CN106226717B - A kind of system and method for automatic monitoring signals acquisition module failure - Google Patents
A kind of system and method for automatic monitoring signals acquisition module failure Download PDFInfo
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- CN106226717B CN106226717B CN201610540983.7A CN201610540983A CN106226717B CN 106226717 B CN106226717 B CN 106226717B CN 201610540983 A CN201610540983 A CN 201610540983A CN 106226717 B CN106226717 B CN 106226717B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 4
- 239000004606 Fillers/Extenders Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010619 multiway switching Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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Abstract
The invention discloses a kind of systems of automatic monitoring signals acquisition module failure, it is related to signal acquisition module malfunction monitoring field, the system includes signal acquisition module, signal processing conversion module, multiway analog switch, line monitor signal acquisition module, monitors processing module and alarm module on-line；Wherein, signal acquisition module includes current acquisition unit, voltage acquisition unit and switch acquisition unit, multiway analog switch includes multichannel current analog switch, plurality of voltages analog switch, switching value expansion module, and line monitor signal acquisition module includes on-line monitoring leakage current acquisition module, on-line monitoring voltage acquisition module, on-line monitoring switching value acquisition module.The present invention can detect signal pickup assembly failure in real time, improve the accuracy and timeliness of malfunction monitoring, reduce maintenance difficulty, improve working efficiency, applied widely.The invention also discloses a kind of methods of automatic monitoring signals acquisition module failure.
Description
Technical field
The present invention relates to signal acquisition module malfunction monitoring fields, and in particular to a kind of automatic monitoring signals acquisition module event
The system and method for barrier.
Background technology
Signal pickup assembly is widely used at present, and is played a crucial role in circuit.It is multiple when needing to use
When signal pickup assembly acquires signal, if a certain signal pickup assembly occurs, it can only go out to judge that certain believes all the way by phenomenon of the failure
Number failure, and can not learn the signal pickup assembly of corresponding failure, can only will be offline after the power-off of all signal pickup assemblies, and tear open
It opens hardware to be checked one by one, the workload of investigation is very big, and overhaul efficiency is low.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of automatic monitoring signals acquisition modules
The system and method for failure can detect signal pickup assembly failure in real time, improve the accuracy and timeliness of malfunction monitoring, subtract
Small maintenance difficulty improves working efficiency, applied widely.
To achieve the above objectives, the technical solution adopted by the present invention is that：
A kind of system of automatic monitoring signals acquisition module failure, including signal input module, signal acquisition module, signal
Conversion module, multiway analog switch, line monitor signal acquisition module are handled, monitors processing module and alarm module on-line；
The signal input module includes multiple signal input units, is used for input signal；
The signal acquisition module includes multiple signal gathering units, and signal gathering unit is corresponding with signal input unit to be connected
It connects, signal gathering unit is used to acquire the analog signal of corresponding signal input unit, and is sent to signal processing conversion module；
The signal processing conversion module is used to the analog signal of acquisition being converted into digital signal, and is sent to online prison
Survey processing module；
The multiway analog switch connects multiple signal input units, for switching output individual signals input unit successively
Analog signal, and be sent to line monitor signal acquisition module；
The line monitor signal acquisition module connects multiway analog switch, and mould is inputted from signal via multiway analog switch
Block acquires analog signal, and is sent to on-line monitoring processing module；
The on-line monitoring processing module is for the analog signal received from line monitor signal acquisition module to be converted into
Digital signal, and extract from the signal that signal processing conversion module and line monitor signal acquisition module are respectively received same
The digital signal of the identical signal gathering unit of time, and compare from signal processing conversion module and line monitor signal and acquire mould
The digital signal extracted in the signal that block receives, judge corresponding signal collecting unit whether failure.
Based on the above technical solution, the signal of the signal input unit input includes current signal, voltage letter
Number and on-off model, and the current signal, voltage signal and on-off model correspond to different signal gathering units, multichannel
Analog switch, on-line monitoring acquisition module.
Based on the above technical solution, the corresponding signal gathering unit of the current signal, voltage signal passes through string
Row Peripheral Interface SPI communication buses are connect with signal processing conversion module, the corresponding signal gathering unit of the on-off model
It is connect with signal processing conversion module by bus extender GPIO.
Based on the above technical solution, the system also includes CAN communication module, the CAN communication module passes through
CAN communication bus connection signal handles conversion module, for receiving the signal after signal processing module processing, and exports institute
State signal.
The invention also discloses a kind of methods of automatic monitoring signals acquisition module failure, include the following steps：
S1：The sampling interval duration of preset signals acquisition module, the switching interval time of multiway analog switch；
S2：At interval of the sampling interval duration, the simulation of the primary all signal input units of signal acquisition module acquisition
Signal, and it is sent to signal processing conversion module；
S3：The analog signal of acquisition is converted into digital signal by signal processing conversion module, and is sent at on-line monitoring
Manage module；
S4：According to the switching interval time, multiway analog switch switches output individual signals input unit successively
Analog signal, and be sent to line monitor signal acquisition module；
S5：The analog signal received is sent to on-line monitoring processing module by line monitor signal acquisition module；
S6：The analog signal received from line monitor signal acquisition module is converted into number by on-line monitoring processing module
Signal, the signal that on-line monitoring processing module is respectively received from signal processing conversion module and line monitor signal acquisition module
Two digital signals of the identical signal gathering unit of middle extraction same time；
S7：Whether consistent monitor the more described two digital signals of processing module on-line, if two digital signals are inconsistent,
On-line monitoring processing module triggering alarm module sends out the alarm signal that the corresponding signal gathering unit breaks down, and feeds back
Signal processing conversion module, the corresponding signal gathering unit of signal processing conversion module control is given to stop acquisition signal.
Based on the above technical solution, switching interval time described in step S1 is the sampling interval duration
Integral multiple.
Based on the above technical solution, the collected analog signal of signal acquisition module described in step S2 includes electric current
Signal, voltage signal and on-off model.
Compared with the prior art, the advantages of the present invention are as follows：
The present invention can detect signal gathering unit failure, and some signal gathering unit failure at monitoring in real time
Afterwards, the alarm signal for sending out corresponding signal collecting unit failure improves the accuracy and timeliness of malfunction monitoring.
Multiple signal gathering units of the present invention are mutual indepedent, when some signal gathering unit breaks down, only need to examine
The signal gathering unit of corresponding failure is repaiied, the operation of other signals collecting unit is not influenced, reduces maintenance difficulty, improve work
Efficiency.
The signal gathering unit of the present invention includes current acquisition unit, voltage acquisition unit and switch acquisition unit, can
It is applied widely to be monitored to electric current, voltage and on-off model.
Description of the drawings
Fig. 1 is the structural schematic diagram of the system of automatic monitoring signals acquisition module failure in the embodiment of the present invention；
Fig. 2 is the detailed construction schematic diagram of the system of automatic monitoring signals acquisition module failure in the embodiment of the present invention；
Fig. 3 is the method flow diagram schematic diagram of automatic monitoring signals acquisition module failure in the embodiment of the present invention.
In figure：10- signal input modules, 111- current signal input units, 112- voltage signal input units, 113- are opened
Measure signal input unit, 20- signal acquisition modules, 211- current acquisition units, 212- voltage acquisition units, 213- switching values in pass
Collecting unit, 30- signal processing conversion modules, 40- multiway analog switches, 41- multichannel current analogs switch, 42- plurality of voltages
Analog switch, 43- multi-way switching values expand module, 50- line monitor signal acquisition modules, and 51- on-line monitoring leakage currents acquire mould
Block, 52- monitor voltage acquisition module on-line, and 53- monitors switching value acquisition module on-line, and 60- monitors processing module, 70- on-line
Alarm module, 80-CAN communication modules.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides a kind of system of automatic monitoring signals acquisition module failure, including letter
Number input module 10, signal acquisition module 20, signal processing conversion module 30, multiway analog switch 40, line monitor signal are adopted
Collect module 50, monitors processing module 60 and alarm module 70 on-line.
Shown in Figure 2, signal input module 10 includes multiple signal input units, is used for input signal.Signal inputs
The signal of unit input includes current signal, voltage signal and on-off model, and current signal, voltage signal and switching value are believed
Number corresponding different signal input unit, signal gathering unit, multiway analog switch 40, on-line monitoring acquisition module 50.Signal
Input unit includes that N1 current signal input unit 111, N2 voltage signal input unit 112 and N3 on-off model are defeated
Enter unit 113.
Signal acquisition module 20 includes signal gathering unit, and signal gathering unit is correspondingly connected with signal input unit.Letter
Number collecting unit includes that the N1 current acquisition unit 211, N2 voltage acquisition unit 212 and N3 switching value being correspondingly connected with are adopted
Collect unit 213, the analog signal for acquiring corresponding signal input unit, and is sent to signal processing conversion module 30.Signal
Acquisition module 20 can acquire a variety of different electric currents, voltage and on-off model, applied widely.Multiple signal gathering units
Independently of each other, when some signal gathering unit breaks down, the signal gathering unit of corresponding failure need to be only overhauled, not shadow
Other signals collecting unit operation is rung, reduces maintenance difficulty, improves working efficiency.
Signal processing conversion module 30 controls signal acquisition module 20, and for the analog signal of acquisition to be converted into number
Signal is sent to on-line monitoring processing module 60.Current acquisition unit 211, voltage acquisition unit 212 pass through Serial Peripheral Interface (SPI)
SPI communication buses are connect with signal processing conversion module 30, and switch acquisition unit 213 passes through bus extender GPIO and signal
Conversion module 30 is handled to connect.
40 connection signal input unit of multiway analog switch, the simulation for switching output individual signals input unit successively
Signal, and it is sent to line monitor signal acquisition module 50.Multiway analog switch 40 include a multichannel current analog switch 41,
Plurality of voltages analog switch 42 and multi-way switching values expand module 43.41 input terminal of multichannel current analog switch connects N1 electric current
Signal input unit 111, the analog signal for the 1st to N1 current signal input unit 111 of switching output successively.Multi-path electricity
It presses 42 input terminal of analog switch to connect N2 voltage signal input unit 112, the 1st to N2 voltage letter is exported for switching successively
The analog signal of number input unit 112.Multi-way switching values expand 43 input terminal of module and connect N3 on-off model input unit
113, the analog signal for the 1st to N1 on-off model input unit 113 of switching output successively.
Line monitor signal acquisition module 50 connects multiway analog switch 40, is inputted from signal via multiway analog switch 40
Module 10 acquires analog signal, and is sent to on-line monitoring processing module 60.Line monitor signal acquisition module 50 includes corresponding to
On-line monitoring leakage current acquisition module 51, on-line monitoring voltage acquisition module 52 and the on-line monitoring switching value acquisition module of connection
53。
Monitor 60 connection signal of processing module processing conversion module 30, line monitor signal acquisition module 50 and alarm on-line
Module 70, for the analog signal received from line monitor signal acquisition module 50 to be converted into digital signal, and from signal
The identical signal of same time is extracted in the signal that reason conversion module 30 and line monitor signal acquisition module 50 are respectively received
Two digital signals of collecting unit, and compare two digital signals, judge corresponding signal collecting unit whether failure.
The system of the present invention further includes CAN communication module 80, and CAN communication module 80 passes through CAN communication bus connection signal
Conversion module 30 is handled, treated for receiving signal processing conversion module 30 signal, and export to user.
It is shown in Figure 3, the invention also discloses a kind of method of automatic monitoring signals acquisition module failure, including it is following
Step：
S1：The sampling interval duration of preset signals acquisition module 20, the switching interval time of multiway analog switch 40；
S2：At interval of sampling interval duration, signal acquisition module 20 acquires the simulation letter of primary all signal input units
Number, and it is sent to signal processing conversion module 30；
S3：The analog signal of acquisition is converted into digital signal by signal processing conversion module 30, and is sent to on-line monitoring
Processing module 60；
S4：According to switching interval time, multiway analog switch 40 switches output individual signals input unit successively
Analog signal, and it is sent to line monitor signal acquisition module 50；
S5：The analog signal received is sent to on-line monitoring processing module 60 by line monitor signal acquisition module 50；
S6：The analog signal received from line monitor signal acquisition module 50 is converted by on-line monitoring processing module 60
Digital signal, on-line monitoring processing module 60 connect respectively from signal processing conversion module 30 and line monitor signal acquisition module 50
Two digital signals of the identical signal gathering unit of same time are extracted in the signal received；
S7：Whether on-line monitoring processing module 60 compares two digital signals consistent, if two digital signals are inconsistent,
Line monitoring processing module 60 triggers alarm module 70 and sends out the alarm signal that corresponding signal gathering unit breaks down, and feeds back
To signal processing conversion module 30, signal processing conversion module 30 controls corresponding signal gathering unit and stops acquisition signal.
The switching interval time of above-mentioned multiway analog switch 40 is the sampling interval duration of signal acquisition module 20
Integral multiple.
In the present embodiment, signal pickup assembly acquires following signal：Current signal 0-24mA, on-off model 0/1, voltage
Signal 0-10V.
The present invention can detect signal gathering unit failure, and some signal gathering unit failure at monitoring in real time
Afterwards, the alarm signal for sending out corresponding signal collecting unit failure improves the accuracy and timeliness of malfunction monitoring.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (7)
1. a kind of system of automatic monitoring signals acquisition module failure, it is characterised in that：Including signal input module (10), signal
Acquisition module (20), signal processing conversion module (30), multiway analog switch (40), line monitor signal acquisition module (50),
Monitor processing module (60) and alarm module (70) on-line；
The signal input module (10) includes multiple signal input units, is used for input signal；
The signal acquisition module (20) includes multiple signal gathering units, and signal gathering unit is corresponding with signal input unit to be connected
It connects, signal gathering unit is used to acquire the analog signal of corresponding signal input unit, and is sent to signal processing conversion module
(30)；
The signal processing conversion module (30) is used to the analog signal of acquisition being converted into digital signal, and is sent to online prison
Survey processing module (60)；
The multiway analog switch (40) connects multiple signal input units, for switching output individual signals input unit successively
Analog signal, and be sent to line monitor signal acquisition module (50)；
The line monitor signal acquisition module (50) connection multiway analog switch (40), via multiway analog switch (40) from letter
Number input module (10) acquires analog signal, and is sent to on-line monitoring processing module (60)；
Analog signal of the on-line monitoring processing module (60) for that will be received from line monitor signal acquisition module (50) turns
Change digital signal, and the letter being respectively received from signal processing conversion module (30) and line monitor signal acquisition module (50) into
The digital signal of the identical signal gathering unit of same time is extracted in number, and compare from signal processing conversion module (30) and
The digital signal extracted in the signal that line monitoring signals acquisition module (50) receives judges whether corresponding signal collecting unit is former
Barrier.
2. a kind of system of automatic monitoring signals acquisition module failure as described in claim 1, it is characterised in that：The signal
The signal of input unit input includes current signal, voltage signal and on-off model, and the current signal, voltage signal and
On-off model corresponds to different signal gathering units, multiway analog switch (40), on-line monitoring acquisition module (50).
3. a kind of system of automatic monitoring signals acquisition module failure as claimed in claim 2, it is characterised in that：The electric current
The corresponding signal gathering unit of signal, voltage signal passes through serial peripheral equipment interface SPI communication bus and signal processing conversion module
(30) it connects, the corresponding signal gathering unit of the on-off model passes through bus extender GPIO and signal processing conversion module
(30) it connects.
4. a kind of system of automatic monitoring signals acquisition module failure as described in claim 1, it is characterised in that：The system
Further include CAN communication module (80), the CAN communication module (80) handles conversion module by CAN communication bus connection signal
(30), treated for receiving signal processing conversion module (30) signal, and export the signal.
5. a kind of method of automatic monitoring signals acquisition module failure based on any one of Claims 1-4 system, special
Sign is, includes the following steps：
S1：The sampling interval duration of preset signals acquisition module (20), the switching interval time of multiway analog switch (40)；
S2：At interval of the sampling interval duration, the simulation of the primary all signal input units of signal acquisition module (20) acquisition
Signal, and it is sent to signal processing conversion module (30)；
S3：The analog signal of acquisition is converted into digital signal by signal processing conversion module (30), and is sent at on-line monitoring
Manage module (60)；
S4：According to the switching interval time, multiway analog switch (40) switches output individual signals input unit successively
Analog signal, and be sent to line monitor signal acquisition module (50)；
S5：The analog signal received is sent to on-line monitoring processing module (60) by line monitor signal acquisition module (50)；
S6：The analog signal received from line monitor signal acquisition module (50) is converted by on-line monitoring processing module (60)
Digital signal monitors processing module (60) on-line from signal processing conversion module (30) and line monitor signal acquisition module (50)
Two digital signals of the identical signal gathering unit of same time are extracted in the signal being respectively received；
S7：Whether consistent monitor processing module (60) more described two digital signals on-line, if two digital signals are inconsistent,
On-line monitoring processing module (60) triggers alarm module (70) and sends out the alarm signal that the corresponding signal gathering unit breaks down
Number, and signal processing conversion module (30) is fed back to, the corresponding signal gathering unit of signal processing conversion module (30) control
Stop acquisition signal.
6. a kind of method of automatic monitoring signals acquisition module failure as claimed in claim 5, it is characterised in that：Step S1 institutes
State the integral multiple that switching interval time is the sampling interval duration.
7. a kind of method of automatic monitoring signals acquisition module failure as claimed in claim 5, it is characterised in that：Step S2 institutes
It includes current signal, voltage signal and on-off model to state signal acquisition module (20) collected analog signal.
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| CN201610540983.7A CN106226717B (en) | 2016-07-11 | 2016-07-11 | A kind of system and method for automatic monitoring signals acquisition module failure |
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| CN201610540983.7A CN106226717B (en) | 2016-07-11 | 2016-07-11 | A kind of system and method for automatic monitoring signals acquisition module failure |
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| CN108918956A (en) * | 2018-05-17 | 2018-11-30 | 安徽亚智电气有限公司 | Voltage signal acquisition analysis system |
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| US8228073B2 (en) * | 2010-10-14 | 2012-07-24 | O2Micro Inc | Signal monitoring systems |
| CN102608563A (en) * | 2012-04-17 | 2012-07-25 | 上海大亚科技有限公司 | Device and method for testing data collecting module in intelligent ammeter |
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| CN104407239A (en) * | 2014-10-23 | 2015-03-11 | 国网重庆市电力公司电力科学研究院 | Electricity information acquisition terminal modular electromagnetic compatibility integrated test apparatus |
| CN204462333U (en) * | 2015-03-20 | 2015-07-08 | 国家电网公司 | A kind of distribution switch mechanical state monitoring device |
| CN105277824A (en) * | 2015-10-10 | 2016-01-27 | 陕西千山航空电子有限责任公司 | Online automatic testing circuit and method of multichannel collection interface |
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2016
- 2016-07-11 CN CN201610540983.7A patent/CN106226717B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8228073B2 (en) * | 2010-10-14 | 2012-07-24 | O2Micro Inc | Signal monitoring systems |
| CN102608563A (en) * | 2012-04-17 | 2012-07-25 | 上海大亚科技有限公司 | Device and method for testing data collecting module in intelligent ammeter |
| CN104168148A (en) * | 2014-05-04 | 2014-11-26 | 杭州立地信息技术有限公司 | Multi-interface data collecting device and method |
| CN104407239A (en) * | 2014-10-23 | 2015-03-11 | 国网重庆市电力公司电力科学研究院 | Electricity information acquisition terminal modular electromagnetic compatibility integrated test apparatus |
| CN204462333U (en) * | 2015-03-20 | 2015-07-08 | 国家电网公司 | A kind of distribution switch mechanical state monitoring device |
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