CN112332796A - Vibration damper of airborne crystal oscillator - Google Patents
Vibration damper of airborne crystal oscillator Download PDFInfo
- Publication number
- CN112332796A CN112332796A CN202011262073.XA CN202011262073A CN112332796A CN 112332796 A CN112332796 A CN 112332796A CN 202011262073 A CN202011262073 A CN 202011262073A CN 112332796 A CN112332796 A CN 112332796A
- Authority
- CN
- China
- Prior art keywords
- vibration
- crystal oscillator
- sub
- connecting parts
- damping frame
- 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.)
- Granted
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 77
- 238000013016 damping Methods 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052802 copper Inorganic materials 0.000 claims abstract description 33
- 239000010949 copper Substances 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 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
- 230000009467 reduction Effects 0.000 abstract description 12
- 230000002238 attenuated effect Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000003321 amplification Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 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
- 238000004804 winding Methods 0.000 description 2
- 239000000956 alloy Substances 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
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 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
Images
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 airborne crystal oscillator, which comprises a vibration damping frame and a mounting seat, wherein: the vibration damping frame is provided with a crystal vibration installation part, the vibration damping frame is connected with the installation seat through a plurality of groups of steel cables, copper pipes are connected to the steel cables in a pressing mode, and the vibration damping frame and the installation seat are connected through the copper pipes respectively. When external vibration acts on the mounting seat, the vibration passes through the plurality of groups of steel cables with the space three-dimensional structure and is transmitted to the vibration reduction frame, 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 attenuation device, the energy transmitted to the crystal oscillator by the vibration 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 strong vibration condition 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 installing various specifications and models of airborne crystal oscillators, and has low cost and simple and convenient use and maintenance of the whole device.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a vibration damper of an airborne crystal oscillator.
Background
The crystal oscillator is an important part of system equipment such as radar, communication and the like, can realize excellent performance indexes under a static state, but the performance indexes are rapidly deteriorated under a vibration condition, particularly 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 mainly realized by sticking a damping rubber pad on the outside or installing a rubber damper. The vibration damping mode has a simple structure and a certain vibration damping effect, but the vibration damping performance is greatly fluctuated along with the temperature change due to the narrow temperature range of the rubber, and the sticking installation has the falling risk and low reliability; the natural frequency of a vibration damping structure provided with the rubber vibration damper is difficult to be lowered, the natural frequency is commonly about 200Hz, and the low-frequency vibration resistance of the crystal vibration 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 damping performance of the crystal oscillator becomes a problem which needs to be solved by the technical personnel in the field.
Disclosure of Invention
Aiming at the defects in the prior art, the problems actually solved by the invention are as follows: the method avoids the influence of temperature on the vibration damping performance, reduces the natural frequency of the vibration damping device, reduces the vibration transmission rate and improves the vibration damping performance of the crystal oscillator.
In order to solve the above problems, the technical scheme disclosed by the invention is as follows:
the utility model provides a damping device of airborne crystal oscillator, includes damping frame and mount pad, wherein: the vibration damping frame is provided with a crystal vibration installation part, the vibration damping frame is connected with the installation seat through a plurality of groups of steel cables, copper pipes are connected to the steel cables in a pressing mode, and the vibration damping frame and the installation seat are connected through the copper pipes respectively.
Preferably, the mounting seat is an annular structure, and the vibration damping frame is located in a hollow area of the annular structure.
Preferably, when the crystal oscillator is mounted on the vibration damping frame, the geometric centers of the crystal oscillator, the vibration damping frame and the mounting seat are coaxial, the plurality of groups of steel cables 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 damping frame and the mounting seat.
Preferably, each set of steel cords comprises two steel cords.
Preferably, the vibration damping 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 the groups of steel cables, 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 sub-connecting parts, the first middle sub-connecting parts in each group of first connecting parts are arranged in a circular array mode by taking the central axis as an axis, and the two first terminal sub-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 axis; each group of second connecting parts comprises a second middle sub-connecting part and two second end sub-connecting parts, the second middle sub-connecting parts in each group of second connecting parts are arranged in a circular array mode by taking the central axis 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 middle sub-connecting parts and the central axis; 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 other 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 terminal sub-connecting part are provided with a convex structure on the lower end face of the vibration damping frame, and the convex 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 surface of the mounting seat.
Preferably, each steel cord is wound from a plurality of steel wires, each wire being wound from a plurality of wire cores.
Preferably, the vibration damping frame is of an annular structure, and the outer side surface of the vibration damping frame is provided with a connecting hole for fixedly mounting the crystal oscillator.
Preferably, the surfaces of the vibration reduction frame and the mounting seat are plated with nickel, 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 base, the external vibration passes through the plurality of groups of steel cables with the space three-dimensional structure and is transmitted to the vibration damping frame, 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 attenuation device, the energy transmitted to the crystal oscillator by the vibration 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 strong vibration condition 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 installing various specifications and models of airborne crystal oscillators, and has low cost and simple and convenient use and maintenance of the whole device.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a damping device of an onboard crystal oscillator according to the present invention;
fig. 2 is a schematic structural diagram of an onboard crystal oscillator after a crystal oscillator is mounted on a vibration damping device of the onboard crystal oscillator.
Description of reference numerals: the vibration damping frame comprises a vibration damping frame 1, a crystal oscillator installation part 11, a first middle sub-connection part 12, a first end head sub-connection part 13, an installation seat 2, a second middle sub-connection part 21, a second end head sub-connection part 22, a steel cable 3, a copper pipe 4 and a connection 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 damping device of an airborne crystal oscillator, comprising a vibration damping frame 1 and a mounting base 2, wherein: the vibration damping frame 1 is provided with a crystal vibration installation part 11, the vibration damping frame 1 is connected with the installation seat 2 through a plurality of groups of steel cables 3, copper pipes 4 are pressed on the steel cables 3, and the vibration damping frame 1 and the installation 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 damping frame 1 and the mounting seat 2. In a specific embodiment, 24 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 mm-4 mm. Each group is sequentially pressed on the middle point and two end points of a 48mm multi-core and multi-strand steel cable 3 by using 3 copper pipes 4, and the damping device shares 8 groups.
In the vibration damping device of the airborne crystal oscillator provided by the invention, when external vibration acts on the mounting base 2, the external vibration passes through the plurality of groups of steel cables 3 with the space three-dimensional structure and is transmitted to the vibration damping frame 1, 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 attenuation device, the energy transmitted to the crystal oscillator by the vibration 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 strong vibration condition 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 installing various specifications and models of airborne crystal oscillators, and has low cost and simple and convenient use and maintenance of the whole device.
In addition, because the steel cable 3 is not easy to be directly welded, the steel cable 3 is fixedly connected in a mode of crimping the copper pipe 4, and then welding the copper pipe 4, the vibration damping frame 1 and the mounting seat 2 after riveting, so that the connection strength is ensured.
In specific implementation, the mounting seat 2 is an annular structure, and the vibration damping frame 1 is located 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 due to rigid impact.
In specific implementation, 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 base 2 are coaxial, the plurality of groups of steel cables 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 base 2.
In the invention, the steel cables 3 are arranged in a circular array mode, so that the whole device is centrosymmetric, and the stability of the whole device when being impacted can be effectively improved.
In a specific embodiment, each set of cables 3 comprises two cables 3.
In the invention, two steel cables 3 are adopted in each group of steel cables 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 damping frame 1, a plurality of groups of second connecting parts are arranged on the mounting base 2, and the 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 terminal sub-connecting parts 13, the first middle sub-connecting parts 12 in each group of first connecting parts are arranged in a circular array mode by taking a central axis as an axis, and the two first terminal sub-connecting parts 13 in each group of first connecting parts are symmetrical relative to a connecting line of the first middle sub-connecting parts 12 and the central axis; each group of second connecting parts comprises a second middle sub-connecting part 21 and two second end sub-connecting parts 22, the second middle sub-connecting parts 21 in each group of second connecting parts are arranged in a circular array mode by taking a central axis as an axis, and the two second end sub-connecting parts 22 in each group of second connecting parts are symmetrical relative to a connecting line of the second middle sub-connecting parts 21 and the central axis; in each group of steel cables 3, the middle of one steel cable 3 is connected to the first middle sub-connecting portion 12 of the corresponding first connecting portion through the copper tube 4, the two ends of the steel cable are connected to the two second end sub-connecting portions 22 of the corresponding second connecting portion through the copper tube 4, the middle of the other steel cable 3 is connected to the second middle sub-connecting portion 21 of the corresponding second connecting portion through the copper tube 4, and the two ends of the steel cable are connected to the two first end sub-connecting portions 13 of the corresponding first connecting portion through the copper tube 4.
When the structure is adopted, in each group of steel cables 3, the middle of one steel cable 3 is connected with the vibration damping frame 1, and the two ends of the steel cable 3 are connected with the mounting base 2; the middle of the other steel cable 3 is connected with the mounting base 2, and the two ends of the other steel cable are connected with the vibration damping frame 1. Each group of steel cables 3 is provided with 6 connecting points which are distributed in two groups of approximate space symmetry and used for constraining the steel cables 3 to form a stable space structure, the space shape of the steel cables 3 determines the system rigidity and the damping of the vibration damping device and directly influences the natural frequency and the vibration isolation efficiency of the vibration damping device; while the spatial structure of the steel cables 3 avoids mutual interference.
In specific implementation, the first intermediate sub-connecting portion 12 and the first terminal sub-connecting portion 13 are protruding structures arranged on the lower end face of the vibration damping frame 1, and the protruding structures are provided with connecting holes 5 corresponding to the copper pipes 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 base 2. The connecting holes 5 and the grooves are used for positioning and fixing the connecting parts of the steel cables 3, the functions are the same, and in view of the operability of processing and assembling, each steel cable 3 only needs to be fixedly welded through punching and pressing at one end when being connected with the vibration damping frame 1, and then can be directly welded with the mounting seat 2.
As shown in fig. 1, as a specific embodiment, the damping frame 1 and the mounting seat 2 are both square ring structures. The convex structure corresponding to the first intermediate sub-connecting portion 12 is arranged in the middle of the outer side surface of the vibration damping frame 1, and the convex structure corresponding to the first terminal connecting portion 13 is arranged on the adjacent outer side surface of the vibration damping frame 1 close to the corresponding outer side surface. Each group of steel cables 3 has 2 steel cables, each steel cable 3 has 3 connecting points, and the 3 connecting points are respectively arranged on different surfaces of the vibration damping frame 1 and the mounting seat 2 to form a space structure of the steel cable 3; the connecting points of the 3 convex structures fixed on the same side of the vibration damping frame 1 correspond to the steel cables 3 in 3 directions and are in a staggered structure in space. In addition, the crystal oscillator connecting part provided with the connecting hole 5 extends above the protruding structure corresponding to the first middle sub-connecting part 12, and the strength of 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 specific implementation, each steel cable 3 is formed by winding a plurality of steel wires, and each steel wire is formed by winding a plurality of steel wire cores.
7 multiplied by 7 (7 strands in total, 7 cores in each strand) multi-core multi-strand stainless steel cables 3 with the outer diameter of 0.5mm can be selected, and 8 steel cables 3 with the length of 48mm can be selected. The multi-core multi-strand steel cable 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 forming shape of the steel cable 3, and the internal damping of the multi-strand steel cable 3 realizes lower amplification factor of the vibration damper. The natural frequency of the vibration damping device is 30Hz when the weight of the crystal oscillator is 18g, and the vibration transmission rate at the excitation frequency of 500Hz is less than 0.1 percent.
In specific implementation, the vibration damping frame 1 is of an annular structure, and the outer side surface of the vibration damping frame is provided with a connecting hole 5 for fixedly mounting a crystal oscillator.
In the specific implementation, the surfaces of the vibration damping frame 1 and the mounting seat 2 are plated with nickel, and the copper pipe 4 is welded on the vibration damping frame 1 and the mounting seat 2 by adopting tin-lead solder.
In consideration of the lightweight requirement of an airborne structure, parts such as the vibration reduction frame 1, the mounting seat 2 and the like are made of aluminum alloy materials, in order to ensure the weldability of the surface of an aluminum alloy part, plating treatment is needed before tin-lead solder welding, and generally nickel plating 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 provided by the invention is realized by manufacturing a sample and testing, and the test data is as follows:
under the condition of random vibration, the phase noise output by the crystal oscillator is
Wherein F is the acceleration sensitivity of crystal oscillator0Is the crystal oscillation frequency, fVIs the vibration frequency. Under vibration conditions, the phase noise output by the crystal oscillator depends only on the acceleration sensitivity, the working frequency and the vibration conditions. For the crystal oscillator with the determined model, the acceleration sensitivity and the working frequency are fixed values, and the phase noise is related to the vibration condition.
The vibration actually born by the crystal oscillator after vibration reduction measures are taken can be expressed as
PSDx＝PSDu·TA
PSD in the formulauAcceleration spectral density, T, for external vibrationsAThe transmission rate of the vibration damping structure. The relationship between the phase noise of the crystal oscillator and the damping transmission rate can be converted into:
Ls＝L0+10log TA
compared with the method without vibration reduction measures, the theoretical value improvement of the phase noise of the crystal oscillator is better than 16dBc @ ≧ 100 Hz.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art 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 (9)
1. The utility model provides a damping device of airborne crystal oscillator which characterized in that, includes damping frame and mount pad, wherein: the vibration damping frame is provided with a crystal vibration installation part, the vibration damping frame is connected with the installation seat through a plurality of groups of steel cables, copper pipes are connected to the steel cables in a pressing mode, and the vibration damping frame and the installation seat are connected through the copper pipes respectively.
2. The apparatus of claim 1, wherein the mounting base is an annular structure and the damping frame is located in a hollow region of the annular structure.
3. The apparatus of claim 1, wherein the crystal oscillator, the vibration-damping frame and the mounting base are coaxial when the crystal oscillator is mounted on the vibration-damping frame, and the plurality of sets of cables are arranged in a circular array about a central axis connecting the geometric centers of the crystal oscillator, the vibration-damping frame and the mounting base.
4. The vibration damper for an airborne crystal oscillator according to claim 3, wherein each set of cables comprises two cables.
5. The vibration damper of an airborne crystal oscillator according to claim 4, wherein the vibration damper frame is provided with a plurality of groups of first connecting portions, the mounting base is provided with a plurality of groups of second connecting portions, and each group of the steel cables, the first connecting portions and the second connecting portions are in one-to-one correspondence; each group of first connecting parts comprises a first middle sub-connecting part and two first terminal sub-connecting parts, the first middle sub-connecting parts in each group of first connecting parts are arranged in a circular array mode by taking the central axis as an axis, and the two first terminal sub-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 axis; each group of second connecting parts comprises a second middle sub-connecting part and two second end sub-connecting parts, the second middle sub-connecting parts in each group of second connecting parts are arranged in a circular array mode by taking the central axis 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 middle sub-connecting parts and the central axis; 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 other 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.
6. The vibration damping device for an airborne crystal oscillator according to claim 5, wherein the first intermediate sub-connecting portion and the first terminal sub-connecting portion are provided with a protrusion structure on the lower end surface of the vibration damping frame, and the protrusion 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 surface of the mounting seat.
7. A vibration damper for an airborne crystal oscillator according to any one of claims 1 to 5, wherein each of the steel cords is wound from a plurality of steel wires, each of the steel wires being wound from a plurality of steel wire cores.
8. A vibration damping device for an airborne crystal oscillator according to any one of claims 1 to 5, wherein the vibration damping frame is of an annular structure, and the outer side surface of the vibration damping frame is provided with a connecting hole for fixedly mounting the crystal oscillator.
9. A vibration damper for an airborne crystal oscillator according to any one of claims 1 to 5, wherein the surfaces of the vibration damper frame and the mount base are plated with nickel, and the copper tube is soldered to the vibration damper frame and the mount base by using 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 true CN112332796A (en) | 2021-02-05 |
| CN112332796B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884479A (en) * | 2022-07-11 | 2022-08-09 | 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 (9)
| 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 |
| US20110017561A1 (en) * | 2009-07-24 | 2011-01-27 | Tanaka Seishin Kozo Laboratory Inc. | Vibration damping apparatus |
| 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 |
-
2020
- 2020-11-12 CN CN202011262073.XA patent/CN112332796B/en active Active
Patent Citations (9)
| 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 |
| US20110017561A1 (en) * | 2009-07-24 | 2011-01-27 | Tanaka Seishin Kozo Laboratory Inc. | Vibration damping apparatus |
| 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 |
|---|
| 唐元贵等: "抗振晶体振荡器的仿真设计", 《宇航计测技术》, vol. 36, no. 1, pages 37 - 41 * |
| 穆晓华等: "一种联合补偿的动态相位噪声优化设计方法", 《压电与声光》, no. 2, pages 33 - 36 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884479A (en) * | 2022-07-11 | 2022-08-09 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112332796B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112332796B (en) | Vibration damper of airborne crystal oscillator | |
| US20020015359A1 (en) | Supporting structure of hydrophones for towed array sonar system | |
| CN205049335U (en) | Harmonious attenuator damping effect monitoring devices | |
| US6943290B2 (en) | Vibration damper for overhead power lines | |
| CN206422208U (en) | A kind of chamber power divider | |
| CN217935930U (en) | Hoop type underwater acoustic equipment | |
| JP4540680B2 (en) | Optical module | |
| CN219350646U (en) | Single-spiral whip antenna | |
| CN106960998A (en) | A kind of damping flange for base of satellite antenna | |
| CN114362002A (en) | Noise reduction device | |
| CN210272632U (en) | High-sensitivity antenna assembly | |
| CN219476984U (en) | External high-gain antenna | |
| CN212905170U (en) | Special antenna test tool | |
| CN216212489U (en) | Aluminum core flame-retardant shielding cable | |
| CN219064561U (en) | Sensor structure of communication module | |
| RU2228567C1 (en) | Multifrequency vibration damper | |
| RU2458436C2 (en) | Shock absorber for mobile antenna | |
| CN112397886B (en) | Narrow-beam directional antenna and preparation method thereof | |
| CN216134543U (en) | Special aluminum profile mechanism for 5G communication base station | |
| CN213092861U (en) | Communication cable with good heat dissipation | |
| CN202711852U (en) | Polytetrafluoroethylene longitudinal hole insulating low-loss high stable-phase coaxial cable | |
| CN220272254U (en) | Supporting device for transformer installation | |
| RU2269875C1 (en) | Multi-element linear module of hydro-acoustic receipt antenna | |
| CN212587706U (en) | Electronic communication antenna support | |
| CN214382045U (en) | Signal acquisition device for electronic countermeasure |
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 |