CN108984896A - The airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea - Google Patents
The airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea Download PDFInfo
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- CN108984896A CN108984896A CN201810751695.5A CN201810751695A CN108984896A CN 108984896 A CN108984896 A CN 108984896A CN 201810751695 A CN201810751695 A CN 201810751695A CN 108984896 A CN108984896 A CN 108984896A
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- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
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Abstract
The invention discloses a kind of airtight sampler turnover panel sealing valve optimum design methods of complete deep deposit in sea, include the following steps: the structural parameters for 1) determining that turnover panel sealing valve needs optimization design；2) each structural parameters provide multiple and different numerical value, design multiple groups test, and obtain the structural parameters of the turnover panel sealing valve of multiple groups test；3) respectively construction step 2) in multiple groups turnover panel sealing valve structural parameters corresponding to turnover panel sealing valve 3-D geometric model；4) the weight W and maximum stress F performance indicator of each turnover panel sealing valve are calculated；5) regression fit is obtained using the weight W of turnover panel sealing valve and maximum stress F as the regression model of objective function；6) the optimum structure parameter combination of one group of turnover panel sealing valve is calculated；7) turnover panel sealing valve is processed, and the turnover panel sealing valve processed is tested, verifies the correctness of optimum design method.Operation of the present invention is simple, is easily achieved, and while reducing turnover panel sealing valve weight, improves the sealing performance of turnover panel sealing valve.
Description
Technical field
The present invention relates to a kind of design methods of turnover panel sealing valve, are specifically related to a kind of airtight sampling of complete deep deposit in sea
Device turnover panel sealing valve optimum design method.
Background technique
Containing life group, these barophilic microorganisms groups such as a large amount of barophilic microorganisms in the bottom sediment of abyss is
The important channel of human knowledge and research abyss Life Evolution and abyss environmental change.Since these barophilic microorganisms press outside
The variation of power is very sensitive, during acquiring these barophilic microorganisms, to guarantee that barophilic microorganisms vital signs is unaffected,
It must use airtight sampling technique, and important composition structure of the turnover panel sealing valve as the airtight sampler of full sea depth deposit,
The influence designed to the airtight sampler sealing performance of the complete deep deposit in sea is most important.Due to the airtight sampler of the complete deep deposit in sea
Abyss submarine sampling process be by submersible manipulator assist complete, limited in view of manipulator bearing capacity, guarantee take
In the case where the sample constancy of volume, the quality of the airtight sampler of the deep deposit in sea is answered as small as possible entirely, for this reason, it may be necessary to subtract as much as possible
The weight of few turnover panel sealing valve.However, when the deep airtight sampler of deposit in full sea is recycled on water surface scientific investigation ship from abyss seabed
Afterwards, the turnover panel sealing valve of the airtight sampler of the complete deep deposit in sea will bear huge internal pressure, for security needs, at this time again
Maximum stress suffered by turnover panel sealing valve should be reduced as much as possible, and (structural parameters of corresponding turnover panel sealing valve need to increase, turnover panel
Sealing valve will also increase).So as to cause formation conflict problem between the weight and maximum stress of turnover panel sealing valve.For this
One contradictory problems, needing to consider simultaneously turnover panel sealing valve weight and maximum stress in turnover panel sealing valve design process, the two are different
Target.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of easy to operate, turnover panel sealing valve weight can be reduced,
And the airtight sampler turnover panel sealing valve optimization design side of the complete deep deposit in sea of the sealing performance of turnover panel sealing valve is can be improved
Method.
The technical solution adopted by the invention is as follows:
A kind of airtight sampler turnover panel sealing valve optimum design method of complete deep deposit in sea, comprising the following steps:
1) determine that turnover panel sealing valve needs the structural parameters of optimization design；
2) according to the structural parameters of above-mentioned optimization design, each structural parameters provide multiple and different numerical value to represent different examinations
Level is tested, multiple groups is designed using BOX-BEHNKEN test design method and tests, and obtain the turnover panel sealing valve of multiple groups test
Structural parameters；
3) using 3 d modeling software distinguish construction step 2) in multiple groups set turnover panel corresponding to the structure parameter of turnover panel sealing valve
The 3-D geometric model of sealing valve；
4) finite element analysis is carried out to the 3-D geometric model of each turnover panel sealing valve, calculate each turnover panel sealing valve weight W and
Maximum stress F performance indicator；
5) multiple regression fitting is carried out to each experimental factor, obtained using the weight W of turnover panel sealing valve and maximum stress F as target letter
Several regression models；
6) it is calculated by what step 5) obtained by the regression model of objective function of the weight W of turnover panel sealing valve and maximum stress F
Obtain the optimum structure parameter combination of one group of turnover panel sealing valve；
7) the turnover panel sealing valve for processing optimum structure parameter combination, then tests the turnover panel sealing valve processed, is conducive to
The correctness of test result verifying optimum design method.
