CN112332796B - Vibration damper of airborne crystal oscillator - Google Patents
Vibration damper of airborne crystal oscillator Download PDFInfo
- Publication number
- CN112332796B CN112332796B CN202011262073.XA CN202011262073A CN112332796B CN 112332796 B CN112332796 B CN 112332796B CN 202011262073 A CN202011262073 A CN 202011262073A CN 112332796 B CN112332796 B CN 112332796B
- Authority
- CN
- China
- Prior art keywords
- vibration
- crystal oscillator
- connecting parts
- sub
- vibration damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 230000009467 reduction Effects 0.000 claims abstract description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- 238000013016 damping Methods 0.000 claims description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 230000002238 attenuated effect Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/09—Elastic or damping supports
Abstract
The invention discloses a vibration damper of an onboard crystal oscillator, which comprises a vibration damper and an installation seat, wherein: the vibration reduction rack is provided with a crystal oscillator mounting part, the vibration reduction rack is connected with the mounting seat through a plurality of groups of steel cables, copper pipes are crimped on the steel cables, and the vibration reduction rack and the mounting seat are respectively connected through the copper pipes. When external vibration acts on the mounting seat, the vibration is transmitted to the vibration reduction frame after passing through a plurality of groups of steel ropes of a space three-dimensional structure, and the airborne crystal oscillator is rigidly mounted on the vibration reduction frame. The external strong vibration is transmitted to the crystal oscillator after being transmitted and attenuated by the vibration damper, the energy transmitted to the crystal oscillator is attenuated to different degrees along with the change of the excitation frequency, the phase noise of the crystal oscillator is improved, and the vibration resistance of the crystal oscillator under the condition of strong vibration is realized. The invention has the advantages of low frequency, high vibration isolation efficiency, small amplification factor, wide temperature range, light weight and the like, can be used for quickly mounting various specifications and models of onboard crystal oscillators, and has low cost of the whole device and simple and convenient use and maintenance.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a vibration damper of an airborne crystal oscillator.
Background
Crystal oscillator is an important component of radar, communication and other system equipment, and can realize excellent performance indexes under static state, but the performance indexes are rapidly deteriorated under vibration conditions, in particular to phase noise indexes. The good mechanical environment adaptability is an important technical index of the crystal oscillator, the vibration resistance of the crystal oscillator directly influences the comprehensive performance of the system, and the vibration reduction measure of the crystal oscillator is an effective way for improving the vibration resistance of the crystal oscillator.
Because the crystal oscillator device is small in size and light in weight, the damping of the traditional airborne crystal oscillator is realized by sticking a damping rubber pad outside or installing a rubber damper, so that the natural frequency of a lower device is realized. The vibration damping mode has a simple structure and a certain vibration damping effect, but the vibration damping performance fluctuates greatly along with the temperature change due to the narrower temperature range of rubber, and the adhesive mounting has the falling risk and low reliability; the natural frequency of the vibration damping structure provided with the rubber vibration damper is difficult to be low, the natural frequency is generally about 200Hz, and the low-frequency vibration resistance of the crystal oscillator is reduced.
Therefore, how to avoid the influence of temperature on the vibration damping performance, reduce the natural frequency of the vibration damping device, reduce the vibration transmission rate, and improve the vibration resistance of the crystal oscillator becomes a problem which needs to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention solves the problems that: the vibration reduction performance is prevented from being influenced by temperature, the natural frequency of the vibration reduction device is reduced, the vibration transmission rate is reduced, and the vibration resistance of the crystal oscillator is improved.
In order to solve the problems, the technical scheme disclosed by the invention is as follows:
the utility model provides a vibration damper of machine carries crystal oscillator, includes shock absorber and mount pad, wherein: the vibration reduction rack is provided with a crystal oscillator mounting part, the vibration reduction rack is connected with the mounting seat through a plurality of groups of steel cables, copper pipes are crimped on the steel cables, and the vibration reduction rack and the mounting seat are respectively connected through the copper pipes.
Preferably, the mounting seat is of an annular structure, and the vibration reduction frame is positioned at a hollow area of the annular structure.
Preferably, when the crystal oscillator is mounted on the vibration reduction frame, the geometric centers of the crystal oscillator, the vibration reduction frame and the mounting seat are coaxial, the plurality of groups of steel ropes are arranged in a circular array mode by taking the central shaft as an axis, and the central shaft is a connecting line of the geometric centers of the crystal oscillator, the vibration reduction frame and the mounting seat.
Preferably, each set of wires comprises two wires.
Preferably, the vibration reduction frame is provided with a plurality of groups of first connecting parts, the mounting seat is provided with a plurality of groups of second connecting parts, and each group of steel ropes, the first connecting parts and the second connecting parts are in one-to-one correspondence; each group of first connecting parts comprises a first middle sub-connecting part and two first terminal connecting parts, the first middle sub-connecting parts in each group of first connecting parts are arranged in a circular array by taking a central shaft as an axis, and the two first terminal connecting parts in each group of first connecting parts are symmetrical relative to the connecting line of the first middle sub-connecting parts and the central shaft; each group of second connecting parts comprises a second intermediate sub-connecting part and two second end sub-connecting parts, the second intermediate sub-connecting parts in each group of second connecting parts are arranged in a circular array by taking a central shaft as an axis, and the two second end sub-connecting parts in each group of second connecting parts are symmetrical relative to the connecting line of the second intermediate sub-connecting parts and the central shaft; in each group of steel cables, the middle part of one steel cable is connected to the first middle sub-connecting part of the corresponding first connecting part through a copper pipe, the two ends of the one steel cable are connected to the two second end sub-connecting parts of the corresponding second connecting part through copper pipes, the middle part of the other steel cable is connected to the second middle sub-connecting part of the corresponding second connecting part through copper pipes, and the two ends of the other steel cable are connected to the two first end sub-connecting parts of the corresponding first connecting part through copper pipes.
Preferably, the first middle sub-connecting part and the first end sub-connecting part are provided with a protruding structure for the lower end face of the vibration reduction frame, and the protruding structure is provided with a connecting hole corresponding to the copper pipe; the second middle sub-connecting part and the second end sub-connecting part are welding grooves on the upper end face of the mounting seat.
Preferably, each steel cord is wound from a plurality of steel cords, each steel cord being wound from a plurality of steel cord cores.
Preferably, the vibration reduction frame is of an annular structure, and the outer side surface of the vibration reduction frame is provided with a connecting hole for fixedly mounting the crystal oscillator.
Preferably, nickel is plated on the surfaces of the vibration reduction frame and the mounting seat, and the copper pipe is welded on the vibration reduction frame and the mounting seat by adopting tin-lead solder.
Compared with the prior art, the invention has the following technical effects:
in the vibration damping device of the airborne crystal oscillator, when external vibration acts on the mounting seat, the external vibration is transmitted to the vibration damping frame after passing through a plurality of groups of steel ropes of a space three-dimensional structure, and the airborne crystal oscillator is rigidly mounted on the vibration damping frame. The external strong vibration is transmitted to the crystal oscillator after being transmitted and attenuated by the vibration damper, the energy transmitted to the crystal oscillator is attenuated to different degrees along with the change of the excitation frequency, the phase noise of the crystal oscillator is improved, and the vibration resistance of the crystal oscillator under the condition of strong vibration is realized. The invention has the advantages of low frequency, high vibration isolation efficiency, small amplification factor, wide temperature range, light weight and the like, can be used for quickly mounting various specifications and models of onboard crystal oscillators, and has low cost of the whole device and simple and convenient use and maintenance.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a vibration damping device for an on-board crystal oscillator according to the present invention;
fig. 2 is a schematic structural diagram of a vibration damping device for an on-board crystal oscillator according to the present invention after the crystal oscillator is mounted.
Reference numerals illustrate: the vibration damper comprises a vibration damper 1, a crystal oscillator mounting part 11, a first middle sub-connecting part 12, a first terminal connecting part 13, a mounting seat 2, a second middle sub-connecting part 21, a second terminal connecting part 22, a steel cable 3, a copper pipe 4 and a connecting hole 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention discloses a vibration damper for an airborne crystal oscillator, which comprises a vibration damper 1 and an installation seat 2, wherein: the vibration reduction frame 1 is provided with a crystal oscillator mounting part 11, the vibration reduction frame 1 is connected with the mounting seat 2 through a plurality of groups of steel cables 3, copper pipes 4 are crimped on the steel cables 3, and the vibration reduction frame 1 and the mounting seat 2 are respectively connected through the copper pipes 4.
The copper pipe 4 is used for connecting the single steel cable 3 with the vibration reduction frame 1 and the mounting seat 2. In a specific embodiment, copper tubes 4 with the outer diameter of 1mm and the inner diameter of 0.7mm are selected, and the length of each copper tube 4 is 3-4 mm, and 24 copper tubes are used in total. Each group is sequentially pressed and connected with the middle point and two end points of a 48mm multi-core multi-strand steel rope 3 by 3 copper pipes 4, and the vibration damper is used for 8 groups.
In the vibration damping device of the airborne crystal oscillator, when external vibration acts on the mounting seat 2, the external vibration is transmitted to the vibration damping frame 1 after passing through the plurality of groups of steel ropes 3 with the space three-dimensional structure, and the airborne crystal oscillator is rigidly mounted on the vibration damping frame 1. The external strong vibration is transmitted to the crystal oscillator after being transmitted and attenuated by the vibration damper, the energy transmitted to the crystal oscillator is attenuated to different degrees along with the change of the excitation frequency, the phase noise of the crystal oscillator is improved, and the vibration resistance of the crystal oscillator under the condition of strong vibration is realized. The invention has the advantages of low frequency, high vibration isolation efficiency, small amplification factor, wide temperature range, light weight and the like, can be used for quickly mounting various specifications and models of onboard crystal oscillators, and has low cost of the whole device and simple and convenient use and maintenance.
In addition, the steel cable 3 is not easy to directly weld, so the copper pipe 4 is crimped, and then the copper pipe 4 is welded with the vibration-damping frame 1 and the mounting seat 2 after being crimped, so that the fixed connection of the steel cable 3 is completed, and the connection strength is ensured.
In specific implementation, the mounting seat 2 is of an annular structure, and the vibration damper 1 is positioned in a hollow area of the annular structure.
By adopting the structure, the vibration reduction frame 1 can be ensured not to collide with the mounting seat 2 in the vibration process, and the crystal oscillator is prevented from being damaged by rigid impact.
When the crystal oscillator is mounted on the vibration reduction frame 1, the geometric centers of the crystal oscillator, the vibration reduction frame 1 and the mounting seat 2 are coaxial, the plurality of groups of steel ropes 3 are arranged in a circular array mode by taking a central shaft as an axis, and the central shaft is a connecting line of the geometric centers of the crystal oscillator, the vibration reduction frame 1 and the mounting seat 2.
In the invention, the steel cable 3 is arranged in a circular ring array mode, so that the whole device is centrosymmetric, and the stability of the whole device when impacted can be effectively improved.
In particular, each set of wires 3 comprises two wires 3.
In the invention, each group of steel ropes 3 adopts two steel ropes 3, so that the buffer performance can be further improved.
In specific implementation, a plurality of groups of first connecting parts are arranged on the vibration reduction frame 1, a plurality of groups of second connecting parts are arranged on the mounting seat 2, and the groups of steel cables 3, the first connecting parts and the second connecting parts are in one-to-one correspondence; each group of first connecting parts comprises a first middle sub-connecting part 12 and two first end sub-connecting parts 13, the first middle sub-connecting parts 12 in each group of first connecting parts are arranged in a circular array by taking a central shaft as an axis, and the two first end sub-connecting parts 13 in each group of first connecting parts are symmetrical relative to the connecting line of the first middle sub-connecting parts 12 and the central shaft; each group of second connecting parts comprises a second intermediate sub-connecting part 21 and two second end sub-connecting parts 22, the second intermediate sub-connecting parts 21 in each group of second connecting parts are arranged in a circular array by taking a central shaft as an axis, and the two second end sub-connecting parts 22 in each group of second connecting parts are symmetrical relative to the connecting line of the second intermediate sub-connecting parts 21 and the central shaft; in each group of steel cables 3, the middle part of one steel cable 3 is connected to the first middle sub-connecting part 12 of the corresponding first connecting part through a copper pipe 4, the two ends of the steel cable 3 are connected to the two second end sub-connecting parts 22 of the corresponding second connecting part through copper pipes 4, the middle part of the other steel cable 3 is connected to the second middle sub-connecting part 21 of the corresponding second connecting part through copper pipes 4, and the two ends of the steel cable 3 are connected to the two first end sub-connecting parts 13 of the corresponding first connecting part through copper pipes 4.
When the structure is adopted, in each group of steel ropes 3, the middle of one steel rope 3 is connected with the vibration reduction frame 1, and the two ends are connected with the mounting seats 2; the middle of the other steel cable 3 is connected with the mounting seat 2, and the two ends are connected with the vibration reduction frame 1. Each group of steel ropes 3 is provided with 6 connecting points, the connecting points are distributed in two groups of approximate space symmetry and are used for restraining the steel ropes 3 to form a stable space structure, the space shape of the steel ropes 3 determines the system rigidity and damping of the vibration damper, and the natural frequency and vibration isolation efficiency of the vibration damper are directly influenced; at the same time, the spatial structure of the steel cables 3 can avoid mutual interference.
In specific implementation, the first intermediate sub-connecting part 12 and the first end sub-connecting part 13 are provided with a protruding structure for the lower end face of the vibration reduction frame 1, and the protruding structure is provided with a connecting hole 5 corresponding to the copper pipe 4; the second intermediate sub-connecting portion 21 and the second terminal sub-connecting portion 22 are welding grooves on the upper end surface of the mounting seat 2. The connecting holes 5 and the grooves are used for positioning and fixing the connecting parts of the steel ropes 3, have the same functions, and from the viewpoint of operability of processing and assembly, each steel rope 3 only needs to be fixedly welded by punching and crimping at one end when being connected with the vibration reduction frame 1, and then can be directly positioned and welded with the mounting seat 2.
As shown in fig. 1, as a specific embodiment, the vibration damper 1 and the mounting base 2 are both square ring structures. The protruding structure corresponding to the first intermediate sub-connecting portion 12 is provided at the middle portion of the outer side surface of the damper frame 1, and the protruding structure corresponding to the first end sub-connecting portion 13 is provided at a position close to the corresponding outer side surface of the damper frame 1 adjacent to the outer side surface. 2 steel cables 3 are arranged in each group, each steel cable 3 is provided with 3 connecting points, and the 3 connecting points are respectively arranged on different surfaces of the vibration reduction frame 1 and the mounting seat 2 to form a space structure of the steel cable 3; the connection points of the 3 convex structures fixed on the same side of the vibration reduction frame 1 correspond to the steel ropes 3 in 3 directions, and are in staggered structures in space. In addition, the crystal oscillator connecting part provided with the connecting hole 5 extends above the protruding structure corresponding to the first intermediate sub-connecting part 12, and the strength of the connection with the crystal oscillator can be improved and the process can be simplified by integrally designing the protruding structure and the crystal oscillator connecting part.
In practice, each wire rope 3 is wound from a plurality of wires, each wire being wound from a plurality of wire cores.
7X 7 (7 strands each with 7 cores) multi-core multi-strand stainless steel ropes 3 with an outer diameter of 0.5mm can be selected, and the lengths of the single rope 3 are 48mm and 8. The multi-core multi-strand steel rope 3 is a key part for realizing high vibration isolation efficiency, the expected natural frequency of the vibration damper is obtained by selecting the wire diameter, the length and the molding shape of the steel rope 3, and the internal damping of the multi-strand steel rope 3 realizes lower magnification of the vibration damper. The natural frequency of the vibration damper is 30Hz when the weight of the crystal oscillator is 18g, and the vibration transmission rate of the vibration damper at the excitation frequency of 500Hz is less than 0.1%.
In specific implementation, the vibration reduction frame 1 is of an annular structure, and the outer side surface of the vibration reduction frame is provided with a connecting hole 5 for fixedly mounting a crystal oscillator.
In specific implementation, nickel is plated on the surfaces of the vibration reduction frame 1 and the mounting seat 2, and the copper pipe 4 is welded on the vibration reduction frame 1 and the mounting seat 2 by adopting tin-lead solder.
In consideration of the light weight requirement of the airborne structure, the vibration reduction frame 1, the mounting seat 2 and other parts are made of aluminum alloy materials, in order to ensure the weldability of the surfaces of the aluminum alloy parts, plating treatment is required before tin-lead solder welding, and nickel plating generally has good welding performance and surface protection performance, and the cost is lower compared with surface gold plating and the like.
The specific effect of the device in the invention is that the sample is manufactured and tested by the test, and the test data are as follows:
under the random vibration condition, the phase noise of the crystal oscillator output is
Wherein Γ is the acceleration sensitivity of the crystal oscillator, f 0 For the crystal oscillator frequency, f V Is the vibration frequency. Under vibration conditions, the phase noise of the crystal oscillator output only depends on the acceleration sensitivity, the working frequency and the vibration conditions. For a crystal oscillator of a certain model, the acceleration sensitivity and the working frequency are fixed values, and the phase noise is related to the vibration condition.
The vibration born by the crystal vibration compaction after the vibration reduction measures are taken can be expressed as
PSD x ＝PSD u ·T A
Middle PSD u The spectral density, T, is the acceleration of external vibration A Is the transmissibility of the vibration damping structure. The relationship between crystal oscillator phase noise and damping transmissibility can be converted into:
Ls＝L 0 +10log T A
compared with the method without vibration reduction measures, the theoretical value of the crystal oscillator phase noise is improved to be better than 16 dBc@100 Hz or more.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a vibration damper of machine carries crystal oscillator which characterized in that includes shock absorber and mount pad, wherein: the vibration reduction rack is provided with a crystal oscillator mounting part, the vibration reduction rack is connected with the mounting seat through a plurality of groups of steel cables, copper pipes are crimped on the steel cables, and the vibration reduction rack and the mounting seat are respectively connected through the copper pipes; when the crystal oscillator is mounted on the vibration reduction frame, the geometric centers of the crystal oscillator, the vibration reduction frame and the mounting seat are coaxial, the plurality of groups of steel ropes are arranged in a circular array mode by taking the central shaft as an axis, and the central shaft is a connecting line of the geometric centers of the crystal oscillator, the vibration reduction frame and the mounting seat; each group of steel ropes comprises two steel ropes; the vibration reduction rack is provided with a plurality of groups of first connecting parts, the mounting seat is provided with a plurality of groups of second connecting parts, and each group of steel ropes, the first connecting parts and the second connecting parts are in one-to-one correspondence; each group of first connecting parts comprises a first middle sub-connecting part and two first terminal connecting parts, the first middle sub-connecting parts in each group of first connecting parts are arranged in a circular array by taking a central shaft as an axis, and the two first terminal connecting parts in each group of first connecting parts are symmetrical relative to the connecting line of the first middle sub-connecting parts and the central shaft; each group of second connecting parts comprises a second intermediate sub-connecting part and two second end sub-connecting parts, the second intermediate sub-connecting parts in each group of second connecting parts are arranged in a circular array by taking a central shaft as an axis, and the two second end sub-connecting parts in each group of second connecting parts are symmetrical relative to the connecting line of the second intermediate sub-connecting parts and the central shaft; in each group of steel cables, the middle part of one steel cable is connected to the first middle sub-connecting part of the corresponding first connecting part through a copper pipe, the two ends of the one steel cable are connected to the two second end sub-connecting parts of the corresponding second connecting part through copper pipes, the middle part of the other steel cable is connected to the second middle sub-connecting part of the corresponding second connecting part through copper pipes, and the two ends of the other steel cable are connected to the two first end sub-connecting parts of the corresponding first connecting part through copper pipes.
2. The vibration damper of an on-board crystal oscillator of claim 1, wherein the mounting base is an annular structure, and the vibration damper is located at a hollow area of the annular structure.
3. The vibration damper of the onboard crystal oscillator according to claim 1, wherein the first intermediate sub-connecting part and the first end sub-connecting part are provided with a protruding structure for the lower end face of the vibration damper, and the protruding structure is provided with a connecting hole corresponding to the copper pipe; the second middle sub-connecting part and the second end sub-connecting part are welding grooves on the upper end face of the mounting seat.
4. The vibration damping device for an on-board crystal oscillator according to claim 1 or 2, wherein each wire rope is wound from a plurality of wires, each wire being wound from a plurality of wire cores.
5. The vibration damper of an on-board crystal oscillator according to claim 1 or 2, wherein the vibration damper has a ring-shaped structure, and the outer side surface is provided with a connecting hole for fixedly mounting the crystal oscillator.
6. The vibration damper of an on-board crystal oscillator according to claim 1 or 2, wherein the surfaces of the vibration damper and the mounting base are plated with nickel, and the copper tube is welded on the vibration damper and the mounting base by tin-lead solder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262073.XA CN112332796B (en) | 2020-11-12 | 2020-11-12 | Vibration damper of airborne crystal oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262073.XA CN112332796B (en) | 2020-11-12 | 2020-11-12 | Vibration damper of airborne crystal oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112332796A CN112332796A (en) | 2021-02-05 |
| CN112332796B true CN112332796B (en) | 2024-02-20 |
Family
ID=74318124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011262073.XA Active CN112332796B (en) | 2020-11-12 | 2020-11-12 | Vibration damper of airborne crystal oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112332796B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884479B (en) * | 2022-07-11 | 2022-09-09 | 成都优弗科技有限公司 | Real-time correction system for crystal oscillator vibration |
| CN116398581A (en) * | 2023-03-29 | 2023-07-07 | 中国科学院国家空间科学中心 | Crystal oscillator vibration damper for sounding rocket data transmission transmitter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1099876A1 (en) * | 1999-11-04 | 2001-05-16 | Gercom Automation GmbH & Co. KG | Damping support for an object |
| JP2009206771A (en) * | 2008-02-27 | 2009-09-10 | Hitachi Kokusai Electric Inc | Vibration-proof structure of oscillator |
| CN104009754A (en) * | 2014-06-13 | 2014-08-27 | 上海理工大学 | Steel wire rope crystal oscillator damping device |
| CN203911899U (en) * | 2014-06-23 | 2014-10-29 | 成都世源频控技术有限公司 | Miniaturized vibration resistant structure of crystal oscillator |
| CN205226224U (en) * | 2015-12-17 | 2016-05-11 | 南京中电熊猫晶体科技有限公司 | Wire rope crystal oscillator damping structure |
| CN107387654A (en) * | 2017-07-13 | 2017-11-24 | 西安电子科技大学 | A kind of rope draws the passive crystal oscillator vibration absorber of translation |
| CN109687836A (en) * | 2018-11-21 | 2019-04-26 | 中国电子科技集团公司第三十八研究所 | A kind of miniaturization antivibration a reference source |
| CN109973576A (en) * | 2019-04-30 | 2019-07-05 | 北京无线电测量研究所 | A kind of bilayer low frequency crystal oscillator isolation mounting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5537856B2 (en) * | 2009-07-24 | 2014-07-02 | 株式会社田中制震構造研究所 | Vibration control device |
-
2020
- 2020-11-12 CN CN202011262073.XA patent/CN112332796B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1099876A1 (en) * | 1999-11-04 | 2001-05-16 | Gercom Automation GmbH & Co. KG | Damping support for an object |
| JP2009206771A (en) * | 2008-02-27 | 2009-09-10 | Hitachi Kokusai Electric Inc | Vibration-proof structure of oscillator |
| CN104009754A (en) * | 2014-06-13 | 2014-08-27 | 上海理工大学 | Steel wire rope crystal oscillator damping device |
| CN203911899U (en) * | 2014-06-23 | 2014-10-29 | 成都世源频控技术有限公司 | Miniaturized vibration resistant structure of crystal oscillator |
| CN205226224U (en) * | 2015-12-17 | 2016-05-11 | 南京中电熊猫晶体科技有限公司 | Wire rope crystal oscillator damping structure |
| CN107387654A (en) * | 2017-07-13 | 2017-11-24 | 西安电子科技大学 | A kind of rope draws the passive crystal oscillator vibration absorber of translation |
| CN109687836A (en) * | 2018-11-21 | 2019-04-26 | 中国电子科技集团公司第三十八研究所 | A kind of miniaturization antivibration a reference source |
| CN109973576A (en) * | 2019-04-30 | 2019-07-05 | 北京无线电测量研究所 | A kind of bilayer low frequency crystal oscillator isolation mounting |
Non-Patent Citations (2)
| Title |
|---|
| 一种联合补偿的动态相位噪声优化设计方法;穆晓华等;《压电与声光》(第2期);33-36 * |
| 抗振晶体振荡器的仿真设计;唐元贵等;《宇航计测技术》;第36卷(第1期);37-41 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112332796A (en) | 2021-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112332796B (en) | Vibration damper of airborne crystal oscillator | |
| CN205049335U (en) | Harmonious attenuator damping effect monitoring devices | |
| CN105552813A (en) | Collision energy-dissipation spacing rod | |
| CN206422208U (en) | A kind of chamber power divider | |
| CN102322877A (en) | Magnetostrictive position sensor and magnetostrictive sensing component thereof | |
| CN106768509A (en) | A kind of adjustable testing transformer of winding stress | |
| CN110901935B (en) | Shock absorber for large-scale aviation optical pod and aviation optical pod | |
| CN209029125U (en) | A kind of platypelloid type shape memory cable with resistance to compression defencive function | |
| CN110159691A (en) | A kind of big damping isolator of complex stiffness | |
| CN106960998A (en) | A kind of damping flange for base of satellite antenna | |
| CN219350646U (en) | Single-spiral whip antenna | |
| CN210034280U (en) | Damping device for cold head of high-power refrigerator | |
| CN210768061U (en) | Vibration damper for tower mast structure | |
| CN106017831A (en) | Ultrahigh-voltage high-resistance model and shock-resistant and shock-insulation test method thereof | |
| CN105910782B (en) | A kind of seismographic station experimental rig of Transmission Tower-line System | |
| CN219064561U (en) | Sensor structure of communication module | |
| CN210272632U (en) | High-sensitivity antenna assembly | |
| CN219345364U (en) | Damping device for connecting rod of submarine detection robot | |
| RU2458436C2 (en) | Shock absorber for mobile antenna | |
| CN214097541U (en) | Grading ring for converter transformer partial discharge test device | |
| CN216212489U (en) | Aluminum core flame-retardant shielding cable | |
| CN212272925U (en) | Vibration damper | |
| CN219476984U (en) | External high-gain antenna | |
| CN213735524U (en) | Stable in structure's a support for surveying and mapping unmanned aerial vehicle | |
| CN219416636U (en) | Moving coil structure, low thrust vibrating table and long stroke vibrating table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |