CN106990028A - A kind of sensor of dust concentration calibration system - Google Patents

A kind of sensor of dust concentration calibration system Download PDF

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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
Authority
CN
China
Prior art keywords
sensor
master control
control borad
dust
calibration system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710433138.4A
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Chinese (zh)
Inventor
江舫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Loew Intelligent Technology Co Ltd
Original Assignee
Guangzhou Loew Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Loew Intelligent Technology Co Ltd filed Critical Guangzhou Loew Intelligent Technology Co Ltd
Priority to CN201710433138.4A priority Critical patent/CN106990028A/en
Publication of CN106990028A publication Critical patent/CN106990028A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • G01N2015/0693Investigating concentration of particle suspensions by optical means, e.g. by integrated nephelometry

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

A kind of sensor of dust concentration calibration system
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.
CN201710433138.4A 2017-06-09 2017-06-09 A kind of sensor of dust concentration calibration system Pending CN106990028A (en)

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CN201710433138.4A CN106990028A (en) 2017-06-09 2017-06-09 A kind of sensor of dust concentration calibration system

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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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Cited By (4)

* Cited by examiner, † Cited by third party
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 A kind of dust sensor method of inspection and device

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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 (4)

* Cited by examiner, † Cited by third party
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 A kind of dust sensor method of inspection and device

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Application publication date: 20170728

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