CN207339795U - A kind of tuning fork-type quartz crystal resonator - Google Patents
A kind of tuning fork-type quartz crystal resonator Download PDFInfo
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- CN207339795U CN207339795U CN201721516245.5U CN201721516245U CN207339795U CN 207339795 U CN207339795 U CN 207339795U CN 201721516245 U CN201721516245 U CN 201721516245U CN 207339795 U CN207339795 U CN 207339795U
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- crystal resonator
- quartz
- tuning fork
- type quartz
- quartz crystal
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Abstract
The utility model discloses a kind of tuning fork-type quartz crystal resonator, including quartz-crystal resonator shell, the quartz-crystal resonator enclosure is provided with U-shaped quartz wafer, and the connection of U-shaped quartz wafer end is leaded, the U-shaped quartz wafer end is provided with spring leaf, substrate is provided with below its spring leaf, and insulating layer is provided with substrate side wall.The interference fit that the tuning fork-type quartz crystal resonator is encapsulated using high vacuum cold pressing, a kind of quartz crystal resonator base that can minimize but also take into account frequency difference, annual aging and stable frequency is provided, the interference fit that quartz-crystal resonator shell is encapsulated using high vacuum cold pressing, tin ring is formed so as to obtain the quartz-crystal resonator of high-air-tightness between cold pressing encapsulation makes to electroplate on pedestal in high vacuum environment gun-metal and quartz-crystal resonator shell, so that resistance variations are minimum, frequency stabilization.
Description
Technical field
Quartz-crystal resonator technical field is the utility model is related to, is specially a kind of tuning fork-type quartz crystal resonator.
Background technology
Quartz crystal resonator base operation principle is to utilize quartz crystal silica, unijunction crystal structure α quartz
A kind of resonating device made of inverse piezoelectric effect.Quartz crystal resonator base has become the weight of digital code information society from now at present
Component is wanted, its staple market field is the communications field, industry is with, people's livelihood electronic device field；Quartz crystal unit has height
The characteristics of accurate and high stability, extensively using in the various kinds of equipment with needing frequency stabilization and frequency-selecting, instrument, electronic product, for ought
Indispensable key element in modern electronic product.Since the development trend of electronic product is multifunction；Internet、E-
The functions such as Mail, GPS, photograph, shooting, large scale color LCD screen are largely used, and welding circuit board is developed into by wave-soldering
Reflow Soldering, so surface mount and highly low miniaturized products become the developing direction of quartz crystal resonator base.
Two vibration chips of the existing resonator of in the market are each independent, be easy to cause when mechanical oscillation occur for chip
The shortcomings of unstable, poor impact resistance, service life are short, volume is bigger, power consumption is big is vibrated, but existing quartz crystal is humorous
Shake in device pedestal miniaturization process, many such as difference on the frequencies, annual aging and stable frequency are abandoned in order to which undue pursuit minimizes
The main points such as rate.
Utility model content
The purpose of this utility model is to provide a kind of tuning fork-type quartz crystal resonator, to solve in above-mentioned background technology
The general tuning fork-type quartz crystal resonator chip proposed, which occurs to be easy to cause during mechanical oscillation, vibrates unstable, impact resistance
Difference, the shortcomings of service life is short, volume is bigger, power consumption is big, but existing quartz crystal resonator base miniaturization process
In, in order to which undue pursuit miniaturization abandons the problem of many difference on the frequency, annual aging and stable frequencies etc. will be put.
To achieve the above object, the utility model provides following technical solution：A kind of tuning fork-type quartz crystal resonator, bag
Quartz-crystal resonator shell is included, the quartz-crystal resonator enclosure is provided with U type quartz wafers, and U types quartz
Wafer end connection is leaded, and the U types quartz wafer end is provided with spring leaf, and substrate is provided with below its spring leaf, and
Insulating layer is provided with substrate side wall.
Preferably, the interference fit that the quartz-crystal resonator shell is encapsulated using high vacuum cold pressing.
Preferably, the U-shaped quartz wafer surface applies silver layer as electrode, is welded on one end of lead using scolding tin
On electrode, the other end of lead draws hull outside from the quartz-crystal resonator enclosure of sealing.
Preferably, the spring leaf is respectively about the longitudinally asymmetric installation in U type quartz wafers center, and spring leaf outer end it
Between spacing be 3-4mm.
Preferably, the insulating layer is respectively about the longitudinally asymmetric installation in U type quartz wafers center, and between insulating layer center
Away from 3.75mm.
Compared with prior art, the beneficial effects of the utility model are：The tuning fork-type quartz crystal resonator uses Gao Zhen
A kind of interference fit of air-cooled press seal dress, there is provided quartz-crystal that can minimize but also take into account frequency difference, annual aging and stable frequency
Body resonator base, the interference fit that quartz-crystal resonator shell is encapsulated using high vacuum cold pressing are cold in high vacuum environment
Tin ring is formed so as to obtain high-air-tightness between gun-metal and quartz-crystal resonator shell that press seal dress makes to electroplate on pedestal
Quartz-crystal resonator so that resistance variations are minimum, frequency stabilization, and U-shaped quartz wafer surface coating silver layer is used as electrode, sharp
One end of lead is welded on the electrode with scolding tin, the other end of lead is drawn from the quartz-crystal resonator enclosure of sealing
Hull outside, simple welding lead make it that apparatus structure is simple, small, low in energy consumption, and spring leaf is respectively about U types quartz
The longitudinally asymmetric installation of center wafer, and the spacing between spring leaf outer end is 3-4mm, spring leaf can mitigate due to U type stones
English chip, which occurs to be easy to cause during mechanical oscillation, vibrates unstable, stable frequency, and insulating layer is respectively about in U type quartz wafers
The longitudinally asymmetric installation of the heart, and insulating layer center spacing 3.75mm, insulating layer can reduce power consumption, while insulating layer can be with
The frequency interferences between substrate are prevented, improve frequency stability.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model overlooking the structure diagram；
Fig. 3 is the utility model underlying structure schematic diagram.
In figure：1st, quartz-crystal resonator shell, 2, U type quartz wafers, 3, lead, 4, substrate, 5, spring leaf, 6, absolutely
Edge layer.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of tuning fork-type quartz crystal resonator, including
Quartz-crystal resonator shell 1, quartz-crystal resonator shell 1 are internally provided with U types quartz wafer 2, and U type quartz wafers
2 ends connection leaded 3, the interference fit that quartz-crystal resonator shell 1 is encapsulated using high vacuum cold pressing, in high vacuum environment
Tin ring is formed so as to obtain height between gun-metal and quartz-crystal resonator shell 1 that middle cold pressing encapsulation makes to electroplate on substrate 4
The quartz-crystal resonator of air-tightness so that resistance variations are minimum, frequency stabilization, and U-shaped quartz wafer surface 2 applies silver layer conduct
Electrode, is welded one end of lead 3 on the electrode using scolding tin, the other end of lead 3 is outside the quartz-crystal resonator of sealing
Hull outside is drawn in the inside of shell 1, and simple welding lead make it that apparatus structure is simple, small, low in energy consumption, U type quartz wafers
2 ends are provided with spring leaf 5, its lower section of spring leaf 5 is provided with substrate 4, and is provided with insulating layer 6, spring leaf on 4 side wall of substrate
5 respectively about the 2 longitudinally asymmetric installation in center of U types quartz wafer, and the spacing between 5 outer end of spring leaf is 3-4mm, spring leaf
5 can mitigate due to be easy to causeing vibration unstable, stable frequency when mechanical oscillation occur for U types quartz wafer 2, and insulating layer 6 divides
Not on the 2 longitudinally asymmetric installation in center of U types quartz wafer, and 6 center spacing 3.75mm of insulating layer, insulating layer 6 can be reduced
Power consumption, while insulating layer 6 can prevent the frequency interferences between substrate 4, improve frequency stability.
Operation principle：When using the tuning fork-type quartz crystal resonator, first by tuning fork-type quartz crystal resonator and half
Conductor device is used together with Resistor-Capacitor Unit, and frequency is produced by the mechanical oscillation of U types quartz wafer 2, by spring leaf 5 with
Lead 3 is guided out outside quartz-crystal resonator shell 1, and here it is the course of work of the tuning fork-type quartz crystal resonator.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic into
Row equivalent substitution, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of tuning fork-type quartz crystal resonator, including quartz-crystal resonator shell（1）, it is characterised in that：The quartz
Crystal resonator shell（1）It is internally provided with U type quartz wafers（2）, and U type quartz wafers（2）End connection is leaded
（3）, the U types quartz wafer（2）End is provided with spring leaf（5）, its spring leaf（5）Lower section is provided with substrate（4）, and base
Piece（4）Insulating layer is provided with side wall（6）.
A kind of 2. tuning fork-type quartz crystal resonator according to claim 1, it is characterised in that：The Quartz crystal resonant
Device shell（1）Using the interference fit of high vacuum cold pressing encapsulation.
A kind of 3. tuning fork-type quartz crystal resonator according to claim 1, it is characterised in that：The U-shaped quartz wafer
（2）Surface applies silver layer as electrode, using scolding tin by lead（3）One end welding on the electrode, lead（3）The other end from
The quartz-crystal resonator shell of sealing（1）Draw hull outside in inside.
A kind of 4. tuning fork-type quartz crystal resonator according to claim 1, it is characterised in that：The Quartz crystal resonant
Device shell（1）Length is below 8mm, and width is below 3mm.
A kind of 5. tuning fork-type quartz crystal resonator according to claim 1, it is characterised in that：The spring leaf（5）Point
Not on U type quartz wafers（2）The longitudinally asymmetric installation in center, and spring leaf（5）Spacing between outer end is 3-4mm.
A kind of 6. tuning fork-type quartz crystal resonator according to claim 1, it is characterised in that：The insulating layer（6）Point
Not on U type quartz wafers（2）The longitudinally asymmetric installation in center, and insulating layer（6）Center spacing is 3.75mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721516245.5U CN207339795U (en) | 2017-11-14 | 2017-11-14 | A kind of tuning fork-type quartz crystal resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721516245.5U CN207339795U (en) | 2017-11-14 | 2017-11-14 | A kind of tuning fork-type quartz crystal resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339795U true CN207339795U (en) | 2018-05-08 |
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ID=62427862
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721516245.5U Expired - Fee Related CN207339795U (en) | 2017-11-14 | 2017-11-14 | A kind of tuning fork-type quartz crystal resonator |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649919A (en) * | 2018-07-31 | 2018-10-12 | 苏州市利明电子有限公司 | A kind of efficiently fixed tuning fork crystal resonator |
| CN109164253A (en) * | 2018-10-26 | 2019-01-08 | 浙江师范大学 | A kind of tuning fork resonant mode blood platelet shrinks force measuring device and method |
| CN111575656A (en) * | 2020-04-27 | 2020-08-25 | 深圳市科瀚电子有限公司 | Tuning fork oscillator and coating method thereof |
| CN113218901A (en) * | 2021-05-07 | 2021-08-06 | 安徽大学 | Cavity enhanced spectrum gas detection device and method based on micro quartz crystal oscillator array detector |
-
2017
- 2017-11-14 CN CN201721516245.5U patent/CN207339795U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649919A (en) * | 2018-07-31 | 2018-10-12 | 苏州市利明电子有限公司 | A kind of efficiently fixed tuning fork crystal resonator |
| CN108649919B (en) * | 2018-07-31 | 2023-08-01 | 苏州市利明电子有限公司 | High-efficient fixed tuning fork crystal resonator |
| CN109164253A (en) * | 2018-10-26 | 2019-01-08 | 浙江师范大学 | A kind of tuning fork resonant mode blood platelet shrinks force measuring device and method |
| CN111575656A (en) * | 2020-04-27 | 2020-08-25 | 深圳市科瀚电子有限公司 | Tuning fork oscillator and coating method thereof |
| CN113218901A (en) * | 2021-05-07 | 2021-08-06 | 安徽大学 | Cavity enhanced spectrum gas detection device and method based on micro quartz crystal oscillator array detector |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20181114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |