CN106990028A - A kind of sensor of dust concentration calibration system - Google Patents
A kind of sensor of dust concentration calibration system Download PDFInfo
- Publication number
- CN106990028A CN106990028A CN201710433138.4A CN201710433138A CN106990028A CN 106990028 A CN106990028 A CN 106990028A CN 201710433138 A CN201710433138 A CN 201710433138A CN 106990028 A CN106990028 A CN 106990028A
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- sensor
- master control
- control borad
- dust
- calibration system
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- 239000000428 dust Substances 0.000 title claims abstract description 52
- 238000005259 measurement Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 18
- 238000000149 argon plasma sintering Methods 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of sensor of dust concentration calibration system, master control borad, several standard transducers and several scaling boards；The standard transducer, it is connected with the master control borad, the first measurement concentration value to dust in measuring environment；Several described scaling boards, it is connected with master control borad communication.The sensor of dust concentration calibration system of the present invention produces simple proving operation, demarcation efficiency high and demarcation is accurate, so as to improve the qualification rate of product.
Description
Technical field
The present invention relates to a kind of sensor technical field, more particularly to a kind of sensor of dust concentration calibration system.
Background technology
Sensor of dust concentration is that one kind is counted using MIE scattering theories to suspended particulate in air or quality is dense
Spend the device of measurement, be mainly used in dust work place, can in real time, on the spot, in continuous continual monitoring display place
Total dust concentration, while other device for reducing dust signals are connected with sprinkle water and spray etc., to realize the optimum efficiency of dust measuring depositing dust.
Because the dust concentration in different work place is different, light scattering coefficient is also different, in order to measure precisely, in sensor
Need to be demarcated under different dust concentration environment in production process, with to sensor of dust concentration in different concentration rings
Proportionality coefficient under border carries out calculating compensating approach etc..
But, generally use in the prior art and manually product is compared one by one, the mark that potentiometer is adjusted manually is adjusted
Determine method, time-consuming for demarcation, low production efficiency and operating error rate is high so that product quality differs.
The content of the invention
It is an object of the invention to provide a kind of sensor of dust concentration calibration system, calibration system production proving operation letter
Singly, demarcate efficiency high and demarcation is accurate, so as to improve the qualification rate of product.
To achieve these goals, the technical scheme is that：
A kind of sensor of dust concentration calibration system, it includes：Master control borad, several standard transducers and several demarcation
Plate；The standard transducer, it is connected with the master control borad, the first measurement concentration value to dust in measuring environment；It is described
Several scaling boards, it is connected with master control borad communication；In demarcation, a sensor to be marked is connected with a scaling board,
Wherein, the sensor to be marked is used for the second measurement concentration value of dust in measuring environment；The master control borad reads described first
Concentration value is measured, and the standard density is obtained according to the described first measurement concentration value calculating, and the standard density is sent
To the scaling board；The scaling board receives the standard density, and according to the standard density and the second measurement concentration
Value corrects the dust light scattering proportionality coefficient of sensor to be marked, and treats mark sensor and is demarcated.
As a kind of specific embodiment, if the system includes a standard transducer, the standard density is should
The first measurement concentration value that standard transducer measurement is obtained.
If the system includes at least two standard transducers, the standard density senses at least two standard
The average value at least two first measurement concentration values that device measurement is obtained.
As a kind of specific embodiment, the scaling board be additionally operable to detect the scaling board with and treating of being connected of the scaling board
Whether mark sensor connects normally, if so, then the scaling board sends confirmation signal to master control borad.
As a kind of specific embodiment, the scaling board is additionally operable to when the dust light scattering proportionality coefficient amendment is completed
After send the standard density to sensor to be marked, make to show the standard density on sensor to be marked.
As a kind of specific embodiment, the scaling board is additionally operable to detect whether to receive what the sensor to be marked was sent
Feedback signal, if so, then sending demarcation pass signal to the master control borad according to the feedback signal；If it is not, then sending demarcation
Failure signal is to the master control borad.
As a kind of specific embodiment, it is additionally provided with the master control borad for being connected with mobile operating terminal signal
Wireless communication module.
Further, the mobile operating terminal is instructed to the master control borad for sending proving operation, the mobile behaviour
It is additionally operable to receive the demarcation exception or demarcation pass signal of the master control borad, and standard transducer and sensor to be marked as terminal
The first measurement concentration value, the second measurement concentration value, the mobile operating terminal is additionally operable to show the demarcation shape of sensor to be marked
State, the demarcation state includes initial data (the second measurement concentration value), display data (the first measurement concentration that sensor is detected
Value) demarcation is abnormal or demarcates successfully.
Further, the wireless communication module includes ZigBee module, bluetooth module, WiFi module or mobile communication mould
Block.
As a kind of specific embodiment, several standard transducer interfaces are provided with the master control borad and one is connected with
Communication bus, the master control borad and several described scaling boards are connected with the communication bus.
As a kind of specific embodiment, several described scaling boards are each equipped with the physical address of a fixation.
Compared with prior art, the present invention has following technique effect：
The sensor of dust concentration calibration system of the present invention, it is by master control borad, the standard transducer being connected with master control borad
And scaling board, further sensor to be marked is linked together with scaling board, in demarcation, gathered by reading standard transducer
Dust concentration and sensor mark collection dust concentration, correct the dust scattering coefficient ratio of sensor to be marked, complete to treat
Mark sensor demarcation, it is convenient and swift and demarcation stablize accurate.
Further, the system is provided with multiple scaling boards, it is possible to achieve while the multiple sensors to be marked of demarcation, are further carried
High demarcation efficiency.
Further, in order that whole system is easy to operate, calibration system of the invention also includes and master control borad communication
The mobile operating terminal of connection, demarcation instruction can be directly assigned by terminal, the demarcation state of sensor is shown, grasps system
Facilitate, improve man-machine interaction.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the sensor of dust concentration calibration system of the present invention；
Fig. 2 is the sensor of dust concentration calibration system of the present invention and the connection diagram of mobile operating terminal.
Embodiment
Refer to Fig. 1-2, a kind of sensor of dust concentration calibration system, it includes master control borad 100, several standards sensing
Device 200 and several scaling boards 300 being connected with master control borad communication.
Wherein, several described scaling boards 300 are each equipped with the physical address of a fixation, and each physical address is not
Together.
Several standard transducer interfaces are provided with the master control borad 100.The standard transducer 200, its with it is described
Master control borad is connected, and specifically, is connected with the standard transducer interface on the master control borad.
The master control borad 100 is also associated with a communication bus 400, the master control borad 100 and several described scaling boards 300
It is connected with the communication bus 400.As shown in figure 1, being connected with scaling board 301, scaling board 302, demarcation on communication bus 400
Plate 303 and scaling board 30n.
In demarcation, a sensor 500 to be marked is connected with a scaling board 300.As shown in figure 1, sensor 501 to be marked
It is connected with scaling board 301, sensor 502 to be marked is connected with scaling board 302, sensor 503 to be marked is connected with scaling board 303, is treated
Mark sensor 50n is connected with scaling board 30n.
Wherein, the standard transducer 200 is used to the first measurement concentration value of dust in measuring environment.
The sensor to be marked 500 is used for the second measurement concentration value of dust in measuring environment.
The master control borad 100 reads the first measurement concentration value, and is obtained according to the described first measurement concentration value calculating
The standard density, and the standard density is sent to the scaling board；The scaling board receives the standard density, and
According to the standard density and the dust light scattering proportionality coefficient of the second measurement concentration value amendment sensor to be marked, treat mark and pass
Sensor is demarcated.
Wherein, if the system includes a standard transducer 200, the standard density measures for the standard transducer
The first obtained measurement concentration value.
If the system includes at least two standard transducers 200, the standard density is at least two standard
The average value at least two first measurement concentration values that sensor measurement is obtained.
Wherein, the scaling board 300 be additionally operable to detect the scaling board with and the sensor to be marked that is connected of the scaling board whether
Connection is normal, if so, then the scaling board sends confirmation signal to master control borad.It should here be understood that being：Scaling board 301, which is detected, to be waited to mark
Whether sensor 501 is connected normally with it, in this way, then scaling board 301 sends confirmation signal to master control borad 100.
The scaling board 300 is additionally operable to send the normal concentration after the completion of the dust light scattering proportionality coefficient amendment
Value makes to show the standard density on sensor to be marked to sensor to be marked.
The scaling board 300 is additionally operable to detect whether to receive the feedback signal that the sensor to be marked is sent, if so, then root
Demarcation pass signal is sent to the master control borad according to the feedback signal；If it is not, then sending demarcation failure signal to the master control
Plate.
The scaling board 300 is also with reading sensor raw sensor data to be marked and be uploaded to the master control borad.
As shown in Fig. 2 being additionally provided with the master control borad 100 wireless for what is be connected with the signal of mobile operating terminal 600
Communication module 110.
The mobile operating terminal 600 is instructed to the master control borad 100 for sending proving operation, and the moving operation is whole
End is additionally operable to receive the demarcation exception or demarcation pass signal of the master control borad, and the mobile operating terminal, which is additionally operable to show, to be waited to mark
The demarcation state of sensor, the demarcation state includes demarcation exception or demarcated successfully.
Preferably, the wireless communication module includes ZigBee module, bluetooth module, WiFi module or mobile communication mould
Block.
The sensor of dust concentration calibration system of the present invention, it is by master control borad, the standard transducer being connected with master control borad
And scaling board, further sensor to be marked is linked together with scaling board, in demarcation, gathered by reading standard transducer
Dust concentration and sensor mark collection dust concentration, correct the dust scattering coefficient ratio of sensor to be marked, complete to treat
Mark sensor demarcation, it is convenient and swift and demarcation stablize accurate.
Further, the system is provided with multiple scaling boards, it is possible to achieve while the multiple sensors to be marked of demarcation, are further carried
High demarcation efficiency.
Further, in order that whole system is easy to operate, calibration system of the invention also includes and master control borad communication
The mobile operating terminal of connection, demarcation instruction can be directly assigned by terminal, the demarcation state of sensor is shown, grasps system
Facilitate, improve man-machine interaction.
Below exemplified by being applied in the complete set dust sensor production process of applicant by the calibration system of the present invention：Phase
Demarcated compared with manually being operated by proving operation personnel in the prior art, using the calibration system of the present invention, efficiency has
Greatly improve, and reduce proving operation personnel, fewer in number to original 1/5.Demarcation production capacity improves 6 times.Meanwhile,
The fraction defective of dust sensor is set to drop to 0.5% from 20%, the uniformity of test is lifted to ± 10% from ± 30%.
The invention is not limited in above-mentioned embodiment, if the various changes or deformation to the present invention do not depart from the present invention
Spirit and scope, if these are changed and deformation belongs within the scope of the claim and equivalent technologies of the present invention, then this hair
It is bright to be also intended to comprising these changes and deform.
Claims (10)
1. a kind of sensor of dust concentration calibration system, it is characterised in that including：
Master control borad, several standard transducers and several scaling boards；
The standard transducer, it is connected with the master control borad, the first measurement concentration value to dust in measuring environment；
Several described scaling boards, it is connected with master control borad communication；
In demarcation, a sensor to be marked is connected with a scaling board, wherein, the sensor to be marked is used in measuring environment
Second measurement concentration value of dust；The master control borad reads the first measurement concentration value, and according to the described first measurement concentration
Value calculating obtains the standard density, and the standard density is sent into the scaling board；The scaling board receives the mark
Quasi- concentration value, and according to the standard density and the dust light scattering ratio system of the second measurement concentration value amendment sensor to be marked
Number, treats mark sensor and is demarcated.
2. sensor of dust concentration calibration system according to claim 1, it is characterised in that：
If the system includes a standard transducer, the standard density is the first survey that the standard transducer measurement is obtained
Measure concentration value；
If the system includes at least two standard transducers, the standard density is surveyed at least two standard transducer
The average value of at least two first measurement concentration values measured.
3. sensor of dust concentration calibration system according to claim 1, it is characterised in that：The scaling board is additionally operable to inspection
Survey the scaling board with and the sensor to be marked that is connected of the scaling board whether connect normally, if so, then the scaling board sends confirmation letter
Number to master control borad.
4. sensor of dust concentration calibration system according to claim 1, it is characterised in that：The scaling board is additionally operable to work as
The standard density is sent to sensor to be marked after the completion of the dust light scattering proportionality coefficient amendment, is made on sensor to be marked
Show the standard density.
5. sensor of dust concentration calibration system according to claim 4, it is characterised in that：The scaling board is additionally operable to inspection
Survey and whether receive the feedback signal that the sensor to be marked is sent, successfully believe if so, then sending to demarcate according to the feedback signal
Number to the master control borad；If it is not, then sending demarcation failure signal to the master control borad.
6. sensor of dust concentration calibration system according to claim 1, it is characterised in that：Also set up on the master control borad
There is the wireless communication module for being connected with mobile operating terminal signal.
7. sensor of dust concentration calibration system according to claim 6, it is characterised in that：The mobile operating terminal is used
Instructed in sending proving operation to the master control borad, the demarcation that the mobile operating terminal is additionally operable to receive the master control borad is abnormal
Or pass signal is demarcated, the mobile operating terminal is additionally operable to show the demarcation state of sensor to be marked, the demarcation state bag
Initial data, the display data of sensor detection are included, and calibration result is abnormal or demarcates successfully.
8. sensor of dust concentration calibration system according to claim 6, it is characterised in that：The wireless communication module bag
Include ZigBee module, bluetooth module, WiFi module or mobile communication module.
9. sensor of dust concentration calibration system according to claim 1, it is characterised in that：It is provided with the master control borad
Several standard transducer interfaces lead to a communication bus, the master control borad and several described scaling boards are connected with described
Interrogate bus connection.
10. sensor of dust concentration calibration system according to claim 1, it is characterised in that：Several described scaling boards
It is each equipped with the physical address of a fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433138.4A CN106990028A (en) | 2017-06-09 | 2017-06-09 | A kind of sensor of dust concentration calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433138.4A CN106990028A (en) | 2017-06-09 | 2017-06-09 | A kind of sensor of dust concentration calibration system |
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| Publication Number | Publication Date |
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| CN106990028A true CN106990028A (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710433138.4A Pending CN106990028A (en) | 2017-06-09 | 2017-06-09 | A kind of sensor of dust concentration calibration system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655801A (en) * | 2017-10-11 | 2018-02-02 | 广州格软智能科技有限公司 | A kind of dust sensor detecting system |
| CN109813847A (en) * | 2019-01-31 | 2019-05-28 | 上海源安安全科技有限公司 | A kind of management system and method for gas sensor |
| CN109991136A (en) * | 2019-03-05 | 2019-07-09 | 宁波澄朗环境技术有限公司 | Fugitive dust sensor calibrating method, apparatus and system |
| CN110208161A (en) * | 2019-07-15 | 2019-09-06 | 珠海格力电器股份有限公司 | Dust sensor inspection method and device |
| CN117969361A (en) * | 2024-04-01 | 2024-05-03 | 江苏日盈电子股份有限公司 | Calibration method of multifunctional PM2.5 detection device |
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| CN104198346A (en) * | 2014-08-26 | 2014-12-10 | 北京绿林创新数码科技有限公司 | Mobile phone controlled dust sensor monitoring system and use method thereof |
| CN105527207A (en) * | 2016-01-19 | 2016-04-27 | 罕王微电子（辽宁）有限公司 | PM2.5 transducer calibration method |
| CN105891080A (en) * | 2016-06-27 | 2016-08-24 | 广东美的制冷设备有限公司 | Calibration method for dust sensor and calibration device |
-
2017
- 2017-06-09 CN CN201710433138.4A patent/CN106990028A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198346A (en) * | 2014-08-26 | 2014-12-10 | 北京绿林创新数码科技有限公司 | Mobile phone controlled dust sensor monitoring system and use method thereof |
| CN105527207A (en) * | 2016-01-19 | 2016-04-27 | 罕王微电子（辽宁）有限公司 | PM2.5 transducer calibration method |
| CN105891080A (en) * | 2016-06-27 | 2016-08-24 | 广东美的制冷设备有限公司 | Calibration method for dust sensor and calibration device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655801A (en) * | 2017-10-11 | 2018-02-02 | 广州格软智能科技有限公司 | A kind of dust sensor detecting system |
| CN109813847A (en) * | 2019-01-31 | 2019-05-28 | 上海源安安全科技有限公司 | A kind of management system and method for gas sensor |
| CN109991136A (en) * | 2019-03-05 | 2019-07-09 | 宁波澄朗环境技术有限公司 | Fugitive dust sensor calibrating method, apparatus and system |
| CN110208161A (en) * | 2019-07-15 | 2019-09-06 | 珠海格力电器股份有限公司 | Dust sensor inspection method and device |
| CN117969361A (en) * | 2024-04-01 | 2024-05-03 | 江苏日盈电子股份有限公司 | Calibration method of multifunctional PM2.5 detection device |
| CN117969361B (en) * | 2024-04-01 | 2024-08-16 | 江苏日盈电子股份有限公司 | Calibration method of multifunctional PM2.5 detection device |
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