CN104408296B - Crystal oscillator module regulating allocation device and crystal oscillator module environmental suitability adjusting method - Google Patents
Crystal oscillator module regulating allocation device and crystal oscillator module environmental suitability adjusting method Download PDFInfo
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- CN104408296B CN104408296B CN201410642892.5A CN201410642892A CN104408296B CN 104408296 B CN104408296 B CN 104408296B CN 201410642892 A CN201410642892 A CN 201410642892A CN 104408296 B CN104408296 B CN 104408296B
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Abstract
The invention provides a kind of crystal oscillator module regulating allocation device and crystal oscillator module environmental suitability adjusting method.The present invention is excavated by crystal oscillator vibrating data collection and mechanism from the inherent mechanism of crystal oscillator performance, solves crystal oscillator vibration mechanism and the mapping function of regulation parameter；And crystal oscillator module environmental suitability adjusting means is adjusted, improve crystal oscillator module vibration condition environmental suitability.
Description
Technical field
The invention belongs to electronic technology field, more particularly to a kind of crystal oscillator module regulating allocation device and crystal oscillator module environment
Adaptability adjusting method.
Background technology
With flourishing for the army and the people's avionic device, the electronic equipment that various high-speed aircrafts are used for is in vibration
Stability in environment proposes increasingly harsh requirement, and this relevant design to crystal oscillator noise reduction proposes unprecedented choose
War.Acceleration sensitivity, the crystal oscillator of the phase noise of crystal oscillator under vibration simultaneously by crystal in itself
Centre frequency, the influence of the frequency and intensity of vibration environment.Crystal oscillator is with the change of the vibration environment residing for frequency source system
The crystal oscillator module shelf in practical engineering application are directly resulted in be difficult to.Therefore, research crystal oscillator environmental suitability can configure
Technology, has become an active demand in aviation electronics equipment industry.
In harsh vibration environment, the method for reduction crystal oscillator module phase noise main at present has sheet rubber vibration damping, steel
The design concept of customization is still taken to carry out vibration damping to corresponding crystal oscillator module in cord vibration damping and active damping etc., industry
Design.In fact, because the inconsistency of crystal oscillator processing technology quality exists all the time, same model, different batches crystal oscillator all
Larger environmental suitability difference is there is, this has directly influenced the validity of crystal oscillator module noise-reducing design, actual work
Journey is put into practice it has been proved that raisings vibration isolation rate simply can not meet system harshness steady to frequency source signal, accurate, pure wants
Ask, current corresponding processing method has certain limitation.On the other hand, traditional crystal oscillator module Vibration Absorption Designing typically departs from
The research of crystal oscillator inherent mechanism, does not go out to send progress environmental suitability with installing from environment to the inherent mechanism of crystal oscillator performance
Meter.In summary, current crystal oscillator module vibration condition environmental suitability can not meet aviation electronics and equip complicated and changeable make
With environment, the job requirement of current crystal oscillator increasingly harshness is insufficient for.
The content of the invention
To solve the above problems, the present invention proposes a kind of crystal oscillator module regulating allocation device and crystal oscillator module environment is adapted to
Property adjusting method.
The crystal oscillator module regulating allocation device, including base cylindrical cavity, orientation adjustment seat, pitching adjust seat, for fixing
The pcb board of crystal oscillator；Wherein, base cylindrical cavity is open-topped circular cavity；Orientation adjustment seat is located in base cylindrical cavity, is provided with
Open-topped rectangular cavities, and can be rotated in base cylindrical cavity centered on base cylindrical cavity central shaft, the base cylindrical cavity
Side wall is provided with some threaded mounting holes, and screw can fix orientation adjustment seat at a certain angle through threaded mounting hole；
The pitching adjustment seat is rectangular box, and in orientation adjustment seat, lower end opposite sides sets downward circular arc
Shape is raised, and circular arc is provided with multiple holes, if orientation adjustment seat side wall sets dry hole, screw can be adjusted through orientation
The hole of bed rearrangement side wall and pitching adjustment seat lower end causes pitching to adjust seat and be fixed at a certain angle in orientation adjustment seat；
The pcb board is placed on pitching adjustment seat.
Further, in addition to cover plate, the cover plate covers base cylindrical cavity.
Further, orientation adjustment seat opposite sides sets circular arc protrusion, and the radian of the circular arc protrusion
It is coincide with the radian of base cylindrical cavity side wall.
Further, it is adjustable in the range of orientation angles ± 180 ° of orientation adjustment seat.
Further, pitching adjustment seat is adjustable in the range of luffing angle ± 30 °.
A kind of crystal oscillator module environment fitness collocation method using above-mentioned crystal oscillator module regulating allocation device, comprising under
Row step：
The first step：Test crystal oscillator module to be tested it is static and it is multigroup vibration working condition phase noise；
Second step：Vibration environment input condition is set, mechanism is set up and deduces database, pass through the shadow based on response surface model
Mechanism database is rung, data mining is carried out；
3rd step：With reference to data mining results, the linear or non-linear relation that crystal oscillator vibrates working mechanism is provided；
4th step：Crystal oscillator module to be tested is encased in environmental suitability adjusting means；
5th step：Input crystal oscillator module adjusting means customized parameter matrix；
6th step：Set up to improve solution after Mathematical Planning of the electrical property as target, linearization process, obtaining can be straight
Connect the configuration parameter of guiding device adjustment；
7th step：Adjusting parameter is calculated according to obtained mapping function, crystal oscillator module environment fitness and regulation is reached
Purpose.
Further, in second step, the vibration environment input condition refers to vibration level and vibration frequency.
Further, in the 5th step, the customized parameter matrix is adjusted angle of pitch regulation parameter and the side of seat by pitching
The azimuth adjustment parameter composition of position adjustment seat.
Further, in the 6th step, solved after linearization process by SLP.
Beneficial effects of the present invention are：
The present invention devises a set of crystal oscillator module environment fitness configuration system using methods such as data mining, mathematical programming approaches
System, and devise adjusting means to realize that fitness is configured.It can solve crystal oscillator vibration environment fitness and vibration mechanism
Mapping function, compared to the passive vibration and noise reducing system of other crystal oscillators vibration environment master.Advantage of the invention is that following side
Face：
1. penalty situation of the crystal oscillator under different vibration environments is described using environment fitness；
, can be according to according to the mathematical relationship 2. by the SLP vibration input conditions solved and the mathematical relationship of regulated quantity
Optimum apjustment scheme in adjustable extent is selected according to different vibration environments；
3. being managed for technology modules shelfization, traditional design side is higher than using the crystal oscillator module reliability of this method
Case.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of crystal oscillator module environmental suitability adjusting means of the present invention.
Fig. 2 is the schematic diagram that orientation adjustment seat is located in base cylindrical cavity.
Fig. 3 is the schematic diagram that pitching adjusts seat.
Fig. 4 is that pitching adjusts the schematic diagram that seat is installed in orientation adjustment seat.
Fig. 5 is the flow chart of crystal oscillator module environmental suitability adjusting method of the present invention.
In figure：1. cover plate；2. crystal oscillator；3. pitching adjusts seat；4. orientation adjustment seat；5. base cylindrical cavity.
Embodiment
The present invention design concept be：From the inherent mechanism of crystal oscillator performance, pass through crystal oscillator vibrating data collection and machine
Reason is excavated, and solves crystal oscillator vibration mechanism and the mapping function of regulation parameter；And to crystal oscillator module environmental suitability adjusting means
It is adjusted, improves crystal oscillator module vibration condition environmental suitability.
Before the method for the invention is introduced, crystal oscillator module environmental suitability adjusting means is described in detail.
It is the surface structure explosive view of the device as shown in Figure 1.The device includes base cylindrical cavity 5, orientation adjustment seat 4, bowed
Face upward adjustment seat 3, the pcb board for fixing crystal oscillator 2（Pcb board not shown in figure）, cover plate 1.
Wherein, base cylindrical cavity 5 is maximum, is open-topped circular cavity.Cavity upper end is provided with some spiral shells along round edge
Nail, the screw hole is used for securing cover plate 1.
As shown in Fig. 2 orientation adjustment seat 4 is located in base cylindrical cavity 5, it is rectangular cavities, rectangular cavities periphery diagonal line length
Interior diameter length of the degree equal to base cylindrical cavity 5 so that it can be turned in base cylindrical cavity 5 centered on the circle core shaft of base cylindrical cavity 5
It is dynamic.It is adjustable in the range of orientation angles ± 180 °.
It is preferred that, in order that orientation adjustment seat 4 rotates more smooth, the relative both sides of orientation adjustment seat 4 set arc-shaped
Protrusion, the radian of the arc-shaped protrusion and the side wall of base cylindrical cavity 5 coincide.Further, its arc side slightly extends to adjacent two
Right-angle side two ends form round-corner transition, so as to rotate more flexible.The present invention realizes adjustable in the range of orientation angles ± 180 °.
The side wall of base cylindrical cavity 5, which is set, some threaded mounting holes, and according to the acceleration sensitive degree of crystal oscillator 2, screw is worn
Cross some threaded mounting hole constant bearing adjustment seats 4 therein.
The schematic diagram that pitching adjusts seat 3 is illustrated in figure 3, the pitching adjustment seat 3 is located in orientation adjustment seat 4, in being
Empty rectangular box, lower end opposite sides sets downward arc-shaped convex, and arc-shaped edges are provided with multiple holes, is referred to as interior
Hole.It is illustrated in figure 4 the schematic diagram that pitching adjustment seat 3 is installed in orientation adjustment seat 4, it is seen then that the orientation adjustment seat 4 is not set
Put two side wall providing holes of arc-shaped protrusion, referred to as exit orifice.In use, screw can make to bow through exit orifice, some endoporus
Adjustment seat 3 is faced upward to be fixed at a certain angle in orientation adjustment seat 4.The present invention realizes adjustable in the range of pitching ± 30 °.
The pcb board of crystal oscillator 2 that is fixed with is placed on pitching adjustment seat 3；Crystal oscillator 2 inserts pcb board by contact pin, afterwards
Weld together.
The cover plate 1 is circle, and round edge is provided with some screw holes, and screw passes through the screw hole of the round edge of cover plate 1, bottom
Both are fixed together by the screw hole of seat cylindrical cavity 5 upper end.
The application method of the device is：
The orientation angles and luffing angle of the needs of crystal oscillator 2 are previously obtained, by orientation adjustment seat 4 in base cylindrical cavity 5
The regulation in the range of progress azimuth ± 180 ° is rotated, adjust seat 3 by pitching is bowed in the fixed position of orientation adjustment seat 4
Face upward the regulation in the range of ± 30 °.Regulation finishes bonnet upper cover plate 1.
Below to being configured using the environment fitness for vibrating working mechanism based on crystal oscillator of crystal oscillator module regulating allocation device
Method is illustrated.
Specific steps are as shown in Figure 5：
The first step：Test crystal oscillator module it is static and it is multigroup vibration working condition phase noise.
Second step：Setting vibration working environment input condition, sets up mechanism and deduces database, by based on response surface model
Influencing Mechanism database, carry out data mining.
Vibration environment input condition refers to vibration level G, vibration frequency f.Mechanism deduction database is set up to refer to by secondary many
The response surface model of the crystal oscillator vibration effect parameter of item formula construction, model mathematic(al) representation sets up a series of polynomial fittings.Lift
Example explanation, such as
Pass through selection、、、Whether is parameters in series zero setting, to switch fitting formula.For example, if fitting
Function is, obtain next class frequency drift value when, response surface model beIt is enterprising
Row is deduced, and deduction result is；When obtaining next class frequency drift value again, response surface model beUpper to be deduced, deduction result is.With
This analogizes, and when obtaining last class frequency drift value, deduction result is
.Vice versa, it is possible to which deduction result also may directly be for certain type of crystal oscillator, generally
For, response surface model is the function below x cubic term.Amendment will all obtain a fitting function every time。
3rd step：With reference to data mining results, the linearly or nonlinearly relation that crystal oscillator vibrates working mechanism is provided：。
4th step：Crystal oscillator module to be tested is encased in environmental suitability adjusting means.
5th step：Fitted according to the specifically related to scheme input crystal oscillator module environment of environmental suitability adjusting means in previous step
Answering property adjusting means customized parameter matrix.
Customized parameter matrix refers to,For angle of pitch regulation parameter,It is one to be for azimuth adjustment parameter
Row centrifugal pump.
6th step：The directly utilization SLP after improving Mathematical Planning of the electrical property as target, linearization process is set up to ask
Solution, obtain can directly guiding device adjust configuration parameter；
After vibration mechanism is obtained, you can obtain multiple vibration sensing type direction vectors, by setting up Optimized model：
Find：、
Min：
s.t：
Solved by SLP, angle of pitch regulation parameter can be obtainedAnd azimuth adjustment parameter。
7th step：Adjusting parameter is calculated according to obtained mapping function, crystal oscillator module environment fitness and regulation is reached
Purpose.
The mapping function is angle of pitch regulation parameter, azimuth adjustment parameterWith the function of electric property.
Beneficial effects of the present invention are：
The present invention devises a set of crystal oscillator module environment fitness configuration system using methods such as data mining, mathematical programming approaches
System, and devise adjusting means to realize that fitness is configured.It can solve crystal oscillator vibration environment fitness and vibration mechanism
Mapping function, compared to the passive vibration and noise reducing system of other crystal oscillators vibration environment master, advantage of the invention is that following side
Face：
1. penalty situation of the crystal oscillator under different vibration environments is described using environment fitness；
, can be according to according to the mathematical relationship 2. by the SLP vibration input conditions solved and the mathematical relationship of regulated quantity
Optimum apjustment scheme in adjustable extent is selected according to different vibration environments；
3. being managed for technology modules shelfization, traditional design side is higher than using the crystal oscillator module reliability of this method
Case.
Claims (8)
1. a kind of crystal oscillator module regulating allocation device, it is characterised in that including base cylindrical cavity, orientation adjustment seat, pitching adjustment seat,
Pcb board for fixing crystal oscillator；
Wherein, base cylindrical cavity is open-topped circular cavity；Orientation adjustment seat is located in base cylindrical cavity, is provided with open top
Rectangular cavities, and can be rotated in base cylindrical cavity centered on base cylindrical cavity central shaft, the base cylindrical cavity side wall is set
There are some threaded mounting holes, screw can fix orientation adjustment seat at a certain angle through threaded mounting hole；
The pitching adjustment seat is rectangular box, and in orientation adjustment seat, lower end opposite sides sets downward circular arc convex
Rise, and circular arc is provided with multiple holes, if orientation adjustment seat side wall sets dry hole, screw can be through orientation adjustment seat
The hole of side wall and pitching adjustment seat lower end causes pitching to adjust seat and be fixed at a certain angle in orientation adjustment seat；
The pcb board is placed on pitching adjustment seat；
Orientation adjustment seat opposite sides sets circular arc protrusion, and the radian and base cylindrical cavity side wall of the circular arc protrusion
Radian coincide.
2. crystal oscillator module regulating allocation device as claimed in claim 1, it is characterised in that also including cover plate, the cover plate lid
Firmly base cylindrical cavity.
3. crystal oscillator module regulating allocation device as claimed in claim 1 or 2, it is characterised in that the azimuth of orientation adjustment seat
It is adjustable in the range of ± 180 ° of degree.
4. crystal oscillator module regulating allocation device as claimed in claim 1 or 2, it is characterised in that pitching adjusts seat in the angle of pitch
It is adjustable in the range of ± 30 ° of degree.
5. one kind utilizes the crystal oscillator module environment fitness of the crystal oscillator module regulating allocation device described in any one of claim 1 ~ 4
Collocation method, it is characterised in that comprise the steps of：
The first step：Test crystal oscillator module to be tested it is static and it is multigroup vibration working condition phase noise；
Second step：Vibration environment input condition is set, mechanism is set up and deduces database, pass through the influence machine based on response surface model
Database is managed, data mining is carried out；
3rd step：With reference to data mining results, the linear or non-linear relation that crystal oscillator vibrates working mechanism is provided；
4th step：Crystal oscillator module to be tested is encased in environmental suitability adjusting means；
5th step：Input crystal oscillator module adjusting means customized parameter matrix；
6th step：Set up to improve solution after Mathematical Planning of the electrical property as target, linearization process, obtain directly referring to
Lead the configuration parameter of device adjustment；
7th step：Adjusting parameter is calculated according to obtained mapping function, the purpose of crystal oscillator module environment fitness and regulation is reached.
6. crystal oscillator module environment fitness collocation method as claimed in claim 5, it is characterised in that described in second step
Vibration environment input condition refers to vibration level and vibration frequency.
7. crystal oscillator module environment fitness collocation method as claimed in claim 5, it is characterised in that in the 5th step, it is described can
Regulation parameter matrix adjusts the angle of pitch regulation parameter of seat by pitching and the azimuth adjustment parameter of orientation adjustment seat is constituted.
8. crystal oscillator module environment fitness collocation method as claimed in claim 5, it is characterised in that in the 6th step, linearisation
Solved after processing by SLP.
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| CN108957288B (en) * | 2018-06-11 | 2023-10-13 | 南京尤尼泰信息科技有限公司 | Test substrate suitable for multiple specification crystal oscillator |
| CN113740702B (en) * | 2021-07-22 | 2023-04-28 | 中国电子科技集团公司第二十九研究所 | Printed board vibration test device |
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| CN102035466A (en) * | 2010-12-22 | 2011-04-27 | 广东大普通信技术有限公司 | Oven controlled crystal oscillator with temperature stability enhancement |
| CN102284858A (en) * | 2011-06-21 | 2011-12-21 | 中国兵器工业第二0六研究所 | Method for quickly adjusting orthogonal analog disc surface of radar to make orthogonal analog disc surface vertical to pitch axis |
| CN102435623A (en) * | 2011-09-19 | 2012-05-02 | 中国原子能科学研究院 | Neutron diffraction residual stress measuring device and method |
| CN202275092U (en) * | 2011-09-21 | 2012-06-13 | 复旦大学 | Aligning device |
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