CN106092176A - A kind of humidity sensor intelligent checking system - Google Patents
A kind of humidity sensor intelligent checking system Download PDFInfo
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- CN106092176A CN106092176A CN201610587387.4A CN201610587387A CN106092176A CN 106092176 A CN106092176 A CN 106092176A CN 201610587387 A CN201610587387 A CN 201610587387A CN 106092176 A CN106092176 A CN 106092176A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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Abstract
The invention discloses a kind of humidity sensor intelligent checking system, including: collecting unit, display unit, alarm unit, time quantum, control unit；Collecting unit is for gathering the humidity value of measurand；Display unit is for showing the information that control unit sends；Alarm unit is for the instruction alert according to control unit；Control unit obtains temporal information by time quantum；Control unit is respectively in the collection result obtaining collecting unit the most in the same time, and the collection result of nearly twice compares, when comparative result is normal, control unit calculates the actual humidity value of measurand by the collection result of collecting unit, and the transmission of actual humidity value is shown to display unit；When comparative result exception, the collection result of collecting unit is analyzed by control unit, draws abnormal reason, and abnormal reason transmission is shown to display unit, sends instruction to alarm unit simultaneously.
Description
Technical field
The present invention relates to sensing system technical field, particularly relate to a kind of humidity sensor intelligent checking system.
Background technology
Humidity sensor is the basis that the physical effect relevant with humidity or chemical reaction can occur based on its functional material
Upper manufacture.Along with the departments such as industrial or agricultural are more and more higher to the requirement of product quality, the most just have increasing need for humidity is carried out sternly
Lattice monitoring and control.Nowadays, the detection of humidity and control technology have obtained extensively application, to humidity detection, the needs of control
Promote the progress to humidity sensor.
In actual application, suitable humidity sensor how is selected to need the virtual condition in view of measurand
Impact with environmental factors.And during detection, owing to environmental factors is relatively big on the impact of testing result, add humidity sensor
The qualitative factor of device itself also influences whether testing result, causes receiving when detecting the humidity of measurand a lot
Resistance.But ensure that the most basic mode of the accuracy of detection of detection process is for guaranteeing humidity sensor to be in normally to work shape
State, accordingly, it would be desirable to detect the working condition of humidity sensor, finds that humidity sensor exists exception or fault in time,
To remind relevant staff that the humidity sensor in time to exception or fault carries out inspection and maintenance, thus ensure whole detection
The integrity of process and reliability.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of humidity sensor intelligent checking system.
The humidity sensor intelligent checking system that the present invention proposes, including: collecting unit, display unit, alarm unit, time
Between unit, control unit；
Collecting unit, including three collecting devices, the respectively first collecting device, the second collecting device, the 3rd collection set
Standby；Above three collecting device is respectively used to gather the humidity value of measurand diverse location；And the collection result of collecting unit
Meansigma methods for the detected value of above three collecting device；
Display unit, for showing the information that control unit sends；
Alarm unit, for the instruction alert according to control unit；
Time quantum, communicates to connect with control unit, and control unit obtains temporal information by time quantum；
Control unit, with collecting unit, display unit, alarm unit communication connection；Control unit respectively t, 2t,
3t ... the nt moment obtains collection result W of collecting unit1、W2、W3……Wn, and by collection result W in mt momentmWith (m-1) t
Collection result W in momentm-1Compare, work as 9Wm-1/10≤Wm≤11Wm-1When/10, the collection in mt moment is tied by control unit
Really WmShow to display unit in the actual humidity value transmission in mt moment as measurand；Work as Wm<9Wm-1/ 10 or Wm>
11Wm-1When/10, control unit obtains the result of collecting unit in (m+1) t, and by three collecting devices of (m+1) t
Detected value W1(m+1)、W2(m+1)、W3(m+1)Detected value W with three collecting devices of (m-1) t1(m-1)、W2(m-1)、W3(m-1)Enter
Row compares, and calculates W1(m+1)With W1(m-1)Difference T1、W2(m+1)With W2(m-1)Difference T2、W3(m+1)With W3(m-1)Difference T3, and
By T1、T2、T3Compare with the preset difference value T of storage in control unit, work as T1> T time, control unit is by the first collecting device
Abnormal information transmission shows to display unit, and sends instruction to alarm unit, works as T2> T time, control unit is by second
The information transmission of collecting device exception shows to display unit, and sends instruction to alarm unit, works as T3> T time, control single
Information transmission abnormal for 3rd collecting device is shown by unit to display unit, and sends instruction to alarm unit；Wherein, 1
≤m≤n。
Preferably, the first collecting device in described collecting unit, the second collecting device, the 3rd collecting device are triangle
Shape is arranged.
Preferably, the first collecting device in described collecting unit, the second collecting device, the 3rd collecting device are linear
Arrange.
Preferably, the first collecting device in described collecting unit, the second collecting device, the 3rd collecting device are wet
Degree sensor.
Preferably, the first described collecting device be carbon dew cell, the second collecting device be aluminium oxide drimeter, the 3rd
Collecting device is Ceramic Humidity Sensor.
Preferably, described display unit uses LED display.
Preferably, described time quantum uses timer.
Preferably, described alarm unit uses audible-visual annunciator.
In the present invention, collecting unit includes three collecting devices, is respectively used to enter the humidity value of measurand diverse location
Row detection, by arranging three collecting devices and being separated by collecting device, is conducive to comprehensively collecting measurand different
The humidity value of position, sufficiently to analyze it and to calculate, it is ensured that accuracy of detection；Control unit is real in detection measurand
Also the duty of the collecting device in collecting unit is detected while the humidity value of border: control unit is respectively when difference
Carve the collection result obtaining collecting unit, and the testing result of the testing result in mt moment with (m-1) t compared,
If the difference of comparative result is in preset range, show the excursion of detected value of three collecting devices within normal range,
Now three collecting devices are in normal operating conditions, and control unit will detected value average of three collecting devices of mt moment
Value shows to display unit in the actual humidity value transmission in mt moment as measurand, carries out reference for user；
When the difference of comparative result is not in preset range, show the changing greatly, beyond normally of detected value of three collecting devices
Scope, for determining the different of the detected value of three collecting devices normally due to extraneous factor causes still due to three collecting devices certainly
Body failure factor causes, and control unit obtains the detected value of three collecting devices of (m+1) t, and by (m+1) t three
The detected value of collecting device compares with the detected value of three collecting devices of (m-1) t, when arbitrary in three collecting devices
Individual collecting device is more than preset difference value in the difference of the detected value in above-mentioned two moment, shows that this collecting device exists abnormal, phase
Closing staff to need to note this situation, now the information of abnormal collecting device is sent to display unit also by control unit
Sending instruction, alarm unit and display unit to alarm unit can remind relevant staff to recognize the event of collecting device in time
Barrier situation, and take measures targetedly, it is ensured that the normal operating conditions of collecting device, thus realize the work to humidity sensor
Carry out the purpose detected as state, ensure being smoothed out and improving accuracy of detection of whole detection process further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of humidity sensor intelligent checking system.
Detailed description of the invention
As it is shown in figure 1, a kind of humidity sensor intelligent checking system that Fig. 1 is the present invention to be proposed.
Reference Fig. 1, the humidity sensor intelligent checking system that the present invention proposes, including: collecting unit, display unit, report
Alert unit, time quantum, control unit；
Collecting unit, including three collecting devices, the respectively first collecting device, the second collecting device, the 3rd collection set
Standby；Above three collecting device is respectively used to gather the humidity value of measurand diverse location, with comprehensively to measurand
The humidity value of diverse location detects, it is ensured that detection comprehensive, thus improves control unit to three collecting device collections
The accuracy of result；And the meansigma methods of the detected value that the collection result of collecting unit is above three collecting device；
Further, the installation site of three collecting devices in collecting unit can be arranged according to practical situation, when
When the actual size of measurand or space are bigger, the first collecting device in described collecting unit, the second collecting device,
Three collecting devices can be arranged in triangular shape, to be acquired the humidity value of each position all sidedly；When the reality of measurand is big
Little or time space is less, the first collecting device, the second collecting device in described collecting unit, the 3rd collecting device can be in line
Shape is arranged, the still humidity value information to measurand diverse location when space or size are less, it is ensured that gather
The data of collecting unit collection are analyzed providing reliably with reference to depending on by the comprehensive and accuracy of data for control unit
According to.
The first collecting device in described collecting unit, the second collecting device, the 3rd collecting device are humidity sensor
Device；Further, the concrete specification of three collecting devices can be selected according to practical situation, and the such as first collecting device is optional
With carbon dew cell, the second collecting device can be selected for aluminium oxide drimeter, the 3rd collecting device can be selected for Ceramic Humidity Sensor,
By three collecting devices being selected the humidity sensor of different size, be conducive to by the humidity sensor of different size quilt
The humidity value surveying object diverse location is acquired, it is ensured that the precision of gatherer process and the effectiveness of collection data.
Display unit, for showing the information that control unit sends；Described display unit uses LED display, can be clear
The information that clear complete display control unit sends, facilitates user to watch.
Alarm unit, for the instruction alert according to control unit；Described alarm unit uses acousto-optic report
Alert device, can in terms of audition and vision two to relevant staff to stimulate, fully ensure that above-noted persons recognize that collection is single
There is the situation of fault in the collecting device in unit, is conducive to reminding relevant staff to adopt remedial measures in time.
Time quantum, communicates to connect with control unit, and control unit obtains temporal information by time quantum；Time described
Between unit use timer.
Control unit, with collecting unit, display unit, alarm unit communication connection；Control unit respectively t, 2t,
3t ... the nt moment obtains collection result W of collecting unit1、W2、W3……Wn, and by collection result W in mt momentmWith (m-1) t
Collection result W in momentm-1Compare, to verify whether the collection result of mt moment collecting unit occurs abnormal conditions, when
9Wm-1/10≤Wm≤11Wm-1When/10, show that the excursion of collection result of mt moment collecting unit, in preset range, belongs to
Floating in normal, now control unit is by collection result W in mt momentmSend out in the actual humidity value in mt moment as measurand
Deliver to display unit show, carry out reference for user；Work as Wm<9Wm-1/ 10 or Wm>11Wm-1When/10, show the mt moment
Changing greatly of the collection result of collecting unit, beyond preset range, it is understood that there may be abnormal conditions, for checking collecting unit
Collection result is because being affected or affecting due to the failure factor of collecting unit own by extraneous factor, and control unit is at (m
+ 1) t obtains the result of collecting unit, and by the detected value W of three collecting devices of (m+1) t1(m+1)、W2(m+1)、
W3(m+1)Detected value W with three collecting devices of (m-1) t1(m-1)、W2(m-1)、W3(m-1)Compare, calculate W1(m+1)With
W1(m-1)Difference T1、W2(m+1)With W2(m-1)Difference T2、W3(m+1)With W3(m-1)Difference T3, and by T1、T2、T3With control unit
The preset difference value T of interior storage compares, and to verify whether three collecting devices in collecting unit exist fault, works as T1>T
Time, show after the t time, the excursion of the detected value of the first collecting device in collecting unit is still beyond default model
Enclose, belong to abnormal conditions, then the first collecting device there may be exception, and now control unit is by letter abnormal for the first collecting device
Breath transmission shows to display unit, and sends instruction to alarm unit, above-mentioned in order to remind relevant staff to notice
Situation also takes measures in time；Work as T2> T time, show the detected value of the second collecting device after the t time still beyond just
Often domain of walker, the second collecting device there may be fault, for guaranteeing that relevant staff recognizes this abnormal conditions, controls single
Information transmission abnormal for second collecting device is shown by unit to display unit, and sends instruction to alarm unit；Work as T3>T
Time, show after the t time, the detected value of the 3rd collecting device is still beyond normal domain of walker, then the 3rd collecting device is originally
Body there may be functional fault, and now information transmission abnormal for the 3rd collecting device is shown by control unit to display unit
Show, and send instruction to alarm unit, be conducive to reminding relevant staff to recognize above-mentioned abnormal conditions in time, to adopt in time
Take protective measure targetedly, thus the normal operating conditions of collecting device in ensureing collecting unit；Wherein, 1≤m≤n.As
This, control unit is obtaining the collection result of collecting unit respectively the most in the same time, and by being analyzed sentencing to collection result
Whether three collecting devices in disconnected collecting unit are in normal operating conditions, thus realize the reality to collecting device duty
Time detection, it is ensured that it is in normal operating conditions.
It should be noted that for ensureing unicity when comparing two numerical value, control unit is to two numerical value
When carrying out mathematic interpolation, result of calculation is the absolute value of the difference of two numerical value, and the difference making two numerical value is positive number, it is ensured that ratio
The accuracy of relatively process.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (8)
1. a humidity sensor intelligent checking system, it is characterised in that including: collecting unit, display unit, alarm unit,
Time quantum, control unit；
Collecting unit, including three collecting devices, the respectively first collecting device, the second collecting device, the 3rd collecting device；On
State three collecting devices and be respectively used to gather the humidity value of measurand diverse location；And the collection result of collecting unit is above-mentioned
The meansigma methods of the detected value of three collecting devices；
Display unit, for showing the information that control unit sends；
Alarm unit, for the instruction alert according to control unit；
Time quantum, communicates to connect with control unit, and control unit obtains temporal information by time quantum；
Control unit, with collecting unit, display unit, alarm unit communication connection；Control unit is respectively at t, 2t, 3t ... nt
Moment obtains collection result W of collecting unit1、W2、W3……Wn, and by collection result W in mt momentmWith adopting of (m-1) t
Collection result Wm-1Compare, work as 9Wm-1/10≤Wm≤11Wm-1When/10, control unit is by collection result W in mt momentmAs quilt
Survey the object actual humidity value transmission in the mt moment to show to display unit；Work as Wm<9Wm-1/ 10 or Wm>11Wm-1When/10,
Control unit obtains the result of collecting unit in (m+1) t, and by the detected value of three collecting devices of (m+1) t
W1(m+1)、W2(m+1)、W3(m+1)Detected value W with three collecting devices of (m-1) t1(m-1)、W2(m-1)、W3(m-1)Compare, meter
Calculate W1(m+1)With W1(m-1)Difference T1、W2(m+1)With W2(m-1)Difference T2、W3(m+1)With W3(m-1)Difference T3, and by T1、T2、T3
Compare with the preset difference value T of storage in control unit, work as T1> T time, control unit is by information abnormal for the first collecting device
Transmission to display unit shows, and sends instruction to alarm unit, works as T2> T time, control unit is by different for the second collecting device
Normal information transmission shows to display unit, and sends instruction to alarm unit, works as T3> T time, control unit is adopted the 3rd
The information transmission of collection unit exception shows to display unit, and sends instruction to alarm unit；Wherein, 1≤m≤n.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that in described collecting unit
First collecting device, the second collecting device, the 3rd collecting device are that triangular shape is arranged.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that in described collecting unit
First collecting device, the second collecting device, the 3rd collecting device are linear layout.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that in described collecting unit
First collecting device, the second collecting device, the 3rd collecting device are humidity sensor.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that the first described collecting device
For carbon dew cell, the second collecting device be aluminium oxide drimeter, the 3rd collecting device be Ceramic Humidity Sensor.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that described display unit uses
LED display.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that described time quantum uses
Timer.
Humidity sensor intelligent checking system the most according to claim 1, it is characterised in that described alarm unit uses
Audible-visual annunciator.
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| CN201610587387.4A CN106092176A (en) | 2016-07-22 | 2016-07-22 | A kind of humidity sensor intelligent checking system |
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| CN111912458A (en) * | 2020-07-20 | 2020-11-10 | 华东交通大学 | Environment signal optimal sparse sampling method suitable for agriculture |
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