CN110006801A - A kind of atmospheric dust concentration detection method - Google Patents
A kind of atmospheric dust concentration detection method Download PDFInfo
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- CN110006801A CN110006801A CN201910386747.8A CN201910386747A CN110006801A CN 110006801 A CN110006801 A CN 110006801A CN 201910386747 A CN201910386747 A CN 201910386747A CN 110006801 A CN110006801 A CN 110006801A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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Abstract
The invention discloses a kind of atmospheric dust concentration detection methods, belong to air detection technical field, by the first weight value m for weighing filter membrane in dust sensor1；The dust sensor is mounted on region to be measured；At interval of a predetermined period T, the level data that the dust sensor is sent is acquired；Acquisition flow Q is obtained according to the level data；Weigh the second weight value m of the filter membrane2；According to the predetermined period T, the first weight value m1, the second weight value m2Dust concentration is calculated with acquisition flow Q, and draws the change curve of dust concentration value；Being obtained according to the change curve influences coefficient, and the discreet value of the dust concentration is calculated according to the dust concentration and influence coefficient, dust concentration value can not be got in real time in the prior art to solve, the technical issues of dust concentration excessively high easy initiation safety accident, it is simple method has been reached, can real-time detection and control dust concentration, avoid the occurrence of the technical effect of safety accident.
Description
Technical field
The present invention relates to air detection technical field, in particular to a kind of atmospheric dust concentration detection method.
Background technique
Dust refers to the fine grit being suspended in the air.In many factories, dust majority is metal ingredient mixture,
Also containing various pollutants such as grain bits, bacterium, dusts, particle size range is wide, grit complex shape.And now as dust is concentrated
Some explosion accidents can also be generated, it is also possible to because dust generates very big influence to workshop, will cause electronic component
Rejection rate improves, and wastes cost, and dust causes also to cause great harm human body while environmental pollution.
Some cleaners in the prior art are to carry out whole dedusting to entire workplace, can not obtain in real time
To dust concentration value, when dust concentration is excessively high, it is easy to cause safety accident.
Summary of the invention
The present invention provides a kind of atmospheric dust concentration detection methods, can not obtain in real time in the prior art to solve
To dust concentration value, when dust concentration is excessively high, it is easy to which the technical issues of causing safety accident, it is simple to have reached method, energy
Enough real-time detections and control dust concentration, avoid the occurrence of the technical effect of safety accident.
The present invention provides a kind of atmospheric dust concentration detection methods, which comprises weighs in dust sensor and filters
First weight value m of film1；The dust sensor is mounted on region to be measured；At interval of a predetermined period T, the powder is acquired
The level data that dust sensor is sent；Acquisition flow Q is obtained according to the level data；Weigh the second weight value of the filter membrane
m2；According to the predetermined period T, the first weight value m1、Second weight value m2Dust concentration is calculated with acquisition flow Q, and draws powder
The change curve of dust concentration value；Being obtained according to the change curve influences coefficient, and according to the dust concentration and influences coefficient
Calculate the discreet value of the dust concentration.
Preferably, the specific formula for calculating dust concentration are as follows:Wherein, C is powder in atmosphere
The concentration of dirt, unit mg/m3；m2For the filter membrane weight after acquiring greatly, unit mg；m1It is single for the filter membrane weight after acquiring greatly
Position is mg；Q is acquisition flow, unit L/min；T is sampling time, unit min.
Preferably, the predetermined period is 6~10min.
Preferably, after the calculating dust concentration, the method also includes: compare the dust concentration and preset standard
Value.
Preferably, the dust sensor also has an alarm, when the dust concentration is greater than preset standard value, institute
State alarm starting.
Preferably, described obtained according to the change curve influences coefficient, further includes: is obtained according to the change curve more
A impact factor；The weighted average of multiple impact factors is calculated, and the influence coefficient is obtained according to the average value.
Preferably, after the discreet value for calculating the dust concentration, further includes: when the discreet value is greater than on default
When limit value, the region to be measured is checked according to preset strategy.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
A kind of atmospheric dust concentration detection method provided in an embodiment of the present invention, which comprises take dust sensor
First weight value m of middle filter membrane1；The dust sensor is mounted on region to be measured；At interval of a predetermined period T, institute is acquired
State the level data of dust sensor transmission；Acquisition flow Q is obtained according to the level data；Weigh the second weight of the filter membrane
Magnitude m2；According to the predetermined period T, the first weight value m1, the second weight value m2Dust concentration is calculated with acquisition flow Q, and is drawn
The change curve of dust concentration value processed；Being obtained according to the change curve influences coefficient, and according to the dust concentration and influence
Coefficient calculates the discreet value of the dust concentration, so that solve in the prior art can not get dust concentration in real time
Value, when dust concentration is excessively high, it is easy to which the technical issues of causing safety accident, it is simple to have reached method, being capable of real-time detection
With control dust concentration, the technical effect of safety accident is avoided the occurrence of.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of atmospheric dust concentration detection method in the embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of atmospheric dust concentration detection method, to solve in the prior art can not be real-time
Get dust concentration value, when dust concentration is excessively high, it is easy to the technical issues of causing safety accident, reached method letter
It is single, can real-time detection and control dust concentration, avoid the occurrence of the technical effect of safety accident.
Technical solution in the embodiment of the present invention, general thought are as follows:
A kind of atmospheric dust concentration detection method provided in an embodiment of the present invention, by weighing filter membrane in dust sensor
First weight value m1；The dust sensor is mounted on region to be measured；At interval of a predetermined period T, acquires the dust and pass
The level data that sensor is sent；Acquisition flow Q is obtained according to the level data；Weigh the second weight value m of the filter membrane2；
According to the predetermined period T, the first weight value m1, the second weight value m2Dust concentration is calculated with acquisition flow Q, and draws dust
The change curve of concentration value；Being obtained according to the change curve influences coefficient, and according to the dust concentration and influences coefficient meter
Calculate the discreet value of the dust concentration, so that it is simple to have reached method, can real-time detection and control dust concentration, avoid the occurrence of
The technical effect of safety accident.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment
Fig. 1 is a kind of atmospheric dust concentration detection method in the embodiment of the present invention, as shown in Figure 1, which comprises
Step 1: weighing the first weight value m of filter membrane in dust sensor1。
Step 2: the dust sensor is mounted on region to be measured.
Specifically, in order to acquire the dust concentration in region to be measured, it is necessary first to the installation that locates in region to be measured
Dust sensor is provided with filter membrane in dust sensor, therefore before the mounting, needs to weigh to the weight of filter membrane.
Step 3: at interval of a predetermined period T, acquiring the level data that the dust sensor is sent.
Step 4: acquisition flow Q is obtained according to the level data.
Further, the predetermined period is 6~10min.
Specifically, predetermined period is interval time, that is to say, that when installing dust sensor in region to be measured
Later, then dust sensor will start to work, in order under the premise of improving detection efficiency, additionally it is possible to guarantee data
Accuracy is taken at interval of the regular hour and acquires the level data of dust sensor transmission, then turns the level data
It is changed to the information data of acquisition flow Q, and then the occurrence of dust concentration is obtained by calculation.Wherein, the interval of data is acquired
Time can be designed work according to actually detected situation, be 8min as preferably using interval time in the present embodiment.
Step 5: weighing the second weight value m of the filter membrane2。
Step 6: according to the predetermined period T, the first weight value m1, the second weight value m2It is dense that dust is calculated with acquisition flow Q
Degree, and draw the change curve of dust concentration value.
Further, after the calculating dust concentration, the method also includes: compare the dust concentration and pre- bidding
Quasi- value.
Further, the dust sensor also has an alarm, when the dust concentration is greater than preset standard value,
The alarm starting.
Specifically, weighing the second weight value m of filter membrane at this time after obtaining acquisition flow Q2, then according to dust
The calculation formula of concentration calculates:Wherein, C is dust concentration in atmosphere, unit mg/m3；m2For
Filter membrane weight after big acquisition, unit mg；m1For the filter membrane weight after acquiring greatly, unit mg；Q is acquisition flow, unit
For L/min；T is sampling time, unit min.By cycle T obtained above, the first weight value m1, the second weight value m2With adopt
Collect flow Q to substitute into dust concentration calculating formula, it further, can also be according to the multiple dust concentration numbers being calculated
According to the change curve for drawing out dust concentration value.Further, an alarm is also equipped on dust sensor, when being calculated
Dust concentration be greater than preset standard value when, then alarm will will start, send alarm signal to staff.For example,
The acceptable concentration of dust in workplace air specifically: total dust concentration 4mg/m3, respirable dust concentration is
2.5mg/m3。
Step 7: being obtained according to the change curve influences coefficient, and according to the dust concentration and influences coefficient calculating institute
State the discreet value of dust concentration.
Further, described obtained according to the change curve influences coefficient, further includes: is obtained according to the change curve
Multiple impact factors；The weighted average of multiple impact factors is calculated, and the influence coefficient is obtained according to the average value.
Further, after the discreet value for calculating the dust concentration, further includes: preset when the discreet value is greater than
When upper limit value, the region to be measured is checked according to preset strategy.
Specifically, can then be fitted according to change curve multiple after drawing out the change curve of dust concentration
Impact factor.In order to guarantee the accuracy of data, reach the accurate purpose of detection, further to the multiple impact factors fitted
It is weighted and averaged value calculating, and the weighted average being calculated is to influence coefficient, then according to calculated dust
Concentration and the influence coefficient can extrapolate the discreet value of dust concentration.It is simple to can achieve method in this way, it being capable of real-time detection
With control dust concentration, the purpose of safety accident is avoided the occurrence of.When the discreet value is greater than the upper limit value of dust concentration, root at this time
Certain measure can be taken region to be measured according to preprepared scheme, such as air purifier is installed in region to be measured
Deng.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
A kind of atmospheric dust concentration detection method provided in an embodiment of the present invention, which comprises take dust sensor
First weight value m of middle filter membrane1；The dust sensor is mounted on region to be measured；At interval of a predetermined period T, institute is acquired
State the level data of dust sensor transmission；Acquisition flow Q is obtained according to the level data；Weigh the second weight of the filter membrane
Magnitude m2；According to the predetermined period T, the first weight value m1、Second weight value m2Dust concentration is calculated with acquisition flow Q, and is drawn
The change curve of dust concentration value processed；Being obtained according to the change curve influences coefficient, and according to the dust concentration and influence
Coefficient calculates the discreet value of the dust concentration, so that solve in the prior art can not get dust concentration in real time
Value, when dust concentration is excessively high, it is easy to which the technical issues of causing safety accident, it is simple to have reached method, being capable of real-time detection
With control dust concentration, the technical effect of safety accident is avoided the occurrence of.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of atmospheric dust concentration detection method, which is characterized in that the described method includes:
Weigh the first weight value m of filter membrane in dust sensor1；
The dust sensor is mounted on region to be measured；
At interval of a predetermined period T, the level data that the dust sensor is sent is acquired；
Acquisition flow Q is obtained according to the level data；
Weigh the second weight value m of the filter membrane2；
According to the predetermined period T, the first weight value m1、Second weight value m2Dust concentration is calculated with acquisition flow Q, and is drawn
The change curve of dust concentration value；
Being obtained according to the change curve influences coefficient, and according to the dust concentration and influences the coefficient calculating dust concentration
Discreet value.
2. the method as described in claim 1, which is characterized in that the specific formula for calculating dust concentration are as follows:
Wherein, C is dust concentration in atmosphere, unit mg/m3；m2For the filter membrane weight after acquiring greatly
Amount, unit mg；m1For the filter membrane weight after acquiring greatly, unit mg；Q is acquisition flow, unit L/min；When T is sampling
Between, unit min.
3. the method as described in claim 1, which is characterized in that the predetermined period is 6~10min.
4. the method as described in claim 1, which is characterized in that after the calculating dust concentration, the method also includes:
Compare the dust concentration and preset standard value.
5. method as claimed in claim 4, which is characterized in that the dust sensor also has an alarm, when the powder
When dust concentration is greater than preset standard value, the alarm starting.
6. the method as described in claim 1, which is characterized in that described obtained according to the change curve influences coefficient, also wraps
It includes:
Multiple impact factors are obtained according to the change curve；
The weighted average of multiple impact factors is calculated, and the influence coefficient is obtained according to the average value.
7. method as claimed in claim 4, which is characterized in that after the discreet value for calculating the dust concentration, also wrap
It includes:
When the discreet value is greater than preset upper limit value, the region to be measured is checked according to preset strategy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910386747.8A CN110006801A (en) | 2019-05-10 | 2019-05-10 | A kind of atmospheric dust concentration detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910386747.8A CN110006801A (en) | 2019-05-10 | 2019-05-10 | A kind of atmospheric dust concentration detection method |
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| CN110006801A true CN110006801A (en) | 2019-07-12 |
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| CN201910386747.8A Pending CN110006801A (en) | 2019-05-10 | 2019-05-10 | A kind of atmospheric dust concentration detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289412A (en) * | 2020-02-10 | 2020-06-16 | 江西众安职业危害评价检测有限公司 | Individual dust sampling and measuring method |
| CN111351731A (en) * | 2020-04-16 | 2020-06-30 | 中煤科工集团重庆研究院有限公司 | Mine working flour dust hazard on-line monitoring system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300830A (en) * | 2015-11-03 | 2016-02-03 | 大余县东宏锡制品有限公司 | Automatic environment air quality monitoring system |
| CN105606501A (en) * | 2015-12-17 | 2016-05-25 | 小米科技有限责任公司 | Dust concentration detection method and apparatus |
| CN105606499A (en) * | 2015-11-12 | 2016-05-25 | 南京信息工程大学 | Suspended particulate matter mass concentration real-time detection device, and measuring method |
| KR20160123762A (en) * | 2015-04-17 | 2016-10-26 | 윤영훈 | Apparatus for measuring particulate matter with thermo-hygrostat chamber |
| CN108844848A (en) * | 2018-06-15 | 2018-11-20 | 福建汇顺职业健康评价有限公司 | Air-borne dust detection method in a kind of workplace |
-
2019
- 2019-05-10 CN CN201910386747.8A patent/CN110006801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160123762A (en) * | 2015-04-17 | 2016-10-26 | 윤영훈 | Apparatus for measuring particulate matter with thermo-hygrostat chamber |
| CN105300830A (en) * | 2015-11-03 | 2016-02-03 | 大余县东宏锡制品有限公司 | Automatic environment air quality monitoring system |
| CN105606499A (en) * | 2015-11-12 | 2016-05-25 | 南京信息工程大学 | Suspended particulate matter mass concentration real-time detection device, and measuring method |
| CN105606501A (en) * | 2015-12-17 | 2016-05-25 | 小米科技有限责任公司 | Dust concentration detection method and apparatus |
| CN108844848A (en) * | 2018-06-15 | 2018-11-20 | 福建汇顺职业健康评价有限公司 | Air-borne dust detection method in a kind of workplace |
Non-Patent Citations (1)
| Title |
|---|
| 候宇刚 等: "粉尘在线监测监控系统在煤矿企业的应用", 《采矿技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289412A (en) * | 2020-02-10 | 2020-06-16 | 江西众安职业危害评价检测有限公司 | Individual dust sampling and measuring method |
| CN111351731A (en) * | 2020-04-16 | 2020-06-30 | 中煤科工集团重庆研究院有限公司 | Mine working flour dust hazard on-line monitoring system and method |
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Application publication date: 20190712 |