CN109342803A - Current detecting system, method, apparatus, computer equipment and storage medium - Google Patents
Current detecting system, method, apparatus, computer equipment and storage medium Download PDFInfo
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- CN109342803A CN109342803A CN201811109409.1A CN201811109409A CN109342803A CN 109342803 A CN109342803 A CN 109342803A CN 201811109409 A CN201811109409 A CN 201811109409A CN 109342803 A CN109342803 A CN 109342803A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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Abstract
The present invention relates to a kind of current detecting system, method, apparatus, computer equipment and storage mediums.Above system includes: Analog input mModule, quality module and switching value broadcast module, the output end of the input terminal connection Analog input mModule of quality module, the input terminal of the output end connection switch amount broadcast module of quality module；The input terminal of Analog input mModule is used to connect the analog output end of Distributed Control System；Analog input mModule is used to receive the electric current of Distributed Control System output, the corresponding analog signal of the electric current of output is converted to corresponding digital signal, and digital signal is exported to quality module, quality module is for detecting whether digital signal is the first digital signal, if, the electric current for then determining output is more than predetermined current range, and exports on-off model to switching value broadcast module；Switching value broadcast module is used for broadcast switch amount signal, with trigger current protection mechanism protective current.This system improves current detection accuracy.
Description
Technical field
The present invention relates to technical field of current detection, more particularly to a kind of current detecting system, method, apparatus, calculating
Machine equipment and storage medium.
Background technique
The DC current range that industrial process continuous control signal generally uses is 4mA-20mA, once the signal is in route
When open circuit or signal source occur abnormal, it will cause signal code mutation, lead to controlled device malfunction, to exist certain
Security risk.
Currently, generalling use a set of special protection when losing signal device of installation to reach protection when losing signal function to solve
The certainly above problem, its working principle is that electromagnetic induction effect, when open lines or electric current are zero, electromagnetic induction becomes
Change and be more than deliberate action value, by exporting an on-off model, triggers protection when losing signal.
However, finding traditional electric current inspection when inventor is using above-mentioned special protection when losing signal device detection electric current
The survey method technical problem low there are detection accuracy.
Summary of the invention
Based on this, it is necessary to for the low technical problem of the current detection accuracy of currently used protection when losing signal device,
A kind of current detecting system, method, apparatus, computer equipment and storage medium improving current detection accuracy is provided.
A kind of current detecting system, comprising: Analog input mModule, quality module and switching value broadcast module, the product
The input terminal of matter module connects the output end of the Analog input mModule, and the output end of the quality module connects the switch
Measure the input terminal of broadcast module；The input terminal of the Analog input mModule is used to connect the analog output of Distributed Control System
End；
The Analog input mModule is used to receive the electric current of Distributed Control System output, and the electric current of the output is corresponding
Analog signal be converted to corresponding digital signal, and the digital signal is exported to the quality module；The quality mould
Block is for detecting whether the digital signal is the first digital signal, if so, determining that the electric current of the output is more than default electricity
Range is flowed, and exports on-off model to the switching value broadcast module；The switching value broadcast module is for broadcasting described open
Signal is measured in pass, to trigger the electric current that preset current protection mechanism protects the Distributed Control System output.
The current detecting system further includes overcurrent protection module in one of the embodiments, the current protection mould
The input terminal of block connects the output end of the switching value broadcast module, for according to the on-off model trigger alarm and/or
Current protection movement.
The quality module is specifically used in one of the embodiments, according to predetermined period, detects the digital signal
It whether is the first digital signal.
The Quality Detection module is also used to detect that the digital signal is the second number in one of the embodiments,
Signal does not export the on-off model then.
A kind of electric current detecting method, comprising the following steps:
Receive the electric current of Distributed Control System output；
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal；
The digital signal is exported to preset module；Whether the quality module is for detecting the digital signal
For the first digital signal, if detecting, the digital signal is the first digital signal, it is determined that the electric current is more than predetermined current
Range, and export preset switches amount signal；
The preset switches amount signal of the quality module output is broadcasted, the on-off model is for triggering preset electric current
Protection mechanism protects the electric current of the Distributed Control System output.
The step of whether the detection digital signal is the first digital signal in one of the embodiments, comprising:
According to predetermined period, detect whether the digital signal is the first digital signal.
In one of the embodiments, after detecting the step of whether digital signal is the first digital signal, also
Include:
If detecting, the digital signal is the second digital signal, does not export the on-off model.
In one of the embodiments, after the step of broadcasting the preset switches amount signal of the quality module output,
Further include:
Alarm and/or current protection movement are triggered according to the preset switches amount signal.
A kind of current detection means, described device include:
Current receiv unit, for receiving the electric current of Distributed Control System output；
Signal conversion unit, for the corresponding analog signal of the electric current of the output to be converted to corresponding digital signal；
Signal input unit, for exporting the digital signal to preset module；The quality module is for examining
Survey whether the digital signal is the first digital signal, the digital signal is the first digital signal if detecting, it is determined that institute
Electric current is stated more than predetermined current range, and exports preset switches amount signal；
Switching value radio unit, for broadcasting the preset switches amount signal of the quality module output；The switching value letter
The electric current of Distributed Control System output number is protected for triggering preset current protection mechanism.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
Device performs the steps of when executing the computer program
Receive the electric current of Distributed Control System output；
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal；
The digital signal is exported to preset module；Whether the quality module is for detecting the digital signal
For the first digital signal, if detecting, the digital signal is the first digital signal, it is determined that the electric current is more than predetermined current
Range, and export preset switches amount signal；
The preset switches amount signal of the quality module output is broadcasted, the on-off model is for triggering preset electric current
Protection mechanism protects the electric current of the Distributed Control System output.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
It is performed the steps of when row
Receive the electric current of Distributed Control System output；
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal；
The digital signal is exported to preset module；Whether the quality module is for detecting the digital signal
For the first digital signal, if detecting, the digital signal is the first digital signal, it is determined that the electric current is more than predetermined current
Range, and export preset switches amount signal；
The preset switches amount signal of the quality module output is broadcasted, the on-off model is for triggering preset electric current
Protection mechanism protects the electric current of the Distributed Control System output.
Above-mentioned current detecting system, method, apparatus, computer equipment and computer readable storage medium, by collecting and distributing control
The corresponding analog signal of electric current of system output is converted to corresponding digital signal, if detecting, digital signal is the first number letter
Number, it is determined that the electric current of output is more than predetermined current range, exports on-off model, and on-off model is broadcasted, with
Trigger current protection mechanism protects the electric current of Distributed Control System output, i.e., one detects that digital signal is the first digital signal,
The electric current for then determining Distributed Control System output is more than predetermined current range, and exports on-off model, by on-off model into
Row broadcast is realized with the electric current that trigger protection Distributed Control System exports by the way that whether detection digital signal is the first number
Signal is that can determine whether the electric current of Distributed Control System output is more than predetermined current range, has reached detection electric current and has been easy, inspection
Technical effect with high accuracy is surveyed, conventional current detection method is overcome and haves the defects that detection difficult and detection accuracy are low.
Detailed description of the invention
Fig. 1 is the applied environment figure of the current detecting system of one embodiment；
Fig. 2 is the schematic diagram of the current detecting system of one embodiment；
Fig. 3 is the schematic diagram of the current detecting system of another embodiment；
Fig. 4 is the schematic flow chart of the electric current detecting method of one embodiment；
Fig. 5 is the schematic flow chart of the electric current detecting method of another embodiment；
Fig. 6 is the schematic diagram of the current detection means of one embodiment；
Fig. 7 is the schematic diagram of the current detection means of another embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, current detecting system provided by the present application can be applied to application environment as shown in Figure 1
In.Wherein, current detecting system can be held in the process for the electric current for executing detection Distributed Control System output by computer equipment
Row.Wherein, which can be server, and internal structure chart can be as shown in Figure 1, include being connected by system bus
Processor, memory and the network interface connect.Wherein, the processor of the computer equipment is used to provide calculating and control ability,
It is able to detect the range of electric current.The memory of the computer equipment includes non-volatile memory medium, built-in storage.This is non-volatile
Property storage medium is stored with operating system and computer program.The built-in storage is the operating system in non-volatile memory medium
Operation with computer program provides environment.The network interface of the computer equipment is used to pass through network connection with external terminal
Communication.The function of current detecting system detection electric current is realized when the computer program is executed by processor.The computer equipment
It can be Distributed Control System, it can also be with the server cluster of the either multiple server compositions of independent server come real
It is existing.
Based on the above-mentioned explanation to application environment, the embodiment of current detecting system is illustrated below.
In one embodiment, as shown in Fig. 2, providing a kind of current detecting system, comprising: Analog input mModule
201, the input terminal of quality module 202 and switching value broadcast module 203, the quality module 202 connects the analog input
The output end of module 201, the output end of the quality module 202 connect the input terminal of the switching value broadcast module 203；It is described
The input terminal of Analog input mModule 201 is used to connect the analog output end of Distributed Control System.
The Analog input mModule 201 is used to receive the electric current of Distributed Control System output, by the electric current of the output
Corresponding analog signal is converted to corresponding digital signal, and the digital signal is exported to the quality module 202；It is described
Quality module 202 is for detecting whether the digital signal is the first digital signal, if so, determining that the electric current of the output is super
Predetermined current range is crossed, and exports on-off model to the switching value broadcast module 203；The switching value broadcast module 203
For broadcasting the on-off model, to trigger the electricity that preset current protection mechanism protects the Distributed Control System output
Stream.
Wherein, Distributed Control System (Distributed Control System, abbreviation DCS) is using microprocessor as base
Plinth is concentrated using control function dispersion, display operation, is taken into account point and the instrument of new generation of design principle that is autonomous and synthesizing and coordinating
Control system, output current requirements in a certain range, need to by detect just can determine whether system export electric current whether
It meets the requirements.
The received current source of Analog input mModule 201 can also come in the analog output end of Distributed Control System
Derived from the electric current of other distinct devices output, the application is not specifically limited herein.The analog output end of Distributed Control System
The electric current of output is a kind of analog signal, needs to convert it into digital signal, and subsequent quality module is facilitated to judge it,
And decide whether to export on-off model.
Analog input mModule 201 has electric current over range arbitration functions, can automatically will be more than predetermined current range
The corresponding analog signal of electric current is converted to the first digital signal, will be no more than the corresponding analog signal of electric current of predetermined current range
It is converted to the second digital signal.In addition, the application can be according to the difference of the source device of the electric current of input, self-setting is pre-
If current range.For example, the output current scope of Distributed Control System is 4mA-20mA, then predetermined current range is 4mA-
20mA, facilitates whether the electric current of detection Distributed Control System output overruns.
First digital signal is a kind of for indicating letter of the electric current more than predetermined current range of Distributed Control System output
Number, facilitate quality module according to the first digital signal, that is, can determine whether that the electric current of Distributed Control System output is more than predetermined current model
It encloses, to export on-off model.On-off model is also a kind of analog signal, is exported for trigger protection Distributed Control System
Electric current.Preset current protection mechanism can be a series of current protection measures, including alarm, cut off electric current output etc..
Whether the digital signal that quality module 202 is also used to detect the output of Analog input mModule 201 is the first number letter
Number, according to different digital signals, it is determined whether output on-off model, i.e., by judging that the type of digital signal can determine whether
Whether the electric current of Distributed Control System output is more than predetermined current range, to judge whether to export on-off model, further
Improve the precision of detection electric current.
Switching value broadcast module 203 is used for the on-off model that broadcast quality module 202 exports, to trigger preset electric current
Protection mechanism protects the electric current of the Distributed Control System output, i.e., is more than predetermined current in the electric current of Distributed Control System output
When range, corresponding current protection mechanism can be started at once, more fully protect electric current, avoid causing it is unnecessary after
Fruit.
The corresponding analog signal of electric current that Distributed Control System exports is converted to corresponding number and believed by above-described embodiment
Number, if detecting, digital signal is the first digital signal, it is determined that the electric current of output is more than predetermined current range, exports switching value
Signal, and on-off model is broadcasted, with the electric current of trigger current protection mechanism protection Distributed Control System output, i.e., one
Detecting that digital signal is the first digital signal, it is determined that the electric current of Distributed Control System output is more than predetermined current range, and
On-off model is exported, on-off model is broadcasted, with the electric current that trigger protection Distributed Control System exports, is realized logical
Cross whether detection digital signal is the first digital signal can determine whether the electric current of Distributed Control System output is more than default electricity
Range is flowed, has reached detection electric current and has been easy, the high technical effect of detection accuracy overcomes conventional current detection method and there is detection
Difficult and low detection accuracy defect.
In one embodiment, the current detecting system further includes overcurrent protection module, the overcurrent protection module
Input terminal connects the output end of the switching value module, alarms for being triggered according to the on-off model.In addition, the electric current
Protective module is also used to according to the on-off model trigger current protection act.Above-described embodiment, by detecting digital letter
It number is the first digital signal, it can be determined that the electric current exported to Distributed Control System is more than predetermined current range, and exports switch
Signal is measured, triggering alarm can remind staff to take current protection measures in time；It is protected by on-off model trigger current
Shield movement, can protect the electric current of Distributed Control System output, avoid the normal work for influencing Distributed Control System.
In one embodiment, the quality module 202 is specifically used for, and according to predetermined period, detects the digital signal
It whether is the first digital signal.For example, setting predetermined period is 20ms, in predetermined period according to the demand of detection digital signal
Interior, whether detection digital signal is the first digital signal.Above-described embodiment, according to predetermined period, detect digital signal whether be
First digital signal, fast response time can quickly judge whether the electric current of Distributed Control System output is more than predetermined current
Range is provided convenience to determine whether to export on-off model.
In one embodiment, quality module 202 is also used to detect that the digital signal is the second digital signal, then not
Export the on-off model.Wherein, second control signal be it is a kind of for indicate Distributed Control System output electric current do not surpass
Cross the signal of predetermined current range.Above-described embodiment, if detecting, digital signal is the second digital signal, it is determined that collecting and distributing control
The electric current of system output is no more than predetermined current range, does not export on-off model, realizes detection electric current and simply readily imitates
Fruit further improves detection current precision, facilitates and subsequent takes corresponding current protection measures.
In one embodiment, as shown in figure 3, providing another current detecting system, including Analog input mModule
301, the input terminal of quality module 302, switching value broadcast module 303 and overcurrent protection module 304, the quality module 302 connects
The output end of the Analog input mModule 301 is connect, the output end of the quality module 302 connects the switching value broadcast module
303 input terminal；The input terminal of the overcurrent protection module 304 connects the output end of the switching value broadcast module 303；It is described
The input terminal of Analog input mModule 301 is used to connect the analog output end of Distributed Control System.
The Analog input mModule 301 is used to receive the electric current of Distributed Control System output, by the electric current of the output
Corresponding analog signal is converted to corresponding digital signal, and the digital signal is exported to the quality module 302；It is described
Quality module 302 is for detecting whether the digital signal is the first digital signal, if so, determining that the electric current of the output is super
Predetermined current range is crossed, and exports on-off model to the switching value broadcast module 303；The switching value broadcast module 303
For exporting on-off model to overcurrent protection module 304；The overcurrent protection module 304 is used to be believed according to the switching value
Number, triggering alarm and/or current protection movement.
Above-described embodiment, current detecting system one detect that digital signal is the first digital signal, it is determined that collecting and distributing control
The electric current of system output is more than predetermined current range, and exports on-off model, on-off model is broadcasted, to trigger electricity
The electric current for flowing protection mechanism protection Distributed Control System output is realized by the way that whether detection digital signal is the first digital signal
Whether the electric current that can determine whether Distributed Control System output is more than predetermined current range, has reached detection electric current and has been easy, detection essence
High technical effect is spent, conventional current detection method is overcome and haves the defects that detection difficult and detection accuracy are low；It realizes simultaneously
According to the effect of the electric current of on-off model trigger protection Distributed Control System output, avoid that the electric current can not be protected in time
And cause the defect of accident.
In conjunction with the current detecting system of above-described embodiment, it is illustrated below with reference to concrete application example.
In one embodiment, the area requirement of the electric current of Distributed Control System output is 3.85mA-20.15mA (different
Distributed Control System, the electric current of output can have error), need to judge whether it meets the requirements by the electric current of detection output.
The current output terminal of Distributed Control System is connected serially to the analog input channel of Distributed Control System by wiring.Analog quantity is defeated
Enter channel with electric current over range arbitration functions, whether can be more than predetermined current range (such as 3.85mA- according to electric current
20.15mA), bad point is judged whether there is, that is, passes through whether detection electric current is more than the determining number exported after predetermined current range
The type of signal, and digital signal is exported to quality judgment module, quality judgment module has the quality at testing number strong point good
Bad function can determine whether to export on-off model according to the type of digital signal, determine whether to trigger preset
Current protection mechanism protects the electric current of Distributed Control System output.
Wherein, according to predetermined period, whether the electric current for detecting Distributed Control System output is more than pre- for analog input channel
If current range, if detecting, the electric current is more than predetermined current range, it is determined that there are bad points for the electric current, and export first
Digital signal is to quality judgment module；If detecting, the electric current is no more than predetermined current range, it is determined that the electric current is not deposited
In bad point, and the second digital signal is exported to quality judgment module.
If quality judgment module receives the first digital signal, it is determined that the electric current of Distributed Control System output is more than default
Current range then exports on-off model, the electric current exported with trigger protection Distributed Control System；If receiving the second number letter
Number, it is determined that the electric current of Distributed Control System output is no more than predetermined current range, then does not export on-off model.
Above-described embodiment, one detects that the digital signal of analog input channel output is the first digital signal, it is determined that
The electric current of Distributed Control System output is more than predetermined current range, and exports on-off model with trigger protection Distributed Control System
The electric current of output is realized by the way that whether detection digital signal is that the first digital signal can determine whether what Distributed Control System exported
Whether electric current is more than predetermined current range, has reached detection electric current and has been easy, and the high technical effect of detection accuracy overcomes traditional electricity
Stream detection method haves the defects that detection difficult and detection accuracy are low.
In one embodiment, as shown in figure 4, providing a kind of electric current detecting method, comprising the following steps:
Step S401 receives the electric current of Distributed Control System output.
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal by step S402.
Step S403 exports the digital signal to preset module；The quality module is for detecting the number
Whether word signal is the first digital signal, if detecting, the digital signal is the first digital signal, it is determined that the electric current is super
Predetermined current range is crossed, and exports preset switches amount signal.
Step S404 broadcasts the preset switches amount signal of the quality module output, and the on-off model is for triggering
Preset current protection mechanism protects the electric current of the Distributed Control System output.
The corresponding analog signal of electric current that Distributed Control System exports is converted to corresponding number and believed by above-described embodiment
Number, if detecting, digital signal is the first digital signal, it is determined that the electric current of output is more than predetermined current range, exports switching value
Signal, and on-off model is broadcasted, with the electric current of trigger current protection mechanism protection Distributed Control System output, i.e., one
Detecting that digital signal is the first digital signal, it is determined that the electric current of Distributed Control System output is more than predetermined current range, and
On-off model is exported, on-off model is broadcasted, with the electric current that trigger protection Distributed Control System exports, is realized logical
Cross whether detection digital signal is the first digital signal can determine whether the electric current of Distributed Control System output is more than default electricity
Range is flowed, has reached detection electric current and has been easy, the high technical effect of detection accuracy overcomes conventional current detection method and there is detection
Difficult and low detection accuracy defect.
In one embodiment, above-mentioned steps S403, whether the detection digital signal is the first digital signal
Step, comprising: according to predetermined period, detect whether the digital signal is the first digital signal.Above-described embodiment, according to default
Period detects whether the digital signal is the first digital signal, and fast response time can quickly judge Distributed Control System
Whether the electric current of output is more than predetermined current range, is provided convenience to determine whether to export on-off model.
In one embodiment, above-mentioned steps S403, detect the digital signal whether be the first digital signal step
After rapid, further includes: if detecting, the digital signal is the second digital signal, does not export the on-off model.It is above-mentioned
Embodiment, if detecting, the digital signal is the second digital signal, it is determined that the electric current of Distributed Control System output is no more than
Predetermined current range, does not export on-off model, realizes the detection simply easy effect of electric current, further improves detection electricity
Precision is flowed, facilitates and subsequent takes corresponding current protection measures.
In one embodiment, above-mentioned steps S404 is broadcasting the preset switches amount signal of the quality module output
After step, further includes: triggered and alarmed according to the preset switches amount signal.Above-described embodiment is triggered according to on-off model
Alarm, can remind staff to take safeguard measure in time
In one embodiment, above-mentioned steps S404 is broadcasting the preset switches amount signal of the quality module output
After step, further includes: according to the preset switches amount signal trigger current protection act.Above-described embodiment, according to switching value
Signal trigger current protection act can protect the electric current of Distributed Control System output, avoid influencing Distributed Control System just
Often work.
In one embodiment, as shown in figure 5, providing another electric current detecting method, comprising the following steps:
Step S501 receives the electric current of Distributed Control System output.
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal by step S502.
Step S503 exports the digital signal to preset module；The quality module is for detecting the number
Whether word signal is the first digital signal, if detecting, the digital signal is the first digital signal, it is determined that the electric current is super
Predetermined current range is crossed, and exports preset switches amount signal.
Step S504 broadcasts the preset switches amount signal of the quality module output, and the on-off model is for triggering
Preset current protection mechanism protects the electric current of the Distributed Control System output.
Step S505 triggers alarm according to the preset switches amount signal and/or current protection acts.
Above-described embodiment, one detects that digital signal is the first digital signal, it is determined that the electricity of Distributed Control System output
Stream is more than predetermined current range, and exports on-off model, and on-off model is broadcasted, with the collecting and distributing control system of trigger protection
The electric current of system output is realized by the way that whether detection digital signal is that the first digital signal can determine whether that Distributed Control System exports
Electric current whether be more than predetermined current range, reached detection electric current be easy, the high technical effect of detection accuracy overcomes tradition
Electric current detecting method haves the defects that detection difficult and detection accuracy are low.It realizes simultaneously according to on-off model trigger protection collection
The effect for dissipating the electric current of control system output, avoid that the electric current can not be protected in time and the defect that causes accident.
It should be understood that although each step in the flow chart of Fig. 4-5 is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 4-5
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
In one embodiment, as shown in fig. 6, providing a kind of current detection means, described device includes: current receiv
Unit 610, signal conversion unit 620, signal input unit 630 and switching value radio unit 640, in which:
Current receiv unit 610, for receiving the electric current of Distributed Control System output.
Signal conversion unit 620 is believed for the corresponding analog signal of the electric current of the output to be converted to corresponding number
Number.
Signal input unit 630, for exporting the digital signal to preset module；The quality module is used for
Detect whether the digital signal is the first digital signal, the digital signal is the first digital signal if detecting, it is determined that
The electric current is more than predetermined current range, and exports preset switches amount signal.
Switching value radio unit 640, for broadcasting the preset switches amount signal of the quality module output；The switching value
Signal is used to trigger the electric current that preset current protection mechanism protects the Distributed Control System output.
In one embodiment, the signal input unit is also used to according to predetermined period, and detecting the digital signal is
No is the first digital signal.
In one embodiment, the current detection means further includes digital signal output unit, single for signal input
Member detects after whether the digital signal be the first digital signal, if detecting, the digital signal is the second digital signal,
The on-off model is not exported then.
In one embodiment, the current detection means further includes current protection unit, is used for switching value radio unit
After the preset switches amount signal for broadcasting the quality module output, is triggered and alarmed according to the preset switches amount signal.
In one embodiment, it is defeated to be also used to the switching value radio unit broadcast quality module for the current protection unit
After preset switches amount signal out, according to the preset switches amount signal trigger current protection act.
Above-mentioned each embodiment, the corresponding analog signal conversion of the electric current that current detection means exports Distributed Control System
At corresponding digital signal, if detecting, digital signal is the first digital signal, it is determined that the electric current of output is more than predetermined current
Range exports on-off model, and on-off model is broadcasted, and protects Distributed Control System with trigger current protection mechanism
The electric current of output, i.e., one detect digital signal be the first digital signal, it is determined that Distributed Control System output electric current be more than
Predetermined current range, and on-off model is exported, on-off model is broadcasted, with the output of trigger protection Distributed Control System
Electric current, realize by detection digital signal whether be the first digital signal can determine whether Distributed Control System export electric current
Whether it is more than predetermined current range, has reached detection electric current and be easy, the high technical effect of detection accuracy overcomes conventional current inspection
Survey method haves the defects that detection difficult and detection accuracy are low.
In one embodiment, as shown in fig. 7, providing another current detection means, described device includes: that electric current connects
Unit 710, signal conversion unit 720, signal input unit 730, switching value radio unit 740 and current protection unit 750 are received,
Wherein:
Current receiv unit 710, for receiving the electric current of Distributed Control System output；
Signal conversion unit 720 is believed for the corresponding analog signal of the electric current of the output to be converted to corresponding number
Number；
Signal input unit 730, for exporting the digital signal to preset module；The quality module is used for
Detect whether the digital signal is the first digital signal, the digital signal is the first digital signal if detecting, it is determined that
The electric current is more than predetermined current range, and exports preset switches amount signal；
Switching value radio unit 740, for broadcasting the preset switches amount signal of the quality module output；The switching value
Signal is used to trigger the electric current that preset current protection mechanism protects the Distributed Control System output.
Current protection unit 750, for triggering alarm and/or current protection movement according to the preset switches amount signal.
Above-described embodiment, current detection means one detect that digital signal is the first digital signal, it is determined that collecting and distributing control
The electric current of system output is more than predetermined current range, and exports on-off model, and on-off model is broadcasted, and is protected with triggering
The electric current for protecting Distributed Control System output, realizes whether to be that the first digital signal can determine whether by detection digital signal collecting and distributing
Whether the electric current of control system output is more than predetermined current range, has reached detection electric current and has been easy, the high technology effect of detection accuracy
Fruit overcomes conventional current detection method and haves the defects that detection difficult and detection accuracy are low.It realizes simultaneously according to switching value
The effect of the electric current of signal trigger protection Distributed Control System output, avoids not protecting the electric current in time and causing accident
Defect.
Specific about current detection means limits the restriction that may refer to above for electric current detecting method, herein not
It repeats again.Modules in above-mentioned current detection means can be realized fully or partially through software, hardware and combinations thereof.On
Stating each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also store in a software form
In memory in computer equipment, the corresponding operation of the above modules is executed in order to which processor calls.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory
Computer program, the processor perform the steps of the electric current for receiving Distributed Control System output when executing computer program；It will
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal；The digital signal is exported to preset
Module；The quality module is for detecting whether the digital signal is the first digital signal, if detecting the digital signal
For the first digital signal, it is determined that the electric current is more than predetermined current range, and exports preset switches amount signal；Broadcast the product
The preset switches amount signal of matter module output, the on-off model protect the collection for triggering preset current protection mechanism
Dissipate the electric current of control system output.
In one embodiment, it is also performed the steps of when processor executes computer program according to predetermined period, detection
Whether the digital signal is the first digital signal.
In one embodiment, it is also performed the steps of when processor executes computer program and is detecting the number letter
After number whether being the first digital signal, if detecting, the digital signal is the second digital signal, does not export the switch
Measure signal.
In one embodiment, it is also performed the steps of when processor executes computer program and is broadcasting the quality mould
After the preset switches amount signal of block output, is triggered and alarmed according to the preset switches amount signal.
In one embodiment, it is also performed the steps of when processor executes computer program and is broadcasting the quality mould
After the preset switches amount signal of block output, according to the preset switches amount signal trigger current protection act.
Above-mentioned each embodiment, computer equipment are realized and are passed through by the computer program run on the processor
Whether the digital signal for detecting output is the first digital signal can determine whether the electric current of Distributed Control System output is more than pre-
If current range, detection electric current is reached and has been easy, the high technical effect of detection accuracy overcomes the presence of conventional current detection method
Detection difficult and the low defect of detection accuracy.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of the electric current for receiving Distributed Control System output when being executed by processor；By the electric current of the output
Corresponding analog signal is converted to corresponding digital signal；The digital signal is exported to preset module；The quality
Module is for detecting whether the digital signal is the first digital signal, if detecting, the digital signal is the first number letter
Number, it is determined that the electric current is more than predetermined current range, and exports preset switches amount signal；Broadcast the quality module output
Preset switches amount signal, the on-off model protect the Distributed Control System defeated for triggering preset current protection mechanism
Electric current out.
In one embodiment, it is also performed the steps of when computer program is executed by processor according to predetermined period, inspection
Survey whether the digital signal is the first digital signal.
In one embodiment, it is also performed the steps of when computer program is executed by processor and is detecting the number
After whether signal is the first digital signal, if detecting, the digital signal is the second digital signal, does not export described open
Measure signal in pass.
In one embodiment, it is also performed the steps of when computer program is executed by processor and is broadcasting the quality
After the preset switches amount signal of module output, is triggered and alarmed according to the preset switches amount signal.
In one embodiment, it is also performed the steps of when computer program is executed by processor and is broadcasting the quality
After the preset switches amount signal of module output, according to the preset switches amount signal trigger current protection act.
Above-mentioned each embodiment, the computer program that computer readable storage medium is stored by it, realizes and passes through inspection
Whether the digital signal for surveying output is the first digital signal can determine whether the electric current of Distributed Control System output is more than default
Current range has reached detection electric current and has been easy, and the high technical effect of detection accuracy overcomes conventional current detection method and there is inspection
Survey difficult and low detection accuracy defect.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of current detecting system characterized by comprising Analog input mModule, quality module and switching value broadcast mould
Block, the input terminal of the quality module connect the output end of the Analog input mModule, and the output end of the quality module connects
Connect the input terminal of the switching value broadcast module；The input terminal of the Analog input mModule is for connecting Distributed Control System
Analog output end；
The Analog input mModule is used to receive the electric current of Distributed Control System output, by the corresponding mould of the electric current of the output
Quasi- signal is converted to corresponding digital signal, and the digital signal is exported to the quality module；The quality module is used
It whether is the first digital signal in detecting the digital signal, if so, determining that the electric current of the output is more than predetermined current model
It encloses, and exports on-off model to the switching value broadcast module；The switching value broadcast module is for broadcasting the switching value
Signal, to trigger the electric current that preset current protection mechanism protects the Distributed Control System output.
2. current detecting system according to claim 1, which is characterized in that it further include overcurrent protection module, the electric current
The input terminal of protective module connects the output end of the switching value broadcast module, alarms for being triggered according to the on-off model
And/or current protection movement；
And/or
The quality module is specifically used for, and according to predetermined period, detects whether the digital signal is the first digital signal.
3. current detecting system according to claim 2, which is characterized in that the quality module is also used to detect described
Digital signal is the second digital signal, then does not export the on-off model.
4. a kind of electric current detecting method, which comprises the following steps:
Receive the electric current of Distributed Control System output；
The corresponding analog signal of the electric current of the output is converted to corresponding digital signal；
The digital signal is exported to preset module；The quality module is for detecting whether the digital signal is the
One digital signal, if detecting, the digital signal is the first digital signal, it is determined that the electric current is more than predetermined current range,
And export preset switches amount signal；
The preset switches amount signal of the quality module output is broadcasted, the on-off model is for triggering preset current protection
Mechanism protects the electric current of the Distributed Control System output.
5. electric current detecting method according to claim 4, which is characterized in that whether the detection digital signal is the
The step of one digital signal, comprising:
According to predetermined period, detect whether the digital signal is the first digital signal.
6. electric current detecting method according to claim 5, which is characterized in that detecting the digital signal whether be first
After the step of digital signal, further includes:
If detecting, the digital signal is the second digital signal, does not export the on-off model.
7. according to the described in any item electric current detecting methods of claim 4 to 6, which is characterized in that broadcasting the quality module
After the step of preset switches amount signal of output, further includes:
Alarm and/or current protection movement are triggered according to the preset switches amount signal.
8. a kind of current detection means, which is characterized in that described device includes:
Current receiv unit, for receiving the electric current of Distributed Control System output；
Signal conversion unit, for the corresponding analog signal of the electric current of the output to be converted to corresponding digital signal；
Signal input unit, for exporting the digital signal to preset module；The quality module is for detecting institute
State whether digital signal is the first digital signal, the digital signal is the first digital signal if detecting, it is determined that the electricity
Stream is more than predetermined current range, and exports preset switches amount signal；
Switching value radio unit, for broadcasting the preset switches amount signal of the quality module output；The on-off model is used
The electric current of the Distributed Control System output is protected in the preset current protection mechanism of triggering.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In when the processor executes the computer program the step of method described in any one of realization claim 4 to 7.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claim 4 to 7 is realized when being executed by processor.
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| CN201811109409.1A CN109342803A (en) | 2018-09-21 | 2018-09-21 | Current detecting system, method, apparatus, computer equipment and storage medium |
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