CN109991136A - Fugitive dust sensor calibrating method, apparatus and system - Google Patents
Fugitive dust sensor calibrating method, apparatus and system Download PDFInfo
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Abstract
The present invention is suitable for sensor technical field, provide a kind of fugitive dust sensor calibrating method, apparatus and system, this method include send corresponding instruction respectively to sensor to be measured and check sensor so that sensor to be measured and check sensor according to the corresponding instruction of acquisition respectively in same preset time period continuous collecting current environment particle information；The test group information that sensor to be measured is sent and the calibration group information that check sensor is sent are received respectively, and test group information and calibration group information are respectively the particle information of sensor and check sensor to be measured the acquired current environment of each interval time in same preset time period；Deviation factor is calculated according to test group information and calibration group information, and compensation is modified to sensor to be measured according to deviation factor, so that revised sensor to be measured information detected is identical as check sensor information detected.Fugitive dust sensor calibrating method provided by the invention solves the problems, such as existing calibration inaccuracy.
Description
Technical field
The invention belongs to sensor technical field more particularly to a kind of fugitive dust sensor calibrating methods, apparatus and system.
Background technique
The air-borne dust of high concentration not only endangers personnel health, or even will cause major safety risks.For air-borne dust
The higher Work places of concentration should implement corresponding management measure, and dust concentration monitoring is key link therein.Wherein fugitive dust
Sensor is drained using air pump, and pump suction type sampling has discharge stability good, the strong advantage of back pressure ability so that its
It is widely used in dust concentration monitoring.
Due to wherein fugitive dust sensor is polluted since photosensitive-member is easy by dust, laser source is easy decaying, so that
It causes monitoring result to generate offset, therefore it need to be calibrated.The method that existing each producer proposes automatic school " 0 ", will
Air inlet fan stops, and checks fugitive dust sensor output numerical value is how many at this time.When output numerical value be " 8 ", result will be exported at this time
It does " -8 " processing and realizes school zero.However this method but has very big problem, although stopping air inlet, in sensor
The air in portion is not pure, and pm2.5 particle very little diffusivity is fine, can voluntarily diffuse into inside by air inlet pipe.It is internal
Still there is suspended particulate substance in air a very long time." 0 " obtained in this way is inaccurate.And this method is
Solution corrects for the problem of photosensitive-member pollution, there is no laser source attenuation problem is solved, so that calibration inaccuracy.
Existing fugitive dust sensor structure is that single direct output signal of detection module is uploaded to data acquisition module simultaneously, so
And part of the manufacturer does not match touch screen, so that user's calibration can only be by front end and mobile device numeric ratio in conjunction with back-end data
It handles, is fairly cumbersome, and result is influenced by manual operation habit, is quite different, so that calibration is inconvenient, and causes artificial adjustment
Problem at high cost, adjustment result is undesirable.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of fugitive dust sensor calibrating method, apparatus and system, it is intended to solve
The problem of existing calibration inaccuracy.
The embodiments of the present invention are implemented as follows, and the embodiment of the present invention proposes a kind of fugitive dust sensor calibrating method, described
Method includes:
Corresponding instruction is sent respectively to sensor to be measured and check sensor, so that the sensor to be measured and the verification
Sensor according to the corresponding instruction of acquisition respectively in same preset time period continuous collecting current environment particle
Information；
The test group information that the sensor to be measured is sent and the calibration group letter that the check sensor is sent are received respectively
Breath, the test group information and the calibration group information are respectively the sensor to be measured and the check sensor in same institute
State the particle information of the acquired current environment of each interval time in preset time period；
Deviation factor is calculated according to the test group information and the calibration group information, and according to the deviation factor pair
The sensor to be measured is modified compensation so that the revised sensor particle information detected to be measured with it is described
Check sensor particle information detected is identical.
Further, the sensor to be measured and the check sensor are set to adjacent locations, the check sensor
The pipeline connected is equipped with solenoid valve；
It is described respectively send corresponding instruction to the step of sensor to be measured and check sensor include:
Work order is sent to the sensor to be measured, so that the work order of the sensor to be measured according to acquisition
The particle information of continuous collecting current environment in the preset time period；
Calibration command is sent to the check sensor, so that solenoid valve unlatching is connected with the check sensor
Pipeline, and in the same preset time period continuous collecting current environment particle information.
Further, described that deviation factor, and root are calculated according to the test group information and the calibration group information
The step of being modified compensation to the sensor to be measured according to the deviation factor include:
According to the test group information and the calibration group information determination deviation coefficient sets, the deviation factor group is described
The deviation factor of sensor to be measured and the check sensor in each interval time；
Coefficient of mean deviation is determined according to the deviation factor group；
Compensation is modified to the sensor to be measured according to the coefficient of mean deviation.
Further, the method also includes:
The sensor particle information collected to be measured after receiving the check sensor and correction-compensation respectively, and
It is compared whether error in judgement rate is less than default error rate；
If so, sending halt instruction to the check sensor, sensed so that the solenoid valve is closed with the verification
The pipeline that device is connected, and stop acquiring particle information.
