CN108010286A - A kind of analog quantity off-limit alarm method and apparatus - Google Patents
A kind of analog quantity off-limit alarm method and apparatus Download PDFInfo
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- CN108010286A CN108010286A CN201710986956.7A CN201710986956A CN108010286A CN 108010286 A CN108010286 A CN 108010286A CN 201710986956 A CN201710986956 A CN 201710986956A CN 108010286 A CN108010286 A CN 108010286A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/001—Alarm cancelling procedures or alarm forwarding decisions, e.g. based on absence of alarm confirmation
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Abstract
The invention discloses a kind of analog quantity off-limit alarm method and apparatus, a large amount of repetitions of alarms that analog quantity shake can be avoided to produce.The described method includes：For the out-of-limit buffering area of analog quantity threshold settings；Record current alerts state；When detection analog value crosses the border of the out-of-limit buffering area, according to current alerts state, it is determined whether triggering recovers alarm.Described device includes setup module, logging modle and detection module.Present invention method inhibits unnecessary analog quantity shake alarm, and alleviating the overall of system by the alarm of suppression part bears, and reduces the probability that system produces avalanche effect due to alarming.
Description
Technical field
The present invention relates to automatic control technology field, espespecially a kind of analog quantity off-limit alarm method and apparatus.
Background technology
Automatic control technology refers to equipment or production process in the case where being not required to very important person's direct intervention, real to production process
Now detect, control, optimization, scheduling, management and decision-making, reach increase yield, improve quality, reduce consumption, ensure the mesh such as safely
Integrated technology.It is one of most important technology in modern manufacturing field, no matter high speed high-volume manufacturing enterprise or
Pursue flexible, flexible and customization enterprise, it is necessary to improve production efficiency by the application of automatic technology.
Automatic control system mainly includes hardware device and software systems two parts, and wherein hardware device is system to production
The basis that process is detected and controls, software systems on this basis to production process carry out Advance data quality, scheduling, management and
Decision-making.Software systems carry out synthesis display by friendly man-machine interface to the information collected, and the state of important information is become
Change can generate alarm to prompt user to pay attention to.
The information of automatic control system detection mainly includes digital quantity and analog quantity two types, the change of general digital quantity
There is corresponding alarm generation, analog quantity can be regarded as consecutive variations compared with digital quantity, so general analog quantity report
Police be according to the limit value of setting carry out off-limit alarm, such as temperature should between 25 DEG C~30 DEG C, voltage should 210V~
Between 230V, prompted if it exceeds this scope should then produce alarm.
In common automatic control system, analog quantity can get over limit value generation alarm according to the alarm of setting, and there are following for this
Railway Project：1) analog quantity that collects is it sometimes appear that the phenomenon of shake, if such case is strictly reported by more limit value
It is alert then the alarm largely repeated can be produced the short time, disturb the normal use of user；2) a large amount of alarms are likely to result in system hair
Raw avalanche effect, causes systemic breakdown.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of analog quantity off-limit alarm method and apparatus, can keep away
Exempt from a large amount of repetitions of alarms that analog quantity shake produces.
In order to reach the object of the invention, the present invention provides a kind of analog quantity off-limit alarm method, including：
For the out-of-limit buffering area of analog quantity threshold settings；
Record current alerts state；
When detection analog value crosses the border of the out-of-limit buffering area, according to current alerts state, it is determined whether triggering
Or recover alarm.
Further, the detection analog value is when crossing the border of the out-of-limit buffering area, according to current alerts state,
Determine whether to trigger or recover alarm, including：
When detection analog value exceedes the upper limit value of the out-of-limit buffering area, judge that current alerts state is extensive if alarming
Multiple, then triggering alarm, record current alerts state produces for alarm；Or
When detection analog value is less than the lower limit of the out-of-limit buffering area, judge that current alerts state is produced if alarm
It is raw, then recover alarm, record current alerts state is recovered for alarm.
Further, the detection analog value is when crossing the border of the out-of-limit buffering area, according to current alerts state,
Determine whether to trigger or recover alarm, further include：
When detection analog value exceedes the upper limit value of the out-of-limit buffering area, judge that current alerts state is produced if alarm
It is raw, then keep current alerts state constant；Or
When detection analog value is less than the lower limit of the out-of-limit buffering area, judge that current alerts state is extensive if alarming
It is multiple, then keep current alerts state constant.
