CN102931868A - Energy conversion module - Google Patents
Energy conversion module Download PDFInfo
- Publication number
- CN102931868A CN102931868A CN2011102300187A CN201110230018A CN102931868A CN 102931868 A CN102931868 A CN 102931868A CN 2011102300187 A CN2011102300187 A CN 2011102300187A CN 201110230018 A CN201110230018 A CN 201110230018A CN 102931868 A CN102931868 A CN 102931868A
- Authority
- CN
- China
- Prior art keywords
- transducer
- energy conversion
- conversion module
- module according
- intellectual material
- 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.)
- Pending
Links
Images
Abstract
The invention relates to an energy conversion module, which comprises a first transducer and a second transducer, wherein the first transducer is arranged on a first flat plate directly or indirectly through a first point, and the second transducer is arranged on a second point of the first transducer. According to the embodiment, the energy conversion module further comprises at least one mass block arranged on the second transducer.
Description
Technical field
The present invention is relevant a kind of transducer (transducer), particularly about a kind of transducer that uses to produce the energy conversion module of sound wave or tactile vibrations.
Background technology
Transducer is for being converted to a kind of energy kenel the energy conversion device of another kind of energy kenel, modal is transducer such as motor or the generator of electromechanical, motor is that the electric energy of input is exported mechanical energy by electromagnetic induction, general common motor is that the mode that rotatablely moves is exported mechanical energy, if any brush d.c. motor, servo motor, stepper motor etc.; Other is more rare such as linear motor, and it is that input with electric energy is directly changed into linear movement output.If change the direction of power conversion, convert the output of electric energy to the mechanical energy input, then the device of gained namely is called generator, and common generator forms is the used single-phase or threephase alternator of electric power system.In addition, transducer can also design realization by intellectual material (smart material), common intellectual material such as piezoelectric (piezoelectric material), electroactive polymer (Electro-Active Polymer, EAP), marmem (Shape Memory Alloy, SMA), magnetostrictive material (Magnetostrictive Material), electrostriction material (Electrostrictive Material) etc.
Fig. 1 shows a kind of conventional energy conversion equipment, wherein transducer 10 often take piezoelectric as, such as single piezoelectric chip (unimorph), bimorph (bimorph) or multiple pressure electricity wafer (multimorph), utilize the characteristic of its inverse piezoelectric effect (Reverse Piezoelectric Effect) to convert the signal of telecommunication of inputting to mechanical movement output.General piezoelectric patches commonly used is shaped as rectangle or circle (being usually used in making the buzzing sheet), but also might present with other form, decides on practical situations.If as performance index, then optimum with multiple pressure electricity wafer with the strength size of output, bimorph time, and single piezoelectric chip is the poorest.If saw to become originally, then the price of piezoelectric chip becomes positive correlation with the number of plies that stacks of its piezoelectric, if therefore performance requirement is not high, considers normal operation list piezoelectric chip based on cost.
The shown structure of Fig. 1 is a traditional vibrations transfer device (Vibration PropagationDevice), by driving elasticity transducer 10, and the vibration energy of transducer 10 is delivered to upper shell 14 in order to produce sound wave (acoustic wave) or haptic feedback (haptic feedback) via stickers 12.Common traditional method is that transducer is fixed in upper shell 14 belows by modes such as stickup or lockings, and shock energy directly is passed to upper shell 14 by transducer 10.Right because the material of the general transducer 10 of commonly using, the amplitude of oscillation at its end points or edge and exert oneself limited, the vibration energy that causes it to transmit is limited, and this can cause the sense of touch reaction of haptic feedback not obvious, or make 14 sound press that can produce of upper shell (Sound Pressure Level, SPL) excessively low.
Because the defective that above-mentioned existing energy conversion module exists, the inventor is based on being engaged in for many years abundant practical experience and professional knowledge of this type of product design manufacturing, and the utilization of cooperation scientific principle, positive research and innovation in addition, in the hope of founding a kind of novel energy conversion module, in order to increase inertia strength, make it have more practicality.Through constantly research, design, and through after repeatedly studying sample and improvement, finally create the present invention who has practical value.
Summary of the invention
The object of the invention is to, a kind of energy conversion module is provided, it has preferably sound wave or haptic vibration effect than the conventional energy conversion equipment, maybe can improve the assembly program of energy conversion device.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of energy conversion module that the present invention proposes, it comprises: one first transducer directly or indirectly is arranged on one first flat board with first; Reach one second transducer, be arranged at the second point of this first transducer.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid energy conversion module, wherein this first and this second point are two end points of this first transducer.
Aforesaid energy conversion module, wherein this first is a non-end points of this first transducer, and this second point is an end points of this first transducer.
Aforesaid energy conversion module, wherein this first transducer has plane.
Aforesaid energy conversion module, wherein this first transducer has the curved surface shape.
Aforesaid energy conversion module, it more comprises one first supporter, is located between this first and this first flat board.
Aforesaid energy conversion module, it more comprises at least one mass, is arranged on this second transducer.
Aforesaid energy conversion module, wherein this mass is arranged at upper surface, lower surface or the side end edge of this second transducer.
Aforesaid energy conversion module, it more comprises: one second flat board; And one second supporter, its two end is coupled to respectively this first transducer and this second flat board.
Aforesaid energy conversion module, wherein this first flat board or this second flat board are screen, contact panel, framework (frame), substrate or housing (housing).
Aforesaid energy conversion module, wherein the employed intellectual material of this first transducer is piezoelectric, electroactive polymer (EAP), marmem (SMA) or magnetic shrink-down material.
Aforesaid energy conversion module, wherein this piezoelectric is lead zirconate titanate (PZT).
Aforesaid energy conversion module, wherein the employed intellectual material of this second transducer is piezoelectric, electroactive polymer (EAP), marmem (SMA), magnetic shrink-down material, voice coil motor (voice coil motor), off-axis rotating mass motor (ERM motor) or linear resonance actuator (LRA).
Aforesaid energy conversion module, wherein this first transducer or the second transducer comprise: a conductive layer; At least one the first intellectual material layer is formed at this conductive layer upper surface; And at least one the first electrode layer, be formed at this first intellectual material layer upper surface.
Aforesaid energy conversion module, wherein this conductive layer is a metallic plate.
Aforesaid energy conversion module, wherein this first transducer or the second transducer more comprise: at least one the second intellectual material layer is formed at the lower surface of this conductive layer; Reach at least one the second electrode lay, be formed at the lower surface of this second intellectual material layer.
The present invention compared with prior art has obvious advantage and beneficial effect.As known from the above, for achieving the above object, the invention provides a kind of energy conversion module, comprise the first transducer and the second transducer.Wherein, the first transducer directly or indirectly is arranged on the first flat board with first, and the second transducer is arranged at the second point of the first transducer.In one embodiment, more comprise at least one mass, be arranged on the second transducer.The embodiment of the invention can be vibrated the amplitude of oscillation in order to increase, promote the inertia force that transmits, or can be in order to adjust resonance mode (resonant mode).
By technique scheme, energy conversion module of the present invention has following advantages and beneficial effect at least: embodiments of the invention can vibrate the amplitude of oscillation in order to increase, promote the inertia force that transmits, or can be in order to adjust resonance mode (resonant mode).Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 shows the schematic diagram of conventional energy conversion equipment.
Fig. 2 A to Fig. 2 G shows the sectional view of the various energy conversion module of the embodiment of the invention.
Fig. 3 A to Fig. 3 C shows the sectional view of the various energy conversion module of the embodiment of the invention.
Fig. 4 A shows a kind of detailed sectional view of the first/the second transducer.
Fig. 4 B shows the detailed sectional view of another kind of the first/the second transducer.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of energy conversion module, structure, feature and effect thereof to foundation the present invention proposes are described in detail as follows.
Fig. 2 A shows the sectional view of the energy conversion module (transducer module) of the embodiment of the invention.In the present embodiment, energy conversion module is in order to converting electrical energy into mechanical energy, but not as limit.The energy conversion module of present embodiment mainly comprises the first transducer (transducer is denoted as P) the 21 and second transducer (being denoted as P ') 23.Wherein, the first transducer 21 is arranged on the first dull and stereotyped 25A with first 21A, and 23 of the second transducers are arranged at the second point 21B of the first transducer 21.Also can use insulating part (be not shown in graphic in) to be separated between the first transducer 21 and the second transducer 23.
The first transducer 21 tools shown in Fig. 2 A are plane; But, also can have other shapes.For example, Fig. 2 B shows the sectional view of another energy conversion module, and its first transducer 21 has the curved surface shape.First 21A and the second point 21B of above-mentioned the first transducer 21 are its two end points, but are not limited to this.For example, Fig. 2 C shows the sectional view of another energy conversion module, and its first 21A with non-end points is arranged on the first dull and stereotyped 25A.Fig. 2 D shows the sectional view of another energy conversion module, and its first transducer 21 is arranged on the first dull and stereotyped 25A as first 21A with non-end points (for example mid point), and is provided with at least one second transducer 23 at its at least one end points.
The first transducer 21 of Fig. 2 A directly is arranged on the first dull and stereotyped 25A with first 21A, yet, also can indirectly be arranged on the first dull and stereotyped 25A by the first supporter 27A, shown in Fig. 2 E.In other words, two ends of the first supporter 27A are coupled to respectively the first dull and stereotyped 25A and the first transducer 21.Similar situation, the first transducer 21 of Fig. 2 D directly is arranged on the first dull and stereotyped 25A with first 21A of non-end points (for example mid point); Yet, also can indirectly be arranged on the first dull and stereotyped 25A by the first supporter 27A, shown in Fig. 2 F.No matter the first transducer 21 is that first 21A with end points indirectly is arranged at the first dull and stereotyped 25A upper (the 2nd E figure) or is arranged at the first dull and stereotyped 25A with first 21A of non-end points and go up (Fig. 2 F), the embodiment of the invention also can comprise the second supporter 27B and the second dull and stereotyped 25B, shown in Fig. 2 G, two ends of the second supporter 27B are coupled to respectively the first transducer 21 and the second dull and stereotyped 25B.
Above-mentioned various energy conversion module also can arrange at least one mass (being denoted as M) 29 at the second transducer 23.Below explanation will be take framework shown in Fig. 2 A as example, yet Fig. 2 B to Fig. 2 G is applicable too.Fig. 3 A shows the sectional view of the energy conversion module of the embodiment of the invention, and mass 29 is arranged at the upper surface of the second transducer 23.Fig. 3 B shows the sectional view of another energy conversion module of the present invention, and its mass 29 is arranged at the lower surface of the second transducer 23.Fig. 3 C shows the sectional view of the another energy conversion module of the present invention, and its mass 29 is arranged at the side end edge of the second transducer 23.
According to the various energy conversion module shown in above-mentioned Fig. 2 A-Fig. 2 G and Fig. 3 A-Fig. 3 C, when the first transducer 21 is subject to the electric energy driving, can produce vibration and inertia strength, through passing to the first dull and stereotyped 25A, make the first dull and stereotyped 25A vibration and promote air, thereby produce sound wave (acoustic wave) or produce haptic feedback (haptic feedback).When the first transducer 21 is subject to the electric energy driving, can select again to drive the second transducer 23 to produce larger vibration and inertia strength, pass to the first dull and stereotyped 25A, thereby produce stronger sound wave or produce stronger haptic feedback; Or the selectivity that can adjust in order to increase mode of oscillation (resonant mode); Perhaps increase the amplitude of oscillation at the first transducer 21 two ends, and then increase the inertia force that transmits.When the first transducer 21, the second transducer 23 were subject to electric energy and drive, choice for use mass 29 to be increasing the inertia mass of the second transducer 23 again, or can be in order to adjust mode of oscillation.Compared to conventional energy conversion equipment shown in Figure 1, present embodiment has preferably sound wave or haptic vibration effect.Each composition important document of various energy conversion module shown in Fig. 2 A-Fig. 2 G and Fig. 3 A-Fig. 3 C below will be described in detail in detail.
In the present embodiment, partly or entirely form important document and can be fabricated to the module kenel, in order to rapid-assembling.For example, the first transducer 21 and the second transducer 23 are fabricated to module, perhaps the first transducer 21, the second transducer 23 and mass 29 are fabricated to module, even the first supporter 27A, the second supporter 27B, the first dull and stereotyped 25A and/or the second dull and stereotyped 25B also can be fabricated to module with other composition important documents.Each forms that set-up mode between important document can use one-body molded, cementation, locking, Luo is solid or other technologies present embodiment.The first dull and stereotyped 25A or the second dull and stereotyped 25B can be screen, contact panel, framework (frame), substrate or housing (housing).The first supporter 27A or the second supporter 27B can be hollow or solid, and shape can be tubular, column or other shapes, and number can be for one or more than one.Mass 29 can use the various materials of various shapes, for example high density material (for example metal) or high young's modulus (Young ' s modulus) material (for example zirconia).
