CN107577626A - A kind of synchronous data collection device based on the Big Dipper, method and system - Google Patents
A kind of synchronous data collection device based on the Big Dipper, method and system Download PDFInfo
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Abstract
The embodiment of the present invention proposes a kind of synchronous data collection device based on the Big Dipper, method and system, is related to data acquisition technology field.The device, method and system receive the time signal of Beidou satellite navigation and positioning system transmission by signal receiving module, after synchronization control module is based on time signal and the synchronous conversion signal of reference frequency signal generation, again answer processor transmission form conversion instruction and the FREQUENCY CONTROL analog-to-digital conversion module according to synchronous conversion signal converts analog signals into data signal, so as to complete collection of the synchronous data collection device for on-site parameters, sent because time signal is that Beidou satellite navigation and positioning system is unified, therefore different synchronous data collection devices has the time signal of identical standard, thus different synchronous data collection devices can accomplish the accurate synchronization for data acquisition, consequently facilitating data processing centre makes corresponding processing after obtaining accurate field condition.
Description
Technical field
The present invention relates to data acquisition technology field, is filled in particular to a kind of synchronous data collection based on the Big Dipper
Put, method and system.
Background technology
At present, Systems for Oil Pipeline Leakage detection method mainly has flow equilibrium method, negative pressure wave method, distribution type fiber-optic method and sound wave
Method etc., the time synchronized of the data acquisition of some of methods, it is that pipeline generation leakage differentiates and be accurately positioned leakage hair in time
The key of raw position.
And in the prior art, what the time synchronized of data acquisition was all done is not very accurately, to cause to be based ultimately upon these
The result that data obtain is also not accurate enough, right situations such as leakage accident so as to know that the aging that pipeline occurs is serious in time
The safety of environment and people all cause harm.
The content of the invention
It is an object of the invention to provide a kind of synchronous data collection device based on the Big Dipper, method and system, to solve
Above mentioned problem.
To achieve these goals, the technical scheme that the embodiment of the present invention uses is as follows：
In a first aspect, the embodiments of the invention provide a kind of synchronous data collection device based on the Big Dipper, the synchrodata is adopted
Acquisition means include：Processor, signal input module, signal receiving module, synchronization control module and analog-to-digital conversion module, it is described
Signal input module, the signal receiving module, the synchronization control module and the analog-to-digital conversion module respectively with it is described
Processor is electrically connected, and the signal receiving module, the synchronization control module and the analog-to-digital conversion module are sequentially connected electrically；
The signal receiving module is used for the time signal for receiving Beidou satellite navigation and positioning system transmission, and the time is believed
Number transmit to the processor and the synchronization control module；
The signal input module is used to transmit data acquisition instructions to the processor；
The processor is used to receive the time signal and gives birth to reference frequency signal and the response data acquisition instructions
Into form conversion instruction transmit to the synchronization control module；
The synchronization control module is used to generate synchronous conversion signal, institute based on the time signal and the reference frequency signal
Synchronization control module is stated to be additionally operable to respond the form conversion instruction and according to described in the FREQUENCY CONTROL of the reference frequency signal
The analog signal that one data acquisition module transmits is converted to data signal by analog-to-digital conversion module.
Second aspect, the embodiment of the present invention additionally provide a kind of synchronous data collection method based on the Big Dipper, the synchronization
Collecting method includes：
Receive the on-site parameters of data acquisition module transmission, the time signal that Beidou satellite navigation and positioning system is sent and number
According to acquisition instructions, the on-site parameters are analog signal；
Synchronous conversion signal is generated based on the time signal and presetting reference frequency signal；
The analog signal is converted to data signal by the frequency according to the synchronous conversion signal；
By the data signal and its corresponding time tranfer to a data processing centre.
The third aspect, the embodiment of the present invention additionally provide a kind of Channels Synchronous Data Acquisition System based on the Big Dipper, the synchronization
Data collecting system includes data processing centre and multiple synchronous data collection devices, and the synchronous data collection device includes：
Processor, signal input module, signal receiving module, synchronization control module and analog-to-digital conversion module, the signal input mould
Block, the signal receiving module, the synchronization control module and the analog-to-digital conversion module are electrically connected with the processor respectively
Connect, the signal receiving module, the synchronization control module and the analog-to-digital conversion module are sequentially connected electrically；
The signal receiving module is used for the time signal for receiving Beidou satellite navigation and positioning system transmission, and the time is believed
Number transmit to the processor and the synchronization control module；
The signal input module is used to transmit data acquisition instructions to the processor；
The processor is used to receive the time signal and refers to the form for responding the data acquisition instructions and generating conversion
Order is transmitted to the synchronization control module；
The synchronization control module is for responding the form conversion instruction and according to analog-to-digital conversion described in the FREQUENCY CONTROL specified
The analog signal that one data acquisition module transmits is converted to data signal by module；
The data processing centre communicates to connect with each synchronous data collection device；
The data processing centre is used in response to the operation of user generate data acquisition instructions, and by the data acquisition instructions
Send to each synchronous data collection device；
Each synchronous data collection device be used to responding the data acquisition instructions and and collection site parameter, and will described in
On-site parameters are transmitted to the data processing centre.
Synchronous data collection device provided in an embodiment of the present invention based on the Big Dipper, method and system, are received by signal
Module receives the time signal that Beidou satellite navigation and positioning system is sent, and time signal is transmitted to processor and Synchronization Control
Module, after synchronization control module is based on time signal and the synchronous conversion signal of reference frequency signal generation, then answer processor passes
Defeated form conversion instruction and the FREQUENCY CONTROL analog-to-digital conversion module according to synchronous conversion signal converts analog signals into numeral
Signal, so as to complete collection of the synchronous data collection device for on-site parameters, because time signal is that Beidou satellite navigation is determined
Position systematic unity is sent, therefore different synchronous data collection devices has identical time signal, thus different synchronizations
Data acquisition device only need to the time signal based on identical standard, just can accomplish the accurate synchronization for data acquisition, from
And it is easy to data processing centre to make corresponding processing after obtaining accurate field condition.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is shown as the circuit structure block diagram of synchronous data collection device provided in an embodiment of the present invention.
Fig. 2 shows the flow chart of synchronous data collection method provided in an embodiment of the present invention.
Fig. 3 shows the circuit connection block diagram of Channels Synchronous Data Acquisition System provided in an embodiment of the present invention
Icon：100- synchronous data collection devices；110- processors；120- signal receiving modules；130- synchronization control modules；
140- analog-to-digital conversion modules；150- signal input modules；160- data acquisition modules；170- memory modules；180- communication interfaces
Module；200- Channels Synchronous Data Acquisition Systems；210- data processing centres.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
First embodiment
The embodiments of the invention provide a kind of synchronous data collection device 100 based on the Big Dipper, for gathering on petroleum pipeline
On-site parameters.Referring to Fig. 1, the circuit structure block diagram for synchronous data collection device 100 provided in an embodiment of the present invention.This is same
Step data harvester 100 includes processor 110, signal input module 150, signal receiving module 120, synchronization control module
130th, analog-to-digital conversion module 140, data acquisition module 160, memory module 170 and communication interface module 180.Wherein, signal
Input module 150, signal receiving module 120, synchronization control module 130, analog-to-digital conversion module 140, data acquisition module 160,
Memory module 170 and communication interface module 180 electrically connect with processor 110 respectively, signal receiving module 120, Synchronization Control
Module 130 and analog-to-digital conversion module 140 are sequentially connected electrically.
Signal input module 150 transmits data acquisition instructions to processor 110.It should be noted that the data acquisition
Instruction can be it is that signal input module 150 generates itself in response to the operation of user or with signal input module 150
The operation of one terminal response user of communication connection and generate and transmit.
Signal receiving module 120 is used for the time signal for receiving Beidou satellite navigation and positioning system transmission, and will believe the time
Number transmit to processor 110 and synchronization control module 130.By the way that time signal is transmitted separately into processor 110 and synchronous control
Molding block 130, may be such that processor 110 and synchronization control module 130 have unified time standard, be easy to processor 110 according to
Relevant parameter is managed according to time signal, handled.
It is to be appreciated that the signal receiving module 120 communicates to connect with Beidou satellite navigation and positioning system, therefore can connect
The time signal sent by Beidou satellite navigation and positioning system.In a kind of preferred embodiment, signal receiving module 120 with
Signal input module 150 can be integrated in a wireless communication module.
Beidou satellite navigation system is made up of space segment, ground segment and user segment three parts, can whole day in the world
Time, round-the-clock provide high accuracy, highly reliable positioning, navigation, time service service for all types of user, and have short message communication capacity,
Possess area navigation, positioning and time service ability through preliminary, 10 meters of positioning precision, the meter per second of rate accuracy 0.2, time service precision 10 receives
Second.
Data acquisition module 160 is used to gather the on-site parameters on petroleum pipeline, and the on-site parameters are transmitted to modulus
Modular converter 140.
It should be noted that the on-site parameters are analog signal.In addition, data acquisition module 160 is according to on-site parameters
Difference also needs to make different changes.
For example, on-site parameters can be but be not limited only to flow, pressure that petroleum pipeline is subject to etc..Correspondingly, data are adopted
Collection module 160 should then include flow sensor and pressure sensor, to gather flow information and pressure information respectively.
Processor 110 is used to receive time signal and data acquisition instructions, while responds the data acquisition instructions and generate
Form conversion instruction, and the form conversion instruction that response data acquisition instructions are generated is transmitted to synchronization control module 130.
In addition, processor 110 is additionally operable to output frequency reference signal to synchronization control module 130, with the synchronous conversion of generation
Signal.
In a kind of preferred embodiment, processor 110 is arm processor 110.Certainly, in other embodiments, handle
Device 110 can also be other, such as FPGA, single-chip microcomputer etc..
Synchronization control module 130 is used to generate synchronous conversion signal based on time signal and reference frequency signal.Based on when
Between signal generation synchronous conversion signal, have identical time service precision with Beidou satellite navigation system, to realize high accuracy
Synchronization.
Synchronization control module 130 is additionally operable to response format conversion instruction and according to the FREQUENCY CONTROL modulus of synchronous conversion signal
The analog signal that one data acquisition module 160 transmits is converted to data signal by modular converter 140.
It is to be appreciated that analog-to-digital conversion module 140 is to be used to convert analog signals into data signal.And Synchronization Control
Module 130 need to then control analog-to-digital conversion module 140 to enter row format according to specified frequency and turn after form conversion instruction is received
Change, and control analog-to-digital conversion module 140 by the data transfer after conversion to processor 110.
It should be noted that during synchronization control module 130 controls analog-to-digital conversion module 140, can also be to conversion
Analog signal afterwards encloses matched time tag, then controls analog-to-digital conversion module 140 by the simulation with time tag
Signal is transmitted to processor 110.
Because processor 110 also have received time signal, thus can be by the time signal with carrying time tag
Analog signal corresponds to exactly, is easy to processor 110 to handle the parameter collected in the same time.
Memory module 170 electrically connects with processor 110, is transmitted for storage timing signal and analog-to-digital conversion module 140
Analog signal.
The memory module 170 includes but are not limited to RAM memory and FLASH memory.RAM memory is relative program
With the running space of data, when synchronous data collection 100 power down of device, the data of RAM memory memory storage can lose；And
FLASH memory is relative program and the memory space of data, when synchronous data collection 100 power down of device, in RAM memory
The data of storage will not lose.
Communication interface module 180 electrically connects with processor 110, for connecting external equipment.The communication interface module 180 wraps
Include but be not limited only to Ethernet interface, RS485 interfaces, RS232 interface and jtag interface etc..
By RS485 interfaces, RS232 interface, synchronous data collection device 100 can be connected with the intelligence instrument at scene；And
The on-site parameters collected can be transferred to data processing centre 210 by Ethernet interface by way of wirelessly or non-wirelessly；Pass through
Jtag interface, user can carry out the operation such as emulation testing to synchronous data collection device 100.
Second embodiment
The embodiments of the invention provide a kind of synchronous data collection method based on the Big Dipper, for gathering the scene on petroleum pipeline
Parameter.It should be noted that the synchronous data collection method that the present embodiment is provided, its general principle and caused technique effect
Identical with above-described embodiment, to briefly describe, the present embodiment part does not refer to part, refers in corresponding in the above embodiments
Hold.Referring to Fig. 2, the flow chart for synchronous data collection method provided in an embodiment of the present invention.The synchronous data collection method
Including：
Step S201：Judge whether synchronous data collection device 100 locks Beidou satellite navigation and positioning system, if it is, holding
Row step S202.
Firstly the need of determining whether synchronous data collection device 100 locks Beidou satellite navigation and positioning system, only when same
After step data harvester 100 has locked Beidou satellite navigation and positioning system, synchronous data collection device 100 could be normal
Operation, thus need to first confirm that the connection status of synchronous data collection device 100 and Beidou satellite navigation and positioning system.
Step S202：Generate confirmation.
When synchronous data collection device 100 has locked Beidou satellite navigation and positioning system, synchronous data collection device
100 generation confirmations, to show that synchronous data collection device 100 is normally connected with Beidou satellite navigation and positioning system.
Step S203：It will confirm that information transfer to data processing centre 210.
It will confirm that information transfer to data processing centre 210 so that data processing centre 210 learns that synchronous data collection fills
Put 100 to be normally connected with Beidou satellite navigation and positioning system, data acquisition can be carried out.
Step S204：Receive the on-site parameters of a data acquisition module 160 transmission, Beidou satellite navigation and positioning system is sent
Time signal and data acquisition instructions.
It is to be appreciated that in the present embodiment, data acquisition instructions are that data processing centre 210 responds user's operation generation
And transmit.
Step S205：Synchronous conversion signal is generated based on time signal and presetting reference frequency signal.
Step S206：Data signal is converted analog signals into according to the frequency specified.
It is to be appreciated that the step can be performed by analog-to-digital conversion module 140.
Step S207：Processing is filtered to data signal.
By being filtered processing to data signal, the noise in data signal can be filtered out, to improve data signal
Stability in accuracy and transmitting procedure.
Step S208：By data signal and its corresponding time tranfer to data processing centre 210.
By can be right by data signal and its corresponding time tranfer to data processing centre 210, data processing centre 210
Signal carries out relevant treatment, to meet the needs of user.
3rd embodiment
The embodiments of the invention provide a kind of Channels Synchronous Data Acquisition System 200 based on the Big Dipper, for synchronous acquisition petroleum pipeline
On on-site parameters.It should be noted that the Channels Synchronous Data Acquisition System 200 that the present embodiment is provided, its general principle and production
Raw technique effect is identical with above-described embodiment, and to briefly describe, the present embodiment part does not refer to part, refers to above-mentioned reality
Apply corresponding contents in example.
Referring to Fig. 3, connect block diagram for the circuit of Channels Synchronous Data Acquisition System 200 provided in an embodiment of the present invention.It is synchronous
Data collecting system 200 includes data processing centre 210 and multiple synchronous data collection devices provided by first embodiment
100, data processing centre 210 electrically connects with each synchronous data collection device 100.
Data processing centre 210 is used in response to the operation of user generate data acquisition instructions, and by data acquisition instructions
Send to each synchronous data collection device 100.
Each synchronous data collection device 100 be used for response data acquisition instructions and and collection site parameter, and by scene
Parameter is transmitted to data processing centre 210.
It should be noted that because each synchronous data collection device 100 communicates with Beidou satellite navigation and positioning system
Connection, and the time signal that each synchronous data collection device 100 is all based on the transmission of synchronous data collection device 100 enters line number
According to collection, thus in each synchronous data collection device 100 by the data transfer with time tag to data processing centre 210
Afterwards, data processing centre 210 can get the time for gathering the signal according to the time tag of each signal, so as at data
Reason center 210 can be so that the data with same time label to be uniformly processed.
In summary, the synchronous data collection device provided in an embodiment of the present invention based on the Big Dipper, method and system, pass through
Signal receiving module receives the time signal that Beidou satellite navigation and positioning system is sent, and time signal transmitted to processor and
Synchronization control module, after synchronization control module is based on time signal and the synchronous conversion signal of reference frequency signal generation, then respond
Processor transmission form conversion instruction and according to synchronous conversion signal FREQUENCY CONTROL analog-to-digital conversion module by analog signal turn
Data signal is changed to, so as to complete collection of the synchronous data collection device for on-site parameters, because time signal is that the Big Dipper is defended
The unified transmission of star navigation positioning system, therefore different synchronous data collection devices has identical time signal, thus not
Same synchronous data collection device can accomplish the accurate synchronization for data acquisition, consequently facilitating data processing centre obtains
Corresponding instruction is made after accurate field condition, can timely and effectively avoid the generation of disaster.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
Claims (10)
1. a kind of synchronous data collection device based on the Big Dipper, it is characterised in that the synchronous data collection device includes：Processing
Device, signal input module, signal receiving module, synchronization control module and analog-to-digital conversion module, the signal input module, institute
State signal receiving module, the synchronization control module and the analog-to-digital conversion module to electrically connect with the processor respectively, institute
Signal receiving module, the synchronization control module and the analog-to-digital conversion module is stated to be sequentially connected electrically；
The signal receiving module is used for the time signal for receiving Beidou satellite navigation and positioning system transmission, and the time is believed
Number transmit to the processor and the synchronization control module；
The signal input module is used to transmit data acquisition instructions to the processor；
The processor is used to receive the time signal and gives birth to reference frequency signal and the response data acquisition instructions
Into form conversion instruction transmit to the synchronization control module；
The synchronization control module is used to generate synchronous conversion signal, institute based on the time signal and the reference frequency signal
Synchronization control module is stated to be additionally operable to respond the form conversion instruction and according to described in the FREQUENCY CONTROL of the reference frequency signal
The analog signal that one data acquisition module transmits is converted to data signal by analog-to-digital conversion module.
2. the synchronous data collection device according to claim 1 based on the Big Dipper, it is characterised in that the synchrodata is adopted
Acquisition means also include the data acquisition module, and the data acquisition module electrically connects with the analog-to-digital conversion module, the number
It is used for collection site parameter according to acquisition module and transmits the on-site parameters to the analog-to-digital conversion module.
3. the synchronous data collection device according to claim 1 based on the Big Dipper, it is characterised in that the synchrodata is adopted
Acquisition means also include memory module, and the memory module electrically connects with the processor.
4. the synchronous data collection device according to claim 3 based on the Big Dipper, it is characterised in that the memory module bag
Include RAM memory and FLASH memory.
5. the synchronous data collection device according to claim 1 based on the Big Dipper, it is characterised in that the synchrodata is adopted
Acquisition means also include communication interface module, and the communication interface module electrically connects with the processor.
6. the synchronous data collection device according to claim 5 based on the Big Dipper, it is characterised in that the communication interface mould
Block includes Ethernet interface, RS485 interfaces, RS232 interface and jtag interface.
A kind of 7. synchronous data collection method based on the Big Dipper, it is characterised in that the synchronous data collection method includes：Receive
The time signal and data acquisition that on-site parameters, the Beidou satellite navigation and positioning system of one data acquisition module transmission are sent refer to
Order, the on-site parameters are analog signal；
Synchronous conversion signal is generated based on the time signal and presetting reference frequency signal；
The analog signal is converted to data signal by the frequency according to the synchronous conversion signal；
By the data signal and its corresponding time tranfer to a data processing centre.
8. the synchronous data collection method according to claim 7 based on the Big Dipper, it is characterised in that applied to together step number
According to harvester, the synchronous data collection method also includes：
When the synchronous data collection device locks the Beidou satellite navigation and positioning system, confirmation is generated；
The confirmation is transmitted to the data processing centre.
9. the synchronous data collection method according to claim 7 based on the Big Dipper, it is characterised in that believe by the numeral
Number and its corresponding time tranfer to the step of data processing centre before, the synchronous data collection method also includes：
Processing is filtered to the data signal.
10. a kind of Channels Synchronous Data Acquisition System based on the Big Dipper, it is characterised in that the Channels Synchronous Data Acquisition System includes data
Synchronous data collection device in processing center and multiple 1-6 such as claim as described in any one, the data processing centre
Communicated to connect with each synchronous data collection device；
The data processing centre is used in response to the operation of user generate data acquisition instructions, and by the data acquisition instructions
Send to each synchronous data collection device；
Each synchronous data collection device be used to responding the data acquisition instructions and and collection site parameter, and will described in
On-site parameters are transmitted to the data processing centre.
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| CN110739969A (en) * | 2019-10-18 | 2020-01-31 | 唐智科技湖南发展有限公司 | signal synchronous acquisition system |
| CN110939437A (en) * | 2019-12-16 | 2020-03-31 | 北京港震科技股份有限公司 | Underground data acquisition device and system |
| CN113129474A (en) * | 2020-01-16 | 2021-07-16 | 浙江吉利汽车研究院有限公司 | Method, device and equipment for using time information and storage medium |
| CN112346328A (en) * | 2020-11-24 | 2021-02-09 | 江苏方天电力技术有限公司 | Wireless synchronous acquisition system based on satellite synchronization technology |
| CN113008300A (en) * | 2021-02-24 | 2021-06-22 | 北京信息科技大学 | Aircraft measurement system, short message communication method and storage medium |
| CN114415560A (en) * | 2021-12-24 | 2022-04-29 | 浙江清华柔性电子技术研究院 | Data synchronous acquisition and processing method and device and storage medium |
| CN117098110A (en) * | 2023-09-28 | 2023-11-21 | 中孚安全技术有限公司 | Mobile phone monitoring system, method and medium based on high-precision time synchronization |
| CN117098110B (en) * | 2023-09-28 | 2024-01-05 | 中孚安全技术有限公司 | Mobile phone monitoring system, method and medium based on high-precision time synchronization |
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Application publication date: 20180112 |