CN107655801A - A kind of dust sensor detecting system - Google Patents
A kind of dust sensor detecting system Download PDFInfo
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- CN107655801A CN107655801A CN201710941810.0A CN201710941810A CN107655801A CN 107655801 A CN107655801 A CN 107655801A CN 201710941810 A CN201710941810 A CN 201710941810A CN 107655801 A CN107655801 A CN 107655801A
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- 239000000428 dust Substances 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 23
- 238000012937 correction Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 description 7
- 230000005693 optoelectronics Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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—
-
- 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
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
Abstract
The invention discloses a kind of dust sensor detecting system, and it includes master control borad, several standard transducers being connected with the master control borad and multiple sensors to be tested；In test process, the master control borad, which reads first of the standard transducer in certain time and need to detect the second of data and the sensor to be tested, need to detect data, and need to detect data according to described first and whether described second need to detect the data judging sensor to be tested qualified.Production test efficiency can be effectively improved by using the dust sensor detecting system of the present invention, testing cost is reduced and product warehouse-out consistency of performance is high.
Description
Technical field
The present invention relates to a kind of dust detection field, more particularly to a kind of dust sensor detecting system.
Background technology
Dust sensor is that one kind is counted using MIE scattering theories to suspended particulate in air or mass concentration is surveyed
The device of amount, generally, dust sensor have an air channel, a light-emitting tube, lens and a receiver.During work, powder
Light-emitting tube transmitting light extraction in dust sensor, scattering is produced during dust of the light in the air stream in running into air channel, part dissipates
Penetrate light and return to receiver and be converted into electric signal, further by calculating the dust concentration analyzed in air.
In the production process of dust sensor, in order to ensure product export performance, in the prior art, typically by artificial
Observation detecting instrument carries out test checking to sensor, but this method inevitably has following problem：First, produce
Efficiency is low and cost is high；2nd, maloperation phenomenon easily occurs, makes products export uniformity not high；3rd, detecting instrument exists in itself
Certain deviation, easily cause test result error.
The content of the invention
It is an object of the invention to provide a kind of dust sensor detecting system, by using the dust sensor detecting system
Production test efficiency can be effectively improved, testing cost is reduced and product warehouse-out consistency of performance is high.
To achieve these goals, the technical scheme is that：
A kind of dust sensor detecting system, it includes：Master control borad, several standards being connected with master control borad sensing
Device and multiple sensors to be tested；
In test process, the master control borad read first of the standard transducer in certain time need to detect data and
The second of the sensor to be tested need to detect data, and need to detect data and described second according to described first and need to detect data
Judge whether the sensor to be tested is qualified；
Wherein, described first, second data type that need to detect data includes dust sensor：Voltage order one exports
Value, secondary voltage output valve, voltage order one correction voltage value, secondary voltage correction voltage value, interference signal intensity, opto-electronic receiver
One or more of pipe offset and dust concentration output valve；
And first the data type that need to detect data include the second of all sensors to be tested data that need to detect data
Type.
As a kind of specific embodiment, the master control borad includes：The master control borad includes：
Several sensors control CPU, and it is connected with the sensor to be tested and standard transducer, and a sensor
CPU connection one sensor or standard transducer to be tested are controlled, the sensor control CPU needs to examine for reading described first
Survey data or second need to detect data；
Data processing CPU, first for being read according to sensor control CPU, which need to detect data and second, needs to examine
Survey data and judge whether sensor to be tested is qualified.
It is described to control what CPU read first detect data according to the sensor as a kind of specific embodiment
Testing number is needed with second it is judged that whether sensor to be tested is qualified specially：
When second need to detect data and only include a type of data, the data processing CPU is according to the first decision principle
Whether judge to read second need to detect data normal；
If so, then judge that the sensor to be tested is qualified, if it is not, then judging that the sensor to be tested is unqualified；
When second need to detect data and include polytype data, the data processing CPU is according to the first decision principle point
Whether not judging described polytype second, need to detect data normal；
If so, then judge that the sensor to be tested is qualified, if it is not, then judging that the sensor to be tested is unqualified.
As a kind of specific embodiment, first decision principle includes：
If read in read access time second need to detect data is more than or equal to skew in the accounting limited in skew section
It is normal need to detect data for threshold value, then judgement second；
If read in read access time second need to detect data is less than offset threshold in the accounting limited in skew section,
Then it is abnormal need to detect data for judgement second；
It is described limit skew section as：Data grid technology need to be detected with read first, data need to be detected according to second
Restriction deviation range, delimit limit skew section；
Wherein, different types of second data need to be detected, it is different that it limits deviation range；Different types of second needs to detect
The offset threshold of data is also different.
As a kind of specific embodiment, the sensor control CPU is additionally operable to detect connected standard transducer
With the model of sensor to be tested；
The data processing CPU be additionally operable to according to the model of standard transducer determine the first type that need to detect data, with
And testing standard corresponding with model sensor to be tested is determined according to the model of sensor to be tested.
Further, the testing standard includes：Second need to detect the type of data, test starting condition, different type
The second restriction deviation range and offset threshold that need to detect data.
As a kind of specific embodiment, multiple qualified indicator lamps and unqualified instruction are also associated with the master control borad
Lamp；
When result of determination is qualified, the data processing CPU controls are qualified with the sensor relevant position to be tested
Indicator lamp lights；
When result of determination is unqualified, the data processing CPU controls and the sensor relevant position to be tested are not
Qualified indicator lamp lights.
As a kind of specific embodiment, sensor control CPU be additionally operable to detect sensor to be tested whether with its
The sensor control CPU of position correspondence is normally connected, and multiple connection indicator lamps is also associated with the master control borad, the connection refers to
Show that lamp is used to indicate that sensor to be tested sensor control CPU whether corresponding with the sensing station to be tested normally connects
Connect, wherein the position correspondence of the connection indicator lamp and the sensor to be tested.
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；Or the serial line interface for being connected with PC.
Further, the wireless communication module includes ZigBee module, bluetooth module, WiFi module or mobile communication mould
Block.
As a kind of specific embodiment, the mobile operating terminal can be used for setting the testing standard.
As a kind of specific embodiment, the test starting condition is：The dust concentration output of the standard transducer
It is worth for 75-300mg/m3。
Compared with prior art, the present invention has following technique effect：
The dust sensor detecting system of the present invention, it is by master control borad, several standards being connected with the master control borad
Sensor and multiple sensors to be tested, in test process, data and to be tested are detected by the need for reading standard transducer
The need detection data of sensor, it is and whether qualified according to the data automatic decision sensor to be tested that need to detect, it is effective to carry
High production test efficiency.Further, the detecting system can be once tested multiple sensors to be tested, further increased
Production test efficiency.
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 a kind of structural representation of the dust sensor detecting system of the present invention；
Fig. 2 is another structural representation of the dust sensor detecting system of the present invention.
Fig. 3 is the third structural representation of the dust sensor detecting system of the present invention.
Embodiment
Fig. 1-3 are referred to, a kind of dust sensor detecting system, it includes：Master control borad 100, connect with the master control borad 100
Several standard transducers 200 and multiple sensors to be tested 300 connect.
In test process, the master control borad read first of the standard transducer in certain time need to detect data and
The second of the sensor to be tested need to detect data, and need to detect data and described second according to described first and need to detect data
Judge whether the sensor to be tested is qualified；
Wherein, described first, second data type that need to detect data includes dust sensor：Voltage order one exports
Value, secondary voltage output valve, voltage order one correction voltage value, secondary voltage correction voltage value, interference signal intensity, opto-electronic receiver
One or more of pipe offset and dust concentration output valve；
And first the data type that need to detect data include the second of all sensors to be tested data that need to detect data
Type.Namely the data type that the needs of standard transducer detect, include the data that all sensor needs to be tested detect
Type.
Wherein, one-level amplifying circuit, second amplifying circuit are included in standard transducer and sensor to be tested.It is described
Voltage order one output valve, secondary voltage output valve are the one-level amplifying circuit, the voltage output value of second amplifying circuit.
Embodiment 1
As shown in Fig. 2 the master control borad 100 includes：Several sensors control CPU400, itself and the sensing to be tested
Device 300 and standard transducer 200 connect, and sensor control CPU connection one sensor or standard transducer to be tested.
Wherein, sensor control CPU is used to reading described first and need to detect data or second need to detect data.Specifically
Ground, when sensor control CPU is connected with standard transducer, data need to be detected for reading first；When the sensor
When control CPU is connected with sensor to be tested, data need to be detected for reading second.
The sensor control CPU is additionally operable to detect the model of connected standard transducer and sensor to be tested.
Wherein, the model of standard transducer and sensor to be tested can be obtained by serial communication traversal queries.Certainly, in addition to other
Existing model detection method, is not being repeated herein.
Sensor control CPU is additionally operable to detect whether sensor to be tested controls with the sensor of its position correspondence
CPU is normally connected.
The master control borad 100 also includes：Data processing CPU500, for controlling what CPU was read according to the sensor
First, which need to detect data and second, needs testing number it is judged that whether sensor to be tested is qualified.
Wherein, it is described control CPU to read according to the sensor first need to detect data and second and need to detect data
Judging whether sensor to be tested is qualified is specially：
When second need to detect data and only include a type of data, the data processing CPU is according to the first decision principle
Whether judge to read second need to detect data normal；
If so, then judge that the sensor to be tested is qualified, if it is not, then judging that the sensor to be tested is unqualified；
When second need to detect data and include polytype data, the data processing CPU is according to the first decision principle point
Whether not judging described polytype second, need to detect data normal；
If so, then judge that the sensor to be tested is qualified, if it is not, then judging that the sensor to be tested is unqualified.
Wherein, wherein, first decision principle includes：
If read in read access time second need to detect data is more than or equal to skew in the accounting limited in skew section
It is normal need to detect data for threshold value, then judgement second；
If read in read access time second need to detect data is less than offset threshold in the accounting limited in skew section,
Then it is abnormal need to detect data for judgement second；
It is described limit skew section as：Data grid technology need to be detected with read first, data need to be detected according to second
Restriction deviation range, delimit limit skew section；
Wherein, different types of second data need to be detected, it is different that it limits deviation range；Different types of second needs to detect
The offset threshold of data is also different.
In embodiments of the present invention, second read in calculating read access time need to detect data and limit skew section
The method of interior accounting, Ke Yishi：First in read access time need to be detected into data and second need to detect data curved, and root
Data need to be detected according to the second restriction deviation range that need to detect data and first and delimit restriction skew section, then need to examine by second
Survey data and curves and be compared with limiting skew section, calculate accounting in section.Such as：The first of voltage order one output valve is sentenced
Determining principle is：If in read access time all voltage order one output valves voltage order one output valve limit section in accounting be more than etc.
In 80%, then judge that voltage order one output valve is normal.
The test starting condition is：When the dust concentration output valve of the standard transducer is 75-300mg/m3。
The data processing CPU500 is additionally operable to determine the first type that need to detect data according to the model of standard transducer,
Namely the data type that model standard transducer needs detect.
Such as the first type that need to detect data that model A standard transducer includes is：Voltage order one output valve, two
Step voltage output valve, voltage order one correction voltage value, secondary voltage correction voltage value, photoelectric receiving tube offset and dust concentration
Output valve.
The first type that need to detect data that model B standard transducer includes is：Voltage order one output valve, secondary voltage
Output valve, interference signal intensity, photoelectric receiving tube offset and dust concentration output valve.
The data processing CPU500 is additionally operable to be determined and model sensing to be tested according to the model of sensor to be tested
Testing standard corresponding to device.
The testing standard includes：The testing standard includes：Second need to detect the type of data, test starting condition,
Different types of second need to detect the restriction deviation range of data and offset threshold etc..
For example, its testing standard of model M sensor to be tested is：
Voltage order one output valve need to be detected, (namely second need testing number for secondary voltage output valve and dust concentration output valve
According to type)；
When the dust concentration output valve of the standard transducer is 150mg/m3(namely test starting condition)；
The deviation range of voltage order one output valve is that the deviation range of ± 10%, secondary voltage output valve is ± 15%, powder
The deviation range of dust concentration output valve is ± 8% (namely different types of second restriction deviation range that need to detect data)；
The offset threshold of voltage order one output valve is 80%, the offset threshold of secondary voltage output valve is 85%, dust is dense
The deviation range of degree output valve for 90% (namely different types of second offset threshold that need to detect data) etc..
Wherein, in one embodiment, multiple qualified indicator lamps and unqualified instruction are also associated with the master control borad
Lamp；When result of determination is qualified, the data processing CPU controls and the qualified indicator lamp of the sensor relevant position to be tested
Light；When result of determination is unqualified, the data processing CPU controls are unqualified with the sensor relevant position to be tested
Indicator lamp lights.
In one embodiment, multiple connection indicator lamps are also associated with the master control borad, the connection indicator lamp is used
In indicating that sensor to be tested sensor control CPU whether corresponding with the sensing station to be tested normally connects, wherein,
The position correspondence of the connection indicator lamp and the sensor to be tested.
The detection method of the dust sensor of the embodiment of the present invention includes：
Sensor control CPU detects whether sensor to be tested is normally connected with the sensor control CPU of its position correspondence；
If it is not, then judge that the sensor to be tested is unqualified；
If so, the then model of sensor control CPU examination criteria sensors, and corresponding connection indicator lamp lights；
Data processing CPU determines the first type that need to detect data according to the model of standard transducer, and according to be measured
The model for trying sensor determines testing standard corresponding with model sensor to be tested.The testing standard includes：Second needs
The type of data is detected, test starting condition, different types of second need to detect the restriction deviation range and offset threshold of data
Deng.
When meeting test starting condition, such as treat that environment with respect to the dust concentration output valve of stability criterion sensor is 75-
300mg/m3, test starting.
Sensor control CPU, which reads the second of the sensor to be tested, need to detect the of data or the standard transducer
One need to detect data.
Data processing CPU according to the sensor control that CPU reads first, second need to detect data judging to be tested
Whether sensor is qualified.When the multiple sensor model number differences to be tested determined, then simultaneously with different testing standards
Corresponding sensor to be tested is judged respectively.
If qualified, the data processing CPU controls and the qualified indicator lamp of the sensor relevant position to be tested light；If
Unqualified, the data processing CPU controls and the unqualified indicator lamp of the sensor relevant position to be tested light.
The dust sensor detecting system of the present invention, it is by master control borad, several standards being connected with the master control borad
Sensor and multiple sensors to be tested, in test process, data and to be tested are detected by the need for reading standard transducer
The need detection data of sensor, it is and whether qualified according to the data automatic decision sensor to be tested that need to detect, it is effective to carry
High production test efficiency.Further, the detecting system can be once tested multiple sensors to be tested, further increased
Production test efficiency.
Embodiment 2
The present embodiment and the technical scheme of embodiment 1 are essentially identical, and its main distinction is：As shown in figure 3, the present embodiment
The master control borad 100 on be additionally provided with wireless communication module for being connected with the signal of mobile operating terminal 600；Or for
The serial line interface (not shown) of PC connections.Preferably, the wireless communication module include ZigBee module, bluetooth module,
WiFi module or mobile communication module.
The mobile operating terminal can be used for setting the testing standard.
Wherein, the mobile terminal is mobile phone or PC etc., in actual use, can be sent by mobile phone or PC
Test starting information, the testing standard is configured.Meanwhile master control borad can by the related data of sensor to be tested and
For detection retrieval synchronous transfer into mobile phone or PC, operator can check test result by mobile phone or PC.
The dust sensor detecting system of the embodiment of the present invention, it is connected some by master control borad with the master control borad
Individual standard transducer and multiple sensors to be tested, in test process, by read standard transducer need detect data and
The need detection data of sensor to be tested, and it is whether qualified according to the data automatic decision sensor to be tested that need to detect, have
Raising production test efficiency is imitated.Further, the detecting system can be once tested multiple sensors to be tested, further
Improve production test efficiency.
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 changes and deformation belong 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 deformation.
Claims (10)
- A kind of 1. dust sensor detecting system, it is characterised in that including：Master control borad, several standard transducers being connected with the master control borad and multiple sensors to be tested；In test process, the master control borad, which reads first of the standard transducer in certain time, need to detect data and described The second of sensor to be tested need to detect data, and need to detect data and described second according to described first and need to detect data judging Whether the sensor to be tested is qualified；Wherein, described first, second data type that need to detect data includes dust sensor：Voltage order one output valve, two Step voltage output valve, voltage order one correction voltage value, secondary voltage correction voltage value, interference signal intensity, photoelectric receiving tube are inclined One or more of shifting amount and dust concentration output valve；And first the data type that need to detect data include the second of all sensors to be tested data types that need to detect data.
- 2. dust sensor detecting system according to claim 1, it is characterised in that the master control borad includes：Several sensors control CPU, and it is connected with the sensor to be tested and standard transducer, and a sensor control CPU connections one sensor or standard transducer to be tested, the sensor control CPU need testing number for reading described first According to or second need to detect data；Data processing CPU, first for being read according to sensor control CPU, which need to detect data and second, needs testing number It is judged that whether sensor to be tested is qualified.
- 3. dust sensor detecting system according to claim 2, it is characterised in that described to be controlled according to the sensor CPU read first need to detect data and second need testing number it is judged that sensor to be tested it is whether qualified be specially：When second need to detect data and only include a type of data, the data processing CPU judges according to the first decision principle Whether second read need to detect data normal；If so, then judge that the sensor to be tested is qualified, if it is not, then judging that the sensor to be tested is unqualified；When second need to detect data and include polytype data, the data processing CPU sentences respectively according to the first decision principle Whether disconnected described polytype second need to detect data normal；If so, then judge that the sensor to be tested is qualified, if it is not, then judging that the sensor to be tested is unqualified.
- 4. dust sensor detecting system according to claim 3, it is characterised in that first decision principle includes：If read in read access time second need to detect data is more than or equal to offset threshold in the accounting limited in skew section, Then it is normal need to detect data for judgement second；If read in read access time second need to detect data is less than offset threshold in the accounting limited in skew section, sentence Fixed second need to detect data abnormal；It is described limit skew section as：Data grid technology need to be detected with read first, according to the second limit that need to detect data Determine deviation range, delimit and limit skew section；Wherein, different types of second data need to be detected, it is different that it limits deviation range；Different types of second need to detect data Offset threshold it is also different.
- 5. dust sensor detecting system according to claim 2, it is characterised in that：The sensor control CPU is additionally operable to detect the model of connected standard transducer and sensor to be tested；The data processing CPU is additionally operable to determine that first need to detect the type of data, Yi Jigen according to the model of standard transducer Testing standard corresponding with model sensor to be tested is determined according to the model of sensor to be tested.
- 6. dust sensor detecting system according to claim 5, it is characterised in that：The testing standard includes：Second The type of data need to be detected, test starting condition, different types of second need to detect the restriction deviation range of data and skew threshold Value.
- 7. according to the dust sensor detecting system described in claim any one of 2-6, it is characterised in that：On the master control borad also It is connected with multiple qualified indicator lamps and unqualified indicator lamp；When result of determination is qualified, the data processing CPU controls and the qualified instruction of the sensor relevant position to be tested Lamp lights；When result of determination is unqualified, the data processing CPU controls are unqualified with the sensor relevant position to be tested Indicator lamp lights.
- 8. according to the dust sensor detecting system described in claim any one of 2-6, it is characterised in that：The sensor control CPU is additionally operable to detect whether sensor to be tested is normally connected with the sensor control CPU of its position correspondence, on the master control borad Be also associated with multiple connection indicator lamps, the connection indicator lamp be used to indicating sensor to be tested whether with the sensing to be tested The sensor control CPU of device position correspondence is normally connected, wherein the position correspondence of the connection indicator lamp and the sensor to be tested.
- 9. dust sensor detecting system according to claim 1, it is characterised in that：Use is additionally provided with the master control borad In the wireless communication module being connected with mobile operating terminal signal；Or the serial line interface for being connected with PC.
- 10. dust sensor detecting system according to claim 9, it is characterised in that：The wireless communication module includes ZigBee module, bluetooth module, WiFi module or mobile communication module.
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| CN201710941810.0A CN107655801A (en) | 2017-10-11 | 2017-10-11 | A kind of dust sensor detecting system |
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| CN201710941810.0A CN107655801A (en) | 2017-10-11 | 2017-10-11 | A kind of dust sensor detecting system |
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| 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 |
| CN114877852A (en) * | 2022-06-14 | 2022-08-09 | 江铃汽车股份有限公司 | Detection equipment and detection method for steering wheel angle sensor |
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