In the present embodiment, the first transducer 21 employed intellectual materials can be piezoelectricity (piezoelectric) material (lead zirconate titanate (lead zirconate titanate for example, PZT)), electroactive polymer (electroactive polymer, EAP), marmem (shape memory alloy, but be not limited to this SMA) or magnetic shrink-down material (magnetostrictive material).The material of the second transducer 23 can be used the material of the first transducer 21, perhaps use voice coil motor (voice coil motor), off-axis rotating mass motor (eccentric rotating mass (ERM) motor) or linear resonance actuator (linear resonant actuator, LRA).
Fig. 4 A shows the detailed sectional view of a kind of the first transducer 21 or the second transducer 23.Take the second transducer 23 as example, it comprises conductive layer 230, the first intellectual material layer 231A and the first electrode layer 232A.Wherein, the first intellectual material layer 231A is formed at conductive layer 230 upper surfaces, is coated with the first electrode layer 232A at the first intellectual material layer 231A upper surface again.Conductive layer 230 and the first electrode layer 232A are respectively as two required electrodes of driving the first intellectual material layer 231A, and this conductive layer 230 is implemented upper a kind of layer material (such as electrode layer) or board-like material (such as metallic plate) for conducting electricity that be; When conductive layer 230 is metallic plate, can increases robustness, the durability of the second transducer 23, and can increase inertia strength, to produce sound wave or haptic feedback.The second transducer 23 of Fig. 4 A uses the first intellectual material layer 231A of individual layer, and therefore a highest wisdom adopts piezoelectric, is called single piezoelectric chip (unimorph).In addition, on the implementation, the second transducer 23 can adopt two or multilayer the first intellectual material layer 231A, with form existing known many/lamination (multi-layers) piezoelectric chip.
Fig. 4 B shows the detailed sectional view of another kind of the first transducer 21 or the second transducer 23.Take the second transducer 23 as example, it comprises conductive layer 230, the first intellectual material layer 231A, the first electrode layer 232A, the second intellectual material layer 231B and the second electrode lay 232B.Wherein, the first intellectual material layer 231A is formed at the upper surface of conductive layer 230, is coated with the first electrode layer 232A at the first intellectual material layer 231A upper surface again.The second intellectual material layer 231B is formed at the lower surface of conductive layer 230, again in the lower surface coating the second electrode lay 232B of the second intellectual material layer 231B.Conductive layer 230 is as the common electrode of the first/the second intellectual material layer 231A/B, and first/the second electrode lay 232A/B is respectively as driving the required electrode of the first/the second intellectual material layer 231A/B.The second transducer 23 of Fig. 4 B uses the first/the second double-deck intellectual material layer 231A/B, and therefore a highest wisdom adopts piezoelectric, is called bimorph (bimorph).In addition, on the implementation, at least one side of the second transducer 23 can adopt two or multilayer the first intellectual material layer 231A, with form known many/lamination (multi-layers) piezoelectric chip.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (16)
1. energy conversion module is characterized in that it comprises:
One first transducer directly or indirectly is arranged on one first flat board with first; And
One second transducer is arranged at the second point of this first transducer.
2. energy conversion module according to claim 1 is characterized in that wherein and this second point are two end points of this first transducer at this first.
3. energy conversion module according to claim 1 it is characterized in that wherein be a non-end points of this first transducer at this first, and this second point is an end points of this first transducer.
4. energy conversion module according to claim 1 is characterized in that wherein this first transducer has plane.
5. energy conversion module according to claim 1 is characterized in that wherein this first transducer has the curved surface shape.
6. energy conversion module according to claim 1 is characterized in that it more comprises one first supporter, is located between this first and this first flat board.
7. energy conversion module according to claim 1 is characterized in that it more comprises at least one mass, is arranged on this second transducer.
8. energy conversion module according to claim 7 is characterized in that this mass wherein is arranged at upper surface, lower surface or the side end edge of this second transducer.
9. energy conversion module according to claim 6 is characterized in that it more comprises:
One second flat board; And
One second supporter, its two end are coupled to respectively this first transducer and this second flat board.
10. energy conversion module according to claim 9, it is characterized in that wherein this first dull and stereotyped or this second dull and stereotypedly be screen, contact panel, framework, substrate or housing.
