CN203827318U - Multi-spring damping type anti-shock constant temperature crystal oscillator - Google Patents
Multi-spring damping type anti-shock constant temperature crystal oscillator Download PDFInfo
- Publication number
- CN203827318U CN203827318U CN201420212287.XU CN201420212287U CN203827318U CN 203827318 U CN203827318 U CN 203827318U CN 201420212287 U CN201420212287 U CN 201420212287U CN 203827318 U CN203827318 U CN 203827318U
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- Prior art keywords
- oscillating circuit
- circuit board
- crystal oscillator
- crystal resonator
- damping
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- Expired - Lifetime
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- 239000013078 crystal Substances 0.000 title claims abstract description 52
- 238000013016 damping Methods 0.000 title claims abstract description 24
- 230000000703 anti-shock Effects 0.000 title abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
The utility model provides a multi-spring damping type anti-shock constant temperature crystal oscillator, relates to the technical field of crystal oscillators, and solves the technical problem of low frequency stability. The oscillator comprises a crystal resonator, a fixing plate and an oscillating circuit board carrying an oscillating circuit. A plurality of through holes are disposed in the oscillating circuit board. Pins of the crystal oscillator penetrate respectively through the through holes in the oscillating circuit board in an active cooperation manner, are then fixedly connected to the fixing plate, and are respectively connected to the oscillating circuit on the oscillating circuit board via a soft conductor. Each pin of the crystal oscillator is sleeved by two damping springs. Of the two damping springs on the same pin, two ends of one damping spring abut respectively against the crystal oscillator and the oscillating circuit board, and two ends of the other damping spring abut respectively against the oscillating circuit board and the fixing plate. The oscillator provided by the utility model is relatively high in frequency stability.
Description
Technical field
The utility model relates to crystal oscillator technology, particularly relates to a kind of technology of many springs shock-absorbing type antidetonation constant-temperature crystal oscillator.
Background technology
High frequency crystal oscillator is the critical component in electronic equipment, and it is widely used in, in the equipment such as navigation, communication, radar, measuring instrument, being called as " heart " of this class of electronic devices as reference frequency source (reference source).
As shown in Figure 2, traditional crystal oscillator is mainly made up of oscillating circuit board 22 and crystal resonator 25, and each pin of crystal resonator 22 is all directly fixed on oscillating circuit board 25.
When traditional crystal oscillator is worked in vibration environment, the external force such as the vibration that external environment condition produces, centrifugal and impact can be directly transferred on crystal resonator by oscillating circuit board, thereby can cause frequency stability (the being phase noise) variation of crystal resonator.
Utility model content
For the defect existing in above-mentioned prior art, technical problem to be solved in the utility model is to provide the much higher spring shock-absorbing type of a kind of frequency stability antidetonation constant-temperature crystal oscillator.
In order to solve the problems of the technologies described above, many springs of one shock-absorbing type antidetonation constant-temperature crystal oscillator provided by the utility model, comprises crystal resonator, and is equipped with the oscillating circuit board of oscillating circuit, it is characterized in that: also comprise fixed head;
On described oscillating circuit board, offer multiple through holes, each pin of crystal resonator respectively through affixed with fixed head after each through hole on oscillating circuit board, and connects the oscillating circuit on oscillating circuit board by soft wire respectively with movable fit system;
On each pin of described crystal resonator, be all equipped with two damping springs, and on same pin in two damping springs, have the two ends of a damping spring to prop up respectively crystal resonator and oscillating circuit board, the two ends of another root damping spring prop up respectively oscillating circuit board and fixed head.
Further, on described crystal resonator, be fixed with balancing weight.
Many springs shock-absorbing type antidetonation constant-temperature crystal oscillator that the utility model provides, because crystal resonator and oscillating circuit board are movable cooperations, and be provided with damping spring between the two, significantly decay after acting on external force on oscillating circuit board and cushioning by damping spring, can effectively reduce the impact of external vibration on crystal resonator, its frequency stability will be far above traditional crystal oscillator.
Brief description of the drawings
Fig. 1 is the structural representation of many springs shock-absorbing type antidetonation constant-temperature crystal oscillator of the utility model embodiment;
Fig. 2 is the structural representation of traditional crystal oscillator.
Embodiment
Below in conjunction with brief description of the drawings, embodiment of the present utility model is described in further detail, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof, all should list protection range of the present utility model in.
As shown in Figure 1, many springs of one shock-absorbing type antidetonation constant-temperature crystal oscillator that the utility model embodiment provides, comprises crystal resonator 5, and is equipped with the oscillating circuit board 2 of oscillating circuit, it is characterized in that: also comprise fixed head 1;
On described oscillating circuit board 2, offer multiple through holes, each pin of crystal resonator 5 respectively through affixed with fixed head 1 after each through hole on oscillating circuit board 2, and connects the oscillating circuit on oscillating circuit board 2 by soft wire respectively with movable fit system;
On each pin of described crystal resonator 5, be all equipped with two damping springs 3, and on same pin in two damping springs 3, have the two ends of a damping spring 3 to prop up respectively crystal resonator 5 and oscillating circuit board 2, the two ends of another root damping spring 3 prop up respectively oscillating circuit board 2 and fixed head 1.
In the utility model embodiment, on described crystal resonator 5, be fixed with balancing weight 4, the weight of crystal resonator 5 one sides is increased to some extent, can promote damping, buffering effect.
The utility model embodiment is applicable to being arranged on the electronic equipment of needs reference frequency source and uses, when installation, oscillating circuit board is directly fixed on electronic equipment, and all unsettled settings of crystal resonator and fixed head, making to conduct by electronic equipment the external force of coming can only act directly on oscillating circuit board, while work in vibration environment, the external force acting on oscillating circuit board conducts to damping spring by oscillating circuit board, after damping spring buffering, conduct to crystal resonator again, External Force Acting while conducting to crystal resonator is significantly decayed by damping spring, thereby less on the impact of crystal resonator, the frequency stability of crystal resonator is also relatively high.
The traditional crystal oscillator that the utility model embodiment compares same frequency in frequency stability improves significantly, taking the crystal oscillator of 10MHz frequency as example, under the acceleration environment of 1g sine wave, the stationary value of frequency is at 0.5ppb/g, and the frequency stability value of traditional crystal oscillator is at 1ppb/g.
Claims (2)
1. the shock-absorbing type of spring more than an antidetonation constant-temperature crystal oscillator, comprises crystal resonator, and is equipped with the oscillating circuit board of oscillating circuit, it is characterized in that: also comprise fixed head;
On described oscillating circuit board, offer multiple through holes, each pin of crystal resonator respectively through affixed with fixed head after each through hole on oscillating circuit board, and connects the oscillating circuit on oscillating circuit board by soft wire respectively with movable fit system;
On each pin of described crystal resonator, be all equipped with two damping springs, and on same pin in two damping springs, have the two ends of a damping spring to prop up respectively crystal resonator and oscillating circuit board, the two ends of another root damping spring prop up respectively oscillating circuit board and fixed head.
2. many springs shock-absorbing type antidetonation constant-temperature crystal oscillator according to claim 1, is characterized in that: on described crystal resonator, be fixed with balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212287.XU CN203827318U (en) | 2014-04-29 | 2014-04-29 | Multi-spring damping type anti-shock constant temperature crystal oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212287.XU CN203827318U (en) | 2014-04-29 | 2014-04-29 | Multi-spring damping type anti-shock constant temperature crystal oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827318U true CN203827318U (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212287.XU Expired - Lifetime CN203827318U (en) | 2014-04-29 | 2014-04-29 | Multi-spring damping type anti-shock constant temperature crystal oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203827318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944558A (en) * | 2014-04-29 | 2014-07-23 | 上海鸿晔电子科技有限公司 | Multi-spring shock absorption type anti-seismic constant temperature crystal oscillator |
-
2014
- 2014-04-29 CN CN201420212287.XU patent/CN203827318U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944558A (en) * | 2014-04-29 | 2014-07-23 | 上海鸿晔电子科技有限公司 | Multi-spring shock absorption type anti-seismic constant temperature crystal oscillator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI JUSTIMING ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JUSTIMING ELECTRONICS TECHNOLOGY (SHANGHAI) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201108, No. 4, 4299 Jin Du Road, Shanghai, Minhang District, 201 Patentee after: JUSTIMING ELECTRONIC TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201108, No. 4, 4299 Jin Du Road, Shanghai, Minhang District, 201 Patentee before: JUSTIMING ELECTRONIC TECHNOLOGY (SHANGHAI) CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |