CN109724748A - Barometer calibration system - Google Patents
Barometer calibration system Download PDFInfo
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- CN109724748A CN109724748A CN201910132433.5A CN201910132433A CN109724748A CN 109724748 A CN109724748 A CN 109724748A CN 201910132433 A CN201910132433 A CN 201910132433A CN 109724748 A CN109724748 A CN 109724748A
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- calibration
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- temperature
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Abstract
The embodiment of the present invention provides a kind of barometer calibration system, belongs to sensor technical field.It include: the internal constant temperature and pressure equipment and data manipulation equipment for being placed with baroceptor；Wherein, the inside of constant temperature and pressure equipment is set to preset temperature and preset pressure；Data manipulation equipment, for after baroceptor reaches preset condition, obtain temperature quantized value and pressure quantized value that baroceptor measures, and according to temperature quantized value and pressure quantized value, and calibration algorithm is combined to carry out coefficient calibration, calibration factor is obtained, so that baroceptor carries out calibration output according to calibration factor.Due to that can carry out the calibration of baroceptor automatically, so that calibration efficiency is higher, and opposite manual calibration precision is higher.In addition, causing calibration result not accurate so as to overcome the problems, such as pressure and temperature larger fluctuation in calibration process due to using the improvement way in multiple mutually synthermal different pressures again independent temperature collection quantized value.
Description
Technical field
The present embodiments relate to sensor technical field more particularly to a kind of barometer calibration systems.
Background technique
Baroceptor requires calibration source that can be accurately measured and is controlled in calibration process, if pressed in calibration process
Power and temperature have larger fluctuation, this will lead to, and calibration result is not ideal enough, and pressure value and the true pressure value for calibrating output are inclined
Difference can be larger, and then influences baroceptor output accuracy.In the related art, because of actual environment alignment source trueness error and
Calibration operation gimmick relationship causes calibration output result to have deviation.
Summary of the invention
To solve the above-mentioned problems, the embodiment of the present invention provides one kind and overcomes the above problem or at least be partially solved
State the barometer calibration system of problem.
One side according to an embodiment of the present invention, provides a kind of barometer calibration system, which includes: internal placement
There are the constant temperature and pressure equipment and data manipulation equipment of baroceptor；Wherein, the inside of constant temperature and pressure equipment is set to preset
Temperature and preset pressure；Data manipulation equipment is measured for after baroceptor reaches preset condition, obtaining baroceptor
Temperature quantized value and pressure quantized value, and according to temperature quantized value and pressure quantized value, and calibration algorithm is combined to carry out coefficient
Calibration, obtains calibration factor, so that baroceptor carries out calibration output according to calibration factor.
System provided in an embodiment of the present invention, since the calibration of baroceptor can be carried out automatically, thus calibration efficiency
It is higher, and opposite manual calibration precision is higher.In addition, due to obviating multiple mutually synthermal but different pressures during conventional calibration
Power uses the way of same temperature quantized value, and using in multiple mutually synthermal different pressures again independent temperature collection amount
The improvement way of change value leads to calibration result not accurately so as to overcome pressure and temperature larger fluctuation in calibration process
Problem.Finally, solving equation mode using the substitution of improved nonlinear fitting mode come after solving more accurate calibration factor, school
Barebone can GN Normal Alignment so that calibration after barometer can provide higher precision calibration output.
It should be understood that above general description and following detailed description be it is exemplary and explanatory, can not
Limit the embodiment of the present invention.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of barometer calibration system provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of barometer calibration system provided in an embodiment of the present invention.
Specific embodiment
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 creative efforts, shall fall within the protection scope of the present invention.
Baroceptor requires calibration source that can be accurately measured and is controlled in calibration process, if pressed in calibration process
Power and temperature have larger fluctuation, this will lead to, and calibration result is not ideal enough, and pressure value and the true pressure value for calibrating output are inclined
Difference can be larger, and then influences baroceptor output accuracy.In the related art, air pressure is mainly carried out by manually mode
The calibration of meter, calibration result be not accurate.
For said circumstances, the embodiment of the invention provides a kind of barometer calibration systems.Wherein, it is passed in baroceptor
The voltage signal of head output is felt after correcting by algorithm, can be converted to true pressure value.The effect of barometer calibration system
It is the algorithm parameter for calculating the sensor head, so that voltage value can be converted to true and correct pressure value through algorithm.Calibration is logical
Often to be carried out under constant temperature and pressure environment, and need to carry out the calibration of multiple temperature spots and pressure spot, this require temperature and
Pressure can be measured and control.Referring to Fig. 1, which includes: the internal constant temperature and pressure equipment 2 for being placed with baroceptor 1
And data manipulation equipment 3；Wherein, the inside of constant temperature and pressure equipment 2 is set to preset temperature and preset pressure；Data manipulation is set
Standby 3, for after baroceptor reaches preset condition, obtaining the temperature quantized value and pressure quantization that baroceptor 1 measures
Value, and according to temperature quantized value and pressure quantized value, and calibration algorithm is combined to carry out coefficient calibration, calibration factor is obtained, so that
It obtains baroceptor 1 and calibration output is carried out according to calibration factor.
Wherein it is possible to which first setting constant temperature and pressure equipment 2 arrives defined temperature and pressure, until constant temperature and pressure equipment 2 reaches
After preset condition, data manipulation equipment 3, the temperature quantized value and pressure quantized value of available baroceptor at this time 1, with
Baroceptor 1 is calibrated in the later period.It should be noted that subsequent baroceptor 1 can be according to school after calibration
Quasi- coefficient, the pressure after directly calculating output calibration.
System provided in an embodiment of the present invention, since the calibration of baroceptor 1 can be carried out automatically, thus calibration efficiency
It is higher, and opposite manual calibration precision is higher.In addition, due to obviating multiple mutually synthermal but different pressures during conventional calibration
Power uses the way of same temperature quantized value, and using in multiple mutually synthermal different pressures again independent temperature collection amount
The improvement way of change value leads to calibration result not accurately so as to overcome pressure and temperature larger fluctuation in calibration process
Problem.Finally, solving equation mode using the substitution of improved nonlinear fitting mode come after solving more accurate calibration factor, school
Barebone can GN Normal Alignment so that calibration after barometer can provide higher precision calibration output.
Content based on the above embodiment, as a kind of alternative embodiment, preset condition be baroceptor temperature with
Preset temperature is consistent, and the pressure on 1 surface of baroceptor is consistent with preset pressure.Wherein, the temperature of baroceptor 1 can be with
Refer to the chip interior temperature of baroceptor 1.In conjunction with practical application scene, constant temperature and pressure equipment 2 can be set to regulation
Temperature and pressure under, wait for a period of time, in order to reach the temperature and baroceptor of preset condition and baroceptor 1
The pressure on 1 surface reaches stable.
Content based on the above embodiment, as a kind of alternative embodiment, data manipulation equipment 3 is also used to air pressure transmission
The operating mode of sensor 1 is adjusted to calibration mode.Wherein, calibration mode refers to so that baroceptor enters align mode,
Rather than carry out data acquisition state.
Content based on the above embodiment is configured with register inside baroceptor 1 as a kind of alternative embodiment；
Data manipulation equipment 3 includes: host computer 31 and data acquisition board 32；Host computer 31, for being posted by the configuration of data acquisition board 32
The operating mode of baroceptor 1 is adjusted to calibration mode by the inner parameter of storage.Correspondingly, barometer calibration system
Connection relationship between middle baroceptor 1, constant temperature and pressure equipment 2, host computer 31 and data acquisition board 32 can refer to Fig. 2.
Content based on the above embodiment, as a kind of alternative embodiment, data manipulation equipment 3 include: host computer 31 and
Data acquisition board 32；Data acquisition board 32 is measured for after baroceptor 1 reaches preset condition, obtaining baroceptor 1
Temperature quantized value and pressure quantized value；Host computer 31 is used for according to temperature quantized value and pressure quantized value, and calibration is combined to calculate
Method carries out coefficient calibration, calibration factor is obtained, so that baroceptor 1 carries out calibration output according to calibration factor.
Content based on the above embodiment is configured with register inside baroceptor 1 as a kind of alternative embodiment；
Correspondingly, host computer 31, for calibration factor to be written in register by data acquisition board 32, so that baroceptor 1
Calibration output is carried out according to calibration factor.
System embodiment described above is only schematical, wherein unit can be as illustrated by the separation member
Or may not be and be physically separated, component shown as a unit may or may not be physical unit, i.e.,
It can be located in one place, or may be distributed over multiple network units.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of barometer calibration system characterized by comprising inside be placed with baroceptor constant temperature and pressure equipment and
Data manipulation equipment；Wherein, the inside of the constant temperature and pressure equipment is set to preset temperature and preset pressure；The data behaviour
Control equipment, the temperature quantized value measured for after the baroceptor reaches preset condition, obtaining the baroceptor
And pressure quantized value, and according to the temperature quantized value and the pressure quantized value, and calibration algorithm is combined to carry out coefficient calibration,
Calibration factor is obtained, so that the baroceptor carries out calibration output according to the calibration factor.
2. barometer calibration system according to claim 1, which is characterized in that the preset condition is the air pressure sensing
The temperature of device is consistent with the preset temperature, and the pressure on the baroceptor surface is consistent with the preset pressure.
3. barometer calibration system according to claim 1, which is characterized in that the data manipulation equipment, be also used to by
The operating mode of the baroceptor is adjusted to calibration mode.
4. barometer calibration system according to claim 1, which is characterized in that be configured with and post inside the baroceptor
Storage；The data manipulation equipment includes: host computer and data acquisition board；The host computer, for being matched by data acquisition board
The operating mode of the baroceptor is adjusted to calibration mode by the inner parameter for setting the register.
5. barometer calibration system according to claim 1, which is characterized in that the data manipulation equipment includes: upper
Machine and data acquisition board；The data acquisition board, for obtaining the air pressure after the baroceptor reaches preset condition
The temperature quantized value and pressure quantized value that sensor measures；The host computer, for according to the temperature quantized value and the pressure
Power quantized value, and calibration algorithm is combined to carry out coefficient calibration, calibration factor is obtained, so that the baroceptor is according to
Calibration factor carries out calibration output.
6. barometer calibration system according to claim 5, which is characterized in that be configured with and post inside the baroceptor
Storage；Correspondingly, the host computer, for the calibration factor to be written in the register by the data acquisition board,
So that the baroceptor carries out calibration output according to the calibration factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132433.5A CN109724748A (en) | 2019-02-22 | 2019-02-22 | Barometer calibration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132433.5A CN109724748A (en) | 2019-02-22 | 2019-02-22 | Barometer calibration system |
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| CN109724748A true CN109724748A (en) | 2019-05-07 |
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| CN201910132433.5A Pending CN109724748A (en) | 2019-02-22 | 2019-02-22 | Barometer calibration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473912A (en) * | 2020-04-09 | 2020-07-31 | 海南省气象科学研究所 | Simple, convenient and efficient digital air pressure sensor adjusting method |
| CN117053987A (en) * | 2023-10-13 | 2023-11-14 | 季华实验室 | Vacuum gauge calibration method, test equipment and test system |
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| CN102809463A (en) * | 2011-06-03 | 2012-12-05 | 上海保隆汽车科技股份有限公司 | Method and device for calibrating pressure sensors in batches |
| CN105258846A (en) * | 2015-10-08 | 2016-01-20 | 歌尔声学股份有限公司 | Method and device for calibrating pressure sensor |
| KR20170110472A (en) * | 2016-03-23 | 2017-10-11 | 주식회사 플렉스시스템 | Pressure sensor calibration appratus |
| CN108254125A (en) * | 2018-02-05 | 2018-07-06 | 上海勤上自动化科技有限公司 | The batch Full-automatic temperature compensation system of pressure transmitter |
| CN108709686A (en) * | 2018-07-19 | 2018-10-26 | 北京迈斯康特测控技术有限公司 | The calibration facility and scaling method of pressure sensor |
| CN208091477U (en) * | 2018-04-26 | 2018-11-13 | 河北高达电子科技有限公司 | A kind of Sensor Temperature Compensation calibrating installation |
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2019
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809463A (en) * | 2011-06-03 | 2012-12-05 | 上海保隆汽车科技股份有限公司 | Method and device for calibrating pressure sensors in batches |
| CN105258846A (en) * | 2015-10-08 | 2016-01-20 | 歌尔声学股份有限公司 | Method and device for calibrating pressure sensor |
| KR20170110472A (en) * | 2016-03-23 | 2017-10-11 | 주식회사 플렉스시스템 | Pressure sensor calibration appratus |
| CN108254125A (en) * | 2018-02-05 | 2018-07-06 | 上海勤上自动化科技有限公司 | The batch Full-automatic temperature compensation system of pressure transmitter |
| CN208091477U (en) * | 2018-04-26 | 2018-11-13 | 河北高达电子科技有限公司 | A kind of Sensor Temperature Compensation calibrating installation |
| CN108709686A (en) * | 2018-07-19 | 2018-10-26 | 北京迈斯康特测控技术有限公司 | The calibration facility and scaling method of pressure sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473912A (en) * | 2020-04-09 | 2020-07-31 | 海南省气象科学研究所 | Simple, convenient and efficient digital air pressure sensor adjusting method |
| CN117053987A (en) * | 2023-10-13 | 2023-11-14 | 季华实验室 | Vacuum gauge calibration method, test equipment and test system |
| CN117053987B (en) * | 2023-10-13 | 2024-01-02 | 季华实验室 | Vacuum gauge calibration method, test equipment and test system |
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