11. energy conversion module according to claim 1 is characterized in that wherein the employed intellectual material of this first transducer is piezoelectric, electroactive polymer, marmem or magnetic shrink-down material.
12. energy conversion module according to claim 11 is characterized in that wherein this piezoelectric is lead zirconate titanate.
13. energy conversion module according to claim 1 is characterized in that wherein the employed intellectual material of this second transducer is piezoelectric, electroactive polymer, marmem, magnetic shrink-down material, voice coil motor, off-axis rotating mass motor or linear resonance actuator.
14. energy conversion module according to claim 1 is characterized in that wherein this first transducer or the second transducer comprise:
One conductive layer;
At least one the first intellectual material layer is formed at this conductive layer upper surface; And
At least one the first electrode layer is formed at this first intellectual material layer upper surface.
15. energy conversion module according to claim 14 is characterized in that wherein this conductive layer is a metallic plate.
16. energy conversion module according to claim 14 is characterized in that wherein this first transducer or the second transducer more comprise:
At least one the second intellectual material layer is formed at the lower surface of this conductive layer; And
At least one the second electrode lay is formed at the lower surface of this second intellectual material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102300187A CN102931868A (en) | 2011-08-08 | 2011-08-08 | Energy conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102300187A CN102931868A (en) | 2011-08-08 | 2011-08-08 | Energy conversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102931868A true CN102931868A (en) | 2013-02-13 |
Family
ID=47646600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102300187A Pending CN102931868A (en) | 2011-08-08 | 2011-08-08 | Energy conversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102931868A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6069433A (en) * | 1994-01-27 | 2000-05-30 | Active Control Experts, Inc. | Packaged strain actuator |
| US6359371B1 (en) * | 1998-03-20 | 2002-03-19 | Active Control Experts, Inc. | Inertial/audio unit and construction |
| US20050023937A1 (en) * | 2003-07-24 | 2005-02-03 | Norikazu Sashida | Piezoelectric vibrator |
-
2011
- 2011-08-08 CN CN2011102300187A patent/CN102931868A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6069433A (en) * | 1994-01-27 | 2000-05-30 | Active Control Experts, Inc. | Packaged strain actuator |
| US6359371B1 (en) * | 1998-03-20 | 2002-03-19 | Active Control Experts, Inc. | Inertial/audio unit and construction |
| US20050023937A1 (en) * | 2003-07-24 | 2005-02-03 | Norikazu Sashida | Piezoelectric vibrator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201308866A (en) | Transducer module | |
| KR101216892B1 (en) | Piezoelectric actuator actuating haptic device | |
| CN103000801A (en) | Energy converter and energy conversion module | |
| CN101764532B (en) | Piezoelectric giant magnetostrictive combined wideband vibration energy collector | |
| KR20110077637A (en) | Piezoelectric actuator actuating haptic device | |
| CN103155590A (en) | Oscillator and portable device | |
| JP2006121648A (en) | Piezoelectric acoustic element and piezoelectric acoustic generating device | |
| US20130177182A1 (en) | Vibration speaker | |
| CN110661450B (en) | Piezoelectric vibrator with non-linear differential geometric characteristics | |
| TW201308865A (en) | Transducer module | |
| CN104054356B (en) | Sound generator, sound generation device and electronic equipment | |
| JPWO2014045719A1 (en) | SOUND GENERATOR, SOUND GENERATOR, AND ELECTRONIC DEVICE | |
| CN102931868A (en) | Energy conversion module | |
| CN102946579B (en) | Vibration material, virtual haptic maker, touch module and vibrating diaphragm | |
| EP2613560A1 (en) | Vibration Speaker | |
| CN102932717A (en) | Energy conversion module | |
| EP2908554A1 (en) | Oscillator and electronic device | |
| CN110213704B (en) | Vibration generating device and electronic apparatus | |
| US20130101145A1 (en) | Transducer module | |
| CN102833657A (en) | Energy conversion module | |
| JP2013004071A (en) | Energy conversion module | |
| CN219536760U (en) | Laminated piezoelectric vibrator | |
| CN102271302A (en) | Piezoelectric loudspeaker | |
| JP2017118424A (en) | Acoustic generator, acoustic generation device and electronic apparatus | |
| JP2012217040A (en) | Oscillation device and portable terminal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |