CN208079029U - A kind of energy trap type piezoelectric resonance device and atomizer - Google Patents
A kind of energy trap type piezoelectric resonance device and atomizer Download PDFInfo
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- CN208079029U CN208079029U CN201821035401.0U CN201821035401U CN208079029U CN 208079029 U CN208079029 U CN 208079029U CN 201821035401 U CN201821035401 U CN 201821035401U CN 208079029 U CN208079029 U CN 208079029U
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Abstract
The utility model discloses a kind of energy trap type piezoelectric resonance device and atomizers, wherein energy trap type piezoelectric resonance device includes piezoelectric substrate, the piezoelectric substrate includes curved face part, the free end of the curved face part has the annular flange portion extended laterally outwardly, the convex surface central area of curved face part is covered with driving electrodes, the concave surface central area of curved face part is covered with surface electrode, and piezoelectric substrate is equipped with the second solder joint with the first solder joint of driving electrodes side edge and surface electrode side edge；There is the driving electrodes the first exit for extending to flange part, first solder joint to connect with the first exit outer rim.The utility model solder joint is not easily to fall off, and functional reliability is high, and welding is easy to operate, manufacture difficulty and at low cost, performance stabilization.
Description
Technical field
More particularly to a kind of energy trap type piezoelectric resonance device of the utility model and atomizer.
Background technology
In recent years, energy trap type piezoelectric resonance device technology has obtained rapid development, gradually applies in some newer fields
In, such as ultrasonic cut, ultrasonic surgical blade, ultrasound electric machine, ultrasonic electronic cigarette.
Traditional energy trap type piezoelectric resonance device is tabular, including tabular piezoelectric substrate, is covered on piezoelectric substrate side
The driving electrodes of face central area, the surface electrode for being covered on piezoelectric substrate another side central area drive for convenience of with periphery
Dynamic circuit connection, be equipped on piezoelectric substrate with the first solder joint of driving electrodes side edge, with surface electrode side edge
Second solder joint.Traditional this tabular energy trap type piezoelectric resonance device is with the big problem of atomizing effect difference and startup power.
To solve the above problems, Chinese patent CN203750764U discloses a kind of energy collecting type piezoelectric ceramic atomizer patch, packet
Include cross section be arc-shaped main part and be arranged inside main part and cross section at arc-shaped cavity, the cavity be open
It puts formula and is equipped with circular open, the main part is equipped with the sticking part of annular at circular open.The sticking part is by main body
The outside of the free end in portion extends to form around.Although this energy collecting type piezoelectric ceramic atomizer patch solves traditional piezoelectricity humorous
Device atomizing effect difference of shaking and the big problem of startup power, still, due to not disclosing driving electrodes, surface electricity in the patent document
Pole, the first solder joint and the second solder joint set-up mode, thus according to traditional set-up mode, technical staff can paste driving electrodes
It is overlying on piezoelectric ceramic atomizer patch convex surface central area, surface electrode is covered on to piezoelectric ceramic atomizer patch concave surface central area, together
When set the first solder joint at driving electrodes edge, set the second solder joint at surface electrode edge.
However, since the first solder joint is arranged at convex surface center, thus be easy the first solder joint of touching in an assembling process and lead
Its disengaging is caused, the functional reliability of energy collecting type piezoelectric ceramic atomizer patch is influenced.Simultaneously as solder joint is arranged in convex surface or concave surface
The heart also brings certain difficulty to welding job, increases manufacture difficulty and manufacturing cost, is also possible to pollution in the welding process and drives
Moving electrode or surface electrode influence the performance of energy collecting type piezoelectric ceramic atomizer patch.
Invention content
In existing energy collecting type piezoelectric ceramic atomizer patch, according to traditional electrode and solder joint set-up mode, it is easy that there are solder joints
It falls off, the disadvantage that functional reliability is low, welding difficulty, manufacture difficulty are high, manufacturing cost is low, performance is unstable.The utility model
Purpose be, in view of the above shortcomings of the prior art, provide a kind of energy trap type piezoelectric resonance device and atomizer improved, weld
Point is not easily to fall off, and functional reliability is high, and welding is easy to operate, manufacture difficulty and at low cost, performance stabilization.
In order to solve the above technical problems, technical solution used by the utility model is：
A kind of energy trap type piezoelectric resonance device, including piezoelectric substrate, the piezoelectric substrate include curved face part, the curved face part
There is the annular flange portion that side direction extends outwardly, the convex surface central area of curved face part to be covered with driving electrodes for free end, bent
The concave surface central area of face is covered with surface electrode, piezoelectric substrate be equipped with the first solder joint of driving electrodes side edge,
With the second solder joint of surface electrode side edge；It is structurally characterized in that the driving electrodes have and extends to the first of flange part and draw
Outlet, first solder joint connect with the first exit outer rim.
By above structure, due to being provided with the first exit, thus the first solder joint is located at flange part, to avoid
One solder joint is arranged at the convex surface center of curved face part or the edge of driving electrodes, and avoiding touching the first solder joint in assembling process causes
It is detached from, thus functional reliability is high.Meanwhile first solder joint be located on flange part, facilitate and welded, reduce manufacture difficulty
And cost.In addition, high temperature caused by the welding process will not destroy the inner wall structure of piezoelectric substrate, energy trap type ensure that
The performance of piezo-electric resonator.
First solder joint is located at the one side to connect with curved face part convex surface on flange part as a preferred method,.
As another preferred embodiment, first solder joint is located at the one side to connect with curved face part concave surface on flange part.
First solder joint can be located at the either side of flange part.When the first solder joint is located on flange part and curved face part convex surface phase
When the one side connect, since the first solder joint bottom space is big, thus more convenient, functional reliability higher is assembled and welded.
Further, the surface electrode, which extends, is covered on the entire concave surface and flange part of curved face part and curved face part concave surface
The side to connect.
Further, the surface electrode, which has, turns side and extends to connect the second of side on flange part with curved face part convex surface
Exit, second solder joint connect with the second exit outer rim.
Due to being provided with the second exit, thus the second solder joint is located at flange part, to avoid that the setting of the second solder joint exists
The concave surface center of curved face part or the edge of concave surface go out, and facilitate and are welded, reduce manufacture difficulty and cost.In addition, welding
High temperature is generated in termination process will not destroy the inner wall structure of piezoelectric substrate, ensure that the performance of energy trap type piezoelectric resonance device.
The piezoelectric substrate is made by piezoelectric ceramics as a preferred method,.
The shape of the curved face part is spherical surface as a preferred method,.
Based on the same inventive concept, the utility model additionally provides a kind of atomizer, including bunker and oil guide structure, also
Including the energy trap type piezoelectric resonance device, the bunker is connected by oil guide structure with the concave surface of curved face part.
Compared with prior art, the utility model solder joint is not easily to fall off, and functional reliability is high, and welding is easy to operate, manufacture
Difficulty and at low cost, performance stabilization.
Description of the drawings
Fig. 1 is one embodiment vertical view of energy trap type piezoelectric resonance device.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the A-A sectional views of Fig. 2.
Wherein, 1 is piezoelectric substrate, and 101 be curved face part, and 102 be flange part, and 2 be driving electrodes, and 201 be the first exit,
3 be surface electrode, and 301 be the second exit, and 4 be the first solder joint, and 5 be the second solder joint.
Specific implementation mode
As shown in Figure 1 to Figure 3, energy trap type piezoelectric resonance device includes piezoelectric substrate 1, and the piezoelectric substrate 1 is by piezoelectric ceramics
It is made.
The piezoelectric substrate 1 includes curved face part 101, and the shape of the curved face part 101 is spherical surface.The curved face part 101
There is the annular flange portion 102 that side direction extends outwardly, the convex surface central area of curved face part 101 to be covered with driving electricity for free end
Pole 2, the area coverage of driving electrodes 2 are 2/3-the 3/5 of convex surface area, and the concave surface central area of curved face part 101 is covered with surface
Electrode 3, surface electrode 3 at least cover the entire area of concave surface, or even covering connects to flange part 102 with 101 concave surface of curved face part
The area of side, piezoelectric substrate 1 are equipped with and the first solder joint 4 of 2 side edge of driving electrodes and 3 side edge of surface electrode
The second solder joint 5；The driving electrodes 2, which have, extends to the first exit 201 of flange part 102, first solder joint 4 and the
One exit, 201 outer rim connects, and the first exit 201 is equivalent to a conductor wire, and the power supply being connect with the first solder joint 4 is connected
To driving electrodes 2.
First solder joint 4 is located at the one side to connect with 101 convex surface of curved face part on flange part 102（First solder joint 4
The one side to connect with 101 concave surface of curved face part on flange part 102 can also be located at, be not shown in the accompanying drawings, but have no effect on this
Understanding and realization of the technical staff in field to the utility model）, 4 bottom space of the first solder joint is big, thus assembles and weld more
It is convenient, functional reliability higher.
The extension of the surface electrode 3 is covered on recessed with curved face part 101 on the entire concave surface and flange part 102 of curved face part 101
The side that face connects, while the surface electrode 3 has and turns side and extend to the side that connects with 101 convex surface of curved face part on flange part 102
Second exit 301 in face, second solder joint 5 connect with 301 outer rim of the second exit, and the second exit 301 is equivalent to one
Conductor wire, surface electrode 3 is connected to by the power supply being connect with the second solder joint 5.
In the utility model energy trap type piezoelectric resonance device, due to being provided with the first exit 201, thus the first solder joint 4
In flange part 102, to avoid that the first solder joint 4 is arranged at the convex surface center of curved face part 101, avoid touching in assembling process
One solder joint 4 leads to its disengaging, thus functional reliability is high.Meanwhile first solder joint 4 be located on flange part 102, facilitate and welded
It connects, reduces manufacture difficulty and cost.In addition, the inner wall structure of piezoelectric substrate will not be destroyed by generating high temperature in the welding process
It makes, ensure that the performance of energy trap type piezoelectric resonance device.
Due to being provided with the second exit 301, thus the second solder joint 5 is located on flange part 102 and 101 convex surface phase of curved face part
The side connect, to avoid that the second solder joint 5 is arranged at the concave surface center of curved face part 101,5 bottom space of the second solder joint is big, side
Just it is welded, reduces manufacture difficulty and cost.In addition, piezoelectric substrate will not be destroyed by generating high temperature in the welding process
Inner wall structure ensure that the performance of energy trap type piezoelectric resonance device.
The utility model additionally provides a kind of atomizer, including bunker and oil guide structure, further includes described in Fig. 1 to Fig. 3
Energy trap type piezoelectric resonance device, the bunker is connected by oil guide structure with the concave surface of curved face part 101.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific implementation mode stated, the above mentioned embodiment is only schematical, rather than limitation, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the scope of protection of the utility model.
Claims (8)
1. a kind of energy trap type piezoelectric resonance device, including piezoelectric substrate（1）, the piezoelectric substrate（1）Including curved face part（101）, institute
State curved face part（101）Free end have outwardly side direction extend annular flange portion（102）, curved face part（101）Convex surface
Central area is covered with driving electrodes（2）, curved face part（101）Concave surface central area be covered with surface electrode（3）, piezoelectric substrate
（1）It is equipped with and driving electrodes（2）First solder joint of side edge（4）With surface electrode（3）Second solder joint of side edge
（5）；It is characterized in that, the driving electrodes（2）With extending to flange part（102）The first exit（201）, described first
Solder joint（4）With the first exit（201）Outer rim connects.
2. energy trap type piezoelectric resonance device as described in claim 1, which is characterized in that first solder joint（4）Positioned at flange part
（102）Upper and curved face part（101）The one side that convex surface connects.
3. energy trap type piezoelectric resonance device as described in claim 1, which is characterized in that first solder joint（4）Positioned at flange part
（102）Upper and curved face part（101）The one side that concave surface connects.
4. energy trap type piezoelectric resonance device as described in claim 1, which is characterized in that the surface electrode（3）Extension is covered on
Curved face part（101）Entire concave surface and flange part（102）Upper and curved face part（101）The side that concave surface connects.
5. such as Claims 1-4 any one of them energy trap type piezoelectric resonance device, which is characterized in that the surface electrode（3）Tool
Have and turns side and extend to flange part（102）Upper and curved face part（101）Convex surface connects the second exit of side（301）, described second
Solder joint（5）With the second exit（301）Outer rim connects.
6. such as Claims 1-4 any one of them energy trap type piezoelectric resonance device, which is characterized in that the piezoelectric substrate（1）By
Piezoelectric ceramics is made.
7. such as Claims 1-4 any one of them energy trap type piezoelectric resonance device, which is characterized in that the curved face part（101）'s
Shape is spherical surface.
8. a kind of atomizer, including bunker and oil guide structure, which is characterized in that further include as described in any one of claim 1 to 7
Energy trap type piezoelectric resonance device, the bunker passes through oil guide structure and curved face part（101）Concave surface be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035401.0U CN208079029U (en) | 2018-07-02 | 2018-07-02 | A kind of energy trap type piezoelectric resonance device and atomizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035401.0U CN208079029U (en) | 2018-07-02 | 2018-07-02 | A kind of energy trap type piezoelectric resonance device and atomizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155192A1 (en) * | 2019-01-28 | 2020-08-06 | 中国电子科技集团公司第十三研究所 | Resonator and semiconductor device |
-
2018
- 2018-07-02 CN CN201821035401.0U patent/CN208079029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155192A1 (en) * | 2019-01-28 | 2020-08-06 | 中国电子科技集团公司第十三研究所 | Resonator and semiconductor device |
| US11664783B2 (en) | 2019-01-28 | 2023-05-30 | The 13Th Research Institute Of China Electronics | Resonator and semiconductor device |
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