CN106443064B - Low temperature acceleration analysis and calibration method - Google Patents
Low temperature acceleration analysis and calibration method Download PDFInfo
- Publication number
- CN106443064B CN106443064B CN201611063573.4A CN201611063573A CN106443064B CN 106443064 B CN106443064 B CN 106443064B CN 201611063573 A CN201611063573 A CN 201611063573A CN 106443064 B CN106443064 B CN 106443064B
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- acceleration
- low temperature
- monitoring point
- test
- glue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/003—Kinematic accelerometers, i.e. measuring acceleration in relation to an external reference frame, e.g. Ferratis accelerometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention provides a kind of low temperature acceleration analysis and calibration methods, step includes: the sensor bonding method according to needed for test requirements document determines monitoring location and analyzes different monitoring points position, monitoring point is pasted respectively using glue and glue, and carry out test of knowing the real situation, correction factor is determined by the ratio of root-mean-square value before and after each monitoring point.Simulation low temperature environment simultaneously monitors each acceleration monitoring point temperature using platinum resistance, by controlled temperature and the acceleration transducer sensitivity table of comparisons after each measuring point temperature is stablized, corrects acceleration transducer sensitivity.Finally carry out formal test and in being modified after the test using obtained correction factor to each monitoring point, obtains true each monitoring point acceleration value.Ensure that the acceleration monitoring point value under ultra-low temperature surroundings is accurately effective with calibration method by the above low temperature acceleration analysis, at the same ensure that test during sensor be not susceptible to fall off.
Description
Technical field
The present invention relates to vibration test fields, specifically, applied to the vibration test that product is carried out at low ambient temperatures, especially
It is related to such test of measurement and calibration method when carrying out to(for) each spot speed measuring point.
Background technique
Carrier rocket boosting module pressurizing transmission system is in the vibration of high internal pressure, ultralow temperature and big magnitude in use
Rotating ring border, thus each transportation system need to carry out high internal pressure, ultralow temperature and big magnitude vibration examination after could formally come into operation.
During test, it is monitoring product with the presence or absence of undertesting or overtesting scene, is provided in each key point of product
Monitoring point is used to monitor the acceleration value of key point, whether meets actual needs with this interpretation test.
Unresolved the deficiencies in the prior art make to supervise the invention is intended to design a kind of low temperature acceleration analysis and calibration method
The data of measuring point are authentic and valid.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of low temperature acceleration analysis and calibration method,
Ensure that the acceleration monitoring point value under ultra-low temperature surroundings is accurately effective, at the same ensure that test during sensor be not easy
It falls off.
In order to realize above-mentioned technical proposal, the present invention provides a kind of low temperature acceleration analysis and calibration methods, including such as
Lower step:
Step S1: the sensor according to needed for test requirements document determines monitoring location and analyzes different monitoring points position is pasted
Mode；
Step S2:, make the monitoring point that fastens with glue, and under normal temperature environment, uses certain formal vibration test condition
It is motivated by test requirements document, obtains each monitoring point acceleration value；
Step S3: carry out test again by the test method in step S2 using glue, obtain another group of acceleration value；
Step S4: analysis two groups of data of comparison determine correction factor (no by the ratio of root-mean-square value before and after each monitoring point
Same position, correction factor are different)；
Step S5: carry out low temperature environment and simulate and monitor each acceleration monitoring point temperature using platinum resistance, in each measuring point temperature
Degree passes through controlled temperature and the acceleration transducer sensitivity table of comparisons after stablizing, and corrects acceleration transducer sensitivity；
Step S6: carry out formal test and in after the test using the correction factor in step 4 to the progress of each monitoring point
Amendment obtains true each monitoring point acceleration value.
Preferably, select can under -200 ° of low temperature environments normal use acceleration transducer；
Preferably, acceleration transducer and product are subjected to gluing using epoxy resin block；
Preferably, the interface of epoxy resin block and product, which should ensure that, to fit closely；
Preferably, after using DW-3 glue gluing, glue is carried out to joint face using CC-33A glue；
Preferably, acceleration transducer is fixed again with product using low temperature glue band.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, using present invention can ensure that the acceleration monitoring point value under ultra-low temperature surroundings is accurately effective；
2, it using present invention can ensure that each monitoring point firm pasting is reliable under the big magnitude vibration environment of ultralow temperature, is not easy
It is fallen off during test.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is low temperature acceleration analysis provided by the invention and calibration method operating process schematic diagram；
Fig. 2 is low temperature acceleration analysis provided by the invention and calibration method sensor bonding method and platinum resistor temperature measuring position
Set schematic diagram.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
The purpose of the invention is to provide a kind of low temperature acceleration analysis and calibration method, it to be used for ultralow temperature, big magnitude
Vibration test needs true data of monitoring point authentic and valid, and each measuring point is not easy to fall off in test.
The low temperature acceleration analysis provided according to the present invention and calibration method, include the following steps:
Step S1: the sensor according to needed for test requirements document determines monitoring location and analyzes different monitoring points position is pasted
Mode；
Step S2:, monitoring point is pasted using 502 glue, and under normal temperature environment, use 1/8th (numerical value is not unique)
Formal vibration test condition it is motivated by test requirements document, obtain each monitoring point acceleration value；
Step S3: carry out test again by the test method in step S2 using DW-3 glue, obtain another group of acceleration value；
Step S4: analysis two groups of data of comparison determine correction factor (no by the ratio of root-mean-square value before and after each monitoring point
Same position, correction factor are different)；
Step S5: carry out low temperature environment and simulate and monitor each acceleration monitoring point temperature using platinum resistance, in each measuring point temperature
Degree passes through controlled temperature and the acceleration transducer sensitivity table of comparisons after stablizing, and corrects acceleration transducer sensitivity；
Step S6: carry out formal test and in after the test using the correction factor in step 4 to the progress of each monitoring point
Amendment obtains true each monitoring point acceleration value.
Preferably, the selection of acceleration transducer and method of attaching points for attention are as follows in formal test:
Item A1: select can under -200 ° of low temperature environments normal use acceleration transducer；
Item A2: acceleration transducer and product are subjected to gluing using epoxy resin block；
Item A3: the interface of epoxy resin block and product, which should ensure that, to be fitted closely；
Item A4: using after DW-3 glue gluing, glue is carried out to joint face using CC-33A glue；
Item A5: acceleration transducer is fixed again with product using low temperature glue band.
Claims (8)
1. a kind of low temperature acceleration analysis and calibration method, which comprises the steps of:
Step S1: determining monitoring location according to test requirements document, and acceleration transducer needed for analyzing different monitoring points position
Bonding method；
Step S2: monitoring point is pasted using 502 glue, and under normal temperature environment, is pressed using certain formal vibration test condition
Test requirements document motivates it, obtains each monitoring point acceleration value；
Step S3: carry out test again by the test method in step S2 using DW-3 glue, obtain another group of acceleration value；
Step S4: analysis two groups of data of comparison determine correction factor by the ratio of root-mean-square value before and after each monitoring point；
Step S5: carry out low temperature environment and simulate and monitor each monitoring point temperature using platinum resistance, after each monitoring point temperature is stablized
By controlled temperature and the acceleration transducer sensitivity table of comparisons, acceleration transducer sensitivity is corrected；
Step S6: carry out formal test and in repairing after the test using the correction factor in step S 4 to each monitoring point
Just, true each monitoring point acceleration value is obtained.
2. low temperature acceleration analysis according to claim 1 and calibration method, which is characterized in that glue in the step S2
Using 502 glue.
3. low temperature acceleration analysis according to claim 1 and calibration method, which is characterized in that used in the step S2
Eighth formal vibration test condition motivates it by test requirements document, obtains each monitoring point acceleration value.
4. low temperature acceleration analysis according to claim 2 and calibration method, which is characterized in that glue is adopted in the step S3
With DW-3 glue.
5. low temperature acceleration analysis according to claim 4 and calibration method, which is characterized in that use DW-3 glue gluing knot
Shu Hou carries out glue to joint face using CC-33A glue.
6. low temperature acceleration analysis according to claim 1 and calibration method, which is characterized in that used in the step S1
Can under -200 ° of low temperature environments normal use acceleration transducer.
7. low temperature acceleration analysis according to claim 1 and calibration method, which is characterized in that sensed in the step S1
Device bonding method includes: that acceleration transducer and product are carried out gluing using epoxy resin block.
8. low temperature acceleration analysis according to claim 7 and calibration method, which is characterized in that the epoxy resin block with
The interface of product, which should ensure that, to be fitted closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063573.4A CN106443064B (en) | 2016-11-28 | 2016-11-28 | Low temperature acceleration analysis and calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063573.4A CN106443064B (en) | 2016-11-28 | 2016-11-28 | Low temperature acceleration analysis and calibration method |
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| Publication Number | Publication Date |
|---|---|
| CN106443064A CN106443064A (en) | 2017-02-22 |
| CN106443064B true CN106443064B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611063573.4A Active CN106443064B (en) | 2016-11-28 | 2016-11-28 | Low temperature acceleration analysis and calibration method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915588A (en) * | 2010-07-14 | 2010-12-15 | 北京航空航天大学 | Method for compensating temperature error of inertial device |
| CN104502632A (en) * | 2014-11-28 | 2015-04-08 | 郑州合智汇金电子科技有限公司 | Temperature compensation method for quartz acceleration sensor |
| CN104597288A (en) * | 2013-10-30 | 2015-05-06 | 北京强度环境研究所 | Calibration device for high-temperature acceleration senor |
| CN104819713A (en) * | 2015-05-12 | 2015-08-05 | 无锡慧联信息科技有限公司 | Temperature compensation method of fiber optic gyroscope inclinometer |
| JP2016153138A (en) * | 2015-02-17 | 2016-08-25 | Ｊｆｅスチール株式会社 | Vibration abnormality detection method and device for cold rolling or temper rolling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5342474B2 (en) * | 2010-02-25 | 2013-11-13 | 日本航空電子工業株式会社 | precision equipment |
-
2016
- 2016-11-28 CN CN201611063573.4A patent/CN106443064B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915588A (en) * | 2010-07-14 | 2010-12-15 | 北京航空航天大学 | Method for compensating temperature error of inertial device |
| CN104597288A (en) * | 2013-10-30 | 2015-05-06 | 北京强度环境研究所 | Calibration device for high-temperature acceleration senor |
| CN104502632A (en) * | 2014-11-28 | 2015-04-08 | 郑州合智汇金电子科技有限公司 | Temperature compensation method for quartz acceleration sensor |
| JP2016153138A (en) * | 2015-02-17 | 2016-08-25 | Ｊｆｅスチール株式会社 | Vibration abnormality detection method and device for cold rolling or temper rolling |
| CN104819713A (en) * | 2015-05-12 | 2015-08-05 | 无锡慧联信息科技有限公司 | Temperature compensation method of fiber optic gyroscope inclinometer |
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| Publication number | Publication date |
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| CN106443064A (en) | 2017-02-22 |
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