In the above-mentioned airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea, in step 1), determination is turned over
Plate sealing valve needs the structural parameters of optimization design are as follows: eccentric angle θ, the valve deck upper end diameter D of turnover panel sealing valve1, valve deck mother
Wire length L.
In the above-mentioned airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea, in step 2, Mei Gejie
Structure parameter provides three different numerical value: θ={ 6 °, 8 °, 10 ° }, D1={ 66,68,70 }, L={ 46,48,50 }, utilize BOX-
BEHNKEN test design method designs 17 groups of tests, and obtains 17 groups of design structure parameters.
In the above-mentioned airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea, in step 4), with turnover panel
The weight W of sealing valve is the regression model of objective function are as follows: W=4.48-0.17X1+0.025X2+0.033X3-0.021X1X2-
0.011X1X3+0.018X2X3+0.018X1 2+0.00057X2 2-0.019 X3 2 ；
Using the maximum stress F of turnover panel sealing valve as the regression model of objective function are as follows: F=293.65+10.63X1+2.38X2+
1.29X3-0.53X1X2-0.9X1X3+2.05X2X3-0.35X1 2+0.39X2 2-0.092X3 2；X1、X2、X3Respectively regression model
Middle eccentric angle θ, valve deck upper end diameter D1With the factor of the long L of bus of valve deck, value is as follows:；；。
Compared with prior art, the beneficial effects of the present invention are:
The present invention uses BOX-BEHNKEN experimental design method, refers to BOX-BEHNKEN experimental design testing program and progress
A kind of test design method of interpretation of result；The calculating process of turnover panel sealing valve performance indicator includes turning over to given structural parameters
Plate sealing valve carries out 3 d geometric modeling, carries out grid dividing with ANSYS software, boundary is arranged and calculates turnover panel sealing valve most
Big stress；Operation of the present invention is simple, it is easy to accomplish, while reducing turnover panel sealing valve weight, improve turnover panel sealing valve
Sealing performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the airtight sampler turnover panel sealing valve of the complete deep deposit in sea of the invention.
Fig. 2 is the cross-sectional view of the airtight sampler turnover panel sealing valve of the complete deep deposit in sea of the invention.
Fig. 3 is turnover panel sealing valve weight actual value and predicted value relational graph of the invention.
Fig. 4 is turnover panel sealing valve maximum stress actual value and predicted value relational graph of the invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and embodiments.
As shown in Figure 1, 2, the deep airtight sampler turnover panel sealing valve of deposit in full sea that the present invention is used for includes valve body 6, valve
Lid 4, left spring 8, right spring 8-1, guide collar 5 and dustband 2；Valve deck 4 is mounted on valve body 6 by pin 7, valve deck 4 or so
Spring 8, valve deck 4 and 6 eccentric setting of valve body are installed in both sides, and eccentric angle is θ, pass through sealing ring 3 between valve body 6 and valve deck 4
Sealing.Two guide collars 5 are installed in the 6 bottom end two sides of valve body, are fixed on 6 bottom end of valve body by bolt 1.The guide collar
Dustband 2 is installed in 5 two sides, wipes the deposit for being sticked to lining outer wall off in advance.
The present invention includes the following steps:
1) determine that turnover panel sealing valve needs the structural parameters of optimization design first are as follows: eccentric angle θ、Valve deck upper end diameter D1And valve deck
The long L of bus.
2) each structural parameters provide 3 different numerical value to represent 3 test level, i.e. θ={ 6 °, 8 °, 10 ° }, D1=
{ 66,68,70 }, L={ 46,48,50 }, as shown in the table.And 17 groups of examinations are designed using BOX-BEHNKEN test design method
It tests, obtains 17 groups of design structure parameters.
3) turnover panel corresponding to above-mentioned 17 groups of design structure parameters is constructed respectively using 3 d modeling software Solidworks
The 3-D geometric model of sealing valve is had then to the 3-D geometric model of each group of turnover panel sealing valve with ANSYS software
Finite element analysis calculates the weight W and maximum stress F performance indicator of corresponding turnover panel sealing valve, as shown in the table.
4) multiple regression fitting is carried out to each experimental factor in upper table, obtains the weight W and maximum stress F with turnover panel sealing valve
For the regression model of objective function:
W=4.48-0.17X1+0.025X2+0.033X3-0.021X1X2-0.011X1X3+0.018X2X3+0.018X1 2+
0.00057X2 2-0.019 X3 2 ；
F=293.65+10.63X1+2.38X2+1.29X3-0.53X1X2-0.9X1X3+2.05X2X3-0.35X1 2+0.39X2 2-
0.092X3 2; X1、X2、X3Eccentric angle θ, valve deck upper end diameter D respectively in regression model1With the factor of the long L of bus of valve deck,
Its value is as follows:；；。
It 5) is as shown in Figure 3 and Figure 4 turnover panel sealing valve weight W and maximum stress F actual value and distribution of forecasting value at one
On straight line, which preferably reflects the eccentric angle θ of turnover panel sealing valve weight W and maximum stress F Yu turnover panel sealing valve、Valve deck
Upper end diameter D1, valve deck the long L of bus relationship, resulting regression model can preferably predict turnover panel sealing valve weight and maximum
Stress can use the regression model and determine the optimal eccentric angle θ of turnover panel sealing valve with each Parameter Variation、On valve deck
Hold diameter D1, valve deck the long L of bus.
According to the quadratic polynomial of regression model, when turnover panel sealing valve maximum stress is less than the allowable stress of material, with
Turnover panel sealing valve weight is minimised as optimization aim, with valve body bottom end opening diameter D2For constraint condition, obtained after optimization
The smallest condition of turnover panel sealing valve weight: X1=1, X2=1, X3=-1, at this point, turnover panel sealing valve weight is 4.18kg, maximum stress
For 306.25MPa, it is converted into actual parameter θ=10°、D1=70、L=46。
6) according to the structural parameters after resulting optimization, corresponding turnover panel sealing valve product is produced, and is surveyed by experiment
The variation of turnover panel sealing valve internal stress is tried out, to verify the correctness of optimum design method of the present invention.
Claims (4)
1. a kind of airtight sampler turnover panel sealing valve optimum design method of complete deep deposit in sea, comprising the following steps:
1) determine that turnover panel sealing valve needs the structural parameters of optimization design；
2) according to the structural parameters of above-mentioned optimization design, each structural parameters provide multiple and different numerical value to represent different examinations
Level is tested, multiple groups is designed using BOX-BEHNKEN test design method and tests, and obtain the turnover panel sealing valve of multiple groups test
Structural parameters；
3) using 3 d modeling software distinguish construction step 2) in multiple groups set turnover panel corresponding to the structure parameter of turnover panel sealing valve
The 3-D geometric model of sealing valve；
4) finite element analysis is carried out to the 3-D geometric model of each turnover panel sealing valve, calculate each turnover panel sealing valve weight W and
Maximum stress F performance indicator；
5) multiple regression fitting is carried out to each experimental factor, obtained using the weight W of turnover panel sealing valve and maximum stress F as target letter
Several regression models；
6) it is calculated by what step 5) obtained by the regression model of objective function of the weight W of turnover panel sealing valve and maximum stress F
Obtain the optimum structure parameter combination of one group of turnover panel sealing valve；
7) the turnover panel sealing valve for processing optimum structure parameter combination, then tests the turnover panel sealing valve processed, is conducive to
The correctness of test result verifying optimum design method.
2. the airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea according to claim 1, step 1)
In, determine that turnover panel sealing valve needs the structural parameters of optimization design are as follows: eccentric angle θ, the valve deck upper end diameter D of turnover panel sealing valve1、
The long L of the bus of valve deck.
3. the airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea according to claim 2, step 2
In, each structural parameters provide three different numerical value: θ={ 6 °, 8 °, 10 ° }, D1={ 66,68,70 }, L={ 46,48,50 }, benefit
17 groups of tests are designed with BOX-BEHNKEN test design method, and obtain 17 groups of design structure parameters.
4. the airtight sampler turnover panel sealing valve optimum design method of the complete deep deposit in sea according to claim 3, step 4)
In, using the weight W of turnover panel sealing valve as the regression model of objective function are as follows: W=4.48-0.17X1+0.025X2+0.033X3-
0.021X1X2-0.011X1X3+0.018X2X3+0.018X1 2+0.00057X2 2-0.019 X3 2 ；
Using the maximum stress F of turnover panel sealing valve as the regression model of objective function are as follows: F=293.65+10.63X1+2.38X2+
1.29X3-0.53X1X2-0.9X1X3+2.05X2X3-0.35X1 2+0.39X2 2-0.092X3 2； X1、X2、X3Respectively regression model
Middle eccentric angle θ, valve deck upper end diameter D1With the factor of the long L of bus of valve deck, value is as follows:；；。
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Cited By (4)
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| CN109556904A (en) * | 2019-01-04 | 2019-04-02 | 湖南科技大学 | A kind of deep airtight sampler sampling test platform in full sea |
| CN110232247A (en) * | 2019-06-14 | 2019-09-13 | 哈工大机器人（合肥）国际创新研究院 | A kind of optimum design method of the valve sealing ring based on finite element analysis |
| CN112749449A (en) * | 2019-10-31 | 2021-05-04 | 中核苏阀科技实业股份有限公司 | Implementation method of pressure self-tightening sealing structure |
| CN114459750A (en) * | 2022-02-15 | 2022-05-10 | 北京微焓科技有限公司 | Testing method and Tesla valve |
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| CN114459750A (en) * | 2022-02-15 | 2022-05-10 | 北京微焓科技有限公司 | Testing method and Tesla valve |
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| CN108984896B (en) | 2023-07-18 |
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