CN112838783B - Piezoelectric vibration motor - Google Patents
Piezoelectric vibration motor Download PDFInfo
- Publication number
- CN112838783B CN112838783B CN202110019363.XA CN202110019363A CN112838783B CN 112838783 B CN112838783 B CN 112838783B CN 202110019363 A CN202110019363 A CN 202110019363A CN 112838783 B CN112838783 B CN 112838783B
- Authority
- CN
- China
- Prior art keywords
- base
- elastic piece
- elastic
- piece
- vibration motor
- 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.)
- Active
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 38
- 238000003466 welding Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
- H02N2/002—Driving devices, e.g. vibrators using only longitudinal or radial modes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The embodiment of the application provides a piezoelectric vibration motor, which comprises a base, a mass block, an elastic sheet and an electric control assembly. The mass block is movably arranged on the base, the elastic sheet is connected with a piezoelectric ceramic sheet, the elastic sheet comprises a first elastic sheet and a second elastic sheet which are arranged on two sides of the mass block, one end of the first elastic sheet and one end of the second elastic sheet are connected with the base, the other end of the first elastic sheet is connected with the first end of the mass block, and the other end of the second elastic sheet is connected with the second end of the mass block; the electric control assembly is electrically connected with the piezoelectric ceramic piece. The embodiment of the application provides a piezoelectric vibration motor all be connected with piezoceramics piece on first elastic piece and the second elastic piece, piezoceramics piece circular telegram warp the back can pass through first elastic piece and second elastic piece drive the horizontal vibration of quality piece has improved piezoelectric vibration motor's vibration intensity and vibration stability.
Description
Technical Field
The application belongs to vibrating device technical field, specifically, the application relates to a piezoelectric vibration motor.
Background
With the continuous development of communication technology, electronic devices are becoming more and more powerful. Information interaction between electronic devices and users with vibratory feedback is becoming increasingly common.
Taking a cell phone as an example, each cell phone is provided with a vibration motor. When the mobile phone is in a noisy environment, people can be timely and effectively reminded of incoming call information and short message information through the vibration function generated by the vibration motor. The mobile phone vibration motor mainly used in the current market is a rotor motor consisting of a motor and a counterweight eccentric wheel arranged on a rotor shaft of the motor, and the rotor motor has the advantages of slow starting response, weak brake sensitivity degree, narrow resonance bandwidth, incapability of realizing layering among a plurality of vibrations and incapability of meeting the complexity requirement of the vibrations.
Piezoelectric motors have gradually replaced rotor motors due to their flexible size design, short response times, and high energy efficiency. However, the traditional piezoelectric motor has poor structural stability in the vibration process, so that the vibration quantity is limited, and the application range of the traditional piezoelectric motor is limited.
Disclosure of Invention
It is an object of embodiments of the present application to provide a new solution for a piezoelectric vibration motor.
According to a first aspect of the present application, there is provided a piezoelectric vibration motor comprising:
a base;
the mass block is movably arranged on the base;
the elastic piece is connected with the piezoelectric ceramic piece, the elastic piece comprises a first elastic piece and a second elastic piece which are arranged on two sides of the mass block, one end of the first elastic piece and one end of the second elastic piece are connected with the base, the other end of the first elastic piece is connected with the first end of the mass block, and the other end of the second elastic piece is connected with the second end of the mass block;
and the electric control assembly is electrically connected with the piezoelectric ceramic piece.
Optionally, the elastic sheet has a thickness in the range of 0.1-0.3mm.
Optionally, the piezoelectric ceramic sheet is adhered to at least one side surface of the elastic sheet.
Optionally, the piezoelectric ceramic sheet is a multilayer piezoelectric ceramic sheet, and the thickness of the multilayer piezoelectric ceramic sheet ranges from 0.1 mm to 0.3mm.
Optionally, the base and the mass are laser welded to the elastic sheet.
Optionally, the projection of the mass on the base is zigzag.
Optionally, the electric control assembly includes first connecting terminal, second connecting terminal and connection first connecting terminal and second connecting terminal's zigzag FPC, first connecting terminal set up in first elastic sheet keep away from one side of quality piece, the second connecting terminal set up in second elastic sheet keep away from one side of quality piece, zigzag FPC set up in between quality piece and the base.
Optionally, the base is in a flat plate shape, the first elastic piece comprises a first vertical plate and a first transverse plate, the second elastic piece comprises a second vertical plate and a second transverse plate, one end of the first vertical plate is connected with the base through the first transverse plate, and one end of the second vertical plate is connected with the base through the second transverse plate;
the other end of the first vertical plate is connected with the first end, and the other end of the second vertical plate is connected with the second end.
Optionally, the first elastic piece further comprises a first sub-riser, the second elastic piece further comprises a second sub-riser, the other end of the first riser is connected with the first end through the first sub-riser, and the other end of the second riser is connected with the second end through the second sub-riser.
Optionally, the base is dull and stereotyped form, be provided with third jack and fourth jack on the base, first elastic piece with the second elastic piece is reverse L shape, the one end of first elastic piece with laser welding connects after the third jack is pegged graft, the one end of second elastic piece with laser welding connects after the fourth jack is pegged graft.
Optionally, the base is the U font, first elastic piece and second elastic piece are in the projection of base is L shape, the one end of first elastic piece with the one end of base is connected, the one end of second elastic piece with the other end of base is connected.
Optionally, the base further includes an upper cover, the projections of the first elastic piece and the second elastic piece on the base are all in a U shape, and one end of the first elastic piece and one end of the second elastic piece are respectively connected with two opposite sides of the upper cover.
One technical effect of the embodiment of the application is that:
the embodiment of the application provides a piezoelectric vibration motor, piezoelectric vibration motor's all be connected with piezoceramics piece on first elastic sheet and the second elastic sheet, the one end of first elastic sheet with the one end of second elastic sheet all with the base is connected, the other end of first elastic sheet with the first end of quality piece is connected, the other end of second elastic sheet with the second end of quality piece is connected, piezoceramics piece after the electrified deformation can pass through first elastic sheet and second elastic sheet drive quality piece transverse vibration has improved piezoelectric vibration motor's vibration intensity and vibration stability.
Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the present application, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is an exploded view of a first piezoelectric vibration motor provided in an embodiment of the present application;
fig. 2 is a perspective view of a first piezoelectric vibration motor according to an embodiment of the present application;
fig. 3 is a perspective view of a second piezoelectric vibration motor according to an embodiment of the present application;
fig. 4 is a perspective view of a third piezoelectric vibration motor provided in an embodiment of the present application;
fig. 5 is a perspective view of a fourth piezoelectric vibration motor provided in an embodiment of the present application;
fig. 6 is a perspective view of a fifth piezoelectric vibration motor according to an embodiment of the present application.
Wherein: 1-a base; 11-a bottom plate; 12-side walls; 2-mass block; 3-an elastic sheet; 31-a first elastic sheet; 311-a first riser; 312-a first cross plate; 313-first sub-riser; 32-a first elastic sheet; 321-a second riser; 322-a second cross plate; 323-second sub-risers; 4-piezoelectric ceramic plates; 5-an electric control assembly; 51-a first connection terminal; 52-a second connection terminal; 53-Z-shaped FPC; 6-upper cover.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Referring to fig. 1 to 6, an embodiment of the present application provides a piezoelectric vibration motor, including:
The mass block 2 is movably disposed on the base 1, specifically, the mass block 2 may be disposed on the base 1 and not connected with the base 1, or may be connected with the base 1 by an elastic material, which is not limited in this embodiment of the present application.
The piezoelectric ceramic piece 4 is connected to the elastic piece 3, the elastic piece 3 includes a first elastic piece 31 and a second elastic piece 32 that are disposed on two sides of the mass block 2, specifically, the first elastic piece 31 and the second elastic piece 32 may be disposed on two opposite sides of the mass block 2, one end of the first elastic piece 31 and one end of the second elastic piece 32 are both connected to the base 1, the other end of the first elastic piece 31 is connected to a first end of the mass block 2, the other end of the second elastic piece 32 is connected to a second end of the mass block 2, and the second end is an end of the mass block 2 away from the first end; the electric control assembly 5 is electrically connected with the piezoelectric ceramic plate 4, the electric control assembly 5 can comprise a circuit board, a battery and other components, the piezoelectric ceramic plate 4 can deform under the condition of electrifying, and the piezoelectric ceramic plate 4 can drive the mass block 2 to vibrate transversely through the elastic plate 3 after deforming due to the fact that the first elastic plate 31 and the second elastic plate 32 are arranged on two sides of the mass block 2, so that the vibration effect of the piezoelectric vibration motor is achieved.
The embodiment of the application provides a piezoelectric vibration motor's quality piece 2 both sides are provided with first elastic piece 31 and second elastic piece 32, all be connected with piezoceramics piece 4 on first elastic piece 31 and the second elastic piece 32, the one end of first elastic piece 31 with the one end of second elastic piece 32 all with base 1 is connected, the other end of first elastic piece 31 with the first end of quality piece 2 is connected, the other end of second elastic piece 32 with the second end of quality piece 2 is connected, piezoceramics piece 4 warp the back can pass through first elastic piece 31 and second elastic piece 32 drive quality piece 2 both ends lateral vibration has improved piezoelectric vibration motor's vibration intensity and vibration stability.
Alternatively, the thickness of the elastic sheet 3 is in the range of 0.1-0.3mm.
Specifically, the elastic sheet 3 may be made of a metal sheet, such as a stainless steel sheet. Due to the high structural strength of the metal sheet, the thickness of the elastic sheet 3 can be controlled within a small range of 0.1-0.3mm, and in order to ensure the flexibility of the vibration of the elastic sheet 3, the thickness of the elastic sheet 3 is also required to be small. The metal sheet can improve the vibration flexibility of the elastic sheet 3 on the basis of ensuring the structural strength of the elastic sheet 3.
Optionally, the piezoelectric ceramic sheet 4 is adhered to at least one side surface of the elastic sheet 3.
Specifically, when the piezoelectric ceramic piece 4 is connected to the elastic piece 3, the piezoelectric ceramic piece 4 may be bonded only on the inner side of the elastic piece 3, so as to achieve the purpose of preventing the piezoelectric ceramic piece 4 from falling accidentally; in addition, the ceramic sheet 4 may be adhered only to the outer side of the elastic sheet 3, so as to provide a larger deformation space for the ceramic sheet 4 and improve the vibration amplitude of the elastic sheet 3. The piezoelectric ceramic plates 4 may be adhered to both the inner and outer sides of the elastic plate 3 to form a push-pull piezoelectric drive, so as to increase the vibration amplitude of the elastic plate 3 and increase the vibration quantity of the piezoelectric vibration motor.
Optionally, the piezoelectric ceramic sheet 4 is a multilayer piezoelectric ceramic sheet, and the thickness of the multilayer piezoelectric ceramic sheet ranges from 0.1 mm to 0.3mm.
Specifically, the piezoelectric ceramic sheet 4 is a multilayer piezoelectric ceramic sheet; in addition, the piezoelectric ceramic plate 4 can adopt a piezoelectric ceramic plate with a double-electrode structure, the piezoelectric ceramic plate with the double-electrode structure can improve the vibration quantity of the piezoelectric vibration motor, and the size and the thickness of the piezoelectric ceramic plate 4 are reduced while the vibration performance of the piezoelectric vibration motor is met.
Optionally, the base 1 and the mass 2 are laser welded to the elastic sheet 3.
Specifically, one end of the elastic piece 3 is connected with the base 1, the other end of the elastic piece 3 is connected with the mass block 2, a specific connection mode of two ends of the elastic piece 3 can be laser welding, for example, the base 1 is laser welded with the elastic piece 3, the mass block 2 is laser welded with the elastic piece 3, and a connection mode of laser welding can increase the joint strength of the piezoelectric vibration motor and ensure the structural stability of the piezoelectric vibration motor.
Alternatively, referring to fig. 1 to 6, the projection of the mass 2 on the base 1 is zigzag.
Specifically, under the condition that one end of the first elastic piece 31 and one end of the second elastic piece 32 are connected with the base 1, the other end of the first elastic piece 31 is connected with the first end of the mass block 2, the other end of the second elastic piece 32 is connected with the second end of the mass block 2, the first end and the second end can be both zigzag end surfaces of two ends of the mass block 2 or be zigzag side surfaces of two end parts of the mass block 2, and the first end and the second end are mutually far away from each other, so that the arm of force of vibration of the mass block 2 can be improved, effective transverse vibration of the mass block 2 can be realized under the condition that two ends of the mass block 2 are connected, and the vibration quantity of the mass block 2 is improved.
Alternatively, referring to fig. 1, the electronic control assembly 5 includes a first connection terminal 51, a second connection terminal 52, and a zigzag FPC 53 connecting the first connection terminal 51 and the second connection terminal 52, the first connection terminal 51 is disposed at a side of the first elastic sheet 31 away from the mass 2 and electrically connected with the piezoelectric ceramic sheet 4, the second connection terminal 52 is disposed at a side of the second elastic sheet 32 away from the mass 2 and electrically connected with the piezoelectric ceramic sheet 4, and the zigzag FPC 53 is disposed between the mass 2 and the base 1.
Specifically, the first connection terminal 51 and the second connection terminal 52 may be solder paste, and the piezoelectric ceramic piece 4 and the zigzag FPC 53 are bonded by the solder paste, so that not only flexible connection between the piezoelectric ceramic piece 4 and the electronic control assembly 5 can be realized, but also effective control of the electronic control assembly 5 on the electrical deformation of the piezoelectric ceramic piece 4 can be ensured.
Alternatively, referring to fig. 1, 2 and 4, the base 1 is in a flat plate shape, the first elastic sheet 31 includes a first riser 311 and a first transverse plate 312, the second elastic sheet 32 includes a second riser 321 and a second transverse plate 322, one end of the first riser 311 is connected to the base 1 through the first transverse plate 312, and one end of the second riser 321 is connected to the base 1 through the second transverse plate 322; the other end of the first vertical plate 311 is connected to the first end of the mass 2, and the other end of the second vertical plate 321 is connected to the second end of the mass 2.
Specifically, in order to improve the strength and stability of the connection between the elastic sheet 3 and the base 1 on the basis of ensuring the flat structure of the base 1, the first transverse plate 312 and the second transverse plate 322 may be arranged so that the first transverse plate 312 and the second transverse plate are parallel to the base 1, and when the first transverse plate 312 and the second transverse plate 322 are attached to the base 1, the connection area between the first elastic sheet 31 and the second elastic sheet 32 and the base 1 may be increased, so that the connection strength between the first elastic sheet 31 and the second elastic sheet 32 and the base 1 may be improved.
Further, referring to fig. 4, the first elastic sheet 31 further includes a first sub-riser 313, the second elastic sheet 32 further includes a second sub-riser 323, the first sub-riser 313 may be parallel to one end face of the mass block 2, the other end of the first riser 311 may be connected to the first end of the mass block 2 through the first sub-riser 313, the second sub-riser 323 may be parallel to the other end face of the mass block 2, and the other end of the second riser 321 may be connected to the second end of the mass block 2 through the second sub-riser 323, so as to improve the connection strength between the first elastic sheet 31 and the second elastic sheet 32 and the base 1.
Optionally, referring to fig. 3, the base 1 is in a flat plate shape, a third jack and a fourth jack are provided on the base 1, the first elastic piece 31 and the second elastic piece 32 are all in an inverted L shape, one end of the first elastic piece 31 is connected with the third jack by laser welding after being inserted, one end of the second elastic piece 32 is connected with the fourth jack by laser welding after being inserted, the other end of the first elastic piece 31 is connected with the first end of the mass block 2, the other end of the second elastic piece 32 is connected with the second end of the mass block 2, and the connection strength and connection stability of the first elastic piece 31 and the second elastic piece 32 and the base 1 can be ensured by the connection mode of laser welding after being inserted.
Optionally, referring to fig. 5, the base 1 is U-shaped, the projections of the first elastic piece 31 and the second elastic piece 32 on the base 1 are all L-shaped, one end of the first elastic piece 31 is connected with one end of the base 1, one end of the second elastic piece 32 is connected with the other end of the base 1, the other end of the first elastic piece 31 is connected with the first end of the mass 2, and the other end of the second elastic piece 32 is connected with the second end of the mass 2.
Specifically, the base 1 is the U font can be the base 1 relative both ends all are provided with the lateral wall, the one end and the lateral wall parallel of first elastic piece 31, the one end of first elastic piece 31 with can improve when the one lateral wall laminating of base 1 is connected first elastic piece 31 with the joint strength of base 1, the one end and the other lateral wall parallel of second elastic piece 32, the one end of second elastic piece 32 with can improve when the other lateral wall laminating of base 1 is connected second elastic piece 32 with the joint strength of base 1.
Optionally, referring to fig. 6, the base 1 of the piezoelectric vibration motor further includes a base body and an upper cover 6, the upper cover 6 is fastened to the base body, the projections of the first elastic piece 31 and the second elastic piece 32 on the base 1 are all in a U shape, one end of the first elastic piece 31 and one end of the second elastic piece 32 are respectively connected with two opposite sides of the upper cover 6, the other end of the first elastic piece 31 is connected with the first end of the mass block 2, and the other end of the second elastic piece 32 is connected with the second end of the mass block 2.
Specifically, the materials of the upper cover 6 and the base body may be metal materials, such as 301 stainless steel materials. Under the condition that the projection of the first elastic piece 31 and the second elastic piece 32 on the base 1 is U-shaped, one end of the first elastic piece 31 can be parallel to one side of the upper cover 6 and mutually attached to the upper cover, one end of the second elastic piece 32 can be parallel to the other side of the upper cover 6 and mutually attached to the upper cover, the other end of the first elastic piece 31 can be parallel to the first end face of the mass block 2, the other end of the second elastic piece 32 can be parallel to the second end face of the mass block 2, and the connection strength between the first elastic piece 31 and the second elastic piece 32 and the mass block 2 is improved.
Although specific embodiments of the present application have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (10)
1. A piezoelectric vibration motor, comprising:
a base (1);
the mass block (2) is movably arranged on the base (1);
the elastic piece (3), be connected with piezoceramics piece (4) on the elastic piece (3), the elastic piece (3) including set up in first elastic piece (31) and the second elastic piece (32) of quality piece (2) both sides, the one end of first elastic piece (31) and the one end of second elastic piece (32) all with base (1) is connected;
the electric control assembly (5), the said electric control assembly (5) is connected with said piezoelectric ceramic piece (4) electricity;
the piezoelectric ceramic piece (4) is adhered to at least one side surface of the elastic piece (3), the projection of the mass block (2) on the base (1) is Z-shaped, the other end of the first elastic piece (31) is connected with the first end of the mass block (2), the other end of the second elastic piece (32) is connected with the second end of the mass block (2), and the first end and the second end are mutually far away.
2. A piezoelectric vibration motor according to claim 1, characterized in that the thickness of the elastic sheet (3) is in the range of 0.1-0.3mm.
3. The piezoelectric vibration motor according to claim 1, wherein the piezoelectric ceramic sheet (4) is a multilayer piezoelectric ceramic sheet having a thickness in the range of 0.1 to 0.3mm.
4. The piezoelectric vibration motor according to claim 1, characterized in that the base (1) and the mass (2) are laser welded with the elastic sheet (3).
5. The piezoelectric vibration motor according to claim 1, wherein the electronic control assembly (5) includes a first connection terminal (51), a second connection terminal (52) and a zigzag FPC (53) connecting the first connection terminal (51) and the second connection terminal (52), the first connection terminal (51) is disposed at a side of the first elastic piece (31) away from the mass (2), the second connection terminal (52) is disposed at a side of the second elastic piece (32) away from the mass (2), and the zigzag FPC (53) is disposed between the mass (2) and the base (1).
6. The piezoelectric vibration motor according to claim 1, wherein the base (1) is flat-plate-shaped, the first elastic piece (31) includes a first riser (311) and a first diaphragm (312), the second elastic piece (32) includes a second riser (321) and a second diaphragm (322), one end of the first riser (311) is connected to the base (1) through the first diaphragm (312), and one end of the second riser (321) is connected to the base (1) through the second diaphragm (322);
the other end of the first vertical plate (311) is connected with the first end, and the other end of the second vertical plate (321) is connected with the second end.
7. The piezoelectric vibration motor according to claim 6, wherein the first elastic sheet (31) further includes a first sub-riser (313), the second elastic sheet (32) further includes a second sub-riser (323), the other end of the first riser (311) is connected to the first end through the first sub-riser (313), and the other end of the second riser (321) is connected to the second end through the second sub-riser (323).
8. The piezoelectric vibration motor according to claim 1, wherein the base (1) is in a flat plate shape, a third jack and a fourth jack are provided on the base (1), the first elastic piece (31) and the second elastic piece (32) are in inverted L shapes, one end of the first elastic piece (31) is connected with the third jack in an inserted mode through laser welding, and one end of the second elastic piece (32) is connected with the fourth jack in an inserted mode through laser welding.
9. The piezoelectric vibration motor according to claim 1, wherein the base (1) is U-shaped, the projections of the first elastic sheet (31) and the second elastic sheet (32) on the base (1) are L-shaped, one end of the first elastic sheet (31) is connected with one end of the base (1), and one end of the second elastic sheet (32) is connected with the other end of the base (1).
10. The piezoelectric vibration motor according to claim 1, wherein the base (1) further comprises an upper cover (6), the projections of the first elastic sheet (31) and the second elastic sheet (32) on the base (1) are each in a U shape, and one end of the first elastic sheet (31) and one end of the second elastic sheet (32) are respectively connected with opposite sides of the upper cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019363.XA CN112838783B (en) | 2021-01-07 | 2021-01-07 | Piezoelectric vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019363.XA CN112838783B (en) | 2021-01-07 | 2021-01-07 | Piezoelectric vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112838783A CN112838783A (en) | 2021-05-25 |
| CN112838783B true CN112838783B (en) | 2023-04-25 |
Family
ID=75928167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110019363.XA Active CN112838783B (en) | 2021-01-07 | 2021-01-07 | Piezoelectric vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112838783B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048757A (en) * | 2015-08-18 | 2015-11-11 | 歌尔声学股份有限公司 | Vibration motor electronic equipment |
| CN205792137U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Linear vibration motor |
| CN206313635U (en) * | 2016-12-12 | 2017-07-07 | 歌尔科技有限公司 | Linear vibration motor |
| TWM603639U (en) * | 2020-06-24 | 2020-11-01 | 大陸商昆山聯滔電子有限公司 | Linear vibration motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202759422U (en) * | 2012-06-27 | 2013-02-27 | 瑞声光电科技(常州)有限公司 | Piezoelectric vibrator |
| KR101241030B1 (en) * | 2012-07-11 | 2013-03-11 | 주식회사 로브 | Vibration-amplifying structured piezo vibration device with a and electronic device employing the same as a vibration means |
| CN203278764U (en) * | 2013-05-13 | 2013-11-06 | 瑞声精密制造科技(常州)有限公司 | Piezoelectric vibrator |
| CN203466751U (en) * | 2013-07-09 | 2014-03-05 | 瑞声科技（南京）有限公司 | Piezoelectric vibrator |
| CN106300867B (en) * | 2016-08-26 | 2019-06-28 | 昆山联滔电子有限公司 | Linear vibration motor |
| CN206402080U (en) * | 2017-01-11 | 2017-08-11 | 歌尔科技有限公司 | Linear vibration motor |
| CN206727907U (en) * | 2017-05-11 | 2017-12-08 | 吉林大学 | A kind of mechanical oscillation amplifying type piezoelectric straight line mobile phone vibrating motor |
| CN107070158B (en) * | 2017-05-18 | 2023-12-01 | 歌尔股份有限公司 | Linear vibration motor |
-
2021
- 2021-01-07 CN CN202110019363.XA patent/CN112838783B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048757A (en) * | 2015-08-18 | 2015-11-11 | 歌尔声学股份有限公司 | Vibration motor electronic equipment |
| CN205792137U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Linear vibration motor |
| CN206313635U (en) * | 2016-12-12 | 2017-07-07 | 歌尔科技有限公司 | Linear vibration motor |
| TWM603639U (en) * | 2020-06-24 | 2020-11-01 | 大陸商昆山聯滔電子有限公司 | Linear vibration motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112838783A (en) | 2021-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5795117B2 (en) | Electronic equipment, panel unit, electronic equipment unit | |
| CN102959991B (en) | Oscillator | |
| JPWO2008146678A1 (en) | Piezoelectric actuator and electronic device | |
| WO2013145739A1 (en) | Electronic apparatus and panel unit | |
| JP2014198329A (en) | Piezoelectric vibration module | |
| JP2011228966A (en) | Electroacoustic transducer and electronic device thereof | |
| US20070189560A1 (en) | Sound generator module, sound generating structure, and electronic device utilizing the same | |
| JP2006287314A (en) | Piezoelectric diaphragm and electronic apparatus using the same | |
| CN108462925A (en) | Microphone device | |
| CN112838783B (en) | Piezoelectric vibration motor | |
| CN210137273U (en) | Vibrating motor and mobile phone | |
| CN112838784B (en) | Piezoelectric vibration motor | |
| JP2002159917A (en) | Vibration generator | |
| CN213484731U (en) | Flat round micro vibrator | |
| CN208862913U (en) | A kind of electronic equipment | |
| JP2000078692A (en) | Piezoelectric vibrating body | |
| CN210202072U (en) | Electroacoustic conversion device and electronic equipment using same | |
| EP2693771A1 (en) | Oscillator and electronic device | |
| CN108650600B (en) | Terminal | |
| JP5440422B2 (en) | Oscillator | |
| CN104053511A (en) | Piezoelectric vibration device | |
| CN220111516U (en) | Multilayer ceramic vibrator | |
| JP2011142493A (en) | Energy regeneration circuit | |
| CN113596685B (en) | Speaker and electronic equipment | |
| CN218006097U (en) | Bilateral symmetry drive miniature vibrator |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210707 Address after: 266101 f / F, phase II, Qingdao International Innovation Park, 1 Keyuan Weiyi Road, Laoshan District, Qingdao City, Shandong Province Applicant after: Geer Microelectronics Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, Weifang hi tech Development Zone, Shandong, China Applicant before: GOERTEK Inc. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |