CN107561990A - A kind of industrial sensor signal picker and acquisition method based on edge calculations - Google Patents
A kind of industrial sensor signal picker and acquisition method based on edge calculations Download PDFInfo
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Abstract
The invention discloses a kind of industrial sensor signal picker and acquisition method based on edge calculations.The information gathering in whole industrial scene is divided into local message collection, area information collection and global information by equipment and its function to gather.Local message collection is responsible for collecting the sensor information in region by collecting sensor signal device, and the processing such as format conversion, warning output is carried out to it according to the source of collection information and type；Area information, which gathers, is collected the sensor information of administered local message acquisition node by edge calculations platform, the processing such as is compressed, keeps in, uploading to the routine information of acquisition, to fault message progress real-time response processing；Global information collection is realised in that the upload information of edge calculations platform is decompressed and stored by cloud computing platform, and global analysis of the cloud computing platform to industrial production data is realized with this.
Description
Technical field
The present invention relates to technical field of industrial automatic control, more particularly to a kind of industrial sensor letter based on edge calculations
Number collector and acquisition method.
Background technology
With the fast development of information physical emerging system and technology of Internet of things, data turn into influences industrial conversion and liter
An important factor for level.In industrial control system at this stage, the data being detected are only for triggering in control process
The response of a certain event, in addition, existing control facility does not possess forecast analysis to detected data, big yet in commercial Application
The treatment mechanisms such as amount storage.Therefore, it is necessary to come with reference to corresponding collecting sensor signal equipment and jointed with network information technology real
The now extensive collection to industrial production data, storage, analysis etc. is handled.
Industrial control system is made up of polytype control device, sensing equipment and execution equipment, its location layout
Also relative distribution.Wherein, collecting sensor signal number of nodes is numerous, does not also possess data storage and translation function, and this causes
The processing such as collection, analysis, storage for industrial data become difficult.Edge calculations have merged network, calculating, storage, application
Core competence, existing industrial control system can be made up in the defects of collecting sensor signal and processing, while again can be with
Solve Industry Control high real-time requires and probabilistic contradiction of internet QoS.Edge calculations are exactly to make full use of
The embedding assembly ability at thing end, in a distributed manner the mode of information processing realize intelligence and the autonomy at thing end, and with cloud computing knot
Close, by the interactive cooperation in high in the clouds, realize the predictive maintenance, energy efficiency management and overall intelligence of system.
The content of the invention
The shortcomings that it is an object of the invention to overcome above-mentioned prior art and deficiency, there is provided a kind of work based on edge calculations
Industry transducing signal collector and acquisition method.
The present invention is achieved through the following technical solutions：
1st, a kind of industrial sensor signal acquisition method based on edge calculations, it is characterised in that comprise the following steps：Including
Local message acquisition step；Area information acquisition step；Global information acquisition step；
First, local message acquisition step
Collecting sensor signal device receives the information of multiple sensor collections, and is the different types of letter of each separate sources
Breath is analyzed and handled, and its processing mode is as follows：
For digital quantity signal, collecting sensor signal device by record its high/low level signal change and generation when
Between, as shown in Figure 3, wherein " D " represents the information as digital quantity signal, " Num (i) " is i-th to the storage format of its data
Sensor, " 0/1 " are the low and high level signal (" 1 " of sensor detection output：For high level, " 0 "：For low level), " T " is inspection
Survey the time；
For analog signalses, collecting sensor signal device will carry out sampling processing to it and record the sampling time, sampling
Cycle is set according to actual needs, the storage format of its data as shown in Figure 4, wherein " A " represent the information as pass measure signal,
" Num (i) " is i-th of sensor, and " data " uses signal for sensor detection output, and " T " is detection time.
2nd, area information acquisition step
Area information is gathered and is realised in that, multiple local message acquisition nodes that edge calculations platform is administered to it
Sensor information gathers；In area information collection, in order to avoid large number of local message acquisition node fileinfo
Centrality uploads and causes that networking is blocked or server is delayed machine, therefore allows edge calculations platform progressively by the way of time-sharing polling
Access administered sensor information collector；Edge calculations platform provides data as a website by Web service
Channel interface carries out information exchange to the sensor information collector in institute compass of competency using Http agreements；In data receiver
During, edge calculations platform will be timely responded to associated monitoring equipment for the fault-signal detected and safeguard people
Member；Compressing file and temporary transient storage processing will be carried out for the routine information detected, waits and completes carrying out during timing ga(u)ge
Data upload；
3rd, global information acquisition step
Global information collection is realised in that information hub center of the cloud computing platform as whole industrial network, passes through
Web service provides data channel interface and carries out information exchange with edge calculations platform；Cloud computing platform is responsible for will be received
Compressed file carries out decompression analysis, all by way of ergodic data and with reference to caused by data mining technology come mining data
Phase, prediction Industrial Incidents probability of happening and period and the arrangement and analysis of realizing industrial production global information.
In local message gatherer process, collecting sensor signal device is when gathering information according to programmed instruction by Information encapsulation
Arrange, different transmission modes and transformat are used for marked different information types；For message processing flow such as accompanying drawing 5
Shown, the handling process for digital quantity signal is as shown in fig. 6, the control module of collecting sensor signal device is detected by pin
Change to current potential carrys out trigger event, when detecting normal signal, it is converted and deposited according to the data format of accompanying drawing 3
Chu Hou, its storage file after compressing is uploaded by the way of timing transmission；When detecting fault-signal, failure report will be exported
Alert signal, while duplicated record is carried out to failure occurrence event；
Handling process for analog signalses is as shown in fig. 7, the control module of collecting sensor signal device passes through pin
Timing sampling data, when sampled value is in normal detection range, it is converted and deposited according to the data format of accompanying drawing 4
Storage, its storage file after compressing is uploaded by the way of timing transmission；When sampled value is tired out beyond normal detection range but failure
When not exceeding setting value T between timing, equally handled by a upper description situation；When sampled value beyond normal detection range and
When the failure cumulative time exceeds setting value T, failure alarm signal will be exported, while duplicated record is carried out to failure occurrence event.
Collecting sensor signal device, it includes：
Control module for data analysis and processing；Control module uses arm processor, sets and is responsible for signal reception mould
Block pin function defines, is responsible for the cycle of signal acquisition and transmission, is responsible for the data format definition and information type of signal storage
Definition；
Communication module for data transfer；WiFi module and Ethernet card are provided with communication module, is responsible for control mould
The input and transmission of the information of block；
For the memory module of data storage, for storing the information data after being processed；
Signal receiving module for sensing data access；Signal receiving module, which provides pin, to be responsible for receiving sensor letter
Breath, it is responsible for access signal being divided into two paths of signals using single-input double-output circuit, portion passes to signal output module, a
For passing to control module after conversion；The pin access signal type of signal receiving module is defined by control module, if definition
For digital quantity signal, then the signal of access is directly passed into control module；If being defined as analog signalses, need by modulus
Control module is passed to after change-over circuit processing.
The signal output module of corresponding controller is output to for sensing data；Signal output module provides pin and born
Blame the signal for being transmitted data reception module and be delivered directly to corresponding controller.
Advantages of the present invention and effect are：
Local message collection is realised in that collecting sensor signal device to the sensor information in certain block control unit domain
Collection, and the processing of acquisition time and storage is analyzed it, formatted, added, and distribute priority by information type
Uploaded.
Collecting sensor signal device for data analysis with the control module of processing, for sensing data mainly by accessing
Signal receiving module, the memory module for data storage, for sensing data be output to corresponding to controller signal
Output module and the communication module composition for data transfer.
Control module uses arm processor, is set by programming and is responsible for the definition of signal receiving module pin function, bears
The cycle of signal acquisition and transmission, the data format definition of responsible signal storage and information type is blamed to define.
Signal receiving module provides pin and is responsible for receiving sensor information, is responsible for receiving using single-input double-output circuit
Signal be divided into two paths of signals, portion passes to signal output module, and portion is used to pass to control module after converting.
The pin access signal type of signal receiving module is defined by control module, if being defined as digital quantity signal, directly
Connect and the signal of access is passed into control module；If being defined as analog signalses, need to pass after analog to digital conversion circuit is handled
Pass control module.
Memory module is used to store the information data after being processed.
Signal output module provides the signal that pin is responsible for being transmitted data reception module and is delivered directly to corresponding control
Device processed.
WiFi module and Ethernet card are provided with communication module, is responsible for program write-in and the biography of information of control module
Send, the realization of its communication modes can use the WiFi modes of intelligence transmission and the Ethernet mode of intelligence transmission.
Area information collection is realised in that the sensor in the polylith control area that edge calculations platform is administered to it
Information gathering, mainly acquisition will be transmitted by industrial sensor signal picker in information, entered by signal source and sensor type
Row sorts out compression, and enters row information upload and information early warning processing by the priority of information type.
Global information collection is realised in that the information exchange of cloud computing platform and edge calculations platform, and cloud computing platform is born
All the sensors signal is collected, analyzed, storing by duty, the integrated treatment of early warning.
Inventive sensor signal picker is used to support the industrial sensor signal acquisition based on edge calculations.Collection side
Mainly by the way of " dividing and rule ", the information gathering in whole industrial scene is divided by equipment and its function for the realization of method
For local message collection, area information collection and global information collection.Local message collection is responsible for by collecting sensor signal device
The sensor information in region is collected, format conversion, warning output are carried out to it according to the source of collection information and type
Deng processing；Area information gathers the sensor information that administered local message acquisition node is collected by edge calculations platform,
The processing such as it is compressed, keeps in, uploading to the routine information of acquisition, real-time response processing is carried out to fault message；Global information
Collection is realised in that the upload information of edge calculations platform is decompressed and stored by cloud computing platform, and cloud computing is realized with this
Global analysis of the platform to industrial production data.
Brief description of the drawings
Fig. 1 is the general illustration of the industrial sensor signal acquisition method of the invention based on edge calculations.
Fig. 2 is the local message collection schematic diagram of the embodiment of the present invention.
Fig. 3 is the digital quantity signal data memory format schematic diagram of the embodiment of the present invention.
Fig. 4 is the analog signalses data memory format schematic diagram of the embodiment of the present invention.
Fig. 5 is the industrial sensor signal picker structural representation of the embodiment of the present invention.
Fig. 6 is one of message processing flow figure of the embodiment of the present invention.
Fig. 7 is the two of the message processing flow figure of the embodiment of the present invention.
Embodiment
The present invention is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in figure 1, the industrial sensor signal based on edge calculations shown in the general illustration that the present invention is implemented is adopted
Diversity method is mainly divided into three steps by the way of " dividing and rule ", be respectively local message collection, area information collection and
Global information gathers.
Local message gatherer process as shown in Fig. 2 collecting sensor signal device receives the information of multiple sensors collection, and
Analyzed and handled for the different types of information of each separate sources, its processing mode is as follows：
1. for digital quantity signal, collecting sensor signal device will record the change and generation of its high/low level signal
Time, as shown in Figure 3, wherein " D " represents the information as digital quantity signal, " Num (i) " is i-th to the storage format of its data
Individual sensor, " 0/1 " are the low and high level signal (" 1 " of sensor detection output：For high level, " 0 "：For low level), " T " is
Detection time；
2. for analog signalses, collecting sensor signal device will carry out sampling processing to it and record the sampling time, adopt
The sample cycle is set according to actual needs, the storage format of its data as shown in Figure 4, wherein " A " represent the information as pass measure signal,
" Num (i) " is i-th of sensor, and " data " uses signal for sensor detection output, and " T " is detection time.
As shown in figure 5, collecting sensor signal device is mainly made up of 5 modules, i.e. control module, communication module, storage
Module composition, signal receiving module, signal output module.Control module uses arm processor, is set and is responsible for by programming
Signal receiving module pin function defines, is responsible for the cycle of signal acquisition and transmission, is responsible for the data format definition of signal storage
And information type definition.WiFi module and Ethernet card are provided with communication module, is responsible for program write-in and the letter of control module
The transmission of breath, the realization of its communication modes can use the WiFi modes of intelligence transmission and the Ethernet mode of intelligence transmission.Store mould
Block is used to store the information data after being processed.Signal receiving module provides pin and is responsible for receiving sensor information, using list
Input dual output circuit is responsible for access signal being divided into two paths of signals, and portion passes to signal output module, and portion is used to convert
After pass to control module.The pin access signal type of signal receiving module is defined by control module, if being defined as digital quantity
Signal, then the signal of access is directly passed into control module；If being defined as analog signalses, need by analog to digital conversion circuit
Control module is passed to after processing.It is directly defeated that signal output module provides the signal that pin is responsible for being transmitted data reception module
It is sent to corresponding controller.
In local message gatherer process, collecting sensor signal device seals information according to programmed instruction when gathering information
Dress is arranged, and different transmission modes and transformat are used for marked different information types.Processing for digital quantity signal
Flow as shown in fig. 6, the control module of collecting sensor signal device detects the change of current potential come trigger event by pin, when
When detecting normal signal, it is converted and stored according to Fig. 3 data format, it is uploaded by the way of timing transmission
Storage file after compression；When detecting fault-signal, failure alarm signal will be exported, while failure occurrence event is carried out
Duplicated record.
Handling process for analog signalses is as shown in fig. 7, the control module of collecting sensor signal device passes through pin
Timing sampling data, when sampled value is in normal detection range, it is converted and deposited according to the data format of accompanying drawing 4
Storage, its storage file after compressing is uploaded by the way of timing transmission；When sampled value is tired out beyond normal detection range but failure
When not exceeding setting value T between timing, equally handled by a upper description situation；When sampled value beyond normal detection range and
When the failure cumulative time exceeds setting value T, failure alarm signal will be exported, while duplicated record is carried out to failure occurrence event.
Area information collection is realised in that multiple local message acquisition nodes that edge calculations platform is administered to it
Sensor information gathers.In area information collection, in order to avoid large number of local message acquisition node fileinfo
Centrality uploads and causes that networking is blocked or server is delayed machine, therefore allows edge calculations platform progressively by the way of time-sharing polling
Access administered sensor information collector.Edge calculations platform provides data as a website by Web service
Channel interface carries out information exchange to the sensor information collector in institute compass of competency using Http agreements.In data receiver
During, edge calculations platform will be timely responded to associated monitoring equipment for the fault-signal detected and safeguard people
Member；Compressing file and temporary transient storage processing will be carried out for the routine information detected, waits and completes carrying out during timing ga(u)ge
Data upload.
Global information collection is realised in that information hub center of the cloud computing platform as whole industrial network, passes through
Web service provides data channel interface and carries out information exchange with edge calculations platform.Cloud computing platform is responsible for will be received
Compressed file carries out decompression analysis, all by way of ergodic data and with reference to caused by data mining technology come mining data
Phase, predict Industrial Incidents probability of happening and period and realize arrangement and analysis of industrial production global information etc..
As described above, the present invention can be better realized.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With made under principle change, modification, replacement, combine, simplification, should be equivalent substitute mode, be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of industrial sensor signal acquisition method based on edge calculations, it is characterised in that comprise the following steps：Including part
Information gathering step；Area information acquisition step；Global information acquisition step；
First, local message acquisition step
Collecting sensor signal device receives the information of multiple sensor collections, and enters for the different types of information of each separate sources
Row analysis and processing, its processing mode are as follows：
For digital quantity signal, collecting sensor signal device will record the time of change and the generation of its high/low level signal；
For analog signalses, collecting sensor signal device will carry out sampling processing to it and record the sampling time, the sampling period
Set according to actual needs；
2nd, area information acquisition step
Area information is gathered and is realised in that, the sensing for multiple local message acquisition nodes that edge calculations platform is administered to it
Device information gathering；In area information collection, in order to avoid the concentration of large number of local message acquisition node fileinfo
Property upload and cause that networking is blocked or server is delayed machine, therefore allow edge calculations platform progressively to access by the way of time-sharing polling
The sensor information collector administered；Edge calculations platform provides data channel as a website by Web service
Interface carries out information exchange to the sensor information collector in institute compass of competency using Http agreements；In DRP data reception process
In, edge calculations platform will be timely responded to associated monitoring equipment and attendant for the fault-signal detected；
Compressing file and temporary transient storage processing will be carried out for the routine information detected, completes carrying out data when waiting timing ga(u)ge
Upload；
3rd, global information acquisition step
Global information collection is realised in that information hub center of the cloud computing platform as whole industrial network, is taken by Web
Business provides data channel interface and carries out information exchange with edge calculations platform；Cloud computing platform is responsible for received compression text
Part carries out decompression analysis, cycle, prediction by way of ergodic data and with reference to caused by data mining technology come mining data
Industrial Incidents probability of happening and period and the arrangement and analysis for realizing industrial production global information.
2. the industrial sensor signal acquisition method based on edge calculations according to claim 1, it is characterised in that：Local message
In gatherer process, collecting sensor signal device arranges Information encapsulation according to programmed instruction when gathering information, for being marked
Different information types use different transmission modes and transformat；The control module of collecting sensor signal device is detected by pin
Change to current potential carrys out trigger event, when detecting normal signal, after being converted and being stored, by the way of timing transmission
Upload the storage file after its compression；When detecting fault-signal, failure alarm signal will be exported, while thing is occurred to failure
Part carries out duplicated record；
For the handling process of analog signalses, the control module of collecting sensor signal device by pin timing sampling data,
When sampled value is in normal detection range, is converted and stored, after its compression is uploaded by the way of the timing transmission
Storage file；When sampled value exceeds normal detection range but the failure cumulative time does not exceed setting value T, equally by upper one
Description situation is handled；, will output event when sampled value exceeds normal detection range and the failure cumulative time exceeds setting value T
Hinder alarm signal, while duplicated record is carried out to failure occurrence event.
3. a kind of industrial sensor signal acquisition based on edge calculations, it is characterised in that collecting sensor signal device, it includes：
Control module for data analysis and processing；Control module uses arm processor, sets responsible signal receiving module and draws
Pin function defines, is responsible for the cycle of signal acquisition and transmission, the data format definition for being responsible for signal storage and information type and defines；
Communication module for data transfer；WiFi module and Ethernet card are provided with communication module, is responsible for control module
The input and transmission of information；
For the memory module of data storage, for storing the information data after being processed；
Signal receiving module for sensing data access；Signal receiving module provides pin and is responsible for receiving sensor information,
It is responsible for access signal being divided into two paths of signals using single-input double-output circuit, portion passes to signal output module, Yi Fenyong
Control module is passed to after conversion；The signal output module of corresponding controller is output to for sensing data；Signal is defeated
Go out the signal that module offer pin is responsible for being transmitted data reception module and be delivered directly to corresponding controller.
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