Further, the detection analog value is when crossing the border of the out-of-limit buffering area, according to current alerts state,
Determine whether to trigger or recover alarm, further include：
When detection analog value is less than the upper limit value of the out-of-limit buffering area, keep current alerts state constant；Or
When detection analog value is higher than the lower limit of the out-of-limit buffering area, keep current alerts state constant.
In order to reach the object of the invention, present invention also offers a kind of analog quantity off-limit alarm device, described device includes
Setup module, logging modle and detection module, wherein：
The setup module, for for the out-of-limit buffering area of analog quantity threshold settings；
The logging modle, for recording current alerts state；
The detection module, when crossing the border of the out-of-limit buffering area for detecting analog value, according to current alerts
State, it is determined whether triggering recovers alarm.
Further, when the detection module exceedes the upper limit value of the out-of-limit buffering area for detecting analog value, sentence
Disconnected current alerts state is recovered if alarm, then triggering alarm；And it is less than the out-of-limit buffering for detecting analog value
During the lower limit in area, judge that current alerts state is produced if alarm, then recover alarm.
Further, the detection module be additionally operable to detection analog value exceed the out-of-limit buffering area upper limit value when,
Judge that current alerts state is produced if alarm, then keep current alerts state constant；It is and low for detecting analog value
When the lower limit of the out-of-limit buffering area, judge that current alerts state is recovered if alarm, then keep current alerts state
It is constant.
Further, the detection module be additionally operable to detection analog value be less than the out-of-limit buffering area upper limit value when,
Keep current alerts state constant；And for detect analog value be higher than the out-of-limit buffering area lower limit when, keep work as
Preceding alarm condition is constant.
Present invention method inhibits unnecessary analog quantity shake alarm, makes the warning message more intelligence in system
Energyization, more it is succinct effectively.And normal warning message will not be suppressed again while unnecessary alarm is suppressed, including simulation
Measure the alarm of wave crest, valley value.The overall burden of system is alleviated by suppressing part alarm, reduces system since alarm is produced
The probability of raw avalanche effect.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and attached drawing.
Brief description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application is used to explain technical scheme together, does not form the limitation to technical solution of the present invention.
Fig. 1 is one method flow diagram of the embodiment of the present invention；
Fig. 2 is two devices structure diagram of the embodiment of the present invention；
Fig. 3 applies exemplary plot for the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where there is no conflict, in the embodiment and embodiment in the application
Feature can mutually be combined.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
Perform.Also, although logical order is shown in flow charts, in some cases, can be with suitable different from herein
Sequence performs shown or described step.
Embodiment one
The present embodiment describes a kind of analog quantity off-limit alarm method, as shown in Figure 1, including：
Step 11, it is the out-of-limit buffering area of analog quantity threshold settings；
Step 12, current alerts state is recorded；
Step 13, detection analog value is when crossing the border of the out-of-limit buffering area, according to current alerts state, determine be
No triggering or recovery alarm.
Above-mentioned steps 12 are with step 13 without fixed sequencing.
The present embodiment proposes the concept of the out-of-limit buffering area of analog value, and out-of-limit buffering area is fluctuated based on limit value
Generation, it can be selected suitably to float according to the characteristic of analog value, float downward percentage (or directly specifying float value), also
Actual adjustment can be done according to the fluctuation situation of analog quantity.For example, if the analog quantity of current type, fluctuation range compare
Greatly, the scope of out-of-limit buffering area can suitably be relaxed；If the analog quantity of voltage type, fluctuation range is relatively small, then
The scope of buffering area can be suitably reduced, can also only be floated to a direction.
The border of out-of-limit buffering area refers to out-of-limit buffering area upper limit value (maximum) or out-of-limit buffering area lower limit (minimum value).
Analog value scope can be divided into 3 sections after out-of-limit buffer generation, in addition to out-of-limit buffering area, less than out-of-limit buffering area
The region of lower limit is normal value area, and the region more than the upper limit value of out-of-limit buffering area is off-limit alarm area.Buffered by setting
Area, and alarm condition before analysis contrast before each alarm (including produce, recover) determine whether triggering alarm again,
The repetition of alarms that the fluctuation of analog value produces in buffering area can be filtered out.
Further, above-mentioned steps 13 specifically include：
When detection analog value exceedes the upper limit value of the out-of-limit buffering area, judge that current alerts state is extensive if alarming
Multiple, then triggering alarm, record current alerts state produces for alarm；Or
When detection analog value is less than the lower limit of the out-of-limit buffering area, judge that current alerts state is produced if alarm
It is raw, then recover alarm, record current alerts state is recovered for alarm.
Further, above-mentioned steps 13 further include：
When detection analog value exceedes the upper limit value of the out-of-limit buffering area, judge that current alerts state is produced if alarm
It is raw, then keep current alerts state constant；Or
When detection analog value is less than the lower limit of the out-of-limit buffering area, judge that current alerts state is extensive if alarming
It is multiple, then keep current alerts state constant.
Further, above-mentioned steps 13 further include：
When detection analog value is less than the upper limit value of the out-of-limit buffering area, keep current alerts state constant；Or
When detection analog value is higher than the lower limit of the out-of-limit buffering area, keep current alerts state constant.
Analog quantity has been carried out part in the alarm that generation is more shaken near limit value and suppressed by the embodiment of the present invention, but will not
Normal off-limit alarm is filtered out, and the off-limit alarm that the instantaneous Wave crest and wave trough of analog quantity produces also can be generated normally, make from
The human-computer interaction of dynamicization system is more intelligent, efficient, reduces the burden of system, improves the ease for use of system.
Embodiment two
The present embodiment describes to realize the analog quantity off-limit alarm device of one method of embodiment, and the description in embodiment one is to this
Embodiment is also suitable.As shown in Fig. 2, described device includes setup module 21, logging modle 22 and detection module 23, wherein：
Setup module 21, for for the out-of-limit buffering area of analog quantity threshold settings；
Logging modle 22, for recording current alerts state；
Detection module 23, when crossing the border of the out-of-limit buffering area for detecting analog value, according to current alerts shape
State, it is determined whether triggering recovers alarm.
Further, when the detection module 23 exceedes the upper limit value of the out-of-limit buffering area for detecting analog value,
Judge that current alerts state is recovered if alarm, then triggering alarm；It is and out-of-limit slow less than described for detecting analog value
When rushing the lower limit in area, judge that current alerts state is produced if alarm, then recover alarm.
Further, the detection module 23 is additionally operable to the upper limit value that detection analog value exceedes the out-of-limit buffering area
When, judge that current alerts state is produced if alarm, then keep current alerts state constant；And for detecting analog value
Less than the out-of-limit buffering area lower limit when, judge current alerts state if alarm recover, then keep current alerts shape
State is constant.
Further, the detection module 23 is additionally operable to the upper limit value that detection analog value is less than the out-of-limit buffering area
When, keep current alerts state constant；And for detect analog value be higher than the out-of-limit buffering area lower limit when, keep
Current alerts state is constant.
Using example
5% is fluctuated to be illustrated exemplified by out-of-limit buffering area by analog quantity threshold value in this example, as shown in figure 3,
Curve shown in figure represents the fluctuation of analog value.4 curves are shown in figure, represent several feelings of analogue value fluctuation respectively
Condition.
A few place's scenes that out-of-limit buffering area border is crossed to the realistic simulation value occurred in Fig. 3 below are said respectively
It is bright.
Scene is 1.：In curve 1, when realistic simulation value, which exceedes, crosses the border buffering area lower limit, current alerts state is constant, still
Recover for alarm.When analog value continues to increase, until more than cross the border the buffering area upper limit when (point 1. position), due to this alarm
State is recovered for alarm, therefore triggers alarm, i.e. alarm produces；
Scene is 2.：In curve 1, when realistic simulation value is gradually reduced, less than cross the border the buffering area upper limit when (point 2. position),
Due to being to enter from alarm generation state in out-of-limit buffering area at this time, so alarm condition does not change；
Scene is 3.：In curve 1, when realistic simulation value continues to reduce, less than cross the border buffering area lower limit when (point 3. position),
Since alarm condition produces for alarm at this time, then recover alarm, i.e. alarm recovers；
Scene is 4.：In curve 2, (4. position is put) when realistic simulation value, which exceedes, crosses the border buffering area lower limit, i.e., from normal
Area enters out-of-limit buffering area, and current alerts state is constant, still recovers for alarm；
Scene is 5.：In curve 2, (5. position is put) when realistic simulation value, which is less than, crosses the border buffering area lower limit, due at this time
Alarm condition is recovered for alarm, then current alerts state is constant, still recovers for alarm；
Scene is 6.：In curve 3, (6. position is put) when realistic simulation value, which is less than, crosses the border the buffering area upper limit, i.e., from out-of-limit
Area enters out-of-limit buffering area, and current alerts state is constant, is still generation state of alarming；
It is alarm when analog value exceedes the upper limit value of out-of-limit buffering area and alarm condition using one method of above-described embodiment
Recover alarm to produce, when analog value had produced alarm originally, and analog value becomes smaller than the lower limit of out-of-limit buffering area
It is worth alarm to recover.By curve in Fig. 32 and curve 3, it is apparent that reducing alarm times, the burden of system is alleviated.
Although disclosed herein embodiment as above, the content be only readily appreciate the present invention and use
Embodiment, is not limited to the present invention.Technical staff in any fields of the present invention, is taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (8)
- A kind of 1. analog quantity off-limit alarm method, it is characterised in that including：For the out-of-limit buffering area of analog quantity threshold settings；Record current alerts state；When detection analog value crosses the border of the out-of-limit buffering area, according to current alerts state, it is determined whether triggering is extensive Multiple alarm.
- 2. according to the method described in claim 1, it is characterized in that,When the detection analog value crosses the border of the out-of-limit buffering area, according to current alerts state, it is determined whether triggering Or recover alarm, including：When detection analog value exceedes the upper limit value of the out-of-limit buffering area, judge that current alerts state is recovered if alarm, Then triggering alarm, record current alerts state produce for alarm；OrWhen detection analog value is less than the lower limit of the out-of-limit buffering area, judge that current alerts state is produced if alarm, Then recover alarm, record current alerts state is recovered for alarm.
- 3. according to the method described in claim 2, it is characterized in that,When the detection analog value crosses the border of the out-of-limit buffering area, according to current alerts state, it is determined whether triggering Or recover alarm, further include：When detection analog value exceedes the upper limit value of the out-of-limit buffering area, judge that current alerts state is produced if alarm, Then keep current alerts state constant；OrWhen detection analog value is less than the lower limit of the out-of-limit buffering area, judge that current alerts state is recovered if alarm, Then keep current alerts state constant.
- 4. according to the method in claim 2 or 3, it is characterised in thatWhen the detection analog value crosses the border of the out-of-limit buffering area, according to current alerts state, it is determined whether triggering Or recover alarm, further include：When detection analog value is less than the upper limit value of the out-of-limit buffering area, keep current alerts state constant；OrWhen detection analog value is higher than the lower limit of the out-of-limit buffering area, keep current alerts state constant.
- 5. a kind of analog quantity off-limit alarm device, it is characterised in that described device includes setup module, logging modle and detection mould Block, wherein：The setup module, for for the out-of-limit buffering area of analog quantity threshold settings；The logging modle, for recording current alerts state；The detection module, when crossing the border of the out-of-limit buffering area for detecting analog value, according to current alerts state, Determine whether to trigger or recover alarm.
- 6. device according to claim 5, it is characterised in thatWhen the detection module exceedes the upper limit value of the out-of-limit buffering area for detecting analog value, current alerts state is judged Recover if alarm, then triggering alarm；And for detect analog value be less than the out-of-limit buffering area lower limit when, sentence Disconnected current alerts state is produced if alarm, then recovers alarm.
- 7. device according to claim 6, it is characterised in thatThe detection module be additionally operable to detection analog value exceed the out-of-limit buffering area upper limit value when, judge current alerts shape State is produced if alarm, then keeps current alerts state constant；And it is less than the out-of-limit buffering for detecting analog value During the lower limit in area, judge that current alerts state is recovered if alarm, then keep current alerts state constant.
- 8. the device according to claim 6 or 7, it is characterised in thatThe detection module be additionally operable to detection analog value be less than the out-of-limit buffering area upper limit value when, keep current alerts shape State is constant；And for detect analog value be higher than the out-of-limit buffering area lower limit when, keep current alerts state it is constant.
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Cited By (3)
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| CN112598344A (en) * | 2019-09-16 | 2021-04-02 | 北京京东振世信息技术有限公司 | Dynamic adjusting method and device for temperature alarm interval, electronic equipment and medium |
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| CN113485281A (en) * | 2021-09-07 | 2021-10-08 | 西安热工研究院有限公司 | Method and system for generating measuring point alarm and reset information in background of distributed control system |
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