connects and all have and gather time watermark constantly, to guarantee the timeliness type of data; Refute when connecing thing connection data, produce the time data information constantly that connects of refuting by the time chip in the embedded system, utilize the data principle of stacking, the consensus standard of binding data message is added to the time watermark in the thing connection data message, forms the thing connection data that are compounded with the time watermark;
When embedded software equipment is taken over affair at the execution data call connection, send to refute when connecing data action and require to the data docking unit of hardware and also send the request that obtains time data information to time quantum, after finishing data call connection to connect processing, the temporal information that obtains is added to and forms the thing connection data message message of band time watermark in the data message, embedded system has designed time synchronized function between every day and the server in operation task, the accurate type of assurance time, designed the power supply that plate carries the independent time chip simultaneously, even hardware does not have the externally fed embedded hardware too in operation, guarantee the time accuracy of stack;
⑶ the thing connection data data intelligence transmission mode of many networks, multi-protocols guarantees the unimpeded of thing connection transfer of data; After thing connection data are refuted and are connect, transmission has been exactly the key of Internet of Things, when system design, adopted wired ethernet to add the multi-protocols transmission mode of wireless, packet-switched net, adopt embedded transmission priority algorithm, the intelligent decision network state, the preferential thing of selecting that carries out joins transfer of data, and it is unimpeded stable to guarantee that thing connection data call connection connects;
Network is when operation, the state of its operation and the parameter of operation can both be embedded into formula software network management department branch and detect, the Network operation mode that branch of management department configures in advance according to the user is in conjunction with network operation state and operational factor, use to network makes a choice, preferentially select unobstructed network for use, guarantee the unimpeded of thing connection transfer of data, while built-in network administration module, some problems that can find the built-in network hardware components (for example: problems such as network congestion), and carry out selfreparing;
⑷ the device id coding techniques of band ground domain information, consider the huge property of Internet of Things data acquisition region, how to distinguish the equipment and the data that are installed in different regions, it is an important content in the Data Source, the data of only determining positional information just have real value and significance, during we designing apparatus ID, the mode that has adopted the region coding to add sequential coding realizes the device id coding, region coding is 6 to encode for identity card, can be determined to very thin zone, the device number that this is regional is determined in 5 of sequential codings, and the ID of the thing that collects connection data just comprises above-mentioned information, resolves through service and can obtain relevant ground domain information and installation site information.
As seen, the multi-source data based on Internet of Things of the various embodiments described above system that plugs into, by proprietary equipment and technology, the data that the information of multi-source changed into standard are used for thing connection widely the basic data source are provided, adopt exclusive ID coding, time digital watermark really to have vitality, can in the production application of reality, effectively be integrated, analyze, utilize by thing connection data.
Internet of Things application and development field is extremely extensive both at home and abroad at present, its notion has almost contained all trades and professions, its development blueprint is almost closely bound up with everyone, intelligent city, wired home, intelligent transportation, logistics, health care, industrial and agricultural production, meteorology, water conservancy, disaster prediction or the like be until " the wisdom earth " notion that IBM proposed, and we thinkable each big industry nearly all are among them communication, electric power, environmental protection, the energy.The development in following 10 years of Internet of Things may who can't be predicted, and this industry has much also need not to give unnecessary details.The product of production that this project is researched and developed belongs to bottom thing connection data call connection and connects, and with specialization, standardization, the general developing direction that turns to, and can improve the product applicability by the more innovative technologies of continuous research and development, along with the maturation development of each application, its demand can be very huge.
The multi-source data based on Internet of Things of the various embodiments described above system that plugs into, based on for many years to the technology of embedded hardware and embedded software developing, the accumulation of experience, the super low-power consumption high performance chips that adopts Texas Instrument to produce, utilize light isolation technology and analog quantity, digital quantity, the switching value data overlapping connection technology obtains the data of multi-source transducer, and by data processing conversion algorithm, time watermark simultaneously superposes, adopt the ID coded system of original creation, make and refute the sensing data that connects and have more science, consider the importance of data integrity in the system design, utilize the electronics memory technology, accomplishing to refute the local data that connects data lands, in data transmission, adopt the complementary transmission of cable network and wireless network mixed mode, guarantee the unimpeded of transmission channel.
In sum, the multi-source data based on Internet of Things of the various embodiments of the present invention system that plugs into, owing to comprise embedded software equipment, embedded hardware equipment, intermediary service equipment and application apparatus, wherein, embedded hardware equipment, embedded software equipment, intermediary service equipment are connected successively with application apparatus; Can realize that refuting of different physical datas connects and local stores synchronized, and help the light access of thing connection data; Geographical distribution adaptability is weak in the prior art, networking cost is high, the thing connection defective that data transmission credibility is low and maintenance workload is big thereby can overcome, to realize that geographical distribution adaptability is strong, networking cost is low, thing joins data transmission credibility height and the little advantage of maintenance workload.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the multi-source data based on Internet of Things system that plugs into, it is characterized in that, comprise embedded software equipment, embedded hardware equipment, intermediary service equipment and application apparatus, wherein, described embedded hardware equipment, embedded software equipment, intermediary service equipment are connected successively with application apparatus.
2. the multi-source data based on the Internet of Things according to claim 1 system that plugs into, it is characterized in that, described embedded hardware equipment comprises CPU, Power Management Unit, time watermark superpositing unit, local data stores synchronized unit, cable network unit, radio network unit and the data unit of plugging into, wherein:
Described Power Management Unit, time watermark superpositing unit, local data stores synchronized unit, cable network unit, radio network unit and the data unit of plugging into is connected with CPU respectively.
3. the multi-source data based on the Internet of Things according to claim 2 system that plugs into, it is characterized in that, described embedded software equipment comprises rm-cell, network preferred cell, instruction process unit, data processing unit, task processing unit and system restoration unit, wherein:
Described rm-cell, instruction process unit, task processing unit and system restoration unit are connected with CPU respectively; Described network preferred cell is connected with cable network unit and radio network unit; Described data processing unit is connected with the data unit of plugging into.
4. the multi-source data based on the Internet of Things according to claim 3 system that plugs into, it is characterized in that, described intermediary service equipment comprises instruction retransmission unit, data forwarding unit, service authentication unit, protocol translation unit, DEU data encryption unit and message analysis unit, wherein:
Described instruction retransmission unit, service authentication unit, protocol translation unit and message analysis unit are connected with rm-cell respectively; Described data forwarding unit and DEU data encryption unit are connected with data processing unit respectively.
5. the multi-source data based on the Internet of Things according to claim 4 system that plugs into, it is characterized in that described application apparatus comprises that A field C/S uses, A field B/S uses, B field C/S uses, B field B/S uses, C field C/S uses and C field B/S uses.
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| CN111866165A (en) * | 2017-12-06 | 2020-10-30 | 上海麦腾物联网技术有限公司 | Communication system of cross-platform Internet of things embedded equipment |
| CN113946627A (en) * | 2021-10-27 | 2022-01-18 | 北京科杰科技有限公司 | Data accuracy detection early warning system and method under data real-time synchronization scene |
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