Further, after described the step of calculating deviation factor according to the test information and the calibration information
Include:
Judge whether the deviation factor is greater than preset threshold；
If so, sending prompt information to host computer, to prompt user to replace the sensor to be measured；
If it is not, being then modified compensation to the sensor to be measured according to the deviation factor.
The another object of the embodiment of the present invention is to provide a kind of fugitive dust calibrating device for sensors, and described device includes:
Sending module, for sending corresponding instruction respectively to sensor to be measured and check sensor, so that the biography to be measured
Continuous collecting is current in same preset time period respectively according to the corresponding instruction of acquisition for sensor and the check sensor
The particle information of local environment；
Receiving module, for receiving the test group information and check sensor hair that the sensor to be measured is sent respectively
The calibration group information sent, the test group information and the calibration group information are respectively that the sensor to be measured and the verification pass
The particle information of sensor acquired current environment of each interval time in the same preset time period；
Correction module, for calculating deviation factor according to the test group information and the calibration group information, and according to
The deviation factor is modified compensation to the sensor to be measured, so that the revised sensor to be measured is detected
Particle information is identical as check sensor particle information detected.
Further, the sensor to be measured and the check sensor are set to adjacent locations, the check sensor
The pipeline connected is equipped with solenoid valve；
The sending module includes:
First transmission unit, for sending work order to the sensor to be measured so that the sensor to be measured according to
The particle information of the work order continuous collecting current environment in the preset time period obtained；
Second transmission unit, for sending calibration command to the check sensor, so that the solenoid valve is opened and institute
The pipeline that check sensor is connected is stated, and the particle of continuous collecting current environment is believed in the same preset time period
Breath.
Further, the correction module includes:
First determination unit, for according to the test group information and the calibration group information determination deviation coefficient sets, institute
Stating deviation factor group is the deviation factor of the sensor to be measured and the check sensor in each interval time；
Second determination unit, for determining coefficient of mean deviation according to the deviation factor group；
Third determination unit, for being modified compensation to the sensor to be measured according to the coefficient of mean deviation.
Further, described device further include:
Judgment module is acquired for receiving the sensor to be measured after the check sensor and correction-compensation respectively
Particle information, and carry out whether contrast judgement error rate is less than default error rate；
Control module, for sending halt instruction extremely when the judgment module error in judgement rate is less than default error rate
The check sensor so that the solenoid valve closes the pipeline being connected with the check sensor, and stops acquiring particle
Information.
The another object of the embodiment of the present invention is to provide a kind of fugitive dust sensor calibrating system, the system comprises:
Set on adjacent locations sensor and check sensor to be measured and respectively with the sensor to be measured and the school
The fugitive dust calibrating device for sensors as described above of sensor connection is tested, the pipeline that the check sensor is connected is equipped with
Solenoid valve.
Fugitive dust sensor calibrating method provided by the invention, by be provided with one for verification check sensor so that
It can guarantee the accuracy of the particle information of current time current environment collected by check sensor, so that can be true
Generated deviation factor between sensor and check sensor to be measured is made, while being passed by controlling sensor to be measured and verification
Sensor acquires particle information in each interval time in the same period, so that it can guarantee by a large amount of sample information
The accuracy of its deviation factor, while make can will be photosensitive for the correction-compensation by being carried out according to deviation factor to sensor to be measured
Component is once solved by two factors that dust pollution and laser source decay, so that the calibration to sensor to be measured is completed, and
Not the problem of school " zero " adjustment in the prior art not can solve the decaying of existing laser source, so that the amendment for passing through deviation factor
Compensation is so that can increase the accuracy of calibration.While it is due to being verified by check sensor to sensor to be measured, so that
Avoid manually according to the data on front end backstage calibrated caused by error brought by inconvenient and human error
Problem solves the problems, such as existing calibration inaccuracy.
Detailed description of the invention
Fig. 1 is the process for the fugitive dust sensor calibrating method that one embodiment of the invention provides；
Fig. 2 is curve graph of the fugitive dust sensor calibrating method of one embodiment of the invention offer before calibration；
Fig. 3 is the curve graph that the fugitive dust sensor calibrating method that one embodiment of the invention provides is simulated after calibration；
Fig. 4 is the flow chart for the fugitive dust sensor calibrating method that one embodiment of the present invention provides；
Fig. 5 is the structure chart of fugitive dust sensor in the fugitive dust sensor calibrating method of one embodiment of the present invention offer；
Fig. 6 is the structure chart for the fugitive dust calibrating device for sensors that one embodiment of the invention provides；
Fig. 7 is the structure chart for the fugitive dust calibrating device for sensors that one embodiment of the present invention provides；
Fig. 8 is the structure chart for the fugitive dust sensor calibrating system that one embodiment of the invention provides；
Fig. 9 is the structure chart for the fugitive dust detection system that one embodiment of the invention provides.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fugitive dust sensor calibrating method provided by the invention includes: to send corresponding instruction respectively to sensor to be measured and verification
Sensor；The test group information that the sensor to be measured is sent and the calibration group letter that the check sensor is sent are received respectively
Breath；Deviation factor is calculated according to the test group information and the calibration group information, and according to the deviation factor to described
Sensor to be measured is modified compensation.The present invention by be provided with one for verification check sensor so that by verification biography
Sensor can guarantee the accuracy of the particle information of current time current environment collected, so that can determine that biography to be measured
Generated deviation factor between sensor and check sensor, by being mended according to deviation factor to the amendment that sensor to be measured carries out
It repays so that can once solve two factors that photosensitive-member is decayed by dust pollution and laser source, so that completing to biography to be measured
The calibration of sensor, while it is due to being verified according to check sensor to sensor to be measured, so that avoiding existing artificial school
Bring error problem is tested, solves the problems, such as existing calibration inaccuracy.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments:
Embodiment one
The flow chart of the fugitive dust sensor calibrating method provided as shown in Figure 1 for one embodiment of the invention.
Fugitive dust sensor calibrating method provided in an embodiment of the present invention, includes the following steps:
Step S101 sends corresponding instruction to sensor to be measured and check sensor, so that the sensor to be measured respectively
And according to the corresponding instruction of acquisition, continuous collecting is presently in the check sensor in same preset time period respectively
The particle information of environment；
Wherein, which is applied to fugitive dust calibrating device for sensors, for applied to industry
Fugitive dust sensor is calibrated, to avoid its fugitive dust sensor due to photosensitive-member by dust pollute and laser source decaying because
Acquisition data caused by plain lead to the problem of deviation, and two fugitive dust sensors are wherein used in the fugitive dust sensor calibrating method,
It generates the sensor to be measured that data deviation is calibrated and does not work usually for specially fixed after respectively usually working
The check sensor that phase calibrates sensor to be measured.Wherein, in the present embodiment, which can be single
Piece machine connect with sensor to be measured and check sensor, calibration procedure is embedded in single-chip microcontroller, respectively for sending information
The acquisition data sent to sensor to be measured and check sensor and reception sensor to be measured and check sensor, to treat
Sensor is surveyed to be calibrated.It should be understood that fugitive dust calibrating device for sensors can also be it in the other embodiment of the present invention
He, it is not limited here.
Wherein, fugitive dust calibrating device for sensors sends corresponding instruction to sensor to be measured and check sensor respectively,
In, it should be pointed out that its sensor and check sensor to be measured are set to adjacent locations, its sensor to be measured and verification pass at this time
When sensor receives corresponding instruction, start the particle information for acquiring current environment respectively, and in same preset time period
It is interior that data acquisition is carried out to same air-source, for guaranteeing that sensor to be measured is consistent with check sensor data collected
Property, avoid the problem that sensor and check sensor data collected to be measured are inconsistent and bring calibrates deviation.Wherein, in advance
If the time of period can be set by single-chip microcontroller, in the present embodiment, preset time period is ten minutes, sensor to be measured
With check sensor respectively receive single-chip microcontroller transmission corresponding instruction after, the same air-source of continuous collecting in ten minutes
Particle information, it is possible to understand that, preset time period can be also configured according to actual use demand, it is not limited here.
Step S102, what the test group information and the check sensor for receiving the sensor transmission to be measured respectively were sent
Group information is demarcated, the test group information and the calibration group information are respectively the sensor to be measured and the check sensor
The particle information of the acquired current environment of each interval time in the same preset time period；
Wherein, when sensor to be measured and check sensor collect the particle information of current environment within a preset time
Afterwards, the particle information of acquisition is sent in single-chip microcontroller, single-chip microcontroller receives the test group letter that sensor to be measured is sent at this time
The calibration group information that breath and check sensor are sent, wherein it should be pointed out that its sensor and check sensor to be measured are same
Each interval time in one preset time period can acquire the particle information of same air-source, and sensor to be measured and verification pass
Be collected one group of data is sent in single-chip microcontroller by sensor respectively, wherein as shown in Fig. 2, for sensor institute to be measured before calibration
The test group information and check sensor of acquisition calibration group information collected, sensor and check sensor to be measured are very
In the preset time period of clock, at interval of the particle information of the current environment of acquisition in one minute, to form two groups of curve graphs,
Wherein as shown in the figure, it can be seen that sensor to be measured due to photosensitive-member by dust pollute and laser source attenuation factor make
Its test group information collected compares check sensor calibration group information collected and there is certain deviation.
Step S103 calculates deviation factor according to the test group information and the calibration group information, and according to described
Deviation factor is modified compensation to the sensor to be measured, so that the revised sensor particle detected to be measured
Information is identical as check sensor particle information detected；
Wherein, single-chip microcontroller calculates deviation factor according to the test group information and calibration group information of acquisition, specifically, it is partially
Poor coefficient is the quotient tested group information and demarcate group information, meets following formula, X=a/b, wherein a is sensor to be measured
Test group information collected, b are check sensor calibration group information collected, and X is deviation factor.
Further, after calculating deviation factor, compensation is modified to sensor to be measured according to the deviation factor,
The mode of correction-compensation is to meet following formula, A=a1/X, wherein a1 is sensor to be measured currently particle information collected,
A is the data after sensor to be measured is modified current particle information collected, which is replaced sensing to be measured by single-chip microcontroller
The current data a1 collected of device completes calibration, and the sensor to be measured is repaired according to can acquire after deviation factor correction-compensation at this time
Particle information after just.Wherein as shown in Fig. 2, its single-chip microcontroller can converse its deviation factor substantially 0.77, basis should at this time
Deviation factor is modified compensation, wherein as shown in figure 3, it is inverse to carrying out after deviation factor progress analog compensation by single-chip microcontroller
The sensor to be measured data collected pushed away.Referring to shown in Fig. 3, it can be seen that after its sensor to be measured is modified compensation
Figure it is opposite with the figure of check sensor coincide, calibrate successfully.
Fugitive dust sensor calibrating method provided in an embodiment of the present invention, by be provided with one for verification verification sensing
Device, allows the accuracy for guaranteeing the particle information of current time current environment collected by check sensor,
So that can determine that generated deviation factor between sensor and check sensor to be measured, while by controlling sensor to be measured
Particle information is acquired in each interval time in the same period with check sensor, so that it passes through largely sampling letter
Breath can guarantee the accuracy of its deviation factor, while make can be by photosensitive-member for the correction-compensation by being carried out according to deviation factor
Two factors to be decayed by dust pollution and laser source once solve, so that the calibration to sensor to be measured is completed, and it is existing
Not the problem of school " zero " adjustment in technology not can solve the decaying of existing laser source, so that by deviation factor to sensing to be measured
The correction-compensation that device carries out makes the accuracy that can increase calibration.Simultaneously its due to by check sensor to sensor to be measured into
Row verification so that avoid manually according to the data on front end backstage calibrated caused by inconvenient and human error institute
The problem of bring error, solves the problems, such as existing calibration inaccuracy.
Embodiment two
The flow chart of the fugitive dust sensor calibrating method of one embodiment of the present invention offer is provided.
Fugitive dust sensor calibrating method provided in an embodiment of the present invention, includes the following steps:
Step S201 sends corresponding instruction to sensor to be measured and check sensor respectively；
Wherein, which is applied to fugitive dust calibrating device for sensors, fugitive dust pick up calibration dress
Be set to single-chip microcontroller, be applied to fugitive dust detection system, wherein the fugitive dust detection system include sensor to be measured, check sensor,
Single-chip microcontroller, interactive controlling terminal, radio network gateway and server, wherein sensor to be measured and check sensor respectively with single-chip microcontroller
Connection, when its sensor to be measured needs to calibrate, the transmittable information of single-chip microcontroller to sensor to be measured and check sensor, and
The information that sensor and check sensor to be measured are sent is received, and accordingly sensor to be measured is verified.When its sensing to be measured
When being worked normally after the completion of device verification, sensor to be measured information collected can be sent to interactive controlling end by single-chip microcontroller
End, so that the current particle information collected of interactive controlling terminal simultaneous display, while the interactive controlling terminal can will be received
Information is forwarded to server by radio network gateway, and the preservation of data is carried out with server.
It is pointed out that its sensor to be measured and check sensor are set to adjacent locations, at this time sensor to be measured and school
The particle information of same air-source can be acquired within the same time by testing sensor, be avoided since the time is different or position difference causes
Calibration error problem.Wherein since pump suction type sampling has discharge stability good, strong specific of back pressure ability, therefore the fugitive dust
Sensor is all made of air pump and carries out drainage sampling, and in the present embodiment, the pipeline that check sensor is connected is equipped with solenoid valve,
The pipeline being connect with check sensor can be opened or closed by the setting of solenoid valve, therefore is not needed in check sensor
In use, its solenoid valve closes the pipeline connecting with check sensor, so that external pollution is avoided to enter to check sensor
In and to check sensor bring acquisition data inaccuracy problem.Wherein it should be pointed out that its in normal outdoor environment
Fugitive dust sensor just starts obvious deviation sign occur when two weeks is used continuously, thus an effective detection time (such as
One week) in be substantially not present offset issue, and check sensor only works preset time period (such as ten minutes) in each verification
It is interior, therefore effective access times of check sensor are that effective detection time and preset time period ask quotient, such as (24 × 60)/10
=1008 times, if sensor to be measured is primary according to carrying out calibrating weekly, effective calibration time limit of check sensor is up to 19
Year or more, therefore the 1-2 of remote super fugitive dust sensor institute normal service life guarantees the acquired data of check sensor
Accuracy, to realize the accurate verification to sensor to be measured.
Wherein, above-mentioned corresponding instruction to the step of sensor to be measured and check sensor of transmission respectively, specifically includes:
Work order is sent to the sensor to be measured, so that the work order of the sensor to be measured according to acquisition
The particle information of continuous collecting current environment in the preset time period；
Calibration command is sent to the check sensor, so that solenoid valve unlatching is connected with the check sensor
Pipeline, and in the same preset time period continuous collecting current environment particle information.
Wherein, it should be pointed out that in one embodiment of the invention, on sensor and check sensor to be measured
Two laser detection modules are respectively equipped with, and sensor to be measured and check sensor are connect with single-chip microcontroller respectively.As shown in figure 5,
Its covers disposed on sensor to be measured has detection module A1 and detection module B1, and is in adjacent locations, so that it can be to same air
Source is sampled, and the error problem as caused by the difference of sampling environment is avoided.Its check sensor is equipped with detection module
A2 and detection module B2, wherein two laser detection modules on sensor to be measured are separately connected pipeline and are adopted by air pump drainage
Sample, so that the particle information of current environment can be acquired, two on check sensor laser detection module is separately connected
Pipeline, and solenoid valve is connected separately on each pipeline, as shown, solenoid valve is connected on detection module A2 institute connecting line
It is connected with solenoid valve C2 on C1, detection module B2 institute connecting line, wherein by the setting of solenoid valve so that can open or close
The pipeline that check sensor is connected keeps check sensor so that check sensor can obstruct external environment when not working
Cleaning, external contamination source enters to check sensor and the acquisition data inaccuracy that generates when check sensor being avoided not work
The problem of.Wherein, two laser detection modules on the sensor and check sensor to be measured can acquire PM2.5, PM10 and
TSP (PM100) information.It is therefore to be understood that, the laser detection mould in the other embodiment of the present invention, on fugitive dust sensor
Block may include but be not limited to one or two, can be configured according to the actual use demand of user, it is not limited here.
Step S202, what the test group information and the check sensor for receiving the sensor transmission to be measured respectively were sent
Demarcate group information；
Wherein, when sensor to be measured and check sensor have acquired the particle of same air-source in same preset time period
After information, the information by corresponding acquisition is sent in single-chip microcontroller respectively, and single-chip microcontroller receives the survey that sensor to be measured is sent respectively
Try the calibration group information of group information and check sensor transmission, wherein it should be pointed out that its sensor to be measured and verification sensing
Each interval time is sampled device within a preset period of time, at this time sensor and check sensor data collected to be measured
It is multiple data, rather than the single data under the single time, pass through the control of sampling time and sampling interval duration at this time
So that the data volume of controllable sampling, the data volume sampled at this time is bigger, and the sensor to be measured determined is compared and is produced
Raw deviation factor is more accurate, accordingly, it is to be understood that, in other embodiments of the invention, preset time period and interval
Time can need to be configured according to the actual use of user.
Step S203 calculates deviation factor according to the test group information and the calibration group information, and described in judgement
Whether deviation factor is greater than preset threshold；
If so, thening follow the steps S204；If it is not, thening follow the steps S205.
Step S204 sends prompt information to host computer, to prompt user to replace the sensor to be measured；
Wherein, whether deviation is larger and cause normally make for determining its sensor to be measured for the preset threshold
With, wherein when being greater than preset threshold according to test group information and the calibration calculated deviation factor of group information, it is determined that go out it
Sensor institute to be measured is since photosensitive-member is by acquisition data generation deviation caused by dust pollution and laser source attenuation factor
Larger, after calibrating at this time to its sensor to be measured, there is also relatively large deviations for the data of acquisition, therefore single-chip microcontroller determines hair
Send prompt information to host computer, wherein user is controlled according to interaction it should be understood that the host computer can be interactive controlling terminal
The display information of terminal processed can determine that sensor to be measured accuracy collected is lower, should carry out to the sensor to be measured corresponding
Replacement.
Step S205 is modified compensation to the sensor to be measured according to the deviation factor；
Wherein, specifically, its step S204 and step S205 are specifically realized in the following way:
According to the test group information and the calibration group information determination deviation coefficient sets, the deviation factor group is described
The deviation factor of sensor to be measured and the check sensor in each interval time；
Coefficient of mean deviation is determined according to the deviation factor group；
Compensation is modified to the sensor to be measured according to the coefficient of mean deviation.
Wherein, it is carried out in each interval time in same preset time period due to sensor to be measured and check sensor
Sampling, so that sensor to be measured and check sensor sample out multiple data, as shown in Fig. 2, it is sampled in 10 minutes
10 data out, therefore single-chip microcontroller can determine that a deviation factor according to its each interval time data collected, so that
It determines 10 deviation factors (i.e. deviation factor group), average deviation system can determine that according to the averaging of deviation factor group at this time
Number, wherein the coefficient of mean deviation determined is more accurate it should be pointed out that when quantity is bigger in its deviation factor group, because
This its preset time period and interval time can need to be configured according to the actual use of user.Further, it is determined that going out average
After deviation factor, compensation can be modified to sensor to be measured according to coefficient of mean deviation.
Further, it should be pointed out that as described in aforementioned, when the laser detection module on its fugitive dust sensor is two
Or when other numbers, single-chip microcontroller can individually by each laser detection module on sensor to be measured and check sensor into
The determination of row deviation factor, and compensation is modified to its corresponding laser detection module according to deviation factor.
Step S206, described sensor collected to be measured after receiving the check sensor and correction-compensation respectively
Grain information, and carry out whether contrast judgement error rate is less than default error rate；
If so, thening follow the steps S207；If it is not, then continuing to execute step S201-S205.
It wherein, can also be to the sensor to be measured after correction-compensation after single-chip microcontroller is modified compensation to sensor to be measured
It is verified, to determine if to calibrate successfully, the sensor to be measured after check sensor and correction-compensation continues to acquire at this time
The particle information of current environment, and it is sent to single-chip microcontroller.Its single-chip microcontroller receives check sensor and sensor to be measured is adopted
The particle information of collection, and be compared, to judge whether the error rate between both is less than default error rate, work as comparison
As a result when being, then to can be identified as calibrate successfully, it when comparison result is no, then can be identified as calibrating unsuccessful, therefore also needing
It is recalibrated, re-execute abovementioned steps at this time.
Step S207 sends halt instruction to the check sensor, so that solenoid valve is closed and the check sensor
The pipeline being connected, and stop acquiring particle information.
Wherein, when error in judgement rate is less than default error rate, it is determined that calibrate successfully, single-chip microcontroller, which is sent, at this time stops
It instructs to check sensor, so that solenoid valve closes the pipeline being connected with check sensor, and stops acquiring particle information, this
When check sensor stop working, and be maintained in relatively clean environment, sensor to be measured works on continuous collecting
Particle information.
Fugitive dust sensor calibrating method provided in an embodiment of the present invention, by the accurate determination to deviation factor, so that can
It is more accurate to the calibration of sensor to be measured；Simultaneously by the judgement of deviation factor so that when sensor to be measured deviate compared with
When big, user can be notified to replace in time, avoid people caused by existing manual calibration originally higher, and due to biography to be measured
Sensor accuracy itself is inadequate, and problem bigger to the data error of acquisition behind artificial school " zero "；Simultaneously by calibrating
Verification after solves the problems, such as existing calibration inaccuracy so that can increase the accuracy of verification.
Embodiment three
The embodiment of the invention also provides a kind of fugitive dust calibrating device for sensors, are illustrated in figure 6 the embodiment of the present invention and mention
The structure chart of the fugitive dust calibrating device for sensors of confession, the fugitive dust calibrating device for sensors 30 include:
Sending module 31, for sending corresponding instruction respectively to sensor to be measured and check sensor, so that described to be measured
Continuous collecting is worked as in same preset time period respectively according to the corresponding instruction of acquisition for sensor and the check sensor
The particle information of preceding local environment；
Receiving module 32, for receiving the test group information and the check sensor that the sensor to be measured is sent respectively
The calibration group information of transmission, the test group information and the calibration group information are respectively the sensor to be measured and the verification
The particle information of sensor acquired current environment of each interval time in the same preset time period；
Correction module 33, for calculating deviation factor, and root according to the test group information and the calibration group information
Compensation is modified to the sensor to be measured according to the deviation factor, so that the revised sensor to be measured is detected
Particle information it is identical as check sensor particle information detected.
Example IV
The structure chart of the fugitive dust calibrating device for sensors of one embodiment of the present invention offer is provided.It is realized
The technical effect and embodiment three of principle and generation is identical, and to briefly describe, the embodiment of the present invention does not refer to place, can refer to reality
Apply corresponding contents in example three.
Its difference is, in a preferred embodiment of the present invention, the fugitive dust calibrating device for sensors 30 further include:
Judgment module 34 is adopted for receiving the sensor to be measured after the check sensor and correction-compensation respectively
The particle information of collection, and carry out whether contrast judgement error rate is less than default error rate.
Control module 35, for sending halt instruction when the judgment module error in judgement rate is less than default error rate
To the check sensor, so that the solenoid valve closes the pipeline being connected with the check sensor, and stop acquisition
Grain information.
Further, the sensor to be measured and the check sensor are set to adjacent locations, the check sensor
The pipeline connected is equipped with solenoid valve；
The sending module 31 includes:
First transmission unit 311, for sending work order to the sensor to be measured, so that the sensor root to be measured
According to the particle information of work order continuous collecting current environment in the preset time period of acquisition；
Second transmission unit 312, for sending calibration command to the check sensor so that the solenoid valve open with
The pipeline that the check sensor is connected, and in the same preset time period continuous collecting current environment particle
Information.
Further, the correction module 33 includes:
First determination unit 331 is used for according to the test group information and the calibration group information determination deviation coefficient sets,
The deviation factor group is the deviation factor of the sensor to be measured and the check sensor in each interval time；
Second determination unit 332, for determining coefficient of mean deviation according to the deviation factor group；
First amending unit 333, for being modified compensation to the sensor to be measured according to the coefficient of mean deviation.
Further, the correction module 33 further include:
Judging unit 334, for judging whether the deviation factor is greater than preset threshold；
Third transmission unit 335, for judging that the deviation factor is greater than preset threshold when the judging unit 334
When, prompt information is sent to host computer, to prompt user to replace the sensor to be measured；
Second amending unit 336, for judging that the deviation factor is less than preset threshold when the judging unit 334
When, compensation is modified to the sensor to be measured according to the deviation factor.
The technical effect of fugitive dust calibrating device for sensors provided by the embodiment of the present invention, realization principle and generation is with before
It is identical to state embodiment of the method, to briefly describe, Installation practice part does not refer to place, can refer to phase in preceding method embodiment
Answer content.
Embodiment five
The embodiment of the invention also provides a kind of fugitive dust sensor calibrating systems, are illustrated in figure 8 the embodiment of the present invention and mention
The structure chart of the fugitive dust sensor calibrating system of confession, the fugitive dust sensor calibrating system include:
Set on the sensor to be measured 40 and check sensor 50 of adjacent locations；
And it is connect respectively with the sensor 40 to be measured and the check sensor 40 as in the foregoing embodiment
Fugitive dust calibrating device for sensors 30.
Wherein, the pipeline that the check sensor 50 is connected is equipped with solenoid valve.
Fugitive dust sensor calibrating system provided in an embodiment of the present invention, by the check sensor of setting to sensor to be measured
It is verified, allows the standard for guaranteeing the particle information of current time current environment collected by check sensor
True property, so that fugitive dust calibrating device for sensors can determine that generated deviation system between sensor and check sensor to be measured
Number, and the correction-compensation by being carried out according to deviation factor to sensor to be measured make can by photosensitive-member by dust pollution with
Two factors of laser source decaying once solve, so that complete calibration to sensor to be measured, while it is according to verification due to passing
Sensor verifies sensor to be measured, so that avoiding existing artificial verification bring error problem, solves existing calibration
The problem of inaccuracy.
Embodiment six
The embodiment of the invention also provides a kind of fugitive dust detection systems, are illustrated in figure 9 provided in an embodiment of the present invention raise
The structure chart of dirt detection system, the fugitive dust detection system include:
Set on the sensor to be measured 40 and check sensor 50 of adjacent locations；
The fugitive dust as in the foregoing embodiment being connect respectively with the sensor 40 to be measured and the check sensor 50
Calibrating device for sensors 30；
The interactive controlling terminal 60 being connect with the fugitive dust calibrating device for sensors 30；
The radio network gateway 70 being connect with the interactive controlling terminal 60；
And the server 80 being connect with radio network gateway 70.
The control instruction that wherein the fugitive dust calibrating device for sensors 30 is used to be sent according to interactive controlling terminal 60 is to be measured
Sensor 40 is calibrated or the particle information that sensor 40 to be measured acquires is sent to interactive controlling terminal, so that interaction is controlled
Terminal 60 processed shows that sensor 40 to be measured particle information collected checks use to user.Its radio network gateway 70 is used for server
The data that interactive controlling terminal 60 uploads can be sent to server by the data communication between 80 and interactive controlling terminal 60
80 or server 80 send instruction be sent to interactive controlling terminal 60, with the equipment linkage of control system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of fugitive dust sensor calibrating method, which is characterized in that the described method includes:
Corresponding instruction is sent respectively to sensor to be measured and check sensor, so that the sensor to be measured and verification sensing
Device according to the corresponding instruction of acquisition respectively in same preset time period continuous collecting current environment particle information；
The test group information that the sensor to be measured is sent and the calibration group information that the check sensor is sent, institute are received respectively
It states test group information and the calibration group information is respectively the sensor to be measured and the check sensor same described pre-
If the particle information of the acquired current environment of each interval time in the period；
Deviation factor is calculated according to the test group information and the calibration group information, and according to the deviation factor to described
Sensor to be measured is modified compensation, so that the revised sensor particle information detected to be measured and the verification
Sensor particle information detected is identical.
2. fugitive dust sensor calibrating method as described in claim 1, which is characterized in that the sensor to be measured and the verification
Sensor is set to adjacent locations, and the pipeline that the check sensor is connected is equipped with solenoid valve；
It is described respectively send corresponding instruction to the step of sensor to be measured and check sensor include:
Work order is sent to the sensor to be measured, so that the sensor to be measured is according to the work order of acquisition in institute
State the particle information of continuous collecting current environment in preset time period；
Calibration command is sent to the check sensor, so that the solenoid valve opens the pipe being connected with the check sensor
Road, and in the same preset time period continuous collecting current environment particle information.
3. fugitive dust sensor calibrating method as described in claim 1, which is characterized in that it is described according to the test group information and
The calibration group information calculates deviation factor, and is modified compensation to the sensor to be measured according to the deviation factor
Step includes:
According to the test group information and the calibration group information determination deviation coefficient sets, the deviation factor group is described to be measured
The deviation factor of sensor and the check sensor in each interval time；
Coefficient of mean deviation is determined according to the deviation factor group；
Compensation is modified to the sensor to be measured according to the coefficient of mean deviation.
4. fugitive dust sensor calibrating method as claimed in claim 2, which is characterized in that the method also includes:
The sensor particle information collected to be measured after receiving the check sensor and correction-compensation respectively, and carry out
Whether contrast judgement error rate is less than default error rate；
If so, sending halt instruction to the check sensor, so that the solenoid valve is closed and the check sensor phase
The pipeline of connection, and stop acquiring particle information.
5. such as the described in any item fugitive dust sensor calibrating methods of claim 1, which is characterized in that described to be believed according to the test
Include: after the step of breath and the calibration information calculate deviation factor
Judge whether the deviation factor is greater than preset threshold；
If so, sending prompt information to host computer, to prompt user to replace the sensor to be measured；
If it is not, being then modified compensation to the sensor to be measured according to the deviation factor.
6. a kind of fugitive dust calibrating device for sensors, which is characterized in that described device includes:
Sending module, for sending corresponding instruction respectively to sensor to be measured and check sensor, so that the sensor to be measured
And according to the corresponding instruction of acquisition, continuous collecting is presently in the check sensor in same preset time period respectively
The particle information of environment；
Receiving module, what test group information and the check sensor for receiving the sensor transmission to be measured respectively were sent
Group information is demarcated, the test group information and the calibration group information are respectively the sensor to be measured and the check sensor
The particle information of the acquired current environment of each interval time in the same preset time period；
Correction module, for calculating deviation factor according to the test group information and the calibration group information, and according to described
Deviation factor is modified compensation to the sensor to be measured, so that the revised sensor particle detected to be measured
Information is identical as check sensor particle information detected.
7. fugitive dust calibrating device for sensors as claimed in claim 6, which is characterized in that the sensor to be measured and the verification
Sensor is set to adjacent locations, and the pipeline that the check sensor is connected is equipped with solenoid valve；
The sending module includes:
First transmission unit, for sending work order to the sensor to be measured, so that the sensor to be measured is according to acquisition
Work order continuous collecting current environment in the preset time period particle information；
Second transmission unit, for sending calibration command to the check sensor, so that the solenoid valve is opened and the school
Test the pipeline that sensor is connected, and in the same preset time period continuous collecting current environment particle information.
8. fugitive dust calibrating device for sensors as claimed in claim 6, which is characterized in that the correction module includes:
First determination unit is used for according to the test group information and the calibration group information determination deviation coefficient sets, described inclined
Poor coefficient sets are the deviation factor of the sensor to be measured and the check sensor in each interval time；
Second determination unit, for determining coefficient of mean deviation according to the deviation factor group；
Third determination unit, for being modified compensation to the sensor to be measured according to the coefficient of mean deviation.
9. fugitive dust calibrating device for sensors as claimed in claim 7, which is characterized in that described device further include:
Judgment module, for receiving described sensor collected to be measured after the check sensor and correction-compensation respectively
Grain information, and carry out whether contrast judgement error rate is less than default error rate；
Control module, for when the judgment module error in judgement rate is less than default error rate, sending halt instruction to described
Check sensor so that the solenoid valve closes the pipeline being connected with the check sensor, and stops acquiring particle information.
10. a kind of fugitive dust sensor calibrating system, which is characterized in that sensor to be measured and verification including being set to adjacent locations pass
Sensor and the fugitive dust as described in claim 6-9 connecting respectively with the sensor to be measured and the check sensor pass
Sensor calibrating installation, the pipeline that the check sensor is connected are equipped with solenoid valve.
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| CN110514785A (en) * | 2019-07-31 | 2019-11-29 | 北京佳华智联科技有限公司 | Sensing data on-line calibration method, apparatus, electronic equipment and storage medium |
| CN111157681A (en) * | 2019-12-31 | 2020-05-15 | 陕西中良智能科技有限公司 | Automatic liquid ph value adjusting system and method |
| CN111947704A (en) * | 2020-08-11 | 2020-11-17 | 广东电网有限责任公司广州供电局 | Water sensor calibration platform and method |
| CN112685449A (en) * | 2020-12-29 | 2021-04-20 | 华润电力技术研究院有限公司 | Thermodynamic system performance calculation method, device and equipment |
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| CN111157681A (en) * | 2019-12-31 | 2020-05-15 | 陕西中良智能科技有限公司 | Automatic liquid ph value adjusting system and method |
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| CN112946188A (en) * | 2021-01-26 | 2021-06-11 | 天地（常州）自动化股份有限公司 | Downhole sensor calibration method, device, equipment and medium |
| CN113418845A (en) * | 2021-06-25 | 2021-09-21 | 山东诺方电子科技有限公司 | Maintenance and calibration system and method for dust load acquisition equipment |
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Application publication date: 20190709 |