CN210240432U - Steel wire shock-absorbing structure for crystal oscillator - Google Patents
Steel wire shock-absorbing structure for crystal oscillator Download PDFInfo
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- CN210240432U CN210240432U CN201921059327.0U CN201921059327U CN210240432U CN 210240432 U CN210240432 U CN 210240432U CN 201921059327 U CN201921059327 U CN 201921059327U CN 210240432 U CN210240432 U CN 210240432U
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Abstract
The utility model relates to a crystal oscillator technical field discloses a steel wire shock-absorbing structure for crystal oscillator, shock-absorbing structure includes the base and can dismantle the elasticity damper who fixes on the base, crystal oscillator and elasticity damper fixed connection, elasticity damper can absorb external shock for example strong vibration, strong impact, fall the vibration energy that etc. produced, reduce the mechanical resonance that the inside wafer of crystal oscillator produced because of external force by a wide margin, and then reduce the condition that crystal oscillator's phase noise worsens, promote communication quality and reliability in the use under the dynamic environment.
Description
Technical Field
The utility model relates to a crystal oscillator technical field, more specifically say, it relates to a crystal oscillator is with steel wire shock-absorbing structure.
Background
The crystal oscillator is a key component of electronic equipment, and is generally used as a reference source of time or frequency in equipment such as communication, electronics, aerospace, instruments and meters due to good technical indexes such as frequency stability and phase noise, and is called as the heart of the electronic equipment.
The quartz resonator is used as a core element of the crystal oscillator, the working principle of the quartz resonator is the inverse piezoelectric effect of quartz, when alternating current is applied to two sides of a quartz wafer, the quartz resonator can generate a mechanical resonance phenomenon, and if the resonance frequency is just near the resonance frequency point of the quartz wafer, the alternating current frequency transmitted from electrodes on two sides of the wafer is the frequency point. Generally, the higher the frequency point is, the thinner the quartz slice thickness is, and as the performance of electronic equipment is improved, the accuracy of the output frequency of the crystal oscillator is often decisive for the performance of the equipment. However, a simple crystal oscillator cannot be used, and a corresponding peripheral circuit is required to implement the application function.
However, when the crystal oscillator is subjected to external action to generate a large acceleration, such as strong vibration, strong impact, falling, etc., additional mechanical resonance is brought, which is partially called interference, and the interference is loaded into a signal generated by the crystal oscillator to cause deterioration of phase noise, frequency stability, etc., the phase noise can reflect short-term stability of the frequency signal, and for vehicle-mounted and vehicle-mounted environments requiring communication in the mobile, the deterioration of the phase noise can cause deterioration of signal quality and stability, and in severe cases, data packet drop, error code, even communication incapability, etc. in the communication can be caused. Furthermore, the strong mechanical resonance may cause irreversible damage to the quartz wafer and the support, which may cause serious consequences such as malfunction of the crystal oscillator.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a crystal oscillator uses steel wire shock-absorbing structure, it has the shock attenuation effectual, reduces crystal oscillator's phase noise and worsens, can realize the advantage of protection to crystal oscillator.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a crystal oscillator is with steel wire shock-absorbing structure, shock-absorbing structure includes the base and can dismantle to be fixed elasticity damper on the base, crystal oscillator with elasticity damper fixed connection.
Through above-mentioned technical scheme, the elastic shock-absorbing component can absorb the vibration energy that external shock produced such as strong vibration, strong impact, fall etc. reduces the mechanical resonance that crystal oscillator inside wafer produced because of external force by a wide margin, and then reduces the condition that crystal oscillator's phase noise worsens, promotes communication quality and reliability in the use under the dynamic environment.
The utility model discloses further set up to: the elastic shock absorption assembly comprises a plurality of detachable energy absorption elastic pieces fixedly connected to the base, one end, far away from the base, of each energy absorption elastic piece is fixedly connected to the crystal oscillator, and a cavity is formed between the crystal oscillator and the base.
Through the technical scheme, one end, close to the base, of the crystal oscillator, which is made by the cavity, is not directly contacted with the base, so that an overhead structure is formed, and a good vibration reduction effect can be achieved in the three-dimensional direction.
The utility model discloses further set up to: the energy-absorbing elastic piece comprises a positioning seat detachably and fixedly connected to the base, a first positioning block fixedly connected with the positioning seat and an elastic steel wire;
the first positioning block is provided with a first penetrating hole for the elastic steel wire to penetrate through, the crystal oscillator is fixedly connected with a plurality of second positioning blocks, and the second positioning blocks are provided with second penetrating holes for the elastic steel wire to penetrate through.
Through above-mentioned technical scheme, the elasticity steel wire runs through first wear to establish hole and second wear to establish the hole, absorbs the vibration energy when supporting crystal oscillator.
The utility model discloses further set up to: the elastic steel wire is annular.
Through the technical scheme, abrasion to the elastic steel can be reduced under the condition of strong vibration, breakage is prevented, long-time strong vibration can be endured, and meanwhile, the boundary place of the first positioning block, the second positioning block and the elastic steel wire can be protected from being damaged.
The utility model discloses further set up to: the elastic damping assembly comprises a plurality of positioning screws, a plurality of positioning holes are formed in the positioning seat, and the positioning screws penetrate through the positioning holes to be in threaded connection with the base.
Through above-mentioned technical scheme, can realize the quick fixed and the dismantlement of positioning seat.
The utility model discloses further set up to: the energy-absorbing elastic pieces are arranged in 4 numbers and are arranged on the base in a centrosymmetric mode.
Through above-mentioned technical scheme, the structure of symmetry can be more even absorption vibration energy, promotes the ascending shock attenuation effect in three-dimensional direction.
Compared with the prior art, the beneficial effects of the utility model are that:
the elastic damping component can absorb vibration energy generated by external impact such as strong vibration, strong impact, falling and the like, greatly reduces mechanical resonance of the internal wafer of the crystal oscillator caused by external force, further reduces the deterioration condition of phase noise of the crystal oscillator, and improves the communication quality and reliability in the use process under the dynamic environment.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the present invention;
fig. 3 is a partial structural sectional view of an embodiment of the present invention.
Reference numerals: 1. a base; 2. an elastic shock-absorbing member; 21. an energy-absorbing elastic member; 211. positioning seats; 212. a first positioning block; 213. an elastic steel wire; 214. a first through hole; 215. a second positioning block; 216. a second through hole; 217. positioning holes; 22. a cavity; 23. and (5) positioning screws.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A steel wire shock-absorbing structure for a crystal oscillator is shown in figure 1 and comprises a base 1 and an elastic shock-absorbing component 2 detachably fixed on the base 1, wherein the crystal oscillator is fixedly connected with the elastic shock-absorbing component 2.
As shown in fig. 1, the energy-absorbing elastic member 21 includes a positioning base 211, a first positioning block 212 and an elastic steel wire 213 fixedly connected to the positioning base 211, and a plurality of set screws 23. The positioning base 211 is provided with a plurality of positioning holes 217 (see fig. 3), and the positioning screws 23 pass through the positioning holes 217 and are in threaded connection with the base 1.
Referring to fig. 1 and 2, the elastic wire 213 is ring-shaped, a first through hole 214 for the elastic wire 213 to pass through is formed in the first positioning block 212, a plurality of second positioning blocks 215 are fixedly connected to the crystal oscillator, and a second through hole 216 for the elastic wire 213 to pass through is formed in the second positioning block 215. The elastic steel wire 213 penetrates through the first through hole 214 and the second through hole 216, and absorbs vibration energy while supporting the crystal oscillator, so that abrasion to the elastic steel under a strong vibration condition can be reduced, breakage is prevented, long-time strong vibration can be endured, and meanwhile, a junction of the first positioning block 212, the second positioning block 215 and the elastic steel wire 213 can be protected from being damaged.
As shown in fig. 1 and 2, the elastic steel wire 213 forms a cavity 22 between the crystal oscillator and the base 1, and keeps one end of the crystal oscillator close to the base 1 from directly contacting the base 1, thereby forming an overhead structure, and achieving a good vibration damping effect in three dimensions. The energy-absorbing elastic member 21 can absorb vibration energy generated by external impact such as strong vibration, strong impact, falling and the like, so that mechanical resonance of the internal wafer of the crystal oscillator caused by external force is greatly reduced, the phase noise deterioration of the crystal oscillator is further reduced, and the communication quality and reliability in the use process under a dynamic environment are improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A steel wire shock absorption structure for a crystal oscillator is characterized by comprising a base (1) and an elastic shock absorption assembly (2) detachably fixed on the base (1), wherein the crystal oscillator is fixedly connected with the elastic shock absorption assembly (2);
the elastic shock absorption assembly (2) comprises a plurality of energy absorption elastic pieces (21) detachably and fixedly connected to the base (1), one end, far away from the base (1), of each energy absorption elastic piece (21) is fixedly connected to the crystal oscillator, and a cavity (22) is formed between the crystal oscillator and the base (1);
the energy-absorbing elastic piece (21) comprises a positioning seat (211) detachably and fixedly connected to the base (1), a first positioning block (212) fixedly connected with the positioning seat (211) and an elastic steel wire (213);
the first positioning block (212) is provided with a first through hole (214) for the elastic steel wire (213) to penetrate through, the crystal oscillator is fixedly connected with a plurality of second positioning blocks (215), and the second positioning blocks (215) are provided with second through holes (216) for the elastic steel wire (213) to penetrate through.
2. The steel wire shock-absorbing structure for a crystal oscillator according to claim 1, wherein said elastic steel wire (213) is ring-shaped.
3. The steel wire shock-absorbing structure for the crystal oscillator according to claim 1, wherein the elastic shock-absorbing component (2) comprises a plurality of positioning screws (23), the positioning seat (211) is provided with a plurality of positioning holes (217), and the positioning screws (23) pass through the positioning holes (217) to be in threaded connection with the base (1).
4. The steel wire shock-absorbing structure for the crystal oscillator according to claim 1, wherein said energy-absorbing elastic members (21) are provided in 4 pieces, and are arranged on said base (1) in a central symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059327.0U CN210240432U (en) | 2019-07-05 | 2019-07-05 | Steel wire shock-absorbing structure for crystal oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059327.0U CN210240432U (en) | 2019-07-05 | 2019-07-05 | Steel wire shock-absorbing structure for crystal oscillator |
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| Publication Number | Publication Date |
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| CN210240432U true CN210240432U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921059327.0U Active CN210240432U (en) | 2019-07-05 | 2019-07-05 | Steel wire shock-absorbing structure for crystal oscillator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696456A (en) * | 2020-12-22 | 2021-04-23 | 北京无线电计量测试研究所 | Auxiliary vibration damping device and method for crystal oscillator |
-
2019
- 2019-07-05 CN CN201921059327.0U patent/CN210240432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696456A (en) * | 2020-12-22 | 2021-04-23 | 北京无线电计量测试研究所 | Auxiliary vibration damping device and method for crystal oscillator |
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